/* roulang page: index */
/* ========== Design Variables ========== */
:root {
  --jy-primary: #0C7A6D;
  --jy-primary-dark: #0A6359;
  --jy-primary-light: #E0F0ED;
  --jy-accent: #E87A2B;
  --jy-accent-light: #FDF0E6;
  --jy-accent-dark: #C96A20;
  --jy-bg: #F7F5F0;
  --jy-bg-white: #FFFFFF;
  --jy-text: #2D2A26;
  --jy-muted: #6E6A63;
  --jy-line: #E5E0D8;
  --jy-dark: #19332E;
  --jy-dark-2: #142722;
  --jy-radius: 14px;
  --jy-radius-sm: 8px;
  --jy-shadow: 0 4px 16px rgba(50, 42, 30, 0.06);
  --jy-shadow-lg: 0 12px 36px rgba(50, 42, 30, 0.14);
  --jy-transition: 0.25s ease;
  --jy-spacing-section: 90px;
  --jy-max-width: 1200px;
}

/* ========== Reset & Base ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Inter", Arial, sans-serif;
  background: var(--jy-bg);
  color: var(--jy-text);
  line-height: 1.8;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--jy-primary); text-decoration: none; transition: color var(--jy-transition); }
a:hover { color: var(--jy-primary-dark); }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; }

/* ========== Layout Container ========== */
.jy-container {
  max-width: var(--jy-max-width);
  margin: 0 auto;
  padding: 0 24px;
}
.jy-section { padding: var(--jy-spacing-section) 0; }
.jy-section-white { background: var(--jy-bg-white); }
.jy-section-tint { background: var(--jy-bg); }

/* ========== Buttons ========== */
.jy-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 46px;
  padding: 0 28px;
  border-radius: var(--jy-radius-sm);
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  transition: background var(--jy-transition), color var(--jy-transition), transform var(--jy-transition), box-shadow var(--jy-transition);
  white-space: nowrap;
  -webkit-appearance: none;
  appearance: none;
}
.jy-btn:active { transform: scale(0.98); }
.jy-btn-primary {
  background: var(--jy-primary);
  color: #fff;
  border: 2px solid var(--jy-primary);
}
.jy-btn-primary:hover { background: var(--jy-primary-dark); border-color: var(--jy-primary-dark); color: #fff; }
.jy-btn-accent {
  background: var(--jy-accent);
  color: #fff;
  border: 2px solid var(--jy-accent);
}
.jy-btn-accent:hover { background: var(--jy-accent-dark); border-color: var(--jy-accent-dark); color: #fff; }
.jy-btn-outline {
  background: transparent;
  color: var(--jy-text);
  border: 1px solid #251D15;
}
.jy-btn-outline:hover { background: rgba(12, 122, 109, 0.06); border-color: var(--jy-primary); color: var(--jy-primary); }
.jy-btn-sm { height: 38px; padding: 0 18px; font-size: 14px; }
.jy-btn-lg { height: 50px; padding: 0 32px; font-size: 16px; }
.jy-btn-full { width: 100%; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible {
  outline: 2px solid var(--jy-accent);
  outline-offset: 2px;
}

/* ========== Badge & Tags ========== */
.jy-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  background: var(--jy-primary-light);
  color: var(--jy-primary-dark);
  white-space: nowrap;
}
.jy-badge-accent {
  background: var(--jy-accent-light);
  color: #8A4B18;
}

/* ========== Header & Navigation ========== */
.jy-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  height: 72px;
}
.jy-nav {
  max-width: var(--jy-max-width);
  height: 72px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}
.jy-logo {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: baseline;
  gap: 5px;
  text-decoration: none;
  white-space: nowrap;
  z-index: 2;
}
.jy-logo-main {
  font-size: 1.55rem;
  font-weight: 800;
  color: var(--jy-primary);
  letter-spacing: 1px;
}
.jy-logo-sub {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--jy-accent);
  background: var(--jy-accent-light);
  padding: 2px 8px;
  border-radius: 999px;
  letter-spacing: 0.5px;
}
.jy-nav-group {
  display: flex;
  align-items: center;
  gap: 28px;
}
.jy-nav-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--jy-text);
  text-decoration: none;
  position: relative;
  padding: 4px 2px;
  transition: color var(--jy-transition);
}
.jy-nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--jy-accent);
  transition: width 0.3s ease;
  border-radius: 2px;
}
.jy-nav-link:hover { color: var(--jy-primary); }
.jy-nav-link:hover::after { width: 100%; }
.jy-nav-link.active { color: var(--jy-primary); }
.jy-nav-link.active::after { width: 100%; background: var(--jy-primary); }
.jy-nav-cta { display: flex; align-items: center; gap: 12px; }
.jy-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  transition: background var(--jy-transition);
}
.jy-hamburger:hover { background: var(--jy-primary-light); }
.jy-hamburger .bar {
  width: 22px;
  height: 2px;
  background: var(--jy-text);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.jy-mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--jy-bg);
  z-index: 1500;
  padding: 80px 32px 32px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  overflow-y: auto;
}
.jy-mobile-menu.active { transform: translateX(0); }
.jy-mobile-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 24px;
  color: var(--jy-text);
  background: var(--jy-bg-white);
  box-shadow: var(--jy-shadow);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--jy-transition);
}
.jy-mobile-close:hover { background: var(--jy-primary-light); }
.jy-mobile-link {
  font-size: 20px;
  font-weight: 600;
  color: var(--jy-text);
  padding: 12px 8px;
  border-bottom: 1px solid var(--jy-line);
  text-decoration: none;
  transition: color var(--jy-transition), padding-left var(--jy-transition);
}
.jy-mobile-link:hover { color: var(--jy-primary); padding-left: 16px; }
.jy-mobile-cta { margin-top: 24px; }

/* ========== Hero ========== */
.jy-hero {
  padding: 140px 0 80px;
  background: var(--jy-bg);
  position: relative;
  overflow: hidden;
}
.jy-hero::before {
  content: "";
  position: absolute;
  top: -120px;
  right: -100px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  border: 60px solid rgba(12, 122, 109, 0.05);
  pointer-events: none;
}
.jy-hero::after {
  content: "";
  position: absolute;
  bottom: -80px;
  left: -60px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(232, 122, 43, 0.04);
  pointer-events: none;
}
.jy-hero-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
}
.jy-hero-left { padding-right: 24px; }
.jy-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--jy-primary-light);
  color: var(--jy-primary-dark);
  border-radius: 999px;
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 24px;
}
.jy-hero-badge i { font-size: 14px; }
.jy-hero-title {
  font-size: 52px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--jy-text);
  margin-bottom: 20px;
  letter-spacing: 1px;
}
.jy-hero-subtitle {
  font-size: 17px;
  color: var(--jy-muted);
  line-height: 1.8;
  margin-bottom: 32px;
  max-width: 520px;
}
.jy-hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.jy-hero-trust {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  font-size: 14px;
  color: var(--jy-muted);
}
.jy-hero-trust span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.jy-hero-trust i { color: var(--jy-primary); font-size: 15px; }
.jy-hero-right { position: relative; }
.jy-hero-img-wrap {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.6);
  box-shadow: var(--jy-shadow-lg);
  background: var(--jy-bg-white);
  aspect-ratio: 4 / 3;
}
.jy-hero-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.jy-hero-stat {
  position: absolute;
  bottom: 20px;
  right: 20px;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 12px;
  box-shadow: var(--jy-shadow-lg);
  padding: 14px 20px;
  backdrop-filter: blur(4px);
  text-align: center;
}
.jy-hero-stat-num {
  font-size: 24px;
  font-weight: 800;
  color: var(--jy-primary);
  line-height: 1.2;
}
.jy-hero-stat-label {
  font-size: 12px;
  color: var(--jy-muted);
  margin-top: 4px;
}

/* ========== Pain Points ========== */
.jy-pain {
  padding: 48px 0;
  background: var(--jy-bg);
  border-bottom: 1px solid var(--jy-line);
}
.jy-pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}
.jy-pain-item {
  text-align: center;
  padding: 24px 32px;
  position: relative;
}
.jy-pain-item:not(:last-child)::after {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 60%;
  background: var(--jy-line);
}
.jy-pain-item h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--jy-text);
  margin-bottom: 8px;
  transition: color var(--jy-transition);
}
.jy-pain-item:hover h3 { color: var(--jy-primary); }
.jy-pain-item p {
  font-size: 15px;
  color: var(--jy-muted);
  margin: 0;
}
.jy-pain-item i {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--jy-line);
  font-size: 20px;
  transition: color var(--jy-transition);
}
.jy-pain-item:hover i { color: var(--jy-accent); }

/* ========== Solution Cards ========== */
.jy-solutions { background: var(--jy-bg-white); }
.jy-section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 48px;
  gap: 24px;
  flex-wrap: wrap;
}
.jy-section-head h2 {
  font-size: 34px;
  font-weight: 700;
  color: var(--jy-text);
  line-height: 1.3;
}
.jy-section-head h2 span { color: var(--jy-primary); }
.jy-section-head p {
  font-size: 15px;
  color: var(--jy-muted);
  max-width: 400px;
}
.jy-solutions-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.jy-solution-card {
  background: var(--jy-bg-white);
  border-radius: var(--jy-radius);
  padding: 32px;
  box-shadow: var(--jy-shadow);
  transition: transform var(--jy-transition), box-shadow var(--jy-transition);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.jy-solution-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--jy-shadow-lg);
}
.jy-solution-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--jy-primary-light);
  color: var(--jy-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 8px;
}
.jy-solution-card h3 {
  font-size: 19px;
  font-weight: 600;
  color: var(--jy-text);
}
.jy-solution-card p {
  font-size: 15px;
  color: var(--jy-muted);
  line-height: 1.7;
  margin: 0;
}
.jy-solution-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--jy-primary);
  text-decoration: none;
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--jy-transition);
}
.jy-solution-link:hover { gap: 8px; color: var(--jy-primary-dark); }

/* ========== Stats ========== */
.jy-stats {
  background: var(--jy-dark);
  padding: 64px 0;
  position: relative;
  overflow: hidden;
}
.jy-stats::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--jy-primary), var(--jy-accent), var(--jy-primary));
}
.jy-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.jy-stat-item {
  text-align: center;
  padding: 20px 16px;
  position: relative;
}
.jy-stat-item:not(:last-child)::after {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 70%;
  background: rgba(255, 255, 255, 0.15);
}
.jy-stat-num {
  font-size: 36px;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  letter-spacing: 1px;
}
.jy-stat-label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 6px;
}

/* ========== News Section ========== */
.jy-news { background: var(--jy-bg); }
.jy-news .jy-section-head { margin-bottom: 32px; }
.jy-news-more {
  font-size: 14px;
  font-weight: 600;
  color: var(--jy-primary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--jy-transition);
}
.jy-news-more:hover { gap: 10px; }
.jy-news-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.jy-news-item {
  background: var(--jy-bg-white);
  border-radius: 12px;
  box-shadow: var(--jy-shadow);
  overflow: hidden;
  transition: transform var(--jy-transition), box-shadow var(--jy-transition);
}
.jy-news-item:hover { transform: translateY(-3px); box-shadow: var(--jy-shadow-lg); }
.jy-news-link {
  display: flex;
  gap: 0;
  text-decoration: none;
  color: inherit;
  min-height: 120px;
}
.jy-news-thumb {
  width: 128px;
  flex-shrink: 0;
  background: var(--jy-primary-light);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.jy-news-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.jy-news-item:hover .jy-news-thumb img { transform: scale(1.05); }
.jy-news-thumb .fa-file {
  font-size: 32px;
  color: var(--jy-primary);
  opacity: 0.4;
}
.jy-news-content {
  padding: 18px 22px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  flex: 1;
  min-width: 0;
}
.jy-news-content h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--jy-text);
  margin-bottom: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.jy-news-content p {
  font-size: 14px;
  color: var(--jy-muted);
  line-height: 1.6;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.jy-news-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--jy-muted);
}
.jy-news-date { display: inline-flex; align-items: center; gap: 4px; }
.jy-news-date i { font-size: 12px; }
.jy-empty-state {
  background: var(--jy-bg-white);
  border-radius: 12px;
  padding: 48px 24px;
  text-align: center;
  color: #9B958C;
  font-size: 14px;
  box-shadow: var(--jy-shadow);
}
.jy-empty-state i {
  font-size: 40px;
  display: block;
  margin-bottom: 12px;
  color: var(--jy-line);
}
.jy-empty-state p { margin: 0; }
.jy-cat-sidebar {
  background: var(--jy-bg-white);
  border-radius: var(--jy-radius);
  padding: 28px;
  box-shadow: var(--jy-shadow);
}
.jy-cat-sidebar h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--jy-text);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--jy-line);
}
.jy-cat-link {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 48px;
  padding: 0 16px;
  background: var(--jy-bg-white);
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  color: var(--jy-text);
  text-decoration: none;
  margin-bottom: 8px;
  transition: background var(--jy-transition), box-shadow var(--jy-transition);
  position: relative;
  overflow: hidden;
}
.jy-cat-link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--jy-primary);
  border-radius: 0 4px 4px 0;
  transition: width var(--jy-transition);
}
.jy-cat-link:hover {
  background: var(--jy-primary-light);
  box-shadow: var(--jy-shadow);
}
.jy-cat-link:hover::before { width: 8px; }
.jy-cat-link i { color: var(--jy-primary); font-size: 16px; }

/* ========== FAQ ========== */
.jy-faq { background: var(--jy-bg-white); }
.jy-faq .row .columns { padding: 0 24px; }
.jy-faq-left h2 {
  font-size: 34px;
  font-weight: 700;
  color: var(--jy-text);
  margin-bottom: 12px;
}
.jy-faq-left p {
  font-size: 15px;
  color: var(--jy-muted);
  max-width: 280px;
}
.jy-faq-list { display: flex; flex-direction: column; }
.jy-faq-item {
  border-bottom: 1px solid var(--jy-line);
  padding: 20px 0;
}
.jy-faq-item summary {
  font-size: 16px;
  font-weight: 600;
  color: var(--jy-text);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  transition: color var(--jy-transition);
  outline: none;
}
.jy-faq-item summary::-webkit-details-marker { display: none; }
.jy-faq-item summary::after {
  content: "\f078";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 14px;
  color: var(--jy-muted);
  transition: transform 0.3s ease, color var(--jy-transition);
  flex-shrink: 0;
}
.jy-faq-item[open] summary { color: var(--jy-primary); }
.jy-faq-item[open] summary::after { transform: rotate(180deg); color: var(--jy-primary); }
.jy-faq-answer {
  font-size: 15px;
  color: var(--jy-muted);
  line-height: 1.7;
  padding: 12px 0 4px;
  border-left: 2px solid var(--jy-primary);
  padding-left: 16px;
  margin-top: 8px;
}

/* ========== CTA Banner ========== */
.jy-cta {
  padding: 72px 0;
  background: var(--jy-bg);
}
.jy-cta-inner {
  background: var(--jy-accent-light);
  border-radius: 16px;
  padding: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.jy-cta-left h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--jy-text);
  margin-bottom: 8px;
}
.jy-cta-left p {
  font-size: 15px;
  color: var(--jy-muted);
  margin: 0;
}
.jy-cta-right {
  flex-shrink: 0;
}
.jy-privacy-note {
  font-size: 12px;
  color: var(--jy-muted);
  text-align: center;
  margin-top: 16px;
}

/* ========== Footer ========== */
.jy-footer {
  background: var(--jy-dark);
  color: rgba(255, 255, 255, 0.75);
  padding: 64px 0 0;
}
.jy-footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
}
.jy-footer-logo {
  font-size: 1.4rem;
  font-weight: 800;
  color: #fff;
  display: flex;
  align-items: baseline;
  gap: 5px;
  margin-bottom: 16px;
}
.jy-footer-logo .sub {
  font-size: 0.8rem;
  color: var(--jy-accent);
  font-weight: 600;
}
.jy-footer-desc {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.7;
  max-width: 320px;
}
.jy-footer-col h4 {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
}
.jy-footer-col ul { list-style: none; }
.jy-footer-col li { margin-bottom: 10px; }
.jy-footer-col a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  text-decoration: none;
  transition: color var(--jy-transition), padding-left var(--jy-transition);
}
.jy-footer-col a:hover { color: #fff; padding-left: 4px; }
.jy-footer-col p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 8px;
}
.jy-footer-col p i { margin-right: 6px; color: var(--jy-accent); }
.jy-footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 24px;
  text-align: center;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.45);
}
.jy-footer-bottom p { margin: 0 0 4px; }
.jy-footer-bottom .icp-placeholder {
  color: rgba(255, 255, 255, 0.3);
  font-size: 11px;
}

/* ========== Modal ========== */
.jy-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(30, 30, 30, 0.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
}
.jy-modal.active { display: flex; }
.jy-modal-dialog {
  background: var(--jy-bg-white);
  border-radius: 16px;
  width: 560px;
  max-width: 92vw;
  max-height: 90vh;
  overflow-y: auto;
  padding: 40px;
  box-shadow: 0 16px 48px rgba(30, 30, 30, 0.25);
  position: relative;
}
.jy-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--jy-bg);
  color: var(--jy-muted);
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--jy-transition), color var(--jy-transition);
}
.jy-modal-close:hover { background: var(--jy-primary-light); color: var(--jy-primary); }
.jy-modal-dialog h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--jy-text);
  margin-bottom: 6px;
}
.jy-modal-dialog > p {
  font-size: 14px;
  color: var(--jy-muted);
  margin-bottom: 24px;
}
.jy-form-group { margin-bottom: 20px; }
.jy-form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--jy-text);
  margin-bottom: 8px;
}
.jy-form-input {
  width: 100%;
  height: 46px;
  border: 1px solid #D8D2C8;
  border-radius: 8px;
  padding: 0 14px;
  font-size: 15px;
  color: var(--jy-text);
  background: var(--jy-bg-white);
  transition: border-color var(--jy-transition), box-shadow var(--jy-transition);
}
.jy-form-input:focus {
  border-color: var(--jy-primary);
  box-shadow: 0 0 0 3px rgba(12, 122, 109, 0.15);
  outline: none;
}
.jy-form-input::placeholder { color: #B0A9A0; }
.jy-verify-wrap { display: flex; gap: 10px; }
.jy-verify-wrap .jy-form-input { flex: 1; }
.jy-verify-btn {
  height: 46px;
  padding: 0 16px;
  border: 1px solid var(--jy-primary);
  border-radius: 8px;
  background: transparent;
  color: var(--jy-primary);
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  transition: background var(--jy-transition), color var(--jy-transition);
}
.jy-verify-btn:hover { background: var(--jy-primary-light); }
.jy-verify-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.jy-form-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 16px 0;
  font-size: 13px;
  color: var(--jy-muted);
}
.jy-form-check input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--jy-primary);
  flex-shrink: 0;
}
.jy-form-check a { color: var(--jy-primary); font-weight: 500; }

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  :root { --jy-spacing-section: 70px; }
  .jy-nav-group { gap: 18px; }
  .jy-nav-link { font-size: 14px; }
  .jy-hero-title { font-size: 40px; }
  .jy-hero-stat-num { font-size: 20px; }
  .jy-pain-item h3 { font-size: 18px; }
  .jy-pain-item { padding: 20px; }
  .jy-section-head h2 { font-size: 28px; }
}

@media (max-width: 768px) {
  :root { --jy-spacing-section: 60px; }
  body { font-size: 15px; }
  .jy-desktop-nav { display: none; }
  .jy-hamburger { display: flex; }
  .jy-header { height: 64px; }
  .jy-nav { height: 64px; padding: 0 16px; }
  .jy-logo { position: static; transform: none; margin-right: auto; }
  .jy-logo-main { font-size: 1.35rem; }
  .jy-logo-sub { font-size: 0.75rem; }
  .jy-hero { padding: 120px 0 48px; }
  .jy-hero-title { font-size: 34px; }
  .jy-hero-subtitle { font-size: 16px; }
  .jy-hero-left { padding-right: 0; margin-bottom: 32px; }
  .jy-hero-img-wrap { aspect-ratio: 16 / 10; }
  .jy-hero-stat { bottom: 12px; right: 12px; padding: 10px 16px; }
  .jy-hero-stat-num { font-size: 18px; }
  .jy-hero-trust { gap: 12px; }
  .jy-pain-grid { grid-template-columns: 1fr; }
  .jy-pain-item {
    padding: 16px 24px;
    border-bottom: 1px solid var(--jy-line);
  }
  .jy-pain-item:not(:last-child)::after { display: none; }
  .jy-pain-item i { display: none; }
  .jy-solutions-grid { grid-template-columns: 1fr; }
  .jy-stats-grid { grid-template-columns: 1fr 1fr; }
  .jy-stat-item:nth-child(2)::after { display: none; }
  .jy-stat-item { padding: 16px; }
  .jy-stat-num { font-size: 28px; }
  .jy-section-head { flex-direction: column; align-items: flex-start; gap: 12px; }
  .jy-section-head h2 { font-size: 26px; }
  .jy-news-link { flex-direction: column; }
  .jy-news-thumb { width: 100%; height: 160px; }
  .jy-faq .row .columns { padding: 0 16px; }
  .jy-faq-left { margin-bottom: 24px; }
  .jy-faq-left p { max-width: none; }
  .jy-cta-inner { padding: 32px 24px; flex-direction: column; text-align: center; }
  .jy-cta-right .jy-btn { width: 100%; }
  .jy-footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .jy-footer-col p { max-width: 100%; }
  .jy-modal-dialog { padding: 28px 20px; }
  .jy-verify-wrap { flex-direction: column; }
  .jy-verify-btn { width: 100%; }
}

@media (max-width: 520px) {
  :root { --jy-spacing-section: 48px; }
  .jy-hero-title { font-size: 28px; }
  .jy-hero-subtitle { font-size: 15px; }
  .jy-hero-cta { flex-direction: column; }
  .jy-hero-cta .jy-btn { width: 100%; }
  .jy-hero-trust { flex-direction: column; gap: 8px; }
  .jy-hero-trust span { font-size: 13px; }
  .jy-stats-grid { gap: 8px; }
  .jy-stat-num { font-size: 24px; }
  .jy-stat-label { font-size: 12px; }
  .jy-news-content p { -webkit-line-clamp: 3; }
  .jy-news-thumb { height: 120px; }
  .jy-cta-left h2 { font-size: 20px; }
  .jy-cta-left p { font-size: 14px; }
  .jy-modal-dialog h2 { font-size: 20px; }
}

/* roulang page: category1 */
:root {
  --jy-primary: #0C7A6D;
  --jy-primary-dark: #095C52;
  --jy-primary-light: #E6F4F1;
  --jy-accent: #E87A2B;
  --jy-accent-light: #FEF0E6;
  --jy-bg: #F7F5F0;
  --jy-white: #FFFFFF;
  --jy-text: #2D2A26;
  --jy-muted: #6E6A63;
  --jy-line: #E5E0D8;
  --jy-dark: #19332E;
  --jy-radius: 14px;
  --jy-shadow: 0 4px 16px rgba(50,42,30,0.06);
  --jy-shadow-hover: 0 12px 36px rgba(50,42,30,0.14);
  --jy-transition: 0.25s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 16px; line-height: 1.8; color: var(--jy-text); background: var(--jy-bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--jy-primary); text-decoration: none; transition: color var(--jy-transition); }
a:hover { color: var(--jy-primary-dark); }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; }

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

/* ===== Header ===== */
.jy-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--jy-white);
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  height: 72px;
}
.jy-nav {
  max-width: 1280px; height: 72px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
  position: relative;
}
.jy-logo {
  position: absolute; left: 50%; transform: translateX(-50%);
  display: flex; align-items: baseline; gap: 2px;
  line-height: 1.2; z-index: 2;
}
.jy-logo-main {
  font-size: 1.6rem; font-weight: 800; color: var(--jy-primary);
  letter-spacing: 0.5px;
}
.jy-logo-sub {
  font-size: 0.85rem; font-weight: 600; color: var(--jy-accent);
  background: var(--jy-accent-light); border-radius: 999px; padding: 2px 10px;
}
.jy-nav-group { display: flex; align-items: center; flex: 1; }
.jy-nav-link {
  font-size: 15px; font-weight: 600; color: var(--jy-text);
  padding: 8px 16px; position: relative; white-space: nowrap;
}
.jy-nav-link::after {
  content: ""; position: absolute; left: 16px; right: 100%; bottom: 2px;
  height: 2px; background: var(--jy-accent); transition: right 0.3s ease;
}
.jy-nav-link:hover::after, .jy-nav-link.active::after { right: 16px; }
.jy-nav-link:hover { color: var(--jy-primary); }
.jy-nav-link.active { color: var(--jy-primary); }
.jy-nav-cta { margin-left: 14px; }
.jy-hamburger { display: none; flex-direction: column; gap: 6px; width: 44px; height: 44px; align-items: center; justify-content: center; border-radius: 8px; }
.jy-hamburger .bar { display: block; width: 24px; height: 2px; background: var(--jy-text); transition: all 0.3s ease; border-radius: 2px; }
.jy-hamburger.open .bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.jy-hamburger.open .bar:nth-child(2) { opacity: 0; }
.jy-hamburger.open .bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ===== Mobile Menu ===== */
.jy-mobile-menu {
  position: fixed; top: 0; left: 0; width: 100%; height: 100vh;
  background: var(--jy-white); z-index: 99; padding: 100px 32px 40px;
  display: flex; flex-direction: column; gap: 12px;
  opacity: 0; visibility: hidden; transform: translateY(-20px);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
}
.jy-mobile-menu.open { opacity: 1; visibility: visible; transform: translateY(0); }
.jy-mobile-menu .jy-nav-link { font-size: 20px; padding: 12px 0; border-bottom: 1px solid var(--jy-line); }
.jy-mobile-menu .jy-nav-link::after { display: none; }
.jy-mobile-menu .jy-nav-cta { margin-top: 24px; }
.jy-mobile-menu .jy-btn { width: 100%; justify-content: center; }

/* ===== Buttons ===== */
.jy-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 48px; padding: 0 28px; border-radius: 8px;
  font-size: 15px; font-weight: 600; border: none;
  transition: background var(--jy-transition), transform var(--jy-transition), box-shadow var(--jy-transition);
}
.jy-btn:active { transform: scale(0.98); }
.jy-btn:focus-visible { outline: 2px solid var(--jy-accent); outline-offset: 2px; }
.jy-btn-primary { background: var(--jy-primary); color: #fff; }
.jy-btn-primary:hover { background: var(--jy-primary-dark); color: #fff; box-shadow: var(--jy-shadow-hover); }
.jy-btn-accent { background: var(--jy-accent); color: #fff; }
.jy-btn-accent:hover { background: #d46a1f; color: #fff; box-shadow: var(--jy-shadow-hover); }
.jy-btn-outline { background: transparent; border: 1px solid var(--jy-text); color: var(--jy-text); }
.jy-btn-outline:hover { border-color: var(--jy-primary); color: var(--jy-primary); background: rgba(12,122,109,0.04); }
.jy-btn-light { background: var(--jy-primary-light); color: var(--jy-primary-dark); }
.jy-btn-light:hover { background: #d5ece7; color: var(--jy-primary-dark); }
.jy-btn-sm { height: 40px; padding: 0 22px; font-size: 14px; }
.jy-btn-lg { height: 52px; padding: 0 36px; font-size: 16px; }

/* ===== Page Hero ===== */
.jy-page-hero {
  position: relative;
  background: linear-gradient(135deg, var(--jy-primary-light) 0%, var(--jy-bg) 60%, #fff 100%);
  padding: 64px 0 72px;
  border-bottom: 1px solid var(--jy-line);
}
.jy-page-hero::before {
  content: ""; position: absolute; top: 20px; right: 30px; width: 160px; height: 160px;
  background: rgba(12,122,109,0.06); border-radius: 50%; pointer-events: none;
}
.jy-breadcrumb {
  font-size: 13px; color: var(--jy-muted); margin-bottom: 24px; display: flex; flex-wrap: wrap; gap: 6px;
}
.jy-breadcrumb a { color: var(--jy-muted); }
.jy-breadcrumb a:hover { color: var(--jy-primary); }
.jy-breadcrumb .sep { color: #BDB7AE; }
.jy-breadcrumb .current { color: var(--jy-primary); font-weight: 600; }
.jy-page-hero h1 {
  font-size: 34px; font-weight: 700; line-height: 1.3; color: var(--jy-text);
  margin-bottom: 16px; letter-spacing: 0.5px;
}
.jy-page-hero h1 .highlight { color: var(--jy-primary); }
.jy-hero-desc {
  font-size: 16px; color: var(--jy-muted); max-width: 620px; line-height: 1.8;
  margin-bottom: 28px;
}
.jy-hero-actions { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; }
.jy-hero-trust {
  display: flex; flex-wrap: wrap; gap: 18px; margin-top: 32px; padding-top: 24px;
  border-top: 1px solid rgba(12,122,109,0.12);
}
.jy-trust-item { display: flex; align-items: center; gap: 6px; font-size: 14px; color: var(--jy-muted); }
.jy-trust-item i { color: var(--jy-primary); font-size: 15px; }

/* ===== Guide Cards ===== */
.jy-guide-section { padding: 72px 0 32px; }
.jy-section-head { margin-bottom: 44px; }
.jy-section-eyebrow {
  display: inline-block; font-size: 13px; font-weight: 600; color: var(--jy-primary);
  background: var(--jy-primary-light); border-radius: 999px; padding: 4px 14px; margin-bottom: 12px;
}
.jy-section-head h2 { font-size: 28px; font-weight: 700; line-height: 1.35; color: var(--jy-text); }
.jy-section-head p { font-size: 15px; color: var(--jy-muted); margin-top: 8px; max-width: 620px; }
.jy-guide-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.jy-guide-card {
  background: var(--jy-white); border-radius: var(--jy-radius); padding: 28px 24px;
  box-shadow: var(--jy-shadow); transition: transform var(--jy-transition), box-shadow var(--jy-transition);
}
.jy-guide-card:hover { transform: translateY(-4px); box-shadow: var(--jy-shadow-hover); }
.jy-guide-icon {
  width: 48px; height: 48px; border-radius: 12px; background: var(--jy-primary-light);
  display: flex; align-items: center; justify-content: center; font-size: 20px; color: var(--jy-primary); margin-bottom: 16px;
}
.jy-guide-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.jy-guide-card p { font-size: 14px; color: var(--jy-muted); line-height: 1.7; }

/* ===== Steps Timeline ===== */
.jy-steps-section {
  padding: 60px 0 80px; background: var(--jy-white);
  border-top: 1px solid var(--jy-line); border-bottom: 1px solid var(--jy-line);
}
.jy-steps-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.jy-steps-list { position: relative; padding-left: 0; }
.jy-step-item { position: relative; padding: 0 0 36px 72px; }
.jy-step-item:not(:last-child)::before {
  content: ""; position: absolute; left: 18px; top: 44px; bottom: 0; width: 2px;
  background: linear-gradient(to bottom, var(--jy-primary), rgba(12,122,109,0.08));
}
.jy-step-item:last-child::before { display: none; }
.jy-step-circle {
  position: absolute; left: 0; top: 0; width: 38px; height: 38px; border-radius: 50%;
  background: var(--jy-primary); color: #fff; font-size: 16px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 0 5px rgba(12,122,109,0.12);
}
.jy-step-item h3 { font-size: 18px; font-weight: 600; margin-bottom: 6px; }
.jy-step-item p { font-size: 15px; color: var(--jy-muted); line-height: 1.7; }
.jy-step-tip {
  display: inline-flex; align-items: center; gap: 6px; margin-top: 10px;
  font-size: 13px; color: var(--jy-primary-dark); background: var(--jy-primary-light);
  border-radius: 999px; padding: 3px 12px;
}
.jy-steps-visual {
  border-radius: 18px; overflow: hidden; box-shadow: var(--jy-shadow-hover);
  border: 1px solid var(--jy-line); position: sticky; top: 96px;
}
.jy-steps-visual img { width: 100%; height: auto; object-fit: cover; aspect-ratio: 4/3; }
.jy-steps-visual .img-caption {
  position: absolute; bottom: 0; left: 0; right: 0; padding: 16px 20px;
  background: linear-gradient(to top, rgba(25,51,46,0.9), transparent);
  color: #fff; font-size: 13px;
}

/* ===== Notice Section ===== */
.jy-notice-section { padding: 72px 0; }
.jy-notice-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.jy-notice-card {
  display: flex; gap: 18px; padding: 24px; background: var(--jy-white);
  border-radius: var(--jy-radius); box-shadow: var(--jy-shadow); border-left: 3px solid var(--jy-primary);
  transition: transform var(--jy-transition), box-shadow var(--jy-transition);
}
.jy-notice-card:hover { transform: translateY(-3px); box-shadow: var(--jy-shadow-hover); }
.jy-notice-icon { font-size: 22px; color: var(--jy-accent); flex-shrink: 0; width: 28px; text-align: center; }
.jy-notice-card h3 { font-size: 17px; font-weight: 600; margin-bottom: 6px; }
.jy-notice-card p { font-size: 14px; color: var(--jy-muted); line-height: 1.7; }

/* ===== FAQ ===== */
.jy-faq-section {
  padding: 72px 0; background: var(--jy-white);
  border-top: 1px solid var(--jy-line); border-bottom: 1px solid var(--jy-line);
}
.jy-faq-wrap { display: grid; grid-template-columns: 360px 1fr; gap: 56px; }
.jy-faq-head h2 { font-size: 28px; font-weight: 700; line-height: 1.35; }
.jy-faq-head p { font-size: 15px; color: var(--jy-muted); margin-top: 12px; line-height: 1.7; }
.jy-faq-head .jy-btn { margin-top: 28px; }
.jy-faq-list { display: flex; flex-direction: column; }
.jy-faq-item { border-bottom: 1px solid var(--jy-line); transition: background 0.3s ease; }
.jy-faq-item:first-child { border-top: 1px solid var(--jy-line); }
.jy-faq-item summary {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 20px 0; cursor: pointer; font-size: 16px; font-weight: 600;
  color: var(--jy-text); list-style: none; transition: color var(--jy-transition);
}
.jy-faq-item summary::-webkit-details-marker { display: none; }
.jy-faq-item summary i { color: var(--jy-primary); font-size: 14px; transition: transform 0.3s ease; flex-shrink: 0; }
.jy-faq-item[open] summary i { transform: rotate(180deg); }
.jy-faq-item[open] summary { color: var(--jy-primary); }
.jy-faq-answer {
  padding: 0 24px 20px 0; font-size: 15px; color: var(--jy-muted); line-height: 1.75;
  border-left: 2px solid var(--jy-primary); padding-left: 16px; margin-bottom: 4px;
}

/* ===== CTA Banner ===== */
.jy-cta-section { padding: 60px 0; }
.jy-cta-banner {
  background: linear-gradient(135deg, var(--jy-accent) 0%, #f0904a 100%);
  border-radius: 16px; padding: 48px 56px;
  display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap;
  box-shadow: var(--jy-shadow-hover); position: relative; overflow: hidden;
}
.jy-cta-banner::before {
  content: ""; position: absolute; top: -40px; right: -40px; width: 140px; height: 140px;
  border-radius: 50%; background: rgba(255,255,255,0.12); pointer-events: none;
}
.jy-cta-banner h3 { font-size: 26px; font-weight: 700; color: #3D2A13; margin-bottom: 8px; }
.jy-cta-banner p { font-size: 15px; color: rgba(61,42,19,0.85); max-width: 480px; line-height: 1.7; }
.jy-cta-banner .jy-btn {
  background: var(--jy-white); color: var(--jy-accent); font-weight: 700;
}
.jy-cta-banner .jy-btn:hover { background: #fff; box-shadow: 0 8px 24px rgba(0,0,0,0.18); }
.jy-cta-note { font-size: 12px; color: var(--jy-muted); margin-top: 18px; text-align: center; }

/* ===== Footer ===== */
.jy-footer { background: var(--jy-dark); color: rgba(255,255,255,0.8); padding-top: 64px; margin-top: 0; }
.jy-footer-grid { display: grid; grid-template-columns: 2fr 1fr 1.4fr; gap: 48px; padding-bottom: 44px; }
.jy-footer-logo { display: flex; align-items: baseline; gap: 2px; margin-bottom: 16px; }
.jy-footer-logo span:first-child { font-size: 1.6rem; font-weight: 800; color: #fff; }
.jy-footer-logo .sub { font-size: 0.85rem; font-weight: 600; color: var(--jy-accent); background: rgba(232,122,43,0.15); border-radius: 999px; padding: 2px 10px; }
.jy-footer-desc { font-size: 14px; line-height: 1.7; color: rgba(255,255,255,0.6); max-width: 320px; }
.jy-footer-col h4 { font-size: 16px; font-weight: 600; color: #fff; margin-bottom: 18px; }
.jy-footer-col ul { display: flex; flex-direction: column; gap: 12px; }
.jy-footer-col ul a { color: rgba(255,255,255,0.65); font-size: 14px; transition: color 0.25s ease, padding-left 0.25s; }
.jy-footer-col ul a:hover { color: #fff; padding-left: 4px; }
.jy-footer-col p { font-size: 14px; color: rgba(255,255,255,0.65); margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
.jy-footer-col p i { color: var(--jy-accent); width: 18px; }
.jy-footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1); padding: 22px 24px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  font-size: 13px; color: rgba(255,255,255,0.4);
}
.jy-footer-bottom p { margin: 0; }
.icp-placeholder { cursor: default; }

/* ===== Modal ===== */
.jy-modal {
  position: fixed; inset: 0; z-index: 200; display: none;
  align-items: center; justify-content: center; padding: 24px;
  background: rgba(30,30,30,0.55); backdrop-filter: blur(4px);
}
.jy-modal.open { display: flex; }
.jy-modal-box {
  background: #fff; width: 100%; max-width: 560px; border-radius: 16px;
  padding: 40px; box-shadow: 0 24px 64px rgba(0,0,0,0.2); position: relative;
  max-height: 92vh; overflow-y: auto; animation: jy-modal-in 0.3s ease;
}
@keyframes jy-modal-in { from { opacity: 0; transform: translateY(30px) scale(0.96); } to { opacity: 1; transform: translateY(0) scale(1); } }
.jy-modal-close {
  position: absolute; top: 14px; right: 14px; width: 34px; height: 34px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--jy-muted); font-size: 18px; transition: background 0.25s ease, color 0.25s ease;
}
.jy-modal-close:hover { background: var(--jy-bg); color: var(--jy-text); }
.jy-modal-box h3 { font-size: 24px; font-weight: 700; margin-bottom: 8px; }
.jy-modal-box > p { font-size: 14px; color: var(--jy-muted); margin-bottom: 24px; }
.jy-form-group { margin-bottom: 20px; }
.jy-form-group label { display: block; font-size: 14px; font-weight: 600; color: var(--jy-text); margin-bottom: 6px; }
.jy-form-group input, .jy-form-group select {
  width: 100%; height: 46px; border: 1px solid #D8D2C8; border-radius: 8px;
  padding: 0 14px; font-size: 15px; color: var(--jy-text); background: #fff;
  transition: border-color var(--jy-transition), box-shadow var(--jy-transition);
}
.jy-form-group input:focus, .jy-form-group select:focus {
  outline: none; border-color: var(--jy-primary); box-shadow: 0 0 0 3px rgba(12,122,109,0.15);
}
.jy-code-row { display: flex; gap: 12px; }
.jy-code-row input { flex: 1; }
.jy-code-btn {
  width: 110px; height: 46px; flex-shrink: 0; border: 1px solid var(--jy-primary);
  border-radius: 8px; color: var(--jy-primary); font-size: 14px; font-weight: 600;
  background: var(--jy-primary-light); transition: background var(--jy-transition), color var(--jy-transition);
}
.jy-code-btn:hover { background: var(--jy-primary); color: #fff; }
.jy-checkbox { display: flex; align-items: flex-start; gap: 10px; margin-top: 20px; }
.jy-checkbox input[type="checkbox"] { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--jy-primary); }
.jy-checkbox label { font-size: 13px; color: var(--jy-muted); line-height: 1.6; }
.jy-checkbox a { color: var(--jy-primary); font-weight: 600; }
.jy-modal .jy-btn { width: 100%; margin-top: 20px; }

/* ===== Animations ===== */
@keyframes jy-fade-up { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
.jy-animate { animation: jy-fade-up 0.6s ease both; }

/* ===== Responsive ===== */
@media (max-width: 1023px) {
  .jy-desktop-nav { display: none; }
  .jy-hamburger { display: flex; }
  .jy-logo { position: static; transform: none; }
  .jy-guide-cards { grid-template-columns: repeat(2, 1fr); }
  .jy-steps-grid { grid-template-columns: 1fr; gap: 36px; }
  .jy-steps-visual { position: static; }
  .jy-faq-wrap { grid-template-columns: 1fr; gap: 32px; }
  .jy-notice-grid { grid-template-columns: 1fr 1fr; }
  .jy-footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}
@media (max-width: 639px) {
  .jy-container { padding: 0 16px; }
  .jy-nav { padding: 0 16px; }
  .jy-page-hero { padding: 44px 0 52px; }
  .jy-page-hero h1 { font-size: 28px; }
  .jy-hero-actions { flex-direction: column; align-items: stretch; }
  .jy-hero-actions .jy-btn { width: 100%; }
  .jy-guide-cards { grid-template-columns: 1fr; }
  .jy-notice-grid { grid-template-columns: 1fr; }
  .jy-steps-item { padding-left: 58px; }
  .jy-faq-answer { padding-left: 12px; }
  .jy-cta-banner { padding: 32px 24px; }
  .jy-cta-banner .jy-btn { width: 100%; }
  .jy-footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .jy-footer-bottom { flex-direction: column; text-align: center; }
  .jy-modal-box { padding: 28px 20px; }
  .jy-code-row { flex-direction: column; }
  .jy-code-btn { width: 100%; }
}

/* roulang page: article */
:root {
            --jy-primary: #0C7A6D;
            --jy-primary-dark: #0A6157;
            --jy-primary-light: #E0F0EC;
            --jy-accent: #E87A2B;
            --jy-accent-light: #FFF0E5;
            --jy-bg: #F7F5F0;
            --jy-text: #2D2A26;
            --jy-muted: #6E6A63;
            --jy-line: #E5E0D8;
            --jy-radius: 14px;
            --jy-radius-sm: 8px;
            --jy-shadow: 0 4px 16px rgba(50, 42, 30, 0.06);
            --jy-shadow-lg: 0 12px 36px rgba(50, 42, 30, 0.14);
            --jy-transition: 0.25s ease;
            --jy-container-max: 1200px;
        }

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

        body {
            margin: 0;
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            font-size: 16px;
            line-height: 1.8;
            color: var(--jy-text);
            background: var(--jy-bg);
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            display: inline-block;
            vertical-align: middle;
        }

        a {
            color: var(--jy-primary);
            text-decoration: none;
            transition: color var(--jy-transition);
        }

        a:hover {
            color: var(--jy-primary-dark);
        }

        .jy-container {
            max-width: var(--jy-container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== 导航 ========== */
        .jy-header {
            background: var(--jy-primary);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
        }

        .jy-nav {
            max-width: var(--jy-container-max);
            margin: 0 auto;
            padding: 0 24px;
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            position: relative;
        }

        .jy-nav-group {
            display: flex;
            align-items: center;
            gap: 32px;
            z-index: 2;
        }

        .jy-nav-link {
            color: rgba(255, 255, 255, 0.88);
            font-size: 15px;
            font-weight: 600;
            position: relative;
            padding: 6px 2px;
            transition: color var(--jy-transition);
        }

        .jy-nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--jy-accent);
            transition: width var(--jy-transition);
        }

        .jy-nav-link:hover {
            color: #fff;
        }

        .jy-nav-link:hover::after {
            width: 100%;
        }

        .jy-nav-link.active {
            color: #fff;
        }

        .jy-nav-link.active::after {
            width: 100%;
        }

        .jy-logo {
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            text-align: center;
            display: flex;
            align-items: baseline;
            gap: 4px;
            z-index: 3;
        }

        .jy-logo-main {
            font-size: 24px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 1px;
        }

        .jy-logo-sub {
            font-size: 13px;
            font-weight: 400;
            color: rgba(255, 255, 255, 0.7);
            letter-spacing: 1px;
        }

        .jy-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 46px;
            padding: 0 28px;
            border-radius: var(--jy-radius-sm);
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            border: none;
            transition: all var(--jy-transition);
            text-decoration: none;
            line-height: 1;
        }

        .jy-btn:hover {
            text-decoration: none;
        }

        .jy-btn:active {
            transform: scale(0.98);
        }

        .jy-btn-sm {
            height: 38px;
            padding: 0 20px;
            font-size: 14px;
        }

        .jy-btn-accent {
            background: var(--jy-accent);
            color: #fff;
        }

        .jy-btn-accent:hover {
            background: #D96B1F;
            color: #fff;
        }

        .jy-btn-primary {
            background: var(--jy-primary);
            color: #fff;
        }

        .jy-btn-primary:hover {
            background: var(--jy-primary-dark);
            color: #fff;
        }

        .jy-btn-outline {
            background: transparent;
            border: 1px solid #251D15;
            color: #251D15;
        }

        .jy-btn-outline:hover {
            background: rgba(0, 0, 0, 0.04);
            color: #251D15;
        }

        .jy-hamburger {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 10px;
            z-index: 4;
        }

        .jy-hamburger .bar {
            display: block;
            width: 24px;
            height: 2px;
            background: #fff;
            margin: 5px 0;
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .jy-hamburger.active .bar:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .jy-hamburger.active .bar:nth-child(2) {
            opacity: 0;
        }

        .jy-hamburger.active .bar:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .jy-mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--jy-primary);
            z-index: 90;
            padding: 100px 32px 40px;
            flex-direction: column;
            gap: 8px;
            overflow-y: auto;
            opacity: 0;
            visibility: hidden;
            transform: translateY(-12px);
            transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
        }

        .jy-mobile-menu.open {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
            display: flex;
        }

        .jy-mobile-menu a {
            color: rgba(255, 255, 255, 0.92);
            font-size: 20px;
            font-weight: 600;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            text-decoration: none;
        }

        .jy-mobile-menu a:hover {
            color: #fff;
        }

        .jy-mobile-menu .jy-btn {
            margin-top: 24px;
            width: 100%;
        }

        /* ========== 文章头部 ========== */
        .article-header {
            background: #fff;
            border-bottom: 1px solid var(--jy-line);
            padding: 40px 0;
            position: relative;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
        }

        .article-header::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            bottom: 0;
            left: 0;
            background: rgba(255, 255, 255, 0.93);
        }

        .article-header .jy-container {
            position: relative;
            z-index: 1;
        }

        .breadcrumb {
            font-size: 13px;
            color: var(--jy-muted);
            margin-bottom: 16px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
        }

        .breadcrumb a {
            color: var(--jy-muted);
        }

        .breadcrumb a:hover {
            color: var(--jy-primary);
        }

        .breadcrumb .sep {
            color: #C0BAAE;
            margin: 0 2px;
        }

        .breadcrumb .current {
            color: var(--jy-primary);
            font-weight: 500;
            max-width: 360px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            display: inline-block;
            vertical-align: bottom;
        }

        .article-header h1 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--jy-text);
            margin: 0 0 16px;
            max-width: 800px;
            text-align: left;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            font-size: 14px;
            color: var(--jy-muted);
            align-items: center;
        }

        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .article-meta i {
            color: var(--jy-primary);
            font-size: 14px;
        }

        /* ========== 文章主体 ========== */
        .article-main {
            padding: 60px 0 90px;
        }

        .article-card {
            background: #fff;
            border-radius: var(--jy-radius);
            box-shadow: var(--jy-shadow);
            padding: 40px;
            margin-bottom: 32px;
        }

        .article-body {
            font-size: 16px;
            line-height: 1.9;
            color: var(--jy-text);
            max-width: 720px;
        }

        .article-body p {
            margin: 0 0 24px;
        }

        .article-body h2 {
            font-size: 24px;
            font-weight: 600;
            margin: 40px 0 16px;
            color: var(--jy-text);
            line-height: 1.4;
        }

        .article-body h3 {
            font-size: 20px;
            font-weight: 600;
            margin: 32px 0 12px;
            color: var(--jy-text);
            line-height: 1.4;
        }

        .article-body ul,
        .article-body ol {
            margin: 0 0 24px;
            padding-left: 20px;
        }

        .article-body li {
            margin-bottom: 8px;
        }

        .article-body blockquote {
            border-left: 3px solid var(--jy-primary);
            background: var(--jy-primary-light);
            padding: 18px 20px;
            border-radius: 0 8px 8px 0;
            margin: 24px 0;
            color: var(--jy-muted);
            font-style: italic;
        }

        .article-body img {
            border-radius: 12px;
            box-shadow: var(--jy-shadow);
            margin: 24px auto;
            display: block;
            max-width: 100%;
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            border-radius: var(--jy-radius-sm);
            overflow: hidden;
            font-size: 14px;
            border: 1px solid var(--jy-line);
        }

        .article-body th,
        .article-body td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--jy-line);
            text-align: left;
        }

        .article-body th {
            background: var(--jy-primary-light);
            font-weight: 600;
            color: var(--jy-primary-dark);
        }

        .article-body tr:last-child td {
            border-bottom: none;
        }

        .article-body code {
            background: #F0EDE8;
            border-radius: 4px;
            padding: 2px 6px;
            font-size: 14px;
            font-family: "SFMono-Regular", Consolas, monospace;
        }

        .article-body pre {
            background: #F0EDE8;
            border-radius: var(--jy-radius-sm);
            padding: 18px 20px;
            overflow-x: auto;
            margin: 24px 0;
            font-size: 14px;
            line-height: 1.6;
        }

        .article-body a {
            color: var(--jy-primary);
            text-decoration: underline;
            text-underline-offset: 4px;
        }

        /* 无文章空态 */
        .article-empty {
            background: #fff;
            border-radius: var(--jy-radius);
            box-shadow: var(--jy-shadow);
            padding: 80px 40px;
            text-align: center;
        }

        .article-empty .empty-icon {
            font-size: 48px;
            color: #C0BAAE;
            margin-bottom: 16px;
        }

        .article-empty p {
            font-size: 18px;
            font-weight: 600;
            color: var(--jy-text);
            margin-bottom: 12px;
        }

        .article-empty .jy-btn {
            display: inline-flex;
        }

        /* ========== 文章底部标签 ========== */
        .article-tags {
            margin-top: 32px;
            padding-top: 24px;
            border-top: 1px solid var(--jy-line);
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .jy-badge {
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            background: var(--jy-primary-light);
            color: var(--jy-primary-dark);
        }

        .jy-badge-accent {
            background: var(--jy-accent-light);
            color: #C25E14;
        }

        /* ========== 文末操作条 ========== */
        .article-actions {
            margin-top: 32px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .article-actions .jy-btn {
            height: 44px;
            padding: 0 24px;
            font-size: 14px;
        }

        /* ========== 侧栏 ========== */
        .article-sidebar {
            position: sticky;
            top: 96px;
        }

        .sidebar-card {
            background: #fff;
            border-radius: var(--jy-radius);
            box-shadow: var(--jy-shadow);
            padding: 24px;
            margin-bottom: 24px;
        }

        .sidebar-card h3 {
            font-size: 17px;
            font-weight: 700;
            margin: 0 0 20px;
            color: var(--jy-text);
            position: relative;
            padding-left: 12px;
        }

        .sidebar-card h3::before {
            content: '';
            position: absolute;
            left: 0;
            top: 3px;
            bottom: 3px;
            width: 4px;
            border-radius: 2px;
            background: var(--jy-primary);
        }

        .related-list {
            display: flex;
            flex-direction: column;
        }

        .related-item {
            display: flex;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid var(--jy-line);
            text-decoration: none;
            align-items: flex-start;
            transition: background var(--jy-transition);
            border-radius: 8px;
        }

        .related-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .related-item:hover {
            background: #FBF9F6;
            padding-left: 8px;
            padding-right: 8px;
        }

        .related-item .thumb {
            width: 68px;
            height: 56px;
            border-radius: 8px;
            object-fit: cover;
            flex-shrink: 0;
            background: var(--jy-bg);
        }

        .related-item .related-info {
            display: flex;
            flex-direction: column;
            gap: 4px;
            min-width: 0;
        }

        .related-item .related-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--jy-text);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-item:hover .related-title {
            color: var(--jy-primary);
        }

        .related-item .related-date {
            font-size: 13px;
            color: var(--jy-muted);
        }

        .related-item.featured {
            background: var(--jy-primary-light);
            border-radius: var(--jy-radius-sm);
            padding: 12px;
            margin-bottom: 8px;
            border-bottom: none;
        }

        .related-item.featured .thumb {
            width: 80px;
            height: 64px;
        }

        /* 分类入口 */
        .category-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .category-links a {
            display: block;
            padding: 14px 16px;
            background: #fff;
            border-left: 4px solid var(--jy-primary);
            border-radius: 0 8px 8px 0;
            font-size: 14px;
            font-weight: 600;
            color: var(--jy-text);
            transition: all var(--jy-transition);
            box-shadow: var(--jy-shadow);
        }

        .category-links a:hover {
            border-left-width: 10px;
            color: var(--jy-primary);
            box-shadow: var(--jy-shadow-lg);
        }

        /* ========== 页脚 ========== */
        .jy-footer {
            background: #19332E;
            color: rgba(255, 255, 255, 0.8);
            padding: 60px 0 0;
            margin-top: 0;
        }

        .jy-footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
        }

        .jy-footer-logo {
            display: flex;
            align-items: baseline;
            gap: 6px;
            margin-bottom: 16px;
        }

        .jy-footer-logo span:first-child {
            font-size: 24px;
            font-weight: 800;
            color: #fff;
        }

        .jy-footer-logo .sub {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
        }

        .jy-footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 340px;
        }

        .jy-footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }

        .jy-footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .jy-footer-col ul li {
            margin-bottom: 10px;
        }

        .jy-footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            transition: color var(--jy-transition);
        }

        .jy-footer-col ul li a:hover {
            color: #fff;
        }

        .jy-footer-col p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .jy-footer-col p i {
            color: var(--jy-accent);
            width: 16px;
            text-align: center;
        }

        .jy-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        .jy-footer-bottom p {
            margin: 4px 0;
        }

        .jy-footer-bottom .icp-placeholder {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.3);
        }

        /* ========== 响应式 ========== */
        @media screen and (max-width: 1023px) {
            .jy-desktop-nav {
                display: none;
            }

            .jy-logo {
                position: static;
                transform: none;
                margin-right: auto;
            }

            .jy-hamburger {
                display: block;
            }

            .jy-mobile-menu {
                display: none;
            }

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

            .article-sidebar {
                position: static;
                margin-top: 32px;
            }

            .jy-footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media screen and (max-width: 639px) {
            .jy-container {
                padding: 0 16px;
            }

            .jy-nav {
                height: 64px;
                padding: 0 16px;
            }

            .jy-logo-main {
                font-size: 20px;
            }

            .jy-logo-sub {
                font-size: 11px;
            }

            .article-header {
                padding: 28px 0;
            }

            .article-header h1 {
                font-size: 24px;
                line-height: 1.4;
            }

            .article-meta {
                gap: 12px;
                font-size: 13px;
                flex-direction: column;
                align-items: flex-start;
            }

            .article-card {
                padding: 20px;
                border-radius: 12px;
            }

            .article-body {
                font-size: 15px;
                line-height: 1.85;
            }

            .article-body h2 {
                font-size: 20px;
                margin-top: 32px;
            }

            .article-body h3 {
                font-size: 18px;
            }

            .article-actions {
                flex-direction: column;
            }

            .article-actions .jy-btn {
                width: 100%;
            }

            .jy-footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
                padding-bottom: 28px;
            }

            .article-main {
                padding: 32px 0 60px;
            }

            .breadcrumb .current {
                max-width: 180px;
            }
        }

/* roulang page: category2 */
:root {
  --jy-primary: #0C7A6D;
  --jy-primary-dark: #095E54;
  --jy-primary-light: #E6F2F0;
  --jy-accent: #E87A2B;
  --jy-accent-light: #FDF0E5;
  --jy-bg: #F7F5F0;
  --jy-white: #FFFFFF;
  --jy-dark: #19332E;
  --jy-text: #2D2A26;
  --jy-muted: #6E6A63;
  --jy-line: #E5E0D8;
  --jy-radius: 14px;
  --jy-radius-sm: 8px;
  --jy-shadow: 0 4px 16px rgba(50,42,30,0.06);
  --jy-shadow-lg: 0 12px 36px rgba(50,42,30,0.14);
  --jy-transition: 0.25s ease;
  --jy-font: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",Inter,Arial,sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--jy-font);
  background: var(--jy-bg);
  color: var(--jy-text);
  line-height: 1.8;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--jy-primary);
  text-decoration: none;
  transition: color var(--jy-transition);
}

a:hover {
  color: var(--jy-primary-dark);
}

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

ul, ol {
  padding-left: 1.2rem;
}

h1, h2, h3, h4, h5 {
  line-height: 1.3;
  color: var(--jy-text);
  font-weight: 700;
}

.container, .jy-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

section {
  margin: 0;
}

.jy-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--jy-radius-sm);
  font-weight: 600;
  font-size: 15px;
  height: 46px;
  padding: 0 28px;
  border: none;
  cursor: pointer;
  transition: all var(--jy-transition);
  line-height: 1;
  outline: none;
}

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

.jy-btn-sm {
  height: 40px;
  padding: 0 22px;
  font-size: 14px;
}

.jy-btn-primary {
  background: var(--jy-primary);
  color: #fff;
}

.jy-btn-primary:hover {
  background: var(--jy-primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--jy-shadow);
}

.jy-btn-primary:active {
  transform: scale(0.98);
}

.jy-btn-accent {
  background: var(--jy-accent);
  color: #fff;
}

.jy-btn-accent:hover {
  background: #D96F1F;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--jy-shadow);
}

.jy-btn-accent:active {
  transform: scale(0.98);
}

.jy-btn-outline {
  background: transparent;
  color: var(--jy-text);
  border: 1px solid var(--jy-line);
}

.jy-btn-outline:hover {
  border-color: var(--jy-primary);
  color: var(--jy-primary);
  background: rgba(12,122,109,0.04);
}

/* Header */
.jy-header {
  background: var(--jy-white);
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  position: sticky;
  top: 0;
  z-index: 100;
}

.jy-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  position: relative;
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 24px;
}

.jy-nav-group {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
}

.jy-nav-link {
  display: inline-block;
  padding: 8px 16px;
  font-size: 15px;
  font-weight: 600;
  color: var(--jy-text);
  border-radius: 6px;
  position: relative;
  transition: color var(--jy-transition);
}

.jy-nav-link::after {
  content: '';
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 4px;
  height: 2px;
  background: var(--jy-accent);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--jy-transition);
}

.jy-nav-link:hover {
  color: var(--jy-primary);
}

.jy-nav-link:hover::after {
  transform: scaleX(1);
}

.jy-nav-link.active {
  color: var(--jy-primary);
}

.jy-nav-link.active::after {
  transform: scaleX(1);
}

.jy-logo {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: baseline;
  gap: 6px;
  line-height: 1;
  white-space: nowrap;
  z-index: 2;
}

.jy-logo-main {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--jy-primary);
  letter-spacing: 1px;
}

.jy-logo-sub {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--jy-muted);
  border: 1px solid var(--jy-line);
  border-radius: 999px;
  padding: 3px 10px;
}

.jy-nav-cta {
  margin-left: 6px;
}

.jy-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  background: transparent;
  border: none;
  border-radius: var(--jy-radius-sm);
  cursor: pointer;
  padding: 8px;
  z-index: 105;
  transition: background var(--jy-transition);
}

.jy-hamburger:hover {
  background: rgba(0,0,0,0.04);
}

.jy-hamburger .bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--jy-text);
  border-radius: 2px;
  transition: transform var(--jy-transition), opacity var(--jy-transition);
}

.jy-hamburger.open .bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.jy-hamburger.open .bar:nth-child(2) {
  opacity: 0;
}

.jy-hamburger.open .bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.jy-mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  height: 100vh;
  background: var(--jy-white);
  z-index: 102;
  padding: 100px 32px 40px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  overflow-y: auto;
}

.jy-mobile-menu.open {
  transform: translateX(0);
}

.jy-mobile-menu a {
  display: block;
  font-size: 20px;
  font-weight: 600;
  color: var(--jy-text);
  padding: 14px 8px;
  border-bottom: 1px solid var(--jy-line);
}

.jy-mobile-menu a.active {
  color: var(--jy-primary);
  border-left: 3px solid var(--jy-primary);
  padding-left: 16px;
}

.jy-mobile-menu .jy-btn {
  margin-top: 24px;
  width: 100%;
  height: 50px;
  font-size: 16px;
}

.jy-mobile-menu .jy-close-btn {
  position: absolute;
  top: 18px;
  right: 20px;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: 50%;
  font-size: 20px;
  cursor: pointer;
  color: var(--jy-text);
  transition: background var(--jy-transition);
}

.jy-mobile-menu .jy-close-btn:hover {
  background: rgba(0,0,0,0.05);
}

/* Page Hero */
.jy-page-hero {
  background: var(--jy-white);
  border-bottom: 1px solid var(--jy-line);
  padding: 56px 0 48px;
  position: relative;
  overflow: hidden;
}

.jy-page-hero::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(12,122,109,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.jy-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--jy-muted);
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.jy-breadcrumb a {
  color: var(--jy-muted);
  transition: color var(--jy-transition);
}

.jy-breadcrumb a:hover {
  color: var(--jy-primary);
}

.jy-breadcrumb .separator {
  color: var(--jy-line);
  font-weight: 300;
}

.jy-breadcrumb .current {
  color: var(--jy-primary);
  font-weight: 600;
}

.jy-page-hero h1 {
  font-size: 34px;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--jy-text);
  line-height: 1.3;
}

.jy-page-hero .subtitle {
  font-size: 16px;
  color: var(--jy-muted);
  max-width: 640px;
  line-height: 1.8;
}

/* Security Alert Banner */
.jy-security-alert {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--jy-accent-light);
  border-radius: 12px;
  padding: 22px 28px;
  margin: 40px 0 0;
  border: 1px solid rgba(232,122,43,0.18);
  flex-wrap: wrap;
}

.jy-alert-icon {
  width: 46px;
  height: 46px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(232,122,43,0.16);
  color: var(--jy-accent);
  border-radius: 12px;
  font-size: 20px;
}

.jy-alert-content {
  flex: 1;
  min-width: 240px;
}

.jy-alert-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--jy-text);
  margin-bottom: 4px;
}

.jy-alert-content p {
  font-size: 14px;
  color: var(--jy-muted);
  line-height: 1.8;
  margin: 0;
}

/* Security Content Section */
.jy-security-content {
  padding: 72px 0 48px;
}

.jy-section-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--jy-primary);
  background: var(--jy-primary-light);
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.jy-security-content h2 {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 28px;
  color: var(--jy-text);
}

.jy-security-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 16px;
}

.jy-security-card {
  background: var(--jy-white);
  border-radius: var(--jy-radius);
  padding: 28px 26px;
  box-shadow: var(--jy-shadow);
  transition: transform var(--jy-transition), box-shadow var(--jy-transition);
  border: 1px solid rgba(229,224,216,0.4);
}

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

.jy-security-card .jy-card-icon {
  width: 46px;
  height: 46px;
  background: var(--jy-primary-light);
  color: var(--jy-primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  margin-bottom: 18px;
}

.jy-security-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--jy-text);
  margin-bottom: 8px;
}

.jy-security-card p {
  font-size: 14px;
  color: var(--jy-muted);
  line-height: 1.8;
  margin: 0;
}

/* FAQ Mini */
.jy-mini-faq {
  background: var(--jy-white);
  border-radius: var(--jy-radius);
  padding: 32px 28px;
  box-shadow: var(--jy-shadow);
  border: 1px solid rgba(229,224,216,0.4);
  height: 100%;
}

.jy-mini-faq .jy-section-label {
  margin-bottom: 10px;
}

.jy-mini-faq h2 {
  font-size: 22px;
  margin-bottom: 16px;
}

.jy-faq-list details {
  border-bottom: 1px solid var(--jy-line);
  padding: 16px 0;
  transition: background var(--jy-transition);
}

.jy-faq-list details:last-child {
  border-bottom: none;
}

.jy-faq-list summary {
  font-size: 15px;
  font-weight: 600;
  color: var(--jy-text);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding-right: 20px;
  position: relative;
  transition: color var(--jy-transition);
}

.jy-faq-list summary::-webkit-details-marker {
  display: none;
}

.jy-faq-list summary::after {
  content: '\f078';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 12px;
  color: var(--jy-muted);
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  transition: transform var(--jy-transition), color var(--jy-transition);
}

.jy-faq-list details[open] summary {
  color: var(--jy-primary);
}

.jy-faq-list details[open] summary::after {
  transform: translateY(-50%) rotate(180deg);
  color: var(--jy-primary);
}

.jy-faq-list details .faq-answer {
  font-size: 14px;
  color: var(--jy-muted);
  line-height: 1.8;
  padding-top: 10px;
  padding-left: 14px;
  border-left: 2px solid var(--jy-primary);
  margin-top: 10px;
}

/* Stats Section */
.jy-stats-section {
  background: var(--jy-dark);
  padding: 64px 0;
  margin: 48px 0 0;
  position: relative;
  overflow: hidden;
}

.jy-stats-section::before {
  content: '';
  position: absolute;
  top: -60px;
  left: 50%;
  transform: translateX(-50%);
  width: 400px;
  height: 200px;
  background: radial-gradient(ellipse, rgba(255,255,255,0.05), transparent 70%);
  pointer-events: none;
}

.jy-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.jy-stat-item {
  position: relative;
  padding: 10px 0;
}

.jy-stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: -16px;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 48px;
  background: rgba(255,255,255,0.12);
}

.jy-stat-item .number {
  font-size: 34px;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 4px;
}

.jy-stat-item .label {
  font-size: 14px;
  color: rgba(255,255,255,0.65);
}

/* Image Text Section */
.jy-guide-section {
  padding: 72px 0;
}

.jy-guide-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.jy-guide-text .jy-section-label {
  margin-bottom: 12px;
}

.jy-guide-text h2 {
  font-size: 28px;
  margin-bottom: 16px;
}

.jy-guide-text p {
  font-size: 15px;
  color: var(--jy-muted);
  line-height: 1.9;
  margin-bottom: 20px;
}

.jy-tip-list {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
}

.jy-tip-list li {
  position: relative;
  padding-left: 30px;
  font-size: 15px;
  color: var(--jy-text);
  margin-bottom: 12px;
  line-height: 1.7;
}

.jy-tip-list li::before {
  content: '\f00c';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 13px;
  position: absolute;
  left: 0;
  top: 4px;
  width: 20px;
  height: 20px;
  background: var(--jy-primary-light);
  color: var(--jy-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.jy-guide-image {
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--jy-shadow-lg);
  position: relative;
}

.jy-guide-image img {
  width: 100%;
  height: auto;
  border-radius: 18px;
  transition: transform 0.4s ease;
}

.jy-guide-image:hover img {
  transform: scale(1.02);
}

/* CTA Section */
.jy-cta-wrap {
  padding: 16px 0 72px;
}

.jy-cta-banner {
  background: var(--jy-primary-light);
  border-radius: 16px;
  padding: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  border: 1px solid rgba(12,122,109,0.12);
}

.jy-cta-banner h2 {
  font-size: 22px;
  margin-bottom: 6px;
  color: var(--jy-text);
}

.jy-cta-banner p {
  color: var(--jy-muted);
  font-size: 15px;
  margin: 0;
}

.jy-privacy-note {
  font-size: 12px;
  color: var(--jy-muted);
  text-align: center;
  margin: 16px auto 0;
  max-width: 600px;
  line-height: 1.6;
}

/* Footer */
.jy-footer {
  background: var(--jy-dark);
  color: rgba(255,255,255,0.8);
  padding: 60px 0 0;
  margin-top: 0;
}

.jy-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
}

.jy-footer-logo {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 12px;
}

.jy-footer-logo span:first-child {
  font-size: 24px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 1px;
}

.jy-footer-logo .sub {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 999px;
  padding: 3px 10px;
}

.jy-footer-desc {
  font-size: 14px;
  line-height: 1.9;
  color: rgba(255,255,255,0.6);
  max-width: 360px;
  margin-bottom: 0;
}

.jy-footer-col h4 {
  font-size: 16px;
  color: #fff;
  margin-bottom: 16px;
}

.jy-footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.jy-footer-col ul li {
  margin-bottom: 10px;
}

.jy-footer-col ul li a {
  color: rgba(255,255,255,0.65);
  font-size: 14px;
  transition: color var(--jy-transition);
}

.jy-footer-col ul li a:hover {
  color: #fff;
}

.jy-footer-col p {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.jy-footer-col p i {
  width: 18px;
  color: var(--jy-accent);
  text-align: center;
}

.jy-footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  text-align: center;
}

.jy-footer-bottom p {
  font-size: 13px;
  color: rgba(255,255,255,0.45);
  margin: 4px 0;
}

.icp-placeholder {
  font-size: 12px;
}

/* Modal */
.jy-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(30,30,30,0.55);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
  backdrop-filter: blur(2px);
}

.jy-modal-overlay.active {
  display: flex;
}

.jy-modal-content {
  background: var(--jy-white);
  border-radius: 16px;
  width: 560px;
  max-width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 36px 36px 28px;
  position: relative;
  box-shadow: 0 24px 64px rgba(0,0,0,0.18);
}

.jy-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: transparent;
  color: var(--jy-muted);
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--jy-transition);
}

.jy-modal-close:hover {
  background: rgba(0,0,0,0.06);
}

.jy-modal-content h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 6px;
}

.jy-modal-content .modal-sub {
  font-size: 14px;
  color: var(--jy-muted);
  margin-bottom: 24px;
}

.jy-form-group {
  margin-bottom: 20px;
}

.jy-form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--jy-text);
  margin-bottom: 6px;
}

.jy-form-group .jy-input, 
.jy-form-group input[type="text"],
.jy-form-group input[type="tel"],
.jy-form-group select {
  width: 100%;
  height: 46px;
  border: 1px solid var(--jy-line);
  border-radius: var(--jy-radius-sm);
  padding: 0 14px;
  font-size: 15px;
  font-family: var(--jy-font);
  background: var(--jy-white);
  color: var(--jy-text);
  transition: border-color var(--jy-transition), box-shadow var(--jy-transition);
  outline: none;
}

.jy-form-group .jy-input:focus,
.jy-form-group input[type="text"]:focus,
.jy-form-group input[type="tel"]:focus,
.jy-form-group select:focus {
  border-color: var(--jy-primary);
  box-shadow: 0 0 0 3px rgba(12,122,109,0.12);
}

.jy-verify-row {
  display: flex;
  gap: 10px;
}

.jy-verify-row .jy-input {
  flex: 1;
}

.jy-btn-verify {
  height: 46px;
  width: 100px;
  background: transparent;
  border: 1px solid var(--jy-primary);
  color: var(--jy-primary);
  border-radius: var(--jy-radius-sm);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--jy-transition);
  white-space: nowrap;
}

.jy-btn-verify:hover {
  background: rgba(12,122,109,0.08);
}

.jy-checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 20px 0;
}

.jy-checkbox-row input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--jy-primary);
  cursor: pointer;
}

.jy-checkbox-row label {
  font-size: 13px;
  color: var(--jy-muted);
  line-height: 1.6;
}

.jy-checkbox-row a {
  color: var(--jy-primary);
  font-weight: 600;
}

.jy-modal-content .jy-btn-primary {
  width: 100%;
  font-size: 16px;
  height: 50px;
}

body.modal-open {
  overflow: hidden;
}

/* Reveal animation */
.jy-fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.jy-fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Media Queries */
@media screen and (max-width: 1024px) {
  .jy-nav-group .jy-nav-link {
    padding: 8px 10px;
    font-size: 14px;
  }
  
  .jy-logo-main {
    font-size: 1.4rem;
  }
}

@media screen and (max-width: 840px) {
  .jy-desktop-nav {
    display: none;
  }
  
  .jy-hamburger {
    display: flex;
    margin-left: auto;
  }
  
  .jy-nav {
    justify-content: space-between;
    height: 64px;
  }
  
  .jy-logo {
    position: static;
    transform: none;
    margin-right: auto;
    margin-left: 16px;
  }
  
  .jy-logo-main {
    font-size: 1.35rem;
  }
  
  .jy-page-hero {
    padding: 40px 0 36px;
  }
  
  .jy-page-hero h1 {
    font-size: 28px;
  }
  
  .jy-security-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  
  .jy-security-card {
    padding: 22px;
  }
  
  .jy-guide-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .jy-stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  
  .jy-stat-item:nth-child(2)::after {
    display: none;
  }
  
  .jy-cta-banner {
    padding: 32px;
    flex-direction: column;
    align-items: flex-start;
  }
  
  .jy-footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  
  .jy-footer-col:first-child {
    grid-column: 1 / -1;
  }
  
  .jy-security-content {
    padding: 56px 0 32px;
  }
}

@media screen and (max-width: 640px) {
  .jy-container {
    padding: 0 16px;
  }
  
  .jy-page-hero h1 {
    font-size: 24px;
  }
  
  .jy-page-hero .subtitle {
    font-size: 15px;
  }
  
  .jy-security-alert {
    padding: 18px 20px;
  }
  
  .jy-security-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .jy-security-card {
    padding: 20px;
  }
  
  .jy-mini-faq {
    padding: 24px 20px;
    margin-top: 24px;
  }
  
  .jy-stats-section {
    padding: 48px 0;
  }
  
  .jy-stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
  
  .jy-stat-item .number {
    font-size: 26px;
  }
  
  .jy-guide-section {
    padding: 48px 0;
  }
  
  .jy-guide-text h2 {
    font-size: 24px;
  }
  
  .jy-cta-wrap {
    padding: 0 0 56px;
  }
  
  .jy-cta-banner {
    padding: 28px 20px;
  }
  
  .jy-cta-banner h2 {
    font-size: 20px;
  }
  
  .jy-cta-banner .jy-btn {
    width: 100%;
  }
  
  .jy-footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  
  .jy-modal-content {
    padding: 28px 20px 20px;
  }
  
  .jy-verify-row {
    flex-direction: column;
    gap: 8px;
  }
  
  .jy-btn-verify {
    width: 100%;
  }
  
  .jy-nav {
    padding: 0 16px;
  }
  
  .jy-logo-sub {
    display: none;
  }
  
  .jy-footer {
    padding-top: 48px;
  }
}

/* roulang page: category3 */
/* ========== 设计变量 ========== */
:root {
  --jy-primary: #0C7A6D;
  --jy-primary-dark: #09594F;
  --jy-primary-light: #E0F0EE;
  --jy-accent: #E87A2B;
  --jy-accent-dark: #C96A1F;
  --jy-accent-light: #FDF0E3;
  --jy-bg: #F7F5F0;
  --jy-white: #FFFFFF;
  --jy-dark: #19332E;
  --jy-dark-2: #142722;
  --jy-text: #2D2A26;
  --jy-muted: #6E6A63;
  --jy-line: #E5E0D8;
  --jy-radius: 14px;
  --jy-radius-sm: 8px;
  --jy-shadow: 0 4px 16px rgba(50,42,30,0.06);
  --jy-shadow-lg: 0 12px 36px rgba(50,42,30,0.14);
  --jy-transition: 0.25s ease;
  --jy-font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Inter", Arial, sans-serif;
}

/* ========== Reset / 基础 ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--jy-font);
  background: var(--jy-bg);
  color: var(--jy-text);
  line-height: 1.8;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; transition: color var(--jy-transition); }
img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; font-family: inherit; }
input, select, textarea { font-family: inherit; }
ul, ol { list-style: none; }

.jy-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.jy-section { padding: 90px 0; }

/* ========== 按钮体系 ========== */
.jy-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  padding: 0 28px;
  border-radius: var(--jy-radius-sm);
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  border: none;
  transition: all var(--jy-transition);
  outline: none;
  white-space: nowrap;
}
.jy-btn:active { transform: scale(0.98); }
.jy-btn:focus-visible { outline: 2px solid var(--jy-accent); outline-offset: 2px; }
.jy-btn-primary {
  background: var(--jy-primary);
  color: #fff;
}
.jy-btn-primary:hover { background: var(--jy-primary-dark); color: #fff; }
.jy-btn-accent {
  background: var(--jy-accent);
  color: #fff;
}
.jy-btn-accent:hover { background: var(--jy-accent-dark); color: #fff; }
.jy-btn-outline {
  background: transparent;
  border: 1px solid #251D15;
  color: #251D15;
}
.jy-btn-outline:hover { background: rgba(37,29,21,0.04); }
.jy-btn-sm { height: 42px; padding: 0 22px; font-size: 14px; }
.jy-btn-block { display: flex; width: 100%; }

/* ========== Header / 导航 ========== */
.jy-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--jy-white);
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.jy-nav {
  max-width: 1200px;
  margin: 0 auto;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: relative;
}
.jy-logo {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.15;
  text-align: center;
  z-index: 2;
}
.jy-logo-main {
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--jy-primary);
  letter-spacing: 0.02em;
}
.jy-logo-sub {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--jy-muted);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.jy-nav-group {
  display: flex;
  align-items: center;
  gap: 28px;
  flex: 1;
}
.jy-nav-link {
  font-size: 15px;
  font-weight: 600;
  color: var(--jy-text);
  padding: 8px 2px;
  position: relative;
  white-space: nowrap;
}
.jy-nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--jy-accent);
  border-radius: 2px;
  transition: width var(--jy-transition);
}
.jy-nav-link:hover { color: var(--jy-primary); }
.jy-nav-link:hover::after,
.jy-nav-link.active::after { width: 100%; }
.jy-nav-link.active { color: var(--jy-primary); }
.jy-nav-cta { margin-left: 4px; }

/* Hamburger */
.jy-hamburger {
  display: none;
  width: 44px;
  height: 44px;
  background: transparent;
  border: none;
  border-radius: var(--jy-radius-sm);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 0;
}
.jy-hamburger .bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--jy-text);
  border-radius: 2px;
  transition: background var(--jy-transition);
}
.jy-hamburger:hover .bar { background: var(--jy-primary); }
.jy-hamburger:focus-visible { outline: 2px solid var(--jy-accent); outline-offset: 2px; }

/* ========== 移动端抽屉 ========== */
.jy-mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: var(--jy-white);
  display: flex;
  flex-direction: column;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
}
.jy-mobile-menu.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.jy-mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 40px;
}
.jy-mobile-close {
  width: 44px;
  height: 44px;
  border: none;
  background: var(--jy-bg);
  border-radius: 50%;
  font-size: 22px;
  color: var(--jy-text);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--jy-transition);
}
.jy-mobile-close:hover { background: var(--jy-line); }
.jy-mobile-links { display: flex; flex-direction: column; gap: 8px; flex: 1; }
.jy-mobile-links a {
  font-size: 20px;
  font-weight: 600;
  color: var(--jy-text);
  padding: 12px 4px;
  border-bottom: 1px solid var(--jy-line);
  transition: color var(--jy-transition);
}
.jy-mobile-links a:hover,
.jy-mobile-links a.active { color: var(--jy-primary); }
.jy-mobile-cta { margin-top: 32px; }

/* ========== 页面 Hero ========== */
.jy-page-hero {
  background: linear-gradient(rgba(247,245,240,0.92), rgba(247,245,240,0.96)),
    url('/assets/images/backpic/back-1.png') center/cover;
  padding: 68px 0 56px;
  border-bottom: 1px solid var(--jy-line);
  position: relative;
}
.jy-page-hero .jy-container { position: relative; z-index: 1; }
.jy-breadcrumb {
  font-size: 13px;
  color: var(--jy-muted);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.jy-breadcrumb a:hover { color: var(--jy-primary); }
.jy-breadcrumb .sep { color: var(--jy-line); }
.jy-page-hero h1 {
  font-size: 38px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--jy-text);
  max-width: 760px;
  margin-bottom: 16px;
}
.jy-page-hero .lead {
  font-size: 16px;
  color: var(--jy-muted);
  line-height: 1.8;
  max-width: 640px;
}

/* ========== 兼容设备条 ========== */
.jy-compat-section { padding: 72px 0 0; }
.jy-compat-bar {
  background: var(--jy-white);
  border-radius: var(--jy-radius);
  box-shadow: var(--jy-shadow);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  overflow: hidden;
}
.jy-compat-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 28px 24px;
  border-left: 1px solid var(--jy-line);
}
.jy-compat-item:first-child { border-left: none; }
.jy-compat-item i {
  font-size: 26px;
  color: var(--jy-primary);
  background: var(--jy-primary-light);
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.jy-compat-item h3 { font-size: 17px; font-weight: 600; color: var(--jy-text); margin-bottom: 2px; }
.jy-compat-item p { font-size: 13px; color: var(--jy-muted); line-height: 1.5; }

/* ========== 图文交替行 ========== */
.jy-alt-rows { padding: 80px 0 20px; }
.jy-alt-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 40px 0;
}
.jy-alt-media {
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--jy-shadow);
  aspect-ratio: 4/3;
}
.jy-alt-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.jy-alt-media:hover img { transform: scale(1.02); }
.jy-alt-content { padding: 12px 0; }
.jy-alt-content .jy-tag {
  display: inline-block;
  background: var(--jy-primary-light);
  color: var(--jy-primary-dark);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
  letter-spacing: 0.04em;
}
.jy-alt-content h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--jy-text);
  margin-bottom: 14px;
  line-height: 1.4;
}
.jy-alt-content p {
  font-size: 15px;
  color: var(--jy-muted);
  line-height: 1.8;
  margin-bottom: 14px;
}
.jy-alt-content .jy-more-link {
  font-size: 15px;
  font-weight: 600;
  color: var(--jy-primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--jy-transition);
}
.jy-alt-content .jy-more-link:hover { gap: 10px; color: var(--jy-primary-dark); }

/* ========== 小贴士 ========== */
.jy-tips-section {
  padding: 80px 0;
  margin-top: 40px;
  background: var(--jy-dark);
  color: #fff;
}
.jy-tips-header { text-align: center; margin-bottom: 48px; }
.jy-tips-header h2 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 8px;
}
.jy-tips-header p { font-size: 15px; color: rgba(255,255,255,0.7); }
.jy-tip-item {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--jy-radius);
  padding: 26px;
  display: flex;
  gap: 18px;
  height: 100%;
  transition: background var(--jy-transition), transform var(--jy-transition);
}
.jy-tip-item:hover { background: rgba(255,255,255,0.10); transform: translateY(-3px); }
.jy-tip-item i {
  font-size: 20px;
  color: var(--jy-accent);
  background: rgba(232,122,43,0.15);
  width: 46px;
  height: 46px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.jy-tip-item h3 { font-size: 17px; font-weight: 600; margin-bottom: 4px; }
.jy-tip-item p { font-size: 14px; color: rgba(255,255,255,0.7); line-height: 1.7; }

/* ========== FAQ ========== */
.jy-faq-section { padding: 80px 0 20px; }
.jy-faq-heading h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--jy-text);
  margin-bottom: 10px;
}
.jy-faq-heading p { font-size: 15px; color: var(--jy-muted); }
.jy-faq-list { border-top: 1px solid var(--jy-line); }
.jy-faq-item { border-bottom: 1px solid var(--jy-line); }
.jy-faq-item summary {
  cursor: pointer;
  padding: 22px 40px 22px 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--jy-text);
  list-style: none;
  position: relative;
  transition: color var(--jy-transition);
}
.jy-faq-item summary::-webkit-details-marker { display: none; }
.jy-faq-item summary:hover { color: var(--jy-primary); }
.jy-faq-item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 24px;
  font-weight: 400;
  color: var(--jy-primary);
  transition: transform 0.3s ease;
}
.jy-faq-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.jy-faq-answer {
  padding: 0 32px 22px 18px;
  font-size: 15px;
  color: var(--jy-muted);
  line-height: 1.7;
  border-left: 2px solid var(--jy-primary-light);
  margin-left: 2px;
}

/* ========== CTA 横幅 ========== */
.jy-cta-section { padding: 80px 0 90px; }
.jy-cta-banner {
  background: linear-gradient(135deg, #FDF0E3 0%, #FCE9D8 100%);
  border-radius: 16px;
  padding: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  position: relative;
  overflow: hidden;
}
.jy-cta-banner::before {
  content: "";
  position: absolute;
  right: -40px;
  top: -40px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(232,122,43,0.08);
}
.jy-cta-text { flex: 1; min-width: 280px; }
.jy-cta-text h2 { font-size: 24px; font-weight: 700; color: var(--jy-text); margin-bottom: 6px; }
.jy-cta-text p { font-size: 15px; color: #7A6350; }
.jy-cta-banner .jy-btn { position: relative; z-index: 1; }
.jy-privacy-note {
  font-size: 12px;
  color: var(--jy-muted);
  text-align: center;
  margin-top: 18px;
}

/* ========== 页脚 ========== */
.jy-footer {
  background: var(--jy-dark-2);
  color: rgba(255,255,255,0.85);
  padding-top: 72px;
}
.jy-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
}
.jy-footer-logo {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  margin-bottom: 16px;
}
.jy-footer-logo span { font-size: 1.4rem; font-weight: 800; color: #fff; }
.jy-footer-logo .sub { font-size: 0.7rem; font-weight: 600; color: rgba(255,255,255,0.6); letter-spacing: 0.14em; }
.jy-footer-desc {
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  line-height: 1.8;
  max-width: 320px;
}
.jy-footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: 0.04em;
}
.jy-footer-col ul li { margin-bottom: 10px; }
.jy-footer-col ul a {
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  transition: color var(--jy-transition);
}
.jy-footer-col ul a:hover { color: var(--jy-accent); }
.jy-footer-col p {
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.jy-footer-col p i { color: var(--jy-accent); width: 16px; text-align: center; }
.jy-footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.10);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
.jy-footer-bottom p { font-size: 12px; color: rgba(255,255,255,0.45); }
.icp-placeholder { color: rgba(255,255,255,0.30); }

/* ========== 注册弹窗 ========== */
.jy-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 3000;
  background: rgba(30,30,30,0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s;
}
.jy-modal-overlay.open { opacity: 1; visibility: visible; }
.jy-modal {
  background: var(--jy-white);
  border-radius: 16px;
  box-shadow: var(--jy-shadow-lg);
  width: 100%;
  max-width: 560px;
  padding: 40px;
  position: relative;
  transform: translateY(16px);
  transition: transform 0.3s ease;
  max-height: 90vh;
  overflow-y: auto;
}
.jy-modal-overlay.open .jy-modal { transform: translateY(0); }
.jy-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--jy-bg);
  border: none;
  font-size: 20px;
  color: var(--jy-text);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--jy-transition);
}
.jy-modal-close:hover { background: var(--jy-line); }
.jy-modal h3 { font-size: 22px; font-weight: 700; color: var(--jy-text); margin-bottom: 4px; }
.jy-modal .sub { font-size: 14px; color: var(--jy-muted); margin-bottom: 28px; }
.jy-form-group { margin-bottom: 20px; }
.jy-form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--jy-text);
  margin-bottom: 8px;
}
.jy-form-group input,
.jy-form-group select {
  width: 100%;
  height: 46px;
  border: 1px solid #D8D2C8;
  border-radius: var(--jy-radius-sm);
  padding: 0 14px;
  font-size: 15px;
  color: var(--jy-text);
  background: var(--jy-white);
  transition: border-color var(--jy-transition), box-shadow var(--jy-transition);
  outline: none;
}
.jy-form-group input:focus,
.jy-form-group select:focus {
  border-color: var(--jy-primary);
  box-shadow: 0 0 0 3px rgba(12,122,109,0.12);
}
.jy-code-row { display: flex; gap: 12px; }
.jy-code-row input { flex: 1; }
.jy-code-btn {
  height: 46px;
  padding: 0 18px;
  border: 1px solid var(--jy-primary);
  background: transparent;
  color: var(--jy-primary);
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--jy-radius-sm);
  white-space: nowrap;
  transition: all var(--jy-transition);
}
.jy-code-btn:hover { background: var(--jy-primary-light); }
.jy-checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: var(--jy-muted);
  margin: 20px 0 24px;
}
.jy-checkbox-row input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--jy-primary);
  flex-shrink: 0;
  margin-top: 3px;
}
.jy-checkbox-row a { color: var(--jy-primary); font-weight: 600; }
.jy-checkbox-row a:hover { text-decoration: underline; }

/* ========== 响应式 ========== */
@media (max-width: 1023px) {
  .jy-desktop-nav { display: none; }
  .jy-hamburger { display: flex; }
  .jy-logo { position: static; transform: none; }
  .jy-nav { justify-content: space-between; }
  .jy-compat-bar { grid-template-columns: repeat(2, 1fr); }
  .jy-compat-item { border-left: none; border-top: 1px solid var(--jy-line); }
  .jy-compat-item:nth-child(-n+2) { border-top: none; }
  .jy-compat-item:nth-child(odd) { border-right: 1px solid var(--jy-line); }
  .jy-alt-row { grid-template-columns: 1fr; gap: 24px; }
  .jy-alt-row.reversed .jy-alt-media { order: 1; }
  .jy-footer-grid { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 639px) {
  body { font-size: 15px; }
  .jy-container { padding: 0 16px; }
  .jy-section { padding: 60px 0; }
  .jy-nav { height: 64px; padding: 0 16px; }
  .jy-logo-main { font-size: 1.35rem; }
  .jy-page-hero { padding: 48px 0 40px; }
  .jy-page-hero h1 { font-size: 28px; }
  .jy-page-hero .lead { font-size: 15px; }
  .jy-compat-section { padding: 48px 0 0; }
  .jy-compat-bar { grid-template-columns: 1fr; }
  .jy-compat-item { border-left: none; border-top: 1px solid var(--jy-line); }
  .jy-compat-item:first-child { border-top: none; }
  .jy-compat-item:nth-child(odd) { border-right: none; }
  .jy-alt-rows { padding: 48px 0 10px; }
  .jy-alt-row { padding: 24px 0; gap: 18px; }
  .jy-alt-content h2 { font-size: 22px; }
  .jy-tips-section { padding: 60px 0; }
  .jy-tips-header h2 { font-size: 24px; }
  .jy-tip-item { padding: 20px; }
  .jy-faq-section { padding: 48px 0 10px; }
  .jy-faq-heading h2 { font-size: 24px; }
  .jy-faq-item summary { font-size: 15px; padding: 18px 36px 18px 0; }
  .jy-cta-section { padding: 48px 0 60px; }
  .jy-cta-banner { padding: 28px 20px; flex-direction: column; align-items: flex-start; }
  .jy-cta-banner .jy-btn { width: 100%; }
  .jy-modal { padding: 28px 20px; }
  .jy-footer { padding-top: 48px; }
  .jy-footer-bottom { flex-direction: column; text-align: center; }
}