/* roulang page: index */
:root {
  --primary: #1b8a4a;
  --primary-rgb: 27, 138, 74;
  --primary-dark: #126b37;
  --primary-light: #e6f5ec;
  --accent: #f0a31c;
  --accent-light: #fdf3e0;
  --dark: #0d2b1e;
  --dark-soft: #143928;
  --text: #22352b;
  --text-weak: #64756c;
  --bg: #f8faf9;
  --bg-soft: #f0f5f2;
  --white: #ffffff;
  --border: #e3eae5;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 28px;
  --shadow: 0 4px 24px rgba(13, 43, 30, 0.06);
  --shadow-hover: 0 12px 36px rgba(13, 43, 30, 0.12);
  --font: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  --spacing: 80px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color 0.25s ease; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; }

.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

/* ===== Floating Dock Nav ===== */
.site-header {
  position: sticky;
  top: 14px;
  z-index: 999;
  padding: 0 16px;
  pointer-events: none;
}
.nav-dock {
  max-width: 1120px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: 60px;
  box-shadow: 0 8px 32px rgba(13, 43, 30, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 10px 10px 24px;
  pointer-events: auto;
  transition: box-shadow 0.3s ease;
}
.nav-dock:hover { box-shadow: 0 12px 40px rgba(13, 43, 30, 0.12); }
.brand-logo {
  font-size: 1.18rem;
  font-weight: 800;
  color: var(--primary-dark);
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}
.brand-logo .logo-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--primary), #2bbf73);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.1rem;
  font-weight: 900;
  box-shadow: 0 4px 12px rgba(27, 138, 74, 0.35);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}
.nav-links li a {
  padding: 8px 16px;
  border-radius: 40px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text);
  transition: all 0.25s ease;
}
.nav-links li a:hover { background: var(--primary-light); color: var(--primary-dark); }
.nav-links li a.active { background: var(--primary); color: #fff; box-shadow: 0 4px 14px rgba(27, 138, 74, 0.3); }
.nav-cta { display: flex; align-items: center; gap: 10px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 40px;
  font-size: 0.95rem;
  font-weight: 700;
  transition: all 0.3s ease;
  border: 2px solid transparent;
  white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 4px 16px rgba(27, 138, 74, 0.28); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(27, 138, 74, 0.36); }
.btn-ghost { background: transparent; border-color: var(--border); color: var(--text); }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }
.btn-light { background: #fff; color: var(--primary-dark); box-shadow: 0 4px 18px rgba(0, 0, 0, 0.12); }
.btn-light:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(0, 0, 0, 0.18); }

.mobile-toggle { display: none; }

/* ===== Hero ===== */
.hero {
  position: relative;
  background: linear-gradient(150deg, #0d2b1e 0%, #143828 60%, #1d4a34 100%);
  color: #fff;
  padding: 120px 0 110px;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  opacity: 0.28;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 90px;
  background: linear-gradient(0deg, var(--bg) 0%, transparent 100%);
}
.hero .container { position: relative; z-index: 2; display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 60px; align-items: center; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 6px 18px;
  border-radius: 40px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
  backdrop-filter: blur(8px);
}
.hero h1 {
  font-size: 3.1rem;
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 18px;
}
.hero h1 em {
  font-style: normal;
  color: var(--accent);
}
.hero p.lead {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: 36px;
  max-width: 520px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}
.hero-stats .stat strong { display: block; font-size: 1.8rem; font-weight: 800; color: var(--accent); }
.hero-stats .stat span { font-size: 0.85rem; color: rgba(255, 255, 255, 0.7); }
.hero-visual {
  background: #fff;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.35);
  transform: perspective(1200px) rotateY(-8deg) rotateX(3deg);
  transition: transform 0.5s ease;
}
.hero-visual:hover { transform: perspective(1200px) rotateY(0) rotateX(0); }
.hero-visual img { width: 100%; height: 340px; object-fit: cover; }
.hero-card-body { padding: 20px 24px; }
.hero-card-body h3 { font-size: 1.1rem; color: var(--text); margin-bottom: 4px; }
.hero-card-body p { font-size: 0.88rem; color: var(--text-weak); }

/* ===== Sections ===== */
.section { padding: var(--spacing) 0; }
.section-header { text-align: center; max-width: 680px; margin: 0 auto 48px; }
.section-header .tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary-dark);
  padding: 4px 16px;
  border-radius: 30px;
  font-size: 0.82rem;
  font-weight: 700;
  margin-bottom: 14px;
  letter-spacing: 0.5px;
}
.section-header h2 { font-size: 2.2rem; color: var(--dark); font-weight: 800; line-height: 1.3; margin-bottom: 12px; }
.section-header p { color: var(--text-weak); font-size: 1.02rem; }
.section-bg-soft { background: var(--bg-soft); }

/* ===== Feature Cards ===== */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 30px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 20px;
}
.feature-card h3 { font-size: 1.16rem; color: var(--dark); margin-bottom: 10px; font-weight: 700; }
.feature-card p { font-size: 0.92rem; color: var(--text-weak); line-height: 1.65; }

/* ===== Category Entry ===== */
.cat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.cat-card {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: all 0.35s ease;
  display: block;
}
.cat-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); }
.cat-card img { width: 100%; height: 200px; object-fit: cover; }
.cat-card-body { padding: 26px 26px 30px; }
.cat-card-body .cat-tag { display: inline-block; font-size: 0.78rem; font-weight: 700; padding: 3px 14px; border-radius: 20px; margin-bottom: 14px; }
.cat-card-body h3 { font-size: 1.25rem; font-weight: 800; color: var(--dark); margin-bottom: 8px; }
.cat-card-body p { font-size: 0.92rem; color: var(--text-weak); line-height: 1.65; margin-bottom: 16px; }
.cat-link { color: var(--primary); font-weight: 700; font-size: 0.92rem; display: inline-flex; align-items: center; gap: 6px; }
.cat-link:hover { gap: 10px; }

/* ===== News List ===== */
.news-layout { display: grid; grid-template-columns: 1fr 0.8fr; gap: 40px; align-items: start; }
.news-featured {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.news-featured img { width: 100%; height: 260px; object-fit: cover; }
.news-featured-body { padding: 28px; }
.news-featured-body h3 { font-size: 1.4rem; font-weight: 800; color: var(--dark); margin-bottom: 10px; line-height: 1.4; }
.news-featured-body p { color: var(--text-weak); font-size: 0.95rem; margin-bottom: 18px; }
.news-meta { display: flex; gap: 18px; font-size: 0.82rem; color: var(--text-weak); margin-bottom: 14px; }
.news-meta span { display: inline-flex; align-items: center; gap: 5px; }
.news-list { display: flex; flex-direction: column; gap: 16px; }
.news-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px 22px;
  transition: all 0.25s ease;
  display: block;
}
.news-item:hover { border-color: var(--primary); box-shadow: var(--shadow); transform: translateX(4px); }
.news-item h4 { font-size: 1.02rem; font-weight: 700; color: var(--dark); margin-bottom: 6px; line-height: 1.4; }
.news-item p { font-size: 0.85rem; color: var(--text-weak); margin-bottom: 8px; }
.news-item .news-date { font-size: 0.78rem; color: var(--text-weak); display: inline-flex; align-items: center; gap: 5px; }

/* ===== Stats Dark ===== */
.stats-section {
  background: var(--dark);
  position: relative;
  overflow: hidden;
  padding: 80px 0;
  color: #fff;
}
.stats-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  opacity: 0.16;
}
.stats-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.stats-item .icon { font-size: 2rem; margin-bottom: 10px; }
.stats-item strong { display: block; font-size: 2.4rem; font-weight: 800; color: var(--accent); }
.stats-item span { font-size: 0.92rem; color: rgba(255, 255, 255, 0.7); }
.stats-heading { text-align: center; position: relative; z-index: 1; margin-bottom: 48px; }
.stats-heading h2 { color: #fff; font-size: 2rem; font-weight: 800; }
.stats-heading p { color: rgba(255, 255, 255, 0.65); }

/* ===== Steps ===== */
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.step-card {
  text-align: center;
  padding: 36px 24px;
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  position: relative;
  transition: transform 0.3s ease;
}
.step-card:hover { transform: translateY(-5px); }
.step-num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary-dark);
  font-weight: 800;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}
.step-card h3 { font-size: 1.1rem; margin-bottom: 8px; font-weight: 700; color: var(--dark); }
.step-card p { font-size: 0.88rem; color: var(--text-weak); }

/* ===== FAQ ===== */
.faq-wrap { max-width: 760px; margin: 0 auto; }
.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color 0.3s ease;
}
.faq-item summary {
  padding: 18px 24px;
  font-weight: 700;
  font-size: 1rem;
  color: var(--dark);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--primary);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item[open] { border-color: var(--primary); }
.faq-item .faq-answer { padding: 0 24px 20px; color: var(--text-weak); font-size: 0.93rem; line-height: 1.7; }

/* ===== CTA ===== */
.cta-section {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  right: -60px;
  top: -80px;
  width: 260px;
  height: 260px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 50%;
}
.cta-text h2 { font-size: 1.8rem; font-weight: 800; margin-bottom: 10px; }
.cta-text p { color: rgba(255, 255, 255, 0.85); max-width: 420px; }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; flex-shrink: 0; }

/* ===== Footer ===== */
.site-footer { background: var(--dark); color: rgba(255, 255, 255, 0.7); padding: 60px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
.footer-brand .brand-logo { color: #fff; margin-bottom: 14px; }
.footer-brand p { font-size: 0.9rem; line-height: 1.7; max-width: 320px; }
.footer-col h4 { color: #fff; font-size: 1rem; margin-bottom: 18px; font-weight: 700; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 0.9rem; transition: color 0.2s ease; }
.footer-col ul li a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.84rem;
  color: rgba(255, 255, 255, 0.5);
}
.footer-bottom a { color: rgba(255, 255, 255, 0.5); }
.footer-bottom a:hover { color: var(--accent); }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero .container { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .hero p.lead { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-stats { max-width: 500px; margin: 40px auto 0; }
  .hero-visual { max-width: 560px; margin: 0 auto; transform: none; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .news-layout { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta-section { flex-direction: column; text-align: center; }
  .cta-actions { justify-content: center; }
}
@media (max-width: 768px) {
  :root { --spacing: 56px; }
  .nav-links {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    left: 16px;
    right: 16px;
    background: var(--white);
    border-radius: 20px;
    box-shadow: var(--shadow-hover);
    padding: 16px;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    border: 1px solid var(--border);
  }
  .nav-links.open { display: flex; }
  .nav-links li a { display: block; padding: 14px 20px; border-radius: 12px; }
  .mobile-toggle {
    display: flex;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--bg-soft);
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--text);
  }
  .nav-cta .btn-ghost { display: none; }
  .hero h1 { font-size: 2.3rem; }
  .section-header h2 { font-size: 1.7rem; }
  .feature-grid { grid-template-columns: 1fr; }
  .cat-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .cta-section { padding: 40px 24px; }
  .cta-section h2 { font-size: 1.4rem; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .nav-dock { padding: 8px 8px 8px 16px; }
  .brand-logo { font-size: 1rem; }
  .brand-logo .logo-icon { width: 32px; height: 32px; font-size: 0.95rem; }
  .hero { padding: 80px 0 70px; }
  .hero h1 { font-size: 1.9rem; }
  .hero .btn { width: 100%; }
  .hero-stats { grid-template-columns: 1fr; gap: 14px; }
  .hero-stats .stat strong { font-size: 1.5rem; }
  .stats-grid { grid-template-columns: 1fr; }
  .news-featured-body { padding: 20px; }
  .news-featured-body h3 { font-size: 1.15rem; }
  .section-header p { font-size: 0.92rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* roulang page: article */
:root{
  --primary:#2f6b4f;
  --primary-light:#3e8a66;
  --primary-dark:#1a3a2c;
  --accent:#d9a441;
  --accent-dark:#b8892e;
  --bg:#f6f8f6;
  --bg-deep:#eef3ef;
  --card:#ffffff;
  --text:#1e2a24;
  --text-weak:#5e6b64;
  --border:#e3eae5;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 8px 30px rgba(20,50,35,0.08);
  --shadow-hover:0 14px 40px rgba(20,50,35,0.14);
  --header-h:76px;
  --space:80px;
  --font:'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);font-size:16px;line-height:1.75;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
body.nav-open{overflow:hidden}
img{max-width:100%;display:block;border-radius:var(--radius-sm)}
a{color:inherit;text-decoration:none}
button{font-family:inherit;border:none;background:none;cursor:pointer}
input,textarea{font-family:inherit}
ul,ol{list-style:none}
.container{max-width:1180px;margin:0 auto;padding:0 24px}
.container-sm{max-width:880px;margin:0 auto;padding:0 24px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;border-radius:999px;font-size:15px;font-weight:600;line-height:1.4;transition:all .25s ease;border:1px solid transparent}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-light);transform:translateY(-2px);box-shadow:0 10px 24px rgba(47,107,79,0.25)}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-ghost:hover{background:rgba(47,107,79,0.08);border-color:var(--primary-light)}
.btn-accent{background:var(--accent);color:#1a2e22}
.btn-accent:hover{background:var(--accent-dark);transform:translateY(-2px);box-shadow:0 10px 24px rgba(217,164,65,0.3)}
.btn-light{background:rgba(255,255,255,0.14);color:#fff;border-color:rgba(255,255,255,0.5);backdrop-filter:blur(6px)}
.btn-light:hover{background:rgba(255,255,255,0.28);transform:translateY(-2px)}
/* ===== Header / Dock Nav ===== */
.site-header{position:fixed;top:16px;left:0;right:0;z-index:100;pointer-events:none;padding:0 20px}
.nav-dock{max-width:1180px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,0.92);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-radius:60px;padding:10px 22px 10px 18px;box-shadow:0 8px 32px rgba(20,50,35,0.12);border:1px solid rgba(255,255,255,0.7);transition:box-shadow .3s;pointer-events:auto}
.nav-dock:hover{box-shadow:0 12px 36px rgba(20,50,35,0.16)}
.brand-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:var(--primary-dark);white-space:nowrap}
.logo-icon{display:flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;font-size:20px;font-weight:800;flex-shrink:0}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{display:block;padding:9px 18px;border-radius:999px;font-size:14px;font-weight:500;color:var(--text-weak);transition:all .25s}
.nav-links a:hover{color:var(--primary);background:rgba(47,107,79,0.08)}
.nav-links a.active{background:var(--primary);color:#fff;font-weight:600}
.nav-cta{display:flex;align-items:center;gap:10px}
.mobile-toggle{display:none;width:40px;height:40px;border-radius:50%;background:var(--bg-deep);color:var(--primary);font-size:20px;align-items:center;justify-content:center;transition:background .2s}
.mobile-toggle:hover{background:rgba(47,107,79,0.14)}
/* ===== Page Banner ===== */
.page-banner{position:relative;padding:150px 0 64px;background:linear-gradient(120deg,var(--primary-dark) 0%,var(--primary) 55%,var(--primary-light) 100%);overflow:hidden;text-align:center}
.page-banner::before{content:'';position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;opacity:0.22;mix-blend-mode:overlay}
.page-banner::after{content:'';position:absolute;bottom:-2px;left:0;right:0;height:60px;background:var(--bg);border-radius:50% 50% 0 0}
.page-banner-inner{position:relative;z-index:2;max-width:800px;margin:0 auto;padding:0 24px}
.page-banner .banner-tag{display:inline-block;padding:6px 20px;background:rgba(255,255,255,0.14);border:1px solid rgba(255,255,255,0.3);border-radius:999px;color:#fff;font-size:13px;font-weight:500;letter-spacing:1px;backdrop-filter:blur(4px);margin-bottom:20px}
.page-banner h1{font-size:40px;font-weight:800;color:#fff;line-height:1.3;margin-bottom:14px;text-shadow:0 4px 20px rgba(0,0,0,0.2)}
.page-banner p{font-size:16px;color:rgba(255,255,255,0.85);line-height:1.7;max-width:600px;margin:0 auto}
/* ===== Breadcrumb ===== */
.breadcrumb{padding:28px 0 4px}
.breadcrumb .container{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-weak);flex-wrap:wrap}
.breadcrumb a{color:var(--primary);transition:color .2s}
.breadcrumb a:hover{color:var(--primary-light)}
.breadcrumb .sep{opacity:0.5}
/* ===== Article Layout ===== */
.article-wrap{padding:32px 0 60px}
.article-grid{display:grid;grid-template-columns:1fr 340px;gap:40px;align-items:start}
.article-main{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:44px 48px;border:1px solid rgba(255,255,255,0.6)}
.article-header{margin-bottom:28px;padding-bottom:24px;border-bottom:1px solid var(--border)}
.article-category{display:inline-flex;align-items:center;gap:6px;padding:5px 16px;background:rgba(47,107,79,0.1);color:var(--primary);border-radius:999px;font-size:13px;font-weight:600;margin-bottom:16px}
.article-header h1{font-size:32px;font-weight:800;line-height:1.4;color:var(--text);margin-bottom:14px;letter-spacing:-0.01em}
.article-meta{display:flex;align-items:center;gap:20px;flex-wrap:wrap;font-size:13px;color:var(--text-weak)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--border)}
.article-content{font-size:16px;line-height:1.9}
.article-content p{margin-bottom:1.4em;color:#2d3a33}
.article-content h2,.article-content h3{font-weight:700;line-height:1.45;margin:1.6em 0 0.7em;color:var(--text)}
.article-content h2{font-size:23px;border-left:4px solid var(--primary);padding-left:14px}
.article-content h3{font-size:19px}
.article-content ul,.article-content ol{margin:0 0 1.4em 1.2em;padding-left:1em}
.article-content ul li{position:relative;padding-left:16px;margin-bottom:8px}
.article-content ul li::before{content:'';position:absolute;left:0;top:0.72em;width:6px;height:6px;border-radius:50%;background:var(--primary)}
.article-content ol{list-style:decimal}
.article-content ol li{margin-bottom:8px;padding-left:6px}
.article-content blockquote{border-left:4px solid var(--accent);background:rgba(217,164,65,0.08);padding:16px 22px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;margin:1.6em 0;color:var(--text-weak)}
.article-content img{border-radius:var(--radius);margin:1.6em 0}
.article-content a{color:var(--primary);border-bottom:1px solid transparent;transition:border .2s}
.article-content a:hover{border-bottom-color:var(--primary)}
.article-tags{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:32px;padding-top:22px;border-top:1px solid var(--border)}
.article-tags span{font-size:13px;color:var(--text-weak);font-weight:600}
.article-tags .tag{display:inline-block;padding:5px 14px;background:var(--bg-deep);border-radius:999px;font-size:13px;color:var(--primary);transition:all .2s}
.article-tags .tag:hover{background:var(--primary);color:#fff}
.article-share{display:flex;align-items:center;gap:10px;margin-top:20px}
.article-share span{font-size:13px;color:var(--text-weak);font-weight:600}
.article-share a{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:var(--bg-deep);color:var(--primary);font-size:15px;transition:all .25s}
.article-share a:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}
/* ===== Sidebar ===== */
.article-sidebar{display:flex;flex-direction:column;gap:28px}
.side-card{background:var(--card);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);border:1px solid rgba(255,255,255,0.6);transition:transform .25s,box-shadow .25s}
.side-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.side-card h3{font-size:17px;font-weight:700;color:var(--text);margin-bottom:18px;padding-bottom:12px;border-bottom:2px solid var(--bg-deep);display:flex;align-items:center;gap:8px}
.side-card h3::before{content:'';width:4px;height:18px;border-radius:4px;background:var(--primary)}
.side-nav-list li{margin-bottom:6px}
.side-nav-list a{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;border-radius:var(--radius-sm);background:var(--bg);color:var(--text);font-size:14px;font-weight:500;transition:all .25s}
.side-nav-list a:hover{background:var(--primary);color:#fff;transform:translateX(4px)}
.side-nav-list a i{opacity:0.6}
.side-news-list li{padding:12px 0;border-bottom:1px dashed var(--border)}
.side-news-list li:last-child{border-bottom:none;padding-bottom:0}
.side-news-list li:first-child{padding-top:0}
.side-news-list a{display:block;font-size:14px;color:var(--text);font-weight:500;line-height:1.5;transition:color .2s}
.side-news-list a:hover{color:var(--primary)}
.side-news-list .date{font-size:12px;color:var(--text-weak);margin-top:4px}
.side-help{padding:26px;border-radius:var(--radius);background:linear-gradient(135deg,var(--primary-dark),var(--primary));color:#fff;position:relative;overflow:hidden}
.side-help::after{content:'';position:absolute;right:-30px;bottom:-30px;width:120px;height:120px;border-radius:50%;background:rgba(255,255,255,0.08)}
.side-help h3{font-size:17px;font-weight:700;margin-bottom:8px;color:#fff;border-bottom:none;padding-bottom:0}
.side-help h3::before{display:none}
.side-help p{font-size:13px;color:rgba(255,255,255,0.8);margin-bottom:18px}
/* ===== Related Section ===== */
.related-section{padding:0 0 70px}
.related-title{text-align:center;margin-bottom:40px}
.related-title .sec-tag{display:inline-block;padding:5px 18px;background:rgba(47,107,79,0.1);color:var(--primary);border-radius:999px;font-size:13px;font-weight:600;letter-spacing:1px;margin-bottom:10px}
.related-title h2{font-size:28px;font-weight:800;color:var(--text);margin-bottom:8px}
.related-title p{color:var(--text-weak);font-size:15px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{background:var(--card);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid rgba(255,255,255,0.6);display:flex;flex-direction:column;transition:transform .3s,box-shadow .3s}
.related-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.related-card .cover{aspect-ratio:16/10;overflow:hidden}
.related-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.related-card:hover .cover img{transform:scale(1.06)}
.related-card .body{padding:20px 22px;flex:1;display:flex;flex-direction:column}
.related-card .cat{font-size:12px;font-weight:700;color:var(--accent-dark);letter-spacing:1px;margin-bottom:8px}
.related-card h3{font-size:16px;font-weight:700;line-height:1.5;color:var(--text);margin-bottom:10px}
.related-card p{font-size:13px;color:var(--text-weak);line-height:1.6;flex:1}
.related-card .more{margin-top:14px;font-size:13px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:4px;transition:gap .2s}
.related-card .more:hover{gap:8px}
/* ===== FAQ Section ===== */
.faq-section{padding:60px 0;background:var(--bg-deep);border-radius:60px 60px 0 0}
.faq-section .container{max-width:880px}
.faq-head{text-align:center;margin-bottom:42px}
.faq-head .sec-tag{display:inline-block;padding:5px 18px;background:rgba(47,107,79,0.1);color:var(--primary);border-radius:999px;font-size:13px;font-weight:600;letter-spacing:1px;margin-bottom:10px}
.faq-head h2{font-size:28px;font-weight:800;color:var(--text);margin-bottom:8px}
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{background:var(--card);border-radius:var(--radius-sm);overflow:hidden;box-shadow:0 2px 12px rgba(20,50,35,0.05);border:1px solid var(--border)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;font-size:15px;font-weight:600;color:var(--text);cursor:pointer;list-style:none;transition:background .2s}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:rgba(47,107,79,0.04)}
.faq-item summary::after{content:'+';font-size:20px;font-weight:400;color:var(--primary);transition:transform .3s}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{padding:0 22px 20px;font-size:14px;color:var(--text-weak);line-height:1.7}
/* ===== CTA ===== */
.cta-section{padding:70px 0;background:var(--bg)}
.cta-card{position:relative;border-radius:calc(var(--radius) + 8px);overflow:hidden;background:linear-gradient(120deg,var(--primary-dark),var(--primary));text-align:center;padding:60px 40px;color:#fff}
.cta-card::before{content:'';position:absolute;inset:0;background:url('/assets/images/backpic/back-3.png') center/cover no-repeat;opacity:0.15;mix-blend-mode:overlay}
.cta-inner{position:relative;z-index:2}
.cta-inner h2{font-size:30px;font-weight:800;margin-bottom:14px}
.cta-inner p{font-size:15px;color:rgba(255,255,255,0.85);margin-bottom:28px;max-width:540px;margin-left:auto;margin-right:auto}
.cta-btns{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}
/* ===== Footer ===== */
.site-footer{background:var(--primary-dark);color:rgba(255,255,255,0.75);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:44px;padding-bottom:48px}
.footer-brand .brand-logo{color:#fff;margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.7;color:rgba(255,255,255,0.55);max-width:280px}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:0.5px}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:13px;color:rgba(255,255,255,0.55);transition:color .2s,padding-left .2s}
.footer-col a:hover{color:var(--accent);padding-left:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.12);padding:20px 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:12px;color:rgba(255,255,255,0.4)}
.footer-bottom a{color:rgba(255,255,255,0.55)}
.footer-bottom a:hover{color:var(--accent)}
/* ===== Responsive ===== */
@media(max-width:1024px){
  .article-grid{grid-template-columns:1fr;gap:32px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media(max-width:820px){
  :root{--space:56px}
  .nav-links{
    position:fixed;top:76px;left:20px;right:20px;background:#fff;border-radius:20px;
    box-shadow:0 20px 50px rgba(20,50,35,0.15);flex-direction:column;align-items:stretch;
    padding:16px;display:none;z-index:99;border:1px solid var(--border);
  }
  .nav-links.nav-open{display:flex}
  .nav-links a{padding:13px 18px;border-radius:12px;text-align:center;font-size:15px}
  .nav-cta .btn-ghost{display:none}
  .mobile-toggle{display:flex}
  .page-banner{padding-top:120px}
  .page-banner h1{font-size:30px}
  .article-main{padding:30px 26px}
  .article-header h1{font-size:25px}
}
@media(max-width:560px){
  .container,.container-sm{padding-left:16px;padding-right:16px}
  .site-header{top:10px;padding:0 12px}
  .nav-dock{padding:8px 14px;border-radius:40px}
  .brand-logo{font-size:15px}
  .logo-icon{width:32px;height:32px;font-size:17px}
  .page-banner{padding:110px 0 50px}
  .page-banner h1{font-size:24px}
  .page-banner p{font-size:14px}
  .article-grid{gap:24px}
  .article-main{padding:24px 18px;border-radius:14px}
  .article-header h1{font-size:21px;line-height:1.45}
  .article-meta{gap:10px;font-size:12px}
  .article-content h2{font-size:19px}
  .related-grid{grid-template-columns:1fr;gap:18px}
  .cta-card{padding:40px 20px}
  .cta-inner h2{font-size:23px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;text-align:center}
}

/* roulang page: category1 */
:root {
  --primary: #1B4332;
  --primary-light: #2D6A4F;
  --primary-dark: #122B20;
  --accent: #D4A373;
  --accent-light: #E8C9A9;
  --bg: #F7F5F0;
  --bg-alt: #EDEAE3;
  --bg-deep: #122B20;
  --white: #FFFFFF;
  --text: #1F2933;
  --text-weak: #6B7280;
  --text-light: #9CA3AF;
  --border: #E5E0D8;
  --border-light: #EFEBE5;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 8px rgba(18, 43, 32, 0.06);
  --shadow-md: 0 8px 30px rgba(18, 43, 32, 0.08);
  --shadow-lg: 0 20px 50px rgba(18, 43, 32, 0.12);
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --container-w: 1180px;
  --space-section: 96px;
  --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

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

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  font-size: inherit;
  border: none;
  background: none;
  cursor: pointer;
  color: inherit;
}

input {
  font-family: inherit;
  font-size: inherit;
}

.container {
  width: 100%;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Header / Dock 导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 18px 24px;
  background: transparent;
  pointer-events: none;
}

.nav-dock {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 18px 10px 24px;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--border-light);
  border-radius: 999px;
  box-shadow: var(--shadow-md);
  pointer-events: auto;
  transition: var(--transition);
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--primary-dark);
  white-space: nowrap;
  letter-spacing: 0.5px;
}

.brand-logo:hover {
  color: var(--primary);
}

.logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  font-size: 17px;
  font-weight: 800;
  box-shadow: 0 4px 12px rgba(27, 67, 50, 0.3);
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0;
  padding: 0;
}

.nav-links li {
  margin: 0;
}

.nav-links a {
  display: inline-block;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  border-radius: 999px;
  transition: var(--transition);
  position: relative;
}

.nav-links a:hover {
  color: var(--primary);
  background: rgba(27, 67, 50, 0.06);
}

.nav-links a.active {
  color: var(--white);
  background: var(--primary);
  box-shadow: 0 4px 14px rgba(27, 67, 50, 0.25);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.2;
  padding: 11px 24px;
  border-radius: 999px;
  cursor: pointer;
  transition: var(--transition);
  border: 1.5px solid transparent;
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: 0 6px 18px rgba(27, 67, 50, 0.22);
}

.btn-primary:hover {
  background: var(--primary-light);
  border-color: var(--primary-light);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(27, 67, 50, 0.28);
}

.btn-ghost {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

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

.btn-light {
  background: #fff;
  color: var(--primary-dark);
  border-color: #fff;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.12);
}

.btn-light:hover {
  background: var(--accent-light);
  border-color: var(--accent-light);
  color: var(--primary-dark);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 15px 36px;
  font-size: 15px;
}

.mobile-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-alt);
  color: var(--primary-dark);
  font-size: 20px;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.mobile-toggle:hover {
  background: var(--primary);
  color: #fff;
}

/* ===== Hero ===== */
.page-hero {
  position: relative;
  min-height: 460px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 24px 96px;
  background: linear-gradient(135deg, rgba(18, 43, 32, 0.88), rgba(27, 67, 50, 0.78)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color: #fff;
  border-radius: 0 0 48px 48px;
  overflow: hidden;
}

.page-hero::after {
  content: '';
  position: absolute;
  bottom: -40px;
  left: 50%;
  transform: translateX(-50%);
  width: 90%;
  height: 80px;
  background: radIAL-gradient(ellipse at center, rgba(212, 163, 115, 0.25), transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.24);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--accent-light);
  backdrop-filter: blur(4px);
  margin-bottom: 24px;
  text-transform: uppercase;
}

.hero-content h1 {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 1px;
  margin-bottom: 20px;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.18);
}

.hero-content p {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.88);
  max-width: 620px;
  margin: 0 auto 32px;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  margin-top: 52px;
  padding-top: 36px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.hero-stats .stat-item {
  text-align: center;
}

.hero-stats .stat-num {
  display: block;
  font-size: 30px;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
}

.hero-stats .stat-label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 4px;
}

/* ===== Section 通用 ===== */
.section {
  padding: var(--space-section) 0;
}

.section-tight {
  padding: 64px 0;
}

.section-alt {
  background: var(--bg-alt);
}

.section-head {
  max-width: 680px;
  margin-bottom: 48px;
}

.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(212, 163, 115, 0.12);
  border: 1px solid rgba(212, 163, 115, 0.2);
}

.section-head h2 {
  font-size: clamp(26px, 3.4vw, 38px);
  font-weight: 800;
  line-height: 1.25;
  color: var(--primary-dark);
  margin-bottom: 14px;
}

.section-head p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-weak);
}

/* ===== Intro 图文区块 ===== */
.intro-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.intro-media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.intro-media img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.intro-media:hover img {
  transform: scale(1.03);
}

.intro-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(18, 43, 32, 0.3), transparent 40%);
}

.intro-badge {
  position: absolute;
  left: 20px;
  bottom: 20px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary-dark);
  box-shadow: var(--shadow-sm);
}

.intro-content .content-list {
  margin-top: 22px;
}

.content-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border-light);
}

.content-list li:last-child {
  border-bottom: none;
}

.list-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(27, 67, 50, 0.1);
  color: var(--primary);
  font-size: 16px;
  font-weight: 700;
}

.list-title {
  font-weight: 700;
  color: var(--text);
  font-size: 16px;
}

.list-desc {
  font-size: 14px;
  color: var(--text-weak);
  margin-top: 3px;
}

/* ===== Steps 流程 ===== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.step-card {
  position: relative;
  padding: 36px 24px 28px;
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  text-align: center;
}

.step-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(27, 67, 50, 0.18);
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 20px;
  box-shadow: 0 8px 20px rgba(27, 67, 50, 0.22);
}

.step-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 10px;
}

.step-card p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.7;
}

/* ===== 内容卡片 ===== */
.guide-cards .cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.card-item {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.card-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.card-cover {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}

.card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.card-item:hover .card-cover img {
  transform: scale(1.06);
}

.card-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(18, 43, 32, 0.35), transparent 50%);
}

.card-tag {
  position: absolute;
  left: 16px;
  top: 16px;
  z-index: 2;
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  color: var(--primary-dark);
}

.card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-body h3 {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--primary-dark);
  margin-bottom: 10px;
}

.card-body p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.75;
  flex: 1;
  margin-bottom: 18px;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-light);
}

.card-meta .meta-item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.card-link {
  margin-top: 16px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
}

.card-link:hover {
  gap: 10px;
  color: var(--primary-light);
}

/* ===== Tips 深色区 ===== */
.tips-section {
  background: var(--bg-deep);
  color: #fff;
  padding: 80px 0;
  border-radius: 48px 0 48px 0;
}

.tips-section .section-head h2 {
  color: #fff;
}

.tips-section .section-head p {
  color: rgba(255, 255, 255, 0.7);
}

.tips-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.tip-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.tip-item:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-3px);
}

.tip-icon {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--accent);
  color: var(--primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 800;
}

.tip-item h4 {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}

.tip-item p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.72);
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
}

.faq-item {
  margin-bottom: 16px;
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: rgba(27, 67, 50, 0.2);
  box-shadow: var(--shadow-md);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  list-style: none;
}

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

.faq-item summary::after {
  content: '+';
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(27, 67, 50, 0.08);
  color: var(--primary);
  font-size: 20px;
  font-weight: 600;
  transition: var(--transition);
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
  background: var(--primary);
  color: #fff;
}

.faq-item .faq-answer {
  padding: 0 24px 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-weak);
}

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

.cta-box {
  position: relative;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: var(--radius-lg);
  padding: 64px 48px;
  overflow: hidden;
  text-align: center;
  color: #fff;
  box-shadow: var(--shadow-lg);
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: rgba(212, 163, 115, 0.18);
  pointer-events: none;
}

.cta-box::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: -40px;
  width: 280px;
  height: 200px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  pointer-events: none;
}

.cta-box h2 {
  position: relative;
  z-index: 2;
  font-size: clamp(24px, 3.2vw, 36px);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 16px;
  color: #fff;
}

.cta-box p {
  position: relative;
  z-index: 2;
  color: rgba(255, 255, 255, 0.78);
  max-width: 600px;
  margin: 0 auto 28px;
  font-size: 16px;
  line-height: 1.8;
}

.cta-actions {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 72px 0 0;
  margin-top: 48px;
  border-radius: 48px 48px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}

.footer-brand .brand-logo {
  color: #fff;
  margin-bottom: 18px;
}

.footer-brand .brand-logo .logo-icon {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: var(--primary-dark);
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.6);
  max-width: 320px;
}

.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 18px;
  letter-spacing: 0.5px;
}

.footer-col ul li {
  margin-bottom: 11px;
}

.footer-col ul a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  transition: var(--transition);
}

.footer-col ul a:hover {
  color: var(--accent-light);
  padding-left: 4px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
  flex-wrap: wrap;
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.55);
  border-bottom: 1px dotted rgba(255, 255, 255, 0.3);
}

.footer-bottom a:hover {
  color: var(--accent-light);
  border-color: var(--accent-light);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  :root {
    --space-section: 72px;
  }

  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .guide-cards .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .site-header {
    padding: 12px 16px;
  }

  .nav-dock {
    padding: 8px 14px 8px 18px;
    border-radius: 24px;
  }

  .nav-links {
    position: fixed;
    top: 76px;
    left: 16px;
    right: 16px;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(18px);
    padding: 18px;
    border-radius: 20px;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    transition: var(--transition);
    z-index: 999;
  }

  .nav-links.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav-links a {
    display: block;
    padding: 12px 16px;
    text-align: center;
    font-size: 15px;
  }

  .nav-cta .btn-ghost {
    display: none;
  }

  .mobile-toggle {
    display: flex;
  }

  .nav-cta {
    gap: 6px;
  }

  .page-hero {
    min-height: 400px;
    padding: 60px 20px 72px;
    border-radius: 0 0 32px 32px;
  }

  .hero-stats {
    gap: 24px;
    flex-wrap: wrap;
  }

  .intro-wrap {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .intro-media img {
    height: 300px;
  }

  .steps-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .guide-cards .cards-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .tips-grid {
    grid-template-columns: 1fr;
  }

  .cta-box {
    padding: 48px 24px;
  }

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

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 520px) {
  :root {
    --space-section: 56px;
    --container-w: 100%;
  }

  .container {
    padding: 0 18px;
  }

  .brand-logo {
    font-size: 16px;
    gap: 8px;
  }

  .logo-icon {
    width: 32px;
    height: 32px;
    font-size: 15px;
  }

  .steps-grid {
    grid-template-columns: 1fr;
  }

  .hero-content h1 {
    font-size: 30px;
  }

  .hero-content p {
    font-size: 15px;
  }

  .hero-stats {
    gap: 18px;
  }

  .section-head h2 {
    font-size: 26px;
  }

  .faq-item summary {
    font-size: 15px;
    padding: 16px 18px;
  }

  .faq-item .faq-answer {
    padding: 0 18px 18px;
    font-size: 14px;
  }

  .card-body h3 {
    font-size: 17px;
  }

  .cta-box {
    padding: 40px 18px;
    border-radius: 20px;
  }
}

/* roulang page: category2 */
:root {
  --primary: #e85d2a;
  --primary-dark: #c4481e;
  --primary-soft: #fff1ea;
  --accent: #1a7a5a;
  --accent-soft: #e6f4ee;
  --ink: #1c1917;
  --ink-soft: #57534e;
  --ink-mute: #8a857f;
  --bg: #faf9f7;
  --bg-deep: #f2efe9;
  --card-bg: #ffffff;
  --line: #e7e2da;
  --radius: 20px;
  --radius-sm: 12px;
  --shadow-sm: 0 2px 10px rgba(28, 25, 23, 0.05);
  --shadow-md: 0 8px 30px rgba(28, 25, 23, 0.08);
  --shadow-lg: 0 16px 50px rgba(28, 25, 23, 0.10);
  --font: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --nav-h: 72px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; transition: color 0.2s ease; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input { font-family: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
::selection { background: rgba(232, 93, 42, 0.2); }
:focus-visible { outline: 3px solid rgba(232, 93, 42, 0.45); outline-offset: 2px; border-radius: 4px; }

/* ===== Header / Nav Dock ===== */
.site-header {
  position: sticky;
  top: 16px;
  z-index: 100;
  padding: 0 24px;
  pointer-events: none;
}
.nav-dock {
  max-width: 1160px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: 0 10px 40px rgba(28, 25, 23, 0.08);
  border-radius: 56px;
  padding: 10px 12px 10px 24px;
  pointer-events: auto;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  font-size: 17px;
  letter-spacing: 0.5px;
  color: var(--ink);
  white-space: nowrap;
}
.logo-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  font-size: 20px;
  font-weight: 900;
  box-shadow: 0 4px 12px rgba(232, 93, 42, 0.3);
  flex-shrink: 0;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links a {
  padding: 9px 16px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-soft);
  transition: all 0.2s ease;
}
.nav-links a:hover { color: var(--ink); background: var(--bg-deep); }
.nav-links a.active {
  background: var(--primary-soft);
  color: var(--primary-dark);
  font-weight: 700;
}
.nav-cta {
  display: flex;
  align-items: center;
  gap: 8px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 14px;
  transition: all 0.2s ease;
  line-height: 1;
}
.btn-ghost {
  background: transparent;
  border: 1.5px solid var(--line);
  color: var(--ink);
}
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-soft); transform: translateY(-1px); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 10px 25px rgba(232, 93, 42, 0.25); }
.mobile-toggle {
  display: none;
  font-size: 24px;
  color: var(--ink);
  padding: 4px 8px;
}
@media (max-width: 920px) {
  .site-header { top: 12px; padding: 0 12px; }
  .nav-dock { padding: 8px 12px; border-radius: 40px; }
  .brand-logo { font-size: 15px; }
  .logo-icon { width: 36px; height: 36px; font-size: 17px; }
  .nav-cta .btn-ghost { display: none; }
  .nav-links {
    position: fixed;
    top: 76px;
    left: 12px;
    right: 12px;
    background: #fff;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    gap: 4px;
    display: none;
    border: 1px solid var(--line);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 16px; border-radius: 12px; }
  .mobile-toggle { display: block; }
}

/* ===== Hero / Page Banner ===== */
.page-hero {
  position: relative;
  padding: 130px 0 90px;
  background: linear-gradient(135deg, #fdf3ee 0%, #f7ece4 45%, #eef5f1 100%);
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity: 0.22;
  mask-image: linear-gradient(to right, transparent, black 40%, black 70%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 40%, black 70%, transparent);
}
.page-hero .container { position: relative; z-index: 2; }
.hero-inner { max-width: 760px; }
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
}
.hero-eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
}
.page-hero h1 {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -0.5px;
  margin-bottom: 18px;
}
.page-hero h1 span { color: var(--primary); }
.page-hero p {
  font-size: 16px;
  color: var(--ink-soft);
  max-width: 640px;
  margin-bottom: 28px;
  line-height: 1.8;
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
.hero-meta .meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--ink-soft);
  background: rgba(255,255,255,0.75);
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
}
@media (max-width: 768px) {
  .page-hero { padding: 110px 0 56px; }
}

/* ===== Section Common ===== */
.section { padding: 80px 0; }
.section-alt { background: var(--bg-deep); }
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.section-title { font-size: 32px; font-weight: 900; line-height: 1.3; margin-bottom: 8px; letter-spacing: -0.3px; }
.section-title span { color: var(--primary); }
.section-sub { font-size: 15px; color: var(--ink-soft); max-width: 640px; line-height: 1.7; }
.section-link { font-weight: 600; font-size: 14px; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; }
.section-link:hover { gap: 10px; }
@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .section-title { font-size: 26px; }
  .section-head { margin-bottom: 28px; }
}

/* ===== Feature Cards ===== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 32px 28px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}
.feature-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: opacity 0.25s ease;
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: #e0d5cb; }
.feature-card:hover::after { opacity: 1; }
.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 18px;
  background: var(--primary-soft);
  color: var(--primary);
}
.feature-icon.green { background: var(--accent-soft); color: var(--accent); }
.feature-icon.amber { background: #fdf3d7; color: #b7791f; }
.feature-card h3 { font-size: 19px; font-weight: 700; margin-bottom: 10px; }
.feature-card p { font-size: 14px; color: var(--ink-soft); line-height: 1.75; }
@media (max-width: 920px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .feature-grid { grid-template-columns: 1fr; }
}

/* ===== News / Article Cards ===== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.news-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
}
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.news-card .thumb {
  width: 100%;
  height: 190px;
  object-fit: cover;
  background: var(--bg-deep);
}
.news-card-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.news-tag {
  align-self: flex-start;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  background: var(--primary-soft);
  color: var(--primary-dark);
  margin-bottom: 12px;
}
.news-tag.green { background: var(--accent-soft); color: var(--accent); }
.news-card h3 { font-size: 17px; font-weight: 700; line-height: 1.55; margin-bottom: 8px; }
.news-card h3 a:hover { color: var(--primary); }
.news-card .desc { font-size: 14px; color: var(--ink-soft); line-height: 1.65; margin-bottom: 16px; flex: 1; }
.news-card .meta {
  display: flex;
  gap: 12px;
  font-size: 12px;
  color: var(--ink-mute);
  border-top: 1px dashed var(--line);
  padding-top: 14px;
}
@media (max-width: 920px) {
  .news-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .news-grid { grid-template-columns: 1fr; }
  .news-card .thumb { height: 180px; }
}

/* ===== Timeline ===== */
.timeline {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
  padding-left: 32px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary), var(--accent));
  border-radius: 2px;
  opacity: 0.5;
}
.timeline-item {
  position: relative;
  margin-bottom: 36px;
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 24px 28px;
  box-shadow: var(--shadow-sm);
}
.timeline-item::before {
  content: "";
  position: absolute;
  left: -29px;
  top: 26px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--primary);
  border: 3px solid #fff;
  box-shadow: 0 0 0 2px rgba(232, 93, 42, 0.3);
}
.timeline-date { font-size: 13px; font-weight: 700; color: var(--primary); margin-bottom: 6px; }
.timeline-item h3 { font-size: 17px; font-weight: 700; margin-bottom: 6px; }
.timeline-item p { font-size: 14px; color: var(--ink-soft); line-height: 1.7; }

/* ===== Table ===== */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  max-width: 860px;
  margin: 0 auto;
}
.schedule-table { width: 100%; border-collapse: collapse; background: #fff; }
.schedule-table th {
  background: var(--bg-deep);
  font-size: 14px;
  font-weight: 700;
  padding: 16px 20px;
  text-align: left;
  border-bottom: 2px solid var(--line);
}
.schedule-table td {
  padding: 15px 20px;
  font-size: 14px;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
}
.schedule-table tr:last-child td { border-bottom: none; }
.schedule-table tr:hover td { background: var(--primary-soft); }
.schedule-table .status {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}
.status-live { background: #fde8e0; color: var(--primary); }
.status-coming { background: var(--accent-soft); color: var(--accent); }
.status-done { background: #f0eee9; color: var(--ink-mute); }

/* ===== Tag Cloud ===== */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}
.tag-chip {
  padding: 8px 18px;
  background: #fff;
  border: 1.5px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-soft);
  transition: all 0.2s ease;
}
.tag-chip:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-soft); transform: translateY(-2px); }

/* ===== CTA ===== */
.cta-panel {
  background: linear-gradient(120deg, #1c1917 0%, #2b2622 50%, #242e29 100%);
  border-radius: var(--radius);
  padding: 60px 48px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  opacity: 0.15;
  mix-blend-mode: overlay;
}
.cta-panel h2 { font-size: 30px; font-weight: 900; margin-bottom: 12px; position: relative; }
.cta-panel p { font-size: 15px; color: rgba(255,255,255,0.75); max-width: 520px; margin: 0 auto 28px; position: relative; }
.cta-panel .btn-primary { padding: 16px 32px; font-size: 15px; position: relative; }
.cta-panel .btn-primary:hover { background: #fff; color: var(--primary-dark); box-shadow: 0 10px 30px rgba(255,255,255,0.15); }
@media (max-width: 768px) {
  .cta-panel { padding: 40px 24px; }
  .cta-panel h2 { font-size: 24px; }
}

/* ===== FAQ ===== */
.faq-list { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.faq-item:hover { border-color: #ddd3c8; box-shadow: var(--shadow-sm); }
.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
}
.faq-q::after {
  content: "+";
  font-size: 22px;
  color: var(--primary);
  transition: transform 0.2s ease;
  flex-shrink: 0;
}
.faq-item.open .faq-q::after { transform: rotate(45deg); }
.faq-a { padding: 0 24px 20px; font-size: 14px; color: var(--ink-soft); line-height: 1.75; display: none; }
.faq-item.open .faq-a { display: block; }

/* ===== Footer ===== */
.site-footer {
  background: #1c1917;
  color: rgba(255,255,255,0.7);
  padding: 70px 0 30px;
  margin-top: 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand .brand-logo { color: #fff; margin-bottom: 16px; }
.footer-brand p { font-size: 14px; line-height: 1.8; max-width: 340px; }
.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { font-size: 14px; transition: color 0.2s ease; }
.footer-col ul a:hover { color: var(--primary); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}
.footer-bottom a { color: rgba(255,255,255,0.5); text-decoration: underline; text-underline-offset: 3px; }
.footer-bottom a:hover { color: #fff; }
@media (max-width: 920px) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }
}
@media (max-width: 600px) {
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; }
}

/* ===== Scroll Top ===== */
.scroll-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 18px;
  box-shadow: 0 8px 24px rgba(232, 93, 42, 0.3);
  z-index: 90;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}
.scroll-top.show { opacity: 1; visibility: visible; }
.scroll-top:hover { background: var(--primary-dark); transform: translateY(-2px); }

/* roulang page: category3 */
:root {
  --primary: #0f766e;
  --primary-dark: #115e59;
  --primary-light: #ccfbf1;
  --primary-lighter: #f0fdfa;
  --accent: #f59e0b;
  --accent-light: #fef3c7;
  --dark: #0f172a;
  --dark-soft: #1e293b;
  --text: #1e293b;
  --text-weak: #64748b;
  --border: #e2e8f0;
  --bg: #f8fafc;
  --white: #ffffff;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --shadow: 0 4px 24px rgba(15, 118, 110, 0.08);
  --shadow-hover: 0 12px 36px rgba(15, 118, 110, 0.14);
  --shadow-dark: 0 12px 40px rgba(15, 23, 42, 0.25);
  --transition: 0.3s ease;
  --container: 1200px;
  --header-h: 72px;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition);
}
img {
  max-width: 100%;
  display: block;
  border-radius: var(--radius);
}
button, input {
  font-family: inherit;
  border: none;
  outline: none;
  background: none;
}
ul, ol {
  list-style: none;
}
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.section {
  padding: 84px 0;
}
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 52px;
}
.section-tag {
  display: inline-block;
  background: var(--primary-lighter);
  color: var(--primary);
  border: 1px solid #99f6e4;
  padding: 6px 18px;
  border-radius: 40px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 18px;
}
.section-title {
  font-size: 34px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--dark);
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}
.section-desc {
  color: var(--text-weak);
  font-size: 16px;
  line-height: 1.8;
}
/* ===================== 导航 ===================== */
.site-header {
  position: sticky;
  top: 16px;
  z-index: 999;
  padding: 0 24px;
  margin-bottom: -10px;
}
.nav-dock {
  max-width: 1240px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(226,232,240,0.8);
  border-radius: 60px;
  padding: 10px 24px 10px 18px;
  box-shadow: 0 8px 32px rgba(15, 23, 42, 0.08);
  transition: box-shadow var(--transition);
}
.nav-dock:hover {
  box-shadow: 0 10px 40px rgba(15, 118, 110, 0.1);
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 800;
  color: var(--dark);
  letter-spacing: -0.3px;
  white-space: nowrap;
}
.logo-icon {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), #14b8a6);
  color: #fff;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(15,118,110,0.25);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-links a {
  padding: 8px 18px;
  border-radius: 40px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-weak);
  transition: all var(--transition);
}
.nav-links a:hover {
  color: var(--primary);
  background: var(--primary-lighter);
}
.nav-links a.active {
  color: #fff;
  background: var(--primary);
  font-weight: 600;
  box-shadow: 0 4px 14px rgba(15,118,110,0.3);
}
.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 6px 18px rgba(15,118,110,0.3);
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(15,118,110,0.35);
}
.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--dark);
}
.btn-ghost:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-lighter);
}
.btn-light {
  background: #fff;
  color: var(--primary-dark);
  box-shadow: 0 6px 18px rgba(0,0,0,0.15);
}
.btn-light:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.2);
}
.mobile-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--primary-lighter);
  color: var(--primary);
  font-size: 20px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}
.mobile-toggle:hover {
  background: var(--primary-light);
}
/* ===================== Hero ===================== */
.page-banner {
  position: relative;
  background: linear-gradient(120deg, rgba(15,118,110,0.92), rgba(20,184,166,0.78)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding: 110px 0 100px;
  color: #fff;
  border-radius: 0 0 48px 48px;
  overflow: hidden;
}
.page-banner::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 120px;
  background: var(--bg);
  border-radius: 50% 50% 0 0 / 18% 18% 0 0;
  opacity: 1;
}
.page-banner .container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
.breadcrumb {
  font-size: 14px;
  opacity: 0.85;
  margin-bottom: 20px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.breadcrumb a:hover {
  color: #fff;
  text-decoration: underline;
}
.banner-title {
  font-size: 46px;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 20px;
  letter-spacing: -1px;
}
.banner-subtitle {
  font-size: 17px;
  line-height: 1.8;
  opacity: 0.92;
  max-width: 540px;
  margin-bottom: 32px;
}
.banner-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.banner-art {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0,0,0,0.3);
  transform: rotate(2deg);
  transition: transform var(--transition);
}
.banner-art:hover {
  transform: rotate(0deg);
}
.banner-art img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: 24px;
}
.banner-art .art-badge {
  position: absolute;
  bottom: 16px;
  left: 16px;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(8px);
  color: var(--dark);
  padding: 10px 18px;
  border-radius: 40px;
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}
/* ===================== 快速服务入口 ===================== */
.quick-section {
  margin-top: -20px;
}
.quick-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.quick-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: all var(--transition);
  box-shadow: var(--shadow);
}
.quick-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: #99f6e4;
}
.quick-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: var(--primary-lighter);
  color: var(--primary);
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  transition: all var(--transition);
}
.quick-card:hover .quick-icon {
  background: var(--primary);
  color: #fff;
  transform: scale(1.05);
}
.quick-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
}
.quick-card p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.7;
}
/* ===================== 流程 ===================== */
.step-section {
  background: var(--white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.step-wrap {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.step-card {
  position: relative;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 26px 30px;
  transition: all var(--transition);
}
.step-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-hover);
}
.step-num {
  width: 42px;
  height: 42px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 18px;
  box-shadow: 0 6px 14px rgba(15,118,110,0.3);
}
.step-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--dark);
}
.step-card p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.75;
}
.step-card::after {
  content: '';
  position: absolute;
  top: 50%;
  right: -24px;
  width: 24px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), transparent);
  opacity: 0.4;
}
.step-card:last-child::after {
  display: none;
}
/* ===================== 问题排查 ===================== */
.help-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}
.issue-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.issue-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 18px 22px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  transition: all var(--transition);
  cursor: default;
}
.issue-item:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow);
  transform: translateX(4px);
}
.issue-item i {
  color: var(--primary);
  font-size: 18px;
  margin-top: 3px;
}
.issue-item h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 4px;
}
.issue-item p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.6;
}
.tips-card {
  background: linear-gradient(150deg, var(--primary-lighter), #fff);
  border: 1px solid #99f6e4;
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow);
}
.tips-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: 22px;
}
.tips-card h3 {
  font-size: 20px;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 12px;
}
.tips-card p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.8;
  margin-bottom: 18px;
}
.tips-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.tips-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 14px;
  color: var(--dark);
}
.tips-list i {
  color: var(--primary);
  margin-top: 3px;
}
/* ===================== 安全提醒 ===================== */
.security-block {
  position: relative;
  background: linear-gradient(135deg, var(--dark), #134e4a);
  border-radius: 32px;
  padding: 64px 56px;
  color: #fff;
  overflow: hidden;
}
.security-block::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(20,184,166,0.3), transparent 70%);
}
.security-block::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: 30%;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(245,158,11,0.2), transparent 70%);
}
.security-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px 40px;
  position: relative;
  z-index: 2;
}
.security-item {
  display: flex;
  gap: 16px;
  padding: 22px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  backdrop-filter: blur(6px);
  transition: all var(--transition);
}
.security-item:hover {
  background: rgba(255,255,255,0.12);
  transform: translateY(-4px);
}
.security-item i {
  font-size: 24px;
  color: #5eead4;
  margin-top: 4px;
}
.security-item h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
}
.security-item p {
  font-size: 14px;
  opacity: 0.75;
  line-height: 1.7;
}
/* ===================== 数据 ===================== */
.stats-section {
  background: var(--white);
  border-top: 1px solid var(--border);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stats-card {
  text-align: center;
  padding: 20px 16px;
  border-radius: var(--radius);
  background: var(--bg);
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.stats-card:hover {
  background: var(--primary-lighter);
  border-color: var(--primary);
}
.stats-card .num {
  font-size: 40px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
  margin-bottom: 8px;
}
.stats-card .label {
  font-size: 14px;
  color: var(--text-weak);
  font-weight: 500;
}
/* ===================== FAQ ===================== */
.faq-section {
  background: var(--bg);
}
.faq-wrap {
  max-width: 860px;
  margin: 0 auto;
}
.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 16px;
  overflow: hidden;
  transition: all var(--transition);
}
.faq-item.open {
  border-color: var(--primary);
  box-shadow: var(--shadow);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 26px;
  font-size: 16px;
  font-weight: 700;
  color: var(--dark);
  cursor: pointer;
  text-align: left;
  transition: color var(--transition);
}
.faq-question:hover {
  color: var(--primary);
}
.faq-question i {
  font-size: 15px;
  color: var(--primary);
  transition: transform var(--transition);
  flex-shrink: 0;
}
.faq-item.open .faq-question i {
  transform: rotate(180deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.faq-answer-inner {
  padding: 0 26px 24px;
  font-size: 15px;
  color: var(--text-weak);
  line-height: 1.85;
  border-top: 1px solid var(--border);
  padding-top: 18px;
}
/* ===================== CTA ===================== */
.cta-block {
  background: linear-gradient(120deg, var(--primary), #0d9488);
  border-radius: 32px;
  padding: 60px 48px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-block::before {
  content: '';
  position: absolute;
  top: -60px;
  left: -60px;
  width: 200px;
  height: 200px;
  background: rgba(255,255,255,0.08);
  border-radius: 50%;
}
.cta-block::after {
  content: '';
  position: absolute;
  bottom: -80px;
  right: -40px;
  width: 280px;
  height: 280px;
  background: rgba(255,255,255,0.06);
  border-radius: 50%;
}
.cta-block .cta-content {
  position: relative;
  z-index: 2;
}
.cta-block h2 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 14px;
}
.cta-block p {
  font-size: 16px;
  opacity: 0.9;
  max-width: 560px;
  margin: 0 auto 28px;
}
.cta-block .btn-light:hover {
  color: var(--primary);
}
/* ===================== 页脚 ===================== */
.site-footer {
  background: var(--dark);
  color: #94a3b8;
  padding: 70px 0 30px;
  margin-top: 80px;
  border-radius: 32px 32px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-brand .brand-logo {
  color: #fff;
  margin-bottom: 18px;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: #64748b;
  max-width: 360px;
}
.footer-col h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 18px;
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col ul a {
  font-size: 14px;
  color: #94a3b8;
  transition: all var(--transition);
}
.footer-col ul a:hover {
  color: #5eead4;
  padding-left: 4px;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: #64748b;
}
.footer-bottom a {
  color: #94a3b8;
}
.footer-bottom a:hover {
  color: #5eead4;
}
/* ===================== 响应式 ===================== */
@media (max-width: 1024px) {
  .section { padding: 64px 0; }
  .nav-links a { padding: 7px 12px; font-size: 14px; }
  .brand-logo { font-size: 16px; }
  .page-banner { padding: 90px 0 80px; }
  .banner-title { font-size: 38px; }
  .page-banner .container { grid-template-columns: 1fr; }
  .banner-art { max-width: 480px; }
  .quick-grid { grid-template-columns: repeat(2, 1fr); }
  .step-wrap { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .step-card::after { display: none; }
  .help-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .site-header { top: 10px; padding: 0 16px; }
  .nav-dock { padding: 8px 16px; border-radius: 40px; }
  .nav-links {
    position: absolute;
    top: calc(100% + 12px);
    left: 0;
    right: 0;
    background: #fff;
    border-radius: 20px;
    box-shadow: var(--shadow-dark);
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    gap: 8px;
    display: none;
    border: 1px solid var(--border);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 16px; text-align: center; }
  .mobile-toggle { display: inline-flex; }
  .nav-cta .btn-ghost { display: none; }
  .section-title { font-size: 27px; }
  .page-banner { padding: 80px 0 70px; border-radius: 0 0 32px 32px; }
  .banner-title { font-size: 32px; }
  .banner-actions .btn { padding: 10px 22px; font-size: 14px; }
  .quick-grid { grid-template-columns: 1fr; gap: 16px; }
  .step-wrap { grid-template-columns: 1fr; gap: 16px; }
  .help-grid { gap: 32px; }
  .security-block { padding: 40px 24px; border-radius: 24px; }
  .security-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .stats-card .num { font-size: 32px; }
  .faq-question { padding: 18px 20px; font-size: 15px; }
  .faq-answer-inner { padding: 0 20px 20px; }
  .cta-block { padding: 44px 24px; border-radius: 24px; }
  .cta-block h2 { font-size: 25px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; align-items: center; text-align: center; }
}
@media (max-width: 520px) {
  .section { padding: 52px 0; }
  .section-title { font-size: 23px; }
  .brand-logo { font-size: 14px; gap: 6px; }
  .logo-icon { width: 30px; height: 30px; font-size: 14px; border-radius: 10px; }
  .nav-dock { gap: 8px; }
  .nav-cta { gap: 6px; }
  .mobile-toggle { width: 36px; height: 36px; font-size: 17px; }
  .page-banner { padding: 60px 0 56px; }
  .banner-title { font-size: 26px; }
  .banner-subtitle { font-size: 15px; }
  .banner-art img { height: 200px; }
  .quick-card { padding: 24px 18px; }
  .step-card { padding: 28px 20px; }
  .issue-item { padding: 16px; }
  .tips-card { padding: 20px; }
  .security-block { padding: 32px 18px; }
  .security-item { padding: 16px; }
  .stats-grid { grid-template-columns: 1fr; }
  .faq-question { padding: 16px; font-size: 14px; }
  .cta-block p { font-size: 14px; }
}