/* roulang page: index */
:root {
  --primary: #059669;
  --primary-dark: #047857;
  --primary-soft: #d1fae5;
  --ink-dark: #0f172a;
  --ink-body: #334155;
  --ink-muted: #64748b;
  --bg-soft: #f8fafc;
  --border-light: #e2e8f0;
  --radius-card: 1rem;
  --radius-pill: 999px;
  --shadow-card: 0 4px 24px rgba(15, 23, 42, .06);
  --shadow-hover: 0 12px 32px rgba(15, 23, 42, .12);
  --space-section: 5rem;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: ui-sans-serif, system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  background: var(--bg-soft);
  color: var(--ink-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color .25s ease; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; }

.container { max-width: 1200px; margin: 0 auto; padding-left: 1.25rem; padding-right: 1.25rem; }

/* 悬浮胶囊导航 */
.site-header {
  position: fixed;
  top: 1rem;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 2rem);
  max-width: 1200px;
  z-index: 50;
}
.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-radius: var(--radius-pill);
  border: 1px solid rgba(226, 232, 240, .8);
  box-shadow: 0 8px 30px rgba(15, 23, 42, .08);
  padding: .65rem 1.5rem;
  gap: 1rem;
}
.logo-brand {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--ink-dark);
  white-space: nowrap;
}
.logo-brand .logo-ico {
  width: 2.1rem;
  height: 2.1rem;
  border-radius: .6rem;
  background: linear-gradient(135deg, #10b981, #047857);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 900;
  font-size: 1rem;
  flex-shrink: 0;
  box-shadow: 0 4px 10px rgba(5, 150, 105, .35);
}
.nav-links { display: flex; align-items: center; gap: .25rem; }
.nav-links a {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .5rem 1.1rem;
  border-radius: var(--radius-pill);
  font-size: .92rem;
  font-weight: 600;
  color: var(--ink-muted);
  transition: all .25s ease;
}
.nav-links a:hover { color: var(--primary); background: var(--primary-soft); }
.nav-links a.active { color: var(--primary); background: var(--primary-soft); }
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  background: var(--primary);
  color: #fff !important;
  font-weight: 600;
  font-size: .9rem;
  padding: .55rem 1.35rem;
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 14px rgba(5, 150, 105, .3);
  transition: all .25s ease;
}
.nav-cta:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 8px 20px rgba(5, 150, 105, .35); }
.nav-toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: .7rem;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 1.1rem;
  align-items: center;
  justify-content: center;
  transition: background .25s;
}
.nav-toggle:hover { background: #a7f3d0; }
.mobile-menu {
  display: none;
  margin-top: .6rem;
  background: rgba(255, 255, 255, .97);
  border-radius: 1.25rem;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-hover);
  padding: 1rem;
}
.mobile-menu a {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .8rem 1rem;
  border-radius: .8rem;
  font-weight: 600;
  font-size: .95rem;
  color: var(--ink-body);
  transition: all .2s ease;
}
.mobile-menu a:hover { background: var(--primary-soft); color: var(--primary); }
.mobile-menu a.active { background: var(--primary-soft); color: var(--primary); }
.mobile-menu.open { display: block; }

/* 按钮 */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  font-size: .95rem;
  padding: .8rem 2rem;
  border-radius: var(--radius-pill);
  box-shadow: 0 6px 20px rgba(5, 150, 105, .32);
  transition: all .28s ease;
  border: 1px solid transparent;
}
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-3px); box-shadow: 0 12px 28px rgba(5, 150, 105, .38); }
.btn-primary:active { transform: translateY(0); box-shadow: 0 4px 12px rgba(5, 150, 105, .25); }
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: transparent;
  color: var(--ink-dark);
  font-weight: 600;
  font-size: .95rem;
  padding: .8rem 2rem;
  border-radius: var(--radius-pill);
  border: 1.5px solid var(--border-light);
  background: rgba(255,255,255,.8);
  transition: all .28s ease;
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-3px); box-shadow: 0 8px 24px rgba(15,23,42,.08); }
.btn-outline-white {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: rgba(255,255,255,.15);
  color: #fff;
  font-weight: 600;
  font-size: .95rem;
  padding: .8rem 2rem;
  border-radius: var(--radius-pill);
  border: 1.5px solid rgba(255,255,255,.5);
  backdrop-filter: blur(4px);
  transition: all .28s ease;
}
.btn-outline-white:hover { background: rgba(255,255,255,.28); transform: translateY(-3px); }

/* 区块 */
.section { padding-top: var(--space-section); padding-bottom: var(--space-section); }
.section-head { max-width: 640px; margin: 0 auto 3rem; text-align: center; }
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: .8rem;
  font-weight: 700;
  padding: .35rem 1rem;
  border-radius: var(--radius-pill);
  margin-bottom: 1rem;
  letter-spacing: .05em;
}
.section-title {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 800;
  color: var(--ink-dark);
  line-height: 1.25;
  letter-spacing: -.01em;
}
.section-sub { margin-top: .9rem; font-size: .98rem; color: var(--ink-muted); }

/* 卡片 */
.feature-card {
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-card);
  padding: 1.8rem 1.6rem;
  transition: all .3s ease;
  box-shadow: var(--shadow-card);
  height: 100%;
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: #a7f3d0;
}
.feature-card .f-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3.2rem;
  height: 3.2rem;
  border-radius: .9rem;
  font-size: 1.35rem;
  color: #fff;
  margin-bottom: 1.2rem;
  box-shadow: 0 6px 14px rgba(5, 150, 105, .25);
}
.feature-card h3 { font-size: 1.08rem; font-weight: 700; color: var(--ink-dark); margin-bottom: .45rem; }
.feature-card p { font-size: .92rem; color: var(--ink-muted); line-height: 1.65; }

/* 信息卡片 */
.info-card {
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-card);
  padding: 1.5rem 1.5rem;
  transition: all .3s ease;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: .4rem;
}
.info-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: #a7f3d0;
}
.info-card .meta-row {
  display: flex;
  align-items: center;
  gap: .5rem;
  flex-wrap: wrap;
  margin-bottom: .1rem;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: .74rem;
  font-weight: 700;
  padding: .22rem .7rem;
  border-radius: var(--radius-pill);
  letter-spacing: .02em;
}
.badge-soft {
  background: #f1f5f9;
  color: var(--ink-muted);
}
.info-card .card-date {
  font-size: .82rem;
  color: var(--ink-muted);
  display: flex;
  align-items: center;
  gap: .35rem;
}
.info-card h3 {
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--ink-dark);
  line-height: 1.45;
  margin: .15rem 0;
  transition: color .2s;
}
.info-card:hover h3 { color: var(--primary); }
.info-card p {
  font-size: .88rem;
  color: var(--ink-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 统计块 */
.stat-block { text-align: center; color: #fff; }
.stat-block .stat-num {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.02em;
}
.stat-block .stat-label { opacity: .9; font-size: .88rem; margin-top: .3rem; font-weight: 500; }

/* 步骤 */
.step-item { position: relative; text-align: center; padding: 0 1rem; }
.step-dot {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 4.2rem;
  height: 4.2rem;
  margin: 0 auto 1.2rem;
  border-radius: 1.4rem;
  background: #fff;
  border: 2px solid var(--primary);
  color: var(--primary);
  font-size: 1.5rem;
  font-weight: 800;
  box-shadow: 0 8px 20px rgba(5, 150, 105, .15);
  transition: all .3s ease;
}
.step-item:hover .step-dot { background: var(--primary); color: #fff; transform: translateY(-4px); box-shadow: 0 12px 28px rgba(5, 150, 105, .3); }
.step-item h3 { font-weight: 700; color: var(--ink-dark); font-size: 1.05rem; margin-bottom: .35rem; }
.step-item p { font-size: .88rem; color: var(--ink-muted); max-width: 240px; margin: 0 auto; }

/* FAQ */
.faq-item {
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: 1rem;
  margin-bottom: .9rem;
  overflow: hidden;
  transition: all .25s ease;
  box-shadow: 0 2px 10px rgba(15,23,42,.03);
}
.faq-item:hover { border-color: #a7f3d0; box-shadow: var(--shadow-card); }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  font-weight: 700;
  font-size: .98rem;
  color: var(--ink-dark);
  transition: color .2s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--primary); }
.faq-item summary .faq-ico {
  flex-shrink: 0;
  width: 1.8rem;
  height: 1.8rem;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: .8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform .3s ease;
}
.faq-item details[open] summary .faq-ico { transform: rotate(45deg); }
.faq-item .faq-body { padding: 0 1.5rem 1.25rem; font-size: .92rem; color: var(--ink-muted); line-height: 1.7; }

/* CTA */
.cta-wrap {
  position: relative;
  border-radius: 2rem;
  overflow: hidden;
  background: linear-gradient(135deg, #065f46, #047857);
  padding: 4rem 2rem;
  text-align: center;
  color: #fff;
  box-shadow: 0 24px 60px rgba(5, 150, 105, .25);
}
.cta-wrap h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); font-weight: 800; }
.cta-wrap p { opacity: .9; max-width: 560px; margin: .9rem auto 1.8rem; font-size: .98rem; }

/* 页脚 */
.site-footer { background: #0f172a; color: #94a3b8; padding-top: 4rem; padding-bottom: 2rem; }
.site-footer a { color: #94a3b8; transition: color .2s; }
.site-footer a:hover { color: #10b981; }
.footer-brand { font-size: 1.15rem; font-weight: 800; color: #fff; display: flex; align-items: center; gap: .6rem; margin-bottom: 1rem; }
.footer-link-title { font-size: .82rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: #e2e8f0; margin-bottom: 1rem; }
.footer-links a { display: flex; align-items: center; gap: .45rem; font-size: .9rem; padding: .4rem 0; }
.copyright {
  border-top: 1px solid rgba(148, 163, 184, .2);
  margin-top: 3rem;
  padding-top: 1.75rem;
  font-size: .82rem;
  color: #64748b;
  text-align: center;
}

/* 响应式 */
@media (max-width: 980px) {
  :root { --space-section: 4rem; }
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: inline-flex; }
  .site-header { top: .6rem; }
  .nav-shell { border-radius: 1.25rem; }
}
@media (max-width: 640px) {
  :root { --space-section: 3.4rem; }
  .container { padding-left: 1rem; padding-right: 1rem; }
  .feature-card, .info-card { padding: 1.3rem 1.1rem; }
  .cta-wrap { padding: 3rem 1.2rem; }
}

/* roulang page: category1 */
:root {
      --c-primary: #10b981;
      --c-primary-deep: #059669;
      --c-secondary: #0f766e;
      --c-ink: #0f172a;
      --c-bg: #f8fafc;
      --c-surface: #ffffff;
      --c-muted: #64748b;
      --c-border: #e2e8f0;
      --radius: 1rem;
      --radius-sm: .75rem;
      --shadow: 0 8px 30px rgba(2, 6, 23, .06);
      --shadow-lg: 0 20px 50px rgba(2, 6, 23, .12);
      --space: 3.5rem;
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      font-family: ui-sans-serif, system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      background: var(--c-bg);
      color: var(--c-ink);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }
    a {
      text-decoration: none;
      color: inherit;
    }
    img {
      max-width: 100%;
      display: block;
    }
    button {
      border: none;
      background: none;
      cursor: pointer;
    }
    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 1.25rem;
    }
    /* ---- 导航 ---- */
    .navbar {
      position: sticky;
      top: 1rem;
      z-index: 50;
      padding: .5rem 0;
    }
    .nav-shell {
      max-width: 1200px;
      margin: 0 auto;
      display: flex;
      align-items: center;
      gap: 1rem;
      background: rgba(255, 255, 255, .82);
      backdrop-filter: blur(16px);
      border: 1px solid rgba(226, 232, 240, .8);
      border-radius: 999px;
      padding: .55rem .85rem .55rem 1.1rem;
      box-shadow: 0 6px 24px rgba(2, 6, 23, .07);
      position: relative;
      width: calc(100% - 2rem);
      margin-left: auto;
      margin-right: auto;
    }
    .logo-brand {
      display: flex;
      align-items: center;
      gap: .6rem;
      font-weight: 800;
      font-size: 1.05rem;
      letter-spacing: -.01em;
      color: #0f172a;
      white-space: nowrap;
    }
    .logo-ico {
      width: 2.1rem;
      height: 2.1rem;
      border-radius: .65rem;
      background: linear-gradient(135deg, #10b981, #047857);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: .95rem;
      flex-shrink: 0;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: .4rem;
      margin-left: 1rem;
      flex: 1;
    }
    .nav-links a {
      display: flex;
      align-items: center;
      gap: .4rem;
      padding: .45rem 1.1rem;
      border-radius: 999px;
      font-size: .92rem;
      font-weight: 500;
      color: #475569;
      transition: all .2s;
    }
    .nav-links a:hover {
      background: #f0fdf4;
      color: #059669;
    }
    .nav-links a.active {
      background: #059669;
      color: #fff;
      box-shadow: 0 4px 14px rgba(5, 150, 105, .3);
    }
    .nav-cta {
      display: inline-flex;
      align-items: center;
      gap: .4rem;
      padding: .5rem 1.3rem;
      border-radius: 999px;
      background: linear-gradient(135deg, #10b981, #0d9488);
      color: #fff;
      font-size: .88rem;
      font-weight: 600;
      box-shadow: 0 4px 14px rgba(16, 185, 129, .3);
      transition: all .25s;
      white-space: nowrap;
    }
    .nav-cta:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(16, 185, 129, .4);
    }
    .nav-toggle {
      display: none;
      width: 2.4rem;
      height: 2.4rem;
      align-items: center;
      justify-content: center;
      border-radius: 999px;
      background: #f1f5f9;
      color: #334155;
      font-size: 1rem;
      transition: all .2s;
      margin-left: auto;
    }
    .nav-toggle:hover {
      background: #e2e8f0;
    }
    @media (max-width: 768px) {
      .navbar {
        top: .5rem;
      }
      .nav-shell {
        border-radius: 1.25rem;
        flex-wrap: wrap;
        padding: .65rem 1rem;
      }
      .nav-links {
        order: 3;
        flex-basis: 100%;
        display: none;
        flex-direction: column;
        gap: .4rem;
        margin-left: 0;
        padding: .6rem 0 .4rem;
        border-top: 1px solid #f1f5f9;
      }
      .nav-links.open {
        display: flex;
      }
      .nav-links a {
        width: 100%;
        justify-content: center;
        padding: .6rem 1rem;
      }
      .nav-cta {
        margin-left: auto;
        font-size: .8rem;
        padding: .4rem .9rem;
      }
      .nav-toggle {
        display: flex;
      }
      .logo-brand {
        font-size: .95rem;
      }
      .logo-brand .logo-ico {
        width: 1.9rem;
        height: 1.9rem;
      }
    }
    /* ---- 通用板块 ---- */
    .section {
      padding: 4rem 0;
    }
    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: .4rem;
      background: #ecfdf5;
      color: #047857;
      border: 1px solid #a7f3d0;
      padding: .3rem 1rem;
      border-radius: 999px;
      font-size: .8rem;
      font-weight: 600;
      letter-spacing: .04em;
      margin-bottom: 1rem;
    }
    .section-title {
      font-size: 2rem;
      font-weight: 800;
      line-height: 1.3;
      letter-spacing: -.02em;
      color: #0f172a;
      margin-bottom: .6rem;
    }
    .section-desc {
      font-size: 1rem;
      color: #64748b;
      max-width: 640px;
      line-height: 1.7;
    }
    @media (max-width: 768px) {
      .section-title {
        font-size: 1.55rem;
      }
      .section {
        padding: 3rem 0;
      }
    }
    /* ---- 卡片 ---- */
    .guide-card {
      background: #fff;
      border: 1px solid #e2e8f0;
      border-radius: 1.25rem;
      padding: 1.8rem;
      box-shadow: 0 4px 16px rgba(2, 6, 23, .04);
      transition: all .3s;
      height: 100%;
    }
    .guide-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 16px 40px rgba(2, 6, 23, .1);
      border-color: #6ee7b7;
    }
    .icon-block {
      width: 3rem;
      height: 3rem;
      border-radius: .85rem;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
      color: #fff;
      margin-bottom: 1.1rem;
    }
    .step-item {
      display: flex;
      gap: 1.2rem;
      padding: 1.5rem 0;
      border-bottom: 1px dashed #e2e8f0;
    }
    .step-item:last-child {
      border-bottom: none;
    }
    .step-num {
      width: 2.5rem;
      height: 2.5rem;
      border-radius: 999px;
      background: #ecfdf5;
      color: #059669;
      font-weight: 800;
      font-size: .95rem;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      border: 1px solid #a7f3d0;
    }
    .faq-item {
      background: #fff;
      border: 1px solid #e2e8f0;
      border-radius: 1rem;
      padding: 1.3rem 1.5rem;
      transition: all .25s;
    }
    .faq-item:hover {
      border-color: #6ee7b7;
      box-shadow: 0 8px 24px rgba(2, 6, 23, .06);
    }
    .article-item {
      display: flex;
      gap: 1.2rem;
      align-items: center;
      padding: 1rem;
      border-radius: 1rem;
      background: #fff;
      border: 1px solid #e2e8f0;
      transition: all .25s;
    }
    .article-item:hover {
      transform: translateX(4px);
      border-color: #6ee7b7;
      box-shadow: 0 8px 20px rgba(2, 6, 23, .08);
    }
    /* ---- 页脚 ---- */
    .site-footer {
      background: #0f172a;
      color: #e2e8f0;
      padding: 3.5rem 0 2rem;
      margin-top: 2rem;
    }
    .footer-brand {
      display: flex;
      align-items: center;
      gap: .6rem;
      font-weight: 700;
      font-size: 1.05rem;
      color: #f1f5f9;
      margin-bottom: .8rem;
    }
    .footer-link-title {
      font-size: .85rem;
      font-weight: 600;
      color: #94a3b8;
      margin-bottom: .9rem;
      letter-spacing: .05em;
      text-transform: uppercase;
    }
    .footer-links {
      display: flex;
      flex-direction: column;
      gap: .5rem;
    }
    .footer-links a {
      color: #cbd5e1;
      font-size: .9rem;
      display: inline-flex;
      align-items: center;
      gap: .4rem;
      transition: all .2s;
    }
    .footer-links a:hover {
      color: #34d399;
      padding-left: 4px;
    }
    .copyright {
      border-top: 1px solid rgba(225, 225, 225, .1);
      margin-top: 2.5rem;
      padding-top: 1.5rem;
      text-align: center;
      font-size: .85rem;
      color: #94a3b8;
    }
    a:focus-visible,
    button:focus-visible {
      outline: 3px solid #6ee7b7;
      outline-offset: 2px;
    }

/* roulang page: article */
:root{
  --c-primary:#059669;
  --c-primary-deep:#047857;
  --c-primary-dark:#064e3b;
  --c-accent:#f59e0b;
  --c-bg:#f8fafc;
  --c-card:#ffffff;
  --c-text:#0f172a;
  --c-muted:#64748b;
  --c-border:#e2e8f0;
  --radius-lg:1.5rem;
  --radius-md:.9rem;
  --shadow-card:0 12px 32px rgba(2,44,34,.08);
  --shadow-hover:0 18px 46px rgba(2,44,34,.14);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'PingFang SC','Microsoft YaHei','Hiragino Sans GB','Noto Sans SC',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  background:var(--c-bg);
  color:var(--c-text);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  margin:0;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
button,input,textarea{font-family:inherit}

.container-article{width:min(1200px, calc(100% - 2rem));margin-inline:auto}
.rel-z{position:relative;z-index:10}

/* ===== 导航 ===== */
.nav-shell{
  position:fixed;top:18px;left:50%;transform:translateX(-50%);
  width:min(1180px, calc(100% - 2rem));
  z-index:1000;
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border:1px solid rgba(226,232,240,.9);
  border-radius:999px;
  padding:.6rem .7rem .6rem 1rem;
  box-shadow:0 10px 34px rgba(2,44,34,.1);
}
.logo-brand{display:flex;align-items:center;gap:.55rem;font-weight:800;font-size:1.02rem;color:var(--c-text);white-space:nowrap;transition:opacity .25s}
.logo-brand:hover{opacity:.88}
.logo-ico{
  width:2.15rem;height:2.15rem;border-radius:.65rem;flex:none;
  background:linear-gradient(135deg,#10b981,#047857);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:.95rem;
  box-shadow:0 5px 14px rgba(4,120,87,.32);
}
.nav-links{display:flex;align-items:center;gap:.3rem}
.nav-links a{
  padding:.5rem .9rem;border-radius:999px;font-weight:500;font-size:.92rem;
  color:#334155;display:inline-flex;align-items:center;gap:.3rem;
  transition:all .25s ease;
}
.nav-links a i{font-size:.85rem}
.nav-links a:hover{background:#ecfdf5;color:var(--c-primary-deep)}
.nav-links a.active{
  background:linear-gradient(135deg,#10b981,#059669);
  color:#fff;font-weight:600;
  box-shadow:0 6px 18px rgba(16,185,129,.34);
}
.nav-cta{
  display:inline-flex;align-items:center;gap:.45rem;white-space:nowrap;
  background:linear-gradient(135deg,#fbbf24,#f59e0b);
  color:#78350f;font-weight:700;font-size:.9rem;
  padding:.6rem 1.25rem;border-radius:999px;
  box-shadow:0 8px 20px rgba(245,158,11,.32);
  transition:all .3s ease;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(245,158,11,.42)}
.nav-toggle{
  display:none;align-items:center;justify-content:center;width:2.6rem;height:2.6rem;flex:none;
  border-radius:999px;border:0;cursor:pointer;font-size:1.05rem;color:#fff;
  background:linear-gradient(135deg,#10b981,#047857);
  box-shadow:0 6px 16px rgba(4,120,87,.3);
  transition:all .3s ease;
}
.nav-toggle:hover{transform:translateY(-2px)}
@media(max-width:768px){
  .nav-toggle{display:flex}
  .nav-links{
    position:absolute;top:calc(100% + .8rem);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:.35rem;
    background:rgba(255,255,255,.98);
    border:1px solid var(--c-border);
    border-radius:1.25rem;padding:1rem;
    box-shadow:0 20px 50px rgba(2,44,34,.16);
    display:none;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:.8rem 1rem;border-radius:.8rem}
  .nav-cta{display:none}
}

/* ===== 顶部 banner ===== */
.article-banner{position:relative;padding:9.5rem 0 3.8rem;background:#022c22;overflow:hidden;color:#fff}
.banner-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.24}
.banner-overlay{position:absolute;inset:0;background:linear-gradient(115deg,rgba(2,44,34,.94) 0%,rgba(4,120,87,.58) 55%,rgba(2,44,34,.78) 100%)}
.breadcrumb{display:flex;align-items:center;gap:.65rem;font-size:.9rem;color:rgba(255,255,255,.75);margin-bottom:1.4rem;flex-wrap:wrap}
.breadcrumb a{color:rgba(255,255,255,.85);display:inline-flex;align-items:center;gap:.4rem;transition:color .25s}
.breadcrumb a:hover{color:#fff}
.breadcrumb .arrow{font-size:.7rem;opacity:.6}
.article-banner h1{font-size:clamp(1.55rem,3.2vw,2.5rem);line-height:1.36;font-weight:800;max-width:860px;margin:0;letter-spacing:.01em}
.banner-meta{display:flex;flex-wrap:wrap;gap:.9rem 1.5rem;margin-top:1.5rem;color:rgba(255,255,255,.85);font-size:.92rem}
.banner-meta span{display:inline-flex;align-items:center;gap:.45rem}
.banner-meta i{color:#6ee7b7;font-size:.9rem}

/* ===== 主内容区 ===== */
.article-main{padding:3.5rem 0 4.5rem;background:linear-gradient(180deg,#f8fafc,#f0fdf4)}
.article-card{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--radius-lg);
  padding:2.4rem;box-shadow:var(--shadow-card);
}
.article-prose{font-size:1.02rem;line-height:1.95;color:#334155;word-wrap:break-word}
.article-prose p{margin:0 0 1.4rem}
.article-prose h2{font-size:1.4rem;font-weight:800;color:var(--c-text);margin:2.3rem 0 1.05rem;padding-left:1rem;border-left:4px solid var(--c-primary);line-height:1.4}
.article-prose h3{font-size:1.18rem;font-weight:700;color:var(--c-text);margin:1.8rem 0 .8rem}
.article-prose ul,.article-prose ol{margin:1rem 0 1.5rem;padding-left:1.4rem}
.article-prose ul{list-style:disc}
.article-prose ol{list-style:decimal}
.article-prose li{margin-bottom:.55rem}
.article-prose a{color:var(--c-primary-deep);font-weight:600;border-bottom:1px dashed #10b981}
.article-prose blockquote{border-left:4px solid var(--c-accent);background:#fffbeb;padding:.95rem 1.15rem;border-radius:0 1rem 1rem 0;color:#92400e;margin:1.5rem 0}
.article-prose img{border-radius:1rem;margin:1.4rem 0;box-shadow:var(--shadow-card)}
.article-prose table{width:100%;border-collapse:collapse;margin:1.4rem 0}
.article-prose th,.article-prose td{border:1px solid var(--c-border);padding:.65rem .85rem;text-align:left}
.article-prose th{background:#f0fdf4;font-weight:700}
.article-tags{display:flex;flex-wrap:wrap;gap:.6rem;margin:2rem 0 0;padding-top:1.6rem;border-top:1px dashed var(--c-border)}
.tag-chip{display:inline-flex;align-items:center;gap:.35rem;background:#f0fdf4;color:#047857;font-size:.82rem;font-weight:600;padding:.35rem .8rem;border-radius:999px;border:1px solid #a7f3d0}
.article-foot{display:flex;align-items:center;justify-content:space-between;gap:1.2rem;flex-wrap:wrap;margin-top:2rem;padding-top:1.4rem;border-top:1px solid var(--c-border)}
.article-foot p{display:flex;align-items:center;gap:.5rem;color:var(--c-muted);font-size:.88rem;margin:0}
.article-foot p i{color:var(--c-primary)}
.af-btns{display:flex;gap:.7rem;flex-wrap:wrap}

/* ===== 按钮 ===== */
.btn-primary{
  display:inline-flex;align-items:center;gap:.5rem;
  background:linear-gradient(135deg,#10b981,#059669);
  color:#fff;font-weight:700;font-size:.92rem;
  padding:.78rem 1.55rem;border-radius:999px;
  box-shadow:0 10px 24px rgba(16,185,129,.32);
  transition:all .3s ease;border:0;cursor:pointer;
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 34px rgba(16,185,129,.42)}
.btn-primary:focus-visible{outline:3px solid #6ee7b7;outline-offset:2px}
.btn-soft{
  display:inline-flex;align-items:center;gap:.5rem;
  background:#ecfdf5;color:#047857;font-weight:700;font-size:.9rem;
  padding:.75rem 1.4rem;border-radius:999px;border:1px solid #a7f3d0;
  transition:all .3s ease;cursor:pointer;
}
.btn-soft:hover{background:#d1fae5;color:#065f46;transform:translateY(-2px)}
.btn-soft:focus-visible{outline:3px solid #6ee7b7;outline-offset:2px}

/* ===== 侧边栏 ===== */
.side-card{background:#fff;border:1px solid var(--c-border);border-radius:1.35rem;padding:1.6rem;box-shadow:0 10px 28px rgba(2,44,34,.06);margin-bottom:1.5rem}
.side-title{display:flex;align-items:center;gap:.55rem;font-weight:800;font-size:1.02rem;margin-bottom:1rem;color:var(--c-text)}
.side-title .ico{width:2.1rem;height:2.1rem;border-radius:.65rem;display:flex;align-items:center;justify-content:center;color:#fff;font-size:.88rem;flex:none}
.side-text{color:var(--c-muted);font-size:.9rem;line-height:1.8;margin:0}
.mini-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:.8rem;margin-top:1.1rem;padding-top:1.1rem;border-top:1px dashed var(--c-border)}
.mini-stats div{text-align:center;background:#f0fdf4;border-radius:.85rem;padding:.75rem .4rem}
.mini-stats span{display:block;font-weight:800;font-size:1.1rem;color:#047857;line-height:1.2}
.mini-stats div{font-size:.78rem;color:var(--c-muted)}
.step-list{list-style:none;margin:0 0 1.2rem;padding:0;counter-reset:step}
.step-list li{display:flex;gap:.85rem;align-items:flex-start;padding:.75rem 0;border-bottom:1px dashed var(--c-border)}
.step-list li:last-child{border-bottom:0}
.step-num{flex:0 0 1.9rem;height:1.9rem;border-radius:999px;background:#ecfdf5;color:#059669;font-weight:700;font-size:.85rem;display:flex;align-items:center;justify-content:center;margin-top:.15rem}
.step-list strong{font-size:.92rem;color:var(--c-text);display:block}
.step-desc{font-size:.82rem;color:var(--c-muted);line-height:1.6;margin:.15rem 0 0}
.side-warn{background:#fffbeb}
.side-warn .side-text{color:#78350f}

/* ===== 内容未找到 ===== */
.not-found-card{background:#fff;border:1px solid var(--c-border);border-radius:var(--radius-lg);padding:4rem 2rem;text-align:center;box-shadow:var(--shadow-card)}
.nf-badge{width:4.6rem;height:4.6rem;margin:0 auto 1.4rem;border-radius:1.4rem;background:#ecfdf5;color:#059669;font-size:2rem;display:flex;align-items:center;justify-content:center}
.not-found-card h2{font-size:1.6rem;font-weight:800;margin:0 0 .6rem}
.not-found-card p{color:var(--c-muted);margin:0 0 1.6rem}

/* ===== 延伸阅读 ===== */
.related-sec{padding:4.5rem 0;background:#fff;border-top:1px solid var(--c-border);border-bottom:1px solid var(--c-border)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:1rem;flex-wrap:wrap;margin-bottom:2.4rem}
.section-head.center{flex-direction:column;align-items:center;text-align:center}
.section-badge{display:inline-flex;align-items:center;gap:.5rem;background:#d1fae5;color:#047857;font-weight:700;font-size:.84rem;padding:.4rem 1rem;border-radius:999px;margin-bottom:.7rem}
.section-title{font-size:clamp(1.4rem,2.6vw,1.95rem);font-weight:800;margin:0;color:var(--c-text);line-height:1.35}
.more-link{display:inline-flex;align-items:center;gap:.5rem;color:var(--c-primary-deep);font-weight:600;font-size:.9rem;transition:gap .25s}
.more-link:hover{gap:.85rem;color:var(--c-primary-dark)}
.rel-card{
  display:block;background:#fff;border:1px solid var(--c-border);border-radius:1.25rem;overflow:hidden;
  box-shadow:0 8px 24px rgba(2,44,34,.05);transition:all .3s ease;
}
.rel-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:#a7f3d0}
.rel-cover{height:168px;background-size:cover;background-position:center;position:relative}
.rel-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(2,44,34,0) 40%,rgba(2,44,34,.35) 100%)}
.rel-tag{position:absolute;top:1rem;left:1rem;z-index:2;background:rgba(255,255,255,.92);color:#047857;font-size:.78rem;font-weight:700;padding:.32rem .8rem;border-radius:999px;backdrop-filter:blur(4px)}
.rel-body{padding:1.3rem 1.35rem 1.4rem}
.rel-body h3{font-size:1.02rem;font-weight:700;color:var(--c-text);margin:0 0 .45rem;line-height:1.5}
.rel-body p{font-size:.84rem;color:var(--c-muted);margin:0 0 .85rem;line-height:1.65}
.rel-more{display:inline-flex;align-items:center;gap:.4rem;font-size:.82rem;font-weight:700;color:var(--c-primary)}
.rel-card:hover .rel-more{gap:.7rem}

/* ===== CTA ===== */
.cta-wrap{padding:4.5rem 0;background:linear-gradient(180deg,#f8fafc,#ecfdf5)}
.cta-band{position:relative;border-radius:2rem;overflow:hidden;padding:3.4rem 2rem;text-align:center;color:#fff;background:linear-gradient(135deg,#064e3b,#047857);box-shadow:0 24px 60px rgba(4,120,87,.3)}
.cta-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.16}
.cta-inner{position:relative;z-index:2;max-width:720px;margin:0 auto}
.cta-tag{display:inline-flex;align-items:center;gap:.5rem;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.25);padding:.4rem 1rem;border-radius:999px;font-size:.84rem;font-weight:600;margin-bottom:1.2rem}
.cta-band h2{font-size:clamp(1.45rem,2.8vw,2.1rem);font-weight:800;margin:0 0 .9rem}
.cta-band p{color:#d1fae5;font-size:.98rem;margin:0 auto 1.8rem;max-width:560px;line-height:1.8}
.cta-btns{display:flex;gap:.9rem;justify-content:center;flex-wrap:wrap}
.btn-white{
  display:inline-flex;align-items:center;gap:.5rem;background:#fff;color:#065f46;font-weight:700;
  padding:.8rem 1.6rem;border-radius:999px;box-shadow:0 12px 28px rgba(0,0,0,.16);transition:all .3s ease;
}
.btn-white:hover{transform:translateY(-3px);box-shadow:0 18px 36px rgba(0,0,0,.2)}
.btn-outline{
  display:inline-flex;align-items:center;gap:.5rem;border:2px solid rgba(255,255,255,.55);color:#fff;font-weight:700;
  padding:.74rem 1.5rem;border-radius:999px;transition:all .3s ease;
}
.btn-outline:hover{background:rgba(255,255,255,.12);transform:translateY(-3px);border-color:#fff}
.btn-white:focus-visible,.btn-outline:focus-visible{outline:3px solid #6ee7b7;outline-offset:3px}

/* ===== FAQ ===== */
.faq-sec{padding:4.5rem 0;background:#fff}
.faq-list{max-width:860px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--c-border);border-radius:1.25rem;margin-bottom:1rem;overflow:hidden;box-shadow:0 6px 20px rgba(2,44,34,.05);transition:border-color .3s,box-shadow .3s}
.faq-item:hover{border-color:#a7f3d0;box-shadow:0 12px 30px rgba(4,120,87,.1)}
.faq-item summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1.2rem 1.5rem;cursor:pointer;font-weight:700;font-size:.98rem;color:var(--c-text)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i{color:var(--c-primary);transition:transform .3s ease}
.faq-item[open] summary i{transform:rotate(180deg)}
.faq-a{padding:0 1.5rem 1.3rem;color:var(--c-muted);font-size:.92rem;line-height:1.85;border-top:1px dashed var(--c-border);margin:0 1.5rem 0;padding-left:0;padding-right:0}
.faq-a p{margin:1rem 0 0}

/* ===== 页脚 ===== */
.site-footer{background:#022c22;color:#d1fae5;padding:4rem 0 2rem}
.footer-brand{display:flex;align-items:center;gap:.7rem;font-size:1.2rem;font-weight:800;color:#fff;margin-bottom:1rem}
.footer-link-title{font-weight:700;color:#fff;margin-bottom:1rem;display:flex;align-items:center}
.footer-links{display:flex;flex-direction:column;gap:.55rem}
.footer-links a{opacity:.82;transition:all .25s ease;color:#d1fae5;display:inline-flex;align-items:center;gap:.4rem;font-size:.9rem}
.footer-links a:hover{opacity:1;color:#fff;padding-left:.35rem}
.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:3rem;padding-top:1.5rem;text-align:center;font-size:.88rem;color:#99f6e4;opacity:.85}

/* ===== 响应式 ===== */
@media(max-width:1024px){
  .article-main{padding:3rem 0 3.8rem}
  .article-card{padding:2rem}
}
@media(max-width:768px){
  .banner-meta{gap:.7rem 1.2rem}
  .article-banner{padding:8.2rem 0 3rem}
  .article-card{padding:1.5rem;border-radius:1.25rem}
  .article-prose{font-size:.98rem}
  .cta-band{padding:2.6rem 1.4rem;border-radius:1.5rem}
  .mini-stats{gap:.5rem}
  .related-sec,.faq-sec,.cta-wrap{padding:3.4rem 0}
}
@media(max-width:520px){
  .article-card{padding:1.15rem}
  .article-prose h2{font-size:1.22rem}
  .article-prose h3{font-size:1.08rem}
  .af-btns .btn-primary,.af-btns .btn-soft{width:100%;justify-content:center}
  .banner-meta{font-size:.84rem}
  .side-card{padding:1.25rem}
  .rel-cover{height:140px}
  .footer-links{font-size:.88rem}
  .section-head{flex-direction:column;align-items:flex-start}
}