/* roulang page: index */
:root {
  --primary: #1E7A4C;
  --primary-deep: #155C39;
  --primary-light: #E3F2E9;
  --accent: #F47A20;
  --accent-deep: #D96311;
  --bg: #F7F6F2;
  --card-bg: #FFFFFF;
  --ink: #1A2B22;
  --body: #3E4F45;
  --muted: #6E7C74;
  --border: #E4E9E5;
  --deep: #14231B;
  --radius-lg: 24px;
  --radius-md: 16px;
  --shadow-sm: 0 1px 2px rgba(20, 35, 27, 0.05);
  --shadow-lg: 0 12px 32px rgba(20, 35, 27, 0.10);
  --max-width: 1200px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: Inter, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--body);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .15s ease, background-color .15s ease, box-shadow .15s ease, transform .15s ease; }
a:hover { color: var(--accent); }
button, input, textarea { font-family: inherit; }
button { cursor: pointer; border: none; background: none; }
input, textarea { outline: none; }
section { position: relative; }
.container { max-width: var(--max-width); margin-inline: auto; padding-inline: 24px; }

.section-space { padding: 96px 0; }
.section-space-sm { padding: 72px 0; }

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .14em;
  color: var(--primary);
  text-transform: uppercase;
}
.section-title {
  font-size: 32px;
  line-height: 1.3;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.02em;
  margin-top: 12px;
}
.section-title .orange-bar { display: block; width: 36px; height: 4px; background: var(--accent); border-radius: 99px; margin-bottom: 16px; }
.section-lead { max-width: 720px; margin-top: 12px; color: var(--muted); }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 10px; min-height: 48px; padding: 0 28px; border-radius: 999px;
  font-weight: 600; font-size: 15px; line-height: 1.2;
  transition: all .18s ease; border: 1.5px solid transparent;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-deep); color: #fff; transform: translateY(-1px); box-shadow: 0 10px 22px rgba(30, 122, 76, .22); }
.btn-primary:active { transform: translateY(0); box-shadow: none; }
.btn-outline { background: transparent; border-color: var(--primary); color: var(--primary); }
.btn-outline:hover { background: var(--primary-light); color: var(--primary-deep); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-deep); color: #fff; transform: translateY(-1px); box-shadow: 0 12px 26px rgba(244, 122, 32, .26); }
.btn-accent:active { transform: translateY(0); }
.btn-lg { min-height: 52px; padding: 0 32px; }

/* ===== 悬浮胶囊导航 ===== */
.nav-blur {
  background: rgba(247, 246, 242, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(30, 122, 76, .18);
  border-radius: 999px;
  box-shadow: 0 8px 24px rgba(20, 35, 27, .06);
}
.site-nav {
  max-width: 1180px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 8px 18px 8px 20px;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 17px; font-weight: 800; color: var(--ink);
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.brand:hover { color: var(--primary-deep); }
.brand-mark {
  width: 38px; height: 38px; flex: none;
  background: var(--primary); border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff; position: relative;
  box-shadow: 0 4px 10px rgba(30, 122, 76, .24);
}
.brand-mark svg { width: 22px; height: 22px; }
.nav-links { display: flex; align-items: center; gap: 2px; }
.nav-link {
  display: inline-flex; align-items: center;
  min-height: 40px; padding: 0 15px;
  border-radius: 999px;
  color: #3E4F45;
  font-size: 14.5px; font-weight: 500;
}
.nav-link:hover { color: var(--primary); background: rgba(30, 122, 76, .08); }
.nav-link.active { background: var(--primary); color: #fff; }
.nav-link.active:hover { background: var(--primary-deep); color: #fff; }
.hamburger {
  width: 44px; height: 44px; border-radius: 50%; display: none;
  align-items: center; justify-content: center; flex-direction: column; gap: 5px;
}
.hamburger span { width: 20px; height: 2px; background: var(--ink); border-radius: 99px; transition: all .2s ease; display: block; }
.hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  position: fixed; top: 78px; left: 16px; right: 16px; z-index: 60;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(18px);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow-lg);
  padding: 18px;
  transform: translateY(-12px);
  opacity: 0;
  visibility: hidden;
  transition: all .22s ease;
}
.mobile-menu.open { transform: translateY(0); opacity: 1; visibility: visible; }
.mobile-menu a {
  display: flex; align-items: center; justify-content: space-between;
  padding: 13px 16px; border-radius: 14px;
  color: var(--ink); font-weight: 600;
}
.mobile-menu a + a { margin-top: 4px; }
.mobile-menu a:hover { background: var(--primary-light); color: var(--primary-deep); }
.mobile-menu a.active { background: var(--primary); color: #fff; }

/* ===== Hero ===== */
.hero {
  padding: 174px 0 96px;
  background:
    linear-gradient(135deg, rgba(30,122,76,.12) 0%, rgba(247,246,242,.45) 48%, rgba(244,122,32,.06) 100%),
    url('/assets/images/backpic/back-1.png') center top / cover no-repeat;
  overflow: hidden;
}
.hero::after {
  content: "ENTRY";
  position: absolute; right: -30px; bottom: -40px;
  font-size: clamp(130px, 17vw, 230px);
  font-weight: 800; line-height: 1; letter-spacing: -0.04em;
  color: rgba(30,122,76,.05);
  z-index: 0; pointer-events: none;
  font-family: 'Oswald', 'Inter', sans-serif;
}
.hero-grid {
  position: relative; z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: 64px;
  align-items: center;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--primary-deep); font-weight: 700;
  background: rgba(255,255,255,.62);
  border: 1px solid rgba(30,122,76,.14);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 13px; letter-spacing: .12em;
}
.eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.hero h1 {
  font-size: clamp(34px, 4.4vw, 52px);
  line-height: 1.24;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.025em;
  margin: 22px 0 20px;
  max-width: 660px;
}
.hero h1 .green { color: var(--primary); }
.hero-sub {
  font-size: 17px; color: #5C6E64;
  max-width: 550px;
  margin-bottom: 30px;
}
.hero-trust { margin-top: 22px; display: flex; flex-wrap: wrap; align-items: center; gap: 12px 22px; }
.hero-trust span { display: inline-flex; align-items: center; gap: 7px; color: var(--muted); font-size: 14px; }
.hero-trust i { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); display: inline-block; }

.hero-visual { position: relative; min-width: 0; }
.hero-visual-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 4px solid #fff;
  box-shadow: 0 32px 60px rgba(20,35,27,.18);
  aspect-ratio: 4 / 3;
  background: var(--primary-light);
}
.hero-visual-img img { width: 100%; height: 100%; object-fit: cover; }
.float-card {
  position: absolute; background: #fff;
  border-radius: 16px;
  box-shadow: 0 16px 40px rgba(20,35,27,.16);
  padding: 12px 16px;
  display: flex; align-items: center; gap: 12px;
  border: 1px solid var(--border);
  font-size: 14px;
}
.float-card .ic {
  width: 38px; height: 38px; border-radius: 12px; flex: none;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--primary-light); color: var(--primary);
}
.float-card b { display: block; color: var(--ink); font-size: 15px; line-height: 1.4; }
.float-card small { color: var(--muted); font-size: 12px; line-height: 1.3; }
.float-1 { left: -22px; bottom: 42px; }
.float-2 { right: -14px; top: -18px; }
.float-1 .ic { background: rgba(244,122,32,.13); color: var(--accent); }

/* 数据带 */
.data-band {
  background:
    linear-gradient(120deg, rgba(20, 35, 27, 0.92), rgba(20, 35, 27, 0.82)),
    url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
  color: #fff;
  padding: 80px 0;
}
.data-num { font-size: 42px; font-weight: 800; letter-spacing: -0.02em; color:#fff; line-height: 1.2; }
.data-num i { color: var(--accent); font-style: normal; margin-left: 2px; }
.data-unit { display:block; margin-top: 8px; color: rgba(255,255,255,.75); font-size: 14px; }
.data-band-note { margin-top: 34px; color: rgba(255,255,255,.5); font-size: 13px; max-width: 760px; }

/* 栏目卡片 / 内容卡 */
.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.badge {
  display: inline-flex; align-items: center;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  border-radius: 999px;
  padding: 4px 12px;
}
.badge-orange { background: rgba(244,122,32,.13); color: var(--accent-deep); }

.feature-wide {
  grid-column: 1 / -1;
  padding: 36px 40px;
  display: grid;
  grid-template-columns: 100px 1.1fr 0.9fr;
  gap: 28px;
  align-items: center;
}
.feature-icon {
  width: 100%; aspect-ratio: 1 / 1;
  display: flex; align-items: center; justify-content: center;
  background: var(--primary-light); border-radius: 20px;
  color: var(--primary);
}
.feature-icon svg { width: 32px; height: 32px; }
.feature-icon.sm-icon { width: 48px; height: 48px; border-radius: 14px; }
.feature-card { padding: 32px; }
.feature-card h3 { font-size: 20px; font-weight: 700; color: var(--ink); margin-bottom: 10px; }
.feature-card p { color: var(--muted); line-height: 1.75; font-size: 15px; }
.feature-card p + p { margin-top: 8px; }

.cat-card { padding: 26px; position: relative; overflow: hidden; }
.cat-card .cat-img { height: 210px; border-radius: 14px; margin-bottom: 20px; overflow: hidden; background: var(--primary-light); }
.cat-card .cat-img img { width: 100%; height: 100%; object-fit: cover; }
.cat-card h3 { font-size: 18px; color: var(--ink); }
.cat-card p { color: var(--muted); font-size: 14px; margin-top: 8px; margin-bottom: 18px; }
.cat-link { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; color: var(--primary); font-size: 14px; }
.cat-link svg { width: 16px; height: 16px; transition: transform .15s; }
.cat-link:hover svg { transform: translateX(4px); }

/* 图文说明 */
.media-block { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 60px; align-items: center; }
.media-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4 / 3;
  position: relative;
}
.media-img img { width: 100%; height: 100%; object-fit: cover; }
.media-img .img-tag {
  position: absolute; left: 16px; bottom: 16px;
  background: rgba(21, 92, 57, 0.86);
  color: #fff; font-size: 13px;
  padding: 6px 14px; border-radius: 999px;
  backdrop-filter: blur(4px);
}
.check-list { margin-top: 18px; }
.check-list li { padding: 9px 0; display: flex; gap: 12px; align-items: flex-start; color: var(--body); }
.check-list .tick {
  width: 22px; height: 22px; flex: none; margin-top: 3px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 800;
}

/* 资讯列表 */
.list-header { display: flex; justify-content: space-between; align-items: flex-end; gap:24px; flex-wrap: wrap; }
.news-grid { gap: 24px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.news-item {
  display: flex; flex-direction: column; gap: 14px;
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius-md); box-shadow: var(--shadow-sm);
  padding: 24px;
  transition: all .2s ease;
}
.news-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: rgba(30,122,76,.25); }
.news-item .badge { align-self: flex-start; }
.news-item h3 { font-size: 18px; font-weight: 700; color: var(--ink); line-height: 1.5; }
.news-item p { color: var(--muted); font-size: 14px; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.news-item .foot { display: flex; justify-content: space-between; align-items: center; gap: 16px; color: var(--muted); font-size: 13px; margin-top: auto; }
.news-item .more { color: var(--primary); font-weight: 600; display: inline-flex; align-items: center; gap: 5px; }
.empty-list {
  background: #fff; border: 1px dashed var(--border); border-radius: var(--radius-md);
  padding: 48px 20px; text-align: center; color: var(--muted);
}

/* CTA 深色区 */
.cta-band {
  background:
    radial-gradient(circle at 82% 20%, rgba(244,122,32,.20), transparent 32%),
    linear-gradient(115deg, rgba(20,35,27,.97), rgba(22,63,44,.92)),
    url('/assets/images/backpic/back-3.webp') center / cover no-repeat;
  color: #fff;
  border-radius: 28px;
  padding: 64px 62px;
  position: relative; overflow: hidden;
}
.cta-band::after {
  content: ""; position: absolute; right: 0; top: 0; bottom: 0;
  width: 120px; background: rgba(244,122,32,.18);
  clip-path: polygon(100% 0, 100% 100%, 35% 100%);
}
.cta-band h2 { color:#fff; font-size: 32px; font-weight:800; max-width: 680px; line-height:1.35; }
.cta-band p { color: rgba(255,255,255,.78); max-width: 600px; margin: 16px 0 28px; }

/* FAQ */
.faq { max-width: 820px; margin-inline: auto; }
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-item:last-child { border-bottom: none; }
.faq-item summary {
  list-style: none;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 22px 6px; font-weight: 600; font-size: 17px; color: var(--ink);
  cursor: pointer; border-radius: 8px;
  transition: color .15s ease;
  min-height: 64px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--primary); }
.faq-item .icon {
  width: 30px; height: 30px; border-radius: 50%; flex: none;
  background: var(--primary-light); color: var(--primary);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 20px; font-weight: 500; transition: transform .22s ease, background .2s ease;
}
.faq-item[open] summary { color: var(--primary-deep); }
.faq-item[open] .icon { transform: rotate(45deg); background: rgba(244,122,32,.16); color: var(--accent-deep); }
.faq-answer { padding: 0 6px 24px; color: var(--muted); max-width: 720px; }

/* Form Modal */
.modal-overlay {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(30,122,76,.55);
  backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden;
  pointer-events: none;
  transition: opacity .2s ease, visibility .2s ease;
  padding: 16px;
}
.modal-overlay.open { opacity: 1; visibility: visible; pointer-events: auto; }
.modal-card {
  width: 420px; max-width: 100%;
  background: #fff; border-radius: 24px; overflow: hidden;
  box-shadow: 0 32px 80px rgba(20,35,27,.3);
  transform: translateY(14px); transition: transform .2s ease;
}
.modal-overlay.open .modal-card { transform: translateY(0); }
.modal-head {
  background: var(--primary-deep); color:#fff; padding:22px 24px;
}
.modal-head h3 { color:#fff; font-size:19px; font-weight:700; }
.modal-head p { color: rgba(255,255,255,.78); font-size: 13px; margin-top: 6px; }
.modal-close { position: absolute; top: 10px; right: 10px; width: 42px; height:42px; border-radius: 50%; display:flex; align-items:center; justify-content:center; color:#fff; font-size:22px; }
.modal-body { padding: 24px; }
.modal-body label { display:block; font-weight:600; color:var(--ink); font-size:14px; margin-bottom:8px; margin-top:16px; }
.modal-body label:first-child { margin-top:0; }
.modal-body input,
.modal-body textarea {
  width:100%; border:1.5px solid var(--border); border-radius: 12px;
  background:#fff; color: var(--ink);
  padding: 11px 14px; font-size: 15px; transition: border .15s, box-shadow .15s;
}
.modal-body textarea { min-height: 110px; resize: vertical; }
.modal-body input:focus,
.modal-body textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(30,122,76,.12); }
.privacy-tip { font-size: 12px; color: var(--muted); margin-top: 16px; line-height: 1.6; }
.form-success { background: var(--primary-light); color: var(--primary-deep); border-radius: 12px; padding: 16px 14px; display:none; }

/* Footer */
.site-footer { background: var(--deep); color: rgba(255,255,255,.82); }
.footer-top { border-top: 1px solid rgba(255,255,255,.12); padding: 72px 0 56px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.3fr; gap: 44px; }
.footer-brand { color:#fff; }
.footer-grid h4 { color:#fff; font-size: 15px; font-weight:700; margin-bottom: 16px; }
.footer-grid ul li { margin-bottom: 10px; }
.footer-grid ul a { color: rgba(255,255,255,.72); font-size: 14px; }
.footer-grid ul a:hover { color: var(--accent); }
.footer-desc { color: rgba(255,255,255,.55); margin-top: 14px; font-size: 14px; line-height:1.8; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 24px 0 30px;
  color: rgba(255,255,255,.45);
  font-size: 13px;
  display:flex; justify-content: space-between; align-items:center; gap: 16px; flex-wrap:wrap;
}
.to-top { width: 42px; height: 42px; color:#fff; border-radius: 50%; background: rgba(244,122,32,.2); display: flex; align-items:center; justify-content:center; }
.to-top:hover { background: var(--accent); color:#fff; }

@media (max-width: 1023px) {
  .nav-links { display: none; }
  .hamburger { display: inline-flex; }
  .hero { padding: 150px 0 64px; }
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .feature-wide { grid-template-columns: 1fr; padding: 28px 26px; }
  .feature-icon { width: 68px; height: 68px; }
  .media-block { grid-template-columns: 1fr; gap: 36px; }
  .news-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .float-1 { left: 0; }
  .float-2 { right: 0; }
  .cta-band { padding: 48px 30px; }
}
@media (max-width: 767px) {
  .container { padding-inline: 18px; }
  .section-space { padding: 64px 0; }
  .section-space-sm { padding: 48px 0; }
  .hero { padding: 132px 0 56px; }
  .site-nav { padding: 6px 12px 6px 15px; }
  .brand { font-size: 15px; }
  .feature-card { padding: 22px; }
  .float-1 { bottom: -16px; left: 8px; }
  .float-2 { top: -12px; right: -4px; }
  .float-card { padding: 9px 11px; font-size: 12px; }
  .float-card .ic { width: 30px; height: 30px; }
  .hero-trust { gap: 10px 14px; }
  .data-band { padding: 52px 0; }
  .footer-grid { grid-template-columns: 1fr; }
  .data-num { font-size: 32px; }
  .faq-item summary { font-size:16px; }
  .cta-band h2 { font-size:26px; }
  .hero h1 { font-size: 32px; }
  .section-title { font-size: 26px; }
  .media-img { aspect-ratio: 5/4; }
}

.focus-visible:focus-visible,
a:focus-visible,
button:focus-visible,
summary:focus-visible { outline: 3px solid rgba(30, 122, 76, .5); outline-offset: 3px; }

/* roulang page: article */
:root {
  --primary: #1E7A4C;
  --primary-dark: #155C39;
  --accent: #F47A20;
  --accent-dark: #D96311;
  --bg: #F7F6F2;
  --white: #FFFFFF;
  --ink: #1A2B22;
  --content: #3E4F45;
  --muted: #6E7C74;
  --line: #E4E9E5;
  --night: #14231B;
  --green-soft: #E3F2E9;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: Inter, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--content);
  line-height: 1.7;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color .18s ease, background .18s ease, border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}
a:hover {
  color: var(--accent);
}
button {
  border: 0;
  background: none;
  cursor: pointer;
  font: inherit;
}
body.article-body {
  overflow-x: hidden;
}
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
.site-header {
  position: fixed;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 60;
  width: min(1080px, calc(100% - 32px));
}
.nav-shell {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
  padding: 0 12px 0 22px;
  background: rgba(247, 246, 242, 0.88);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(30, 122, 76, 0.2);
  border-radius: 999px;
  box-shadow: 0 8px 30px rgba(20, 35, 27, .08);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 16px;
  color: var(--ink);
  white-space: nowrap;
  letter-spacing: -.01em;
}
.brand:hover {
  color: var(--primary);
}
.brand-badge {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 16px;
  position: relative;
  flex: none;
}
.brand-badge::after {
  content: '';
  position: absolute;
  right: -3px;
  top: -2px;
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  border: 2px solid #fff;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  padding: 8px 16px;
  border-radius: 99px;
  font-size: 14.5px;
  font-weight: 600;
  color: #394b41;
  white-space: nowrap;
}
.nav-link:hover {
  color: var(--primary);
  background: rgba(30, 122, 76, .06);
}
.nav-link.active {
  background: var(--primary);
  color: #fff;
}
.nav-link.active:hover {
  color: #fff;
}
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--green-soft);
  color: var(--primary);
  align-items: center;
  justify-content: center;
  font-size: 20px;
}
.nav-toggle:hover {
  background: rgba(30, 122, 76, .14);
}

/* Page */
.page-main {
  padding-top: 112px;
}
.article-hero {
  position: relative;
  background:
    linear-gradient(112deg, rgba(20, 35, 27, .4), rgba(20, 35, 27, .72)),
    url('/assets/images/backpic/back-3.webp') center / cover no-repeat;
  color: #fff;
  padding: 76px 0 112px;
  border-radius: 0 0 44px 44px;
  overflow: hidden;
}
.article-hero::after {
  content: '';
  position: absolute;
  right: -80px;
  top: -80px;
  width: 260px;
  height: 260px;
  background: rgba(244, 122, 32, .16);
  border-radius: 50%;
}
.breadcrumb {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  color: rgba(255,255,255,.72);
  margin-bottom: 26px;
}
.breadcrumb a:hover {
  color: #fff;
}
.breadcrumb .sep {
  opacity: .5;
}
.hero-kicker {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  color: rgba(255, 255, 255, .82);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.hero-kicker::before {
  content: '';
  width: 30px;
  height: 3px;
  background: var(--accent);
  display: inline-block;
  border-radius: 22px;
}
.article-title {
  position: relative;
  z-index: 1;
  margin: 0;
  max-width: 860px;
  font-size: clamp(28px, 4.4vw, 46px);
  font-weight: 800;
  line-height: 1.26;
  letter-spacing: -.02em;
  color: #fff;
}

/* Article content */
.article-content {
  position: relative;
  margin-top: -52px;
  padding-bottom: 72px;
  z-index: 2;
}
.article-shell {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: 0 16px 48px rgba(20, 35, 27, .08);
  padding: clamp(24px, 5vw, 56px);
  max-width: 960px;
  margin-left: auto;
  margin-right: auto;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 28px;
}
.meta-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 14px;
}
.meta-chip strong {
  font-weight: 700;
  color: var(--ink);
}
.meta-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
}
.article-cover {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  border-radius: 18px;
  border: 1px solid var(--line);
  margin-bottom: 32px;
  background: #eef2ee;
}
.entry-content {
  color: #2f4539;
  font-size: 17px;
  line-height: 1.86;
}
.entry-content > *:first-child {
  margin-top: 0;
}
.entry-content p {
  margin: 0 0 24px;
}
.entry-content h2 {
  font-size: 26px;
  line-height: 1.38;
  color: var(--ink);
  margin: 40px 0 16px;
  font-weight: 780;
  letter-spacing: -.01em;
  padding-left: 14px;
  border-left: 4px solid var(--accent);
}
.entry-content h3 {
  color: var(--ink);
  font-size: 20px;
  margin: 28px 0 12px;
  font-weight: 700;
}
.entry-content ul {
  margin: 0 0 24px;
  padding-left: 0;
  list-style: none;
}
.entry-content ul li {
  position: relative;
  padding-left: 24px;
  margin: 0 0 10px;
}
.entry-content ul li::before {
  content: '';
  position: absolute;
  left: 2px;
  top: .72em;
  width: 8px;
  height: 8px;
  border-radius: 3px;
  background: var(--green-soft);
  border: 2px solid var(--primary);
}
.entry-content blockquote {
  background: #F4F8F5;
  margin: 28px 0;
  padding: 20px 22px;
  border-left: 4px solid var(--primary);
  border-radius: 0 12px 12px 0;
  color: #305240;
}
.entry-content blockquote p:last-child {
  margin-bottom: 0;
}
.entry-content img {
  border-radius: 16px;
  margin: 24px 0;
  border: 1px solid var(--line);
}
.entry-content figure {
  margin: 32px 0;
}
.entry-content figcaption {
  font-size: 13px;
  color: var(--muted);
  text-align: center;
  margin-top: 8px;
}
.entry-content a {
  color: var(--primary);
  font-weight: 600;
  border-bottom: 1px solid rgba(30,122,76,.3);
}
.entry-content a:hover {
  color: var(--accent-dark);
  border-color: rgba(244,122,32,.4);
}
.empty-article {
  text-align: center;
  padding: 48px 20px;
  background: #FBFBFA;
  border-radius: 18px;
  border: 1px dashed #cfd8d0;
}
.empty-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--green-soft);
  color: var(--primary);
  font-size: 28px;
  margin-bottom: 14px;
}
.empty-article p {
  color: var(--content);
  margin-bottom: 22px;
}

/* Buttons */
.btn-green {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 28px;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  border: 1.5px solid var(--primary);
}
.btn-green:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 12px 26px rgba(30, 122, 76, .24);
}
.btn-green:active {
  transform: translateY(1px);
  box-shadow: none;
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 28px;
  border-radius: 999px;
  background: #fff;
  color: var(--primary);
  font-weight: 700;
  font-size: 15px;
  border: 1.5px solid rgba(30, 122, 76, .65);
}
.btn-outline:hover {
  background: var(--green-soft);
  color: var(--primary-dark);
  transform: translateY(-1px);
}
.article-pager {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px;
  max-width: 960px;
  margin: 0 auto 48px;
}
.pager-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  padding: 12px 22px;
  font-weight: 600;
  font-size: 14px;
  min-height: 48px;
}
.pager-link:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(20,35,27,.06);
}

/* Related */
.related-section {
  padding: 72px 0;
}
.related-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 36px;
}
.related-head h2 {
  color: var(--ink);
  font-size: 30px;
  font-weight: 780;
  letter-spacing: -.01em;
  margin: 0;
}
.section-overline {
  color: var(--primary);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .15em;
  text-transform: uppercase;
  margin: 0 0 8px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}
.rel-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.rel-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 18px 40px rgba(20,35,27,.10);
  border-color: rgba(30,122,76,.45);
}
.rel-tag {
  display: inline-block;
  width: fit-content;
  background: var(--green-soft);
  border-radius: 999px;
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  padding: 5px 12px;
  letter-spacing: .04em;
  margin-bottom: 18px;
}
.rel-card h3 {
  margin: 0 0 10px;
  color: var(--ink);
  font-size: 19px;
  line-height: 1.5;
  font-weight: 740;
}
.rel-card p {
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.7;
  margin: 0 0 22px;
}
.rel-more {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-weight: 700;
  font-size: 14.5px;
}
.rel-card:hover .rel-more {
  color: var(--accent-dark);
}

/* CTA */
.cta-band {
  background: var(--night);
  color: #fff;
  padding: 72px 0;
  border-radius: 32px 32px 0 0;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(120deg, transparent 0%, transparent 45%, rgba(244,122,32,.12) 100%);
}
.cta-band-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}
.cta-copy h2 {
  color: #fff;
  font-size: 32px;
  font-weight: 800;
  margin: 0 0 12px;
  letter-spacing: -.02em;
}
.cta-copy p {
  color: rgba(255,255,255,.78);
  margin: 0;
  font-size: 16px;
  max-width: 640px;
  line-height: 1.8;
}
.cta-action {
  flex: none;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.btn-orange {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 50px;
  padding: 0 28px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 15px;
}
.btn-orange:hover {
  background: var(--accent-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(244,122,32,.22);
}
.btn-ghost-light {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 26px;
  border-radius: 999px;
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,.5);
  font-weight: 600;
}
.btn-ghost-light:hover {
  background: rgba(255,255,255,.1);
  color: #fff;
}

/* Footer */
.site-footer {
  background: #0f1b16;
  color: rgba(255,255,255,.76);
}
.footer-top {
  border-bottom: 1px solid rgba(255,255,255,.1);
  padding: 56px 0 42px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.7fr 1fr 1fr 1.2fr;
  gap: 40px;
}
.footer-brand {
  font-size: 20px;
  color: #fff;
  margin: 0 0 12px;
}
.footer-brand:hover {
  color: #fff;
}
.footer-desc {
  font-size: 14px;
  color: rgba(255,255,255,.64);
  line-height: 1.8;
  margin: 0;
  max-width: 420px;
}
.site-footer h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 18px;
}
.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.site-footer ul li {
  margin-bottom: 10px;
}
.site-footer ul a {
  color: rgba(255,255,255,.68);
  font-size: 14px;
}
.site-footer ul a:hover {
  color: var(--accent);
}
.footer-bottom {
  padding: 24px 0;
  font-size: 13.5px;
  color: rgba(255,255,255,.48);
}
.footer-bottom a {
  color: rgba(255,255,255,.6);
}
.footer-bottom a:hover {
  color: #fff;
}
.to-top {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,.1);
  font-size: 20px;
  line-height: 1;
}
.to-top:hover {
  background: var(--accent);
  color: #fff !important;
}

/* Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(20, 35, 27, 0.62);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  padding: 20px;
}
.modal-backdrop.open {
  display: flex;
}
.modal-card {
  background: #fff;
  width: 100%;
  max-width: 420px;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(20,35,27,.3);
  position: relative;
}
.modal-close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,.2);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}
.modal-close:hover {
  background: rgba(255,255,255,.3);
}
.modal-head {
  background: var(--primary);
  padding: 34px 28px 24px;
  color: #fff;
}
.modal-head h3 {
  margin: 0 0 6px;
  font-size: 19px;
  font-weight: 750;
}
.modal-head p {
  margin: 0;
  color: rgba(255,255,255,.74);
  font-size: 13.5px;
}
.modal-form {
  padding: 26px 26px 20px;
}
.modal-form label {
  display: block;
  font-size: 14px;
  font-weight: 650;
  color: var(--ink);
  margin-bottom: 6px;
}
.modal-form input,
.modal-form textarea,
.modal-form select {
  width: 100%;
  border: 1px solid #cdd7cf;
  background: #fbfcfb;
  border-radius: 12px;
  padding: 12px 14px;
  font: inherit;
  font-size: 14px;
  color: var(--ink);
  outline: none;
  transition: border .2s ease, box-shadow .2s ease, background .2s ease;
  margin-bottom: 16px;
}
.modal-form input:focus,
.modal-form textarea:focus,
.modal-form select:focus {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(30,122,76,.1);
}
.modal-form textarea {
  min-height: 96px;
  resize: vertical;
}
.privacy-note {
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.8;
  color: var(--muted);
}

/* Responsive */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .related-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 900px) {
  .site-header {
    width: calc(100% - 24px);
  }
  .nav-toggle {
    display: inline-flex;
  }
  .nav-links {
    position: absolute;
    top: calc(100% + 12px);
    left: 50%;
    transform: translateX(-50%);
    width: min(92vw, 520px);
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    background: #fff;
    padding: 14px;
    border-radius: 20px;
    border: 1px solid rgba(30,122,76,.2);
    box-shadow: 0 28px 60px rgba(20,35,27,.16);
  }
  .nav-links.open {
    display: flex;
  }
  .nav-link {
    padding: 12px 18px;
    font-size: 15px;
    text-align: center;
  }
  .cta-band-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .article-shell {
    padding: 24px 20px;
  }
  .entry-content {
    font-size: 16px;
  }
}
@media (max-width: 680px) {
  .related-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .brand {
    font-size: 14px;
    max-width: 72%;
  }
  .article-hero {
    padding: 58px 0 100px;
  }
  .article-title {
    font-size: 27px;
  }
  .breadcrumb {
    font-size: 12.5px;
  }
  .related-head {
    flex-direction: column;
    align-items: flex-start;
  }
  .btn-green,
  .btn-outline,
  .btn-orange,
  .btn-ghost-light {
    width: 100%;
    max-width: none;
  }
  .article-pager {
    flex-direction: column;
  }
}

/* roulang page: category1 */
:root{
    --primary:#1E7A4C;
    --primary-dark:#155C39;
    --primary-soft:#E3F2E9;
    --accent:#F47A20;
    --accent-dark:#D96311;
    --bg:#F7F6F2;
    --card:#FFFFFF;
    --dark:#14231B;
    --dark-2:#1C3026;
    --title:#1A2B22;
    --text:#3E4F45;
    --muted:#6E7C74;
    --border:#E4E9E5;
    --radius-lg:22px;
    --radius-md:16px;
    --shadow-sm:0 1px 2px rgba(20,35,27,.05);
    --shadow-md:0 6px 16px rgba(20,35,27,.06);
    --shadow-lg:0 12px 32px rgba(20,35,27,.10);
    --font:'Inter',"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  body{
    background:var(--bg);
    color:var(--text);
    font-family:var(--font);
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
  }
  body.nav-open{overflow:hidden}
  img{max-width:100%;height:auto;display:block}
  a{
    color:var(--primary);
    text-decoration:none;
    transition:color .2s ease,background .2s ease,box-shadow .2s ease,transform .2s ease;
  }
  a:hover{color:var(--accent-dark)}
  button{font:inherit;cursor:pointer;border:none;background:none}
  .container{max-width:1200px;margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px}
  .section{padding-top:88px;padding-bottom:88px}
  .section-dark{background:linear-gradient(180deg,#14231B,#1A3025);color:#EAF3ED}
  @media(max-width:640px){.section{padding-top:64px;padding-bottom:64px}.container{padding-left:20px;padding-right:20px}}

  .site-header{
    position:fixed;
    top:16px;
    left:0;
    right:0;
    z-index:110;
    padding:0 16px;
    pointer-events:none;
  }
  .site-nav{
    pointer-events:auto;
    max-width:1180px;
    margin:0 auto;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    background:rgba(247,246,242,.90);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    border:1px solid rgba(30,122,76,.20);
    border-radius:60px;
    padding:8px 12px 8px 10px;
    box-shadow:0 6px 24px rgba(20,35,27,.08);
  }
  .brand-logo{
    display:inline-flex;
    align-items:center;
    gap:10px;
    padding:6px 10px 6px 6px;
    border-radius:50px;
    color:var(--title);
    font-weight:800;
    font-size:17px;
    white-space:nowrap;
    letter-spacing:-0.01em;
    transition:background .2s;
  }
  .brand-logo:hover{background:rgba(30,122,76,.08);color:var(--title)}
  .brand-mark{
    width:38px;height:38px;border-radius:50%;
    background:var(--primary);
    color:#fff;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    font-weight:800;
    font-size:19px;
    flex:0 0 auto;
    box-shadow:inset 0 0 0 2px rgba(255,255,255,.35);
  }
  .brand-text{line-height:1.1}
  @media(max-width:480px){.brand-text{font-size:15px}}
  .nav-links{display:flex;align-items:center;gap:4px}
  .nav-link{
    display:inline-block;
    padding:10px 16px;
    border-radius:40px;
    font-size:15px;
    font-weight:600;
    color:#294036;
    transition:all .2s ease;
    white-space:nowrap;
  }
  .nav-link:hover{background:rgba(30,122,76,.10);color:var(--primary-dark);transform:translateY(-1px)}
  .nav-link.active{background:var(--primary);color:#fff;box-shadow:0 6px 14px rgba(30,122,76,.24)}
  .nav-link.active:hover{background:var(--primary-dark);color:#fff}
  .nav-toggle{
    width:46px;height:46px;
    border-radius:50%;
    border:1px solid rgba(30,122,76,.22);
    background:#fff;
    display:none;
    align-items:center;
    justify-content:center;
    color:var(--primary);
    font-size:20px;
    flex:0 0 auto;
  }
  @media(max-width:1023px){
    .nav-toggle{display:inline-flex}
    .nav-links{
      display:none;
      position:absolute;
      top:calc(100% + 14px);
      left:0;
      right:0;
      background:#fff;
      border:1px solid var(--border);
      border-radius:24px;
      padding:14px;
      flex-direction:column;
      align-items:stretch;
      gap:6px;
      box-shadow:var(--shadow-lg);
    }
    .nav-open .nav-links{display:flex}
    .nav-link{text-align:center}
  }
  .nav-backdrop{
    display:none;
    position:fixed;
    inset:0;
    background:rgba(20,35,27,.45);
    backdrop-filter:blur(3px);
    z-index:99;
  }
  .nav-open .nav-backdrop{display:block}

  .page-hero{
    position:relative;
    overflow:hidden;
    padding-top:120px;
    padding-bottom:20px;
  }
  .page-hero::before{
    content:'';
    position:absolute;
    inset:0;
    background:
      linear-gradient(115deg, rgba(255,255,255,.96) 0%, rgba(247,246,242,.88) 45%, rgba(227,242,233,.88) 100%),
      url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    z-index:0;
  }
  .page-hero::after{
    content:'';
    position:absolute;
    right:-180px;
    top:-180px;
    width:480px;
    height:480px;
    border-radius:50%;
    background:rgba(244,122,32,.10);
    filter:blur(18px);
    z-index:1;
  }
  .page-hero .container{position:relative;z-index:2}
  .hero-inner{
    display:grid;
    grid-template-columns:minmax(0,1.05fr) minmax(320px,.95fr);
    gap:60px;
    align-items:center;
    padding:48px 0 56px;
  }
  .hero-overline{
    display:inline-flex;
    align-items:center;
    gap:10px;
    color:var(--primary-dark);
    font-weight:700;
    font-size:13px;
    letter-spacing:.15em;
    text-transform:uppercase;
    background:rgba(255,255,255,.72);
    border:1px solid rgba(30,122,76,.2);
    padding:7px 14px;
    border-radius:60px;
  }
  .hero-overline .dot{width:7px;height:7px;border-radius:50%;background:var(--accent)}
  .hero-inner h1{
    font-size:46px;
    line-height:1.18;
    font-weight:800;
    letter-spacing:-0.02em;
    color:var(--title);
    margin-top:18px;
    text-wrap:balance;
  }
  .hero-lead{
    font-size:18px;
    color:#42554A;
    line-height:1.85;
    max-width:560px;
    margin-top:18px;
  }
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    border-radius:60px;
    font-weight:700;
    font-size:16px;
    transition:all .2s ease;
    border:1px solid transparent;
  }
  .btn-primary{background:var(--primary);color:#fff;height:52px;padding:0 28px;box-shadow:0 8px 20px rgba(30,122,76,.22)}
  .btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 28px rgba(30,122,76,.28)}
  .btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(30,122,76,.18)}
  .btn-outline{background:rgba(255,255,255,.7);color:var(--primary-dark);border-color:rgba(30,122,76,.6);height:52px;padding:0 26px}
  .btn-outline:hover{background:var(--primary-soft);color:var(--primary-dark);transform:translateY(-1px)}
  .btn-outline:active{transform:translateY(0)}
  .btn-accent{background:var(--accent);color:#fff;height:54px;padding:0 32px;box-shadow:0 10px 24px rgba(244,122,32,.26)}
  .btn-accent:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px)}
  .btn-accent:active{transform:translateY(0)}
  .hero-tags{display:flex;flex-wrap:wrap;gap:22px;margin-top:30px;color:#55655C;font-size:14px}
  .hero-tags span{display:inline-flex;align-items:center;gap:7px}
  .hero-tags i{width:6px;height:6px;border-radius:50%;background:var(--accent)}
  .hero-visual{position:relative}
  .hero-frame{
    border-radius:26px;
    overflow:hidden;
    box-shadow:0 24px 60px rgba(20,35,27,.18);
    border:6px solid #fff;
    background:#fff;
    position:relative;
  }
  .hero-frame img{width:100%;height:500px;object-fit:cover}
  .hero-frame::after{
    content:'';
    position:absolute;
    left:0;right:0;bottom:0;height:38%;
    background:linear-gradient(to top,rgba(20,35,27,.55),transparent);
    pointer-events:none;
  }
  .hero-badge{
    position:absolute;
    z-index:3;
    background:rgba(255,255,255,.94);
    border-radius:18px;
    padding:12px 16px;
    box-shadow:0 16px 40px rgba(20,35,27,.20);
    display:flex;
    align-items:center;
    gap:10px;
    font-weight:700;
    font-size:14px;
    color:var(--title);
  }
  .hero-badge .badge-num{color:var(--primary);font-size:21px;font-weight:800}
  .hero-badge.badge-1{left:-18px;bottom:90px}
  .hero-badge.badge-2{right:-14px;bottom:24px}
  .hero-badge .status-dot{width:9px;height:9px;border-radius:50%;background:#2BA471;box-shadow:0 0 0 4px rgba(43,164,113,.16)}
  @media(max-width:1023px){
    .hero-inner{grid-template-columns:1fr;gap:44px}
    .hero-frame img{height:380px}
    .hero-badge.badge-1{left:-8px;bottom:80px}
    .hero-badge.badge-2{right:-8px;bottom:24px}
  }
  @media(max-width:640px){
    .page-hero{padding-top:96px}
    .hero-inner h1{font-size:34px;line-height:1.22}
    .hero-lead{font-size:16px}
    .hero-actions .btn{width:100%}
    .hero-tags{gap:12px}
    .hero-badge{padding:8px 12px;font-size:13px}
    .hero-frame img{height:300px}
  }

  .section-head{margin-bottom:28px}
  .section-head .kicker{
    display:inline-block;
    width:36px;height:4px;border-radius:10px;
    background:var(--accent);
    margin-bottom:14px;
  }
  .section-head h2{
    font-size:32px;
    line-height:1.2;
    color:var(--title);
    font-weight:800;
    letter-spacing:-0.02em;
    margin-bottom:12px;
  }
  .section-head p{font-size:16px;color:var(--muted);max-width:760px}
  @media(max-width:640px){.section-head h2{font-size:26px}}

  .check-card{
    background:var(--card);
    border:1px solid var(--border);
    border-radius:var(--radius-lg);
    padding:30px;
    height:100%;
    box-shadow:var(--shadow-sm);
    transition:transform .25s ease,box-shadow .25s ease;
  }
  .check-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
  .check-no{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:40px;height:40px;
    border-radius:14px;
    background:var(--primary-soft);
    color:var(--primary);
    font-weight:800;
    font-size:15px;
    margin-bottom:14px;
  }
  .check-card h3{font-size:18px;color:var(--title);margin-bottom:8px}
  .check-card p{font-size:15px;color:var(--text)}
  .card-note{
    margin-top:14px;
    font-size:13px;
    color:var(--muted);
    border-left:3px solid var(--accent);
    padding-left:10px;
  }

  .feature-panel{
    display:grid;
    grid-template-columns:repeat(12,1fr);
    gap:24px;
  }
  .feature-main{
    grid-column:span 7;
    background:var(--dark);
    color:#EAF3ED;
    border-radius:var(--radius-lg);
    overflow:hidden;
    display:grid;
    grid-template-columns:repeat(2,1fr);
    align-items:stretch;
  }
  .feature-main .feature-copy{
    padding:34px 30px;
    display:flex;
    flex-direction:column;
    justify-content:center;
  }
  .feature-main .feature-copy h3{font-size:24px;color:#fff;margin-bottom:14px}
  .feature-main .feature-copy p{color:rgba(255,255,255,.82);font-size:15px}
  .feature-main .feature-copy ul{margin-top:16px;list-style:none;display:grid;gap:10px}
  .feature-main .feature-copy li{
    position:relative;
    padding-left:22px;
    font-size:14px;
    color:rgba(255,255,255,.85);
  }
  .feature-main .feature-copy li::before{
    content:'';
    position:absolute;
    left:0;top:.75em;
    width:7px;height:7px;
    border-radius:50%;
    background:var(--accent);
  }
  .feature-main .feature-img{min-height:340px;position:relative}
  .feature-main .feature-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
  .feature-tag{
    position:absolute;
    left:14px;top:14px;
    z-index:2;
    background:rgba(30,122,76,.92);
    color:#fff;
    font-size:12px;
    font-weight:700;
    padding:5px 12px;
    border-radius:40px;
    letter-spacing:.04em;
  }
  .feature-sub{grid-column:span 5;background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px;display:flex;flex-direction:column;box-shadow:var(--shadow-sm)}
  .feature-sub .icon-circle{
    width:50px;height:50px;border-radius:18px;
    background:var(--primary-soft);color:var(--primary);
    display:flex;align-items:center;justify-content:center;
    margin-bottom:20px;
  }
  .feature-sub h3{font-size:19px;color:var(--title);margin-bottom:12px}
  .feature-sub p{font-size:14.5px;color:var(--muted);line-height:1.8}
  .feature-sub a.arrow-link{display:inline-flex;align-items:center;gap:6px;margin-top:auto;padding-top:16px;font-weight:700;font-size:14px}
  @media(max-width:1023px){
    .feature-main,.feature-sub{grid-column:span 12}
    .feature-main{grid-template-columns:1fr}
    .feature-main .feature-img{min-height:280px;order:1}
    .feature-main .feature-copy{order:2}
  }

  .step-section{
    background:linear-gradient(135deg,#14231B,#1F3729);
    border-radius:28px;
    overflow:hidden;
    position:relative;
    padding:68px 48px;
  }
  .step-section::after{
    content:'01 GUIDE';
    position:absolute;
    right:24px;
    bottom:-10px;
    font-size:90px;
    font-weight:800;
    color:rgba(255,255,255,.04);
    letter-spacing:.02em;
    line-height:1;
    pointer-events:none;
  }
  .step-head{color:#fff;margin-bottom:42px;position:relative;z-index:2}
  .step-head .mini-line{width:36px;height:4px;background:var(--accent);border-radius:8px;margin-bottom:12px}
  .step-head h2{font-size:32px;color:#fff;margin-bottom:10px}
  .step-head p{color:rgba(255,255,255,.7);max-width:660px}
  .steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative;z-index:2}
  .step-item{
    background:rgba(255,255,255,.07);
    border:1px solid rgba(255,255,255,.12);
    border-radius:20px;
    padding:22px;
    backdrop-filter:blur(4px);
    transition:background .25s,border-color .25s,transform .25s;
  }
  .step-item:hover{background:rgba(255,255,255,.12);border-color:rgba(244,122,32,.55);transform:translateY(-4px)}
  .step-num{font-size:13px;font-weight:800;color:var(--accent);letter-spacing:.12em;margin-bottom:14px}
  .step-item h3{font-size:18px;color:#fff;margin-bottom:8px}
  .step-item p{font-size:14px;color:rgba(255,255,255,.72);line-height:1.75}
  @media(max-width:1023px){.steps-grid{grid-template-columns:repeat(2,1fr)}}
  @media(max-width:640px){
    .step-section{padding:48px 24px;border-radius:20px}
    .steps-grid{grid-template-columns:1fr}
    .step-head h2{font-size:26px}
  }

  .dual-block{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:56px;
    align-items:center;
  }
  .dual-media{position:relative;border-radius:24px;overflow:hidden;box-shadow:var(--shadow-lg)}
  .dual-media img{width:100%;height:420px;object-fit:cover}
  .dual-media .media-caption{
    position:absolute;
    left:16px;bottom:16px;
    background:rgba(20,35,27,.78);
    color:#fff;
    backdrop-filter:blur(4px);
    padding:6px 12px;
    border-radius:40px;
    font-size:13px;
  }
  .dual-content h2{font-size:32px;color:var(--title);line-height:1.22;margin-bottom:18px;font-weight:800}
  .dual-content p{color:var(--text);margin-bottom:16px}
  .dual-list{list-style:none;margin-top:18px;display:grid;gap:12px}
  .dual-list li{
    display:flex;
    gap:10px;
    align-items:flex-start;
    background:#fff;
    border:1px solid var(--border);
    border-radius:14px;
    padding:12px 14px;
    font-size:14.5px;
  }
  .dual-list li::before{
    content:'✓';
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:22px;height:22px;
    border-radius:50%;
    background:var(--primary-soft);
    color:var(--primary);
    font-weight:800;
    font-size:13px;
    flex:0 0 auto;
    margin-top:3px;
  }
  @media(max-width:900px){.dual-block{grid-template-columns:1fr;gap:32px}.dual-content h2{font-size:26px}}

  .scene-grid{display:flex;flex-wrap:wrap;gap:14px;margin-top:22px}
  .scene-chip{
    display:inline-flex;
    align-items:center;
    gap:9px;
    background:#fff;
    border:1px solid var(--border);
    padding:12px 18px;
    border-radius:50px;
    font-size:15px;
    font-weight:600;
    color:#2D4038;
    box-shadow:var(--shadow-sm);
    transition:all .2s ease;
  }
  .scene-chip:hover{border-color:rgba(244,122,32,.45);color:var(--accent-dark);transform:translateY(-2px);box-shadow:var(--shadow-md)}
  .scene-chip i{width:7px;height:7px;border-radius:50%;background:var(--primary)}

  .neighbor-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
  .neighbor-card{
    display:block;
    background:#fff;
    border:1px solid var(--border);
    border-radius:24px;
    padding:34px;
    box-shadow:var(--shadow-sm);
    transition:all .25s ease;
    position:relative;
    overflow:hidden;
  }
  .neighbor-card::before{
    content:'';
    position:absolute;
    width:120px;height:120px;
    border-radius:50%;
    background:rgba(30,122,76,.07);
    right:-30px;top:-30px;
    transition:transform .3s;
  }
  .neighbor-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:rgba(30,122,76,.35)}
  .neighbor-card .arrow{
    display:inline-flex;
    align-items:center;
    gap:6px;
    margin-top:14px;
    font-weight:800;
    color:var(--primary);
    font-size:15px;
  }
  .neighbor-card h3{font-size:20px;color:var(--title);margin-bottom:8px}
  .neighbor-card p{color:var(--muted);font-size:15px}
  @media(max-width:720px){.neighbor-grid{grid-template-columns:1fr}}

  .faq-list{margin-top:24px;max-width:840px}
  .faq-item{
    border-bottom:1px solid var(--border);
    background:transparent;
  }
  .faq-item details{
    background:#fff;
    border:1px solid transparent;
    border-radius:18px;
    margin-bottom:10px;
    transition:all .2s;
    overflow:hidden;
  }
  .faq-item details[open]{
    border-color:rgba(30,122,76,.3);
    box-shadow:var(--shadow-sm);
  }
  .faq-item summary{
    cursor:pointer;
    list-style:none;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    padding:20px 22px;
    font-weight:700;
    font-size:16px;
    color:var(--title);
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item .icon-plus{
    width:30px;height:30px;
    border-radius:50%;
    background:var(--primary-soft);
    color:var(--primary);
    display:flex;align-items:center;justify-content:center;
    font-size:22px;
    font-weight:400;
    flex:0 0 auto;
    transition:transform .2s,background .2s,color .2s;
  }
  .faq-item details[open] .icon-plus{
    transform:rotate(45deg);
    background:var(--accent);
    color:#fff;
  }
  .faq-item .faq-answer{padding:0 22px 22px;color:var(--text);font-size:15px;line-height:1.85;border-top:1px dashed var(--border);margin:0 0 0 22px;padding-left:0}
  @media(max-width:640px){.faq-item summary{font-size:15px;padding:17px 16px}.faq-item .faq-answer{padding-left:16px;padding-right:16px;margin-left:0}}

  .cta-band{
    position:relative;
    background:var(--dark);
    border-radius:28px;
    padding:62px 58px;
    color:#fff;
    overflow:hidden;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:36px;
    flex-wrap:wrap;
  }
  .cta-band::before{
    content:'';
    position:absolute;
    width:240px;height:240px;
    border-radius:50%;
    background:var(--accent);
    opacity:.12;
    filter:blur(14px);
    right:-50px;top:-100px;
  }
  .cta-band h2{font-size:30px;line-height:1.3;max-width:560px;color:#fff}
  .cta-band p{color:rgba(255,255,255,.72);margin-top:12px;max-width:540px}
  .cta-band .btn-accent{flex:0 0 auto;min-width:200px}
  @media(max-width:640px){.cta-band{padding:40px 24px}.cta-band h2{font-size:24px}.cta-band .btn-accent{width:100%}}

  .site-footer{
    background:var(--dark);
    color:rgba(255,255,255,.78);
    margin-top:90px;
    padding-top:0;
  }
  .footer-top{padding:64px 0 36px;border-top:1px solid rgba(255,255,255,.12)}
  .footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr 1.1fr;gap:38px}
  .footer-brand{color:#fff;font-weight:800;font-size:19px;margin-bottom:14px}
  .footer-desc{font-size:14px;color:rgba(255,255,255,.65);line-height:1.85;max-width:300px}
  .site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
  .site-footer ul{list-style:none;display:grid;gap:10px}
  .site-footer ul a{color:rgba(255,255,255,.68);font-size:14px;transition:color .2s}
  .site-footer ul a:hover{color:#fff;padding-left:4px}
  .footer-bottom{padding:24px 0;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:rgba(255,255,255,.5)}
  .site-footer .to-top{
    width:46px;height:46px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    background:rgba(255,255,255,.1);
    border-radius:50%;
    color:#fff;
    font-weight:700;
    font-size:20px;
    transition:all .2s;
  }
  .site-footer .to-top:hover{background:var(--accent);color:#fff}
  @media(max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}}
  @media(max-width:560px){.footer-grid{grid-template-columns:1fr}.footer-bottom .flex{flex-direction:column;text-align:center}}

  .modal-mask{
    position:fixed;
    inset:0;
    z-index:200;
    background:rgba(20,35,27,.62);
    backdrop-filter:blur(8px);
    -webkit-backdrop-filter:blur(8px);
    display:none;
    align-items:center;
    justify-content:center;
    padding:20px;
  }
  .modal-mask.open{display:flex}
  .modal-card{
    max-width:430px;
    width:100%;
    background:#fff;
    border-radius:26px;
    overflow:hidden;
    box-shadow:0 32px 90px rgba(0,0,0,.35);
    animation:modalIn .3s ease;
    position:relative;
  }
  @keyframes modalIn{from{opacity:0;transform:translateY(26px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}
  .modal-head{
    background:linear-gradient(120deg,var(--primary),#2A915D);
    color:#fff;
    padding:26px 28px 22px;
    position:relative;
    overflow:hidden;
  }
  .modal-head h3{font-size:20px;font-weight:800;margin-bottom:6px}
  .modal-head p{font-size:13.5px;color:rgba(255,255,255,.8)}
  .modal-close{
    position:absolute;
    right:14px;
    top:14px;
    width:44px;height:44px;
    border-radius:50%;
    color:#fff;
    font-size:20px;
    background:rgba(255,255,255,.16);
    display:flex;
    align-items:center;
    justify-content:center;
    transition:background .2s;
  }
  .modal-close:hover{background:rgba(255,255,255,.3);color:#fff}
  .modal-body{padding:26px 28px 28px}
  .form-field{margin-bottom:16px}
  .form-field label{display:block;font-size:14px;font-weight:700;color:var(--title);margin-bottom:7px}
  .form-field input,.form-field textarea,.form-field select{
    width:100%;
    border:1px solid var(--border);
    border-radius:13px;
    padding:11px 14px;
    font-family:inherit;
    font-size:15px;
    background:#FAFBF9;
    transition:border .2s,box-shadow .2s;
    resize:vertical;
    color:var(--title);
  }
  .form-field input:focus,.form-field textarea:focus,.form-field select:focus{
    outline:none;
    border-color:var(--primary);
    box-shadow:0 0 0 3px rgba(30,122,76,.14);
    background:#fff;
  }
  .form-field textarea{min-height:92px}
  .submit-btn{
    width:100%;
    background:var(--primary);
    color:#fff;
    border-radius:50px;
    height:50px;
    font-weight:700;
    font-size:16px;
    transition:all .2s;
  }
  .submit-btn:hover{background:var(--primary-dark);transform:translateY(-1px)}
  .submit-btn:active{transform:translateY(0)}
  .privacy-note{font-size:12px;color:#8A958E;margin-top:14px;text-align:center;line-height:1.6}
  .form-success{
    display:none;
    background:#EAF7EF;
    border:1px solid #BDE3CB;
    color:#1E6A42;
    padding:14px;
    border-radius:14px;
    font-weight:600;
    font-size:15px;
    text-align:center;
  }

/* roulang page: category2 */
:root {
            --primary: #1E7A4C;
            --primary-dark: #155C39;
            --accent: #F47A20;
            --accent-dark: #D96311;
            --bg-warm: #F7F6F2;
            --text-title: #1A2B22;
            --text-body: #3E4F45;
            --text-muted: #6E7C74;
            --border-soft: #E4E9E5;
            --dark-green: #14231B;
            --shadow-card: 0 1px 2px rgba(20, 35, 27, 0.05);
            --shadow-hover: 0 12px 32px rgba(20, 35, 27, 0.10);
            --container-w: 1200px;
            --radius-card: 16px;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            background-color: var(--bg-warm);
            color: var(--text-body);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        img { max-width: 100%; display: block; }
        a { color: var(--primary); text-decoration: none; transition: color 0.2s ease; }
        a:hover { color: var(--accent); }
        button { font-family: inherit; cursor: pointer; }
        input, textarea, select { font-family: inherit; }

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

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

        section {
            padding-top: 96px;
            padding-bottom: 96px;
        }
        @media (max-width: 768px) {
            section { padding-top: 64px; padding-bottom: 64px; }
        }

        /* 悬浮胶囊导航 */
        .float-nav {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 50;
            background: rgba(247, 246, 242, 0.90);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid rgba(30, 122, 76, 0.18);
            border-radius: 999px;
            box-shadow: 0 4px 20px rgba(20, 35, 27, 0.08);
            padding: 8px 12px;
            width: calc(100% - 32px);
            max-width: 1170px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            transition: box-shadow .3s ease;
        }
        .float-nav:hover {
            box-shadow: 0 8px 30px rgba(20, 35, 27, 0.12);
        }
        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 18px;
            color: var(--text-title);
            white-space: nowrap;
        }
        .brand-mark {
            width: 36px;
            height: 36px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary) 0%, #2BA471 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 17px;
            font-weight: 900;
            position: relative;
            flex-shrink: 0;
        }
        .brand-mark::after {
            content: "";
            display: block;
            width: 8px;
            height: 8px;
            border-top: 2px solid #fff;
            border-right: 2px solid #fff;
            position: absolute;
            transform: rotate(45deg) translate(2px, -2px);
            border-radius: 1px;
            right: 8px;
            top: 11px;
        }
        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-link {
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-body);
            transition: all .2s ease;
            white-space: nowrap;
        }
        .nav-link:hover {
            background: rgba(30, 122, 76, 0.08);
            color: var(--primary);
        }
        .nav-link.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 2px 8px rgba(30, 122, 76, 0.30);
        }
        .nav-burger {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 999px;
            border: 1px solid var(--border-soft);
            background: #fff;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--text-title);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 76px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 49;
            background: #fff;
            border-radius: 20px;
            width: calc(100% - 32px);
            max-width: 500px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.16);
            padding: 16px;
            border: 1px solid var(--border-soft);
        }
        .mobile-menu.open {
            display: block;
        }
        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            border-radius: 12px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-body);
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            background: #E3F2E9;
            color: var(--primary);
        }
        .modal-backdrop {
            display: none;
            position: fixed;
            inset: 0;
            z-index: 99;
            background: rgba(20, 35, 27, 0.6);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            overflow-y: auto;
            padding: 40px 20px;
        }
        .modal-backdrop.active {
            display: flex;
        }
        .modal-card {
            width: 100%;
            max-width: 440px;
            margin: auto;
            background: #fff;
            border-radius: 24px;
            overflow: hidden;
            box-shadow: 0 30px 80px rgba(0, 0, 0, 0.25);
        }
        .modal-header {
            background: var(--primary);
            color: #fff;
            padding: 20px 24px;
            font-weight: 700;
            font-size: 18px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .modal-close {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.14);
            border: none;
            color: #fff;
            font-size: 18px;
            transition: background .2s;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
        }
        .modal-close:hover {
            background: rgba(255, 255, 255, 0.30);
        }
        .modal-body {
            padding: 28px 24px 24px;
        }
        .modal-body label {
            display: block;
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text-title);
        }
        .modal-body input,
        .modal-body select,
        .modal-body textarea {
            width: 100%;
            border: 1px solid var(--border-soft);
            border-radius: 12px;
            padding: 12px 14px;
            font-size: 15px;
            margin-bottom: 15px;
            transition: border-color .2s, box-shadow .2s;
            background: #fff;
            color: var(--text-title);
        }
        .modal-body input:focus,
        .modal-body select:focus,
        .modal-body textarea:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(30, 122, 76, 0.12);
        }
        .privacy-notes {
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-top: 4px;
        }

        /* 按钮 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 16px;
            padding: 14px 28px;
            transition: all .2s ease;
            min-height: 48px;
            border: none;
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(30, 122, 76, 0.25);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(30, 122, 76, 0.20);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
        }
        .btn-outline:hover {
            background: rgba(30, 122, 76, 0.06);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(30, 122, 76, 0.10);
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(244, 122, 32, 0.25);
        }
        .btn-white {
            background: #fff;
            color: var(--primary);
        }
        .btn-white:hover {
            background: var(--bg-warm);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        .btn:focus-visible,
        .nav-link:focus-visible,
        .brand-mark:focus-visible {
            outline: 3px solid rgba(244, 122, 32, 0.5);
            outline-offset: 2px;
        }

        /* Section label / title */
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.14em;
            text-transform: uppercase;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-title);
            letter-spacing: -0.02em;
            line-height: 1.25;
        }
        .section-title::before {
            content: "";
            display: block;
            width: 36px;
            height: 4px;
            background: var(--accent);
            border-radius: 4px;
            margin-bottom: 14px;
        }
        @media (max-width: 768px) {
            .section-title { font-size: 26px; }
        }

        /* 卡片 */
        .card-simple {
            background: #fff;
            border-radius: 16px;
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-card);
            padding: 32px;
            transition: all .3s ease;
        }
        .card-simple:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid var(--border-soft);
        }
        .faq-item summary {
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 17px;
            font-weight: 600;
            color: var(--text-title);
            padding: 22px 4px;
            cursor: pointer;
            transition: color .2s;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary .faq-icon {
            font-size: 14px;
            color: var(--accent);
            width: 28px;
            height: 28px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(244, 122, 32, 0.10);
            border-radius: 50%;
            flex-shrink: 0;
            transition: transform .3s;
        }
        .faq-item[open] summary .faq-icon {
            transform: rotate(45deg);
        }
        .faq-item .faq-answer {
            padding: 0 12px 24px 4px;
            color: var(--text-body);
            max-width: 850px;
            line-height: 1.8;
        }

        /* Footer */
        .site-footer {
            background: var(--dark-green);
            color: #A7B4AC;
            padding-top: 56px;
        }
        .site-footer a {
            color: #A7B4AC;
        }
        .site-footer a:hover {
            color: #fff;
        }
        .footer-brand {
            color: #fff;
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            max-width: 340px;
            margin-bottom: 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2.2fr 1fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 48px;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
                padding-bottom: 32px;
            }
        }
        .site-footer h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .site-footer ul {
            list-style: none;
        }
        .site-footer ul li {
            margin-bottom: 10px;
        }
        .site-footer ul li a {
            font-size: 14px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding: 24px 0;
        }
        .footer-bottom p {
            font-size: 13px;
        }
        .to-top {
            width: 40px;
            height: 40px;
            border-radius: 40px;
            background: var(--primary);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            transition: all .2s;
        }
        .to-top:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-2px);
        }

        /* Timeline / steps */
        .step-item {
            display: flex;
            gap: 20px;
            position: relative;
            padding-bottom: 40px;
        }
        .step-item:last-child {
            padding-bottom: 0;
        }
        .step-item:before {
            content: "";
            position: absolute;
            left: 27px;
            top: 60px;
            bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, rgba(30,122,76,0.3), rgba(30,122,76,0.05));
        }
        .step-item:last-child:before {
            display: none;
        }
        .step-num {
            width: 56px;
            height: 56px;
            border-radius: 18px;
            background: var(--primary);
            color: #fff;
            font-weight: 800;
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(30, 122, 76, 0.22);
            position: relative;
            z-index: 1;
        }

        /* Color helpers */
        .bg-card { background: #fff; }
        .text-primary { color: var(--primary); }
        .text-accent { color: var(--accent); }
        .text-title { color: var(--text-title); }
        .text-bodyc { color: var(--text-body); }
        .text-mutedc { color: var(--text-muted); }
        .bg-primary { background: var(--primary); }
        .bg-accent-bg { background: rgba(244, 122, 32, 0.10); }
        .bg-light-green { background: #E3F2E9; }

        .tag-fit {
            display: inline-block;
            background: #E3F2E9;
            color: var(--primary);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 999px;
            letter-spacing: 0.02em;
        }
        .tag-orange {
            background: rgba(244, 122, 32, 0.12);
            color: #D96311;
        }

        h1, h2, h3 {
            font-family: 'Inter', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
        }

        h1 {
            color: var(--text-title);
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.25;
        }

        .hero-overline {
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.18em;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 16px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .num-walk {
            font-family: 'Inter', sans-serif;
            font-weight: 800;
            font-size: 42px;
            line-height: 1;
            letter-spacing: -0.02em;
            color: var(--text-title);
        }
        @media (max-width: 768px) {
            .num-walk { font-size: 34px; }
        }

        .img-wrap {
            border-radius: 24px;
            overflow: hidden;
            position: relative;
            box-shadow: var(--shadow-hover);
        }
        .img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .img-tag {
            position: absolute;
            bottom: 16px;
            left: 16px;
            background: rgba(30, 122, 76, 0.88);
            color: #fff;
            font-size: 12.5px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 999px;
            backdrop-filter: blur(4px);
            letter-spacing: 0.02em;
        }

        /* CTA block */
        .cta-dark-band {
            background: var(--dark-green);
            border-radius: 24px;
            position: relative;
            overflow: hidden;
        }
        .cta-dark-band:before {
            content: "";
            position: absolute;
            width: 220px;
            height: 220px;
            background: rgba(244, 122, 32, 0.12);
            border-radius: 50%;
            top: -60px;
            right: -40px;
        }
        .cta-dark-band:after {
            content: "";
            position: absolute;
            width: 300px;
            height: 300px;
            border: 1px solid rgba(255, 255, 255, 0.07);
            border-radius: 50%;
            bottom: -140px;
            left: -80px;
        }

        .tech-point {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--primary);
            display: inline-block;
            margin-right: 6px;
        }

        /* mega link cards */
        .resource-link-card {
            background: #fff;
            border: 1px solid var(--border-soft);
            border-radius: 16px;
            padding: 28px;
            transition: all .25s ease;
            display: block;
        }
        .resource-link-card:hover {
            border-color: transparent;
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .resource-link-card:hover .arrow-dot {
            transform: translateX(4px);
            color: var(--accent);
        }
        .arrow-dot {
            transition: all .25s;
        }

        /* dark green old nav in block */
        .deep-band {
            border-radius: 24px;
            padding: 48px;
            background: var(--dark-green);
            color: #fff;
        }
        @media (max-width:768px) {
            .deep-band { padding: 24px 20px; }
        }

        .circle-dot {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-style: normal;
            font-weight: 800;
            font-size: 14px;
            background: rgba(30, 122, 76, 0.10);
            color: var(--primary);
        }

        @media (max-width: 1023px) {
            .float-nav {
                max-width: calc(100% - 32px);
                padding: 8px 12px;
            }
            .nav-desktop {
                display: none;
            }
            .nav-burger {
                display: flex;
            }
        }

        @media (max-width: 560px) {
            .nav-brand {
                font-size: 15px;
                gap: 8px;
            }
            .brand-mark {
                width: 32px;
                height: 32px;
                font-size: 14px;
            }
            .btn {
                padding: 12px 20px;
                font-size: 15px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #1E7A4C;
            --primary-dark: #155C39;
            --primary-light: #E3F2E9;
            --accent: #F47A20;
            --accent-dark: #D96311;
            --bg: #F7F6F2;
            --white: #FFFFFF;
            --ink: #1A2B22;
            --body: #3E4F45;
            --muted: #6E7C74;
            --line: #E4E9E5;
            --dark: #14231B;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow-sm: 0 1px 2px rgba(20, 35, 27, .05);
            --shadow-lg: 0 12px 32px rgba(20, 35, 27, .10);
            --font: "Inter", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--body);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .2s ease;
        }
        a:hover {
            color: var(--accent);
        }
        button {
            font-family: inherit;
            cursor: pointer;
        }
        input,
        textarea {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ---------- 导航 ---------- */
        .site-nav {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 60;
            width: calc(100% - 32px);
            max-width: 1100px;
            height: 60px;
            background: rgba(247, 246, 242, .88);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid rgba(30, 122, 76, .18);
            border-radius: 999px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 18px 0 20px;
            box-shadow: 0 6px 28px rgba(20, 35, 27, .06);
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--ink);
            white-space: nowrap;
        }
        .brand-mark {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: grid;
            place-items: center;
            font-weight: 900;
            font-size: 18px;
            flex: 0 0 auto;
        }
        .brand-text {
            font-weight: 800;
            font-size: 16px;
            letter-spacing: -.01em;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 2px;
        }
        .nav-link {
            display: inline-block;
            padding: 8px 14px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1.5;
            color: var(--body);
            transition: background .2s ease, color .2s ease;
        }
        .nav-link:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
        }
        .nav-link.active {
            background: var(--primary);
            color: #fff !important;
        }
        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            border: 0;
            background: transparent;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
        }
        .nav-toggle span {
            width: 20px;
            height: 2px;
            border-radius: 2px;
            background: var(--ink);
            display: block;
            transition: all .25s ease;
        }
        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-menu {
            position: fixed;
            top: 88px;
            left: 50%;
            transform: translateX(-50%) scale(.96);
            width: calc(100% - 32px);
            max-width: 480px;
            z-index: 59;
            background: rgba(255, 255, 255, .98);
            backdrop-filter: blur(16px);
            border-radius: 24px;
            border: 1px solid var(--line);
            box-shadow: var(--shadow-lg);
            padding: 16px;
            opacity: 0;
            visibility: hidden;
            transition: all .25s ease;
        }
        .mobile-menu.open {
            opacity: 1;
            visibility: visible;
            transform: translateX(-50%) scale(1);
        }
        .mobile-menu .nav-link {
            display: block;
            padding: 12px 16px;
            border-radius: 14px;
        }
        .mobile-btn {
            margin-top: 12px;
        }

        /* ---------- Hero ---------- */
        .hero-section {
            position: relative;
            padding: 160px 0 88px;
            overflow: hidden;
            background: linear-gradient(135deg, #F7F6F2 0%, #EAF2EB 100%);
        }
        .hero-section::before {
            content: "05";
            position: absolute;
            right: -30px;
            top: 80px;
            font-size: 300px;
            font-weight: 900;
            line-height: 1;
            color: rgba(30, 122, 76, .07);
            letter-spacing: -.05em;
            pointer-events: none;
        }
        .hero-section::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1.05fr .95fr;
            gap: 64px;
            align-items: center;
            position: relative;
            z-index: 2;
        }
        .hero-overline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: .14em;
            text-transform: uppercase;
            color: var(--primary);
            background: var(--primary-light);
            border-radius: 999px;
            padding: 6px 16px;
            margin-bottom: 22px;
        }
        .hero-overline .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            display: inline-block;
        }
        .hero-section h1 {
            font-size: 50px;
            line-height: 1.18;
            font-weight: 800;
            color: var(--ink);
            letter-spacing: -.02em;
            margin-bottom: 20px;
        }
        .hero-section h1 span {
            color: var(--primary);
        }
        .hero-sub {
            font-size: 17px;
            line-height: 1.8;
            color: var(--body);
            max-width: 520px;
            margin-bottom: 30px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 28px;
        }
        .hero-trust {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
        }
        .hero-trust span {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            font-size: 14px;
            color: var(--muted);
        }
        .hero-trust i {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--primary);
        }

        .hero-visual {
            position: relative;
        }
        .hero-img-wrap {
            border-radius: 24px;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 4px solid #fff;
        }
        .hero-img-wrap img {
            width: 100%;
            height: 420px;
            object-fit: cover;
        }
        .hero-img-label {
            position: absolute;
            left: 20px;
            bottom: 20px;
            background: rgba(20, 35, 27, .82);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: .04em;
            backdrop-filter: blur(6px);
            padding: 8px 16px;
            border-radius: 999px;
        }
        .float-card {
            position: absolute;
            background: rgba(255, 255, 255, .9);
            backdrop-filter: blur(8px);
            border: 1px solid var(--line);
            border-radius: 14px;
            box-shadow: var(--shadow-lg);
            padding: 14px 18px;
        }
        .float-card .fc-label {
            font-size: 12px;
            color: var(--muted);
            margin-bottom: 2px;
        }
        .float-card .fc-value {
            font-size: 15px;
            font-weight: 700;
            color: var(--ink);
        }
        .float-card.fc-1 {
            top: 20px;
            left: -22px;
        }
        .float-card.fc-2 {
            right: -14px;
            bottom: 40px;
        }

        /* ---------- 按钮 ---------- */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 48px;
            padding: 0 24px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 15px;
            border: 0;
            line-height: 1.4;
            transition: all .2s ease;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 10px 24px rgba(30, 122, 76, .24);
        }
        .btn-primary:active {
            transform: translateY(1px);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            transform: translateY(-1px);
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 10px 24px rgba(244, 122, 32, .28);
        }
        .btn-block {
            width: 100%;
        }

        /* ---------- 数据带 ---------- */
        .stat-band {
            background: var(--dark);
            color: #fff;
            padding: 56px 0 40px;
            position: relative;
            overflow: hidden;
        }
        .stat-band::after {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 220px;
            height: 100%;
            background: repeating-linear-gradient(115deg, rgba(255, 255, 255, .03) 0 2px, transparent 2px 20px);
            pointer-events: none;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-item {
            padding: 20px 12px;
            border-left: 1px solid rgba(255, 255, 255, .14);
        }
        .stat-num {
            font-size: 38px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -.02em;
            line-height: 1.2;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .stat-num em {
            font-style: normal;
            color: var(--accent);
            font-size: 28px;
        }
        .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, .7);
            margin-top: 8px;
        }
        .stat-footnote {
            margin-top: 24px;
            font-size: 12px;
            color: rgba(255, 255, 255, .5);
            text-align: right;
        }

        /* ---------- 痛点区 ---------- */
        .section-head {
            margin-bottom: 44px;
        }
        .section-rule {
            display: block;
            width: 36px;
            height: 4px;
            border-radius: 4px;
            background: var(--accent);
            margin-bottom: 14px;
        }
        .section-head h2 {
            font-size: 34px;
            line-height: 1.3;
            font-weight: 800;
            color: var(--ink);
            letter-spacing: -.02em;
            margin-bottom: 12px;
        }
        .section-head p {
            font-size: 16px;
            color: var(--muted);
            max-width: 640px;
        }

        .pain-section {
            padding: 96px 0;
        }
        .pain-grid {
            display: grid;
            grid-template-columns: 1.1fr .9fr;
            gap: 60px;
            align-items: center;
        }
        .pain-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .pain-item {
            display: flex;
            align-items: flex-start;
            gap: 22px;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius);
            padding: 24px 28px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow .2s ease, transform .2s ease;
        }
        .pain-item:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .pain-no {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
        }
        .pain-item h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 4px;
        }
        .pain-item p {
            font-size: 15px;
            color: var(--muted);
        }
        .pain-aside {
            border-radius: 20px;
            overflow: hidden;
            position: relative;
            box-shadow: var(--shadow-sm);
        }
        .pain-aside img {
            width: 100%;
            height: 420px;
            object-fit: cover;
        }
        .pain-aside blockquote {
            position: absolute;
            left: 20px;
            right: 20px;
            bottom: 20px;
            background: rgba(255, 255, 255, .9);
            backdrop-filter: blur(8px);
            border-left: 4px solid var(--accent);
            border-radius: 12px;
            padding: 14px 18px;
            font-size: 14px;
            color: var(--ink);
            font-weight: 500;
            margin: 0;
        }

        /* ---------- 功能卖点区 ---------- */
        .feature-section {
            background: #fff;
            padding: 96px 0;
        }
        .feature-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .feature-card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius);
            padding: 30px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow .2s ease, transform .2s ease;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .feature-wide {
            grid-column: span 1;
        }
        .feature-icon {
            width: 46px;
            height: 46px;
            border-radius: 12px;
            background: var(--primary-light);
            display: grid;
            place-items: center;
            font-size: 22px;
            color: var(--primary);
            margin-bottom: 18px;
        }
        .feature-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 10px;
        }
        .feature-card p {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.72;
        }

        /* ---------- 步骤区 ---------- */
        .step-section {
            padding: 96px 0;
        }
        .step-grid {
            display: grid;
            grid-template-columns: .95fr 1.05fr;
            gap: 60px;
            align-items: center;
        }
        .step-visual {
            border-radius: 24px;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .step-visual img {
            width: 100%;
            height: 430px;
            object-fit: cover;
        }
        .step-visual::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(20, 35, 27, .45));
            pointer-events: none;
        }
        .step-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 18px;
            counter-reset: step;
        }
        .step-list li {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            background: rgba(255, 255, 255, .65);
            border: 1px solid var(--line);
            border-radius: 14px;
            padding: 18px 20px;
            font-size: 15px;
            color: var(--body);
        }
        .step-list li span {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 14px;
            display: grid;
            place-items: center;
            flex: 0 0 auto;
        }

        /* ---------- 场景区 ---------- */
        .scene-section {
            background: #fff;
            padding: 96px 0;
        }
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .scene-card {
            border-radius: 22px;
            overflow: hidden;
            background: #fff;
            border: 1px solid var(--line);
            box-shadow: var(--shadow-sm);
            transition: box-shadow .2s ease, transform .2s ease;
            display: flex;
            flex-direction: column;
        }
        .scene-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .scene-media {
            position: relative;
            height: 220px;
            overflow: hidden;
        }
        .scene-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .scene-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(255, 255, 255, .9);
            backdrop-filter: blur(4px);
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 999px;
            letter-spacing: .02em;
        }
        .scene-body {
            padding: 22px 24px 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .scene-body h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 8px;
        }
        .scene-body p {
            font-size: 15px;
            color: var(--muted);
            margin-bottom: 16px;
        }
        .scene-link {
            font-size: 14px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: auto;
        }

        /* ---------- CTA ---------- */
        .cta-band {
            background: var(--dark);
            padding: 96px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-band::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(ellipse at 85% 30%, rgba(244, 122, 32, .18) 0%, transparent 55%);
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 760px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: 34px;
            line-height: 1.35;
            font-weight: 800;
            color: #fff;
            letter-spacing: -.02em;
            margin-bottom: 18px;
        }
        .cta-inner p {
            color: rgba(255, 255, 255, .78);
            font-size: 16px;
            margin-bottom: 28px;
        }
        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }

        /* ---------- FAQ ---------- */
        .faq-section {
            padding: 96px 0;
        }
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--line);
            background: transparent;
            margin-bottom: 0;
        }
        .faq-item summary {
            list-style: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            font-size: 17px;
            font-weight: 600;
            color: var(--ink);
            padding: 22px 4px;
            transition: color .2s ease;
            position: relative;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: "+";
            font-size: 24px;
            font-weight: 400;
            color: var(--primary);
            transition: transform .2s ease;
            flex: 0 0 auto;
        }
        .faq-item[open] summary::after {
            content: "−";
            transform: rotate(90deg);
        }
        .faq-item p {
            font-size: 15px;
            color: var(--muted);
            padding: 0 32px 22px 4px;
            line-height: 1.8;
            max-width: 660px;
        }
        .faq-more {
            text-align: center;
            margin-top: 28px;
        }
        .faq-more a {
            display: inline-block;
            font-weight: 600;
            font-size: 15px;
        }

        /* ---------- 页脚 ---------- */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, .75);
            padding-top: 72px;
            padding-bottom: 28px;
        }
        .footer-top .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 44px;
            padding-bottom: 52px;
        }
        .footer-brand {
            color: #fff;
            font-size: 19px;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .footer-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, .6);
            line-height: 1.8;
            max-width: 280px;
        }
        .site-footer h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 18px;
        }
        .site-footer ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .site-footer ul li {
            margin-bottom: 10px;
        }
        .site-footer ul a {
            color: rgba(255, 255, 255, .65);
            font-size: 14px;
        }
        .site-footer ul a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .12);
            padding-top: 22px;
            font-size: 13px;
            color: rgba(255, 255, 255, .45);
        }
        .to-top {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .1);
            color: #fff;
            font-size: 18px;
            transition: background .2s ease;
            margin-left: auto;
        }
        .to-top:hover {
            background: var(--accent);
            color: #fff;
        }

        /* ---------- 弹层表单 ---------- */
        .modal-overlay {
            position: fixed;
            inset: 0;
            z-index: 100;
            background: rgba(20, 35, 27, .6);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            display: none;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }
        .modal-overlay.open {
            display: flex;
        }
        .modal-card {
            width: 100%;
            max-width: 440px;
            background: #fff;
            border-radius: 24px;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            max-height: calc(100vh - 40px);
            overflow-y: auto;
            position: relative;
        }
        .modal-head {
            background: var(--dark);
            padding: 30px 32px 26px;
        }
        .modal-head h3 {
            color: #fff;
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 8px;
        }
        .modal-head p {
            color: rgba(255, 255, 255, .68);
            font-size: 14px;
        }
        .modal-close {
            position: absolute;
            top: 10px;
            right: 10px;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .14);
            color: #fff;
            font-size: 20px;
            border: 0;
            display: grid;
            place-items: center;
            transition: background .2s ease;
            z-index: 2;
            cursor: pointer;
        }
        .modal-close:hover {
            background: var(--accent);
        }
        .support-form {
            padding: 24px 32px 28px;
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 8px;
        }
        .form-group input,
        .form-group textarea {
            width: 100%;
            border: 1px solid var(--line);
            border-radius: 12px;
            padding: 12px 14px;
            font-size: 14px;
            background: #fff;
            color: var(--ink);
            transition: border-color .2s ease, box-shadow .2s ease;
        }
        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(30, 122, 76, .12);
        }
        .form-group textarea {
            resize: vertical;
        }
        .privacy-note {
            margin-top: 16px;
            font-size: 12px;
            color: var(--muted);
            line-height: 1.7;
        }

        /* ---------- 响应式 ---------- */
        @media (max-width: 1023px) {
            .nav-links {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .hero-section {
                padding: 130px 0 72px;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 44px;
            }
            .hero-section h1 {
                font-size: 40px;
            }
            .float-card.fc-1 {
                left: 8px;
            }
            .float-card.fc-2 {
                right: 8px;
            }
            .pain-grid,
            .step-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .scene-grid {
                grid-template-columns: 1fr;
            }
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-top .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 640px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .site-nav {
                top: 10px;
                width: calc(100% - 20px);
                padding: 0 10px 0 14px;
            }
            .brand-text {
                font-size: 14px;
                max-width: 150px;
                overflow: hidden;
                text-overflow: ellipsis;
                white-space: nowrap;
            }
            .hero-section {
                padding: 120px 0 60px;
            }
            .hero-section h1 {
                font-size: 32px;
                line-height: 1.3;
            }
            .hero-sub {
                font-size: 16px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn {
                max-width: none;
            }
            .hero-img-wrap img {
                height: 260px;
            }
            .float-card {
                padding: 10px 14px;
            }
            .float-card.fc-1 {
                top: -6px;
            }
            .float-card.fc-2 {
                bottom: 20px;
            }
            .stat-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stat-item {
                border-left: 0;
                border-bottom: 1px solid rgba(255, 255, 255, .12);
                padding: 14px 0;
            }
            .pain-section,
            .feature-section,
            .step-section,
            .scene-section,
            .faq-section,
            .cta-band {
                padding: 64px 0;
            }
            .section-head h2 {
                font-size: 26px;
            }
            .section-head p {
                font-size: 15px;
            }
            .pain-item {
                flex-direction: column;
                gap: 8px;
                padding: 20px;
            }
            .pain-aside img {
                height: 260px;
            }
            .feature-card {
                padding: 22px 20px;
            }
            .step-visual img {
                height: 260px;
            }
            .cta-inner h2 {
                font-size: 26px;
            }
            .cta-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .cta-actions .btn {
                width: 100%;
            }
            .footer-top .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .site-footer {
                padding-top: 48px;
            }
            .modal-card {
                border-radius: 16px;
            }
            .support-form {
                padding: 20px;
            }
        }

/* roulang page: category4 */
:root{
    --green:#1E7A4C;
    --green-dark:#155C39;
    --orange:#F47A20;
    --orange-dark:#D96311;
    --bg:#F7F6F2;
    --card:#FFFFFF;
    --title:#1A2B22;
    --text:#3E4F45;
    --muted:#6E7C74;
    --border:#E4E9E5;
    --dark:#14231B;
    --success:#2BA471;
    --danger:#D9422F;
    --green-soft:#E3F2E9;
    --green-deep-soft:#dcefe2;
    --radius:16px;
    --shadow-sm:0 1px 2px rgba(20,35,27,.05);
    --shadow-md:0 12px 32px rgba(20,35,27,.10);
    --space-section:96px;
    --font:"Inter","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:var(--font);
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  a{color:var(--green);text-decoration:none;transition:color .2s, background .2s, border-color .2s, box-shadow .2s}
  a:hover{color:var(--orange)}
  button,input,textarea{font-family:inherit;font-size:inherit}
  .container{max-width:1200px;margin:0 auto;padding:0 24px}
  .section{padding:var(--space-section) 0}
  .section-alt{background:#fff}
  .section-head{max-width:820px;margin-bottom:48px}
  .overline{
    display:inline-flex;align-items:center;gap:8px;
    color:var(--green);font-size:13px;font-weight:700;
    letter-spacing:.14em;text-transform:uppercase;
    font-family:var(--font);
  }
  .overline::before{content:"";width:36px;height:4px;background:var(--orange);border-radius:99px;flex:none}
  .section-head h2{
    font-size:clamp(28px,3.4vw,38px);
    font-weight:800;color:var(--title);
    line-height:1.25;letter-spacing:-.01em;
    margin:14px 0 12px;
  }
  .section-head p{font-size:17px;color:var(--muted);max-width:680px;margin:0}
  .section-sub{font-size:16px;color:var(--muted);line-height:1.8;max-width:720px}

  /* 悬浮胶囊导航 */
  .site-header{position:fixed;top:16px;left:0;right:0;z-index:80;pointer-events:none}
  .nav-pill-wrap{max-width:1200px;margin:0 auto;padding:0 24px;pointer-events:none}
  .nav-pill{
    pointer-events:auto;
    display:flex;align-items:center;justify-content:space-between;
    background:rgba(247,246,242,.88);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    height:58px;border-radius:999px;border:1px solid rgba(30,122,76,.16);
    box-shadow:0 10px 30px rgba(20,35,27,.08);
    padding:0 10px 0 18px;
    transition:box-shadow .2s;
  }
  .nav-pill:hover{box-shadow:0 14px 36px rgba(20,35,27,.12)}
  .brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:16px;color:var(--title);white-space:nowrap}
  .brand:hover{color:var(--green)}
  .brand-mark{
    width:34px;height:34px;flex:none;border-radius:12px;
    background:var(--green);color:#fff;display:inline-grid;place-items:center;
    font-weight:900;font-size:17px;letter-spacing:-.02em;
    box-shadow:inset 0 -2px 0 rgba(0,0,0,.10);
  }
  .nav-links{display:flex;gap:6px;align-items:center}
  .nav-link{
    display:inline-flex;align-items:center;justify-content:center;
    padding:8px 18px;border-radius:999px;
    font-size:14px;font-weight:600;color:#385045;
    background:transparent;border:1px solid transparent;
    line-height:1;transition:all .22s;
  }
  .nav-link:hover{background:var(--green-soft);color:var(--green-dark)}
  .nav-link.active{background:var(--green);color:#fff;box-shadow:0 6px 16px rgba(30,122,76,.22)}
  .nav-cta{background:var(--green);color:#fff;border-radius:999px;padding:8px 22px;font-weight:600}
  .nav-cta:hover{background:var(--green-dark);color:#fff}
  .nav-toggle{display:none;width:44px;height:44px;border:0;background:transparent;border-radius:999px;cursor:pointer;position:relative;color:var(--title)}
  .nav-toggle span,.nav-toggle span:before,.nav-toggle span:after{content:"";position:absolute;left:50%;width:20px;height:2px;background:var(--title);border-radius:99px;transform:translate(-50%,-50%);transition:all .25s}
  .nav-toggle span{top:50%}
  .nav-toggle span:before{top:-7px}
  .nav-toggle span:after{top:7px}
  .nav-toggle.open span{background:transparent}
  .nav-toggle.open span:before{top:0;transform:translate(-50%,-50%) rotate(45deg)}
  .nav-toggle.open span:after{top:0;transform:translate(-50%,-50%) rotate(-45deg)}
  @media (max-width:1023px){
    .nav-pill-wrap{padding:0 16px}
    .nav-pill{padding:0 8px 0 16px}
    .nav-toggle{display:inline-flex}
    .nav-links{
      display:none;position:absolute;top:66px;right:16px;left:auto;
      background:#fff;border:1px solid var(--border);border-radius:24px;
      flex-direction:column;align-items:stretch;gap:8px;
      min-width:280px;padding:14px;
      box-shadow:0 24px 60px rgba(20,35,27,.16);
    }
    .nav-links.open{display:flex}
    .nav-link{padding:13px 18px;justify-content:flex-start}
  }
  @media (max-width:520px){
    .nav-pill{height:54px}
    .brand{font-size:15px}
    .nav-links{min-width:calc(100vw - 32px)}
  }

  /* Hero */
  .hero{
    position:relative;overflow:hidden;
    background:linear-gradient(130deg,rgba(247,246,242,.92) 0%,rgba(227,242,233,.90) 55%,rgba(247,246,242,.88) 100%),
      url('/assets/images/backpic/back-1.png') center/cover;
    padding:168px 0 108px;
    border-bottom:1px solid var(--border);
  }
  .hero::after{
    content:"HELP";
    position:absolute;right:-10px;bottom:-34px;
    font-size:190px;font-weight:900;letter-spacing:-.01em;
    color:rgba(30,122,76,.05);pointer-events:none;line-height:1;
    font-family:var(--font);
  }
  .hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.02fr .98fr;gap:72px;align-items:center}
  .breadcrumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);margin-bottom:28px}
  .breadcrumb a{color:var(--green);font-weight:600}
  .breadcrumb a:hover{color:var(--orange)}
  .breadcrumb span{opacity:.7}
  .hero-content .eyebrow{color:var(--green);font-weight:800;letter-spacing:.16em;font-size:13px;display:inline-flex;align-items:center;gap:10px}
  .hero-content .eyebrow::before{content:"";width:42px;height:4px;background:var(--orange);border-radius:99px}
  .hero-content h1{
    margin:20px 0 18px;
    font-size:clamp(32px,4.8vw,54px);
    font-weight:800;line-height:1.18;
    color:var(--title);letter-spacing:-.025em;
  }
  .hero-content h1 .hl{color:var(--green);position:relative;white-space:nowrap}
  .hero-lead{font-size:17px;line-height:1.9;color:#415449;max-width:560px;margin:0 0 30px}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
  .hero-trust{display:flex;flex-wrap:wrap;gap:8px;align-items:center;list-style:none;padding:0;margin:0}
  .hero-trust li{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:#476052;background:rgba(255,255,255,.78);border:1px solid rgba(30,122,76,.12);border-radius:999px;padding:8px 14px}
  .hero-trust .dot{width:6px;height:6px;border-radius:50%;background:var(--success);flex:none}
  .hero-visual{position:relative;z-index:2}
  .hero-pic{
    position:relative;border-radius:28px;overflow:hidden;
    box-shadow:0 28px 70px rgba(20,35,27,.18);
    border:6px solid rgba(255,255,255,.55);
    background:#fff;
  }
  .hero-pic img{width:100%;aspect-ratio:4/3.4;object-fit:cover}
  .green-tag{
    position:absolute;left:16px;top:16px;
    background:rgba(30,122,76,.86);color:#fff;
    backdrop-filter:blur(4px);
    border-radius:999px;font-size:13px;font-weight:600;padding:7px 15px;
    box-shadow:0 6px 20px rgba(20,35,27,.16);
  }
  .mock-card{
    width:min(320px,88%);
    background:#fff;border:1px solid var(--border);border-radius:22px;
    padding:20px 22px 14px;
    box-shadow:0 24px 54px rgba(20,35,27,.18);
    position:absolute;left:-28px;bottom:-38px;
  }
  .mock-dots{display:flex;gap:6px;margin-bottom:16px}
  .mock-dots i{width:8px;height:8px;border-radius:50%;background:#CFE0D5;display:block}
  .mock-dots i:first-child{background:var(--orange)}
  .mock-title{font-weight:800;font-size:15px;color:var(--title);margin:0 0 12px}
  .mock-line{height:38px;border-radius:10px;background:#F0F4F1;margin-bottom:10px;display:flex;align-items:center;padding:0 12px;color:#88988F;font-size:13px;border:1px solid #EDF1ED}
  .mock-submit{height:40px;border-radius:999px;background:var(--green);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;margin-top:14px}
  .mock-note{text-align:center;font-size:11px;color:#94A299;margin:10px 0 0;display:block}
  @media (max-width:1023px){
    .hero{padding:150px 0 110px}
    .hero-grid{grid-template-columns:1fr;gap:80px}
    .mock-card{left:auto;right:4%;bottom:-32px}
  }
  @media (max-width:640px){
    .hero{padding:132px 0 88px}
    .hero-grid{gap:70px}
    .hero-actions .btn{width:100%;justify-content:center}
    .mock-card{width:calc(100% - 32px);right:0;left:0;margin:0 auto}
  }

  /* 按钮 */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:999px;font-weight:700;line-height:1;border:1.5px solid transparent;
    cursor:pointer;transition:all .22s ease;white-space:nowrap;
    font-size:15px;padding:0 24px;height:48px;
  }
  .btn-lg{padding:0 28px;height:52px;font-size:16px}
  .btn-primary{background:var(--green);color:#fff;box-shadow:0 8px 20px rgba(30,122,76,.18)}
  .btn-primary:hover{background:var(--green-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(30,122,76,.24)}
  .btn-primary:active{transform:translateY(1px);box-shadow:none}
  .btn-secondary{background:rgba(255,255,255,.85);color:var(--green);border-color:var(--green)}
  .btn-secondary:hover{background:var(--green-soft);color:var(--green-dark);transform:translateY(-1px)}
  .btn-secondary:active{transform:translateY(1px)}
  .btn-orange{background:var(--orange);color:#fff;box-shadow:0 10px 24px rgba(244,122,32,.22)}
  .btn-orange:hover{background:var(--orange-dark);color:#fff;transform:translateY(-1px)}
  .btn-white{background:#fff;color:var(--dark);border-color:transparent}
  .btn-white:hover{background:#F7F6F2;color:var(--green-dark)}
  .btn:focus-visible,.nav-link:focus-visible,.nav-toggle:focus-visible,.faq-summary:focus-visible{outline:3px solid rgba(244,122,32,.38);outline-offset:2px}
  @media (max-width:520px){.btn{padding:0 20px}}

  /* 常用卡片 */
  .soft-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:32px}
  .info-tag{display:inline-flex;align-items:center;gap:6px;border-radius:999px;background:var(--green-soft);color:var(--green);font-size:13px;font-weight:700;padding:6px 14px}

  /* 提示问题面板 */
  .alert-stack{display:grid;gap:18px}
  .alert-row{
    background:#fff;border:1px solid var(--border);border-radius:20px;
    display:grid;grid-template-columns:96px 1fr auto;align-items:center;
    gap:8px 24px;padding:28px 32px;box-shadow:var(--shadow-sm);
    transition:all .25s ease;
    position:relative;overflow:hidden;
  }
  .alert-row::before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--green);opacity:.8}
  .alert-row:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:rgba(30,122,76,.24)}
  .alert-num{font-size:42px;font-weight:900;color:rgba(30,122,76,.15);line-height:1;letter-spacing:-.03em;font-family:var(--font)}
  .alert-body h3{margin:0 0 6px;font-size:19px;font-weight:800;color:var(--title)}
  .alert-body p{margin:0;color:var(--muted);font-size:15px;line-height:1.8}
  .alert-tag{background:var(--green-soft);color:var(--green-dark);border-radius:999px;font-size:13px;font-weight:700;padding:6px 14px;white-space:nowrap}
  @media (max-width:768px){
    .alert-row{grid-template-columns:64px 1fr;padding:24px 22px}
    .alert-tag{display:none}
  }
  @media (max-width:520px){.alert-row{grid-template-columns:1fr}.alert-num{font-size:30px}}

  /* 分段式时间轴 */
  .phase-guide{padding:0}
  .phase-timeline{position:relative;margin:0;padding:0;list-style:none;display:grid;gap:0}
  .phase-item{
    display:grid;grid-template-columns:160px 1fr;
    gap:34px;padding:34px 0;border-bottom:1px solid var(--border);
    position:relative;
  }
  .phase-item:last-child{border-bottom:0}
  .phase-pill{
    width:max-content;height:max-content;min-width:126px;
    background:var(--green);color:#fff;border-radius:999px;
    padding:10px 18px;font-weight:700;font-size:14px;text-align:center;
    box-shadow:0 8px 18px rgba(30,122,76,.16);
  }
  .phase-item:nth-child(2) .phase-pill{background:var(--orange);box-shadow:0 8px 18px rgba(244,122,32,.18)}
  .phase-item:nth-child(3) .phase-pill{background:var(--dark)}
  .phase-content h3{margin:4px 0 8px;font-size:21px;color:var(--title);font-weight:800}
  .phase-content p{margin:0;color:var(--muted);max-width:620px;font-size:15px;line-height:1.9}
  .phase-content .phase-label{font-size:12px;letter-spacing:.12em;font-weight:700;color:#93A39A;text-transform:uppercase}
  @media (max-width:768px){
    .phase-item{grid-template-columns:1fr;gap:12px;padding:26px 0}
  }

  /* 图文分区 */
  .split-grid{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}
  .split-media{position:relative;border-radius:24px;overflow:hidden;box-shadow:0 24px 60px rgba(20,35,27,.14);background:#fff}
  .split-media img{width:100%;aspect-ratio:4/3.2;object-fit:cover}
  .split-media .media-note{
    position:absolute;left:16px;bottom:16px;right:16px;
    background:rgba(20,35,27,.74);color:#fff;backdrop-filter:blur(6px);
    border-radius:14px;padding:12px 18px;font-size:13px;line-height:1.6;
  }
  .split-media .media-note strong{color:var(--orange)}
  .step-list{display:grid;gap:22px;margin-top:22px}
  .step-list-item{display:flex;gap:20px;align-items:flex-start}
  .step-num{
    width:42px;height:42px;flex:none;border-radius:50%;background:var(--green-soft);
    color:var(--green);font-weight:900;display:inline-flex;align-items:center;justify-content:center;
    font-size:15px;border:1px solid rgba(30,122,76,.14);
  }
  .step-list-item h4{margin:0 0 4px;font-size:17px;color:var(--title);font-weight:800}
  .step-list-item p{margin:0;color:var(--muted);font-size:14px;line-height:1.75}
  @media (max-width:900px){
    .split-grid{grid-template-columns:1fr;gap:44px}
  }

  /* 周边栏目入口 */
  .channel-stack{display:grid;gap:16px}
  .channel-row{
    display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;
    background:#fff;border:1px solid var(--border);border-radius:18px;
    padding:24px 28px;box-shadow:var(--shadow-sm);
    transition:all .25s ease;
  }
  .channel-row:hover{box-shadow:var(--shadow-md);transform:translateY(-4px);border-color:rgba(30,122,76,.22)}
  .channel-row .ch-title{display:flex;align-items:center;gap:14px;margin:0 0 6px;font-size:18px;font-weight:800;color:var(--title)}
  .channel-row .ch-title i{width:34px;height:34px;border-radius:10px;background:var(--green-soft);color:var(--green);display:inline-flex;align-items:center;justify-content:center;font-style:normal;font-weight:900}
  .channel-row p{margin:0;color:var(--muted);font-size:14px}
  .channel-arrow{color:var(--green);font-weight:800;font-size:26px;display:flex;align-items:center}
  @media (max-width:640px){
    .channel-row{grid-template-columns:1fr;gap:10px;padding:22px}
  }

  /* FAQ */
  .faq-list{max-width:820px}
  .faq-item{border-bottom:1px solid var(--border)}
  .faq-item:first-child{border-top:1px solid var(--border)}
  .faq-summary{
    list-style:none;display:flex;justify-content:space-between;align-items:center;gap:24px;
    padding:24px 4px;cursor:pointer;font-weight:700;font-size:17px;color:var(--title);
    transition:color .2s;
  }
  .faq-summary::-webkit-details-marker{display:none}
  .faq-summary:hover{color:var(--green)}
  .faq-item[open] .faq-summary{color:var(--green)}
  .faq-icon{width:28px;height:28px;flex:none;border-radius:50%;background:var(--green-soft);color:var(--green);display:inline-flex;align-items:center;justify-content:center;font-size:20px;font-weight:600;transition:all .25s;line-height:1}
  .faq-item[open] .faq-icon{background:var(--green);color:#fff;transform:rotate(45deg)}
  .faq-answer{padding:0 30px 24px 4px;color:var(--muted);font-size:15px;line-height:1.9;max-width:760px}
  .faq-answer p{margin:0 0 10px}
  .faq-answer p:last-child{margin-bottom:0}

  /* CTA */
  .cta-wrap{padding-bottom:var(--space-section)}
  .cta-band{
    background:var(--dark);color:#fff;border-radius:30px;
    padding:60px 48px;position:relative;overflow:hidden;
    background-image:linear-gradient(rgba(244,122,32,.14) 1px,transparent 1px),linear-gradient(90deg,rgba(244,122,32,.10) 1px,transparent 1px);
    background-size:44px 44px;
  }
  .cta-band::before{content:"";position:absolute;width:240px;height:240px;right:-70px;top:-70px;border-radius:50%;background:rgba(244,122,32,.16)}
  .cta-band::after{content:"";position:absolute;width:130px;height:4px;left:0;bottom:0;background:var(--orange)}
  .cta-content{position:relative;z-index:2;max-width:720px}
  .cta-content h2{font-size:clamp(27px,3.4vw,38px);font-weight:800;line-height:1.25;margin:0 0 12px;color:#fff}
  .cta-content p{color:#C4D0CA;font-size:16px;margin:0 0 30px;max-width:600px;line-height:1.8}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px}
  .cta-note{margin-top:20px;font-size:13px;color:#8CA095}
  @media (max-width:640px){
    .cta-band{padding:42px 24px;border-radius:22px}
    .cta-actions .btn{width:100%}
  }

  /* 页脚 */
  .site-footer{background:var(--dark);color:#B9C6C0;margin-top:0;padding:68px 0 28px}
  .footer-top .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.3fr;gap:44px}
  .footer-brand{color:#fff !important;font-size:18px;font-weight:800;margin:0 0 14px}
  .footer-desc{color:#9AAEA5;font-size:14px;line-height:1.9;margin:0;max-width:360px}
  .site-footer h4{color:#fff;font-size:15px;font-weight:700;margin:4px 0 18px;letter-spacing:.04em}
  .site-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:12px}
  .site-footer ul a{color:#9AAEA5;font-size:14px;transition:color .2s}
  .site-footer ul a:hover{color:#fff}
  .footer-bottom{border-top:1px solid rgba(255,255,255,.10);margin-top:52px;padding-top:24px}
  .footer-bottom p{font-size:13px;color:#7F958C;margin:0}
  .to-top{
    width:42px;height:42px;border-radius:50%;background:rgba(255,255,255,.08);
    color:#fff !important;display:inline-flex;align-items:center;justify-content:center;
    font-size:19px;transition:all .2s;flex:none;
  }
  .to-top:hover{background:var(--orange);color:#fff !important;transform:translateY(-4px)}
  @media (max-width:900px){
    .footer-grid{grid-template-columns:1fr 1fr !important;gap:38px}
  }
  @media (max-width:560px){
    .footer-grid{grid-template-columns:1fr !important}
    .footer-bottom{gap:12px}
  }

  /* 弹层表单 */
  .modal-mask{
    position:fixed;inset:0;z-index:999;display:none;align-items:center;justify-content:center;
    background:rgba(20,59,43,.62);backdrop-filter:blur(7px);padding:16px;
  }
  .modal-mask.open{display:flex}
  .modal-card{width:100%;max-width:420px;background:#fff;border-radius:24px;box-shadow:0 30px 80px rgba(20,35,27,.26);overflow:hidden}
  .modal-head{background:var(--green);padding:26px 26px 22px;color:#fff;position:relative}
  .modal-head h3{margin:0;font-size:21px;font-weight:800}
  .modal-head p{margin:8px 0 0;font-size:13px;color:rgba(255,255,255,.86);line-height:1.6}
  .modal-close{
    position:absolute;top:16px;right:16px;width:40px;height:40px;border:0;border-radius:50%;
    background:rgba(255,255,255,.14);color:#fff;font-size:18px;cursor:pointer;transition:all .2s;
    display:inline-flex;align-items:center;justify-content:center;
  }
  .modal-close:hover{background:rgba(255,255,255,.32);transform:rotate(90deg)}
  .modal-form{padding:26px}
  .form-group{margin-bottom:18px}
  .form-group label{display:block;font-weight:700;font-size:13px;color:var(--title);margin-bottom:7px}
  .form-group input,.form-group textarea,.form-group select{
    width:100%;border:1.5px solid #E6E9E6;border-radius:12px;
    padding:12px 15px;background:#FBFCF9;font-size:14px;color:var(--text);
    transition:all .2s;outline:none;
  }
  .form-group input:focus,.form-group textarea:focus{border-color:var(--green);background:#fff;box-shadow:0 0 0 4px rgba(30,122,76,.10)}
  .form-group textarea{resize:vertical;min-height:96px}
  .form-submit{width:100%;height:50px;border:0;border-radius:999px;background:var(--green);color:#fff;font-weight:700;font-size:15px;cursor:pointer;transition:all .2s}
  .form-submit:hover{background:var(--green-dark)}
  .form-success{display:none;background:#E9F7EF;border-radius:14px;padding:16px;text-align:center;color:#0B6A3C;font-size:14px;font-weight:600}
  .modal-note{font-size:12px;color:#94A299;line-height:1.7;margin-top:16px;margin-bottom:0;text-align:center}