/* roulang page: index */
:root {
  --primary: #1F7A3D;
  --primary-dark: #125727;
  --accent: #F58220;
  --bg: #F7F8F5;
  --card: #FFFFFF;
  --text: #1E1F22;
  --muted: #5B6466;
  --border: #E5E9E4;
  --radius: 1rem;
  --shadow-sm: 0 2px 10px rgba(18, 87, 39, .06);
  --shadow-lg: 0 18px 44px rgba(18, 87, 39, .13);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; transition: color .25s ease; }
button { font-family: inherit; cursor: pointer; }
input { font-family: inherit; }

.container-custom {
  max-width: 1280px;
  margin: 0 auto;
  padding-left: 1rem;
  padding-right: 1rem;
}
@media (min-width: 640px) {
  .container-custom { padding-left: 1.5rem; padding-right: 1.5rem; }
}
@media (min-width: 1024px) {
  .container-custom { padding-left: 2rem; padding-right: 2rem; }
}

.nav-shell {
  position: fixed;
  top: 1rem;
  left: 0;
  right: 0;
  z-index: 50;
  padding-left: 1rem;
  padding-right: 1rem;
}
.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  background: rgba(255,255,255,.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-radius: 999px;
  box-shadow: 0 10px 30px rgba(18,87,39,.10);
  padding: .6rem 1rem .6rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  border: 1px solid rgba(255,255,255,.6);
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--text);
  white-space: nowrap;
}
.nav-logo .logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 999px;
  background: linear-gradient(135deg, #1F7A3D, #125727);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.15rem;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(31,122,61,.3);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: .25rem;
  list-style: none;
}
.nav-links a {
  padding: .5rem 1rem;
  border-radius: 999px;
  font-size: .9rem;
  font-weight: 600;
  color: #3A4245;
  transition: all .25s ease;
}
.nav-links a:hover {
  background: rgba(31,122,61,.08);
  color: var(--primary);
}
.nav-links a.active {
  background: rgba(31,122,61,.12);
  color: var(--primary);
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  font-size: .88rem;
  padding: .55rem 1.3rem;
  border-radius: 999px;
  box-shadow: 0 4px 14px rgba(31,122,61,.3);
  transition: all .25s ease;
  white-space: nowrap;
}
.nav-cta:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(18,87,39,.32);
}
.nav-cta:focus-visible,
.nav-links a:focus-visible,
.nav-mobile-btn:focus-visible {
  outline: 2px solid rgba(31,122,61,.5);
  outline-offset: 2px;
}
.nav-mobile-btn {
  display: none;
  background: transparent;
  border: none;
  color: var(--text);
  width: 44px;
  height: 44px;
  border-radius: 999px;
  align-items: center;
  justify-content: center;
}
.nav-mobile-btn svg { width: 24px; height: 24px; }
.mobile-menu {
  display: none;
  margin-top: .6rem;
  background: #fff;
  border-radius: 1.5rem;
  box-shadow: 0 20px 50px rgba(18,87,39,.18);
  padding: 1.4rem 1.4rem;
}
.mobile-menu.open { display: block; }
.mobile-menu a {
  display: block;
  padding: .85rem 1rem;
  border-radius: .9rem;
  font-weight: 600;
  color: var(--text);
  font-size: .98rem;
  transition: background .2s;
}
.mobile-menu a:hover { background: rgba(31,122,61,.07); color: var(--primary); }
.mobile-menu a.active { background: rgba(31,122,61,.12); color: var(--primary); }
.mobile-menu .mobile-cta {
  margin-top: .6rem;
  background: var(--accent);
  color: #fff;
  text-align: center;
  padding: .9rem 1rem;
  border-radius: 999px;
  font-weight: 700;
  box-shadow: 0 6px 18px rgba(245,130,32,.3);
}

.hero-section {
  position: relative;
  background-image: linear-gradient(100deg, rgba(13,53,32,.92) 0%, rgba(18,87,39,.72) 55%, rgba(31,122,61,.5) 100%), url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center 40%;
  padding: 8.2rem 0 5.5rem;
  color: #fff;
  overflow: hidden;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: rgba(255,255,255,.16);
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 999px;
  padding: .4rem 1rem;
  font-size: .82rem;
  font-weight: 600;
  backdrop-filter: blur(8px);
  margin-bottom: 1.5rem;
}
.hero-badge .dot {
  width: 8px; height: 8px;
  background: #7FE0A4;
  border-radius: 999px;
  display: inline-block;
}
.hero-title {
  font-size: clamp(2.05rem, 4.2vw, 3.35rem);
  line-height: 1.18;
  font-weight: 900;
  letter-spacing: -.01em;
  margin-bottom: 1.15rem;
}
.hero-title .text-accent { color: #FFC89B; }
.hero-subtitle {
  font-size: 1.05rem;
  line-height: 1.8;
  color: rgba(255,255,255,.86);
  max-width: 34rem;
  margin-bottom: 2rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .85rem;
  margin-bottom: 2rem;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  padding: .85rem 1.8rem;
  border-radius: 999px;
  box-shadow: 0 8px 24px rgba(31,122,61,.35);
  transition: all .25s ease;
  border: none;
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(18,87,39,.38);
}
.btn-secondary-light {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  background: rgba(255,255,255,.12);
  color: #fff;
  font-weight: 600;
  font-size: 1rem;
  padding: .85rem 1.8rem;
  border-radius: 999px;
  border: 1.5px solid rgba(255,255,255,.35);
  backdrop-filter: blur(6px);
  transition: all .25s ease;
}
.btn-secondary-light:hover {
  background: rgba(255,255,255,.2);
  border-color: rgba(255,255,255,.55);
}
.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem 1.75rem;
  font-size: .86rem;
  color: rgba(255,255,255,.78);
}
.hero-trust span {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
}
.hero-trust svg { width: 17px; height: 17px; color: #7FE0A4; }
.hero-card-wrap {
  position: relative;
}
.hero-preview-card {
  background: rgba(255,255,255,.95);
  border-radius: 1.6rem;
  padding: 1.4rem;
  box-shadow: 0 30px 70px rgba(0,0,0,.35);
  color: var(--text);
  max-width: 22rem;
  margin-left: auto;
  position: relative;
}
.hero-preview-card .preview-img {
  border-radius: 1rem;
  overflow: hidden;
  margin-bottom: 1rem;
  position: relative;
}
.hero-preview-card .preview-img img {
  width: 100%;
  height: 130px;
  object-fit: cover;
}
.hero-preview-card .preview-lock {
  position: absolute;
  top: .75rem;
  right: .75rem;
  background: rgba(0,0,0,.55);
  color: #fff;
  border-radius: 999px;
  font-size: .72rem;
  padding: .25rem .7rem;
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  backdrop-filter: blur(4px);
}
.hero-preview-card .preview-title {
  font-weight: 800;
  font-size: 1rem;
  margin-bottom: .35rem;
}
.hero-preview-card .preview-desc {
  font-size: .86rem;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: .9rem;
}
.hero-preview-card .preview-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: .8rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
  padding-top: .8rem;
}
@media (max-width: 1023px) {
  .hero-section { padding: 7.2rem 0 4rem; }
  .hero-preview-card { margin: 2rem auto 0; }
}

.section-padding { padding: 4.5rem 0; }
@media (min-width: 768px) { .section-padding { padding: 6rem 0; } }

.section-head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3rem;
}
.section-kicker {
  display: inline-block;
  background: rgba(31,122,61,.1);
  color: var(--primary);
  font-size: .8rem;
  font-weight: 700;
  padding: .3rem 1rem;
  border-radius: 999px;
  margin-bottom: .9rem;
}
.section-title {
  font-size: clamp(1.65rem, 3vw, 2.3rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -.01em;
  margin-bottom: .8rem;
}
.section-desc {
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.8;
}

.compare-table-wrap {
  background: #fff;
  border-radius: 1.4rem;
  box-shadow: var(--shadow-sm);
  overflow-x: auto;
  border: 1px solid var(--border);
}
.compare-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}
.compare-table th, .compare-table td {
  padding: 1.05rem 1.2rem;
  text-align: center;
  font-size: .92rem;
  border-bottom: 1px solid var(--border);
}
.compare-table th {
  background: #FAFBF9;
  font-weight: 800;
  font-size: 1rem;
}
.compare-table th:first-child {
  text-align: left;
  background: transparent;
}
.compare-table td:first-child {
  text-align: left;
  font-weight: 600;
  color: #2C3134;
}
.compare-table tr:last-child td { border-bottom: none; }
.compare-table tr:hover td {
  background: rgba(31,122,61,.02);
}
.compare-table .recommend-col {
  background: #FFF7ED !important;
  border-left: 2px solid var(--accent);
  border-right: 2px solid var(--accent);
  position: relative;
}
.compare-table th.recommend-col {
  background: #FFF7ED !important;
  border-top: 2px solid var(--accent);
}
.compare-table .recommend-badge {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-size: .7rem;
  font-weight: 700;
  padding: .18rem .65rem;
  border-radius: 999px;
  margin-left: .4rem;
  vertical-align: middle;
}
.tier-toggle {
  display: inline-flex;
  background: #F0F3EF;
  border-radius: 999px;
  padding: .3rem;
  margin-bottom: 1.5rem;
}
.tier-toggle button {
  background: transparent;
  border: none;
  padding: .5rem 1.2rem;
  border-radius: 999px;
  font-size: .85rem;
  font-weight: 600;
  color: var(--muted);
  transition: all .2s;
}
.tier-toggle button.active {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 2px 8px rgba(18,87,39,.1);
}

.tier-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 640px) {
  .tier-grid { grid-template-columns: 1fr; max-width: 38rem; margin: 0 auto; }
}
@media (min-width: 1024px) {
  .tier-grid { grid-template-columns: repeat(3, 1fr); gap: 1.5rem; max-width: none; margin: 0; }
}
.tier-card {
  background: #fff;
  border-radius: 1.4rem;
  padding: 2rem 1.8rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: transform .3s ease, box-shadow .3s ease;
  position: relative;
}
.tier-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.tier-card.center {
  border-color: var(--accent);
  box-shadow: 0 18px 44px rgba(245,130,32,.14);
}
@media (min-width: 1024px) {
  .tier-card.center { transform: scale(1.03); }
  .tier-card.center:hover { transform: scale(1.03) translateY(-6px); }
}
.tier-card .tier-tag {
  position: absolute;
  top: 1.1rem;
  right: 1.1rem;
  background: var(--accent);
  color: #fff;
  font-size: .7rem;
  font-weight: 700;
  padding: .22rem .7rem;
  border-radius: 999px;
}
.tier-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.2rem;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  box-shadow: 0 8px 20px rgba(31,122,61,.25);
}
.tier-icon.orange { background: linear-gradient(135deg, #F58220, #E06F00); box-shadow: 0 8px 20px rgba(245,130,32,.25); }
.tier-card .tier-name {
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: .3rem;
}
.tier-card .tier-sub {
  font-size: .82rem;
  color: var(--muted);
  margin-bottom: 1.3rem;
}
.tier-card ul {
  list-style: none;
  margin-bottom: 1.5rem;
}
.tier-card ul li {
  display: flex;
  align-items: flex-start;
  gap: .6rem;
  font-size: .9rem;
  color: #2C3134;
  padding: .4rem 0;
  line-height: 1.6;
}
.tier-card ul li svg {
  width: 18px;
  height: 18px;
  color: var(--primary);
  flex-shrink: 0;
  margin-top: .2rem;
}
.tier-link {
  font-size: .88rem;
  font-weight: 700;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  transition: gap .2s;
}
.tier-link:hover { gap: .6rem; color: var(--primary-dark); }

.content-wall {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.3rem;
}
@media (min-width: 1024px) {
  .content-wall { grid-template-columns: 7fr 5fr; }
}
.wall-main {
  background: #fff;
  border-radius: 1.4rem;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  position: relative;
  border: 1px solid var(--border);
  transition: box-shadow .3s;
}
.wall-main:hover { box-shadow: var(--shadow-lg); }
.wall-main .wall-img {
  position: relative;
  height: 300px;
  overflow: hidden;
}
.wall-main .wall-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s;
}
.wall-main:hover .wall-img img { transform: scale(1.03); }
.wall-main .wall-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.55), transparent 60%);
}
.wall-lock-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(0,0,0,.55);
  color: #fff;
  border-radius: 999px;
  font-size: .75rem;
  padding: .3rem .8rem;
  backdrop-filter: blur(6px);
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: .35rem;
}
.wall-main .wall-body {
  padding: 1.5rem;
}
.wall-main .wall-body h3 {
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: .5rem;
}
.wall-main .wall-body p {
  font-size: .92rem;
  color: var(--muted);
  line-height: 1.75;
}
.wall-small-list {
  display: grid;
  gap: 1.3rem;
  grid-template-columns: 1fr;
}
@media (min-width: 640px) and (max-width: 1023px) {
  .wall-small-list { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 1024px) {
  .wall-small-list { grid-template-columns: 1fr; }
}
.wall-small {
  background: #fff;
  border-radius: 1.2rem;
  padding: 1.1rem;
  display: flex;
  gap: 1rem;
  align-items: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: transform .25s, box-shadow .25s;
  position: relative;
}
.wall-small:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.wall-small .thumb {
  width: 88px;
  height: 88px;
  border-radius: .9rem;
  overflow: hidden;
  flex-shrink: 0;
}
.wall-small .thumb img { width: 100%; height: 100%; object-fit: cover; }
.wall-small .info h4 {
  font-size: .95rem;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: .3rem;
}
.wall-small .info p {
  font-size: .78rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: .3rem;
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}
.news-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border-radius: 1.2rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: all .3s ease;
}
.news-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
  border-color: rgba(31,122,61,.2);
}
.news-card .news-thumb {
  width: 100%;
  height: 200px;
  overflow: hidden;
  flex-shrink: 0;
  position: relative;
}
.news-card .news-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s;
}
.news-card:hover .news-thumb img { transform: scale(1.04); }
.news-card .news-body {
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  flex: 1;
}
.news-card .news-cat {
  display: inline-flex;
  background: rgba(31,122,61,.1);
  color: var(--primary);
  font-size: .75rem;
  font-weight: 700;
  padding: .22rem .85rem;
  border-radius: 999px;
  width: fit-content;
}
.news-card h3 {
  font-size: 1.1rem;
  font-weight: 800;
  line-height: 1.5;
}
.news-card p {
  font-size: .88rem;
  color: var(--muted);
  line-height: 1.75;
  flex: 1;
}
.news-card .news-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: .8rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
  padding-top: .8rem;
  margin-top: .3rem;
}
.news-card .view-link {
  color: var(--primary);
  font-weight: 700;
  font-size: .83rem;
  display: inline-flex;
  align-items: center;
  gap: .25rem;
  transition: gap .2s;
}
.news-card .view-link:hover { gap: .55rem; }
@media (min-width: 768px) {
  .news-card {
    flex-direction: row;
    align-items: stretch;
  }
  .news-card .news-thumb {
    width: 240px;
    height: auto;
    min-height: 180px;
  }
}
@media (min-width: 1024px) {
  .news-card .news-thumb { width: 280px; }
}

.faq-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}
@media (min-width: 1024px) {
  .faq-grid { grid-template-columns: 5fr 7fr; gap: 3.5rem; }
}
.faq-left .section-title { text-align: left; margin-bottom: 1rem; }
.faq-left .section-desc { text-align: left; font-size: .95rem; }
.faq-left .faq-help {
  margin-top: 1.8rem;
  background: rgba(31,122,61,.06);
  border-radius: 1rem;
  padding: 1.2rem 1.3rem;
}
.faq-left .faq-help h4 {
  font-size: .95rem;
  font-weight: 700;
  margin-bottom: .3rem;
}
.faq-left .faq-help p {
  font-size: .84rem;
  color: var(--muted);
  line-height: 1.7;
}
.faq-right {
  display: flex;
  flex-direction: column;
  gap: .75rem;
}
.faq-item {
  background: #fff;
  border-radius: 1.1rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow .25s;
}
.faq-item.open {
  box-shadow: var(--shadow-lg);
  border-color: rgba(31,122,61,.25);
}
.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 1.3rem;
  background: transparent;
  border: none;
  width: 100%;
  text-align: left;
  font-size: .98rem;
  font-weight: 700;
  color: var(--text);
  transition: color .2s;
}
.faq-q:hover { color: var(--primary); }
.faq-q .faq-icon {
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background: rgba(31,122,61,.08);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform .3s, background .3s;
}
.faq-q .faq-icon svg {
  width: 16px;
  height: 16px;
  color: var(--primary);
  transition: transform .3s;
}
.faq-item.open .faq-icon { transform: rotate(45deg); background: rgba(245,130,32,.12); }
.faq-item.open .faq-icon svg { color: var(--accent); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease, padding .3s ease;
  padding: 0 1.3rem;
  font-size: .9rem;
  color: var(--muted);
  line-height: 1.8;
  background: #F7FBF8;
}
.faq-item.open .faq-a {
  max-height: 300px;
  padding: 0 1.3rem 1.2rem;
}

.cta-strip {
  background: linear-gradient(100deg, #1F7A3D 0%, #2E9B52 50%, #F58220 130%);
  border-radius: 1.8rem;
  padding: 2.8rem 1.5rem;
  position: relative;
  overflow: hidden;
  color: #fff;
}
@media (min-width: 768px) {
  .cta-strip { padding: 3.5rem 3.5rem; }
}
.cta-strip::after {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255,255,255,.14), transparent 70%);
  right: -60px;
  top: -60px;
  border-radius: 999px;
}
.cta-strip .cta-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 900;
  margin-bottom: .5rem;
  letter-spacing: -.01em;
}
.cta-strip .cta-desc {
  font-size: .95rem;
  opacity: .9;
  max-width: 28rem;
  line-height: 1.8;
}
.cta-strip .cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  background: var(--accent);
  color: #fff;
  font-weight: 800;
  font-size: 1rem;
  padding: .95rem 2rem;
  border-radius: 999px;
  box-shadow: 0 10px 30px rgba(0,0,0,.2);
  transition: all .25s;
  border: none;
  white-space: nowrap;
}
.cta-strip .cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 34px rgba(0,0,0,.25);
  background: #E06F00;
}
.cta-form {
  margin-top: 1.8rem;
  display: flex;
  flex-direction: column;
  gap: .7rem;
  max-width: 26rem;
}
@media (min-width: 640px) {
  .cta-form { flex-direction: row; }
}
.cta-form input {
  flex: 1;
  background: rgba(255,255,255,.18);
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 999px;
  padding: .8rem 1.3rem;
  color: #fff;
  font-size: .9rem;
  outline: none;
  backdrop-filter: blur(6px);
  transition: border-color .2s, background .2s;
}
.cta-form input::placeholder { color: rgba(255,255,255,.7); }
.cta-form input:focus {
  border-color: rgba(255,255,255,.6);
  background: rgba(255,255,255,.24);
  box-shadow: 0 0 0 3px rgba(255,255,255,.15);
}
.cta-form button {
  background: #fff;
  color: var(--primary-dark);
  border: none;
  border-radius: 999px;
  font-weight: 800;
  font-size: .9rem;
  padding: .8rem 1.6rem;
  white-space: nowrap;
  transition: all .22s;
}
.cta-form button:hover {
  background: #F0F5F0;
  transform: translateY(-1px);
}

footer {
  background: var(--primary-dark);
  color: #DCE8DE;
  padding: 3.8rem 0 2rem;
  margin-top: 5rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: 2.8rem;
}
@media (min-width: 768px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
}
.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-size: 1.1rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: .9rem;
}
.footer-logo .logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  background: linear-gradient(135deg, #2E9B52, #1F7A3D);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: #fff;
  box-shadow: 0 4px 12px rgba(0,0,0,.2);
}
.footer-brand p {
  font-size: .88rem;
  color: #B7CBBE;
  line-height: 1.8;
  max-width: 22rem;
}
.footer-col h4 {
  font-size: .95rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 1.1rem;
}
.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}
.footer-col a {
  font-size: .88rem;
  color: #B7CBBE;
  transition: color .2s, padding-left .2s;
}
.footer-col a:hover {
  color: #fff;
  padding-left: 4px;
}
.footer-col .footer-contact {
  font-size: .85rem;
  color: #B7CBBE;
  line-height: 1.9;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12);
  padding-top: 1.8rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: .8rem;
  font-size: .82rem;
  color: #8FAA97;
  text-align: center;
}
@media (min-width: 768px) {
  .footer-bottom { flex-direction: row; text-align: left; }
}

.btn-outline-green {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--primary);
  color: var(--primary);
  background: #fff;
  border-radius: 999px;
  font-weight: 700;
  font-size: 1rem;
  padding: .8rem 2rem;
  transition: all .25s;
}
.btn-outline-green:hover {
  background: rgba(31,122,61,.07);
  transform: translateY(-2px);
}
.btn:active,
.btn-primary:active,
.btn-outline-green:active,
.cta-btn:active,
.nav-cta:active,
.cta-form button:active {
  transform: scale(.97);
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .nav-mobile-btn { display: flex; }
  .nav-logo { font-size: .95rem; }
  .nav-logo .logo-icon { width: 34px; height: 34px; font-size: 1rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn-primary,
  .hero-actions .btn-secondary-light { width: 100%; }
}

@media (min-width: 769px) {
  .mobile-menu { display: none !important; }
}

/* roulang page: category1 */
:root {
  --primary: #1F7A3D;
  --primary-dark: #125727;
  --accent: #F58220;
  --bg: #F7F8F5;
  --card: #FFFFFF;
  --text: #1E1F22;
  --text-secondary: #5B6466;
  --border: #E5E9E4;
  --radius: 1rem;
  --shadow: 0 4px 16px rgba(18, 87, 39, 0.08);
  --shadow-lg: 0 12px 32px rgba(18, 87, 39, 0.14);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
}
a { text-decoration: none; color: inherit; transition: color .2s; }
img { max-width: 100%; display: block; }
button { cursor: pointer; }
.container-custom {
  max-width: 80rem;
  margin: 0 auto;
  padding: 0 1.25rem;
}
@media (min-width: 640px) {
  .container-custom { padding: 0 1.5rem; }
}
@media (min-width: 1024px) {
  .container-custom { padding: 0 2rem; }
}
.section-pad { padding: 5rem 0; }
@media (min-width: 768px) {
  .section-pad { padding: 7rem 0; }
}

/* ===== 导航 ===== */
.site-header {
  position: fixed;
  top: 1rem;
  left: 0;
  right: 0;
  z-index: 50;
  padding: 0 1rem;
}
.nav-capsule {
  max-width: 80rem;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-radius: 9999px;
  box-shadow: 0 4px 20px rgba(18, 87, 39, 0.10);
  padding: 0 1.25rem;
  border: 1px solid rgba(255, 255, 255, 0.6);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--primary-dark);
  white-space: nowrap;
}
.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 9999px;
  background: var(--primary);
  color: #fff;
  flex-shrink: 0;
}
.nav-links {
  display: none;
  align-items: center;
  gap: 0.25rem;
}
@media (min-width: 768px) {
  .nav-links { display: flex; }
}
.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
  transition: background .2s, color .2s;
}
.nav-link:hover {
  background: rgba(31, 122, 61, 0.08);
  color: var(--primary);
}
.nav-link:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.nav-link.active {
  background: rgba(31, 122, 61, 0.12);
  color: var(--primary);
  font-weight: 600;
}
.nav-cta {
  display: none;
  align-items: center;
  background: var(--primary);
  color: #fff;
  border-radius: 9999px;
  padding: 0.55rem 1.25rem;
  font-size: 0.9rem;
  font-weight: 600;
  transition: background .2s, transform .2s, box-shadow .2s;
}
@media (min-width: 768px) {
  .nav-cta { display: inline-flex; }
}
.nav-cta:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(18, 87, 39, 0.25);
}
.nav-cta:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.nav-burger {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 9999px;
  background: transparent;
  border: none;
  color: var(--text);
  transition: background .2s;
}
@media (min-width: 768px) {
  .nav-burger { display: none; }
}
.nav-burger:hover { background: rgba(31, 122, 61, 0.08); }
.nav-burger:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.mobile-menu {
  display: none;
  margin-top: 0.5rem;
  background: #fff;
  border-radius: 1.5rem;
  box-shadow: 0 24px 48px rgba(18, 87, 39, 0.18);
  padding: 1.5rem;
  border: 1px solid var(--border);
}
.mobile-menu.open { display: block; }
.mobile-menu a {
  display: block;
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  font-size: 1rem;
  color: var(--text);
  transition: background .2s, color .2s;
}
.mobile-menu a:hover {
  background: rgba(31, 122, 61, 0.08);
  color: var(--primary);
}
.mobile-menu a.active {
  background: rgba(31, 122, 61, 0.12);
  color: var(--primary);
  font-weight: 600;
}
.mobile-cta {
  display: block;
  text-align: center;
  background: var(--primary);
  color: #fff;
  border-radius: 9999px;
  padding: 0.75rem 1rem;
  font-weight: 600;
  margin-top: 0.75rem;
}
.mobile-cta:hover {
  background: var(--primary-dark);
}

/* ===== Hero ===== */
.hero-category {
  position: relative;
  padding: 8.5rem 0 4.5rem;
  overflow: hidden;
}
.hero-category .hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}
.hero-category .hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(13, 53, 32, 0.92), rgba(18, 87, 39, 0.75) 60%, rgba(31, 122, 61, 0.55));
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 52rem;
  margin: 0 auto;
}
.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: #fff;
  padding: 0.35rem 1rem;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 1.25rem;
  backdrop-filter: blur(4px);
}
.hero-category h1 {
  font-size: clamp(1.9rem, 4vw, 2.9rem);
  font-weight: 900;
  color: #fff;
  line-height: 1.25;
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}
.hero-category h1 span {
  color: #A7EBC2;
}
.hero-category .subtitle {
  color: rgba(255, 255, 255, 0.88);
  font-size: 1.05rem;
  max-width: 42rem;
  margin: 0 auto 1.75rem;
  line-height: 1.7;
}
.hero-btns {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  color: #fff;
  border-radius: 9999px;
  padding: 0.75rem 1.75rem;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  transition: background .2s, transform .2s, box-shadow .2s;
  min-height: 44px;
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(18, 87, 39, 0.3);
}
.btn-primary:focus-visible,
.btn-outline:focus-visible,
.btn-accent:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid rgba(255, 255, 255, 0.7);
  color: #fff;
  border-radius: 9999px;
  padding: 0.7rem 1.6rem;
  font-weight: 600;
  font-size: 0.95rem;
  transition: background .2s, border-color .2s;
  min-height: 44px;
  backdrop-filter: blur(4px);
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: #fff;
}
.trust-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.25rem 1.75rem;
  margin-top: 2rem;
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.85rem;
}
.trust-strip span {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.trust-strip svg {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
}

/* ===== 通用卡片 ===== */
.card {
  background: var(--card);
  border-radius: 1.25rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: box-shadow .3s, transform .3s, border-color .3s;
}
.card-hover:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: rgba(31, 122, 61, 0.2);
}
.section-tag {
  display: inline-flex;
  align-items: center;
  background: rgba(31, 122, 61, 0.1);
  color: var(--primary);
  padding: 0.3rem 0.9rem;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.15rem);
  font-weight: 800;
  color: var(--text);
  line-height: 1.3;
  margin-top: 1rem;
  margin-bottom: 0.75rem;
}
.section-desc {
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.7;
  max-width: 46rem;
}

/* ===== 内容区正文 ===== */
.prose-body h2 {
  font-size: clamp(1.35rem, 2.4vw, 1.7rem);
  font-weight: 800;
  color: var(--text);
  margin: 2.2em 0 0.7em;
  padding-left: 0.75rem;
  border-left: 3px solid var(--primary);
  line-height: 1.3;
}
.prose-body h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  margin: 1.8em 0 0.6em;
  line-height: 1.4;
}
.prose-body p {
  color: var(--text-secondary);
  font-size: 0.97rem;
  line-height: 1.75;
  margin-bottom: 1.25rem;
}
.prose-body .intro-lead {
  font-size: 1.05rem;
  color: var(--text);
  font-weight: 500;
  line-height: 1.8;
}

/* ===== 权益对比表 ===== */
.compare-table-wrap {
  overflow-x: auto;
  border-radius: 1rem;
  box-shadow: var(--shadow);
}
.compare-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: #fff;
  min-width: 620px;
  border-radius: 1rem;
  overflow: hidden;
}
.compare-table thead th {
  padding: 1rem 1.25rem;
  font-size: 0.95rem;
  font-weight: 700;
  text-align: center;
  background: #F2F7F3;
  color: var(--text);
  border-bottom: 1px solid var(--border);
}
.compare-table thead th.recommend-col {
  background: #FFF7ED;
  border: 2px solid var(--accent);
  position: relative;
}
.recommend-badge {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 600;
  border-radius: 9999px;
  padding: 0.2rem 0.7rem;
  margin-top: 0.4rem;
}
.compare-table tbody td {
  padding: 0.9rem 1.25rem;
  font-size: 0.88rem;
  color: var(--text-secondary);
  text-align: center;
  border-bottom: 1px solid #EEF1EC;
  line-height: 1.5;
}
.compare-table tbody td:first-child {
  text-align: left;
  font-weight: 600;
  color: var(--text);
  background: #FAFBF9;
}
.compare-table tbody td.recommend-col {
  background: #FFFDFA;
  border-left: 2px solid var(--accent);
  border-right: 2px solid var(--accent);
  color: var(--text);
  font-weight: 500;
}
.compare-table tbody tr:last-child td {
  border-bottom: none;
}
.compare-table .check {
  color: var(--primary);
  font-weight: 700;
}
.compare-table .minus {
  color: #B7C4B9;
}

/* ===== 内容预览卡 ===== */
.preview-card {
  position: relative;
  border-radius: 1.25rem;
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow);
  transition: box-shadow .3s, transform .3s;
}
.preview-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.preview-card img {
  width: 100%;
  height: 11rem;
  object-fit: cover;
}
.preview-card .lock-tag {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  background: rgba(0, 0, 0, 0.55);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 600;
  border-radius: 9999px;
  padding: 0.25rem 0.7rem;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  backdrop-filter: blur(4px);
}
.preview-card-body {
  padding: 1.1rem 1.25rem;
}
.preview-card-body h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.35rem;
}
.preview-card-body p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===== 辅助侧边卡 ===== */
.side-card {
  background: #fff;
  border-radius: 1.25rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}
.side-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}
.side-card-title svg {
  width: 1.2rem;
  height: 1.2rem;
  color: var(--primary);
  flex-shrink: 0;
}
.side-level-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid #F0F3EF;
}
.side-level-item:last-child { border-bottom: none; }
.side-level-dot {
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 9999px;
  margin-top: 0.45rem;
  flex-shrink: 0;
}
.side-level-item h5 {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text);
}
.side-level-item p {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-top: 0.15rem;
}
.entry-card {
  background: linear-gradient(135deg, #F0F8F2, #FFFFFF);
  border: 1px solid rgba(31, 122, 61, 0.15);
  border-radius: 1.25rem;
  padding: 1.5rem;
}
.entry-card .url {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--primary);
  word-break: break-all;
}
.entry-card .info-list {
  margin-top: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}
.entry-card .info-list span {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.entry-card .info-list svg {
  width: 0.9rem;
  height: 0.9rem;
  color: var(--primary);
  flex-shrink: 0;
}

/* ===== 等级亮点阶梯 ===== */
.stair-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 1024px) {
  .stair-wrap {
    grid-template-columns: repeat(3, 1fr);
    align-items: stretch;
  }
}
.stair-card {
  background: #fff;
  border-radius: 1.5rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 2rem 1.75rem;
  position: relative;
  transition: box-shadow .3s, transform .3s, border-color .3s;
}
.stair-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
}
@media (min-width: 1024px) {
  .stair-card.featured {
    background: linear-gradient(170deg, #FFFDF8, #FFF7ED);
    border: 2px solid var(--accent);
    box-shadow: 0 16px 40px rgba(245, 130, 32, 0.15);
    transform: translateY(-1rem);
    padding: 2.3rem 1.9rem;
  }
  .stair-card.featured:hover {
    transform: translateY(-1.4rem);
  }
}
.stair-icon {
  width: 3rem;
  height: 3rem;
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.1rem;
}
.stair-icon svg { width: 1.5rem; height: 1.5rem; }
.stair-card .level-name {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 0.25rem;
}
.stair-card .level-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 1.1rem;
  line-height: 1.6;
}
.stair-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  margin-bottom: 1.25rem;
}
.stair-card ul li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.88rem;
  color: var(--text);
  line-height: 1.5;
}
.stair-card ul li svg {
  width: 1rem;
  height: 1rem;
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 0.2rem;
}
.featured .stair-card ul li svg { color: var(--accent); }
.link-more {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--primary);
  transition: color .2s, gap .2s;
}
.link-more:hover { color: var(--primary-dark); gap: 0.5rem; }

/* ===== 流程步骤 ===== */
.steps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  counter-reset: step;
}
@media (min-width: 768px) {
  .steps-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
}
.step-item {
  position: relative;
  padding: 1.75rem;
  background: #fff;
  border-radius: 1.25rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: box-shadow .3s, transform .3s;
}
.step-item:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.step-num {
  font-size: 2.2rem;
  font-weight: 900;
  color: rgba(31, 122, 61, 0.18);
  line-height: 1;
  margin-bottom: 0.75rem;
}
.step-item h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.45rem;
}
.step-item p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===== FAQ ===== */
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 1rem;
  margin-bottom: 0.9rem;
  overflow: hidden;
  transition: border-color .2s, box-shadow .2s;
}
.faq-item.active {
  border-color: rgba(31, 122, 61, 0.3);
  box-shadow: var(--shadow);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 1.1rem 1.4rem;
  background: transparent;
  border: none;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  text-align: left;
  transition: background .2s;
  gap: 1rem;
}
.faq-question:hover { background: #FAFBF9; }
.faq-question:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: -2px;
  border-radius: 1rem;
}
.faq-icon {
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--accent);
  transition: transform .3s;
  flex-shrink: 0;
  line-height: 1;
}
.faq-item.active .faq-icon { transform: rotate(45deg); }
.faq-answer {
  display: none;
  padding: 0 1.4rem 1.2rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.75;
}
.faq-item.active .faq-answer {
  display: block;
  background: #F7FBF8;
  border-radius: 0 0 1rem 1rem;
}

/* ===== CTA ===== */
.cta-section {
  background: linear-gradient(120deg, #1F7A3D, #F58220);
  border-radius: 2rem;
  padding: 3rem 2rem;
  position: relative;
  overflow: hidden;
}
@media (min-width: 768px) {
  .cta-section {
    padding: 3.5rem 3.5rem;
  }
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -40px;
  width: 200px;
  height: 200px;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.08);
}
.cta-section::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: 30%;
  width: 160px;
  height: 160px;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.06);
}
.cta-inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: center;
  text-align: center;
}
@media (min-width: 768px) {
  .cta-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}
.cta-inner h2 {
  font-size: 1.7rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 0.4rem;
}
.cta-inner p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.95rem;
  max-width: 30rem;
}
.btn-accent {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  color: var(--primary-dark);
  border-radius: 9999px;
  padding: 0.9rem 2.2rem;
  font-weight: 700;
  font-size: 1rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
  transition: transform .2s, box-shadow .2s;
  min-height: 48px;
  white-space: nowrap;
}
.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.22);
}

/* ===== 页脚 ===== */
footer {
  background: var(--primary-dark);
  color: #DCE8DE;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  padding: 4rem 0 2.5rem;
}
@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1.2fr;
    gap: 3rem;
  }
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.1rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 0.9rem;
}
.footer-logo .logo-icon {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.2);
}
.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.7;
  color: #A8C4AD;
  max-width: 26rem;
}
.footer-col h4 {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 1rem;
}
.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.footer-col ul li a {
  font-size: 0.88rem;
  color: #A8C4AD;
  transition: color .2s, padding-left .2s;
}
.footer-col ul li a:hover {
  color: #fff;
  padding-left: 0.25rem;
}
.footer-contact p {
  font-size: 0.88rem;
  color: #A8C4AD;
  margin-bottom: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 1.25rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  text-align: center;
  font-size: 0.82rem;
  color: #8FAAA5;
}
@media (min-width: 640px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

/* ===== 额外区块 ===== */
.info-band {
  background: #fff;
  border-radius: 1.25rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 1.75rem;
  margin-top: 2rem;
}
.info-band .band-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.info-band .band-title svg { width: 1.1rem; height: 1.1rem; color: var(--primary); }
.info-band p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7; }

/* ===== 通用布局工具 ===== */
.max-w-7xl { max-width: 80rem; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* roulang page: article */
:root {
  --green: #1F7A3D;
  --green-dark: #125727;
  --green-darker: #0D3520;
  --green-light: #EDF6F0;
  --orange: #F58220;
  --orange-dark: #E06F00;
  --bg: #F7F8F5;
  --white: #FFFFFF;
  --text: #1E1F22;
  --text-2: #5B6466;
  --border: #E5E9E4;
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 12px rgba(18, 87, 39, 0.06);
  --shadow: 0 6px 24px rgba(18, 87, 39, 0.08);
  --shadow-lg: 0 16px 48px rgba(18, 87, 39, 0.14);
  --font: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.7; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
ul, ol { list-style: none; }
.container-custom { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ========== 导航 ========== */
.site-header { position: fixed; top: 16px; left: 0; right: 0; z-index: 50; padding: 0 20px; }
.nav-capsule { max-width: 1200px; margin: 0 auto; background: rgba(255,255,255,0.88); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border-radius: 999px; box-shadow: 0 4px 24px rgba(0,0,0,0.08); padding: 8px 10px 8px 22px; display: flex; align-items: center; justify-content: space-between; border: 1px solid rgba(255,255,255,0.7); transition: box-shadow .3s; }
.site-header.scrolled .nav-capsule { box-shadow: 0 8px 32px rgba(0,0,0,0.12); }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 18px; color: var(--text); white-space: nowrap; }
.logo-icon { width: 38px; height: 38px; background: linear-gradient(135deg, var(--green), var(--green-dark)); border-radius: 14px; display: flex; align-items: center; justify-content: center; color: #fff; box-shadow: 0 4px 12px rgba(31,122,61,0.3); flex-shrink: 0; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-link { padding: 9px 18px; border-radius: 999px; font-size: 15px; font-weight: 500; color: var(--text-2); transition: all .2s; }
.nav-link:hover { color: var(--green); background: var(--green-light); }
.nav-link.active { background: rgba(31,122,61,0.12); color: var(--green); font-weight: 600; }
.nav-cta { background: var(--green); color: #fff; border-radius: 999px; padding: 9px 22px; font-size: 14px; font-weight: 600; transition: all .25s; white-space: nowrap; }
.nav-cta:hover { background: var(--green-dark); box-shadow: 0 4px 16px rgba(31,122,61,0.3); transform: translateY(-1px); }
.nav-cta:active { transform: translateY(0); }
.nav-toggle { display: none; align-items: center; justify-content: center; width: 42px; height: 42px; border-radius: 50%; background: var(--green-light); color: var(--green); border: none; transition: background .2s; }
.nav-toggle:hover { background: #DFEDE3; }
.mobile-menu { display: none; max-width: 1200px; margin: 8px auto 0; background: #fff; border-radius: 20px; box-shadow: 0 16px 48px rgba(18,87,39,0.16); padding: 20px; }
.mobile-menu.open { display: block; }
.mobile-menu a { display: block; padding: 14px 16px; border-radius: 12px; font-size: 16px; color: var(--text); font-weight: 500; transition: background .2s; }
.mobile-menu a:hover, .mobile-menu a.active { background: var(--green-light); color: var(--green); }
.mobile-menu .mobile-cta { margin-top: 12px; text-align: center; background: var(--green); color: #fff; border-radius: 999px; padding: 14px; font-weight: 600; }
.mobile-menu .mobile-cta:hover { background: var(--green-dark); }

/* ========== 文章 Hero ========== */
.article-hero { position: relative; background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat; padding: 150px 0 70px; }
.article-hero::before { content: ''; position: absolute; inset: 0; background: linear-gradient(115deg, rgba(10,42,24,0.94) 0%, rgba(18,87,39,0.84) 45%, rgba(31,122,61,0.55) 100%); }
.article-hero .container-custom { position: relative; z-index: 2; }
.breadcrumb { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; font-size: 13px; color: rgba(255,255,255,0.78); margin-bottom: 20px; }
.breadcrumb a { transition: color .2s; }
.breadcrumb a:hover { color: #FFD7AF; }
.breadcrumb .sep { color: rgba(255,255,255,0.4); }
.breadcrumb .current { color: #F58220; max-width: 280px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 500; }
.article-hero h1 { color: #fff; font-size: 36px; line-height: 1.35; font-weight: 800; max-width: 860px; letter-spacing: 0.5px; text-wrap: balance; }
.article-meta { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 22px; }
.meta-badge { display: inline-flex; align-items: center; gap: 6px; background: rgba(255,255,255,0.16); color: rgba(255,255,255,0.92); border-radius: 999px; padding: 5px 14px; font-size: 13px; font-weight: 500; backdrop-filter: blur(4px); }
.meta-badge.tag-orange { background: rgba(245,130,32,0.28); color: #FFD9A8; }

/* ========== 正文区 ========== */
.article-section { padding: 44px 0 30px; }
.article-card { background: #fff; border-radius: 20px; box-shadow: var(--shadow); padding: 48px 56px; }
.article-content { font-size: 16px; line-height: 1.9; color: var(--text); word-break: break-word; }
.article-content p { margin-bottom: 1.5em; }
.article-content h2 { font-size: 1.55rem; font-weight: 700; margin: 2em 0 0.85em; padding-left: 14px; border-left: 3px solid var(--green); color: var(--text); }
.article-content h3 { font-size: 1.25rem; font-weight: 600; margin: 1.6em 0 0.7em; color: var(--text); }
.article-content img { border-radius: 12px; margin: 1.5em 0; box-shadow: var(--shadow); width: 100%; object-fit: cover; }
.article-content ul, .article-content ol { margin-bottom: 1.5em; padding-left: 1.5em; }
.article-content ul { list-style: disc; }
.article-content ol { list-style: decimal; }
.article-content li { margin-bottom: 0.5em; }
.article-content a { color: var(--green); text-decoration: underline; text-underline-offset: 3px; }
.article-content a:hover { color: var(--orange-dark); }
.article-content blockquote { border-left: 4px solid var(--orange); background: #FFF7ED; padding: 1em 1.25em; border-radius: 0 12px 12px 0; margin: 1.5em 0; color: #8B5E3C; }
.article-content hr { border: none; border-top: 1px solid var(--border); margin: 2em 0; }
.not-found { text-align: center; padding: 60px 20px; }
.not-found .nf-icon { width: 72px; height: 72px; margin: 0 auto 20px; border-radius: 50%; background: var(--green-light); display: flex; align-items: center; justify-content: center; color: var(--green); }
.not-found h2 { font-size: 22px; font-weight: 700; margin-bottom: 8px; }
.not-found p { color: var(--text-2); margin-bottom: 24px; }
.btn-primary { display: inline-flex; align-items: center; justify-content: center; background: var(--green); color: #fff; border-radius: 999px; padding: 12px 30px; font-size: 15px; font-weight: 600; transition: all .25s; border: none; }
.btn-primary:hover { background: var(--green-dark); box-shadow: 0 6px 20px rgba(31,122,61,0.3); transform: translateY(-2px); }
.btn-primary:active { transform: translateY(0); }
.btn-secondary { display: inline-flex; align-items: center; justify-content: center; border: 2px solid var(--green); color: var(--green); background: #fff; border-radius: 999px; padding: 10px 28px; font-size: 15px; font-weight: 600; transition: all .25s; }
.btn-secondary:hover { background: var(--green-light); transform: translateY(-2px); }
.btn-secondary:active { transform: translateY(0); }

/* ========== 分享区 ========== */
.share-section { padding: 24px 0 10px; }
.share-card { background: #fff; border-radius: 20px; box-shadow: var(--shadow-sm); padding: 24px 32px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.share-label { font-size: 15px; font-weight: 600; color: var(--text); display: flex; align-items: center; gap: 8px; }
.share-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.share-btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 20px; border-radius: 999px; border: 1px solid var(--border); background: #fff; font-size: 14px; color: var(--text-2); transition: all .2s; }
.share-btn:hover { border-color: var(--green); color: var(--green); background: var(--green-light); }
.share-btn:active { transform: scale(0.96); }
.share-btn.like-btn.liked { background: #FFF7ED; border-color: var(--orange); color: var(--orange); font-weight: 600; }

/* ========== 相关推荐 ========== */
.related-section { padding: 40px 0; }
.section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 28px; }
.section-title { font-size: 26px; font-weight: 800; color: var(--text); }
.section-title span { color: var(--green); }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.related-card { background: #fff; border-radius: 16px; padding: 20px; box-shadow: var(--shadow-sm); transition: all .3s; display: flex; flex-direction: column; gap: 14px; }
.related-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.related-thumb { border-radius: 12px; overflow: hidden; }
.related-thumb img { width: 100%; height: 160px; object-fit: cover; transition: transform .4s; }
.related-card:hover .related-thumb img { transform: scale(1.05); }
.related-body .rel-cat { display: inline-block; font-size: 12px; color: var(--green); background: var(--green-light); padding: 3px 10px; border-radius: 999px; margin-bottom: 8px; font-weight: 600; }
.related-body h3 { font-size: 16px; font-weight: 700; line-height: 1.5; color: var(--text); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 48px; }
.related-body p { font-size: 13px; color: var(--text-2); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 42px; }
.related-time { font-size: 12px; color: var(--text-2); display: flex; align-items: center; gap: 4px; }
.related-fallback { background: #fff; border-radius: 16px; padding: 40px; text-align: center; box-shadow: var(--shadow-sm); }
.related-fallback p { color: var(--text-2); margin-bottom: 16px; }

/* ========== CTA ========== */
.cta-section { padding: 50px 0 70px; }
.cta-box { background: linear-gradient(120deg, var(--green) 0%, var(--green-dark) 60%, var(--green-darker) 100%); border-radius: 24px; padding: 48px 52px; display: flex; align-items: center; justify-content: space-between; gap: 24px; color: #fff; box-shadow: var(--shadow-lg); position: relative; overflow: hidden; }
.cta-box::after { content: ''; position: absolute; right: -60px; top: -60px; width: 220px; height: 220px; border-radius: 50%; background: rgba(255,255,255,0.06); }
.cta-box::before { content: ''; position: absolute; left: -40px; bottom: -80px; width: 160px; height: 160px; border-radius: 50%; background: rgba(245,130,32,0.12); }
.cta-box .cta-content { position: relative; z-index: 1; }
.cta-box h2 { font-size: 28px; font-weight: 800; margin-bottom: 6px; }
.cta-box p { color: rgba(255,255,255,0.82); font-size: 15px; }
.btn-orange { display: inline-flex; align-items: center; justify-content: center; background: var(--orange); color: #fff; border-radius: 999px; padding: 14px 36px; font-size: 16px; font-weight: 700; box-shadow: 0 8px 24px rgba(245,130,32,0.35); transition: all .25s; white-space: nowrap; position: relative; z-index: 1; }
.btn-orange:hover { background: var(--orange-dark); transform: translateY(-2px); box-shadow: 0 12px 32px rgba(245,130,32,0.4); }
.btn-orange:active { transform: translateY(0); }

/* ========== 页脚 ========== */
.footer { background: #125727; color: #DCE8DE; padding: 56px 0 24px; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1.2fr; gap: 40px; }
.footer-brand .footer-logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; color: #fff; margin-bottom: 14px; }
.footer-logo .logo-icon { background: #F58220; }
.footer-brand p { color: #A9C2B4; font-size: 14px; line-height: 1.7; max-width: 320px; }
.footer-col h4 { color: #fff; font-size: 15px; font-weight: 600; margin-bottom: 14px; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul a { color: #B9D2C5; font-size: 14px; transition: color .2s; }
.footer-col ul a:hover { color: #fff; }
.footer-contact p { margin-bottom: 6px; color: #B9D2C5; font-size: 14px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); margin-top: 40px; padding-top: 20px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; font-size: 13px; color: #A9C2B4; }

/* ========== 响应式 ========== */
@media (max-width: 992px) {
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .site-header { top: 10px; padding: 0 14px; }
  .nav-capsule { padding: 7px 7px 7px 16px; }
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .logo { font-size: 16px; }
  .logo-icon { width: 34px; height: 34px; border-radius: 12px; }
  .article-hero { padding: 120px 0 50px; }
  .article-hero h1 { font-size: 26px; }
  .article-card { padding: 28px 20px; }
  .article-content { font-size: 15px; }
  .cta-box { flex-direction: column; padding: 32px 24px; text-align: center; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .container-custom { padding: 0 16px; }
}
@media (max-width: 520px) {
  .related-grid { grid-template-columns: 1fr; }
  .section-header { flex-direction: column; align-items: flex-start; gap: 10px; }
  .article-hero h1 { font-size: 22px; }
  .breadcrumb .current { max-width: 140px; }
  .share-card { padding: 20px; }
  .share-actions { width: 100%; }
  .share-btn { flex: 1; justify-content: center; padding: 10px 12px; font-size: 13px; }
  .cta-box h2 { font-size: 22px; }
  .article-card { padding: 22px 16px; border-radius: 16px; }
}