/* roulang page: index */
:root {
  --primary: #0FA35C;
  --primary-dark: #0B8A4E;
  --primary-soft: #E2F4EC;
  --deep: #0B1F18;
  --deep-2: #11291F;
  --deep-3: #163528;
  --accent: #FFB400;
  --accent-soft: #FFF4D6;
  --bg: #F3F7F5;
  --white: #FFFFFF;
  --text: #22322B;
  --muted: #5E7168;
  --border: #DCE8E1;
  --green-border: #BFE4D2;
  --radius: 14px;
  --radius-lg: 20px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 2px rgba(20,40,30,.05), 0 4px 16px rgba(20,40,30,.05);
  --shadow-md: 0 2px 4px rgba(20,40,30,.05), 0 14px 34px rgba(20,40,30,.08);
  --shadow-hover: 0 16px 38px rgba(15,60,35,.13);
  --font-stack: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

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

img {
  max-width: 100%;
  display: block;
  object-fit: cover;
}

a {
  color: inherit;
  text-decoration: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}

.container {
  width: min(100% - 48px, 1240px);
  margin-left: auto;
  margin-right: auto;
}

.section {
  padding: 96px 0;
}

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

.section-head {
  max-width: 760px;
  margin-bottom: 44px;
}

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

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--primary-dark);
  background: var(--primary-soft);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.section-head h2 {
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: -.01em;
  color: #10231B;
  margin-bottom: 14px;
}

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

/* 顶部信息条 */
.topbar {
  background: var(--deep);
  color: rgba(255,255,255,.86);
  font-size: 13px;
  line-height: 1.4;
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 36px;
  padding-top: 4px;
  padding-bottom: 4px;
}

.topbar-left, .topbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.site-domain {
  font-weight: 600;
  color: #fff;
}

.security-txt {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #BFD8CC;
}

.security-txt::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #21D07A;
  box-shadow: 0 0 0 3px rgba(33,208,122,.18);
}

.topbar-right a {
  color: rgba(255,255,255,.78);
  padding: 4px 2px;
  transition: color .2s;
}

.topbar-right a:hover {
  color: #fff;
}

.topbar-divider {
  width: 1px;
  height: 14px;
  background: rgba(255,255,255,.2);
}

/* header */
.site-header {
  background: var(--white);
  border-bottom: 1px solid rgba(220,232,225,.9);
  position: relative;
  z-index: 50;
  box-shadow: 0 1px 8px rgba(20,40,30,.04);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand-logo {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--deep), var(--primary-dark));
  box-shadow: 0 6px 14px rgba(11,31,24,.18);
  color: #fff;
}

.brand-text {
  line-height: 1.2;
}

.brand-text strong {
  display: block;
  font-size: 20px;
  font-weight: 900;
  letter-spacing: .02em;
  color: var(--deep);
}

.brand-text span {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .18em;
  color: var(--primary-dark);
  margin-top: 2px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
}

.nav-link {
  position: relative;
  display: inline-block;
  padding: 10px 14px;
  font-size: 15px;
  font-weight: 600;
  color: #3A4C42;
  border-radius: 8px;
  transition: background .25s, color .25s;
}

.nav-link:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.nav-link:hover {
  color: var(--primary-dark);
  background: var(--primary-soft);
}

.nav-link.active {
  color: var(--primary-dark);
  font-weight: 800;
}

.nav-link.active::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 2px;
  height: 3px;
  border-radius: 3px;
  background: var(--accent);
}

/* buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  padding: 12px 22px;
  border: 1px solid transparent;
  cursor: pointer;
  text-align: center;
  transition: all .25s ease;
  white-space: nowrap;
  background: none;
}

.btn:focus-visible {
  outline: 3px solid rgba(15,163,92,.4);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: 0 8px 20px rgba(15,163,92,.2);
}

.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(15,163,92,.28);
}

.btn-primary:active {
  transform: translateY(0) scale(.98);
}

.btn-ghost {
  background: var(--white);
  color: var(--primary-dark);
  border-color: #A9DBC2;
}

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

.btn-ghost:active {
  transform: translateY(0) scale(.98);
}

.btn-accent {
  background: var(--accent);
  color: #462E00;
  border-color: var(--accent);
  box-shadow: 0 8px 24px rgba(255,180,0,.25);
}

.btn-accent:hover {
  background: #ffc32e;
  border-color: #ffc32e;
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(255,180,0,.32);
}

.btn-accent:active {
  transform: translateY(0) scale(.98);
}

.btn-sm {
  padding: 9px 16px;
  font-size: 14px;
}

.btn-lg {
  padding: 14px 30px;
  font-size: 16px;
  border-radius: 10px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--border);
  background: var(--white);
  border-radius: 10px;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--deep);
  transition: .3s;
}

/* hero */
.hero {
  position: relative;
  background:
    linear-gradient(120deg, rgba(11,31,24,.98) 0%, rgba(12,45,31,.92) 55%, rgba(15,71,45,.76) 100%),
    url('/assets/images/backpic/back-1.png') center / cover no-repeat;
  color: #fff;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  top: -90px;
  right: -80px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(33,208,122,.14), transparent 65%);
  pointer-events: none;
}

.hero-wrapper {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 48px;
  align-items: center;
  padding-top: 80px;
  padding-bottom: 96px;
}

.hero-copy {
  max-width: 680px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.15);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: #E7F7EF;
  margin-bottom: 24px;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255,180,0,.45); }
  50% { box-shadow: 0 0 0 7px rgba(255,180,0,.1); }
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  line-height: 1.2;
  font-weight: 900;
  letter-spacing: -.02em;
  color: #fff;
  margin-bottom: 22px;
  text-wrap: balance;
}

.hero h1 .text-mark {
  color: var(--accent);
}

.hero-subtitle {
  font-size: 17px;
  line-height: 1.85;
  color: rgba(230,243,236,.92);
  max-width: 620px;
  margin-bottom: 34px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.btn-hero-primary {
  background: var(--primary);
  border: 1px solid var(--primary);
  color: #fff;
  padding: 14px 34px;
  font-size: 16px;
}

.btn-hero-primary:hover {
  background: #11B768;
  border-color: #11B768;
  transform: translateY(-2px);
}

.btn-hero-secondary {
  background: rgba(255,255,255,.06);
  color: #fff;
  border: 1px solid rgba(255,255,255,.4);
  padding: 14px 26px;
}

.btn-hero-secondary:hover {
  background: rgba(255,255,255,.16);
  color: #fff;
  border-color: rgba(255,255,255,.65);
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  list-style: none;
  margin: 0;
}

.hero-trust li {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 14px;
  color: rgba(240,249,245,.88);
}

.hero-trust li::before {
  content: "";
  width: 5px;
  height: 5px;
  background: var(--accent);
  border-radius: 50%;
}

.hero-poster {
  display: flex;
  justify-content: flex-end;
}

.poster-card {
  width: min(100%, 480px);
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 24px;
  padding: 12px;
  backdrop-filter: blur(4px);
  box-shadow: 0 30px 70px rgba(0,0,0,.18);
}

.poster-media {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
}

.poster-media img {
  width: 100%;
  height: 330px;
  object-fit: cover;
}

.poster-status {
  position: absolute;
  left: 14px;
  bottom: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(11,31,24,.9);
  color: #fff;
  padding: 7px 13px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
}

.poster-status::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 0 rgba(33,208,122,.4);
}

.poster-card-list {
  padding: 18px 12px 12px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.poster-meta {
  border-radius: 12px;
  background: rgba(255,255,255,.1);
  padding: 12px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.poster-meta-icon {
  font-size: 20px;
  line-height: 1;
}

.poster-meta strong {
  display: block;
  font-size: 14px;
  font-weight: 800;
}

.poster-meta span {
  font-size: 12px;
  color: rgba(235,248,242,.74);
}

/* service */
.service-section {
  background: var(--white);
}

.service-grid {
  display: grid;
  grid-template-columns: 1.32fr .9fr .9fr;
  grid-template-rows: auto auto auto;
  gap: 22px;
  align-items: stretch;
}

.service-featured {
  grid-column: span 1;
  grid-row: span 2;
  min-height: 100%;
}

.service-card-extra {
  background: linear-gradient(135deg, var(--deep), var(--deep-3));
  border: none;
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-start;
  padding: 24px;
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: box-shadow .3s ease, transform .3s ease;
}

.service-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.service-extra:hover {
  box-shadow: 0 20px 40px rgba(11,40,30,.2);
  transform: translateY(-2px);
}

.service-thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.service-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}

.service-card:hover .service-thumb img {
  transform: scale(1.04);
}

.service-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(11,31,24,.84);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 999px;
  letter-spacing: .02em;
}

.service-badge {
  display: inline-block;
  background: rgba(255,180,0,.2);
  color: var(--accent);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 800;
}

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

.service-body h3 {
  font-size: 20px;
  font-weight: 800;
  color: var(--deep);
  line-height: 1.35;
  margin-bottom: 10px;
}

.service-body p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
  margin-bottom: 16px;
}

.service-link {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 700;
  color: var(--primary-dark);
  transition: gap .25s ease;
}

.service-link:hover {
  gap: 11px;
  color: var(--primary);
}

.service-card-extra .extra-title {
  font-size: 21px;
  font-weight: 800;
  line-height: 1.4;
  margin-bottom: 10px;
}

.service-card-extra .extra-desc {
  font-size: 13px;
  color: rgba(220,238,229,.8);
  margin-bottom: 20px;
}

.service-card-extra::after {
  content: "";
  position: absolute;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  right: -40px;
  bottom: -40px;
  background: rgba(255,180,0,.1);
  pointer-events: none;
}

.service-featured .service-thumb {
  aspect-ratio: 16 / 10;
}

/* reviews */
.reviews-section {
  background: #F8FAF9;
}

.reviews-label {
  display: block;
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  margin-bottom: 16px;
}

.reviews-track {
  display: flex;
  gap: 18px;
  overflow-x: auto;
  padding-bottom: 12px;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
}

.reviews-track::-webkit-scrollbar {
  height: 6px;
}

.reviews-track::-webkit-scrollbar-thumb {
  background: #B9D5C7;
  border-radius: 3px;
}

.review-card {
  scroll-snap-align: start;
  min-width: 300px;
  max-width: 340px;
  flex: 1 0 300px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 24px;
  transition: box-shadow .3s ease, transform .3s ease;
}

.review-card.featured-review {
  border: 1px solid rgba(15,163,92,.35);
  box-shadow: 0 18px 42px rgba(15,99,72,.12);
}

.review-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.review-stars {
  display: flex;
  gap: 2px;
  color: var(--accent);
  font-size: 16px;
  margin-bottom: 12px;
}

.review-text {
  color: #32473D;
  font-size: 15px;
  line-height: 1.85;
  margin-bottom: 20px;
}

.review-user {
  display: flex;
  align-items: center;
  gap: 12px;
}

.review-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), #24C27C);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 16px;
  font-weight: 800;
  flex-shrink: 0;
}

.review-avatar.depth {
  background: linear-gradient(135deg, #315C4B, var(--deep));
}

.review-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--deep);
}

.review-meta {
  font-size: 12px;
  color: var(--muted);
}

/* guarantee */
.guarantee-strip {
  background: var(--white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.guarantee-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.guarantee-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 30px 18px;
  border-right: 1px solid var(--border);
}

.guarantee-item:last-child {
  border-right: 0;
}

.guarantee-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--primary-soft);
  color: var(--primary-dark);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.guarantee-item strong {
  display: block;
  font-size: 15px;
  font-weight: 800;
  color: var(--deep);
  line-height: 1.4;
}

.guarantee-item span {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}

/* CTA */
.cta-band {
  position: relative;
  background:
    linear-gradient(120deg, rgba(11,31,24,.97), rgba(11,43,29,.94)),
    url('/assets/images/backpic/back-3.webp') center / cover no-repeat;
  color: #fff;
  overflow: hidden;
  padding: 90px 0;
}

.cta-band::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -120px;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  transform: translateY(-50%);
  background: radial-gradient(circle, rgba(255,180,0,.16), transparent 65%);
}

.cta-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}

.cta-copy {
  max-width: 680px;
}

.cta-copy .cta-tag {
  display: inline-flex;
  color: var(--accent);
  font-size: 14px;
  font-weight: 800;
  margin-bottom: 16px;
}

.cta-copy h2 {
  font-size: clamp(1.7rem, 3.2vw, 2.6rem);
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: -.01em;
  margin-bottom: 18px;
}

.cta-copy p {
  color: rgba(225,240,233,.86);
  font-size: 16px;
  line-height: 1.85;
}

.cta-btns {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.cta-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #DBF2E7;
  font-size: 15px;
  font-weight: 600;
  border-bottom: 1px solid rgba(255,255,255,.35);
  padding-bottom: 4px;
  transition: color .2s, border-color .2s;
}

.cta-link:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* CMS news */
.news-section {
  background: var(--bg);
}

.news-wrap {
  display: grid;
  grid-template-columns: 1.06fr .94fr;
  gap: 24px;
  align-items: stretch;
}

.news-feature {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .3s ease, transform .3s ease;
}

.news-feature:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.news-feature-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  max-height: 270px;
  overflow: hidden;
}

.news-feature-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.news-feature-label {
  position: absolute;
  left: 16px;
  bottom: 16px;
  background: rgba(11,31,24,.88);
  color: var(--accent);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.news-feature-body {
  padding: 26px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.news-feature-body h3 {
  font-size: 20px;
  line-height: 1.5;
  font-weight: 800;
  color: var(--deep);
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-feature-body p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 18px;
}

.news-feature-foot {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 13px;
}

.news-feature-foot .read-more {
  color: var(--primary-dark);
  font-weight: 700;
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.news-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 5px;
  position: relative;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px 20px 16px;
  transition: box-shadow .25s ease, border-color .25s ease, transform .25s ease;
}

.news-item:hover {
  border-color: rgba(15,163,92,.5);
  box-shadow: var(--shadow-hover);
  transform: translateY(-1px);
}

.news-item-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--muted);
}

.news-tag {
  display: inline-block;
  background: #FFF3D1;
  color: #805500;
  font-size: 12px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
}

.news-tag.green-tag {
  background: var(--primary-soft);
  color: var(--primary-dark);
}

.news-item h4 {
  font-size: 15px;
  font-weight: 700;
  color: #1C3128;
  line-height: 1.45;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
}

.news-item p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-empty {
  background: var(--white);
  border: 1px dashed #A9CBBB;
  border-radius: var(--radius-lg);
  padding: 64px 20px;
  text-align: center;
  color: var(--muted);
  font-size: 15px;
}

/* FAQ */
.faq-section {
  background: var(--white);
}

.faq-layout {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 48px;
  align-items: start;
}

.faq-side {
  position: sticky;
  top: 24px;
}

.faq-side h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--deep);
  line-height: 1.3;
  margin-bottom: 14px;
}

.faq-side p {
  color: var(--muted);
  line-height: 1.8;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: #F8FAF9;
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  transition: border-color .25s, background .25s;
}

.faq-item:hover {
  border-color: #AFD8C5;
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  font-size: 15px;
  font-weight: 700;
  color: var(--deep);
  position: relative;
  transition: background .2s;
}

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

.faq-item summary::before {
  content: "";
  width: 4px;
  flex-shrink: 0;
  height: 22px;
  background: var(--primary);
  border-radius: 4px;
}

.faq-item summary::after {
  content: "+";
  margin-left: auto;
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary-dark);
  display: grid;
  place-items: center;
  font-size: 18px;
  font-weight: 700;
  transition: transform .3s ease, background .25s, color .25s;
}

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

.faq-item[open] summary {
  background: #F0FAF5;
}

.faq-answer {
  padding: 4px 20px 20px 38px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}

/* lead form / contact */
.lead-section {
  background: #F6FAF8;
  overflow: hidden;
  position: relative;
}

.lead-section::before {
  content: "";
  position: absolute;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(15,163,92,.1), transparent 70%);
  left: -60px;
  top: -60px;
}

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

.lead-copy h2 {
  font-size: clamp(1.7rem, 3vw, 2.25rem);
  font-weight: 800;
  color: var(--deep);
  line-height: 1.3;
  margin-bottom: 16px;
}

.lead-copy p {
  color: var(--muted);
  line-height: 1.85;
  margin-bottom: 24px;
}

.lead-points {
  display: grid;
  gap: 12px;
  list-style: none;
}

.lead-points li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: #405449;
}

.check-ico {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary-dark);
  display: inline-grid;
  place-items: center;
  flex-shrink: 0;
  font-weight: 900;
  font-size: 12px;
}

.lead-form-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-md);
  border: 1px solid #E8F0EB;
}

.lead-form-card h3 {
  font-size: 19px;
  font-weight: 800;
  color: var(--deep);
  margin-bottom: 6px;
}

.lead-form-card .form-desc {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 22px;
}

.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: #243C2F;
  margin-bottom: 6px;
}

.form-label .required {
  color: #E23B3B;
  margin-left: 2px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  height: 46px;
  border: 1px solid #CBE0D5;
  border-radius: 8px;
  background: #FDFEFE;
  padding: 0 14px;
  font-size: 15px;
  color: var(--text);
  transition: border-color .25s, box-shadow .25s, background .25s;
}

.form-textarea {
  height: auto;
  min-height: 90px;
  padding-top: 12px;
  padding-bottom: 12px;
  resize: vertical;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(15,163,92,.12);
  background: #fff;
}

.form-input::placeholder, .form-textarea::placeholder {
  color: #9CAEA5;
}

.form-btn {
  width: 100%;
}

.form-note {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--muted);
  margin-top: 14px;
}

/* footer */
.site-footer {
  background: var(--deep);
  color: rgba(226,240,233,.78);
  font-size: 14px;
}

.footer-upper {
  display: grid;
  grid-template-columns: 1.5fr .8fr .8fr 1fr;
  gap: 44px;
  padding: 72px 0 48px;
}

.footer-about h3 {
  color: #fff;
  font-size: 17px;
  margin-bottom: 14px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.footer-brand strong {
  color: #fff;
  font-size: 18px;
  line-height: 1.3;
}

.footer-brand .small {
  display: block;
  color: var(--accent);
  font-size: 12px;
  letter-spacing: .12em;
}

.footer-desc {
  font-size: 13px;
  line-height: 1.9;
  color: rgba(226,240,233,.65);
  max-width: 360px;
}

.footer-cols h4 {
  font-size: 15px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 18px;
}

.footer-links {
  list-style: none;
  display: grid;
  gap: 10px;
}

.footer-links a {
  color: rgba(226,240,233,.66);
  transition: color .2s, padding-left .2s;
}

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

.footer-contact-item {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-bottom: 12px;
  color: rgba(226,240,233,.66);
}

.footer-icon {
  color: var(--primary);
  flex-shrink: 0;
}

.footer-note {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 18px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 12px;
  color: rgba(226,240,233,.45);
  flex-wrap: wrap;
}

.footer-note .site-copy {
  display: flex;
  gap: 10px;
  align-items: center;
}

@media (max-width: 1280px) {
  .service-grid {
    grid-template-columns: 1.1fr .9fr;
  }

  .service-featured {
    grid-row: span 1;
  }

  .service-card-extra {
    grid-column: span 1;
  }

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

  .guarantee-item:nth-child(2) {
    border-right: 0;
  }

  .guarantee-item:nth-child(n+3) {
    border-top: 1px solid var(--border);
  }
}

@media (max-width: 1024px) {
  .section {
    padding: 68px 0;
  }

  .main-nav {
    display: none;
    position: fixed;
    left: 0;
    right: 0;
    top: 108px;
    background: var(--white);
    box-shadow: 0 30px 50px rgba(20,40,30,.14);
    border-top: 1px solid var(--border);
    padding: 18px;
    margin-left: 0;
    align-items: stretch;
    flex-direction: column;
    gap: 4px;
    z-index: 100;
  }

  .main-nav.is-open {
    display: flex;
  }

  .main-nav .nav-link {
    display: block;
    padding: 12px 14px;
  }

  .nav-link.active::after {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .hero-wrapper {
    grid-template-columns: 1fr;
    padding-top: 56px;
    padding-bottom: 64px;
  }

  .hero-poster {
    justify-content: center;
  }

  .poster-card {
    max-width: 100%;
  }

  .news-wrap {
    grid-template-columns: 1fr;
  }

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

  .faq-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .faq-side {
    position: static;
  }

  .lead-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .footer-upper {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }

  .header-entry {
    display: none;
  }
}

@media (max-width: 767px) {
  .container {
    width: min(100% - 32px, 1240px);
  }

  .section {
    padding: 56px 0;
  }

  .topbar-inner {
    align-items: flex-start;
    padding-top: 8px;
    padding-bottom: 8px;
    min-height: auto;
    gap: 4px;
  }

  .topbar-divider {
    display: none;
  }

  .topbar-right .top-contact {
    display: none;
  }

  .header-inner {
    min-height: 66px;
    gap: 10px;
  }

  .brand-logo {
    width: 38px;
    height: 38px;
    border-radius: 10px;
  }

  .brand-text strong {
    font-size: 17px;
  }

  .brand-text span {
    font-size: 10px;
  }

  .nav-link {
    font-size: 15px;
  }

  .hero-wrapper {
    padding-top: 48px;
    padding-bottom: 56px;
  }

  .hero-actions .btn {
    width: 100%;
  }

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

  .service-featured {
    min-height: auto;
  }

  .reviews-track {
    gap: 12px;
    margin: 0 -4px;
  }

  .review-card {
    min-width: 280px;
    flex: 0 0 280px;
    padding: 20px;
  }

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

  .guarantee-item {
    padding: 22px 12px;
    gap: 12px;
  }

  .news-list {
    grid-template-columns: 1fr;
  }

  .news-item {
    grid-template-columns: 1fr;
  }

  .poster-media img {
    height: 235px;
  }

  .cta-band {
    padding: 64px 0;
  }

  .cta-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-upper {
    grid-template-columns: 1fr;
    gap: 34px;
    padding: 48px 0 30px;
  }

  .footer-note {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .hero h1 {
    font-size: 1.9rem;
  }

  .btn-lg {
    padding: 13px 24px;
  }

  .poster-card-list {
    grid-template-columns: 1fr;
  }

  .section-head h2 {
    font-size: 1.5rem;
  }

  .lead-form-card {
    padding: 22px;
  }

  .guarantee-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0;
  }

  .guarantee-item {
    padding: 18px 10px;
    font-size: 13px;
    flex-direction: column;
    gap: 8px;
    text-align: center;
    align-items: center;
  }

  .form-note {
    align-items: flex-start;
  }
}

/* roulang page: category1 */
:root{
    --c-primary:#0FA35C;
    --c-primary-dark:#068C4A;
    --c-forest:#0B1F18;
    --c-forest-light:#122B22;
    --c-accent:#FFB400;
    --c-bg:#F3F7F5;
    --c-ink:#22322B;
    --c-ink-weak:#5E7168;
    --c-line:#DCE8E1;
    --radius-sm:6px;
    --radius-btn:8px;
    --radius-card:16px;
    --radius-lg:20px;
    --shadow-card:0 1px 2px rgba(20,40,30,.04), 0 12px 30px rgba(20,40,30,.06);
    --shadow-hover:0 16px 36px rgba(15,60,35,.12);
    --container-w:1200px;
    --space-section-mobile:64px;
    --space-section-desktop:96px;
  }
  *,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  @media (prefers-reduced-motion:reduce){
    html{scroll-behavior:auto}
    *,*::before,*::after{animation-duration:.001s!important;transition-duration:.001s!important}
  }
  body{
    font-family:system-ui,-apple-system,'PingFang SC','Microsoft YaHei','Noto Sans CJK SC','Source Han Sans SC',sans-serif;
    background:#fff;
    color:var(--c-ink);
    line-height:1.75;
    font-size:15px;
    -webkit-font-smoothing:antialiased;
  }
  a{color:inherit;text-decoration:none}
  img{max-width:100%;display:block}
  button,input,select,textarea{font-family:inherit;font-size:inherit}
  ul,ol{list-style:none}
  h1,h2,h3,h4{line-height:1.25;font-weight:700;color:var(--c-ink)}
  .container{width:min(100% - 48px,1200px);margin-inline:auto}
  @media (max-width:640px){
    .container{width:min(100% - 32px,1200px)}
  }
  /* ===== 顶部信息条 ===== */
  .topbar{
    background:var(--c-forest);
    color:rgba(255,255,255,.85);
    font-size:13px;
    height:36px;
    display:flex;
    align-items:center;
  }
  .topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px}
  .topbar-left{display:flex;align-items:center;gap:8px;white-space:nowrap;overflow:hidden}
  .topbar-left .dot{width:6px;height:6px;border-radius:50%;background:var(--c-primary);flex-shrink:0;box-shadow:0 0 0 3px rgba(15,163,92,.2)}
  .topbar-left span{overflow:hidden;text-overflow:ellipsis}
  .topbar-right{display:flex;align-items:center;gap:18px;flex-shrink:0}
  .topbar-right a{font-size:13px;color:rgba(255,255,255,.85);transition:color .2s}
  .topbar-right a:hover{color:#fff}
  .topbar-right .topbar-sep{width:1px;height:12px;background:rgba(255,255,255,.22)}
  @media (max-width:640px){
    .topbar-right .topbar-sep{display:none}
    .topbar-right a:not(:last-child){display:none}
  }
  /* ===== Header ===== */
  .site-header{
    background:#fff;
    position:sticky;
    top:0;
    z-index:100;
    border-bottom:1px solid rgba(220,232,225,.7);
  }
  .header-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    height:76px;
    gap:24px;
  }
  .brand{
    display:flex;
    align-items:center;
    gap:10px;
    flex-shrink:0;
  }
  .brand-logo{
    width:38px;height:38px;border-radius:10px;
    background:var(--c-primary);color:#fff;
    display:flex;align-items:center;justify-content:center;
    flex-shrink:0;
  }
  .brand-logo svg{width:24px;height:24px}
  .brand-text{display:flex;flex-direction:column;line-height:1.15}
  .brand-text strong{font-size:18px;font-weight:800;color:var(--c-forest);letter-spacing:.2px}
  .brand-text span{font-size:12px;color:var(--c-ink-weak);font-weight:500;letter-spacing:1px}
  .main-nav{display:flex;align-items:center;gap:6px}
  .main-nav .nav-link{
    padding:8px 16px;
    font-size:14px;
    font-weight:500;
    color:var(--c-ink);
    border-radius:8px;
    transition:background .2s,color .2s;
    line-height:1.4;
  }
  .main-nav .nav-link:hover{color:var(--c-primary);background:rgba(15,163,92,.06)}
  .main-nav .nav-link.active{
    color:var(--c-primary);
    font-weight:700;
    background:rgba(15,163,92,.08);
    box-shadow:inset 0 -2px 0 var(--c-primary);
  }
  .header-actions{display:flex;align-items:center;gap:12px}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;
    border-radius:var(--radius-btn);
    font-weight:600;
    cursor:pointer;
    line-height:1.4;
    transition:background .2s,color .2s,border-color .2s,transform .2s,box-shadow .2s;
  }
  .btn:focus-visible{
    outline:2px solid var(--c-primary);
    outline-offset:2px;
  }
  .btn-primary{
    background:var(--c-primary);color:#fff;border:1px solid var(--c-primary);
  }
  .btn-primary:hover{background:var(--c-primary-dark);border-color:var(--c-primary-dark)}
  .btn-primary:active{transform:scale(.97)}
  .btn-sm{height:38px;padding:0 17px;font-size:14px}
  .btn-lg{height:50px;padding:0 30px;font-size:16px;border-radius:10px}
  .btn-outline{
    background:#fff;color:var(--c-primary);border:1px solid rgba(15,163,92,.45);
  }
  .btn-outline:hover{background:rgba(15,163,92,.06);border-color:var(--c-primary)}
  .btn-accent{
    background:var(--c-accent);color:#12241B;
    border:1px solid var(--c-accent);
  }
  .btn-accent:hover{background:#ffc323;border-color:#ffc323;box-shadow:0 10px 24px rgba(255,180,0,.22)}
  .btn-accent:active{transform:scale(.97)}
  .header-entry{
    height:38px;
    padding:0 18px;
    display:inline-flex;align-items:center;
    font-size:14px;
    font-weight:600;
  }
  .nav-toggle{
    display:none;
    width:42px;height:42px;
    border-radius:8px;
    border:1px solid var(--c-line);
    background:#fff;
    cursor:pointer;
    align-items:center;
    justify-content:center;
    flex-direction:column;
    gap:5px;
    transition:background .2s;
  }
  .nav-toggle:hover{background:var(--c-bg)}
  .nav-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;transition:transform .3s,opacity .3s}
  .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)}
  @media (max-width:1024px){
    .main-nav{
      position:fixed;
      top:36px;
      left:0;
      right:0;
      background:#fff;
      flex-direction:column;
      align-items:stretch;
      padding:16px;
      gap:4px;
      box-shadow:0 20px 40px rgba(11,31,24,.12);
      transform:translateY(-16px);
      opacity:0;
      visibility:hidden;
      transition:all .25s ease;
      border-bottom:1px solid var(--c-line);
      max-height:calc(100vh - 60px);
      overflow-y:auto;
    }
    .main-nav.open{
      transform:translateY(0);
      opacity:1;
      visibility:visible;
    }
    .main-nav .nav-link{
      padding:13px 14px;
      font-size:15px;
      border-radius:8px;
    }
    .main-nav .nav-link.active{background:rgba(15,163,92,.08);box-shadow:none}
    .nav-toggle{
      display:inline-flex;
    }
    .header-entry{display:none}
    .header-actions{gap:8px}
  }
  @media (max-width:520px){
    .header-inner{height:68px}
    .brand-text strong{font-size:17px}
  }
  /* ===== Hero ===== */
  .cat-hero{
    background:linear-gradient(120deg,#0B1F18 0%,#0D4A2B 65%,#0FA35C 130%);
    position:relative;
    overflow:hidden;
    color:#fff;
    padding:76px 0 80px;
  }
  .cat-hero::before{
    content:"";
    position:absolute;
    width:560px;height:560px;
    border-radius:50%;
    background:radial-gradient(circle,rgba(255,180,0,.14),transparent 65%);
    top:-180px;right:-80px;
  }
  .cat-hero::after{
    content:"";
    position:absolute;
    inset:0;
    background-image:
      linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
      linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
    background-size:52px 52px;
    mask-image:radial-gradient(ellipse at 70% 30%,#000 10%,transparent 70%);
  }
  .hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
  .hero-badge{
    display:inline-flex;align-items:center;gap:8px;
    background:rgba(255,255,255,.1);
    border:1px solid rgba(255,255,255,.16);
    border-radius:30px;
    padding:6px 14px;
    font-size:13px;
    color:rgba(255,255,255,.95);
    backdrop-filter:blur(4px);
    margin-bottom:22px;
  }
  .hero-badge .pulse{
    width:7px;height:7px;border-radius:50%;
    background:#22D47A;
    box-shadow:0 0 0 4px rgba(34,212,122,.18);
  }
  .cat-hero h1{
    font-size:clamp(2rem,4.6vw,3rem);
    font-weight:800;
    color:#fff;
    line-height:1.2;
    letter-spacing:.5px;
    margin-bottom:18px;
  }
  .cat-hero h1 .accent-mark{
    color:var(--c-accent);
    position:relative;
  }
  .hero-sub{
    font-size:16px;
    color:rgba(255,255,255,.82);
    max-width:540px;
    line-height:1.75;
    margin-bottom:30px;
  }
  .hero-cta-row{display:flex;gap:14px;flex-wrap:wrap}
  .hero-trust{
    display:flex;gap:10px;flex-wrap:wrap;
    margin-top:42px;
  }
  .hero-trust .trust-pill{
    display:inline-flex;align-items:center;gap:7px;
    background:rgba(255,255,255,.08);
    border:1px solid rgba(255,255,255,.14);
    border-radius:8px;
    padding:7px 14px;
    font-size:12px;
    color:rgba(255,255,255,.8);
  }
  .hero-trust .trust-pill .icon{
    color:#22D47A;
  }
  .hero-visual{
    background:rgba(255,255,255,0.06);
    border:1px solid rgba(255,255,255,.18);
    border-radius:24px;
    padding:24px;
    min-height:400px;
    display:flex;
    flex-direction:column;
    backdrop-filter:blur(8px);
    position:relative;
    overflow:hidden;
  }
  .hero-visual::before{
    content:"";
    position:absolute;
    inset:0;
    background-image:url('/assets/images/backpic/back-1.png');
    background-size:cover;
    background-position:center;
    opacity:.18;
  }
  .visual-top{
    display:flex;
    justify-content:space-between;
    align-items:center;
    margin-bottom:16px;
    position:relative;
  }
  .visual-status{
    font-size:12px;
    color:rgba(255,255,255,.75);
    display:flex;align-items:center;gap:6px;
  }
  .visual-status .ok{color:#22D47A}
  .visual-card{
    background:rgba(255,255,255,.08);
    border:1px solid rgba(255,255,255,.16);
    border-radius:18px;
    padding:28px;
    position:relative;
    margin-top:auto;
  }
  .visual-card .card-label{
    font-size:13px;
    color:rgba(255,255,255,.75);
    margin-bottom:12px;
  }
  .visual-card .id-line{
    font-size:22px;
    font-weight:700;
    color:#fff;
    letter-spacing:1px;
    font-variant-numeric:tabular-nums;
  }
  .visual-secure-line{
    display:flex;align-items:center;gap:10px;
    margin-top:12px;
    padding-top:12px;
    border-top:1px dashed rgba(255,255,255,.18);
  }
  .visual-secure-line .shield{
    background:rgba(15,163,92,.28);
    border-radius:6px;
    color:#22D47A;
    width:28px;height:28px;
    display:flex;align-items:center;justify-content:center;
    font-size:15px;
    flex-shrink:0;
  }
  .visual-secure-line span{
    font-size:12px;
    color:rgba(255,255,255,.7);
    line-height:1.4;
  }
  @media(max-width:960px){
    .hero-inner{grid-template-columns:1fr;gap:46px}
    .cat-hero{padding:56px 0 56px}
    .hero-visual{min-height:320px}
  }
  @media(max-width:520px){
    .cat-hero h1{font-size:1.8rem}
    .hero-visual{min-height:260px;padding:18px}
    .hero-cta-row .btn{flex:1}
  }
  /* ===== Section base ===== */
  .section{padding:var(--space-section-mobile) 0}
  @media(min-width:900px){
    .section{padding:var(--space-section-desktop) 0}
  }
  .section-head{
    margin-bottom:42px;
    display:flex;
    flex-direction:column;
    gap:12px;
  }
  .section-head .section-tag{
    display:inline-flex;
    align-items:center;
    gap:6px;
    color:var(--c-primary);
    font-size:13px;
    font-weight:600;
    letter-spacing:1.5px;
    text-transform:uppercase;
  }
  .section-head .section-tag::before{
    content:"";
    width:5px;height:5px;
    border-radius:50%;
    background:var(--c-primary);
  }
  .section-head h2{
    font-size:clamp(1.5rem,3vw,2.15rem);
    font-weight:800;
    color:var(--c-forest);
    line-height:1.2;
  }
  .section-head p.sec-desc{
    max-width:650px;
    font-size:15px;
    color:var(--c-ink-weak);
    line-height:1.75;
  }
  /* ===== Category info cards ===== */
  .entry-intro{
    background:#fff;
  }
  .entry-grid{
    display:grid;
    grid-template-columns:repeat(12,1fr);
    gap:24px;
  }
  .entry-grid .main-card{
    grid-column:span 7;
  }
  .entry-grid .side-card{
    grid-column:span 5;
  }
  .entry-grid.full .entry-card{grid-column:auto}
  .entry-card{
    background:var(--c-bg);
    border:1px solid var(--c-line);
    border-radius:var(--radius-card);
    padding:30px;
    transition:box-shadow .25s,transform .25s,background .25s;
    position:relative;
    overflow:hidden;
  }
  .entry-card:hover{
    background:#fff;
    box-shadow:var(--shadow-card),0 12px 30px rgba(15,163,92,.04);
  }
  .entry-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
  .entry-icon{
    width:44px;height:44px;
    border-radius:10px;
    display:flex;align-items:center;justify-content:center;
    font-size:22px;
    background:rgba(15,163,92,.1);
    color:var(--c-primary);
    margin-bottom:18px;
  }
  .entry-title{
    font-size:18px;
    font-weight:800;
    color:var(--c-forest);
    margin-bottom:10px;
    line-height:1.4;
  }
  .entry-desc{
    font-size:14px;
    color:var(--c-ink-weak);
    line-height:1.75;
  }
  .entry-list{margin-top:14px}
  .entry-list li{
    display:flex;
    gap:10px;
    font-size:13px;
    color:var(--c-ink);
    padding:5px 0;
    line-height:1.6;
    align-items:flex-start;
  }
  .entry-list li .list-check{
    color:var(--c-primary);
    flex-shrink:0;
    font-weight:900;
    margin-top:1px;
  }
  @media(max-width:900px){
    .entry-grid .main-card,.entry-grid .side-card{grid-column:span 12}
  }
  /* ===== Alternating image+text ===== */
  .feature-wrap{
    background:var(--c-bg);
    border-top:1px solid rgba(220,232,225,.6);
    border-bottom:1px solid rgba(220,232,225,.6);
  }
  .feature-grid{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:64px;
    align-items:center;
    padding:36px 0;
  }
  .feature-grid + .feature-grid{
    border-top:1px dashed var(--c-line);
  }
  .feature-visual{position:relative;border-radius:20px;overflow:hidden;min-height:300px;background:#E5EEEA}
  .feature-visual img{
    width:100%;height:100%;object-fit:cover;
    transition:transform .6s ease;
  }
  .feature-grid:hover .feature-visual img{transform:scale(1.02)}
  .feature-visual .corner-mark{
    position:absolute;
    top:18px;left:18px;
    background:rgba(11,31,24,.78);
    backdrop-filter:blur(4px);
    color:#fff;
    font-size:12px;
    padding:5px 12px;
    border-radius:6px;
    letter-spacing:1px;
  }
  .feature-body .feat-num{
    font-size:42px;
    font-weight:800;
    color:transparent;
    -webkit-text-stroke:1px rgba(15,163,92,.45);
    line-height:1;
    margin-bottom:14px;
    display:block;
  }
  .feature-body h3{
    font-size:22px;
    font-weight:800;
    color:var(--c-forest);
    margin-bottom:12px;
  }
  .feature-body p{
    font-size:14px;
    color:var(--c-ink-weak);
    line-height:1.8;
    margin-bottom:16px;
  }
  .feature-body .link-arrow{
    display:inline-flex;align-items:center;gap:6px;
    font-size:14px;
    font-weight:600;
    color:var(--c-primary);
    transition:gap .2s;
  }
  .feature-body .link-arrow:hover{gap:10px}
  .feature-meta{
    display:flex;flex-wrap:wrap;
    gap:8px;
    margin-top:12px;
  }
  .feature-meta span{
    background:rgba(15,163,92,.06);
    border:1px solid rgba(15,163,92,.12);
    color:var(--c-primary);
    padding:3px 11px;
    border-radius:6px;
    font-size:12px;
    font-weight:500;
  }
  .feature-grid.rev .feature-visual{order:2}
  @media(max-width:920px){
    .feature-grid{grid-template-columns:1fr;gap:24px;padding:32px 0}
    .feature-grid.rev .feature-visual{order:0}
  }
  /* ===== Steps ===== */
  .steps-section{background:#fff}
  .steps-grid{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:20px;
    margin-top:12px;
    position:relative;
  }
  .step-item{
    background:var(--c-bg);
    border-radius:18px;
    padding:28px 22px;
    border:1px solid var(--c-line);
    position:relative;
    transition:box-shadow .25s,transform .25s,border-color .25s;
  }
  .step-item:hover{border-color:rgba(15,163,92,.25);box-shadow:var(--shadow-hover);transform:translateY(-3px)}
  .step-no{
    font-size:30px;
    font-weight:800;
    color:rgba(15,163,92,.18);
    line-height:1;
    margin-bottom:14px;
  }
  .step-item h3{font-size:16px;font-weight:700;color:var(--c-forest);margin-bottom:8px}
  .step-item p{font-size:13px;color:var(--c-ink-weak);line-height:1.7}
  @media(max-width:1024px){
    .steps-grid{grid-template-columns:repeat(2,1fr)}
  }
  @media(max-width:560px){
    .steps-grid{grid-template-columns:1fr}
  }
  /* ===== Stats strip ===== */
  .stats-band{
    background:var(--c-forest);
    border-radius:22px;
    padding:52px 40px;
    position:relative;
    overflow:hidden;
    margin:64px 0;
  }
  .stats-band::after{
    content:"";
    position:absolute;
    width:400px;height:400px;
    border-radius:50%;
    right:-100px;top:-200px;
    background:radial-gradient(circle,rgba(15,163,92,.28),transparent 70%);
  }
  .stats-grid{
    position:relative;
    z-index:2;
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:30px;
  }
  .stats-item{text-align:center;border-right:1px solid rgba(255,255,255,.1)}
  .stats-item:last-child{border-right:0}
  .stats-item .stat-num{
    font-size:34px;
    font-weight:800;
    color:#fff;
    line-height:1.1;
    letter-spacing:.5px;
  }
  .stats-item .stat-num .unit{font-size:16px;margin-left:2px;color:rgba(255,255,255,.75)}
  .stats-item .stat-label{
    font-size:13px;
    color:rgba(255,255,255,.55);
    margin-top:8px;
  }
  @media(max-width:768px){
    .stats-band{padding:36px 20px;border-radius:16px}
    .stats-grid{grid-template-columns:1fr 1fr;gap:20px}
    .stats-item{border-right:0}
    .stats-item:nth-child(2){border-right:0}
    .stats-item .stat-num{font-size:26px}
  }
  /* ===== FAQ ===== */
  .faq-section{background:var(--c-bg)}
  .faq-wrap{
    max-width:860px;
    margin:0 auto;
  }
  .faq-item{
    background:#fff;
    border:1px solid var(--c-line);
    border-radius:14px;
    margin-bottom:14px;
    transition:box-shadow .2s,border-color .2s;
    overflow:hidden;
  }
  .faq-item:hover{border-color:rgba(15,163,92,.28)}
  .faq-q{
    display:flex;
    align-items:center;
    gap:17px;
    padding:20px 24px;
    cursor:pointer;
    user-select:none;
    font-size:15px;
    font-weight:600;
    color:var(--c-ink);
    transition:color .2s;
    border:none;
    background:none;
    width:100%;
    text-align:left;
  }
  .faq-q .faq-index{
    font-size:14px;
    color:var(--c-primary);
    font-weight:800;
    min-width:24px;
  }
  .faq-q .faq-question-text{flex:1;line-height:1.5}
  .faq-q .faq-toggle-icon{
    width:25px;height:25px;
    border-radius:50%;
    background:rgba(15,163,92,.1);
    color:var(--c-primary);
    display:flex;align-items:center;justify-content:center;
    font-size:18px;
    font-weight:700;
    transition:background .2s,transform .3s;
    line-height:1;
    flex-shrink:0;
  }
  .faq-a{
    padding:0 24px 0 65px;
    max-height:0;
    overflow:hidden;
    transition:max-height .3s ease,padding .3s ease;
  }
  .faq-item.open{border-color:rgba(15,163,92,.3);box-shadow:var(--shadow-card)}
  .faq-item.open .faq-toggle-icon{transform:rotate(45deg);color:#fff;background:var(--c-primary)}
  .faq-item.open .faq-a{
    max-height:260px;
    padding-bottom:22px;
  }
  .faq-a p{
    font-size:14px;
    color:var(--c-ink-weak);
    line-height:1.8;
  }
  @media(max-width:560px){
    .faq-q{padding:18px 16px}
    .faq-a{padding:0 16px 0 54px}
    .faq-item.open .faq-a{padding-bottom:18px}
  }
  /* ===== CTA section ===== */
  .cta-band{
    background:linear-gradient(130deg,#0B1F18 0%,#133A2A 55%,#0D5A33 100%);
    border-radius:22px;
    padding:64px 52px;
    position:relative;
    overflow:hidden;
    display:grid;
    grid-template-columns:1.2fr .8fr;
    column-gap:50px;
    align-items:center;
  }
  @media(min-width:921px){
    .cta-band{min-height:260px}
  }
  .cta-band::before{
    content:"";
    position:absolute;
    width:440px;height:440px;
    border-radius:50%;
    background:radial-gradient(circle,rgba(255,180,0,.13),transparent 70%);
    top:-220px;left:30%;
  }
  .cta-band .ring-deco{
    position:absolute;
    border:1px solid rgba(255,255,255,.07);
    border-radius:50%;
    width:300px;height:300px;
    right:-80px;bottom:-150px;
  }
  .cta-content{
    position:relative;z-index:2;
  }
  .cta-content h2{
    font-size:clamp(1.5rem,3vw,2.2rem);
    color:#fff;
    font-weight:800;
    line-height:1.25;
    margin-bottom:14px;
  }
  .cta-content p{
    color:rgba(255,255,255,.7);
    font-size:15px;
    line-height:1.7;
    max-width:560px;
  }
  .cta-buttons{
    position:relative;z-index:2;
    display:flex;
    gap:16px;
    align-items:flex-start;
    justify-content:flex-end;
    flex-wrap:wrap;
  }
  .cta-helper{
    display:flex;
    flex-direction:column;
    gap:8px;
    font-size:13px;
    color:rgba(255,255,255,.55);
  }
  .cta-helper a{color:rgba(255,255,255,.85);text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(255,255,255,.25)}
  .cta-helper a:hover{color:#fff}
  @media(max-width:920px){
    .cta-band{grid-template-columns:1fr;padding:44px 24px;gap:30px}
    .cta-buttons{justify-content:flex-start}
  }
  /* ===== Contact form section ===== */
  .form-section{background:#fff}
  .form-card{
    background:var(--c-bg);
    border-radius:22px;
    padding:48px;
    border:1px solid var(--c-line);
    display:grid;
    grid-template-columns:1fr .9fr;
    gap:48px;
  }
  .form-intro h2,.form-aside h3{
    font-size:clamp(1.35rem,2vw,1.8rem);
    font-weight:800;
    color:var(--c-forest);
    margin-bottom:14px;
    line-height:1.3;
  }
  .form-intro p{
    font-size:14px;
    color:var(--c-ink-weak);
    line-height:1.75;
    margin-bottom:24px;
  }
  .form-intro-list li{
    display:flex;
    gap:10px;
    padding:6px 0;
    font-size:14px;
    color:var(--c-ink);
    align-items:center;
  }
  .form-intro-list .dot1{
    width:8px;height:8px;
    border-radius:3px;
    background:var(--c-primary);
  }
  .form-intro-list .dot2{
    width:8px;height:8px;
    border-radius:3px;
    background:var(--c-accent);
  }
  .form-item{
    margin-bottom:20px;
  }
  .form-item label{
    display:block;
    font-size:13px;
    font-weight:600;
    color:var(--c-ink);
    margin-bottom:8px;
  }
  .form-item label .req-star{color:#EF4444;margin-left:2px}
  .form-item input,.form-item select,.form-item textarea{
    width:100%;
    border:1px solid #C6D6CD;
    border-radius:8px;
    background:#fff;
    padding:11px 14px;
    font-size:15px;
    color:var(--c-ink);
    outline:none;
    transition:border-color .2s,box-shadow .2s;
  }
  .form-item input:focus,.form-item select:focus,.form-item textarea:focus{
    border-color:var(--c-primary);
    box-shadow:0 0 0 3px rgba(15,163,92,.12);
  }
  .form-item textarea{resize:vertical;min-height:90px}
  .form-btn{
    margin-top:8px;
  }
  @media(max-width:900px){
    .form-card{grid-template-columns:1fr;padding:28px 20px}
    .form-intro{margin-bottom:10px}
  }
  /* ===== Footer ===== */
  .site-footer{background:var(--c-forest);color:rgba(255,255,255,.7)}
  .site-footer a{transition:color .2s}
  .site-footer a:hover{color:#fff}
  .footer-upper{
    display:grid;
    grid-template-columns:1.5fr 1fr 1fr 1.2fr;
    gap:44px;
    padding:64px 0 48px;
  }
  .footer-about .footer-desc{
    margin-top:16px;
    font-size:13px;
    line-height:1.8;
    color:rgba(255,255,255,.5);
    max-width:320px;
  }
  .footer-brand{
    display:flex;
    align-items:center;
    gap:10px;
    color:#fff
  }
  .footer-brand .brand-logo{
    width:34px;height:34px;
    border-radius:8px;
    background:var(--c-primary);
    display:flex;align-items:center;justify-content:center;
  }
  .footer-brand .brand-logo svg{width:20px;height:20px}
  .footer-brand .brand-text{display:flex;flex-direction:column;line-height:1.2}
  .footer-brand .brand-text strong{font-size:17px;color:#fff}
  .footer-brand .brand-text span{font-size:12px;color:rgba(255,255,255,.7)}
  .footer-cols h4{
    color:#fff;
    font-size:14px;
    font-weight:700;
    margin-bottom:18px;
    line-height:1.2;
    position:relative;
    padding-bottom:8px;
  }
  .footer-cols h4::after{
    content:"";
    position:absolute;
    left:0;bottom:0;
    width:20px;height:2px;
    background:var(--c-primary);
    border-radius:2px;
  }
  .footer-links li{
    padding:5px 0;
    font-size:13px;
  }
  .footer-links a{color:rgba(255,255,255,.65)}
  .footer-links a:hover{color:#fff;padding-left:3px}
  .footer-contact-item{
    display:flex;
    align-items:flex-start;
    gap:9px;
    font-size:13px;
    line-height:1.6;
    padding:6px 0;
    color:rgba(255,255,255,.6)
  }
  .footer-contact-item .footer-icon{
    color:var(--c-accent);
    font-style:normal;
    flex-shrink:0;
    width:18px;
    text-align:center;
  }
  .footer-note{
    border-top:1px solid rgba(255,255,255,.1);
    padding:20px 0;
    display:flex;
    justify-content:space-between;
    gap:12px;
    flex-wrap:wrap;
    font-size:12px;
    color:rgba(255,255,255,.42);
  }
  .site-copy{
    display:flex;
    gap:8px;
    flex-wrap:wrap;
  }
  @media(max-width:1024px){
    .footer-upper{grid-template-columns:1fr 1fr;gap:40px}
  }
  @media(max-width:560px){
    .footer-upper{grid-template-columns:1fr;gap:36px;padding:50px 0 36px}
    .footer-note{flex-direction:column;gap:4px}
  }
  /* ===== Mobile bottom CTA ===== */
  .mobile-fab{
    display:none;
  }
  @media(max-width:767px){
    .mobile-fab{
      display:flex;
      position:fixed;
      bottom:18px;
      right:18px;
      z-index:90;
      background:var(--c-primary);
      color:#fff;
      border-radius:40px;
      height:48px;
      padding:0 20px;
      align-items:center;
      gap:7px;
      box-shadow:0 12px 30px rgba(15,163,92,.35);
      font-size:14px;font-weight:600;
      transition:transform .2s;
    }
    .mobile-fab:active{transform:scale(.94)}
  }
  @media(max-width:380px){
    .footer-upper{grid-template-columns:1fr}
  }
  /* ===== focus visible global ===== */
  a:focus-visible,button:focus-visible{
    outline:2px solid var(--c-accent);
    outline-offset:2px;
    border-radius:4px;
  }
  .breadcrumb{
    background:var(--c-bg);
    border-bottom:1px solid rgba(220,232,225,.6);
    padding:14px 0;
    font-size:13px;
  }
  .breadcrumb .crumb-list{display:flex;align-items:center;gap:8px;color:var(--c-ink-weak)}
  .breadcrumb a{color:var(--c-ink-weak)}
  .breadcrumb a:hover{color:var(--c-primary)}
  .breadcrumb .sep{opacity:.5}
  .breadcrumb .current{color:var(--c-ink);font-weight:500}

/* roulang page: article */
:root{
  --brand:#0FA35C;
  --brand-dark:#0B1F18;
  --brand-deep:#0D3B2C;
  --accent:#FFB400;
  --bg:#F3F7F5;
  --bg-soft:#E7F1EA;
  --card:#FFFFFF;
  --heading:#103D29;
  --text:#22322B;
  --muted:#5E7168;
  --border:#DFEAE3;
  --radius-sm:6px;
  --radius:16px;
  --radius-lg:22px;
  --shadow:0 1px 2px rgba(20,40,30,.04),0 12px 30px rgba(20,40,30,.06);
  --shadow-hover:0 16px 38px rgba(15,60,35,.14);
  --transition:all 200ms ease;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:var(--transition);}
a:hover{color:#0b8549;}
ul,ol{margin:0;padding:0;}
button{font-family:inherit;}
.container{width:100%;max-width:1200px;margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px;}
@media(max-width:640px){.container{padding-left:16px;padding-right:16px;}}

:focus-visible{
  outline:3px solid rgba(15,163,92,.38);
  outline-offset:2px;
  border-radius:6px;
}

/* ===== 顶部信息条 ===== */
.topbar{background:var(--brand-dark);color:rgba(255,255,255,.82);font-size:13px;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;min-height:36px;padding-top:4px;padding-bottom:4px;gap:12px;}
.topbar-left{display:flex;align-items:center;gap:8px;white-space:nowrap;overflow:hidden;}
.topbar-left .topbar-domain{color:#fff;font-weight:600;letter-spacing:.2px;}
.topbar-dot{display:inline-block;width:8px;height:8px;border-radius:999px;background:var(--accent);flex:none;box-shadow:0 0 0 4px rgba(255,180,0,.13);}
.topbar-right{display:flex;align-items:center;gap:4px;}
.topbar-link{display:inline-flex;align-items:center;gap:4px;color:rgba(255,255,255,.86);padding:4px 8px;border-radius:6px;font-size:13px;white-space:nowrap;}
.topbar-link:hover{color:#fff;background:rgba(255,255,255,.08);}
.topbar-sep{width:1px;height:12px;background:rgba(255,255,255,.25);margin:0 2px;}
@media(max-width:640px){
  .topbar-right .topbar-link.hide-mobile{display:none;}
}

/* ===== 主站导航 ===== */
.site-header{position:relative;z-index:50;background:#fff;border-bottom:1px solid rgba(11,31,24,.08);box-shadow:0 4px 18px rgba(11,31,24,.03);}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:74px;gap:18px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--brand-dark);padding:6px 0;}
.brand:hover{color:var(--brand-dark);}
.brand-logo{display:inline-flex;width:34px;height:34px;border-radius:10px;background:var(--brand);color:#fff;align-items:center;justify-content:center;flex:none;box-shadow:0 6px 14px rgba(15,163,92,.3);}
.brand-logo svg{width:22px;height:22px;}
.brand-text{display:flex;flex-direction:column;line-height:1.18;}
.brand-text strong{color:var(--brand-dark);font-size:24px;font-weight:900;letter-spacing:-.4px;}
.brand-text span{font-size:12px;font-weight:700;color:var(--brand);letter-spacing:.5px;white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:10px;}
.main-nav .nav-link{position:relative;color:var(--text);font-size:15px;font-weight:600;padding:10px 14px;border-radius:8px;letter-spacing:.2px;white-space:nowrap;}
.main-nav .nav-link:hover{color:var(--brand);background:var(--bg);}
.main-nav .nav-link.active{color:var(--brand);}
.main-nav .nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:3px;border-radius:99px;background:var(--brand);}
.header-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--border);background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;transition:var(--transition);}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-dark);transition:var(--transition);}
.nav-toggle:hover{border-color:var(--brand);}
.nav-layer{position:fixed;inset:0;background:rgba(6,19,14,.48);z-index:60;display:none;}

/* 通用按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:8px;font-weight:700;font-size:15px;line-height:1.2;padding:11px 22px;cursor:pointer;transition:var(--transition);text-decoration:none;}
.btn:hover{filter:brightness(1.05);transform:translateY(-1px);}
.btn:active{transform:translateY(0);}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px rgba(15,163,92,.25);}
.btn-primary:hover{background:#0c934d;color:#fff;}
.btn-outline{border-color:var(--brand);color:var(--brand);background:transparent;}
.btn-outline:hover{background:var(--brand);color:#fff;}
.btn-light{border-color:rgba(255,255,255,.6);color:#fff;background:transparent;}
.btn-light:hover{background:#fff;color:var(--brand-dark);border-color:#fff;}
.btn-amber{background:var(--accent);color:var(--brand-dark);box-shadow:0 10px 22px rgba(255,180,0,.28);}
.btn-amber:hover{background:#ffb900;color:#0B1F18;}
.btn-sm{padding:8px 16px;font-size:14px;}
.btn-md{padding:13px 26px;}

.header-entry{margin-left:4px;box-shadow:0 8px 16px rgba(15,163,92,.2);}
@media(max-width:1180px){.main-nav .nav-link{padding:10px 10px;font-size:14px;}}
@media(max-width:980px){
  .nav-toggle{display:inline-flex;}
  .main-nav{
    position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);background:#fff;
    flex-direction:column;align-items:stretch;gap:6px;margin:0;padding:82px 18px 28px;
    transform:translateX(102%);transition:transform 280ms ease;box-shadow:-12px 0 36px rgba(10,25,18,.13);z-index:80;overflow-y:auto;
  }
  .main-nav.open{transform:translateX(0);}
  .main-nav .nav-link{border-radius:10px;padding:13px 16px;font-size:16px;}
  .main-nav .nav-link.active{background:var(--bg);color:var(--brand);}
  .main-nav .nav-link.active::after{display:none;}
  .nav-layer.open{display:block;}
  body.menu-lock{overflow:hidden;}
  .header-actions .header-entry{display:none;}
}

/* ===== 文章页顶部横幅 ===== */
.article-masthead{
  position:relative;
  color:#fff;
  padding:68px 0 72px;
  background:
    linear-gradient(120deg,rgba(11,31,24,.98) 0%,rgba(13,61,44,.92) 42%,rgba(15,163,92,.76) 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  overflow:hidden;
}
.article-masthead::before{
  content:"";
  position:absolute;inset:0;
  background:radial-gradient(circle at 84% 20%,rgba(255,180,0,.13),transparent 32%);
  pointer-events:none;
}
.article-masthead .container{position:relative;z-index:2;}
.masthead-inner{max-width:1080px;margin:0 auto;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;color:rgba(255,255,255,.66);font-size:13px;margin-bottom:26px;}
.breadcrumb a{color:rgba(255,255,255,.8);}
.breadcrumb a:hover{color:#fff;}
.crumb-arrow{opacity:.6;}
.crumb-current{color:rgba(255,255,255,.9);}

.masthead-cat{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.18);
  padding:6px 14px;border-radius:999px;font-size:13px;color:#fff;font-weight:600;
  backdrop-filter:blur(6px);margin-bottom:22px;
}
.masthead-cat i{width:7px;height:7px;border-radius:99px;background:var(--accent);display:inline-block;}
.article-masthead h1{
  margin:0 0 22px;
  max-width:960px;
  font-size:clamp(1.7rem,4vw,2.9rem);
  line-height:1.28;
  font-weight:900;
  letter-spacing:-.3px;
  text-wrap:balance;
  color:#fff;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;font-size:14px;color:rgba(255,255,255,.78);margin-top:4px;}
.meta-item{display:inline-flex;align-items:center;gap:7px;}
.meta-item .meta-ico{color:var(--accent);}
.meta-sep{width:4px;height:4px;border-radius:99px;background:rgba(255,255,255,.45);}
.article-masthead .abstract-line{margin-top:22px;max-width:820px;background:rgba(255,255,255,.08);border-left:3px solid var(--accent);border-radius:6px 12px 12px 6px;padding:14px 18px;color:rgba(255,255,255,.86);font-size:15px;}
@media(max-width:640px){
  .article-masthead{padding:46px 0 48px;}
  .article-masthead h1{font-size:1.55rem;line-height:1.36;}
}

/* ===== 正文阅读区 ===== */
.article-page-main{padding:44px 0 92px;}
.article-content-shell{max-width:1120px;margin:0 auto;}
.article-paper{
  background:#fff;
  border:1px solid rgba(223,234,227,.7);
  border-radius:20px;
  box-shadow:var(--shadow);
  overflow:hidden;
  margin-bottom:30px;
}
.article-feature-img-wrap{position:relative;overflow:hidden;}
.article-feature-img-wrap img{width:100%;aspect-ratio:16/8;object-fit:cover;}
.article-feature-img-wrap::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,31,24,.18),transparent 34%);}
.article-body{
  max-width:820px;
  margin:0 auto;
  padding:34px 44px 18px;
}
.plain-reader .article-body{padding-top:44px;}
.article-body:empty{display:none;}

.cms-body{color:var(--text);font-size:16px;line-height:1.85;}
.cms-body p{margin:0 0 1.4em;word-break:break-word;}
.cms-body h2,.cms-body h3,.cms-body h4{color:var(--heading);margin:1.7em 0 .85em;font-weight:800;line-height:1.4;}
.cms-body h2{font-size:1.45rem;padding-left:14px;border-left:4px solid var(--brand);border-radius:2px;}
.cms-body h3{font-size:1.2rem;}
.cms-body img{border-radius:14px;margin:1.6em 0;box-shadow:0 6px 22px rgba(21,45,34,.08);}
.cms-body a{font-weight:600;text-decoration:underline;text-decoration-color:rgba(15,163,92,.36);text-underline-offset:4px;}
.cms-body a:hover{color:#087d43;}
.cms-body blockquote{
  margin:1.6em 0;background:var(--bg);border-left:4px solid var(--accent);
  border-radius:6px 14px 14px 6px;padding:18px 22px;color:#31487A;color:var(--text);
}
.cms-body blockquote p:last-child{margin-bottom:0;}
.cms-body ul,.cms-body ol{margin:1.2em 0 1.5em;padding-left:1.5em;}
.cms-body li{margin:.45em 0;}
.cms-body ul li::marker{color:var(--brand);}
.cms-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;border-radius:10px;overflow:hidden;}
.cms-body th,.cms-body td{border:1px solid var(--border);padding:11px 13px;text-align:left;}
.cms-body th{background:var(--bg-soft);font-weight:700;color:var(--heading);}
.cms-body code{background:#EEF3EF;padding:2px 8px;border-radius:6px;font-size:14px;}
.article-body-lower{
  max-width:820px;margin:0 auto;padding:22px 44px 30px;
}

/* 底部标签 */
.article-tag-block{display:flex;align-items:center;flex-wrap:wrap;gap:10px;padding-bottom:18px;border-bottom:1px solid var(--border);}
.tag-block-title{font-weight:700;color:var(--heading);font-size:14px;}
.art-tag{
  display:inline-flex;background:var(--bg);border:1px solid var(--border);color:var(--muted);
  font-size:13px;padding:6px 12px;border-radius:99px;font-weight:500;transition:var(--transition);
}
.art-tag:hover{background:var(--bg-soft);color:var(--brand);border-color:rgba(15,163,92,.4);}

/* 上下篇导航 */
.article-pager{max-width:820px;margin:0 auto 0;padding-top:20px;display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.pager-card{
  display:block;background:#fff;border:1px solid var(--border);border-radius:14px;
  padding:18px 22px;transition:var(--transition);color:var(--text);position:relative;overflow:hidden;
}
.pager-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand);opacity:0;transition:var(--transition);}
.pager-card:hover{box-shadow:var(--shadow);transform:translateY(-2px);border-color:rgba(15,163,92,.3);}
.pager-card:hover::before{opacity:1;}
.pager-label{display:block;font-size:12px;color:var(--muted);margin-bottom:4px;}
.pager-title{font-size:15px;font-weight:700;color:var(--heading);}
.pager-next{text-align:right;}
.pager-next::before{left:auto;right:0;}

@media(max-width:640px){
  .article-body,.article-body-lower{padding-left:20px;padding-right:20px;}
  .article-pager{grid-template-columns:1fr;padding-bottom:0;}
  .pager-next{text-align:left;}
  .article-pager{margin-bottom:-10px;}
}

/* 相关阅读 */
.related-section{background:#fff;border-top:1px solid rgba(223,234,227,.7);padding:76px 0;}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:36px;}
.section-eyebrow{color:var(--brand);font-weight:700;font-size:13px;letter-spacing:1px;}
.section-title{margin:6px 0 0;font-size:clamp(1.4rem,2.4vw,2rem);font-weight:900;color:var(--heading);}
.section-more{font-size:14px;font-weight:600;color:var(--muted);display:inline-flex;gap:6px;align-items:center;}
.section-more:hover{color:var(--brand);}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.related-card{
  display:flex;flex-direction:column;background:var(--bg);border:1px solid rgba(223,234,227,.7);
  border-radius:18px;overflow:hidden;transition:var(--transition);color:var(--text);
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);color:var(--text);}
.related-cover{overflow:hidden;aspect-ratio:16/10;background:var(--bg-soft);}
.related-cover img{width:100%;height:100%;object-fit:cover;transition:transform 300ms ease;}
.related-card:hover .related-cover img{transform:scale(1.04);}
.related-info{display:flex;flex-direction:column;flex:1;padding:20px 20px 22px;}
.rel-tag{font-size:12px;color:#8A6D00;background:#FFF4D6;border-radius:99px;padding:4px 10px;display:inline-block;font-weight:600;width:fit-content;margin-bottom:14px;}
.rel-title{font-size:17px;font-weight:800;color:var(--heading);line-height:1.5;margin-bottom:10px;}
.rel-desc{font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-top:auto;}
.rel-arrow{margin-top:14px;color:var(--brand);font-size:14px;font-weight:700;}
@media(max-width:920px){.related-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:560px){.related-grid{grid-template-columns:1fr;}}

/* 返回按钮 */
.back-action{display:flex;justify-content:center;margin-top:48px;}
.back-square{text-align:center;}

/* 最终 CTA */
.final-cta{padding:0 0 90px;background:#fff;}
.cta-panel{
  position:relative;background:var(--brand-dark);border-radius:24px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  padding:52px 60px;overflow:hidden;
}
.cta-panel::before{content:"";position:absolute;width:340px;height:340px;border-radius:99%;right:-120px;top:-120px;background:rgba(15,163,92,.36);filter:blur(30px);}
.cta-panel::after{content:"";position:absolute;width:220px;height:220px;border-radius:99%;left:-90px;bottom:-130px;background:rgba(255,180,0,.2);filter:blur(44px);}
.cta-text{position:relative;z-index:2;}
.cta-text h2{margin:0 0 8px;font-size:clamp(1.4rem,2.6vw,2.1rem);font-weight:900;letter-spacing:.5px;}
.cta-text p{margin:0;font-size:15px;color:rgba(255,255,255,.74);max-width:620px;}
.cta-buttons{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px;flex:none;}
@media(max-width:860px){
  .cta-panel{flex-direction:column;text-align:center;padding:42px 24px;}
  .cta-buttons{justify-content:center;}
}

/* 内容不存在 */
.notfound-wrap{max-width:680px;margin:60px auto 0;background:#fff;border:1px solid var(--border);border-radius:20px;text-align:center;padding:56px 30px;box-shadow:var(--shadow);}
.notfound-ico{width:66px;height:66px;margin:0 auto 18px;color:var(--brand);border-radius:18px;background:var(--bg);display:flex;align-items:center;justify-content:center;font-size:30px;}
.notfound-wrap h2{margin:0 0 10px;color:var(--heading);font-size:22px;}
.notfound-wrap p{color:var(--muted);margin-bottom:24px;}
.notfound-btn{display:inline-flex;}

/* ===== footer ===== */
.site-footer{background:var(--brand-dark);color:rgba(255,255,255,.78);font-size:14px;}
.footer-upper{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:46px;padding:66px 0 42px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-text strong{color:#fff;font-size:24px;font-weight:900;}
.footer-brand .brand-text span{color:var(--accent);font-size:12px;font-weight:700;letter-spacing:.4px;}
.footer-desc{color:rgba(255,255,255,.6);font-size:14px;line-height:1.85;margin:0;max-width:360px;}
.footer-cols h4{color:#fff;font-size:15px;font-weight:700;margin:0 0 16px;letter-spacing:.4px;}
.footer-links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px;}
.footer-links a{color:rgba(255,255,255,.65);font-size:14px;padding:2px 0;}
.footer-links a:hover{color:var(--accent);padding-left:5px;}
.footer-contact-item{display:flex;align-items:center;gap:10px;margin-bottom:12px;font-size:14px;color:rgba(255,255,255,.66);}
.footer-contact-item .footer-icon{color:var(--accent);font-size:15px;}
.footer-note{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.1);padding:22px 0 28px;font-size:13px;color:rgba(255,255,255,.46);}
.site-copy{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.site-copy a{color:rgba(255,255,255,.6);}
@media(max-width:960px){
  .footer-upper{grid-template-columns:1fr 1fr;gap:34px;}
}
@media(max-width:620px){
  .footer-upper{grid-template-columns:1fr;padding-top:46px;}
  .footer-note{flex-direction:column;text-align:center;}
}

/* roulang page: category2 */
:root{
  --primary:#0FA35C;
  --primary-dark:#0B7C45;
  --dark:#0B1F18;
  --dark-2:#102A20;
  --accent:#FFB400;
  --accent-deep:#D99A00;
  --bg:#F3F7F5;
  --bg-soft:#E9F1ED;
  --card:#FFFFFF;
  --text:#22322B;
  --muted:#5E7168;
  --border:#DCE7E0;
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:8px;
  --shadow-sm:0 1px 2px rgba(20,40,30,.04),0 8px 20px rgba(20,40,30,.05);
  --shadow-md:0 2px 6px rgba(20,40,30,.05),0 14px 34px rgba(20,40,30,.09);
  --shadow-hover:0 16px 40px rgba(15,60,35,.14);
  --font:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input,select,textarea{font-family:inherit;transition:all .25s ease}
ul,ol{list-style:none}
h1,h2,h3,h4{line-height:1.25;text-wrap:balance}
.container{max-width:1200px;margin-inline:auto;padding-inline:24px}
.section{padding-block:clamp(64px,8vw,104px)}
.section-head{margin-bottom:36px}
.section-head h2{font-size:clamp(1.5rem,3vw,2.05rem);font-weight:800;letter-spacing:-.02em;margin-bottom:12px;color:var(--dark)}
.section-head p{max-width:820px;color:var(--muted);font-size:16px}
.section-tag{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--primary-dark);background:rgba(15,163,92,.10);border-radius:99px;padding:5px 14px;letter-spacing:.02em;margin-bottom:16px}
.section-tag::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--primary)}
/* topbar */
.topbar{background:var(--dark);color:rgba(255,255,255,.85);font-size:13px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;min-height:36px}
.topbar-info a{color:#fff;font-weight:600;letter-spacing:.02em;margin-right:8px}
.top-security{color:rgba(255,255,255,.64)}
.topbar-links{display:flex;gap:18px;align-items:center}
.topbar-links a{color:rgba(255,255,255,.82);font-size:13px;transition:color .2s ease}
.topbar-links a:hover{color:#fff}
/* site header */
.site-header{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;box-shadow:0 1px 0 rgba(20,40,30,.03)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:76px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-logo{color:var(--primary);display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;background:rgba(15,163,92,.10);border-radius:10px}
.brand-text{display:flex;flex-direction:column;line-height:1.05}
.brand-text strong{font-size:20px;font-weight:900;color:var(--dark);letter-spacing:-.02em}
.brand-text span{font-size:12px;font-weight:600;color:var(--primary-dark);letter-spacing:.04em}
.main-nav{display:flex;align-items:center;gap:8px;flex:1;justify-content:center}
.nav-link{position:relative;padding:10px 15px;font-size:15px;font-weight:600;color:#2D4137;border-radius:8px;transition:color .2s ease}
.nav-link:hover{color:var(--primary);background:rgba(15,163,92,.06)}
.nav-link.active{color:var(--primary-dark);background:rgba(15,163,92,.10)}
.nav-link.active::after{content:"";position:absolute;left:15px;right:15px;bottom:2px;height:2px;border-radius:99px;background:var(--primary)}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;font-weight:700;border:2px solid transparent;cursor:pointer;line-height:1.2;transition:all .25s ease;white-space:nowrap}
.btn:focus-visible,.nav-toggle:focus-visible,.form-input:focus-visible,.form-select:focus-visible,.form-area:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(15,163,92,.18);border-color:var(--primary)}
.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:transparent;border-color:#BFD9CB;color:var(--primary-dark)}
.btn-outline:hover{border-color:var(--primary);background:rgba(15,163,92,.06);transform:translateY(-2px)}
.btn-accent{background:var(--accent);color:#1B1F1C;border-color:var(--accent)}
.btn-accent:hover{background:#FFC233;border-color:#FFC233;transform:translateY(-2px);box-shadow:0 12px 28px rgba(255,180,0,.25)}
.btn-accent:active{transform:translateY(0)}
.btn-lg{padding:15px 28px;font-size:15px}
.btn-md{padding:11px 20px;font-size:14px}
.btn-sm{padding:8px 14px;font-size:13px}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:transparent;border:0;border-radius:6px;width:42px;height:40px;align-items:center;justify-content:center;cursor:pointer}
.nav-toggle span{width:22px;height:2px;background:var(--dark);border-radius:99px;transition:transform .25s ease,opacity .25s ease;display:block}
.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)}
/* hero */
.category-hero{color:#fff;position:relative;overflow:hidden;background:linear-gradient(120deg,rgba(11,31,24,.94) 0%,rgba(11,31,24,.76) 45%,rgba(15,163,92,.30) 100%),url('/assets/images/backpic/back-1.png') center/cover no-repeat;padding-block:clamp(64px,9vw,120px)}
.category-hero::after{content:"";position:absolute;inset:auto -15% -30% 40%;height:220px;background:radial-gradient(circle,rgba(255,180,0,.14),transparent 70%);pointer-events:none}
.hero-container{position:relative;z-index:2}
.hero-breadcrumb{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:28px;flex-wrap:wrap}
.hero-breadcrumb a{color:rgba(255,255,255,.86);transition:color .2s}
.hero-breadcrumb a:hover{color:var(--accent)}
.hero-kicker{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.10);backdrop-filter:blur(4px);border:1px solid rgba(255,255,255,.14);border-radius:99px;padding:6px 16px;font-size:13px;font-weight:600;margin-bottom:18px}
.dot-pulse{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 0 rgba(255,180,0,.7);animation:pulse-dot 2s infinite}
@keyframes pulse-dot{60%{box-shadow:0 0 0 9px rgba(255,180,0,0)}100%{box-shadow:0 0 0 0 rgba(255,180,0,0)}}
.category-hero h1{font-size:clamp(2rem,5vw,3.4rem);font-weight:900;line-height:1.12;letter-spacing:-.035em;margin-bottom:18px}
.category-hero .hero-lede{max-width:640px;color:rgba(255,255,255,.86);font-size:16px;line-height:1.85;margin-bottom:30px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:28px}
.hero-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:6px}
.hero-tags span{font-size:13px;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.14);padding:5px 14px;border-radius:8px;color:rgba(255,255,255,.88)}
/* overview cards */
.overview-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .28s ease,box-shadow .28s ease} 
.overview-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(15,163,92,.35)}
.overview-card .card-top{padding:20px;border-bottom:1px solid rgba(220,231,224,.8)}
.overview-card .card-icon{width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;border-radius:11px;background:rgba(15,163,92,.10);color:var(--primary);font-weight:800;font-size:18px}
.overview-card h3{font-size:17px;font-weight:800;color:var(--dark);margin-top:14px}
.overview-card p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.7}
.overview-card .card-media{margin-top:14px;border-radius:12px;overflow:hidden}
.overview-card .card-link{display:inline-flex;align-items:center;gap:6px;color:var(--primary-dark);font-weight:600;font-size:14px;margin-top:16px;padding-bottom:3px;border-bottom:2px solid transparent;transition:all .2s}
.overview-card .card-link:hover{border-color:var(--primary);color:var(--primary)}
.overview-card .card-link i{transition:transform .2s;}
.overview-card .card-link:hover i{transform:translateX(4px)}
.overview-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:22px}
.overview-feature{grid-column:span 7;display:grid;grid-template-columns:1fr 1fr;gap:10px;background:linear-gradient(120deg,var(--dark) 0%,#163b2c 100%);color:#fff;border-radius:var(--radius-lg);overflow:hidden;padding:0;min-height:250px}
.overview-feature .feature-copy{padding:28px}
.overview-feature .mini-label{font-size:12px;letter-spacing:.06em;color:var(--accent);font-weight:700;text-transform:uppercase}
.overview-feature h3{color:#fff;font-size:22px;font-weight:800;margin-top:10px;line-height:1.3}
.overview-feature p{color:rgba(255,255,255,.72);font-size:14px;margin-top:12px}
.overview-feature .link-light{margin-top:14px;display:inline-block;color:var(--accent);font-weight:600;font-size:14px}
.overview-feature .feature-img{min-height:100%;border-radius:0}
.overview-item-first{grid-column:span 5}
.overview-item{grid-column:span 4}
.overview-grid .overview-item-last{grid-column:span 4}
/* alternate info fresh */
.alternate-grid{display:grid;grid-template-columns:1fr 1fr;gap:78px;align-items:center;margin-bottom:96px}
.alternate-grid:last-child{margin-bottom:0}
.alternate-grid.flip .alt-media{order:2}
.alt-media{position:relative;border-radius:24px;overflow:hidden;box-shadow:var(--shadow-md)}
.alt-media img{aspect-ratio:4/3;object-fit:cover;width:100%}
.alt-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 62%,rgba(11,31,24,.24));border-radius:24px;pointer-events:none}
.alt-copy .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--primary-dark);background:rgba(15,163,92,.08);padding:5px 14px;border-radius:99px}
.alt-copy h2{font-size:clamp(1.5rem,2.4vw,2rem);font-weight:800;letter-spacing:-.02em;color:var(--dark);margin:18px 0 16px}
.alt-copy p{color:var(--muted);font-size:15px;line-height:1.9;margin-bottom:16px}
.alt-copy li{display:flex;gap:10px;padding:6px 0;color:#46594E;font-size:15px}
.alt-copy li strong{color:var(--dark);font-weight:700}
.alt-copy li::before{content:"";flex:0 0 6px;height:6px;border-radius:50%;background:var(--primary);margin-top:12px}
/* strip */
.strip-section{background:var(--dark);position:relative;overflow:hidden;color:#fff;padding-block:clamp(40px,5vw,64px)}
.strip-section::before,.strip-section::after{content:"";position:absolute;border-radius:50%;pointer-events:none}
.strip-section::before{width:300px;height:300px;background:rgba(15,163,92,.18);top:-120px;right:-80px;filter:blur(6px)}
.strip-section::after{width:240px;height:240px;background:rgba(255,180,0,.07);bottom:-100px;left:10%}
.strip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;position:relative;z-index:2}
.strip-item{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:18px 20px;text-align:center}
.strip-item .num{display:inline-flex;width:34px;height:34px;align-items:center;justify-content:center;background:rgba(15,163,92,.2);color:var(--primary);font-size:18px;font-weight:800;border-radius:9px;margin-bottom:8px}
.strip-item strong{display:block;font-size:18px;font-weight:800;color:#fff;margin-bottom:4px}
.strip-item span{font-size:13px;color:rgba(255,255,255,.56)}
/* steps */
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:28px}
.step-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);padding:26px;position:relative;box-shadow:var(--shadow-sm);transition:transform .28s ease,box-shadow .28s ease}
.step-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.step-num{font-size:34px;font-weight:900;line-height:1;background:linear-gradient(120deg,var(--primary),var(--primary-dark));-webkit-background-clip:text;background-clip:text;color:transparent;opacity:.9}
.step-card h3{font-size:18px;font-weight:800;margin-top:16px;color:var(--dark)}
.step-card p{margin-top:9px;color:var(--muted);font-size:14px}
.step-card .step-tag{position:absolute;top:18px;right:18px;font-size:12px;background:rgba(255,180,0,.15);color:#9A6D00;padding:3px 10px;border-radius:99px;font-weight:700}
/* CTA */
.cta-banner{position:relative;background:linear-gradient(110deg,rgba(11,31,24,.97),rgba(18,54,38,.92)),url('/assets/images/backpic/back-2.webp') center/cover no-repeat;color:#fff;border-radius:28px;padding:clamp(36px,5vw,58px);overflow:hidden}
.cta-banner::after{content:"";position:absolute;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(15,163,92,.45),transparent 65%);right:-80px;bottom:-80px}
.cta-banner .cta-inner{max-width:880px;position:relative;z-index:2}
.cta-banner .cta-tag{font-size:13px;color:var(--accent);font-weight:700;letter-spacing:.08em}
.cta-banner h2{font-size:clamp(1.5rem,3vw,2.4rem);font-weight:900;color:#fff;margin-top:12px}
.cta-banner p{margin-top:14px;color:rgba(255,255,255,.72);font-size:16px}
.cta-group{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
/* FAQ */
.faq-wrap{max-width:880px;margin-inline:auto}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:14px;margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow-sm)}
.faq-item[open]{border-color:rgba(15,163,92,.3);box-shadow:var(--shadow-md)}
.faq-item summary{list-style:none;padding:17px 22px;cursor:pointer;font-weight:700;color:var(--dark);display:flex;align-items:center;gap:14px;position:relative;transition:background .2s ease}
.faq-item summary:hover{background:rgba(15,163,92,.03)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-plus{flex-shrink:0;width:27px;height:27px;border-radius:8px;background:rgba(15,163,92,.1);display:inline-flex;align-items:center;justify-content:center;font-size:16px;color:var(--primary);transition:transform .25s ease,background .25s ease}
.faq-item[open] .faq-plus{transform:rotate(45deg);background:var(--primary);color:#fff}
.faq-body{padding:0 24px 22px 62px;color:var(--muted);font-size:15px}
.faq-body p{margin-bottom:8px}
/* form */
.apply-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:0;background:#fff;border-radius:28px;overflow:hidden;box-shadow:var(--shadow-md)}
.apply-info{background:linear-gradient(135deg,var(--dark),#1a3d2e);color:#fff;padding:clamp(28px,4vw,48px);display:flex;flex-direction:column;justify-content:center}
.apply-info h2{color:#fff;font-size:clamp(1.4rem,2.6vw,2rem);font-weight:800;line-height:1.3}
.apply-info p{color:rgba(255,255,255,.7);margin-top:14px;line-height:1.85}
.apply-points{margin-top:26px;display:flex;flex-direction:column;gap:14px}
.apply-points li{display:flex;gap:10px;align-items:center;color:rgba(255,255,255,.86);font-size:14px}
.apply-points li .tick{width:22px;height:22px;border-radius:6px;background:var(--primary);display:inline-flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:12px;flex-shrink:0}
.apply-form{padding:clamp(24px,4vw,44px)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{margin-bottom:18px}
.form-label{display:block;color:#384B40;font-size:14px;font-weight:600;margin-bottom:7px}
.form-label i{color:#E04848;font-style:normal}
.form-input,.form-select,.form-area{width:100%;background:#fff;border:1px solid #CFDED5;border-radius:9px;padding:11px 14px;font-size:15px;color:var(--text);transition:border-color .2s ease,box-shadow .2s ease}
.form-input:hover,.form-select:hover,.form-area:hover{border-color:#AFCEBD}
.form-input:focus,.form-select:focus,.form-area:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(15,163,92,.13)}
.form-area{resize:vertical;min-height:92px}
.form-note{font-size:12px;color:var(--muted);letter-spacing:.02em;margin-top:8px}
/* footer */
.site-footer{margin-top:clamp(80px,10vw,120px);background:var(--dark);color:rgba(255,255,255,.66)}
.footer-upper{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.2fr;gap:36px;padding-block:56px 44px;border-bottom:1px solid rgba(255,255,255,.09)}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-logo{background:rgba(255,255,255,.08);color:var(--primary);display:inline-flex;width:40px;height:40px;align-items:center;justify-content:center;border-radius:11px}
.footer-brand .brand-text strong{font-size:20px;font-weight:900;color:#fff}
.footer-brand .brand-text span{font-size:12px;color:rgba(255,255,255,.56);display:block}
.footer-desc{font-size:14px;line-height:1.9;max-width:360px}
.footer-cols h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;position:relative;padding-bottom:10px}
.footer-cols h4::after{content:"";position:absolute;left:0;bottom:0;width:26px;height:2px;background:var(--primary);border-radius:99px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.58);display:inline-block;transition:all .2s ease}
.footer-links a:hover{color:var(--primary);padding-left:4px}
.footer-contact-item{display:flex;gap:10px;align-items:flex-start;font-size:14px;margin-bottom:13px}
.footer-icon{color:var(--primary);font-style:normal;display:flex;justify-content:center;line-height:1.4}
.footer-note{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding-block:20px;font-size:13px;color:rgba(255,255,255,.42)}
.site-copy{display:flex;gap:8px;color:rgba(255,255,255,.60)}
/* Back to top maybe not */
/* responsive styles */
@media(max-width:1024px){
  .main-nav{gap:2px}
  .nav-link{padding:10px 10px;font-size:14px}
  .brand-text strong{font-size:18px}
  .overview-grid{grid-template-columns:1fr 1fr}
  .overview-feature{grid-column:span 2}
  .overview-item-first{grid-column:span 2}
  .overview-item,.overview-grid .overview-item-last{grid-column:span 1}
  .alternate-grid{gap:48px}
  .strip-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:900px){
  .container{padding-inline:18px}
  .main-nav{position:fixed;top:114px;left:0;right:0;bottom:0;background:#fff;display:flex;width:100%;flex-direction:column;padding:34px 28px;align-items:stretch;opacity:0;pointer-events:none;transform:translateY(-10px);transition:opacity .25s ease,pointer-events .25s ease,transform .25s ease;z-index:90;height:auto}
  .main-nav.open{opacity:1;pointer-events:auto;transform:translate(0);box-shadow:0 24px 40px rgba(11,31,24,.08)}
  .main-nav a{font-size:17px;width:100%;text-align:center;padding:15px 0;border-bottom:1px solid #EDF3EF}
  .header-actions{gap:6px}
  .header-entry{display:none}
  .nav-toggle{display:flex}
}
@media(max-width:768px){
  .topbar-links a:nth-child(2){display:none}
  .section{scroll-margin-top:30px}
  .overview-feature{grid-template-columns:1fr}
  .feature-img{min-height:230px;height:230px}
  .overview-feature .feature-img img,.feature-img img{height:100%}
  .overview-grid,.alternate-grid{grid-template-columns:1fr}
  .overview-feature,.overview-item-first,.overview-item,.overview-grid .overview-item-last{grid-column:span 1}
  .alternate-grid.flip .alt-media{order:0}
  .alternate-grid{margin-bottom:56px}
  .steps-grid{grid-template-columns:1fr}
  .strip-grid{grid-template-columns:1fr 1fr}
  .footer-upper{grid-template-columns:1fr 1fr;padding-block:44px 26px}
  .apply-grid{grid-template-columns:1fr}
  .cta-banner{border-radius:20px}
}
@media(max-width:560px){
  .topbar-inner{min-height:34px}
  .top-security{display:none}
  .topbar-links{gap:12px}
  .topbar-links a{font-size:12px}
  .brand-logo{width:32px;height:32px}
  .brand-text strong{font-size:16px}
  .brand-text span{font-size:11px}
  .hero-actions .btn{width:100%;padding-block:13px}
  .form-row{grid-template-columns:1fr}
  .strip-grid{grid-template-columns:1fr}
  .footer-upper{grid-template-columns:1fr}
  .footer-note{flex-direction:column}
  .feature-card-main{grid-template-columns:1fr}
  .main-nav{top:112px}
  .overview-items{grid-template-columns:1fr}
}

/* roulang page: category3 */
:root {
            --brand: #0FA35C;
            --brand-dark: #0B7441;
            --ink: #0B1F18;
            --muted: #5E7168;
            --paper: #F3F7F5;
            --amber: #FFB400;
            --radius: 16px;
            --radius-sm: 8px;
            --shadow: 0 1px 2px rgba(20, 40, 30, .04), 0 12px 30px rgba(20, 40, 30, .06);
            --shadow-hover: 0 16px 36px rgba(15, 60, 35, .12);
        }

        html {
            scroll-behavior: smooth;
        }

        @media (prefers-reduced-motion: reduce) {
            html {
                scroll-behavior: auto;
            }
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
        }

        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
            color: #22322B;
            background: #fff;
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

        .container {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        @media(min-width:768px) {
            .container {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }

        a {
            text-decoration: none;
            color: inherit;
        }
        img {
            display: block;
            max-width: 100%;
        }
        button {
            cursor: pointer;
        }

        /* focus */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible,
        details:focus-visible,
        summary:focus-visible {
            outline: 3px solid rgba(15, 163, 92, .4);
            outline-offset: 2px;
            border-radius: 6px;
        }

        /* site header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: #fff;
            border-bottom: 1px solid rgba(11, 31, 24, .08);
            box-shadow: 0 1px 0 rgba(255, 255, 255, .6);
        }

        .top-info {
            background: var(--ink);
            color: rgba(255, 255, 255, .92);
            font-size: 13px;
            height: 32px;
            display: flex;
            align-items: center;
        }

        .top-info .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .top-info a {
            color: rgba(255, 255, 255, .88);
            transition: color .2s ease;
        }

        .top-info a:hover {
            color: #fff;
        }

        .top-left {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .top-right {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .top-right a {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            gap: 24px;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .brand-logo {
            color: var(--brand);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: rgba(15, 163, 92, .1);
            padding: 8px;
        }

        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.15;
            color: #0B1F18;
        }

        .brand-text strong {
            font-size: 20px;
            font-weight: 800;
            letter-spacing: -0.5px;
        }

        .brand-text span {
            font-size: 12.5px;
            color: #5E7168;
            letter-spacing: .2px;
            font-weight: 500;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 2px;
            margin-left: auto;
        }

        .nav-link {
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: #22322B;
            border-radius: 8px;
            transition: all .2s ease;
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--brand);
            background: rgba(15, 163, 92, .05);
        }

        .nav-link.active {
            color: var(--brand);
            font-weight: 700;
            background: rgba(15, 163, 92, .08);
            box-shadow: inset 0 -2px 0 var(--brand);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            border-radius: 8px;
            border: 1px solid transparent;
            transition: all .2s ease;
            line-height: 1.2;
        }

        .btn:active {
            transform: translateY(1px);
        }

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

        .btn-primary:hover {
            background: var(--brand-dark);
            border-color: var(--brand-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 18px rgba(15, 99, 52, .18);
        }

        .btn-amber {
            background: var(--amber);
            color: #0B1F18;
            border-color: var(--amber);
        }

        .btn-amber:hover {
            background: #e6a300;
            border-color: #e6a300;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 180, 0, .28);
        }

        .btn-outline-light {
            border-color: rgba(255, 255, 255, .55);
            color: #fff;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .1);
            border-color: #fff;
            transform: translateY(-2px);
        }

        .btn-outline-green {
            border-color: var(--brand);
            color: var(--brand);
            background: #fff;
        }

        .btn-outline-green:hover {
            background: rgba(15, 163, 92, .06);
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 6px 14px;
            font-size: 14px;
        }

        .btn-md {
            padding: 10px 24px;
            font-size: 15px;
        }

        .btn-lg {
            padding: 14px 30px;
            font-size: 16px;
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: none;
            padding: 10px 4px;
            flex-direction: column;
            gap: 5px;
            align-items: center;
            justify-content: center;
        }

        .nav-toggle span {
            width: 22px;
            height: 2px;
            background: #0B1F18;
            border-radius: 2px;
            display: block;
            transition: all .25s ease;
        }

        @media(max-width: 1024px) {
            .main-nav {
                display: none;
                position: fixed;
                inset: 0;
                background: rgba(255, 255, 255, .98);
                flex-direction: column;
                padding: 90px 32px 32px;
                gap: 14px;
                align-items: stretch;
                z-index: 100;
                overflow-y: auto;
                backdrop-filter: blur(6px);
            }
            .main-nav.open {
                display: flex;
            }
            .nav-link {
                font-size: 18px;
                padding: 15px 16px;
                text-align: center;
                border-bottom: 1px solid rgba(11, 31, 24, .05);
                border-radius: 12px;
            }
            .nav-link.active {
                box-shadow: none;
                background: rgba(15, 163, 92, .08);
            }
            .nav-toggle {
                display: inline-flex;
            }
            .header-actions .header-entry {
                display: none;
            }
        }

        @media(max-width: 520px) {
            .brand-text strong {
                font-size: 18px;
            }
            .brand>svg {
                width: 20px;
                height: 20px;
            }
            .header-actions .btn-sm {
                padding: 6px 12px;
                font-size: 13px;
            }
        }

        /* footer */
        .site-footer {
            background: #0B1F18;
            color: rgba(255, 255, 255, .9);
            padding-top: 56px;
            margin-top: auto;
        }

        .footer-upper {
            display: flex;
            gap: 40px;
            padding-bottom: 40px;
            flex-wrap: wrap;
        }

        .footer-about {
            flex: 1.2;
            min-width: 220px;
        }

        .footer-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, .7);
            margin-top: 16px;
            line-height: 1.8;
            max-width: 360px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-brand .brand-logo {
            background: rgba(15, 163, 92, .15);
            color: #fff;
        }

        .brand-text span {
            color: rgba(255, 255, 255, .7);
        }

        .brand-text strong {
            color: #fff;
        }
        .footer-brand .brand-text strong {
            color: #fff;
        }

        .footer-cols {
            flex: 1;
            min-width: 140px;
        }

        .footer-cols h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: .2px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, .68);
            font-size: 14px;
            transition: color .2s ease, padding-left .2s ease;
        }

        .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-contact-item {
            display: flex;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, .65);
            margin-bottom: 10px;
            align-items: flex-start;
        }

        .footer-icon {
            display: inline-flex;
            width: 20px;
            height: 20px;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, .08);
            border-radius: 6px;
            font-size: 11px;
            color: var(--brand);
            flex-shrink: 0;
        }

        .footer-note {
            border-top: 1px solid rgba(255, 255, 255, .12);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(255, 255, 255, .55);
        }

        .site-copy {
            display: flex;
            gap: 8px;
            align-items: center;
        }

        @media(max-width: 768px) {
            .footer-upper {
                flex-direction: column;
                gap: 32px;
            }
            .footer-note {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        /* category hero */
        .category-hero {
            background: linear-gradient(135deg, #0B1F18 0%, #0E3A24 55%, #0FA35C 125%);
            padding: 80px 0 60px;
            position: relative;
            overflow: hidden;
        }

        .category-hero::before {
            content: "";
            position: absolute;
            width: 440px;
            height: 440px;
            right: -120px;
            top: -160px;
            border-radius: 999px;
            background: radial-gradient(circle, rgba(15, 163, 92, .22), transparent 70%);
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
        }

        .category-hero-inner {
            display: grid;
            grid-template-columns: 1.1fr .9fr;
            gap: 24px 40px;
            align-items: center;
        }

        @media(max-width: 768px) {
            .category-hero-inner {
                grid-template-columns: 1fr;
            }
        }

        .crumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, .52);
            margin-bottom: 20px;
        }

        .crumb a {
            color: rgba(255, 255, 255, .65);
        }
        .crumb a:hover {
            color: #fff;
        }
        .crumb span {
            color: rgba(255, 255, 255, .35);
        }

        .category-hero-title {
            font-size: clamp(1.9rem, 3.6vw, 2.8rem);
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 20px;
        }

        .category-hero-title .brand-green {
            color: #24DE85;
        }

        .category-hero-text {
            font-size: 16px;
            color: rgba(255, 255, 255, .85);
            margin-bottom: 32px;
            max-width: 620px;
            line-height: 1.9;
        }

        .category-hero-hero {
            background: rgba(255, 255, 255, .05);
            border-radius: 20px;
            padding: 16px;
            border: 1px solid rgba(255, 255, 255, .15);
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 220px;
            position: relative;
            backdrop-filter: blur(2px);
        }

        .category-hero-card-img {
            border-radius: 14px;
            object-fit: cover;
            width: 100%;
            height: 100%;
            max-height: 300px;
        }

        .category-hero-features {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 8px;
        }

        .hero-tag {
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .14);
            color: rgba(255, 255, 255, .9);
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 13px;
            line-height: 1.5;
            backdrop-filter: blur(2px);
        }

        @media(max-width: 768px) {
            .category-hero {
                padding: 45px 0 50px;
            }
        }

        /* section base */
        .section {
            padding: 96px 0;
        }

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

        .section-white {
            background: #fff;
        }

        .section-paper {
            background: #F3F7F5;
        }

        .section-dark {
            background: #0B1F18;
        }

        @media(max-width: 768px) {
            .section {
                padding: 60px 0;
            }
            .section-sm {
                padding: 48px 0;
            }
        }

        .eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            color: #0FA35C;
            background: rgba(15, 163, 92, .1);
            padding: 5px 14px;
            border-radius: 999px;
            letter-spacing: .3px;
            margin-bottom: 16px;
        }

        .h2 {
            font-size: clamp(1.6rem, 2.6vw, 2.1rem);
            font-weight: 800;
            line-height: 1.25;
            color: #0B1F18;
            letter-spacing: -0.2px;
        }

        .section-head {
            margin-bottom: 48px;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 15px;
        }

        .section-head p {
            max-width: 680px;
            color: #5E7168;
            font-size: 16px;
            margin-bottom: 0;
            line-height: 1.8;
        }

        .section-head.center {
            align-items: center;
            text-align: center;
        }

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

        /* cards */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        @media(max-width: 1024px) and (min-width: 768px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media(max-width: 768px) {
            .feature-grid {
                grid-template-columns: 1fr;
            }
        }

        .feature-card {
            background: #fff;
            border-radius: 20px;
            padding: 32px 28px;
            border: 1px solid rgba(11, 31, 24, .06);
            box-shadow: var(--shadow);
            transition: all .25s ease;
            display: flex;
            flex-direction: column;
        }

        .feature-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: #E6F5ED;
            color: #0FA35C;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            font-weight: 800;
            margin-bottom: 22px;
        }

        .feature-card h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 12px;
            color: #0B1F18;
            line-height: 1.35;
        }

        .feature-card p {
            color: #5E7168;
            line-height: 1.75;
            font-size: 15px;
            margin-bottom: 16px;
        }

        .feature-tag {
            font-size: 13px;
            color: #0FA35C;
            background: rgba(15, 163, 92, .04);
            border: 1px solid rgba(15, 163, 92, .14);
            padding: 3px 10px;
            border-radius: 999px;
            align-self: flex-start;
            margin-top: auto;
            font-weight: 500;
        }

        .support-panel {
            background: #0B1F18;
            border-radius: 20px;
            padding: 48px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .support-panel::after {
            content: "";
            position: absolute;
            right: -100px;
            bottom: -140px;
            width: 320px;
            height: 320px;
            background: rgba(15, 163, 92, .18);
            filter: blur(60px);
            border-radius: 50%;
            pointer-events: none;
        }

        .support-panel .panel-inner {
            position: relative;
            z-index: 1;
        }

        .support-panel h3 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 16px;
            color: #fff;
        }

        .support-panel p {
            color: rgba(255, 255, 255, .82);
            margin-bottom: 28px;
        }

        .support-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .support-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 9px 0;
            color: rgba(255, 255, 255, .85);
            font-size: 15px;
            line-height: 1.7;
        }

        .support-list-icon {
            color: #2FD88B;
            flex-shrink: 0;
            font-weight: 700;
        }

        @media(max-width: 768px) {
            .support-panel {
                grid-template-columns: 1fr;
                padding: 32px 24px;
                gap: 20px;
            }
        }

        /* image alternating blocks */
        .alt-blocks {
            display: flex;
            flex-direction: column;
            gap: 56px;
        }

        .alt-row {
            display: flex;
            align-items: center;
            gap: 56px;
            flex-direction: row;
        }

        .alt-row.row-flip {
            flex-direction: row-reverse;
        }

        .alt-media {
            flex: 1.05;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            position: relative;
            min-height: 220px;
            background: #EAF3EE;
        }

        .alt-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 240px;
            transition: transform .4s ease;
        }

        .alt-media:hover img {
            transform: scale(1.02);
        }

        .alt-info {
            flex: 1;
        }

        .alt-info .alt-number {
            font-size: 42px;
            color: #DAEEE2;
            font-weight: 900;
            letter-spacing: 2px;
            line-height: 1;
            margin-bottom: 8px;
            display: block;
        }

        .alt-info h3 {
            font-size: 22px;
            color: #0B1F18;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.43;
        }

        .alt-info p {
            color: #5E7168;
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 14px;
        }

        .alt-points {
            list-style: none;
            padding: 0;
            margin: 14px 0 0;
            display: flex;
            flex-direction: column;
            gap: 0px;
        }

        .alt-points li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 14px;
            color: #22322B;
            padding: 4px 0;
        }

        .alt-btn-link {
            margin-top: 20px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--brand);
            font-weight: 600;
            transition: gap .2s ease;
            font-size: 15px;
        }

        .alt-btn-link:hover {
            gap: 12px;
            color: var(--brand-dark);
        }

        @media(max-width: 960px) {
            .alt-row,
            .alt-row.row-flip {
                flex-direction: column;
                align-items: stretch;
                gap: 20px;
            }
        }

        /* helpful steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        @media(max-width: 1000px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media(max-width: 600px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }
        }

        .step-card {
            background: #fff;
            border-radius: 18px;
            padding: 28px 22px;
            box-shadow: var(--shadow);
            outline: 1px solid rgba(11, 31, 24, .07);
            text-align: left;
            transition: all .25s ease;
            display: flex;
            flex-direction: column;
        }

        .step-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            outline-color: rgba(15, 163, 92, .2);
        }

        .step-num {
            font-size: 13px;
            width: 30px;
            height: 30px;
            background: var(--brand);
            border-radius: 9px;
            color: #fff;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
        }

        .step-card h3 {
            font-size: 16.5px;
            font-weight: 700;
            line-height: 1.45;
            color: #0B1F18;
            margin-bottom: 10px;
        }

        .step-card p {
            font-size: 14px;
            color: #5E7168;
            margin: 0;
            line-height: 1.7;
        }

        /* faq */
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid rgba(11, 31, 24, .1);
            border-radius: 14px;
            margin-bottom: 12px;
            background: #fff;
            overflow: hidden;
            transition: border-color .2s ease;
        }

        .faq-item [open] {
            border-color: rgba(15, 163, 92, .3);
            box-shadow: var(--shadow);
        }

        .faq-item summary {
            list-style: none;
            display: flex;
            align-items: center;
            gap: 16px;
            cursor: pointer;
            padding: 18px 24px;
            font-weight: 600;
            color: #0B1F18;
            font-size: 16px;
            line-height: 1.5;
            position: relative;
            transition: background-color .2s ease;
            user-select: none;
        }

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

        .faq-item summary:hover {
            background: #fafcfb;
        }

        .faq-item .plus {
            width: 24px;
            height: 24px;
            background: #E6F5ED;
            color: #0FA35C;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-weight: 700;
            transition: all .3s ease;
            margin-left: auto;
            font-size: 18px;
            position: relative;
        }

        .faq-item .plus::after {
            content: "";
            width: 10px;
            height: 2px;
            background: currentColor;
            position: absolute;
            border-radius: 2px;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }

        .faq-item .plus::before {
            content: "";
            width: 10px;
            height: 2px;
            background: currentColor;
            position: absolute;
            border-radius: 2px;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%) rotate(90deg);
            transition: transform .3s ease;
        }

        .faq-item[open] .plus::before {
            transform: translate(-50%, -50%) rotate(0);
        }

        .faq-item .faq-a {
            padding: 0 24px 18px 52px;
            color: #5E7168;
            font-size: 15px;
            line-height: 1.8;
        }

        .faq-item .faq-a p {
            margin-bottom: 8px;
        }

        .faq-badge {
            width: 8px;
            height: 8px;
            background: var(--brand);
            border-radius: 2px;
            flex-shrink: 0;
        }

        @media(max-width: 768px) {
            .faq-item summary {
                padding: 16px 16px;
            }
            .faq-item .faq-a {
                padding: 0 16px 16px 42px;
            }
        }

        /* CTA band */
        .cta-band {
            background: linear-gradient(100deg, #0B1F18, #0d4d2a 70%, #11832f);
            color: #fff;
            border-radius: 24px;
            padding: 64px 56px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            margin: 64px 0 24px;
            position: relative;
            overflow: hidden;
        }

        .cta-band::after {
            content: "";
            position: absolute;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(15, 163, 92, .28), transparent 65%);
            right: -80px;
            top: -150px;
            pointer-events: none;
            border-radius: 50%;
        }

        .cta-band h2 {
            font-size: clamp(1.5rem, 2.4vw, 2rem);
            font-weight: 800;
            line-height: 1.35;
            color: #fff;
            position: relative;
            z-index: 1;
            margin-bottom: 6px;
        }

        .cta-band p {
            color: rgba(255, 255, 255, .78);
            position: relative;
            z-index: 1;
            font-size: 15px;
            margin-top: 6px;
            line-height: 1.7;
        }

        .cta-actions {
            display: flex;
            gap: 12px;
            position: relative;
            z-index: 1;
            flex-shrink: 0;
        }

        @media(max-width: 768px) {
            .cta-band {
                flex-direction: column;
                align-items: flex-start;
                padding: 40px 28px;
            }
            .cta-actions {
                flex-wrap: wrap;
                width: 100%;
            }
            .cta-actions .btn {
                flex: 1;
                text-align: center;
            }
        }

        /* form card */
        .form-sec {
            max-width: 1280px;
        }

        .form-card {
            background: #fff;
            border: 1px solid rgba(11, 31, 24, .06);
            border-radius: 20px;
            padding: 44px;
            box-shadow: var(--shadow);
        }

        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 20px;
        }

        .form-field {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .form-field.label-full {
            grid-column: span 3;
        }

        .form-field label {
            color: #22322B;
            font-size: 14px;
            font-weight: 600;
        }

        .form-field label .req {
            color: #EF4444;
            margin-left: 3px;
        }

        .form-field input,
        .form-field select,
        .form-field textarea {
            background-color: #fff;
            border: 1px solid #D9E3DE;
            border-radius: 8px;
            padding: 11px 14px;
            font-size: 15px;
            color: #22322B;
            line-height: 1.5;
            transition: all .2s ease;
            font-family: inherit;
        }

        .form-field input:focus,
        .form-field select:focus,
        .form-field textarea:focus {
            outline: none;
            border-color: var(--brand);
            box-shadow: 0 0 0 3px rgba(15, 163, 92, .14);
        }

        @media(max-width: 900px) {
            .form-grid {
                grid-template-columns: 1fr 1fr;
            }
            .form-field.label-full {
                grid-column: span 2;
            }
        }

        @media(max-width: 640px) {
            .form-grid {
                grid-template-columns: 1fr;
            }
            .form-field.label-full {
                grid-column: span 1;
            }
            .form-card {
                padding: 28px 20px;
            }
        }

        .safety-banner {
            background: #0b1f18;
            border-radius: 20px;
            padding: 36px;
            margin-top: 48px;
        }

        .safety-banner h3 {
            color: #fff;
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 18px;
        }

        /* counts */
        .stat-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

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

        .stat-num {
            font-size: 30px;
            font-weight: 800;
            color: #0B1F18;
            letter-spacing: -0.5px;
            line-height: 1.2;
        }

        .stat-label {
            font-size: 14px;
            color: #5E7168;
            margin-top: 6px;
        }

        @media(max-width:600px) {
            .stat-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px 16px;
            }
        }

        /* in-content actions */
        .back-to-list {
            margin: 16px 0;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: #5E7168;
            transition: color .2s;
            font-size: 14px;
            font-weight: 500;
        }

        .back-to-list:hover {
            color: var(--brand);
        }

        .hide-console-remark { display: none; }

/* roulang page: category4 */
:root {
            --primary: #0FA35C;
            --primary-dark: #0B7A44;
            --dark-green: #0B1F18;
            --accent: #FFB400;
            --bg-light: #F3F7F5;
            --text-main: #22322B;
            --text-muted: #5E7168;
            --border-light: #E2EBE6;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-card: 0 1px 2px rgba(20, 40, 30, .04), 0 12px 30px rgba(20, 40, 30, .06);
            --shadow-hover: 0 16px 36px rgba(15, 60, 35, .12);
            --font-sans: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        @media (prefers-reduced-motion: reduce) {
            html {
                scroll-behavior: auto;
            }
            *,
            *::before,
            *::after {
                animation-duration: .01ms !important;
                transition-duration: .01ms !important;
            }
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg-light);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 16px;
            -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(--primary-dark);
        }

        a:focus-visible {
            outline: 3px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        button:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }

        .container {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 767px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        .text-gradient-green {
            background: linear-gradient(135deg, #0FA35C 0%, #0B7A44 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            border: 1.5px solid transparent;
            transition: all .25s ease;
            text-align: center;
            white-space: nowrap;
            text-decoration: none;
        }

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

        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(15, 163, 92, .25);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(15, 163, 92, .2);
        }

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

        .btn-secondary:hover {
            background: #F0F9F4;
            color: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
        }

        .btn-primary-sm {
            padding: 10px 22px;
            font-size: 14px;
        }

        .btn:disabled {
            opacity: .45;
            cursor: not-allowed;
            transform: none !important;
            box-shadow: none !important;
        }

        .site-header {
            background: #fff;
            position: sticky;
            top: 0;
            z-index: 50;
            box-shadow: 0 1px 4px rgba(20, 40, 30, .08);
            border-bottom: 1px solid var(--border-light);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
            gap: 24px;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            flex-shrink: 0;
        }

        .brand-logo {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, #0FA35C 0%, #0B1F18 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            flex-shrink: 0;
        }

        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.05;
        }

        .brand-text strong {
            font-size: 23px;
            font-weight: 900;
            color: var(--text-main);
            letter-spacing: -0.2px;
        }

        .brand-text span {
            font-size: 12.5px;
            font-weight: 500;
            color: var(--text-muted);
            letter-spacing: 1.2px;
            margin-top: 3px;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
            overflow-x: auto;
            scrollbar-width: none;
        }

        .main-nav::-webkit-scrollbar {
            display: none;
        }

        .nav-link {
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            border-radius: 6px;
            text-decoration: none;
            white-space: nowrap;
            transition: all .2s ease;
        }

        .nav-link:hover {
            color: var(--primary);
            background: #F0F9F4;
        }

        .nav-link:focus-visible {
            outline-offset: 0;
        }

        .nav-link.active {
            color: var(--primary);
            font-weight: 700;
            background: #E8F5EE;
            box-shadow: inset 0 -2px 0 var(--primary);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .header-entry {
            padding: 9px 22px;
            font-size: 14px;
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border: none;
            background: transparent;
            border-radius: 8px;
            position: relative;
            padding: 10px;
        }

        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-main);
            border-radius: 4px;
            margin: 4px auto;
            transition: all .25s ease;
        }

        .nav-toggle.open span:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }

        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }

        @media (max-width: 1023px) {
            .header-inner {
                height: 68px;
                gap: 16px;
            }
            .main-nav {
                position: fixed;
                top: 68px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 16px;
                gap: 4px;
                box-shadow: 0 8px 24px rgba(20, 40, 30, .1);
                transform: translateY(-120%);
                transition: transform .3s ease;
                overflow-y: auto;
                max-height: calc(100vh - 86px);
                border-bottom: 2px solid var(--border-light);
            }
            .main-nav.open {
                transform: translateY(0);
            }
            .nav-link {
                padding: 14px 16px;
                font-size: 16px;
                border-bottom: 1px solid #F0F4F2;
                border-radius: 8px;
            }
            .nav-link.active {
                box-shadow: inset 3px 0 0 var(--primary);
            }
            .header-entry {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
        }

        .page-hero {
            background: linear-gradient(135deg, #0B1F18 0%, #123128 55%, #0FA35C 100%);
            color: #fff;
            padding: 72px 0 80px;
            position: relative;
            overflow: hidden;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            top: -30%;
            right: -10%;
            width: 380px;
            height: 380px;
            border-radius: 50%;
            background: rgba(15, 163, 92, .18);
            filter: blur(10px);
        }

        .page-hero::after {
            content: "";
            position: absolute;
            bottom: -100px;
            left: 20%;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(255, 180, 0, .08);
            filter: blur(8px);
        }

        .page-hero .hero-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .2);
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 13px;
            color: #E8F5EE;
            margin-bottom: 22px;
        }

        .hero-badge i {
            color: var(--accent);
        }

        .page-hero h1 {
            font-size: clamp(2rem, 4.5vw, 3rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 18px;
        }

        .page-hero .hero-sub {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .85);
            max-width: 560px;
            margin-bottom: 28px;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }

        .hero-assure {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 30px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, .12);
        }

        .hero-assure-item {
            display: flex;
            align-items: center;
            gap: 7px;
            font-size: 14px;
            color: rgba(255, 255, 255, .72);
        }

        .hero-assure-item i {
            color: var(--accent);
        }

        .hero-visual {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: 0 20px 40px rgba(0, 0, 0, .3);
            min-height: 280px;
            background: #0E2A22;
        }

        .hero-visual img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            opacity: .55;
        }

        .hero-visual .visual-card {
            position: absolute;
            bottom: 18px;
            left: 18px;
            right: 18px;
            background: rgba(11, 31, 24, .72);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: 14px;
            padding: 14px 18px;
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
        }

        .visual-card-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 4px;
        }

        .visual-card-tag {
            font-size: 13px;
            color: var(--accent);
        }

        @media (max-width: 992px) {
            .page-hero .hero-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .hero-visual {
                min-height: 220px;
            }
        }

        .section {
            padding: 72px 0;
        }

        @media (max-width: 767px) {
            .section {
                padding: 52px 0;
            }
        }

        .section-alt {
            background: #fff;
        }

        .section-header {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 44px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-dark);
            background: #E8F5EE;
            padding: 5px 14px;
            border-radius: 30px;
            margin-bottom: 14px;
        }

        .section-tag i {
            font-size: 12px;
        }

        .section-header h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .section-header p {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* 服务卡片 */
        .promo-card {
            background: #fff;
            border-radius: var(--radius-xl);
            border: 1px solid #E8EDEA;
            padding: 10px;
            transition: transform .25s ease, box-shadow .3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

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

        .promo-card-img {
            border-radius: 14px;
            overflow: hidden;
            aspect-ratio: 16/9;
            background: var(--dark-green);
            margin-bottom: 12px;
        }

        .promo-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }

        .promo-card:hover .promo-card-img img {
            transform: scale(1.04);
        }

        .promo-card-content {
            padding: 6px 10px 14px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }

        .promo-card .badge-feature {
            align-self: flex-start;
            margin-bottom: 10px;
        }

        .promo-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .promo-card p {
            font-size: 14.5px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 14px;
            flex-grow: 1;
        }

        .promo-card-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 14px;
        }

        .promo-card-link:hover {
            color: var(--primary-dark);
        }

        .badge-feature {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            color: #A85C00;
            background: #FFF4D6;
            padding: 3px 10px;
            border-radius: 30px;
        }

        .badge-hot {
            background: #FEEADF;
            color: #C2490F;
        }

        /* 图文模块 */
        .feature-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            margin-bottom: 90px;
        }

        .feature-row:last-child {
            margin-bottom: 0;
        }

        .feature-row.reverse .feature-img-wrap {
            order: 2;
        }

        .feature-row.reverse .feature-text {
            order: 1;
        }

        @media (max-width: 767px) {
            .feature-row {
                grid-template-columns: 1fr;
                gap: 24px;
                margin-bottom: 50px;
            }
            .feature-row.reverse .feature-img-wrap {
                order: 0;
            }
            .feature-row.reverse .feature-text {
                order: 1;
            }
        }

        .feature-img-wrap {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            background: var(--dark-green);
        }

        .feature-img-wrap img {
            width: 100%;
            height: 310px;
            object-fit: cover;
            transition: transform .4s ease;
        }

        .feature-img-wrap img:hover {
            transform: scale(1.03);
        }

        .feature-text .feature-index {
            font-size: 52px;
            font-weight: 800;
            line-height: 1;
            letter-spacing: -3px;
            color: transparent;
            -webkit-text-stroke: 1.5px var(--primary);
            margin-bottom: 12px;
            display: block;
        }

        .feature-text h2 {
            font-size: 24px;
            font-weight: 800;
            color: var(--text-main);
            line-height: 1.35;
            margin-bottom: 12px;
        }

        .feature-text p {
            font-size: 15.5px;
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: 18px;
        }

        .feature-list {
            list-style: none;
            padding: 0;
        }

        .feature-list li {
            position: relative;
            padding-left: 26px;
            font-size: 15px;
            line-height: 1.7;
            margin-bottom: 11px;
            color: #33443B;
            display: flex;
            align-items: baseline;
        }

        .feature-list li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--primary);
            font-weight: 800;
            font-size: 16px;
        }

        .feature-cta-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 600;
            margin-top: 10px;
            font-size: 15px;
        }

        .feature-cta-link:hover {
            color: var(--primary-dark);
            gap: 10px;
            transition: gap .2s ease;
        }

        /* FAQ */
        .faq-box {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-list {
            list-style: none;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: box-shadow .2s ease;
        }

        .faq-item:hover {
            box-shadow: 0 2px 12px rgba(20, 40, 30, .06);
        }

        .faq-item summary {
            list-style: none;
            -webkit-tap-highlight-color: transparent;
            padding: 19px 22px;
            font-weight: 600;
            font-size: 15.5px;
            color: var(--text-main);
            background: #fff;
            position: relative;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            border-left: 4px solid transparent;
            transition: all .2s ease;
        }

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

        .faq-item summary::after {
            content: "+";
            font-size: 22px;
            font-weight: 500;
            color: var(--primary);
            margin-left: 14px;
            transition: transform .25s ease;
            position: relative;
            right: 2px;
        }

        .faq-item[open] summary {
            border-left-color: var(--primary);
            background: #F8FCFA;
            color: var(--primary-dark);
        }

        .faq-item[open] summary::after {
            transform: rotate(45deg);
        }

        .faq-item .faq-answer {
            padding: 0 22px 20px;
            color: #3A4B41;
            max-width: 720px;
            line-height: 1.8;
            border-top: 1px solid #F0F4F1;
            background: #F8FCFA;
            font-size: 14.8px;
        }

        .faq-item .faq-answer p+p {
            margin-top: 10px;
        }

        /* CTA */
        .cta-wrapper {
            background: linear-gradient(120deg, #0B1F18 0%, #0E3626 60%, #175C3C 100%);
            border-radius: var(--radius-xl);
            padding: 56px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-wrapper::before {
            content: "";
            position: absolute;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: rgba(255, 180, 0, .07);
            top: -140px;
            right: 80px;
        }

        .cta-inner {
            text-align: center;
            position: relative;
            z-index: 1;
            max-width: 640px;
            margin: 0 auto;
            padding: 0 16px;
        }

        .cta-inner h2 {
            color: #fff;
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .cta-inner p {
            color: rgba(255, 255, 255, .72);
            font-size: 15.5px;
            margin-bottom: 24px;
        }

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

        .btn-accent {
            background: var(--accent);
            color: #1A1A1A;
            border-color: var(--accent);
        }

        .btn-accent:hover {
            background: #FFC233;
            border-color: #FFBE20;
            color: #1A1A1A;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 180, 0, .2);
        }

        .cta-note {
            margin-top: 18px;
            color: rgba(255, 255, 255, .5);
            font-size: 12.5px;
        }

        /* CTA 表单 */
        .contact-section {
            background: #F0F6F3;
        }

        .contact-wrapper {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 44px;
            align-items: start;
        }

        @media (max-width: 767px) {
            .contact-wrapper {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        .contact-title h2 {
            font-size: clamp(1.5rem, 2.6vw, 2rem);
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 14px;
        }

        .contact-title p {
            color: var(--text-muted);
            font-size: 15.5px;
            line-height: 1.8;
        }

        .contact-info-item {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            margin-top: 16px;
            color: #44574B;
            font-size: 14px;
            padding: 18px 20px;
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
        }

        .contact-info-item i {
            color: var(--primary);
            font-size: 18px;
            margin-top: 2px;
        }

        .contact-form-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 38px 36px;
            box-shadow: var(--shadow-card);
            border: 1px solid #EDF1EE;
        }

        @media (max-width: 520px) {
            .contact-form-card {
                padding: 24px 18px;
            }
        }

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

        .form-label-required {
            color: #E74C3C;
            margin-left: 3px;
        }

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

        .form-control {
            width: 100%;
            height: 46px;
            padding: 0 14px;
            border: 1.5px solid #D5E0DA;
            border-radius: 8px;
            font-size: 15px;
            box-sizing: border-box;
            font-family: inherit;
            background-color: #FBFDFC;
            transition: all .25s ease;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(15, 163, 92, .12);
            background-color: #fff;
        }

        .form-control.is-error {
            border-color: #E74C3C;
        }

        textarea.form-control {
            height: 108px;
            padding: 12px 14px;
            resize: vertical;
            width: 100%;
            box-sizing: border-box;
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        @media (max-width: 420px) {
            .form-row {
                grid-template-columns: 1fr;
            }
        }

        .form-select-wrap {
            position: relative;
        }

        .form-select-wrap::after {
            content: "⌄";
            position: absolute;
            right: 14px;
            top: 50%;
            transform: translateY(-65%);
            font-size: 20px;
            color: var(--text-muted);
            pointer-events: none;
        }

        .form-select select {
            appearance: none;
            cursor: pointer;
            padding-right: 36px;
        }

        .form-btn-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            margin-top: 4px;
        }

        @media (max-width: 520px) {
            .form-btn-row {
                flex-direction: column;
                align-items: stretch;
            }
        }

        .form-tip {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* footer */
        .site-footer {
            background: var(--dark-green);
            color: rgba(255, 255, 255, .8);
            padding: 56px 0 0;
        }

        .footer-upper {
            display: flex;
            justify-content: space-between;
            gap: 44px;
            box-sizing: border-box;
            margin-bottom: 0px;
            position: relative;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, .09);
            flex-wrap: nowrap;
        }

        .footer-upper .footer-about {
            max-width: 310px;
            flex: 1.5;
        }

        .footer-upper .footer-cols {
            flex: 1;
            min-width: 110px;
        }

        .footer-upper h4 {
            color: #fff;
            font-size: 15px;
            margin-bottom: 14px;
            font-weight: 600;
            padding-top: 0;
            line-height: 1.3;
        }

        .footer-links {
            list-style: none;
            padding: 0;
        }

        .footer-links li {
            margin-bottom: 8px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, .65);
            font-size: 14px;
            text-decoration: none;
            transition: color .2s ease;
        }

        .footer-links a:hover {
            color: var(--accent);
        }

        .footer-desc {
            color: rgba(255, 255, 255, .55);
            font-size: 13.5px;
            line-height: 1.8;
            padding: 17px 0 0 0;
            margin-top: 0;
        }

        .footer-brand {
            display: flex;
            gap: 6px;
            align-items: center;
        }

        .footer-brand .brand-text strong {
            display: block;
            font-size: 20px;
            color: var(--accent);
            font-weight: 800;
            line-height: 1.04;
        }

        .footer-brand .brand-text span {
            font-size: 12.6px;
            font-weight: 400;
            color: rgba(255, 255, 255, .72);
            margin-top: 2px;
            display: block;
        }

        .footer-contact-item {
            display: flex;
            align-items: center;
            gap: 9px;
            margin-bottom: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, .6);
            line-height: 1.5;
        }

        .footer-icon {
            width: 29px;
            height: 29px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, .09);
            border-radius: 8px;
            color: var(--accent);
            font-size: 12px;
            flex: none;
        }

        .footer-note {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 20px;
            padding-bottom: 24px;
            font-size: 13px;
            color: rgba(255, 255, 255, .4);
            flex-wrap: wrap;
            gap: 10px;
            box-sizing: border-box;
        }

        .site-copy {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, .55);
            font-size: 13.5px;
        }

        @media (max-width: 992px) {
            .footer-upper {
                flex-wrap: wrap;
                gap: 26px;
                grid-template-columns: 1fr 1fr;
                display: grid;
            }
            .footer-upper .footer-about {
                grid-column: 1 / -1;
                max-width: 480px;
            }
            .footer-upper .footer-cols {
                min-width: 0;
            }
        }

        @media (max-width: 520px) {
            .footer-upper {
                gap: 18px;
            }
            .footer-cols h4 {
                margin-bottom: 10px;
            }
            .footer-note {
                flex-direction: column;
                gap: 6px;
                align-items: flex-start;
                padding-bottom: 20px;
            }
        }

        /* 网格 */
        .grid {
            display: grid;
        }

        .gap-6 {
            gap: 20px;
        }

        @media (min-width: 768px) {
            .md\:grid-cols-2 {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }
            .md\:grid-cols-3 {
                grid-template-columns: repeat(3, minmax(0, 1fr));
            }
            .md\:grid-cols-4 {
                grid-template-columns: repeat(4, minmax(0, 1fr));
            }
        }

        @media (max-width: 767px) {
            .mobile-only-1col {
                grid-template-columns: 1fr !important;
            }
        }