/* roulang page: index */
:root {
  --ht-green-900: #082D24;
  --ht-green-700: #104534;
  --ht-green-600: #256B4F;
  --ht-lime: #D8F34E;
  --ht-cream: #F7F4EE;
  --ht-white: #FFFFFF;
  --ht-ink: #1B2620;
  --ht-muted: #66746C;
  --ht-line: #E5E1D7;
  --ht-radius: 12px;
  --ht-radius-sm: 8px;
  --ht-shadow-sm: 0 2px 10px rgba(10, 45, 34, .05);
  --ht-shadow-lg: 0 24px 50px rgba(10, 45, 34, .12);
  --ht-font: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  margin: 0;
  font-family: var(--ht-font);
  background: var(--ht-cream);
  color: var(--ht-ink);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6, p, ul, ol, figure, blockquote, dd {
  margin: 0;
  padding: 0;
}

ul, ol {
  list-style: none;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color .22s ease, background .22s ease, border-color .22s ease;
}

button {
  font: inherit;
  border: 0;
  background: none;
  cursor: pointer;
  color: inherit;
}

a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--ht-green-600);
  outline-offset: 3px;
}

.ht-container {
  max-width: 1280px;
  margin: 0 auto;
  padding-left: clamp(20px, 3.2vw, 34px);
  padding-right: clamp(20px, 3.2vw, 34px);
}

.ht-section {
  padding-top: clamp(64px, 7.5vw, 110px);
  padding-bottom: clamp(64px, 7.5vw, 110px);
}

.ht-section-white {
  background: var(--ht-white);
}

.ht-section-cream {
  background: var(--ht-cream);
}

.ht-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ht-green-600);
  margin-bottom: 14px;
}

.ht-eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--ht-lime);
  display: inline-block;
}

.ht-section-title {
  font-size: clamp(1.85rem, 3.4vw, 2.75rem);
  line-height: 1.2;
  letter-spacing: -.01em;
  font-weight: 700;
  color: var(--ht-green-900);
}

.ht-section-sub {
  margin-top: 14px;
  max-width: 720px;
  color: var(--ht-muted);
  font-size: 16px;
}

.ht-section-head {
  margin-bottom: 42px;
}

.ht-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 46px;
  padding: 0 24px;
  border-radius: var(--ht-radius-sm);
  font-weight: 600;
  font-size: 15px;
  line-height: 1;
  transition: background .22s ease, color .22s ease, border-color .22s ease, box-shadow .22s ease, transform .22s ease;
}

.ht-btn i {
  font-size: 14px;
  transition: transform .22s ease;
}

.ht-btn:hover i {
  transform: translateX(4px);
}

.ht-btn-lime {
  background: var(--ht-lime);
  color: var(--ht-green-900);
}

.ht-btn-lime:hover,
.ht-btn-lime:focus-visible {
  background: #c8eb33;
  color: var(--ht-green-900);
  box-shadow: 0 10px 24px rgba(216, 243, 78, .18);
}

.ht-btn-ghost {
  border: 1px solid rgba(255, 255, 255, .64);
  color: #fff;
  background: transparent;
}

.ht-btn-ghost:hover,
.ht-btn-ghost:focus-visible {
  background: rgba(255, 255, 255, .14);
  border-color: #fff;
  color: #fff;
}

.ht-btn-dark {
  background: var(--ht-green-700);
  color: #fff;
}

.ht-btn-dark:hover,
.ht-btn-dark:focus-visible {
  background: var(--ht-green-900);
  color: #fff;
}

.ht-btn-dark-green-outline {
  border: 1px solid var(--ht-green-600);
  color: var(--ht-green-700);
  background: transparent;
}

.ht-btn-dark-green-outline:hover,
.ht-btn-dark-green-outline:focus-visible {
  background: var(--ht-green-700);
  color: #fff;
  border-color: var(--ht-green-700);
}

.ht-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid var(--ht-line);
  backdrop-filter: blur(14px);
}

.ht-header-inner {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  min-height: 76px;
  padding-top: 8px;
  padding-bottom: 8px;
}

.ht-brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  margin-right: clamp(14px, 2.6vw, 30px);
  flex-shrink: 0;
}

.ht-brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 11px;
  background: var(--ht-green-700);
  color: var(--ht-lime);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0;
}

.ht-brand-text {
  display: inline-flex;
  flex-direction: column;
  line-height: 1.22;
}

.ht-brand-text strong {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--ht-green-900);
  letter-spacing: .01em;
}

.ht-brand-text small {
  font-size: .78rem;
  color: var(--ht-muted);
  letter-spacing: .05em;
}

.ht-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-right: auto;
}

.ht-nav a {
  position: relative;
  display: inline-block;
  padding: 10px 14px;
  border-radius: var(--ht-radius-sm);
  color: var(--ht-ink);
  font-size: 15px;
  font-weight: 500;
  line-height: 1;
}

.ht-nav a::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 4px;
  height: 2px;
  background: var(--ht-lime);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .25s ease;
}

.ht-nav a:hover {
  color: var(--ht-green-700);
}

.ht-nav a:hover::after,
.ht-nav a.is-active::after {
  transform: scaleX(1);
}

.ht-nav a.is-active {
  color: var(--ht-green-900);
  font-weight: 700;
}

.ht-header-cta {
  min-height: 42px;
  padding: 0 20px;
  margin-left: auto;
  font-size: 14px;
}

.ht-burger {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--ht-cream);
  border: 1px solid var(--ht-line);
  color: var(--ht-green-900);
  font-size: 18px;
}

.ht-burger:hover {
  background: #ede8df;
}

.ht-cta-label-short {
  display: none;
}

.ht-hero {
  position: relative;
  background-color: var(--ht-green-900);
  background-image: linear-gradient(rgba(6, 38, 30, .68), rgba(8, 45, 36, .82)), url('/assets/images/backpic/back-1.png');
  background-position: center center;
  background-size: cover;
  color: #fff;
  overflow: hidden;
}

.ht-hero-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: clamp(30px, 5.5vw, 72px);
  padding-top: clamp(62px, 8vw, 118px);
  padding-bottom: clamp(68px, 9vw, 136px);
}

.ht-hero-copy {
  flex: 1 1 54%;
  max-width: 700px;
}

.ht-hero-title {
  font-size: clamp(2.15rem, 4.7vw, 4.2rem);
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -.02em;
  color: #fff;
}

.ht-hero-title span {
  color: rgba(255, 255, 255, .86);
}

.ht-hero-lead {
  margin-top: 24px;
  max-width: 560px;
  color: rgba(255, 255, 255, .78);
  font-size: 17px;
  line-height: 1.85;
}

.ht-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.ht-hero-note {
  margin-top: 22px;
  color: rgba(255, 255, 255, .55);
  font-size: 13px;
}

.ht-hero-visual {
  flex: 0 1 42%;
  min-width: 320px;
  display: flex;
  justify-content: center;
}

.ht-entry-sheet {
  width: min(100%, 372px);
  background: rgba(255, 255, 255, .98);
  border: 1px solid rgba(255, 255, 255, .45);
  border-radius: 24px;
  box-shadow: 0 30px 90px rgba(0, 0, 0, .32);
  overflow: hidden;
}

.ht-sheet-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px 14px;
  background: var(--ht-cream);
}

.ht-sheet-head strong {
  font-size: 14px;
  color: var(--ht-green-900);
}

.ht-sheet-head span {
  font-size: 12px;
  color: var(--ht-muted);
}

.ht-sheet-body {
  padding: 18px;
}

.ht-sheet-status {
  margin-bottom: 18px;
}

.ht-sheet-status li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 0;
  border-bottom: 1px solid var(--ht-line);
  color: var(--ht-ink);
  font-size: 14px;
}

.ht-sheet-status li:last-child {
  border-bottom: 0;
}

.ht-sheet-status .ht-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ht-lime);
  border: 1px solid var(--ht-green-700);
  flex-shrink: 0;
}

.ht-sheet-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 8px;
  padding: 14px 16px;
  border-radius: 12px;
  background: var(--ht-green-900);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
}

.ht-sheet-link i {
  color: var(--ht-lime);
  transition: transform .22s ease;
}

.ht-sheet-link:hover {
  background: var(--ht-green-700);
}

.ht-sheet-link:hover i {
  transform: translateX(4px);
}

.ht-hero-env {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.ht-hero-env span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--ht-cream);
  color: var(--ht-green-900);
  border: 1px solid var(--ht-line);
}

.ht-quick-guide {
  background: var(--ht-white);
}

.ht-guide-grid {
  display: flex;
  flex-wrap: wrap;
}

.ht-guide-primary {
  position: relative;
  display: flex;
  flex-direction: row;
  gap: 22px;
  align-items: stretch;
  width: 100%;
  min-height: 250px;
  padding: 26px;
  border-radius: 16px;
  background: var(--ht-green-900);
  border: 1px solid var(--ht-line);
  overflow: hidden;
  transition: transform .26s ease, box-shadow .26s ease, border-color .26s ease;
  box-shadow: var(--ht-shadow-sm);
}

.ht-guide-primary:hover,
.ht-guide-primary:focus-visible {
  transform: translateY(-5px);
  border-color: var(--ht-green-600);
  box-shadow: var(--ht-shadow-lg);
}

.ht-guide-primary-text {
  flex: 1 1 50%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  color: #fff;
  padding: 8px 0 0 4px;
}

.ht-guide-primary-text .ht-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .13);
  color: var(--ht-lime);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .04em;
}

.ht-guide-primary-text h3 {
  margin-top: 18px;
  font-size: clamp(1.35rem, 2vw, 1.85rem);
  line-height: 1.3;
  font-weight: 700;
}

.ht-guide-primary-text p {
  margin-top: 14px;
  color: rgba(255, 255, 255, .74);
  font-size: 15px;
  line-height: 1.8;
  max-width: 90%;
}

.ht-guide-primary-text .ht-link-go {
  margin-top: auto;
  padding-top: 22px;
}

.ht-link-go {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 14px;
  font-weight: 700;
  color: var(--ht-green-700);
}

.ht-link-go i {
  transition: transform .22s ease;
  font-size: 12px;
}

.ht-link-go:hover i,
a:hover .ht-link-go i {
  transform: translateX(4px);
}

.ht-guide-primary-text .ht-link-go {
  color: var(--ht-lime);
}

.ht-guide-primary-media {
  flex: 0 0 40%;
  min-height: 210px;
  border-radius: 14px;
  overflow: hidden;
  background: var(--ht-green-600);
}

.ht-guide-primary-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}

.ht-guide-primary:hover .ht-guide-primary-media img {
  transform: scale(1.03);
}

.ht-guide-aside {
  display: flex;
  flex-direction: column;
  gap: 18px;
  height: 100%;
}

.ht-feature-card {
  position: relative;
  display: block;
  flex: 1;
  border-radius: 16px;
  background: var(--ht-white);
  border: 1px solid var(--ht-line);
  padding: 24px;
  box-shadow: var(--ht-shadow-sm);
  transition: transform .24s ease, box-shadow .24s ease, border-color .24s ease;
}

.ht-feature-card:hover,
.ht-feature-card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--ht-green-600);
  box-shadow: var(--ht-shadow-lg);
}

.ht-feature-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 13px;
  background: #ecf7e7;
  color: var(--ht-green-700);
  font-size: 18px;
  margin-bottom: 18px;
  border: 1px solid #dcebdc;
}

.ht-feature-card h3 {
  font-size: 1.2rem;
  line-height: 1.35;
  color: var(--ht-green-900);
  font-weight: 700;
}

.ht-feature-card p {
  margin-top: 10px;
  color: var(--ht-muted);
  font-size: 14px;
  line-height: 1.75;
}

.ht-feature-card .ht-link-go {
  margin-top: 16px;
  color: var(--ht-green-600);
}

.ht-review-section {
  background: var(--ht-cream);
}

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

.ht-review-section .ht-eyebrow {
  justify-content: center;
}

.ht-review-section .ht-eyebrow::before {
  display: none;
}

.ht-review-section .ht-section-sub {
  margin-left: auto;
  margin-right: auto;
}

.ht-slider-wrap {
  max-width: 1000px;
  margin: 0 auto;
}

.ht-slider-frame {
  overflow: hidden;
  border-radius: 18px;
  background: var(--ht-white);
  border: 1px solid var(--ht-line);
  box-shadow: var(--ht-shadow-sm);
}

.ht-slider-track {
  display: flex;
  transition: transform .36s ease;
}

.ht-review-slide {
  flex: 0 0 100%;
  min-height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px;
}

.ht-review-content {
  max-width: 760px;
  text-align: center;
}

.ht-review-content .ht-quote-icon {
  font-size: 30px;
  color: var(--ht-green-600);
  opacity: .32;
  margin-bottom: 12px;
}

.ht-review-content blockquote {
  font-size: clamp(1.08rem, 1.8vw, 1.35rem);
  line-height: 1.85;
  color: var(--ht-ink);
  font-weight: 500;
  letter-spacing: .01em;
}

.ht-review-meta {
  display: block;
  margin-top: 22px;
  color: var(--ht-muted);
  font-size: 14px;
}

.ht-review-meta strong {
  color: var(--ht-green-900);
  font-weight: 700;
}

.ht-slider-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  margin-top: 22px;
}

.ht-slider-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--ht-green-600);
  background: transparent;
  color: var(--ht-green-700);
  font-size: 15px;
  transition: background .22s ease, color .22s ease, transform .22s ease;
}

.ht-slider-arrow:hover {
  background: var(--ht-green-700);
  color: #fff;
  transform: translateY(-2px);
}

.ht-slider-dots {
  display: flex;
  gap: 8px;
}

.ht-slider-dots button {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: #d2ccc0;
  transition: width .22s ease, background .22s ease;
}

.ht-slider-dots button.is-active {
  width: 24px;
  background: var(--ht-green-700);
}

.ht-trust-strip {
  background: var(--ht-white);
  border-top: 1px solid var(--ht-line);
  border-bottom: 1px solid var(--ht-line);
}

.ht-trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.ht-trust-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 30px 26px;
}

.ht-trust-item + .ht-trust-item {
  border-left: 1px solid var(--ht-line);
}

.ht-trust-item i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--ht-cream);
  color: var(--ht-green-700);
  font-size: 17px;
  flex-shrink: 0;
}

.ht-trust-item strong {
  display: block;
  color: var(--ht-green-900);
  font-size: 15px;
  line-height: 1.4;
}

.ht-trust-item small {
  display: block;
  margin-top: 3px;
  color: var(--ht-muted);
  font-size: 13px;
  line-height: 1.55;
}

.ht-latest-section {
  background: var(--ht-cream);
}

.ht-latest-grid {
  margin-top: 16px;
}

.ht-latest-card {
  height: 100%;
  background: var(--ht-white);
  border: 1px solid var(--ht-line);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--ht-shadow-sm);
}

.ht-feature-post {
  display: flex;
  flex-wrap: wrap;
  height: 100%;
}

.ht-feature-post-media {
  position: relative;
  flex: 0 0 40%;
  min-height: 230px;
  overflow: hidden;
  background: var(--ht-green-600);
}

.ht-feature-post-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}

.ht-feature-post:hover .ht-feature-post-media img {
  transform: scale(1.03);
}

.ht-feature-post-content {
  flex: 1 0 55%;
  display: flex;
  flex-direction: column;
  padding: clamp(24px, 3vw, 34px);
}

.ht-tag {
  display: inline-flex;
  align-items: center;
  width: max-content;
  padding: 6px 13px;
  border-radius: 999px;
  border: 1px solid var(--ht-green-600);
  color: var(--ht-green-700);
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
  background: var(--ht-white);
}

.ht-feature-post-content h3 {
  margin-top: 16px;
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  line-height: 1.45;
  font-weight: 700;
  color: var(--ht-green-900);
}

.ht-feature-post-content p {
  margin-top: 12px;
  color: var(--ht-muted);
  font-size: 14px;
  line-height: 1.85;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.ht-post-date {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ht-muted);
  font-size: 13px;
  margin-top: auto;
  padding-top: 18px;
}

.ht-post-date i {
  color: var(--ht-green-600);
}

.ht-latest-list-card {
  height: 100%;
  background: var(--ht-white);
  border: 1px solid var(--ht-line);
  border-radius: 16px;
  padding: 12px 20px;
  box-shadow: var(--ht-shadow-sm);
}

.ht-post-list li {
  border-bottom: 1px solid var(--ht-line);
}

.ht-post-list li:last-child {
  border-bottom: 0;
}

.ht-post-list-item {
  display: block;
  padding: 16px 6px;
  transition: background .22s ease;
}

.ht-post-list-item:hover {
  background: var(--ht-cream);
}

.ht-post-list-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ht-muted);
  font-size: 12px;
}

.ht-post-list-meta .ht-tag {
  padding: 4px 9px;
  font-size: 11px;
}

.ht-post-list-item h4 {
  margin-top: 5px;
  font-size: 15px;
  line-height: 1.55;
  font-weight: 700;
  color: var(--ht-green-900);
  transition: color .22s ease;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.ht-post-list-item:hover h4 {
  color: var(--ht-green-600);
}

.ht-post-list-item p {
  margin-top: 4px;
  color: var(--ht-muted);
  font-size: 13px;
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.ht-empty {
  min-height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ht-white);
  border: 1px dashed var(--ht-line);
  border-radius: 16px;
  color: var(--ht-muted);
  font-size: 15px;
  margin-top: 20px;
}

.ht-faq-section {
  background: var(--ht-white);
}

.ht-faq-list {
  max-width: 940px;
  margin: 0 auto;
}

.accordion-item.ht-faq-item {
  background: var(--ht-cream);
  border: 1px solid var(--ht-line);
  border-radius: 14px;
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color .22s ease, box-shadow .22s ease;
}

.accordion-item.ht-faq-item.is-active {
  border-color: var(--ht-green-600);
  box-shadow: var(--ht-shadow-sm);
}

.ht-faq-list .accordion-title {
  display: block;
  padding: 20px 52px 20px 22px;
  border-bottom: 0;
  background: transparent;
  color: var(--ht-green-900);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.55;
  position: relative;
}

.ht-faq-list .accordion-title:focus-visible {
  outline: 2px solid var(--ht-green-600);
  outline-offset: -2px;
}

.ht-faq-list .accordion-title::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  width: 26px;
  height: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--ht-green-700);
  color: var(--ht-lime);
  font-size: 17px;
  font-weight: 400;
  line-height: 1;
  transition: transform .22s ease, background .22s ease;
}

.ht-faq-list .accordion-item.is-active .accordion-title {
  color: var(--ht-green-700);
}

.ht-faq-list .accordion-item.is-active .accordion-title::after {
  content: "−";
  background: var(--ht-lime);
  color: var(--ht-green-900);
}

.ht-faq-list .accordion-content {
  background: transparent;
  color: var(--ht-muted);
  border-top: 1px solid var(--ht-line);
  padding: 0 22px 22px;
  font-size: 15px;
  line-height: 1.85;
}

.ht-faq-content p {
  padding-top: 18px;
}

.ht-faq-content {
  background: transparent;
  color: var(--ht-muted);
}

.ht-faq-section-note {
  max-width: 940px;
  margin: 24px auto 0;
  text-align: center;
  color: var(--ht-muted);
  font-size: 14px;
}

.ht-faq-section-note a {
  color: var(--ht-green-700);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.ht-faq-section-note a:hover {
  color: var(--ht-green-900);
}

.ht-final-cta {
  position: relative;
  background-color: var(--ht-green-900);
  background-image: linear-gradient(rgba(8, 45, 36, .86), rgba(8, 45, 36, .9)), url('/assets/images/backpic/back-3.webp');
  background-position: center;
  background-size: cover;
  color: #fff;
  text-align: center;
}

.ht-final-cta-inner {
  max-width: 760px;
  margin: 0 auto;
  padding-top: clamp(72px, 8vw, 120px);
  padding-bottom: clamp(72px, 8vw, 120px);
}

.ht-final-cta-inner h2 {
  font-size: clamp(1.7rem, 3.2vw, 2.65rem);
  line-height: 1.25;
  font-weight: 800;
}

.ht-final-cta-inner p {
  margin: 18px auto 32px;
  max-width: 640px;
  color: rgba(255, 255, 255, .75);
  font-size: 16px;
}

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

.ht-footer {
  background: var(--ht-green-900);
  color: rgba(255, 255, 255, .68);
  border-top: 4px solid var(--ht-green-700);
}

.ht-footer-main {
  padding-top: 60px;
  padding-bottom: 36px;
}

.ht-footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.ht-footer-brand strong {
  display: block;
  color: #fff;
  font-size: 1.2rem;
  line-height: 1.25;
}

.ht-footer-brand small {
  display: block;
  color: rgba(255, 255, 255, .55);
  font-size: .8rem;
  letter-spacing: .04em;
}

.ht-footer-desc {
  max-width: 400px;
  color: rgba(255, 255, 255, .62);
  font-size: 14px;
  line-height: 1.85;
  margin-top: 12px;
}

.ht-footer h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: .02em;
}

.ht-footer-links {
  display: grid;
  gap: 9px;
}

.ht-footer-links a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: rgba(255, 255, 255, .66);
  font-size: 14px;
}

.ht-footer-links a i {
  font-size: 11px;
  color: var(--ht-lime);
}

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

.ht-footer-copyright {
  border-top: 1px solid rgba(255, 255, 255, .12);
  padding-top: 22px;
  padding-bottom: 30px;
  color: rgba(255, 255, 255, .42);
  font-size: 13px;
}

@media (max-width: 1024px) {
  .ht-guide-primary {
    flex-direction: column;
  }

  .ht-guide-primary-media {
    min-height: 190px;
    flex-basis: auto;
  }

  .ht-primary-hero {
    min-height: 220px;
  }

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

  .ht-trust-item:nth-child(3) {
    border-left: 0;
    border-top: 1px solid var(--ht-line);
  }

  .ht-trust-item:nth-child(4) {
    border-top: 1px solid var(--ht-line);
  }

  .ht-latest-card {
    margin-top: 18px;
  }

  .ht-latest-list-card {
    min-height: auto;
  }

  .ht-feature-post {
    flex-direction: column;
  }

  .ht-feature-post-media {
    flex-basis: auto;
    min-height: 220px;
  }
}

@media (max-width: 767px) {
  .ht-hero-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .ht-hero-visual {
    flex: none;
    width: 100%;
    min-width: 0;
    justify-content: flex-start;
  }

  .ht-entry-sheet {
    width: min(100%, 440px);
  }

  .ht-trust-item {
    padding: 20px 16px;
  }

  .ht-guide-primary-text p {
    max-width: 100%;
  }

  .ht-review-slide {
    min-height: 310px;
    padding: 22px;
  }

  .ht-slider-controls {
    gap: 16px;
  }

  .ht-review-content blockquote {
    font-size: 1rem;
  }
}

@media (min-width: 1024px) {
  .ht-header-cta {
    margin-left: 0;
  }
}

@media (max-width: 1023px) {
  .ht-header-inner {
    min-height: 72px;
  }

  .ht-brand {
    margin-right: auto;
  }

  .ht-nav {
    display: none;
    order: 4;
    width: 100%;
    margin: 8px 0 4px;
    padding-top: 8px;
    padding-bottom: 10px;
    border-top: 1px solid var(--ht-line);
  }

  .ht-header.ht-nav-open .ht-nav {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
  }

  .ht-nav a {
    display: block;
    padding: 13px 8px;
    font-size: 16px;
  }

  .ht-nav a::after {
    display: none;
  }

  .ht-header-cta {
    margin-left: 0;
  }

  .ht-burger {
    display: inline-flex;
  }
}

@media (max-width: 639px) {
  .ht-brand-text strong {
    font-size: 1.05rem;
  }

  .ht-brand-text small {
    font-size: .7rem;
  }

  .ht-brand-mark {
    width: 38px;
    height: 38px;
  }

  .ht-header-cta {
    padding: 0 14px;
    min-height: 38px;
    font-size: 13px;
  }

  .ht-cta-label-long {
    display: none;
  }

  .ht-cta-label-short {
    display: inline;
  }

  .ht-trust-grid {
    grid-template-columns: 1fr;
  }

  .ht-trust-item {
    border-bottom: 1px solid var(--ht-line);
  }

  .ht-trust-item + .ht-trust-item {
    border-left: 0;
  }

  .ht-trust-item:last-child {
    border-bottom: 0;
  }

  .ht-trust-item:nth-child(3) {
    border-top: 0;
  }

  .ht-trust-item:nth-child(4) {
    border-top: 0;
  }

  .ht-guide-primary {
    padding: 18px;
  }

  .ht-guide-primary-media {
    min-height: 170px;
  }

  .ht-feature-post-content {
    padding: 20px;
  }

  .ht-section {
    padding-top: 54px;
    padding-bottom: 54px;
  }

  .ht-faq-list .accordion-title {
    padding-right: 58px;
    font-size: 15px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
    transition-delay: 0ms !important;
  }
}

/* roulang page: category1 */
:root {
      --ht-green-900: #082D24;
      --ht-green-700: #104534;
      --ht-green-600: #256B4F;
      --ht-lime: #D8F34E;
      --ht-cream: #F7F4EE;
      --ht-white: #FFFFFF;
      --ht-ink: #1B2620;
      --ht-muted: #66746C;
      --ht-line: #E5E1D7;
      --ht-radius: 12px;
      --ht-radius-sm: 8px;
      --ht-shadow: 0 2px 10px rgba(10,45,34,.05);
      --ht-shadow-lg: 0 24px 50px rgba(10,45,34,.12);
      --ht-ease: cubic-bezier(.22,.68,0,1);
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
      background: var(--ht-cream);
      color: var(--ht-ink);
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }

    ul, ol, li, figure, blockquote {
      margin: 0;
      padding: 0;
      list-style: none;
    }

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

    a {
      color: inherit;
      text-decoration: none;
      transition: color .22s var(--ht-ease), background-color .22s var(--ht-ease), border-color .22s var(--ht-ease), box-shadow .22s var(--ht-ease);
    }

    button {
      font: inherit;
      border: 0;
      background: none;
      cursor: pointer;
    }

    :focus-visible {
      outline: 3px solid var(--ht-lime);
      outline-offset: 3px;
      border-radius: 6px;
    }

    .ht-container {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 28px;
      position: relative;
    }

    .ht-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255,255,255,.96);
      border-bottom: 1px solid var(--ht-line);
      box-shadow: 0 1px 0 rgba(10,45,34,.03);
      backdrop-filter: blur(12px);
    }

    .ht-header-inner {
      display: flex;
      align-items: center;
      min-height: 76px;
      gap: 28px;
    }

    .ht-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
      border-radius: 8px;
    }

    .ht-brand-mark {
      width: 46px;
      height: 46px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--ht-green-900);
      color: var(--ht-lime);
      font-size: 22px;
      font-weight: 700;
      border-radius: 12px;
      box-shadow: inset 0 -2px 0 rgba(216,243,78,.22);
    }

    .ht-brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.2;
    }

    .ht-brand-text strong {
      font-size: 18px;
      font-weight: 700;
      color: var(--ht-green-900);
      letter-spacing: .02em;
    }

    .ht-brand-text small {
      font-size: 11px;
      color: var(--ht-green-600);
      letter-spacing: .12em;
      margin-top: 3px;
      text-transform: uppercase;
    }

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

    .ht-nav a {
      position: relative;
      display: inline-flex;
      align-items: center;
      height: 40px;
      padding: 0 16px;
      font-size: 16px;
      font-weight: 500;
      color: var(--ht-ink);
      border-radius: var(--ht-radius-sm);
    }

    .ht-nav a::after {
      content: "";
      position: absolute;
      left: 16px;
      right: 16px;
      bottom: 3px;
      height: 3px;
      border-radius: 4px;
      background: var(--ht-lime);
      transform: scaleX(0);
      transform-origin: left center;
      transition: transform .25s var(--ht-ease);
    }

    .ht-nav a:hover {
      color: var(--ht-green-700);
    }

    .ht-nav a:hover::after,
    .ht-nav a.is-active::after {
      transform: scaleX(1);
    }

    .ht-nav a.is-active {
      color: var(--ht-green-900);
      font-weight: 700;
    }

    .ht-btn {
      position: relative;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      height: 48px;
      padding: 0 24px;
      border-radius: var(--ht-radius-sm);
      font-size: 16px;
      font-weight: 600;
      border: 1px solid transparent;
      transition: transform .22s var(--ht-ease), box-shadow .22s var(--ht-ease), background-color .22s var(--ht-ease), color .22s var(--ht-ease);
      line-height: 1;
    }

    .ht-btn i {
      font-size: 14px;
      transition: transform .22s var(--ht-ease);
    }

    .ht-btn:hover i {
      transform: translateX(4px);
    }

    .ht-btn-lime {
      background: var(--ht-lime);
      color: var(--ht-green-900);
      box-shadow: 0 10px 20px rgba(216,243,78,.16);
    }

    .ht-btn-lime:hover {
      background: #E4FA68;
      transform: translateY(-2px);
      box-shadow: 0 14px 26px rgba(8,45,36,.16);
      color: var(--ht-green-900);
    }

    .ht-btn-outline {
      border-color: rgba(255,255,255,.46);
      color: var(--ht-white);
      background: transparent;
    }

    .ht-btn-outline:hover,
    .ht-btn-outline:focus {
      background: var(--ht-white);
      color: var(--ht-green-900);
      border-color: var(--ht-white);
      transform: translateY(-2px);
      box-shadow: 0 14px 30px rgba(8,45,36,.18);
    }

    .ht-btn-ghost {
      border-color: rgba(255,255,255,.28);
      color: var(--ht-white);
    }

    .ht-btn-ghost:hover,
    .ht-btn-ghost:focus {
      background: rgba(255,255,255,.12);
      border-color: rgba(255,255,255,.7);
      color: var(--ht-white);
      transform: translateY(-2px);
    }

    .ht-header-cta {
      height: 42px;
      padding: 0 18px;
      flex-shrink: 0;
      border-radius: 9px;
    }

    .ht-cta-label-short {
      display: none;
    }

    .ht-burger {
      display: none;
      width: 46px;
      height: 46px;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      color: var(--ht-green-900);
      border: 1px solid var(--ht-line);
      border-radius: 10px;
      background: var(--ht-white);
    }

    .ht-burger:focus {
      outline: 3px solid var(--ht-lime);
      outline-offset: 2px;
    }

    .ht-page-hero {
      position: relative;
      overflow: hidden;
      padding: 96px 0 92px;
      background: var(--ht-green-900);
      background-image: url('/assets/images/backpic/back-1.png');
      background-size: cover;
      background-position: center;
      color: var(--ht-white);
    }

    .ht-page-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(100deg, rgba(8,45,36,.96) 10%, rgba(8,45,36,.85) 56%, rgba(8,45,36,.62) 100%);
    }

    .ht-page-hero .ht-container {
      z-index: 2;
    }

    .ht-crumb {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 34px;
      font-size: 14px;
      color: rgba(255,255,255,.62);
    }

    .ht-crumb a {
      color: rgba(255,255,255,.82);
    }

    .ht-crumb a:hover {
      color: var(--ht-lime);
    }

    .ht-eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 18px;
      font-size: 13px;
      font-weight: 600;
      letter-spacing: .16em;
      text-transform: uppercase;
      color: var(--ht-lime);
    }

    .ht-eyebrow::before {
      content: "";
      width: 30px;
      height: 2px;
      background: var(--ht-lime);
      border-radius: 999px;
    }

    .ht-page-hero h1 {
      max-width: 720px;
      font-size: clamp(38px, 5.4vw, 64px);
      line-height: 1.12;
      font-weight: 700;
      color: var(--ht-white);
      letter-spacing: -.02em;
      margin: 0 0 24px;
    }

    .ht-page-hero h1 span {
      color: var(--ht-lime);
    }

    .ht-hero-lead {
      max-width: 630px;
      font-size: 18px;
      line-height: 1.8;
      color: rgba(255,255,255,.86);
      margin-bottom: 32px;
    }

    .ht-hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 30px;
    }

    .ht-hero-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .ht-hero-meta li {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 14px;
      border-radius: 999px;
      border: 1px solid rgba(255,255,255,.24);
      font-size: 14px;
      color: rgba(255,255,255,.78);
      background: rgba(255,255,255,.06);
    }

    .ht-hero-meta i {
      color: var(--ht-lime);
    }

    .ht-hero-figure {
      margin: 0;
      padding: 12px;
      background: rgba(255,255,255,.1);
      border: 1px solid rgba(255,255,255,.22);
      border-radius: 22px;
      box-shadow: 0 30px 60px rgba(0,0,0,.24);
    }

    .ht-hero-figure img {
      border-radius: 14px;
      width: 100%;
      aspect-ratio: 4 / 3;
      object-fit: cover;
    }

    .ht-figure-note {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 14px 12px 6px;
      font-size: 13px;
      color: rgba(255,255,255,.72);
    }

    .ht-figure-note i {
      color: var(--ht-lime);
    }

    .ht-quickbar {
      background: var(--ht-white);
      border: 1px solid var(--ht-line);
      border-radius: 16px;
      box-shadow: var(--ht-shadow);
      padding: 34px 24px 10px;
    }

    .ht-quickbar .cell {
      padding-bottom: 24px;
    }

    .ht-quickbar-item {
      display: flex;
      gap: 14px;
      padding: 0 10px;
    }

    .ht-quickbar-icon {
      width: 44px;
      height: 44px;
      flex: 0 0 44px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 12px;
      background: rgba(37,107,79,.1);
      color: var(--ht-green-700);
      font-size: 18px;
      border: 1px solid rgba(37,107,79,.12);
    }

    .ht-quickbar-title {
      font-size: 15px;
      font-weight: 700;
      color: var(--ht-green-900);
      margin-bottom: 4px;
      line-height: 1.4;
    }

    .ht-quickbar-text {
      font-size: 14px;
      color: var(--ht-muted);
      line-height: 1.65;
    }

    .ht-section {
      padding: 92px 0;
    }

    .ht-section-head {
      max-width: 820px;
      margin-bottom: 46px;
    }

    .ht-kicker {
      display: block;
      margin-bottom: 14px;
      font-size: 13px;
      font-weight: 700;
      letter-spacing: .15em;
      color: var(--ht-green-600);
      text-transform: uppercase;
    }

    .ht-section-head h2,
    .ht-band h2 {
      margin: 0;
      font-size: clamp(28px, 4vw, 44px);
      line-height: 1.25;
      letter-spacing: -.02em;
      color: var(--ht-green-900);
      font-weight: 700;
    }

    .ht-section-head p {
      margin: 16px 0 0;
      font-size: 17px;
      line-height: 1.8;
      color: var(--ht-muted);
    }

    .ht-guide-steps {
      padding-top: 76px;
      background: var(--ht-white);
      border-top: 1px solid var(--ht-line);
      border-bottom: 1px solid var(--ht-line);
    }

    .ht-steps-list {
      display: flex;
      flex-direction: column;
    }

    .ht-step-row {
      display: flex;
      align-items: flex-start;
      gap: 28px;
      padding: 34px 0 36px;
      border-bottom: 1px solid var(--ht-line);
    }

    .ht-step-row:last-child {
      border-bottom: 0;
    }

    .ht-step-num {
      flex: 0 0 90px;
      font-size: 64px;
      line-height: 1;
      font-weight: 700;
      letter-spacing: -.03em;
      color: #B8CBB6;
    }

    .ht-step-content {
      padding-top: 8px;
    }

    .ht-step-content h3 {
      font-size: 24px;
      margin: 0 0 12px;
      color: var(--ht-green-900);
      font-weight: 700;
      line-height: 1.35;
    }

    .ht-step-content h3 small {
      display: block;
      margin-top: 4px;
      font-size: 14px;
      color: var(--ht-green-600);
      font-weight: 500;
      letter-spacing: .04em;
    }

    .ht-step-content p {
      margin: 0 0 14px;
      font-size: 16px;
      line-height: 1.8;
      color: var(--ht-muted);
    }

    .ht-steps-tip {
      display: flex;
      gap: 12px;
      margin-top: 16px;
      padding: 14px 18px;
      border-radius: 12px;
      background: #EFF5ED;
      border: 1px solid #DCE8D8;
      font-size: 14px;
      line-height: 1.7;
      color: #2C4E40;
    }

    .ht-steps-tip i {
      color: var(--ht-green-600);
      margin-top: 3px;
      font-size: 16px;
    }

    .ht-guide-aside {
      position: sticky;
      top: 100px;
    }

    .ht-aside-card {
      background: var(--ht-white);
      border: 1px solid var(--ht-line);
      box-shadow: var(--ht-shadow);
      border-radius: 16px;
      padding: 26px;
      margin-bottom: 20px;
    }

    .ht-aside-card .ht-aside-title {
      margin: 0 0 18px;
      font-size: 18px;
      color: var(--ht-green-900);
      font-weight: 700;
      padding-bottom: 14px;
      border-bottom: 1px solid var(--ht-line);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .ht-aside-card .ht-aside-title i {
      color: var(--ht-green-600);
    }

    .ht-anchor-list li {
      margin-bottom: 12px;
      font-size: 15px;
      line-height: 1.65;
      color: var(--ht-muted);
      padding-left: 26px;
      position: relative;
    }

    .ht-anchor-list li::before {
      content: "\f061";
      font-family: "Font Awesome 6 Free";
      font-weight: 900;
      position: absolute;
      left: 0;
      top: 2px;
      font-size: 12px;
      color: var(--ht-lime);
    }

    .ht-aside-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-weight: 600;
      color: var(--ht-green-700);
      margin-top: 8px;
    }

    .ht-aside-link i {
      font-size: 13px;
      transition: transform .22s var(--ht-ease);
    }

    .ht-aside-link:hover i {
      transform: translateX(5px);
    }

    .ht-notice-card {
      background: var(--ht-green-900);
      color: var(--ht-white);
    }

    .ht-notice-card .ht-aside-title {
      color: var(--ht-white);
      border-bottom-color: rgba(255,255,255,.2);
    }

    .ht-notice-card .ht-aside-title i {
      color: var(--ht-lime);
    }

    .ht-notice-card p {
      font-size: 14px;
      line-height: 1.75;
      color: rgba(255,255,255,.76);
      margin: 0 0 18px;
    }

    .ht-notice-card .ht-btn {
      width: 100%;
    }

    .ht-compare {
      background: #EEF1EC;
    }

    .ht-compare-grid .cell {
      display: flex;
    }

    .ht-compare-box {
      width: 100%;
      background: var(--ht-white);
      border: 1px solid var(--ht-line);
      border-radius: 16px;
      box-shadow: var(--ht-shadow);
      padding: 30px;
    }

    .ht-compare-box h3 {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      margin: 0 0 20px;
      color: var(--ht-green-900);
    }

    .ht-compare-box h3 .ht-compare-icon {
      width: 34px;
      height: 34px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 9px;
      font-size: 14px;
    }

    .ht-avoid .ht-compare-icon {
      background: #F6EBDD;
      color: #9E6B2F;
    }

    .ht-recommend .ht-compare-icon {
      background: rgba(37,107,79,.12);
      color: var(--ht-green-700);
    }

    .ht-compare-box ul {
      display: flex;
      flex-direction: column;
      gap: 13px;
    }

    .ht-compare-box li {
      position: relative;
      display: flex;
      gap: 12px;
      padding: 12px 14px;
      border-radius: 10px;
      background: var(--ht-cream);
      border: 1px solid rgba(229,225,215,.6);
      font-size: 15px;
      line-height: 1.7;
      color: var(--ht-ink);
    }

    .ht-compare-box li i {
      margin-top: 5px;
      font-size: 13px;
    }

    .ht-avoid li i {
      color: #B08349;
    }

    .ht-recommend li {
      background: #F2F6EF;
      border-color: #DDE8D9;
    }

    .ht-recommend li i {
      color: var(--ht-green-600);
    }

    .ht-compare-foot {
      margin-top: 22px;
      padding-top: 18px;
      border-top: 1px dashed var(--ht-line);
      font-size: 14px;
      color: var(--ht-muted);
      line-height: 1.75;
    }

    .ht-band {
      padding: 78px 0;
      background: var(--ht-green-900);
      color: var(--ht-white);
      position: relative;
      overflow: hidden;
    }

    .ht-band .ht-container {
      z-index: 2;
    }

    .ht-band h2 {
      color: var(--ht-white);
    }

    .ht-band p {
      color: rgba(255,255,255,.78);
      font-size: 17px;
      margin: 18px 0 0;
      max-width: 760px;
    }

    .ht-band .ht-btn-lime {
      margin-top: 24px;
    }

    .ht-faq-section {
      background: var(--ht-white);
    }

    .ht-faq-list {
      max-width: 980px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .ht-faq-item {
      background: var(--ht-white);
      border: 1px solid var(--ht-line);
      border-left: 4px solid var(--ht-green-600);
      border-radius: 14px;
      box-shadow: var(--ht-shadow);
      overflow: hidden;
      transition: border-color .25s var(--ht-ease), box-shadow .25s var(--ht-ease);
    }

    .ht-faq-item:hover {
      box-shadow: var(--ht-shadow-lg);
      border-color: rgba(37,107,79,.5);
    }

    .ht-faq-item[open] {
      border-left-color: var(--ht-lime);
      box-shadow: var(--ht-shadow-lg);
    }

    .ht-faq-item summary {
      position: relative;
      display: flex;
      align-items: center;
      gap: 14px;
      list-style: none;
      padding: 22px 24px;
      font-size: 16px;
      font-weight: 600;
      color: var(--ht-green-900);
      cursor: pointer;
      transition: color .22s var(--ht-ease);
    }

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

    .ht-faq-item summary::after {
      content: "\f067";
      font-family: "Font Awesome 6 Free";
      font-weight: 900;
      margin-left: auto;
      display: inline-flex;
      color: var(--ht-green-600);
      transition: transform .25s var(--ht-ease), color .25s var(--ht-ease);
      font-size: 14px;
      flex: 0 0 20px;
    }

    .ht-faq-item[open] summary {
      color: var(--ht-green-700);
    }

    .ht-faq-item[open] summary::after {
      transform: rotate(45deg);
      color: var(--ht-green-900);
    }

    .ht-faq-body {
      padding: 0 24px 22px;
      font-size: 15px;
      line-height: 1.8;
      color: var(--ht-muted);
    }

    .ht-faq-body p {
      margin: 0;
    }

    .ht-faq-foot {
      max-width: 980px;
      margin: 34px auto 0;
      text-align: center;
    }

    .ht-faq-foot a {
      color: var(--ht-green-700);
      font-weight: 600;
      border-bottom: 2px solid var(--ht-lime);
      padding-bottom: 2px;
    }

    .ht-cta-final {
      padding: 82px 0;
      background: var(--ht-green-900);
      background-image: url('/assets/images/backpic/back-3.webp');
      background-size: cover;
      background-position: center;
      position: relative;
    }

    .ht-cta-final::before {
      content: "";
      position: absolute;
      inset: 0;
      background: rgba(8,45,36,.84);
    }

    .ht-cta-final .ht-container {
      z-index: 2;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 28px;
    }

    .ht-cta-final h2 {
      font-size: clamp(28px, 3.8vw, 44px);
      line-height: 1.25;
      margin: 0 0 14px;
      color: var(--ht-white);
    }

    .ht-cta-final p {
      max-width: 720px;
      margin: 0;
      font-size: 17px;
      color: rgba(255,255,255,.78);
    }

    .ht-cta-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
    }

    .ht-footer {
      background: #052219;
      border-top: 4px solid var(--ht-green-700);
      color: rgba(255,255,255,.72);
      padding: 72px 0 0;
    }

    .ht-footer-main {
      border-bottom: 1px solid rgba(255,255,255,.1);
      padding-bottom: 48px;
    }

    .ht-footer-brand {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-bottom: 20px;
    }

    .ht-footer-brand strong {
      display: block;
      font-size: 20px;
      color: var(--ht-white);
      line-height: 1.2;
    }

    .ht-footer-brand small {
      display: block;
      margin-top: 4px;
      font-size: 12px;
      letter-spacing: .1em;
      color: var(--ht-lime);
    }

    .ht-footer-desc {
      max-width: 420px;
      font-size: 14px;
      line-height: 1.8;
      color: rgba(255,255,255,.6);
      margin: 0;
    }

    .ht-footer h4 {
      color: var(--ht-white);
      font-size: 15px;
      font-weight: 600;
      letter-spacing: .04em;
      margin: 0 0 18px;
    }

    .ht-footer-links {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .ht-footer-links a {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 14px;
      line-height: 1.6;
      color: rgba(255,255,255,.64);
    }

    .ht-footer-links a i {
      color: var(--ht-lime);
      font-size: 11px;
    }

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

    .ht-footer-links p {
      font-size: 13px;
      line-height: 1.8;
      color: rgba(255,255,255,.56);
      margin: 0;
    }

    .ht-footer-copyright {
      padding: 22px 0 26px;
      border-top: 1px solid rgba(255,255,255,.08);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      flex-wrap: wrap;
    }

    .ht-footer-copyright p {
      margin: 0;
      font-size: 13px;
      color: rgba(255,255,255,.48);
    }

    @media (max-width: 1100px) {
      .ht-page-hero h1 {
        font-size: 46px;
      }

      .ht-step-row {
        gap: 20px;
      }

      .ht-step-num {
        flex-basis: 70px;
        font-size: 48px;
      }
    }

    @media (max-width: 960px) {
      .ht-header-inner {
        min-height: 68px;
      }

      .ht-burger {
        display: inline-flex;
      }

      .ht-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 2px;
        padding: 0 24px;
        margin-left: 0;
        background: rgba(255,255,255,.98);
        border-bottom: 1px solid var(--ht-line);
        box-shadow: 0 22px 40px rgba(8,45,36,.1);
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        pointer-events: none;
        transition: max-height .28s var(--ht-ease), opacity .22s ease, padding .28s var(--ht-ease);
      }

      .ht-nav.ht-open {
        max-height: 300px;
        opacity: 1;
        pointer-events: auto;
        padding: 12px 24px 18px;
      }

      .ht-nav a {
        height: 48px;
        border-radius: 10px;
        padding: 0 10px;
      }

      .ht-nav a::after {
        left: 10px;
        right: auto;
        width: 34px;
      }

      .ht-header-cta {
        margin-left: auto;
      }

      .ht-page-hero {
        padding: 70px 0 70px;
      }

      .ht-hero-figure {
        margin-top: 36px;
      }

      .ht-guide-aside {
        position: static;
        margin-top: 42px;
      }

      .ht-step-num {
        flex-basis: 64px;
        font-size: 44px;
      }

      .ht-band {
        padding: 58px 0;
      }

      .ht-section {
        padding: 68px 0;
      }
    }

    @media (max-width: 767px) {
      .ht-container {
        padding: 0 20px;
      }

      .ht-brand-mark {
        width: 42px;
        height: 42px;
        font-size: 19px;
      }

      .ht-brand-text strong {
        font-size: 16px;
      }

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

      .ht-header-inner {
        gap: 12px;
      }

      .ht-header-cta {
        padding: 0 14px;
      }

      .ht-cta-label-long {
        display: none;
      }

      .ht-cta-label-short {
        display: inline;
      }

      .ht-page-hero h1 {
        font-size: 38px;
        line-height: 1.16;
      }

      .ht-hero-lead {
        font-size: 16px;
      }

      .ht-hero-actions {
        flex-direction: column;
        align-items: stretch;
      }

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

      .ht-crumb {
        margin-bottom: 26px;
      }

      .ht-quickbar {
        padding: 24px 20px 0;
      }

      .ht-quickbar-item {
        padding: 0;
      }

      .ht-section-head {
        margin-bottom: 32px;
      }

      .ht-section-head h2,
      .ht-band h2,
      .ht-cta-final h2 {
        font-size: 30px;
      }

      .ht-step-row {
        flex-direction: column;
        gap: 10px;
        padding: 26px 0 28px;
      }

      .ht-step-num {
        font-size: 40px;
        flex-basis: auto;
      }

      .ht-step-content {
        padding-top: 4px;
      }

      .ht-step-content h3 {
        font-size: 21px;
      }

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

      .ht-compare-grid .cell+.cell {
        margin-top: 20px;
      }

      .ht-compare-box {
        padding: 22px;
      }

      .ht-faq-item summary {
        padding: 18px 18px 18px 16px;
        font-size: 15px;
        line-height: 1.5;
      }

      .ht-faq-item summary::after {
        flex-shrink: 0;
      }

      .ht-faq-body {
        padding: 0 18px 20px;
        font-size: 14px;
      }

      .ht-cta-final {
        padding: 64px 0;
      }

      .ht-cta-final .ht-container {
        justify-content: flex-start;
      }

      .ht-cta-actions {
        width: 100%;
        flex-direction: column;
        align-items: stretch;
      }

      .ht-cta-actions .ht-btn {
        width: 100%;
      }

      .ht-footer {
        padding-top: 50px;
      }
    }

    @media (max-width: 520px) {
      .ht-header-cta .fa-arrow-right {
        display: none;
      }

      .ht-header-cta {
        height: 40px;
      }

      .ht-burger {
        width: 42px;
        height: 42px;
      }

      .ht-page-hero {
        padding: 56px 0 58px;
      }

      .ht-hero-meta li {
        padding: 5px 10px;
        font-size: 13px;
      }

      .ht-section {
        padding: 54px 0;
      }

      .ht-section-head h2 {
        font-size: 27px;
      }

      .ht-section-head p {
        font-size: 15px;
      }

      .ht-aside-card {
        padding: 20px;
      }

      .ht-footer-copyright {
        justify-content: center;
        text-align: center;
      }
    }

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

/* roulang page: article */
:root {
            --ht-green-900: #082D24;
            --ht-green-700: #104534;
            --ht-green-600: #256B4F;
            --ht-lime: #D8F34E;
            --ht-cream: #F7F4EE;
            --ht-white: #FFFFFF;
            --ht-ink: #1B2620;
            --ht-muted: #66746C;
            --ht-line: #E5E1D7;
            --ht-font: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --ht-radius: 12px;
            --ht-radius-sm: 8px;
            --ht-shadow: 0 2px 10px rgba(10, 45, 34, .05);
            --ht-shadow-hover: 0 24px 50px rgba(10, 45, 34, .12);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: var(--ht-font);
            color: var(--ht-ink);
            background: var(--ht-cream);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
        }
        a {
            color: var(--ht-green-600);
            text-decoration: none;
            transition: color .2s ease;
        }
        a:hover {
            color: var(--ht-green-900);
        }
        button,
        input,
        textarea {
            font-family: inherit;
        }
        p {
            margin: 0 0 1.25em;
        }
        h1,
        h2,
        h3,
        h4 {
            line-height: 1.25;
            color: var(--ht-ink);
            margin: 0 0 .5em;
        }

        .ht-container {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .ht-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            padding: 13px 22px;
            border-radius: var(--ht-radius-sm);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.2;
            border: 1px solid transparent;
            cursor: pointer;
            transition: background .22s ease, border-color .22s ease, color .22s ease, transform .22s ease, box-shadow .22s ease;
        }
        .ht-btn i {
            transition: transform .22s ease;
        }
        .ht-btn:hover i {
            transform: translateX(4px);
        }
        .ht-btn:focus-visible,
        a:focus-visible,
        button:focus-visible {
            outline: 4px solid rgba(216, 243, 78, .7);
            outline-offset: 3px;
        }
        .ht-btn-lime {
            background: var(--ht-lime);
            color: var(--ht-green-900) !important;
            box-shadow: 0 10px 26px rgba(216, 243, 78, .22);
        }
        .ht-btn-lime:hover {
            background: #c1e23d;
            color: var(--ht-green-900);
            transform: translateY(-2px);
        }
        .ht-btn-dark {
            background: var(--ht-green-900);
            color: #fff;
        }
        .ht-btn-dark:hover {
            background: var(--ht-green-600);
            color: #fff;
            transform: translateY(-2px);
        }
        .ht-btn-outline {
            background: transparent;
            border-color: rgba(255, 255, 255, .7);
            color: #fff;
        }
        .ht-btn-outline:hover {
            background: var(--ht-lime);
            border-color: var(--ht-lime);
            color: var(--ht-green-900);
        }

        .ht-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, .96);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(8, 45, 36, .10);
        }
        .ht-header-inner {
            position: relative;
            display: flex;
            align-items: center;
            gap: 18px;
            min-height: 76px;
        }
        .ht-brand {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            color: var(--ht-ink);
            text-decoration: none;
            flex-shrink: 0;
        }
        .ht-brand:hover {
            color: var(--ht-ink);
        }
        .ht-brand-mark {
            width: 44px;
            height: 44px;
            border-radius: 11px;
            background: var(--ht-green-900);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            line-height: 1;
            box-shadow: 0 8px 20px rgba(8, 45, 36, .18);
        }
        .ht-brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.18;
        }
        .ht-brand-text strong {
            font-size: 18px;
            letter-spacing: .02em;
            color: var(--ht-green-900);
        }
        .ht-brand-text small {
            font-size: 12px;
            color: var(--ht-muted);
            letter-spacing: .08em;
            margin-top: 3px;
        }

        .ht-nav {
            display: flex;
            align-items: center;
            gap: 34px;
            margin-left: 38px;
        }
        .ht-nav a {
            display: inline-block;
            position: relative;
            padding: 28px 0 22px;
            color: var(--ht-ink);
            font-size: 15px;
            font-weight: 500;
            text-decoration: none;
            white-space: nowrap;
            transition: color .2s ease;
        }
        .ht-nav a:after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 10px;
            width: 0;
            height: 4px;
            border-radius: 99px;
            background: var(--ht-lime);
            transition: width .2s ease;
        }
        .ht-nav a:hover {
            color: var(--ht-green-600);
        }
        .ht-nav a:hover:after {
            width: 100%;
        }
        .ht-nav a.is-active {
            color: var(--ht-green-900);
            font-weight: 700;
        }
        .ht-nav a.is-active:after {
            width: 100%;
        }

        .ht-header-cta {
            margin-left: auto;
            flex-shrink: 0;
            min-height: 44px;
        }
        .ht-cta-label-short {
            display: none;
        }
        .ht-burger {
            display: none;
            width: 44px;
            height: 44px;
            border: 1px solid var(--ht-line);
            border-radius: 9px;
            background: var(--ht-white);
            color: var(--ht-ink);
            font-size: 18px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: border-color .2s ease, background .2s ease;
            margin-left: 4px;
        }
        .ht-burger:hover {
            border-color: var(--ht-green-600);
            background: var(--ht-cream);
        }

        .ht-page-hero {
            background: linear-gradient(180deg, rgba(247, 244, 238, .9), rgba(247, 244, 238, .3));
            border-bottom: 1px solid var(--ht-line);
            padding: 44px 0 40px;
        }
        .ht-breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 20px;
            font-size: 13px;
            color: var(--ht-muted);
            letter-spacing: .02em;
        }
        .ht-breadcrumb a {
            color: var(--ht-green-600);
            text-decoration: none;
            transition: color .2s ease;
        }
        .ht-breadcrumb a:hover {
            color: var(--ht-green-900);
        }
        .ht-breadcrumb i {
            font-size: 10px;
            color: var(--ht-muted);
            opacity: .7;
        }
        .ht-breadcrumb-current {
            color: var(--ht-green-900);
            font-weight: 600;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            max-width: 240px;
        }
        .ht-article-page-title {
            font-size: 52px;
            line-height: 1.18;
            font-weight: 800;
            letter-spacing: -.02em;
            color: var(--ht-green-900);
            margin: 0 0 14px;
            max-width: 1000px;
        }
        .ht-article-intro {
            font-size: 17px;
            color: var(--ht-muted);
            max-width: 820px;
            margin-bottom: 0;
        }

        .ht-article-layout {
            padding: 48px 0 100px;
        }
        .ht-article-layout .grid-margin-x {
            margin-left: -10px;
            margin-right: -10px;
        }
        .ht-article-layout .grid-margin-x > .cell {
            margin-left: 10px;
            margin-right: 10px;
        }

        .ht-article-main {
            background: var(--ht-white);
            border: 1px solid var(--ht-line);
            border-radius: var(--ht-radius);
            box-shadow: var(--ht-shadow);
            padding: 44px;
            overflow: hidden;
            margin-bottom: 30px;
        }

        .ht-article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px 22px;
            padding-bottom: 20px;
            margin-bottom: 26px;
            border-bottom: 1px solid var(--ht-line);
            color: var(--ht-muted);
            font-size: 14px;
        }
        .ht-article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }
        .ht-article-meta i {
            color: var(--ht-green-600);
            font-size: 13px;
        }

        .ht-article-body {
            color: var(--ht-ink);
            font-size: 17px;
            line-height: 1.9;
        }
        .ht-article-body > *:first-child {
            margin-top: 0 !important;
        }
        .ht-article-body h2 {
            font-size: 30px;
            line-height: 1.35;
            color: var(--ht-green-900);
            margin: 60px 0 20px;
            padding-left: 18px;
            border-left: 5px solid var(--ht-lime);
        }
        .ht-article-body h3 {
            font-size: 22px;
            color: var(--ht-green-700);
            margin: 42px 0 14px;
        }
        .ht-article-body p {
            margin: 0 0 1.45em;
        }
        .ht-article-body a {
            color: var(--ht-green-600);
            text-decoration: underline;
            text-underline-offset: 4px;
        }
        .ht-article-body a:hover {
            color: var(--ht-green-900);
        }
        .ht-article-body ul,
        .ht-article-body ol {
            padding-left: 1.5em;
            margin-bottom: 1.6em;
        }
        .ht-article-body li {
            margin-bottom: .55em;
            padding-left: .2em;
        }
        .ht-article-body img {
            display: block;
            width: 100%;
            height: auto;
            border-radius: 14px;
            border: 1px solid var(--ht-line);
            box-shadow: var(--ht-shadow);
            margin: 38px 0;
        }
        .ht-article-body blockquote {
            margin: 34px 0;
            padding: 22px 28px;
            background: rgba(37, 107, 79, .06);
            border-left: 6px solid var(--ht-green-600);
            border-radius: 0 10px 10px 0;
            color: var(--ht-green-700);
            font-size: 18px;
        }
        .ht-article-body pre {
            background: #EFF2ED;
            border: 1px solid var(--ht-line);
            border-radius: 10px;
            padding: 20px 22px;
            overflow-x: auto;
            line-height: 1.7;
            margin: 28px 0;
        }
        .ht-article-body code {
            background: #EFF2ED;
            border-radius: 5px;
            padding: 2px 7px;
            font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
            font-size: .92em;
        }
        .ht-article-body pre code {
            background: transparent;
            padding: 0;
        }
        .ht-article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 36px 0;
            font-size: 15px;
        }
        .ht-article-body th,
        .ht-article-body td {
            border: 1px solid var(--ht-line);
            padding: 14px 16px;
            text-align: left;
            vertical-align: top;
        }
        .ht-article-body th {
            background: var(--ht-cream);
            font-weight: 600;
            color: var(--ht-green-900);
        }

        .ht-empty {
            padding: 48px 20px;
            text-align: center;
        }
        .ht-empty h2 {
            font-size: 30px;
            color: var(--ht-green-900);
            margin-bottom: 12px;
        }
        .ht-empty p {
            color: var(--ht-muted);
            margin-bottom: 28px;
        }

        .ht-article-footer-nav {
            background: var(--ht-green-900);
            border-radius: var(--ht-radius);
            padding: 36px;
            color: rgba(255, 255, 255, .85);
            margin: 30px 0 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 24px;
        }
        .ht-article-footer-nav h2 {
            color: #fff;
            font-size: 24px;
            margin: 0 0 6px;
        }
        .ht-article-footer-nav p {
            margin: 0;
            color: rgba(255, 255, 255, .62);
            font-size: 15px;
        }
        .ht-article-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .ht-article-side {
            position: sticky;
            top: 104px;
        }
        .ht-side-card {
            background: var(--ht-white);
            border: 1px solid var(--ht-line);
            border-radius: var(--ht-radius);
            box-shadow: var(--ht-shadow);
            overflow: hidden;
            margin-bottom: 24px;
        }
        .ht-side-card-img {
            width: 100%;
            height: 168px;
            object-fit: cover;
            display: block;
            border-bottom: 1px solid var(--ht-line);
        }
        .ht-side-card-body {
            padding: 24px;
        }
        .ht-side-card h2 {
            font-size: 19px;
            color: var(--ht-green-900);
            margin: 0 0 8px;
        }
        .ht-side-card p {
            margin: 0 0 14px;
            color: var(--ht-muted);
            font-size: 14px;
            line-height: 1.7;
        }
        .ht-side-card-link {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            color: var(--ht-green-600);
            font-weight: 600;
            font-size: 14px;
        }
        .ht-side-card-link i {
            transition: transform .2s ease;
        }
        .ht-side-card-link:hover i {
            transform: translateX(4px);
        }

        .ht-toc-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .ht-toc-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 11px 0;
            border-bottom: 1px solid var(--ht-line);
        }
        .ht-toc-list li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        .ht-toc-index {
            font-size: 12px;
            font-weight: 700;
            color: var(--ht-green-600);
            letter-spacing: .05em;
            line-height: 1.6;
        }
        .ht-toc-list a {
            color: var(--ht-ink);
            font-size: 14px;
            line-height: 1.55;
            flex: 1;
            padding-top: 2px;
        }
        .ht-toc-list a:hover {
            color: var(--ht-green-600);
        }
        .ht-toc-empty {
            color: var(--ht-muted);
            font-size: 14px;
            margin: 6px 0 0;
        }

        .ht-side-return {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 20px;
            background: var(--ht-cream);
            color: var(--ht-green-900);
            border: 1px solid var(--ht-line);
            border-radius: var(--ht-radius-sm);
            font-size: 14px;
            font-weight: 600;
            transition: border-color .2s ease, background .2s ease;
        }
        .ht-side-return:hover {
            border-color: var(--ht-green-600);
            background: #EFE9DC;
            color: var(--ht-green-900);
        }

        .ht-footer {
            background: var(--ht-green-900);
            color: rgba(255, 255, 255, .72);
            padding: 72px 0 30px;
            margin-top: 30px;
        }
        .ht-footer-main {
            row-gap: 36px;
        }
        .ht-footer h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: .03em;
            margin-bottom: 18px;
        }
        .ht-footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
        }
        .ht-footer-brand > span:last-child {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }
        .ht-footer-brand > span strong {
            color: #fff;
            font-size: 19px;
        }
        .ht-footer-brand > span small {
            color: rgba(255, 255, 255, .55);
            font-size: 12px;
            letter-spacing: .08em;
            margin-top: 4px;
        }
        .ht-footer-desc {
            color: rgba(255, 255, 255, .58);
            font-size: 14px;
            line-height: 1.8;
            max-width: 360px;
            margin-bottom: 0;
        }
        .ht-footer-links {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 4px;
        }
        .ht-footer-links a {
            color: rgba(255, 255, 255, .68);
            font-size: 14px;
            line-height: 1.6;
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 4px 0;
        }
        .ht-footer-links a:hover {
            color: var(--ht-lime);
        }
        .ht-footer-links a i {
            font-size: 10px;
        }
        .ht-footer-copyright {
            border-top: 1px solid rgba(255, 255, 255, .10);
            margin-top: 44px;
            padding-top: 24px;
        }
        .ht-footer-copyright p {
            margin: 0;
            font-size: 13px;
            color: rgba(255, 255, 255, .45);
            text-align: center;
        }

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

        @media (max-width: 1023.98px) {
            .ht-header-inner {
                min-height: 66px;
            }
            .ht-burger {
                display: inline-flex;
            }
            .ht-brand-text small {
                display: none;
            }
            .ht-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                margin: 0;
                padding: 8px 24px 18px;
                border-bottom: 1px solid var(--ht-line);
                box-shadow: 0 20px 36px rgba(8, 45, 36, .12);
            }
            .ht-nav.is-open {
                display: flex;
            }
            .ht-nav a {
                padding: 14px 0;
                border-bottom: 1px solid rgba(229, 225, 215, .8);
                border-radius: 0;
            }
            .ht-nav a:last-child {
                border-bottom: none;
            }
            .ht-nav a:after {
                position: static;
                width: 26px;
                height: 4px;
                margin-top: 4px;
            }
            .ht-header-cta {
                margin-left: auto;
                padding-left: 16px;
                padding-right: 16px;
            }
            .ht-article-page-title {
                font-size: 38px;
            }
            .ht-article-layout {
                padding: 32px 0 70px;
            }
            .ht-article-main {
                padding: 32px 26px;
            }
            .ht-article-side {
                position: static;
                margin-top: 24px;
            }
        }

        @media (max-width: 639.98px) {
            .ht-container {
                padding-left: 18px;
                padding-right: 18px;
            }
            .ht-header-inner {
                gap: 10px;
            }
            .ht-brand-mark {
                width: 38px;
                height: 38px;
                font-size: 18px;
                border-radius: 9px;
            }
            .ht-brand-text strong {
                font-size: 16px;
            }
            .ht-cta-label-long {
                display: none;
            }
            .ht-cta-label-short {
                display: inline;
            }
            .ht-header-cta {
                padding: 9px 14px;
                font-size: 14px;
                min-height: 38px;
            }
            .ht-burger {
                width: 38px;
                height: 38px;
                font-size: 15px;
            }
            .ht-page-hero {
                padding: 32px 0 28px;
            }
            .ht-article-page-title {
                font-size: 32px;
            }
            .ht-article-intro {
                font-size: 16px;
            }
            .ht-article-main {
                padding: 26px 20px;
            }
            .ht-article-body {
                font-size: 16px;
            }
            .ht-article-body h2 {
                font-size: 25px;
                padding-left: 13px;
            }
            .ht-article-body h3 {
                font-size: 20px;
            }
            .ht-article-footer-nav {
                padding: 26px 22px;
            }
            .ht-article-actions {
                width: 100%;
                flex-direction: column;
            }
            .ht-article-actions .ht-btn {
                width: 100%;
            }
            .ht-footer {
                padding-top: 52px;
            }
            .ht-footer h4 {
                margin-bottom: 12px;
            }
        }

/* roulang page: category2 */
:root{
    --ht-green-900:#082D24;
    --ht-green-700:#104534;
    --ht-green-600:#256B4F;
    --ht-lime:#D8F34E;
    --ht-cream:#F7F4EE;
    --ht-white:#FFFFFF;
    --ht-ink:#1B2620;
    --ht-muted:#66746C;
    --ht-line:#E5E1D7;
    --ht-radius-card:12px;
    --ht-radius-btn:8px;
    --ht-radius-pill:999px;
    --ht-shadow-card:0 2px 10px rgba(10,45,34,.05);
    --ht-shadow-hover:0 24px 50px rgba(10,45,34,.12);
    --ht-transition:all .25s cubic-bezier(0.3, 0, 0.2, 1);
    --ht-font-sans:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  }
  *{margin:0;padding:0;box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    font-family:var(--ht-font-sans);
    background:var(--ht-cream);
    color:var(--ht-ink);
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
    -moz-osx-font-smoothing:grayscale;
  }
  img{max-width:100%;height:auto;display:block;}
  a{color:inherit;text-decoration:none;}
  a:focus-visible,button:focus-visible{
    outline:3px solid var(--ht-lime);
    outline-offset:2px;
    border-radius:4px;
  }
  .ht-container{
    max-width:1280px;
    margin-left:auto;
    margin-right:auto;
    padding-left:24px;
    padding-right:24px;
    width:100%;
  }
  .ht-hidden-short{display:none;}
  @media screen and (max-width:640px){
    .ht-container{padding-left:18px;padding-right:18px;}
    .ht-hidden-short{display:inline-block;}
    .ht-cta-label-long{display:none;}
  }
  @media screen and (min-width:641px){
    .ht-cta-label-short{display:none;}
  }

  /* header */
  .ht-header{
    background:var(--ht-white);
    border-bottom:1px solid var(--ht-line);
    position:sticky;
    top:0;
    z-index:50;
    box-shadow:0 1px 0 rgba(255,255,255,.6);
  }
  .ht-header-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    min-height:72px;
    gap:24px;
    flex-wrap:wrap;
  }
  .ht-brand{
    display:flex;
    align-items:center;
    gap:10px;
    flex-shrink:0;
  }
  .ht-brand-mark{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:42px;
    height:42px;
    background:var(--ht-green-900);
    border-radius:10px;
    color:var(--ht-lime);
    font-size:20px;
    font-weight:700;
    flex-shrink:0;
  }
  .ht-brand-text{
    display:flex;
    flex-direction:column;
    line-height:1.1;
  }
  .ht-brand-text strong{
    font-size:17px;
    font-weight:700;
    color:var(--ht-ink);
    letter-spacing:.01em;
  }
  .ht-brand-text small{
    font-size:11px;
    font-weight:400;
    color:var(--ht-muted);
    letter-spacing:.08em;
    margin-top:3px;
  }
  .ht-nav{
    display:flex;
    align-items:center;
    gap:32px;
  }
  .ht-nav a{
    font-size:15px;
    font-weight:500;
    color:var(--ht-muted);
    position:relative;
    padding:8px 0;
    transition:color .2s;
    white-space:nowrap;
  }
  .ht-nav a::after{
    content:"";
    position:absolute;
    left:0;
    bottom:0;
    width:100%;
    height:2px;
    background:var(--ht-lime);
    transform:scaleX(0);
    transform-origin:left;
    transition:transform .25s ease;
    border-radius:2px;
  }
  .ht-nav a:hover{
    color:var(--ht-green-700);
  }
  .ht-nav a:hover::after{
    transform:scaleX(1);
  }
  .ht-nav a.is-active{
    color:var(--ht-green-900);
    font-weight:600;
  }
  .ht-nav a.is-active::after{
    transform:scaleX(1);
  }
  .ht-btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    border-radius:var(--ht-radius-btn);
    padding:13px 24px;
    font-size:15px;
    font-weight:600;
    line-height:1.2;
    cursor:pointer;
    border:1px solid transparent;
    transition:var(--ht-transition);
    text-decoration:none;
  }
  .ht-btn-lime{
    background:var(--ht-lime);
    color:var(--ht-green-900);
    border-color:var(--ht-lime);
  }
  .ht-btn-lime i{
    transition:transform .25s ease;
    font-size:13px;
  }
  .ht-btn-lime:hover{
    background:var(--ht-green-900);
    border-color:var(--ht-green-900);
    color:var(--ht-white);
    transform:translateY(-2px);
    box-shadow:0 12px 24px rgba(8,45,36,.18);
  }
  .ht-btn-lime:hover i{
    transform:translateX(4px);
  }
  .ht-btn-lime:active{
    transform:translateY(0);
    box-shadow:none;
  }
  .ht-btn-green{
    background:var(--ht-green-700);
    color:var(--ht-white);
  }
  .ht-btn-green:hover{
    background:var(--ht-green-900);
    transform:translateY(-2px);
    box-shadow:0 12px 28px rgba(8,45,36,.15);
  }
  .ht-btn-outline{
    background:transparent;
    color:var(--ht-white);
    border-color:rgba(255,255,255,.6);
  }
  .ht-btn-outline:hover{
    background:var(--ht-white);
    color:var(--ht-green-900);
    transform:translateY(-2px);
  }
  .ht-header-cta{
    flex-shrink:0;
    min-width:146px;
    padding:10px 18px;
  }
  .ht-header-cta i{
    font-size:12px;
  }
  .ht-burger{
    display:none;
    background:none;
    border:none;
    font-size:22px;
    color:var(--ht-ink);
    cursor:pointer;
    padding:8px;
    border-radius:8px;
    line-height:1;
  }
  .ht-burger:hover{
    color:var(--ht-green-700);
  }
  @media screen and (max-width:900px){
    .ht-nav{
      display:none;
    }
    .ht-header-cta{
      margin-left:auto;
      min-width:auto;
      padding:8px 14px;
      font-size:14px;
    }
    .ht-burger{
      display:inline-flex;
      align-items:center;
      justify-content:center;
    }
    .ht-nav.is-open{
      display:flex;
      flex-direction:column;
      align-items:stretch;
      flex-basis:100%;
      gap:0;
      background:var(--ht-white);
      border-top:1px solid var(--ht-line);
      padding:8px 0 16px;
    }
    .ht-nav.is-open a{
      padding:14px 4px;
      border-bottom:1px solid #f0ede4;
      white-space:normal;
    }
    .ht-nav.is-open a::after{
      display:none;
    }
    .ht-nav.is-open a.is-active{
      color:var(--ht-green-700);
      background:linear-gradient(transparent 70%, rgba(216,243,78,.22) 70%);
    }
  }
  @media screen and (max-width:640px){
    .ht-brand-text small{display:none;}
    .ht-brand-text strong{font-size:15px;}
    .ht-header-inner{gap:12px;min-height:62px;}
    .ht-header-cta{font-size:13px;padding:8px 12px;}
    .ht-btn-lime i{display:none;}
  }

  /* page hero */
  .ht-page-hero{
    background-color:var(--ht-green-900);
    background-image:linear-gradient(rgba(8,45,36,.78), rgba(8,45,36,.88)), url(/assets/images/backpic/back-3.webp);
    background-size:cover;
    background-position:center;
    color:var(--ht-white);
    padding:72px 0 64px;
    margin-top:0;
    position:relative;
    overflow:hidden;
  }
  .ht-page-hero::after{
    content:"";
    position:absolute;
    width:420px;
    height:420px;
    border:1px solid rgba(216,243,78,.16);
    border-radius:50%;
    right:-120px;
    top:-160px;
    pointer-events:none;
  }
  .ht-page-hero .ht-eyebrow{
    font-size:13px;
    letter-spacing:.16em;
    text-transform:uppercase;
    color:var(--ht-lime);
    font-weight:600;
    margin-bottom:16px;
  }
  .ht-page-hero h1{
    font-size:44px;
    line-height:1.2;
    font-weight:700;
    max-width:880px;
    letter-spacing:-.02em;
    margin-bottom:16px;
  }
  .ht-page-hero h1 span{
    color:var(--ht-lime);
  }
  .ht-hero-sub{
    font-size:17px;
    line-height:1.8;
    max-width:660px;
    opacity:.86;
    margin-bottom:28px;
  }
  .ht-hero-meta{
    display:flex;
    flex-wrap:wrap;
    gap:10px 24px;
    font-size:14px;
    color:rgba(255,255,255,.72);
  }
  .ht-hero-meta i{
    color:var(--ht-lime);
    margin-right:6px;
  }
  @media screen and (max-width:900px){
    .ht-page-hero{padding:48px 0 48px;}
    .ht-page-hero h1{font-size:34px;}
    .ht-hero-sub{font-size:16px;}
  }
  @media screen and (max-width:640px){
    .ht-page-hero h1{font-size:28px;}
    .ht-page-hero{padding:36px 0 36px;}
    .ht-hero-sub{font-size:15px;}
  }

  /* breadcrumb */
  .ht-breadcrumb{
    padding:18px 0;
    font-size:13px;
    color:var(--ht-muted);
    border-bottom:1px solid var(--ht-line);
    background:var(--ht-white);
  }
  .ht-breadcrumb a{
    color:var(--ht-green-600);
    margin-right:4px;
    transition:color .2s;
  }
  .ht-breadcrumb a:hover{color:var(--ht-green-900);}
  .ht-breadcrumb i{
    font-size:10px;
    margin:0 4px;
    opacity:.6;
  }
  .ht-breadcrumb strong{
    font-weight:600;
    color:var(--ht-ink);
  }

  /* section generic */
  .ht-section{
    padding:90px 0;
  }
  .ht-section-sm{
    padding:64px 0;
  }
  .ht-section-head{
    max-width:760px;
    margin-bottom:48px;
  }
  .ht-eyebrow{
    font-size:12px;
    letter-spacing:.16em;
    text-transform:uppercase;
    color:var(--ht-green-600);
    font-weight:700;
    margin-bottom:12px;
  }
  .ht-section-head h2{
    font-size:38px;
    line-height:1.25;
    font-weight:700;
    color:var(--ht-ink);
    letter-spacing:-.03em;
  }
  .ht-section-head p{
    font-size:17px;
    color:var(--ht-muted);
    margin-top:14px;
    line-height:1.8;
  }
  @media screen and (max-width:640px){
    .ht-section{padding:56px 0;}
    .ht-section-sm{padding:40px 0;}
    .ht-section-head h2{font-size:27px;}
    .ht-section-head{margin-bottom:28px;}
  }

  /* analysis cards - primary layout */
  .ht-issue-card{
    background:var(--ht-white);
    border:1px solid var(--ht-line);
    border-radius:var(--ht-radius-card);
    box-shadow:var(--ht-shadow-card);
    margin-bottom:24px;
    transition:var(--ht-transition);
    padding:0;
    overflow:hidden;
  }
  .ht-issue-card:hover{
    border-color:var(--ht-green-600);
    box-shadow:var(--ht-shadow-hover);
    transform:translateY(-4px);
  }
  .ht-issue-grid{
    display:grid;
    grid-template-columns:280px 1fr;
    min-height:100%;
  }
  .ht-issue-scene{
    background:var(--ht-cream);
    padding:32px 28px;
    border-right:1px solid var(--ht-line);
    display:flex;
    flex-direction:column;
    justify-content:flex-start;
  }
  .ht-issue-tag{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:fit-content;
    padding:5px 14px;
    border-radius:var(--ht-radius-pill);
    background:rgba(216,243,78,.26);
    color:var(--ht-green-900);
    font-size:12px;
    font-weight:700;
    margin-bottom:16px;
    letter-spacing:.04em;
  }
  .ht-issue-scene h3{
    font-size:20px;
    line-height:1.45;
    font-weight:700;
    color:var(--ht-green-900);
  }
  .ht-issue-scene .ht-symptom-mark{
    font-size:38px;
    font-weight:800;
    color:var(--ht-green-600);
    line-height:1;
    margin-bottom:14px;
    opacity:.65;
    font-family:Georgia,serif;
  }
  .ht-issue-details{
    padding:32px 32px;
    display:grid;
    grid-template-columns:1fr 1.2fr 1.4fr;
    gap:0;
  }
  .ht-detail-block{
    padding:0 22px;
    border-right:1px solid var(--ht-line);
  }
  .ht-detail-block:first-child{padding-left:0;}
  .ht-detail-block:last-child{
    padding-right:0;
    border-right:none;
  }
  .ht-detail-icon{
    width:34px;
    height:34px;
    border-radius:8px;
    background:rgba(8,45,36,.07);
    display:flex;
    align-items:center;
    justify-content:center;
    color:var(--ht-green-700);
    font-size:14px;
    margin-bottom:10px;
  }
  .ht-detail-block h4{
    font-size:13px;
    font-weight:700;
    color:var(--ht-muted);
    text-transform:uppercase;
    letter-spacing:.07em;
    margin-bottom:8px;
  }
  .ht-detail-block p{
    font-size:14px;
    line-height:1.75;
    color:var(--ht-ink);
  }
  @media screen and (max-width:1100px){
    .ht-issue-details{
      grid-template-columns:1fr;
      gap:18px;
    }
    .ht-detail-block{
      padding:0 0 10px;
      border-right:none;
      border-bottom:1px solid var(--ht-line);
      padding-bottom:16px;
    }
    .ht-detail-block:last-child{
      border-bottom:none;
      padding-bottom:0;
    }
  }
  @media screen and (max-width:760px){
    .ht-issue-grid{
      grid-template-columns:1fr;
    }
    .ht-issue-scene{
      border-right:none;
      border-bottom:1px solid var(--ht-line);
      padding:24px 24px;
    }
    .ht-issue-details{
      padding:22px 24px;
    }
    .ht-issue-card:hover{
      transform:translateY(0);
    }
  }

  /* flow index card for secondary line */
  .ht-flow-line{
    background:var(--ht-green-900);
    color:var(--ht-white);
    border-radius:var(--ht-radius-card);
    padding:40px 48px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:32px;
    flex-wrap:wrap;
    margin-top:48px;
  }
  .ht-flow-line h3{
    font-size:26px;
    font-weight:700;
    margin-bottom:6px;
  }
  .ht-flow-line p{
    color:rgba(255,255,255,.74);
    font-size:16px;
  }
  @media screen and (max-width:768px){
    .ht-flow-line{
      flex-direction:column;
      align-items:flex-start;
      padding:28px 24px;
    }
  }

  /* scenario cards - apply scope */
  .ht-scenario-grid{
    display:flex;
    flex-wrap:wrap;
    margin-left:-10px;
    margin-right:-10px;
    gap:0;
  }
  .ht-scenario-grid .ht-scenario-col{
    width:calc(33.3333% - 20px);
    margin:0 10px 20px;
  }
  .ht-scenario-card{
    background:var(--ht-white);
    border:1px solid var(--ht-line);
    border-radius:var(--ht-radius-card);
    padding:30px 28px;
    height:100%;
    box-shadow:var(--ht-shadow-card);
    transition:var(--ht-transition);
  }
  .ht-scenario-card:hover{
    border-color:var(--ht-green-600);
    transform:translateY(-4px);
    box-shadow:var(--ht-shadow-hover);
  }
  .ht-scenario-icon{
    width:48px;
    height:48px;
    border-radius:12px;
    background:rgba(216,243,78,.3);
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:20px;
    color:var(--ht-green-900);
    margin-bottom:20px;
  }
  .ht-scenario-card h3{
    font-size:20px;
    font-weight:700;
    color:var(--ht-green-900);
    margin-bottom:10px;
    line-height:1.5;
  }
  .ht-scenario-card p{
    font-size:15px;
    color:var(--ht-muted);
    line-height:1.75;
    margin-bottom:16px;
  }
  .ht-scenario-link{
    font-size:14px;
    font-weight:600;
    color:var(--ht-green-600);
    display:inline-flex;
    align-items:center;
    gap:6px;
  }
  .ht-scenario-link i{
    font-size:12px;
    transition:transform .2s ease;
  }
  .ht-scenario-link:hover{
    color:var(--ht-green-900);
  }
  .ht-scenario-link:hover i{
    transform:translateX(4px);
  }
  @media screen and (max-width:1024px){
    .ht-scenario-grid .ht-scenario-col{width:calc(50% - 20px);}
  }
  @media screen and (max-width:640px){
    .ht-scenario-grid .ht-scenario-col{width:100%;margin-left:0;margin-right:0;}
    .ht-scenario-card{padding:24px;}
  }

  /* check links panel */
  .ht-check-panel{
    background:var(--ht-white);
    border:1px solid var(--ht-line);
    border-radius:var(--ht-radius-card);
    box-shadow:var(--ht-shadow-card);
    padding:40px;
    margin-top:48px;
    display:flex;
    flex-wrap:wrap;
    justify-content:space-between;
    gap:28px;
    align-items:center;
  }
  .ht-check-panel .ht-check-info h3{
    font-size:24px;
    font-weight:700;
    color:var(--ht-green-900);
    margin-bottom:6px;
  }
  .ht-check-panel .ht-check-info p{
    font-size:15px;
    color:var(--ht-muted);
    max-width:500px;
  }
  .ht-check-links{
    display:flex;
    gap:14px;
    flex-wrap:wrap;
  }
  .ht-check-links .ht-btn{
    min-width:130px;
  }
  @media screen and (max-width:768px){
    .ht-check-panel{padding:28px 24px;}
    .ht-check-links .ht-btn{width:100%;text-align:center;}
  }

  /* FAQ section */
  .ht-faq-wrap{
    max-width:860px;
    margin:0 auto;
  }
  .ht-faq-items{
    margin-top:20px;
  }
  .ht-faq-item{
    background:var(--ht-white);
    border:1px solid var(--ht-line);
    border-radius:14px;
    margin-bottom:14px;
    transition:var(--ht-transition);
    overflow:hidden;
  }
  .ht-faq-item:hover{
    border-color:var(--ht-green-600);
  }
  .ht-faq-summary{
    padding:20px 28px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
    cursor:pointer;
    font-weight:600;
    font-size:17px;
    color:var(--ht-ink);
    user-select:none;
    list-style:none;
    transition:color .2s;
  }
  .ht-faq-summary::-webkit-details-marker{
    display:none;
  }
  .ht-faq-summary::marker{
    content:"";
  }
  .ht-faq-summary:hover{
    color:var(--ht-green-700);
  }
  .ht-faq-item[open] .ht-faq-summary{
    color:var(--ht-green-700);
  }
  .ht-faq-icon{
    width:26px;
    height:26px;
    border-radius:50%;
    border:2px solid var(--ht-line);
    flex-shrink:0;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:12px;
    transition:var(--ht-transition);
  }
  .ht-faq-summary:hover .ht-faq-icon{
    border-color:var(--ht-green-600);
    color:var(--ht-green-700);
  }
  .ht-faq-item[open] .ht-faq-icon{
    transform:rotate(45deg);
    background:var(--ht-lime);
    border-color:var(--ht-lime);
    color:var(--ht-green-900);
  }
  .ht-faq-content{
    padding:0 28px 24px;
    color:var(--ht-muted);
    font-size:15px;
    line-height:1.8;
    border-top:1px solid #f1ece0;
    margin-top:-8px;
    padding-top:16px;
  }
  .ht-faq-item[open] .ht-faq-content{
    margin-top:0;
    padding-top:16px;
  }
  @media screen and (max-width:600px){
    .ht-faq-summary{padding:16px 18px;font-size:16px;}
    .ht-faq-content{padding:0 18px 18px;}
  }

  /* goto use guide cta band */
  .ht-guide-cta{
    background:var(--ht-green-700);
    background-image:linear-gradient(135deg, rgba(16,69,52,.92) 0%, rgba(8,45,36,.96) 100%), url(/assets/images/backpic/back-2.webp);
    background-size:cover;
    background-position:center;
    border-radius:20px;
    padding:48px 56px;
    color:var(--ht-white);
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:32px;
    flex-wrap:wrap;
    margin-top:32px;
  }
  .ht-guide-cta h3{
    font-size:28px;
    font-weight:700;
    color:var(--ht-white);
    line-height:1.4;
  }
  .ht-guide-cta p{
    font-size:15px;
    color:rgba(255,255,255,.76);
    max-width:520px;
    line-height:1.7;
  }
  @media screen and (max-width:768px){
    .ht-guide-cta{
      padding:30px 24px;
      border-radius:14px;
    }
    .ht-guide-cta h3{font-size:23px;}
  }

  /* big CTA bottom */
  .ht-bottom-cta{
    background-color:var(--ht-green-900);
    background-image:linear-gradient(rgba(8,45,36,.82),rgba(8,45,36,.94)), url(/assets/images/backpic/back-1.png);
    background-size:cover;
    background-position:center;
    padding:80px 0;
    color:var(--ht-white);
    text-align:center;
  }
  .ht-bottom-cta-inner{
    max-width:640px;
    margin:0 auto;
  }
  .ht-bottom-cta h2{
    font-size:38px;
    font-weight:700;
    line-height:1.3;
    margin-bottom:16px;
  }
  .ht-bottom-cta p{
    font-size:17px;
    line-height:1.75;
    color:rgba(255,255,255,.72);
    margin-bottom:32px;
  }
  .ht-bottom-cta .ht-btn{
    margin:0 8px 8px;
    min-width:140px;
  }
  @media screen and (max-width:640px){
    .ht-bottom-cta{padding:48px 0;}
    .ht-bottom-cta h2{font-size:26px;}
    .ht-bottom-cta .ht-btn{width:100%;margin:8px 0;}
  }

  /* footer */
  .ht-footer{
    background:var(--ht-green-900);
    color:rgba(255,255,255,.84);
    font-size:15px;
    line-height:1.8;
    padding-top:58px;
  }
  .ht-footer-main{
    padding-bottom:36px;
    border-bottom:1px solid rgba(255,255,255,.1);
  }
  .ht-footer-brand{
    display:flex;
    align-items:center;
    gap:12px;
    margin-bottom:16px;
  }
  .ht-footer-brand .ht-brand-mark{
    background:rgba(255,255,255,.95);
    color:var(--ht-green-900);
  }
  .ht-footer-brand strong{
    display:block;
    color:var(--ht-white);
    font-size:16px;
  }
  .ht-footer-brand small{
    color:var(--ht-lime);
    font-weight:500;
    font-size:13px;
  }
  .ht-footer-desc{
    font-size:14px;
    color:rgba(255,255,255,.62);
    max-width:320px;
    margin-top:10px;
    line-height:1.85;
  }
  .ht-footer h4{
    font-size:14px;
    color:var(--ht-white);
    font-weight:700;
    margin-bottom:12px;
    letter-spacing:.02em;
  }
  .ht-footer-links{
    display:flex;
    flex-direction:column;
    gap:6px;
  }
  .ht-footer-links a{
    font-size:14px;
    color:rgba(255,255,255,.62);
    display:inline-flex;
    align-items:center;
    gap:6px;
    transition:color .2s ease;
    padding:2px 0;
    width:fit-content;
  }
  .ht-footer-links a:hover{
    color:var(--ht-lime);
  }
  .ht-footer-links a i{
    font-size:10px;
    color:var(--ht-green-600);
    transition:transform .2s ease;
  }
  .ht-footer-links a:hover i{
    transform:translateX(3px);
    color:var(--ht-lime);
  }
  .ht-footer-copyright{
    padding:26px 0 28px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    flex-wrap:wrap;
    gap:8px;
    border-top:1px solid rgba(255,255,255,.08);
    color:rgba(255,255,255,.55);
    font-size:13px;
  }
  .ht-footer-copyright p{
    margin:0;
  }
  @media screen and (max-width:900px){
    .ht-footer{padding-top:40px;}
  }
  @media screen and (max-width:640px){
    .ht-footer-copyright{flex-direction:column;text-align:center;gap:4px;}
  }

  /* support list */
  .ht-support-items{
    list-style:none;
    padding:0;
    margin:0;
  }
  .ht-support-items li{
    padding:8px 0;
    display:flex;
    align-items:flex-start;
    gap:14px;
    font-size:15px;
  }
  .ht-support-items i{
    color:var(--ht-green-600);
    font-size:14px;
    margin-top:5px;
    flex-shrink:0;
  }

  .ht-view-more{
    text-align:center;
    margin-top:32px;
  }
  @media (prefers-reduced-motion: reduce){
    *, *::before, *::after{
      animation-duration:.001ms !important;
      transition-duration:.001ms !important;
      scroll-behavior:auto !important;
    }
  }