/* roulang page: index */
:root {
  --color-primary: #0A3A2E;
  --color-primary-light: #0E4D3C;
  --color-primary-lighter: #1A6B50;
  --color-gold: #C8A96A;
  --color-gold-light: #E4C78C;
  --color-gold-pale: #F3E5C9;
  --color-bg: #FAF7F2;
  --color-bg-alt: #F2EEE7;
  --color-text: #1E2421;
  --color-text-muted: #5C655F;
  --color-border: #E3DCCE;
  --color-white: #FFFFFF;
  --color-footer-text: #9AA89F;
  --shadow-sm: 0 8px 30px rgba(10, 58, 46, 0.10);
  --shadow-md: 0 16px 40px rgba(10, 58, 46, 0.16);
  --shadow-gold: 0 8px 24px rgba(200, 169, 106, 0.30);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --radius-pill: 999px;
  --font-main: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  --transition: all 0.3s ease;
  --container-w: 1200px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: var(--color-primary-light);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--color-gold);
}

ul,
ol {
  list-style: none;
}

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

input {
  font-family: inherit;
  font-size: 14px;
}

.container {
  width: 100%;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
}

.section--tinted {
  background: var(--color-bg-alt);
}

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}

.section-kicker {
  display: inline-block;
  padding: 6px 18px;
  background: var(--color-gold-pale);
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  border-radius: var(--radius-pill);
  margin-bottom: 14px;
}

.section-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.3;
  margin-bottom: 14px;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: "";
  display: block;
  width: 48px;
  height: 4px;
  border-radius: 4px;
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
  margin: 12px auto 0;
}

.section-desc {
  font-size: 16px;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-top: 12px;
}

/* buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  font-size: 15px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  user-select: none;
  whitespace: nowrap;
  line-height: 1.2;
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
  color: var(--color-primary);
  box-shadow: 0 4px 16px rgba(200, 169, 106, 0.28);
}

.btn--primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-gold);
  color: var(--color-primary);
}

.btn--primary:active {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(200, 169, 106, 0.30);
}

.btn--ghost {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn--ghost:hover {
  background: var(--color-gold-pale);
  border-color: var(--color-gold);
  color: var(--color-primary);
  transform: translateY(-3px);
}

.btn--ghost-light {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.65);
}

.btn--ghost-light:hover {
  background: rgba(255, 255, 255, 0.10);
  border-color: var(--color-gold-light);
  color: var(--color-gold-light);
  transform: translateY(-3px);
}

.btn--block {
  width: 100%;
}

.btn--lg {
  padding: 16px 40px;
  font-size: 16px;
}

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

.btn:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 2px;
}

/* badges / tags */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 18px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.badge--gold {
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
  color: var(--color-primary);
  box-shadow: 0 4px 14px rgba(200, 169, 106, 0.30);
}

.tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
}

.tag--gold {
  background: var(--color-gold-pale);
  color: var(--color-primary);
}

.tag--outline {
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
}

/* header */
.site-header {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  gap: 24px;
}

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

.brand__dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
  box-shadow: 0 0 12px rgba(200, 169, 106, 0.6);
}

.brand__name {
  font-size: 22px;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: 0.02em;
  line-height: 1.2;
}

.header-search {
  flex: 1;
  max-width: 440px;
  margin: 0 16px;
}

.header-search form {
  display: flex;
  align-items: center;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: var(--transition);
}

.header-search form:focus-within {
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(200, 169, 106, 0.18);
}

.header-search input {
  flex: 1;
  border: none;
  outline: none;
  padding: 10px 16px;
  font-size: 14px;
  color: var(--color-text);
  background: transparent;
}

.header-search input::placeholder {
  color: #A9B0AC;
}

.header-search button {
  padding: 10px 18px;
  color: var(--color-primary);
  font-size: 15px;
  font-weight: 700;
  background: transparent;
  border-left: 1px solid var(--color-border);
  transition: var(--transition);
}

.header-search button:hover {
  background: var(--color-gold-pale);
  color: var(--color-primary);
}

.header-cta {
  flex-shrink: 0;
}

/* second row nav */
.site-nav {
  background: var(--color-primary);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 2px solid rgba(200, 169, 106, 0.45);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 20px rgba(10, 58, 46, 0.18);
}

.site-nav__inner {
  display: flex;
  align-items: center;
  padding: 0 24px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.site-nav__inner::-webkit-scrollbar {
  display: none;
}

.site-nav__tabs {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 0;
  flex-shrink: 0;
}

.nav-tab {
  display: inline-flex;
  align-items: center;
  padding: 8px 22px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
  background: transparent;
  transition: var(--transition);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.nav-tab:hover {
  color: var(--color-gold-light);
  background: rgba(255, 255, 255, 0.06);
}

.nav-tab.active {
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
  color: var(--color-primary);
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(200, 169, 106, 0.25);
}

/* countdown */
.countdown-bar {
  background: var(--color-primary);
  border-bottom: 1px solid rgba(200, 169, 106, 0.25);
  padding: 12px 0;
}

.countdown-bar__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.countdown-bar__label {
  color: var(--color-gold-light);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.countdown-bar__timer {
  display: flex;
  align-items: center;
  gap: 8px;
}

.countdown-bar__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  padding: 4px 10px;
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
  color: var(--color-primary);
  border-radius: 10px;
  font-size: 18px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  line-height: 1.4;
}

.countdown-bar__unit {
  color: rgba(255, 255, 255, 0.7);
  font-size: 13px;
  margin-right: 4px;
}

.countdown-bar__sep {
  color: var(--color-gold);
  font-weight: 700;
  margin: 0 2px;
}

/* hero */
.hero {
  position: relative;
  padding: 120px 0 100px;
  background-color: var(--color-primary);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: 0;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10, 58, 46, 0.95) 0%, rgba(14, 77, 60, 0.88) 55%, rgba(26, 107, 80, 0.72) 100%);
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 820px;
  text-align: center;
  margin: 0 auto;
}

.hero__badge-wrap {
  margin-bottom: 24px;
}

.hero__title {
  font-size: 44px;
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.25;
  letter-spacing: 0.01em;
  margin-bottom: 18px;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.18);
}

.hero__subtitle {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.75;
  margin-bottom: 36px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.hero__actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero__stats {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  padding-top: 36px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.stat {
  text-align: center;
}

.stat__num {
  display: block;
  font-size: 32px;
  font-weight: 800;
  color: var(--color-gold-light);
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}

.stat__label {
  display: block;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.65);
  margin-top: 4px;
  letter-spacing: 0.06em;
}

/* features */
.features__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 40px 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(227, 220, 206, 0.6);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
  opacity: 0;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-card__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 20px;
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
  color: var(--color-primary);
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.06em;
  margin-bottom: 24px;
  box-shadow: 0 4px 14px rgba(200, 169, 106, 0.25);
}

.feature-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 15px;
  color: var(--color-text-muted);
  line-height: 1.7;
}

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

.gallery-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.gallery-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
}

.gallery-card__img {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.gallery-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-card:hover .gallery-card__img img {
  transform: scale(1.06);
}

.gallery-card__img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 58, 46, 0.45) 0%, transparent 50%);
  transition: var(--transition);
}

.gallery-card__tag {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 3;
  display: inline-block;
  padding: 5px 14px;
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
  color: var(--color-primary);
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

.gallery-card__body {
  padding: 22px 20px 24px;
}

.gallery-card__body h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.gallery-card__body p {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: 16px;
}

.gallery-card__more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
}

.gallery-card__more::after {
  content: "→";
  font-size: 18px;
  transition: transform 0.3s ease;
}

.gallery-card__more:hover {
  color: var(--color-gold);
}

.gallery-card__more:hover::after {
  transform: translateX(4px);
}

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

.process-step {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(227, 220, 206, 0.6);
  transition: var(--transition);
}

.process-step:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.process-step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-lighter));
  color: var(--color-gold-light);
  font-size: 18px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  margin-bottom: 20px;
  box-shadow: 0 6px 20px rgba(10, 58, 46, 0.22);
}

.process-step h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.process-step p {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* CTA */
.cta__card {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 55%, var(--color-primary-lighter) 100%);
  border-radius: var(--radius-lg);
  padding: 64px 56px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(200, 169, 106, 0.35);
  box-shadow: var(--shadow-md);
}

.cta__card::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -60px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200, 169, 106, 0.18) 0%, transparent 70%);
  pointer-events: none;
}

.cta__content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  z-index: 1;
}

.cta__content h2 {
  font-size: 30px;
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.35;
  margin-bottom: 16px;
}

.cta__content p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.80);
  line-height: 1.75;
  margin-bottom: 28px;
  max-width: 420px;
}

.cta__actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.cta__form-wrap {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(200, 169, 106, 0.35);
  border-radius: var(--radius-md);
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  z-index: 1;
  backdrop-filter: blur(4px);
}

.cta__form-label {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 24px;
  text-align: center;
}

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

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 6px;
  letter-spacing: 0.03em;
}

.form-group input {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.10);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius-sm);
  color: var(--color-white);
  font-size: 14px;
  outline: none;
  transition: var(--transition);
}

.form-group input::placeholder {
  color: rgba(255, 255, 255, 0.35);
}

.form-group input:focus {
  border-color: var(--color-gold);
  background: rgba(255, 255, 255, 0.14);
  box-shadow: 0 0 0 3px rgba(200, 169, 106, 0.15);
}

.cta__form-wrap .btn {
  margin-top: 6px;
  width: 100%;
}

/* news */
.news-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 960px;
  margin: 0 auto;
}

.news-list__item {
  display: flex;
  gap: 20px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(227, 220, 206, 0.55);
  transition: var(--transition);
}

.news-list__item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.news-list__thumb {
  display: block;
  width: 180px;
  height: 126px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
}

.news-list__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.news-list__item:hover .news-list__thumb img {
  transform: scale(1.05);
}

.news-list__body {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.news-list__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.news-list__date {
  font-size: 12px;
  color: var(--color-text-muted);
}

.news-list__title {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 6px;
  line-height: 1.4;
}

.news-list__title a {
  color: inherit;
}

.news-list__title a:hover {
  color: var(--color-primary);
}

.news-list__excerpt {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 10px;
}

.news-list__more {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.news-list__more::after {
  content: "→";
  transition: transform 0.3s ease;
}

.news-list__more:hover::after {
  transform: translateX(4px);
}

.news-list__empty {
  text-align: center;
  padding: 60px 20px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  font-size: 16px;
  box-shadow: var(--shadow-sm);
}

/* FAQ */
.faq__list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--color-gold);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  box-shadow: var(--shadow-md);
}

.faq-item__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 22px 28px;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  background: transparent;
  text-align: left;
  gap: 16px;
  transition: var(--transition);
}

.faq-item__question:hover {
  color: var(--color-primary);
}

.faq-item__icon {
  position: relative;
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

.faq-item__icon::before,
.faq-item__icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 14px;
  height: 2px;
  background: var(--color-gold);
  border-radius: 2px;
  transform: translate(-50%, -50%);
  transition: var(--transition);
}

.faq-item__icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-item.open .faq-item__icon::after {
  transform: translate(-50%, -50%) rotate(0deg);
  opacity: 0;
}

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-item__answer-inner {
  padding: 0 28px 24px;
  font-size: 15px;
  color: var(--color-text-muted);
  line-height: 1.75;
}

/* footer */
.site-footer {
  background: var(--color-primary);
  color: rgba(255, 255, 255, 0.75);
  padding: 64px 0 32px;
}

.site-footer .container {
  max-width: 1200px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.10);
}

.footer__brand .brand__name {
  color: var(--color-gold-light);
  font-size: 20px;
}

.footer__brand p {
  margin-top: 14px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.60);
  line-height: 1.7;
  max-width: 320px;
}

.footer__links h4,
.footer__contact h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-gold-light);
  margin-bottom: 18px;
  letter-spacing: 0.04em;
}

.footer__links a {
  display: block;
  padding: 6px 0;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.70);
  transition: var(--transition);
}

.footer__links a:hover {
  color: var(--color-gold-light);
  padding-left: 6px;
}

.footer__contact p {
  padding: 4px 0;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
}

.footer__social {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.footer__social .social-dot {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.10);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gold-light);
  font-size: 14px;
  font-weight: 700;
  transition: var(--transition);
  cursor: default;
}

.footer__social .social-dot:hover {
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
  color: var(--color-primary);
  transform: translateY(-3px);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 28px;
  font-size: 13px;
  color: var(--color-footer-text);
}

.footer__bottom p {
  margin: 0;
}

/* focus visible */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 2px;
}

/* responsive */
@media (max-width: 1024px) {
  .gallery__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .hero {
    padding: 80px 0 64px;
  }
  .hero__title {
    font-size: 36px;
  }
  .cta__card {
    grid-template-columns: 1fr;
    padding: 48px 32px;
    gap: 32px;
  }
  .cta__content {
    text-align: center;
  }
  .cta__content p {
    margin-left: auto;
    margin-right: auto;
  }
  .cta__actions {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 56px 0;
  }
  .section-title {
    font-size: 26px;
  }
  .header-top {
    flex-wrap: wrap;
    gap: 14px;
    padding: 14px 20px;
  }
  .header-search {
    order: 3;
    max-width: 100%;
    width: 100%;
    flex-basis: 100%;
    margin: 0;
  }
  .brand__name {
    font-size: 19px;
  }
  .btn--small {
    padding: 8px 16px;
    font-size: 13px;
  }
  .hero__title {
    font-size: 30px;
  }
  .hero__subtitle {
    font-size: 16px;
  }
  .hero__stats {
    gap: 24px;
  }
  .stat__num {
    font-size: 26px;
  }
  .features__grid {
    grid-template-columns: 1fr;
  }
  .news-list__item {
    flex-direction: column;
  }
  .news-list__thumb {
    width: 100%;
    height: 180px;
  }
  .footer__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .countdown-bar__inner {
    gap: 10px;
  }
  .countdown-bar__num {
    min-width: 32px;
    font-size: 15px;
    padding: 3px 8px;
  }
  .countdown-bar__label {
    font-size: 13px;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .header-top {
    padding: 12px 16px;
  }
  .site-nav__inner {
    padding: 0 16px;
  }
  .nav-tab {
    padding: 7px 16px;
    font-size: 13px;
  }
  .hero {
    padding: 60px 0 48px;
  }
  .hero__title {
    font-size: 26px;
    line-height: 1.3;
  }
  .hero__subtitle {
    font-size: 15px;
    line-height: 1.7;
  }
  .hero__actions {
    flex-direction: column;
    width: 100%;
  }
  .hero__actions .btn {
    width: 100%;
  }
  .gallery__grid {
    grid-template-columns: 1fr;
  }
  .process__grid {
    grid-template-columns: 1fr;
  }
  .cta__card {
    padding: 32px 20px;
  }
  .cta__form-wrap {
    padding: 24px 20px;
  }
  .cta__content h2 {
    font-size: 24px;
  }
  .cta__actions {
    flex-direction: column;
  }
  .news-list__item {
    padding: 14px;
  }
  .faq-item__question {
    padding: 18px 20px;
    font-size: 15px;
  }
  .faq-item__answer-inner {
    padding: 0 20px 20px;
  }
  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }
  .countdown-bar__inner {
    flex-direction: column;
    gap: 6px;
  }
}

/* roulang page: category1 */
:root {
  --brand-dark: #0A3A2E;
  --brand-mid: #0E4D3C;
  --brand-light: #1A6B50;
  --gold: #C8A96A;
  --gold-light: #E4C78C;
  --gold-pale: #F3E5C9;
  --bg-warm: #FAF7F2;
  --bg-soft: #F2EEE7;
  --text-main: #1E2421;
  --text-muted: #5C655F;
  --line-color: #E3DCCE;
  --shadow-sm: 0 4px 16px rgba(10,58,46,0.08);
  --shadow-md: 0 8px 30px rgba(10,58,46,0.10);
  --shadow-lg: 0 16px 40px rgba(10,58,46,0.16);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --radius-pill: 999px;
  --gradient-dark: 135deg, #0A3A2E 0%, #0E4D3C 60%, #1A6B50 100%;
  --gradient-gold: 135deg, #C8A96A 0%, #E4C78C 100%;
  --font-main: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-main);
  background: var(--bg-warm);
  color: var(--text-main);
  line-height: 1.7;
  font-size: 16px;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s ease, background-color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

ul, ol {
  list-style: none;
}

button, input {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
}

input[type="search"]::-webkit-search-decoration,
input[type="search"]::-webkit-search-cancel-button {
  -webkit-appearance: none;
}

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* ============ 双层导航 ============ */
.site-header {
  background: var(--bg-warm);
  box-shadow: var(--shadow-sm);
  position: relative;
  z-index: 100;
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 16px;
  padding-bottom: 16px;
}

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

.brand__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--gradient-gold);
  box-shadow: 0 0 0 4px rgba(200,169,106,0.18);
}

.brand__name {
  font-weight: 800;
  font-size: 24px;
  letter-spacing: 1px;
  color: var(--brand-dark);
  white-space: nowrap;
}

.header-search {
  flex: 1;
  max-width: 420px;
  margin: 0 12px;
}

.header-search form {
  display: flex;
  background: #fff;
  border: 1px solid var(--line-color);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.header-search form:focus-within {
  border-color: var(--gold);
  box-shadow: 0 0 0 4px rgba(200,169,106,0.18);
}

.header-search input {
  flex: 1;
  padding: 10px 16px;
  background: transparent;
  color: var(--text-main);
  font-size: 14px;
  border: none;
}

.header-search input::placeholder {
  color: var(--text-muted);
}

.header-search button {
  background: var(--brand-dark);
  color: var(--gold-light);
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.25s ease;
  white-space: nowrap;
}

.header-search button:hover {
  background: var(--brand-mid);
}

.header-cta {
  flex-shrink: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  padding: 12px 28px;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}

.btn--small {
  padding: 9px 20px;
  font-size: 14px;
}

.btn--primary {
  background: var(--gradient-gold);
  color: var(--brand-dark);
  box-shadow: 0 4px 16px rgba(200,169,106,0.28);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(200,169,106,0.38);
}

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

.btn--outline {
  background: transparent;
  border: 2px solid var(--brand-dark);
  color: var(--brand-dark);
}

.btn--outline:hover {
  background: var(--gold-pale);
  border-color: var(--brand-dark);
}

.btn--ghost-white {
  background: transparent;
  border: 2px solid rgba(255,255,255,0.75);
  color: var(--bg-warm);
}

.btn--ghost-white:hover {
  background: rgba(255,255,255,0.12);
  border-color: #fff;
}

.btn--light {
  background: var(--bg-warm);
  color: var(--brand-dark);
}

.btn--light:hover {
  background: var(--gold-pale);
}

.site-nav {
  background: var(--gradient-dark);
  border-top: 1px solid rgba(255,255,255,0.08);
}

.site-nav__inner {
  display: flex;
  align-items: center;
}

.site-nav__tabs {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 0;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  width: 100%;
}

.site-nav__tabs::-webkit-scrollbar {
  display: none;
}

.nav-tab {
  display: inline-flex;
  align-items: center;
  padding: 8px 22px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 600;
  color: rgba(255,255,255,0.82);
  white-space: nowrap;
  transition: background-color 0.25s ease, color 0.25s ease;
}

.nav-tab:hover {
  background: rgba(255,255,255,0.1);
  color: #fff;
}

.nav-tab.active {
  background: var(--gradient-gold);
  color: var(--brand-dark);
  box-shadow: 0 2px 12px rgba(200,169,106,0.35);
}

/* ============ 通用标题与文本 ============ */
.section__header {
  text-align: center;
  margin-bottom: 48px;
}

.section__tag {
  display: inline-block;
  background: var(--gold-pale);
  color: var(--brand-mid);
  font-size: 13px;
  font-weight: 700;
  padding: 6px 18px;
  border-radius: var(--radius-pill);
  letter-spacing: 1px;
  margin-bottom: 14px;
}

.section__title {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.25;
  color: var(--text-main);
  position: relative;
  display: inline-block;
}

.section__title::after {
  content: '';
  display: block;
  width: 48px;
  height: 4px;
  border-radius: 4px;
  background: var(--gradient-gold);
  margin: 14px auto 0;
}

.section__sub {
  color: var(--text-muted);
  margin-top: 14px;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

/* ============ 分类页 Hero ============ */
.cat-hero {
  position: relative;
  padding: 88px 0 80px;
  border-radius: 0 0 40px 40px;
  overflow: hidden;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
}

.cat-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10,58,46,0.94) 0%, rgba(14,77,60,0.88) 60%, rgba(26,107,80,0.78) 100%);
}

.cat-hero__inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 860px;
  margin: 0 auto;
}

.cat-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.22);
  border-radius: var(--radius-pill);
  padding: 6px 18px;
  color: var(--gold-light);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1px;
  backdrop-filter: blur(6px);
  margin-bottom: 24px;
}

.cat-hero h1 {
  font-size: 44px;
  font-weight: 800;
  line-height: 1.2;
  color: var(--bg-warm);
  margin-bottom: 20px;
}

.cat-hero h1 span {
  color: var(--gold-light);
}

.cat-hero p {
  font-size: 17px;
  line-height: 1.75;
  color: rgba(255,255,255,0.88);
  max-width: 680px;
  margin: 0 auto 36px;
}

.cat-hero__btns {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ============ 数据徽章区 ============ */
.cat-stats {
  padding: 64px 0 72px;
  background: var(--bg-warm);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}

.stat-card {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 28px 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--line-color);
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}

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

.stat-card__num {
  font-size: 32px;
  font-weight: 800;
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
}

.stat-card__label {
  color: var(--text-muted);
  font-size: 14px;
  margin-top: 8px;
}

/* ============ 分类内容卡片区 ============ */
.cat-topics {
  padding: 80px 0;
  background: var(--bg-soft);
}

.topic-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.topic-card {
  background: #fff;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--line-color);
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.topic-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
}

.topic-card__image {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.topic-card__image img {
  width: 100%;
  height: 100%;
  transition: transform 0.45s ease;
}

.topic-card:hover .topic-card__image img {
  transform: scale(1.05);
}

.topic-card__image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,58,46,0.4), transparent 60%);
}

.topic-card__tag {
  position: absolute;
  left: 16px;
  top: 16px;
  z-index: 2;
  background: var(--gradient-gold);
  color: var(--brand-dark);
  font-size: 13px;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  box-shadow: 0 2px 10px rgba(0,0,0,0.18);
}

.topic-card__body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.topic-card__body h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--brand-dark);
}

.topic-card__body p {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.7;
  flex: 1;
}

.topic-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 18px;
  color: var(--brand-mid);
  font-weight: 600;
  font-size: 14px;
  border-bottom: 2px solid transparent;
  padding-bottom: 2px;
}

.topic-card__link:hover {
  border-bottom-color: var(--gold);
  color: var(--brand-dark);
}

/* ============ 左右图文分栏 ============ */
.cat-features {
  padding: 80px 0;
  background: var(--bg-warm);
}

.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.feature-row + .feature-row {
  margin-top: 64px;
}

.feature-row__image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.feature-row__image img {
  width: 100%;
  aspect-ratio: 4 / 3;
}

.feature-row__body h3 {
  font-size: 24px;
  font-weight: 700;
  color: var(--brand-dark);
  margin-bottom: 14px;
  line-height: 1.4;
}

.feature-row__body p {
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 20px;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--text-main);
  font-size: 15px;
}

.feature-list li::before {
  content: '';
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gradient-gold);
  margin-top: 8px;
}

/* ============ 参与流程 ============ */
.cat-process {
  padding: 80px 0;
  background: var(--gradient-dark);
  border-radius: 40px;
  margin: 0 24px;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.process-item {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  padding: 28px 22px;
  text-align: center;
  backdrop-filter: blur(4px);
  transition: background-color 0.3s ease, transform 0.3s ease;
}

.process-item:hover {
  background: rgba(255,255,255,0.14);
  transform: translateY(-4px);
}

.process-item__icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--gradient-gold);
  color: var(--brand-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 800;
  margin: 0 auto 18px;
  box-shadow: 0 6px 20px rgba(200,169,106,0.35);
}

.process-item h4 {
  color: var(--bg-warm);
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
}

.process-item p {
  color: rgba(255,255,255,0.75);
  font-size: 14px;
  line-height: 1.6;
}

/* ============ FAQ ============ */
.cat-faq {
  padding: 80px 0;
  background: var(--bg-warm);
}

.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px solid var(--line-color);
  border-left: 4px solid var(--gold);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow 0.3s ease;
}

.faq-item:hover {
  box-shadow: var(--shadow-md);
}

.faq-item__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  cursor: pointer;
  font-weight: 600;
  font-size: 16px;
  color: var(--text-main);
  background: transparent;
  border: none;
  text-align: left;
  width: 100%;
}

.faq-item__icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--gold-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-mid);
  font-size: 18px;
  transition: transform 0.3s ease;
}

.faq-item.open .faq-item__icon {
  transform: rotate(45deg);
}

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-item.open .faq-item__answer {
  max-height: 300px;
}

.faq-item__answer-inner {
  padding: 0 24px 22px;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.75;
}

/* ============ CTA ============ */
.cat-cta {
  padding: 80px 0;
  background: var(--bg-warm);
}

.cta-box {
  background: var(--gradient-dark);
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  border: 1px solid rgba(200,169,106,0.4);
  box-shadow: var(--shadow-md);
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: center;
}

.cta-box__content h2 {
  color: var(--bg-warm);
  font-size: 30px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 14px;
}

.cta-box__content p {
  color: rgba(255,255,255,0.82);
  font-size: 16px;
  line-height: 1.7;
  margin-bottom: 28px;
}

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

.cta-box__form {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-md);
  padding: 28px;
  backdrop-filter: blur(6px);
}

.cta-box__form h3 {
  color: var(--bg-warm);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 20px;
  text-align: center;
}

.form-group {
  margin-bottom: 14px;
}

.form-group input {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--bg-warm);
  font-size: 15px;
  transition: border-color 0.25s ease, background-color 0.25s ease;
}

.form-group input::placeholder {
  color: rgba(255,255,255,0.55);
}

.form-group input:focus {
  border-color: var(--gold);
  background: rgba(255,255,255,0.16);
}

.cta-box__form .btn {
  width: 100%;
  margin-top: 6px;
}

/* ============ 页脚 ============ */
.site-footer {
  background: var(--brand-dark);
  color: rgba(255,255,255,0.8);
  padding: 64px 0 0;
  margin-top: 40px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}

.footer__brand .brand .brand__name {
  color: var(--gold-light);
}

.footer__brand p {
  color: rgba(255,255,255,0.65);
  font-size: 15px;
  line-height: 1.7;
  margin: 18px 0 20px;
  max-width: 340px;
}

.footer__social {
  display: flex;
  gap: 12px;
}

.social-dot {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-light);
  font-size: 14px;
  font-weight: 600;
  cursor: default;
  border: 1px solid rgba(255,255,255,0.14);
  transition: background-color 0.25s ease, border-color 0.25s ease;
}

.social-dot:hover {
  background: rgba(200,169,106,0.2);
  border-color: var(--gold);
}

.footer__links h4,
.footer__contact h4 {
  color: var(--gold-light);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 18px;
}

.footer__links a {
  display: block;
  color: rgba(255,255,255,0.7);
  font-size: 15px;
  padding: 5px 0;
  transition: color 0.25s ease;
}

.footer__links a:hover {
  color: var(--gold-light);
}

.footer__contact p {
  color: rgba(255,255,255,0.7);
  font-size: 15px;
  padding: 5px 0;
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 24px 0;
  color: rgba(255,255,255,0.5);
  font-size: 14px;
}

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
  .header-top {
    flex-wrap: wrap;
  }
  .header-search {
    order: 3;
    max-width: 100%;
    flex-basis: 100%;
  }
  .topic-grid {
    gap: 20px;
  }
  .feature-row {
    gap: 32px;
  }
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .cta-box {
    grid-template-columns: 1fr;
    padding: 40px 32px;
  }
  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .brand__name {
    font-size: 20px;
  }
  .header-cta .btn--small {
    padding: 8px 16px;
    font-size: 13px;
  }
  .nav-tab {
    padding: 7px 16px;
    font-size: 14px;
  }
  .cat-hero {
    padding: 60px 0 56px;
  }
  .cat-hero h1 {
    font-size: 34px;
  }
  .cat-hero p {
    font-size: 15px;
  }
  .section__title {
    font-size: 26px;
  }
  .section__header {
    margin-bottom: 34px;
  }
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .topic-grid {
    grid-template-columns: 1fr;
  }
  .feature-row {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .feature-row + .feature-row {
    margin-top: 48px;
  }
  .feature-row__image img {
    aspect-ratio: 16 / 9;
  }
  .process-grid {
    grid-template-columns: 1fr;
  }
  .cat-process {
    margin: 0 12px;
    border-radius: 24px;
  }
  .cat-faq {
    padding: 60px 0;
  }
  .faq-item__question {
    font-size: 15px;
    padding: 18px;
  }
  .faq-item__answer-inner {
    padding: 0 18px 18px;
    font-size: 14px;
  }
  .cta-box {
    padding: 32px 20px;
  }
  .cta-box__content h2 {
    font-size: 24px;
  }
  .footer__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 520px) {
  .header-top {
    gap: 12px;
  }
  .brand__name {
    font-size: 17px;
  }
  .brand__dot {
    width: 10px;
    height: 10px;
  }
  .header-cta .btn--small {
    padding: 7px 12px;
    font-size: 12px;
  }
  .cat-hero h1 {
    font-size: 26px;
  }
  .cat-hero__btns {
    flex-direction: column;
    align-items: center;
  }
  .cat-hero__btns .btn {
    width: 100%;
  }
  .stat-card__num {
    font-size: 26px;
  }
  .topic-card__body {
    padding: 20px;
  }
  .topic-card__body h3 {
    font-size: 18px;
  }
  .cta-box__actions {
    flex-direction: column;
  }
  .cta-box__actions .btn {
    width: 100%;
  }
  .footer__bottom {
    font-size: 13px;
  }
}

/* roulang page: article */
:root {
    --green-900: #0A3A2E;
    --green-800: #0E4D3C;
    --green-700: #1A6B50;
    --gold-400: #C8A96A;
    --gold-300: #E4C78C;
    --gold-200: #F3E5C9;
    --bg-warm: #FAF7F2;
    --bg-soft: #F2EEE7;
    --text-main: #1E2421;
    --text-sub: #5C655F;
    --border: #E3DCCE;
    --shadow-sm: 0 8px 30px rgba(10,58,46,0.10);
    --shadow-lg: 0 16px 40px rgba(10,58,46,0.16);
    --radius-lg: 24px;
    --radius-md: 16px;
    --radius-sm: 12px;
    --radius-pill: 999px;
    --spacing-section: 96px;
    --font-main: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-main);
    background-color: var(--bg-warm);
    -webkit-font-smoothing: antialiased;
}
a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease;
}
img {
    max-width: 100%;
    display: block;
    object-fit: cover;
}
button, input {
    font-family: inherit;
}
ul, ol {
    list-style: none;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.site-header {
    background: var(--bg-warm);
    border-bottom: 1px solid var(--border);
    position: relative;
    z-index: 100;
    box-shadow: 0 2px 12px rgba(10,58,46,0.05);
}
.header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding-top: 18px;
    padding-bottom: 18px;
}
.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}
.brand__dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--gold-400), var(--gold-300));
    box-shadow: 0 0 0 4px rgba(200,169,106,0.2);
}
.brand__name {
    font-size: 22px;
    font-weight: 800;
    color: var(--green-900);
    letter-spacing: 0.5px;
}
.header-search {
    flex: 1;
    max-width: 420px;
}
.header-search form {
    display: flex;
}
.header-search input {
    flex: 1;
    height: 42px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
    padding: 0 16px;
    font-size: 14px;
    background: #fff;
    color: var(--text-main);
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.header-search input:focus {
    border-color: var(--gold-400);
    box-shadow: 0 0 0 3px rgba(200,169,106,0.15);
}
.header-search button {
    height: 42px;
    padding: 0 20px;
    background: var(--green-900);
    color: var(--gold-200);
    border: none;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}
.header-search button:hover {
    background: var(--green-800);
}
.header-cta {
    flex-shrink: 0;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: var(--radius-sm);
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.25s ease;
    line-height: 1.4;
    border: none;
}
.btn--primary {
    background: linear-gradient(135deg, var(--gold-400), var(--gold-300));
    color: var(--green-900);
    box-shadow: 0 4px 16px rgba(200,169,106,0.3);
}
.btn--primary:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
.btn--outline {
    background: transparent;
    color: var(--green-900);
    border: 2px solid var(--green-900);
}
.btn--outline:hover {
    background: var(--gold-200);
}
.btn--outline-light {
    background: transparent;
    color: var(--gold-200);
    border: 2px solid var(--gold-400);
}
.btn--outline-light:hover {
    background: rgba(200,169,106,0.12);
}
.btn--small {
    padding: 10px 22px;
    font-size: 14px;
}
.btn:focus-visible {
    outline: 2px solid var(--gold-400);
    outline-offset: 3px;
}

/* Nav */
.site-nav {
    background: var(--green-900);
    position: sticky;
    top: 0;
    z-index: 90;
}
.site-nav__inner {
    display: flex;
    align-items: center;
    overflow-x: auto;
    scrollbar-width: none;
}
.site-nav__inner::-webkit-scrollbar {
    display: none;
}
.site-nav__tabs {
    display: flex;
    gap: 8px;
    padding: 10px 0;
    white-space: nowrap;
}
.nav-tab {
    display: inline-block;
    padding: 8px 22px;
    border-radius: var(--radius-pill);
    font-size: 14px;
    font-weight: 600;
    color: rgba(250,247,242,0.85);
    transition: all 0.25s ease;
}
.nav-tab:hover {
    background: rgba(255,255,255,0.08);
    color: #fff;
}
.nav-tab.active {
    background: linear-gradient(135deg, var(--gold-400), var(--gold-300));
    color: var(--green-900);
}

/* Breadcrumb */
.breadcrumb {
    max-width: 760px;
    margin: 0 auto;
    padding: 32px 24px 0;
    font-size: 14px;
    color: var(--text-sub);
}
.breadcrumb a {
    color: var(--text-sub);
}
.breadcrumb a:hover {
    color: var(--green-800);
}
.breadcrumb .sep {
    margin: 0 8px;
    color: var(--border);
}
.breadcrumb .current {
    color: var(--text-main);
    font-weight: 600;
}

/* Article Header */
.article-header {
    max-width: 760px;
    margin: 0 auto;
    padding: 32px 24px 12px;
}
.article-header h1 {
    font-size: 44px;
    font-weight: 800;
    line-height: 1.2;
    color: var(--green-900);
    margin-bottom: 20px;
}
.article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: var(--text-sub);
}
.meta-tag {
    display: inline-block;
    padding: 4px 14px;
    border-radius: var(--radius-pill);
    background: var(--bg-soft);
    font-weight: 600;
    color: var(--green-800);
    border: 1px solid var(--border);
}
.meta-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* Article Body */
.article-wrap {
    max-width: 760px;
    margin: 0 auto;
    padding: 24px 24px 50px;
}
.article-content {
    font-size: 17px;
    line-height: 1.8;
    color: var(--text-main);
}
.article-content p {
    margin-bottom: 24px;
}
.article-content h2 {
    font-size: 26px;
    font-weight: 700;
    color: var(--green-900);
    margin: 40px 0 16px;
    padding-left: 14px;
    border-left: 4px solid var(--gold-400);
}
.article-content h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--green-900);
    margin: 32px 0 12px;
}
.article-content img {
    border-radius: var(--radius-md);
    margin: 28px 0;
    width: 100%;
    object-fit: cover;
}
.article-content ul,
.article-content ol {
    margin: 0 0 24px;
    padding-left: 24px;
}
.article-content ul {
    list-style: disc;
}
.article-content ol {
    list-style: decimal;
}
.article-content li {
    margin-bottom: 8px;
    color: var(--text-main);
}
.article-content blockquote {
    margin: 24px 0;
    padding: 16px 24px;
    background: var(--bg-soft);
    border-left: 4px solid var(--gold-400);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: var(--text-sub);
}

/* Not Found */
.article-not-found {
    text-align: center;
    padding: 80px 24px;
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}
.article-not-found img {
    width: 320px;
    margin: 0 auto 32px;
    border-radius: var(--radius-md);
}
.article-not-found h2 {
    font-size: 28px;
    color: var(--green-900);
    margin-bottom: 12px;
}
.article-not-found p {
    color: var(--text-sub);
    margin-bottom: 28px;
}

/* Article Tags */
.article-tags {
    max-width: 760px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 0 24px 40px;
}
.tag {
    display: inline-block;
    padding: 6px 16px;
    border-radius: var(--radius-pill);
    background: var(--bg-soft);
    border: 1px solid var(--border);
    font-size: 13px;
    color: var(--text-sub);
    transition: all 0.2s ease;
}
.tag:hover {
    background: var(--gold-200);
    border-color: var(--gold-400);
    color: var(--green-900);
}

/* Article Pager */
.article-pager {
    max-width: 760px;
    margin: 0 auto 60px;
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 24px 24px 0;
    border-top: 1px solid var(--border);
}
.pager-item {
    flex: 1;
    padding: 16px 20px;
    border-radius: var(--radius-sm);
    background: var(--bg-soft);
    transition: all 0.25s ease;
    display: block;
}
.pager-item:hover {
    background: var(--gold-200);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(10,58,46,0.06);
}
.pager-label {
    font-size: 13px;
    color: var(--text-sub);
    display: block;
    margin-bottom: 6px;
}
.pager-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--green-900);
    line-height: 1.4;
}
.pager-next {
    text-align: right;
}

/* Related Section */
.related-section {
    padding: 64px 0;
    background: var(--bg-soft);
}
.section-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--green-900);
    margin-bottom: 36px;
    position: relative;
    display: inline-block;
}
.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    margin-top: 10px;
    background: linear-gradient(90deg, var(--gold-400), var(--gold-300));
    border-radius: 2px;
}
.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.related-card {
    background: #fff;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    display: block;
    border: 1px solid rgba(227,220,206,0.6);
}
.related-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}
.related-card__img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}
.related-card__body {
    padding: 20px;
}
.related-card__title {
    font-size: 17px;
    font-weight: 700;
    color: var(--green-900);
    margin-bottom: 8px;
    line-height: 1.4;
}
.related-card__desc {
    font-size: 14px;
    color: var(--text-sub);
    line-height: 1.6;
}

/* CTA */
.cta-section {
    padding: 64px 0;
}
.cta-card {
    background: linear-gradient(135deg, var(--green-900), var(--green-800), var(--green-700));
    border-radius: var(--radius-lg);
    padding: 52px 60px;
    border: 1px solid rgba(200,169,106,0.35);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 36px;
    flex-wrap: wrap;
    box-shadow: var(--shadow-lg);
}
.cta-card h2 {
    font-size: 28px;
    color: var(--gold-200);
    margin-bottom: 8px;
    line-height: 1.3;
}
.cta-card p {
    color: rgba(250,247,242,0.78);
    font-size: 15px;
}
.cta-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

/* FAQ */
.faq-section {
    padding: 0 0 var(--spacing-section);
}
.faq-list {
    max-width: 820px;
    margin: 0 auto;
}
.faq-item {
    background: #fff;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    border-left: 4px solid var(--gold-400);
    margin-bottom: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.25s ease;
}
.faq-item:hover {
    box-shadow: var(--shadow-lg);
}
.faq-item.open {
    border-left-color: var(--green-800);
}
.faq-q {
    padding: 20px 24px;
    font-size: 16px;
    font-weight: 700;
    color: var(--green-900);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    transition: color 0.2s;
}
.faq-q:hover {
    color: var(--green-700);
}
.faq-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--gold-200);
    color: var(--green-900);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 600;
    transition: transform 0.3s ease, background 0.3s;
    flex-shrink: 0;
}
.faq-item.open .faq-icon {
    transform: rotate(45deg);
    background: var(--green-800);
    color: #fff;
}
.faq-a {
    padding: 0 24px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}
.faq-item.open .faq-a {
    max-height: 500px;
    padding: 0 24px 22px;
}
.faq-a p {
    font-size: 15px;
    color: var(--text-sub);
    line-height: 1.7;
    border-top: 1px solid var(--border);
    padding-top: 18px;
}

/* Footer */
.site-footer {
    background: var(--green-900);
    color: rgba(250,247,242,0.75);
    padding: 64px 0 32px;
}
.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.2fr;
    gap: 48px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer__brand .brand__name {
    color: var(--gold-300);
}
.footer__brand p {
    font-size: 14px;
    line-height: 1.7;
    margin-top: 16px;
    color: rgba(250,247,242,0.65);
}
.footer__social {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}
.social-dot {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    color: var(--gold-300);
    font-weight: 600;
    transition: background 0.2s, transform 0.2s;
}
.social-dot:hover {
    background: rgba(200,169,106,0.2);
    transform: translateY(-2px);
}
.footer__links h4,
.footer__contact h4 {
    color: var(--gold-300);
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 18px;
}
.footer__links a {
    display: block;
    font-size: 14px;
    padding: 5px 0;
    color: rgba(250,247,242,0.65);
    transition: color 0.2s;
}
.footer__links a:hover {
    color: var(--gold-300);
}
.footer__contact p {
    font-size: 14px;
    padding: 4px 0;
    color: rgba(250,247,242,0.65);
}
.footer__bottom {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    padding-top: 24px;
    font-size: 13px;
    color: #9AA89F;
}

/* Responsive */
@media (max-width: 1024px) {
    :root {
        --spacing-section: 72px;
    }
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .cta-card {
        padding: 44px 40px;
    }
    .footer__grid {
        grid-template-columns: 1fr 1fr;
    }
    .footer__brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .header-top {
        flex-wrap: wrap;
        gap: 14px;
    }
    .header-search {
        order: 3;
        flex-basis: 100%;
        max-width: none;
    }
    .article-header h1 {
        font-size: 34px;
    }
    .related-grid {
        grid-template-columns: 1fr;
    }
    .cta-card {
        flex-direction: column;
        text-align: center;
        padding: 40px 28px;
    }
    .cta-actions {
        justify-content: center;
    }
    .section-title {
        font-size: 26px;
    }
    .footer__grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .article-pager {
        flex-direction: column;
    }
    .pager-next {
        text-align: left;
    }
}

@media (max-width: 520px) {
    .container {
        padding: 0 16px;
    }
    .brand__name {
        font-size: 18px;
    }
    .header-search input {
        font-size: 13px;
        padding: 0 12px;
    }
    .header-search button {
        padding: 0 14px;
        font-size: 13px;
    }
    .btn {
        padding: 12px 20px;
        font-size: 15px;
    }
    .article-header h1 {
        font-size: 30px;
    }
    .article-content {
        font-size: 16px;
    }
    .breadcrumb {
        padding-top: 20px;
    }
    .article-not-found {
        padding: 50px 20px;
    }
    .article-not-found img {
        width: 220px;
    }
    .cta-card h2 {
        font-size: 22px;
    }
    .cta-card p {
        font-size: 14px;
    }
    .faq-q {
        font-size: 15px;
        padding: 18px 18px;
    }
    .faq-a {
        font-size: 14px;
    }
    .footer__bottom {
        flex-direction: column;
        text-align: center;
    }
}