/* roulang page: index */
:root {
  --color-ink: #141414;
  --color-bg: #F5F3EF;
  --color-card: #FFFFFF;
  --color-accent: #C69C5C;
  --color-accent-dark: #B98A4C;
  --color-accent-light: #F5EDDF;
  --color-text: #1A1A1A;
  --color-text-secondary: #5C5C5C;
  --color-text-muted: #8A8A8A;
  --color-border: #E6E2DB;
  --color-success: #2E7D5B;
  --color-error: #B5473D;
  --color-info: #3B6C9E;
  --font-serif: "Songti SC", "Noto Serif CJK SC", "SimSun", "STSong", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", "Helvetica Neue", sans-serif;
  --font-num: Georgia, "Times New Roman", serif;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-round: 50px;
  --shadow-sm: 0 8px 24px rgba(20,20,20,0.06);
  --shadow-hover: 0 12px 32px rgba(20,20,20,0.12);
  --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --container-max: 1200px;
  --space-section: 110px;
  --space-section-mobile: 70px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

a:hover, a:focus {
  color: var(--color-accent);
}

a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

button {
  font-family: var(--font-sans);
  border: none;
  cursor: pointer;
  background: none;
  transition: all var(--transition);
}

ul, ol {
  list-style: none;
}

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

.section {
  padding: var(--space-section) 0;
}

.section--compact {
  padding: 60px 0;
}

.section-label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 12px;
  display: inline-block;
  position: relative;
  padding-left: 16px;
}

.section-label::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 16px;
  background: var(--color-accent);
  border-radius: 2px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: 34px;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0.02em;
  color: var(--color-text);
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 16px;
  color: var(--color-text-secondary);
  max-width: 640px;
  line-height: 1.8;
}

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

.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-40 { margin-top: 40px; }
.mt-60 { margin-top: 60px; }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 32px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-ink);
  color: #FFFFFF;
}

.btn--primary:hover {
  background: #000000;
  color: #FFFFFF;
  box-shadow: 0 8px 20px rgba(20,20,20,0.18);
  transform: translateY(-2px);
}

.btn--primary:active {
  background: #000000;
  transform: translateY(1px);
  box-shadow: 0 2px 8px rgba(20,20,20,0.12);
}

.btn--outline {
  background: transparent;
  border: 1px solid var(--color-ink);
  color: var(--color-ink);
}

.btn--outline:hover {
  background: var(--color-ink);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(20,20,20,0.12);
}

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

.btn--gold {
  background: var(--color-accent);
  color: #FFFFFF;
}

.btn--gold:hover {
  background: var(--color-accent-dark);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(198,156,92,0.3);
}

.btn--gold:active {
  background: var(--color-accent-dark);
  transform: translateY(1px);
}

.btn--gold .btn-arrow {
  transition: transform var(--transition);
}

.btn--gold:hover .btn-arrow {
  transform: translateX(4px);
}

.btn--sm {
  height: 36px;
  padding: 0 20px;
  font-size: 13px;
}

/* ===== 导航 ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  height: 64px;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition), border-color var(--transition);
  border-bottom: 1px solid transparent;
}

.header--scrolled {
  background: rgba(245, 243, 239, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom-color: var(--color-border);
  box-shadow: 0 4px 20px rgba(20,20,20,0.05);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
}

.header__left {
  display: flex;
  align-items: center;
  gap: 36px;
  flex: 1;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.04em;
}

.logo .logo-mark {
  width: 34px;
  height: 34px;
  background: var(--color-ink);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-family: var(--font-num);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -1px;
}

.logo:hover {
  color: var(--color-text);
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.header__nav .nav-item {
  position: relative;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  padding: 6px 2px;
  background: transparent;
  letter-spacing: 0.02em;
}

.header__nav .nav-item::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition);
  border-radius: 1px;
}

.header__nav .nav-item:hover::after,
.header__nav .nav-item.is-active::after {
  width: 100%;
}

.header__nav .nav-item.is-active {
  font-weight: 700;
  color: var(--color-text);
}

.header__nav .nav-item.is-active::before {
  content: "";
  position: absolute;
  left: -8px;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 4px;
  background: var(--color-accent);
  border-radius: 50%;
}

.header__nav .nav-item:hover {
  color: var(--color-text);
}

.header__right {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.header__search {
  position: relative;
  display: flex;
  align-items: center;
}

.search-toggle {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--color-text);
  background: transparent;
  font-size: 16px;
  transition: all var(--transition);
}

.search-toggle:hover {
  color: var(--color-accent);
  background: var(--color-accent-light);
}

.search-panel {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  opacity: 0;
  overflow: hidden;
  transition: all var(--transition);
  background: var(--color-card);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

.search-panel.is-open {
  width: 260px;
  opacity: 1;
}

.search-panel input {
  width: 100%;
  height: 40px;
  border: none;
  outline: none;
  padding: 0 14px;
  font-size: 14px;
  background: var(--color-card);
  border-bottom: 2px solid var(--color-border);
  transition: border-color var(--transition);
  font-family: var(--font-sans);
}

.search-panel input:focus {
  border-bottom-color: var(--color-accent);
}

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

.header__btn {
  height: 36px;
  padding: 0 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition);
}

.header__btn--ghost {
  color: var(--color-text);
}

.header__btn--ghost:hover {
  background: var(--color-accent-light);
  color: var(--color-text);
}

.header__btn--solid {
  background: var(--color-ink);
  color: #FFFFFF;
}

.header__btn--solid:hover {
  background: #000;
  color: #FFFFFF;
  box-shadow: 0 4px 12px rgba(20,20,20,0.15);
}

.header__burger {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: 20px;
  background: transparent;
}

.header__burger:hover {
  background: var(--color-accent-light);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: var(--color-bg);
  z-index: 1001;
  padding: 80px 24px 30px;
  flex-direction: column;
}

.mobile-menu.is-open {
  display: flex;
}

.mobile-menu__close {
  position: absolute;
  top: 16px;
  right: 20px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--color-text);
  background: transparent;
  border-radius: var(--radius-sm);
}

.mobile-menu__close:hover {
  background: var(--color-accent-light);
}

.mobile-menu__item {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 600;
  color: var(--color-text);
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mobile-menu__item.is-active {
  color: var(--color-accent);
}

.mobile-menu__cta {
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mobile-menu__cta .btn {
  width: 100%;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  background: var(--color-bg);
  overflow: hidden;
  padding-top: 64px;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 70vh;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 2;
}

.hero__content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 40px 80px 0;
  position: relative;
  z-index: 3;
}

.hero__mark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  background: var(--color-accent-light);
  padding: 6px 16px;
  border-radius: var(--radius-round);
  width: fit-content;
}

.hero__mark-dot {
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
}

.hero__title {
  font-family: var(--font-serif);
  font-size: 56px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: var(--color-text);
  margin-bottom: 20px;
}

.hero__title .hero__title-accent {
  color: var(--color-accent);
}

.hero__subtitle {
  font-size: 17px;
  color: var(--color-text-secondary);
  line-height: 1.8;
  max-width: 440px;
  margin-bottom: 36px;
}

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

.hero__visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 70vh;
}

.hero__visual-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero__visual-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to left, rgba(0,0,0,0) 20%, var(--color-bg) 95%);
}

.hero__visual-frame {
  position: relative;
  z-index: 2;
  width: calc(100% - 48px);
  max-width: 520px;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(20,20,20,0.16);
}

.hero__visual-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4/3;
  display: block;
}

.hero__watermark {
  position: absolute;
  right: -20px;
  bottom: -40px;
  font-family: var(--font-num);
  font-size: 180px;
  font-weight: 700;
  color: rgba(20,20,20,0.06);
  line-height: 1;
  z-index: 1;
  pointer-events: none;
  letter-spacing: -0.04em;
  user-select: none;
}

.hero__badge {
  position: absolute;
  top: 30px;
  left: 30px;
  z-index: 4;
  background: var(--color-ink);
  color: #FFFFFF;
  font-size: 12px;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: var(--radius-round);
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 4px 16px rgba(20,20,20,0.2);
}

.hero__badge .badge-dot {
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ===== 信任指标 ===== */
.trust-bar {
  padding: 48px 0;
  border-bottom: 1px solid var(--color-border);
}

.trust-bar__inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}

.trust-bar__item {
  text-align: center;
  padding: 0 20px;
  border-right: 1px solid var(--color-border);
}

.trust-bar__item:last-child {
  border-right: none;
}

.trust-bar__num {
  font-family: var(--font-num);
  font-size: 42px;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.trust-bar__num .suffix {
  font-size: 20px;
  color: var(--color-accent);
  margin-left: 2px;
}

.trust-bar__label {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-top: 6px;
  letter-spacing: 0.04em;
}

/* ===== 权益对比表 ===== */
.compare-section {
  background: var(--color-card);
  border-bottom: 1px solid var(--color-border);
}

.compare-table-wrap {
  overflow-x: auto;
  margin-top: 48px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.compare-table {
  width: 100%;
  min-width: 720px;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 14px;
}

.compare-table thead th {
  background: var(--color-ink);
  color: #FFFFFF;
  font-size: 15px;
  font-weight: 600;
  padding: 20px 24px;
  text-align: center;
  letter-spacing: 0.02em;
  position: relative;
}

.compare-table thead th:first-child {
  text-align: left;
  border-top-left-radius: var(--radius-md);
}

.compare-table thead th:last-child {
  border-top-right-radius: var(--radius-md);
}

.compare-table thead th.is-recommend {
  background: #1F1F1F;
  position: relative;
  box-shadow: inset 0 2px 0 var(--color-accent);
}

.compare-table thead th.is-recommend::after {
  content: "推荐";
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: #FFFFFF;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 12px;
  border-radius: var(--radius-round);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.compare-table tbody td {
  padding: 18px 24px;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-secondary);
}

.compare-table tbody td:first-child {
  text-align: left;
  font-weight: 600;
  color: var(--color-text);
  font-size: 14px;
}

.compare-table tbody tr:last-child td {
  border-bottom: none;
}

.compare-table tbody tr:hover td {
  background: var(--color-accent-light);
}

.compare-table tbody td.is-recommend {
  background: var(--color-accent-light);
  color: var(--color-text);
  font-weight: 600;
}

.compare-table tbody tr:hover td.is-recommend {
  background: #F0E4D4;
}

.compare-table .check {
  color: var(--color-accent);
  font-size: 16px;
  font-weight: 700;
}

.compare-table .minus {
  color: var(--color-text-muted);
}

/* ===== 等级亮点 ===== */
.tiers-section {
  background: var(--color-bg);
}

.tiers-list {
  margin-top: 56px;
  position: relative;
}

.tiers-list::before {
  content: "";
  position: absolute;
  left: 36px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--color-border);
}

.tier-item {
  position: relative;
  padding-left: 100px;
  padding-top: 40px;
  padding-bottom: 40px;
  display: flex;
  align-items: flex-start;
  gap: 48px;
  transition: background var(--transition);
  border-radius: var(--radius-md);
}

.tier-item:hover {
  background: rgba(245, 237, 223, 0.5);
}

.tier-item::before {
  content: "";
  position: absolute;
  left: 36px;
  top: 60px;
  width: 12px;
  height: 12px;
  border: 3px solid var(--color-accent);
  background: var(--color-bg);
  border-radius: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.tier-item:first-child {
  padding-top: 0;
}

.tier-item:first-child::before {
  top: 20px;
}

.tier-item:last-child {
  padding-bottom: 0;
}

.tier-item:last-child::before {
  bottom: 20px;
  top: auto;
}

.tier-item__num {
  font-family: var(--font-num);
  font-size: 56px;
  font-weight: 700;
  line-height: 1;
  color: var(--color-accent);
  letter-spacing: -0.03em;
  min-width: 80px;
  width: 80px;
  flex-shrink: 0;
}

.tier-item__content {
  flex: 1;
  padding-right: 40px;
}

.tier-item__name {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.tier-item__badge {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-accent);
  background: var(--color-accent-light);
  padding: 3px 10px;
  border-radius: var(--radius-round);
  letter-spacing: 0.02em;
}

.tier-item__desc {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.tier-item__points {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.tier-item__point {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--color-text);
}

.tier-item__point .point-icon {
  color: var(--color-accent);
  font-size: 12px;
}

.tier-item__visual {
  width: 220px;
  height: 140px;
  flex-shrink: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
}

.tier-item__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.tier-item__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(20,20,20,0.4), transparent);
}

/* ===== 专属内容预览 ===== */
.preview-section {
  background: var(--color-card);
  border-bottom: 1px solid var(--color-border);
}

.preview-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 24px;
  margin-top: 48px;
}

.preview-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  display: block;
  min-height: 260px;
}

.preview-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-accent);
}

.preview-card__img {
  width: 100%;
  height: 200px;
  overflow: hidden;
  position: relative;
}

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

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

.preview-card__img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(20,20,20,0.15), transparent);
}

.preview-card--large {
  grid-row: span 2;
}

.preview-card--large .preview-card__img {
  height: 100%;
  min-height: 420px;
}

.preview-card__body {
  padding: 24px;
  position: relative;
  z-index: 2;
}

.preview-card__tag {
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-accent);
  background: var(--color-accent-light);
  padding: 4px 10px;
  border-radius: var(--radius-round);
  margin-bottom: 10px;
  letter-spacing: 0.02em;
}

.preview-card__title {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 8px;
  color: var(--color-text);
}

.preview-card--large .preview-card__title {
  font-size: 26px;
}

.preview-card__desc {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
}

.preview-card__link {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all var(--transition);
}

.preview-card__link .link-arrow {
  transition: transform var(--transition);
  font-size: 14px;
}

.preview-card__link:hover {
  color: var(--color-accent);
}

.preview-card__link:hover .link-arrow {
  transform: translateX(4px);
}

.preview-card--overlay {
  border: none;
  background: transparent;
}

.preview-card--overlay .preview-card__img {
  height: 100%;
  min-height: 260px;
}

.preview-card--overlay .preview-card__body {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
}

.preview-card--overlay .preview-card__title {
  color: #FFFFFF;
}

.preview-card--overlay .preview-card__desc {
  color: rgba(255,255,255,0.8);
}

.preview-card--overlay .preview-card__link {
  color: #FFFFFF;
}

.preview-card--overlay .preview-card__link:hover {
  color: var(--color-accent);
}

.preview-card--overlay .preview-card__img::after {
  background: linear-gradient(to top, rgba(20,20,20,0.8) 0%, rgba(20,20,20,0.2) 70%, transparent 100%);
}

/* ===== 最新信息 ===== */
.news-section {
  background: var(--color-bg);
}

.news-list {
  margin-top: 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.news-card {
  display: block;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 32px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  position: relative;
}

.news-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-accent);
}

.news-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.news-card__cat {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent);
  background: var(--color-accent-light);
  padding: 3px 12px;
  border-radius: var(--radius-round);
}

.news-card__date {
  font-size: 13px;
  color: var(--color-text-muted);
  font-family: var(--font-num);
}

.news-card__title {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--color-text);
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color var(--transition);
}

.news-card:hover .news-card__title {
  color: var(--color-accent);
}

.news-card__desc {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
}

.news-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--color-border);
}

.news-card__link {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all var(--transition);
}

.news-card__link .link-arrow {
  transition: transform var(--transition);
}

.news-card__link:hover {
  color: var(--color-accent);
}

.news-card__link:hover .link-arrow {
  transform: translateX(4px);
}

.news-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  background: var(--color-card);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  font-size: 15px;
}

.news-empty .empty-icon {
  font-size: 28px;
  color: var(--color-border);
  margin-bottom: 8px;
  display: block;
}

/* ===== FAQ ===== */
.faq-section {
  background: var(--color-card);
  border-bottom: 1px solid var(--color-border);
}

.faq-wrap {
  max-width: 780px;
  margin: 48px auto 0;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding: 0;
}

.faq-item:first-child {
  border-top: 1px solid var(--color-border);
}

.faq-item__question {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 26px 20px;
  font-size: 17px;
  font-weight: 600;
  color: var(--color-text);
  background: transparent;
  text-align: left;
  cursor: pointer;
  transition: color var(--transition);
  font-family: var(--font-sans);
  flex-direction: row;
}

.faq-item__question::before {
  content: "";
  width: 3px;
  height: 18px;
  background: var(--color-accent);
  border-radius: 2px;
  flex-shrink: 0;
  transition: opacity var(--transition);
}

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

.faq-item__question .faq-icon {
  margin-left: auto;
  font-size: 14px;
  transition: transform var(--transition);
  color: var(--color-text-muted);
  flex-shrink: 0;
  font-style: normal;
}

.faq-item.is-open .faq-item__question .faq-icon {
  transform: rotate(180deg);
  color: var(--color-accent);
}

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out, padding 0.3s ease;
  padding: 0 20px;
}

.faq-item.is-open .faq-item__answer {
  max-height: 300px;
  padding: 0 20px 24px;
}

.faq-item__answer-inner {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.8;
  padding-left: 19px;
}

/* ===== CTA ===== */
.cta-section {
  background: var(--color-ink);
  position: relative;
  overflow: hidden;
  padding: 100px 0;
}

.cta-section::before {
  content: "HTH";
  position: absolute;
  right: -20px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-num);
  font-size: 220px;
  font-weight: 700;
  line-height: 1;
  color: rgba(255,255,255,0.05);
  letter-spacing: -0.04em;
  pointer-events: none;
  user-select: none;
}

.cta-section::after {
  content: "HTH";
  position: absolute;
  left: -20px;
  bottom: -60px;
  font-family: var(--font-num);
  font-size: 160px;
  font-weight: 700;
  line-height: 1;
  color: rgba(255,255,255,0.03);
  letter-spacing: -0.04em;
  pointer-events: none;
  user-select: none;
}

.cta-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.cta-content__title {
  font-family: var(--font-serif);
  font-size: 40px;
  font-weight: 600;
  color: #FFFFFF;
  line-height: 1.4;
  letter-spacing: 0.02em;
  margin-bottom: 16px;
}

.cta-content__subtitle {
  font-size: 15px;
  color: rgba(255,255,255,0.6);
  line-height: 1.8;
  margin-bottom: 36px;
}

.cta-content .btn--gold {
  min-width: 200px;
}

/* ===== 页脚 ===== */
.footer {
  background: #111111;
  color: #FFFFFF;
  font-size: 14px;
}

.footer__top {
  padding: 60px 0 40px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 60px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer__brand .logo {
  color: #FFFFFF;
  margin-bottom: 16px;
}

.footer__brand .logo .logo-mark {
  background: var(--color-accent);
}

.footer__brand-desc {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  line-height: 1.8;
  max-width: 320px;
  margin-bottom: 24px;
}

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

.footer__social-link {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.7);
  font-size: 14px;
  transition: all var(--transition);
}

.footer__social-link:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(198,156,92,0.1);
}

.footer__col h4 {
  font-size: 15px;
  font-weight: 600;
  color: #FFFFFF;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}

.footer__col ul li {
  margin-bottom: 12px;
}

.footer__col ul li a {
  color: rgba(255,255,255,0.6);
  font-size: 14px;
  transition: color var(--transition);
}

.footer__col ul li a:hover {
  color: var(--color-accent);
}

.footer__bottom {
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer__copyright {
  color: rgba(255,255,255,0.5);
  font-size: 13px;
}

.footer__copyright a {
  color: rgba(255,255,255,0.5);
}

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

.footer__links {
  display: flex;
  gap: 24px;
}

.footer__links a {
  color: rgba(255,255,255,0.5);
  font-size: 13px;
  transition: color var(--transition);
}

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

/* ===== 响应式 ===== */
@media (max-width: 1023px) {
  .header__nav {
    display: none;
  }

  .header__cta .header__btn--ghost {
    display: none;
  }

  .header__burger {
    display: flex;
  }

  .hero__inner {
    grid-template-columns: 1fr;
    padding-top: 80px;
  }

  .hero__content {
    padding: 40px 0;
    text-align: center;
    align-items: center;
  }

  .hero__title {
    font-size: 42px;
  }

  .hero__subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero__visual {
    min-height: 50vh;
  }

  .hero__visual-bg::after {
    background: linear-gradient(to top, rgba(20,20,20,0) 10%, var(--color-bg) 100%);
  }

  .hero__watermark {
    font-size: 120px;
    right: 0;
  }

  .trust-bar__inner {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }

  .trust-bar__item:nth-child(2) {
    border-right: none;
  }

  .trust-bar__item:nth-child(n+3) {
    border-top: 1px solid var(--color-border);
    padding-top: 24px;
  }

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

  .preview-card--large {
    grid-column: 1 / -1;
  }

  .preview-card--large .preview-card__img {
    height: 200px;
    min-height: 200px;
  }

  .tier-item {
    padding-left: 60px;
    gap: 24px;
  }

  .tier-item__visual {
    display: none;
  }

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

  .footer__brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 767px) {
  :root {
    --space-section: 70px;
  }

  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .header {
    height: 54px;
  }

  .header__inner {
    padding: 0 16px;
  }

  .logo {
    font-size: 18px;
  }

  .logo .logo-mark {
    width: 28px;
    height: 28px;
    font-size: 12px;
  }

  .header__cta {
    gap: 8px;
  }

  .header__btn {
    display: none;
  }

  .header__btn--solid.mobile-visible {
    display: inline-flex;
    height: 32px;
    padding: 0 14px;
    font-size: 13px;
  }

  .hero__title {
    font-size: 32px;
  }

  .hero__subtitle {
    font-size: 15px;
  }

  .hero__actions {
    flex-direction: column;
    width: 100%;
  }

  .hero__actions .btn {
    width: 100%;
  }

  .hero__visual {
    min-height: 40vh;
  }

  .hero__visual-frame {
    width: calc(100% - 32px);
  }

  .trust-bar__inner {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .trust-bar__num {
    font-size: 32px;
  }

  .trust-bar__label {
    font-size: 12px;
  }

  .section-title {
    font-size: 26px;
  }

  .section-subtitle {
    font-size: 14px;
  }

  .compare-table-wrap {
    margin-top: 32px;
  }

  .tiers-list::before {
    left: 16px;
  }

  .tier-item {
    padding-left: 44px;
    padding-top: 28px;
    padding-bottom: 28px;
    flex-direction: column;
    gap: 12px;
  }

  .tier-item::before {
    left: 16px;
  }

  .tier-item__num {
    font-size: 40px;
    min-width: auto;
    width: auto;
  }

  .tier-item__content {
    padding-right: 0;
  }

  .tier-item__points {
    flex-direction: column;
    gap: 8px;
  }

  .preview-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .preview-card--large {
    grid-column: auto;
  }

  .preview-card__img,
  .preview-card--large .preview-card__img {
    height: 180px;
    min-height: 180px;
  }

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

  .news-card {
    padding: 22px 20px;
  }

  .news-card__title {
    font-size: 18px;
  }

  .faq-wrap {
    margin-top: 32px;
  }

  .faq-item__question {
    font-size: 15px;
    padding: 20px 12px;
  }

  .faq-item__answer-inner {
    font-size: 14px;
  }

  .cta-section {
    padding: 70px 0;
  }

  .cta-content__title {
    font-size: 28px;
  }

  .cta-content .btn--gold {
    width: 100%;
  }

  .footer__top {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer__brand {
    grid-column: auto;
  }

  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }

  .search-panel.is-open {
    width: 200px;
  }
}

@media (min-width: 768px) {
  .mobile-menu {
    display: none !important;
  }
}

@media (max-width: 520px) {
  .hero__title {
    font-size: 28px;
    letter-spacing: 0;
  }

  .hero__subtitle {
    font-size: 14px;
  }

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

  .trust-bar__item {
    padding: 0 8px;
  }

  .trust-bar__item:nth-child(2) {
    border-right: none;
  }

  .trust-bar__num {
    font-size: 26px;
  }
}

/* roulang page: category1 */
:root {
  --color-ink: #141414;
  --color-bg: #F5F3EF;
  --color-card: #FFFFFF;
  --color-gold: #C69C5C;
  --color-gold-dark: #B98A4C;
  --color-text: #1A1A1A;
  --color-text-secondary: #5C5C5C;
  --color-muted: #8A8A8A;
  --color-border: #E6E2DB;
  --color-cream: #F5EDDF;
  --color-success: #2E7D5B;
  --color-error: #B5473D;
  --color-info: #3B6C9E;
  --radius-sm: 4px;
  --radius-md: 8px;
  --shadow-card: 0 8px 24px rgba(20,20,20,0.06);
  --shadow-card-hover: 0 12px 32px rgba(20,20,20,0.12);
  --transition: all 0.3s ease-out;
  --font-serif: "Songti SC", "Noto Serif CJK SC", "SimSun", "STSong", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", "Helvetica Neue", sans-serif;
  --font-num: Georgia, "Times New Roman", serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; cursor: pointer; }
a:hover, a:focus { outline: none; }
button, input { font-family: inherit; font-size: inherit; border: none; background: none; cursor: pointer; }
button:focus-visible, input:focus-visible, a:focus-visible { outline: 2px solid var(--color-gold); outline-offset: 2px; }
ul, ol { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 32px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: var(--transition);
  white-space: nowrap;
}
.btn--primary { background: var(--color-ink); color: #fff; border: 1px solid var(--color-ink); }
.btn--primary:hover { background: #000; box-shadow: 0 8px 24px rgba(20,20,20,0.18); transform: translateY(-1px); }
.btn--primary:active { transform: translateY(1px); box-shadow: none; }
.btn--outline { background: transparent; color: var(--color-ink); border: 1px solid var(--color-ink); }
.btn--outline:hover { background: var(--color-ink); color: #fff; transform: translateY(-1px); }
.btn--outline:active { transform: translateY(1px); }
.btn--gold { background: var(--color-gold); color: #fff; border: 1px solid var(--color-gold); }
.btn--gold:hover { background: var(--color-gold-dark); border-color: var(--color-gold-dark); transform: translateY(-1px); box-shadow: 0 8px 24px rgba(198,156,92,0.28); }
.btn--gold:active { transform: translateY(1px); box-shadow: none; }
.btn--disabled, .btn:disabled { background: #ccc; color: #eee; border-color: #ccc; pointer-events: none; }

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 64px;
  background: transparent;
  transition: var(--transition);
}
.header.is-scrolled {
  background: rgba(245,243,239,0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}
.header__inner {
  max-width: 1440px;
  height: 100%;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.header__left { display: flex; align-items: center; gap: 40px; }
.header__right { display: flex; align-items: center; gap: 20px; }
.logo { display: flex; align-items: center; gap: 10px; }
.logo-mark {
  font-family: var(--font-num);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-gold);
  background: var(--color-ink);
  border-radius: 6px;
  padding: 4px 8px;
  line-height: 1.2;
  letter-spacing: 0.08em;
}
.logo span:last-child {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--color-ink);
}
.header__nav { display: flex; align-items: center; gap: 4px; }
.nav-item {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: var(--transition);
}
.nav-item::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 2px;
  height: 2px;
  background: var(--color-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease-out;
}
.nav-item:hover { color: var(--color-ink); }
.nav-item:hover::after { transform: scaleX(1); }
.nav-item.is-active { color: var(--color-ink); font-weight: 700; }
.nav-item.is-active::after { transform: scaleX(1); }
.header__search { position: relative; display: flex; align-items: center; }
.search-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  transition: var(--transition);
}
.search-toggle:hover { color: var(--color-ink); background: var(--color-cream); }
.search-panel {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  width: 280px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: 12px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: var(--transition);
}
.search-panel.is-open { opacity: 1; visibility: visible; transform: translateY(0); }
.search-panel input {
  width: 100%;
  height: 40px;
  padding: 0 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--color-text);
  transition: var(--transition);
}
.search-panel input:focus { border-color: var(--color-gold); box-shadow: 0 0 0 3px rgba(198,156,92,0.15); }
.header__cta { display: flex; align-items: center; gap: 12px; }
.header__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 36px;
  padding: 0 18px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  transition: var(--transition);
}
.header__btn--ghost { border: 1px solid var(--color-border); color: var(--color-text); }
.header__btn--ghost:hover { border-color: var(--color-ink); background: var(--color-ink); color: #fff; }
.header__btn--solid { background: var(--color-ink); color: #fff; border: 1px solid var(--color-ink); }
.header__btn--solid:hover { background: #000; box-shadow: 0 4px 16px rgba(20,20,20,0.18); transform: translateY(-1px); }
.header__burger { display: none; }

/* Page Hero */
.page-hero {
  position: relative;
  padding: 160px 0 80px;
  background: linear-gradient(135deg, #1a1a1a 0%, #141414 60%, #2a2418 100%);
  overflow: hidden;
}
.page-hero::before {
  content: "HTH";
  position: absolute;
  right: -20px;
  top: 20px;
  font-family: var(--font-num);
  font-size: 320px;
  font-weight: 700;
  line-height: 1;
  color: rgba(255,255,255,0.04);
  pointer-events: none;
}
.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-1.png') right center / cover no-repeat;
  opacity: 0.18;
  mix-blend-mode: luminosity;
}
.page-hero__inner { position: relative; z-index: 2; }
.page-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-gold);
  text-transform: uppercase;
  margin-bottom: 20px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(198,156,92,0.35);
  border-radius: 100px;
  padding: 6px 16px;
}
.page-hero__title {
  font-family: var(--font-serif);
  font-size: 48px;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.25;
  color: #fff;
  max-width: 720px;
  margin-bottom: 24px;
}
.page-hero__title em { font-style: normal; color: var(--color-gold); }
.page-hero__desc {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255,255,255,0.75);
  max-width: 640px;
  margin-bottom: 40px;
}
.page-hero__actions { display: flex; gap: 16px; flex-wrap: wrap; }
.page-hero__meta {
  display: flex;
  gap: 32px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.12);
}
.page-hero__meta-item { display: flex; flex-direction: column; gap: 4px; }
.page-hero__meta-num {
  font-family: var(--font-num);
  font-size: 28px;
  font-weight: 700;
  color: #fff;
}
.page-hero__meta-label { font-size: 13px; color: rgba(255,255,255,0.55); }

/* Section */
.section { padding: 96px 0; }
.section--white { background: var(--color-card); }
.section--cream { background: var(--color-cream); }
.section__head { max-width: 720px; margin-bottom: 56px; }
.section__tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-gold);
  margin-bottom: 12px;
  text-transform: uppercase;
}
.section__title {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.01em;
  color: var(--color-text);
  margin-bottom: 16px;
}
.section__sub { font-size: 16px; line-height: 1.75; color: var(--color-text-secondary); }

/* Activity Grid */
.activity-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.activity-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}
.activity-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-gold);
}
.activity-card--large { grid-column: span 1; grid-row: span 2; }
.activity-card__cover { position: relative; aspect-ratio: 4/3; overflow: hidden; background: var(--color-cream); }
.activity-card--large .activity-card__cover { aspect-ratio: auto; height: 100%; min-height: 200px; }
.activity-card__cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease-out;
}
.activity-card:hover .activity-card__cover img { transform: scale(1.04); }
.activity-card__badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--color-gold);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 100px;
  letter-spacing: 0.04em;
  box-shadow: 0 4px 12px rgba(198,156,92,0.3);
}
.activity-card__content { padding: 28px; }
.activity-card__tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: var(--color-gold);
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}
.activity-card__title {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--color-text);
  margin-bottom: 12px;
}
.activity-card__desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: 20px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.activity-card__meta {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}
.activity-card__meta-item { font-size: 13px; color: var(--color-muted); }
.activity-card__link {
  margin-left: auto;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-gold);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}
.activity-card__link:hover { gap: 10px; color: var(--color-gold-dark); }

/* Stats */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 40px 48px;
}
.stats-bar__item {
  text-align: center;
  border-right: 1px solid var(--color-border);
  padding: 0 24px;
}
.stats-bar__item:last-child { border-right: none; }
.stats-bar__num {
  font-family: var(--font-num);
  font-size: 44px;
  font-weight: 700;
  color: var(--color-ink);
  line-height: 1.2;
  letter-spacing: 0.01em;
}
.stats-bar__num sup { font-size: 20px; color: var(--color-gold); }
.stats-bar__label { font-size: 14px; color: var(--color-text-secondary); margin-top: 8px; }

/* Timeline */
.timeline { position: relative; max-width: 800px; margin: 0 auto; padding-left: 0; }
.timeline::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--color-border) 5%, var(--color-border) 95%, transparent);
}
.timeline__item {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 40px;
  padding: 40px 0;
  width: 50%;
}
.timeline__item:nth-child(odd) { margin-right: auto; flex-direction: row-reverse; text-align: right; }
.timeline__item:nth-child(even) { margin-left: auto; }
.timeline__dot {
  position: absolute;
  top: 48px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-gold);
  border: 3px solid var(--color-card);
  box-shadow: 0 0 0 1px var(--color-gold);
}
.timeline__item:nth-child(odd) .timeline__dot { left: -6px; }
.timeline__item:nth-child(even) .timeline__dot { right: -6px; }
.timeline__date {
  font-family: var(--font-num);
  font-size: 16px;
  font-weight: 700;
  color: var(--color-gold);
  margin-bottom: 8px;
}
.timeline__title {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
}
.timeline__desc { font-size: 14px; line-height: 1.7; color: var(--color-text-secondary); }

/* Process */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.process-step {
  position: relative;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  transition: var(--transition);
}
.process-step:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-gold);
}
.process-step__num {
  font-family: var(--font-num);
  font-size: 48px;
  font-weight: 700;
  line-height: 1;
  color: var(--color-gold);
  opacity: 0.35;
  margin-bottom: 16px;
}
.process-step__title {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
}
.process-step__desc { font-size: 14px; line-height: 1.65; color: var(--color-text-secondary); }
.process-step__arrow {
  position: absolute;
  top: 50%;
  right: -18px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-gold);
  border-radius: 50%;
  color: #fff;
  font-size: 14px;
  z-index: 2;
  box-shadow: 0 4px 12px rgba(198,156,92,0.3);
}
.process-step:last-child .process-step__arrow { display: none; }

/* FAQ */
.faq { max-width: 800px; margin: 0 auto; }
.faq__item {
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition);
}
.faq__item:first-child { border-top: 1px solid var(--color-border); }
.faq__question {
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
  padding: 24px 4px;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  transition: var(--transition);
}
.faq__question::before {
  content: "";
  width: 3px;
  height: 18px;
  background: var(--color-gold);
  border-radius: 2px;
  flex-shrink: 0;
}
.faq__question .faq__icon {
  margin-left: auto;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-num);
  font-size: 18px;
  color: var(--color-gold);
  transition: transform 0.3s ease-out;
}
.faq__item.is-open .faq__question .faq__icon { transform: rotate(45deg); }
.faq__question:hover { color: var(--color-gold-dark); }
.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out;
}
.faq__answer-inner {
  padding: 0 24px 24px 23px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-text-secondary);
}
.faq__item.is-open .faq__answer { max-height: 300px; }

/* CTA */
.cta {
  position: relative;
  background: var(--color-ink);
  padding: 100px 0;
  text-align: center;
  overflow: hidden;
}
.cta::before {
  content: "HTH";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-num);
  font-size: 360px;
  font-weight: 700;
  color: rgba(255,255,255,0.05);
  line-height: 1;
  pointer-events: none;
  white-space: nowrap;
}
.cta__content { position: relative; z-index: 2; }
.cta__title {
  font-family: var(--font-serif);
  font-size: 42px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: 0.01em;
}
.cta__desc {
  font-size: 15px;
  color: rgba(255,255,255,0.65);
  max-width: 520px;
  margin: 0 auto 40px;
  line-height: 1.8;
}
.cta__btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: 48px;
  padding: 0 40px;
  background: var(--color-gold);
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
}
.cta__btn:hover {
  background: var(--color-gold-dark);
  transform: translateY(-1px);
  box-shadow: 0 10px 28px rgba(198,156,92,0.35);
}
.cta__btn:active { transform: translateY(1px); }
.cta__btn .arrow { transition: transform 0.3s ease-out; }
.cta__btn:hover .arrow { transform: translateX(4px); }

/* Footer */
.footer { background: #111; color: rgba(255,255,255,0.75); padding: 64px 0 0; }
.footer__top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer__brand .logo span:last-child { color: #fff; }
.footer__brand-desc {
  font-size: 14px;
  line-height: 1.75;
  margin: 20px 0 24px;
  max-width: 320px;
  color: rgba(255,255,255,0.55);
}
.footer__social { display: flex; gap: 12px; }
.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.7);
  transition: var(--transition);
}
.footer__social-link:hover { background: var(--color-gold); color: #fff; transform: translateY(-2px); }
.footer__col h4 {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
}
.footer__col ul { display: flex; flex-direction: column; gap: 12px; }
.footer__col ul a {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  transition: var(--transition);
}
.footer__col ul a:hover { color: var(--color-gold); padding-left: 4px; }
.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  font-size: 13px;
  color: rgba(255,255,255,0.35);
}
.footer__bottom a { color: rgba(255,255,255,0.35); transition: var(--transition); }
.footer__bottom a:hover { color: var(--color-gold); }

/* Mobile Nav Panel */
.mobile-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg);
  z-index: 99;
  padding: 80px 32px 40px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transform: translateX(100%);
  transition: transform 0.4s ease-out;
  overflow-y: auto;
}
.mobile-nav.is-open { transform: translateX(0); }
.mobile-nav a.mobile-nav__link {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 700;
  color: var(--color-text);
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
}
.mobile-nav a.mobile-nav__link.is-active { color: var(--color-gold); }
.mobile-nav__cta {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.mobile-nav__cta .btn { width: 100%; }

/* Responsive */
@media (max-width: 1024px) {
  .header__nav { display: none; }
  .header__cta .header__btn--ghost { display: none; }
  .header__burger { display: flex; align-items: center; justify-content: center; width: 36px; height: 36px; color: var(--color-text); }
  .header__burger:hover { color: var(--color-gold); }
  .activity-grid { grid-template-columns: repeat(2, 1fr); }
  .activity-card--large { grid-column: span 2; grid-row: auto; }
  .process-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .process-step__arrow { display: none; }
  .footer__top { grid-template-columns: 1fr 1fr; }
  .stats-bar { grid-template-columns: repeat(2, 1fr); gap: 24px 0; }
  .stats-bar__item:nth-child(2) { border-right: none; }
  .stats-bar__item:nth-child(-n+2) { border-bottom: 1px solid var(--color-border); padding-bottom: 24px; }
  .stats-bar__item:nth-child(n+3) { padding-top: 24px; }
  .timeline::before { left: 12px; }
  .timeline__item, .timeline__item:nth-child(odd), .timeline__item:nth-child(even) {
    width: 100%;
    margin: 0;
    padding-left: 40px;
    flex-direction: column;
    text-align: left;
    gap: 4px;
  }
  .timeline__item:nth-child(odd) { flex-direction: column; text-align: left; }
  .timeline__dot, .timeline__item:nth-child(odd) .timeline__dot, .timeline__item:nth-child(even) .timeline__dot {
    left: 6px;
    right: auto;
  }
}
@media (max-width: 767px) {
  .header { height: 54px; }
  .header__inner { padding: 0 16px; }
  .logo-mark { font-size: 15px; padding: 3px 6px; }
  .logo span:last-child { font-size: 17px; }
  .header__cta { display: none; }
  .page-hero { padding: 120px 0 56px; }
  .page-hero__title { font-size: 32px; }
  .page-hero__desc { font-size: 15px; }
  .page-hero__meta { flex-wrap: wrap; gap: 20px; }
  .page-hero__meta-num { font-size: 22px; }
  .section { padding: 64px 0; }
  .section__title { font-size: 28px; }
  .activity-grid { grid-template-columns: 1fr; }
  .activity-card--large { grid-column: span 1; }
  .stats-bar { grid-template-columns: 1fr 1fr; padding: 24px; }
  .stats-bar__num { font-size: 32px; }
  .process-grid { grid-template-columns: 1fr; }
  .footer { padding-top: 48px; }
  .footer__top { grid-template-columns: 1fr; gap: 32px; }
  .footer__bottom { flex-direction: column; gap: 8px; text-align: center; }
  .cta { padding: 64px 0; }
  .cta__title { font-size: 30px; }
  .cta__btn { width: 100%; justify-content: center; }
  .faq__answer-inner { padding: 0 12px 24px 23px; }
}

/* roulang page: article */
:root{
  --color-primary:#141414;
  --color-bg:#F5F3EF;
  --color-card:#FFFFFF;
  --color-accent:#C69C5C;
  --color-accent-dark:#B98A4C;
  --color-text:#1A1A1A;
  --color-text-secondary:#5C5C5C;
  --color-text-muted:#8A8A8A;
  --color-border:#E6E2DB;
  --color-accent-bg:#F5EDDF;
  --color-success:#2E7D5B;
  --color-error:#B5473D;
  --color-info:#3B6C9E;
  --color-white:#FFFFFF;
  --radius-sm:4px;
  --radius-md:8px;
  --shadow-sm:0 2px 8px rgba(20,20,20,0.05);
  --shadow-md:0 8px 24px rgba(20,20,20,0.06);
  --shadow-lg:0 12px 32px rgba(20,20,20,0.12);
  --font-serif:"Songti SC","Noto Serif CJK SC","SimSun","STSong",serif;
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI","Helvetica Neue",sans-serif;
  --font-num:Georgia,"Times New Roman",serif;
  --container-width:1200px;
  --header-height:64px;
  --header-height-mobile:54px;
  --spacing-section:96px;
  --spacing-section-mobile:64px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:var(--font-sans);font-size:16px;line-height:1.75;color:var(--color-text);background-color:var(--color-bg);-webkit-font-smoothing:antialiased;}
img{max-width:100%;display:block;}
a{color:var(--color-text);text-decoration:none;transition:color .25s ease-out;}
a:hover{color:var(--color-accent-dark);}
a:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px;border-radius:2px;}
button{font-family:inherit;cursor:pointer;}
input{font-family:inherit;}
.container{max-width:var(--container-width);margin:0 auto;padding-left:24px;padding-right:24px;}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 32px;font-size:15px;font-weight:500;border-radius:var(--radius-sm);transition:all .3s ease-out;border:1px solid transparent;}
.btn--solid{background:var(--color-primary);color:var(--color-white);}
.btn--solid:hover{background:#000;color:var(--color-white);box-shadow:var(--shadow-sm);transform:translateY(-1px);}
.btn--outline{background:transparent;border-color:var(--color-primary);color:var(--color-text);}
.btn--outline:hover{background:var(--color-primary);color:var(--color-white);}
.btn--accent{background:var(--color-accent);color:var(--color-white);}
.btn--accent:hover{background:var(--color-accent-dark);color:var(--color-white);transform:translateY(-1px);box-shadow:var(--shadow-md);}
.btn:active{transform:translateY(1px);}
.btn:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px;}

/* 标签 */
.tag{display:inline-flex;align-items:center;height:24px;padding:0 12px;font-size:12px;font-weight:500;color:var(--color-accent-dark);background:var(--color-accent-bg);border-radius:999px;letter-spacing:.02em;}

/* 头部导航 */
.header{position:sticky;top:0;z-index:100;background:rgba(245,243,239,0.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--color-border);transition:background .3s ease-out;}
.header__inner{max-width:var(--container-width);margin:0 auto;height:var(--header-height);display:flex;align-items:center;justify-content:space-between;padding:0 24px;gap:16px;}
.header__left,.header__right{display:flex;align-items:center;gap:20px;}
.logo{display:flex;align-items:center;gap:8px;font-family:var(--font-serif);font-size:22px;font-weight:700;color:var(--color-text);letter-spacing:.02em;}
.logo:hover{color:var(--color-text);}
.logo-mark{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;background:var(--color-primary);color:var(--color-accent);border-radius:var(--radius-sm);font-family:var(--font-num);font-size:14px;font-weight:700;letter-spacing:.04em;}
.header__nav{display:flex;gap:2px;}
.nav-item{padding:8px 16px;font-size:15px;font-weight:400;color:var(--color-text-secondary);border-radius:var(--radius-sm);position:relative;transition:color .25s ease-out,background .25s ease-out;}
.nav-item:hover{color:var(--color-text);background:rgba(20,20,20,0.04);}
.nav-item.is-active{color:var(--color-text);font-weight:600;}
.nav-item.is-active::after{content:'';position:absolute;left:16px;right:16px;bottom:2px;height:2px;background:var(--color-accent);border-radius:2px;}
.header__cta{display:flex;gap:10px;}
.header__btn{display:inline-flex;align-items:center;justify-content:center;height:36px;padding:0 18px;font-size:14px;border-radius:var(--radius-sm);transition:all .25s ease-out;font-weight:500;}
.header__btn--ghost{border:1px solid var(--color-border);color:var(--color-text);background:transparent;}
.header__btn--ghost:hover{border-color:var(--color-primary);background:var(--color-primary);color:var(--color-white);}
.header__btn--solid{background:var(--color-primary);color:var(--color-white);border:1px solid var(--color-primary);}
.header__btn--solid:hover{background:#000;border-color:#000;color:var(--color-white);box-shadow:var(--shadow-sm);}
.header__search{position:relative;display:flex;align-items:center;}
.search-toggle{background:none;border:none;padding:8px;color:var(--color-text);display:flex;align-items:center;border-radius:var(--radius-sm);transition:all .25s ease-out;}
.search-toggle:hover{color:var(--color-accent-dark);background:rgba(20,20,20,0.04);}
.search-toggle:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px;}
.search-panel{position:absolute;right:0;top:44px;background:var(--color-white);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:10px;box-shadow:var(--shadow-md);width:260px;max-height:0;overflow:hidden;opacity:0;transform:translateY(4px);transition:all .3s ease-out;z-index:120;}
.search-panel.is-open{max-height:90px;opacity:1;transform:translateY(0);}
.search-panel input{width:100%;height:38px;padding:0 12px;border:none;border-bottom:1px solid var(--color-border);font-size:14px;outline:none;background:transparent;color:var(--color-text);}
.search-panel input:focus{border-color:var(--color-accent);}
.search-panel input::placeholder{color:var(--color-text-muted);}
.header__burger{display:none;background:none;border:none;padding:8px;color:var(--color-text);border-radius:var(--radius-sm);}
.header__burger:hover{background:rgba(20,20,20,0.04);}
.header__burger:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px;}

/* 移动端菜单 */
.mobile-menu{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:var(--color-bg);z-index:200;padding:24px;flex-direction:column;overflow-y:auto;}
.mobile-menu.is-open{display:flex;}
.mobile-menu__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:48px;}
.mobile-menu__close{background:none;border:none;padding:8px;color:var(--color-text);}
.mobile-menu__nav{display:flex;flex-direction:column;gap:8px;}
.mobile-menu__nav a{font-family:var(--font-serif);font-size:28px;font-weight:600;color:var(--color-text);padding:12px 0;border-bottom:1px solid var(--color-border);transition:color .25s ease-out,padding-left .25s ease-out;}
.mobile-menu__nav a:hover{color:var(--color-accent-dark);padding-left:8px;}
.mobile-menu__nav a.is-active{color:var(--color-accent-dark);}
.mobile-menu__cta{margin-top:32px;display:flex;flex-direction:column;gap:12px;}

/* 文章页 */
.article-page{padding:48px 0 0;}
.article-container{max-width:860px;margin:0 auto;padding:0 24px;}
.article-breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--color-text-muted);margin-bottom:32px;}
.article-breadcrumb a{color:var(--color-text-muted);transition:color .25s ease-out;}
.article-breadcrumb a:hover{color:var(--color-accent-dark);}
.article-breadcrumb .sep{color:var(--color-border);}
.article-breadcrumb .current{color:var(--color-text-secondary);}
.article-header{margin-bottom:40px;padding-bottom:32px;border-bottom:1px solid var(--color-border);}
.article-header__cat{display:inline-flex;align-items:center;gap:6px;margin-bottom:16px;}
.article-title{font-family:var(--font-serif);font-size:42px;line-height:1.3;font-weight:700;color:var(--color-text);letter-spacing:.01em;margin-bottom:20px;}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:16px;font-size:14px;color:var(--color-text-muted);margin-bottom:16px;}
.article-meta__item{display:inline-flex;align-items:center;gap:6px;}
.article-meta__dot{width:4px;height:4px;border-radius:50%;background:var(--color-border);}
.article-excerpt{font-size:16px;line-height:1.8;color:var(--color-text-secondary);max-width:720px;}
.article-body{padding-bottom:56px;}
.article-body>*+*{margin-top:1.5em;}
.article-body p{font-size:16px;line-height:1.85;color:var(--color-text);}
.article-body h2{font-family:var(--font-serif);font-size:30px;font-weight:700;color:var(--color-text);margin-top:2em!important;margin-bottom:.8em;letter-spacing:.01em;line-height:1.4;position:relative;padding-left:18px;}
.article-body h2::before{content:'';position:absolute;left:0;top:.55em;width:4px;height:1.2em;background:var(--color-accent);border-radius:2px;}
.article-body h3{font-family:var(--font-serif);font-size:24px;font-weight:700;color:var(--color-text);margin-top:1.8em!important;margin-bottom:.6em;line-height:1.4;}
.article-body h4{font-size:18px;font-weight:600;color:var(--color-text);margin-top:1.6em!important;margin-bottom:.4em;}
.article-body ul,.article-body ol{padding-left:1.5em;margin-top:1em;margin-bottom:1em;}
.article-body li{margin-bottom:.5em;line-height:1.8;}
.article-body ul li::marker{color:var(--color-accent);}
.article-body ol li::marker{color:var(--color-accent);font-family:var(--font-num);font-weight:600;}
.article-body blockquote{border-left:3px solid var(--color-accent);padding:20px 24px;background:var(--color-accent-bg);border-radius:0 var(--radius-md) var(--radius-md) 0;margin:2em 0!important;font-family:var(--font-serif);font-size:17px;line-height:1.8;color:var(--color-text-secondary);}
.article-body blockquote p{margin:0;color:var(--color-text-secondary);}
.article-body img{border-radius:var(--radius-md);border:1px solid var(--color-border);margin:2em 0!important;box-shadow:var(--shadow-sm);}
.article-body a{color:var(--color-accent-dark);text-decoration:underline;text-decoration-color:rgba(198,156,92,.4);text-underline-offset:3px;}
.article-body a:hover{color:var(--color-accent-dark);text-decoration-color:var(--color-accent-dark);}
.article-body table{width:100%;border-collapse:collapse;margin:2em 0!important;font-size:15px;border-radius:var(--radius-md);overflow:hidden;}
.article-body th{background:var(--color-primary);color:var(--color-white);padding:14px 18px;text-align:left;font-weight:500;font-size:14px;}
.article-body td{padding:14px 18px;border-bottom:1px solid var(--color-border);background:var(--color-card);}
.article-body tr:nth-child(even) td{background:var(--color-accent-bg);}
.article-body tr:hover td{background:#f0e8db;}
.article-body hr{border:none;border-top:1px solid var(--color-border);margin:2em 0!important;}
.article-body code{background:var(--color-accent-bg);padding:2px 6px;border-radius:4px;font-size:.9em;color:var(--color-accent-dark);}
.article-body pre{background:var(--color-primary);color:#f5f3ef;padding:20px;border-radius:var(--radius-md);overflow-x:auto;font-size:14px;line-height:1.6;margin:2em 0!important;}
.article-body pre code{background:none;color:inherit;padding:0;}

/* 空状态 */
.article-empty{text-align:center;padding:80px 24px 100px;}
.article-empty__icon{display:flex;align-items:center;justify-content:center;width:72px;height:72px;border-radius:50%;background:var(--color-accent-bg);margin:0 auto 24px;color:var(--color-accent-dark);}
.article-empty h1{font-family:var(--font-serif);font-size:40px;margin-bottom:12px;color:var(--color-text);}
.article-empty p{font-size:16px;color:var(--color-text-secondary);margin-bottom:32px;max-width:400px;margin-left:auto;margin-right:auto;}
.article-empty .btn{min-width:160px;}

/* 相关推荐 */
.related-section{padding:72px 0 80px;background:var(--color-bg);border-top:1px solid var(--color-border);}
.section-tag{display:block;font-size:13px;font-weight:500;color:var(--color-accent-dark);letter-spacing:.08em;margin-bottom:8px;text-transform:uppercase;}
.related-header{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:40px;}
.related-title{font-family:var(--font-serif);font-size:32px;font-weight:700;color:var(--color-text);letter-spacing:.01em;}
.related-link{font-size:14px;color:var(--color-text-muted);display:inline-flex;align-items:center;gap:4px;transition:all .25s ease-out;}
.related-link:hover{color:var(--color-accent-dark);gap:8px;}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.related-card{background:var(--color-card);border:1px solid var(--color-border);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm);transition:all .3s ease-out;display:flex;flex-direction:column;text-decoration:none;color:var(--color-text);}
.related-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:var(--color-accent);text-decoration:none;color:var(--color-text);}
.related-card__img{position:relative;aspect-ratio:16/10;overflow:hidden;}
.related-card__img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease-out;}
.related-card:hover .related-card__img img{transform:scale(1.03);}
.related-card__tag{position:absolute;top:12px;left:12px;z-index:2;}
.related-card__body{padding:24px;display:flex;flex-direction:column;flex:1;}
.related-card__title{font-family:var(--font-serif);font-size:20px;font-weight:700;line-height:1.4;margin-bottom:12px;transition:color .25s ease-out;}
.related-card:hover .related-card__title{color:var(--color-accent-dark);}
.related-card__desc{font-size:14px;line-height:1.7;color:var(--color-text-secondary);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px;}
.related-card__meta{font-size:13px;color:var(--color-text-muted);display:flex;align-items:center;gap:8px;}
.related-card__arrow{margin-left:auto;color:var(--color-accent);transition:transform .25s ease-out;}
.related-card:hover .related-card__arrow{transform:translateX(4px);}

/* CTA */
.cta-section{padding:96px 0;}
.cta-box{background:var(--color-primary);border-radius:calc(var(--radius-md) + 4px);padding:80px 48px;text-align:center;position:relative;overflow:hidden;}
.cta-box::before{content:'HTH';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-family:var(--font-num);font-size:280px;font-weight:700;color:rgba(255,255,255,0.04);pointer-events:none;line-height:1;letter-spacing:.04em;}
.cta-box>*{position:relative;z-index:1;}
.cta-box h2{font-family:var(--font-serif);font-size:40px;font-weight:700;color:var(--color-white);margin-bottom:16px;letter-spacing:.02em;}
.cta-box p{font-size:16px;color:rgba(255,255,255,0.7);margin-bottom:36px;}
.cta-box .btn--accent{font-size:16px;height:48px;padding:0 40px;}

/* 页脚 */
.footer{background:#111;color:rgba(255,255,255,0.7);border-top:1px solid rgba(255,255,255,0.06);}
.footer__top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:48px;padding:72px 0 56px;}
.footer .logo{color:var(--color-white);}
.footer .logo-mark{background:rgba(255,255,255,0.1);color:var(--color-accent);}
.footer__brand-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,0.5);margin-top:20px;max-width:340px;}
.footer__social{display:flex;gap:12px;margin-top:24px;}
.footer__social-link{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,0.08);color:rgba(255,255,255,0.6);transition:all .25s ease-out;}
.footer__social-link:hover{background:var(--color-accent);color:var(--color-primary);}
.footer__col h4{font-size:15px;font-weight:600;color:var(--color-white);margin-bottom:20px;font-family:var(--font-serif);}
.footer__col ul{list-style:none;display:flex;flex-direction:column;gap:10px;}
.footer__col a{font-size:14px;color:rgba(255,255,255,0.55);transition:color .25s ease-out;}
.footer__col a:hover{color:var(--color-accent);}
.footer__bottom{border-top:1px solid rgba(255,255,255,0.06);padding:24px 0;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;}
.footer__bottom p{font-size:13px;color:rgba(255,255,255,0.35);}
.footer__icp a{color:rgba(255,255,255,0.35);transition:color .25s ease-out;}
.footer__icp a:hover{color:var(--color-accent);}

/* 响应式 */
@media (max-width:1023px){
  .header__nav{display:none;}
  .header__cta{display:none;}
  .header__burger{display:flex;align-items:center;justify-content:center;}
  .footer__top{grid-template-columns:1fr 1fr;gap:40px;}
  .related-grid{grid-template-columns:repeat(2,1fr);}
  .article-title{font-size:36px;}
  .cta-box{padding:64px 32px;}
  .cta-box h2{font-size:34px;}
}
@media (max-width:767px){
  .header__inner{height:var(--header-height-mobile);padding:0 16px;}
  .header__search{display:none;}
  .article-page{padding:32px 0 0;}
  .article-container{padding:0 16px;}
  .article-breadcrumb{margin-bottom:24px;}
  .article-title{font-size:30px;line-height:1.35;}
  .article-body p{font-size:16px;line-height:1.85;}
  .article-body h2{font-size:26px;padding-left:14px;}
  .article-body h3{font-size:22px;}
  .article-body blockquote{padding:16px 20px;}
  .article-body table{display:block;overflow-x:auto;}
  .related-section{padding:56px 0 64px;}
  .related-grid{grid-template-columns:1fr;}
  .related-header{flex-direction:column;gap:12px;}
  .related-title{font-size:28px;}
  .cta-section{padding:56px 0;}
  .cta-box{padding:48px 24px;}
  .cta-box h2{font-size:28px;}
  .cta-box p{font-size:14px;}
  .footer__top{grid-template-columns:1fr;gap:32px;padding:48px 0 32px;}
  .footer__bottom{flex-direction:column;justify-content:center;text-align:center;}
  .article-empty{padding:48px 16px 64px;}
  .article-empty h1{font-size:30px;}
}
@media (min-width:1200px){
  .container{padding-left:24px;padding-right:24px;}
}

/* roulang page: category2 */
:root {
  --color-primary: #141414;
  --color-bg: #F5F3EF;
  --color-card: #FFFFFF;
  --color-accent: #C69C5C;
  --color-accent-hover: #B98A4C;
  --color-text: #1A1A1A;
  --color-text-secondary: #5C5C5C;
  --color-text-muted: #8A8A8A;
  --color-border: #E6E2DB;
  --color-accent-bg: #F5EDDF;
  --color-success: #2E7D5B;
  --color-error: #B5473D;
  --color-info: #3B6C9E;
  --font-serif: "Songti SC", "Noto Serif CJK SC", "SimSun", "STSong", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", "Helvetica Neue", sans-serif;
  --font-decor: Georgia, "Times New Roman", serif;
  --radius-btn: 4px;
  --radius-card: 8px;
  --shadow-card: 0 8px 24px rgba(20,20,20,0.06);
  --shadow-card-hover: 0 16px 32px rgba(20,20,20,0.12);
  --container-max: 1200px;
  --spacing-section: 96px;
  --transition: all 0.35s ease-out;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color .3s ease; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input { font-family: inherit; }
ul, ol { list-style: none; }
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }

/* Header */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 64px;
  z-index: 1000;
  background: rgba(245,243,239,0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: background .3s ease, box-shadow .3s ease;
}
.header.is-scrolled {
  background: rgba(245,243,239,0.97);
  box-shadow: 0 1px 0 rgba(230,226,219,0.8);
}
.header__inner {
  max-width: var(--container-max);
  height: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.header__left { display: flex; align-items: center; gap: 40px; }
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  cursor: pointer;
}
.logo-mark {
  font-family: var(--font-decor);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.08em;
  line-height: 1;
}
.logo-text {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.header__nav { display: flex; gap: 28px; }
.nav-item {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-secondary);
  position: relative;
  padding: 6px 0;
  transition: color .3s ease;
  line-height: 1.4;
}
.nav-item::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--color-accent);
  transition: width .35s ease-out;
}
.nav-item:hover { color: var(--color-text); }
.nav-item:hover::after { width: 100%; }
.nav-item.is-active {
  color: var(--color-text);
  font-weight: 700;
}
.nav-item.is-active::after { width: 100%; }
.nav-item.is-active::before {
  content: '';
  position: absolute;
  left: -10px; top: 50%;
  transform: translateY(-50%);
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--color-accent);
}

.header__right { display: flex; align-items: center; gap: 12px; }
.header__search { position: relative; display: flex; align-items: center; }
.search-toggle {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-btn);
  color: var(--color-text-secondary);
  transition: background .3s, color .3s;
}
.search-toggle:hover { background: var(--color-accent-bg); color: var(--color-text); }
.search-panel {
  position: absolute;
  right: 40px; top: 50%;
  transform: translateY(-50%);
  width: 0;
  overflow: hidden;
  opacity: 0;
  transition: width .35s ease, opacity .3s ease;
}
.search-panel.is-open {
  width: 220px;
  opacity: 1;
}
.search-panel input {
  width: 100%;
  height: 38px;
  border: none;
  border-bottom: 1px solid var(--color-border);
  background: transparent;
  font-size: 13px;
  color: var(--color-text);
  padding: 0 4px;
  outline: none;
  transition: border-color .3s;
}
.search-panel input:focus { border-bottom-color: var(--color-accent); }

.header__cta { display: flex; gap: 8px; }
.header__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 36px;
  padding: 0 16px;
  border-radius: var(--radius-btn);
  font-size: 13px;
  font-weight: 600;
  transition: var(--transition);
  white-space: nowrap;
}
.header__btn--ghost {
  border: 1px solid var(--color-primary);
  color: var(--color-text);
  background: transparent;
}
.header__btn--ghost:hover { background: var(--color-primary); color: #fff; }
.header__btn--solid {
  background: var(--color-primary);
  color: #fff;
}
.header__btn--solid:hover { background: #000; box-shadow: 0 4px 16px rgba(20,20,20,0.2); }

.header__burger {
  display: none;
  width: 36px; height: 36px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-btn);
  color: var(--color-text);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: var(--color-bg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 32px;
  opacity: 0;
  visibility: hidden;
  transition: opacity .35s ease, visibility .35s ease;
}
.mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
}
.mobile-menu__top {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 64px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.mobile-menu__close {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  color: var(--color-text);
}
.mobile-menu__nav {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.mobile-menu__nav a {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.3;
  transition: color .3s;
}
.mobile-menu__nav a:hover { color: var(--color-accent); }
.mobile-menu__nav a.is-active { color: var(--color-accent); }
.mobile-menu__footer {
  position: absolute;
  bottom: 40px; left: 32px; right: 32px;
  display: flex;
  gap: 12px;
}

/* Hero */
.hero {
  min-height: 80vh;
  background: var(--color-bg);
  position: relative;
  overflow: hidden;
}
.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 80vh;
  align-items: stretch;
}
.hero__content {
  display: flex;
  align-items: center;
  padding: 120px 0 72px;
  position: relative;
  z-index: 2;
}
.hero__content-inner {
  max-width: 560px;
  position: relative;
  z-index: 2;
}
.hero__watermark {
  position: absolute;
  font-family: var(--font-decor);
  font-size: 260px;
  font-weight: 700;
  line-height: 1;
  color: rgba(20,20,20,0.03);
  top: 55%;
  left: -30px;
  transform: translateY(-50%);
  z-index: 0;
  pointer-events: none;
  user-select: none;
  letter-spacing: -0.04em;
}
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 16px;
  border: 1px solid rgba(198,156,92,0.3);
  padding: 4px 12px;
  border-radius: 100px;
  background: rgba(198,156,92,0.08);
}
.hero h1 {
  font-family: var(--font-serif);
  font-size: 52px;
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--color-text);
  margin-bottom: 16px;
}
.hero h1 .accent {
  color: var(--color-accent);
}
.hero__subtitle {
  font-size: 17px;
  line-height: 1.8;
  color: var(--color-text-secondary);
  margin-bottom: 32px;
  max-width: 460px;
}
.hero__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  padding: 0 32px;
  border-radius: var(--radius-btn);
  font-size: 14px;
  font-weight: 600;
  transition: var(--transition);
  line-height: 1;
  white-space: nowrap;
  gap: 8px;
}
.btn--solid {
  background: var(--color-primary);
  color: #fff;
  border: 1px solid var(--color-primary);
}
.btn--solid:hover {
  background: #000;
  border-color: #000;
  box-shadow: 0 8px 24px rgba(20,20,20,0.18);
  transform: translateY(-1px);
}
.btn--outline {
  background: transparent;
  color: var(--color-text);
  border: 1px solid rgba(20,20,20,0.3);
}
.btn--outline:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}
.btn--accent {
  background: var(--color-accent);
  color: #fff;
  border: 1px solid var(--color-accent);
}
.btn--accent:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  box-shadow: 0 8px 20px rgba(198,156,92,0.35);
  transform: translateY(-1px);
}
.btn--lg {
  height: 52px;
  padding: 0 40px;
  font-size: 15px;
}
.btn .arrow {
  transition: transform .3s ease;
}
.btn:hover .arrow { transform: translateX(4px); }

.hero__visual {
  position: relative;
  overflow: hidden;
  background: #222;
  min-height: 480px;
}
.hero__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
  transition: transform .6s ease-out;
}
.hero__visual:hover img { transform: scale(1.02); }
.hero__visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to left, rgba(20,20,20,0.65), rgba(20,20,20,0) 30%);
  mix-blend-mode: multiply;
}
.hero__visual-badge {
  position: absolute;
  bottom: 40px;
  right: 40px;
  z-index: 2;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.25);
  backdrop-filter: blur(8px);
  padding: 16px 24px;
  border-radius: var(--radius-card);
  color: #fff;
  font-size: 13px;
  line-height: 1.6;
}
.hero__visual-badge strong {
  font-size: 18px;
  display: block;
  font-family: var(--font-serif);
  margin-bottom: 4px;
}

/* Section Base */
.section {
  padding: var(--spacing-section) 0;
}
.section--alt { background: var(--color-card); }
.section--dark { background: var(--color-primary); }
.section__head {
  max-width: 640px;
  margin-bottom: 48px;
}
.section__head--center { margin-left: auto; margin-right: auto; text-align: center; }
.section__eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 12px;
  display: inline-block;
}
.section h2 {
  font-family: var(--font-serif);
  font-size: 34px;
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--color-text);
  margin-bottom: 12px;
}
.section__desc {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.8;
}
.section--dark .section__eyebrow { color: var(--color-accent); }
.section--dark .section h2 { color: #fff; }
.section--dark .section__desc { color: rgba(255,255,255,0.7); }

/* Activity Types */
.activity-types {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.activity-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 32px;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.activity-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-accent);
}
.activity-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 100%;
  background: var(--color-accent);
  opacity: 0;
  transition: opacity .3s ease;
}
.activity-card:hover::before { opacity: 1; }
.activity-card__icon {
  width: 56px; height: 56px;
  border-radius: var(--radius-card);
  background: var(--color-accent-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--color-accent);
}
.activity-card h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
  line-height: 1.4;
}
.activity-card p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.8;
}
.activity-card__tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-accent);
  background: var(--color-accent-bg);
  padding: 2px 10px;
  border-radius: 100px;
  margin-top: 16px;
}

/* Featured Activities */
.activities-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.activity-item {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.activity-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-accent);
}
.activity-item__cover {
  position: relative;
  height: 220px;
  overflow: hidden;
  background: #eee;
}
.activity-item__cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s ease-out;
}
.activity-item:hover .activity-item__cover img { transform: scale(1.05); }
.activity-item__badge {
  position: absolute;
  top: 16px; left: 16px;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(6px);
  font-size: 12px;
  font-weight: 700;
  color: var(--color-primary);
  padding: 4px 12px;
  border-radius: 100px;
  letter-spacing: 0.04em;
}
.activity-item__badge--hot {
  background: var(--color-accent);
  color: #fff;
}
.activity-item__body {
  padding: 24px 28px 28px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.activity-item__meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}
.activity-item__meta span {
  font-size: 12px;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}
.activity-item__meta .dot {
  width: 3px; height: 3px;
  border-radius: 50%;
  background: var(--color-text-muted);
  display: inline-block;
}
.activity-item h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
  line-height: 1.4;
}
.activity-item p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.75;
  flex: 1;
}
.activity-item__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent);
  margin-top: 16px;
  transition: gap .3s ease;
}
.activity-item__link:hover { gap: 10px; }

/* Process */
.process {
  position: relative;
}
.process__line {
  position: absolute;
  left: 32px;
  top: 20px;
  bottom: 20px;
  width: 1px;
  background: var(--color-border);
}
.process__item {
  position: relative;
  padding: 0 0 48px 88px;
}
.process__item:last-child { padding-bottom: 0; }
.process__item::before {
  content: '';
  position: absolute;
  left: 26px;
  top: 6px;
  width: 13px; height: 13px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 3px solid var(--color-bg);
  box-shadow: 0 0 0 1px var(--color-accent);
  z-index: 1;
}
.process__num {
  font-family: var(--font-decor);
  font-size: 48px;
  font-weight: 700;
  line-height: 1;
  color: rgba(198,156,92,0.35);
  margin-bottom: 10px;
  letter-spacing: -0.04em;
}
.process__item h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 6px;
}
.process__item p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.8;
  max-width: 480px;
}

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-card);
  overflow: hidden;
}
.stat-item {
  padding: 36px 32px;
  text-align: center;
  position: relative;
}
.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0; top: 25%; bottom: 25%;
  width: 1px;
  background: var(--color-border);
}
.stat-item__num {
  font-family: var(--font-decor);
  font-size: 44px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-primary);
  margin-bottom: 6px;
}
.stat-item__num span { color: var(--color-accent); }
.stat-item__label {
  font-size: 13px;
  color: var(--color-text-secondary);
}

/* FAQ */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid var(--color-border);
  position: relative;
}
.faq-item:first-child { border-top: 1px solid var(--color-border); }
.faq-item__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  text-align: left;
  padding: 24px 0;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  font-family: var(--font-sans);
  transition: color .3s;
}
.faq-item__q:hover { color: var(--color-accent); }
.faq-item__q::before {
  content: '';
  flex-shrink: 0;
  width: 4px;
  height: 16px;
  border-radius: 2px;
  background: var(--color-accent);
  align-self: flex-start;
  margin-top: 4px;
}
.faq-item__icon {
  flex-shrink: 0;
  width: 20px; height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform .35s ease;
  color: var(--color-text-muted);
}
.faq-item.is-open .faq-item__icon { transform: rotate(180deg); color: var(--color-accent); }
.faq-item__a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .45s ease-out, padding .3s ease;
  padding: 0 0 0 24px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-secondary);
}
.faq-item.is-open .faq-item__a {
  max-height: 300px;
  padding: 0 24px 24px;
}

/* CTA */
.cta {
  background: var(--color-primary);
  position: relative;
  overflow: hidden;
  padding: 96px 0;
  text-align: center;
}
.cta__watermark {
  position: absolute;
  font-family: var(--font-decor);
  font-size: 240px;
  font-weight: 700;
  line-height: 1;
  color: rgba(255,255,255,0.04);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  user-select: none;
  letter-spacing: -0.04em;
}
.cta__inner {
  position: relative;
  z-index: 2;
  max-width: 640px;
  margin: 0 auto;
  padding: 0 24px;
}
.cta h2 {
  font-family: var(--font-serif);
  font-size: 38px;
  line-height: 1.3;
  color: #fff;
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}
.cta p {
  font-size: 15px;
  color: rgba(255,255,255,0.7);
  margin-bottom: 32px;
  line-height: 1.8;
}
.cta .btn--accent {
  font-size: 15px;
  padding: 0 40px;
  height: 52px;
}

/* Footer */
.footer {
  background: #111;
  color: rgba(255,255,255,0.65);
  padding: 72px 0 0;
}
.footer__top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer .logo .logo-text { color: #fff; }
.footer__brand-desc {
  font-size: 13px;
  line-height: 1.8;
  color: rgba(255,255,255,0.5);
  margin-top: 16px;
  max-width: 300px;
}
.footer__social {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}
.footer__social-link {
  width: 34px; height: 34px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
  transition: all .3s ease;
}
.footer__social-link:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}
.footer__col h4 {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}
.footer__col ul li {
  margin-bottom: 10px;
}
.footer__col ul a {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  transition: color .3s, padding-left .3s;
  display: inline-block;
}
.footer__col ul a:hover {
  color: var(--color-accent);
  padding-left: 4px;
}
.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  font-size: 12px;
  color: rgba(255,255,255,0.35);
}
.footer__bottom a { color: rgba(255,255,255,0.35); }
.footer__bottom a:hover { color: var(--color-accent); }

/* Animations */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.anim-fade {
  opacity: 0;
  animation: fadeInUp .6s ease-out forwards;
}
.delay-1 { animation-delay: 0.08s; }
.delay-2 { animation-delay: 0.16s; }
.delay-3 { animation-delay: 0.24s; }

/* Responsive */
@media (max-width: 1023px) {
  :root { --spacing-section: 72px; }
  .header__nav { display: none; }
  .header__cta { display: none; }
  .header__burger { display: flex; }
  .hero__grid { grid-template-columns: 1fr; }
  .hero__content { padding-top: 100px; padding-bottom: 40px; }
  .hero__visual { min-height: 360px; order: -1; }
  .hero__visual::after { background: linear-gradient(to bottom, rgba(20,20,20,0.2), rgba(20,20,20,0.4)); }
  .hero__visual-badge { bottom: 20px; right: 20px; }
  .stat-item { padding: 24px 16px; }
  .stat-item__num { font-size: 34px; }
  .footer__top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 767px) {
  :root { --spacing-section: 64px; }
  .container { padding: 0 16px; }
  .header { height: 54px; }
  .header__inner { padding: 0 16px; }
  .logo-mark { font-size: 18px; }
  .logo-text { font-size: 16px; }
  .hero h1 { font-size: 32px; }
  .hero__subtitle { font-size: 15px; }
  .hero__actions { flex-direction: column; width: 100%; }
  .hero__actions .btn { width: 100%; }
  .hero__visual { min-height: 240px; }
  .hero__visual-badge { padding: 12px 16px; font-size: 12px; }
  .hero__visual-badge strong { font-size: 15px; }
  .section h2 { font-size: 26px; }
  .activity-types { grid-template-columns: 1fr; }
  .activities-grid { grid-template-columns: 1fr; }
  .activity-item__cover { height: 180px; }
  .process__item { padding-left: 64px; }
  .process__line { left: 24px; }
  .process__item::before { left: 18px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2)::after { display: none; }
  .stat-item:nth-child(1)::after, .stat-item:nth-child(2)::after {
    position: absolute; bottom: 0; top: auto; width: 60%; height: 1px;
  }
  .stat-item:nth-child(1)::after, .stat-item:nth-child(2)::after {
    content: '';
    position: absolute;
    bottom: 0; top: auto;
    left: 50%;
    transform: translateX(-50%);
    width: 40%;
    height: 1px;
    background: var(--color-border);
  }
  .faq-item__q { font-size: 15px; padding: 20px 0; }
  .faq-item__a { font-size: 13px; }
  .cta { padding: 72px 0; }
  .cta h2 { font-size: 28px; }
  .footer__top { grid-template-columns: 1fr; gap: 32px; }
  .footer__bottom { flex-direction: column; gap: 8px; text-align: center; }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__content { padding-top: 100px; }
  .hero__visual { min-height: 320px; }
  .hero__visual img { position: relative; height: 100%; }
  .activity-types { grid-template-columns: 1fr 1fr; }
}

/* roulang page: category3 */
:root {
  --color-ink: #141414;
  --color-bg: #F5F3EF;
  --color-white: #FFFFFF;
  --color-gold: #C69C5C;
  --color-gold-dark: #B98A4C;
  --color-text: #1A1A1A;
  --color-text-s: #5C5C5C;
  --color-text-dim: #8A8A8A;
  --color-border: #E6E2DB;
  --color-amber-bg: #F5EDDF;
  --color-success: #2E7D5B;
  --color-error: #B5473D;
  --color-info: #3B6C9E;
  --font-title: "Songti SC", "Noto Serif CJK SC", "SimSun", "STSong", serif;
  --font-body: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", "Helvetica Neue", sans-serif;
  --font-num: Georgia, "Times New Roman", serif;
  --radius-btn: 4px;
  --radius-card: 8px;
  --shadow-card: 0 8px 24px rgba(20, 20, 20, 0.06);
  --shadow-card-hover: 0 12px 32px rgba(20, 20, 20, 0.12);
  --container-w: 1200px;
  --gap-section: 112px;
  --transition: 0.35s ease-out;
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition), border-color var(--transition), background-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}
ul {
  list-style: none;
}
input {
  font-family: inherit;
}
.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
.section {
  padding: var(--gap-section) 0;
}
.section__header {
  margin-bottom: 56px;
  max-width: 680px;
}
.section__tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--color-gold-dark);
  text-transform: uppercase;
  margin-bottom: 14px;
  position: relative;
  padding-left: 16px;
}
.section__tag::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 14px;
  background: var(--color-gold);
}
.section__title {
  font-family: var(--font-title);
  font-size: 34px;
  line-height: 1.3;
  letter-spacing: 0.02em;
  color: var(--color-text);
}
.section__sub {
  margin-top: 16px;
  font-size: 16px;
  color: var(--color-text-s);
  line-height: 1.8;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 32px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn--primary {
  background: var(--color-ink);
  color: var(--color-white);
}
.btn--primary:hover {
  background: #000;
  box-shadow: 0 8px 20px rgba(20, 20, 20, 0.18);
  transform: translateY(-1px);
}
.btn--primary:active {
  transform: translateY(1px);
  box-shadow: none;
}
.btn--outline {
  background: transparent;
  color: var(--color-ink);
  border: 1px solid var(--color-ink);
}
.btn--outline:hover {
  background: var(--color-ink);
  color: var(--color-white);
}
.btn--outline:active {
  transform: translateY(1px);
}
.btn--gold {
  background: var(--color-gold);
  color: #fff;
}
.btn--gold:hover {
  background: var(--color-gold-dark);
  box-shadow: 0 8px 20px rgba(198, 156, 92, 0.3);
  transform: translateY(-1px);
}
.btn--gold:active {
  transform: translateY(1px) scale(0.99);
}
.btn--large {
  height: 52px;
  padding: 0 40px;
  font-size: 16px;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition), border-color var(--transition);
  border-bottom: 1px solid transparent;
}
.header.is-scrolled {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 4px 20px rgba(20, 20, 20, 0.04);
}
.header__inner {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 24px;
}
.header__left {
  display: flex;
  align-items: center;
  gap: 40px;
  flex: 1;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.logo-mark {
  width: 34px;
  height: 34px;
  background: var(--color-ink);
  color: var(--color-gold);
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
}
.logo span:last-child {
  font-family: var(--font-title);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--color-text);
}
.header__nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-item {
  position: relative;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-s);
  padding: 8px 2px;
  transition: color var(--transition);
}
.nav-item::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--color-gold);
  transition: width var(--transition);
}
.nav-item:hover {
  color: var(--color-text);
}
.nav-item:hover::after {
  width: 100%;
}
.nav-item.is-active {
  color: var(--color-text);
  font-weight: 700;
}
.nav-item.is-active::after {
  width: 100%;
}
.header__right {
  display: flex;
  align-items: center;
  gap: 16px;
}
.header__search {
  position: relative;
}
.search-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 4px;
  color: var(--color-text-s);
  transition: color var(--transition), background var(--transition);
}
.search-toggle:hover {
  color: var(--color-text);
  background: rgba(20, 20, 20, 0.05);
}
.search-panel {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 260px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 12px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: all var(--transition);
  box-shadow: var(--shadow-card);
}
.search-panel.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.search-panel input {
  width: 100%;
  height: 36px;
  border: none;
  border-bottom: 1px solid var(--color-border);
  background: transparent;
  font-size: 14px;
  color: var(--color-text);
  outline: none;
  transition: border-color var(--transition);
}
.search-panel input:focus {
  border-bottom-color: var(--color-gold);
}
.search-panel input::placeholder {
  color: var(--color-text-dim);
}
.header__cta {
  display: flex;
  gap: 10px;
}
.header__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 36px;
  padding: 0 20px;
  border-radius: var(--radius-btn);
  font-size: 14px;
  font-weight: 600;
  transition: all var(--transition);
}
.header__btn--ghost {
  border: 1px solid var(--color-border);
  color: var(--color-text);
  background: var(--color-white);
}
.header__btn--ghost:hover {
  border-color: var(--color-gold);
  color: var(--color-gold-dark);
}
.header__btn--solid {
  background: var(--color-ink);
  color: var(--color-white);
}
.header__btn--solid:hover {
  background: #000;
  box-shadow: 0 6px 16px rgba(20, 20, 20, 0.16);
}
.header__burger {
  display: none;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 4px;
  color: var(--color-text);
  transition: background var(--transition);
}
.header__burger:hover {
  background: rgba(20, 20, 20, 0.05);
}
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-bg);
  z-index: 99;
  padding: 90px 32px 40px;
  flex-direction: column;
  gap: 8px;
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}
.mobile-menu.is-open {
  display: flex;
  opacity: 1;
  visibility: visible;
}
.mobile-menu__close {
  position: absolute;
  top: 16px;
  right: 20px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
  font-size: 28px;
  line-height: 1;
}
.mobile-menu a.mobile-menu__link {
  font-family: var(--font-title);
  font-size: 30px;
  font-weight: 600;
  color: var(--color-text);
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
}
.mobile-menu a.mobile-menu__link.is-active {
  color: var(--color-gold-dark);
}
.mobile-menu__cta {
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Hero */
.hero {
  min-height: 72vh;
  display: flex;
  align-items: stretch;
  background: var(--color-bg);
  padding-top: 64px;
}
.hero__content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 24px 80px max(24px, calc((100vw - var(--container-w)) / 2 + 24px));
  position: relative;
  z-index: 2;
}
.hero__visual {
  flex: 1;
  position: relative;
  overflow: hidden;
  min-height: 420px;
}
.hero__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: heroZoom 0.6s ease-out both;
}
.hero__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--color-bg) 0%, transparent 40%);
  pointer-events: none;
}
@keyframes heroZoom {
  from { transform: scale(1.02); opacity: 0.9; }
  to { transform: scale(1); opacity: 1; }
}
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--color-gold-dark);
  margin-bottom: 20px;
  animation: fadeUp 0.5s ease-out both;
}
.hero__eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--color-gold);
}
.hero h1 {
  font-family: var(--font-title);
  font-size: 56px;
  line-height: 1.25;
  letter-spacing: 0.02em;
  color: var(--color-text);
  margin-bottom: 22px;
  animation: fadeUp 0.5s ease-out 0.08s both;
}
.hero h1 span {
  color: var(--color-gold-dark);
}
.hero__sub {
  font-size: 17px;
  line-height: 1.85;
  color: var(--color-text-s);
  max-width: 480px;
  margin-bottom: 36px;
  animation: fadeUp 0.5s ease-out 0.16s both;
}
.hero__actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  animation: fadeUp 0.5s ease-out 0.24s both;
}
.hero__meta {
  margin-top: 52px;
  display: flex;
  gap: 36px;
  animation: fadeUp 0.5s ease-out 0.32s both;
}
.hero__meta span {
  font-size: 13px;
  color: var(--color-text-dim);
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.hero__meta strong {
  font-family: var(--font-num);
  font-size: 22px;
  color: var(--color-text);
  font-weight: 600;
  letter-spacing: 0.01em;
}
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Features */
.features {
  background: var(--color-white);
}
.features__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.feature-card {
  padding: 32px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 0;
  background: var(--color-gold);
  transition: height var(--transition);
}
.feature-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
  background: var(--color-amber-bg);
  border-color: var(--color-gold);
}
.feature-card:hover::before {
  height: 100%;
}
.feature-card__num {
  font-family: var(--font-num);
  font-size: 28px;
  color: var(--color-gold-dark);
  font-weight: 600;
  margin-bottom: 16px;
  display: block;
}
.feature-card__title {
  font-family: var(--font-title);
  font-size: 21px;
  color: var(--color-text);
  margin-bottom: 10px;
}
.feature-card__desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--color-text-s);
}

/* Showcase / Guide detailed */
.guide {
  background: var(--color-bg);
}
.guide__block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 56px;
  margin-bottom: 88px;
}
.guide__block:last-child {
  margin-bottom: 0;
}
.guide__block--reverse .guide__media {
  order: 2;
}
.guide__media {
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  position: relative;
}
.guide__media img {
  width: 100%;
  height: 340px;
  object-fit: cover;
  transition: transform 0.5s ease-out;
}
.guide__block:hover .guide__media img {
  transform: scale(1.03);
}
.guide__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, transparent 60%, rgba(20, 20, 20, 0.2));
  pointer-events: none;
}
.guide__content .badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--color-gold-dark);
  background: var(--color-amber-bg);
  border-radius: 20px;
  padding: 5px 14px;
  margin-bottom: 18px;
  border: 1px solid rgba(198, 156, 92, 0.3);
}
.guide__content h3 {
  font-family: var(--font-title);
  font-size: 26px;
  line-height: 1.4;
  color: var(--color-text);
  margin-bottom: 16px;
}
.guide__content p {
  font-size: 15px;
  line-height: 1.85;
  color: var(--color-text-s);
  margin-bottom: 18px;
}
.guide__list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.guide__list li {
  position: relative;
  padding-left: 24px;
  font-size: 14px;
  color: var(--color-text-s);
  line-height: 1.7;
}
.guide__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-gold);
}
.guide__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 22px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-gold);
  padding-bottom: 4px;
}
.guide__link:hover {
  color: var(--color-gold-dark);
  gap: 10px;
}

/* Steps */
.steps {
  background: var(--color-ink);
  color: var(--color-white);
}
.steps .section__tag {
  color: var(--color-gold);
}
.steps .section__tag::before {
  background: var(--color-gold);
}
.steps .section__title {
  color: #fff;
}
.steps .section__sub {
  color: rgba(255, 255, 255, 0.7);
}
.steps__track {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 820px;
}
.steps__track::before {
  content: "";
  position: absolute;
  left: 24px;
  top: 20px;
  bottom: 20px;
  width: 1px;
  background: rgba(255, 255, 255, 0.2);
}
.step-item {
  position: relative;
  display: grid;
  grid-template-columns: 48px 1fr auto;
  gap: 28px;
  padding: 24px 0;
  align-items: start;
  transition: background var(--transition);
  border-radius: 8px;
  padding-left: 12px;
  padding-right: 12px;
}
.step-item:hover {
  background: rgba(255, 255, 255, 0.04);
}
.step-item__dot {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-ink);
  border: 1px solid var(--color-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}
.step-item__dot span {
  font-family: var(--font-num);
  font-size: 15px;
  font-weight: 600;
  color: var(--color-gold);
}
.step-item__body h3 {
  font-family: var(--font-title);
  font-size: 21px;
  color: #fff;
  margin-bottom: 8px;
}
.step-item__body p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.75;
  max-width: 560px;
}
.step-item__badge {
  align-self: center;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-gold);
  border: 1px solid rgba(198, 156, 92, 0.4);
  border-radius: 20px;
  padding: 4px 12px;
  white-space: nowrap;
}

/* Stats */
.stats {
  background: var(--color-white);
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  overflow: hidden;
}
.stats__item {
  padding: 40px 32px;
  text-align: center;
  background: var(--color-white);
  transition: background var(--transition);
  position: relative;
}
.stats__item:not(:last-child)::after {
  content: "";
  position: absolute;
  right: 0;
  top: 20%;
  height: 60%;
  width: 1px;
  background: var(--color-border);
}
.stats__item:hover {
  background: var(--color-amber-bg);
}
.stats__num {
  font-family: var(--font-num);
  font-size: 42px;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.2;
  margin-bottom: 8px;
}
.stats__num em {
  font-style: normal;
  color: var(--color-gold-dark);
}
.stats__label {
  font-size: 14px;
  color: var(--color-text-s);
}

/* Quote */
.quote {
  background: var(--color-amber-bg);
}
.quote__inner {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}
.quote__mark {
  font-family: var(--font-num);
  font-size: 64px;
  color: var(--color-gold);
  line-height: 1;
  margin-bottom: 8px;
}
.quote__text {
  font-family: var(--font-title);
  font-size: 24px;
  line-height: 1.6;
  color: var(--color-text);
  margin-bottom: 24px;
}
.quote__author {
  font-size: 14px;
  color: var(--color-text-s);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}
.quote__author::before,
.quote__author::after {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--color-gold);
}

/* FAQ */
.faq {
  background: var(--color-bg);
}
.faq__list {
  max-width: 820px;
  border-top: 1px solid var(--color-border);
}
.faq-item {
  border-bottom: 1px solid var(--color-border);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  padding: 26px 12px 26px 0;
  cursor: pointer;
  transition: background var(--transition);
}
.faq-question:hover {
  background: rgba(198, 156, 92, 0.06);
}
.faq-question__text {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-text);
  padding-left: 16px;
  position: relative;
  transition: color var(--transition);
}
.faq-question__text::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 14px;
  background: var(--color-gold);
  border-radius: 2px;
}
.faq-question__icon {
  width: 20px;
  height: 20px;
  position: relative;
  flex-shrink: 0;
  margin-left: 16px;
}
.faq-question__icon::before,
.faq-question__icon::after {
  content: "";
  position: absolute;
  background: var(--color-text-s);
  transition: transform var(--transition), opacity var(--transition);
}
.faq-question__icon::before {
  left: 4px;
  right: 4px;
  top: 9px;
  height: 2px;
}
.faq-question__icon::after {
  left: 9px;
  top: 4px;
  bottom: 4px;
  width: 2px;
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out;
}
.faq-answer__inner {
  padding: 0 12px 26px 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text-s);
}
.faq-item.is-open .faq-question__text {
  color: var(--color-gold-dark);
}
.faq-item.is-open .faq-question__icon::before {
  transform: scaleX(0);
}
.faq-item.is-open .faq-question__icon::after {
  transform: scaleY(0);
}
.faq-item.is-open .faq-answer {
  max-height: 400px;
}

/* CTA */
.cta {
  background: var(--color-ink);
  color: #fff;
  text-align: center;
  padding: 96px 0;
  position: relative;
  overflow: hidden;
}
.cta__watermark {
  position: absolute;
  font-family: var(--font-num);
  font-size: 160px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.05);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  white-space: nowrap;
  letter-spacing: 0.06em;
}
.cta h2 {
  font-family: var(--font-title);
  font-size: 38px;
  line-height: 1.4;
  margin-bottom: 16px;
  position: relative;
}
.cta p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 36px;
  position: relative;
}

/* Footer */
.footer {
  background: #111;
  color: rgba(255, 255, 255, 0.7);
}
.footer__top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding: 64px 0 48px;
}
.footer__brand .logo span:last-child {
  color: #fff;
}
.footer__brand-desc {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.55);
  margin: 20px 0 24px;
  max-width: 340px;
}
.footer__social {
  display: flex;
  gap: 12px;
}
.footer__social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  color: rgba(255, 255, 255, 0.75);
  transition: all var(--transition);
}
.footer__social-link:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
}
.footer__col h4 {
  font-family: var(--font-title);
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 20px;
}
.footer__col ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer__col a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
  transition: color var(--transition);
}
.footer__col a:hover {
  color: var(--color-gold);
}
.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

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

/* Responsive */
@media (max-width: 1024px) {
  :root {
    --gap-section: 88px;
  }
  .header__nav {
    display: none;
  }
  .header__cta {
    display: none;
  }
  .header__burger {
    display: inline-flex;
  }
  .mobile-menu {
    display: flex;
  }
  .hero {
    flex-direction: column;
    padding-top: 64px;
  }
  .hero__content {
    padding: 56px 24px 32px;
    max-width: 680px;
  }
  .hero__visual {
    min-height: 320px;
    width: 100%;
  }
  .hero__visual::after {
    background: linear-gradient(180deg, var(--color-bg) 0%, transparent 30%);
  }
  .guide__block {
    grid-template-columns: 1fr;
    gap: 32px;
    margin-bottom: 64px;
  }
  .guide__block--reverse .guide__media {
    order: 0;
  }
  .steps__track::before {
    left: 24px;
  }
  .step-item {
    grid-template-columns: 48px 1fr;
  }
  .step-item__badge {
    display: none;
  }
  .stats__grid {
    grid-template-columns: 1fr 1fr;
  }
  .stats__item:nth-child(2)::after {
    display: none;
  }
  .stats__item:nth-child(-n+2)::after {
    bottom: 0;
    top: auto;
    width: auto;
    height: 1px;
  }
  .footer__top {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 767px) {
  :root {
    --gap-section: 64px;
  }
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .header__inner {
    height: 54px;
    padding: 0 16px;
  }
  .hero {
    min-height: auto;
  }
  .hero__content {
    padding: 48px 16px 24px;
  }
  .hero h1 {
    font-size: 34px;
  }
  .hero__sub {
    font-size: 15px;
  }
  .hero__actions {
    flex-direction: column;
  }
  .hero__actions .btn {
    width: 100%;
  }
  .hero__meta {
    flex-wrap: wrap;
    gap: 20px;
  }
  .features__grid {
    grid-template-columns: 1fr;
  }
  .section__title {
    font-size: 26px;
  }
  .section__header {
    margin-bottom: 36px;
  }
  .guide__media img {
    height: 220px;
  }
  .guide__content h3 {
    font-size: 22px;
  }
  .step-item {
    grid-template-columns: 40px 1fr;
    gap: 20px;
  }
  .step-item__dot {
    width: 40px;
    height: 40px;
  }
  .steps__track::before {
    left: 20px;
  }
  .stats__grid {
    grid-template-columns: 1fr;
  }
  .stats__item:not(:last-child)::after {
    display: none;
  }
  .stats__item::after {
    content: "" !important;
    position: absolute !important;
    left: 20% !important;
    right: 20% !important;
    top: auto !important;
    bottom: 0 !important;
    height: 1px !important;
    width: 60% !important;
  }
  .stats__num {
    font-size: 34px;
  }
  .quote__text {
    font-size: 19px;
  }
  .cta {
    padding: 64px 0;
  }
  .cta h2 {
    font-size: 28px;
  }
  .footer__top {
    grid-template-columns: 1fr;
    gap: 36px;
    padding: 48px 0 32px;
  }
  .footer__bottom {
    flex-direction: column;
  }
  .feature-card {
    padding: 24px;
  }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* roulang page: category4 */
:root {
  --primary: #141414;
  --primary-dark: #111111;
  --bg: #F5F3EF;
  --card-bg: #FFFFFF;
  --accent: #C69C5C;
  --accent-hover: #B98A4C;
  --accent-light: #F5EDDF;
  --text-main: #1A1A1A;
  --text-sub: #5C5C5C;
  --text-muted: #8A8A8A;
  --border: #E6E2DB;
  --success: #2E7D5B;
  --error: #B5473D;
  --info: #3B6C9E;
  --radius-btn: 4px;
  --radius-card: 8px;
  --shadow-sm: 0 8px 24px rgba(20,20,20,0.06);
  --shadow-md: 0 12px 32px rgba(20,20,20,0.10);
  --container-max: 1200px;
  --header-h: 64px;
  --header-h-mobile: 54px;
  --section-gap: 112px;
  --serif: "Songti SC", "Noto Serif CJK SC", "SimSun", "STSong", serif;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", "Helvetica Neue", sans-serif;
  --num-font: Georgia, "Times New Roman", serif;
  --transition: 0.3s ease-out;
}

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

html {
  scroll-behavior: smooth;
}

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

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s ease-out;
}

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

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

.section-padding {
  padding-top: var(--section-gap);
  padding-bottom: var(--section-gap);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 32px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: all var(--transition);
  white-space: nowrap;
}

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

.btn--primary:hover {
  background: #000;
  box-shadow: 0 6px 18px rgba(20,20,20,0.22);
}

.btn--outline {
  background: transparent;
  border: 1px solid var(--primary);
  color: var(--primary);
}

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

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

.btn--accent:hover {
  background: var(--accent-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(198,156,92,0.30);
}

.btn__arrow {
  display: inline-block;
  margin-left: 8px;
  transition: transform 0.3s ease-out;
}

.btn:hover .btn__arrow {
  transform: translateX(4px);
}

.btn:active {
  transform: translateY(1px);
  box-shadow: none;
}

.btn:focus-visible {
  outline: 3px solid rgba(198,156,92,0.40);
  outline-offset: 2px;
}

/* ===== Header ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(245,243,239,0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease-out, box-shadow 0.3s ease-out;
}

.header.is-scrolled {
  border-bottom-color: var(--border);
  box-shadow: 0 4px 20px rgba(20,20,20,0.04);
}

.header__inner {
  max-width: var(--container-max);
  height: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__left {
  display: flex;
  align-items: center;
  gap: 36px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text-main);
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: var(--primary);
  color: #fff;
  font-family: var(--num-font);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  border-radius: 6px;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-item {
  position: relative;
  font-size: 14px;
  color: var(--text-sub);
  font-weight: 500;
  padding: 6px 2px;
  letter-spacing: 0.02em;
}

.nav-item::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--transition);
}

.nav-item:hover {
  color: var(--text-main);
}

.nav-item:hover::after {
  width: 100%;
}

.nav-item.is-active {
  color: var(--text-main);
  font-weight: 700;
}

.nav-item.is-active::after {
  width: 100%;
  background: var(--accent);
}

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

.header__search {
  position: relative;
}

.search-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: var(--text-main);
  transition: background 0.3s ease-out;
}

.search-toggle:hover {
  background: var(--accent-light);
}

.search-panel {
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  width: 240px;
  padding: 8px 12px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: all 0.3s ease-out;
}

.search-panel.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.search-panel input {
  width: 100%;
  height: 36px;
  border: none;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  font-family: inherit;
  color: var(--text-main);
  background: transparent;
  padding: 0 2px;
  outline: none;
  transition: border-color 0.3s ease-out;
}

.search-panel input:focus {
  border-bottom-color: var(--accent);
}

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

.header__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 34px;
  padding: 0 18px;
  border-radius: var(--radius-btn);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.03em;
  transition: all var(--transition);
}

.header__btn--ghost {
  border: 1px solid var(--border);
  color: var(--text-main);
  background: transparent;
}

.header__btn--ghost:hover {
  border-color: var(--primary);
  background: var(--primary);
  color: #fff;
}

.header__btn--solid {
  background: var(--primary);
  color: #fff;
}

.header__btn--solid:hover {
  background: #000;
  box-shadow: 0 4px 14px rgba(20,20,20,0.20);
}

.header__burger {
  display: none;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  color: var(--text-main);
}

.header__burger:hover {
  background: var(--accent-light);
}

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: var(--bg);
  z-index: 1001;
  padding: 24px;
  flex-direction: column;
}

.mobile-menu.is-open {
  display: flex;
}

.mobile-menu__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 48px;
}

.mobile-menu__nav {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mobile-menu__nav a {
  font-family: var(--serif);
  font-size: 28px;
  color: var(--text-main);
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
}

.mobile-menu__nav a.is-active {
  color: var(--accent);
}

.mobile-menu__bottom {
  margin-top: auto;
  display: flex;
  gap: 12px;
}

.mobile-menu__bottom .btn {
  flex: 1;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--bg);
}

.hero__banner {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(to right, rgba(20,20,20,0.82) 0%, rgba(20,20,20,0.45) 55%, rgba(20,20,20,0.25) 100%), url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center 40%;
  z-index: 1;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(245,243,239,0) 0%, rgba(245,243,239,0.08) 100%);
  z-index: 2;
}

.hero__watermark {
  position: absolute;
  right: 40px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--num-font);
  font-size: 280px;
  font-weight: 700;
  color: rgba(255,255,255,0.06);
  line-height: 1;
  z-index: 3;
  letter-spacing: -0.04em;
  pointer-events: none;
  user-select: none;
}

.hero__content {
  position: relative;
  z-index: 4;
  padding: 80px 0;
  max-width: 640px;
  animation: heroFadeUp 0.5s ease-out both;
}

@keyframes heroFadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.24);
  color: rgba(255,255,255,0.92);
  font-size: 13px;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 999px;
  letter-spacing: 0.04em;
  margin-bottom: 28px;
  backdrop-filter: blur(4px);
}

.hero__badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.hero h1 {
  font-family: var(--serif);
  font-size: 52px;
  line-height: 1.15;
  color: #fff;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-bottom: 20px;
}

.hero__subtitle {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255,255,255,0.88);
  margin-bottom: 36px;
  max-width: 520px;
}

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

.hero__actions .btn--accent {
  border: none;
}

.hero__actions .btn--outline {
  border-color: rgba(255,255,255,0.65);
  color: #fff;
}

.hero__actions .btn--outline:hover {
  background: #fff;
  border-color: #fff;
  color: var(--text-main);
}

.hero__stats {
  display: flex;
  gap: 40px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.18);
}

.hero__stat-item {
  display: flex;
  flex-direction: column;
}

.hero__stat-num {
  font-family: var(--num-font);
  font-size: 30px;
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
}

.hero__stat-label {
  font-size: 12px;
  color: rgba(255,255,255,0.65);
  letter-spacing: 0.06em;
  margin-top: 4px;
}

/* ===== Breadcrumb ===== */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--text-muted);
  transition: color 0.25s ease-out;
}

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

.breadcrumb-sep {
  opacity: 0.5;
  font-size: 12px;
}

/* ===== Section Heading ===== */
.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.section-heading h2 {
  font-family: var(--serif);
  font-size: 34px;
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text-main);
}

.section-heading h2 em {
  font-style: normal;
  color: var(--accent);
}

.section-heading__desc {
  max-width: 420px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-sub);
}

/* ===== Metrics ===== */
.metrics {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  padding: 28px 0;
}

.metrics__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}

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

.metrics__icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.metrics__icon svg {
  width: 18px;
  height: 18px;
  color: var(--accent);
}

.metrics__info {
  display: flex;
  flex-direction: column;
}

.metrics__num {
  font-family: var(--num-font);
  font-size: 22px;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.2;
}

.metrics__label {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.03em;
}

/* ===== Core Services ===== */
.core-services {
  background: var(--bg);
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.service-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 32px 30px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

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

.service-card--large {
  grid-row: span 2;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 360px;
  background: linear-gradient(to right, rgba(20,20,20,0.86) 0%, rgba(20,20,20,0.52) 100%), url('/assets/images/coverpic/cover-6.png') center/cover;
  border: none;
}

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

.service-card--large .service-card__tag {
  color: var(--accent);
  background: rgba(255,255,255,0.10);
  border: 1px solid rgba(198,156,92,0.45);
}

.service-card--large .service-card__title {
  color: #fff;
  font-size: 26px;
  margin-top: 16px;
}

.service-card--large .service-card__desc {
  color: rgba(255,255,255,0.78);
  margin-top: 12px;
  max-width: 420px;
}

.service-card--large .service-card__link {
  color: var(--accent);
  margin-top: 20px;
  font-weight: 600;
}

.service-card--large .service-card__link:hover .btn__arrow {
  transform: translateX(4px);
}

.service-card__tag {
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--accent);
  background: var(--accent-light);
  border-radius: 999px;
  padding: 4px 12px;
  margin-bottom: 16px;
}

.service-card__title {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
  line-height: 1.4;
}

.service-card__desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-sub);
}

.service-card__link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  margin-top: 16px;
  transition: color 0.25s ease-out, gap 0.25s ease-out;
}

.service-card__link:hover {
  color: var(--accent);
  gap: 8px;
}

/* ===== Process Timeline ===== */
.process-section {
  background: var(--primary);
  position: relative;
  overflow: hidden;
}

.process-section::before {
  content: "HTH";
  position: absolute;
  right: -40px;
  bottom: -80px;
  font-family: var(--num-font);
  font-size: 260px;
  color: rgba(255,255,255,0.05);
  line-height: 1;
  letter-spacing: -0.04em;
  pointer-events: none;
}

.process-section .section-heading h2 {
  color: #fff;
}

.process-section .section-heading__desc {
  color: rgba(255,255,255,0.60);
}

.process-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  max-width: 760px;
}

.process-steps::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: rgba(255,255,255,0.14);
}

.process-step {
  display: flex;
  gap: 28px;
  position: relative;
  padding: 24px 0;
}

.process-step__dot {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
  width: 41px;
  height: 41px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.process-step__dot::before {
  content: "";
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(198,156,92,0.16);
}

.process-step__num {
  position: absolute;
  left: 52px;
  top: 20px;
  font-family: var(--num-font);
  font-size: 14px;
  color: var(--accent);
}

.process-step__body {
  flex: 1;
  padding-top: 4px;
}

.process-step__title {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}

.process-step__desc {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255,255,255,0.65);
  max-width: 560px;
}

.process-step__num {
  left: auto;
  right: 0;
  top: 24px;
  font-size: 28px;
  font-weight: 700;
  opacity: 0.15;
}

/* ===== Scenarios ===== */
.scenarios {
  background: var(--bg);
}

.scenario-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 52px;
  align-items: center;
}

.scenario-image {
  border-radius: var(--radius-card);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-md);
}

.scenario-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 340px;
}

.scenario-image__caption {
  position: absolute;
  left: 20px;
  bottom: 20px;
  background: rgba(20,20,20,0.82);
  color: #fff;
  font-size: 13px;
  padding: 8px 16px;
  border-radius: 999px;
  letter-spacing: 0.03em;
  backdrop-filter: blur(4px);
}

.scenario-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.scenario-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 18px 20px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  transition: all var(--transition);
}

.scenario-item:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
  transform: translateX(4px);
}

.scenario-item__icon {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.scenario-item__icon svg {
  width: 17px;
  height: 17px;
  color: var(--accent);
}

.scenario-item h3 {
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 4px;
}

.scenario-item p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-sub);
}

/* ===== Security Params ===== */
.security-params {
  background: var(--card-bg);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

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

.param-card {
  border-right: 1px solid var(--border);
  padding: 0 24px;
}

.param-card:last-child {
  border-right: none;
}

.param-card__num {
  font-family: var(--num-font);
  font-size: 16px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 10px;
  letter-spacing: 0.04em;
}

.param-card h3 {
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
}

.param-card p {
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-sub);
}

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

.faq-list {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-item__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 0;
  cursor: pointer;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  font-family: inherit;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  transition: color 0.25s ease-out;
}

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

.faq-item__question-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.faq-item__q-index {
  font-family: var(--num-font);
  font-size: 13px;
  color: var(--accent);
  font-weight: 700;
}

.faq-item__icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: transform 0.3s ease-out, color 0.3s ease-out;
}

.faq-item.is-open .faq-item__icon {
  transform: rotate(180deg);
  color: var(--accent);
}

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out, padding 0.3s ease-out;
  padding: 0;
}

.faq-item.is-open .faq-item__answer {
  max-height: 320px;
  padding: 0 0 24px;
}

.faq-item__answer p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-sub);
  padding-left: 38px;
  max-width: 620px;
}

/* ===== CTA ===== */
.cta-section {
  background: var(--primary);
  position: relative;
  overflow: hidden;
  text-align: center;
  padding-top: 96px;
  padding-bottom: 96px;
}

.cta-section::before {
  content: "HTH";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--num-font);
  font-size: 280px;
  font-weight: 700;
  color: rgba(255,255,255,0.05);
  line-height: 1;
  pointer-events: none;
  white-space: nowrap;
}

.cta-section .container {
  position: relative;
  z-index: 2;
}

.cta-section h2 {
  font-family: var(--serif);
  font-size: 40px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.02em;
  margin-bottom: 16px;
}

.cta-section p {
  font-size: 15px;
  color: rgba(255,255,255,0.68);
  margin-bottom: 36px;
  max-width: 460px;
  margin-left: auto;
  margin-right: auto;
}

.cta-section .btn--accent {
  background: var(--accent);
  color: #fff;
}

.cta-section .btn--accent:hover {
  background: var(--accent-hover);
}

/* ===== Footer ===== */
.footer {
  background: #111111;
  color: rgba(255,255,255,0.72);
  padding-top: 64px;
  padding-bottom: 24px;
}

.footer__top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer__brand .logo {
  color: #fff;
  margin-bottom: 16px;
}

.footer__brand-desc {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255,255,255,0.55);
  max-width: 300px;
  margin-top: 12px;
}

.footer__social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.footer__social-link {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.55);
  transition: all 0.25s ease-out;
}

.footer__social-link:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(198,156,92,0.10);
}

.footer h4 {
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}

.footer ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer ul a {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  transition: color 0.25s ease-out;
}

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

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 24px;
  flex-wrap: wrap;
}

.footer__copyright {
  font-size: 13px;
  color: rgba(255,255,255,0.40);
}

.footer__icp {
  font-size: 13px;
  color: rgba(255,255,255,0.30);
}

/* ===== Disabled / Empty states ===== */
.btn:disabled {
  background: #CCCCCC;
  color: #999999;
  cursor: not-allowed;
  box-shadow: none;
}

.empty-state {
  padding: 48px 24px;
  text-align: center;
  background: var(--card-bg);
  border: 1px dashed var(--border);
  border-radius: var(--radius-card);
  color: var(--text-muted);
  font-size: 14px;
}

/* ===== Focus accessibility ===== */
a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(198,156,92,0.35);
  outline-offset: 2px;
}

/* ===== Responsive ===== */
@media (max-width: 1023px) {
  .header__nav {
    display: none;
  }

  .header__cta {
    display: none;
  }

  .header__burger {
    display: flex;
  }

  .hero h1 {
    font-size: 38px;
  }

  .hero__watermark {
    font-size: 180px;
  }

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

  .service-card--large {
    grid-row: span 1;
    min-height: 280px;
  }

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

  .params-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px 24px;
  }

  .param-card {
    border-right: none;
    padding: 0;
  }

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

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

@media (max-width: 767px) {
  :root {
    --section-gap: 72px;
    --header-h: var(--header-h-mobile);
  }

  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .header__inner {
    padding: 0 16px;
  }

  .hero {
    min-height: auto;
  }

  .hero__content {
    padding: 60px 0;
  }

  .hero h1 {
    font-size: 30px;
  }

  .hero__subtitle {
    font-size: 15px;
  }

  .hero__stats {
    flex-wrap: wrap;
    gap: 20px 30px;
  }

  .hero__watermark {
    display: none;
  }

  .section-heading {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .section-heading h2 {
    font-size: 26px;
  }

  .section-heading__desc {
    max-width: 100%;
    font-size: 14px;
  }

  .metrics__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .metrics__item {
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
  }

  .metrics__item:last-child {
    border-bottom: none;
  }

  .service-card {
    padding: 24px 20px;
  }

  .service-card--large {
    min-height: 240px;
  }

  .process-step__num {
    font-size: 22px;
  }

  .process-step {
    gap: 16px;
  }

  .scenario-item {
    flex-direction: column;
    gap: 10px;
  }

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

  .param-card {
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
  }

  .param-card:last-child {
    border-bottom: none;
    padding-bottom: 0;
  }

  .faq-item__question {
    font-size: 15px;
    padding: 20px 0;
  }

  .cta-section h2 {
    font-size: 28px;
  }

  .cta-section .btn {
    width: 100%;
  }

  .footer__top {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-bottom: 32px;
  }

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

  .hero__actions .btn {
    flex: 1;
    min-width: 140px;
    padding: 0 18px;
  }

  .mobile-menu__bottom .btn {
    font-size: 14px;
    padding: 0 12px;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .hero {
    min-height: auto;
  }

  .hero__content {
    padding: 72px 0;
  }

  .header__btn--ghost {
    display: inline-flex;
  }
}

@media (min-width: 1024px) {
  .mobile-menu {
    display: none !important;
  }
}