/* roulang page: index */
:root {
  --primary: #D96B23;
  --primary-hover: #B9551A;
  --primary-light: #FCE9D9;
  --secondary: #1F4A3D;
  --secondary-hover: #15342B;
  --bg: #F6F4EF;
  --card-bg: #FFFFFF;
  --text-main: #232721;
  --text-secondary: #67706A;
  --text-muted: #A5ADA7;
  --border: #E3DDD3;
  --danger: #D64545;
  --success: #2F9E6E;
  --radius-xs: 6px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --shadow-sm: 0 1px 3px rgba(31,74,61,0.06);
  --shadow-md: 0 6px 16px rgba(31,74,61,0.08);
  --shadow-lg: 0 12px 28px rgba(31,74,61,0.10);
  --space-section: 96px;
  --space-section-mobile: 64px;
  --font-sans: "PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

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

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

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

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 32px;
  padding-right: 32px;
}

@media (max-width: 900px) {
  .container {
    padding-left: 24px;
    padding-right: 24px;
  }
}

@media (max-width: 576px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
}

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

@media (max-width: 576px) {
  section {
    padding-top: var(--space-section-mobile);
    padding-bottom: var(--space-section-mobile);
  }
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary-light);
  color: var(--primary-hover);
  font-size: 13px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 999px;
  letter-spacing: 0.02em;
  margin-bottom: 16px;
}

.section-title {
  font-size: 28px;
  font-weight: 600;
  line-height: 1.25;
  color: var(--text-main);
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 560px;
  margin-bottom: 40px;
}

.section-head {
  margin-bottom: 40px;
}

/* ========== Header / Nav ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(227,221,211,0.8);
  height: 64px;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 24px;
}

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

.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: -0.02em;
}

.logo-text {
  font-size: 18px;
  font-weight: 700;
  color: var(--secondary);
  white-space: nowrap;
}

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

.main-nav a {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-main);
  position: relative;
  padding: 6px 2px;
  transition: color 0.25s ease;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s ease;
}

.main-nav a:hover {
  color: var(--primary);
}

.main-nav a.active {
  color: var(--primary);
}

.main-nav a.active::after {
  transform: scaleX(1);
  transform-origin: left;
}

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

.search-trigger {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 14px;
  color: var(--text-muted);
  font-size: 14px;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

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

.search-trigger kbd {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 5px;
  font-size: 11px;
  color: var(--text-muted);
  font-family: inherit;
}

.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}

.icon-btn:hover {
  background: var(--bg);
  border-color: var(--primary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 600;
  border-radius: 10px;
  padding: 12px 28px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.25s ease;
  white-space: nowrap;
}

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

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(217,107,35,0.25);
}

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

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
}

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

.btn-secondary:hover {
  background: var(--secondary-hover);
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(31,74,61,0.2);
}

.btn-hero-cta {
  padding: 14px 32px;
  font-size: 17px;
}

.btn-light-ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.6);
}

.btn-light-ghost:hover {
  background: rgba(255,255,255,0.1);
  border-color: #fff;
}

.nav-cta {
  background: var(--primary);
  color: #fff !important;
  border-radius: 10px;
  padding: 9px 20px !important;
  font-size: 14px !important;
  font-weight: 600;
}

.nav-cta:hover {
  background: var(--primary-hover);
}

.menu-toggle {
  display: none;
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  bottom: 0;
  background: #fff;
  z-index: 99;
  padding: 40px 32px;
  flex-direction: column;
  gap: 24px;
  overflow-y: auto;
}

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

.mobile-menu a {
  font-size: 20px;
  font-weight: 500;
  color: var(--text-main);
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}

.mobile-menu a.active {
  color: var(--primary);
}

@media (max-width: 900px) {
  .main-nav, .header-actions .search-trigger, .header-actions .icon-btn {
    display: none;
  }
  .menu-toggle {
    display: flex;
  }
  .nav-cta {
    display: inline-flex !important;
    font-size: 13px !important;
    padding: 7px 14px !important;
  }
}

/* ========== Hero ========== */
.hero {
  position: relative;
  padding: 80px 0 96px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -80px;
  width: 360px;
  height: 360px;
  background: var(--primary);
  opacity: 0.08;
  border-radius: 50%;
  z-index: 0;
}

.hero::after {
  content: '365';
  position: absolute;
  bottom: 20px;
  left: 20px;
  font-size: 200px;
  font-weight: 800;
  color: var(--primary);
  opacity: 0.04;
  line-height: 1;
  z-index: 0;
  letter-spacing: -0.04em;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-grid {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 60px;
  align-items: center;
}

.hero-content {
  max-width: 560px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-light);
  color: var(--primary-hover);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 20px;
}

.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
}

.hero h1 {
  font-size: 44px;
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 20px;
  color: var(--text-main);
  letter-spacing: -0.01em;
}

.hero h1 .highlight {
  color: var(--primary);
}

.hero-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 480px;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-visual {
  position: relative;
}

.hero-visual img {
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  object-fit: cover;
  aspect-ratio: 4/3;
}

.hero-float-card {
  position: absolute;
  bottom: 24px;
  left: -24px;
  background: #fff;
  border-radius: 14px;
  box-shadow: var(--shadow-lg);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--border);
}

.hero-float-card .float-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--secondary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.hero-float-card .float-text {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
}

.hero-float-card .float-sub {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.2;
}

@media (max-width: 900px) {
  .hero {
    padding: 56px 0 64px;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero h1 {
    font-size: 34px;
  }
  .hero-float-card {
    left: 12px;
  }
}

@media (max-width: 576px) {
  .hero {
    padding: 40px 0 48px;
  }
  .hero h1 {
    font-size: 28px;
  }
  .hero-subtitle {
    font-size: 16px;
  }
  .hero-ctas .btn {
    width: 100%;
  }
  .hero-float-card {
    position: static;
    margin-top: 16px;
  }
}

/* ========== Benefits / 阶梯 ========== */
.benefits-section {
  background: var(--bg);
}

.benefits-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.benefit-item {
  max-width: 620px;
}

.benefit-item:nth-child(2) {
  margin-left: 48px;
}

.benefit-item:nth-child(3) {
  margin-left: 96px;
}

@media (max-width: 900px) {
  .benefit-item:nth-child(2),
  .benefit-item:nth-child(3) {
    margin-left: 24px;
  }
}

@media (max-width: 576px) {
  .benefit-item:nth-child(2),
  .benefit-item:nth-child(3) {
    margin-left: 0;
  }
}

.benefit-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  position: relative;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
  overflow: hidden;
}

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

.benefit-card__number {
  font-size: 68px;
  font-weight: 800;
  line-height: 1;
  color: rgba(217,107,35,0.12);
  position: absolute;
  top: 20px;
  right: 24px;
  letter-spacing: -0.03em;
}

.benefit-card__name {
  font-size: 22px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 6px;
}

.benefit-card__desc {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.benefit-list {
  list-style: none;
  margin-bottom: 24px;
}

.benefit-list li {
  padding-left: 24px;
  position: relative;
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 10px;
}

.benefit-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
}

.benefit-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  font-weight: 600;
  color: var(--primary);
  transition: gap 0.25s ease;
}

.benefit-link:hover {
  gap: 10px;
  color: var(--primary-hover);
}

/* ========== Compare Table ========== */
.compare-section {
  background: #fff;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.compare-wrap {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
}

.compare-table th,
.compare-table td {
  padding: 18px 24px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 15px;
}

.compare-table thead th {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  background: var(--bg);
  padding-top: 22px;
  padding-bottom: 22px;
}

.compare-table thead th.col-plan {
  text-align: center;
}

.compare-table tbody th {
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg);
  font-size: 14px;
}

.compare-table tbody td {
  text-align: center;
  color: var(--text-secondary);
}

.compare-table .col-recommended {
  background: var(--secondary);
  color: #fff;
}

.compare-table .col-recommended td {
  color: rgba(255,255,255,0.9);
  border-bottom-color: rgba(255,255,255,0.12);
}

.compare-table .col-recommended tbody td {
  color: rgba(255,255,255,0.95);
}

.rec-badge {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 3px 12px;
  border-radius: 999px;
  margin-left: 8px;
  vertical-align: middle;
}

.compare-table .plan-name {
  font-size: 18px;
  font-weight: 700;
}

.compare-table .plan-price {
  font-size: 14px;
  font-weight: 400;
  color: var(--text-muted);
  margin-top: 4px;
}

.compare-table .col-recommended .plan-price {
  color: rgba(255,255,255,0.7);
}

.compare-actions {
  padding: 24px;
  background: var(--bg);
  display: flex;
  justify-content: flex-end;
  gap: 16px;
  flex-wrap: wrap;
}

.compare-actions .btn {
  min-width: 140px;
}

@media (max-width: 768px) {
  .compare-table th,
  .compare-table td {
    padding: 12px 14px;
    font-size: 13px;
  }
  .compare-table thead th {
    font-size: 14px;
    padding: 14px 10px;
  }
  .compare-actions {
    flex-direction: column;
  }
  .compare-actions .btn {
    width: 100%;
  }
}

/* ========== Limited Banner ========== */
.limited-section {
  padding: 0;
}

.limited-banner {
  background: var(--secondary);
  border-radius: var(--radius-xl);
  padding: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  position: relative;
  overflow: hidden;
  color: #fff;
}

.limited-banner::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 180px;
  height: 180px;
  border: 2px solid rgba(255,255,255,0.14);
  border-radius: 50%;
}

.limited-banner::after {
  content: '';
  position: absolute;
  bottom: -50px;
  left: 30%;
  width: 120px;
  height: 120px;
  border: 2px solid rgba(255,255,255,0.1);
  border-radius: 50%;
}

.limited-left {
  position: relative;
  z-index: 1;
}

.limited-left h2 {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 12px;
}

.limited-left p {
  font-size: 15px;
  color: rgba(255,255,255,0.8);
  margin-bottom: 24px;
  max-width: 420px;
  line-height: 1.7;
}

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

.countdown-item {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 14px 18px;
  text-align: center;
  min-width: 64px;
}

.countdown-item .num {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}

.countdown-item .label {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
  display: block;
}

.limited-right {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
}

@media (max-width: 900px) {
  .limited-banner {
    flex-direction: column;
    padding: 40px 32px;
  }
  .limited-right .btn {
    width: 100%;
  }
}

@media (max-width: 576px) {
  .limited-banner {
    padding: 32px 20px;
    border-radius: var(--radius-lg);
  }
  .countdown {
    flex-wrap: wrap;
  }
}

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

.news-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 40px;
}

.news-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  font-weight: 500;
  color: var(--secondary);
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.news-more:hover {
  color: var(--primary);
  border-color: var(--primary);
}

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

@media (max-width: 900px) {
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .news-grid {
    grid-template-columns: 1fr;
  }
}

.news-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow 0.3s ease, transform 0.25s ease;
  height: 100%;
  display: flex;
}

.news-card__inner {
  display: flex;
  flex-direction: column;
  width: 100%;
  transition: transform 0.25s ease;
}

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

.news-card__thumb {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--bg);
}

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

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

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

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

.tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary-hover);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 999px;
}

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

.news-card__title {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 10px;
  color: var(--text-main);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card__excerpt {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

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

.news-card__more .arrow {
  transition: transform 0.25s ease;
}

.news-card:hover .news-card__more .arrow {
  transform: translateX(3px);
}

.news-empty {
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.6);
  padding: 60px 24px;
  text-align: center;
  grid-column: 1 / -1;
}

.news-empty svg {
  margin: 0 auto 16px;
  color: var(--text-muted);
  width: 48px;
  height: 48px;
}

.news-empty p {
  font-size: 14px;
  color: var(--text-muted);
}

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

.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s;
}

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

.faq-item.active {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  transition: color 0.2s;
}

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

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

.faq-item .faq-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, color 0.2s, transform 0.3s;
  font-size: 16px;
  color: var(--text-secondary);
  position: relative;
}

.faq-item .faq-icon::before {
  content: '+';
  font-size: 18px;
  line-height: 1;
}

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

.faq-answer {
  padding: 0 24px 20px;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* ========== Contact Form ========== */
.contact-section {
  background: var(--bg);
}

.contact-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 60px;
  align-items: start;
}

.contact-info h2 {
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 16px;
}

.contact-info>p {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 360px;
  line-height: 1.7;
}

.contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-list li {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 15px;
  color: var(--text-secondary);
}

.contact-list .contact-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 18px;
  flex-shrink: 0;
}

.contact-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-sm);
}

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

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-main);
  margin-bottom: 8px;
}

.form-group .required {
  color: var(--danger);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0 14px;
  font-size: 15px;
  color: var(--text-main);
  background: #F3F1EC;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group textarea {
  height: auto;
  padding: 12px 14px;
  resize: vertical;
  min-height: 100px;
  line-height: 1.5;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(217,107,35,0.15);
}

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

@media (max-width: 900px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 576px) {
  .contact-card {
    padding: 24px;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .contact-grid {
    gap: 32px;
  }
}

/* ========== Footer ========== */
.site-footer {
  background: var(--secondary);
  color: rgba(255,255,255,0.85);
  padding-top: 64px;
  padding-bottom: 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .logo-text {
  color: #fff;
  font-size: 20px;
}

.footer-brand .logo-icon {
  background: var(--primary);
}

.footer-brand p {
  margin-top: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255,255,255,0.65);
  max-width: 240px;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 20px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col a {
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  transition: color 0.2s;
}

.footer-col a:hover {
  color: var(--primary);
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  line-height: 1.6;
}

.footer-contact li .footer-icon {
  color: var(--primary);
  font-size: 16px;
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.14);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}

.footer-bottom .footer-official {
  color: rgba(255,255,255,0.6);
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (max-width: 576px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* ========== Utility ========== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

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

/* ========== Responsive Nav ========== */
@media (max-width: 900px) {
  .main-nav {
    display: none;
  }
  .header-actions .search-trigger,
  .header-actions .icon-btn {
    display: none;
  }
  .menu-toggle {
    display: flex;
    margin-left: auto;
  }
  .header-actions {
    gap: 8px;
    margin-left: auto;
  }
  .header-actions .nav-cta {
    display: none;
  }
  .mobile-menu {
    display: none;
  }
  .mobile-menu.open {
    display: flex;
  }
}

@media (min-width: 901px) {
  .menu-toggle {
    display: none !important;
  }
  .mobile-menu {
    display: none !important;
  }
}

@media (max-width: 576px) {
  .header-actions .nav-cta {
    display: none;
  }
}

/* 移动端菜单按钮样式直接使用 icon-btn */

/* roulang page: category1 */
:root {
  --brand: #D96B23;
  --brand-hover: #B9551A;
  --deep: #1F4A3D;
  --deep-hover: #15342B;
  --bg: #F6F4EF;
  --card: #FFFFFF;
  --text: #232721;
  --text-sub: #67706A;
  --text-weak: #A5ADA7;
  --border: #E3DDD3;
  --danger: #D64545;
  --success: #2F9E6E;
  --badge-bg: #FCE9D9;
  --badge-text: #B9551A;
  --radius: 14px;
  --radius-sm: 10px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 3px rgba(31,74,61,0.06);
  --shadow-lg: 0 12px 28px rgba(31,74,61,0.10);
  --container: 1200px;
  --space-section: 96px;
  --font-sans: "PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-sans);
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,textarea,select{font:inherit;border:none;outline:none}
ul,ol{list-style:none}
.container{max-width:var(--container);margin:0 auto;padding:0 32px}

/* ========== Buttons ========== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 30px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:background .25s ease,border-color .25s ease,transform .25s ease,box-shadow .25s ease;
  text-align:center;white-space:nowrap;
}
.btn svg{width:16px;height:16px;flex-shrink:0}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-hover);transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.btn-primary:active{transform:translateY(0)}
.btn-secondary{background:#fff;border-color:var(--border);color:var(--text)}
.btn-secondary:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-2px)}

/* ========== Header ========== */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(246,244,239,.96);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(227,221,211,.85);
}
.header-inner{
  max-width:var(--container);margin:0 auto;padding:0 32px;
  display:flex;align-items:center;gap:32px;height:64px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-icon{
  width:36px;height:36px;border-radius:10px;
  background:var(--deep);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;letter-spacing:-.5px;
}
.logo-text{font-size:18px;font-weight:700;color:var(--deep);letter-spacing:.2px}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:8px}
.main-nav a{
  padding:8px 14px;border-radius:8px;
  font-size:15px;font-weight:500;color:var(--text-sub);
  transition:color .2s,background .2s;position:relative;
}
.main-nav a:hover{color:var(--text);background:rgba(31,74,61,.05)}
.main-nav a.active{
  color:var(--deep);font-weight:600;
}
.main-nav a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;
  height:2px;border-radius:2px;background:var(--brand);
}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:auto}
.search-box{
  display:flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--border);border-radius:10px;
  padding:7px 12px;width:210px;cursor:text;
  transition:border-color .2s,box-shadow .2s;
}
.search-box:hover,.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(217,107,35,.08)}
.search-box svg{width:15px;height:15px;color:var(--text-weak);flex-shrink:0}
.search-placeholder{font-size:13px;color:var(--text-weak);flex-shrink:0}
.search-box kbd{
  margin-left:auto;background:var(--bg);border:1px solid var(--border);
  border-radius:5px;font-size:11px;color:var(--text-weak);
  padding:2px 5px;font-family:var(--font-sans);
}
.header-cta{
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand);color:#fff;font-size:14px;font-weight:600;
  padding:9px 20px;border-radius:10px;transition:background .25s,transform .25s,box-shadow .25s;
  white-space:nowrap;
}
.header-cta:hover{background:var(--brand-hover);transform:translateY(-1px);box-shadow:var(--shadow-sm)}
.menu-toggle{
  display:none;background:none;border:none;cursor:pointer;
  width:40px;height:40px;border-radius:10px;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  margin-left:auto;transition:background .2s;
}
.menu-toggle:hover{background:rgba(31,74,61,.06)}
.menu-toggle span{width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .3s,opacity .3s}
.mobile-nav{
  display:none;
  background:#fff;border-top:1px solid var(--border);
  padding:16px 32px 32px;
}
.mobile-nav a{
  display:block;padding:14px 4px;font-size:16px;font-weight:500;color:var(--text);
  border-bottom:1px solid var(--border);text-align:left;
}
.mobile-nav a.active{color:var(--brand);font-weight:600}
.mobile-nav .mobile-cta{
  margin-top:20px;text-align:center;border:none;
  background:var(--brand);color:#fff;border-radius:10px;padding:14px;font-weight:600;
}
body.nav-open .mobile-nav{display:block}
body.nav-open .menu-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.nav-open .menu-toggle span:nth-child(2){opacity:0}
body.nav-open .menu-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ========== Page Banner ========== */
.page-banner{
  position:relative;
  background-image:linear-gradient(rgba(31,74,61,.88),rgba(21,52,43,.72)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  padding:88px 0 80px;color:#fff;overflow:hidden;
}
.breadcrumb{
  display:flex;align-items:center;gap:10px;font-size:14px;
  color:rgba(255,255,255,.7);margin-bottom:28px;
}
.breadcrumb a{transition:color .2s}
.breadcrumb a:hover{color:#fff}
.breadcrumb span{color:rgba(255,255,255,.4)}
.banner-content{max-width:680px;position:relative;z-index:2}
.banner-tag{
  display:inline-flex;align-items:center;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
  color:#fff;font-size:13px;font-weight:600;
  padding:6px 14px;border-radius:8px;margin-bottom:18px;
}
.banner-content h1{font-size:46px;line-height:1.2;font-weight:700;margin-bottom:16px;letter-spacing:.5px}
.banner-desc{font-size:18px;line-height:1.75;color:rgba(255,255,255,.85);margin-bottom:32px;max-width:600px}
.banner-actions{display:flex;gap:16px;flex-wrap:wrap}

/* ========== Stats ========== */
.stats-section{background:#fff;padding:56px 0;border-bottom:1px solid var(--border)}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  border-left:1px solid var(--border);
}
.stat-item{
  padding:24px 32px;border-right:1px solid var(--border);
  position:relative;transition:background .25s;
}
.stat-item:hover{background:rgba(217,107,35,.03)}
.stat-number{
  font-size:42px;font-weight:700;color:var(--deep);line-height:1.1;letter-spacing:-1px;
}
.stat-number span{font-size:24px;font-weight:600}
.stat-label{font-size:14px;color:var(--text-sub);margin-top:8px}

/* ========== Section Head ========== */
.section-head{
  max-width:660px;margin:0 auto 56px;text-align:center;
}
.section-tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;color:var(--badge-text);
  background:var(--badge-bg);padding:6px 14px;border-radius:8px;
}
.section-title{
  font-size:30px;font-weight:700;color:var(--text);
  line-height:1.25;margin:16px 0 12px;
}
.section-desc{font-size:16px;color:var(--text-sub);line-height:1.75}

/* ========== Timeline ========== */
.timeline-section{padding:var(--space-section) 0;background:var(--bg)}
.timeline{
  position:relative;max-width:820px;margin:0 auto;
  padding-left:0;list-style:none;
}
.timeline::before{
  content:"";position:absolute;left:28px;top:12px;bottom:12px;
  width:2px;background:var(--deep);opacity:.14;border-radius:2px;
}
.timeline-item{
  position:relative;padding:0 0 56px 88px;
}
.timeline-item:last-child{padding-bottom:0}
.timeline-number{
  position:absolute;left:0;top:0;
  width:58px;height:58px;border-radius:50%;
  background:var(--deep);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:700;box-shadow:0 0 0 6px rgba(31,74,61,.08),var(--shadow-sm);
  z-index:2;
}
.timeline-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:28px 32px;box-shadow:var(--shadow-sm);
  transition:box-shadow .3s,transform .3s,border-color .3s;
}
.timeline-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px);border-color:rgba(217,107,35,.3)}
.timeline-card h3{
  font-size:20px;font-weight:600;color:var(--text);margin-bottom:8px;
  display:flex;align-items:center;gap:10px;
}
.timeline-card h3::after{
  content:"";flex:1;height:1px;background:var(--border);
}
.timeline-card p{font-size:15px;color:var(--text-sub);line-height:1.75}
.timeline-list{
  display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;
}
.timeline-list li{
  font-size:13px;color:var(--text-sub);
  background:var(--bg);border:1px solid var(--border);
  padding:4px 12px;border-radius:6px;
}

/* ========== Alternating ========== */
.alt-section{padding:var(--space-section) 0;background:#fff}
.alternating-wrap{display:flex;flex-direction:column;gap:88px}
.alt-item{
  display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;
}
.alt-image{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-lg);border:1px solid var(--border);
}
.alt-image img{
  width:100%;height:380px;object-fit:cover;
  transition:transform .5s ease;
}
.alt-item:hover .alt-image img{transform:scale(1.03)}
.alt-image::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(31,74,61,0) 60%,rgba(31,74,61,.08));
}
.alt-content{
  padding:12px 0;
}
.alt-index{
  display:inline-flex;align-items:center;
  font-size:13px;font-weight:600;color:var(--brand);
  background:var(--badge-bg);padding:5px 12px;border-radius:6px;
  margin-bottom:14px;
}
.alt-content h3{font-size:26px;font-weight:600;line-height:1.3;margin-bottom:14px}
.alt-content p{font-size:15px;color:var(--text-sub);line-height:1.8;margin-bottom:20px}
.check-list{display:flex;flex-direction:column;gap:6px;margin-bottom:24px}
.check-list li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:14px;color:var(--text);line-height:1.6;
}
.check-list svg{width:18px;height:18px;color:var(--success);flex-shrink:0;margin-top:3px}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--brand);
  transition:gap .25s,color .25s;
}
.text-link:hover{color:var(--brand-hover);gap:10px}
.text-link .arrow{transition:transform .25s}
.alt-item.reverse .alt-image{order:2}
.alt-item.reverse .alt-content{order:1}

/* ========== Guarantee ========== */
.guarantee-section{padding:var(--space-section) 0;background:var(--bg)}
.guarantee-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:24px;max-width:940px;margin:0 auto;
}
.guarantee-card{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);padding:32px;
  box-shadow:var(--shadow-sm);
  transition:box-shadow .3s,transform .3s,border-color .3s;
  position:relative;
}
.guarantee-card:nth-child(even){transform:translateY(24px)}
.guarantee-card:hover{
  box-shadow:var(--shadow-lg);transform:translateY(-4px);border-color:rgba(217,107,35,.25);
}
.guarantee-card:nth-child(even):hover{transform:translateY(20px)}
.guarantee-icon{
  width:48px;height:48px;border-radius:12px;
  background:var(--badge-bg);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;
  margin-bottom:18px;
}
.guarantee-icon svg{width:24px;height:24px}
.guarantee-card h3{font-size:18px;font-weight:600;margin-bottom:8px}
.guarantee-card p{font-size:14px;color:var(--text-sub);line-height:1.75}

/* ========== CTA ========== */
.cta-section{
  position:relative;
  background-image:linear-gradient(rgba(21,52,43,.9),rgba(31,74,61,.82)),url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
  padding:80px 0;color:#fff;
}
.cta-inner{
  max-width:720px;margin:0 auto;text-align:center;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-lg);padding:48px 56px;
  backdrop-filter:blur(4px);
}
.cta-inner h2{font-size:32px;font-weight:700;margin-bottom:12px;letter-spacing:.3px}
.cta-inner p{font-size:16px;color:rgba(255,255,255,.8);margin-bottom:28px}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* ========== Footer ========== */
.site-footer{background:var(--deep);color:rgba(255,255,255,.75);padding:64px 0 32px}
.footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:48px;
  padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1);
  margin-bottom:28px;
}
.footer-brand .logo{color:#fff}
.footer-brand .logo .logo-icon{background:rgba(255,255,255,.14);color:#fff}
.footer-brand p{
  font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);
  margin-top:18px;max-width:300px;
}
.footer-col h4{
  font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{
  font-size:14px;color:rgba(255,255,255,.6);
  transition:color .2s;
}
.footer-col a:hover{color:var(--brand);}
.footer-contact li{
  display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.7);
}
.footer-icon{
  width:32px;height:32px;border-radius:8px;
  background:rgba(255,255,255,.08);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;
}
.footer-icon svg{width:16px;height:16px}
.copyright{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.45);
}
.copyright a{color:rgba(255,255,255,.45)}
.copyright a:hover{color:var(--brand)}

/* ========== Responsive ========== */
@media (max-width: 1024px){
  .header-inner{gap:16px;padding:0 24px}
  .main-nav{display:none}
  .header-actions .search-box{width:180px}
  .menu-toggle{display:flex}
  .header-cta{margin-left:auto}
  .header-actions{gap:10px}
  .alt-item{gap:40px}
  .alt-image img{height:340px}
}
@media (max-width: 900px){
  :root{--space-section:72px}
  .stats-grid{grid-template-columns:1fr 1fr;border-left:none}
  .stat-item{border:1px solid var(--border);border-radius:12px;margin:8px;padding:20px}
  .alt-item{grid-template-columns:1fr;gap:32px}
  .alt-item.reverse .alt-image{order:0}
  .alt-item.reverse .alt-content{order:0}
  .alt-image img{height:300px}
  .guarantee-grid{grid-template-columns:1fr}
  .guarantee-card:nth-child(even){transform:none}
  .guarantee-card:nth-child(even):hover{transform:translateY(-4px)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px}
  .cta-inner{padding:40px 32px}
}
@media (max-width: 576px){
  .container{padding:0 16px}
  .header-inner{padding:0 16px;gap:8px}
  .header-actions .search-box{display:none}
  .header-cta{padding:8px 16px;font-size:14px}
  .logo-text{font-size:16px}
  .page-banner{padding:64px 0 56px}
  .banner-content h1{font-size:32px}
  .banner-desc{font-size:16px}
  .banner-actions .btn{width:100%}
  .section-title{font-size:24px}
  .timeline::before{left:22px}
  .timeline-item{padding-left:66px;padding-bottom:40px}
  .timeline-number{width:46px;height:46px;font-size:15px}
  .timeline-card{padding:20px}
  .timeline-card h3{flex-direction:column;align-items:flex-start;gap:6px}
  .timeline-card h3::after{display:none}
  .alt-section{padding:64px 0}
  .alternating-wrap{gap:56px}
  .alt-item{gap:20px}
  .alt-image img{height:220px}
  .alt-content h3{font-size:22px}
  .guarantee-section{padding:64px 0}
  .guarantee-card{padding:24px}
  .guarantee-card:nth-child(even){transform:none}
  .guarantee-card:nth-child(even):hover{transform:translateY(-4px)}
  .cta-section{padding:64px 0}
  .cta-inner{padding:32px 20px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-brand p{max-width:100%}
  .copyright{flex-direction:column;text-align:center}
}

/* roulang page: article */
:root {
  --primary: #D96B23;
  --primary-dark: #B9551A;
  --primary-soft: #FCE9D9;
  --secondary: #1F4A3D;
  --secondary-dark: #15342B;
  --bg: #F6F4EF;
  --card: #FFFFFF;
  --text: #232721;
  --text-secondary: #67706A;
  --text-muted: #A5ADA7;
  --border: #E3DDD3;
  --danger: #D64545;
  --success: #2F9E6E;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 3px rgba(31,74,61,0.06);
  --shadow-lg: 0 12px 28px rgba(31,74,61,0.10);
  --nav-h: 64px;
  --content: 1200px;
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
  --transition: 0.2s ease;
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font-family: inherit;
  background: none;
  border: none;
  cursor: pointer;
}
input, textarea, select {
  font-family: inherit;
}
ul, ol {
  list-style: none;
}
::selection {
  background: var(--primary-soft);
  color: var(--primary-dark);
}
.container {
  width: 100%;
  max-width: var(--content);
  margin: 0 auto;
  padding: 0 32px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 24px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  transition: all var(--transition);
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}
.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}
.btn-outline {
  background: #fff;
  border-color: var(--border);
  color: var(--text);
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.btn-outline-light {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.4);
  color: #fff;
}
.btn-outline-light:hover {
  background: rgba(255,255,255,0.1);
  border-color: #fff;
}
.btn-sm {
  height: 36px;
  padding: 0 16px;
  border-radius: 8px;
  font-size: 13px;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(227,221,211,0.7);
}
.header-inner {
  display: flex;
  align-items: center;
  height: var(--nav-h);
  gap: 24px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--secondary);
  font-size: 18px;
  letter-spacing: 0.2px;
  flex-shrink: 0;
}
.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--secondary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
}
.logo-text {
  line-height: 1.2;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}
.main-nav a {
  padding: 8px 14px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 8px;
  transition: color var(--transition), background var(--transition);
  position: relative;
}
.main-nav a:hover {
  color: var(--primary);
  background: var(--primary-soft);
}
.main-nav a.active {
  color: var(--primary);
  font-weight: 600;
}
.main-nav a.active::after {
  content: '';
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 0;
  height: 3px;
  border-radius: 2px;
  background: var(--primary);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}
.search-trigger {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 36px;
  padding: 0 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text-muted);
  font-size: 13px;
  transition: border-color var(--transition), color var(--transition);
}
.search-trigger:hover {
  border-color: var(--primary);
  color: var(--text);
}
.search-trigger kbd {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 11px;
  font-family: inherit;
  color: var(--text-muted);
}
.menu-toggle {
  display: none;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #fff;
  align-items: center;
  justify-content: center;
  color: var(--text);
  transition: border-color var(--transition);
}
.menu-toggle:hover {
  border-color: var(--primary);
}
.mobile-menu {
  display: none;
}
.breadcrumb-wrap {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
}
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
}
.breadcrumb a {
  color: var(--text-secondary);
  transition: color var(--transition);
}
.breadcrumb a:hover {
  color: var(--primary);
}
.breadcrumb .separator {
  color: var(--border);
}
.breadcrumb .current {
  color: var(--text);
  font-weight: 500;
}
.page-main {
  padding: 48px 0 72px;
}
.article-layout {
  display: flex;
  align-items: flex-start;
  gap: 56px;
}
.article-column {
  flex: 1;
  min-width: 0;
  max-width: 760px;
}
.article-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 48px;
}
.article-header {
  margin-bottom: 36px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 28px;
}
.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 16px;
}
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  background: var(--primary-soft);
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 600;
}
.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
  font-size: 13px;
}
.article-header h1 {
  font-size: 36px;
  line-height: 1.3;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.2px;
}
.article-body {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
  word-break: break-word;
}
.article-body > * + * {
  margin-top: 1.5em;
}
.article-body h2 {
  font-size: 24px;
  line-height: 1.35;
  font-weight: 600;
  margin-top: 36px;
  margin-bottom: 12px;
  color: var(--text);
}
.article-body h3 {
  font-size: 20px;
  line-height: 1.4;
  font-weight: 600;
  margin-top: 28px;
  margin-bottom: 10px;
  color: var(--text);
}
.article-body p {
  line-height: 1.8;
}
.article-body a {
  color: var(--primary);
  text-decoration: underline;
  text-decoration-color: rgba(217,107,35,0.3);
  text-underline-offset: 4px;
  transition: color var(--transition);
}
.article-body a:hover {
  color: var(--primary-dark);
}
.article-body ul,
.article-body ol {
  padding-left: 1.4em;
}
.article-body ul {
  list-style: disc;
}
.article-body ol {
  list-style: decimal;
}
.article-body li {
  margin-bottom: 6px;
}
.article-body img {
  border-radius: var(--radius-md);
  margin: 24px 0;
}
.article-body blockquote {
  border-left: 4px solid var(--primary);
  background: var(--primary-soft);
  padding: 16px 20px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--text-secondary);
}
.article-body code {
  background: #EFECE6;
  border: 1px solid var(--border);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: ui-monospace, SFMono-Regular, "Cascadia Code", Consolas, monospace;
  font-size: 0.9em;
}
.article-body pre {
  background: var(--secondary);
  color: #F6F4EF;
  border-radius: var(--radius-md);
  padding: 20px;
  overflow-x: auto;
}
.article-body pre code {
  background: none;
  border: none;
  padding: 0;
  color: inherit;
}
.article-body hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 32px 0;
}
.article-body table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.article-body th,
.article-body td {
  border: 1px solid var(--border);
  padding: 10px 12px;
  text-align: left;
}
.article-body th {
  background: var(--bg);
  font-weight: 600;
}
.tag-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 28px;
  margin-top: 32px;
  border-top: 1px solid var(--border);
}
.tag-label {
  font-size: 14px;
  color: var(--text-muted);
}
.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 100px;
  background: var(--bg);
  border: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-secondary);
  transition: all var(--transition);
}
.tag:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-soft);
}
.post-pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 32px;
}
.pager-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: #fff;
  transition: all var(--transition);
}
.pager-link:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}
.pager-link.next {
  justify-content: flex-end;
  text-align: right;
}
.pager-link small {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 2px;
}
.pager-link strong {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  transition: color var(--transition);
}
.pager-link:hover strong {
  color: var(--primary);
}
.pager-arrow {
  color: var(--primary);
  display: inline-flex;
  flex-shrink: 0;
}
.article-toc {
  width: 220px;
  flex-shrink: 0;
  position: sticky;
  top: 96px;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
  border-left: 1px solid var(--border);
  padding-left: 20px;
}
.article-toc::-webkit-scrollbar {
  width: 4px;
}
.article-toc::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}
.toc-title {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 12px;
}
.article-toc-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.article-toc-list a {
  display: block;
  padding: 6px 0;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
  transition: color var(--transition), font-weight var(--transition);
}
.article-toc-list a:hover {
  color: var(--primary);
}
.article-toc-list a.active {
  color: var(--primary);
  font-weight: 600;
}
.toc-h3 {
  padding-left: 12px;
  font-size: 12px;
}
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
  background: var(--card);
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
  color: var(--text-muted);
}
.empty-state svg {
  margin-bottom: 16px;
  color: var(--text-muted);
}
.empty-state p {
  font-size: 15px;
  margin-bottom: 24px;
}
.related-section {
  padding: 64px 0;
  border-top: 1px solid var(--border);
}
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}
.section-header h2 {
  font-size: 28px;
  font-weight: 600;
  color: var(--text);
}
.more-link {
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--transition);
}
.more-link:hover {
  gap: 8px;
}
.related-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.related-item {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  transition: all var(--transition);
}
.related-item:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  border-color: rgba(217,107,35,0.3);
}
.related-item img {
  width: 96px;
  height: 96px;
  object-fit: cover;
  border-radius: 12px;
  flex-shrink: 0;
}
.related-item h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
  line-height: 1.5;
  transition: color var(--transition);
}
.related-item:hover h3 {
  color: var(--primary);
}
.related-item span {
  font-size: 13px;
  color: var(--text-muted);
}
.article-cta {
  background: var(--secondary);
  padding: 56px 0;
  color: #fff;
}
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.cta-inner h2 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 8px;
  color: #fff;
}
.cta-inner p {
  color: rgba(255,255,255,0.75);
  font-size: 14px;
  line-height: 1.7;
}
.cta-actions {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
}
.site-footer {
  background: var(--secondary);
  color: rgba(255,255,255,0.75);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2.2fr 1fr 1fr 1.2fr;
  gap: 48px;
}
.footer-brand .logo {
  color: #fff;
  margin-bottom: 16px;
}
.footer-brand .logo-icon {
  background: var(--primary);
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255,255,255,0.6);
  max-width: 300px;
}
.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 16px;
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col a {
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  transition: color var(--transition);
}
.footer-col a:hover {
  color: var(--primary);
}
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
}
.footer-icon {
  color: var(--primary);
  display: inline-flex;
  flex-shrink: 0;
}
.footer-bottom {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.12);
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}
@media (max-width: 1024px) {
  .article-toc {
    display: none;
  }
  .article-layout {
    gap: 32px;
  }
  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 40px 32px;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
}
@media (max-width: 900px) {
  .container {
    padding: 0 24px;
  }
  .main-nav {
    display: none;
  }
  .search-trigger {
    width: 36px;
    padding: 0;
    justify-content: center;
  }
  .search-trigger span,
  .search-trigger kbd {
    display: none;
  }
  .menu-toggle {
    display: inline-flex;
  }
  .header-actions .btn-sm {
    display: none;
  }
  .mobile-menu {
    display: block;
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 16px 24px 24px;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.25s ease, opacity 0.25s ease;
    z-index: 99;
    box-shadow: 0 16px 32px rgba(31,74,61,0.08);
  }
  .mobile-menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .mobile-nav {
    display: flex;
    flex-direction: column;
    gap: 0;
  }
  .mobile-nav a {
    padding: 16px 8px;
    font-size: 17px;
    font-weight: 500;
    color: var(--text);
    border-bottom: 1px solid var(--border);
    transition: color var(--transition);
  }
  .mobile-nav a:hover {
    color: var(--primary);
  }
  .mobile-nav a.active {
    color: var(--primary);
    font-weight: 600;
  }
  .mobile-menu .btn {
    margin-top: 16px;
    width: 100%;
  }
}
@media (max-width: 768px) {
  .article-card {
    padding: 28px 20px;
  }
  .article-header h1 {
    font-size: 28px;
  }
  .post-pager {
    grid-template-columns: 1fr;
  }
  .cta-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .cta-actions {
    width: 100%;
  }
  .cta-actions .btn {
    flex: 1;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 576px) {
  .container {
    padding: 0 16px;
  }
  .page-main {
    padding: 32px 0 56px;
  }
  .article-card {
    border-radius: var(--radius-md);
    padding: 24px 16px;
  }
  .article-meta {
    gap: 10px;
  }
  .article-header h1 {
    font-size: 24px;
  }
  .article-body table {
    display: block;
    overflow-x: auto;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .cta-actions {
    flex-direction: column;
  }
  .cta-actions .btn {
    width: 100%;
  }
  .related-item {
    flex-direction: column;
    align-items: flex-start;
  }
  .related-item img {
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
  }
  .breadcrumb-wrap {
    padding: 10px 0;
  }
}

/* roulang page: category2 */
:root {
  --primary: #D96B23;
  --primary-hover: #B9551A;
  --primary-light: #FCE9D9;
  --dark: #1F4A3D;
  --dark-hover: #15342B;
  --bg: #F6F4EF;
  --white: #FFFFFF;
  --text: #232721;
  --text-secondary: #67706A;
  --text-muted: #A5ADA7;
  --border: #E3DDD3;
  --red: #D64545;
  --green: #2F9E6E;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --shadow-sm: 0 1px 3px rgba(31,74,61,0.06);
  --shadow-lg: 0 12px 28px rgba(31,74,61,0.10);
  --font-family: "PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font-family);font-size:16px;line-height:1.75;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,h5,h6{margin:0;line-height:1.25;font-weight:600;color:var(--text)}
p{margin:0}
a{color:var(--dark);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary)}
img{max-width:100%;height:auto;display:block}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:var(--font-family);cursor:pointer;border:none;background:none}
.container{max-width:1200px;margin:0 auto;padding:0 32px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;font-size:15px;font-weight:600;padding:14px 28px;line-height:1;transition:all .22s ease;border:1px solid transparent;white-space:nowrap}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-hover);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(217,107,35,0.25)}
.btn-outline{background:var(--white);border:1px solid var(--border);color:var(--text)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);background:#fff}
.btn-dark{background:var(--dark);color:#fff}
.btn-dark:hover{background:var(--dark-hover);color:#fff}
.tag{display:inline-flex;align-items:center;padding:5px 14px;border-radius:8px;background:var(--primary-light);color:var(--primary-hover);font-size:13px;font-weight:600;line-height:1.4}
.section{padding:96px 0}
.section-head{max-width:640px;margin-bottom:56px}
.section-eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:0.06em;color:var(--primary);margin-bottom:12px}
.section-title{font-size:28px;font-weight:600;color:var(--text);line-height:1.25}
.section-sub{font-size:16px;color:var(--text-secondary);margin-top:16px;line-height:1.7}
.section-head-center{margin-left:auto;margin-right:auto;text-align:center}

/* ===== Header ===== */
.site-header{position:sticky;top:0;z-index:100;height:64px;background:rgba(255,255,255,0.96);border-bottom:1px solid var(--border);backdrop-filter:blur(12px)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:24px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-icon{width:38px;height:38px;border-radius:10px;background:var(--dark);color:#fff;font-size:14px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;letter-spacing:-0.02em}
.logo-text{font-size:19px;font-weight:700;color:var(--dark);letter-spacing:-0.01em}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{position:relative;padding:8px 16px;font-size:15px;font-weight:500;color:var(--text-secondary);border-radius:8px;transition:color .2s}
.main-nav a:hover{color:var(--primary)}
.main-nav a.active{color:var(--dark);font-weight:600}
.main-nav a.active::after{content:"";position:absolute;left:16px;right:16px;bottom:0;height:2px;border-radius:2px;background:var(--primary)}
.header-actions{display:flex;align-items:center;gap:12px}
.search-trigger{display:flex;align-items:center;gap:8px;height:36px;padding:0 12px;border:1px solid var(--border);border-radius:10px;background:var(--bg);color:var(--text-muted);font-size:13px;transition:border-color .2s;min-width:180px}
.search-trigger:hover{border-color:var(--primary)}
.search-trigger kbd{margin-left:auto;padding:2px 6px;border:1px solid var(--border);border-radius:4px;font-size:11px;font-family:inherit;color:var(--text-muted);background:var(--white)}
.nav-toggle{display:none;flex-direction:column;gap:5px;padding:8px;border-radius:8px}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--text);border-radius:2px;transition:all .25s}

/* ===== Hero ===== */
.help-hero{background:var(--bg);padding:72px 0 88px;position:relative;overflow:hidden}
.help-hero::before{content:"";position:absolute;top:-80px;right:-100px;width:380px;height:380px;border-radius:50%;background:rgba(217,107,35,0.08)}
.help-hero::after{content:"365";position:absolute;right:40px;bottom:-30px;font-size:160px;font-weight:700;color:rgba(31,74,61,0.04);line-height:1;pointer-events:none}
.help-hero .container{position:relative;z-index:2}
.help-hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.help-hero-content .section-eyebrow{margin-bottom:16px}
.help-hero h1{font-size:42px;font-weight:700;line-height:1.25;letter-spacing:-0.02em;color:var(--text)}
.help-hero h1 span{color:var(--primary)}
.help-hero-sub{font-size:17px;color:var(--text-secondary);margin-top:20px;line-height:1.7;max-width:460px}
.hero-search{display:flex;gap:8px;margin-top:32px;max-width:480px}
.hero-search input{flex:1;height:48px;padding:0 16px;border:1px solid var(--border);border-radius:10px;font-size:15px;font-family:var(--font-family);color:var(--text);background:var(--white);transition:border-color .2s,box-shadow .2s}
.hero-search input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(217,107,35,0.15)}
.hero-search input::placeholder{color:var(--text-muted)}
.hero-search .btn{height:48px;padding:0 20px;flex-shrink:0}
.help-hero-media{position:relative}
.help-hero-media img{width:100%;height:300px;object-fit:cover;border-radius:20px;box-shadow:var(--shadow-lg)}
.help-hero-media::after{content:"";position:absolute;inset:0;border-radius:20px;box-shadow:inset 0 0 0 1px rgba(255,255,255,0.2)}
.hero-float{position:absolute;bottom:-18px;left:24px;background:var(--white);border-radius:12px;box-shadow:var(--shadow-lg);padding:14px 18px;display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-secondary);border:1px solid var(--border)}
.hero-float .hero-float-icon{width:36px;height:36px;border-radius:10px;background:var(--primary-light);display:flex;align-items:center;justify-content:center;color:var(--primary)}
.hero-float strong{display:block;color:var(--text);font-size:14px}

/* ===== Support channels ===== */
.support-section{background:var(--white);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.support-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:24px;margin-top:48px}
.support-item{position:relative;background:var(--bg);border:1px solid var(--border);border-radius:16px;padding:32px;transition:all .25s;overflow:hidden}
.support-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:transparent}
.support-item:nth-child(2){transform:translateY(24px)}
.support-item:nth-child(2):hover{transform:translateY(21px)}
.support-item:nth-child(3){transform:translateY(48px)}
.support-item:nth-child(3):hover{transform:translateY(45px)}
.support-item .support-icon{width:48px;height:48px;border-radius:12px;background:var(--primary-light);display:flex;align-items:center;justify-content:center;color:var(--primary);margin-bottom:20px}
.support-item h3{font-size:18px;font-weight:600;margin-bottom:8px}
.support-item p{font-size:14px;color:var(--text-secondary);line-height:1.6;margin-bottom:16px}
.support-item a{font-size:14px;font-weight:600;color:var(--primary)}
.support-item a:hover{color:var(--primary-hover)}

/* ===== FAQ section ===== */
.faq-section{background:var(--bg)}
.faq-layout{display:grid;grid-template-columns:5fr 7fr;gap:64px}
.faq-side .sticky-top{position:sticky;top:100px}
.faq-side h2{font-size:28px;font-weight:600;line-height:1.3;margin-bottom:16px}
.faq-side p{color:var(--text-secondary);font-size:15px;line-height:1.7;margin-bottom:28px;max-width:320px}
.faq-tags{display:flex;flex-wrap:wrap;gap:8px}
.faq-item{background:var(--white);border:1px solid var(--border);border-radius:12px;margin-bottom:12px;overflow:hidden;transition:border-color .2s,box-shadow .2s}
.faq-item:hover{border-color:var(--primary)}
.faq-item[open]{box-shadow:var(--shadow-sm)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;cursor:pointer;font-size:16px;font-weight:600;color:var(--text);list-style:none;transition:color .2s}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--primary)}
.faq-item summary .faq-icon{flex-shrink:0;width:28px;height:28px;border-radius:8px;border:1px solid var(--border);display:flex;align-items:center;justify-content:center;color:var(--text-muted);transition:all .25s;font-size:16px}
.faq-item[open] summary .faq-icon{background:var(--primary);border-color:var(--primary);color:#fff;transform:rotate(45deg)}
.faq-item .faq-answer{padding:0 24px 24px;color:var(--text-secondary);font-size:15px;line-height:1.75}

/* ===== Metrics ===== */
.metrics-section{background:var(--dark);color:#fff;border-radius:0}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:48px}
.metric-item{text-align:center}
.metric-number{font-size:40px;font-weight:700;color:#fff;line-height:1.2;letter-spacing:-0.02em}
.metric-number span{color:var(--primary);font-size:22px;margin-left:2px}
.metric-label{margin-top:8px;font-size:14px;color:rgba(255,255,255,0.65);line-height:1.5}
.metric-divider{width:32px;height:2px;background:var(--primary);margin:16px auto 0;border-radius:2px}

/* ===== Resources ===== */
.resources-section{background:var(--white);border-top:1px solid var(--border)}
.resources-grid{display:grid;grid-template-columns:3fr 2fr;gap:24px}
.resource-card{display:flex;align-items:center;gap:24px;background:var(--bg);border:1px solid var(--border);border-radius:16px;padding:28px;transition:all .25s}
.resource-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}
.resource-card .resource-img{flex-shrink:0;width:120px;height:90px;border-radius:12px;object-fit:cover}
.resource-card h3{font-size:17px;font-weight:600;margin-bottom:6px}
.resource-card p{font-size:13px;color:var(--text-secondary);line-height:1.5;margin-bottom:10px}
.resource-card .tag{font-size:12px;padding:3px 10px}
.resource-card a.arrow-link{font-size:14px;font-weight:600;color:var(--primary)}
.resource-card a.arrow-link:hover{color:var(--primary-hover)}
.resource-feature{background:var(--dark);border-color:var(--dark);color:#fff;position:relative;overflow:hidden}
.resource-feature::before{content:"VIP";position:absolute;right:-10px;top:-10px;font-size:80px;font-weight:700;color:rgba(255,255,255,0.06);line-height:1}
.resource-feature h3{color:#fff}
.resource-feature p{color:rgba(255,255,255,0.65)}
.resource-feature .tag{background:rgba(217,107,35,0.2);color:#FCE9D9}
.resource-feature a.arrow-link{color:#FCE9D9}
.resource-feature a.arrow-link:hover{color:#fff}
.resource-feature .resource-img{width:120px;height:90px;border-radius:12px;object-fit:cover}

/* ===== CTA ===== */
.cta-banner{background:var(--dark);padding:56px 0;border-radius:20px;margin:96px 0 0;position:relative;overflow:hidden}
.cta-banner::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,0.25),transparent)}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;padding:0 56px;position:relative;z-index:2}
.cta-content h2{font-size:26px;font-weight:600;color:#fff;margin-bottom:8px}
.cta-content p{font-size:15px;color:rgba(255,255,255,0.7);line-height:1.6}
.cta-actions{display:flex;gap:12px;flex-shrink:0}

/* ===== Footer ===== */
.site-footer{background:var(--dark);color:rgba(255,255,255,0.75);padding-top:64px;padding-bottom:32px;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:48px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,0.1)}
.footer-brand .logo-text{color:#fff}
.footer-brand p{font-size:14px;color:rgba(255,255,255,0.6);line-height:1.7;margin-top:16px;max-width:260px}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:20px}
.footer-col ul li{margin-bottom:12px}
.footer-col ul a{color:rgba(255,255,255,0.65);font-size:14px;transition:color .2s}
.footer-col ul a:hover{color:#FCE9D9}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;margin-bottom:16px;color:rgba(255,255,255,0.65);font-size:14px}
.footer-icon{display:flex;align-items:center;justify-content:center;width:20px;height:20px;color:#FCE9D9;flex-shrink:0;margin-top:2px}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;padding-top:24px;flex-wrap:wrap;gap:12px}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,0.5)}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .search-trigger{min-width:120px}
  .search-trigger span{display:none}
  .help-hero h1{font-size:36px}
  .faq-layout{grid-template-columns:1fr;gap:40px}
}
@media (max-width:900px){
  .container{padding:0 24px}
  .help-hero-grid{grid-template-columns:1fr;gap:44px}
  .help-hero-media img{height:280px}
  .support-grid{grid-template-columns:1fr;gap:16px}
  .support-item:nth-child(2),.support-item:nth-child(3){transform:none}
  .resources-grid{grid-template-columns:1fr}
  .metrics-grid{grid-template-columns:2fr 2fr;gap:32px}
  .footer-grid{grid-template-columns:2fr 1fr 1fr;gap:32px}
  .cta-inner{flex-direction:column;text-align:center;padding:0 32px}
  .nav-toggle{display:flex}
  .main-nav{position:fixed;top:64px;left:0;right:0;background:var(--white);flex-direction:column;padding:24px;border-bottom:1px solid var(--border);opacity:0;visibility:hidden;transform:translateY(-8px);transition:all .25s;z-index:99}
  .main-nav.open{opacity:1;visibility:visible;transform:none}
  .main-nav a{padding:12px;font-size:16px;width:100%;text-align:center}
  .header-actions .search-trigger{display:none}
}
@media (max-width:576px){
  .container{padding:0 16px}
  .section{padding:64px 0}
  .help-hero{padding:56px 0 72px}
  .help-hero h1{font-size:30px}
  .help-hero-sub{font-size:15px}
  .hero-search{flex-direction:column;gap:12px}
  .hero-search .btn{width:100%}
  .help-hero-media img{height:220px}
  .hero-float{bottom:-14px;left:16px;padding:10px 14px}
  .support-item,.faq-item summary{padding-left:20px;padding-right:20px}
  .metrics-grid{grid-template-columns:1fr 1fr;gap:24px}
  .metric-number{font-size:30px}
  .resource-card{flex-direction:column;align-items:flex-start;gap:16px}
  .resource-card .resource-img{width:100%;height:140px}
  .resource-feature .resource-img{width:100%}
  .cta-banner{padding:48px 0;margin:64px 0 0}
  .cta-inner{padding:0 20px}
  .cta-actions{flex-direction:column;width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;text-align:center}
}