/* roulang page: index */
:root {
  --primary: #F58B3F;
  --primary-dark: #E2742A;
  --accent: #FFF5E9;
  --accent-light: #FFE3C2;
  --text: #3B2A20;
  --text-light: #6B5D54;
  --border: #EAE2DA;
  --green: #7A9B76;
  --bg: #FFF8F0;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow: 0 8px 24px rgba(59, 42, 32, 0.08);
  --shadow-hover: 0 12px 32px rgba(59, 42, 32, 0.14);
  --transition: all 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.75;
  font-size: 16px;
}

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

a:hover {
  color: var(--primary-dark);
}

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

ul {
  list-style: none;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== Header & Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 248, 240, 0.92);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  box-shadow: 0 2px 12px rgba(59, 42, 32, 0.06);
}

.nav-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 20px;
  gap: 20px;
}

.logo {
  font-size: 24px;
  font-weight: 800;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.logo i {
  color: var(--primary);
  font-size: 26px;
}

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

.nav-toggle {
  display: none;
  background: none;
  font-size: 22px;
  color: var(--text);
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
}

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

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

.nav-menu a {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  padding: 6px 2px;
  position: relative;
  transition: var(--transition);
}

.nav-menu a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.2s ease;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--primary);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
  width: 100%;
}

.nav-location {
  position: relative;
}

.location-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1.5px solid var(--text);
  background: transparent;
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.location-btn i {
  color: var(--primary);
}

.location-btn:hover {
  background: var(--accent);
  border-color: var(--primary);
}

.location-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: #fff;
  border-radius: 12px;
  box-shadow: var(--shadow-hover);
  padding: 8px;
  min-width: 160px;
  display: none;
  z-index: 200;
}

.location-dropdown.show {
  display: block;
}

.location-dropdown a {
  display: block;
  padding: 8px 14px;
  border-radius: 8px;
  color: var(--text);
  font-size: 14px;
  cursor: pointer;
}

.location-dropdown a:hover {
  background: var(--accent);
  color: var(--primary);
}

.location-bar {
  background: var(--accent);
  border-top: 1px solid var(--border);
  padding: 6px 20px;
  font-size: 13px;
  color: var(--text-light);
  text-align: center;
}

.location-bar i {
  color: var(--primary);
  margin-right: 4px;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: 80px 0 100px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(59, 42, 32, 0.82), rgba(245, 139, 63, 0.65)), url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
  z-index: 0;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 60px;
}

.hero-text {
  flex: 1.1;
}

.hero-text h1 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  line-height: 1.25;
  color: #fff;
  margin-bottom: 20px;
}

.hero-text .hero-sub {
  font-size: 17px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.92);
  margin-bottom: 28px;
  max-width: 520px;
}

.hero-buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  line-height: 1.4;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 16px rgba(245, 139, 63, 0.35);
}

.btn-primary:hover {
  background: var(--primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(245, 139, 63, 0.45);
}

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

.btn-primary:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(245, 139, 63, 0.25);
}

.btn-outline {
  background: transparent;
  border: 1.5px solid rgba(255, 255, 255, 0.8);
  color: #fff;
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  border-color: #fff;
}

.btn-outline:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
}

.hero-stats {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}

.hero-stats span {
  color: rgba(255, 255, 255, 0.85);
  font-size: 14px;
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.hero-stats strong {
  font-size: 26px;
  color: #fff;
  font-weight: 800;
}

.hero-visual {
  flex: 0.9;
  position: relative;
}

.hero-visual img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  aspect-ratio: 16/10;
  object-fit: cover;
}

.play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 72px;
  height: 72px;
  background: rgba(245, 139, 63, 0.92);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 24px;
  cursor: pointer;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
  transition: var(--transition);
}

.play-btn:hover {
  transform: translate(-50%, -50%) scale(1.1);
  background: var(--primary);
}

.hero-countdown {
  position: absolute;
  bottom: 20px;
  right: 20px;
  background: rgba(255, 255, 255, 0.92);
  border-radius: 999px;
  padding: 8px 18px;
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-countdown i {
  color: var(--primary);
}

.hero-countdown span {
  color: var(--primary);
  font-family: "Courier New", monospace;
  font-weight: 800;
}

/* ===== Section Common ===== */
.section-padding {
  padding: 80px 0;
}

.section-head {
  margin-bottom: 48px;
}

.section-head h2 {
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 800;
  color: var(--text);
  margin-bottom: 12px;
  line-height: 1.3;
  position: relative;
  padding-left: 16px;
}

.section-head h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 4px;
  background: var(--primary);
  border-radius: 4px;
}

.section-head p {
  color: var(--text-light);
  font-size: 16px;
  max-width: 640px;
  line-height: 1.75;
}

/* ===== Services ===== */
.services {
  padding: 80px 0;
  background: #fff;
}

.services .section-head h2 {
  text-align: left;
}

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

.service-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  position: relative;
  background: #fff;
}

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

.service-card-primary {
  border-top: 4px solid var(--primary);
  box-shadow: var(--shadow);
  background: #fff;
}

.service-card-accent {
  background: var(--accent);
  border: 1.5px solid var(--border);
  box-shadow: none;
}

.service-card-cream {
  background: var(--bg);
  border: 1.5px solid var(--accent-light);
  box-shadow: none;
  position: relative;
  padding-left: 12px;
}

.service-card-cream::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  bottom: 20px;
  width: 4px;
  background: var(--green);
  border-radius: 4px;
}

.service-card-white {
  border-bottom: 4px solid var(--accent-light);
  box-shadow: var(--shadow);
  background: #fff;
}

.service-card-image {
  width: 100%;
  height: 160px;
  object-fit: cover;
  overflow: hidden;
}

.service-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.service-card:hover .service-card-image img {
  transform: scale(1.05);
}

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

.service-card-body h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.service-card-body h3 i {
  color: var(--primary);
}

.service-card-body p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.65;
  margin-bottom: 14px;
}

.service-card-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: var(--transition);
}

.service-card-link:hover {
  gap: 8px;
  color: var(--primary-dark);
}

/* ===== Stats ===== */
.stats-section {
  background: var(--accent);
  padding: 64px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-item strong {
  font-size: 44px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
  margin-bottom: 6px;
}

.stat-item span {
  font-size: 14px;
  color: var(--text-light);
}

/* ===== News ===== */
.news-section {
  padding: 80px 0;
  background: #fff;
}

.news-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 48px;
}

.news-list {
  border-top: 2px solid var(--border);
}

.news-item {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.news-item:hover {
  background: var(--accent);
  padding-left: 12px;
  border-radius: 8px;
}

.news-item .date {
  font-size: 13px;
  color: var(--text-light);
  background: var(--accent);
  border-radius: 999px;
  padding: 4px 12px;
  white-space: nowrap;
  font-weight: 600;
}

.news-item a {
  color: var(--text);
  font-size: 15px;
  font-weight: 500;
  flex: 1;
  line-height: 1.5;
}

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

.news-item .tag {
  font-size: 12px;
  color: var(--green);
  background: rgba(122, 155, 118, 0.12);
  padding: 3px 10px;
  border-radius: 999px;
  white-space: nowrap;
}

.news-sidebar {
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid var(--border);
}

.news-sidebar h4 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 10px;
}

.news-sidebar h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 32px;
  height: 3px;
  background: var(--primary);
  border-radius: 3px;
}

.news-sidebar .tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.news-sidebar .tag-cloud a {
  padding: 6px 14px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 13px;
  color: var(--text);
  transition: var(--transition);
}

.news-sidebar .tag-cloud a:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.news-sidebar .hot-list li {
  padding: 8px 0;
  border-bottom: 1px dashed var(--border);
  font-size: 14px;
}

.news-sidebar .hot-list li:last-child {
  border-bottom: none;
}

.news-sidebar .hot-list a {
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.news-sidebar .hot-list a i {
  color: var(--primary);
  font-size: 12px;
}

.news-sidebar .hot-list a:hover {
  color: var(--primary);
}

/* ===== Cases ===== */
.cases-section {
  padding: 80px 0;
  background: var(--bg);
}

.case-row {
  display: flex;
  align-items: center;
  gap: 48px;
  margin-bottom: 56px;
}

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

.case-row.reverse {
  flex-direction: row-reverse;
}

.case-image {
  flex: 1;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.case-image img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.case-row:hover .case-image img {
  transform: scale(1.03);
}

.case-image .play-overlay {
  position: absolute;
  inset: 0;
  background: rgba(59, 42, 32, 0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.case-image .play-overlay i {
  width: 56px;
  height: 56px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
  transition: var(--transition);
}

.case-row:hover .play-overlay i {
  transform: scale(1.15);
  background: var(--primary-dark);
}

.case-image .duration-badge {
  position: absolute;
  bottom: 14px;
  right: 14px;
  background: rgba(0, 0, 0, 0.65);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
}

.case-text {
  flex: 1;
}

.case-text .case-tag {
  display: inline-block;
  padding: 4px 14px;
  background: var(--accent-light);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 12px;
}

.case-text h3 {
  font-size: 24px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 12px;
}

.case-text p {
  color: var(--text-light);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 20px;
}

.case-text .case-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: var(--primary);
  font-size: 15px;
}

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

/* ===== Plans ===== */
.plans-section {
  padding: 80px 0;
  background: #fff;
}

.plans-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.plan-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-left: 5px solid var(--primary);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition);
  position: relative;
}

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

.plan-card .plan-update {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 12px;
  background: var(--accent-light);
  color: var(--primary-dark);
  padding: 4px 12px;
  border-radius: 999px;
  font-weight: 600;
}

.plan-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 14px;
}

.plan-card ul {
  margin-bottom: 20px;
}

.plan-card ul li {
  font-size: 14px;
  color: var(--text-light);
  padding: 4px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.plan-card ul li i {
  color: var(--green);
  font-size: 14px;
}

.plan-card .plan-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: 1.5px solid var(--text);
  padding: 8px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  transition: var(--transition);
}

.plan-card .plan-btn:hover {
  background: var(--accent);
  border-color: var(--primary);
  color: var(--primary);
}

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

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.accordion-item {
  background: #fff;
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  box-shadow: 0 2px 10px rgba(59, 42, 32, 0.04);
  border: 1px solid var(--border);
  overflow: hidden;
}

.accordion-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  cursor: pointer;
  transition: var(--transition);
}

.accordion-title:hover {
  color: var(--primary);
}

.accordion-title .acc-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  transition: transform 0.2s ease;
}

.accordion-item.is-active .accordion-title .acc-icon {
  transform: rotate(180deg);
}

.accordion-content {
  padding: 0 24px 20px;
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.75;
}

.accordion-content p {
  padding-top: 4px;
  border-top: 1px dashed var(--border);
}

/* ===== Contact ===== */
.contact-section {
  padding: 80px 0;
  background: #fff;
}

.contact-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
}

.contact-info {
  background: var(--accent);
  border-radius: var(--radius-lg);
  padding: 36px;
  border: 1px solid var(--border);
}

.contact-info h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text);
}

.contact-info .info-row {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 20px;
  font-size: 15px;
  color: var(--text);
}

.contact-info .info-row i {
  color: var(--primary);
  font-size: 18px;
  margin-top: 4px;
  width: 20px;
  text-align: center;
}

.contact-info .info-row span {
  line-height: 1.6;
}

.contact-info .info-row small {
  display: block;
  color: var(--text-light);
  font-size: 13px;
}

.contact-form {
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: 36px;
  border: 1px solid var(--border);
}

.contact-form h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.contact-form .form-desc {
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: 24px;
}

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

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

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  background: #fff;
  color: var(--text);
  font-size: 14px;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(245, 139, 63, 0.15);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.submit-btn {
  width: 100%;
  padding: 14px;
  background: var(--primary);
  color: #fff;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

.submit-btn:hover {
  background: var(--primary-dark);
  box-shadow: 0 6px 20px rgba(245, 139, 63, 0.35);
}

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

.submit-btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(245, 139, 63, 0.25);
}

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

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand h3 {
  font-size: 24px;
  color: #fff;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-brand h3 i {
  color: var(--primary);
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.6);
  max-width: 320px;
}

.footer-col h4 {
  font-size: 16px;
  color: #fff;
  margin-bottom: 18px;
  font-weight: 700;
}

.footer-col a {
  display: block;
  padding: 5px 0;
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  transition: var(--transition);
}

.footer-col a:hover {
  color: var(--primary);
  padding-left: 6px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
  flex-wrap: wrap;
  gap: 10px;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .news-layout {
    grid-template-columns: 1fr 300px;
  }
  .hero-inner {
    flex-direction: column;
    gap: 40px;
  }
  .hero-text h1 {
    font-size: 30px;
  }
  .hero-visual {
    width: 100%;
  }
  .plans-grid {
    grid-template-columns: 1fr;
    max-width: 640px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  .section-padding,
  .services,
  .news-section,
  .cases-section,
  .plans-section,
  .faq-section,
  .contact-section {
    padding: 56px 0;
  }
  .nav-main {
    flex-wrap: wrap;
    padding: 10px 16px;
  }
  .nav-toggle {
    display: block;
    order: 2;
  }
  .nav-menu {
    display: none;
    flex-direction: column;
    width: 100%;
    gap: 0;
    background: #fff;
    border-radius: 12px;
    padding: 12px;
    margin-top: 8px;
    box-shadow: var(--shadow);
    order: 3;
  }
  .nav-menu.open {
    display: flex;
  }
  .nav-menu a {
    padding: 12px 16px;
    border-radius: 8px;
    width: 100%;
  }
  .nav-menu a::after {
    display: none;
  }
  .nav-menu a:hover,
  .nav-menu a.active {
    background: var(--accent);
  }
  .nav-location {
    order: 2;
  }
  .location-btn {
    padding: 8px 12px;
    font-size: 12px;
  }
  .location-bar {
    display: none;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stat-item strong {
    font-size: 36px;
  }
  .news-layout {
    grid-template-columns: 1fr;
  }
  .case-row,
  .case-row.reverse {
    flex-direction: column;
    gap: 24px;
  }
  .contact-layout {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .hero-stats {
    gap: 16px;
  }
  .hero-stats strong {
    font-size: 20px;
  }
  .hero {
    padding: 60px 0;
  }
  .hero-countdown {
    bottom: 12px;
    right: 12px;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .service-grid {
    grid-template-columns: 1fr;
  }
  .hero-text h1 {
    font-size: 26px;
  }
  .hero-buttons {
    flex-direction: column;
  }
  .hero-buttons .btn {
    width: 100%;
  }
  .plans-grid {
    grid-template-columns: 1fr;
  }
  .plan-card {
    padding: 20px;
  }
  .contact-info,
  .contact-form {
    padding: 24px;
  }
  .stats-grid {
    gap: 20px;
  }
  .stat-item strong {
    font-size: 30px;
  }
  .location-dropdown {
    right: -60px;
  }
}

/* roulang page: category1 */
:root {
  --primary: #F58B3F;
  --primary-dark: #E2742A;
  --accent: #FFF5E9;
  --accent-light: #FFE3C2;
  --text: #3B2A20;
  --text-light: #6B5D54;
  --border: #EAE2DA;
  --green: #7A9B76;
  --bg: #FFF8F0;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow: 0 8px 24px rgba(59, 42, 32, 0.08);
  --shadow-hover: 0 12px 32px rgba(59, 42, 32, 0.14);
  --transition: all 0.2s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.75;
  font-size: 16px;
}

a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; display: block; }
button, input, textarea, select { font-family: inherit; font-size: inherit; border: none; outline: none; }
ul, ol { list-style: none; margin: 0; padding: 0; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ===== 顶部导航 ===== */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(255, 248, 240, 0.94);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 14px rgba(59, 42, 32, 0.07);
}
.nav-main {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1200px; margin: 0 auto; padding: 12px 20px; gap: 16px;
}
.logo {
  font-size: 24px; font-weight: 800; color: var(--text);
  display: flex; align-items: center; gap: 8px; white-space: nowrap;
}
.logo i { color: var(--primary); font-size: 26px; }
.logo:hover { color: var(--text); }
.nav-toggle {
  display: none; background: none; font-size: 22px; color: var(--text);
  cursor: pointer; padding: 8px; border-radius: 8px;
}
.nav-toggle:hover { background: var(--accent); }
.nav-menu { display: flex; align-items: center; gap: 24px; }
.nav-menu a {
  font-size: 15px; font-weight: 600; color: var(--text);
  padding: 6px 2px; position: relative;
}
.nav-menu a::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 0; height: 2px; background: var(--primary);
  transition: width 0.2s ease;
}
.nav-menu a:hover, .nav-menu a.active { color: var(--primary); }
.nav-menu a:hover::after, .nav-menu a.active::after { width: 100%; }

.nav-location { position: relative; }
.location-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px; border-radius: 999px;
  border: 1.5px solid var(--text); background: transparent;
  color: var(--text); font-size: 13px; font-weight: 600;
  cursor: pointer; transition: var(--transition); white-space: nowrap;
}
.location-btn i { color: var(--primary); }
.location-btn:hover { background: var(--accent); border-color: var(--primary); }
.location-dropdown {
  display: none; position: absolute; right: 0; top: calc(100% + 8px);
  background: #fff; border-radius: var(--radius-md);
  box-shadow: var(--shadow); padding: 10px; min-width: 150px;
  z-index: 110;
}
.location-dropdown.show { display: block; }
.location-dropdown a {
  display: block; padding: 8px 14px; border-radius: var(--radius-sm);
  color: var(--text); font-size: 14px; cursor: pointer;
}
.location-dropdown a:hover { background: var(--accent); color: var(--primary); }

.location-bar {
  background: var(--accent);
  border-top: 1px solid var(--border);
  font-size: 13px; color: var(--text-light);
  text-align: center; padding: 6px 16px;
  max-width: 100%;
}
.location-bar i { color: var(--primary); margin-right: 4px; }

/* ===== 分类页 Hero ===== */
.category-hero {
  position: relative;
  min-height: 280px;
  display: flex; align-items: center;
  background: linear-gradient(120deg, rgba(255, 245, 233, 0.94), rgba(255, 227, 194, 0.82)), url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
  padding: 50px 0 60px;
  border-bottom: 1px solid var(--border);
}
.breadcrumb {
  display: flex; flex-wrap: wrap; align-items: center; gap: 6px;
  font-size: 13px; color: var(--text-light); margin-bottom: 18px;
}
.breadcrumb a { color: var(--text-light); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb i { font-size: 10px; color: var(--border); }
.breadcrumb span { color: var(--primary); font-weight: 600; }
.category-hero h1 {
  font-size: clamp(28px, 3.6vw, 40px);
  font-weight: 800; line-height: 1.3; color: var(--text);
  margin-bottom: 14px;
}
.category-hero .hero-desc {
  font-size: 16px; color: var(--text-light);
  max-width: 680px; line-height: 1.75;
}

/* ===== 筛选条 ===== */
.filter-bar {
  background: #fff; padding: 20px 0;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 4px 18px rgba(59, 42, 32, 0.04);
  position: relative; z-index: 5;
}
.filter-bar-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap;
}
.filter-group { display: flex; gap: 8px; flex-wrap: wrap; }
.filter-btn {
  padding: 8px 20px; border-radius: 999px;
  border: 1.5px solid var(--border);
  background: #fff; color: var(--text-light);
  font-size: 14px; font-weight: 600; cursor: pointer;
  transition: var(--transition); white-space: nowrap;
}
.filter-btn:hover { border-color: var(--primary); color: var(--primary); }
.filter-btn.active {
  background: var(--primary); color: #fff; border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(245, 139, 63, 0.3);
}
.filter-sort select {
  padding: 8px 32px 8px 14px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border);
  background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' fill='%236B5D54'%3E%3Cpath d='M0 0l5 6 5-6z'/%3E%3C/svg%3E") no-repeat right 12px center;
  font-size: 14px; color: var(--text); appearance: none;
  -webkit-appearance: none; cursor: pointer;
}
.filter-sort select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(245, 139, 63, 0.2);
}

/* ===== 视频区块 ===== */
.video-section { padding: 56px 0 64px; }
.video-grid-item { margin-bottom: 28px; }
.video-card {
  background: #fff; border-radius: var(--radius-lg);
  box-shadow: var(--shadow); overflow: hidden;
  transition: var(--transition); height: 100%;
  display: flex; flex-direction: column;
  border: 1px solid rgba(234, 226, 218, 0.6);
}
.video-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.video-card-cover {
  position: relative; overflow: hidden;
  aspect-ratio: 16/10;
  background: var(--accent);
}
.video-card-cover img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.35s ease;
}
.video-card:hover .video-card-cover img { transform: scale(1.05); }
.video-card-play {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 52px; height: 52px;
  background: rgba(245, 139, 63, 0.92);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 18px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.25);
  transition: var(--transition);
  opacity: 0.9;
}
.video-card:hover .video-card-play {
  transform: translate(-50%, -50%) scale(1.12);
  background: var(--primary);
  opacity: 1;
}
.video-duration {
  position: absolute; right: 12px; bottom: 12px;
  background: rgba(0, 0, 0, 0.65);
  color: #fff; font-size: 12px; font-weight: 600;
  padding: 3px 10px; border-radius: 999px;
  backdrop-filter: blur(4px);
}
.video-card-body { padding: 20px; display: flex; flex-direction: column; flex: 1; }
.video-card-tag {
  display: inline-flex; align-items: center;
  width: fit-content;
  padding: 3px 12px; border-radius: 999px;
  background: var(--accent); color: var(--primary);
  font-size: 12px; font-weight: 700; margin-bottom: 10px;
}
.video-card-title {
  font-size: 17px; font-weight: 700; color: var(--text);
  line-height: 1.45; margin-bottom: 8px;
  display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical;
  overflow: hidden;
}
.video-card-desc {
  font-size: 14px; color: var(--text-light);
  line-height: 1.6; flex: 1;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden; margin-bottom: 12px;
}
.video-card-meta {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 13px; color: var(--text-light);
  border-top: 1px solid var(--border);
  padding-top: 12px;
}
.video-card-meta .date i { color: var(--primary); font-size: 12px; margin-right: 4px; }

/* ===== 侧栏 ===== */
.sidebar { padding-left: 8px; }
.sidebar-widget {
  background: var(--accent); border-radius: var(--radius-lg);
  padding: 24px; margin-bottom: 24px;
  border: 1px solid rgba(234, 226, 218, 0.7);
}
.sidebar-widget h3 {
  font-size: 18px; font-weight: 700; color: var(--text);
  margin-bottom: 16px; padding-left: 12px;
  position: relative;
}
.sidebar-widget h3::before {
  content: ""; position: absolute; left: 0; top: 4px;
  width: 4px; height: 18px; background: var(--primary);
  border-radius: 2px;
}
.sidebar-cats li { margin-bottom: 10px; }
.sidebar-cats a {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 14px; color: var(--text); padding: 8px 12px;
  border-radius: var(--radius-sm); transition: var(--transition);
}
.sidebar-cats a:hover { background: #fff; color: var(--primary); }
.sidebar-cats .count {
  font-size: 12px; color: var(--text-light);
  background: #fff; padding: 2px 10px; border-radius: 999px;
  border: 1px solid var(--border);
}
.sidebar-recommend { margin-bottom: 0; }
.sidebar-recommend li { margin-bottom: 14px; }
.sidebar-recommend li:last-child { margin-bottom: 0; }
.sidebar-recommend a {
  display: flex; gap: 12px; align-items: center;
  font-size: 14px; color: var(--text); font-weight: 600;
}
.sidebar-recommend a:hover { color: var(--primary); }
.sidebar-recommend .thumb {
  width: 64px; aspect-ratio: 16/10; object-fit: cover;
  border-radius: var(--radius-sm); flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(59, 42, 32, 0.1);
}
.sidebar-recommend .rec-title {
  line-height: 1.4;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ===== 分页器 ===== */
.pagination-section {
  padding: 20px 0 72px;
}
.pagination {
  display: flex; justify-content: center; gap: 6px;
  margin: 0;
}
.pagination li { display: inline-block; }
.pagination a, .pagination .current {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 42px; height: 42px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border);
  font-size: 14px; font-weight: 600; color: var(--text);
  background: #fff; transition: var(--transition);
  padding: 0 14px;
}
.pagination a:hover {
  border-color: var(--primary); color: var(--primary);
  box-shadow: 0 4px 12px rgba(245, 139, 63, 0.18);
}
.pagination .current {
  background: var(--primary); color: #fff; border-color: var(--primary);
  box-shadow: 0 4px 14px rgba(245, 139, 63, 0.35);
  cursor: default;
}
.pagination .arrow i { font-size: 12px; }

/* ===== 优势卖点 ===== */
.feature-section {
  background: #fff; padding: 72px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section-head { text-align: center; margin-bottom: 44px; }
.section-head h2 {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 800; color: var(--text);
  margin-bottom: 12px;
}
.section-head .head-line {
  width: 40px; height: 3px; background: var(--primary);
  border-radius: 2px; margin: 0 auto 14px;
}
.section-head p { font-size: 15px; color: var(--text-light); max-width: 560px; margin: 0 auto; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.feature-item {
  background: var(--bg); border-radius: var(--radius-lg);
  padding: 32px 28px; text-align: center;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.feature-item:hover {
  box-shadow: var(--shadow-hover); transform: translateY(-4px);
  border-color: var(--accent-light);
}
.feature-item .icon {
  width: 64px; height: 64px; border-radius: 50%;
  background: var(--accent); color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; margin: 0 auto 18px;
}
.feature-item h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.feature-item p { font-size: 14px; color: var(--text-light); line-height: 1.65; }

/* ===== FAQ ===== */
.faq-section { padding: 72px 0; background: var(--bg); }
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
  background: #fff; border-radius: var(--radius-md);
  border: 1px solid var(--border); margin-bottom: 14px;
  overflow: hidden; transition: var(--transition);
}
.faq-item:hover { border-color: var(--accent-light); box-shadow: var(--shadow); }
.faq-question {
  width: 100%; background: none; text-align: left;
  padding: 20px 24px;
  font-size: 16px; font-weight: 700; color: var(--text);
  cursor: pointer; display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
}
.faq-question i {
  font-size: 16px; color: var(--primary);
  transition: transform 0.25s ease; flex-shrink: 0;
}
.faq-item.is-open .faq-question i { transform: rotate(180deg); }
.faq-answer {
  padding: 0 24px 20px; font-size: 15px;
  color: var(--text-light); line-height: 1.75;
  display: none;
}
.faq-item.is-open .faq-answer { display: block; }

/* ===== CTA ===== */
.cta-section {
  padding: 64px 0;
  background: linear-gradient(135deg, rgba(245, 139, 63, 0.12), rgba(255, 227, 194, 0.3)), url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
  text-align: center;
}
.cta-inner {
  max-width: 680px; margin: 0 auto;
}
.cta-inner h2 {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 800; color: var(--text); margin-bottom: 12px;
}
.cta-inner p { font-size: 15px; color: var(--text-light); margin-bottom: 24px; }

/* ===== 页脚 ===== */
.site-footer {
  background: var(--text); color: rgba(255, 255, 255, 0.85);
  padding: 56px 0 0;
}
.site-footer .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.footer-grid {
  display: grid; grid-template-columns: 1.2fr 1fr 1fr;
  gap: 40px; padding-bottom: 36px;
}
.footer-brand h3 {
  font-size: 22px; font-weight: 800; color: #fff;
  display: flex; align-items: center; gap: 8px; margin-bottom: 14px;
}
.footer-brand h3 i { color: var(--primary); }
.footer-brand p { font-size: 14px; line-height: 1.7; color: rgba(255,255,255,0.7); max-width: 340px; }
.footer-col h4 {
  font-size: 15px; font-weight: 700; color: #fff;
  margin-bottom: 16px; padding-left: 10px; position: relative;
}
.footer-col h4::before {
  content: ""; position: absolute; left: 0; top: 4px;
  width: 3px; height: 16px; background: var(--primary);
  border-radius: 2px;
}
.footer-col a {
  display: block; font-size: 14px; color: rgba(255,255,255,0.7);
  padding: 4px 0; transition: var(--transition);
}
.footer-col a:hover { color: var(--primary); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.15);
  padding: 20px 0;
  display: flex; align-items: center; justify-content: space-between;
  font-size: 13px; color: rgba(255,255,255,0.5);
  flex-wrap: wrap; gap: 8px;
}

/* ===== 移动端响应式 ===== */
@media (max-width: 1023px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .sidebar { padding-left: 0; margin-top: 40px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .filter-bar-inner { flex-direction: column; align-items: flex-start; }
  .filter-group { overflow-x: auto; flex-wrap: nowrap; padding-bottom: 4px; width: 100%; }
  .filter-btn { flex-shrink: 0; }
  .filter-sort { width: 100%; }
  .filter-sort select { width: 100%; }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    background: #fff; flex-direction: column; align-items: stretch;
    padding: 16px 20px; box-shadow: var(--shadow);
    border-top: 1px solid var(--border);
  }
  .nav-menu.open { display: flex; }
  .nav-menu a { padding: 12px 8px; font-size: 16px; border-bottom: 1px solid var(--border); }
  .nav-menu a:last-child { border-bottom: none; }
  .nav-menu a::after { display: none; }
  .nav-toggle { display: block; }
  .category-hero { min-height: 240px; padding: 40px 0 50px; }
  .feature-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .pagination a, .pagination .current { min-width: 38px; height: 38px; padding: 0 10px; }
}

@media (max-width: 520px) {
  .nav-main { padding: 10px 14px; }
  .logo { font-size: 20px; }
  .logo i { font-size: 22px; }
  .location-btn { font-size: 12px; padding: 6px 12px; }
  .category-hero h1 { font-size: 24px; }
  .video-card-body { padding: 16px; }
  .video-card-title { font-size: 15px; }
  .sidebar-widget { padding: 18px; }
  .filter-btn { font-size: 13px; padding: 6px 16px; }
  .cta-section { padding: 48px 0; }
  .footer-bottom { flex-direction: column; text-align: center; }
}