/* roulang page: index */
/* ============ 设计变量 ============ */
:root {
  --primary: #0FA86B;
  --primary-dark: #0C8A59;
  --primary-light: rgba(15, 168, 107, 0.08);
  --secondary: #274060;
  --secondary-light: #334F6E;
  --accent: #F5B82E;
  --bg: #F7F5F0;
  --white: #FFFFFF;
  --text: #1A2A3A;
  --text-sec: #5B6B7C;
  --text-light: #93A1AD;
  --border: rgba(39, 64, 96, 0.08);
  --radius: 10px;
  --radius-lg: 16px;
  --radius-pill: 999px;
  --shadow: 0 2px 8px rgba(39, 64, 96, 0.06);
  --shadow-hover: 0 8px 24px rgba(39, 64, 96, 0.10);
  --transition: all 0.3s ease;
  --font-num: "DIN Alternate", "Bebas Neue", "Arial Narrow", sans-serif;
}

/* ============ 基础 Reset ============ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

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

button {
  cursor: pointer;
  border: none;
  background: none;
}

ul,
ol {
  list-style: none;
}

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

/* ============ 顶条 ============ */
.topbar {
  background: #1A2A3A;
  color: #fff;
  height: 36px;
  display: flex;
  align-items: center;
  font-size: 13px;
  position: relative;
  z-index: 100;
}

.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 0 24px;
}

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

.topbar-badge {
  background: var(--accent);
  color: #1A2A3A;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 12px;
  border-radius: var(--radius-pill);
  letter-spacing: 1px;
}

.countdown {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-num);
  font-size: 14px;
  font-weight: 600;
  color: #fff;
}

.countdown .cd-sep {
  color: var(--accent);
  font-weight: 400;
}

.countdown .cd-label {
  color: #93A1AD;
  font-weight: 400;
  margin-right: 4px;
  font-family: "PingFang SC", sans-serif;
  font-size: 12px;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 18px;
}

.topbar-right a {
  color: rgba(255, 255, 255, 0.8);
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

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

/* ============ 主导航 ============ */
.main-nav {
  background: var(--white);
  position: sticky;
  top: 0;
  z-index: 99;
  height: 72px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgba(39, 64, 96, 0.06);
  transition: var(--transition);
}

.main-nav.scrolled {
  box-shadow: var(--shadow-hover);
}

.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 0 24px;
}

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

.brand-logo {
  width: 40px;
  height: 40px;
  background: var(--primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}

.brand-logo::after {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  background: rgba(255, 255, 255, 0.25);
  border-radius: 50%;
  top: -4px;
  right: -4px;
}

.brand-logo i {
  color: #fff;
  font-size: 18px;
}

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

.brand-name {
  font-size: 22px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.5px;
}

.brand-name em {
  font-style: normal;
  color: var(--primary);
  font-weight: 800;
}

.brand-sub {
  font-size: 12px;
  color: var(--text-sec);
  letter-spacing: 2px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-menu a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  position: relative;
  padding: 6px 2px;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 100%;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
  transition: var(--transition);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
  transform: translateX(-50%) scaleX(1);
}

.nav-menu a.active {
  color: var(--primary);
  font-weight: 600;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav-cta a.btn-primary {
  background: var(--primary);
  color: #fff;
  padding: 10px 24px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

.nav-cta a.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(15, 168, 107, 0.35);
}

.nav-hamburger {
  display: none;
  font-size: 24px;
  color: var(--text);
  cursor: pointer;
  padding: 6px;
}

/* 移动端菜单 */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(26, 42, 58, 0.98);
  z-index: 999;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 32px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.mobile-menu.open {
  opacity: 1;
  visibility: visible;
}

.mobile-menu a {
  color: #fff;
  font-size: 22px;
  font-weight: 600;
}

.mobile-menu a:hover,
.mobile-menu a.active {
  color: var(--accent);
}

.mobile-menu-close {
  position: absolute;
  top: 24px;
  right: 24px;
  color: #fff;
  font-size: 32px;
  cursor: pointer;
}

/* ============ Hero 首屏 ============ */
.hero {
  background: var(--bg);
  position: relative;
  padding: 72px 0 56px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(15, 168, 107, 0.12) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
}

.hero-content {
  padding-right: 24px;
}

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

.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(15, 168, 107, 0.5); }
  70% { box-shadow: 0 0 0 8px rgba(15, 168, 107, 0); }
  100% { box-shadow: 0 0 0 0 rgba(15, 168, 107, 0); }
}

.hero h1 {
  font-size: 44px;
  font-weight: 800;
  line-height: 1.25;
  color: var(--text);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

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

.hero-sub {
  font-size: 17px;
  color: var(--text-sec);
  margin-bottom: 32px;
  max-width: 480px;
  line-height: 1.75;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
  border: 2px solid transparent;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(15, 168, 107, 0.35);
}

.btn-primary:focus-visible {
  outline: 3px solid rgba(15, 168, 107, 0.3);
  outline-offset: 2px;
}

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

.btn-hollow:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
}

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

.btn-white:hover {
  background: var(--bg);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.hero-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-hover);
}

.hero-visual img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.hero-visual::after {
  content: '';
  position: absolute;
  top: 20px;
  right: 20px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.3;
  z-index: 2;
}

/* ============ 指标看板 ============ */
.stats-section {
  background: var(--white);
  padding: 48px 0;
  border-bottom: 1px solid var(--border);
}

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

.stat-card {
  text-align: center;
  padding: 28px 16px;
  border-radius: var(--radius-lg);
  background: var(--bg);
  transition: var(--transition);
}

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

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  color: var(--primary);
  font-size: 20px;
}

.stat-number {
  font-family: var(--font-num);
  font-size: 42px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
  letter-spacing: -1px;
}

.stat-label {
  font-size: 14px;
  color: var(--text-sec);
  margin-top: 6px;
}

.stat-note {
  font-size: 12px;
  color: var(--text-light);
  margin-top: 4px;
}

.stat-note .up {
  color: var(--primary);
  font-weight: 600;
}

/* ============ 最新信息 CMS ============ */
.latest-section {
  padding: 80px 0;
  background: var(--bg);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 40px;
  flex-wrap: wrap;
  gap: 16px;
}

.section-header .title-wrap h2 {
  font-size: 32px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 6px;
}

.section-header .title-wrap p {
  color: var(--text-sec);
  font-size: 15px;
}

.section-header .view-all {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary-light);
  color: var(--primary);
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 600;
  transition: var(--transition);
}

.section-header .view-all:hover {
  background: var(--primary);
  color: #fff;
  transform: translateX(4px);
}

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

.news-card {
  background: var(--white);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

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

.news-card .card-img {
  aspect-ratio: 16/9;
  background: #D9E2E8;
  overflow: hidden;
}

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

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

.news-card .card-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-tag {
  display: inline-flex;
  align-items: center;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 12px;
  border-radius: var(--radius-pill);
  margin-bottom: 10px;
  align-self: flex-start;
}

.news-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card p {
  font-size: 14px;
  color: var(--text-sec);
  line-height: 1.6;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

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

.news-card .card-date {
  font-family: var(--font-num);
  font-size: 13px;
  color: var(--text-light);
}

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

.news-empty {
  text-align: center;
  padding: 60px 20px;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px dashed var(--border);
}

.news-empty i {
  font-size: 48px;
  color: var(--text-light);
  margin-bottom: 16px;
}

.news-empty p {
  color: var(--text-sec);
  font-size: 16px;
}

/* ============ 服务矩阵 ============ */
.services-section {
  background: var(--secondary);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.services-section::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 250px;
  height: 250px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 50%;
}

.services-section::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: -60px;
  width: 140px;
  height: 140px;
  background: rgba(245, 184, 46, 0.05);
  border-radius: 50%;
}

.services-section .section-header h2 {
  color: #fff;
}

.services-section .section-header p {
  color: rgba(255, 255, 255, 0.6);
}

.service-grid {
  position: relative;
  z-index: 2;
}

.service-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  transition: var(--transition);
  height: 100%;
}

.service-card:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
}

.service-card .service-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(245, 184, 46, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--accent);
  font-size: 24px;
  transition: var(--transition);
}

.service-card:hover .service-icon {
  background: var(--accent);
  color: var(--secondary);
  transform: scale(1.05);
}

.service-card h3 {
  color: #fff;
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
}

.service-card p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  line-height: 1.7;
}

/* 错位布局 */
.service-offset .offset-item {
  margin-top: 32px;
}

/* ============ 结果对比 ============ */
.compare-section {
  padding: 80px 0;
  background: var(--white);
}

.compare-wrap {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 32px;
  align-items: center;
}

.compare-col {
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
}

.compare-col.before {
  background: #F0EFEC;
}

.compare-col.after {
  background: var(--primary-light);
}

.compare-col .compare-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.compare-col .compare-head .compare-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
}

.compare-col.before .compare-icon {
  background: #E8E6E2;
  color: #8B9BAA;
}

.compare-col.after .compare-icon {
  background: var(--primary);
  color: #fff;
}

.compare-col .compare-head h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
}

.compare-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.compare-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 15px;
  color: var(--text-sec);
  line-height: 1.6;
}

.compare-list li .mark {
  font-weight: 700;
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  margin-top: 2px;
}

.compare-list li .mark.x {
  background: rgba(230, 126, 34, 0.15);
  color: #E67E22;
}

.compare-list li .mark.check {
  background: var(--primary);
  color: #fff;
}

.compare-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--text-light);
}

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

.faq-wrap {
  max-width: 880px;
  margin: 0 auto;
}

.faq-item {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin-bottom: 14px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: rgba(15, 168, 107, 0.3);
}

.faq-item.active {
  border-color: rgba(15, 168, 107, 0.4);
  box-shadow: var(--shadow);
}

.faq-question {
  display: flex;
  align-items: center;
  padding: 18px 22px;
  cursor: pointer;
  gap: 14px;
  user-select: none;
}

.faq-q-mark {
  width: 28px;
  height: 28px;
  background: var(--accent);
  color: var(--secondary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 14px;
  flex-shrink: 0;
}

.faq-question h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  flex: 1;
  margin: 0;
}

.faq-toggle {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 600;
  transition: var(--transition);
  flex-shrink: 0;
}

.faq-item.active .faq-toggle {
  transform: rotate(45deg);
  background: var(--primary);
  color: #fff;
}

.faq-answer {
  padding: 0 22px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  font-size: 14px;
  color: var(--text-sec);
  line-height: 1.8;
  border-left: 3px solid var(--primary);
  margin-left: 22px;
}

.faq-item.active .faq-answer {
  padding: 0 22px 20px;
  max-height: 500px;
}

/* ============ CTA 表单 ============ */
.cta-section {
  padding: 80px 0;
}

.cta-card {
  background: linear-gradient(180deg, #0FA86B 0%, #0C8A59 100%);
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  position: relative;
  overflow: hidden;
}

.cta-card::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 200px;
  height: 200px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 50%;
}

.cta-card::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: 30%;
  width: 160px;
  height: 160px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 50%;
}

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

.cta-left h2 {
  color: #fff;
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 12px;
}

.cta-left p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 15px;
  line-height: 1.7;
  max-width: 360px;
}

.cta-form-wrap {
  background: rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 28px;
  position: relative;
  z-index: 2;
  backdrop-filter: blur(4px);
}

.cta-form-wrap label {
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  display: block;
}

.cta-form-wrap label .req {
  color: var(--accent);
}

.cta-form-wrap input,
.cta-form-wrap textarea {
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 14px;
  margin-bottom: 14px;
  transition: var(--transition);
}

.cta-form-wrap input:focus,
.cta-form-wrap textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(245, 184, 46, 0.3);
}

.cta-form-wrap textarea {
  min-height: 80px;
  resize: vertical;
}

.cta-form-wrap .btn-submit {
  background: var(--secondary);
  color: #fff;
  width: 100%;
  padding: 12px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 15px;
  transition: var(--transition);
  border: none;
}

.cta-form-wrap .btn-submit:hover {
  background: var(--secondary-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.form-success,
.form-error {
  display: none;
  padding: 10px;
  border-radius: 8px;
  font-size: 14px;
  text-align: center;
  margin-top: 10px;
}

.form-success {
  background: rgba(255, 255, 255, 0.3);
  color: #fff;
}

.form-error {
  background: rgba(230, 126, 34, 0.3);
  color: #fff;
}

/* ============ 活动横幅 ============ */
.promo-section {
  padding: 0 0 80px;
}

.promo-banner {
  background: #1A2A3A;
  border-radius: var(--radius-lg);
  padding: 40px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  position: relative;
  overflow: hidden;
}

.promo-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent), var(--primary));
  background-size: 200% 100%;
  animation: gradientMove 3s linear infinite;
}

@keyframes gradientMove {
  0% { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

.promo-banner::after {
  content: '';
  position: absolute;
  top: -50px;
  right: -50px;
  width: 180px;
  height: 180px;
  background: rgba(255, 255, 255, 0.03);
  transform: rotate(15deg);
}

.promo-left {
  position: relative;
  z-index: 2;
}

.promo-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent);
  color: var(--secondary);
  font-size: 12px;
  font-weight: 700;
  padding: 3px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 12px;
}

.promo-left h3 {
  color: #fff;
  font-size: 22px;
  font-weight: 700;
  line-height: 1.4;
}

.promo-left h3 .yellow {
  color: var(--accent);
}

.promo-countdown {
  display: flex;
  align-items: center;
  gap: 6px;
  color: #fff;
  font-family: var(--font-num);
  font-size: 32px;
  font-weight: 700;
  position: relative;
  z-index: 2;
}

.promo-countdown .cd-sep {
  color: var(--accent);
  font-weight: 400;
  margin: 0 2px;
}

/* ============ 页脚 ============ */
.footer {
  background: var(--secondary);
  padding: 64px 0 0;
  color: rgba(255, 255, 255, 0.7);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}

.footer-brand .footer-logo {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}

.footer-brand .footer-logo em {
  font-style: normal;
  color: var(--primary);
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  max-width: 280px;
}

.footer-col h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

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

.footer-col a:hover {
  color: var(--primary);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom .copyright {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.4);
}

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

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .hero h1 {
    font-size: 36px;
  }

  .compare-wrap {
    grid-template-columns: 1fr;
  }

  .compare-arrow {
    transform: rotate(90deg);
  }

  .cta-card {
    padding: 40px 24px;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }

  .topbar-right a:first-child {
    display: none;
  }

  .nav-menu {
    display: none;
  }

  .nav-hamburger {
    display: block;
  }

  .nav-cta a.btn-primary {
    display: none;
  }

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

  .hero {
    padding: 48px 0 40px;
  }

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

  .hero-sub {
    font-size: 15px;
  }

  .hero-visual img {
    height: 260px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }

  .stat-number {
    font-size: 32px;
  }

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

  .service-grid .cell {
    margin-bottom: 16px;
  }

  .service-offset .offset-item {
    margin-top: 0;
  }

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

  .compare-col {
    padding: 24px 20px;
  }

  .faq-question h3 {
    font-size: 14px;
  }

  .cta-card {
    padding: 32px 20px;
  }

  .cta-left h2 {
    font-size: 24px;
  }

  .promo-banner {
    padding: 28px 20px;
    flex-direction: column;
    text-align: center;
  }

  .promo-countdown {
    font-size: 24px;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 28px;
  }

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

  .brand-name {
    font-size: 18px;
  }

  .brand-sub {
    font-size: 10px;
  }
}

@media (max-width: 520px) {
  .topbar-inner {
    padding: 0 12px;
  }

  .countdown .cd-label {
    display: none;
  }

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

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

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

  .stat-card {
    padding: 18px 10px;
  }

  .stat-number {
    font-size: 28px;
  }

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

  .service-card {
    padding: 24px 18px;
  }

  .footer-bottom .copyright {
    flex-direction: column;
    gap: 8px;
  }
}

/* ============ 可访问性 ============ */
a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(15, 168, 107, 0.4);
  outline-offset: 2px;
}

/* ============ 平滑滚动 ============ */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* roulang page: article */
:root {
  --primary: #0FA86B;
  --primary-dark: #0C8A59;
  --primary-light: rgba(15,168,107,0.08);
  --secondary: #274060;
  --accent: #F5B82E;
  --bg: #F7F5F0;
  --white: #FFFFFF;
  --text: #1A2A3A;
  --text-light: #5B6B7C;
  --text-muted: #93A1AD;
  --border: rgba(39,64,96,0.08);
  --radius: 10px;
  --radius-lg: 16px;
  --shadow: 0 2px 8px rgba(39,64,96,0.06);
  --shadow-lg: 0 8px 24px rgba(39,64,96,0.10);
  --font: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num: "DIN Alternate","Bebas Neue","Arial Narrow",sans-serif;
  --transition: 0.25s ease;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  line-height:1.75;
  font-size:15px;
  -webkit-font-smoothing:antialiased;
}
a{text-decoration:none;color:var(--primary);transition:color var(--transition);}
a:hover{color:var(--primary-dark);}
img{max-width:100%;display:block;}
button{cursor:pointer;border:none;background:none;font-family:inherit;}
input,textarea,select{font-family:inherit;font-size:14px;}
h1,h2,h3,h4,h5,h6{line-height:1.3;font-weight:700;color:var(--text);}
ul,ol{list-style-position:inside;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}

/* ===== Topbar ===== */
.topbar{
  background:var(--secondary);
  color:#fff;
  font-size:13px;
  height:36px;
  display:flex;
  align-items:center;
}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;width:100%;}
.topbar-left{display:flex;align-items:center;gap:10px;}
.status-pill{
  background:var(--accent);
  color:var(--secondary);
  font-size:11px;
  font-weight:700;
  padding:2px 10px;
  border-radius:999px;
  letter-spacing:0.4px;
  flex-shrink:0;
}
.topbar-text{color:rgba(255,255,255,0.85);letter-spacing:0.3px;}
.topbar-right{display:flex;align-items:center;gap:18px;}
.countdown{display:flex;align-items:center;gap:4px;font-size:13px;color:rgba(255,255,255,0.9);}
.cd-num{
  font-family:var(--font-num);
  font-size:14px;
  font-weight:700;
  color:#fff;
  font-variant-numeric:tabular-nums;
}
.cd-sep{color:var(--accent);font-weight:700;margin:0 1px;}
.topbar-link{color:rgba(255,255,255,0.8);font-size:13px;transition:color var(--transition);}
.topbar-link:hover{color:var(--accent);}

/* ===== Header / Nav ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(255,255,255,0.96);
  backdrop-filter:blur(8px);
  border-bottom:1px solid rgba(39,64,96,0.06);
  transition:box-shadow var(--transition);
}
.site-header.scrolled{box-shadow:var(--shadow-lg);}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:72px;
  gap:24px;
}
.brand-logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-dot{
  width:12px;height:12px;border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 0 4px rgba(15,168,107,0.15);
  display:block;
}
.brand-text{
  font-size:20px;
  font-weight:700;
  color:var(--text);
  letter-spacing:-0.3px;
  line-height:1.2;
  display:flex;
  align-items:baseline;
  gap:4px;
}
.brand-text strong{
  color:var(--primary);
  font-weight:800;
  font-size:22px;
  letter-spacing:0.2px;
}
.brand-text small{
  font-size:13px;
  color:var(--text-light);
  font-weight:500;
  letter-spacing:1px;
}
.nav-menu{display:flex;align-items:center;gap:28px;}
.nav-menu a{
  position:relative;
  font-size:15px;
  font-weight:600;
  color:var(--text-light);
  padding:8px 0;
  letter-spacing:0.3px;
}
.nav-menu a::after{
  content:"";
  position:absolute;
  bottom:0;left:0;right:0;
  height:3px;
  background:var(--primary);
  border-radius:3px;
  transform:scaleX(0);
  transform-origin:left;
  transition:transform 0.3s ease;
}
.nav-menu a:hover{color:var(--text);}
.nav-menu a:hover::after{transform:scaleX(1);}
.nav-menu a.active{color:var(--text);}
.nav-menu a.active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:14px;}
.nav-toggle{display:none;}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 26px;
  border-radius:999px;
  font-size:14px;
  font-weight:600;
  line-height:1.4;
  transition:all 0.3s ease;
  text-align:center;
  gap:6px;
}
.btn-primary{
  background:var(--primary);
  color:#fff;
  box-shadow:0 4px 14px rgba(15,168,107,0.25);
}
.btn-primary:hover{
  background:var(--primary-dark);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 6px 20px rgba(15,168,107,0.32);
}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn:focus-visible{outline:3px solid rgba(15,168,107,0.3);outline-offset:2px;}
.btn-hollow{
  border:1px solid var(--primary);
  color:var(--primary);
  background:transparent;
}
.btn-hollow:hover{
  background:var(--primary-light);
  color:var(--primary-dark);
  transform:translateY(-2px);
}
.btn-sm{padding:7px 20px;font-size:13px;}
.btn-lg{padding:14px 36px;font-size:16px;}

/* ===== Breadcrumb ===== */
.breadcrumb-bar{
  background:var(--bg);
  border-bottom:1px solid rgba(39,64,96,0.06);
  padding:14px 0;
  font-size:13px;
}
.breadcrumb-bar .container{display:flex;align-items:center;flex-wrap:wrap;gap:6px;}
.breadcrumb-bar a{color:var(--text-light);}
.breadcrumb-bar a:hover{color:var(--primary);}
.breadcrumb-bar .sep{color:var(--text-muted);margin:0 2px;}
.breadcrumb-bar .current{color:var(--text);font-weight:600;max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ===== Article Main ===== */
.article-main{
  padding:48px 0 80px;
  background:var(--bg);
  position:relative;
}
.article-main::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:180px;
  background:
    radial-gradient(circle at 15% 60%, rgba(15,168,107,0.06) 0, transparent 50%),
    radial-gradient(circle at 85% 20%, rgba(245,184,46,0.05) 0, transparent 45%);
  pointer-events:none;
}
.article-card{
  position:relative;
  background:var(--white);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  padding:48px 56px;
  margin-bottom:48px;
  border:1px solid rgba(39,64,96,0.04);
}
.article-header{
  margin-bottom:36px;
  padding-bottom:28px;
  border-bottom:1px solid rgba(39,64,96,0.08);
}
.article-meta-top{
  display:flex;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
  margin-bottom:14px;
}
.category-badge{
  background:var(--primary-light);
  color:var(--primary-dark);
  font-size:12px;
  font-weight:700;
  padding:4px 14px;
  border-radius:999px;
  letter-spacing:0.5px;
}
.article-date{
  color:var(--text-muted);
  font-size:13px;
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  display:flex;
  align-items:center;
  gap:6px;
}
.article-header h1{
  font-size:36px;
  line-height:1.28;
  font-weight:700;
  color:var(--text);
  letter-spacing:-0.3px;
  margin-bottom:14px;
}
.article-sub{
  color:var(--text-light);
  font-size:15px;
  line-height:1.7;
  max-width:680px;
}

/* ===== Article Body ===== */
.article-body{
  font-size:16px;
  line-height:1.85;
  color:var(--text);
}
.article-body p{margin-bottom:1.35em;}
.article-body h2{
  font-size:24px;
  font-weight:700;
  color:var(--text);
  padding-left:14px;
  border-left:4px solid var(--primary);
  margin:38px 0 16px;
  line-height:1.4;
}
.article-body h3{
  font-size:20px;
  font-weight:600;
  color:var(--text);
  margin:30px 0 12px;
}
.article-body h4{
  font-size:17px;
  font-weight:600;
  color:var(--text);
  margin:24px 0 10px;
}
.article-body a{color:var(--primary);font-weight:500;border-bottom:1px solid transparent;}
.article-body a:hover{border-bottom-color:var(--primary);}
.article-body img{
  max-width:100%;
  height:auto;
  border-radius:12px;
  margin:24px 0;
  box-shadow:var(--shadow);
}
.article-body blockquote{
  border-left:4px solid var(--accent);
  background:var(--bg);
  padding:16px 22px;
  border-radius:0 var(--radius) var(--radius) 0;
  margin:24px 0;
  color:var(--text-light);
  font-style:normal;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body ul,.article-body ol{
  margin:16px 0 20px;
  padding-left:22px;
}
.article-body li{margin-bottom:6px;}
.article-body hr{
  border:none;
  border-top:1px solid var(--border);
  margin:36px 0;
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:24px 0;
  font-size:14px;
}
.article-body th{
  background:var(--secondary);
  color:#fff;
  padding:10px 14px;
  text-align:left;
  font-weight:600;
}
.article-body td{
  padding:10px 14px;
  border-bottom:1px solid var(--border);
  color:var(--text-light);
}

/* ===== Empty State ===== */
.article-empty{
  text-align:center;
  padding:80px 20px;
}
.empty-icon{
  width:64px;height:64px;
  border-radius:50%;
  background:var(--primary-light);
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 20px;
  color:var(--primary);
  font-size:28px;
  font-weight:700;
}
.article-empty p{
  font-size:17px;
  font-weight:600;
  color:var(--text);
  margin-bottom:8px;
}
.article-empty small{
  display:block;
  color:var(--text-muted);
  font-size:13px;
  margin-bottom:24px;
}

/* ===== Related Section ===== */
.related-section{
  margin-bottom:40px;
  padding-top:8px;
}
.related-section .section-title-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:22px;
}
.related-section h3{
  font-size:22px;
  font-weight:700;
  color:var(--text);
  display:flex;
  align-items:center;
  gap:10px;
}
.related-section h3::before{
  content:"";
  width:6px;height:22px;
  background:var(--primary);
  border-radius:4px;
  display:block;
}
.section-link{
  font-size:13px;
  font-weight:600;
  color:var(--primary);
  display:inline-flex;
  align-items:center;
  gap:4px;
}
.section-link:hover{color:var(--primary-dark);}
.related-card{
  background:var(--white);
  border-radius:var(--radius);
  border:1px solid rgba(39,64,96,0.06);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:all 0.3s ease;
  display:flex;
  flex-direction:column;
  height:100%;
  margin-bottom:20px;
}
.related-card:hover{
  box-shadow:var(--shadow-lg);
  transform:translateY(-3px);
}
.related-card-img{
  aspect-ratio:16/9;
  overflow:hidden;
  background:#D9E2E8;
  display:block;
}
.related-card-img img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform 0.4s ease;
}
.related-card:hover .related-card-img img{transform:scale(1.05);}
.related-card-body{
  padding:16px 18px 18px;
  display:flex;
  flex-direction:column;
  gap:8px;
  flex:1;
}
.related-card-meta{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:12px;
  color:var(--text-muted);
  font-family:var(--font-num);
}
.related-card-title{
  font-size:15px;
  font-weight:600;
  color:var(--text);
  line-height:1.45;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.related-card:hover .related-card-title{color:var(--primary);}

/* ===== Back Section ===== */
.back-section{
  background:var(--white);
  border-radius:var(--radius-lg);
  padding:28px 32px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:16px;
  box-shadow:var(--shadow);
  border:1px solid rgba(39,64,96,0.05);
}
.back-section p{
  color:var(--text-light);
  font-size:14px;
  display:flex;
  align-items:center;
  gap:8px;
}
.back-section p strong{color:var(--text);font-weight:600;}

/* ===== Footer ===== */
.footer{
  background:var(--secondary);
  color:rgba(255,255,255,0.85);
  padding:64px 0 0;
  font-size:14px;
}
.footer-top{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:36px;
  padding-bottom:40px;
}
.footer-logo{
  font-size:20px;
  font-weight:800;
  color:#fff;
  margin-bottom:14px;
  letter-spacing:0.2px;
  display:flex;
  align-items:center;
  gap:6px;
}
.footer-logo em{
  font-style:normal;
  color:var(--primary);
  background:rgba(255,255,255,0.1);
  padding:2px 10px;
  border-radius:6px;
}
.footer-brand p{
  color:rgba(255,255,255,0.65);
  line-height:1.75;
  max-width:360px;
  font-size:13px;
}
.footer-col h4{
  color:#fff;
  font-size:15px;
  font-weight:600;
  margin-bottom:16px;
  position:relative;
  padding-bottom:8px;
}
.footer-col h4::after{
  content:"";
  position:absolute;
  bottom:0;left:0;
  width:24px;height:3px;
  background:var(--primary);
  border-radius:3px;
}
.footer-col ul{list-style:none;padding:0;}
.footer-col li{margin-bottom:10px;}
.footer-col a{
  color:rgba(255,255,255,0.65);
  font-size:13px;
  transition:all 0.25s ease;
}
.footer-col a:hover{color:var(--accent);padding-left:4px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.15);
  padding:20px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:10px;
  font-size:13px;
  color:rgba(255,255,255,0.5);
}
.copyright{display:flex;align-items:center;gap:12px;}
.copyright span:first-child{color:rgba(255,255,255,0.75);}
.copyright span:last-child{
  opacity:0.6;
  font-family:var(--font-num);
}

/* ===== Responsive ===== */
@media (max-width:1023px){
  .footer-top{grid-template-columns:1fr 1fr;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:639px){
  .topbar{height:32px;}
  .topbar-text{display:none;}
  .topbar-link{display:none;}
  .header-inner{height:64px;gap:12px;}
  .brand-text{font-size:17px;}
  .brand-text strong{font-size:19px;}
  .brand-text small{display:none;}
  .nav-toggle{
    display:flex;
    flex-direction:column;
    justify-content:center;
    gap:5px;
    width:40px;height:40px;
    border-radius:8px;
    align-items:center;
  }
  .nav-toggle span{
    width:20px;height:2px;
    background:var(--text);
    border-radius:2px;
    transition:all 0.3s ease;
  }
  .nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .nav-toggle.open span:nth-child(2){opacity:0;}
  .nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
  .nav-menu{
    display:none;
    position:absolute;
    top:100%;
    left:0;right:0;
    background:var(--white);
    flex-direction:column;
    align-items:flex-start;
    padding:20px 24px 24px;
    gap:8px;
    box-shadow:var(--shadow-lg);
    border-top:1px solid var(--border);
  }
  .nav-menu.open{display:flex;}
  .nav-menu a{
    width:100%;
    padding:10px 0;
    font-size:15px;
  }
  .header-actions .btn{display:none;}
  .article-main{padding:28px 0 56px;}
  .article-card{padding:28px 20px;}
  .article-header h1{font-size:26px;}
  .article-body{font-size:15px;line-height:1.8;}
  .article-body h2{font-size:20px;}
  .article-body h3{font-size:18px;}
  .back-section{padding:22px 20px;flex-direction:column;align-items:flex-start;}
  .footer-top{grid-template-columns:1fr;gap:28px;}
  .footer{padding-top:44px;}
  .footer-bottom{flex-direction:column;justify-content:center;text-align:center;}
  .related-section h3{font-size:19px;}
}

/* roulang page: category1 */
:root {
  --primary: #0FA86B;
  --primary-dark: #0C8A59;
  --secondary: #274060;
  --secondary-dark: #1A2A3A;
  --accent: #F5B82E;
  --bg-warm: #F7F5F0;
  --white: #FFFFFF;
  --text-main: #1A2A3A;
  --text-sub: #5B6B7C;
  --text-fade: #93A1AD;
  --border-light: rgba(39,64,96,0.08);
  --radius: 10px;
  --radius-lg: 16px;
  --shadow-card: 0 2px 8px rgba(39,64,96,0.06);
  --shadow-hover: 0 8px 24px rgba(39,64,96,0.10);
  --font-main: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num: "DIN Alternate","Bebas Neue","Arial Narrow",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-main);font-size:16px;line-height:1.75;color:var(--text-main);background:var(--bg-warm);-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit;transition:color .2s ease}
img{max-width:100%;display:block}
ul,ol{list-style:none}
button{background:none;border:none;cursor:pointer;font-family:inherit}
input,textarea{font-family:inherit;font-size:1rem}
.grid-container{max-width:1200px}
.btn{display:inline-flex;align-items:center;justify-content:center;font-weight:600;border-radius:999px;padding:12px 28px;font-size:15px;line-height:1.2;transition:all .25s ease;border:2px solid transparent;cursor:pointer}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 6px 18px rgba(15,168,107,.25)}
.btn-primary:active{transform:translateY(0)}
.btn-primary:focus{outline:3px solid rgba(15,168,107,.3);outline-offset:2px}
.btn-outline{border-color:var(--primary);color:var(--primary);background:transparent}
.btn-outline:hover{background:rgba(15,168,107,.08);transform:translateY(-2px)}
.btn-outline:focus{outline:3px solid rgba(15,168,107,.25);outline-offset:2px}
.btn-sm{padding:9px 20px;font-size:14px}
.btn-lg{padding:14px 36px;font-size:16px}
/* Topbar */
.topbar{background:var(--secondary-dark);color:rgba(255,255,255,.85);font-size:13px;line-height:1.4}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;min-height:36px;gap:12px}
.activity-badge{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.badge-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.45}}
.badge-label{background:var(--accent);color:var(--secondary-dark);font-weight:700;font-size:11px;padding:1px 8px;border-radius:999px;letter-spacing:.5px}
.countdown-num{font-family:var(--font-num);font-variant-numeric:tabular-nums;color:var(--accent);font-weight:600;letter-spacing:.3px}
.topbar-links a{color:rgba(255,255,255,.7);margin-left:16px;transition:color .2s}
.topbar-links a:hover{color:#fff}
/* Header */
.header{background:rgba(255,255,255,.92);backdrop-filter:blur(10px);position:sticky;top:0;z-index:100;transition:box-shadow .3s ease;border-bottom:1px solid rgba(39,64,96,.06)}
.header.scrolled{box-shadow:0 4px 20px rgba(39,64,96,.08)}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:20px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-dot{width:10px;height:10px;border-radius:50%;background:var(--primary);position:relative;flex-shrink:0}
.logo-dot::after{content:'';position:absolute;width:18px;height:18px;border:2px solid rgba(15,168,107,.3);border-radius:50%;top:50%;left:50%;transform:translate(-50%,-50%)}
.logo-text{font-size:19px;font-weight:700;color:var(--text-main);letter-spacing:.2px}
.logo-text em{font-style:normal;color:var(--primary);font-weight:800}
.nav-menu{display:flex;align-items:center;gap:8px;margin:0}
.nav-menu a{position:relative;font-size:15px;font-weight:500;color:var(--text-sub);padding:10px 14px;transition:color .2s}
.nav-menu a::after{content:'';position:absolute;left:14px;right:14px;bottom:-2px;height:3px;border-radius:3px;background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.nav-menu a:hover{color:var(--text-main)}
.nav-menu a:hover::after,.nav-menu a.active::after{transform:scaleX(1)}
.nav-menu a.active{color:var(--text-main);font-weight:600}
.header-cta{margin-left:8px}
.nav-toggle{display:none;width:40px;height:40px;flex-direction:column;justify-content:center;align-items:center;gap:5px;border-radius:var(--radius);transition:background .2s}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--text-main);border-radius:2px;transition:all .3s}
.nav-toggle:hover{background:rgba(15,168,107,.08)}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
/* Hero */
.category-hero{background:var(--secondary);position:relative;overflow:hidden;padding:72px 0 76px;color:#fff}
.category-hero::before{content:'';position:absolute;top:0;right:0;bottom:0;left:0;background:url('/assets/images/backpic/back-2.png') no-repeat center/cover;opacity:.18}
.category-hero::after{content:'';position:absolute;bottom:-60px;right:-40px;width:240px;height:240px;border-radius:50%;background:rgba(245,184,46,.12)}
.category-hero .grid-container{position:relative;z-index:1}
.category-hero-title{font-size:42px;font-weight:800;color:#fff;margin-bottom:18px;letter-spacing:1px}
.category-hero-title span{color:var(--accent)}
.category-hero-desc{font-size:17px;line-height:1.8;color:rgba(255,255,255,.85);max-width:560px;margin-bottom:32px}
.category-hero-media{border-radius:16px;overflow:hidden;box-shadow:0 16px 40px rgba(0,0,0,.25);border:3px solid rgba(255,255,255,.15);transform:rotate(-2deg);transition:transform .3s ease}
.category-hero-media:hover{transform:rotate(0deg) scale(1.01)}
.category-hero-media img{width:100%;height:240px;object-fit:cover}
/* Section base */
.section{padding:96px 0}
.section-light{background:var(--bg-warm)}
.section-white{background:var(--white)}
.section-dark{background:var(--secondary);color:#fff}
.section-head{text-align:center;margin-bottom:56px}
.section-head h2{font-size:34px;font-weight:800;color:var(--text-main);letter-spacing:.5px;position:relative;display:inline-block;padding-bottom:16px}
.section-head h2::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:48px;height:4px;border-radius:4px;background:var(--primary)}
.section-head p{font-size:16px;color:var(--text-sub);margin-top:14px}
.section-dark .section-head h2{color:#fff}
.section-dark .section-head h2::after{background:var(--accent)}
.section-dark .section-head p{color:rgba(255,255,255,.7)}
/* Feature cards */
.feature-card{background:#fff;border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:32px 26px;height:100%;transition:all .3s ease;position:relative;overflow:hidden}
.feature-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform .3s ease}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:transparent}
.feature-card:hover::before{transform:scaleX(1)}
.feature-icon{width:52px;height:52px;border-radius:14px;background:rgba(15,168,107,.1);display:flex;align-items:center;justify-content:center;margin-bottom:20px}
.feature-icon svg{width:26px;height:26px;stroke:var(--primary);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.feature-title{font-size:19px;font-weight:700;color:var(--text-main);margin-bottom:10px}
.feature-desc{font-size:14px;color:var(--text-sub);line-height:1.7}
/* Guide cards */
.guide-card{background:#fff;border:1px solid var(--border-light);border-radius:var(--radius-lg);overflow:hidden;height:100%;transition:all .3s ease;display:flex;flex-direction:column}
.guide-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:transparent}
.guide-card-img{position:relative;overflow:hidden;aspect-ratio:16/9;background:#D9E2E8}
.guide-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.guide-card:hover .guide-card-img img{transform:scale(1.05)}
.guide-card-tag{position:absolute;top:14px;left:14px;background:rgba(15,168,107,.92);color:#fff;font-size:12px;font-weight:600;padding:3px 14px;border-radius:999px;backdrop-filter:blur(4px)}
.guide-card-body{padding:24px;display:flex;flex-direction:column;flex:1}
.guide-card-body h3{font-size:18px;font-weight:700;color:var(--text-main);margin-bottom:10px}
.guide-card-body p{font-size:14px;color:var(--text-sub);line-height:1.7;flex:1}
.guide-card-link{margin-top:16px;display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary)}
.guide-card-link:hover{color:var(--primary-dark);gap:10px}
/* Steps */
.steps-grid{display:flex;gap:24px;flex-wrap:wrap;justify-content:center}
.step-item{flex:1;min-width:200px;max-width:240px;text-align:center;position:relative;padding:0 12px}
.step-item:not(:last-child)::after{content:'';position:absolute;top:34px;right:-14px;width:28px;height:2px;background:rgba(255,255,255,.25);border-radius:2px}
.step-num{width:64px;height:64px;border-radius:50%;background:rgba(245,184,46,.15);border:2px solid var(--accent);color:var(--accent);font-family:var(--font-num);font-size:28px;font-weight:700;display:flex;align-items:center;justify-content:center;margin:0 auto 22px;font-variant-numeric:tabular-nums}
.step-title{font-size:17px;font-weight:700;color:#fff;margin-bottom:8px}
.step-desc{font-size:14px;color:rgba(255,255,255,.7);line-height:1.65}
/* Scenes */
.scene-card{background:var(--bg-warm);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:36px 30px;height:100%;transition:all .3s ease;position:relative}
.scene-card:hover{background:#fff;transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.scene-icon{width:48px;height:48px;border-radius:12px;background:rgba(255,255,255,.9);border:1px solid rgba(15,168,107,.2);display:flex;align-items:center;justify-content:center;margin-bottom:20px}
.scene-icon svg{width:24px;height:24px;stroke:var(--secondary);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.scene-card h3{font-size:19px;font-weight:700;color:var(--text-main);margin-bottom:12px}
.scene-card p{font-size:14px;color:var(--text-sub);line-height:1.7}
/* FAQ */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--border-light);border-radius:var(--radius);margin-bottom:14px;overflow:hidden;transition:box-shadow .3s ease}
.faq-item:hover{box-shadow:var(--shadow-card)}
.faq-item.active{box-shadow:var(--shadow-hover);border-color:rgba(15,168,107,.25)}
.faq-q{display:flex;align-items:center;gap:14px;padding:20px 24px;cursor:pointer;user-select:none}
.faq-q-mark{width:28px;height:28px;border-radius:8px;background:var(--accent);color:var(--secondary-dark);font-weight:800;font-size:15px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.faq-q-text{font-size:16px;font-weight:600;color:var(--text-main);flex:1}
.faq-q-icon{width:28px;height:28px;border-radius:50%;background:rgba(15,168,107,.1);display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:18px;transition:transform .3s;flex-shrink:0}
.faq-item.active .faq-q-icon{transform:rotate(45deg)}
.faq-a{display:none;padding:0 24px 22px 66px;color:var(--text-sub);font-size:15px;line-height:1.75;border-left:3px solid var(--primary);margin-left:52px;margin-bottom:2px}
.faq-item.active .faq-a{display:block}
/* CTA */
.cta-section{padding:100px 0 96px;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);position:relative;overflow:hidden}
.cta-section::before{content:'';position:absolute;top:-80px;right:-80px;width:280px;height:280px;border-radius:50%;background:rgba(255,255,255,.08)}
.cta-section::after{content:'';position:absolute;bottom:-120px;left:-40px;width:200px;height:200px;border-radius:50%;background:rgba(245,184,46,.15)}
.cta-inner{position:relative;z-index:1;text-align:center;max-width:680px;margin:0 auto}
.cta-title{font-size:40px;font-weight:800;color:#fff;margin-bottom:16px}
.cta-desc{font-size:18px;color:rgba(255,255,255,.85);margin-bottom:36px}
.cta-btn-wrap{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}
.btn-white{background:#fff;color:var(--primary);border-color:#fff}
.btn-white:hover{background:rgba(255,255,255,.9);color:var(--primary-dark);transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.15)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.7)}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}
/* Footer */
.footer{background:var(--secondary);color:rgba(255,255,255,.8);padding-top:72px}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;margin-bottom:48px}
.footer-logo{font-size:22px;font-weight:800;color:#fff;margin-bottom:14px}
.footer-logo em{font-style:normal;color:var(--primary)}
.footer-brand p{font-size:14px;line-height:1.75;color:rgba(255,255,255,.65);max-width:320px}
.footer-col h4{font-size:16px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.5px}
.footer-col ul li{margin-bottom:8px}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.6);transition:color .2s;padding-left:0}
.footer-col ul a:hover{color:var(--primary)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.15);padding:22px 0;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13px;color:rgba(255,255,255,.5)}
.copyright{display:flex;gap:16px;flex-wrap:wrap}
/* Responsive */
@media screen and (max-width:1024px){
  .section{padding:76px 0}
  .category-hero-title{font-size:36px}
  .cta-title{font-size:34px}
  .footer-top{grid-template-columns:1fr 1fr;gap:36px}
}
@media screen and (max-width:820px){
  .section{padding:56px 0}
  .section-head h2{font-size:28px;padding-bottom:12px}
  .category-hero-title{font-size:30px}
  .category-hero-desc{font-size:16px}
  .header-inner{min-height:64px}
  .nav-menu{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;padding:20px 24px;flex-direction:column;align-items:flex-start;gap:6px;box-shadow:0 20px 40px rgba(39,64,96,.12);border-top:1px solid rgba(39,64,96,.06)}
  .nav-menu.open{display:flex}
  .nav-menu a{font-size:17px;padding:10px 0;width:100%}
  .nav-menu a::after{display:none}
  .header-cta{margin-left:auto}
  .nav-toggle{display:flex}
  .cta-btn-wrap{flex-direction:column;align-items:center}
  .step-item:not(:last-child)::after{display:none}
  .footer-top{grid-template-columns:1fr}
}
@media screen and (max-width:640px){
  .topbar-inner{min-height:32px}
  .topbar-links{display:none}
  .category-hero{padding:48px 0 52px}
  .category-hero-title{font-size:26px;margin-bottom:14px}
  .category-hero-desc{font-size:15px;margin-bottom:26px}
  .logo-text{font-size:16px}
  .header-cta{display:none}
  .section-head{margin-bottom:36px}
  .feature-card{padding:26px 20px}
  .guide-card-body{padding:18px}
  .cta-title{font-size:28px}
  .cta-desc{font-size:15px}
  .footer-top{padding:0 8px}
}