/* roulang page: index */
:root {
  --primary: #1F6F4F;
  --primary-dark: #18583E;
  --primary-light: #2A8A63;
  --accent: #F2B705;
  --accent-dark: #D9A104;
  --bg: #FAF9F7;
  --bg-alt: #F0EFEC;
  --dark: #1C1C1A;
  --dark-light: #2A2A28;
  --text: #1C1C1A;
  --text-light: #6B6B66;
  --white: #FFFFFF;
  --border: #E5E4E0;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-pill: 999px;
  --shadow-sm: 0 2px 8px rgba(28,28,26,.06);
  --shadow-lg: 0 12px 28px rgba(28,28,26,.10);
  --transition: all .3s ease;
  --container: 1200px;
  --header-h: 72px;
  --font-main: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-num: "DIN Alternate", "Bahnschrift", "Segoe UI", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

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

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

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

/* 导航 */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(229,228,224,.6);
  transition: var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow-sm);
}

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

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

.logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--primary);
  border-radius: 10px;
  flex-shrink: 0;
}

.logo-mark svg {
  width: 20px;
  height: 20px;
}

.logo-text {
  font-size: 17px;
  font-weight: 500;
  color: var(--text);
  letter-spacing: .3px;
  white-space: nowrap;
}

.logo-text strong {
  font-weight: 800;
  color: var(--primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: var(--transition);
}

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

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

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

.nav-cta {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.nav-cta .btn {
  height: 42px;
  padding: 0 24px;
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border-radius: 8px;
  cursor: pointer;
  padding: 8px;
  z-index: 1100;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

.hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
}

.hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-md);
  padding: 12px 28px;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  text-align: center;
  line-height: 1.4;
}

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

.btn-lg {
  padding: 14px 36px;
  font-size: 16px;
}

.btn-accent {
  background: var(--accent);
  color: var(--dark);
  border-color: var(--accent);
}

.btn-accent:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(242,183,5,.25);
}

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

.btn-ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,.7);
}

.btn-ghost:hover {
  background: rgba(255,255,255,.12);
  border-color: var(--white);
  transform: translateY(-2px);
}

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

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

.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(31,111,79,.25);
}

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

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

.btn-outline:hover {
  background: rgba(31,111,79,.08);
  transform: translateY(-2px);
}

.btn-text {
  background: transparent;
  color: var(--primary);
  padding: 8px 4px;
  border-radius: 0;
  font-weight: 600;
}

.btn-text:hover {
  color: var(--primary-dark);
  background: transparent;
  text-decoration: underline;
}

/* Hero */
.hero {
  position: relative;
  min-height: 580px;
  display: flex;
  align-items: center;
  overflow: hidden;
  margin-top: var(--header-h);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(82deg, rgba(28,28,26,.92) 10%, rgba(28,28,26,.65) 55%, rgba(28,28,26,.25) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  z-index: 0;
}

.hero-bg::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(31,111,79,.25) 0%, transparent 70%);
}

.hero-bg::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 120px;
  background: linear-gradient(to top, rgba(28,28,26,.4) 0%, transparent 100%);
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 60px 24px;
}

.hero-content {
  max-width: 600px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  color: var(--white);
  font-size: 13px;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 20px;
  letter-spacing: .5px;
}

.hero-badge .dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  display: inline-block;
}

.hero h1 {
  font-size: 42px;
  font-weight: 800;
  line-height: 1.25;
  color: var(--white);
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.hero-sub {
  font-size: 17px;
  color: rgba(255,255,255,.9);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 480px;
}

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

.hero-tag {
  align-self: flex-end;
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.15);
  color: rgba(255,255,255,.85);
  font-size: 13px;
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  backdrop-filter: blur(8px);
  white-space: nowrap;
}

.hero-tag .lock-icon {
  width: 16px;
  height: 16px;
}

/* 信任条 */
.trust-bar {
  background: var(--bg-alt);
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
}

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

.trust-item {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  display: flex;
  align-items: center;
  gap: 18px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

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

.trust-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(31,111,79,.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--primary);
}

.trust-num {
  font-family: var(--font-num);
  font-size: 26px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
}

.trust-label {
  font-size: 13px;
  color: var(--text-light);
  margin-top: 2px;
}

/* 板块 */
.section {
  padding: 80px 0;
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 48px;
}

.section-header .section-title {
  font-size: 30px;
  font-weight: 800;
  color: var(--text);
  line-height: 1.3;
  position: relative;
}

.section-header .section-title::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 24px;
  background: var(--primary);
  border-radius: 2px;
  margin-right: 12px;
  vertical-align: middle;
}

.section-header .section-sub {
  font-size: 15px;
  color: var(--text-light);
  margin-top: 8px;
  line-height: 1.6;
}

.section-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}

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

/* 优惠阶梯 */
.features-section {
  background: var(--white);
}

.steps-wrap {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}

.step-card {
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--border);
  position: relative;
}

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

.step-card.featured {
  background: var(--dark);
  border-color: var(--dark);
  box-shadow: 0 16px 36px rgba(28,28,26,.18);
  color: var(--white);
}

.step-card.featured:hover {
  box-shadow: 0 20px 44px rgba(28,28,26,.24);
}

.step-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: rgba(31,111,79,.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
}

.step-card.featured .step-icon {
  background: rgba(242,183,5,.15);
}

.step-name {
  font-size: 19px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.step-card.featured .step-name {
  color: var(--white);
}

.step-desc {
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: 18px;
}

.step-card.featured .step-desc {
  color: rgba(255,255,255,.7);
}

.step-list {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
}

.step-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--text);
  margin-bottom: 10px;
  line-height: 1.5;
}

.step-card.featured .step-list li {
  color: rgba(255,255,255,.9);
}

.step-list li::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
  margin-top: 8px;
  flex-shrink: 0;
}

.step-card.featured .step-list li::before {
  background: var(--accent);
}

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

.step-card.featured .step-link {
  color: var(--accent);
}

.step-link:hover {
  gap: 8px;
}

.step-link .arrow {
  transition: transform .3s;
}

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

/* 套餐对比 */
.compare-section {
  background: var(--bg-alt);
}

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

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

.compare-table th,
.compare-table td {
  padding: 18px 20px;
  text-align: center;
  font-size: 14px;
  border-bottom: 1px solid var(--border);
}

.compare-table thead th {
  background: var(--white);
  font-weight: 700;
  color: var(--text);
  font-size: 15px;
  padding: 24px 20px;
}

.compare-table thead th .plan-sub {
  display: block;
  font-size: 13px;
  font-weight: 400;
  color: var(--text-light);
  margin-top: 4px;
}

.compare-table thead th.recommended {
  background: rgba(242,183,5,.08);
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
}

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

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

.compare-table tbody tr:hover td {
  background: #FBFBF9;
}

.compare-table .badge-recommend {
  display: inline-block;
  background: var(--accent);
  color: var(--dark);
  font-size: 12px;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  margin-bottom: 4px;
  letter-spacing: .5px;
}

.compare-table .check {
  color: var(--primary);
  font-weight: 700;
}

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

.compare-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* 限时入口 */
.promo-section {
  background: var(--dark);
  position: relative;
  overflow: hidden;
}

.promo-section::after {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(31,111,79,.3) 0%, transparent 70%);
}

.promo-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  padding: 56px 0;
}

.promo-left .promo-tag {
  display: inline-block;
  background: rgba(242,183,5,.18);
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  letter-spacing: 1px;
  margin-bottom: 16px;
  border: 1px solid rgba(242,183,5,.25);
}

.promo-left h3 {
  font-size: 26px;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 10px;
  line-height: 1.3;
}

.promo-left p {
  color: rgba(255,255,255,.75);
  font-size: 14px;
  line-height: 1.6;
}

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

.countdown-label {
  color: rgba(255,255,255,.7);
  font-size: 13px;
  margin-right: 4px;
  white-space: nowrap;
}

.countdown-box {
  background: var(--white);
  color: var(--text);
  font-family: var(--font-num);
  font-size: 28px;
  font-weight: 700;
  border-radius: var(--radius-md);
  padding: 8px 14px;
  min-width: 62px;
  text-align: center;
  box-shadow: 0 4px 12px rgba(0,0,0,.2);
}

.countdown-sep {
  color: var(--accent);
  font-size: 24px;
  font-weight: 700;
}

.promo-right {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-shrink: 0;
}

/* 最新资讯 */
.news-section {
  background: var(--white);
}

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

.news-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
  display: block;
  color: var(--text);
}

.news-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
  color: var(--text);
}

.news-thumb {
  position: relative;
  height: 180px;
  overflow: hidden;
}

.news-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}

.news-card:hover .news-thumb img {
  transform: scale(1.06);
}

.news-cat {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(28,28,26,.75);
  color: var(--white);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  backdrop-filter: blur(4px);
  letter-spacing: .5px;
}

.news-body {
  padding: 20px;
}

.news-body h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.5;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-body p {
  font-size: 13px;
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 12px;
  color: var(--text-light);
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.news-card-static {
  border: 2px dashed var(--border);
  box-shadow: none;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 220px;
  grid-column: 1 / -1;
}

.news-card-static:hover {
  border-color: var(--primary);
  transform: none;
  box-shadow: none;
  background: rgba(31,111,79,.03);
}

.static-content {
  text-align: center;
  padding: 32px;
}

.static-icon {
  font-size: 40px;
  margin-bottom: 12px;
  display: block;
}

.static-content h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}

.static-content p {
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: 16px;
}

.empty-tip {
  grid-column: 1 / -1;
  text-align: center;
  padding: 40px;
  background: var(--bg);
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
  color: var(--text-light);
  font-size: 14px;
}

/* 咨询表单 */
.contact-section {
  background: var(--bg-alt);
}

.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 44px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}

.contact-left h2 {
  font-size: 26px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 16px;
  line-height: 1.3;
}

.contact-left p {
  color: var(--text-light);
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 20px;
}

.contact-points {
  list-style: none;
  margin-top: 24px;
}

.contact-points li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text);
  margin-bottom: 10px;
}

.contact-points li .icon {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(31,111,79,.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  color: var(--primary);
  flex-shrink: 0;
}

.contact-form {
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid var(--border);
}

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

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.form-group input,
.form-group select {
  width: 100%;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0 14px;
  font-size: 14px;
  color: var(--text);
  background: var(--white);
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(31,111,79,.1);
}

.form-group input::placeholder {
  color: #B0AFAA;
}

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B6B66' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
}

.form-group .btn {
  width: 100%;
  margin-top: 8px;
}

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

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

.faq-item {
  background: var(--bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: rgba(31,111,79,.3);
}

.faq-item details > summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 24px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: var(--transition);
}

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

.faq-item details > summary .faq-arrow {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform .3s ease;
  color: var(--primary);
}

.faq-item details[open] > summary .faq-arrow {
  transform: rotate(180deg);
}

.faq-item details[open] > summary {
  border-bottom: 1px solid var(--border);
}

.faq-item .faq-answer {
  padding: 16px 24px 20px;
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.8;
}

.faq-item .faq-answer p {
  margin: 0;
}

/* CTA */
.cta-section {
  background: var(--dark);
  position: relative;
  overflow: hidden;
  padding: 0;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(31,111,79,.4) 0%, transparent 60%);
  pointer-events: none;
}

.cta-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 72px 24px;
}

.cta-inner h2 {
  font-size: 32px;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 14px;
  line-height: 1.3;
}

.cta-inner p {
  color: rgba(255,255,255,.8);
  font-size: 16px;
  margin-bottom: 32px;
  line-height: 1.7;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* 页脚 */
.footer {
  background: #161614;
  color: rgba(255,255,255,.7);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

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

.footer-brand .footer-logo .logo-text {
  color: var(--white);
}

.footer-brand .footer-logo .logo-text strong {
  color: var(--accent);
}

.footer-brand p {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255,255,255,.6);
  max-width: 280px;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 24px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  color: rgba(255,255,255,.6);
  font-size: 13px;
  transition: var(--transition);
}

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

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,.6);
  margin-bottom: 10px;
}

.footer-contact li .fc-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--primary);
}

.footer-bottom {
  padding: 20px 0 24px;
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: rgba(255,255,255,.45);
  margin-bottom: 8px;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.footer-links a {
  color: rgba(255,255,255,.5);
  font-size: 12px;
}

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

/* 移动端导航面板 */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  z-index: 999;
  padding: 20px 24px;
  transform: translateY(-20px);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.mobile-menu.open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.mobile-menu ul {
  list-style: none;
}

.mobile-menu ul li {
  margin-bottom: 8px;
}

.mobile-menu ul li a {
  display: block;
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
  padding: 10px 14px;
  border-radius: var(--radius-md);
}

.mobile-menu ul li a:hover,
.mobile-menu ul li a.active {
  background: rgba(31,111,79,.08);
  color: var(--primary);
}

.mobile-menu .mobile-cta {
  margin-top: 16px;
}

.mobile-menu .mobile-cta .btn {
  width: 100%;
}

/* 响应式 */
@media (max-width: 1024px) {
  .hero h1 {
    font-size: 36px;
  }
  .steps-wrap {
    gap: 16px;
  }
  .step-card {
    padding: 28px 20px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .news-card-static {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 56px 0;
  }
  .nav-links {
    display: none;
  }
  .nav-cta .btn-header-nav {
    display: none;
  }
  .hamburger {
    display: flex;
  }
  .mobile-menu.open {
    display: block;
  }
  .hero {
    min-height: 460px;
  }
  .hero h1 {
    font-size: 30px;
  }
  .hero-sub {
    font-size: 15px;
  }
  .hero-inner {
    padding: 40px 20px;
    flex-direction: column;
    align-items: flex-start;
    gap: 32px;
  }
  .hero-tag {
    align-self: flex-start;
  }
  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .steps-wrap {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }
  .step-card.featured {
    order: -1;
  }
  .compare-wrap {
    border-radius: var(--radius-lg);
  }
  .promo-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
    padding: 48px 0;
  }
  .promo-right {
    width: 100%;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
  }
  .contact-wrap {
    grid-template-columns: 1fr;
    padding: 28px;
    gap: 32px;
  }
  .news-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .cta-inner h2 {
    font-size: 26px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 32px;
  }
  .section-header .section-title {
    font-size: 24px;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .trust-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .trust-item {
    padding: 16px;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  .trust-num {
    font-size: 22px;
  }
  .hero h1 {
    font-size: 26px;
  }
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .compare-table th,
  .compare-table td {
    padding: 14px 12px;
    font-size: 13px;
  }
  .countdown-box {
    font-size: 22px;
    min-width: 50px;
    padding: 6px 10px;
  }
  .contact-form {
    padding: 20px;
  }
  .faq-item details > summary {
    padding: 16px 18px;
    font-size: 14px;
  }
  .faq-item .faq-answer {
    padding: 14px 18px;
    font-size: 13px;
  }
  .footer-grid {
    gap: 24px;
  }
  .footer-bottom {
    padding: 16px 0 24px;
  }
}

@media (min-width: 769px) {
  .mobile-menu {
    display: none !important;
  }
}

/* 通用状态 */
::selection {
  background: rgba(31,111,79,.15);
  color: var(--primary-dark);
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-alt);
}

::-webkit-scrollbar-thumb {
  background: rgba(28,28,26,.25);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(28,28,26,.4);
}

/* roulang page: article */
:root {
  --color-primary: #1F6F4F;
  --color-primary-dark: #174F38;
  --color-primary-light: #EAF3EE;
  --color-accent: #F2B705;
  --color-accent-hover: #FFC62E;
  --color-bg: #FAF9F7;
  --color-surface: #FFFFFF;
  --color-dark: #1C1C1A;
  --color-dark-soft: #242422;
  --color-text: #2A2A28;
  --color-text-light: #6B6B66;
  --color-border: #E8E6E1;
  --radius-card: 16px;
  --radius-btn: 10px;
  --radius-tag: 999px;
  --shadow-card: 0 2px 8px rgba(28,28,26,.06);
  --shadow-hover: 0 12px 28px rgba(28,28,26,.10);
  --space-section: 84px;
  --container: 1200px;
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-number: "DIN Alternate", "Bahnschrift", "Segoe UI", var(--font-sans);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .25s ease, background .25s ease, box-shadow .25s ease, transform .25s ease; }
button { font-family: inherit; cursor: pointer; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  border-radius: var(--radius-btn);
  border: 2px solid transparent;
  transition: all .25s ease;
  white-space: nowrap;
}
.btn:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; }
.btn-accent { background: var(--color-accent); color: var(--color-dark); border-color: var(--color-accent); }
.btn-accent:hover { background: var(--color-accent-hover); border-color: var(--color-accent-hover); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(242,183,5,.28); }
.btn-accent:active { transform: translateY(0); }
.btn-primary { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.btn-primary:hover { background: var(--color-primary-dark); border-color: var(--color-primary-dark); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(31,111,79,.22); }
.btn-primary:active { transform: translateY(0); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.65); }
.btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,.08); transform: translateY(-2px); }
.tag {
  display: inline-flex;
  align-items: center;
  padding: 5px 14px;
  font-size: 12px;
  font-weight: 600;
  line-height: 1;
  border-radius: var(--radius-tag);
  letter-spacing: .02em;
}
.tag-green { background: var(--color-primary); color: #fff; }
.tag-outline { background: transparent; border: 1px solid var(--color-border); color: var(--color-text-light); }
.tag-yellow { background: rgba(242,183,5,.16); color: #8A6A00; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 40px; gap: 24px; }
.section-head h2 { font-size: clamp(26px, 3vw, 32px); font-weight: 800; color: var(--color-dark); letter-spacing: -0.02em; line-height: 1.3; }
.section-head .link-more { font-size: 15px; font-weight: 600; color: var(--color-primary); display: inline-flex; align-items: center; gap: 6px; }
.section-head .link-more:hover { color: var(--color-primary-dark); }
.section-head .link-more svg { transition: transform .25s ease; }
.section-head .link-more:hover svg { transform: translateX(4px); }

.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(250,249,247,0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(232,230,225,0.75);
  transition: box-shadow .3s ease, background .3s ease;
}
.site-header.scrolled { box-shadow: 0 4px 24px rgba(28,28,26,.07); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 24px; }
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(31,111,79,.2);
}
.logo-mark svg { width: 24px; height: 24px; }
.logo-text { font-size: 18px; font-weight: 600; color: var(--color-dark); letter-spacing: .01em; }
.logo-text strong { color: var(--color-primary); font-weight: 800; }
.nav-links { display: flex; align-items: center; gap: 34px; }
.nav-links a {
  position: relative;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  padding: 8px 2px;
  transition: color .25s ease;
}
.nav-links a:hover { color: var(--color-primary); }
.nav-links a.active { color: var(--color-primary); font-weight: 700; }
.nav-links a.active::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
}
.header-actions { display: flex; align-items: center; gap: 14px; }
.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: 10px;
  align-items: center;
  justify-content: center;
  transition: background .25s ease, border-color .25s ease;
}
.nav-toggle:hover { border-color: var(--color-primary); background: var(--color-primary-light); }
.nav-toggle svg { width: 22px; height: 22px; stroke: var(--color-text); }
.nav-toggle.active svg { stroke: var(--color-primary); }

.breadcrumb-wrap { background: var(--color-surface); border-bottom: 1px solid var(--color-border); padding: 18px 0; margin-top: 72px; }
.breadcrumb { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; font-size: 13px; color: var(--color-text-light); }
.breadcrumb a { color: var(--color-text-light); transition: color .2s ease; }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb .sep { color: #C9C6C0; margin: 0 2px; }
.breadcrumb .current { color: var(--color-text); font-weight: 500; }

.article-main { padding: 56px 0 32px; }
.article-shell {
  max-width: 860px;
  margin: 0 auto;
  background: var(--color-surface);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.article-inner { padding: 48px 56px 40px; }
.article-header { max-width: 760px; margin: 0 auto; }
.article-header h1 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  line-height: 1.35;
  color: var(--color-dark);
  letter-spacing: -0.015em;
  margin-bottom: 24px;
}
.article-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 14px 22px; margin-bottom: 32px; }
.meta-item { display: inline-flex; align-items: center; gap: 7px; font-size: 14px; color: var(--color-text-light); }
.meta-item svg { width: 16px; height: 16px; stroke: currentColor; }
.article-cover { position: relative; border-radius: 14px; overflow: hidden; margin-bottom: 36px; }
.article-cover img { width: 100%; height: auto; object-fit: cover; aspect-ratio: 16/8; }
.article-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(28,28,26,0) 60%, rgba(28,28,26,.12));
  pointer-events: none;
}
.article-body {
  font-size: 16px;
  line-height: 1.85;
  color: var(--color-text);
}
.article-body p { margin-bottom: 1em; }
.article-body h3 { font-size: 22px; font-weight: 700; color: var(--color-dark); margin: 36px 0 14px; line-height: 1.4; }
.article-body h4 { font-size: 18px; font-weight: 700; color: var(--color-dark); margin: 30px 0 12px; line-height: 1.4; }
.article-body strong { color: var(--color-dark); font-weight: 700; }
.article-body a { color: var(--color-primary); text-decoration: underline; text-underline-offset: 3px; }
.article-body a:hover { color: var(--color-primary-dark); }
.article-body img { width: 100%; border-radius: 12px; margin: 28px 0; }
.article-body ul, .article-body ol { margin: 0 0 1.2em 1.4em; }
.article-body li { margin-bottom: .45em; }
.article-body blockquote {
  border-left: 4px solid var(--color-primary);
  background: var(--color-primary-light);
  padding: 16px 24px;
  border-radius: 0 12px 12px 0;
  margin: 28px 0;
  font-size: 15px;
  color: var(--color-text);
}
.article-body table { width: 100%; border-collapse: collapse; margin: 28px 0; font-size: 14px; }
.article-body th, .article-body td { border: 1px solid var(--color-border); padding: 12px 16px; text-align: left; }
.article-body th { background: var(--color-primary); color: #fff; font-weight: 600; }
.article-body tr:nth-child(even) { background: rgba(250,249,247,.8); }
.article-body pre {
  background: var(--color-dark);
  color: #EDEDEA;
  padding: 20px 24px;
  border-radius: 12px;
  overflow-x: auto;
  font-size: 14px;
  font-family: "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  line-height: 1.7;
  margin: 28px 0;
}
.article-body code { font-family: "SF Mono", Menlo, Consolas, monospace; }
.article-foot { max-width: 760px; margin: 40px auto 0; padding-top: 28px; border-top: 1px solid var(--color-border); display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.article-tags { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.article-share { display: flex; align-items: center; gap: 8px; }
.share-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-light);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-btn);
  transition: all .2s ease;
}
.share-btn:hover { color: var(--color-primary); border-color: var(--color-primary); background: var(--color-primary-light); transform: translateY(-1px); }
.share-btn svg { width: 15px; height: 15px; }
.article-back { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 500; color: var(--color-primary); }
.article-back:hover { color: var(--color-primary-dark); gap: 10px; }

.article-notfound { max-width: 620px; margin: 40px auto 80px; text-align: center; background: var(--color-surface); border-radius: var(--radius-card); box-shadow: var(--shadow-card); padding: 64px 40px; }
.article-notfound .nf-icon { width: 68px; height: 68px; margin: 0 auto 24px; background: var(--color-primary-light); border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.article-notfound .nf-icon svg { width: 32px; height: 32px; stroke: var(--color-primary); }
.article-notfound h1 { font-size: 28px; font-weight: 800; color: var(--color-dark); margin-bottom: 12px; }
.article-notfound p { font-size: 15px; color: var(--color-text-light); margin-bottom: 28px; }

.related-section { padding: 56px 0 80px; background: var(--color-bg); }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.related-card {
  display: flex; flex-direction: column;
  background: var(--color-surface);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: all .3s ease;
}
.related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.related-thumb { position: relative; overflow: hidden; aspect-ratio: 16/10; }
.related-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.related-card:hover .related-thumb img { transform: scale(1.05); }
.related-thumb .tag { position: absolute; top: 14px; left: 14px; z-index: 2; }
.related-info { padding: 20px 22px 22px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.related-info h3 { font-size: 17px; font-weight: 700; color: var(--color-dark); line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-date { font-size: 13px; color: var(--color-text-light); margin-top: auto; }
.related-date svg { width: 14px; height: 14px; vertical-align: -2px; margin-right: 4px; }

.cta-strip { padding: 0 0 80px; }
.cta-panel {
  background: linear-gradient(135deg, var(--color-dark) 0%, #2C3B35 100%);
  border-radius: 20px;
  position: relative;
  overflow: hidden;
  padding: 56px 64px;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: center;
}
.cta-panel::before {
  content: '';
  position: absolute;
  top: -80px; right: -40px;
  width: 300px; height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(242,183,5,.12) 0%, transparent 70%);
  pointer-events: none;
}
.cta-left { position: relative; z-index: 1; }
.cta-left .tag { background: rgba(242,183,5,.16); color: var(--color-accent); margin-bottom: 18px; }
.cta-left h2 { font-size: clamp(26px, 3vw, 34px); font-weight: 800; color: #fff; line-height: 1.3; letter-spacing: -0.015em; margin-bottom: 14px; }
.cta-left p { font-size: 15px; color: rgba(255,255,255,.72); line-height: 1.7; max-width: 420px; }
.cta-form { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.cta-form .form-field { display: flex; flex-direction: column; gap: 6px; }
.cta-form .form-field.full { grid-column: 1 / -1; }
.cta-form label { font-size: 13px; font-weight: 500; color: rgba(255,255,255,.7); }
.cta-form input, .cta-form select {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: var(--radius-btn);
  color: #fff;
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: border-color .25s ease, background .25s ease, box-shadow .25s ease;
  appearance: none;
}
.cta-form input::placeholder { color: rgba(255,255,255,.45); }
.cta-form input:focus, .cta-form select:focus { border-color: var(--color-accent); background: rgba(255,255,255,.12); box-shadow: 0 0 0 3px rgba(242,183,5,.15); }
.cta-form select option { color: var(--color-dark); background: #fff; }
.cta-form .btn { grid-column: 1 / -1; margin-top: 4px; }
.cta-form .form-note { grid-column: 1 / -1; font-size: 12px; color: rgba(255,255,255,.45); text-align: center; }

.footer { background: #171715; color: rgba(255,255,255,.7); padding: 72px 0 28px; margin-top: 32px; }
.footer a { color: rgba(255,255,255,.7); transition: color .25s ease; }
.footer a:hover { color: var(--color-accent); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; margin-bottom: 48px; }
.footer-brand .footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; }
.footer-brand p { font-size: 14px; line-height: 1.8; max-width: 340px; }
.footer-col h4 { font-size: 15px; font-weight: 600; color: #fff; margin-bottom: 18px; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 12px; font-size: 14px; }
.footer-col ul.footer-contact li { display: flex; align-items: flex-start; gap: 8px; }
.footer-contact .fc-icon { flex-shrink: 0; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding-top: 24px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 13px; color: rgba(255,255,255,.45); }
.footer-links { display: flex; gap: 18px; }

@media (max-width: 1024px) {
  .container { padding: 0 20px; }
  .cta-panel { padding: 44px 40px; grid-template-columns: 1fr; gap: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .article-inner { padding: 36px 32px 32px; }
}
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 72px;
    left: 0; right: 0;
    background: var(--color-surface);
    flex-direction: column;
    gap: 0;
    padding: 12px 24px 20px;
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 20px 32px rgba(28,28,26,.08);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: all .3s ease;
    align-items: stretch;
  }
  .nav-links.open { transform: translateY(0); opacity: 1; visibility: visible; }
  .nav-links a { padding: 14px 4px; border-bottom: 1px solid var(--color-border); }
  .nav-links a.active::after { display: none; }
  .nav-links a.active { background: var(--color-primary-light); border-radius: 8px; padding-left: 12px; }
  .nav-toggle { display: inline-flex; }
  .header-actions .btn-login { display: none; }
  .related-grid { grid-template-columns: 1fr; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 12px; }
  .breadcrumb-wrap { padding: 14px 0; }
  .breadcrumb { font-size: 12px; }
  .article-main { padding: 32px 0 20px; }
  .article-shell { border-radius: 12px; }
  .article-inner { padding: 24px 20px 28px; }
  .article-header h1 { font-size: 24px; margin-bottom: 18px; }
  .article-meta { gap: 10px 16px; margin-bottom: 24px; font-size: 13px; }
  .article-cover { margin-bottom: 24px; border-radius: 10px; }
  .article-foot { flex-direction: column; align-items: flex-start; }
  .cta-strip { padding-bottom: 60px; }
  .cta-panel { padding: 36px 24px; }
  .cta-form { grid-template-columns: 1fr; }
  .footer { padding: 56px 0 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 520px) {
  .header-inner { height: 64px; }
  .logo-text { font-size: 16px; }
  .logo-mark { width: 34px; height: 34px; border-radius: 10px; }
  .nav-links { top: 64px; }
  .article-header h1 { font-size: 22px; }
  .meta-item { font-size: 13px; }
  .related-info h3 { font-size: 16px; }
  .cta-left h2 { font-size: 24px; }
  .btn { padding: 12px 22px; }
}

/* roulang page: category1 */
:root {
  --primary: #1F6F4F;
  --primary-light: #2A8A62;
  --primary-dark: #18543C;
  --accent: #F2B705;
  --accent-dark: #D9A205;
  --bg: #FAF9F7;
  --bg-alt: #F0EFEC;
  --dark: #1C1C1A;
  --text: #2B2B28;
  --text-light: #6B6B66;
  --border: #E5E4E0;
  --white: #FFFFFF;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 8px;
  --radius-pill: 999px;
  --shadow-sm: 0 2px 8px rgba(28,28,26,.06);
  --shadow-md: 0 6px 20px rgba(28,28,26,.08);
  --shadow-lg: 0 12px 28px rgba(28,28,26,.10);
  --container: 1200px;
  --section-space: 80px;
  --transition: all .3s ease;
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:15px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:var(--transition);}
a:hover{color:var(--primary-light);}
ul{list-style:none;}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;}
@media(max-width:768px){.container{padding:0 20px;}}

/* Header */
.header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(250,249,247,.96);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(28,28,26,.06);
  transition:box-shadow .3s ease;
}
.header.scrolled{box-shadow:0 4px 20px rgba(28,28,26,.07);}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;
}
.logo{
  display:flex;align-items:center;gap:10px;
  font-size:17px;font-weight:600;color:var(--text);
  line-height:1.2;
}
.logo-mark{
  width:38px;height:38px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:var(--primary);
  flex-shrink:0;
}
.logo-text strong{font-weight:800;color:var(--primary);}
.logo-text{font-size:15px;letter-spacing:.2px;}
.nav-links{
  display:flex;align-items:center;gap:28px;
}
.nav-links a{
  color:var(--text);font-size:15px;font-weight:500;
  padding:8px 2px;position:relative;
}
.nav-links a::after{
  content:'';position:absolute;left:0;bottom:0;width:0;height:2px;
  background:var(--primary);border-radius:2px;transition:width .3s ease;
}
.nav-links a:hover{color:var(--primary);}
.nav-links a:hover::after{width:100%;}
.nav-links a.active{color:var(--primary);font-weight:700;}
.nav-links a.active::after{width:100%;}
.nav-cta{margin-left:8px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:12px 28px;border-radius:var(--radius-md);
  font-size:15px;font-weight:600;line-height:1.4;
  border:none;cursor:pointer;transition:var(--transition);
  text-decoration:none;gap:8px;
}
.btn-primary{
  background:var(--accent);color:var(--dark);
  box-shadow:0 2px 8px rgba(242,183,5,.35);
}
.btn-primary:hover{
  background:#FFC820;color:var(--dark);
  transform:translateY(-2px);
  box-shadow:0 6px 16px rgba(242,183,5,.4);
}
.btn-primary:active{transform:translateY(0);}
.btn-outline{
  background:transparent;color:var(--white);
  border:2px solid rgba(255,255,255,.7);
}
.btn-outline:hover{
  border-color:var(--white);color:var(--white);
  background:rgba(255,255,255,.08);
  transform:translateY(-2px);
}
.btn-dark{
  background:var(--dark);color:var(--white);
}
.btn-dark:hover{
  background:#333330;color:var(--white);
  transform:translateY(-2px);
}
.btn-ghost{
  background:transparent;color:var(--primary);
  border:1.5px solid var(--primary);
}
.btn-ghost:hover{
  background:var(--primary);color:var(--white);
  transform:translateY(-2px);
}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn:focus-visible,
a:focus-visible,
button:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
}
.header .btn-primary{height:42px;padding:0 24px;font-size:14px;border-radius:var(--radius-md);}

/* Burger */
.burger{
  display:none;flex-direction:column;gap:5px;
  background:none;border:none;cursor:pointer;
  padding:8px;border-radius:8px;
}
.burger span{
  display:block;width:24px;height:2px;
  background:var(--text);border-radius:2px;
  transition:var(--transition);
}
.burger.active span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.burger.active span:nth-child(2){opacity:0;}
.burger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* Category Hero */
.cat-hero{
  position:relative;
  margin-top:72px;
  padding:88px 0 72px;
  background:linear-gradient(135deg,rgba(28,28,26,.85) 0%,rgba(28,28,26,.55) 60%,rgba(28,28,26,.25) 100%),url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  color:var(--white);
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 16px;border-radius:var(--radius-pill);
  background:rgba(242,183,5,.15);
  border:1px solid rgba(242,183,5,.4);
  color:var(--accent);
  font-size:13px;font-weight:600;
  margin-bottom:20px;
  letter-spacing:.4px;
}
.cat-hero h1{
  font-size:40px;font-weight:800;line-height:1.25;
  margin-bottom:16px;letter-spacing:0;
}
.cat-hero h1 span{color:var(--accent);}
.cat-hero p{
  font-size:16px;line-height:1.8;
  max-width:680px;color:rgba(255,255,255,.9);
}
@media(max-width:768px){
  .cat-hero{padding:60px 0 44px;}
  .cat-hero h1{font-size:28px;}
  .cat-hero p{font-size:15px;}
}

/* Stats Bar */
.cat-stats{
  background:var(--dark);
  padding:52px 0;
  position:relative;
  overflow:hidden;
}
.cat-stats::before{
  content:'';position:absolute;top:0;left:0;right:0;bottom:0;
  background:radial-gradient(circle at 20% 50%,rgba(31,111,79,.25) 0%,transparent 60%),
             radial-gradient(circle at 80% 20%,rgba(242,183,5,.15) 0%,transparent 50%);
  pointer-events:none;
}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:32px;
  position:relative;z-index:2;
}
.stat-item{text-align:center;}
.stat-num{
  font-family:"DIN Alternate","Roboto Condensed","Arial Narrow",sans-serif;
  font-size:42px;font-weight:800;color:var(--accent);
  line-height:1.1;margin-bottom:6px;
}
.stat-label{font-size:14px;color:rgba(255,255,255,.75);letter-spacing:.3px;}
@media(max-width:768px){
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:28px;}
  .stat-num{font-size:32px;}
}

/* Main Layout */
.cat-main{
  padding:72px 0 60px;
}
.cat-layout{
  display:grid;
  grid-template-columns:1fr 360px;
  gap:48px;
  align-items:start;
}
@media(max-width:992px){
  .cat-layout{grid-template-columns:1fr;gap:40px;}
}

/* Content Column */
.cat-content{min-width:0;}

/* Section headers */
.section-head{
  margin-bottom:28px;
}
.section-head h2{
  font-size:26px;font-weight:800;color:var(--text);
  line-height:1.3;margin-bottom:8px;
  position:relative;padding-left:16px;
}
.section-head h2::before{
  content:'';position:absolute;left:0;top:6px;bottom:6px;
  width:5px;border-radius:3px;background:var(--accent);
}
.section-head p{color:var(--text-light);font-size:14px;}

/* Intro block */
.intro-block{
  background:var(--white);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);
  padding:36px;
  margin-bottom:40px;
  border:1px solid rgba(28,28,26,.04);
  transition:var(--transition);
}
.intro-block:hover{box-shadow:var(--shadow-md);}
.intro-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:32px;
  align-items:center;
}
.intro-text h3{
  font-size:20px;font-weight:700;line-height:1.4;
  margin-bottom:14px;color:var(--text);
}
.intro-text p{
  font-size:15px;line-height:1.8;color:#3A3A36;
  margin-bottom:14px;
}
.intro-text ul{
  padding:0;
}
.intro-text ul li{
  position:relative;padding-left:22px;
  font-size:14px;color:var(--text-light);
  margin-bottom:8px;line-height:1.6;
}
.intro-text ul li::before{
  content:'✓';position:absolute;left:0;top:0;
  color:var(--primary);font-weight:700;font-size:15px;
}
.intro-image{
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-md);
}
.intro-image img{
  width:100%;height:100%;object-fit:cover;min-height:260px;
  transition:transform .5s ease;
}
.intro-block:hover .intro-image img{transform:scale(1.03);}
@media(max-width:768px){
  .intro-grid{grid-template-columns:1fr;}
  .intro-block{padding:24px;}
}

/* Feature Grid */
.feature-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px;
  margin-bottom:40px;
}
@media(max-width:768px){
  .feature-grid{grid-template-columns:1fr;}
}
.feat-card{
  background:var(--white);
  border-radius:var(--radius-lg);
  padding:28px 24px;
  border:1px solid rgba(28,28,26,.04);
  box-shadow:var(--shadow-sm);
  transition:var(--transition);
  position:relative;
  overflow:hidden;
}
.feat-card::after{
  content:'';position:absolute;right:-20px;top:-20px;
  width:80px;height:80px;border-radius:50%;
  background:rgba(31,111,79,.05);
  transition:var(--transition);
}
.feat-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-lg);
}
.feat-card:hover::after{transform:scale(1.6);}
.feat-icon{
  width:48px;height:48px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);
  color:var(--white);font-size:22px;
  margin-bottom:16px;
  box-shadow:0 4px 12px rgba(31,111,79,.25);
  position:relative;z-index:1;
}
.feat-card h3{
  font-size:17px;font-weight:700;color:var(--text);
  margin-bottom:8px;line-height:1.4;
}
.feat-card p{
  font-size:13.5px;color:var(--text-light);
  line-height:1.65;
}

/* Recommend Card */
.recommend-card{
  background:linear-gradient(135deg,var(--dark) 0%,#2A2A26 100%);
  border-radius:var(--radius-lg);
  overflow:hidden;
  display:grid;
  grid-template-columns:1.4fr 1fr;
  box-shadow:var(--shadow-lg);
  margin-bottom:0;
}
@media(max-width:768px){
  .recommend-card{grid-template-columns:1fr;}
}
.recommend-info{
  padding:36px 32px;
  color:var(--white);
}
.recommend-info .badge{
  display:inline-block;
  padding:4px 14px;
  border-radius:var(--radius-pill);
  background:rgba(242,183,5,.15);
  border:1px solid rgba(242,183,5,.35);
  color:var(--accent);
  font-size:12px;font-weight:600;
  margin-bottom:14px;
}
.recommend-info h3{
  font-size:22px;font-weight:800;line-height:1.4;
  margin-bottom:12px;color:#fff;
}
.recommend-info p{
  font-size:14px;line-height:1.7;
  color:rgba(255,255,255,.75);
  margin-bottom:20px;
}
.recommend-card .btn{
  background:var(--accent);color:var(--dark);
  font-weight:700;
}
.recommend-card .btn:hover{
  background:#FFC820;transform:translateY(-2px);
}
.recommend-image{
  min-height:220px;
  overflow:hidden;
}
.recommend-image img{
  width:100%;height:100%;object-fit:cover;
}

/* Sidebar */
.cat-sidebar{
  display:flex;flex-direction:column;gap:24px;
}
.side-card{
  background:var(--white);
  border-radius:var(--radius-lg);
  padding:28px 24px;
  box-shadow:var(--shadow-sm);
  border:1px solid rgba(28,28,26,.04);
  transition:var(--transition);
}
.side-card:hover{box-shadow:var(--shadow-md);}
.side-card h3{
  font-size:16px;font-weight:700;color:var(--text);
  margin-bottom:12px;
  padding-bottom:12px;
  border-bottom:1px solid var(--border);
  position:relative;
}
.side-card h3::after{
  content:'';position:absolute;left:0;bottom:-1px;
  width:32px;height:2px;background:var(--accent);border-radius:2px;
}
.side-card p{
  font-size:14px;color:var(--text-light);
  line-height:1.75;margin-bottom:16px;
}
.entry-card{
  background:linear-gradient(160deg,var(--primary) 0%,var(--primary-dark) 100%);
  color:var(--white);
  border:none;
  overflow:hidden;
  position:relative;
}
.entry-card::before{
  content:'';position:absolute;right:-40px;bottom:-40px;
  width:140px;height:140px;border-radius:50%;
  background:rgba(242,183,5,.12);
}
.entry-card h3{
  color:var(--white);border-bottom-color:rgba(255,255,255,.15);
}
.entry-card h3::after{background:var(--accent);}
.entry-card p{color:rgba(255,255,255,.8);}
.entry-card .btn{
  background:var(--accent);color:var(--dark);
  width:100%;font-weight:700;
}
.entry-card .btn:hover{background:#FFC820;transform:translateY(-2px);}
.contact-list{
  display:flex;flex-direction:column;gap:10px;
}
.contact-item{
  display:flex;align-items:flex-start;gap:12px;
  font-size:14px;color:var(--text);
  line-height:1.5;
}
.contact-item .ci-icon{
  width:34px;height:34px;border-radius:10px;
  background:rgba(31,111,79,.08);
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;font-size:16px;
}
.contact-item a{color:var(--primary);font-weight:500;}
.contact-item a:hover{text-decoration:underline;}
.read-card .read-item{
  display:flex;gap:14px;align-items:flex-start;
  padding:10px 0;
  border-bottom:1px dashed var(--border);
}
.read-card .read-item:last-child{border-bottom:none;padding-bottom:0;}
.read-item img{
  width:64px;height:48px;object-fit:cover;border-radius:8px;
  flex-shrink:0;
}
.read-item .ri-info{
  min-width:0;
}
.read-item .ri-info span{
  display:block;font-size:13px;color:var(--text-light);
  margin-bottom:4px;line-height:1.4;
}
.read-item .ri-info a{
  font-size:14px;font-weight:600;color:var(--text);
  line-height:1.45;display:-webkit-box;
  -webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.read-item .ri-info a:hover{color:var(--primary);}

/* CTA Section */
.cat-cta{
  background:linear-gradient(135deg,var(--dark) 0%,#262622 100%);
  position:relative;
  overflow:hidden;
  padding:64px 0;
}
.cat-cta::before{
  content:'';position:absolute;top:0;left:0;right:0;bottom:0;
  background:url('/assets/images/backpic/back-2.png') center/cover;
  opacity:.12;pointer-events:none;
}
.cat-cta .container{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;
  gap:32px;
}
.cta-text h2{
  font-size:28px;font-weight:800;color:var(--white);
  margin-bottom:8px;
}
.cta-text p{
  font-size:15px;color:rgba(255,255,255,.75);
  line-height:1.7;
}
.cta-actions{flex-shrink:0;}
.cta-actions .btn{white-space:nowrap;}
@media(max-width:768px){
  .cat-cta .container{flex-direction:column;text-align:center;}
  .cta-text h2{font-size:22px;}
}

/* Footer */
.footer{
  background:var(--dark);
  color:rgba(255,255,255,.8);
  padding:64px 0 28px;
  font-size:14px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:48px;
  margin-bottom:48px;
}
.footer-brand .footer-logo{
  display:flex;align-items:center;gap:10px;
  margin-bottom:16px;
}
.footer-logo .logo-mark{
  width:36px;height:36px;border-radius:9px;
  background:var(--primary);
  display:flex;align-items:center;justify-content:center;
}
.footer-logo .logo-text{
  font-size:16px;font-weight:600;color:var(--white);
}
.footer-logo .logo-text strong{color:var(--accent);}
.footer-brand p{
  font-size:13.5px;line-height:1.8;
  color:rgba(255,255,255,.55);
  max-width:340px;
}
.footer-col h4{
  color:var(--white);font-size:16px;font-weight:600;
  margin-bottom:18px;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{
  color:rgba(255,255,255,.6);
  font-size:14px;
  transition:var(--transition);
}
.footer-col ul li a:hover{
  color:var(--accent);
  padding-left:4px;
}
.footer-contact li{
  display:flex;align-items:flex-start;gap:10px;
  color:rgba(255,255,255,.6);
  font-size:13.5px;
  margin-bottom:12px;
}
.footer-contact .fc-icon{flex-shrink:0;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding-top:24px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:16px;
}
.footer-links{display:flex;gap:24px;}
.footer-links a{
  color:rgba(255,255,255,.55);font-size:13.5px;
}
.footer-links a:hover{color:var(--accent);}
.footer-bottom p{
  font-size:13px;color:rgba(255,255,255,.45);
}
@media(max-width:992px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px;}
}
@media(max-width:768px){
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;text-align:center;}
}

/* Responsive */
@media(max-width:992px){
  .cat-layout{grid-template-columns:1fr;}
}
@media(max-width:768px){
  :root{--section-space:56px;}
  .nav-links{
    position:fixed;top:72px;left:0;right:0;
    background:var(--bg);
    flex-direction:column;align-items:stretch;
    gap:0;padding:16px 24px 24px;
    box-shadow:0 20px 40px rgba(28,28,26,.1);
    transform:translateY(-120%);
    transition:transform .35s ease;
    z-index:999;
    border-bottom:1px solid var(--border);
    display:none;
  }
  .nav-links.open{transform:translateY(0);display:flex;}
  .nav-links a{
    padding:14px 12px;
    font-size:16px;
    border-radius:8px;
  }
  .nav-links a.active{
    background:rgba(31,111,79,.08);
    color:var(--primary);
  }
  .nav-links a::after{display:none;}
  .nav-cta{margin-left:0;margin-top:12px;}
  .nav-cta .btn{width:100%;}
  .burger{display:flex;}
  .header-inner{height:64px;}
  .cat-hero{margin-top:64px;}
  .stat-num{font-size:30px;}
  .cat-main{padding:56px 0 44px;}
  .intro-grid{grid-template-columns:1fr;}
  .feature-grid{grid-template-columns:1fr;}
  .recommend-card{grid-template-columns:1fr;}
  .recommend-image{min-height:180px;}
  .cat-cta{padding:48px 0;}
  .cta-actions .btn{width:100%;}
}
@media(max-width:576px){
  .cat-hero h1{font-size:26px;line-height:1.4;}
  .cat-hero p{font-size:14px;}
  .stats-grid{gap:20px;}
  .section-head h2{font-size:22px;}
}