/* roulang page: index */
:root {
  --primary: #0C6B58;
  --primary-hover: #0A5546;
  --primary-light: #E7F0ED;
  --dark-bg: #14181D;
  --dark-text: #EDF0EF;
  --page-bg: #F7F6F4;
  --alt-bg: #EFEDE9;
  --alt-bg-2: #E9E6E0;
  --text-main: #1A1D21;
  --text-secondary: #5B6470;
  --text-placeholder: #9AA0A8;
  --success: #57B894;
  --warning: #C98A3D;
  --border-color: rgba(20, 24, 29, 0.08);
  --radius-card: 14px;
  --radius-btn: 8px;
  --radius-large: 24px;
  --shadow-card: 0 1px 2px rgba(20, 24, 29, 0.05), 0 12px 32px -16px rgba(20, 24, 29, 0.14);
  --shadow-hover: 0 2px 4px rgba(20, 24, 29, 0.06), 0 18px 44px -16px rgba(20, 24, 29, 0.22);
  --transition-base: all 0.28s ease-out;
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-num: "Space Grotesk", "Inter", sans-serif;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text-main);
  background-color: var(--page-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul, ol {
  list-style: none;
}

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

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

input, textarea {
  border: 1px solid rgba(20, 24, 29, 0.12);
  border-radius: var(--radius-btn);
  padding: 12px 14px;
  background: #fff;
  transition: var(--transition-base);
  width: 100%;
}

input:focus, textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(12, 107, 88, 0.18);
}

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: 2px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

.section-padding {
  padding: 96px 0;
}

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

/* ===== 导航栏 ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 72px;
  background: rgba(247, 246, 244, 0.86);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(20, 24, 29, 0.08);
  transition: var(--transition-base);
}

.header-inner {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.logo-mark {
  width: 36px;
  height: 36px;
  background: var(--primary);
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.5px;
  box-shadow: 0 2px 8px rgba(12, 107, 88, 0.28);
}

.logo-text {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.3px;
  white-space: nowrap;
}

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

.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.main-nav a {
  padding: 8px 14px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-main);
  border-radius: 6px;
  position: relative;
  transition: var(--transition-base);
}

.main-nav a:hover {
  color: var(--primary);
  background: rgba(12, 107, 88, 0.06);
}

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

.main-nav a.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 14px;
  right: 14px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}

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

.search-box {
  position: relative;
  width: 220px;
  transition: var(--transition-base);
}

.search-box:focus-within {
  width: 320px;
}

.search-box input {
  background: var(--alt-bg);
  border: none;
  border-radius: var(--radius-btn);
  padding: 10px 40px 10px 38px;
  font-size: 14px;
  color: var(--text-main);
  width: 100%;
  transition: var(--transition-base);
}

.search-box input::placeholder {
  color: var(--text-placeholder);
}

.search-box input:focus {
  background: #fff;
  border: 2px solid var(--primary);
  box-shadow: 0 0 0 4px rgba(12, 107, 88, 0.18);
  padding: 9px 40px 9px 38px;
}

.search-box > i {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-placeholder);
  font-size: 14px;
  pointer-events: none;
}

.kbd-hint {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  gap: 2px;
  font-family: var(--font-num);
  font-size: 11px;
  color: var(--text-placeholder);
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(20, 24, 29, 0.08);
  border-radius: 4px;
  padding: 2px 6px;
  pointer-events: none;
}

.search-results {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  width: 340px;
  background: #fff;
  border-radius: 12px;
  box-shadow: var(--shadow-hover);
  border: 1px solid var(--border-color);
  padding: 8px;
  display: none;
  z-index: 50;
  max-height: 320px;
  overflow-y: auto;
}

.search-box:focus-within .search-results {
  display: block;
}

.search-result-item {
  display: block;
  padding: 12px;
  border-radius: 8px;
  transition: var(--transition-base);
  border-left: 3px solid transparent;
}

.search-result-item:hover {
  background: var(--primary-light);
  border-left-color: var(--primary);
}

.search-result-item h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 2px;
}

.search-result-item p {
  font-size: 12px;
  color: var(--text-placeholder);
}

.no-results {
  padding: 16px;
  text-align: center;
  color: var(--text-placeholder);
  font-size: 14px;
}

.login-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  padding: 8px 12px;
  border-radius: 6px;
  transition: var(--transition-base);
}

.login-link:hover {
  color: var(--primary);
  background: var(--primary-light);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  padding: 12px 20px;
  border-radius: var(--radius-btn);
  transition: var(--transition-base);
  white-space: nowrap;
  border: 1px solid transparent;
  line-height: 1.4;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), transparent);
  opacity: 0;
  transition: var(--transition-base);
}

.btn-primary:hover {
  background: var(--primary-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(12, 107, 88, 0.25);
}

.btn-primary:hover::before {
  opacity: 1;
}

.btn-primary:active {
  transform: scale(0.97);
}

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

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
  color: #fff;
  transform: translateY(-1px);
}

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

.btn-outline-primary:hover {
  background: var(--primary-light);
  border-color: var(--primary-hover);
  color: var(--primary-hover);
  transform: translateY(-1px);
}

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

.btn-white:hover {
  background: var(--primary-light);
  color: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(255, 255, 255, 0.2);
}

.hamburger {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  padding: 8px;
  background: transparent;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
}

.hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
  transition: var(--transition-base);
}

.hamburger.open span:nth-child(1) {
  transform: rotate(45deg) translate(3px, 3px);
}

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

.hamburger.open span:nth-child(3) {
  transform: rotate(-45deg) translate(4px, -4px);
}

.mobile-menu {
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--page-bg);
  z-index: 999;
  padding: 24px;
  display: none;
  opacity: 0;
  transform: translateY(-10px);
  transition: var(--transition-base);
  overflow-y: auto;
}

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

.mobile-menu a {
  display: block;
  padding: 14px 12px;
  font-size: 18px;
  font-weight: 600;
  color: var(--text-main);
  border-radius: 10px;
  border-bottom: 1px solid rgba(20, 24, 29, 0.04);
}

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

.mobile-search {
  margin-bottom: 24px;
  position: relative;
}

.mobile-search input {
  background: #fff;
  border: 1px solid rgba(20, 24, 29, 0.1);
  padding: 14px 44px 14px 16px;
}

.mobile-search button {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  width: 32px;
  height: 32px;
  border-radius: 6px;
  background: var(--primary);
  color: #fff;
  font-size: 13px;
}

/* ===== Hero 首屏 ===== */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  padding: 180px 0 100px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  z-index: -2;
}

.hero-bg::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(105deg, rgba(20, 24, 29, 0.72) 0%, rgba(20, 24, 29, 0.55) 55%, rgba(20, 24, 29, 0.3) 100%);
}

.hero-content {
  display: flex;
  align-items: center;
  gap: 60px;
}

.hero-left {
  flex: 0 0 58%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 30px;
  margin-bottom: 24px;
  backdrop-filter: blur(8px);
}

.hero-badge i {
  color: var(--success);
}

.hero h1 {
  font-size: clamp(40px, 7vw, 72px);
  font-weight: 800;
  line-height: 1.1;
  color: #fff;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
}

.hero-sub {
  font-size: 18px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.85);
  max-width: 520px;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-trust {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
}

.trust-item i {
  color: var(--success);
  font-size: 15px;
}

.hero-right {
  flex: 1;
}

.hero-image-wrap {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-image-wrap img {
  width: 100%;
  height: auto;
  min-height: 440px;
  object-fit: cover;
  transition: var(--transition-base);
}

.hero-image-wrap:hover img {
  transform: scale(1.02);
}

.hero-float-card {
  position: absolute;
  bottom: 20px;
  left: 20px;
  background: rgba(20, 24, 29, 0.85);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.hero-float-card i {
  width: 36px;
  height: 36px;
  background: var(--primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 15px;
}

.hero-float-card span {
  color: #fff;
  font-size: 13px;
  font-weight: 600;
}

.hero-float-card small {
  color: rgba(255, 255, 255, 0.6);
  font-size: 11px;
  display: block;
}

/* ===== 痛点区 ===== */
.problems {
  background: var(--page-bg);
}

.section-head {
  margin-bottom: 56px;
  max-width: 600px;
}

.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-head h2 {
  font-size: clamp(28px, 4.5vw, 44px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.5px;
  color: var(--text-main);
  margin-bottom: 16px;
}

.section-head p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.7;
}

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

.problem-card {
  background: #fff;
  border-radius: var(--radius-card);
  padding: 32px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border-color);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

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

.problem-card.wide {
  grid-column: span 2;
  padding-right: 120px;
}

.problem-number {
  font-family: var(--font-num);
  font-size: 42px;
  font-weight: 700;
  color: #E9E6E0;
  position: absolute;
  top: 24px;
  right: 28px;
  line-height: 1;
}

.problem-icon {
  width: 52px;
  height: 52px;
  border-radius: 13px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.problem-icon i {
  font-size: 22px;
  color: var(--primary);
}

.problem-card h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 10px;
  line-height: 1.4;
}

.problem-card p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.problem-divider {
  height: 1px;
  background: rgba(20, 24, 29, 0.06);
  margin-top: 20px;
}

/* ===== 解决方案 ===== */
.solutions {
  background: #fff;
}

.solution-row {
  display: flex;
  align-items: center;
  gap: 64px;
  margin-bottom: 96px;
}

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

.solution-row.reversed {
  flex-direction: row-reverse;
}

.solution-image {
  flex: 0 0 46%;
  border-radius: 16px;
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-card);
}

.solution-image img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  transition: var(--transition-base);
}

.solution-image:hover img {
  transform: scale(1.02);
}

.solution-tag {
  position: absolute;
  top: 20px;
  left: 20px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 20px;
}

.solution-text {
  flex: 1;
}

.solution-text h2 {
  font-size: clamp(24px, 3.5vw, 36px);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-main);
  margin-bottom: 20px;
}

.solution-text > p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 24px;
}

.solution-list {
  margin-bottom: 28px;
}

.solution-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 16px;
  color: var(--text-main);
  line-height: 1.6;
  margin-bottom: 14px;
}

.solution-list li i {
  color: var(--primary);
  margin-top: 4px;
  font-size: 14px;
  flex-shrink: 0;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: var(--primary);
  position: relative;
  padding-bottom: 3px;
}

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

.text-link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.text-link i {
  font-size: 12px;
  transition: transform 0.28s ease-out;
}

.text-link:hover i {
  transform: translateX(4px);
}

/* ===== 数据带 ===== */
.data-band {
  background: var(--dark-bg);
  padding: 96px 0;
  color: #fff;
}

.data-band-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 56px;
  align-items: flex-start;
}

.data-lead {
  flex: 0 0 40%;
}

.data-lead h2 {
  font-size: clamp(24px, 3.5vw, 38px);
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  line-height: 1.25;
}

.data-lead p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.7;
}

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

.stat-item {
  text-align: left;
  padding: 24px 0;
  position: relative;
}

.stat-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 1px;
  height: 48px;
  background: rgba(255, 255, 255, 0.1);
}

.stat-number {
  font-family: var(--font-num);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 700;
  color: var(--success);
  line-height: 1.2;
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}

.stat-label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
}

/* ===== 客户证言 ===== */
.testimonials {
  background: var(--alt-bg);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 24px;
}

.testimonial-main {
  background: #fff;
  border-radius: var(--radius-card);
  padding: 40px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.testimonial-main .quote-icon {
  font-size: 28px;
  color: var(--primary);
  margin-bottom: 20px;
}

.testimonial-main blockquote {
  font-size: 18px;
  line-height: 1.8;
  color: var(--text-main);
  border: none;
  padding: 0;
  margin: 0 0 24px;
  flex: 1;
}

.testimonial-people {
  display: flex;
  align-items: center;
  gap: 14px;
}

.testimonial-people img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--primary-light);
}

.testimonial-people strong {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  display: block;
}

.testimonial-people span {
  font-size: 13px;
  color: var(--text-secondary);
}

.testimonial-side {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.testimonial-small {
  background: #fff;
  border-radius: var(--radius-card);
  padding: 28px;
  box-shadow: var(--shadow-card);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.testimonial-small blockquote {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-main);
  border: none;
  padding: 0;
  margin: 0 0 16px;
  flex: 1;
}

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

.people-small img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--primary-light);
}

.people-small strong {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
  display: block;
}

.people-small span {
  font-size: 12px;
  color: var(--text-secondary);
}

.stars {
  color: #F5B94A;
  font-size: 13px;
  letter-spacing: 2px;
  margin-bottom: 10px;
}

/* ===== 资讯列表 ===== */
.news-section {
  background: #fff;
}

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

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

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

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

.news-card-media {
  position: relative;
  height: 200px;
  overflow: hidden;
  background: var(--alt-bg-2);
}

.news-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-base);
}

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

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

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 12px;
  align-self: flex-start;
}

.news-card h3 {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text-main);
  margin-bottom: 8px;
}

.news-card h3 a {
  color: var(--text-main);
}

.news-card h3 a:hover {
  color: var(--primary);
}

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

.news-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
  font-size: 12px;
  color: var(--text-placeholder);
}

.news-card-meta time {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.news-card-meta i {
  font-size: 12px;
}

.news-empty {
  text-align: center;
  padding: 60px 24px;
  background: var(--page-bg);
  border-radius: var(--radius-large);
  border: 1px dashed rgba(20, 24, 29, 0.15);
}

.news-empty i {
  font-size: 40px;
  color: var(--text-placeholder);
  margin-bottom: 16px;
  display: block;
}

.news-empty p {
  font-size: 15px;
  color: var(--text-secondary);
}

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

.faq-wrap {
  max-width: 840px;
  margin: 0 auto;
}

.faq-item {
  background: #fff;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition-base);
}

.faq-item.active {
  box-shadow: var(--shadow-card);
  border-color: rgba(12, 107, 88, 0.25);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  transition: var(--transition-base);
  background: transparent;
  text-align: left;
  width: 100%;
}

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

.faq-icon {
  font-size: 18px;
  color: var(--primary);
  transition: transform 0.3s ease-out;
  flex-shrink: 0;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding-bottom: 20px;
}

.faq-answer p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  padding-top: 4px;
}

/* ===== CTA ===== */
.cta-section {
  background: #fff;
  padding: 40px 0 96px;
}

.cta-container {
  background: var(--primary);
  border-radius: var(--radius-large);
  padding: 72px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-container::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.cta-container::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -5%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.cta-container h2 {
  font-size: clamp(24px, 3.5vw, 36px);
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}

.cta-container p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 32px;
  position: relative;
  z-index: 1;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--dark-bg);
  padding: 72px 0 32px;
  color: rgba(255, 255, 255, 0.6);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand {
  max-width: 320px;
}

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

.footer-logo .logo-mark {
  width: 30px;
  height: 30px;
  font-size: 15px;
  border-radius: 7px;
}

.footer-logo .logo-text {
  color: #fff;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.45);
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.45);
  padding: 5px 0;
  transition: var(--transition-base);
}

.footer-col a:hover {
  color: #fff;
  padding-left: 4px;
}

.footer-contact p {
  font-size: 14px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.45);
}

.footer-contact i {
  color: var(--success);
  width: 16px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-bottom p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.3);
}

.footer-bottom .legal-links {
  display: flex;
  gap: 20px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.3);
}

/* ===== 滚动渐入 ===== */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== 响应式 ===== */
@media screen and (max-width: 1024px) {
  .main-nav,
  .site-header .search-box,
  .site-header .login-link {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .header-actions {
    gap: 12px;
  }

  .hero {
    padding-top: 140px;
  }

  .hero-content {
    flex-direction: column;
    gap: 40px;
  }

  .hero-left {
    flex: 0 0 100%;
  }

  .hero h1 {
    font-size: clamp(36px, 10vw, 52px);
  }

  .hero-right {
    width: 100%;
  }

  .hero-image-wrap img {
    min-height: 320px;
  }

  .section-padding {
    padding: 72px 0;
  }

  .solutions .solution-row {
    flex-direction: column;
    gap: 40px;
    margin-bottom: 64px;
  }

  .solutions .solution-row.reversed {
    flex-direction: column;
  }

  .solution-image {
    flex: 0 0 100%;
    width: 100%;
  }

  .data-band-inner {
    flex-direction: column;
    gap: 40px;
  }

  .data-lead {
    flex: 0 0 100%;
  }

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

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

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

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

@media screen and (max-width: 767px) {
  .container {
    padding: 0 16px;
  }

  .section-padding {
    padding: 48px 0;
  }

  .header-inner {
    gap: 12px;
  }

  .logo-text {
    font-size: 16px;
  }

  .btn-primary,
  .btn-outline-light,
  .btn-white {
    padding: 12px 16px;
    font-size: 14px;
  }

  .hero h1 {
    font-size: clamp(32px, 9vw, 42px);
    letter-spacing: -0.5px;
  }

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

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

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

  .hero-trust {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .hero-image-wrap img {
    min-height: 240px;
  }

  .hero-float-card {
    display: none;
  }

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

  .problem-card.wide {
    grid-column: span 1;
    padding-right: 32px;
  }

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

  .stat-item::before {
    display: none;
  }

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

  .testimonials-grid {
    gap: 16px;
  }

  .testimonial-main {
    padding: 24px;
  }

  .testimonial-main blockquote {
    font-size: 15px;
  }

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

  .news-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .cta-container {
    padding: 48px 20px;
    border-radius: 8px;
  }

  .cta-actions {
    flex-direction: column;
  }

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

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

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .section-head h2 {
    font-size: 24px;
  }

  .section-head p {
    font-size: 14px;
  }

  .solution-image img {
    height: 280px;
  }

  .solution-text h2 {
    font-size: 24px;
  }

  .solution-list li {
    font-size: 14px;
  }
}

@media screen and (min-width: 768px) and (max-width: 1023px) {
  .hero-content {
    gap: 32px;
  }

  .hero-left {
    flex: 0 0 100%;
  }

  .solution-image img {
    height: 340px;
  }
}

.reveal .stat-number {
  opacity: 0;
  transition: opacity 0.6s ease-out;
}

.reveal.visible .stat-number {
  opacity: 1;
}

/* roulang page: article */
:root{
  --primary:#0C6B58;
  --primary-hover:#0A5546;
  --primary-light:#E7F0ED;
  --dark:#14181D;
  --dark-text:#EDF0EF;
  --bg:#F7F6F4;
  --bg-alt:#EFEDE9;
  --bg-tint:#E9E6E0;
  --text:#1A1D21;
  --text-secondary:#5B6470;
  --text-muted:#9AA0A8;
  --success:#57B894;
  --warning:#C98A3D;
  --border:rgba(20,24,29,0.08);
  --border-input:rgba(20,24,29,0.12);
  --radius-card:14px;
  --radius-btn:8px;
  --radius-lg:24px;
  --shadow-card:0 1px 2px rgba(20,24,29,0.05),0 12px 32px -16px rgba(20,24,29,0.14);
  --shadow-hover:0 2px 4px rgba(20,24,29,0.06),0 20px 40px -16px rgba(20,24,29,0.22);
  --transition:all 0.25s ease-out;
  --font-sans:"PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Noto Sans SC",sans-serif;
  --font-num:"Space Grotesk","Inter",-apple-system,sans-serif;
  --header-h:72px;
  --container-w:1200px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.6;
  color:var(--text);
  background:var(--bg);
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:var(--transition)}
button,input,select,textarea{font:inherit;color:inherit;border:none;outline:none;background:none}
ul,ol{list-style:none}
.container{max-width:var(--container-w);margin:0 auto;padding:0 24px;position:relative;width:100%}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 24px;
  border-radius:var(--radius-btn);
  font-size:14px;
  font-weight:600;
  line-height:1.4;
  cursor:pointer;
  transition:var(--transition);
  border:1px solid transparent;
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 14px rgba(12,107,88,0.28)}
.btn-primary:hover{background:var(--primary-hover);box-shadow:0 6px 18px rgba(12,107,88,0.36);transform:translateY(-1px)}
.btn-primary:active{transform:scale(0.98)}
.btn-primary::before{content:"";position:absolute;inset:0;border-radius:inherit;box-shadow:inset 0 1px 0 rgba(255,255,255,0.28);opacity:0;transition:var(--transition)}
.btn-primary:hover::before{opacity:1}
.btn-dark{background:var(--dark);color:#fff}
.btn-dark:hover{background:#1f262c;transform:translateY(-1px)}
.btn-outline{background:transparent;color:var(--text);border-color:rgba(20,24,29,0.16)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);background:rgba(12,107,88,0.06)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,0.7)}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,0.12);color:#fff}
.btn-light{background:#fff;color:var(--primary);box-shadow:0 4px 14px rgba(0,0,0,0.12)}
.btn-light:hover{background:var(--primary-light);transform:translateY(-1px);box-shadow:0 6px 18px rgba(0,0,0,0.16)}
.btn-sm{padding:8px 16px;font-size:13px}
.btn-block{width:100%}
.badge{
  display:inline-flex;
  align-items:center;
  gap:4px;
  padding:4px 12px;
  border-radius:999px;
  background:var(--primary-light);
  color:var(--primary);
  font-size:13px;
  font-weight:600;
  line-height:1.5;
  white-space:nowrap;
}
/* Header */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  height:var(--header-h);
  background:rgba(247,246,244,0.86);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:100%;
  gap:24px;
}
.brand-logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:34px;height:34px;
  border-radius:9px;
  background:var(--primary);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:18px;
  letter-spacing:-0.5px;
  box-shadow:0 2px 8px rgba(12,107,88,0.35);
}
.logo-text{font-size:19px;font-weight:800;letter-spacing:-0.3px;color:var(--text)}
.logo-text span{color:var(--primary)}
.main-nav{display:flex;align-items:center;gap:30px}
.main-nav a{
  position:relative;
  font-size:14px;
  font-weight:500;
  color:var(--text-secondary);
  padding:8px 2px;
  transition:var(--transition);
  white-space:nowrap;
}
.main-nav a::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:0;height:2px;
  background:var(--primary);
  border-radius:2px;
  transition:width 0.3s ease-out;
}
.main-nav a:hover{color:var(--text)}
.main-nav a:hover::after{width:100%}
.main-nav a.active{color:var(--primary)}
.main-nav a.active::after{width:100%}
.header-actions{display:flex;align-items:center;gap:16px}
.search-box{
  position:relative;
  display:flex;
  align-items:center;
  width:220px;
  height:38px;
  border-radius:var(--radius-btn);
  background:var(--bg-alt);
  transition:var(--transition);
  overflow:hidden;
}
.search-box:focus-within{
  width:320px;
  background:#fff;
  border:2px solid var(--primary);
  box-shadow:0 0 0 4px rgba(12,107,88,0.18);
}
.search-box .search-icon{
  position:absolute;
  left:12px;
  color:var(--text-muted);
  font-size:13px;
  pointer-events:none;
  transition:var(--transition);
}
.search-box:focus-within .search-icon{color:var(--primary)}
.search-box .nav-search{
  width:100%;
  height:100%;
  padding:0 44px 0 36px;
  font-size:14px;
  color:var(--text);
  background:transparent;
  border:none;
}
.search-box .nav-search::placeholder{color:var(--text-muted)}
.search-box .cmd-k{
  position:absolute;
  right:10px;
  font-size:11px;
  font-weight:600;
  color:var(--text-muted);
  background:rgba(255,255,255,0.7);
  border:1px solid rgba(20,24,29,0.08);
  border-radius:4px;
  padding:2px 6px;
  letter-spacing:0.5px;
  transition:var(--transition);
  font-family:var(--font-num);
}
.search-box:focus-within .cmd-k{opacity:0}
.login-link{font-size:14px;font-weight:500;color:var(--text-secondary);padding:8px 4px}
.login-link:hover{color:var(--primary)}
.header-cta{flex-shrink:0}
.hamburger{
  display:none;
  flex-direction:column;
  gap:5px;
  width:40px;height:40px;
  border-radius:var(--radius-btn);
  background:transparent;
  cursor:pointer;
  align-items:center;
  justify-content:center;
  transition:var(--transition);
}
.hamburger span{display:block;width:20px;height:2px;background:var(--text);border-radius:2px;transition:var(--transition)}
.hamburger:hover{background:var(--bg-alt)}
.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)}
/* Mobile Menu */
.mobile-menu{
  position:fixed;
  top:var(--header-h);
  left:0;right:0;bottom:0;
  background:rgba(247,246,244,0.98);
  backdrop-filter:blur(20px);
  z-index:999;
  padding:32px 24px;
  display:none;
  overflow-y:auto;
}
.mobile-menu.active{display:block}
.mobile-search-box{
  position:relative;
  display:flex;
  align-items:center;
  margin-bottom:28px;
}
.mobile-search-box i{
  position:absolute;
  left:14px;
  color:var(--text-muted);
}
.mobile-search-box input{
  width:100%;
  height:44px;
  border-radius:var(--radius-btn);
  background:var(--bg-alt);
  border:1px solid transparent;
  padding:0 16px 0 42px;
  font-size:15px;
  transition:var(--transition);
}
.mobile-search-box input:focus{
  background:#fff;
  border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(12,107,88,0.15);
}
.mobile-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:32px}
.mobile-nav a{
  display:block;
  padding:14px 0;
  font-size:17px;
  font-weight:500;
  color:var(--text);
  border-bottom:1px solid var(--border);
  transition:var(--transition);
}
.mobile-nav a:hover{color:var(--primary);padding-left:6px}
.mobile-nav a.active{color:var(--primary);font-weight:700}
.mobile-actions{display:flex;flex-direction:column;gap:12px}
/* Banner */
.post-banner{
  position:relative;
  min-height:240px;
  display:flex;
  align-items:center;
  background:var(--dark);
  overflow:hidden;
  padding:72px 0 56px;
}
.post-banner .banner-bg{
  position:absolute;
  inset:0;
  background-size:cover;
  background-position:center;
  opacity:0.55;
  transform:scale(1.05);
  animation:bannerZoom 18s ease-in-out infinite alternate;
}
@keyframes bannerZoom{0%{transform:scale(1)}100%{transform:scale(1.1)}}
.post-banner .banner-overlay{
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(20,24,29,0.82) 0%,rgba(20,24,29,0.55) 55%,rgba(20,24,29,0.3) 100%);
}
.banner-content{
  position:relative;
  z-index:2;
  max-width:880px;
  animation:fadeInUp 0.6s ease-out;
}
@keyframes fadeInUp{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:14px;
  color:rgba(237,240,239,0.7);
  margin-bottom:16px;
}
.breadcrumb a{color:rgba(237,240,239,0.7);transition:var(--transition)}
.breadcrumb a:hover{color:#fff}
.breadcrumb i{font-size:10px;color:rgba(237,240,239,0.4)}
.breadcrumb .current{
  display:inline-block;
  max-width:320px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  vertical-align:bottom;
  color:#fff;
  font-weight:500;
}
.banner-content h1{
  font-size:clamp(26px,3.6vw,42px);
  font-weight:800;
  line-height:1.2;
  color:#fff;
  letter-spacing:-0.02em;
  margin-bottom:18px;
}
.post-meta{display:flex;flex-wrap:wrap;gap:20px 28px;font-size:14px;color:rgba(237,240,239,0.8)}
.post-meta i{margin-right:6px;color:var(--success)}
/* Post Section */
.post-section{background:var(--bg);padding:48px 0 0}
.post-layout{max-width:820px;margin:0 auto;padding:0 0 40px}
.post-body{
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  word-break:break-word;
  background:#fff;
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
  padding:clamp(24px,4vw,52px);
}
.post-body>*+*{margin-top:1.1em}
.post-body h2{
  font-size:clamp(22px,2.4vw,30px);
  font-weight:700;
  line-height:1.35;
  margin-top:1.7em;
  padding-bottom:10px;
  border-bottom:1px solid var(--border);
  scroll-margin-top:90px;
}
.post-body h2:first-child{margin-top:0}
.post-body h3{
  font-size:20px;
  font-weight:600;
  line-height:1.4;
  margin-top:1.5em;
  color:#0f1216;
  scroll-margin-top:90px;
}
.post-body p{margin:1.1em 0}
.post-body a{
  color:var(--primary);
  text-decoration:underline;
  text-underline-offset:4px;
  text-decoration-color:rgba(12,107,88,0.3);
}
.post-body a:hover{text-decoration-color:var(--primary);color:var(--primary-hover)}
.post-body ul,.post-body ol{padding-left:1.6em;margin:1.1em 0}
.post-body ul li{list-style:disc;margin:0.5em 0}
.post-body ol li{list-style:decimal;margin:0.5em 0}
.post-body li::marker{color:var(--primary)}
.post-body blockquote{
  border-left:4px solid var(--primary);
  background:var(--primary-light);
  padding:1.1em 1.5em;
  border-radius:0 var(--radius-card) var(--radius-card) 0;
  margin:1.5em 0;
  font-size:16px;
  color:var(--text);
}
.post-body blockquote p:last-child{margin-bottom:0}
.post-body img{
  max-width:100%;
  height:auto;
  border-radius:12px;
  margin:1.6em auto;
  box-shadow:0 4px 16px rgba(20,24,29,0.08);
}
.post-body figure{margin:1.6em 0}
.post-body figure img{margin:0}
.post-body figcaption{
  text-align:center;
  font-size:14px;
  color:var(--text-muted);
  margin-top:10px;
}
.post-body table{
  width:100%;
  border-collapse:collapse;
  margin:1.6em 0;
  font-size:15px;
  border-radius:12px;
  overflow:hidden;
}
.post-body table th{
  background:var(--dark);
  color:var(--dark-text);
  padding:14px 18px;
  text-align:left;
  font-weight:600;
  font-size:14px;
  border-right:1px solid rgba(255,255,255,0.08);
}
.post-body table th:last-child{border-right:none}
.post-body table td{
  padding:14px 18px;
  border-bottom:1px solid var(--border);
  background:#fff;
}
.post-body table tr:last-child td{border-bottom:none}
.post-body table tr:nth-child(even) td{background:#FAFAF8}
.post-body code{
  background:var(--bg-alt);
  padding:2px 8px;
  border-radius:4px;
  font-family:"SF Mono","Consolas","Courier New",monospace;
  font-size:0.9em;
  color:var(--primary);
}
.post-body pre{
  background:var(--dark);
  color:var(--dark-text);
  padding:20px 24px;
  border-radius:12px;
  overflow-x:auto;
  margin:1.6em 0;
  font-size:14px;
  line-height:1.75;
  font-family:"SF Mono","Consolas","Courier New",monospace;
}
.post-body pre code{background:transparent;color:inherit;padding:0;font-size:inherit}
.post-body hr{border:none;height:1px;background:var(--border);margin:1.6em 0}
.post-body strong{font-weight:600}
/* Post extras */
.post-extras{
  max-width:820px;
  margin:0 auto;
  padding:0 0 56px;
}
.post-tags{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:24px;
}
.post-tags .tag-label{font-size:14px;color:var(--text-muted);margin-right:4px}
.post-tags .badge{font-size:14px;padding:6px 16px;border-radius:999px;background:var(--primary-light);color:var(--primary);font-weight:600;transition:var(--transition)}
.post-tags .badge:hover{background:var(--primary);color:#fff;transform:translateY(-1px)}
.post-share{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  padding-top:20px;
  border-top:1px solid var(--border);
  font-size:14px;
}
.post-share span{color:var(--text-muted);margin-right:6px}
.post-share a{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:8px 16px;
  border-radius:var(--radius-btn);
  background:var(--bg-alt);
  color:var(--text-secondary);
  font-weight:500;
  transition:var(--transition);
}
.post-share a:hover{background:var(--primary-light);color:var(--primary)}
/* Empty state */
.empty-state-box{
  max-width:680px;
  margin:0 auto;
  text-align:center;
  padding:80px 32px;
  background:#fff;
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
}
.empty-state-box .empty-icon{
  width:80px;height:80px;
  border-radius:50%;
  background:var(--primary-light);
  color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:32px;
  margin:0 auto 24px;
}
.empty-state-box h2{font-size:26px;font-weight:700;margin-bottom:12px}
.empty-state-box p{color:var(--text-secondary);margin-bottom:28px;font-size:15px}
/* Related */
.related-section{background:var(--bg);padding:32px 0 64px}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:36px;
}
.section-head h2{font-size:clamp(24px,3vw,30px);font-weight:700;line-height:1.25}
.view-all{
  font-size:14px;
  font-weight:600;
  color:var(--primary);
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 0;
  transition:var(--transition);
}
.view-all:hover{gap:12px}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.related-card{
  display:flex;
  flex-direction:column;
  background:#fff;
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  border:1px solid var(--border);
  padding:28px 24px;
  transition:var(--transition);
  position:relative;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:transparent}
.related-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:16px}
.related-meta time{font-size:13px;color:var(--text-muted);font-family:var(--font-num);display:flex;align-items:center;gap:5px}
.related-card h3{
  font-size:17px;
  font-weight:600;
  line-height:1.5;
  margin-bottom:12px;
  color:var(--text);
  transition:var(--transition);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.related-card:hover h3{color:var(--primary)}
.related-card p{
  font-size:14px;
  color:var(--text-secondary);
  line-height:1.7;
  flex:1;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin-bottom:16px;
}
.read-more{
  font-size:14px;
  font-weight:600;
  color:var(--primary);
  display:inline-flex;
  align-items:center;
  gap:6px;
  transition:var(--transition);
}
.related-card:hover .read-more{gap:10px}
/* Empty related */
.empty-state{
  text-align:center;
  padding:56px 32px;
  background:var(--bg-alt);
  border-radius:var(--radius-lg);
  color:var(--text-muted);
}
.empty-state i{font-size:28px;margin-bottom:12px;display:block;color:var(--text-muted)}
.empty-state p{font-size:15px}
/* CTA */
.cta-slim{padding:16px 0 88px;background:var(--bg)}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  background:var(--primary);
  border-radius:var(--radius-lg);
  padding:clamp(32px,5vw,56px) clamp(28px,6vw,64px);
  color:#fff;
  position:relative;
  overflow:hidden;
}
.cta-inner::before{
  content:"";
  position:absolute;
  right:-60px;top:-60px;
  width:220px;height:220px;
  background:rgba(255,255,255,0.06);
  border-radius:50%;
}
.cta-inner::after{
  content:"";
  position:absolute;
  right:40px;bottom:-90px;
  width:180px;height:180px;
  background:rgba(255,255,255,0.04);
  border-radius:50%;
}
.cta-text{position:relative;z-index:2;flex:1}
.cta-text h2{
  font-size:clamp(22px,3vw,30px);
  font-weight:800;
  line-height:1.3;
  margin-bottom:10px;
  letter-spacing:-0.02em;
}
.cta-text p{font-size:15px;color:rgba(255,255,255,0.85);line-height:1.6}
.cta-buttons{position:relative;z-index:2;display:flex;gap:16px;flex-shrink:0;flex-wrap:wrap}
/* Footer */
.site-footer{background:var(--dark);color:#B0B8C0;padding:72px 0 0}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1.2fr;
  gap:48px;
  padding-bottom:52px;
}
.footer-brand .footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .logo-mark{
  width:28px;height:28px;
  border-radius:7px;
  font-size:15px;
}
.footer-brand .logo-text{color:#fff;font-size:17px;font-weight:700}
.footer-brand .logo-text span{color:var(--success)}
.footer-brand p{font-size:14px;line-height:1.8;color:#8A929C;max-width:300px}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:#fff;
  margin-bottom:18px;
  letter-spacing:0.02em;
}
.footer-col a{
  display:block;
  font-size:14px;
  color:#8A929C;
  padding:6px 0;
  transition:var(--transition);
}
.footer-col a:hover{color:#fff;padding-left:4px}
.footer-contact p{
  font-size:14px;
  color:#8A929C;
  padding:5px 0;
  display:flex;
  align-items:center;
  gap:10px;
}
.footer-contact i{color:var(--success);width:16px;text-align:center}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.08);
  padding:24px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:#8A929C;
}
.footer-bottom .legal-links{display:flex;gap:24px}
.footer-bottom .legal-links span{cursor:pointer;transition:var(--transition)}
.footer-bottom .legal-links span:hover{color:#fff}
/* Focus visible */
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
  box-shadow:0 0 0 4px rgba(12,107,88,0.18);
}
/* Reveal animation */
.js-enabled .reveal{opacity:0;transform:translateY(14px);transition:opacity 0.35s ease-out,transform 0.35s ease-out}
.js-enabled .reveal.visible{opacity:1;transform:translateY(0)}
/* Foundation tweaks */
.row{max-width:var(--container-w)}
a:not([class]){text-decoration:none}
/* Responsive */
@media (max-width:1023px){
  :root{--header-h:64px}
  .main-nav{display:none}
  .search-box{display:none}
  .login-link{display:none}
  .hamburger{display:flex}
  .header-cta{padding:8px 14px;font-size:13px}
  .related-grid{grid-template-columns:1fr 1fr}
  .cta-inner{flex-direction:column;text-align:center}
  .cta-buttons{justify-content:center}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .post-section{padding:32px 0 0}
  .post-layout{padding:0 0 28px}
  .post-body{padding:24px 20px;font-size:16px;line-height:1.75}
  .post-body table{font-size:13px;display:block;overflow-x:auto;white-space:nowrap}
  .related-grid{grid-template-columns:1fr;gap:16px}
  .post-banner{padding:56px 0 44px;min-height:200px}
  .banner-content h1{font-size:26px;line-height:1.3}
  .post-meta{flex-direction:column;gap:10px}
  .cta-slim{padding:0 0 56px}
  .cta-inner{padding:32px 20px;border-radius:16px}
  .cta-text h2{font-size:22px}
  .cta-buttons{flex-direction:column;width:100%}
  .cta-buttons .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;text-align:center}
  .breadcrumb .current{max-width:180px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}

/* roulang page: category1 */
:root {
  --primary: #0C6B58;
  --primary-dark: #0A5546;
  --primary-light: #E7F0ED;
  --dark-bg: #14181D;
  --dark-text: #EDF0EF;
  --bg-main: #F7F6F4;
  --bg-alt: #EFEDE9;
  --bg-soft: #E9E6E0;
  --text-main: #1A1D21;
  --text-sub: #5B6470;
  --text-muted: #9AA0A8;
  --accent: #57B894;
  --warning: #C98A3D;
  --border: rgba(20,24,29,0.08);
  --radius: 14px;
  --radius-sm: 8px;
  --radius-lg: 24px;
  --shadow-sm: 0 1px 2px rgba(20,24,29,0.05), 0 12px 32px -16px rgba(20,24,29,0.14);
  --shadow-lg: 0 2px 4px rgba(20,24,29,0.06), 0 20px 44px -16px rgba(20,24,29,0.22);
  --transition: 200ms ease-out;
  --header-h: 68px;
  --container-w: 1200px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; padding: 0;
  font-family: "Inter","PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size: 16px; line-height: 1.7;
  color: var(--text-main);
  background: var(--bg-main);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: inherit; }
input, textarea, select { font-family: inherit; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(12,107,88,0.18);
}
h1,h2,h3,h4,h5,h6 { margin: 0; font-weight: 700; line-height: 1.25; color: var(--text-main); }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
section[id] { scroll-margin-top: calc(var(--header-h) + 14px); }
.container { max-width: var(--container-w); margin: 0 auto; padding: 0 24px; }
.grid-container { max-width: var(--container-w); padding: 0 24px; }
.grid-x { margin: 0 -12px; }
.cell { padding: 0 12px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: var(--radius-sm); padding: 12px 20px;
  font-size: 14px; font-weight: 600; line-height: 1;
  border: 1px solid transparent;
  transition: all var(--transition);
  cursor: pointer;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; box-shadow: inset 0 1px 0 rgba(255,255,255,0.16); }
.btn-primary:active { transform: scale(0.98); }
.btn-outline { background: transparent; color: #fff; border-color: rgba(255,255,255,0.7); }
.btn-outline:hover { background: rgba(255,255,255,0.1); border-color: #fff; color: #fff; }
.btn-ghost { background: transparent; color: var(--primary); border-color: rgba(12,107,88,0.35); }
.btn-ghost:hover { background: var(--primary-light); border-color: var(--primary); color: var(--primary); }
.btn-sm { padding: 8px 14px; font-size: 13px; }
.btn-lg { padding: 14px 26px; font-size: 16px; }
.badge {
  display: inline-block; background: var(--primary-light); color: var(--primary);
  font-size: 13px; font-weight: 600; padding: 4px 12px; border-radius: 999px;
}
.text-link { font-weight: 600; color: var(--primary); position: relative; }
.text-link::after {
  content: ''; position: absolute; left: 0; bottom: -2px;
  width: 0; height: 1px; background: var(--primary);
  transition: width var(--transition);
}
.text-link:hover::after { width: 100%; }
.section { padding: 88px 0; }
.section--gray { background: var(--bg-alt); }
.section-head { max-width: 720px; margin-bottom: 48px; }
.section-head h2 { font-size: clamp(28px, 4.5vw, 44px); font-weight: 800; letter-spacing: -0.02em; }
.section-head .lead { margin-top: 12px; font-size: 17px; color: var(--text-sub); }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head .head-mark { display: inline-block; margin-bottom: 12px; }
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .5s ease-out, transform .5s ease-out; }
.reveal.in-view { opacity: 1; transform: none; }
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--header-h);
  background: rgba(247,246,244,0.86);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.header-inner { height: var(--header-h); display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-mark {
  width: 32px; height: 32px; border-radius: 8px;
  background: var(--primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; font-weight: 800;
}
.logo-text { font-size: 18px; font-weight: 800; color: var(--text-main); letter-spacing: -0.02em; white-space: nowrap; }
.logo-text em { font-style: normal; color: var(--primary); }
.main-nav { display: flex; align-items: center; gap: 4px; margin: 0 auto; }
.main-nav a {
  position: relative; padding: 8px 14px;
  font-size: 15px; font-weight: 500; color: var(--text-sub);
  border-radius: 6px;
  transition: color var(--transition), background var(--transition);
}
.main-nav a:hover { color: var(--primary); background: rgba(12,107,88,0.06); }
.main-nav a.active { color: var(--primary); font-weight: 600; }
.main-nav a.active::after {
  content: ''; position: absolute; left: 14px; right: 14px; bottom: 2px;
  height: 2px; border-radius: 2px; background: var(--primary);
}
.nav-actions { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.search-box { position: relative; width: 220px; transition: width var(--transition); }
.search-box:focus-within { width: 320px; }
.search-box input {
  width: 100%; height: 36px; padding: 0 12px 0 34px;
  border: 1px solid transparent; border-radius: var(--radius-sm);
  background: var(--bg-alt); font-size: 14px; color: var(--text-main);
  outline: none;
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.search-box input:focus {
  background: #fff; border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(12,107,88,0.18);
}
.search-box .search-icon { position: absolute; left: 10px; top: 50%; transform: translateY(-50%); color: var(--text-muted); font-size: 14px; pointer-events: none; }
.search-box .kbd {
  position: absolute; right: 8px; top: 50%; transform: translateY(-50%);
  background: #fff; border: 1px solid var(--border); border-radius: 4px;
  padding: 1px 6px; font-size: 11px; color: var(--text-muted);
}
.nav-link { font-size: 14px; font-weight: 600; color: var(--text-main); }
.nav-link:hover { color: var(--primary); }
.nav-burger { display: none; width: 40px; height: 40px; border: none; background: transparent; flex-direction: column; align-items: center; justify-content: center; gap: 5px; }
.nav-burger span { display: block; width: 20px; height: 2px; background: var(--text-main); border-radius: 2px; transition: transform var(--transition), opacity var(--transition); }
.nav-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-search-btn { display: none; width: 40px; height: 40px; border: none; background: transparent; color: var(--text-main); font-size: 18px; align-items: center; justify-content: center; }
.mobile-overlay { display: none; }
.cat-hero {
  position: relative;
  padding: calc(var(--header-h) + 56px) 0 64px;
  background: linear-gradient(rgba(20,24,29,0.62), rgba(20,24,29,0.62)), url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
  color: #fff; text-align: center;
}
.cat-hero h1 { font-size: clamp(36px, 5.5vw, 56px); font-weight: 800; line-height: 1.15; color: #fff; letter-spacing: -0.02em; margin-bottom: 18px; }
.cat-hero .sub { max-width: 680px; margin: 0 auto; font-size: 18px; line-height: 1.7; color: rgba(237,240,239,0.9); }
.cat-anchors { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px 12px; margin-top: 32px; }
.cat-anchors a { color: rgba(237,240,239,0.85); font-size: 15px; font-weight: 500; transition: color var(--transition); }
.cat-anchors a:hover { color: #fff; }
.cat-anchors .sep { color: rgba(237,240,239,0.35); }
.feature-card {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.feature-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.feature-card img { width: 100%; object-fit: cover; }
.feature-card--large img { height: 280px; }
.feature-card--small img { height: 150px; }
.feature-card__body { padding: 24px; }
.feature-card__body .badge { margin-bottom: 12px; }
.feature-card__body h3 { font-size: 22px; margin: 12px 0 10px; }
.feature-card__body p { font-size: 15px; color: var(--text-sub); margin-bottom: 14px; }
.feature-card--small__body { padding: 18px 22px; }
.feature-card--small__body h3 { font-size: 18px; margin: 10px 0 8px; }
.feature-card--small__body p { font-size: 14px; color: var(--text-sub); margin-bottom: 0; }
.feature-stack { display: flex; flex-direction: column; gap: 24px; height: 100%; }
.cap-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 32px; box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.cap-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.cap-card .cap-icon {
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--primary-light); color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; margin-bottom: 18px;
}
.cap-card h3 { font-size: 20px; margin-bottom: 10px; }
.cap-card p { font-size: 15px; color: var(--text-sub); }
.cap-card .check-list { margin-top: 16px; display: flex; flex-direction: column; gap: 8px; }
.cap-card .check-list li { display: flex; gap: 8px; font-size: 14px; color: var(--text-sub); }
.cap-card .check-list i { color: var(--accent); font-size: 13px; margin-top: 4px; }
.cap-card--wide { display: flex; gap: 32px; align-items: center; }
.cap-card--wide .cap-content { flex: 1; }
.cap-card--wide .cap-img { width: 260px; flex-shrink: 0; }
.cap-card--wide .cap-img img { width: 100%; height: 180px; object-fit: cover; border-radius: 12px; }
.scenario-list { display: flex; flex-direction: column; gap: 22px; }
.scenario-item { display: flex; gap: 16px; }
.scenario-item .sc-num {
  width: 38px; height: 38px; border-radius: 10px; flex-shrink: 0;
  background: var(--primary-light); color: var(--primary);
  font-weight: 700; display: flex; align-items: center; justify-content: center;
}
.scenario-item h3 { font-size: 18px; margin-bottom: 6px; }
.scenario-item p { font-size: 15px; color: var(--text-sub); }
.scenario-image { border-radius: 16px; overflow: hidden; box-shadow: var(--shadow-lg); }
.scenario-image img { width: 100%; height: 420px; object-fit: cover; }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.process-step {
  position: relative; background: #fff;
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px 24px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.process-step:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.process-step .step-num { font-family: "Inter", sans-serif; font-size: 42px; font-weight: 800; color: var(--primary-light); line-height: 1; }
.process-step h3 { margin: 16px 0 8px; font-size: 18px; }
.process-step p { font-size: 14px; color: var(--text-sub); line-height: 1.6; }
.faq-wrap { max-width: 760px; margin: 0 auto; }
.faq-item {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; margin-bottom: 14px;
  transition: box-shadow var(--transition), border-color var(--transition);
}
.faq-item:hover { box-shadow: var(--shadow-sm); }
.faq-item.is-open { border-color: rgba(12,107,88,0.22); box-shadow: var(--shadow-sm); }
.faq-question {
  width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 18px 22px; background: transparent; border: none;
  font-size: 16px; font-weight: 600; color: var(--text-main); text-align: left;
}
.faq-question .icon {
  flex-shrink: 0; width: 24px; height: 24px; border-radius: 50%;
  background: var(--primary-light); color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; transition: transform var(--transition);
}
.faq-item.is-open .faq-question .icon { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .3s ease-out; }
.faq-answer-inner { padding: 0 22px 20px; font-size: 15px; color: var(--text-sub); line-height: 1.7; }
.faq-item.is-open .faq-answer { max-height: 400px; }
.cta-box {
  max-width: 1000px; margin: 0 auto;
  background: var(--primary); border-radius: var(--radius-lg);
  padding: 64px 48px; text-align: center; position: relative; overflow: hidden;
}
.cta-box::before {
  content: ''; position: absolute; width: 240px; height: 240px; border-radius: 50%;
  background: rgba(255,255,255,0.12); top: -80px; right: -60px;
}
.cta-box::after {
  content: ''; position: absolute; width: 180px; height: 180px; border-radius: 50%;
  background: rgba(255,255,255,0.08); bottom: -60px; left: -40px;
}
.cta-box h2 { color: #fff; font-size: clamp(26px, 4vw, 36px); margin-bottom: 16px; position: relative; z-index: 1; }
.cta-box p { color: rgba(237,240,239,0.92); max-width: 560px; margin: 0 auto 32px; position: relative; z-index: 1; }
.cta-box .btn-wrap { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; position: relative; z-index: 1; }
.site-footer { background: var(--dark-bg); color: rgba(237,240,239,0.6); padding-top: 64px; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 48px; }
.footer-brand .footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-brand p { font-size: 14px; line-height: 1.7; color: rgba(237,240,239,0.55); max-width: 320px; }
.footer-col h4 { color: #fff; font-size: 15px; margin-bottom: 16px; }
.footer-col a { display: block; color: rgba(237,240,239,0.55); padding: 4px 0; font-size: 14px; transition: color var(--transition); }
.footer-col a:hover { color: #fff; }
.footer-contact p { color: rgba(237,240,239,0.55); margin-bottom: 8px; font-size: 14px; }
.footer-contact i { color: var(--accent); margin-right: 8px; width: 16px; text-align: center; }
.footer-bottom { border-top: 1px solid rgba(237,240,239,0.1); padding: 20px 0; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; color: rgba(237,240,239,0.45); font-size: 13px; }
.footer-bottom .legal-links { display: flex; gap: 20px; }
@media (max-width: 1023px) {
  .main-nav, .search-box, .nav-link { display: none; }
  .nav-burger { display: flex; }
  .mobile-search-btn { display: flex; }
  .mobile-overlay {
    display: block; position: fixed; inset: 0; z-index: 999;
    background: rgba(247,246,244,0.98);
    backdrop-filter: blur(20px);
    padding: calc(var(--header-h) + 20px) 24px 40px;
    opacity: 0; visibility: hidden;
    transition: opacity var(--transition), visibility var(--transition);
  }
  .mobile-overlay.open { opacity: 1; visibility: visible; }
  .mobile-overlay .mobile-nav { display: flex; flex-direction: column; gap: 4px; }
  .mobile-overlay .mobile-nav a {
    padding: 14px 8px; font-size: 20px; font-weight: 600;
    color: var(--text-main); border-bottom: 1px solid var(--border);
  }
  .mobile-overlay .mobile-nav a.active { color: var(--primary); }
  .mobile-overlay .mobile-search { margin-top: 24px; position: relative; }
  .mobile-overlay .mobile-search i { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--text-muted); }
  .mobile-overlay .mobile-search input {
    width: 100%; height: 46px; padding: 0 14px 0 40px;
    border: 1px solid var(--border); border-radius: var(--radius-sm);
    background: #fff; font-size: 15px; color: var(--text-main); outline: none;
  }
  .mobile-overlay .mobile-search input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(12,107,88,0.18); }
  .mobile-overlay .mobile-actions { margin-top: 24px; }
  .mobile-overlay .mobile-actions .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .cat-hero { padding: calc(var(--header-h) + 32px) 0 40px; }
  .cat-hero .sub { font-size: 16px; }
  .section-head { margin-bottom: 32px; }
  .cap-card--wide { flex-direction: column; gap: 20px; }
  .cap-card--wide .cap-img { width: 100%; }
  .process-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .container { padding: 0 16px; }
  .grid-container { padding: 0 16px; }
  .cat-hero h1 { font-size: clamp(30px, 8vw, 40px); }
  .section-head h2 { font-size: 28px; }
  .feature-card--large img { height: 220px; }
  .feature-card--small img { height: 160px; }
  .process-grid { grid-template-columns: 1fr; }
  .scenario-image img { height: 260px; }
  .cta-box { padding: 40px 24px; border-radius: var(--radius-sm); }
  .cta-box .btn-wrap .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; align-items: center; text-align: center; }
}

/* roulang page: category2 */
/* ===== 设计变量与基础 Reset ===== */
    :root {
      --primary: #0C6B58;
      --primary-dark: #0A5546;
      --primary-light: #E7F0ED;
      --dark: #14181D;
      --dark-text: #EDF0EF;
      --bg: #F7F6F4;
      --bg-alt: #EFEDE9;
      --bg-soft: #E9E6E0;
      --card-bg: #FFFFFF;
      --text: #1A1D21;
      --text-secondary: #5B6470;
      --text-placeholder: #9AA0A8;
      --border: rgba(20,24,29,0.08);
      --border-strong: rgba(20,24,29,0.12);
      --success: #57B894;
      --warning: #C98A3D;
      --radius: 14px;
      --radius-btn: 8px;
      --radius-lg: 24px;
      --shadow-card: 0 1px 2px rgba(20,24,29,0.05), 0 12px 32px -16px rgba(20,24,29,0.14);
      --shadow-hover: 0 2px 4px rgba(20,24,29,0.06), 0 20px 44px -18px rgba(20,24,29,0.22);
      --font-body: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
      --transition: 200ms ease-out;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: var(--font-body);
      font-size: 16px;
      line-height: 1.7;
      color: var(--text);
      background: var(--bg);
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
    }

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

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

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

    h1, h2, h3, h4, h5, h6 {
      margin: 0;
      line-height: 1.2;
      font-weight: 700;
      color: var(--text);
    }

    p {
      margin: 0;
    }

    ul, ol {
      margin: 0;
      padding: 0;
      list-style: none;
    }

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

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

    table {
      width: 100%;
      border-collapse: collapse;
      margin: 0;
    }

    :focus-visible {
      outline: 2px solid var(--primary);
      outline-offset: 2px;
      box-shadow: 0 0 0 4px rgba(12, 107, 88, 0.18);
    }

    /* ===== 通用容器 ===== */
    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* ===== 按钮 ===== */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 20px;
      border-radius: var(--radius-btn);
      font-size: 14px;
      font-weight: 600;
      line-height: 1.4;
      transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
      white-space: nowrap;
      border: 1px solid transparent;
      position: relative;
    }

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

    .btn-primary::after {
      content: '';
      position: absolute;
      top: 0;
      left: 16px;
      right: 16px;
      height: 1px;
      background: rgba(255, 255, 255, 0.35);
      border-radius: 1px;
      opacity: 0;
      transition: opacity var(--transition);
    }

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

    .btn-primary:hover::after {
      opacity: 1;
    }

    .btn-primary:active {
      transform: scale(0.98);
    }

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

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

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

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

    .btn-sm {
      padding: 8px 16px;
      font-size: 13px;
    }

    .btn-block {
      width: 100%;
      justify-content: center;
    }

    /* ===== 徽章 / 标签 ===== */
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: var(--primary-light);
      color: var(--primary);
      font-size: 13px;
      font-weight: 600;
      border-radius: 999px;
      padding: 6px 14px;
    }

    .badge i {
      font-size: 12px;
    }

    /* ===== 导航 Header ===== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      height: 64px;
      background: rgba(247, 246, 244, 0.86);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border-bottom: 1px solid var(--border);
    }

    .header-inner {
      max-width: 1400px;
      margin: 0 auto;
      height: 100%;
      padding: 0 24px;
      display: flex;
      align-items: center;
      gap: 28px;
    }

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

    .logo-mark {
      width: 32px;
      height: 32px;
      border-radius: 8px;
      background: var(--primary);
      color: #fff;
      font-size: 17px;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .logo-text {
      font-size: 17px;
      font-weight: 700;
      color: var(--text);
      letter-spacing: -0.02em;
      white-space: nowrap;
    }

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

    .main-nav {
      display: flex;
      align-items: center;
      gap: 4px;
      margin-left: 12px;
    }

    .main-nav a {
      position: relative;
      padding: 8px 14px;
      font-size: 14px;
      font-weight: 500;
      color: var(--text-secondary);
      border-radius: 6px;
      transition: color var(--transition), background var(--transition);
    }

    .main-nav a:hover {
      color: var(--primary);
      background: rgba(12, 107, 88, 0.06);
    }

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

    .main-nav a.active::after {
      content: '';
      position: absolute;
      left: 14px;
      right: 14px;
      bottom: 2px;
      height: 2px;
      border-radius: 2px;
      background: var(--primary);
    }

    .header-right {
      display: flex;
      align-items: center;
      gap: 16px;
      margin-left: auto;
    }

    .search-box {
      display: flex;
      align-items: center;
      gap: 8px;
      width: 220px;
      height: 36px;
      background: var(--bg-alt);
      border-radius: var(--radius-btn);
      padding: 0 10px;
      transition: width var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition);
      border: 1px solid transparent;
    }

    .search-box:focus-within {
      width: 320px;
      background: #fff;
      border-color: var(--primary);
      box-shadow: 0 0 0 4px rgba(12, 107, 88, 0.18);
    }

    .search-box i {
      color: var(--text-placeholder);
      font-size: 13px;
    }

    .search-box input {
      border: none;
      outline: none;
      background: transparent;
      flex: 1;
      font-size: 13px;
      color: var(--text);
      min-width: 0;
    }

    .search-box input::placeholder {
      color: var(--text-placeholder);
    }

    .search-box kbd {
      font-size: 11px;
      color: var(--text-placeholder);
      background: rgba(20, 24, 29, 0.06);
      border: 1px solid rgba(20, 24, 29, 0.1);
      border-radius: 4px;
      padding: 1px 6px;
      font-family: var(--font-body);
      white-space: nowrap;
    }

    .login-link {
      font-size: 14px;
      color: var(--text-secondary);
      font-weight: 500;
      padding: 6px 8px;
      border-radius: 6px;
      transition: color var(--transition), background var(--transition);
    }

    .login-link:hover {
      color: var(--primary);
      background: rgba(12, 107, 88, 0.06);
    }

    .menu-toggle {
      display: none;
      width: 38px;
      height: 38px;
      align-items: center;
      justify-content: center;
      border-radius: 8px;
      background: var(--bg-alt);
      color: var(--text);
      font-size: 16px;
      transition: background var(--transition);
    }

    .menu-toggle:hover {
      background: var(--primary-light);
    }

    /* 移动端菜单 */
    .mobile-menu {
      display: none;
      position: fixed;
      inset: 0;
      z-index: 999;
      background: var(--bg);
      padding: 88px 24px 40px;
      transform: translateY(-8px);
      opacity: 0;
      pointer-events: none;
      transition: opacity var(--transition), transform var(--transition);
    }

    .mobile-menu.open {
      display: block;
      opacity: 1;
      transform: translateY(0);
      pointer-events: auto;
    }

    .mobile-menu-inner {
      max-width: 480px;
      margin: 0 auto;
    }

    .mobile-search {
      display: flex;
      align-items: center;
      gap: 8px;
      background: #fff;
      border: 1px solid var(--border-strong);
      border-radius: var(--radius-btn);
      padding: 10px 14px;
      margin-bottom: 24px;
    }

    .mobile-search i {
      color: var(--text-placeholder);
    }

    .mobile-search input {
      border: none;
      outline: none;
      flex: 1;
      background: transparent;
      font-size: 15px;
    }

    .mobile-nav {
      display: flex;
      flex-direction: column;
      gap: 4px;
      margin-bottom: 24px;
    }

    .mobile-nav a {
      padding: 14px 8px;
      font-size: 16px;
      font-weight: 500;
      color: var(--text);
      border-radius: 8px;
      transition: background var(--transition), color var(--transition);
    }

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

    /* ===== Hero 横幅 ===== */
    .page-hero {
      position: relative;
      min-height: 320px;
      display: flex;
      align-items: center;
      background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      overflow: hidden;
    }

    .page-hero-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, rgba(20, 24, 29, 0.78) 0%, rgba(20, 24, 29, 0.55) 60%, rgba(20, 24, 29, 0.3) 100%);
    }

    .page-hero-content {
      position: relative;
      z-index: 2;
      padding: 72px 0;
    }

    .breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: rgba(237, 240, 239, 0.75);
      margin-bottom: 20px;
    }

    .breadcrumb a {
      color: rgba(237, 240, 239, 0.75);
      transition: color var(--transition);
    }

    .breadcrumb a:hover {
      color: #fff;
    }

    .breadcrumb .current {
      color: #fff;
    }

    .page-hero h1 {
      font-size: clamp(36px, 5vw, 56px);
      font-weight: 800;
      color: #fff;
      line-height: 1.15;
      letter-spacing: -0.02em;
      max-width: 760px;
    }

    .page-hero-sub {
      margin-top: 16px;
      font-size: 18px;
      color: rgba(237, 240, 239, 0.88);
      max-width: 620px;
      line-height: 1.7;
    }

    .hero-badges {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 24px;
    }

    .hero-badges .badge {
      background: rgba(255, 255, 255, 0.14);
      color: #fff;
      font-weight: 500;
      border: 1px solid rgba(255, 255, 255, 0.18);
    }

    .hero-badges .badge i {
      color: var(--success);
    }

    /* ===== 快速路径 ===== */
    .quick-path {
      padding: 48px 0 24px;
      background: var(--bg);
    }

    .quick-grid {
      display: flex;
      flex-wrap: wrap;
      gap: 0;
      margin: 0 -12px;
    }

    .quick-grid .cell {
      flex: 0 0 25%;
      max-width: 25%;
      padding: 0 12px;
    }

    .quick-item {
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 24px;
      display: flex;
      align-items: flex-start;
      gap: 14px;
      height: 100%;
      transition: transform var(--transition), box-shadow var(--transition);
    }

    .quick-item:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow-hover);
    }

    .quick-num {
      width: 32px;
      height: 32px;
      border-radius: 8px;
      background: var(--primary-light);
      color: var(--primary);
      font-size: 14px;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .quick-item h3 {
      font-size: 16px;
      font-weight: 600;
      margin-bottom: 4px;
    }

    .quick-item p {
      font-size: 13px;
      color: var(--text-secondary);
      line-height: 1.6;
    }

    /* ===== 主体内容区 ===== */
    .guide-main {
      padding: 56px 0 88px;
      background: var(--bg);
    }

    .guide-layout {
      display: flex;
      gap: 48px;
      align-items: flex-start;
    }

    .guide-sidebar {
      flex: 0 0 260px;
      position: sticky;
      top: 88px;
    }

    .sidebar-inner {
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 20px;
      box-shadow: var(--shadow-card);
    }

    .sidebar-inner h4 {
      font-size: 14px;
      font-weight: 600;
      color: var(--text-placeholder);
      text-transform: uppercase;
      letter-spacing: 0.08em;
      margin-bottom: 12px;
      padding-left: 8px;
    }

    .sidebar-nav li + li {
      margin-top: 2px;
    }

    .sidebar-nav a {
      display: block;
      padding: 10px 12px;
      font-size: 14px;
      font-weight: 500;
      color: var(--text-secondary);
      border-radius: 8px;
      transition: background var(--transition), color var(--transition);
    }

    .sidebar-nav a:hover {
      background: rgba(12, 107, 88, 0.05);
      color: var(--primary);
    }

    .sidebar-nav a.active {
      background: var(--dark);
      color: #fff;
      font-weight: 600;
    }

    .guide-content {
      flex: 1;
      min-width: 0;
    }

    .prose-section {
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      box-shadow: var(--shadow-card);
      padding: 32px;
      margin-bottom: 24px;
      scroll-margin-top: 88px;
    }

    .section-label {
      display: inline-block;
      font-size: 12px;
      font-weight: 700;
      color: var(--primary);
      background: var(--primary-light);
      border-radius: 999px;
      padding: 3px 12px;
      margin-bottom: 12px;
      letter-spacing: 0.04em;
    }

    .prose-section h2 {
      font-size: 28px;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--text);
    }

    .prose-section > p {
      font-size: 16px;
      color: var(--text-secondary);
      line-height: 1.8;
      margin-bottom: 20px;
    }

    .table-wrap {
      overflow-x: auto;
      margin: 20px 0;
      border-radius: 10px;
      border: 1px solid var(--border);
    }

    .table-wrap table {
      min-width: 560px;
    }

    .table-wrap th {
      background: var(--dark);
      color: var(--dark-text);
      font-size: 14px;
      font-weight: 600;
      text-align: left;
      padding: 12px 16px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .table-wrap td {
      padding: 12px 16px;
      font-size: 14px;
      color: var(--text);
      border-bottom: 1px solid var(--border);
    }

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

    .table-wrap tbody tr:hover {
      background: rgba(12, 107, 88, 0.03);
    }

    .tip-box {
      display: flex;
      gap: 12px;
      background: var(--bg-alt);
      border-radius: 10px;
      padding: 16px 18px;
      margin-top: 16px;
      border-left: 3px solid var(--primary);
    }

    .tip-box i {
      color: var(--primary);
      font-size: 18px;
      margin-top: 2px;
    }

    .tip-box p {
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.7;
    }

    .step-list {
      margin: 20px 0 0;
    }

    .step-list li {
      position: relative;
      padding: 10px 0 10px 40px;
      font-size: 15px;
      color: var(--text);
      border-bottom: 1px solid var(--border);
      line-height: 1.7;
    }

    .step-list li:last-child {
      border-bottom: none;
    }

    .step-list li::before {
      content: attr(data-step);
      position: absolute;
      left: 0;
      top: 10px;
      width: 26px;
      height: 26px;
      border-radius: 50%;
      background: var(--primary-light);
      color: var(--primary);
      font-size: 13px;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .content-figure {
      margin: 24px 0 0;
    }

    .content-img {
      width: 100%;
      border-radius: 12px;
      object-fit: cover;
    }

    .content-figure figcaption {
      text-align: center;
      font-size: 13px;
      color: var(--text-placeholder);
      margin-top: 10px;
    }

    .method-grid {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin: 20px 0 0;
    }

    .method-card {
      flex: 0 0 calc(50% - 8px);
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 20px;
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }

    .method-card:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow-card);
      border-color: rgba(12, 107, 88, 0.25);
    }

    .method-card i {
      font-size: 22px;
      color: var(--primary);
      margin-bottom: 10px;
      display: block;
    }

    .method-card h3 {
      font-size: 16px;
      font-weight: 600;
      margin-bottom: 6px;
    }

    .method-card p {
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.6;
    }

    .check-list {
      margin: 12px 0 0;
    }

    .check-list li {
      position: relative;
      padding: 10px 0 10px 32px;
      font-size: 15px;
      color: var(--text);
      border-bottom: 1px solid var(--border);
      line-height: 1.7;
    }

    .check-list li:last-child {
      border-bottom: none;
    }

    .check-list li::before {
      content: '\f00c';
      font-family: 'Font Awesome 6 Free';
      font-weight: 900;
      position: absolute;
      left: 0;
      top: 10px;
      width: 22px;
      height: 22px;
      border-radius: 50%;
      background: var(--primary-light);
      color: var(--primary);
      font-size: 11px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    /* ===== 表单 ===== */
    .help-form {
      margin-top: 24px;
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 24px;
    }

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

    .form-group {
      margin-bottom: 16px;
    }

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

    .form-group label span {
      color: #C0392B;
    }

    .form-group input,
    .form-group textarea {
      width: 100%;
      background: #fff;
      border: 1px solid var(--border-strong);
      border-radius: var(--radius-btn);
      padding: 12px 14px;
      font-size: 14px;
      color: var(--text);
      outline: none;
      transition: border-color var(--transition), box-shadow var(--transition);
    }

    .form-group input:focus,
    .form-group textarea:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 4px rgba(12, 107, 88, 0.18);
    }

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

    .form-success {
      display: flex;
      align-items: center;
      gap: 10px;
      background: var(--primary-light);
      color: var(--primary);
      border-radius: 10px;
      padding: 14px 16px;
      font-size: 14px;
      font-weight: 500;
      margin-top: 16px;
    }

    .form-success i {
      font-size: 18px;
    }

    /* ===== FAQ 手风琴 ===== */
    .faq-section {
      padding: 72px 0;
      background: var(--bg-alt);
    }

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

    .section-head h2 {
      font-size: 32px;
      font-weight: 700;
      color: var(--text);
    }

    .section-head p {
      font-size: 16px;
      color: var(--text-secondary);
      margin-top: 8px;
    }

    .faq-list {
      max-width: 820px;
      margin: 0 auto;
    }

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

    .faq-item.open {
      box-shadow: var(--shadow-card);
    }

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 18px 22px;
      font-size: 16px;
      font-weight: 600;
      color: var(--text);
      text-align: left;
      background: transparent;
      transition: background var(--transition);
    }

    .faq-question:hover {
      background: rgba(12, 107, 88, 0.03);
    }

    .faq-question i {
      flex-shrink: 0;
      color: var(--primary);
      font-size: 14px;
      transition: transform var(--transition), color var(--transition);
    }

    .faq-item.open .faq-question i {
      transform: rotate(45deg);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 260ms ease-out;
    }

    .faq-item.open .faq-answer {
      max-height: 400px;
    }

    .faq-answer p {
      padding: 0 22px 18px;
      font-size: 15px;
      color: var(--text-secondary);
      line-height: 1.7;
      border-top: 1px solid var(--border);
      padding-top: 14px;
    }

    /* ===== CTA 横幅 ===== */
    .cta-banner {
      padding: 72px 0;
      background: var(--bg);
    }

    .cta-inner {
      background: linear-gradient(135deg, #0C6B58 0%, #0A4D40 100%);
      border-radius: var(--radius-lg);
      padding: 56px 48px;
      text-align: center;
      position: relative;
      overflow: hidden;
    }

    .cta-inner::before {
      content: '';
      position: absolute;
      top: -60px;
      right: -40px;
      width: 260px;
      height: 260px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.06);
    }

    .cta-inner::after {
      content: '';
      position: absolute;
      bottom: -80px;
      left: -60px;
      width: 300px;
      height: 300px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.04);
    }

    .cta-inner h2 {
      font-size: 32px;
      font-weight: 700;
      color: #fff;
      position: relative;
      z-index: 1;
    }

    .cta-inner p {
      font-size: 16px;
      color: rgba(237, 240, 239, 0.85);
      margin-top: 10px;
      position: relative;
      z-index: 1;
    }

    .cta-actions {
      display: flex;
      justify-content: center;
      gap: 14px;
      margin-top: 28px;
      position: relative;
      z-index: 1;
    }

    /* ===== 页脚 ===== */
    .site-footer {
      background: var(--dark);
      color: rgba(237, 240, 239, 0.7);
      padding: 64px 0 0;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.2fr;
      gap: 40px;
      padding-bottom: 48px;
    }

    .footer-brand .footer-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 14px;
    }

    .footer-brand .logo-mark {
      width: 32px;
      height: 32px;
      border-radius: 8px;
      background: var(--primary);
      color: #fff;
      font-size: 17px;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .footer-brand .logo-text {
      font-size: 18px;
      font-weight: 700;
      color: #fff;
      letter-spacing: -0.02em;
    }

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

    .footer-brand p {
      font-size: 14px;
      line-height: 1.7;
      max-width: 320px;
    }

    .footer-col h4 {
      font-size: 14px;
      font-weight: 600;
      color: #fff;
      margin-bottom: 16px;
    }

    .footer-col a {
      display: block;
      font-size: 14px;
      color: rgba(237, 240, 239, 0.7);
      padding: 4px 0;
      transition: color var(--transition);
    }

    .footer-col a:hover {
      color: #fff;
    }

    .footer-col p {
      font-size: 14px;
      color: rgba(237, 240, 239, 0.7);
      margin-bottom: 6px;
    }

    .footer-col i {
      color: var(--success);
      margin-right: 6px;
      font-size: 13px;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding: 20px 0;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      font-size: 13px;
      color: rgba(237, 240, 239, 0.5);
    }

    .legal-links {
      display: flex;
      gap: 20px;
    }

    .legal-links span {
      cursor: pointer;
      transition: color var(--transition);
    }

    .legal-links span:hover {
      color: #fff;
    }

    /* ===== 滚动渐入动效 ===== */
    .reveal {
      opacity: 0;
      transform: translateY(14px);
      transition: opacity 500ms ease-out, transform 500ms ease-out;
    }

    .reveal.visible {
      opacity: 1;
      transform: translateY(0);
    }

    /* ===== 响应式 ===== */
    @media (max-width: 1023px) {
      .header-inner {
        gap: 12px;
      }

      .main-nav {
        display: none;
      }

      .search-box {
        display: none;
      }

      .login-link {
        display: none;
      }

      .menu-toggle {
        display: flex;
      }

      .quick-grid .cell {
        flex: 0 0 50%;
        max-width: 50%;
      }

      .guide-layout {
        flex-direction: column;
      }

      .guide-sidebar {
        flex: none;
        width: 100%;
        position: static;
        overflow-x: auto;
      }

      .sidebar-inner {
        padding: 12px;
      }

      .sidebar-inner h4 {
        display: none;
      }

      .sidebar-nav {
        display: flex;
        gap: 6px;
        flex-wrap: nowrap;
        overflow-x: auto;
        padding-bottom: 4px;
      }

      .sidebar-nav li {
        flex-shrink: 0;
      }

      .sidebar-nav a {
        white-space: nowrap;
        padding: 8px 14px;
      }

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

      .footer-brand {
        grid-column: 1 / -1;
      }
    }

    @media (max-width: 767px) {
      .container {
        padding: 0 16px;
      }

      .page-hero {
        min-height: 280px;
      }

      .page-hero-content {
        padding: 48px 0;
      }

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

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

      .quick-path {
        padding: 32px 0 16px;
      }

      .quick-grid .cell {
        flex: 0 0 100%;
        max-width: 100%;
        margin-bottom: 12px;
      }

      .guide-main {
        padding: 32px 0 48px;
      }

      .prose-section {
        padding: 20px;
      }

      .prose-section h2 {
        font-size: 22px;
      }

      .method-card {
        flex: 0 0 100%;
      }

      .form-row {
        grid-template-columns: 1fr;
      }

      .cta-inner {
        padding: 40px 20px;
        border-radius: 12px;
      }

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

      .cta-actions {
        flex-direction: column;
      }

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

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

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