/* roulang page: index */
:root {
  --primary: #0E8C62;
  --primary-dark: #0A6548;
  --primary-light: #E7F5EF;
  --accent: #F26A21;
  --accent-dark: #D95A12;
  --accent-light: #FDE9DF;
  --ink: #171916;
  --text: #22241F;
  --muted: #5C625B;
  --bg: #F6F7F2;
  --surface: #FFFFFF;
  --line: #E3E5DE;
  --success: #1B8A4C;
  --error: #C73A3A;
  --radius-card: 16px;
  --radius-btn: 10px;
  --shadow-base: 0 1px 2px rgba(0,0,0,.05), 0 6px 18px rgba(0,0,0,.05);
  --shadow-hover: 0 14px 30px rgba(0,0,0,.10);
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", Arial, sans-serif;
  --transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

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

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

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

.row {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
}

.columns, .column {
  float: none;
  position: relative;
  padding-left: 15px;
  padding-right: 15px;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 16px;
  padding-right: 16px;
  box-sizing: border-box;
}

section {
  padding: clamp(4rem, 8vw, 7rem) 0;
}

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

.section-head .section-line {
  display: block;
  width: 48px;
  height: 4px;
  border-radius: 4px;
  background: var(--primary);
  margin: 0 auto 16px;
}

.section-head h2 {
  font-size: clamp(1.75rem, 2.6vw, 2.25rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--text);
  margin: 0 0 8px;
}

.section-desc {
  color: var(--muted);
  font-size: 1rem;
  margin: 0;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.4;
  padding: 12px 28px;
  border-radius: var(--radius-btn);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
  text-align: center;
  white-space: nowrap;
}

.btn svg, .btn i {
  font-size: 0.9em;
}

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

.btn-accent:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  color: #FFFFFF;
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(242, 106, 33, 0.28);
}

.btn-accent:active {
  transform: translateY(0);
  box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.18);
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #FFFFFF;
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(14, 140, 98, 0.22);
}

.btn-outline {
  background: transparent;
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.75);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #FFFFFF;
  border-color: #FFFFFF;
}

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

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

.btn-large {
  padding: 16px 38px;
  font-size: 1.0625rem;
  border-radius: 12px;
}

.btn-block {
  width: 100%;
}

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

/* 标签 */
.tag {
  display: inline-block;
  padding: 4px 16px;
  background: var(--primary-light);
  color: var(--primary-dark);
  font-size: 0.8125rem;
  font-weight: 700;
  border-radius: 100px;
  letter-spacing: 0.02em;
}

.tag-accent {
  background: var(--accent-light);
  color: var(--accent);
}

/* 胶囊导航 */
.site-header {
  position: fixed;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 24px);
  max-width: 1200px;
  z-index: 999;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(227, 229, 222, 0.85);
  border-radius: 999px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px;
}

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

.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #FFFFFF;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  box-shadow: 0 4px 10px rgba(14, 140, 98, 0.28);
}

.brand-text {
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--primary);
  letter-spacing: 0.01em;
}

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

.nav-link {
  position: relative;
  display: inline-block;
  padding: 8px 16px;
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--text);
  border-radius: 100px;
  transition: background var(--transition), color var(--transition);
}

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

.nav-link.active {
  color: var(--primary-dark);
  font-weight: 700;
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 3px;
  left: 50%;
  transform: translateX(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
}

.nav-link.active::before {
  content: "";
  position: absolute;
  bottom: 3px;
  left: 50%;
  transform: translateX(-50%);
}

.nav-cta {
  padding: 8px 22px;
  font-size: 0.9375rem;
  border-radius: 100px;
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.mobile-menu {
  display: none;
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  right: 0;
  background: #FFFFFF;
  border-radius: 18px;
  border: 1px solid var(--line);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
  padding: 12px;
  flex-direction: column;
  gap: 6px;
  z-index: 1000;
}

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

.mobile-link {
  display: block;
  padding: 12px 16px;
  color: var(--text);
  font-weight: 600;
  font-size: 0.955rem;
  border-radius: 12px;
  transition: background var(--transition), color var(--transition);
}

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

.mobile-cta {
  margin-top: 8px;
}

/* Hero */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  background-image: linear-gradient(105deg, rgba(13, 20, 16, 0.92) 0%, rgba(13, 20, 16, 0.78) 48%, rgba(13, 20, 16, 0.40) 100%), url('/assets/images/backpic/back-1.png');
  background-position: center center;
  background-size: cover;
  background-repeat: no-repeat;
  padding-top: 130px;
  padding-bottom: 80px;
}

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

.hero .row {
  align-items: center;
}

.hero-tag {
  display: inline-block;
  background: rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: #FFFFFF;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 6px 18px;
  border-radius: 100px;
  margin-bottom: 22px;
  letter-spacing: 0.04em;
}

.hero h1 {
  font-size: clamp(2.25rem, 4.5vw, 3.75rem);
  font-weight: 800;
  line-height: 1.15;
  color: #FFFFFF;
  margin: 0 0 18px;
  letter-spacing: 0.0em;
}

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

.hero-sub {
  font-size: 1.125rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.88);
  max-width: 520px;
  margin: 0 0 32px;
}

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

.hero-panel {
  background: rgba(255, 255, 255, 0.10);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 20px;
  padding: 28px;
  color: #FFFFFF;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.16);
  margin-left: auto;
  max-width: 420px;
}

.panel-head {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 0.95rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  padding-bottom: 16px;
  margin-bottom: 16px;
}

.panel-dot {
  width: 8px;
  height: 8px;
  background: #4CD49D;
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(76, 212, 157, 0.25);
}

.panel-body {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 20px;
}

.panel-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.95rem;
}

.panel-label {
  color: rgba(255, 255, 255, 0.72);
}

.panel-value {
  font-weight: 700;
  color: #FFFFFF;
}

.panel-foot {
  margin-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  padding-top: 20px;
  text-align: center;
}

.countdown {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 8px;
}

.cd-item {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 12px;
  width: 62px;
  height: 66px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.cd-item b {
  font-size: 1.4rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.cd-item span {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 4px;
}

.panel-foot p {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.65);
  margin: 0;
}

.hero-trust {
  position: relative;
  z-index: 2;
  margin-top: 48px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  justify-content: center;
}

.trust-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.875rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 100px;
  padding: 6px 16px;
}

.trust-item i {
  color: var(--accent);
}

/* 三步 */
.section-steps {
  background: var(--surface);
}

.steps-grid {
  display: flex;
  align-items: center;
  gap: 10px;
  justify-content: space-between;
  max-width: 960px;
  margin: 0 auto;
}

.step-item {
  flex: 1;
  text-align: center;
  padding: 24px 20px;
  position: relative;
}

.step-num {
  font-size: 3.25rem;
  font-weight: 800;
  color: var(--primary-light);
  line-height: 1;
  margin-bottom: 8px;
  font-variant-numeric: tabular-nums;
}

.step-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin: 0 auto 20px;
  box-shadow: 0 6px 18px rgba(14, 140, 98, 0.12);
}

.step-item h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 8px;
}

.step-item p {
  color: var(--muted);
  font-size: 0.9375rem;
  line-height: 1.65;
  max-width: 220px;
  margin: 0 auto;
}

.step-divider {
  position: relative;
  flex: 0 0 64px;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--primary) 0px, var(--primary) 6px, transparent 6px, transparent 12px);
  opacity: 0.4;
  align-self: flex-start;
  margin-top: 110px;
}

.step-divider::after {
  content: "";
  position: absolute;
  right: -2px;
  top: -5px;
  width: 12px;
  height: 12px;
  background: var(--accent);
  border: 2px solid #FFFFFF;
  border-radius: 50%;
  box-shadow: 0 2px 8px rgba(242, 106, 33, 0.4);
}

.steps-skip {
  text-align: center;
  margin-top: 30px;
}

.steps-skip a {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.9rem;
  border-bottom: 1px dashed var(--line);
  transition: color var(--transition), border-color var(--transition);
}

.steps-skip a:hover {
  color: var(--primary);
  border-color: var(--primary);
}

/* 案例 */
.section-cases {
  background: var(--bg);
}

.case-card {
  display: flex;
  flex-wrap: wrap;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-base);
  overflow: hidden;
  margin-bottom: 40px;
  transition: box-shadow var(--transition), transform var(--transition);
}

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

.case-image {
  flex: 0 0 48%;
  max-width: 48%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  position: relative;
}

.case-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.4s ease;
}

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

.case-content {
  flex: 1;
  padding: 42px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.case-content .tag {
  align-self: flex-start;
  margin-bottom: 14px;
}

.case-content h3 {
  font-size: 1.375rem;
  font-weight: 800;
  color: var(--text);
  margin: 0 0 12px;
  line-height: 1.35;
}

.case-content > p {
  color: var(--muted);
  font-size: 0.955rem;
  line-height: 1.7;
  margin: 0 0 24px;
}

.case-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

.case-stats li {
  display: flex;
  flex-direction: column;
  border-left: 3px solid var(--primary);
  padding-left: 14px;
}

.case-stats li b {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 2px;
}

.case-stats li span {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--accent);
}

.case-reverse .case-image {
  order: 2;
}

.case-reverse .case-content {
  order: 1;
}

/* 资讯 */
.section-news {
  background: #EDF1EC;
}

.news-toolbar {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 24px;
}

.news-search {
  position: relative;
  width: 280px;
}

.news-search i {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  font-size: 0.9rem;
}

.news-search input {
  width: 100%;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 100px;
  background: var(--surface);
  font-size: 0.9rem;
  padding: 0 16px 0 40px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.news-search input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(14, 140, 98, 0.15);
}

.news-search input::placeholder {
  color: var(--muted);
}

.news-list {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-base);
  overflow: hidden;
  padding: 0 30px;
}

.news-row {
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
  transition: background var(--transition);
}

.news-row:last-child {
  border-bottom: none;
}

.news-row:hover {
  background: var(--primary-light);
  border-radius: 12px;
  padding-left: 16px;
  padding-right: 16px;
}

.news-tag {
  flex: 0 0 auto;
  background: var(--primary-light);
  color: var(--primary-dark);
  font-size: 0.8125rem;
  font-weight: 700;
  border-radius: 100px;
  padding: 4px 16px;
}

.news-main {
  flex: 1;
  min-width: 0;
}

.news-title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.4;
  transition: color var(--transition);
}

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

.news-excerpt {
  font-size: 0.9rem;
  color: var(--muted);
  margin: 6px 0 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-meta {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
}

.news-meta span {
  font-size: 0.83rem;
  color: var(--muted);
}

.news-meta a {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary);
}

.news-meta a:hover {
  color: var(--accent);
}

.news-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--muted);
  border: 2px dashed var(--line);
  border-radius: var(--radius-card);
  background: var(--surface);
}

.news-empty i {
  font-size: 2.6rem;
  color: var(--line);
  margin-bottom: 14px;
}

.news-empty p {
  font-size: 0.95rem;
  margin: 0;
}

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

.faq-intro h2 {
  font-size: clamp(1.75rem, 2.6vw, 2.25rem);
  font-weight: 800;
  color: var(--text);
  margin: 12px 0 12px;
}

.faq-intro .section-line {
  display: block;
  width: 48px;
  height: 4px;
  border-radius: 4px;
  background: var(--primary);
  margin-bottom: 0;
}

.faq-intro p {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 24px;
}

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

.faq-item {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.faq-item.active {
  border-color: var(--primary);
  box-shadow: 0 4px 16px rgba(14, 140, 98, 0.08);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 18px 24px;
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  gap: 16px;
}

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

.faq-icon {
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  transition: transform 0.3s ease, background var(--transition), color var(--transition);
}

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

.faq-answer {
  display: none;
  padding: 0 24px 20px;
  color: var(--muted);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  display: block;
}

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

.section-cta::before {
  content: "";
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(14, 140, 98, 0.2) 0%, transparent 70%);
  top: -120px;
  right: -120px;
}

.section-cta::after {
  content: "";
  position: absolute;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(242, 106, 33, 0.14) 0%, transparent 70%);
  bottom: -80px;
  left: -80px;
}

.cta-wrap {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.cta-copy h2 {
  font-size: clamp(1.75rem, 3vw, 2.375rem);
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.25;
  margin: 0 0 16px;
}

.cta-copy > p {
  color: rgba(255, 255, 255, 0.78);
  font-size: 1rem;
  line-height: 1.7;
  margin: 0 0 28px;
  max-width: 440px;
}

.contact-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  padding: 22px 24px;
}

.contact-card p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.9375rem;
  margin: 0 0 12px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.contact-card p:last-child {
  margin-bottom: 0;
}

.contact-card i {
  color: var(--accent);
  width: 18px;
  text-align: center;
}

.cta-form-card {
  background: var(--surface);
  border-radius: 18px;
  padding: 38px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
}

.cta-form-card h3 {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text);
  margin: 0 0 26px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 20px;
}

.form-grid .full {
  grid-column: 1 / -1;
}

.form-grid label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
}

.form-grid input,
.form-grid select,
.form-grid textarea {
  height: 44px;
  border: 1px solid #D9DBD4;
  border-radius: 8px;
  padding: 0 14px;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--text);
  background: #FBFCF8;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.form-grid textarea {
  height: auto;
  padding: 12px 14px;
  resize: vertical;
}

.form-grid input:focus,
.form-grid select:focus,
.form-grid textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(14, 140, 98, 0.14);
  background: #FFFFFF;
}

.form-grid input::placeholder,
.form-grid textarea::placeholder {
  color: #A0A59D;
}

.form-grid select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%235C625B' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

.form-success {
  background: var(--primary-light);
  border: 1px solid rgba(14, 140, 98, 0.3);
  border-radius: 10px;
  color: var(--primary-dark);
  padding: 12px 16px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-top: 16px;
}

/* 页脚 */
.site-footer {
  background: #101210;
  color: rgba(255, 255, 255, 0.72);
  border-top: 3px solid var(--primary);
  padding: 56px 0 0;
}

.site-footer .row {
  display: flex;
  flex-wrap: wrap;
}

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

.footer-brand .brand-text {
  color: #FFFFFF;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.875rem;
  margin: 0;
}

.site-footer h4 {
  font-size: 1rem;
  font-weight: 700;
  color: #FFFFFF;
  margin: 0 0 18px;
}

.site-footer ul li {
  margin-bottom: 10px;
  font-size: 0.9rem;
}

.site-footer ul li a {
  color: rgba(255, 255, 255, 0.72);
  transition: color var(--transition);
}

.site-footer ul li a:hover {
  color: var(--primary-light);
}

.site-footer ul li i {
  width: 20px;
  color: var(--accent);
  margin-right: 6px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: 44px;
  padding: 20px 0 24px;
  text-align: center;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.45);
}

.footer-bottom p {
  margin: 4px 0;
}

/* 响应式 */
@media (max-width: 1024px) {
  .main-nav {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-cta {
    display: none;
  }

  .hero {
    padding-top: 120px;
  }

  .hero .row {
    gap: 32px;
  }

  .hero-panel {
    margin-left: 0;
    max-width: 100%;
  }

  .steps-grid {
    flex-wrap: wrap;
    gap: 20px;
  }

  .step-item {
    flex: 1 1 230px;
  }

  .step-divider {
    display: none;
  }

  .case-card {
    flex-direction: column;
  }

  .case-image {
    flex: 0 0 auto;
    max-width: 100%;
    width: 100%;
    aspect-ratio: 16 / 8;
  }

  .case-reverse .case-image {
    order: 0;
  }

  .case-reverse .case-content {
    order: 1;
  }

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

  .news-row {
    flex-wrap: wrap;
    gap: 12px;
  }

  .news-meta {
    width: 100%;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .news-list {
    padding: 0 20px;
  }
}

@media (max-width: 640px) {
  .header-inner {
    padding: 8px 14px;
  }

  .brand-text {
    font-size: 1.1rem;
  }

  .brand-icon {
    width: 34px;
    height: 34px;
    font-size: 15px;
  }

  .hero {
    padding-top: 110px;
    padding-bottom: 60px;
    min-height: auto;
  }

  .hero h1 {
    font-size: 2.1rem;
  }

  .hero-sub {
    font-size: 1rem;
  }

  .hero-actions .btn {
    width: 100%;
    margin-bottom: 4px;
  }

  .hero-trust {
    gap: 10px;
  }

  .trust-item {
    font-size: 0.8rem;
    padding: 5px 12px;
  }

  .panel-foot .cd-item {
    width: 52px;
    height: 58px;
  }

  .section-steps .steps-grid {
    flex-direction: column;
  }

  .step-item {
    max-width: 100%;
  }

  .step-divider {
    display: none;
  }

  .case-content {
    padding: 30px 24px;
  }

  .case-stats {
    gap: 16px;
    flex-direction: column;
  }

  .news-row {
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 0;
  }

  .news-row:hover {
    padding-left: 12px;
    padding-right: 12px;
  }

  .news-search {
    width: 100%;
  }

  .section-faq .row {
    display: block;
  }

  .faq-intro {
    margin-bottom: 32px;
  }

  .faq-question {
    padding: 16px 18px;
    font-size: 0.93rem;
  }

  .faq-answer {
    padding: 0 18px 18px;
  }

  .cta-form-card {
    padding: 26px 22px;
  }

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

  .form-grid .full {
    grid-column: auto;
  }

  .site-footer .columns {
    margin-bottom: 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }

  .case-card {
    transform: none !important;
  }

  .case-card:hover {
    transform: none !important;
  }
}

/* roulang page: category1 */
:root {
  --primary: #0E8C62;
  --primary-dark: #0A6548;
  --primary-light: #E7F5EF;
  --accent: #F26A21;
  --accent-light: #FDE9DF;
  --ink: #171916;
  --text: #22241F;
  --muted: #5C625B;
  --bg: #F6F7F2;
  --surface: #FFFFFF;
  --line: #E3E5DE;
  --success: #1B8A4C;
  --error: #C73A3A;
  --radius-card: 16px;
  --radius-btn: 10px;
  --shadow-base: 0 1px 2px rgba(0,0,0,.05), 0 6px 18px rgba(0,0,0,.05);
  --shadow-hover: 0 14px 30px rgba(0,0,0,.10);
  --container-w: 1200px;
  --gutter: 24px;
  --section-space: clamp(4rem, 8vw, 7rem);
  --font-primary: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

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

a {
  color: var(--primary);
  text-decoration: none;
  transition: color .25s ease;
}

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

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

.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.row {
  max-width: 100%;
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  padding: 0 28px;
  border-radius: var(--radius-btn);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1;
  transition: all .25s ease;
  cursor: pointer;
  white-space: nowrap;
}

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

.btn-primary {
  background: var(--primary);
  color: #fff;
  border: 1px solid transparent;
}

.btn-primary:hover {
  background: var(--primary-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-hover);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: inset 0 2px 6px rgba(0,0,0,.15);
}

.btn-accent {
  background: var(--accent);
  color: #fff;
  border: 1px solid transparent;
}

.btn-accent:hover {
  background: #D95A12;
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 8px 22px rgba(242,106,33,.3);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,.7);
}

.btn-outline:hover {
  background: rgba(255,255,255,.12);
  color: #fff;
  border-color: #fff;
}

/* ---------- Header & Nav ---------- */
.site-header {
  position: fixed;
  top: 12px;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 16px;
  pointer-events: none;
}

.main-nav {
  max-width: var(--container-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,.6);
  border-radius: 999px;
  padding: 10px 20px 10px 24px;
  box-shadow: 0 4px 24px rgba(0,0,0,.08);
  pointer-events: auto;
}

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

.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.brand-text {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: nowrap;
}

.nav-links .nav-link {
  position: relative;
  display: inline-block;
  padding: 8px 16px;
  font-size: .95rem;
  font-weight: 500;
  color: var(--text);
  border-radius: 999px;
  transition: all .25s ease;
}

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

.nav-links .nav-link.active {
  color: var(--primary);
  font-weight: 700;
  background: rgba(14,140,98,.06);
}

.nav-links .nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 18px;
  height: 3px;
  border-radius: 2px;
  background: var(--primary);
}

.nav-cta {
  height: 40px;
  padding: 0 20px;
  font-size: .92rem;
  flex-shrink: 0;
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 1.1rem;
  align-items: center;
  justify-content: center;
}

/* ---------- Inner Hero ---------- */
.page-hero {
  position: relative;
  background: linear-gradient(135deg, rgba(9,48,38,.92) 0%, rgba(20,80,63,.88) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding: 140px 0 80px;
  color: #fff;
}

.breadcrumb {
  font-size: .875rem;
  color: rgba(255,255,255,.7);
  margin-bottom: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

.breadcrumb a {
  color: rgba(255,255,255,.95);
}

.breadcrumb a:hover {
  color: #fff;
  text-decoration: underline;
}

.breadcrumb .sep {
  opacity: .5;
}

.page-hero h1 {
  font-size: clamp(2.25rem, 4.5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  max-width: 800px;
}

.page-hero .hero-desc {
  font-size: 1.125rem;
  line-height: 1.7;
  color: rgba(255,255,255,.85);
  max-width: 680px;
  margin-bottom: 10px;
}

/* ---------- Feature Block (Left Text Right Image) ---------- */
.feature-section {
  padding: var(--section-space) 0;
  background: var(--surface);
}

.feature-block {
  display: flex;
  align-items: center;
  gap: clamp(24px, 5vw, 64px);
}

.feature-block.reverse {
  flex-direction: row-reverse;
}

.feature-media {
  flex: 0 0 46%;
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-hover);
}

.feature-media img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  transition: transform .6s ease;
}

.feature-media:hover img {
  transform: scale(1.02);
}

.feature-content {
  flex: 1;
}

.feature-content .badge {
  display: inline-block;
  padding: 6px 16px;
  background: var(--accent-light);
  color: var(--accent);
  font-size: .8125rem;
  font-weight: 600;
  border-radius: 100px;
  margin-bottom: 18px;
}

.feature-content h2 {
  font-size: clamp(1.75rem, 2.6vw, 2.25rem);
  font-weight: 800;
  line-height: 1.3;
  color: var(--ink);
  margin-bottom: 18px;
}

.feature-content p {
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 24px;
}

.feature-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 20px;
}

.stat-item {
  padding: 14px 16px;
  background: var(--bg);
  border-radius: 12px;
  border-left: 3px solid var(--primary);
}

.stat-item .stat-num {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
}

.stat-item .stat-label {
  font-size: .8125rem;
  color: var(--muted);
  margin-top: 4px;
}

/* ---------- Data Bar ---------- */
.data-bar {
  background: linear-gradient(120deg, var(--ink) 0%, #2A2E27 100%);
  color: #fff;
  padding: 56px 0;
}

.data-bar .section-head {
  color: #fff;
}

.data-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 40px;
}

.data-item {
  padding: 8px;
  border-left: 3px solid var(--accent);
  padding-left: 20px;
}

.data-item .data-icon {
  font-size: 1.6rem;
  color: var(--accent);
  margin-bottom: 10px;
}

.data-item h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: #fff;
}

.data-item p {
  color: rgba(255,255,255,.7);
  font-size: .9125rem;
  line-height: 1.7;
}

/* ---------- Content List ---------- */
.list-section {
  padding: var(--section-space) 0;
  background: var(--bg);
}

.list-section .section-title,
.list-section .section-head {
  text-align: center;
  margin-bottom: 48px;
}

.list-section .section-title h2,
.list-section .section-head h2 {
  font-size: clamp(1.75rem, 2.6vw, 2.25rem);
  font-weight: 800;
  color: var(--ink);
}

.section-line {
  width: 42px;
  height: 4px;
  background: var(--primary);
  border-radius: 2px;
  margin: 16px auto 0;
}

.content-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  background: var(--surface);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-base);
}

.list-row {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 26px 30px;
  border-bottom: 1px solid var(--line);
  transition: background .3s ease;
}

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

.list-row:hover {
  background: var(--primary-light);
}

.list-tag {
  flex-shrink: 0;
  padding: 4px 14px;
  background: var(--accent-light);
  color: var(--accent);
  font-size: .75rem;
  font-weight: 700;
  border-radius: 100px;
}

.list-main {
  flex: 1;
  min-width: 0;
}

.list-main h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
  transition: color .25s;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.list-main p {
  font-size: .875rem;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.list-arrow {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .875rem;
  transition: all .25s;
}

.list-row:hover .list-arrow {
  background: var(--primary);
  color: #fff;
  transform: translateX(3px);
}

/* ---------- Process Steps ---------- */
.process-section {
  padding: var(--section-space) 0;
  background: var(--surface);
}

.process-steps {
  display: flex;
  gap: 0;
  margin-top: 48px;
  position: relative;
}

.process-step {
  flex: 1;
  text-align: center;
  position: relative;
  padding: 0 20px;
}

.process-step::before {
  content: "";
  position: absolute;
  top: 40px;
  right: -40%;
  width: 80%;
  height: 2px;
  border-top: 2px dashed var(--line);
  z-index: 0;
}

.process-step:last-child::before {
  display: none;
}

.step-num {
  font-size: .8125rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: .6px;
  margin-bottom: 8px;
  display: block;
}

.step-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
  border: 3px solid #fff;
  box-shadow: var(--shadow-base);
}

.process-step h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 10px;
}

.process-step p {
  font-size: .875rem;
  color: var(--muted);
  max-width: 240px;
  margin: 0 auto;
}

.step-skip {
  text-align: center;
  margin-top: 36px;
}

.step-skip a {
  color: var(--muted);
  font-size: .875rem;
  border-bottom: 1px dashed var(--line);
  transition: all .25s;
}

.step-skip a:hover {
  color: var(--primary);
  border-color: var(--primary);
}

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

.faq-wrap {
  display: flex;
  align-items: flex-start;
  gap: 50px;
}

.faq-left {
  flex: 0 0 33%;
}

.faq-left h2 {
  font-size: clamp(1.75rem, 2.6vw, 2.25rem);
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 14px;
}

.faq-left p {
  color: var(--muted);
  margin-bottom: 24px;
}

.faq-right {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color .3s;
}

.faq-item[open] {
  border-color: var(--primary);
}

.faq-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  font-weight: 600;
  font-size: .9625rem;
  color: var(--text);
  cursor: pointer;
  transition: color .25s;
  user-select: none;
}

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

.faq-item summary::after {
  content: "+";
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary-light);
  transition: transform .3s ease;
  flex-shrink: 0;
}

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

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

.faq-answer {
  padding: 0 22px 20px;
  font-size: .925rem;
  color: var(--muted);
  line-height: 1.75;
}

/* ---------- Quick Links ---------- */
.quick-section {
  padding: var(--section-space) 0;
  background: var(--surface);
}

.quick-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  margin-top: 40px;
}

.quick-card {
  position: relative;
  padding: 36px;
  border-radius: var(--radius-card);
  border: 1px solid var(--line);
  background: var(--bg);
  overflow: hidden;
  transition: all .3s;
}

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

.quick-card .quick-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.quick-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
}

.quick-card p {
  color: var(--muted);
  font-size: .9125rem;
  margin-bottom: 20px;
}

.quick-card .link-go {
  font-weight: 600;
  color: var(--primary);
  font-size: .925rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ---------- CTA ---------- */
.cta-section {
  background: linear-gradient(135deg, var(--ink) 0%, #25332B 100%);
  color: #fff;
  padding: var(--section-space) 0;
}

.cta-wrap {
  display: flex;
  gap: 50px;
}

.cta-left {
  flex: 1;
}

.cta-left h2 {
  font-size: clamp(1.75rem, 2.6vw, 2.4rem);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 16px;
}

.cta-left p {
  color: rgba(255,255,255,.75);
  font-size: 1rem;
  margin-bottom: 28px;
}

.cta-left .btn {
  margin-bottom: 30px;
}

.cta-contact {
  list-style: none;
  margin-top: 20px;
}

.cta-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,.75);
  font-size: .9125rem;
  padding: 6px 0;
}

.cta-contact li i {
  color: var(--accent);
  width: 18px;
  text-align: center;
}

.cta-right {
  flex: 0 0 42%;
}

.form-card {
  background: var(--surface);
  border-radius: 16px;
  padding: 30px;
  color: var(--text);
  box-shadow: 0 20px 60px rgba(0,0,0,.3);
}

.form-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 6px;
}

.form-card .form-sub {
  color: var(--muted);
  font-size: .875rem;
  margin-bottom: 24px;
}

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

.form-group label {
  display: block;
  font-size: .875rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  height: 44px;
  padding: 0 14px;
  border: 1px solid #D9DBD4;
  border-radius: 8px;
  font-family: var(--font-primary);
  font-size: .9125rem;
  color: var(--text);
  background: #FBFBFA;
  transition: all .25s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(14,140,98,.12);
  background: #fff;
}

.form-group textarea {
  height: 80px;
  padding: 12px 14px;
  resize: vertical;
}

.form-card .btn {
  width: 100%;
  height: 48px;
  margin-top: 6px;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ink);
  color: rgba(255,255,255,.75);
  padding: 72px 0 0;
  position: relative;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--primary);
}

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

.footer-brand .brand-icon {
  background: rgba(255,255,255,.1);
  color: #fff;
}

.footer-brand .brand-text {
  color: #fff;
  font-size: 1.3rem;
  font-weight: 800;
}

.site-footer p {
  font-size: .875rem;
  line-height: 1.7;
  color: rgba(255,255,255,.6);
}

.site-footer h4 {
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 18px;
  letter-spacing: .2px;
}

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

.site-footer ul li {
  margin-bottom: 10px;
  font-size: .875rem;
  color: rgba(255,255,255,.6);
}

.site-footer ul li a {
  color: rgba(255,255,255,.65);
  transition: all .25s;
}

.site-footer ul li a:hover {
  color: #fff;
  padding-left: 3px;
}

.site-footer ul li i {
  margin-right: 6px;
  color: var(--accent);
  width: 16px;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 24px 0;
  margin-top: 48px;
  text-align: center;
}

.footer-bottom p {
  font-size: .8125rem;
  color: rgba(255,255,255,.4);
  margin: 0;
}

/* ---------- Focus visibility ---------- */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ---------- prefers-reduced-motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
  .feature-media img,
  .quick-card,
  .btn {
    transform: none !important;
  }
}

/* ---------- Responsive ---------- */
@media screen and (max-width: 1023px) {
  .feature-block {
    flex-direction: column;
    align-items: stretch;
  }
  .feature-block.reverse {
    flex-direction: column;
  }
  .feature-media {
    flex: none;
  }
  .faq-wrap {
    flex-direction: column;
    gap: 40px;
  }
  .cta-wrap {
    flex-direction: column;
  }
  .cta-right {
    flex: none;
  }
  .process-steps {
    flex-direction: column;
    gap: 30px;
  }
  .process-step::before {
    display: none;
  }
  .process-step {
    max-width: 360px;
    margin: 0 auto;
    width: 100%;
  }
  .data-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  .quick-cards {
    grid-template-columns: 1fr;
  }
}

@media screen and (max-width: 767px) {
  .site-header {
    top: 8px;
    padding: 0 12px;
  }
  .main-nav {
    padding: 8px 12px;
    border-radius: 24px;
  }
  .nav-links {
    display: none;
  }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    gap: 2px;
    position: absolute;
    top: 68px;
    left: 12px;
    right: 12px;
    background: #fff;
    border-radius: 16px;
    padding: 14px;
    box-shadow: var(--shadow-hover);
    border: 1px solid var(--line);
    opacity: 0;
    transform: translateY(-8px);
    pointer-events: none;
    transition: all .3s ease;
  }
  .nav-links.open.show {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
  .nav-links.open .nav-link {
    display: block;
    padding: 12px 14px;
    text-align: center;
  }
  .nav-links.open .nav-link.active::after {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
  .nav-cta {
    display: none;
  }
  .page-hero {
    padding: 120px 0 56px;
  }
  .list-row {
    flex-wrap: wrap;
    padding: 18px 16px;
  }
  .list-tag {
    margin-bottom: 4px;
  }
  .list-arrow {
    display: none;
  }
  .list-main h3 {
    white-space: normal;
    line-height: 1.4;
  }
  .list-main p {
    white-space: normal;
  }
  .data-grid {
    grid-template-columns: 1fr;
  }
  .feature-stats {
    grid-template-columns: 1fr 1fr;
  }
  .quick-card {
    padding: 24px;
  }
  .form-card {
    padding: 22px;
  }
  .footer-bottom {
    padding: 20px 16px;
  }
}

@media screen and (max-width: 520px) {
  .feature-stats {
    grid-template-columns: 1fr;
  }
  .btn {
    width: 100%;
  }
  .page-hero h1 {
    font-size: 2rem;
  }
  .faq-item summary {
    font-size: .9rem;
    padding: 16px 16px;
  }
  .faq-answer {
    padding: 0 16px 18px;
  }
}

/* roulang page: article */
:root {
            --primary: #0E8C62;
            --primary-dark: #0A6548;
            --primary-light: #E7F5EF;
            --accent: #F26A21;
            --accent-light: #FDE9DF;
            --ink: #171916;
            --text: #22241F;
            --muted: #5C625B;
            --bg: #F6F7F2;
            --surface: #FFFFFF;
            --line: #E3E5DE;
            --success: #1B8A4C;
            --error: #C73A3A;

            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-pill: 999px;

            --shadow-sm: 0 1px 2px rgba(0, 0, 0, .05), 0 6px 18px rgba(0, 0, 0, .05);
            --shadow-lg: 0 14px 30px rgba(0, 0, 0, .10);
            --transition: all .25s ease;
            --container-pad: 24px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", Arial, sans-serif;
            font-size: 1rem;
            line-height: 1.75;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            padding-top: 90px;
        }

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

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

        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 6px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: var(--container-pad);
            padding-right: var(--container-pad);
        }

        .columns {
            padding-left: 20px;
            padding-right: 20px;
        }

        .site-footer .row,
        .article-section .row {
            max-width: 100%;
            margin-left: -20px;
            margin-right: -20px;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            font-size: .95rem;
            font-weight: 600;
            text-decoration: none;
            border: 1px solid transparent;
            cursor: pointer;
            transition: var(--transition);
        }

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

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

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

        .btn-accent:hover {
            background: #D95A12;
            transform: translateY(-2px);
        }

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

        .btn-outline:hover {
            background: var(--primary-light);
        }

        /* ===== 悬浮导航 ===== */
        .site-header {
            position: fixed;
            top: 14px;
            left: 0;
            right: 0;
            z-index: 50;
        }

        .nav-capsule {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 18px;
            display: flex;
            align-items: center;
            gap: 24px;
            height: 64px;
            background: rgba(255, 255, 255, .9);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid rgba(255, 255, 255, .75);
            border-radius: var(--radius-pill);
            box-shadow: 0 6px 24px rgba(0, 0, 0, .06);
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            flex-shrink: 0;
        }

        .brand-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            box-shadow: 0 4px 12px rgba(14, 140, 98, .3);
            flex-shrink: 0;
        }

        .brand-text {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--ink);
            letter-spacing: .02em;
            white-space: nowrap;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            margin: 0 auto;
        }

        .nav-link {
            display: inline-block;
            font-size: .95rem;
            font-weight: 500;
            color: var(--text);
            padding: 9px 16px;
            border-radius: var(--radius-pill);
            text-decoration: none;
            position: relative;
            transition: var(--transition);
        }

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

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

        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            bottom: 3px;
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--primary);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 9px 22px;
            background: var(--accent);
            color: #fff;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: .875rem;
            text-decoration: none;
            box-shadow: 0 4px 12px rgba(242, 106, 33, .25);
            transition: var(--transition);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-cta:hover {
            background: #D95A12;
            transform: translateY(-2px);
            color: #fff;
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            border: 1px solid var(--line);
            background: var(--surface);
            color: var(--text);
            font-size: 1rem;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
        }

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

        .mobile-menu {
            display: none;
            flex-direction: column;
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: 16px;
            box-shadow: var(--shadow-lg);
            margin: 12px auto 0;
            max-width: 1200px;
            padding: 16px;
            gap: 8px;
        }

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

        .mobile-menu .nav-link {
            padding: 12px 16px;
            border-radius: 10px;
        }

        .mobile-menu .nav-link:hover {
            background: var(--primary-light);
        }

        .mobile-menu .nav-cta {
            justify-content: center;
            margin-top: 8px;
        }

        /* ===== 文章横幅 ===== */
        .article-banner {
            background:
                linear-gradient(110deg, rgba(23, 25, 22, .93) 10%, rgba(14, 140, 98, .72) 55%, rgba(15, 25, 20, .42)),
                url('/assets/images/backpic/back-2.png') center / cover no-repeat;
            padding: 96px 0 56px;
            border-bottom: 3px solid var(--primary);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            color: rgba(255, 255, 255, .7);
            font-size: .875rem;
            margin-bottom: 28px;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, .75);
            text-decoration: none;
            transition: var(--transition);
        }

        .breadcrumb a:hover {
            color: #fff;
            text-decoration: underline;
            text-underline-offset: 4px;
        }

        .breadcrumb .sep {
            opacity: .5;
        }

        .breadcrumb .current {
            color: #fff;
            opacity: .92;
            max-width: 320px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .article-title {
            color: #fff;
            font-size: clamp(1.75rem, 3vw, 2.5rem);
            font-weight: 800;
            line-height: 1.3;
            margin: 0 0 1.25rem;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            color: rgba(255, 255, 255, .8);
            font-size: .875rem;
        }

        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: 999px;
            padding: 5px 14px;
            backdrop-filter: blur(4px);
        }

        .meta-item i {
            color: var(--accent);
        }

        /* ===== 文章主体 ===== */
        .article-section {
            padding: clamp(3rem, 6vw, 5rem) 0;
        }

        .article-content {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            padding: clamp(1.5rem, 3vw, 2.5rem);
            box-shadow: var(--shadow-sm);
            font-size: 1rem;
            color: var(--text);
            line-height: 1.85;
            overflow-wrap: break-word;
        }

        .article-content > *:first-child {
            margin-top: 0;
        }

        .article-content h2 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--ink);
            margin: 2.2rem 0 1rem;
            padding-bottom: .55rem;
            border-bottom: 2px solid var(--primary-light);
        }

        .article-content h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--ink);
            margin: 1.75rem 0 .75rem;
        }

        .article-content p {
            margin: 0 0 1.25rem;
        }

        .article-content ul,
        .article-content ol {
            margin: 0 0 1.5rem 1.25rem;
            padding: 0;
        }

        .article-content li {
            margin-bottom: .5rem;
        }

        .article-content blockquote {
            background: var(--primary-light);
            border-left: 4px solid var(--primary);
            border-radius: 0 12px 12px 0;
            color: var(--muted);
            margin: 1.5rem 0;
            padding: 1rem 1.25rem;
        }

        .article-content blockquote p:last-child {
            margin-bottom: 0;
        }

        .article-content img {
            max-width: 100%;
            border-radius: 12px;
            margin: 1.25rem 0;
        }

        .article-content a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-content strong {
            color: var(--ink);
            font-weight: 700;
        }

        .article-content code {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-radius: 6px;
            padding: .2rem .4rem;
            font-size: .9em;
            font-family: "SF Mono", "Consolas", "Courier New", monospace;
        }

        .article-content pre {
            background: var(--ink);
            color: #e8ebe4;
            border-radius: 12px;
            padding: 1.25rem;
            overflow-x: auto;
            margin: 1.5rem 0;
        }

        .article-content pre code {
            background: transparent;
            color: inherit;
            padding: 0;
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: .95rem;
        }

        .article-content th {
            background: var(--primary-light);
            color: var(--ink);
            font-weight: 700;
        }

        .article-content th,
        .article-content td {
            border: 1px solid var(--line);
            padding: .7rem 1rem;
            text-align: left;
        }

        /* ===== 内容未找到 ===== */
        .not-found {
            background: var(--surface);
            border: 1px dashed var(--line);
            border-radius: var(--radius-card);
            padding: 3rem 2rem;
            text-align: center;
            box-shadow: var(--shadow-sm);
        }

        .not-found-icon {
            font-size: 2.8rem;
            color: var(--muted);
            margin-bottom: 1rem;
        }

        .not-found p {
            color: var(--muted);
            margin-bottom: 1.5rem;
        }

        /* ===== 上/下一篇 ===== */
        .article-pagination {
            display: flex;
            justify-content: space-between;
            gap: 14px;
            margin-top: 2rem;
        }

        .page-btn {
            flex: 1;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 18px;
            border: 1px solid var(--line);
            border-radius: 12px;
            background: var(--surface);
            color: var(--text);
            font-size: .9rem;
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
        }

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

        /* ===== 侧边栏 ===== */
        .sidebar-card {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            padding: 1.75rem;
            box-shadow: var(--shadow-sm);
            position: sticky;
            top: 100px;
        }

        .sidebar-card h2 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--ink);
            margin: 0 0 1rem;
            padding-bottom: .75rem;
            border-bottom: 2px solid var(--primary-light);
        }

        .related-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .related-item {
            border-bottom: 1px solid var(--line);
        }

        .related-item:last-child {
            border-bottom: 0;
        }

        .related-item a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 0;
            text-decoration: none;
        }

        .related-thumb {
            width: 76px;
            height: 60px;
            border-radius: 10px;
            object-fit: cover;
            flex-shrink: 0;
            transition: transform .25s ease;
        }

        .related-info {
            display: flex;
            flex-direction: column;
            flex: 1;
            min-width: 0;
        }

        .related-title {
            font-size: .9rem;
            font-weight: 600;
            color: var(--text);
            line-height: 1.45;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 4px;
            transition: color .2s;
        }

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

        .related-item a:hover .related-thumb {
            transform: scale(1.04);
        }

        .related-time {
            font-size: .78rem;
            color: var(--muted);
        }

        .return-link {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            width: 100%;
            margin-top: 1rem;
            padding: 11px 16px;
            border: 1px solid var(--line);
            border-radius: 10px;
            color: var(--text);
            font-size: .875rem;
            font-weight: 500;
            text-decoration: none;
            transition: var(--transition);
        }

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

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--ink);
            color: #d7dbd2;
            padding: 4rem 0 0;
            margin-top: clamp(2rem, 5vw, 4rem);
        }

        .site-footer .row {
            margin-bottom: 0;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 1rem;
        }

        .footer-brand .brand-text {
            color: #fff;
            font-size: 1.3rem;
            font-weight: 800;
        }

        .site-footer h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin: 0 0 1rem;
        }

        .site-footer ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .site-footer li {
            padding: .3rem 0;
            color: #aeb4ab;
            font-size: .9rem;
            line-height: 1.6;
        }

        .site-footer li i {
            margin-right: 6px;
            color: var(--primary);
        }

        .site-footer a {
            color: #aeb4ab;
            text-decoration: none;
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            margin-top: 2.5rem;
            padding: 1.25rem 0;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            color: #8b918a;
            font-size: .85rem;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1023px) {
            .main-nav,
            .nav-cta {
                display: none;
            }

            .nav-toggle {
                display: flex;
                margin-left: auto;
            }

            .nav-capsule {
                gap: 12px;
            }
        }

        @media (max-width: 639px) {
            :root {
                --container-pad: 16px;
            }

            .columns {
                padding-left: 16px;
                padding-right: 16px;
            }

            .site-footer .row,
            .article-section .row {
                margin-left: -16px;
                margin-right: -16px;
            }

            .nav-capsule {
                padding: 0 12px;
                height: 58px;
            }

            .brand-text {
                font-size: 1.1rem;
            }

            .article-banner {
                padding: 80px 0 40px;
            }

            .article-title {
                font-size: 1.5rem;
            }

            .article-meta {
                gap: 8px;
            }

            .meta-item {
                padding: 4px 10px;
                font-size: .78rem;
            }

            .article-content {
                padding: 1.25rem;
            }

            .article-pagination {
                flex-direction: column;
            }

            .page-btn {
                width: 100%;
            }

            .sidebar-card {
                margin-top: 2rem;
                position: static;
            }

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

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                transition: none !important;
                animation: none !important;
                scroll-behavior: auto !important;
            }
        }

/* roulang page: category2 */
/* ========== 设计变量 ========== */
:root{
  --primary:#0E8C62;
  --primary-dark:#0A6548;
  --primary-light:#E7F5EF;
  --accent:#F26A21;
  --accent-dark:#D95A12;
  --accent-light:#FDE9DF;
  --ink:#171916;
  --text:#22241F;
  --muted:#5C625B;
  --bg:#F6F7F2;
  --surface:#FFFFFF;
  --line:#E3E5DE;
  --success:#1B8A4C;
  --error:#C73A3A;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow-base:0 1px 2px rgba(0,0,0,.05),0 6px 18px rgba(0,0,0,.05);
  --shadow-hover:0 14px 30px rgba(0,0,0,.10);
  --space-section:clamp(4rem,8vw,7rem);
  --font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",Arial,sans-serif;
}

/* ========== 基础 Reset / Base ========== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-family);
  font-size:1rem;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary-dark)}
ul,ol{list-style:none}
button{font-family:inherit;border:none;background:none;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:1rem}

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

/* ========== 导航 ========== */
.site-header{
  position:fixed;top:12px;left:0;right:0;z-index:1000;
  display:flex;justify-content:center;padding:0 16px;
}
.main-nav{
  width:100%;max-width:1200px;
  display:flex;align-items:center;justify-content:space-between;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1px solid rgba(227,229,222,.8);
  border-radius:var(--radius-pill);
  box-shadow:var(--shadow-base);
  padding:10px 20px;
}
.nav-logo{display:flex;align-items:center;gap:10px}
.brand-icon{
  width:40px;height:40px;border-radius:50%;
  background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:1.05rem;
}
.brand-text{font-size:1.25rem;font-weight:800;color:var(--primary);letter-spacing:.5px}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-link{
  position:relative;padding:8px 18px;border-radius:var(--radius-pill);
  font-size:.95rem;font-weight:600;color:var(--text);
  transition:all .25s ease;
}
.nav-link:hover{background:var(--primary-light);color:var(--primary-dark)}
.nav-link.active{color:var(--primary-dark);background:var(--primary-light);font-weight:700}
.nav-link.active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  bottom:4px;width:6px;height:6px;border-radius:50%;background:var(--primary);
}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--accent);color:#fff;font-weight:700;font-size:.9rem;
  padding:10px 22px;border-radius:var(--radius-pill);
  box-shadow:0 4px 12px rgba(242,106,33,.28);
  transition:all .25s ease;white-space:nowrap;
}
.nav-cta:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px)}
.nav-toggle{display:none;width:42px;height:42px;border-radius:50%;color:var(--text);font-size:1.15rem;align-items:center;justify-content:center}

/* ========== 页面横幅 ========== */
.page-hero{
  position:relative;background-size:cover;background-position:center;
  padding:180px 0 90px;color:#fff;margin-top:0;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(13,30,22,.93) 0%,rgba(13,30,22,.75) 55%,rgba(13,30,22,.45) 100%);
}
.page-hero .container{position:relative;z-index:2}
.breadcrumb{
  font-size:.875rem;color:rgba(255,255,255,.8);margin-bottom:18px;
  display:flex;align-items:center;gap:8px;
}
.breadcrumb a{color:rgba(255,255,255,.85);transition:color .2s ease}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{opacity:.6}
.page-hero h1{
  font-size:clamp(2rem,4vw,3rem);font-weight:800;color:#fff;
  margin-bottom:16px;line-height:1.25;
}
.page-hero-sub{
  max-width:680px;font-size:1.125rem;color:rgba(255,255,255,.9);line-height:1.8;
}

/* ========== 通用区块标题 ========== */
.section-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--primary-light);color:var(--primary-dark);
  font-size:.8125rem;font-weight:700;padding:6px 16px;
  border-radius:100px;margin-bottom:16px;
}
.section-tag i{font-size:.85rem}
.section-title{
  font-size:clamp(1.75rem,2.6vw,2.25rem);
  font-weight:800;line-height:1.25;color:var(--ink);margin-bottom:12px;
}
.section-lead{color:var(--muted);font-size:1rem;max-width:640px}

/* ========== 合作价值区块 ========== */
.coop-value{padding:var(--space-section) 0;background:var(--surface)}
.value-row{align-items:center;gap:0;margin-bottom:70px}
.value-row:last-child{margin-bottom:0}
.value-media{position:relative;border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-base)}
.value-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;object-position:center;
  transition:transform .35s ease;
}
.value-media:hover img{transform:scale(1.02)}
.value-media::after{
  content:"";position:absolute;inset:0;
  border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-card);pointer-events:none;
}
.value-content{padding:16px 8px 16px 48px}
.value-row.reverse .value-content{padding:16px 48px 16px 8px}
.value-content h2{font-size:1.625rem;font-weight:800;color:var(--ink);margin-bottom:14px}
.value-content p{color:var(--muted);margin-bottom:22px;line-height:1.8}
.value-list li{
  display:flex;align-items:center;gap:12px;padding:9px 0;
  font-size:.95rem;color:var(--text);border-bottom:1px solid var(--line);
}
.value-list li:last-child{border-bottom:none}
.value-list i{color:var(--primary);font-size:1rem;width:22px;text-align:center}

/* ========== 合作流程 ========== */
.coop-process{
  padding:var(--space-section) 0;background:var(--bg);
}
.coop-process .section-title{text-align:center}
.coop-process .section-lead{text-align:center;margin:0 auto 50px}
.process-grid{display:flex;flex-wrap:wrap;margin:0 -12px;position:relative}
.process-item{
  width:25%;padding:0 12px;position:relative;
}
.process-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:30px 24px 26px;
  box-shadow:var(--shadow-base);height:100%;
  transition:box-shadow .3s ease,transform .3s ease;position:relative;
}
.process-card:hover{
  box-shadow:var(--shadow-hover);transform:translateY(-4px);
}
.process-num{
  font-size:2.25rem;font-weight:800;color:var(--primary-light);
  line-height:1;margin-bottom:16px;
}
.process-icon{
  width:52px;height:52px;border-radius:14px;
  background:var(--primary-light);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:1.2rem;
  margin-bottom:18px;transition:background .25s ease,color .25s ease;
}
.process-card:hover .process-icon{background:var(--primary);color:#fff}
.process-card h3{font-size:1.15rem;font-weight:700;color:var(--ink);margin-bottom:10px}
.process-card p{font-size:.875rem;color:var(--muted);line-height:1.65}
.process-arrow{
  position:absolute;top:35%;right:-18px;z-index:2;color:var(--accent);
  font-size:1.2rem;opacity:.6;
}

/* ========== 信息列表区 ========== */
.info-list-section{
  padding:var(--space-section) 0;background:var(--surface);
}
.info-list-header{
  display:flex;align-items:flex-end;justify-content:space-between;
  flex-wrap:wrap;gap:16px;margin-bottom:40px;
}
.info-rows{display:flex;flex-direction:column}
.info-row{
  display:flex;align-items:center;gap:24px;padding:24px 16px;
  border-bottom:1px solid var(--line);border-radius:12px;
  transition:background .25s ease,box-shadow .25s ease;
}
.info-row:first-child{border-top:1px solid var(--line)}
.info-row:hover{background:var(--primary-light);box-shadow:var(--shadow-base)}
.info-tag{
  flex:0 0 96px;text-align:center;
  background:var(--accent-light);color:var(--accent-dark);
  font-size:.8125rem;font-weight:700;padding:6px 12px;border-radius:100px;
}
.info-row-main{flex:1;min-width:0}
.info-row-main h3{font-size:1.1rem;font-weight:700;color:var(--ink);margin-bottom:5px}
.info-row-main p{font-size:.9rem;color:var(--muted);max-width:680px;line-height:1.6}
.info-more{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;
  color:var(--primary);font-weight:600;font-size:.9rem;
  padding:8px 16px;border:1px solid var(--primary);border-radius:100px;
  transition:all .25s ease;white-space:nowrap;
}
.info-more:hover{background:var(--primary);color:#fff;border-color:var(--primary)}

/* ========== FAQ ========== */
.faq-section{padding:var(--space-section) 0;background:var(--bg)}
.faq-left .section-title{margin-bottom:14px}
.faq-left p{color:var(--muted);margin-bottom:24px}
.faq-contact-btn{
  display:inline-flex;align-items:center;gap:10px;
  background:var(--primary);color:#fff;font-weight:700;
  padding:12px 26px;border-radius:var(--radius-btn);
  box-shadow:0 6px 18px rgba(14,140,98,.24);
  transition:background .25s ease,transform .25s ease;
}
.faq-contact-btn:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px)}
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-base);transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item:hover{border-color:var(--primary);box-shadow:var(--shadow-hover)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;
  text-align:left;padding:18px 22px;color:var(--text);
  font-size:1rem;font-weight:600;gap:16px;transition:color .2s ease;
}
.faq-q .faq-icon{
  flex:0 0 26px;height:26px;border-radius:50%;
  background:var(--primary-light);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:.875rem;transition:all .35s ease;
}
.faq-item.open .faq-icon{background:var(--primary);color:#fff;transform:rotate(45deg)}
.faq-a{
  max-height:0;overflow:hidden;padding:0 22px 0;
  color:var(--muted);font-size:.9rem;line-height:1.7;
  transition:max-height .3s ease,padding .3s ease;
}
.faq-item.open .faq-a{max-height:300px;padding:0 22px 20px}
.faq-item.open{border-color:var(--primary)}

/* ========== CTA 区块 ========== */
.cta-section{
  position:relative;padding:var(--space-section) 0;
  background:linear-gradient(120deg,#101310 0%,#1b2b24 100%);
  color:#fff;
}
.cta-section::before{
  content:"";position:absolute;inset:0;opacity:.08;pointer-events:none;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
}
.cta-section .container{position:relative;z-index:2}
.cta-heading{color:#fff;margin-bottom:12px}
.cta-heading .section-title{color:#fff}
.cta-lead{color:rgba(255,255,255,.75);margin-bottom:30px}
.cta-card{
  background:var(--surface);border-radius:var(--radius-card);
  box-shadow:var(--shadow-hover);padding:36px;
}
.cta-card .row{max-width:none}
.form-group{margin-bottom:20px}
.form-group label{
  display:block;font-size:.875rem;font-weight:600;color:var(--text);
  margin-bottom:8px;
}
.form-group label .required{color:var(--error)}
.form-group input,
.form-group select,
.form-group textarea{
  width:100%;height:46px;border:1px solid #D9DBD4;
  border-radius:8px;padding:0 14px;font-size:.95rem;color:var(--text);
  background:#fff;transition:border-color .2s ease,box-shadow .2s ease;
}
.form-group textarea{height:110px;padding:12px 14px;resize:vertical}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(14,140,98,.15);
}
.submit-btn{
  width:100%;height:48px;background:var(--accent);color:#fff;
  font-size:1rem;font-weight:700;border-radius:8px;
  box-shadow:0 6px 18px rgba(242,106,33,.26);
  transition:background .25s ease,transform .2s ease;
}
.submit-btn:hover{background:var(--accent-dark);transform:translateY(-1px)}
.cta-contact{padding:10px 0 10px 30px}
.cta-contact h3{font-size:1.25rem;font-weight:700;color:var(--text);margin-bottom:18px}
.contact-item{
  display:flex;align-items:center;gap:14px;padding:12px 0;
  border-bottom:1px solid var(--line);color:var(--text);font-size:.95rem;
}
.contact-item:last-child{border-bottom:none}
.contact-item i{
  width:38px;height:38px;border-radius:10px;background:var(--primary-light);
  color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:1rem;
  flex-shrink:0;
}
.qrcode-placeholder{
  margin-top:14px;padding:20px;border:1px dashed var(--line);border-radius:12px;
  display:flex;flex-direction:column;align-items:center;gap:12px;color:var(--muted);
  background:#FAFAF6;
}
.qr-icon{font-size:2.2rem;color:var(--primary);opacity:.7}
.qrcode-placeholder span{font-size:.85rem}

/* ========== 相关分类 ========== */
.related-cats{padding:50px 0;background:var(--bg);border-top:1px solid var(--line)}
.related-cats .container{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap}
.related-link{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 24px;border-radius:100px;font-weight:600;font-size:.9rem;
  transition:all .25s ease;
}
.related-link.primary-link{background:var(--primary);color:#fff}
.related-link.primary-link:hover{background:var(--primary-dark);color:#fff}
.related-link.border-link{border:1px solid var(--primary);color:var(--primary)}
.related-link.border-link:hover{background:var(--primary-light)}

/* ========== 页脚 ========== */
.site-footer{
  background:var(--ink);color:rgba(255,255,255,.75);
  padding:60px 0 0;border-top:4px solid var(--primary);
}
.site-footer .container{max-width:1200px;padding:0 24px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:24px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  margin-top:40px;
}
.footer-bottom p{font-size:.85rem;color:rgba(255,255,255,.55)}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-icon{background:rgba(255,255,255,.1);color:#fff}
.footer-brand .brand-text{color:#fff}
.site-footer h4{
  color:#fff;font-size:1.05rem;font-weight:700;margin-bottom:18px;position:relative;padding-bottom:10px;
}
.site-footer h4::after{
  content:"";position:absolute;left:0;bottom:0;width:24px;height:3px;border-radius:3px;background:var(--primary);
}
.site-footer ul li{padding:6px 0;font-size:.9rem;color:rgba(255,255,255,.65)}
.site-footer ul li a{color:rgba(255,255,255,.65);transition:color .2s ease,padding-left .2s ease}
.site-footer ul li a:hover{color:#fff;padding-left:4px}
.site-footer ul li i{margin-right:8px;color:var(--primary)}

/* ========== 响应式 ========== */
@media (max-width:1024px){
  .process-item{width:50%;margin-bottom:20px}
  .process-arrow{display:none}
  .value-content{padding:16px 0 0}
  .value-row.reverse .value-content{padding:16px 0 0}
  .cta-contact{padding:30px 0 0;border-left:none}
}
@media (max-width:768px){
  .nav-toggle{
    display:flex;
  }
  .nav-links{
    position:absolute;top:calc(100% + 8px);left:16px;right:16px;
    background:#fff;border-radius:16px;flex-direction:column;padding:16px;gap:4px;
    box-shadow:var(--shadow-hover);border:1px solid var(--line);
    display:none;
  }
  .nav-links.open{display:flex}
  .nav-link{width:100%;text-align:center;padding:12px}
  .nav-cta{display:none}
  .page-hero{padding:140px 0 70px}
  .info-row{flex-direction:column;align-items:flex-start;gap:12px;padding:20px 16px}
  .info-tag{flex:0 0 auto}
  .info-more{align-self:flex-start}
  .faq-left{margin-bottom:30px}
  .cta-card{padding:24px}
  .cta-section{padding:3.5rem 0}
  .container,.site-footer .container{padding:0 16px}
}
@media (max-width:640px){
  .process-item{width:100%}
  .value-row{margin-bottom:50px}
  .brand-text{font-size:1.1rem}
  .brand-icon{width:36px;height:36px;font-size:.95rem}
  .main-nav{padding:8px 14px}
  .page-hero h1{font-size:1.75rem}
  .page-hero-sub{font-size:1rem}
  .footer-bottom{flex-direction:column;text-align:center}
  .related-cats .container{gap:10px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.01ms!important;
    transition-duration:.01ms!important;
  }
  .card:hover,.process-card:hover,.value-media img:hover{transform:none}
}