/* roulang page: index */
:root {
  --primary: #0E7C6B;
  --primary-deep: #065F52;
  --primary-light: #E7F3EF;
  --accent: #F08C3A;
  --accent-deep: #d97724;
  --accent-light: #FEF0E2;
  --bg: #F7F9F8;
  --bg-deep: #0B2E2A;
  --text-main: #1F2925;
  --text-secondary: #5D6B66;
  --border: #E2EAE7;
  --white: #ffffff;
  --radius-card: 16px;
  --radius-btn: 8px;
  --shadow-card: 0 4px 24px rgba(14,124,107,0.06);
  --shadow-card-hover: 0 8px 32px rgba(14,124,107,0.12);
  --container-width: 1200px;
  --font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

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

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

a {
  color: inherit;
  text-decoration: none;
}

ul,
ol,
p,
h1,
h2,
h3,
h4,
h5,
figure {
  margin: 0;
  padding: 0;
}

li {
  list-style: none;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

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

.section {
  padding: 96px 0;
}

.section-head {
  max-width: 760px;
  margin: 0 auto 52px;
  text-align: center;
}

.section-tag {
  display: inline-block;
  padding: 6px 16px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 40px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .5px;
  margin-bottom: 16px;
}

.section-head h2 {
  font-size: 32px;
  line-height: 1.35;
  font-weight: 800;
  letter-spacing: .5px;
}

.section-head p {
  max-width: 720px;
  margin: 18px auto 0;
  color: var(--text-secondary);
  font-size: 16px;
}

/* 顶部信息条 */
.topbar {
  background: var(--bg-deep);
  color: rgba(255, 255, 255, .86);
  font-size: 13px;
  height: 36px;
}

.topbar-inner {
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.topbar-hint {
  letter-spacing: .3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.topbar-link {
  color: #fff;
  border-bottom: 1px solid rgba(255,255,255,.45);
  padding: 2px 0 1px;
  transition: color .2s ease, border-color .2s ease;
}

.topbar-link:hover {
  color: #bde5dc;
  border-color: #bde5dc;
}

/* Header 导航 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 14px rgba(11, 46, 42, .04);
}

.nav-inner {
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  min-height: 44px;
}

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--primary);
  color: #fff;
  font-weight: 800;
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(14,124,107,.22);
}

.brand-text {
  font-weight: 800;
  font-size: 22px;
  color: var(--text-main);
  letter-spacing: 1px;
}

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

.nav-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color .2s ease, background .2s ease;
}

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

.nav-links a.active {
  color: var(--primary);
  background: var(--primary-light);
  font-weight: 700;
}

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

.header-cta {
  white-space: nowrap;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  background: var(--white);
  border-radius: 10px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 0;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-main);
  border-radius: 4px;
  transition: transform .2s ease, opacity .2s ease;
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-mobile-btn {
  display: none !important;
  margin: 14px 0 4px;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 11px 26px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .25s ease, color .25s ease, transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}

.btn .arrow {
  display: inline-block;
  transition: transform .2s ease;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 16px rgba(14,124,107,.18);
}

.btn-primary:hover {
  background: var(--primary-deep);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(14,124,107,.22);
}

.btn-primary:hover .arrow {
  transform: translateX(3px);
}

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

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

.btn-accent {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 18px rgba(240,140,58,.22);
}

.btn-accent:hover {
  background: var(--accent-deep);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(240,140,58,.28);
}

.btn-light {
  background: #fff;
  color: var(--primary-deep);
  border-color: rgba(255,255,255,.5);
}

.btn-light:hover {
  background: rgba(255,255,255,.9);
  transform: translateY(-2px);
}

.link-more {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  transition: color .2s ease;
}

.link-more span {
  transition: transform .2s ease;
}

.link-more:hover {
  color: var(--primary-deep);
}

.link-more:hover span {
  transform: translateX(3px);
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(231,243,239,.96), rgba(247,249,248,.92)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}

.hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 48px;
  background: linear-gradient(to top, var(--bg), transparent);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 64px;
  align-items: center;
  padding: 92px 0 80px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  background: rgba(255,255,255,.8);
  border: 1px solid rgba(14,124,107,.14);
  border-radius: 40px;
  font-size: 13px;
  color: var(--primary);
  font-weight: 600;
  box-shadow: 0 2px 12px rgba(14,124,107,.06);
}

.hero h1 {
  margin: 24px 0 20px;
  font-size: 46px;
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: 1px;
}

.hero-sub {
  max-width: 560px;
  color: var(--text-secondary);
  font-size: 17px;
  margin-bottom: 34px;
}

.hero-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

.hero-visual {
  position: relative;
}

.hero-cover {
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 18px 48px rgba(11,46,42,.16);
  border: 4px solid #fff;
  background: #fff;
}

.hero-cover img {
  width: 100%;
  height: auto;
}

.hero-float {
  position: absolute;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 8px 28px rgba(11,46,42,.12);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid rgba(255,255,255,.8);
}

.hero-float .float-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.hero-float .float-num {
  font-size: 17px;
  font-weight: 800;
  color: var(--text-main);
  font-feature-settings: "tnum";
  line-height: 1.2;
}

.hero-float .float-label {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.3;
}

.hero-float.f1 {
  top: 32px;
  right: -20px;
}

.hero-float.f2 {
  bottom: 34px;
  left: -26px;
}

/* 信任数据条 */
.trust-bar {
  background: var(--white);
  border-bottom: 1px solid var(--border);
}

.trust-list {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  padding: 26px 0;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 8px 10px;
}

.trust-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--accent-light);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.trust-item strong {
  display: block;
  font-size: 22px;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.25;
  font-feature-settings: "tnum";
}

.trust-item span {
  display: block;
  color: var(--text-secondary);
  font-size: 13px;
}

/* 功能服务 */
.feature-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.feature-media {
  position: relative;
}

.feature-media .media-main {
  border-radius: 22px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border);
}

.feature-media .media-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 420px;
}

.feature-float {
  position: absolute;
  right: -18px;
  bottom: 28px;
  background: #fff;
  border-radius: 16px;
  box-shadow: var(--shadow-card-hover);
  padding: 18px 20px;
  border: 1px solid var(--border);
  width: 190px;
}

.feature-float .ff-title {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.feature-float .ff-value {
  font-size: 22px;
  font-weight: 800;
  color: var(--primary);
  font-feature-settings: "tnum";
}

.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.feat-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 24px;
  box-shadow: var(--shadow-card);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}

.feat-card:hover {
  border-color: rgba(14,124,107,.18);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-3px);
}

.feat-card .fix {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.feat-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}

.feat-card p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 14px;
}

/* 场景区 */
.scene-section {
  background: var(--white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.scene-row {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 64px;
  align-items: stretch;
}

.scene-media {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 190px 190px;
  gap: 16px;
}

.scene-media .media-main {
  grid-row: span 2;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
}

.scene-media .media-sub {
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
}

.scene-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.scene-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.scene-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 24px 26px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: background .25s ease, box-shadow .25s ease, transform .25s ease;
}

.scene-card:hover {
  background: #fff;
  transform: translateX(4px);
  box-shadow: var(--shadow-card);
}

.scene-index {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--accent-light);
  color: var(--accent);
  font-weight: 800;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-feature-settings: "tnum";
}

.scene-card h3 {
  font-size: 18px;
  margin-bottom: 4px;
}

.scene-card p {
  font-size: 14px;
  color: var(--text-secondary);
}

.scene-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  font-size: 12px;
  border-radius: 30px;
  background: var(--white);
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

/* 深色案例 */
.dark-case {
  background: var(--bg-deep);
  color: #fff;
}

.dark-case .section-head h2 {
  color: #fff;
}

.dark-case .section-head p {
  color: rgba(255,255,255,.7);
}

.case-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-bottom: 64px;
}

.stat-card {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-card);
  padding: 26px 20px;
  text-align: center;
}

.stat-card .stat-num {
  font-size: 34px;
  font-weight: 800;
  color: #67C8B8;
  line-height: 1.2;
  font-feature-settings: "tnum";
}

.stat-card .stat-unit {
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
}

.stat-card .stat-label {
  display: block;
  margin-top: 8px;
  color: rgba(255,255,255,.66);
  font-size: 13px;
}

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

.case-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 18px;
  padding: 28px;
  transition: background .25s ease, transform .25s ease;
}

.case-card:hover {
  background: rgba(255,255,255,.1);
  transform: translateY(-3px);
}

.case-card .case-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(240,140,58,.2);
  color: var(--accent);
  margin-bottom: 16px;
}

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

.case-card p {
  color: rgba(255,255,255,.66);
  font-size: 14px;
}

/* 套餐 */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
}

.price-card {
  position: relative;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 38px 28px 30px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}

.price-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(14,124,107,.2);
}

.price-card.recommended {
  border: 2px solid var(--primary);
  box-shadow: var(--shadow-card-hover);
}

.rec-tag {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: #fff;
  padding: 5px 16px;
  border-radius: 30px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .4px;
  white-space: nowrap;
}

.price-type {
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 6px;
}

.price-title {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 8px;
}

.price-desc {
  font-size: 14px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
  padding-bottom: 20px;
  margin-bottom: 22px;
}

.price-note {
  font-size: 14px;
  color: var(--text-secondary);
  background: var(--bg);
  border-radius: 10px;
  padding: 8px 14px;
  margin-bottom: 16px;
}

.price-feature {
  margin-bottom: 26px;
}

.price-feature li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 14px;
  color: var(--text-main);
  padding: 7px 0;
}

.price-feature li svg {
  flex-shrink: 0;
  margin-top: 4px;
  color: var(--primary);
}

.price-card .btn {
  margin-top: auto;
}

/* 资讯列表 */
.news-section {
  background: var(--bg);
}

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

.news-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 26px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  transition: box-shadow .25s ease, transform .25s ease, border-color .25s ease;
}

.news-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-3px);
  border-color: rgba(14,124,107,.18);
}

.news-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.news-cat {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 30px;
  font-size: 12px;
  font-weight: 600;
}

.news-date {
  color: var(--text-secondary);
  font-size: 13px;
  font-feature-settings: "tnum";
}

.news-card h3 {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
  margin-bottom: 14px;
}

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

.news-card p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 18px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-empty {
  grid-column: 1 / -1;
  background: var(--white);
  border: 1px dashed var(--border);
  border-radius: 18px;
  padding: 64px 20px;
  text-align: center;
  color: var(--text-secondary);
  font-size: 15px;
}

.news-empty .empty-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  margin: 0 auto 14px;
}

/* CTA 横幅 */
.cta-banner {
  position: relative;
  overflow: hidden;
  border-radius: 26px;
  background: linear-gradient(120deg, var(--bg-deep), #17685c), url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  background-blend-mode: multiply;
  padding: 64px 54px;
}

.cta-banner-inner {
  max-width: 720px;
  color: #fff;
}

.cta-banner .cta-label {
  color: rgba(255,255,255,.75);
  font-size: 14px;
  letter-spacing: 1px;
  margin-bottom: 14px;
}

.cta-banner h2 {
  color: #fff;
  font-size: 32px;
  font-weight: 800;
  line-height: 1.35;
  margin-bottom: 18px;
}

.cta-banner p {
  color: rgba(255,255,255,.78);
  font-size: 16px;
  margin-bottom: 32px;
}

.cta-banner .btn {
  margin-right: 10px;
}

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

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

.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.faq-item.open {
  border-color: rgba(14,124,107,.2);
  box-shadow: var(--shadow-card);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  padding: 22px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 60px;
}

.faq-question .faq-icon {
  position: relative;
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--primary-light);
  transition: background .2s ease;
}

.faq-question .faq-icon::before,
.faq-question .faq-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--primary);
  transform: translate(-50%, -50%);
}

.faq-question .faq-icon::before {
  width: 12px;
  height: 2px;
  border-radius: 4px;
}

.faq-question .faq-icon::after {
  width: 2px;
  height: 12px;
  border-radius: 4px;
  transition: transform .2s ease;
}

.faq-item.open .faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
  opacity: 0;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 24px;
  color: var(--text-secondary);
  font-size: 15px;
  transition: max-height .35s ease, padding .3s ease;
}

.faq-item.open .faq-answer {
  max-height: 500px;
  padding: 0 24px 24px;
}

.faq-bottom {
  text-align: center;
  margin-top: 40px;
  color: var(--text-secondary);
  font-size: 15px;
}

.faq-bottom a {
  color: var(--primary);
  font-weight: 600;
  border-bottom: 1px solid rgba(14,124,107,.3);
  transition: border-color .2s ease;
}

.faq-bottom a:hover {
  border-color: var(--primary);
}

/* 页脚 */
.site-footer {
  background: var(--bg-deep);
  color: rgba(255,255,255,.75);
  padding: 76px 0 0;
  margin-top: 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.7fr 1fr 1fr 1.4fr;
  gap: 40px;
  padding-bottom: 48px;
}

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

.footer-brand .footer-desc {
  margin-top: 16px;
  max-width: 360px;
  font-size: 14px;
  color: rgba(255,255,255,.6);
  line-height: 1.9;
}

.footer-col h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
}

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

.footer-links a {
  display: inline-block;
  font-size: 14px;
  color: rgba(255,255,255,.66);
  transition: color .2s ease, padding-left .2s ease;
}

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

.footer-contact {
  font-size: 14px;
  color: rgba(255,255,255,.66);
  line-height: 2;
}

.footer-contact a {
  color: rgba(255,255,255,.85);
  transition: color .2s ease;
}

.footer-contact a:hover {
  color: #67C8B8;
}

.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 14px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.8);
  transition: background .2s ease, border-color .2s ease, color .2s ease;
}

.footer-social a:hover {
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.5);
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12);
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
  color: rgba(255,255,255,.55);
}

.footer-bottom .copyright a {
  color: rgba(255,255,255,.8);
}

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

/* 响应式 */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .hero-visual {
    max-width: 640px;
  }

  .feature-split {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .scene-row {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

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

@media (max-width: 900px) {
  .nav-links {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 24px 18px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 14px 30px rgba(0,0,0,.08);
    display: none;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    padding: 12px 14px;
    border-radius: 10px;
    border-bottom: 1px solid var(--border);
  }

  .nav-links a:last-of-type {
    border-bottom: none;
  }

  .nav-mobile-btn {
    display: flex !important;
    justify-content: center;
    margin-top: 14px;
    border: none;
  }

  .header-cta {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }
}

@media (max-width: 767px) {
  .section {
    padding: 60px 0;
  }

  .topbar-inner {
    font-size: 12px;
  }

  .topbar-hint {
    max-width: 62%;
  }

  .nav-inner {
    height: 64px;
  }

  .nav-links {
    top: 64px;
  }

  .hero h1 {
    font-size: 32px;
  }

  .hero-sub {
    font-size: 16px;
  }

  .hero-float {
    position: static;
    margin-top: 16px;
    display: inline-flex;
  }

  .hero-float.f1,
  .hero-float.f2 {
    left: auto;
    right: auto;
    top: auto;
  }

  .hero-floats {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 14px;
  }

  .trust-list {
    justify-content: center;
  }

  .trust-item {
    width: calc(50% - 10px);
  }

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

  .feature-media .media-main img {
    min-height: 220px;
  }

  .scene-media {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }

  .scene-media .media-main {
    grid-row: auto;
    min-height: 180px;
  }

  .scene-media .media-sub {
    min-height: 160px;
  }

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

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

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

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

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

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

  .price-card {
    padding: 30px 20px 24px;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }

  .trust-item {
    width: 100%;
  }

  .hero-inner {
    padding: 56px 0 48px;
  }

  .hero-cover {
    border-radius: 16px;
  }

  .hero-btns .btn,
  .cta-banner .btn {
    width: 100%;
    margin: 0 0 10px;
  }

  .feature-float {
    position: static;
    width: auto;
    margin-top: 14px;
  }

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

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

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

  .footer-contact {
    font-size: 13px;
  }
}

/* roulang page: article */
:root{
  --primary:#0E7C6B;
  --primary-dark:#065F52;
  --primary-light:#E7F3EF;
  --accent:#F08C3A;
  --accent-light:#FEF0E2;
  --bg:#F7F9F8;
  --bg-deep:#0B2E2A;
  --text-main:#1F2925;
  --text-secondary:#5D6B66;
  --border:#E2EAE7;
  --white:#FFFFFF;
  --font-main:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Helvetica Neue",sans-serif;
  --card-radius:16px;
  --img-radius:12px;
  --shadow:0 4px 24px rgba(14,124,107,0.06);
  --shadow-hover:0 8px 32px rgba(14,124,107,0.12);
  --trans:all .25s ease;
  --font-tnum:"SF Mono",SFMono-Regular,Consolas,"Liberation Mono",monospace;
}

*,*:before,*:after{box-sizing:border-box;margin:0;padding:0;}
html,body{scroll-behavior:smooth;}
body{
  font-family:var(--font-main);
  background:var(--bg);
  color:var(--text-main);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;transition:var(--trans);}
a:hover{color:var(--primary-dark);}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
}
button{font-family:inherit;border:none;background:none;cursor:pointer;}
ul,ol{list-style:none;}

.container,.grid-container{max-width:1200px;margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px;width:100%;}

/* Button System */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:8px;
  font-size:15px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  transition:var(--trans);
  min-height:46px;
  white-space:nowrap;
  cursor:pointer;
}
.btn-primary{
  background:var(--primary);
  color:#fff;
  border-color:var(--primary);
}
.btn-primary:hover{
  background:var(--primary-dark);
  border-color:var(--primary-dark);
  color:#fff;
  transform:translateY(-1px);
  box-shadow:0 6px 18px rgba(14,124,107,.22);
}
.btn-primary i{
  transition:transform .25s;
}
.btn-primary:hover i{
  transform:translateX(3px);
}
.btn-outline{
  background:transparent;
  color:var(--primary);
  border:1px solid var(--primary);
}
.btn-outline:hover{
  background:rgba(14,124,107,.08);
  color:var(--primary-dark);
}
.btn-accent{
  background:var(--accent);
  color:#fff;
  border-color:var(--accent);
}
.btn-accent:hover{
  background:#d97927;
  color:#fff;
  border-color:#d97927;
}
.btn-lg{height:52px;padding:0 30px;font-size:16px;}

/* Topbar */
.topbar{
  background:var(--bg-deep);
  color:rgba(255,255,255,.82);
  font-size:13px;
  min-height:36px;
  display:flex;
  align-items:center;
}
.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-top:4px;
  padding-bottom:4px;
}
.topbar-domain{
  font-family:var(--font-tnum);
  letter-spacing:.04em;
  color:rgba(255,255,255,.75);
}
.topbar-link{
  color:var(--accent);
  font-weight:500;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.topbar-link:hover{color:#ffb37c;}

/* Header */
.site-header{
  background:#fff;
  position:sticky;
  top:0;
  z-index:100;
  border-bottom:1px solid var(--border);
  box-shadow:0 1px 12px rgba(15,40,34,.04);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:78px;
  position:relative;
  gap:24px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:42px;
  height:42px;
  border-radius:12px;
  background:linear-gradient(135deg,rgba(14,124,107,.14),rgba(240,140,58,.2));
  border:1px solid var(--border);
  color:var(--primary);
  font-size:21px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:var(--trans);
}
.brand:hover .brand-mark{
  background:var(--primary);
  color:#fff;
  border-color:var(--primary);
  transform:translateY(-1px);
}
.brand-text{
  font-size:20px;
  font-weight:700;
  color:var(--text-main);
  letter-spacing:.02em;
  line-height:1.2;
}
.brand-text small{
  display:flex;
  font-weight:400;
  font-size:11px;
  color:var(--text-secondary);
  letter-spacing:.12em;
  font-family:var(--font-tnum);
  margin-top:2px;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:28px;
  margin-left:auto;
}
.nav-links > a{
  color:var(--text-main);
  font-size:15px;
  font-weight:500;
  position:relative;
  padding:10px 0;
  line-height:1.4;
}
.nav-links > a::after{
  content:"";
  position:absolute;
  bottom:2px;
  left:0;
  width:0;
  height:2px;
  border-radius:2px;
  background:var(--primary);
  transition:var(--trans);
}
.nav-links > a:hover,.nav-links > a.active{
  color:var(--primary);
}
.nav-links > a:hover::after,.nav-links > a.active::after{
  width:100%;
}
.nav-links > a.nav-mobile-btn{
  display:none;
}
.nav-actions{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  border-radius:8px;
}
.nav-toggle span{
  display:block;
  width:22px;
  height:2px;
  background:var(--text-main);
  border-radius:2px;
  transition:var(--trans);
}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* Article Main */
.article-page main{
  padding-bottom:20px;
  overflow-x:clip;
}
.article-hero{
  background:
    linear-gradient(180deg,rgba(14,124,107,.82),rgba(11,46,42,.94)),
    url(/assets/images/backpic/back-3.webp) center/cover no-repeat;
  padding-top:56px;
  padding-bottom:64px;
  color:#fff;
}
.article-hero .breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  color:rgba(255,255,255,.72);
  font-size:13px;
  margin-bottom:28px;
}
.article-hero .breadcrumb a{
  color:rgba(255,255,255,.9);
}
.article-hero .breadcrumb a:hover{
  color:#fff;
}
.article-hero .breadcrumb .sep{
  color:rgba(255,255,255,.5);
}
.article-hero .breadcrumb .current{
  color:var(--accent);
}
.post-chips{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:16px;
}
.chip{
  display:inline-flex;
  align-items:center;
  background:rgba(255,255,255,.15);
  backdrop-filter:blur(4px);
  border:1px solid rgba(255,255,255,.18);
  color:#fff;
  font-size:13px;
  line-height:1;
  padding:6px 12px;
  border-radius:999px;
}
.article-title{
  font-size:clamp(30px,5vw,46px);
  line-height:1.25;
  font-weight:700;
  max-width:960px;
  text-shadow:0 2px 12px rgba(0,0,0,.12);
  margin-bottom:22px;
  word-break:break-word;
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px 24px;
  color:rgba(255,255,255,.82);
  font-size:14px;
}
.hero-meta-item{
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.hero-meta-item i{
  color:var(--accent);
  font-size:14px;
}
.hero-meta-item .post-time{
  font-family:var(--font-tnum);
  font-variant-numeric:tabular-nums;
}

.article-body-wrap{
  margin-top:-30px;
  position:relative;
  z-index:2;
}
.post-panel{
  background:#fff;
  border-radius:20px;
  border:1px solid var(--border);
  box-shadow:var(--shadow);
  padding:60px 76px;
  max-width:920px;
  margin:0 auto;
}
.post-body{
  font-size:16px;
  line-height:1.9;
  color:#2E3B36;
  word-break:break-word;
}
.post-body > * {
  margin-bottom:1.3em;
}
.post-body h1,.post-body h2,.post-body h3,.post-body h4{
  color:var(--text-main);
  line-height:1.35;
  font-weight:700;
  margin-top:1.6em;
  margin-bottom:.8em;
}
.post-body h2{
  font-size:26px;
  padding-left:16px;
  border-left:4px solid var(--primary);
  border-radius:2px;
}
.post-body h3{
  font-size:20px;
}
.post-body h4{
  font-size:17px;
  color:var(--primary-dark);
}
.post-body p{
  color:#33413C;
}
.post-body ul,.post-body ol{
  padding-left:4px;
}
.post-body ul li{
  position:relative;
  padding-left:22px;
  margin-bottom:.65em;
  color:#33413C;
}
.post-body ul li::before{
  content:"";
  position:absolute;
  left:2px;
  top:.78em;
  width:7px;
  height:7px;
  border-radius:2px;
  background:var(--primary);
}
.post-body ol{
  counter-reset:article-ol;
}
.post-body ol li{
  position:relative;
  padding-left:32px;
  counter-increment:article-ol;
  margin-bottom:.65em;
  color:#33413C;
}
.post-body ol li::before{
  content:counter(article-ol);
  position:absolute;
  left:0;
  top:.1em;
  width:22px;
  height:22px;
  border-radius:50%;
  background:var(--primary-light);
  color:var(--primary-dark);
  font-size:12px;
  font-weight:600;
  display:flex;
  align-items:center;
  justify-content:center;
  line-height:1;
}
.post-body a{
  color:var(--primary);
  text-decoration:underline;
  text-underline-offset:3px;
  text-decoration-color:rgba(14,124,107,.35);
}
.post-body a:hover{
  color:var(--primary-dark);
  text-decoration-color:var(--primary-dark);
}
.post-body blockquote{
  margin:1.6em 0;
  padding:18px 24px;
  background:var(--primary-light);
  border-left:4px solid var(--primary);
  border-radius:0 12px 12px 0;
  color:var(--text-main);
  font-size:15px;
  position:relative;
}
.post-body blockquote p:last-child{
  margin-bottom:0;
}
.post-body blockquote cite{
  display:block;
  margin-top:8px;
  font-style:normal;
  color:var(--text-secondary);
  font-size:13px;
}
.post-body img{
  border-radius:var(--img-radius);
  background:#F1F4F2;
  margin:1.6em auto;
}
.post-body figcaption{
  font-size:13px;
  color:var(--text-secondary);
  text-align:center;
  margin:-1em auto 1.6em;
}
.post-body pre{
  background:#102E2A;
  color:#E8F1EE;
  padding:20px 22px;
  border-radius:12px;
  font-family:var(--font-tnum);
  font-size:14px;
  line-height:1.7;
  overflow-x:auto;
  margin:1.6em 0;
}
.post-body code{
  background:var(--primary-light);
  color:var(--primary-dark);
  border-radius:5px;
  padding:2px 7px;
  font-family:var(--font-tnum);
  font-size:.92em;
}
.post-body pre code{
  background:transparent;
  color:inherit;
  padding:0;
}
.post-body hr{
  border:none;
  border-top:1px solid var(--border);
  margin:2em 0;
}
.post-body table{
  width:100%;
  border-collapse:collapse;
  font-size:14.5px;
  margin:1.4em 0;
  border-radius:10px;
  overflow:hidden;
}
.post-body table th{
  text-align:left;
  background:var(--primary-dark);
  color:#fff;
  padding:12px 14px;
  font-weight:600;
  white-space:nowrap;
}
.post-body table td{
  padding:12px 14px;
  border:1px solid var(--border);
  color:#33413C;
}
.post-body table tr:nth-child(even){
  background:#F9FBFA;
}

.post-empty{
  padding:30px 20px;
  text-align:center;
}
.notfound-icon{
  width:84px;
  height:84px;
  margin:0 auto 20px;
  border-radius:26px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:var(--primary-light);
  color:var(--primary);
  font-size:36px;
}
.post-empty h1{
  font-size:30px;
  color:var(--text-main);
  margin-bottom:10px;
}
.post-empty p{
  color:var(--text-secondary);
  max-width:420px;
  margin:0 auto 26px;
}

/* Related Section */
.related-section{
  background:var(--bg);
  padding-top:44px;
  padding-bottom:96px;
}
.section-head{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  align-items:flex-end;
  gap:16px;
  margin-bottom:30px;
}
.section-head h2{
  font-size:30px;
  line-height:1.3;
  color:var(--text-main);
  font-weight:700;
  position:relative;
}
.section-head h2::after{
  content:"";
  display:block;
  width:54px;
  height:4px;
  margin-top:14px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  border-radius:4px;
}
.section-sub{
  color:var(--text-secondary);
  font-size:15px;
  max-width:640px;
}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.related-card{
  background:#fff;
  border:1px solid transparent;
  border-radius:var(--card-radius);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:var(--trans);
  height:100%;
  display:flex;
  flex-direction:column;
}
.related-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(14,124,107,.18);
}
.related-card-img{
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--primary-light);
}
.related-card-img img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.related-card:hover .related-card-img img{
  transform:scale(1.04);
}
.related-card-body{
  padding:22px 22px 20px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
}
.related-card-body h3{
  font-size:18px;
  line-height:1.45;
  color:var(--text-main);
  font-weight:600;
  transition:var(--trans);
}
.related-card:hover .related-card-body h3{
  color:var(--primary);
}
.related-card-body p{
  font-size:14px;
  color:var(--text-secondary);
  line-height:1.65;
}
.related-more{
  margin-top:auto;
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--primary);
  font-size:14px;
  font-weight:600;
}
.related-card:hover .related-more i{
  transform:translateX(3px);
}
.related-more i{
  transition:transform .25s;
}

/* CTA Area */
.cta-banner{
  padding:0;
  margin:0;
  position:relative;
}
.cta-inner{
  display:grid;
  grid-template-columns:1.2fr .7fr;
  gap:20px;
  align-items:center;
  background:
    linear-gradient(110deg,rgba(14,124,107,.93),rgba(8,65,59,.98)),
    url(/assets/images/backpic/back-1.png) center/cover no-repeat;
  padding:60px 70px;
  border-radius:28px;
  color:#fff;
  box-shadow:0 16px 40px rgba(11,46,42,.16);
  margin:0 0 80px;
}
.cta-banner h2{
  font-size:30px;
  line-height:1.35;
  margin-bottom:14px;
}
.cta-banner p{
  color:rgba(255,255,255,.85);
  font-size:15px;
  line-height:1.7;
}
.cta-banner-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:flex-end;
}
.cta-banner-actions .btn{
  background:#fff;
  color:var(--primary-dark);
  border-color:#fff;
}
.cta-banner-actions .btn:hover{
  background:var(--accent-light);
  border-color:var(--accent-light);
}
.cta-banner-actions .btn-accent{
  background:var(--accent);
  color:#fff;
  border-color:var(--accent);
}
.cta-banner-actions .btn-accent:hover{
  background:#fff;
  color:var(--primary-dark);
  border-color:#fff;
}

/* Footer */
.site-footer{
  background:var(--bg-deep);
  color:rgba(255,255,255,.78);
  margin-top:0;
  padding-top:64px;
  padding-bottom:28px;
  font-size:14px;
}
.site-footer a{
  color:rgba(255,255,255,.8);
  transition:var(--trans);
}
.site-footer a:hover{
  color:#fff;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1.4fr;
  gap:40px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand .brand-text{
  color:#fff;
}
.footer-brand .brand-text small{
  color:rgba(255,255,255,.5);
}
.footer-desc{
  font-size:14px;
  margin-top:16px;
  color:rgba(255,255,255,.6);
  max-width:320px;
}
.footer-col h4{
  color:#fff;
  font-size:16px;
  font-weight:600;
  margin-bottom:16px;
  letter-spacing:.05em;
}
.footer-links li{
  margin-bottom:9px;
}
.footer-links a{
  padding:4px 0;
  display:inline-block;
  padding-left:0;
  transition:var(--trans);
}
.footer-links a:hover{
  color:var(--accent);
  transform:translateX(3px);
}
.footer-contact li{
  margin-bottom:10px;
  display:flex;
  align-items:flex-start;
  gap:8px;
  color:rgba(255,255,255,.7);
}
.footer-social{
  display:flex;
  gap:10px;
  margin-top:18px;
}
.footer-social a{
  width:40px;
  height:40px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.16);
  display:flex;
  align-items:center;
  justify-content:center;
  color:rgba(255,255,255,.78);
  transition:var(--trans);
}
.footer-social a:hover{
  background:var(--primary);
  border-color:var(--primary);
  color:#fff;
  transform:translateY(-2px);
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:26px;
  color:rgba(255,255,255,.38);
  font-size:13px;
}
.footer-bottom .copyright{
  color:rgba(255,255,255,.55);
}
.footer-bottom > div{
  font-family:var(--font-tnum);
}

/* Responsive */
@media (max-width:1100px){
  .related-grid{
    grid-template-columns:repeat(3,1fr);
  }
}

@media (max-width:1023px){
  .nav-links{
    display:none;
    position:absolute;
    top:calc(100% + 8px);
    left:24px;
    right:24px;
    background:#fff;
    flex-direction:column;
    align-items:flex-start;
    gap:0;
    padding:12px 18px 26px;
    border-radius:18px;
    box-shadow:0 18px 40px rgba(11,46,42,.14);
    border:1px solid var(--border);
    z-index:90;
  }
  .nav-links.open{
    display:flex;
  }
  .nav-links > a{
    width:100%;
    padding:15px 2px;
    border-bottom:1px solid rgba(14,124,107,.08);
    font-size:16px;
  }
  .nav-links > a::after{display:none;}
  .nav-links > a:last-child{
    border-bottom:none;
  }
  .nav-links > a.nav-mobile-btn{
    display:flex;
    width:auto;
    margin-top:18px;
    align-self:stretch;
    text-align:center;
    justify-content:center;
  }
  .header-cta{
    display:none;
  }
  .nav-toggle{
    display:flex;
  }
  .cta-inner{
    grid-template-columns:1fr;
    padding:40px 34px;
  }
  .cta-banner-actions{
    justify-content:flex-start;
  }
}
@media (max-width:900px){
  .footer-grid{
    grid-template-columns:1fr 1fr;
    gap:40px;
  }
  .related-grid{
    grid-template-columns:1fr 1fr;
  }
  .post-panel{
    padding:42px 34px;
  }
}
@media (max-width:767px){
  .container,.grid-container{
    padding-left:18px;
    padding-right:18px;
  }
  .article-hero{
    padding-top:38px;
    padding-bottom:56px;
  }
  .article-title{
    font-size:29px;
  }
  .article-body-wrap{
    margin-top:-22px;
  }
  .post-panel{
    padding:26px 20px 34px;
    border-radius:16px;
  }
  .related-grid{
    grid-template-columns:1fr;
  }
  .section-head h2{
    font-size:25px;
  }
  .cta-inner{
    gap:18px;
    border-radius:18px;
    margin-bottom:48px;
  }
  .cta-banner h2{
    font-size:24px;
  }
  .footer-grid{
    grid-template-columns:1fr;
    gap:34px;
  }
  .topbar-inner{
    font-size:12px;
  }
  .topbar-link span{
    display:none;
  }
  .topbar-link i{
    font-size:15px;
  }
  .post-body h2{
    font-size:21px;
    padding-left:12px;
  }
  .hero-meta{
    gap:10px 14px;
  }
}
@media (max-width:480px){
  .nav-actions .header-cta{
    display:none;
  }
  .brand-text{
    font-size:18px;
  }
  .brand-mark{
    width:38px;
    height:38px;
    font-size:18px;
    border-radius:10px;
  }
  .nav-links .header-cta{
    display:none;
  }
  .nav-links > a.nav-mobile-btn{
    display:flex;
  }
  .btn{
    padding:0 18px;
  }
  .cta-inner{
    padding:34px 22px;
  }
  .related-card-body{
    padding:18px;
  }
}

/* roulang page: category1 */
:root {
  --primary: #0E7C6B;
  --primary-dark: #065F52;
  --primary-light: #E7F3EF;
  --accent: #F08C3A;
  --accent-light: #FEF0E2;
  --bg: #F7F9F8;
  --bg-deep: #0B2E2A;
  --text-main: #1F2925;
  --text-secondary: #5D6B66;
  --border: #E2EAE7;
  --card: #FFFFFF;
  --radius-card: 16px;
  --radius-btn: 8px;
  --shadow-card: 0 4px 24px rgba(14,124,107,0.06);
  --shadow-hover: 0 8px 32px rgba(14,124,107,0.12);
  --space-section: 96px;
  --font-main: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Segoe UI", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

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

img {
  max-width: 100%;
  display: inline-block;
  vertical-align: middle;
}

a {
  color: var(--primary-dark);
  text-decoration: none;
  transition: color .2s ease, background-color .2s ease;
}

a:not([class]) {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

button {
  font-family: inherit;
  border: 0;
  background: none;
  cursor: pointer;
}

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

.section {
  padding: var(--space-section) 0;
}

.section + .section {
  padding-top: 0;
}

.section-header {
  max-width: 720px;
  margin-bottom: 44px;
}

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

.section-kicker {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--primary);
  background: var(--primary-light);
  border-radius: 999px;
  padding: 6px 14px;
  margin-bottom: 16px;
}

.section-title {
  font-size: 32px;
  line-height: 1.3;
  color: var(--text-main);
  margin: 0 0 14px;
  letter-spacing: -0.01em;
}

.section-desc {
  font-size: 16px;
  color: var(--text-secondary);
  margin: 0;
}

h1, h2, h3 {
  color: var(--text-main);
  margin: 0;
}

h1 {
  line-height: 1.25;
}

h2 {
  font-size: 30px;
  line-height: 1.3;
}

h3 {
  font-size: 19px;
  line-height: 1.45;
  margin: 0 0 8px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 24px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  transition: background .25s ease, color .25s ease, transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  white-space: nowrap;
}

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

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

.btn-primary .arrow {
  transition: transform .2s ease;
}

.btn-primary:hover .arrow {
  transform: translateX(3px);
}

.btn-ghost {
  background: transparent;
  border: 1px solid rgba(255,255,255,.65);
  color: #fff;
}

.btn-ghost:hover,
.btn-ghost:focus {
  background: rgba(255,255,255,.14);
  border-color: #fff;
  color: #fff;
}

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

.btn-line:hover,
.btn-line:focus {
  background: var(--primary-light);
  color: var(--primary-dark);
  transform: translateY(-1px);
}

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

.btn-accent:hover,
.btn-accent:focus {
  background: #D97726;
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 10px 26px rgba(240,140,58,.28);
}

/* 顶部信息条 */
.site-topbar {
  background: var(--bg-deep);
  color: rgba(255,255,255,.86);
  font-size: 13px;
  min-height: 36px;
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 36px;
  gap: 16px;
}

.topbar-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.topbar-domain {
  color: rgba(255,255,255,.9);
  font-weight: 500;
  font-feature-settings: "tnum";
  letter-spacing: .02em;
}

.topbar-note {
  color: rgba(255,255,255,.6);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.topbar-cta {
  color: #fff;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.16);
  padding: 5px 13px;
  border-radius: 999px;
  font-size: 12px;
  flex-shrink: 0;
  transition: background .25s ease, color .25s ease;
}

.topbar-cta:hover,
.topbar-cta:focus {
  background: rgba(255,255,255,.18);
  color: #fff;
}

/* 主导航 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  min-height: 78px;
  gap: 24px;
}

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

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 13px;
  background: linear-gradient(145deg, var(--primary), var(--bg-deep));
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  box-shadow: 0 6px 14px rgba(14,124,107,.18);
}

.brand-text {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: .04em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
  margin-left: auto;
}

.nav-links > a:not(.btn) {
  position: relative;
  padding: 8px 0;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  line-height: 1.2;
}

.nav-links > a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 2px;
  height: 2px;
  border-radius: 99px;
  background: var(--primary);
  transition: right .25s ease;
}

.nav-links > a:not(.btn):hover,
.nav-links > a:not(.btn).active {
  color: var(--primary-dark);
}

.nav-links > a:not(.btn):hover::after,
.nav-links > a:not(.btn).active::after {
  right: 0;
}

.nav-mobile-btn {
  display: none;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  border-radius: 10px;
  background: var(--primary-light);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--primary-dark);
  border-radius: 2px;
}

/* Hero 首屏 */
.cat-hero {
  position: relative;
  padding: 96px 0 118px;
  color: #fff;
  background: linear-gradient(100deg, rgba(11,46,42,.94) 0%, rgba(11,46,42,.78) 48%, rgba(14,124,107,.58) 76%, rgba(240,140,58,.35) 100%), url(/assets/images/backpic/back-2.webp) center center / cover no-repeat;
}

.cat-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at 80% 20%, rgba(240,140,58,.18), transparent 34%);
}

.cat-hero .container {
  position: relative;
  z-index: 1;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  font-size: 13px;
  color: rgba(255,255,255,.66);
  margin-bottom: 24px;
}

.breadcrumb a {
  color: rgba(255,255,255,.88);
  transition: color .2s ease;
}

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

.breadcrumb span {
  opacity: .7;
}

.cat-hero-grid {
  display: grid;
  grid-template-columns: 1fr .92fr;
  gap: 52px;
  align-items: center;
}

.cat-hero-copy {
  max-width: 660px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 999px;
  color: #fff;
  font-size: 13px;
  margin-bottom: 24px;
}

.hero-eyebrow svg {
  width: 15px;
  height: 15px;
}

.cat-hero h1 {
  font-size: 44px;
  font-weight: 800;
  line-height: 1.28;
  color: #fff;
  margin-bottom: 20px;
}

.cat-hero h1 em {
  font-style: normal;
  color: #FCD8B8;
}

.hero-lead {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255,255,255,.92);
  margin: 0 0 34px;
  max-width: 560px;
}

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

.hero-list {
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
}

.hero-list li {
  display: flex;
  align-items: center;
  gap: 7px;
  color: rgba(255,255,255,.86);
  font-size: 14px;
}

.hero-list li svg {
  width: 18px;
  height: 18px;
  color: #FFD5A6;
}

.hero-media {
  position: relative;
}

.hero-media-inner {
  border-radius: 24px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 24px 60px rgba(0,0,0,.18);
  border: 6px solid rgba(255,255,255,.12);
}

.hero-media-inner img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  display: block;
}

.hero-media-caption {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  background: rgba(255,255,255,.96);
  color: var(--text-main);
  font-size: 14px;
  font-weight: 600;
}

.hero-media-caption svg {
  width: 18px;
  height: 18px;
  color: var(--primary);
}

/* 速览数据 */
.quick-stats {
  position: relative;
  z-index: 3;
  margin-top: -54px;
  margin-bottom: 0;
  padding: 0 24px;
}

.quick-card {
  background: #fff;
  border-radius: 18px;
  box-shadow: var(--shadow-hover);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid rgba(14,124,107,.08);
}

.quick-item {
  padding: 26px 28px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-left: 1px solid var(--border);
}

.quick-item:first-child {
  border-left: 0;
}

.quick-item strong {
  font-size: 28px;
  font-weight: 800;
  color: var(--primary-dark);
  font-feature-settings: "tnum";
  display: flex;
  align-items: baseline;
  gap: 5px;
}

.quick-item strong small {
  font-size: 14px;
  color: var(--accent);
}

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

/* 服务内容 bento 网格 */
.service-bento {
  padding: 96px 0 64px;
}

.bento-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 22px;
}

.bento-wide {
  grid-row: span 2;
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  min-height: 380px;
  background: var(--bg-deep);
  display: flex;
  align-items: flex-end;
}

.bento-wide img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.bento-wide::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(11,46,42,.14) 45%, rgba(11,46,42,.95) 92%);
}

.bento-wide-content {
  position: relative;
  z-index: 2;
  padding: 28px;
  color: #fff;
  width: 100%;
}

.bento-wide-content h3 {
  color: #fff;
  font-size: 22px;
  margin-bottom: 8px;
}

.bento-wide-content p {
  color: rgba(255,255,255,.9);
  font-size: 15px;
  max-width: 420px;
  margin: 0 0 10px;
}

.bento-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #FFE0C1;
  font-weight: 600;
  font-size: 14px;
  transition: gap .2s ease;
}

.bento-link:hover,
.bento-link:focus {
  color: #fff;
  gap: 10px;
}

.bento-card {
  background: #fff;
  border-radius: var(--radius-card);
  border: 1px solid rgba(14,124,107,.08);
  box-shadow: var(--shadow-card);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}

.bento-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(14,124,107,.14);
}

.bento-icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: var(--primary-light);
  color: var(--primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.bento-icon svg {
  width: 22px;
  height: 22px;
}

.bento-card p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
  margin: 0;
}

.bento-card-dark {
  background: linear-gradient(145deg, var(--bg-deep), #146355);
  border-color: var(--bg-deep);
  color: #fff;
}

.bento-card-dark h3 {
  color: #fff;
}

.bento-card-dark p {
  color: rgba(255,255,255,.86);
}

.bento-card-dark .bento-icon {
  background: rgba(255,255,255,.12);
  color: #A8D6CA;
}

.bento-card-accent {
  background: var(--accent-light);
  border-color: rgba(240,140,58,.24);
}

.bento-card-accent .bento-icon {
  background: #fff;
  color: var(--accent);
}

.bento-card-accent h3 {
  color: var(--text-main);
}

/* 适用场景 */
.scene-section {
  padding: 56px 0 var(--space-section);
}

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

.scene-card {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  min-height: 260px;
  display: flex;
  align-items: flex-end;
  padding: 24px;
  color: #fff;
  background: var(--bg-deep);
}

.scene-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(11,46,42,.1) 35%, rgba(11,46,42,.93) 100%);
  z-index: 1;
}

.scene-card img {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.scene-card-content h3 {
  color: #fff;
  font-size: 21px;
  margin-bottom: 6px;
}

.scene-card-content p {
  margin: 0;
  color: rgba(255,255,255,.92);
  font-size: 14px;
  line-height: 1.75;
}

.scene-feature {
  background: #fff;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border);
}

.scene-feature::before {
  background: none;
}

.scene-feature img {
  opacity: 0;
}

.scene-feature-inner {
  padding: 0 0 4px;
}

.scene-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.scene-icon svg {
  width: 22px;
  height: 22px;
}

.scene-feature h3 {
  color: var(--text-main);
  font-size: 19px;
}

.scene-feature p {
  color: var(--text-secondary);
  font-size: 14px;
}

.scene-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.tag-pill {
  background: var(--primary-light);
  color: var(--primary-dark);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  padding: 4px 12px;
}

/* 运营考虑部分 */
.consider-section {
  background: #fff;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.consider-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.consider-media {
  position: relative;
}

.consider-media img {
  border-radius: 20px;
  width: 100%;
  height: 400px;
  object-fit: cover;
  box-shadow: 0 20px 48px rgba(11,46,42,.14);
}

.consider-float {
  position: absolute;
  left: 22px;
  bottom: 22px;
  background: rgba(255,255,255,.96);
  border-radius: 14px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 10px 30px rgba(11,46,42,.18);
}

.consider-float strong {
  font-size: 22px;
  color: var(--primary-dark);
  font-feature-settings: "tnum";
  display: block;
  line-height: 1.2;
}

.consider-float small {
  color: var(--text-secondary);
  font-size: 13px;
}

.check-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.check-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  line-height: 1.7;
  color: var(--text-secondary);
  font-size: 15px;
}

.check-list svg {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  color: var(--primary);
  margin-top: 1px;
}

.check-list strong {
  color: var(--text-main);
  font-weight: 600;
}

/* 建站流程 */
.flow-section {
  padding: var(--space-section) 0;
}

.flow-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: flow;
  margin-top: 20px;
}

.flow-item {
  background: #fff;
  border-radius: var(--radius-card);
  padding: 28px 22px;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(14,124,107,.06);
  position: relative;
  transition: transform .24s ease, box-shadow .24s ease;
}

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

.flow-num {
  font-size: 34px;
  font-weight: 800;
  color: var(--primary-light);
  line-height: 1;
  margin-bottom: 12px;
  font-feature-settings: "tnum";
}

.flow-item h3 {
  font-size: 17px;
  margin-bottom: 10px;
}

.flow-item p {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.7;
}

/* 内部关联区块 */
.rel-section {
  padding: 0 0 var(--space-section);
}

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

.rel-card {
  border-radius: var(--radius-card);
  background: var(--primary-light);
  padding: 28px 26px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform .25s ease, box-shadow .25s ease;
  border: 1px solid transparent;
}

.rel-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(14,124,107,.16);
  background: #fff;
}

.rel-card h3 {
  font-size: 18px;
}

.rel-card p {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.7;
}

.rel-more {
  margin-top: 8px;
  color: var(--primary);
  font-weight: 600;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.rel-more svg {
  width: 16px;
  height: 16px;
  transition: transform .2s ease;
}

.rel-card:hover .rel-more svg {
  transform: translateX(3px);
}

/* FAQ */
.faq-section {
  background: #fff;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: var(--space-section) 0;
}

.faq-wrap {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: 16px;
  background: #fff;
  margin-bottom: 14px;
  transition: border-color .25s ease, box-shadow .25s ease;
}

.faq-item.is-open {
  border-color: rgba(14,124,107,.25);
  box-shadow: 0 6px 24px rgba(14,124,107,.08);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.5;
  text-align: left;
  border-radius: 16px;
  min-height: 56px;
}

.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--primary-light);
  position: relative;
  flex-shrink: 0;
  transition: background .3s ease;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  background: var(--primary-dark);
  border-radius: 2px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  transition: transform .3s ease;
}

.faq-icon::before {
  width: 10px;
  height: 2px;
}

.faq-icon::after {
  width: 2px;
  height: 10px;
}

.faq-item.is-open .faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
  opacity: 0;
}

.faq-item.is-open .faq-icon {
  background: var(--accent-light);
}

.faq-answer-wrap {
  overflow: hidden;
  max-height: 0;
  transition: max-height .32s ease, opacity .3s ease;
  opacity: 0;
}

.faq-item.is-open .faq-answer-wrap {
  max-height: 280px;
  opacity: 1;
}

.faq-answer {
  padding: 0 24px 22px;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.8;
}

/* CTA 横幅 */
.cta-band {
  position: relative;
  color: #fff;
  padding: var(--space-section) 0;
  background: linear-gradient(115deg, rgba(11,46,42,.96), rgba(14,124,107,.72)), url(/assets/images/backpic/back-1.png) center center / cover no-repeat;
}

.cta-box {
  max-width: 850px;
  margin: 0 auto;
  text-align: center;
}

.cta-box .section-kicker {
  background: rgba(255,255,255,.12);
  color: #A8D6CA;
}

.cta-box h2 {
  color: #fff;
  font-size: 34px;
  line-height: 1.35;
  margin: 16px 0 16px;
}

.cta-box p {
  color: rgba(255,255,255,.9);
  font-size: 16px;
  max-width: 620px;
  margin: 0 auto 32px;
}

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

/* 页脚 */
.site-footer {
  background: var(--bg-deep);
  color: #fff;
  padding: 74px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr .9fr .8fr 1.1fr;
  gap: 48px;
  padding-bottom: 48px;
}

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

.footer-brand .brand-mark {
  background: rgba(255,255,255,.1);
  color: #fff;
  border: 1px solid rgba(255,255,255,.1);
}

.footer-desc {
  color: rgba(255,255,255,.68);
  font-size: 14px;
  line-height: 1.8;
  max-width: 320px;
  margin: 22px 0 0;
}

.footer-col h4 {
  color: #fff;
  font-size: 15px;
  margin: 6px 0 20px;
  letter-spacing: .02em;
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.footer-links a {
  color: rgba(255,255,255,.68);
  font-size: 14px;
  transition: color .2s ease;
}

.footer-links a:hover,
.footer-links a:focus {
  color: #fff;
}

.footer-contact {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  color: rgba(255,255,255,.68);
  font-size: 14px;
  line-height: 1.7;
}

.footer-contact a {
  color: #A8D6CA;
}

.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,.08);
  color: rgba(255,255,255,.7);
  transition: background .2s ease, color .2s ease;
}

.footer-social a:hover,
.footer-social a:focus {
  background: var(--primary);
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12);
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  color: rgba(255,255,255,.55);
  font-size: 13px;
}

/* 焦点与通用状态 */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

img:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* 平板与移动端 */
@media (max-width: 1023px) {
  .cat-hero {
    padding: 76px 0 90px;
  }

  .cat-hero-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .hero-media {
    max-width: 540px;
  }

  .nav-links {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    background: #fff;
    box-shadow: 0 20px 32px rgba(11,46,42,.14);
    border-top: 1px solid var(--border);
    padding: 18px 24px 28px;
    margin-left: 0;
    z-index: 90;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity .28s ease, transform .28s ease, visibility .28s ease;
  }

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

  .nav-links > a:not(.btn) {
    padding: 13px 0;
    font-size: 17px;
    border-bottom: 1px solid var(--border);
  }

  .nav-links > a:not(.btn)::after {
    display: none;
  }

  .nav-mobile-btn {
    display: inline-flex;
    margin-top: 22px;
    width: 100%;
  }

  .header-cta {
    display: none;
  }

  .nav-actions {
    margin-left: auto;
  }

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

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

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

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

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }

  .consider-grid {
    gap: 32px;
  }
}

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

  .site-topbar {
    min-height: 40px;
  }

  .topbar-inner {
    min-height: 40px;
  }

  .topbar-note {
    display: none;
  }

  .section {
    padding: 56px 0;
  }

  .section-title {
    font-size: 27px;
  }

  .cat-hero {
    padding: 62px 0 76px;
  }

  .cat-hero h1 {
    font-size: 32px;
  }

  .hero-lead {
    font-size: 16px;
  }

  .hero-list {
    flex-direction: column;
  }

  .hero-media-inner img {
    height: 250px;
  }

  .quick-stats {
    margin-top: -30px;
    padding: 0 16px;
  }

  .quick-card {
    grid-template-columns: repeat(2, 1fr);
    border-radius: 14px;
  }

  .quick-item {
    padding: 20px 16px;
    border-left: 0;
    border-bottom: 1px solid var(--border);
  }

  .quick-item:nth-child(even) {
    border-left: 1px solid var(--border);
  }

  .quick-item:nth-child(3),
  .quick-item:nth-child(4) {
    border-bottom: 0;
  }

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

  .bento-wide {
    grid-row: auto;
    min-height: 320px;
  }

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

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

  .consider-media img {
    height: 280px;
  }

  .flow-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

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

  .cta-box h2 {
    font-size: 27px;
  }

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

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

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

@media (max-width: 520px) {
  .footer-bottom {
    flex-direction: column;
    align-items: center;
  }

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

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

  .faq-question {
    padding: 18px 16px;
    font-size: 15px;
  }

  .faq-answer {
    padding: 0 18px 20px;
  }

  .quick-item span {
    font-size: 13px;
  }

  .quick-item strong {
    font-size: 23px;
  }
}

/* roulang page: category2 */
:root{
  --primary:#0E7C6B;
  --primary-hover:#065F52;
  --primary-light:#E7F3EF;
  --accent:#F08C3A;
  --accent-light:#FEF0E2;
  --bg:#F7F9F8;
  --bg-deep:#0B2E2A;
  --text-main:#1F2925;
  --text-secondary:#5D6B66;
  --border:#E2EAE7;
  --white:#FFFFFF;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:8px;
  --shadow-card:0 4px 24px rgba(14,124,107,0.06);
  --shadow-card-hover:0 8px 32px rgba(14,124,107,0.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text-main);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{
  color:var(--primary);
  text-decoration:none;
  transition:color .25s ease, background .25s ease, border-color .25s ease, box-shadow .25s ease;
}
a:hover,a:focus{color:var(--primary-hover)}
button{font-family:inherit}
.container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px}

/* ===== Topbar ===== */
.topbar{
  background:var(--bg-deep);
  color:rgba(255,255,255,.76);
  font-size:13px;
}
.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:36px;
}
.topbar a{
  color:#d7e6e1;
  border-bottom:1px solid transparent;
}
.topbar a:hover{color:#fff;border-bottom-color:rgba(255,255,255,.5)}
.topbar-domain{font-feature-settings:"tnum";letter-spacing:.02em;}
.topbar-action{font-size:13px;display:inline-flex;align-items:center;gap:6px;padding:4px 0;}

/* ===== Header ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
  box-shadow:0 6px 20px rgba(11,46,42,.04);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:76px;
  gap:24px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  white-space:nowrap;
}
.brand-mark{
  width:40px;
  height:40px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:var(--primary-light);
  color:var(--primary);
  font-weight:700;
  font-size:20px;
  border-radius:12px;
  box-shadow:inset 0 0 0 1px rgba(14,124,107,.08);
}
.brand-text{
  font-size:22px;
  font-weight:700;
  color:var(--text-main);
  letter-spacing:.01em;
  line-height:1.2;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:30px;
}
.nav-links a{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--text-main);
  padding:24px 0 22px;
  display:inline-flex;
  align-items:center;
  min-height:76px;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;
  right:100%;
  bottom:14px;
  height:2px;
  border-radius:2px;
  background:var(--primary);
  transition:right .3s ease;
}
.nav-links a:hover{color:var(--primary)}
.nav-links a:hover::after{right:0}
.nav-links a.active{color:var(--primary)}
.nav-links a.active::after{right:0}
.nav-actions{
  display:flex;
  align-items:center;
  gap:16px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--radius-sm);
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  padding:12px 22px;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .25s ease,color .25s ease,transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  min-height:44px;
  text-align:center;
}
.btn-primary{
  background:var(--primary);
  color:#fff;
  box-shadow:0 6px 16px rgba(14,124,107,.18);
}
.btn-primary:hover{
  background:var(--primary-hover);
  color:#fff;
  box-shadow:0 8px 22px rgba(14,124,107,.24);
  transform:translateY(-2px);
}
.btn-arrow{display:inline-block;transition:transform .25s ease}
.btn-primary:hover .btn-arrow{transform:translateX(3px)}
.btn-outline{
  border-color:var(--primary);
  color:var(--primary);
  background:rgba(255,255,255,.88);
}
.btn-outline:hover{
  border-color:var(--primary);
  background:var(--primary-light);
  color:var(--primary-hover);
  transform:translateY(-2px);
}
.btn-light{
  background:#fff;
  color:var(--bg-deep);
}
.btn-light:hover{background:var(--primary-light);color:var(--primary-hover)}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border:1px solid var(--border);
  background:var(--white);
  border-radius:10px;
  padding:10px;
  cursor:pointer;
  justify-content:center;
  align-items:center;
  flex-direction:column;
  gap:5px;
}
.nav-toggle span{
  width:20px;
  height:2px;
  border-radius:2px;
  background:var(--text-main);
  transition:transform .3s ease,opacity .3s ease;
}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-mobile-btn{display:none}

/* ===== Hero ===== */
.hero{
  position:relative;
  color:#fff;
  background:
    linear-gradient(115deg,rgba(11,46,42,.92) 0%,rgba(14,124,107,.78) 100%),
    url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
  overflow:hidden;
  padding:96px 0 80px;
}
.hero::after{
  content:"";
  position:absolute;
  width:420px;
  height:420px;
  right:-120px;
  top:-160px;
  background:radial-gradient(circle,rgba(255,255,255,.12) 0%,rgba(255,255,255,0) 68%);
  pointer-events:none;
}
.hero .container{position:relative;z-index:2}
.breadcrumb-line{
  color:rgba(255,255,255,.72);
  font-size:13px;
  margin-bottom:18px;
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  align-items:center;
}
.breadcrumb-line a{color:rgba(255,255,255,.85)}
.breadcrumb-line a:hover{color:#fff}
.breadcrumb-line .sep{opacity:.55}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);
  gap:64px;
  align-items:center;
}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.22);
  padding:6px 14px;
  border-radius:100px;
  font-size:13px;
  font-weight:500;
  color:rgba(255,255,255,.95);
  margin-bottom:22px;
}
.hero h1{
  font-size:46px;
  line-height:1.24;
  font-weight:700;
  margin:0 0 20px;
  letter-spacing:.01em;
  color:#fff;
}
.hero-sub{
  font-size:18px;
  line-height:1.8;
  max-width:560px;
  color:rgba(255,255,255,.9);
  margin:0 0 32px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:16px;
}
.hero-note-link{
  color:rgba(255,255,255,.85);
  font-weight:500;
  font-size:15px;
  border-bottom:1px solid rgba(255,255,255,.4);
  padding-bottom:2px;
}
.hero-note-link:hover{color:#fff;border-bottom-color:#fff}
.hero-visual{
  position:relative;
}
.hero-visual-main{
  border-radius:24px;
  overflow:hidden;
  box-shadow:0 22px 60px rgba(0,0,0,.22);
  border:1px solid rgba(255,255,255,.16);
  background:#fff;
}
.hero-visual-main img{
  width:100%;
  height:330px;
  object-fit:cover;
}
.hero-float-card{
  position:absolute;
  background:rgba(255,255,255,.96);
  color:var(--text-main);
  border-radius:14px;
  box-shadow:0 12px 30px rgba(11,46,42,.16);
  padding:12px 16px;
  font-size:13px;
  display:flex;
  align-items:center;
  gap:10px;
  backdrop-filter:blur(8px);
}
.float-1{
  left:-24px;
  bottom:42px;
}
.float-2{
  right:-18px;
  top:46px;
}
.hero-float-icon{
  width:34px;
  height:34px;
  flex:0 0 34px;
  border-radius:10px;
  background:var(--primary-light);
  color:var(--primary);
  display:inline-flex;
  align-items:center;
  justify-content:center;
}
.hero-float-text strong{
  display:block;
  color:var(--text-main);
  font-size:14px;
  line-height:1.3;
}
.hero-float-text span{
  color:var(--text-secondary);
  font-size:12px;
  line-height:1.4;
}

/* ===== Section ===== */
.section{padding:96px 0}
.section-alt{background:var(--white)}
.section-tight{padding-top:0}
.section-head{
  max-width:780px;
  margin-bottom:48px;
}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow-label{
  display:inline-block;
  background:var(--primary-light);
  color:var(--primary);
  font-size:13px;
  font-weight:600;
  border-radius:100px;
  padding:5px 14px;
  margin-bottom:14px;
}
.section-head h2{
  font-size:32px;
  line-height:1.3;
  margin:0;
  color:var(--text-main);
  font-weight:700;
  letter-spacing:.01em;
}
.section-head p{
  font-size:16px;
  color:var(--text-secondary);
  margin:14px 0 0;
}
.section-lead{
  font-size:16px;
  color:var(--text-secondary);
  margin:18px 0 0;
  max-width:740px;
}

/* ===== Resource cards ===== */
.resource-intro{
  font-size:16px;
  color:var(--text-secondary);
  max-width:820px;
  margin:16px 0 0;
}
.resource-card{
  background:var(--white);
  border:1px solid rgba(226,234,231,.7);
  border-radius:var(--radius-lg);
  padding:28px 24px;
  box-shadow:var(--shadow-card);
  height:100%;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
  display:flex;
  flex-direction:column;
}
.resource-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-card-hover);
  border-color:rgba(14,124,107,.22);
}
.resource-icon{
  width:48px;
  height:48px;
  border-radius:14px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:var(--primary-light);
  color:var(--primary);
  margin-bottom:18px;
}
.resource-card h3{
  font-size:20px;
  line-height:1.4;
  margin:0 0 10px;
  color:var(--text-main);
  font-weight:700;
}
.resource-card p{
  font-size:14.5px;
  line-height:1.8;
  color:var(--text-secondary);
  margin:0;
}
.resource-card-link{
  margin-top:auto;
  padding-top:16px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
}
.resource-card a.resource-card-link{color:var(--primary)}
.resource-card a.resource-card-link:hover .btn-arrow{transform:translateX(3px)}

/* ===== Split block ===== */
.split-block{
  background:var(--white);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
  overflow:hidden;
}
.split-inner{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:64px;
  align-items:center;
  padding:96px 0;
}
.split-media img{
  width:100%;
  max-height:440px;
  object-fit:cover;
  border-radius:24px;
  box-shadow:0 24px 50px rgba(11,46,42,.14);
}
.split-copy h2{
  font-size:30px;
  line-height:1.35;
  color:var(--text-main);
  margin:0 0 18px;
}
.split-copy > p{
  font-size:15.5px;
  color:var(--text-secondary);
  margin:0 0 26px;
}
.split-points{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:16px;
}
.split-points li{
  position:relative;
  padding-left:34px;
  font-size:15px;
  color:var(--text-main);
  line-height:1.7;
}
.split-points li::before{
  content:"";
  position:absolute;
  left:0;
  top:5px;
  width:20px;
  height:20px;
  border-radius:50%;
  background:var(--primary-light);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:12px;
  color:var(--primary);
}
.split-points li strong{
  display:block;
  color:var(--text-main);
  font-weight:600;
}
.split-points li span{
  color:var(--text-secondary);
  font-size:14px;
  line-height:1.7;
}
.detail-list{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.detail-list li{
  display:flex;
  align-items:flex-start;
  gap:12px;
  font-size:15px;
  color:var(--text-main);
}
.detail-list li svg{flex:0 0 20px;margin-top:3px;color:var(--primary)}

/* ===== Data / monitor band ===== */
.data-band{
  background:var(--bg-deep);
  padding:90px 0;
  color:rgba(255,255,255,.88);
}
.data-band .eyebrow-label{
  background:rgba(255,255,255,.1);
  color:#A8DBD1;
}
.data-band h2{
  font-size:31px;
  line-height:1.35;
  margin:0;
  color:#fff;
}
.data-band-txt{color:rgba(255,255,255,.75);font-size:15.5px}
.data-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
  margin-top:48px;
}
.data-item{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius-lg);
  padding:28px 24px;
  display:flex;
  gap:18px;
  align-items:flex-start;
  transition:border-color .3s ease,transform .3s ease,background .3s ease;
}
.data-item:hover{
  background:rgba(255,255,255,.07);
  border-color:rgba(255,255,255,.16);
  transform:translateY(-3px);
}
.data-icon{
  width:46px;
  height:46px;
  flex:0 0 46px;
  border-radius:14px;
  background:rgba(14,124,107,.3);
  color:#7DCFC2;
  display:flex;
  align-items:center;
  justify-content:center;
}
.data-item h3{
  font-size:17px;
  font-weight:600;
  margin:0 0 6px;
  color:#fff;
}
.data-item p{
  font-size:14px;
  line-height:1.75;
  margin:0;
  color:rgba(255,255,255,.72);
}

/* ===== Steps ===== */
.steps-wrap{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
  margin-top:44px;
}
.step-card{
  background:var(--white);
  border-radius:var(--radius-lg);
  padding:28px 24px;
  border:1px solid var(--border);
  box-shadow:var(--shadow-card);
  position:relative;
  height:100%;
  transition:transform .3s ease,box-shadow .3s ease;
}
.step-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-card-hover);
}
.step-num{
  font-size:14px;
  font-weight:700;
  color:var(--primary);
  background:var(--primary-light);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:36px;
  height:36px;
  border-radius:50% 50% 50% 8px;
  margin-bottom:18px;
  font-feature-settings:"tnum";
}
.step-card h3{
  font-size:18px;
  margin:0 0 10px;
  font-weight:700;
  color:var(--text-main);
}
.step-card p{
  font-size:14px;
  color:var(--text-secondary);
  margin:0;
  line-height:1.8;
}

/* ===== FAQ ===== */
.faq-list{
  max-width:900px;
  margin:0 auto 24px;
  display:grid;
  gap:16px;
}
.faq-item{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
  transition:border-color .3s ease,box-shadow .3s ease;
}
.faq-item.open{
  border-color:rgba(14,124,107,.24);
  box-shadow:0 8px 28px rgba(14,124,107,.08);
}
.faq-question{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  background:transparent;
  border:none;
  padding:20px 24px;
  font-size:16px;
  font-weight:600;
  color:var(--text-main);
  text-align:left;
  cursor:pointer;
  border-radius:var(--radius-lg);
  min-height:60px;
}
.faq-question:hover{color:var(--primary)}
.faq-icon{
  position:relative;
  flex:0 0 22px;
  width:22px;
  height:22px;
  transition:transform .3s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--primary);
  border-radius:2px;
  transition:background .2s ease;
}
.faq-icon::before{left:3px;right:3px;top:10px;height:2px}
.faq-icon::after{top:3px;bottom:3px;left:10px;width:2px}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-answer{
  max-height:0;
  overflow:hidden;
  transition:max-height .4s ease;
}
.faq-answer-inner{
  padding:0 24px 22px;
  font-size:15px;
  line-height:1.9;
  color:var(--text-secondary);
}
.faq-answer p{margin:0 0 10px}
.faq-answer p:last-child{margin-bottom:0}
.faq-more{
  text-align:center;
  font-size:15px;
  color:var(--text-secondary);
  margin-top:6px;
}

/* ===== CTA band ===== */
.cta-band{
  padding:0 0 96px;
  background:var(--bg);
}
.cta-inner{
  background:linear-gradient(120deg,var(--bg-deep),#0A5C50 58%,var(--primary));
  border-radius:24px;
  padding:64px 60px;
  color:#fff;
  position:relative;
  overflow:hidden;
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:44px;
  align-items:center;
  box-shadow:0 24px 60px rgba(11,46,42,.18);
}
.cta-inner::after{
  content:"";
  position:absolute;
  width:260px;
  height:260px;
  right:-60px;
  bottom:-100px;
  background:radial-gradient(circle,rgba(255,255,255,.14),rgba(255,255,255,0) 70%);
  pointer-events:none;
}
.cta-inner h2{
  font-size:30px;
  margin:0 0 14px;
  color:#fff;
  line-height:1.3;
}
.cta-inner p{
  font-size:16px;
  margin:0;
  color:rgba(255,255,255,.85);
  max-width:560px;
}
.cta-actions{
  display:flex;
  justify-content:flex-end;
  gap:16px;
  flex-wrap:wrap;
  position:relative;
  z-index:2;
}

/* ===== Related links ===== */
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  margin-top:36px;
}
.related-card{
  background:var(--white);
  border-radius:var(--radius-lg);
  border:1px solid var(--border);
  box-shadow:var(--shadow-card);
  padding:24px;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
  display:block;
  height:100%;
}
.related-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-card-hover);
  border-color:rgba(14,124,107,.2);
  text-decoration:none;
}
.related-card h3{
  font-size:18px;
  font-weight:700;
  color:var(--text-main);
  margin:0 0 8px;
}
.related-card:hover h3{color:var(--primary)}
.related-card p{
  font-size:14px;
  color:var(--text-secondary);
  margin:0 0 12px;
  line-height:1.8;
}
.related-link{
  color:var(--primary);
  font-size:14px;
  font-weight:600;
  display:inline-flex;
  align-items:center;
  gap:6px;
}

/* ===== Footer ===== */
.site-footer{
  background:var(--bg-deep);
  color:rgba(255,255,255,.76);
  padding-top:72px; 
  font-size:14px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr .9fr 1fr 1.2fr;
  gap:44px;
  padding-bottom:40px;
}
.site-footer .brand .brand-text{color:#fff}
.site-footer .brand-mark{
  background:rgba(255,255,255,.1);
  color:#A8DBD1;
}
.footer-desc{
  font-size:14px;
  color:rgba(255,255,255,.64);
  margin:18px 0 0;
  max-width:340px;
  line-height:1.85;
}
.footer-col h4{
  font-size:15px;
  font-weight:600;
  color:#fff;
  margin:0 0 18px;
  letter-spacing:.02em;
}
.footer-links,.footer-social,.footer-contact{
  list-style:none;
  margin:0;
  padding:0;
}
.footer-links{
  display:grid;
  gap:11px;
}
.footer-links a{
  color:rgba(255,255,255,.7);
  display:inline-flex;
  padding:2px 0;
}
.footer-links a:hover{color:#fff}
.footer-contact{
  display:grid;
  gap:10px;
  color:rgba(255,255,255,.66);
}
.footer-contact a{color:rgba(255,255,255,.82)}
.footer-contact a:hover{color:#fff}
.footer-social{
  display:flex;
  gap:12px;
  margin-top:18px;
}
.footer-social a{
  width:42px;
  height:42px;
  border-radius:10px;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.08);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:rgba(255,255,255,.75);
  transition:background .3s ease,color .3s ease,transform .3s ease;
}
.footer-social a:hover{
  background:var(--primary);
  color:#fff;
  transform:translateY(-2px);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  padding:22px 0 26px;
  font-size:13px;
  color:rgba(255,255,255,.52);
  font-feature-settings:"tnum";
}
.copyright{color:rgba(255,255,255,.56);font-feature-settings:"normal"}

/* ===== Focus ===== */
a:focus-visible,
button:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
  border-radius:6px;
}

/* ===== Responsive ===== */
@media (max-width: 1024px){
  .nav-links{
    gap:18px;
  }
  .brand-text{font-size:20px}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-video-wrap{max-width:600px}
  .float-1{left:-4px}
  .float-2{right:-4px}
  .step-wrap{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .cta-inner{grid-template-columns:1fr;padding:44px 36px}
  .cta-actions{justify-content:flex-start}
  .split-inner{grid-template-columns:1fr;gap:40px;padding:64px 0}
  .data-grid{grid-template-columns:1fr;gap:18px}
  .related-grid{grid-template-columns:1fr 1fr}
  .grid-container{padding-left:16px;padding-right:16px}
  .container{padding-left:16px;padding-right:16px}
}
@media (max-width: 767px){
  .topbar-action span{display:none}
  .topbar-inner{justify-content:center}
  .topbar-domain{display:none}
  .nav-links{
    position:absolute;
    top:100%;
    left:0;
    width:100%;
    background:#fff;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    max-height:0;
    overflow:hidden;
    opacity:0;
    transition:max-height .35s ease,opacity .25s ease,margin .25s;
    margin:0;
    box-shadow:0 18px 30px rgba(11,46,42,.08);
    border-radius:0 0 16px 16px;
    padding:0 16px;
  }
  .nav-links.open{
    max-height:500px;
    opacity:1;
    padding:8px 16px 16px;
  }
  .nav-links a{
    display:flex;
    width:100%;
    min-height:48px;
    padding:8px 0;
    font-weight:600;
    border-bottom:1px solid var(--border);
    align-items:center;
    justify-content:space-between;
  }
  .nav-links a:last-child{border-bottom:none}
  .nav-links a::after{display:none}
  .nav-links a:hover{
    color:var(--primary);
    background:var(--primary-light);
    padding-left:8px;
  }
  .nav-links a.active{
    color:var(--primary);
    background:var(--primary-light);
    padding-left:8px;
  }
  .nav-actions .header-cta{display:none}
  .nav-toggle{display:inline-flex}
  .nav-mobile-btn{
    display:inline-flex;
    margin-top:12px;
    width:100%;
  }
  .nav-mobile-link{display:none!important}
  .nav-cta{display:none!important}
  .hero{padding:72px 0}
  .hero h1{font-size:32px;line-height:1.32}
  .hero-sub{font-size:16px}
  .section{padding:64px 0}
  .section-head h2,.data-band h2{font-size:26px}
  .step-card{padding:22px 20px}
  .cta-inner{padding:36px 22px}
  .cta-inner h2{font-size:26px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{justify-content:center;text-align:center}
  .related-grid{grid-template-columns:1fr}
  .data-item{padding:22px 18px}
  .resource-card{padding:22px 20px}
  .grid-x .cell{padding-left:12px;padding-right:12px}
  .grid-container{padding-left:16px;padding-right:16px}
  .split-copy h2{font-size:25px}
}

/* roulang page: category3 */
:root {
            --primary: #0E7C6B;
            --primary-dark: #065F52;
            --primary-light: #E7F3EF;
            --accent: #F08C3A;
            --accent-light: #FEF0E2;
            --bg: #F7F9F8;
            --bg-deep: #0B2E2A;
            --surface: #FFFFFF;
            --text-main: #1F2925;
            --text-secondary: #5D6B66;
            --border: #E2EAE7;
            --radius: 16px;
            --radius-sm: 8px;
            --shadow-sm: 0 4px 24px rgba(14, 124, 107, 0.06);
            --shadow-md: 0 8px 32px rgba(14, 124, 107, 0.12);
            --container: 1200px;
            --space-section: 96px;
            --space-card: 24px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            color-scheme: light;
        }
        body {
            margin: 0;
            font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            background-color: var(--bg);
            color: var(--text-main);
            text-rendering: optimizeLegibility;
            -webkit-font-smoothing: antialiased;
        }
        body.mobile-menu-open {
            overflow: hidden;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        ul,
        ol,
        figure,
        blockquote,
        p {
            margin: 0;
        }
        button,
        input,
        select,
        textarea {
            font: inherit;
        }
        button {
            border: none;
            cursor: pointer;
        }
        :focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            border-radius: 4px;
        }
        ::selection {
            background: rgba(240, 140, 58, 0.25);
            color: var(--text-main);
        }
        .container {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: saturate(160%) blur(12px);
            -webkit-backdrop-filter: saturate(160%) blur(12px);
            border-bottom: 1px solid var(--border);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 76px;
            gap: 16px;
        }
        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            font-weight: 700;
            font-size: 20px;
            letter-spacing: 0.02em;
            color: var(--text-main);
            line-height: 1.2;
        }
        .brand-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
            font-size: 19px;
            font-weight: 800;
            box-shadow: 0 6px 16px rgba(14, 124, 107, 0.22);
            transition: transform 0.22s ease, box-shadow 0.22s ease;
        }
        .brand:hover .brand-mark {
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(14, 124, 107, 0.28);
        }
        .brand-text {
            white-space: nowrap;
        }
        .nav-links {
            display: flex;
            align-items: center;
            justify-content: flex-end;
            gap: 4px;
        }
        .nav-links > a:not(.btn) {
            position: relative;
            display: inline-flex;
            align-items: center;
            min-height: 44px;
            padding: 0 14px;
            border-radius: 8px;
            color: var(--text-secondary);
            font-size: 15px;
            font-weight: 500;
            text-decoration: none;
            transition: color 0.22s ease, background-color 0.22s ease;
        }
        .nav-links > a:not(.btn):hover {
            color: var(--primary);
            background-color: var(--primary-light);
        }
        .nav-links > a:not(.btn).active {
            color: var(--primary);
            background-color: var(--primary-light);
            font-weight: 600;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .nav-mobile-btn {
            display: none;
        }
        .header-cta {
            display: inline-flex;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            width: 44px;
            height: 44px;
            border-radius: 8px;
            background: transparent;
            border: 1px solid var(--border);
            gap: 5px;
            transition: background-color 0.2s ease;
        }
        .nav-toggle:hover {
            background-color: var(--primary-light);
        }
        .nav-toggle span {
            display: block;
            width: 18px;
            height: 2px;
            border-radius: 2px;
            background: var(--text-main);
            transition: transform 0.25s ease, opacity 0.25s ease;
        }
        html.nav-open .nav-toggle span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        html.nav-open .nav-toggle span:nth-child(2) {
            opacity: 0;
        }
        html.nav-open .nav-toggle span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .main {
            overflow: hidden;
        }
        .section {
            padding-top: var(--space-section);
            padding-bottom: var(--space-section);
        }
        .section-bg {
            background: var(--surface);
        }
        .section-head {
            max-width: 760px;
            margin: 0 auto 56px;
            text-align: center;
        }
        .section-head h2,
        .rich-title h2 {
            margin: 16px 0 12px;
            font-size: clamp(28px, 4vw, 36px);
            line-height: 1.3;
            letter-spacing: 0.02em;
            color: var(--text-main);
            font-weight: 700;
        }
        .section-head p,
        .rich-title p {
            color: var(--text-secondary);
            font-size: 16px;
        }
        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 5px 14px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            line-height: 1.4;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 44px;
            padding: 0 22px;
            border-radius: 8px;
            border: 1px solid transparent;
            font-family: inherit;
            font-weight: 600;
            font-size: 15px;
            line-height: 1;
            color: var(--text-main);
            background: transparent;
            transition: transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
            text-decoration: none;
        }
        .btn svg {
            transition: transform 0.2s ease;
        }
        .btn:hover svg {
            transform: translateX(3px);
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 6px 18px rgba(14, 124, 107, 0.16);
        }
        .btn-primary:hover,
        .btn-primary:active {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 10px 26px rgba(14, 124, 107, 0.22);
        }
        .btn-secondary {
            background: #fff;
            border-color: var(--primary);
            color: var(--primary);
        }
        .btn-secondary:hover {
            background: var(--primary-light);
            border-color: transparent;
            color: var(--primary-dark);
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 6px 18px rgba(240, 140, 58, 0.2);
        }
        .btn-accent:hover {
            background: #D97B28;
            color: #fff;
            transform: translateY(-1px);
        }
        .btn-white {
            background: #fff;
            color: var(--bg-deep);
            box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
        }
        .btn-white:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            transform: translateY(-1px);
        }
        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 600;
        }
        .text-link:hover {
            color: var(--primary-dark);
        }
        .hero {
            position: relative;
            background:
                linear-gradient(105deg, rgba(247, 251, 250, 0.98) 0%, rgba(231, 243, 239, 0.94) 48%, rgba(14, 124, 107, 0.24) 100%),
                url('/assets/images/backpic/back-2.webp') center top / cover no-repeat;
            padding: 112px 0 96px;
        }
        .hero-inner {
            display: grid;
            grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
            gap: 56px;
            align-items: center;
        }
        .hero h1 {
            font-size: clamp(34px, 4.5vw, 48px);
            line-height: 1.2;
            letter-spacing: 0.02em;
            margin: 0 0 22px;
            color: var(--text-main);
            font-weight: 800;
        }
        .hero h1 .highlight {
            color: var(--primary);
            position: relative;
            white-space: nowrap;
        }
        .hero-copy .lead {
            max-width: 560px;
            font-size: 17px;
            line-height: 1.9;
            color: var(--text-secondary);
            margin: 0 0 30px;
        }
        .hero-btns {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 14px;
        }
        .hero-trusted {
            display: flex;
            flex-wrap: wrap;
            gap: 14px 24px;
            margin-top: 38px;
            color: var(--text-secondary);
            font-size: 14px;
        }
        .hero-trusted span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .hero-trusted i {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            font-style: normal;
            font-size: 12px;
            font-weight: 700;
        }
        .hero-visual {
            position: relative;
        }
        .hero-card {
            position: relative;
            background: #fff;
            border-radius: 22px;
            box-shadow: 0 16px 48px rgba(14, 124, 107, 0.14);
            border: 1px solid rgba(14, 124, 107, 0.08);
            overflow: hidden;
            padding: 12px;
        }
        .hero-card > img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            border-radius: 16px;
        }
        .hero-card-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            padding: 16px 8px 6px;
        }
        .hero-card-item {
            flex: 1;
            text-align: center;
        }
        .hero-card-item strong {
            display: block;
            color: var(--primary);
            font-size: 18px;
            line-height: 1.3;
        }
        .hero-card-item span {
            font-size: 13px;
            color: var(--text-secondary);
        }
        .hero-float-card {
            position: absolute;
            left: -20px;
            bottom: 22px;
            background: rgba(255, 255, 255, 0.96);
            border-radius: 14px;
            padding: 10px 18px;
            box-shadow: 0 10px 28px rgba(14, 124, 107, 0.14);
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
        }
        .hero-float-card svg {
            vertical-align: -4px;
            color: var(--accent);
            margin-right: 8px;
        }
        .trust-band {
            background: var(--bg-deep);
            padding: 30px 0;
        }
        .trust-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
            align-items: center;
        }
        .trust-item {
            display: flex;
            align-items: center;
            gap: 16px;
            color: #e8f4f0;
        }
        .trust-number {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            font-feature-settings: "tnum";
            line-height: 1.1;
            display: block;
        }
        .trust-number em {
            font-style: normal;
            font-size: 16px;
            color: var(--accent);
            font-weight: 600;
            margin-left: 4px;
        }
        .trust-label {
            font-size: 14px;
            line-height: 1.6;
            color: rgba(255, 255, 255, 0.78);
        }
        .ops-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .ops-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            transition: transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease;
            height: 100%;
        }
        .ops-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: rgba(14, 124, 107, 0.2);
        }
        .ops-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: var(--primary-light);
            color: var(--primary);
            margin-bottom: 20px;
        }
        .ops-card:nth-child(2) .ops-icon {
            background: var(--accent-light);
            color: var(--accent);
        }
        .ops-card:nth-child(3) .ops-icon {
            background: #EAF1F8;
            color: #4D7594;
        }
        .ops-card:nth-child(4) .ops-icon {
            background: #F3F0E9;
            color: #A2773E;
        }
        .ops-card h3 {
            font-size: 18px;
            line-height: 1.45;
            margin: 0 0 8px;
            color: var(--text-main);
            font-weight: 700;
        }
        .ops-card p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-secondary);
        }
        .story {
            background: var(--surface);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .story-grid {
            display: grid;
            grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.05fr);
            gap: 60px;
            align-items: center;
        }
        .story-visual {
            position: relative;
        }
        .story-visual img {
            width: 100%;
            height: 420px;
            object-fit: cover;
            border-radius: 20px;
            box-shadow: 0 18px 50px rgba(14, 124, 107, 0.12);
        }
        .story-float {
            position: absolute;
            right: -16px;
            bottom: 24px;
            display: flex;
            align-items: center;
            gap: 12px;
            background: var(--primary);
            color: #fff;
            padding: 12px 20px;
            border-radius: 14px;
            box-shadow: 0 12px 28px rgba(14, 124, 107, 0.26);
            font-size: 14px;
        }
        .story-float strong {
            font-size: 24px;
            line-height: 1;
            font-feature-settings: "tnum";
        }
        .story-content {
            padding-left: 8px;
        }
        .story-content h2 {
            margin: 16px 0 18px;
            font-size: clamp(26px, 3.5vw, 36px);
            line-height: 1.35;
        }
        .story-content > p {
            color: var(--text-secondary);
            margin-bottom: 20px;
        }
        .check-list {
            list-style: none;
            padding: 0;
            margin: 20px 0 26px;
            display: grid;
            gap: 12px;
        }
        .check-list li {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            color: var(--text-main);
            line-height: 1.7;
        }
        .check-list svg {
            flex: 0 0 20px;
            width: 20px;
            height: 20px;
            margin-top: 4px;
            color: var(--primary);
        }
        .process {
            background: linear-gradient(180deg, #fff 0%, #F2F8F5 100%);
        }
        .process-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
            margin-top: 16px;
        }
        .process-card {
            position: relative;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 18px;
            padding: 30px 22px 24px;
            box-shadow: var(--shadow-sm);
            transition: transform 0.24s ease, box-shadow 0.24s ease;
        }
        .process-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--bg-deep);
            color: #fff;
            font-weight: 800;
            font-feature-settings: "tnum";
            margin-bottom: 18px;
        }
        .process-card:nth-child(2) .step-number {
            background: var(--primary);
        }
        .process-card:nth-child(3) .step-number {
            background: var(--accent);
        }
        .process-card:nth-child(4) .step-number {
            background: #5E7C8C;
        }
        .process-card h3 {
            font-size: 18px;
            margin: 0 0 8px;
            line-height: 1.5;
            font-weight: 700;
        }
        .process-card p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-secondary);
        }
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .scenario-card {
            display: flex;
            gap: 20px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 18px;
            padding: 26px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.22s ease, transform 0.22s ease;
        }
        .scenario-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .scenario-icon {
            flex: 0 0 auto;
            width: 50px;
            height: 50px;
            display: flex;
            justify-content: center;
            align-items: center;
            border-radius: 14px;
            background: var(--primary-light);
            color: var(--primary);
        }
        .scenario-card:nth-child(2) .scenario-icon {
            background: var(--accent-light);
            color: var(--accent);
        }
        .scenario-card:nth-child(3) .scenario-icon {
            background: #EAF1F8;
            color: #4D7594;
        }
        .scenario-card:nth-child(4) .scenario-icon {
            background: #F3F0E9;
            color: #A2773E;
        }
        .scenario-card h3 {
            font-size: 18px;
            margin: 0 0 6px;
            line-height: 1.5;
            font-weight: 700;
        }
        .scenario-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        .faq-section {
            background: var(--surface);
            border-top: 1px solid var(--border);
        }
        .faq-list {
            max-width: 880px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 14px;
            margin-bottom: 14px;
            overflow: hidden;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }
        .faq-item.active {
            border-color: rgba(14, 124, 107, 0.24);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 18px 22px;
            background: transparent;
            border: 0;
            font-size: 16px;
            font-weight: 600;
            text-align: left;
            color: var(--text-main);
            cursor: pointer;
            min-height: 56px;
            line-height: 1.5;
            transition: background-color 0.2s ease;
        }
        .faq-question:hover {
            background: #FBFCFB;
        }
        .faq-item.active .faq-question {
            background: #FBFCFB;
        }
        .faq-icon {
            flex: 0 0 auto;
            width: 28px;
            height: 28px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            transition: transform 0.28s ease, background-color 0.28s ease;
        }
        .faq-icon svg {
            transition: transform 0.28s ease;
        }
        .faq-item.active .faq-icon svg {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }
        .faq-answer-inner {
            padding: 0 24px 22px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.9;
        }
        .cta {
            position: relative;
            background:
                linear-gradient(120deg, rgba(11, 46, 42, 0.92) 0%, rgba(6, 95, 82, 0.86) 100%),
                url('/assets/images/backpic/back-1.png') center / cover no-repeat;
            color: #fff;
            padding: 88px 0;
        }
        .cta-inner {
            max-width: 760px;
            text-align: center;
            margin: 0 auto;
        }
        .cta .eyebrow {
            background: rgba(255, 255, 255, 0.14);
            color: #D7F1EB;
        }
        .cta h2 {
            margin: 18px 0 16px;
            color: #fff;
            font-size: clamp(26px, 4vw, 40px);
            line-height: 1.3;
            font-weight: 800;
        }
        .cta p {
            color: rgba(255, 255, 255, 0.84);
            font-size: 16px;
            margin-bottom: 30px;
            line-height: 1.8;
        }
        .cta-btns {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            gap: 14px;
        }
        .site-footer {
            background: var(--bg-deep);
            color: rgba(255, 255, 255, 0.82);
            padding-top: 64px;
            padding-bottom: 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 0.8fr 0.8fr 1.1fr;
            gap: 48px;
            padding-bottom: 44px;
        }
        .footer-grid .brand {
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.66);
            max-width: 320px;
            margin-top: 16px;
        }
        .footer-col h4 {
            color: #fff;
            font-weight: 600;
            margin: 0 0 16px;
            font-size: 16px;
        }
        .footer-links,
        .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.68);
        }
        .footer-links a,
        .footer-contact a {
            transition: color 0.2s ease, transform 0.2s ease;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .footer-links a:hover,
        .footer-contact a:hover {
            color: #fff;
            transform: translateX(2px);
        }
        .footer-social {
            display: flex;
            gap: 12px;
            margin-top: 18px;
        }
        .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            color: rgba(255, 255, 255, 0.78);
            background: rgba(255, 255, 255, 0.06);
            transition: background-color 0.22s ease, color 0.22s ease, transform 0.22s ease;
        }
        .footer-social a:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            padding: 20px 0 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.46);
        }
        @media (max-width: 1023.98px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
            .nav-links {
                position: fixed;
                top: 0;
                left: 0;
                right: 0;
                display: flex;
                flex-direction: column;
                align-items: stretch;
                justify-content: flex-start;
                gap: 2px;
                background: #fff;
                box-shadow: 0 16px 40px rgba(11, 46, 42, 0.14);
                padding: 82px 20px 24px;
                border-bottom: 1px solid var(--border);
                opacity: 0;
                visibility: hidden;
                transform: translateY(-10px);
                pointer-events: none;
                transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
                max-height: calc(100vh - 60px);
                overflow-y: auto;
            }
            html.nav-open .nav-links {
                opacity: 1;
                visibility: visible;
                transform: translateY(0);
                pointer-events: auto;
            }
            .nav-links > a:not(.btn) {
                width: 100%;
                min-height: 48px;
                border-radius: 8px;
            }
            .nav-links .nav-mobile-btn {
                display: inline-flex;
                width: 100%;
                justify-content: center;
                margin-top: 12px;
            }
            .header-cta {
                display: none;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .nav-inner {
                height: 68px;
            }
            .hero {
                padding: 72px 0 64px;
            }
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 44px;
            }
            .hero-copy .lead {
                max-width: 640px;
            }
            .hero-card > img {
                height: 340px;
            }
            .ops-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .story-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .story-visual img {
                height: 360px;
            }
            .process-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .trust-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .trust-item {
                padding: 8px 0;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }
        }
        @media (max-width: 767.98px) {
            .section {
                padding-top: 56px;
                padding-bottom: 56px;
            }
            .section-head {
                margin-bottom: 36px;
            }
            .hero {
                background:
                    linear-gradient(165deg, rgba(247, 251, 250, 0.99) 0%, rgba(231, 243, 239, 0.93) 72%, rgba(255, 255, 255, 0.9) 100%),
                    url('/assets/images/backpic/back-2.webp') center top / cover no-repeat;
                padding: 52px 0 48px;
            }
            .hero h1 {
                font-size: 30px;
            }
            .hero-copy .lead {
                font-size: 15px;
            }
            .hero-trusted {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 10px 12px;
                margin-top: 26px;
            }
            .hero-card {
                padding: 8px;
            }
            .hero-card > img {
                height: 230px;
                border-radius: 12px;
            }
            .hero-card-item strong {
                font-size: 15px;
            }
            .hero-card-item span {
                font-size: 12px;
            }
            .hero-float-card {
                left: 10px;
                right: 10px;
                bottom: 18px;
                text-align: left;
                backdrop-filter: blur(10px);
            }
            .trust-number {
                font-size: 26px;
            }
            .ops-grid {
                grid-template-columns: 1fr;
            }
            .ops-card {
                padding: 22px 20px;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .story-visual img {
                height: 250px;
            }
            .story-float {
                position: static;
                margin-top: 14px;
                justify-content: center;
            }
            .process-list {
                grid-template-columns: 1fr;
            }
            .cta {
                padding: 56px 0;
            }
            .cta p {
                font-size: 15px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
                padding-bottom: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                justify-content: center;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .brand-text {
                font-size: 18px;
            }
            .hero-btns .btn {
                width: 100%;
            }
            .hero-card-item span {
                font-size: 11px;
            }
            .hero-card-meta {
                padding: 14px 2px 6px;
                gap: 4px;
            }
            .faq-question {
                padding: 16px 16px;
                font-size: 15px;
                gap: 12px;
            }
            .faq-answer-inner {
                padding-left: 16px;
                padding-right: 16px;
            }
        }
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                scroll-behavior: auto !important;
                transition-duration: 0.01ms !important;
                animation-duration: 0.01ms !important;
            }
        }

/* roulang page: category4 */
:root{
  --primary:#0E7C6B;
  --primary-deep:#065F52;
  --primary-light:#E7F3EF;
  --accent:#F08C3A;
  --accent-deep:#DE7623;
  --accent-light:#FEF0E2;
  --bg:#F7F9F8;
  --bg-deep:#0B2E2A;
  --white:#FFFFFF;
  --text-main:#1F2925;
  --text-soft:#5D6B66;
  --border:#E2EAE7;
  --radius-lg:16px;
  --radius-md:10px;
  --radius-sm:6px;
  --container:1200px;
  --shadow-card:0 4px 24px rgba(14,124,107,0.06);
  --shadow-hover:0 8px 32px rgba(14,124,107,0.12);
  --shadow-accent:0 10px 28px rgba(240,140,58,0.24);
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Helvetica Neue",sans-serif;
  font-size:16px;line-height:1.75;color:var(--text-main);background:var(--bg);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
ul,ol{list-style:none;}
button{font-family:inherit;border:none;background:none;cursor:pointer;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
@media screen and (max-width:767px){
  .container{padding:0 16px;}
}
.section{padding:96px 0;}
.section-white{background:var(--white);}
.section-gray{background:var(--bg);}
.section-deep{background:var(--bg-deep);}
@media screen and (max-width:767px){
  .section{padding:56px 0;}
}

/* 顶部细条 */
.site-topbar{
  background:var(--bg-deep);color:rgba(255,255,255,.82);
  font-size:13px;line-height:36px;
}
.site-topbar .container{display:flex;justify-content:space-between;gap:16px;align-items:center;}
.site-topbar .topbar-domain{letter-spacing:.02em;font-weight:500;}
.site-topbar .topbar-entry{color:#fff;display:inline-flex;align-items:center;gap:4px;border-bottom:1px solid rgba(255,255,255,.35);transition:border-color .2s;}
.site-topbar .topbar-entry:hover{border-color:var(--accent);color:var(--accent);}
@media screen and (max-width:520px){
  .site-topbar .topbar-note{display:none;}
  .site-topbar .container{justify-content:center;}
}

/* 主导航 */
.site-header{
  position:sticky;top:0;left:0;right:0;z-index:80;
  background:rgba(255,255,255,.96);
  box-shadow:0 1px 0 var(--border),0 8px 24px rgba(11,46,42,.04);
}
.nav-inner{
  height:72px;display:flex;align-items:center;justify-content:space-between;gap:18px;
}
.brand{display:inline-flex;align-items:center;gap:9px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;background:var(--primary);color:#fff;
  font-size:20px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 14px rgba(14,124,107,.28);
}
.brand-text{font-size:20px;font-weight:800;color:var(--text-main);letter-spacing:.02em;white-space:nowrap;}
.nav-links{
  display:flex;align-items:center;gap:6px;margin-left:auto;margin-right:10px;
}
.nav-links > a{
  display:inline-flex;align-items:center;justify-content:center;
  padding:8px 13px;border-radius:var(--radius-md);font-weight:500;
  color:var(--text-soft);white-space:nowrap;transition:.2s ease;min-height:40px;
}
.nav-links > a:hover{color:var(--primary);background:var(--primary-light);}
.nav-links > a.active{color:var(--primary);background:var(--primary-light);font-weight:700;}
.nav-mobile-btn{display:none;}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.header-cta{min-height:44px;display:inline-flex;align-items:center;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  background:var(--primary-light);
}
.nav-toggle span{width:18px;height:2px;background:var(--primary);border-radius:4px;transition:.25s;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
@media screen and (max-width:1023px){
  .nav-links{
    position:fixed;left:16px;right:16px;top:106px;
    display:none;flex-direction:column;align-items:stretch;gap:2px;
    background:var(--white);padding:16px;border-radius:16px;
    box-shadow:0 20px 48px rgba(11,46,42,.16);border:1px solid var(--border);
  }
  .nav-links.open{display:flex;z-index:60;}
  .nav-links > a{padding:13px 14px;justify-content:flex-start;}
  .nav-toggle{display:inline-flex;}
  .nav-mobile-btn{margin-top:10px;display:inline-flex;justify-content:center;}
  .header-cta{display:none;}
  .nav-inner{height:66px;}
}
@media screen and (min-width:1024px){
  .desktop-hidden{display:none !important;}
}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  min-height:44px;padding:0 20px;border-radius:var(--radius-md);
  font-size:15px;font-weight:600;line-height:1;transition:.22s ease;white-space:nowrap;
  border:1px solid transparent;
}
.btn svg{width:18px;height:18px;transition:transform .2s ease;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(14,124,107,.22);}
.btn-primary:hover{background:var(--primary-deep);transform:translateY(-2px);box-shadow:0 10px 24px rgba(6,95,82,.25);color:#fff;}
.btn-primary:hover svg{transform:translateX(2px);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:var(--shadow-accent);}
.btn-accent:hover{background:var(--accent-deep);transform:translateY(-2px);color:#fff;}
.btn-outline{border-color:var(--primary);color:var(--primary);background:transparent;}
.btn-outline:hover{background:var(--primary-light);color:var(--primary-deep);}
.btn-ghost{border-color:rgba(255,255,255,.35);color:#fff;background:transparent;}
.btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff;border-color:#fff;}
.btn-lg{min-height:50px;padding:0 26px;font-size:16px;border-radius:12px;}
.btn-text{
  min-height:44px;padding:0 8px;color:var(--primary);font-weight:600;
  display:inline-flex;align-items:center;gap:6px;
}
.btn-text:hover{color:var(--accent);}

/* hero */
.category-hero{
  background:
    linear-gradient(60deg, rgba(247,249,248,.94) 0%, rgba(231,243,239,.74) 36%, rgba(255,255,255,.55) 80%),
    url('/assets/images/backpic/back-1.png') center center / cover no-repeat var(--bg);
  border-bottom:1px solid var(--border);
  overflow:hidden;
}
.category-hero-inner{padding:64px 0 88px;}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:6px;
  font-size:13px;color:var(--text-soft);margin-bottom:36px;
}
.breadcrumb a{color:var(--primary);font-weight:500;}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb-current{color:var(--text-main);}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:16px;
  font-weight:700;font-size:14px;color:var(--primary);
  background:var(--primary-light);padding:6px 14px;border-radius:100px;
}
.hero-kicker::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);}
.hero-title{
  font-size:44px;line-height:1.24;font-weight:800;letter-spacing:.01em;
  color:var(--text-main);margin-bottom:18px;max-width:680px;
}
.hero-title span{color:var(--primary);}
.hero-lead{
  color:var(--text-soft);font-size:17px;line-height:1.9;
  max-width:620px;margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-bottom:34px;}
.hero-points{display:flex;flex-wrap:wrap;gap:8px 20px;}
.hero-points li{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:500;color:var(--text-soft);
}
.hero-points li:before{
  content:"";width:18px;height:18px;border-radius:50%;background:var(--primary-light) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 10 10'%3E%3Cpath d='M2 5l2 2 4-4' fill='none' stroke='%230E7C6B' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/10px no-repeat;
  flex:none;
}
.hero-visual{position:relative;margin-left:28px;}
.hero-visual img{border-radius:20px;box-shadow:0 20px 50px rgba(11,46,42,.15);}
.visual-note{
  position:absolute;left:-24px;bottom:22px;
  background:#fff;border-radius:14px;padding:12px 14px;
  display:flex;align-items:flex-start;gap:12px;
  box-shadow:0 10px 30px rgba(14,124,107,.13);border:1px solid rgba(14,124,107,.08);
  max-width:290px;
}
.note-icon{
  flex:none;width:38px;height:38px;border-radius:10px;background:var(--accent-light);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%23F08C3A' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 22s8-4 8-10V5l-8-3-8 3v7c0 6 8 10 8 10z'/%3E%3C/svg%3E") center center no-repeat;
}
.visual-note strong{display:block;color:var(--text-main);font-size:14px;font-weight:700;margin-bottom:4px;}
.visual-note p{font-size:13px;color:var(--text-soft);line-height:1.6;}
@media screen and (max-width:1023px){
  .category-hero-inner{padding:48px 0 56px;}
  .hero-title{font-size:34px;}
  .hero-visual{margin:36px 0 0;}
  .visual-note{position:static;margin-top:12px;}
}
@media screen and (max-width:767px){
  .hero-title{font-size:29px;line-height:1.35;}
  .hero-lead{font-size:16px;}
  .hero-actions{align-items:stretch;flex-direction:column;}
  .hero-points{gap:10px 0;flex-direction:column;}

}

/* 分节标题 */
.section-head{margin-bottom:58px;}
.eyebrow{
  display:inline-block;font-weight:800;font-size:13px;
  color:var(--primary);background:var(--primary-light);
  padding:5px 14px;border-radius:100px;letter-spacing:.08em;margin-bottom:18px;
}
.section-head h2{
  font-size:32px;font-weight:800;line-height:1.35;color:var(--text-main);
  letter-spacing:.01em;margin-bottom:16px;max-width:760px;
}
.section-head .sub{font-size:16px;color:var(--text-soft);max-width:780px;}
.section-deep .section-head h2{color:#fff;}
.section-deep .section-head .sub{color:rgba(255,255,255,.72);}
.section-deep .eyebrow{background:rgba(255,255,255,.1);color:#fff;}
@media screen and (max-width:767px){
  .section-head{margin-bottom:40px;}
  .section-head h2{font-size:26px;line-height:1.4;}
}

/* 运营落地路径 */
.scope-panel{
  display:grid;grid-template-columns:42% 58%;
  background:var(--white);border-radius:22px;border:1px solid var(--border);
  box-shadow:var(--shadow-card);overflow:hidden;align-items:stretch;
}
.scope-media{
  min-height:420px;background:var(--primary-light);
  position:relative;overflow:hidden;
}
.scope-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border-radius:0;}
.scope-media .scope-media-mask{
  position:absolute;inset:auto 0 0 0;padding:28px 28px 24px;color:#fff;
  background:linear-gradient(to top,rgba(11,46,42,.86),rgba(11,46,42,.08));
}
.scope-media-mask h3{font-size:18px;font-weight:700;margin-bottom:6px;}
.scope-media-mask p{font-size:14px;color:rgba(255,255,255,.85);}
.scope-content{padding:42px 38px 34px;}
.scope-intro{margin-bottom:30px;}
.scope-intro h3{font-size:22px;font-weight:800;margin-bottom:10px;color:var(--text-main);}
.scope-intro p{color:var(--text-soft);font-size:15px;line-height:1.85;}
.scope-list{display:grid;gap:4px;}
.scope-item{
  display:flex;gap:16px;padding:16px 10px;border-top:1px solid var(--border);transition:background .2s;
  border-radius:12px;
}
.scope-item:hover{background:var(--bg);}
.scope-item .scope-no{
  flex:none;width:40px;height:40px;border-radius:11px;
  background:var(--accent-light);color:var(--accent);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:800;font-feature-settings:"tnum";
}
.scope-item strong{display:block;font-size:16px;font-weight:700;margin-bottom:2px;color:var(--text-main);}
.scope-item p{font-size:14px;color:var(--text-soft);line-height:1.65;}
@media screen and (max-width:900px){
  .scope-panel{grid-template-columns:1fr;}
  .scope-media{min-height:300px;}
}
@media screen and (max-width:767px){
  .scope-content{padding:26px 20px 16px;}
  .scope-item{padding:16px 4px;gap:12px;}
}

/* 功能特色卡片 */
.feature-band .grid-x{align-items:center;}
.feature-visual{
  border-radius:20px;overflow:hidden;box-shadow:0 15px 35px rgba(14,124,107,.1);
  margin-right:8px;aspect-ratio:4/3;
}
.feature-visual img{width:100%;height:100%;object-fit:cover;}
.feature-info .section-head{margin-bottom:24px;}
.feature-info .section-head h2{font-size:30px;margin-bottom:10px;}
.feature-list{display:grid;gap:2px;}
.feature-list li{
  display:grid;grid-template-columns:34px 1fr;gap:10px;align-items:start;
  padding:18px 12px;border-bottom:1px solid var(--border);
}
.feature-list li>span{
  width:34px;height:34px;border-radius:9px;background:var(--primary-light);color:var(--primary);
  display:inline-flex;align-items:center;justify-content:center;
}
.feature-list strong{display:block;font-weight:700;color:var(--text-main);margin-bottom:3px;font-size:16px;}
.feature-list p{font-size:14px;color:var(--text-soft);line-height:1.7;}
@media screen and (max-width:1023px){
  .feature-visual{margin:0 0 30px;}
}

/* 运营流程 */
.process-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  margin-top:14px;
}
.process-card{
  background:var(--white);border-radius:18px;padding:30px 24px 26px;
  border:1px solid var(--border);box-shadow:var(--shadow-card);
  position:relative;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.process-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(14,124,107,.2);}
.process-index{
  font-size:30px;font-weight:800;color:var(--primary);font-feature-settings:"tnum";
  letter-spacing:-.02em;line-height:1;margin-bottom:22px;position:relative;z-index:0;
}
.process-card:nth-child(2) .process-index{color:#3EA58D;}
.process-card:nth-child(3) .process-index{color:#4BB4A1;}
.process-card:nth-child(4) .process-index{color:var(--accent);}
.process-card h3{font-size:18px;font-weight:700;margin-bottom:10px;}
.process-card p{font-size:14px;color:var(--text-soft);line-height:1.7;}
.process-line{
  position:absolute;left:calc(100% - 26px);top:40px;width:calc(20px);height:2px;
  background:var(--border);display:block;
}
.process-card:last-of-type .process-line{display:none;}
@media screen and (max-width:1023px){
  .process-grid{grid-template-columns:repeat(2,1fr);}
  .process-line{display:none;}
}
@media screen and (max-width:767px){
  .process-grid{grid-template-columns:1fr;}
}

/* 场景区块 */
.scenario-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;
}
.scenario-card{
  background:var(--white);border-radius:18px;border:1px solid var(--border);
  overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  display:flex;flex-direction:column;
}
.scenario-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(14,124,107,.2);}
.scenario-card .scenario-img{height:210px;overflow:hidden;position:relative;background:var(--primary-light);}
.scenario-card .scenario-img img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.scenario-card:hover .scenario-img img{transform:scale(1.04);}
.scenario-card .scenario-img .scenario-tag{
  position:absolute;left:14px;top:14px;
  background:rgba(255,255,255,.94);color:var(--primary);
  font-size:12px;font-weight:700;padding:5px 12px;border-radius:100px;
  display:inline-flex;align-items:center;
}
.scenario-content{padding:26px 22px 24px;}
.scenario-content h3{font-size:19px;font-weight:800;margin-bottom:10px;}
.scenario-content p{color:var(--text-soft);font-size:14px;line-height:1.75;}
.scenario-content ul{margin-top:14px;}
.scenario-content li{
  font-size:13px;color:var(--text-soft);padding-left:18px;position:relative;margin:6px 0;
}
.scenario-content li:before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:2px;
  background:var(--accent);opacity:.8;
}
@media screen and (max-width:1023px){
  .scenario-grid{grid-template-columns:1fr;max-width:620px;margin:0 auto;}
  .scenario-card .scenario-img{height:240px;}
}

/* 深色价值带 */
.benefit-deep{
  background:var(--bg-deep) url('/assets/images/backpic/back-3.webp') center center / cover no-repeat;
}
.benefit-deep-mask{background:rgba(11,46,42,.78);}
.value-cards{
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
  margin-bottom:20px;
}
.value-card{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);
  border-radius:18px;padding:28px 22px;color:#fff;
  transition:.25s ease;
}
.value-card:hover{background:rgba(255,255,255,.12);transform:translateY(-3px);border-color:rgba(255,255,255,.2);}
.value-icon{
  width:42px;height:42px;border-radius:12px;
  background:rgba(255,255,255,.12);color:#fff;
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.value-card h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.value-card p{font-size:14px;color:rgba(255,255,255,.72);line-height:1.7;}
.benefit-note{
  border-left:3px solid var(--accent);padding:12px 20px;
  background:rgba(255,255,255,.05);border-radius:0 12px 12px 0;color:rgba(255,255,255,.8);
  font-size:14px;
}
@media screen and (max-width:900px){
  .value-cards{grid-template-columns:1fr;}
}

/* CTA横幅 */
.cta-banner{
  background:linear-gradient(90deg,rgba(14,124,107,.14),rgba(240,140,58,.15));
  padding:64px 0;
}
.cta-wrap{
  background:var(--primary);border-radius:22px;padding:54px 48px;
  color:#fff;position:relative;overflow:hidden;
}
.cta-wrap:before{
  content:"";position:absolute;right:-48px;top:-48px;width:230px;height:230px;border-radius:50%;
  background:rgba(255,255,255,.08);
}
.cta-wrap:after{
  content:"";position:absolute;right:70px;bottom:-90px;width:170px;height:170px;border-radius:50%;
  border:24px solid rgba(255,255,255,.06);
}
.cta-wrap h2{font-size:28px;font-weight:800;line-height:1.4;margin-bottom:14px;position:relative;z-index:1;}
.cta-wrap p{font-size:16px;color:rgba(255,255,255,.85);max-width:720px;position:relative;z-index:1;}
.cta-action{margin-top:28px;position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
@media screen and (max-width:767px){
  .cta-wrap{padding:36px 24px;}
  .cta-wrap h2{font-size:23px;}
  .cta-wrap p{font-size:15px;}
}

/* 相关服务 */
.relevant-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.relevant-link{
  background:var(--white);border:1px solid var(--border);border-radius:16px;
  padding:24px 20px;display:flex;flex-direction:column;gap:12px;
  box-shadow:var(--shadow-card);transition:.22s ease;position:relative;
}
.relevant-link:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(14,124,107,.2);}
.relevant-link .relevant-icon{
  width:40px;height:40px;border-radius:11px;background:var(--primary-light);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
}
.relevant-link:nth-child(2) .relevant-icon{background:var(--accent-light);color:var(--accent);}
.relevant-link:nth-child(3) .relevant-icon{background:#EEF4FF;color:#4169B8;}
.relevant-link.active{background:var(--primary);border-color:var(--primary);color:#fff;}
.relevant-link.active .relevant-icon{background:rgba(255,255,255,.15);color:#fff;}
.relevant-link.active .relevant-go{color:#fff;}
.relevant-link.active p{color:rgba(255,255,255,.78);}
.relevant-link h3{font-size:17px;font-weight:800;}
.relevant-link p{font-size:13px;color:var(--text-soft);line-height:1.65;flex:1;}
.relevant-go{
  font-size:13px;font-weight:700;color:var(--primary);display:inline-flex;align-items:center;gap:5px;
}
.relevant-go:after{content:"→";transition:transform .2s;}
.relevant-link:hover .relevant-go:after{transform:translateX(3px);}
@media screen and (max-width:1023px){
  .relevant-grid{grid-template-columns:repeat(2,1fr);}
}
@media screen and (max-width:520px){
  .relevant-grid{grid-template-columns:1fr;}
}

/* FAQ */
.faq-card{
  max-width:920px;margin:0 auto;background:var(--white);
  border:1px solid var(--border);border-radius:20px;box-shadow:var(--shadow-card);
  padding:30px 34px;
}
.faq-list{border-top:1px solid var(--border);}
.faq-item{border-bottom:1px solid var(--border);}
.faq-item:last-child{border-bottom:none;}
.faq-question{
  width:100%;display:flex;justify-content:space-between;align-items:flex-start;gap:16px;
  padding:22px 4px;text-align:left;font-size:16px;font-weight:700;line-height:1.6;
  color:var(--text-main);transition:color .2s;
  min-height:44px;
}
.faq-question:hover{color:var(--primary);}
.faq-question .faq-toggle{
  flex:none;width:26px;height:26px;border-radius:8px;
  background:var(--primary-light);color:var(--primary);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:400;line-height:1;position:relative;transition:.3s;
}
.faq-question .faq-toggle:before{content:"";position:absolute;width:12px;height:2px;background:currentColor;border-radius:2px;}
.faq-question .faq-toggle:after{content:"";position:absolute;width:2px;height:12px;background:currentColor;border-radius:2px;}
.faq-item.open .faq-toggle{transform:rotate(45deg);background:var(--accent-light);color:var(--accent);}
.faq-panel{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-answer{padding:0 48px 24px 4px;color:var(--text-soft);font-size:15px;line-height:1.85;}
.faq-cta{
  text-align:center;margin-top:26px;font-size:14px;color:var(--text-soft);
}
.faq-cta a{color:var(--primary);font-weight:700;border-bottom:1px solid var(--primary);}
@media screen and (max-width:767px){
  .faq-card{padding:18px;border-radius:16px;}
  .faq-answer{padding-right:8px;}
}

/* 页脚 */
.site-footer{
  background:var(--bg-deep);
  color:#91A39C;
  padding:68px 0 42px;
  font-size:14px;
}
.site-footer a{color:#C9D6D1;transition:color .2s;}
.site-footer a:hover{color:#fff;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;
  padding-bottom:46px;border-bottom:1px solid rgba(255,255,255,.12);
}
.site-footer .brand-text{color:#fff;}
.footer-desc{color:#91A39C;max-width:300px;margin-top:14px;line-height:1.8;font-size:14px;}
.site-footer h4{color:#fff;font-size:16px;font-weight:700;margin-bottom:20px;}
.footer-col ul li{margin-bottom:10px;line-height:1.6;}
.footer-contact li{margin-bottom:12px;}
.footer-social{
  display:flex;gap:10px;margin-top:20px;align-items:center;
}
.footer-social a{
  width:38px;height:38px;border-radius:11px;
  background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;
  color:#fff;
}
.footer-social a:hover{background:var(--accent);color:#fff;}
.footer-bottom{
  padding-top:28px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;
  gap:12px;color:#739089;
}
.footer-bottom a{color:#93BEB2;}
.copyright{white-space:nowrap;}
@media screen and (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media screen and (max-width:767px){
  .site-footer{padding:48px 0 28px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}