/* roulang page: index */
:root {
  --primary: #0B5C4D;
  --primary-deep: #08362F;
  --primary-soft: rgba(11, 92, 77, 0.08);
  --accent: #C8A45D;
  --accent-deep: #AE8A44;
  --ink: #15231E;
  --muted: #66746F;
  --bg: #F7F7F4;
  --white: #FFFFFF;
  --border: #E3E7E3;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --btn-radius: 999px;
  --shadow-card: 0 8px 30px rgba(8, 42, 34, 0.10);
  --space-section: clamp(72px, 9vw, 120px);
  --header-h: 72px;
  --font-zh: "PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC","Noto Sans CJK SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: var(--font-zh);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
body.no-scroll {
  overflow: hidden;
}
img {
  max-width: 100%;
  display: inline-block;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color .2s ease, background .2s ease, box-shadow .2s ease, transform .2s ease;
}
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
.section {
  padding: var(--space-section) 0;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--primary);
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--primary);
}
.section-head {
  max-width: 720px;
  margin-bottom: clamp(36px, 5vw, 60px);
}
.section-head h2 {
  margin: 12px 0 16px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--ink);
}
.section-head p {
  color: var(--muted);
  font-size: 16px;
  margin-bottom: 0;
}
.grid-x {
  display: flex;
  flex-wrap: wrap;
}
.cell {
  flex: 0 0 auto;
  min-height: 0;
  min-width: 0;
  padding-left: .625rem;
  padding-right: .625rem;
}
/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--btn-radius);
  border: 1px solid transparent;
  padding: 12px 26px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  cursor: pointer;
  transition: all .25s ease;
  font-family: var(--font-zh);
}
.btn-primary {
  background: var(--primary);
  color: #fff !important;
  box-shadow: 0 2px 10px rgba(11, 92, 77, 0.18);
}
.btn-primary:hover {
  background: var(--primary-deep);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(11, 92, 77, 0.22);
}
.btn-secondary {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.6);
  color: #fff !important;
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.18);
  border-color: #fff;
  color: #fff !important;
}
.btn-accent {
  background: var(--accent);
  color: #fff !important;
}
.btn-accent:hover {
  background: var(--accent-deep);
  transform: translateY(-1px);
}
.btn-outline {
  background: #fff;
  border-color: var(--border);
  color: var(--ink) !important;
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary) !important;
  box-shadow: 0 4px 14px rgba(8, 42, 34, .08);
}
/* ========== 导航 ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-h);
  background: #fff;
  border-bottom: 1px solid rgba(227,231,227,.9);
  z-index: 999;
  transition: box-shadow .3s ease;
}
.site-header.is-elevated {
  box-shadow: 0 4px 24px rgba(8,42,34,.06);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 20px;
}
.brand-logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: .01em;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 2px;
}
.brand-logo span {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  margin-right: 8px;
}
.desktop-nav {
  display: none;
  align-items: center;
  margin-left: auto;
  gap: 2px;
}
.header-cta {
  display: none;
  margin-left: 12px;
}
.header-cta .btn {
  padding: 9px 22px;
  font-size: 14px;
}
.nav-link {
  padding: 10px 14px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
  position: relative;
  transition: color .2s;
  font-family: var(--font-zh);
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 5px;
  height: 2px;
  border-radius: 2px;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .25s ease;
}
.nav-link:hover {
  color: var(--primary);
}
.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}
.nav-link.active a {
  color: var(--primary);
}
.nav-link.active {
  color: var(--primary);
}
.mobile-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
  cursor: pointer;
  gap: 5px;
  padding: 0;
  margin-left: auto;
}
.mobile-toggle span {
  width: 18px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: all .3s ease;
}
.mobile-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.mobile-toggle.open span:nth-child(2) {
  opacity: 0;
}
.mobile-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}
.mobile-nav {
  position: fixed;
  top: var(--header-h);
  right: 0;
  width: 100%;
  max-width: 360px;
  height: calc(100vh - var(--header-h));
  background: #fff;
  border-left: 1px solid var(--border);
  box-shadow: -12px 0 40px rgba(8,42,34,.1);
  padding: 24px;
  z-index: 998;
  transform: translateX(100%);
  transition: transform .35s ease;
  overflow-y: auto;
}
.mobile-nav.open {
  transform: translateX(0);
}
.mobile-nav a.nav-link {
  display: block;
  padding: 14px 0;
  font-size: 16px;
  border-bottom: 1px solid var(--border);
  border-radius: 0;
}
.mobile-nav a.nav-link.active {
  color: var(--primary);
}
.mobile-nav a.nav-link::after {
  display: none;
}
.mobile-nav .btn {
  width: 100%;
  margin-top: 18px;
}
.header-inner .mobile-cta {
  display: inline-flex;
  margin-left: auto;
}
.header-cta-mobile {
  display: none;
}
/* ========== Hero ========== */
.hero {
  position: relative;
  margin-top: var(--header-h);
  background: var(--primary-deep);
  background-image: linear-gradient(rgba(8,54,47,.92), rgba(8,54,47,.88)), url("/assets/images/backpic/back-2.png");
  background-size: cover;
  background-position: center;
  color: #fff;
  overflow: hidden;
  padding: clamp(80px, 12vw, 160px) 0 90px;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 44px 44px;
  opacity: .6;
}
.hero-main {
  display: flex;
  align-items: center;
  gap: 60px;
  position: relative;
  z-index: 2;
}
.hero-copy {
  flex: 1.1;
}
.hero-tagline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.10);
  border: 1px solid rgba(255,255,255,.18);
  color: #F5E7CC;
  font-size: 13px;
  letter-spacing: .08em;
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 26px;
}
.hero-copy h1 {
  font-size: clamp(34px, 5vw, 64px);
  line-height: 1.2;
  color: #fff;
  font-weight: 700;
  margin: 0 0 22px;
  letter-spacing: .02em;
}
.hero-copy h1 span {
  color: var(--accent);
}
.hero-text {
  font-size: clamp(16px, 1.6vw, 18px);
  color: rgba(255,255,255,.86);
  max-width: 560px;
  margin: 0 0 36px;
  line-height: 1.9;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 42px;
}
.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  color: rgba(255,255,255,.66);
  font-size: 14px;
}
.hero-trust span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.hero-trust i {
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
.hero-visual {
  flex: 0 0 420px;
  position: relative;
}
.browser-mock {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  color: var(--ink);
  box-shadow: 0 30px 80px rgba(0,0,0,.28);
  border: 1px solid rgba(255,255,255,.25);
  transform: perspective(1200px) rotateY(-4deg);
}
.browser-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 16px;
  background: #f2f2ef;
}
.browser-dot {
  display: block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #d8ddd9;
}
.browser-dot:first-child { background: #EBA38A; }
.browser-dot:nth-child(2) { background: #E7C77D; }
.browser-dot:nth-child(3) { background: #9ECFA8; }
.browser-body {
  padding: 28px 24px 24px;
}
.browser-title {
  font-weight: 700;
  font-size: 17px;
  letter-spacing: .02em;
  color: var(--primary);
  margin-bottom: 6px;
}
.browser-sub {
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 22px;
}
.mock-kpi {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}
.mock-kpi div {
  flex: 1;
  background: #F2F6F4;
  padding: 10px 8px;
  border-radius: 10px;
  text-align: center;
}
.mock-kpi strong {
  display: block;
  font-size: 17px;
  color: var(--primary-deep);
}
.mock-kpi span {
  font-size: 11px;
  color: var(--muted);
}
.mock-line {
  height: 8px;
  background: #Eef1ee;
  border-radius: 20px;
  margin-bottom: 10px;
}
.mock-line.short {
  width: 70%;
}
.mock-line.accent {
  width: 42%;
  background: #D5E2DC;
}
.mock-badge {
  margin-top: 14px;
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
}
/* ========== 服务范围 ========== */
.services-section {
  background: var(--bg);
}
.services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.service-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 38px 32px 32px;
  display: block;
  transition: border-color .3s, box-shadow .3s, transform .3s;
}
.service-card:hover {
  border-color: rgba(11,92,77,.45);
  box-shadow: var(--shadow-card);
  transform: translateY(-3px);
}
.service-no {
  position: absolute;
  top: 32px;
  right: 32px;
  font-size: 34px;
  font-weight: 700;
  color: rgba(11,92,77,.1);
  line-height: 1;
  font-family: Georgia,serif;
}
.service-card h3 {
  margin: 0 0 10px;
  font-size: 20px;
  color: var(--ink);
  letter-spacing: .02em;
}
.service-card p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
  margin-bottom: 20px;
}
.service-go {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.service-go .arrow {
  display: inline-block;
  transition: transform .25s ease;
}
.service-card:hover .service-go .arrow {
  transform: translateX(6px);
}
.service-tag {
  display: inline-block;
  font-size: 12px;
  color: var(--primary);
  background: var(--primary-soft);
  border-radius: 999px;
  padding: 3px 12px;
  margin-bottom: 18px;
}
/* ========== 数据区 ========== */
.metrics-section {
  background: #fff;
}
.metrics-inner {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.metric-item {
  text-align: center;
  padding: 34px 22px;
  position: relative;
}
.metric-item + .metric-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 26%;
  height: 48%;
  width: 1px;
  background: var(--border);
}
.metric-num {
  font-size: clamp(28px, 3vw, 44px);
  font-weight: 700;
  color: var(--primary-deep);
  line-height: 1.2;
  font-family: Georgia,serif;
  letter-spacing: .01em;
}
.metric-label {
  color: var(--muted);
  font-size: 14px;
  margin-top: 10px;
}
/* ========== 案例板块 ========== */
.case-section {
  background: #fff;
}
.case-layout {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 26px;
}
.case-main {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 420px;
  background: var(--primary-deep);
}
.case-main img,
.case-side img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.case-main .case-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8,54,47,0) 0%, rgba(8,54,47,.78) 86%);
  display: flex;
  align-items: flex-end;
  padding: 30px;
  color: #fff;
}
.case-main .case-overlay h3 {
  font-size: 25px;
  margin-bottom: 6px;
}
.case-main .case-overlay p {
  margin-bottom: 0;
  color: rgba(255,255,255,.8);
  font-size: 15px;
  line-height: 1.7;
}
.case-side-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.case-side {
  flex: 1;
  display: flex;
  gap: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  align-items: center;
  padding: 12px;
  transition: border-color .3s, box-shadow .3s;
}
.case-side:hover {
  border-color: rgba(11,92,77,.4);
  box-shadow: var(--shadow-card);
}
.case-side .case-thumb {
  width: 132px;
  height: 112px;
  border-radius: 10px;
  overflow: hidden;
  flex: 0 0 auto;
  background: #E5EFEC;
}
.case-side .case-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.case-side-content h3 {
  font-size: 18px;
  margin: 0 0 8px;
  line-height: 1.4;
}
.case-side-content p {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 0;
  line-height: 1.65;
}
/* ========== 资讯区 ========== */
.news-section {
  background: var(--bg);
}
.news-card-wrap {
  margin-bottom: 28px;
}
.post-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 26px;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: border-color .3s, box-shadow .3s, transform .3s;
}
.post-card:hover {
  border-color: rgba(11,92,77,.4);
  box-shadow: var(--shadow-card);
  transform: translateY(-3px);
}
.post-cat {
  align-self: flex-start;
  font-size: 12px;
  padding: 3px 12px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 16px;
}
.post-card h3 {
  font-size: 18px;
  line-height: 1.55;
  margin: 0 0 10px;
  font-weight: 600;
  letter-spacing: .01em;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.post-card p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
}
.post-meta {
  color: var(--muted);
  font-size: 13px;
  border-top: 1px solid var(--border);
  padding-top: 14px;
}
.news-empty {
  padding: 60px 20px;
  text-align: center;
  background: #fff;
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
  color: var(--muted);
}
.news-more {
  text-align: center;
  margin-top: 16px;
}
/* ========== 方案区块 ========== */
.solutions-section {
  background: var(--primary-deep);
  background-image: radial-gradient(rgba(255,255,255,.08) 1px, transparent 1px), url("/assets/images/backpic/back-3.webp");
  background-size: auto, cover;
  background-position: center;
  padding: var(--space-section) 0;
  color: #fff;
  position: relative;
}
.solutions-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(8,54,47,.82);
}
.solutions-section .container {
  position: relative;
  z-index: 2;
}
.solutions-section .section-head h2 {
  color: #fff;
}
.solutions-section .section-head p {
  color: rgba(255,255,255,.7);
}
.solutions-section .eyebrow::before {
  background: var(--accent);
}
.solutions-section .eyebrow {
  color: var(--accent);
}
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.solution-item {
  border-top: 1px solid rgba(255,255,255,.24);
  padding: 26px 4px 12px;
}
.solution-index {
  font-size: 34px;
  font-family: Georgia,serif;
  color: var(--accent);
  display: block;
  margin-bottom: 14px;
  font-weight: 700;
}
.solution-title {
  font-size: 18px;
  margin-bottom: 10px;
  font-weight: 600;
}
.solution-desc {
  font-size: 14px;
  color: rgba(255,255,255,.72);
  line-height: 1.75;
  margin-bottom: 0;
}
/* ========== FAQ ========== */
.faq-section {
  background: #fff;
}
.faq-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.5fr;
  gap: 64px;
}
.faq-guide h2 {
  font-size: clamp(30px, 3.6vw, 44px);
  line-height: 1.3;
  margin-bottom: 20px;
  letter-spacing: .02em;
}
.faq-guide p {
  color: var(--muted);
  font-size: 15px;
  margin-bottom: 30px;
  line-height: 1.8;
}
.faq-guide .faq-contact {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--primary);
  font-weight: 600;
}
.acc-list {
  border-top: 1px solid var(--border);
}
.acc-item {
  border-bottom: 1px solid var(--border);
}
.acc-head {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border: none;
  background: transparent;
  cursor: pointer;
  padding: 24px 2px;
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  font-family: var(--font-zh);
  text-align: left;
  transition: color .2s ease;
}
.acc-head:hover,
.acc-item.open .acc-head {
  color: var(--primary);
}
.acc-ico {
  position: relative;
  width: 16px;
  height: 16px;
  flex: 0 0 16px;
}
.acc-ico::before,
.acc-ico::after {
  content: "";
  position: absolute;
  background: var(--primary);
  border-radius: 2px;
  transition: all .3s ease;
}
.acc-ico::before {
  width: 16px;
  height: 2px;
  top: 7px;
  left: 0;
}
.acc-ico::after {
  width: 2px;
  height: 16px;
  top: 0;
  left: 7px;
}
.acc-item.open .acc-ico::after {
  transform: scaleY(0);
}
.acc-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
}
.acc-body-inner {
  padding: 0 40px 24px 2px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}
/* ========== 联系区块 ========== */
.contact-section {
  background: var(--bg);
}
.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
}
.contact-text h2 {
  font-size: clamp(30px, 3.6vw, 44px);
  line-height: 1.3;
  margin: 12px 0 18px;
  letter-spacing: .02em;
}
.contact-text > p {
  color: var(--muted);
  margin-bottom: 30px;
  line-height: 1.85;
  font-size: 15px;
}
.contact-list {
  margin-top: 24px;
}
.contact-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 0;
  color: var(--ink);
  font-size: 15px;
  border-bottom: 1px solid rgba(227,231,227,.7);
}
.contact-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 14px;
  font-weight: 700;
  flex: 0 0 auto;
}
.contact-form-panel {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: 0 4px 18px rgba(8,42,34,.04);
}
.contact-form-panel h3 {
  font-size: 24px;
  margin-bottom: 8px;
}
.contact-form-panel > p {
  color: var(--muted);
  font-size: 15px;
  margin-bottom: 26px;
}
.form-group {
  margin-bottom: 22px;
}
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--ink);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  height: 48px;
  border: 1px solid #DDE2DF;
  background: #fff;
  font-size: 15px;
  border-radius: var(--radius-sm);
  padding: 0 16px;
  font-family: var(--font-zh);
  color: var(--ink);
  transition: border-color .2s, box-shadow .2s;
}
.form-group textarea {
  height: auto;
  min-height: 120px;
  padding: 14px 16px;
  resize: vertical;
  line-height: 1.7;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(11,92,77,.09);
}
.form-tip {
  margin-top: 12px;
  font-size: 13px;
  color: var(--primary);
  display: none;
}
.form-tip.show {
  display: block;
}
/* ========== 页脚 ========== */
.site-footer {
  background: var(--primary-deep);
  color: rgba(255,255,255,.78);
  padding: 70px 0 0;
}
.footer-top {
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  display: grid;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand {
  font-size: 21px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.footer-brand::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}
.footer-brand p {
  color: rgba(255,255,255,.6);
  font-size: 14px;
  line-height: 1.8;
  margin: 14px 0 0;
}
.footer-col-title {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
}
.footer-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-list a {
  color: rgba(255,255,255,.7);
  font-size: 14px;
}
.footer-list a:hover {
  color: var(--accent);
}
.footer-contact {
  font-size: 14px;
  line-height: 2;
  color: rgba(255,255,255,.7);
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12);
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  color: rgba(255,255,255,.5);
  font-size: 13px;
}
.footer-bottom-links {
  display: flex;
  gap: 18px;
}
.footer-bottom-links a {
  color: rgba(255,255,255,.6);
}
.footer-bottom-links a:hover {
  color: #fff;
}
/* ========== 响应式 ========== */
@media (min-width: 768px) {
  .desktop-nav {
    display: flex;
  }
  .mobile-toggle {
    display: none;
  }
  .header-mobile {
    display: none;
  }
}
@media (min-width: 992px) {
  .header-cta {
    display: inline-flex;
  }
  .header-inner .mobile-cta {
    display: none;
  }
}
@media (max-width: 1023.98px) {
  .hero-main {
    gap: 24px;
  }
  .hero-visual {
    flex-basis: 340px;
  }
  .solutions-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px 20px;
  }
  .metrics-inner {
    grid-template-columns: repeat(3, 1fr);
  }
  .metric-item:nth-child(4)::before {
    display: none;
  }
  .case-layout {
    grid-template-columns: 1fr;
  }
  .case-main {
    min-height: 320px;
  }
  .faq-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .contact-wrap {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 767.98px) {
  .container {
    padding-left: 18px;
    padding-right: 18px;
  }
  .hero {
    padding-top: 60px;
  }
  .hero-main {
    flex-direction: column;
    align-items: flex-start;
  }
  .hero-visual {
    flex: 1 1 auto;
    width: 100%;
    margin-top: 10px;
  }
  .browser-mock {
    transform: none;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-actions .btn {
    justify-content: center;
  }
  .services-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .service-card {
    padding: 28px 24px 24px;
  }
  .service-no {
    right: 24px;
    top: 26px;
  }
  .metrics-inner {
    grid-template-columns: repeat(2, 1fr);
  }
  .metric-item + .metric-item::before {
    display: none;
  }
  .metric-item {
    border: 1px solid var(--border);
    margin: -0.5px;
  }
  .solutions-section {
    padding: 60px 0;
  }
  .solutions-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .solution-item {
    padding: 22px 0 18px;
  }
  .case-main .case-overlay {
    padding: 22px;
  }
  .case-side {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }
  .case-side .case-thumb {
    width: 100%;
    height: 180px;
  }
  .accordion {
    padding-top: 0;
  }
  .acc-body-inner {
    padding-right: 0;
  }
  .contact-form-panel {
    padding: 24px 18px;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .data-label-only {
    display: none;
  }
  .bg-text {
    opacity: .2;
  }
}

/* roulang page: category1 */
:root {
  --primary: #0B5C4D;
  --primary-deep: #08362F;
  --accent: #C8A45D;
  --text: #15231E;
  --text-soft: #66746F;
  --bg: #F7F7F4;
  --card-bg: #FFFFFF;
  --line: #E3E7E3;
  --radius-lg: 16px;
  --radius-sm: 12px;
  --radius-input: 8px;
  --shadow-hover: 0 8px 30px rgba(8,42,34,0.10);
  --spacer: clamp(72px, 9vw, 120px);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--primary-deep); }
ul, ol, p, h1, h2, h3, h4, figure { margin: 0; padding: 0; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; position: relative; }

/* ===== header ===== */
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 100; height: 72px; display: flex; align-items: center; background: rgba(255,255,255,0.96); backdrop-filter: blur(6px); border-bottom: 1px solid transparent; transition: background .3s ease, border-color .3s ease, box-shadow .3s ease; }
.site-header.scrolled { background: #FFFFFF; border-bottom-color: var(--line); box-shadow: 0 4px 20px rgba(8,42,34,0.06); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; width: 100%; }
.brand-logo { font-size: 22px; font-weight: 700; letter-spacing: 0.02em; color: var(--primary-deep); display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.brand-logo span { display: inline-block; width: 4px; height: 28px; background: var(--accent); border-radius: 999px; }
.brand-logo:hover { color: var(--primary); }
.desktop-nav { display: flex; align-items: center; gap: 8px; }
.desktop-nav .nav-link { position: relative; font-size: 15px; font-weight: 500; color: var(--text); padding: 10px 16px; border-radius: 999px; transition: color .2s ease, background .2s ease; }
.desktop-nav .nav-link:hover { color: var(--primary); background: rgba(11,92,77,0.06); }
.desktop-nav .nav-link.active { color: var(--primary); font-weight: 600; }
.desktop-nav .nav-link.active::after { content: ""; position: absolute; left: 20px; right: 20px; bottom: 2px; height: 2px; background: var(--primary); border-radius: 999px; }
.header-cta { flex-shrink: 0; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; height: 44px; padding: 0 24px; border-radius: 999px; font-size: 15px; font-weight: 500; cursor: pointer; border: 1px solid transparent; transition: all .2s ease; font-family: inherit; white-space: nowrap; }
.btn:focus-visible, a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-deep); color: var(--accent); transform: translateY(-1px); box-shadow: 0 6px 18px rgba(8,42,34,0.2); }
.btn-secondary { background: transparent; border-color: var(--line); color: var(--text); }
.btn-secondary:hover { border-color: var(--primary); color: var(--primary); background: rgba(11,92,77,0.04); }
.mobile-toggle { display: none; background: none; border: none; width: 48px; height: 48px; border-radius: 12px; cursor: pointer; flex-direction: column; align-items: center; justify-content: center; gap: 5px; margin-left: 8px; }
.mobile-toggle span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 999px; transition: transform .3s ease, opacity .3s ease; }
.mobile-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== 分类页 Hero ===== */
.page-hero { background: var(--primary-deep); padding: 120px 0 90px; margin-top: 0; color: #fff; overflow: hidden; position: relative; }
.page-hero::before { content: ""; position: absolute; top: -10%; left: -5%; width: 45%; height: 140%; background: url(/assets/images/backpic/back-1.png) no-repeat right center/cover; opacity: 0.18; border-radius: 4px; transform: rotate(6deg); }
.page-hero::after { content: "核心功能 / 01"; position: absolute; right: 24px; bottom: 16px; font-size: clamp(56px, 10vw, 140px); font-weight: 800; letter-spacing: 0.04em; color: rgba(255,255,255,0.04); line-height: 1; pointer-events: none; }
.page-hero .breadcrumb { display: flex; align-items: center; gap: 6px; font-size: 14px; color: rgba(255,255,255,0.6); margin-bottom: 28px; position: relative; z-index: 1; }
.page-hero .breadcrumb a { color: rgba(255,255,255,0.8); }
.page-hero .breadcrumb a:hover { color: var(--accent); }
.page-hero .breadcrumb .sep { color: rgba(255,255,255,0.4); margin: 0 4px; }
.page-hero .breadcrumb .current { color: var(--accent); }
.page-hero h1 { font-size: clamp(32px, 4.4vw, 56px); font-weight: 700; letter-spacing: 0.02em; line-height: 1.25; margin-bottom: 20px; position: relative; z-index: 1; max-width: 760px; }
.page-hero .lead { font-size: 17px; line-height: 1.8; color: rgba(255,255,255,0.78); max-width: 760px; position: relative; z-index: 1; margin-bottom: 0; }
.page-hero .lead strong { color: var(--accent); font-weight: 600; }

/* ===== 板块通用 ===== */
.section-block { padding: var(--spacer) 0; background: var(--bg); }
.section-block .container { }
.eyebrow-label { display: flex; align-items: center; gap: 10px; font-size: 14px; font-weight: 600; letter-spacing: 0.06em; color: var(--primary); text-transform: uppercase; margin-bottom: 16px; }
.eyebrow-label .number { color: var(--accent); font-weight: 700; }
.eyebrow-label::after { content: ""; width: 40px; height: 1px; background: var(--line); display: inline-block; }
.section-title { font-size: clamp(30px, 4vw, 48px); font-weight: 700; letter-spacing: 0.01em; line-height: 1.2; color: var(--text); margin-bottom: 24px; }
.section-desc { font-size: 16px; line-height: 1.8; color: var(--text-soft); max-width: 680px; margin-bottom: 48px; }
.center-block .section-desc { margin-left: auto; margin-right: auto; }
.center-block .section-title { text-align: center; }
.center-block .eyebrow-label { justify-content: center; }
.center-block .eyebrow-label::before { content: ""; width: 40px; height: 1px; background: var(--line); display: inline-block; }

/* ===== 功能模块区 ===== */
.func-overview { background: var(--bg); padding: var(--spacer) 0; }
.func-overview .content-row { display: flex; flex-wrap: wrap; gap: 32px; margin-bottom: 56px; align-items: center; }
.func-overview .text-half { flex: 1 1 calc(50% - 16px); min-width: 300px; }
.func-overview .img-half { flex: 1 1 calc(50% - 16px); min-width: 300px; border-radius: var(--radius-lg); overflow: hidden; background: linear-gradient(135deg, #E8F0ED, #Dbe8e4); border: 1px solid var(--line); box-shadow: 0 4px 16px rgba(8,42,34,0.06); }
.func-overview .img-half img { object-fit: cover; min-height: 260px; }
.feature-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; margin-top: 12px; }
.feature-card { background: var(--card-bg); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 42px 36px 36px; position: relative; overflow: hidden; transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease; }
.feature-card::before { content: ""; display: block; width: 12px; height: 12px; border-radius: 2px; background: var(--primary); margin-bottom: 24px; transition: background .3s ease, transform .3s ease; }
.feature-card:hover::before { background: var(--accent); transform: rotate(-45deg); }
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: #C5D2CD; }
.feature-card .card-index { position: absolute; top: 36px; right: 30px; font-size: 48px; font-weight: 800; color: rgba(11,92,77,0.12); line-height: 1; letter-spacing: -0.02em; }
.feature-card h3 { font-size: 20px; font-weight: 700; color: var(--text); margin-bottom: 12px; letter-spacing: 0.01em; }
.feature-card p { font-size: 15px; color: var(--text-soft); line-height: 1.75; margin-bottom: 20px; }
.feature-card .feature-link { font-size: 14px; font-weight: 500; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; }
.feature-card .feature-link .arrow { font-size: 18px; transition: transform .2s ease; display: inline-block; }
.feature-card .feature-link:hover .arrow { transform: translateX(4px); }
.feature-card ul { list-style: none; margin: 0; }
.feature-card ul li { font-size: 14px; color: var(--text-soft); padding-left: 20px; position: relative; line-height: 2; }
.feature-card ul li::before { content: ""; position: absolute; left: 0; top: 14px; width: 8px; height: 2px; background: var(--accent); border-radius: 2px; }

/* ===== 差异化能力指标 ===== */
.metrics-band { background: linear-gradient(135deg, #F2EFE8 0%, #F7F7F4 100%); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: clamp(48px, 7vw, 72px) 0; }
.metrics-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.metric-item { position: relative; padding: 20px 10px; }
.metric-item + .metric-item::before { content: ""; position: absolute; left: -12px; top: 20%; height: 60%; width: 1px; background: var(--line); }
.metric-number { display: flex; justify-content: center; align-items: baseline; font-size: clamp(36px, 4vw, 56px); font-weight: 800; color: var(--primary); line-height: 1.1; letter-spacing: -0.02em; }
.metric-number .unit { font-size: 18px; margin-left: 4px; color: var(--text-soft); font-weight: 500; }
.metric-label { font-size: 14px; color: var(--text-soft); margin-top: 8px; line-height: 1.6; }
.metric-item { border-bottom: 2px solid transparent; transition: border-color .3s ease; }
.metric-item:hover { border-bottom-color: var(--accent); }

/* ===== 流程区 深色 ===== */
.process-band { background: var(--primary-deep); padding: var(--spacer) 0; color: #fff; position: relative; overflow: hidden; }
.process-band::after { content: ""; position: absolute; width: 500px; height: 500px; border-radius: 50%; background: radial-gradient(circle, rgba(200,164,93,0.16) 0%, transparent 70%); top: -220px; right: -140px; pointer-events: none; }
.google-process { display: block; border-radius: var(--radius-lg); overflow: hidden; }
.process-band .eyebrow-label { color: #fff; }
.process-band .eyebrow-label::after { background: rgba(255,255,255,0.2); }
.process-band .eyebrow-label .number { color: var(--accent); }
.process-band .section-title { color: #fff; text-align: left; max-width: 560px; }
.process-band .section-desc { color: rgba(255,255,255,0.7); max-width: 560px; margin-bottom: 0; }
.btn-outline-light { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,0.5); }
.btn-outline-light:hover { color: var(--accent); border-color: var(--accent); background: transparent; position: relative; top: 0; }
.process-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 56px; position: relative; }
.process-row::before { content: ""; position: absolute; top: 34px; left: 0; right: 0; height: 1px; background: rgba(255,255,255,0.15); }
.process-step { position: relative; padding: 32px 20px 20px 0; z-index: 2; }
.process-step .step-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); margin-bottom: 20px; border: 2px solid rgba(255,255,255,0.2); box-shadow: 0 0 0 8px rgba(200,164,93,0.14); }
.process-step .step-label { font-size: 14px; color: var(--accent); letter-spacing: 0.06em; margin-bottom: 8px; display: block; }
.process-step h3 { font-size: 18px; font-weight: 600; color: #fff; margin-bottom: 10px; }
.process-step p { font-size: 14px; color: rgba(255,255,255,0.6); line-height: 1.7; }
.btn-background-light { background: var(--accent); color: var(--primary-deep); font-weight: 600; }
.btn-background-light:hover { background: #D9B97F; color: var(--primary-deep); }
.btn-background-light { background: var(--accent); }
.btn-background-light:hover { background: #ddbf8a; }

/* ===== 适用场景 ===== */
.scenario-band { background: var(--bg); padding: var(--spacer) 0; }
.scenario-list { display: flex; flex-direction: column; gap: 16px; margin-top: 24px; }
.scenario-item { display: flex; align-items: flex-start; gap: 24px; padding: 28px 32px; border-radius: var(--radius-lg); background: var(--card-bg); border: 1px solid var(--line); transition: box-shadow .3s ease, border-color .3s ease; }
.scenario-item:hover { box-shadow: var(--shadow-hover); border-color: #C5D2CD; }
.scenario-index { flex-shrink: 0; font-size: 36px; font-weight: 800; color: rgba(11,92,77,0.18); width: 60px; line-height: 1; }
.scenario-content { flex: 1; }
.scenario-content h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; color: var(--text); }
.scenario-content p { font-size: 15px; color: var(--text-soft); line-height: 1.75; margin-bottom: 8px; }
.scenario-content .tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.tag { display: inline-flex; align-items: center; padding: 2px 12px; background: rgba(11,92,77,0.07); color: var(--primary); font-size: 13px; border-radius: 999px; font-weight: 500; line-height: 1.8; }
.scenario-media { flex-shrink: 0; border-radius: var(--radius-sm); overflow: hidden; width: 196px; height: 96px; object-fit: cover; border: 1px solid var(--line); background: #eee; }

/* ===== FAQ ===== */
.faq-section { background: #F2EFE8; padding: var(--spacer) 0; }
.faq-layout { display: flex; gap: 64px; }
.faq-intro { flex: 0 0 260px; position: sticky; top: 100px; align-self: flex-start; }
.faq-list-wrap { flex: 1; }
.faq-item { background: transparent; border: none; border-bottom: 1px solid var(--line); padding: 0; }
.faq-item .accordion-title { display: flex; justify-content: space-between; align-items: center; width: 100%; background: none; border: none; padding: 22px 0; font-size: 17px; font-weight: 600; color: var(--text); cursor: pointer; text-align: left; font-family: inherit; transition: color .2s ease; }
.faq-item .accordion-title:hover { color: var(--primary); }
.faq-item .accordion-title .faq-key { color: var(--accent); display: inline-flex; justify-content: center; align-items: center; width: 20px; margin-right: 12px; font-size: 14px; flex-shrink: 0; font-weight: 700; }
.faq-item .accordion-title .plus-mark { width: 22px; height: 22px; flex-shrink: 0; display: inline-flex; align-items: center; justify-content: center; border-radius: 50%; border: 1px solid var(--line); font-size: 16px; color: var(--text-soft); transition: all .3s ease; }
.faq-item .faq-panel { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.faq-item .faq-panel .faq-body { padding: 0 0 22px; color: var(--text-soft); font-size: 15px; line-height: 1.8; padding-left: 32px; }
.faq-item.open .accordion-title { color: var(--primary); }
.faq-item.open .plus-mark { transform: rotate(45deg); border-color: var(--primary); color: var(--primary); background: rgba(11,92,77,0.06); }

/* ===== 联系 CTA ===== */
.site-cta { padding: clamp(48px, 7vw, 88px) 0; background: var(--primary); color: #fff; cursor: pointer; border: 0; }
.site-cta .cta-row { display: flex; justify-content: space-between; align-items: center; gap: 40px; flex-wrap: wrap; }

/* ===== 底部 CTA 轻量区块在正文流程里，用 flex 布局融入 .cta-row 下方引用 */
.page-cta-strip { padding: 36px 0; background: #FFFFFF; border-top: 1px solid var(--line); }
.page-cta-strip .inner-wrap { display: flex; justify-content: space-between; align-items: center; gap: 32px; flex-wrap: wrap; }
.page-cta-strip .strip-title { font-size: 20px; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.page-cta-strip .strip-desc { font-size: 15px; color: var(--text-soft); }
.page-cta-strip .strip-action { flex-shrink: 0; }

/* ===== footer ===== */
.site-footer { background: var(--primary-deep); color: rgba(255,255,255,0.72); padding: 72px 0 0; }
.site-footer .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.footer-top { display: grid; grid-template-columns: 1.4fr 0.8fr 1fr 1fr; gap: 48px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,0.12); }
.footer-brand { font-size: 20px; font-weight: 700; color: #fff; letter-spacing: 0.03em; display: flex; align-items: center; gap: 10px; padding-bottom: 16px; }
.footer-brand { color: #fff; }
.footer-top p { line-height: 1.7; color: rgba(255,255,255,0.6); font-size: 14px; }
.footer-col-title { font-size: 15px; font-weight: 600; color: #fff; margin: 24px 0 16px; letter-spacing: 0.04em; display: flex; align-items: center; gap: 8px; }
.footer-col-title::before { content: ""; width: 10px; height: 2px; background: var(--accent); display: inline-block; flex-shrink: 0; }
.footer-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-list a { font-size: 14px; color: rgba(255,255,255,0.64); line-height: 1.5; transition: color .2s ease, padding-left .2s ease; }
.footer-list a:hover { color: var(--accent); padding-left: 4px; }
.footer-top > div:first-child .footer-brand { margin-bottom: 12px; }
.footer-contact { font-size: 14px; line-height: 1.9; color: rgba(255,255,255,0.64); }
.footer-bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding: 24px 0 28px; font-size: 13px; color: rgba(255,255,255,0.5); margin-top: 0; border-top: none; }

/* ===== 联系区块 ===== */
.contact-section { padding: var(--spacer) 0; background: var(--bg); }
.contact-grid { display: flex; gap: 40px; flex-wrap: wrap; }
.contact-info { flex: 1; min-width: 300px; }
.contact-form-wrap { flex: 1; min-width: 300px; background: var(--card-bg); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 36px; }
.form-label { display: block; font-size: 14px; font-weight: 500; color: var(--text); margin-bottom: 8px; }
.form-control { width: 100%; height: 48px; border: 1px solid #DDE2DF; border-radius: var(--radius-input); padding: 0 16px; margin-bottom: 20px; font-size: 15px; background: #FCFCFB; transition: border-color .2s ease, box-shadow .2s ease; font-family: inherit; }
textarea.form-control { height: auto; padding: 14px 16px; min-height: 90px; resize: vertical; }
.form-control:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(11,92,77,0.12); background: #fff; }
.form-success { color: var(--primary); background: rgba(11,92,77,0.06); padding: 12px 16px; border-radius: 8px; display: none; font-size: 14px; margin-bottom: 20px; }

/* ===== 内容列表空态 ===== ===== */
.empty-state { clear: both; display: flex; align-items: center; justify-content: center; min-height: 120px; flex-direction: column; gap: 10px; border: 1px dashed var(--line); border-radius: var(--radius-lg); background: rgba(255,255,255,0.55); color: var(--text-soft); font-size: 15px; }

/* ===== scroll top 通用 ===== */
.scroll-top-btn { position: fixed; right: 24px; bottom: 32px; width: 44px; height: 44px; border-radius: 50%; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; opacity: 1; transition: all .3s ease; z-index: 90; }
.scroll-top-btn:hover { background: var(--primary-deep); }

/* ===== 各版块 end ===== */

/* ===== responsive ===== */
@media screen and (max-width: 1023px) {
  .desktop-nav { display: none; }
  .mobile-toggle { display: flex; }
  .header-cta .btn { display: none; }
  .site-header { background: #fff; border-bottom-color: var(--line); }
  .desktop-nav { display: flex; flex-direction: column; position: fixed; top: 72px; left: 0; right: 0; background: #fff; padding: 20px 24px 24px; gap: 12px; box-shadow: 0 30px 30px rgba(0,0,0,0.06); border-bottom: 1px solid var(--line); transform: translateY(-140%); transition: transform .35s ease; }
  .desktop-nav.open { display: flex; flex-direction: column; position: fixed; top: 72px; left: 0; right: 0; background: #fff; }
  .desktop-nav.open { transform: translateY(0); visibility: visible; opacity: 1; }
  body.main-nav-open { overflow: hidden; }
  .desktop-nav.open .nav-link { padding: 14px 16px; }
  .desktop-nav .nav-link.active::after { display: none; }
  .nav-link.active { background: rgba(11,92,77,0.06); border-radius: 8px; }
  .feature-grid { grid-template-columns: 1fr; }
  .metrics-row { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .metric-item::before { display: none !important; }
  .process-row { grid-template-columns: repeat(2, 1fr); gap: 32px 20px; row-gap: 44px; }
  .process-row::before { display: none; }
  .process-step { padding-right: 0; }
  .scenario-item { padding: 24px 20px; }
  .scenario-media { width: 100%; height: 180px; margin-top: 16px; flex-basis: 100%; order: 3; }
  .scenario-index { font-size: 32px; width: 48px; }
  .faq-layout { flex-direction: column; gap: 20px; }
  .faq-intro { flex: 0 0 auto; position: static; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; padding-bottom: 40px; }
  .footer-top > div:first-child { grid-column: span 2; }
  .page-hero { padding-top: 130px; }
  .contact-grid { flex-direction: column; }
}
@media screen and (max-width: 767px) {
  .desktop-nav.open .nav-link { padding: 14px 24px; font-size: 16px; }
  .page-hero { padding: 120px 0 56px; }
  .page-hero .breadcrumb { margin-bottom: 16px; }
  .page-hero h1 { font-size: 30px; }
  .page-hero .lead { font-size: 15px; line-height: 1.7; }
  .section-block { padding: 56px 0; }
  .section-title { font-size: 26px; margin-bottom: 14px; }
  .section-desc { margin-bottom: 32px; }
  .metrics-row { gap: 8px; }
  .metric-item { padding: 16px 6px; }
  .metric-label { font-size: 13px; }
  .process-row { grid-template-columns: 1fr 1fr; gap: 32px 16px; }
  .process-step h3 { font-size: 16px; }
  .process-step p { font-size: 13px; }
  .feature-card { padding: 28px 22px; }
  .feature-grid { grid-template-columns: 1fr; gap: 20px; }
  .scenario-item { padding: 20px 16px; flex-wrap: wrap; gap: 12px; }
  .scenario-index { width: 100%; }
  .scenario-media { height: 160px; }
  .footer-top { grid-template-columns: 1fr; }
  .footer-top > div:first-child { grid-column: auto; }
  .metric-item::before { display: none; }
  .metrics-row { padding-bottom: 20px; }
  .process-step .step-label { margin-top: 0; }
  .metric-number { font-size: 32px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 24px; }
  .footer-top > div:first-child { padding-bottom: 8px; }
}

/* mobile nav handling */
.desktop-nav { transition: transform .3s ease, opacity .3s ease; }
@media screen and (max-width: 1023px) {
  .desktop-nav { visibility: hidden; opacity: 0; transform: translateY(-16px); gap: 8px; display: flex; padding: 24px 24px 28px; }
  .desktop-nav.open { visibility: visible; opacity: 1; transform: translateY(0); }
}

/* ===== phone strip in page 覆盖端 ===== */
.scenario-item blockquote { background: #fff; border-left: 4px solid var(--accent); padding: 20px 24px; border-radius: 8px; margin-top: 28px; }
.hl-text { color: var(--primary); font-weight: 600; }

@media screen and (max-width: 520px) {
  .desktop-nav.open .nav-link { font-size: 15px; }
  .header-inner { padding: 0 16px; }
}
@media screen and (max-width: 1023px) {
  .desktop-nav { position: fixed; top: 72px; left: 0; right: 0; background: #fff; padding: 24px 20px 32px; border-bottom: 1px solid var(--line); height: auto; max-height: calc(100vh - 72px); overflow-y: auto; z-index: 99; }
  .desktop-nav .nav-link { display: block; padding: 12px 16px; font-size: 16px; border-radius: 8px; }
  .desktop-nav .nav-link:hover { background: rgba(11,92,77,0.06); }
  .nav-link.active { background: rgba(11,92,77,0.06); color: var(--primary); font-weight: 600; }
  .nav-link.active::after { display: none; }
}

/* footer 快捷和分类在同一导航下 */

.site-cta .btn-outline-light { border-color: rgba(255,255,255,0.5); }

@media (min-width: 1024px) {
  .site-cta .btn-outline-light { border-color: rgba(255,255,255,0.42); }
}

/* roulang page: article */
:root{
  --primary:#0B5C4D;
  --deep:#08362F;
  --accent:#C8A45D;
  --ink:#15231E;
  --ink2:#3D4A45;
  --muted:#66746F;
  --page:#F7F7F4;
  --white:#FFFFFF;
  --line:#E3E7E3;
  --soft:#EDF1EE;
  --shadow:0 8px 30px rgba(8,42,34,0.10);
  --r-lg:16px;
  --r-md:12px;
  --r-sm:8px;
  --container:1240px;
  --header-h:72px;
  --radius-pill:999px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol,dl,dd,p,h1,h2,h3,h4,h5,h6,figure,blockquote{margin:0}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
input,textarea,select,button{font:inherit}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:28px;
  padding-right:28px;
}
.container.wide{max-width:1380px}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 28px;
  border-radius:var(--radius-pill);
  border:1px solid transparent;
  font-weight:600;
  font-size:15px;
  white-space:nowrap;
  transition:all .25s ease;
  cursor:pointer;
  background:transparent;
}
.btn i{font-size:13px;transition:transform .25s ease}
.btn:hover i{transform:translateX(3px)}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--deep);transform:translateY(-1px)}
.btn-gold{background:var(--accent);color:var(--deep)}
.btn-gold:hover{background:#b89247;transform:translateY(-1px)}
.btn-outline{border-color:rgba(255,255,255,.5);color:#fff}
.btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-light{background:#fff;color:var(--primary);border-color:#fff}
.btn-light:hover{background:#f0f3f0;transform:translateY(-1px)}

/* 头部导航 */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  height:var(--header-h);
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom:1px solid transparent;
  transition:background .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.site-header.scrolled{
  background:#fff;
  border-bottom-color:var(--line);
  box-shadow:0 8px 30px rgba(8,42,34,.05);
}
.header-inner{
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.brand-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:20px;
  font-weight:800;
  letter-spacing:.02em;
  color:var(--primary);
  flex-shrink:0;
}
.brand-logo span{
  width:38px;
  height:38px;
  border-radius:10px;
  background:linear-gradient(135deg,var(--primary),#0f7a68);
  display:inline-block;
  position:relative;
}
.brand-logo span::before{
  content:"";
  width:10px;
  height:10px;
  border-radius:3px;
  background:var(--accent);
  position:absolute;
  right:8px;
  bottom:8px;
}
.desktop-nav{
  display:flex;
  align-items:center;
  gap:30px;
}
.nav-link{
  position:relative;
  font-weight:500;
  font-size:16px;
  color:var(--ink2);
  padding:24px 2px 18px;
  transition:color .2s ease;
}
.nav-link:hover{color:var(--primary)}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;
  bottom:12px;
  width:100%;
  height:2px;
  border-radius:3px;
  background:var(--primary);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .25s ease;
}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--primary)}
.header-cta{flex-shrink:0}
.mobile-toggle{
  display:none;
  width:44px;
  height:44px;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  gap:5px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:10px;
  cursor:pointer;
  padding:0;
}
.mobile-toggle span{width:20px;height:2px;background:var(--ink);border-radius:3px;transition:all .3s ease}
@media(max-width:1023px){
  .desktop-nav,.site-header .header-cta{display:none}
  .mobile-toggle{display:inline-flex}
  .site-header.menu-open{
    background:#fff;
  }
}

/* 移动抽屉 */
.mobile-menu{
  position:fixed;
  top:0;
  right:0;
  width:min(420px,100%);
  height:100vh;
  background:#fff;
  box-shadow:-12px 0 40px rgba(8,42,34,.08);
  transform:translateX(100%);
  transition:transform .35s cubic-bezier(.2,.8,.2,1);
  z-index:120;
  display:flex;
  flex-direction:column;
  padding:22px 26px 30px;
  overflow-y:auto;
}
.mobile-menu.open{transform:translateX(0)}
.mobile-menu-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:22px;
  border-bottom:1px solid var(--line);
  margin-bottom:26px;
}
.mobile-menu-nav{
  display:flex;
  flex-direction:column;
  gap:4px;
}
.mobile-menu-nav .nav-link{
  font-size:17px;
  padding:14px 16px;
  border-radius:10px;
}
.mobile-menu-nav .nav-link:hover,.mobile-menu-nav .nav-link.active{background:#f2f6f4}
.mobile-menu-nav .nav-link::after{display:none}
.mobile-menu-cta{
  margin-top:auto;
  padding-top:32px;
  border-top:1px solid var(--line);
}
.menu-mask{
  position:fixed;
  inset:0;
  background:rgba(8,42,34,.32);
  opacity:0;
  visibility:hidden;
  transition:all .35s ease;
  z-index:110;
}
.menu-mask.show{opacity:1;visibility:visible}
.close-menu{
  width:42px;
  height:42px;
  border-radius:50%;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink);
  cursor:pointer;
  font-size:16px;
}
.close-menu:hover{color:var(--primary);border-color:var(--primary)}

/* 文章顶部 */
.article-hero{
  position:relative;
  overflow:hidden;
  background:linear-gradient(118deg,rgba(8,54,47,.96) 0%,rgba(11,92,77,.9) 52%,rgba(8,54,47,.82) 100%),url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding:clamp(58px,7vw,92px) 0 clamp(56px,6vw,84px);
  color:#fff;
}
.article-hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(300px,420px);
  gap:40px;
  align-items:start;
}
.article-breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.62);
  margin-bottom:24px;
}
.article-breadcrumb a{color:rgba(255,255,255,.88);transition:color .2s}
.article-breadcrumb a:hover{color:var(--accent)}
.article-breadcrumb i{font-style:normal;color:rgba(255,255,255,.4);font-size:12px}
.article-breadcrumb .current{color:#fff;max-width:380px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.article-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:5px 13px;
  border:1px solid rgba(255,255,255,.25);
  border-radius:var(--radius-pill);
  font-size:13px;
  letter-spacing:.04em;
  color:var(--accent);
  margin-bottom:20px;
}
.article-kicker::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--accent)}
.article-hero h1{
  font-size:clamp(28px,4vw,50px);
  font-weight:700;
  line-height:1.35;
  letter-spacing:.01em;
  margin-bottom:18px;
  max-width:18em;
}
.article-hero-desc{
  font-size:16px;
  line-height:1.9;
  color:rgba(255,255,255,.78);
  max-width:60ch;
}
.article-hero-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
  margin-top:26px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.14);
}
.meta-item{
  display:inline-flex;
  align-items:center;
  gap:7px;
  color:rgba(255,255,255,.72);
  font-size:13px;
  padding:6px 13px;
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--radius-pill);
}
.meta-item i{color:var(--accent);font-size:12px}
.meta-item .cat-text{color:#fff;font-weight:500}
.article-hero-cover{
  border-radius:20px;
  overflow:hidden;
  box-shadow:0 24px 50px rgba(0,0,0,.28);
  aspect-ratio:4/3;
  background:linear-gradient(140deg,#0e6b58,var(--deep));
  position:relative;
  display:flex;
}
.article-hero-cover img{width:100%;height:100%;object-fit:cover;opacity:.86}
.hero-cover-badge{
  position:absolute;
  right:16px;
  bottom:16px;
  background:rgba(8,54,47,.78);
  border:1px solid rgba(255,255,255,.18);
  color:#fff;
  padding:7px 16px;
  border-radius:999px;
  font-size:13px;
  letter-spacing:.04em;
  backdrop-filter:blur(6px);
}

/* 正文主体 */
.article-section{
  padding:clamp(54px,7vw,96px) 0;
}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 360px;
  gap:44px;
  align-items:start;
}
.article-main{
  min-width:0;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:clamp(26px,4vw,56px);
}
.article-body{
  font-size:16.5px;
  line-height:1.9;
  color:var(--ink);
  word-break:break-word;
}
.article-body > * + *{margin-top:1.1em}
.article-body p{line-height:1.95}
.article-body strong{font-weight:700;color:var(--deep)}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:4px;text-decoration-color:rgba(11,92,77,.3);transition:all .2s}
.article-body a:hover{color:var(--deep);text-decoration-color:var(--deep)}
.article-body h2{
  font-size:clamp(21px,2.6vw,30px);
  font-weight:700;
  color:var(--deep);
  line-height:1.5;
  margin:2.2em 0 1em;
  padding-left:16px;
  border-left:4px solid var(--primary);
  border-radius:2px;
}
.article-body h3{
  font-size:clamp(18px,2vw,22px);
  font-weight:700;
  color:var(--primary);
  margin:1.9em 0 .9em;
}
.article-body h4{font-size:17px;font-weight:700;margin:1.6em 0 .7em}
.article-body ul,.article-body ol{padding-left:1.4rem}
.article-body ul li,.article-body ol li{margin:.55em 0;position:relative}
.article-body ul li::marker{color:var(--accent)}
.article-body ul li::marker,.article-body ol li::marker{font-weight:600}
.article-body blockquote{
  border-left:4px solid var(--accent);
  background:#FBF9F4;
  padding:20px 26px;
  border-radius:0 12px 12px 0;
  color:var(--ink2);
  font-size:16px;
  font-style:normal;
  margin:1.6em 0;
}
.article-body blockquote p{margin:0 0 .5em}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:1.6em auto}
.article-body figure{margin:1.8em 0}
.article-body figure img{border-radius:12px}
.article-body figcaption{
  text-align:center;
  color:var(--muted);
  font-size:13px;
  margin-top:8px;
}
.article-body pre{
  background:var(--deep);
  color:#dde9e2;
  border-radius:12px;
  padding:22px;
  overflow-x:auto;
  font-size:13.5px;
  line-height:1.8;
  font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
.article-body code{
  background:#eef3f0;
  border:1px solid #dde6e0;
  padding:2px 7px;
  border-radius:5px;
  font-size:.92em;
  font-family:"SFMono-Regular",Consolas,Menlo,monospace;
  color:var(--primary);
  word-break:break-all;
}
.article-body pre code{
  background:transparent;
  border:none;
  padding:0;
  color:inherit;
  font-size:inherit;
}
.article-body hr{
  border:none;
  height:1px;
  background:var(--line);
  margin:2.4em 0;
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:1.6em 0;
  font-size:14.5px;
  border:1px solid var(--line);
}
.article-body th{
  background:#f4f8f5;
  color:var(--deep);
  text-align:left;
  font-weight:700;
}
.article-body th,.article-body td{padding:12px 16px;border:1px solid var(--line)}
.article-body tr:nth-child(even) td{background:#fafcfa}
.article-footer-links{
  margin-top:44px;
  padding-top:26px;
  border-top:1px solid var(--line);
  display:flex;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
}

/* 空文章 */
.no-article{
  background:#fff;
  border:1px dashed #d7dfda;
  border-radius:16px;
  padding:80px 24px;
  text-align:center;
}
.no-article-icon{
  width:68px;
  height:68px;
  margin:0 auto 20px;
  border-radius:50%;
  background:#f2f6f4;
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--primary);
  font-size:26px;
}
.no-article h2{color:var(--deep);font-size:22px;margin-bottom:10px}
.no-article p{color:var(--muted);max-width:360px;margin:0 auto 24px}

/* 侧边栏 */
.article-side{
  position:sticky;
  top:calc(var(--header-h) + 24px);
  display:flex;
  flex-direction:column;
  gap:20px;
}
.side-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:24px 22px;
}
.side-card-title{
  font-size:15px;
  font-weight:700;
  color:var(--deep);
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
  padding-bottom:14px;
  border-bottom:1px solid var(--line);
  letter-spacing:.03em;
}
.side-card-title i{color:var(--primary)}
.side-summary{
  color:var(--ink2);
  font-size:14px;
  line-height:1.95;
  display:-webkit-box;
  -webkit-line-clamp:6;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.side-card-actions{
  display:grid;
  gap:10px;
}
.side-card-actions .btn{width:100%;height:44px;font-size:14px}
.side-note{
  margin-top:12px;
  background:#fbf9f4;
  border-radius:10px;
  padding:13px 14px;
  font-size:13px;
  color:var(--ink2);
  display:flex;
  gap:8px;
}
.side-note i{color:var(--accent);margin-top:4px}
.back-home-box{
  background:linear-gradient(135deg,#0e6b58,var(--deep));
  border-radius:var(--r-lg);
  padding:26px 22px;
  color:#fff;
  text-align:center;
}
.back-home-box h3{font-size:17px;margin-bottom:8px}
.back-home-box p{font-size:13px;color:rgba(255,255,255,.75);line-height:1.8;margin-bottom:18px}
.back-home-box .btn{box-shadow:0 10px 20px rgba(0,0,0,.12)}

/* 副栏CTA */
.sub-cta{
  padding:0 0 clamp(56px,7vw,84px);
}
.sub-cta-inner{
  background:linear-gradient(120deg,rgba(8,54,47,.98),rgba(11,92,77,.92)),url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-radius:20px;
  padding:clamp(34px,5vw,66px) clamp(24px,5vw,70px);
  color:#fff;
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(220px,340px);
  gap:32px;
  align-items:center;
}
.sub-cta h2{
  font-size:clamp(21px,3vw,32px);
  line-height:1.5;
  font-weight:700;
  margin-bottom:10px;
  letter-spacing:.01em;
}
.sub-cta p{color:rgba(255,255,255,.72);font-size:15px;line-height:1.9}
.sub-cta p i{color:var(--accent);margin-right:4px}
.sub-cta-contact{font-size:14px;color:#fff;margin-top:6px}
.sub-cta-contact strong{color:var(--accent)}
.sub-cta-btns{display:flex;flex-direction:column;gap:12px}
.sub-cta-btns .btn{width:100%;font-size:15px;height:50px}
.sub-cta-btns .btn-light{background:#fff}
.sub-cta-btns .btn-outline:hover{background:rgba(200,164,93,.15)}

/* 页脚 */
.site-footer{
  background:var(--deep);
  color:rgba(255,255,255,.72);
  padding:70px 0 0;
}
.footer-top{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:50px;
}
.footer-brand{
  display:inline-block;
  font-size:22px;
  color:#fff;
  font-weight:800;
  margin-bottom:17px;
  letter-spacing:.02em;
}
.footer-brand small{color:var(--accent);font-weight:600;font-size:14px;margin-left:7px}
.footer-top p{max-width:300px;font-size:14px;line-height:2}
.footer-col-title{
  color:#fff;
  font-weight:700;
  font-size:15px;
  margin-bottom:17px;
  padding-bottom:10px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-list li{list-style:none;margin-bottom:12px}
.footer-list a{font-size:14px;color:rgba(255,255,255,.65);transition:all .2s}
.footer-list a:hover{color:var(--accent);padding-left:5px}
.footer-contact{
  font-size:14px;
  line-height:2.2;
}
.footer-contact span{color:rgba(255,255,255,.5);font-size:13px;margin-right:4px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0;
  display:flex;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.48);
}
@media(max-width:900px){
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:600px){
  .footer-top{grid-template-columns:1fr;gap:26px}
  .footer-bottom{justify-content:center;text-align:center}
}

/* 桌面断点与响应式 */
@media(max-width:1180px){
  .desktop-nav{gap:20px}
}
@media(max-width:1023px){
  .brand-logo{font-size:18px;gap:8px}
  .brand-logo span{width:34px;height:34px}
  .article-hero-grid{grid-template-columns:1fr}
  .article-hero-cover{display:none}
  .article-layout{grid-template-columns:1fr}
  .article-side{
    position:static;
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:18px;
  }
  .back-home-box{grid-column:span 2}
  .sub-cta-inner{grid-template-columns:1fr}
  .sub-cta-btns{flex-direction:row}
}
@media(max-width:768px){
  .article-side{grid-template-columns:1fr}
  .back-home-box{grid-column:auto}
  .container{padding-left:20px;padding-right:20px}
  .article-main{padding:24px 18px}
  .article-hero-desc{font-size:15px}
  .article-hero-meta{gap:8px}
  .article-footer-links{flex-direction:column}
  .article-footer-links .btn{width:100%}
  .sub-cta-btns{flex-direction:column}
}
@media(max-width:520px){
  .article-section{padding:44px 0}
  .article-main{border-radius:10px;padding:20px 14px}
  .article-body{font-size:16px;line-height:1.9}
  .article-body blockquote{padding:16px 18px}
  .article-body pre{padding:16px;border-radius:8px}
  .meta-item{padding:4px 9px;font-size:12px}
  .article-hero{padding-top:50px;padding-bottom:52px}
  .article-hero h1{font-size:26px}
  .footer-bottom{justify-content:center}
}

/* roulang page: category3 */
:root {
  --primary: #0B5C4D;
  --primary-dark: #08362F;
  --accent-gold: #C8A45D;
  --ink: #15231E;
  --ink-secondary: #66746F;
  --page-bg: #F7F7F4;
  --card-bg: #FFFFFF;
  --divider: #E3E7E3;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-hover: 0 8px 30px rgba(8,42,34,0.10);
  --font-size-hero: clamp(30px, 4vw, 56px);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--page-bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; width: 100%; }
a { color: var(--primary); text-decoration: none; transition: color .2s ease; }
img { max-width: 100%; height: auto; display: block; }
button { font-family: inherit; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { letter-spacing: .02em; line-height: 1.3; font-weight: 700; }

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 112px;
  padding: 10px 24px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .25s ease, border-color .25s ease, color .25s ease, transform .2s ease, box-shadow .25s ease;
  text-align: center;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.btn-primary:hover, .btn-primary:focus {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(11, 92, 77, .18);
}
.btn-primary:active { transform: translateY(0); box-shadow: none; }
.btn-outline-light {
  background: transparent;
  border: 1px solid rgba(255,255,255,.6);
  color: #fff;
}
.btn-outline-light:hover { background: rgba(255,255,255,.12); border-color: #fff; color: #fff; }
.btn-outline-dark {
  background: transparent;
  border: 1px solid var(--primary);
  color: var(--primary);
}
.btn-outline-dark:hover { background: var(--primary); color: #fff; }
.btn-accent {
  background: var(--accent-gold);
  border: 1px solid var(--accent-gold);
  color: #fff;
}
.btn-accent:hover { background: #b2924e; border: 1px solid #b2924e; color: #fff; }
.btn-lg { padding: 14px 36px; font-size: 16px; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
}

/* ========== HEADER/NAV ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247,247,244,.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: background .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.site-header.scrolled {
  background: #ffffff;
  border-color: var(--divider);
  box-shadow: 0 4px 16px rgba(0,0,0,.06);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand-logo { font-weight: 700; font-size: 20px; color: var(--primary); display: inline-flex; align-items: center; gap: 8px; letter-spacing: .01em; }
.brand-logo span { display: inline-block; width: 8px; height: 8px; border-radius: 100%; background: var(--primary); }
.brand-logo:hover { color: var(--primary-dark); }
.desktop-nav { display: flex; align-items: center; gap: 8px; }
.nav-link {
  position: relative;
  color: var(--ink);
  font-size: 15px;
  font-weight: 500;
  line-height: 1;
  padding: 10px 12px;
  border-radius: 6px;
  transition: color .2s ease, background .2s ease;
}
.nav-link:hover { background: rgba(11,92,77,.06); color: var(--primary); }
.nav-link.active { color: var(--primary); font-weight: 600; }
.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 3px;
  background: var(--primary);
  border-radius: 99px;
}
.header-cta { display: flex; }
.header-cta .btn-primary { padding: 8px 18px; min-width: 90px; font-size: 14px; }
.mobile-toggle {
  display: none;
  background: none;
  border: 0;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  cursor: pointer;
}
.mobile-toggle span { width: 22px; background: var(--ink); height: 2px; border-radius: 4px; margin-left: auto; margin-right: auto; transition: all .3s ease; }
.mobile-toggle:hover span { background: var(--primary); }
.mobile-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.mobile-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-nav {
  display: none;
  background: #fff;
  border-bottom: 1px solid var(--divider);
  padding: 12px 0 20px;
  box-shadow: 0 16px 24px rgba(0,0,0,.04);
}
.mobile-nav.is-open { display: block; }
.mobile-nav a { display: block; padding: 12px 0; border-bottom: 1px solid #F0F2F0; font-size: 16px; color: var(--ink); }
.mobile-nav a:hover { color: var(--primary); padding-left: 8px; }
.mobile-nav a.active { color: var(--primary); font-weight: 600; }
@media (max-width: 900px) {
  .desktop-nav { display: none; }
  .header-cta { display: none; }
  .mobile-toggle { display: inline-flex; }
}

/* ========== PAGE HEADER / HERO (category category3) ========== */
.category-hero {
  background-color: var(--primary-dark);
  color: #fff;
  position: relative;
  overflow: hidden;
  padding: 80px 0 70px;
  background-image: radial-gradient(circle at 78% 50%, rgba(200,164,93,.25), transparent 55%),
    linear-gradient(160deg, #08362F 10%, #0B5C4D 88%);
  background-size: cover;
  background-position: center;
}
.category-hero::after {
  content: attr(data-bg-text);
  position: absolute;
  right: 0; 
  bottom: -36px;
  font-size: clamp(100px, 19vw, 260px);
  line-height: 1;
  font-weight: 800;
  color: rgba(255,255,255,.06);
  letter-spacing: .03em;
  pointer-events: none;
  text-transform: uppercase;
  white-space: nowrap;
}
.category-hero .breadcrumb {
  font-size: 14px;
  color: rgba(255,255,255,.7);
  margin-bottom: 16px;
  position: relative;
  z-index: 2;
}
.category-hero .breadcrumb a { color: var(--accent-gold); }
.category-hero .breadcrumb a:hover { color: #fff; }
.category-hero h1 {
  font-size: var(--font-size-hero);
  color: #fff;
  line-height: 1.18;
  font-weight: 700;
  margin-bottom: 18px;
  position: relative;
  z-index: 2;
}
.category-hero .hero-desc {
  max-width: 600px;
  font-size: 17px;
  color: rgba(255,255,255,.85);
  line-height: 1.8;
  position: relative;
  z-index: 2;
}
.category-hero .hero-actions {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}
.hero-note {
  position: relative;
  z-index: 2;
  margin-top: 20px;
  font-size: 14px;
  color: rgba(255,255,255,.6);
}
@media (max-width: 768px) {
  .category-hero { padding: 56px 0 48px; }
  .category-hero .hero-actions { flex-direction: column; align-items: stretch; gap: 10px; }
  .category-hero .btn { width: 100%; }
}

/* ========== SECTION HEADGROUP ========== */
.section { padding: clamp(72px, 9vw, 120px) 0; }
.section--tint { background: #fff; }
.section--light-tint { background: var(--page-bg); }
.section--deep { background: var(--primary-dark); color: #fff; }
.sechead { margin-bottom: 48px; display: flex; align-items: flex-end; flex-wrap: wrap; gap: 18px; }
.sechead-left { flex: 1; min-width: 260px; }
.sechead-eyebrow {
  display: inline-block;
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .05em;
  margin-bottom: 10px;
  text-transform: uppercase;
}
.section--deep .sechead-eyebrow { color: var(--accent-gold); }
.sechead h2 { font-size: clamp(28px, 4vw, 42px); margin-bottom: 8px; letter-spacing: .01em; }
.sechead p.lead { color: var(--ink-secondary); font-size: 16px; line-height: 1.7; }
.section--deep .sechead p.lead { color: rgba(255,255,255,.75); }
.sechead-right { flex-shrink: 0; }
@media (max-width: 768px) {
  .secholder-right { width: 100%; }
  .section { padding: 64px 0; }
}

/* ========== SCENARIO blocks / 行业方案 ========== */
.scenario-list { display: flex; flex-direction: column; gap: 28px; }
.scenario-item {
  display: grid;
  grid-template-columns: 96px 1fr 2fr;
  background: #fff;
  border: 1px solid var(--divider);
  border-radius: var(--radius-lg);
  overflow: hidden;
  padding: 28px;
  transition: box-shadow .3s ease, border-color .3s ease, transform .3s ease;
}
.scenario-item:hover { border-color: var(--primary); box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.scenario-num { background: rgba(11, 92, 77, .08); border-radius: var(--radius-sm); width: 44px; height: 44px; display: flex; align-items: center; justify-content: center; color: var(--primary); font-size: 22px; font-weight: 700; }
.scenario-main { padding-right: 20px; }
.scenario-main h3 { font-size: 20px; margin-bottom: 6px; }
.scenario-main .tag { display: inline-block; background: rgba(11,92,77,.1); color: var(--primary); border-radius: 99px; padding: 3px 12px; font-size: 13px; margin-top: 8px; }
.scenario-desc p { font-size: 15px; color: var(--ink-secondary); line-height: 1.75; }
.scenario-item .scenario-cta { align-self: center; grid-column: 3; }
@media (max-width: 900px) {
  .scenario-item { grid-template-columns: 1fr; gap: 16px; padding: 20px; }
  .scenario-item .scenario-cta { grid-column: auto; }
}

/* ========== FEATURE corner (for 行业方案优势) ========== */
.solution-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.solution-card {
  background: var(--card-bg);
  border: 1px solid var(--divider);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: box-shadow .3s ease, transform .3s ease, border-color .3s ease;
}
.solution-card:hover { border-color: var(--primary); transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.solution-card .ic {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: rgba(11,92,77,.07);
  color: var(--primary);
  font-size: 20px;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.solution-card h3 { font-size: 19px; margin-bottom: 10px; }
.solution-card p, .solution-card li { color: var(--ink-secondary); font-size: 14px; line-height: 1.7; }
@media (max-width: 768px) { 
  .solution-grid { grid-template-columns: 1fr; }
}

/* ========== WORKFLOW / 落地阶段 ========== */
.process-wrap { display: flex; flex-wrap: wrap; gap: 32px; }
.step-item { flex: 1 1 170px; position: relative; padding-left: 10px; }
.step-item::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent-gold);
  display: block;
  margin-bottom: 16px;
}
.step-item h3 { font-size: 21px; color: #fff; margin-bottom: 10px; }
.step-item p { font-size: 14px; color: rgba(255,255,255,.7); }
.step-item .step-unit { display: block; font-size: 13px; color: var(--accent-gold); letter-spacing: .04em; margin-bottom: 4px; text-transform: uppercase; }
@media (max-width: 768px) {
  .process-wrap { gap: 28px; }
  .step-item { flex: 1 1 100%; }
}

/* ========== PAIN POINT / 适用对象 ========== */
.block-wide { background: #fff; border-radius: var(--radius-lg); border: 1px solid var(--divider); padding: 36px 40px; }
.list-checks { max-width: 100%; }
.list-checks li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 12px;
  color: var(--ink);
  line-height: 1.7;
}
.list-checks li::before {
  content: "";
  background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="18" height="18" viewBox="0 0 24 24" fill="none"><path d="M5 12.5 10 17.5 19 6.5" stroke="%230B5C4D" stroke-width="2.2" stroke-linecap="round" stroke-linejoin="round"/></svg>');
  position: absolute;
  left: 0;
  top: 4px;
  width: 18px;
  height: 18px;
}
.suitable-flex { display: flex; flex-wrap: wrap; gap: 40px; justify-content: space-between; align-items: flex-start; }
@media screen and (max-width: 700px) {
  .block-wide { padding: 24px; }
  .suitable-flex { flex-direction: column; }
}

/* ========== SIDE 卡片: 深入咨询 ========== */
.consult-banner {
  background: linear-gradient(120deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  border-radius: 20px;
  padding: 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
}
.consult-banner h3 { color: #fff; font-size: 29px; }
.consult-banner p { margin-top: 10px; color: rgba(255,255,255,.8); font-size: 15px; }
@media screen and (max-width: 700px) {
  .consult-banner { flex-direction: column; align-items: flex-start; text-align: center; padding: 32px 20px; }
}

/* ========== FAQ ========== */
.faq-listing { border-top: 1px solid var(--divider); }
.faq-item { border-bottom: 1px solid var(--divider); }
.faq-question {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  border: 0;
  background: none;
  width: 100%;
  text-align: left;
  padding: 0;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  transition: color .2s ease;
}
.faq-question span { padding-top: 20px; }
.faq-question .icq {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border: 1.5px solid var(--primary);
  border-radius: 50%;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 300;
  transition: all .3s ease;
}
.faq-question:hover { color: var(--primary); }
.faq-question[aria-expanded="true"] .icq { background: var(--primary); color: #fff; transform: rotate(45deg); }
.faq-answer { height: 0; overflow: hidden; opacity: 0; transition: opacity .25s ease; }
.faq-answer p { padding: 2px 0 26px; color: var(--ink-secondary); line-height: 1.8; max-width: 860px; font-size: 15px; }
.faq-item.row-open .faq-answer { height: auto; opacity: 1; }
@media (max-width: 768px) {
  .faq-question { height: auto; min-height: 64px; font-size: 15px; }
}
/* 用于移动端加号样式不变 */

/* ========== CTA ========== */
.section-cta { background: var(--page-bg); }
.cta-box {
  background: var(--primary);
  border-radius: 24px;
  color: #fff;
  overflow: hidden;
  position: relative;
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  box-shadow: 0 20px 50px rgba(8,42,34,.12);
}
.cta-inner { padding: 52px; position: relative; z-index: 2; }
.cta-inner h2 { color: #fff; font-size: clamp(28px, 3vw, 44px); }
.cta-inner p { margin: 12px 0 28px; color: rgba(255,255,255,.8); }
.cta-img { min-height: 220px; position: relative; }
.cta-img img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
@media (max-width: 700px) {
  .cta-box { grid-template-columns: 1fr; }
  .cta-inner { padding: 32px 24px; }
  .cta-img { position: relative; min-height: 160px; }
}
/* button group */
.btn-group { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }

/* ========== CARDS & DETAILS extras ========== */
.tag-list { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.tag {
  background: rgba(11,92,77,.06);
  color: var(--primary);
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
}
.tag:hover { background: var(--primary); color: #fff; }
.tag--footer { background: transparent; border: 1px solid rgba(255,255,255,.3); color: #fff; }

/* ========== FOOTER ========== */
.site-footer {
  background: #0A2A26;
  color: rgba(255,255,255,.8);
  padding: 60px 0 0;
  margin-top: 40px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.6fr .7fr .7fr 1fr;
  gap: 40px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255,255,255,.12);
}
.footer-brand { font-size: 20px; font-weight: 700; color: #fff; display: block; margin-bottom: 14px; }
.footer-top p { font-size: 14px; color: rgba(255,255,255,.72); max-width: 400px; }
.footer-col-title { font-size: 15px; color: #fff; font-weight: 600; margin-bottom: 18px; }
.footer-list li { margin-bottom: 12px; }
.footer-list a { color: rgba(255,255,255,.75); font-size: 14px; }
.footer-list a:hover { color: #fff; }
.footer-contact { font-size: 14px; color: rgba(255,255,255,.8); line-height: 1.9; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  color: rgba(255,255,255,.5);
  font-size: 13px;
  flex-wrap: wrap;
  gap: 8px;
}
@media (max-width: 768px) {
  .footer-top { grid-template-columns: 1fr 1fr; row-gap: 36px; }
}
@media (max-width: 520px) {
  .footer-top { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
}
@media (max-width: 1024px) {
  .cta-box { grid-template-columns: 1fr; }
}
/* generic spacing */
.section-cta--padd { padding-top: 10px; }

/* roulang page: category4 */
:root {
  --primary: #0B5C4D;
  --primary-dark: #08362F;
  --accent: #C8A45D;
  --ink: #15231E;
  --ink-soft: #66746F;
  --page-bg: #F7F7F4;
  --card-bg: #FFFFFF;
  --line: #E3E7E3;
  --radius-card: 16px;
  --radius-inner: 12px;
  --radius-btn: 999px;
  --radius-input: 8px;
  --shadow-hover: 0 8px 30px rgba(8, 42, 34, 0.10);
  --transition: all 0.3s ease;
  --content-max: 1280px;
  --space-section: clamp(4.5rem, 9vw, 7.5rem);
  --space-section-mobile: 3.5rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background-color: var(--page-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

p, h1, h2, h3, h4, h5, h6, figure, ul, ol, dl, dd, blockquote {
  margin: 0 0 1rem;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s ease;
}

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

input, textarea, select {
  font-family: inherit;
}

.container {
  max-width: var(--content-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
  width: 100%;
}

@media (max-width: 640px) {
  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: background 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  height: 72px;
  display: flex;
  align-items: center;
}

.site-header.scrolled {
  background: #ffffff;
  border-bottom: 1px solid var(--line);
  box-shadow: 0 4px 20px rgba(8, 42, 34, 0.05);
}

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

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--primary-dark);
  white-space: nowrap;
  flex-shrink: 0;
}

.brand-logo span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(200, 164, 93, 0.2);
}

.brand-logo:hover {
  color: var(--primary);
}

.brand-logo .logo-dot {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.8rem;
  font-weight: 800;
  box-shadow: 0 0 0 3px rgba(11, 92, 77, 0.1);
}

.desktop-nav {
  display: flex;
  align-items: center;
}

.desktop-nav .nav-link {
  position: relative;
  display: inline-block;
  padding: 0.55rem 0;
  margin: 0 1.4rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink);
  transition: color 0.25s ease;
}

.desktop-nav .nav-link::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary);
  border-radius: 2px;
  transform: translateX(-50%);
  transition: width 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

.desktop-nav .nav-link.active::after {
  width: 22px;
}

.header-cta {
  margin-left: 1.2rem;
  flex-shrink: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.4;
  border-radius: var(--radius-btn);
  transition: all 0.3s ease;
  white-space: nowrap;
  text-align: center;
}

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

.btn-primary:hover {
  background-color: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 5px 20px rgba(11, 92, 77, 0.25);
  color: #fff;
}

.btn-outline {
  background-color: transparent;
  color: var(--primary);
  border: 1px solid rgba(11, 92, 77, 0.4);
  backdrop-filter: blur(4px);
}

.btn-outline:hover {
  border-color: rgba(11, 92, 77, 0.7);
  background-color: rgba(255, 255, 255, 0.08);
  transform: translateY(-1px);
  color: var(--primary-dark);
}

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

.btn-light:hover {
  background-color: rgba(255, 255, 255, 0.9);
  transform: translateY(-1px);
  color: var(--primary);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

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

.btn-accent-solid:hover {
  background-color: #b5934e;
  transform: translateY(-1px);
  color: #fff;
  box-shadow: 0 6px 20px rgba(200, 164, 93, 0.3);
}

.btn-sm {
  padding: 0.48rem 1.25rem;
  font-size: 0.85rem;
}

.mobile-toggle {
  width: 44px;
  height: 44px;
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  border-radius: 8px;
}

.mobile-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--ink);
  border-radius: 2px;
  transition: all 0.3s ease;
}

@media (max-width: 1023px) {
  .desktop-nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    box-shadow: 0 8px 30px rgba(0,0,0,0.06);
    flex-direction: column;
    padding: 1.2rem 1.5rem 1.5rem;
    gap: 0.35rem;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
    transition: max-height 0.4s ease, opacity 0.3s ease, padding 0.4s ease;
    border-bottom: 1px solid var(--line);
  }

  .desktop-nav.open {
    max-height: 480px;
    opacity: 1;
    pointer-events: auto;
  }

  .desktop-nav .nav-link {
    margin: 0 0 0.35rem 0;
    padding: 0.7rem 0.5rem;
    border-bottom: 1px solid #f0f2f0;
    font-size: 1rem;
  }

  .desktop-nav .nav-link:last-child {
    border-bottom: none;
  }

  .desktop-nav .nav-link.active {
    padding-left: 0.9rem;
  }

  .header-cta {
    display: none;
  }

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

.page-hero {
  position: relative;
  padding: 5rem 0 4.5rem;
  background: var(--primary-dark);
  color: #fff;
  overflow: hidden;
  isolation: isolate;
}

.page-hero::before {
  content: "SUPPORT";
  position: absolute;
  top: -0.3em;
  left: -0.05em;
  font-size: clamp(10rem, 26vw, 22rem);
  font-weight: 800;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.1);
  z-index: -1;
  letter-spacing: 0.05em;
  pointer-events: none;
  text-transform: uppercase;
  font-family: "Helvetica Neue", Arial, sans-serif;
}

.page-hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 60%;
  height: 100%;
  background: linear-gradient(135deg, rgba(8,54,47,0) 20%, rgba(8,54,47,0.85) 100%);
  z-index: 1;
  pointer-events: none;
}

.page-hero .hero-grid {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  gap: 4rem;
}

.hero-content {
  flex: 0 0 55%;
  position: relative;
  z-index: 3;
}

.hero-content h1 {
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 1.4rem;
  letter-spacing: 0.03em;
  color: #fff;
}

.hero-sub {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.8);
  max-width: 600px;
  margin-bottom: 2rem;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  padding: 0.9rem 0;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 1.75rem;
  letter-spacing: 0.01em;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.2s ease;
}

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

.breadcrumb .sep {
  margin: 0 0.7rem;
  opacity: 0.6;
}

.page-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(200, 164, 93, 0.2);
  border: 1px solid rgba(200, 164, 93, 0.35);
  color: var(--accent);
  border-radius: var(--radius-btn);
  padding: 0.25rem 1rem;
  font-size: 0.82rem;
  margin-bottom: 1rem;
}

.data-chip {
  display: inline-flex;
  font-size: 0.8rem;
  padding: 0.2rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.45);
  color: rgba(255,255,255,0.9);
  background: rgba(255,255,255,0.08);
}

.section-block {
  padding: clamp(72px, 8vw, 120px) 0;
}

.section-label {
  display: inline-flex;
  align-items: baseline;
  gap: 0.8rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.2em;
  margin-bottom: 0.8rem;
  text-transform: uppercase;
}

.section-label .num {
  font-size: 1.15rem;
  font-weight: 700;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink);
  letter-spacing: 0.01em;
}

.section-title .text-accent {
  color: var(--primary);
}

.section-sub {
  font-size: 1.05rem;
  color: var(--ink-soft);
  line-height: 1.6;
}

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

.mt-1 {
  margin-top: 1rem;
}

.mb-3 {
  margin-bottom: 1.5rem;
}

.unit-card {
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 2rem 2rem;
  height: 100%;
  transition: var(--transition);
}

.unit-card:hover {
  border-color: rgba(11, 92, 77, 0.25);
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

.unit-card:hover .unit-arrow {
  opacity: 1;
  transform: translateX(4px);
}

.unit-card h3 {
  font-size: 1.15rem;
  margin-top: 1.4rem;
  margin-bottom: 0.5rem;
  font-weight: 700;
}

.unit-card p {
  font-size: 0.98rem;
  color: var(--ink-soft);
  line-height: 1.7;
}

.help-item {
  display: flex;
  align-items: flex-start;
  border-bottom: 1px solid var(--line);
  background: #fff;
  padding: 1.25rem 1.5rem;
  transition: var(--transition);
  border-radius: var(--radius-inner);
}

.help-item:hover {
  background: #ffffff;
  box-shadow: var(--shadow-hover);
}

.help-item .id {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--primary);
  margin-right: 1rem;
  flex-shrink: 0;
}

.help-item .content-title {
  font-size: 1.02rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.help-item .content-desc {
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.support-list-container {
  background: var(--page-bg);
  border-radius: 16px;
  padding: 0.75rem;
  border: 1px solid var(--line);
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal-fade {
  opacity: 0;
}

.reveal-fade.visible {
  animation: fadeUp 0.8s ease forwards;
}

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

.contact-cta .contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 4rem;
}

.contact-cta h2 {
  color: #fff;
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
}

.contact-form .form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-input);
  background: rgba(0, 0, 0, 0.12);
  color: #fff;
  font-size: 0.95rem;
  transition: border-color 0.3s ease;
}

.contact-form .form-control:focus {
  outline: none;
  border-color: rgba(200, 164, 93, 0.6);
  box-shadow: 0 0 0 2px rgba(200, 164, 93, 0.15);
}

.contact-form label {
  color: rgba(255,255,255,0.8);
}

.contact-info-badge {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 1rem;
}

.faq-wrap {
  margin-top: 1.8rem;
}

.faq-item {
  border-bottom: 1px solid var(--line);
  background: transparent;
  padding: 0;
  border-radius: 0;
}

.faq-q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 0;
  font-weight: 500;
  font-size: 1.02rem;
  cursor: pointer;
  color: var(--ink);
  transition: color 0.2s ease;
  background: transparent;
  width: 100%;
  min-height: 60px;
  text-align: left;
}

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

.faq-q .icon-plus {
  flex-shrink: 0;
  font-size: 1.2rem;
  color: var(--accent);
  transition: transform 0.35s ease;
  margin-left: 1rem;
}

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

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-a .inner {
  padding: 0 0 1.5rem;
  color: var(--ink-soft);
  font-size: 0.98rem;
  line-height: 1.8;
}

.site-footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.88);
  padding: 70px 0 0;
  font-size: 0.95rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 50px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 24px 0;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.6);
}

@media (max-width: 920px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 640px) {
  .section-block {
    padding: clamp(48px, 8vw, 72px) 0;
  }

  .menu-section .grid-x {
    display: block;
  }

  .contact-cta .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .menu-section .grid-x>.cell {
    margin-bottom: 1rem;
  }

  .page-hero .hero-grid {
    flex-direction: column;
    gap: 1rem;
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .hero-content {
    flex-basis: 100%;
  }
}

.hidden {
  display: none;
}

@media (max-width: 639px) {
  .clamp-px-16-mobile {
    padding-left: 1.3rem;
    padding-right: 1.3rem;
  }
}

.page-hero .hero-grid .hero-auth-img {
  background: rgba(255,255,255,0.05);
  border-radius: var(--radius-card);
  padding: 1.2rem;
  overflow: hidden;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.25rem 0.9rem;
}

.status-online {
  background: rgba(34, 197, 94, 0.15);
  color: #22c55e;
}

.status-maintenance {
  background: rgba(245, 158, 11, 0.15);
  color: #f59e0b;
}

.status-offline {
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255,255,255,0.7);
}

.stat-item .stat-number {
  font-size: 3.25rem;
  font-weight: 700;
  line-height: 1.1;
  color: #fff;
}

.stat-item .stat-chip-label {
  color: rgba(255,255,255,0.70);
  font-size: 0.85rem;
}

.faq-question-title {
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  color: var(--accent);
  font-weight: 600;
}

.mega-menu-section {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
}

.dark-title-sec {
  background: var(--primary-dark);
  color: #fff;
  padding: 4rem 0 0;
  margin-top: -0.5px;
  overflow: hidden;
}

@media print {
  .site-header, .site-footer, .faq-item .faq-q .icon-plus, .contact-cta .contact-form {
    display: none;
  }
}

body {
  display: flex;
  min-height: 100vh;
  flex-direction: column;
}

.main-wrap {
  flex: 1 0 auto;
}

.site-footer {
  flex-shrink: 0;
}

/* roulang page: category2 */
:root{
  --brand:#0B5C4D;
  --brand-dark:#08362F;
  --brand-deep:#052B25;
  --accent:#C8A45D;
  --ink:#15231E;
  --muted:#66746F;
  --bg:#F7F7F4;
  --card:#FFFFFF;
  --line:#E3E7E3;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:8px;
  --shadow-hover:0 8px 30px rgba(8,42,34,0.10);
  --shadow-soft:0 18px 44px rgba(8,42,34,0.08);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC","Helvetica Neue",Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:#0d6c5a}
p{margin:0 0 1em}
h1,h2,h3,h4,h5,h6{margin:0 0 .55em;line-height:1.3;font-weight:700;letter-spacing:.01em;color:var(--ink)}
h1{font-size:clamp(32px,4.2vw,54px)}
h2{font-size:clamp(28px,3.2vw,44px);font-weight:700;letter-spacing:.02em}
h3{font-size:20px}
::selection{background:var(--brand);color:#fff}
button,input,select,textarea{font:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 28px;width:100%}
.section{padding:clamp(72px,8vw,116px) 0}
.section-white{background:#fff}
.section-tint{background:var(--bg)}
.text-center{text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-weight:700;font-size:14px;letter-spacing:.05em;margin-bottom:16px}
.eyebrow::before{content:"";width:24px;height:1px;background:var(--accent)}
.section-head{max-width:820px;margin-bottom:52px}
.section-head h2{color:var(--ink)}
.section-head p{color:var(--muted);font-size:17px;margin:16px 0 0}
.site-header{position:sticky;top:0;z-index:200;background:rgba(255,255,255,0.94);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(227,231,227,.72);transition:box-shadow .25s ease,background .25s ease}
.site-header.is-scrolled{background:#fff;border-bottom-color:#E3E7E3;box-shadow:0 4px 22px rgba(8,54,47,.05)}
.header-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:22px;position:relative}
.brand-logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--ink);letter-spacing:.02em;flex-shrink:0}
.brand-logo span{width:11px;height:11px;border-radius:3px;background:var(--brand);transform:rotate(45deg);display:inline-block}
.brand-logo:hover{color:var(--brand)}
.desktop-nav{display:flex;align-items:center;gap:6px;margin:0 12px}
.desktop-nav .nav-link{position:relative;display:inline-flex;align-items:center;padding:9px 14px;font-size:15px;font-weight:600;color:var(--ink);border-radius:999px;transition:color .2s ease,background .2s ease}
.desktop-nav .nav-link:hover{color:var(--brand);background:#f0f4f0}
.desktop-nav .nav-link.active{color:var(--brand)}
.desktop-nav .nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;border-radius:2px;background:var(--brand)}
.header-cta{flex-shrink:0}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 28px;border-radius:999px;border:1px solid transparent;font-weight:700;font-size:15px;line-height:1;cursor:pointer;text-decoration:none;transition:all .2s ease;white-space:nowrap}
.btn-lg{min-height:54px;padding:0 34px;font-size:16px}
.btn-primary{background:var(--brand);color:#fff;border-color:var(--brand)}
.btn-primary:hover{background:#0b6d59;color:#fff;transform:translateY(-1px);box-shadow:0 6px 18px rgba(11,92,77,.22)}
.btn-gold{background:var(--accent);color:#122E2A;border-color:var(--accent)}
.btn-gold:hover{background:#d6b36c;color:#122E2A;transform:translateY(-1px);box-shadow:0 8px 20px rgba(200,164,93,.3)}
.btn-outline{background:rgba(255,255,255,0.04);color:#fff;border-color:rgba(255,255,255,.52)}
.btn-outline:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-1px)}
.mobile-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;border:0;background:transparent;border-radius:8px;cursor:pointer;padding:8px}
.mobile-toggle span{display:block;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s ease,width .25s ease}
.mobile-toggle:hover span{background:var(--brand)}
@media(max-width:1024px){
  .desktop-nav{display:flex;visibility:hidden;opacity:0;position:fixed;left:20px;right:20px;top:calc(72px + 12px);margin:0;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-soft);flex-direction:column;align-items:stretch;padding:14px;gap:4px;transform:translateY(-10px);transition:all .25s ease;z-index:180}
  .desktop-nav.open{visibility:visible;opacity:1;transform:none;display:flex}
  .desktop-nav .nav-link{display:flex;justify-content:center;padding:14px;border-radius:10px;font-size:16px}
  .desktop-nav .nav-link.active{background:#f1f6f2;color:var(--brand)}
  .desktop-nav .nav-link.active::after{display:none}
  .header-cta{display:none}
  .mobile-toggle{display:inline-flex}
}
main{display:block}
.page-hero{position:relative;overflow:hidden;padding:clamp(76px,9vw,132px) 0 84px;background:linear-gradient(112deg,rgba(7,54,45,.98) 0%,rgba(6,45,38,.93) 58%,rgba(8,48,40,.88) 100%),url("/assets/images/backpic/back-1.png") center/cover no-repeat;color:#fff}
.page-hero::after{content:"";position:absolute;width:440px;height:440px;right:-120px;bottom:-180px;border-radius:50%;border:1px solid rgba(200,164,93,.24);pointer-events:none}
.page-hero .crumb{display:flex;flex-wrap:wrap;gap:8px;font-size:14px;color:rgba(255,255,255,.72);margin-bottom:28px;position:relative;z-index:2}
.page-hero .crumb a{color:#fff;opacity:.8}
.page-hero .crumb a:hover{opacity:1;color:var(--accent)}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:clamp(40px,6vw,86px);align-items:center;position:relative;z-index:2}
.hero-title{color:#fff;font-size:clamp(32px,4.6vw,56px);line-height:1.28;letter-spacing:.02em;margin-bottom:20px}
.hero-lead{font-size:clamp(17px,1.6vw,20px);line-height:1.9;color:rgba(255,255,255,.88);max-width:590px;margin-bottom:34px}
.hero-btns{display:flex;flex-wrap:wrap;gap:16px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px;position:relative;z-index:2}
.hero-tag{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border:1px solid rgba(255,255,255,.22);border-radius:999px;color:rgba(255,255,255,.84);font-size:13px;background:rgba(255,255,255,.04)}
.hero-visual{position:relative}
.demo-frame{position:relative;border-radius:18px;overflow:hidden;border:1px solid rgba(255,255,255,.16);box-shadow:0 30px 70px rgba(3,27,23,.36);transform:perspective(1000px) rotateY(-1.5deg);background:#0d5545}
.demo-frame img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.demo-float{position:absolute;left:-22px;bottom:24px;background:rgba(255,255,255,.96);color:var(--ink);border-radius:14px;padding:16px 20px;width:220px;box-shadow:0 14px 34px rgba(0,0,0,.18);display:block}
.demo-float b{display:block;font-size:14px;margin-bottom:2px;color:var(--brand)}
.demo-float span{display:block;font-size:12px;color:var(--muted);line-height:1.5}
@media(max-width:1024px){
  .hero-grid{grid-template-columns:1fr}
  .demo-frame{max-width:480px}
}
@media(max-width:640px){
  .hero-tags{display:none}
  .page-hero{padding-top:56px}
  .demo-float{left:-8px;bottom:-22px;width:190px}
}
.feature-mini{border-top:1px solid var(--line);padding-top:26px;margin-top:24px}
.service-overview-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(34px,6vw,80px);align-items:center}
.overview-media{border-radius:18px;overflow:hidden;box-shadow:var(--shadow-soft);position:relative}
.overview-media::after{content:"";position:absolute;inset:0;border-radius:18px;border:1px solid rgba(8,54,47,.08)}
.overview-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:1.08/1}
.check-list{list-style:none;margin:0;padding:0}
.check-list li{position:relative;padding:8px 0 8px 30px;border-bottom:1px solid rgba(227,231,227,.65);font-size:15px}
.check-list li:last-child{border-bottom:0}
.check-list li::before{content:"✓";position:absolute;left:0;top:8px;width:18px;height:18px;border-radius:50%;background:#E5F0EC;color:var(--brand);font-size:11px;line-height:18px;text-align:center;font-weight:700}
@media(max-width:768px){.service-overview-grid{grid-template-columns:1fr}.overview-media{order:2}}
.cap-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.cap-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;padding:34px 32px 32px;transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease;overflow:hidden}
.cap-card::after{content:"";position:absolute;left:0;bottom:0;width:62px;height:3px;background:var(--accent);opacity:0;transition:opacity .25s ease}
.cap-card:hover{border-color:#CBD9D0;box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.cap-card:hover::after{opacity:1}
.cap-card-top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px}
.cap-no{font-weight:800;font-size:14px;color:var(--accent);letter-spacing:.08em}
.cap-link{font-size:13px;color:var(--muted);font-weight:600}
.cap-card h3{font-size:20px;margin-bottom:12px}
.cap-card p{color:var(--muted);font-size:15px;line-height:1.85;margin-bottom:18px}
.cap-feature-list{list-style:none;margin:0;padding-top:6px}
.cap-feature-list li{display:flex;gap:8px;align-items:baseline;font-size:13px;color:#38423E;padding:5px 0}
.cap-feature-list li i{color:var(--brand);font-style:normal;font-size:13px;font-weight:800}
@media(max-width:768px){
  .cap-grid{grid-template-columns:1fr;gap:16px}
  .cap-card{padding:26px 20px}
}
.dark-section{background:linear-gradient(145deg,rgba(5,41,34,.98),rgba(7,52,44,.96)),url("/assets/images/backpic/back-3.webp") center/cover no-repeat;color:#fff;position:relative;overflow:hidden}
.dark-section h2,.dark-section h3{color:#fff}
.dark-section .section-head p{color:rgba(255,255,255,.75)}
.dark-section p{color:rgba(255,255,255,.86)}
.dark-section .eyebrow{color:var(--accent)}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative}
.process-step{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:30px 24px 24px;transition:transform .25s ease,border-color .25s ease}
.process-step:hover{border-color:rgba(200,164,93,.5);transform:translateY(-4px)}
.process-index{font-size:13px;font-weight:800;letter-spacing:.08em;color:var(--accent);display:inline-block;margin-bottom:22px;border:1px solid rgba(200,164,93,.4);padding:4px 12px;border-radius:999px}
.process-step h3{font-size:18px;margin-bottom:8px}
.process-step p{font-size:14px;color:rgba(255,255,255,.72);line-height:1.72}
@media(max-width:900px){.process-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.process-grid{grid-template-columns:1fr}}
.scenario-row-list{margin:0;display:grid;grid-template-columns:1fr 1fr;gap:24px}
.scenario-row{position:relative;background:#fff;border:1px solid #E3E7E3;border-radius:16px;padding:32px 30px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.scenario-row:hover{border-color:#CBD9D0;box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.scenario-tag{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.08em;color:var(--accent);border:1px solid #E8D7AF;background:#FDF8EC;border-radius:999px;padding:4px 12px;margin-bottom:16px}
.scenario-row h3{font-size:18px}
.scenario-row p{font-size:14px;color:var(--muted);margin:8px 0 0;line-height:1.8}
@media(max-width:900px){.scenario-row-list{grid-template-columns:1fr}}
.stats-band{background:var(--brand-dark);color:#fff;position:relative;overflow:hidden}
.stats-band .eyebrow{color:var(--accent)}
.stats-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:36px;padding:clamp(30px,5vw,66px) 0}
.stat-item{position:relative;border-left:1px solid rgba(255,255,255,.15);padding-left:24px}
.stat-num{font-size:clamp(34px,3.6vw,48px);font-weight:800;color:#fff;line-height:1.2;letter-spacing:.02em}
.stat-num small{font-size:16px;color:var(--accent);margin-left:4px;font-weight:700}
.stat-label{color:rgba(255,255,255,.78);font-size:15px;margin-top:10px;display:block;line-height:1.6}
@media(max-width:1000px){.stats-inner{grid-template-columns:1fr 1fr;gap:28px}}
@media(max-width:600px){.stats-inner{grid-template-columns:1fr}.stat-item{padding-left:16px}}
.faq-layout{display:grid;grid-template-columns:420px 1fr;gap:clamp(40px,6vw,80px);align-items:start}
.faq-layout .section-head{max-width:400px;margin-bottom:0}
.faq-helper{background:#F4F5F0;border-radius:16px;padding:26px;margin-top:30px;border:1px solid var(--line)}
.faq-helper p{font-size:14px;color:var(--muted)}
.faq-helper .btn{width:100%;margin-top:12px}
.faq-accordion{list-style:none;margin:0;padding:0}
.faq-accordion .accordion-item{background:transparent;border-bottom:1px solid var(--line);margin-bottom:0;transition:background .2s ease}
.faq-accordion .accordion-item.is-active{background:rgba(11,92,77,.025)}
.faq-accordion .accordion-title{position:relative;display:block;padding:24px 50px 24px 18px;border:0;background:transparent;font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;box-shadow:none;transition:color .2s ease}
.faq-accordion .accordion-title:hover{color:var(--brand);background:transparent}
.faq-accordion .accordion-item.is-active>.accordion-title{color:var(--brand);font-weight:700}
.faq-accordion .accordion-item.is-active>.accordion-title::after{transform:rotate(135deg)}
.faq-accordion .accordion-title::after{content:"";position:absolute;right:22px;top:50%;width:11px;height:11px;border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);transform:translateY(-70%) rotate(45deg);transition:transform .25s ease,margin-bottom .25s ease;box-shadow:none}
.faq-accordion .accordion-content{background:transparent;border:0;padding:0 24px 26px 18px;box-shadow:none;line-height:1.9;color:var(--muted)}
.faq-accordion .accordion-content p{font-size:15px;margin-bottom:0}
@media(max-width:900px){.faq-layout{grid-template-columns:1fr}.faq-layout .section-head{margin-bottom:10px}}
.cta-section{background:var(--brand-dark);padding:clamp(60px,8vw,90px) 0;position:relative;overflow:hidden}
.cta-section::before{content:"";position:absolute;width:480px;height:480px;right:-110px;top:-220px;border-radius:50%;border:1px solid rgba(200,164,93,.22)}
.cta-grid{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;position:relative;z-index:2}
.cta-left{max-width:680px}
.cta-section h2{color:#fff;margin-bottom:16px}
.cta-section p{color:rgba(255,255,255,.78);font-size:16px;margin-bottom:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:16px;flex-shrink:0}
.cta-contact{display:flex;flex-wrap:wrap;gap:12px;margin-top:16px}
.cta-contact span{color:rgba(255,255,255,.7);font-size:14px;display:inline-flex;align-items:center;gap:6px;margin-right:18px}
.cta-contact span a{color:rgba(255,255,255,.9);font-weight:600}
.site-footer{background:#04221D;color:rgba(255,255,255,.72);padding:64px 0 28px}
.footer-top{display:grid;grid-template-columns:2fr .9fr 1fr 1.2fr;gap:44px;padding-bottom:48px}
.footer-brand{font-size:20px;font-weight:800;color:#fff;letter-spacing:.03em}
.footer-top p{font-size:14px;color:rgba(255,255,255,.62);line-height:1.85;margin-top:16px;max-width:340px}
.footer-col-title{color:#fff;font-weight:700;font-size:15px;margin-bottom:14px}
.footer-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.footer-list a{color:rgba(255,255,255,.68);font-size:14px;line-height:1.5}
.footer-list a:hover{color:var(--accent)}
.footer-contact{font-size:14px;color:rgba(255,255,255,.72);line-height:2}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:22px;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;color:rgba(255,255,255,.46);font-size:13px}
@media(max-width:1024px){.footer-top{grid-template-columns:1fr 1fr;gap:36px}}
@media(max-width:640px){.footer-top{grid-template-columns:1fr}.footer-bottom{flex-direction:column}}
.focus-visible:focus-visible, a:focus-visible, button:focus-visible, .accordion-title:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:5px}