/* roulang page: index */
/* ============ 设计变量 ============ */
:root {
  --primary: #1B2B21;
  --primary-strong: #B98A44;
  --accent: #6E8B6E;
  --bg-dark: #14241C;
  --bg-light: #F4EFE6;
  --text-dark: #222A24;
  --text-muted: #6B726C;
  --border-light: #E5DCCB;
  --border-dark: rgba(255, 255, 255, .14);
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow: 0 20px 40px rgba(20, 36, 28, .08);
  --transition: .3s ease-out;
  --container: 1200px;
}

/* ============ Reset / Base ============ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-dark);
  background: var(--bg-light);
  overflow-x: hidden;
}
img {
  max-width: 100%;
  display: block;
  object-fit: cover;
}
a {
  text-decoration: none;
  color: inherit;
  transition: color .25s ease;
}
ul, ol {
  list-style: none;
}
button {
  border: none;
  background: none;
  font-family: inherit;
  cursor: pointer;
}
input, select, textarea {
  font-family: inherit;
  font-size: 15px;
  outline: none;
}
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ============ 按钮 ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .03em;
  transition: all var(--transition);
  border: 1px solid transparent;
  white-space: nowrap;
  line-height: 1.4;
}
.btn-primary {
  background: var(--primary-strong);
  color: #14241C;
  border-color: var(--primary-strong);
}
.btn-primary:hover {
  background: #c99a54;
  border-color: #c99a54;
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(185, 138, 68, .25);
}
.btn-primary:active {
  transform: translateY(0);
}
.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, .5);
}
.btn-outline:hover {
  border-color: var(--primary-strong);
  color: var(--primary-strong);
  transform: translateY(-2px);
}
.btn-outline-dark {
  background: transparent;
  color: var(--text-dark);
  border-color: var(--primary-strong);
}
.btn-outline-dark:hover {
  background: rgba(185, 138, 68, .08);
  color: var(--primary-strong);
  transform: translateY(-2px);
}

/* ============ 徽章 / 标签 ============ */
.badge {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .04em;
  border: 1px solid var(--primary-strong);
  color: var(--primary-strong);
  background: rgba(185, 138, 68, .06);
}
.badge-light {
  border-color: rgba(255, 255, 255, .35);
  color: rgba(255, 255, 255, .85);
  background: rgba(255, 255, 255, .06);
}
.badge-dark {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* ============ Header ============ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: transparent;
  transition: background .35s ease, box-shadow .35s ease, backdrop-filter .35s ease;
}
.site-header.scrolled {
  background: rgba(20, 36, 28, .94);
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 30px rgba(20, 36, 28, .2);
}
.header-inner {
  display: flex;
  flex-direction: column;
}
.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0 10px;
}
.logo a {
  font-size: 20px;
  font-weight: 900;
  color: #fff;
  letter-spacing: .04em;
  white-space: nowrap;
}
.logo a:hover {
  color: var(--primary-strong);
}
.main-nav ul {
  display: flex;
  gap: 32px;
}
.main-nav a {
  color: rgba(255, 255, 255, .8);
  font-size: 15px;
  font-weight: 500;
  position: relative;
  padding: 4px 0;
}
.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-strong);
  transition: width .3s ease;
}
.main-nav a:hover, .main-nav a.active {
  color: #fff;
}
.main-nav a:hover::after, .main-nav a.active::after {
  width: 100%;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.search-toggle {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, .1);
  color: #fff;
  transition: background .3s ease;
}
.search-toggle:hover {
  background: rgba(255, 255, 255, .2);
}
.search-toggle svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
}
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.menu-toggle span {
  width: 22px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform .3s ease, opacity .3s ease;
}

/* 子导航 */
.sub-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0 14px;
  border-top: 1px solid rgba(255, 255, 255, .08);
  gap: 24px;
}
.category-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
}
.category-tabs::-webkit-scrollbar {
  display: none;
}
.category-tabs a, .category-tabs span {
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 13px;
  color: rgba(255, 255, 255, .7);
  background: rgba(255, 255, 255, .05);
  white-space: nowrap;
  transition: all .25s ease;
}
.category-tabs a:hover, .category-tabs span.active {
  background: var(--primary-strong);
  color: #14241C;
}
.hot-tags {
  display: flex;
  gap: 12px;
  font-size: 13px;
  color: rgba(255, 255, 255, .6);
  white-space: nowrap;
}
.hot-tags a {
  color: rgba(255, 255, 255, .6);
  transition: color .25s;
}
.hot-tags a:hover {
  color: var(--primary-strong);
}

/* ============ 移动端菜单 ============ */
.mobile-drawer {
  display: none;
  position: fixed;
  top: 0;
  right: -320px;
  width: 280px;
  height: 100vh;
  background: var(--bg-dark);
  z-index: 1100;
  padding: 30px 24px;
  transition: right .4s ease;
  overflow-y: auto;
}
.mobile-drawer.open {
  right: 0;
}
.drawer-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, .5);
  z-index: 1050;
  opacity: 0;
  transition: opacity .4s;
}
.drawer-overlay.show {
  display: block;
  opacity: 1;
}
.mobile-drawer .drawer-logo {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 24px;
}
.mobile-drawer nav ul {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.mobile-drawer nav a {
  display: block;
  padding: 12px 0;
  color: rgba(255, 255, 255, .8);
  font-size: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, .06);
}
.mobile-drawer nav a.active {
  color: var(--primary-strong);
}
.mobile-drawer .drawer-search {
  margin-top: 24px;
}
.mobile-drawer .drawer-search input {
  width: 100%;
  height: 44px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, .2);
  background: rgba(255, 255, 255, .06);
  color: #fff;
  padding: 0 16px;
}
.mobile-drawer .drawer-search input::placeholder {
  color: rgba(255, 255, 255, .4);
}
.drawer-close {
  position: absolute;
  top: 18px;
  right: 18px;
  color: #fff;
  font-size: 24px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .1);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ============ Hero ============ */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding: 150px 0 60px;
  background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(20, 36, 28, .93) 0%, rgba(20, 36, 28, .68) 55%, rgba(20, 36, 28, .35) 100%);
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 60px;
  background: var(--bg-light);
  clip-path: polygon(0 100%, 100% 100%, 100% 0, 0 100%);
  z-index: 2;
}
.hero .container {
  position: relative;
  z-index: 3;
  width: 100%;
}
.hero-content {
  max-width: 760px;
}
.hero-tag {
  display: inline-block;
  padding: 6px 20px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .05em;
  color: #fff;
  background: rgba(185, 138, 68, .25);
  border: 1px solid rgba(185, 138, 68, .5);
  margin-bottom: 28px;
  text-transform: uppercase;
}
.hero h1 {
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 900;
  line-height: 1.15;
  color: #fff;
  margin-bottom: 24px;
  letter-spacing: .02em;
}
.hero-desc {
  font-size: 18px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .85);
  max-width: 600px;
  margin-bottom: 36px;
}
/* 拼团进度卡 */
.hero-group {
  background: rgba(20, 36, 28, .72);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 18px;
  padding: 28px 32px;
  margin-bottom: 36px;
  max-width: 560px;
  backdrop-filter: blur(6px);
}
.group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  flex-wrap: wrap;
  gap: 8px;
}
.group-header .group-count {
  font-size: 32px;
  font-weight: 900;
  color: var(--primary-strong);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}
.group-header .group-label {
  color: rgba(255, 255, 255, .8);
  font-size: 14px;
}
.group-header .group-target {
  font-size: 12px;
  color: rgba(255, 255, 255, .5);
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .08);
}
.progress-track {
  height: 6px;
  border-radius: 3px;
  background: rgba(255, 255, 255, .1);
  overflow: hidden;
  margin-bottom: 10px;
}
.progress-fill {
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--primary-strong), #d9a560);
  animation: growBar 1.2s ease-out .6s both;
  transform-origin: left;
  width: 72%;
}
.group-note {
  font-size: 12px;
  color: rgba(255, 255, 255, .5);
  display: flex;
  justify-content: space-between;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
/* 滚动公告条 */
.hero-ticker {
  position: absolute;
  bottom: 20px;
  left: 0;
  right: 0;
  z-index: 4;
  background: rgba(20, 36, 28, .8);
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding: 12px 0;
  overflow: hidden;
  backdrop-filter: blur(8px);
}
.ticker-track {
  display: flex;
  gap: 48px;
  white-space: nowrap;
  animation: tickerMove 40s linear infinite;
}
.ticker-track span {
  color: rgba(255, 255, 255, .7);
  font-size: 13px;
  letter-spacing: .04em;
}
.ticker-track span i {
  color: var(--primary-strong);
  font-style: normal;
  margin-right: 6px;
}

/* ============ 通用Section ============ */
.section {
  padding: 110px 0;
  position: relative;
}
.section-light {
  background: var(--bg-light);
}
.section-dark {
  background: var(--bg-dark);
  color: #fff;
}
.section-head {
  margin-bottom: 60px;
}
.section-head .overlabel {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary-strong);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 12px;
  display: block;
}
.section-head h2 {
  font-size: clamp(28px, 4vw, 46px);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 16px;
  color: var(--text-dark);
}
.section-dark .section-head h2 {
  color: #fff;
}
.section-head p {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 640px;
  line-height: 1.8;
}
.section-dark .section-head p {
  color: rgba(255, 255, 255, .65);
}

/* ============ 服务板块 ============ */
.services-wrap {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: start;
}
.services-left {
  position: sticky;
  top: 120px;
}
.services-left .section-num {
  font-size: 64px;
  font-weight: 900;
  color: transparent;
  -webkit-text-stroke: 1px var(--primary-strong);
  line-height: 1;
  display: block;
  margin-bottom: 20px;
  font-variant-numeric: tabular-nums;
}
.services-left h2 {
  font-size: clamp(26px, 3.4vw, 40px);
  font-weight: 800;
  margin-bottom: 18px;
  color: var(--text-dark);
}
.services-left p {
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 28px;
}
.services-right {
  display: grid;
  gap: 24px;
}
.service-card {
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  gap: 24px;
  align-items: flex-start;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--primary-strong);
  opacity: 0;
  transition: opacity .3s ease;
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: rgba(185, 138, 68, .3);
}
.service-card:hover::before {
  opacity: 1;
}
.service-card .card-badge {
  position: absolute;
  top: 18px;
  right: 18px;
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(185, 138, 68, .1);
  color: var(--primary-strong);
  border: 1px solid rgba(185, 138, 68, .25);
  font-weight: 600;
  letter-spacing: .03em;
}
.service-card .service-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--primary-strong);
}
.service-card .service-icon svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.service-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-dark);
}
.service-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 0;
}
.service-card .service-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary-strong);
  margin-top: 14px;
  transition: gap .3s ease;
}
.service-card .service-link:hover {
  gap: 10px;
}

/* ============ 数据栏 ============ */
.stats-section {
  background: var(--bg-dark) url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
  position: relative;
}
.stats-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(20, 36, 28, .92);
}
.stats-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-left: 1px solid var(--border-dark);
}
.stat-item {
  padding: 48px 36px;
  border-right: 1px solid var(--border-dark);
  text-align: center;
  transition: background .3s ease;
}
.stat-item:hover {
  background: rgba(255, 255, 255, .03);
}
.stat-num {
  font-size: 56px;
  font-weight: 900;
  color: var(--primary-strong);
  line-height: 1.1;
  margin-bottom: 12px;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}
.stat-label {
  font-size: 16px;
  font-weight: 600;
  color: rgba(255, 255, 255, .95);
  margin-bottom: 6px;
}
.stat-note {
  font-size: 13px;
  color: rgba(255, 255, 255, .5);
  line-height: 1.5;
}

/* ============ 案例 / 证言 ============ */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.case-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--border-light);
  transition: all var(--transition);
  position: relative;
}
.case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.case-card .case-media {
  position: relative;
  height: 280px;
  overflow: hidden;
}
.case-card .case-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.case-card:hover .case-media img {
  transform: scale(1.03);
}
.case-card .case-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(20, 36, 28, .45), transparent 60%);
}
.case-num {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(20, 36, 28, .8);
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: 999px;
  padding: 4px 14px;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  z-index: 2;
  letter-spacing: .05em;
}
.case-body {
  padding: 24px 28px;
}
.case-body h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
}
.case-body .case-meta {
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}
.case-body .case-meta .dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--primary-strong);
}

/* ============ 流程方案 ============ */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-bottom: 80px;
  position: relative;
}
.process-steps::before {
  content: '';
  position: absolute;
  top: 32px;
  left: 15%;
  right: 15%;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--primary-strong) 0 6px, transparent 6px 12px);
  opacity: .35;
}
.process-step {
  text-align: center;
  position: relative;
  z-index: 2;
}
.step-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--primary);
  border: 2px solid var(--primary-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  color: var(--primary-strong);
  font-size: 22px;
  font-weight: 700;
  transition: transform .3s ease, box-shadow .3s ease;
}
.process-step:hover .step-icon {
  transform: scale(1.08);
  box-shadow: 0 0 0 8px rgba(185, 138, 68, .1);
}
.process-step h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}
.process-step p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* 套餐卡 */
.plans-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1.1fr;
  gap: 24px;
}
.plan-card {
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: all var(--transition);
  position: relative;
}
.plan-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.plan-card .plan-tag {
  position: absolute;
  top: 18px;
  right: 18px;
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(185, 138, 68, .1);
  color: var(--primary-strong);
  border: 1px solid rgba(185, 138, 68, .25);
  font-weight: 600;
}
.plan-card h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 6px;
}
.plan-card .plan-desc {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.plan-card .plan-meta {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
  font-size: 14px;
  color: var(--text-muted);
  flex-wrap: wrap;
}
.plan-card .plan-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.plan-card .plan-meta svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: var(--primary-strong);
  stroke-width: 2;
  stroke-linecap: round;
}
.plan-card .plan-price {
  font-size: 30px;
  font-weight: 900;
  color: var(--text-dark);
  margin-bottom: 20px;
}
.plan-card .plan-price small {
  font-size: 14px;
  font-weight: 400;
  color: var(--text-muted);
}
.plan-card .btn {
  width: 100%;
}
.plan-card.featured {
  background: var(--primary);
  border-color: var(--primary-strong);
  color: #fff;
  transform: scale(1.02);
}
.plan-card.featured h3, .plan-card.featured .plan-price {
  color: #fff;
}
.plan-card.featured .plan-desc, .plan-card.featured .plan-meta {
  color: rgba(255, 255, 255, .7);
}
.plan-card.featured .plan-tag {
  background: var(--primary-strong);
  color: #14241C;
  border-color: var(--primary-strong);
}
.plan-card.featured:hover {
  transform: scale(1.02) translateY(-4px);
  box-shadow: 0 20px 50px rgba(20, 36, 28, .25);
}

/* ============ FAQ ============ */
.faq-wrap {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 60px;
  align-items: start;
}
.faq-left {
  position: sticky;
  top: 120px;
}
.faq-left h2 {
  font-size: clamp(26px, 3.4vw, 40px);
  font-weight: 800;
  margin-bottom: 18px;
  color: var(--text-dark);
}
.faq-left p {
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 28px;
}
.faq-left .faq-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--primary-strong);
  transition: gap .3s ease;
}
.faq-left .faq-cta:hover {
  gap: 14px;
}
.faq-list {
  border-top: 1px solid var(--border-light);
}
.faq-item {
  border-bottom: 1px solid var(--border-light);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 4px;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-dark);
  text-align: left;
  background: none;
  transition: color .3s ease, padding-left .3s ease;
}
.faq-question:hover {
  color: var(--primary-strong);
  padding-left: 6px;
}
.faq-question .faq-arrow {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform .3s ease, background .3s ease, border-color .3s ease;
}
.faq-question .faq-arrow svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
}
.faq-item.active .faq-question {
  color: var(--primary-strong);
  font-weight: 700;
}
.faq-item.active .faq-arrow {
  transform: rotate(45deg);
  background: var(--primary-strong);
  border-color: var(--primary-strong);
  color: #14241C;
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease, padding .4s ease;
  padding: 0 4px;
}
.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 4px 24px;
}
.faq-answer p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-muted);
}

/* ============ 资讯区 ============ */
.news-wrap {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 48px;
  align-items: start;
}
.news-list {
  border-top: 1px solid var(--border-light);
}
.news-item {
  display: flex;
  gap: 20px;
  padding: 22px 0;
  border-bottom: 1px solid var(--border-light);
  transition: padding-left .3s ease;
}
.news-item:hover {
  padding-left: 8px;
}
.news-item .news-date {
  font-size: 13px;
  color: var(--text-muted);
  white-space: nowrap;
  padding-top: 4px;
  font-variant-numeric: tabular-nums;
}
.news-item .news-body h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--text-dark);
  line-height: 1.5;
}
.news-item .news-body h3 a:hover {
  color: var(--primary-strong);
}
.news-item .news-body p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-side {
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 28px;
}
.news-side h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-light);
  position: relative;
}
.news-side h3::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 40px;
  height: 3px;
  background: var(--primary-strong);
  border-radius: 2px;
}
.side-card {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border-light);
  align-items: center;
}
.side-card:last-child {
  border-bottom: none;
}
.side-card .side-thumb {
  width: 64px;
  height: 48px;
  border-radius: 8px;
  overflow: hidden;
  flex-shrink: 0;
}
.side-card .side-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.side-card .side-info h4 {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text-dark);
}
.side-card .side-info h4 a:hover {
  color: var(--primary-strong);
}
.side-card .side-info .side-tag {
  font-size: 12px;
  color: var(--primary-strong);
  margin-top: 2px;
}
.side-hot-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}
.side-hot-tags a {
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 12px;
  background: var(--bg-light);
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  transition: all .25s ease;
}
.side-hot-tags a:hover {
  background: rgba(185, 138, 68, .08);
  border-color: var(--primary-strong);
  color: var(--primary-strong);
}

/* ============ 联系 CTA ============ */
.contact-section {
  background: var(--bg-dark) url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
  position: relative;
}
.contact-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(20, 36, 28, .93);
}
.contact-wrap {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
}
.contact-info h2 {
  font-size: clamp(28px, 4vw, 46px);
  font-weight: 800;
  color: #fff;
  margin-bottom: 18px;
}
.contact-info > p {
  color: rgba(255, 255, 255, .7);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 36px;
}
.contact-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 32px;
}
.contact-list li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.contact-list .contact-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(185, 138, 68, .15);
  border: 1px solid rgba(185, 138, 68, .35);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-strong);
  flex-shrink: 0;
}
.contact-list .contact-icon svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
}
.contact-list .contact-text .label {
  font-size: 13px;
  color: rgba(255, 255, 255, .5);
}
.contact-list .contact-text .value {
  font-size: 16px;
  color: rgba(255, 255, 255, .9);
  font-weight: 500;
  line-height: 1.5;
}
.contact-mini-img {
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-top: 24px;
  max-width: 320px;
}
.contact-mini-img img {
  width: 100%;
  height: 120px;
  object-fit: cover;
}

/* 表单 */
.contact-form-wrap {
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: var(--radius-lg);
  padding: 40px;
  backdrop-filter: blur(8px);
}
.contact-form-wrap h3 {
  font-size: 24px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}
.contact-form-wrap .form-sub {
  font-size: 14px;
  color: rgba(255, 255, 255, .6);
  margin-bottom: 28px;
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-group.full {
  grid-column: 1 / -1;
}
.form-group label {
  font-size: 14px;
  color: rgba(255, 255, 255, .7);
  font-weight: 500;
}
.form-group input, .form-group select, .form-group textarea {
  height: 48px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, .18);
  background: rgba(255, 255, 255, .08);
  padding: 0 14px;
  color: #fff;
  transition: border-color .3s ease, box-shadow .3s ease;
}
.form-group textarea {
  height: auto;
  padding: 12px 14px;
  resize: vertical;
}
.form-group input::placeholder, .form-group textarea::placeholder {
  color: rgba(255, 255, 255, .35);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--primary-strong);
  box-shadow: 0 0 0 3px rgba(185, 138, 68, .15);
  outline: none;
}
.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='none' stroke='%23B98A44' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M2 4l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
}
.form-group select option {
  color: var(--text-dark);
  background: var(--bg-light);
}
.btn-submit {
  margin-top: 20px;
  width: 100%;
  height: 50px;
  border-radius: var(--radius-sm);
  background: var(--primary-strong);
  color: #14241C;
  font-size: 16px;
  font-weight: 600;
  border: none;
  transition: all var(--transition);
}
.btn-submit:hover {
  background: #c99a54;
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(185, 138, 68, .25);
}
.btn-submit:active {
  transform: translateY(0);
}

/* ============ Footer ============ */
.site-footer {
  background: #0F1D15;
  color: rgba(255, 255, 255, .7);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 50px;
}
.footer-brand .footer-logo {
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
  display: block;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, .55);
  margin-bottom: 20px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: .05em;
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col ul a {
  font-size: 14px;
  color: rgba(255, 255, 255, .55);
  transition: color .25s ease, padding-left .25s ease;
}
.footer-col ul a:hover {
  color: var(--primary-strong);
  padding-left: 4px;
}
.footer-col .footer-contact li {
  display: flex;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, .55);
  align-items: flex-start;
}
.footer-col .footer-contact li svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: var(--primary-strong);
  stroke-width: 2;
  stroke-linecap: round;
  flex-shrink: 0;
  margin-top: 3px;
}
.footer-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}
.footer-tags a {
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 12px;
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .1);
  color: rgba(255, 255, 255, .65);
  transition: all .25s ease;
}
.footer-tags a:hover {
  background: rgba(185, 138, 68, .15);
  border-color: var(--primary-strong);
  color: var(--primary-strong);
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-bottom p {
  font-size: 13px;
  color: rgba(255, 255, 255, .4);
}
.back-top {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(185, 138, 68, .2);
  border: 1px solid rgba(185, 138, 68, .4);
  color: var(--primary-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .3s ease;
}
.back-top:hover {
  background: var(--primary-strong);
  color: #14241C;
  transform: translateY(-3px);
}
.back-top svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
}

/* ============ 滚动动画 ============ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============ 响应式 ============ */
@media (max-width: 1200px) {
  .container {
    padding: 0 20px;
  }
  .main-nav ul {
    gap: 20px;
  }
}
@media (max-width: 1024px) {
  .section {
    padding: 80px 0;
  }
  .services-wrap {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .services-left {
    position: static;
  }
  .faq-wrap {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .faq-left {
    position: static;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .contact-wrap {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    border-top: 1px solid var(--border-dark);
  }
  .stat-item {
    padding: 36px 24px;
  }
  .process-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }
  .process-steps::before {
    display: none;
  }
  .plans-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }
  .news-wrap {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 768px) {
  .header-top {
    padding: 14px 0 10px;
  }
  .main-nav {
    display: none;
  }
  .search-toggle {
    display: none;
  }
  .menu-toggle {
    display: flex;
  }
  .sub-nav {
    display: none;
  }
  .site-header {
    background: rgba(20, 36, 28, .96);
    backdrop-filter: blur(10px);
  }
  .hero {
    min-height: 85vh;
    padding: 130px 0 80px;
  }
  .hero h1 {
    font-size: clamp(32px, 7vw, 46px);
  }
  .hero-desc {
    font-size: 16px;
  }
  .hero-group {
    padding: 20px;
  }
  .hero-actions .btn {
    flex: 1;
    padding: 14px 20px;
  }
  .section {
    padding: 64px 0;
  }
  .cases-grid {
    grid-template-columns: 1fr;
  }
  .case-card .case-media {
    height: 220px;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    justify-content: center;
  }
  .contact-form-wrap {
    padding: 24px;
  }
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
    border-left: none;
    overflow-x: auto;
  }
  .stat-item {
    min-width: 140px;
    padding: 24px 16px;
  }
}
@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .logo a {
    font-size: 16px;
  }
  .hero {
    padding: 120px 0 70px;
  }
  .hero h1 {
    font-size: 32px;
  }
  .hero-desc {
    font-size: 15px;
  }
  .hero-actions {
    flex-direction: column;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .process-steps {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .contact-form-wrap {
    padding: 20px;
  }
  .contact-form-wrap h3 {
    font-size: 20px;
  }
  .section-head h2 {
    font-size: 26px;
  }
}

/* ============ 动画 ============ */
@keyframes growBar {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}
@keyframes tickerMove {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* 减少动画偏好的处理 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}