/* roulang page: index */
/* ========== 设计变量 ========== */
:root {
  --primary: #2D5A3D;
  --primary-dark: #1E3D28;
  --primary-light: #4A7C5C;
  --accent: #C8A96A;
  --accent-light: #E0C994;
  --accent-lighter: #F0E4CD;
  --bg: #FBF8F3;
  --bg-alt: #F3EDE3;
  --card: #FFFFFF;
  --text: #2C2C2C;
  --text-muted: #6B6B6B;
  --text-light: #9A938A;
  --border: #E8E0D4;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 36px;
  --shadow-sm: 0 2px 10px rgba(0,0,0,0.05);
  --shadow-md: 0 8px 28px rgba(0,0,0,0.08);
  --shadow-lg: 0 18px 44px rgba(0,0,0,0.12);
  --gradient-brand: linear-gradient(135deg, #2D5A3D, #4A7C5C);
  --gradient-warm: linear-gradient(135deg, #C8A96A, #D9BC85);
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", SimSun, serif;
  --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --sidebar-w: 100px;
}

/* ========== Reset & Base ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; transition: color .25s; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }
ul, ol { list-style: none; }
input, textarea { font-family: inherit; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 32px; }
.section-pad { padding: 80px 0; }
.section-head { max-width: 680px; margin-bottom: 48px; }
.section-head .eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; letter-spacing: .08em;
  color: var(--primary); background: rgba(45,90,61,.08);
  padding: 6px 16px; border-radius: 100px; margin-bottom: 16px;
}
.section-head .eyebrow i { font-size: 12px; }
.section-head h2 {
  font-family: var(--font-serif);
  font-size: 34px; line-height: 1.3; font-weight: 700;
  color: var(--text); margin-bottom: 12px;
}
.section-head p {
  font-size: 15px; color: var(--text-muted); line-height: 1.8;
}
.section-head.center { text-align: center; margin-left: auto; margin-right: auto; }

/* ========== 按钮 ========== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 30px; border-radius: 100px;
  font-size: 15px; font-weight: 600; line-height: 1.2;
  border: 2px solid transparent; transition: all .3s ease;
  white-space: nowrap;
}
.btn i { font-size: 14px; }
.btn-primary {
  background: var(--gradient-brand); color: #fff;
  box-shadow: 0 6px 20px rgba(45,90,61,.25);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(45,90,61,.35); }
.btn-primary:active { transform: translateY(0); }
.btn-primary:focus-visible { outline: 3px solid rgba(45,90,61,.4); outline-offset: 2px; }
.btn-outline {
  background: transparent; color: var(--primary);
  border-color: rgba(45,90,61,.4);
}
.btn-outline:hover { background: rgba(45,90,61,.06); border-color: var(--primary); }
.btn-outline:active { transform: scale(.98); }
.btn-outline:focus-visible { outline: 3px solid rgba(45,90,61,.3); outline-offset: 2px; }
.btn-light {
  background: #fff; color: var(--primary-dark);
  box-shadow: 0 6px 18px rgba(0,0,0,.12);
}
.btn-light:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(0,0,0,.16); }
.btn-accent {
  background: var(--gradient-warm); color: #5B4500;
  box-shadow: 0 6px 18px rgba(200,169,106,.35);
}
.btn-accent:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(200,169,106,.45); }
.btn-lg { padding: 16px 38px; font-size: 16px; }

/* ========== 标签 / 徽章 ========== */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 14px; border-radius: 100px;
  font-size: 12px; font-weight: 600; letter-spacing: .02em;
}
.badge-green { background: rgba(45,90,61,.1); color: var(--primary); }
.badge-warm { background: rgba(200,169,106,.15); color: #8A6D2F; }
.badge-white { background: rgba(255,255,255,.9); color: var(--primary-dark); box-shadow: var(--shadow-sm); }
.data-badge {
  display: inline-flex; flex-direction: column; align-items: center; justify-content: center;
  background: var(--card); border-radius: var(--radius-md);
  padding: 18px 22px; box-shadow: var(--shadow-md); text-align: center;
  border: 1px solid var(--border);
}
.data-badge .num { font-family: var(--font-serif); font-size: 30px; font-weight: 700; color: var(--primary); line-height: 1.1; }
.data-badge .label { font-size: 13px; color: var(--text-muted); margin-top: 4px; }

/* ========== 布局：左侧App Shell ========== */
.app-sidebar {
  position: fixed; left: 0; top: 0; bottom: 0; width: var(--sidebar-w);
  background: var(--gradient-brand);
  display: flex; flex-direction: column; align-items: center;
  padding: 28px 0 22px; z-index: 1000;
}
.sidebar-logo {
  display: flex; flex-direction: column; align-items: center;
  color: #fff; margin-bottom: 40px;
}
.logo-mark {
  width: 48px; height: 48px; border-radius: 14px;
  background: var(--gradient-warm); color: #5B4500;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-serif); font-size: 24px; font-weight: 700;
  box-shadow: 0 4px 14px rgba(0,0,0,.2); margin-bottom: 10px;
}
.logo-name { font-size: 13px; font-weight: 600; letter-spacing: .04em; }
.logo-sub { font-size: 11px; opacity: .75; letter-spacing: .06em; margin-top: 2px; }
.sidebar-nav { flex: 1; display: flex; flex-direction: column; gap: 6px; width: 100%; padding: 0 16px; }
.nav-item {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  padding: 14px 10px; border-radius: 14px;
  color: rgba(255,255,255,.72); font-size: 12px; font-weight: 500;
  transition: all .3s ease;
}
.nav-item i { font-size: 18px; }
.nav-item:hover { background: rgba(255,255,255,.12); color: #fff; }
.nav-item.active { background: rgba(255,255,255,.2); color: #fff; font-weight: 600; }
.nav-item.active::after { content: ''; display: block; width: 18px; height: 3px; border-radius: 2px; background: var(--accent); }
.sidebar-foot { display: flex; gap: 6px; flex-direction: column; width: 100%; padding: 0 16px; }
.sidebar-foot a {
  display: flex; align-items: center; justify-content: center;
  width: 100%; padding: 10px 0; border-radius: 12px;
  color: rgba(255,255,255,.7); font-size: 14px; background: rgba(255,255,255,.06);
  transition: all .3s ease;
}
.sidebar-foot a:hover { background: rgba(255,255,255,.16); color: #fff; }

/* ========== 移动端头部 ========== */
.mobile-header {
  display: none; position: sticky; top: 0; z-index: 900;
  background: var(--primary-dark); color: #fff;
  padding: 0 20px; height: 60px; align-items: center; justify-content: space-between;
  box-shadow: 0 4px 16px rgba(0,0,0,.15);
}
.mobile-logo { font-family: var(--font-serif); font-size: 16px; font-weight: 700; color: #fff; }
.mobile-menu-btn {
  background: rgba(255,255,255,.14); border: none; color: #fff;
  width: 40px; height: 40px; border-radius: 10px; font-size: 18px;
  display: flex; align-items: center; justify-content: center;
  transition: background .3s;
}
.mobile-menu-btn:hover { background: rgba(255,255,255,.24); }
.mobile-menu {
  display: none; position: fixed; top: 60px; left: 0; right: 0; z-index: 950;
  background: var(--primary-dark); padding: 16px 24px 24px;
  box-shadow: 0 12px 32px rgba(0,0,0,.25); border-top: 1px solid rgba(255,255,255,.1);
}
.mobile-menu a {
  display: block; color: rgba(255,255,255,.85); font-size: 15px;
  padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,.08);
  font-weight: 500;
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a:hover { color: var(--accent-light); }
.mobile-menu a.active { color: var(--accent); }
.mobile-menu .mm-contact { font-size: 14px; color: rgba(255,255,255,.6); }

/* ========== 主内容区 ========== */
.main-wrap { margin-left: var(--sidebar-w); }
.main-wrap main { overflow: hidden; }

/* ========== Hero ========== */
.hero {
  position: relative; padding: 60px 0 80px;
  background: linear-gradient(140deg, rgba(45,90,61,.92), rgba(30,61,40,.96)), url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
  color: #fff; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; top: -60px; right: -60px;
  width: 300px; height: 300px; border-radius: 50%;
  background: rgba(200,169,106,.15); filter: blur(60px);
}
.hero::after {
  content: ''; position: absolute; bottom: -80px; left: 10%;
  width: 240px; height: 240px; border-radius: 50%;
  background: rgba(255,255,255,.06); filter: blur(40px);
}
.hero-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 0.9fr 1.1fr 0.9fr; gap: 40px; align-items: center; }
.hero-value-list { display: flex; flex-direction: column; gap: 22px; }
.hero-value-item {
  display: flex; align-items: flex-start; gap: 16px;
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-md); padding: 18px 20px;
  backdrop-filter: blur(8px); transition: background .3s, transform .3s;
}
.hero-value-item:hover { background: rgba(255,255,255,.14); transform: translateY(-2px); }
.hero-value-item .v-icon {
  width: 42px; height: 42px; flex-shrink: 0; border-radius: 12px;
  background: var(--gradient-warm); color: #5B4500;
  display: flex; align-items: center; justify-content: center; font-size: 17px;
}
.hero-value-item .v-text { font-size: 14px; line-height: 1.6; color: rgba(255,255,255,.9); font-weight: 500; }
.hero-value-item .v-text small { display: block; font-size: 12px; color: rgba(255,255,255,.6); font-weight: 400; }
.hero-stage { display: flex; flex-direction: column; align-items: center; position: relative; }
.hero-stage-photo {
  width: 100%; max-width: 440px; aspect-ratio: 1; border-radius: 50%;
  object-fit: cover; border: 6px solid rgba(255,255,255,.18);
  box-shadow: 0 24px 60px rgba(0,0,0,.35); position: relative; z-index: 2;
}
.hero-stage-rings {
  position: absolute; width: 108%; height: 108%; top: -4%; left: -4%;
  border-radius: 50%; border: 1px dashed rgba(255,255,255,.25);
  animation: spin 40s linear infinite; pointer-events: none;
}
@keyframes spin { to { transform: rotate(360deg); } }
.hero-stage-badge {
  position: absolute; z-index: 3;
  background: rgba(255,255,255,.95); color: var(--primary-dark);
  padding: 10px 20px; border-radius: 100px; font-size: 13px; font-weight: 600;
  box-shadow: var(--shadow-md); display: flex; align-items: center; gap: 8px;
}
.hero-stage-badge.tl { top: 8%; left: 2%; }
.hero-stage-badge.br { bottom: 6%; right: 0; }
.hero-stage-badge i { color: var(--accent); }
.hero-stage-caption {
  margin-top: 18px; font-size: 14px; color: rgba(255,255,255,.7);
  text-align: center; letter-spacing: .08em;
}
.hero-right { display: flex; flex-direction: column; align-items: flex-start; gap: 16px; }
.hero-right .hero-htitle {
  font-family: var(--font-serif); font-size: 15px; font-weight: 600;
  color: var(--accent-light); letter-spacing: .05em;
}
.hero-right .hero-hdesc { font-size: 14px; color: rgba(255,255,255,.75); line-height: 1.7; }
.hero-cta { display: flex; flex-direction: column; gap: 12px; width: 100%; margin-top: 8px; }
.hero-stats { display: flex; gap: 14px; margin-top: 10px; flex-wrap: wrap; }
.hero-stats .hs-item {
  background: rgba(255,255,255,.12); border-radius: 12px; padding: 10px 16px;
  text-align: center;
}
.hero-stats .hs-item .hs-num { font-family: var(--font-serif); font-size: 20px; font-weight: 700; color: var(--accent-light); }
.hero-stats .hs-item .hs-label { font-size: 11px; color: rgba(255,255,255,.65); }

/* Hero 标题区 */
.hero-title-wrap { grid-column: 1 / -1; text-align: center; margin-bottom: 12px; }
.hero-title-wrap .eyebrow {
  display: inline-block; background: rgba(255,255,255,.14);
  color: var(--accent-light); padding: 6px 20px; border-radius: 100px;
  font-size: 13px; letter-spacing: .08em; font-weight: 500; margin-bottom: 14px;
  border: 1px solid rgba(255,255,255,.2);
}
.hero-title-wrap h1 {
  font-family: var(--font-serif); font-size: 40px; font-weight: 700;
  line-height: 1.3; color: #fff; margin-bottom: 14px;
  text-shadow: 0 4px 30px rgba(0,0,0,.2);
}
.hero-title-wrap p {
  max-width: 620px; margin: 0 auto; font-size: 15px;
  color: rgba(255,255,255,.8); line-height: 1.8;
}

/* ========== 分类入口 ========== */
.category { background: var(--bg); }
.category-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.category-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 36px 28px; text-align: center; transition: all .35s ease;
  position: relative; overflow: hidden;
}
.category-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: var(--gradient-brand); transform: scaleX(0); transition: transform .4s;
  transform-origin: left;
}
.category-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.category-card:hover::before { transform: scaleX(1); }
.category-card .c-icon {
  width: 62px; height: 62px; margin: 0 auto 20px; border-radius: 18px;
  background: rgba(45,90,61,.08); color: var(--primary);
  display: flex; align-items: center; justify-content: center; font-size: 26px;
  transition: all .35s ease;
}
.category-card:hover .c-icon { background: var(--gradient-brand); color: #fff; transform: rotate(-6deg) scale(1.05); }
.category-card h3 { font-family: var(--font-serif); font-size: 18px; font-weight: 600; margin-bottom: 10px; }
.category-card p { font-size: 13px; color: var(--text-muted); line-height: 1.7; }

/* ========== 资源列表 ========== */
.services { background: var(--bg-alt); }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.service-card {
  background: var(--card); border-radius: var(--radius-lg);
  overflow: hidden; border: 1px solid var(--border);
  transition: all .35s ease;
}
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.service-card .sv-img { position: relative; overflow: hidden; aspect-ratio: 16/9; }
.service-card .sv-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.service-card:hover .sv-img img { transform: scale(1.06); }
.service-card .sv-img::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 50%;
  background: linear-gradient(transparent, rgba(0,0,0,.35));
}
.service-card .sv-img .sv-badge {
  position: absolute; top: 16px; left: 16px; z-index: 2;
  background: rgba(255,255,255,.92); color: var(--primary-dark);
  padding: 6px 14px; border-radius: 100px; font-size: 12px; font-weight: 600;
  box-shadow: var(--shadow-sm);
}
.service-card .sv-body { padding: 26px 28px 30px; }
.service-card .sv-body h3 { font-family: var(--font-serif); font-size: 20px; font-weight: 600; margin-bottom: 10px; }
.service-card .sv-body p { font-size: 14px; color: var(--text-muted); line-height: 1.8; margin-bottom: 18px; }
.service-card .sv-foot { display: flex; align-items: center; justify-content: space-between; border-top: 1px solid var(--border); padding-top: 16px; }
.service-card .sv-price { font-size: 14px; color: var(--primary); font-weight: 700; }
.service-card .sv-link { font-size: 13px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; }
.service-card .sv-link i { transition: transform .3s; }
.service-card .sv-link:hover i { transform: translateX(4px); }

/* ========== 核心亮点 ========== */
.features { background: var(--bg); }
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.feature-item {
  background: var(--card); border-radius: var(--radius-md);
  padding: 30px 26px; border: 1px solid var(--border);
  transition: all .3s ease; position: relative;
}
.feature-item:hover { box-shadow: var(--shadow-md); border-color: rgba(45,90,61,.3); transform: translateY(-3px); }
.feature-item .f-icon {
  width: 48px; height: 48px; border-radius: 14px; margin-bottom: 18px;
  background: var(--gradient-brand); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 20px;
}
.feature-item h3 { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.feature-item p { font-size: 13px; color: var(--text-muted); line-height: 1.7; }

/* ========== 数据指标 ========== */
.stats {
  position: relative; padding: 80px 0;
  background: linear-gradient(135deg, rgba(30,61,40,.94), rgba(45,90,61,.9)), url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
  color: #fff; text-align: center;
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.stats-item { padding: 30px 20px; border-radius: var(--radius-lg); background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12); transition: background .3s, transform .3s; }
.stats-item:hover { background: rgba(255,255,255,.14); transform: translateY(-4px); }
.stats-item .s-num { font-family: var(--font-serif); font-size: 42px; font-weight: 700; color: var(--accent-light); line-height: 1.1; }
.stats-item .s-label { font-size: 14px; color: rgba(255,255,255,.75); margin-top: 8px; letter-spacing: .06em; }

/* ========== 流程步骤 ========== */
.process { background: var(--bg-alt); }
.process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; counter-reset: step; }
.process-step {
  position: relative; background: var(--card); border-radius: var(--radius-lg);
  padding: 34px 26px 30px; border: 1px solid var(--border); text-align: center;
  transition: all .3s ease;
}
.process-step:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.process-step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  display: inline-block; font-family: var(--font-serif);
  font-size: 14px; font-weight: 700; color: #fff;
  background: var(--gradient-brand); padding: 4px 12px; border-radius: 100px;
  letter-spacing: .05em; margin-bottom: 16px;
}
.process-step .p-icon { font-size: 28px; color: var(--primary); margin-bottom: 14px; }
.process-step h3 { font-size: 16px; font-weight: 600; margin-bottom: 10px; }
.process-step p { font-size: 13px; color: var(--text-muted); line-height: 1.7; }

/* ========== 用户评价 ========== */
.testimonials { background: var(--bg); }
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.testimonial-card {
  background: var(--card); border-radius: var(--radius-lg); padding: 34px 30px;
  border: 1px solid var(--border); position: relative;
  transition: all .3s ease;
}
.testimonial-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.testimonial-card .quote-icon {
  color: var(--accent-lighter); font-size: 44px; margin-bottom: 14px; line-height: 1;
}
.testimonial-card blockquote { font-size: 14px; line-height: 1.8; color: var(--text); margin-bottom: 24px; }
.testimonial-card .t-author { display: flex; align-items: center; gap: 14px; }
.testimonial-card .t-avatar {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--gradient-warm); color: #5B4500;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; font-weight: 700; font-family: var(--font-serif);
}
.testimonial-card .t-name { font-size: 14px; font-weight: 600; }
.testimonial-card .t-role { font-size: 12px; color: var(--text-muted); }
.testimonial-card .t-stars { color: var(--accent); font-size: 13px; margin-left: auto; }

/* ========== 资讯区 ========== */
.news { background: var(--bg-alt); }
.news-wrap { display: grid; grid-template-columns: 1.6fr 1fr; gap: 44px; }
.news-list { display: flex; flex-direction: column; }
.news-item {
  display: block; padding: 20px 24px; border-radius: var(--radius-md);
  background: var(--card); border: 1px solid var(--border);
  margin-bottom: 14px; transition: all .3s ease; position: relative;
}
.news-item:hover { box-shadow: var(--shadow-md); border-color: rgba(45,90,61,.25); transform: translateX(4px); }
.news-item .n-date { font-size: 12px; color: var(--text-light); display: block; margin-bottom: 6px; }
.news-item .n-title { font-size: 15px; font-weight: 600; color: var(--text); line-height: 1.5; }
.news-item .n-title:hover { color: var(--primary); }
.news-item .n-excerpt { font-size: 13px; color: var(--text-muted); margin-top: 8px; line-height: 1.7; }
.news-side { display: flex; flex-direction: column; gap: 20px; }
.news-side-card {
  background: var(--card); border-radius: var(--radius-lg); padding: 28px;
  border: 1px solid var(--border);
}
.news-side-card h3 {
  font-family: var(--font-serif); font-size: 17px; font-weight: 600;
  margin-bottom: 16px; padding-bottom: 12px; border-bottom: 2px solid var(--accent-lighter);
  display: flex; align-items: center; gap: 8px;
}
.news-side-card h3 i { color: var(--accent); font-size: 15px; }
.news-side-card ul li { margin-bottom: 10px; font-size: 14px; }
.news-side-card ul li a { color: var(--text); display: flex; align-items: center; gap: 8px; }
.news-side-card ul li a::before { content: '›'; color: var(--primary); font-weight: 700; font-size: 16px; line-height: 1; }
.news-side-card ul li a:hover { color: var(--primary); }
.news-side-card ul li .side-tag { font-size: 11px; background: var(--bg-alt); padding: 2px 8px; border-radius: 4px; color: var(--text-muted); margin-left: auto; }

/* ========== FAQ ========== */
.faq { background: var(--bg); }
.faq-list { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 16px; }
.faq-item {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-md);
  overflow: hidden; transition: border-color .3s, box-shadow .3s;
}
.faq-item:hover { border-color: rgba(45,90,61,.3); }
.faq-item details { padding: 0 24px; }
.faq-item summary {
  list-style: none; cursor: pointer; padding: 22px 0;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  font-size: 16px; font-weight: 600; color: var(--text);
  transition: color .3s;
}
.faq-item summary:hover { color: var(--primary); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+'; font-size: 22px; color: var(--primary); font-weight: 400;
  width: 32px; height: 32px; flex-shrink: 0; border-radius: 50%;
  background: rgba(45,90,61,.08); display: flex; align-items: center; justify-content: center;
  transition: transform .3s, background .3s;
}
.faq-item details[open] summary::after { transform: rotate(45deg); background: var(--gradient-brand); color: #fff; }
.faq-item details[open] summary { color: var(--primary); }
.faq-answer {
  padding: 0 0 22px; font-size: 14px; color: var(--text-muted); line-height: 1.8;
}

/* ========== CTA 预约引导 ========== */
.cta-section {
  position: relative; padding: 90px 0;
  background: linear-gradient(135deg, rgba(30,61,40,.92), rgba(45,90,61,.88)), url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
  color: #fff; text-align: center; overflow: hidden;
}
.cta-section::before {
  content: ''; position: absolute; top: 20%; right: 8%; width: 180px; height: 180px;
  border-radius: 50%; border: 2px dashed rgba(255,255,255,.2); animation: spin 30s linear infinite;
}
.cta-section::after {
  content: ''; position: absolute; bottom: -50px; left: 10%; width: 220px; height: 220px;
  border-radius: 50%; background: rgba(200,169,106,.12); filter: blur(40px);
}
.cta-inner { position: relative; z-index: 2; max-width: 720px; margin: 0 auto; }
.cta-inner .eyebrow {
  display: inline-block; background: rgba(255,255,255,.14); color: var(--accent-light);
  padding: 6px 18px; border-radius: 100px; font-size: 13px; letter-spacing: .06em;
  margin-bottom: 18px; border: 1px solid rgba(255,255,255,.2);
}
.cta-inner h2 { font-family: var(--font-serif); font-size: 36px; font-weight: 700; line-height: 1.35; margin-bottom: 18px; }
.cta-inner p { font-size: 15px; color: rgba(255,255,255,.78); line-height: 1.8; margin-bottom: 32px; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 36px; }
.cta-info-bars { display: flex; justify-content: center; gap: 18px; flex-wrap: wrap; }
.cta-info-bar {
  display: flex; align-items: center; gap: 10px;
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.15);
  padding: 10px 20px; border-radius: 100px; font-size: 13px; color: rgba(255,255,255,.85);
}
.cta-info-bar i { color: var(--accent-light); }

/* ========== 页脚 ========== */
.site-footer {
  background: #1A2E20; color: rgba(255,255,255,.6); padding: 50px 0 30px;
}
.footer-inner { display: flex; flex-direction: column; gap: 18px; }
.footer-brand { display: flex; align-items: center; gap: 10px; }
.footer-brand .logo-mark { width: 40px; height: 40px; font-size: 18px; margin-bottom: 0; border-radius: 10px; }
.footer-brand .fb-text { font-family: var(--font-serif); font-size: 16px; font-weight: 600; color: #fff; }
.footer-mid { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.footer-desc { font-size: 13px; max-width: 360px; line-height: 1.7; }
.footer-links { display: flex; gap: 24px; }
.footer-links a { font-size: 13px; color: rgba(255,255,255,.55); }
.footer-links a:hover { color: var(--accent-light); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding-top: 20px; text-align: center; font-size: 12px; color: rgba(255,255,255,.35); }

/* ========== 响应式 ========== */
@media (max-width: 1200px) {
  .hero-title-wrap h1 { font-size: 34px; }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 1024px) {
  .app-sidebar { display: none; }
  .main-wrap { margin-left: 0; }
  .mobile-header { display: flex; }
  .hero { padding: 44px 0 60px; }
  .hero-inner { grid-template-columns: 1fr; gap: 26px; }
  .hero-title-wrap { order: 0; }
  .hero-stage { order: 1; }
  .hero-value-list { order: 2; flex-direction: row; flex-wrap: wrap; gap: 14px; }
  .hero-value-item { flex: 1 1 calc(33.333% - 14px); min-width: 200px; }
  .hero-right { order: 3; flex-direction: row; flex-wrap: wrap; align-items: center; gap: 14px; }
  .hero-right .hero-htitle, .hero-right .hero-hdesc { display: none; }
  .hero-cta { flex-direction: row; width: auto; }
  .hero-stats { width: 100%; }
  .hero-stage-photo { max-width: 320px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: 1fr; }
  .news-wrap { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .section-pad { padding: 56px 0; }
  .section-head h2 { font-size: 26px; }
  .category-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr; }
  .hero-title-wrap h1 { font-size: 26px; }
  .hero-title-wrap p { font-size: 14px; }
  .hero-value-item { flex-basis: 100%; }
  .hero-stage-photo { max-width: 260px; }
  .hero-cta { flex-direction: column; width: 100%; }
  .cta-buttons { flex-direction: column; width: 100%; }
  .cta-buttons .btn { width: 100%; }
  .stats-grid { gap: 16px; }
  .stats-item { padding: 24px 12px; }
  .stats-item .s-num { font-size: 32px; }
  .footer-links { flex-direction: column; gap: 10px; }
}

@media (max-width: 520px) {
  .mobile-logo { font-size: 14px; }
  .mobile-header { padding: 0 16px; }
  .hero-title-wrap h1 { font-size: 22px; }
  .hero-title-wrap .eyebrow { font-size: 11px; padding: 4px 12px; }
  .section-head h2 { font-size: 22px; }
  .process-steps { grid-template-columns: 1fr; }
  .btn { padding: 12px 20px; font-size: 14px; }
  .data-badge .num { font-size: 22px; }
}

/* 移动端菜单显示 */
.mobile-menu.show { display: block; }