/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --primary:#8A5A3B;
  --primary-dark:#6F452C;
  --primary-soft:rgba(138,90,59,.08);
  --secondary:#4A7C6A;
  --secondary-dark:#3A6656;
  --secondary-soft:#E8F0EC;
  --bg:#FAF6F0;
  --dark:#202A26;
  --dark-soft:#2B3732;
  --accent:#C9A063;
  --accent-dark:#B08A47;
  --text:#2B2B26;
  --text-sub:#6B6B64;
  --border:#E6DFD5;
  --white:#FFFFFF;
  --radius:14px;
  --radius-sm:10px;
  --radius-lg:18px;
  --shadow:0 2px 12px rgba(32,42,38,.06);
  --shadow-hover:0 10px 30px rgba(32,42,38,.10);
  --transition:all .2s ease;
  --font-main:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}

/* ============ Reset & Base ============ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  font-family:var(--font-main);
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:var(--transition);}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--text);}
ul,ol{list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

/* ============ 容器 ============ */
.container{
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media(max-width:767px){
  .container{padding-left:16px;padding-right:16px;}
}

/* ============ 通用区块标题 ============ */
.section{
  padding:88px 0;
  position:relative;
}
.section-head{
  max-width:720px;
  margin:0 auto 52px;
  text-align:center;
}
.section-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:var(--secondary);
  background:var(--secondary-soft);
  padding:5px 16px;
  border-radius:999px;
  margin-bottom:16px;
  letter-spacing:.06em;
}
.section-head .seal{
  display:inline-flex;
  width:44px;
  height:44px;
  border:2px solid rgba(138,90,59,.40);
  border-radius:50%;
  align-items:center;
  justify-content:center;
  font-family:"KaiTi","STKaiti",serif;
  font-size:20px;
  color:var(--primary);
  transform:rotate(-8deg);
  margin-right:10px;
  vertical-align:middle;
  background:transparent;
}
.section-head h2{
  font-size:clamp(24px,3vw,32px);
  line-height:1.35;
  font-weight:700;
  color:var(--text);
  letter-spacing:.02em;
}
.section-head p{
  margin-top:14px;
  font-size:16px;
  color:var(--text-sub);
  line-height:1.8;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:12px 28px;
  border-radius:10px;
  font-size:15px;
  font-weight:600;
  line-height:1.4;
  transition:var(--transition);
  border:1px solid transparent;
  white-space:nowrap;
  gap:8px;
}
.btn-primary{
  background:var(--primary);
  color:#fff;
}
.btn-primary:hover{
  background:var(--primary-dark);
  transform:translateY(-1px);
  box-shadow:var(--shadow-hover);
}
.btn-primary:active{transform:scale(.98);}
.btn-outline{
  background:transparent;
  color:var(--primary);
  border-color:var(--primary);
}
.btn-outline:hover{
  background:var(--primary-soft);
  border-color:var(--primary-dark);
  color:var(--primary-dark);
}
.btn-outline:active{transform:scale(.98);}
.btn-accent{
  background:var(--accent);
  color:#3A2A1A;
}
.btn-accent:hover{
  background:var(--accent-dark);
  color:#fff;
  transform:translateY(-1px);
  box-shadow:var(--shadow-hover);
}
.btn-accent:active{transform:scale(.98);}
.btn-lg{padding:14px 36px;font-size:16px;}
.btn-block{width:100%;}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:4px;
  padding:4px 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  background:var(--secondary-soft);
  color:var(--secondary);
  letter-spacing:.04em;
  line-height:1.5;
}
.tag{
  display:inline-flex;
  padding:3px 10px;
  border-radius:6px;
  font-size:12px;
  font-weight:500;
  background:rgba(138,90,59,.08);
  color:var(--primary);
}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;
  top:0;
  left:0;
  width:100%;
  z-index:1000;
  background:rgba(250,246,240,.82);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:var(--transition);
}
.site-header.scrolled{
  background:var(--bg);
  border-bottom-color:var(--border);
  box-shadow:0 2px 20px rgba(32,42,38,.05);
}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:38px;
  height:38px;
  border-radius:10px;
  background:var(--primary);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-family:"KaiTi","STKaiti",serif;
  font-size:19px;
  box-shadow:0 2px 8px rgba(138,90,59,.22);
}
.brand-text{
  font-size:20px;
  font-weight:700;
  color:var(--text);
  letter-spacing:.02em;
}
.nav-menu{
  display:flex;
  align-items:center;
  gap:8px;
}
.nav-menu a{
  padding:8px 16px;
  font-size:15px;
  font-weight:500;
  color:var(--text);
  border-radius:8px;
  position:relative;
}
.nav-menu a:hover{
  color:var(--primary);
  background:var(--primary-soft);
}
.nav-cta{
  margin-left:12px;
  flex-shrink:0;
}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:8px;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  border:1px solid var(--border);
  background:var(--white);
}
.nav-toggle span{
  display:block;
  width:20px;
  height:2px;
  background:var(--text);
  border-radius:2px;
  transition:var(--transition);
}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.active span:nth-child(2){opacity:0;}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

@media(max-width:991px){
  .nav-menu{
    position:fixed;
    top:72px;
    left:0;
    right:0;
    background:var(--bg);
    flex-direction:column;
    align-items:stretch;
    padding:16px 24px 24px;
    gap:4px;
    border-bottom:1px solid var(--border);
    box-shadow:0 12px 30px rgba(32,42,38,.08);
    display:none;
  }
  .nav-menu.open{display:flex;}
  .nav-menu a{
    padding:14px 16px;
    font-size:16px;
    border-radius:8px;
  }
  .nav-cta{display:none;}
  .nav-toggle{display:flex;}
}
@media(max-width:767px){
  .nav-wrap{height:64px;}
  .nav-menu{top:64px;}
  .brand-text{font-size:18px;}
}

/* ============ 面包屑预留（内页使用） ============ */
.breadcrumb-bar{
  background:var(--secondary-soft);
  padding:10px 0;
  border-bottom:1px solid var(--border);
}
.breadcrumb-bar .container{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-sub);
}
.breadcrumb-bar a{color:var(--primary);}
.breadcrumb-bar .back-link{
  display:inline-flex;
  align-items:center;
  gap:4px;
  color:var(--primary);
  font-weight:600;
  padding:4px 10px;
  border-radius:6px;
  background:rgba(138,90,59,.08);
}
.breadcrumb-bar .back-link:hover{background:rgba(138,90,59,.16);}
.breadcrumb-bar .sep{opacity:.5;}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:150px 0 96px;
  min-height:720px;
  display:flex;
  align-items:center;
  overflow:hidden;
}
.hero-bg{
  position:absolute;
  inset:0;
  background:url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
  z-index:-2;
}
.hero-bg::after{
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(105deg,rgba(250,246,240,.96) 28%,rgba(250,246,240,.84) 55%,rgba(250,246,240,.58) 100%);
  z-index:1;
}
.hero-inner{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
}
.hero-content{
  position:relative;
  z-index:2;
}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(74,124,106,.12);
  color:var(--secondary);
  font-size:13px;
  font-weight:600;
  padding:6px 16px;
  border-radius:999px;
  margin-bottom:20px;
  letter-spacing:.05em;
}
.hero-tag::before{
  content:'';
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--secondary);
}
.hero h1{
  font-size:clamp(30px,4vw,44px);
  line-height:1.28;
  font-weight:700;
  color:var(--text);
  letter-spacing:.02em;
  margin-bottom:18px;
}
.hero h1 span{
  color:var(--primary);
}
.hero-sub{
  font-size:16px;
  line-height:1.85;
  color:var(--text-sub);
  max-width:520px;
  margin-bottom:30px;
}
.hero-actions{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
  margin-bottom:36px;
}
.hero-kpi{
  display:flex;
  gap:0;
  border-top:1px solid var(--border);
  padding-top:24px;
  max-width:520px;
}
.kpi-item{
  flex:1;
  padding-right:20px;
  position:relative;
}
.kpi-item + .kpi-item{
  padding-left:20px;
}
.kpi-item + .kpi-item::before{
  content:'';
  position:absolute;
  left:0;
  top:50%;
  transform:translateY(-50%);
  width:1px;
  height:36px;
  background:var(--border);
}
.kpi-item b{
  display:block;
  font-size:28px;
  font-weight:700;
  color:var(--primary);
  line-height:1.2;
}
.kpi-item span{
  font-size:13px;
  color:var(--text-sub);
}

.hero-visual{
  position:relative;
  z-index:2;
  transform:rotate(1.4deg) translateX(10px);
}
.hero-img-wrap{
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:0 20px 60px rgba(32,42,38,.14);
  border:4px solid var(--white);
  aspect-ratio:4/3.1;
}
.hero-img-wrap img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.hero-info-card{
  margin-top:-44px;
  margin-left:auto;
  margin-right:14px;
  max-width:330px;
  position:relative;
  background:var(--white);
  border-radius:var(--radius);
  border:1px solid var(--border);
  box-shadow:var(--shadow-hover);
  padding:20px 22px;
  transform:rotate(-1.2deg);
}
.info-row{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:6px 0;
  border-bottom:1px dashed var(--border);
}
.info-row:last-of-type{border-bottom:none;}
.info-row span{
  font-size:13px;
  color:var(--text-sub);
}
.info-row b{
  font-size:14px;
  color:var(--text);
  font-weight:600;
}
.hero-badges{
  display:flex;
  gap:8px;
  margin-top:14px;
  flex-wrap:wrap;
}
.hero-badges .badge{
  background:var(--secondary-soft);
  color:var(--secondary);
}

@media(max-width:991px){
  .hero{
    padding:130px 0 72px;
    min-height:auto;
  }
  .hero-inner{
    grid-template-columns:1fr;
    gap:44px;
  }
  .hero-content{text-align:center;}
  .hero-sub{margin-left:auto;margin-right:auto;}
  .hero-actions{justify-content:center;}
  .hero-kpi{margin:0 auto;}
  .hero-visual{
    max-width:560px;
    margin:0 auto;
    transform:none;
  }
  .hero-info-card{
    margin-top:-40px;
    margin-right:10px;
    margin-left:10px;
  }
}
@media(max-width:767px){
  .hero{padding:108px 0 56px;}
  .hero-kpi{flex-wrap:wrap;gap:16px 0;}
  .kpi-item{flex:1 1 40%;}
  .kpi-item + .kpi-item::before{display:none;}
  .kpi-item:nth-child(2){padding-left:0;border-left:none;}
  .kpi-item b{font-size:24px;}
  .hero-info-card{position:relative;max-width:100%;}
}

/* ============ 服务板块 ============ */
.services{
  background:var(--bg);
}
.services-grid{
  display:grid;
  grid-template-columns:1.2fr .85fr;
  gap:28px;
}
.service-card{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  transition:var(--transition);
  box-shadow:var(--shadow);
}
.service-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-hover);
}
.service-card-img{
  aspect-ratio:16/9.5;
  overflow:hidden;
  position:relative;
}
.service-card-img img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.service-card:hover .service-card-img img{
  transform:scale(1.03);
}
.service-card-body{
  padding:24px;
}
.service-card-top{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap:12px;
  margin-bottom:10px;
}
.service-card-top h3{
  font-size:20px;
  font-weight:700;
  color:var(--text);
  line-height:1.4;
}
.service-card-top .price{
  font-size:18px;
  font-weight:700;
  color:var(--accent);
  white-space:nowrap;
}
.service-card-top .price small{
  font-size:12px;
  color:var(--text-sub);
  font-weight:400;
}
.service-card-body p{
  font-size:14px;
  color:var(--text-sub);
  line-height:1.7;
  margin-bottom:16px;
}
.service-tags{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
}
@media(max-width:991px){
  .services-grid{
    grid-template-columns:1fr;
  }
}

/* ============ 优势数据 ============ */
.data-section{
  background:var(--secondary-soft);
}
.data-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:28px;
  text-align:center;
}
.data-item{
  background:var(--white);
  border-radius:var(--radius);
  padding:36px 24px;
  border:1px solid rgba(74,124,106,.14);
  box-shadow:var(--shadow);
  transition:var(--transition);
}
.data-item:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-hover);
}
.data-item b{
  display:block;
  font-size:clamp(32px,4vw,48px);
  font-weight:700;
  color:var(--secondary);
  line-height:1.2;
  margin-bottom:8px;
}
.data-item span{
  font-size:14px;
  color:var(--text-sub);
  line-height:1.6;
}
@media(max-width:991px){
  .data-grid{grid-template-columns:repeat(2,1fr);}
}
@media(max-width:520px){
  .data-grid{gap:14px;}
  .data-item{padding:24px 14px;}
  .data-item b{font-size:30px;}
}

/* ============ 案例展示 ============ */
.cases{
  background:var(--bg);
}
.case-list{
  display:flex;
  flex-direction:column;
  gap:56px;
}
.case-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:44px;
  align-items:center;
}
.case-row.reverse .case-img{order:2;}
.case-img{
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-hover);
  aspect-ratio:16/10.5;
}
.case-img img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.case-row:hover .case-img img{transform:scale(1.02);}
.case-text h3{
  font-size:clamp(19px,2vw,24px);
  font-weight:700;
  color:var(--text);
  line-height:1.4;
  margin-bottom:14px;
}
.case-text h3::before{
  content:'「';
  color:var(--primary);
  font-weight:400;
}
.case-text h3::after{
  content:'」';
  color:var(--primary);
  font-weight:400;
}
.case-text p{
  font-size:15px;
  color:var(--text-sub);
  line-height:1.85;
  margin-bottom:18px;
}
.case-note{
  font-size:12px;
  color:rgba(107,107,100,.65);
  border-top:1px solid var(--border);
  padding-top:12px;
  letter-spacing:.02em;
}
@media(max-width:991px){
  .case-row{
    grid-template-columns:1fr;
    gap:24px;
  }
  .case-row.reverse .case-img{order:0;}
}

/* ============ 资讯 ============ */
.news{
  background:var(--secondary-soft);
}
.news-layout{
  display:grid;
  grid-template-columns:1.35fr .65fr;
  gap:36px;
  align-items:start;
}
.news-list{
  background:var(--white);
  border-radius:var(--radius);
  border:1px solid var(--border);
  box-shadow:var(--shadow);
  padding:8px 24px;
}
.news-item{
  display:flex;
  align-items:baseline;
  gap:16px;
  padding:18px 4px;
  border-bottom:1px solid var(--border);
  transition:var(--transition);
}
.news-item:last-child{border-bottom:none;}
.news-item:hover{
  background:rgba(138,90,59,.03);
}
.news-date{
  font-size:13px;
  color:var(--text-sub);
  white-space:nowrap;
  font-variant-numeric:tabular-nums;
}
.news-item a{
  font-size:15px;
  font-weight:500;
  color:var(--text);
  line-height:1.6;
}
.news-item a:hover{
  color:var(--primary);
}
.news-side{
  display:flex;
  flex-direction:column;
  gap:20px;
}
.news-card{
  background:var(--white);
  border-radius:var(--radius);
  border:1px solid var(--border);
  padding:24px;
  box-shadow:var(--shadow);
}
.news-card h3{
  font-size:16px;
  font-weight:700;
  color:var(--text);
  margin-bottom:14px;
  padding-bottom:10px;
  border-bottom:1px solid var(--border);
}
.news-card .tags-cloud{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.news-card .tags-cloud a{
  font-size:13px;
  padding:6px 14px;
  border-radius:999px;
  background:var(--secondary-soft);
  color:var(--secondary);
  font-weight:500;
}
.news-card .tags-cloud a:hover{
  background:var(--secondary);
  color:#fff;
}
.news-card p{
  font-size:14px;
  color:var(--text-sub);
  line-height:1.7;
  margin-bottom:14px;
}
.news-card .btn{
  padding:8px 18px;
  font-size:14px;
}
@media(max-width:991px){
  .news-layout{grid-template-columns:1fr;}
}

/* ============ 服务方案 ============ */
.plans{
  background:var(--bg);
}
.plans-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
  align-items:center;
}
.plan-card{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:32px 28px;
  box-shadow:var(--shadow);
  transition:var(--transition);
  position:relative;
}
.plan-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-hover);
}
.plan-card.featured{
  background:var(--dark);
  border-color:var(--dark);
  transform:scale(1.04);
  box-shadow:0 16px 44px rgba(32,42,38,.18);
  z-index:2;
}
.plan-card.featured:hover{
  transform:scale(1.04) translateY(-3px);
}
.plan-flag{
  position:absolute;
  top:-14px;
  left:50%;
  transform:translateX(-50%);
  background:var(--accent);
  color:#3A2A1A;
  font-size:12px;
  font-weight:700;
  padding:4px 16px;
  border-radius:999px;
  white-space:nowrap;
  box-shadow:0 3px 10px rgba(201,160,99,.35);
}
.plan-name{
  font-size:22px;
  font-weight:700;
  color:var(--text);
  margin-bottom:6px;
  letter-spacing:.02em;
}
.plan-card.featured .plan-name{color:#fff;}
.plan-for{
  font-size:13px;
  color:var(--text-sub);
  background:var(--bg);
  display:inline-block;
  padding:3px 12px;
  border-radius:999px;
  margin-bottom:18px;
}
.plan-card.featured .plan-for{
  background:rgba(255,255,255,.12);
  color:rgba(255,255,255,.82);
}
.plan-list{
  margin-bottom:24px;
}
.plan-list li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  color:var(--text-sub);
  line-height:1.7;
  padding:5px 0;
}
.plan-card.featured .plan-list li{color:rgba(255,255,255,.78);}
.plan-list li svg{
  flex-shrink:0;
  margin-top:4px;
  color:var(--secondary);
}
.plan-card.featured .plan-list li svg{color:var(--accent);}
.plan-price{
  font-size:26px;
  font-weight:700;
  color:var(--primary);
  margin-bottom:18px;
}
.plan-card.featured .plan-price{color:var(--accent);}
.plan-price small{
  font-size:13px;
  font-weight:400;
  color:var(--text-sub);
}
.plan-card.featured .plan-price small{color:rgba(255,255,255,.6);}
@media(max-width:991px){
  .plans-grid{
    grid-template-columns:1fr;
    max-width:520px;
    margin:0 auto;
  }
  .plan-card.featured{
    transform:scale(1);
    order:-1;
  }
  .plan-card.featured:hover{transform:scale(1) translateY(-3px);}
}

/* ============ FAQ ============ */
.faq{
  background:var(--bg);
}
.faq-list{
  max-width:840px;
  margin:0 auto;
}
.faq-item{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius);
  margin-bottom:12px;
  overflow:hidden;
  transition:var(--transition);
}
.faq-item:hover{
  border-color:rgba(138,90,59,.28);
}
.faq-q{
  width:100%;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  padding:20px 24px;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  text-align:left;
  background:transparent;
  transition:var(--transition);
}
.faq-q:hover{color:var(--primary);}
.faq-item.active .faq-q{color:var(--primary);}
.faq-icon{
  width:28px;
  height:28px;
  flex-shrink:0;
  border-radius:50%;
  border:1px solid var(--border);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  transition:transform .25s ease;
  color:var(--text-sub);
  font-size:16px;
  line-height:1;
}
.faq-item.active .faq-icon{
  background:var(--primary);
  color:#fff;
  border-color:var(--primary);
  transform:rotate(45deg);
}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease;
}
.faq-a-inner{
  padding:0 24px 22px;
  font-size:15px;
  color:var(--text-sub);
  line-height:1.8;
}
.faq-item.active .faq-a{
  max-height:400px;
}
.faq-item.active .faq-a-inner{
  padding-top:2px;
}

/* ============ 联系预约 ============ */
.contact{
  background:var(--secondary-soft);
}
.contact-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:36px;
  align-items:stretch;
}
.contact-form{
  background:var(--white);
  border-radius:var(--radius-lg);
  border:1px solid var(--border);
  padding:32px;
  box-shadow:var(--shadow);
}
.form-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
}
.form-group{
  margin-bottom:18px;
}
.form-group label{
  display:block;
  font-size:14px;
  font-weight:600;
  color:var(--text);
  margin-bottom:8px;
}
.form-group input,
.form-group select,
.form-group textarea{
  width:100%;
  min-height:46px;
  padding:10px 14px;
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  background:var(--bg);
  font-size:15px;
  color:var(--text);
  transition:var(--transition);
}
.form-group textarea{
  min-height:110px;
  resize:vertical;
  line-height:1.6;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(138,90,59,.12);
  background:#fff;
}
.form-group select{
  appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238A5A3B' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 14px center;
  padding-right:36px;
}
.form-error{
  display:none;
  font-size:13px;
  color:#C0473B;
  margin-top:6px;
}
.form-error.show{display:block;}
.form-success{
  display:none;
  margin-top:16px;
  padding:14px 16px;
  border-radius:var(--radius-sm);
  background:var(--secondary-soft);
  border:1px solid rgba(74,124,106,.3);
  color:var(--secondary);
  font-size:14px;
  font-weight:500;
  line-height:1.6;
}
.form-success.show{display:block;}
@media(max-width:767px){
  .form-row{grid-template-columns:1fr;}
}

.contact-info-card{
  background:var(--dark);
  border-radius:var(--radius-lg);
  padding:36px 32px;
  color:rgba(255,255,255,.82);
  display:flex;
  flex-direction:column;
  gap:0;
  position:relative;
  overflow:hidden;
}
.contact-info-card::after{
  content:'茶';
  position:absolute;
  right:16px;
  bottom:10px;
  font-family:"KaiTi","STKaiti",serif;
  font-size:140px;
  color:rgba(255,255,255,.05);
  pointer-events:none;
  line-height:1;
}
.contact-info-card h3{
  font-size:22px;
  color:#fff;
  font-weight:700;
  margin-bottom:6px;
}
.contact-info-card > p{
  font-size:14px;
  color:rgba(255,255,255,.65);
  margin-bottom:24px;
}
.contact-info-item{
  display:flex;
  gap:14px;
  padding:14px 0;
  border-bottom:1px solid rgba(255,255,255,.09);
  align-items:flex-start;
}
.contact-info-item:last-of-type{border-bottom:none;}
.contact-info-item svg{
  flex-shrink:0;
  margin-top:3px;
  color:var(--accent);
}
.contact-info-item b{
  display:block;
  font-size:14px;
  font-weight:600;
  color:#fff;
  margin-bottom:2px;
}
.contact-info-item span{
  font-size:14px;
  color:rgba(255,255,255,.65);
  line-height:1.6;
}
.qr-placeholder{
  margin-top:20px;
  border:1px dashed rgba(255,255,255,.22);
  border-radius:12px;
  padding:20px;
  text-align:center;
}
.qr-box{
  width:96px;
  height:96px;
  margin:0 auto 10px;
  background:repeating-linear-gradient(45deg,#fff 0 4px,rgba(255,255,255,.78) 4px 8px);
  border-radius:8px;
  position:relative;
  overflow:hidden;
}
.qr-box::before{
  content:'';
  position:absolute;
  inset:20px;
  background:var(--dark);
  border-radius:4px;
}
.qr-placeholder p{
  font-size:13px;
  color:rgba(255,255,255,.6);
  margin:0;
}
@media(max-width:767px){
  .contact-grid{grid-template-columns:1fr;}
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--dark);
  color:rgba(255,255,255,.68);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.3fr .8fr 1fr;
  gap:48px;
  padding-top:72px;
  padding-bottom:48px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand .brand{
  margin-bottom:14px;
}
.footer-brand .brand-text{
  color:#fff;
}
.footer-brand p{
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.58);
  margin-top:16px;
}
.footer-col h4{
  font-size:16px;
  color:#fff;
  font-weight:600;
  margin-bottom:18px;
  letter-spacing:.03em;
}
.footer-col ul li{
  padding:5px 0;
}
.footer-col ul a{
  font-size:14px;
  color:rgba(255,255,255,.62);
  transition:var(--transition);
}
.footer-col ul a:hover{
  color:var(--accent);
  padding-left:4px;
}
.footer-contact li{
  display:flex;
  gap:10px;
  font-size:14px;
  color:rgba(255,255,255,.62);
  padding:5px 0;
  line-height:1.7;
}
.footer-contact li svg{
  flex-shrink:0;
  margin-top:4px;
  color:var(--accent);
}
.footer-bottom{
  padding:22px 0;
}
.footer-bottom .container{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.45);
}
@media(max-width:991px){
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media(max-width:767px){
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-top:56px;}
  .footer-bottom .container{justify-content:center;text-align:center;}
}

/* ============ 动画 ============ */
@keyframes fadeUp{
  from{opacity:0;transform:translateY(20px);}
  to{opacity:1;transform:translateY(0);}
}
.hero-content,.hero-visual,.section-head,.service-card,.data-item,.case-row,.plan-card,.faq-item,.news-item,.contact-form,.contact-info-card{
  animation:fadeUp .6s ease both;
}
.hero-visual{animation-delay:.12s;}
.service-card:nth-child(2){animation-delay:.08s;}
.service-card:nth-child(3){animation-delay:.16s;}
.service-card:nth-child(4){animation-delay:.24s;}
.faq-item:nth-child(2){animation-delay:.05s;}
.faq-item:nth-child(3){animation-delay:.1s;}
.faq-item:nth-child(4){animation-delay:.15s;}
.faq-item:nth-child(5){animation-delay:.2s;}
.faq-item:nth-child(6){animation-delay:.25s;}

/* ============ 响应式补充 ============ */
@media(max-width:520px){
  .section{padding:56px 0;}
  .section-head{margin-bottom:36px;}
  .section-head h2{font-size:22px;}
  .hero h1{font-size:29px;}
  .hero-actions .btn{width:100%;}
  .btn-lg{padding:13px 20px;}
  .service-card-top{flex-direction:column;gap:4px;}
  .plan-card{padding:26px 20px;}
  .contact-form{padding:24px 18px;}
  .contact-info-card{padding:28px 22px;}
}