/* roulang page: index */
:root{
  --color-primary:#1D5C43;
  --color-primary-800:#163F2E;
  --color-primary-light:#3E7C5E;
  --color-secondary:#D8A24A;
  --color-accent:#B85C1A;
  --color-bg:#F7F1E6;
  --color-bg-alt:#EAF0E4;
  --color-surface:#FFFFFF;
  --color-text:#22271F;
  --color-text-muted:#6B6E63;
  --color-line:#E0D8C8;
  --brand-gradient:linear-gradient(135deg,#1D5C43 0%,#3E7C5E 42%,#D8A24A 100%);
  --dark-gradient:linear-gradient(180deg,#142F22,#0D2418);
  --radius-lg:24px;
  --radius-md:16px;
  --radius-pill:999px;
  --shadow-card:0 8px 30px rgba(29,92,67,.08);
  --shadow-card-hover:0 16px 40px rgba(29,92,67,.14);
  --shadow-nav:0 4px 24px rgba(29,92,67,.08);
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-num:"DIN Alternate",Inter,system-ui;
  --container:1200px;
  --gap:24px;
  --space-section:96px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--color-text);
  background:var(--color-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--radius-md)}
a{
  color:var(--color-primary);
  text-decoration:none;
  transition:color .2s ease;
}
a:hover{color:var(--color-accent)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(216,162,74,.5);outline-offset:2px}
ul,ol{list-style:none}
button,input[type="text"],input[type="search"]{font-family:var(--font-sans);font-size:inherit;border:1px solid var(--color-line);background:var(--color-surface);color:var(--color-text)}
.container{max-width:var(--container);margin:0 auto;padding:0 20px}
section{position:relative}

/* 导航 */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(255,253,247,.82);
  backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .3s,box-shadow .3s,border-color .3s;
}
.site-header.is-scrolled{
  background:rgba(255,253,247,.97);
  border-color:var(--color-line);
  box-shadow:var(--shadow-nav);
}
.header-top{
  border-bottom:1px solid rgba(224,216,200,.5);
}
.header-top-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:60px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  color:var(--color-text);
}
.brand-logo{
  width:38px;
  height:38px;
  border-radius:12px;
  background:var(--brand-gradient);
  display:flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  flex-shrink:0;
}
.brand-logo svg{width:22px;height:22px}
.brand-name{
  font-size:24px;
  font-weight:800;
  letter-spacing:1px;
  color:var(--color-primary);
  line-height:1.2;
}
.brand-note{
  font-size:12px;
  color:var(--color-text-muted);
  border-left:1px solid var(--color-line);
  padding-left:10px;
  line-height:1.4;
  display:none;
}
@media(min-width:520px){.brand-note{display:block}}
.header-search{
  flex:1;
  display:flex;
  justify-content:flex-end;
  min-width:0;
}
.search-box{
  display:flex;
  align-items:center;
  background:var(--color-surface);
  border:1px solid var(--color-line);
  border-radius:var(--radius-pill);
  padding:4px 4px 4px 18px;
  max-width:320px;
  width:100%;
  transition:border-color .2s,box-shadow .2s;
}
.search-box:focus-within{
  border-color:var(--color-primary);
  box-shadow:0 0 0 3px rgba(29,92,67,.12);
}
.search-box svg{
  width:16px;height:16px;
  color:var(--color-text-muted);
  flex-shrink:0;
}
.search-box input{
  border:none;
  background:transparent;
  outline:none;
  padding:8px 10px;
  flex:1;
  min-width:60px;
  font-size:14px;
}
.search-box input::placeholder{color:var(--color-text-muted)}
.search-box button{
  background:var(--color-primary);
  border:none;
  color:#fff;
  border-radius:var(--radius-pill);
  padding:8px 18px;
  font-size:14px;
  font-weight:600;
  cursor:pointer;
  transition:background .2s;
  white-space:nowrap;
}
.search-box button:hover{background:var(--color-primary-800)}
.header-hot{
  display:none;
  align-items:center;
  gap:6px;
  flex-shrink:0;
}
@media(min-width:1024px){.header-hot{display:flex}}
.hot-tag{
  font-size:12px;
  font-weight:600;
  color:var(--color-text-muted);
  background:var(--color-bg-alt);
  border-radius:var(--radius-pill);
  padding:4px 12px;
  transition:background .2s,color .2s;
  white-space:nowrap;
}
a.hot-tag:hover{
  background:rgba(29,92,67,.12);
  color:var(--color-primary);
}
.nav-toggle{
  display:flex;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  background:var(--color-surface);
  border:1px solid var(--color-line);
  border-radius:12px;
  cursor:pointer;
  transition:background .2s,border-color .2s;
  flex-shrink:0;
}
.nav-toggle:hover{border-color:var(--color-primary)}
@media(min-width:900px){.nav-toggle{display:none}}
.header-nav{
  border-top:1px solid transparent;
  transition:border-color .3s;
}
.header-nav-inner{
  display:flex;
  align-items:center;
  min-height:46px;
}
.header-nav nav{
  display:flex;
  gap:4px;
  width:100%;
  overflow-x:auto;
  scrollbar-width:none;
}
.header-nav nav::-webkit-scrollbar{display:none}
.header-nav nav a{
  position:relative;
  color:var(--color-text);
  font-size:14px;
  font-weight:600;
  padding:10px 14px;
  white-space:nowrap;
  transition:color .2s;
}
.header-nav nav a::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:6px;
  height:2px;
  background:var(--color-primary);
  border-radius:2px;
  transform:scaleX(0);
  transition:transform .3s;
}
.header-nav nav a:hover{color:var(--color-primary)}
.header-nav nav a:hover::after{transform:scaleX(1)}
.header-nav nav a.active{color:var(--color-primary)}
.header-nav nav a.active::after{transform:scaleX(1)}
.nav-mobile{
  display:none;
}
@media(max-width:899px){
  .header-top-inner{gap:14px}
  .header-search{
    justify-content:flex-end;
  }
  .search-box{
    max-width:none;
    width:42px;
    padding:0;
    border-radius:50%;
    overflow:hidden;
    justify-content:center;
  }
  .search-box input{display:none}
  .search-box button{
    width:42px;
    height:42px;
    padding:0;
    border-radius:50%;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:0;
  }
  .search-box button::before{
    content:"🔍";
    font-size:16px;
  }
}
@media(max-width:899px){
  .header-nav nav{
    display:none;
  }
  .nav-mobile{
    display:block;
    background:var(--color-surface);
    border-top:1px solid var(--color-line);
    max-height:0;
    overflow:hidden;
    transition:max-height .35s ease;
  }
  .nav-mobile.open{max-height:400px;overflow-y:auto}
  .nav-mobile nav{
    display:flex;
    flex-direction:column;
    padding:12px 20px;
    gap:4px;
  }
  .nav-mobile nav a{
    display:block;
    padding:12px 14px;
    border-radius:12px;
    color:var(--color-text);
    font-weight:600;
    font-size:15px;
  }
  .nav-mobile nav a:hover,
  .nav-mobile nav a.active{
    background:var(--color-bg-alt);
    color:var(--color-primary);
  }
  .nav-mobile .m-search{
    display:flex;
    gap:8px;
    padding:12px 14px;
  }
  .nav-mobile .m-search input{
    flex:1;
    border-radius:var(--radius-pill);
    padding:10px 16px;
    border:1px solid var(--color-line);
    font-size:14px;
    outline:none;
  }
  .nav-mobile .m-search input:focus{
    border-color:var(--color-primary);
  }
  .nav-mobile .m-hot{
    display:flex;
    flex-wrap:wrap;
    gap:6px;
    padding:4px 14px 16px;
  }
  .nav-mobile .m-hot .hot-tag{
    display:inline-block;
  }
}

/* Hero */
.hero{
  position:relative;
  min-height:90vh;
  display:flex;
  align-items:flex-end;
  padding:80px 0 48px;
  overflow:hidden;
  background:var(--brand-gradient);
}
.hero-bg{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  opacity:.35;
  z-index:0;
}
.hero-overlay{
  position:absolute;
  inset:0;
  background:linear-gradient(160deg,rgba(22,63,46,.7) 0%,rgba(29,92,67,.5) 48%,rgba(216,162,74,.3) 100%);
  z-index:1;
}
.hero-content{
  position:relative;
  z-index:2;
  width:100%;
  color:#fff;
}
.hero h1{
  font-size:34px;
  line-height:1.25;
  font-weight:800;
  max-width:640px;
  text-shadow:0 2px 20px rgba(0,0,0,.2);
  margin-bottom:18px;
}
@media(min-width:768px){.hero h1{font-size:46px}}
@media(min-width:1024px){.hero h1{font-size:54px}}
.hero-sub{
  font-size:16px;
  line-height:1.8;
  max-width:520px;
  opacity:.95;
  margin-bottom:28px;
  color:rgba(255,255,255,.95);
}
@media(min-width:768px){.hero-sub{font-size:18px}}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-bottom:40px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--radius-pill);
  padding:14px 30px;
  font-size:15px;
  font-weight:700;
  cursor:pointer;
  transition:all .25s ease;
  border:none;
  min-height:48px;
  text-align:center;
}
.btn svg{width:16px;height:16px}
.btn-primary{
  background:var(--brand-gradient);
  color:#fff;
  box-shadow:0 6px 20px rgba(0,0,0,.15);
}
.btn-primary:hover{
  transform:translateY(-1px);
  box-shadow:0 10px 28px rgba(0,0,0,.2);
  color:#fff;
}
.btn-primary:active{transform:translateY(0)}
.btn-outline{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.7);
  color:#fff;
  backdrop-filter:blur(4px);
}
.btn-outline:hover{
  background:rgba(255,255,255,.14);
  color:#fff;
  transform:translateY(-1px);
}
.hero-badges{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}
.badge-card{
  background:rgba(255,255,255,.12);
  backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--radius-pill);
  padding:12px 24px;
  text-align:center;
  min-width:140px;
}
.badge-card strong{
  display:block;
  font-family:var(--font-num);
  font-size:28px;
  font-weight:800;
  line-height:1.1;
  color:#fff;
}
.badge-card span{
  font-size:12px;
  color:rgba(255,255,255,.8);
  margin-top:2px;
  display:block;
}

/* 区块通用 */
.section-head{
  text-align:center;
  max-width:560px;
  margin:0 auto 48px;
}
.section-head .sec-label{
  display:inline-block;
  font-size:12px;
  font-weight:700;
  color:var(--color-secondary);
  letter-spacing:2px;
  text-transform:uppercase;
  margin-bottom:8px;
}
.section-head h2{
  font-size:30px;
  line-height:1.3;
  font-weight:800;
  color:var(--color-text);
  margin-bottom:12px;
}
.section-head p{
  color:var(--color-text-muted);
  font-size:15px;
  line-height:1.7;
}

/* 卖点三连 */
.features{
  padding:var(--space-section) 0;
  background:var(--color-bg);
}
.feature-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:24px;
  position:relative;
}
@media(min-width:768px){.feature-grid{grid-template-columns:repeat(3,1fr)}}
.feature-card{
  background:var(--color-surface);
  border:1px solid var(--color-line);
  border-radius:var(--radius-lg);
  padding:32px 26px 24px;
  position:relative;
  transition:transform .3s,box-shadow .3s,border-color .3s;
  display:flex;
  flex-direction:column;
  gap:14px;
}
.feature-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-card-hover);
  border-color:rgba(29,92,67,.25);
}
.feature-icon{
  width:50px;
  height:50px;
  border-radius:16px;
  background:var(--color-bg-alt);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--color-primary);
  flex-shrink:0;
}
.feature-icon svg{width:24px;height:24px}
.feature-card h3{
  font-size:20px;
  font-weight:700;
  color:var(--color-text);
}
.feature-card p{
  color:var(--color-text-muted);
  font-size:15px;
  line-height:1.7;
  flex:1;
}
.feature-more{
  font-size:14px;
  font-weight:600;
  color:var(--color-primary);
  display:inline-flex;
  align-items:center;
  gap:4px;
  transition:gap .2s;
}
.feature-more:hover{
  color:var(--color-accent);
  gap:8px;
}
@media(min-width:1024px){
  .feature-grid::before{
    content:"";
    position:absolute;
    top:30px;
    left:calc(16.66% + 0px);
    right:calc(16.66% + 0px);
    border-top:1px dashed var(--color-line);
    z-index:0;
    display:block;
  }
  .feature-card{z-index:1;background:var(--color-surface)}
}

/* 资讯速览 */
.news{
  padding:var(--space-section) 0;
  background:var(--color-bg-alt);
}
.news-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:40px;
}
@media(min-width:992px){
  .news-grid{
    grid-template-columns:1fr 340px;
    gap:40px;
    align-items:start;
  }
}
.news-list{
  display:flex;
  flex-direction:column;
  gap:0;
}
.news-item{
  display:block;
  padding:20px 14px;
  border-bottom:1px solid var(--color-line);
  transition:background .2s,transform .2s;
  border-radius:12px;
  background:transparent;
}
.news-item:hover{
  background:var(--color-surface);
  transform:translateX(4px);
}
.news-item .n-date{
  font-size:12px;
  color:var(--color-text-muted);
  margin-bottom:4px;
  display:block;
  font-weight:600;
}
.news-item h3{
  font-size:16px;
  font-weight:700;
  color:var(--color-text);
  margin-bottom:6px;
  line-height:1.5;
}
.news-item p{
  font-size:14px;
  color:var(--color-text-muted);
  line-height:1.6;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-more-wrap{
  margin-top:24px;
}
.btn-ghost{
  background:transparent;
  border:1px solid var(--color-primary);
  color:var(--color-primary);
  border-radius:var(--radius-pill);
  padding:10px 26px;
  font-size:14px;
  font-weight:600;
  transition:background .2s,transform .2s;
  cursor:pointer;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.btn-ghost:hover{
  background:rgba(29,92,67,.08);
  transform:translateY(-1px);
  color:var(--color-primary);
}
.news-side{
  display:flex;
  flex-direction:column;
  gap:20px;
}
.side-card{
  background:var(--color-surface);
  border:1px solid var(--color-line);
  border-radius:var(--radius-lg);
  padding:24px;
}
.side-card h4{
  font-size:16px;
  font-weight:700;
  margin-bottom:14px;
  color:var(--color-text);
  position:relative;
  padding-left:14px;
}
.side-card h4::before{
  content:"";
  position:absolute;
  left:0;
  top:4px;
  bottom:4px;
  width:3px;
  background:var(--brand-gradient);
  border-radius:2px;
}
.side-list{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.side-list a{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  color:var(--color-text);
  padding:8px 10px;
  border-radius:10px;
  transition:background .2s,color .2s;
}
.side-list a:hover{
  background:var(--color-bg-alt);
  color:var(--color-primary);
}
.side-list .r-num{
  font-size:12px;
  font-weight:700;
  color:var(--color-secondary);
  font-family:var(--font-num);
  margin-top:2px;
}
.side-tag{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.side-tag a{
  font-size:12px;
  padding:5px 14px;
  border-radius:var(--radius-pill);
  background:var(--color-bg-alt);
  color:var(--color-text-muted);
  font-weight:600;
  border:1px solid transparent;
}
.side-tag a:hover{
  background:rgba(29,92,67,.12);
  color:var(--color-primary);
  border-color:rgba(29,92,67,.15);
}

/* 场景演示 */
.scenarios{
  padding:var(--space-section) 0;
  background:var(--color-bg);
}
.scenario-row{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
  align-items:center;
  margin-bottom:56px;
}
@media(min-width:860px){
  .scenario-row{
    grid-template-columns:1fr 1fr;
    gap:48px;
  }
  .scenario-row:last-child{margin-bottom:0}
  .scenario-row.flip .scenario-media{order:2}
}
.scenario-media{
  border-radius:var(--radius-lg);
  overflow:hidden;
  position:relative;
  aspect-ratio:16/10;
  box-shadow:var(--shadow-card);
}
.scenario-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.scenario-row:hover .scenario-media img{
  transform:scale(1.03);
}
.scenario-num{
  position:absolute;
  top:16px;
  left:16px;
  background:rgba(255,255,255,.9);
  color:var(--color-primary);
  font-family:var(--font-num);
  font-size:16px;
  font-weight:800;
  padding:6px 16px;
  border-radius:var(--radius-pill);
  box-shadow:0 4px 16px rgba(0,0,0,.08);
  z-index:2;
}
.scenario-body h3{
  font-size:24px;
  font-weight:700;
  color:var(--color-text);
  margin-bottom:12px;
}
.scenario-body p{
  color:var(--color-text-muted);
  font-size:16px;
  line-height:1.75;
  margin-bottom:22px;
}
.scenario-cta{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--color-primary);
  font-weight:600;
  font-size:15px;
  padding:10px 20px;
  border-radius:var(--radius-pill);
  border:1px solid rgba(29,92,67,.25);
  transition:all .25s;
}
.scenario-cta:hover{
  background:rgba(29,92,67,.08);
  border-color:var(--color-primary);
  gap:10px;
  color:var(--color-primary);
}

/* 社会认同 */
.social{
  padding:var(--space-section) 0;
  background:var(--color-bg-alt);
}
.testimonial-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
  margin-bottom:44px;
}
@media(min-width:768px){.testimonial-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.testimonial-grid{grid-template-columns:repeat(4,1fr)}}
.testimonial-card{
  background:var(--color-surface);
  border:1px solid var(--color-line);
  border-radius:var(--radius-lg);
  padding:24px;
  display:flex;
  flex-direction:column;
  gap:12px;
  transition:transform .3s,box-shadow .3s;
}
.testimonial-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-card-hover);
}
.testimonial-head{
  display:flex;
  align-items:center;
  gap:10px;
}
.avatar{
  width:42px;
  height:42px;
  border-radius:50%;
  background:var(--brand-gradient);
  color:#fff;
  font-size:16px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
  font-family:var(--font-num);
}
.testimonial-info .t-name{
  font-size:14px;
  font-weight:700;
  color:var(--color-text);
  line-height:1.3;
}
.testimonial-info .t-area{
  font-size:12px;
  color:var(--color-text-muted);
}
.t-stars{
  color:var(--color-secondary);
  font-size:13px;
  letter-spacing:2px;
}
.testimonial-card p{
  font-size:14px;
  line-height:1.7;
  color:var(--color-text-muted);
  flex:1;
}
.social-stats{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  justify-content:center;
}

/* FAQ */
.faq{
  padding:var(--space-section) 0;
  background:var(--color-bg);
}
.faq-list{
  max-width:720px;
  margin:0 auto;
  display:flex;
  flex-direction:column;
  gap:14px;
}
.faq-item{
  background:var(--color-surface);
  border:1px solid var(--color-line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  transition:border-color .3s,box-shadow .3s;
}
.faq-item:hover{border-color:rgba(29,92,67,.25)}
.faq-item.open{
  border-color:var(--color-primary);
  box-shadow:var(--shadow-card);
}
.faq-q{
  display:flex;
  align-items:center;
  gap:14px;
  padding:20px 22px;
  cursor:pointer;
  user-select:none;
  background:transparent;
  border:none;
  width:100%;
  text-align:left;
  color:var(--color-text);
  font-size:16px;
  font-weight:600;
  transition:color .2s;
}
.faq-q:hover{color:var(--color-primary)}
.faq-q .q-num{
  width:28px;
  height:28px;
  border-radius:50%;
  background:rgba(29,92,67,.1);
  color:var(--color-primary);
  font-size:12px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
  font-family:var(--font-num);
  transition:background .3s,color .3s;
}
.faq-item.open .faq-q .q-num{
  background:var(--color-primary);
  color:#fff;
}
.faq-icon{
  margin-left:auto;
  width:18px;
  height:18px;
  flex-shrink:0;
  transition:transform .3s;
  color:var(--color-text-muted);
}
.faq-item.open .faq-icon{transform:rotate(180deg);color:var(--color-primary)}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .35s ease;
  padding:0 22px;
}
.faq-a-inner{
  padding:0 0 22px 42px;
  color:var(--color-text-muted);
  font-size:15px;
  line-height:1.75;
}

/* 底部固定转化条 */
.bottom-bar{
  position:fixed;
  bottom:0;
  left:0;
  right:0;
  z-index:900;
  transform:translateY(100%);
  transition:transform .3s ease;
  visibility:hidden;
}
.bottom-bar.show{
  transform:translateY(0);
  visibility:visible;
}
.bottom-bar-inner{
  background:var(--dark-gradient);
  color:#fff;
  padding:12px 20px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  max-width:var(--container);
  margin:0 auto;
  border-radius:var(--radius-md) var(--radius-md) 0 0;
  box-shadow:0 -8px 30px rgba(0,0,0,.15);
}
.bottom-bar-text{
  font-size:15px;
  font-weight:600;
  color:rgba(255,255,255,.95);
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.bottom-bar .btn{
  padding:10px 26px;
  font-size:14px;
  min-height:44px;
  flex-shrink:0;
}
@media(max-width:520px){
  .bottom-bar-inner{
    padding:10px 14px;
    gap:12px;
  }
  .bottom-bar-text{
    font-size:13px;
    flex:1;
  }
  .bottom-bar .btn{
    font-size:13px;
    padding:10px 18px;
    flex-shrink:1;
  }
}

/* 页脚 */
.site-footer{
  background:var(--dark-gradient);
  color:rgba(255,255,255,.8);
  padding:64px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:36px;
  padding-bottom:40px;
}
@media(min-width:768px){
  .footer-grid{
    grid-template-columns:2fr 1fr 1fr 1fr;
  }
}
.footer-brand .brand{
  color:#fff;
  margin-bottom:14px;
}
.footer-brand .brand .brand-name{color:#fff}
.footer-brand .brand .brand-note{
  color:rgba(255,255,255,.6);
  border-color:rgba(255,255,255,.2);
}
.footer-desc{
  font-size:14px;
  line-height:1.7;
  color:rgba(255,255,255,.65);
  margin-bottom:16px;
  max-width:280px;
}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
}
.footer-col ul{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.footer-col ul a{
  color:rgba(255,255,255,.65);
  font-size:14px;
  transition:color .2s;
}
.footer-col ul a:hover{
  color:var(--color-secondary);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  align-items:center;
  justify-content:space-between;
  font-size:12px;
  color:rgba(255,255,255,.4);
}
.footer-bottom a{
  color:rgba(255,255,255,.5);
  margin-left:14px;
}
.footer-bottom a:hover{color:var(--color-secondary)}
.footer-bottom .icp{
  color:rgba(255,255,255,.4);
}

.footer-bottom-links{
  display:flex;
  flex-wrap:wrap;
  gap:4px;
}

/* 页脚占位，防止底部条遮挡 */
.footer-spacer{
  height:80px;
}
@media(max-width:520px){.footer-spacer{height:64px}}

/* 图片 alt 相关不需要样式 */

/* 通用按钮变体 */
.btn-lg{
  padding:16px 36px;
  font-size:16px;
}
.btn-sm{
  padding:8px 20px;
  font-size:13px;
  min-height:40px;
}

/* 响应式 */
@media(max-width:767px){
  :root{
    --space-section:56px;
  }
  .hero{
    min-height:80vh;
    padding-top:120px;
  }
  .hero h1{
    font-size:32px;
  }
  .hero-sub{
    font-size:15px;
  }
  .hero-actions .btn{
    width:100%;
  }
  .hero-badges{
    flex-direction:column;
    width:100%;
  }
  .badge-card{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:10px 20px;
    min-width:0;
    text-align:left;
  }
  .badge-card strong{
    font-size:22px;
  }
  .badge-card span{
    margin-top:0;
  }
  .section-head{
    margin-bottom:32px;
  }
  .section-head h2{
    font-size:24px;
  }
  .feature-card{
    padding:24px 18px;
  }
  .scenario-row{
    gap:20px;
    margin-bottom:40px;
  }
  .scenario-media{
    aspect-ratio:4/3;
  }
  .scenario-body h3{
    font-size:20px;
  }
  .faq-q{
    padding:16px;
    font-size:14px;
  }
  .faq-a-inner{
    padding-left:16px;
  }
  .footer-grid{
    gap:28px;
  }
  .footer-spacer{
    height:60px;
  }
}
@media(max-width:520px){
  .container{
    padding:0 16px;
  }
  .brand-name{
    font-size:20px;
  }
  .brand-logo{
    width:34px;
    height:34px;
  }
  .header-search .search-box{
    width:38px;
  }
  .header-search .search-box button{
    width:38px;
    height:38px;
  }
  .section-head h2{
    font-size:22px;
  }
  .testimonial-grid{
    grid-template-columns:1fr;
  }
}