/* roulang page: index */
:root{
  --primary:#0B3B2D;
  --primary-dark:#082A20;
  --accent:#C9A86A;
  --accent-bright:#D9BC7E;
  --bg-dark:#0C0F0E;
  --bg-light:#F6F4EE;
  --text-main:#22261F;
  --text-secondary:#6B726B;
  --text-on-dark:#F2F0E9;
  --text-muted:#9BA69F;
  --success:#2FBF71;
  --warning:#E88932;
  --border-dark:rgba(255,255,255,.08);
  --border-light:rgba(0,0,0,.08);
  --radius-card:12px;
  --radius-btn:8px;
  --radius-badge:999px;
  --shadow-card:0 1px 2px rgba(0,0,0,.04),0 1px 6px rgba(0,0,0,.04);
  --shadow-card-hover:0 8px 24px rgba(0,0,0,.10);
  --font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"Oswald","DIN Alternate","Bahnschrift",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:var(--font-family);
  font-size:.9375rem;
  line-height:1.75;
  color:var(--text-main);
  background:var(--bg-light);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease;}
button{cursor:pointer;border:none;background:none;font-family:inherit;}
ul{list-style:none;margin:0;padding:0;}
p{margin:0 0 1rem;}
.container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
h1,h2,h3,h4,h5,h6{font-family:var(--font-family);font-weight:700;line-height:1.3;margin:0 0 .5rem;color:var(--text-main);}
a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:44px;
  padding:0 24px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,filter .2s ease;
  white-space:nowrap;
  border:1px solid transparent;
}
.btn:active{transform:scale(.97);opacity:.9;}
.btn-primary{
  background:var(--accent);
  color:var(--bg-dark);
}
.btn-primary:hover{
  filter:brightness(1.08);
  box-shadow:0 4px 12px rgba(201,168,106,.4);
}
.btn-secondary{
  background:transparent;
  border-color:var(--accent);
  color:var(--accent);
}
.btn-secondary:hover{
  background:var(--accent);
  color:var(--bg-dark);
}
.btn-dark{
  background:var(--primary);
  border-color:var(--accent);
  color:var(--accent);
}
.btn-dark:hover{
  background:var(--accent);
  color:var(--bg-dark);
}
.btn-text{
  background:transparent;
  color:var(--accent);
  padding:0 8px;
  font-size:14px;
}
.btn-text:hover{color:var(--accent-bright);text-decoration:underline;}
.btn-lg{min-height:56px;padding:0 40px;font-size:17px;}
.btn-sm{min-height:38px;padding:0 16px;font-size:13px;}

.section-header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:32px;
  gap:16px;
  flex-wrap:wrap;
}
.section-header h2{
  font-size:clamp(1.375rem,2.5vw,1.75rem);
  margin-bottom:0;
}
.section-header span{
  font-size:14px;
  color:var(--text-secondary);
}
.section-header--light h2{color:var(--text-on-dark);}
.section-header--light span{color:var(--text-muted);}
.section-more{
  font-size:14px;
  color:var(--accent);
  weight:600;
  display:inline-flex;
  align-items:center;
  gap:6px;
  transition:gap .2s ease;
}
.section-more:hover{gap:10px;color:var(--accent-bright);}

/* ---------- 左侧导航 ---------- */
.sidebar-nav{
  position:fixed;
  left:0;top:0;bottom:0;
  width:220px;
  background:var(--bg-dark);
  z-index:1000;
  border-right:1px solid var(--border-dark);
  display:flex;
  flex-direction:column;
  padding:16px 0;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  padding:0 16px;
  min-height:72px;
  border-bottom:1px solid var(--border-dark);
  margin-bottom:16px;
}
.brand__mark{
  width:36px;height:36px;
  border:2px solid var(--accent);
  border-radius:10px;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
}
.brand__mark svg{width:18px;height:18px;fill:var(--accent);}
.brand__name{
  display:flex;
  flex-direction:column;
  line-height:1.25;
}
.brand__name strong{
  color:var(--text-on-dark);
  font-size:16px;
  font-weight:700;
  letter-spacing:.5px;
}
.brand__name strong em{color:var(--accent);font-style:normal;}
.brand__name small{
  color:var(--text-muted);
  font-size:12px;
  letter-spacing:1px;
}
.main-nav{
  padding:0;
}
.main-nav a{
  display:flex;
  align-items:center;
  gap:10px;
  line-height:48px;
  padding:0 16px;
  color:var(--text-muted);
  font-size:15px;
  border-left:3px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.main-nav a i{
  width:18px;
  font-size:14px;
  text-align:center;
}
.main-nav a:hover{
  background:rgba(255,255,255,.06);
  color:var(--text-on-dark);
}
.main-nav a.is-active{
  color:var(--accent);
  border-left-color:var(--accent);
  background:rgba(201,168,106,.06);
  font-weight:600;
}
.sidebar-divider{
  flex:1;
}
.sidebar-bottom{
  border-top:1px solid var(--border-dark);
  padding:16px;
  font-size:13px;
  color:var(--text-muted);
}
.sidebar-bottom p{margin-bottom:4px;color:var(--text-on-dark);font-weight:600;}

/* ---------- 移动端顶部栏 ---------- */
.mobile-topbar{
  display:none;
  position:fixed;
  top:0;left:0;right:0;
  height:56px;
  background:var(--bg-dark);
  z-index:1200;
  align-items:center;
  justify-content:space-between;
  padding:0 16px;
  border-bottom:1px solid var(--border-dark);
}
.mobile-menu-toggle{
  width:44px;height:44px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
}
.mobile-menu-toggle span{
  display:block;
  width:22px;height:2px;
  background:var(--text-on-dark);
  border-radius:2px;
}
.mobile-logo{
  color:var(--text-on-dark);
  font-size:16px;
  font-weight:700;
}
.mobile-logo em{color:var(--accent);font-style:normal;}
.mobile-consult{
  background:var(--accent);
  color:var(--bg-dark);
  font-size:13px;
  font-weight:600;
  padding:8px 14px;
  border-radius:var(--radius-btn);
}

/* ---------- 内容区 ---------- */
.content-area{
  margin-left:220px;
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  min-height:620px;
  background:var(--bg-dark);
  overflow:hidden;
  display:flex;
  align-items:center;
}
.hero__bg{
  position:absolute;
  inset:0;
  background:
    linear-gradient(105deg,rgba(12,15,14,.97) 12%,rgba(11,59,45,.82) 45%,rgba(12,15,14,.35) 75%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.hero__inner{
  position:relative;
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:48px;
  align-items:center;
  padding-top:64px;
  padding-bottom:64px;
}
.hero__badge{
  display:inline-flex;
  align-items:center;
  padding:6px 16px;
  border:1px solid var(--accent);
  border-radius:var(--radius-badge);
  color:var(--accent);
  font-size:13px;
  font-weight:600;
  margin-bottom:20px;
  letter-spacing:.5px;
}
.hero__title{
  font-size:clamp(1.75rem,4vw,2.375rem);
  line-height:1.25;
  color:var(--text-on-dark);
  margin-bottom:16px;
  font-weight:700;
}
.hero__title em{
  color:var(--accent);
  font-style:normal;
}
.hero__subtitle{
  font-size:16px;
  line-height:1.7;
  color:rgba(242,240,233,.75);
  margin-bottom:28px;
  max-width:440px;
}
.hero__actions{
  display:flex;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
}
.hero__visual{
  display:flex;
  justify-content:center;
  align-items:center;
}
.phone-frame{
  width:270px;
  max-width:100%;
  border:1px solid rgba(255,255,255,.16);
  border-radius:16px;
  overflow:hidden;
  background:var(--bg-dark);
  box-shadow:0 24px 48px rgba(0,0,0,.4);
  position:relative;
}
.phone-frame__media{
  position:relative;
  aspect-ratio:9/16;
  overflow:hidden;
}
.phone-frame__media img{
  width:100%;height:100%;
  object-fit:cover;
}
.phone-frame__play{
  position:absolute;
  top:50%;left:50%;
  transform:translate(-50%,-50%);
  width:52px;height:52px;
  border-radius:50%;
  background:rgba(201,168,106,.9);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--bg-dark);
  font-size:18px;
  padding-left:3px;
  box-shadow:0 4px 16px rgba(0,0,0,.3);
}
.phone-frame__caption{
  position:absolute;
  left:12px;right:12px;bottom:12px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  color:var(--text-on-dark);
  font-size:13px;
  font-weight:600;
  text-shadow:0 1px 4px rgba(0,0,0,.6);
}
.phone-frame__live{
  display:inline-flex;
  align-items:center;
  gap:4px;
  background:rgba(201,168,106,.9);
  color:var(--bg-dark);
  padding:2px 8px;
  border-radius:var(--radius-badge);
  font-size:11px;
  font-weight:700;
}
.phone-frame__bar{
  height:4px;
  background:linear-gradient(90deg,var(--accent),transparent);
}

/* ---------- 频道入口 ---------- */
.channel-strip{
  background:var(--bg-light);
  padding:64px 0;
}
.channel-grid{
  row-gap:24px;
}
.channel-item{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  padding:24px 12px;
  background:var(--bg-light);
  border:1px solid var(--border-light);
  border-radius:var(--radius-card);
  min-height:130px;
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
  text-align:center;
}
.channel-item:hover{
  box-shadow:var(--shadow-card-hover);
  transform:translateY(-4px);
  border-color:var(--accent);
}
.channel-item__icon{
  width:52px;height:52px;
  border-radius:16px;
  background:var(--primary);
  color:var(--accent);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:20px;
  margin-bottom:14px;
}
.channel-item__label{
  font-size:14px;
  font-weight:600;
  color:var(--text-main);
}
.channel-item__desc{
  font-size:12px;
  color:var(--text-secondary);
  margin-top:4px;
}

/* ---------- 爆款片段 ---------- */
.hot-swipe{
  background:var(--primary-dark);
  padding:80px 0;
  overflow:hidden;
}
.swipe-row{
  display:flex;
  gap:16px;
  overflow-x:auto;
  padding-bottom:12px;
  -webkit-overflow-scrolling:touch;
}
.swipe-row::-webkit-scrollbar{display:none;}
.swipe-card{
  flex:0 0 200px;
  width:200px;
  border-radius:var(--radius-card);
  overflow:hidden;
  position:relative;
  background:#EDEAE2;
  transition:transform .3s ease,box-shadow .3s ease;
  aspect-ratio:3/4;
}
.swipe-card:hover{
  transform:translateY(-6px);
  box-shadow:0 12px 32px rgba(0,0,0,.35);
}
.swipe-card__media{
  position:relative;
  height:100%;
  overflow:hidden;
}
.swipe-card__media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.swipe-card:hover .swipe-card__media img{
  transform:scale(1.05);
}
.swipe-card__badge{
  position:absolute;
  top:12px;left:12px;
  background:var(--accent);
  color:var(--bg-dark);
  font-size:11px;
  font-weight:700;
  padding:4px 10px;
  border-radius:var(--radius-badge);
  z-index:2;
  text-transform:uppercase;
  letter-spacing:.5px;
}
.swipe-card__info{
  position:absolute;
  left:0;right:0;bottom:0;
  padding:20px 12px 12px;
  background:linear-gradient(transparent,rgba(0,0,0,.8));
  color:var(--text-on-dark);
}
.swipe-card__title{
  display:block;
  font-size:14px;
  font-weight:600;
  line-height:1.4;
  margin-bottom:4px;
}
.swipe-card__stats{
  display:block;
  font-size:12px;
  color:rgba(242,240,233,.7);
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
}
.swipe-card__arrow{
  position:absolute;
  right:12px;bottom:12px;
  width:28px;height:28px;
  border-radius:50%;
  background:var(--accent);
  color:var(--bg-dark);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:12px;
  transition:transform .2s ease;
}
.swipe-card:hover .swipe-card__arrow{
  transform:scale(1.1);
}

/* ---------- 种草清单 ---------- */
.pick-list{
  background:var(--bg-light);
  padding:64px 0;
}
.pick-row{
  display:flex;
  align-items:center;
  gap:20px;
  background:var(--bg-light);
  border:1px solid var(--border-light);
  border-radius:var(--radius-card);
  padding:16px 20px;
  margin-bottom:16px;
  transition:box-shadow .2s ease,border-color .2s ease;
  position:relative;
  overflow:hidden;
}
.pick-row::before{
  content:'';
  position:absolute;
  left:0;top:0;bottom:0;
  width:4px;
  background:var(--accent);
  opacity:0;
  transition:opacity .2s ease;
}
.pick-row:hover{
  box-shadow:var(--shadow-card-hover);
  border-color:rgba(201,168,106,.4);
}
.pick-row:hover::before{opacity:1;}
.pick-row__num{
  font-family:var(--font-num);
  font-size:28px;
  font-weight:700;
  color:rgba(201,168,106,.5);
  min-width:36px;
  text-align:center;
}
.pick-row__thumb{
  width:72px;height:72px;
  border-radius:8px;
  overflow:hidden;
  flex-shrink:0;
  background:#EDEAE2;
}
.pick-row__thumb img{
  width:100%;height:100%;
  object-fit:cover;
}
.pick-row__content{
  flex:1;
  min-width:0;
}
.pick-row__content h3{
  font-size:16px;
  font-weight:600;
  margin-bottom:2px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.pick-row__content p{
  font-size:14px;
  color:var(--text-secondary);
  margin-bottom:0;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.pick-row__data{
  display:inline-flex;
  align-items:center;
  background:var(--primary);
  color:var(--text-on-dark);
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:14px;
  padding:6px 14px;
  border-radius:var(--radius-badge);
  font-weight:600;
  white-space:nowrap;
}

/* ---------- 口碑条 ---------- */
.review-strip{
  background:var(--bg-dark);
  padding:80px 0;
}
.review-track{
  display:flex;
  gap:20px;
  overflow-x:auto;
  padding-bottom:18px;
  -webkit-overflow-scrolling:touch;
}
.review-track::-webkit-scrollbar{display:none;}
.review-card{
  flex:0 0 300px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--border-dark);
  border-radius:var(--radius-card);
  padding:20px;
  position:relative;
  transition:background .2s ease,transform .2s ease;
}
.review-card::after{
  content:'';
  position:absolute;
  left:16px;right:16px;bottom:0;
  height:1px;
  background:linear-gradient(90deg,var(--accent),transparent);
}
.review-card:hover{
  background:rgba(255,255,255,.07);
  transform:translateY(-3px);
}
.review-card__head{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:12px;
}
.review-card__avatar{
  width:40px;height:40px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:16px;
  font-weight:700;
  color:#fff;
  flex-shrink:0;
}
.review-card__meta{
  display:flex;
  flex-direction:column;
}
.review-card__name{
  font-size:14px;
  font-weight:600;
  color:var(--text-on-dark);
}
.review-card__stars{
  color:var(--accent);
  font-size:13px;
  letter-spacing:2px;
}
.review-card__text{
  font-size:13px;
  line-height:1.6;
  color:rgba(242,240,233,.75);
  margin-bottom:12px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.review-card__tag{
  display:inline-block;
  font-size:11px;
  color:var(--accent);
  border:1px solid var(--accent);
  border-radius:var(--radius-badge);
  padding:2px 10px;
}

/* ---------- CTA 大区 ---------- */
.cta-banner{
  position:relative;
  background:var(--bg-dark);
  text-align:center;
  padding:96px 0;
  overflow:hidden;
}
.cta-banner__bg{
  position:absolute;
  inset:0;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity:.20;
}
.cta-banner__inner{
  position:relative;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:8px;
}
.cta-banner__badge{
  display:inline-flex;
  padding:6px 16px;
  border:1px solid var(--accent);
  border-radius:var(--radius-badge);
  color:var(--accent);
  font-size:13px;
  font-weight:600;
  margin-bottom:12px;
  letter-spacing:.5px;
}
.cta-banner h2{
  color:var(--text-on-dark);
  font-size:clamp(1.375rem,2.5vw,1.75rem);
  margin-bottom:8px;
}
.cta-banner p{
  color:rgba(242,240,233,.7);
  font-size:15px;
  margin-bottom:20px;
}
.cta-banner__note{
  font-size:13px;
  color:rgba(242,240,233,.5);
  margin-top:12px;
}

/* ---------- 最新资讯 ---------- */
.latest-news{
  background:var(--bg-light);
  padding:64px 0;
}
.news-grid{
  row-gap:24px;
}
.news-card{
  background:var(--bg-light);
  border:1px solid var(--border-light);
  border-radius:var(--radius-card);
  overflow:hidden;
  height:100%;
  transition:box-shadow .2s ease,transform .2s ease;
}
.news-card:hover{
  box-shadow:var(--shadow-card-hover);
  transform:translateY(-4px);
}
.news-card__media{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:#EDEAE2;
}
.news-card__media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.news-card:hover .news-card__media img{
  transform:scale(1.03);
}
.news-card__badge{
  position:absolute;
  top:12px;left:12px;
  background:rgba(255,255,255,.92);
  color:var(--primary);
  font-size:12px;
  font-weight:600;
  padding:4px 12px;
  border-radius:var(--radius-badge);
  box-shadow:0 2px 8px rgba(0,0,0,.15);
  border:1px solid rgba(201,168,106,.5);
}
.news-card__body{
  padding:16px;
  display:flex;
  flex-direction:column;
  gap:8px;
}
.news-card__title{
  font-size:16px;
  font-weight:600;
  line-height:1.4;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  min-height:44px;
}
.news-card__summary{
  font-size:14px;
  color:var(--text-secondary);
  line-height:1.6;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin-bottom:0;
  flex:1;
}
.news-card__meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-top:auto;
  padding-top:8px;
  border-top:1px solid var(--border-light);
}
.news-card__date{
  font-size:13px;
  color:var(--text-secondary);
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
}
.news-card__more{
  font-size:14px;
  color:var(--accent);
  font-weight:600;
  display:inline-flex;
  align-items:center;
  gap:4px;
}
.news-card__more i{font-size:12px;}
.news-card:hover .news-card__more{gap:8px;}
.news-empty{
  grid-column:1/-1;
  border:2px dashed rgba(0,0,0,.12);
  border-radius:var(--radius-card);
  min-height:180px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:12px;
  color:var(--text-secondary);
}
.news-empty__icon{
  width:48px;height:48px;
  border-radius:50%;
  background:rgba(0,0,0,.04);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:20px;
  color:var(--accent);
}
.news-empty p{font-size:15px;margin-bottom:0;}

/* ---------- FAQ ---------- */
.faq-section{
  background:var(--bg-light);
  padding:64px 0;
}
.faq-list{
  max-width:780px;
  margin:0 auto;
}
.faq-item{
  border-bottom:1px solid var(--border-light);
}
.faq-item__question{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:22px 0;
  font-size:16px;
  font-weight:600;
  color:var(--text-main);
  text-align:left;
  background:none;
  transition:color .2s ease;
}
.faq-item__question:hover{color:var(--primary);}
.faq-item__icon{
  width:24px;height:24px;
  border-radius:50%;
  border:2px solid var(--accent);
  color:var(--accent);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:14px;
  font-weight:700;
  flex-shrink:0;
  transition:transform .25s ease,background .25s ease,color .25s ease;
}
.faq-item.is-active .faq-item__icon{
  transform:rotate(45deg);
  background:var(--accent);
  color:var(--bg-dark);
}
.faq-item__answer{
  display:none;
  padding:0 0 20px;
  font-size:14px;
  color:var(--text-secondary);
  line-height:1.7;
}
.faq-item__answer p{margin-bottom:0;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-dark);
  border-top:1px solid var(--accent);
  padding:64px 0 0;
  color:var(--text-muted);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:32px;
  padding-bottom:48px;
}
.footer-brand h4{
  color:var(--text-on-dark);
  font-size:18px;
  margin-bottom:8px;
}
.footer-brand h4 em{
  color:var(--accent);
  font-style:normal;
}
.footer-brand p{
  font-size:14px;
  color:rgba(242,240,233,.6);
  margin-bottom:0;
}
.site-footer h5{
  color:var(--text-on-dark);
  font-size:14px;
  margin-bottom:12px;
  letter-spacing:.5px;
}
.site-footer ul li{
  margin-bottom:8px;
}
.site-footer ul a{
  font-size:14px;
  color:var(--text-muted);
  display:inline-flex;
  align-items:center;
  gap:8px;
  transition:color .2s ease;
}
.site-footer ul a:hover{
  color:var(--accent);
}
.site-footer ul a i{
  width:16px;
  font-size:12px;
  text-align:center;
}
.footer-bottom{
  border-top:1px solid var(--border-dark);
  padding:20px 0;
  text-align:center;
  font-size:13px;
  color:rgba(255,255,255,.45);
}
.footer-bottom p{margin-bottom:0;}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  .sidebar-nav{
    transform:translateX(-100%);
    transition:transform .3s ease;
    box-shadow:0 0 40px rgba(0,0,0,.4);
  }
  .sidebar-nav.is-open{
    transform:translateX(0);
  }
  .content-area{
    margin-left:0;
  }
  .mobile-topbar{
    display:flex;
  }
  .content-area{
    padding-top:56px;
  }
  .hero{
    min-height:auto;
  }
  .hero__inner{
    grid-template-columns:1fr;
    padding-top:48px;
    padding-bottom:48px;
    gap:32px;
  }
  .hero__visual{
    display:none;
  }
  .footer-grid{
    grid-template-columns:1fr 1fr;
    gap:24px;
  }
}
@media screen and (max-width:640px){
  .container{
    padding-left:16px;
    padding-right:16px;
  }
  .hero__inner{
    padding-top:32px;
    padding-bottom:32px;
  }
  .hero__title{
    font-size:1.6rem;
  }
  .hero__subtitle{
    font-size:15px;
  }
  .channel-grid{
    row-gap:12px;
  }
  .channel-item{
    min-height:110px;
    padding:16px 8px;
  }
  .channel-item__icon{
    width:44px;height:44px;
    font-size:16px;
    border-radius:12px;
  }
  .pick-row{
    flex-direction:column;
    align-items:flex-start;
    gap:12px;
    padding:16px;
  }
  .pick-row__num{
    position:absolute;
    top:10px;right:14px;
    font-size:24px;
  }
  .pick-row__thumb{
    width:100%;
    height:120px;
  }
  .pick-row__thumb img{
    object-fit:cover;
    width:100%;
    height:100%;
  }
  .pick-row__content h3{
    white-space:normal;
  }
  .pick-row__content p{
    white-space:normal;
  }
  .pick-row__data{
    align-self:flex-start;
  }
  .review-card{
    flex-basis:260px;
  }
  .cta-banner{
    padding:64px 0;
  }
  .footer-grid{
    grid-template-columns:1fr;
    gap:20px;
  }
  .section-header{
    flex-direction:column;
    align-items:flex-start;
    gap:8px;
  }
  .swipe-card{
    flex-basis:160px;
    width:160px;
  }
}

/* roulang page: category1 */
/* =====================================================
   平博Pinnacle中国官网 — 赛事数据参考 分类页
   ===================================================== */

:root {
    --primary: #0B3B2D;
    --primary-light: #145243;
    --accent: #C9A86A;
    --accent-light: #DCC391;
    --dark: #0C0F0E;
    --light: #F6F4EE;
    --gray-bg: #EDEAE2;
    --text-dark: #22261F;
    --text-muted: #6B726B;
    --text-light: #F2F0E9;
    --green: #2FBF71;
    --orange: #E88932;
    --border-dark: rgba(255,255,255,.08);
    --border-light: rgba(0,0,0,.08);
    --radius: 12px;
    --radius-sm: 8px;
    --shadow-card: 0 1px 2px rgba(0,0,0,.04), 0 1px 6px rgba(0,0,0,.04);
    --shadow-hover: 0 8px 24px rgba(0,0,0,.10);
    --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', sans-serif;
    --font-num: 'Oswald', 'DIN Alternate', 'Arial Narrow', sans-serif;
}

/* ---------- Reset / Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    font-family: var(--font-sans);
    font-size: 15px;
    line-height: 1.75;
    color: var(--text-dark);
    background: var(--light);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--accent-light); }
button { font-family: inherit; cursor: pointer; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-sans);
    color: var(--text-dark);
    margin: 0 0 .6em;
    line-height: 1.3;
}
h1 { font-size: clamp(1.75rem, 4vw, 2.375rem); font-weight: 700; }
h2 { font-size: clamp(1.375rem, 2.5vw, 1.75rem); font-weight: 700; letter-spacing: .01em; }
h3 { font-size: 1.125rem; font-weight: 600; }
p { margin: 0 0 1rem; }
strong { font-weight: 700; }
em { font-style: normal; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
}

/* ---------- 侧边导航 ---------- */
.sidebar-nav {
    position: fixed;
    top: 0; left: 0; bottom: 0;
    width: 220px;
    background: var(--dark);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    border-right: 1px solid rgba(255,255,255,.06);
}
.mobile-topbar { display: none; }

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 18px;
    border-bottom: 1px solid var(--border-dark);
    min-height: 72px;
}
.brand__mark {
    width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(201,168,106,.12);
    border: 1px solid rgba(201,168,106,.4);
    border-radius: 10px;
    flex-shrink: 0;
}
.brand__mark svg {
    width: 18px; height: 18px;
    fill: var(--accent);
}
.brand__name {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}
.brand__name strong {
    font-size: 17px;
    color: var(--text-light);
    font-weight: 700;
    letter-spacing: .02em;
}
.brand__name strong em {
    color: var(--accent);
    font-family: var(--font-num);
    font-weight: 600;
    letter-spacing: .02em;
}
.brand__name small {
    font-size: 12px;
    color: rgba(255,255,255,.5);
    margin-top: 2px;
    font-weight: 400;
}

.main-nav {
    flex: 1;
    padding: 14px 0;
}
.main-nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 18px;
    height: 48px;
    font-size: 15px;
    color: rgba(255,255,255,.72);
    border-left: 3px solid transparent;
    transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.main-nav a i {
    width: 16px;
    text-align: center;
    font-size: 14px;
    color: rgba(255,255,255,.5);
    transition: color .2s ease;
}
.main-nav a:hover {
    background: rgba(255,255,255,.06);
    color: var(--text-light);
}
.main-nav a:hover i { color: var(--accent); }
.main-nav a.is-active {
    border-left-color: var(--accent);
    color: var(--accent);
    background: rgba(201,168,106,.06);
}
.main-nav a.is-active i { color: var(--accent); }

.sidebar-divider {
    height: 1px;
    background: var(--border-dark);
    margin: 0 18px;
}
.sidebar-bottom {
    padding: 18px;
}
.sidebar-bottom p {
    margin: 0;
    color: var(--accent);
    font-size: 13px;
    font-weight: 600;
}
.sidebar-bottom span {
    font-size: 12px;
    color: rgba(255,255,255,.45);
}

/* ---------- 主内容区 ---------- */
.main-content {
    margin-left: 220px;
    min-height: 100vh;
}

/* ---------- 通用按钮 ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    padding: 0 26px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 600;
    border: 1px solid transparent;
    transition: all .2s ease;
    line-height: 1;
    text-decoration: none;
}
.btn-primary {
    background: var(--accent);
    color: #1a1408;
    border-color: var(--accent);
}
.btn-primary:hover {
    background: var(--accent-light);
    color: #1a1408;
    box-shadow: 0 4px 12px rgba(201,168,106,.4);
    transform: translateY(-1px);
}
.btn-primary:active {
    transform: scale(.97);
    opacity: .9;
}
.btn-secondary {
    background: transparent;
    color: var(--accent);
    border-color: rgba(201,168,106,.65);
}
.btn-secondary:hover {
    background: var(--accent);
    color: #1a1408;
    border-color: var(--accent);
}
.btn-secondary:active {
    transform: scale(.97);
    opacity: .9;
}
.btn-dark {
    background: var(--primary);
    color: var(--text-light);
    border-color: var(--accent);
}
.btn-dark:hover {
    background: var(--primary-light);
    color: var(--text-light);
    border-color: var(--accent-light);
}

/* ---------- 标签 / 徽章 ---------- */
.tag-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 14px;
    border-radius: 999px;
    border: 1px solid rgba(201,168,106,.55);
    color: var(--accent);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .06em;
    text-transform: uppercase;
    background: rgba(201,168,106,.06);
}
.tag-light {
    border-color: var(--accent);
    color: var(--accent);
}
.badge-hot {
    display: inline-block;
    background: var(--accent);
    color: #1a1408;
    font-size: 11px;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 999px;
    letter-spacing: .04em;
}
.badge-green {
    display: inline-block;
    background: rgba(47,191,113,.15);
    color: var(--green);
    font-size: 11px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 999px;
}

/* ---------- 面包屑 ---------- */
.breadcrumb-wrap {
    background: var(--dark);
    border-bottom: 1px solid var(--border-dark);
    padding: 14px 0;
}
.breadcrumb {
    font-size: 13px;
    color: rgba(255,255,255,.5);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
}
.breadcrumb a {
    color: rgba(255,255,255,.65);
}
.breadcrumb a:hover {
    color: var(--accent);
}
.breadcrumb .sep {
    color: rgba(255,255,255,.3);
}
.breadcrumb .current {
    color: var(--accent);
}

/* ---------- Hero 区 ---------- */
.hero-section {
    position: relative;
    background: var(--dark);
    background-image: linear-gradient(105deg, rgba(12,15,14,.96) 20%, rgba(12,15,14,.45) 60%, rgba(12,15,14,.2)), url('/assets/images/backpic/back-1.webp');
    background-size: cover;
    background-position: center;
    padding: 80px 0 90px;
    color: var(--text-light);
    overflow: hidden;
}
.hero-section::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 100%; height: 3px;
    background: linear-gradient(90deg, var(--accent), transparent 80%);
}
.hero-grid {
    display: flex;
    align-items: center;
    gap: 48px;
}
.hero-content { flex: 1.2; }
.hero-visual { flex: .8; display: flex; justify-content: center; }

.hero-content .tag-pill { margin-bottom: 20px; }
.hero-content h1 {
    color: var(--text-light);
    margin-bottom: 16px;
    font-size: clamp(1.9rem, 4vw, 2.6rem);
    line-height: 1.2;
}
.hero-content h1 span {
    color: var(--accent);
}
.hero-sub {
    font-size: 16px;
    color: rgba(255,255,255,.7);
    max-width: 420px;
    margin-bottom: 30px;
    line-height: 1.75;
}
.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    align-items: center;
}
.hero-link {
    color: var(--accent);
    font-size: 14px;
    font-weight: 600;
    padding: 10px 0;
    border-bottom: 1px solid transparent;
    transition: border-color .2s;
}
.hero-link:hover { border-bottom-color: var(--accent); color: var(--accent); }

/* 数据预览卡 */
.data-preview-card {
    width: 300px;
    background: rgba(20,25,24,.88);
    border: 1px solid rgba(255,255,255,.1);
    border-radius: 16px;
    box-shadow: 0 24px 48px rgba(0,0,0,.4);
    padding: 22px;
    backdrop-filter: blur(6px);
}
.dpc-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border-dark);
}
.dpc-header .league {
    font-size: 12px;
    color: rgba(255,255,255,.5);
}
.dpc-header .live-dot {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 11px;
    color: var(--green);
    font-weight: 600;
}
.dpc-header .live-dot::before {
    content: '';
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--green);
    animation: pulse 1.5s infinite;
}
@keyframes pulse {
    0%,100% { opacity: 1; }
    50% { opacity: .3; }
}
.dpc-title {
    font-size: 16px;
    color: var(--text-light);
    font-weight: 700;
    margin-bottom: 2px;
}
.dpc-odds {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 10px;
    margin: 16px 0;
}
.dpc-odds .cell {
    background: rgba(255,255,255,.04);
    border-radius: 8px;
    padding: 10px 6px;
    text-align: center;
}
.dpc-odds .label {
    font-size: 11px;
    color: rgba(255,255,255,.5);
    margin-bottom: 4px;
}
.dpc-odds .value {
    font-family: var(--font-num);
    font-size: 18px;
    font-weight: 600;
    color: var(--text-light);
    font-variant-numeric: tabular-nums;
}
.dpc-odds .value.hl { color: var(--accent); }
.dpc-form {
    margin: 14px 0;
    padding: 12px;
    background: rgba(201,168,106,.07);
    border-radius: 8px;
    border: 1px solid rgba(201,168,106,.2);
}
.dpc-form .row {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    color: rgba(255,255,255,.7);
    margin-bottom: 4px;
}
.dpc-form .row:last-child { margin-bottom: 0; }
.dpc-form .row b {
    color: var(--text-light);
    font-family: var(--font-num);
    font-weight: 600;
}
.dpc-footer {
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px solid var(--border-dark);
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    color: rgba(255,255,255,.4);
}

/* ---------- 数据维度板块 ---------- */
.section {
    padding: 80px 0;
}
.section-head {
    margin-bottom: 44px;
    max-width: 640px;
}
.section-head h2 {
    margin-bottom: 10px;
}
.section-head .sub {
    color: var(--text-muted);
    font-size: 15px;
}

.dimension-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 20px;
}
.dim-item {
    grid-column: span 3;
    background: #fff;
    border-radius: var(--radius);
    padding: 28px 24px;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-card);
    transition: all .25s ease;
    position: relative;
    overflow: hidden;
}
.dim-item::after {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 4px; height: 0;
    background: var(--accent);
    transition: height .25s ease;
}
.dim-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}
.dim-item:hover::after { height: 100%; }
.dim-icon {
    width: 44px; height: 44px;
    background: rgba(11,59,45,.08);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    font-size: 18px;
    color: var(--primary);
}
.dim-item h3 {
    font-size: 17px;
    margin-bottom: 8px;
}
.dim-item p {
    font-size: 14px;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.7;
}

/* ---------- 赛事覆盖板块 ---------- */
.coverage-section {
    background: var(--primary);
    background-image: linear-gradient(115deg, rgba(11,59,45,.96), rgba(11,59,45,.78)), url('/assets/images/backpic/back-2.png');
    background-size: cover;
    background-position: center;
    color: var(--text-light);
}
.coverage-section .section-head h2 { color: var(--text-light); }
.coverage-section .section-head .sub { color: rgba(255,255,255,.55); }

.coverage-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}
.coverage-card {
    display: flex;
    gap: 20px;
    background: rgba(255,255,255,.05);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius);
    padding: 24px;
    transition: background .25s, border-color .25s;
}
.coverage-card:hover {
    background: rgba(255,255,255,.09);
    border-color: rgba(201,168,106,.4);
}
.coverage-icon {
    width: 48px; height: 48px;
    flex-shrink: 0;
    border-radius: 12px;
    background: rgba(201,168,106,.15);
    border: 1px solid rgba(201,168,106,.35);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--accent);
}
.coverage-card h3 {
    color: var(--text-light);
    font-size: 16px;
    margin-bottom: 6px;
}
.coverage-card p {
    color: rgba(255,255,255,.55);
    font-size: 13px;
    margin: 0;
    line-height: 1.6;
    max-width: 340px;
}

/* ---------- 使用流程板块 ---------- */
.workflow-section {
    background: var(--light);
}
.workflow-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    counter-reset: step;
}
.workflow-step {
    text-align: center;
    padding: 28px 18px;
    border-radius: var(--radius);
    background: #fff;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-card);
    position: relative;
    transition: all .25s ease;
}
.workflow-step:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}
.workflow-step::before {
    counter-increment: step;
    content: counter(step, decimal-leading-zero);
    font-family: var(--font-num);
    font-size: 34px;
    font-weight: 600;
    color: rgba(201,168,106,.45);
    line-height: 1;
    display: block;
    margin-bottom: 14px;
}
.workflow-step .step-icon {
    width: 44px; height: 44px;
    margin: 0 auto 14px;
    background: rgba(11,59,45,.06);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--primary);
}
.workflow-step h3 {
    font-size: 16px;
    margin-bottom: 8px;
}
.workflow-step p {
    font-size: 13px;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.65;
}
.workflow-arrow {
    position: absolute;
    right: -18px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--accent);
    font-size: 14px;
    z-index: 2;
    display: none;
}
.workflow-step:not(:last-child) .workflow-arrow { display: block; }

/* ---------- 热门赛事数据卡 ---------- */
.hotdata-section {
    background: var(--gray-bg);
}
.hot-data-scroll {
    overflow-x: auto;
    padding-bottom: 12px;
    margin: 0 -8px;
    scrollbar-width: thin;
    scrollbar-color: var(--accent) transparent;
}
.hot-data-scroll::-webkit-scrollbar { height: 5px; }
.hot-data-scroll::-webkit-scrollbar-track { background: transparent; }
.hot-data-scroll::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 8px; }

.hot-track {
    display: flex;
    gap: 16px;
    padding: 8px;
    min-width: max-content;
}
.hot-card {
    width: 200px;
    border-radius: var(--radius);
    overflow: hidden;
    background: #fff;
    box-shadow: var(--shadow-card);
    transition: all .25s ease;
    border: 1px solid transparent;
}
.hot-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(201,168,106,.4);
}
.hot-card-cover {
    position: relative;
    aspect-ratio: 3 / 4;
    overflow: hidden;
    background: #e0ddd3;
}
.hot-card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s ease, filter .4s ease;
}
.hot-card:hover .hot-card-cover img {
    transform: scale(1.05);
    filter: brightness(.85);
}
.hot-card-cover::after {
    content: '';
    position: absolute;
    left: 0; right: 0; bottom: 0;
    height: 70px;
    background: linear-gradient(transparent, rgba(0,0,0,.82));
}
.hot-top {
    position: absolute;
    top: 10px; left: 10px;
    z-index: 2;
}
.hot-play {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 38px; height: 38px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: #1a1408;
    opacity: 0;
    transition: opacity .3s ease, transform .3s ease;
    z-index: 2;
}
.hot-card:hover .hot-play {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.1);
}
.hot-card-info {
    position: absolute;
    left: 12px; right: 12px; bottom: 10px;
    z-index: 2;
    color: var(--text-light);
}
.hot-card-info .tag {
    font-size: 10px;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 2px;
    display: block;
}
.hot-card-info .name {
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 2px;
}
.hot-card-info .meta {
    font-size: 11px;
    color: rgba(255,255,255,.65);
    font-family: var(--font-num);
    font-variant-numeric: tabular-nums;
}

/* ---------- 数据特点条 ---------- */
.feature-strip {
    background: var(--dark);
    padding: 56px 0;
    border-top: 1px solid var(--border-dark);
    border-bottom: 1px solid var(--border-dark);
}
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}
.feature-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    border: 1px solid var(--border-dark);
    border-radius: var(--radius);
    background: rgba(255,255,255,.03);
}
.feature-item i {
    width: 40px; height: 40px;
    flex-shrink: 0;
    border-radius: 10px;
    background: rgba(201,168,106,.15);
    color: var(--accent);
    font-size: 17px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.feature-item .text { flex: 1; }
.feature-item strong {
    display: block;
    color: var(--text-light);
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 2px;
}
.feature-item small {
    color: rgba(255,255,255,.5);
    font-size: 13px;
    line-height: 1.5;
    display: block;
}

/* ---------- FAQ ---------- */
.faq-section {
    background: var(--light);
}
.faq-list {
    max-width: 780px;
    margin: 0 auto;
}
.faq-item {
    border-bottom: 1px solid var(--border-light);
    padding: 4px 0;
    background: transparent;
    border-radius: 0;
    margin: 0;
}
.faq-item:first-child {
    border-top: 1px solid var(--border-light);
}
.faq-item summary {
    list-style: none;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 4px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
    transition: color .2s;
    position: relative;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover {
    color: var(--primary);
}
.faq-item summary::after {
    content: '+';
    font-family: var(--font-num);
    font-size: 24px;
    font-weight: 300;
    color: var(--accent);
    width: 24px;
    text-align: center;
    transition: transform .25s ease;
}
.faq-item[open] summary::after {
    transform: rotate(45deg);
}
.faq-answer {
    padding: 0 4px 20px;
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.75;
}
.faq-answer p { margin-bottom: 0; }

/* ---------- CTA 区 ---------- */
.cta-section {
    position: relative;
    background: var(--dark);
    background-image: linear-gradient(0deg, rgba(12,15,14,.88), rgba(12,15,14,.72)), url('/assets/images/backpic/back-3.png');
    background-size: cover;
    background-position: center;
    padding: 96px 0;
    text-align: center;
    color: var(--text-light);
}
.cta-section .tag-pill { margin-bottom: 20px; }
.cta-section h2 {
    color: var(--text-light);
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    margin-bottom: 14px;
}
.cta-section .cta-sub {
    color: rgba(255,255,255,.65);
    font-size: 15px;
    max-width: 460px;
    margin: 0 auto 32px;
}
.cta-btn {
    min-height: 56px;
    padding: 0 46px;
    font-size: 17px;
    font-weight: 700;
    letter-spacing: .04em;
}
.cta-note {
    margin-top: 18px;
    font-size: 13px;
    color: rgba(255,255,255,.5);
}

/* ---------- 页脚 ---------- */
.site-footer {
    background: var(--dark);
    color: rgba(255,255,255,.6);
    border-top: 1px solid var(--accent);
    padding: 64px 0 0;
    margin-left: 220px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
}
.footer-brand h4 {
    color: var(--text-light);
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
}
.footer-brand h4 em {
    color: var(--accent);
    font-family: var(--font-num);
}
.footer-brand p {
    font-size: 14px;
    color: rgba(255,255,255,.5);
    max-width: 280px;
    line-height: 1.7;
    margin-bottom: 0;
}
.site-footer h5 {
    color: var(--text-light);
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 16px;
}
.site-footer ul li {
    margin-bottom: 10px;
}
.site-footer ul a,
.site-footer ul span {
    color: rgba(255,255,255,.55);
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: color .2s;
}
.site-footer ul a:hover {
    color: var(--accent);
}
.site-footer ul a i {
    font-size: 12px;
    color: var(--accent);
}
.footer-bottom {
    border-top: 1px solid var(--border-dark);
    padding: 20px 0;
    text-align: center;
}
.footer-bottom p {
    font-size: 13px;
    color: rgba(255,255,255,.4);
    margin: 0;
}

/* ---------- 响应式 ---------- */
@media screen and (min-width: 641px) and (max-width: 1024px) {
    .main-content { margin-left: 0; }
    .site-footer { margin-left: 0; }
    .sidebar-nav {
        width: 100%;
        height: 56px;
        bottom: auto;
        border-right: none;
        border-bottom: 1px solid rgba(255,255,255,.06);
    }
    .mobile-topbar {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 56px;
        padding: 0 16px;
        width: 100%;
        flex-shrink: 0;
    }
    .menu-toggle {
        background: transparent;
        border: none;
        color: var(--text-light);
        font-size: 20px;
        width: 44px; height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 8px;
    }
    .menu-toggle:hover { background: rgba(255,255,255,.08); }
    .mobile-brand {
        color: var(--text-light);
        font-size: 16px;
        font-weight: 700;
    }
    .mobile-brand em {
        color: var(--accent);
        font-family: var(--font-num);
        font-style: normal;
    }
    .mobile-contact {
        color: var(--accent);
        font-size: 18px;
        width: 44px; height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 8px;
    }
    .sidebar-inner {
        display: none;
        position: fixed;
        top: 56px; left: 0; right: 0; bottom: 0;
        background: var(--dark);
        flex-direction: column;
        padding: 20px 0;
        overflow-y: auto;
        z-index: 1001;
    }
    .sidebar-nav.mobile-open .sidebar-inner {
        display: flex;
    }
    .brand { border-bottom: none; }
    .main-nav a { height: 52px; }
    .main-nav a.is-active {
        background: transparent;
    }
    .workflow-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .dim-item { grid-column: span 6; }
}

@media screen and (max-width: 640px) {
    .container { padding-left: 16px; padding-right: 16px; }
    .main-content { margin-left: 0; }
    .site-footer { margin-left: 0; }
    .sidebar-nav {
        width: 100%;
        height: 56px;
        bottom: auto;
        border-right: none;
        border-bottom: 1px solid rgba(255,255,255,.06);
    }
    .mobile-topbar {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 56px;
        padding: 0 12px;
        width: 100%;
        flex-shrink: 0;
    }
    .menu-toggle {
        background: transparent;
        border: none;
        color: var(--text-light);
        font-size: 19px;
        width: 44px; height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 8px;
    }
    .menu-toggle:hover { background: rgba(255,255,255,.08); }
    .mobile-brand {
        color: var(--text-light);
        font-size: 15px;
        font-weight: 700;
    }
    .mobile-brand em {
        color: var(--accent);
        font-family: var(--font-num);
        font-style: normal;
    }
    .mobile-contact {
        color: var(--accent);
        font-size: 17px;
        width: 44px; height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 8px;
    }
    .sidebar-inner {
        display: none;
        position: fixed;
        top: 56px; left: 0; right: 0; bottom: 0;
        background: var(--dark);
        flex-direction: column;
        padding: 16px 0;
        overflow-y: auto;
        z-index: 1001;
    }
    .sidebar-nav.mobile-open .sidebar-inner {
        display: flex;
    }
    .brand { border-bottom: none; }
    .main-nav a { height: 50px; }

    .hero-section { padding: 48px 0 60px; }
    .hero-grid { flex-direction: column; gap: 28px; }
    .hero-visual { display: none; }
    .hero-content { text-align: left; }
    .hero-content h1 { font-size: 1.8rem; }
    .hero-sub { font-size: 14px; }

    .section { padding: 48px 0; }
    .section-head { margin-bottom: 28px; }

    .dim-item { grid-column: span 12; }
    .coverage-grid { grid-template-columns: 1fr; gap: 14px; }
    .workflow-grid { grid-template-columns: 1fr; gap: 12px; }
    .feature-grid { grid-template-columns: 1fr; gap: 12px; }

    .hot-card { width: 168px; }
    .hot-card-info .name { font-size: 12px; }

    .cta-section { padding: 64px 0; }
    .cta-btn { width: 100%; max-width: 260px; }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
        padding-bottom: 20px;
    }
    .footer-brand p { max-width: 100%; }

    .faq-item summary { font-size: 15px; padding: 16px 4px; }
}

@media screen and (max-width: 360px) {
    .mobile-brand { font-size: 14px; }
    .hero-content h1 { font-size: 1.5rem; }
    .hero-actions .btn { width: 100%; }
}

/* roulang page: article */
/* ========== Design Tokens ========== */
:root {
  --green-deep: #0B3B2D;
  --gold: #C9A86A;
  --gold-soft: #E3C98B;
  --dark: #0C0F0E;
  --light: #F6F4EE;
  --light-alt: #EFEBE0;
  --text: #22261F;
  --text-sub: #6B726B;
  --text-invert: #F2F0E9;
  --text-invert-sub: rgba(242, 240, 233, .6);
  --border-dark: rgba(255, 255, 255, .08);
  --border-light: rgba(0, 0, 0, .08);
  --radius: 12px;
  --radius-sm: 8px;
  --shadow-card: 0 1px 2px rgba(0, 0, 0, .04), 0 1px 6px rgba(0, 0, 0, .04);
  --shadow-hover: 0 8px 24px rgba(0, 0, 0, .10);
  --sidebar-w: 220px;
  --topbar-h: 56px;
  --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-num: "DIN Alternate", "Oswald", "Arial Narrow", sans-serif;
  --transition: all .25s ease;
}

/* ========== Reset / Base ========== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
  background: var(--light);
}
body.no-scroll { overflow: hidden; }
body, h1, h2, h3, h4, h5, h6, p, figure, blockquote, dl, dd, ul, ol { margin: 0; padding: 0; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; }
ul, ol { list-style: none; }

/* ========== Container ========== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
@media (max-width: 640px) {
  .container { padding: 0 16px; }
}

/* ========== Sidebar Navigation ========== */
.sidebar-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-w);
  height: 100vh;
  background: var(--dark);
  border-right: 1px solid var(--border-dark);
  display: flex;
  flex-direction: column;
  z-index: 1000;
  transition: transform .3s ease;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 72px;
  padding: 0 20px;
  border-bottom: 1px solid var(--border-dark);
}
.brand__mark {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, rgba(201, 168, 106, .18), transparent);
  border: 1px solid rgba(201, 168, 106, .35);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.brand__mark svg { width: 18px; height: 18px; fill: var(--gold); }
.brand__name {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}
.brand__name strong {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-invert);
  letter-spacing: .5px;
}
.brand__name strong em {
  font-style: normal;
  color: var(--gold);
  font-weight: 600;
}
.brand__name small {
  font-size: 11px;
  color: rgba(255, 255, 255, .45);
  letter-spacing: 2px;
}
.main-nav {
  flex: 1;
  padding: 24px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.main-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 46px;
  padding: 0 12px;
  border-radius: 10px;
  font-size: 15px;
  color: rgba(255, 255, 255, .65);
  border-left: 3px solid transparent;
  transition: var(--transition);
}
.main-nav a i {
  width: 18px;
  text-align: center;
  font-size: 14px;
  color: rgba(255, 255, 255, .4);
  transition: var(--transition);
}
.main-nav a:hover {
  background: rgba(255, 255, 255, .05);
  color: var(--text-invert);
}
.main-nav a:hover i { color: var(--gold); }
.main-nav a.is-active {
  color: var(--gold);
  border-left-color: var(--gold);
  background: linear-gradient(90deg, rgba(201, 168, 106, .08), transparent);
  font-weight: 600;
}
.main-nav a.is-active i { color: var(--gold); }
.sidebar-divider {
  height: 1px;
  background: var(--border-dark);
  margin: 0 20px;
}
.sidebar-bottom {
  padding: 20px;
}
.sidebar-bottom p {
  font-size: 14px;
  color: var(--text-invert);
  font-weight: 600;
}
.sidebar-bottom span {
  font-size: 12px;
  color: rgba(255, 255, 255, .4);
}
.nav-toggle,
.nav-hotline { display: none; }

/* ========== Main Wrapper ========== */
.main-wrapper {
  margin-left: var(--sidebar-w);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ========== Article Page ========== */
.article-main {
  flex: 1;
  background: var(--light);
  padding: 48px 24px 80px;
}
.article-topline {
  height: 3px;
  background: linear-gradient(90deg, var(--gold), rgba(201, 168, 106, .15));
  margin: -48px -24px 48px;
}
.article-wrap {
  max-width: 780px;
  margin: 0 auto;
}

/* ========== Breadcrumb ========== */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--text-sub);
  margin-bottom: 28px;
}
.breadcrumb a {
  color: var(--text-sub);
  transition: var(--transition);
}
.breadcrumb a:hover { color: var(--green-deep); }
.breadcrumb .sep { color: rgba(0, 0, 0, .25); }
.breadcrumb .current {
  color: var(--green-deep);
  font-weight: 600;
}

/* ========== Article Header ========== */
.article-header {
  margin-bottom: 36px;
}
.article-header h1 {
  font-size: clamp(1.75rem, 4vw, 2.375rem);
  line-height: 1.25;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}
.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 16px;
  font-size: 13px;
  color: var(--text-sub);
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-light);
}
.article-meta i { color: var(--gold); margin-right: 6px; }
.article-meta .meta-cat {
  display: inline-flex;
  align-items: center;
  padding: 3px 12px;
  border: 1px solid rgba(201, 168, 106, .5);
  color: var(--green-deep);
  border-radius: 999px;
  font-weight: 600;
  font-size: 12px;
}
.article-meta .meta-cat i { color: var(--gold); font-size: 11px; }

/* ========== Article Content ========== */
.article-content {
  font-size: 16px;
  line-height: 1.85;
  color: #2C3028;
}
.article-content p {
  margin-bottom: 24px;
}
.article-content h2 {
  font-size: 1.45rem;
  font-weight: 700;
  margin: 48px 0 16px;
  line-height: 1.4;
  color: var(--text);
  position: relative;
  padding-left: 16px;
}
.article-content h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: .3em;
  width: 4px;
  height: 1.1em;
  background: var(--gold);
  border-radius: 2px;
}
.article-content h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin: 32px 0 12px;
  color: var(--text);
}
.article-content h4 {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 24px 0 8px;
}
.article-content a {
  color: var(--green-deep);
  border-bottom: 1px solid rgba(11, 59, 45, .3);
  transition: var(--transition);
}
.article-content a:hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
}
.article-content ul {
  padding-left: 24px;
  margin-bottom: 24px;
}
.article-content ul li {
  position: relative;
  padding-left: 10px;
  margin-bottom: 10px;
}
.article-content ul li::before {
  content: "";
  position: absolute;
  left: -12px;
  top: .72em;
  width: 6px;
  height: 6px;
  background: var(--gold);
  border-radius: 50%;
}
.article-content ol {
  padding-left: 24px;
  margin-bottom: 24px;
  counter-reset: article-ol;
}
.article-content ol li {
  padding-left: 6px;
  margin-bottom: 10px;
  counter-increment: article-ol;
}
.article-content ol li::marker {
  color: var(--gold);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.article-content blockquote {
  border-left: 4px solid var(--gold);
  background: #F1EEE4;
  padding: 18px 22px;
  margin: 28px 0;
  border-radius: 0 10px 10px 0;
  color: #4A5047;
}
.article-content img {
  border-radius: var(--radius);
  margin: 28px 0;
  box-shadow: var(--shadow-card);
}
.article-content figure {
  margin: 28px 0;
}
.article-content figure img {
  margin: 0;
  border-radius: var(--radius);
}
.article-content figcaption {
  text-align: center;
  font-size: 13px;
  color: var(--text-sub);
  margin-top: 12px;
}
.article-content pre {
  background: var(--dark);
  color: var(--text-invert);
  padding: 20px;
  border-radius: 10px;
  overflow-x: auto;
  font-size: 14px;
  line-height: 1.7;
  margin: 28px 0;
}
.article-content code {
  font-family: "SFMono-Regular", Consolas, monospace;
  background: rgba(0, 0, 0, .06);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: .9em;
}
.article-content pre code {
  background: transparent;
  padding: 0;
}
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0;
  font-size: 14px;
}
.article-content th {
  background: var(--green-deep);
  color: var(--text-invert);
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
}
.article-content td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-light);
}
.article-content tr:nth-child(even) td {
  background: #FAF8F2;
}

/* ========== Article Empty ========== */
.article-empty {
  text-align: center;
  padding: 72px 24px;
  border: 2px dashed rgba(0, 0, 0, .12);
  border-radius: var(--radius);
}
.article-empty i {
  font-size: 40px;
  color: rgba(0, 0, 0, .15);
  margin-bottom: 16px;
}
.article-empty p {
  font-size: 16px;
  color: var(--text-sub);
  margin-bottom: 24px;
}

/* ========== Article Footer Nav ========== */
.article-footer-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 48px;
  padding-top: 28px;
  border-top: 1px solid var(--border-light);
}
.article-footer-nav .nav-side {
  flex: 1;
  min-width: 0;
}
.article-footer-nav .nav-side span {
  display: block;
  font-size: 12px;
  color: var(--text-sub);
  margin-bottom: 4px;
}
.article-footer-nav .nav-side a {
  font-size: 14px;
  color: var(--green-deep);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: inline-block;
  max-width: 100%;
  transition: var(--transition);
}
.article-footer-nav .nav-side a:hover { color: var(--gold); }
.article-footer-nav .nav-side:last-child { text-align: right; }
.back-list {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--text-sub);
  background: #fff;
  transition: var(--transition);
  white-space: nowrap;
}
.back-list:hover {
  border-color: var(--gold);
  color: var(--green-deep);
  box-shadow: var(--shadow-card);
}

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 28px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all .25s ease;
  text-decoration: none;
  letter-spacing: .2px;
}
.btn:active {
  transform: scale(.97);
  opacity: .9;
}
.btn-primary {
  background: var(--gold);
  color: var(--dark);
}
.btn-primary:hover {
  background: var(--gold-soft);
  box-shadow: 0 4px 12px rgba(201, 168, 106, .4);
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent;
  border-color: var(--gold);
  color: var(--gold);
}
.btn-outline:hover {
  background: var(--gold);
  color: var(--dark);
}
.btn-lg {
  min-height: 56px;
  padding: 0 40px;
  font-size: 17px;
}

/* ========== Related Section ========== */
.related-section {
  background: var(--light-alt);
  padding: 80px 0;
}
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 36px;
}
.section-head h2 {
  font-size: clamp(1.375rem, 2.5vw, 1.75rem);
  font-weight: 700;
  color: var(--text);
  position: relative;
  padding-bottom: 12px;
}
.section-head h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 44px;
  height: 3px;
  background: var(--gold);
  border-radius: 2px;
}
.section-head .section-more {
  font-size: 14px;
  color: var(--green-deep);
  font-weight: 600;
  transition: var(--transition);
  white-space: nowrap;
}
.section-head .section-more:hover {
  color: var(--gold);
}
.related-card-cell {
  margin-bottom: 24px;
}
.related-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}
.related-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.related-card-img {
  aspect-ratio: 12 / 5;
  overflow: hidden;
  background: #EDEAE2;
}
.related-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.related-card:hover .related-card-img img {
  transform: scale(1.04);
}
.related-card-body {
  padding: 20px 22px 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}
.related-card-body h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.5;
  transition: var(--transition);
}
.related-card:hover .related-card-body h3 {
  color: var(--green-deep);
}
.related-card-body p {
  font-size: 13px;
  color: var(--text-sub);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-card-link {
  margin-top: auto;
  font-size: 14px;
  font-weight: 600;
  color: var(--gold);
}
.related-card-link i {
  transition: transform .25s ease;
}
.related-card:hover .related-card-link i {
  transform: translateX(4px);
}

/* ========== CTA Section ========== */
.cta-section {
  background:
    linear-gradient(105deg, rgba(12, 15, 14, .96) 25%, rgba(12, 15, 14, .62) 60%, rgba(12, 15, 14, .35)),
    url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
  padding: 96px 24px;
  text-align: center;
  position: relative;
}
.cta-inner {
  max-width: 700px;
  margin: 0 auto;
}
.cta-tag {
  display: inline-block;
  padding: 5px 16px;
  border: 1px solid rgba(201, 168, 106, .5);
  color: var(--gold);
  border-radius: 999px;
  font-size: 13px;
  letter-spacing: 1px;
  margin-bottom: 24px;
}
.cta-section h2 {
  font-size: clamp(1.5rem, 3vw, 2.125rem);
  font-weight: 700;
  color: var(--text-invert);
  line-height: 1.3;
  margin-bottom: 16px;
}
.cta-section p {
  font-size: 15px;
  color: var(--text-invert-sub);
  margin-bottom: 32px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}
.cta-section .btn {
  min-width: 220px;
}
.cta-note {
  display: block;
  margin-top: 16px;
  font-size: 12px;
  color: rgba(255, 255, 255, .45);
}

/* ========== Footer ========== */
.site-footer {
  background: var(--dark);
  border-top: 1px solid rgba(201, 168, 106, .35);
  padding: 64px 0 0;
  color: rgba(255, 255, 255, .65);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand h4 {
  font-size: 18px;
  color: var(--text-invert);
  margin-bottom: 14px;
}
.footer-brand h4 em {
  font-style: normal;
  color: var(--gold);
}
.footer-brand p {
  font-size: 13px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .5);
  max-width: 300px;
}
.site-footer h5 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-invert);
  margin-bottom: 16px;
}
.site-footer ul li {
  margin-bottom: 10px;
}
.site-footer ul a,
.site-footer ul span {
  font-size: 14px;
  color: rgba(255, 255, 255, .55);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.site-footer ul a:hover {
  color: var(--gold);
  padding-left: 4px;
}
.site-footer ul i {
  color: var(--gold);
  font-size: 11px;
}
.footer-bottom {
  border-top: 1px solid var(--border-dark);
  padding: 20px 0;
  text-align: center;
}
.footer-bottom p {
  font-size: 13px;
  color: rgba(255, 255, 255, .4);
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .sidebar-nav {
    width: 100%;
    height: var(--topbar-h);
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    border-right: 0;
    border-bottom: 1px solid var(--border-dark);
  }
  .brand {
    height: var(--topbar-h);
    border-bottom: 0;
    padding: 0;
    gap: 8px;
  }
  .brand__mark {
    width: 30px;
    height: 30px;
  }
  .brand__name strong { font-size: 15px; }
  .brand__name small { display: none; }
  .nav-toggle {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    background: transparent;
    border: 0;
    padding: 0;
    cursor: pointer;
    order: -1;
    z-index: 5;
  }
  .nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--gold);
    border-radius: 2px;
    transition: transform .3s ease, opacity .3s ease;
  }
  .nav-hotline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--gold);
    border: 1px solid var(--border-dark);
    border-radius: 50%;
    font-size: 15px;
    transition: var(--transition);
  }
  .nav-hotline:hover {
    border-color: var(--gold);
    background: rgba(201, 168, 106, .08);
  }
  .main-nav,
  .sidebar-divider,
  .sidebar-bottom {
    display: none;
  }
  .sidebar-nav.drawer-open {
    width: 100%;
    height: 100vh;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: 0;
    overflow-y: auto;
    background: var(--dark);
  }
  .sidebar-nav.drawer-open .nav-toggle {
    position: absolute;
    top: 6px;
    left: 16px;
  }
  .sidebar-nav.drawer-open .nav-toggle span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .sidebar-nav.drawer-open .nav-toggle span:nth-child(2) {
    transform: translateY(-7px) rotate(-45deg);
  }
  .sidebar-nav.drawer-open .brand {
    height: var(--topbar-h);
    justify-content: center;
    padding-left: 28px;
  }
  .sidebar-nav.drawer-open .nav-hotline {
    position: absolute;
    top: 8px;
    right: 16px;
  }
  .sidebar-nav.drawer-open .main-nav {
    display: flex;
    flex-direction: column;
    padding: 24px 24px 0;
    gap: 6px;
    animation: menuIn .3s ease;
  }
  .sidebar-nav.drawer-open .main-nav a {
    height: 52px;
    font-size: 16px;
    padding: 0 16px;
  }
  .sidebar-nav.drawer-open .sidebar-divider {
    display: block;
    margin: 20px 24px 0;
  }
  .sidebar-nav.drawer-open .sidebar-bottom {
    display: block;
    padding: 20px 24px 40px;
    animation: menuIn .4s ease;
  }
  .main-wrapper {
    margin-left: 0;
    padding-top: var(--topbar-h);
  }
  .article-topline {
    margin: -48px -16px 32px;
  }
  .article-main {
    padding: 48px 16px 64px;
  }
}
@keyframes menuIn {
  from { opacity: 0; transform: translateY(-12px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px 24px;
  }
  .cta-section {
    padding: 64px 16px;
  }
}

@media (max-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .section-head {
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 24px;
  }
  .article-footer-nav {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }
  .article-footer-nav .nav-side:last-child {
    text-align: left;
  }
  .back-list {
    justify-content: center;
    order: -1;
  }
  .article-meta {
    gap: 4px 12px;
  }
  .cta-section .btn {
    min-width: 100%;
  }
}

/* roulang page: category2 */
:root {
      --primary: #0B3B2D;
      --primary-dark: #072A20;
      --gold: #C9A86A;
      --gold-soft: #D9BB80;
      --dark-bg: #0C0F0E;
      --light-bg: #F6F4EE;
      --text-dark: #22261F;
      --text-sub: #6B726B;
      --text-light: #F2F0E9;
      --text-weak: rgba(255,255,255,.45);
      --success: #2FBF71;
      --warning: #E88932;
      --border-dark: rgba(255,255,255,.08);
      --border-light: rgba(0,0,0,.08);
      --radius-lg: 12px;
      --radius-md: 8px;
      --radius-pill: 999px;
      --shadow-card: 0 1px 2px rgba(0,0,0,.04), 0 1px 6px rgba(0,0,0,.04);
      --shadow-hover: 0 8px 24px rgba(0,0,0,.10);
      --shadow-btn: 0 4px 12px rgba(201,168,106,.4);
      --transition: all .25s ease;
    }

    *,
    *::before,
    *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      background: var(--light-bg);
      color: var(--text-dark);
      font-size: 15px;
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }

    a:hover {
      color: var(--gold);
    }

    ul,
    ol {
      list-style: none;
    }

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

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
      position: relative;
      z-index: 1;
    }

    /* ===== Sidebar ===== */
    .sidebar-nav {
      position: fixed;
      top: 0;
      left: 0;
      bottom: 0;
      width: 220px;
      background: var(--dark-bg);
      border-right: 1px solid var(--border-dark);
      display: flex;
      flex-direction: column;
      z-index: 1000;
    }

    .brand {
      display: flex;
      align-items: center;
      height: 72px;
      padding: 0 20px;
      gap: 10px;
      border-bottom: 1px solid var(--border-dark);
      flex-shrink: 0;
    }

    .brand__mark {
      width: 36px;
      height: 36px;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .brand__mark svg {
      width: 32px;
      height: 32px;
      fill: none;
      stroke: var(--gold);
      stroke-width: 1.6;
      stroke-linejoin: round;
    }

    .brand__name {
      display: flex;
      flex-direction: column;
      line-height: 1.2;
    }

    .brand__name strong {
      color: var(--text-light);
      font-size: 17px;
      font-weight: 700;
      letter-spacing: .5px;
    }

    .brand__name strong em {
      font-style: normal;
      color: var(--gold);
      font-weight: 700;
    }

    .brand__name small {
      color: rgba(255,255,255,.4);
      font-size: 12px;
      letter-spacing: 2px;
      margin-top: 2px;
    }

    .main-nav {
      flex: 1;
      padding: 18px 0;
      display: flex;
      flex-direction: column;
      gap: 2px;
      overflow-y: auto;
    }

    .main-nav a {
      display: flex;
      align-items: center;
      height: 48px;
      padding: 0 16px;
      color: rgba(255,255,255,.65);
      font-size: 15px;
      border-left: 3px solid transparent;
      transition: var(--transition);
    }

    .main-nav a i {
      width: 16px;
      text-align: center;
      margin-right: 14px;
      color: rgba(255,255,255,.35);
      font-size: 14px;
      transition: var(--transition);
    }

    .main-nav a:hover {
      background: rgba(255,255,255,.06);
      color: var(--text-light);
    }

    .main-nav a:hover i {
      color: var(--gold);
    }

    .main-nav a.is-active {
      color: var(--gold);
      border-left-color: var(--gold);
    }

    .main-nav a.is-active i {
      color: var(--gold);
    }

    .sidebar-divider {
      height: 1px;
      background: var(--border-dark);
      margin: 8px 16px;
      flex-shrink: 0;
    }

    .sidebar-bottom {
      padding: 16px 20px 20px;
      display: flex;
      flex-direction: column;
      gap: 4px;
      flex-shrink: 0;
    }

    .sidebar-bottom p {
      color: rgba(255,255,255,.45);
      font-size: 13px;
      font-weight: 600;
      margin: 0;
    }

    .sidebar-bottom span {
      color: rgba(255,255,255,.25);
      font-size: 12px;
    }

    /* ===== Mobile topbar ===== */
    .mobile-topbar {
      display: none;
      position: sticky;
      top: 0;
      z-index: 999;
      height: 56px;
      background: var(--dark-bg);
      align-items: center;
      justify-content: space-between;
      padding: 0 16px;
      border-bottom: 1px solid var(--border-dark);
    }

    .mobile-menu-btn {
      display: flex;
      flex-direction: column;
      gap: 6px;
      width: 44px;
      height: 44px;
      align-items: center;
      justify-content: center;
      background: transparent;
    }

    .mobile-menu-btn span {
      width: 20px;
      height: 2px;
      background: var(--text-light);
      border-radius: 2px;
      transition: var(--transition);
    }

    .mobile-logo {
      font-size: 16px;
      color: var(--text-light);
      font-weight: 700;
      letter-spacing: .5px;
    }

    .mobile-logo em {
      font-style: normal;
      color: var(--gold);
    }

    .mobile-consult {
      background: var(--gold);
      color: var(--text-dark);
      font-size: 13px;
      font-weight: 600;
      padding: 8px 16px;
      border-radius: var(--radius-pill);
      line-height: 1.4;
    }

    .mobile-consult:hover {
      background: var(--gold-soft);
      color: var(--text-dark);
    }

    /* ===== Content wrapper ===== */
    .content-wrapper {
      margin-left: 220px;
      min-height: 100vh;
      display: flex;
      flex-direction: column;
    }

    /* ===== Buttons ===== */
    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: var(--gold);
      color: var(--text-dark);
      font-size: 15px;
      font-weight: 600;
      padding: 12px 28px;
      border-radius: var(--radius-md);
      border: 1px solid transparent;
      transition: var(--transition);
      cursor: pointer;
      line-height: 1.4;
      min-height: 44px;
    }

    .btn-primary:hover {
      background: var(--gold-soft);
      box-shadow: var(--shadow-btn);
      color: var(--text-dark);
      transform: translateY(-1px);
    }

    .btn-primary:active {
      transform: scale(.97);
      opacity: .9;
    }

    .btn-ghost {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: transparent;
      color: var(--gold);
      font-size: 15px;
      font-weight: 500;
      padding: 12px 28px;
      border-radius: var(--radius-md);
      border: 1px solid rgba(201,168,106,.6);
      transition: var(--transition);
      cursor: pointer;
      line-height: 1.4;
      min-height: 44px;
    }

    .btn-ghost:hover {
      background: var(--gold);
      color: var(--text-dark);
    }

    .btn-ghost:active {
      transform: scale(.97);
      opacity: .9;
    }

    .btn-lg {
      padding: 16px 40px;
      font-size: 17px;
      border-radius: var(--radius-md);
      min-height: 56px;
    }

    /* ===== Page Hero ===== */
    .page-hero {
      min-height: 460px;
      position: relative;
      display: flex;
      align-items: center;
      padding: 72px 0;
      background-size: cover;
      background-position: center;
      background-repeat: no-repeat;
    }

    .page-hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(105deg, rgba(12,15,14,.96) 25%, rgba(12,15,14,.55) 60%, rgba(12,15,14,.25));
    }

    .hero-content {
      position: relative;
      z-index: 1;
      max-width: 700px;
    }

    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      border: 1px solid rgba(201,168,106,.5);
      border-radius: var(--radius-pill);
      color: var(--gold);
      font-size: 13px;
      letter-spacing: .5px;
      margin-bottom: 22px;
      background: rgba(201,168,106,.1);
    }

    .hero-tag i {
      font-size: 12px;
    }

    .page-hero h1 {
      font-size: clamp(1.75rem, 4vw, 2.375rem);
      font-weight: 700;
      line-height: 1.25;
      color: var(--text-light);
      margin-bottom: 18px;
      letter-spacing: 1px;
    }

    .hero-desc {
      color: rgba(255,255,255,.72);
      font-size: 16px;
      line-height: 1.85;
      margin-bottom: 32px;
      max-width: 540px;
    }

    .hero-actions {
      display: flex;
      gap: 14px;
      flex-wrap: wrap;
    }

    /* ===== Breadcrumb ===== */
    .breadcrumb-bar {
      background: var(--light-bg);
      border-bottom: 1px solid var(--border-light);
      padding: 14px 0;
    }

    .breadcrumb-bar .container {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: var(--text-sub);
    }

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

    .breadcrumb-bar i {
      font-size: 11px;
      color: rgba(0,0,0,.25);
    }

    .breadcrumb-bar .current {
      color: var(--text-dark);
      font-weight: 600;
    }

    /* ===== Section headings ===== */
    .section-head {
      text-align: center;
      max-width: 640px;
      margin: 0 auto 48px;
    }

    .section-tag {
      display: inline-block;
      padding: 5px 16px;
      border-radius: var(--radius-pill);
      background: rgba(11,59,45,.08);
      color: var(--primary);
      font-size: 13px;
      font-weight: 600;
      letter-spacing: .5px;
      margin-bottom: 14px;
    }

    .section-head h2 {
      font-size: clamp(1.375rem, 2.5vw, 1.75rem);
      font-weight: 700;
      line-height: 1.35;
      color: var(--text-dark);
      margin-bottom: 12px;
    }

    .section-head p {
      color: var(--text-sub);
      font-size: 15px;
      line-height: 1.7;
    }

    /* ===== Stats ===== */
    .stats-section {
      background: var(--light-bg);
      padding: 56px 0;
      border-bottom: 1px solid var(--border-light);
    }

    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }

    .stat-card {
      background: var(--white);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: 28px 20px;
      text-align: center;
      box-shadow: var(--shadow-card);
      transition: var(--transition);
    }

    .stat-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-3px);
    }

    .stat-num {
      font-size: 34px;
      font-weight: 700;
      color: var(--primary);
      font-variant-numeric: tabular-nums;
      line-height: 1.2;
      margin-bottom: 6px;
      letter-spacing: .5px;
    }

    .stat-label {
      font-size: 14px;
      color: var(--text-sub);
    }

    /* ===== Features ===== */
    .features-section {
      background: var(--dark-bg);
      padding: 80px 0;
    }

    .features-section .section-tag {
      background: rgba(201,168,106,.1);
      color: var(--gold);
    }

    .features-section .section-head h2 {
      color: var(--text-light);
    }

    .features-section .section-head p {
      color: rgba(255,255,255,.6);
    }

    .features-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .feature-card {
      background: rgba(255,255,255,.03);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-lg);
      padding: 28px 24px;
      transition: var(--transition);
      position: relative;
    }

    .feature-card::after {
      content: '';
      position: absolute;
      left: 0;
      bottom: 0;
      width: 100%;
      height: 2px;
      background: linear-gradient(90deg, transparent, var(--gold), transparent);
      opacity: 0;
      transition: var(--transition);
    }

    .feature-card:hover {
      background: rgba(255,255,255,.06);
      transform: translateY(-4px);
    }

    .feature-card:hover::after {
      opacity: 1;
    }

    .feature-card .icon-wrap {
      width: 52px;
      height: 52px;
      border-radius: 12px;
      background: rgba(201,168,106,.12);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 18px;
    }

    .feature-card .icon-wrap i {
      font-size: 20px;
      color: var(--gold);
    }

    .feature-card h3 {
      color: var(--text-light);
      font-size: 17px;
      font-weight: 600;
      margin-bottom: 10px;
    }

    .feature-card p {
      color: rgba(255,255,255,.55);
      font-size: 14px;
      line-height: 1.7;
    }

    /* ===== Scenarios ===== */
    .scenario-section {
      background: var(--light-bg);
      padding: 80px 0;
    }

    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .scenario-card {
      background: var(--white);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: 32px 28px;
      box-shadow: var(--shadow-card);
      transition: var(--transition);
      text-align: center;
    }

    .scenario-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-4px);
    }

    .scenario-icon {
      width: 60px;
      height: 60px;
      margin: 0 auto 18px;
      border-radius: 50%;
      background: rgba(11,59,45,.08);
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .scenario-icon i {
      font-size: 24px;
      color: var(--primary);
    }

    .scenario-card h3 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--text-dark);
    }

    .scenario-card p {
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.75;
    }

    /* ===== Process ===== */
    .process-section {
      background: var(--primary);
      padding: 80px 0;
      position: relative;
      overflow: hidden;
    }

    .process-section::before {
      content: '';
      position: absolute;
      width: 400px;
      height: 400px;
      border-radius: 50%;
      background: rgba(201,168,106,.05);
      top: -120px;
      right: -100px;
    }

    .process-section .container {
      z-index: 1;
    }

    .process-section .section-tag {
      background: rgba(201,168,106,.12);
      color: var(--gold);
    }

    .process-section .section-head h2 {
      color: var(--text-light);
    }

    .process-section .section-head p {
      color: rgba(255,255,255,.55);
    }

    .process-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .step {
      background: rgba(255,255,255,.04);
      border: 1px solid rgba(255,255,255,.1);
      border-radius: var(--radius-lg);
      padding: 32px 24px;
      transition: var(--transition);
      position: relative;
    }

    .step:hover {
      background: rgba(255,255,255,.08);
      transform: translateY(-4px);
    }

    .step-num {
      font-size: 32px;
      font-weight: 700;
      color: rgba(201,168,106,.4);
      font-variant-numeric: tabular-nums;
      display: block;
      margin-bottom: 16px;
      letter-spacing: 1px;
    }

    .step h3 {
      color: var(--text-light);
      font-size: 16px;
      font-weight: 600;
      margin-bottom: 10px;
    }

    .step p {
      color: rgba(255,255,255,.55);
      font-size: 14px;
      line-height: 1.7;
    }

    /* ===== Content cards ===== */
    .content-cards-section {
      background: var(--light-bg);
      padding: 80px 0;
    }

    .card-list {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .content-card {
      background: var(--white);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-card);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .content-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-6px);
    }

    .card-cover {
      aspect-ratio: 16 / 10;
      overflow: hidden;
      background: #EDEAE2;
    }

    .card-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .35s ease;
    }

    .content-card:hover .card-cover img {
      transform: scale(1.04);
    }

    .card-body {
      padding: 22px 20px 18px;
      display: flex;
      flex-direction: column;
      flex: 1;
    }

    .badge {
      display: inline-block;
      padding: 4px 12px;
      border: 1px solid rgba(11,59,45,.2);
      border-radius: var(--radius-pill);
      color: var(--primary);
      font-size: 12px;
      font-weight: 600;
      margin-bottom: 12px;
      align-self: flex-start;
      background: rgba(11,59,45,.04);
    }

    .card-body h3 {
      font-size: 17px;
      font-weight: 700;
      line-height: 1.5;
      margin-bottom: 10px;
      color: var(--text-dark);
    }

    .card-body p {
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.7;
      flex: 1;
      margin-bottom: 16px;
    }

    .card-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      color: rgba(0,0,0,.4);
      font-size: 13px;
      font-variant-numeric: tabular-nums;
      border-top: 1px solid var(--border-light);
      padding-top: 14px;
    }

    .card-meta i {
      color: var(--gold);
      font-size: 14px;
      transition: var(--transition);
    }

    .content-card:hover .card-meta i {
      transform: translateX(4px);
    }

    /* ===== CTA ===== */
    .cta-section {
      background: var(--dark-bg);
      padding: 96px 0;
      position: relative;
    }

    .cta-section::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(rgba(12,15,14,.82), rgba(12,15,14,.82)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
    }

    .cta-section .container {
      z-index: 1;
      text-align: center;
      position: relative;
    }

    .cta-tag {
      display: inline-block;
      padding: 6px 16px;
      border-radius: var(--radius-pill);
      border: 1px solid rgba(201,168,106,.5);
      color: var(--gold);
      font-size: 13px;
      letter-spacing: .5px;
      margin-bottom: 20px;
    }

    .cta-section h2 {
      font-size: clamp(1.5rem, 3vw, 2rem);
      font-weight: 700;
      color: var(--text-light);
      margin-bottom: 16px;
      letter-spacing: 1px;
    }

    .cta-section p {
      color: rgba(255,255,255,.6);
      font-size: 15px;
      margin-bottom: 36px;
    }

    .cta-note {
      display: block;
      margin-top: 18px;
      color: rgba(255,255,255,.4);
      font-size: 13px;
    }

    /* ===== FAQ ===== */
    .faq-section {
      background: var(--light-bg);
      padding: 80px 0;
    }

    .faq-list {
      max-width: 780px;
      margin: 0 auto;
    }

    .faq-item {
      border-bottom: 1px solid var(--border-light);
    }

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 22px 8px;
      font-size: 16px;
      font-weight: 600;
      color: var(--text-dark);
      background: transparent;
      text-align: left;
      transition: var(--transition);
      min-height: 44px;
    }

    .faq-question i {
      font-size: 14px;
      color: var(--gold);
      transition: transform .25s ease;
      flex-shrink: 0;
      margin-left: 16px;
      width: 24px;
      height: 24px;
      border-radius: 50%;
      background: rgba(201,168,106,.12);
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .faq-item.is-active .faq-question i {
      transform: rotate(45deg);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height .35s ease;
    }

    .faq-answer p {
      padding: 0 8px 20px;
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.75;
    }

    .faq-item.is-active .faq-answer {
      max-height: 500px;
    }

    /* ===== Footer ===== */
    .site-footer {
      background: var(--dark-bg);
      border-top: 1px solid rgba(201,168,106,.2);
      padding: 56px 0 0;
      margin-top: auto;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 40px;
      padding-bottom: 44px;
    }

    .footer-brand h4 {
      color: var(--text-light);
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 12px;
    }

    .footer-brand h4 em {
      font-style: normal;
      color: var(--gold);
    }

    .footer-brand p {
      color: rgba(255,255,255,.45);
      font-size: 14px;
      line-height: 1.7;
      max-width: 280px;
      margin: 0;
    }

    .site-footer h5 {
      color: rgba(255,255,255,.75);
      font-size: 15px;
      font-weight: 600;
      margin-bottom: 16px;
    }

    .site-footer ul {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .site-footer ul a,
    .site-footer ul span {
      color: rgba(255,255,255,.45);
      font-size: 14px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: var(--transition);
    }

    .site-footer ul a i {
      font-size: 12px;
      color: var(--gold);
    }

    .site-footer ul a:hover {
      color: var(--gold);
      padding-left: 3px;
    }

    .footer-bottom {
      border-top: 1px solid var(--border-dark);
      padding: 20px 0;
      text-align: center;
    }

    .footer-bottom p {
      color: rgba(255,255,255,.35);
      font-size: 13px;
      margin: 0;
    }

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
      .sidebar-nav {
        display: none;
        position: fixed;
        width: 100%;
        max-width: 320px;
        background: var(--dark-bg);
        box-shadow: 4px 0 24px rgba(0,0,0,.4);
      }

      .sidebar-nav.is-open {
        display: flex;
      }

      .mobile-topbar {
        display: flex;
      }

      .content-wrapper {
        margin-left: 0;
      }

      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
      }
    }

    @media (max-width: 768px) {
      .hero-actions {
        flex-direction: column;
        align-items: flex-start;
      }

      .hero-actions .btn-primary,
      .hero-actions .btn-ghost {
        width: 100%;
        justify-content: center;
      }

      .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
      }

      .features-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
      }

      .scenario-grid {
        grid-template-columns: 1fr;
        gap: 16px;
      }

      .process-steps {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
      }

      .card-list {
        grid-template-columns: 1fr;
        gap: 20px;
      }

      .stats-section,
      .features-section,
      .scenario-section,
      .process-section,
      .content-cards-section,
      .faq-section {
        padding: 56px 0;
      }

      .cta-section {
        padding: 64px 0;
      }

      .section-head {
        margin-bottom: 32px;
      }
    }

    @media (max-width: 520px) {
      .container {
        padding: 0 16px;
      }

      .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
      }

      .stat-card {
        padding: 20px 12px;
      }

      .stat-num {
        font-size: 26px;
      }

      .features-grid {
        grid-template-columns: 1fr;
      }

      .process-steps {
        grid-template-columns: 1fr;
      }

      .footer-grid {
        grid-template-columns: 1fr;
      }

      .page-hero {
        min-height: 420px;
        padding: 48px 0;
      }

      .page-hero h1 {
        font-size: 26px;
      }

      .hero-desc {
        font-size: 15px;
      }

      .footer-bottom p {
        font-size: 12px;
      }
    }