/* roulang page: index */
:root{
  --brand:#F2512B;
  --brand-deep:#C93A17;
  --brand-soft:#FFF1EB;
  --lime:#D8F94B;
  --lime-ink:#5E6B10;
  --ink:#1A1714;
  --ink-deep:#14120F;
  --text:#3A342E;
  --muted:#7C736A;
  --line:#E8E2D9;
  --bg:#F7F4EF;
  --card:#FFFFFF;
  --hover:#FBFAF7;
  --hot:#E11D48;
  --r-lg:20px;
  --r-md:18px;
  --r-sm:12px;
  --shadow-1:0 1px 2px rgba(26,23,20,.05);
  --shadow-2:0 16px 32px -18px rgba(26,23,20,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input{font:inherit;}
a:focus-visible,button:focus-visible,summary:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
  border-radius:6px;
}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media(min-width:640px){.container{padding-left:24px;padding-right:24px;}}
@media(min-width:1024px){.container{padding-left:32px;padding-right:32px;}}

.num{font-variant-numeric:tabular-nums;}

/* ============ 顶部公告条 ============ */
.topbar{
  background:var(--ink-deep);
  color:rgba(255,255,255,.82);
  font-size:13px;
  line-height:1.6;
}
.topbar-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:36px;gap:12px;
}
.topbar-left{display:flex;align-items:center;gap:8px;min-width:0;}
.topbar-dot{width:6px;height:6px;border-radius:50%;background:var(--lime);flex:0 0 auto;}
.topbar-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-text a{color:var(--lime);text-decoration:underline;text-underline-offset:4px;}
.topbar-close{
  width:22px;height:22px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  color:rgba(255,255,255,.6);flex:0 0 auto;
  transition:color .18s var(--ease),background .18s var(--ease);
}
.topbar-close:hover{color:#fff;background:rgba(255,255,255,.1);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,239,.86);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px;}
.brand{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.brand-name{font-size:19px;font-weight:700;color:var(--ink);letter-spacing:-.01em;line-height:1.2;}
.brand-dot{width:6px;height:6px;border-radius:50%;background:var(--lime);flex:0 0 auto;}
.nav-links{display:flex;align-items:center;gap:30px;}
.nav-link{
  position:relative;display:inline-block;
  font-size:16px;color:var(--text);padding:6px 0;
  transition:color .18s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:0;
  width:0;height:2px;background:var(--brand);
  transform:translateX(-50%);
  transition:width .18s var(--ease);
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{width:100%;}
.nav-link.is-active{color:var(--ink);font-weight:600;}
.nav-link.is-active::after{width:100%;}
.nav-right{display:flex;align-items:center;gap:16px;flex:0 0 auto;}
.icon-btn{
  width:38px;height:38px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  color:var(--text);
  transition:background .18s var(--ease),color .18s var(--ease);
}
.icon-btn:hover{background:var(--hover);color:var(--ink);}
.burger{display:none;width:40px;height:40px;border-radius:10px;flex-direction:column;align-items:center;justify-content:center;gap:5px;}
.burger span{display:block;width:20px;height:1.5px;background:var(--ink);border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease);}
.burger.is-open span:nth-child(1){transform:translateY(6.5px) rotate(45deg);}
.burger.is-open span:nth-child(2){opacity:0;}
.burger.is-open span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg);}

.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(84vw,340px);
  background:#fff;z-index:80;
  transform:translateX(102%);
  transition:transform .26s var(--ease);
  box-shadow:-20px 0 40px -24px rgba(26,23,20,.35);
  padding:20px 20px calc(24px + env(safe-area-inset-bottom));
  overflow-y:auto;
  display:flex;flex-direction:column;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:8px;}
.drawer-title{font-size:16px;font-weight:700;color:var(--ink);}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  height:56px;font-size:20px;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer-link.is-active{color:var(--brand);}
.drawer-cta{margin-top:24px;}
.mask{
  position:fixed;inset:0;background:rgba(20,18,15,.45);
  opacity:0;pointer-events:none;transition:opacity .26s var(--ease);z-index:70;
}
.mask.is-open{opacity:1;pointer-events:auto;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;padding:13px 26px;
  font-size:15.5px;font-weight:600;line-height:1;
  transition:background .2s var(--ease),color .2s var(--ease),
             transform .2s var(--ease),box-shadow .2s var(--ease),
             border-color .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-1px);}
.btn-sm{padding:10px 18px;font-size:14.5px;}
.btn-lime{background:var(--lime);color:var(--lime-ink);}
.btn-lime:hover{background:#c8eb33;color:#4d5a08;transform:translateY(-1px);}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-size:15px;font-weight:600;
  text-decoration:underline;text-underline-offset:4px;
  transition:color .18s var(--ease);
}
.text-link .arrow{transition:transform .18s var(--ease);display:inline-block;}
.text-link:hover{color:var(--brand-deep);}
.text-link:hover .arrow{transform:translateX(3px);}

/* ============ 徽章 / 标签 ============ */
.chip{
  display:inline-flex;align-items:center;
  background:var(--lime);color:var(--lime-ink);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  padding:4px 10px;border-radius:999px;line-height:1.5;
}
.chip-soft{
  display:inline-flex;align-items:center;
  background:var(--brand-soft);color:var(--brand-deep);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  padding:4px 10px;border-radius:999px;line-height:1.5;
}
.chip-line{
  display:inline-flex;align-items:center;
  border:1px solid var(--line);background:#fff;color:var(--muted);
  font-size:12.5px;padding:4px 12px;border-radius:999px;line-height:1.5;
  transition:border-color .18s var(--ease),color .18s var(--ease);
}
.chip-line:hover{border-color:rgba(242,81,43,.35);color:var(--brand-deep);}
.badge-dark{
  position:absolute;z-index:3;
  background:rgba(26,23,20,.7);color:#fff;
  font-size:12px;padding:3px 8px;border-radius:8px;line-height:1.5;
}
.hot-line{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--muted);}
.hot-dot{width:6px;height:6px;border-radius:50%;background:var(--hot);flex:0 0 auto;}

/* ============ 区块 ============ */
.section{padding:56px 0;}
@media(min-width:1024px){.section{padding:96px 0;}}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:20px;margin-bottom:28px;flex-wrap:wrap;
}
.section-title{font-size:30px;line-height:1.3;font-weight:700;color:var(--ink);letter-spacing:-.015em;}
.section-desc{font-size:15px;color:var(--muted);margin-top:8px;max-width:560px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand-deep);
  letter-spacing:.06em;margin-bottom:10px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--brand);border-radius:2px;}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:48px 0 64px;}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-1.webp);
  background-size:cover;background-position:center;
  opacity:.07;pointer-events:none;
}
.hero::after{
  content:"";position:absolute;left:-120px;top:-80px;width:380px;height:380px;
  border-radius:50%;background:var(--brand-soft);filter:blur(6px);opacity:.7;
  pointer-events:none;
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:40px;align-items:center;}
@media(min-width:1024px){
  .hero{padding:72px 0 96px;}
  .hero-grid{grid-template-columns:repeat(12,1fr);gap:24px;}
  .hero-copy{grid-column:span 6;}
  .hero-visual{grid-column:span 6;}
}
.hero h1{
  font-size:30px;line-height:1.25;font-weight:700;letter-spacing:-.02em;
  color:var(--ink);margin:16px 0 0;
}
@media(min-width:1024px){.hero h1{font-size:44px;line-height:1.15;}}
.hero-sub{font-size:17px;color:var(--muted);margin-top:18px;max-width:520px;line-height:1.8;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:32px;margin-top:40px;
  padding-top:28px;border-top:1px solid var(--line);
}
.hero-stat-num{font-size:26px;font-weight:700;color:var(--ink);line-height:1.2;}
.hero-stat-label{font-size:13px;color:var(--muted);margin-top:4px;}

.hero-visual{position:relative;}
.hero-cards{display:flex;gap:16px;align-items:flex-start;}
.hero-cards > .v-card:first-child{margin-top:0;}
.hero-sub-col{display:flex;flex-direction:column;gap:16px;margin-top:10px;}

/* ============ 竖屏片段卡 ============ */
.v-card{
  position:relative;flex:0 0 auto;
  width:min(72vw,260px);
  border-radius:var(--r-lg);overflow:hidden;
  background:var(--ink-deep);
  aspect-ratio:9/16;
  scroll-snap-align:start;
  box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
@media(min-width:1024px){.v-card{width:100%;}}
.v-card img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.v-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.v-card:hover img{transform:scale(1.03);}
.v-card--sub{aspect-ratio:12/16;}
.v-card-mask{
  position:absolute;inset:0;z-index:2;
  background:linear-gradient(to top,rgba(26,23,20,.82) 0%,rgba(26,23,20,.25) 42%,rgba(26,23,20,0) 68%);
}
.v-card-body{position:absolute;left:14px;right:14px;bottom:14px;z-index:4;color:#fff;}
.v-card-title{
  font-size:16px;font-weight:600;line-height:1.5;color:#fff;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.v-card-meta{
  display:flex;align-items:center;gap:8px;margin-top:8px;
  font-size:12px;color:rgba(255,255,255,.78);
}
.v-card-hot{color:var(--lime);font-weight:600;}
.play-btn{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:44px;height:44px;border-radius:50%;
  background:rgba(255,255,255,.92);
  display:flex;align-items:center;justify-content:center;
  z-index:3;transition:transform .22s var(--ease);
}
.play-btn::after{
  content:"";display:block;margin-left:3px;
  border-left:11px solid var(--ink);
  border-top:7px solid transparent;
  border-bottom:7px solid transparent;
}
.v-card:hover .play-btn{transform:translate(-50%,-50%) scale(1.08);}
.v-progress{
  position:absolute;left:0;right:0;bottom:0;height:2px;
  background:rgba(255,255,255,.25);z-index:5;
}
.v-progress span{display:block;height:100%;width:62%;background:var(--lime);}

/* ============ 横滑轨 ============ */
.rail{
  display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding-bottom:14px;scrollbar-width:thin;
  -webkit-overflow-scrolling:touch;
}
.rail::-webkit-scrollbar{height:6px;}
.rail::-webkit-scrollbar-thumb{background:var(--line);border-radius:99px;}
.rail::-webkit-scrollbar-track{background:transparent;}
@media(min-width:1024px){
  .rail{display:grid;grid-template-columns:repeat(4,1fr);overflow:visible;padding-bottom:0;}
}
.clip-card{width:min(72vw,260px);aspect-ratio:9/16;position:relative;border-radius:var(--r-lg);overflow:hidden;background:var(--ink-deep);flex:0 0 auto;scroll-snap-align:start;box-shadow:var(--shadow-1);transition:transform .22s var(--ease),box-shadow .22s var(--ease);}
.clip-card img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.clip-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.clip-card:hover img{transform:scale(1.03);}
@media(min-width:1024px){.clip-card{width:auto;}}

/* ============ 种草清单 ============ */
.list-grid{display:grid;grid-template-columns:1fr;gap:0 40px;}
@media(min-width:1024px){.list-grid{grid-template-columns:1fr 1fr;}}
.list-item{
  display:flex;align-items:center;gap:18px;
  min-height:92px;padding:16px 8px;
  border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
.list-item:hover{background:var(--hover);}
.list-item:hover .list-title{text-decoration:underline;text-underline-offset:4px;}
.list-index{
  font-size:22px;font-weight:700;color:var(--brand);
  font-variant-numeric:tabular-nums;flex:0 0 40px;line-height:1;
}
.list-thumb{width:64px;height:64px;border-radius:12px;object-fit:cover;flex:0 0 auto;}
.list-main{flex:1 1 auto;min-width:0;}
.list-title{font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;}
.list-sum{font-size:14px;color:var(--muted);line-height:1.7;margin-top:4px;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.list-tags{display:flex;gap:8px;margin-top:8px;flex-wrap:wrap;}
.list-arrow{color:var(--muted);flex:0 0 auto;transition:transform .18s var(--ease),color .18s var(--ease);}
.list-item:hover .list-arrow{transform:translateX(3px);color:var(--brand);}

/* ============ 资讯卡（CMS） ============ */
.news-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media(min-width:640px){.news-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr);}}
.news-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;display:flex;flex-direction:column;
  box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(242,81,43,.35);}
.news-cover{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--brand-soft);}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.news-card:hover .news-cover img{transform:scale(1.03);}
.news-body{padding:20px;display:flex;flex-direction:column;flex:1 1 auto;}
.news-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);}
.news-title{
  font-size:17.5px;font-weight:600;line-height:1.55;color:var(--ink);
  margin-top:12px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-title a:hover{color:var(--brand-deep);}
.news-excerpt{
  font-size:15px;line-height:1.75;color:var(--muted);margin-top:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{margin-top:auto;padding-top:16px;}

.empty-box{
  grid-column:1/-1;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:12px;padding:56px 24px;text-align:center;
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-md);
}
.empty-icon{
  width:52px;height:52px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;
}
.empty-title{font-size:17px;font-weight:600;color:var(--ink);}
.empty-desc{font-size:14px;color:var(--muted);}

/* ============ 平台价值区 ============ */
.value-grid{display:grid;grid-template-columns:1fr;gap:36px;}
@media(min-width:1024px){.value-grid{grid-template-columns:5fr 7fr;gap:64px;}}
.value-list{display:flex;flex-direction:column;}
.value-item{
  display:flex;gap:18px;padding:22px 0;border-bottom:1px solid var(--line);
}
.value-item:first-child{padding-top:0;}
.value-num{
  font-size:14px;font-weight:700;color:var(--brand);
  font-variant-numeric:tabular-nums;flex:0 0 34px;padding-top:3px;
}
.value-title{font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;}
.value-text{font-size:15px;color:var(--muted);line-height:1.8;margin-top:6px;}
.value-note{
  margin-top:24px;padding:20px 22px;border-radius:var(--r-md);
  background:var(--brand-soft);font-size:15px;color:#6b3a26;line-height:1.85;
}

/* ============ 口碑卡 ============ */
.quote-card{
  width:min(80vw,300px);flex:0 0 auto;scroll-snap-align:start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px;display:flex;flex-direction:column;
  box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.quote-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(242,81,43,.35);}
.quote-mark{font-size:32px;line-height:1;color:var(--lime);font-weight:700;}
.quote-text{
  font-size:15px;line-height:1.8;color:var(--text);margin-top:10px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.quote-foot{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:20px;}
.avatar{
  width:32px;height:32px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;flex:0 0 auto;
}
.quote-name{font-size:14px;font-weight:600;color:var(--ink);line-height:1.4;}
.quote-tag{font-size:12.5px;color:var(--muted);line-height:1.4;}

/* ============ FAQ ============ */
.faq-list{max-width:860px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;text-align:left;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.6;
  transition:color .18s var(--ease);
}
.faq-q:hover{color:var(--brand-deep);}
.faq-icon{
  position:relative;width:18px;height:18px;flex:0 0 auto;
  transition:transform .22s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--muted);border-radius:2px;
  transition:background .18s var(--ease);
}
.faq-icon::before{left:0;top:8px;width:18px;height:1.5px;}
.faq-icon::after{left:8px;top:0;width:1.5px;height:18px;}
.faq-q:hover .faq-icon::before,.faq-q:hover .faq-icon::after{background:var(--brand);}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .22s var(--ease);
}
.faq-item.is-open .faq-a{max-height:340px;}
.faq-a-inner{padding:0 40px 24px 4px;font-size:15.5px;line-height:1.9;color:var(--muted);}

/* ============ 底部 CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--ink-deep);border-radius:24px;
  padding:36px 24px;
}
@media(min-width:1024px){.cta-band{padding:56px 56px;}}
.cta-band::before{
  content:"";position:absolute;right:-80px;bottom:-120px;width:320px;height:320px;
  border-radius:50%;background:rgba(216,249,75,.12);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:32px;align-items:center;}
@media(min-width:1024px){.cta-inner{grid-template-columns:1fr auto;gap:56px;}}
.cta-title{font-size:26px;line-height:1.35;font-weight:700;color:#fff;margin-top:14px;}
@media(min-width:1024px){.cta-title{font-size:32px;}}
.cta-desc{font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.72);margin-top:14px;max-width:520px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.cta-art{
  width:150px;aspect-ratio:9/16;border-radius:18px;overflow:hidden;
  box-shadow:0 24px 48px -24px rgba(0,0,0,.6);flex:0 0 auto;
}
.cta-art img{width:100%;height:100%;object-fit:cover;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink-deep);color:rgba(255,255,255,.72);
  margin-top:80px;padding:64px 0 calc(28px + env(safe-area-inset-bottom));
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;}
@media(min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;}}
.footer-brand{display:flex;align-items:center;gap:8px;color:#fff;}
.footer-brand-name{font-size:19px;font-weight:700;}
.footer-slogan{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.68);margin-top:14px;max-width:320px;}
.footer-col-title{
  display:flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:#fff;letter-spacing:.04em;margin-bottom:16px;
}
.footer-col-title::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--lime);}
.footer-link{
  display:block;font-size:14px;color:rgba(255,255,255,.72);
  padding:6px 0;transition:color .18s var(--ease);
}
.footer-link:hover{color:var(--lime);}
.footer-bottom{
  margin-top:48px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);line-height:1.8;
}
.footer-bottom a{color:rgba(255,255,255,.72);text-decoration:underline;text-underline-offset:4px;}

/* ============ 移动吸底条 ============ */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:90;
  display:none;align-items:center;gap:12px;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);
  border-top:1px solid var(--line);
  padding:8px 16px calc(8px + env(safe-area-inset-bottom));
  min-height:64px;
  box-shadow:0 -8px 24px -18px rgba(26,23,20,.4);
}
.mobile-bar img{width:44px;height:44px;border-radius:12px;object-fit:cover;flex:0 0 auto;}
.mobile-bar-text{flex:1 1 auto;min-width:0;}
.mobile-bar-title{font-size:14px;font-weight:600;color:var(--ink);line-height:1.4;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.mobile-bar-sub{font-size:12px;color:var(--muted);line-height:1.4;}
.mobile-bar .btn{height:44px;padding:0 20px;}
@media(max-width:767px){
  .mobile-bar{display:flex;}
  .site-footer{padding-bottom:calc(96px + env(safe-area-inset-bottom));}
}

/* ============ 响应式导航 ============ */
@media(max-width:1023px){
  .nav{height:60px;gap:12px;}
  .nav-links{display:none;}
  .nav-right .btn{display:none;}
  .burger{display:flex;}
  .brand-name{font-size:17px;}
}
@media(min-width:1024px){
  .drawer,.mask{display:none;}
}

/* ============ 动效偏好 ============ */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .v-card:hover,.clip-card:hover,.news-card:hover,.quote-card:hover,.btn:hover{transform:none;}
  .v-card:hover img,.clip-card:hover img,.news-card:hover .news-cover img{transform:none;}
}

/* roulang page: article */
:root{
  --brand:#F2512B;
  --brand-dark:#C93A17;
  --brand-soft:#FFF1EB;
  --lime:#D8F94B;
  --lime-ink:#5E6B10;
  --ink:#1A1714;
  --ink-deep:#14120F;
  --text:#3A342E;
  --muted:#7C736A;
  --line:#E8E2D9;
  --page:#F7F4EF;
  --card:#FFFFFF;
  --hover:#FBFAF7;
  --hot:#E11D48;
  --r-portrait:20px;
  --r-card:18px;
  --r-sm:12px;
  --shadow-1:0 1px 2px rgba(26,23,20,.05);
  --shadow-2:0 16px 32px -18px rgba(26,23,20,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--page);
  color:var(--text);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:640px){.container{padding:0 24px;}}
@media (min-width:1024px){.container{padding:0 32px;}}
.tnum{font-variant-numeric:tabular-nums;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,239,.86);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px;}
.brand{display:flex;align-items:center;gap:8px;text-decoration:none;color:var(--ink);}
.brand-name{font-size:19px;font-weight:700;line-height:1.2;}
.brand-dot{width:6px;height:6px;border-radius:999px;background:var(--lime);display:inline-block;flex:0 0 auto;}
.nav-links{display:flex;align-items:center;gap:28px;}
.nav-link{
  position:relative;display:inline-block;padding:6px 0;
  font-size:16px;color:var(--text);text-decoration:none;
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:50%;right:50%;bottom:-8px;height:2px;
  background:var(--brand);transition:left .18s var(--ease),right .18s var(--ease);
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{left:0;right:0;}
.nav-link.is-active{color:var(--ink);font-weight:600;}
.nav-link.is-active::after{left:0;right:0;}
.nav-right{display:flex;align-items:center;gap:14px;}
.icon-btn{
  width:40px;height:40px;display:grid;place-items:center;
  background:none;border:0;border-radius:999px;color:var(--ink);
  cursor:pointer;transition:background .2s var(--ease);
}
.icon-btn:hover{background:var(--brand-soft);}
.burger{
  display:none;width:40px;height:40px;background:none;border:0;padding:10px 8px;
  cursor:pointer;flex-direction:column;justify-content:space-between;
}
.burger span{display:block;height:1.5px;background:var(--ink);border-radius:2px;}
@media (max-width:1023px){
  .nav-links{display:none;}
  .burger{display:flex;}
  .nav{min-height:60px;}
  .brand-name{font-size:17px;}
  .nav-right .btn-sm{display:none;}
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;border:1px solid transparent;font-weight:600;
  text-decoration:none;cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{background:var(--brand);color:#fff;padding:13px 26px;font-size:15.5px;}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:0 12px 24px -14px rgba(242,81,43,.75);}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink);padding:13px 26px;font-size:15.5px;}
.btn-ghost:hover{background:var(--ink);color:#fff;}
.btn-sm{padding:9px 18px;font-size:14.5px;}
.btn:focus-visible,.nav-link:focus-visible,.icon-btn:focus-visible,.burger:focus-visible,.link-arrow:focus-visible{
  outline:2px solid var(--brand);outline-offset:2px;
}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-weight:600;font-size:15px;text-decoration:none;
}
.link-arrow span.arw{transition:transform .2s var(--ease);}
.link-arrow:hover span.arw{transform:translateX(3px);}

/* ---------- drawer ---------- */
.drawer{position:fixed;inset:0;z-index:90;background:rgba(26,23,20,.42);opacity:0;pointer-events:none;transition:opacity .25s var(--ease);}
.drawer.is-open{opacity:1;pointer-events:auto;}
.drawer-panel{
  position:absolute;top:0;right:0;height:100%;width:min(84vw,340px);
  background:#fff;padding:20px 22px 32px;display:flex;flex-direction:column;
  transform:translateX(100%);transition:transform .28s var(--ease);
  box-shadow:-24px 0 48px -30px rgba(26,23,20,.4);
  overflow-y:auto;
}
.drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;}
.drawer-title{font-size:15px;color:var(--muted);}
.drawer-close{background:none;border:0;font-size:26px;line-height:1;color:var(--ink);cursor:pointer;padding:4px 6px;border-radius:10px;}
.drawer-close:hover{background:var(--brand-soft);}
.drawer-link{
  display:block;font-size:20px;line-height:56px;color:var(--ink);
  text-decoration:none;border-bottom:1px solid var(--line);
}
.drawer-link.is-active{color:var(--brand);font-weight:600;}
.drawer-cta{margin-top:24px;}

/* ---------- breadcrumb ---------- */
.crumb-bar{padding:22px 0 0;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.breadcrumb a{color:var(--muted);text-decoration:none;}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:#CFC7BB;}
.breadcrumb .current{color:var(--ink);font-weight:600;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.crumb-box{background:var(--card);border:1px solid var(--line);border-radius:999px;padding:10px 18px;display:inline-flex;}

/* ---------- article head ---------- */
.article-head{padding:36px 0 0;max-width:760px;margin:0 auto;}
.tag-cat{
  display:inline-block;background:var(--lime);color:var(--lime-ink);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  padding:4px 10px;border-radius:999px;text-decoration:none;
}
.article-title{
  font-size:40px;line-height:1.15;letter-spacing:-0.02em;font-weight:700;
  color:var(--ink);margin:18px 0 0;
}
.article-lead{font-size:17px;line-height:1.85;color:var(--muted);margin-top:16px;}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  margin-top:22px;padding-top:18px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
.meta-row .dot{width:4px;height:4px;border-radius:999px;background:#CFC7BB;}
.meta-actions{margin-left:auto;display:flex;align-items:center;gap:8px;}
.meta-icon{
  width:36px;height:36px;border-radius:999px;border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;color:var(--ink);cursor:pointer;
  transition:border-color .2s var(--ease),background .2s var(--ease),color .2s var(--ease);
}
.meta-icon:hover{border-color:rgba(242,81,43,.35);background:var(--brand-soft);color:var(--brand-dark);}

/* ---------- hero figure ---------- */
.article-figure{max-width:960px;margin:36px auto 0;}
.article-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-card);border:1px solid var(--line);}
.article-figure figcaption{font-size:13px;color:var(--muted);margin-top:10px;}

/* ---------- body ---------- */
.article-main{padding:44px 0 0;}
.article-body{max-width:760px;margin:0 auto;font-size:16.5px;line-height:1.9;color:var(--text);}
.article-body p{margin:0 0 1.15em;}
.article-body h2{
  position:relative;font-size:26px;line-height:1.4;font-weight:700;color:var(--ink);
  margin:2em 0 .8em;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.35em;width:4px;height:20px;border-radius:2px;background:var(--brand);
}
.article-body h3{font-size:20px;line-height:1.5;font-weight:600;color:var(--ink);margin:1.7em 0 .7em;}
.article-body h4{font-size:17px;line-height:1.5;font-weight:600;color:var(--ink);margin:1.4em 0 .6em;}
.article-body ul,.article-body ol{margin:0 0 1.15em;padding-left:1.5em;}
.article-body ul{list-style:square;}
.article-body ol{list-style:decimal;}
.article-body ul li::marker{color:var(--lime-ink);}
.article-body ol li::marker{color:var(--brand);font-weight:600;}
.article-body li{margin-bottom:.5em;}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:4px;}
.article-body a:hover{color:var(--brand-dark);}
.article-body strong{color:var(--ink);}
.article-body blockquote{
  margin:1.5em 0;padding:18px 22px;background:var(--hover);
  border-left:3px solid var(--lime);border-radius:0 14px 14px 0;color:var(--text);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:14px;margin:1.5em 0;}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px;}
.article-body table{width:100%;border-collapse:collapse;font-size:15.5px;margin:1.5em 0;}
.article-body th{
  background:var(--page);text-align:left;font-weight:600;color:var(--ink);
  padding:12px 14px;border-bottom:1px solid var(--line);
}
.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.2em 0;}

/* ---------- empty ---------- */
.article-empty{
  max-width:760px;margin:0 auto;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:42px 28px;text-align:center;box-shadow:var(--shadow-1);
}
.article-empty h2{font-size:22px;color:var(--ink);font-weight:700;}
.article-empty p{color:var(--muted);font-size:15.5px;margin:12px 0 22px;}

/* ---------- article foot ---------- */
.article-foot{max-width:760px;margin:44px auto 0;padding-top:26px;border-top:1px solid var(--line);}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.tag-chip{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-dark);font-size:13.5px;font-weight:600;
  text-decoration:none;transition:background .2s var(--ease),color .2s var(--ease);
}
.tag-chip:hover{background:var(--brand);color:#fff;}
.foot-actions{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;margin-top:26px;}

/* ---------- related ---------- */
.related{padding:96px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
.section-title{font-size:30px;line-height:1.3;font-weight:700;color:var(--ink);letter-spacing:-0.01em;}
.section-sub{font-size:14px;color:var(--muted);margin-top:8px;}
.card-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:640px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,minmax(0,1fr));}}
.news-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(242,81,43,.35);}
.news-card .thumb{overflow:hidden;aspect-ratio:16/9;background:var(--page);}
.news-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.news-card:hover .thumb img{transform:scale(1.03);}
.news-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.card-top{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);}
.card-title{font-size:17.5px;line-height:1.5;font-weight:600;color:var(--ink);margin:12px 0 8px;}
.card-excerpt{font-size:15px;line-height:1.75;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{margin-top:auto;padding-top:16px;}

/* ---------- cta ---------- */
.cta-band{margin-top:104px;background:var(--ink-deep);color:#fff;padding:88px 0;}
.cta-inner{display:grid;grid-template-columns:1fr;gap:40px;align-items:center;}
@media (min-width:1024px){.cta-inner{grid-template-columns:1fr 260px;}}
.cta-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);}
.cta-title{font-size:32px;line-height:1.3;font-weight:700;color:#fff;margin-top:16px;letter-spacing:-0.01em;}
.cta-text{font-size:16px;line-height:1.85;color:rgba(255,255,255,.68);margin-top:14px;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.cta-ghost{border-color:rgba(255,255,255,.55);color:#fff;}
.cta-ghost:hover{background:#fff;color:var(--ink);border-color:#fff;}
.cta-card{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-portrait);overflow:hidden;
}
.cta-card img{width:100%;aspect-ratio:9/13;object-fit:cover;}
.cta-card .cap{padding:12px 14px;font-size:13px;color:rgba(255,255,255,.68);}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-deep);color:rgba(255,255,255,.72);margin-top:0;padding:72px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;}
@media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;}}
.footer-brand{display:flex;align-items:center;gap:8px;color:#fff;font-size:18px;font-weight:700;}
.footer-slogan{font-size:14px;line-height:1.8;margin-top:14px;max-width:280px;color:rgba(255,255,255,.64);}
.footer-col-title{position:relative;font-size:13px;color:#fff;font-weight:600;padding-left:12px;margin-bottom:16px;}
.footer-col-title::before{content:"";position:absolute;left:0;top:7px;width:4px;height:4px;border-radius:999px;background:var(--lime);}
.footer-link{display:block;font-size:14px;line-height:2.1;color:rgba(255,255,255,.72);text-decoration:none;}
a.footer-link:hover{color:var(--lime);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.56);
}
.footer-bottom a{color:rgba(255,255,255,.72);text-decoration:none;}
.footer-bottom a:hover{color:var(--lime);}

@media (max-width:767px){
  body{font-size:16px;}
  .article-title{font-size:30px;line-height:1.25;}
  .article-body h2{font-size:22px;}
  .section-title{font-size:24px;}
  .related{padding-top:64px;}
  .cta-band{margin-top:64px;padding:56px 0;}
  .cta-title{font-size:25px;}
  .site-footer{padding-top:56px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .news-card:hover{transform:none;}
  .news-card:hover .thumb img{transform:none;}
  .btn-primary:hover{transform:none;}
}

/* roulang page: category1 */
:root{
  --brand:#F2512B;
  --brand-dark:#C93A17;
  --brand-soft:#FFF1EB;
  --lime:#D8F94B;
  --lime-ink:#5E6B10;
  --ink:#1A1714;
  --ink-deep:#14120F;
  --text:#3A342E;
  --muted:#7C736A;
  --line:#E8E2D9;
  --page:#F7F4EF;
  --card:#FFFFFF;
  --hover:#FBFAF7;
  --hot:#E11D48;
  --radius-lg:20px;
  --radius:18px;
  --radius-sm:12px;
  --shadow-1:0 1px 2px rgba(26,23,20,.05);
  --shadow-2:0 16px 32px -18px rgba(26,23,20,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
.site-body{
  margin:0;
  background:var(--page);
  color:var(--text);
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
body.site-body h1,body.site-body h2,body.site-body h3,body.site-body h4{
  margin:0;color:var(--ink);font-weight:700;line-height:1.3;letter-spacing:0;
}
body.site-body p{margin:0 0 1.15em;color:var(--text);}
body.site-body ul,body.site-body ol{margin:0;padding:0;list-style:none;}
body.site-body img{max-width:100%;display:block;}
body.site-body a{color:inherit;text-decoration:none;}
body.site-body button{font-family:inherit;}
body.site-body a:focus-visible,body.site-body button:focus-visible,body.site-body input:focus-visible{
  outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;
}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media(min-width:768px){.container{padding-left:24px;padding-right:24px;}}
@media(min-width:1024px){.container{padding-left:32px;padding-right:32px;}}
.tnum{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,239,.86);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;height:60px;}
@media(min-width:1024px){.nav{height:72px;}}
.brand{display:inline-flex;align-items:center;gap:8px;flex-shrink:0;}
.brand-name{font-size:18px;font-weight:700;color:var(--ink);line-height:1.25;}
@media(min-width:1024px){.brand-name{font-size:19px;}}
.brand-dot{width:6px;height:6px;border-radius:50%;background:var(--lime);display:inline-block;flex-shrink:0;}
.nav-links{display:none;}
@media(min-width:1024px){
  .nav-links{display:flex;align-items:center;gap:30px;}
}
.nav-link{
  position:relative;display:inline-block;padding:4px 0;
  font-size:16px;color:var(--text);
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:50%;right:50%;bottom:-10px;height:2px;
  background:var(--brand);
  transition:left .18s var(--ease),right .18s var(--ease);
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{left:0;right:0;}
.nav-link.is-active{color:var(--ink);font-weight:600;}
.nav-link.is-active::after{left:0;right:0;}
.nav-right{display:flex;align-items:center;gap:10px;}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:999px;border:1px solid transparent;
  background:transparent;color:var(--ink);cursor:pointer;
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.icon-btn:hover{background:#fff;border-color:var(--line);}
.burger{
  display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
  width:40px;height:40px;padding:0 8px;border:1px solid transparent;border-radius:12px;
  background:transparent;cursor:pointer;
}
.burger span{display:block;height:1.5px;width:100%;background:var(--ink);border-radius:2px;transition:transform .25s var(--ease),opacity .2s var(--ease);}
.burger.is-open span:nth-child(1){transform:translateY(6.5px) rotate(45deg);}
.burger.is-open span:nth-child(2){opacity:0;}
.burger.is-open span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg);}
@media(min-width:1024px){.burger{display:none;}}
.nav-cta{display:none;}
@media(min-width:640px){.nav-cta{display:inline-flex;}}

/* drawer */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);
  background:#fff;border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .3s var(--ease);
  z-index:80;padding:24px 22px calc(24px + env(safe-area-inset-bottom));
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.drawer-title{font-size:13px;color:var(--muted);letter-spacing:.02em;}
.drawer-link{
  display:block;font-size:20px;line-height:56px;color:var(--ink);
  border-bottom:1px solid var(--line);font-weight:600;
}
.drawer-link:hover{color:var(--brand);}
.drawer-foot{padding-top:20px;}
.scrim{
  position:fixed;inset:0;background:rgba(26,23,20,.4);
  opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s var(--ease);
  z-index:70;
}
.scrim.is-open{opacity:1;visibility:visible;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;border:1px solid transparent;
  padding:13px 26px;font-size:15.5px;font-weight:600;line-height:1;
  cursor:pointer;text-align:center;
  transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.btn-sm{padding:9px 18px;font-size:14.5px;}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:0 14px 26px -14px rgba(242,81,43,.85);}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-1px);}
.btn-ondark{background:var(--lime);color:var(--lime-ink);}
.btn-ondark:hover{background:#cbf03a;transform:translateY(-1px);}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.5);color:#fff;}
.btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:#fff;}

.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--brand);
}
.link-arrow svg{transition:transform .2s var(--ease);}
.link-arrow:hover svg{transform:translateX(3px);}
.link-arrow-dark{color:var(--ink);}
.link-arrow-dark:hover{color:var(--brand);}

/* ---------- pills / badges ---------- */
.pill{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--lime);color:var(--lime-ink);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  padding:4px 10px;border-radius:999px;line-height:1.6;
}
.pill-soft{background:var(--brand-soft);color:var(--brand-dark);}
.pill-outline{background:#fff;border:1px solid var(--line);color:var(--muted);font-weight:500;}
.dot-hot{width:6px;height:6px;border-radius:50%;background:var(--hot);display:inline-block;}

/* ---------- breadcrumb ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);padding:20px 0 0;
}
.breadcrumb a{color:var(--muted);transition:color .2s var(--ease);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:#C9C1B6;}
.breadcrumb .current{color:var(--ink);}

/* ---------- hero ---------- */
.hero{position:relative;padding:44px 0 56px;}
@media(min-width:1024px){.hero{padding:64px 0 88px;}}
.hero-bg{
  position:absolute;inset:0;z-index:0;overflow:hidden;
}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.16;}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(247,244,239,.6) 0%,rgba(247,244,239,.94) 62%,var(--page) 100%);
}
.hero-inner{position:relative;z-index:1;display:grid;gap:36px;}
@media(min-width:1024px){
  .hero-inner{grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);align-items:center;gap:48px;}
}
.hero h1{
  font-size:30px;line-height:1.25;letter-spacing:-.01em;margin:18px 0 0;
}
@media(min-width:1024px){.hero h1{font-size:44px;line-height:1.15;letter-spacing:-.02em;}}
.hero-sub{font-size:17px;line-height:1.85;color:var(--muted);margin:16px 0 0;max-width:34em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;
  margin-top:36px;padding-top:26px;border-top:1px solid var(--line);
}
.stat-num{font-size:26px;font-weight:700;color:var(--ink);line-height:1.2;}
.stat-num span{font-size:14px;color:var(--muted);font-weight:500;margin-left:2px;}
.stat-label{font-size:13px;color:var(--muted);margin-top:4px;}
.hero-cards{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;align-items:end;
}
.hero-cards .vc:nth-child(2){transform:translateY(-12px);}
.hero-cards .vc:nth-child(3){transform:translateY(8px);}
@media(max-width:767px){
  .hero-cards{display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px;}
  .hero-cards .vc{flex:0 0 min(72vw,240px);scroll-snap-align:start;transform:none !important;}
}

/* ---------- vertical card ---------- */
.vc{
  position:relative;display:block;aspect-ratio:9/16;border-radius:var(--radius-lg);
  overflow:hidden;background:#EDE7DE;border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.vc:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(242,81,43,.35);}
.vc-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.vc:hover .vc-img{transform:scale(1.03);}
.vc-mask{
  position:absolute;inset:0;
  background:linear-gradient(to top,rgba(26,23,20,.82) 0%,rgba(26,23,20,.35) 42%,rgba(26,23,20,0) 68%);
}
.vc-body{position:absolute;left:0;right:0;bottom:0;padding:16px;z-index:2;}
.vc-title{
  font-size:16px;font-weight:600;line-height:1.5;color:#fff;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.vc-meta{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:8px;font-size:12.5px;color:rgba(255,255,255,.72);}
.vc-hot{color:var(--lime);font-weight:600;font-size:13px;}
.vc-badge{
  position:absolute;top:12px;left:12px;z-index:2;
  background:rgba(20,18,15,.7);color:#fff;
  font-size:12px;padding:4px 9px;border-radius:8px;line-height:1.5;
  display:inline-flex;align-items:center;gap:5px;
}
.vc-badge.is-live{background:rgba(225,29,72,.9);}
.vc-cat{
  position:absolute;top:12px;right:12px;z-index:2;
  background:var(--lime);color:var(--lime-ink);
  font-size:12px;font-weight:600;padding:4px 9px;border-radius:999px;line-height:1.5;
}
.vc-play{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:44px;height:44px;border-radius:50%;
  background:rgba(255,255,255,.92);
  display:flex;align-items:center;justify-content:center;z-index:2;
  box-shadow:0 8px 20px -10px rgba(20,18,15,.6);
  transition:transform .24s var(--ease);
}
.vc:hover .vc-play{transform:translate(-50%,-50%) scale(1.08);}
.vc-play::after{
  content:"";display:block;margin-left:3px;
  width:0;height:0;border-style:solid;
  border-width:7px 0 7px 12px;
  border-color:transparent transparent transparent var(--ink);
}
.vc-progress{
  position:absolute;left:16px;right:16px;bottom:66px;height:2px;
  background:rgba(255,255,255,.28);border-radius:2px;overflow:hidden;z-index:2;
}
.vc-progress i{display:block;height:100%;background:var(--lime);border-radius:2px;}

/* ---------- section ---------- */
.section{padding:56px 0;}
@media(min-width:1024px){.section{padding:100px 0;}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:24px;}
@media(min-width:1024px){.section-head{margin-bottom:32px;}}
.section-title{font-size:24px;line-height:1.3;}
@media(min-width:1024px){.section-title{font-size:30px;}}
.section-desc{font-size:15px;color:var(--muted);margin-top:10px;max-width:52em;}

/* ---------- filter bar ---------- */
.filter-bar{
  display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;
  padding:14px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.filter-chip{
  display:inline-flex;align-items:center;
  padding:8px 16px;border-radius:999px;border:1px solid var(--line);
  background:#fff;color:var(--text);font-size:14px;font-weight:500;cursor:pointer;
  transition:all .2s var(--ease);
}
.filter-chip:hover{border-color:rgba(242,81,43,.35);color:var(--ink);background:var(--hover);}
.filter-chip.is-active{background:var(--ink);border-color:var(--ink);color:#fff;font-weight:600;}

/* ---------- clip wall ---------- */
.clip-wall{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
@media(min-width:768px){.clip-wall{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}}
@media(min-width:1024px){.clip-wall{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}}

/* ---------- list rows ---------- */
.split{display:grid;gap:32px;}
@media(min-width:1024px){.split{grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:64px;align-items:start;}}
.rowlist{border-top:1px solid var(--line);}
.row-item{
  display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center;
  padding:22px 6px;border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
.row-item:hover{background:var(--hover);}
.row-num{
  font-size:15px;font-weight:700;color:var(--brand);
  width:34px;text-align:left;line-height:1.4;
}
.row-title{font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;}
.row-item:hover .row-title{text-decoration:underline;text-underline-offset:4px;text-decoration-color:rgba(242,81,43,.5);}
.row-desc{font-size:14.5px;color:var(--muted);line-height:1.7;margin-top:6px;}
.row-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;}
.row-arrow{color:var(--muted);transition:transform .2s var(--ease),color .2s var(--ease);}
.row-item:hover .row-arrow{transform:translateX(3px);color:var(--brand);}

/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:28px;}
.timeline::before{
  content:"";position:absolute;left:5px;top:8px;bottom:8px;width:1px;background:var(--line);
}
.tl-item{position:relative;padding:0 0 30px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-28px;top:9px;
  width:11px;height:11px;border-radius:50%;
  background:var(--lime);border:2px solid var(--page);
  box-shadow:0 0 0 1px var(--lime);
}
.tl-time{font-size:13px;color:var(--muted);font-weight:600;letter-spacing:.02em;}
.tl-title{font-size:17px;font-weight:600;color:var(--ink);margin-top:6px;line-height:1.5;}
.tl-desc{font-size:14.5px;color:var(--muted);margin-top:6px;line-height:1.75;}
@media(min-width:1024px){.timeline.is-2col{column-count:2;column-gap:56px;}}
@media(min-width:1024px){.timeline.is-2col .tl-item{break-inside:avoid;}}

/* ---------- faq ---------- */
.faq{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:transparent;border:0;cursor:pointer;text-align:left;
  padding:22px 2px;font-size:17px;font-weight:600;color:var(--ink);line-height:1.6;
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--brand);}
.faq-icon{
  position:relative;flex:0 0 18px;width:18px;height:18px;
  transition:transform .22s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--muted);border-radius:2px;
}
.faq-icon::before{left:0;right:0;top:8px;height:1.5px;}
.faq-icon::after{top:0;bottom:0;left:8px;width:1.5px;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .22s var(--ease),opacity .22s var(--ease);
  opacity:0;
}
.faq-item.is-open .faq-a{opacity:1;}
.faq-a-inner{padding:0 40px 24px 2px;font-size:15.5px;line-height:1.9;color:var(--muted);}

/* ---------- cta ---------- */
.cta-band{
  position:relative;background:var(--ink-deep);border-radius:24px;overflow:hidden;
  padding:44px 24px;color:rgba(255,255,255,.72);
}
@media(min-width:1024px){.cta-band{padding:64px 56px;}}
.cta-band h2{color:#fff;font-size:26px;line-height:1.3;}
@media(min-width:1024px){.cta-band h2{font-size:32px;}}
.cta-band p{color:rgba(255,255,255,.72);margin-top:14px;max-width:36em;}
.cta-band .cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.cta-deco{
  position:absolute;right:-16px;bottom:-24px;width:150px;aspect-ratio:9/16;
  border-radius:18px;overflow:hidden;opacity:.35;
  display:none;
}
@media(min-width:1024px){.cta-deco{display:block;right:48px;bottom:auto;top:50%;transform:translateY(-50%);width:172px;opacity:.9;}}
.cta-band-inner{position:relative;z-index:1;max-width:640px;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-deep);color:rgba(255,255,255,.72);margin-top:56px;padding:56px 0 28px;}
@media(min-width:1024px){.site-footer{margin-top:88px;padding:72px 0 32px;}}
.footer-grid{display:grid;gap:32px;}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px;}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:48px;}}
.footer-brand{display:flex;align-items:center;gap:8px;}
.footer-brand-name{font-size:18px;font-weight:700;color:#fff;}
.footer-slogan{font-size:14.5px;line-height:1.8;margin-top:14px;max-width:24em;color:rgba(255,255,255,.6);}
.footer-col-title{
  position:relative;font-size:13px;font-weight:600;color:#fff;
  letter-spacing:.02em;padding-left:14px;margin-bottom:16px;
}
.footer-col-title::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:4px;border-radius:50%;background:var(--lime);
}
.footer-link{
  display:block;font-size:14px;line-height:2.2;color:rgba(255,255,255,.66);
  transition:color .2s var(--ease);
}
a.footer-link:hover{color:var(--lime);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.7);text-decoration:underline;text-underline-offset:4px;}
.footer-bottom a:hover{color:var(--lime);}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .vc:hover{transform:none;}
  .vc:hover .vc-img{transform:none;}
  .btn:hover{transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --brand:#F2512B;
  --brand-deep:#C93A17;
  --brand-soft:#FFF1EB;
  --lime:#D8F94B;
  --lime-ink:#5E6B10;
  --ink:#1A1714;
  --ink-deep:#14120F;
  --text:#3A342E;
  --muted:#7C736A;
  --line:#E8E2D9;
  --bg:#F7F4EF;
  --card:#FFFFFF;
  --hover:#FBFAF7;
  --hot:#E11D48;
  --r-v:20px;
  --r-card:18px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(26,23,20,.05);
  --sh-2:0 16px 32px -18px rgba(26,23,20,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.3;letter-spacing:-0.01em}
p{margin:0}
button{font-family:inherit;cursor:pointer}
a{text-decoration:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:768px){.container{padding-left:24px;padding-right:24px}}
@media (min-width:1024px){.container{padding-left:32px;padding-right:32px}}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,244,239,.86);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  height:72px;
}
.brand{display:flex;align-items:center;gap:8px;flex-shrink:0}
.brand-name{font-size:19px;font-weight:700;color:var(--ink);letter-spacing:-0.01em}
.brand-dot{width:6px;height:6px;border-radius:50%;background:var(--lime);display:inline-block;flex-shrink:0}
.nav-links{display:flex;align-items:center;gap:28px;list-style:none}
.nav-link{
  position:relative;
  display:inline-block;
  padding:6px 0;
  font-size:16px;
  color:var(--text);
  transition:color .22s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:0;
  width:0;
  height:2px;
  background:var(--brand);
  transform:translateX(-50%);
  transition:width .22s var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{width:100%}
.nav-link.is-active{color:var(--ink);font-weight:600}
.nav-link.is-active::after{width:100%}
.nav-right{display:flex;align-items:center;gap:14px}
.icon-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;height:40px;
  border:1px solid transparent;
  border-radius:var(--r-pill);
  background:transparent;
  color:var(--ink);
  transition:background .22s var(--ease),border-color .22s var(--ease);
}
.icon-btn:hover{background:#fff;border-color:var(--line)}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border:1px solid transparent;
  border-radius:var(--r-pill);
  padding:13px 26px;
  font-size:15.5px;
  font-weight:600;
  line-height:1.2;
  transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.btn-sm{padding:10px 20px;font-size:14.5px}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:0 10px 22px -12px rgba(201,58,23,.8)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.burger{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:40px;height:40px;
  padding:0 8px;
  background:transparent;
  border:1px solid var(--line);
  border-radius:10px;
}
.burger span{display:block;height:1.5px;background:var(--ink);border-radius:2px;transition:transform .22s var(--ease),opacity .22s var(--ease)}
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-right .btn{display:none}
  .burger{display:flex}
  .nav{height:60px}
  .brand-name{font-size:17px}
}
/* drawer */
.drawer-backdrop{
  position:fixed;inset:0;background:rgba(26,23,20,.42);
  opacity:0;visibility:hidden;transition:opacity .28s var(--ease),visibility .28s var(--ease);z-index:70;
}
.drawer-backdrop.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;
  width:min(86vw,360px);
  background:#fff;
  z-index:80;
  padding:24px 22px calc(24px + env(safe-area-inset-bottom,0px));
  transform:translateX(100%);
  transition:transform .3s var(--ease);
  overflow-y:auto;
  box-shadow:-20px 0 40px -24px rgba(26,23,20,.4);
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.drawer-title{font-size:15px;font-weight:700;color:var(--ink)}
.drawer-close{background:transparent;border:1px solid var(--line);border-radius:var(--r-pill);width:36px;height:36px;font-size:18px;line-height:1;color:var(--ink)}
.drawer-link{
  display:block;
  padding:0 2px;
  line-height:56px;
  font-size:20px;
  color:var(--ink);
  border-bottom:1px solid var(--line);
  transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.drawer-link:hover{color:var(--brand);padding-left:8px}

/* ---------- Shared blocks ---------- */
.section{padding:64px 0}
@media (min-width:768px){.section{padding:80px 0}}
@media (min-width:1024px){.section{padding:104px 0}}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:28px;
  flex-wrap:wrap;
}
.section-title{font-size:clamp(24px,2.6vw,30px);line-height:1.3}
.section-sub{margin-top:10px;font-size:15px;color:var(--muted);max-width:640px}
.chip{
  display:inline-flex;
  align-items:center;
  padding:4px 10px;
  border-radius:var(--r-pill);
  font-size:12.5px;
  line-height:1.5;
  letter-spacing:.02em;
  background:var(--brand-soft);
  color:var(--brand-deep);
  white-space:nowrap;
}
.chip-lime{background:var(--lime);color:var(--lime-ink)}
.chip-ink{background:rgba(26,23,20,.72);color:#fff}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--brand);
  text-decoration:underline;
  text-underline-offset:4px;
  transition:color .2s var(--ease);
}
.text-link span{transition:transform .2s var(--ease)}
.text-link:hover{color:var(--brand-deep)}
.text-link:hover span{transform:translateX(3px)}

/* ---------- Breadcrumb ---------- */
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--muted);
  padding-top:24px;
}
.breadcrumb a{color:var(--muted);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:#C9C1B6}
.breadcrumb .current{color:var(--ink)}

/* ---------- Page hero ---------- */
.page-hero{
  padding:32px 0 48px;
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(216,249,75,.28) 0%, rgba(216,249,75,0) 58%),
    linear-gradient(180deg,#FFF8F4 0%, var(--bg) 100%);
  border-bottom:1px solid var(--line);
}
.page-hero h1{
  font-size:clamp(30px,4.4vw,44px);
  line-height:1.15;
  letter-spacing:-0.02em;
  margin:22px 0 0;
  max-width:820px;
}
.hero-lead{
  margin-top:18px;
  max-width:640px;
  font-size:17px;
  color:var(--muted);
  line-height:1.85;
}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:14px 34px;
  margin-top:28px;
}
.hero-stat{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text)}
.hero-stat b{font-size:14px;font-weight:700;color:var(--ink)}
.hero-stat .dot{width:6px;height:6px;border-radius:50%;background:var(--lime);display:inline-block}
.tag-bar{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  margin-top:30px;
  padding-top:22px;
  border-top:1px solid var(--line);
}
.tag-bar .tag-bar-label{font-size:13px;color:var(--muted);margin-right:2px}
.tag{
  display:inline-flex;
  align-items:center;
  padding:6px 14px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:#fff;
  font-size:13.5px;
  color:var(--text);
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
}
.tag:hover{border-color:rgba(242,81,43,.35);color:var(--brand-deep);transform:translateY(-1px)}
.tag.is-active{background:var(--lime);border-color:var(--lime);color:var(--lime-ink);font-weight:600}

/* ---------- Rank list ---------- */
.rank-list{list-style:none;border-top:1px solid var(--line)}
.rank-item{
  display:flex;
  align-items:center;
  gap:20px;
  padding:20px 8px;
  border-bottom:1px solid var(--line);
  transition:background .22s var(--ease);
}
.rank-item:hover{background:var(--hover)}
.rank-num{
  font-size:22px;
  font-weight:700;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
  min-width:44px;
  letter-spacing:-0.02em;
}
.rank-thumb{
  width:64px;height:64px;
  border-radius:var(--r-sm);
  object-fit:cover;
  flex-shrink:0;
  border:1px solid var(--line);
}
.rank-body{flex:1;min-width:0}
.rank-title{
  font-size:17.5px;
  font-weight:600;
  line-height:1.5;
  color:var(--ink);
  transition:color .2s var(--ease),text-decoration-color .2s var(--ease);
}
.rank-item:hover .rank-title{color:var(--brand-deep);text-decoration:underline;text-underline-offset:4px}
.rank-desc{margin-top:4px;font-size:14.5px;color:var(--muted);line-height:1.7}
.rank-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.rank-arrow{
  font-size:20px;
  color:var(--muted);
  flex-shrink:0;
  transition:transform .22s var(--ease),color .22s var(--ease);
}
.rank-item:hover .rank-arrow{transform:translateX(4px);color:var(--brand)}
@media (max-width:640px){
  .rank-item{gap:14px;padding:16px 4px}
  .rank-num{font-size:17px;min-width:30px}
  .rank-thumb{width:52px;height:52px}
  .rank-title{font-size:16.5px}
  .rank-desc{font-size:13.5px}
}

/* ---------- Feature rows (alternating) ---------- */
.feature-rows{margin-top:36px}
.feature-row{
  display:flex;
  align-items:center;
  gap:48px;
  padding:32px 0;
  border-bottom:1px solid var(--line);
}
.feature-row:first-child{padding-top:8px}
.feature-row:last-child{border-bottom:0}
.feature-media{
  flex:0 0 46%;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  background:#fff;
  box-shadow:var(--sh-1);
}
.feature-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  transition:transform .3s var(--ease);
}
.feature-row:hover .feature-media img{transform:scale(1.03)}
.feature-text{flex:1;min-width:0}
.feature-text h3{
  font-size:21px;
  line-height:1.4;
  margin-top:14px;
}
.feature-text p{margin-top:12px;font-size:15.5px;color:var(--muted);line-height:1.85}
.dot-list{list-style:none;margin-top:14px}
.dot-list li{
  position:relative;
  padding-left:18px;
  font-size:14.5px;
  color:var(--text);
  line-height:1.8;
}
.dot-list li::before{
  content:"";
  position:absolute;
  left:0;top:13px;
  width:7px;height:7px;
  border-radius:2px;
  background:var(--lime);
}
.feature-text .text-link{margin-top:20px}
.feature-row:nth-child(even) .feature-media{order:2}
@media (max-width:900px){
  .feature-row{flex-direction:column;gap:20px}
  .feature-row:nth-child(even) .feature-media{order:0}
  .feature-media{flex:1 1 auto;width:100%}
  .feature-text h3{font-size:19px;margin-top:12px}
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 4px;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  cursor:pointer;
  list-style:none;
  transition:color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand-deep)}
.faq-icon{
  flex-shrink:0;
  width:22px;height:22px;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--muted);
  transition:transform .22s var(--ease),color .22s var(--ease);
}
.faq-item[open] .faq-icon{transform:rotate(45deg);color:var(--brand)}
.faq-answer{
  padding:0 4px 22px;
  font-size:15.5px;
  line-height:1.9;
  color:var(--muted);
  max-width:720px;
}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink-deep);
  color:rgba(255,255,255,.78);
  border-radius:24px;
  padding:48px 32px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-60px;top:-60px;
  width:240px;height:240px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(216,249,75,.22) 0%,rgba(216,249,75,0) 70%);
}
.cta-copy{position:relative;z-index:1;max-width:620px}
.cta-copy h2{color:#fff;font-size:clamp(23px,2.6vw,30px);line-height:1.3;margin-top:14px}
.cta-copy p{margin-top:12px;font-size:15.5px;color:rgba(255,255,255,.7);line-height:1.85}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1}
.cta-band .btn-ghost{color:#fff;border-color:rgba(255,255,255,.6)}
.cta-band .btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff}
.cta-mark{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.02em;color:var(--lime)}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--ink-deep);
  color:rgba(255,255,255,.72);
  padding:72px 0 28px;
  margin-top:80px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
}
.footer-brand{display:flex;align-items:center;gap:8px}
.footer-brand-name{color:#fff;font-size:19px;font-weight:700;letter-spacing:-0.01em}
.footer-slogan{margin-top:14px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:300px}
.footer-col-title{
  display:flex;
  align-items:center;
  gap:8px;
  color:#fff;
  font-size:13px;
  font-weight:600;
  margin-bottom:14px;
}
.footer-col-title::before{
  content:"";
  width:4px;height:4px;border-radius:50%;
  background:var(--lime);
  flex-shrink:0;
}
.footer-link{
  display:block;
  padding:5px 0;
  font-size:14px;
  color:rgba(255,255,255,.72);
  transition:color .2s var(--ease);
}
.footer-link:hover{color:var(--lime)}
.footer-bottom{
  margin-top:48px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.56);
}
.footer-bottom a{color:rgba(255,255,255,.72);transition:color .2s var(--ease)}
.footer-bottom a:hover{color:var(--lime)}
@media (max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:560px){
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding-top:52px;margin-top:56px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .feature-row:hover .feature-media img{transform:none}
  .rank-item:hover .rank-arrow{transform:none}
  .btn-primary:hover{transform:none}
}

/* roulang page: category3 */
:root{
  --brand:#F2512B;
  --brand-dark:#C93A17;
  --brand-soft:#FFF1EB;
  --lime:#D8F94B;
  --lime-ink:#5E6B10;
  --ink:#1A1714;
  --ink-2:#14120F;
  --text:#3A342E;
  --muted:#7C736A;
  --line:#E8E2D9;
  --bg:#F7F4EF;
  --card:#FFFFFF;
  --hover:#FBFAF7;
  --hot:#E11D48;
  --r-lg:20px;
  --r-md:18px;
  --r-sm:12px;
  --sh-1:0 1px 2px rgba(26,23,20,.05);
  --sh-2:0 16px 32px -18px rgba(26,23,20,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
::selection{background:var(--lime);color:var(--lime-ink)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 24px}}
@media(min-width:1024px){.container{padding:0 32px}}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,239,.86);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;height:60px}
@media(min-width:1024px){.nav{height:72px}}
.brand{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.brand-name{font-size:19px;font-weight:700;color:var(--ink);line-height:1.2}
.brand-dot{width:6px;height:6px;border-radius:50%;background:var(--lime);display:inline-block;flex:0 0 auto}
.nav-links{display:none}
@media(min-width:1024px){
  .nav-links{display:flex;align-items:center;gap:32px}
  .nav-link{position:relative;display:inline-block;font-size:16px;color:var(--text);padding:6px 0;transition:color .2s var(--ease)}
  .nav-link::after{
    content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
    background:var(--brand);transform:scaleX(0);transform-origin:center;
    transition:transform .18s var(--ease);
  }
  .nav-link:hover{color:var(--ink)}
  .nav-link:hover::after{transform:scaleX(1)}
  .nav-link.is-active{color:var(--ink);font-weight:600}
  .nav-link.is-active::after{transform:scaleX(1)}
}
.nav-right{display:flex;align-items:center;gap:12px}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:999px;color:var(--ink);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.icon-btn:hover{background:#fff;color:var(--brand-dark)}
.burger{
  display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  width:40px;height:40px;border-radius:10px;
}
.burger span{display:block;width:20px;height:1.5px;background:var(--ink);transition:transform .2s var(--ease),opacity .2s var(--ease)}
body.nav-open .burger span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
body.nav-open .burger span:nth-child(2){opacity:0}
body.nav-open .burger span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
@media(min-width:1024px){.burger{display:none}}
@media(max-width:1023px){
  .nav-links{
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    position:fixed;top:0;right:0;bottom:0;width:min(84vw,340px);
    background:#fff;padding:84px 24px 24px;z-index:70;
    transform:translateX(100%);
    transition:transform .28s var(--ease);
    box-shadow:-24px 0 48px -32px rgba(26,23,20,.6);
  }
  body.nav-open .nav-links{transform:translateX(0)}
  .nav-link{display:block;font-size:20px;line-height:56px;color:var(--ink);border-bottom:1px solid var(--line)}
  .nav-link.is-active{color:var(--brand-dark);font-weight:600}
}

/* ============ 按钮与标签 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;border:1px solid transparent;
  padding:13px 26px;font-size:15.5px;font-weight:600;line-height:1.2;
  transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.btn-sm{padding:9px 18px;font-size:14.5px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 20px -14px rgba(242,81,43,.95)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:0 16px 28px -16px rgba(201,58,23,.9)}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-lime{background:var(--lime);color:var(--lime-ink)}
.btn-lime:hover{background:#cbf03a;transform:translateY(-1px)}
.textlink{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand-dark);font-size:15px;font-weight:600;
  text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;
}
.textlink .arrow{transition:transform .2s var(--ease)}
.textlink:hover{color:var(--brand)}
.textlink:hover .arrow{transform:translateX(3px)}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--lime);color:var(--lime-ink);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  padding:4px 10px;border-radius:999px;
}

/* ============ 区块 ============ */
.section{padding:28px 0}
@media(min-width:1024px){.section{padding:48px 0}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px}
@media(min-width:1024px){.section-head{margin-bottom:32px}}
.section-title{font-size:24px;line-height:1.3;font-weight:700;color:var(--ink);letter-spacing:-.01em}
@media(min-width:1024px){.section-title{font-size:30px}}
.section-sub{margin-top:8px;font-size:15px;color:var(--muted);max-width:640px}

/* ============ 分类页头 ============ */
.cat-hero{padding:32px 0 8px}
@media(min-width:1024px){.cat-hero{padding:56px 0 12px}}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.crumbs a:hover{color:var(--brand-dark)}
.crumbs .sep{color:#C9C1B6}
.crumb-current{color:var(--ink)}
.cat-hero-grid{display:grid;gap:32px;align-items:center;margin-top:24px}
@media(min-width:1024px){.cat-hero-grid{grid-template-columns:1.1fr .9fr;gap:56px;margin-top:32px}}
.cat-title{
  margin-top:16px;font-size:30px;line-height:1.25;font-weight:700;color:var(--ink);
  letter-spacing:-.01em;
}
@media(min-width:1024px){.cat-title{font-size:44px;line-height:1.15;letter-spacing:-.02em}}
.cat-lead{margin-top:16px;font-size:16.5px;line-height:1.9;color:var(--muted);max-width:620px}
.cat-stats{display:flex;flex-wrap:wrap;gap:12px 40px;margin-top:28px}
.cat-stat strong{display:block;font-size:24px;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.2}
.cat-stat span{display:block;font-size:13px;color:var(--muted);margin-top:4px}
.cat-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.cat-figure{position:relative;border-radius:var(--r-md);overflow:hidden;background:#EFEAE2;box-shadow:var(--sh-1)}
.cat-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.cat-figure::after{
  content:"";position:absolute;inset:auto 0 0 0;height:3px;
  background:linear-gradient(90deg,var(--lime),rgba(216,249,75,0));
}
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px;padding-bottom:8px;border-bottom:1px solid var(--line)}
.chip{
  display:inline-flex;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:8px 16px;font-size:14px;color:var(--text);
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.chip:hover{border-color:rgba(242,81,43,.45);color:var(--brand-dark)}
.chip.is-active{background:var(--lime);border-color:var(--lime);color:var(--lime-ink);font-weight:600}

/* ============ 时间线 ============ */
.timeline{display:grid;gap:0;margin-top:32px}
@media(min-width:1024px){.timeline{grid-template-columns:1fr 1fr;column-gap:64px;margin-top:40px}}
.tl-item{position:relative;padding:0 0 40px 34px}
@media(min-width:1024px){.tl-item{padding:0 0 44px 38px}}
.tl-item::before{content:"";position:absolute;left:5px;top:16px;bottom:-6px;width:1px;background:var(--line)}
.tl-item:last-child::before{display:none}
.tl-node{
  position:absolute;left:0;top:8px;width:11px;height:11px;border-radius:50%;
  background:var(--lime);box-shadow:0 0 0 4px var(--bg);
}
.tl-time{
  font-size:13px;color:var(--muted);letter-spacing:.02em;
  font-variant-numeric:tabular-nums;
}
.tl-badge{
  display:inline-block;margin-left:8px;font-size:12px;color:var(--brand-dark);
  background:var(--brand-soft);border-radius:999px;padding:1px 8px;vertical-align:1px;
}
.tl-title{margin-top:8px;font-size:19px;line-height:1.5;font-weight:600;color:var(--ink);transition:color .2s var(--ease)}
.tl-item:hover .tl-title{color:var(--brand-dark)}
.tl-text{margin-top:8px;font-size:15.5px;line-height:1.85;color:var(--text)}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tl-tag{
  font-size:12.5px;color:var(--muted);background:#fff;
  border:1px solid var(--line);border-radius:999px;padding:3px 10px;
}

/* ============ 细线列表 ============ */
.linelist{border-top:1px solid var(--line);margin-top:24px}
.linelist-item{
  display:flex;align-items:center;gap:20px;
  padding:22px 16px;border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
.linelist-item:hover{background:var(--hover)}
.linelist-num{
  flex:0 0 auto;min-width:28px;font-size:15px;font-weight:700;color:var(--brand);
  font-variant-numeric:tabular-nums;
}
.linelist-body{flex:1 1 auto;min-width:0}
.linelist-title{font-size:17px;font-weight:600;color:var(--ink)}
.linelist-item:hover .linelist-title{text-decoration:underline;text-underline-offset:4px}
.linelist-desc{font-size:14.5px;color:var(--muted);margin-top:4px}
.linelist-arrow{flex:0 0 auto;color:var(--muted);transition:transform .2s var(--ease),color .2s var(--ease)}
.linelist-item:hover .linelist-arrow{transform:translateX(3px);color:var(--brand-dark)}

/* ============ FAQ ============ */
.faq{border-top:1px solid var(--line);margin-top:24px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;text-align:left;font-size:17px;font-weight:600;color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--brand-dark)}
.faq-icon{position:relative;width:16px;height:16px;flex:0 0 auto;transition:transform .22s var(--ease)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--muted)}
.faq-icon::before{left:0;right:0;top:7px;height:1.5px}
.faq-icon::after{top:0;bottom:0;left:7px;width:1.5px}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s var(--ease)}
.faq-a p{padding:0 4px 22px;max-width:820px;font-size:15.5px;line-height:1.9;color:var(--muted)}
.faq-item.is-open .faq-a{max-height:340px}

/* ============ CTA ============ */
.cta-band{
  background:var(--ink-2);color:#fff;border-radius:24px;
  padding:40px 24px;display:grid;gap:32px;align-items:center;
  position:relative;overflow:hidden;
}
@media(min-width:1024px){.cta-band{grid-template-columns:1fr 200px;gap:64px;padding:64px}}
.cta-band .tag{background:rgba(216,249,75,.16);color:var(--lime)}
.cta-title{margin-top:16px;font-size:24px;line-height:1.3;font-weight:700;color:#fff;letter-spacing:-.01em}
@media(min-width:1024px){.cta-title{font-size:30px}}
.cta-text{margin-top:14px;font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.72);max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.5);color:#fff}
.cta-band .btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff}
.cta-card{position:relative;border-radius:var(--r-lg);overflow:hidden;max-width:200px;width:100%;justify-self:start}
.cta-card img{width:100%;aspect-ratio:9/16;object-fit:cover}
.cta-card::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--lime)}
.cta-dot{width:6px;height:6px;border-radius:50%;background:var(--lime);display:inline-block;margin-right:8px;vertical-align:3px}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-2);color:rgba(255,255,255,.72);margin-top:64px;padding:56px 0 28px}
@media(min-width:1024px){.site-footer{margin-top:96px;padding:64px 0 28px}}
.footer-grid{display:grid;gap:36px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:48px}}
.footer-brand{display:flex;align-items:center;gap:8px}
.footer-brand-name{font-size:19px;font-weight:700;color:#fff}
.footer-slogan{margin-top:14px;font-size:14.5px;line-height:1.85;max-width:320px}
.footer-col-title{
  display:flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:#fff;letter-spacing:.02em;margin-bottom:16px;
}
.footer-col-title::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--lime)}
.footer-link{display:block;font-size:14px;line-height:1.6;padding:6px 0;color:rgba(255,255,255,.72);transition:color .2s var(--ease)}
.footer-link:hover{color:var(--lime)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;
}
.footer-bottom a{color:rgba(255,255,255,.72);text-decoration:underline;text-underline-offset:3px}
.footer-bottom a:hover{color:var(--lime)}

@media(prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
  .btn:hover,.linelist-item:hover .linelist-arrow{transform:none !important}
}

/* roulang page: category4 */
:root{
  --brand:#F2512B;
  --brand-press:#C93A17;
  --brand-soft:#FFF1EB;
  --lime:#D8F94B;
  --lime-ink:#5E6B10;
  --ink:#1A1714;
  --ink-deep:#14120F;
  --text:#3A342E;
  --muted:#7C736A;
  --line:#E8E2D9;
  --page:#F7F4EF;
  --card:#FFFFFF;
  --hover:#FBFAF7;
  --hot:#E11D48;
  --r-xl:20px;
  --r-lg:18px;
  --r-sm:12px;
  --sh-1:0 1px 2px rgba(26,23,20,.05);
  --sh-2:0 16px 32px -18px rgba(26,23,20,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--page);
  color:var(--text);
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4,p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:768px){.container{padding-left:24px;padding-right:24px;}}
@media (min-width:1024px){.container{padding-left:32px;padding-right:32px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,239,.86);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:8px;}
.brand-name{font-size:19px;font-weight:700;color:var(--ink);line-height:1.2;}
.brand-dot{width:6px;height:6px;border-radius:999px;background:var(--lime);box-shadow:0 0 0 3px rgba(216,249,75,.32);display:inline-block;}
.nav-links{display:none;align-items:center;gap:30px;}
.nav-link{
  position:relative;display:inline-block;padding:6px 0;
  font-size:16px;color:var(--text);
  transition:color .18s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:50%;right:50%;bottom:0;height:2px;
  background:var(--brand);
  transition:left .18s var(--ease),right .18s var(--ease);
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{left:0;right:0;}
.nav-link.is-active{color:var(--ink);font-weight:600;}
.nav-link.is-active::after{left:0;right:0;}
.nav-right{display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:40px;height:40px;display:grid;place-items:center;
  border:1px solid transparent;border-radius:999px;background:transparent;
  color:var(--text);cursor:pointer;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.icon-btn:hover{background:var(--hover);border-color:var(--line);color:var(--ink);}
.burger{
  width:42px;height:42px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;
  border:1px solid transparent;border-radius:12px;background:transparent;cursor:pointer;
  transition:background .18s var(--ease),border-color .18s var(--ease);
}
.burger:hover{background:var(--hover);border-color:var(--line);}
.burger span{display:block;width:20px;height:1.5px;background:var(--ink);border-radius:2px;transition:transform .22s var(--ease);}
.burger.is-open span:nth-child(1){transform:translateY(6.5px) rotate(45deg);}
.burger.is-open span:nth-child(2){opacity:0;}
.burger.is-open span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg);}
@media (min-width:1024px){
  .nav-links{display:flex;}
  .burger{display:none;}
}
@media (max-width:1023px){
  .brand-name{font-size:17px;}
  .nav{height:64px;}
  .site-header .btn-sm{display:none;}
}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(26,23,20,.42);
  opacity:0;visibility:hidden;transition:opacity .22s var(--ease),visibility .22s var(--ease);z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(84vw,340px);
  background:#fff;z-index:90;transform:translateX(102%);
  transition:transform .26s var(--ease);
  display:flex;flex-direction:column;padding:20px;
  box-shadow:-24px 0 48px -30px rgba(26,23,20,.4);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);}
.drawer-nav{display:flex;flex-direction:column;padding-top:8px;}
.drawer-link{
  font-size:20px;line-height:56px;color:var(--text);
  border-bottom:1px solid var(--line);
  transition:color .18s var(--ease),padding-left .18s var(--ease);
}
.drawer-link:hover{color:var(--brand);padding-left:6px;}
.drawer-link.is-active{color:var(--ink);font-weight:600;}
.drawer-foot{margin-top:auto;padding-top:20px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;border:1px solid transparent;
  font-size:15.5px;font-weight:600;line-height:1.2;cursor:pointer;
  transition:background .18s var(--ease),color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-press);transform:translateY(-1px);box-shadow:0 12px 24px -14px rgba(242,81,43,.85);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-1px);}
.btn-sm{padding:9px 18px;font-size:14.5px;}
.btn-block{width:100%;height:52px;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-size:15px;font-weight:600;
  text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px;
  transition:color .18s var(--ease);
}
.text-link svg{transition:transform .18s var(--ease);}
.text-link:hover{color:var(--brand-press);}
.text-link:hover svg{transform:translateX(3px);}
.text-link.ink{color:var(--ink);}
.text-link.ink:hover{color:var(--brand);}

/* ---------- generic ---------- */
.section{padding:64px 0;}
@media (min-width:1024px){.section{padding:100px 0;}}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);
}
.badge-lime{
  display:inline-flex;align-items:center;
  padding:4px 10px;border-radius:999px;background:var(--lime);color:var(--lime-ink);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;line-height:1.5;
}
.badge-soft{
  display:inline-flex;align-items:center;
  padding:4px 10px;border-radius:999px;background:var(--brand-soft);color:var(--brand-press);
  font-size:12.5px;font-weight:600;line-height:1.5;
}
.badge-dark{
  display:inline-flex;align-items:center;
  padding:3px 8px;border-radius:8px;background:rgba(26,23,20,.7);color:#fff;
  font-size:12px;line-height:1.6;font-variant-numeric:tabular-nums;
}
.dot-hot{width:6px;height:6px;border-radius:999px;background:var(--hot);display:inline-block;}
.h2{font-size:26px;line-height:1.3;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
@media (min-width:1024px){.h2{font-size:30px;}}
.h3{font-size:19px;line-height:1.45;font-weight:600;color:var(--ink);}
.lead{font-size:16.5px;line-height:1.9;color:var(--muted);}
.num{font-variant-numeric:tabular-nums;}

/* ---------- breadcrumb ---------- */
.crumb{padding:20px 0 0;font-size:13px;color:var(--muted);}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"/";color:#C7BFB4;}
.crumb a{transition:color .18s var(--ease);}
.crumb a:hover{color:var(--brand);}
.crumb .now{color:var(--ink);}

/* ---------- page hero ---------- */
.page-hero{padding:36px 0 8px;}
.hero-grid{display:grid;grid-template-columns:1fr;gap:36px;align-items:center;}
@media (min-width:1024px){
  .hero-grid{grid-template-columns:1.12fr .88fr;gap:56px;}
  .page-hero{padding:56px 0 16px;}
}
.page-hero h1{
  font-size:30px;line-height:1.25;font-weight:700;color:var(--ink);
  letter-spacing:-.02em;margin:16px 0 14px;
}
@media (min-width:1024px){.page-hero h1{font-size:44px;line-height:1.15;}}
.hero-sub{font-size:17px;line-height:1.85;color:var(--text);max-width:600px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:22px;margin-top:26px;padding-top:20px;border-top:1px solid var(--line);}
.hero-meta div{font-size:13px;color:var(--muted);}
.hero-meta strong{display:block;font-size:20px;color:var(--ink);font-weight:700;font-variant-numeric:tabular-nums;line-height:1.5;}
.hero-media{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-1);background:var(--card);
}
.hero-media img{width:100%;height:100%;aspect-ratio:16/11;object-fit:cover;}
.hero-media figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:18px 20px;
  background:linear-gradient(to top,rgba(26,23,20,.82),rgba(26,23,20,0));
  color:#fff;font-size:14px;line-height:1.7;
}

/* ---------- chips ---------- */
.chip-row{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 15px;border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:13.5px;color:var(--text);cursor:pointer;
  transition:border-color .18s var(--ease),background .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.chip:hover{border-color:rgba(242,81,43,.35);color:var(--ink);transform:translateY(-1px);}
.chip.is-active{background:var(--lime);border-color:var(--lime);color:var(--lime-ink);font-weight:600;}

/* ---------- compare ---------- */
.compare{
  display:grid;grid-template-columns:1fr;gap:0;
  margin-top:32px;border-top:1px solid var(--line);
}
@media (min-width:1024px){
  .compare{grid-template-columns:1fr 1px 1fr;}
}
.compare-divider{background:var(--line);width:100%;height:1px;}
@media (min-width:1024px){.compare-divider{width:1px;height:100%;}}
.compare-col{padding:28px 0 0;}
@media (min-width:1024px){
  .compare-col{padding:36px 0 8px;}
  .compare-col:first-child{padding-right:40px;}
  .compare-col:last-child{padding-left:40px;}
}
.compare-head{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:10px;}
.compare-note{font-size:14px;line-height:1.8;color:var(--muted);margin-bottom:12px;}
.compare-item{
  display:grid;grid-template-columns:auto 1fr;gap:16px;
  padding:22px 12px 22px 0;border-bottom:1px solid var(--line);
  transition:background .18s var(--ease),padding-left .18s var(--ease);
  border-radius:0 12px 12px 0;
}
.compare-item:hover{background:var(--hover);padding-left:12px;}
.compare-idx{
  font-size:15px;font-weight:700;color:var(--brand);
  font-variant-numeric:tabular-nums;line-height:1.7;
}
.compare-item h4{font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;margin-bottom:6px;}
.compare-item p{font-size:15px;line-height:1.8;color:var(--muted);}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:1fr;gap:24px;margin-top:36px;}
@media (min-width:640px){.steps{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.steps{grid-template-columns:repeat(4,1fr);gap:28px;}}
.step{padding-top:20px;border-top:2px solid var(--line);transition:border-color .18s var(--ease);}
.step:hover{border-top-color:var(--brand);}
.step-idx{
  font-size:13px;font-weight:700;color:var(--lime-ink);letter-spacing:.06em;
  font-variant-numeric:tabular-nums;display:inline-block;margin-bottom:10px;
  background:var(--lime);border-radius:999px;padding:2px 10px;
}
.step h4{font-size:17px;font-weight:600;color:var(--ink);margin-bottom:6px;line-height:1.5;}
.step p{font-size:15px;line-height:1.8;color:var(--muted);}

/* ---------- faq ---------- */
.faq{margin-top:28px;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:22px 0;background:none;border:0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.6;
  transition:color .18s var(--ease);
}
.faq-q:hover{color:var(--brand);}
.faq-sign{
  flex:0 0 auto;width:22px;height:22px;position:relative;margin-top:6px;
  transition:transform .22s var(--ease);
}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;background:var(--muted);border-radius:2px;
  transition:background .18s var(--ease);
}
.faq-sign::before{left:0;right:0;top:10px;height:1.5px;}
.faq-sign::after{top:0;bottom:0;left:10px;width:1.5px;}
.faq-item.is-open .faq-sign{transform:rotate(45deg);}
.faq-item.is-open .faq-sign::before,.faq-item.is-open .faq-sign::after{background:var(--brand);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s var(--ease);}
.faq-a p{padding:0 0 24px;font-size:15.5px;line-height:1.9;color:var(--text);max-width:820px;}

/* ---------- cta band ---------- */
.cta-band{background:var(--ink-deep);color:#fff;padding:64px 0;}
@media (min-width:1024px){.cta-band{padding:88px 0;}}
.cta-grid{display:grid;grid-template-columns:1fr;gap:40px;align-items:center;}
@media (min-width:1024px){.cta-grid{grid-template-columns:1.35fr .65fr;gap:56px;}}
.cta-band h2{
  font-size:26px;line-height:1.3;font-weight:700;letter-spacing:-.01em;
  margin:16px 0 14px;color:#fff;
}
@media (min-width:1024px){.cta-band h2{font-size:32px;}}
.cta-band p{font-size:16px;line-height:1.9;color:rgba(255,255,255,.72);max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.55);color:#fff;}
.cta-band .btn-ghost:hover{background:#fff;color:var(--ink-deep);border-color:#fff;}
.cta-card{
  position:relative;width:min(62vw,210px);margin:0 auto;
  aspect-ratio:9/16;border-radius:var(--r-xl);overflow:hidden;
  border:1px solid rgba(255,255,255,.14);
}
.cta-card img{width:100%;height:100%;object-fit:cover;}
.cta-card-body{
  position:absolute;left:0;right:0;bottom:0;padding:16px;
  background:linear-gradient(to top,rgba(20,18,15,.9),rgba(20,18,15,0));
}
.cta-card-body p{font-size:14px;line-height:1.6;color:#fff;margin-top:8px;}
.cta-progress{height:2px;background:var(--lime);width:62%;border-radius:2px;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-deep);color:rgba(255,255,255,.72);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}}
.footer-brand{display:flex;align-items:center;gap:8px;margin-bottom:14px;}
.footer-brand-name{font-size:18px;font-weight:700;color:#fff;}
.footer-slogan{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.6);max-width:340px;}
.footer-col-title{
  position:relative;padding-left:12px;margin-bottom:16px;
  font-size:13px;color:rgba(255,255,255,.86);letter-spacing:.02em;
}
.footer-col-title::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:4px;border-radius:999px;background:var(--lime);
}
.footer-link{
  display:block;font-size:14px;line-height:2.1;color:rgba(255,255,255,.72);
  transition:color .18s var(--ease),transform .18s var(--ease);
}
.footer-link:hover{color:var(--lime);transform:translateX(3px);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.75);text-decoration:underline;text-underline-offset:3px;}
.footer-bottom a:hover{color:var(--lime);}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .compare-item:hover,.btn:hover,.chip:hover{transform:none !important;}
}