/* roulang page: index */
:root{
  --c-primary:#F2542D;
  --c-primary-dark:#D63F1B;
  --c-primary-soft:#FDEDE8;
  --c-accent:#1F6F6B;
  --c-accent-soft:#E4F1EF;
  --c-gold:#F2B01E;
  --c-bg:#FBF8F4;
  --c-surface:#FFFFFF;
  --c-ink:#191B1F;
  --c-ink-2:#5B6068;
  --c-line:#E8E2D9;
  --c-dark:#14161A;
  --r-card:16px;
  --r-btn:12px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(20,22,26,.04);
  --sh-2:0 8px 24px rgba(20,22,26,.06);
  --sh-3:0 14px 32px rgba(20,22,26,.10);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit;font-size: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(--c-primary);outline-offset:2px;border-radius:6px}
body.drawer-open{overflow:hidden}

/* ============ 布局骨架 ============ */
.app{display:flex;min-height:100vh;align-items:stretch}
.content{flex:1 1 auto;min-width:0;display:flex;flex-direction:column}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 48px}
.section{padding:96px 0}
.section-alt{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}

/* ============ 左侧竖向导航 ============ */
.sidebar{
  width:248px;flex:0 0 248px;
  background:var(--c-surface);
  border-right:1px solid var(--c-line);
  position:sticky;top:0;height:100vh;overflow-y:auto;
  padding:26px 20px 24px;
  display:flex;flex-direction:column;gap:22px;
  z-index:50;
}
.sidebar::-webkit-scrollbar{width:6px}
.sidebar::-webkit-scrollbar-thumb{background:var(--c-line);border-radius:3px}
.brand{display:flex;align-items:center;gap:11px;padding-right:42px}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px rgba(242,84,45,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.35;min-width:0}
.brand-text strong{font-size:14px;font-weight:800;letter-spacing:-.01em;color:var(--c-ink)}
.brand-text em{font-style:normal;font-size:12px;color:var(--c-ink-2)}
.nav-list{display:flex;flex-direction:column;gap:4px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:11px 12px;border-radius:10px;
  font-size:15px;color:var(--c-ink-2);
  transition:background .2s ease-out,color .2s ease-out,transform .2s ease-out;
}
.nav-item svg{width:18px;height:18px;flex:0 0 18px;opacity:.85}
.nav-item:hover{background:var(--c-primary-soft);color:var(--c-primary);transform:translateX(2px)}
.nav-item.active{background:var(--c-primary-soft);color:var(--c-primary);font-weight:700}
.nav-item.active::before{content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:3px;background:var(--c-primary)}
.sidebar-foot{margin-top:auto;padding-top:16px;border-top:1px solid var(--c-line);display:flex;flex-direction:column;gap:6px}
.sidebar-foot p{font-size:12px;line-height:1.6;color:var(--c-ink-2)}
.drawer-close{display:none}

/* ============ 移动端顶部导航 ============ */
.topbar{display:none}
.overlay{
  position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:55;
  opacity:0;visibility:hidden;transition:opacity .26s ease-out,visibility .26s ease-out;
}
.overlay.show{opacity:1;visibility:visible}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1.4;
  border:1.5px solid transparent;
  transition:background .24s ease-out,color .24s ease-out,transform .24s ease-out,box-shadow .24s ease-out,border-color .24s ease-out;
}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-dark);transform:translateY(-1px);box-shadow:0 12px 24px rgba(242,84,45,.28)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{border-color:var(--c-primary);color:var(--c-primary);background:transparent}
.btn-ghost:hover{background:var(--c-primary-soft);transform:translateY(-1px)}
.btn-white{background:#fff;color:var(--c-primary-dark)}
.btn-white:hover{background:var(--c-primary-soft);transform:translateY(-1px)}
.btn-outline-light{border-color:rgba(255,255,255,.72);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.14);transform:translateY(-1px)}
.btn-block{width:100%}
.icon-btn{
  width:40px;height:40px;border-radius:999px;flex:0 0 40px;
  border:1px solid var(--c-line);background:#fff;color:var(--c-ink-2);
  display:flex;align-items:center;justify-content:center;
  transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out;
}
.icon-btn:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-soft);transform:translateY(-1px)}
.text-btn{display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-size:14px;font-weight:600;border-bottom:1px solid transparent;transition:border-color .2s ease-out,color .2s ease-out}
.text-btn:hover{border-color:var(--c-primary);color:var(--c-primary-dark)}

/* ============ 徽章 / 标签 ============ */
.badge{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;font-size:13px;font-weight:600;line-height:1}
.badge-soft{background:var(--c-primary-soft);color:var(--c-primary)}
.badge-accent{background:var(--c-accent-soft);color:var(--c-accent)}
.chip{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;background:var(--c-accent-soft);color:var(--c-accent);font-size:12.5px;font-weight:600;line-height:1}
.stamp{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--c-ink-2)}
.stamp svg{width:14px;height:14px}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:72px 0 28px}
.hero::before{content:"";position:absolute;right:-90px;top:-70px;width:320px;height:320px;border-radius:50%;border:34px solid rgba(242,84,45,.06);pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;min-height:520px}
.hero h1{font-size:clamp(28px,3.6vw,44px);line-height:1.25;font-weight:800;letter-spacing:-.01em;margin:18px 0 16px;max-width:15em}
.hero-sub{font-size:17px;color:var(--c-ink-2);max-width:30em}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.hero-metrics{display:flex;flex-wrap:wrap;gap:22px;margin-top:34px;padding-top:24px;border-top:1px dashed var(--c-line)}
.hero-metrics li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--c-ink-2)}
.hero-metrics svg{width:18px;height:18px;color:var(--c-accent)}
.hero-media{position:relative;border-radius:20px;overflow:hidden;box-shadow:var(--sh-2);aspect-ratio:4/3;background:var(--c-primary-soft)}
.hero-media>img{width:100%;height:100%;object-fit:cover}
.float-card{
  position:absolute;right:18px;top:18px;width:196px;
  background:#fff;border-radius:14px;padding:14px 16px;
  box-shadow:var(--sh-3);border:1px solid var(--c-line);
}
.float-card .stars{display:flex;align-items:center;gap:8px;color:var(--c-gold);font-size:14px;letter-spacing:2px}
.float-card .stars em{font-style:normal;letter-spacing:0;font-size:12.5px;font-weight:700;color:var(--c-accent)}
.float-card p{font-size:13px;color:var(--c-ink-2);margin:6px 0 8px;line-height:1.6}

/* ============ 区块标题 ============ */
.sec-head{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:36px}
.sec-title{position:relative;padding-left:16px;font-size:clamp(22px,2.2vw,30px);font-weight:700;line-height:1.35}
.sec-title::before{content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:2px;background:var(--c-primary)}
.sec-desc{margin-top:10px;font-size:15px;color:var(--c-ink-2);max-width:60ch}

/* ============ 卡片 ============ */
.card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--sh-1);
  transition:transform .28s ease-out,box-shadow .28s ease-out,border-color .28s ease-out;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-3);border-color:rgba(242,84,45,.32)}
.card-cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--c-primary-soft)}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease-out}
.card:hover .card-cover img{transform:scale(1.04)}
.card-cover .badge{position:absolute;left:12px;top:12px}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:19px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body .desc{font-size:14.5px;line-height:1.75;color:var(--c-ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:auto;padding-top:8px;font-size:13px;color:var(--c-ink-2)}
.ticks{display:flex;flex-direction:column;gap:6px;font-size:14px;color:var(--c-ink-2)}
.ticks li{display:flex;align-items:center;gap:8px}
.ticks li::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--c-primary);flex:0 0 6px}
.mag-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.mag-grid .card.big{grid-column:span 6;grid-row:span 2}
.mag-grid .card.small{grid-column:span 3}
.mag-grid .card.big .card-cover{aspect-ratio:auto;flex:1;min-height:210px}

/* ============ 评价轮播 ============ */
.rail{
  display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:4px 4px 18px;scrollbar-width:thin;
}
.rail::-webkit-scrollbar{height:6px}
.rail::-webkit-scrollbar-thumb{background:var(--c-line);border-radius:3px}
.review{
  flex:0 0 calc((100% - 48px) / 2.5);scroll-snap-align:start;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px;display:flex;flex-direction:column;gap:12px;box-shadow:var(--sh-1);
  transition:box-shadow .28s ease-out,transform .28s ease-out;
}
.review:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.review .r-top{display:flex;align-items:center;gap:12px}
.avatar{
  width:44px;height:44px;flex:0 0 44px;border-radius:999px;
  background:var(--c-accent-soft);color:var(--c-accent);
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;
}
.review .r-name{font-size:14px;font-weight:700;color:var(--c-ink);line-height:1.4}
.review .r-role{font-size:12.5px;color:var(--c-ink-2)}
.review .r-stars{color:var(--c-gold);font-size:14px;letter-spacing:2px}
.review .r-text{font-size:14.5px;line-height:1.8;color:var(--c-ink-2)}
.arrows{display:flex;gap:10px}

/* ============ 保障条 ============ */
.guarantee{background:var(--c-dark);color:#fff;padding:58px 0}
.g-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.g-item{display:flex;flex-direction:column;gap:10px}
.g-top{display:flex;align-items:center;gap:10px}
.g-top svg{width:22px;height:22px;color:var(--c-primary)}
.g-top strong{font-size:16px;font-weight:700}
.g-item p{font-size:14px;line-height:1.7;color:rgba(255,255,255,.62)}

/* ============ 转化 CTA ============ */
.cta-block{
  background:var(--c-primary);color:#fff;border-radius:20px;
  padding:46px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:0 18px 40px rgba(242,84,45,.22);
}
.cta-block h2{font-size:clamp(22px,2.2vw,28px);font-weight:700;line-height:1.35}
.cta-block p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.88);max-width:44ch}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:880px}
.faq{background:#fff;border:1px solid var(--c-line);border-radius:14px;overflow:hidden;box-shadow:var(--sh-1);transition:border-color .24s ease-out,box-shadow .24s ease-out}
.faq[open]{border-color:rgba(242,84,45,.32);box-shadow:var(--sh-2)}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:17px;font-weight:600;line-height:1.6;
  transition:background .24s ease-out,color .24s ease-out;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:22px;font-weight:400;color:var(--c-primary);line-height:1}
.faq summary:hover{background:var(--c-primary-soft);color:var(--c-primary-dark)}
.faq[open] summary{background:var(--c-primary-soft);color:var(--c-primary-dark)}
.faq[open] summary::after{content:"−"}
.faq-body{padding:4px 22px 20px;font-size:15px;line-height:1.85;color:var(--c-ink-2);background:#fff}

/* ============ CMS 最新信息 ============ */
.cms-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.55fr);gap:28px;align-items:start}
.cms-feature{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);
  border-radius:16px;overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .28s ease-out,box-shadow .28s ease-out,border-color .28s ease-out;
}
.cms-feature:hover{transform:translateY(-3px);box-shadow:var(--sh-3);border-color:rgba(242,84,45,.32)}
.cms-feature .cover{aspect-ratio:16/11;overflow:hidden;background:var(--c-primary-soft)}
.cms-feature .cover img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease-out}
.cms-feature:hover .cover img{transform:scale(1.04)}
.cms-feature-body{padding:22px;display:flex;flex-direction:column;gap:10px}
.cms-feature-body h3{font-size:20px;font-weight:700;line-height:1.5}
.cms-feature-body p{font-size:14.5px;line-height:1.8;color:var(--c-ink-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.cms-list{background:#fff;border:1px solid var(--c-line);border-radius:16px;padding:6px 22px;box-shadow:var(--sh-1)}
.cms-item{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--c-line);transition:background .2s ease-out}
.cms-item:last-child{border-bottom:0}
.cms-item:hover .cms-item-title{color:var(--c-primary)}
.cms-item .thumb{width:96px;height:64px;flex:0 0 96px;border-radius:8px;overflow:hidden;background:var(--c-primary-soft)}
.cms-item .thumb img{width:100%;height:100%;object-fit:cover}
.cms-item-body{display:flex;flex-direction:column;gap:6px;min-width:0}
.cms-item-top{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.cms-item-title{font-size:16px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s ease-out}
.cms-item-desc{font-size:13.5px;line-height:1.7;color:var(--c-ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.empty{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  padding:66px 24px;background:#fff;border:1px dashed var(--c-line);border-radius:16px;text-align:center;
}
.empty svg{width:40px;height:40px;color:var(--c-primary);opacity:.8}
.empty p{font-size:15px;color:var(--c-ink-2)}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:auto}
.f-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.f-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.f-brand .brand-mark{box-shadow:none}
.f-brand strong{font-size:15px;font-weight:800;color:#fff;line-height:1.4}
.f-intro{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:34ch}
.f-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px}
.f-link{display:block;padding:6px 0;font-size:14px;color:rgba(255,255,255,.62);transition:color .2s ease-out,transform .2s ease-out}
.f-link:hover{color:var(--c-primary);transform:translateX(2px)}
.f-bottom{
  margin-top:48px;padding:22px 0;border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.45);
}

/* ============ 响应式 ============ */
@media (max-width:1439px){
  .container{padding:0 40px}
}
@media (max-width:1279px){
  .sidebar{width:216px;flex-basis:216px;padding:22px 16px}
  .container{padding:0 32px}
  .hero-grid{gap:40px}
}
@media (max-width:1023px){
  .topbar{
    display:flex;align-items:center;gap:12px;
    position:sticky;top:0;z-index:40;height:56px;padding:0 14px;
    background:rgba(255,255,255,.96);backdrop-filter:blur(8px);
    border-bottom:1px solid var(--c-line);
  }
  .hamburger,.topbar-cta{
    width:44px;height:44px;border-radius:10px;flex:0 0 44px;
    display:flex;align-items:center;justify-content:center;color:var(--c-ink-2);
    transition:background .2s ease-out,color .2s ease-out;
  }
  .hamburger:hover,.topbar-cta:hover{background:var(--c-primary-soft);color:var(--c-primary)}
  .topbar-brand{flex:1 1 auto;text-align:center;font-size:15px;font-weight:800;letter-spacing:-.01em;color:var(--c-ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .topbar-cta{color:var(--c-primary)}
  .sidebar{
    position:fixed;top:0;left:0;bottom:0;height:100%;
    width:280px;flex-basis:280px;
    transform:translateX(-104%);
    transition:transform .28s ease-out;
    box-shadow:var(--sh-3);
    z-index:60;
  }
  .sidebar.open{transform:translateX(0)}
  .drawer-close{
    display:flex;align-items:center;justify-content:center;
    position:absolute;top:16px;right:12px;width:44px;height:44px;border-radius:10px;
    color:var(--c-ink-2);transition:background .2s ease-out,color .2s ease-out;
  }
  .drawer-close:hover{background:var(--c-primary-soft);color:var(--c-primary)}
  .brand{padding-right:52px}
  .section{padding:72px 0}
  .hero{padding:44px 0 20px}
  .hero-grid{grid-template-columns:1fr;gap:36px;min-height:auto}
  .hero::before{display:none}
  .mag-grid .card.big{grid-column:span 12;grid-row:auto}
  .mag-grid .card.small{grid-column:span 6}
  .mag-grid .card.big .card-cover{aspect-ratio:16/9;flex:0 0 auto;min-height:0}
  .review{flex:0 0 calc((100% - 24px) / 2)}
  .g-grid{grid-template-columns:repeat(2,1fr);gap:26px}
  .cms-grid{grid-template-columns:1fr}
  .f-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-block{flex-direction:column;align-items:flex-start;padding:34px 28px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:26px}
  .sec-title{padding-left:14px}
  .mag-grid{gap:18px}
  .mag-grid .card.small{grid-column:span 12}
  .review{flex:0 0 86%}
  .hero-metrics{gap:14px}
  .cta-block{padding:28px 22px}
  .cta-actions{width:100%}
  .faq summary{font-size:16px;padding:16px 18px}
  .faq-body{padding:2px 18px 18px}
  .cms-list{padding:4px 16px}
  .cms-item .thumb{width:80px;height:56px;flex:0 0 80px}
  .f-grid{grid-template-columns:1fr}
  .f-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:479px){
  .container{padding:0 16px}
  .btn{padding:12px 18px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
  .float-card{width:170px;right:12px;top:12px;padding:12px}
}

/* roulang page: article */
:root{
    --c-primary:#F2542D;
    --c-primary-dark:#D63F1B;
    --c-primary-soft:#FDEDE8;
    --c-accent:#1F6F6B;
    --c-accent-soft:#E4F1EF;
    --c-gold:#F2B01E;
    --c-bg:#FBF8F4;
    --c-surface:#FFFFFF;
    --c-ink:#191B1F;
    --c-ink-2:#5B6068;
    --c-line:#E8E2D9;
    --c-dark:#14161A;
    --r-card:16px;
    --r-btn:12px;
    --r-input:10px;
    --sh-1:0 1px 2px rgba(20,22,26,.04);
    --sh-2:0 8px 24px rgba(20,22,26,.06);
    --sh-3:0 14px 32px rgba(20,22,26,.10);
    --sb-w:248px;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--c-bg);
    color:var(--c-ink);
    font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
    font-size:16px;
    line-height:1.85;
    font-variant-numeric:tabular-nums;
    -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,ul,ol,figure{margin:0}
  ul,ol{padding:0;list-style:none}

  .container{max-width:1240px;margin:0 auto;padding:0 48px}

  /* ============ 左侧竖向导航 ============ */
  .sidebar{
    position:fixed;top:0;left:0;bottom:0;
    width:var(--sb-w);
    background:#fff;
    border-right:1px solid var(--c-line);
    display:flex;flex-direction:column;
    padding:26px 18px 22px;
    overflow-y:auto;
    z-index:60;
  }
  .sb-brand{display:flex;align-items:center;gap:10px;padding:0 6px;margin-bottom:22px}
  .brand-mark{
    width:38px;height:38px;flex:none;border-radius:11px;
    background:var(--c-primary);color:#fff;
    display:flex;align-items:center;justify-content:center;
    box-shadow:0 6px 16px rgba(242,84,45,.3);
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0}
  .brand-text strong{font-size:15px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .brand-text em{font-style:normal;font-size:12px;color:var(--c-ink-2);margin-top:3px}

  .sb-cta{
    display:flex;align-items:center;justify-content:center;gap:8px;
    height:44px;border-radius:var(--r-btn);
    background:var(--c-primary);color:#fff;
    font-size:15px;font-weight:600;
    margin:0 4px 20px;
    transition:background .22s ease-out,transform .22s ease-out,box-shadow .22s ease-out;
  }
  .sb-cta:hover{background:var(--c-primary-dark);transform:translateY(-1px);box-shadow:0 10px 22px rgba(242,84,45,.28)}
  .sb-cta:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}

  .sb-group-title{font-size:12px;letter-spacing:.12em;color:var(--c-ink-2);padding:0 10px;margin-bottom:8px}

  .sb-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:22px}
  .sb-link{
    position:relative;
    display:flex;align-items:center;
    height:44px;padding:0 12px 0 14px;
    border-radius:10px;
    font-size:15px;color:var(--c-ink-2);
    transition:background .2s ease-out,color .2s ease-out,padding-left .2s ease-out;
  }
  .sb-link::before{
    content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:0 3px 3px 0;
    background:transparent;transition:background .2s ease-out;
  }
  .sb-link:hover{background:#FAF7F3;color:var(--c-ink);padding-left:18px}
  .sb-link.active{background:var(--c-primary-soft);color:var(--c-primary);font-weight:600}
  .sb-link.active::before{background:var(--c-primary)}
  .sb-link:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}

  .sb-foot{margin-top:auto;padding:16px 10px 0;border-top:1px solid var(--c-line);font-size:12.5px;color:var(--c-ink-2);line-height:1.9}
  .sb-foot p{margin:0}

  /* ============ 移动端顶栏 ============ */
  .topbar{display:none}
  .sidebar-mask{
    display:none;position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:55;opacity:0;transition:opacity .26s ease-out;
  }
  .sidebar-mask.show{display:block;opacity:1}

  /* ============ 内容区 ============ */
  .content{margin-left:var(--sb-w);min-height:100vh;display:flex;flex-direction:column}
  main{flex:1;padding:36px 0 72px}

  /* 面包屑 */
  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--c-ink-2);margin-bottom:22px}
  .breadcrumb a{transition:color .2s ease-out}
  .breadcrumb a:hover{color:var(--c-primary)}
  .breadcrumb .sep{color:#C6BFB4}
  .breadcrumb .cur{color:var(--c-ink);max-width:340px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

  /* 文章头 */
  .article-head{padding-bottom:22px;border-bottom:1px solid var(--c-line);margin-bottom:36px}
  .art-badge{
    display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
    background:var(--c-accent-soft);color:var(--c-accent);font-size:13px;font-weight:600;
  }
  .article-head h1{
    font-size:clamp(28px,3.6vw,44px);
    line-height:1.25;font-weight:800;letter-spacing:-.01em;
    margin:14px 0 16px;max-width:880px;
  }
  .head-row{display:flex;flex-wrap:wrap;align-items:center;gap:16px;justify-content:space-between}
  .meta-line{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--c-ink-2)}
  .meta-line .dot{width:3px;height:3px;border-radius:50%;background:#C6BFB4}
  .meta-ico{display:inline-flex;align-items:center;gap:6px}
  .share-group{display:flex;gap:10px}
  .icon-btn{
    width:40px;height:40px;border-radius:var(--r-btn);
    border:1px solid var(--c-line);background:#fff;color:var(--c-ink-2);
    display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
    transition:all .22s ease-out;
  }
  .icon-btn:hover{color:var(--c-primary);border-color:rgba(242,84,45,.4);background:var(--c-primary-soft);transform:translateY(-1px)}
  .icon-btn:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}

  /* 布局 */
  .article-layout{display:grid;grid-template-columns:minmax(0,1fr) 312px;gap:52px;align-items:start}
  .article-main{min-width:0}

  /* 正文排版 */
  .rich-text{max-width:760px;font-size:16px;line-height:1.85;color:var(--c-ink)}
  .rich-text p{margin:0 0 1.15em}
  .rich-text h2{
    position:relative;font-size:clamp(20px,2.2vw,26px);font-weight:700;line-height:1.35;
    margin:2em 0 .75em;padding-left:16px;
  }
  .rich-text h2::before{
    content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:2px;background:var(--c-primary);
  }
  .rich-text h3{font-size:18px;font-weight:600;line-height:1.5;margin:1.6em 0 .6em}
  .rich-text a{color:var(--c-accent);text-decoration:underline;text-underline-offset:3px;transition:color .2s ease-out}
  .rich-text a:hover{color:var(--c-primary)}
  .rich-text strong{font-weight:700}
  .rich-text blockquote{
    margin:1.4em 0;padding:20px 22px;
    border-left:3px solid var(--c-primary);
    background:var(--c-primary-soft);
    border-radius:0 12px 12px 0;
  }
  .rich-text blockquote p:last-child{margin-bottom:0}
  .rich-text ul{margin:0 0 1.15em}
  .rich-text ul li{position:relative;padding-left:20px;margin:.45em 0}
  .rich-text ul li::before{
    content:"";position:absolute;left:2px;top:.72em;width:6px;height:6px;border-radius:1px;background:var(--c-primary);
  }
  .rich-text ol{counter-reset:rn;margin:0 0 1.15em}
  .rich-text ol li{counter-increment:rn;position:relative;padding-left:36px;margin:.55em 0}
  .rich-text ol li::before{
    content:counter(rn);
    position:absolute;left:0;top:.28em;
    width:22px;height:22px;border-radius:7px;
    background:var(--c-primary);color:#fff;
    font-size:12px;font-weight:700;
    display:flex;align-items:center;justify-content:center;
  }
  .rich-text img{width:100%;height:auto;border-radius:12px;margin:1.4em 0}
  .rich-text figure{margin:1.5em 0}
  .rich-text figcaption{font-size:13px;color:var(--c-ink-2);text-align:center;margin-top:8px}
  .rich-text table{
    width:100%;border-collapse:separate;border-spacing:0;font-size:15px;
    border:1px solid var(--c-line);border-radius:12px;overflow:hidden;margin:1.4em 0;
  }
  .rich-text thead th{background:#F6F2EC;font-weight:600;text-align:left}
  .rich-text th,.rich-text td{padding:10px 14px;border-bottom:1px solid var(--c-line)}
  .rich-text tbody tr:nth-child(even){background:#FCFAF7}
  .rich-text tbody tr:last-child td{border-bottom:none}
  .rich-text hr{border:none;border-top:1px solid var(--c-line);margin:2em 0}

  /* 空态 */
  .empty-state{
    max-width:760px;
    border:1px dashed #D6CFC4;border-radius:var(--r-card);
    background:#FFFDFB;padding:44px 24px;text-align:center;
  }
  .empty-state .ei{
    width:56px;height:56px;margin:0 auto 16px;border-radius:16px;
    background:var(--c-primary-soft);color:var(--c-primary);
    display:flex;align-items:center;justify-content:center;
  }
  .empty-state h2{font-size:20px;font-weight:700;margin-bottom:8px}
  .empty-state p{color:var(--c-ink-2);font-size:15px;margin-bottom:20px}
  .skeleton-lines{max-width:520px;margin:0 auto 24px;display:flex;flex-direction:column;gap:10px}
  .skeleton-lines span{height:10px;border-radius:6px;background:#EFEAE2}
  .skeleton-lines span:nth-child(1){width:100%}
  .skeleton-lines span:nth-child(2){width:92%}
  .skeleton-lines span:nth-child(3){width:74%}

  /* 文章尾部 */
  .article-foot{margin-top:52px;padding-top:32px;border-top:1px solid var(--c-line);max-width:760px}
  .tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px}
  .tag{
    display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
    background:#F4F0EA;color:var(--c-ink-2);font-size:13px;
    transition:all .2s ease-out;
  }
  .tag:hover{background:var(--c-primary-soft);color:var(--c-primary)}
  .block-title{font-size:20px;font-weight:700;margin-bottom:16px}

  .pn-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:40px}
  .pn-card{
    display:flex;align-items:flex-start;gap:12px;
    background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
    padding:18px 20px;transition:all .24s ease-out;
  }
  .pn-card:hover{transform:translateY(-3px);box-shadow:var(--sh-3);border-color:rgba(242,84,45,.3)}
  .pn-card .pn-ico{color:var(--c-primary);flex:none;margin-top:4px}
  .pn-card .pn-kicker{font-size:12.5px;color:var(--c-ink-2);margin-bottom:4px}
  .pn-card .pn-txt{
    font-size:16px;font-weight:600;line-height:1.5;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .pn-card:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}

  .related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-bottom:40px}
  .rel-card{
    background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
    overflow:hidden;transition:all .26s ease-out;display:flex;flex-direction:column;
  }
  .rel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-3);border-color:rgba(242,84,45,.3)}
  .rel-card .thumb{aspect-ratio:16/10;overflow:hidden;background:#F1ECE5}
  .rel-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease-out}
  .rel-card:hover .thumb img{transform:scale(1.04)}
  .rel-card .rc-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
  .rel-card .rc-title{
    font-size:16px;font-weight:600;line-height:1.5;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .rel-card .rc-meta{font-size:13px;color:var(--c-ink-2);margin-top:auto}
  .rel-card:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}

  /* 侧栏 */
  .article-side{position:sticky;top:32px;display:flex;flex-direction:column;gap:20px}
  .side-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1)}
  .side-title{font-size:14px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
  .side-title::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--c-primary)}
  .toc{display:flex;flex-direction:column;gap:2px}
  .toc-link{
    position:relative;padding:9px 12px 9px 14px;border-radius:10px;font-size:14.5px;color:var(--c-ink-2);
    transition:all .2s ease-out;
  }
  .toc-link::before{
    content:"";position:absolute;left:0;top:11px;bottom:11px;width:3px;border-radius:0 3px 3px 0;background:transparent;transition:background .2s ease-out;
  }
  .toc-link:hover{background:#FAF7F3;color:var(--c-ink);padding-left:18px}
  .toc-link.is-active{background:var(--c-primary-soft);color:var(--c-primary);font-weight:600}
  .toc-link.is-active::before{background:var(--c-primary)}
  .toc-link:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}

  .mini-list{display:flex;flex-direction:column}
  .mini-link{
    display:flex;align-items:center;gap:10px;
    padding:12px 0;border-bottom:1px solid var(--c-line);
    font-size:14.5px;color:var(--c-ink-2);
    transition:color .2s ease-out,padding-left .2s ease-out;
  }
  .mini-link:last-child{border-bottom:none}
  .mini-link .mk{width:22px;height:22px;flex:none;border-radius:7px;background:var(--c-accent-soft);color:var(--c-accent);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700}
  .mini-link:hover{color:var(--c-primary);padding-left:5px}

  .side-cta{background:var(--c-primary-soft);border:1px solid rgba(242,84,45,.18);border-radius:var(--r-card);padding:22px}
  .side-cta h3{font-size:16px;font-weight:700;margin-bottom:8px}
  .side-cta p{font-size:14px;color:var(--c-ink-2);line-height:1.8;margin-bottom:16px}

  /* 按钮 */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 20px;border-radius:var(--r-btn);
    font-size:15px;font-weight:600;border:1.5px solid transparent;
    cursor:pointer;transition:all .22s ease-out;white-space:nowrap;
  }
  .btn-primary{background:var(--c-primary);color:#fff}
  .btn-primary:hover{background:var(--c-primary-dark);transform:translateY(-1px);box-shadow:0 10px 22px rgba(242,84,45,.26)}
  .btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}
  .btn-ghost:hover{background:var(--c-primary-soft);transform:translateY(-1px)}
  .btn-block{width:100%}
  .btn:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
  .btn:active{transform:translateY(0)}

  /* ============ 页脚 ============ */
  .site-footer{background:var(--c-dark);color:rgba(255,255,255,.62);padding:64px 0 28px;margin-top:auto}
  .f-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
  .f-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
  .f-brand .brand-mark{width:36px;height:36px;border-radius:10px;font-size:0}
  .f-brand strong{color:#fff;font-size:16px;font-weight:800;letter-spacing:-.01em}
  .f-intro{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);max-width:320px}
  .f-title{color:#fff;font-size:14px;font-weight:700;margin-bottom:14px}
  .f-link{display:block;font-size:14px;color:rgba(255,255,255,.62);padding:5px 0;transition:color .2s ease-out,transform .2s ease-out}
  .f-link:hover{color:var(--c-primary);transform:translateX(2px)}
  a.f-link:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px}
  .f-bottom{
    margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
    display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
    font-size:13px;color:rgba(255,255,255,.5);
  }

  /* ============ 响应式 ============ */
  @media (max-width:1280px){
    :root{--sb-w:216px}
    .container{padding:0 40px}
    .article-layout{grid-template-columns:minmax(0,1fr) 288px;gap:40px}
  }
  @media (max-width:1024px){
    .sidebar{
      width:280px;
      transform:translateX(-100%);
      transition:transform .28s ease-out;
      box-shadow:var(--sh-3);
    }
    .sidebar.open{transform:none}
    .topbar{
      display:flex;position:fixed;top:0;left:0;right:0;height:56px;z-index:70;
      align-items:center;justify-content:space-between;gap:10px;
      padding:0 14px;
      background:rgba(251,248,244,.95);
      backdrop-filter:blur(10px);
      border-bottom:1px solid var(--c-line);
    }
    .hamburger{
      width:44px;height:44px;border:none;background:transparent;color:var(--c-ink);
      display:inline-flex;align-items:center;justify-content:center;border-radius:10px;cursor:pointer;
      transition:background .2s ease-out;
    }
    .hamburger:hover{background:#F1ECE5}
    .hamburger:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
    .topbar-brand{font-size:16px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .topbar-cta{
      width:44px;height:44px;border-radius:12px;background:var(--c-primary);color:#fff;
      display:inline-flex;align-items:center;justify-content:center;flex:none;
      transition:background .2s ease-out;
    }
    .topbar-cta:hover{background:var(--c-primary-dark)}
    .content{margin-left:0;padding-top:56px}
    .container{padding:0 32px}
    .article-layout{grid-template-columns:minmax(0,1fr);gap:34px}
    .article-side{position:static;flex-direction:row;flex-wrap:wrap}
    .article-side>*{flex:1 1 280px}
    main{padding:28px 0 60px}
  }
  @media (max-width:768px){
    .container{padding:0 24px}
    .article-head h1{font-size:clamp(26px,6vw,34px)}
    .head-row{gap:20px}
    .pn-grid{grid-template-columns:1fr}
    .related-grid{grid-template-columns:1fr}
    .f-grid{grid-template-columns:1fr 1fr;gap:28px}
    .site-footer{padding:52px 0 24px}
    .rich-text h2{margin-top:1.7em}
  }
  @media (max-width:520px){
    .container{padding:0 16px}
    .rich-text{font-size:15.5px}
    .btn{width:100%}
    .share-group .icon-btn{width:38px;height:38px}
    .f-grid{grid-template-columns:1fr}
    .f-bottom{flex-direction:column}
    .article-side>*{flex:1 1 100%}
  }

/* roulang page: category1 */
:root{
  --c-primary:#F2542D;
  --c-primary-dark:#D63F1B;
  --c-primary-soft:#FDEDE8;
  --c-accent:#1F6F6B;
  --c-accent-soft:#E4F1EF;
  --c-gold:#F2B01E;
  --c-bg:#FBF8F4;
  --c-surface:#FFFFFF;
  --c-ink:#191B1F;
  --c-ink-2:#5B6068;
  --c-line:#E8E2D9;
  --c-dark:#14161A;
  --r-card:16px;
  --r-btn:12px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(20,22,26,.04);
  --sh-2:0 8px 24px rgba(20,22,26,.06);
  --sh-3:0 14px 32px rgba(20,22,26,.10);
  --side-w:248px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
h1,h2,h3,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}

.container{max-width:1240px;margin:0 auto;padding:0 48px;width:100%;}

/* ---------- 布局骨架 ---------- */
.layout{min-height:100vh;}
.content-wrap{
  margin-left:var(--side-w);
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
.content-wrap main{flex:1;}

/* ---------- 品牌 ---------- */
.brand{display:flex;align-items:center;gap:10px;}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:var(--c-primary-soft);
  color:var(--c-primary);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-size:15px;font-weight:800;letter-spacing:-.01em;}
.brand-text span{font-size:12px;color:var(--c-ink-2);}

/* ---------- 左侧竖向导航 ---------- */
.sidebar{
  position:fixed;top:0;left:0;z-index:60;
  width:var(--side-w);height:100vh;
  background:var(--c-surface);
  border-right:1px solid var(--c-line);
  display:flex;flex-direction:column;
  padding:24px 18px 20px;
  overflow-y:auto;
  transition:transform .28s ease-out;
}
.sidebar-head{display:flex;align-items:center;justify-content:space-between;gap:8px;}
.drawer-close{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border-radius:12px;color:var(--c-ink-2);
  transition:background .2s ease-out,color .2s ease-out;
}
.drawer-close:hover{background:var(--c-primary-soft);color:var(--c-primary);}

.sidebar-cta{
  margin-top:20px;
  width:100%;
  display:flex;align-items:center;justify-content:center;gap:8px;
  height:46px;
  font-size:15px;font-weight:700;
}

.side-nav{margin-top:26px;display:flex;flex-direction:column;gap:4px;}
.side-link{
  position:relative;
  display:flex;align-items:center;
  height:46px;padding:0 14px 0 16px;
  border-radius:12px;
  font-size:15px;font-weight:600;
  color:var(--c-ink-2);
  transition:background .2s ease-out,color .2s ease-out,transform .2s ease-out;
}
.side-link:hover{background:#F5F1EA;color:var(--c-ink);transform:translateX(2px);}
.side-link.is-active{
  background:var(--c-primary-soft);
  color:var(--c-primary);
}
.side-link.is-active::before{
  content:"";
  position:absolute;left:4px;top:50%;transform:translateY(-50%);
  width:3px;height:22px;border-radius:3px;
  background:var(--c-primary);
}

.sidebar-foot{
  margin-top:auto;padding-top:22px;
  border-top:1px solid var(--c-line);
  font-size:13px;color:var(--c-ink-2);line-height:1.7;
}
.sidebar-foot p{margin:0 0 4px;}
.sidebar-foot .copy{margin-top:10px;color:#9AA0A8;font-size:12px;}

/* ---------- 移动端顶栏 ---------- */
.topbar{
  display:none;
  position:sticky;top:0;z-index:50;
  height:56px;padding:0 14px;
  align-items:center;gap:10px;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);
}
.hamburger{
  width:44px;height:44px;flex:0 0 44px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;color:var(--c-ink);
  transition:background .2s ease-out;
}
.hamburger:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.topbar-brand{
  flex:1;text-align:center;
  font-size:16px;font-weight:800;letter-spacing:-.01em;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.topbar-cta{
  width:44px;height:44px;flex:0 0 44px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:var(--c-primary);color:#fff;
  transition:background .2s ease-out,transform .2s ease-out;
}
.topbar-cta:hover{background:var(--c-primary-dark);transform:translateY(-1px);}

.drawer-mask{
  position:fixed;inset:0;z-index:55;
  background:rgba(0,0,0,.6);
  opacity:0;visibility:hidden;
  transition:opacity .28s ease-out,visibility .28s ease-out;
}
.drawer-mask.show{opacity:1;visibility:visible;}

/* ---------- 按钮族 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:700;
  transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
  white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--c-primary-dark);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:transparent;color:var(--c-primary);border:1.5px solid var(--c-primary);}
.btn-outline:hover{background:var(--c-primary-soft);transform:translateY(-1px);}
.btn-ghost-light{background:#fff;color:var(--c-primary);}
.btn-ghost-light:hover{background:#fff;color:var(--c-primary-dark);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-outline-light{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.62);}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.12);transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}

.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--c-primary);
  transition:gap .2s ease-out,color .2s ease-out;
}
.link-arrow:hover{gap:10px;color:var(--c-primary-dark);}
.link-arrow svg{flex:0 0 auto;}

/* ---------- 通用 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:5px;
  height:26px;padding:0 11px;
  border-radius:999px;
  font-size:13px;font-weight:600;line-height:1;
  background:var(--c-accent-soft);color:var(--c-accent);
}
.badge-hot{background:var(--c-primary-soft);color:var(--c-primary);}
.badge-gold{background:#FDF3DE;color:#9A6A05;}

.section{padding:96px 0;}
.section-tight{padding:56px 0;}

.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:34px;flex-wrap:wrap;
}
.sec-title{
  display:flex;align-items:center;gap:12px;
  font-size:28px;font-weight:700;line-height:1.35;
}
.sec-title::before{
  content:"";flex:0 0 4px;
  width:4px;height:24px;border-radius:3px;
  background:var(--c-primary);
}
.sec-desc{font-size:14px;color:var(--c-ink-2);margin-top:8px;padding-left:16px;}

.lede{font-size:16px;color:var(--c-ink-2);max-width:760px;}

.breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:14px;color:var(--c-ink-2);
  padding:22px 0 0;
}
.breadcrumb a{transition:color .2s ease-out;}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:#C4C8CE;}
.breadcrumb .current{color:var(--c-ink);font-weight:600;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  background:linear-gradient(180deg,#FDF4EF 0%,var(--c-bg) 100%);
  border-bottom:1px solid var(--c-line);
  overflow:hidden;
}
.hero::after{
  content:"";
  position:absolute;right:-120px;top:-140px;
  width:360px;height:360px;border-radius:50%;
  border:44px solid var(--c-primary);
  opacity:.05;pointer-events:none;
}
.hero-inner{
  display:grid;
  grid-template-columns:1fr 340px;
  gap:48px;
  align-items:center;
  min-height:240px;
  padding:40px 0 44px;
}
.hero h1{
  font-size:clamp(28px,3.6vw,42px);
  line-height:1.25;
  font-weight:800;
  letter-spacing:-.01em;
  margin-bottom:14px;
}
.hero h1 em{font-style:normal;color:var(--c-primary);}
.hero-sub{font-size:16px;color:var(--c-ink-2);max-width:560px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.hero-tags .badge{background:#fff;border:1px solid var(--c-line);color:var(--c-ink-2);}
.hero-visual{
  position:relative;
  border-radius:20px;overflow:hidden;
  box-shadow:var(--sh-2);
  aspect-ratio:4/3;
}
.hero-visual img{width:100%;height:100%;object-fit:cover;}

/* ---------- 入口卡片 ---------- */
.group + .group{margin-top:64px;}
.group-head{
  display:flex;align-items:baseline;gap:14px;
  margin-bottom:22px;flex-wrap:wrap;
}
.group-head h2{
  display:flex;align-items:center;gap:12px;
  font-size:24px;font-weight:700;line-height:1.35;
}
.group-head h2::before{
  content:"";flex:0 0 4px;width:4px;height:22px;border-radius:3px;
  background:var(--c-primary);
}
.group-head .group-note{font-size:14px;color:var(--c-ink-2);}

.card-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(248px,1fr));
  gap:24px;
}
.entry-card{
  display:flex;flex-direction:column;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .26s ease-out,box-shadow .26s ease-out,border-color .26s ease-out;
}
.entry-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--sh-3);
  border-color:rgba(242,84,45,.3);
}
.entry-cover{
  position:relative;
  display:block;
  aspect-ratio:16/10;
  overflow:hidden;
  background:#F3EFE8;
}
.entry-cover img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease-out;}
.entry-card:hover .entry-cover img{transform:scale(1.04);}
.entry-cover .badge{
  position:absolute;left:12px;top:12px;
  background:rgba(255,255,255,.94);
  color:var(--c-accent);
  box-shadow:var(--sh-1);
}
.entry-cover .badge.badge-hot{color:var(--c-primary);}
.entry-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.entry-body h3{
  font-size:19px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.entry-body p{
  font-size:14px;color:var(--c-ink-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.entry-meta{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--c-ink-2);
  font-variant-numeric:tabular-nums;
}
.entry-meta .dot{width:3px;height:3px;border-radius:50%;background:#C4C8CE;}
.entry-body .link-arrow{margin-top:auto;padding-top:6px;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq-item{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:border-color .24s ease-out,box-shadow .24s ease-out;
}
.faq-item:hover{border-color:rgba(242,84,45,.3);}
.faq-item[open]{box-shadow:var(--sh-2);}
.faq-item summary{
  list-style:none;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:19px 22px;
  font-size:17px;font-weight:600;line-height:1.6;
  cursor:pointer;
  transition:background .24s ease-out;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  flex:0 0 auto;
  font-size:22px;font-weight:400;line-height:1;
  color:var(--c-primary);
  transition:transform .24s ease-out;
}
.faq-item[open] summary{background:var(--c-primary-soft);}
.faq-item[open] summary::after{content:"−";}
.faq-body{
  padding:16px 22px 20px;
  font-size:15px;line-height:1.8;color:var(--c-ink-2);
  border-top:1px solid var(--c-line);
}

/* ---------- CTA 条 ---------- */
.cta-block{
  background:var(--c-primary-soft);
  border:1px solid rgba(242,84,45,.16);
  border-radius:20px;
  padding:40px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  flex-wrap:wrap;
}
.cta-block h2{font-size:26px;font-weight:700;line-height:1.4;margin-bottom:8px;}
.cta-block p{font-size:15px;color:var(--c-ink-2);max-width:560px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-dark);
  color:rgba(255,255,255,.75);
  padding:64px 0 28px;
  margin-top:80px;
}
.f-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
}
.f-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.f-brand .brand-mark{background:rgba(242,84,45,.16);color:var(--c-primary);}
.f-brand strong{color:#fff;font-size:16px;font-weight:800;letter-spacing:-.01em;}
.f-intro{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:340px;}
.f-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;}
.f-link{
  display:block;
  font-size:14px;line-height:1.6;
  color:rgba(255,255,255,.62);
  margin-bottom:10px;
  transition:color .2s ease-out;
}
a.f-link:hover{color:var(--c-primary);}
.f-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.48);
}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  :root{--side-w:216px;}
  .container{padding:0 32px;}
  .hero-inner{grid-template-columns:1fr 300px;gap:36px;}
}

@media (max-width:1024px){
  .sidebar{transform:translateX(-100%);box-shadow:var(--sh-3);width:280px;}
  .sidebar.open{transform:translateX(0);}
  .drawer-close{display:flex;}
  .content-wrap{margin-left:0;}
  .topbar{display:flex;}
  .section{padding:72px 0;}
  .section-tight{padding:44px 0;}
  .hero-inner{grid-template-columns:1fr;gap:28px;padding:32px 0 36px;min-height:auto;}
  .hero-visual{aspect-ratio:16/9;max-width:100%;}
  .cta-block{padding:34px 30px;}
  .f-grid{grid-template-columns:1fr 1fr;gap:32px;}
}

@media (max-width:768px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .sec-title{font-size:23px;}
  .group-head h2{font-size:21px;}
  .card-grid{grid-template-columns:1fr;gap:18px;}
  .cta-block{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .site-footer{padding:52px 0 24px;margin-top:56px;}
  .f-grid{grid-template-columns:1fr;gap:28px;}
  .f-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}

@media (max-width:520px){
  .container{padding:0 16px;}
  .hero h1{font-size:26px;}
  .btn{width:100%;}
  .link-arrow{width:auto;}
  .breadcrumb{font-size:13px;flex-wrap:wrap;}
  .faq-item summary{padding:16px 16px;font-size:16px;}
  .faq-body{padding:14px 16px 18px;}
}

/* roulang page: category2 */
:root{
  --c-primary:#F2542D;
  --c-primary-dark:#D63F1B;
  --c-primary-soft:#FDEDE8;
  --c-accent:#1F6F6B;
  --c-accent-soft:#E4F1EF;
  --c-gold:#F2B01E;
  --c-bg:#FBF8F4;
  --c-surface:#FFFFFF;
  --c-ink:#191B1F;
  --c-ink-2:#5B6068;
  --c-line:#E8E2D9;
  --c-dark:#14161A;
  --r-card:16px;
  --r-btn:12px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(20,22,26,.04);
  --sh-2:0 8px 24px rgba(20,22,26,.06);
  --sh-3:0 14px 32px rgba(20,22,26,.10);
  --sidebar-w:248px;
  --sec-gap:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color 200ms ease-out,background-color 200ms ease-out,border-color 200ms ease-out}
img{max-width:100%;display:block;height:auto}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 48px}
.num{font-variant-numeric:tabular-nums}

/* ---------- 布局 ---------- */
.content-wrap{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column}
.page-main{flex:1 1 auto}

/* ---------- 侧栏 ---------- */
.sidebar{
  position:fixed;top:0;left:0;width:var(--sidebar-w);height:100vh;
  background:var(--c-surface);border-right:1px solid var(--c-line);
  display:flex;flex-direction:column;gap:22px;
  padding:26px 20px 22px;overflow-y:auto;z-index:70;
  transition:transform 280ms ease-out;
}
.sidebar-head{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:11px;
  background:var(--c-primary-soft);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:16px;font-weight:800;letter-spacing:-.01em}
.brand-text em{font-size:12px;font-style:normal;color:var(--c-ink-2);letter-spacing:.02em}
.drawer-close{display:none;width:44px;height:44px;border-radius:11px;align-items:center;justify-content:center;color:var(--c-ink-2)}
.drawer-close:hover{background:var(--c-primary-soft);color:var(--c-primary)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-size:15px;font-weight:600;
  padding:11px 20px;line-height:1.2;white-space:nowrap;
  transition:transform 220ms ease-out,background-color 220ms ease-out,border-color 220ms ease-out,color 220ms ease-out,box-shadow 220ms ease-out;
}
.btn:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--c-primary-dark);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--c-accent);border:1.5px solid var(--c-accent)}
.btn-ghost:hover{background:var(--c-accent-soft);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-white{background:#fff;color:var(--c-primary-dark)}
.btn-white:hover{background:var(--c-primary-soft);transform:translateY(-1px)}
.btn-outline-light{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.55)}
.btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-1px)}
.btn-block{width:100%}
.btn-sm{padding:8px 14px;font-size:13px}

.side-nav{display:flex;flex-direction:column;gap:2px}
.side-nav-title{font-size:12px;letter-spacing:.12em;color:var(--c-ink-2);margin:0 0 8px 12px}
.side-link{
  position:relative;display:block;padding:11px 14px 11px 16px;border-radius:10px;
  font-size:15px;color:var(--c-ink);font-weight:500;
}
.side-link:hover{background:#F7F3EE;transform:translateX(2px)}
.side-link:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.side-link.is-active{background:var(--c-primary-soft);color:var(--c-primary);font-weight:700}
.side-link.is-active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:3px;background:var(--c-primary);
}
.sidebar-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--c-line);font-size:13px;color:var(--c-ink-2);line-height:1.9}
.side-foot-label{font-size:12px;letter-spacing:.1em;color:var(--c-ink-2);margin-bottom:4px}
.side-copy{margin-top:10px;font-size:12px;color:#8B9098}

/* ---------- 顶部移动导航 ---------- */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;z-index:80;
  background:rgba(255,255,255,.96);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);
  align-items:center;justify-content:space-between;padding:0 14px;
}
.hamburger{width:44px;height:44px;border-radius:11px;display:flex;align-items:center;justify-content:center;color:var(--c-ink)}
.hamburger:hover{background:var(--c-primary-soft);color:var(--c-primary)}
.topbar-brand{font-size:16px;font-weight:800;letter-spacing:-.01em}
.topbar-cta{
  width:40px;height:40px;border-radius:11px;background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
}
.topbar-cta:hover{background:var(--c-primary-dark)}
.overlay{
  position:fixed;inset:0;background:rgba(0,0,0,.6);opacity:0;visibility:hidden;
  transition:opacity 260ms ease-out,visibility 260ms ease-out;z-index:65;
}
.overlay.is-open{opacity:1;visibility:visible}

/* ---------- 面包屑 / Hero ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--c-ink-2);padding-top:30px}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:#C6C1B8}
.breadcrumb .current{color:var(--c-ink);font-weight:600}

.page-hero{background:linear-gradient(180deg,#FFFDFA 0%,var(--c-bg) 100%);border-bottom:1px solid var(--c-line);padding-bottom:44px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:44px;align-items:center;padding-top:26px}
.hero-title{font-size:clamp(28px,3.6vw,44px);line-height:1.25;font-weight:800;letter-spacing:-.01em;margin:14px 0 14px;max-width:16em}
.hero-lead{font-size:17px;color:var(--c-ink-2);max-width:34em;line-height:1.8}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-figure{border-radius:20px;overflow:hidden;box-shadow:var(--sh-2)}
.hero-figure img{width:100%;aspect-ratio:16/11;object-fit:cover}

.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;
  font-size:13px;font-weight:600;line-height:1;
}
.badge-accent{background:var(--c-accent-soft);color:var(--c-accent)}
.badge-primary{background:var(--c-primary-soft);color:var(--c-primary)}
.badge-dark{background:rgba(255,255,255,.12);color:#fff}

/* ---------- 板块 ---------- */
.section{padding-top:var(--sec-gap);padding-bottom:0}
.section:last-of-type{padding-bottom:var(--sec-gap)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:34px}
.section-title{
  position:relative;font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.35;
  padding-left:16px;
}
.section-title::before{content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:3px;background:var(--c-primary)}
.section-sub{font-size:15px;color:var(--c-ink-2);margin-top:8px;padding-left:16px}

/* ---------- 指南双栏 ---------- */
.guide-layout{display:grid;grid-template-columns:264px minmax(0,1fr);gap:48px;align-items:start}
.toc{position:sticky;top:32px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:20px 18px;box-shadow:var(--sh-1)}
.toc-title{font-size:13px;letter-spacing:.1em;color:var(--c-ink-2);margin-bottom:12px}
.toc-link{display:block;padding:9px 12px;border-radius:9px;font-size:14.5px;color:var(--c-ink-2);border-left:3px solid transparent}
.toc-link:hover{background:#F7F3EE;color:var(--c-ink)}
.toc-link.is-active{background:var(--c-primary-soft);color:var(--c-primary);font-weight:700;border-left-color:var(--c-primary)}
.toc-tip{margin-top:16px;padding-top:14px;border-top:1px dashed var(--c-line);font-size:13px;color:var(--c-ink-2);line-height:1.8}

.guide-body{max-width:760px}
.guide-block{margin-bottom:56px;scroll-margin-top:32px}
.guide-block:last-child{margin-bottom:0}
.block-title{position:relative;font-size:clamp(20px,2.1vw,26px);font-weight:700;line-height:1.4;padding-left:16px;margin-bottom:18px}
.block-title::before{content:"";position:absolute;left:0;top:.24em;bottom:.24em;width:4px;border-radius:3px;background:var(--c-primary)}
.guide-body p{font-size:16px;line-height:1.85;color:#2C3037;margin-bottom:1.15em}
.guide-body p:last-child{margin-bottom:0}

.dot-list{margin:18px 0 0;border-top:1px solid var(--c-line)}
.dot-list li{position:relative;padding:16px 0 16px 20px;border-bottom:1px solid var(--c-line);font-size:15.5px;color:#2C3037}
.dot-list li:last-child{border-bottom:none}
.dot-list li::before{content:"";position:absolute;left:0;top:25px;width:6px;height:6px;border-radius:2px;background:var(--c-primary)}

.step-list{display:flex;flex-direction:column;gap:14px;margin-top:22px;counter-reset:step}
.step-card{
  display:flex;gap:16px;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:20px 22px;box-shadow:var(--sh-1);
  transition:transform 240ms ease-out,box-shadow 240ms ease-out,border-color 240ms ease-out;
}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(242,84,45,.3)}
.step-num{
  flex:0 0 34px;width:34px;height:34px;border-radius:9px;background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:800;
  font-variant-numeric:tabular-nums;
}
.step-card h3{font-size:17.5px;font-weight:700;line-height:1.5;margin-bottom:6px}
.step-card p{font-size:15px;color:var(--c-ink-2);line-height:1.8;margin:0}

/* ---------- 对比卡 ---------- */
.compare-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin-top:26px}
.compare-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px 20px;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform 240ms ease-out,box-shadow 240ms ease-out,border-color 240ms ease-out;
}
.compare-card:hover{transform:translateY(-3px);box-shadow:var(--sh-3);border-color:rgba(242,84,45,.3)}
.compare-thumb{border-radius:12px;overflow:hidden;margin-bottom:16px}
.compare-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform 320ms ease-out}
.compare-card:hover .compare-thumb img{transform:scale(1.04)}
.compare-card h3{font-size:18px;font-weight:700;line-height:1.5;margin:10px 0 10px}
.mini-list li{position:relative;padding-left:16px;font-size:14.5px;color:var(--c-ink-2);line-height:1.9}
.mini-list li::before{content:"";position:absolute;left:0;top:12px;width:5px;height:5px;border-radius:50%;background:var(--c-accent)}

/* ---------- 提示列表 ---------- */
.note-list{border-top:1px solid var(--c-line)}
.note-list li{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--c-line)}
.note-list li:last-child{border-bottom:none}
.note-icon{
  flex:0 0 36px;width:36px;height:36px;border-radius:10px;background:var(--c-accent-soft);color:var(--c-accent);
  display:flex;align-items:center;justify-content:center;
}
.note-list strong{display:block;font-size:15.5px;font-weight:700;line-height:1.6}
.note-list span{font-size:14.5px;color:var(--c-ink-2);line-height:1.8}

/* ---------- FAQ ---------- */
.faq-list{margin-top:26px;display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;transition:border-color 240ms ease-out,box-shadow 240ms ease-out;
}
.faq-item[open]{border-color:rgba(242,84,45,.35);box-shadow:var(--sh-2)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:17px;font-weight:600;line-height:1.5;
  transition:background-color 240ms ease-out;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:#FBF6F1}
.faq-item[open] summary{background:var(--c-primary-soft);color:var(--c-primary-dark)}
.faq-item summary:focus-visible{outline:2px solid var(--c-primary);outline-offset:-2px}
.faq-icon{flex:0 0 22px;color:var(--c-primary)}
.faq-icon .v{transition:opacity 200ms ease-out}
.faq-item[open] .faq-icon .v{opacity:0}
.faq-body{padding:6px 22px 20px;font-size:15px;line-height:1.85;color:var(--c-ink-2)}
.faq-body p{margin:0}

/* ---------- 相关分类四宫格 ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.entry-card{
  display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform 240ms ease-out,box-shadow 240ms ease-out,border-color 240ms ease-out;
}
.entry-card:hover{transform:translateY(-3px);box-shadow:var(--sh-3);border-color:rgba(242,84,45,.3)}
.entry-card img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform 320ms ease-out}
.entry-card:hover img{transform:scale(1.04)}
.entry-body{padding:16px 18px 20px}
.entry-body h3{font-size:17px;font-weight:700;line-height:1.5;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.entry-body p{font-size:14px;color:var(--c-ink-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.entry-card.is-current{border-color:var(--c-primary)}
.entry-card.is-current .entry-body h3{color:var(--c-primary-dark)}

/* ---------- CTA 条 ---------- */
.cta-band{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
  background:var(--c-primary);border-radius:20px;padding:36px 40px;color:#fff;
  box-shadow:0 14px 32px rgba(242,84,45,.22);
}
.cta-band h2{font-size:clamp(20px,2.2vw,26px);font-weight:800;line-height:1.4;max-width:22em}
.cta-band p{font-size:15px;color:rgba(255,255,255,.86);margin-top:10px;max-width:34em;line-height:1.8}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 保障条（深色） ---------- */
.guard{background:var(--c-dark);color:#fff;margin-top:var(--sec-gap);padding:40px 0}
.guard-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:26px}
.guard-item{display:flex;gap:14px;align-items:flex-start}
.guard-icon{
  flex:0 0 40px;width:40px;height:40px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(242,84,45,.16);color:#FF8A66;
}
.guard-item strong{display:block;font-size:15.5px;font-weight:700;margin-bottom:4px}
.guard-item span{font-size:13.5px;color:rgba(255,255,255,.62);line-height:1.7}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:#fff;padding:56px 0 28px;margin-top:var(--sec-gap)}
.f-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.f-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.f-brand .brand-mark{background:rgba(242,84,45,.18);color:#FF8A66}
.f-brand strong{font-size:16px;font-weight:800}
.f-intro{font-size:13.5px;color:rgba(255,255,255,.62);line-height:1.85;max-width:30em}
.f-title{font-size:13px;letter-spacing:.1em;color:rgba(255,255,255,.5);margin-bottom:14px}
.f-link{display:block;font-size:14px;color:rgba(255,255,255,.62);padding:5px 0;transition:color 200ms ease-out,transform 200ms ease-out}
.f-link:hover{color:var(--c-primary);transform:translateX(2px)}
.f-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  :root{--sidebar-w:216px}
  .container{padding:0 32px}
  .guide-layout{grid-template-columns:230px minmax(0,1fr);gap:36px}
  .hero-grid{grid-template-columns:minmax(0,1fr) 330px;gap:34px}
}
@media (max-width:1023px){
  .content-wrap{margin-left:0;padding-top:56px}
  .topbar{display:flex}
  .sidebar{width:280px;transform:translateX(-100%);box-shadow:var(--sh-3);padding-top:18px}
  .sidebar.is-open{transform:translateX(0)}
  .drawer-close{display:flex}
  .toc{position:sticky;top:70px}
  .guide-layout{grid-template-columns:1fr;gap:32px}
  .guide-body{max-width:100%}
  .compare-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .entry-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .guard-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .f-grid{grid-template-columns:1fr 1fr;gap:30px}
  :root{--sec-gap:72px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  :root{--sec-gap:56px}
  .hero-grid{grid-template-columns:1fr;gap:26px}
  .hero-figure{order:-1}
  .hero-figure img{aspect-ratio:16/9}
  .breadcrumb{padding-top:22px}
  .compare-grid{grid-template-columns:1fr}
  .entry-grid{grid-template-columns:1fr}
  .cta-band{padding:28px 24px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .f-grid{grid-template-columns:1fr}
  .f-bottom{flex-direction:column;gap:6px}
  .guard{padding:32px 0}
  .faq-item summary{font-size:16px;padding:16px 18px}
}
@media (max-width:479px){
  .container{padding:0 16px}
  .hero-actions .btn{width:100%}
  .guard-grid{grid-template-columns:1fr}
  .step-card{padding:18px 16px;gap:12px}
  .step-num{flex:0 0 30px;width:30px;height:30px;font-size:15px}
}

/* roulang page: category3 */
:root{
  --c-primary:#F2542D;
  --c-primary-dark:#D63F1B;
  --c-primary-soft:#FDEDE8;
  --c-accent:#1F6F6B;
  --c-accent-soft:#E4F1EF;
  --c-gold:#F2B01E;
  --c-bg:#FBF8F4;
  --c-surface:#FFFFFF;
  --c-ink:#191B1F;
  --c-ink-2:#5B6068;
  --c-line:#E8E2D9;
  --c-dark:#14161A;
  --r-card:16px;
  --r-btn:12px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(20,22,26,.04);
  --sh-2:0 8px 24px rgba(20,22,26,.06);
  --sh-3:0 14px 32px rgba(20,22,26,.10);
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,p{margin:0}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
button,input,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 48px}
@media (max-width:1279px){.container{padding:0 32px}}
@media (max-width:767px){.container{padding:0 20px}}
@media (max-width:480px){.container{padding:0 16px}}

/* ============ 布局骨架 ============ */
.layout{display:flex;min-height:100vh;align-items:flex-start}
.main-wrap{flex:1 1 auto;min-width:0;display:flex;flex-direction:column}

/* 左侧竖向导航 */
.sidebar{
  width:248px;flex:0 0 248px;
  background:var(--c-surface);
  border-right:1px solid var(--c-line);
  position:sticky;top:0;height:100vh;
  display:flex;flex-direction:column;
  padding:22px 16px 18px;
  overflow-y:auto;z-index:80;
}
@media (max-width:1279px) and (min-width:1024px){
  .sidebar{width:216px;flex-basis:216px}
}
.sb-brand{display:flex;align-items:center;gap:10px;padding:4px 8px 18px}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  background:var(--c-primary);color:#fff;
  display:grid;place-items:center;
  box-shadow:0 6px 16px rgba(242,84,45,.28);
}
.sb-brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.sb-brand-text strong{font-size:15px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.sb-brand-text em{font-style:normal;font-size:12px;color:var(--c-ink-2);white-space:nowrap}
.sb-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;
  width:100%;height:44px;border-radius:var(--r-btn);
  background:var(--c-primary);color:#fff;
  font-size:15px;font-weight:600;
  transition:background .24s ease-out,transform .24s ease-out,box-shadow .24s ease-out;
  box-shadow:0 6px 18px rgba(242,84,45,.24);
}
.sb-cta:hover{background:var(--c-primary-dark);transform:translateY(-1px);box-shadow:0 12px 26px rgba(242,84,45,.3)}
.sb-cta:active{transform:translateY(0)}
.sb-nav{margin-top:22px;display:flex;flex-direction:column;gap:4px}
.sb-nav-title{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--c-ink-2);padding:0 12px 8px}
.sb-link{
  position:relative;display:flex;align-items:center;gap:10px;
  height:42px;padding:0 12px;border-radius:10px;
  font-size:15px;color:var(--c-ink-2);
  transition:background .2s ease-out,color .2s ease-out,transform .2s ease-out;
}
.sb-link svg{flex:0 0 18px;opacity:.7}
.sb-link:hover{background:#F5F1EA;color:var(--c-ink);transform:translateX(2px)}
.sb-link.is-active{background:var(--c-primary-soft);color:var(--c-primary-dark);font-weight:600}
.sb-link.is-active svg{opacity:1}
.sb-link.is-active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:20px;border-radius:2px;background:var(--c-primary);
}
.sb-foot{margin-top:auto;padding:20px 12px 4px;border-top:1px solid var(--c-line)}
.sb-foot-title{font-size:13px;font-weight:700;color:var(--c-ink);margin-bottom:8px}
.sb-foot-text{font-size:13px;color:var(--c-ink-2);line-height:1.75}
.sb-foot a.sb-foot-text{display:block;transition:color .2s ease-out}
.sb-foot a.sb-foot-text:hover{color:var(--c-primary)}
.sb-copy{font-size:12px;color:#9AA0A6;margin-top:12px}

/* 移动端顶栏 */
.topbar{display:none}
.hamburger{
  width:44px;height:44px;flex:0 0 44px;border-radius:10px;
  display:grid;place-items:center;color:var(--c-ink);
  transition:background .2s ease-out;
}
.hamburger:hover{background:#F1ECE4}
.topbar-brand{
  flex:1 1 auto;text-align:center;font-size:16px;font-weight:800;
  letter-spacing:-.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.topbar-cta{
  width:40px;height:40px;flex:0 0 40px;border-radius:50%;
  background:var(--c-primary);color:#fff;display:grid;place-items:center;
  transition:background .2s ease-out,transform .2s ease-out;
}
.topbar-cta:hover{background:var(--c-primary-dark);transform:translateY(-1px)}

.overlay{
  position:fixed;inset:0;background:rgba(20,22,26,.6);
  opacity:0;visibility:hidden;transition:opacity .28s ease-out,visibility .28s ease-out;
  z-index:70;border:0;
}
.overlay.is-show{opacity:1;visibility:visible}
@media (min-width:1024px){.overlay{display:none}}

@media (max-width:1023px){
  .sidebar{
    position:fixed;left:0;top:0;height:100vh;width:280px;flex-basis:280px;
    transform:translateX(-102%);
    transition:transform .3s cubic-bezier(.2,.7,.3,1);
    box-shadow:0 24px 60px rgba(20,22,26,.22);
  }
  .sidebar.is-open{transform:translateX(0)}
  .topbar{
    display:flex;align-items:center;gap:10px;
    position:sticky;top:0;z-index:60;height:56px;padding:0 12px;
    background:rgba(251,248,244,.94);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--c-line);
  }
}

/* ============ 通用组件 ============ */
.section{padding:var(--sec) 0}
@media (max-width:1023px){.section{padding:72px 0}}
@media (max-width:767px){.section{padding:56px 0}}
.sec-head{margin-bottom:36px;max-width:760px}
.h2-block{
  display:flex;align-items:center;gap:12px;
  font-size:28px;font-weight:700;line-height:1.35;letter-spacing:-.01em;
}
@media (max-width:767px){.h2-block{font-size:23px}}
.h2-block::before{
  content:"";flex:0 0 4px;width:4px;height:22px;border-radius:2px;background:var(--c-primary);
}
.h3-card{font-size:19px;font-weight:600;line-height:1.5}
.muted{color:var(--c-ink-2);font-size:15px;line-height:1.85}
.sec-sub{margin-top:12px;color:var(--c-ink-2);font-size:15.5px;line-height:1.85;max-width:720px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  border:1.5px solid transparent;
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:background .24s ease-out,color .24s ease-out,transform .24s ease-out,
             box-shadow .24s ease-out,border-color .24s ease-out;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 6px 18px rgba(242,84,45,.24)}
.btn-primary:hover{background:var(--c-primary-dark);transform:translateY(-1px);box-shadow:0 12px 26px rgba(242,84,45,.3)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(242,84,45,.22)}
.btn-ghost{background:transparent;border-color:var(--c-accent);color:var(--c-accent)}
.btn-ghost:hover{background:var(--c-accent-soft);transform:translateY(-1px)}
.btn-white{background:#fff;color:var(--c-primary-dark)}
.btn-white:hover{background:#FFF3EF;transform:translateY(-1px);box-shadow:0 10px 24px rgba(0,0,0,.16)}
.btn-outline{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-outline:hover{background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-1px)}
.btn-block{width:100%}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--c-primary);font-size:15px;font-weight:600;
  border-bottom:1px solid transparent;transition:border-color .24s ease-out,color .24s ease-out;
}
.btn-text:hover{border-bottom-color:var(--c-primary);color:var(--c-primary-dark)}

.pill{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:999px;
  font-size:13px;font-weight:600;line-height:1;white-space:nowrap;
}
.pill-accent{background:var(--c-accent-soft);color:var(--c-accent)}
.pill-primary{background:var(--c-primary-soft);color:var(--c-primary-dark)}

.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:14px;color:var(--c-ink-2);margin-bottom:22px;
}
.breadcrumb a{transition:color .2s ease-out}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:#C6C0B6}
.breadcrumb .cur{color:var(--c-ink)}

/* ============ Hero ============ */
.faq-hero{
  position:relative;overflow:hidden;
  padding:36px 0 56px;
  background:linear-gradient(180deg,#FFF7F2 0%,var(--c-bg) 100%);
  border-bottom:1px solid var(--c-line);
}
.faq-hero::after{
  content:"";position:absolute;right:-120px;top:-130px;
  width:330px;height:330px;border-radius:50%;
  border:38px solid rgba(242,84,45,.06);pointer-events:none;
}
.faq-hero::before{
  content:"";position:absolute;left:-90px;bottom:-110px;
  width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(31,111,107,.06),transparent 70%);
  pointer-events:none;
}
.faq-hero .container{position:relative;z-index:2}
.hero-inner{max-width:820px}
.hero-tag{margin-bottom:16px}
.hero-h1{
  font-size:clamp(28px,3.6vw,44px);
  line-height:1.25;font-weight:800;letter-spacing:-.01em;
  margin:0 0 16px;
}
.hero-lead{
  font-size:17px;line-height:1.85;color:var(--c-ink-2);max-width:680px;
}
.search-bar{
  display:flex;align-items:center;gap:10px;
  max-width:660px;margin-top:28px;
  background:#fff;border:1px solid var(--c-line);
  border-radius:16px;padding:8px;box-shadow:var(--sh-1);
  transition:border-color .24s ease-out,box-shadow .24s ease-out;
}
.search-bar:focus-within{
  border-color:var(--c-primary);
  box-shadow:0 0 0 4px rgba(242,84,45,.12);
}
.search-bar .search-ico{flex:0 0 20px;margin-left:10px;color:#B6B0A6}
.search-bar input{
  flex:1 1 auto;min-width:0;height:46px;
  border:0;background:transparent;padding:0 6px;
  font-size:15.5px;
}
.search-bar input::placeholder{color:#A8A29A}
.search-bar input:focus{outline:none}
.quick-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.tag-chip{
  display:inline-flex;align-items:center;
  height:32px;padding:0 14px;border-radius:999px;
  background:#fff;border:1px solid var(--c-line);
  font-size:13.5px;color:var(--c-ink-2);
  transition:border-color .2s ease-out,color .2s ease-out,transform .2s ease-out,background .2s ease-out;
}
.tag-chip:hover{border-color:rgba(242,84,45,.5);color:var(--c-primary-dark);background:var(--c-primary-soft);transform:translateY(-1px)}

/* ============ 排查条 ============ */
.check-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.check-card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:22px;
  box-shadow:var(--sh-1);
  transition:transform .24s ease-out,box-shadow .24s ease-out,border-color .24s ease-out;
}
.check-card:hover{transform:translateY(-3px);box-shadow:var(--sh-3);border-color:rgba(242,84,45,.3)}
.check-ico{
  width:42px;height:42px;border-radius:12px;
  background:var(--c-accent-soft);color:var(--c-accent);
  display:grid;place-items:center;margin-bottom:14px;
}
.check-card strong{display:block;font-size:16.5px;font-weight:700;margin-bottom:6px}
.check-card p{font-size:14px;line-height:1.75;color:var(--c-ink-2)}
@media (max-width:1023px){.check-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.check-grid{grid-template-columns:1fr}}

/* ============ FAQ 手风琴 ============ */
.faq-group + .faq-group{margin-top:var(--sec)}
@media (max-width:1023px){.faq-group + .faq-group{margin-top:72px}}
@media (max-width:767px){.faq-group + .faq-group{margin-top:56px}}
.faq-list{display:flex;flex-direction:column;gap:12px;margin-top:28px}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;
  transition:box-shadow .24s ease-out,border-color .24s ease-out;
}
.faq-item:hover{border-color:rgba(242,84,45,.3);box-shadow:var(--sh-2)}
.faq-item.is-open{border-color:rgba(242,84,45,.35);box-shadow:var(--sh-2)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  text-align:left;padding:20px 22px;
  font-size:17px;font-weight:600;line-height:1.6;
  transition:background .24s ease-out,color .24s ease-out;
}
.faq-q:hover{background:#FAF6F1}
.faq-item.is-open .faq-q{background:var(--c-primary-soft);color:var(--c-primary-dark)}
.faq-icon{
  flex:0 0 28px;width:28px;height:28px;border-radius:50%;
  border:1.5px solid var(--c-line);display:grid;place-items:center;
  transition:background .24s ease-out,border-color .24s ease-out;
}
.faq-icon::before{content:"+";font-size:18px;line-height:1;font-weight:600;color:var(--c-primary)}
.faq-item.is-open .faq-icon{background:var(--c-primary);border-color:var(--c-primary)}
.faq-item.is-open .faq-icon::before{content:"−";color:#fff}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s ease-out}
.faq-item.is-open .faq-a{grid-template-rows:1fr}
.faq-a-clip{overflow:hidden}
.faq-a-inner{padding:4px 22px 22px;font-size:15px;line-height:1.85;color:var(--c-ink-2);max-width:820px}
.faq-a-inner p + p{margin-top:10px}
.faq-a-inner strong{color:var(--c-ink);font-weight:600}
@media (max-width:767px){
  .faq-q{font-size:16px;padding:18px 16px}
  .faq-a-inner{padding:2px 16px 18px}
}

/* ============ 中间 CTA ============ */
.cta-box{
  background:var(--c-primary);border-radius:20px;
  padding:40px 44px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:0 18px 40px rgba(242,84,45,.24);
  position:relative;overflow:hidden;
}
.cta-box::after{
  content:"";position:absolute;right:-70px;bottom:-90px;
  width:220px;height:220px;border-radius:50%;border:26px solid rgba(255,255,255,.10);
}
.cta-box h2{font-size:26px;font-weight:800;line-height:1.35;margin-bottom:8px;position:relative;z-index:2}
.cta-box p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.86);position:relative;z-index:2}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:2}
@media (max-width:900px){
  .cta-box{flex-direction:column;align-items:flex-start;padding:32px 26px;gap:22px}
}

/* ============ 联系区 ============ */
.contact-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:32px;align-items:start}
.contact-card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:32px;box-shadow:var(--sh-2);
}
.contact-card .muted{margin-top:12px;margin-bottom:26px}
.contact-form{display:flex;flex-direction:column;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field span{font-size:14px;font-weight:600;color:var(--c-ink)}
.field input,.field textarea{
  width:100%;background:#fff;
  border:1px solid var(--c-line);border-radius:var(--r-input);
  padding:12px 14px;font-size:15px;line-height:1.7;
  transition:border-color .22s ease-out,box-shadow .22s ease-out;
  resize:vertical;
}
.field textarea{min-height:120px}
.field input::placeholder,.field textarea::placeholder{color:#A8A29A}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);
  box-shadow:0 0 0 4px rgba(242,84,45,.12);
}
.side-col{display:flex;flex-direction:column;gap:24px}
.side-card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);
}
.side-thumb{
  border-radius:12px;overflow:hidden;aspect-ratio:16/10;margin-bottom:18px;
  background:var(--c-accent-soft);
}
.side-thumb img{width:100%;height:100%;object-fit:cover}
.side-title{font-size:16px;font-weight:700;margin-bottom:10px}
.side-desc{font-size:14px;line-height:1.78;color:var(--c-ink-2)}
.side-link{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 0;border-bottom:1px solid var(--c-line);
  font-size:15px;color:var(--c-ink);
  transition:color .2s ease-out,padding-left .2s ease-out;
}
.side-link:last-child{border-bottom:0;padding-bottom:0}
.side-link:hover{color:var(--c-primary);padding-left:4px}
.side-link svg{flex:0 0 18px;color:var(--c-primary)}
@media (max-width:1023px){
  .contact-grid{grid-template-columns:1fr;gap:24px}
  .contact-card{padding:26px}
}

/* ============ 保障条 ============ */
.assure{background:var(--c-dark);padding:52px 0}
.assure-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.assure-item{display:flex;flex-direction:column;gap:10px}
.assure-ico{
  width:40px;height:40px;border-radius:12px;
  border:1.5px solid rgba(242,84,45,.65);color:var(--c-primary);
  display:grid;place-items:center;
}
.assure-item strong{color:#fff;font-size:16px;font-weight:700}
.assure-item p{color:rgba(255,255,255,.62);font-size:14px;line-height:1.7}
@media (max-width:1023px){
  .assure-grid{grid-template-columns:repeat(2,1fr);gap:26px}
}
@media (max-width:520px){
  .assure{padding:44px 0}
  .assure-grid{grid-template-columns:1fr;gap:22px}
}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.72);padding:64px 0 28px;border-top:1px solid rgba(255,255,255,.06)}
.f-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px}
.f-brand{display:flex;align-items:center;gap:10px;color:#fff;margin-bottom:14px}
.f-brand .brand-mark{box-shadow:none}
.f-brand strong{font-size:16px;font-weight:800;letter-spacing:-.01em}
.f-intro{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:330px}
.f-title{font-size:14px;font-weight:700;color:#fff;margin:0 0 14px}
.f-link{display:block;font-size:14px;color:rgba(255,255,255,.62);padding:5px 0;transition:color .22s ease-out}
.f-link:hover{color:var(--c-primary)}
.f-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:44px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:rgba(255,255,255,.5);
}
@media (max-width:1023px){
  .f-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:520px){
  .site-footer{padding:48px 0 24px}
  .f-grid{grid-template-columns:1fr;gap:26px}
}

@media (max-width:480px){
  .btn{width:100%}
  .cta-actions{width:100%}
  .search-bar{flex-direction:column;align-items:stretch;padding:12px}
  .search-bar .search-ico{display:none}
  .search-bar input{height:44px;padding:0 8px}
  .hero-lead{font-size:16px}
}