/* roulang page: index */
:root{
  --brand:#F25C2A;
  --brand-dark:#D94A1E;
  --brand-soft:#FDEBE3;
  --teal:#00A896;
  --teal-soft:#E3F6F3;
  --ink:#141414;
  --ink-2:#232220;
  --bg:#FAF7F2;
  --card:#FFFFFF;
  --line:#E8E2D9;
  --text:#1C1B19;
  --text-2:#6B665F;
  --text-3:#9A948C;
  --success:#12B76A;
  --warn:#F79009;
  --danger:#E5484D;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --shadow:0 1px 2px rgba(20,20,20,.04), 0 12px 32px rgba(20,20,20,.06);
  --shadow-hover:0 16px 40px rgba(20,20,20,.10);
  --ease:cubic-bezier(.2,.7,.2,1);
  --container:1200px;
}
*,*::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:"PingFang SC","Microsoft YaHei","Noto Sans SC","HarmonyOS Sans",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--text);text-decoration:none;transition:color .15s var(--ease);}
a:hover{color:var(--brand);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:0;font-weight:800;line-height:1.3;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
input,button,textarea,select{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
@media(min-width:1024px){.container{padding:0 24px;}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  padding:12px 0;
  background:rgba(250,247,242,.86);
  backdrop-filter:blur(10px);
  transition:padding .22s var(--ease),background .22s var(--ease);
}
.site-header.is-scrolled{padding:6px 0;background:rgba(250,247,242,.96);}
.nav-panel{
  display:flex;align-items:center;gap:14px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:10px 12px;
  box-shadow:var(--shadow);
  transition:box-shadow .22s var(--ease);
}
.site-header.is-scrolled .nav-panel{box-shadow:var(--shadow-hover);}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:var(--ink);
  display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);
  gap:3px;padding:7px;
}
.brand-mark i{display:block;border-radius:1px;background:#5D5A55;}
.brand-mark i:nth-child(1),
.brand-mark i:nth-child(5),
.brand-mark i:nth-child(9){background:var(--brand);}
.brand-name{font-size:17px;font-weight:900;letter-spacing:0;white-space:nowrap;}
.nav-links{display:none;align-items:center;gap:6px;margin-left:auto;}
.nav-item{
  display:inline-flex;align-items:center;gap:6px;
  height:42px;padding:0 14px;border-radius:var(--r-sm);
  font-size:14px;font-weight:600;color:var(--text-2);
  border:1px solid transparent;white-space:nowrap;
  transition:all .18s var(--ease);
}
.nav-item:hover{background:var(--brand-soft);color:var(--brand);border-color:#F7D3C4;}
.nav-item.active{background:var(--brand);color:#fff;border-color:var(--brand);}
.nav-tools{display:none;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  margin-left:auto;width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:var(--card);
  display:flex;flex-direction:column;justify-content:center;align-items:center;gap:4px;cursor:pointer;
  transition:border-color .18s var(--ease),background .18s var(--ease);
}
.nav-toggle:hover{border-color:var(--brand);}
.nav-toggle span{width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .22s var(--ease),opacity .22s var(--ease);}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.mobile-drawer{
  display:none;margin-top:10px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-lg);
  padding:14px;box-shadow:var(--shadow);
}
.mobile-drawer.is-open{display:block;}
.drawer-brand{display:flex;align-items:center;gap:10px;padding:4px 4px 12px;border-bottom:1px solid var(--line);margin-bottom:12px;}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.drawer-grid a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:46px;padding:0 12px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#FEFCF9;
  font-size:14px;font-weight:600;color:var(--text-2);
}
.drawer-grid a.active{background:var(--brand);border-color:var(--brand);color:#fff;}
.drawer-cta{margin-top:12px;}
.drawer-cta .btn{width:100%;}
@media(min-width:1024px){
  .nav-links{display:flex;}
  .nav-tools{display:flex;}
  .nav-toggle{display:none;}
  .mobile-drawer.is-open{display:none;}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 20px;border-radius:var(--r-sm);
  font-size:15px;font-weight:700;cursor:pointer;border:1px solid transparent;
  transition:transform .15s var(--ease),background .15s var(--ease),color .15s var(--ease),box-shadow .15s var(--ease),border-color .15s var(--ease);
  text-align:center;
}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px;}
.btn-primary{background:linear-gradient(135deg,#F26B3A,#F25C2A 60%,#E44F20);color:#fff;box-shadow:0 8px 20px rgba(242,92,42,.24);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(242,92,42,.28);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{background:var(--card);color:var(--text);border-color:var(--line);}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand);border-color:#F5C9B6;transform:translateY(-1px);}
.btn-ghost:active{transform:scale(.98);}
.btn-line{background:transparent;color:var(--brand);border-color:#F5C9B6;}
.btn-line:hover{background:var(--brand-soft);color:var(--brand-dark);}
.btn[disabled]{opacity:.5;pointer-events:none;}

/* ---------- 徽章/标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:12.5px;font-weight:700;line-height:1.6;
  background:var(--brand-soft);color:var(--brand-dark);
}
.badge-teal{background:var(--teal-soft);color:#04796B;}
.badge-line{background:#fff;color:var(--text-2);border:1px solid var(--line);}
.badge-success{background:#E6F7EF;color:#0B8A50;}
.badge-warn{background:#FEF3E2;color:#B26805;}
.dot{width:6px;height:6px;border-radius:50%;background:currentColor;display:inline-block;}

/* ---------- 板块通用 ---------- */
.section{padding:56px 0;}
@media(min-width:768px){.section{padding:80px 0;}}
@media(min-width:1024px){.section{padding:104px 0;}}
.section-head{max-width:760px;margin-bottom:28px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:800;letter-spacing:.14em;
  color:var(--brand);text-transform:uppercase;margin-bottom:12px;
}
.section-title{font-size:clamp(24px,3.2vw,34px);font-weight:900;}
.section-desc{margin-top:12px;color:var(--text-2);font-size:15.5px;line-height:1.85;}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:56px 0 48px;}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  opacity:.30;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(250,247,242,.72),rgba(250,247,242,.94) 62%,var(--bg));
}
.hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;gap:30px;align-items:center;}
@media(min-width:1024px){.hero-grid{grid-template-columns:1.4fr 1fr;gap:48px;}}
.hero-brand{
  display:inline-flex;align-items:center;gap:10px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:6px 16px 6px 8px;font-size:13px;font-weight:700;color:var(--text-2);
  box-shadow:var(--shadow);
}
.hero-brand .brand-mark{width:26px;height:26px;border-radius:8px;padding:5px;gap:2px;}
.hero h1{
  margin-top:18px;
  font-size:clamp(30px,4.6vw,46px);
  font-weight:900;line-height:1.28;
  letter-spacing:0;
}
.hero h1 em{font-style:normal;color:var(--brand);}
.hero-sub{margin-top:16px;font-size:17px;color:var(--text-2);max-width:640px;line-height:1.85;}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-note{margin-top:14px;font-size:13px;color:var(--text-3);display:flex;align-items:center;gap:8px;}
@media(max-width:520px){
  .hero-actions .btn{width:100%;}
}

/* 下载卡 */
.download-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px;box-shadow:var(--shadow);
  transition:box-shadow .22s var(--ease),transform .22s var(--ease);
}
.download-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.dl-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px dashed var(--line);}
.dl-platforms{display:flex;gap:8px;}
.platform{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;color:var(--text-2);
  background:#FEFCF9;
}
.dl-list{margin:14px 0;display:grid;gap:10px;}
.dl-row{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:14px;}
.dl-row dt{color:var(--text-3);}
.dl-row dd{margin:0;font-weight:700;font-variant-numeric:tabular-nums;}
.dl-qr{
  display:flex;align-items:center;gap:16px;padding:14px;
  border:1px solid var(--line);border-radius:var(--r-md);background:#FEFCF9;
}
.qr{
  flex:0 0 auto;width:96px;height:96px;border-radius:12px;border:1px solid var(--line);
  background-color:#fff;
  background-image:radial-gradient(#141414 1.4px,transparent 1.6px);
  background-size:9px 9px;background-position:4px 4px;opacity:.9;
}
.qr-text{font-size:13px;color:var(--text-2);line-height:1.7;}
.dl-actions{display:grid;gap:10px;margin-top:14px;}
.dl-actions .btn{width:100%;}
.dl-check{margin-top:12px;font-size:12.5px;color:var(--text-3);line-height:1.7;}

/* ---------- 价值区 ---------- */
.value-grid{display:grid;gap:20px;}
@media(min-width:1024px){.value-grid{grid-template-columns:1.05fr .95fr;gap:40px;align-items:start;}}
.value-list{display:grid;gap:14px;}
.value-item{
  display:flex;gap:16px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:18px;box-shadow:var(--shadow);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.value-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#F5C9B6;}
.value-num{
  flex:0 0 auto;width:36px;height:36px;border-radius:10px;
  background:var(--ink);color:#fff;font-weight:800;font-size:14px;
  display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums;
}
.value-item h3{font-size:17px;font-weight:800;}
.value-item p{margin-top:6px;font-size:14px;color:var(--text-2);line-height:1.75;}
.value-visual{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);background:var(--card);
}
.value-visual img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3.4;}
.value-visual .cap{
  position:absolute;left:14px;right:14px;bottom:14px;
  background:rgba(20,20,20,.78);color:#fff;border-radius:var(--r-md);
  padding:12px 14px;font-size:13.5px;line-height:1.7;backdrop-filter:blur(4px);
}
.value-visual .cap strong{display:block;font-size:14.5px;margin-bottom:2px;}

/* ---------- 频道入口卡 ---------- */
.channel-grid{display:grid;gap:20px;}
@media(min-width:640px){.channel-grid{grid-template-columns:1fr 1fr;}}
@media(min-width:1024px){.channel-grid{grid-template-columns:repeat(4,1fr);}}
.channel-card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.channel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#F5C9B6;color:var(--text);}
.channel-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.channel-body{padding:16px;display:flex;flex-direction:column;gap:8px;flex:1;}
.channel-body h3{font-size:16.5px;font-weight:800;}
.channel-body p{font-size:13.5px;color:var(--text-2);line-height:1.7;flex:1;}
.channel-more{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:700;color:var(--brand);}
.channel-card:hover .channel-more svg{transform:translateX(3px);}
.channel-more svg{transition:transform .2s var(--ease);}

/* ---------- 截图轮播 ---------- */
.carousel{position:relative;}
.carousel-viewport{overflow:hidden;padding:4px 0 8px;}
.shot-track{
  display:flex;gap:20px;
  transition:transform .32s var(--ease);
  will-change:transform;
}
.shot-card{
  flex:0 0 100%;background:var(--card);border:1px solid var(--line);
  border-radius:18px;overflow:hidden;box-shadow:var(--shadow);
}
.shot-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.shot-card .shot-cap{padding:14px 16px;font-size:14px;color:var(--text-2);}
.shot-card .shot-cap strong{display:block;color:var(--text);font-size:15px;font-weight:800;margin-bottom:2px;}
@media(min-width:640px){.shot-card{flex:0 0 calc((100% - 20px)/2);}}
@media(min-width:1024px){.shot-card{flex:0 0 calc((100% - 40px)/3);}}
.carousel-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:18px;}
.dots{display:flex;gap:8px;}
.dots button{
  width:9px;height:9px;border-radius:50%;border:0;padding:0;cursor:pointer;
  background:#D9D2C7;transition:all .2s var(--ease);
}
.dots button.active{width:26px;border-radius:999px;background:var(--brand);}
.arrows{display:flex;gap:10px;}
.arrow-btn{
  width:44px;height:44px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:var(--card);cursor:pointer;display:flex;align-items:center;justify-content:center;
  font-size:16px;color:var(--text-2);
  transition:all .18s var(--ease);
}
.arrow-btn:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);}

/* ---------- 系统要求 ---------- */
.req-wrap{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--shadow);
}
.req-grid{display:grid;gap:0;}
@media(min-width:768px){.req-grid{grid-template-columns:1fr 1fr;gap:0 36px;}}
.req-row{
  display:flex;flex-direction:column;gap:4px;
  padding:16px 0;border-bottom:1px solid var(--line);
}
@media(min-width:768px){
  .req-row{flex-direction:row;align-items:baseline;justify-content:space-between;gap:20px;}
  .req-row dt{flex:0 0 108px;}
}
.req-row dt{font-size:14px;color:var(--text-3);font-weight:700;}
.req-row dd{margin:0;font-size:15px;font-weight:600;color:var(--text);line-height:1.7;text-align:left;}
@media(min-width:768px){.req-row dd{text-align:right;}}
.req-row:last-child{border-bottom:0;}
.req-foot{
  margin-top:16px;padding-top:16px;border-top:1px dashed var(--line);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
}
.req-foot p{font-size:13.5px;color:var(--text-2);}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;gap:20px;}
@media(min-width:640px){.news-grid{grid-template-columns:1fr 1fr;}}
@media(min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr);}}
.news-card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow);color:var(--text);
  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-hover);border-color:#F5C9B6;color:var(--text);}
.news-thumb{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--bg);}
.news-thumb-ph{
  width:100%;aspect-ratio:16/9;
  display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);
  gap:6px;padding:22px;background:#F4EFE7;
}
.news-thumb-ph i{background:#E2DACD;border-radius:3px;}
.news-thumb-ph i:nth-child(5){background:var(--brand);}
.news-body{padding:16px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--text-3);}
.news-body h3{
  font-size:16.5px;font-weight:800;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  font-size:13.5px;color:var(--text-2);line-height:1.7;flex:1;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{display:flex;align-items:center;justify-content:space-between;font-size:13px;font-weight:700;color:var(--brand);}
.news-card:hover .news-foot svg{transform:translateX(3px);}
.news-foot svg{transition:transform .2s var(--ease);}
.empty-state{
  grid-column:1 / -1;
  border:1px dashed var(--line);border-radius:var(--r-lg);
  background:#FEFCF9;padding:44px 24px;text-align:center;
}
.empty-grid{
  width:56px;height:56px;margin:0 auto 14px;
  display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);
  gap:4px;
}
.empty-grid i{border:1px solid #D9D2C7;border-radius:2px;}
.empty-state p{color:var(--text-2);font-size:14.5px;}
.empty-state .btn{margin-top:16px;}

/* ---------- 评价墙 ---------- */
.rate-scroller{
  display:flex;gap:18px;overflow-x:auto;padding:6px 4px 18px;
  scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
}
.rate-scroller::-webkit-scrollbar{height:6px;}
.rate-scroller::-webkit-scrollbar-thumb{background:#DED7CB;border-radius:99px;}
.rate-card{
  flex:0 0 86%;scroll-snap-align:start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:18px;box-shadow:var(--shadow);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.rate-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
@media(min-width:640px){.rate-card{flex:0 0 calc((100% - 18px)/2);}}
@media(min-width:1024px){.rate-card{flex:0 0 calc((100% - 36px)/3);}}
.rate-top{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.avatar{
  width:42px;height:42px;border-radius:50%;
  background:var(--ink);color:#fff;font-weight:800;font-size:15px;
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.avatar.t{background:var(--teal);}
.avatar.b{background:var(--brand);}
.rate-name{font-size:14.5px;font-weight:800;}
.rate-time{font-size:12.5px;color:var(--text-3);}
.stars{margin-left:auto;color:var(--warn);font-size:13px;letter-spacing:2px;}
.rate-card p{font-size:14px;color:var(--text-2);line-height:1.8;}

/* ---------- 下载 CTA 区 ---------- */
.dl-cta{
  background:var(--ink);color:#fff;border-radius:24px;padding:32px 22px;
  position:relative;overflow:hidden;
}
.dl-cta::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-3.png");
  background-size:cover;background-position:center;opacity:.18;
}
.dl-cta > *{position:relative;z-index:2;}
.dl-cta h2{color:#fff;font-size:clamp(22px,3vw,30px);font-weight:900;}
.dl-cta p{margin-top:12px;color:rgba(255,255,255,.74);font-size:15px;line-height:1.85;max-width:620px;}
.dl-cta-grid{display:grid;gap:24px;margin-top:26px;}
@media(min-width:1024px){.dl-cta-grid{grid-template-columns:1.3fr .7fr;align-items:center;}}
.dl-cta-buttons{display:flex;flex-wrap:wrap;gap:12px;}
.dl-cta-buttons .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.32);}
.dl-cta-buttons .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
.dl-cta-box{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-lg);padding:16px;display:flex;gap:16px;align-items:center;
}
.dl-cta-box .qr{background-color:#fff;border-color:rgba(255,255,255,.3);}
.dl-cta-box .qr-text{color:rgba(255,255,255,.72);}
@media(max-width:520px){
  .dl-cta-buttons .btn{width:100%;}
  .dl-cta-box{flex-direction:column;text-align:center;}
}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px;margin:0 auto;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow);overflow:hidden;
  transition:border-color .2s var(--ease);
}
.faq-item[open]{border-color:#F5C9B6;}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;
  padding:18px 20px;font-size:16px;font-weight:800;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";width:4px;height:22px;border-radius:99px;background:var(--line);
  flex:0 0 auto;transition:background .2s var(--ease);
}
.faq-item[open] summary::before{background:var(--brand);}
.faq-icon{
  margin-left:auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  font-size:14px;color:var(--text-2);flex:0 0 auto;
  transition:transform .22s var(--ease),background .22s var(--ease),color .22s var(--ease);
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--brand);border-color:var(--brand);color:#fff;}
.faq-body{padding:0 20px 20px 38px;font-size:14.5px;color:var(--text-2);line-height:1.85;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);margin-top:56px;padding:52px 0 24px;}
@media(min-width:1024px){.site-footer{margin-top:96px;padding:72px 0 28px;}}
.footer-grid{display:grid;gap:32px;}
@media(min-width:640px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}}
.site-footer .brand-name{color:#fff;}
.site-footer .brand-mark{background:#262523;}
.site-footer .brand-mark i{background:#57544F;}
.site-footer .brand-mark i:nth-child(1),
.site-footer .brand-mark i:nth-child(5),
.site-footer .brand-mark i:nth-child(9){background:var(--brand);}
.footer-about{margin-top:14px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:340px;}
.footer-col h4{color:#fff;font-size:14.5px;font-weight:800;margin-bottom:14px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px;}
.footer-col a:hover{color:var(--brand);}
.footer-cta p{font-size:13.5px;color:rgba(255,255,255,.62);line-height:1.8;margin-bottom:12px;}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.52);
}
.footer-bottom a{color:rgba(255,255,255,.72);}
.footer-bottom a:hover{color:var(--brand);}

/* 骨架与提示 */
.skeleton{background:linear-gradient(90deg,#F1ECE4 25%,#E7E0D6 37%,#F1ECE4 63%);background-size:400% 100%;animation:sk 1.4s ease infinite;border-radius:10px;}
@keyframes sk{0%{background-position:100% 50%;}100%{background-position:0 50%;}}
.notice-error{
  border:1px solid #F3C3C5;background:#FDF2F2;color:#B33338;
  border-radius:var(--r-md);padding:12px 14px;font-size:13.5px;
  display:flex;align-items:center;gap:10px;
}
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --brand:#F25C2A;
  --brand-dark:#D94A1E;
  --brand-soft:#FDEDE6;
  --accent:#00A896;
  --accent-soft:#E4F5F2;
  --ink:#141414;
  --bg:#FAF7F2;
  --card:#FFFFFF;
  --border:#E8E2D9;
  --text:#1C1B19;
  --muted:#6B665F;
  --weak:#9A948C;
  --ok:#12B76A;
  --warn:#F79009;
  --danger:#E5484D;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --shadow:0 1px 2px rgba(20,20,20,.04), 0 12px 32px rgba(20,20,20,.06);
  --shadow-hover:0 16px 40px rgba(20,20,20,.10);
  --ease:cubic-bezier(.2,.7,.2,1);
  --s1:8px; --s2:16px; --s3:24px; --s4:32px; --s5:48px;
  --sec-y:96px;
}
*,*::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:"PingFang SC","Microsoft YaHei","Noto Sans SC","HarmonyOS Sans","Helvetica Neue",sans-serif;
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--text);text-decoration:none;transition:color .15s var(--ease),background-color .15s var(--ease),border-color .15s var(--ease)}
a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:0;line-height:1.35;color:var(--text)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 24px}}
.section{padding:var(--sec-y) 0}
.section-head{max-width:720px;margin-bottom:var(--s4)}
.section-head h2{font-size:clamp(24px,3vw,36px);margin-bottom:12px}
.section-head p{color:var(--muted);font-size:16px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--brand);text-transform:uppercase;margin-bottom:12px}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--brand);border-radius:2px}

/* ---------- Header / Nav ---------- */
.site-header{position:sticky;top:0;z-index:60;padding:12px 0;background:linear-gradient(180deg,rgba(250,247,242,.96) 40%,rgba(250,247,242,0));transition:padding .22s var(--ease)}
.nav-card{
  display:flex;align-items:center;gap:20px;
  background:rgba(255,255,255,.94);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow);
  padding:10px 14px;
  backdrop-filter:saturate(140%) blur(10px);
  transition:box-shadow .22s var(--ease),padding .22s var(--ease);
}
.site-header.is-scrolled{padding:6px 0}
.site-header.is-scrolled .nav-card{box-shadow:0 10px 30px rgba(20,20,20,.12);padding:8px 14px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand:hover{text-decoration:none}
.brand-mark{display:grid;grid-template-columns:repeat(3,5px);grid-template-rows:repeat(3,5px);gap:3px;padding:6px;border-radius:10px;background:var(--ink)}
.brand-mark i{display:block;width:5px;height:5px;border-radius:1.5px;background:var(--bg)}
.brand-mark i:nth-child(5){background:var(--brand)}
.brand-name{font-size:17px;font-weight:900;color:var(--ink);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:6px;flex:1 1 auto;min-width:0}
.nav-item{
  display:inline-flex;align-items:center;height:40px;padding:0 14px;border-radius:10px;
  font-size:14px;font-weight:600;color:var(--muted);border:1px solid transparent;white-space:nowrap;
  transition:background-color .15s var(--ease),color .15s var(--ease),border-color .15s var(--ease),transform .15s var(--ease);
}
.nav-item:hover{background:var(--brand-soft);color:var(--brand);text-decoration:none}
.nav-item.active{background:var(--brand);color:#fff;border-color:var(--brand);box-shadow:0 6px 16px rgba(242,92,42,.28)}
.nav-item.active:hover{background:var(--brand-dark);color:#fff}
.nav-tools{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--border);background:#fff;border-radius:12px;cursor:pointer;padding:0;position:relative}
.nav-toggle span{display:block;position:absolute;left:12px;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:transform .3s var(--ease),opacity .2s var(--ease)}
.nav-toggle span:nth-child(1){top:15px}
.nav-toggle span:nth-child(2){top:21px}
.nav-toggle span:nth-child(3){top:27px}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-panel{display:none;margin-top:10px;background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--shadow);padding:14px}
.mobile-panel.open{display:block;animation:panelIn .32s var(--ease)}
@keyframes panelIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}
.mobile-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.mobile-link{display:flex;align-items:center;justify-content:space-between;min-height:48px;padding:0 14px;border:1px solid var(--border);border-radius:12px;font-size:14px;font-weight:600;color:var(--muted);background:#fff}
.mobile-link:hover{border-color:var(--brand);color:var(--brand);text-decoration:none;background:var(--brand-soft)}
.mobile-link.active{background:var(--brand);border-color:var(--brand);color:#fff}
.mobile-cta{margin-top:12px}
.mobile-cta .btn{width:100%}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 24px;border-radius:var(--r-sm);font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;transition:background-color .15s var(--ease),color .15s var(--ease),border-color .15s var(--ease),transform .15s var(--ease),box-shadow .15s var(--ease);text-align:center}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn:active{transform:scale(.98)}
.btn-primary{background:linear-gradient(180deg,#F5693A 0%,var(--brand) 100%);color:#fff;box-shadow:0 10px 24px rgba(242,92,42,.26)}
.btn-primary:hover{background:var(--brand-dark);color:#fff}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--border)}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand);border-color:var(--brand)}
.btn-line{background:transparent;color:var(--brand);border-color:transparent;padding:0 8px}
.btn-line:hover{color:var(--brand-dark)}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px;border-radius:10px}

/* ---------- Article hero ---------- */
.article-hero{position:relative;padding:40px 0 8px;overflow:hidden}
.article-hero::before{
  content:"";position:absolute;inset:0;z-index:0;
  background-image:url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center;
  opacity:.16;
}
.article-hero::after{content:"";position:absolute;inset:0;z-index:0;background:linear-gradient(180deg,rgba(250,247,242,.6),rgba(250,247,242,1))}
.article-hero .container{position:relative;z-index:1}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--weak);margin-bottom:20px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:var(--weak)}
.crumbs .current{color:var(--text);font-weight:600}
.article-head{max-width:860px;margin:0 auto;text-align:left}
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.02em}
.badge-brand{background:var(--brand);color:#fff}
.badge-soft{background:var(--brand-soft);color:var(--brand)}
.badge-accent{background:var(--accent-soft);color:var(--accent)}
.article-head h1{font-size:clamp(28px,4vw,46px);font-weight:900;margin:16px 0 18px;line-height:1.32}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;font-size:14px;color:var(--muted);padding-bottom:22px;border-bottom:1px solid var(--border)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--border)}
.meta-pill{display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 12px;border-radius:999px;background:#fff;border:1px solid var(--border);font-size:13px;color:var(--muted)}

/* ---------- Article body ---------- */
.article-wrap{padding:48px 0 0}
.article-shell{max-width:820px;margin:0 auto}
.article-body{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--shadow);
  padding:36px 30px;font-size:16.5px;line-height:1.9;color:#242220;
}
.article-body > * + *{margin-top:1.2em}
.article-body h2{font-size:clamp(22px,2.4vw,30px);font-weight:800;margin-top:1.8em;padding-left:14px;position:relative;line-height:1.45}
.article-body h2::before{content:"";position:absolute;left:0;top:.28em;width:5px;height:.9em;border-radius:3px;background:linear-gradient(180deg,var(--brand),#F79009)}
.article-body h3{font-size:clamp(18px,1.8vw,22px);font-weight:800;margin-top:1.5em}
.article-body p{margin-top:1.2em}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-body ul,.article-body ol{margin-top:1.2em;padding-left:0;display:grid;gap:10px}
.article-body ul li,.article-body ol li{position:relative;padding-left:26px;color:#2B2926}
.article-body ul li::before{content:"";position:absolute;left:6px;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--brand);transform:rotate(45deg)}
.article-body ol{counter-reset:li}
.article-body ol li{counter-increment:li}
.article-body ol li::before{content:counter(li);position:absolute;left:0;top:.32em;width:20px;height:20px;border-radius:6px;background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums}
.article-body blockquote{margin-top:1.4em;padding:18px 22px;background:var(--bg);border-left:4px solid var(--brand);border-radius:0 var(--r-md) var(--r-md) 0;color:var(--muted);font-size:15.5px}
.article-body img{border-radius:var(--r-md);margin-top:1.4em}
.article-body figure{margin:1.4em 0 0}
.article-body figcaption{font-size:13px;color:var(--weak);margin-top:10px;text-align:center}
.article-body table{width:100%;border-collapse:collapse;margin-top:1.4em;font-size:15px;border:1px solid var(--border);border-radius:var(--r-md);overflow:hidden}
.article-body th{background:var(--bg);text-align:left;font-weight:700;padding:12px 14px;border-bottom:1px solid var(--border);color:var(--text)}
.article-body td{padding:12px 14px;border-bottom:1px solid var(--border);color:var(--muted)}
.article-body tr:last-child td{border-bottom:0}
.article-body pre{margin-top:1.4em;background:var(--ink);color:#F5F2EE;border-radius:var(--r-md);padding:16px 18px;overflow-x:auto;font-size:14px;line-height:1.7}
.article-body code{background:var(--bg);border:1px solid var(--border);border-radius:6px;padding:1px 6px;font-size:14px}
.article-body pre code{background:none;border:0;padding:0;color:inherit}
.article-body hr{margin:2em 0;border:0;border-top:1px solid var(--border)}

/* ---------- Empty state ---------- */
.empty-state{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--shadow);
  padding:44px 28px;text-align:center;
}
.empty-mark{display:grid;grid-template-columns:repeat(3,10px);grid-template-rows:repeat(3,10px);gap:6px;justify-content:center;margin-bottom:20px}
.empty-mark i{width:10px;height:10px;border-radius:3px;border:1.5px solid var(--border)}
.empty-mark i:nth-child(5){border-color:var(--brand);background:var(--brand-soft)}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{color:var(--muted);font-size:15px;max-width:460px;margin:0 auto 22px}

/* ---------- Related ---------- */
.related{padding:70px 0 0}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.list-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--shadow);overflow:hidden;transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
.list-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--brand);text-decoration:none}
.list-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg)}
.list-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease)}
.list-card:hover .list-thumb img{transform:scale(1.04)}
.list-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.list-body h3{font-size:18px;line-height:1.5;color:var(--ink)}
.list-body p{font-size:14px;color:var(--muted);line-height:1.75}
.list-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--weak);margin-top:auto;padding-top:6px}
.list-meta .arrow{transition:transform .22s var(--ease);color:var(--brand);font-weight:800}
.list-card:hover .list-meta .arrow{transform:translateX(4px)}

/* ---------- CTA band ---------- */
.cta-band{padding:80px 0 0}
.cta-inner{
  position:relative;overflow:hidden;border-radius:22px;border:1px solid var(--border);
  background:linear-gradient(120deg,#1B1A18 0%,#2A2724 62%,#3A3129 100%);
  padding:48px 40px;display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:center;color:#F7F4F0;
}
.cta-inner::after{content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle,rgba(242,92,42,.34),transparent 68%)}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.6vw,32px);margin-bottom:12px}
.cta-inner p{color:#CFC8C0;font-size:15px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1}
.cta-actions .btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.24)}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff;border-color:#fff}

/* ---------- FAQ ---------- */
.faq{padding:80px 0 0}
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--r-md);box-shadow:var(--shadow);overflow:hidden;transition:border-color .22s var(--ease),box-shadow .22s var(--ease)}
.faq-item.open{border-color:var(--brand);box-shadow:var(--shadow-hover)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 22px;background:none;border:0;cursor:pointer;text-align:left;font-size:16px;font-weight:700;color:var(--ink);position:relative;min-height:44px}
.faq-q::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;background:var(--brand);opacity:0;transition:opacity .22s var(--ease)}
.faq-item.open .faq-q::before{opacity:1}
.faq-icon{flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--border);display:flex;align-items:center;justify-content:center;color:var(--brand);font-weight:800;transition:transform .22s var(--ease),background-color .22s var(--ease),color .22s var(--ease)}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--brand);color:#fff;border-color:var(--brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s var(--ease)}
.faq-a p{padding:0 22px 20px;font-size:15px;color:var(--muted);line-height:1.8}

/* ---------- Footer ---------- */
.site-footer{margin-top:96px;background:var(--ink);color:#CFC8C0;padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px}
.footer-col h4{color:#fff;font-size:15px;font-weight:800;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{color:#B9B2AA;font-size:14px}
.footer-col a:hover{color:var(--brand)}
.site-footer .brand-mark{background:#2A2724}
.site-footer .brand-name{color:#fff}
.footer-about{font-size:14px;color:#9F9890;line-height:1.8;margin-top:16px;max-width:380px}
.footer-cta p{font-size:14px;color:#9F9890;line-height:1.8;margin-bottom:16px}
.footer-bottom{margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:#8A847C}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  :root{--sec-y:72px}
  .nav-links{display:none}
  .nav-toggle{display:block}
  .nav-card{gap:12px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .cta-inner{grid-template-columns:1fr;padding:40px 28px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .article-body{padding:30px 24px}
}
@media (max-width:768px){
  .site-header{padding:10px 0}
  .nav-item{height:44px}
  .article-hero{padding:28px 0 4px}
  .article-body{padding:26px 20px;font-size:16px}
  .related .card-grid{grid-template-columns:1fr}
  .cta-actions .btn{width:100%}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand-name{font-size:15px}
  .nav-tools .btn{display:none}
  .mobile-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .article-meta{gap:8px 12px}
  .cta-inner{padding:30px 20px}
  .footer-bottom{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root{
  --orange:#F25C2A;
  --orange-dark:#D94A1E;
  --orange-soft:#FFF1EA;
  --teal:#00A896;
  --teal-soft:#E6F7F4;
  --ink:#141414;
  --bg:#FAF7F2;
  --card:#FFFFFF;
  --line:#E8E2D9;
  --text:#1C1B19;
  --text-2:#6B665F;
  --text-3:#9A948C;
  --ok:#12B76A;
  --warn:#F79009;
  --danger:#E5484D;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow:0 1px 2px rgba(20,20,20,.04), 0 12px 32px rgba(20,20,20,.06);
  --shadow-hover:0 16px 40px rgba(20,20,20,.10);
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","HarmonyOS Sans",-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--text);text-decoration:none;transition:color .15s var(--ease)}
a:hover{color:var(--orange)}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:6px}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:0;line-height:1.3;color:var(--text)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums}

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

/* ===== 顶部导航 ===== */
.site-header{position:sticky;top:0;z-index:80;padding:14px 0;background:rgba(250,247,242,.9);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);transition:padding .22s var(--ease),background .22s var(--ease)}
.site-header.scrolled{padding:8px 0;background:rgba(250,247,242,.97)}
.header-inner{
  display:flex;align-items:center;gap:14px;
  background:var(--card);border:1px solid var(--line);border-radius:16px;
  padding:9px 12px;box-shadow:var(--shadow);
  transition:box-shadow .22s var(--ease);
}
.site-header.scrolled .header-inner{box-shadow:var(--shadow-hover)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  display:grid;grid-template-columns:repeat(3,5px);gap:3px;
  padding:7px;border-radius:10px;background:var(--ink);
}
.brand-mark i{width:5px;height:5px;border-radius:1.5px;background:#5A554E;display:block}
.brand-mark i:nth-child(5){background:var(--orange)}
.brand-name{font-size:17px;font-weight:800;letter-spacing:0;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:6px;flex:1 1 auto;margin-left:6px;flex-wrap:nowrap}
.nav-item{
  display:inline-flex;align-items:center;height:40px;padding:0 14px;
  font-size:14px;font-weight:600;color:var(--text-2);
  border:1px solid transparent;border-radius:11px;
  background:#FBF9F6;white-space:nowrap;
  transition:background .15s var(--ease),color .15s var(--ease),border-color .15s var(--ease),transform .15s var(--ease);
}
.nav-item:hover{background:var(--orange-soft);color:var(--orange);border-color:#F8C3AD;transform:translateY(-1px)}
.nav-item.active{background:var(--orange);border-color:var(--orange);color:#fff;box-shadow:0 6px 16px rgba(242,92,42,.26)}
.nav-item.active:hover{background:var(--orange-dark);color:#fff}
.header-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.menu-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative}
.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .22s var(--ease)}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}
.mobile-drawer{
  display:none;margin-top:10px;background:var(--card);border:1px solid var(--line);
  border-radius:16px;box-shadow:var(--shadow);padding:14px;
}
.mobile-drawer.open{display:block;animation:dropIn .32s var(--ease)}
@keyframes dropIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.drawer-item{
  display:flex;align-items:center;min-height:46px;padding:0 14px;font-size:14px;font-weight:600;
  border:1px solid var(--line);border-radius:12px;background:#FBF9F6;color:var(--text-2);
}
.drawer-item.active{background:var(--orange);border-color:var(--orange);color:#fff}
.drawer-cta{margin-top:12px;display:flex;gap:10px}
.drawer-cta .btn{flex:1}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:12px;border:1px solid transparent;
  font-size:15px;font-weight:700;white-space:nowrap;
  transition:transform .15s var(--ease),background .15s var(--ease),color .15s var(--ease),border-color .15s var(--ease),box-shadow .15s var(--ease);
}
.btn-primary{background:linear-gradient(135deg,#F25C2A 0%,#F27A2A 100%);color:#fff;box-shadow:0 8px 22px rgba(242,92,42,.26)}
.btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 28px rgba(242,92,42,.32)}
.btn-primary:active{transform:scale(.98)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--text)}
.btn-outline:hover{border-color:#F8C3AD;background:var(--orange-soft);color:var(--orange);transform:translateY(-1px)}
.btn-outline:active{transform:scale(.98)}
.btn-ghost{background:transparent;color:var(--orange);border-color:transparent}
.btn-ghost:hover{background:var(--orange-soft)}
.btn-dark{background:#fff;color:var(--ink);border-color:transparent}
.btn-dark:hover{background:var(--orange-soft);color:var(--orange)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;border-radius:10px}
.btn-lg{min-height:52px;padding:0 28px;font-size:16px}

/* ===== 徽章 ===== */
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 11px;border-radius:var(--r-pill);font-size:12px;font-weight:700;letter-spacing:.2px;white-space:nowrap}
.badge-orange{background:var(--orange-soft);color:var(--orange)}
.badge-teal{background:var(--teal-soft);color:var(--teal)}
.badge-ok{background:#E7F8EF;color:var(--ok)}
.badge-warn{background:#FEF4E6;color:var(--warn)}
.badge-line{background:#F5F2ED;color:var(--text-2)}

/* ===== 分类页 Hero ===== */
.cat-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);padding:44px 0 56px}
.cat-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.16}
.cat-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(250,247,242,.78) 0%,rgba(250,247,242,.97) 100%)}
.cat-hero-inner{position:relative;z-index:2}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-3);margin-bottom:16px;flex-wrap:wrap}
.breadcrumb a{color:var(--text-2);font-weight:600}
.breadcrumb a:hover{color:var(--orange)}
.breadcrumb .sep{color:#CFC8BD}
.cat-hero h1{font-size:clamp(30px,5vw,46px);font-weight:900;margin:14px 0 16px;max-width:820px}
.cat-hero .lead{font-size:17px;color:var(--text-2);max-width:680px;line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.fact{
  display:flex;align-items:baseline;gap:8px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-pill);
  padding:8px 16px;font-size:13px;color:var(--text-2);
}
.fact b{font-size:15px;color:var(--text);font-variant-numeric:tabular-nums}

/* ===== 板块 ===== */
.section{padding:64px 0}
@media (min-width:1024px){.section{padding:100px 0}}
.section-alt{background:#F4F0E9;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:720px;margin-bottom:36px}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--orange);letter-spacing:.4px;margin-bottom:12px}
.kicker::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--orange)}
.section-head h2{font-size:clamp(24px,3.4vw,34px);font-weight:900}
.section-sub{margin-top:14px;color:var(--text-2);font-size:16px}

/* ===== 网格 ===== */
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:1fr}
.grid-3{grid-template-columns:1fr}
.grid-4{grid-template-columns:1fr}
@media (min-width:768px){
  .grid{gap:24px}
  .grid-2{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
}
@media (min-width:1024px){
  .grid{gap:28px}
  .grid-3{grid-template-columns:repeat(3,1fr)}
  .grid-4{grid-template-columns:repeat(4,1fr)}
}

/* ===== 卡片 ===== */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow);overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#F8C3AD}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#F0ECE5}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease)}
.card:hover .card-media img{transform:scale(1.04)}
.card-tag{position:absolute;top:12px;left:12px}
.card-body{padding:20px}
.card-body h3{font-size:19px;font-weight:800;margin-bottom:10px}
.card-body p{font-size:14.5px;color:var(--text-2);line-height:1.8}
.card-meta{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-top:14px}
.card-link{display:inline-flex;align-items:center;gap:8px;margin-top:16px;font-size:14px;font-weight:700;color:var(--orange)}
.card-link .arrow{transition:transform .22s var(--ease)}
.card:hover .card-link .arrow{transform:translateX(4px)}

/* ===== 通道列表 ===== */
.channel-list{display:grid;gap:14px}
.channel{
  display:flex;align-items:center;gap:18px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px 20px;box-shadow:var(--shadow);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.channel:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#F8C3AD}
.channel-icon{
  flex:0 0 auto;width:46px;height:46px;border-radius:13px;
  display:flex;align-items:center;justify-content:center;
  background:var(--orange-soft);color:var(--orange);font-weight:900;font-size:15px;
  font-variant-numeric:tabular-nums;
}
.channel-main{flex:1 1 auto;min-width:0}
.channel-main h3{font-size:16.5px;font-weight:800;margin-bottom:4px}
.channel-main p{font-size:14px;color:var(--text-2)}
.channel-side{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.channel-side .arrow{color:var(--text-3);font-weight:700;transition:transform .22s var(--ease),color .22s var(--ease)}
.channel:hover .channel-side .arrow{transform:translateX(3px);color:var(--orange)}

/* ===== 准备清单 ===== */
.prep{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--shadow);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.prep:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#F8C3AD}
.prep-top{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.prep-ico{
  width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--teal-soft);color:var(--teal);font-weight:900;font-size:14px;
}
.prep h3{font-size:17px;font-weight:800}
.prep p{font-size:14.5px;color:var(--text-2)}
.prep .value{margin-top:14px;display:flex;align-items:baseline;gap:8px;font-size:14px;color:var(--text-3)}
.prep .value b{font-size:20px;color:var(--text);font-variant-numeric:tabular-nums}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item[open]{border-color:#F8C3AD;box-shadow:var(--shadow)}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px 18px 24px;font-size:16px;font-weight:700;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:0 3px 3px 0;
  background:transparent;transition:background .22s var(--ease);
}
.faq-item[open] summary::before{background:var(--orange)}
.faq-icon{flex:0 0 auto;width:22px;height:22px;position:relative;transition:transform .22s var(--ease)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--orange);border-radius:2px}
.faq-icon::before{width:14px;height:2px;transform:translate(-50%,-50%)}
.faq-icon::after{width:2px;height:14px;transform:translate(-50%,-50%)}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-body{padding:0 24px 20px;color:var(--text-2);font-size:14.5px;line-height:1.85}

/* ===== CTA ===== */
.cta-band{background:var(--ink);color:#fff;border-radius:22px;padding:40px 28px;position:relative;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,92,42,.42) 0%,rgba(242,92,42,0) 70%);
}
.cta-band h2{color:#fff;font-size:clamp(23px,3.2vw,32px);font-weight:900;position:relative;z-index:2}
.cta-band p{color:#B9B4AC;margin-top:14px;max-width:600px;position:relative;z-index:2;font-size:15.5px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;position:relative;z-index:2}
.cta-dots{display:grid;grid-template-columns:repeat(3,6px);gap:5px;margin-bottom:18px;position:relative;z-index:2}
.cta-dots i{width:6px;height:6px;border-radius:2px;background:#4A4741;display:block}
.cta-dots i:nth-child(5){background:var(--orange)}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink);color:#CFCAC2;margin-top:72px;padding:56px 0 26px}
@media (min-width:1024px){.site-footer{margin-top:104px;padding:72px 0 30px}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px}}
.site-footer .brand-name{color:#fff}
.site-footer .brand-mark{background:#2A2724}
.footer-about{margin-top:16px;font-size:14px;line-height:1.85;color:#9C968E;max-width:360px}
.footer-col h4{color:#fff;font-size:15px;font-weight:800;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col ul a{color:#B9B4AC;font-size:14px}
.footer-col ul a:hover{color:var(--orange)}
.footer-cta p{font-size:14px;color:#9C968E;margin-bottom:16px;line-height:1.85}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid #2A2724;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:#807A72;
}

@media (max-width:900px){
  .nav-links{display:none}
  .header-actions .btn-primary{display:none}
  .menu-toggle{display:flex}
  .header-inner{justify-content:space-between}
}
@media (max-width:639px){
  .hero-actions .btn{width:100%}
  .channel{flex-wrap:wrap;gap:12px}
  .channel-side{width:100%;justify-content:flex-end}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --brand:#F25C2A;
  --brand-dark:#D94A1E;
  --brand-soft:#FDEDE6;
  --teal:#00A896;
  --teal-soft:#E6F7F4;
  --ink:#141414;
  --bg:#FAF7F2;
  --card:#FFFFFF;
  --line:#E8E2D9;
  --text:#1C1B19;
  --text-2:#6B665F;
  --text-3:#9A948C;
  --success:#12B76A;
  --warn:#F79009;
  --danger:#E5484D;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --shadow:0 1px 2px rgba(20,20,20,.04),0 12px 32px rgba(20,20,20,.06);
  --shadow-hover:0 16px 40px rgba(20,20,20,.10);
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","HarmonyOS Sans",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-md);}
a{color:var(--text);text-decoration:none;transition:color .15s var(--ease);}
a:hover{color:var(--brand);}
button{font-family:inherit;}
h1,h2,h3,h4{font-weight:800;letter-spacing:0;margin:0;line-height:1.28;color:var(--text);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container{max-width:1200px;margin:0 auto;padding:0 20px;}
@media(min-width:1024px){.container{padding:0 24px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  padding:14px 0;
  background:rgba(250,247,242,.86);
  backdrop-filter:saturate(160%) blur(10px);
  transition:padding .22s var(--ease),box-shadow .22s var(--ease);
}
.nav-panel{
  display:flex;align-items:center;gap:18px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow);
  padding:10px 12px 10px 16px;
  transition:box-shadow .22s var(--ease);
}
.site-header.is-scrolled{padding:8px 0;}
.site-header.is-scrolled .nav-panel{box-shadow:var(--shadow-hover);}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:30px;height:30px;display:grid;
  grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);
  gap:2px;padding:3px;border-radius:9px;background:var(--ink);
}
.brand-mark i{background:#fff;border-radius:1.5px;opacity:.92;}
.brand-mark i:nth-child(1),.brand-mark i:nth-child(5),.brand-mark i:nth-child(9){background:var(--brand);opacity:1;}
.brand-name{font-size:17px;font-weight:800;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:6px;flex:1 1 auto;justify-content:center;flex-wrap:wrap;}
.nav-item{
  display:inline-flex;align-items:center;
  height:40px;padding:0 14px;border-radius:11px;
  font-size:14px;font-weight:500;color:var(--text-2);
  border:1px solid transparent;white-space:nowrap;
  transition:background .15s var(--ease),color .15s var(--ease),border-color .15s var(--ease);
}
.nav-item:hover{background:var(--brand-soft);color:var(--brand-dark);border-color:#F7D6C8;}
.nav-item.active{background:var(--brand);color:#fff;border-color:var(--brand);font-weight:700;}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:11px;
  border:1px solid var(--line);background:#fff;cursor:pointer;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .22s var(--ease),opacity .22s var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-sm);
  font-size:15px;font-weight:700;cursor:pointer;border:1px solid transparent;
  transition:transform .15s var(--ease),background .15s var(--ease),color .15s var(--ease),border-color .15s var(--ease),box-shadow .15s var(--ease);
}
.btn-sm{min-height:44px;padding:0 18px;font-size:14px;}
.btn-primary{background:linear-gradient(180deg,#F86C3C 0%,var(--brand) 100%);color:#fff;box-shadow:0 6px 16px rgba(242,92,42,.28);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{background:#fff;color:var(--text);border-color:var(--line);}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);border-color:#F7D6C8;transform:translateY(-1px);}
.btn-line{background:transparent;color:var(--brand);border-color:transparent;padding:0 8px;}
.btn-line:hover{color:var(--brand-dark);text-decoration:underline;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

/* ---------- section base ---------- */
.section{padding:56px 0;}
@media(min-width:768px){.section{padding:80px 0;}}
@media(min-width:1024px){.section{padding:104px 0;}}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.06em;
  color:var(--brand-dark);background:var(--brand-soft);
  border:1px solid #F7D6C8;border-radius:999px;padding:5px 12px;
  margin-bottom:16px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);}
.section-title{font-size:clamp(24px,3.2vw,36px);max-width:760px;}
.section-lead{margin-top:14px;color:var(--text-2);font-size:16px;max-width:720px;}
.section-head{margin-bottom:36px;}
@media(min-width:1024px){.section-head{margin-bottom:52px;}}

/* ---------- hero ---------- */
.hero{
  position:relative;
  padding:52px 0 56px;
  background-image:linear-gradient(180deg,rgba(250,247,242,.94),rgba(250,247,242,.98)),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
@media(min-width:1024px){.hero{padding:72px 0 84px;}}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3);margin-bottom:22px;}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:#C9C2B8;}
.breadcrumb .now{color:var(--brand-dark);font-weight:700;}
.hero h1{font-size:clamp(30px,4.4vw,46px);max-width:900px;}
.hero-sub{margin-top:18px;font-size:clamp(16px,1.5vw,19px);color:var(--text-2);max-width:760px;line-height:1.85;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-meta{
  display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:38px;
}
@media(min-width:768px){.hero-meta{grid-template-columns:repeat(4,1fr);gap:20px;}}
.meta-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:16px 18px;box-shadow:var(--shadow);
}
.meta-card .k{font-size:12.5px;color:var(--text-3);font-weight:600;letter-spacing:.02em;}
.meta-card .v{font-size:20px;font-weight:800;margin-top:6px;font-variant-numeric:tabular-nums;}
.meta-card .v small{font-size:13px;font-weight:600;color:var(--text-2);margin-left:4px;}

/* ---------- split (左文右图) ---------- */
.split{
  display:grid;gap:28px;align-items:center;
  padding:28px 0;
}
@media(min-width:900px){
  .split{grid-template-columns:1fr 1fr;gap:56px;padding:40px 0;}
  .split.reverse .split-media{order:2;}
  .split.reverse .split-body{order:1;}
}
.split-media{position:relative;}
.split-media img{
  border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow);width:100%;aspect-ratio:16/10;object-fit:cover;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.split-media img:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.split-media .tag{
  position:absolute;left:14px;top:14px;
  background:rgba(20,20,20,.82);color:#fff;
  font-size:12.5px;font-weight:700;padding:5px 12px;border-radius:999px;
  font-variant-numeric:tabular-nums;
}
.split-index{
  display:flex;align-items:center;gap:12px;margin-bottom:14px;
}
.split-index .num{
  font-size:14px;font-weight:800;color:var(--brand);
  font-variant-numeric:tabular-nums;letter-spacing:.08em;
}
.split-index .rule{flex:1;height:1px;background:var(--line);}
.split-body h2{font-size:clamp(22px,2.6vw,30px);}
.split-body p{margin-top:14px;color:var(--text-2);line-height:1.85;}
.point-list{margin-top:20px;display:grid;gap:10px;}
.point-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14.5px;color:var(--text-2);line-height:1.75;
}
.point-list li::before{
  content:"";flex:0 0 auto;width:7px;height:7px;margin-top:9px;border-radius:50%;
  background:var(--brand);
}
.point-list li b{color:var(--text);font-weight:700;}

/* ---------- steps ---------- */
.steps-band{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.steps{display:grid;gap:16px;grid-template-columns:1fr;}
@media(min-width:640px){.steps{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.steps{grid-template-columns:repeat(5,1fr);gap:18px;}}
.step-card{
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 20px;position:relative;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#F7D6C8;}
.step-card .idx{
  font-size:26px;font-weight:900;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1;
}
.step-card h3{margin-top:12px;font-size:17px;}
.step-card p{margin-top:8px;font-size:14px;color:var(--text-2);line-height:1.75;}

/* ---------- secure grid ---------- */
.secure-grid{display:grid;gap:18px;grid-template-columns:1fr;}
@media(min-width:640px){.secure-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.secure-grid{grid-template-columns:repeat(4,1fr);gap:24px;}}
.secure-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 22px;box-shadow:var(--shadow);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.secure-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#F7D6C8;}
.secure-icon{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--teal-soft);color:var(--teal);font-weight:800;font-size:16px;
  font-variant-numeric:tabular-nums;
}
.secure-card h3{margin-top:16px;font-size:17.5px;}
.secure-card p{margin-top:10px;font-size:14.5px;color:var(--text-2);line-height:1.8;}

/* ---------- faq ---------- */
.faq-wrap{max-width:880px;margin:0 auto;display:grid;gap:12px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;position:relative;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--brand);transform:scaleY(0);transform-origin:top;
  transition:transform .22s var(--ease);
}
.faq-item.open{border-color:#F7D6C8;box-shadow:var(--shadow);}
.faq-item.open::before{transform:scaleY(1);}
.faq-q{
  width:100%;background:none;border:0;cursor:pointer;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;font-size:16px;font-weight:700;color:var(--text);line-height:1.6;
}
.faq-q:hover{color:var(--brand-dark);}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  color:var(--text-2);font-size:16px;font-weight:700;
  transition:transform .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--brand);border-color:var(--brand);color:#fff;}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .22s var(--ease);
}
.faq-a p{padding:0 22px 22px;font-size:14.5px;color:var(--text-2);line-height:1.85;}

/* ---------- cta band ---------- */
.cta-band{
  background:linear-gradient(135deg,#1C1B19 0%,#2A2723 100%);
  color:#fff;border-radius:var(--r-lg);
  padding:40px 26px;position:relative;overflow:hidden;
  border:1px solid #2A2723;
}
@media(min-width:900px){.cta-band{padding:56px 56px;}}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,92,42,.42) 0%,rgba(242,92,42,0) 70%);
  pointer-events:none;
}
.cta-band h2{color:#fff;font-size:clamp(24px,3vw,34px);position:relative;}
.cta-band p{margin-top:16px;color:rgba(255,255,255,.76);max-width:640px;font-size:15.5px;line-height:1.85;position:relative;}
.cta-band .hero-actions{position:relative;}
.cta-band .btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.28);}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff;border-color:rgba(255,255,255,.45);}
.cta-facts{
  display:grid;grid-template-columns:1fr;gap:14px;margin-top:32px;
}
@media(min-width:768px){.cta-facts{grid-template-columns:repeat(3,1fr);gap:20px;}}
.cta-fact{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-md);padding:16px 18px;position:relative;
}
.cta-fact .k{font-size:12.5px;color:rgba(255,255,255,.6);font-weight:600;}
.cta-fact .v{font-size:17px;font-weight:800;margin-top:6px;font-variant-numeric:tabular-nums;}

/* ---------- footer ---------- */
.site-footer{
  background:#141414;color:rgba(255,255,255,.72);
  padding:56px 0 26px;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:800;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{color:rgba(255,255,255,.72);font-size:14.5px;}
.footer-col a:hover{color:var(--brand);}
.site-footer .brand-name{color:#fff;}
.site-footer .brand-mark{background:#fff;}
.site-footer .brand-mark i{background:#141414;opacity:.9;}
.site-footer .brand-mark i:nth-child(1),.site-footer .brand-mark i:nth-child(5),.site-footer .brand-mark i:nth-child(9){background:var(--brand);}
.footer-about{margin-top:16px;font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.66);max-width:380px;}
.footer-cta p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.66);margin-bottom:16px;}
.footer-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);
}

/* ---------- mobile nav ---------- */
@media(max-width:960px){
  .nav-toggle{display:inline-flex;}
  .nav-links{
    position:absolute;left:0;right:0;top:calc(100% + 10px);
    flex-direction:column;align-items:stretch;gap:8px;
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
    box-shadow:var(--shadow-hover);padding:12px;
    display:none;
  }
  .nav-links.open{display:flex;}
  .nav-item{height:46px;justify-content:flex-start;border-color:var(--line);}
  .nav-panel{position:relative;flex-wrap:wrap;}
  .nav-actions .btn-primary span.long{display:none;}
}
@media(max-width:520px){
  .hero-actions .btn{width:100%;}
  .nav-actions .btn-primary{padding:0 14px;}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{transition:none!important;animation:none!important;}
}

/* roulang page: category3 */
:root{
  --primary:#F25C2A;
  --primary-hover:#D94A1E;
  --primary-soft:rgba(242,92,42,.08);
  --primary-line:rgba(242,92,42,.28);
  --teal:#00A896;
  --teal-soft:rgba(0,168,150,.10);
  --ink:#141414;
  --bg:#FAF7F2;
  --card:#FFFFFF;
  --line:#E8E2D9;
  --text:#1C1B19;
  --text-2:#6B665F;
  --text-3:#9A948C;
  --success:#12B76A;
  --warn:#F79009;
  --danger:#E5484D;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,20,20,.04),0 12px 32px rgba(20,20,20,.06);
  --sh-2:0 16px 40px rgba(20,20,20,.10);
  --ease:cubic-bezier(.2,.7,.2,1);
  --section:64px;
  --container:1200px;
}
@media (min-width:1024px){
  :root{--section:108px;}
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","HarmonyOS Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  font-weight:400;
  line-height:1.8;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--text);text-decoration:none;transition:color .15s var(--ease);}
a:hover{color:var(--primary);}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font-family:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800;letter-spacing:0;}
h1{font-size:clamp(30px,4vw,48px);font-weight:900;}
h2{font-size:clamp(24px,3vw,36px);font-weight:800;}
h3{font-size:clamp(18px,2vw,22px);font-weight:700;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:1024px){
  .container{padding:0 24px;}
}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border-radius:var(--r-sm);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  transition:transform .15s var(--ease),background-color .15s var(--ease),color .15s var(--ease),border-color .15s var(--ease),box-shadow .15s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,#F25C2A 0%,#FF7A45 100%);
  color:#fff;
  box-shadow:0 8px 20px rgba(242,92,42,.24);
}
.btn-primary:hover{background:var(--primary-hover);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(217,74,30,.28);}
.btn-primary:active{transform:scale(.98);}
.btn-outline{
  background:#fff;
  color:var(--text);
  border-color:var(--line);
  box-shadow:0 1px 2px rgba(20,20,20,.04);
}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);background:#FFF8F4;}
.btn-ghost{background:transparent;color:var(--primary);}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-hover);}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 10px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:600;
  line-height:1.6;
  letter-spacing:.02em;
}
.badge-primary{background:var(--primary-soft);color:var(--primary-hover);}
.badge-teal{background:var(--teal-soft);color:#00776A;}
.badge-ok{background:rgba(18,183,106,.10);color:#0B7F4A;}
.badge-warn{background:rgba(247,144,9,.12);color:#9A5B00;}
.badge-danger{background:rgba(229,72,77,.10);color:#B3282D;}
.badge-ink{background:rgba(255,255,255,.10);color:#F5F1EA;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  padding:12px 0;
  background:linear-gradient(to bottom,rgba(250,247,242,.96),rgba(250,247,242,.68));
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:padding .22s var(--ease),box-shadow .22s var(--ease);
}
.site-header.scrolled{padding:7px 0;}
.nav-panel{
  display:flex;
  align-items:center;
  gap:14px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:9px 12px;
  box-shadow:var(--sh-1);
  transition:box-shadow .22s var(--ease);
}
.site-header.scrolled .nav-panel{box-shadow:var(--sh-2);}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:900;
  font-size:17px;
  color:var(--text);
  flex:0 0 auto;
}
.brand:hover{color:var(--text);}
.brand-mark{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:2px;
  width:26px;
  height:26px;
  padding:3px;
  border-radius:8px;
  background:var(--ink);
}
.brand-mark i{display:block;width:100%;height:100%;border-radius:2px;background:rgba(255,255,255,.28);}
.brand-mark i:nth-child(1),
.brand-mark i:nth-child(5),
.brand-mark i:nth-child(9){background:var(--primary);}
.brand-name{white-space:nowrap;}
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  flex:1 1 auto;
  justify-content:center;
}
.nav-item{
  display:inline-flex;
  align-items:center;
  padding:11px 14px;
  border-radius:10px;
  font-size:14px;
  font-weight:500;
  color:var(--text-2);
  border:1px solid transparent;
  transition:background-color .15s var(--ease),color .15s var(--ease),transform .15s var(--ease);
}
.nav-item:hover{background:var(--primary-soft);color:var(--primary-hover);}
.nav-item.active{
  background:var(--primary);
  color:#fff;
  font-weight:600;
  box-shadow:0 6px 16px rgba(242,92,42,.22);
}
.nav-item.active:hover{background:var(--primary-hover);color:#fff;}
.nav-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  align-items:center;
  justify-content:center;
}
.nav-toggle span{
  display:block;
  width:18px;
  height:2px;
  background:var(--text);
  border-radius:2px;
  position:relative;
  transition:background-color .15s var(--ease);
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  background:var(--text);
  border-radius:2px;
  transition:transform .22s var(--ease);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
body.nav-open .nav-toggle span{background:transparent;}
body.nav-open .nav-toggle span::before{transform:translateY(6px) rotate(45deg);}
body.nav-open .nav-toggle span::after{transform:translateY(-6px) rotate(-45deg);}
@media (max-width:1023px){
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .nav-actions{display:none;}
  .nav-links{
    position:fixed;
    left:16px;
    right:16px;
    top:74px;
    display:none;
    grid-template-columns:1fr 1fr;
    gap:10px;
    padding:14px;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    box-shadow:var(--sh-2);
    max-height:calc(100vh - 100px);
    overflow:auto;
  }
  body.nav-open .nav-links{display:grid;}
  .nav-item{
    justify-content:center;
    padding:14px 10px;
    font-size:14px;
    border-color:var(--line);
    background:#FFFDFA;
  }
}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:18px;
}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb span[aria-current]{color:var(--text);font-weight:600;}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  padding:44px 0 0;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(180deg,rgba(250,247,242,.86),rgba(250,247,242,.97)),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  opacity:.9;
  z-index:-1;
}
.hero-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
  align-items:center;
}
@media (min-width:1024px){
  .hero-grid{grid-template-columns:7fr 5fr;gap:48px;}
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:5px 12px;
  border-radius:var(--r-pill);
  background:#fff;
  border:1px solid var(--line);
  font-size:12px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--text-2);
  margin-bottom:16px;
}
.eyebrow::before{
  content:"";
  width:7px;height:7px;border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 0 4px var(--primary-soft);
}
.hero-title{margin-bottom:16px;}
.hero-sub{
  font-size:clamp(17px,1.6vw,20px);
  font-weight:600;
  color:var(--primary-hover);
  margin-bottom:14px;
}
.hero-text{
  font-size:16px;
  color:var(--text-2);
  max-width:640px;
  line-height:1.85;
  margin-bottom:26px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.hero-media{
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  background:#fff;
}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.hero-media figcaption{
  padding:12px 16px;
  font-size:13px;
  color:var(--text-3);
  border-top:1px solid var(--line);
  background:#FFFDFA;
}

/* ---------- 数据条 ---------- */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:12px;
  margin-top:36px;
}
@media (min-width:768px){
  .stat-strip{grid-template-columns:repeat(4,1fr);gap:16px;}
}
.stat-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:16px 18px;
  box-shadow:0 1px 2px rgba(20,20,20,.04);
}
.stat-label{font-size:12px;color:var(--text-3);letter-spacing:.04em;margin-bottom:6px;}
.stat-value{
  font-size:18px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  color:var(--text);
}
.stat-value small{font-size:13px;font-weight:500;color:var(--text-2);}

/* ---------- 通用板块 ---------- */
.section{padding:var(--section) 0 0;}
.section-head{max-width:760px;margin-bottom:32px;}
.section-head h2{margin-bottom:12px;}
.section-head p{color:var(--text-2);font-size:16px;margin:0;}
.section-head .kicker{
  display:block;
  font-size:12px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--primary);
  margin-bottom:10px;
  text-transform:uppercase;
}

/* ---------- 时间线 ---------- */
.timeline{
  position:relative;
  padding-left:26px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:6px;
  top:10px;
  bottom:10px;
  width:2px;
  border-radius:2px;
  background:linear-gradient(to bottom,var(--primary),rgba(232,226,217,.9) 70%,rgba(232,226,217,.2));
}
.tl-item{position:relative;margin-bottom:18px;}
.tl-item:last-child{margin-bottom:0;}
.tl-node{
  position:absolute;
  left:-26px;
  top:24px;
  width:14px;
  height:14px;
  border-radius:50%;
  background:#fff;
  border:3px solid var(--primary);
  box-shadow:0 0 0 4px rgba(242,92,42,.10);
}
.tl-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:20px 22px;
  box-shadow:0 1px 2px rgba(20,20,20,.04);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.tl-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--primary-line);}
.tl-head{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-bottom:10px;
}
.tl-ver{
  font-size:20px;
  font-weight:900;
  font-variant-numeric:tabular-nums;
  letter-spacing:.01em;
}
.tl-date{font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;margin-left:auto;}
.tl-sum{color:var(--text-2);font-size:15px;margin-bottom:12px;}
.tl-list{display:grid;gap:6px;margin-bottom:14px;}
.tl-list li{
  position:relative;
  padding-left:18px;
  font-size:14px;
  color:var(--text-2);
}
.tl-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:11px;
  width:7px;
  height:7px;
  border-radius:2px;
  background:var(--teal);
  opacity:.85;
}
.tl-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px 18px;
  padding-top:12px;
  border-top:1px dashed var(--line);
  font-size:13px;
  color:var(--text-3);
  font-variant-numeric:tabular-nums;
}

/* ---------- 步骤卡 ---------- */
.steps{
  display:grid;
  grid-template-columns:1fr;
  gap:16px;
  counter-reset:step;
}
@media (min-width:640px){
  .steps{grid-template-columns:repeat(2,1fr);}
}
@media (min-width:1024px){
  .steps{grid-template-columns:repeat(4,1fr);gap:20px;}
}
.step-card{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:24px 20px 22px;
  box-shadow:0 1px 2px rgba(20,20,20,.04);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--primary-line);}
.step-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;
  height:38px;
  border-radius:12px;
  background:var(--ink);
  color:#fff;
  font-weight:800;
  font-size:15px;
  font-variant-numeric:tabular-nums;
  margin-bottom:14px;
}
.step-card h3{font-size:17px;margin-bottom:8px;}
.step-card p{font-size:14px;color:var(--text-2);margin:0;line-height:1.75;}

/* ---------- 内容分组 ---------- */
.split{
  display:grid;
  grid-template-columns:1fr;
  gap:24px;
  align-items:start;
}
@media (min-width:1024px){
  .split{grid-template-columns:5fr 7fr;gap:40px;}
}
.split-media{
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  background:#fff;
  box-shadow:var(--sh-1);
}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.split-media figcaption{
  padding:12px 16px;
  font-size:13px;
  color:var(--text-3);
  border-top:1px solid var(--line);
}
.feature-list{display:grid;gap:14px;}
@media (min-width:640px){
  .feature-list{grid-template-columns:repeat(2,1fr);}
}
.feature-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:18px;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.feature-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--primary-line);}
.feature-card h3{font-size:16px;margin-bottom:8px;display:flex;align-items:center;gap:8px;}
.feature-dot{
  width:10px;height:10px;border-radius:3px;
  background:var(--primary);
  flex:0 0 auto;
}
.feature-card p{font-size:14px;color:var(--text-2);margin:0;line-height:1.75;}

/* ---------- 定义列表 ---------- */
.def-list{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:0 1px 2px rgba(20,20,20,.04);
}
.def-row{
  display:grid;
  grid-template-columns:1fr;
  gap:6px;
  padding:18px 20px;
  border-bottom:1px solid var(--line);
  transition:background-color .15s var(--ease);
}
.def-row:last-child{border-bottom:0;}
.def-row:hover{background:#FFFBF7;}
@media (min-width:768px){
  .def-row{grid-template-columns:240px 1fr;gap:24px;align-items:start;}
}
.def-label{
  font-weight:700;
  font-size:15px;
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
}
.def-value{font-size:14px;color:var(--text-2);}
.def-value strong{color:var(--text);font-weight:600;}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;gap:12px;}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item.open{border-color:var(--primary-line);box-shadow:var(--sh-1);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  text-align:left;
  padding:18px 20px;
  font-size:16px;
  font-weight:700;
  color:var(--text);
  min-height:56px;
}
.faq-q:hover{color:var(--primary-hover);}
.faq-icon{
  position:relative;
  width:18px;
  height:18px;
  flex:0 0 auto;
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--primary);
  border-radius:2px;
  transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-icon::after{top:0;left:8px;width:2px;height:18px;}
.faq-item.open .faq-icon::after{transform:rotate(90deg);opacity:0;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .22s var(--ease);
}
.faq-a-inner{
  position:relative;
  padding:0 20px 20px 20px;
  font-size:15px;
  color:var(--text-2);
  line-height:1.8;
}
.faq-item.open .faq-a-inner::before{
  content:"";
  position:absolute;
  left:0;
  top:2px;
  bottom:22px;
  width:3px;
  border-radius:3px;
  background:var(--primary);
}

/* ---------- CTA 区块 ---------- */
.cta-band{
  margin-top:var(--section);
  background:radial-gradient(90% 140% at 12% 0%,#262523 0%,#141414 58%,#0E0E0D 100%);
  border-radius:24px;
  padding:36px 24px;
  color:#F5F1EA;
  position:relative;
  overflow:hidden;
}
@media (min-width:1024px){
  .cta-band{padding:52px 48px;}
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-60px;
  top:-60px;
  width:240px;
  height:240px;
  background-image:radial-gradient(rgba(242,92,42,.55) 1.5px,transparent 1.6px);
  background-size:18px 18px;
  opacity:.5;
  pointer-events:none;
}
.cta-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:28px;
  align-items:center;
  position:relative;
  z-index:1;
}
@media (min-width:1024px){
  .cta-grid{grid-template-columns:7fr 5fr;gap:44px;}
}
.cta-band h2{color:#fff;margin-bottom:12px;}
.cta-band p{color:#C9C3BA;font-size:15px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}
.cta-actions .btn-outline{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.22);color:#F5F1EA;}
.cta-actions .btn-outline:hover{background:rgba(255,255,255,.12);border-color:var(--primary);color:#fff;}
.qr-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-lg);
  padding:20px;
  display:flex;
  gap:18px;
  align-items:center;
}
.qr-box{
  width:104px;
  height:104px;
  flex:0 0 auto;
  border-radius:14px;
  background:#FAF7F2;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:6px;
  padding:14px;
}
.qr-box span{background:#141414;border-radius:3px;}
.qr-box span:nth-child(2),
.qr-box span:nth-child(4),
.qr-box span:nth-child(9){background:var(--primary);}
.qr-meta{font-size:13px;color:#C9C3BA;line-height:1.7;}
.qr-meta b{display:block;color:#fff;font-size:15px;font-weight:700;margin-bottom:4px;}

/* ---------- 状态样式 ---------- */
.skeleton{
  background:linear-gradient(90deg,#F1ECE4 25%,#FAF7F2 37%,#F1ECE4 63%);
  background-size:400% 100%;
  animation:sk 1.4s ease infinite;
  border-radius:var(--r-sm);
  min-height:16px;
}
@keyframes sk{0%{background-position:100% 50%;}100%{background-position:0 50%;}}
.empty-state{
  border:1px dashed var(--line);
  border-radius:var(--r-lg);
  background:#FFFDFA;
  padding:36px 24px;
  text-align:center;
  color:var(--text-2);
  font-size:14px;
}
.empty-grid{
  width:52px;height:52px;margin:0 auto 14px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:4px;
}
.empty-grid i{border:1px solid var(--line);border-radius:3px;}
.error-note{
  border:1px solid rgba(229,72,77,.4);
  background:rgba(229,72,77,.06);
  color:#B3282D;
  border-radius:var(--r-sm);
  padding:12px 16px;
  font-size:14px;
}
.is-disabled{opacity:.55;pointer-events:none;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:var(--section);
  background:var(--ink);
  color:#C9C3BA;
  padding:52px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
}
@media (min-width:768px){
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:36px;}
}
@media (min-width:1024px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
}
.footer-col h4{
  color:#fff;
  font-size:15px;
  margin-bottom:16px;
  font-weight:700;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{color:#B8B2AA;font-size:14px;}
.footer-col a:hover{color:var(--primary);}
.footer-about{font-size:14px;line-height:1.8;color:#A9A39B;max-width:420px;margin-top:14px;}
.site-footer .brand{color:#fff;}
.site-footer .brand:hover{color:#fff;}
.site-footer .brand-mark{background:rgba(255,255,255,.10);}
.footer-cta p{font-size:14px;color:#A9A39B;margin-bottom:16px;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:8px 20px;
  justify-content:space-between;
  align-items:center;
  margin-top:40px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.10);
  font-size:13px;
  color:#8C867E;
}
.footer-bottom a{color:#8C867E;}

/* ---------- 动效 ---------- */
.js .reveal{opacity:0;transform:translateY(16px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.js .reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  .js .reveal{opacity:1;transform:none;}
}

/* roulang page: category4 */
:root{
  --brand:#F25C2A;
  --brand-dark:#D94A1E;
  --brand-soft:#FDF1EA;
  --teal:#00A896;
  --teal-soft:#E6F7F5;
  --ink:#141414;
  --bg:#FAF7F2;
  --card:#FFFFFF;
  --line:#E8E2D9;
  --text:#1C1B19;
  --muted:#6B665F;
  --weak:#9A948C;
  --ok:#12B76A;
  --warn:#F79009;
  --danger:#E5484D;
  --radius-lg:18px;
  --radius-md:14px;
  --radius-sm:12px;
  --shadow:0 1px 2px rgba(20,20,20,.04),0 12px 32px rgba(20,20,20,.06);
  --shadow-hover:0 16px 40px rgba(20,20,20,.10);
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","HarmonyOS Sans",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block;border-radius:var(--radius-md)}
a{color:var(--text);text-decoration:none;transition:color .15s var(--ease)}
a:hover{color:var(--brand);text-decoration:underline}
button{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:0;line-height:1.3}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 24px}}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:12px 24px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform .15s var(--ease),background .15s var(--ease),color .15s var(--ease),box-shadow .15s var(--ease),border-color .15s var(--ease);
}
.btn:hover{text-decoration:none}
.btn-primary{background:linear-gradient(135deg,#F25C2A,#F97A45);color:#fff;box-shadow:0 10px 24px rgba(242,92,42,.26)}
.btn-primary:hover{background:linear-gradient(135deg,#D94A1E,#E8632F);color:#fff;transform:translateY(-1px);box-shadow:0 14px 30px rgba(242,92,42,.30)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:var(--card);border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.btn-ghost:active{transform:scale(.98)}
.btn-plain{background:transparent;color:var(--brand);padding:10px 4px;min-height:44px;font-weight:700}
.btn-plain:hover{color:var(--brand-dark);text-decoration:underline}
.btn-sm{min-height:40px;padding:8px 16px;font-size:14px;border-radius:10px}
.btn-block{width:100%}
.btn-disabled{opacity:.5;pointer-events:none}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:rgba(250,247,242,.94);backdrop-filter:blur(10px);transition:box-shadow .22s var(--ease)}
.site-header.scrolled{box-shadow:0 12px 30px rgba(20,20,20,.10)}
.nav-shell{
  position:relative;display:flex;align-items:center;gap:14px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);padding:10px 12px;margin:14px 0;
}
.brand{display:inline-flex;align-items:center;gap:10px}
.brand-mark{
  display:grid;grid-template-columns:repeat(3,1fr);gap:2px;
  width:22px;height:22px;flex:none;
}
.brand-mark i{display:block;width:100%;height:100%;border-radius:2px;background:var(--brand)}
.brand-mark i:nth-child(2),.brand-mark i:nth-child(4),.brand-mark i:nth-child(6),.brand-mark i:nth-child(8){background:#F9A98A}
.brand-name{font-size:16px;font-weight:800;letter-spacing:.01em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;flex-wrap:wrap}
.nav-item{
  display:inline-flex;align-items:center;min-height:40px;padding:8px 14px;
  border-radius:12px;font-size:14px;font-weight:600;color:var(--muted);
  border:1px solid transparent;transition:all .15s var(--ease);
}
.nav-item:hover{background:var(--brand-soft);color:var(--brand);text-decoration:none;border-color:#F7DED1}
.nav-item.active{background:var(--brand);color:#fff;border-color:var(--brand);box-shadow:0 8px 20px rgba(242,92,42,.24)}
.nav-item.active:hover{background:var(--brand-dark);color:#fff}
.nav-cta{margin-left:8px;flex:none}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:var(--card);cursor:pointer;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .22s var(--ease),opacity .22s var(--ease)}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media (max-width:1023px){
  .nav-toggle{display:flex}
  .nav-links{
    position:absolute;left:0;right:0;top:calc(100% + 10px);margin-left:0;
    display:none;flex-direction:column;align-items:stretch;gap:8px;
    background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
    box-shadow:var(--shadow-hover);padding:14px;
  }
  .nav-links.open{display:flex}
  .nav-item{justify-content:space-between;min-height:46px;padding:12px 16px;font-size:15px;border:1px solid var(--line)}
  .nav-cta{margin:6px 0 0;width:100%}
  .nav-cta .btn{width:100%}
}

/* ============ 面包屑 ============ */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--weak)}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:#CFC8BE}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:44px 0 56px;
  background-image:linear-gradient(180deg,rgba(250,247,242,.94),rgba(250,247,242,.99)),url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.hero-grid{display:grid;grid-template-columns:1.35fr .95fr;gap:36px;align-items:start;margin-top:20px}
.hero h1{font-size:clamp(30px,4.4vw,44px);font-weight:900;margin:14px 0 16px}
.hero .lead{font-size:17px;color:var(--muted);max-width:620px;line-height:1.85}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0 26px}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;background:var(--card);border:1px solid var(--line);color:var(--muted);
}
.tag-brand{background:var(--brand-soft);border-color:#F7DED1;color:var(--brand-dark)}
.tag-teal{background:var(--teal-soft);border-color:#BFE9E4;color:#00796E}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);padding:22px;
}
.hero-panel h3{font-size:17px;margin-bottom:6px}
.hero-panel .panel-note{font-size:13.5px;color:var(--weak);margin-bottom:16px}
.panel-list{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden}
.panel-row{display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--card);padding:12px 14px}
.panel-row .k{font-size:13.5px;color:var(--muted)}
.panel-row .v{font-size:14px;font-weight:700;font-variant-numeric:tabular-nums}
.hero-panel .btn{margin-top:18px}
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:28px}
}

/* ============ 板块 ============ */
.section{padding:56px 0}
@media (min-width:1024px){.section{padding:96px 0}}
.section-alt{background:#F5F0E9}
.section-head{max-width:760px;margin-bottom:30px}
.section-head h2{font-size:clamp(24px,3.2vw,34px);font-weight:900;margin-bottom:12px}
.section-head p{color:var(--muted);font-size:16px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;
  letter-spacing:.08em;color:var(--brand);text-transform:uppercase;margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);border-radius:2px}

/* ============ 规格卡 ============ */
.spec-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.spec-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);padding:22px;transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.spec-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#F3D6C8}
.spec-icon{
  width:40px;height:40px;border-radius:12px;background:var(--brand-soft);color:var(--brand-dark);
  display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:800;margin-bottom:14px;
}
.spec-card h3{font-size:17px;margin-bottom:8px}
.spec-value{font-size:15px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--ink);margin-bottom:8px}
.spec-card p{font-size:14px;color:var(--muted)}
@media (max-width:1023px){.spec-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.spec-grid{grid-template-columns:1fr}}

/* ============ 表格卡 ============ */
.table-wrap{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow);overflow:hidden}
.table-title{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding:18px 22px;border-bottom:1px solid var(--line)}
.table-title h3{font-size:17px}
.table-title span{font-size:13px;color:var(--weak)}
table{width:100%;border-collapse:collapse}
thead th{
  background:#F6F1EA;text-align:left;font-size:12.5px;font-weight:700;letter-spacing:.05em;
  color:var(--muted);padding:13px 20px;border-bottom:1px solid var(--line);white-space:nowrap;
}
tbody td{padding:14px 20px;border-bottom:1px solid var(--line);font-size:14.5px;vertical-align:middle}
tbody tr:last-child td{border-bottom:none}
tbody tr{transition:background .15s var(--ease)}
tbody tr:hover{background:#FDF8F3}
td .val{font-weight:700;font-variant-numeric:tabular-nums}
.badge{
  display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;
  font-size:12px;font-weight:700;line-height:1.5;white-space:nowrap;
}
.badge-ok{background:#E6F7EE;color:#0A8F52}
.badge-warn{background:#FEF3E2;color:#B96A05}
.badge-danger{background:#FDECEC;color:#C2333A}
.badge-teal{background:var(--teal-soft);color:#00796E}
.badge-brand{background:var(--brand-soft);color:var(--brand-dark)}
@media (max-width:767px){
  thead{display:none}
  table,tbody,tr,td{display:block;width:100%}
  tbody tr{border-bottom:1px solid var(--line);padding:8px 0}
  tbody tr:last-child{border-bottom:none}
  tbody td{
    display:flex;align-items:center;justify-content:space-between;gap:14px;
    border-bottom:none;padding:8px 20px;font-size:14px;
  }
  tbody td::before{
    content:attr(data-label);color:var(--weak);font-size:12.5px;font-weight:600;flex:none;
  }
}

/* ============ 图文分栏 ============ */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center;margin-top:28px}
.split.reverse .split-media{order:2}
.split-body h3{font-size:22px;margin-bottom:12px}
.split-body p{color:var(--muted);font-size:15.5px}
.split-list{margin-top:18px;display:grid;gap:12px}
.split-list li{display:flex;gap:10px;font-size:14.5px;color:var(--muted)}
.split-list li b{color:var(--ink);font-weight:700}
.check{
  flex:none;width:20px;height:20px;border-radius:6px;background:var(--teal-soft);color:#00796E;
  font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;margin-top:4px;
}
.split-media img{box-shadow:var(--shadow);border-radius:var(--radius-lg);border:1px solid var(--line);width:100%}
@media (max-width:900px){
  .split{grid-template-columns:1fr;gap:24px}
  .split.reverse .split-media{order:0}
}

/* ============ 步骤时间线 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:22px;box-shadow:var(--shadow);transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.step-no{
  display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;
  border-radius:10px;background:var(--brand);color:#fff;font-weight:800;font-size:14px;
  font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.step h3{font-size:16.5px;margin-bottom:8px}
.step p{font-size:14px;color:var(--muted)}
@media (max-width:1023px){.steps{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.steps{grid-template-columns:1fr}}

/* ============ 问题列表 ============ */
.issue-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.issue{
  display:flex;gap:16px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-md);padding:20px;box-shadow:var(--shadow);
  border-left:3px solid var(--line);transition:border-color .22s var(--ease),transform .22s var(--ease)
}
.issue:hover{transform:translateY(-2px);border-left-color:var(--brand)}
.issue-body h3{font-size:16.5px;margin-bottom:8px}
.issue-body p{font-size:14px;color:var(--muted);margin-bottom:10px}
@media (max-width:767px){.issue-grid{grid-template-columns:1fr}}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  box-shadow:0 1px 2px rgba(20,20,20,.03);overflow:hidden;position:relative;
  transition:border-color .22s var(--ease)
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand);
  transform:scaleY(0);transform-origin:top;transition:transform .22s var(--ease)
}
.faq-item.open{border-color:#F3D6C8}
.faq-item.open::before{transform:scaleY(1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:none;text-align:left;cursor:pointer;
  padding:18px 22px;font-size:16px;font-weight:700;min-height:44px;
}
.faq-q:hover{color:var(--brand)}
.faq-icon{
  flex:none;width:26px;height:26px;border-radius:8px;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:15px;color:var(--muted);
  transition:transform .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease)
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--brand);border-color:var(--brand);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s var(--ease)}
.faq-a p{padding:0 22px 20px;font-size:14.5px;color:var(--muted);line-height:1.85}

/* ============ CTA 深色区块 ============ */
.cta-band{
  background:var(--ink);color:#fff;border-radius:var(--radius-lg);padding:44px;
  display:grid;grid-template-columns:1.2fr .8fr;gap:32px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-40px;bottom:-40px;width:220px;height:220px;
  background-image:radial-gradient(rgba(242,92,42,.55) 1.6px,transparent 1.6px);
  background-size:16px 16px;opacity:.5;pointer-events:none;
}
.cta-band h2{font-size:clamp(23px,3vw,32px);color:#fff;margin-bottom:12px}
.cta-band p{color:#C9C5BE;font-size:15.5px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.cta-band .btn-ghost{background:transparent;border-color:rgba(255,255,255,.28);color:#fff}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.08);border-color:#fff;color:#fff}
.cta-meta{display:grid;gap:10px;position:relative;z-index:1}
.cta-meta div{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-sm);padding:12px 16px;font-size:14px;
}
.cta-meta span:first-child{color:#B6B1AA}
.cta-meta span:last-child{font-weight:700;font-variant-numeric:tabular-nums}
@media (max-width:900px){
  .cta-band{grid-template-columns:1fr;padding:30px}
}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#CFCAC3;margin-top:0;padding:56px 0 26px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:32px}
.site-footer .brand-name{color:#fff}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px}
.site-footer ul{display:grid;gap:10px}
.site-footer a{color:#CFCAC3;font-size:14px}
.site-footer a:hover{color:var(--brand);text-decoration:none}
.footer-about{margin-top:16px;line-height:1.85;font-size:13.5px;color:#A9A49D;max-width:340px}
.footer-cta p{font-size:13.5px;color:#A9A49D;line-height:1.85;margin-bottom:16px}
.footer-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:#8E8981;
}
@media (max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:600px){
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:6px}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}