/* roulang page: index */
:root{
  --brand-dark:#0C2B26;
  --brand-dark-2:#123A32;
  --brand-orange:#FF6A2A;
  --brand-amber:#FFB020;
  --brand-lime:#C7F04A;
  --bg:#F5F7F3;
  --surface:#FFFFFF;
  --line:#E2E8E1;
  --text:#10201D;
  --muted:#5C7268;
  --on-dark:#EAF2EC;
  --grad:linear-gradient(135deg,#FF6A2A 0%,#FFB020 100%);
  --r-lg:24px;
  --r-md:20px;
  --r-sm:16px;
  --r-xs:12px;
  --shadow:0 4px 16px rgba(12,43,38,.06);
  --shadow-hover:0 18px 44px -18px rgba(12,43,38,.28);
  --bs-primary:#FF6A2A;
  --bs-primary-rgb:255,106,42;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --bs-body-color:#10201D;
  --bs-border-radius:16px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  font-weight:400;
}
img{max-width:100%;display:block}
a{color:var(--brand-dark);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-orange)}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;color:var(--text);line-height:1.35}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:3px solid var(--brand-dark);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;padding-left:24px;padding-right:24px}
.num{font-variant-numeric:tabular-nums}

/* ---------- 顶部信息条 ---------- */
.topline{background:var(--brand-dark);color:var(--on-dark);font-size:13px;height:36px;display:flex;align-items:center}
.topline .container{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%}
.topline a{color:var(--on-dark);opacity:.86}
.topline a:hover{color:var(--brand-lime);opacity:1}
.topline .top-left a+a{margin-left:20px}
.topline .top-right i{margin-right:6px;color:var(--brand-lime)}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(12,43,38,.97);backdrop-filter:blur(8px);box-shadow:0 6px 24px -14px rgba(12,43,38,.7)}
.nav-inner{display:flex;align-items:center;gap:28px;min-height:74px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{display:inline-flex;gap:3px;align-items:flex-end;height:26px}
.brand-mark i{display:block;width:6px;border-radius:2px;background-image:var(--grad)}
.brand-mark i:nth-child(1){height:14px}
.brand-mark i:nth-child(2){height:22px}
.brand-mark i:nth-child(3){height:18px;background:var(--brand-lime)}
.brand-text{font-size:19px;font-weight:800;color:#fff;letter-spacing:.01em}
.brand-text span{color:var(--brand-lime)}
.brand:hover .brand-text{color:#fff}

.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{position:relative;display:block;padding:10px 14px;font-size:15px;font-weight:600;color:rgba(234,242,236,.86);border-radius:999px}
.nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;border-radius:3px;background-image:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .22s ease}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:#fff}

.nav-mega{position:relative}
.mega-trigger{display:flex;align-items:center;gap:8px;padding:10px 16px;font-size:15px;font-weight:700;color:#fff;background:rgba(199,240,74,.12);border:1px solid rgba(199,240,74,.42);border-radius:999px;cursor:pointer;transition:background .2s ease}
.mega-trigger:hover{background:rgba(199,240,74,.22)}
.mega-trigger i{font-size:12px;transition:transform .24s ease}
.nav-mega:hover .mega-trigger i,.nav-mega:focus-within .mega-trigger i{transform:rotate(180deg)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);width:820px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-hover);padding:28px;display:grid;grid-template-columns:1fr 1fr 1.1fr;gap:26px;
  opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .16s ease,transform .16s ease,visibility .16s;
}
.nav-mega:hover .mega-panel,.nav-mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col h4{font-size:13px;letter-spacing:.08em;color:var(--muted);font-weight:700;margin-bottom:14px;text-transform:uppercase}
.mega-col ul li+li{margin-top:10px}
.mega-col ul a{font-size:15px;font-weight:600;color:var(--text);display:block;padding:4px 0}
.mega-col ul a:hover{color:var(--brand-orange);padding-left:4px}
.mega-mini{display:block;padding:12px 14px;border-radius:var(--r-xs);background:var(--bg);border:1px solid var(--line);margin-bottom:10px}
.mega-mini b{display:block;font-size:14px;font-weight:700;color:var(--text)}
.mega-mini em{font-style:normal;font-size:12px;color:var(--muted)}
.mega-mini:hover{background:#fff;border-color:#cfdacf}
.mega-card{border-radius:var(--r-md);padding:20px;background-image:var(--grad);color:#fff;display:flex;flex-direction:column;justify-content:space-between;min-height:150px}
.mega-card img{border-radius:var(--r-xs);margin-top:12px;aspect-ratio:16/10;object-fit:cover}
.mega-card strong{font-size:16px;font-weight:800}
.mega-card span{font-size:13px;opacity:.92}

.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-toggle{display:none;width:44px;height:44px;border-radius:14px;border:1px solid rgba(234,242,236,.3);background:transparent;color:#fff;font-size:18px;align-items:center;justify-content:center}
.nav-toggle:hover{background:rgba(255,255,255,.08)}

/* ---------- 按钮 ---------- */
.btn-grad,.btn-ghost,.btn-soft{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  border-radius:999px;font-weight:700;font-size:15px;text-align:center;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,filter .2s ease;
  cursor:pointer;border:0;
}
.btn-grad{background-image:var(--grad);color:#fff;padding:14px 30px;box-shadow:0 10px 24px -12px rgba(255,106,42,.85)}
.btn-grad:hover{color:#fff;filter:hue-rotate(6deg);transform:translateY(-2px);box-shadow:0 18px 34px -14px rgba(255,106,42,.9)}
.btn-ghost{background:transparent;color:var(--brand-dark);border:1.5px solid var(--brand-dark);padding:12px 26px}
.btn-ghost:hover{background:var(--brand-dark);color:var(--on-dark);transform:translateY(-2px)}
.btn-soft{background:#fff;color:var(--brand-dark);border:1px solid var(--line);padding:11px 24px}
.btn-soft:hover{border-color:var(--brand-orange);color:var(--brand-orange);transform:translateY(-2px)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-block{width:100%}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section-sm{padding:72px 0}
.section-tight{padding:56px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--brand-orange);text-transform:uppercase;margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:3px;background-image:var(--grad)}
.sec-head h2{position:relative;font-size:30px;padding-left:16px}
.sec-head h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:5px;border-radius:4px;background-image:var(--grad)}
.sec-head p{margin-top:14px;color:var(--muted);max-width:720px}
.sec-head{margin-bottom:44px}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:84px 0 96px;color:var(--on-dark);
  background-image:linear-gradient(115deg,rgba(12,43,38,.94) 0%,rgba(12,43,38,.88) 55%,rgba(18,58,50,.9) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;}
.hero::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 2px,transparent 2px 48px);pointer-events:none}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{font-size:44px;line-height:1.28;color:#fff}
.hero h1 em{font-style:normal;background-image:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{margin-top:20px;font-size:17px;color:rgba(234,242,236,.86);max-width:560px}
.hero-cta{margin-top:32px;display:flex;flex-wrap:wrap;gap:14px}
.hero-cta .btn-ghost{color:var(--on-dark);border-color:rgba(234,242,236,.5)}
.hero-cta .btn-ghost:hover{background:var(--on-dark);color:var(--brand-dark);border-color:var(--on-dark)}
.hero-chips{margin-top:34px;display:flex;flex-wrap:wrap;gap:12px}
.stat-chip{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--brand-lime);background:rgba(199,240,74,.08);color:var(--on-dark);border-radius:999px;padding:8px 18px;font-size:13px;font-weight:600}
.stat-chip b{color:var(--brand-lime);font-weight:800}
.hero-media{padding:6px;border-radius:28px;background-image:var(--grad);box-shadow:0 30px 60px -30px rgba(0,0,0,.7)}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:24px}

/* ---------- 业务板块 ---------- */
.biz-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px 32px}
.biz-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:32px;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;position:relative;overflow:hidden}
.biz-item:nth-child(even){transform:translateY(30px)}
.biz-item::after{content:"";position:absolute;inset:0;border-radius:var(--r-lg);pointer-events:none;background-image:var(--grad);opacity:0;transition:opacity .25s ease;mask:linear-gradient(#000,#000) content-box,linear-gradient(#000,#000);-webkit-mask-composite:xor;mask-composite:exclude;padding:1.5px}
.biz-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.biz-item:nth-child(even):hover{transform:translateY(26px)}
.biz-item:hover::after{opacity:.9}
.biz-num{display:block;font-size:40px;font-weight:800;line-height:1;color:transparent;background-image:var(--grad);-webkit-background-clip:text;background-clip:text;margin-bottom:14px}
.biz-item h3{font-size:20px;margin-bottom:10px}
.biz-item p{color:var(--muted);font-size:15px}

/* ---------- 数据带 ---------- */
.databand{background-image:var(--grad);color:#fff;padding:60px 0;position:relative;overflow:hidden}
.databand::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.06) 0 2px,transparent 2px 52px);pointer-events:none}
.databand .container{position:relative;z-index:2}
.band-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.band-item{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.34);border-radius:var(--r-md);padding:26px 24px;backdrop-filter:blur(2px)}
.band-item .num{font-size:46px;font-weight:800;line-height:1.1;letter-spacing:-.02em}
.band-item p{font-size:13px;margin-top:8px;opacity:.95}
.band-head{margin-bottom:36px}
.band-head h2{color:#fff;font-size:28px}
.band-head p{color:rgba(255,255,255,.92);margin-top:10px;max-width:640px}

/* ---------- 案例区 ---------- */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case-card{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.case-card.wide{grid-column:span 2}
.case-card img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease}
.case-card:hover img{transform:scale(1.03)}
.case-body{padding:24px 26px 28px}
.badge-cat{display:inline-block;font-size:12px;font-weight:700;color:var(--brand-dark);background:rgba(199,240,74,.4);border:1px solid var(--brand-lime);border-radius:999px;padding:4px 14px;margin-bottom:12px}
.case-body h3{font-size:19px;margin-bottom:10px}
.case-body p{color:var(--muted);font-size:14.5px}

/* ---------- 方案区 ---------- */
.plan-wrap{display:grid;grid-template-columns:300px 1fr;gap:32px;align-items:start}
.plan-tabs{display:flex;flex-direction:column;gap:12px}
.plan-tab{text-align:left;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:20px 22px;cursor:pointer;box-shadow:var(--shadow);transition:all .2s ease}
.plan-tab strong{display:block;font-size:16px;font-weight:800;color:var(--text)}
.plan-tab em{font-style:normal;font-size:13px;color:var(--muted)}
.plan-tab:hover{border-color:var(--brand-orange);transform:translateX(3px)}
.plan-tab.active{border-color:transparent;background-image:linear-gradient(135deg,rgba(255,106,42,.12),rgba(255,176,32,.12));box-shadow:var(--shadow-hover);border-left:5px solid var(--brand-orange)}
.plan-tab.active strong{color:var(--brand-dark)}
.plan-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:36px;box-shadow:var(--shadow)}
.plan-panel h3{font-size:22px;margin-bottom:14px}
.plan-panel p{color:var(--muted)}
.plan-list{margin-top:22px;display:grid;gap:12px}
.plan-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px}
.plan-list li i{color:var(--brand-orange);margin-top:6px}
.plan-note{margin-top:24px;padding:16px 20px;border-radius:var(--r-sm);background:var(--bg);border-left:4px solid var(--brand-lime);font-size:14px;color:var(--muted)}

/* ---------- 资讯 / CMS ---------- */
.news-card{display:flex;flex-direction:column;height:100%;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:24px;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#cfdacf;color:inherit}
.news-title{font-size:17px;font-weight:800;line-height:1.5;margin:10px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;color:var(--text)}
.news-sum{font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex:1}
.news-meta{display:flex;align-items:center;justify-content:space-between;margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);font-size:13px;color:var(--muted)}
.news-arrow{font-weight:700;color:var(--brand-orange)}
.news-empty{border:2px dashed #cfdacf;border-radius:var(--r-lg);padding:56px 24px;text-align:center;background:rgba(255,255,255,.6)}
.news-empty p{color:var(--muted);margin-bottom:18px}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:920px;margin:0 auto}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-sm);box-shadow:var(--shadow);overflow:hidden;position:relative;transition:box-shadow .22s ease}
.faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background-image:var(--grad);transform:scaleY(0);transform-origin:top;transition:transform .25s ease}
.faq-item[open]::before{transform:scaleY(1)}
.faq-item[open]{box-shadow:var(--shadow-hover)}
.faq-item summary{list-style:none;cursor:pointer;padding:22px 26px;font-size:17px;font-weight:700;display:flex;align-items:center;justify-content:space-between;gap:18px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i{color:var(--brand-orange);transition:transform .25s ease;flex:0 0 auto}
.faq-item[open] summary i{transform:rotate(180deg)}
.faq-item p{padding:0 26px 24px;color:var(--muted);font-size:15px}

/* ---------- 联系 ---------- */
.contact-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:start}
.contact-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:36px;box-shadow:var(--shadow)}
.form-label{font-size:14px;font-weight:700;margin-bottom:8px;display:block}
.form-control,.form-select{border-radius:var(--r-xs);border:1px solid var(--line);padding:13px 16px;font-size:15px;background:#fff;color:var(--text)}
.form-control:focus,.form-select:focus{border-color:var(--brand-orange);box-shadow:0 0 0 4px rgba(255,106,42,.15);outline:none}
.form-control::placeholder{color:#9aab a1;color:#9aaba1}
.form-row{margin-bottom:18px}
.contact-side{background-image:linear-gradient(150deg,#0C2B26 0%,#123A32 60%,#1c5245 100%);color:var(--on-dark);border-radius:var(--r-lg);padding:36px;box-shadow:var(--shadow-hover)}
.contact-side h3{color:#fff;font-size:22px}
.contact-side p{color:rgba(234,242,236,.82);margin-top:12px;font-size:15px}
.side-list{margin-top:26px;display:grid;gap:18px}
.side-list li{display:flex;gap:14px;align-items:flex-start;font-size:14.5px;color:rgba(234,242,236,.9)}
.side-list i{width:38px;height:38px;flex:0 0 auto;border-radius:12px;background:rgba(199,240,74,.14);border:1px solid rgba(199,240,74,.4);color:var(--brand-lime);display:flex;align-items:center;justify-content:center}
.side-list b{display:block;color:#fff;font-size:15px}
.contact-side img{margin-top:26px;border-radius:var(--r-sm);aspect-ratio:16/10;object-fit:cover}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-dark);color:var(--on-dark);padding:72px 0 0;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:34px;padding-bottom:48px}
.foot-brand .brand-text{font-size:20px}
.foot-brand p{margin-top:16px;font-size:14px;color:rgba(234,242,236,.72);max-width:320px}
.foot-tags{margin-top:18px;display:flex;flex-wrap:wrap;gap:8px}
.foot-tags span{font-size:12px;border:1px solid rgba(199,240,74,.45);color:var(--brand-lime);border-radius:999px;padding:4px 12px}
.foot-col h4{color:#fff;font-size:15px;margin-bottom:18px}
.foot-col ul li+li{margin-top:11px}
.foot-col a{color:rgba(234,242,236,.76);font-size:14px}
.foot-col a:hover{color:var(--brand-lime)}
.foot-sub p{font-size:14px;color:rgba(234,242,236,.72);margin-bottom:14px}
.foot-sub .form-control{background:rgba(255,255,255,.08);border-color:rgba(234,242,236,.25);color:#fff}
.foot-sub .form-control::placeholder{color:rgba(234,242,236,.5)}
.foot-bottom{border-top:1px solid rgba(234,242,236,.16);padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(234,242,236,.62)}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .hero h1{font-size:40px}
  .mega-panel{width:720px}
  .band-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991.98px){
  .topline{display:none}
  .nav-toggle{display:inline-flex}
  .nav-inner{min-height:66px;gap:16px}
  .nav-links{
    position:absolute;left:0;right:0;top:100%;background:var(--brand-dark);
    flex-direction:column;align-items:stretch;gap:2px;padding:14px 20px 22px;
    border-top:1px solid rgba(234,242,236,.14);display:none;max-height:78vh;overflow:auto;
  }
  .nav-links.open{display:flex}
  .nav-link{padding:13px 12px;border-radius:12px}
  .nav-link::after{display:none}
  .nav-mega{width:100%}
  .mega-trigger{width:100%;justify-content:space-between;border-radius:12px;background:rgba(199,240,74,.08)}
  .mega-panel{position:static;width:100%;opacity:1;visibility:visible;transform:none;display:none;box-shadow:none;border:0;border-radius:var(--r-sm);padding:18px;margin-top:8px;grid-template-columns:1fr;background:#0a231f}
  .nav-mega:hover .mega-panel,.nav-mega:focus-within .mega-panel{display:grid}
  .mega-col h4{color:rgba(234,242,236,.6)}
  .mega-col ul a{color:rgba(234,242,236,.9)}
  .mega-mini{background:rgba(255,255,255,.05);border-color:rgba(234,242,236,.16)}
  .mega-mini b{color:#fff}
  .mega-mini em{color:rgba(234,242,236,.6)}
  .nav-actions{margin-left:auto}
  .nav-actions .btn-grad{display:none}
  .hero{padding:60px 0 72px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:34px}
  .case-grid{grid-template-columns:repeat(2,1fr)}
  .case-card.wide{grid-column:span 2}
  .plan-wrap{grid-template-columns:1fr}
  .plan-tabs{flex-direction:row;overflow-x:auto;padding-bottom:6px}
  .plan-tab{min-width:220px}
  .contact-wrap{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:repeat(2,1fr)}
  .section{padding:72px 0}
  .section-sm{padding:60px 0}
  .sec-head h2{font-size:26px}
}
@media (max-width:767.98px){
  .container{padding-left:18px;padding-right:18px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:16px}
  .biz-grid{grid-template-columns:1fr}
  .biz-item:nth-child(even){transform:none}
  .biz-item:nth-child(even):hover{transform:translateY(-4px)}
  .band-grid{grid-template-columns:1fr 1fr;gap:16px}
  .band-item .num{font-size:34px}
  .case-grid{grid-template-columns:1fr}
  .case-card.wide{grid-column:span 1}
  .section{padding:56px 0}
  .section-sm{padding:48px 0}
  .sec-head h2{font-size:22px}
  .band-head h2{font-size:22px}
  .case-body{padding:20px}
  .contact-card,.plan-panel,.contact-side{padding:24px}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .brand-text{font-size:17px}
  .foot-bottom{flex-direction:column;gap:6px}
}
@media (max-width:520px){
  .hero h1{font-size:26px}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn-grad,.hero-cta .btn-ghost{width:100%}
  .band-grid{grid-template-columns:1fr}
  .faq-item summary{padding:18px 18px;font-size:15.5px}
  .faq-item p{padding:0 18px 20px}
}

/* roulang page: article */
:root{
  --ink:#0C2B26;
  --ink-deep:#08201C;
  --ink-text:#10201D;
  --muted:#5C7268;
  --bg:#F5F7F3;
  --card:#FFFFFF;
  --line:#E2E8E1;
  --orange:#FF6A2A;
  --amber:#FFB020;
  --lime:#C7F04A;
  --grad:linear-gradient(135deg,#FF6A2A 0%,#FFB020 100%);
  --grad-soft:linear-gradient(135deg,rgba(255,106,42,.12),rgba(255,176,32,.12));
  --r-xl:24px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh:0 4px 16px rgba(12,43,38,.06);
  --sh-h:0 18px 44px -18px rgba(12,43,38,.28);
  --bs-primary:#FF6A2A;
  --bs-body-bg:#F5F7F3;
  --bs-body-color:#10201D;
  --bs-border-color:#E2E8E1;
  --bs-border-radius:16px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--ink);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--orange)}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.01em;color:var(--ink);margin:0}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;width:100%}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(12,43,38,.55);outline-offset:2px}

/* ---------- 顶部信息条 ---------- */
.topline{background:var(--ink);color:#EAF2EC;font-size:13px;height:36px;display:flex;align-items:center}
.topline .container{display:flex;justify-content:space-between;align-items:center;gap:16px}
.top-left{display:flex;gap:22px}
.top-left a{color:rgba(234,242,236,.82);font-size:13px}
.top-left a:hover{color:var(--lime)}
.top-right{color:rgba(234,242,236,.72);font-size:13px;display:flex;align-items:center;gap:8px}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.mainnav{padding:10px 0}
.nav-inner{display:flex;align-items:center;gap:18px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{display:flex;gap:3px;align-items:flex-end;height:26px}
.brand-mark i{display:block;width:7px;border-radius:3px;background:var(--grad)}
.brand-mark i:nth-child(1){height:14px}
.brand-mark i:nth-child(2){height:20px}
.brand-mark i:nth-child(3){height:26px}
.brand-text{font-size:20px;font-weight:800;color:var(--ink);letter-spacing:-.02em}
.brand-text span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;margin-left:2px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{position:relative;padding:10px 14px;border-radius:var(--r-pill);font-size:15px;font-weight:500;color:#2A423C;white-space:nowrap}
.nav-link:hover{background:#EFF3EE;color:var(--ink)}
.nav-link.active{color:var(--ink);font-weight:800}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;border-radius:2px;background:var(--grad)}
.nav-toggle{display:none;margin-left:auto;background:var(--ink);color:#fff;border:0;border-radius:var(--r-sm);padding:9px 13px;font-size:16px}
.nav-toggle:hover{background:#123A33}

/* Mega 面板 */
.nav-mega{position:relative}
.mega-trigger{background:var(--grad);color:#fff;border:0;border-radius:var(--r-pill);padding:9px 18px;font-size:14px;font-weight:700;display:flex;align-items:center;gap:8px;transition:transform .2s ease,box-shadow .2s ease}
.mega-trigger:hover{transform:translateY(-2px);box-shadow:0 12px 26px -12px rgba(255,106,42,.75)}
.mega-trigger i{font-size:11px;transition:transform .2s ease}
.nav-mega.open .mega-trigger i{transform:rotate(180deg)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);width:820px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--sh-h);padding:26px;display:grid;grid-template-columns:1.1fr 1.2fr 1fr;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(8px);transition:all .16s ease;
}
.nav-mega.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col h4{font-size:14px;color:var(--muted);letter-spacing:.06em;margin-bottom:14px;font-weight:800}
.mega-col ul li{margin-bottom:6px}
.mega-col ul a{font-size:14px;color:#2A423C;display:block;padding:7px 10px;border-radius:10px}
.mega-col ul a:hover{background:#EFF3EE;color:var(--ink)}
.mega-mini{display:block;padding:12px 14px;border-radius:var(--r-md);border:1px solid var(--line);margin-bottom:10px;transition:all .2s ease}
.mega-mini:hover{border-color:transparent;background:var(--grad-soft);transform:translateX(3px)}
.mega-mini b{display:block;font-size:14px;color:var(--ink)}
.mega-mini em{font-style:normal;font-size:12px;color:var(--muted)}
.mega-card{border-radius:var(--r-md);padding:18px;background:var(--ink);color:#EAF2EC;position:relative;overflow:hidden}
.mega-card::after{content:"";position:absolute;inset:auto -30px -40px auto;width:130px;height:130px;border-radius:50%;background:var(--grad);opacity:.35}
.mega-card b{display:block;font-size:15px;margin-bottom:6px}
.mega-card em{font-style:normal;font-size:12px;color:rgba(234,242,236,.75);display:block;margin-bottom:14px}
.mega-card span{font-size:13px;font-weight:700;color:var(--lime)}

/* ---------- 面包屑 ---------- */
.crumb-wrap{padding:22px 0 0}
.crumb{display:inline-flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);padding:8px 18px;font-size:13px;color:var(--muted);box-shadow:var(--sh)}
.crumb a{color:var(--muted);font-size:13px}
.crumb a:hover{color:var(--orange)}
.crumb i{font-size:10px;opacity:.6}
.crumb .current{color:var(--ink);font-weight:700;max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:inline-block;vertical-align:bottom}

/* ---------- 文章头 ---------- */
.article-head{padding:28px 0 0}
.head-panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);padding:34px 38px;box-shadow:var(--sh)}
.cat-line{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.badge-cat{display:inline-flex;align-items:center;gap:6px;background:var(--grad);color:#fff;font-size:13px;font-weight:700;padding:6px 16px;border-radius:var(--r-pill)}
.badge-outline{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--lime);color:var(--ink);font-size:12px;font-weight:700;padding:5px 14px;border-radius:var(--r-pill);background:rgba(199,240,74,.16)}
.article-head h1{font-size:34px;line-height:1.4;margin-bottom:18px}
.meta-row{display:flex;flex-wrap:wrap;gap:20px;font-size:13px;color:var(--muted);border-top:1px dashed var(--line);padding-top:16px}
.meta-row span{display:inline-flex;align-items:center;gap:7px}
.meta-row i{color:var(--orange)}
.feature-img{margin-top:26px;border-radius:var(--r-md);overflow:hidden;position:relative}
.feature-img img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s ease}
.feature-img:hover img{transform:scale(1.03)}
.feature-img figcaption{font-size:13px;color:var(--muted);padding:10px 4px 0}

/* ---------- 正文布局 ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:32px;padding:32px 0 8px;align-items:start}
.article-main{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);padding:40px 44px;box-shadow:var(--sh)}
.article-body{max-width:760px;margin:0 auto;font-size:16px;line-height:1.9;color:#22322E}
.article-body p{margin:0 0 1.2em}
.article-body h2{font-size:26px;margin:2em 0 .8em;padding-left:16px;position:relative;line-height:1.45}
.article-body h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:5px;border-radius:3px;background:var(--grad)}
.article-body h3{font-size:20px;margin:1.6em 0 .6em}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:0}
.article-body ul li{position:relative;padding-left:24px;margin-bottom:10px;line-height:1.9}
.article-body ul li::before{content:"";position:absolute;left:4px;top:12px;width:8px;height:8px;border-radius:3px;background:var(--grad)}
.article-body ol{counter-reset:item;list-style:none}
.article-body ol li{position:relative;padding-left:34px;margin-bottom:12px;counter-increment:item}
.article-body ol li::before{content:counter(item);position:absolute;left:0;top:5px;width:22px;height:22px;border-radius:50%;background:var(--ink);color:#fff;font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center}
.article-body blockquote{margin:1.6em 0;padding:18px 22px;background:#F3F7F2;border-left:4px solid transparent;border-image:var(--grad) 1;border-radius:0 var(--r-sm) var(--r-sm) 0;color:#2A423C}
.article-body img{border-radius:var(--r-md);margin:1.4em 0 .5em}
.article-body figure{margin:1.6em 0}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;border-radius:var(--r-sm);overflow:hidden}
.article-body thead th{background:#EFF3EE;color:var(--ink);font-weight:800}
.article-body th,.article-body td{padding:12px 14px;text-align:left;border:0}
.article-body tbody tr:nth-child(odd){background:#FAFBF9}
.article-body tbody tr:nth-child(even){background:#F1F5F0}
.article-body a{color:var(--ink);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px}
.article-body a:hover{color:var(--orange)}
.article-body strong{color:var(--ink)}

.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:34px;padding-top:24px;border-top:1px solid var(--line)}
.tag-row .label{font-size:13px;color:var(--muted);margin-right:4px}
.tag{display:inline-flex;align-items:center;gap:6px;background:#F1F5F0;border:1px solid var(--line);color:#2A423C;font-size:13px;padding:6px 15px;border-radius:var(--r-pill);transition:all .2s ease}
.tag:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.back-line{margin-top:24px}
.btn-ghost{display:inline-flex;align-items:center;gap:10px;border:2px solid var(--ink);color:var(--ink);background:transparent;border-radius:var(--r-pill);padding:11px 24px;font-size:14px;font-weight:700;transition:all .2s ease}
.btn-ghost:hover{background:var(--ink);color:#fff}

/* 空态 */
.empty-state{border:2px dashed var(--line);border-radius:var(--r-lg);padding:56px 28px;text-align:center;background:#FAFBF9}
.empty-state i{font-size:34px;color:#B9C6BE;margin-bottom:16px;display:block}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:22px}
.btn-grad{display:inline-flex;align-items:center;justify-content:center;gap:9px;background:var(--grad);color:#fff;border:0;border-radius:var(--r-pill);padding:13px 30px;font-size:15px;font-weight:700;transition:all .22s ease;box-shadow:0 10px 24px -14px rgba(255,106,42,.85)}
.btn-grad:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 32px -16px rgba(255,106,42,.95);filter:hue-rotate(-6deg)}
.btn-grad.btn-block{width:100%}

/* 侧栏 */
.sidebar{display:flex;flex-direction:column;gap:22px;position:sticky;top:100px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh)}
.side-card h3{font-size:17px;margin-bottom:16px;display:flex;align-items:center;gap:9px}
.side-card h3::before{content:"";width:5px;height:18px;border-radius:3px;background:var(--grad)}
.hot-list li{padding:11px 0;border-bottom:1px dashed var(--line);display:flex;gap:10px;align-items:flex-start}
.hot-list li:last-child{border-bottom:0;padding-bottom:0}
.hot-list .num{flex:0 0 auto;width:22px;height:22px;border-radius:7px;background:#EFF3EE;color:var(--ink);font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;margin-top:4px}
.hot-list .num.top{background:var(--grad);color:#fff}
.hot-list a{font-size:14px;line-height:1.6;color:#2A423C}
.hot-list a:hover{color:var(--orange)}
.side-cta{background:var(--ink);color:#EAF2EC;border-radius:var(--r-lg);padding:26px;position:relative;overflow:hidden}
.side-cta::after{content:"";position:absolute;right:-40px;top:-40px;width:150px;height:150px;border-radius:50%;background:var(--grad);opacity:.28}
.side-cta h3{color:#fff;font-size:18px;margin-bottom:10px;position:relative;z-index:1}
.side-cta p{font-size:14px;color:rgba(234,242,236,.8);margin-bottom:18px;position:relative;z-index:1;line-height:1.75}
.side-cta .btn-grad{width:100%;position:relative;z-index:1}

/* ---------- 相关推荐 ---------- */
.related{padding:64px 0 8px}
.section-head{margin-bottom:28px}
.section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--orange);letter-spacing:.06em;margin-bottom:10px}
.section-head h2{font-size:30px;position:relative;padding-left:18px}
.section-head h2::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:6px;border-radius:4px;background:var(--grad)}
.section-head p{color:var(--muted);font-size:15px;margin-top:10px}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh);transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;display:flex;flex-direction:column}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:transparent}
.post-card .thumb{overflow:hidden;aspect-ratio:16/10}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.post-card:hover .thumb img{transform:scale(1.03)}
.post-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-card .body h3{font-size:17px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card .body p{font-size:14px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card .foot{margin-top:auto;display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted);padding-top:12px;border-top:1px dashed var(--line)}
.post-card .foot i{color:var(--orange)}

/* ---------- CTA ---------- */
.cta-band{margin:72px 0 0;padding:56px 0;background:var(--ink);position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;opacity:.13}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.35fr .65fr;gap:36px;align-items:center}
.cta-inner h2{color:#fff;font-size:30px;margin-bottom:14px}
.cta-inner p{color:rgba(234,242,236,.82);font-size:15px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px}
.btn-light{display:inline-flex;align-items:center;gap:9px;background:#fff;color:var(--ink);border-radius:var(--r-pill);padding:12px 26px;font-size:15px;font-weight:700;transition:all .2s ease}
.btn-light:hover{color:var(--ink);transform:translateY(-2px);box-shadow:0 16px 32px -18px rgba(0,0,0,.6)}
.cta-stats{display:flex;flex-direction:column;gap:14px}
.cta-stat{border:1px solid rgba(199,240,74,.45);border-radius:var(--r-md);padding:16px 18px;background:rgba(255,255,255,.05)}
.cta-stat b{display:block;font-size:30px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;line-height:1.2}
.cta-stat span{font-size:13px;color:rgba(234,242,236,.75)}

/* ---------- FAQ ---------- */
.faq-section{padding:72px 0 0}
.faq-list{display:grid;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item.open{border-color:transparent;box-shadow:var(--sh-h);position:relative}
.faq-item.open::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad)}
.faq-q{width:100%;background:transparent;border:0;text-align:left;padding:20px 24px;font-size:16px;font-weight:700;color:var(--ink);display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq-q i{color:var(--orange);transition:transform .25s ease;flex:0 0 auto}
.faq-item.open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 24px 20px;font-size:15px;color:var(--muted);line-height:1.85}
.faq-item.open .faq-a{max-height:320px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-deep);color:#EAF2EC;padding:64px 0 26px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:38px}
.foot-brand .brand-text{color:#fff}
.foot-brand p{font-size:14px;color:rgba(234,242,236,.75);margin:16px 0 18px;line-height:1.8}
.foot-tags{display:flex;flex-wrap:wrap;gap:8px}
.foot-tags span{font-size:12px;border:1px solid rgba(199,240,74,.4);color:#DDF3A6;border-radius:var(--r-pill);padding:5px 13px}
.foot-col h4{color:#fff;font-size:16px;margin-bottom:18px}
.foot-col ul li{margin-bottom:10px}
.foot-col ul a{color:rgba(234,242,236,.75);font-size:14px}
.foot-col ul a:hover{color:var(--lime)}
.foot-sub p{font-size:14px;color:rgba(234,242,236,.75);margin-bottom:14px}
.form-label{display:block;font-size:13px;margin-bottom:7px}
.form-control{width:100%;background:rgba(255,255,255,.07);border:1px solid rgba(234,242,236,.22);border-radius:var(--r-sm);color:#fff;padding:12px 14px;font-size:14px;transition:all .2s ease}
.form-control::placeholder{color:rgba(234,242,236,.45)}
.form-control:focus{outline:0;border-color:var(--orange);box-shadow:0 0 0 4px rgba(255,106,42,.18);background:rgba(255,255,255,.1)}
.foot-bottom{margin-top:44px;padding-top:22px;border-top:1px solid rgba(234,242,236,.14);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:rgba(234,242,236,.6)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:1fr}
  .sidebar{position:static;flex-direction:row;flex-wrap:wrap}
  .sidebar>*{flex:1 1 280px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:991px){
  .topline{display:none}
  .nav-toggle{display:block}
  .nav-links{position:absolute;left:24px;right:24px;top:calc(100% + 8px);background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-h);flex-direction:column;align-items:stretch;padding:14px;gap:4px;display:none}
  .nav-links.show{display:flex}
  .nav-link{padding:12px 14px;border-radius:var(--r-sm)}
  .nav-link.active::after{display:none}
  .nav-link.active{background:#EFF3EE}
  .nav-mega{width:100%}
  .mega-trigger{width:100%;justify-content:space-between;border-radius:var(--r-sm);margin-top:6px}
  .mega-panel{position:static;width:100%;opacity:1;visibility:visible;transform:none;display:none;box-shadow:none;border-radius:var(--r-md);padding:16px;grid-template-columns:1fr;margin-top:8px}
  .nav-mega.open .mega-panel{display:grid}
  .mainnav{position:relative}
  .article-head h1{font-size:30px}
  .head-panel{padding:26px 24px}
  .article-main{padding:28px 22px}
  .section-head h2{font-size:26px}
  .cta-inner{grid-template-columns:1fr}
  .cta-inner h2{font-size:26px}
}
@media (max-width:767px){
  .container{padding-left:18px;padding-right:18px}
  .article-head h1{font-size:26px}
  .article-body h2{font-size:22px}
  .card-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:30px}
  .crumb{font-size:12px;padding:7px 14px}
  .crumb .current{max-width:180px}
  .cta-band{padding:44px 0}
  .faq-section,.related{padding-top:52px}
  .cta-actions .btn-grad,.cta-actions .btn-light{width:100%;justify-content:center}
}

/* roulang page: category1 */
:root{
  --ink:#0C2B26;
  --ink-2:#123A33;
  --orange:#FF6A2A;
  --amber:#FFB020;
  --lime:#C7F04A;
  --bg:#F5F7F3;
  --card:#FFFFFF;
  --line:#E2E8E1;
  --text:#10201D;
  --muted:#5C7268;
  --inv:#EAF2EC;
  --grad:linear-gradient(135deg,#FF6A2A 0%,#FFB020 100%);
  --grad-soft:linear-gradient(135deg,rgba(255,106,42,.12),rgba(255,176,32,.12));
  --r-xl:24px;
  --r-lg:20px;
  --r-img:16px;
  --r-sm:12px;
  --sh:0 4px 16px rgba(12,43,38,.06);
  --sh-h:0 18px 44px -18px rgba(12,43,38,.28);
  --max:1200px;
  --bs-primary:#FF6A2A;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --bs-border-radius:16px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .18s ease}
a:hover{color:var(--orange)}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;color:var(--ink);line-height:1.3}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(12,43,38,.7);outline-offset:2px;border-radius:8px}

.container{
  width:100%;
  max-width:var(--max);
  margin:0 auto;
  padding:0 24px;
}

/* ---------- 顶部信息条 ---------- */
.topline{
  height:36px;
  background:var(--ink);
  color:var(--inv);
  font-size:13px;
  display:flex;
  align-items:center;
}
.topline .container{display:flex;align-items:center;justify-content:space-between;gap:16px}
.top-left{display:flex;align-items:center;gap:22px}
.top-left a{color:rgba(234,242,236,.82)}
.top-left a:hover{color:var(--lime)}
.top-right{display:flex;align-items:center;gap:8px;color:rgba(234,242,236,.72)}
.top-right i{color:var(--lime)}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:1000;background:#fff;box-shadow:0 2px 14px rgba(12,43,38,.07)}
.mainnav{background:#fff;border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;gap:24px;min-height:74px;position:relative}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;flex:0 0 auto}
.brand-mark{display:flex;align-items:flex-end;gap:3px;height:26px}
.brand-mark i{display:block;width:6px;border-radius:3px;background:var(--grad)}
.brand-mark i:nth-child(1){height:13px}
.brand-mark i:nth-child(2){height:19px}
.brand-mark i:nth-child(3){height:26px}
.brand-text{font-size:20px;color:var(--ink);letter-spacing:-.02em;white-space:nowrap}
.brand-text span{color:var(--orange)}

.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  padding:10px 14px;
  font-size:15px;
  font-weight:500;
  color:#2c433c;
  border-radius:999px;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:3px;border-radius:3px;
  background:var(--grad);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .2s ease;
}
.nav-link:hover{color:var(--ink);background:#F3F7F1}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--ink);font-weight:700}

.nav-toggle{
  display:none;
  margin-left:auto;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  color:var(--ink);
  font-size:18px;
  cursor:pointer;
}

/* Mega 面板 */
.nav-mega{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;margin-left:8px;
  border:0;border-radius:999px;
  background:var(--ink);
  color:var(--inv);
  font-size:14px;font-weight:600;cursor:pointer;
  transition:background .2s ease,transform .2s ease;
}
.mega-trigger i{font-size:11px;transition:transform .2s ease}
.mega-trigger:hover{background:var(--ink-2)}
.mega-panel{
  position:absolute;
  top:calc(100% + 16px);
  right:0;
  width:860px;
  max-width:88vw;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  box-shadow:0 30px 60px -28px rgba(12,43,38,.35);
  padding:26px;
  display:grid;
  grid-template-columns:1fr 1fr 260px;
  gap:24px;
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity .16s ease,transform .16s ease,visibility .16s;
}
.nav-mega:hover .mega-panel,
.nav-mega:focus-within .mega-panel,
.nav-mega.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.nav-mega:hover .mega-trigger i,
.nav-mega.open .mega-trigger i{transform:rotate(180deg)}
.mega-col h4{
  font-size:13px;
  letter-spacing:.08em;
  color:var(--muted);
  text-transform:uppercase;
  margin-bottom:12px;
}
.mega-col ul{display:flex;flex-direction:column;gap:9px}
.mega-col ul a{font-size:14.5px;color:#2c433c}
.mega-col ul a:hover{color:var(--orange);padding-left:4px}
.mega-mini{
  display:flex;flex-direction:column;gap:2px;
  padding:11px 14px;margin-bottom:10px;
  border-radius:14px;
  background:#F6F9F4;
  border:1px solid transparent;
  transition:.18s ease;
}
.mega-mini b{font-size:14.5px;color:var(--ink)}
.mega-mini em{font-style:normal;font-size:12.5px;color:var(--muted)}
.mega-mini:hover{background:#fff;border-color:var(--line);box-shadow:var(--sh);transform:translateY(-2px)}
.mega-card{
  display:block;
  border-radius:var(--r-lg);
  overflow:hidden;
  background:var(--ink);
  color:var(--inv);
  box-shadow:var(--sh);
  transition:.2s ease;
}
.mega-card img{width:100%;aspect-ratio:16/10;object-fit:cover;opacity:.85}
.mega-card-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:6px}
.mega-card-body strong{font-size:15.5px;color:#fff}
.mega-card-body span{font-size:13px;color:rgba(234,242,236,.75)}
.mega-card-body i{color:var(--lime);font-size:13px;margin-top:2px}
.mega-card:hover{transform:translateY(-3px);box-shadow:var(--sh-h)}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:18px 0 0}
.crumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  background:#EDF1EA;
  border-radius:999px;
  padding:9px 20px;
  font-size:13.5px;
  color:var(--muted);
  width:fit-content;
  max-width:100%;
}
.crumb a{color:#37544b}
.crumb a:hover{color:var(--orange)}
.crumb i{font-size:10px;color:#9BAFA5}
.crumb .cur{color:var(--ink);font-weight:600}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;
  margin-top:18px;
  border-radius:var(--r-xl);
  overflow:hidden;
  background-image:linear-gradient(115deg,rgba(12,43,38,.94) 0%,rgba(12,43,38,.82) 45%,rgba(12,43,38,.55) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  color:var(--inv);
  padding:64px 0 60px;
}
.cat-hero::after{
  content:"";
  position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.06) 0 2px,transparent 2px 26px);
  pointer-events:none;
}
.cat-hero .container{position:relative;z-index:2}
.cat-hero h1{
  font-size:44px;
  color:#fff;
  line-height:1.26;
  max-width:900px;
}
.cat-hero h1 em{font-style:normal;color:var(--lime)}
.cat-hero .hero-sub{
  margin-top:18px;
  font-size:18px;
  line-height:1.8;
  color:rgba(234,242,236,.86);
  max-width:760px;
}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.stat-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 18px;
  border-radius:999px;
  border:1px solid var(--lime);
  background:rgba(199,240,74,.08);
  font-size:13.5px;
  color:#EAF2EC;
}
.stat-badge b{color:#fff;font-size:16px;font-weight:800}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}

/* ---------- 按钮 ---------- */
.btn-grad,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 30px;
  border-radius:999px;
  font-size:15.5px;font-weight:700;
  cursor:pointer;
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.btn-grad{
  background:var(--grad);
  color:#fff;
  box-shadow:0 10px 26px -12px rgba(255,106,42,.75);
}
.btn-grad:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px -12px rgba(255,106,42,.85);filter:hue-rotate(-6deg)}
.btn-ghost{
  border-color:rgba(234,242,236,.55);
  color:#fff;
  background:transparent;
}
.btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff;transform:translateY(-2px)}
.btn-ghost-dark{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 30px;border-radius:999px;
  font-size:15.5px;font-weight:700;
  border:1.5px solid var(--ink);
  color:var(--ink);background:transparent;cursor:pointer;
  transition:.2s ease;
}
.btn-ghost-dark:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-block{width:100%}

/* ---------- 通用区块 ---------- */
.section{padding:96px 0}
.section.tight{padding:72px 0}
.section-head{max-width:780px;margin-bottom:44px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.1em;
  color:var(--orange);
  margin-bottom:12px;
}
.section-head h2{
  font-size:30px;
  position:relative;
  padding-left:18px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:6px;border-radius:6px;background:var(--grad);
}
.section-head p{margin-top:14px;color:var(--muted);font-size:16.5px}

/* ---------- 数据带 ---------- */
.databand{
  background:var(--grad);
  border-radius:var(--r-xl);
  padding:44px 32px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  color:#fff;
  box-shadow:0 22px 48px -26px rgba(255,106,42,.8);
}
.databand .num{font-size:46px;font-weight:800;line-height:1.1;color:#fff}
.databand .lbl{font-size:13.5px;color:rgba(255,255,255,.92);margin-top:6px}

/* ---------- 锚点 + 长内容布局 ---------- */
.cat-layout{display:grid;grid-template-columns:264px 1fr;gap:44px;align-items:start}
.anchor-nav{
  position:sticky;top:110px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:24px 22px;
  box-shadow:var(--sh);
}
.anchor-title{font-size:15px;color:var(--ink);margin-bottom:14px;padding-bottom:12px;border-bottom:1px dashed var(--line)}
.anchor-nav ul{display:flex;flex-direction:column;gap:4px}
.anchor-nav a{
  display:flex;align-items:center;gap:10px;
  padding:9px 12px;
  border-radius:12px;
  font-size:14.5px;
  color:#37544b;
  transition:.18s ease;
}
.anchor-nav a::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:#C6D4CB;flex:0 0 auto;transition:.18s ease;
}
.anchor-nav a:hover{background:#F3F7F1;color:var(--ink)}
.anchor-nav a:hover::before{background:var(--orange);transform:scale(1.3)}
.anchor-cta{
  margin-top:20px;padding:18px;
  border-radius:16px;
  background:var(--ink);
  color:var(--inv);
}
.anchor-cta strong{display:block;font-size:15px;color:#fff;margin-bottom:6px}
.anchor-cta p{font-size:13px;color:rgba(234,242,236,.78);margin-bottom:14px}
.anchor-cta .btn-grad{padding:11px 20px;font-size:14px;width:100%}

.cat-body{display:flex;flex-direction:column;gap:38px}
.block{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:36px 38px;
  box-shadow:var(--sh);
  scroll-margin-top:110px;
  transition:box-shadow .25s ease,transform .25s ease;
}
.block:hover{box-shadow:var(--sh-h);transform:translateY(-3px)}
.block h2{
  font-size:24px;
  position:relative;
  padding-left:16px;
  margin-bottom:16px;
}
.block h2::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:5px;border-radius:5px;background:var(--grad);
}
.block p{color:#31504a;font-size:16px;line-height:1.9}
.block p + p{margin-top:14px}
.badge-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;
  border-radius:999px;
  border:1px solid var(--lime);
  background:rgba(199,240,74,.14);
  font-size:13.5px;
  font-weight:600;
  color:#254038;
}
.chip i{color:var(--orange);font-size:12px}
.chip.dark{
  border-color:rgba(255,255,255,.25);
  background:var(--ink);
  color:var(--inv);
}
.chip.dark i{color:var(--lime)}

.figure{margin:24px 0 0;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line)}
.figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.figure figcaption{font-size:13px;color:var(--muted);padding:12px 16px;background:#F6F9F4}

/* ---------- 场景卡 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.scene-card{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:30px 28px;
  box-shadow:var(--sh);
  overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.scene-card::before{
  content:"";position:absolute;left:0;top:0;right:0;height:5px;background:var(--grad);opacity:0;transition:.25s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:transparent}
.scene-card:hover::before{opacity:1}
.scene-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:14px;
  background:var(--grad-soft);
  color:var(--orange);
  font-size:18px;font-weight:800;
  margin-bottom:16px;
}
.scene-card h3{font-size:19px;margin-bottom:10px}
.scene-card p{font-size:15px;color:var(--muted);line-height:1.85}
.scene-card ul{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.scene-card ul li{display:flex;gap:9px;font-size:14px;color:#37544b}
.scene-card ul li i{color:var(--orange);font-size:12px;margin-top:8px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-acc .accordion-item{
  position:relative;
  border:0;
  border-radius:16px;
  background:#fff;
  box-shadow:var(--sh);
  margin-bottom:16px;
  overflow:hidden;
}
.faq-acc .accordion-button{
  position:relative;
  background:#fff;
  border:0;
  box-shadow:none;
  padding:22px 56px 22px 26px;
  font-size:17px;
  font-weight:700;
  color:var(--ink);
  border-radius:16px;
}
.faq-acc .accordion-button::after{
  content:"\f078";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  font-size:13px;
  color:var(--orange);
  background-image:none;
  display:flex;align-items:center;justify-content:center;
  width:30px;height:30px;
  border-radius:50%;
  background:var(--grad-soft);
  transition:transform .22s ease;
}
.faq-acc .accordion-button::before{
  content:"";
  position:absolute;left:0;top:16px;bottom:16px;width:4px;border-radius:0 4px 4px 0;
  background:var(--grad);opacity:0;transition:opacity .22s ease;
}
.faq-acc .accordion-button:not(.collapsed){color:var(--ink);background:#F7FAF4}
.faq-acc .accordion-button:not(.collapsed)::before{opacity:1}
.faq-acc .accordion-button:not(.collapsed)::after{transform:rotate(180deg)}
.faq-acc .accordion-button:focus{box-shadow:none;border-color:transparent}
.faq-acc .accordion-body{padding:0 26px 24px 30px;font-size:15.5px;color:#37544b;line-height:1.9}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;
  border-radius:var(--r-xl);
  overflow:hidden;
  background-image:linear-gradient(120deg,rgba(12,43,38,.95),rgba(12,43,38,.78)),url("/assets/images/backpic/back-3.webp");
  background-size:cover;
  background-position:center;
  color:var(--inv);
  padding:56px 48px;
  display:grid;
  grid-template-columns:1.25fr .9fr;
  gap:40px;
  align-items:center;
}
.cta-card h2{color:#fff;font-size:30px;line-height:1.35}
.cta-card p{margin-top:14px;color:rgba(234,242,236,.86);font-size:16px}
.cta-card .hero-actions{margin-top:26px}
.cta-form{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(234,242,236,.2);
  border-radius:var(--r-lg);
  padding:28px;
  backdrop-filter:blur(2px);
}
.cta-form h3{color:#fff;font-size:18px;margin-bottom:6px}
.cta-form p{font-size:13.5px;color:rgba(234,242,236,.75);margin-bottom:18px}
.form-label{display:block;font-size:13px;color:rgba(234,242,236,.8);margin-bottom:7px}
.form-control{
  width:100%;
  padding:13px 16px;
  border-radius:var(--r-sm);
  border:1px solid rgba(234,242,236,.28);
  background:rgba(255,255,255,.94);
  color:var(--text);
  font-size:15px;
  transition:.2s ease;
}
.form-control::placeholder{color:#9BAFA5}
.form-control:focus{
  outline:none;
  border-color:var(--orange);
  box-shadow:0 0 0 4px rgba(255,106,42,.22);
}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;
  background:var(--ink);
  color:var(--inv);
  padding:72px 0 0;
}
.foot-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1.1fr;gap:40px;padding-bottom:52px}
.foot-brand .brand-text{color:#fff}
.foot-brand p{margin-top:16px;font-size:14.5px;color:rgba(234,242,236,.72);line-height:1.85;max-width:340px}
.foot-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.foot-tags span{
  font-size:12.5px;padding:5px 13px;border-radius:999px;
  border:1px solid rgba(199,240,74,.4);
  color:var(--lime);
}
.foot-col h4{color:#fff;font-size:15.5px;margin-bottom:18px}
.foot-col ul{display:flex;flex-direction:column;gap:11px}
.foot-col a{font-size:14.5px;color:rgba(234,242,236,.75)}
.foot-col a:hover{color:var(--lime)}
.foot-sub p{font-size:14px;color:rgba(234,242,236,.72);margin-bottom:16px}
.foot-bottom{
  border-top:1px solid rgba(234,242,236,.14);
  padding:22px 0 26px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  font-size:13px;color:rgba(234,242,236,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .databand{grid-template-columns:repeat(4,1fr);gap:18px;padding:36px 24px}
  .databand .num{font-size:38px}
  .cat-layout{grid-template-columns:230px 1fr;gap:30px}
  .cta-card{grid-template-columns:1fr;padding:44px 34px}
}
@media (max-width:991px){
  .topline{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-links{
    position:absolute;
    top:calc(100% + 1px);
    left:0;right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    background:#fff;
    border-bottom:1px solid var(--line);
    box-shadow:0 24px 40px -26px rgba(12,43,38,.4);
    padding:14px 20px 22px;
    margin-left:0;
    max-height:78vh;
    overflow-y:auto;
  }
  .nav-links.open{display:flex}
  .nav-link{padding:13px 14px;border-radius:12px;font-size:15.5px}
  .nav-link::after{left:14px;right:auto;width:34px;bottom:8px}
  .nav-link:hover{background:#F3F7F1}
  .nav-mega{width:100%}
  .mega-trigger{margin:6px 0 0;width:100%;justify-content:space-between}
  .mega-panel{
    position:static;
    width:100%;max-width:100%;
    opacity:1;visibility:visible;transform:none;
    display:none;
    box-shadow:none;
    border-radius:16px;
    padding:18px;
    grid-template-columns:1fr;
    gap:18px;
    margin-top:10px;
  }
  .nav-mega.open .mega-panel{display:grid}
  .nav-mega:hover .mega-panel{opacity:1}
  .cat-hero h1{font-size:32px}
  .cat-hero .hero-sub{font-size:16.5px}
  .section{padding:72px 0}
  .cat-layout{grid-template-columns:1fr;gap:28px}
  .anchor-nav{position:static}
  .anchor-nav ul{flex-direction:row;flex-wrap:wrap;gap:8px}
  .anchor-nav a{background:#F3F7F1;padding:8px 14px;font-size:14px}
  .scene-grid{grid-template-columns:1fr}
  .databand{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .cat-hero{padding:44px 0 42px;border-radius:var(--r-lg)}
  .cat-hero h1{font-size:26px}
  .cat-hero .hero-sub{font-size:15.5px}
  .block{padding:26px 22px}
  .block h2{font-size:21px}
  .section-head h2{font-size:24px}
  .databand .num{font-size:32px}
  .foot-grid{grid-template-columns:1fr;gap:30px}
  .foot-bottom{flex-direction:column}
  .cta-card h2{font-size:23px}
  .cta-card{padding:34px 22px}
  .cta-form{padding:22px}
  .crumb{border-radius:18px;font-size:13px;padding:8px 15px}
  .btn-grad,.btn-ghost,.btn-ghost-dark{padding:13px 22px;font-size:15px}
}
@media (max-width:520px){
  .databand{grid-template-columns:1fr;gap:16px}
  .hero-badges{gap:8px}
  .stat-badge{font-size:12.5px;padding:7px 14px}
  .scene-card{padding:24px 20px}
  .faq-acc .accordion-button{font-size:15.5px;padding:18px 50px 18px 20px}
  .faq-acc .accordion-body{padding:0 20px 20px 24px;font-size:14.5px}
}

/* roulang page: category2 */
:root{
  --green:#0C2B26;
  --green-2:#123B33;
  --green-3:#1B4A40;
  --orange:#FF6A2A;
  --amber:#FFB020;
  --lime:#C7F04A;
  --bg:#F5F7F3;
  --card:#FFFFFF;
  --line:#E2E8E1;
  --text:#10201D;
  --muted:#5C7268;
  --inv:#EAF2EC;
  --grad:linear-gradient(135deg,#FF6A2A 0%,#FFB020 100%);
  --r-lg:24px;
  --r-md:20px;
  --r-sm:16px;
  --r-xs:12px;
  --sh:0 4px 16px rgba(12,43,38,.06);
  --sh-hover:0 18px 44px -18px rgba(12,43,38,.28);
  --bs-primary:#0C2B26;
  --bs-body-color:#10201D;
  --bs-border-radius:14px;
  --bs-link-color:#0C2B26;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.01em;color:var(--text);margin:0}
h1{font-size:34px;line-height:1.32}
h2{font-size:30px;line-height:1.36}
h3{font-size:20px;line-height:1.5}
p{margin:0 0 1em}
a{color:var(--green);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--orange)}
img{max-width:100%;display:block}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font-family:inherit}
:focus-visible{outline:3px solid var(--green);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ---------- 顶部信息条 ---------- */
.topline{background:var(--green);color:rgba(234,242,236,.86);font-size:13px;height:36px;display:flex;align-items:center}
.topline .container{display:flex;align-items:center;justify-content:space-between;gap:16px}
.topline a{color:rgba(234,242,236,.86);margin-right:20px}
.topline a:hover{color:var(--lime)}
.topline .top-right{display:flex;align-items:center;gap:8px;color:rgba(234,242,236,.7)}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:1000}
.mainnav{background:#fff;border-bottom:1px solid var(--line);box-shadow:0 2px 14px rgba(12,43,38,.05)}
.nav-inner{display:flex;align-items:center;gap:24px;min-height:74px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{display:inline-flex;align-items:flex-end;gap:3px;height:26px}
.brand-mark i{display:block;width:5px;border-radius:2px;background:var(--grad);transform:skewX(-14deg)}
.brand-mark i:nth-child(1){height:14px}
.brand-mark i:nth-child(2){height:20px}
.brand-mark i:nth-child(3){height:26px}
.brand-text{font-size:21px;font-weight:800;color:var(--green);letter-spacing:-.02em;line-height:1}
.brand-text span{color:var(--orange);margin-left:2px}
.nav-toggle{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:12px;width:44px;height:44px;color:var(--green);font-size:18px}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{position:relative;padding:10px 14px;font-size:15px;font-weight:500;color:var(--text);border-radius:999px;white-space:nowrap}
.nav-link:hover{color:var(--orange);background:rgba(255,106,42,.06)}
.nav-link.active{color:var(--green);font-weight:700}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;border-radius:3px;background:var(--grad)}
.nav-mega{position:relative}
.mega-trigger{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--green);font-size:15px;font-weight:600;cursor:pointer;transition:.2s}
.mega-trigger:hover{border-color:var(--orange);color:var(--orange)}
.mega-trigger i{font-size:12px;transition:transform .2s}
.nav-mega.open .mega-trigger i{transform:rotate(180deg)}
.mega-panel{position:absolute;right:0;top:calc(100% + 14px);width:820px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:0 24px 60px -24px rgba(12,43,38,.35);padding:26px;display:grid;grid-template-columns:1.1fr 1.1fr 1fr;gap:26px;opacity:0;visibility:hidden;transform:translateY(8px);transition:.16s ease}
.nav-mega.open .mega-panel,.nav-mega:hover .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col h4{font-size:14px;color:var(--muted);letter-spacing:.06em;margin-bottom:12px;font-weight:700}
.mega-col ul li{margin-bottom:8px}
.mega-col ul a{font-size:14.5px;color:var(--text)}
.mega-col ul a:hover{color:var(--orange)}
.mega-mini{display:block;padding:12px 14px;border-radius:var(--r-xs);border:1px solid var(--line);margin-bottom:10px;transition:.2s}
.mega-mini b{display:block;font-size:14.5px;color:var(--green);font-weight:700}
.mega-mini em{font-style:normal;font-size:12.5px;color:var(--muted)}
.mega-mini:hover{border-color:var(--orange);background:rgba(255,106,42,.05);transform:translateX(3px)}
.mega-card{background:var(--grad);border-radius:var(--r-sm);padding:16px;color:#fff;display:flex;flex-direction:column;justify-content:space-between;min-height:170px}
.mega-card img{border-radius:12px;aspect-ratio:16/10;object-fit:cover;margin-bottom:12px}
.mega-card b{font-size:15px;display:block}
.mega-card span{font-size:12.5px;opacity:.9}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:rgba(226,232,225,.6);border-bottom:1px solid var(--line)}
.crumb{display:flex;align-items:center;gap:10px;padding:14px 0;font-size:13.5px;color:var(--muted);flex-wrap:wrap}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--orange)}
.crumb i{font-size:10px;color:#9CB0A5}
.crumb .cur{color:var(--green);font-weight:600}

/* ---------- Hero ---------- */
.cat-hero{position:relative;background:var(--green);color:var(--inv);overflow:hidden;padding:72px 0}
.cat-hero::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;opacity:.22}
.cat-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(12,43,38,.96) 0%,rgba(12,43,38,.72) 55%,rgba(12,43,38,.4) 100%)}
.cat-hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:center}
.hero-tag{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:999px;border:1px solid var(--lime);color:var(--lime);font-size:13px;margin-bottom:20px}
.cat-hero h1{color:#fff;font-size:36px;margin-bottom:18px}
.cat-hero .lead{color:rgba(234,242,236,.86);font-size:16.5px;max-width:620px;margin-bottom:26px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:30px}
.mini-badges{display:flex;gap:12px;flex-wrap:wrap}
.mini-badge{padding:8px 16px;border-radius:999px;border:1px solid rgba(199,240,74,.5);background:rgba(199,240,74,.08);font-size:13px;color:#EAF2EC;display:flex;align-items:center;gap:8px}
.mini-badge b{color:var(--lime);font-size:15px;font-variant-numeric:tabular-nums}
.hero-figure{position:relative}
.hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-lg);border:1px solid rgba(199,240,74,.45);box-shadow:0 24px 60px -22px rgba(0,0,0,.6)}
.hero-figure .float-card{position:absolute;left:-18px;bottom:-22px;background:#fff;color:var(--text);border-radius:var(--r-sm);padding:16px 20px;box-shadow:var(--sh-hover);min-width:190px}
.hero-figure .float-card b{display:block;font-size:26px;color:var(--green);font-variant-numeric:tabular-nums;line-height:1.2}
.hero-figure .float-card span{font-size:12.5px;color:var(--muted)}

/* ---------- 按钮 ---------- */
.btn-grad{display:inline-flex;align-items:center;gap:8px;padding:13px 26px;border:none;border-radius:999px;background:var(--grad);color:#fff;font-size:15px;font-weight:700;cursor:pointer;transition:.22s;box-shadow:0 10px 24px -12px rgba(255,106,42,.85)}
.btn-grad:hover{color:#fff;filter:hue-rotate(6deg);transform:translateY(-2px);box-shadow:0 16px 30px -12px rgba(255,106,42,.9)}
.btn-grad.btn-block{width:100%;justify-content:center}
.btn-line{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;border-radius:999px;border:1.5px solid var(--green);background:transparent;color:var(--green);font-size:15px;font-weight:600;cursor:pointer;transition:.22s}
.btn-line:hover{background:var(--green);color:#fff}
.btn-line.on-dark{border-color:rgba(234,242,236,.7);color:#EAF2EC}
.btn-line.on-dark:hover{background:#EAF2EC;color:var(--green)}

/* ---------- 板块 ---------- */
.section{padding:96px 0}
.section.tight{padding:72px 0}
.section.slim{padding:56px 0}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--orange);letter-spacing:.08em;margin-bottom:12px}
.sec-head h2{position:relative;padding-left:16px;margin-bottom:14px}
.sec-head h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:5px;border-radius:4px;background:var(--grad)}
.sec-head.center h2{padding-left:0}
.sec-head.center h2::before{display:none}
.sec-head p{color:var(--muted);margin:0}

/* ---------- Z 字图文 ---------- */
.zig{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:44px 0;border-bottom:1px dashed var(--line)}
.zig:last-child{border-bottom:none}
.zig .zig-media{position:relative}
.zig .zig-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--sh);transition:.3s}
.zig:hover .zig-media img{box-shadow:var(--sh-hover);transform:translateY(-4px)}
.zig .zig-media .fig-tag{position:absolute;top:14px;left:14px;padding:6px 14px;border-radius:999px;background:rgba(12,43,38,.86);color:var(--lime);font-size:12.5px;letter-spacing:.04em}
.zig .zig-body h3{margin-bottom:12px;display:flex;align-items:center;gap:12px}
.zig .zig-num{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:12px;background:var(--grad);color:#fff;font-size:15px;font-weight:800;flex:0 0 auto}
.zig .zig-body>p{color:var(--muted)}
.zig-list{margin-top:16px;display:grid;gap:10px}
.zig-list li{position:relative;padding-left:26px;font-size:15px;color:var(--text)}
.zig-list li::before{content:"";position:absolute;left:0;top:11px;width:10px;height:10px;border-radius:3px;background:var(--grad);transform:rotate(45deg)}
.zig.rev .zig-media{order:2}
.zig.rev .zig-body{order:1}

/* ---------- 数据带 ---------- */
.databand{background:var(--grad);color:#fff;padding:56px 0}
.databand .band-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.band-item{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);border-radius:var(--r-md);padding:24px 22px}
.band-item b{display:block;font-size:42px;font-weight:800;line-height:1.15;font-variant-numeric:tabular-nums}
.band-item span{font-size:13px;opacity:.95}

/* ---------- 查询入口卡 ---------- */
.query-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.qcard{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:26px;box-shadow:var(--sh);transition:.25s;display:flex;flex-direction:column;gap:12px}
.qcard:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(255,106,42,.4)}
.qcard .qi{width:48px;height:48px;border-radius:14px;background:rgba(255,106,42,.1);color:var(--orange);display:flex;align-items:center;justify-content:center;font-size:20px}
.qcard h3{font-size:18px}
.qcard p{color:var(--muted);font-size:14.5px;margin:0}
.qcard a.more{font-size:14px;font-weight:700;color:var(--orange);display:inline-flex;align-items:center;gap:6px;margin-top:auto}
.qcard a.more:hover{gap:10px}

/* ---------- 徽章 ---------- */
.pill{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:999px;border:1px solid var(--lime);background:rgba(199,240,74,.16);color:#2C4A1F;font-size:12.5px;font-weight:600}
.pill.grey{border-color:var(--line);background:rgba(226,232,225,.5);color:var(--muted);font-weight:500}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;gap:14px;max-width:900px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;transition:.2s}
.faq-item[open]{border-color:rgba(255,106,42,.45);box-shadow:var(--sh)}
.faq-item summary{list-style:none;cursor:pointer;padding:20px 56px 20px 24px;font-size:16.5px;font-weight:700;position:relative}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;right:22px;top:50%;transform:translateY(-50%);font-size:13px;color:var(--muted);transition:.2s}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(180deg);color:var(--orange)}
.faq-item .faq-body{padding:0 24px 22px;color:var(--muted);font-size:15px;border-left:4px solid transparent}
.faq-item[open] .faq-body{border-image:var(--grad) 1}

/* ---------- CTA ---------- */
.cta-band{padding:0 0 96px}
.cta-card{background:var(--green);border-radius:var(--r-lg);padding:56px;position:relative;overflow:hidden;color:var(--inv);display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center}
.cta-card::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;opacity:.16}
.cta-card>*{position:relative;z-index:2}
.cta-card h2{color:#fff;margin-bottom:14px}
.cta-card p{color:rgba(234,242,236,.85);margin:0}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;justify-content:flex-end}
.cta-list{display:grid;gap:10px;margin-top:18px}
.cta-list li{color:rgba(234,242,236,.86);font-size:14.5px;padding-left:24px;position:relative}
.cta-list li::before{content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;left:0;color:var(--lime);font-size:12px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--green);color:rgba(234,242,236,.82);padding:64px 0 0;font-size:14.5px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:40px}
.foot-brand .brand-text{color:#fff}
.foot-brand p{margin:18px 0 0;font-size:14px;line-height:1.8;color:rgba(234,242,236,.72)}
.foot-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.foot-tags span{padding:5px 12px;border-radius:999px;border:1px solid rgba(199,240,74,.35);font-size:12.5px;color:rgba(234,242,236,.85)}
.foot-col h4{font-size:15px;color:#fff;margin-bottom:16px}
.foot-col ul li{margin-bottom:10px}
.foot-col ul a{color:rgba(234,242,236,.78);font-size:14px}
.foot-col ul a:hover{color:var(--lime)}
.foot-sub p{font-size:13.5px;color:rgba(234,242,236,.72);margin-bottom:14px}
.foot-sub .form-control{background:rgba(255,255,255,.08);border:1px solid rgba(234,242,236,.28);color:#fff;border-radius:var(--r-xs);padding:11px 14px;font-size:14px}
.foot-sub .form-control::placeholder{color:rgba(234,242,236,.5)}
.foot-sub .form-control:focus{background:rgba(255,255,255,.12);border-color:var(--orange);box-shadow:0 0 0 4px rgba(255,106,42,.18);color:#fff}
.foot-sub .form-label{font-size:12.5px;margin-bottom:6px;display:block}
.foot-bottom{margin-top:48px;border-top:1px solid rgba(234,242,236,.16);padding:20px 0;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:rgba(234,242,236,.6)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-link{padding:10px 10px;font-size:14.5px}
  .mega-panel{width:680px}
  .query-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  .topline{display:none}
  .nav-toggle{display:block}
  .nav-links{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;flex-direction:column;align-items:stretch;gap:2px;padding:14px 24px 22px;border-bottom:1px solid var(--line);box-shadow:0 20px 40px -22px rgba(12,43,38,.4);max-height:78vh;overflow:auto}
  .nav-links.open{display:flex}
  .nav-link{padding:13px 10px;border-radius:12px}
  .nav-link.active::after{display:none}
  .nav-link.active{background:rgba(255,106,42,.08)}
  .nav-mega{width:100%}
  .mega-trigger{width:100%;justify-content:space-between}
  .mega-panel{position:static;width:100%;opacity:1;visibility:visible;transform:none;display:none;grid-template-columns:1fr;box-shadow:none;border-radius:var(--r-sm);padding:18px;margin-top:10px}
  .nav-mega.open .mega-panel{display:grid}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .cat-hero h1{font-size:30px}
  .zig{grid-template-columns:1fr;gap:28px}
  .zig.rev .zig-media,.zig.rev .zig-body{order:0}
  .databand .band-grid{grid-template-columns:repeat(2,1fr)}
  .cta-card{grid-template-columns:1fr;padding:38px}
  .cta-actions{justify-content:flex-start}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:72px 0}
}
@media (max-width:767px){
  .container{padding:0 18px}
  h1{font-size:26px}
  .cat-hero h1{font-size:26px}
  .sec-head h2{font-size:22px}
  .cat-hero{padding:52px 0}
  .query-grid{grid-template-columns:1fr}
  .band-item b{font-size:34px}
  .foot-grid{grid-template-columns:1fr}
  .section{padding:56px 0}
  .cta-card{padding:30px 22px}
  .hero-figure .float-card{left:0;bottom:-16px}
}

/* roulang page: category3 */
:root{
  --green:#0C2B26;
  --green-2:#0F3A33;
  --green-3:#145044;
  --orange:#FF6A2A;
  --amber:#FFB020;
  --lime:#C7F04A;
  --bg:#F5F7F3;
  --card:#FFFFFF;
  --line:#E2E8E1;
  --ink:#10201D;
  --muted:#5C7268;
  --inv:#EAF2EC;
  --grad:linear-gradient(135deg,#FF6A2A 0%,#FFB020 100%);
  --grad-soft:linear-gradient(135deg,rgba(255,106,42,.12),rgba(255,176,32,.12));
  --r-xl:24px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --sh:0 4px 16px rgba(12,43,38,.06);
  --sh-h:0 18px 44px -18px rgba(12,43,38,.28);
  --t:.25s cubic-bezier(.2,.7,.3,1);
  --bs-primary:#FF6A2A;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --bs-body-color:#10201D;
  --bs-border-radius:16px;
  --bs-link-color:#0C2B26;
  --bs-link-hover-color:#FF6A2A;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
}
img{max-width:100%;display:block}
a{color:var(--green);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--orange)}
button,input,textarea,select{font-family:inherit;font-size:inherit}
h1,h2,h3,h4,h5{margin:0;font-weight:800;letter-spacing:-.01em;color:var(--ink);line-height:1.3}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid var(--green);outline-offset:2px;border-radius:6px}

.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}

/* ============ 顶部信息条 ============ */
.site-header{position:relative;z-index:60}
.topline{background:var(--green);color:var(--inv);font-size:13px;height:36px;display:flex;align-items:center}
.topline .container{display:flex;justify-content:space-between;align-items:center;gap:16px}
.topline a{color:rgba(234,242,236,.78);margin-right:20px}
.topline a:hover{color:var(--lime)}
.top-right{display:flex;align-items:center;gap:8px;color:rgba(234,242,236,.7)}

/* ============ 导航 ============ */
.mainnav{background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--sh);position:sticky;top:0;z-index:70}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:76px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{display:inline-flex;gap:3px;align-items:flex-end;height:22px}
.brand-mark i{display:block;width:5px;border-radius:2px;background:var(--grad);transform:skewX(-14deg)}
.brand-mark i:nth-child(1){height:12px}
.brand-mark i:nth-child(2){height:17px}
.brand-mark i:nth-child(3){height:22px}
.brand-text{font-size:20px;font-weight:800;color:var(--green);letter-spacing:-.02em;line-height:1}
.brand-text span{color:var(--orange)}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-link{position:relative;padding:10px 14px;font-size:15px;font-weight:500;color:var(--ink);border-radius:999px;white-space:nowrap}
.nav-link:hover{color:var(--green);background:rgba(12,43,38,.05)}
.nav-link.active{color:var(--green);font-weight:700}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;border-radius:3px;background:var(--grad)}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:12px;width:44px;height:44px;color:var(--green);font-size:18px}

/* ============ Mega 面板 ============ */
.nav-mega{position:relative}
.mega-trigger{display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border:1px solid var(--line);background:#fff;border-radius:999px;font-size:14px;font-weight:600;color:var(--green);transition:var(--t)}
.mega-trigger:hover{border-color:var(--orange);color:var(--orange);box-shadow:var(--sh)}
.mega-trigger i{font-size:11px;transition:transform var(--t)}
.nav-mega:hover .mega-trigger i,.nav-mega.open .mega-trigger i{transform:rotate(180deg)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);width:820px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:0 24px 60px -24px rgba(12,43,38,.34);
  padding:26px;display:grid;grid-template-columns:1fr 1fr 1.1fr;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .16s ease,transform .16s ease,visibility .16s;
}
.nav-mega:hover .mega-panel,.nav-mega:focus-within .mega-panel,.nav-mega.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col h4{font-size:13px;letter-spacing:.08em;color:var(--muted);font-weight:700;margin-bottom:12px}
.mega-col ul li{margin-bottom:6px}
.mega-col ul a{display:block;padding:7px 10px;border-radius:10px;font-size:14px;color:var(--ink)}
.mega-col ul a:hover{background:var(--grad-soft);color:var(--orange)}
.mega-mini{display:block;padding:10px 12px;border-radius:14px;border:1px solid transparent;transition:var(--t);margin-bottom:8px}
.mega-mini b{display:block;font-size:14px;color:var(--ink)}
.mega-mini em{display:block;font-style:normal;font-size:12.5px;color:var(--muted);margin-top:2px}
.mega-mini:hover{border-color:var(--line);background:#FAFCF9}
.mega-card{display:flex;flex-direction:column;border-radius:var(--r-lg);overflow:hidden;background:var(--grad);color:#fff;padding:0}
.mega-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.mega-card span{font-size:12px;letter-spacing:.08em;padding:14px 18px 0;color:rgba(255,255,255,.85)}
.mega-card b{font-size:15.5px;padding:6px 18px 18px;color:#fff;line-height:1.5}
.mega-card i{align-self:flex-end;margin:0 18px 18px;width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.2);display:grid;place-items:center;font-size:13px;transition:var(--t)}
.mega-card:hover{color:#fff}
.mega-card:hover i{transform:translateX(4px);background:rgba(255,255,255,.32)}

/* ============ 面包屑 ============ */
.crumb-wrap{padding:18px 0 0}
.breadcrumb-bar{display:inline-flex;align-items:center;gap:10px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.18);color:var(--inv);border-radius:999px;padding:8px 18px;font-size:13px}
.breadcrumb-bar a{color:rgba(234,242,236,.82)}
.breadcrumb-bar a:hover{color:var(--lime)}
.breadcrumb-bar i{font-size:10px;opacity:.6}
.breadcrumb-bar .cur{color:#fff;font-weight:600}
.breadcrumb-light{background:#fff;border:1px solid var(--line);color:var(--muted);box-shadow:var(--sh)}
.breadcrumb-light a{color:var(--muted)}
.breadcrumb-light a:hover{color:var(--orange)}
.breadcrumb-light .cur{color:var(--green)}

/* ============ 按钮 ============ */
.btn-grad{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:999px;border:none;
  background:var(--grad);color:#fff;font-weight:700;font-size:15px;
  box-shadow:0 10px 24px -12px rgba(255,106,42,.75);
  transition:var(--t);cursor:pointer;
}
.btn-grad:hover{color:#fff;transform:translateY(-2px);filter:hue-rotate(-6deg);box-shadow:0 16px 32px -12px rgba(255,106,42,.85)}
.btn-grad:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:999px;border:1.5px solid var(--green);
  background:transparent;color:var(--green);font-weight:700;font-size:15px;transition:var(--t);cursor:pointer;
}
.btn-ghost:hover{background:var(--green);color:var(--inv)}
.btn-ghost-inv{border-color:rgba(234,242,236,.5);color:var(--inv)}
.btn-ghost-inv:hover{background:var(--inv);color:var(--green);border-color:var(--inv)}
.btn-block{width:100%}

/* ============ 通用板块 ============ */
.section{padding:96px 0}
.section.tight{padding:72px 0}
.section.slim{padding:56px 0}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-tag{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--orange);margin-bottom:12px}
.sec-head h2{font-size:30px;margin-bottom:14px}
.sec-head h2::before{content:"";display:block;width:46px;height:4px;border-radius:4px;background:var(--grad);margin-bottom:16px}
.sec-head p{color:var(--muted);font-size:15.5px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head.center h2::before{margin-left:auto;margin-right:auto}

/* ============ 内页 Hero ============ */
.page-hero{position:relative;background:var(--green);color:var(--inv);overflow:hidden;padding-bottom:80px}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(12,43,38,.94),rgba(15,58,51,.86)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;inset:0;opacity:.06;
  background:repeating-linear-gradient(115deg,#fff 0 2px,transparent 2px 26px);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;margin-top:34px}
.page-hero h1{font-size:40px;color:#fff;margin-bottom:18px;max-width:640px}
.page-hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{font-size:16.5px;color:rgba(234,242,236,.84);max-width:560px;margin-bottom:26px}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;border:1px solid var(--lime);
  color:var(--lime);font-size:13px;font-weight:600;background:rgba(199,240,74,.06);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-visual{position:relative;border-radius:var(--r-xl);overflow:hidden;border:1px solid rgba(199,240,74,.35);box-shadow:0 30px 70px -30px rgba(0,0,0,.6)}
.hero-visual img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hero-visual .tag-float{
  position:absolute;left:18px;bottom:18px;background:rgba(12,43,38,.86);backdrop-filter:blur(4px);
  border:1px solid rgba(199,240,74,.4);color:var(--inv);font-size:13px;padding:8px 16px;border-radius:999px;
}

/* ============ 对比表 ============ */
.table-shell{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);box-shadow:var(--sh);overflow:hidden}
.table-scroll{overflow-x:auto}
table.cmp{width:100%;border-collapse:collapse;min-width:900px}
table.cmp thead th{
  background:var(--green);color:var(--inv);font-size:14px;font-weight:700;
  text-align:left;padding:18px 20px;white-space:nowrap;letter-spacing:.02em;
}
table.cmp thead th:first-child{border-radius:0}
table.cmp tbody td{padding:18px 20px;font-size:14.5px;color:var(--ink);border-bottom:1px solid var(--line);vertical-align:top}
table.cmp tbody tr:nth-child(even){background:#FAFCF9}
table.cmp tbody tr:hover{background:var(--grad-soft)}
table.cmp tbody tr:last-child td{border-bottom:none}
table.cmp .mod{font-weight:700;color:var(--green);white-space:nowrap}
table.cmp .mod i{color:var(--orange);margin-right:8px}
.tag-soft{display:inline-block;padding:4px 12px;border-radius:999px;background:rgba(12,43,38,.06);color:var(--green);font-size:12.5px;font-weight:600}

/* ============ 步骤条 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;margin-top:16px}
.step{position:relative;padding-right:26px}
.step::after{
  content:"";position:absolute;top:26px;left:52px;right:8px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,rgba(255,106,42,.75),rgba(255,176,32,.18));
}
.step:last-child::after{display:none}
.step-dot{
  width:54px;height:54px;border-radius:50%;display:grid;place-items:center;
  background:var(--grad);color:#fff;font-weight:800;font-size:19px;
  box-shadow:0 12px 24px -12px rgba(255,106,42,.8);margin-bottom:18px;position:relative;z-index:2;
}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14.2px;color:var(--muted)}

/* ============ 场景小卡 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 26px 24px;
  box-shadow:var(--sh);transition:var(--t);position:relative;overflow:hidden;
}
.scene-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad);opacity:0;transition:var(--t)}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h)}
.scene-card:hover::before{opacity:1}
.scene-card h3{font-size:18px;margin-bottom:10px}
.scene-card p{font-size:14.5px;color:var(--muted)}
.scene-num{font-size:13px;font-weight:800;color:var(--orange);letter-spacing:.12em;display:block;margin-bottom:10px}

/* ============ 图文区 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.split-media{border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-h)}
.split-media img{width:100%;aspect-ratio:16/11;object-fit:cover}
.split h2{font-size:28px;margin-bottom:16px}
.split h2::before{content:"";display:block;width:46px;height:4px;border-radius:4px;background:var(--grad);margin-bottom:16px}
.split p{color:var(--muted);font-size:15.5px;margin-bottom:18px}
.check-list li{display:flex;gap:12px;align-items:flex-start;padding:10px 0;font-size:15px}
.check-list i{color:var(--orange);margin-top:5px;font-size:14px}
.check-list b{font-weight:700;color:var(--ink)}
.check-list span{color:var(--muted);font-size:14.5px}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:900px}
details.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:4px 22px;box-shadow:var(--sh);transition:var(--t);position:relative;overflow:hidden;
}
details.faq-item::after{content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:4px;background:var(--grad);opacity:0;transition:var(--t)}
details.faq-item[open]::after{opacity:1}
details.faq-item[open]{box-shadow:var(--sh-h)}
summary.faq-q{
  list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:18px 0;font-weight:700;font-size:16px;color:var(--ink);
}
summary.faq-q::-webkit-details-marker{display:none}
summary.faq-q i{color:var(--orange);transition:transform var(--t);font-size:14px;flex:0 0 auto}
details.faq-item[open] summary.faq-q i{transform:rotate(180deg)}
.faq-a{padding:0 0 20px;color:var(--muted);font-size:14.8px;border-top:1px solid var(--line);padding-top:16px}

/* ============ CTA ============ */
.cta-band{position:relative;border-radius:var(--r-xl);overflow:hidden;background:var(--green);color:var(--inv);padding:56px 52px}
.cta-band::before{content:"";position:absolute;inset:0;background:var(--grad);opacity:.92}
.cta-band::after{content:"";position:absolute;inset:0;opacity:.07;background:repeating-linear-gradient(115deg,#fff 0 2px,transparent 2px 24px)}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.4fr .6fr;gap:36px;align-items:center}
.cta-inner h2{font-size:29px;color:#fff;margin-bottom:12px}
.cta-inner p{color:rgba(255,255,255,.9);font-size:15.5px;max-width:640px}
.cta-actions{display:flex;flex-direction:column;gap:12px}
.btn-on-grad{background:#fff;color:var(--green);box-shadow:0 14px 30px -14px rgba(0,0,0,.45)}
.btn-on-grad:hover{background:var(--green);color:#fff}
.btn-line-white{border:1.5px solid rgba(255,255,255,.7);color:#fff;background:transparent}
.btn-line-white:hover{background:#fff;color:var(--green)}

/* ============ 页脚 ============ */
.site-footer{background:var(--green);color:var(--inv);padding:72px 0 0;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:48px}
.foot-brand .brand-text{color:#fff}
.foot-brand p{color:rgba(234,242,236,.72);font-size:14.5px;margin:18px 0 20px;max-width:320px}
.foot-tags{display:flex;flex-wrap:wrap;gap:10px}
.foot-tags span{font-size:12.5px;padding:6px 14px;border-radius:999px;border:1px solid rgba(199,240,74,.35);color:var(--lime)}
.foot-col h4{font-size:15px;color:#fff;margin-bottom:18px}
.foot-col ul li{margin-bottom:10px}
.foot-col ul a{color:rgba(234,242,236,.75);font-size:14.3px}
.foot-col ul a:hover{color:var(--lime)}
.foot-sub p{color:rgba(234,242,236,.72);font-size:14px;margin-bottom:16px}
.form-label{display:block;font-size:13px;margin-bottom:8px}
.form-control{
  width:100%;padding:13px 16px;border-radius:var(--r-sm);
  border:1px solid rgba(234,242,236,.24);background:rgba(255,255,255,.06);color:#fff;
  transition:var(--t);
}
.form-control::placeholder{color:rgba(234,242,236,.45)}
.form-control:focus{outline:none;border-color:var(--orange);box-shadow:0 0 0 4px rgba(255,106,42,.22);background:rgba(255,255,255,.1)}
.foot-bottom{
  border-top:1px solid rgba(234,242,236,.14);padding:22px 0 28px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(234,242,236,.6);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .page-hero h1{font-size:34px}
  .section{padding:76px 0}
  .foot-grid{grid-template-columns:1fr 1fr;gap:34px}
  .steps{grid-template-columns:repeat(2,1fr);row-gap:36px}
  .step:nth-child(2)::after{display:none}
  .mega-panel{width:680px;grid-template-columns:1fr 1fr}
  .mega-card{display:none}
}
@media (max-width:991.98px){
  .topline{display:none}
  .nav-toggle{display:inline-grid;place-items:center}
  .nav-inner{min-height:66px}
  .nav-links{
    display:none;position:absolute;left:0;right:0;top:100%;
    background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--sh-h);
    flex-direction:column;align-items:stretch;gap:2px;padding:14px 20px 22px;
  }
  .nav-links.open{display:flex}
  .nav-link{padding:12px 14px;border-radius:12px}
  .nav-link.active::after{display:none}
  .nav-link.active{background:var(--grad-soft)}
  .nav-mega{position:static;width:100%}
  .mega-trigger{width:100%;justify-content:space-between}
  .mega-panel{
    position:static;width:100%;opacity:1;visibility:visible;transform:none;
    box-shadow:none;border-radius:var(--r-md);padding:18px;margin-top:10px;
    display:none;grid-template-columns:1fr;gap:18px;
  }
  .nav-mega.open .mega-panel{display:grid}
  .mega-card{display:flex}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .page-hero h1{font-size:31px}
  .split{grid-template-columns:1fr;gap:32px}
  .split.reverse .split-media{order:-1}
  .cta-inner{grid-template-columns:1fr}
  .cta-band{padding:40px 28px}
  .section{padding:64px 0}
  .sec-head h2{font-size:26px}
}
@media (max-width:767.98px){
  .container{padding:0 18px}
  .page-hero{padding-bottom:56px}
  .page-hero h1{font-size:27px}
  .hero-lead{font-size:15.5px}
  .scene-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr;row-gap:30px}
  .step{padding-right:0}
  .step::after{display:none}
  .sec-head h2{font-size:23px}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;gap:8px}
  .cta-inner h2{font-size:23px}
  .section{padding:56px 0}
}
@media (max-width:519.98px){
  .brand-text{font-size:18px}
  .page-hero h1{font-size:24px}
  .btn-grad,.btn-ghost{width:100%}
  .hero-actions{flex-direction:column}
  .crumb-wrap{padding-top:14px}
  .breadcrumb-bar{padding:7px 14px;font-size:12.5px}
}

/* roulang page: category4 */
:root{
  --ink:#0C2B26;
  --ink-soft:#123A33;
  --orange:#FF6A2A;
  --amber:#FFB020;
  --lime:#C7F04A;
  --bg:#F5F7F3;
  --surface:#FFFFFF;
  --line:#E2E8E1;
  --text:#10201D;
  --muted:#5C7268;
  --grad:linear-gradient(135deg,#FF6A2A 0%,#FFB020 100%);
  --r-lg:24px;
  --r-md:20px;
  --r-img:16px;
  --r-in:12px;
  --sh-1:0 4px 16px rgba(12,43,38,.06);
  --sh-2:0 18px 44px -18px rgba(12,43,38,.28);
  --bs-primary:#FF6A2A;
  --bs-primary-rgb:255,106,42;
  --bs-body-color:#10201D;
  --bs-body-bg:#F5F7F3;
  --bs-border-color:#E2E8E1;
  --bs-border-radius:20px;
  --bs-link-color:#0C2B26;
  --bs-link-hover-color:#FF6A2A;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--ink);text-decoration:none;transition:color .2s ease,background .2s ease}
a:hover{color:var(--orange)}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.01em;color:var(--ink);margin:0}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button,input{font-family:inherit}
:focus-visible{outline:3px solid rgba(12,43,38,.55);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px!important;margin:0 auto;padding-left:24px;padding-right:24px}

/* ===== 顶部信息条 ===== */
.topline{background:var(--ink);color:rgba(234,242,236,.86);font-size:13px;line-height:36px;height:36px;overflow:hidden}
.topline .container{display:flex;align-items:center;justify-content:space-between;gap:16px}
.top-left{display:flex;align-items:center;gap:20px}
.top-left a{color:rgba(234,242,236,.86)}
.top-left a:hover{color:var(--lime)}
.top-right{display:flex;align-items:center;gap:8px;color:rgba(234,242,236,.72)}

/* ===== 导航 ===== */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;box-shadow:0 2px 18px rgba(12,43,38,.07)}
.mainnav{background:#fff;border-bottom:1px solid var(--line)}
.nav-inner{position:relative;display:flex;align-items:center;gap:20px;min-height:74px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:36px;height:36px;border-radius:12px;background:var(--ink);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;flex-shrink:0}
.brand-mark i{display:block;height:3px;border-radius:2px;background:var(--grad)}
.brand-mark i:nth-child(1){width:18px}
.brand-mark i:nth-child(2){width:13px}
.brand-mark i:nth-child(3){width:8px}
.brand-text{font-size:20px;font-weight:800;color:var(--ink);letter-spacing:-.01em;white-space:nowrap}
.brand-text span{color:var(--orange)}
.nav-toggle{display:none;margin-left:auto;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink);font-size:18px;align-items:center;justify-content:center}
.nav-toggle:hover{background:#F1F5EF}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{position:relative;display:inline-block;padding:10px 14px;font-size:15px;font-weight:500;color:var(--text);border-radius:999px;white-space:nowrap}
.nav-link:hover{color:var(--ink);background:#F1F5EF}
.nav-link.active{color:var(--ink);font-weight:700}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;border-radius:3px;background:var(--grad)}
.nav-mega{position:relative}
.mega-trigger{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--ink);font-size:14px;font-weight:600;cursor:pointer;transition:.2s ease}
.mega-trigger:hover{border-color:var(--orange);color:var(--orange);box-shadow:var(--sh-1)}
.mega-trigger i{font-size:11px;transition:transform .2s ease}
.nav-mega:hover .mega-trigger i,.nav-mega.open .mega-trigger i{transform:rotate(180deg)}
.mega-panel{position:absolute;right:0;top:calc(100% + 16px);width:820px;max-width:calc(100vw - 48px);background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-2);padding:26px;display:grid;grid-template-columns:1.05fr 1.15fr .85fr;gap:24px;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .16s ease,transform .16s ease,visibility .16s}
.nav-mega:hover .mega-panel,.nav-mega:focus-within .mega-panel,.nav-mega.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col h4{font-size:14px;color:var(--muted);font-weight:700;margin-bottom:12px;letter-spacing:.02em}
.mega-col ul li{margin-bottom:8px}
.mega-col ul a{font-size:14.5px;color:var(--text);display:block;padding:4px 0}
.mega-col ul a:hover{color:var(--orange)}
.mega-mini{display:block;padding:10px 12px;border-radius:14px;transition:.2s ease}
.mega-mini b{display:block;font-size:14.5px;color:var(--ink);font-weight:700}
.mega-mini em{display:block;font-style:normal;font-size:12.5px;color:var(--muted);margin-top:2px}
.mega-mini:hover{background:#F1F5EF}
.mega-card{position:relative;display:block;border-radius:var(--r-img);overflow:hidden;background:var(--grad);min-height:150px}
.mega-card img{width:100%;height:150px;object-fit:cover;opacity:.9;transition:transform .3s ease}
.mega-card:hover img{transform:scale(1.04)}
.mega-card span{position:absolute;left:14px;bottom:12px;color:#fff;font-weight:800;font-size:15px;text-shadow:0 2px 10px rgba(12,43,38,.5)}

/* ===== 面包屑 ===== */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line);padding:14px 0}
.crumb{display:inline-flex;align-items:center;gap:8px;background:#F1F5EF;border-radius:999px;padding:7px 16px;font-size:13.5px;color:var(--muted)}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--orange)}
.crumb span.sep{color:#B7C6BC}
.crumb .current{color:var(--ink);font-weight:700}

/* ===== Hero ===== */
.page-hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#0C2B26 0%,#16473D 55%,#0C2B26 100%);color:#EAF2EC;padding:72px 0 80px}
.page-hero::before{content:"";position:absolute;inset:0;background-image:url(/assets/images/backpic/back-1.webp);background-size:cover;background-position:center;opacity:.16}
.page-hero::after{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 2px,transparent 2px 46px);opacity:.6}
.hero-wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center}
.hero-tag{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;border:1px solid rgba(199,240,74,.55);background:rgba(199,240,74,.10);color:var(--lime);font-size:13px;font-weight:600;margin-bottom:20px}
.page-hero h1{font-size:40px;line-height:1.28;color:#F3F8F3;margin-bottom:18px}
.page-hero h1 em{font-style:normal;color:var(--lime)}
.hero-sub{font-size:17px;line-height:1.9;color:rgba(234,242,236,.85);max-width:560px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px}
.btn-grad{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 26px;border:0;border-radius:999px;background:var(--grad);color:#fff;font-size:15px;font-weight:700;cursor:pointer;box-shadow:0 10px 26px -12px rgba(255,106,42,.9);transition:transform .2s ease,box-shadow .2s ease,filter .2s ease}
.btn-grad:hover{color:#fff;transform:translateY(-2px);filter:hue-rotate(-6deg);box-shadow:0 18px 34px -14px rgba(255,106,42,.95)}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border:1.5px solid rgba(234,242,236,.55);border-radius:999px;background:transparent;color:#EAF2EC;font-size:15px;font-weight:600;transition:.2s ease}
.btn-ghost:hover{background:#EAF2EC;color:var(--ink);border-color:#EAF2EC}
.btn-block{width:100%}
.badge-row{display:flex;flex-wrap:wrap;gap:12px}
.data-badge{display:inline-flex;align-items:center;gap:10px;padding:9px 16px;border-radius:999px;border:1px solid rgba(199,240,74,.5);color:#EAF2EC;font-size:13.5px;background:rgba(255,255,255,.04)}
.data-badge b{color:var(--lime);font-size:15px;font-weight:800;font-variant-numeric:tabular-nums}
.hero-visual{position:relative}
.hero-visual img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-lg);border:1px solid rgba(199,240,74,.35);box-shadow:0 30px 60px -28px rgba(0,0,0,.6)}
.hero-note{position:absolute;left:-14px;bottom:-18px;background:#fff;color:var(--ink);border-radius:18px;padding:14px 20px;box-shadow:var(--sh-2);font-size:13.5px;font-weight:600;display:flex;align-items:center;gap:10px}
.hero-note i{color:var(--orange)}

/* ===== 通用板块 ===== */
.section{padding:78px 0}
.section.tight{padding:56px 0}
.sec-head{max-width:720px;margin-bottom:42px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-label{display:inline-block;font-size:13px;font-weight:700;color:var(--orange);letter-spacing:.12em;margin-bottom:12px}
.sec-head h2{font-size:30px;line-height:1.35;position:relative;padding-left:18px;margin-bottom:14px}
.sec-head h2::before{content:"";position:absolute;left:0;top:.28em;bottom:.22em;width:6px;border-radius:4px;background:var(--grad)}
.sec-head.center h2{padding-left:0}
.sec-head.center h2::before{position:static;display:block;width:54px;height:6px;margin:0 auto 16px}
.sec-head p{color:var(--muted);font-size:16px}

/* ===== 卡片瀑布 ===== */
.masonry{column-count:2;column-gap:24px}
.pcard{break-inside:avoid;-webkit-column-break-inside:avoid;display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:26px;margin-bottom:24px;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.pcard:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,106,42,.35)}
.pcard .chip{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:700;color:var(--ink);background:#F1F5EF;border-radius:999px;padding:5px 13px;margin-bottom:14px}
.pcard .chip i{color:var(--orange);font-size:11px}
.pcard h3{font-size:19px;line-height:1.5;margin-bottom:10px}
.pcard p{color:var(--muted);font-size:15px}
.pcard ul{margin-top:12px}
.pcard ul li{position:relative;padding-left:18px;font-size:14.5px;color:var(--muted);margin-bottom:6px}
.pcard ul li::before{content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--grad)}
.pcard figure{margin:16px 0 0}
.pcard figure img{width:100%;border-radius:var(--r-img);aspect-ratio:16/10;object-fit:cover}
.pcard figure figcaption{font-size:12.5px;color:var(--muted);margin-top:8px}

/* ===== 时间轴 ===== */
.tl-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:44px 40px;box-shadow:var(--sh-1)}
.timeline{position:relative;padding-left:42px}
.timeline::before{content:"";position:absolute;left:13px;top:10px;bottom:10px;width:2px;border-radius:2px;background:linear-gradient(180deg,#FF6A2A,#FFB020)}
.tl-item{position:relative;padding-bottom:30px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{position:absolute;left:-42px;top:2px;width:28px;height:28px;border-radius:50%;background:#fff;border:2px solid var(--orange);display:flex;align-items:center;justify-content:center;font-size:12.5px;font-weight:800;color:var(--orange);font-variant-numeric:tabular-nums}
.tl-item h3{font-size:18px;margin-bottom:8px}
.tl-item p{color:var(--muted);font-size:15px;max-width:820px}
.tl-item .tl-meta{display:inline-block;margin-top:10px;font-size:12.5px;color:var(--ink);background:#F1F5EF;border-radius:999px;padding:4px 12px}

/* ===== 数据带 ===== */
.stat-band{background:var(--grad);border-radius:var(--r-lg);padding:40px 32px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;box-shadow:var(--sh-2)}
.stat-item{text-align:center;color:#fff}
.stat-item b{display:block;font-size:44px;font-weight:800;line-height:1.1;font-variant-numeric:tabular-nums}
.stat-item span{display:block;font-size:13.5px;margin-top:8px;color:rgba(255,255,255,.92)}

/* ===== FAQ ===== */
.faq-list{max-width:900px;margin:0 auto}
.faq-item{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:16px;margin-bottom:14px;overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease}
.faq-item:hover{box-shadow:var(--sh-1);border-color:rgba(255,106,42,.3)}
.faq-item summary{list-style:none;cursor:pointer;padding:20px 60px 20px 24px;font-size:17px;font-weight:700;color:var(--ink);position:relative}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;right:24px;top:50%;transform:translateY(-50%);font-size:13px;color:var(--muted);transition:transform .25s ease,color .25s ease}
.faq-item[open]{border-color:rgba(255,106,42,.35);box-shadow:var(--sh-1)}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(180deg);color:var(--orange)}
.faq-item[open]::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad)}
.faq-body{padding:0 24px 22px;color:var(--muted);font-size:15px}

/* ===== CTA ===== */
.cta-block{position:relative;overflow:hidden;background:linear-gradient(135deg,#0C2B26 0%,#16473D 100%);border-radius:var(--r-lg);padding:56px 48px;color:#EAF2EC;display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center}
.cta-block::after{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.045) 0 2px,transparent 2px 42px)}
.cta-block>*{position:relative;z-index:2}
.cta-block h2{color:#F3F8F3;font-size:28px;margin-bottom:14px}
.cta-block p{color:rgba(234,242,236,.85);font-size:15.5px;margin-bottom:22px}
.cta-side{background:rgba(255,255,255,.06);border:1px solid rgba(199,240,74,.3);border-radius:var(--r-md);padding:26px}
.cta-side h3{color:#F3F8F3;font-size:17px;margin-bottom:12px}
.cta-side ul li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:rgba(234,242,236,.86);margin-bottom:10px}
.cta-side ul li i{color:var(--lime);margin-top:.45em}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink);color:rgba(234,242,236,.82);padding:66px 0 0;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px}
.foot-brand .brand-text{color:#F3F8F3}
.foot-brand p{font-size:14.5px;color:rgba(234,242,236,.72);margin:16px 0 18px;max-width:340px}
.foot-tags{display:flex;flex-wrap:wrap;gap:8px}
.foot-tags span{font-size:12.5px;padding:5px 12px;border-radius:999px;border:1px solid rgba(199,240,74,.32);color:rgba(234,242,236,.85)}
.foot-col h4{color:#F3F8F3;font-size:15px;margin-bottom:16px;font-weight:700}
.foot-col ul li{margin-bottom:10px}
.foot-col ul a{color:rgba(234,242,236,.76);font-size:14.5px}
.foot-col ul a:hover{color:var(--lime)}
.foot-sub p{font-size:14px;color:rgba(234,242,236,.72);margin-bottom:14px}
.form-label{display:block;font-size:13px;margin-bottom:6px}
.form-control{width:100%;padding:12px 14px;border-radius:var(--r-in);border:1px solid rgba(234,242,236,.24);background:rgba(255,255,255,.06);color:#F3F8F3;font-size:14.5px;transition:.2s ease}
.form-control::placeholder{color:rgba(234,242,236,.5)}
.form-control:focus{outline:none;border-color:var(--orange);box-shadow:0 0 0 4px rgba(255,106,42,.18)}
.foot-bottom{border-top:1px solid rgba(234,242,236,.14);padding:20px 0;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(234,242,236,.62)}

/* ===== 响应式 ===== */
@media (max-width:1199.98px){
  .page-hero h1{font-size:34px}
  .nav-link{padding:10px 10px;font-size:14.5px}
  .mega-panel{width:700px;grid-template-columns:1fr 1fr}
  .mega-col:last-child{display:none}
}
@media (max-width:991.98px){
  .topline{display:none}
  .nav-toggle{display:inline-flex}
  .nav-links{position:absolute;left:0;right:0;top:100%;display:none;flex-direction:column;align-items:stretch;gap:4px;background:#fff;padding:14px 20px 22px;box-shadow:var(--sh-2);border-top:1px solid var(--line);margin-left:0;max-height:78vh;overflow-y:auto}
  .nav-links.open{display:flex}
  .nav-link{padding:12px 14px;border-radius:14px;font-size:15.5px}
  .nav-link.active::after{left:14px;right:auto;width:44px}
  .nav-mega{width:100%}
  .mega-trigger{width:100%;justify-content:space-between;padding:12px 14px}
  .mega-panel{position:static;width:100%;max-width:none;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;border-top:1px dashed var(--line);border-radius:0;padding:16px 6px 6px;grid-template-columns:1fr;gap:18px;display:none}
  .nav-mega:hover .mega-panel{display:none}
  .nav-mega.open .mega-panel{display:grid}
  .mega-col:last-child{display:block}
  .hero-wrap{grid-template-columns:1fr;gap:32px}
  .page-hero{padding:52px 0 60px}
  .page-hero h1{font-size:30px}
  .stat-band{grid-template-columns:repeat(2,1fr)}
  .cta-block{grid-template-columns:1fr;padding:40px 28px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767.98px){
  .section{padding:56px 0}
  .section.tight{padding:44px 0}
  .masonry{column-count:1}
  .sec-head h2{font-size:24px}
  .page-hero h1{font-size:26px}
  .tl-wrap{padding:30px 22px}
  .stat-item b{font-size:34px}
  .cta-block h2{font-size:23px}
  .foot-grid{grid-template-columns:1fr}
}
@media (max-width:519.98px){
  .container{padding-left:18px;padding-right:18px}
  .hero-actions .btn-grad,.hero-actions .btn-ghost{width:100%}
  .cta-actions .btn-grad,.cta-actions .btn-ghost{width:100%}
  .data-badge{font-size:12.5px;padding:8px 13px}
  .stat-band{grid-template-columns:1fr}
  .hero-note{position:static;margin-top:14px}
}