/* roulang page: index */
:root{
  --c-primary:#1450C8;
  --c-primary-d:#0E3C9E;
  --c-primary-s:#EAF1FE;
  --c-accent:#FF7A2F;
  --c-accent-d:#E86A20;
  --c-teal:#0FA3A0;
  --c-teal-s:#E6F6F5;
  --c-bg:#F6F8FC;
  --c-surface:#FFFFFF;
  --c-ink:#101B2D;
  --c-ink-2:#4A5A72;
  --c-ink-3:#8A98AD;
  --c-line:#E4EAF3;
  --c-footer:#0E1B2E;
  --sh-1:0 1px 2px rgba(16,27,45,.05);
  --sh-2:0 6px 20px rgba(16,27,45,.07);
  --sh-3:0 14px 40px rgba(20,80,200,.14);
  --r-btn:10px;
  --r-card:16px;
  --r-panel:20px;
  --r-img:12px;
  --mono:"Inter","SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.8;color:var(--c-ink);background:var(--c-bg);
  font-weight:400;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease,background-color .18s ease;}
a:hover{color:var(--c-primary-d);}
h1,h2,h3,h4{margin:0;font-weight:600;color:var(--c-ink);letter-spacing:0;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums;}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
@media (min-width:1400px){.container{max-width:1240px;}}
.section{padding:96px 0;}
.section-tight{padding:64px 0;}
.section-line{border-top:1px solid var(--c-line);}
.sec-head{margin-bottom:40px;}
.sec-eyebrow{display:inline-block;font-size:13px;color:var(--c-primary);background:var(--c-primary-s);border-radius:999px;padding:4px 12px;margin-bottom:14px;}
.sec-title{font-size:32px;line-height:1.3;font-weight:600;}
.sec-desc{margin-top:12px;font-size:15px;color:var(--c-ink-2);max-width:720px;}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}

/* 按钮 */
.btn-main,.btn-ghost,.btn-accent,.btn-sm-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);border:1px solid transparent;cursor:pointer;
  font-weight:600;text-decoration:none;transition:all .18s ease;white-space:nowrap;
}
.btn-main{height:48px;padding:0 24px;background:var(--c-primary);color:#fff;font-size:15px;}
.btn-main:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-3);}
.btn-main:active{transform:translateY(0);box-shadow:none;}
.btn-accent{height:48px;padding:0 24px;background:var(--c-accent);color:#fff;font-size:15px;}
.btn-accent:hover{background:var(--c-accent-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-3);}
.btn-accent:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{height:48px;padding:0 22px;background:#fff;border-color:var(--c-line);color:var(--c-ink);font-size:15px;}
.btn-ghost:hover{background:#F2F6FF;border-color:var(--c-primary);color:var(--c-primary);}
.btn-sm-main{height:40px;padding:0 18px;background:var(--c-primary);color:#fff;font-size:14px;border-radius:8px;}
.btn-sm-main:hover{background:var(--c-primary-d);color:#fff;}
.btn-line{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;color:var(--c-primary);}
.btn-line:hover{gap:10px;}

/* 徽章 */
.badge-pill{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:3px 10px;font-size:12px;font-weight:500;line-height:1.6;}
.badge-plat{background:#F1F4F9;color:var(--c-ink-2);}
.badge-ver{background:var(--c-primary-s);color:var(--c-primary);}
.badge-state{background:var(--c-teal-s);color:var(--c-teal);}
.badge-accent{background:#FFF1E8;color:var(--c-accent-d);}

/* 导航 */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--c-line);}
.site-header.scrolled{box-shadow:var(--sh-1);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px;}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0;}
.brand-mark{width:36px;height:36px;border-radius:11px;background:var(--c-primary);display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;flex-shrink:0;}
.brand-text{font-size:19px;font-weight:700;color:var(--c-ink);letter-spacing:.2px;}
.nav-list{display:flex;align-items:center;gap:8px;margin:0;}
.nav-link{display:inline-block;padding:8px 14px;border-radius:8px;font-size:15px;font-weight:500;color:var(--c-ink-2);position:relative;}
.nav-link:hover{color:var(--c-primary);background:#F2F6FF;}
.nav-link.active{color:var(--c-primary);}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;background:var(--c-primary);border-radius:2px;}
.nav-right{display:flex;align-items:center;gap:16px;}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--c-line);background:#fff;border-radius:10px;color:var(--c-ink);font-size:17px;align-items:center;justify-content:center;}
.drawer{display:none;background:#fff;border-top:1px solid var(--c-line);padding:8px 0 20px;}
.drawer.open{display:block;}
.drawer a{display:block;height:52px;line-height:52px;padding:0 24px;font-size:15px;font-weight:500;color:var(--c-ink-2);border-bottom:1px solid #F2F5FA;}
.drawer a.active{color:var(--c-primary);background:#FAFCFF;}
.drawer .drawer-cta{margin:16px 24px 0;height:48px;line-height:48px;text-align:center;background:var(--c-primary);color:#fff;border-radius:10px;font-weight:600;}

/* Hero */
.hero{position:relative;overflow:hidden;padding:88px 0 72px;background:#fff;}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:.07;}
.hero-mask{position:absolute;inset:0;background:rgba(255,255,255,.93);}
.hero-inner{position:relative;display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:center;}
.hero-badge{display:inline-flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--c-line);box-shadow:var(--sh-1);border-radius:999px;padding:6px 14px;font-size:13px;color:var(--c-ink-2);margin-bottom:22px;}
.hero-title{font-size:44px;line-height:1.2;font-weight:700;letter-spacing:-.2px;}
.hero-title span{color:var(--c-primary);}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.8;color:var(--c-ink-2);max-width:520px;}
.hero-actions{margin-top:32px;display:flex;gap:14px;flex-wrap:wrap;}
.hero-trust{margin-top:34px;display:flex;align-items:center;gap:18px;flex-wrap:wrap;font-size:13px;color:var(--c-ink-3);}
.hero-trust .plat-icons{display:flex;align-items:center;gap:14px;font-size:17px;color:var(--c-ink-2);}
.hero-trust .divider{width:1px;height:18px;background:var(--c-line);}
.hero-media{position:relative;}
.hero-shot{position:relative;border-radius:var(--r-panel);overflow:hidden;box-shadow:var(--sh-2);background:#EEF2F9;}
.hero-shot img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.float-card{position:absolute;left:-24px;bottom:-26px;background:#fff;border-radius:var(--r-card);box-shadow:var(--sh-3);padding:16px 18px;min-width:220px;border:1px solid var(--c-line);}
.float-card .fc-label{font-size:12px;color:var(--c-ink-3);}
.float-card .fc-value{font-size:15px;font-weight:600;margin-top:2px;}
.float-card .fc-row{display:flex;justify-content:space-between;gap:16px;margin-top:12px;padding-top:12px;border-top:1px dashed var(--c-line);font-size:12px;color:var(--c-ink-3);}

/* 优势条 */
.advantage-bar{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.advantage-inner{display:grid;grid-template-columns:repeat(4,1fr);min-height:88px;align-items:center;}
.advantage-item{display:flex;align-items:center;gap:14px;padding:16px 24px;border-right:1px solid var(--c-line);}
.advantage-item:last-child{border-right:0;}
.advantage-item i{font-size:20px;color:var(--c-primary);width:24px;text-align:center;}
.advantage-item .ai-title{font-size:15px;font-weight:600;}
.advantage-item .ai-desc{font-size:13px;color:var(--c-ink-3);}

/* 轮播 */
.carousel-shell{position:relative;}
.carousel-window{overflow:hidden;border-radius:var(--r-panel);}
.shot-slide{background:#fff;border-radius:var(--r-panel);overflow:hidden;box-shadow:var(--sh-2);border:1px solid var(--c-line);}
.shot-slide img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.shot-caption{text-align:center;font-size:13px;color:var(--c-ink-3);margin-top:16px;}
.carousel-indicators{position:static;margin:24px 0 0;justify-content:center;gap:10px;display:flex;}
.carousel-indicators [data-bs-target]{width:18px;height:4px;border-radius:2px;background:#CBD5E4;border:0;opacity:1;transition:all .2s ease;margin:0;}
.carousel-indicators .active{width:24px;background:var(--c-primary);}
.carousel-btn{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border-radius:50%;background:#fff;border:1px solid var(--c-line);color:var(--c-ink-2);display:flex;align-items:center;justify-content:center;z-index:3;box-shadow:var(--sh-1);transition:all .18s ease;}
.carousel-btn:hover{color:var(--c-primary);border-color:var(--c-primary);}
.carousel-btn.prev{left:-22px;}
.carousel-btn.next{right:-22px;}

/* 系统要求 */
.spec-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.spec-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);transition:all .2s ease;}
.spec-card:hover{box-shadow:var(--sh-2);border-color:#D6E2F7;transform:translateY(-2px);}
.spec-icon{width:44px;height:44px;border-radius:12px;background:var(--c-primary-s);color:var(--c-primary);display:flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:16px;}
.spec-card h3{font-size:15px;font-weight:600;margin-bottom:8px;}
.spec-card p{font-size:14px;line-height:1.7;color:var(--c-ink-2);}

/* 评价墙 */
.review-wall{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;}
.review-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);transition:all .2s ease;}
.review-card:nth-child(2n){background:#FBFCFE;border-color:#DCE6F6;}
.review-card:hover{box-shadow:var(--sh-2);border-color:#D6E2F7;transform:translateY(-2px);}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.avatar{width:44px;height:44px;border-radius:999px;background:var(--c-primary-s);color:var(--c-primary);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:15px;flex-shrink:0;}
.review-name{font-size:15px;font-weight:600;}
.review-meta{font-size:12px;color:var(--c-ink-3);}
.stars{color:var(--c-accent);font-size:12px;letter-spacing:2px;margin-bottom:10px;}
.review-text{font-size:14px;line-height:1.7;color:var(--c-ink-2);}
.review-foot{margin-top:16px;padding-top:12px;border-top:1px dashed var(--c-line);font-size:12px;color:var(--c-ink-3);display:flex;justify-content:space-between;gap:12px;}

/* 下载面板 */
.dl-panel{background:var(--c-primary-s);border-radius:var(--r-panel);padding:56px 40px;border:1px solid #DCE6F6;}
.dl-head{text-align:center;max-width:660px;margin:0 auto 36px;}
.dl-head h2{font-size:32px;line-height:1.3;}
.dl-head p{margin-top:12px;font-size:15px;color:var(--c-ink-2);}
.dl-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.dl-btn{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:16px 18px;text-decoration:none;transition:all .2s ease;min-height:76px;}
.dl-btn:hover{border-color:var(--c-primary);box-shadow:var(--sh-2);transform:translateY(-2px);}
.dl-btn i{font-size:22px;color:var(--c-primary);width:26px;text-align:center;}
.dl-btn .dl-name{font-size:15px;font-weight:600;color:var(--c-ink);}
.dl-btn .dl-info{font-size:12px;color:var(--c-ink-3);}
.dl-btn.primary{background:var(--c-primary);border-color:var(--c-primary);}
.dl-btn.primary i,.dl-btn.primary .dl-name{color:#fff;}
.dl-btn.primary .dl-info{color:rgba(255,255,255,.78);}
.dl-btn.primary:hover{background:var(--c-primary-d);border-color:var(--c-primary-d);}
.dl-btn.accent{background:var(--c-accent);border-color:var(--c-accent);}
.dl-btn.accent i,.dl-btn.accent .dl-name{color:#fff;}
.dl-btn.accent .dl-info{color:rgba(255,255,255,.82);}
.dl-btn.accent:hover{background:var(--c-accent-d);border-color:var(--c-accent-d);}
.hash-line{margin-top:26px;text-align:center;font-family:var(--mono);font-size:12px;color:var(--c-ink-2);word-break:break-all;line-height:1.9;}

/* 资讯 / CMS 列表 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);text-decoration:none;transition:all .2s ease;height:100%;}
.news-card:hover{box-shadow:var(--sh-2);border-color:#D6E2F7;transform:translateY(-2px);}
.news-cover{aspect-ratio:16/9;background:#EEF2F9;overflow:hidden;}
.news-cover img{width:100%;height:100%;object-fit:cover;}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.news-tags{display:flex;align-items:center;gap:8px;margin-bottom:12px;flex-wrap:wrap;}
.news-title{font-size:17px;font-weight:600;line-height:1.5;color:var(--c-ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card:hover .news-title{color:var(--c-primary);}
.news-summary{margin-top:10px;font-size:14px;line-height:1.7;color:var(--c-ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-foot{margin-top:auto;padding-top:16px;font-size:13px;color:var(--c-ink-3);display:flex;align-items:center;justify-content:space-between;gap:12px;}
.empty-state{background:#fff;border:1px dashed var(--c-line);border-radius:var(--r-panel);padding:56px 24px;text-align:center;}
.empty-state i{font-size:28px;color:var(--c-ink-3);}
.empty-state p{margin:14px 0 20px;font-size:14px;color:var(--c-ink-2);}

/* FAQ */
.faq-layout{display:grid;grid-template-columns:1.9fr 1fr;gap:32px;align-items:start;}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:14px;margin-bottom:14px;overflow:hidden;transition:all .2s ease;}
.faq-item.open{border-color:#D6E2F7;background:#FBFCFE;box-shadow:var(--sh-1);}
.faq-item.open::before{content:"";display:block;height:3px;background:var(--c-primary);}
.faq-q{width:100%;background:none;border:0;text-align:left;padding:18px 22px;font-size:16px;font-weight:600;color:var(--c-ink);display:flex;align-items:center;justify-content:space-between;gap:16px;cursor:pointer;}
.faq-q i{font-size:13px;color:var(--c-ink-3);transition:transform .2s ease;flex-shrink:0;}
.faq-item.open .faq-q i{transform:rotate(180deg);color:var(--c-primary);}
.faq-a{display:none;padding:0 22px 20px;font-size:14px;line-height:1.8;color:var(--c-ink-2);}
.faq-item.open .faq-a{display:block;}
.cta-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-panel);padding:28px;box-shadow:var(--sh-1);}
.cta-card h3{font-size:20px;line-height:1.5;font-weight:600;}
.cta-card p{margin-top:12px;font-size:14px;line-height:1.8;color:var(--c-ink-2);}
.cta-card .cta-list{margin-top:18px;display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--c-ink-2);}
.cta-card .cta-list i{color:var(--c-teal);margin-right:8px;}
.cta-card .btn-main{margin-top:22px;width:100%;}

/* 页脚 */
.site-footer{background:var(--c-footer);color:#fff;padding-top:64px;padding-bottom:32px;margin-top:0;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.foot-brand .brand-mark{background:var(--c-primary);}
.foot-brand .brand-text{color:#fff;}
.foot-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:320px;}
.foot-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.foot-links li{margin-bottom:10px;}
.foot-links a{font-size:14px;color:rgba(255,255,255,.72);display:inline-block;transition:all .18s ease;}
.foot-links a:hover{color:#fff;transform:translateX(6px);}
.foot-contact{font-size:14px;color:rgba(255,255,255,.72);line-height:1.9;}
.foot-contact span{color:#fff;font-weight:500;}
.foot-bottom{margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5);}

/* 移动端吸底条 */
.mobile-dock{display:none;position:fixed;left:0;right:0;bottom:0;z-index:1040;background:#fff;border-top:1px solid var(--c-line);box-shadow:var(--sh-2);padding:8px 16px calc(8px + env(safe-area-inset-bottom));align-items:center;justify-content:space-between;gap:12px;min-height:56px;}
.mobile-dock .dock-text{font-size:13px;font-weight:600;}
.mobile-dock .dock-sub{font-size:11px;color:var(--c-ink-3);}
.mobile-dock .btn-accent{height:40px;padding:0 16px;font-size:14px;}

/* 响应式 */
@media (max-width:1199.98px){
  .hero-title{font-size:38px;}
  .carousel-btn.prev{left:-8px;}
  .carousel-btn.next{right:-8px;}
}
@media (max-width:991.98px){
  .section{padding:72px 0;}
  .nav-list,.nav-right .btn-sm-main{display:none;}
  .nav-toggle{display:flex;}
  .hero-inner{grid-template-columns:1fr;gap:40px;}
  .hero-title{font-size:34px;}
  .float-card{position:static;left:auto;bottom:auto;margin-top:16px;}
  .advantage-inner{grid-template-columns:repeat(2,1fr);}
  .advantage-item:nth-child(2){border-right:0;}
  .advantage-item:nth-child(1),.advantage-item:nth-child(2){border-bottom:1px solid var(--c-line);}
  .spec-grid{grid-template-columns:repeat(2,1fr);}
  .review-wall{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .dl-grid{grid-template-columns:repeat(2,1fr);}
  .faq-layout{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
}
@media (max-width:767.98px){
  .container{padding-left:16px;padding-right:16px;}
  .section{padding:56px 0;}
  .sec-title{font-size:24px;}
  .hero{padding:56px 0 48px;}
  .hero-title{font-size:30px;}
  .hero-sub{font-size:16px;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn-main,.hero-actions .btn-accent,.hero-actions .btn-ghost{width:100%;}
  .advantage-inner{grid-template-columns:1fr;}
  .advantage-item{border-right:0;border-bottom:1px solid var(--c-line);}
  .advantage-item:last-child{border-bottom:0;}
  .spec-grid,.review-wall,.news-grid,.dl-grid{grid-template-columns:1fr;}
  .dl-panel{padding:36px 20px;}
  .dl-head h2{font-size:24px;}
  .carousel-btn{display:none;}
  .mobile-dock{display:flex;}
  body{padding-bottom:64px;}
  .foot-grid{grid-template-columns:1fr;}
  .foot-bottom{flex-direction:column;gap:8px;}
}

/* roulang page: article */
:root{
  --c-primary:#1450C8;--c-primary-d:#0E3C9E;--c-primary-s:#EAF1FE;
  --c-accent:#FF7A2F;--c-accent-d:#E86A20;--c-teal:#0FA3A0;
  --c-bg:#F6F8FC;--c-surface:#FFFFFF;
  --c-ink:#101B2D;--c-ink-2:#4A5A72;--c-ink-3:#8A98AD;
  --c-line:#E4EAF3;--c-footer:#0E1B2E;
  --sh-1:0 1px 2px rgba(16,27,45,.05);
  --sh-2:0 6px 20px rgba(16,27,45,.07);
  --sh-3:0 14px 40px rgba(20,80,200,.14);
  --r-btn:10px;--r-card:16px;--r-panel:20px;--r-img:12px;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Consolas,"Liberation Mono",monospace;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;background:var(--c-bg);color:var(--c-ink);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.8;font-weight:400;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-primary-d);}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;}
h1,h2,h3,h4{margin:0;font-weight:600;color:var(--c-ink);}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--c-line);transition:box-shadow .2s ease;}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px;}
.brand{display:flex;align-items:center;gap:8px;}
.brand-mark{width:36px;height:36px;border-radius:11px;background:var(--c-primary);color:#fff;display:grid;place-items:center;font-size:15px;box-shadow:var(--sh-1);flex:0 0 auto;}
.brand-text{font-size:19px;font-weight:700;letter-spacing:.2px;color:var(--c-ink);}
.brand:hover .brand-text{color:var(--c-primary);}
.site-nav{display:flex;align-items:center;gap:32px;}
.nav-list{display:flex;align-items:center;gap:32px;list-style:none;}
.nav-link{display:inline-block;position:relative;padding:6px 10px;border-radius:8px;color:var(--c-ink-2);font-size:15px;font-weight:500;line-height:1.6;}
.nav-link:hover{color:var(--c-primary);background:#F2F6FF;}
.nav-link.active{color:var(--c-primary);}
.nav-link.active::after{content:"";position:absolute;left:10px;right:10px;bottom:-4px;height:2px;border-radius:2px;background:var(--c-primary);}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--c-line);background:#fff;border-radius:10px;color:var(--c-ink);align-items:center;justify-content:center;font-size:17px;cursor:pointer;}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary);}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;font-size:15px;font-weight:600;line-height:1;cursor:pointer;transition:background .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease,border-color .18s ease;white-space:nowrap;}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-3);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-accent{background:var(--c-accent);color:#fff;}
.btn-accent:hover{background:var(--c-accent-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-3);}
.btn-ghost{background:#fff;color:var(--c-ink);border-color:var(--c-line);}
.btn-ghost:hover{background:#F2F6FF;border-color:var(--c-primary);color:var(--c-primary);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:8px;}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;transform:none;pointer-events:none;}

/* ---------- badges ---------- */
.badge-soft,.badge-version,.badge-status,.badge-plain{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;font-size:12px;line-height:1.6;font-weight:500;}
.badge-soft{background:#F1F4F9;color:var(--c-ink-2);}
.badge-version{background:var(--c-primary-s);color:var(--c-primary);}
.badge-status{background:rgba(15,163,160,.12);color:#0B7D7B;}
.badge-plain{background:#F1F4F9;color:var(--c-ink-2);border:1px solid var(--c-line);}

/* ---------- breadcrumb & head ---------- */
.page-head{padding:22px 0 6px;}
.breadcrumb-line{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--c-ink-3);line-height:1.6;}
.breadcrumb-line a{color:var(--c-ink-3);}
.breadcrumb-line a:hover{color:var(--c-primary);}
.breadcrumb-line .sep{color:#C3CDDD;}
.crumb-current{max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--c-ink-2);}
.article-hero{padding:14px 0 28px;border-bottom:1px solid var(--c-line);}
.article-head{max-width:760px;}
.article-head h1{font-size:33px;line-height:1.38;font-weight:700;letter-spacing:-.2px;}
.meta-row{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-top:18px;font-size:13px;color:var(--c-ink-3);}
.meta-item{display:inline-flex;align-items:center;gap:6px;}

/* ---------- article body ---------- */
.article-wrap{padding:48px 0 8px;}
.article-body{max-width:760px;margin:0 auto;font-size:17px;line-height:1.9;color:#26324A;}
.article-body p{margin:0 0 20px;}
.article-body h2{position:relative;margin:32px 0;padding-left:14px;font-size:25px;line-height:1.4;font-weight:600;color:var(--c-ink);}
.article-body h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;background:var(--c-primary);}
.article-body h3{margin:28px 0 12px;font-size:20px;line-height:1.5;font-weight:700;color:var(--c-ink);}
.article-body h4{margin:22px 0 10px;font-size:17px;line-height:1.5;font-weight:600;}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:22px;}
.article-body li{margin-bottom:8px;line-height:1.8;}
.article-body ul{list-style:none;padding-left:18px;}
.article-body ul>li{position:relative;}
.article-body ul>li::before{content:"";position:absolute;left:-16px;top:12px;width:6px;height:6px;border-radius:50%;background:var(--c-primary);}
.article-body ol{list-style:decimal;}
.article-body img{border-radius:var(--r-img);width:100%;margin:8px 0;}
.article-body figure{margin:24px 0;}
.article-body figcaption{text-align:center;font-size:13px;color:var(--c-ink-3);margin-top:10px;}
.article-body blockquote{margin:24px 0;padding:16px 18px;background:var(--c-primary-s);border-left:3px solid var(--c-primary);border-radius:0 12px 12px 0;color:var(--c-ink-2);font-size:16px;}
.article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:2px;}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;}
.article-body .table-scroll{overflow-x:auto;margin:0 0 24px;}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--c-line);text-align:left;}
.article-body th{background:#F7F9FD;font-weight:600;color:var(--c-ink);}
.article-body code{font-family:var(--mono);font-size:14px;background:#F1F4F9;border-radius:6px;padding:2px 6px;}
.article-empty{max-width:760px;margin:0 auto;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:56px 24px;text-align:center;}
.article-empty i{font-size:30px;color:var(--c-ink-3);}
.article-empty p{margin:14px 0 22px;color:var(--c-ink-2);}

/* ---------- tags ---------- */
.tag-row{max-width:760px;margin:40px auto 0;padding-top:24px;border-top:1px solid var(--c-line);display:flex;align-items:center;flex-wrap:wrap;gap:10px;}
.tag-row .tag-label{font-size:13px;color:var(--c-ink-3);margin-right:4px;}
.tag{display:inline-block;padding:5px 12px;border-radius:999px;background:#F1F4F9;color:var(--c-ink-2);font-size:13px;transition:background .18s ease,color .18s ease;}
.tag:hover{background:var(--c-primary-s);color:var(--c-primary);}

/* ---------- sections ---------- */
.section{padding:72px 0;}
.section-head{max-width:720px;margin-bottom:32px;}
.section-head h2{font-size:28px;line-height:1.35;font-weight:600;}
.section-head p{margin:12px 0 0;color:var(--c-ink-2);font-size:15px;}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;}
.card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:#D6E2F7;}
.card-cover{position:relative;aspect-ratio:16/9;background:#EEF2F8;overflow:hidden;}
.card-cover img{width:100%;height:100%;object-fit:cover;}
.card-body{padding:20px 22px 22px;}
.card-body h3{font-size:17px;line-height:1.5;font-weight:600;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-body p{margin:0;font-size:14px;line-height:1.7;color:var(--c-ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px;font-size:13px;color:var(--c-ink-3);}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:14px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item.open{border-color:#D6E2F7;box-shadow:var(--sh-1);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;background:none;border:0;text-align:left;font-size:16px;font-weight:600;color:var(--c-ink);cursor:pointer;}
.faq-q .ind{flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:#F1F4F9;color:var(--c-ink-2);display:grid;place-items:center;font-size:12px;transition:transform .22s ease,background .22s ease,color .22s ease;}
.faq-item.open .faq-q .ind{transform:rotate(180deg);background:var(--c-primary-s);color:var(--c-primary);}
.faq-item.open .faq-q{background:#FBFCFE;box-shadow:inset 3px 0 0 var(--c-primary);}
.faq-a{display:none;padding:0 20px 20px 23px;font-size:15px;line-height:1.85;color:var(--c-ink-2);}
.faq-item.open .faq-a{display:block;}

/* ---------- cta panel ---------- */
.cta-panel{background:var(--c-primary-s);border:1px solid #D6E2F7;border-radius:var(--r-panel);padding:32px 36px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.cta-panel h2{font-size:24px;line-height:1.4;}
.cta-panel p{margin:10px 0 0;font-size:15px;color:var(--c-ink-2);max-width:620px;}
.cta-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.foot-note-line{font-family:var(--mono);font-size:12px;color:var(--c-ink-3);margin-top:16px;letter-spacing:.2px;}

/* ---------- back bar ---------- */
.back-bar{max-width:760px;margin:40px auto 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:24px;border-top:1px solid var(--c-line);}
.back-bar .link-back{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:500;}

/* ---------- footer ---------- */
.site-footer{background:var(--c-footer);color:rgba(255,255,255,.72);padding:64px 0 32px;margin-top:72px;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.foot-brand{display:flex;align-items:center;gap:8px;margin-bottom:16px;}
.foot-brand .brand-mark{background:var(--c-primary);}
.foot-brand .brand-text{color:#fff;font-size:19px;font-weight:700;}
.foot-desc{margin:0;font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:340px;}
.foot-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.foot-links{list-style:none;display:flex;flex-direction:column;gap:10px;}
.foot-links a{color:rgba(255,255,255,.72);font-size:14px;display:inline-block;transition:color .18s ease,transform .18s ease;}
.foot-links a:hover{color:#fff;transform:translateX(6px);}
.foot-contact p{margin:0 0 10px;font-size:14px;color:rgba(255,255,255,.72);}
.foot-contact span{color:#fff;}
.foot-bottom{margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.55);}

/* ---------- mobile download bar ---------- */
.mobile-dl-bar{display:none;}

/* ---------- back to top ---------- */
.to-top{position:fixed;right:20px;bottom:24px;width:46px;height:46px;border-radius:50%;border:1px solid var(--c-line);background:#fff;color:var(--c-ink-2);box-shadow:var(--sh-2);display:grid;place-items:center;cursor:pointer;opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease,color .2s ease;}
.to-top.show{opacity:1;visibility:visible;}
.to-top:hover{color:var(--c-primary);border-color:var(--c-primary);}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .container{max-width:1100px;}
}
@media (max-width:991px){
  .nav-toggle{display:inline-flex;}
  .site-nav{position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--c-line);box-shadow:var(--sh-2);flex-direction:column;align-items:stretch;gap:0;padding:8px 0 16px;display:none;}
  .site-nav.open{display:flex;}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;}
  .nav-list li{border-bottom:1px solid #F1F4F9;}
  .nav-link{display:block;padding:15px 24px;border-radius:0;font-size:15px;min-height:52px;}
  .nav-link:hover{background:#F2F6FF;}
  .nav-link.active::after{display:none;}
  .site-nav .header-cta{margin:16px 24px 0;}
  .header-inner{min-height:60px;}
  .article-head h1{font-size:28px;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .section{padding:56px 0;}
  .section-head h2{font-size:24px;}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .cta-panel{padding:26px 24px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  body{padding-bottom:64px;}
  .site-footer{margin-top:56px;}
  .page-head{padding:16px 0 2px;}
  .article-hero{padding:10px 0 22px;}
  .article-head h1{font-size:24px;}
  .article-wrap{padding:32px 0 0;}
  .article-body{font-size:16px;line-height:1.85;}
  .article-body h2{font-size:21px;margin:28px 0 16px;}
  .grid-3{grid-template-columns:1fr;}
  .section{padding:48px 0;}
  .cta-panel{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
  .to-top{display:none;}
  .mobile-dl-bar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:1040;height:56px;background:#fff;border-top:1px solid var(--c-line);box-shadow:var(--sh-2);align-items:center;justify-content:space-between;gap:12px;padding:0 16px;padding-bottom:env(safe-area-inset-bottom);}
  .mobile-dl-bar .dl-text{font-size:13px;color:var(--c-ink-2);font-family:var(--mono);}
  .mobile-dl-bar .btn{height:40px;padding:0 16px;font-size:14px;}
}
@media (max-width:575px){
  .article-head h1{font-size:22px;}
  .breadcrumb-line{font-size:12px;}
  .crumb-current{max-width:180px;}
}

/* roulang page: category1 */
:root{
  --c-primary:#1450C8;
  --c-primary-d:#0E3C9E;
  --c-primary-s:#EAF1FE;
  --c-accent:#FF7A2F;
  --c-accent-d:#E86A20;
  --c-teal:#0FA3A0;
  --c-bg:#F6F8FC;
  --c-surface:#FFFFFF;
  --c-ink:#101B2D;
  --c-ink-2:#4A5A72;
  --c-ink-3:#8A98AD;
  --c-line:#E4EAF3;
  --c-footer:#0E1B2E;
  --r-btn:10px;
  --r-card:16px;
  --r-panel:20px;
  --r-img:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,27,45,.05);
  --sh-2:0 6px 20px rgba(16,27,45,.07);
  --sh-3:0 14px 40px rgba(20,80,200,.14);
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --sec-pad:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-primary-d);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.35;color:var(--c-ink);}
p{margin:0;}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:var(--sec-pad) 0;}
.section-alt{background:#FFFFFF;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.section-head{max-width:720px;margin-bottom:40px;}
.section-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:600;color:var(--c-primary);letter-spacing:.04em;}
.section-title{font-size:32px;font-weight:600;margin-top:10px;}
.section-sub{margin-top:12px;color:var(--c-ink-2);font-size:15px;}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border:1px solid transparent;border-radius:var(--r-btn);font-size:15px;font-weight:600;cursor:pointer;transition:background .2s ease,color .2s ease,box-shadow .2s ease,transform .2s ease,border-color .2s ease;white-space:nowrap;}
.btn i{font-size:15px;}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-3);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-accent{background:var(--c-accent);color:#fff;}
.btn-accent:hover{background:var(--c-accent-d);color:#fff;transform:translateY(-1px);box-shadow:0 14px 34px rgba(232,106,32,.24);}
.btn-accent:active{transform:translateY(0);box-shadow:none;}
.btn-outline{background:#fff;border-color:var(--c-line);color:var(--c-ink);}
.btn-outline:hover{background:#F2F6FF;border-color:var(--c-primary);color:var(--c-primary);}
.btn-sm{height:40px;padding:0 16px;font-size:14px;border-radius:8px;}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;transform:none;cursor:not-allowed;}

/* ============ 徽章 / 标签 ============ */
.pill{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:var(--r-pill);font-size:12px;font-weight:500;line-height:1.6;white-space:nowrap;}
.pill-platform{background:#F1F4F9;color:var(--c-ink-2);}
.pill-version{background:var(--c-primary-s);color:var(--c-primary);font-family:var(--mono);font-variant-numeric:tabular-nums;}
.pill-status{background:rgba(15,163,160,.10);color:var(--c-teal);}
.pill-accent{background:rgba(255,122,47,.12);color:var(--c-accent-d);}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:12.5px;color:var(--c-ink-3);}

/* ============ 头部导航 ============ */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--c-line);transition:box-shadow .25s ease;}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--c-ink);}
.brand:hover{color:var(--c-ink);}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:11px;background:var(--c-primary);color:#fff;font-size:15px;box-shadow:0 6px 16px rgba(20,80,200,.22);}
.brand-text{font-size:19px;font-weight:700;letter-spacing:.01em;}
.nav-list{display:flex;align-items:center;gap:12px;}
.nav-link{position:relative;display:inline-block;padding:10px 12px;border-radius:8px;font-size:15px;font-weight:500;color:var(--c-ink-2);}
.nav-link:hover{color:var(--c-primary);background:#F2F6FF;}
.nav-link.active{color:var(--c-primary);font-weight:600;}
.nav-link.active::after{content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;border-radius:2px;background:var(--c-primary);}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;border:1px solid var(--c-line);border-radius:10px;background:#fff;color:var(--c-ink);font-size:17px;}
.nav-toggle:hover{background:#F2F6FF;color:var(--c-primary);border-color:var(--c-primary);}
.mobile-drawer{display:none;border-top:1px solid var(--c-line);background:#fff;padding:8px 0 16px;}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a{display:flex;align-items:center;height:52px;padding:0 24px;font-size:16px;font-weight:500;color:var(--c-ink-2);border-bottom:1px solid #F1F4F9;}
.mobile-drawer a.active{color:var(--c-primary);font-weight:600;background:#F7FAFF;}
.mobile-drawer .drawer-cta{margin:16px 24px 0;}

/* ============ Hero ============ */
.page-hero{position:relative;padding:72px 0 72px;background-image:linear-gradient(rgba(255,255,255,.94),rgba(255,255,255,.94)),url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-3);margin-bottom:22px;}
.crumb a{color:var(--c-ink-3);}
.crumb a:hover{color:var(--c-primary);}
.crumb span.sep{color:#C3CDDD;}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;}
.hero-title{font-size:44px;line-height:1.2;font-weight:700;letter-spacing:-.01em;}
.hero-lead{margin-top:18px;font-size:16.5px;color:var(--c-ink-2);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-trust{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:30px;padding-top:24px;border-top:1px solid var(--c-line);}
.trust-item{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--c-ink-2);}
.trust-item i{color:var(--c-primary);font-size:15px;}
.hero-media{position:relative;}
.media-box{position:relative;background:#EEF2F8;border-radius:var(--r-img);overflow:hidden;}
.media-box img{width:100%;border-radius:var(--r-img);}
.media-box.hero-shot img{border-radius:var(--r-panel);box-shadow:var(--sh-2);}
.media-box.is-fallback::after{content:"\f03e";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:var(--c-ink-3);font-size:32px;}
.float-card{position:absolute;left:-18px;bottom:-26px;background:#fff;border:1px solid var(--c-line);border-radius:14px;box-shadow:var(--sh-3);padding:16px 20px;min-width:220px;}
.float-card .fc-title{font-size:13px;color:var(--c-ink-3);}
.float-card .fc-value{font-family:var(--mono);font-size:16px;font-weight:600;color:var(--c-ink);margin-top:2px;}
.float-card .fc-line{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:8px;font-size:12.5px;color:var(--c-ink-3);}

/* ============ 版本列表区 ============ */
.release-layout{display:grid;grid-template-columns:262px minmax(0,1fr);gap:32px;align-items:start;}
.filter-panel{position:sticky;top:96px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:22px;}
.filter-panel h3{font-size:15px;font-weight:600;margin-bottom:12px;}
.filter-group{padding-bottom:18px;margin-bottom:18px;border-bottom:1px solid var(--c-line);}
.filter-group:last-child{padding-bottom:0;margin-bottom:0;border-bottom:none;}
.filter-group .fg-label{font-size:13px;font-weight:600;color:var(--c-ink-3);letter-spacing:.03em;margin-bottom:10px;}
.filter-btns{display:flex;flex-wrap:wrap;gap:8px;}
.filter-btn{display:inline-flex;align-items:center;height:34px;padding:0 13px;border:1px solid var(--c-line);border-radius:8px;background:#fff;color:var(--c-ink-2);font-size:13.5px;font-weight:500;cursor:pointer;transition:all .18s ease;}
.filter-btn:hover{border-color:var(--c-primary);color:var(--c-primary);background:#F7FAFF;}
.filter-btn.is-active{background:var(--c-primary-s);border-color:var(--c-primary-s);color:var(--c-primary);font-weight:600;}
.release-list{display:flex;flex-direction:column;gap:16px;}
.release-card{display:flex;gap:24px;justify-content:space-between;align-items:center;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:24px;transition:box-shadow .22s ease,border-color .22s ease,transform .22s ease;}
.release-card:hover{box-shadow:var(--sh-2);border-color:#D6E2F7;transform:translateY(-2px);}
.release-head{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:12px;}
.release-head time{font-size:13px;color:var(--c-ink-3);font-family:var(--mono);font-variant-numeric:tabular-nums;}
.release-card h3{font-size:18px;font-weight:600;}
.release-notes{list-style:none;margin-top:12px;}
.release-notes li{position:relative;padding-left:16px;font-size:14px;line-height:1.7;color:var(--c-ink-2);}
.release-notes li+li{margin-top:4px;}
.release-notes li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--c-primary);opacity:.5;}
.release-meta{margin-top:12px;}
.release-action{flex:0 0 auto;display:flex;flex-direction:column;align-items:flex-end;gap:8px;}
.release-action .size{font-family:var(--mono);font-size:12.5px;color:var(--c-ink-3);}
.pager{display:flex;align-items:center;gap:8px;margin-top:32px;justify-content:center;}
.pager-item{display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:40px;padding:0 14px;border:1px solid var(--c-line);border-radius:10px;background:#fff;color:var(--c-ink-2);font-size:14px;}
.pager-item:hover{border-color:var(--c-primary);color:var(--c-primary);}
.pager-item.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}
.pager-item.is-disabled{color:#B9C4D4;background:#F7F9FC;}

/* ============ 系统要求 ============ */
.req-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.req-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:24px;transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;}
.req-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:#D6E2F7;}
.req-icon{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;background:var(--c-primary-s);color:var(--c-primary);font-size:18px;margin-bottom:16px;}
.req-card h3{font-size:15px;font-weight:600;}
.req-card p{margin-top:8px;font-size:14px;line-height:1.7;color:var(--c-ink-2);}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:40px;align-items:start;}
.accordion-item{border:none;background:#fff;border-radius:14px;margin-bottom:12px;box-shadow:var(--sh-1);overflow:hidden;}
.accordion-button{width:100%;padding:20px 24px;background:#fff;border:none;font-size:16px;font-weight:600;color:var(--c-ink);text-align:left;box-shadow:none!important;border-radius:14px;}
.accordion-button:not(.collapsed){background:#FBFCFE;color:var(--c-primary);box-shadow:inset 3px 0 0 var(--c-primary)!important;border-radius:14px 14px 0 0;}
.accordion-button:hover{color:var(--c-primary);}
.accordion-button:focus{outline:2px solid var(--c-primary);outline-offset:2px;}
.accordion-button::after{content:"";width:9px;height:9px;margin-left:auto;flex-shrink:0;background-image:none;border-right:2px solid var(--c-ink-3);border-bottom:2px solid var(--c-ink-3);transform:rotate(45deg);transition:transform .25s ease;position:relative;top:-2px;}
.accordion-button:not(.collapsed)::after{border-color:var(--c-primary);transform:rotate(-135deg);top:2px;}
.accordion-body{padding:4px 24px 22px;font-size:14.5px;line-height:1.8;color:var(--c-ink-2);background:#FBFCFE;}
.faq-side{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-panel);box-shadow:var(--sh-1);padding:28px;}
.faq-side h3{font-size:19px;}
.faq-side p{margin-top:10px;font-size:14.5px;color:var(--c-ink-2);}
.faq-side .side-list{margin:18px 0 22px;}
.faq-side .side-list li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--c-ink-2);padding:7px 0;}
.faq-side .side-list i{color:var(--c-teal);margin-top:5px;font-size:13px;}

/* ============ CTA ============ */
.cta-panel{background:var(--c-primary-s);border:1px solid #D8E4FB;border-radius:var(--r-panel);padding:40px;display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between;}
.cta-panel h2{font-size:24px;font-weight:600;}
.cta-panel p{margin-top:10px;font-size:15px;color:var(--c-ink-2);max-width:640px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-footer);color:rgba(255,255,255,.72);padding:64px 0 32px;margin-top:0;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.foot-brand{display:flex;align-items:center;gap:10px;color:#fff;}
.foot-brand .brand-mark{background:var(--c-primary);}
.foot-brand .brand-text{font-size:19px;font-weight:700;color:#fff;}
.foot-desc{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:340px;}
.foot-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.foot-links li{margin-bottom:10px;}
.foot-links a{font-size:14px;color:rgba(255,255,255,.72);display:inline-block;transition:transform .2s ease,color .2s ease;}
.foot-links a:hover{color:#fff;transform:translateX(6px);}
.foot-contact p{font-size:14px;color:rgba(255,255,255,.72);margin-bottom:10px;}
.foot-contact span{color:#fff;}
.foot-bottom{margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.55);}

/* ============ 移动端吸底 ============ */
.sticky-download{display:none;position:fixed;left:0;right:0;bottom:0;z-index:1040;background:#fff;border-top:1px solid var(--c-line);box-shadow:0 -6px 20px rgba(16,27,45,.07);padding:10px 16px calc(10px + env(safe-area-inset-bottom,0px));align-items:center;justify-content:space-between;gap:12px;}
.sticky-download .sd-text{font-size:13px;color:var(--c-ink-2);font-family:var(--mono);}
.sticky-download .sd-text strong{display:block;font-family:var(--font);font-size:14px;color:var(--c-ink);font-weight:600;}

/* ============ 响应式 ============ */
@media (min-width:1400px){
  .container{max-width:1240px;}
}
@media (max-width:1199px){
  .hero-title{font-size:38px;}
  .req-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:991px){
  :root{--sec-pad:72px;}
  .nav-list,.header-actions .btn{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-title{font-size:34px;}
  .hero-media img{width:100%;}
  .float-card{position:static;margin-top:16px;left:auto;bottom:auto;}
  .release-layout{grid-template-columns:1fr;gap:24px;}
  .filter-panel{position:static;}
  .faq-layout{grid-template-columns:1fr;gap:24px;}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:767px){
  :root{--sec-pad:56px;}
  .container{padding:0 16px;}
  .header-inner{height:60px;}
  .brand-text{font-size:18px;}
  .page-hero{padding:48px 0 56px;}
  .hero-title{font-size:30px;}
  .hero-lead{font-size:15.5px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .section-title{font-size:24px;}
  .release-card{flex-direction:column;align-items:flex-start;}
  .release-action{align-items:stretch;width:100%;}
  .release-action .btn{width:100%;}
  .req-grid{grid-template-columns:1fr;}
  .cta-panel{padding:28px 22px;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .foot-grid{grid-template-columns:1fr;}
  .sticky-download{display:flex;}
  body{padding-bottom:76px;}
}
@media (max-width:520px){
  .hero-title{font-size:27px;}
  .pill{font-size:11.5px;}
  .filter-btn{font-size:13px;height:32px;}
}

/* roulang page: category2 */
:root{
  --c-primary:#1450C8;
  --c-primary-d:#0E3C9E;
  --c-primary-s:#EAF1FE;
  --c-accent:#FF7A2F;
  --c-accent-d:#E86A20;
  --c-teal:#0FA3A0;
  --c-bg:#F6F8FC;
  --c-surface:#FFFFFF;
  --c-ink:#101B2D;
  --c-ink-2:#4A5A72;
  --c-ink-3:#8A98AD;
  --c-line:#E4EAF3;
  --c-footer:#0E1B2E;
  --r-btn:10px;
  --r-card:16px;
  --r-panel:20px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(16,27,45,.05);
  --sh-2:0 6px 20px rgba(16,27,45,.07);
  --sh-3:0 14px 40px rgba(20,80,200,.14);
  --font: "PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  --mono: "Inter",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--c-ink);
  background:var(--c-bg);
  font-weight:400;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease,background-color .18s ease,transform .18s ease;}
a:hover{color:var(--c-primary-d);}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 16px;}
h1,h2,h3,h4{margin:0;font-weight:600;color:var(--c-ink);}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.nums{font-family:var(--mono);font-variant-numeric:tabular-nums;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.header-inner{
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--c-ink);
  flex-shrink:0;
}
.brand:hover{color:var(--c-ink);}
.brand-mark{
  width:36px;
  height:36px;
  border-radius:11px;
  background:var(--c-primary);
  color:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:15px;
  box-shadow:var(--sh-1);
}
.brand-text{
  font-size:19px;
  font-weight:700;
  letter-spacing:.2px;
  white-space:nowrap;
}
.nav-list{
  display:flex;
  align-items:center;
  gap:32px;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 10px;
  font-size:15px;
  font-weight:500;
  color:var(--c-ink-2);
  border-radius:8px;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:10px;
  right:10px;
  bottom:2px;
  height:2px;
  border-radius:2px;
  background:transparent;
  transition:background-color .18s ease;
}
.nav-link:hover{
  color:var(--c-primary);
  background:#F2F6FF;
}
.nav-link.active{
  color:var(--c-primary);
  font-weight:600;
}
.nav-link.active::after{background:var(--c-primary);}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border:1px solid var(--c-line);
  border-radius:10px;
  background:#fff;
  color:var(--c-ink);
  font-size:17px;
  align-items:center;
  justify-content:center;
  cursor:pointer;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 22px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-sm{height:40px;padding:0 16px;border-radius:8px;font-size:14px;}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-3);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-accent{background:var(--c-accent);color:#fff;}
.btn-accent:hover{background:var(--c-accent-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-3);}
.btn-accent:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:#fff;color:var(--c-ink);border-color:var(--c-line);}
.btn-ghost:hover{background:#F2F6FF;color:var(--c-primary);border-color:var(--c-primary);}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none;}

/* ============ 徽章 ============ */
.badge-pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 10px;
  border-radius:999px;
  font-size:12px;
  line-height:1.6;
  font-weight:500;
  white-space:nowrap;
}
.badge-platform{background:#F1F4F9;color:var(--c-ink-2);}
.badge-version{background:var(--c-primary-s);color:var(--c-primary);font-family:var(--mono);}
.badge-status{background:rgba(15,163,160,.12);color:#0B7E7C;}
.badge-warn{background:rgba(255,122,47,.12);color:#B64F13;}

/* ============ Hero ============ */
.hero{
  position:relative;
  background:#fff url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  border-bottom:1px solid var(--c-line);
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:rgba(255,255,255,.94);
}
.hero-inner{
  position:relative;
  padding:72px 0 64px;
  max-width:840px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:5px 12px;
  border-radius:999px;
  background:var(--c-primary-s);
  color:var(--c-primary);
  font-size:13px;
  font-weight:500;
  margin-bottom:20px;
}
.hero h1{
  font-size:44px;
  line-height:1.2;
  font-weight:700;
  letter-spacing:-.2px;
  margin-bottom:18px;
}
.hero-sub{
  font-size:17px;
  color:var(--c-ink-2);
  max-width:640px;
  margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px 22px;
  font-size:13px;
  color:var(--c-ink-3);
}
.hero-meta .meta-item{display:inline-flex;align-items:center;gap:7px;}
.hero-meta i{color:var(--c-primary);}

/* ============ 通用板块 ============ */
.section{padding:80px 0;}
.section-white{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{
  font-size:32px;
  line-height:1.3;
  margin-bottom:12px;
}
.section-head p{color:var(--c-ink-2);font-size:15px;margin:0;}
.section-head.is-center{margin-left:auto;margin-right:auto;text-align:center;}

/* ============ 安装前准备 ============ */
.prep-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.prep-card{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--sh-1);
  transition:box-shadow .2s ease,border-color .2s ease,transform .2s ease;
}
.prep-card:hover{box-shadow:var(--sh-2);border-color:#D6E2F7;transform:translateY(-2px);}
.prep-icon{
  width:44px;
  height:44px;
  border-radius:12px;
  background:var(--c-primary-s);
  color:var(--c-primary);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:18px;
  margin-bottom:16px;
}
.prep-card h3{font-size:16px;margin-bottom:8px;}
.prep-card p{font-size:14px;line-height:1.7;color:var(--c-ink-2);margin:0;}
.prep-note{
  margin-top:28px;
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:16px 20px;
  border-radius:14px;
  background:var(--c-primary-s);
  font-size:14px;
  color:var(--c-ink-2);
  line-height:1.7;
}
.prep-note i{color:var(--c-primary);margin-top:4px;}

/* ============ 锚点目录 + 步骤区 ============ */
.steps-layout{
  display:grid;
  grid-template-columns:minmax(0,4fr) minmax(0,8fr);
  gap:48px;
  align-items:start;
}
.anchor-box{
  position:sticky;
  top:96px;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:22px;
  box-shadow:var(--sh-1);
}
.anchor-title{
  font-size:13px;
  font-weight:600;
  color:var(--c-ink-3);
  letter-spacing:.4px;
  margin-bottom:14px;
}
.anchor-list li + li{margin-top:4px;}
.anchor-link{
  display:block;
  padding:9px 0 9px 14px;
  border-left:2px solid var(--c-line);
  font-size:14.5px;
  color:var(--c-ink-2);
  transition:color .18s ease,border-color .18s ease,background-color .18s ease;
}
.anchor-link:hover{color:var(--c-primary);background:#F7FAFF;}
.anchor-link.active{
  color:var(--c-primary);
  border-left-color:var(--c-primary);
  font-weight:600;
  background:#F7FAFF;
}
.anchor-tip{
  margin-top:18px;
  padding-top:16px;
  border-top:1px dashed var(--c-line);
  font-size:13px;
  color:var(--c-ink-3);
  line-height:1.7;
}

.step-group + .step-group{margin-top:56px;}
.group-title{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:22px;
  margin-bottom:8px;
}
.group-title span.g-index{
  font-family:var(--mono);
  font-size:13px;
  color:var(--c-primary);
  background:var(--c-primary-s);
  border-radius:999px;
  padding:2px 10px;
  font-weight:600;
}
.group-desc{font-size:14.5px;color:var(--c-ink-2);margin-bottom:24px;}
.step-card{
  position:relative;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--sh-1);
  transition:box-shadow .2s ease,border-color .2s ease;
}
.step-card:hover{box-shadow:var(--sh-2);border-color:#D6E2F7;}
.step-card:not(:last-child){margin-bottom:44px;}
.step-card:not(:last-child)::before{
  content:"";
  position:absolute;
  left:39px;
  top:100%;
  height:44px;
  border-left:2px dashed #D6E2F7;
}
.step-head{display:flex;align-items:center;gap:14px;margin-bottom:12px;}
.step-no{
  width:32px;
  height:32px;
  flex:0 0 32px;
  border-radius:50%;
  background:var(--c-primary);
  color:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-family:var(--mono);
  font-size:14px;
  font-weight:600;
}
.step-head h3{font-size:17.5px;}
.step-text{font-size:15px;color:var(--c-ink-2);line-height:1.8;margin-bottom:16px;}
.step-text:last-child{margin-bottom:0;}
.step-shot{
  margin:0;
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--c-line);
  background:#EEF2F8;
}
.step-shot img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  border-radius:var(--r-img);
}
.step-shot figcaption{
  padding:10px 14px;
  font-size:13px;
  color:var(--c-ink-3);
  background:#fff;
  border-top:1px solid var(--c-line);
}
.step-list{margin:0 0 16px;}
.step-list li{
  position:relative;
  padding-left:20px;
  font-size:14.5px;
  color:var(--c-ink-2);
  line-height:1.8;
}
.step-list li + li{margin-top:6px;}
.step-list li::before{
  content:"";
  position:absolute;
  left:2px;
  top:11px;
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--c-primary);
}
.code-line{
  display:inline-block;
  font-family:var(--mono);
  font-size:13px;
  background:#F4F7FC;
  border:1px solid var(--c-line);
  border-radius:8px;
  padding:2px 8px;
  color:var(--c-ink-2);
}

/* ============ 注意事项 ============ */
.notice-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.notice-card{
  display:flex;
  gap:16px;
  padding:22px 24px;
  border-radius:var(--r-card);
  background:var(--c-primary-s);
  border:1px solid #D8E5FB;
}
.notice-card.is-warm{background:#FFF4EC;border-color:#FBDCC6;}
.notice-icon{
  width:40px;
  height:40px;
  flex:0 0 40px;
  border-radius:11px;
  background:#fff;
  color:var(--c-primary);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:16px;
}
.notice-card.is-warm .notice-icon{color:var(--c-accent-d);}
.notice-card h3{font-size:16px;margin-bottom:6px;}
.notice-card p{font-size:14px;color:var(--c-ink-2);line-height:1.7;margin:0;}

/* ============ 校验结果 ============ */
.verify-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.verify-item{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:20px;
  box-shadow:var(--sh-1);
}
.verify-item h3{
  font-size:15px;
  display:flex;
  align-items:center;
  gap:8px;
  margin-bottom:8px;
}
.verify-item h3 i{color:var(--c-teal);}
.verify-item p{font-size:13.5px;color:var(--c-ink-2);line-height:1.7;margin:0;}

/* ============ FAQ ============ */
.faq-grid{
  display:grid;
  grid-template-columns:minmax(0,8fr) minmax(0,4fr);
  gap:32px;
  align-items:start;
}
.faq-item{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:14px;
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.faq-item + .faq-item{margin-top:12px;}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:18px 52px 18px 20px;
  position:relative;
  font-size:15.5px;
  font-weight:600;
  color:var(--c-ink);
  transition:background-color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"\f107";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  position:absolute;
  right:20px;
  top:50%;
  transform:translateY(-50%);
  color:var(--c-ink-3);
  font-size:14px;
  transition:transform .2s ease,color .2s ease;
}
.faq-item summary:hover{background:#F7FAFF;}
.faq-item[open] summary{background:#FBFCFE;border-left:3px solid var(--c-primary);padding-left:17px;}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(180deg);color:var(--c-primary);}
.faq-body{
  padding:4px 20px 20px;
  font-size:14.5px;
  color:var(--c-ink-2);
  line-height:1.8;
  border-top:1px solid var(--c-line);
  margin-top:-1px;
  padding-top:16px;
}
.faq-body p:last-child{margin-bottom:0;}
.faq-cta{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--sh-2);
}
.faq-cta h3{font-size:18px;margin-bottom:10px;}
.faq-cta p{font-size:14px;color:var(--c-ink-2);line-height:1.7;}
.faq-cta .btn{width:100%;margin-top:6px;}

/* ============ 通栏 CTA ============ */
.cta-band{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-panel);
  padding:32px 36px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  box-shadow:var(--sh-2);
}
.cta-band h2{font-size:24px;margin-bottom:8px;}
.cta-band p{font-size:14.5px;color:var(--c-ink-2);margin:0;}
.cta-band .cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex-shrink:0;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-footer);
  color:rgba(255,255,255,.72);
  padding-top:64px;
  margin-top:0;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.1fr;
  gap:40px;
  padding-bottom:44px;
}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.foot-brand .brand-mark{background:var(--c-primary);box-shadow:none;}
.foot-brand .brand-text{color:#fff;font-size:18px;font-weight:700;}
.foot-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);margin:0;}
.foot-title{
  color:#fff;
  font-size:15px;
  font-weight:600;
  margin-bottom:16px;
}
.foot-links li + li{margin-top:10px;}
.foot-links a{
  display:inline-block;
  font-size:14px;
  color:rgba(255,255,255,.72);
  transition:color .18s ease,transform .18s ease;
}
.foot-links a:hover{color:#fff;transform:translateX(6px);}
.foot-contact p{
  font-size:14px;
  color:rgba(255,255,255,.72);
  margin:0 0 10px;
  line-height:1.7;
}
.foot-contact span{color:rgba(255,255,255,.95);}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 32px;
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.5);
}

/* ============ 移动端吸底下载条 ============ */
.mobile-bar{
  display:none;
  position:fixed;
  left:0;
  right:0;
  bottom:0;
  z-index:80;
  background:#fff;
  border-top:1px solid var(--c-line);
  box-shadow:var(--sh-2);
  padding:8px 16px calc(8px + env(safe-area-inset-bottom));
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.mobile-bar .mb-text{font-size:13px;color:var(--c-ink-2);line-height:1.4;}
.mobile-bar .mb-text strong{
  display:block;
  font-size:13.5px;
  color:var(--c-ink);
  font-weight:600;
}
.mobile-bar .btn{height:42px;padding:0 16px;font-size:14px;}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .container{max-width:100%;}
  .hero h1{font-size:38px;}
}
@media (max-width:991.98px){
  .section{padding:64px 0;}
  .hero-inner{padding:56px 0 48px;}
  .hero h1{font-size:32px;}
  .section-head h2{font-size:26px;}
  .prep-grid{grid-template-columns:repeat(2,1fr);}
  .verify-grid{grid-template-columns:repeat(2,1fr);}
  .steps-layout{grid-template-columns:1fr;gap:32px;}
  .anchor-box{position:static;}
  .faq-grid{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:26px 24px;}
  .nav-list{gap:18px;}
}
@media (max-width:767.98px){
  .container{padding-left:16px;padding-right:16px;}
  .header-inner{height:60px;}
  .brand-text{font-size:18px;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn-sm{display:none;}
  nav[aria-label="主导航"]{
    position:absolute;
    left:0;
    right:0;
    top:60px;
    background:#fff;
    border-bottom:1px solid var(--c-line);
    box-shadow:var(--sh-2);
    display:none;
  }
  nav[aria-label="主导航"].is-open{display:block;}
  .nav-list{
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:8px 16px 16px;
  }
  .nav-list li{border-bottom:1px solid var(--c-line);}
  .nav-list li:last-child{border-bottom:none;}
  .nav-link{display:flex;align-items:center;height:52px;padding:0 4px;border-radius:10px;}
  .nav-link::after{display:none;}
  .nav-link.active{background:#F7FAFF;}
  .section{padding:56px 0;}
  .hero-inner{padding:44px 0 40px;}
  .hero h1{font-size:30px;line-height:1.28;}
  .hero-sub{font-size:15.5px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .prep-grid{grid-template-columns:1fr;}
  .notice-grid{grid-template-columns:1fr;}
  .verify-grid{grid-template-columns:1fr;}
  .cta-band .cta-actions{width:100%;}
  .cta-band .cta-actions .btn{width:100%;}
  .foot-grid{grid-template-columns:1fr;}
  .foot-bottom{flex-direction:column;gap:8px;}
  .mobile-bar{display:flex;}
  body{padding-bottom:72px;}
  .step-card:not(:last-child)::before{left:35px;height:34px;}
  .step-card:not(:last-child){margin-bottom:34px;}
}
@media (max-width:519.98px){
  .hero h1{font-size:26px;}
  .section-head h2{font-size:22px;}
  .step-head h3{font-size:16px;}
}

/* roulang page: category3 */
:root{
  --c-primary:#1450C8;
  --c-primary-d:#0E3C9E;
  --c-primary-s:#EAF1FE;
  --c-accent:#FF7A2F;
  --c-accent-d:#E86A20;
  --c-teal:#0FA3A0;
  --c-bg:#F6F8FC;
  --c-surface:#FFFFFF;
  --c-ink:#101B2D;
  --c-ink-2:#4A5A72;
  --c-ink-3:#8A98AD;
  --c-line:#E4EAF3;
  --c-line-2:#D6E2F7;
  --c-footer:#0E1B2E;
  --sh-1:0 1px 2px rgba(16,27,45,.05);
  --sh-2:0 6px 20px rgba(16,27,45,.07);
  --sh-3:0 14px 40px rgba(20,80,200,.14);
  --r-btn:10px;
  --r-card:16px;
  --r-panel:20px;
  --r-img:12px;
  --r-pill:999px;
  --font-cn:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Inter","SFMono-Regular",Consolas,"Liberation Mono",monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5{margin:0;font-weight:600;letter-spacing:.1px}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block}
button{font-family:inherit;font-size:inherit}
input,select,textarea{font-family:inherit;font-size:15px}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}

.container{
  width:100%;
  max-width:1200px !important;
  margin:0 auto;
  padding-left:24px !important;
  padding-right:24px !important;
}
@media (min-width:1400px){
  .container{max-width:1240px !important}
}

/* ---------- 按钮 ---------- */
.rl-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 22px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.rl-btn-primary{background:var(--c-primary);color:#fff}
.rl-btn-primary:hover{background:var(--c-primary-d);transform:translateY(-1px);box-shadow:var(--sh-3)}
.rl-btn-accent{background:var(--c-accent);color:#fff}
.rl-btn-accent:hover{background:var(--c-accent-d);transform:translateY(-1px);box-shadow:0 14px 30px rgba(232,106,32,.22)}
.rl-btn-ghost{background:#fff;color:var(--c-ink);border-color:var(--c-line)}
.rl-btn-ghost:hover{background:#F2F6FF;border-color:var(--c-primary);color:var(--c-primary)}
.rl-btn-sm{height:40px;padding:0 16px;font-size:14px;border-radius:8px}
.rl-btn:active{transform:translateY(0);box-shadow:none}
.rl-btn[disabled]{opacity:.45;box-shadow:none;pointer-events:none}

/* ---------- 徽章 / 标签 ---------- */
.rl-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  border-radius:var(--r-pill);
  font-size:12px;
  line-height:1.6;
  font-weight:500;
  white-space:nowrap;
}
.rl-badge-version{background:var(--c-primary-s);color:var(--c-primary)}
.rl-badge-soft{background:#F1F4F9;color:var(--c-ink-2)}
.rl-badge-ok{background:rgba(15,163,160,.1);color:#0B7F7D}
.rl-pill{
  display:inline-flex;
  align-items:center;
  padding:4px 12px;
  border-radius:var(--r-pill);
  background:#F1F4F9;
  color:var(--c-ink-2);
  font-size:13px;
  transition:background .2s ease,color .2s ease;
}
.rl-pill:hover{background:var(--c-primary-s);color:var(--c-primary)}
.mono{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.2px}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.header-inner{display:flex;align-items:center;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;
  border-radius:11px;
  background:var(--c-primary);
  color:#fff;
  display:grid;place-items:center;
  font-size:15px;
  box-shadow:0 6px 16px rgba(20,80,200,.22);
}
.brand-text{font-size:19px;font-weight:700;letter-spacing:.2px}
.site-header nav{margin-left:auto}
.nav-list{display:flex;align-items:center;gap:4px}
.nav-link{
  display:inline-block;
  padding:8px 14px;
  border-radius:8px;
  font-size:15px;
  font-weight:500;
  color:var(--c-ink-2);
  position:relative;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--c-primary);background:#F2F6FF}
.nav-link.active{color:var(--c-primary)}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;border-radius:2px;
  background:var(--c-primary);
}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.menu-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--c-line);
  border-radius:10px;
  background:#fff;
  color:var(--c-ink);
  cursor:pointer;
}
.menu-toggle:hover{border-color:var(--c-primary);color:var(--c-primary)}
.mobile-drawer{
  display:none;
  background:#fff;
  border-top:1px solid var(--c-line);
  padding:8px 0 16px;
}
.mobile-drawer.is-open{display:block}
.mobile-drawer a{
  display:flex;
  align-items:center;
  min-height:52px;
  padding:0 24px;
  font-size:15px;
  font-weight:500;
  color:var(--c-ink-2);
  border-bottom:1px solid var(--c-line);
}
.mobile-drawer a:hover{color:var(--c-primary);background:#F7FAFF}
.mobile-drawer a.active{color:var(--c-primary)}
.mobile-drawer .drawer-cta{padding:16px 24px 0;border-bottom:0}

/* ---------- Hero ---------- */
.hero-cat{
  position:relative;
  padding:72px 0 64px;
  background:#fff;
  border-bottom:1px solid var(--c-line);
  overflow:hidden;
}
.hero-cat::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.95),rgba(255,255,255,.95)),url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  opacity:.9;
  pointer-events:none;
}
.hero-inner{position:relative;text-align:center;max-width:820px;margin:0 auto}
.hero-inner h1{
  font-size:44px;
  line-height:1.2;
  font-weight:700;
  margin:20px 0 16px;
}
.hero-sub{
  max-width:640px;
  margin:0 auto;
  color:var(--c-ink-2);
  font-size:17px;
  line-height:1.8;
}
.hero-actions{
  display:flex;
  justify-content:center;
  gap:14px;
  margin-top:28px;
  flex-wrap:wrap;
}
.search-panel{margin-top:36px}
.search-box{
  display:flex;
  align-items:center;
  gap:10px;
  max-width:560px;
  margin:0 auto;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:14px;
  padding:8px 10px 8px 16px;
  box-shadow:var(--sh-2);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(20,80,200,.12)}
.search-box i{color:var(--c-ink-3);font-size:15px}
.search-box input{
  flex:1 1 auto;
  min-width:0;
  height:40px;
  border:0;
  background:transparent;
  outline:none;
  color:var(--c-ink);
}
.search-box input::placeholder{color:var(--c-ink-3);font-size:14px}
.hot-words{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  align-items:center;
  gap:8px;
  margin-top:18px;
  font-size:13px;
  color:var(--c-ink-3);
}
.hot-label{font-size:13px}

/* ---------- 区块 ---------- */
.section{padding:96px 0}
.section-tight{padding:56px 0}
.section-alt{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.section-head{max-width:760px;margin:0 auto 40px;text-align:center}
.section-head h2{font-size:32px;line-height:1.3}
.section-head p{margin-top:12px;color:var(--c-ink-2);font-size:15px}
.section-head.is-left{margin-left:0;text-align:left}

/* ---------- 三步自查条 ---------- */
.step-strip{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-panel);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.step-strip .step{
  display:flex;
  gap:14px;
  padding:26px 28px;
  border-right:1px solid var(--c-line);
}
.step-strip .step:last-child{border-right:0}
.step-num{
  width:32px;height:32px;
  flex:0 0 auto;
  border-radius:10px;
  background:var(--c-primary-s);
  color:var(--c-primary);
  display:grid;place-items:center;
  font-size:14px;font-weight:700;
}
.step h3{font-size:16px;margin-bottom:4px}
.step p{font-size:14px;color:var(--c-ink-2);line-height:1.7;margin:0}

/* ---------- Tabs ---------- */
.tabs{
  display:flex;
  justify-content:center;
  gap:6px;
  flex-wrap:wrap;
  border-bottom:1px solid var(--c-line);
  margin-bottom:36px;
}
.rl-tab{
  position:relative;
  background:transparent;
  border:0;
  padding:12px 16px;
  font-size:15px;
  font-weight:500;
  color:var(--c-ink-2);
  cursor:pointer;
  transition:color .2s ease;
}
.rl-tab:hover{color:var(--c-primary)}
.rl-tab.is-active{color:var(--c-primary)}
.rl-tab.is-active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:-1px;
  height:2px;border-radius:2px;
  background:var(--c-primary);
}

/* ---------- FAQ 手风琴 ---------- */
.faq-group{margin-bottom:40px}
.faq-group:last-child{margin-bottom:0}
.faq-group.is-hidden{display:none}
.group-title{
  position:relative;
  font-size:20px;
  padding-left:14px;
  margin-bottom:18px;
}
.group-title::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:4px;border-radius:2px;
  background:var(--c-primary);
}
.acc{display:grid;gap:12px}
.acc-item{
  position:relative;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:14px;
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:border-color .25s ease,background .25s ease,box-shadow .25s ease;
}
.acc-item::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:3px;
  background:var(--c-primary);
  transform:scaleY(0);
  transform-origin:top;
  transition:transform .25s ease;
}
.acc-item.is-open{background:#FBFCFE;border-color:var(--c-line-2);box-shadow:var(--sh-2)}
.acc-item.is-open::before{transform:scaleY(1)}
.acc-head{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 22px;
  background:transparent;
  border:0;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--c-ink);
  cursor:pointer;
}
.acc-icon{
  width:26px;height:26px;
  flex:0 0 auto;
  border-radius:var(--r-pill);
  border:1px solid var(--c-line);
  display:grid;place-items:center;
  color:var(--c-primary);
  font-size:11px;
  transition:transform .25s ease,background .25s ease,border-color .25s ease;
}
.acc-item.is-open .acc-icon{transform:rotate(180deg);background:var(--c-primary-s);border-color:var(--c-primary-s)}
.acc-body{max-height:0;overflow:hidden;transition:max-height .3s ease}
.acc-body-inner{
  padding:0 22px 20px;
  color:var(--c-ink-2);
  font-size:15px;
  line-height:1.85;
}
.dot-list{margin-top:10px;display:grid;gap:6px}
.dot-list li{position:relative;padding-left:16px;font-size:14.5px;color:var(--c-ink-2)}
.dot-list li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:6px;height:6px;
  border-radius:var(--r-pill);
  background:var(--c-primary);
}

/* ---------- 准备材料卡片 ---------- */
.help-card{
  height:100%;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.help-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-line-2)}
.help-media{position:relative;aspect-ratio:16/9;background:#EEF2F8;overflow:hidden}
.help-media img{width:100%;height:100%;object-fit:cover}
.help-body{padding:24px}
.help-body h3{font-size:20px;margin:12px 0 10px}
.help-body p{font-size:14.5px;color:var(--c-ink-2);line-height:1.75}

/* ---------- 表单 ---------- */
.form-wrap{
  max-width:860px;
  margin:0 auto;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-panel);
  box-shadow:var(--sh-2);
  padding:36px;
}
.form-note{
  font-size:13px;
  color:var(--c-ink-3);
  line-height:1.7;
  margin-top:8px;
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:14px;font-weight:500;color:var(--c-ink)}
.field input,.field select,.field textarea{
  width:100%;
  border:1px solid var(--c-line);
  border-radius:var(--r-btn);
  background:#fff;
  color:var(--c-ink);
  padding:0 14px;
  height:44px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:auto;min-height:132px;padding:12px 14px;line-height:1.8;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--c-ink-3)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(20,80,200,.12);
}
.field-full{grid-column:1 / -1}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--c-ink-2);line-height:1.7}
.check-row input{width:18px;height:18px;margin-top:4px;accent-color:var(--c-primary)}
.form-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:6px}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--c-primary-s);
  border-top:1px solid var(--c-line);
  border-bottom:1px solid var(--c-line);
  padding:48px 0;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta-inner h2{font-size:24px;line-height:1.4}
.cta-inner p{margin:8px 0 0;color:var(--c-ink-2);font-size:15px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-footer);color:#fff;padding:64px 0 32px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:40px}
.foot-brand{display:flex;align-items:center;gap:8px;margin-bottom:16px}
.foot-brand .brand-text{color:#fff}
.foot-desc{color:rgba(255,255,255,.72);font-size:14px;line-height:1.8;margin:0}
.foot-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.foot-links{display:grid;gap:10px}
.foot-links a{
  display:inline-block;
  color:rgba(255,255,255,.72);
  font-size:14px;
  transition:color .2s ease,transform .2s ease;
}
.foot-links a:hover{color:#fff;transform:translateX(6px)}
.foot-contact p{color:rgba(255,255,255,.72);font-size:14px;margin:0 0 10px}
.foot-contact span{color:#fff}
.foot-bottom{
  margin-top:48px;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.6);
}

/* ---------- 移动吸底条 ---------- */
.mobile-dock{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:70;
  height:56px;
  padding:0 16px calc(0px + env(safe-area-inset-bottom));
  background:#fff;
  border-top:1px solid var(--c-line);
  box-shadow:var(--sh-2);
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.mobile-dock .dock-text{font-size:13px;color:var(--c-ink-2)}
.mobile-dock .dock-text strong{display:block;font-size:13px;color:var(--c-ink);font-weight:600}
.mobile-dock .rl-btn{height:38px;font-size:14px;padding:0 16px;border-radius:8px}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero-inner h1{font-size:38px}
}
@media (max-width:991px){
  .nav-list,.header-actions .rl-btn{display:none}
  .menu-toggle{display:grid;place-items:center}
  .header-inner{height:60px;gap:12px}
  .section{padding:72px 0}
  .section-tight{padding:48px 0}
  .hero-cat{padding:52px 0 48px}
  .hero-inner h1{font-size:32px}
  .hero-sub{font-size:16px}
  .section-head h2{font-size:26px}
  .step-strip{grid-template-columns:1fr}
  .step-strip .step{border-right:0;border-bottom:1px solid var(--c-line)}
  .step-strip .step:last-child{border-bottom:0}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:767px){
  .container{padding-left:16px !important;padding-right:16px !important}
  .section{padding:56px 0}
  .section-tight{padding:40px 0}
  .hero-inner h1{font-size:30px}
  .hero-actions{flex-direction:column}
  .hero-actions .rl-btn{width:100%}
  .search-box{flex-wrap:wrap;padding:12px}
  .search-box input{flex:1 1 100%;height:38px}
  .search-box .rl-btn{width:100%}
  .tabs{justify-content:flex-start;overflow-x:auto;flex-wrap:nowrap;padding-bottom:2px}
  .rl-tab{white-space:nowrap}
  .form-wrap{padding:24px 20px}
  .form-grid{grid-template-columns:1fr}
  .form-actions .rl-btn{width:100%}
  .cta-inner .rl-btn{width:100%}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;gap:6px}
  .mobile-dock{display:flex}
  body{padding-bottom:56px}
}
@media (max-width:519px){
  .hero-inner h1{font-size:27px}
  .section-head h2{font-size:22px}
  .group-title{font-size:18px}
  .acc-head{font-size:15px;padding:16px 18px}
  .acc-body-inner{padding:0 18px 18px}
  .help-body{padding:20px}
}