/* roulang page: index */
:root{
  --c-orange:#FF5A1F;
  --c-orange-d:#E44A12;
  --c-orange-soft:#FFF1EA;
  --c-green:#12B76A;
  --c-green-soft:#E7F8EF;
  --c-yellow:#FFC53D;
  --c-ink:#12161A;
  --c-ink-2:#1C2228;
  --c-bg:#F7F6F2;
  --c-card:#FFFFFF;
  --c-line:#E6E4DE;
  --c-line-soft:#EFEDE7;
  --c-text:#1A1D21;
  --c-text-2:#5C636B;
  --c-text-3:#8A9199;
  --r-lg:20px;
  --r-card:16px;
  --r-ctl:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,22,26,.06),0 8px 24px rgba(18,22,26,.06);
  --sh-2:0 12px 32px rgba(255,90,31,.14);
  --sh-dark:0 18px 44px rgba(0,0,0,.30);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-num:"DIN Alternate","Barlow Semi Condensed",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --w:1200px;
  --w-wide:1280px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5,p,figure,blockquote{margin:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font:inherit}
table{border-collapse:collapse}
:focus-visible{outline:2px solid var(--c-orange);outline-offset:2px}
::selection{background:rgba(255,90,31,.18)}
.container{width:min(var(--w),100% - 40px);margin-inline:auto}
.container-wide{width:min(var(--w-wide),100% - 40px);margin-inline:auto}
.section{padding:104px 0}
.section-tight{padding:76px 0}
.section-dark{background:var(--c-ink);color:#fff}
.section-alt{background:#fff;border-top:1px solid var(--c-line-soft);border-bottom:1px solid var(--c-line-soft)}
.skip-link{position:absolute;left:-9999px}
.skip-link:focus{left:16px;top:16px;z-index:999;background:#fff;padding:10px 16px;border-radius:var(--r-pill);box-shadow:var(--sh-1)}

/* ===== 浮动 Dock 导航 ===== */
.dock-wrap{position:fixed;top:16px;left:0;right:0;z-index:200;pointer-events:none}
.dock{
  pointer-events:auto;
  width:min(1120px,100% - 32px);
  margin-inline:auto;
  display:flex;align-items:center;gap:18px;
  padding:10px 12px 10px 18px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--c-line);
  box-shadow:0 6px 22px rgba(18,22,26,.08);
  transition:padding .25s ease,box-shadow .25s ease,background .25s ease;
}
.dock-wrap.is-scrolled .dock{
  padding:6px 10px 6px 16px;
  box-shadow:0 12px 34px rgba(18,22,26,.14);
  background:rgba(255,255,255,.94);
}
.dock-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:30px;height:30px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(140deg,var(--c-orange) 0%,#FF8A4C 100%);
  position:relative;overflow:hidden;
  box-shadow:0 6px 14px rgba(255,90,31,.28);
}
.logo-mark::before{
  content:"";position:absolute;inset:6px;
  border:2px solid rgba(255,255,255,.92);
  border-radius:50% 50% 50% 4px;
}
.logo-text{font-weight:800;font-size:16.5px;letter-spacing:-.01em;white-space:nowrap}
.logo-text em{font-style:normal;color:var(--c-orange)}
.dock-menu{display:flex;align-items:center;gap:2px;margin-left:8px;flex:1 1 auto;min-width:0}
.dock-menu a{
  display:inline-block;padding:9px 13px;border-radius:var(--r-pill);
  font-size:14.5px;font-weight:500;color:var(--c-text-2);white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.dock-menu a:hover{color:var(--c-ink);background:#F2F0EA}
.dock-menu a.active{color:#fff;background:var(--c-orange);font-weight:600;box-shadow:0 6px 16px rgba(255,90,31,.26)}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.dock-search{
  width:40px;height:40px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--c-text-2);border:1px solid var(--c-line);
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.dock-search:hover{color:var(--c-orange);border-color:#F5C9B4;background:var(--c-orange-soft)}
.dock-toggle{
  display:none;width:42px;height:42px;border-radius:50%;
  align-items:center;justify-content:center;color:var(--c-ink);
  border:1px solid var(--c-line);
}
.dock-drawer{
  pointer-events:auto;
  width:min(1120px,100% - 32px);
  margin:10px auto 0;
  background:#fff;border:1px solid var(--c-line);border-radius:24px;
  box-shadow:var(--sh-1);
  padding:14px;display:none;
}
.dock-drawer.is-open{display:block;animation:drawerIn .22s ease}
@keyframes drawerIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
.dock-drawer a{
  display:block;padding:13px 16px;border-radius:14px;
  font-size:15.5px;color:var(--c-text-2);font-weight:500;
}
.dock-drawer a.active{background:var(--c-orange-soft);color:var(--c-orange-d);font-weight:700}
.dock-drawer .drawer-cta{margin-top:8px}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15.5px;font-weight:600;letter-spacing:.01em;
  transition:transform .2s ease,background .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;
  border:1.5px solid transparent;white-space:nowrap;
}
.btn-primary{background:var(--c-orange);color:#fff;box-shadow:0 10px 24px rgba(255,90,31,.24)}
.btn-primary:hover{background:var(--c-orange-d);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(255,90,31,.2)}
.btn-ghost{background:transparent;color:var(--c-ink);border-color:var(--c-ink)}
.btn-ghost:hover{background:var(--c-ink);color:#fff;transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn-ghost-light:hover{background:#fff;color:var(--c-ink);border-color:#fff;transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-weight:600;font-size:15px;color:var(--c-orange-d);
  border-bottom:2px solid rgba(255,90,31,.45);
  padding-bottom:2px;transition:transform .2s ease,border-color .2s ease,font-weight .2s ease;
}
.text-link:hover{transform:translateX(2px);border-color:var(--c-orange);font-weight:700}
.text-link-light{color:#fff;border-color:rgba(255,255,255,.5)}
.text-link-light:hover{border-color:#fff}

/* ===== 标签 / 徽章 ===== */
.tag-square{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--c-ink);color:#fff;
  padding:6px 12px;font-size:13px;font-weight:600;letter-spacing:.06em;
  border-radius:4px;
}
.tag-square.is-orange{background:var(--c-orange)}
.tag-square.is-green{background:var(--c-green)}
.tag-line{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13.5px;font-weight:700;color:var(--c-orange-d);letter-spacing:.08em;
}
.tag-line::before{content:"";width:26px;height:3px;border-radius:2px;background:var(--c-orange)}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  height:38px;padding:0 18px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--c-line);
  font-size:14px;font-weight:500;color:var(--c-text-2);
  transition:all .2s ease;
}
.chip:hover{border-color:#F5C9B4;color:var(--c-orange-d)}
.chip.is-active{background:var(--c-orange);border-color:var(--c-orange);color:#fff;font-weight:600;box-shadow:0 8px 18px rgba(255,90,31,.2)}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;
}
.badge-green{background:var(--c-green-soft);color:#0B7A46}
.badge-orange{background:var(--c-orange-soft);color:var(--c-orange-d)}
.badge-ink{background:#EDEBE5;color:var(--c-ink)}

/* ===== Hero ===== */
.hero{
  position:relative;background:var(--c-ink);color:#fff;
  padding:158px 0 96px;overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.16;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(900px 520px at 78% 18%,rgba(255,90,31,.28) 0%,transparent 62%),
             linear-gradient(180deg,rgba(18,22,26,.45) 0%,rgba(18,22,26,.92) 78%);
}
.hero-slash{
  position:absolute;top:0;bottom:0;right:-14%;
  width:52%;
  background:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 2px,transparent 2px 16px);
  transform:skewX(-14deg);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.04fr .96fr;gap:64px;align-items:center}
.hero-tag{
  display:inline-flex;align-items:center;gap:10px;
  padding:7px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);
  font-size:13px;font-weight:600;letter-spacing:.06em;color:#FFD9C8;
}
.hero-tag i{color:var(--c-orange)}
.hero h1{
  margin:22px 0 0;
  font-size:clamp(30px,4.1vw,50px);
  line-height:1.24;font-weight:800;letter-spacing:-.01em;color:#fff;
}
.hero h1 .hl{color:var(--c-orange)}
.hero-sub{margin-top:20px;font-size:18px;line-height:1.7;color:rgba(255,255,255,.78);max-width:30em}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;margin-top:44px;padding-top:28px;
  border-top:1px solid rgba(255,255,255,.14);
}
.hero-stats li{display:flex;flex-direction:column;gap:2px}
.hero-stats strong{
  font-family:var(--font-num);font-size:30px;font-weight:700;line-height:1.1;color:#fff;letter-spacing:-.02em;
}
.hero-stats strong em{font-style:normal;font-size:15px;margin-left:2px;color:var(--c-orange);font-family:var(--font-cn)}
.hero-stats span{font-size:13px;color:rgba(255,255,255,.62)}
.hero-media{position:relative}
.hero-media-frame{
  border-radius:var(--r-lg);overflow:hidden;
  aspect-ratio:4/3;background:#242A31;
  clip-path:polygon(8% 0,100% 0,92% 100%,0 100%);
  border:1px solid rgba(255,255,255,.1);
}
.hero-media-frame img{width:100%;height:100%;object-fit:cover}
.hero-float{
  position:absolute;left:6px;bottom:26px;
  background:#fff;color:var(--c-ink);
  border-radius:var(--r-card);padding:14px 18px;
  box-shadow:var(--sh-dark);
  display:flex;align-items:center;gap:12px;max-width:250px;
}
.hero-float .dot-ok{
  width:34px;height:34px;border-radius:12px;flex:0 0 auto;
  background:var(--c-green-soft);color:var(--c-green);
  display:flex;align-items:center;justify-content:center;font-size:15px;
}
.hero-float b{display:block;font-size:14.5px;font-weight:700;line-height:1.4}
.hero-float span{display:block;font-size:12.5px;color:var(--c-text-3);line-height:1.4}

/* ===== 区块标题组 ===== */
.sec-head{max-width:720px}
.sec-head.is-center{margin-inline:auto;text-align:center}
.sec-head.is-center .tag-line{justify-content:center}
.sec-head h2{
  margin-top:16px;
  font-size:clamp(24px,3vw,35px);
  line-height:1.32;font-weight:800;letter-spacing:-.01em;
}
.sec-head p{margin-top:14px;font-size:16.5px;color:var(--c-text-2);max-width:44em}
.sec-head.is-center p{margin-inline:auto}
.sec-head--light h2{color:#fff}
.sec-head--light p{color:rgba(255,255,255,.7)}

/* ===== 痛点区 ===== */
.pain-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:48px}
.pain-item{
  display:flex;gap:18px;align-items:flex-start;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 26px 26px 24px;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.pain-item:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(18,22,26,.1);border-color:#EFD9CD}
.pain-item:nth-child(2){margin-top:24px}
.pain-item:nth-child(4){margin-top:24px}
.pain-ico{
  width:48px;height:48px;flex:0 0 auto;border-radius:14px;
  display:flex;align-items:center;justify-content:center;font-size:18px;
  background:var(--c-orange-soft);color:var(--c-orange);
}
.pain-item h3{font-size:18px;font-weight:700;line-height:1.5}
.pain-item p{margin-top:8px;font-size:15px;color:var(--c-text-2);line-height:1.8}

/* ===== 解决方案 zigzag ===== */
.zig{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;margin-top:72px}
.zig:first-of-type{margin-top:56px}
.zig-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  aspect-ratio:16/11;background:#E9E7E1;box-shadow:var(--sh-1);
}
.zig-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.zig:hover .zig-media img{transform:scale(1.04)}
.zig-media .zig-num{
  position:absolute;left:16px;top:16px;
  font-family:var(--font-num);font-size:14px;font-weight:700;letter-spacing:.06em;
  background:rgba(18,22,26,.82);color:#fff;padding:6px 12px;border-radius:var(--r-pill);
}
.zig-copy h3{margin-top:16px;font-size:clamp(21px,2.3vw,26px);font-weight:800;line-height:1.42}
.zig-copy p{margin-top:14px;font-size:16px;color:var(--c-text-2);line-height:1.9}
.zig-copy .text-link{margin-top:20px}
.zig-points{margin-top:18px;display:flex;flex-wrap:wrap;gap:10px}
.zig-points li{
  font-size:13.5px;color:var(--c-text-2);
  background:#fff;border:1px solid var(--c-line);
  padding:6px 14px;border-radius:var(--r-pill);
}
.zig-reverse .zig-media{order:2}
.zig-reverse .zig-copy{order:1}

/* ===== 数据带 ===== */
.stats-band{
  position:relative;background:var(--c-ink);color:#fff;overflow:hidden;
  padding:80px 0;
}
.stats-band::before{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(120deg,rgba(255,255,255,.045) 0 2px,transparent 2px 18px);
}
.stats-band .container{position:relative;z-index:2}
.stats-band-head{display:flex;flex-wrap:wrap;gap:20px;align-items:flex-end;justify-content:space-between}
.stats-band-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;color:#fff;margin-top:14px}
.stats-band-head p{color:rgba(255,255,255,.65);font-size:15px;max-width:34em}
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;margin-top:48px}
.stat-cell{
  border-left:3px solid rgba(255,255,255,.14);
  padding-left:20px;
  transition:border-color .25s ease;
}
.stat-cell:hover{border-color:var(--c-orange)}
.stat-cell strong{
  display:block;font-family:var(--font-num);font-size:clamp(38px,5vw,64px);
  font-weight:700;line-height:1;letter-spacing:-.02em;color:#fff;
}
.stat-cell strong em{font-style:normal;font-size:18px;color:var(--c-orange);margin-left:3px;font-family:var(--font-cn)}
.stat-cell span{display:block;margin-top:12px;font-size:14px;color:rgba(255,255,255,.66)}

/* ===== 客户证言 ===== */
.voice-rail{
  display:flex;gap:22px;margin-top:48px;
  overflow-x:auto;padding:6px 4px 26px;
  scroll-snap-type:x mandatory;
  scrollbar-width:thin;
}
.voice-rail::-webkit-scrollbar{height:6px}
.voice-rail::-webkit-scrollbar-thumb{background:#D9D6CE;border-radius:6px}
.voice-card{
  flex:0 0 340px;scroll-snap-align:start;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;gap:16px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.voice-card:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(18,22,26,.1)}
.voice-card:nth-child(odd){margin-top:18px}
.voice-top{display:flex;align-items:center;gap:14px}
.avatar{
  width:52px;height:52px;border-radius:16px;flex:0 0 auto;overflow:hidden;
  background:#EDEBE5;
}
.avatar img{width:100%;height:100%;object-fit:cover}
.voice-who b{display:block;font-size:15.5px;font-weight:700}
.voice-who span{display:block;font-size:13px;color:var(--c-text-3)}
.voice-star{color:var(--c-yellow);font-size:13px;letter-spacing:2px}
.voice-card blockquote{
  font-size:15.5px;line-height:1.9;color:var(--c-text-2);
  border-top:1px solid var(--c-line-soft);padding-top:16px;
}

/* ===== 资讯 / 最新信息 ===== */
.news-toolbar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
  margin-top:36px;
}
.chip-row{display:flex;flex-wrap:wrap;gap:10px}
.news-grid{display:grid;grid-template-columns:1.24fr 1fr;gap:24px;margin-top:32px}
.news-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(18,22,26,.1);border-color:#EFD9CD}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-thumb{display:block;overflow:hidden;aspect-ratio:16/9;background:#E9E7E1}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.news-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto}
.news-cat{
  align-self:flex-start;
  background:var(--c-orange-soft);color:var(--c-orange-d);
  font-size:12.5px;font-weight:700;padding:4px 12px;border-radius:4px;letter-spacing:.04em;
}
.news-card h3{font-size:19px;font-weight:700;line-height:1.55}
.news-card h3 a:hover{color:var(--c-orange-d)}
.news-sum{
  font-size:14.8px;color:var(--c-text-2);line-height:1.85;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:16px;border-top:1px solid var(--c-line-soft);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.news-meta time{font-family:var(--font-num);font-size:13.5px;color:var(--c-text-3);letter-spacing:.02em}
.news-more{font-size:13.5px;font-weight:600;color:var(--c-orange-d)}
.news-card.is-lead{grid-row:1 / span 3}
.news-card.is-lead .news-thumb{aspect-ratio:16/10}
.news-card.is-lead h3{font-size:23px}
.news-card.is-lead .news-sum{-webkit-line-clamp:3;font-size:15.5px}
.news-card.is-side{flex-direction:row}
.news-card.is-side .news-thumb{flex:0 0 200px;aspect-ratio:4/3;height:100%}
.news-card.is-side .news-body{padding:20px}
.news-card.is-side h3{font-size:17px}
.empty-state{
  grid-column:1 / -1;
  background:#fff;border:1px dashed #DCD8CF;border-radius:var(--r-lg);
  padding:64px 28px;text-align:center;
  display:flex;flex-direction:column;align-items:center;gap:16px;
}
.empty-art{
  width:78px;height:78px;border-radius:24px;
  background:var(--c-orange-soft);color:var(--c-orange);
  display:flex;align-items:center;justify-content:center;font-size:28px;
}
.empty-state p{color:var(--c-text-2);font-size:15.5px}

/* ===== FAQ ===== */
.faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:56px;align-items:start;margin-top:8px}
.faq-side{position:sticky;top:120px}
.faq-side h2{margin-top:16px;font-size:clamp(24px,2.8vw,33px);font-weight:800;line-height:1.36}
.faq-side p{margin-top:14px;color:var(--c-text-2);font-size:16px}
.faq-side .btn{margin-top:24px}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  position:relative;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-ctl);overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#EFD9CD}
.faq-item[open]{box-shadow:var(--sh-1);border-color:#F2D6C8}
.faq-item[open]::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:0 3px 3px 0;background:var(--c-orange)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:19px 22px;font-size:16.5px;font-weight:600;cursor:pointer;
  list-style:none;line-height:1.6;
}
.faq-q::-webkit-details-marker{display:none}
.faq-q::marker{content:""}
.faq-ico{
  width:30px;height:30px;flex:0 0 auto;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:#F2F0EA;color:var(--c-text-2);font-size:12px;
  transition:transform .28s ease,background .2s ease,color .2s ease;
}
.faq-item[open] .faq-ico{transform:rotate(45deg);background:var(--c-orange);color:#fff}
.faq-a{padding:0 22px 22px;color:var(--c-text-2);font-size:15.5px;line-height:1.9}

/* ===== CTA 带 ===== */
.cta-band{position:relative;background:var(--c-ink);color:#fff;overflow:hidden;padding:78px 0}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(125deg,rgba(255,255,255,.05) 0 2px,transparent 2px 20px);
}
.cta-band::after{
  content:"";position:absolute;right:-10%;top:-40%;width:52%;height:180%;
  background:linear-gradient(120deg,rgba(255,90,31,.34) 0%,rgba(255,90,31,0) 70%);
  transform:skewX(-16deg);
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:40px}
.cta-inner h2{font-size:clamp(23px,2.9vw,33px);font-weight:800;line-height:1.36;color:#fff}
.cta-inner p{margin-top:12px;color:rgba(255,255,255,.7);font-size:16px;max-width:38em}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex:0 0 auto}

/* ===== 页脚 ===== */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.72);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:0}
.footer-col{padding:0 30px;border-left:1px solid rgba(255,255,255,.09)}
.footer-col:first-child{padding-left:0;border-left:0}
.footer-col:last-child{padding-right:0}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-brand .logo-mark{width:28px;height:28px}
.footer-brand b{color:#fff;font-size:16.5px;font-weight:800;letter-spacing:-.01em}
.footer-col > p{margin-top:16px;font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.58);max-width:26em}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;letter-spacing:.02em}
.footer-col ul li{margin-bottom:11px}
.footer-col ul a{font-size:14.5px;color:rgba(255,255,255,.66);transition:color .2s ease,padding-left .2s ease}
.footer-col ul a:hover{color:var(--c-orange);padding-left:4px}
.footer-contact li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14.5px;color:rgba(255,255,255,.66);margin-bottom:12px;
}
.footer-contact i{color:var(--c-orange);margin-top:5px;font-size:13px}
.footer-sub{margin-top:20px;display:flex;gap:10px}
.footer-sub input{
  flex:1 1 auto;height:48px;padding:0 16px;border-radius:var(--r-ctl);
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  color:#fff;font-size:14.5px;transition:border-color .2s ease,box-shadow .2s ease;
}
.footer-sub input::placeholder{color:rgba(255,255,255,.4)}
.footer-sub input:focus{outline:none;border-color:var(--c-orange);box-shadow:0 0 0 4px rgba(255,90,31,.16)}
.footer-bottom{
  margin-top:64px;padding:24px 0;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:13.5px;color:rgba(255,255,255,.44);
}
.footer-bottom .fb-links{display:flex;flex-wrap:wrap;gap:20px}
.footer-bottom a:hover{color:var(--c-orange)}

/* ===== 返回顶部 ===== */
.to-top{
  position:fixed;right:24px;bottom:28px;z-index:150;
  width:48px;height:48px;border-radius:50%;
  background:#fff;color:var(--c-ink);border:1px solid var(--c-line);
  box-shadow:var(--sh-1);display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:all .25s ease;
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--c-orange);color:#fff;border-color:var(--c-orange);box-shadow:var(--sh-2)}

/* ===== 响应式 ===== */
@media (max-width:1280px){
  .dock,.dock-drawer{width:min(1120px,100% - 24px)}
}
@media (max-width:1024px){
  .section{padding:80px 0}
  .dock-menu{display:none}
  .dock-toggle{display:inline-flex}
  .dock-actions .btn-primary{display:none}
  .hero{padding:140px 0 76px}
  .hero-inner{grid-template-columns:1fr;gap:44px}
  .hero-sub{max-width:none}
  .zig{gap:40px}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .faq-side{position:static}
  .footer-grid{grid-template-columns:1fr 1fr;gap:44px 0}
  .footer-col{padding:0 24px}
  .footer-col:nth-child(odd){padding-left:0;border-left:0}
  .news-grid{grid-template-columns:1fr}
  .news-card.is-lead{grid-row:auto}
}
@media (max-width:720px){
  body{font-size:16px}
  .container,.container-wide{width:calc(100% - 40px)}
  .section{padding:60px 0}
  .section-tight{padding:52px 0}
  .hero{padding:124px 0 60px}
  .hero h1{font-size:31px}
  .hero-sub{font-size:16.5px}
  .hero-cta .btn{flex:1 1 100%}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
  .hero-stats strong{font-size:26px}
  .hero-media-frame{clip-path:none;aspect-ratio:16/11}
  .hero-float{left:12px;right:12px;bottom:12px;max-width:none}
  .pain-grid{grid-template-columns:1fr;gap:16px}
  .pain-item:nth-child(2),.pain-item:nth-child(4){margin-top:0}
  .pain-item{padding:22px}
  .zig{grid-template-columns:1fr;gap:24px;margin-top:48px}
  .zig-reverse .zig-media{order:1}
  .zig-reverse .zig-copy{order:2}
  .stats-band{padding:56px 0}
  .stats-grid{margin-top:32px;gap:26px}
  .voice-card{flex:0 0 82%}
  .news-card.is-side{flex-direction:column}
  .news-card.is-side .news-thumb{flex:none;aspect-ratio:16/9}
  .news-card.is-lead h3{font-size:19px}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:26px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr;gap:0}
  .footer-col{padding:22px 0;border-left:0;border-top:1px solid rgba(255,255,255,.09)}
  .footer-col:first-child{border-top:0;padding-top:0}
  .footer-bottom{margin-top:32px;flex-direction:column;align-items:flex-start}
  .to-top{right:16px;bottom:18px}
}
@media (max-width:520px){
  .sec-head h2{font-size:24px}
  .faq-q{font-size:15.5px;padding:16px 18px}
  .faq-a{padding:0 18px 18px}
  .news-body{padding:20px}
}

/* roulang page: article */
:root{
  --brand:#FF5A1F;
  --brand-dark:#E44A12;
  --brand-soft:#FFF1EA;
  --green:#12B76A;
  --green-soft:#E7F8F0;
  --yellow:#FFC53D;
  --ink:#12161A;
  --ink-2:#1A1D21;
  --text:#1A1D21;
  --text-2:#5C636B;
  --text-3:#8A9199;
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --line:#E6E4DE;
  --line-soft:#F0EEE8;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,22,26,.06),0 8px 24px rgba(18,22,26,.06);
  --sh-2:0 12px 32px rgba(255,90,31,.14);
  --sh-dark:0 18px 40px rgba(0,0,0,.32);
  --container:1200px;
  --mono:"DIN Alternate","Barlow Semi Condensed",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:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,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;background:#EDEBE5}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
ul,ol{padding:0;margin:0}
li{list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-.01em;font-weight:800}
p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.skip-link{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--brand-dark);text-transform:none}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--brand)}
.seal{display:inline-block;background:var(--ink);color:#fff;font-size:12.5px;font-weight:700;letter-spacing:.08em;padding:5px 10px;border-radius:4px}
.seal.is-orange{background:var(--brand)}
.section-head{max-width:720px;margin-bottom:36px}
.section-head h2{font-size:34px;margin:14px 0 12px}
.section-head p{color:var(--text-2);font-size:16px}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand-dark);font-weight:700;font-size:15px;border-bottom:2px solid var(--brand);padding-bottom:2px;transition:transform .18s ease,color .18s ease}
.text-link:hover{transform:translateX(2px);color:var(--brand);font-weight:800}
.label-chip{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:var(--r-pill);background:var(--brand-soft);color:var(--brand-dark);font-size:12.5px;font-weight:700}
.label-chip.is-green{background:var(--green-soft);color:#0E8F53}

/* ---------- Dock ---------- */
.dock-wrap{position:fixed;top:16px;left:0;right:0;z-index:80;padding:0 20px;pointer-events:none}
.dock{
  pointer-events:auto;
  max-width:1120px;margin:0 auto;
  display:flex;align-items:center;gap:14px;
  height:64px;padding:0 14px 0 18px;
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:0 1px 2px rgba(18,22,26,.06),0 10px 30px rgba(18,22,26,.08);
  transition:height .25s ease,box-shadow .25s ease,background .25s ease;
}
.dock-wrap.is-scrolled .dock{height:56px;box-shadow:0 1px 2px rgba(18,22,26,.08),0 16px 38px rgba(18,22,26,.14);background:rgba(255,255,255,.96)}
.dock-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{position:relative;width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,#FF7A3C,var(--brand));flex:0 0 auto;display:inline-block;overflow:hidden}
.logo-mark::after{content:"";position:absolute;left:-6px;right:-6px;top:50%;height:3px;background:rgba(255,255,255,.85);border-radius:2px;transform:rotate(-32deg)}
.logo-text{font-size:17px;font-weight:800;letter-spacing:-.02em;color:var(--ink)}
.logo-text em{font-style:normal;color:var(--brand)}
.dock-menu{display:flex;align-items:center;gap:2px;margin-left:8px}
.dock-menu a{display:block;padding:8px 13px;border-radius:var(--r-pill);font-size:15px;color:var(--text-2);transition:background .18s ease,color .18s ease}
.dock-menu a:hover{background:#F1EFEA;color:var(--ink)}
.dock-menu a.active{background:rgba(255,90,31,.12);color:var(--brand-dark);font-weight:700}
.dock-actions{margin-left:auto;display:flex;align-items:center;gap:8px}
.dock-search{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--text-2);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:color .18s ease,border-color .18s ease,transform .18s ease}
.dock-search:hover{color:var(--brand);border-color:var(--brand);transform:translateY(-1px)}
.dock-toggle{display:none;width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;cursor:pointer;align-items:center;justify-content:center;color:var(--ink)}
.dock-drawer{
  pointer-events:auto;
  max-width:1120px;margin:10px auto 0;
  background:rgba(255,255,255,.98);
  border:1px solid var(--line);
  border-radius:24px;
  box-shadow:0 18px 40px rgba(18,22,26,.14);
  padding:12px;
  display:none;
}
.dock-drawer.is-open{display:block}
.dock-drawer a{display:block;padding:13px 16px;border-radius:14px;color:var(--text-2);font-size:16px;font-weight:600}
.dock-drawer a:hover{background:#F4F2ED;color:var(--ink)}
.dock-drawer a.active{background:rgba(255,90,31,.12);color:var(--brand-dark)}
.dock-drawer .drawer-cta{margin-top:8px;color:#fff}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border:0;border-radius:var(--r-pill);font-size:16px;font-weight:600;cursor:pointer;white-space:nowrap;transition:transform .18s ease,background .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(255,90,31,.24)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:var(--sh-2);color:#fff}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border:1.5px solid var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-light{background:#fff;color:var(--ink);border:1.5px solid rgba(255,255,255,.4)}
.btn-light:hover{background:var(--brand);border-color:var(--brand);color:#fff;transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{display:flex;width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none}

/* ---------- Page shell ---------- */
.page-main{padding-top:108px}
.page-banner{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:64px 0 56px;border-radius:0 0 28px 28px}
.page-banner::before{content:"";position:absolute;inset:0;background-image:url(/assets/images/backpic/back-1.webp);background-size:cover;background-position:center;opacity:.22}
.page-banner::after{content:"";position:absolute;left:-120px;bottom:-160px;width:520px;height:320px;background:repeating-linear-gradient(115deg,rgba(255,90,31,.5) 0 14px,transparent 14px 34px);transform:skewX(-18deg);opacity:.5}
.page-banner .container{position:relative;z-index:2}

/* ---------- Breadcrumb ---------- */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.68);margin-bottom:18px}
.crumbs a{color:rgba(255,255,255,.86)}
.crumbs a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.crumbs .sep{color:var(--brand)}
.crumbs .cr-now{color:#fff;font-weight:700;max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.crumbs .cr-cat{padding:2px 10px;border-radius:var(--r-pill);background:rgba(255,255,255,.12);font-weight:600}

/* ---------- Article head ---------- */
.art-head{max-width:880px}
.art-head h1{font-size:44px;line-height:1.25;color:#fff;margin:16px 0 18px;letter-spacing:-.02em}
.art-lead{color:rgba(255,255,255,.76);font-size:17px;max-width:680px}
.art-meta{display:flex;flex-wrap:wrap;gap:10px 18px;margin-top:24px;font-size:14px;color:rgba(255,255,255,.72)}
.art-meta span{display:inline-flex;align-items:center;gap:7px}
.art-meta i{color:var(--brand)}
.art-meta .num{font-family:var(--mono);letter-spacing:.02em;color:#fff}

/* ---------- Article layout ---------- */
.art-body{padding:56px 0 96px}
.art-layout{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:40px;align-items:start}
.art-main{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden}
.art-cover{position:relative;aspect-ratio:16/9;background:#EDEBE5;overflow:hidden}
.art-cover img{width:100%;height:100%;object-fit:cover}
.art-cover figcaption{position:absolute;left:16px;bottom:16px;background:rgba(18,22,26,.72);color:#fff;font-size:12.5px;padding:6px 12px;border-radius:var(--r-pill)}
.art-inner{padding:40px 44px 48px}
.art-empty{padding:56px 44px;text-align:center}
.art-empty .empty-art{width:88px;height:88px;margin:0 auto 18px;border-radius:24px;background:var(--brand-soft);display:flex;align-items:center;justify-content:center;color:var(--brand);font-size:34px}
.art-empty h2{font-size:24px;margin-bottom:10px}
.art-empty p{color:var(--text-2);margin-bottom:22px}

/* ---------- Prose ---------- */
.prose{font-size:17px;line-height:1.9;color:#22262B}
.prose>p{margin:0 0 1.2em}
.prose>p:last-child{margin-bottom:0}
.prose h2{position:relative;font-size:30px;line-height:1.35;margin:1.9em 0 .75em;padding-left:16px;scroll-margin-top:110px}
.prose h2::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:5px;border-radius:3px;background:var(--brand)}
.prose h3{font-size:22px;font-weight:700;margin:1.7em 0 .6em;color:var(--ink)}
.prose h4{font-size:18px;font-weight:700;margin:1.4em 0 .5em}
.prose a{color:var(--brand-dark);border-bottom:1.5px solid rgba(255,90,31,.5)}
.prose a:hover{border-bottom-color:var(--brand);font-weight:700}
.prose strong{font-weight:700;color:var(--ink)}
.prose blockquote{margin:1.6em 0;padding:18px 24px;border-left:4px solid var(--brand);background:var(--brand-soft);border-radius:0 14px 14px 0;color:#3A4046}
.prose blockquote p{margin:0}
.prose ul,.prose ol{margin:0 0 1.4em;padding-left:1.5em}
.prose li{margin:.5em 0}
.prose ul li{list-style:disc}
.prose ol li{list-style:decimal}
.prose ul li::marker{color:var(--brand)}
.prose ol li::marker{color:var(--brand);font-weight:700}
.prose img{border-radius:14px;margin:1.4em 0}
.prose figure{margin:1.8em 0;text-align:center}
.prose figcaption{font-size:13.5px;color:var(--text-3);margin-top:10px}
.prose table{width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--line);border-radius:14px;overflow:hidden;font-size:15.5px;margin:1.6em 0}
.prose table th,.prose table td{padding:12px 15px;border-bottom:1px solid var(--line-soft);text-align:left}
.prose table thead th{background:#F2F0EA;font-weight:700;color:var(--ink)}
.prose table tbody tr:nth-child(even){background:#FBFAF7}
.prose table tr:last-child td{border-bottom:0}
.prose hr{border:0;height:1px;background:var(--line);margin:2.2em 0}
.prose code{background:#F4F2ED;border-radius:6px;padding:2px 6px;font-size:15px}

/* ---------- Sidebar ---------- */
.art-side{display:grid;gap:20px;position:sticky;top:100px}
.widget{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-1);padding:22px}
.widget h3{font-size:16px;display:flex;align-items:center;gap:8px;margin-bottom:14px}
.widget h3 i{color:var(--brand)}
.toc-list{display:grid;gap:2px;max-height:280px;overflow:auto}
.toc-list a{display:block;font-size:14px;color:var(--text-2);padding:7px 10px;border-radius:10px;border-left:2px solid transparent;transition:background .18s ease,color .18s ease,border-color .18s ease}
.toc-list a:hover{background:#F4F2ED;color:var(--ink)}
.toc-list a.is-active{background:var(--brand-soft);color:var(--brand-dark);border-left-color:var(--brand);font-weight:700}
.mini-list{display:grid;gap:12px}
.mini-list a{display:block;font-size:14.5px;color:var(--text-2);line-height:1.6;transition:color .18s ease,transform .18s ease}
.mini-list a:hover{color:var(--brand-dark);transform:translateX(2px)}
.mini-list a b{display:block;color:var(--text);font-weight:700;font-size:15px;margin-bottom:2px}
.chip-row{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;font-size:13.5px;color:var(--text-2);transition:all .18s ease}
.chip:hover{background:var(--brand);border-color:var(--brand);color:#fff}
.widget-cta{background:var(--ink);border-color:var(--ink);color:#fff;position:relative;overflow:hidden}
.widget-cta::after{content:"";position:absolute;right:-40px;top:-30px;width:180px;height:180px;background:repeating-linear-gradient(125deg,rgba(255,90,31,.45) 0 10px,transparent 10px 26px);transform:rotate(12deg);opacity:.6}
.widget-cta h3,.widget-cta p{position:relative;z-index:2}
.widget-cta p{color:rgba(255,255,255,.72);font-size:14.5px;margin:10px 0 18px}

/* ---------- Related ---------- */
.related{padding:0 0 96px}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#F3D9CC}
.card-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#EDEBE5}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.card:hover .card-thumb img{transform:scale(1.04)}
.card-thumb .tag{position:absolute;left:12px;top:12px;background:var(--ink);color:#fff;font-size:12px;font-weight:700;padding:5px 10px;border-radius:4px}
.card-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:18px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body p{font-size:14.5px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3)}
.card-foot .time{font-family:var(--mono)}
.card-foot i{color:var(--brand)}

/* ---------- CTA band ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--ink);color:#fff;border-radius:28px;margin:0 0 96px}
.cta-band::after{content:"";position:absolute;left:-80px;top:-60px;width:420px;height:320px;background:repeating-linear-gradient(115deg,rgba(255,90,31,.4) 0 12px,transparent 12px 30px);transform:skewX(-16deg);opacity:.7}
.cta-band .cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:28px;padding:48px 44px}
.cta-band h2{font-size:30px;margin-bottom:10px;color:#fff}
.cta-band p{color:rgba(255,255,255,.74);font-size:16px;max-width:520px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- Back to top ---------- */
.to-top{position:fixed;right:22px;bottom:26px;width:48px;height:48px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--ink);display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:var(--sh-1);opacity:0;visibility:hidden;transform:translateY(10px);transition:all .25s ease;z-index:70}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--brand);color:#fff;border-color:var(--brand)}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.4fr;gap:32px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-col + .footer-col{border-left:1px solid rgba(255,255,255,.1);padding-left:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand b{color:#fff;font-size:17px;font-weight:800}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px;letter-spacing:.02em}
.footer-col p{font-size:14.5px;line-height:1.85}
.footer-col ul{display:grid;gap:10px}
.footer-col ul a{font-size:14.5px;color:rgba(255,255,255,.72)}
.footer-col ul a:hover{color:var(--brand);transform:translateX(2px);display:inline-block}
.footer-contact li{display:flex;align-items:flex-start;gap:9px;font-size:14.5px}
.footer-contact i{color:var(--brand);margin-top:5px}
.footer-sub{display:flex;gap:8px;margin-top:16px}
.footer-sub input{flex:1;height:44px;border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);color:#fff;padding:0 14px;font-size:14px;transition:border-color .18s ease,box-shadow .18s ease,background .18s ease}
.footer-sub input::placeholder{color:rgba(255,255,255,.45)}
.footer-sub input:focus{outline:none;border-color:var(--brand);background:rgba(255,255,255,.1);box-shadow:0 0 0 3px rgba(255,90,31,.22)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px 20px;align-items:center;justify-content:space-between;padding-top:22px;font-size:13.5px;color:rgba(255,255,255,.55)}
.footer-bottom a{color:rgba(255,255,255,.7);margin-left:16px}
.footer-bottom a:hover{color:var(--brand)}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .dock-menu{display:none}
  .dock-toggle{display:inline-flex}
  .dock-search{display:none}
  .art-layout{grid-template-columns:minmax(0,1fr);gap:28px}
  .art-side{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-col + .footer-col{border-left:0;padding-left:0}
  .art-head h1{font-size:36px}
  .section-head h2{font-size:28px}
}
@media (max-width:720px){
  .dock-wrap{top:10px;padding:0 12px}
  .dock{height:58px;padding:0 10px 0 14px}
  .page-main{padding-top:88px}
  .page-banner{padding:44px 0 40px;border-radius:0 0 22px 22px}
  .art-head h1{font-size:30px}
  .art-inner{padding:26px 20px 32px}
  .art-empty{padding:44px 20px}
  .prose{font-size:16.5px;line-height:1.9}
  .prose h2{font-size:24px}
  .prose h3{font-size:20px}
  .art-body{padding:36px 0 64px}
  .art-side{grid-template-columns:minmax(0,1fr)}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .cta-band{border-radius:22px;margin-bottom:64px}
  .cta-band .cta-inner{flex-direction:column;align-items:flex-start;padding:34px 22px}
  .cta-band h2{font-size:24px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .footer-col ul{gap:8px}
  .footer-bottom a{margin-left:0;margin-right:16px}
  .related{padding-bottom:64px}
  .crumbs .cr-now{max-width:100%;white-space:normal}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .art-head h1{font-size:27px}
  .btn{height:46px;padding:0 20px;font-size:15px}
  .to-top{right:14px;bottom:18px}
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root{
  --brand:#FF5A1F;
  --brand-dark:#E44A12;
  --brand-soft:#FFF1EA;
  --green:#12B76A;
  --green-soft:#E8F8F0;
  --yellow:#FFC53D;
  --ink:#12161A;
  --ink-2:#1B2127;
  --page:#F7F6F2;
  --card:#FFFFFF;
  --line:#E6E4DE;
  --t1:#1A1D21;
  --t2:#5C636B;
  --t3:#8A9199;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,22,26,.06),0 8px 24px rgba(18,22,26,.06);
  --sh-2:0 12px 32px rgba(255,90,31,.14);
  --sh-dark:0 16px 40px rgba(0,0,0,.30);
  --sans:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"DIN Alternate","Barlow Semi Condensed",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ===== 基础重置 ===== */
*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  color:var(--t1);
  background:var(--page);
  letter-spacing:0;
  overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,ol,figure{ margin:0; padding:0; }
ul,ol{ list-style:none; }
a{ color:inherit; text-decoration:none; transition:color .2s var(--ease); }
img{ max-width:100%; display:block; }
button{ font-family:inherit; cursor:pointer; border:0; background:none; color:inherit; }
input{ font-family:inherit; }
:focus-visible{ outline:2px solid var(--brand); outline-offset:2px; border-radius:6px; }
.skip-link{ position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap; }
.foundation-clearfix::after{ content:""; display:table; clear:both; }

.container{ width:100%; max-width:1200px; margin:0 auto; padding:0 20px; }
.container-wide{ width:100%; max-width:1280px; margin:0 auto; padding:0 20px; }

.grid-x{ margin-left:-12px; margin-right:-12px; }
.grid-x > .cell{ padding-left:12px; padding-right:12px; }

/* ===== 通用按钮 ===== */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:13px 26px; border-radius:var(--r-pill);
  font-size:15px; font-weight:600; line-height:1.2;
  border:1.5px solid transparent; cursor:pointer;
  transition:transform .22s var(--ease), background .22s var(--ease), color .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
  white-space:nowrap;
}
.btn-sm{ padding:10px 20px; font-size:14px; }
.btn-block{ width:100%; }
.btn-primary{ background:var(--brand); color:#fff; box-shadow:0 6px 18px rgba(255,90,31,.24); }
.btn-primary:hover{ background:var(--brand-dark); transform:translateY(-2px); box-shadow:var(--sh-2); color:#fff; }
.btn-primary:active{ transform:translateY(0); box-shadow:0 4px 12px rgba(255,90,31,.22); }
.btn-primary[disabled],.btn-primary.is-disabled{ opacity:.45; cursor:not-allowed; transform:none; box-shadow:none; }
.btn-ghost{ background:transparent; color:var(--ink); border-color:var(--ink); }
.btn-ghost:hover{ background:var(--ink); color:#fff; transform:translateY(-2px); }
.btn-ghost-light{ background:transparent; color:#fff; border-color:rgba(255,255,255,.55); }
.btn-ghost-light:hover{ background:#fff; color:var(--ink); border-color:#fff; transform:translateY(-2px); }

.link-more{
  display:inline-block; font-size:15px; font-weight:600; color:var(--brand-dark);
  border-bottom:2px solid var(--brand); padding-bottom:2px;
  transition:transform .2s var(--ease), color .2s var(--ease), font-weight .2s;
}
.link-more:hover{ transform:translateX(2px); color:var(--brand); }

/* ===== Dock 导航 ===== */
.dock-wrap{
  position:fixed; top:16px; left:0; right:0; z-index:200;
  display:flex; flex-direction:column; align-items:center;
  padding:0 20px; pointer-events:none;
}
.dock{
  pointer-events:auto;
  width:100%; max-width:1120px;
  display:flex; align-items:center; gap:20px;
  padding:10px 12px 10px 20px;
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(14px) saturate(1.5);
  backdrop-filter:blur(14px) saturate(1.5);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:0 6px 26px rgba(18,22,26,.08);
  transition:padding .3s var(--ease), box-shadow .3s var(--ease), background .3s var(--ease);
}
.dock.is-stuck{
  padding:6px 10px 6px 16px;
  box-shadow:0 10px 34px rgba(18,22,26,.16);
  background:rgba(255,255,255,.96);
}
.dock-logo{ display:flex; align-items:center; gap:10px; flex:0 0 auto; }
.logo-mark{
  position:relative; width:30px; height:30px; border-radius:10px; flex:0 0 30px;
  background:linear-gradient(135deg,#FF7A42,#FF5A1F 55%,#E44A12);
  box-shadow:0 4px 12px rgba(255,90,31,.30);
  overflow:hidden;
}
.logo-mark::before{
  content:""; position:absolute; top:-6px; left:12px; width:8px; height:44px;
  background:rgba(255,255,255,.85); transform:rotate(24deg);
}
.logo-mark::after{
  content:""; position:absolute; top:-6px; left:2px; width:4px; height:44px;
  background:rgba(255,255,255,.38); transform:rotate(24deg);
}
.logo-text{ font-size:18px; font-weight:800; letter-spacing:-.01em; color:var(--t1); }
.logo-text em{ font-style:normal; color:var(--brand); }

.dock-menu{ display:flex; align-items:center; gap:2px; margin:0 auto; }
.dock-menu li{ margin:0; }
.dock-menu a{
  display:block; padding:9px 15px; border-radius:var(--r-pill);
  font-size:15px; color:var(--t2); font-weight:500;
  transition:background .2s var(--ease), color .2s var(--ease);
}
.dock-menu a:hover{ color:var(--t1); background:rgba(18,22,26,.05); }
.dock-menu a.active{
  background:var(--brand-soft); color:var(--brand-dark); font-weight:700;
}
.dock-actions{ display:flex; align-items:center; gap:8px; flex:0 0 auto; }
.dock-search{
  width:40px; height:40px; border-radius:50%;
  border:1px solid var(--line); color:var(--t2);
  display:inline-flex; align-items:center; justify-content:center;
  transition:all .22s var(--ease);
}
.dock-search:hover{ border-color:var(--brand); color:var(--brand); background:var(--brand-soft); }
.dock-toggle{ display:none; width:40px; height:40px; border-radius:50%; border:1px solid var(--line); color:var(--t1); align-items:center; justify-content:center; }

.dock-drawer{
  pointer-events:auto;
  display:none; flex-direction:column; gap:4px;
  width:100%; max-width:1120px; margin-top:10px; padding:14px;
  background:#fff; border:1px solid var(--line); border-radius:24px;
  box-shadow:0 18px 44px rgba(18,22,26,.16);
}
.dock-drawer.open{ display:flex; }
.dock-drawer a{ padding:13px 16px; border-radius:14px; font-size:15px; color:var(--t2); font-weight:500; }
.dock-drawer a:hover{ background:var(--page); color:var(--t1); }
.dock-drawer a.active{ background:var(--brand-soft); color:var(--brand-dark); font-weight:700; }
.drawer-cta{ margin-top:8px; }

/* ===== 页面 Hero ===== */
.page-hero{
  position:relative; overflow:hidden; color:#fff;
  padding:158px 0 92px;
  background:var(--ink) url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.page-hero::before{
  content:""; position:absolute; inset:0;
  background:linear-gradient(105deg, rgba(18,22,26,.94) 0%, rgba(18,22,26,.88) 42%, rgba(18,22,26,.58) 100%);
}
.page-hero::after{
  content:""; position:absolute; right:-80px; bottom:-120px; width:460px; height:320px;
  background:linear-gradient(120deg, rgba(255,90,31,.55), rgba(255,90,31,0));
  transform:rotate(-14deg); border-radius:60px; pointer-events:none;
}
.page-hero .container{ position:relative; z-index:2; }

.crumbs{ display:flex; flex-wrap:wrap; align-items:center; gap:8px; font-size:14px; color:rgba(255,255,255,.62); margin-bottom:22px; }
.crumbs a:hover{ color:var(--brand); }
.crumbs .sep{ color:var(--brand); }
.crumbs .current{ color:#fff; font-weight:700; }

.seal{
  display:inline-block; background:var(--brand); color:#fff;
  padding:5px 12px; border-radius:4px; font-size:13px; font-weight:600;
  letter-spacing:.08em; margin-bottom:20px;
}
.page-hero h1{
  font-size:clamp(30px,4.6vw,50px); font-weight:800; line-height:1.24;
  letter-spacing:-.01em; margin-bottom:18px;
}
.page-hero .lead{
  max-width:620px; font-size:17px; line-height:1.9; color:rgba(255,255,255,.80);
}
.hero-actions{ display:flex; flex-wrap:wrap; gap:14px; margin-top:32px; }
.hero-facts{
  display:flex; flex-wrap:wrap; gap:40px; margin-top:48px;
  padding-top:28px; border-top:1px solid rgba(255,255,255,.16);
}
.fact-item .fact-num{
  display:block; font-family:var(--mono); font-size:36px; font-weight:700;
  line-height:1.1; color:#fff; letter-spacing:-.02em;
}
.fact-item .fact-num span{ font-size:16px; color:var(--brand); margin-left:2px; }
.fact-item .fact-label{ font-size:13px; color:rgba(255,255,255,.60); }

/* ===== 板块标题组 ===== */
.section{ padding:96px 0; }
.section-tight{ padding:72px 0; }
.sec-head{ margin-bottom:40px; max-width:720px; }
.sec-head.center{ margin-left:auto; margin-right:auto; text-align:center; }
.sec-tag{
  display:inline-flex; align-items:center; gap:8px;
  font-size:13px; font-weight:700; letter-spacing:.10em;
  color:var(--brand-dark); margin-bottom:14px;
}
.sec-tag::before{ content:""; width:22px; height:3px; border-radius:2px; background:var(--brand); }
.sec-head.center .sec-tag{ justify-content:center; }
.sec-head h2{
  font-size:clamp(24px,3vw,34px); font-weight:800; line-height:1.32; letter-spacing:-.01em;
  margin-bottom:12px;
}
.sec-head p{ font-size:16px; color:var(--t2); }

/* ===== 通道速览（左图标右文字） ===== */
.channel-item{
  display:flex; gap:18px; height:100%;
  background:var(--card); border:1px solid var(--line); border-radius:var(--r-md);
  padding:26px 24px; box-shadow:var(--sh-1);
  transition:transform .28s var(--ease), box-shadow .28s var(--ease), border-color .28s var(--ease);
}
.channel-item:hover{ transform:translateY(-4px); box-shadow:var(--sh-2); border-color:rgba(255,90,31,.35); }
.channel-ico{
  flex:0 0 48px; width:48px; height:48px; border-radius:14px;
  display:flex; align-items:center; justify-content:center;
  background:var(--brand-soft); color:var(--brand); font-size:20px;
}
.channel-item:nth-child(2) .channel-ico{ background:var(--green-soft); color:var(--green); }
.channel-body h3{ font-size:20px; font-weight:700; margin-bottom:8px; }
.channel-body p{ font-size:15px; color:var(--t2); line-height:1.8; }
.channel-body .link-more{ margin-top:12px; font-size:14px; }
.channel-offset{ margin-top:28px; }

/* ===== 交错图文 ===== */
.zig{
  display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center;
  padding:44px 0; border-bottom:1px dashed var(--line);
}
.zig:last-child{ border-bottom:0; }
.zig-media{ position:relative; }
.zig-media .frame{
  position:relative; overflow:hidden; border-radius:var(--r-lg);
  aspect-ratio:16/11; background:#E9E6E0; box-shadow:var(--sh-1);
}
.zig-media .frame img{ width:100%; height:100%; object-fit:cover; transition:transform .5s var(--ease); }
.zig:hover .zig-media .frame img{ transform:scale(1.04); }
.zig-media .chiprate{
  position:absolute; left:18px; bottom:18px;
  display:inline-flex; align-items:center; gap:8px;
  background:rgba(255,255,255,.94); border-radius:var(--r-pill);
  padding:8px 16px; font-size:13px; font-weight:700; color:var(--t1);
  box-shadow:0 8px 22px rgba(18,22,26,.14);
}
.zig-media .chiprate i{ color:var(--yellow); }
.zig-text .mini-tag{
  display:inline-block; font-size:13px; font-weight:700; color:var(--green);
  background:var(--green-soft); border-radius:var(--r-pill);
  padding:4px 12px; margin-bottom:16px;
}
.zig-text h2{ font-size:clamp(22px,2.6vw,30px); font-weight:800; line-height:1.36; margin-bottom:14px; }
.zig-text p{ font-size:16px; color:var(--t2); line-height:1.9; margin-bottom:16px; }
.zig-text p:last-of-type{ margin-bottom:20px; }
.zig.reverse .zig-media{ order:-1; }

/* ===== 数据带 ===== */
.data-band{
  position:relative; overflow:hidden; background:var(--ink); color:#fff;
  padding:80px 0;
}
.data-band::after{
  content:""; position:absolute; inset:0;
  background:repeating-linear-gradient(118deg, rgba(255,255,255,.05) 0 2px, rgba(255,255,255,0) 2px 26px);
  pointer-events:none;
}
.data-band .container-wide{ position:relative; z-index:2; }
.data-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:32px; }
.data-cell{ padding-left:20px; border-left:3px solid var(--brand); }
.data-cell .num{
  font-family:var(--mono); font-size:clamp(40px,5vw,62px); font-weight:700;
  line-height:1.05; letter-spacing:-.02em;
}
.data-cell .num small{ font-size:18px; margin-left:4px; color:var(--brand); font-family:var(--sans); font-weight:700; }
.data-cell .cap{ font-size:14px; color:rgba(255,255,255,.62); margin-top:6px; }

/* ===== FAQ ===== */
.faq-grid{ display:grid; grid-template-columns:0.8fr 1.4fr; gap:56px; align-items:start; }
.faq-side{ position:sticky; top:120px; }
.faq-side h2{ font-size:clamp(24px,3vw,32px); font-weight:800; line-height:1.34; margin-bottom:12px; }
.faq-side p{ font-size:15px; color:var(--t2); }
.faq-list{ display:flex; flex-direction:column; gap:12px; }
.faq-item{
  background:var(--card); border:1px solid var(--line); border-radius:var(--r-sm);
  overflow:hidden; transition:border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.faq-item:hover{ border-color:rgba(255,90,31,.35); box-shadow:var(--sh-1); }
.faq-item.open{ border-color:rgba(255,90,31,.45); box-shadow:inset 3px 0 0 var(--brand), var(--sh-1); }
.faq-q{
  width:100%; display:flex; align-items:center; justify-content:space-between; gap:16px;
  padding:20px 22px; font-size:16px; font-weight:600; color:var(--t1); text-align:left;
}
.faq-icon{ position:relative; flex:0 0 18px; width:18px; height:18px; }
.faq-icon::before,.faq-icon::after{
  content:""; position:absolute; background:var(--brand); border-radius:2px;
  transition:transform .3s var(--ease), opacity .3s var(--ease);
}
.faq-icon::before{ left:0; top:8px; width:18px; height:2px; }
.faq-icon::after{ left:8px; top:0; width:2px; height:18px; }
.faq-item.open .faq-icon::after{ transform:rotate(90deg); opacity:0; }
.faq-a{ max-height:0; overflow:hidden; transition:max-height .35s var(--ease); }
.faq-a p{ padding:0 22px 22px; font-size:15px; color:var(--t2); line-height:1.9; }

/* ===== CTA 带 ===== */
.cta-band{
  position:relative; overflow:hidden; background:var(--ink); color:#fff;
  padding:76px 0;
}
.cta-band::before{
  content:""; position:absolute; top:-60px; right:-40px; width:420px; height:280px;
  background:linear-gradient(120deg, rgba(255,90,31,.42), rgba(255,90,31,0));
  transform:rotate(-12deg); border-radius:48px;
}
.cta-inner{ position:relative; z-index:2; display:flex; align-items:center; justify-content:space-between; gap:40px; }
.cta-inner h2{ font-size:clamp(24px,3vw,32px); font-weight:800; line-height:1.34; margin-bottom:10px; }
.cta-inner p{ font-size:16px; color:rgba(255,255,255,.72); max-width:560px; }
.cta-actions{ display:flex; gap:14px; flex:0 0 auto; }

/* ===== 表单（订阅） ===== */
.footer-sub{ display:flex; gap:8px; margin-top:14px; }
.footer-sub input{
  flex:1 1 auto; height:48px; padding:0 16px; border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.20); background:rgba(255,255,255,.08);
  color:#fff; font-size:14px; transition:border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.footer-sub input::placeholder{ color:rgba(255,255,255,.48); }
.footer-sub input:focus{ outline:none; border-color:var(--brand); box-shadow:0 0 0 3px rgba(255,90,31,.22); }

/* ===== 页脚 ===== */
.site-footer{ background:var(--ink); color:rgba(255,255,255,.72); padding:72px 0 28px; }
.footer-grid{ display:grid; grid-template-columns:1.3fr 1fr 1fr 1.4fr; gap:40px; }
.footer-col{ padding-right:24px; border-right:1px solid rgba(255,255,255,.09); }
.footer-col:last-child{ border-right:0; padding-right:0; }
.footer-brand{ display:flex; align-items:center; gap:10px; margin-bottom:14px; }
.footer-brand b{ font-size:17px; color:#fff; font-weight:800; }
.footer-col h4{ font-size:15px; font-weight:700; color:#fff; margin-bottom:16px; }
.footer-col p{ font-size:14px; line-height:1.9; }
.footer-col ul li{ margin-bottom:10px; }
.footer-col ul a{ font-size:14px; color:rgba(255,255,255,.68); }
.footer-col ul a:hover{ color:var(--brand); }
.footer-contact li{ display:flex; gap:10px; align-items:flex-start; font-size:14px; }
.footer-contact li i{ color:var(--brand); margin-top:6px; }
.footer-bottom{
  display:flex; flex-wrap:wrap; gap:12px; align-items:center; justify-content:space-between;
  margin-top:52px; padding-top:22px; border-top:1px solid rgba(255,255,255,.09);
  font-size:13px; color:rgba(255,255,255,.52);
}
.fb-links{ display:flex; flex-wrap:wrap; gap:18px; }
.fb-links a:hover{ color:var(--brand); }

/* ===== 返回顶部 ===== */
.to-top{
  position:fixed; right:22px; bottom:26px; z-index:180;
  width:46px; height:46px; border-radius:50%;
  background:#fff; color:var(--t2); border:1px solid var(--line);
  display:flex; align-items:center; justify-content:center;
  box-shadow:var(--sh-1); opacity:0; visibility:hidden;
  transition:all .28s var(--ease);
}
.to-top.show{ opacity:1; visibility:visible; }
.to-top:hover{ background:var(--brand); color:#fff; border-color:var(--brand); transform:translateY(-3px); }

/* ===== 动效 ===== */
.reveal{ opacity:0; transform:translateY(22px); transition:opacity .6s var(--ease), transform .6s var(--ease); }
.reveal.in{ opacity:1; transform:none; }

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .dock-menu{ display:none; }
  .dock-toggle{ display:inline-flex; }
  .dock-actions .btn-primary{ display:none; }
  .zig{ grid-template-columns:1fr; gap:32px; padding:36px 0; }
  .zig.reverse .zig-media{ order:0; }
  .faq-grid{ grid-template-columns:1fr; gap:32px; }
  .faq-side{ position:static; }
  .data-grid{ grid-template-columns:repeat(2,1fr); gap:28px; }
  .footer-grid{ grid-template-columns:1fr 1fr; gap:32px; }
  .footer-col{ border-right:0; padding-right:0; }
  .cta-inner{ flex-direction:column; align-items:flex-start; }
}
@media (max-width:720px){
  body{ font-size:16px; }
  .section{ padding:64px 0; }
  .section-tight{ padding:52px 0; }
  .page-hero{ padding:132px 0 68px; }
  .page-hero .lead{ font-size:16px; }
  .hero-actions .btn{ width:100%; }
  .hero-facts{ gap:24px; margin-top:36px; }
  .fact-item{ flex:1 1 40%; }
  .fact-item .fact-num{ font-size:28px; }
  .channel-offset{ margin-top:0; }
  .channel-item{ padding:22px 18px; }
  .data-band{ padding:56px 0; }
  .data-cell{ padding-left:14px; }
  .faq-q{ padding:17px 18px; font-size:15px; }
  .faq-a p{ padding:0 18px 18px; }
  .cta-band{ padding:56px 0; }
  .cta-actions{ width:100%; flex-direction:column; }
  .cta-actions .btn{ width:100%; }
  .footer-grid{ grid-template-columns:1fr; }
  .footer-sub{ flex-direction:column; }
  .footer-sub .btn{ width:100%; }
  .to-top{ right:16px; bottom:18px; }
}

/* roulang page: category2 */
:root{
  --orange:#FF5A1F;
  --orange-dark:#E44A12;
  --orange-soft:rgba(255,90,31,.10);
  --green:#12B76A;
  --green-soft:rgba(18,183,106,.12);
  --yellow:#FFC53D;
  --ink:#12161A;
  --ink-2:#1C2229;
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --line:#E6E4DE;
  --t1:#1A1D21;
  --t2:#5C636B;
  --t3:#8A9199;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --sh-1:0 1px 2px rgba(18,22,26,.06), 0 8px 24px rgba(18,22,26,.06);
  --sh-2:0 12px 32px rgba(255,90,31,.14);
  --sh-dark:0 12px 32px rgba(0,0,0,.30);
  --sp:8px;
  --font:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --mono:"DIN Alternate","Barlow Semi Condensed",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.85;
  color:var(--t1);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:800;line-height:1.28;letter-spacing:-.01em;color:var(--t1);font-family:var(--font)}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
a{color:inherit;text-decoration:none;transition:color .2s ease}
img{max-width:100%;display:block;border:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea,select{font-family:inherit}
strong,b{font-weight:700}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:4px}
.skip-link{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.container-wide{max-width:1280px}
.section{padding:104px 0}
.section-sm{padding:72px 0}
.bg-card{background:var(--card)}
.bg-ink{background:var(--ink);color:#fff}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-size:15px;font-weight:700;
  letter-spacing:.01em;transition:all .22s ease;white-space:nowrap;
  border:1.5px solid transparent;line-height:1.2;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 6px 18px rgba(255,90,31,.28)}
.btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(255,90,31,.22)}
.btn-ghost{background:transparent;color:var(--t1);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-light{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.42)}
.btn-light:hover{background:#fff;color:var(--ink);transform:translateY(-2px)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-lg{padding:16px 32px;font-size:16px}
.btn-block{display:flex;width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:15px;color:var(--orange);
  box-shadow:inset 0 -2px 0 var(--orange);padding-bottom:2px;transition:all .2s ease;
}
.link-more:hover{color:var(--orange-dark);box-shadow:inset 0 -2px 0 var(--orange-dark);transform:translateX(2px)}
.link-more i{font-size:12px;transition:transform .2s ease}
.link-more:hover i{transform:translateX(2px)}

/* ============ Dock 导航 ============ */
.dock-wrap{position:fixed;top:16px;left:0;right:0;z-index:80;padding:0 20px;pointer-events:none}
.dock{
  pointer-events:auto;
  max-width:1120px;margin:0 auto;display:flex;align-items:center;gap:20px;
  background:rgba(247,246,242,.9);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid var(--line);border-radius:999px;
  padding:10px 14px 10px 20px;
  box-shadow:var(--sh-1);
  transition:padding .3s ease, box-shadow .3s ease, background .3s ease;
}
.dock-wrap.is-scrolled .dock{
  padding:6px 12px 6px 18px;
  background:rgba(247,246,242,.97);
  box-shadow:0 2px 4px rgba(18,22,26,.08), 0 14px 34px rgba(18,22,26,.12);
}
.dock-logo{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;letter-spacing:-.01em;flex:none}
.logo-mark{
  width:26px;height:26px;border-radius:8px;flex:none;position:relative;
  background:linear-gradient(135deg,var(--orange),#FF8A4C);
  box-shadow:0 4px 12px rgba(255,90,31,.3);
}
.logo-mark::after{
  content:"";position:absolute;left:6px;right:6px;top:11px;height:4px;border-radius:2px;
  background:rgba(255,255,255,.95);transform:skewX(-22deg);
}
.logo-text em{font-style:normal;color:var(--orange)}
.dock-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.dock-menu a{
  display:block;padding:9px 14px;border-radius:999px;font-size:14.5px;font-weight:600;
  color:var(--t2);transition:all .2s ease;
}
.dock-menu a:hover{color:var(--t1);background:rgba(18,22,26,.055)}
.dock-menu a.active{background:var(--orange);color:#fff;box-shadow:0 6px 16px rgba(255,90,31,.28)}
.dock-actions{display:flex;align-items:center;gap:10px;flex:none}
.dock-search{
  width:38px;height:38px;border-radius:999px;border:1px solid var(--line);
  background:#fff;color:var(--t2);display:grid;place-items:center;transition:all .2s ease;
}
.dock-search:hover{color:var(--orange);border-color:var(--orange);transform:translateY(-1px)}
.dock-toggle{
  display:none;width:38px;height:38px;border-radius:999px;border:1px solid var(--line);
  background:#fff;color:var(--t1);place-items:center;
}
.dock-toggle:hover{color:var(--orange);border-color:var(--orange)}
.dock-drawer{
  display:none;pointer-events:auto;
  max-width:1120px;margin:12px auto 0;background:#fff;border:1px solid var(--line);
  border-radius:24px;padding:12px;box-shadow:0 20px 44px rgba(18,22,26,.16);
}
.dock-drawer.open{display:block;animation:drawerIn .24s ease}
@keyframes drawerIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
.dock-drawer a{display:block;padding:12px 16px;border-radius:14px;font-size:15px;font-weight:600;color:var(--t1)}
.dock-drawer a:hover{background:rgba(18,22,26,.05)}
.dock-drawer a.active{background:var(--orange-soft);color:var(--orange)}
.dock-drawer .drawer-cta{margin-top:8px;color:#fff}
.dock-drawer .drawer-cta:hover{background:var(--orange-dark);color:#fff}

/* ============ Hero ============ */
.hero{position:relative;background:var(--ink);color:#fff;overflow:hidden;padding:148px 0 84px}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center right;
  opacity:.30;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(100deg, rgba(18,22,26,.96) 0%, rgba(18,22,26,.86) 46%, rgba(18,22,26,.52) 100%),
    radial-gradient(760px 380px at 88% 12%, rgba(255,90,31,.30), transparent 62%);
}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:56px;align-items:center}
.crumb{display:flex;flex-wrap:wrap;align-items:center;font-size:13.5px;color:rgba(255,255,255,.62);margin-bottom:26px}
.crumb a{color:rgba(255,255,255,.62)}
.crumb a:hover{color:#fff}
.crumb .sep{color:var(--orange);margin:0 9px;font-weight:700}
.crumb strong{color:#fff;font-weight:700}
.seal{
  display:inline-block;background:var(--orange);color:#fff;font-size:12.5px;font-weight:700;
  padding:6px 11px;border-radius:4px;letter-spacing:.06em;line-height:1.4;
}
.hero h1{font-size:clamp(31px,4.4vw,52px);color:#fff;margin:18px 0 16px;letter-spacing:-.015em}
.hero-sub{font-size:18px;color:rgba(255,255,255,.82);max-width:520px;margin-bottom:14px;line-height:1.7}
.hero-desc{font-size:15px;color:rgba(255,255,255,.66);max-width:540px;line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  margin-top:42px;padding-top:28px;border-top:1px solid rgba(255,255,255,.14);
}
.stat-num{
  font-family:var(--mono);font-size:34px;font-weight:700;color:#fff;line-height:1.1;
  letter-spacing:-.02em;
}
.stat-num small{font-size:14px;font-weight:600;color:var(--orange);margin-left:3px}
.stat-label{font-size:13px;color:rgba(255,255,255,.58);margin-top:6px}
.hero-media{position:relative;border-radius:var(--r-lg);overflow:hidden;aspect-ratio:4/3;background:#20262D;box-shadow:0 24px 60px rgba(0,0,0,.42)}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:38%;
  background:linear-gradient(180deg,transparent,rgba(18,22,26,.72));
}
.hero-badge{
  position:absolute;left:20px;bottom:20px;z-index:2;display:flex;align-items:center;gap:10px;
  background:rgba(18,22,26,.72);border:1px solid rgba(255,255,255,.16);
  border-radius:999px;padding:8px 16px;font-size:13px;color:#fff;
}
.pulse-dot{width:8px;height:8px;border-radius:999px;background:var(--green);box-shadow:0 0 0 4px rgba(18,183,106,.22)}

/* ============ 板块标题组 ============ */
.sec-head{max-width:760px;margin-bottom:44px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-flag{
  display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:700;
  color:var(--orange);letter-spacing:.08em;margin-bottom:14px;
}
.sec-flag::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--orange)}
.sec-head.center .sec-flag{justify-content:center}
.sec-title{font-size:clamp(25px,3.1vw,36px)}
.sec-lead{color:var(--t2);font-size:16px;margin-top:14px}
.bg-ink .sec-title,.bg-ink h2,.bg-ink h3{color:#fff}
.bg-ink .sec-lead,.bg-ink p{color:rgba(255,255,255,.72)}

/* ============ 时间轴 / 步骤轨 ============ */
.timeline{position:relative;padding-left:4px}
.timeline::before{
  content:"";position:absolute;left:11px;top:10px;bottom:10px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,var(--orange),rgba(255,90,31,.10));
}
.tl-item{position:relative;padding-left:52px;padding-bottom:40px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{
  position:absolute;left:0;top:6px;width:24px;height:24px;border-radius:999px;
  background:#fff;border:2px solid var(--orange);display:grid;place-items:center;z-index:1;
}
.tl-dot span{width:8px;height:8px;border-radius:999px;background:var(--orange)}
.tl-time{
  font-family:var(--mono);font-size:13px;font-weight:700;color:var(--orange);
  letter-spacing:.04em;
}
.tl-card{
  margin-top:12px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px;display:grid;grid-template-columns:220px 1fr;gap:26px;align-items:center;
  box-shadow:var(--sh-1);transition:transform .25s ease, box-shadow .25s ease;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(18,22,26,.10)}
.tl-thumb{aspect-ratio:16/10;border-radius:var(--r-sm);overflow:hidden;background:#EDEBE6}
.tl-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.tl-card:hover .tl-thumb img{transform:scale(1.04)}
.tl-body h3{font-size:21px;margin-bottom:10px}
.tl-body p{font-size:15px;color:var(--t2);line-height:1.85}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.chip{
  display:inline-block;padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:var(--orange-soft);color:var(--orange-dark);
}
.chip-green{background:var(--green-soft);color:#0B8A50}
.chip-line{background:transparent;border:1px solid var(--line);color:var(--t2)}

/* ============ 数据窗口卡片 ============ */
.win-card{
  height:100%;background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 22px;box-shadow:var(--sh-1);transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.win-card:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(18,22,26,.10);border-color:rgba(255,90,31,.35)}
.win-icon{
  width:46px;height:46px;border-radius:14px;background:var(--orange-soft);color:var(--orange);
  display:grid;place-items:center;font-size:19px;margin-bottom:18px;
}
.win-card h3{font-size:18.5px;margin-bottom:10px}
.win-card p{font-size:14.5px;color:var(--t2);line-height:1.8}
.win-list{margin-top:14px;display:grid;gap:8px}
.win-list li{position:relative;padding-left:16px;font-size:14px;color:var(--t2)}
.win-list li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:2px;background:var(--green)}

/* ============ 场景图文 ============ */
.scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.scene-media{position:relative;border-radius:var(--r-lg);overflow:hidden;aspect-ratio:5/4;background:#EDEBE6;box-shadow:var(--sh-1)}
.scene-media img{width:100%;height:100%;object-fit:cover}
.scene-media .corner{
  position:absolute;right:-30px;top:-30px;width:130px;height:130px;
  background:var(--orange);opacity:.9;transform:rotate(18deg);
}
.scene-list{display:grid;gap:16px;margin-top:26px}
.scene-item{
  display:grid;grid-template-columns:44px 1fr;gap:16px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-sm);padding:18px;
  transition:transform .25s ease, box-shadow .25s ease;
}
.scene-item:hover{transform:translateY(-3px);box-shadow:var(--sh-1)}
.scene-idx{
  width:44px;height:44px;border-radius:12px;background:var(--ink);color:#fff;
  font-family:var(--mono);font-size:16px;font-weight:700;display:grid;place-items:center;
}
.scene-item h3{font-size:16.5px;margin-bottom:6px}
.scene-item p{font-size:14px;color:var(--t2)}
.dot-list{display:grid;gap:12px;margin-top:22px}
.dot-list li{position:relative;padding-left:22px;font-size:15px;color:var(--t2)}
.dot-list li::before{
  content:"";position:absolute;left:0;top:10px;width:10px;height:10px;border-radius:3px;
  background:var(--orange);transform:skewX(-12deg);
}

/* ============ 深色数据带 ============ */
.band{position:relative;background:var(--ink);overflow:hidden;padding:84px 0}
.band::before{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(115deg, rgba(255,255,255,.045) 0 2px, transparent 2px 78px);
}
.band .container{position:relative;z-index:2}
.band-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;margin-top:12px}
.band-item{border-left:2px solid rgba(255,90,31,.55);padding-left:20px}
.band-num{font-family:var(--mono);font-size:clamp(36px,5vw,62px);font-weight:700;color:#fff;line-height:1.05;letter-spacing:-.03em}
.band-num small{font-size:15px;color:var(--green);font-weight:700;margin-left:4px}
.band-cap{font-size:14px;color:rgba(255,255,255,.62);margin-top:10px}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:340px 1fr;gap:56px;align-items:start}
.faq-side{position:sticky;top:120px}
.faq-side h2{font-size:clamp(24px,2.8vw,32px)}
.faq-side p{color:var(--t2);font-size:15px;margin-top:14px}
.faq-list{display:grid;gap:12px}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;transition:border-color .25s ease, box-shadow .25s ease}
.faq-item.open{border-color:rgba(255,90,31,.5);box-shadow:var(--sh-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 22px;font-size:16.5px;font-weight:700;text-align:left;color:var(--t1);
  position:relative;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:2px;
  background:var(--orange);opacity:0;transition:opacity .25s ease;
}
.faq-item.open .faq-q::before{opacity:1}
.faq-ic{
  flex:none;width:26px;height:26px;border-radius:999px;background:var(--orange-soft);color:var(--orange);
  display:grid;place-items:center;font-size:12px;transition:transform .3s ease, background .3s ease, color .3s ease;
}
.faq-item.open .faq-ic{background:var(--orange);color:#fff;transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s ease}
.faq-a-inner{padding:0 22px 22px;font-size:15px;color:var(--t2);line-height:1.9;border-top:1px solid var(--line);padding-top:16px;margin:0 22px 22px;padding-left:0;padding-right:0}

/* ============ CTA 带 ============ */
.cta-band{position:relative;background:var(--ink);color:#fff;overflow:hidden;padding:76px 0}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(115deg, rgba(255,90,31,.16) 0 3px, transparent 3px 92px);
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:40px}
.cta-inner h2{font-size:clamp(24px,3vw,34px);color:#fff;max-width:600px}
.cta-inner p{color:rgba(255,255,255,.7);margin-top:12px;font-size:15.5px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex:none}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.7);padding:76px 0 30px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px}
.footer-col{border-left:1px solid rgba(255,255,255,.09);padding-left:28px}
.footer-col:first-child{border-left:0;padding-left:0}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;margin-bottom:16px}
.footer-col h4{color:#fff;font-size:15.5px;margin-bottom:18px;letter-spacing:.01em}
.footer-col p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.6)}
.footer-col ul{display:grid;gap:11px}
.footer-col ul a{font-size:14.5px;color:rgba(255,255,255,.66)}
.footer-col ul a:hover{color:var(--orange)}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:rgba(255,255,255,.66)}
.footer-contact i{color:var(--orange);margin-top:5px}
.footer-sub{display:flex;gap:10px;margin-top:18px}
.footer-sub input{
  flex:1;min-width:0;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.06);color:#fff;padding:0 14px;font-size:14px;transition:all .2s ease;
}
.footer-sub input::placeholder{color:rgba(255,255,255,.4)}
.footer-sub input:focus{outline:none;border-color:var(--orange);box-shadow:0 0 0 3px rgba(255,90,31,.18)}
.footer-bottom{
  margin-top:52px;padding-top:24px;border-top:1px solid rgba(255,255,255,.09);
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.48);
}
.fb-links{display:flex;gap:20px;flex-wrap:wrap}
.fb-links a{color:rgba(255,255,255,.6)}
.fb-links a:hover{color:var(--orange)}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;right:24px;bottom:24px;width:46px;height:46px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--t1);display:grid;place-items:center;
  box-shadow:var(--sh-1);opacity:0;visibility:hidden;transform:translateY(10px);
  transition:all .28s ease;z-index:70;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--orange);color:#fff;border-color:var(--orange)}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .dock-menu{display:none}
  .dock-toggle{display:grid}
  .dock{padding:8px 10px 8px 16px;gap:12px}
  .hero{padding:126px 0 68px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-media{aspect-ratio:16/10}
  .section{padding:72px 0}
  .section-sm{padding:56px 0}
  .faq-wrap{grid-template-columns:1fr;gap:32px}
  .faq-side{position:static}
  .scene-grid{grid-template-columns:1fr;gap:36px}
  .band-grid{grid-template-columns:repeat(2,1fr);gap:32px 24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .footer-col{border-left:0;padding-left:0}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1;min-width:180px}
}
@media (max-width:760px){
  body{font-size:16px;line-height:1.8}
  .container{padding:0 20px}
  .dock-wrap{padding:0 14px;top:12px}
  .logo-text{font-size:16px}
  .dock-search{display:none}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:22px 18px}
  .tl-card{grid-template-columns:1fr;gap:18px;padding:18px}
  .tl-item{padding-left:42px;padding-bottom:32px}
  .hero-actions .btn{flex:1;min-width:150px}
  .faq-q{font-size:15.5px;padding:18px}
  .faq-a-inner{margin:0 18px 18px}
  .section{padding:64px 0}
  .band{padding:64px 0}
  .cta-band{padding:60px 0}
  .footer-grid{grid-template-columns:1fr}
  .footer-sub{flex-direction:column}
  .footer-sub .btn{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:14px}
}
@media (max-width:520px){
  .hero{padding:118px 0 56px}
  .hero h1{font-size:31px}
  .hero-sub{font-size:16.5px}
  .stat-num{font-size:28px}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
  .btn{padding:12px 20px}
  .cta-actions{flex-direction:column}
  .cta-actions .btn{width:100%}
}

/* roulang page: category3 */
:root{
  --brand:#FF5A1F;
  --brand-dark:#E44A12;
  --brand-soft:rgba(255,90,31,.10);
  --brand-line:rgba(255,90,31,.32);
  --green:#12B76A;
  --green-soft:rgba(18,183,106,.12);
  --yellow:#FFC53D;
  --ink:#12161A;
  --ink-2:#1A1D21;
  --text:#1A1D21;
  --muted:#5C636B;
  --weak:#8A9199;
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --line:#E6E4DE;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --sh-1:0 1px 2px rgba(18,22,26,.06),0 8px 24px rgba(18,22,26,.06);
  --sh-2:0 12px 32px rgba(255,90,31,.14);
  --sh-3:0 1px 2px rgba(18,22,26,.05),0 18px 40px rgba(18,22,26,.10);
  --font:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  --mono:"DIN Alternate","Barlow Semi Condensed",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --sec-pad:104px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font);font-size:16.5px;line-height:1.85;color:var(--text);background:var(--bg);font-weight:400;letter-spacing:0;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s,opacity .2s}
button,input,select,textarea{font-family:inherit;font-size:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.skip-link{position:absolute;left:-9999px;top:0;background:#fff;color:var(--ink);padding:10px 16px;border-radius:0 0 12px 0;z-index:200}
.skip-link:focus{left:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.container-wide{max-width:1280px}

/* ---------- Dock 导航 ---------- */
.dock-wrap{position:fixed;top:16px;left:0;right:0;z-index:80;padding:0 20px;pointer-events:none}
.dock{pointer-events:auto;max-width:1120px;margin:0 auto;display:flex;align-items:center;gap:16px;padding:10px 14px 10px 18px;border-radius:999px;background:rgba(255,255,255,.93);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--line);box-shadow:0 1px 2px rgba(18,22,26,.06),0 10px 30px rgba(18,22,26,.08);transition:padding .25s ease,box-shadow .25s ease,background .25s ease}
.dock-wrap.is-scrolled .dock{padding:6px 12px 6px 16px;background:rgba(255,255,255,.98);box-shadow:0 14px 36px rgba(18,22,26,.16)}
.dock-logo{display:flex;align-items:center;gap:10px;flex:none}
.logo-mark{width:26px;height:26px;border-radius:9px;background:linear-gradient(135deg,var(--brand),#FF8A4C);position:relative;flex:none;box-shadow:0 6px 14px rgba(255,90,31,.35)}
.logo-mark::after{content:"";position:absolute;inset:7px;border-radius:2px;background:#fff;clip-path:polygon(0 0,100% 0,100% 48%,0 100%)}
.logo-text{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--ink);white-space:nowrap}
.logo-text em{font-style:normal;color:var(--brand)}
.dock-menu{display:flex;align-items:center;gap:2px;margin:0 auto 0 10px;padding:0;list-style:none}
.dock-menu li a{display:inline-block;padding:9px 15px;border-radius:999px;font-size:14.5px;font-weight:500;color:var(--muted);white-space:nowrap;transition:background .2s,color .2s}
.dock-menu li a:hover{color:var(--ink);background:rgba(18,22,26,.05)}
.dock-menu li a.active{color:var(--brand);background:var(--brand-soft);font-weight:700}
.dock-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.dock-search{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--muted);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:color .2s,border-color .2s,background .2s,transform .2s}
.dock-search:hover{color:var(--brand);border-color:var(--brand-line);transform:translateY(-1px)}
.dock-toggle{display:none;width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--ink);cursor:pointer;align-items:center;justify-content:center}
.dock-drawer{pointer-events:auto;display:none;max-width:1120px;margin:10px auto 0;padding:14px;border-radius:24px;background:rgba(255,255,255,.98);border:1px solid var(--line);box-shadow:0 16px 40px rgba(18,22,26,.16)}
.dock-drawer.is-open{display:block}
.dock-drawer a{display:block;padding:13px 16px;border-radius:14px;font-size:15px;font-weight:600;color:var(--muted)}
.dock-drawer a:hover{background:rgba(18,22,26,.05);color:var(--ink)}
.dock-drawer a.active{background:var(--brand-soft);color:var(--brand)}
.dock-drawer .drawer-cta{margin-top:10px;color:#fff}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-weight:600;font-size:15px;padding:13px 26px;border:1.5px solid transparent;cursor:pointer;line-height:1.2;text-align:center;transition:transform .2s ease,background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(255,90,31,.24)}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(255,90,31,.2)}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-on-dark{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-on-dark:hover{background:#fff;color:var(--ink);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-lg{padding:15px 32px;font-size:16px}
.btn-block{display:flex;width:100%}
.btn[disabled],.btn[aria-disabled="true"]{opacity:.45;pointer-events:none}
.text-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--ink);border-bottom:2px solid var(--brand);padding-bottom:2px;transition:transform .2s,color .2s}
.text-link:hover{color:var(--brand);transform:translateX(2px)}
.text-link i{font-size:12px}

/* ---------- 内页 Hero ---------- */
.page-hero{position:relative;background:var(--ink);color:#fff;padding:152px 0 88px;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:url(/assets/images/backpic/back-2.png) center/cover no-repeat;opacity:.3}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(112deg,rgba(18,22,26,.95) 0%,rgba(18,22,26,.8) 46%,rgba(18,22,26,.42) 100%)}
.page-hero .container{position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13.5px;color:rgba(255,255,255,.6);margin-bottom:24px}
.breadcrumb a{color:rgba(255,255,255,.72)}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{color:var(--brand);font-weight:700}
.breadcrumb .current{color:#fff;font-weight:700}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.08em}
.eyebrow::before{content:"";width:13px;height:13px;background:var(--brand);clip-path:polygon(0 0,100% 0,100% 100%)}
.eyebrow.on-dark{color:#FFB08A}
.eyebrow.on-dark::before{background:var(--brand)}
.page-hero h1{font-size:clamp(32px,4.4vw,50px);line-height:1.2;font-weight:800;letter-spacing:-.01em;margin:18px 0 18px;color:#fff}
.hero-lead{font-size:17px;line-height:1.85;color:rgba(255,255,255,.78);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-note{margin-top:26px;display:flex;flex-wrap:wrap;gap:10px}
.chip{display:inline-flex;align-items:center;gap:6px;padding:6px 13px;border-radius:999px;font-size:13px;font-weight:600;background:rgba(255,255,255,.1);color:rgba(255,255,255,.85);border:1px solid rgba(255,255,255,.16)}
.chip i{color:var(--green);font-size:12px}
.hero-visual{position:relative}
.hero-visual figure{margin:0;border-radius:var(--r-lg);overflow:hidden;border:1px solid rgba(255,255,255,.16);box-shadow:0 24px 60px rgba(0,0,0,.42);background:#232A31}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-visual figcaption{position:absolute;left:20px;bottom:20px;right:20px;padding:12px 16px;border-radius:14px;background:rgba(18,22,26,.78);color:rgba(255,255,255,.85);font-size:13px;line-height:1.6;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:44px;padding-top:28px;border-top:1px solid rgba(255,255,255,.14)}
.hero-stats .num{font-family:var(--mono);font-size:30px;font-weight:700;color:#fff;line-height:1.1;letter-spacing:-.02em}
.hero-stats .num span{font-size:15px;color:var(--brand);margin-left:3px;font-family:var(--font);font-weight:700}
.hero-stats .lbl{font-size:13px;color:rgba(255,255,255,.6);margin-top:4px}

/* ---------- 板块通用 ---------- */
.section{padding:var(--sec-pad) 0}
.section-alt{background:#fff}
.section-dark{background:var(--ink);color:#fff}
.section-head{max-width:740px;margin-bottom:44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.34;font-weight:800;letter-spacing:-.01em;margin:14px 0 14px;color:var(--ink-2)}
.section-head p{color:var(--muted);font-size:16px}
.section-dark .section-head h2{color:#fff}
.section-dark .section-head p{color:rgba(255,255,255,.66)}

/* ---------- 步骤轨 ---------- */
.step-track{position:relative;margin-top:8px;max-width:920px}
.step-track::before{content:"";position:absolute;left:27px;top:20px;bottom:44px;width:2px;background:linear-gradient(180deg,var(--brand) 0%,rgba(255,90,31,.32) 55%,rgba(255,90,31,.06) 100%);border-radius:2px}
.step{position:relative;display:grid;grid-template-columns:56px 1fr;gap:26px;padding-bottom:24px}
.step:last-child{padding-bottom:0}
.step-num{width:56px;height:56px;border-radius:50%;background:#fff;border:2px solid var(--brand);color:var(--brand);display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-weight:700;font-size:19px;position:relative;z-index:2;box-shadow:0 6px 16px rgba(255,90,31,.16)}
.step-body{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:26px 28px;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.step-body:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-line)}
.step-body h3{font-size:21px;font-weight:700;margin-bottom:10px;color:var(--ink-2);letter-spacing:-.01em}
.step-body p{color:var(--muted);font-size:15.5px;line-height:1.85}
.step-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{display:inline-flex;align-items:center;gap:5px;padding:5px 12px;border-radius:8px;font-size:12.5px;font-weight:600;background:var(--bg);color:var(--muted);border:1px solid var(--line)}
.tag-orange{background:var(--brand-soft);color:var(--brand-dark);border-color:var(--brand-line)}
.tag-green{background:var(--green-soft);color:#0E8F53;border-color:rgba(18,183,106,.28)}

/* ---------- 安全能力 ---------- */
.ability-layout{display:grid;grid-template-columns:.92fr 1.08fr;gap:48px;align-items:start}
.ability-figure{margin:0;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-3);background:#EDEBE5;position:relative}
.ability-figure img{width:100%;aspect-ratio:3/4;object-fit:cover;transition:transform .5s ease}
.ability-figure:hover img{transform:scale(1.04)}
.ability-figure figcaption{position:absolute;left:0;right:0;bottom:0;padding:16px 20px;background:linear-gradient(transparent,rgba(18,22,26,.82));color:rgba(255,255,255,.9);font-size:13.5px;line-height:1.6}
.ability-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.ability-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:24px;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.ability-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-line)}
.ability-icon{width:42px;height:42px;border-radius:12px;background:var(--brand-soft);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:17px;margin-bottom:16px}
.ability-card h3{font-size:17px;font-weight:700;margin-bottom:8px;color:var(--ink-2)}
.ability-card p{font-size:14.5px;color:var(--muted);line-height:1.8}

/* ---------- 风险对照 ---------- */
.compare{border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:var(--card);box-shadow:var(--sh-1)}
.compare-head{display:grid;grid-template-columns:1fr 1fr;background:var(--ink);color:#fff}
.compare-head span{padding:16px 26px;font-size:14px;font-weight:700;letter-spacing:.04em}
.compare-head span:first-child{border-right:1px solid rgba(255,255,255,.14);color:rgba(255,255,255,.72)}
.compare-row{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line);transition:background .2s}
.compare-row:nth-child(odd){background:#FCFBF9}
.compare-row:hover{background:var(--brand-soft)}
.compare-row .cr-left{padding:22px 26px;border-right:1px solid var(--line);font-size:15px;color:var(--muted);display:flex;gap:12px;align-items:flex-start}
.compare-row .cr-left i{color:var(--yellow);margin-top:5px;font-size:14px}
.compare-row .cr-right{padding:22px 26px;font-size:15px;color:var(--ink-2);font-weight:500;display:flex;gap:12px;align-items:flex-start}
.compare-row .cr-right i{color:var(--green);margin-top:5px;font-size:14px}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:.68fr 1.32fr;gap:56px;align-items:start}
.faq-side h2{font-size:clamp(23px,2.6vw,30px);font-weight:800;line-height:1.34;margin:14px 0 14px;color:var(--ink-2)}
.faq-side p{color:var(--muted);font-size:15.5px}
.faq-side .side-box{margin-top:26px;padding:20px 22px;border-radius:var(--r-md);background:var(--card);border:1px solid var(--line);box-shadow:var(--sh-1)}
.faq-side .side-box strong{display:block;font-size:15px;margin-bottom:6px;color:var(--ink-2)}
.faq-side .side-box span{font-size:14px;color:var(--muted)}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;transition:box-shadow .25s,border-color .25s}
.faq-item.is-open{border-color:var(--brand-line);box-shadow:var(--sh-1);border-left:3px solid var(--brand)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:19px 22px;background:none;border:0;cursor:pointer;text-align:left;font-size:16px;font-weight:700;color:var(--ink-2);line-height:1.6}
.faq-q:hover{color:var(--brand)}
.faq-sign{flex:none;width:26px;height:26px;border-radius:50%;border:1.5px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--brand);font-size:13px;transition:transform .3s ease,background .3s,border-color .3s,color .3s}
.faq-item.is-open .faq-sign{transform:rotate(180deg);background:var(--brand);border-color:var(--brand);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 22px 22px;font-size:15px;color:var(--muted);line-height:1.88}

/* ---------- CTA 带 ---------- */
.cta-band{position:relative;background:var(--ink);color:#fff;padding:84px 0;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(115deg,rgba(255,90,31,.16) 0 2px,transparent 2px 26px);opacity:.85}
.cta-band::after{content:"";position:absolute;right:-140px;top:-120px;width:440px;height:440px;border-radius:50%;border:1px solid rgba(255,255,255,.1)}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:40px}
.cta-inner h2{font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.32;margin-bottom:12px;letter-spacing:-.01em}
.cta-inner p{color:rgba(255,255,255,.7);max-width:560px;font-size:16px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex:none}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:72px 0 30px;font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.25fr;gap:0}
.footer-col{padding:0 30px;border-left:1px solid rgba(255,255,255,.1)}
.footer-col:first-child{padding-left:0;border-left:0}
.footer-col:last-child{padding-right:0}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand b{font-size:17px;color:#fff;font-weight:800}
.footer-col p{color:rgba(255,255,255,.6);line-height:1.8;font-size:14.5px}
.footer-col h4{font-size:15px;color:#fff;font-weight:700;margin-bottom:18px;letter-spacing:.02em}
.footer-col ul li{margin-bottom:11px}
.footer-col ul li a{color:rgba(255,255,255,.68)}
.footer-col ul li a:hover{color:var(--brand)}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;color:rgba(255,255,255,.68)}
.footer-contact li i{margin-top:5px;color:var(--brand)}
.footer-sub{margin-top:18px;display:flex;gap:8px}
.footer-sub input{flex:1;height:44px;border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;padding:0 14px;font-size:14px;transition:border-color .2s,box-shadow .2s}
.footer-sub input::placeholder{color:rgba(255,255,255,.42)}
.footer-sub input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,90,31,.22)}
.footer-bottom{margin-top:52px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;font-size:13.5px;color:rgba(255,255,255,.5)}
.fb-links{display:flex;flex-wrap:wrap;gap:18px}
.fb-links a:hover{color:var(--brand)}

/* ---------- 返回顶部 ---------- */
.toTop{position:fixed;right:26px;bottom:26px;width:48px;height:48px;border-radius:50%;background:#fff;border:1px solid var(--line);color:var(--ink);display:flex;align-items:center;justify-content:center;box-shadow:var(--sh-1);z-index:70;opacity:0;visibility:hidden;transform:translateY(10px);transition:all .3s ease}
.toTop.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.toTop:hover{background:var(--brand);color:#fff;border-color:var(--brand);transform:translateY(-3px)}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .dock{padding:8px 12px 8px 16px}
  .dock-menu li a{padding:8px 12px;font-size:14px}
}
@media (max-width:1024px){
  :root{--sec-pad:78px}
  .dock-menu{display:none}
  .dock-toggle{display:inline-flex}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual{max-width:560px}
  .ability-layout{grid-template-columns:1fr;gap:34px}
  .ability-figure img{aspect-ratio:16/10}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px 0}
  .footer-col{padding:0 24px}
  .footer-col:nth-child(odd){padding-left:0;border-left:0}
  .footer-col:nth-child(even){padding-right:0}
  .cta-inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:768px){
  :root{--sec-pad:64px}
  body{font-size:16px}
  .container{padding:0 20px}
  .page-hero{padding:126px 0 64px}
  .hero-stats{grid-template-columns:repeat(3,1fr);gap:14px}
  .hero-stats .num{font-size:24px}
  .step-track::before{left:21px}
  .step{grid-template-columns:44px 1fr;gap:18px}
  .step-num{width:44px;height:44px;font-size:16px}
  .step-body{padding:20px 20px}
  .step-body h3{font-size:18px}
  .ability-grid{grid-template-columns:1fr}
  .compare-head,.compare-row{grid-template-columns:1fr}
  .compare-head span:first-child{border-right:0;border-bottom:1px solid rgba(255,255,255,.14)}
  .compare-row .cr-left{border-right:0;border-bottom:1px dashed var(--line)}
  .faq-q{font-size:15px;padding:16px 18px}
  .faq-a p{padding:0 18px 18px}
  .footer-grid{grid-template-columns:1fr}
  .footer-col{padding:0;border-left:0;border-top:1px solid rgba(255,255,255,.1);padding-top:26px}
  .footer-col:first-child{border-top:0;padding-top:0}
  .footer-sub{flex-wrap:wrap}
  .footer-sub input{min-width:100%}
  .footer-sub .btn{width:100%}
  .footer-bottom{flex-direction:column}
  .toTop{right:16px;bottom:16px;width:44px;height:44px}
}
@media (max-width:520px){
  .hero-actions .btn{width:100%}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .logo-text{font-size:15.5px}
}

/* roulang page: category4 */
:root{
  --brand:#FF5A1F;
  --brand-dark:#E44A12;
  --brand-soft:#FFF1EA;
  --green:#12B76A;
  --green-soft:#E7F8F0;
  --yellow:#FFC53D;
  --ink:#12161A;
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --line:#E6E4DE;
  --text:#1A1D21;
  --muted:#5C636B;
  --weak:#8A9199;
  --radius-xl:20px;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(18,22,26,.06),0 8px 24px rgba(18,22,26,.06);
  --shadow-2:0 12px 32px rgba(255,90,31,.14);
  --shadow-dark:0 18px 48px rgba(0,0,0,.3);
  --container:1200px;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --font-num:"DIN Alternate","Barlow Semi Condensed",ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;line-height:1.28;font-weight:800;color:var(--ink)}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.skip-link{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip-link:focus{position:static;width:auto;height:auto;clip:auto;display:block;margin-bottom:6px;color:#fff;font-size:13px}

/* ============ Dock 导航 ============ */
.dock-wrap{
  position:fixed;
  top:16px;left:20px;right:20px;
  z-index:90;
  display:flex;
  flex-direction:column;
  align-items:center;
  pointer-events:none;
}
.dock{
  pointer-events:auto;
  width:100%;
  max-width:1120px;
  display:flex;
  align-items:center;
  gap:16px;
  padding:10px 12px 10px 18px;
  background:rgba(255,255,255,.9);
  -webkit-backdrop-filter:blur(14px) saturate(150%);
  backdrop-filter:blur(14px) saturate(150%);
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  box-shadow:0 1px 2px rgba(18,22,26,.06),0 10px 28px rgba(18,22,26,.08);
  transition:padding .25s ease,box-shadow .25s ease;
}
.dock-wrap.is-stuck .dock{
  padding:7px 10px 7px 16px;
  box-shadow:0 2px 4px rgba(18,22,26,.08),0 14px 36px rgba(18,22,26,.14);
}
.dock-logo{
  display:flex;align-items:center;gap:10px;
  font-size:17px;font-weight:800;color:var(--ink);
  white-space:nowrap;padding-right:6px;
}
.dock-logo em{font-style:normal;color:var(--brand)}
.logo-mark{
  position:relative;flex:0 0 auto;
  width:28px;height:28px;border-radius:9px;
  background:linear-gradient(135deg,#FF7A3D,#FF5A1F);
  box-shadow:0 6px 14px rgba(255,90,31,.28);
}
.logo-mark::after{
  content:"";position:absolute;inset:8px 7px;border-radius:3px;
  background:#fff;transform:skewX(-12deg);
}
.dock-menu{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
.dock-menu a{
  display:block;padding:9px 14px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:500;color:var(--muted);
  transition:color .2s ease,background .2s ease;
}
.dock-menu a:hover{color:var(--ink);background:#F1EFE9}
.dock-menu a.active{color:var(--brand);background:var(--brand-soft);font-weight:700}
.dock-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.dock-search{
  width:40px;height:40px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:#fff;color:var(--muted);
  display:grid;place-items:center;cursor:pointer;font-size:15px;
  transition:color .2s,border-color .2s,background .2s;
}
.dock-search:hover{color:var(--brand);border-color:#FFCBB4;background:var(--brand-soft)}
.dock-toggle{
  display:none;width:40px;height:40px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:#fff;color:var(--ink);
  place-items:center;cursor:pointer;font-size:16px;
}
.dock-toggle:hover{color:var(--brand);border-color:#FFCBB4}
.dock-drawer{
  display:none;
  pointer-events:auto;
  width:100%;max-width:1120px;
  margin-top:10px;padding:14px;
  background:#fff;border:1px solid var(--line);
  border-radius:24px;box-shadow:var(--shadow-1);
  flex-direction:column;gap:4px;
}
.dock-drawer a{
  display:block;padding:13px 16px;border-radius:14px;
  font-size:15.5px;font-weight:600;color:var(--muted);
}
.dock-drawer a:hover{background:#F1EFE9;color:var(--ink)}
.dock-drawer a.active{background:var(--brand-soft);color:var(--brand)}
.dock-drawer .drawer-cta{margin-top:8px;text-align:center;color:#fff;display:flex;justify-content:center}
.dock-drawer .drawer-cta:hover{background:var(--brand-dark);color:#fff}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:700;line-height:1;
  border:1.5px solid transparent;cursor:pointer;
  transition:background .22s ease,color .22s ease,transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(255,90,31,.24)}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(255,90,31,.2)}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-outline:active{transform:translateY(0)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.page-hero .btn-outline{color:#fff;border-color:rgba(255,255,255,.5)}
.page-hero .btn-outline:hover{background:#fff;color:var(--ink);border-color:#fff}

/* ============ 通用标题组 ============ */
.tag-line{
  position:relative;display:inline-block;padding-left:16px;
  font-size:13.5px;font-weight:700;color:var(--brand);letter-spacing:.08em;
}
.tag-line::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:8px;height:8px;border-radius:2px;background:var(--brand);
}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:clamp(24px,3vw,34px);margin:14px 0 12px}
.section-head p{color:var(--muted);font-size:16px;max-width:56ch;margin:0}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section{padding:96px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stamp{
  display:inline-block;padding:6px 12px;border-radius:4px;
  background:var(--brand);color:#fff;
  font-size:13px;font-weight:700;letter-spacing:.04em;
}

/* ============ Hero ============ */
.page-hero{
  position:relative;overflow:hidden;isolation:isolate;
  padding:150px 0 86px;
  color:#fff;
  background:#12161A url("/assets/images/backpic/back-2.png") center/cover no-repeat;
}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(112deg,rgba(18,22,26,.95) 0%,rgba(18,22,26,.88) 44%,rgba(18,22,26,.62) 100%);
}
.page-hero::after{
  content:"";position:absolute;right:-12%;bottom:-32%;width:58%;height:130%;z-index:-1;
  background:linear-gradient(135deg,rgba(255,90,31,.24),rgba(255,90,31,0) 70%);
  transform:skewX(-18deg);
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:rgba(255,255,255,.6);margin-bottom:30px;
}
.breadcrumb a{color:rgba(255,255,255,.6)}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{color:var(--brand)}
.breadcrumb .current{color:#fff;font-weight:700}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:52px;align-items:center}
.page-hero h1{
  font-size:clamp(34px,4.4vw,52px);
  margin:18px 0 16px;color:#fff;line-height:1.12;
}
.hero-lead{font-size:17px;line-height:1.85;color:rgba(255,255,255,.8);max-width:36em;margin:0 0 32px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.spec-box{
  background:#fff;color:var(--text);
  border-radius:var(--radius-xl);border-top:4px solid var(--brand);
  padding:26px 26px 22px;box-shadow:var(--shadow-dark);
}
.spec-title{font-size:18px;margin:0 0 16px;font-weight:800}
.spec-box ul{list-style:none;display:grid;gap:10px}
.spec-box li{
  display:flex;justify-content:space-between;align-items:baseline;gap:12px;
  padding-bottom:10px;border-bottom:1px dashed var(--line);
  font-size:14.5px;color:var(--muted);
}
.spec-box li b{font-family:var(--font-num);font-size:17px;color:var(--ink);font-weight:700}
.spec-note{font-size:13px;color:var(--weak);line-height:1.7;margin:16px 0 0}

/* ============ 对照表 ============ */
.table-scroll{
  overflow-x:auto;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius-xl);
  box-shadow:var(--shadow-1);
}
.spec-table{width:100%;min-width:780px;border-collapse:collapse;font-size:15px}
.spec-table thead th{
  background:#F1EFE9;color:var(--ink);font-weight:700;text-align:left;
  padding:16px 18px;font-size:14.5px;white-space:nowrap;
}
.spec-table tbody th,.spec-table tbody td{
  padding:16px 18px;border-top:1px solid var(--line);
  color:var(--muted);vertical-align:top;font-weight:400;text-align:left;
}
.spec-table tbody th{color:var(--ink);font-weight:700;white-space:nowrap}
.spec-table tbody tr:nth-child(even){background:#FBFAF7}
.spec-table caption{
  caption-side:bottom;text-align:left;padding:14px 18px;
  border-top:1px solid var(--line);color:var(--weak);font-size:13px;
}
.table-foot{margin:18px 0 0;font-size:14px;color:var(--weak)}

/* ============ 图文交错 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split-media{
  border-radius:var(--radius-xl);overflow:hidden;
  background:#E9E7E1;aspect-ratio:4/3;
  box-shadow:var(--shadow-1);
}
.split-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.split-media:hover img{transform:scale(1.04)}
.split-body h2{font-size:clamp(23px,2.6vw,31px);margin:14px 0 18px}
.check-list{list-style:none;display:grid;gap:14px;margin:0 0 24px}
.check-list li{position:relative;padding-left:34px;font-size:16px;color:var(--muted);line-height:1.75}
.check-list li::before{
  content:"✓";position:absolute;left:0;top:5px;
  width:20px;height:20px;border-radius:6px;
  display:grid;place-items:center;
  background:var(--green-soft);border:1px solid rgba(18,183,106,.28);
  color:var(--green);font-size:12px;font-weight:800;
}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-weight:700;font-size:15.5px;color:var(--ink);
  border-bottom:2px solid var(--brand);padding-bottom:2px;
  transition:color .2s ease,transform .2s ease;
}
.link-arrow:hover{color:var(--brand);transform:translateX(2px)}
.link-arrow i{font-size:13px}

/* ============ 更新要点卡片 ============ */
.update-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.update-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-xl);box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.update-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.update-card img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  background:#E9E7E1;transition:transform .5s ease;
}
.update-card:hover img{transform:scale(1.04)}
.update-body{padding:24px 26px 28px}
.badge{
  display:inline-block;padding:5px 12px;border-radius:var(--radius-pill);
  background:var(--green-soft);color:#0E8F55;
  font-size:12.5px;font-weight:700;
}
.update-body h3{font-size:20px;margin:14px 0 10px}
.update-body p{color:var(--muted);font-size:15.5px;margin:0}
.dot-list{list-style:none;display:grid;gap:10px;margin:16px 0 0}
.dot-list li{position:relative;padding-left:18px;font-size:15px;color:var(--muted)}
.dot-list li::before{
  content:"";position:absolute;left:0;top:11px;
  width:6px;height:6px;border-radius:50%;background:var(--brand);
}
.update-strip{
  position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  margin-top:28px;padding:30px 34px;border-radius:var(--radius-xl);
  background:var(--ink);color:#fff;
}
.update-strip::after{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,90,31,.16) 0 2px,transparent 2px 28px);
}
.update-strip > *{position:relative;z-index:1}
.update-strip h3{color:#fff;font-size:19px;margin-bottom:8px}
.update-strip p{color:rgba(255,255,255,.72);font-size:15px;margin:0;max-width:62ch}
.update-strip .btn{flex:0 0 auto}

/* ============ 步骤条 ============ */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:26px 24px;
  box-shadow:var(--shadow-1);transition:transform .25s ease,box-shadow .25s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(18,22,26,.1)}
.step b{
  display:block;font-family:var(--font-num);font-size:36px;
  line-height:1;color:var(--brand);letter-spacing:.02em;
}
.step h3{font-size:17px;margin:14px 0 8px}
.step p{font-size:14.5px;color:var(--muted);margin:0}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:.85fr 1.55fr;gap:56px;align-items:start}
.faq-item{
  position:relative;overflow:hidden;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-md);margin-bottom:12px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#FFD9C6;box-shadow:0 8px 24px rgba(255,90,31,.1)}
.faq-item[open]::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand);
}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:18px 54px 18px 22px;
  font-size:16.5px;font-weight:700;color:var(--ink);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{
  position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:16px;color:var(--brand);transition:transform .25s ease;
}
.faq-item[open] .faq-icon{transform:translateY(-50%) rotate(45deg)}
.faq-answer{padding:0 22px 20px;font-size:15.5px;color:var(--muted);line-height:1.85}
.faq-aside{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-xl);
  padding:26px;box-shadow:var(--shadow-1);
}
.faq-aside h3{font-size:18px;margin-bottom:12px}
.faq-aside p{font-size:15px;color:var(--muted)}
.faq-aside .btn{margin-top:6px}

/* ============ CTA 带 ============ */
.cta-band{position:relative;overflow:hidden;background:var(--ink);color:#fff}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,90,31,.15) 0 2px,transparent 2px 30px);
}
.cta-band .container{
  position:relative;z-index:1;
  display:flex;align-items:center;justify-content:space-between;gap:44px;
  padding-top:76px;padding-bottom:76px;
}
.cta-band h2{color:#fff;font-size:clamp(24px,2.8vw,32px);margin-bottom:12px}
.cta-band p{color:rgba(255,255,255,.74);font-size:16px;margin:0;max-width:56ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex:0 0 auto}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding-top:72px;font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.35fr}
.footer-col{padding:0 28px;border-left:1px solid rgba(255,255,255,.08)}
.footer-col:first-child{padding-left:0;border-left:0}
.footer-col:last-child{padding-right:0}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:800;margin-bottom:14px}
.footer-brand .logo-mark{width:26px;height:26px;border-radius:8px}
.footer-col p{color:rgba(255,255,255,.66);font-size:14.5px;margin:0;max-width:34ch}
.footer-col h4{color:#fff;font-size:15px;margin:0 0 16px;font-weight:700}
.footer-col ul{list-style:none;display:grid;gap:10px}
.footer-col ul a{color:rgba(255,255,255,.7)}
.footer-col ul a:hover{color:var(--brand)}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;color:rgba(255,255,255,.7)}
.footer-contact i{color:var(--brand);margin-top:5px}
.footer-sub{display:flex;gap:10px;margin-top:18px}
.footer-sub input{
  flex:1;min-width:0;height:44px;padding:0 14px;
  border-radius:var(--radius-md);border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);color:#fff;font-size:14px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.footer-sub input::placeholder{color:rgba(255,255,255,.42)}
.footer-sub input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,90,31,.2)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:56px;padding:22px 0 26px;
  border-top:1px solid rgba(255,255,255,.1);
  font-size:13.5px;color:rgba(255,255,255,.5);
}
.fb-links{display:flex;flex-wrap:wrap;gap:18px}
.fb-links a{color:rgba(255,255,255,.5)}
.fb-links a:hover{color:#fff}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:70;
  width:46px;height:46px;border-radius:50%;
  display:grid;place-items:center;cursor:pointer;
  background:#fff;color:var(--ink);border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease,background .2s ease,color .2s ease;
}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{background:var(--brand);color:#fff;border-color:var(--brand)}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .split{gap:48px}
  .hero-grid{gap:40px}
}
@media (max-width:1024px){
  .dock-menu{display:none}
  .dock-toggle{display:grid}
  .dock-wrap.open .dock-drawer{display:flex}
  .dock-actions{margin-left:auto}
  .hero-grid{grid-template-columns:1fr;gap:38px}
  .split{grid-template-columns:1fr;gap:32px}
  .update-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .cta-band .container{flex-direction:column;align-items:flex-start;gap:28px;padding-top:64px;padding-bottom:64px}
  .footer-grid{grid-template-columns:1fr 1fr;row-gap:40px}
  .footer-col:nth-child(3){border-left:0;padding-left:0}
  .footer-col{padding:0 20px}
  .footer-col:first-child{padding-left:0}
  .footer-col:nth-child(2){padding-right:0}
  .footer-col:nth-child(4){padding-right:0}
  .section{padding:76px 0}
}
@media (max-width:720px){
  body{font-size:16px}
  .dock-wrap{top:12px;left:14px;right:14px}
  .dock{padding:8px 10px 8px 14px;gap:10px}
  .dock-logo{font-size:16px}
  .page-hero{padding:120px 0 62px}
  .page-hero h1{font-size:32px}
  .hero-lead{font-size:16px;margin-bottom:26px}
  .section{padding:60px 0}
  .section-head{margin-bottom:30px}
  .update-strip{flex-direction:column;align-items:flex-start;gap:20px;padding:26px 24px}
  .faq-item summary{font-size:15.5px;padding:16px 48px 16px 18px}
  .footer-grid{grid-template-columns:1fr}
  .footer-col{border-left:0;padding:0;margin-top:0}
  .footer-col + .footer-col{border-top:1px solid rgba(255,255,255,.08);padding-top:24px}
  .footer-col:first-child{border-top:0}
  .footer-bottom{margin-top:36px}
  .to-top{right:16px;bottom:16px}
}
@media (max-width:520px){
  .dock-search{display:none}
  .hero-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
  .footer-sub{flex-direction:column}
  .footer-sub .btn{width:100%}
  .update-body{padding:20px 20px 24px}
}