/* roulang page: index */
:root{
  --c-primary:#6C4CF1;
  --c-primary-deep:#4B32C4;
  --c-violet:#B44CF0;
  --c-accent:#12C8B0;
  --c-amber:#FFB547;
  --c-deep:#140E33;
  --c-ink:#1C1240;
  --c-ink-2:#4A4270;
  --c-muted:#7C7699;
  --c-bg:#F7F6FB;
  --c-card:#FFFFFF;
  --c-line:#E9E6F5;
  --c-line-2:#E4E0F2;
  --c-lilac:#F3F0FE;
  --c-lilac-2:#F0ECFE;
  --grad-brand:linear-gradient(120deg,#6C4CF1 0%,#B44CF0 52%,#FF8A5C 100%);
  --grad-ink:linear-gradient(120deg,#6C4CF1 0%,#B44CF0 70%);
  --r-card:24px;
  --r-card-sm:18px;
  --r-img:20px;
  --r-input:14px;
  --sh-card:0 8px 30px rgba(28,16,84,.08);
  --sh-card-hover:0 18px 48px rgba(28,16,84,.16);
  --sh-pop:0 20px 60px rgba(28,16,84,.18);
  --space-1:8px;
  --space-2:12px;
  --space-3:16px;
  --space-4:24px;
  --space-5:32px;
  --space-6:48px;
  --space-7:64px;
  --space-8:96px;
  --nav-w:248px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;padding:0;}
ul,ol{list-style:none;}
a{color:inherit;text-decoration:none;transition:color .16s var(--ease),opacity .16s var(--ease);}
img{max-width:100%;display:block;}
button,input,textarea,select{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;border-radius:6px;}
::selection{background:rgba(108,76,241,.18);}

/* ---------- 布局骨架 ---------- */
.shell{display:flex;min-height:100vh;}
.content{
  flex:1 1 auto;
  min-width:0;
  margin-left:var(--nav-w);
  display:flex;
  flex-direction:column;
  position:relative;
  overflow:hidden;
}
.noise{
  position:fixed;inset:0;pointer-events:none;z-index:1;opacity:.035;
  background-image:radial-gradient(rgba(28,16,84,.9) 1px,transparent 1px);
  background-size:4px 4px;
}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 40px;}

/* ---------- 左侧导航 ---------- */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);
  background:#fff;border-right:1px solid var(--c-line);
  display:flex;flex-direction:column;z-index:50;
}
.brand{
  height:88px;display:flex;align-items:center;gap:10px;
  padding:0 22px;border-bottom:1px solid var(--c-line);flex:0 0 auto;
}
.brand-mark{width:38px;height:38px;flex:0 0 38px;}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.2px;line-height:1.2;}
.brand-text em{font-style:normal;display:block;font-size:11px;font-weight:600;color:var(--c-muted);letter-spacing:.06em;}
.nav{flex:1 1 auto;overflow-y:auto;padding:18px 14px;display:flex;flex-direction:column;gap:6px;}
.nav-label{
  font-size:11px;font-weight:600;color:var(--c-muted);letter-spacing:.1em;
  padding:8px 10px 4px;
}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;
  height:46px;padding:0 12px;border-radius:12px;
  font-size:14.5px;font-weight:600;color:var(--c-ink-2);
  transition:background .16s var(--ease),color .16s var(--ease),transform .16s var(--ease);
}
.nav-item svg{width:20px;height:20px;flex:0 0 20px;stroke:currentColor;fill:none;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;}
.nav-item:hover{background:#F6F4FE;color:var(--c-primary);transform:translateX(2px);}
.nav-item.is-active{background:var(--c-lilac-2);color:var(--c-primary);}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:11px;bottom:11px;width:3px;border-radius:3px;background:var(--grad-brand);
}
.sidebar-foot{flex:0 0 auto;padding:16px 18px 22px;border-top:1px solid var(--c-line);}
.contact-line{
  display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--c-muted);margin-top:12px;
}
.contact-line svg{width:16px;height:16px;stroke:var(--c-primary);fill:none;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;}

/* ---------- 移动端导航 ---------- */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:64px;z-index:60;
  background:rgba(255,255,255,.96);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);align-items:center;justify-content:space-between;padding:0 16px;
}
.topbar .brand{padding:0;border:0;height:auto;}
.hamburger{
  width:44px;height:44px;display:flex;align-items:center;justify-content:center;
  border-radius:12px;border:1px solid var(--c-line);background:#fff;
}
.hamburger svg{width:22px;height:22px;stroke:var(--c-ink);fill:none;stroke-width:1.9;stroke-linecap:round;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,14,51,.5);opacity:0;visibility:hidden;
  transition:opacity .22s var(--ease),visibility .22s var(--ease);z-index:70;
}
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:280px;background:#fff;z-index:80;
  transform:translateX(-102%);transition:transform .26s var(--ease);
  display:flex;flex-direction:column;box-shadow:var(--sh-pop);
}
.drawer.open{transform:translateX(0);}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px;border-bottom:1px solid var(--c-line);}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);display:flex;align-items:center;justify-content:center;}
.drawer-close svg{width:20px;height:20px;stroke:var(--c-ink);fill:none;stroke-width:1.9;stroke-linecap:round;}
.drawer-nav{padding:14px;display:flex;flex-direction:column;gap:6px;overflow-y:auto;}
.drawer-foot{padding:16px 18px 24px;border-top:1px solid var(--c-line);font-size:13px;color:var(--c-muted);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:600;font-size:15px;line-height:1;
  padding:14px 30px;transition:all .16s var(--ease);white-space:nowrap;
}
.btn svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;}
.btn-primary{
  color:#fff;background-image:var(--grad-brand);background-size:200% 100%;background-position:0 0;
  box-shadow:0 10px 24px rgba(108,76,241,.28);
}
.btn-primary:hover{background-position:100% 0;box-shadow:0 14px 32px rgba(108,76,241,.36);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(108,76,241,.3);}
.btn-ghost{
  color:var(--c-primary);border:1.5px solid var(--c-primary);background:#fff;
}
.btn-ghost:hover{background:var(--c-lilac);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-dark{color:#fff;border:1.5px solid rgba(255,255,255,.42);background:transparent;}
.btn-dark:hover{background:rgba(255,255,255,.12);border-color:#fff;}
.btn-block{width:100%;}
.btn:disabled{background:#E6E3F0;color:#9C97B4;box-shadow:none;cursor:not-allowed;transform:none;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--c-primary);
  position:relative;
}
.text-link::after{
  content:"";position:absolute;left:0;right:22px;bottom:-4px;height:2px;border-radius:2px;
  background:var(--grad-brand);transform:scaleX(.42);transform-origin:left;transition:transform .2s var(--ease);
}
.text-link:hover::after{transform:scaleX(1);}
.text-link svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s var(--ease);}
.text-link:hover svg{transform:translateX(3px);}

/* ---------- 通用区块 ---------- */
.section{padding:var(--space-8) 0;position:relative;}
.section-alt{background:#fff;}
.sec-head{margin-bottom:var(--space-6);max-width:800px;}
.sec-title{
  position:relative;font-size:clamp(24px,2.6vw,36px);font-weight:800;line-height:1.32;
  padding-left:18px;letter-spacing:-.3px;
}
.sec-title::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:5px;border-radius:4px;background:var(--grad-brand);
}
.sec-sub{margin-top:14px;font-size:16px;color:var(--c-ink-2);max-width:720px;padding-left:18px;}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.04em;color:var(--c-primary);background:var(--c-lilac);
}
.tag-accent{color:#0B7F72;background:rgba(18,200,176,.12);}
.divider{height:1px;background:var(--c-line);border:0;}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;padding:76px 0 88px;overflow:hidden;
  background:
    radial-gradient(780px 420px at 88% -8%,rgba(180,76,240,.16),transparent 62%),
    radial-gradient(620px 380px at 4% 12%,rgba(18,200,176,.12),transparent 60%),
    var(--c-bg);
}
.hero::after{
  content:"";position:absolute;right:-60px;top:40px;width:300px;height:300px;border-radius:50%;
  border:1px solid rgba(108,76,241,.18);pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:center;position:relative;z-index:2;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;
  background:rgba(255,255,255,.86);border:1px solid var(--c-line-2);
  font-size:12.5px;font-weight:600;color:var(--c-primary);letter-spacing:.03em;
  box-shadow:0 4px 16px rgba(28,16,84,.06);
}
.hero-eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--c-accent);box-shadow:0 0 0 4px rgba(18,200,176,.16);}
h1.hero-title{
  margin-top:22px;font-size:clamp(30px,3.6vw,50px);font-weight:800;line-height:1.22;letter-spacing:-.8px;
}
h1.hero-title span{
  background:var(--grad-ink);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.8;color:var(--c-ink-2);max-width:560px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px;}
.hero-badges{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:38px;}
.badge-stat{
  background:rgba(255,255,255,.9);border:1px solid transparent;border-radius:16px;
  background-image:linear-gradient(#fff,#fff),var(--grad-brand);
  background-origin:border-box;background-clip:padding-box,border-box;
  padding:14px 14px 12px;box-shadow:0 6px 20px rgba(28,16,84,.06);
}
.badge-stat strong{
  display:block;font-size:clamp(19px,2vw,26px);font-weight:800;line-height:1.15;
  font-variant-numeric:tabular-nums;background:var(--grad-ink);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.badge-stat span{display:block;margin-top:4px;font-size:12px;font-weight:600;color:var(--c-muted);}
.hero-visual{position:relative;}
.hero-visual .frame{
  position:relative;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-pop);
  aspect-ratio:1/1.05;
}
.hero-visual img{width:100%;height:100%;object-fit:cover;}
.hero-visual .frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(108,76,241,.34) 0%,rgba(20,14,51,.18) 55%,rgba(20,14,51,.42) 100%);
}
.hero-float{
  position:absolute;left:-22px;bottom:34px;background:rgba(255,255,255,.94);
  border:1px solid var(--c-line);border-radius:16px;padding:12px 18px;box-shadow:var(--sh-card);
  display:flex;align-items:center;gap:10px;font-size:13px;font-weight:600;color:var(--c-ink);
}
.hero-float svg{width:20px;height:20px;stroke:var(--c-primary);fill:none;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;}

/* ---------- 功能分组 ---------- */
.feat-large{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.feat-card{
  display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:0;
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-card);transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.feat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-card-hover);}
.feat-card.reverse{grid-template-columns:1fr 1fr;}
.feat-card.reverse .feat-media{order:2;}
.feat-media{height:100%;min-height:250px;overflow:hidden;}
.feat-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.feat-card:hover .feat-media img{transform:scale(1.04);}
.feat-body{padding:30px 28px;}
.feat-body h3{font-size:21px;font-weight:800;line-height:1.4;letter-spacing:-.2px;}
.feat-body p{margin-top:12px;font-size:14.5px;color:var(--c-ink-2);}
.feat-list{margin-top:16px;display:flex;flex-direction:column;gap:8px;}
.feat-list li{display:flex;align-items:flex-start;gap:8px;font-size:14px;color:var(--c-ink-2);}
.feat-list li::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--grad-brand);
  margin-top:9px;flex:0 0 6px;
}
.feat-small{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:24px;}
.mini-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card-sm);
  padding:26px 24px;box-shadow:var(--sh-card);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--sh-card-hover);border-color:#DCD5F7;}
.mini-icon{
  width:48px;height:48px;border-radius:14px;background:var(--c-lilac);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.mini-icon svg{width:24px;height:24px;stroke:var(--c-primary);fill:none;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;}
.mini-card h3{font-size:18px;font-weight:700;}
.mini-card p{margin-top:8px;font-size:14px;color:var(--c-ink-2);}

/* ---------- 使用场景 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.scene-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-card);display:flex;flex-direction:column;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-card-hover);}
.scene-media{aspect-ratio:16/9;overflow:hidden;}
.scene-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.scene-card:hover .scene-media img{transform:scale(1.03);}
.scene-body{padding:24px 26px 26px;}
.scene-body h3{font-size:19px;font-weight:700;}
.scene-body p{margin-top:8px;font-size:14.5px;color:var(--c-ink-2);}
.scene-body .text-link{margin-top:14px;}

/* ---------- 成功案例 ---------- */
.case-scroll{
  display:flex;gap:22px;overflow-x:auto;padding:6px 4px 22px;scroll-snap-type:x mandatory;
  scrollbar-width:thin;
}
.case-scroll::-webkit-scrollbar{height:6px;}
.case-scroll::-webkit-scrollbar-thumb{background:#D9D3F2;border-radius:6px;}
.case-card{
  flex:0 0 31%;
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-card);scroll-snap-align:start;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--sh-card-hover);}
.case-media{aspect-ratio:16/10;overflow:hidden;}
.case-media img{width:100%;height:100%;object-fit:cover;}
.case-body{padding:22px 24px 24px;}
.case-body .tag{margin-bottom:12px;}
.case-body p{font-size:14.5px;color:var(--c-ink-2);}
.case-result{
  display:flex;align-items:baseline;gap:8px;margin-top:16px;
}
.case-result strong{
  font-size:24px;font-weight:800;font-variant-numeric:tabular-nums;
  background:var(--grad-ink);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.case-result span{font-size:13px;color:var(--c-muted);font-weight:600;}

/* ---------- 价格 ---------- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;}
.price-card{
  position:relative;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:34px 28px;box-shadow:var(--sh-card);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.price-card:hover{transform:translateY(-4px);box-shadow:var(--sh-card-hover);}
.price-card.featured{
  transform:translateY(-16px);
  border:1.5px solid transparent;
  background-image:linear-gradient(#fff,#fff),var(--grad-brand);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 22px 58px rgba(108,76,241,.2);
}
.price-card.featured:hover{transform:translateY(-20px);}
.price-flag{
  position:absolute;top:-13px;left:28px;height:26px;padding:0 14px;border-radius:999px;
  background:var(--grad-brand);color:#fff;font-size:12px;font-weight:600;display:flex;align-items:center;
  letter-spacing:.04em;box-shadow:0 8px 18px rgba(108,76,241,.3);
}
.price-name{font-size:17px;font-weight:700;}
.price-desc{margin-top:6px;font-size:13.5px;color:var(--c-muted);}
.price-amount{display:flex;align-items:baseline;gap:6px;margin-top:20px;}
.price-amount strong{
  font-size:38px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1;
  background:var(--grad-ink);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.price-amount span{font-size:13.5px;color:var(--c-muted);}
.price-list{margin:24px 0 28px;display:flex;flex-direction:column;gap:11px;}
.price-list li{display:flex;align-items:flex-start;gap:9px;font-size:14.5px;color:var(--c-ink-2);}
.price-list svg{width:17px;height:17px;flex:0 0 17px;margin-top:5px;stroke:var(--c-accent);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.price-note{margin-top:14px;font-size:12.5px;color:var(--c-muted);text-align:center;}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;background:var(--c-card);border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-card-hover);}
.news-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--c-lilac);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1 1 auto;}
.news-body h3{
  margin-top:12px;font-size:17px;font-weight:700;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  margin-top:10px;font-size:14px;color:var(--c-ink-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:18px;font-size:13px;color:var(--c-muted);
}
.news-meta .more{font-weight:600;color:var(--c-primary);}
.news-empty{
  grid-column:1/-1;background:var(--c-card);border:1px dashed var(--c-line-2);border-radius:var(--r-card);
  padding:60px 24px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:14px;
}
.news-empty svg{width:56px;height:56px;stroke:#C6BFE6;fill:none;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round;}
.news-empty p{font-size:15px;color:var(--c-muted);}
.news-count{font-size:13.5px;color:var(--c-muted);font-weight:600;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto;}
.faq-item{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:16px;
  margin-bottom:12px;overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item[open]{background:#fff;border-color:#DCD5F7;box-shadow:var(--sh-card);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:17px;font-weight:600;line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{
  position:relative;width:24px;height:24px;flex:0 0 24px;border-radius:50%;
  background:var(--c-lilac);transition:background .2s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-primary);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:11px;height:1.8px;}
.faq-icon::after{width:1.8px;height:11px;transition:transform .24s var(--ease);}
.faq-item[open] .faq-icon{background:var(--c-lilac-2);}
.faq-item[open] .faq-icon::after{transform:translate(-50%,-50%) scaleY(0);}
.faq-answer{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--c-ink-2);}
.faq-answer{animation:fadeSlide .24s var(--ease);}
@keyframes fadeSlide{from{opacity:0;transform:translateY(-6px);}to{opacity:1;transform:translateY(0);}}

/* ---------- CTA 深色带 ---------- */
.cta-band{
  background:var(--c-deep);color:#fff;padding:88px 0;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(560px 300px at 82% 8%,rgba(180,76,240,.34),transparent 62%),
    radial-gradient(480px 280px at 10% 90%,rgba(18,200,176,.22),transparent 60%);
}
.cta-inner{position:relative;z-index:2;max-width:760px;}
.cta-inner h2{font-size:clamp(24px,2.8vw,38px);font-weight:800;line-height:1.3;letter-spacing:-.4px;}
.cta-inner p{margin-top:16px;font-size:16px;color:rgba(255,255,255,.76);max-width:620px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px;}
.cta-chips{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 16px;border-radius:999px;
  font-size:13px;font-weight:600;color:#fff;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);
}
.chip svg{width:15px;height:15px;stroke:var(--c-amber);fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;}

/* ---------- 页脚 ---------- */
.footer{background:var(--c-deep);color:rgba(255,255,255,.72);padding:64px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer .brand-text{color:#fff;}
.footer .brand-text em{color:rgba(255,255,255,.55);}
.footer-about{margin-top:18px;font-size:14px;line-height:1.8;max-width:320px;color:rgba(255,255,255,.62);}
.footer h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-links a:hover{color:#fff;}
.footer-contact{display:flex;flex-direction:column;gap:12px;font-size:14px;}
.footer-contact li{display:flex;align-items:flex-start;gap:9px;color:rgba(255,255,255,.72);}
.footer-contact svg{width:17px;height:17px;flex:0 0 17px;margin-top:4px;stroke:var(--c-accent);fill:none;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.62);}
.footer-bottom a:hover{color:#fff;}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.reveal.in{opacity:1;transform:translateY(0);}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  :root{--nav-w:216px;}
  .container{padding:0 32px;}
  .section{padding:72px 0;}
  .hero{padding:64px 0 72px;}
  .hero-grid{gap:40px;}
  .feat-body{padding:26px 22px;}
  .case-card{flex:0 0 34%;}
}
@media (max-width:1023px){
  .sidebar{display:none;}
  .topbar{display:flex;}
  .content{margin-left:0;padding-top:64px;}
  .container{padding:0 24px;}
  .section{padding:64px 0;}
  .hero{padding:56px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-visual .frame{aspect-ratio:16/11;}
  .hero-badges{grid-template-columns:repeat(2,1fr);}
  .feat-large{grid-template-columns:1fr;}
  .feat-card{grid-template-columns:1fr;}
  .feat-card.reverse .feat-media{order:0;}
  .feat-media{min-height:220px;aspect-ratio:16/9;}
  .feat-small{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .price-grid{grid-template-columns:1fr;max-width:520px;margin:0 auto;}
  .price-card.featured{transform:none;}
  .price-card.featured:hover{transform:translateY(-4px);}
  .case-card{flex:0 0 46%;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .hero{padding:44px 0 56px;}
  h1.hero-title{font-size:clamp(26px,7.4vw,36px);letter-spacing:-.4px;}
  .hero-sub{font-size:15.5px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .hero-float{left:12px;bottom:16px;font-size:12px;padding:10px 14px;}
  .sec-title{padding-left:14px;font-size:24px;}
  .sec-title::before{width:4px;}
  .sec-sub{padding-left:14px;font-size:15px;}
  .scene-grid{grid-template-columns:1fr;}
  .feat-small{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .case-scroll{gap:16px;scroll-snap-type:x mandatory;}
  .case-card{flex:0 0 84%;}
  .price-card{padding:28px 22px;}
  .faq-item summary{padding:16px 18px;font-size:16px;}
  .faq-answer{padding:0 18px 18px;font-size:14.5px;}
  .cta-band{padding:60px 0;}
  .cta-actions .btn{width:100%;}
  .footer{padding:52px 0 22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .hero-badges{grid-template-columns:repeat(2,1fr);gap:10px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --c-primary:#6C4CF1;
  --c-primary-soft:#F0ECFE;
  --c-primary-soft-2:#F3F0FE;
  --c-accent:#12C8B0;
  --c-amber:#FFB547;
  --c-deep:#140E33;
  --c-bg:#F7F6FB;
  --c-card:#FFFFFF;
  --c-line:#E9E6F5;
  --c-line-2:#E4E0F2;
  --c-ink:#1B1636;
  --c-ink-2:#5B5678;
  --c-ink-3:#8A85A6;
  --grad:linear-gradient(120deg,#6C4CF1 0%,#B44CF0 52%,#FF8A5C 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-card:0 8px 30px rgba(28,16,84,.08);
  --sh-hover:0 18px 48px rgba(28,16,84,.16);
  --sp-1:8px; --sp-2:16px; --sp-3:24px; --sp-4:32px; --sp-5:48px; --sp-6:72px;
  --t:160ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--c-bg);
  color:var(--c-ink);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}

/* ============ 左侧导航 ============ */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:248px;
  background:var(--c-card);border-right:1px solid var(--c-line);
  display:flex;flex-direction:column;z-index:70;
}
.brand{
  display:flex;align-items:center;gap:10px;height:88px;padding:0 22px;
  border-bottom:1px solid var(--c-line);flex:0 0 auto;
}
.brand-mark{width:34px;height:34px;flex:0 0 auto}
.brand-text{font-size:17px;font-weight:800;color:var(--c-ink)}
.brand-text em{
  font-style:normal;font-weight:600;font-size:12px;color:var(--c-primary);
  margin-left:6px;padding:2px 7px;border-radius:var(--r-pill);background:var(--c-primary-soft);
}
.nav-scroll{flex:1 1 auto;overflow-y:auto;padding:18px 14px 12px}
.nav-label{display:block;font-size:12px;font-weight:600;color:var(--c-ink-3);letter-spacing:.08em;margin:2px 10px 10px}
.nav{display:flex;flex-direction:column;gap:4px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;
  min-height:46px;padding:0 12px;border-radius:12px;
  font-size:15px;font-weight:500;color:var(--c-ink-2);
  transition:background var(--t),color var(--t),transform var(--t);
}
.nav-item svg{width:20px;height:20px;flex:0 0 auto;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}
.nav-item:hover{background:#F5F3FE;color:var(--c-ink)}
.nav-item:active{transform:translateY(1px)}
.nav-item.is-active{background:var(--c-primary-soft);color:var(--c-primary);font-weight:600}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:3px;background:var(--grad);
}
.sidebar-foot{flex:0 0 auto;padding:16px 18px 22px;border-top:1px solid var(--c-line)}
.sidebar-foot .btn{width:100%;justify-content:center}
.sidebar-contact{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.sidebar-contact li{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-2)}
.sidebar-contact svg{width:16px;height:16px;flex:0 0 auto;fill:none;stroke:var(--c-primary);stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 28px;border-radius:var(--r-pill);border:0;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background-position var(--t),color var(--t),box-shadow var(--t),transform var(--t),border-color var(--t);
}
.btn-primary{
  color:#fff;background-image:var(--grad);background-size:200% 100%;background-position:0 0;
  box-shadow:0 10px 26px rgba(108,76,241,.28);
}
.btn-primary:hover{background-position:100% 0;box-shadow:0 14px 32px rgba(108,76,241,.34)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{
  color:var(--c-primary);background:transparent;border:1.5px solid var(--c-primary);
}
.btn-ghost:hover{background:var(--c-primary-soft)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn[disabled]{background:#E7E5F0;color:#A9A5BE;box-shadow:none;cursor:not-allowed}

/* ============ 主区域 ============ */
.main{margin-left:248px;min-height:100vh;display:flex;flex-direction:column}
.topbar{
  display:none;position:sticky;top:0;z-index:50;height:64px;
  align-items:center;justify-content:space-between;
  padding:0 16px;background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--c-line);backdrop-filter:blur(8px);
}
.topbar .brand{height:auto;padding:0;border:0}
.topbar .brand-mark{width:28px;height:28px}
.topbar .brand-text{font-size:16px}
.icon-btn{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;border:1px solid var(--c-line);background:#fff;color:var(--c-ink);
  cursor:pointer;transition:background var(--t),border-color var(--t);
}
.icon-btn:hover{background:var(--c-primary-soft);border-color:#D9D2FA}
.icon-btn svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}

.content{width:100%;max-width:1180px;margin:0 auto;padding:40px 40px 0;flex:1 1 auto}

/* ============ 面包屑 ============ */
.breadcrumb{margin-bottom:22px}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-3)}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"›";color:#C3BFD8}
.breadcrumb a{color:var(--c-ink-2);transition:color var(--t)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb [aria-current="page"]{color:var(--c-ink-3);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ============ 文章头部 ============ */
.eyebrow{
  display:inline-block;padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.04em;color:var(--c-primary);
  background:var(--c-primary-soft);border:1px solid #E3DBFD;margin-bottom:16px;
}
.article-title{
  font-size:clamp(28px,3.4vw,42px);font-weight:800;line-height:1.32;
  letter-spacing:0;color:var(--c-ink);margin-bottom:18px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;font-size:13px;color:var(--c-ink-3);margin-bottom:26px}
.meta-row .meta-item{display:inline-flex;align-items:center;gap:6px}
.meta-row i{color:var(--c-primary);font-size:13px}
.meta-divider{width:1px;height:13px;background:var(--c-line-2)}
.cover{
  margin:0 0 34px;border-radius:var(--r-lg);overflow:hidden;position:relative;
  aspect-ratio:16/7;background:var(--c-deep);
}
.cover img{width:100%;height:100%;object-fit:cover}
.cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(108,76,241,.34),rgba(20,14,51,.12));
}

/* ============ 布局：正文 + 侧栏 ============ */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:44px;align-items:start}
.article-main{min-width:0}
.article-aside{position:sticky;top:28px;display:flex;flex-direction:column;gap:18px}
.aside-card{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-md);padding:20px;box-shadow:var(--sh-card)}
.aside-title{font-size:14px;font-weight:700;color:var(--c-ink);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.aside-title::before{content:"";width:4px;height:14px;border-radius:3px;background:var(--grad)}
.toc{display:flex;flex-direction:column;gap:2px;border-left:1px solid var(--c-line)}
.toc a{
  display:block;padding:7px 12px;font-size:13.5px;color:var(--c-ink-2);
  border-left:2px solid transparent;margin-left:-1px;line-height:1.5;
  transition:color var(--t),border-color var(--t),background var(--t);
}
.toc a:hover{color:var(--c-primary);background:#FAF9FF}
.toc a.is-current{color:var(--c-primary);border-left-color:var(--c-primary);font-weight:600}
.toc .lv3{padding-left:24px;font-size:13px}
.rank-list{display:flex;flex-direction:column;gap:12px}
.rank-list a{display:flex;gap:10px;font-size:14px;color:var(--c-ink-2);line-height:1.55;transition:color var(--t)}
.rank-list a:hover{color:var(--c-primary)}
.rank-no{
  flex:0 0 auto;width:20px;height:20px;border-radius:6px;margin-top:2px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;color:#fff;background-image:var(--grad);
}
.rank-no.plain{background:#E7E4F5;color:var(--c-ink-2)}

/* ============ 正文排版 ============ */
.article-body{font-size:16px;line-height:1.9;color:#2B2647}
.article-body p{margin:18px 0}
.article-body h2{
  position:relative;font-size:clamp(21px,2.2vw,27px);font-weight:800;line-height:1.45;
  margin:42px 0 16px;padding-left:16px;color:var(--c-ink);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:5px;border-radius:4px;background:var(--grad);
}
.article-body h3{font-size:19px;font-weight:700;margin:28px 0 10px;color:var(--c-ink)}
.article-body h4{font-size:16px;font-weight:700;margin:22px 0 8px;color:var(--c-ink)}
.article-body ul,.article-body ol{margin:16px 0;padding-left:1.4em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:8px 0}
.article-body li::marker{color:var(--c-primary);font-weight:600}
.article-body strong{font-weight:700;color:var(--c-ink)}
.article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.article-body a:hover{color:#4B2FD6}
.article-body blockquote{
  position:relative;margin:24px 0;padding:18px 22px;
  background:var(--c-primary-soft-2);border-radius:0 14px 14px 0;color:#3A3460;overflow:hidden;
}
.article-body blockquote::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad)}
.article-body blockquote p{margin:0}
.article-body img{border-radius:16px;margin:24px auto}
.article-body figure{margin:26px 0}
.article-body figure img{margin:0 auto}
.article-body figcaption{font-size:13px;color:var(--c-ink-3);text-align:center;margin-top:10px}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:14.5px;
  border:1px solid var(--c-line);border-radius:12px;overflow:hidden;
}
.article-body thead th{background:var(--c-primary-soft-2);font-weight:700;color:var(--c-ink)}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--c-line);text-align:left}
.article-body tbody tr:nth-child(even){background:#FBFAFF}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body hr{border:0;height:1px;background:var(--c-line);margin:34px 0}

/* ============ 空态 ============ */
.empty-state{
  text-align:center;padding:64px 24px;background:var(--c-card);
  border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-card);
}
.empty-state svg{width:76px;height:76px;margin:0 auto 20px;fill:none;stroke:#C9C3E6;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.empty-state h2{font-size:21px;font-weight:800;margin-bottom:10px}
.empty-state p{font-size:15px;color:var(--c-ink-2);max-width:520px;margin:0 auto 22px;line-height:1.8}

/* ============ 标签 / 翻页 ============ */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:38px 0 0;padding-top:26px;border-top:1px solid var(--c-line)}
.tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;color:var(--c-primary);
  background:var(--c-primary-soft);border:1px solid #E3DBFD;transition:background var(--t),color var(--t);
}
.tag:hover{background:#E6DFFD}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:26px}
.post-nav a{
  display:block;padding:18px 20px;background:var(--c-card);border:1px solid var(--c-line);
  border-radius:var(--r-md);box-shadow:var(--sh-card);
  transition:box-shadow var(--t),transform var(--t),border-color var(--t);
}
.post-nav a:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:#DDD5FB}
.post-nav .pn-label{display:block;font-size:12px;font-weight:600;color:var(--c-ink-3);letter-spacing:.04em;margin-bottom:6px}
.post-nav .pn-title{display:block;font-size:15px;font-weight:600;color:var(--c-ink);line-height:1.6}
.post-nav .pn-next{text-align:right}

/* ============ 相关推荐 ============ */
.related{margin-top:var(--sp-6)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:26px}
.sec-head h2{font-size:clamp(22px,2.2vw,28px);font-weight:800;position:relative;padding-left:16px}
.sec-head h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:5px;border-radius:4px;background:var(--grad)}
.sec-head a{font-size:14px;font-weight:600;color:var(--c-primary);border-bottom:2px solid transparent;transition:border-color var(--t)}
.sec-head a:hover{border-bottom-color:var(--c-primary)}
.rec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rec-card{
  display:flex;flex-direction:column;background:var(--c-card);border:1px solid var(--c-line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-card);
  transition:box-shadow var(--t),transform var(--t);
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.rec-card .thumb{aspect-ratio:16/10;overflow:hidden;background:#EDEAF8}
.rec-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 300ms ease-out}
.rec-card:hover .thumb img{transform:scale(1.04)}
.rec-card .body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.rec-card h3{font-size:16px;font-weight:700;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-card p{font-size:13.5px;color:var(--c-ink-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--c-ink-3)}
.pill{display:inline-flex;align-items:center;padding:3px 10px;border-radius:var(--r-pill);font-size:12px;font-weight:600;letter-spacing:.04em;background:var(--c-primary-soft);color:var(--c-primary)}

/* ============ CTA 带 ============ */
.cta-band{
  margin-top:var(--sp-6);background:var(--c-deep);color:#fff;
  padding:64px 40px;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(680px 320px at 82% 12%,rgba(108,76,241,.42),transparent 68%),
             radial-gradient(520px 260px at 8% 96%,rgba(18,200,176,.20),transparent 70%);
}
.cta-inner{position:relative;max-width:1180px;margin:0 auto;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px}
.cta-band h2{font-size:clamp(24px,2.6vw,34px);font-weight:800;line-height:1.4;margin-bottom:12px;max-width:620px}
.cta-band p{font-size:15px;line-height:1.85;color:rgba(255,255,255,.76);max-width:600px}
.cta-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.cta-badges span{
  display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:var(--r-pill);
  font-size:13px;color:rgba(255,255,255,.88);
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);
}
.cta-badges i{color:var(--c-amber)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.btn-outline-light{
  color:#fff;background:transparent;border:1.5px solid rgba(255,255,255,.5);
}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.1)}

/* ============ 页脚 ============ */
.footer{background:var(--c-deep);color:#fff;padding:64px 0 0;margin-top:0}
.footer .container{max-width:1180px;margin:0 auto;padding:0 40px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:36px;padding-bottom:44px}
.footer .brand-text{color:#fff}
.footer .brand-text em{background:rgba(255,255,255,.12);color:#CFC6FF}
.footer-about{font-size:14px;line-height:1.85;color:rgba(255,255,255,.68);margin-top:16px;max-width:340px}
.footer h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);transition:color var(--t)}
.footer-links a:hover{color:#fff}
.footer-contact{display:flex;flex-direction:column;gap:12px}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:rgba(255,255,255,.72);line-height:1.7}
.footer-contact svg{width:18px;height:18px;flex:0 0 auto;margin-top:3px;fill:none;stroke:#B9A9FF;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.7)}
.footer-bottom a:hover{color:#fff}

/* ============ 抽屉遮罩 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,14,51,.5);z-index:65;
  opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);
}
.drawer-mask.is-open{opacity:1;visibility:visible}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(12px)}
.reveal.is-in{opacity:1;transform:none;transition:opacity 300ms ease-out,transform 300ms ease-out}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.01ms !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ============ 断点 ============ */
@media (max-width:1279px){
  .sidebar{width:216px}
  .main{margin-left:216px}
  .content{padding:36px 32px 0}
  .article-layout{grid-template-columns:minmax(0,1fr) 262px;gap:32px}
  .footer .container{padding:0 32px}
}
@media (max-width:1023px){
  .sidebar{width:280px;transform:translateX(-100%);transition:transform 240ms ease-out;box-shadow:var(--sh-hover)}
  .sidebar.is-open{transform:none}
  .main{margin-left:0}
  .topbar{display:flex}
  .content{padding:28px 22px 0}
  .article-layout{grid-template-columns:1fr;gap:0}
  .article-aside{position:static;margin-top:34px;display:grid;grid-template-columns:1fr 1fr;gap:16px}
  .cover{aspect-ratio:16/9}
  .rec-grid{grid-template-columns:repeat(2,1fr)}
  .cta-band{padding:52px 22px}
  .footer .container{padding:0 22px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .content{padding:22px 16px 0}
  .article-title{font-size:clamp(24px,6vw,30px)}
  .article-body{font-size:15.5px;line-height:1.85}
  .article-aside{grid-template-columns:1fr}
  .rec-grid{grid-template-columns:1fr}
  .post-nav{grid-template-columns:1fr}
  .post-nav .pn-next{text-align:left}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-about{max-width:none}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cta-band{padding:44px 18px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto;justify-content:center;min-height:44px}
  .breadcrumb [aria-current="page"]{max-width:170px}
  .article-body table{font-size:13.5px}
  .article-body th,.article-body td{padding:10px}
}
@media (max-width:520px){
  .content{padding:18px 14px 0}
  .meta-row{gap:8px 12px;font-size:12.5px}
  .cover{border-radius:18px}
  .empty-state{padding:44px 18px}
}

/* roulang page: category1 */
:root{
  --c-primary:#6C4CF1;
  --c-primary-2:#B44CF0;
  --c-accent:#12C8B0;
  --c-gold:#FFB547;
  --c-deep:#140E33;
  --c-bg:#F7F6FB;
  --c-card:#FFFFFF;
  --c-line:#E9E6F5;
  --c-soft:#F0ECFE;
  --c-soft-2:#F3F0FE;
  --c-ink:#1C1054;
  --c-ink-2:#5A5478;
  --c-ink-3:#8B86A8;
  --grad:linear-gradient(120deg,#6C4CF1 0%,#B44CF0 52%,#FF8A5C 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-img:20px;
  --r-sm:14px;
  --sh-card:0 8px 30px rgba(28,16,84,.08);
  --sh-hover:0 18px 48px rgba(28,16,84,.16);
  --sidebar-w:248px;
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.28}
p{margin:0}
svg{display:block}
:focus-visible{outline:3px solid rgba(108,76,241,.4);outline-offset:2px;border-radius:6px}

/* ============ 布局骨架 ============ */
.shell{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column}
.main{flex:1 0 auto;padding:0 0 var(--sec)}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 40px}

/* ============ 侧栏导航 ============ */
.sidebar{
  position:fixed;top:0;left:0;width:var(--sidebar-w);height:100vh;
  background:var(--c-card);border-right:1px solid var(--c-line);
  display:flex;flex-direction:column;z-index:60;
}
.brand{display:flex;align-items:center;gap:11px;height:88px;padding:0 20px;border-bottom:1px solid var(--c-line);flex:none}
.brand-mark{width:34px;height:34px;flex:none}
.brand-text{font-size:17.5px;font-weight:800;letter-spacing:0;color:var(--c-ink);display:flex;align-items:center}
.brand-text em{font-style:normal;font-size:11px;font-weight:600;color:var(--c-primary);background:var(--c-soft);border-radius:999px;padding:2px 7px;margin-left:5px;letter-spacing:.04em}
.nav{padding:20px 14px;display:flex;flex-direction:column;gap:6px;overflow-y:auto;flex:1 1 auto}
.nav-label{font-size:12px;font-weight:600;letter-spacing:.04em;color:var(--c-ink-3);padding:0 10px 8px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;min-height:46px;padding:8px 12px;
  border-radius:12px;font-size:14.5px;font-weight:600;color:var(--c-ink-2);
  transition:background .16s ease-out,color .16s ease-out;
}
.nav-item svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;flex:none}
.nav-item:hover{background:#F5F3FD;color:var(--c-ink)}
.nav-item.is-active{background:var(--c-soft);color:var(--c-primary)}
.nav-item.is-active::before{content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:0 3px 3px 0;background:var(--grad)}
.side-foot{padding:16px;border-top:1px solid var(--c-line);flex:none}
.side-foot .btn{width:100%;justify-content:center;padding:12px 18px;font-size:14.5px}
.side-contact{margin-top:14px;display:flex;flex-direction:column;gap:9px;font-size:13px;color:var(--c-ink-2)}
.side-contact span{display:flex;align-items:center;gap:8px}
.side-contact svg{width:16px;height:16px;fill:none;stroke:var(--c-primary);stroke-width:1.75;stroke-linecap:round;flex:none}

/* ============ 移动端导航 ============ */
.mobile-bar{
  display:none;position:fixed;top:0;left:0;right:0;height:64px;z-index:70;
  background:rgba(255,255,255,.94);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);align-items:center;justify-content:space-between;padding:0 16px;
}
.mobile-bar .brand{height:64px;padding:0;border:0}
.hamburger{width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);background:#fff;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;cursor:pointer}
.hamburger i{display:block;width:19px;height:1.75px;background:var(--c-ink);border-radius:2px}
.drawer-mask{position:fixed;inset:0;background:rgba(20,14,51,.5);opacity:0;visibility:hidden;transition:opacity .2s ease-out,visibility .2s;z-index:80}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;left:0;width:280px;height:100vh;background:#fff;z-index:90;
  transform:translateX(-100%);transition:transform .24s ease-out;display:flex;flex-direction:column;
  box-shadow:0 20px 60px rgba(20,14,51,.28);
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:64px;padding:0 16px;border-bottom:1px solid var(--c-line);flex:none}
.drawer-close{width:44px;height:44px;border:0;background:#F5F3FD;border-radius:12px;cursor:pointer;font-size:17px;color:var(--c-ink);line-height:1}
.drawer .nav{padding:16px 14px}
.drawer .side-contact{display:flex;padding:0 20px 24px;margin-top:auto}

/* ============ 通用组件 ============ */
.btn{
  display:inline-flex;align-items:center;gap:8px;border:0;cursor:pointer;
  border-radius:999px;padding:14px 30px;font-size:15px;font-weight:600;
  transition:background-position .3s ease-out,transform .16s ease-out,background .16s ease-out,color .16s ease-out,box-shadow .16s ease-out;
}
.btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.btn-primary{background-image:var(--grad);background-size:200% 100%;background-position:0 0;color:#fff;box-shadow:0 10px 26px rgba(108,76,241,.28)}
.btn-primary:hover{background-position:100% 0;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{background:transparent;border:1.5px solid var(--c-primary);color:var(--c-primary)}
.btn-outline:hover{background:var(--c-soft)}
.btn-outline:active{transform:translateY(1px)}
.btn-sm{padding:10px 22px;font-size:14px}
.btn-light{background:#fff;border:1.5px solid transparent;color:var(--c-primary)}

.chip{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;letter-spacing:.04em;
  color:var(--c-primary);background:var(--c-soft);border-radius:999px;padding:5px 11px;
}
.chip-gold{color:#95590A;background:rgba(255,181,71,.18)}
.chip-accent{color:#0A7C6D;background:rgba(18,200,176,.14)}

.section{padding-top:var(--sec)}
.sec-head{max-width:760px;margin-bottom:36px}
.sec-head h2{font-size:clamp(24px,2.4vw,36px);display:flex;align-items:center;gap:14px}
.sec-head h2::before{content:"";width:6px;height:28px;border-radius:4px;background:var(--grad);flex:none}
.sec-sub{margin-top:14px;color:var(--c-ink-2);font-size:15.5px}

/* ============ 面包屑 ============ */
.crumb{padding-top:40px}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--c-ink-3)}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li+li::before{content:"›";color:var(--c-ink-3)}
.crumb a{color:var(--c-ink-2);transition:color .16s ease-out}
.crumb a:hover{color:var(--c-primary)}
.crumb [aria-current="page"]{color:var(--c-ink);font-weight:600}

/* ============ 首屏 ============ */
.page-hero{
  margin-top:26px;border-radius:var(--r-lg);overflow:hidden;position:relative;
  background:#fff;border:1px solid var(--c-line);box-shadow:var(--sh-card);
  display:grid;grid-template-columns:1.05fr .95fr;
}
.page-hero-copy{padding:52px 44px;display:flex;flex-direction:column;justify-content:center;position:relative;z-index:2}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:.04em;color:var(--c-primary);background:var(--c-soft);border-radius:999px;padding:6px 13px;align-self:flex-start}
.page-hero h1{font-size:clamp(34px,4.2vw,52px);margin-top:20px;letter-spacing:-.5px}
.page-hero h1 span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.lede{margin-top:18px;font-size:16.5px;color:var(--c-ink-2);max-width:44em}
.hero-actions{margin-top:30px;display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.page-hero-media{position:relative;min-height:340px;background:#241a52}
.page-hero-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;position:absolute;inset:0}
.page-hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(140deg,rgba(108,76,241,.55) 0%,rgba(20,14,51,.35) 60%,rgba(20,14,51,.62) 100%);
}
.hero-float{
  position:absolute;left:24px;bottom:24px;z-index:3;display:flex;gap:10px;flex-wrap:wrap;
  background:rgba(255,255,255,.9);border-radius:999px;padding:8px 14px;border:1px solid rgba(255,255,255,.6);
}
.hero-float span{font-size:12px;font-weight:600;color:var(--c-ink-2)}
.hero-float b{color:var(--c-primary);font-variant-numeric:tabular-nums}

/* ============ 数据徽章条 ============ */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:32px}
.stat{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:22px 22px 20px;
  box-shadow:var(--sh-card);transition:box-shadow .16s ease-out,transform .16s ease-out;
}
.stat:hover{box-shadow:var(--sh-hover);transform:translateY(-4px)}
.stat b{
  display:block;font-size:26px;font-weight:800;font-variant-numeric:tabular-nums;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat span{display:block;margin-top:6px;font-size:12.5px;color:var(--c-ink-3);font-weight:600}

/* ============ 数据目录：锚点 + 横卡 ============ */
.catalog{display:grid;grid-template-columns:200px 1fr;gap:32px;align-items:start;margin-top:8px}
.anchors{position:sticky;top:24px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:16px 12px;box-shadow:var(--sh-card)}
.anchors h3{font-size:12px;font-weight:600;letter-spacing:.04em;color:var(--c-ink-3);padding:0 10px 10px}
.anchors a{display:block;font-size:14px;font-weight:600;color:var(--c-ink-2);padding:9px 10px;border-radius:10px;transition:background .16s ease-out,color .16s ease-out}
.anchors a:hover{background:#F5F3FD;color:var(--c-ink)}
.anchors a.is-current{background:var(--c-soft);color:var(--c-primary)}

.rows{display:flex;flex-direction:column;gap:18px}
.p-row{
  display:grid;grid-template-columns:264px 1fr;gap:26px;padding:22px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-card);transition:box-shadow .16s ease-out,transform .16s ease-out;
}
.rows .p-row:nth-child(even){background:#FBFAFF}
.p-row:hover{box-shadow:var(--sh-hover);transform:translateY(-4px)}
.p-media{border-radius:var(--r-img);overflow:hidden;background:#EFECFB}
.p-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s ease-out}
.p-row:hover .p-media img{transform:scale(1.03)}
.p-body{display:flex;flex-direction:column}
.p-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.p-body h3{font-size:20px;font-weight:700}
.p-body>p{margin-top:10px;font-size:15px;color:var(--c-ink-2)}
.p-points{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.p-points li{position:relative;padding-left:20px;font-size:14.5px;color:var(--c-ink-2)}
.p-points li::before{content:"";position:absolute;left:2px;top:10px;width:7px;height:7px;border-radius:50%;background:var(--grad)}
.p-actions{margin-top:auto;padding-top:20px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.p-meta{font-size:13px;color:var(--c-ink-3)}

/* ============ 场景 2×2 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.scene{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-card);transition:box-shadow .16s ease-out,transform .16s ease-out;display:flex;flex-direction:column;
}
.scene:hover{box-shadow:var(--sh-hover);transform:translateY(-4px)}
.scene-img{overflow:hidden}
.scene-img img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease-out}
.scene:hover .scene-img img{transform:scale(1.03)}
.scene-body{padding:24px 26px 26px}
.scene-body h3{font-size:19px}
.scene-body p{margin-top:10px;font-size:14.5px;color:var(--c-ink-2)}
.link-more{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:14px;font-weight:600;color:var(--c-primary);position:relative}
.link-more::after{content:"";position:absolute;left:0;bottom:-3px;height:2px;width:26px;border-radius:2px;background:var(--grad);transition:width .2s ease-out}
.link-more:hover::after{width:100%}

/* ============ 流程条 ============ */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.flow::before{
  content:"";position:absolute;left:6%;right:6%;top:26px;border-top:1px dashed #D6D0EE;
}
.flow-step{position:relative;background:transparent;padding-top:0}
.flow-num{
  width:52px;height:52px;border-radius:50%;background:#fff;border:1.5px solid transparent;
  background-image:linear-gradient(#fff,#fff),var(--grad);background-origin:border-box;background-clip:padding-box,border-box;
  display:flex;align-items:center;justify-content:center;font-weight:800;color:var(--c-primary);
  font-variant-numeric:tabular-nums;position:relative;z-index:2;box-shadow:0 6px 18px rgba(28,16,84,.1);
}
.flow-step h3{margin-top:18px;font-size:17px}
.flow-step p{margin-top:8px;font-size:14px;color:var(--c-ink-2)}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);margin-bottom:14px;overflow:hidden;transition:box-shadow .16s ease-out,border-color .16s ease-out}
.faq-item[open]{border-color:#DAD2FA;box-shadow:var(--sh-card)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;font-size:17px;font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{width:24px;height:24px;flex:none;position:relative}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--c-primary);border-radius:2px}
.faq-icon::before{left:4px;right:4px;top:11px;height:1.75px}
.faq-icon::after{top:4px;bottom:4px;left:11px;width:1.75px;transition:transform .2s ease-out}
.faq-item[open] .faq-icon::after{transform:scaleY(0)}
.faq-answer{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--c-ink-2);background:var(--c-soft-2);padding-top:18px}

/* ============ 末段 CTA ============ */
.cta-band{
  margin-top:var(--sec);background:var(--c-deep);color:#fff;border-radius:var(--r-lg);
  padding:56px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(108,76,241,.55),rgba(108,76,241,0) 68%);
}
.cta-band h2{font-size:clamp(24px,2.6vw,34px);position:relative;z-index:2}
.cta-band p{margin-top:12px;color:rgba(255,255,255,.74);font-size:15.5px;max-width:44em;position:relative;z-index:2}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2}
.cta-badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px;position:relative;z-index:2}
.cta-badges span{font-size:12px;font-weight:600;letter-spacing:.04em;color:#fff;border:1px solid rgba(255,255,255,.34);border-radius:999px;padding:6px 13px}
.cta-band .btn-primary{box-shadow:0 12px 30px rgba(108,76,241,.42)}

/* ============ 页脚 ============ */
.footer{background:var(--c-deep);color:#fff;padding:72px 0 0;flex:none}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px}
.footer h4{font-size:14px;font-weight:600;margin:0 0 16px}
.footer-brand{display:flex;align-items:center;gap:11px}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-text em{color:#CFC4FF;background:rgba(255,255,255,.12)}
.footer-about{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);max-width:34em}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);transition:color .16s ease-out}
.footer-links a:hover{color:#fff}
.footer-contact{display:flex;flex-direction:column;gap:13px;font-size:14px;color:rgba(255,255,255,.72)}
.footer-contact li{display:flex;align-items:flex-start;gap:10px}
.footer-contact svg{width:18px;height:18px;fill:none;stroke:#B9AAFF;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;flex:none;margin-top:3px}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0;font-size:13px;
  color:rgba(255,255,255,.55);display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
}

/* ============ 入场动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .3s ease-out,transform .3s ease-out}
.reveal.is-in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  :root{--sidebar-w:216px;--sec:72px}
  .container{padding:0 32px}
  .page-hero-copy{padding:44px 34px}
  .p-row{grid-template-columns:220px 1fr;gap:22px}
}
@media (max-width:1023px){
  .sidebar{display:none}
  .shell{margin-left:0}
  .mobile-bar{display:flex}
  .main{padding-top:80px}
  .page-hero{grid-template-columns:1fr}
  .page-hero-media{min-height:260px}
  .page-hero-media img{aspect-ratio:16/8;position:relative;height:260px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .catalog{grid-template-columns:1fr}
  .anchors{position:static;display:flex;flex-wrap:wrap;gap:6px;align-items:center}
  .anchors h3{width:100%;padding-bottom:4px}
  .anchors a{padding:8px 12px;background:#F5F3FD}
  .scene-grid{grid-template-columns:1fr}
  .flow{grid-template-columns:repeat(2,1fr)}
  .flow::before{display:none}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-band{padding:44px 32px}
}
@media (max-width:767px){
  :root{--sec:56px}
  .container{padding:0 16px}
  .crumb{padding-top:24px}
  .page-hero-copy{padding:32px 22px}
  .p-row{grid-template-columns:1fr;padding:18px}
  .p-media img{aspect-ratio:16/9}
  .hero-actions .btn{width:100%;justify-content:center}
  .stat{padding:18px}
  .stat b{font-size:22px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .cta-band{padding:36px 22px;border-radius:20px}
  .cta-actions .btn{width:100%;justify-content:center}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --c-primary:#6C4CF1;
  --c-primary-d:#5537D6;
  --c-accent:#12C8B0;
  --c-amber:#FFB547;
  --c-deep:#140E33;
  --c-bg:#F7F6FB;
  --c-card:#FFFFFF;
  --c-line:#E9E6F5;
  --c-line-2:#E4E0F2;
  --c-ink:#1B1533;
  --c-ink-2:#5A5478;
  --c-ink-3:#8B86A6;
  --c-tint:#F3F0FE;
  --c-tint-2:#F0ECFE;
  --grad:linear-gradient(120deg,#6C4CF1 0%,#B44CF0 52%,#FF8A5C 100%);
  --r-card:24px;
  --r-sm:18px;
  --r-img:20px;
  --r-input:14px;
  --sh-card:0 8px 30px rgba(28,16,84,.08);
  --sh-card-h:0 18px 48px rgba(28,16,84,.16);
  --sp-xs:8px;
  --sp-sm:16px;
  --sp-md:24px;
  --sp-lg:40px;
  --sp-xl:64px;
  --sp-2xl:96px;
  --side-w:248px;
  --t:160ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
body::after{
  content:"";position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.035;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(/%23n)'/%3E%3C/svg%3E");
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--c-primary-d)}
button{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:8px}
.svg-defs{position:absolute;width:0;height:0;overflow:hidden}
.container{max-width:1180px;margin:0 auto;padding:0 var(--sp-md)}

/* ============ 布局骨架 ============ */
.shell{display:grid;grid-template-columns:var(--side-w) minmax(0,1fr);min-height:100vh}
.sidebar{
  position:sticky;top:0;height:100vh;z-index:5;
  background:#fff;border-right:1px solid var(--c-line);
  display:flex;flex-direction:column;padding:0 14px 18px;
}
.brand{display:flex;align-items:center;gap:10px;height:88px;padding:0 8px}
.brand-mark{width:34px;height:34px;flex:0 0 auto}
.brand-text{font-size:18px;font-weight:800;color:var(--c-ink);letter-spacing:0}
.brand-text em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.sidebar-close{display:none;position:absolute;top:14px;right:12px;width:44px;height:44px;align-items:center;justify-content:center;border:1px solid var(--c-line);background:#fff;border-radius:12px;cursor:pointer}
.sidebar-close svg{width:20px;height:20px;fill:none;stroke:var(--c-ink-2);stroke-width:1.75;stroke-linecap:round}

.nav{display:flex;flex-direction:column;gap:4px;flex:1;overflow-y:auto;padding-top:6px}
.nav-label{font-size:12px;font-weight:600;letter-spacing:.04em;color:var(--c-ink-3);padding:10px 12px 8px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;height:46px;padding:0 12px;
  border-radius:12px;color:var(--c-ink-2);font-size:14px;font-weight:500;
  transition:background var(--t),color var(--t),transform var(--t);
}
.nav-item svg{width:20px;height:20px;flex:0 0 auto;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}
.nav-item:hover{background:var(--c-tint);color:var(--c-primary)}
.nav-item:active{transform:translateY(1px)}
.nav-item.is-active{background:var(--c-tint-2);color:var(--c-primary);font-weight:600}
.nav-item.is-active::before{content:"";position:absolute;left:0;top:11px;bottom:11px;width:3px;border-radius:3px;background:var(--grad)}

.sidebar-foot{margin-top:14px;padding:14px 8px 0;border-top:1px solid var(--c-line)}
.sidebar-foot .btn{width:100%;justify-content:center;padding:13px 18px;font-size:14px}
.side-list{display:flex;flex-direction:column;gap:10px;margin-top:16px;font-size:13px;color:var(--c-ink-2)}
.side-list li{display:flex;gap:8px;align-items:flex-start}
.side-list svg{width:18px;height:18px;flex:0 0 auto;margin-top:3px;fill:none;stroke:var(--c-accent);stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}

.content{min-width:0;display:flex;flex-direction:column}

/* ============ 移动端导航 ============ */
.mobile-bar{
  display:none;position:sticky;top:0;z-index:75;height:64px;
  align-items:center;justify-content:space-between;gap:12px;padding:0 16px;
  background:rgba(255,255,255,.94);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
}
.mobile-bar .brand{height:auto;padding:0}
.hamburger{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--c-line);background:#fff;border-radius:12px;cursor:pointer}
.hamburger svg{width:22px;height:22px;fill:none;stroke:var(--c-ink);stroke-width:1.75;stroke-linecap:round}
.scrim{position:fixed;inset:0;background:rgba(20,14,51,.5);z-index:80;opacity:0;visibility:hidden;transition:opacity 200ms ease-out,visibility 200ms ease-out}
.scrim.is-open{opacity:1;visibility:visible}

/* ============ 按钮 / 标签 / 徽章 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;padding:14px 30px;font-size:15px;font-weight:600;
  border:0;cursor:pointer;transition:background-position var(--t),background-color var(--t),color var(--t),transform var(--t),box-shadow var(--t);
}
.btn-grad{
  color:#fff;background-image:linear-gradient(120deg,#6C4CF1 0%,#B44CF0 52%,#FF8A5C 100%);
  background-size:200% 100%;background-position:0 0;box-shadow:0 10px 26px rgba(108,76,241,.28);
}
.btn-grad:hover{background-position:100% 0;color:#fff;transform:translateY(-1px)}
.btn-grad:active{transform:translateY(1px)}
.btn-grad:disabled{background-image:none;background-color:#DCD8EC;color:#9590AC;box-shadow:none;cursor:not-allowed}
.btn-outline{background:#fff;border:1.5px solid var(--c-primary);color:var(--c-primary)}
.btn-outline:hover{background:var(--c-tint);color:var(--c-primary-d)}
.btn-line{
  color:#fff;border:1.5px solid transparent;
  background-image:linear-gradient(#140E33,#140E33),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;
}
.btn-line:hover{color:#fff;background-image:var(--grad),var(--grad);transform:translateY(-1px)}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;background:var(--c-tint);
  color:var(--c-primary);font-size:12px;font-weight:600;letter-spacing:.04em;
}
.chip-soft{background:#EAF9F6;color:#0E9C89}
.chip-amber{background:#FFF4E2;color:#A96B08}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);position:relative}
.link-arrow::after{content:"";position:absolute;left:0;right:24px;bottom:-3px;height:2px;border-radius:2px;background:var(--grad);width:0;transition:width 200ms ease-out}
.link-arrow:hover::after{width:calc(100% - 24px)}
.link-arrow svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}

/* ============ 通用板块 ============ */
.section{padding:var(--sp-2xl) 0}
.section-tight{padding:var(--sp-xl) 0}
.section-head{max-width:760px;margin-bottom:var(--sp-lg)}
.h2{position:relative;padding-left:18px;font-size:clamp(24px,3vw,36px);line-height:1.32;font-weight:800;color:var(--c-ink)}
.h2::before{content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:5px;border-radius:4px;background:var(--grad)}
.section-head p{margin-top:14px;color:var(--c-ink-2);font-size:15px;line-height:1.85}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:.04em;color:var(--c-primary);background:var(--c-tint);padding:6px 14px;border-radius:999px;margin-bottom:16px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-3);margin-bottom:20px}
.crumbs a{color:var(--c-ink-2)}
.crumbs a:hover{color:var(--c-primary)}
.crumbs li[aria-hidden]{color:var(--c-ink-3)}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:56px 0 72px;background:linear-gradient(180deg,#FBFAFF 0%,var(--c-bg) 70%)}
.hero::before{
  content:"";position:absolute;top:-220px;right:-160px;width:620px;height:620px;pointer-events:none;
  background:radial-gradient(circle,rgba(108,76,241,.18) 0%,rgba(108,76,241,0) 68%);
}
.hero::after{
  content:"";position:absolute;top:0;right:0;width:560px;height:280px;pointer-events:none;opacity:.7;
  background-image:
    radial-gradient(circle at 88% 16%, rgba(108,76,241,.55) 1.5px, transparent 2px),
    radial-gradient(circle at 72% 32%, rgba(18,200,176,.5) 1.5px, transparent 2px),
    radial-gradient(circle at 94% 50%, rgba(255,181,71,.6) 1.5px, transparent 2px),
    radial-gradient(circle at 61% 11%, rgba(108,76,241,.4) 1.5px, transparent 2px);
  background-repeat:no-repeat;
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1.05fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(34px,4.4vw,52px);line-height:1.16;font-weight:800;letter-spacing:-.2px}
.hero-lead{margin-top:18px;font-size:17px;line-height:1.8;color:var(--c-ink-2);max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:36px}
.stat{
  border:1px solid transparent;border-radius:var(--r-sm);padding:14px 16px;
  background-image:linear-gradient(rgba(255,255,255,.94),rgba(255,255,255,.94)),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 8px 30px rgba(28,16,84,.06);
}
.stat-num{display:block;font-size:clamp(20px,2.2vw,26px);font-weight:800;line-height:1.2;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums}
.stat-label{display:block;margin-top:2px;font-size:12px;font-weight:600;color:var(--c-ink-3)}
.hero-figure{position:relative;border-radius:var(--r-card);overflow:hidden;aspect-ratio:1/1.05;box-shadow:0 24px 60px rgba(28,16,84,.16)}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.hero-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(108,76,241,.28) 0%,rgba(20,14,51,.12) 60%,rgba(20,14,51,.38) 100%)}
.hero-figure figcaption{
  position:absolute;left:20px;right:20px;bottom:18px;z-index:2;color:#fff;font-size:13px;
  display:flex;align-items:center;gap:8px;
}
.hero-figure figcaption svg{width:18px;height:18px;fill:none;stroke:#fff;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}

/* ============ 标签条 ============ */
.tabs{display:flex;gap:6px;overflow-x:auto;border-bottom:1px solid var(--c-line);padding-bottom:0;margin-bottom:36px;scrollbar-width:thin}
.tab{
  position:relative;white-space:nowrap;padding:12px 16px;border-radius:12px 12px 0 0;
  font-size:14px;font-weight:500;color:var(--c-ink-2);cursor:pointer;border:0;background:transparent;
  transition:color var(--t),background var(--t);
}
.tab:hover{color:var(--c-primary);background:#FBFAFF}
.tab.is-active{color:var(--c-primary);font-weight:700;background:transparent}
.tab.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:-1px;height:3px;border-radius:3px;background:var(--grad)}

/* ============ 场景卡 2×2 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--sp-md)}
.scene-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-card);
  transition:box-shadow 220ms ease-out,transform 220ms ease-out,border-color 220ms ease-out;
}
.scene-card:hover{box-shadow:var(--sh-card-h);transform:translateY(-4px);border-color:#DDD6F6}
.scene-media{aspect-ratio:16/9;overflow:hidden;background:#EFECFA}
.scene-media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease-out}
.scene-card:hover .scene-media img{transform:scale(1.04)}
.scene-body{padding:22px 24px 26px}
.scene-body h3{font-size:20px;font-weight:700;margin:12px 0 10px}
.scene-body p{font-size:15px;color:var(--c-ink-2);line-height:1.8}
.scene-body .link-arrow{margin-top:16px}

/* ============ 流程条 ============ */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--sp-md)}
.flow-step{
  position:relative;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-sm);
  padding:26px 22px 24px;box-shadow:var(--sh-card);
  transition:box-shadow 220ms ease-out,transform 220ms ease-out;
}
.flow-step:hover{box-shadow:var(--sh-card-h);transform:translateY(-4px)}
.flow-step:not(:last-child)::after{content:"";position:absolute;right:-24px;top:52px;width:24px;border-top:1px dashed #C9C1EE}
.flow-num{
  display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:999px;
  font-size:15px;font-weight:800;color:#fff;background-image:var(--grad);font-variant-numeric:tabular-nums;
  margin-bottom:14px;box-shadow:0 8px 18px rgba(108,76,241,.24);
}
.flow-step h3{font-size:17px;font-weight:700;margin-bottom:8px}
.flow-step p{font-size:14px;color:var(--c-ink-2);line-height:1.8}

/* ============ 承诺面板 ============ */
.promise{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-card);padding:40px}
.promise-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:var(--sp-lg);align-items:start}
.promise-badges{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.promise-badges .stat{background-image:linear-gradient(#FFFFFF,#FFFFFF),var(--grad);border-radius:var(--r-sm);padding:16px 18px;box-shadow:none}
.check-list{display:flex;flex-direction:column;gap:14px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--c-ink-2);line-height:1.75}
.check-list svg{width:20px;height:20px;flex:0 0 auto;margin-top:4px;fill:none;stroke:var(--c-accent);stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}

/* ============ 图文两栏 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:var(--sp-lg);align-items:center}
.split-figure{border-radius:var(--r-card);overflow:hidden;aspect-ratio:4/3;box-shadow:0 18px 44px rgba(28,16,84,.12);position:relative}
.split-figure img{width:100%;height:100%;object-fit:cover}
.split-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(200deg,rgba(18,200,176,.14),rgba(20,14,51,.22))}
.split h2{margin-bottom:16px}
.split p{font-size:15px;color:var(--c-ink-2);line-height:1.85}
.split p + p{margin-top:14px}
.mini-list{margin-top:20px;display:flex;flex-direction:column;gap:12px}
.mini-list li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--c-ink-2)}
.mini-list svg{width:18px;height:18px;flex:0 0 auto;margin-top:4px;fill:none;stroke:var(--c-primary);stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-sm);margin-bottom:12px;overflow:hidden;transition:border-color var(--t),box-shadow var(--t)}
.faq-item.is-open{border-color:#D7CEF5;box-shadow:var(--sh-card)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--c-ink);
}
.faq-icon{position:relative;width:22px;height:22px;flex:0 0 auto}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--c-primary);border-radius:2px;transition:transform 240ms ease-out,opacity 240ms ease-out}
.faq-icon::before{left:3px;right:3px;top:10px;height:2px}
.faq-icon::after{top:3px;bottom:3px;left:10px;width:2px}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height 240ms ease-out;background:var(--c-tint)}
.faq-a-inner{padding:16px 22px 20px;font-size:15px;line-height:1.85;color:var(--c-ink-2)}

/* ============ CTA 带 ============ */
.cta-band{position:relative;overflow:hidden;background:var(--c-deep);color:#fff}
.cta-band::before{content:"";position:absolute;top:-260px;left:-120px;width:640px;height:640px;background:radial-gradient(circle,rgba(108,76,241,.42) 0%,rgba(108,76,241,0) 66%);pointer-events:none}
.cta-band::after{content:"";position:absolute;bottom:-300px;right:-120px;width:680px;height:680px;background:radial-gradient(circle,rgba(18,200,176,.24) 0%,rgba(18,200,176,0) 66%);pointer-events:none}
.cta-inner{position:relative;z-index:2;padding:88px 0;text-align:center}
.cta-inner h2{font-size:clamp(24px,3vw,36px);font-weight:800;color:#fff;line-height:1.32}
.cta-inner p{margin:18px auto 0;max-width:640px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.76)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:30px}
.cta-badges{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:34px}
.cta-badges span{
  display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:999px;
  border:1px solid rgba(255,255,255,.22);color:rgba(255,255,255,.86);font-size:13px;font-weight:600;
}
.cta-badges svg{width:16px;height:16px;fill:none;stroke:var(--c-amber);stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}

/* ============ 页脚 ============ */
.footer{background:var(--c-deep);color:rgba(255,255,255,.72);padding:64px 0 28px;border-top:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:var(--sp-lg)}
.footer .brand-text{color:#fff}
.footer .brand-text em{background:linear-gradient(120deg,#B44CF0,#FF8A5C);-webkit-background-clip:text;background-clip:text;color:transparent}
.footer h4{color:#fff;font-size:14px;font-weight:600;margin-bottom:16px}
.footer-about{font-size:14px;line-height:1.85;margin-top:18px;max-width:36ch;color:rgba(255,255,255,.7)}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:rgba(255,255,255,.72);font-size:14px}
.footer-links a:hover{color:#fff}
.footer-contact{display:flex;flex-direction:column;gap:12px;font-size:14px}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;line-height:1.7}
.footer-contact svg{width:18px;height:18px;flex:0 0 auto;margin-top:3px;fill:none;stroke:var(--c-accent);stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.55);
}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(12px)}
.reveal.is-in{opacity:1;transform:none;transition:opacity 300ms ease-out,transform 300ms ease-out}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  .scene-card:hover .scene-media img{transform:none}
}

/* ============ 断点 ============ */
@media (min-width:1024px) and (max-width:1279px){
  :root{--side-w:216px}
}
@media (max-width:1023px){
  .mobile-bar{display:flex}
  .shell{grid-template-columns:minmax(0,1fr)}
  .sidebar{
    position:fixed;top:0;left:0;bottom:0;width:280px;max-width:86vw;height:100%;
    z-index:85;transform:translateX(-104%);transition:transform 260ms ease-out;
    box-shadow:0 24px 64px rgba(20,14,51,.3);padding-top:8px;
  }
  .sidebar.is-open{transform:none}
  .sidebar-close{display:flex}
  .brand{height:72px}
  .hero{padding:40px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-figure{aspect-ratio:16/11}
  .scene-grid{grid-template-columns:1fr}
  .flow{grid-template-columns:repeat(2,1fr)}
  .flow-step:nth-child(2)::after{display:none}
  .promise{padding:28px 22px}
  .promise-grid{grid-template-columns:1fr;gap:28px}
  .split{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .section{padding:72px 0}
  .section-tight{padding:56px 0}
  .cta-inner{padding:68px 0}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .stat-row{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:1fr}
  .flow-step::after{display:none!important}
  .promise-badges{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr}
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .hero-actions .btn{flex:1 1 auto}
  .scene-body{padding:18px 18px 22px}
  .cta-inner{padding:56px 0}
  .cta-actions .btn{width:100%}
}

/* roulang page: category3 */
:root{
  --c-primary:#6C4CF1;
  --c-primary-soft:#F0ECFE;
  --c-primary-soft-2:#F3F0FE;
  --c-accent:#12C8B0;
  --c-amber:#FFB547;
  --c-deep:#140E33;
  --c-bg:#F7F6FB;
  --c-card:#FFFFFF;
  --c-line:#E9E6F5;
  --c-line-2:#E4E0F2;
  --c-ink:#1B1636;
  --c-ink-2:#4B4665;
  --c-muted:#6B6785;
  --grad-brand:linear-gradient(120deg,#6C4CF1 0%,#B44CF0 52%,#FF8A5C 100%);
  --r-card:24px;
  --r-sm:18px;
  --r-img:20px;
  --r-btn:999px;
  --r-input:14px;
  --sh-card:0 8px 30px rgba(28,16,84,.08);
  --sh-hover:0 18px 48px rgba(28,16,84,.16);
  --space-1:8px;
  --space-2:16px;
  --space-3:24px;
  --space-4:32px;
  --space-5:48px;
  --space-6:72px;
  --t:160ms ease-out;
  --sidebar-w:248px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:800;letter-spacing:-.01em}
p{margin:0}
em{font-style:normal}
svg{display:block}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:8px}

/* ============ 布局骨架 ============ */
.layout{display:flex;align-items:flex-start;min-height:100vh}
.main{flex:1 1 auto;min-width:0;display:flex;flex-direction:column}
.container{width:100%;max-width:1180px;margin:0 auto;padding-inline:40px}

/* ============ 左侧导航 ============ */
.sidebar{
  position:sticky;top:0;
  flex:0 0 var(--sidebar-w);width:var(--sidebar-w);
  height:100vh;
  background:#fff;
  border-right:1px solid var(--c-line);
  display:flex;flex-direction:column;
  z-index:40;
}
.brand{display:flex;align-items:center;gap:12px;height:88px;padding:0 24px;flex:0 0 auto}
.brand-mark{width:38px;height:38px;flex:0 0 auto}
.brand-text{font-size:19px;font-weight:800;color:var(--c-ink);letter-spacing:-.01em}
.brand-text em{
  font-size:12px;font-weight:600;color:var(--c-primary);
  background:var(--c-primary-soft);border-radius:999px;
  padding:2px 8px;margin-left:6px;vertical-align:2px;
  letter-spacing:.04em;
}
.sidebar-scroll{flex:1 1 auto;overflow-y:auto;padding:8px 16px 16px}
.nav-label{display:block;font-size:12px;font-weight:600;color:#9A96B0;letter-spacing:.04em;padding:8px 12px 10px}
.nav{display:flex;flex-direction:column;gap:4px}
.nav-item{
  position:relative;
  display:flex;align-items:center;gap:12px;
  height:46px;padding:0 14px;border-radius:12px;
  font-size:15px;font-weight:500;color:#565072;
  transition:background var(--t),color var(--t);
}
.nav-item svg{width:20px;height:20px;flex:0 0 auto;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}
.nav-item:hover{background:#F5F3FD;color:var(--c-ink)}
.nav-item.is-active{background:var(--c-primary-soft);color:var(--c-primary);font-weight:600}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:22px;border-radius:0 3px 3px 0;background:var(--grad-brand);
}
.sidebar-foot{flex:0 0 auto;padding:16px;border-top:1px solid var(--c-line);display:grid;gap:12px}
.side-contact{display:grid;gap:8px;font-size:13px;color:var(--c-muted)}
.side-contact li{display:flex;align-items:center;gap:8px}
.side-contact svg{width:16px;height:16px;flex:0 0 auto;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  padding:15px 30px;
  border:1.5px solid transparent;
  white-space:nowrap;
  transition:background var(--t),color var(--t),transform var(--t),box-shadow var(--t),border-color var(--t),background-position var(--t);
}
.btn-primary{
  color:#fff;
  background-image:var(--grad-brand);
  background-size:200% 100%;
  background-position:0 0;
  box-shadow:0 10px 24px rgba(108,76,241,.28);
}
.btn-primary:hover{background-position:100% 0;box-shadow:0 14px 32px rgba(108,76,241,.34)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{color:var(--c-primary);border-color:var(--c-primary);background:#fff}
.btn-ghost:hover{background:var(--c-primary-soft)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:11px 20px;font-size:14px}
.btn-block{width:100%}
.btn-grad-edge{
  color:#fff;
  border:1.5px solid transparent;
  background-image:linear-gradient(#140E33,#140E33),var(--grad-brand);
  background-origin:border-box;
  background-clip:padding-box,border-box;
}
.btn-grad-edge:hover{background-image:linear-gradient(#1E1646,#1E1646),var(--grad-brand)}
.btn-grad-edge:active{transform:translateY(1px)}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--c-primary);
  background-image:var(--grad-brand);
  background-repeat:no-repeat;
  background-size:100% 2px;
  background-position:0 100%;
  padding-bottom:4px;
  transition:background-size var(--t);
}
.link-more:hover{background-size:0 2px;background-position:100% 100%}

/* ============ 移动端顶栏 ============ */
.topbar{
  display:none;
  position:fixed;top:0;left:0;right:0;height:64px;
  align-items:center;justify-content:space-between;
  padding:0 16px;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
  z-index:38;
}
.topbar .brand{height:auto;padding:0;gap:10px}
.topbar .brand-mark{width:32px;height:32px}
.topbar .brand-text{font-size:17px}
.burger{
  width:44px;height:44px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  color:var(--c-ink);
}
.burger:hover{background:var(--c-primary-soft)}
.burger svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round}
.scrim{
  position:fixed;inset:0;z-index:39;
  background:rgba(20,14,51,.5);
  opacity:0;visibility:hidden;
  transition:opacity 240ms ease-out,visibility 240ms ease-out;
}
.scrim.is-open{opacity:1;visibility:visible}

/* ============ 面包屑 ============ */
.crumb{font-size:14px;color:var(--c-muted);margin-bottom:22px}
.crumb ol{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li+li::before{content:"›";color:#B9B4D0;font-size:15px}
.crumb a{transition:color var(--t)}
.crumb a:hover{color:var(--c-primary)}
.crumb [aria-current="page"]{color:var(--c-ink);font-weight:600}

/* ============ 首屏 ============ */
.page-hero{
  position:relative;overflow:hidden;
  padding:48px 0 72px;
  background:
    radial-gradient(120% 80% at 100% 0%,rgba(108,76,241,.12),transparent 60%),
    radial-gradient(90% 70% at 0% 0%,rgba(18,200,176,.10),transparent 55%),
    var(--c-bg);
}
.hero-orbit{position:absolute;right:-40px;bottom:-30px;width:520px;max-width:70%;opacity:.5;pointer-events:none}
.hero-dot{position:absolute;width:4px;height:4px;border-radius:50%;background:var(--c-primary);opacity:.55;pointer-events:none}
.hero-dot:nth-child(2){top:88px;right:16%;width:3px;height:3px;background:var(--c-accent)}
.hero-dot:nth-child(3){top:180px;right:8%;width:5px;height:5px;background:var(--c-amber);opacity:.7}
.hero-dot:nth-child(4){top:56px;right:34%;width:3px;height:3px;background:var(--c-primary)}
.hero-grid{position:relative;display:grid;grid-template-columns:1fr 1.05fr;gap:48px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.04em;
  color:var(--c-primary);
  background:var(--c-primary-soft);
  border:1px solid #E2DAFD;
  border-radius:999px;padding:6px 14px;
}
.hero-copy h1{font-size:clamp(34px,4vw,50px);margin-top:18px;line-height:1.16}
.hero-copy .lead{margin-top:18px;font-size:17px;color:#57526F;max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-figure{position:relative;border-radius:24px;overflow:hidden;box-shadow:var(--sh-card);margin:0}
.hero-figure img{width:100%;aspect-ratio:16/11;object-fit:cover}
.hero-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(108,76,241,.16),rgba(20,14,51,.36));
  pointer-events:none;
}

/* ============ 板块 ============ */
.section{padding:72px 0}
.section-alt{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.section-head{max-width:780px;margin-bottom:40px}
.section-head h2{
  display:flex;align-items:center;gap:14px;
  font-size:clamp(24px,2.6vw,32px);
}
.section-head h2::before{
  content:"";flex:0 0 auto;width:6px;height:26px;border-radius:3px;background:var(--grad-brand);
}
.section-sub{margin-top:14px;color:var(--c-muted);font-size:16px}

/* ============ 档位对比表 ============ */
.compare-hint{display:none;font-size:13px;color:var(--c-muted);margin-bottom:10px}
.compare-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;padding-bottom:6px}
.compare{
  min-width:780px;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-card);
}
.crow{display:grid;grid-template-columns:1.45fr 1fr 1fr 1fr}
.crow > *{
  display:flex;align-items:center;justify-content:center;
  text-align:center;
  padding:17px 18px;
  font-size:14.5px;color:var(--c-ink-2);
  border-bottom:1px solid var(--c-line);
}
.crow:last-child > *{border-bottom:0}
.crow > :nth-child(3){
  background:#F6F3FF;
  border-left:1px solid #E7E1FF;
  border-right:1px solid #E7E1FF;
}
.crow > :first-child{justify-content:flex-start;text-align:left}
.cfeat{font-weight:600;color:var(--c-ink);background:#FBFAFF}
.chead > *{padding-top:28px;padding-bottom:28px;background:#fff}
.chead > .cfeat{background:#FBFAFF}
.chead > :nth-child(3){background:#F1EBFF}
.cplan{flex-direction:column;gap:6px;align-items:flex-start;text-align:left}
.chead .cplan{align-items:center;text-align:center}
.cplan b{font-size:19px;font-weight:800;color:var(--c-ink)}
.cplan span{font-size:13px;color:var(--c-muted)}
.cplan em{
  font-size:12px;font-weight:600;letter-spacing:.04em;color:#fff;
  background:var(--grad-brand);border-radius:999px;padding:2px 10px;
}
.cfoot > *{padding-top:24px;padding-bottom:26px}
.cfoot .cfeat{font-weight:500;color:var(--c-muted)}

/* ============ 数据徽章 ============ */
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{
  border-radius:999px;
  border:1.5px solid transparent;
  background-image:linear-gradient(#FBFAFF,#FBFAFF),linear-gradient(120deg,rgba(108,76,241,.55),rgba(255,138,92,.55));
  background-origin:border-box;
  background-clip:padding-box,border-box;
  padding:20px 18px;
  text-align:center;
  transition:transform var(--t),box-shadow var(--t);
}
.stat:hover{transform:translateY(-4px);box-shadow:var(--sh-card)}
.stat b{
  display:block;
  font-size:clamp(22px,2.3vw,28px);
  font-weight:800;
  font-variant-numeric:tabular-nums;
  background:var(--grad-brand);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.stat span{display:block;margin-top:4px;font-size:12px;font-weight:600;color:var(--c-muted);letter-spacing:.04em}

/* ============ 支持渠道卡片 ============ */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.channel{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-sm);
  overflow:hidden;
  box-shadow:var(--sh-card);
  transition:transform var(--t),box-shadow var(--t);
  display:flex;flex-direction:column;
}
.channel:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.channel-media{overflow:hidden;background:var(--c-primary-soft)}
.channel-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform 320ms ease-out}
.channel:hover .channel-media img{transform:scale(1.03)}
.channel-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.channel-body h3{font-size:19px}
.channel-body p{font-size:14.5px;color:var(--c-muted)}
.channel-body .link-more{margin-top:auto;align-self:flex-start}

/* ============ FAQ ============ */
.faq{max-width:880px;margin:0 auto}
.faq-item{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-sm);
  overflow:hidden;
  margin-bottom:12px;
  transition:border-color var(--t),box-shadow var(--t);
}
.faq-item.is-open{border-color:#DDD4FB;box-shadow:var(--sh-card)}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;
  font-size:17px;font-weight:600;color:var(--c-ink);text-align:left;
  transition:background var(--t);
}
.faq-q:hover{background:#FBFAFF}
.faq-icon{flex:0 0 auto;width:22px;height:22px;color:var(--c-primary)}
.faq-icon svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round}
.faq-icon .v{transition:opacity var(--t)}
.faq-item.is-open .faq-icon .v{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height 240ms ease-out}
.faq-a-inner{
  padding:4px 24px 22px;
  font-size:15px;line-height:1.8;color:#57526F;
  background:var(--c-primary-soft-2);
}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--c-deep);
  color:#fff;
  padding:80px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(60% 90% at 15% 0%,rgba(108,76,241,.45),transparent 62%),
    radial-gradient(50% 80% at 90% 100%,rgba(18,200,176,.28),transparent 60%);
}
.cta-inner{position:relative;max-width:780px;margin:0 auto;text-align:center}
.cta-inner h2{font-size:clamp(26px,3.1vw,36px);color:#fff}
.cta-inner p{margin-top:16px;color:rgba(255,255,255,.74);font-size:16px}
.cta-actions{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;margin-top:34px}
.cta-tags{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:30px}
.cta-tags span{
  font-size:12px;font-weight:600;letter-spacing:.04em;
  color:rgba(255,255,255,.82);
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.06);
  border-radius:999px;padding:7px 15px;
}

/* ============ 页脚 ============ */
.footer{background:#100B2A;color:rgba(255,255,255,.72);padding-top:64px}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:48px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer .brand{height:auto;padding:0;border:0}
.footer .brand-text{color:#fff}
.footer-about{margin-top:16px;font-size:14px;line-height:1.8;max-width:32em}
.footer h4{color:#fff;font-size:14px;font-weight:600;margin-bottom:16px}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);transition:color var(--t)}
.footer-links a:hover{color:#fff}
.footer-contact{display:grid;gap:12px;font-size:14px}
.footer-contact li{display:flex;align-items:flex-start;gap:10px}
.footer-contact svg{width:16px;height:16px;flex:0 0 auto;margin-top:5px;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding:22px 0;font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 入场动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 300ms ease-out,transform 300ms ease-out}
.reveal.is-in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  :root{--sidebar-w:216px}
  .container{padding-inline:32px}
  .hero-grid{gap:36px}
  .channel-grid{gap:20px}
}
@media (max-width:1023px){
  .sidebar{
    position:fixed;top:0;left:0;bottom:0;
    width:280px;height:100%;flex:none;
    transform:translateX(-100%);
    transition:transform 240ms ease-out;
    box-shadow:0 24px 60px rgba(20,14,51,.28);
  }
  .sidebar.is-open{transform:translateX(0)}
  .topbar{display:flex}
  .main{padding-top:64px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-figure img{aspect-ratio:16/9}
  .stat-row{grid-template-columns:repeat(2,1fr)}
  .channel-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding-inline:16px}
  .page-hero{padding:32px 0 48px}
  .section{padding:56px 0}
  .hero-copy h1{font-size:clamp(28px,7.4vw,34px)}
  .hero-copy .lead{font-size:15.5px}
  .hero-actions .btn{flex:1 1 100%}
  .channel-grid{grid-template-columns:1fr}
  .stat-row{grid-template-columns:1fr}
  .section-head{margin-bottom:28px}
  .compare-hint{display:block}
  .faq-q{padding:18px 18px;font-size:16px}
  .faq-a-inner{padding:6px 18px 20px}
  .cta-band{padding:56px 0}
  .cta-actions .btn{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .footer-bottom{justify-content:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category4 */
:root{
  --c-primary:#6C4CF1;
  --c-primary-2:#B44CF0;
  --c-accent:#12C8B0;
  --c-amber:#FFB547;
  --c-deep:#140E33;
  --c-bg:#F7F6FB;
  --c-card:#FFFFFF;
  --c-line:#E9E6F5;
  --c-line-soft:#F1EEFA;
  --c-ink:#1B1533;
  --c-ink-2:#5A5478;
  --c-ink-3:#8B87A3;
  --c-purple-soft:#F0ECFE;
  --c-purple-soft-2:#F3F0FE;
  --c-danger:#E5484D;
  --grad:linear-gradient(120deg,#6C4CF1 0%,#B44CF0 52%,#FF8A5C 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-img:20px;
  --r-input:14px;
  --r-pill:999px;
  --sh-card:0 8px 30px rgba(28,16,84,.08);
  --sh-hover:0 18px 48px rgba(28,16,84,.16);
  --space-xs:8px;
  --space-sm:14px;
  --space-md:24px;
  --space-lg:40px;
  --space-xl:96px;
  --nav-w:248px;
  --t:160ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure{margin:0}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--c-deep);color:#fff;padding:10px 18px;border-radius:0 0 12px 0;font-size:14px;
}
.skip-link:focus{left:0}

.layout{display:grid;grid-template-columns:var(--nav-w) minmax(0,1fr);min-height:100vh}

/* ============ 左侧导航 ============ */
.sidebar{
  position:sticky;top:0;height:100vh;
  background:#fff;
  border-right:1px solid var(--c-line);
  display:flex;flex-direction:column;
}
.brand{display:flex;align-items:center;gap:10px;height:88px;padding:0 22px;border-bottom:1px solid var(--c-line)}
.brand-mark{width:36px;height:36px;flex:0 0 auto}
.brand-text{font-size:19px;font-weight:800;line-height:1;white-space:nowrap}
.brand-text em{
  font-style:normal;font-size:12px;font-weight:600;color:var(--c-primary);
  background:var(--c-purple-soft);border-radius:var(--r-pill);
  padding:2px 8px;margin-left:6px;vertical-align:2px;
}
.nav{flex:1;overflow-y:auto;padding:20px 14px;display:flex;flex-direction:column;gap:6px}
.nav-label{font-size:12px;font-weight:600;color:var(--c-ink-3);letter-spacing:.04em;padding:0 12px 8px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;
  min-height:46px;padding:0 12px;border-radius:12px;
  font-size:15px;font-weight:500;color:var(--c-ink-2);
  transition:background var(--t),color var(--t),transform var(--t);
}
.nav-item svg{width:20px;height:20px;flex:0 0 auto;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}
.nav-item:hover{background:var(--c-bg);color:var(--c-ink)}
.nav-item:active{transform:translateY(1px)}
.nav-item.is-active{background:var(--c-purple-soft);color:var(--c-primary);font-weight:600}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:11px;bottom:11px;width:3px;border-radius:3px;background:var(--grad);
}
.sidebar-foot{padding:16px 18px 22px;border-top:1px solid var(--c-line)}
.side-bar-btn{width:100%}
.side-contact{margin-top:16px;display:flex;flex-direction:column;gap:9px}
.side-contact li{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--c-ink-3);line-height:1.5}
.side-contact svg{width:16px;height:16px;flex:0 0 auto;fill:none;stroke:var(--c-primary);stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}

/* ============ 移动端顶栏与抽屉 ============ */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:64px;z-index:80;
  align-items:center;justify-content:space-between;
  padding:0 18px;background:rgba(255,255,255,.95);
  border-bottom:1px solid var(--c-line);
  backdrop-filter:blur(10px);
}
.topbar .brand{height:64px;padding:0;border:0}
.topbar .brand-mark{width:30px;height:30px}
.topbar .brand-text{font-size:17px}
.burger{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;border:1px solid var(--c-line);background:#fff;
}
.burger svg{width:22px;height:22px;fill:none;stroke:var(--c-ink);stroke-width:1.75;stroke-linecap:round}
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,14,51,.5);z-index:90;
  opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);
}
.drawer-mask.show{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:280px;z-index:100;
  background:#fff;transform:translateX(-100%);
  transition:transform 220ms ease-out;
  display:flex;flex-direction:column;box-shadow:0 20px 60px rgba(20,14,51,.24);
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:12px 12px 12px 18px;border-bottom:1px solid var(--c-line)}
.drawer-close{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:12px}
.drawer-close:hover{background:var(--c-bg)}
.drawer-close svg{width:20px;height:20px;fill:none;stroke:var(--c-ink);stroke-width:1.75;stroke-linecap:round}
.drawer .nav{padding:16px 12px}
.drawer-foot{padding:16px 18px 24px;border-top:1px solid var(--c-line)}

/* ============ 主内容区 ============ */
.content-wrap{min-width:0;display:flex;flex-direction:column}
.main{flex:1;padding:56px 40px 96px}
.container{width:100%;max-width:1180px;margin:0 auto}

.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-3);margin-bottom:26px}
.breadcrumb a{color:var(--c-ink-2);transition:color var(--t)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:#C7C2DC}
.breadcrumb [aria-current="page"]{color:var(--c-ink);font-weight:600}

/* ============ 按钮与标签 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;border-radius:var(--r-pill);padding:14px 30px;
  font-size:15px;font-weight:600;line-height:1.2;cursor:pointer;text-align:center;
  transition:background-position var(--t),background-color var(--t),color var(--t),box-shadow var(--t),transform var(--t),border-color var(--t);
}
.btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}
.btn-primary{
  color:#fff;background-image:var(--grad);background-size:200% 100%;background-position:0 0;
  box-shadow:0 10px 26px rgba(108,76,241,.28);
}
.btn-primary:hover{background-position:100% 0;box-shadow:0 14px 32px rgba(108,76,241,.34)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{
  color:var(--c-primary);background:#fff;
  box-shadow:inset 0 0 0 1.5px var(--c-primary);
}
.btn-ghost:hover{background:var(--c-purple-soft)}
.btn-ghost:active{transform:translateY(1px)}
.btn-outline-grad{
  color:#fff;border:1.5px solid transparent;
  background:linear-gradient(var(--c-deep),var(--c-deep)) padding-box,var(--grad) border-box;
}
.btn-outline-grad:hover{background-image:var(--grad);background-origin:border-box;background-clip:border-box;box-shadow:0 12px 30px rgba(108,76,241,.4)}
.btn:disabled{background:#EDEBF5;color:#A9A5BC;box-shadow:none;cursor:not-allowed;transform:none}
.btn-sm{padding:10px 20px;font-size:14px}

.link-arrow{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding-bottom:4px;font-size:14px;font-weight:600;color:var(--c-primary);
}
.link-arrow::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:24px;
  border-radius:2px;background:var(--grad);transition:width var(--t);
}
.link-arrow:hover::after{width:100%}
.link-arrow svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;color:var(--c-primary);
  background:var(--c-purple-soft);border-radius:var(--r-pill);padding:5px 12px;
}
.tag-accent{color:#0E8D7C;background:rgba(18,200,176,.14)}
.tag-amber{color:#9A6410;background:rgba(255,181,71,.18)}

/* ============ Hero ============ */
.hero-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:48px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.04em;color:var(--c-primary);
  background:var(--c-purple-soft);border-radius:var(--r-pill);padding:6px 14px;margin-bottom:18px;
}
.h1{font-size:clamp(34px,3.5vw,52px);font-weight:800;line-height:1.16;letter-spacing:0}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.75;color:var(--c-ink-2);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-badges{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:44px}
.badge-stat{
  border:1px solid transparent;border-radius:var(--r-md);
  background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box;
  padding:14px 16px;box-shadow:var(--sh-card);
}
.badge-stat b{
  display:block;font-size:24px;font-weight:800;line-height:1.2;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums;
}
.badge-stat span{display:block;margin-top:4px;font-size:12px;color:var(--c-ink-3);font-weight:600}
.hero-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:0 24px 60px rgba(28,16,84,.16);
}
.hero-media img{width:100%;aspect-ratio:5/4;object-fit:cover}
.hero-media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(150deg,rgba(108,76,241,.26),rgba(20,14,51,.04) 55%,rgba(18,200,176,.16));
}
.hero-media figcaption{
  position:absolute;left:18px;bottom:16px;z-index:2;
  font-size:12.5px;color:#fff;background:rgba(20,14,51,.56);
  border-radius:var(--r-pill);padding:6px 14px;
}

/* ============ 板块 ============ */
.section{padding-top:96px}
.section-head{margin-bottom:36px}
.h2{
  position:relative;padding-left:18px;
  font-size:clamp(24px,2.3vw,36px);font-weight:800;line-height:1.3;
}
.h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:5px;border-radius:3px;background:var(--grad);
}
.section-lead{margin-top:14px;max-width:760px;color:var(--c-ink-2);font-size:16px}
.h3{font-size:clamp(19px,1.6vw,22px);font-weight:700;line-height:1.4}

.card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-card);transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#DDD6F7}

/* 合作方向 */
.dir-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.dir-card{padding:28px 28px 26px}
.dir-ico{
  width:48px;height:48px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid transparent;
  background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box;
  margin-bottom:18px;
}
.dir-ico svg{width:24px;height:24px;fill:none;stroke:var(--c-primary);stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}
.dir-card p{margin-top:10px;color:var(--c-ink-2);font-size:15px;line-height:1.8}
.dir-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;padding-top:18px;border-top:1px dashed var(--c-line)}

/* 交错图文 */
.alt-list{margin-top:8px}
.alt-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.alt-row + .alt-row{margin-top:80px}
.alt-row.reverse .alt-media{order:2}
.alt-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-card);background:#EFEDF8;
}
.alt-media img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform 320ms ease-out}
.alt-row:hover .alt-media img{transform:scale(1.03)}
.alt-media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(160deg,rgba(108,76,241,.16),rgba(18,200,176,.1));
}
.alt-copy .h3{margin-bottom:14px}
.alt-copy > p{color:var(--c-ink-2);font-size:15.5px;line-height:1.8}
.check-list{margin-top:20px;display:flex;flex-direction:column;gap:12px}
.check-list li{display:flex;gap:10px;font-size:15px;color:var(--c-ink-2)}
.check-list svg{width:20px;height:20px;flex:0 0 auto;margin-top:3px;fill:none;stroke:var(--c-accent);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.alt-copy .link-arrow{margin-top:22px}

/* 时间轴 */
.timeline{position:relative;margin-top:44px;padding-left:34px}
.timeline::before{content:"";position:absolute;left:9px;top:10px;bottom:10px;width:1px;background:var(--c-line)}
.tl-item{position:relative;padding-bottom:30px}
.tl-item:last-child{padding-bottom:0}
.tl-node{
  position:absolute;left:-34px;top:22px;width:19px;height:19px;border-radius:50%;
  border:2px solid transparent;
  background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box;
}
.tl-item:last-child .tl-node{background:linear-gradient(#fff,#fff) padding-box,linear-gradient(120deg,#12C8B0,#6C4CF1) border-box}
.tl-card{padding:22px 26px}
.tl-date{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;color:var(--c-primary);
  background:var(--c-purple-soft);border-radius:var(--r-pill);padding:4px 12px;
  font-variant-numeric:tabular-nums;
}
.tl-card h3{margin-top:12px;font-size:18px;font-weight:700}
.tl-card p{margin-top:8px;font-size:15px;color:var(--c-ink-2);line-height:1.8}

/* 数据条 */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;
  margin-top:44px;padding:30px 10px;border-radius:var(--r-lg);
  background:#fff;border:1px solid var(--c-line);box-shadow:var(--sh-card);
}
.stat{text-align:center;padding:0 12px;border-right:1px dashed var(--c-line)}
.stat:last-child{border-right:0}
.stat b{
  display:block;font-size:clamp(22px,2vw,28px);font-weight:800;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums;
}
.stat span{display:block;margin-top:6px;font-size:13px;color:var(--c-ink-3);font-weight:600}

/* FAQ */
.faq{max-width:880px;margin:40px auto 0;display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  overflow:hidden;transition:box-shadow var(--t),border-color var(--t),background var(--t);
}
.faq-item:hover{border-color:#DDD6F7}
.faq-item.open{border-color:#D8CFFA;box-shadow:var(--sh-card);background:var(--c-purple-soft-2)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;text-align:left;font-size:17px;font-weight:600;line-height:1.5;
  cursor:pointer;color:var(--c-ink);
}
.faq-ico{position:relative;width:20px;height:20px;flex:0 0 auto}
.faq-ico::before,.faq-ico::after{
  content:"";position:absolute;background:var(--c-primary);border-radius:2px;
  transition:transform 200ms ease-out,opacity 200ms ease-out;
}
.faq-ico::before{left:0;top:9px;width:20px;height:2px}
.faq-ico::after{left:9px;top:0;width:2px;height:20px}
.faq-item.open .faq-ico::after{transform:scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height 240ms ease-out}
.faq-a-inner{padding:0 22px 22px;font-size:15px;line-height:1.8;color:var(--c-ink-2)}

/* 联系表单 */
.contact-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:28px;align-items:start;margin-top:44px}
.form-card{padding:32px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:18px}
.field label{display:block;margin-bottom:8px;font-size:14px;font-weight:600;color:var(--c-ink)}
.req{color:var(--c-danger);margin-left:2px}
.input,.select,.textarea{
  width:100%;border:1px solid #E4E0F2;border-radius:var(--r-input);
  background:#FCFBFE;padding:12px 14px;font-size:15px;line-height:1.6;
  transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--c-ink-3) 50%),linear-gradient(135deg,var(--c-ink-3) 50%,transparent 50%);
  background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-right:44px}
.textarea{min-height:120px;resize:vertical}
.input:focus,.select:focus,.textarea:focus{
  outline:none;border-color:var(--c-primary);background:#fff;
  box-shadow:0 0 0 4px rgba(108,76,241,.18);
}
.input::placeholder,.textarea::placeholder{color:#B3AECC}
.form-tip{margin-top:14px;font-size:13px;color:var(--c-ink-3);line-height:1.7}
.form-msg{display:none;margin-top:14px;font-size:14px;font-weight:600;color:#0E8D7C}
.form-msg.show{display:block}
.form-actions{margin-top:6px}

.addr-card{padding:28px;margin-bottom:20px}
.addr-card h3{font-size:18px;font-weight:700;margin-bottom:16px}
.addr-list{display:flex;flex-direction:column;gap:14px}
.addr-list li{display:flex;gap:10px;font-size:14.5px;color:var(--c-ink-2);line-height:1.7}
.addr-list svg{width:18px;height:18px;flex:0 0 auto;margin-top:4px;fill:none;stroke:var(--c-primary);stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}
.map-box{
  position:relative;height:220px;border-radius:var(--r-md);overflow:hidden;
  border:1px solid var(--c-line);
  background:
    repeating-linear-gradient(0deg,#E9E6F5 0 1px,transparent 1px 36px),
    repeating-linear-gradient(90deg,#E9E6F5 0 1px,transparent 1px 36px),
    linear-gradient(140deg,#F0ECFE,#E7F6F4);
}
.map-box::before{
  content:"";position:absolute;left:-10%;top:62%;width:130%;height:1px;
  background:linear-gradient(90deg,transparent,#C9BEF3,transparent);
  transform:rotate(-12deg);
}
.map-pin{position:absolute;left:50%;top:46%;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;gap:8px}
.map-pin .dot{
  width:16px;height:16px;border-radius:50%;background:var(--grad);
  box-shadow:0 0 0 8px rgba(108,76,241,.16),0 0 0 18px rgba(108,76,241,.08);
}
.map-pin span{
  font-size:12.5px;font-weight:600;color:var(--c-ink);
  background:rgba(255,255,255,.94);border-radius:var(--r-pill);padding:4px 12px;
  box-shadow:var(--sh-card);white-space:nowrap;
}

/* CTA 带 */
.cta-band{
  position:relative;overflow:hidden;margin-top:96px;
  border-radius:28px;padding:56px;
  color:#fff;
  background-image:linear-gradient(120deg,rgba(20,14,51,.95),rgba(20,14,51,.86)),url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
}
.cta-band h2{font-size:clamp(22px,2.2vw,32px);font-weight:800;line-height:1.35;max-width:720px}
.cta-band p{margin-top:16px;font-size:15.5px;line-height:1.8;color:rgba(255,255,255,.76);max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.cta-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.cta-badges span{
  font-size:12px;font-weight:600;color:rgba(255,255,255,.86);
  border:1px solid rgba(255,255,255,.22);border-radius:var(--r-pill);padding:6px 14px;
  background:rgba(255,255,255,.06);
}

/* ============ 页脚 ============ */
.footer{margin-top:96px;background:var(--c-deep);color:rgba(255,255,255,.72);padding:72px 0 0}
.footer .container{padding:0 40px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:40px}
.footer .brand-text{color:#fff}
.footer .brand-text em{background:rgba(108,76,241,.22);color:#C9BEF3}
.footer-about{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:320px}
.footer h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);transition:color var(--t),transform var(--t)}
.footer-links a:hover{color:#fff;transform:translateX(2px)}
.footer-contact{display:flex;flex-direction:column;gap:12px}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.72);line-height:1.7}
.footer-contact svg{width:18px;height:18px;flex:0 0 auto;margin-top:4px;fill:none;stroke:#B44CF0;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}
.footer-bottom{
  margin-top:52px;padding:22px 0 26px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* 入场动画 */
[data-reveal]{opacity:0;transform:translateY(12px);transition:opacity 300ms ease-out,transform 300ms ease-out}
[data-reveal].in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  :root{--nav-w:216px}
  .main{padding:48px 32px 88px}
  .footer .container{padding:0 32px}
  .hero-grid{gap:36px}
  .alt-row{gap:40px}
  .dir-card{padding:24px}
}
@media (max-width:1023px){
  .layout{grid-template-columns:minmax(0,1fr)}
  .sidebar{display:none}
  .topbar{display:flex}
  .main{padding:96px 28px 80px}
  .footer .container{padding:0 28px}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:32px}
  .hero-media{margin-top:8px}
  .hero-badges{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:32px}
  .alt-row{grid-template-columns:minmax(0,1fr);gap:24px}
  .alt-row.reverse .alt-media{order:0}
  .alt-row + .alt-row{margin-top:56px}
  .contact-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .section{padding-top:72px}
  .cta-band{margin-top:72px;padding:44px 36px}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .main{padding:88px 18px 64px}
  .footer .container{padding:0 18px}
  .section{padding-top:56px}
  .dir-grid{grid-template-columns:minmax(0,1fr)}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr));gap:0;padding:22px 6px}
  .stat{padding:14px 10px;border-right:0;border-bottom:1px dashed var(--c-line)}
  .stat:nth-child(2n){border-right:0}
  .stat:nth-last-child(-n+2){border-bottom:0}
  .form-row{grid-template-columns:minmax(0,1fr)}
  .form-card{padding:22px}
  .addr-card{padding:22px}
  .faq-q{padding:17px 18px;font-size:16px}
  .faq-a-inner{padding:0 18px 18px}
  .cta-band{margin-top:56px;padding:34px 22px;border-radius:22px}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:30px}
  .footer-bottom{flex-direction:column;gap:8px}
  .hero-actions .btn{width:100%}
  .timeline{padding-left:26px}
  .tl-item{padding-bottom:22px}
  .tl-node{left:-26px;width:17px;height:17px}
  .timeline::before{left:8px}
}
@media (max-width:520px){
  .hero-badges{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .badge-stat b{font-size:20px}
  .brand-text{font-size:17px}
  .tl-card{padding:18px 20px}
  .dir-card{padding:20px}
}
@media (prefers-reduced-motion: reduce){
  *{scroll-behavior:auto}
  [data-reveal]{opacity:1;transform:none;transition:none}
  .card:hover{transform:none}
  .alt-row:hover .alt-media img{transform:none}
}