/* roulang page: index */
:root{
  --bg:#0E0C11;
  --panel:#17141D;
  --card:#1D1926;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --primary:#FF6A3D;
  --primary-deep:#E24E22;
  --magenta:#FF2E63;
  --aqua:#17C3B2;
  --aqua-light:#6EE7D0;
  --cream:#F7F3EE;
  --ink:#221E28;
  --text:#F3EFF6;
  --text-2:rgba(243,239,246,.68);
  --text-3:rgba(243,239,246,.46);
  --grad-main:linear-gradient(118deg,#FF6A3D 0%,#FF2E63 100%);
  --grad-aqua:linear-gradient(118deg,#17C3B2 0%,#6EE7D0 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --shadow-card:0 24px 60px -28px rgba(0,0,0,.75);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:8px}
::selection{background:rgba(255,106,61,.35);color:#fff}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 24px}}
@media(min-width:1024px){.container{padding:0 32px}}

/* ============ 顶栏 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(14,12,17,.85);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  transition:background .25s ease;
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent 0%,rgba(255,106,61,.6) 50%,transparent 100%);
}
.site-header.is-scrolled{background:rgba(11,9,14,.95)}
.nav-wrap{
  display:flex;align-items:center;gap:16px;height:72px;
  transition:height .25s ease;
}
.site-header.is-scrolled .nav-wrap{height:60px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{width:30px;height:30px;flex:0 0 auto}
.logo-text{font-size:18px;font-weight:700;letter-spacing:.02em;color:#fff;transition:opacity .2s ease}
.logo:hover .logo-text{opacity:.82}
.nav-main{display:none;flex:1 1 auto;align-items:center;justify-content:center;gap:2px;min-width:0}
@media(min-width:1024px){.nav-main{display:flex}}
.nav-link{
  position:relative;padding:8px 9px;font-size:13.5px;font-weight:500;
  color:var(--text-2);border-radius:10px;white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--aqua-light);background:rgba(255,255,255,.03)}
.nav-link.is-active{color:var(--primary)}
.nav-link.is-active::after{
  content:"";position:absolute;left:9px;right:9px;bottom:1px;height:2px;border-radius:2px;
  background:var(--grad-main);box-shadow:0 0 10px rgba(255,106,61,.75);
}
.nav-sep{width:1px;height:16px;background:var(--line-strong);margin:0 6px;flex:0 0 auto}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-cta{display:none}
@media(min-width:1024px){.nav-cta{display:inline-flex}}
.nav-toggle{
  display:flex;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;padding:0 11px;border-radius:12px;
  border:1px solid var(--line-strong);transition:border-color .2s ease,background .2s ease;
}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--text-2);transition:background .2s ease}
.nav-toggle:hover{border-color:rgba(255,106,61,.5);background:rgba(255,106,61,.06)}
.nav-toggle:hover span{background:var(--primary)}
@media(min-width:1024px){.nav-toggle{display:none}}

/* 移动端抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:90;
  display:flex;flex-direction:column;gap:18px;
  padding:20px 20px calc(28px + env(safe-area-inset-bottom));
  background:rgba(12,10,16,.98);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  overflow-y:auto;
  transform:translateY(-100%);
  transition:transform .3s ease;
}
.mobile-drawer.is-open{transform:translateY(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line)}
.drawer-head .logo-text{font-size:17px}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line-strong);font-size:22px;line-height:1;color:var(--text-2)}
.drawer-close:hover{border-color:rgba(255,106,61,.5);color:var(--primary)}
.drawer-nav{display:flex;flex-direction:column}
.drawer-link{
  position:relative;padding:14px 4px 14px 16px;font-size:15.5px;font-weight:500;
  color:var(--text-2);border-bottom:1px solid var(--line);
}
.drawer-link:hover{color:var(--aqua-light)}
.drawer-link.is-active{color:var(--primary)}
.drawer-link.is-active::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:2px;
  background:var(--grad-main);
}
.drawer-cta{margin-top:8px;width:100%}
@media(min-width:1024px){.mobile-drawer{display:none}}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:600;border-radius:999px;white-space:nowrap;text-align:center;
  transition:transform .2s ease,box-shadow .25s ease,background-position .35s ease,color .2s ease,border-color .2s ease,background-color .2s ease;
}
.btn-primary{
  background-image:var(--grad-main);background-size:180% 100%;background-position:0 0;
  color:#fff;box-shadow:0 14px 32px -14px rgba(255,106,61,.85);
}
.btn-primary:hover{background-position:100% 0;transform:translateY(-2px);box-shadow:0 20px 42px -14px rgba(255,106,61,.95)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{
  background:transparent;border:1px solid rgba(23,195,178,.55);color:var(--aqua-light);
}
.btn-ghost:hover{background:rgba(23,195,178,.09);border-color:var(--aqua-light);color:#fff;transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-lg{padding:14px 30px;font-size:16px}
.btn-md{padding:11px 24px;font-size:15px}
.btn-sm{padding:8px 18px;font-size:13.5px}
.btn-block{width:100%}

/* ============ 通用区块 ============ */
.section{position:relative;padding:64px 0}
@media(min-width:1024px){.section{padding:112px 0}}
.section::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent 0%,rgba(255,106,61,.45) 50%,transparent 100%);
}
.sec-head{max-width:760px;margin-bottom:32px}
@media(min-width:1024px){.sec-head{margin-bottom:40px}}
.sec-title{
  position:relative;padding-top:22px;font-size:23px;font-weight:700;line-height:1.32;
  letter-spacing:-.01em;color:#fff;
}
@media(min-width:1024px){.sec-title{font-size:32px}}
.sec-title::before{
  content:"";position:absolute;top:0;left:0;width:28px;height:4px;border-radius:3px;
  background:var(--grad-main);
}
.sec-sub{margin-top:12px;font-size:15px;color:var(--text-2);line-height:1.75}
.grad-text{background:var(--grad-main);-webkit-background-clip:text;background-clip:text;color:transparent}
.chip{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.chip-aqua{background:rgba(23,195,178,.10);color:var(--aqua-light);border:1px solid rgba(23,195,178,.32)}
.chip-brand{background:rgba(255,106,61,.10);color:#FF9A78;border:1px solid rgba(255,106,61,.34)}
.card{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-card);
  transition:transform .3s ease,box-shadow .3s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card),0 0 0 1px rgba(255,106,61,.35)}

/* 滚动显现 */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .5s ease,transform .5s ease}
.reveal.is-in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1 !important;transform:none !important;transition:none !important}
  html{scroll-behavior:auto}
}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:124px 0 68px}
@media(min-width:1024px){.hero{padding:156px 0 96px}}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:url(/assets/images/backpic/back-1.webp);
  background-size:cover;background-position:center;
  opacity:.34;
}
.hero-overlay{
  position:absolute;inset:0;z-index:1;
  background:linear-gradient(90deg,rgba(14,12,17,.97) 0%,rgba(14,12,17,.88) 46%,rgba(14,12,17,.72) 100%);
}
.hero-glow{
  position:absolute;top:-180px;right:-140px;width:660px;height:660px;z-index:1;
  background:radial-gradient(circle,rgba(255,106,61,.16) 0%,rgba(255,106,61,0) 70%);
  pointer-events:none;
}
.hero-grid{position:relative;z-index:2;display:grid;gap:44px}
@media(min-width:1024px){.hero-grid{grid-template-columns:1fr 1fr;align-items:center;gap:52px}}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;
  letter-spacing:.06em;color:var(--aqua-light);
  padding:6px 14px;border-radius:999px;border:1px solid rgba(23,195,178,.3);
  background:rgba(23,195,178,.07);
}
.hero-title{
  margin-top:20px;font-size:30px;font-weight:800;line-height:1.18;letter-spacing:-.02em;color:#fff;
  max-width:14em;
}
@media(min-width:768px){.hero-title{font-size:42px}}
@media(min-width:1280px){.hero-title{font-size:52px}}
.hero-sub{margin-top:18px;font-size:16px;line-height:1.75;color:var(--text-2);max-width:32em}
.badges{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 30px}
.badge{
  display:flex;align-items:baseline;gap:8px;padding:11px 18px;border-radius:16px;
  background:#1D1926;
  border:1px solid transparent;
  background-image:linear-gradient(#1D1926,#1D1926),var(--grad-main);
  background-origin:border-box;background-clip:padding-box,border-box;
}
.badge-num{
  font-size:22px;font-weight:800;line-height:1;font-variant-numeric:tabular-nums;
  background:var(--grad-main);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.badge-label{font-size:12.5px;color:var(--text-2);font-weight:500}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.trust-bar{
  display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:34px;padding-top:22px;
  border-top:1px solid var(--line);font-size:13px;color:var(--text-3);letter-spacing:.02em;
}
.trust-bar span{position:relative;padding-left:14px}
.trust-bar span::before{
  content:"";position:absolute;left:0;top:50%;width:5px;height:5px;margin-top:-2.5px;
  border-radius:50%;background:var(--grad-main);
}
.hero-visual{position:relative}
.hero-visual-frame{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:0 30px 70px -30px rgba(0,0,0,.9);
  background:var(--card);
}
.hero-visual-frame img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hero-visual-cap{
  position:absolute;left:0;right:0;bottom:0;padding:44px 22px 20px;
  background:linear-gradient(180deg,rgba(14,12,17,0) 0%,rgba(14,12,17,.92) 100%);
}
.hero-visual-cap p{margin-top:10px;font-size:14px;color:var(--text-2)}
.hero-visual-badge{
  position:absolute;right:18px;top:-18px;display:flex;flex-direction:column;align-items:center;
  padding:12px 18px;border-radius:18px;background:#1D1926;
  border:1px solid transparent;
  background-image:linear-gradient(#1D1926,#1D1926),var(--grad-aqua);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 18px 40px -18px rgba(0,0,0,.9);
}
.hero-visual-badge strong{font-size:19px;font-weight:800;color:var(--aqua-light);font-variant-numeric:tabular-nums;line-height:1.2}
.hero-visual-badge span{font-size:12px;color:var(--text-2)}

/* ============ 卖点 ============ */
.usp-grid{display:grid;gap:36px}
@media(min-width:1024px){.usp-grid{grid-template-columns:7fr 5fr;gap:48px;align-items:start}}
.usp-copy p{font-size:16.5px;line-height:1.85;color:var(--text-2);margin-bottom:1em}
.usp-copy p:last-of-type{margin-bottom:1.4em}
.point-list{margin-top:6px;display:grid;gap:14px}
.point-list li{
  position:relative;padding-left:24px;font-size:15.5px;font-weight:500;color:var(--text);
}
.point-list li::before{
  content:"";position:absolute;left:0;top:.62em;width:9px;height:9px;border-radius:50%;
  background:var(--grad-main);box-shadow:0 0 12px rgba(255,106,61,.55);
}
.bento{display:grid;gap:16px;grid-template-columns:1fr 1fr}
.bento-big{grid-column:1 / -1}
.bento-card{padding:24px}
.bento-icon{
  display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;
  border-radius:14px;background:rgba(23,195,178,.12);border:1px solid rgba(23,195,178,.3);
  color:var(--aqua-light);font-size:18px;font-weight:700;margin-bottom:16px;
}
.bento-big .bento-icon{background:rgba(255,106,61,.12);border-color:rgba(255,106,61,.34);color:#FF9A78}
.bento-card h3{font-size:19px;font-weight:700;color:#fff;line-height:1.4;margin-bottom:10px}
.bento-card p{font-size:14.5px;line-height:1.75;color:var(--text-2)}

/* ============ 演示 ============ */
.demo-card{
  border-radius:var(--r-lg);padding:1px;
  background:var(--grad-main);
  box-shadow:0 30px 70px -34px rgba(255,106,61,.55);
}
.demo-inner{
  background:linear-gradient(180deg,#1B1723 0%,#141119 100%);
  border-radius:calc(var(--r-lg) - 1px);padding:22px;
}
@media(min-width:1024px){.demo-inner{padding:32px}}
.demo-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}
.demo-tab{
  padding:9px 20px;border-radius:999px;font-size:13.5px;font-weight:600;
  color:var(--text-2);border:1px solid var(--line-strong);background:rgba(255,255,255,.02);
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.demo-tab:hover{color:var(--aqua-light);border-color:rgba(23,195,178,.45)}
.demo-tab.is-active{
  color:#fff;border-color:transparent;background-image:var(--grad-main);
  box-shadow:0 10px 26px -12px rgba(255,106,61,.9);
}
.demo-pane{display:none}
.demo-pane.is-active{display:block;animation:fadeUp .35s ease}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.mock{border-radius:var(--r-md);border:1px solid var(--line);background:#12101A;overflow:hidden}
.mock-top{display:flex;align-items:center;gap:8px;padding:14px 18px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.02)}
.mock-dot{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.16)}
.mock-dot:nth-child(1){background:rgba(255,106,61,.7)}
.mock-dot:nth-child(2){background:rgba(23,195,178,.6)}
.mock-top-title{margin-left:8px;font-size:13px;color:var(--text-3);letter-spacing:.02em}
.mock-body{padding:22px 18px;display:grid;gap:16px}
.mock-field{display:grid;gap:8px}
.mock-key{font-size:12.5px;color:var(--text-3);letter-spacing:.02em}
.mock-line{height:10px;border-radius:6px;background:rgba(255,255,255,.09)}
.mock-line.w45{width:45%}.mock-line.w60{width:60%}.mock-line.w72{width:72%}.mock-line.w85{width:85%}
.mock-line.accent{background:var(--grad-main);opacity:.85}
.mock-line.aqua{background:var(--grad-aqua);opacity:.8}
.mock-flex{display:grid;gap:14px}
@media(min-width:768px){.mock-flex{grid-template-columns:1fr 1fr}}
.mock-tile{
  padding:16px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:rgba(255,255,255,.025);
}
.mock-tile h4{font-size:14.5px;font-weight:600;color:#fff;margin-bottom:8px}
.mock-tile p{font-size:13px;color:var(--text-3);line-height:1.7}
.mock-progress{margin-top:6px;height:8px;border-radius:6px;background:rgba(255,255,255,.08);overflow:hidden}
.mock-progress i{display:block;height:100%;border-radius:6px;background:var(--grad-aqua)}
.mock-tracklist{display:grid;gap:14px}
.mock-trackrow{display:flex;align-items:center;gap:14px}
.mock-num{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;color:#fff;background:var(--grad-main);font-variant-numeric:tabular-nums;
}
.mock-num.done{background:var(--grad-aqua);color:#062822}
.mock-trackbody{flex:1 1 auto;min-width:0}
.mock-trackbody .mock-line{margin-bottom:8px}
.mock-trackbody .mock-line:last-child{margin-bottom:0}

/* ============ 证据 ============ */
.stat-row{display:grid;gap:14px;grid-template-columns:repeat(2,1fr)}
@media(min-width:768px){.stat-row{grid-template-columns:repeat(4,1fr)}}
.stat{
  padding:20px;border-radius:var(--r-md);background:var(--panel);
  border:1px solid var(--line);transition:border-color .25s ease,transform .25s ease;
}
.stat:hover{transform:translateY(-3px);border-color:rgba(255,106,61,.35)}
.stat-num{
  font-size:28px;font-weight:800;line-height:1.1;font-variant-numeric:tabular-nums;
  background:var(--grad-main);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-label{display:block;margin-top:8px;font-size:13px;color:var(--text-2)}
.proof-grid{display:grid;gap:20px;margin-top:32px}
@media(min-width:1024px){
  .proof-grid{grid-template-columns:58fr 42fr;gap:32px;align-items:start}
  .proof-card.offset{margin-top:32px}
}
.proof-card{padding:28px}
@media(min-width:1024px){.proof-card{padding:34px}}
.proof-card h3{font-size:20px;font-weight:700;color:#fff;margin-bottom:12px;line-height:1.45}
.proof-card p{font-size:15px;line-height:1.85;color:var(--text-2)}
.proof-note{
  margin-top:32px;padding:18px 22px;border-radius:var(--r-md);
  border:1px solid var(--line);background:var(--panel);
  font-size:13.5px;color:var(--text-3);letter-spacing:.02em;
}

/* ============ 方案与报价 ============ */
.plan-grid{display:grid;gap:20px}
@media(min-width:768px){.plan-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.plan-grid{grid-template-columns:1fr 1fr 1fr;align-items:start;gap:24px}}
.plan-card{padding:30px 26px;display:flex;flex-direction:column}
@media(min-width:1024px){
  .plan-card.featured{
    transform:scale(1.06) translateY(-16px);
    border:1px solid transparent;
    background-image:linear-gradient(#1D1926,#1D1926),var(--grad-main);
    background-origin:border-box;background-clip:padding-box,border-box;
    box-shadow:0 40px 80px -34px rgba(255,106,61,.55),0 0 0 1px rgba(255,106,61,.2);
    order:0;
  }
  .plan-card.featured:hover{transform:scale(1.06) translateY(-20px)}
  .plan-card.order-first{order:-1}
}
.plan-tag{
  position:absolute;top:-13px;left:26px;
  padding:5px 14px;border-radius:999px;font-size:12px;font-weight:700;color:#fff;
  background-image:var(--grad-main);box-shadow:0 10px 24px -10px rgba(255,106,61,.9);
}
.plan-name{font-size:19px;font-weight:700;color:#fff;margin-bottom:6px}
.plan-desc{font-size:13.5px;color:var(--text-3);line-height:1.7;margin-bottom:20px}
.plan-list{display:grid;gap:11px;margin-bottom:26px}
.plan-list li{position:relative;padding-left:22px;font-size:14.5px;color:var(--text-2);line-height:1.7}
.plan-list li::before{
  content:"";position:absolute;left:0;top:.6em;width:8px;height:8px;border-radius:50%;
  background:var(--grad-aqua);
}
.plan-price{
  margin-top:auto;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:baseline;gap:8px;
}
.plan-price-num{
  font-size:26px;font-weight:800;letter-spacing:-.01em;font-variant-numeric:tabular-nums;
  background:var(--grad-main);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.plan-price-unit{font-size:13.5px;color:var(--text-3)}
.plan-price-note{margin-top:8px;font-size:13px;color:var(--text-3);line-height:1.7;margin-bottom:22px}

/* ============ 最新信息 ============ */
.news-grid{display:grid;gap:20px}
@media(min-width:768px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr);gap:24px}}
.news-card{overflow:hidden;border-radius:var(--r-lg)}
.news-link{display:block;height:100%}
.news-thumb{overflow:hidden;border-radius:var(--r-md);margin:12px 12px 0}
.news-thumb img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  transition:transform .4s ease;
}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:18px 20px 22px}
.news-title{
  margin-top:12px;font-size:17.5px;font-weight:600;line-height:1.45;color:#fff;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .25s ease;
}
.news-card:hover .news-title{color:var(--primary)}
.news-excerpt{
  margin-top:10px;font-size:14px;line-height:1.7;color:var(--text-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:16px;padding-top:14px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);font-weight:500;letter-spacing:.02em;
}
.news-arrow{color:var(--primary);font-size:16px;transition:transform .25s ease}
.news-card:hover .news-arrow{transform:translateX(4px)}
.news-empty{
  display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center;
  padding:56px 24px;border-radius:var(--r-lg);border:1px dashed var(--line-strong);background:var(--panel);
}
.news-empty-icon{
  width:52px;height:52px;border-radius:16px;display:flex;align-items:center;justify-content:center;
  font-size:22px;color:var(--aqua-light);background:rgba(23,195,178,.1);border:1px solid rgba(23,195,178,.3);
}
.news-empty p{font-size:14px;color:var(--text-2)}
.news-foot{display:flex;justify-content:flex-end;margin-top:26px}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px}
.faq-item{
  border-radius:var(--r-md);border:1px solid var(--line);background:var(--card);
  overflow:hidden;transition:border-color .25s ease,background .25s ease;
}
.faq-item[open]{border-color:rgba(255,106,61,.32);background:#201B2A}
.faq-item summary{
  position:relative;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16.5px;font-weight:600;color:#fff;cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:0 0 auto;font-size:20px;font-weight:700;line-height:1;color:var(--primary);
  transition:transform .24s ease;
}
.faq-item[open] summary::after{content:"−"}
.faq-item summary:hover{color:var(--aqua-light)}
.faq-body{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--text-2)}
.faq-item[open] .faq-body{animation:fadeUp .24s ease}
.faq-item[open]::before{
  content:"";position:absolute;
}

/* ============ 表单 CTA ============ */
.cta-section{padding:64px 0 88px}
@media(min-width:1024px){.cta-section{padding:112px 0 128px}}
.cta-shell{display:grid;gap:32px}
@media(min-width:1024px){.cta-shell{grid-template-columns:5fr 7fr;gap:44px;align-items:start}}
.cta-copy h2{position:relative;padding-top:22px;font-size:23px;font-weight:700;line-height:1.34;color:#fff}
@media(min-width:1024px){.cta-copy h2{font-size:30px}}
.cta-copy h2::before{
  content:"";position:absolute;top:0;left:0;width:28px;height:4px;border-radius:3px;background:var(--grad-main);
}
.cta-copy p{margin-top:16px;font-size:15.5px;line-height:1.85;color:var(--text-2)}
.cta-points{display:grid;gap:12px;margin-top:24px}
.cta-points li{position:relative;padding-left:22px;font-size:14.5px;color:var(--text-2)}
.cta-points li::before{
  content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;border-radius:50%;background:var(--grad-aqua);
}
.form-card{
  background:var(--cream);color:var(--ink);border-radius:var(--r-lg);padding:26px;
  box-shadow:0 34px 80px -34px rgba(0,0,0,.85);
}
@media(min-width:768px){.form-card{padding:36px}}
.form-card h3{font-size:19px;font-weight:700;color:var(--ink);margin-bottom:6px}
.form-hint{font-size:13.5px;color:rgba(34,30,40,.62);line-height:1.7;margin-bottom:22px}
.form-row{display:grid;gap:16px}
@media(min-width:640px){.form-row.two{grid-template-columns:1fr 1fr}}
.field{display:grid;gap:8px;margin-bottom:16px}
.field label{font-size:13.5px;font-weight:600;color:rgba(34,30,40,.82)}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:14px;font-size:14.5px;color:var(--ink);
  background:#fff;border:1px solid rgba(34,30,40,.16);
  transition:border-color .2s ease,box-shadow .2s ease;
  font-family:inherit;
}
.field textarea{resize:vertical;min-height:112px;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,106,61,.22);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{
  border-color:#FF2E63;box-shadow:0 0 0 3px rgba(255,46,99,.16);
}
.field-msg{font-size:13px;color:#E0245A;display:none}
.field.has-error .field-msg{display:block}
.form-actions{margin-top:6px}
.form-note{margin-top:14px;font-size:12.5px;color:rgba(34,30,40,.55);line-height:1.7}
.form-success{
  display:none;margin-top:16px;padding:14px 16px;border-radius:14px;
  background:rgba(23,195,178,.14);border:1px solid rgba(23,195,178,.4);
  font-size:13.5px;color:#0B5B52;
}
.form-success.is-shown{display:block}

/* ============ 页脚 ============ */
.site-footer{position:relative;background:#0B0910;padding-top:56px}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent 0%,rgba(255,106,61,.5) 50%,transparent 100%);
}
.footer-grid{display:grid;gap:32px;padding-bottom:40px}
@media(min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px}}
.footer-logo{margin-bottom:14px}
.footer-desc{font-size:14px;color:var(--text-3);line-height:1.75;max-width:20em}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col li,.footer-col a{font-size:14px;color:var(--text-3);line-height:1.7}
.footer-col a{transition:color .2s ease}
.footer-col a:hover{color:var(--aqua-light)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 22px;justify-content:space-between;align-items:center;
  padding:22px 20px 30px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--text-3);
}
@media(min-width:768px){.footer-bottom{padding-left:24px;padding-right:24px}}
@media(min-width:1024px){.footer-bottom{padding-left:32px;padding-right:32px}}
@media(max-width:1023px){.site-footer{padding-bottom:calc(78px + env(safe-area-inset-bottom))}}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(20,17,26,.97);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-top:1px solid rgba(255,106,61,.4);
  transform:translateY(180%);
  opacity:1;
  transition:transform .35s ease,opacity .35s ease;
}
.float-cta.is-visible{transform:translateY(0)}
.fc-text{display:flex;align-items:center;gap:9px;font-size:14px;font-weight:600;color:var(--text)}
.fc-btn{
  flex:0 0 auto;padding:9px 20px;border-radius:999px;font-size:13.5px;font-weight:700;color:#fff;
  background-image:var(--grad-main);box-shadow:0 12px 26px -12px rgba(255,106,61,.9);
}
.pulse-dot{
  flex:0 0 auto;width:8px;height:8px;border-radius:50%;background:#fff;
  animation:pulse 2s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(255,255,255,.55)}
  70%{box-shadow:0 0 0 10px rgba(255,255,255,0)}
  100%{box-shadow:0 0 0 0 rgba(255,255,255,0)}
}
@media(min-width:1024px){
  .float-cta{
    left:auto;right:24px;bottom:24px;border-top:0;border-radius:999px;padding:13px 24px;
    background-image:var(--grad-main);background-color:transparent;
    box-shadow:0 18px 42px -14px rgba(255,106,61,.95),0 0 0 1px rgba(255,106,61,.35);
    transform:translateY(calc(100% + 48px));opacity:0;
    -webkit-backdrop-filter:none;backdrop-filter:none;
  }
  .float-cta.is-visible{transform:translateY(0);opacity:1}
  .fc-text{color:#fff}
  .fc-btn{display:none}
}

/* roulang page: article */
:root{
  --bg:#0E0C11;
  --panel:#17141D;
  --card:#1D1926;
  --line:rgba(255,255,255,.08);
  --brand:#FF6A3D;
  --brand-deep:#E24E22;
  --magenta:#FF2E63;
  --aq:#17C3B2;
  --aq-light:#6EE7D0;
  --warm:#F7F3EE;
  --ink:#221E28;
  --text:#FFFFFF;
  --muted:rgba(255,255,255,.62);
  --muted-2:rgba(255,255,255,.45);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --shadow-card:0 24px 60px -28px rgba(0,0,0,.75);
  --grad-brand:linear-gradient(118deg,#FF6A3D 0%,#FF2E63 100%);
  --grad-aq:linear-gradient(118deg,#17C3B2 0%,#6EE7D0 100%);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  padding-top:76px;
  background:var(--bg);
  color:var(--text);
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(720px 420px at 82% -6%, rgba(255,106,61,.10), transparent 70%),
    radial-gradient(560px 360px at 6% 12%, rgba(23,195,178,.07), transparent 72%);
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;position:relative;z-index:1}
@media (min-width:768px){.container{padding:0 24px}}
@media (min-width:1024px){.container{padding:0 32px}}

/* ---------- 顶栏 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:90;height:72px;
  background:rgba(14,12,17,.85);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:height .28s ease,background .28s ease;
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,106,61,.6),transparent);
}
.site-header.is-scrolled{height:60px;background:rgba(14,12,17,.94)}
.header-inner{display:flex;align-items:center;gap:18px;height:100%}
.logo{display:inline-flex;align-items:center;gap:10px;transition:filter .2s ease}
.logo:hover{filter:brightness(1.12)}
.logo-mark{width:34px;height:34px;flex:none}
.logo-text{font-size:18px;font-weight:700;letter-spacing:.01em}
.footer-logo{margin-bottom:12px}
.nav-main{
  display:none;
  align-items:center;
  gap:4px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 12px;
  font-size:14px;
  font-weight:500;
  color:var(--muted);
  border-radius:999px;
  transition:color .2s ease,background .2s ease;
  white-space:nowrap;
}
.nav-link:hover{color:var(--aq-light);background:rgba(255,255,255,.04)}
.nav-link.is-active{color:var(--brand)}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--grad-brand);
  box-shadow:0 0 12px rgba(255,106,61,.85);
}
.nav-sep{width:1px;height:18px;background:var(--line);margin:0 8px}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
@media (min-width:1024px){.nav-main{display:flex}.header-actions{margin-left:18px}}
.nav-toggle{
  width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);
  display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  background:rgba(255,255,255,.03);
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:#fff;transition:transform .25s ease,opacity .25s ease}
.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-open .nav-toggle span:nth-child(2){opacity:0}
.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media (min-width:1024px){.nav-toggle{display:none}}
@media (max-width:1023px){
  .nav-open .nav-main{
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:2px;
    position:fixed;
    top:72px;left:0;right:0;bottom:0;
    padding:22px 20px 40px;
    margin:0;
    background:rgba(11,9,14,.98);
    backdrop-filter:blur(8px);
    overflow-y:auto;
    z-index:88;
  }
  .nav-open .nav-link{
    padding:14px 16px;font-size:16px;border-radius:12px;
    border-left:3px solid transparent;
  }
  .nav-open .nav-link.is-active{border-left-color:var(--brand);background:rgba(255,106,61,.08)}
  .nav-open .nav-link.is-active::after{display:none}
  .nav-open .nav-sep{width:100%;height:1px;margin:12px 0}
  .nav-open body{overflow:hidden}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:999px;
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .25s ease,background-position .45s ease,color .2s ease,border-color .2s ease,background-color .2s ease;
}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-primary{
  background-image:var(--grad-brand);
  background-size:180% 180%;
  background-position:0% 50%;
  color:#fff;
  box-shadow:0 12px 30px -14px rgba(255,46,99,.75);
}
.btn-primary:hover{background-position:100% 50%;transform:translateY(-2px);box-shadow:0 18px 38px -14px rgba(255,46,99,.9)}
.btn-primary:active{transform:translateY(-1px)}
.btn-outline{
  background:transparent;
  border-color:rgba(23,195,178,.55);
  color:var(--aq-light);
}
.btn-outline:hover{border-color:var(--aq-light);color:#fff;background:rgba(23,195,178,.12);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(-1px)}
.btn-block{width:100%}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted-2);
  padding:28px 0 22px;
}
.breadcrumb a{color:var(--muted);transition:color .2s ease}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:rgba(255,255,255,.25)}
.breadcrumb .current{color:var(--brand);max-width:52vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头 ---------- */
.article-hero{padding-bottom:8px}
.article-head{max-width:860px}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 14px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.tag-aq{background:rgba(23,195,178,.1);border:1px solid rgba(23,195,178,.45);color:var(--aq-light)}
.tag-brand{background:rgba(255,106,61,.1);border:1px solid rgba(255,106,61,.45);color:#FFA184}
.article-title{
  margin:20px 0 18px;
  font-size:30px;line-height:1.25;font-weight:800;letter-spacing:-.02em;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
@media (min-width:768px){.article-title{font-size:40px}}
@media (min-width:1024px){.article-title{font-size:50px;line-height:1.15}}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;font-weight:500;color:var(--muted-2);letter-spacing:.02em}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--brand)}
.cover-figure{
  position:relative;margin:34px 0 0;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
}
.cover-figure img{width:100%;aspect-ratio:21/9;object-fit:cover}
.cover-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,12,17,0) 40%,rgba(14,12,17,.72) 100%);
}
.cover-caption{
  position:absolute;left:22px;bottom:16px;z-index:2;
  font-size:13px;color:rgba(255,255,255,.82);
}

/* ---------- 阅读岛 ---------- */
.reading-section{padding:56px 0 0}
.reading-island{
  max-width:760px;margin:0 auto;
  background:var(--warm);
  border-radius:var(--r-lg);
  padding:28px 22px;
  box-shadow:0 40px 90px -40px rgba(0,0,0,.9);
}
@media (min-width:768px){.reading-island{padding:44px 42px}}
@media (min-width:1024px){.reading-island{padding:56px}}
.article-body{
  color:var(--ink);
  font-size:16.5px;
  line-height:1.9;
  overflow-wrap:break-word;
  word-break:break-word;
}
.article-body p{margin:0 0 1.1em}
.article-body h2{
  position:relative;
  margin:2em 0 .8em;
  padding-left:16px;
  font-size:23px;line-height:1.35;font-weight:700;color:#1B1723;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:4px;
  background:var(--grad-brand);
}
@media (min-width:768px){.article-body h2{font-size:26px}}
.article-body h3{
  margin:1.6em 0 .6em;
  padding-bottom:.32em;
  font-size:19px;font-weight:600;color:#0F7A6E;
  border-bottom:1px solid rgba(23,195,178,.35);
}
.article-body h4{margin:1.4em 0 .5em;font-size:17px;font-weight:600;color:#2C2733}
.article-body blockquote{
  margin:1.4em 0;padding:16px 20px;
  background:#EFEAE4;
  border-left:4px solid var(--brand);
  border-radius:0 12px 12px 0;
  color:#3A3441;font-weight:500;
}
.article-body img{width:100%;height:auto;border-radius:16px;margin:1.5em 0 .5em}
.article-body figcaption{font-size:13px;text-align:center;color:#6B6470;margin-bottom:1.3em}
.article-body a{color:var(--brand-deep);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--magenta)}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.4em}
.article-body ul li{position:relative;list-style:none;margin:.45em 0}
.article-body ul li::before{
  content:"";position:absolute;left:-1.05em;top:.72em;
  width:7px;height:7px;border-radius:50%;
  background:var(--grad-brand);
}
.article-body ol{list-style:none;counter-reset:item}
.article-body ol li{position:relative;counter-increment:item;margin:.5em 0;padding-left:.2em}
.article-body ol li::before{
  content:counter(item);
  position:absolute;left:-1.6em;top:.28em;
  width:20px;height:20px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;color:#fff;
  background:var(--grad-brand);
}
.article-body table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15px;overflow:hidden;border-radius:12px}
.article-body th{background:#E9E2DA;font-weight:600;text-align:left}
.article-body td,.article-body th{padding:10px 14px;border:1px solid #E0D8D0}
.article-body tbody tr:nth-child(even) td{background:#F1ECE6}
.article-body hr{border:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,106,61,.5),transparent);margin:2em 0}
@media (max-width:640px){
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;-webkit-overflow-scrolling:touch}
}

/* 空态 */
.empty-state{text-align:center;padding:44px 10px}
.empty-icon{
  width:58px;height:58px;margin:0 auto 18px;border-radius:18px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(23,195,178,.12);border:1px solid rgba(23,195,178,.4);
}
.empty-title{font-size:20px;font-weight:700;color:#1B1723;margin-bottom:8px}
.empty-desc{font-size:14px;line-height:1.7;color:#6B6470;margin-bottom:20px}
.empty-state .btn-outline{border-color:rgba(226,78,34,.5);color:var(--brand-deep)}
.empty-state .btn-outline:hover{background:rgba(226,78,34,.1);color:var(--brand-deep);border-color:var(--brand-deep)}

/* ---------- 文末 ---------- */
.article-foot{
  max-width:760px;margin:34px auto 0;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
}
.tag-list{display:flex;flex-wrap:wrap;gap:8px}
.tag-list .tag{border-color:rgba(255,255,255,.16);background:rgba(255,255,255,.04);color:var(--muted)}

/* ---------- 相关推荐 ---------- */
.related-section{padding:64px 0 0}
.section-head{margin-bottom:30px;max-width:720px}
.section-title{
  position:relative;padding-left:16px;
  font-size:23px;font-weight:700;line-height:1.3;
}
.section-title::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:4px;
  background:var(--grad-brand);
}
@media (min-width:768px){.section-title{font-size:30px}}
.section-sub{margin-top:12px;font-size:14.5px;color:var(--muted)}
.rel-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:768px){.rel-grid{grid-template-columns:repeat(3,1fr);gap:22px}}
.rel-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.rel-card:hover{transform:translateY(-4px);border-color:rgba(255,106,61,.35);box-shadow:0 28px 60px -28px rgba(255,106,61,.35)}
.rel-cover{position:relative;overflow:hidden}
.rel-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease}
.rel-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,12,17,0) 45%,rgba(14,12,17,.62) 100%);
  transition:background .3s ease;
}
.rel-card:hover .rel-cover img{transform:scale(1.03)}
.rel-body{padding:18px 20px 22px}
.rel-body h3{
  margin-top:12px;
  font-size:17px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.rel-card:hover .rel-body h3{color:var(--brand)}
.rel-more{
  margin-top:14px;display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;color:var(--aq-light);
}
.rel-more svg{transition:transform .25s ease}
.rel-card:hover .rel-more svg{transform:translateX(4px)}

/* ---------- 表单 CTA ---------- */
.cta-section{padding:88px 0 0}
.cta-card{
  background:var(--warm);
  border-radius:var(--r-lg);
  padding:30px 22px;
  color:var(--ink);
  box-shadow:0 40px 90px -44px rgba(0,0,0,.95);
}
@media (min-width:768px){.cta-card{padding:44px 40px}}
@media (min-width:1024px){.cta-card{padding:52px 56px}}
.cta-layout{display:grid;grid-template-columns:1fr;gap:34px}
@media (min-width:1024px){.cta-layout{grid-template-columns:5fr 6fr;gap:48px}}
.cta-tag{display:inline-block;padding:5px 13px;border-radius:999px;font-size:12.5px;font-weight:600;background:rgba(226,78,34,.1);border:1px solid rgba(226,78,34,.35);color:var(--brand-deep)}
.cta-title{margin:16px 0 12px;font-size:24px;font-weight:800;line-height:1.3;color:#1B1723}
@media (min-width:768px){.cta-title{font-size:30px}}
.cta-text{font-size:15px;line-height:1.8;color:#5B5462;margin-bottom:22px}
.cta-points li{position:relative;padding-left:24px;margin-bottom:10px;font-size:15px;color:#3A3441}
.cta-points li::before{
  content:"";position:absolute;left:0;top:.55em;width:10px;height:10px;border-radius:50%;
  background:var(--grad-aq);
}
.form-grid{display:grid;grid-template-columns:1fr;gap:16px}
@media (min-width:640px){.form-grid{grid-template-columns:1fr 1fr}.form-grid .span-2{grid-column:span 2}}
.field label{display:block;font-size:13.5px;font-weight:600;color:#3A3441;margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;padding:11px 14px;
  border-radius:14px;
  border:1px solid #D8CFC6;
  background:#fff;
  color:var(--ink);
  font-size:14.5px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:104px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,106,61,.18);
}
.field.is-invalid input,.field.is-invalid select,.field.is-invalid textarea{border-color:var(--magenta)}
.field-error{display:none;margin-top:6px;font-size:13px;color:var(--magenta)}
.field.is-invalid .field-error{display:block}
.chip-group{display:flex;flex-wrap:wrap;gap:8px}
.chip input{position:absolute;opacity:0;pointer-events:none}
.chip span{
  display:inline-block;padding:8px 15px;border-radius:999px;
  border:1px solid #D8CFC6;background:#fff;
  font-size:13.5px;color:#4A4350;cursor:pointer;
  transition:all .2s ease;
}
.chip input:checked + span{border-color:var(--brand);background:rgba(255,106,61,.1);color:var(--brand-deep);font-weight:600}
.chip input:focus-visible + span{outline:2px solid var(--brand);outline-offset:2px}
.form-note{font-size:12.5px;color:#7A7381;line-height:1.7}
.form-actions{display:flex;flex-direction:column;gap:12px;align-items:flex-start}
@media (min-width:640px){.form-actions{flex-direction:row;align-items:center;justify-content:space-between}}
.form-msg{font-size:13px;color:#0F7A6E;font-weight:600;display:none}
.form-msg.show{display:block}

/* ---------- 浮动 CTA / 返回顶部 ---------- */
.float-cta{
  position:fixed;z-index:80;
  left:16px;right:16px;bottom:0;
  height:56px;
  padding:0 18px calc(env(safe-area-inset-bottom, 0px));
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  background-image:var(--grad-brand);
  background-size:180% 180%;
  color:#fff;
  border-radius:16px 16px 0 0;
  font-size:15px;font-weight:600;
  box-shadow:0 -8px 34px -12px rgba(255,46,99,.8);
  opacity:0;transform:translateY(20px);pointer-events:none;
  transition:opacity .35s ease,transform .35s ease;
}
.float-cta.show{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta .cta-left{display:flex;align-items:center;gap:9px}
.pulse-dot{width:9px;height:9px;border-radius:50%;background:#fff;box-shadow:0 0 0 0 rgba(255,255,255,.8);animation:pulse 2s infinite}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(255,255,255,.7)}
  70%{box-shadow:0 0 0 10px rgba(255,255,255,0)}
  100%{box-shadow:0 0 0 0 rgba(255,255,255,0)}
}
.float-cta .cta-mini{
  padding:7px 15px;border-radius:999px;background:#fff;color:var(--brand-deep);
  font-size:13.5px;font-weight:700;
}
@media (min-width:1024px){
  .float-cta{
    left:auto;right:24px;bottom:24px;
    height:52px;border-radius:999px;padding:0 22px;
    justify-content:flex-start;
    box-shadow:0 20px 42px -16px rgba(255,46,99,.85),0 0 0 1px rgba(255,255,255,.14);
  }
  .float-cta .cta-mini{display:none}
}
.back-top{
  position:fixed;right:22px;bottom:96px;z-index:70;
  width:46px;height:46px;border-radius:999px;
  display:none;align-items:center;justify-content:center;
  background:rgba(29,25,38,.92);
  border:1px solid var(--line);
  color:var(--muted);
  transition:color .2s ease,border-color .2s ease,transform .2s ease;
}
.back-top.show{display:flex}
.back-top:hover{color:var(--brand);border-color:rgba(255,106,61,.45);transform:translateY(-2px)}
@media (max-width:1023px){.back-top{bottom:76px;right:14px}}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;
  position:relative;
  background:#0B090E;
  border-top:1px solid var(--line);
  padding-top:56px;
}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,106,61,.65),transparent);
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px;padding-bottom:44px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}}
.footer-desc{font-size:14px;color:var(--muted-2);max-width:260px}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px}
.footer-col ul li{margin-bottom:10px;font-size:14px;color:var(--muted)}
.footer-col ul li a{color:var(--muted);transition:color .2s ease}
.footer-col ul li a:hover{color:var(--brand)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  padding:20px 20px 30px;
  border-top:1px solid var(--line);
  font-size:12.5px;color:var(--muted-2);
}
@media (min-width:768px){.footer-bottom{padding-left:24px;padding-right:24px}}
@media (min-width:1024px){.footer-bottom{padding-left:32px;padding-right:32px}}

/* ---------- 滚动显现 ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .5s ease,transform .5s ease}
.reveal.is-visible{opacity:1;transform:translateY(0)}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  .float-cta{transition:none}
}
@media (max-width:1023px){
  body{padding-bottom:64px}
}

/* roulang page: category1 */
:root{
    --bg:#0E0C11;
    --panel:#17141D;
    --card:#1D1926;
    --line:rgba(255,255,255,.08);
    --brand:#FF6A3D;
    --brand-deep:#E24E22;
    --magenta:#FF2E63;
    --aqua:#17C3B2;
    --aqua-light:#6EE7D0;
    --cream:#F7F3EE;
    --ink:#221E28;
    --text:#F5F2F0;
    --muted:rgba(255,255,255,.62);
    --muted-2:rgba(255,255,255,.44);
    --grad-main:linear-gradient(118deg,#FF6A3D 0%,#FF2E63 100%);
    --grad-aqua:linear-gradient(118deg,#17C3B2 0%,#6EE7D0 100%);
    --r-lg:24px;
    --r-md:18px;
    --r-sm:12px;
    --shadow-card:0 24px 60px -28px rgba(0,0,0,.75);
    --container:1240px;
    --header-h:72px;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    font-size:16px;
    line-height:1.8;
    overflow-x:hidden;
    padding-bottom:0;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease;}
  button{font:inherit;color:inherit;background:none;border:none;cursor:pointer;}
  input,select,textarea{font:inherit;}
  h1,h2,h3,h4,p,ul,ol{margin:0;}
  ul,ol{padding:0;list-style:none;}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
  .num{font-variant-numeric:tabular-nums;}

  .container{
    width:100%;
    max-width:var(--container);
    margin:0 auto;
    padding-left:20px;
    padding-right:20px;
  }

  /* ============ 顶栏 ============ */
  .site-header{
    position:fixed;
    top:0;left:0;right:0;
    z-index:90;
    height:var(--header-h);
    background:rgba(14,12,17,.85);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    transition:height .28s ease,background .28s ease;
  }
  .site-header::after{
    content:"";
    position:absolute;left:0;right:0;bottom:0;height:1px;
    background:linear-gradient(90deg,transparent,rgba(255,106,61,.75) 50%,transparent);
  }
  .site-header.is-scrolled{height:60px;background:rgba(10,8,12,.94);}
  .header-inner{
    height:100%;
    display:flex;
    align-items:center;
    gap:20px;
  }
  .logo{display:inline-flex;align-items:center;gap:10px;}
  .logo-mark{width:34px;height:34px;flex:none;}
  .logo-text{
    font-size:18px;
    font-weight:700;
    letter-spacing:.01em;
    color:#fff;
    transition:color .2s ease;
  }
  .logo:hover .logo-text{color:var(--brand);}

  .nav-main{
    display:flex;
    align-items:center;
    gap:4px;
    margin-left:auto;
    flex-wrap:nowrap;
  }
  .nav-link{
    position:relative;
    display:inline-block;
    padding:8px 12px;
    font-size:14.5px;
    font-weight:500;
    color:var(--muted);
    border-radius:999px;
    white-space:nowrap;
  }
  .nav-link::after{
    content:"";
    position:absolute;
    left:12px;right:12px;bottom:1px;
    height:2px;
    border-radius:2px;
    background:var(--grad-main);
    transform:scaleX(0);
    transform-origin:left;
    transition:transform .24s ease;
    box-shadow:0 0 12px rgba(255,106,61,.75);
  }
  .nav-link:hover{color:var(--aqua-light);}
  .nav-link:hover::after{transform:scaleX(1);}
  .nav-link.is-active{color:var(--brand);font-weight:600;}
  .nav-link.is-active::after{transform:scaleX(1);}
  .nav-sep{width:1px;height:20px;background:var(--line);margin:0 6px;}

  .header-cta{
    margin-left:12px;
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:9px 18px;
    border-radius:999px;
    background:var(--grad-main);
    background-size:160% 100%;
    color:#fff;
    font-size:14px;
    font-weight:600;
    white-space:nowrap;
    transition:background-position .3s ease,transform .2s ease,box-shadow .3s ease;
    box-shadow:0 10px 26px -14px rgba(255,46,99,.9);
  }
  .header-cta:hover{background-position:100% 0;transform:translateY(-2px);box-shadow:0 14px 30px -12px rgba(255,46,99,.95);}

  .nav-toggle{
    display:none;
    width:42px;height:42px;
    border-radius:12px;
    border:1px solid var(--line);
    align-items:center;
    justify-content:center;
    margin-left:auto;
  }
  .nav-toggle span{
    position:relative;display:block;width:18px;height:2px;border-radius:2px;background:#fff;
    transition:transform .24s ease,opacity .24s ease;
  }
  .nav-toggle span::before,
  .nav-toggle span::after{
    content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:#fff;
    transition:transform .24s ease;
  }
  .nav-toggle span::before{top:-6px;}
  .nav-toggle span::after{top:6px;}
  .nav-toggle.is-open span{transform:rotate(45deg);}
  .nav-toggle.is-open span::before{transform:translateY(6px) rotate(-90deg);}
  .nav-toggle.is-open span::after{opacity:0;}

  .mobile-drawer{
    position:fixed;
    top:var(--header-h);left:0;right:0;bottom:0;
    z-index:88;
    background:rgba(11,9,14,.98);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    padding:18px 20px 40px;
    display:none;
    overflow-y:auto;
  }
  .mobile-drawer.is-open{display:block;}
  .mobile-drawer .drawer-link{
    display:block;
    padding:15px 14px;
    border-bottom:1px solid var(--line);
    font-size:16px;
    font-weight:500;
    color:rgba(255,255,255,.82);
  }
  .mobile-drawer .drawer-link.is-active{
    color:var(--brand);
    border-left:3px solid var(--brand);
    padding-left:12px;
  }
  .mobile-drawer .drawer-cta{
    margin-top:24px;
    display:block;
    text-align:center;
    padding:14px;
    border-radius:999px;
    background:var(--grad-main);
    color:#fff;
    font-weight:600;
  }

  /* ============ 浮动 CTA ============ */
  .float-cta{
    position:fixed;
    right:24px;
    bottom:24px;
    z-index:80;
    display:flex;
    align-items:center;
    gap:10px;
    opacity:0;
    transform:translateY(16px);
    pointer-events:none;
    transition:opacity .35s ease,transform .35s ease;
  }
  .float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto;}
  .float-cta-text{display:none;}
  .float-cta-btn{
    display:inline-flex;
    align-items:center;
    gap:9px;
    padding:13px 24px;
    border-radius:999px;
    background:var(--grad-main);
    background-size:160% 100%;
    color:#fff;
    font-size:15px;
    font-weight:600;
    box-shadow:0 0 0 1px rgba(255,106,61,.35),0 18px 40px -16px rgba(255,46,99,.95);
    transition:background-position .3s ease,transform .2s ease,box-shadow .3s ease;
  }
  .float-cta-btn:hover{background-position:100% 0;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(255,106,61,.6),0 22px 46px -14px rgba(255,46,99,1);}
  .pulse-dot{
    width:8px;height:8px;border-radius:50%;
    background:#fff;
    box-shadow:0 0 0 0 rgba(255,255,255,.7);
    animation:pulse 1.9s infinite;
  }
  @keyframes pulse{
    0%{box-shadow:0 0 0 0 rgba(255,255,255,.65);}
    70%{box-shadow:0 0 0 9px rgba(255,255,255,0);}
    100%{box-shadow:0 0 0 0 rgba(255,255,255,0);}
  }

  /* ============ 面包屑 ============ */
  .breadcrumb{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:8px;
    font-size:13px;
    color:var(--muted-2);
    margin:24px 0 0;
  }
  .breadcrumb a:hover{color:var(--brand);}
  .breadcrumb .sep{opacity:.5;}
  .breadcrumb .current{color:var(--brand);font-weight:600;}

  /* ============ Hero ============ */
  .page-hero{
    position:relative;
    padding:calc(var(--header-h) + 34px) 0 64px;
    overflow:hidden;
  }
  .page-hero-bg{
    position:absolute;inset:0;
    background-image:url('/assets/images/backpic/back-1.webp');
    background-size:cover;
    background-position:center 32%;
    opacity:.5;
  }
  .page-hero::after{
    content:"";
    position:absolute;inset:0;
    background:
      radial-gradient(720px 340px at 12% 8%,rgba(255,106,61,.16),transparent 70%),
      linear-gradient(180deg,rgba(14,12,17,.72) 0%,rgba(14,12,17,.9) 55%,rgba(14,12,17,1) 100%);
  }
  .page-hero .container{position:relative;z-index:2;}
  .hero-eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:6px 14px;
    border-radius:999px;
    border:1px solid rgba(23,195,178,.4);
    background:rgba(23,195,178,.08);
    color:var(--aqua-light);
    font-size:13px;
    font-weight:600;
    letter-spacing:.02em;
  }
  .hero-title{
    margin-top:20px;
    font-size:clamp(30px,4.4vw,52px);
    font-weight:800;
    line-height:1.15;
    letter-spacing:-.02em;
    max-width:16em;
  }
  .hero-title .grad{
    background:var(--grad-main);
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
  }
  .hero-sub{
    margin-top:18px;
    font-size:17px;
    color:var(--muted);
    max-width:34em;
  }
  .hero-actions{
    margin-top:30px;
    display:flex;
    flex-wrap:wrap;
    gap:14px;
  }

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:14px 28px;
    border-radius:999px;
    font-size:15px;
    font-weight:600;
    cursor:pointer;
    transition:background-position .3s ease,transform .2s ease,box-shadow .3s ease,color .2s ease,border-color .2s ease,background-color .2s ease;
  }
  .btn-primary{
    background:var(--grad-main);
    background-size:170% 100%;
    background-position:0 0;
    color:#fff;
    box-shadow:0 14px 34px -16px rgba(255,46,99,.95);
  }
  .btn-primary:hover{background-position:100% 0;transform:translateY(-2px);box-shadow:0 20px 42px -14px rgba(255,46,99,1);}
  .btn-primary:active{transform:translateY(1px);}
  .btn-ghost{
    border:1px solid rgba(23,195,178,.55);
    color:var(--aqua-light);
    background:transparent;
  }
  .btn-ghost:hover{
    background:rgba(23,195,178,.08);
    border-color:var(--aqua-light);
    color:#fff;
    transform:translateY(-2px);
  }
  .btn-sm{padding:10px 20px;font-size:14px;}

  /* ============ 分类交叉导航 ============ */
  .cross-nav{
    display:flex;
    flex-wrap:wrap;
    gap:12px;
    margin-top:38px;
    padding-top:26px;
    border-top:1px solid var(--line);
  }
  .cross-pill{
    display:inline-flex;
    align-items:center;
    gap:9px;
    padding:10px 20px;
    border-radius:999px;
    border:1px solid var(--line);
    background:rgba(255,255,255,.02);
    font-size:14px;
    color:var(--muted);
    transition:all .24s ease;
  }
  .cross-pill:hover{
    border-color:rgba(23,195,178,.5);
    color:var(--aqua-light);
    transform:translateY(-2px);
  }
  .cross-pill.is-current{
    border-color:rgba(255,106,61,.6);
    background:rgba(255,106,61,.1);
    color:#fff;
    font-weight:600;
    box-shadow:0 0 0 1px rgba(255,106,61,.2);
  }
  .cross-pill .dot{width:6px;height:6px;border-radius:50%;background:var(--grad-main);}

  /* ============ 分区通用 ============ */
  .section{padding:88px 0;position:relative;}
  .section-tight{padding:64px 0;}
  .section-head{max-width:760px;}
  .section-head h2{
    position:relative;
    padding-top:20px;
    font-size:clamp(23px,2.8vw,34px);
    font-weight:700;
    line-height:1.3;
    letter-spacing:-.01em;
  }
  .section-head h2::before{
    content:"";
    position:absolute;
    top:0;left:0;
    width:28px;height:4px;
    border-radius:4px;
    background:var(--grad-main);
  }
  .section-head p{
    margin-top:14px;
    font-size:15.5px;
    color:var(--muted);
  }
  .neon-line{
    height:1px;
    background:linear-gradient(90deg,transparent,rgba(255,106,61,.6) 50%,transparent);
  }

  /* ============ 交错图文行 ============ */
  .alt-list{margin-top:56px;}
  .alt-row{
    display:grid;
    grid-template-columns:repeat(12,1fr);
    gap:48px;
    align-items:center;
    margin-bottom:80px;
  }
  .alt-row:last-child{margin-bottom:0;}
  .alt-media{grid-column:span 5;position:relative;}
  .alt-body{grid-column:span 7;}
  .alt-row.is-flip .alt-media{grid-column:span 7;order:2;}
  .alt-row.is-flip .alt-body{grid-column:span 5;order:1;}

  .media-frame{
    position:relative;
    border-radius:var(--r-lg);
    overflow:hidden;
    border:1px solid var(--line);
    box-shadow:var(--shadow-card);
    background:var(--card);
  }
  .media-frame img{
    width:100%;
    aspect-ratio:4/3;
    object-fit:cover;
    transition:transform .5s ease;
  }
  .media-frame::after{
    content:"";
    position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(14,12,17,0) 42%,rgba(14,12,17,.78) 100%);
  }
  .alt-row:hover .media-frame img{transform:scale(1.03);}
  .media-tag{
    position:absolute;
    left:16px;bottom:16px;
    z-index:2;
    display:inline-flex;
    align-items:center;
    gap:7px;
    padding:6px 14px;
    border-radius:999px;
    background:rgba(14,12,17,.72);
    border:1px solid rgba(23,195,178,.45);
    color:var(--aqua-light);
    font-size:12.5px;
    font-weight:600;
  }
  .alt-index{
    display:inline-flex;
    align-items:center;
    gap:10px;
    font-size:13px;
    font-weight:600;
    letter-spacing:.06em;
    color:var(--muted-2);
    text-transform:uppercase;
  }
  .alt-index b{
    font-size:14px;
    background:var(--grad-main);
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
  }
  .alt-body h3{
    margin-top:12px;
    font-size:clamp(20px,2.2vw,25px);
    font-weight:600;
    line-height:1.4;
  }
  .alt-body p{
    margin-top:14px;
    font-size:15.5px;
    color:var(--muted);
    line-height:1.85;
  }
  .point-list{margin-top:20px;display:grid;gap:10px;}
  .point-list li{
    position:relative;
    padding-left:20px;
    font-size:14.5px;
    color:rgba(255,255,255,.78);
  }
  .point-list li::before{
    content:"";
    position:absolute;
    left:0;top:.68em;
    width:8px;height:8px;
    border-radius:50%;
    background:var(--grad-main);
    box-shadow:0 0 10px rgba(255,106,61,.7);
  }

  /* ============ 数据徽章带 ============ */
  .proof-band{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:16px;
    margin-top:40px;
  }
  .proof-badge{
    padding:22px 20px;
    border-radius:var(--r-md);
    background:var(--card);
    border:1px solid transparent;
    background-image:linear-gradient(var(--card),var(--card)),var(--grad-main);
    background-origin:border-box;
    background-clip:padding-box,border-box;
    box-shadow:var(--shadow-card);
    transition:transform .24s ease,box-shadow .24s ease;
  }
  .proof-badge:hover{transform:translateY(-4px);box-shadow:0 0 0 1px rgba(255,106,61,.35),var(--shadow-card);}
  .proof-badge .value{
    font-size:clamp(24px,3vw,32px);
    font-weight:800;
    letter-spacing:-.02em;
    background:var(--grad-main);
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
    line-height:1.1;
  }
  .proof-badge .label{
    display:block;
    margin-top:8px;
    font-size:12.5px;
    color:var(--muted);
    letter-spacing:.02em;
  }

  /* ============ 适用场景 ============ */
  .scene-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:20px;
    margin-top:44px;
  }
  .scene-card{
    padding:26px 24px;
    border-radius:var(--r-md);
    background:var(--panel);
    border:1px solid var(--line);
    transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
  }
  .scene-card:hover{
    transform:translateY(-4px);
    border-color:rgba(255,106,61,.35);
    box-shadow:0 0 0 1px rgba(255,106,61,.35),var(--shadow-card);
  }
  .scene-icon{
    width:44px;height:44px;
    border-radius:14px;
    background:var(--grad-aqua);
    display:flex;align-items:center;justify-content:center;
    color:#0E0C11;
    font-weight:800;
    font-size:15px;
  }
  .scene-card h3{margin-top:16px;font-size:18px;font-weight:600;}
  .scene-card p{margin-top:10px;font-size:14.5px;color:var(--muted);}

  /* ============ 实施节奏 ============ */
  .steps{
    margin-top:44px;
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:20px;
    position:relative;
  }
  .step{
    padding:26px 24px;
    border-radius:var(--r-md);
    background:var(--card);
    border:1px solid var(--line);
    position:relative;
    overflow:hidden;
  }
  .step::before{
    content:"";
    position:absolute;top:0;left:0;right:0;height:3px;
    background:var(--grad-main);
    opacity:.85;
  }
  .step .step-no{
    font-size:13px;
    font-weight:700;
    letter-spacing:.08em;
    color:var(--aqua-light);
  }
  .step h3{margin-top:10px;font-size:19px;font-weight:600;}
  .step p{margin-top:10px;font-size:14.5px;color:var(--muted);}
  .step .dur{
    display:inline-block;
    margin-top:16px;
    padding:5px 12px;
    border-radius:999px;
    border:1px solid rgba(255,106,61,.4);
    color:var(--brand);
    font-size:12.5px;
    font-weight:600;
  }

  /* ============ FAQ ============ */
  .faq-list{margin-top:40px;display:grid;gap:12px;}
  .faq-item{
    position:relative;
    border-radius:var(--r-md);
    background:var(--card);
    border:1px solid var(--line);
    overflow:hidden;
    transition:border-color .24s ease;
  }
  .faq-item::before{
    content:"";
    position:absolute;
    left:0;top:0;bottom:0;width:3px;
    background:var(--grad-main);
    opacity:0;
    transition:opacity .24s ease;
  }
  .faq-item.is-open{border-color:rgba(255,106,61,.32);}
  .faq-item.is-open::before{opacity:1;}
  .faq-q{
    width:100%;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:18px;
    padding:20px 22px;
    text-align:left;
    font-size:16.5px;
    font-weight:600;
    line-height:1.6;
  }
  .faq-icon{
    position:relative;
    flex:none;
    width:20px;height:20px;
  }
  .faq-icon::before,
  .faq-icon::after{
    content:"";
    position:absolute;
    left:50%;top:50%;
    background:var(--brand);
    border-radius:2px;
    transform:translate(-50%,-50%);
    transition:transform .24s ease,opacity .24s ease;
  }
  .faq-icon::before{width:14px;height:2px;}
  .faq-icon::after{width:2px;height:14px;}
  .faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
  .faq-a{
    display:grid;
    grid-template-rows:0fr;
    transition:grid-template-rows .24s ease;
  }
  .faq-item.is-open .faq-a{grid-template-rows:1fr;}
  .faq-a-inner{overflow:hidden;}
  .faq-a p{
    padding:0 22px 22px;
    font-size:15px;
    line-height:1.8;
    color:var(--muted);
  }

  /* ============ 表单 CTA ============ */
  .contact-section{padding:88px 0 96px;}
  .form-island{
    background:var(--cream);
    color:var(--ink);
    border-radius:var(--r-lg);
    padding:44px;
    display:grid;
    grid-template-columns:5fr 7fr;
    gap:44px;
    box-shadow:0 40px 90px -40px rgba(0,0,0,.9);
  }
  .form-island h2{
    font-size:clamp(22px,2.4vw,30px);
    font-weight:700;
    line-height:1.35;
    color:var(--ink);
    letter-spacing:-.01em;
  }
  .form-island .lead{
    margin-top:14px;
    font-size:15px;
    line-height:1.8;
    color:rgba(34,30,40,.72);
  }
  .form-side-list{margin-top:24px;display:grid;gap:12px;}
  .form-side-list li{
    position:relative;
    padding-left:20px;
    font-size:14.5px;
    color:rgba(34,30,40,.8);
  }
  .form-side-list li::before{
    content:"";
    position:absolute;left:0;top:.62em;
    width:8px;height:8px;border-radius:50%;
    background:var(--grad-main);
  }
  .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
  .field{display:flex;flex-direction:column;gap:8px;}
  .field.full{grid-column:1/-1;}
  .field label{font-size:13.5px;font-weight:600;color:rgba(34,30,40,.86);}
  .field input,
  .field select,
  .field textarea{
    width:100%;
    padding:12px 14px;
    border-radius:14px;
    border:1px solid rgba(34,30,40,.18);
    background:#fff;
    color:var(--ink);
    font-size:14.5px;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .field textarea{min-height:112px;resize:vertical;}
  .field input:focus,
  .field select:focus,
  .field textarea:focus{
    outline:none;
    border-color:var(--brand);
    box-shadow:0 0 0 3px rgba(255,106,61,.2);
  }
  .chip-group{display:flex;flex-wrap:wrap;gap:10px;}
  .chip{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:9px 16px;
    border-radius:999px;
    border:1px solid rgba(34,30,40,.2);
    background:#fff;
    font-size:14px;
    color:rgba(34,30,40,.8);
    cursor:pointer;
    transition:all .2s ease;
  }
  .chip:hover{border-color:var(--brand);}
  .chip input{position:absolute;opacity:0;pointer-events:none;}
  .chip.is-checked{
    border-color:var(--brand);
    background:rgba(255,106,61,.12);
    color:#B83A14;
    font-weight:600;
  }
  .field .error-text{
    display:none;
    font-size:13px;
    color:#D81E4A;
  }
  .field.is-error input,
  .field.is-error textarea{border-color:#FF2E63;box-shadow:0 0 0 3px rgba(255,46,99,.16);}
  .field.is-error .error-text{display:block;}
  .form-actions{margin-top:22px;display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
  .form-actions .btn-primary{flex:1 1 200px;}
  .form-note{font-size:12.5px;color:rgba(34,30,40,.58);}
  .form-success{
    display:none;
    margin-top:16px;
    padding:12px 16px;
    border-radius:14px;
    background:rgba(23,195,178,.14);
    border:1px solid rgba(23,195,178,.5);
    color:#0D6B60;
    font-size:14px;
  }
  .form-success.is-visible{display:block;}

  /* ============ 页脚 ============ */
  .site-footer{
    position:relative;
    background:#0B090F;
    padding-top:56px;
  }
  .site-footer::before{
    content:"";
    position:absolute;top:0;left:0;right:0;height:1px;
    background:linear-gradient(90deg,transparent,rgba(255,106,61,.7) 50%,transparent);
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.4fr 1fr 1fr 1.1fr;
    gap:32px;
    padding-bottom:44px;
  }
  .footer-logo{margin-bottom:14px;}
  .footer-desc{
    font-size:14px;
    color:var(--muted);
    max-width:22em;
  }
  .footer-title{
    font-size:14px;
    font-weight:600;
    color:#fff;
    margin-bottom:14px;
  }
  .footer-col ul{display:grid;gap:10px;}
  .footer-col li{
    font-size:14px;
    color:var(--muted);
  }
  .footer-col a{font-size:14px;color:var(--muted);}
  .footer-col a:hover{color:var(--brand);}
  .footer-bottom{
    display:flex;
    flex-wrap:wrap;
    justify-content:space-between;
    gap:10px;
    padding:20px 20px 30px;
    border-top:1px solid var(--line);
  }
  .footer-bottom p{
    font-size:12.5px;
    color:var(--muted-2);
  }

  /* ============ 滚动显现 ============ */
  .reveal{
    opacity:0;
    transform:translateY(24px);
    transition:opacity .5s ease,transform .5s ease;
  }
  .reveal.is-in{opacity:1;transform:translateY(0);}

  @media (prefers-reduced-motion:reduce){
    html{scroll-behavior:auto;}
    .reveal{opacity:1;transform:none;transition:none;}
    .pulse-dot{animation:none;}
    *{transition-duration:.001ms !important;animation-duration:.001ms !important;}
  }

  /* ============ 响应式 ============ */
  @media (max-width:1023px){
    .nav-main,.header-cta{display:none;}
    .nav-toggle{display:flex;}
    .alt-row{gap:32px;}
    .alt-media,.alt-row.is-flip .alt-media{grid-column:span 6;}
    .alt-body,.alt-row.is-flip .alt-body{grid-column:span 6;}
    .proof-band{grid-template-columns:repeat(2,1fr);}
    .scene-grid{grid-template-columns:repeat(2,1fr);}
    .steps{grid-template-columns:repeat(2,1fr);}
    .form-island{grid-template-columns:1fr;padding:34px;gap:30px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  }

  @media (max-width:767px){
    body{padding-bottom:56px;}
    .page-hero{padding-top:calc(var(--header-h) + 18px);padding-bottom:48px;}
    .section{padding:64px 0;}
    .section-tight{padding:48px 0;}
    .alt-row{
      grid-template-columns:1fr;
      gap:22px;
      margin-bottom:56px;
    }
    .alt-media,
    .alt-body,
    .alt-row.is-flip .alt-media,
    .alt-row.is-flip .alt-body{grid-column:span 1;order:0;}
    .scene-grid{grid-template-columns:1fr;}
    .steps{grid-template-columns:1fr;}
    .proof-band{grid-template-columns:1fr 1fr;gap:12px;}
    .form-island{padding:24px;border-radius:20px;}
    .form-grid{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr;gap:24px;}
    .footer-bottom{flex-direction:column;align-items:flex-start;}

    .float-cta{
      right:0;left:0;bottom:0;
      padding:10px 16px calc(10px + env(safe-area-inset-bottom,0px));
      background:rgba(11,9,14,.96);
      border-top:1px solid rgba(255,106,61,.35);
      justify-content:space-between;
      gap:12px;
    }
    .float-cta-text{
      display:block;
      font-size:14px;
      font-weight:600;
      color:#fff;
    }
    .float-cta-btn{padding:11px 20px;font-size:14px;}
  }

  @media (max-width:519px){
    .container{padding-left:16px;padding-right:16px;}
    .proof-band{grid-template-columns:1fr;}
    .hero-actions .btn{width:100%;}
    .cross-pill{font-size:13px;padding:9px 15px;}
  }

/* roulang page: category2 */
:root{
  --bg:#0E0C11;
  --panel:#17141D;
  --card:#1D1926;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --brand:#FF6A3D;
  --brand-deep:#E24E22;
  --magenta:#FF2E63;
  --aqua:#17C3B2;
  --aqua-light:#6EE7D0;
  --cream:#F7F3EE;
  --cream-ink:#221E28;
  --text:#F5F2F5;
  --muted:rgba(255,255,255,.62);
  --muted-2:rgba(255,255,255,.42);
  --grad-brand:linear-gradient(118deg,#FF6A3D 0%,#FF2E63 100%);
  --grad-aqua:linear-gradient(118deg,#17C3B2 0%,#6EE7D0 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --shadow:0 24px 60px -28px rgba(0,0,0,.75);
  --font:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  overflow-x:hidden;
  padding-bottom:0;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
strong{font-variant-numeric:tabular-nums}

.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:768px){ .container{padding-left:24px;padding-right:24px} }
@media (min-width:1024px){ .container{padding-left:32px;padding-right:32px} }

:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
  border-radius:4px;
}

/* ============ 顶栏 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(14,12,17,.85);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.site-header::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:1px;
  background:linear-gradient(90deg,transparent 0%,rgba(255,106,61,.65) 50%,transparent 100%);
  pointer-events:none;
}
.header-inner{
  display:flex;
  align-items:center;
  gap:18px;
  height:72px;
  transition:height .25s ease;
}
.site-header.is-scrolled .header-inner{height:60px}
.site-header.is-scrolled{background:rgba(14,12,17,.95)}

.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{width:32px;height:32px;transition:filter .25s ease}
.logo-text{
  font-size:18px;
  font-weight:700;
  letter-spacing:.01em;
  color:var(--text);
  transition:color .25s ease;
}
.logo:hover .logo-text{color:#fff}
.logo:hover .logo-mark{filter:drop-shadow(0 0 8px rgba(255,106,61,.55))}

.nav-main{
  display:flex;
  align-items:center;
  gap:2px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 12px;
  border-radius:999px;
  font-size:14.5px;
  font-weight:500;
  color:rgba(255,255,255,.72);
  transition:color .22s ease,background-color .22s ease;
  white-space:nowrap;
}
.nav-link:hover{color:var(--aqua-light);background:rgba(23,195,178,.08)}
.nav-link.is-active{color:var(--brand)}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:2px;
  transform:translateX(-50%);
  width:22px;
  height:2px;
  border-radius:2px;
  background:var(--grad-brand);
  box-shadow:0 0 10px rgba(255,106,61,.85);
}
.nav-sep{width:1px;height:20px;background:var(--line-strong);margin:0 8px;flex:0 0 auto}

.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  padding:12px 26px;
  cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background-position .45s ease,color .22s ease,border-color .22s ease,background-color .22s ease;
  background-position:0% 50%;
  background-size:160% 100%;
  text-align:center;
}
.btn.btn-primary{
  background-image:var(--grad-brand);
  color:#fff;
  box-shadow:0 14px 34px -16px rgba(255,46,99,.85);
}
.btn.btn-primary:hover{
  background-position:100% 50%;
  transform:translateY(-2px);
  box-shadow:0 18px 40px -14px rgba(255,46,99,.95);
}
.btn.btn-primary:active{transform:translateY(1px)}
.btn.btn-ghost{
  background-color:transparent;
  border-color:rgba(23,195,178,.55);
  color:var(--aqua-light);
}
.btn.btn-ghost:hover{
  border-color:var(--aqua-light);
  color:#EAFEF9;
  background-color:rgba(23,195,178,.1);
  transform:translateY(-2px);
}
.btn.btn-ghost:active{transform:translateY(1px)}
.btn.btn-sm{padding:9px 18px;font-size:14px}
.btn.btn-block{width:100%}

.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.04);
  color:var(--text);
  cursor:pointer;
  align-items:center;
  justify-content:center;
  font-size:17px;
}
.nav-toggle:hover{border-color:rgba(255,106,61,.6);color:var(--brand)}

.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:90;
  background:rgba(12,10,15,.98);
  backdrop-filter:blur(10px);
  padding:96px 24px 40px;
  display:flex;
  flex-direction:column;
  gap:6px;
  transform:translateY(-10px);
  opacity:0;
  pointer-events:none;
  transition:opacity .26s ease,transform .26s ease;
  overflow-y:auto;
}
.mobile-drawer.is-open{opacity:1;transform:none;pointer-events:auto}
.mobile-drawer .drawer-link{
  display:block;
  padding:14px 14px;
  border-radius:14px;
  font-size:16px;
  color:rgba(255,255,255,.82);
  border-left:3px solid transparent;
  background:rgba(255,255,255,.03);
  margin-bottom:8px;
}
.mobile-drawer .drawer-link:hover{background:rgba(255,255,255,.06)}
.mobile-drawer .drawer-link.is-active{
  color:var(--brand);
  border-left-color:var(--brand);
  background:rgba(255,106,61,.08);
}
.mobile-drawer .drawer-close{
  position:absolute;
  top:22px;right:22px;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--line-strong);
  background:transparent;
  color:var(--text);
  font-size:18px;
  cursor:pointer;
}
.drawer-sep{height:1px;background:linear-gradient(90deg,transparent,rgba(255,106,61,.5),transparent);margin:12px 0 16px}

/* ============ 面包屑 ============ */
.breadcrumb-wrap{padding-top:24px}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:500;
  letter-spacing:.02em;
  color:var(--muted-2);
}
.breadcrumb a{color:var(--muted);transition:color .2s ease}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:rgba(255,255,255,.24)}
.breadcrumb .current{color:var(--brand)}

/* ============ Hero ============ */
.hero{
  position:relative;
  overflow:hidden;
  padding:56px 0 64px;
  border-bottom:1px solid var(--line);
}
.hero-bg{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  opacity:.5;
}
.hero-bg::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg,rgba(14,12,17,.97) 0%,rgba(14,12,17,.9) 45%,rgba(14,12,17,.6) 100%);
}
.hero-glow{
  position:absolute;
  top:-140px;left:-80px;
  width:620px;height:620px;
  background:radial-gradient(circle,rgba(255,106,61,.14) 0%,rgba(255,106,61,0) 68%);
  pointer-events:none;
}
.hero-grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1fr;
  gap:40px;
  align-items:center;
}
@media (min-width:1024px){
  .hero-grid{grid-template-columns:1.15fr .85fr;gap:56px}
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.04em;
  color:var(--aqua-light);
  padding:6px 14px;
  border-radius:999px;
  border:1px solid rgba(23,195,178,.4);
  background:rgba(23,195,178,.08);
  margin-bottom:20px;
}
.eyebrow::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--grad-aqua);
}
.hero h1{
  font-size:clamp(30px,5.2vw,50px);
  font-weight:800;
  line-height:1.15;
  letter-spacing:-.02em;
  color:#fff;
  margin-bottom:18px;
}
.grad-text{
  background:var(--grad-brand);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-sub{
  font-size:16.5px;
  line-height:1.8;
  color:var(--muted);
  max-width:560px;
  margin-bottom:28px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px}

.badge-row{display:flex;flex-wrap:wrap;gap:12px}
.stat-badge{
  position:relative;
  min-width:132px;
  padding:14px 20px 12px;
  border-radius:var(--r-md);
  background:rgba(29,25,38,.85);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(29,25,38,.92),rgba(29,25,38,.92)),var(--grad-brand);
  background-origin:border-box;
  background-clip:padding-box,border-box;
}
.stat-badge strong{
  display:block;
  font-size:26px;
  font-weight:800;
  line-height:1.2;
  letter-spacing:-.01em;
  color:#fff;
}
.stat-badge span{
  display:block;
  font-size:12.5px;
  font-weight:500;
  letter-spacing:.02em;
  color:var(--muted);
}

.hero-visual{
  position:relative;
  margin:0;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.hero-visual img{
  width:100%;
  height:280px;
  object-fit:cover;
  transition:transform .5s ease;
}
@media (min-width:768px){ .hero-visual img{height:340px} }
.hero-visual::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(14,12,17,0) 40%,rgba(14,12,17,.88) 100%);
  pointer-events:none;
}
.hero-visual figcaption{
  position:absolute;
  left:20px;right:20px;bottom:16px;
  z-index:2;
  font-size:13px;
  letter-spacing:.02em;
  color:rgba(255,255,255,.78);
}

/* ============ 分类交叉导航 ============ */
.cat-tabs-wrap{padding:36px 0 0}
.cat-tabs{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.cat-tab{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 20px;
  border-radius:999px;
  font-size:14px;
  font-weight:600;
  color:rgba(255,255,255,.72);
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.03);
  transition:all .24s ease;
}
.cat-tab i{font-size:12px;color:var(--aqua)}
.cat-tab:hover{
  color:#fff;
  border-color:rgba(23,195,178,.6);
  background:rgba(23,195,178,.1);
  transform:translateY(-2px);
}
.cat-tab.is-current{
  color:#fff;
  background-image:var(--grad-brand);
  border-color:transparent;
  box-shadow:0 14px 32px -18px rgba(255,46,99,.9);
}
.cat-tab.is-current i{color:#fff}

/* ============ 分区通用 ============ */
.section{padding:64px 0}
@media (min-width:1024px){ .section{padding:112px 0} }
.section-head{margin-bottom:36px;max-width:760px}
.section-title{
  position:relative;
  padding-top:18px;
  font-size:clamp(23px,3.4vw,34px);
  font-weight:700;
  line-height:1.3;
  letter-spacing:-.01em;
  color:#fff;
}
.section-title::before{
  content:"";
  position:absolute;
  top:0;left:0;
  width:28px;height:4px;
  border-radius:2px;
  background:var(--grad-brand);
}
.section-desc{
  margin-top:14px;
  font-size:15.5px;
  line-height:1.85;
  color:var(--muted);
}

/* ============ Bento 拼贴 ============ */
.bento{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:18px;
}
.bento-card{
  position:relative;
  grid-column:span 12;
  padding:26px;
  border-radius:var(--r-lg);
  background:var(--card);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  overflow:hidden;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.bento-card:hover{
  transform:translateY(-4px);
  border-color:rgba(255,106,61,.35);
  box-shadow:var(--shadow),0 0 0 1px rgba(255,106,61,.35);
}
.bento-icon{
  width:44px;height:44px;
  border-radius:14px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:17px;
  color:#04211F;
  background-image:var(--grad-aqua);
  margin-bottom:18px;
}
.bento-card h3{
  font-size:19px;
  font-weight:600;
  line-height:1.4;
  color:#fff;
  margin-bottom:10px;
}
.bento-card p{
  font-size:14.5px;
  line-height:1.8;
  color:var(--muted);
}
.bento-meta{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:18px;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.02em;
  padding:5px 12px;
  border-radius:999px;
  color:var(--aqua-light);
  background:rgba(23,195,178,.1);
  border:1px solid rgba(23,195,178,.3);
}
.chip.chip-brand{
  color:#FFD8CB;
  background:rgba(255,106,61,.12);
  border-color:rgba(255,106,61,.38);
}
.bento-card.is-big{
  padding:0;
  display:flex;
  flex-direction:column;
}
.bento-card.is-big .bento-media{
  position:relative;
  height:210px;
  overflow:hidden;
}
.bento-card.is-big .bento-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .55s ease;
}
.bento-card.is-big:hover .bento-media img{transform:scale(1.03)}
.bento-card.is-big .bento-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(29,25,38,.2) 0%,rgba(29,25,38,.95) 100%);
}
.bento-body{padding:24px 26px 26px}
.bento-card.is-big .bento-icon{margin-bottom:16px}

@media (min-width:768px){
  .bento-card.is-big{grid-column:span 7;grid-row:span 2;grid-column:span 7}
  .bento-card.b-top{grid-column:span 5}
  .bento-card.b-mid{grid-column:span 5}
  .bento-card.b-low{grid-column:span 6}
  .bento-card.b-low2{grid-column:span 6}
}

/* ============ 落地环节对照 ============ */
.step-list{display:flex;flex-direction:column;gap:14px}
.step-row{
  display:grid;
  grid-template-columns:1fr;
  gap:14px;
  padding:24px 26px;
  border-radius:var(--r-md);
  background:var(--panel);
  border:1px solid var(--line);
  transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;
}
.step-row:hover{
  transform:translateY(-3px);
  border-color:rgba(23,195,178,.35);
  box-shadow:var(--shadow);
}
.step-no{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:42px;height:42px;
  border-radius:14px;
  font-size:15px;
  font-weight:700;
  color:#fff;
  background:rgba(255,106,61,.14);
  border:1px solid rgba(255,106,61,.4);
  flex:0 0 auto;
}
.step-row h3{
  font-size:18px;
  font-weight:600;
  color:#fff;
  margin-bottom:8px;
}
.step-row p{
  font-size:14.5px;
  line-height:1.8;
  color:var(--muted);
}
@media (min-width:768px){
  .step-row{grid-template-columns:auto 1fr;align-items:flex-start;gap:22px}
}

/* ============ 证据带 ============ */
.proof-band{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:14px;
  margin-bottom:34px;
}
@media (min-width:768px){ .proof-band{grid-template-columns:repeat(4,1fr)} }
.proof-item{
  padding:20px 22px;
  border-radius:var(--r-md);
  background:linear-gradient(rgba(29,25,38,.94),rgba(29,25,38,.94)) padding-box,
             var(--grad-brand) border-box;
  border:1px solid transparent;
}
.proof-item strong{
  display:block;
  font-size:28px;
  font-weight:800;
  line-height:1.2;
  letter-spacing:-.01em;
  color:#fff;
}
.proof-item span{
  display:block;
  font-size:12.5px;
  color:var(--muted);
  letter-spacing:.02em;
}
.proof-cards{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
}
@media (min-width:900px){ .proof-cards{grid-template-columns:58% 42%;gap:24px} }
.proof-card{
  border-radius:var(--r-lg);
  overflow:hidden;
  background:var(--card);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  transition:transform .28s ease,border-color .28s ease;
}
.proof-card:hover{transform:translateY(-4px);border-color:rgba(255,106,61,.35)}
.proof-card img{width:100%;height:220px;object-fit:cover}
.proof-card .proof-body{padding:24px 26px 26px}
.proof-card h3{font-size:19px;font-weight:600;color:#fff;margin-bottom:10px}
.proof-card p{font-size:14.5px;line-height:1.85;color:var(--muted)}
.proof-card.is-offset{margin-top:0}
@media (min-width:900px){
  .proof-card.is-offset{margin-top:32px}
}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  border-radius:var(--r-md);
  background:var(--card);
  border:1px solid var(--line);
  overflow:hidden;
  transition:border-color .24s ease,box-shadow .24s ease;
}
.faq-item[open]{
  border-color:rgba(255,106,61,.4);
  box-shadow:0 0 0 1px rgba(255,106,61,.28);
  background-image:linear-gradient(90deg,rgba(255,106,61,.14) 0%,rgba(255,46,99,0) 12%);
}
.faq-q{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 24px;
  font-size:16.5px;
  font-weight:600;
  color:#fff;
  cursor:pointer;
  list-style:none;
  transition:color .24s ease;
}
.faq-q::-webkit-details-marker{display:none}
.faq-item:hover .faq-q{color:#FFD8CB}
.faq-icon{
  position:relative;
  width:18px;height:18px;
  flex:0 0 auto;
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  border-radius:2px;
  background:var(--grad-brand);
  transition:transform .24s ease,opacity .24s ease;
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item[open] .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{
  padding:0 24px 22px;
  font-size:15px;
  line-height:1.85;
  color:var(--muted);
}

/* ============ 表单 CTA ============ */
.form-card{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
  padding:32px 24px;
  border-radius:var(--r-lg);
  background:var(--cream);
  color:var(--cream-ink);
  box-shadow:0 40px 80px -40px rgba(0,0,0,.9);
}
@media (min-width:768px){ .form-card{padding:44px} }
@media (min-width:1024px){
  .form-card{grid-template-columns:1fr 1fr;gap:52px;padding:56px}
}
.form-intro .eyebrow{
  color:#B33A16;
  border-color:rgba(226,78,34,.35);
  background:rgba(255,106,61,.12);
}
.form-intro h2{
  font-size:clamp(22px,3vw,30px);
  font-weight:700;
  line-height:1.32;
  letter-spacing:-.01em;
  color:var(--cream-ink);
  margin-bottom:14px;
}
.form-intro p{
  font-size:15px;
  line-height:1.85;
  color:rgba(34,30,40,.72);
}
.form-points{margin-top:22px;display:flex;flex-direction:column;gap:10px}
.form-points li{
  position:relative;
  padding-left:20px;
  font-size:14.5px;
  line-height:1.7;
  color:rgba(34,30,40,.78);
}
.form-points li::before{
  content:"";
  position:absolute;
  left:0;top:10px;
  width:8px;height:8px;
  border-radius:50%;
  background:var(--grad-brand);
}

.lead-form{display:flex;flex-direction:column;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{
  font-size:14px;
  font-weight:600;
  color:rgba(34,30,40,.82);
}
.field input[type="text"],
.field input[type="tel"],
.field textarea{
  width:100%;
  padding:12px 16px;
  border-radius:14px;
  border:1px solid rgba(34,30,40,.18);
  background:#fff;
  color:var(--cream-ink);
  font-size:15px;
  font-family:inherit;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.field textarea{min-height:104px;resize:vertical;line-height:1.7}
.field input:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(255,106,61,.22);
}
.field.is-invalid input,
.field.is-invalid textarea{
  border-color:var(--magenta);
  box-shadow:0 0 0 3px rgba(255,46,99,.16);
}
.field-error{
  display:none;
  font-size:13px;
  line-height:1.6;
  color:#C4244F;
}
.field.is-invalid .field-error{display:block}

.pill-group{display:flex;flex-wrap:wrap;gap:10px}
.pill{position:relative;display:inline-flex;align-items:center}
.pill input{position:absolute;opacity:0;width:0;height:0}
.pill span{
  display:inline-block;
  padding:9px 18px;
  border-radius:999px;
  border:1px solid rgba(34,30,40,.18);
  background:#fff;
  font-size:14px;
  font-weight:500;
  color:rgba(34,30,40,.78);
  cursor:pointer;
  transition:all .22s ease;
}
.pill input:checked + span{
  border-color:transparent;
  color:#fff;
  background-image:var(--grad-brand);
  box-shadow:0 10px 24px -14px rgba(255,46,99,.9);
}
.pill input:focus-visible + span{
  outline:2px solid var(--brand);
  outline-offset:2px;
}
.form-note{
  font-size:13px;
  line-height:1.7;
  color:rgba(34,30,40,.55);
}
.form-success{
  display:none;
  padding:14px 18px;
  border-radius:14px;
  font-size:14px;
  color:#0B5C51;
  background:rgba(23,195,178,.16);
  border:1px solid rgba(23,195,178,.45);
}
.form-success.is-shown{display:block}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  margin-top:64px;
  background:#0B0A0E;
  padding-top:56px;
}
@media (min-width:1024px){ .site-footer{margin-top:112px;padding-top:72px} }
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,transparent 0%,rgba(255,106,61,.6) 50%,transparent 100%);
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
  padding-bottom:36px;
}
@media (min-width:768px){ .footer-grid{grid-template-columns:repeat(2,1fr);gap:36px} }
@media (min-width:1024px){ .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px} }
.footer-logo{margin-bottom:14px}
.footer-desc{
  font-size:14px;
  line-height:1.8;
  color:var(--muted);
  max-width:240px;
}
.footer-title{
  font-size:14px;
  font-weight:600;
  color:#fff;
  margin-bottom:14px;
  letter-spacing:.02em;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col li,
.footer-col a{
  font-size:14px;
  color:var(--muted);
  line-height:1.7;
}
.footer-col a{transition:color .22s ease}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:8px 24px;
  justify-content:space-between;
  padding-top:20px;
  padding-bottom:76px;
  border-top:1px solid var(--line);
}
@media (min-width:1024px){ .footer-bottom{padding-bottom:32px} }
.footer-bottom p{
  font-size:12.5px;
  line-height:1.7;
  color:var(--muted-2);
}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;
  right:0;left:0;bottom:0;
  z-index:70;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:10px 18px calc(10px + env(safe-area-inset-bottom,0px));
  background:rgba(17,14,22,.96);
  backdrop-filter:blur(12px);
  border-top:1px solid rgba(255,106,61,.35);
  transform:translateY(100%);
  opacity:0;
  transition:opacity .3s ease,transform .3s ease;
}
.float-cta.is-visible{opacity:1;transform:translateY(0)}
.float-cta .float-label{
  font-size:14px;
  font-weight:600;
  color:var(--text);
  display:flex;
  align-items:center;
  gap:8px;
}
.pulse-dot{
  position:relative;
  width:9px;height:9px;
  border-radius:50%;
  background:var(--grad-brand);
  flex:0 0 auto;
}
.pulse-dot::after{
  content:"";
  position:absolute;
  inset:-5px;
  border-radius:50%;
  border:1px solid rgba(255,106,61,.6);
  animation:pulse 2s infinite;
}
@keyframes pulse{
  0%{transform:scale(.7);opacity:.9}
  70%{transform:scale(1.5);opacity:0}
  100%{transform:scale(1.5);opacity:0}
}
@media (min-width:768px){
  .float-cta{
    left:auto;
    right:24px;
    bottom:24px;
    border-radius:999px;
    border:1px solid rgba(255,106,61,.45);
    box-shadow:0 0 24px rgba(255,106,61,.35),0 20px 40px -22px rgba(0,0,0,.9);
    padding:9px 12px 9px 20px;
    transform:translateY(24px);
  }
  .float-cta.is-visible{transform:translateY(0)}
}

/* ============ 滚动显现 ============ */
.reveal{
  opacity:0;
  transform:translateY(24px);
  transition:opacity .5s ease,transform .5s ease;
}
.reveal.is-visible{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .pulse-dot::after{animation:none}
  *{transition-duration:.01ms !important}
}

@media (max-width:1023px){
  .nav-main{display:none}
  .header-cta-desktop{display:none}
  .nav-toggle{display:inline-flex}
}
@media (max-width:767px){
  .hero{padding:32px 0 48px}
  .proof-band{grid-template-columns:1fr 1fr}
  .hero-visual img{height:200px}
}

/* roulang page: category3 */
:root{
  --bg:#0E0C11;
  --panel:#17141D;
  --card:#1D1926;
  --line:rgba(255,255,255,.08);
  --brand:#FF6A3D;
  --brand-deep:#E24E22;
  --magenta:#FF2E63;
  --aq:#17C3B2;
  --aq-light:#6EE7D0;
  --cream:#F7F3EE;
  --ink:#221E28;
  --t1:#FFFFFF;
  --t2:rgba(255,255,255,.72);
  --t3:rgba(255,255,255,.5);
  --grad-brand:linear-gradient(118deg,#FF6A3D 0%,#FF2E63 100%);
  --grad-aq:linear-gradient(118deg,#17C3B2 0%,#6EE7D0 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --shadow-card:0 24px 60px -28px rgba(0,0,0,.75);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--t1);
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;}
.container{width:100%;max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:768px){.container{padding-left:24px;padding-right:24px;}}
@media (min-width:1024px){.container{padding-left:32px;padding-right:32px;}}

.skip-link{
  position:absolute;left:16px;top:-60px;z-index:120;
  background:var(--grad-brand);color:#fff;padding:10px 18px;border-radius:999px;
  font-size:14px;transition:top .2s;
}
.skip-link:focus{top:14px;}

/* ============ 顶栏 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(14,12,17,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  transition:background .3s;
}
.site-header::after{
  content:'';display:block;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,106,61,.6) 35%,rgba(255,46,99,.6) 65%,transparent);
}
.site-header.is-scrolled{background:rgba(11,10,14,.95);}
.header-inner{
  display:flex;align-items:center;gap:18px;
  height:72px;transition:height .3s ease;
}
.site-header.is-scrolled .header-inner{height:60px;}

.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{width:34px;height:34px;flex:0 0 34px;transition:transform .3s ease;}
.logo:hover .logo-mark{transform:translateY(-1px) rotate(-4deg);}
.logo-text{font-size:18px;font-weight:700;letter-spacing:.01em;color:#fff;transition:opacity .2s;}
.logo:hover .logo-text{opacity:.85;}

.nav-main{display:none;}
@media (min-width:1024px){
  .nav-main{display:flex;align-items:center;gap:2px;margin-left:auto;}
}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:8px 12px;font-size:14.5px;font-weight:500;
  color:var(--t2);border-radius:999px;
  transition:color .2s ease,background-color .2s ease;
  white-space:nowrap;
}
.nav-link:hover{color:var(--aq-light);background:rgba(23,195,178,.08);}
.nav-link.is-active{color:#fff;}
.nav-link.is-active::after{
  content:'';position:absolute;left:12px;right:12px;bottom:1px;height:2px;border-radius:2px;
  background:var(--grad-brand);box-shadow:0 0 14px rgba(255,106,61,.85);
}
.nav-sep{width:1px;height:20px;background:var(--line);margin:0 10px;}

.header-cta{display:none;}
@media (min-width:640px){.header-cta{display:inline-flex;}}

.hamburger{
  margin-left:auto;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  display:grid;place-content:center;gap:5px;cursor:pointer;
  transition:border-color .2s,background-color .2s;
}
.hamburger:hover{border-color:rgba(255,106,61,.5);background:rgba(255,106,61,.08);}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:#fff;transition:transform .25s ease,opacity .2s ease;}
.hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hamburger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
@media (min-width:1024px){.hamburger{display:none;}}

.drawer{
  position:fixed;left:0;right:0;top:72px;bottom:0;z-index:70;
  background:rgba(11,10,14,.98);
  padding:20px 20px 40px;
  opacity:0;transform:translateY(-10px);pointer-events:none;
  transition:opacity .25s ease,transform .25s ease;
  overflow-y:auto;
}
.drawer.is-open{opacity:1;transform:none;pointer-events:auto;}
.drawer a{
  display:block;padding:14px 16px;border-radius:14px;
  font-size:15.5px;color:var(--t2);
  border-bottom:1px solid var(--line);
  position:relative;
}
.drawer a:hover{color:#fff;background:rgba(255,255,255,.04);}
.drawer a.is-active{color:#fff;background:rgba(255,106,61,.1);}
.drawer a.is-active::before{
  content:'';position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:3px;
  background:var(--grad-brand);box-shadow:0 0 12px rgba(255,106,61,.8);
}
.drawer .drawer-cta{
  display:flex;margin-top:22px;border-bottom:none;
  justify-content:center;background:var(--grad-brand);color:#fff;font-weight:600;
}
@media (min-width:1024px){.drawer{display:none;}}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .28s ease,background-position .45s ease,color .2s ease,border-color .2s ease,background-color .2s ease;
}
.btn-primary{
  background-image:var(--grad-brand);
  background-size:170% 100%;background-position:0 0;
  color:#fff;box-shadow:0 14px 34px -16px rgba(255,46,99,.95);
}
.btn-primary:hover{background-position:100% 0;transform:translateY(-2px);box-shadow:0 20px 44px -16px rgba(255,46,99,1);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  background-color:transparent;border-color:rgba(23,195,178,.55);color:var(--aq-light);
}
.btn-ghost:hover{background-color:rgba(23,195,178,.1);border-color:var(--aq-light);color:#fff;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}

.link-underline{position:relative;display:inline-block;}
.link-underline::after{
  content:'';position:absolute;left:0;bottom:-2px;height:1px;width:0;
  background:var(--grad-brand);transition:width .3s ease;
}
.link-underline:hover{color:var(--brand);}
.link-underline:hover::after{width:100%;}

/* ============ 面包屑 ============ */
.breadcrumb-wrap{margin-top:24px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t3);}
.breadcrumb a{color:var(--t2);}
.breadcrumb .sep{color:rgba(255,255,255,.25);}
.breadcrumb .current{color:var(--brand);}

/* ============ 内页 Hero ============ */
.page-hero{
  position:relative;isolation:isolate;overflow:hidden;
  min-height:clamp(330px,46vh,470px);
  display:flex;align-items:center;
  margin-top:20px;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  border-radius:0 0 var(--r-lg) var(--r-lg);
}
.page-hero::before{
  content:'';position:absolute;inset:0;z-index:-2;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity:.55;
}
.page-hero::after{
  content:'';position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(600px 320px at 12% 30%,rgba(255,106,61,.16),transparent 70%),
    linear-gradient(96deg,rgba(14,12,17,.97) 0%,rgba(14,12,17,.88) 46%,rgba(14,12,17,.52) 100%);
}
.hero-inner{max-width:720px;padding:48px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.04em;
  color:var(--aq-light);
  background:rgba(23,195,178,.1);
  border:1px solid rgba(23,195,178,.35);
  border-radius:999px;padding:5px 14px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--aq-light);box-shadow:0 0 10px rgba(110,231,208,.9);}
.hero-title{
  margin-top:18px;
  font-size:clamp(30px,4.6vw,48px);
  font-weight:800;line-height:1.18;letter-spacing:-.02em;
}
.grad-text{
  background-image:var(--grad-brand);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{margin-top:16px;font-size:17px;color:var(--t2);max-width:34ch;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 20px;margin-top:26px;padding:0;}
.hero-points li{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13.5px;color:var(--t2);
}
.hero-points li::before{
  content:'';width:6px;height:6px;border-radius:50%;
  background-image:var(--grad-brand);flex:0 0 6px;
}

/* ============ 交叉导航 ============ */
.cross-nav{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.cross-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 20px;border-radius:999px;font-size:14.5px;font-weight:500;
  color:var(--t2);border:1px solid var(--line);background:var(--panel);
  transition:border-color .25s,color .25s,transform .25s,background-color .25s;
}
.cross-pill:hover{color:#fff;border-color:rgba(23,195,178,.5);background:rgba(23,195,178,.08);transform:translateY(-2px);}
.cross-pill.is-current{
  color:#fff;border-color:transparent;background-color:rgba(255,106,61,.14);
  box-shadow:inset 0 0 0 1px rgba(255,106,61,.55);
}
.cross-pill.is-current::after{content:'';width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px rgba(255,106,61,.9);}

/* ============ 分区 ============ */
.section{padding:64px 0;}
@media (min-width:1024px){.section{padding:112px 0;}}
.section-head{max-width:720px;}
h2.section-title{
  position:relative;padding-top:18px;
  font-size:clamp(23px,3vw,34px);font-weight:700;line-height:1.3;letter-spacing:-.01em;
}
h2.section-title::before{
  content:'';position:absolute;top:0;left:0;width:28px;height:4px;border-radius:2px;
  background-image:var(--grad-brand);
}
.section-lead{margin-top:16px;font-size:16px;color:var(--t2);max-width:64ch;}
.mt-head{margin-top:36px;}

/* ============ 横向卡带 ============ */
.rail{
  display:flex;gap:18px;align-items:stretch;
  overflow-x:auto;scroll-snap-type:x mandatory;
  padding:24px 20px 26px;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:thin;
  scrollbar-color:rgba(255,106,61,.5) transparent;
}
.rail::-webkit-scrollbar{height:6px;}
.rail::-webkit-scrollbar-track{background:rgba(255,255,255,.05);border-radius:999px;}
.rail::-webkit-scrollbar-thumb{background-image:var(--grad-brand);border-radius:999px;}
@media (min-width:768px){.rail{padding-left:24px;padding-right:24px;}}
@media (min-width:1024px){
  .rail{padding-left:max(32px,calc((100vw - 1240px)/2 + 32px));padding-right:max(32px,calc((100vw - 1240px)/2 + 32px));}
}
.rail-card{
  scroll-snap-align:start;flex:0 0 320px;max-width:320px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px;box-shadow:var(--shadow-card);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.rail-card:hover{transform:translateY(-4px);border-color:rgba(255,106,61,.45);box-shadow:var(--shadow-card),0 0 0 1px rgba(255,106,61,.35);}
.rail-card figure{margin:0 0 16px;border-radius:14px;overflow:hidden;}
.rail-card figure img{width:100%;height:150px;object-fit:cover;transition:transform .4s ease;}
.rail-card:hover figure img{transform:scale(1.04);}
.rail-card h3{font-size:18px;font-weight:600;line-height:1.4;}
.rail-card p{margin-top:10px;font-size:14px;line-height:1.75;color:var(--t2);}
.rail-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{
  display:inline-flex;align-items:center;
  font-size:12.5px;font-weight:500;letter-spacing:.02em;
  padding:4px 11px;border-radius:999px;
  color:var(--aq-light);background:rgba(23,195,178,.1);
  border:1px solid rgba(23,195,178,.28);
}
.tag-brand{color:#FFB49A;background:rgba(255,106,61,.12);border-color:rgba(255,106,61,.32);}
.rail-hint{margin-top:2px;font-size:13px;color:var(--t3);}

/* ============ 时间线 ============ */
.timeline{position:relative;margin-top:40px;padding:0;}
.timeline::before{
  content:'';position:absolute;left:11px;top:10px;bottom:16px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,rgba(255,106,61,.85),rgba(23,195,178,.4) 55%,rgba(255,255,255,.04));
}
.tl-item{position:relative;padding:0 0 30px 44px;}
.tl-item:last-child{padding-bottom:0;}
.tl-node{
  position:absolute;left:0;top:5px;width:24px;height:24px;border-radius:50%;
  background:var(--card);border:1px solid rgba(255,106,61,.55);
  display:grid;place-items:center;
}
.tl-node::after{content:'';width:8px;height:8px;border-radius:50%;background-image:var(--grad-brand);}
.tl-body{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:20px 22px;transition:border-color .25s,transform .25s;}
.tl-body:hover{border-color:rgba(23,195,178,.45);transform:translateY(-3px);}
.tl-body h3{font-size:19px;font-weight:600;line-height:1.4;}
.tl-body p{margin-top:8px;font-size:14.5px;line-height:1.75;color:var(--t2);}
@media (min-width:1024px){
  .tl-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 40px;position:relative;}
  .tl-list::before{content:'';position:absolute;left:11px;top:10px;bottom:16px;width:2px;border-radius:2px;
    background:linear-gradient(180deg,rgba(255,106,61,.7),rgba(23,195,178,.35),rgba(255,255,255,.04));}
}

/* ============ 数据徽章与证据 ============ */
.stat-row{display:grid;gap:14px;grid-template-columns:repeat(2,minmax(0,1fr));margin-top:40px;}
@media (min-width:900px){.stat-row{grid-template-columns:repeat(4,minmax(0,1fr));}}
.stat-badge{
  border-radius:var(--r-md);padding:20px;
  background-image:linear-gradient(var(--card),var(--card)),var(--grad-brand);
  background-origin:border-box;background-clip:padding-box,border-box;
  border:1px solid transparent;
}
.stat-badge strong{
  display:block;font-size:32px;font-weight:800;line-height:1.1;letter-spacing:-.02em;
  background-image:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums;
}
.stat-badge span{display:block;margin-top:8px;font-size:13px;color:var(--t2);}
.proof-grid{display:grid;gap:20px;margin-top:32px;}
@media (min-width:900px){
  .proof-grid{grid-template-columns:58fr 42fr;align-items:start;}
  .proof-card.offset{margin-top:32px;}
}
.proof-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .3s ease,border-color .3s ease;
}
.proof-card:hover{transform:translateY(-4px);border-color:rgba(255,106,61,.4);}
.proof-card img{width:100%;height:210px;object-fit:cover;}
.proof-body{padding:22px 24px 26px;}
.proof-body h3{font-size:20px;font-weight:600;}
.proof-body p{margin-top:10px;font-size:14.5px;line-height:1.78;color:var(--t2);}
.proof-list{margin-top:14px;display:grid;gap:8px;}
.proof-list li{position:relative;padding-left:16px;font-size:14px;color:var(--t2);line-height:1.7;}
.proof-list li::before{content:'';position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background-image:var(--grad-aq);}

/* ============ FAQ ============ */
.faq-list{margin-top:36px;max-width:900px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;position:relative;
  transition:border-color .25s ease,box-shadow .28s ease;
}
.faq-item + .faq-item{margin-top:12px;}
.faq-item:hover{border-color:rgba(255,255,255,.16);}
.faq-item[open]{border-color:rgba(255,106,61,.45);box-shadow:var(--shadow-card);}
.faq-item[open]::before{
  content:'';position:absolute;left:0;top:0;bottom:0;width:3px;
  background-image:var(--grad-brand);
}
.faq-q{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;font-size:16.5px;font-weight:600;line-height:1.5;
}
.faq-q::-webkit-details-marker{display:none;}
.faq-ico{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  border:1px solid rgba(255,106,61,.5);color:var(--brand);
  display:grid;place-items:center;font-size:16px;line-height:1;
  transition:transform .24s ease,background-color .24s ease;
}
.faq-item[open] .faq-ico{transform:rotate(45deg);background-color:rgba(255,106,61,.12);}
.faq-a{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--t2);}

/* ============ 表单岛 ============ */
.form-island{
  margin-top:36px;
  background:var(--cream);color:var(--ink);
  border-radius:var(--r-lg);padding:30px;
  box-shadow:0 34px 90px -46px rgba(0,0,0,.95);
  display:grid;gap:32px;
}
@media (min-width:1024px){
  .form-island{grid-template-columns:.9fr 1.1fr;gap:52px;padding:52px;}
}
.form-intro h2{
  position:relative;padding-top:16px;
  font-size:clamp(23px,2.6vw,30px);font-weight:800;line-height:1.3;color:#1A1620;
}
.form-intro h2::before{
  content:'';position:absolute;top:0;left:0;width:28px;height:4px;border-radius:2px;
  background-image:var(--grad-brand);
}
.form-intro p{margin-top:14px;font-size:15px;line-height:1.8;color:#4A4450;}
.form-intro ul{margin-top:20px;display:grid;gap:10px;}
.form-intro li{position:relative;padding-left:18px;font-size:14.5px;color:#3A3540;}
.form-intro li::before{
  content:'';position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;
  background-image:var(--grad-brand);
}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:16px;}
.field label{font-size:14px;font-weight:600;color:#3A3540;}
.field input,.field select,.field textarea{
  width:100%;background:#fff;color:var(--ink);
  border:1px solid rgba(34,30,40,.18);border-radius:14px;
  padding:12px 14px;font-size:15px;line-height:1.6;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:110px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,106,61,.18);
}
.field.is-error input,.field.is-error textarea{border-color:#FF2E63;}
.field-msg{display:none;font-size:13px;color:#D6255A;}
.field.is-error .field-msg{display:block;}
.form-note{margin-top:14px;font-size:13px;color:#6A6470;}
.form-status{margin-top:14px;font-size:14px;font-weight:600;color:#0E7C6B;min-height:22px;}
.form-actions{margin-top:8px;}
.form-actions .btn{width:100%;}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:90;
  display:none;align-items:center;gap:10px;
  height:52px;padding:0 24px;border-radius:999px;
  background-image:var(--grad-brand);background-size:170% 100%;
  color:#fff;font-size:15px;font-weight:600;
  box-shadow:0 18px 44px -14px rgba(255,46,99,1);
  opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity .35s ease,transform .35s ease,background-position .4s ease;
}
@media (min-width:1024px){.float-cta{display:inline-flex;}}
.float-cta.is-visible{opacity:1;transform:none;pointer-events:auto;}
.float-cta:hover{background-position:100% 0;}
.pulse-dot{
  width:9px;height:9px;border-radius:50%;background:#fff;flex:0 0 9px;
  box-shadow:0 0 0 0 rgba(255,255,255,.8);
  animation:pulse 1.9s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(255,255,255,.75);}
  70%{box-shadow:0 0 0 12px rgba(255,255,255,0);}
  100%{box-shadow:0 0 0 0 rgba(255,255,255,0);}
}

.mobile-cta-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:90;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom,0px));
  background:rgba(17,15,21,.97);
  border-top:1px solid rgba(255,106,61,.35);
  backdrop-filter:blur(10px);
}
.mobile-cta-bar span{font-size:14px;color:var(--t2);}
.mobile-cta-bar .btn{height:40px;padding:0 18px;font-size:14px;}
@media (min-width:1024px){.mobile-cta-bar{display:none;}}
@media (max-width:1023px){body{padding-bottom:86px;}}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;background:#0B0A0E;border-top:1px solid var(--line);margin-top:72px;
}
.site-footer::before{
  content:'';position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,106,61,.6),rgba(255,46,99,.45),transparent);
}
.footer-grid{display:grid;gap:32px;padding-top:52px;padding-bottom:32px;grid-template-columns:1fr;}
@media (min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr;}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;padding-top:64px;}}
.footer-logo{margin-bottom:14px;}
.footer-desc{font-size:14px;color:var(--t2);max-width:24ch;}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col li{font-size:14px;color:var(--t2);}
.footer-col a{font-size:14px;color:var(--t2);transition:color .2s ease;}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  border-top:1px solid var(--line);padding-top:20px;padding-bottom:28px;
  font-size:12.5px;color:var(--t3);
}

/* ============ 滚动显现 ============ */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .5s ease,transform .5s ease;}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
  .pulse-dot{animation:none;}
}