/* roulang page: index */
:root{
  --sy-primary:#FF5A2B;
  --sy-primary-deep:#D93A16;
  --sy-secondary:#0FBF9F;
  --sy-accent:#FFB020;
  --sy-ink:#16181F;
  --sy-ink-2:#454B5A;
  --sy-ink-3:#6E7583;
  --sy-bg:#FFF9F6;
  --sy-bg-alt:#F2F5F9;
  --sy-line:#E8E3DE;
  --sy-white:#FFFFFF;
  --sy-grad-brand:linear-gradient(102deg,#FF7A45 0%,#FF4D6D 58%,#F0418F 100%);
  --sy-grad-badge:linear-gradient(135deg,#0FBF9F 0%,#37D6B4 100%);
  --sy-radius-lg:24px;
  --sy-radius-md:16px;
  --sy-radius-sm:12px;
  --sy-shadow:0 2px 8px rgba(22,24,31,.06);
  --sy-shadow-hover:0 12px 28px rgba(217,58,22,.16);
  --sy-space:96px;
  --sy-container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  background:var(--sy-bg);
  color:var(--sy-ink-2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:var(--sy-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--sy-primary-deep);text-decoration:underline;text-underline-offset:3px;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--sy-ink);font-weight:700;line-height:1.3;}
p{margin:0;}
button{font-family:inherit;}
.foundation-accordion,.accordion{border:0;background:transparent;}
.sy-container{
  width:100%;
  max-width:var(--sy-container);
  margin:0 auto;
  padding:0 24px;
}
.sy-section{padding:var(--sy-space) 0;}
.sy-section--tight{padding:64px 0;}
.sy-section--alt{background:var(--sy-bg-alt);}
.sy-sec-head{max-width:760px;margin-bottom:48px;}
.sy-sec-head h2{
  font-size:clamp(24px,3vw,34px);
  font-weight:700;
  letter-spacing:-.01em;
  position:relative;
  padding-left:16px;
}
.sy-sec-head h2::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:4px;
  border-radius:4px;
  background:var(--sy-grad-brand);
}
.sy-sec-head p{margin-top:12px;font-size:16px;color:var(--sy-ink-3);}
.sy-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  letter-spacing:.08em;
  font-weight:600;
  color:var(--sy-primary);
  background:rgba(255,90,43,.1);
  border-radius:999px;
  padding:6px 16px;
  margin-bottom:18px;
}
.sy-eyebrow--light{color:#fff;background:rgba(255,255,255,.18);}

/* ---------- 按钮 ---------- */
.sy-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:13px 28px;
  border-radius:var(--sy-radius-sm);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  cursor:pointer;
  text-decoration:none;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.sy-btn:hover{text-decoration:none;}
.sy-btn-primary{
  background-image:var(--sy-grad-brand);
  background-size:160% 100%;
  background-position:0% 50%;
  color:#fff;
  box-shadow:0 6px 18px rgba(217,58,22,.22);
}
.sy-btn-primary:hover{
  color:#fff;
  transform:translateY(-2px);
  background-position:60% 50%;
  box-shadow:0 14px 30px rgba(217,58,22,.3);
}
.sy-btn-primary:active{transform:translateY(-1px);}
.sy-btn-ghost{
  background:#fff;
  border-color:var(--sy-primary);
  color:var(--sy-primary);
}
.sy-btn-ghost:hover{
  background:rgba(255,90,43,.08);
  border-color:var(--sy-primary-deep);
  color:var(--sy-primary-deep);
  transform:translateY(-2px);
}
.sy-btn-ghost-light{
  background:rgba(255,255,255,.12);
  border-color:rgba(255,255,255,.6);
  color:#fff;
}
.sy-btn-ghost-light:hover{
  background:rgba(255,255,255,.22);
  color:#fff;
  border-color:#fff;
  transform:translateY(-2px);
}
.sy-btn-sm{padding:10px 20px;font-size:14px;min-height:42px;}
.sy-btn:focus-visible{
  outline:2px solid var(--sy-primary);
  outline-offset:2px;
}
.sy-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--sy-primary);
}
.sy-link::after{content:"→";transition:transform .2s ease;}
.sy-link:hover::after{transform:translateX(4px);}

/* ---------- 头部导航 ---------- */
.sy-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(150%) blur(8px);
  border-bottom:1px solid var(--sy-line);
}
.sy-nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  height:72px;
}
.sy-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  text-decoration:none;
}
.sy-logo:hover{text-decoration:none;}
.sy-logo-mark{
  width:40px;height:40px;
  border-radius:11px;
  background-image:var(--sy-grad-brand);
  color:#fff;
  font-size:20px;
  font-weight:800;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 6px 16px rgba(217,58,22,.24);
  font-variant-numeric:tabular-nums;
}
.sy-logo-text{
  font-size:18px;
  font-weight:800;
  color:var(--sy-ink);
  letter-spacing:-.01em;
  white-space:nowrap;
}
.sy-nav-chips{
  display:flex;
  align-items:center;
  gap:4px;
  padding:4px;
  border-radius:999px;
  background:var(--sy-bg-alt);
  overflow-x:auto;
  scrollbar-width:none;
}
.sy-nav-chips::-webkit-scrollbar{display:none;}
.sy-chip{
  display:inline-flex;
  align-items:center;
  white-space:nowrap;
  padding:8px 18px;
  border-radius:999px;
  font-size:14px;
  font-weight:600;
  color:var(--sy-ink-3);
  transition:background .2s ease,color .2s ease,box-shadow .2s ease;
}
.sy-chip:hover{
  background:rgba(255,90,43,.1);
  color:var(--sy-primary-deep);
  text-decoration:none;
}
.sy-chip.is-active{
  background-image:var(--sy-grad-brand);
  color:#fff;
  box-shadow:0 6px 16px rgba(217,58,22,.22);
}
.sy-nav-cta{flex:0 0 auto;}
.sy-burger{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--sy-line);
  border-radius:12px;
  background:#fff;
  cursor:pointer;
  position:relative;
}
.sy-burger span{
  position:absolute;
  left:11px;right:11px;
  height:2px;
  border-radius:2px;
  background:var(--sy-ink);
  transition:transform .25s ease,opacity .25s ease;
}
.sy-burger span:nth-child(1){top:14px;}
.sy-burger span:nth-child(2){top:21px;}
.sy-burger span:nth-child(3){top:28px;}
.sy-burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.sy-burger.is-open span:nth-child(2){opacity:0;}
.sy-burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.sy-drawer{
  display:none;
  border-bottom:1px solid var(--sy-line);
  background:#fff;
  padding:20px 0 26px;
}
.sy-drawer.is-open{display:block;}
.sy-drawer-list{display:flex;flex-direction:column;gap:6px;margin-bottom:18px;}
.sy-drawer-list a{
  display:block;
  padding:12px 14px;
  border-left:3px solid transparent;
  border-radius:0 12px 12px 0;
  font-size:15px;
  font-weight:600;
  color:var(--sy-ink-2);
  background:var(--sy-bg-alt);
}
.sy-drawer-list a.is-active{
  border-left-color:var(--sy-primary);
  color:var(--sy-primary-deep);
  background:rgba(255,90,43,.08);
}
.sy-drawer-contact{
  margin-top:16px;
  padding-top:16px;
  border-top:1px solid var(--sy-line);
  font-size:13px;
  color:var(--sy-ink-3);
}

/* ---------- Hero ---------- */
.sy-hero{
  position:relative;
  padding:78px 0 92px;
  color:#fff;
  background-image:
    linear-gradient(104deg,rgba(22,24,31,.86) 0%,rgba(217,58,22,.8) 56%,rgba(240,65,143,.74) 100%),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.sy-hero::after{
  content:"";
  position:absolute;
  right:-120px;bottom:-160px;
  width:460px;height:460px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(15,191,159,.35) 0%,rgba(15,191,159,0) 70%);
  pointer-events:none;
}
.sy-hero-copy{position:relative;z-index:2;max-width:580px;}
.sy-hero h1{
  color:#fff;
  font-size:clamp(30px,4vw,46px);
  font-weight:800;
  line-height:1.2;
  letter-spacing:-.01em;
}
.sy-hero-sub{
  margin-top:20px;
  font-size:17px;
  line-height:1.85;
  color:rgba(255,255,255,.88);
  max-width:540px;
}
.sy-hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}
.sy-hero-badges{
  display:flex;
  flex-wrap:wrap;
  align-items:stretch;
  gap:0;
  margin-top:40px;
}
.sy-badge-stat{
  padding:0 26px;
  border-left:1px solid rgba(255,255,255,.24);
}
.sy-badge-stat:first-child{padding-left:0;border-left:0;}
.sy-badge-stat strong{
  display:block;
  font-size:30px;
  font-weight:800;
  line-height:1.15;
  color:#fff;
  font-variant-numeric:tabular-nums;
}
.sy-badge-stat span{
  display:block;
  margin-top:4px;
  font-size:13px;
  color:rgba(255,255,255,.76);
}
.sy-hero-visual{position:relative;z-index:2;}
.sy-hero-card{
  position:relative;
  margin:0;
  border-radius:var(--sy-radius-lg);
  overflow:hidden;
  box-shadow:0 24px 60px rgba(0,0,0,.32);
  border:1px solid rgba(255,255,255,.22);
}
.sy-hero-card img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
}
.sy-hero-card figcaption{
  position:absolute;
  right:18px;bottom:18px;
  padding:8px 16px;
  border-radius:999px;
  background-image:var(--sy-grad-badge);
  color:#fff;
  font-size:13px;
  font-weight:600;
  letter-spacing:.02em;
  box-shadow:0 8px 20px rgba(15,191,159,.34);
}

/* ---------- 痛点编号列表 ---------- */
.sy-pain{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);
  gap:56px;
  align-items:start;
}
.sy-pain-lead h2{
  font-size:clamp(24px,3vw,34px);
  letter-spacing:-.01em;
}
.sy-pain-lead p{
  margin-top:16px;
  font-size:16px;
  color:var(--sy-ink-3);
}
.sy-pain-list{border-top:1px solid var(--sy-line);}
.sy-pain-item{
  display:flex;
  gap:22px;
  padding:26px 0;
  border-bottom:1px solid var(--sy-line);
}
.sy-pain-num{
  flex:0 0 auto;
  width:46px;
  font-size:22px;
  font-weight:800;
  color:var(--sy-primary);
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
}
.sy-pain-item h3{font-size:18px;font-weight:600;margin-bottom:6px;}
.sy-pain-item p{font-size:15px;color:var(--sy-ink-3);}

/* ---------- 交错图文 ---------- */
.sy-feature{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:56px;
  align-items:center;
  padding:48px 0;
  border-bottom:1px solid var(--sy-line);
}
.sy-feature:last-of-type{border-bottom:0;}
.sy-feature.is-reverse .sy-feature-media{order:2;}
.sy-feature.is-reverse .sy-feature-text{order:1;}
.sy-feature-media{margin:0;}
.sy-feature-media img{
  width:100%;
  border-radius:20px;
  object-fit:cover;
  box-shadow:var(--sy-shadow);
}
.sy-feature-media.tall img{aspect-ratio:4/3;}
.sy-feature-media.wide img{aspect-ratio:16/11;}
.sy-feature-text h3{
  font-size:clamp(20px,2.4vw,24px);
  margin-bottom:14px;
}
.sy-feature-text > p{
  font-size:15.5px;
  color:var(--sy-ink-3);
  margin-bottom:22px;
}
.sy-points{display:flex;flex-direction:column;gap:14px;margin-bottom:24px;}
.sy-points li{
  position:relative;
  padding-left:24px;
  font-size:15.5px;
  color:var(--sy-ink-2);
}
.sy-points li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:9px;height:9px;
  border-radius:50%;
  background-image:var(--sy-grad-brand);
  box-shadow:0 0 0 4px rgba(255,90,43,.12);
}

/* ---------- 数据带 ---------- */
.sy-stats{
  position:relative;
  background:var(--sy-ink);
  color:#fff;
  padding:80px 0;
  overflow:hidden;
}
.sy-stats::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(115deg,rgba(255,90,43,.34) 0%,rgba(240,65,143,.16) 45%,rgba(15,191,159,.18) 100%);
}
.sy-stats-inner{position:relative;z-index:2;}
.sy-stats-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:44px;
}
.sy-stats-head h2{color:#fff;font-size:clamp(24px,3vw,32px);}
.sy-stats-head p{color:rgba(255,255,255,.68);font-size:15px;margin-top:10px;max-width:520px;}
.sy-stats-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:0;
}
.sy-stat{
  padding:0 28px;
  border-left:1px solid rgba(255,255,255,.16);
}
.sy-stat:first-child{padding-left:0;border-left:0;}
.sy-stat strong{
  display:block;
  font-size:clamp(28px,3.6vw,44px);
  font-weight:800;
  line-height:1.1;
  color:#fff;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.01em;
}
.sy-stat span{
  display:block;
  margin-top:8px;
  font-size:14px;
  color:rgba(255,255,255,.66);
}

/* ---------- 证言 ---------- */
.sy-quotes{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.sy-quote{
  position:relative;
  background:#fff;
  border:1px solid var(--sy-line);
  border-radius:20px;
  padding:34px 30px 28px;
  box-shadow:var(--sy-shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.sy-quote:hover{
  transform:translateY(-4px);
  box-shadow:var(--sy-shadow-hover);
  border-color:rgba(255,90,43,.2);
}
.sy-quote-mark{
  font-size:48px;
  line-height:1;
  font-weight:800;
  color:rgba(255,90,43,.2);
  margin-bottom:4px;
}
.sy-quote p{
  font-size:15.5px;
  color:var(--sy-ink-2);
  min-height:76px;
}
.sy-quote-meta{
  display:flex;
  align-items:center;
  gap:14px;
  margin-top:22px;
  padding-top:18px;
  border-top:1px solid var(--sy-line);
}
.sy-avatar{
  width:44px;height:44px;
  border-radius:50%;
  background-image:var(--sy-grad-badge);
  color:#fff;
  font-size:15px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:center;
  flex:0 0 auto;
}
.sy-quote-meta strong{display:block;font-size:15px;color:var(--sy-ink);font-weight:600;}
.sy-quote-meta span{display:block;font-size:13px;color:var(--sy-ink-3);}
.sy-stars{
  margin-left:auto;
  color:var(--sy-accent);
  font-size:13px;
  letter-spacing:2px;
  white-space:nowrap;
}

/* ---------- 资讯列表 ---------- */
.sy-news-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:40px;
}
.sy-news-head h2{
  font-size:clamp(24px,3vw,34px);
  padding-left:16px;
  position:relative;
  letter-spacing:-.01em;
}
.sy-news-head h2::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:4px;
  border-radius:4px;
  background:var(--sy-grad-brand);
}
.sy-news-head p{margin-top:12px;padding-left:16px;font-size:15px;color:var(--sy-ink-3);}
.sy-filter{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
}
.sy-tag{
  display:inline-flex;
  align-items:center;
  padding:7px 16px;
  border-radius:999px;
  background:rgba(255,90,43,.09);
  color:var(--sy-primary-deep);
  font-size:13px;
  font-weight:600;
  transition:background .2s ease,color .2s ease;
  cursor:pointer;
  border:1px solid transparent;
}
.sy-tag:hover{background:var(--sy-primary);color:#fff;text-decoration:none;}
.sy-tag.is-on{
  background-image:var(--sy-grad-brand);
  color:#fff;
  border-color:transparent;
}
.sy-news-grid > .cell{margin-bottom:24px;}
.sy-news-card{
  height:100%;
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid var(--sy-line);
  border-radius:var(--sy-radius-md);
  overflow:hidden;
  box-shadow:var(--sy-shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.sy-news-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sy-shadow-hover);
  border-color:rgba(255,90,43,.2);
}
.sy-news-thumb{
  position:relative;
  overflow:hidden;
  border-radius:14px 14px 0 0;
  background:var(--sy-bg-alt);
}
.sy-news-thumb img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform .4s ease;
}
.sy-news-card:hover .sy-news-thumb img{transform:scale(1.03);}
.sy-news-body{
  padding:20px;
  display:flex;
  flex-direction:column;
  flex:1;
}
.sy-news-body h3{
  font-size:17px;
  font-weight:600;
  line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  min-height:51px;
}
.sy-news-body h3 a{color:var(--sy-ink);}
.sy-news-body h3 a:hover{color:var(--sy-primary-deep);text-decoration:none;}
.sy-news-summary{
  margin-top:10px;
  font-size:14.5px;
  color:var(--sy-ink-3);
  line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.sy-news-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  margin-top:auto;
  padding-top:16px;
  border-top:1px solid var(--sy-line);
  font-size:13px;
  color:var(--sy-ink-3);
}
.sy-news-meta .sy-mini-tag{
  display:inline-flex;
  align-items:center;
  padding:4px 12px;
  border-radius:999px;
  background:rgba(15,191,159,.12);
  color:#0A8E77;
  font-size:12.5px;
  font-weight:600;
}
.sy-news-arrow{color:var(--sy-primary);font-weight:700;}
.sy-empty{
  border:1px dashed var(--sy-line);
  border-radius:var(--sy-radius-md);
  background:#fff;
  padding:56px 24px;
  text-align:center;
}
.sy-empty-icon{
  width:64px;height:64px;
  margin:0 auto 18px;
  border-radius:50%;
  border:2px solid var(--sy-line);
  position:relative;
}
.sy-empty-icon::before,
.sy-empty-icon::after{
  content:"";
  position:absolute;
  background:var(--sy-line);
}
.sy-empty-icon::before{left:16px;right:16px;top:26px;height:2px;}
.sy-empty-icon::after{left:16px;right:16px;top:36px;height:2px;}
.sy-empty p{font-size:15px;color:var(--sy-ink-3);margin-bottom:20px;}

/* ---------- FAQ ---------- */
.sy-faq{margin:0;}
.sy-faq .accordion-item{
  border:1px solid var(--sy-line);
  border-radius:14px;
  background:#fff;
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:var(--sy-shadow);
}
.sy-faq .accordion-title{
  border:0;
  padding:20px 56px 20px 22px;
  font-size:16px;
  font-weight:600;
  color:var(--sy-ink);
  background:#fff;
  position:relative;
  transition:color .2s ease,background .2s ease;
}
.sy-faq .accordion-title:hover{background:#fff;color:var(--sy-primary-deep);}
.sy-faq .accordion-title::before{
  content:"";
  position:absolute;
  right:26px;
  top:50%;
  width:14px;
  height:2px;
  margin-top:-1px;
  border-radius:2px;
  background:var(--sy-primary);
  transition:transform .25s ease;
}
.sy-faq .accordion-title::after{
  content:"";
  position:absolute;
  right:32px;
  top:50%;
  width:2px;
  height:14px;
  margin-top:-7px;
  border-radius:2px;
  background:var(--sy-primary);
  transition:transform .25s ease;
}
.sy-faq .accordion-item.is-active .accordion-title{
  color:var(--sy-primary-deep);
  box-shadow:inset 3px 0 0 0 var(--sy-primary);
}
.sy-faq .accordion-item.is-active .accordion-title::after{transform:rotate(90deg);opacity:0;}
.sy-faq .accordion-content{
  border:0;
  padding:0 22px 20px 22px;
  background:#fff;
  color:var(--sy-ink-2);
  font-size:15px;
  line-height:1.85;
}
.sy-faq .accordion-content p{font-size:15px;color:var(--sy-ink-2);}

/* ---------- 底部 CTA ---------- */
.sy-cta{
  position:relative;
  padding:88px 0;
  background-image:var(--sy-grad-brand);
  overflow:hidden;
}
.sy-cta::before{
  content:"";
  position:absolute;
  left:-140px;top:-140px;
  width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.24) 0%,rgba(255,255,255,0) 70%);
}
.sy-cta-card{
  position:relative;
  z-index:2;
  background:#FFF9F6;
  border-radius:var(--sy-radius-lg);
  padding:52px 48px;
  box-shadow:0 26px 60px rgba(120,20,10,.22);
  display:grid;
  grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);
  gap:44px;
  align-items:center;
}
.sy-cta-card h2{font-size:clamp(22px,2.8vw,30px);letter-spacing:-.01em;}
.sy-cta-card p{margin-top:14px;font-size:15.5px;color:var(--sy-ink-3);}
.sy-cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.sy-form{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.sy-field{display:flex;flex-direction:column;gap:6px;}
.sy-field.full{grid-column:1 / -1;}
.sy-field label{font-size:13px;color:var(--sy-ink-3);font-weight:600;}
.sy-field label em{color:var(--sy-primary);font-style:normal;}
.sy-field input,
.sy-field textarea{
  width:100%;
  min-height:48px;
  padding:12px 14px;
  border:1px solid var(--sy-line);
  border-radius:12px;
  background:#fff;
  font-size:14.5px;
  color:var(--sy-ink);
  font-family:inherit;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.sy-field textarea{min-height:96px;resize:vertical;line-height:1.7;}
.sy-field input::placeholder,
.sy-field textarea::placeholder{color:#A9AEB8;font-size:14px;}
.sy-field input:focus,
.sy-field textarea:focus{
  outline:none;
  border-color:var(--sy-primary);
  box-shadow:0 0 0 3px rgba(255,90,43,.12);
}
.sy-form-note{grid-column:1 / -1;font-size:12.5px;color:var(--sy-ink-3);}

/* ---------- 页脚 ---------- */
.sy-footer{
  background:var(--sy-ink);
  color:rgba(255,255,255,.72);
  padding:64px 0 0;
  border-top:1px solid rgba(255,90,43,.2);
}
.sy-footer .sy-logo-text{color:#fff;}
.sy-footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:44px;
}
.sy-footer h4{
  color:#fff;
  font-size:14px;
  font-weight:600;
  margin-bottom:16px;
  letter-spacing:.02em;
}
.sy-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);}
.sy-footer-links{display:flex;flex-direction:column;gap:10px;}
.sy-footer-links a{
  font-size:14px;
  color:rgba(255,255,255,.66);
  transition:color .2s ease,transform .2s ease;
  display:inline-block;
}
.sy-footer-links a:hover{color:var(--sy-primary);transform:translateX(2px);text-decoration:none;}
.sy-footer-brand{margin-bottom:16px;}
.sy-social{display:flex;gap:10px;margin-top:18px;}
.sy-social span{
  width:38px;height:38px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.14);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:13px;
  color:rgba(255,255,255,.7);
  transition:background .2s ease,color .2s ease,border-color .2s ease;
  cursor:pointer;
}
.sy-social span:hover{
  background:rgba(255,90,43,.18);
  border-color:rgba(255,90,43,.5);
  color:#fff;
}
.sy-footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:22px 0 28px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  :root{--sy-space:80px;}
  .sy-footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:30px;}
  .sy-footer-grid > div:last-child{grid-column:1 / -1;}
}
@media screen and (max-width:1023px){
  .sy-nav-chips{display:none;}
  .sy-nav-cta{display:none;}
  .sy-burger{display:block;}
  .sy-pain{grid-template-columns:1fr;gap:32px;}
  .sy-feature{grid-template-columns:1fr;gap:28px;padding:36px 0;}
  .sy-feature.is-reverse .sy-feature-media{order:1;}
  .sy-feature.is-reverse .sy-feature-text{order:2;}
  .sy-stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px 0;}
  .sy-stat:nth-child(3){padding-left:0;border-left:0;}
  .sy-stat:nth-child(odd){padding-left:0;border-left:0;}
  .sy-stat:nth-child(even){border-left:1px solid rgba(255,255,255,.16);}
  .sy-cta-card{grid-template-columns:1fr;padding:40px 32px;gap:32px;}
}
@media screen and (max-width:767px){
  :root{--sy-space:64px;}
  .sy-container{padding:0 20px;}
  .sy-nav{height:60px;}
  .sy-logo-text{font-size:16px;}
  .sy-logo-mark{width:36px;height:36px;font-size:18px;border-radius:10px;}
  .sy-hero{padding:56px 0 64px;}
  .sy-hero-actions .sy-btn{flex:1 1 100%;}
  .sy-hero-badges{gap:20px 0;}
  .sy-badge-stat{padding:0 18px;}
  .sy-badge-stat strong{font-size:24px;}
  .sy-quotes{grid-template-columns:1fr;}
  .sy-news-head{flex-direction:column;align-items:flex-start;}
  .sy-stats{padding:64px 0;}
  .sy-stats-grid{grid-template-columns:1fr;gap:26px 0;}
  .sy-stat{padding:0;border-left:0 !important;}
  .sy-footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .sy-footer-grid > div:first-child{grid-column:1 / -1;}
  .sy-footer-grid > div:last-child{grid-column:1 / -1;}
  .sy-form{grid-template-columns:1fr;}
  .sy-cta{padding:64px 0;}
  .sy-cta-card{padding:32px 22px;}
  .sy-cta-card h2{font-size:22px;}
}
@media screen and (max-width:519px){
  :root{--sy-space:52px;}
  .sy-container{padding:0 16px;}
  body{font-size:15.5px;}
  .sy-hero h1{font-size:28px;}
  .sy-hero-sub{font-size:15.5px;}
  .sy-sec-head h2{font-size:22px;}
  .sy-pain-item{gap:14px;}
  .sy-pain-num{width:34px;font-size:19px;}
  .sy-news-body{padding:16px;}
  .sy-quote{padding:26px 20px 22px;}
  .sy-quote p{min-height:auto;}
  .sy-footer-grid{grid-template-columns:1fr;}
}

/* roulang page: article */
:root{
  --sy-primary:#FF5A2B;
  --sy-primary-deep:#D93A16;
  --sy-secondary:#0FBF9F;
  --sy-accent:#FFB020;
  --sy-ink:#16181F;
  --sy-ink-2:#454B5A;
  --sy-ink-3:#6E7583;
  --sy-bg:#FFF9F6;
  --sy-bg-alt:#F2F5F9;
  --sy-line:#E8E3DE;
  --sy-grad-brand:linear-gradient(102deg,#FF7A45 0%,#FF4D6D 58%,#F0418F 100%);
  --sy-grad-badge:linear-gradient(135deg,#0FBF9F 0%,#37D6B4 100%);
  --sy-radius-lg:24px;
  --sy-radius-md:16px;
  --sy-radius-sm:12px;
  --sy-shadow-1:0 2px 8px rgba(22,24,31,.06);
  --sy-shadow-2:0 12px 28px rgba(217,58,22,.16);
  --sy-gap-section:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--sy-ink-2);
  background:var(--sy-bg);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border-style:none;}
a{color:var(--sy-primary);text-decoration:none;background-color:transparent;}
a:hover{color:var(--sy-primary-deep);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;padding:0;}
:focus-visible{outline:2px solid var(--sy-primary);outline-offset:2px;}
.sy-container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%;}
.sy-section{padding:var(--sy-gap-section) 0;}
.sy-section-alt{background:var(--sy-bg-alt);}
.sy-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--sy-primary);
  background:rgba(255,90,43,.1);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.sy-h2{font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700;color:var(--sy-ink);letter-spacing:-.01em;}
.sy-h2-sub{margin-top:10px;font-size:16px;color:var(--sy-ink-3);max-width:720px;}
.sy-grad-text{background:var(--sy-grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;}

/* ---------- header / nav ---------- */
.sy-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--sy-line);
  transition:box-shadow .25s ease;
}
.sy-header.is-stuck{box-shadow:0 6px 20px rgba(22,24,31,.07);}
.sy-header-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px;}
.sy-logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.sy-logo-mark{
  width:38px;height:38px;border-radius:11px;background:var(--sy-grad-brand);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:19px;letter-spacing:-.02em;
  box-shadow:0 6px 14px rgba(240,65,143,.28);
}
.sy-logo-text{font-size:18px;font-weight:800;color:var(--sy-ink);letter-spacing:-.01em;line-height:1;}
.sy-nav-chips{
  display:flex;align-items:center;gap:6px;
  background:var(--sy-bg-alt);border-radius:999px;padding:4px;
  max-width:100%;overflow-x:auto;scrollbar-width:none;
}
.sy-nav-chips::-webkit-scrollbar{display:none;}
.sy-chip{
  display:inline-block;white-space:nowrap;
  padding:8px 18px;border-radius:999px;font-size:14px;line-height:1.4;
  color:var(--sy-ink-3);background:transparent;
  transition:background .2s ease,color .2s ease,box-shadow .2s ease;
}
.sy-chip:hover{background:rgba(255,90,43,.1);color:var(--sy-primary);}
.sy-chip.is-active{background:#fff;color:var(--sy-primary);font-weight:600;box-shadow:var(--sy-shadow-1);}
.sy-header-cta{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.sy-burger{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--sy-line);background:#fff;
  align-items:center;justify-content:center;
}
.sy-burger span{display:block;width:18px;height:2px;background:var(--sy-ink);border-radius:2px;position:relative;}
.sy-burger span::before,.sy-burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--sy-ink);border-radius:2px;
}
.sy-burger span::before{top:-6px;}
.sy-burger span::after{top:6px;}

/* drawer */
.sy-drawer{
  position:fixed;top:0;right:0;bottom:0;width:308px;max-width:88vw;z-index:120;
  background:#fff;padding:20px;transform:translateX(105%);
  transition:transform .32s cubic-bezier(.22,.61,.36,1);
  box-shadow:-14px 0 40px rgba(22,24,31,.16);
  display:flex;flex-direction:column;gap:18px;overflow-y:auto;
}
.sy-drawer.is-open{transform:translateX(0);}
.sy-drawer-mask{
  position:fixed;inset:0;background:rgba(22,24,31,.42);z-index:110;
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;
}
.sy-drawer-mask.is-open{opacity:1;visibility:visible;}
.sy-drawer-head{display:flex;align-items:center;justify-content:space-between;}
.sy-drawer-close{
  width:40px;height:40px;border-radius:12px;background:var(--sy-bg-alt);
  font-size:20px;color:var(--sy-ink-3);line-height:1;
}
.sy-drawer-nav{display:flex;flex-direction:column;gap:4px;}
.sy-drawer-link{
  padding:12px 14px;border-radius:12px;font-size:15px;color:var(--sy-ink-2);
  border-left:3px solid transparent;transition:background .2s ease,color .2s ease;
}
.sy-drawer-link:hover{background:var(--sy-bg-alt);color:var(--sy-primary);}
.sy-drawer-link.is-active{background:rgba(255,90,43,.08);border-left-color:var(--sy-primary);color:var(--sy-primary);font-weight:600;}
.sy-drawer-foot{margin-top:auto;font-size:13px;color:var(--sy-ink-3);border-top:1px solid var(--sy-line);padding-top:16px;}

/* ---------- buttons ---------- */
.sy-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:13px 26px;border-radius:12px;
  font-size:15px;font-weight:600;line-height:1.2;
  transition:transform .2s ease,box-shadow .2s ease,background .25s ease,color .2s ease,border-color .2s ease;
  border:1px solid transparent;
}
.sy-btn-primary{background:var(--sy-grad-brand);color:#fff;box-shadow:0 8px 18px rgba(240,65,143,.24);}
.sy-btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sy-shadow-2);}
.sy-btn-primary:active{transform:translateY(1px);}
.sy-btn-outline{background:#fff;border-color:var(--sy-primary);color:var(--sy-primary);}
.sy-btn-outline:hover{background:rgba(255,90,43,.08);border-color:var(--sy-primary-deep);color:var(--sy-primary-deep);}
.sy-btn-ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.6);}
.sy-btn-ghost:hover{background:rgba(255,255,255,.24);color:#fff;}
.sy-btn-sm{padding:10px 18px;font-size:14px;min-height:40px;}
.sy-btn-block{width:100%;}
.sy-textlink{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--sy-primary);}
.sy-textlink .sy-arrow{transition:transform .2s ease;}
.sy-textlink:hover .sy-arrow{transform:translateX(4px);}

/* ---------- badges ---------- */
.sy-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:8px;font-size:13px;font-weight:600;
}
.sy-badge-cat{background:rgba(255,90,43,.1);color:var(--sy-primary-deep);}
.sy-badge-jade{background:var(--sy-grad-badge);color:#fff;}
.sy-badge-amber{background:rgba(255,176,32,.16);color:#A96A00;}

/* ---------- breadcrumb ---------- */
.sy-breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  background:#fff;border:1px solid var(--sy-line);border-radius:999px;
  padding:8px 16px;font-size:13px;color:var(--sy-ink-3);
  width:fit-content;max-width:100%;
}
.sy-breadcrumb a{color:var(--sy-ink-3);}
.sy-breadcrumb a:hover{color:var(--sy-primary);}
.sy-breadcrumb .sy-crumb-sep{color:#C4BEB8;}
.sy-breadcrumb .sy-crumb-now{
  color:var(--sy-primary);font-weight:600;
  max-width:44vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ---------- article head ---------- */
.sy-article-head{padding:36px 0 0;}
.sy-article-meta{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  margin-top:22px;font-size:13px;color:var(--sy-ink-3);
}
.sy-article-meta .sy-dot{color:#C4BEB8;}
.sy-article-title{
  margin-top:14px;
  font-size:clamp(26px,3.6vw,42px);
  line-height:1.25;font-weight:800;color:var(--sy-ink);letter-spacing:-.01em;
  max-width:900px;
}
.sy-article-cover{
  margin-top:28px;border-radius:20px;overflow:hidden;
  border:1px solid var(--sy-line);background:#fff;
}
.sy-article-cover img{width:100%;aspect-ratio:21/9;object-fit:cover;}

/* ---------- article layout ---------- */
.sy-article-main{padding:56px 0 0;}
.sy-article-grid{display:flex;gap:48px;align-items:flex-start;}
.sy-article-col{flex:1 1 auto;min-width:0;max-width:760px;}
.sy-article-side{flex:0 0 260px;width:260px;position:sticky;top:96px;}

.sy-prose{font-size:17px;line-height:1.9;color:var(--sy-ink-2);}
.sy-prose p{margin:0 0 1.2em;}
.sy-prose h2{
  position:relative;font-size:26px;line-height:1.35;font-weight:700;color:var(--sy-ink);
  margin:44px 0 16px;padding-left:16px;
}
.sy-prose h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:4px;
  background:var(--sy-grad-brand);
}
.sy-prose h3{font-size:20px;line-height:1.45;font-weight:600;color:var(--sy-primary-deep);margin:32px 0 12px;}
.sy-prose h4{font-size:17px;font-weight:600;color:var(--sy-ink);margin:24px 0 10px;}
.sy-prose ul,.sy-prose ol{margin:0 0 1.3em;padding-left:2px;}
.sy-prose ul li,.sy-prose ol li{position:relative;padding-left:24px;margin-bottom:10px;}
.sy-prose ul li::before{
  content:"";position:absolute;left:4px;top:.72em;width:8px;height:8px;border-radius:50%;
  background:var(--sy-grad-brand);
}
.sy-prose ol{counter-reset:sy-ol;}
.sy-prose ol li{counter-increment:sy-ol;}
.sy-prose ol li::before{
  content:counter(sy-ol);position:absolute;left:0;top:.18em;
  width:18px;height:18px;border-radius:6px;background:rgba(255,90,43,.12);
  color:var(--sy-primary-deep);font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.sy-prose blockquote{
  margin:24px 0;padding:16px 20px;
  border-left:4px solid var(--sy-primary);
  background:rgba(255,90,43,.06);
  border-radius:0 12px 12px 0;
  color:var(--sy-ink-2);
}
.sy-prose blockquote p:last-child{margin-bottom:0;}
.sy-prose img{border-radius:16px;margin:22px 0;}
.sy-prose figure{margin:24px 0;}
.sy-prose figcaption{font-size:13px;color:var(--sy-ink-3);text-align:center;margin-top:10px;}
.sy-prose a{color:var(--sy-primary);border-bottom:1px solid rgba(255,90,43,.4);}
.sy-prose a:hover{color:var(--sy-primary-deep);border-bottom-color:var(--sy-primary-deep);}
.sy-prose table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  border:1px solid var(--sy-line);border-radius:14px;overflow:hidden;
}
.sy-prose thead th{background:var(--sy-bg-alt);color:var(--sy-ink);font-weight:600;}
.sy-prose th,.sy-prose td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--sy-line);}
.sy-prose tbody tr:nth-child(even){background:#FCFAF9;}
.sy-prose hr{border:none;height:1px;background:var(--sy-line);margin:36px 0;}
.sy-prose code{background:var(--sy-bg-alt);border-radius:6px;padding:2px 6px;font-size:15px;color:var(--sy-primary-deep);}

/* sidebar blocks */
.sy-side-card{
  background:#fff;border:1px solid var(--sy-line);border-radius:var(--sy-radius-md);
  padding:20px;box-shadow:var(--sy-shadow-1);
}
.sy-side-card + .sy-side-card{margin-top:20px;}
.sy-side-title{font-size:14px;font-weight:700;color:var(--sy-ink);margin-bottom:14px;letter-spacing:.02em;}
.sy-toc{display:flex;flex-direction:column;gap:2px;}
.sy-toc-link{
  font-size:13.5px;color:var(--sy-ink-3);line-height:1.6;
  padding:8px 10px;border-left:3px solid transparent;border-radius:0 8px 8px 0;
  transition:color .2s ease,background .2s ease,border-color .2s ease;
}
.sy-toc-link:hover{color:var(--sy-primary);background:rgba(255,90,43,.06);}
.sy-toc-link.is-active{color:var(--sy-primary);border-left-color:var(--sy-primary);background:rgba(255,90,43,.07);font-weight:600;}
.sy-tag-cloud{display:flex;flex-wrap:wrap;gap:8px;}
.sy-tag{
  display:inline-block;padding:6px 14px;border-radius:999px;font-size:13px;
  background:var(--sy-bg-alt);color:var(--sy-primary);
  transition:background .2s ease,color .2s ease;
}
.sy-tag:hover{background:var(--sy-primary);color:#fff;}
.sy-side-back{
  display:block;text-align:center;font-size:14px;font-weight:600;color:var(--sy-primary);
  border:1px dashed rgba(255,90,43,.45);border-radius:12px;padding:12px;
}
.sy-side-back:hover{background:rgba(255,90,43,.07);}

/* ---------- article end ---------- */
.sy-article-end{padding:56px 0 0;}
.sy-end-row{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;border-top:1px solid var(--sy-line);padding-top:28px;}
.sy-share{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--sy-ink-3);}
.sy-share-btn{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--sy-line);background:#fff;
  display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--sy-ink-3);
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.sy-share-btn:hover{border-color:rgba(255,90,43,.5);color:var(--sy-primary);transform:translateY(-2px);}

/* ---------- related ---------- */
.sy-related{padding:72px 0 0;}
.sy-related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:28px;}
.sy-mini-card{
  display:block;background:#fff;border:1px solid var(--sy-line);border-radius:var(--sy-radius-md);
  overflow:hidden;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.sy-mini-card:hover{transform:translateY(-4px);box-shadow:var(--sy-shadow-2);border-color:rgba(255,90,43,.3);}
.sy-mini-thumb{overflow:hidden;}
.sy-mini-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease;}
.sy-mini-card:hover .sy-mini-thumb img{transform:scale(1.04);}
.sy-mini-body{padding:16px 18px 18px;}
.sy-mini-title{
  font-size:16px;font-weight:600;color:var(--sy-ink);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.sy-mini-time{display:block;margin-top:10px;font-size:13px;color:var(--sy-ink-3);}

/* ---------- prev / next ---------- */
.sy-nav-pair{padding:48px 0 0;}
.sy-nav-pair-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.sy-pair-card{
  display:block;background:#fff;border:1px solid var(--sy-line);border-radius:var(--sy-radius-md);
  padding:20px 22px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.sy-pair-card:hover{transform:translateY(-3px);box-shadow:var(--sy-shadow-1);border-color:rgba(255,90,43,.3);}
.sy-pair-label{display:block;font-size:13px;color:var(--sy-ink-3);font-weight:600;margin-bottom:8px;}
.sy-pair-title{
  display:block;font-size:16px;font-weight:600;color:var(--sy-ink);line-height:1.5;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.sy-pair-card:hover .sy-pair-title{color:var(--sy-primary);}
.sy-pair-right{text-align:right;}
.sy-nav-pair-foot{margin-top:24px;display:flex;justify-content:center;}

/* ---------- CTA ---------- */
.sy-cta{margin-top:88px;background:var(--sy-grad-brand);padding:72px 0;}
.sy-cta-card{
  background:#FFF9F6;border-radius:var(--sy-radius-lg);padding:44px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:0 18px 44px rgba(22,24,31,.16);
}
.sy-cta-title{font-size:clamp(22px,2.6vw,30px);font-weight:800;color:var(--sy-ink);line-height:1.3;}
.sy-cta-sub{margin-top:10px;font-size:15px;color:var(--sy-ink-3);max-width:560px;}
.sy-cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- empty state ---------- */
.sy-empty{
  text-align:center;padding:64px 24px;background:#fff;border:1px solid var(--sy-line);
  border-radius:var(--sy-radius-lg);box-shadow:var(--sy-shadow-1);
}
.sy-empty svg{width:72px;height:72px;margin:0 auto 18px;display:block;color:rgba(255,90,43,.5);}
.sy-empty p{font-size:16px;color:var(--sy-ink-3);margin-bottom:20px;}

/* ---------- footer ---------- */
.sy-footer{background:var(--sy-ink);color:rgba(255,255,255,.72);border-top:1px solid rgba(255,90,43,.2);padding:64px 0 0;}
.sy-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.sy-footer h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;}
.sy-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);}
.sy-footer-brand{margin-bottom:18px;}
.sy-footer .sy-logo-text{color:#fff;}
.sy-footer-links{display:flex;flex-direction:column;gap:10px;}
.sy-footer-links a{font-size:14px;color:rgba(255,255,255,.66);transition:color .2s ease,transform .2s ease;}
.sy-footer-links a:hover{color:var(--sy-primary);transform:translateX(-2px);}
.sy-social{display:flex;gap:10px;margin-top:18px;}
.sy-social span{
  width:34px;height:34px;border-radius:10px;background:rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:center;font-size:13px;color:rgba(255,255,255,.75);
}
.sy-footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.08);
  padding:22px 0 28px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  :root{--sy-gap-section:80px;}
  .sy-article-side{flex:0 0 224px;width:224px;}
  .sy-article-grid{gap:36px;}
}
@media (max-width:1024px){
  .sy-article-side{display:none;}
  .sy-article-col{max-width:none;}
}
@media (max-width:991px){
  .sy-nav-chips{display:none;}
  .sy-header-cta .sy-btn{display:none;}
  .sy-burger{display:flex;}
  :root{--sy-gap-section:64px;}
  .sy-related-grid{grid-template-columns:repeat(2,1fr);}
  .sy-footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  :root{--sy-gap-section:48px;}
  .sy-container{padding:0 16px;}
  .sy-header-inner{height:60px;}
  .sy-chip{padding:8px 14px;}
  .sy-article-head{padding:24px 0 0;}
  .sy-article-title{font-size:26px;}
  .sy-article-main{padding:36px 0 0;}
  .sy-prose{font-size:16.5px;line-height:1.88;}
  .sy-prose h2{font-size:22px;margin:32px 0 12px;}
  .sy-prose h3{font-size:18px;margin:24px 0 10px;}
  .sy-article-cover img{aspect-ratio:16/10;}
  .sy-related-grid{grid-template-columns:1fr;}
  .sy-nav-pair-grid{grid-template-columns:1fr;}
  .sy-pair-right{text-align:left;}
  .sy-cta{padding:52px 0;}
  .sy-cta-card{padding:28px 22px;}
  .sy-cta-actions{width:100%;}
  .sy-cta-actions .sy-btn{width:100%;}
  .sy-breadcrumb .sy-crumb-now{max-width:52vw;}
  .sy-footer{padding-top:48px;}
  .sy-footer-grid{grid-template-columns:1fr;gap:28px;}
  .sy-footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:480px){
  .sy-article-title{font-size:23px;}
  .sy-mini-body{padding:14px 16px 16px;}
  .sy-end-row{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category1 */
/* ===================== 设计变量 ===================== */
:root{
  --sy-primary:#FF5A2B;
  --sy-primary-deep:#D93A16;
  --sy-secondary:#0FBF9F;
  --sy-accent:#FFB020;
  --sy-ink:#16181F;
  --sy-ink-2:#454B5A;
  --sy-ink-3:#6E7583;
  --sy-bg:#FFF9F6;
  --sy-bg-alt:#F2F5F9;
  --sy-line:#E8E3DE;
  --sy-white:#FFFFFF;
  --sy-grad-brand:linear-gradient(102deg,#FF7A45 0%,#FF4D6D 58%,#F0418F 100%);
  --sy-grad-badge:linear-gradient(135deg,#0FBF9F 0%,#37D6B4 100%);
  --sy-r-xl:24px;
  --sy-r-lg:20px;
  --sy-r-md:14px;
  --sy-r-sm:12px;
  --sy-sh-1:0 2px 8px rgba(22,24,31,.06);
  --sy-sh-2:0 12px 28px rgba(217,58,22,.16);
  --sy-container:1200px;
  --sy-font:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}

/* ===================== 基础 reset ===================== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sy-font);
  font-size:16px;
  line-height:1.85;
  color:var(--sy-ink-2);
  background:var(--sy-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;height:auto;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,box-shadow .2s ease,transform .2s ease;}
a:hover{color:var(--sy-primary-deep);}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--sy-primary);outline-offset:2px;}
::selection{background:rgba(255,90,43,.18);}

/* 覆盖 Foundation 默认观感 */
a{color:var(--sy-ink-2);}
a:hover,a:focus{color:var(--sy-primary-deep);text-decoration:none;}
button,.button,button.button{box-shadow:none;border-radius:var(--sy-r-sm);}
.accordion-title{background:transparent;}

/* ===================== 布局容器 ===================== */
.sy-container{width:100%;max-width:var(--sy-container);margin:0 auto;padding:0 24px;}
.sy-section{padding:88px 0;}
.sy-section--tight{padding:64px 0;}

.sy-skip{
  position:absolute;left:-9999px;top:0;background:var(--sy-ink);color:#fff;
  padding:10px 16px;border-radius:0 0 var(--sy-r-sm) 0;z-index:200;
}
.sy-skip:focus{left:0;color:#fff;}

/* ===================== 导航 ===================== */
.sy-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--sy-line);
  box-shadow:0 1px 0 rgba(22,24,31,.02);
}
.sy-nav{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;height:72px;
}
.sy-logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.sy-logo-mark{
  width:38px;height:38px;border-radius:11px;
  background:var(--sy-grad-brand);
  color:#fff;font-weight:800;font-size:19px;
  display:flex;align-items:center;justify-content:center;
  letter-spacing:-.02em;
  box-shadow:0 6px 14px rgba(217,58,22,.24);
}
.sy-logo-text{
  font-size:17px;font-weight:800;color:var(--sy-ink);
  letter-spacing:-.01em;white-space:nowrap;
}
.sy-logo:hover .sy-logo-text{color:var(--sy-primary-deep);}

.sy-nav-chips{
  display:flex;align-items:center;gap:4px;
  padding:4px;border-radius:999px;background:var(--sy-bg-alt);
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.sy-nav-chips::-webkit-scrollbar{display:none;}
.sy-chip{
  flex:0 0 auto;
  padding:8px 18px;border-radius:999px;
  font-size:14px;font-weight:500;color:var(--sy-ink-2);
  line-height:1.4;white-space:nowrap;
}
.sy-chip:hover{background:rgba(255,90,43,.10);color:var(--sy-primary-deep);}
.sy-chip.is-active{
  background:var(--sy-grad-brand);color:#fff;font-weight:600;
  box-shadow:0 4px 12px rgba(217,58,22,.22);
}
.sy-chip.is-active:hover{color:#fff;}

.sy-nav-cta{flex:0 0 auto;}

.sy-burger{
  display:none;flex:0 0 auto;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--sy-line);background:#fff;
  padding:0;align-items:center;justify-content:center;
  flex-direction:column;gap:4px;
}
.sy-burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--sy-ink);transition:.2s;}
.sy-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.sy-burger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.sy-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* 移动端抽屉 */
.sy-drawer{
  position:fixed;inset:0;z-index:120;background:rgba(22,24,31,.42);
  display:none;
}
.sy-drawer.is-open{display:block;}
.sy-drawer-inner{
  position:absolute;top:0;right:0;bottom:0;width:min(320px,84vw);
  background:#fff;padding:22px 20px 28px;overflow-y:auto;
  box-shadow:-10px 0 32px rgba(22,24,31,.18);
  animation:sySlide .24s ease;
}
@keyframes sySlide{from{transform:translateX(24px);opacity:.4;}to{transform:translateX(0);opacity:1;}}
.sy-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.sy-drawer-close{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--sy-line);
  font-size:18px;color:var(--sy-ink-3);line-height:1;
}
.sy-drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:22px;}
.sy-drawer-nav a{
  padding:12px 14px;border-radius:12px;font-size:15px;font-weight:500;
  border-left:3px solid transparent;color:var(--sy-ink-2);
}
.sy-drawer-nav a.is-active{
  border-left-color:var(--sy-primary);color:var(--sy-primary-deep);
  background:rgba(255,90,43,.08);font-weight:600;
}
.sy-drawer-foot{margin-top:18px;font-size:13px;color:var(--sy-ink-3);line-height:1.7;}

/* ===================== 按钮 ===================== */
.sy-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:12px 26px;border-radius:var(--sy-r-sm);
  font-size:15px;font-weight:600;line-height:1.4;
  border:1px solid transparent;text-align:center;
}
.sy-btn-primary{
  background:var(--sy-grad-brand);color:#fff;
  box-shadow:0 6px 16px rgba(217,58,22,.20);
}
.sy-btn-primary:hover{
  color:#fff;transform:translateY(-2px);
  box-shadow:0 12px 26px rgba(217,58,22,.28);
}
.sy-btn-primary:active{transform:translateY(-1px);}
.sy-btn-ghost{
  background:transparent;color:#fff;border:1px solid rgba(255,255,255,.72);
}
.sy-btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff;border-color:#fff;transform:translateY(-2px);}
.sy-btn-outline{
  background:#fff;color:var(--sy-primary-deep);border:1px solid var(--sy-primary);
}
.sy-btn-outline:hover{background:rgba(255,90,43,.08);color:var(--sy-primary-deep);border-color:var(--sy-primary-deep);}
.sy-btn-block{width:100%;}
.sy-btn-sm{min-height:40px;padding:8px 18px;font-size:14px;}
.sy-btn[disabled],.sy-btn.is-disabled{opacity:.4;pointer-events:none;box-shadow:none;}

.sy-link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--sy-primary-deep);
}
.sy-link-more::after{content:"→";transition:transform .2s ease;}
.sy-link-more:hover{color:var(--sy-primary);text-decoration:underline;}
.sy-link-more:hover::after{transform:translateX(4px);}

/* ===================== Banner ===================== */
.sy-banner{
  position:relative;
  display:flex;align-items:center;
  min-height:280px;padding:56px 0 64px;color:#fff;
  background-image:
    linear-gradient(102deg,rgba(255,122,69,.88) 0%,rgba(240,65,143,.86) 100%),
    url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  overflow:hidden;
}
.sy-banner::after{
  content:"";position:absolute;right:-120px;bottom:-160px;
  width:420px;height:420px;border-radius:50%;
  background:rgba(255,255,255,.10);pointer-events:none;
}
.sy-crumb{
  display:inline-flex;align-items:center;gap:8px;flex-wrap:wrap;
  padding:7px 16px;border-radius:999px;
  background:rgba(255,255,255,.18);
  font-size:13px;color:rgba(255,255,255,.92);
  margin-bottom:20px;
}
.sy-crumb a{color:rgba(255,255,255,.92);}
.sy-crumb a:hover{color:#fff;text-decoration:underline;}
.sy-crumb span.sep{opacity:.6;}
.sy-crumb-cur{color:#fff;font-weight:600;}
.sy-banner h1{
  font-size:clamp(30px,4.2vw,46px);
  font-weight:800;line-height:1.2;letter-spacing:-.01em;
  color:#fff;max-width:760px;
}
.sy-banner-sub{
  margin-top:14px;font-size:17px;line-height:1.8;
  color:rgba(255,255,255,.94);max-width:640px;
}
.sy-banner-actions{margin-top:26px;display:flex;gap:12px;flex-wrap:wrap;}

/* ===================== 数据徽章 ===================== */
.sy-badge-strip{
  position:relative;z-index:5;margin-top:-38px;
  background:#fff;border:1px solid var(--sy-line);
  border-radius:var(--sy-r-lg);box-shadow:var(--sy-sh-1);
  display:grid;grid-template-columns:repeat(3,1fr);
  overflow:hidden;
}
.sy-badge-item{padding:24px 26px;position:relative;}
.sy-badge-item + .sy-badge-item::before{
  content:"";position:absolute;left:0;top:22%;height:56%;width:1px;background:var(--sy-line);
}
.sy-badge-num{
  font-size:clamp(28px,3vw,38px);font-weight:800;color:var(--sy-ink);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1.1;
}
.sy-badge-num em{font-style:normal;font-size:16px;font-weight:600;color:var(--sy-ink-3);margin-left:4px;}
.sy-badge-label{margin-top:6px;font-size:14px;color:var(--sy-ink-3);}
.sy-badge-tag{
  display:inline-block;margin-bottom:10px;
  padding:3px 10px;border-radius:8px;
  background:rgba(15,191,159,.12);color:#0A8C75;
  font-size:12px;font-weight:600;
}

/* ===================== 主体两栏 ===================== */
.sy-layout{
  display:grid;grid-template-columns:200px minmax(0,1fr);
  gap:52px;align-items:start;
  padding:64px 0 0;
}
.sy-anchor{position:sticky;top:104px;}
.sy-anchor-title{
  font-size:13px;font-weight:600;color:var(--sy-ink-3);
  letter-spacing:.06em;margin-bottom:12px;padding-left:14px;
}
.sy-anchor a{
  display:block;padding:10px 12px 10px 14px;
  border-left:3px solid transparent;
  font-size:14px;line-height:1.5;color:var(--sy-ink-3);
}
.sy-anchor a:hover{color:var(--sy-primary-deep);background:rgba(255,90,43,.06);}
.sy-anchor a.is-active{
  border-left-color:var(--sy-primary);
  color:var(--sy-primary-deep);font-weight:600;
  background:linear-gradient(90deg,rgba(255,90,43,.10),rgba(255,90,43,0));
}
.sy-anchor-note{
  margin-top:20px;padding:14px 16px;border-radius:var(--sy-r-md);
  background:var(--sy-bg-alt);font-size:13px;line-height:1.75;color:var(--sy-ink-3);
}

.sy-block{
  padding-bottom:44px;margin-bottom:44px;
  border-bottom:1px solid var(--sy-line);
  scroll-margin-top:104px;
}
.sy-block:last-of-type{border-bottom:0;margin-bottom:0;padding-bottom:0;}
.sy-block h2{
  font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.3;
  color:var(--sy-ink);letter-spacing:-.01em;
  padding-left:14px;border-left:4px solid transparent;
  border-image:var(--sy-grad-brand) 1;
  margin-bottom:10px;
}
.sy-block-lead{
  font-size:15px;color:var(--sy-ink-3);margin-bottom:20px;padding-left:18px;
}
.sy-block p{font-size:16px;line-height:1.9;color:var(--sy-ink-2);margin-bottom:16px;}
.sy-block p:last-child{margin-bottom:0;}

.sy-points{margin:20px 0 6px;display:grid;gap:14px;}
.sy-points li{
  display:flex;gap:12px;align-items:flex-start;
  padding:16px 18px;border-radius:var(--sy-r-md);
  background:#fff;border:1px solid var(--sy-line);
  transition:box-shadow .2s ease,border-color .2s ease,transform .2s ease;
}
.sy-points li:hover{
  box-shadow:var(--sy-sh-2);border-color:rgba(255,90,43,.24);transform:translateY(-2px);
}
.sy-points .dot{
  flex:0 0 auto;width:10px;height:10px;border-radius:50%;
  background:var(--sy-grad-badge);margin-top:9px;
}
.sy-points strong{display:block;color:var(--sy-ink);font-size:15.5px;font-weight:600;margin-bottom:2px;}
.sy-points span.txt{font-size:14.5px;color:var(--sy-ink-2);line-height:1.8;}

.sy-figure{margin:24px 0 8px;}
.sy-figure img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:var(--sy-r-lg);border:1px solid var(--sy-line);
}
.sy-figure figcaption{
  margin-top:10px;font-size:13px;color:var(--sy-ink-3);text-align:center;
}

.sy-mini-metrics{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:22px 0 6px;
}
.sy-mini-card{
  padding:18px 20px;border-radius:var(--sy-r-md);
  background:var(--sy-bg-alt);border:1px solid transparent;
}
.sy-mini-card b{
  display:block;font-size:22px;font-weight:800;color:var(--sy-ink);
  font-variant-numeric:tabular-nums;letter-spacing:-.01em;
}
.sy-mini-card span{font-size:13.5px;color:var(--sy-ink-3);}

/* ===================== FAQ ===================== */
.sy-acc{margin:20px 0 0;}
.sy-acc .accordion-item{
  border:1px solid var(--sy-line);border-radius:var(--sy-r-md);
  background:#fff;margin-bottom:12px;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.sy-acc .accordion-item:hover{border-color:rgba(255,90,43,.28);}
.sy-acc .accordion-item.is-active{
  border-color:rgba(255,90,43,.42);box-shadow:var(--sy-sh-1);
}
.sy-acc .accordion-title{
  position:relative;display:block;
  padding:17px 52px 17px 20px;
  font-size:16px;font-weight:600;line-height:1.6;color:var(--sy-ink);
  border:0;
  background-color:#fff;
  background-image:linear-gradient(180deg,#FF7A45 0%,#F0418F 100%);
  background-size:0 100%;background-position:left center;background-repeat:no-repeat;
  transition:background-size .22s ease,color .2s ease;
}
.sy-acc .accordion-title:hover{color:var(--sy-primary-deep);}
.sy-acc .accordion-title::before{
  content:"";position:absolute;right:20px;top:50%;
  width:14px;height:14px;transform:translateY(-50%);
  background-image:
    linear-gradient(var(--sy-primary),var(--sy-primary)),
    linear-gradient(var(--sy-primary),var(--sy-primary));
  background-size:14px 2px,2px 14px;
  background-position:center center,center center;
  background-repeat:no-repeat;
  transition:transform .25s ease;
}
.sy-acc .accordion-item.is-active > .accordion-title{
  color:var(--sy-primary-deep);
  background-size:3px 100%;
}
.sy-acc .accordion-item.is-active > .accordion-title::before{
  transform:translateY(-50%) rotate(45deg);
}
.sy-acc .accordion-content{
  padding:0 20px 18px 20px;border:0;background:#fff;
  font-size:15px;line-height:1.85;color:var(--sy-ink-2);
}
.sy-acc .accordion-content p{margin-bottom:10px;font-size:15px;}
.sy-acc .accordion-content p:last-child{margin-bottom:0;}

/* ===================== CTA 条 ===================== */
.sy-cta-band{
  margin-top:72px;
  background:var(--sy-grad-brand);
  border-radius:var(--sy-r-xl);
  padding:44px 44px;
  color:#fff;position:relative;overflow:hidden;
  box-shadow:0 16px 36px rgba(217,58,22,.20);
}
.sy-cta-band::after{
  content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;
  border-radius:50%;background:rgba(255,255,255,.12);
}
.sy-cta-inner{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.sy-cta-band h2{
  font-size:clamp(22px,2.4vw,30px);font-weight:800;color:#fff;line-height:1.3;
}
.sy-cta-band p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.94);max-width:620px;}
.sy-cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.sy-cta-band .sy-btn-outline{
  background:#fff;color:var(--sy-primary-deep);border-color:#fff;
}
.sy-cta-band .sy-btn-outline:hover{background:rgba(255,255,255,.88);color:var(--sy-primary-deep);}

/* ===================== 推荐小卡 ===================== */
.sy-related{margin-top:56px;}
.sy-related-head{
  display:flex;align-items:baseline;justify-content:space-between;gap:16px;
  margin-bottom:20px;flex-wrap:wrap;
}
.sy-related-head h2{font-size:20px;font-weight:700;color:var(--sy-ink);}
.sy-related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.sy-mini-post{
  display:flex;gap:16px;align-items:center;
  padding:14px;border-radius:var(--sy-r-md);
  background:#fff;border:1px solid var(--sy-line);
  box-shadow:var(--sy-sh-1);
}
.sy-mini-post:hover{transform:translateY(-3px);box-shadow:var(--sy-sh-2);border-color:rgba(255,90,43,.24);}
.sy-mini-post img{
  width:118px;flex:0 0 118px;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--sy-r-sm);
}
.sy-mini-post h3{font-size:15.5px;font-weight:600;color:var(--sy-ink);line-height:1.5;margin-bottom:6px;}
.sy-mini-post .meta{font-size:13px;color:var(--sy-ink-3);}
.sy-back-home{margin-top:28px;}

/* ===================== 页脚 ===================== */
.sy-footer{
  margin-top:88px;background:var(--sy-ink);color:rgba(255,255,255,.72);
  border-top:1px solid rgba(255,90,43,.20);
  padding:64px 0 28px;
}
.sy-footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;
}
.sy-footer-brand{margin-bottom:16px;}
.sy-footer .sy-logo-text{color:#fff;}
.sy-footer h4{
  font-size:14px;font-weight:600;color:#fff;margin-bottom:14px;letter-spacing:.02em;
}
.sy-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);}
.sy-footer-links{display:flex;flex-direction:column;gap:10px;}
.sy-footer-links a{
  font-size:14px;color:rgba(255,255,255,.72);display:inline-block;
}
.sy-footer-links a:hover{color:var(--sy-primary);transform:translateX(-2px);}
.sy-social{display:flex;gap:10px;margin-top:16px;}
.sy-social span{
  width:34px;height:34px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.08);color:rgba(255,255,255,.78);font-size:13px;
}
.sy-footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.52);
}

/* ===================== 响应式 ===================== */
@media screen and (max-width:1199px){
  .sy-layout{gap:36px;}
}
@media screen and (max-width:1023px){
  .sy-section{padding:64px 0;}
  .sy-layout{grid-template-columns:1fr;gap:0;padding-top:48px;}
  .sy-anchor{
    position:static;margin-bottom:32px;
    border:1px solid var(--sy-line);border-radius:var(--sy-r-md);
    background:#fff;padding:16px;
  }
  .sy-anchor-nav{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;}
  .sy-anchor-nav::-webkit-scrollbar{display:none;}
  .sy-anchor a{
    border-left:0;border-bottom:3px solid transparent;
    border-radius:10px;white-space:nowrap;padding:8px 14px;
  }
  .sy-anchor a.is-active{
    border-left-color:transparent;border-bottom-color:var(--sy-primary);
    background:rgba(255,90,43,.08);
  }
  .sy-anchor-note{display:none;}
  .sy-footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media screen and (max-width:767px){
  .sy-container{padding:0 16px;}
  .sy-nav{height:60px;gap:12px;}
  .sy-nav-chips,.sy-nav-cta{display:none;}
  .sy-burger{display:flex;}
  .sy-section{padding:48px 0;}
  .sy-banner{min-height:240px;padding:40px 0 48px;}
  .sy-banner-sub{font-size:15.5px;}
  .sy-badge-strip{grid-template-columns:1fr;margin-top:-28px;}
  .sy-badge-item{padding:18px 20px;}
  .sy-badge-item + .sy-badge-item::before{
    left:20px;right:20px;top:0;height:1px;width:auto;
  }
  .sy-mini-metrics{grid-template-columns:1fr;}
  .sy-cta-band{padding:30px 22px;border-radius:var(--sy-r-lg);}
  .sy-cta-actions{width:100%;}
  .sy-cta-actions .sy-btn{flex:1 1 auto;}
  .sy-related-grid{grid-template-columns:1fr;}
  .sy-footer{padding:48px 0 24px;margin-top:56px;}
  .sy-footer-grid{grid-template-columns:1fr;gap:28px;}
  .sy-footer-bottom{flex-direction:column;gap:8px;}
  .sy-btn{min-height:48px;}
}
@media screen and (max-width:480px){
  .sy-block h2{font-size:21px;}
  .sy-block p{font-size:15.5px;}
  .sy-mini-post img{width:92px;flex:0 0 92px;}
  .sy-logo-text{font-size:16px;}
}

/* roulang page: category2 */
:root{
  --sy-primary:#FF5A2B;
  --sy-primary-deep:#D93A16;
  --sy-secondary:#0FBF9F;
  --sy-accent:#FFB020;
  --sy-ink:#16181F;
  --sy-ink-2:#454B5A;
  --sy-ink-3:#6E7583;
  --sy-bg:#FFF9F6;
  --sy-bg-alt:#F2F5F9;
  --sy-line:#E8E3DE;
  --sy-white:#FFFFFF;
  --sy-grad-brand:linear-gradient(102deg,#FF7A45 0%,#FF4D6D 58%,#F0418F 100%);
  --sy-grad-badge:linear-gradient(135deg,#0FBF9F 0%,#37D6B4 100%);
  --sy-r-lg:24px;
  --sy-r-md:16px;
  --sy-r-sm:12px;
  --sy-shadow-1:0 2px 8px rgba(22,24,31,.06);
  --sy-shadow-2:0 12px 28px rgba(217,58,22,.16);
  --sy-font:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sy-font);
  font-size:16px;
  line-height:1.85;
  color:var(--sy-ink-2);
  background:var(--sy-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--sy-ink);letter-spacing:-.01em;}
p{margin:0 0 1em;line-height:1.85;}
p:last-child{margin-bottom:0;}
a{color:var(--sy-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--sy-primary-deep);text-decoration:underline;}
img{max-width:100%;display:block;border-radius:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;background-image:none;border:0;margin:0;}
input,textarea,select{font-family:inherit;font-size:16px;}
[hidden]{display:none !important;}
:focus-visible{outline:2px solid var(--sy-primary);outline-offset:2px;border-radius:6px;}

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

/* 按钮 */
.sy-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--sy-r-sm);
  font-size:15px;font-weight:600;line-height:1.2;letter-spacing:0;
  cursor:pointer;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  text-decoration:none;
}
.sy-btn:hover{text-decoration:none;}
.sy-btn-primary{background:var(--sy-grad-brand);color:#fff;box-shadow:0 8px 18px rgba(255,90,43,.24);}
.sy-btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 26px rgba(217,58,22,.28);background:linear-gradient(122deg,#FF7A45 0%,#FF4D6D 58%,#F0418F 100%);}
.sy-btn-primary:active{transform:translateY(-1px);box-shadow:0 6px 14px rgba(217,58,22,.24);}
.sy-btn-ghost{background:#fff;color:var(--sy-primary);border-color:var(--sy-primary);}
.sy-btn-ghost:hover{background:rgba(255,90,43,.08);color:var(--sy-primary-deep);border-color:var(--sy-primary-deep);transform:translateY(-2px);}
.sy-btn-light{background:rgba(255,255,255,.94);color:var(--sy-primary-deep);border-color:rgba(255,255,255,.7);}
.sy-btn-light:hover{background:#fff;color:var(--sy-primary-deep);transform:translateY(-2px);box-shadow:0 10px 22px rgba(22,24,31,.16);}
.sy-btn-sm{padding:10px 20px;font-size:14px;border-radius:10px;}
.sy-btn[disabled],.sy-btn.is-disabled{opacity:.4;cursor:not-allowed;box-shadow:none;transform:none;pointer-events:none;}
.sy-link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--sy-primary);}
.sy-link-arrow i{font-style:normal;transition:transform .2s ease;}
.sy-link-arrow:hover{text-decoration:none;color:var(--sy-primary-deep);}
.sy-link-arrow:hover i{transform:translateX(4px);}

/* 头部导航 */
.sy-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--sy-line);
}
.sy-header-inner{display:flex;align-items:center;gap:20px;height:72px;}
.sy-logo{display:inline-flex;align-items:center;gap:10px;color:var(--sy-ink);flex:0 0 auto;}
.sy-logo:hover{text-decoration:none;color:var(--sy-ink);}
.sy-logo-mark{
  width:36px;height:36px;border-radius:11px;
  background:var(--sy-grad-brand);color:#fff;
  display:grid;place-items:center;
  font-size:19px;font-weight:800;line-height:1;
  box-shadow:0 6px 14px rgba(255,90,43,.28);
}
.sy-logo-text{font-size:17px;font-weight:800;letter-spacing:-.01em;}
.sy-nav-chips{
  display:flex;align-items:center;gap:4px;
  margin:0 auto;padding:4px;border-radius:999px;background:var(--sy-bg-alt);
}
.sy-chip{
  padding:8px 18px;border-radius:999px;
  font-size:14px;font-weight:500;color:var(--sy-ink-3);white-space:nowrap;
  transition:background .2s ease,color .2s ease,box-shadow .2s ease;
}
.sy-chip:hover{background:rgba(255,90,43,.1);color:var(--sy-primary-deep);text-decoration:none;}
.sy-chip.is-active{background:var(--sy-grad-brand);color:#fff;font-weight:600;box-shadow:0 6px 14px rgba(255,90,43,.24);}
.sy-header-cta{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.sy-burger{
  display:none;width:44px;height:44px;border-radius:12px;
  background:var(--sy-bg-alt);cursor:pointer;
  align-items:center;justify-content:center;
}
.sy-burger span{display:block;width:18px;height:2px;background:var(--sy-ink);border-radius:2px;position:relative;}
.sy-burger span::before,.sy-burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--sy-ink);border-radius:2px;
}
.sy-burger span::before{top:-6px;}
.sy-burger span::after{top:6px;}

/* 移动抽屉 */
.sy-drawer-mask{
  position:fixed;inset:0;background:rgba(22,24,31,.5);
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;z-index:80;
}
.sy-drawer-mask.is-open{opacity:1;visibility:visible;}
.sy-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);
  background:#fff;padding:24px 22px;overflow-y:auto;
  transform:translateX(105%);transition:transform .3s ease;z-index:90;
  box-shadow:-12px 0 40px rgba(22,24,31,.16);
}
.sy-drawer.is-open{transform:none;}
.sy-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.sy-drawer-close{width:40px;height:40px;border-radius:10px;background:var(--sy-bg-alt);color:var(--sy-ink);font-size:18px;cursor:pointer;line-height:1;}
.sy-drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:22px;}
.sy-drawer-nav a{
  padding:13px 14px;border-radius:12px;font-size:15px;font-weight:500;color:var(--sy-ink-2);
  border-left:3px solid transparent;background:var(--sy-bg-alt);
}
.sy-drawer-nav a:hover{text-decoration:none;background:rgba(255,90,43,.08);color:var(--sy-primary-deep);}
.sy-drawer-nav a.is-active{border-left-color:var(--sy-primary);background:#fff;color:var(--sy-primary);font-weight:600;box-shadow:var(--sy-shadow-1);}
.sy-drawer-cta{width:100%;}
.sy-drawer-foot{margin-top:20px;padding-top:18px;border-top:1px solid var(--sy-line);font-size:13px;color:var(--sy-ink-3);line-height:1.9;}

/* 分类页 Banner */
.sy-page-hero{
  position:relative;
  min-height:262px;
  padding:60px 0 56px;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  overflow:hidden;
}
.sy-page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(158deg,rgba(255,122,69,.85) 0%,rgba(240,65,143,.83) 100%);
}
.sy-page-hero .sy-container{position:relative;z-index:1;}
.sy-crumb{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.2);
  font-size:13px;color:rgba(255,255,255,.92);
  margin-bottom:18px;
}
.sy-crumb a{color:rgba(255,255,255,.92);}
.sy-crumb a:hover{color:#fff;text-decoration:none;}
.sy-crumb-current{color:#fff;font-weight:600;}
.sy-page-hero h1{
  font-size:clamp(30px,4.4vw,46px);
  font-weight:800;line-height:1.2;color:#fff;
  margin-bottom:14px;
}
.sy-page-hero .sy-hero-sub{
  max-width:640px;font-size:16px;line-height:1.85;color:rgba(255,255,255,.94);margin-bottom:24px;
}
.sy-badge-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.sy-badge-pill{
  display:inline-flex;align-items:baseline;gap:8px;
  padding:12px 18px;border-radius:14px;
  background:rgba(255,255,255,.95);
  box-shadow:0 8px 20px rgba(22,24,31,.14);
}
.sy-badge-pill b{font-size:20px;font-weight:800;color:var(--sy-primary-deep);font-variant-numeric:tabular-nums;}
.sy-badge-pill span{font-size:13px;color:var(--sy-ink-3);}

/* 板块 */
.sy-section{padding:96px 0;}
.sy-section-alt{background:var(--sy-bg-alt);}
.sy-head{max-width:740px;margin-bottom:36px;}
.sy-kicker{
  display:inline-block;margin-bottom:12px;padding:5px 14px;border-radius:999px;
  background:rgba(255,90,43,.1);color:var(--sy-primary-deep);
  font-size:13px;font-weight:600;letter-spacing:.02em;
}
.sy-head h2{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.3;margin-bottom:10px;}
.sy-head p{color:var(--sy-ink-3);font-size:16px;margin:0;}

/* 筛选 chip */
.sy-filter{
  display:flex;gap:10px;overflow-x:auto;padding:4px 0 16px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.sy-filter::-webkit-scrollbar{display:none;}
.sy-filter-chip{
  flex:0 0 auto;padding:9px 18px;border-radius:999px;
  border:1px solid var(--sy-line);background:#fff;
  color:var(--sy-ink-2);font-size:14px;font-weight:500;cursor:pointer;
  transition:border-color .2s ease,color .2s ease,background .2s ease,box-shadow .2s ease;
}
.sy-filter-chip:hover{border-color:rgba(255,90,43,.45);color:var(--sy-primary-deep);}
.sy-filter-chip.is-on{background:var(--sy-grad-brand);color:#fff;border-color:transparent;box-shadow:0 8px 18px rgba(255,90,43,.22);}

/* 非对称双列大卡 */
.sy-asym{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.sy-asym .sy-span-7{grid-column:span 7;}
.sy-asym .sy-span-5{grid-column:span 5;}
.sy-block-card{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--sy-line);border-radius:22px;overflow:hidden;
  box-shadow:var(--sy-shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.sy-block-card:hover{transform:translateY(-6px);box-shadow:var(--sy-shadow-2);border-color:rgba(255,90,43,.24);}
.sy-block-media{position:relative;overflow:hidden;background:var(--sy-bg-alt);}
.sy-span-7 .sy-block-media{aspect-ratio:16/9;}
.sy-span-5 .sy-block-media{aspect-ratio:16/10;}
.sy-block-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.sy-block-card:hover .sy-block-media img{transform:scale(1.04);}
.sy-block-tag{
  position:absolute;top:14px;left:14px;
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 12px;border-radius:999px;
  background:rgba(255,255,255,.94);color:var(--sy-primary-deep);
  font-size:12px;font-weight:600;
}
.sy-block-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.sy-span-5 .sy-block-body{padding:20px;}
.sy-block-body h3{font-size:20px;font-weight:600;line-height:1.45;}
.sy-span-5 .sy-block-body h3{font-size:18px;}
.sy-block-body p{font-size:15px;color:var(--sy-ink-2);margin:0;}
.sy-tags{display:flex;flex-wrap:wrap;gap:8px;}
.sy-tag{
  display:inline-block;padding:4px 11px;border-radius:999px;
  background:rgba(15,191,159,.12);color:#0a9c81;font-size:12px;font-weight:600;
}
.sy-tag.is-warm{background:rgba(255,176,32,.16);color:#a96a00;}
.sy-block-go{
  margin-top:auto;padding-top:12px;
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--sy-primary);
}
.sy-block-go i{font-style:normal;transition:transform .2s ease;}
.sy-block-go:hover{text-decoration:none;color:var(--sy-primary-deep);}
.sy-block-go:hover i{transform:translateX(4px);}
.sy-empty{
  margin-top:24px;padding:48px 24px;text-align:center;
  border:1px dashed var(--sy-line);border-radius:var(--sy-r-lg);
  background:#fff;color:var(--sy-ink-3);font-size:15px;
}
.sy-empty-icon{
  width:48px;height:48px;margin:0 auto 14px;border-radius:14px;
  background:var(--sy-bg-alt);display:grid;place-items:center;
  color:var(--sy-primary);font-size:22px;font-weight:800;
}

/* 流程（深色带） */
.sy-flow{position:relative;background:var(--sy-ink);color:#fff;padding:88px 0;overflow:hidden;}
.sy-flow::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(160deg,rgba(255,90,43,.26) 0%,rgba(240,65,143,.14) 52%,rgba(15,191,159,.08) 100%);
}
.sy-flow .sy-container{position:relative;z-index:1;}
.sy-flow .sy-head h2{color:#fff;}
.sy-flow .sy-head p{color:rgba(255,255,255,.72);}
.sy-flow .sy-kicker{background:rgba(255,255,255,.14);color:#fff;}
.sy-flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.sy-step{
  padding:26px 22px;border-radius:20px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  transition:background .25s ease,transform .25s ease;
}
.sy-step:hover{background:rgba(255,255,255,.1);transform:translateY(-4px);}
.sy-step-num{
  font-size:34px;font-weight:800;line-height:1;
  font-variant-numeric:tabular-nums;
  background:var(--sy-grad-badge);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  display:block;margin-bottom:14px;
}
.sy-step h3{font-size:17px;font-weight:600;color:#fff;margin-bottom:8px;}
.sy-step p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);margin:0;}

/* 场景列表（编号竖列） */
.sy-scene{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start;}
.sy-scene-visual{
  border-radius:20px;overflow:hidden;box-shadow:var(--sy-shadow-1);border:1px solid var(--sy-line);
}
.sy-scene-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.sy-numlist{border-top:1px solid var(--sy-line);}
.sy-numlist li{
  display:grid;grid-template-columns:64px 1fr;gap:18px;
  padding:24px 0;border-bottom:1px solid var(--sy-line);
}
.sy-numlist b{
  font-size:26px;font-weight:800;line-height:1.3;color:var(--sy-primary);
  font-variant-numeric:tabular-nums;
}
.sy-numlist h3{font-size:18px;font-weight:600;margin-bottom:6px;}
.sy-numlist p{font-size:15px;color:var(--sy-ink-2);margin:0;}

/* FAQ */
.sy-faq{margin:0;}
.sy-faq .accordion{margin:0;padding:0;background:transparent;border:0;}
.sy-faq .accordion-item{
  margin:0 0 12px;background:#fff;
  border:1px solid var(--sy-line);border-radius:14px;overflow:hidden;
  box-shadow:var(--sy-shadow-1);
  transition:border-color .2s ease;
}
.sy-faq .accordion-item:last-child{margin-bottom:0;}
.sy-faq .accordion-item:hover{border-color:rgba(255,90,43,.24);}
.sy-faq .accordion-title{
  position:relative;display:block;
  padding:18px 56px 18px 22px;
  font-size:16px;font-weight:600;line-height:1.5;color:var(--sy-ink);
  background:transparent;border:0;outline:0;
  transition:color .2s ease;
}
.sy-faq .accordion-title:hover{background:rgba(255,90,43,.04);color:var(--sy-primary-deep);text-decoration:none;}
.sy-faq .accordion-title::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;
  background:var(--sy-grad-brand);opacity:0;transition:opacity .2s ease;
}
.sy-faq .accordion-title::after{
  content:"";position:absolute;right:22px;top:50%;width:14px;height:2px;margin-top:-1px;
  background:var(--sy-primary);border-radius:2px;border:0;
  transition:transform .25s ease;
}
.sy-faq .accordion-title span{display:block;}
.sy-faq .accordion-title .sy-plus{
  position:absolute;right:28px;top:50%;width:2px;height:14px;margin-top:-7px;
  background:var(--sy-primary);border-radius:2px;
  transition:transform .25s ease,opacity .25s ease;
}
.sy-faq .accordion-item.is-active{border-color:rgba(255,90,43,.3);}
.sy-faq .accordion-item.is-active .accordion-title{color:var(--sy-primary);}
.sy-faq .accordion-item.is-active .accordion-title::before{opacity:1;}
.sy-faq .accordion-item.is-active .sy-plus{transform:rotate(45deg);}
.sy-faq .accordion-item.is-active .accordion-title::after{transform:rotate(45deg);}
.sy-faq .accordion-content{
  padding:0 22px 20px;border:0;background:transparent;
  font-size:15px;line-height:1.85;color:var(--sy-ink-2);
}
.sy-faq .accordion-content p{margin:0;font-size:15px;color:var(--sy-ink-2);}

/* CTA */
.sy-cta{background:var(--sy-grad-brand);padding:80px 0;}
.sy-cta-card{
  background:var(--sy-bg);border-radius:26px;
  padding:44px;display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;
  box-shadow:0 24px 48px rgba(22,24,31,.18);
}
.sy-cta-card h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.35;margin-bottom:12px;}
.sy-cta-card .sy-cta-sub{color:var(--sy-ink-2);font-size:15px;margin-bottom:22px;}
.sy-cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.sy-form{background:#fff;border:1px solid var(--sy-line);border-radius:20px;padding:24px;}
.sy-form label{display:block;font-size:14px;font-weight:600;color:var(--sy-ink);margin-bottom:10px;}
.sy-form .sy-field{display:flex;flex-direction:column;gap:12px;}
.sy-form input[type="email"]{
  width:100%;height:48px;padding:0 14px;border-radius:12px;
  border:1px solid var(--sy-line);background:#fff;color:var(--sy-ink);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.sy-form input[type="email"]::placeholder{color:#9aa1ad;font-size:14px;}
.sy-form input[type="email"]:focus{outline:0;border-color:var(--sy-primary);box-shadow:0 0 0 3px rgba(255,90,43,.12);}
.sy-form .sy-btn{width:100%;}
.sy-form-tip{font-size:13px;color:var(--sy-ink-3);margin:12px 0 0;}
.sy-required{color:var(--sy-primary);font-weight:700;margin-right:4px;}

/* 相关推荐 */
.sy-reco-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.sy-reco-card{
  display:flex;gap:18px;align-items:center;
  padding:16px;border-radius:18px;background:#fff;
  border:1px solid var(--sy-line);box-shadow:var(--sy-shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.sy-reco-card:hover{transform:translateY(-4px);box-shadow:var(--sy-shadow-2);border-color:rgba(255,90,43,.24);text-decoration:none;}
.sy-reco-thumb{flex:0 0 132px;border-radius:12px;overflow:hidden;background:var(--sy-bg-alt);}
.sy-reco-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.sy-reco-body h3{font-size:16px;font-weight:600;color:var(--sy-ink);margin-bottom:6px;}
.sy-reco-body p{font-size:14px;color:var(--sy-ink-3);margin:0;}
.sy-back-row{margin-top:28px;}

/* 页脚 */
.sy-footer{background:var(--sy-ink);color:rgba(255,255,255,.72);padding:64px 0 28px;border-top:1px solid rgba(255,90,43,.2);}
.sy-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:36px;}
.sy-footer h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px;}
.sy-footer p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.66);}
.sy-footer-brand{margin-bottom:14px;}
.sy-footer .sy-logo-text{color:#fff;}
.sy-footer-links{display:flex;flex-direction:column;gap:9px;}
.sy-footer-links a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease,transform .2s ease;}
.sy-footer-links a:hover{color:var(--sy-primary);transform:translateX(2px);text-decoration:none;}
.sy-social{display:flex;gap:10px;margin-top:16px;}
.sy-social span{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:rgba(255,255,255,.08);color:rgba(255,255,255,.8);font-size:13px;
}
.sy-footer-note{margin-top:10px;}
.sy-footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;color:rgba(255,255,255,.55);
}

/* 响应式 */
@media (max-width:1199px){
  .sy-scene{grid-template-columns:1fr;gap:36px;}
}
@media (max-width:991px){
  .sy-section{padding:64px 0;}
  .sy-flow{padding:64px 0;}
  .sy-cta{padding:64px 0;}
  .sy-container{padding:0 20px;}
  .sy-nav-chips{display:none;}
  .sy-burger{display:flex;}
  .sy-header-cta .sy-btn{display:none;}
  .sy-asym{grid-template-columns:repeat(6,1fr);}
  .sy-asym .sy-span-7,.sy-asym .sy-span-5{grid-column:span 6;}
  .sy-flow-grid{grid-template-columns:repeat(2,1fr);}
  .sy-cta-card{grid-template-columns:1fr;gap:28px;padding:32px;}
  .sy-footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
}
@media (max-width:767px){
  .sy-section{padding:48px 0;}
  .sy-flow{padding:52px 0;}
  .sy-cta{padding:52px 0;}
  .sy-container{padding:0 16px;}
  .sy-header-inner{height:60px;gap:12px;}
  .sy-logo-text{font-size:16px;}
  .sy-page-hero{padding:44px 0 40px;min-height:0;}
  .sy-page-hero h1{font-size:28px;}
  .sy-badge-row{gap:10px;}
  .sy-badge-pill{padding:10px 14px;border-radius:12px;}
  .sy-badge-pill b{font-size:17px;}
  .sy-flow-grid{grid-template-columns:1fr;}
  .sy-block-body{padding:18px;}
  .sy-span-5 .sy-block-body{padding:18px;}
  .sy-numlist li{grid-template-columns:44px 1fr;gap:14px;padding:20px 0;}
  .sy-numlist b{font-size:22px;}
  .sy-reco-grid{grid-template-columns:1fr;}
  .sy-reco-thumb{flex:0 0 104px;}
  .sy-cta-card{padding:24px;border-radius:20px;}
  .sy-cta-actions .sy-btn{width:100%;}
  .sy-footer-grid{grid-template-columns:1fr;gap:28px;}
  .sy-footer-bottom{flex-direction:column;gap:8px;}
  .sy-faq .accordion-title{padding:16px 52px 16px 18px;font-size:15px;}
  .sy-faq .accordion-content{padding:0 18px 18px;}
}
@media (max-width:480px){
  body{font-size:15px;}
  .sy-head h2{font-size:22px;}
  .sy-block-body h3,.sy-span-5 .sy-block-body h3{font-size:17px;}
  .sy-btn{padding:13px 22px;font-size:14px;}
  .sy-block-card{border-radius:18px;}
}