/* roulang page: index */
:root{
  --brand-600:#0EA79A;
  --brand-700:#0A7E75;
  --brand-300:#7FD9D0;
  --accent-500:#FF6A2B;
  --accent-200:#FFD9C6;
  --lime-400:#C9F04A;
  --ink-900:#12171A;
  --ink-600:#5A646B;
  --ink-300:#9AA3A9;
  --line:#E6E1D8;
  --bg:#F6F4EF;
  --surface:#FFFFFF;
  --surface-alt:#FBF9F5;
  --dark-band:#0F1417;
  --grad-main:linear-gradient(135deg,#0EA79A 0%,#7FD9D0 100%);
  --grad-accent:linear-gradient(135deg,#FF6A2B 0%,#FFB03A 100%);
  --r-sm:12px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:28px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(18,23,26,.05);
  --sh-md:0 10px 24px -14px rgba(18,23,26,.22);
  --sh-lg:0 26px 60px -28px rgba(18,23,26,.30);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink-900);
  background:var(--bg);
}
img{max-width:100%;display:block;}
a{color:var(--brand-700);text-decoration:none;}
a:hover{color:var(--brand-600);}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
.container{max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:88px 0;}
.section-head{max-width:720px;margin-bottom:40px;}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--brand-700);text-transform:uppercase;margin-bottom:14px;
}
.section-kicker::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-600);}
h2{font-size:28px;line-height:1.35;font-weight:700;letter-spacing:-.3px;}
.section-head p{margin-top:14px;color:var(--ink-600);font-size:16px;}
h3{font-size:20px;line-height:1.5;font-weight:700;}

/* ============ Dock 导航 ============ */
.dock-wrap{position:fixed;top:18px;left:0;right:0;z-index:80;display:flex;justify-content:center;padding:0 16px;pointer-events:none;}
.dock{
  pointer-events:auto;
  display:flex;align-items:center;gap:22px;
  width:auto;max-width:1120px;
  padding:10px 16px 10px 18px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);
  box-shadow:var(--sh-md);
  transition:padding .25s var(--ease),box-shadow .25s var(--ease);
}
.dock.is-compact{padding:6px 12px 6px 14px;box-shadow:var(--sh-lg);}
.dock-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.dock-logo svg{width:34px;height:34px;flex:0 0 auto;transition:transform .25s var(--ease);}
.dock-logo:hover svg{transform:rotate(-8deg);}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text strong{font-size:14px;font-weight:800;letter-spacing:-.2px;color:var(--ink-900);}
.logo-text span{font-size:11px;color:var(--ink-300);letter-spacing:.02em;}
.dock-nav{display:flex;align-items:center;gap:28px;margin-left:6px;}
.dock-nav a{
  position:relative;font-size:14.5px;font-weight:600;color:var(--ink-600);
  padding:6px 2px;transition:color .2s var(--ease);white-space:nowrap;
}
.dock-nav a::after{
  content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%) scaleX(0);
  width:16px;height:4px;border-radius:var(--r-pill);background:var(--brand-600);
  transition:transform .2s var(--ease);
}
.dock-nav a:hover{color:var(--brand-700);}
.dock-nav a:hover::after{transform:translateX(-50%) scaleX(1);}
.dock-nav a.is-active{color:var(--brand-700);background:rgba(14,167,154,.10);border-radius:var(--r-pill);padding:6px 14px;}
.dock-nav a.is-active::after{display:none;}
.dock-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto;}
.icon-btn{
  width:38px;height:38px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:var(--surface);color:var(--ink-600);
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.icon-btn:hover{background:var(--surface-alt);color:var(--brand-700);transform:translateY(-2px);box-shadow:var(--sh-sm);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:14.5px;font-weight:700;line-height:1;white-space:nowrap;
  padding:13px 26px;border-radius:var(--r-pill);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{background:var(--grad-accent);color:#fff;box-shadow:0 10px 22px -12px rgba(255,106,43,.85);}
.btn-primary:hover{color:#fff;transform:translateY(-3px);box-shadow:0 18px 30px -14px rgba(255,106,43,.9);}
.btn-ghost{border:1px solid var(--brand-600);color:var(--brand-700);background:transparent;border-radius:var(--r-sm);}
.btn-ghost:hover{background:rgba(14,167,154,.08);color:var(--brand-700);transform:translateY(-3px);}
.btn-brand{background:var(--grad-main);color:#fff;}
.btn-brand:hover{color:#fff;transform:translateY(-3px);box-shadow:var(--sh-md);}
.btn-dark-ghost{border:1px solid rgba(255,255,255,.32);color:#EAF3F1;background:transparent;border-radius:var(--r-sm);}
.btn-dark-ghost:hover{background:rgba(255,255,255,.10);color:#fff;transform:translateY(-3px);}
.btn-sm{padding:10px 18px;font-size:13.5px;}
.dock-toggle{display:none;}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:120;background:rgba(15,20,23,.55);
  opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s var(--ease);
}
.drawer.is-open{opacity:1;visibility:visible;}
.drawer-panel{
  position:absolute;left:0;right:0;bottom:0;background:var(--surface);
  border-radius:var(--r-xl) var(--r-xl) 0 0;padding:26px 22px 34px;
  transform:translateY(100%);transition:transform .3s var(--ease);
  max-height:88vh;overflow-y:auto;
}
.drawer.is-open .drawer-panel{transform:translateY(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-head strong{font-size:16px;font-weight:800;}
.drawer-nav{display:flex;flex-direction:column;gap:4px;}
.drawer-nav a{
  font-size:20px;font-weight:700;color:var(--ink-900);padding:14px 6px;
  border-bottom:1px solid var(--line);
}
.drawer-nav a.is-active{color:var(--brand-700);}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  padding:150px 0 76px;
  background-image:linear-gradient(180deg,rgba(246,244,239,.86),rgba(246,244,239,.97)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;right:-120px;top:60px;width:420px;height:420px;border-radius:50%;
  background:var(--grad-main);opacity:.14;filter:blur(10px);pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
.pill-badge{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:var(--r-pill);
  border:1px solid var(--brand-300);background:rgba(255,255,255,.75);
  font-size:13px;font-weight:700;color:var(--brand-700);
}
.pill-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-600);}
.hero h1{
  margin-top:22px;font-size:48px;line-height:1.16;font-weight:800;letter-spacing:-.5px;
}
.hero h1 em{font-style:normal;color:var(--brand-700);}
.hero-sub{margin-top:20px;font-size:17px;color:var(--ink-600);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.anchor-bar{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:38px;
  padding-top:24px;border-top:1px solid var(--line);
}
.anchor-bar a{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:var(--surface);font-size:13.5px;font-weight:600;color:var(--ink-600);
  transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.anchor-bar a:hover{border-color:var(--brand-300);color:var(--brand-700);transform:translateY(-3px);}
.anchor-bar a span{width:6px;height:6px;border-radius:50%;background:var(--accent-500);}
.hero-figure{position:relative;}
.hero-figure .frame{
  border-radius:var(--r-xl);overflow:hidden;aspect-ratio:16/10;box-shadow:var(--sh-lg);
  background:var(--grad-main);
}
.hero-figure .frame img{width:100%;height:100%;object-fit:cover;}
.hero-badges{position:absolute;right:-14px;bottom:-18px;display:flex;gap:10px;}
.stat-badge{
  background:var(--surface);border-radius:var(--r-md);padding:10px 16px;box-shadow:var(--sh-md);
  border:1px solid var(--line);min-width:104px;
}
.stat-badge b{display:block;font-size:22px;font-weight:800;letter-spacing:-.5px;}
.stat-badge span{font-size:12px;color:var(--ink-300);}
.stat-badge.is-lime{background:var(--lime-400);border-color:transparent;}
.stat-badge.is-brand{background:var(--brand-600);border-color:transparent;color:#fff;}
.stat-badge.is-brand span{color:rgba(255,255,255,.82);}

/* ============ 封面合集 ============ */
.cover-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.cover-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;aspect-ratio:4/5;
  box-shadow:var(--sh-md);display:block;color:#fff;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.cover-card:first-child{grid-column:span 2;aspect-ratio:16/11;}
.cover-card img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.cover-card:hover{transform:translateY(-3px);box-shadow:var(--sh-lg);color:#fff;}
.cover-card:hover img{transform:scale(1.04);}
.cover-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(15,20,23,.86) 0%,rgba(15,20,23,.28) 48%,rgba(15,20,23,0) 78%);
}
.cover-card .cover-body{position:absolute;left:0;right:0;bottom:0;padding:22px;z-index:2;}
.cover-card .cover-body h3{font-size:18px;color:#fff;}
.cover-card .cover-body p{margin-top:8px;font-size:13.5px;color:rgba(255,255,255,.78);}
.cover-tag{
  position:absolute;top:16px;left:16px;z-index:2;
  padding:5px 12px;border-radius:var(--r-pill);background:rgba(255,255,255,.92);
  font-size:12px;font-weight:700;color:var(--brand-700);
}

/* ============ 目录条目 ============ */
.toc-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0 40px;border-top:1px solid var(--line);}
.toc-item{
  position:relative;display:flex;gap:20px;align-items:flex-start;
  padding:24px 18px 24px 20px;border-bottom:1px solid var(--line);
  transition:transform .2s var(--ease),background .2s var(--ease);
}
.toc-item::before{
  content:"";position:absolute;left:0;top:20px;bottom:20px;width:3px;border-radius:3px;
  background:var(--brand-600);transform:scaleY(0);transform-origin:top;transition:transform .2s var(--ease);
}
.toc-item:hover{transform:translateX(4px);background:var(--surface-alt);}
.toc-item:hover::before{transform:scaleY(1);}
.toc-num{font-size:26px;font-weight:800;color:var(--line);letter-spacing:-1px;line-height:1.1;min-width:48px;}
.toc-item h3{font-size:17px;}
.toc-item p{margin-top:6px;font-size:14px;color:var(--ink-600);}

/* ============ 精选条目 ============ */
.feature-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:24px;}
.feature-card{
  grid-column:span 3;display:flex;gap:20px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-lg);padding:20px;
  box-shadow:var(--sh-sm);transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.feature-card:hover{transform:translateY(-3px);box-shadow:var(--sh-md);}
.feature-card .thumb{
  flex:0 0 42%;border-radius:var(--r-md);overflow:hidden;aspect-ratio:4/3;background:var(--grad-main);
}
.feature-card .thumb img{width:100%;height:100%;object-fit:cover;}
.feature-card h3{font-size:18px;}
.feature-card p{margin-top:8px;font-size:14px;color:var(--ink-600);}
.meta-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:14px;font-size:12.5px;color:var(--ink-300);}
.chip{
  display:inline-flex;align-items:center;padding:4px 11px;border-radius:var(--r-pill);
  background:rgba(14,167,154,.10);color:var(--brand-700);font-size:12px;font-weight:700;
}
.feature-card.is-small{
  grid-column:span 2;flex-direction:column;gap:14px;padding:16px;background:var(--surface-alt);
}
.feature-card.is-small .thumb{flex:none;width:100%;aspect-ratio:16/10;}
.feature-card.is-small h3{font-size:16px;}
.feature-card.is-small p{font-size:13.5px;}

/* ============ 最新信息 ============ */
.news-section{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.news-card{
  display:flex;gap:18px;padding:18px;border:1px solid var(--line);border-radius:var(--r-md);
  background:var(--surface-alt);transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .2s var(--ease);
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-md);border-color:var(--brand-300);}
.news-thumb{
  flex:0 0 132px;height:96px;border-radius:var(--r-sm);overflow:hidden;background:var(--grad-main);
}
.news-thumb img{width:100%;height:100%;object-fit:cover;}
.news-body{min-width:0;display:flex;flex-direction:column;}
.news-body h3{font-size:16.5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-body p{
  margin-top:8px;font-size:13.5px;color:var(--ink-600);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body .meta-row{margin-top:auto;padding-top:12px;}
.empty-card{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:12px;padding:48px 24px;border:1px dashed var(--line);border-radius:var(--r-md);
  background:var(--surface-alt);color:var(--ink-600);text-align:center;
}
.empty-card svg{width:36px;height:36px;color:var(--ink-300);}

/* ============ 数据徽章条 ============ */
.badge-band{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  padding:32px;border-radius:var(--r-lg);background:var(--surface-alt);border:1px solid var(--line);
}
.badge-item{display:flex;flex-direction:column;gap:6px;padding-left:20px;border-left:3px solid var(--brand-300);}
.badge-item:nth-child(2){border-left-color:var(--accent-500);}
.badge-item:nth-child(3){border-left-color:var(--lime-400);}
.badge-item b{font-size:30px;font-weight:800;letter-spacing:-1px;line-height:1.1;}
.badge-item span{font-size:13.5px;color:var(--ink-600);}

/* ============ 步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.step-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 22px;box-shadow:var(--sh-sm);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--sh-md);}
.step-index{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--r-pill);background:var(--grad-main);
  color:#fff;font-size:15px;font-weight:800;margin-bottom:18px;
}
.step-card h3{font-size:17px;}
.step-card p{margin-top:10px;font-size:14px;color:var(--ink-600);}

/* ============ FAQ ============ */
.faq-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-sm);
}
.faq-item + .faq-item{border-top:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;text-align:left;font-size:16px;font-weight:700;color:var(--ink-900);
  transition:background .2s var(--ease);
}
.faq-q:hover{background:var(--surface-alt);}
.faq-sign{
  flex:0 0 auto;width:30px;height:30px;border-radius:50%;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;
  color:var(--brand-700);background:var(--surface-alt);
  transition:transform .24s var(--ease),background .2s var(--ease),color .2s var(--ease);
}
.faq-item.is-open .faq-sign{transform:rotate(180deg);background:var(--brand-600);color:#fff;border-color:transparent;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease);}
.faq-a p{padding:0 22px 22px;font-size:14.5px;color:var(--ink-600);}

/* ============ CTA 带 ============ */
.cta-band{
  background:var(--dark-band);border-radius:var(--r-xl);padding:44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  color:#fff;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:320px;height:320px;border-radius:50%;
  background:var(--grad-main);opacity:.18;
}
.cta-band h2{color:#fff;font-size:26px;}
.cta-band p{margin-top:12px;font-size:14.5px;color:rgba(255,255,255,.72);max-width:560px;}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:12px;z-index:2;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:88px;background:var(--dark-band);color:#C9D2D0;
  border-top:1px solid transparent;
  background-image:linear-gradient(var(--dark-band),var(--dark-band)),linear-gradient(135deg,#0EA79A,#FF6A2B);
  background-origin:border-box;background-clip:padding-box,border-box;
  padding:64px 0 30px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand svg{width:32px;height:32px;}
.footer-brand strong{color:#fff;font-size:15px;font-weight:800;}
.footer-grid p{font-size:13.5px;color:rgba(255,255,255,.62);max-width:280px;}
.footer-social{display:flex;gap:10px;margin-top:20px;}
.footer-social a{
  width:36px;height:36px;border-radius:50%;border:1px solid rgba(255,255,255,.18);
  display:inline-flex;align-items:center;justify-content:center;color:rgba(255,255,255,.72);
  transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.footer-social a:hover{border-color:var(--brand-300);color:var(--brand-300);transform:translateY(-2px);}
.footer-col h3{font-size:14px;color:#fff;margin-bottom:16px;font-weight:700;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:13.5px;color:rgba(255,255,255,.66);transition:color .2s var(--ease);}
.footer-col a:hover{color:var(--brand-300);}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12.5px;color:rgba(255,255,255,.48);
}

/* ============ 响应式 ============ */
@media (min-width:1440px){
  :root{--container:1280px;}
}
@media (max-width:1280px){
  .dock-nav{gap:20px;}
}
@media (max-width:1024px){
  .container{padding:0 24px;}
  .section{padding:72px 0;}
  .hero{padding:132px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero h1{font-size:38px;}
  .cover-grid{grid-template-columns:repeat(2,1fr);}
  .cover-card:first-child{grid-column:span 2;aspect-ratio:16/9;}
  .feature-card{grid-column:span 3;}
  .feature-card.is-small{grid-column:span 3;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .badge-band{grid-template-columns:repeat(2,1fr);gap:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  .dock{top:auto;position:fixed;}
  .dock-wrap{top:14px;}
  .dock-nav{display:none;}
  .dock-toggle{display:inline-flex;}
  .icon-btn{width:36px;height:36px;}
  .logo-text span{display:none;}
  .hero{padding:118px 0 56px;}
  .hero h1{font-size:30px;letter-spacing:-.3px;}
  .hero-sub{font-size:15.5px;}
  .hero-badges{position:static;margin-top:16px;right:auto;bottom:auto;}
  h2{font-size:23px;}
  .section{padding:56px 0;}
  .cover-grid{grid-template-columns:1fr;gap:18px;}
  .cover-card:first-child{grid-column:span 1;aspect-ratio:16/10;}
  .cover-card{aspect-ratio:16/10;}
  .toc-list{grid-template-columns:1fr;gap:0;}
  .feature-grid{grid-template-columns:1fr;gap:18px;}
  .feature-card,.feature-card.is-small{grid-column:span 1;flex-direction:column;}
  .feature-card .thumb{flex:none;width:100%;aspect-ratio:16/10;}
  .news-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .badge-band{grid-template-columns:1fr;padding:24px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 24px;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .faq-q{padding:18px 18px;font-size:15.5px;min-height:44px;}
  .faq-a p{padding:0 18px 20px;}
}
@media (max-width:560px){
  .container{padding:0 18px;}
  .hero h1{font-size:27px;}
  .news-card{flex-direction:column;}
  .news-thumb{flex:none;width:100%;height:150px;}
  .anchor-bar{gap:8px;}
  .anchor-bar a{font-size:12.5px;padding:7px 13px;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn{width:100%;}
  .about-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}
.about-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.about-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;
  box-shadow:var(--sh-sm);transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.about-card:hover{transform:translateY(-3px);box-shadow:var(--sh-md);}
.about-card h3{font-size:17px;}
.about-card p{margin-top:10px;font-size:14px;color:var(--ink-600);}
.about-card ul{margin-top:12px;display:flex;flex-direction:column;gap:8px;}
.about-card li{position:relative;padding-left:18px;font-size:14px;color:var(--ink-600);}
.about-card li::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--brand-600);
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
  .cover-card:hover img{transform:none;}
}

/* roulang page: article */
:root{
  --brand-600:#0EA79A;
  --brand-700:#0A7E75;
  --brand-300:#7FD9D0;
  --accent-500:#FF6A2B;
  --accent-200:#FFD9C6;
  --lime-400:#C9F04A;
  --ink-900:#12171A;
  --ink-600:#5A646B;
  --ink-300:#9AA3A9;
  --line:#E6E1D8;
  --bg:#F6F4EF;
  --surface:#FFFFFF;
  --surface-alt:#FBF9F5;
  --dark:#0F1417;
  --grad-main:linear-gradient(135deg,#0EA79A 0%,#7FD9D0 100%);
  --grad-accent:linear-gradient(135deg,#FF6A2B 0%,#FFB03A 100%);
  --r-xs:12px;
  --r-sm:16px;
  --r-md:24px;
  --r-lg:28px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(18,23,26,.05);
  --sh-md:0 10px 24px -14px rgba(18,23,26,.22);
  --sh-lg:0 26px 60px -28px rgba(18,23,26,.30);
  --t:200ms cubic-bezier(.2,.7,.3,1);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans 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;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink-900);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
input{font:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
svg{display:block;}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;border-radius:6px;}
.num,.tabular{font-variant-numeric:tabular-nums;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
@media (min-width:1440px){.container{max-width:1280px;}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;line-height:1;
  transition:transform var(--t),box-shadow var(--t),background-color var(--t),color var(--t),border-color var(--t);
  white-space:nowrap;
}
.btn-primary{background:var(--grad-accent);color:#fff;box-shadow:var(--sh-md);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh-lg);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{border:1px solid var(--line);background:var(--surface);color:var(--ink-900);}
.btn-ghost:hover{border-color:var(--brand-600);color:var(--brand-700);transform:translateY(-2px);}
.btn-dark-ghost{border:1px solid rgba(255,255,255,.28);color:#fff;}
.btn-dark-ghost:hover{border-color:var(--brand-300);color:var(--brand-300);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- 标签 / 徽章 ---------- */
.pill{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:var(--r-pill);
  font-size:13px;font-weight:700;letter-spacing:.2px;
}
.pill-cat{background:rgba(14,167,154,.12);color:var(--brand-700);}
.pill-soft{background:var(--surface-alt);border:1px solid var(--line);color:var(--ink-600);font-weight:600;}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--surface);border:1px solid var(--line);
  font-size:13px;font-weight:700;color:var(--ink-600);
  box-shadow:var(--sh-sm);
}
.badge b{font-size:15px;color:var(--ink-900);font-variant-numeric:tabular-nums;}
.badge-lime{background:var(--lime-400);border-color:transparent;color:#25301a;}
.badge-lime b{color:#1c2413;}

/* ---------- 浮动 Dock 导航 ---------- */
.dock-shell{
  position:fixed;top:18px;left:0;right:0;z-index:80;
  display:flex;justify-content:center;padding:0 20px;
  transition:top var(--t);
}
.dock{
  display:flex;align-items:center;gap:24px;
  width:100%;max-width:1120px;
  padding:10px 14px 10px 18px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.86);
  border:1px solid var(--line);
  box-shadow:var(--sh-md);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:padding var(--t),box-shadow var(--t);
}
.dock-shell.is-scrolled{top:10px;}
.dock-shell.is-scrolled .dock{padding:6px 12px 6px 16px;box-shadow:var(--sh-lg);}
.dock-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.dock-logo svg{width:36px;height:36px;}
.dock-logo-text{display:flex;flex-direction:column;line-height:1.25;}
.dock-logo-text strong{font-size:15px;font-weight:800;letter-spacing:-.2px;}
.dock-logo-text em{font-style:normal;font-size:11px;color:var(--ink-300);letter-spacing:.3px;}
.dock-nav{display:flex;align-items:center;gap:26px;margin-left:auto;}
.dock-nav a{
  position:relative;font-size:14px;font-weight:600;color:var(--ink-600);
  padding:6px 2px;transition:color var(--t);
}
.dock-nav a::after{
  content:"";position:absolute;left:50%;bottom:0;width:4px;height:4px;border-radius:50%;
  background:var(--brand-600);transform:translate(-50%,6px) scale(0);transition:transform var(--t);
}
.dock-nav a:hover{color:var(--brand-700);}
.dock-nav a.is-active{color:var(--brand-700);}
.dock-nav a.is-active::after{transform:translate(-50%,2px) scale(1);}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--surface);color:var(--ink-600);
  transition:border-color var(--t),color var(--t),transform var(--t);
}
.icon-btn:hover{border-color:var(--brand-600);color:var(--brand-700);transform:translateY(-2px);}
.dock-toggle{display:none;width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--line);background:var(--surface);align-items:center;justify-content:center;}
.dock-drawer{
  position:fixed;inset:0;z-index:90;
  background:rgba(246,244,239,.97);backdrop-filter:blur(10px);
  padding:28px 24px 40px;
  display:flex;flex-direction:column;gap:8px;
  transform:translateY(100%);opacity:0;pointer-events:none;
  transition:transform 280ms cubic-bezier(.2,.7,.3,1),opacity 280ms;
}
.dock-drawer.is-open{transform:translateY(0);opacity:1;pointer-events:auto;}
.dock-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.dock-drawer a.d-item{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 4px;font-size:22px;font-weight:800;letter-spacing:-.3px;
  border-bottom:1px solid var(--line);color:var(--ink-900);
}
.dock-drawer a.d-item.is-active{color:var(--brand-700);}
.dock-drawer .d-cta{margin-top:26px;}

/* ---------- 面包屑 ---------- */
.page-top{padding-top:132px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-300);}
.breadcrumb a{color:var(--ink-600);transition:color var(--t);}
.breadcrumb a:hover{color:var(--brand-700);}
.breadcrumb .sep{color:var(--line);}
.breadcrumb .current{color:var(--ink-900);font-weight:600;}

/* ---------- 文章头部 ---------- */
.article-head{padding:26px 0 34px;border-bottom:1px solid var(--line);}
.article-head-top{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;}
.article-head h1{
  font-size:40px;line-height:1.24;font-weight:800;letter-spacing:-.5px;
  margin:16px 0 18px;max-width:860px;
}
.head-meta{display:flex;flex-wrap:wrap;align-items:center;gap:16px;font-size:13px;color:var(--ink-300);}
.head-meta .m{display:inline-flex;align-items:center;gap:6px;}
.head-meta .m b{color:var(--ink-600);font-weight:600;}
.head-tools{display:flex;gap:10px;flex:0 0 auto;}

/* ---------- 阅读区 ---------- */
.reading{padding:48px 0 72px;}
.reading-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;align-items:start;}
.article-main{min-width:0;max-width:780px;}
.rich-text{font-size:17px;line-height:1.9;color:var(--ink-900);}
.rich-text > * + *{margin-top:1.2em;}
.rich-text h2{
  font-size:26px;line-height:1.35;font-weight:800;letter-spacing:-.3px;
  margin:2.4em 0 .8em;padding-top:.2em;
}
.rich-text h2:first-child{margin-top:0;}
.rich-text h3{font-size:20px;line-height:1.4;font-weight:700;margin:2em 0 .6em;}
.rich-text p{margin:0;}
.rich-text ul,.rich-text ol{margin:1.1em 0;padding-left:1.35em;}
.rich-text ul li{list-style:disc;}
.rich-text ol li{list-style:decimal;}
.rich-text li{margin:.45em 0;}
.rich-text li::marker{color:var(--brand-600);}
.rich-text blockquote{
  margin:1.6em 0;padding:14px 20px;
  border-left:3px solid var(--brand-600);background:var(--surface-alt);
  border-radius:0 var(--r-xs) var(--r-xs) 0;color:var(--ink-600);
}
.rich-text img{border-radius:var(--r-sm);margin:1.6em 0;box-shadow:var(--sh-md);}
.rich-text figure{margin:1.8em 0;}
.rich-text figcaption{text-align:center;font-size:13px;color:var(--ink-300);margin-top:10px;}
.rich-text table{width:100%;border-collapse:collapse;font-size:15px;margin:1.6em 0;}
.rich-text th,.rich-text td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
.rich-text th{background:rgba(14,167,154,.10);font-weight:700;}
.rich-text strong{font-weight:700;}
.rich-text a{color:var(--brand-700);border-bottom:1px solid rgba(14,167,154,.4);}
.rich-text a:hover{border-bottom-color:var(--brand-700);}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;}
.empty-article{
  padding:44px 32px;border:1px dashed var(--line);border-radius:var(--r-md);
  background:var(--surface);text-align:center;
}
.empty-article h2{font-size:22px;font-weight:800;margin-bottom:10px;}
.empty-article p{color:var(--ink-600);margin-bottom:22px;}

/* ---------- 移动端目录 ---------- */
.mobile-toc{
  display:none;margin-bottom:26px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-sm);padding:4px 18px;
}
.mobile-toc summary{
  cursor:pointer;font-weight:700;font-size:15px;padding:14px 0;list-style:none;
}
.mobile-toc summary::-webkit-details-marker{display:none;}
.mobile-toc ol{padding-bottom:12px;}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:110px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:20px;box-shadow:var(--sh-sm);
}
.side-card h3{
  font-size:14px;font-weight:800;letter-spacing:.4px;color:var(--ink-600);
  margin-bottom:12px;display:flex;align-items:center;gap:8px;
}
.side-card h3::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--grad-main);}
.toc-list li{margin:0;}
.toc-list a{
  display:block;padding:7px 0 7px 12px;font-size:14px;color:var(--ink-600);
  border-left:2px solid transparent;line-height:1.5;
  transition:color var(--t),border-color var(--t),background-color var(--t);
}
.toc-list a:hover{color:var(--brand-700);}
.toc-list a.is-active{color:var(--brand-700);font-weight:700;border-left-color:var(--brand-600);background:rgba(14,167,154,.06);}
.toc-list li.lv3 a{padding-left:26px;font-size:13px;}
.mini-rec{display:flex;flex-direction:column;gap:12px;}
.mini-rec a{display:flex;gap:12px;align-items:center;transition:transform var(--t);}
.mini-rec a:hover{transform:translateX(4px);}
.mini-rec img{width:64px;height:48px;border-radius:10px;object-fit:cover;flex:0 0 auto;}
.mini-rec span{font-size:14px;font-weight:600;line-height:1.45;}
.top-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  width:100%;height:44px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--surface);font-size:14px;font-weight:700;color:var(--ink-600);
  transition:border-color var(--t),color var(--t);
}
.top-btn:hover{border-color:var(--brand-600);color:var(--brand-700);}

/* ---------- 标签行 ---------- */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:44px;padding-top:26px;border-top:1px solid var(--line);}
.tag-row .label{font-size:13px;color:var(--ink-300);margin-right:4px;}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;
  border-radius:var(--r-pill);background:var(--surface);border:1px solid var(--line);
  font-size:13px;font-weight:600;color:var(--ink-600);
  transition:border-color var(--t),color var(--t),transform var(--t);
}
.tag:hover{border-color:var(--brand-600);color:var(--brand-700);transform:translateY(-2px);}

/* ---------- 上下篇 ---------- */
.pager{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:56px;}
.pager-card{
  display:block;padding:22px;border-radius:var(--r-md);
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--sh-sm);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.pager-card:hover{transform:translateY(-3px);box-shadow:var(--sh-md);border-color:var(--brand-300);}
.pager-label{font-size:12px;font-weight:700;letter-spacing:.6px;color:var(--ink-300);}
.pager-card strong{display:block;margin:8px 0 6px;font-size:18px;font-weight:800;}
.pager-card p{font-size:14px;color:var(--ink-600);}
.pager-next{text-align:right;}

/* ---------- 相关推荐 ---------- */
.related{margin-top:64px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:24px;}
.section-head h2{font-size:26px;font-weight:800;letter-spacing:-.3px;}
.section-head p{font-size:14px;color:var(--ink-600);}
.rec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rec-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-sm);
  transition:transform var(--t),box-shadow var(--t);
}
.rec-card:hover{transform:translateY(-3px);box-shadow:var(--sh-md);}
.rec-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--grad-main);}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--t);}
.rec-card:hover .rec-thumb img{transform:scale(1.04);}
.rec-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rec-body h3{font-size:17px;font-weight:800;line-height:1.45;}
.rec-body p{font-size:14px;color:var(--ink-600);}
.rec-body .foot{margin-top:auto;font-size:13px;color:var(--ink-300);display:flex;gap:8px;align-items:center;}

/* ---------- 分享 CTA 带 ---------- */
.cta-band{
  margin-top:64px;padding:36px;border-radius:var(--r-lg);
  background:var(--dark);color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:var(--sh-lg);
}
.cta-band h2{font-size:24px;font-weight:800;letter-spacing:-.3px;margin-bottom:8px;}
.cta-band p{font-size:14px;color:rgba(255,255,255,.66);max-width:520px;}
.cta-actions{display:flex;gap:12px;flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:88px;background:var(--dark);color:#fff;
  border-top:1px solid transparent;
  background-image:linear-gradient(var(--dark),var(--dark)),var(--grad-main);
  background-origin:border-box;background-clip:padding-box,border-box;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;
  padding:64px 0 40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand svg{width:34px;height:34px;}
.footer-brand strong{font-size:16px;font-weight:800;}
.site-footer p{font-size:13px;color:rgba(255,255,255,.6);max-width:300px;line-height:1.8;}
.footer-social{display:flex;gap:10px;margin-top:18px;}
.footer-social a{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.18);color:rgba(255,255,255,.75);
  transition:border-color var(--t),color var(--t),transform var(--t);
}
.footer-social a:hover{border-color:var(--brand-300);color:var(--brand-300);transform:translateY(-2px);}
.footer-col h3{font-size:14px;font-weight:800;margin-bottom:16px;color:#fff;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:13px;color:rgba(255,255,255,.6);transition:color var(--t);}
.footer-col a:hover{color:var(--brand-300);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0 28px;display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;font-size:12px;color:rgba(255,255,255,.45);
}
.footer-bottom .tabular{font-variant-numeric:tabular-nums;}

/* ---------- 断点 ---------- */
@media (max-width:1024px){
  .reading-grid{grid-template-columns:minmax(0,1fr);gap:0;}
  .article-side{display:none;}
  .mobile-toc{display:block;}
  .dock-nav{gap:18px;}
  .rec-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:900px){
  .dock-nav{display:none;}
  .dock-toggle{display:inline-flex;}
  .dock-logo-text em{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  .container{padding:0 24px;}
  .page-top{padding-top:118px;}
  .article-head h1{font-size:30px;}
  .article-head-top{flex-direction:column;}
  .reading{padding:36px 0 56px;}
  .pager{grid-template-columns:minmax(0,1fr);}
  .pager-next{text-align:left;}
  .rec-grid{grid-template-columns:minmax(0,1fr);}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .site-footer{margin-top:64px;}
}
@media (max-width:560px){
  .container{padding:0 18px;}
  .dock{padding:8px 10px 8px 12px;gap:12px;}
  .dock-logo svg{width:32px;height:32px;}
  .dock-logo-text strong{font-size:13px;}
  .dock .btn-sm{padding:9px 14px;font-size:13px;}
  .article-head h1{font-size:26px;line-height:1.3;}
  .rich-text{font-size:16.5px;line-height:1.85;}
  .rich-text h2{font-size:22px;}
  .rich-text h3{font-size:18px;}
  .head-meta{gap:10px 14px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:6px;}
  .section-head h2{font-size:22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:48px 0 32px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category1 */
:root{
  --brand-600:#0EA79A;
  --brand-700:#0A7E75;
  --brand-300:#7FD9D0;
  --accent-500:#FF6A2B;
  --accent-200:#FFD9C6;
  --lime-400:#C9F04A;
  --ink-900:#12171A;
  --ink-600:#5A646B;
  --ink-300:#9AA3A9;
  --line:#E6E1D8;
  --bg:#F6F4EF;
  --surface:#FFFFFF;
  --surface-alt:#FBF9F5;
  --dark-band:#0F1417;
  --r-xs:12px;
  --r-sm:16px;
  --r-md:24px;
  --r-lg:28px;
  --sh-sm:0 1px 2px rgba(18,23,26,.05);
  --sh-md:0 10px 24px -14px rgba(18,23,26,.22);
  --sh-lg:0 26px 60px -28px rgba(18,23,26,.30);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:110px}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink-900);
  background:var(--bg);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
input{font:inherit}
.num,.tabular{font-variant-numeric:tabular-nums}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
@media (min-width:1440px){.container{max-width:1280px}}
@media (max-width:1024px){.container{padding:0 24px}}
@media (max-width:560px){.container{padding:0 18px}}

/* ============ 浮动 Dock 导航 ============ */
.dock-wrap{position:sticky;top:0;z-index:60;padding:18px 18px 0;pointer-events:none}
.dock{
  pointer-events:auto;
  display:flex;align-items:center;gap:18px;
  max-width:1120px;margin:0 auto;
  padding:10px 12px 10px 16px;
  border-radius:999px;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);
  box-shadow:var(--sh-md);
  transition:padding .25s var(--ease),box-shadow .25s var(--ease),max-width .25s var(--ease);
}
.dock.is-scrolled{padding:6px 10px 6px 12px;box-shadow:var(--sh-lg)}
.dock-logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.dock-logo svg{width:34px;height:34px;flex:none}
.dock-logo-text{display:flex;flex-direction:column;line-height:1.15}
.dock-logo-text strong{font-size:15px;font-weight:800;letter-spacing:-.2px;white-space:nowrap}
.dock-logo-text em{font-style:normal;font-size:11px;color:var(--ink-300);letter-spacing:.4px;white-space:nowrap}
.dock-nav{display:flex;align-items:center;gap:26px;margin:0 auto;font-size:14px}
.dock-nav a{position:relative;color:var(--ink-600);padding:8px 2px;white-space:nowrap;transition:color .2s var(--ease);border-radius:999px}
.dock-nav a:hover{color:var(--brand-700)}
.dock-nav a.is-active{color:var(--brand-700);font-weight:700}
.dock-nav a.is-active::after{content:"";position:absolute;left:50%;bottom:-1px;width:4px;height:4px;margin-left:-2px;border-radius:50%;background:var(--brand-600)}
.dock-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
.icon-btn{
  width:38px;height:38px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:var(--surface);color:var(--ink-600);
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
}
.icon-btn:hover{color:var(--brand-700);border-color:var(--brand-300);background:var(--surface-alt);transform:translateY(-1px)}
.dock-toggle{display:none}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{background:linear-gradient(135deg,var(--accent-500),#FFB03A);color:#fff;box-shadow:0 10px 22px -12px rgba(255,106,43,.75)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px -14px rgba(255,106,43,.85)}
.btn-ghost{border-color:var(--line);background:var(--surface);color:var(--ink-900)}
.btn-ghost:hover{border-color:var(--brand-300);color:var(--brand-700);transform:translateY(-2px)}
.btn-brand{background:var(--brand-600);color:#fff;box-shadow:0 10px 22px -14px rgba(14,167,154,.8)}
.btn-brand:hover{background:var(--brand-700);transform:translateY(-2px)}
.btn-sm{padding:9px 16px;font-size:14px}

/* ============ 首屏 ============ */
.page-hero{padding:64px 0 0}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:48px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  border:1px solid rgba(14,167,154,.35);
  background:rgba(127,217,208,.16);
  color:var(--brand-700);font-size:13px;font-weight:600;letter-spacing:.2px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-600)}
.page-hero h1{
  margin-top:20px;
  font-size:48px;line-height:1.14;font-weight:800;letter-spacing:-.5px;
}
.page-hero .hero-sub{
  margin-top:16px;max-width:560px;
  font-size:17px;line-height:1.7;color:var(--ink-600);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-side{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:18px;box-shadow:var(--sh-md);
}
.hero-side figure{
  margin:0;aspect-ratio:16/9;border-radius:var(--r-sm);overflow:hidden;
  background:linear-gradient(135deg,var(--brand-600),var(--brand-300));
}
.hero-side figure img{width:100%;height:100%;object-fit:cover}
.search-field{position:relative;margin-top:16px}
.search-field svg{position:absolute;left:14px;top:26px;color:var(--ink-300);pointer-events:none}
.search-field label{display:block;font-size:13px;color:var(--ink-600);margin-bottom:8px;font-weight:600}
.search-field input{
  width:100%;height:48px;border-radius:var(--r-xs);
  border:1px solid var(--line);background:var(--surface-alt);
  padding:0 14px 0 42px;font-size:15px;color:var(--ink-900);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.search-field input::placeholder{color:var(--ink-300)}
.search-field input:focus{border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(14,167,154,.18);background:#fff;outline:none}
.field-hint{margin-top:10px;font-size:13px;color:var(--ink-300)}

/* ============ 板块 ============ */
.section{padding:88px 0}
.section-tight{padding-top:0}
.section-head{max-width:660px;margin-bottom:34px}
.section-head h2{font-size:28px;line-height:1.3;font-weight:700;letter-spacing:-.3px}
.section-head p{margin-top:12px;font-size:15px;color:var(--ink-600)}
.divider-line{height:1px;background:var(--line);border:0;margin:0}

/* ============ 步骤区 ============ */
.steps-layout{display:grid;grid-template-columns:266px minmax(0,1fr);gap:48px;align-items:start}
.toc{
  position:sticky;top:112px;
  background:var(--surface-alt);border:1px solid var(--line);
  border-radius:var(--r-md);padding:24px;
}
.toc h3{font-size:14px;font-weight:700;letter-spacing:.6px;color:var(--ink-600);margin-bottom:16px}
.toc ol{counter-reset:toc}
.toc li{counter-increment:toc;margin-bottom:6px}
.toc a{
  display:flex;align-items:flex-start;gap:10px;
  padding:9px 10px;border-radius:var(--r-xs);
  font-size:14px;color:var(--ink-600);line-height:1.5;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.toc a::before{
  content:counter(toc,decimal-leading-zero);
  font-size:12px;color:var(--ink-300);font-weight:700;
  font-variant-numeric:tabular-nums;padding-top:2px;
}
.toc a:hover{background:#fff;color:var(--brand-700);transform:translateX(3px)}
.step-list{display:flex;flex-direction:column;gap:18px}
.step-card{
  display:grid;grid-template-columns:88px minmax(0,1fr);gap:20px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:26px 28px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--sh-md);border-color:var(--brand-300)}
.step-num{
  font-size:40px;font-weight:800;line-height:1;letter-spacing:-2px;
  color:var(--brand-300);font-variant-numeric:tabular-nums;
}
.step-card h3{font-size:20px;font-weight:700;margin-bottom:8px}
.step-card p{font-size:15px;color:var(--ink-600)}
.step-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{
  display:inline-flex;align-items:center;
  padding:4px 11px;border-radius:999px;
  background:rgba(127,217,208,.2);color:var(--brand-700);
  font-size:12px;font-weight:600;letter-spacing:.2px;
}
.tag-warm{background:var(--accent-200);color:#B8431A}

/* ============ 数据徽章 ============ */
.badge-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.badge-lg{
  min-height:56px;border-radius:var(--r-sm);
  padding:18px 20px;display:flex;flex-direction:column;justify-content:center;gap:4px;
  border:1px solid var(--line);background:var(--surface);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.badge-lg:hover{transform:translateY(-3px);box-shadow:var(--sh-md)}
.badge-lg .num{font-size:28px;font-weight:800;line-height:1.1;letter-spacing:-.5px}
.badge-lg .label{font-size:13px;color:var(--ink-600)}
.badge-lg.is-brand{background:var(--brand-600);border-color:transparent;color:#fff}
.badge-lg.is-brand .label{color:rgba(255,255,255,.82)}

/* ============ FAQ ============ */
.faq-list{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-sm);overflow:hidden;box-shadow:var(--sh-sm);
}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;font-size:16px;font-weight:700;line-height:1.6;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.faq-q:hover{background:var(--surface-alt);color:var(--brand-700)}
.faq-icon{
  flex:none;width:28px;height:28px;border-radius:50%;
  border:1px solid var(--line);position:relative;
  transition:transform .24s var(--ease),border-color .24s var(--ease),background .24s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand-700);
  transform:translate(-50%,-50%);transition:opacity .24s var(--ease);
}
.faq-icon::before{width:12px;height:2px}
.faq-icon::after{width:2px;height:12px}
.faq-item.is-open .faq-icon{transform:rotate(90deg);border-color:var(--brand-300);background:rgba(127,217,208,.16)}
.faq-item.is-open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease)}
.faq-a-inner{padding:0 24px 22px;font-size:15px;color:var(--ink-600)}
.faq-a-inner p + p{margin-top:10px}

/* ============ 分享 CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--dark-band);border-radius:var(--r-lg);
  padding:44px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  color:#fff;
}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-90px;
  width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(14,167,154,.5),transparent 68%);
  pointer-events:none;
}
.cta-band h2{font-size:26px;font-weight:800;letter-spacing:-.3px;line-height:1.3}
.cta-band p{margin-top:10px;font-size:15px;color:#B6BFC4;max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1;flex-shrink:0}
.btn-dark-ghost{border-color:rgba(255,255,255,.28);background:transparent;color:#fff}
.btn-dark-ghost:hover{background:rgba(255,255,255,.1);border-color:var(--brand-300);color:var(--brand-300);transform:translateY(-2px)}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;margin-top:96px;
  background:var(--dark-band);color:#C8CFD3;
  padding:60px 0 28px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,var(--brand-600),var(--brand-300),var(--accent-500));
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand svg{width:36px;height:36px;flex:none}
.footer-brand strong{color:#fff;font-size:16px;font-weight:800;letter-spacing:-.2px}
.site-footer p{font-size:14px;line-height:1.75;color:#98A2A8;max-width:320px}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{
  width:34px;height:34px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.16);color:#C8CFD3;
  transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.footer-social a:hover{color:var(--brand-300);border-color:var(--brand-300);transform:translateY(-2px)}
.footer-col h3{color:#fff;font-size:14px;font-weight:700;letter-spacing:.6px;margin-bottom:16px}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:14px;color:#98A2A8;transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--brand-300)}
.footer-bottom{
  margin-top:44px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.09);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:#79838A;
}

/* ============ 移动端抽屉 ============ */
.drawer{
  position:fixed;inset:0;z-index:80;
  background:rgba(15,20,23,.55);
  opacity:0;visibility:hidden;
  transition:opacity .25s var(--ease),visibility .25s var(--ease);
}
.drawer.is-open{opacity:1;visibility:visible}
.drawer-panel{
  position:absolute;left:0;right:0;bottom:0;
  background:var(--surface);border-radius:var(--r-lg) var(--r-lg) 0 0;
  padding:24px 22px 34px;
  transform:translateY(100%);
  transition:transform .3s var(--ease);
}
.drawer.is-open .drawer-panel{transform:translateY(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.drawer-head strong{font-size:15px;font-weight:800}
.drawer-panel nav a{
  display:block;padding:15px 4px;
  font-size:19px;font-weight:700;
  border-bottom:1px solid var(--line);
  transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.drawer-panel nav a:hover,.drawer-panel nav a.is-active{color:var(--brand-700);padding-left:10px}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .dock-nav{gap:16px;font-size:13px}
  .dock-logo-text em{display:none}
  .hero-grid{grid-template-columns:minmax(0,1fr) 330px;gap:32px}
  .page-hero h1{font-size:38px}
  .steps-layout{grid-template-columns:220px minmax(0,1fr);gap:32px}
  .badge-row{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:36px 32px}
}
@media (max-width:768px){
  .dock-wrap{
    position:fixed;top:auto;bottom:0;left:0;right:0;
    padding:10px 14px 14px;z-index:70;
  }
  .dock{max-width:none;padding:8px 10px;border-radius:999px}
  .dock.is-scrolled{padding:8px 10px}
  .dock-nav{display:none}
  .dock-actions{margin-left:auto}
  .dock-actions .btn-primary{display:none}
  .dock-toggle{display:inline-flex}
  body{padding-bottom:88px}
  .page-hero{padding:40px 0 0}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:28px}
  .page-hero h1{font-size:28px;line-height:1.25}
  .page-hero .hero-sub{font-size:15px}
  .section{padding:56px 0}
  .section-tight{padding-top:0}
  .section-head h2{font-size:22px}
  .steps-layout{grid-template-columns:minmax(0,1fr);gap:24px}
  .toc{position:static}
  .step-card{grid-template-columns:56px minmax(0,1fr);gap:14px;padding:20px 18px}
  .step-num{font-size:30px;letter-spacing:-1px}
  .step-card h3{font-size:17px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px 22px;gap:22px}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .faq-q{padding:16px 18px;font-size:15px;min-height:44px}
  .faq-a-inner{padding:0 18px 18px}
  .site-footer{margin-top:64px;padding:44px 0 24px}
  .footer-bottom{margin-top:32px;flex-direction:column;gap:8px}
}
@media (max-width:560px){
  .badge-row{grid-template-columns:minmax(0,1fr)}
  .hero-actions .btn{width:100%}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .site-footer p{max-width:none}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}

/* roulang page: category2 */
:root{
  --brand-600:#0EA79A;
  --brand-700:#0A7E75;
  --brand-300:#7FD9D0;
  --brand-50:#EAF7F5;
  --accent-500:#FF6A2B;
  --accent-200:#FFD9C6;
  --accent-50:#FFF3EC;
  --lime-400:#C9F04A;
  --ink-900:#12171A;
  --ink-600:#5A646B;
  --ink-300:#9AA3A9;
  --line:#E6E1D8;
  --bg:#F6F4EF;
  --surface:#FFFFFF;
  --surface-alt:#FBF9F5;
  --dark-band:#0F1417;
  --grad-main:linear-gradient(135deg,#0EA79A 0%,#7FD9D0 100%);
  --grad-accent:linear-gradient(135deg,#FF6A2B 0%,#FFB03A 100%);
  --r-pill:999px;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:28px;
  --sh-sm:0 1px 2px rgba(18,23,26,.05);
  --sh-md:0 10px 24px -14px rgba(18,23,26,.22);
  --sh-lg:0 26px 60px -28px rgba(18,23,26,.30);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
  --section-y:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-900);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
.num{font-variant-numeric:tabular-nums;}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--brand-600);
  outline-offset:2px;
  border-radius:6px;
}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}
.section{padding:var(--section-y) 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{font-size:28px;line-height:1.35;font-weight:700;letter-spacing:-.3px;}
.section-head p{margin-top:12px;color:var(--ink-600);font-size:15px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--brand-700);text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:var(--accent-500);
}

/* ---------- 浮动 Dock 导航 ---------- */
.dock-wrap{
  position:sticky;
  top:16px;
  z-index:60;
  padding:8px 18px 24px;
}
.dock{
  max-width:1120px;
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:20px;
  padding:12px 20px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);
  box-shadow:var(--sh-md);
  transition:padding .2s var(--ease),box-shadow .2s var(--ease);
}
.dock.is-scrolled{
  padding:8px 16px;
  box-shadow:var(--sh-lg);
}
.dock-logo{
  display:flex;align-items:center;gap:10px;flex:none;
}
.dock-logo svg{width:34px;height:34px;flex:none;}
.logo-text strong{
  display:block;font-size:14px;font-weight:800;letter-spacing:-.2px;line-height:1.2;
  color:var(--ink-900);
}
.logo-text span{
  display:block;font-size:11px;color:var(--ink-300);line-height:1.5;letter-spacing:.02em;
}
.dock-links{
  display:flex;align-items:center;gap:22px;margin:0 auto;
}
.dock-links a{
  position:relative;
  font-size:14px;
  color:var(--ink-600);
  padding:6px 2px;
  white-space:nowrap;
  transition:color .2s var(--ease);
}
.dock-links a::after{
  content:"";position:absolute;left:50%;bottom:-2px;
  width:0;height:4px;border-radius:var(--r-pill);
  background:var(--brand-600);
  transform:translateX(-50%);
  transition:width .2s var(--ease);
}
.dock-links a:hover{color:var(--brand-700);}
.dock-links a.is-active{color:var(--brand-700);font-weight:700;}
.dock-links a.is-active::after{width:16px;}
.dock-actions{display:flex;align-items:center;gap:10px;flex:none;}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:50%;
  border:1px solid var(--line);background:var(--surface);
  color:var(--ink-600);
  transition:transform .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.icon-btn:hover{transform:translateY(-2px);border-color:var(--brand-300);color:var(--brand-700);}
.dock-toggle{
  display:none;
  align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:50%;
  border:1px solid var(--line);background:var(--surface);
  color:var(--ink-900);
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:700;
  border:1px solid transparent;
  white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-primary{
  background:var(--grad-accent);
  color:#fff;
  box-shadow:0 10px 24px -14px rgba(255,106,43,.75);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px -16px rgba(255,106,43,.8);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:var(--surface);
  border-color:var(--line);
  color:var(--ink-900);
}
.btn-ghost:hover{border-color:var(--brand-600);color:var(--brand-700);transform:translateY(-2px);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}

/* ---------- 抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:90;
  background:rgba(15,20,23,.55);
  opacity:0;pointer-events:none;
  transition:opacity .24s var(--ease);
}
.drawer.is-open{opacity:1;pointer-events:auto;}
.drawer-panel{
  position:absolute;left:0;right:0;bottom:0;
  background:var(--surface);
  border-radius:var(--r-xl) var(--r-xl) 0 0;
  padding:26px 22px 34px;
  transform:translateY(100%);
  transition:transform .28s var(--ease);
}
.drawer.is-open .drawer-panel{transform:translateY(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-head strong{font-size:15px;font-weight:800;}
.drawer-links{display:flex;flex-direction:column;gap:6px;}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 4px;
  font-size:19px;font-weight:700;
  border-bottom:1px solid var(--line);
  color:var(--ink-900);
}
.drawer-links a.is-active{color:var(--brand-700);}
.drawer-links a span{font-size:13px;color:var(--ink-300);font-weight:500;}

/* ---------- Banner ---------- */
.page-banner{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-xl);
  padding:64px 56px;
  color:#fff;
  background-image:var(--grad-main);
  box-shadow:var(--sh-lg);
}
.page-banner::before{
  content:"";
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.png);
  background-size:cover;
  background-position:center;
  opacity:.20;
  mix-blend-mode:luminosity;
}
.page-banner::after{
  content:"";
  position:absolute;right:-80px;top:-90px;width:320px;height:320px;
  border-radius:50%;
  background:rgba(255,255,255,.14);
}
.banner-inner{position:relative;z-index:1;max-width:720px;}
.banner-inner h1{
  font-size:40px;line-height:1.2;font-weight:800;letter-spacing:-.5px;
}
.banner-inner p{
  margin-top:16px;font-size:17px;line-height:1.7;color:rgba(255,255,255,.92);max-width:600px;
}
.banner-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 16px;
  border-radius:var(--r-pill);
  font-size:13px;font-weight:700;
}
.badge-light{background:rgba(255,255,255,.94);color:var(--brand-700);}
.badge-lime{background:var(--lime-400);color:#12171A;}
.badge-soft{background:var(--brand-50);color:var(--brand-700);border:1px solid rgba(14,167,154,.25);}

/* ---------- Tabs ---------- */
.tabs{
  display:inline-flex;gap:6px;padding:6px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-sm);
  max-width:100%;
  overflow-x:auto;
  scrollbar-width:none;
}
.tabs::-webkit-scrollbar{display:none;}
.tab{
  height:44px;padding:0 26px;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:700;
  color:var(--ink-600);
  background:transparent;
  white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.tab:hover{color:var(--brand-700);background:var(--brand-50);}
.tab.is-active{background:var(--brand-600);color:#fff;}
.tab.is-active:hover{background:var(--brand-700);}
.tab-panel{display:none;margin-top:36px;}
.tab-panel.is-active{display:block;animation:fadeUp .32s var(--ease);}
@keyframes fadeUp{
  from{opacity:0;transform:translateY(10px);}
  to{opacity:1;transform:translateY(0);}
}
.panel-intro{
  max-width:720px;color:var(--ink-600);font-size:15.5px;margin-bottom:28px;
}

/* ---------- 卡片 ---------- */
.grid-3{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:24px;
  box-shadow:var(--sh-sm);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.card:hover{
  transform:translateY(-3px);
  box-shadow:var(--sh-md);
  border-color:var(--brand-300);
}
.card .card-icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;
  background:var(--brand-50);color:var(--brand-700);
  margin-bottom:16px;
}
.card h3{font-size:19px;line-height:1.4;font-weight:700;letter-spacing:-.2px;}
.card p{margin-top:10px;font-size:14.5px;line-height:1.7;color:var(--ink-600);}
.card .spec{
  display:flex;align-items:center;gap:8px;
  margin-top:16px;padding-top:14px;
  border-top:1px dashed var(--line);
  font-size:13px;color:var(--ink-300);
}
.card .spec b{color:var(--brand-700);font-weight:700;}

/* ---------- 图文交错 ---------- */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
  padding:44px 0;
  border-bottom:1px solid var(--line);
}
.split:last-of-type{border-bottom:0;}
.split-media{position:relative;}
.split-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--r-lg);
  box-shadow:var(--sh-md);
}
.split-media::after{
  content:"";
  position:absolute;left:-14px;bottom:-14px;
  width:96px;height:96px;border-radius:26px;
  background:var(--grad-main);
  opacity:.16;
  z-index:-1;
}
.split.reverse .split-media{order:2;}
.split-body h2{
  font-size:26px;line-height:1.35;font-weight:700;letter-spacing:-.3px;
}
.split-body > p{margin-top:14px;color:var(--ink-600);font-size:15.5px;}
.check-list{margin-top:20px;display:flex;flex-direction:column;gap:12px;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15px;color:var(--ink-900);
}
.check-list li svg{flex:none;margin-top:4px;color:var(--brand-600);}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px;}
.chip{
  display:inline-flex;align-items:center;
  height:28px;padding:0 12px;
  border-radius:var(--r-pill);
  background:var(--surface-alt);
  border:1px solid var(--line);
  font-size:12.5px;color:var(--ink-600);
}

/* ---------- 提示条 ---------- */
.notice{
  display:flex;
  align-items:flex-start;
  gap:18px;
  background:var(--accent-50);
  border-left:4px solid var(--accent-500);
  border-radius:var(--r-md);
  padding:22px 26px;
  flex-wrap:wrap;
}
.notice-icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:50%;
  background:var(--accent-200);
  color:#A63B10;
  flex:none;
}
.notice-body{flex:1;min-width:240px;}
.notice-body strong{display:block;font-size:16px;font-weight:700;color:var(--ink-900);}
.notice-body p{margin-top:6px;font-size:14.5px;color:var(--ink-600);}
.notice .btn-ghost{background:#fff;align-self:center;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:88px;
  background:var(--dark-band);
  color:#C9CFD4;
  position:relative;
  padding:64px 0 28px;
}
.site-footer::before{
  content:"";
  position:absolute;top:0;left:0;right:0;height:1px;
  background:var(--grad-main);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand svg{width:34px;height:34px;flex:none;}
.footer-brand strong{font-size:15px;color:#fff;font-weight:800;letter-spacing:-.2px;}
.site-footer p{font-size:13.5px;line-height:1.8;color:#9AA3A9;max-width:300px;}
.footer-social{display:flex;gap:10px;margin-top:20px;}
.footer-social a{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:50%;
  border:1px solid rgba(255,255,255,.16);
  color:#C9CFD4;
  transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.footer-social a:hover{color:var(--brand-300);border-color:var(--brand-300);transform:translateY(-2px);}
.footer-col h3{
  font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{
  font-size:13.5px;color:#9AA3A9;
  transition:color .2s var(--ease);
}
.footer-col a:hover{color:var(--brand-300);}
.footer-bottom{
  margin-top:48px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;
  font-size:12.5px;color:#7C858B;
}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  :root{--container:1200px;}
}
@media (max-width:1100px){
  .dock-links{gap:16px;}
  .dock-links a{font-size:13.5px;}
  .split{gap:40px;}
}
@media (max-width:1024px){
  :root{--section-y:72px;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .site-footer p{max-width:none;}
  .banner-inner h1{font-size:34px;}
}
@media (max-width:900px){
  .dock-links{display:none;}
  .dock-toggle{display:inline-flex;}
  .dock-actions .btn{display:none;}
  .dock-logo{margin-right:auto;}
}
@media (max-width:768px){
  .container{padding:0 24px;}
  .dock-wrap{
    position:fixed;
    top:auto;bottom:0;left:0;right:0;
    padding:0 12px 12px;
  }
  .dock{
    width:100%;max-width:none;
    border-radius:var(--r-lg);
    padding:10px 14px;
  }
  .dock.is-scrolled{padding:10px 14px;}
  .logo-text span{display:none;}
  body{padding-bottom:96px;}
  .page-banner{padding:44px 28px;border-radius:var(--r-lg);}
  .banner-inner h1{font-size:28px;}
  .banner-inner p{font-size:15.5px;}
  .split{grid-template-columns:1fr;gap:26px;padding:34px 0;}
  .split.reverse .split-media{order:0;}
  .split-body h2{font-size:22px;}
  .grid-3{grid-template-columns:1fr;}
  .section-head h2{font-size:22px;}
  .site-footer{margin-top:56px;padding-top:48px;}
  .notice{padding:18px 20px;}
  .notice .btn-ghost{width:100%;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  :root{--section-y:56px;}
  .banner-inner h1{font-size:25px;letter-spacing:-.3px;}
  .banner-badges .badge{height:28px;font-size:12px;padding:0 12px;}
  .tab{padding:0 18px;font-size:14px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .card:hover,.btn:hover{transform:none;}
}

/* roulang page: category3 */
:root{
  --brand-600:#0EA79A;
  --brand-700:#0A7E75;
  --brand-300:#7FD9D0;
  --accent-500:#FF6A2B;
  --accent-200:#FFD9C6;
  --lime-400:#C9F04A;
  --ink-900:#12171A;
  --ink-600:#5A646B;
  --ink-300:#9AA3A9;
  --line:#E6E1D8;
  --bg:#F6F4EF;
  --surface:#FFFFFF;
  --surface-alt:#FBF9F5;
  --dark-band:#0F1417;
  --grad-main:linear-gradient(135deg,#0EA79A 0%,#7FD9D0 100%);
  --grad-accent:linear-gradient(135deg,#FF6A2B 0%,#FFB03A 100%);
  --sh-sm:0 1px 2px rgba(18,23,26,.05);
  --sh-md:0 10px 24px -14px rgba(18,23,26,.22);
  --sh-lg:0 26px 60px -28px rgba(18,23,26,.30);
  --r-sm:16px;
  --r-md:24px;
  --r-lg:28px;
  --r-pill:999px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink-900);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,p{margin:0}
.tnum{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
[id]{scroll-margin-top:120px}

/* ============ 浮动 Dock 导航 ============ */
.dock-wrap{
  position:fixed;
  top:18px;left:0;right:0;
  z-index:80;
  display:flex;
  justify-content:center;
  padding:0 18px;
  pointer-events:none;
}
.dock{
  pointer-events:auto;
  display:flex;
  align-items:center;
  gap:16px;
  width:100%;
  max-width:1120px;
  padding:10px 14px 10px 16px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);
  box-shadow:var(--sh-md);
  transition:padding .2s var(--ease),box-shadow .2s var(--ease);
}
.dock.is-scrolled{padding:6px 12px 6px 14px;box-shadow:var(--sh-lg)}
.dock-logo{display:flex;align-items:center;gap:10px;flex:none}
.dock-logo svg{width:34px;height:34px;flex:none}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-text strong{font-size:14px;font-weight:800;letter-spacing:-.2px;white-space:nowrap}
.logo-text span{font-size:11px;color:var(--ink-300);white-space:nowrap}
.dock-nav{display:flex;align-items:center;gap:4px;margin:0 auto;font-size:14px}
.dock-nav a{
  padding:7px 13px;
  border-radius:var(--r-pill);
  color:var(--ink-600);
  white-space:nowrap;
  transition:color .2s var(--ease),background-color .2s var(--ease);
}
.dock-nav a:hover{color:var(--brand-700);background:rgba(14,167,154,.07)}
.dock-nav a.is-active{color:var(--brand-700);background:rgba(14,167,154,.12);font-weight:700}
.dock-actions{display:flex;align-items:center;gap:10px;flex:none}
.icon-btn{
  width:38px;height:38px;
  display:grid;place-items:center;
  border-radius:50%;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink-600);
  transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.icon-btn:hover{color:var(--brand-700);border-color:var(--brand-300);transform:translateY(-2px)}
.dock-menu{display:none}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);
  padding:11px 22px;
  font-size:14px;font-weight:700;
  white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),opacity .2s var(--ease);
}
.btn-primary{background:var(--grad-accent);color:#fff;box-shadow:0 10px 24px -14px rgba(255,106,43,.75)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px -16px rgba(255,106,43,.85)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;border:1px solid var(--line);color:var(--ink-900)}
.btn-ghost:hover{border-color:var(--brand-600);color:var(--brand-700);transform:translateY(-2px)}
.btn-outline-light{background:transparent;border:1px solid rgba(255,255,255,.28);color:#fff}
.btn-outline-light:hover{border-color:var(--brand-300);color:var(--brand-300);transform:translateY(-2px)}

/* ============ 移动抽屉 ============ */
.mobile-drawer{
  position:fixed;inset:0;z-index:90;
  background:rgba(15,20,23,.5);
  opacity:0;visibility:hidden;
  transition:opacity .25s var(--ease),visibility .25s var(--ease);
}
.mobile-drawer.is-open{opacity:1;visibility:visible}
.drawer-card{
  position:absolute;left:12px;right:12px;bottom:12px;
  background:#fff;border-radius:var(--r-md);
  padding:22px;
  transform:translateY(24px);
  transition:transform .3s var(--ease);
  box-shadow:var(--sh-lg);
}
.mobile-drawer.is-open .drawer-card{transform:translateY(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.drawer-head strong{font-size:15px}
.drawer-nav{display:grid;gap:6px;margin-bottom:18px}
.drawer-nav a{
  font-size:18px;font-weight:700;
  padding:12px 4px;
  border-bottom:1px solid var(--line);
  color:var(--ink-600);
}
.drawer-nav a.is-active{color:var(--brand-700)}
.drawer-cta{display:grid}

/* ============ 首屏 ============ */
main{padding-top:118px}
.hero-center{
  position:relative;
  padding:26px 0 8px;
  text-align:center;
  background:radial-gradient(circle at 50% -20%,rgba(14,167,154,.14),rgba(246,244,239,0) 62%);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  border:1px solid var(--brand-300);
  background:rgba(127,217,208,.14);
  color:var(--brand-700);
  font-size:13px;font-weight:700;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-600)}
.hero-center h1{
  margin:20px auto 0;
  max-width:860px;
  font-size:48px;line-height:1.16;
  font-weight:800;letter-spacing:-.5px;
}
.hero-center .hero-sub{
  margin:16px auto 0;
  max-width:620px;
  font-size:16px;
  color:var(--ink-600);
}

/* ============ 板块通用 ============ */
.section{padding:72px 0}
.sec-head{max-width:720px;margin-bottom:36px}
.sec-head h2{font-size:36px;line-height:1.2;font-weight:700;letter-spacing:-.3px}
.sec-head .sec-lead{margin-top:12px;font-size:16px;color:var(--ink-600)}

/* ============ 数据徽章栅格 ============ */
.secure-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.stat-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  padding:22px 24px;
  box-shadow:var(--sh-sm);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--sh-md)}
.stat-card.is-lime{background:var(--lime-400);border-color:transparent}
.stat-num{display:block;font-size:34px;font-weight:800;line-height:1.05;letter-spacing:-1px;color:var(--brand-700)}
.stat-card.is-lime .stat-num{color:var(--ink-900)}
.stat-label{display:block;margin-top:6px;font-size:14px;font-weight:700;color:var(--ink-900)}
.stat-card p{margin-top:10px;font-size:13px;line-height:1.65;color:var(--ink-300)}
.stat-card.is-lime p{color:rgba(18,23,26,.62)}

/* ============ 要点卡（不等高瀑布） ============ */
.masonry{columns:3;column-gap:22px}
.note-card{
  break-inside:avoid;
  display:inline-block;
  width:100%;
  margin-bottom:22px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  padding:24px;
  box-shadow:var(--sh-sm);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.note-card:hover{transform:translateY(-3px);box-shadow:var(--sh-md)}
.note-ico{
  width:40px;height:40px;
  display:grid;place-items:center;
  border-radius:12px;
  background:rgba(14,167,154,.1);
  color:var(--brand-700);
  margin-bottom:16px;
}
.note-card h3{font-size:20px;line-height:1.35;font-weight:700}
.note-card p{margin-top:10px;font-size:14px;line-height:1.8;color:var(--ink-600)}
.note-tag{
  display:inline-block;
  margin-top:14px;
  padding:4px 12px;
  border-radius:var(--r-pill);
  background:var(--surface-alt);
  border:1px solid var(--line);
  font-size:12px;
  color:var(--ink-600);
}

/* ============ 图文自查区块 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.split-media{
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh-md);
  background:linear-gradient(135deg,#0EA79A,#7FD9D0);
}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split-body h2{font-size:36px;line-height:1.2;font-weight:700;letter-spacing:-.3px}
.split-body .sec-lead{margin-top:12px;font-size:16px;color:var(--ink-600)}
.check-list{margin-top:24px;display:grid;gap:14px}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:12px;
  padding:14px 16px;
  font-size:15px;
  color:var(--ink-900);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.check-list li:hover{transform:translateY(-3px);box-shadow:var(--sh-sm)}
.check-list svg{flex:none;margin-top:4px;color:var(--brand-600)}

/* ============ 对照表 ============ */
.table-wrap{
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  background:var(--surface);
  box-shadow:var(--sh-sm);
}
table{width:100%;border-collapse:collapse;min-width:660px}
th{
  background:rgba(14,167,154,.09);
  color:var(--brand-700);
  font-size:13px;
  font-weight:700;
  text-align:left;
  padding:14px 20px;
  white-space:nowrap;
}
td{
  padding:16px 20px;
  border-top:1px solid var(--line);
  font-size:14px;
  color:var(--ink-600);
  vertical-align:top;
}
td:first-child{color:var(--ink-900);font-weight:700;white-space:nowrap}
tbody tr{transition:background-color .2s var(--ease)}
tbody tr:hover{background:var(--surface-alt)}

/* ============ CTA 条 ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-lg);
  background:var(--dark-band);
  color:#fff;
  padding:44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  box-shadow:var(--sh-lg);
}
.cta-band::before{
  content:"";
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;
  background-position:center;
  opacity:.2;
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{font-size:28px;line-height:1.25;font-weight:700}
.cta-band p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.72);max-width:520px}
.cta-actions{display:flex;gap:12px;flex:none}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  margin-top:88px;
  padding:64px 0 28px;
  background:var(--dark-band);
  color:#cfd6d9;
}
.site-footer::before{
  content:"";
  position:absolute;top:0;left:0;right:0;height:1px;
  background:var(--grad-main);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff}
.footer-brand svg{width:36px;height:36px;flex:none}
.footer-brand strong{font-size:15px;font-weight:800;letter-spacing:-.2px}
.footer-brand + p{margin-top:14px;font-size:14px;line-height:1.75;color:#9AA3A9;max-width:320px}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{
  width:34px;height:34px;
  display:grid;place-items:center;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.18);
  color:#cfd6d9;
  transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.footer-social a:hover{color:var(--brand-300);border-color:var(--brand-300);transform:translateY(-2px)}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px;font-size:14px}
.footer-col a{color:#9AA3A9;transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--brand-300)}
.footer-bottom{
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;
  flex-wrap:wrap;
  gap:12px 24px;
  justify-content:space-between;
  font-size:13px;
  color:#8b9498;
}

/* ============ 响应式 ============ */
@media (min-width:1440px){
  .container{max-width:1280px}
}
@media (max-width:1100px){
  .dock-nav{font-size:13px}
  .dock-nav a{padding:7px 10px}
}
@media (max-width:1024px){
  .container{padding:0 24px}
  .hero-center h1{font-size:40px}
  .sec-head h2,.split-body h2{font-size:30px}
  .masonry{columns:2}
  .secure-stats{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:60px 0}
}
@media (max-width:900px){
  .dock-wrap{top:auto;bottom:14px;padding:0 14px}
  .dock{
    max-width:none;
    padding:8px 12px;
    justify-content:space-between;
    gap:10px;
  }
  .dock.is-scrolled{padding:8px 12px}
  .dock-nav{display:none}
  .dock-actions .btn-primary{display:none}
  .dock-menu{display:grid}
  main{padding-top:96px;padding-bottom:76px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
}
@media (max-width:767px){
  .logo-text span{display:none}
  .hero-center h1{font-size:32px}
  .hero-center .hero-sub{font-size:15px}
  .sec-head h2,.split-body h2{font-size:26px}
  .section{padding:52px 0}
  .site-footer{margin-top:64px;padding:52px 0 24px}
}
@media (max-width:560px){
  .container{padding:0 18px}
  .hero-center h1{font-size:28px;letter-spacing:-.3px}
  .sec-head h2,.split-body h2{font-size:22px}
  .masonry{columns:1}
  .secure-stats{grid-template-columns:1fr}
  .stat-num{font-size:30px}
  .cta-band{padding:26px;border-radius:var(--r-md)}
  .cta-band h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-brand{grid-column:auto}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    transition-duration:.001ms !important;
  }
  html{scroll-behavior:auto}
  .dock-nav a:hover,.stat-card:hover,.note-card:hover,.check-list li:hover,
  .btn:hover,.icon-btn:hover,.footer-social a:hover{transform:none}
}

/* roulang page: category4 */
:root{
  --brand-600:#0EA79A;
  --brand-700:#0A7E75;
  --brand-300:#7FD9D0;
  --brand-tint:#EAF7F5;
  --accent-500:#FF6A2B;
  --accent-200:#FFD9C6;
  --lime-400:#C9F04A;
  --ink-900:#12171A;
  --ink-600:#5A646B;
  --ink-300:#9AA3A9;
  --line:#E6E1D8;
  --bg:#F6F4EF;
  --surface:#FFFFFF;
  --surface-alt:#FBF9F5;
  --dark-band:#0F1417;
  --grad-main:linear-gradient(135deg,#0EA79A 0%,#7FD9D0 100%);
  --grad-accent:linear-gradient(135deg,#FF6A2B 0%,#FFB03A 100%);
  --shadow-sm:0 1px 2px rgba(18,23,26,.05);
  --shadow-md:0 10px 24px -14px rgba(18,23,26,.22);
  --shadow-lg:0 26px 60px -28px rgba(18,23,26,.30);
  --r-sm:12px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:28px;
  --r-pill:999px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:200ms var(--ease);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink-900);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  padding-top:104px;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
svg{display:block}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:76px 0}
.section-head{max-width:760px;margin-bottom:34px}
.section-head h2{font-size:28px;line-height:1.36;font-weight:700;letter-spacing:-.2px}
.section-head p{margin-top:12px;color:var(--ink-600);font-size:15px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  border:1px solid var(--brand-300);color:var(--brand-700);
  background:rgba(127,217,208,.14);
  font-size:13px;font-weight:700;letter-spacing:.3px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent-500)}

/* ---------- Dock 导航 ---------- */
.site-header{position:relative;z-index:80}
.dock{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:calc(100% - 48px);max-width:1120px;
  display:flex;align-items:center;gap:18px;
  padding:10px 14px 10px 18px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);
  box-shadow:var(--shadow-md);
  transition:padding var(--t),box-shadow var(--t),background-color var(--t);
}
.dock.is-scrolled{padding:6px 12px 6px 14px;box-shadow:var(--shadow-lg);background:rgba(255,255,255,.94)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:40px;height:40px;flex:0 0 auto}
.brand-text{display:flex;flex-direction:column;line-height:1.16}
.brand-text strong{font-size:15px;font-weight:800;letter-spacing:-.2px;white-space:nowrap}
.brand-text span{font-size:11px;color:var(--ink-300);letter-spacing:.4px;white-space:nowrap}
.dock-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.dock-nav a{
  position:relative;padding:9px 15px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;color:var(--ink-600);
  transition:color var(--t),background-color var(--t);
  white-space:nowrap;
}
.dock-nav a:hover{color:var(--brand-700);background:var(--brand-tint)}
.dock-nav a.is-active{color:var(--brand-700);background:rgba(127,217,208,.26)}
.dock-nav a.is-active::after{
  content:"";position:absolute;left:50%;bottom:1px;transform:translateX(-50%);
  width:4px;height:4px;border-radius:50%;background:var(--brand-600);
}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:40px;height:40px;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid var(--line);background:#fff;color:var(--ink-600);
  cursor:pointer;transition:border-color var(--t),color var(--t),background-color var(--t),transform var(--t);
}
.icon-btn:hover{border-color:var(--brand-600);color:var(--brand-700);background:var(--brand-tint);transform:translateY(-2px)}
.menu-btn{display:none;width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;cursor:pointer;place-items:center}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:700;line-height:1;
  padding:14px 26px;border-radius:var(--r-pill);
  border:1px solid transparent;cursor:pointer;
  transition:transform var(--t),box-shadow var(--t),background-color var(--t),color var(--t),border-color var(--t),opacity var(--t);
}
.btn:active{transform:translateY(0) scale(.99)}
.btn-primary{background:var(--grad-accent);color:#fff;box-shadow:0 14px 28px -16px rgba(255,106,43,.85)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 36px -18px rgba(255,106,43,.9)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink-900)}
.btn-ghost:hover{border-color:var(--brand-600);color:var(--brand-700);background:var(--brand-tint)}
.btn-light{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.3);color:#fff}
.btn-light:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.5)}
.btn-dark{background:var(--dark-band);color:#fff}
.btn-dark:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed}

/* ---------- 抽屉（移动端） ---------- */
.drawer{
  position:fixed;inset:0;z-index:120;
  background:rgba(15,20,23,.5);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
  opacity:0;visibility:hidden;
  transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.drawer.is-open{opacity:1;visibility:visible}
.drawer-panel{
  position:absolute;left:50%;bottom:0;
  width:calc(100% - 20px);max-width:520px;
  transform:translate(-50%,102%);
  background:var(--surface);border-radius:var(--r-xl) var(--r-xl) 0 0;
  padding:24px 22px 30px;
  transition:transform .3s var(--ease);
}
.drawer.is-open .drawer-panel{transform:translate(-50%,0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.drawer-top span{font-size:13px;color:var(--ink-300);letter-spacing:.4px;font-weight:700}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 4px;font-size:20px;font-weight:800;
  border-bottom:1px solid var(--line);
  transition:color var(--t),padding-left var(--t);
}
.drawer-links a:hover{color:var(--brand-700);padding-left:10px}
.drawer-links a.is-active{color:var(--brand-700)}
.drawer-links a::after{content:"→";font-size:16px;color:var(--ink-300)}

/* ---------- Hero ---------- */
.hero{position:relative;padding:56px 0 64px;overflow:hidden}
.hero::before{
  content:"";position:absolute;top:-160px;right:-120px;
  width:520px;height:520px;border-radius:50%;
  background:var(--grad-main);opacity:.16;filter:blur(6px);
}
.hero::after{
  content:"";position:absolute;left:-140px;bottom:-220px;
  width:420px;height:420px;border-radius:50%;
  background:var(--accent-200);opacity:.5;filter:blur(2px);
}
.hero .container{position:relative;z-index:2;text-align:center}
.hero h1{
  margin-top:20px;
  font-size:48px;line-height:1.2;font-weight:800;letter-spacing:-.5px;
}
.hero-sub{
  margin:16px auto 0;max-width:640px;
  color:var(--ink-600);font-size:16px;
}
.search-hero{
  display:flex;align-items:center;gap:10px;
  max-width:720px;margin:30px auto 0;
  padding:6px 6px 6px 20px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  box-shadow:var(--shadow-md);
  transition:border-color var(--t),box-shadow var(--t);
}
.search-hero:focus-within{border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(14,167,154,.16),var(--shadow-md)}
.search-hero .search-ico{color:var(--ink-300);flex:0 0 auto}
.search-hero input{
  flex:1 1 auto;min-width:0;height:56px;border:0;background:transparent;
  outline:none;font-size:16px;
}
.search-hero input::placeholder{color:var(--ink-300)}
.search-tip{margin-top:14px;font-size:13px;color:var(--ink-300)}
.search-tip.is-warn{color:#D9463E}
.search-tip.is-ok{color:var(--brand-700)}
.hero-stats{
  margin-top:26px;display:flex;flex-wrap:wrap;gap:10px;justify-content:center;
}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);
  font-size:13px;color:var(--ink-600);
  box-shadow:var(--shadow-sm);
}
.chip b{color:var(--ink-900);font-weight:800}
.chip-lime{background:var(--lime-400);border-color:transparent;color:#26330a}
.chip-lime b{color:#1d2707}

/* ---------- 胶囊跳转条 ---------- */
.jump-bar{padding:0 0 8px}
.jump-inner{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:center;
  padding:18px;border-radius:var(--r-lg);
  background:var(--surface);border:1px solid var(--line);
}
.jump-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 20px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--surface-alt);
  font-size:14px;font-weight:600;color:var(--ink-600);
  transition:border-color var(--t),color var(--t),background-color var(--t),transform var(--t);
}
.jump-pill:hover{border-color:var(--brand-600);color:var(--brand-700);background:var(--brand-tint);transform:translateY(-2px)}
.jump-pill i{
  width:22px;height:22px;border-radius:50%;
  display:grid;place-items:center;font-size:11px;font-style:normal;font-weight:800;
  background:rgba(14,167,154,.14);color:var(--brand-700);
}

/* ---------- FAQ ---------- */
.faq-group + .faq-group{margin-top:44px}
.group-head{display:flex;align-items:center;gap:14px;margin-bottom:16px}
.group-head .idx{
  flex:0 0 auto;width:44px;height:44px;border-radius:14px;
  display:grid;place-items:center;font-weight:800;font-size:16px;
  background:var(--grad-main);color:#fff;
  font-variant-numeric:tabular-nums;
  box-shadow:0 12px 22px -14px rgba(14,167,154,.8);
}
.group-head h2{font-size:22px;font-weight:700;line-height:1.4}
.group-head p{margin-top:4px;font-size:13px;color:var(--ink-300)}
.faq-accordion{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-sm);
}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:44px;padding:20px 24px;cursor:pointer;
  font-size:16px;font-weight:700;line-height:1.6;
  list-style:none;
  transition:background-color var(--t),color var(--t);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:var(--surface-alt);color:var(--brand-700)}
.faq-icon{
  flex:0 0 28px;width:28px;height:28px;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid var(--line);color:var(--brand-700);
  font-size:16px;font-weight:700;line-height:1;
  transition:transform .24s var(--ease),background-color var(--t),border-color var(--t);
}
.faq-icon::before{content:"+"}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--brand-tint);border-color:var(--brand-300)}
.faq-body{padding:0 24px 22px;color:var(--ink-600);font-size:15px;line-height:1.85;max-width:860px}
.faq-body p + p{margin-top:10px}
.faq-item[open] .faq-body{animation:faqIn .24s var(--ease)}
@keyframes faqIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}

/* ---------- 相关帮助入口 ---------- */
.help-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:32px;align-items:stretch}
.help-visual{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  background:var(--grad-main);min-height:300px;
  box-shadow:var(--shadow-md);
}
.help-visual img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.help-visual figcaption{
  position:absolute;left:18px;bottom:18px;
  padding:8px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.9);font-size:13px;font-weight:700;color:var(--brand-700);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.help-list{display:flex;flex-direction:column;gap:14px}
.help-item{
  display:flex;align-items:center;gap:16px;
  padding:20px 22px;border-radius:var(--r-md);
  background:var(--surface);border:1px solid var(--line);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.help-item:hover{transform:translateX(4px);box-shadow:var(--shadow-md);border-color:var(--brand-300)}
.help-item .dot{
  flex:0 0 38px;width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;background:var(--brand-tint);color:var(--brand-700);
}
.help-item h3{font-size:16px;font-weight:700}
.help-item p{margin-top:4px;font-size:13.5px;color:var(--ink-600);line-height:1.7}
.help-item .arrow{margin-left:auto;color:var(--ink-300);flex:0 0 auto}

/* ---------- 联系卡 ---------- */
.contact-band{
  background:var(--dark-band);color:#fff;
  border-radius:var(--r-xl);
  padding:44px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center;
  position:relative;overflow:hidden;
}
.contact-band::before{
  content:"";position:absolute;top:-120px;right:-80px;width:320px;height:320px;
  border-radius:50%;background:var(--grad-main);opacity:.22;
}
.contact-copy{position:relative;z-index:2}
.contact-copy h2{font-size:26px;font-weight:700;line-height:1.36}
.contact-copy p{margin-top:12px;color:rgba(255,255,255,.72);font-size:15px;max-width:460px}
.contact-list{margin-top:18px;display:flex;flex-wrap:wrap;gap:10px}
.contact-list span{
  padding:7px 14px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.22);font-size:13px;color:rgba(255,255,255,.82);
}
.contact-form{
  position:relative;z-index:2;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.16);border-radius:var(--r-md);
  padding:22px;
}
.contact-form label{display:block;font-size:13px;color:rgba(255,255,255,.7);margin-bottom:8px}
.field{width:100%;height:48px;padding:0 16px;border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.22);background:rgba(15,20,23,.4);color:#fff;
  outline:none;transition:border-color var(--t),box-shadow var(--t);}
.field::placeholder{color:rgba(255,255,255,.4)}
.field:focus{border-color:var(--brand-300);box-shadow:0 0 0 3px rgba(127,217,208,.22)}
.contact-form .btn{margin-top:14px}
.form-msg{margin-top:12px;font-size:13px;color:var(--brand-300);min-height:20px}
.form-msg.is-error{color:#FF9B7A}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:76px;background:var(--dark-band);color:rgba(255,255,255,.72);
  padding:64px 0 30px;position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad-main);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand svg{width:38px;height:38px;flex:0 0 auto}
.footer-brand strong{color:#fff;font-size:16px;font-weight:800;letter-spacing:-.2px}
.site-footer p{font-size:13.5px;line-height:1.8;max-width:300px}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{
  width:36px;height:36px;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.18);color:rgba(255,255,255,.75);
  transition:color var(--t),border-color var(--t),background-color var(--t),transform var(--t);
}
.footer-social a:hover{color:var(--brand-300);border-color:var(--brand-300);background:rgba(127,217,208,.12);transform:translateY(-2px)}
.footer-col h3{color:#fff;font-size:14px;font-weight:700;margin-bottom:16px;letter-spacing:.2px}
.footer-col li + li{margin-top:10px}
.footer-col a{font-size:13.5px;color:rgba(255,255,255,.68);transition:color var(--t),padding-left var(--t)}
.footer-col a:hover{color:var(--brand-300);padding-left:4px}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12.5px;color:rgba(255,255,255,.5);
}
.footer-bottom .num{letter-spacing:.3px}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .container{padding:0 24px}
  .hero h1{font-size:40px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .help-grid{grid-template-columns:1fr;gap:24px}
  .contact-band{grid-template-columns:1fr;padding:34px}
  .dock-nav{gap:2px}
  .dock-nav a{padding:9px 11px;font-size:13px}
}
@media (max-width:860px){
  .dock-nav{display:none}
  .menu-btn{display:grid}
  .dock{
    top:auto;bottom:14px;
    width:calc(100% - 28px);
    padding:8px 10px 8px 14px;
  }
  body{padding-top:84px;padding-bottom:96px}
  .hero{padding:24px 0 48px}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .hero h1{font-size:32px;letter-spacing:-.3px}
  .hero-sub{font-size:15px}
  .search-hero{flex-wrap:wrap;padding:10px;border-radius:var(--r-lg)}
  .search-hero .search-ico{margin-left:8px}
  .search-hero input{height:48px;padding:0 10px}
  .search-hero .btn{width:100%}
  .section-head h2{font-size:24px}
  .group-head h2{font-size:20px}
  .faq-item summary{padding:18px 18px;font-size:15.5px}
  .faq-body{padding:0 18px 20px;font-size:14.5px}
  .contact-band{padding:26px 22px;border-radius:var(--r-lg)}
  .contact-copy h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .brand-text strong{font-size:14px}
  .brand-text span{display:none}
}
@media (max-width:560px){
  .container{padding:0 18px}
  .hero h1{font-size:28px;line-height:1.28}
  .jump-inner{padding:14px;border-radius:var(--r-md)}
  .jump-pill{width:100%;justify-content:flex-start}
  .help-visual{min-height:220px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;gap:8px}
  .dock{gap:10px}
  .dock-actions .btn-primary{padding:10px 16px;font-size:13.5px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important}
  html{scroll-behavior:auto}
}
html{scroll-behavior:smooth}