/* roulang page: index */
:root{
  --paper:#F7F5F1;
  --paper-2:#ECE7DF;
  --ink:#15171A;
  --ink-soft:#3C424A;
  --muted:#7C838C;
  --accent:#FF4D19;
  --accent-deep:#D93A0B;
  --accent-2:#0E9F86;
  --line:rgba(21,23,26,.12);
  --line-inv:rgba(255,255,255,.10);
  --r-s:6px;
  --r-m:12px;
  --r-l:20px;
  --r-pill:999px;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --shadow-1:0 1px 2px rgba(21,23,26,.04);
  --shadow-2:0 10px 30px rgba(21,23,26,.06);
  --shadow-3:0 14px 30px rgba(21,23,26,.10);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  color:var(--ink-soft);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;border:0}
a{color:var(--accent-2);text-decoration:none;transition:color .18s var(--ease)}
a:hover,a:focus{color:var(--accent-deep)}
h1,h2,h3,h4,h5,h6{font-family:var(--sans);color:var(--ink);margin:0;font-weight:700;line-height:1.22;letter-spacing:-.01em}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{background:none;border:0;padding:0;cursor:pointer}
.button,.callout,.accordion,.tabs,.pagination,.top-bar,.menu{background:transparent;border:0;padding:0;margin:0;color:inherit}
.callout{margin:0}
.grid-margin-x{margin-left:-12px;margin-right:-12px}
.grid-margin-x>.cell{padding-left:12px;padding-right:12px}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:3px}
::selection{background:rgba(255,77,25,.18)}

/* ---------- 容器与板块 ---------- */
.hb-container{width:100%;max-width:1280px;margin:0 auto;padding:0 20px}
.hb-section{padding:64px 0;scroll-margin-top:96px}
.hb-section-tight{padding:48px 0}
.hb-sec-head{max-width:760px;margin-bottom:40px}
.hb-sec-head h2{font-size:clamp(24px,3.4vw,40px);margin-bottom:14px}
.hb-lead{color:var(--muted);font-size:16.5px;margin:0}
.hb-eyebrow{
  display:inline-block;font-size:12px;letter-spacing:4px;text-transform:uppercase;
  color:var(--accent-2);font-family:var(--mono);margin-bottom:14px;
}
.hb-divider{height:1px;background:var(--line);border:0;margin:0}
.hb-num{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* ---------- Dock 导航 ---------- */
.hb-dock-wrap{position:fixed;top:0;left:0;right:0;z-index:80;padding:18px 16px 0;pointer-events:none;transition:padding .24s var(--ease)}
.hb-dock{
  pointer-events:auto;max-width:1120px;margin:0 auto;
  display:flex;align-items:center;gap:20px;
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-pill);
  padding:12px 12px 12px 20px;box-shadow:var(--shadow-2);
  transition:padding .24s var(--ease),box-shadow .24s var(--ease);
}
.hb-dock.is-compact{padding-top:8px;padding-bottom:8px;box-shadow:0 12px 34px rgba(21,23,26,.12)}
.hb-logo{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;font-size:17px;letter-spacing:-.01em;white-space:nowrap}
.hb-logo:hover{color:var(--ink)}
.hb-logo-mark{
  position:relative;flex:none;width:24px;height:24px;border-radius:8px;background:var(--accent);
}
.hb-logo-mark::after{
  content:"";position:absolute;left:8px;top:6px;width:7px;height:12px;
  border-right:2.5px solid #fff;border-bottom:2.5px solid #fff;
  transform:rotate(40deg);
}
.hb-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.hb-nav a{
  position:relative;display:inline-flex;align-items:center;
  padding:8px 14px;border-radius:var(--r-pill);font-size:14.5px;color:var(--ink-soft);
  transition:background .18s var(--ease),color .18s var(--ease);
}
.hb-nav a::after{
  content:"";position:absolute;left:50%;bottom:3px;width:5px;height:5px;border-radius:50%;
  background:var(--accent);transform:translateX(-50%) scale(0);transition:transform .18s var(--ease);
}
.hb-nav a:hover{background:rgba(21,23,26,.05);color:var(--ink)}
.hb-nav a.is-active{color:var(--ink);font-weight:600}
.hb-nav a.is-active::after{transform:translateX(-50%) scale(1)}
.hb-dock-cta{display:flex;align-items:center;gap:8px}
.hb-menu-toggle{display:none;width:44px;height:44px;border-radius:var(--r-pill);border:1px solid var(--line);align-items:center;justify-content:center}
.hb-menu-toggle span{display:block;width:16px;height:1.5px;background:var(--ink);position:relative}
.hb-menu-toggle span::before,.hb-menu-toggle span::after{content:"";position:absolute;left:0;width:16px;height:1.5px;background:var(--ink)}
.hb-menu-toggle span::before{top:-5px}
.hb-menu-toggle span::after{top:5px}

/* ---------- 按钮 ---------- */
.hb-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-m);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  border:1px solid transparent;cursor:pointer;
  transition:transform .16s var(--ease),background .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease),box-shadow .16s var(--ease);
}
.hb-btn-primary{background:var(--accent);color:#fff;box-shadow:0 1px 2px rgba(217,58,11,.2)}
.hb-btn-primary:hover{background:var(--accent-deep);color:#fff;transform:translateY(-1px)}
.hb-btn-primary:active{transform:translateY(0);background:var(--accent-deep)}
.hb-btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.hb-btn-ghost:hover{background:var(--ink);color:var(--paper);transform:translateY(-1px)}
.hb-btn-pill{border-radius:var(--r-pill)}
.hb-btn-sm{height:40px;padding:0 18px;font-size:14px}
.hb-btn .hb-arrow{display:inline-block;transition:transform .16s var(--ease);font-family:var(--mono)}
.hb-btn:hover .hb-arrow{transform:translateX(4px)}
.hb-btn[disabled],.hb-btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none}
.hb-link{
  position:relative;display:inline-flex;align-items:center;gap:6px;color:var(--accent-2);
  font-weight:600;font-size:15px;padding-bottom:2px;
}
.hb-link::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--accent-2);
  transition:width .2s var(--ease);
}
.hb-link:hover{color:var(--accent-deep)}
.hb-link:hover::after{width:100%;background:var(--accent-deep)}

/* ---------- Hero ---------- */
.hb-hero{padding:150px 0 72px;position:relative;overflow:hidden}
.hb-hero::before{
  content:"";position:absolute;right:-160px;top:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(14,159,134,.10),transparent 68%);pointer-events:none;
}
.hb-hero-grid{position:relative;z-index:1}
.hb-hero h1{font-size:clamp(30px,5.2vw,60px);line-height:1.12;letter-spacing:-.02em;margin-bottom:20px}
.hb-hero-sub{font-size:17.5px;color:var(--ink-soft);max-width:520px;margin-bottom:32px}
.hb-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:44px}
.hb-statbar{
  display:flex;flex-wrap:wrap;gap:0;border-top:1px solid var(--line);padding-top:20px;
}
.hb-statbar-item{padding-right:32px;margin-right:32px;border-right:1px solid var(--line)}
.hb-statbar-item:last-child{border-right:0;margin-right:0;padding-right:0}
.hb-statbar-item b{display:block;font-family:var(--mono);font-size:20px;color:var(--ink);font-weight:600;letter-spacing:-.02em}
.hb-statbar-item span{font-size:13px;color:var(--muted)}
.hb-hero-media{position:relative}
.hb-hero-figure{
  position:relative;border-radius:var(--r-l);overflow:hidden;border:1px solid var(--line);
  aspect-ratio:16/11;box-shadow:var(--shadow-2);background:var(--paper-2);
}
.hb-hero-figure img{width:100%;height:100%;object-fit:cover}
.hb-hero-note{
  margin-top:16px;font-size:13px;color:var(--muted);font-family:var(--mono);letter-spacing:.5px;
  display:flex;align-items:center;gap:8px;
}
.hb-hero-note::before{content:"";width:24px;height:1px;background:var(--accent)}

/* ---------- 卖点 ---------- */
.hb-value-figure{border-radius:var(--r-l);overflow:hidden;border:1px solid var(--line);aspect-ratio:4/3;background:var(--paper-2);margin-bottom:24px}
.hb-value-figure img{width:100%;height:100%;object-fit:cover}
.hb-value-copy h2{font-size:clamp(24px,3.4vw,38px);margin-bottom:18px}
.hb-value-copy p{color:var(--ink-soft);margin-bottom:16px}
.hb-check-list{display:grid;gap:0;border-top:1px solid var(--line)}
.hb-check-item{display:grid;grid-template-columns:64px 1fr;gap:16px;padding:20px 0;border-bottom:1px solid var(--line)}
.hb-check-item .idx{font-family:var(--mono);font-size:15px;color:var(--accent);letter-spacing:1px;padding-top:2px}
.hb-check-item h3{font-size:17px;margin-bottom:6px}
.hb-check-item p{font-size:15px;color:var(--muted);margin:0}
.hb-entry-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px}
.hb-entry{
  display:flex;flex-direction:column;gap:6px;padding:20px;border:1px solid var(--line);
  border-radius:var(--r-m);background:var(--paper);transition:transform .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.hb-entry:hover{transform:translateY(-2px);border-color:rgba(255,77,25,.3);box-shadow:var(--shadow-3);color:var(--ink)}
.hb-entry b{font-size:16px;color:var(--ink)}
.hb-entry span{font-size:13px;color:var(--muted)}
.hb-entry i{font-family:var(--mono);font-style:normal;color:var(--accent);font-size:14px;margin-top:6px}

/* ---------- 流程 ---------- */
.hb-demo{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.hb-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:8px}
.hb-step{position:relative;padding:30px 26px 0 0;border-top:1px solid var(--line)}
.hb-step-dot{position:absolute;top:-5px;left:0;width:9px;height:9px;border-radius:50%;background:var(--accent-2)}
.hb-step-num{display:block;font-family:var(--mono);font-size:13px;letter-spacing:2px;color:var(--muted);margin-bottom:12px}
.hb-step h3{font-size:18px;margin-bottom:8px}
.hb-step p{font-size:14.5px;color:var(--muted);margin:0}
.hb-demo-figure{border-radius:var(--r-l);overflow:hidden;border:1px solid var(--line);aspect-ratio:16/10;background:#fff;margin-top:40px}
.hb-demo-figure img{width:100%;height:100%;object-fit:cover}

/* ---------- 证据（深色面板） ---------- */
.hb-proof{padding:0}
.hb-proof-panel{background:var(--ink);border-radius:var(--r-l);padding:64px 56px;color:rgba(255,255,255,.72)}
.hb-proof-panel .hb-eyebrow{color:var(--accent-2)}
.hb-proof-panel h2{color:#fff;font-size:clamp(24px,3.4vw,38px);margin-bottom:32px}
.hb-proof-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;padding-bottom:36px;border-bottom:1px solid var(--line-inv)}
.hb-proof-num{font-family:var(--mono);font-size:clamp(36px,5vw,58px);line-height:1;letter-spacing:-.03em;color:var(--accent);font-weight:600}
.hb-proof-num.teal{color:var(--accent-2)}
.hb-proof-num.white{color:#fff}
.hb-proof-item p{font-size:14px;color:rgba(255,255,255,.6);margin:12px 0 0}
.hb-badges{display:flex;flex-wrap:wrap;gap:10px;padding-top:28px}
.hb-badge{
  font-size:12px;letter-spacing:2px;font-family:var(--mono);padding:7px 14px;border-radius:var(--r-pill);
  border:1px solid var(--line-inv);color:var(--accent-2);
}
.hb-proof-caption{color:rgba(255,255,255,.55);font-size:14px;margin-top:26px}

/* ---------- 最新信息 ---------- */
.hb-latest-main{display:flex}
.hb-post-card{display:block;width:100%;color:inherit}
.hb-post-media{border-radius:var(--r-m);overflow:hidden;border:1px solid var(--line);aspect-ratio:16/10;background:var(--paper-2);margin-bottom:20px}
.hb-post-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.hb-post-card:hover .hb-post-media img{transform:scale(1.03)}
.hb-tag{
  display:inline-block;font-size:12px;letter-spacing:2px;font-family:var(--mono);color:var(--accent);
  border:1px solid rgba(255,77,25,.35);border-radius:var(--r-pill);padding:4px 12px;margin-bottom:14px;
}
.hb-tag-teal{color:var(--accent-2);border-color:rgba(14,159,134,.35)}
.hb-post-card h3{font-size:22px;margin-bottom:12px;transition:color .18s var(--ease)}
.hb-post-card:hover h3{color:var(--accent-deep)}
.hb-post-card p{color:var(--muted);font-size:15px;margin-bottom:14px}
.hb-time{font-family:var(--mono);font-size:13px;color:var(--muted);letter-spacing:.5px}
.hb-post-list{border-top:1px solid var(--line)}
.hb-post-list li{
  display:grid;grid-template-columns:96px 1fr;gap:16px;align-items:baseline;
  padding:18px 0;border-bottom:1px solid var(--line);
}
.hb-post-list a{color:var(--ink);font-size:16px;font-weight:600;line-height:1.5}
.hb-post-list a:hover{color:var(--accent-deep)}
.hb-post-list .hb-tag-sm{
  display:inline-block;margin-left:10px;font-size:12px;font-family:var(--mono);color:var(--accent-2);
  letter-spacing:1px;
}
.hb-empty{
  border:1px dashed var(--line);border-radius:var(--r-m);min-height:180px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:32px;text-align:center;
}
.hb-empty p{color:var(--muted);margin:0}

/* ---------- 价格 ---------- */
.hb-price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.hb-plan{
  border:1px solid var(--line);border-radius:var(--r-l);padding:32px 28px;background:var(--paper);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.hb-plan:hover{transform:translateY(-2px);box-shadow:var(--shadow-3);border-color:rgba(255,77,25,.3)}
.hb-plan.is-featured{border-top:3px solid var(--accent);padding-top:30px}
.hb-plan-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.hb-plan h3{font-size:19px}
.hb-plan-price{font-family:var(--mono);font-size:40px;color:var(--ink);letter-spacing:-.03em;line-height:1;margin:6px 0 6px}
.hb-plan-price small{font-size:14px;color:var(--muted);letter-spacing:0;margin-left:6px}
.hb-plan-desc{color:var(--muted);font-size:14.5px;margin-bottom:22px}
.hb-plan ul{border-top:1px solid var(--line);margin-bottom:26px}
.hb-plan li{padding:12px 0;border-bottom:1px solid var(--line);font-size:15px;display:flex;gap:10px}
.hb-plan li::before{content:"";flex:none;width:6px;height:6px;background:var(--accent-2);margin-top:11px}
.hb-plan .hb-btn{width:100%}

/* ---------- FAQ ---------- */
.hb-faq-list{border-top:1px solid var(--line)}
.hb-faq-item{border-bottom:1px solid var(--line)}
.hb-faq-item summary{
  list-style:none;cursor:pointer;display:flex;gap:18px;align-items:flex-start;
  padding:22px 0;font-size:17px;font-weight:600;color:var(--ink);
}
.hb-faq-item summary::-webkit-details-marker{display:none}
.hb-faq-q{font-family:var(--mono);font-size:13px;color:var(--accent);flex:none;padding-top:4px;letter-spacing:1px}
.hb-faq-icon{margin-left:auto;flex:none;width:22px;height:22px;position:relative;top:2px}
.hb-faq-icon::before,.hb-faq-icon::after{
  content:"";position:absolute;background:var(--muted);transition:transform .24s var(--ease),background .24s var(--ease);
}
.hb-faq-icon::before{left:0;top:10px;width:22px;height:1.5px}
.hb-faq-icon::after{left:10px;top:0;width:1.5px;height:22px}
.hb-faq-item[open] .hb-faq-icon::after{transform:rotate(90deg)}
.hb-faq-item[open] .hb-faq-icon::before{background:var(--accent)}
.hb-faq-item[open] summary{color:var(--accent-deep)}
.hb-faq-answer{padding:0 0 24px 50px;color:var(--muted);font-size:15.5px}

/* ---------- CTA ---------- */
.hb-cta{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:72px 0}
.hb-cta h2{font-size:clamp(24px,3.4vw,38px);margin-bottom:12px}
.hb-cta p{color:var(--muted);max-width:560px}
.hb-form{display:flex;gap:14px;flex-wrap:wrap;align-items:flex-end;margin-top:28px}
.hb-field{display:flex;flex-direction:column;gap:8px;min-width:280px;flex:1 1 280px;max-width:380px}
.hb-field label{font-size:13px;color:var(--muted)}
.hb-field input{
  height:46px;border:0;border-bottom:1px solid var(--line);background:transparent;
  border-radius:0;padding:0 2px;color:var(--ink);transition:border-color .18s var(--ease);
}
.hb-field input:focus{outline:none;border-bottom:2px solid var(--accent)}
.hb-form-note{width:100%;font-size:13px;color:var(--muted);margin-top:8px}

/* ---------- 页脚 ---------- */
.hb-footer{background:var(--ink);color:rgba(255,255,255,.68);padding:64px 0 28px;margin-top:0}
.hb-footer a{color:rgba(255,255,255,.68)}
.hb-footer a:hover{color:#fff;text-decoration:underline}
.hb-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px}
.hb-footer .hb-logo{color:#fff;font-size:17px}
.hb-footer .hb-logo:hover{color:#fff}
.hb-footer-col h4{
  font-size:13px;letter-spacing:4px;color:rgba(255,255,255,.45);font-weight:600;margin-bottom:18px;
  font-family:var(--mono);
}
.hb-footer-col ul{display:grid;gap:12px}
.hb-footer-col li{font-size:14.5px}
.hb-footer-about{font-size:14.5px;color:rgba(255,255,255,.55);margin-top:16px;max-width:320px}
.hb-footer-bottom{
  border-top:1px solid var(--line-inv);padding-top:22px;display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;font-size:13px;color:rgba(255,255,255,.45);font-family:var(--mono);
}

/* ---------- 浮动 CTA ---------- */
.hb-float{
  position:fixed;right:24px;bottom:24px;z-index:70;opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s;
}
.hb-float.is-on{opacity:1;visibility:visible;transform:translateY(0)}
.hb-float-bar{display:none}

/* ---------- 移动抽屉 ---------- */
.hb-drawer{
  position:fixed;inset:0;z-index:90;background:var(--paper);
  display:flex;flex-direction:column;padding:24px 20px 32px;
  transform:translateY(-100%);transition:transform .28s var(--ease);
  visibility:hidden;
}
.hb-drawer.is-open{transform:translateY(0);visibility:visible}
.hb-drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:40px}
.hb-drawer-close{width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-pill);font-size:18px;color:var(--ink)}
.hb-drawer-nav{display:grid;gap:6px;margin-bottom:auto}
.hb-drawer-nav a{font-size:20px;color:var(--ink);font-weight:600;padding:14px 0;border-bottom:1px solid var(--line)}

/* ---------- 入场动效 ---------- */
.is-in{animation:hbIn .48s var(--ease) both}
@keyframes hbIn{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}
.d1{animation-delay:.06s}.d2{animation-delay:.12s}.d3{animation-delay:.18s}.d4{animation-delay:.24s}.d5{animation-delay:.3s}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  .hb-hero{padding-top:132px}
  .hb-proof-panel{padding:48px 32px}
  .hb-proof-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .hb-price-grid{grid-template-columns:1fr}
  .hb-footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .hb-steps{grid-template-columns:repeat(2,1fr)}
  .hb-step{padding-bottom:24px}
}
@media screen and (max-width:768px){
  .hb-container{padding:0 16px}
  .hb-section{padding:64px 0;scroll-margin-top:72px}
  .hb-nav,.hb-dock-cta .hb-btn{display:none}
  .hb-menu-toggle{display:inline-flex}
  .hb-dock{padding:10px 10px 10px 16px;gap:12px}
  .hb-hero{padding:120px 0 48px}
  .hb-hero-sub{font-size:16px}
  .hb-hero-actions .hb-btn{flex:1 1 auto}
  .hb-statbar-item{padding-right:20px;margin-right:20px;margin-bottom:12px}
  .hb-steps{grid-template-columns:1fr}
  .hb-step{border-top:0;border-left:1px solid var(--line);padding:0 0 28px 22px}
  .hb-step-dot{top:6px;left:-5px}
  .hb-step:last-child{padding-bottom:0}
  .hb-entry-cards{grid-template-columns:1fr}
  .hb-post-list li{grid-template-columns:1fr;gap:4px}
  .hb-proof-grid{grid-template-columns:1fr;gap:24px}
  .hb-proof-panel{padding:40px 22px}
  .hb-faq-answer{padding-left:0}
  .hb-cta{padding:56px 0}
  .hb-field{max-width:none}
  .hb-form .hb-btn{width:100%}
  .hb-footer-grid{grid-template-columns:1fr;gap:30px}
  .hb-float{right:16px;left:16px;bottom:16px;opacity:1;visibility:visible;transform:none}
  .hb-float .hb-float-pill{display:none}
  .hb-float-bar{
    display:flex;align-items:center;gap:12px;height:56px;padding:0 8px 0 18px;
    background:var(--paper);border:1px solid var(--line);border-radius:var(--r-pill);
    box-shadow:0 10px 30px rgba(21,23,26,.14);
  }
  .hb-float-bar a.hb-float-text{font-size:14px;color:var(--ink-soft);margin-left:auto}
  .hb-float-bar .hb-btn{height:44px}
}
@media screen and (max-width:520px){
  .hb-hero h1{font-size:clamp(28px,8vw,36px)}
  .hb-sec-head h2{font-size:24px}
  .hb-check-item{grid-template-columns:48px 1fr;gap:12px}
  .hb-plan-price{font-size:34px}
  .hb-faq-item summary{font-size:16px;gap:12px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  .is-in{animation:none}
}

/* roulang page: article */
:root{
  --paper:#F7F5F1; --paper-2:#ECE7DF; --ink:#15171A; --ink-soft:#3C424A; --muted:#7C838C;
  --accent:#FF4D19; --accent-deep:#D93A0B; --accent-2:#0E9F86;
  --line:rgba(21,23,26,.12); --line-light:rgba(255,255,255,.10);
  --r-s:6px; --r-m:12px; --r-l:20px; --r-pill:999px;
  --shadow-s:0 1px 2px rgba(21,23,26,.04);
  --shadow-m:0 10px 30px rgba(21,23,26,.06);
  --shadow-h:0 14px 30px rgba(21,23,26,.10);
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--paper);color:var(--ink-soft);
  font-family:var(--sans);font-size:16px;line-height:1.85;font-weight:400;
  -webkit-font-smoothing:antialiased;
}
body.hb-lock{overflow:hidden;}
img{max-width:100%;height:auto;display:block;}
a{color:var(--ink);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--accent);}
h1,h2,h3,h4{margin:0 0 16px;color:var(--ink);font-weight:700;letter-spacing:-.01em;line-height:1.25;}
p{margin:0 0 16px;}
ul,ol{margin:0;padding:0;}
button,input,textarea,select{font:inherit;color:inherit;}
button{cursor:pointer;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
[id]{scroll-margin-top:96px;}
.hb-mono{font-family:var(--mono);font-variant-numeric:tabular-nums;}
.hb-container{width:100%;max-width:1280px;margin:0 auto;padding:0 20px;}
.hb-reveal{opacity:0;transform:translateY(16px);transition:opacity .48s cubic-bezier(.22,.61,.36,1),transform .48s cubic-bezier(.22,.61,.36,1);}
.hb-reveal.is-in{opacity:1;transform:none;}

/* ---------- Dock 导航 ---------- */
.hb-dock{position:sticky;top:0;z-index:60;padding:12px 16px 0;}
.hb-dock-inner{
  max-width:1120px;margin:0 auto;display:flex;align-items:center;gap:26px;
  padding:12px 20px;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--r-pill);box-shadow:var(--shadow-m);
  transition:padding .22s ease,box-shadow .22s ease;
}
.hb-dock.is-tight .hb-dock-inner{padding:8px 20px;box-shadow:0 12px 34px rgba(21,23,26,.10);}
.hb-logo{display:inline-flex;align-items:center;gap:10px;font-family:var(--sans);font-weight:700;font-size:17px;color:var(--ink);letter-spacing:-.01em;white-space:nowrap;}
.hb-logo:hover{color:var(--ink);}
.hb-logo-mark{position:relative;width:20px;height:20px;border-radius:6px;background:var(--accent);flex:0 0 auto;}
.hb-logo-mark::after{content:"";position:absolute;inset:6px;background:var(--paper);border-radius:2px;}
.hb-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.hb-nav a{padding:8px 14px;border-radius:var(--r-pill);font-size:15px;color:var(--ink-soft);}
.hb-nav a:hover{background:var(--paper-2);color:var(--ink);}
.hb-nav a.is-active{color:var(--accent);font-weight:600;background:rgba(255,77,25,.08);}
.hb-dock-cta{flex:0 0 auto;}
.hb-menu-btn{display:none;width:44px;height:44px;border-radius:var(--r-pill);border:1px solid var(--line);background:transparent;flex-direction:column;align-items:center;justify-content:center;gap:5px;flex:0 0 auto;}
.hb-menu-btn span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);}
.hb-menu-btn:hover{border-color:var(--ink);}

/* ---------- 按钮 ---------- */
.hb-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;background:transparent;color:var(--ink);
  transition:transform .16s ease,background-color .16s ease,color .16s ease,border-color .16s ease,box-shadow .16s ease;
}
.hb-btn:hover{transform:translateY(-1px);color:var(--ink);}
.hb-btn:active{transform:translateY(0);}
.hb-btn--primary{background:var(--accent);color:#fff;}
.hb-btn--primary:hover{background:var(--accent-deep);color:#fff;}
.hb-btn--ghost{border-color:var(--line);color:var(--ink);}
.hb-btn--ghost:hover{border-color:var(--ink);}
.hb-btn--sm{height:38px;padding:0 16px;font-size:14px;}
.hb-btn--block{width:100%;}
.hb-btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;}

/* ---------- 标签 / 徽章 ---------- */
.hb-chip{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border:1px solid var(--line);
  border-radius:var(--r-pill);font-size:12px;letter-spacing:2px;color:var(--accent-2);background:transparent;
}
.hb-eyebrow{font-size:12px;letter-spacing:4px;color:var(--accent-2);margin:0 0 14px;font-family:var(--sans);}
.hb-eyebrow--muted{color:var(--muted);}

/* ---------- 文章头部 ---------- */
.hb-article-head{padding:52px 0 36px;}
.hb-crumb{margin-bottom:26px;font-size:13px;}
.hb-crumb ol{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0;padding:0;}
.hb-crumb li{display:flex;align-items:center;gap:8px;color:var(--muted);max-width:100%;}
.hb-crumb li+li::before{content:"/";color:var(--line);font-family:var(--mono);}
.hb-crumb a{color:var(--muted);}
.hb-crumb a:hover{color:var(--accent);}
.hb-crumb li span{display:inline-block;max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;vertical-align:bottom;color:var(--ink-soft);}
.hb-article-title{font-size:clamp(26px,4vw,40px);line-height:1.18;letter-spacing:-.02em;margin-bottom:22px;max-width:22ch;}
.hb-meta{display:flex;flex-wrap:wrap;align-items:center;font-size:13px;color:var(--muted);}
.hb-meta>span{display:inline-flex;align-items:center;padding-right:14px;margin-right:14px;border-right:1px solid var(--line);}
.hb-meta>span:last-child{border-right:0;padding-right:0;margin-right:0;}
.hb-meta .hb-chip{border-right:0;}

/* ---------- 文章主体 ---------- */
.hb-layout{padding-bottom:24px;}
.hb-main-col{padding-bottom:48px;}
.hb-article-body{max-width:760px;font-size:17.5px;line-height:1.9;color:var(--ink-soft);}
.hb-article-body>*:first-child{margin-top:0;}
.hb-article-body h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;margin:48px 0 18px;padding-left:16px;border-left:3px solid var(--accent);}
.hb-article-body h3{font-size:20px;margin:36px 0 14px;}
.hb-article-body h4{font-size:17px;margin:28px 0 12px;}
.hb-article-body p{margin:0 0 22px;}
.hb-article-body a{color:var(--accent-2);border-bottom:1px solid rgba(14,159,134,.4);}
.hb-article-body a:hover{color:var(--accent-deep);border-bottom-color:var(--accent-deep);}
.hb-article-body strong{color:var(--ink);font-weight:700;}
.hb-article-body ul,.hb-article-body ol{list-style:none;margin:0 0 24px;padding:0;}
.hb-article-body ul li{position:relative;padding-left:22px;margin-bottom:10px;}
.hb-article-body ul li::before{content:"";position:absolute;left:2px;top:.72em;width:8px;height:8px;border-radius:2px;background:var(--accent);}
.hb-article-body ol{counter-reset:hb-li;}
.hb-article-body ol li{position:relative;padding-left:32px;margin-bottom:10px;counter-increment:hb-li;}
.hb-article-body ol li::before{content:counter(hb-li,decimal-leading-zero);position:absolute;left:0;top:.16em;font-family:var(--mono);font-size:13px;font-weight:600;color:var(--accent);}
.hb-article-body blockquote{margin:32px 0;padding:20px 24px;background:var(--paper-2);border-left:3px solid var(--accent);border-radius:0 var(--r-m) var(--r-m) 0;color:var(--ink-soft);}
.hb-article-body blockquote p:last-child{margin-bottom:0;}
.hb-article-body img{border-radius:var(--r-m);margin:28px 0 10px;}
.hb-article-body figure{margin:28px 0;}
.hb-article-body figcaption{font-size:12px;color:var(--muted);margin-top:8px;}
.hb-article-body table{width:100%;border-collapse:collapse;margin:28px 0;font-size:15px;}
.hb-article-body th{background:var(--paper-2);color:var(--ink);text-align:left;font-weight:700;}
.hb-article-body th,.hb-article-body td{padding:12px 14px;border-bottom:1px solid var(--line);}
.hb-article-body hr{border:0;border-top:1px solid var(--line);margin:40px 0;}
.hb-empty{border:1px dashed var(--line);border-radius:var(--r-m);padding:48px 28px;text-align:center;max-width:760px;}
.hb-empty p{font-size:17px;color:var(--ink);margin-bottom:18px;}

/* ---------- 侧栏 ---------- */
.hb-side-inner{position:sticky;top:104px;display:flex;flex-direction:column;gap:18px;}
.hb-side-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-m);padding:24px;box-shadow:var(--shadow-s);transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;}
.hb-side-card:hover{transform:translateY(-2px);border-color:rgba(255,77,25,.3);box-shadow:var(--shadow-h);}
.hb-side-card h3{font-size:15px;letter-spacing:2px;color:var(--ink);margin-bottom:16px;}
.hb-side-list{list-style:none;}
.hb-side-list li{border-bottom:1px solid var(--line);}
.hb-side-list li:last-child{border-bottom:0;}
.hb-side-list a{display:flex;align-items:center;justify-content:space-between;padding:12px 0;font-size:15px;color:var(--ink-soft);}
.hb-side-list a::after{content:"→";font-family:var(--mono);font-size:13px;color:var(--muted);transition:transform .18s ease,color .18s ease;}
.hb-side-list a:hover{color:var(--accent);}
.hb-side-list a:hover::after{transform:translateX(4px);color:var(--accent);}
.hb-side-note{font-size:14px;line-height:1.8;color:var(--muted);margin:0;}
.hb-side-tags{display:flex;flex-wrap:wrap;gap:8px;}

/* ---------- 文末标签 ---------- */
.hb-article-foot{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:44px;padding-top:24px;border-top:1px solid var(--line);}

/* ---------- 通用板块 ---------- */
.hb-section{padding:96px 0;}
.hb-section--soft{background:var(--paper-2);}
.hb-sec-head{max-width:720px;margin-bottom:44px;}
.hb-sec-head h2{font-size:clamp(24px,3.4vw,38px);letter-spacing:-.02em;}
.hb-sec-head p{margin:0;color:var(--muted);}

.hb-card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.hb-card{display:flex;flex-direction:column;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-m);overflow:hidden;box-shadow:var(--shadow-s);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;}
.hb-card:hover{transform:translateY(-2px);border-color:rgba(255,77,25,.3);box-shadow:var(--shadow-h);color:inherit;}
.hb-card-media{aspect-ratio:3/2;overflow:hidden;background:var(--paper-2);}
.hb-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.hb-card:hover .hb-card-media img{transform:scale(1.04);}
.hb-card-body{padding:22px 22px 26px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.hb-card-body h3{font-size:19px;margin:0;}
.hb-card-body p{font-size:14.5px;line-height:1.8;color:var(--muted);margin:0;}
.hb-card-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--accent);margin-top:auto;}
.hb-card-link::after{content:"→";font-family:var(--mono);transition:transform .18s ease;}
.hb-card:hover .hb-card-link::after{transform:translateX(4px);}

/* ---------- FAQ ---------- */
.hb-faq{border-top:1px solid var(--line);margin-top:36px;}
.hb-faq-item{border-bottom:1px solid var(--line);}
.hb-faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:baseline;gap:16px;padding:22px 0;font-size:18px;font-weight:600;color:var(--ink);}
.hb-faq-item summary::-webkit-details-marker{display:none;}
.hb-faq-item summary:hover{color:var(--accent);}
.hb-faq-item summary::after{content:"+";margin-left:auto;font-family:var(--mono);font-size:20px;color:var(--muted);transition:color .2s ease,transform .24s ease;}
.hb-faq-item[open] summary::after{content:"−";color:var(--accent);}
.hb-faq-q{font-family:var(--mono);font-size:14px;color:var(--accent);flex:0 0 auto;}
.hb-faq-a{padding:0 0 24px 38px;color:var(--muted);font-size:16px;line-height:1.85;max-width:78ch;}

/* ---------- CTA ---------- */
.hb-cta{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:88px 0;background:var(--paper);}
.hb-cta h2{font-size:clamp(26px,3.4vw,40px);letter-spacing:-.02em;max-width:18ch;}
.hb-cta p{color:var(--muted);max-width:56ch;}
.hb-form{display:flex;flex-wrap:wrap;align-items:flex-end;gap:20px;margin-top:28px;}
.hb-field{flex:1 1 280px;display:flex;flex-direction:column;gap:8px;}
.hb-field label{font-size:13px;color:var(--muted);letter-spacing:2px;}
.hb-field input{height:48px;padding:0 2px;background:transparent;border:0;border-bottom:1px solid var(--line);border-radius:0;font-size:16px;color:var(--ink);transition:border-color .18s ease,box-shadow .18s ease;}
.hb-field input::placeholder{color:rgba(124,131,140,.7);}
.hb-field input:focus{outline:none;border-bottom:2px solid var(--accent);}
.hb-field input:focus-visible{outline:none;}
.hb-form .hb-btn{flex:0 0 auto;}

/* ---------- 浮动 CTA ---------- */
.hb-fab{position:fixed;right:24px;bottom:24px;z-index:70;opacity:0;pointer-events:none;transform:translateY(10px);transition:opacity .24s ease,transform .24s ease;}
.hb-fab.is-on{opacity:1;pointer-events:auto;transform:none;}

/* ---------- 抽屉 ---------- */
.hb-drawer{position:fixed;inset:0;z-index:90;background:var(--paper);display:none;flex-direction:column;padding:22px 20px 32px;}
.hb-drawer.is-open{display:flex;}
.hb-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.hb-drawer-close{width:44px;height:44px;border-radius:var(--r-pill);border:1px solid var(--line);background:transparent;font-size:20px;line-height:1;color:var(--ink);}
.hb-drawer-close:hover{border-color:var(--ink);}
.hb-drawer-nav{display:flex;flex-direction:column;}
.hb-drawer-nav a{font-size:20px;padding:18px 0;border-bottom:1px solid var(--line);color:var(--ink);}
.hb-drawer-nav a.is-active{color:var(--accent);}
.hb-drawer-foot{margin-top:auto;padding-top:24px;}

/* ---------- 页脚 ---------- */
.hb-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:72px 0 28px;}
.hb-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}
.hb-footer .hb-logo{color:#fff;font-size:17px;}
.hb-footer .hb-logo:hover{color:#fff;}
.hb-footer .hb-logo-mark::after{background:var(--ink);}
.hb-footer-about{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);margin:16px 0 0;max-width:320px;}
.hb-footer-col h4{font-size:13px;letter-spacing:4px;color:rgba(255,255,255,.5);font-weight:600;margin-bottom:18px;}
.hb-footer-col ul{list-style:none;}
.hb-footer-col li{font-size:14px;margin-bottom:12px;color:rgba(255,255,255,.62);}
.hb-footer-col a{color:rgba(255,255,255,.78);}
.hb-footer-col a:hover{color:#fff;text-decoration:underline;}
.hb-footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:48px;padding-top:20px;border-top:1px solid var(--line-light);font-size:13px;color:rgba(255,255,255,.5);}

/* ---------- 断点 ---------- */
@media (max-width:1023px){
  .hb-section{padding:72px 0;}
  .hb-cta{padding:72px 0;}
  .hb-card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .hb-footer-grid{grid-template-columns:1fr 1fr;}
  .hb-nav a{padding:8px 10px;font-size:14px;}
  .hb-dock-inner{gap:14px;}
  .hb-side-inner{position:static;}
}
@media (max-width:767px){
  .hb-container{padding:0 16px;}
  [id]{scroll-margin-top:72px;}
  .hb-dock{padding:10px 12px 0;}
  .hb-nav,.hb-dock-cta{display:none;}
  .hb-menu-btn{display:inline-flex;}
  .hb-dock-inner{padding:10px 12px 10px 16px;gap:10px;justify-content:space-between;}
  .hb-dock.is-tight .hb-dock-inner{padding:8px 12px 8px 16px;}
  .hb-article-head{padding:34px 0 26px;}
  .hb-article-title{max-width:none;}
  .hb-article-body{font-size:17px;}
  .hb-section{padding:64px 0;}
  .hb-cta{padding:64px 0;}
  .hb-card-grid{grid-template-columns:1fr;}
  .hb-fab{left:16px;right:16px;bottom:12px;}
  .hb-fab .hb-btn{width:100%;height:56px;}
  .hb-faq-a{padding-left:0;}
  .hb-form{gap:16px;}
  .hb-form .hb-btn{width:100%;}
}
@media (max-width:520px){
  .hb-footer-grid{grid-template-columns:1fr;gap:28px;}
  .hb-footer-bottom{flex-direction:column;}
  .hb-article-title{font-size:26px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{transition-duration:.001ms!important;animation-duration:.001ms!important;}
  .hb-reveal{opacity:1!important;transform:none!important;}
  .hb-btn:hover,.hb-card:hover,.hb-side-card:hover{transform:none;}
}

/* roulang page: category1 */
:root{
  --paper:#F7F5F1;
  --paper-2:#ECE7DF;
  --ink:#15171A;
  --ink-soft:#3C424A;
  --muted:#7C838C;
  --accent:#FF4D19;
  --accent-deep:#D93A0B;
  --accent-2:#0E9F86;
  --line:rgba(21,23,26,.12);
  --line-invert:rgba(255,255,255,.12);
  --r-s:6px;
  --r-m:12px;
  --r-l:20px;
  --r-pill:999px;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
  --sh-1:0 1px 2px rgba(21,23,26,.04);
  --sh-2:0 10px 30px rgba(21,23,26,.06);
  --sh-3:0 14px 30px rgba(21,23,26,.10);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink-soft);
  font-family:var(--sans);
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:700;line-height:1.2;letter-spacing:-.01em}
p{margin:0}
a{color:inherit;text-decoration:none;background:none;transition:color .2s ease,opacity .2s ease}
a:hover{color:var(--accent-deep)}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block;border:0}
button{font-family:inherit;font-size:inherit;border:0;background:none;cursor:pointer;color:inherit}
input,textarea{font-family:inherit;font-size:inherit;color:inherit}
/* Foundation 覆盖 */
body,button,input,select,textarea{font-family:var(--sans)}
.button,.callout,.accordion,.tabs,.pagination{font-family:var(--sans)}
.menu a:hover{color:var(--accent-deep)}
[type=text],[type=email],[type=tel],[type=password],textarea{border-radius:0;box-shadow:none}
[type=text]:focus,[type=email]:focus,[type=tel]:focus,[type=password]:focus,textarea:focus{box-shadow:none}
table{border-collapse:collapse}
.hb-container{width:100%;max-width:1280px;margin:0 auto;padding:0 20px}
@media (max-width:767px){.hb-container{padding:0 16px}}
.hb-mono{font-family:var(--mono)}
.hb-eyebrow{
  display:inline-block;font-family:var(--mono);font-size:12px;letter-spacing:4px;
  text-transform:uppercase;color:var(--muted);margin-bottom:16px;
}
.hb-eyebrow--accent{color:var(--accent-2)}
/* 入场动效 */
html.hb-js .hb-in{opacity:0;transform:translateY(16px)}
.hb-in{transition:opacity .48s cubic-bezier(.22,.61,.36,1),transform .48s cubic-bezier(.22,.61,.36,1)}
html.hb-js .hb-in.is-in{opacity:1;transform:none}
/* 头部 Dock */
.hb-header{position:sticky;top:0;z-index:80;padding:16px 0 10px;background:transparent;pointer-events:none}
.hb-header .hb-container{pointer-events:auto}
.hb-dock{
  display:flex;align-items:center;gap:20px;
  max-width:1120px;margin:0 auto;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-2);
  padding:12px 14px 12px 20px;
  transition:padding .25s ease,box-shadow .25s ease;
}
.hb-header.is-scrolled .hb-dock{padding:8px 12px 8px 18px;box-shadow:0 12px 34px rgba(21,23,26,.12)}
.hb-logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;font-size:16px;letter-spacing:-.01em;white-space:nowrap}
.hb-logo:hover{color:var(--ink)}
.hb-logo-mark{position:relative;flex:0 0 22px;width:22px;height:22px;border-radius:6px;background:var(--accent)}
.hb-logo-mark::after{
  content:"";position:absolute;left:7px;top:6px;width:0;height:0;
  border-left:8px solid var(--paper);
  border-top:5px solid transparent;
  border-bottom:5px solid transparent;
}
.hb-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.hb-nav a{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;
  border-radius:var(--r-pill);font-size:14.5px;color:var(--ink-soft);
  transition:background .2s ease,color .2s ease;
}
.hb-nav a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;border-radius:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.hb-nav a:hover{color:var(--ink);background:var(--paper-2)}
.hb-nav a.is-active{color:var(--ink);font-weight:600}
.hb-nav a.is-active::after{transform:scaleX(1)}
.hb-dock-actions{display:flex;align-items:center;gap:10px}
.hb-menu-btn{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--r-m);color:var(--ink);font-size:17px;
}
.hb-menu-btn:hover{border-color:var(--accent);color:var(--accent-deep)}
@media (max-width:1023px){
  .hb-nav{display:none}
  .hb-menu-btn{display:inline-flex}
  .hb-dock-actions .hb-btn{display:none}
}
@media (max-width:520px){
  .hb-dock{padding:10px 12px;gap:12px}
  .hb-logo{font-size:15px}
}
/* 抽屉 */
.hb-drawer{
  position:fixed;inset:0;z-index:120;background:var(--paper);
  display:flex;flex-direction:column;padding:22px 20px 32px;
  transform:translateX(100%);transition:transform .3s cubic-bezier(.22,.61,.36,1);
  visibility:hidden;
}
.hb-drawer.is-open{transform:none;visibility:visible}
.hb-drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
.hb-drawer-close{width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-m);font-size:20px;color:var(--ink);display:inline-flex;align-items:center;justify-content:center}
.hb-drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:28px}
.hb-drawer-nav a{display:block;padding:14px 4px;font-size:20px;color:var(--ink);border-bottom:1px solid var(--line)}
.hb-drawer-nav a.is-active{color:var(--accent-deep)}
.hb-drawer .hb-btn{width:100%}
/* 按钮 */
.hb-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-m);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .16s ease,background .2s ease,border-color .2s ease,color .2s ease,box-shadow .2s ease;
}
.hb-btn--primary{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(255,77,25,.22)}
.hb-btn--primary:hover{background:var(--accent-deep);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(255,77,25,.28)}
.hb-btn--primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(217,58,11,.24)}
.hb-btn--ghost{border:1px solid var(--ink);color:var(--ink);background:transparent}
.hb-btn--ghost:hover{background:var(--ink);color:#fff;transform:translateY(-1px)}
.hb-btn[disabled],.hb-btn.is-disabled{opacity:.45;pointer-events:none}
.hb-btn--sm{height:40px;padding:0 18px;font-size:14px}
.hb-link-arrow{
  display:inline-flex;align-items:center;gap:8px;margin-top:24px;
  font-size:15px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--line);padding-bottom:6px;
  transition:border-color .2s ease,color .2s ease;
}
.hb-link-arrow i{transition:transform .16s ease}
.hb-link-arrow:hover{color:var(--accent-deep);border-color:var(--accent)}
.hb-link-arrow:hover i{transform:translateX(4px)}
/* Hero */
.hb-hero{padding:56px 0 64px;scroll-margin-top:96px}
@media (min-width:1024px){.hb-hero{padding:88px 0 104px}}
.hb-hero-title{
  font-size:clamp(30px,5.2vw,58px);
  line-height:1.12;letter-spacing:-.02em;margin-bottom:20px;max-width:15em;
}
.hb-hero-sub{font-size:17px;color:var(--ink-soft);max-width:30em;margin-bottom:32px}
.hb-hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hb-hero-media{
  aspect-ratio:16/10;border-radius:var(--r-l);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-2);background:var(--paper-2);
}
.hb-hero-media img{width:100%;height:100%;object-fit:cover}
@media (max-width:1023px){
  .hb-hero-media{margin-top:36px}
  .hb-hero-title{max-width:none}
}
.hb-databar{
  display:grid;grid-template-columns:repeat(2,1fr);gap:20px;
  margin:36px 0 0;padding-top:24px;border-top:1px solid var(--line);
}
@media (min-width:768px){.hb-databar{grid-template-columns:repeat(3,1fr)}}
.hb-databar dt{font-family:var(--mono);font-size:12.5px;letter-spacing:2px;color:var(--muted);margin-bottom:6px}
.hb-databar dd{margin:0;font-family:var(--mono);font-size:21px;font-weight:600;color:var(--ink)}
.hb-databar dd span{font-family:var(--sans);font-size:13px;color:var(--muted);margin-left:6px;font-weight:400}
.hb-pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px}
.hb-pill{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 18px;
  border:1px solid var(--line);border-radius:var(--r-pill);
  font-size:14px;color:var(--ink-soft);background:var(--paper);
  transition:border-color .2s ease,color .2s ease,transform .2s ease,background .2s ease;
}
.hb-pill:hover{border-color:var(--accent);color:var(--accent-deep);background:#fff;transform:translateY(-1px)}
.hb-pill i{font-size:12px;color:var(--accent-2)}
/* 通用板块 */
.hb-block{padding:64px 0;border-top:1px solid var(--line);scroll-margin-top:96px}
@media (min-width:1024px){.hb-block{padding:104px 0}}
.hb-section-title{
  position:relative;padding-left:18px;
  font-size:clamp(24px,3.4vw,38px);line-height:1.22;margin-bottom:20px;
}
.hb-section-title::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;
  border-radius:3px;background:var(--accent);
}
.hb-copy p{margin-bottom:18px;font-size:16.5px;line-height:1.85}
.hb-copy p:last-of-type{margin-bottom:0}
.hb-block-media{
  aspect-ratio:4/3;border-radius:var(--r-l);overflow:hidden;
  border:1px solid var(--line);background:var(--paper-2);box-shadow:var(--sh-1);
}
.hb-block-media img{width:100%;height:100%;object-fit:cover}
@media (max-width:1023px){
  .hb-block-media{margin-bottom:28px}
  .hb-block--reverse .hb-block-media{margin-bottom:0;margin-top:28px}
}
.hb-quote{
  margin:24px 0 0;padding:18px 22px;background:var(--paper-2);
  border-left:3px solid var(--accent);border-radius:0 var(--r-s) var(--r-s) 0;
  font-size:15.5px;color:var(--ink-soft);
}
.hb-quote cite{display:block;margin-top:10px;font-size:13px;color:var(--muted);font-style:normal;font-family:var(--mono)}
/* 表格清单 */
.hb-table-wrap{margin-top:36px;border:1px solid var(--line);border-radius:var(--r-m);overflow:hidden;background:var(--paper)}
.hb-table{width:100%;border-collapse:collapse}
.hb-table th{
  font-size:12.5px;letter-spacing:3px;font-weight:600;color:var(--muted);
  text-align:left;padding:16px 18px;background:var(--paper-2);
  border-bottom:1px solid var(--line);
}
.hb-table td{
  padding:18px;border-bottom:1px solid var(--line);
  font-size:15.5px;color:var(--ink-soft);vertical-align:top;
}
.hb-table tbody tr:last-child td{border-bottom:0}
.hb-table tbody tr{transition:background .18s ease}
.hb-table tbody tr:hover{background:rgba(255,77,25,.035)}
.hb-table td:first-child{font-weight:600;color:var(--ink);white-space:nowrap}
.hb-tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border:1px solid var(--line);border-radius:var(--r-pill);
  font-size:12px;letter-spacing:1.5px;font-family:var(--mono);
  color:var(--accent-2);background:var(--paper);white-space:nowrap;
}
.hb-tag--accent{color:var(--accent)}
.hb-table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
@media (max-width:767px){.hb-table{min-width:640px}}
/* 流程 */
.hb-flow{display:grid;grid-template-columns:1fr;gap:28px;margin-top:44px}
@media (min-width:768px){.hb-flow{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.hb-flow{grid-template-columns:repeat(4,1fr);gap:24px}}
.hb-flow-item{position:relative;padding-top:26px;border-top:1px solid var(--line)}
.hb-flow-item::before{
  content:"";position:absolute;top:-5px;left:0;width:9px;height:9px;
  border-radius:50%;background:var(--paper);border:2px solid var(--accent);
  transition:background .2s ease,transform .2s ease;
}
.hb-flow-item:hover::before{background:var(--accent);transform:scale(1.15)}
.hb-flow-num{font-family:var(--mono);font-size:13px;letter-spacing:2px;color:var(--accent-2);display:block;margin-bottom:10px}
.hb-flow-item h3{font-size:19px;margin-bottom:10px}
.hb-flow-item p{font-size:15px;color:var(--muted)}
/* FAQ */
.hb-faq{max-width:900px;margin-top:20px}
.hb-faq-item{border-bottom:1px solid var(--line)}
.hb-faq-item:first-child{border-top:1px solid var(--line)}
.hb-faq-item summary{
  position:relative;list-style:none;cursor:pointer;
  padding:22px 52px 22px 0;font-size:17px;font-weight:600;color:var(--ink);
  transition:color .2s ease;
}
.hb-faq-item summary::-webkit-details-marker{display:none}
.hb-faq-item summary:hover{color:var(--accent-deep)}
.hb-faq-item summary::before,
.hb-faq-item summary::after{
  content:"";position:absolute;right:8px;top:calc(50% - 1px);
  width:15px;height:2px;border-radius:2px;background:var(--muted);
  transition:transform .24s ease,opacity .24s ease,background .24s ease;
}
.hb-faq-item summary::after{transform:rotate(90deg)}
.hb-faq-item[open] summary{color:var(--ink)}
.hb-faq-item[open] summary::after{transform:rotate(0);opacity:0}
.hb-faq-item[open] summary::before{background:var(--accent)}
.hb-faq-item p{padding:0 52px 24px 0;font-size:15.5px;color:var(--muted);line-height:1.85}
/* 类似栏目链接 */
.hb-links-block{padding:64px 0;border-top:1px solid var(--line);scroll-margin-top:96px}
.hb-links{display:flex;flex-wrap:wrap;gap:12px 32px;margin-top:24px}
.hb-links a{
  display:inline-flex;align-items:center;gap:10px;
  font-size:16px;color:var(--ink);padding-bottom:6px;
  border-bottom:1px solid var(--line);transition:border-color .2s ease,color .2s ease;
}
.hb-links a i{color:var(--accent-2);font-size:13px;transition:transform .16s ease}
.hb-links a:hover{color:var(--accent-deep);border-color:var(--accent)}
.hb-links a:hover i{transform:translateX(3px)}
/* CTA */
.hb-cta{padding:64px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);scroll-margin-top:96px}
@media (min-width:1024px){.hb-cta{padding:96px 0}}
.hb-cta h2{font-size:clamp(26px,3.6vw,42px);line-height:1.2;margin-bottom:16px}
.hb-cta p{font-size:16px;color:var(--muted);max-width:34em}
.hb-cta-form{display:flex;flex-direction:column;gap:20px;margin-top:32px}
@media (min-width:768px){
  .hb-cta-form{flex-direction:row;align-items:flex-end;gap:16px}
  .hb-cta-form .hb-field{flex:1 1 auto}
  .hb-cta-form .hb-btn{flex:0 0 auto}
}
.hb-field{display:flex;flex-direction:column;gap:8px}
.hb-field label{font-size:13px;color:var(--muted);letter-spacing:.5px}
.hb-field input{
  height:48px;padding:0 2px;border:0;border-bottom:1px solid var(--line);
  background:transparent;font-size:16px;color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.hb-field input::placeholder{color:#B4B8BE}
.hb-field input:focus{outline:none;border-bottom:2px solid var(--accent)}
.hb-form-note{margin-top:14px;font-size:13px;color:var(--muted);font-family:var(--mono)}
/* 面包屑 */
.hb-breadcrumb{padding:20px 0 0;font-size:13px;color:var(--muted)}
.hb-breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;overflow:hidden}
.hb-breadcrumb li{white-space:nowrap}
.hb-breadcrumb li+li::before{content:"/";margin-right:8px;color:var(--line);}
.hb-breadcrumb a:hover{color:var(--accent-deep);text-decoration:underline}
.hb-breadcrumb .is-current{color:var(--ink-soft);max-width:16em;overflow:hidden;text-overflow:ellipsis;display:inline-block;vertical-align:bottom}
/* 浮动 CTA */
.hb-fab{
  position:fixed;right:24px;bottom:24px;z-index:70;
  opacity:0;transform:translateY(10px);pointer-events:none;
  transition:opacity .28s ease,transform .28s ease;
}
.hb-fab.is-visible{opacity:1;transform:none;pointer-events:auto}
@media (max-width:767px){
  .hb-fab{left:16px;right:16px;bottom:16px}
  .hb-fab .hb-btn{width:100%;height:52px}
}
/* 页脚 */
.hb-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:72px 0 28px;margin-top:8px}
.hb-footer-grid{display:grid;grid-template-columns:1fr;gap:40px}
@media (min-width:768px){.hb-footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.hb-footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:48px}}
.hb-footer .hb-logo{color:#fff;font-size:16px;margin-bottom:18px}
.hb-footer .hb-logo:hover{color:#fff}
.hb-footer-about{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.62);max-width:26em}
.hb-footer h4{font-size:13px;letter-spacing:4px;color:#fff;font-weight:600;margin-bottom:18px}
.hb-footer ul li{margin-bottom:12px;font-size:14.5px;color:rgba(255,255,255,.62)}
.hb-footer a{color:rgba(255,255,255,.72)}
.hb-footer a:hover{color:#fff;text-decoration:underline}
.hb-footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line-invert);
  font-size:13px;color:rgba(255,255,255,.52);font-family:var(--mono);
}
@media (max-width:767px){
  .hb-footer{padding:56px 0 24px}
  .hb-footer-bottom{font-size:12.5px}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important}
  html.hb-js .hb-in{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --paper:#F7F5F1;
  --paper-2:#ECE7DF;
  --ink:#15171A;
  --ink-soft:#3C424A;
  --muted:#7C838C;
  --accent:#FF4D19;
  --accent-deep:#D93A0B;
  --accent-2:#0E9F86;
  --line:rgba(21,23,26,.12);
  --line-inv:rgba(255,255,255,.10);
  --r-s:6px;
  --r-m:12px;
  --r-l:20px;
  --r-pill:999px;
  --shadow-s:0 1px 2px rgba(21,23,26,.04);
  --shadow-m:0 10px 30px rgba(21,23,26,.06);
  --shadow-l:0 14px 30px rgba(21,23,26,.10);
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink-soft);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:700;line-height:1.2;letter-spacing:-.01em}
h1{font-size:clamp(30px,5.2vw,60px);line-height:1.12;letter-spacing:-.02em}
h2{font-size:clamp(24px,3.4vw,40px)}
h3{font-size:20px;line-height:1.35}
h4{font-size:16px}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
img{display:block;max-width:100%;height:auto}
a{color:var(--ink);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--accent-deep)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:3px}
::selection{background:rgba(255,77,25,.18)}
/* Foundation 覆盖 */
body,.button,.button:focus{font-family:var(--font-sans)}
.button{background:var(--accent);border-radius:var(--r-pill);color:#fff}
.button:hover,.button:focus{background:var(--accent-deep);color:#fff}
.accordion,.tabs,.pagination,.callout,.menu,.top-bar{margin:0;background:none;border:0;color:inherit}
.callout{padding:0}
[data-whatintent="mouse"] *:focus{outline:none}
[data-whatintent="mouse"] *:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

.hb-container{width:100%;max-width:1280px;margin:0 auto;padding:0 16px}
@media (min-width:1024px){.hb-container{padding:0 20px}}

/* ---------- Dock 导航 ---------- */
.hb-header{
  position:sticky;
  top:0;
  z-index:60;
  padding:14px 0;
  background:var(--paper);
  transition:padding .24s ease;
}
.hb-header.is-scrolled{padding:8px 0}
.hb-dock{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  max-width:1120px;
  margin:0 auto;
  padding:12px 20px;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--shadow-m);
  transition:padding .24s ease,box-shadow .24s ease;
}
.hb-header.is-scrolled .hb-dock{padding:8px 20px;box-shadow:var(--shadow-l)}
.hb-logo{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--ink);white-space:nowrap}
.hb-logo:hover{color:var(--ink)}
.hb-logo-mark{position:relative;flex:0 0 22px;width:22px;height:22px;border-radius:6px;background:var(--accent)}
.hb-logo-mark::after{
  content:"";position:absolute;left:8px;top:7px;width:7px;height:7px;
  border-top:2px solid var(--paper);border-right:2px solid var(--paper);
  transform:rotate(-45deg);
}
.hb-nav{display:flex;align-items:center;gap:4px}
.hb-nav a{
  position:relative;
  padding:9px 14px;
  border-radius:var(--r-pill);
  font-size:15px;
  color:var(--ink-soft);
  transition:color .18s ease,background-color .18s ease;
}
.hb-nav a:hover{color:var(--ink);background:var(--paper-2)}
.hb-nav a.is-active{color:var(--ink);font-weight:600}
.hb-nav a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;
  border-radius:2px;background:var(--accent);
}
.hb-dock-actions{display:flex;align-items:center;gap:10px}
.hb-menu-btn{
  display:none;width:44px;height:44px;flex-direction:column;align-items:center;justify-content:center;
  gap:4px;border:1px solid var(--line);border-radius:var(--r-pill);transition:border-color .18s ease;
}
.hb-menu-btn:hover{border-color:rgba(255,77,25,.5)}
.hb-menu-btn span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s ease,opacity .2s ease}
.hb-menu-btn[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.hb-menu-btn[aria-expanded="true"] span:nth-child(2){opacity:0}
.hb-menu-btn[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.hb-drawer{
  position:fixed;inset:0;z-index:80;
  display:flex;flex-direction:column;
  padding:22px 20px 28px;
  background:var(--paper);
  opacity:0;transform:translateY(-12px);
  transition:opacity .22s ease,transform .22s ease;
}
.hb-drawer[hidden]{display:none}
.hb-drawer.is-open{opacity:1;transform:none}
.hb-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.hb-drawer-links a{display:block;padding:16px 0;border-bottom:1px solid var(--line);font-size:20px;color:var(--ink)}
.hb-drawer-links a.is-active{color:var(--accent-deep)}
.hb-drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px}
.hb-drawer p{font-size:14px;color:var(--muted);margin:0}

/* ---------- 按钮 ---------- */
.hb-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;
  border:1px solid transparent;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .16s ease,background-color .18s ease,border-color .18s ease,color .18s ease,box-shadow .18s ease;
}
.hb-btn--sm{height:42px;padding:0 18px;font-size:14px}
.hb-btn--primary{background:var(--accent);color:#fff}
.hb-btn--primary:hover{background:var(--accent-deep);color:#fff;transform:translateY(-1px)}
.hb-btn--primary:active{transform:translateY(0);background:var(--accent-deep);box-shadow:inset 0 2px 6px rgba(0,0,0,.14)}
.hb-btn--ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.hb-btn--ghost:hover{background:var(--ink);color:var(--paper);transform:translateY(-1px)}
.hb-btn--ghost:active{transform:translateY(0)}
.hb-btn--block{width:100%}
.hb-btn .hb-arrow{transition:transform .16s ease}
.hb-btn:hover .hb-arrow{transform:translateX(4px)}
.hb-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--accent-deep);
  background-image:linear-gradient(currentColor,currentColor);
  background-repeat:no-repeat;background-position:0 100%;background-size:0 1px;
  transition:background-size .2s ease,color .18s ease;
}
.hb-link:hover{background-size:100% 1px;color:var(--accent-deep)}
.hb-link .hb-arrow{transition:transform .16s ease}
.hb-link:hover .hb-arrow{transform:translateX(4px)}

/* ---------- 通用板块 ---------- */
.hb-section{padding:64px 0}
@media (min-width:1024px){.hb-section{padding:112px 0}}
.hb-section--paper2{background:var(--paper-2)}
.hb-section--tight{padding:56px 0}
.hb-eyebrow{
  font-family:var(--font-mono);font-size:12px;letter-spacing:4px;text-transform:uppercase;
  color:var(--muted);margin:0 0 14px;
}
.hb-eyebrow--accent{color:var(--accent-2)}
.hb-section-head{max-width:760px;margin-bottom:40px}
.hb-lead{color:var(--muted);font-size:16px;margin-top:14px;max-width:660px}
.hb-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border:1px solid var(--line);border-radius:var(--r-pill);
  font-family:var(--font-mono);font-size:12px;letter-spacing:2px;color:var(--accent-2);
}
.hb-tagline{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}

/* ---------- Hero ---------- */
.hb-hero{padding:44px 0 64px;scroll-margin-top:96px}
@media (min-width:1024px){
  .hb-hero{display:flex;align-items:center;min-height:78vh;padding:76px 0 104px}
}
.hb-hero-copy{max-width:620px}
.hb-hero-sub{margin-top:18px;font-size:clamp(17px,2vw,21px);font-weight:600;color:var(--ink)}
.hb-hero-desc{margin-top:16px;color:var(--ink-soft);max-width:560px}
.hb-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hb-hero-stats{
  display:flex;flex-wrap:wrap;gap:14px 34px;
  margin-top:44px;padding-top:24px;border-top:1px solid var(--line);
}
.hb-stat-num{font-family:var(--font-mono);font-size:22px;font-weight:600;color:var(--ink);line-height:1.3}
.hb-stat-label{font-size:13px;color:var(--muted)}
.hb-hero-figure{
  margin:32px 0 0;border:1px solid var(--line);border-radius:var(--r-l);
  overflow:hidden;background:var(--paper-2);
}
@media (min-width:1024px){.hb-hero-figure{margin:0}}
.hb-hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
@media (min-width:768px){.hb-hero-figure img{aspect-ratio:16/10}}
.hb-figure-caption{font-size:12px;color:var(--muted);padding:12px 16px;border-top:1px solid var(--line)}

/* ---------- 卡片矩阵 ---------- */
.hb-cards{margin-bottom:-32px}
.hb-cards > .cell{margin-bottom:32px;display:flex}
.hb-card{
  display:flex;flex-direction:column;width:100%;
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-l);
  overflow:hidden;box-shadow:var(--shadow-s);color:inherit;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.hb-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-l);border-color:rgba(255,77,25,.3);color:inherit}
.hb-card-media{aspect-ratio:3/2;overflow:hidden;background:var(--paper-2)}
.hb-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease}
.hb-card:hover .hb-card-media img{transform:scale(1.03)}
.hb-card-body{display:flex;flex-direction:column;gap:10px;flex:1;padding:22px}
.hb-card-title{font-size:19px;font-weight:600;color:var(--ink);line-height:1.4}
.hb-card-text{margin:0;font-size:14px;line-height:1.75;color:var(--muted)}
.hb-card-more{
  margin-top:auto;display:inline-flex;align-items:center;gap:6px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:2px;color:var(--accent-2);
}
.hb-card:hover .hb-card-more .hb-arrow{transform:translateX(4px)}
.hb-card-more .hb-arrow{transition:transform .16s ease}

/* ---------- 行式清单 ---------- */
.hb-rows{border-top:1px solid var(--line)}
.hb-row{
  display:grid;grid-template-columns:96px 1fr auto;gap:24px;align-items:start;
  padding:26px 8px;border-bottom:1px solid var(--line);
  transition:background-color .18s ease;
}
.hb-row:hover{background:rgba(21,23,26,.025)}
.hb-row-num{font-family:var(--font-mono);font-size:22px;line-height:1.4;color:var(--accent)}
.hb-row-title{font-size:20px;margin-bottom:8px}
.hb-row p{margin:0;font-size:15px;color:var(--muted);max-width:660px}
.hb-tag{
  align-self:center;white-space:nowrap;
  padding:6px 12px;border:1px solid var(--line);border-radius:var(--r-pill);
  font-family:var(--font-mono);font-size:12px;letter-spacing:2px;color:var(--accent-2);
}

/* ---------- 时间轴 ---------- */
.hb-timeline{margin-top:8px}
.hb-tl-item{
  position:relative;display:grid;grid-template-columns:104px 1fr;gap:28px;
  padding:30px 0;border-top:1px solid var(--line);
}
.hb-tl-item:last-child{border-bottom:1px solid var(--line)}
.hb-tl-item::before{
  content:"";position:absolute;left:0;top:-5px;width:10px;height:10px;border-radius:50%;
  background:var(--paper);border:2px solid rgba(21,23,26,.2);
  transition:background-color .18s ease,border-color .18s ease;
}
.hb-tl-item:hover::before{background:var(--accent);border-color:var(--accent)}
.hb-tl-index{
  padding-left:22px;font-family:var(--font-mono);font-size:clamp(28px,4vw,44px);line-height:1.1;
  color:rgba(21,23,26,.18);transition:color .18s ease;
}
.hb-tl-item:hover .hb-tl-index{color:var(--accent)}
.hb-tl-body h3{margin-bottom:8px}
.hb-tl-body p{margin:0;font-size:15px;color:var(--muted);max-width:640px}

/* ---------- FAQ ---------- */
.hb-faq{max-width:920px;border-top:1px solid var(--line)}
.hb-faq details{border-bottom:1px solid var(--line)}
.hb-faq summary{
  display:flex;align-items:flex-start;gap:16px;
  padding:24px 0;cursor:pointer;list-style:none;
  font-size:19px;font-weight:600;color:var(--ink);
}
.hb-faq summary::-webkit-details-marker{display:none}
.hb-faq summary::marker{content:""}
.hb-faq-q{font-family:var(--font-mono);font-size:13px;color:var(--accent);letter-spacing:2px;padding-top:5px}
.hb-faq-title{flex:1}
.hb-faq-icon{position:relative;flex:0 0 18px;width:18px;height:18px;margin-top:8px}
.hb-faq-icon::before{content:"";position:absolute;top:8px;left:0;width:18px;height:2px;border-radius:2px;background:var(--accent);transition:transform .24s ease}
.hb-faq-icon::after{content:"";position:absolute;top:0;left:8px;width:2px;height:18px;border-radius:2px;background:var(--accent);transition:transform .24s ease,opacity .24s ease}
.hb-faq details[open] .hb-faq-icon::after{transform:rotate(90deg);opacity:0}
.hb-faq-body{padding:0 0 26px 56px;font-size:15.5px;color:var(--muted);max-width:780px}
.hb-faq details[open] .hb-faq-body{animation:hbFade .24s ease both}
@keyframes hbFade{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}

/* ---------- 深色 CTA ---------- */
.hb-cta{background:var(--ink);color:rgba(255,255,255,.78);padding:72px 0;scroll-margin-top:96px}
@media (min-width:1024px){.hb-cta{padding:104px 0}}
.hb-cta h2{color:#fff}
.hb-cta .hb-eyebrow{color:var(--accent-2)}
.hb-cta p{color:rgba(255,255,255,.72)}
.hb-cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hb-cta .hb-btn--ghost{border-color:rgba(255,255,255,.45);color:#fff}
.hb-cta .hb-btn--ghost:hover{background:#fff;color:var(--ink);border-color:#fff}
.hb-form{
  margin-top:34px;padding:26px;
  background:rgba(255,255,255,.04);border:1px solid var(--line-inv);border-radius:var(--r-l);
}
@media (min-width:1024px){.hb-form{margin-top:0}}
.hb-form h3{color:#fff;font-size:18px;margin-bottom:6px}
.hb-form-note{font-size:13px;color:rgba(255,255,255,.55);margin-bottom:20px}
.hb-field{margin-bottom:18px}
.hb-field label{display:block;font-family:var(--font-mono);font-size:12px;letter-spacing:2px;color:rgba(255,255,255,.6);margin-bottom:8px}
.hb-input{
  width:100%;padding:10px 0;background:transparent;border:0;
  border-bottom:1px solid rgba(255,255,255,.24);
  color:#fff;font-size:16px;font-family:var(--font-sans);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.hb-input::placeholder{color:rgba(255,255,255,.34)}
.hb-input:focus{outline:none;border-bottom-color:var(--accent);box-shadow:0 1px 0 0 var(--accent)}
.hb-form-foot{font-size:12px;color:rgba(255,255,255,.45);margin-top:14px}

/* ---------- 页脚 ---------- */
.hb-footer{background:var(--ink);color:rgba(255,255,255,.7);padding:72px 0 32px}
.hb-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.hb-footer .hb-logo{color:#fff}
.hb-footer .hb-logo:hover{color:#fff}
.hb-footer-about{margin-top:16px;max-width:320px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.6)}
.hb-footer-col h4{font-family:var(--font-mono);font-size:13px;letter-spacing:4px;color:#fff;font-weight:600;margin-bottom:18px}
.hb-footer-col ul li{margin-bottom:10px;font-size:14px;color:rgba(255,255,255,.6)}
.hb-footer-col ul a{color:rgba(255,255,255,.68);font-size:14px}
.hb-footer-col ul a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.hb-footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  font-family:var(--font-mono);font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 浮动 CTA ---------- */
.hb-float{
  position:fixed;right:24px;bottom:24px;z-index:70;
  display:flex;align-items:center;gap:14px;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s ease;
}
.hb-float.is-visible{opacity:1;visibility:visible;transform:none}
.hb-float .hb-float-link{font-size:14px;color:var(--ink-soft);text-decoration:underline;text-underline-offset:3px}

/* ---------- 入场动效 ---------- */
.hb-reveal{opacity:0;transform:translateY(16px);transition:opacity .48s cubic-bezier(.22,.61,.36,1),transform .48s cubic-bezier(.22,.61,.36,1);transition-delay:calc(var(--d,0) * 60ms)}
.hb-reveal.is-in{opacity:1;transform:none}

/* ---------- 锚点偏移 ---------- */
#services,#detail,#flow,#faq{scroll-margin-top:96px}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .hb-footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .hb-row{grid-template-columns:76px 1fr auto}
  .hb-tl-item{grid-template-columns:84px 1fr;gap:20px}
  .hb-faq-body{padding-left:40px}
}
@media (max-width:767px){
  .hb-nav{display:none}
  .hb-menu-btn{display:inline-flex}
  .hb-dock{padding:10px 14px;border-radius:var(--r-l)}
  .hb-header.is-scrolled .hb-dock{padding:8px 14px}
  .hb-hero{padding:32px 0 56px}
  .hb-hero-stats{gap:12px 24px;margin-top:32px}
  .hb-stat-num{font-size:20px}
  .hb-row{grid-template-columns:1fr;gap:10px;padding:22px 4px}
  .hb-tag{justify-self:start}
  .hb-tl-item{grid-template-columns:56px 1fr;gap:16px;padding:24px 0}
  .hb-tl-index{padding-left:18px;font-size:26px}
  .hb-faq summary{font-size:17px}
  .hb-faq-body{padding-left:0}
  .hb-footer{padding:56px 0 28px}
  .hb-footer-grid{grid-template-columns:1fr;gap:28px}
  .hb-footer-about{max-width:none}
  .hb-float{left:16px;right:16px;bottom:12px;gap:10px}
  .hb-float .hb-btn{flex:1;height:56px}
  .hb-float .hb-float-link{white-space:nowrap}
  #services,#detail,#flow,#faq{scroll-margin-top:72px}
}
@media (max-width:520px){
  .hb-hero-actions .hb-btn{width:100%}
  .hb-cta-actions .hb-btn{width:100%}
  .hb-float .hb-float-link{display:none}
}

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