/* roulang page: index */
:root{
  --bs-primary:#E4572E;
  --bs-primary-rgb:228,87,46;
  --bs-body-bg:#F6F3EE;
  --bs-body-color:#1E1E1C;
  --bs-border-color:#E3DED4;
  --bs-border-radius:14px;
  --bs-link-color:#C6481F;
  --bs-link-hover-color:#E4572E;
  --bs-font-sans-serif:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;

  --brand:#E4572E;
  --brand-dark:#C6481F;
  --brand-soft:#FDEBE4;
  --deep:#0F3D32;
  --lime:#C6F24E;
  --bg:#F6F3EE;
  --bg-alt:#EFEBE3;
  --card:#FFFFFF;
  --ink:#1E1E1C;
  --muted:#6B6A63;
  --line:#E3DED4;
  --r-card:18px;
  --r-img:14px;
  --r-hero:24px;
  --sh-1:0 1px 2px rgba(15,61,50,.06), 0 8px 24px -12px rgba(15,61,50,.18);
  --sh-2:0 12px 32px -10px rgba(15,61,50,.24);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.9;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand-dark);text-decoration:none;transition:color .25s var(--ease)}
a:hover{color:var(--brand)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--deep);letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(228,87,46,.35);outline-offset:2px;border-radius:8px}
section[id],div[id]{scroll-margin-top:96px}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;width:100%}
.tnum{font-variant-numeric:tabular-nums}

/* ============ Dock 导航 ============ */
.dock-wrap{
  position:fixed;top:20px;left:0;right:0;z-index:1040;
  display:flex;flex-direction:column;align-items:center;
  padding:0 16px;pointer-events:none;
}
.dock{
  pointer-events:auto;
  width:100%;max-width:1080px;height:64px;
  display:flex;align-items:center;gap:14px;
  padding:8px 12px;
  border-radius:999px;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  backdrop-filter:saturate(180%) blur(12px);
  border:1px solid rgba(15,61,50,.08);
  box-shadow:var(--sh-1);
  transition:height .3s var(--ease),background .3s var(--ease),box-shadow .3s var(--ease);
}
.dock.is-scrolled{height:56px;background:rgba(255,255,255,.94);box-shadow:var(--sh-2)}
.dock-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;padding-left:6px}
.logo-mark{width:36px;height:36px;border-radius:11px;background:var(--brand);display:flex;align-items:center;justify-content:center;flex:0 0 auto;transition:transform .3s var(--ease)}
.dock-logo:hover .logo-mark{transform:rotate(-6deg)}
.logo-text{font-size:17px;font-weight:700;color:var(--deep);letter-spacing:.01em;white-space:nowrap}
.dock-nav{display:flex;align-items:center;gap:2px;margin:0 auto}
.dock-nav a{
  display:inline-flex;align-items:center;gap:7px;
  font-size:15px;font-weight:500;color:var(--deep);
  padding:9px 14px;border-radius:999px;white-space:nowrap;
  transition:background .25s var(--ease),color .25s var(--ease);
}
.dock-nav a:hover{background:rgba(228,87,46,.06);color:var(--brand-dark)}
.dock-nav a.is-active{color:var(--brand-dark);background:rgba(228,87,46,.07)}
.dock-nav a.is-active::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);flex:0 0 auto}
.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.icon-btn{
  width:38px;height:38px;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:var(--deep);
  display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:all .25s var(--ease);
}
.icon-btn:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 24px;border-radius:999px;border:none;
  background:var(--brand);color:#fff;font-size:15px;font-weight:600;
  cursor:pointer;transition:all .25s var(--ease);
}
.btn-brand:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-brand:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 22px;border-radius:999px;
  border:1px solid var(--deep);background:transparent;color:var(--deep);
  font-size:15px;font-weight:600;cursor:pointer;
  transition:all .25s var(--ease);
}
.btn-ghost:hover{background:rgba(15,61,50,.08);color:var(--deep);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.dock-cta{padding:10px 20px;font-size:14.5px}
.dock-toggle{display:none;width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--deep);align-items:center;justify-content:center;cursor:pointer}
.dock-drawer{
  pointer-events:auto;display:none;position:fixed;top:92px;left:16px;right:16px;
  background:#fff;border-radius:20px;box-shadow:var(--sh-2);
  padding:10px;max-height:70vh;overflow:auto;z-index:1041;
}
.dock-drawer.open{display:block}
.dock-drawer a{
  display:block;padding:0 16px;height:44px;line-height:44px;
  font-size:15px;color:var(--deep);border-radius:12px;border-left:3px solid transparent;
  transition:all .2s var(--ease);
}
.dock-drawer a:hover,.dock-drawer a.is-active{background:rgba(228,87,46,.06);border-left-color:var(--brand);color:var(--brand-dark)}

/* ============ Hero ============ */
.hero{padding:148px 0 96px;position:relative;overflow:hidden}
.hero::after{
  content:"";position:absolute;right:-160px;top:-80px;width:520px;height:520px;border-radius:50%;
  border:1px solid rgba(15,61,50,.06);pointer-events:none;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;
  border:1px solid var(--line);background:rgba(228,87,46,.06);
  font-size:13.5px;font-weight:600;color:var(--brand-dark);letter-spacing:.02em;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--lime)}
.hero h1{
  font-size:clamp(32px,4.4vw,52px);line-height:1.2;font-weight:700;
  margin:22px 0 18px;color:var(--deep);
}
.hero-sub{font-size:18px;line-height:1.85;color:var(--muted);max-width:520px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-stats{display:flex;align-items:stretch;gap:0;margin-top:42px;flex-wrap:wrap}
.hero-stats .stat{padding:0 24px;border-left:1px solid var(--line)}
.hero-stats .stat:first-child{padding-left:0;border-left:none}
.stat-num{font-size:30px;font-weight:700;color:var(--deep);line-height:1.1;font-variant-numeric:tabular-nums}
.stat-unit{font-size:14px;color:var(--brand);font-weight:600;margin-left:3px}
.stat-label{display:block;font-size:13px;color:var(--muted);margin-top:4px}
.hero-visual{position:relative;padding-bottom:26px}
.hero-img{width:100%;height:430px;object-fit:cover;border-radius:var(--r-hero);box-shadow:var(--sh-1)}
.hero-badge-card{
  position:absolute;right:-18px;bottom:0;width:196px;
  background:#fff;border-radius:16px;padding:12px;
  box-shadow:var(--sh-2);display:flex;gap:12px;align-items:center;
  border:1px solid rgba(15,61,50,.06);
}
.hero-badge-card img{width:52px;height:52px;object-fit:cover;border-radius:12px;flex:0 0 auto}
.hero-badge-card strong{display:block;font-size:14.5px;color:var(--deep);line-height:1.4}
.hero-badge-card span{display:block;font-size:12px;color:var(--muted);margin-top:2px}

/* ============ 通用板块 ============ */
.section{padding:96px 0}
.section-alt{background:var(--bg-alt)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.sec-head h2{position:relative;padding-left:18px;font-size:clamp(24px,2.6vw,34px);line-height:1.3}
.sec-head h2::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:4px;height:20px;border-radius:2px;background:var(--brand)}
.sec-head p{font-size:15px;color:var(--muted);margin-top:10px;max-width:620px}
.sec-more{font-size:14.5px;font-weight:600;color:var(--brand-dark);display:inline-flex;align-items:center;gap:6px}
.sec-more:hover{text-decoration:underline;text-underline-offset:3px}

/* ============ 深色理念区 ============ */
.manifest{background:var(--deep);color:#fff;padding:96px 0;position:relative;overflow:hidden}
.manifest::before{
  content:"";position:absolute;left:50%;top:-220px;width:640px;height:640px;transform:translateX(-50%);
  border-radius:50%;border:1px solid rgba(255,255,255,.06);pointer-events:none;
}
.manifest h2{color:#fff;font-size:clamp(24px,2.6vw,34px);line-height:1.3;margin:14px 0 20px}
.manifest .num{font-size:56px;font-weight:700;line-height:1;color:rgba(198,242,78,.85);font-variant-numeric:tabular-nums;letter-spacing:-.04em}
.manifest p{color:rgba(255,255,255,.72);font-size:16.5px;line-height:1.95;margin-bottom:18px;max-width:560px}
.manifest-points{display:flex;flex-direction:column;gap:22px}
.manifest-point{
  display:flex;gap:16px;align-items:flex-start;
  padding:20px;border-radius:16px;border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.03);transition:background .25s var(--ease),transform .25s var(--ease);
}
.manifest-point:hover{background:rgba(255,255,255,.07);transform:translateX(4px)}
.manifest-point .mp-ico{
  width:44px;height:44px;border-radius:13px;flex:0 0 auto;
  background:rgba(198,242,78,.14);color:var(--lime);
  display:flex;align-items:center;justify-content:center;
}
.manifest-point h3{font-size:16.5px;color:#fff;margin-bottom:4px;font-weight:600}
.manifest-point p{font-size:14px;color:rgba(255,255,255,.66);margin:0;line-height:1.75}

/* ============ 精选内容卡 ============ */
.feature-grid{display:grid;gap:24px;grid-template-columns:1fr;align-items:stretch}
.card-lg{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;position:relative;transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.card-lg:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(228,87,46,.35)}
.card-lg .media{position:relative;overflow:hidden}
.card-lg .media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card-lg:hover .media img{transform:scale(1.03)}
.card-lg .body{padding:24px}
.chip{
  display:inline-block;padding:4px 11px;border-radius:6px;
  background:var(--brand-soft);color:var(--brand-dark);
  font-size:11.5px;font-weight:600;letter-spacing:.02em;
}
.card-lg h3{font-size:20px;line-height:1.45;margin:12px 0 10px;transition:color .25s var(--ease)}
.card-lg:hover h3{color:var(--brand)}
.card-lg p{font-size:14.5px;line-height:1.8;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.meta-row{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--muted);letter-spacing:.02em;margin-top:16px;font-variant-numeric:tabular-nums}
.meta-row .sep{color:var(--line)}
.card-lg .media.tall img{height:300px}
.card-h{display:flex;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease)}
.card-h:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(228,87,46,.35)}
.card-h .thumb{width:40%;flex:0 0 40%;overflow:hidden}
.card-h .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card-h:hover .thumb img{transform:scale(1.03)}
.card-h .body{padding:20px}
.card-h h3{font-size:17px;line-height:1.45;margin:10px 0 8px}
.card-h:hover h3{color:var(--brand)}
.card-h p{font-size:13.5px;line-height:1.75;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.feature-col{display:flex;flex-direction:column;gap:24px}
.feature-col .card-h{flex:1}

/* ============ 信任背书条 ============ */
.trust{background:var(--bg-alt);padding:64px 0}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.trust-cell{padding:8px 24px;border-left:1px solid var(--line)}
.trust-cell:first-child{padding-left:0;border-left:none}
.trust-num{font-size:clamp(28px,3.4vw,40px);font-weight:700;color:var(--deep);line-height:1.1;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.trust-num small{font-size:15px;color:var(--brand);font-weight:600;margin-left:4px;letter-spacing:0}
.trust-label{font-size:13.5px;color:var(--muted);margin-top:8px}
.trust-note{margin-top:32px;padding-top:22px;border-top:1px solid var(--line);font-size:13.5px;color:var(--muted);display:flex;flex-wrap:wrap;gap:10px 28px}

/* ============ 资讯卡列表 ============ */
.post-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;height:100%;transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(228,87,46,.35)}
.post-link{display:flex;flex-direction:column;height:100%;color:inherit}
.post-cover{aspect-ratio:16/9;overflow:hidden;background:var(--bg-alt);position:relative}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.post-card:hover .post-cover img{transform:scale(1.03)}
.post-cover-ph{
  width:100%;height:100%;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#FDEBE4,#EFEBE3);
  font-size:34px;font-weight:700;color:var(--brand);opacity:.85;
}
.post-body{padding:22px;display:flex;flex-direction:column;flex:1}
.post-title{font-size:17.5px;line-height:1.45;margin:12px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .25s var(--ease)}
.post-card:hover .post-title{color:var(--brand)}
.post-excerpt{font-size:14px;line-height:1.75;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:16px;font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums}
.post-arrow{width:30px;height:30px;border-radius:50%;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;color:var(--deep);transition:all .25s var(--ease);flex:0 0 auto}
.post-card:hover .post-arrow{background:var(--brand);border-color:var(--brand);color:#fff;transform:translateX(3px)}
.empty-state{
  border:1.5px dashed var(--line);border-radius:var(--r-card);
  padding:48px 24px;text-align:center;background:rgba(255,255,255,.5);
}
.empty-state svg{color:var(--brand);margin-bottom:14px}
.empty-state p{font-size:15px;color:var(--muted);margin-bottom:18px}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-acc .accordion-item{
  border:1px solid var(--line);border-radius:16px;background:#fff;
  margin-bottom:12px;overflow:hidden;transition:border-color .25s var(--ease);
}
.faq-acc .accordion-item:has(.accordion-button:not(.collapsed)){border-color:var(--brand);border-width:1.5px}
.faq-acc .accordion-button{
  width:100%;display:flex;align-items:center;gap:14px;
  padding:20px 22px;font-size:16px;font-weight:600;color:var(--deep);
  background:#fff;box-shadow:none;border:none;border-radius:0;
}
.faq-acc .accordion-button:not(.collapsed){color:var(--brand);background:#fff;box-shadow:none}
.faq-acc .accordion-button::after{display:none}
.faq-acc .accordion-button:focus{box-shadow:none;outline:2px solid rgba(228,87,46,.3);outline-offset:-2px}
.faq-plus{width:14px;height:14px;margin-left:auto;position:relative;flex:0 0 auto}
.faq-plus::before,.faq-plus::after{content:"";position:absolute;background:var(--brand);border-radius:2px;transition:transform .3s var(--ease),opacity .3s var(--ease)}
.faq-plus::before{left:0;top:6px;width:14px;height:2px}
.faq-plus::after{left:6px;top:0;width:2px;height:14px}
.accordion-button:not(.collapsed) .faq-plus::after{transform:rotate(90deg);opacity:0}
.faq-acc .accordion-body{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--muted)}

/* ============ CTA 订阅 ============ */
.cta-band{
  background:var(--brand);border-radius:24px;padding:52px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-90px;bottom:-120px;width:320px;height:320px;border-radius:50%;
  background:rgba(255,255,255,.08);pointer-events:none;
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,30px);line-height:1.35;margin-bottom:12px}
.cta-band p{color:rgba(255,255,255,.85);font-size:15px;max-width:460px;line-height:1.8}
.cta-form-wrap{flex:1 1 380px;max-width:480px;position:relative;z-index:1}
.sub-form{display:flex;gap:10px}
.sub-input{
  flex:1;height:48px;border-radius:999px;border:1px solid rgba(255,255,255,.4);
  background:rgba(255,255,255,.95);padding:0 20px;font-size:15px;color:var(--ink);
  transition:box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.sub-input::placeholder{color:#9A9890}
.sub-input:focus{outline:none;border-color:#fff;box-shadow:0 0 0 3px rgba(255,255,255,.35)}
.sub-btn{
  height:48px;padding:0 26px;border-radius:999px;border:none;
  background:var(--deep);color:#fff;font-size:15px;font-weight:600;cursor:pointer;
  transition:all .25s var(--ease);flex:0 0 auto;
}
.sub-btn:hover{background:#0A2C24;transform:translateY(-2px);box-shadow:0 12px 26px -12px rgba(0,0,0,.5)}
.sub-btn:active{transform:translateY(0)}
.sub-tip{font-size:12.5px;color:rgba(255,255,255,.78);margin-top:12px}

/* ============ 页脚 ============ */
.site-footer{background:var(--deep);color:#fff;padding:72px 0 0;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .logo-mark{background:var(--brand)}
.footer-brand span{font-size:17px;font-weight:700;color:#fff}
.site-footer p{color:rgba(255,255,255,.72);font-size:14px;line-height:1.85}
.footer-title{font-size:14.5px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{color:rgba(255,255,255,.72);font-size:14px;transition:color .25s var(--ease)}
.footer-links a:hover{color:#fff}
.footer-bottom{
  margin-top:56px;padding:24px 0;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:#fff}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .hero-img{height:400px}
}
@media (max-width:991.98px){
  .dock-nav{display:none}
  .dock-toggle{display:inline-flex}
  .dock-cta{display:none}
  .hero{padding:132px 0 72px}
  .hero-visual{margin-top:40px}
  .hero-img{height:320px}
  .section{padding:72px 0}
  .manifest{padding:72px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .trust-grid{grid-template-columns:1fr 1fr}
  .trust-cell{padding:16px 20px;border-left:none;border-top:1px solid var(--line)}
  .trust-cell:nth-child(1),.trust-cell:nth-child(2){border-top:none}
  .trust-cell:nth-child(odd){padding-left:0}
}
@media (min-width:992px){
  .feature-grid{grid-template-columns:7fr 5fr}
  .card-lg .media.tall img{height:340px}
}
@media (max-width:767.98px){
  body{font-size:16px;line-height:1.85}
  .container{padding-left:18px;padding-right:18px}
  .dock{height:56px}
  .dock-wrap{top:14px}
  .dock-drawer{top:82px}
  .hero{padding:118px 0 56px}
  .hero-img{height:260px}
  .hero-badge-card{width:170px;right:0;bottom:0;padding:10px}
  .hero-badge-card img{width:44px;height:44px}
  .hero-stats .stat{padding:0 16px}
  .stat-num{font-size:24px}
  .section{padding:56px 0}
  .manifest{padding:56px 0}
  .manifest .num{font-size:42px}
  .cta-band{padding:36px 24px;border-radius:20px}
  .sub-form{flex-direction:column}
  .sub-btn{width:100%}
  .trust-num{font-size:26px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .site-footer{padding-top:56px;margin-top:56px}
  .card-lg .media.tall img{height:220px}
  .card-h .thumb{width:38%;flex:0 0 38%}
}
@media (max-width:520px){
  .hero h1{font-size:29px}
  .hero-sub{font-size:16px}
  .hero-stats{gap:18px 0}
  .trust-grid{grid-template-columns:1fr 1fr}
  .sec-head h2{font-size:23px}
  .card-h{flex-direction:column}
  .card-h .thumb{width:100%;flex:0 0 auto;aspect-ratio:16/9}
}

/* roulang page: article */
:root{
  --brand:#E4572E;
  --brand-dark:#C6481F;
  --brand-soft:#FDEBE4;
  --ink:#0F3D32;
  --lime:#C6F24E;
  --bg:#F6F3EE;
  --card:#FFFFFF;
  --alt:#EFEBE3;
  --line:#E3DED4;
  --text:#1E1E1C;
  --muted:#6B6A63;
  --r-card:18px;
  --r-img:14px;
  --r-hero:24px;
  --r-pill:999px;
  --r-input:12px;
  --r-chip:6px;
  --sh-1:0 1px 2px rgba(15,61,50,.06), 0 8px 24px -12px rgba(15,61,50,.18);
  --sh-2:0 12px 32px -10px rgba(15,61,50,.24);
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-primary:#E4572E;
  --bs-body-color:#1E1E1C;
  --bs-body-bg:#F6F3EE;
  --bs-border-radius:12px;
  --bs-link-color:#E4572E;
  --bs-link-hover-color:#C6481F;
  --bs-font-sans-serif:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color .25s var(--ease)}
a:hover{color:var(--brand-dark)}
button{font-family:inherit}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4{margin:0;color:var(--ink)}
p{margin:0}
::selection{background:rgba(228,87,46,.18)}
:focus-visible{outline:3px solid rgba(228,87,46,.3);outline-offset:2px}

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

/* ============ Dock 导航 ============ */
.dock{
  position:fixed;
  top:20px;
  left:50%;
  transform:translateX(-50%);
  width:calc(100% - 40px);
  max-width:1080px;
  height:64px;
  display:flex;
  align-items:center;
  gap:10px;
  padding:8px 12px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  backdrop-filter:saturate(180%) blur(12px);
  border:1px solid rgba(15,61,50,.08);
  box-shadow:var(--sh-1);
  z-index:1000;
  transition:height .25s var(--ease),background .25s var(--ease),box-shadow .25s var(--ease);
}
.dock.is-scrolled{height:56px;background:rgba(255,255,255,.94);box-shadow:var(--sh-2)}
.dock-logo{display:flex;align-items:center;gap:10px;flex-shrink:0;color:var(--ink);font-weight:700;font-size:16px;letter-spacing:.01em}
.dock-logo:hover{color:var(--ink)}
.logo-mark{
  width:32px;height:32px;border-radius:10px;background:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;
}
.dock-nav{
  display:flex;align-items:center;gap:2px;list-style:none;
  margin:0 auto;padding:0;
}
.dock-nav a{
  display:flex;align-items:center;gap:6px;
  padding:8px 14px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;color:var(--ink);white-space:nowrap;
  transition:background .25s var(--ease),color .25s var(--ease);
}
.dock-nav a:hover{background:rgba(228,87,46,.06);color:var(--brand)}
.dock-nav a.is-active{background:rgba(228,87,46,.08);color:var(--brand)}
.dock-nav a.is-active::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);flex-shrink:0;
}
.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;
  background:transparent;border:1px solid transparent;color:var(--ink);
  cursor:pointer;transition:background .25s var(--ease),color .25s var(--ease);
}
.icon-btn:hover{background:rgba(15,61,50,.06);color:var(--brand)}
.dock-toggle{
  display:none;width:38px;height:38px;border-radius:50%;
  align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--line);color:var(--ink);cursor:pointer;
}
.dock-toggle:hover{background:rgba(15,61,50,.06)}
.dock-cta{padding:9px 20px;font-size:14px}

/* ============ 按钮 ============ */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-pill);
  background:var(--brand);color:#fff;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .25s var(--ease),background .25s var(--ease),box-shadow .25s var(--ease),color .25s var(--ease);
}
.btn-brand:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-brand:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-pill);
  background:transparent;color:var(--ink);font-size:15px;font-weight:600;
  border:1px solid var(--ink);cursor:pointer;white-space:nowrap;
  transition:background .25s var(--ease),transform .25s var(--ease),color .25s var(--ease);
}
.btn-ghost:hover{background:rgba(15,61,50,.08);color:var(--ink);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-lime{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-pill);
  background:var(--lime);color:var(--ink);font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;
  transition:transform .25s var(--ease),filter .25s var(--ease);
}
.btn-lime:hover{color:var(--ink);transform:translateY(-2px);filter:brightness(1.05)}

.chip{
  display:inline-block;padding:4px 10px;border-radius:var(--r-chip);
  background:var(--brand-soft);color:var(--brand-dark);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}

/* ============ 文章页主区 ============ */
.article-main{padding-top:112px}

.breadcrumb-bar{
  font-size:12.5px;color:var(--muted);letter-spacing:.02em;margin-bottom:20px;
  display:flex;align-items:center;flex-wrap:wrap;
}
.breadcrumb-bar a{color:var(--muted)}
.breadcrumb-bar a:hover{color:var(--brand)}
.breadcrumb-bar .sep{margin:0 8px;opacity:.55}
.breadcrumb-bar .current{
  display:inline-block;max-width:320px;white-space:nowrap;overflow:hidden;
  text-overflow:ellipsis;vertical-align:bottom;
}
.article-header{max-width:860px}
.article-title{
  font-size:clamp(28px,4vw,40px);line-height:1.35;font-weight:700;color:var(--ink);
  margin:18px 0 0;letter-spacing:-.01em;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.article-meta{
  margin-top:18px;font-size:12.5px;color:var(--muted);letter-spacing:.02em;
  font-variant-numeric:tabular-nums;display:flex;flex-wrap:wrap;align-items:center;
}
.article-meta .dot{margin:0 10px;opacity:.5}
.rule{height:1px;background:var(--line);margin:28px 0 0;border:0}

.article-section{padding:44px 0 0}
.article-layout{display:block}
.article-body{
  max-width:720px;margin:0 auto;
  font-size:17px;line-height:1.9;color:var(--text);
  overflow-wrap:break-word;
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 22px}
.article-body h2{
  position:relative;font-size:clamp(22px,2.4vw,26px);line-height:1.4;font-weight:700;
  color:var(--ink);margin:40px 0 16px;padding-left:16px;scroll-margin-top:96px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.3em;width:4px;height:20px;
  border-radius:2px;background:var(--brand);
}
.article-body h3{font-size:19px;line-height:1.4;font-weight:600;color:var(--ink);margin:28px 0 12px;scroll-margin-top:96px}
.article-body h4{font-size:17px;font-weight:600;margin:24px 0 10px;color:var(--ink)}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:22px}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:8px}
.article-body li::marker{color:var(--brand)}
.article-body blockquote{
  margin:0 0 22px;border-left:3px solid var(--brand);background:var(--alt);
  padding:20px 22px;border-radius:0 12px 12px 0;color:#3c3b36;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:26px auto;box-shadow:var(--sh-1)}
.article-body figure{margin:26px 0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--muted);margin-top:10px}
.article-body table{
  display:block;width:100%;overflow-x:auto;border-collapse:collapse;font-size:15px;
  margin:0 0 24px;border-radius:12px;
}
.article-body th{background:var(--alt);font-weight:600;text-align:left;color:var(--ink)}
.article-body th,.article-body td{padding:12px 14px;border:1px solid var(--line);white-space:nowrap}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.article-body a:hover{color:var(--brand-dark)}
.article-body code{background:var(--alt);padding:2px 6px;border-radius:6px;font-size:.92em;color:var(--brand-dark)}
.article-body hr{border:0;height:1px;background:var(--line);margin:32px 0}

/* 空态 */
.empty-state{
  border:1.5px dashed var(--line);border-radius:var(--r-card);
  padding:48px 24px;text-align:center;background:#fff;
}
.empty-state svg{margin:0 auto 16px;color:var(--brand)}
.empty-title{font-size:16px;font-weight:600;color:var(--ink);margin-bottom:8px}
.empty-desc{font-size:14px;color:var(--muted);margin-bottom:20px}

/* 目录 */
.article-aside{display:none}
.toc{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px;box-shadow:var(--sh-1);
}
.toc-title{
  font-size:13px;font-weight:700;color:var(--ink);letter-spacing:.08em;
  margin-bottom:12px;display:flex;align-items:center;gap:8px;
}
.toc-title::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--brand)}
.toc-list{list-style:none;margin:0;padding:0;border-left:1px solid var(--line)}
.toc-list a{
  display:block;padding:7px 0 7px 14px;margin-left:-1px;
  font-size:13.5px;line-height:1.5;color:var(--muted);
  border-left:2px solid transparent;
  transition:color .25s var(--ease),border-color .25s var(--ease);
}
.toc-list a:hover{color:var(--brand)}
.toc-list a.is-current{color:var(--brand);border-left-color:var(--brand);font-weight:600}

/* 标签 */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:44px}
.tag-label{font-size:13px;color:var(--muted);margin-right:2px}
.tag-chip{
  display:inline-block;padding:6px 12px;border-radius:var(--r-chip);
  border:1px solid var(--line);background:#fff;font-size:13px;color:var(--muted);
  transition:border-color .25s var(--ease),color .25s var(--ease),transform .25s var(--ease);
}
.tag-chip:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}

/* ============ 通用板块 ============ */
.section{padding:72px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-title{font-size:clamp(22px,2.6vw,30px);line-height:1.3;font-weight:700;color:var(--ink);position:relative;padding-left:16px}
.section-title::before{content:"";position:absolute;left:0;top:.26em;width:4px;height:22px;border-radius:2px;background:var(--brand)}
.section-title small{display:block;font-size:13px;font-weight:500;color:var(--muted);letter-spacing:.06em;margin-top:8px;padding-left:0}
.link-more{font-size:14px;font-weight:600;color:var(--brand);white-space:nowrap}
.link-more:hover{text-decoration:underline;text-underline-offset:3px}

/* 卡片 */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{
  position:relative;display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(228,87,46,.28)}
.post-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--alt)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.post-card:hover .post-thumb img{transform:scale(1.03)}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.post-body h3{
  font-size:17px;line-height:1.45;font-weight:600;color:var(--ink);margin:10px 0 8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .25s var(--ease);
}
.post-card:hover .post-body h3{color:var(--brand)}
.post-body p{
  font-size:14px;line-height:1.75;color:var(--muted);margin:0 0 16px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.post-meta svg{transition:transform .25s var(--ease)}
.post-card:hover .post-meta svg{transform:translateX(3px)}
.stretch-link{position:absolute;inset:0;z-index:1}

/* CTA 条 */
.cta-band{
  margin-top:72px;background:var(--ink);border-radius:var(--r-hero);
  padding:52px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:40px;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  border:1px solid rgba(255,255,255,.12);pointer-events:none;
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);line-height:1.35;font-weight:700;margin-bottom:12px}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;line-height:1.85;max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex-shrink:0}
.cta-band .btn-ghost{color:#fff;border-color:rgba(255,255,255,.4)}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);margin-top:96px;padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:16px;margin-bottom:14px}
.footer-brand .logo-mark{width:30px;height:30px;border-radius:9px;background:rgba(255,255,255,.12)}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);max-width:280px}
.footer-title{color:#fff;font-size:15px;font-weight:600;margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:rgba(255,255,255,.72);font-size:14px}
.footer-links a:hover{color:#fff}
.footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ============ 响应式 ============ */
@media (min-width:1200px){
  .article-layout{
    display:grid;grid-template-columns:minmax(0,720px) 220px;
    gap:52px;justify-content:center;align-items:start;
  }
  .article-body{margin:0;max-width:none}
  .article-aside{display:block;position:sticky;top:112px}
}
@media (max-width:1199.98px){
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:991.98px){
  .dock{top:12px;height:56px;padding:6px 10px;gap:6px;justify-content:space-between}
  .dock-nav{
    position:absolute;top:64px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;border-radius:20px;box-shadow:var(--sh-2);
    padding:10px;max-height:70vh;overflow-y:auto;display:none;margin:0;
  }
  .dock-nav.is-open{display:flex}
  .dock-nav a{padding:0 14px;height:44px;border-left:3px solid transparent;border-radius:0 12px 12px 0}
  .dock-nav a:hover,.dock-nav a.is-active{border-left-color:var(--brand);background:rgba(228,87,46,.06)}
  .dock-nav a.is-active::before{display:none}
  .dock-toggle{display:inline-flex}
  .icon-btn{display:none}
  .dock-logo{font-size:15px}
  .logo-mark{width:28px;height:28px;border-radius:9px}
  .article-main{padding-top:96px}
  .cta-band{padding:40px;flex-direction:column;align-items:flex-start;gap:24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767.98px){
  body{font-size:16px;line-height:1.85}
  .container{padding:0 18px}
  .article-main{padding-top:88px}
  .article-title{font-size:clamp(24px,7vw,30px)}
  .article-body{font-size:16px;line-height:1.85}
  .card-grid{grid-template-columns:1fr}
  .section{padding:56px 0 0}
  .cta-band{margin-top:56px;padding:32px 24px;border-radius:18px}
  .site-footer{margin-top:64px;padding:48px 0 24px}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px}
}
@media (max-width:575.98px){
  .dock-cta{padding:8px 16px;font-size:13px}
  .dock{width:calc(100% - 24px)}
  .footer-grid{grid-template-columns:1fr}
  .cta-actions{width:100%}
  .cta-actions .btn-brand,.cta-actions .btn-ghost{flex:1 1 100%;justify-content:center}
  .empty-state{padding:40px 18px}
  .tag-row{margin-top:32px}
}

/* roulang page: category1 */
:root{
  --brand:#E4572E;
  --brand-dark:#C6481F;
  --brand-soft:#FDEBE4;
  --ink:#0F3D32;
  --lime:#C6F24E;
  --bg:#F6F3EE;
  --card:#FFFFFF;
  --alt:#EFEBE3;
  --line:#E3DED4;
  --text:#1E1E1C;
  --muted:#6B6A63;
  --r-card:18px;
  --r-img:14px;
  --r-hero:24px;
  --r-pill:999px;
  --r-input:12px;
  --r-chip:6px;
  --sh-1:0 1px 2px rgba(15,61,50,.06), 0 8px 24px -12px rgba(15,61,50,.18);
  --sh-2:0 12px 32px -10px rgba(15,61,50,.24);
  --ease:cubic-bezier(.2,.7,.3,1);

  --bs-primary:#E4572E;
  --bs-body-color:#1E1E1C;
  --bs-body-bg:#F6F3EE;
  --bs-border-color:#E3DED4;
  --bs-border-radius:14px;
  --bs-link-color:#C6481F;
  --bs-link-hover-color:#E4572E;
  --bs-font-sans-serif:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --bs-gutter-x:24px;
  --bs-accordion-btn-icon:none;
  --bs-accordion-active-bg:#FDEBE4;
  --bs-accordion-active-color:#C6481F;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease),background-color .25s var(--ease),border-color .25s var(--ease)}
button,input{font:inherit}
ul{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em}
p{margin:0}
:focus-visible{outline:3px solid rgba(228,87,46,.35);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;width:100%}
section[id],div[id]{scroll-margin-top:96px}
.num{font-variant-numeric:tabular-nums}

/* ---------- Dock 导航 ---------- */
.dock{
  position:fixed;top:20px;left:50%;transform:translateX(-50%);
  width:min(1080px,calc(100% - 32px));
  height:64px;display:flex;align-items:center;gap:14px;
  padding:8px 12px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  backdrop-filter:saturate(180%) blur(12px);
  border:1px solid rgba(15,61,50,.08);
  box-shadow:var(--sh-1);
  z-index:1000;
  transition:height .25s var(--ease),background-color .25s var(--ease),box-shadow .25s var(--ease);
}
.dock.is-scrolled{height:56px;background:rgba(255,255,255,.94);box-shadow:var(--sh-2)}
.dock-logo{display:flex;align-items:center;gap:10px;flex:none;padding-left:4px}
.logo-mark{width:34px;height:34px;border-radius:12px;background:var(--brand);display:grid;place-items:center;flex:none}
.logo-text{font-size:16px;font-weight:700;color:var(--ink);white-space:nowrap;letter-spacing:.01em}
.dock-nav{display:flex;align-items:center;gap:2px;margin-left:6px}
.dock-nav a{
  display:inline-flex;align-items:center;font-size:15px;font-weight:500;color:var(--ink);
  padding:8px 14px;border-radius:var(--r-pill);white-space:nowrap;
}
.dock-nav a:hover{background:rgba(228,87,46,.07);color:var(--brand-dark)}
.dock-nav a.is-active{color:var(--brand-dark);background:var(--brand-soft)}
.dock-nav a.is-active::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);
  margin-right:7px;flex:none;
}
.dock-actions{margin-left:auto;display:flex;align-items:center;gap:10px;flex:none}
.icon-btn{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--line);background:#fff;color:var(--ink);cursor:pointer;
  transition:background-color .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease);
}
.icon-btn:hover{background:var(--alt);border-color:#d6cfc2;transform:translateY(-1px)}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand);color:#fff;font-weight:600;font-size:15px;
  padding:11px 22px;border-radius:var(--r-pill);border:0;cursor:pointer;
  transition:background-color .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease);
}
.btn-brand:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-brand:active{transform:translateY(0)}
.dock-cta{padding:10px 20px}
.dock-toggle{display:none;width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--ink);place-items:center;cursor:pointer}

/* ---------- 按钮 ---------- */
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid var(--ink);color:var(--ink);background:transparent;
  padding:11px 22px;border-radius:var(--r-pill);font-weight:600;font-size:15px;cursor:pointer;
  transition:background-color .25s var(--ease),transform .25s var(--ease),color .25s var(--ease);
}
.btn-ghost:hover{background:rgba(15,61,50,.08);color:var(--ink);transform:translateY(-2px)}
.btn-lime{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--lime);color:var(--ink);border:0;cursor:pointer;
  padding:0 26px;height:48px;border-radius:var(--r-pill);font-weight:700;font-size:15px;
  transition:background-color .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease);
}
.btn-lime:hover{background:#d6ff62;transform:translateY(-2px);box-shadow:0 12px 32px -12px rgba(198,242,78,.6)}
.btn-lime:active{transform:translateY(0)}
.link-more{font-size:14.5px;font-weight:600;color:var(--brand-dark);display:inline-flex;align-items:center;gap:6px}
.link-more:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px}

/* ---------- 页头 ---------- */
.page-head{padding:112px 0 0}
.crumb{display:flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.02em;color:var(--muted);margin-bottom:20px;flex-wrap:wrap}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{opacity:.55}
.crumb .current{color:var(--text);max-width:300px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid rgba(228,87,46,.28);background:rgba(228,87,46,.07);
  color:var(--brand-dark);font-size:13px;font-weight:600;
  padding:6px 14px;border-radius:var(--r-pill);margin-bottom:20px;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--lime);display:inline-block}
h1{font-size:clamp(32px,4.4vw,52px);line-height:1.2;font-weight:700}
.lead{font-size:17px;line-height:1.9;color:var(--muted);max-width:720px;margin-top:18px}
.page-banner{position:relative;margin-top:34px;border-radius:20px;overflow:hidden;aspect-ratio:21/9;background:var(--alt)}
.page-banner img{width:100%;height:100%;object-fit:cover}
.page-banner .veil{position:absolute;inset:0;background:rgba(15,61,50,.08)}

/* ---------- 板块 ---------- */
.sec{padding:96px 0}
.sec-tight{padding:64px 0 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.3;font-weight:700;position:relative;padding-left:16px}
.sec-head h2::before{content:"";position:absolute;left:0;top:.3em;width:4px;height:20px;border-radius:2px;background:var(--brand)}
.sec-head p{font-size:15px;color:var(--muted);max-width:560px;margin-top:10px}

/* ---------- Bento 卡片 ---------- */
.bento{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.card-live{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:14px;height:100%;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.card-live:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#d9d2c5}
.card-live:hover .card-title{color:var(--brand)}
.card-link{position:absolute;inset:0;z-index:3;border-radius:var(--r-card)}
.card-media{border-radius:var(--r-img);overflow:hidden;background:var(--alt);aspect-ratio:16/10}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.card-live:hover .card-media img{transform:scale(1.03)}
.card-body{padding:16px 8px 8px}
.chip{
  display:inline-block;background:var(--brand-soft);color:var(--brand-dark);
  font-size:11.5px;font-weight:600;letter-spacing:.02em;
  padding:4px 10px;border-radius:var(--r-chip);margin-bottom:10px;
}
.card-title{font-size:18px;line-height:1.45;font-weight:600;margin-bottom:8px;transition:color .25s var(--ease)}
.card-text{font-size:14px;line-height:1.75;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{display:flex;align-items:center;gap:8px;margin-top:14px;font-size:12.5px;letter-spacing:.02em;color:var(--muted);font-variant-numeric:tabular-nums}
.card-meta .arrow{margin-left:auto;color:var(--brand);font-size:16px;z-index:4}
.bento-main{grid-column:span 2}
.bento-main .card-media{aspect-ratio:16/9}
.bento-main .card-title{font-size:22px}
.bento-wide{grid-column:span 2;display:grid;grid-template-columns:38% 1fr;gap:0;align-items:stretch}
.bento-wide .card-media{aspect-ratio:auto;height:100%;min-height:158px}
.bento-wide .card-body{display:flex;flex-direction:column;justify-content:center;padding:14px 20px}

/* ---------- 侧栏 ---------- */
.side{position:sticky;top:104px;display:grid;gap:20px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:22px}
.side-title{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:700;color:var(--ink);margin-bottom:14px}
.side-title svg{color:var(--brand)}
.side-list{display:grid;gap:4px}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 12px;border-radius:12px;font-size:15px;color:var(--muted);
}
.side-list a:hover{background:var(--alt);color:var(--ink)}
.side-list a.current{background:var(--brand-soft);color:var(--brand-dark);font-weight:600}
.side-list a span.tag{font-size:11.5px;color:var(--muted);font-variant-numeric:tabular-nums}
.hot-item{display:flex;gap:14px;padding:14px 0;border-bottom:1px dashed var(--line)}
.hot-item:last-child{border-bottom:0;padding-bottom:0}
.hot-num{font-size:22px;font-weight:700;line-height:1.1;color:rgba(228,87,46,.32);font-variant-numeric:tabular-nums;flex:none}
.hot-item h4{font-size:15px;font-weight:600;line-height:1.5;margin-bottom:4px}
.hot-item p{font-size:13px;line-height:1.7;color:var(--muted)}

/* ---------- 卖点 ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.feature{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:26px 22px;transition:transform .25s var(--ease),box-shadow .25s var(--ease)}
.feature:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.feature-icon{width:42px;height:42px;border-radius:12px;background:var(--brand-soft);color:var(--brand-dark);display:grid;place-items:center;margin-bottom:16px}
.feature h3{font-size:17px;font-weight:600;margin-bottom:8px}
.feature p{font-size:14px;line-height:1.75;color:var(--muted)}

/* ---------- 统计条 ---------- */
.stats{
  background:var(--alt);border-radius:var(--r-hero);
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  padding:34px 12px;border:1px solid var(--line);
}
.stat{text-align:center;padding:6px 14px;border-right:1px solid #dcd6ca}
.stat:last-child{border-right:0}
.stat b{display:block;font-size:clamp(26px,3vw,36px);font-weight:700;color:var(--ink);line-height:1.15;font-variant-numeric:tabular-nums}
.stat span{display:block;font-size:13px;color:var(--muted);margin-top:6px}
.stats-note{margin-top:16px;font-size:13px;color:var(--muted);text-align:center}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.step{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:28px 24px;overflow:hidden}
.step-num{font-size:46px;font-weight:700;line-height:1;color:rgba(15,61,50,.10);font-variant-numeric:tabular-nums;margin-bottom:14px}
.step h3{font-size:18px;font-weight:600;margin-bottom:10px}
.step p{font-size:14.5px;line-height:1.8;color:var(--muted)}
.step::after{content:"";position:absolute;right:-40px;bottom:-40px;width:120px;height:120px;border-radius:50%;border:1px solid rgba(228,87,46,.12)}

/* ---------- FAQ ---------- */
.faq{max-width:860px;margin:0 auto}
.faq .accordion-item{border:1px solid var(--line);border-radius:14px;background:var(--card);margin-bottom:12px;overflow:hidden}
.faq .accordion-item:has(.accordion-button:not(.collapsed)){border-color:rgba(228,87,46,.7);border-width:1.5px}
.faq .accordion-button{
  background:var(--card);color:var(--ink);font-size:16px;font-weight:600;
  padding:18px 20px;box-shadow:none;border-radius:14px;
}
.faq .accordion-button:not(.collapsed){background:var(--brand-soft);color:var(--brand-dark);box-shadow:none}
.faq .accordion-button:focus{box-shadow:none;outline:3px solid rgba(228,87,46,.3);outline-offset:-3px}
.faq .accordion-button::after{
  content:"";width:16px;height:16px;flex:0 0 16px;margin-left:auto;
  background-image:linear-gradient(var(--brand),var(--brand)),linear-gradient(var(--brand),var(--brand));
  background-position:center,center;
  background-size:16px 2px,2px 16px;
  background-repeat:no-repeat;
  transition:background-size .3s var(--ease);
}
.faq .accordion-button:not(.collapsed)::after{background-size:16px 2px,2px 0}
.faq .accordion-body{font-size:15px;line-height:1.85;color:var(--muted);padding:6px 20px 20px}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--ink);border-radius:var(--r-hero);
  border:1px solid rgba(255,255,255,.12);
  padding:52px 48px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center;
}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-90px;width:300px;height:300px;border-radius:50%;
  border:1px solid rgba(198,242,78,.16);
  box-shadow:0 0 0 44px rgba(198,242,78,.05),0 0 0 88px rgba(198,242,78,.035);
  pointer-events:none;
}
.cta-band h2{color:#fff;font-size:clamp(24px,2.6vw,32px);line-height:1.35;font-weight:700;margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;line-height:1.85;max-width:520px}
.cta-form{display:flex;gap:10px}
.cta-form input{
  flex:1;height:48px;padding:0 18px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);color:#fff;
  font-size:15px;transition:border-color .25s var(--ease),background-color .25s var(--ease);
}
.cta-form input::placeholder{color:rgba(255,255,255,.55)}
.cta-form input:focus{outline:3px solid rgba(198,242,78,.35);outline-offset:2px;border-color:transparent;background:rgba(255,255,255,.12)}
.cta-note{margin-top:12px;font-size:12.5px;color:rgba(255,255,255,.6)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 28px;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:14px}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);max-width:300px}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:14px}
.footer-links{display:grid;gap:10px;font-size:14.5px}
.footer-links a{color:rgba(255,255,255,.72)}
.footer-links a:hover{color:#fff}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);margin-top:48px;padding-top:20px;font-size:12.5px;letter-spacing:.02em;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .dock-nav a{font-size:14.5px;padding:8px 11px}
  .side{position:static}
}
@media (max-width:991px){
  .sec{padding:72px 0}
  .sec-tight{padding:48px 0 0}
  .page-head{padding-top:100px}
  .dock{height:56px;gap:10px}
  .dock-toggle{display:grid}
  .dock-nav{
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;border:1px solid var(--line);border-radius:20px;
    box-shadow:var(--sh-2);padding:12px;max-height:70vh;overflow:auto;display:none;
  }
  .dock.is-open .dock-nav{display:flex}
  .dock-nav a{height:44px;padding:0 14px;border-radius:12px;border-left:3px solid transparent;font-size:15px}
  .dock-nav a:hover{background:var(--alt);border-left-color:var(--brand)}
  .feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:1fr}
  .cta-band{grid-template-columns:1fr;padding:38px 26px;gap:24px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  body{font-size:16px;line-height:1.85}
  .container{padding-left:18px;padding-right:18px}
  .lead{font-size:15.5px}
  .bento{grid-template-columns:1fr}
  .bento-main,.bento-wide{grid-column:span 1}
  .bento-wide{grid-template-columns:1fr}
  .bento-wide .card-media{min-height:190px;aspect-ratio:16/9}
  .bento-wide .card-body{padding:16px 8px 8px}
  .page-banner{aspect-ratio:16/9}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 0}
  .stat:nth-child(2){border-right:0}
  .stat{border-right:1px solid #dcd6ca}
  .cta-form{flex-direction:column}
  .cta-form input,.btn-lime{width:100%}
}
@media (max-width:575px){
  .dock{width:calc(100% - 24px);padding:8px 10px}
  .logo-text{font-size:15px}
  .dock-cta{display:none}
  .feature-grid{grid-template-columns:1fr}
  .sec{padding:56px 0}
  .footer-grid{grid-template-columns:1fr}
  .site-footer{margin-top:56px;padding-top:48px}
  .page-head{padding-top:88px}
}

/* roulang page: category2 */
:root{
  --brand:#E4572E;
  --brand-dark:#C6481F;
  --brand-soft:#FDEBE4;
  --brand-a06:rgba(228,87,46,.06);
  --ink-green:#0F3D32;
  --lime:#C6F24E;
  --bg:#F6F3EE;
  --bg-alt:#EFEBE3;
  --card:#FFFFFF;
  --line:#E3DED4;
  --ink:#1E1E1C;
  --muted:#6B6A63;
  --r-card:18px;
  --r-img:14px;
  --r-hero:24px;
  --r-pill:999px;
  --r-input:12px;
  --sh-1:0 1px 2px rgba(15,61,50,.06),0 8px 24px -12px rgba(15,61,50,.18);
  --sh-2:0 12px 32px -10px rgba(15,61,50,.24);
  --ease:.25s cubic-bezier(.2,.7,.3,1);
  --bs-primary:#E4572E;
  --bs-primary-rgb:228,87,46;
  --bs-body-color:#1E1E1C;
  --bs-body-bg:#F6F3EE;
  --bs-border-color:#E3DED4;
  --bs-border-radius:18px;
  --bs-border-radius-lg:18px;
  --bs-border-radius-sm:10px;
  --bs-link-color:#C6481F;
  --bs-link-hover-color:#E4572E;
  --bs-font-sans-serif:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --bs-gutter-x:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:17px;
  line-height:1.9;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{color:var(--ink-green);font-weight:700;line-height:1.3;margin:0}
h1{font-size:clamp(32px,4.4vw,52px);line-height:1.2;letter-spacing:-.01em}
h2{font-size:clamp(24px,2.6vw,34px);line-height:1.3}
h3{font-size:20px;line-height:1.4;font-weight:600}
p{margin:0}
img{max-width:100%;display:block}
a{color:var(--brand-dark);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--brand)}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;cursor:pointer}
input{font:inherit}
:focus-visible{outline:3px solid rgba(228,87,46,.35);outline-offset:2px}
::selection{background:var(--brand-soft);color:var(--brand-dark)}
section{scroll-margin-top:96px}
[id]{scroll-margin-top:96px}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
.section{padding:96px 0}
.section-alt{background:var(--bg-alt)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.sec-title{position:relative;padding-left:16px}
.sec-title::before{content:"";position:absolute;left:0;top:8px;width:4px;height:22px;border-radius:2px;background:var(--brand)}
.sec-desc{margin-top:10px;font-size:15px;color:var(--muted);max-width:620px}

/* ---------- Dock ---------- */
.dock{
  position:fixed;top:20px;left:50%;transform:translateX(-50%);
  width:calc(100% - 32px);max-width:1080px;height:64px;
  display:flex;align-items:center;gap:16px;
  padding:8px 12px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  backdrop-filter:saturate(180%) blur(12px);
  border:1px solid rgba(15,61,50,.08);
  box-shadow:var(--sh-1);
  z-index:1040;
  transition:height var(--ease),background var(--ease),box-shadow var(--ease);
}
.dock.is-scrolled{height:56px;background:rgba(255,255,255,.94);box-shadow:var(--sh-2)}
.dock-logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink-green);font-weight:700}
.dock-logo:hover{color:var(--ink-green)}
.logo-mark{
  width:34px;height:34px;border-radius:11px;flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(150deg,var(--brand),var(--brand-dark));
}
.logo-text{font-size:15.5px;letter-spacing:.01em;white-space:nowrap;line-height:1}
.dock-nav{display:flex;align-items:center;justify-content:center;gap:2px;flex:1 1 auto;min-width:0}
.dock-nav li{display:flex}
.dock-nav a{
  display:inline-flex;align-items:center;height:36px;padding:0 13px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;color:var(--ink);white-space:nowrap;
  transition:background var(--ease),color var(--ease);
}
.dock-nav a:hover{background:var(--brand-a06);color:var(--brand-dark)}
.dock-nav a.is-active{color:var(--brand-dark);font-weight:600}
.dock-nav a.is-active::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);margin-right:7px}
.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.icon-btn{
  width:40px;height:40px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--line);color:var(--ink-green);
  transition:background var(--ease),border-color var(--ease),transform var(--ease);
}
.icon-btn:hover{background:var(--brand-a06);border-color:rgba(228,87,46,.3);color:var(--brand-dark)}
.icon-btn:active{transform:scale(.96)}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-pill);border:1px solid transparent;
  background:var(--brand);color:#fff;font-size:15px;font-weight:600;
  transition:background var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-brand:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-brand:active{transform:translateY(0);box-shadow:var(--sh-1)}
.dock-cta{padding:10px 20px;font-size:14.5px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-pill);
  border:1px solid var(--ink-green);background:transparent;color:var(--ink-green);
  font-size:15px;font-weight:600;transition:background var(--ease),transform var(--ease);
}
.btn-ghost:hover{background:rgba(15,61,50,.08);color:var(--ink-green);transform:translateY(-2px)}
.btn-lime{
  display:inline-flex;align-items:center;justify-content:center;
  padding:13px 26px;border-radius:var(--r-pill);border:none;
  background:var(--lime);color:var(--ink-green);font-size:15px;font-weight:700;
  transition:transform var(--ease),filter var(--ease);
}
.btn-lime:hover{transform:translateY(-2px);filter:brightness(1.05);color:var(--ink-green)}
.dock-toggle{
  display:none;width:40px;height:40px;border-radius:50%;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--line);color:var(--ink-green);
}

/* ---------- 页头 ---------- */
.page-head{padding:136px 0 48px}
.crumb{display:flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.02em;color:var(--muted);margin-bottom:20px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand)}
.crumb .current{color:var(--ink-green);max-width:42ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:18px;
  padding:6px 14px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--brand-dark);
  background:var(--brand-soft);border:1px solid rgba(228,87,46,.24);
}
.page-head h1{max-width:900px}
.lead{margin-top:20px;font-size:18px;line-height:1.85;color:var(--muted);max-width:720px}

/* ---------- 通栏图 ---------- */
.banner{padding-bottom:8px}
.banner-figure{position:relative;margin:0;border-radius:var(--r-hero);overflow:hidden;box-shadow:var(--sh-1)}
.banner-figure img{width:100%;aspect-ratio:21/9;object-fit:cover}
.banner-figure::after{content:"";position:absolute;inset:0;background:rgba(15,61,50,.08);pointer-events:none}
.banner-cap{
  position:absolute;left:24px;bottom:20px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:var(--r-pill);
  background:rgba(15,61,50,.72);color:#fff;font-size:13px;letter-spacing:.02em;
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}

/* ---------- 指标 ---------- */
.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
}
.metric{background:var(--bg-alt);padding:28px 24px}
.metric b{display:block;font-size:clamp(28px,3vw,38px);font-weight:700;color:var(--ink-green);line-height:1.1;font-variant-numeric:tabular-nums}
.metric span{display:block;margin-top:8px;font-size:13px;color:var(--muted)}

/* ---------- 序号横排列表 ---------- */
.rows{border-top:1px solid var(--line)}
.row-item{
  display:grid;grid-template-columns:76px minmax(0,1fr) auto;gap:24px;align-items:start;
  padding:30px 0;border-bottom:1px solid var(--line);
  transition:background var(--ease);
}
.row-item:hover{background:rgba(255,255,255,.6)}
.row-num{
  font-size:32px;font-weight:700;line-height:1;color:rgba(228,87,46,.3);
  font-variant-numeric:tabular-nums;padding-top:4px;
}
.row-body h3{margin-bottom:8px}
.row-item:hover .row-body h3{color:var(--brand-dark)}
.row-body p{font-size:15px;line-height:1.85;color:var(--muted);max-width:640px}
.row-tag{
  align-self:center;white-space:nowrap;font-size:12px;font-weight:600;
  padding:6px 12px;border-radius:6px;color:var(--brand-dark);
  background:var(--brand-soft);border:1px solid rgba(228,87,46,.2);
  font-variant-numeric:tabular-nums;
}

/* ---------- 图文区 ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.split-figure{margin:0;position:relative;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.split-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s var(--ease)}
.split-figure:hover img{transform:scale(1.03)}
.split-body h2{margin-bottom:16px}
.split-body p{font-size:16px;color:var(--muted);margin-bottom:18px}
.check-list li{display:flex;gap:12px;padding:14px 0;border-bottom:1px dashed var(--line);font-size:15px;color:var(--ink)}
.check-list li:last-child{border-bottom:none}
.check-list svg{flex:0 0 auto;margin-top:6px;color:#1F7A5C}
.check-list strong{font-weight:600;color:var(--ink-green)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto}
.accordion-item{
  background:var(--card);border:1px solid var(--line);border-radius:16px;
  margin-bottom:12px;overflow:hidden;
}
.accordion-item:has(.accordion-button:not(.collapsed)){border-color:rgba(228,87,46,.65)}
.accordion-button{
  position:relative;width:100%;padding:20px 60px 20px 22px;
  font-size:16px;font-weight:600;color:var(--ink-green);background:var(--card);
  border:none;border-radius:16px;box-shadow:none;
}
.accordion-button:not(.collapsed){color:var(--brand-dark);background:var(--card);box-shadow:none}
.accordion-button:focus{box-shadow:0 0 0 3px rgba(228,87,46,.25);border-color:transparent;z-index:2}
.accordion-button::after{
  content:"";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  width:20px;height:20px;margin:0;background-image:none;background-color:var(--brand);
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' d='M5 12h14'/%3E%3C/svg%3E") center/20px no-repeat;
  mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' d='M5 12h14'/%3E%3C/svg%3E") center/20px no-repeat;
}
.accordion-button::before{
  content:"";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  width:20px;height:20px;background-color:var(--brand);z-index:2;pointer-events:none;
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' d='M12 5v14'/%3E%3C/svg%3E") center/20px no-repeat;
  mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' d='M12 5v14'/%3E%3C/svg%3E") center/20px no-repeat;
  transition:opacity .25s var(--ease);
}
.accordion-button:not(.collapsed)::before{opacity:0}
.accordion-body{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--muted)}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink-green);border-radius:var(--r-hero);padding:52px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;
  border:1px solid rgba(255,255,255,.12);color:#fff;
}
.cta-band h2{color:#fff;margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.72);font-size:16px;max-width:520px}
.cta-form{display:flex;gap:10px}
.cta-form input{
  flex:1 1 auto;min-width:0;height:48px;padding:0 18px;border-radius:var(--r-input);
  border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.08);color:#fff;
}
.cta-form input::placeholder{color:rgba(255,255,255,.55)}
.cta-form input:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(198,242,78,.28)}
.form-hint{margin-top:12px;font-size:12px;color:rgba(255,255,255,.6)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-green);color:#fff;padding:72px 0 28px;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;margin-bottom:16px}
.footer-brand .logo-mark{width:32px;height:32px;border-radius:10px}
.site-footer p{color:rgba(255,255,255,.72);font-size:14px;line-height:1.8;max-width:320px}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:rgba(255,255,255,.72);font-size:14px}
.footer-links a:hover{color:#fff}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,255,255,.6);letter-spacing:.02em;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .split{gap:40px}
}
@media (max-width:991px){
  .dock{height:56px;border-radius:20px;padding:8px 10px}
  .dock-nav{
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;border:1px solid var(--line);border-radius:20px;
    padding:10px;max-height:70vh;overflow:auto;box-shadow:var(--sh-2);
    display:none;
  }
  .dock-nav.is-open{display:flex}
  .dock-nav a{height:44px;width:100%;justify-content:flex-start;border-radius:12px;padding:0 14px;font-size:15px}
  .dock-nav a.is-active{border-left:3px solid var(--brand);border-radius:0 12px 12px 0}
  .dock-toggle{display:inline-flex}
  .page-head{padding:112px 0 40px}
  .split{grid-template-columns:1fr;gap:32px}
  .split-figure{order:2}
  .banner-figure img{aspect-ratio:16/9}
  .cta-band{grid-template-columns:1fr;padding:40px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  body{font-size:16px;line-height:1.85}
  .container{padding-left:18px;padding-right:18px}
  .section{padding:56px 0}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .row-item{grid-template-columns:1fr;gap:12px;padding:24px 0}
  .row-num{font-size:26px;padding-top:0}
  .row-tag{justify-self:start;align-self:start}
  .cta-form{flex-direction:column}
  .cta-form input{width:100%}
  .btn-lime{width:100%}
  .site-footer{padding:56px 0 24px;margin-top:56px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px}
  .banner-figure img{aspect-ratio:3/2}
  .banner-cap{left:14px;bottom:14px;font-size:12px;padding:6px 12px}
}
@media (max-width:575px){
  .logo-text{font-size:14.5px}
  .dock-cta{display:none}
  .cta-band{padding:28px 22px;border-radius:18px}
  .split-figure img{aspect-ratio:16/10}
}

/* roulang page: category3 */
:root{
  --brand:#E4572E;
  --brand-dark:#C6481F;
  --brand-soft:#FDEBE4;
  --ink:#0F3D32;
  --ink-soft:rgba(15,61,50,.72);
  --lime:#C6F24E;
  --bg:#F6F3EE;
  --card:#FFFFFF;
  --alt:#EFEBE3;
  --border:#E3DED4;
  --text:#1E1E1C;
  --muted:#6B6A63;
  --r-card:18px;
  --r-img:14px;
  --r-hero:24px;
  --shadow-1:0 1px 2px rgba(15,61,50,.06),0 8px 24px -12px rgba(15,61,50,.18);
  --shadow-2:0 12px 32px -10px rgba(15,61,50,.24);
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-primary:#E4572E;
  --bs-primary-rgb:228,87,46;
  --bs-body-color:#1E1E1C;
  --bs-body-bg:#F6F3EE;
  --bs-border-radius:14px;
  --bs-font-sans-serif:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --bs-link-color:#E4572E;
  --bs-link-hover-color:#C6481F;
  --bs-gutter-x:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
[id]{scroll-margin-top:96px;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--bs-font-sans-serif);
  font-size:17px;
  line-height:1.9;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .25s var(--ease);}
a:hover{color:var(--brand-dark);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.tnum{font-variant-numeric:tabular-nums;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

.container{max-width:1200px;padding-left:24px;padding-right:24px;}
@media (min-width:1200px){.container{max-width:1200px;}}

/* ============ Dock 导航 ============ */
.dock{
  position:fixed;top:20px;left:50%;transform:translateX(-50%);
  width:calc(100% - 40px);max-width:1080px;height:64px;
  padding:8px 12px;border-radius:999px;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  backdrop-filter:saturate(180%) blur(12px);
  border:1px solid rgba(15,61,50,.08);
  box-shadow:var(--shadow-1);
  display:flex;align-items:center;gap:12px;
  z-index:1030;
  transition:height .3s var(--ease),background .3s var(--ease),box-shadow .3s var(--ease);
}
.dock.is-scrolled{height:56px;background:rgba(255,255,255,.94);box-shadow:var(--shadow-2);}
.dock-logo{display:flex;align-items:center;gap:9px;flex-shrink:0;color:var(--ink);}
.dock-logo:hover{color:var(--ink);}
.logo-mark{
  width:34px;height:34px;border-radius:11px;flex-shrink:0;
  background:var(--brand);display:inline-flex;align-items:center;justify-content:center;
}
.logo-text{font-size:16px;font-weight:700;letter-spacing:.01em;white-space:nowrap;}
.dock-nav{display:flex;align-items:center;gap:2px;margin-left:6px;flex:1 1 auto;}
.dock-nav li a{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:500;color:var(--ink);
  padding:8px 12px;border-radius:999px;white-space:nowrap;
  transition:background .25s var(--ease),color .25s var(--ease);
}
.dock-nav li a:hover{background:rgba(228,87,46,.06);color:var(--ink);}
.dock-nav li a.is-active{color:var(--brand);font-weight:600;}
.dock-nav li a.is-active::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);flex-shrink:0;
}
.dock-actions{display:flex;align-items:center;gap:8px;margin-left:auto;flex-shrink:0;}
.icon-btn{
  width:36px;height:36px;border-radius:999px;border:1px solid var(--border);
  background:#fff;color:var(--ink);display:inline-flex;align-items:center;justify-content:center;
  transition:border-color .25s var(--ease),color .25s var(--ease),transform .25s var(--ease);
}
.icon-btn:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand);color:#fff;border:none;border-radius:999px;
  padding:10px 22px;font-size:15px;font-weight:600;
  transition:background .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease);
}
.btn-brand:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-brand:active{transform:translateY(0);}
.btn-brand:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(228,87,46,.3);}
.dock-cta{padding:9px 20px;}
.dock-toggle{
  display:none;width:36px;height:36px;border-radius:999px;border:1px solid var(--border);
  background:#fff;color:var(--ink);align-items:center;justify-content:center;
}
.dock-toggle:hover{border-color:var(--brand);color:var(--brand);}

/* ============ 页头 ============ */
.page-head{padding:152px 0 44px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.02em;color:var(--muted);margin-bottom:20px;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#C9C3B6;}
.crumb .current{color:var(--ink);max-width:60vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.06em;color:var(--brand);
  background:rgba(228,87,46,.06);border:1px solid rgba(228,87,46,.22);
  border-radius:999px;padding:6px 14px;margin-bottom:20px;
}
.eyebrow .dot-lime{width:6px;height:6px;border-radius:50%;background:var(--lime);}
.page-head h1{
  font-size:clamp(32px,4.4vw,52px);line-height:1.2;font-weight:700;
  max-width:900px;letter-spacing:-.02em;
}
.page-head h1 .hl{
  background:linear-gradient(transparent 62%,rgba(198,242,78,.55) 62%);
  padding:0 2px;
}
.lead-text{margin-top:18px;max-width:720px;font-size:17px;color:var(--muted);line-height:1.85;}
.head-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.chip{
  display:inline-flex;align-items:center;
  font-size:12px;font-weight:600;letter-spacing:.02em;
  color:var(--brand);background:var(--brand-soft);
  border-radius:6px;padding:5px 10px;
}
.chip-plain{color:var(--ink);background:var(--alt);}

/* ============ 通栏图 ============ */
.banner-wrap{padding-bottom:8px;}
.banner{
  position:relative;border-radius:20px;overflow:hidden;
  box-shadow:var(--shadow-1);
  background:var(--ink);
}
.banner img{width:100%;aspect-ratio:21/9;object-fit:cover;}
.banner::after{
  content:"";position:absolute;inset:0;background:rgba(15,61,50,.32);
}
.banner-caption{
  position:absolute;left:0;right:0;bottom:0;padding:26px 28px;
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;
  color:#fff;z-index:2;
}
.banner-caption h2{color:#fff;font-size:clamp(18px,2vw,24px);line-height:1.4;}
.banner-caption p{color:rgba(255,255,255,.78);font-size:14px;max-width:560px;margin-top:6px;}
.banner-caption .count{font-size:32px;font-weight:700;color:var(--lime);line-height:1;}

/* ============ 板块通用 ============ */
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-alt{background:var(--alt);}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:40px;}
.section-head h2{
  font-size:clamp(24px,2.6vw,34px);line-height:1.3;position:relative;padding-left:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--brand);
}
.section-head .sub{margin-top:10px;padding-left:16px;font-size:15px;color:var(--muted);max-width:640px;}
.link-more{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.link-more:hover{text-decoration:underline;text-underline-offset:3px;}

/* ============ 筛选 chip 行 ============ */
.filter-bar{
  display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px;
  padding:14px 16px;background:#fff;border:1px solid var(--border);border-radius:14px;
  box-shadow:var(--shadow-1);
}
.filter-chip{
  border:1px solid var(--border);background:#fff;color:var(--muted);
  font-size:13.5px;font-weight:500;border-radius:999px;padding:7px 16px;
  cursor:pointer;transition:all .25s var(--ease);
}
.filter-chip:hover{border-color:var(--brand);color:var(--brand);}
.filter-chip.is-active{background:var(--ink);border-color:var(--ink);color:#fff;font-weight:600;}

/* ============ 卡片 ============ */
.guide-card{
  height:100%;background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.guide-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(228,87,46,.3);}
.guide-card .card-link{display:flex;flex-direction:column;height:100%;color:inherit;}
.guide-card .card-link:hover{color:inherit;}
.card-media{overflow:hidden;background:var(--alt);}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s var(--ease);}
.guide-card:hover .card-media img{transform:scale(1.03);}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.card-title{font-size:17.5px;line-height:1.45;margin:12px 0 10px;font-weight:600;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.guide-card:hover .card-title{color:var(--brand);}
.card-text{font-size:14px;line-height:1.75;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.card-meta{
  display:flex;align-items:center;gap:8px;margin-top:auto;padding-top:16px;
  font-size:12.5px;letter-spacing:.02em;color:var(--muted);font-variant-numeric:tabular-nums;
}
.card-meta .arrow{margin-left:auto;color:var(--brand);display:inline-flex;transition:transform .25s var(--ease);}
.guide-card:hover .card-meta .arrow{transform:translateX(4px);}

/* ============ 步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);}
.step{padding:30px 26px;border-right:1px solid var(--border);position:relative;}
.step:last-child{border-right:none;}
.step .num{font-size:40px;font-weight:700;line-height:1;color:rgba(228,87,46,.22);font-variant-numeric:tabular-nums;}
.step h3{font-size:17px;margin:14px 0 8px;}
.step p{font-size:14px;color:var(--muted);line-height:1.75;}

/* ============ 深色提示带 ============ */
.panel-dark{
  background:var(--ink);border-radius:var(--r-hero);padding:52px 48px;color:#fff;
  border:1px solid rgba(255,255,255,.12);
  position:relative;overflow:hidden;
}
.panel-dark::after{
  content:"";position:absolute;right:-90px;top:-90px;width:340px;height:340px;border-radius:50%;
  border:1px solid rgba(198,242,78,.22);
}
.panel-dark::before{
  content:"";position:absolute;right:-30px;top:-30px;width:200px;height:200px;border-radius:50%;
  border:1px solid rgba(198,242,78,.14);
}
.panel-dark h2{color:#fff;font-size:clamp(22px,2.2vw,30px);line-height:1.35;max-width:640px;}
.panel-dark p{color:rgba(255,255,255,.72);font-size:15.5px;margin-top:14px;max-width:640px;}
.panel-points{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:34px;position:relative;z-index:2;}
.point{display:flex;gap:12px;align-items:flex-start;}
.point .ico{
  width:40px;height:40px;border-radius:12px;flex-shrink:0;background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);display:inline-flex;align-items:center;justify-content:center;color:var(--lime);
}
.point h3{color:#fff;font-size:15.5px;margin-bottom:4px;}
.point p{color:rgba(255,255,255,.66);font-size:13.5px;margin:0;line-height:1.7;}

/* ============ 指标条 ============ */
.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);overflow:hidden;
}
.metric{padding:28px 24px;border-right:1px solid var(--border);text-align:left;}
.metric:last-child{border-right:none;}
.metric .val{font-size:34px;font-weight:700;color:var(--ink);line-height:1;font-variant-numeric:tabular-nums;}
.metric .val em{font-style:normal;font-size:15px;color:var(--brand);margin-left:4px;font-weight:600;}
.metric .lab{font-size:13px;color:var(--muted);margin-top:10px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto;}
.accordion{--bs-accordion-border-color:var(--border);--bs-accordion-border-width:1px;--bs-accordion-border-radius:14px;
  --bs-accordion-inner-border-radius:14px;--bs-accordion-btn-focus-box-shadow:0 0 0 3px rgba(228,87,46,.25);
  --bs-accordion-active-color:var(--ink);--bs-accordion-active-bg:#fff;--bs-accordion-btn-color:var(--ink);--bs-accordion-bg:#fff;}
.accordion-item{border-radius:14px !important;margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow-1);
  transition:border-color .25s var(--ease);}
.accordion-item:has(.accordion-button:not(.collapsed)){border-color:var(--brand);border-width:1.5px;}
.accordion-button{
  position:relative;font-size:16px;font-weight:600;color:var(--ink);
  padding:20px 56px 20px 22px;background:#fff;line-height:1.5;
}
.accordion-button:not(.collapsed){color:var(--brand);box-shadow:none;background:#fff;}
.accordion-button::after{
  content:"";position:absolute;right:24px;top:50%;width:13px;height:2px;border-radius:2px;
  background:var(--brand);margin:0;transform:translateY(-50%);background-image:none;
  transition:transform .3s var(--ease);
}
.accordion-button::before{
  content:"";position:absolute;right:24px;top:50%;width:13px;height:2px;border-radius:2px;
  background:var(--brand);transform:translateY(-50%) rotate(90deg);
  transition:transform .3s var(--ease),opacity .3s var(--ease);z-index:1;
}
.accordion-button:not(.collapsed)::before{opacity:0;transform:translateY(-50%) rotate(0deg);}
.accordion-body{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--muted);}

/* ============ CTA ============ */
.cta-block{
  background:var(--ink);border-radius:var(--r-hero);padding:56px 48px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center;
  border:1px solid rgba(255,255,255,.12);
}
.cta-block h2{color:#fff;font-size:clamp(24px,2.5vw,32px);line-height:1.32;}
.cta-block p{color:rgba(255,255,255,.72);font-size:15.5px;margin-top:14px;}
.subscribe-form{display:flex;gap:10px;}
.subscribe-form input{
  flex:1 1 auto;min-width:0;height:48px;border-radius:999px;border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.08);color:#fff;padding:0 18px;font-size:15px;font-family:inherit;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.subscribe-form input::placeholder{color:rgba(255,255,255,.5);}
.subscribe-form input:focus{outline:none;border-color:rgba(198,242,78,.7);box-shadow:0 0 0 3px rgba(198,242,78,.22);}
.btn-lime{
  height:48px;padding:0 26px;border-radius:999px;border:none;flex-shrink:0;
  background:var(--lime);color:var(--ink);font-weight:700;font-size:15px;
  display:inline-flex;align-items:center;justify-content:center;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease);
}
.btn-lime:hover{transform:translateY(-2px);box-shadow:0 12px 32px -10px rgba(198,242,78,.5);background:#d2fa63;}
.btn-lime:active{transform:translateY(0);}
.btn-lime:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(198,242,78,.35);}
.form-hint{font-size:12px;color:rgba(255,255,255,.5);margin-top:12px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:72px 0 28px;margin-top:96px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:16px;font-weight:700;margin-bottom:14px;}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);max-width:280px;}
.footer-title{color:#fff;font-size:14.5px;font-weight:600;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-links a:hover{color:#fff;}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12.5px;letter-spacing:.02em;color:rgba(255,255,255,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .steps{grid-template-columns:repeat(2,1fr);}
  .step:nth-child(2){border-right:none;}
  .step:nth-child(1),.step:nth-child(2){border-bottom:1px solid var(--border);}
}
@media (max-width:991.98px){
  body{font-size:16px;}
  .dock{top:12px;left:12px;right:12px;transform:none;width:auto;max-width:none;height:56px;}
  .dock.is-scrolled{height:56px;}
  .dock-nav{
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;margin:0;
    background:#fff;border:1px solid var(--border);border-radius:20px;
    padding:10px;box-shadow:var(--shadow-2);
    max-height:70vh;overflow:auto;display:none;
  }
  .dock.is-open .dock-nav{display:flex;}
  .dock-nav li a{height:44px;width:100%;justify-content:flex-start;border-radius:12px;padding:0 14px;font-size:15px;}
  .dock-nav li a.is-active{border-left:3px solid var(--brand);border-radius:8px;background:rgba(228,87,46,.06);}
  .dock-nav li a.is-active::before{display:none;}
  .dock-toggle{display:inline-flex;}
  .dock-cta{display:none;}
  .page-head{padding:118px 0 34px;}
  .section{padding:72px 0;}
  .section-tight{padding:56px 0;}
  .panel-dark{padding:40px 28px;}
  .panel-points{grid-template-columns:1fr;gap:18px;}
  .cta-block{grid-template-columns:1fr;gap:28px;padding:42px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .banner img{aspect-ratio:16/9;}
}
@media (max-width:767.98px){
  .container{padding-left:18px;padding-right:18px;}
  .filter-bar{padding:12px;gap:8px;}
  .metrics{grid-template-columns:1fr 1fr;}
  .metric:nth-child(2){border-right:none;}
  .metric:nth-child(1),.metric:nth-child(2){border-bottom:1px solid var(--border);}
  .subscribe-form{flex-direction:column;}
  .subscribe-form input,.btn-lime{width:100%;}
  .banner-caption{padding:18px;}
  .banner-caption .count{font-size:24px;}
}
@media (max-width:575.98px){
  .logo-text{font-size:15px;}
  .steps{grid-template-columns:1fr;}
  .step{border-right:none;border-bottom:1px solid var(--border);padding:24px 20px;}
  .step:last-child{border-bottom:none;}
  .metrics{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:28px;}
  .panel-dark{padding:32px 22px;border-radius:18px;}
  .cta-block{padding:32px 22px;border-radius:18px;}
  .banner img{aspect-ratio:4/3;}
}