/* roulang page: index */
:root{
  --green:#0B6E5A;
  --green-dark:#095A4A;
  --green-soft:#E6F0EC;
  --orange:#FF6A2B;
  --lime:#CBE86B;
  --ink:#14201C;
  --ink-2:#1E2E28;
  --text:#4A5751;
  --muted:#7B8680;
  --line:#E4E1D8;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --radius-card:14px;
  --radius-img:12px;
  --radius-input:8px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(20,32,28,.05);
  --shadow-2:0 8px 24px rgba(20,32,28,.08);
  --t:180ms ease-out;
  --container:1200px;
  --sp-1:8px;
  --sp-2:12px;
  --sp-3:16px;
  --sp-4:24px;
  --sp-5:32px;
  --sp-6:48px;
  --sp-7:72px;
  --sp-8:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",Inter,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  color:var(--ink);
  margin:0;
  font-weight:650;
  letter-spacing:-0.02em;
  line-height:1.25;
}
h1{font-size:clamp(30px,4.6vw,52px);font-weight:700;line-height:1.18;}
h2{font-size:clamp(24px,3vw,34px);}
h3{font-size:20px;font-weight:600;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;height:auto;}
button,input,textarea,select{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--green);outline-offset:2px;border-radius:4px;}
::selection{background:var(--green-soft);}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--bg);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:var(--sp-4);
  height:72px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  font-weight:700;
  color:var(--ink);
  letter-spacing:-0.01em;
}
.logo svg{flex:0 0 auto;color:var(--green);}
.logo-text{font-size:17px;white-space:nowrap;}
.main-nav{
  display:flex;
  align-items:center;
  gap:32px;
  margin-left:auto;
}
.main-nav a{
  position:relative;
  font-size:14.5px;
  letter-spacing:0.02em;
  color:var(--text);
  padding:6px 0;
  transition:color var(--t);
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.main-nav a::before{
  content:"";
  width:4px;
  height:4px;
  border-radius:50%;
  background:var(--green);
  opacity:0;
  transition:opacity var(--t);
}
.main-nav a:hover{color:var(--green);}
.main-nav a:hover::before{opacity:1;}
.main-nav a.is-active{color:var(--ink);font-weight:650;}
.main-nav a.is-active::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-2px;
  height:2px;
  background:var(--green);
}
.nav-actions{
  display:flex;
  align-items:center;
  gap:var(--sp-4);
  padding-left:var(--sp-4);
  border-left:1px solid var(--line);
}
.nav-cta{
  font-size:14.5px;
  color:var(--green);
  font-weight:600;
  display:inline-flex;
  align-items:center;
  gap:6px;
  transition:color var(--t);
}
.nav-cta:hover{color:var(--green-dark);}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  margin-left:auto;
  align-items:center;
  justify-content:center;
}
.nav-toggle span{
  display:block;
  width:20px;
  height:1.5px;
  background:var(--ink);
  position:relative;
  transition:transform var(--t);
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:20px;
  height:1.5px;
  background:var(--ink);
  transition:transform var(--t);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.is-drawer-open .nav-toggle span{transform:rotate(45deg);}
.is-drawer-open .nav-toggle span::before{transform:translateY(6px) rotate(-90deg);}
.is-drawer-open .nav-toggle span::after{transform:translateY(-6px) rotate(-90deg);}

.drawer{
  position:fixed;
  top:0;
  right:0;
  bottom:0;
  width:min(320px,86vw);
  background:var(--card);
  border-left:1px solid var(--line);
  transform:translateX(102%);
  transition:transform 220ms ease-out;
  z-index:70;
  padding:84px 0 24px;
  display:flex;
  flex-direction:column;
  overflow-y:auto;
  box-shadow:var(--shadow-2);
}
.is-drawer-open .drawer{transform:translateX(0);}
.drawer a.drawer-link{
  display:flex;
  align-items:center;
  height:56px;
  padding:0 24px;
  font-size:16px;
  color:var(--ink);
  border-bottom:1px solid var(--line);
  transition:background var(--t),color var(--t);
}
.drawer a.drawer-link:hover,
.drawer a.drawer-link.is-active{background:var(--green-soft);color:var(--green-dark);}
.drawer-foot{padding:24px;}
.drawer-scrim{
  position:fixed;
  inset:0;
  background:rgba(20,32,28,.28);
  opacity:0;
  pointer-events:none;
  transition:opacity 200ms ease-out;
  z-index:65;
}
.is-drawer-open .drawer-scrim{opacity:1;pointer-events:auto;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--radius-pill);
  font-size:15px;
  font-weight:600;
  letter-spacing:0.01em;
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
  white-space:nowrap;
}
.btn-primary{
  background:var(--green);
  color:#fff;
  box-shadow:var(--shadow-1);
}
.btn-primary:hover{background:var(--green-dark);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-outline{
  border:1px solid var(--green);
  color:var(--green);
  background:transparent;
}
.btn-outline:hover{background:var(--green-soft);}
.btn-block{width:100%;}
.btn:disabled,
.btn[aria-disabled="true"]{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none;}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14.5px;
  font-weight:600;
  color:var(--green);
  position:relative;
  padding-bottom:2px;
  transition:color var(--t);
}
.link-arrow::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:20px;
  height:1px;
  background:var(--green);
  transition:width var(--t);
}
.link-arrow:hover::after{width:100%;}
.link-arrow:hover{color:var(--green-dark);}

/* ---------- hero ---------- */
.hero{
  padding:var(--sp-8) 0 80px;
  background:
    linear-gradient(to bottom, rgba(247,245,240,.96), rgba(247,245,240,1)),
    repeating-linear-gradient(0deg, rgba(20,32,28,.035) 0 1px, transparent 1px 24px),
    repeating-linear-gradient(90deg, rgba(20,32,28,.035) 0 1px, transparent 1px 24px);
}
.hero-grid{
  display:grid;
  grid-template-columns:1.02fr .98fr;
  gap:var(--sp-7);
  align-items:center;
}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  letter-spacing:0.08em;
  color:var(--green);
  font-weight:600;
  margin-bottom:var(--sp-4);
}
.hero-eyebrow::before{
  content:"";
  width:24px;
  height:1px;
  background:var(--green);
}
.hero-sub{
  margin-top:var(--sp-4);
  font-size:17px;
  color:var(--text);
  max-width:520px;
}
.hero-actions{
  display:flex;
  align-items:center;
  gap:var(--sp-5);
  flex-wrap:wrap;
  margin-top:var(--sp-5);
}
.hero-marks{
  display:flex;
  flex-wrap:wrap;
  gap:var(--sp-3) var(--sp-5);
  margin-top:var(--sp-6);
  padding-top:var(--sp-4);
  border-top:1px solid var(--line);
}
.hero-marks li{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--muted);
}
.hero-marks svg{color:var(--green);flex:0 0 auto;}
.hero-media{position:relative;}
.hero-media img{
  width:100%;
  border-radius:var(--radius-img);
  object-fit:cover;
  aspect-ratio:4/3;
  background:var(--green-soft);
}
.hero-card{
  position:absolute;
  left:-28px;
  bottom:-28px;
  width:min(300px,84%);
  background:var(--card);
  border-radius:var(--radius-card);
  padding:22px 24px;
  box-shadow:var(--shadow-2);
}
.hero-card h3{
  font-size:14px;
  letter-spacing:0.04em;
  color:var(--muted);
  font-weight:600;
  margin-bottom:14px;
}
.steps li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:10px 0;
  border-top:1px solid var(--line);
  font-size:14px;
  color:var(--text);
}
.steps li:first-child{border-top:0;}
.steps .num{
  flex:0 0 auto;
  width:22px;
  height:22px;
  border-radius:50%;
  background:var(--green-soft);
  color:var(--green-dark);
  font-size:12.5px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:center;
  margin-top:3px;
}

/* ---------- trust bar ---------- */
.trust-bar{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:var(--card);
}
.trust-bar ul{
  display:grid;
  grid-template-columns:repeat(4,1fr);
}
.trust-bar li{
  padding:24px 24px 24px 0;
  font-size:14.5px;
  color:var(--text);
  border-right:1px solid var(--line);
  display:flex;
  align-items:center;
  gap:10px;
}
.trust-bar li:last-child{border-right:0;}
.trust-bar li:not(:first-child){padding-left:24px;}
.trust-bar svg{color:var(--green);flex:0 0 auto;}

/* ---------- section basics ---------- */
.section{padding:var(--sp-8) 0;}
.section-head{
  max-width:760px;
  margin-bottom:var(--sp-6);
}
.section-head .kicker{
  display:block;
  font-size:13px;
  letter-spacing:0.1em;
  color:var(--green);
  font-weight:600;
  margin-bottom:14px;
}
.section-head p{margin-top:16px;font-size:16.5px;}
.section-head--split{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:var(--sp-4);
  max-width:none;
}

/* ---------- pain points ---------- */
.pain-list{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  column-gap:var(--sp-7);
}
.pain-item{
  display:flex;
  gap:var(--sp-4);
  padding:26px 0;
  border-top:1px solid var(--line);
}
.pain-item .idx{
  font-size:13px;
  font-weight:600;
  color:var(--muted);
  letter-spacing:0.08em;
  padding-top:4px;
}
.pain-item h3{
  font-size:17px;
  margin-bottom:6px;
}
.pain-item p{font-size:14.5px;color:var(--text);}

/* ---------- solution ---------- */
.solution-row{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:var(--sp-7);
  align-items:center;
  padding:var(--sp-6) 0;
  border-top:1px solid var(--line);
}
.solution-row:first-of-type{border-top:0;padding-top:0;}
.solution-row.is-reverse .solution-media{order:2;}
.solution-row.is-reverse .solution-text{order:1;}
.solution-media img{
  width:100%;
  border-radius:var(--radius-img);
  aspect-ratio:16/11;
  object-fit:cover;
  background:var(--green-soft);
}
.solution-text .step-no{
  font-size:13px;
  letter-spacing:0.1em;
  color:var(--green);
  font-weight:600;
}
.solution-text h3{
  font-size:22px;
  margin:10px 0 14px;
}
.solution-text p{font-size:16px;margin-bottom:12px;}
.solution-text .link-arrow{margin-top:8px;}

/* ---------- stats ---------- */
.stats{
  background:var(--ink);
  color:rgba(255,255,255,.85);
  padding:var(--sp-8) 0;
}
.stats .section-head .kicker{color:var(--lime);}
.stats .section-head h2{color:#fff;}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:var(--sp-6);
}
.stat-item .num{
  font-size:clamp(34px,5vw,60px);
  font-weight:700;
  line-height:1.1;
  color:#fff;
  font-variant-numeric:tabular-nums;
  letter-spacing:-0.02em;
}
.stat-item .num em{
  font-style:normal;
  font-size:18px;
  color:var(--lime);
  margin-left:6px;
  font-weight:600;
}
.stat-item .bar{
  width:12px;
  height:2px;
  background:var(--green);
  margin:16px 0 14px;
}
.stat-item p{font-size:14px;color:rgba(255,255,255,.72);}

/* ---------- testimonials ---------- */
.quote-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:var(--sp-5);
}
.quote{
  padding-left:22px;
  border-left:2px solid var(--green);
}
.quote .mark{
  font-family:Georgia,"Times New Roman",serif;
  font-size:38px;
  line-height:1;
  color:var(--green-soft);
  display:block;
  margin-bottom:8px;
}
.quote p{font-size:15px;color:var(--text);}
.quote .who{
  display:flex;
  align-items:center;
  gap:12px;
  margin-top:18px;
}
.quote .avatar{
  width:40px;
  height:40px;
  border-radius:50%;
  background:var(--green-soft);
  color:var(--green-dark);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:15px;
  font-weight:700;
  flex:0 0 auto;
}
.quote .who span{font-size:13.5px;color:var(--muted);}

/* ---------- cms list ---------- */
.cms-list{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:var(--sp-4);
}
.cms-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
  overflow:hidden;
}
.cms-item:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-2);
  border-color:transparent;
}
.cms-item--lead{grid-column:span 2;}
.cms-link{
  display:block;
  height:100%;
  padding:26px 26px 22px;
}
.cms-cat{
  display:inline-block;
  font-size:12.5px;
  color:var(--green-dark);
  background:var(--green-soft);
  border-radius:var(--radius-pill);
  padding:3px 12px;
  margin-bottom:14px;
}
.cms-title{
  font-size:19px;
  line-height:1.45;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.cms-summary{
  margin-top:12px;
  font-size:14.5px;
  color:var(--text);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.cms-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:20px;
  padding-top:16px;
  border-top:1px solid var(--line);
  font-size:12.5px;
  color:var(--muted);
}
.cms-more{color:var(--green);font-weight:600;}
.cms-empty{
  border:1px dashed var(--line);
  border-radius:var(--radius-card);
  background:var(--card);
  padding:56px 24px;
  text-align:center;
  color:var(--muted);
}
.cms-empty svg{color:var(--green);margin:0 auto 14px;}
.cms-empty p{font-size:14.5px;}

/* ---------- faq ---------- */
.faq-list{border-top:1px solid var(--line);}
.faq-list details{border-bottom:1px solid var(--line);}
.faq-list summary{
  list-style:none;
  cursor:pointer;
  min-height:60px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:var(--sp-4);
  padding:16px 0;
  font-size:16.5px;
  font-weight:600;
  color:var(--ink);
  transition:color var(--t);
}
.faq-list summary::-webkit-details-marker{display:none;}
.faq-list summary:hover{color:var(--green);}
.faq-list summary .sign{
  flex:0 0 auto;
  width:22px;
  height:22px;
  position:relative;
  color:var(--muted);
  transition:color var(--t);
}
.faq-list summary .sign::before,
.faq-list summary .sign::after{
  content:"";
  position:absolute;
  left:50%;
  top:50%;
  width:12px;
  height:1.5px;
  background:currentColor;
  transform:translate(-50%,-50%);
  transition:transform var(--t),opacity var(--t);
}
.faq-list summary .sign::after{transform:translate(-50%,-50%) rotate(90deg);}
.faq-list details[open] summary,
.faq-list summary:hover{color:var(--green);}
.faq-list details[open] summary .sign{color:var(--orange);}
.faq-list details[open] summary .sign::after{opacity:0;}
.faq-answer{
  max-width:820px;
  padding:0 0 24px;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
}

/* ---------- cta form ---------- */
.cta{
  position:relative;
  padding:var(--sp-8) 0;
  background:
    linear-gradient(rgba(247,245,240,.94), rgba(247,245,240,.97)),
    url(/assets/images/backpic/back-2.png) center/cover no-repeat;
  border-top:1px solid var(--line);
}
.cta-grid{
  display:grid;
  grid-template-columns:1fr 420px;
  gap:var(--sp-7);
  align-items:start;
}
.cta-text h2{margin-bottom:16px;}
.cta-text p{max-width:560px;font-size:16px;}
.cta-points{
  margin-top:var(--sp-5);
  display:grid;
  gap:12px;
}
.cta-points li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14.5px;
  color:var(--text);
}
.cta-points svg{color:var(--green);flex:0 0 auto;margin-top:4px;}
.form-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:28px;
  box-shadow:var(--shadow-1);
}
.field{margin-bottom:18px;}
.field label{
  display:block;
  font-size:13px;
  color:var(--muted);
  margin-bottom:8px;
}
.field input{
  width:100%;
  height:48px;
  padding:0 14px;
  border:1px solid var(--line);
  border-radius:var(--radius-input);
  background:var(--bg);
  font-size:15px;
  transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.field input::placeholder{color:var(--muted);}
.field input:hover{border-color:#D3CFC3;}
.field input:focus{
  outline:none;
  background:#fff;
  border-color:var(--green);
  box-shadow:0 0 0 2px rgba(11,110,90,.18);
}
.field.has-error input{border-color:#D9482B;}
.field .err{
  display:none;
  font-size:13px;
  color:#D9482B;
  margin-top:6px;
}
.field.has-error .err{display:block;}
.form-note{
  margin-top:14px;
  font-size:13px;
  color:var(--muted);
}
.form-note.is-ok{color:var(--green-dark);font-weight:600;}

/* ---------- footer ---------- */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.85);
  padding:var(--sp-7) 0 0;
  border-top:1px solid rgba(255,255,255,.12);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:var(--sp-6);
  padding-bottom:var(--sp-6);
}
.site-footer h3{
  color:#fff;
  font-size:15px;
  letter-spacing:0.04em;
  margin-bottom:18px;
  font-weight:600;
}
.site-footer p{font-size:14px;color:rgba(255,255,255,.7);}
.site-footer li{margin-bottom:12px;}
.site-footer a{
  font-size:14px;
  color:rgba(255,255,255,.85);
  transition:color var(--t);
}
.site-footer a:hover{color:var(--lime);}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-weight:700;
  font-size:17px;
  margin-bottom:16px;
}
.footer-brand svg{color:var(--lime);}
.qr-box{
  width:96px;
  height:96px;
  border:1px solid rgba(255,255,255,.18);
  border-radius:10px;
  background:rgba(255,255,255,.04);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:12px;
  color:rgba(255,255,255,.6);
  text-align:center;
  line-height:1.5;
  margin-top:16px;
  padding:8px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:18px 0;
  text-align:center;
  font-size:12.5px;
  color:rgba(255,255,255,.6);
}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 420ms ease-out,transform 420ms ease-out;}
.reveal.is-visible{opacity:1;transform:none;}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .hero{padding:72px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:var(--sp-6);}
  .hero-card{position:static;width:100%;margin-top:var(--sp-4);left:auto;bottom:auto;}
  .section{padding:72px 0;}
  .trust-bar ul{grid-template-columns:repeat(2,1fr);}
  .trust-bar li{border-right:0;border-bottom:1px solid var(--line);padding-left:0;}
  .trust-bar li:not(:first-child){padding-left:0;}
  .trust-bar li:nth-child(odd){border-right:1px solid var(--line);padding-right:24px;}
  .trust-bar li:nth-last-child(-n+2){border-bottom:0;}
  .solution-row{grid-template-columns:1fr;gap:var(--sp-5);}
  .solution-row.is-reverse .solution-media{order:0;}
  .solution-row.is-reverse .solution-text{order:0;}
  .quote-grid{grid-template-columns:1fr 1fr;}
  .cms-list{grid-template-columns:1fr 1fr;}
  .cms-item--lead{grid-column:span 2;}
  .cta-grid{grid-template-columns:1fr;}
  .cta-grid .form-card{max-width:520px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:var(--sp-5);}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:768px){
  .main-nav,.nav-actions{display:none;}
  .nav-toggle{display:inline-flex;}
  .pain-list{grid-template-columns:1fr;column-gap:0;}
  .quote-grid{grid-template-columns:1fr;}
  .cms-list{grid-template-columns:1fr;}
  .cms-item--lead{grid-column:span 1;}
  .section-head--split{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  .hero{padding:48px 0 48px;}
  .hero-sub{font-size:16px;}
  .section{padding:48px 0;}
  .stats{padding:48px 0;}
  .cta{padding:48px 0;}
  .stats-grid{grid-template-columns:1fr;gap:var(--sp-5);}
  .trust-bar ul{grid-template-columns:1fr;}
  .trust-bar li{border-right:0!important;border-bottom:1px solid var(--line);padding:18px 0;}
  .trust-bar li:last-child{border-bottom:0;}
  .footer-grid{grid-template-columns:1fr;}
  .hero-actions{gap:var(--sp-4);}
  .btn{height:44px;padding:0 20px;}
  .cms-link{padding:22px 20px 18px;}
  .form-card{padding:22px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: article */
:root{
  --brand:#0B6E5A;
  --brand-dark:#095A4A;
  --brand-soft:#E6F0EC;
  --accent:#FF6A2B;
  --lime:#CBE86B;
  --ink:#14201C;
  --ink-2:#1E2E28;
  --text:#4A5751;
  --muted:#7B8680;
  --line:#E4E1D8;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --radius-card:14px;
  --radius-img:12px;
  --radius-ctl:8px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(20,32,28,.05);
  --shadow-2:0 8px 24px rgba(20,32,28,.08);
  --dur:180ms;
  --ease:ease-out;
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font);font-size:16px;line-height:1.8;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:650;line-height:1.3;letter-spacing:-0.02em}
p{margin:0}
ul,ol{margin:0;padding:0}
img{max-width:100%;display:block;border-radius:var(--radius-img);background:var(--bg)}
a{color:var(--brand);text-decoration:none;transition:color var(--dur) var(--ease)}
a:hover{color:var(--brand-dark)}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.narrow{max-width:820px;margin:0 auto}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--bg);border-bottom:1px solid var(--line)}
.header-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.logo{display:flex;align-items:center;gap:10px;color:var(--ink);font-size:17px;font-weight:650;letter-spacing:-0.01em;flex:0 0 auto}
.logo:hover{color:var(--brand)}
.logo svg{color:var(--brand);flex:0 0 auto}
.nav-right{display:flex;align-items:center;gap:20px}
.nav-divider{width:1px;height:22px;background:var(--line)}
.nav-cta{position:relative;font-size:14.5px;letter-spacing:.02em;color:var(--brand);padding-bottom:3px}
.nav-cta::after{content:"";position:absolute;left:0;bottom:0;width:20px;height:1px;background:var(--brand);transition:width var(--dur) var(--ease)}
.nav-cta:hover::after{width:100%}
.main-nav{display:flex;align-items:center;gap:32px}
.main-nav a{position:relative;font-size:14.5px;letter-spacing:.02em;color:var(--text);padding:8px 0}
.main-nav a::before{content:"";position:absolute;left:-14px;top:50%;transform:translateY(-50%);width:4px;height:4px;border-radius:50%;background:var(--brand);opacity:0;transition:opacity var(--dur) var(--ease)}
.main-nav a:hover{color:var(--brand)}
.main-nav a:hover::before{opacity:1}
.main-nav a.is-active{color:var(--ink);font-weight:600}
.main-nav a.is-active::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--brand);border-radius:2px}
.nav-toggle{display:none;width:44px;height:44px;background:none;border:0;padding:0;cursor:pointer;position:relative}
.nav-toggle span{position:absolute;left:11px;right:11px;height:1.5px;background:var(--ink);border-radius:2px;transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease)}
.nav-toggle span:nth-child(1){top:18px}
.nav-toggle span:nth-child(2){top:26px}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(4px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){transform:translateY(-4px) rotate(-45deg)}

/* ---------- breadcrumb ---------- */
.crumb-wrap{padding:24px 0 0}
.crumb{font-size:12.5px;color:var(--muted);display:flex;flex-wrap:wrap;align-items:center;gap:8px;line-height:1.6}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#C6C3B8}
.crumb .cur{color:var(--brand);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- article head ---------- */
.article-head{padding:32px 0 28px;border-bottom:1px solid var(--line)}
.article-head h1{font-size:clamp(26px,3.6vw,42px);line-height:1.22;font-weight:700}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:20px;font-size:12.5px;color:var(--muted)}
.meta-row .dot{width:3px;height:3px;border-radius:50%;background:#C6C3B8}
.tag{display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--radius-pill);background:var(--brand-soft);color:var(--brand);font-size:12.5px;font-weight:600;letter-spacing:.02em}
.tag:hover{background:#D6E8E1;color:var(--brand-dark)}

/* ---------- article body ---------- */
.article-main{padding:48px 0 0}
.cms-article-body{max-width:820px;font-size:17px;line-height:1.85;color:var(--text)}
.cms-article-body>p:first-of-type{font-size:17.5px;color:var(--ink-2)}
.cms-article-body p{margin:0 0 1.2em}
.cms-article-body h2{font-size:clamp(21px,2.4vw,26px);margin:40px 0 16px;padding-left:14px;border-left:3px solid var(--brand);line-height:1.4}
.cms-article-body h3{font-size:19px;margin:32px 0 12px}
.cms-article-body h4{font-size:17px;margin:24px 0 10px;color:var(--ink-2)}
.cms-article-body ul,.cms-article-body ol{max-width:820px;margin:0 0 1.2em;padding-left:0;list-style:none}
.cms-article-body li{position:relative;padding-left:22px;margin-bottom:.5em}
.cms-article-body ul>li::before{content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--brand)}
.cms-article-body ol{counter-reset:olist}
.cms-article-body ol>li{counter-increment:olist}
.cms-article-body ol>li::before{content:counter(olist,decimal-leading-zero);position:absolute;left:0;top:0;font-size:12.5px;font-weight:700;color:var(--brand);letter-spacing:.02em;line-height:2.5}
.cms-article-body blockquote{margin:24px 0;padding:18px 22px;background:var(--brand-soft);border-left:3px solid var(--brand);border-radius:0 10px 10px 0;color:var(--ink-2)}
.cms-article-body blockquote p:last-child{margin-bottom:0}
.cms-article-body img{border-radius:var(--radius-img);margin:24px 0 10px;width:100%}
.cms-article-body figure{margin:24px 0}
.cms-article-body figcaption{font-size:12.5px;color:var(--muted);text-align:left;margin-top:2px}
.cms-article-body a{color:var(--brand);border-bottom:1px solid var(--brand-soft)}
.cms-article-body a:hover{border-bottom-color:var(--brand)}
.cms-article-body code{background:#EFEDE6;padding:2px 6px;border-radius:4px;font-size:14.5px}
.cms-article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14.5px;display:block;overflow-x:auto;white-space:nowrap}
.cms-article-body th,.cms-article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left}
.cms-article-body th{background:#F1EFE8;color:var(--ink);font-weight:600}
.cms-article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0}
.article-body-wrap{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:clamp(22px,4vw,48px);box-shadow:var(--shadow-1)}

.empty-state{max-width:820px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:48px 32px;text-align:center;box-shadow:var(--shadow-1)}
.empty-state svg{color:var(--brand);margin:0 auto 16px}
.empty-state h2{font-size:20px;margin-bottom:10px}
.empty-state p{color:var(--muted);font-size:14.5px;margin-bottom:22px}

/* ---------- post nav ---------- */
.post-nav{max-width:820px;margin:48px 0 0;border-top:1px solid var(--line)}
.post-nav a{display:flex;align-items:center;gap:12px;padding:18px 4px;border-bottom:1px solid var(--line);font-size:14.5px;color:var(--text);transition:padding var(--dur) var(--ease),color var(--dur) var(--ease)}
.post-nav a:hover{color:var(--brand);padding-left:10px}
.post-nav .label{flex:0 0 auto;font-size:12.5px;color:var(--muted);letter-spacing:.06em}
.post-nav .arrow{flex:0 0 auto;color:var(--brand)}

/* ---------- related ---------- */
.related{padding:72px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:32px}
.section-head h2{font-size:clamp(20px,2.4vw,26px)}
.section-head .more{font-size:14px;position:relative;padding-bottom:3px}
.section-head .more::after{content:"";position:absolute;left:0;bottom:0;width:20px;height:1px;background:var(--brand);transition:width var(--dur) var(--ease)}
.section-head .more:hover::after{width:100%}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rel-card{display:flex;flex-direction:column;gap:10px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:20px;transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease)}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D8D5CB}
.rel-card h3{font-size:16.5px;line-height:1.5}
.rel-card h3 a{color:var(--ink)}
.rel-card h3 a:hover{color:var(--brand)}
.rel-card p{font-size:13.5px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-meta{display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--muted);margin-top:auto}

/* ---------- CTA ---------- */
.cta-block{margin-top:72px;background:var(--ink);color:rgba(255,255,255,.85);border-radius:18px;padding:clamp(32px,5vw,56px)}
.cta-block h2{color:#fff;font-size:clamp(22px,2.8vw,30px);max-width:640px}
.cta-block p{margin-top:14px;font-size:15px;max-width:640px;color:rgba(255,255,255,.78)}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:24px;margin-top:28px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:var(--radius-pill);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease)}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark)}
.link-light{color:#fff;position:relative;padding-bottom:3px;font-size:14.5px}
.link-light::after{content:"";position:absolute;left:0;bottom:0;width:20px;height:1px;background:var(--lime);transition:width var(--dur) var(--ease)}
.link-light:hover{color:var(--lime)}
.link-light:hover::after{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none}

/* ---------- back link ---------- */
.back-row{max-width:820px;margin:32px 0 0}
.back-link{display:inline-flex;align-items:center;gap:10px;font-size:14.5px;color:var(--brand)}
.back-link svg{transition:transform var(--dur) var(--ease)}
.back-link:hover svg{transform:translateX(4px)}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.85);margin-top:96px;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:650;font-size:16px;margin-bottom:14px}
.footer-brand svg{color:var(--lime)}
.site-footer p{font-size:14px;color:rgba(255,255,255,.72);max-width:300px}
.site-footer h3{font-size:14px;color:#fff;font-weight:600;letter-spacing:.02em;margin-bottom:16px}
.site-footer ul{list-style:none;display:flex;flex-direction:column;gap:11px}
.site-footer li{font-size:14px;color:rgba(255,255,255,.72)}
.site-footer a{color:rgba(255,255,255,.85);font-size:14px}
.site-footer a:hover{color:var(--lime)}
.qr-box{margin-top:18px;width:122px;height:122px;border:1px dashed rgba(255,255,255,.3);border-radius:8px;display:flex;align-items:center;justify-content:center;text-align:center;font-size:12px;line-height:1.6;color:rgba(255,255,255,.55);padding:10px}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0;text-align:center;font-size:12.5px;color:rgba(255,255,255,.6)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 420ms var(--ease),transform 420ms var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .rel-grid{grid-template-columns:1fr 1fr}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px}
}
@media (max-width:900px){
  .nav-toggle{display:block}
  .nav-divider{display:none}
  .main-nav{position:fixed;top:0;right:0;height:100vh;width:min(320px,84vw);background:var(--bg);border-left:1px solid var(--line);flex-direction:column;align-items:stretch;gap:0;padding:84px 24px 28px;transform:translateX(100%);transition:transform 200ms var(--ease);overflow-y:auto;box-shadow:-8px 0 32px rgba(20,32,28,.08)}
  .main-nav.is-open{transform:translateX(0)}
  .main-nav a{font-size:16px;line-height:56px;border-bottom:1px solid var(--line)}
  .main-nav a::before{display:none}
  .main-nav a.is-active::after{display:none}
  .main-nav a.is-active{color:var(--brand)}
  .header-inner{height:60px}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .article-main{padding:32px 0 0}
  .cms-article-body{font-size:16px}
  .article-body-wrap{padding:22px 18px;border-radius:12px}
  .rel-grid{grid-template-columns:1fr}
  .cta-block{border-radius:14px;margin-top:56px}
  .site-footer{margin-top:64px;padding-top:48px}
  .related{padding-top:56px}
}
@media (max-width:520px){
  .footer-grid{grid-template-columns:1fr}
  .header-inner{gap:12px}
  .logo{font-size:15px}
  .logo svg{width:18px;height:18px}
  .nav-cta{font-size:13.5px}
  .crumb .cur{max-width:100%;white-space:normal}
  .cta-actions{flex-direction:column;align-items:stretch;gap:14px}
  .btn{width:100%}
  .link-light{align-self:center}
  .article-head{padding:22px 0 20px}
  .meta-row{gap:10px}
}

/* roulang page: category1 */
:root{
  --brand:#0B6E5A;
  --brand-deep:#095A4A;
  --brand-soft:#E6F0EC;
  --accent:#FF6A2B;
  --lime:#CBE86B;
  --ink:#14201C;
  --ink-2:#1E2E28;
  --text:#4A5751;
  --muted:#7B8680;
  --line:#E4E1D8;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --r-card:14px;
  --r-img:12px;
  --r-ctrl:8px;
  --sh-1:0 1px 2px rgba(20,32,28,.05);
  --sh-2:0 8px 24px rgba(20,32,28,.08);
  --t:200ms ease-out;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:650;letter-spacing:-.02em}
h1{font-size:clamp(30px,4.6vw,46px);line-height:1.18;font-weight:700}
h2{font-size:clamp(24px,3vw,32px);line-height:1.25}
h3{font-size:19px;line-height:1.4;font-weight:600}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;width:100%}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:10px 16px;border-radius:0 0 var(--r-ctrl) 0;z-index:200}
.skip-link:focus{left:0}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:var(--bg);
  border-bottom:1px solid var(--line);
}
.header-inner{
  height:72px;display:flex;align-items:center;gap:32px;
}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:16px;font-weight:650;color:var(--ink);letter-spacing:.01em;white-space:nowrap;
  transition:color var(--t);
}
.logo svg{color:var(--brand);flex:none}
.logo:hover{color:var(--brand)}
.main-nav{display:flex;align-items:center;gap:32px;margin-left:auto}
.main-nav a{
  position:relative;font-size:14.5px;letter-spacing:.02em;color:var(--text);
  padding:6px 0;transition:color var(--t);
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.main-nav a:hover{color:var(--brand)}
.main-nav a:hover::before{
  content:"";position:absolute;left:-12px;top:50%;width:4px;height:4px;border-radius:50%;
  background:var(--brand);transform:translateY(-50%);
}
.main-nav a.is-active{color:var(--ink);font-weight:600}
.main-nav a.is-active::after{transform:scaleX(1)}
.header-cta{display:flex;align-items:center;gap:20px;padding-left:20px;border-left:1px solid var(--line)}
.text-cta{
  font-size:14.5px;color:var(--brand);font-weight:600;position:relative;display:inline-block;padding-bottom:3px;
}
.text-cta::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:20px;background:var(--brand);transition:width var(--t);
}
.text-cta:hover::after{width:100%}
.nav-toggle{
  display:none;width:44px;height:44px;border:0;background:transparent;cursor:pointer;
  margin-left:auto;padding:0;flex-direction:column;justify-content:center;align-items:flex-end;gap:7px;
}
.nav-toggle span{display:block;height:1.5px;background:var(--ink);width:24px;transition:transform var(--t),opacity var(--t)}
.nav-toggle[aria-expanded="true"] span:first-child{transform:translateY(4.25px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:last-child{transform:translateY(-4.25px) rotate(-45deg)}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(340px,86vw);background:var(--bg);
  border-left:1px solid var(--line);transform:translateX(100%);transition:transform 220ms ease-out;
  z-index:120;padding:24px;display:flex;flex-direction:column;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;justify-content:space-between;align-items:center;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-title{font-size:14px;color:var(--muted);letter-spacing:.08em}
.drawer-close{width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:var(--r-ctrl);cursor:pointer;font-size:16px;color:var(--ink)}
.drawer nav{margin-top:8px}
.drawer nav a{display:flex;align-items:center;min-height:56px;font-size:16px;color:var(--ink);border-bottom:1px solid var(--line)}
.drawer nav a.is-active{color:var(--brand);font-weight:600}
.drawer .btn{margin-top:auto}
.drawer-mask{position:fixed;inset:0;background:rgba(20,32,28,.35);opacity:0;pointer-events:none;transition:opacity var(--t);z-index:110}
.drawer-mask.is-open{opacity:1;pointer-events:auto}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;transition:background var(--t),color var(--t),border-color var(--t),box-shadow var(--t),transform var(--t);
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-deep)}
.btn-primary:active{background:var(--brand-deep);transform:translateY(1px)}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:var(--brand-soft)}
.btn:disabled{opacity:.4;cursor:not-allowed}
.link-arrow{display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-weight:600;font-size:15px}
.link-arrow svg{transition:transform var(--t)}
.link-arrow:hover svg{transform:translateX(3px)}

/* ---------- Breadcrumb ---------- */
.breadcrumb{padding-top:24px;font-size:12.5px;color:var(--muted);display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.breadcrumb .sep{color:#BBB6A9}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .current{color:var(--brand)}

/* ---------- Page head ---------- */
.page-head{padding:32px 0 40px;border-bottom:1px solid var(--line)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.14em;
  color:var(--brand);text-transform:uppercase;margin-bottom:18px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--lime);display:block}
.page-head h1{max-width:900px}
.page-head .lead{margin-top:18px;max-width:760px;font-size:16.5px;line-height:1.85;color:var(--text)}
.pill-nav{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.pill-nav a{
  display:inline-flex;align-items:center;min-height:40px;padding:0 18px;border-radius:999px;
  border:1px solid var(--line);background:#fff;font-size:14px;color:var(--text);transition:all var(--t);
}
.pill-nav a:hover{border-color:var(--brand);color:var(--brand)}
.pill-nav a.is-current{background:var(--brand-soft);border-color:var(--brand-soft);color:var(--brand-deep);font-weight:600}

/* ---------- Section head ---------- */
.sec-head{max-width:760px;margin-bottom:48px}
.sec-head h2{margin-bottom:14px}
.sec-head p{font-size:15.5px;color:var(--text)}

/* ---------- Timeline ---------- */
.timeline{position:relative;padding:8px 0}
.timeline::before{
  content:"";position:absolute;left:50%;top:0;bottom:0;width:1px;background:var(--line);transform:translateX(-.5px);
}
.tl-item{display:grid;grid-template-columns:1fr 96px 1fr;align-items:start;margin-bottom:40px}
.tl-item:last-child{margin-bottom:0}
.tl-dot{
  grid-column:2;grid-row:1;justify-self:center;
  width:46px;height:46px;border-radius:50%;background:#fff;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  font-size:13.5px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;
  position:relative;z-index:1;letter-spacing:.02em;
}
.tl-content{
  grid-row:1;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 26px;box-shadow:var(--sh-1);transition:box-shadow var(--t),transform var(--t);
}
.tl-content:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.tl-content h3{margin-bottom:10px}
.tl-content p{font-size:15px;line-height:1.8}
.tl-meta{margin-top:14px;display:inline-flex;align-items:center;gap:8px;font-size:12.5px;color:var(--muted)}
.tl-tag{
  display:inline-block;padding:2px 10px;border-radius:999px;background:var(--brand-soft);
  color:var(--brand-deep);font-size:12px;letter-spacing:.02em;
}
.tl-item:nth-child(odd) .tl-content{grid-column:1}
.tl-item:nth-child(even) .tl-content{grid-column:3}
.tl-item--media{grid-template-columns:1fr;margin:8px 0 48px}
.tl-item--media .tl-media{
  grid-column:1/-1;position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);
}
.tl-item--media img{width:100%;height:auto;aspect-ratio:16/6;object-fit:cover;border-radius:0}
.tl-item--media .tl-media-cap{
  position:absolute;left:0;right:0;bottom:0;padding:16px 20px;font-size:13px;color:#fff;
  background:linear-gradient(to top,rgba(20,32,28,.72),rgba(20,32,28,0));
}

/* ---------- Metric band ---------- */
.metric-band{background:var(--ink);color:rgba(255,255,255,.85);padding:80px 0}
.metric-band h2{color:#fff;margin-bottom:12px}
.metric-band .sec-head p{color:rgba(255,255,255,.72)}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;margin-top:8px}
.metric-num{
  font-size:clamp(34px,5vw,54px);font-weight:700;line-height:1;color:var(--lime);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.metric-num span{font-size:16px;font-weight:600;color:rgba(255,255,255,.66);margin-left:4px;letter-spacing:0}
.metric-line{height:1px;width:28px;background:rgba(255,255,255,.3);margin:16px 0 12px}
.metric p{font-size:13.5px;color:rgba(255,255,255,.7);line-height:1.7}

/* ---------- Checklist (细线列表) ---------- */
.checklist{display:grid;grid-template-columns:repeat(2,1fr);column-gap:56px;border-top:1px solid var(--line)}
.check-item{padding:26px 0;border-bottom:1px solid var(--line)}
.check-num{font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums;letter-spacing:.1em}
.check-item h3{margin:10px 0 8px;font-size:17px}
.check-item p{font-size:14.5px;line-height:1.75}

/* ---------- Cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  display:flex;flex-direction:column;transition:box-shadow var(--t),transform var(--t),border-color var(--t);
}
.card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:#D8D4C8}
.card-media{aspect-ratio:16/10;background:#EFEBE2;overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform 220ms ease-out}
.card:hover .card-media img{transform:scale(1.02)}
.card-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:17.5px}
.card-body p{font-size:14.5px;color:var(--text);line-height:1.75}
.card-foot{margin-top:auto;padding-top:8px;font-size:12.5px;color:var(--muted);display:flex;justify-content:space-between;align-items:center}

/* ---------- CTA / Form ---------- */
.cta-panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:56px;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:start;
}
.cta-panel h2{margin-bottom:16px}
.cta-panel .cta-note{font-size:15px;color:var(--text);max-width:440px}
.cta-points{margin-top:24px;display:grid;gap:12px}
.cta-points li{display:flex;gap:10px;font-size:14.5px;color:var(--text)}
.cta-points svg{flex:none;margin-top:5px;color:var(--brand)}
.form-field{margin-bottom:18px}
.form-field label{display:block;font-size:13px;color:var(--muted);margin-bottom:8px;letter-spacing:.02em}
.form-field input,.form-field textarea{
  width:100%;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-ctrl);
  background:#fff;transition:border-color var(--t),box-shadow var(--t);
}
.form-field textarea{height:auto;min-height:96px;padding:12px 14px;line-height:1.7;resize:vertical}
.form-field input:focus,.form-field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 2px var(--brand-soft);
}
.form-field.has-error input{border-color:#C0442A;box-shadow:0 0 0 2px rgba(192,68,42,.12)}
.form-error{margin-top:8px;font-size:13px;color:#C0442A;display:flex;gap:6px;align-items:center}
.form-hint{margin-top:14px;font-size:12.5px;color:var(--muted)}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.85);padding:72px 0 0;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.site-footer h3{color:#fff;font-size:14.5px;letter-spacing:.06em;margin-bottom:18px;font-weight:600}
.site-footer p{font-size:14px;color:rgba(255,255,255,.72);line-height:1.8;max-width:320px}
.site-footer ul{display:grid;gap:12px}
.site-footer ul li{font-size:14px;color:rgba(255,255,255,.72)}
.site-footer a{color:rgba(255,255,255,.85);transition:color var(--t)}
.site-footer a:hover{color:var(--lime)}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:16px;font-weight:650;margin-bottom:16px}
.footer-brand svg{color:var(--lime)}
.qr-box{
  margin-top:20px;width:132px;height:132px;border:1px dashed rgba(255,255,255,.28);border-radius:var(--r-ctrl);
  display:flex;align-items:center;justify-content:center;text-align:center;font-size:12px;
  color:rgba(255,255,255,.5);line-height:1.6;padding:12px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0;text-align:center;font-size:12.5px;color:rgba(255,255,255,.55);
}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 420ms ease-out,transform 420ms ease-out}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .section{padding:72px 0}
  .main-nav{gap:24px}
  .header-cta{display:none}
  .metric-grid{grid-template-columns:repeat(2,1fr);gap:40px 32px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .cta-panel{grid-template-columns:1fr;gap:36px;padding:44px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:768px){
  .section{padding:48px 0}
  .container{padding:0 18px}
  .header-inner{height:60px}
  .main-nav{display:none}
  .nav-toggle{display:flex}
  .page-head{padding:24px 0 32px}
  .timeline::before{left:23px;transform:none}
  .tl-item{grid-template-columns:46px 1fr;gap:16px;margin-bottom:24px}
  .tl-dot{grid-column:1;grid-row:1}
  .tl-item:nth-child(odd) .tl-content,
  .tl-item:nth-child(even) .tl-content{grid-column:2;grid-row:1}
  .tl-item--media{grid-template-columns:1fr}
  .tl-item--media .tl-media{grid-column:1}
  .tl-content{padding:20px}
  .checklist{grid-template-columns:1fr}
  .card-grid{grid-template-columns:1fr}
  .metric-grid{grid-template-columns:1fr;gap:32px}
  .cta-panel{padding:28px 20px;border-radius:var(--r-card)}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:36px}
  .site-footer{margin-top:64px}
  .qr-box{width:120px;height:120px}
}
@media (max-width:480px){
  h1{font-size:28px}
  h2{font-size:22px}
  .pill-nav a{min-height:44px}
  .btn{width:100%}
  .btn + .btn{margin-top:12px}
  .card-body{padding:18px 18px 22px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --brand:#0B6E5A;
  --brand-deep:#095A4A;
  --brand-soft:#E6F0EC;
  --accent:#FF6A2B;
  --lime:#CBE86B;
  --ink:#14201C;
  --ink-2:#1E2E28;
  --text:#4A5751;
  --muted:#7B8680;
  --line:#E4E1D8;
  --bg:#F7F5F0;
  --card:#FFFFFF;

  --radius-card:14px;
  --radius-img:12px;
  --radius-field:8px;
  --radius-pill:999px;

  --shadow-sm:0 1px 2px rgba(20,32,28,.05);
  --shadow-md:0 8px 24px rgba(20,32,28,.08);

  --space-1:8px;
  --space-2:12px;
  --space-3:16px;
  --space-4:24px;
  --space-5:32px;
  --space-6:48px;
  --space-7:72px;
  --space-8:96px;

  --dur:200ms;
  --ease:ease-out;
}

/* ============ reset / base ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color var(--dur) var(--ease);}
a:hover{color:var(--brand-deep);}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
h1,h2,h3,h4{color:var(--ink);letter-spacing:-0.02em;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}

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

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--bg);
  border-bottom:1px solid var(--line);
}
.header-inner{
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:var(--space-5);
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--ink);
  font-size:16.5px;
  font-weight:700;
  letter-spacing:-0.01em;
  white-space:nowrap;
}
.logo:hover{color:var(--brand);}
.logo-mark{
  width:30px;height:30px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--brand);
  border-radius:8px;
  color:var(--brand);
  flex:0 0 auto;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:32px;
}
.main-nav a{
  position:relative;
  display:inline-flex;
  align-items:center;
  padding:6px 0;
  font-size:14.5px;
  letter-spacing:0.02em;
  color:var(--ink-2);
}
.main-nav a::before{
  content:"";
  position:absolute;
  left:-14px;
  top:50%;
  width:5px;height:5px;
  margin-top:-2.5px;
  border-radius:50%;
  background:var(--brand);
  transform:scale(0);
  transition:transform var(--dur) var(--ease);
}
.main-nav a:hover{color:var(--brand);}
.main-nav a:hover::before{transform:scale(1);}
.main-nav a.is-active{color:var(--brand);font-weight:600;}
.main-nav a.is-active::after{
  content:"";
  position:absolute;
  left:0;right:0;
  bottom:-8px;
  height:2px;
  background:var(--brand);
  border-radius:2px;
}
.header-cta{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding-left:24px;
  border-left:1px solid var(--line);
}
.header-cta a{
  font-size:14.5px;
  color:var(--brand);
  border-bottom:1px solid currentColor;
  padding-bottom:2px;
}
.header-cta a:hover{color:var(--brand-deep);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:6px;
  background:transparent;
  border:1px solid var(--line);
  border-radius:8px;
  cursor:pointer;
}
.nav-toggle span{
  display:block;
  width:18px;height:1.5px;
  background:var(--ink);
}
.nav-drawer{
  position:fixed;
  top:0;right:0;
  width:min(84vw,340px);
  height:100%;
  background:var(--bg);
  border-left:1px solid var(--line);
  transform:translateX(102%);
  transition:transform 220ms var(--ease);
  z-index:90;
  display:flex;
  flex-direction:column;
  padding:20px;
}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:16px;
  border-bottom:1px solid var(--line);
}
.drawer-close{
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:8px;
  background:transparent;
  cursor:pointer;
  color:var(--ink);
  font-size:18px;
  line-height:1;
}
.drawer-nav{flex:1;padding-top:8px;}
.drawer-nav a{
  display:flex;
  align-items:center;
  height:56px;
  font-size:16px;
  color:var(--ink-2);
  border-bottom:1px solid var(--line);
}
.drawer-nav a.is-active{color:var(--brand);font-weight:600;}
.drawer-foot{padding-top:20px;}
.overlay{
  position:fixed;
  inset:0;
  background:rgba(20,32,28,.35);
  opacity:0;
  visibility:hidden;
  transition:opacity var(--dur) var(--ease),visibility var(--dur) var(--ease);
  z-index:80;
}
.overlay.is-open{opacity:1;visibility:visible;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 24px;
  border-radius:var(--radius-pill);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:background-color var(--dur) var(--ease),border-color var(--dur) var(--ease),color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-deep);}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;}
.btn-block{width:100%;}

.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--brand);
  border-bottom:1px solid transparent;
  padding-bottom:2px;
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.link-arrow::after{content:"→";font-size:14px;transition:transform var(--dur) var(--ease);}
.link-arrow:hover{border-color:var(--brand);color:var(--brand-deep);}
.link-arrow:hover::after{transform:translateX(2px);}

/* ============ 面包屑 ============ */
.breadcrumb{
  font-size:12.5px;
  color:var(--muted);
  padding:24px 0 0;
}
.breadcrumb span{margin:0 8px;color:var(--line);}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb strong{color:var(--brand);font-weight:600;}

/* ============ 页头 ============ */
.page-head{padding:28px 0 56px;}
.page-head-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr;
  gap:var(--space-6);
  align-items:end;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  letter-spacing:.14em;
  color:var(--brand);
  text-transform:uppercase;
  margin-bottom:16px;
}
.eyebrow::before{
  content:"";
  width:24px;height:1.5px;
  background:var(--accent);
  display:inline-block;
}
.page-head h1{
  font-size:clamp(30px,4.6vw,52px);
  line-height:1.18;
  font-weight:700;
  max-width:760px;
}
.lead{
  margin-top:20px;
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  max-width:640px;
}
.tag-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:24px;
}
.tag{
  display:inline-flex;
  align-items:center;
  height:28px;
  padding:0 12px;
  border-radius:var(--radius-pill);
  background:var(--brand-soft);
  color:var(--brand-deep);
  font-size:12.5px;
  letter-spacing:.02em;
}
.page-head-side{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:var(--space-4);
}
.stat-mini{
  border-top:1px solid var(--ink);
  padding-top:14px;
}
.stat-mini b{
  display:block;
  font-size:clamp(30px,4vw,42px);
  line-height:1.1;
  font-weight:700;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
  letter-spacing:-0.02em;
}
.stat-mini span{
  display:block;
  margin-top:6px;
  font-size:12.5px;
  color:var(--muted);
  line-height:1.6;
}

/* ============ 板块通用 ============ */
.section{padding:72px 0;}
.section-tight{padding:56px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:var(--space-4);
  padding-bottom:24px;
  border-bottom:1px solid var(--line);
  margin-bottom:40px;
}
.section-title{
  font-size:clamp(24px,3vw,34px);
  line-height:1.25;
  font-weight:650;
}
.section-sub{
  margin-top:12px;
  font-size:15px;
  color:var(--muted);
  max-width:640px;
  line-height:1.75;
}
.divider{height:1px;background:var(--line);border:0;margin:0;}

/* ============ 要点双列 ============ */
.points{
  display:grid;
  grid-template-columns:1fr 1fr;
  column-gap:var(--space-6);
  border-top:1px solid var(--line);
}
.point{
  padding:28px 0;
  border-bottom:1px solid var(--line);
}
.point-num{
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.12em;
  color:var(--accent);
}
.point-title{
  margin-top:8px;
  font-size:18px;
  font-weight:600;
  color:var(--ink);
  letter-spacing:-0.01em;
}
.point-desc{
  margin-top:6px;
  font-size:14.5px;
  color:var(--muted);
  line-height:1.75;
}

/* ============ 对照表 ============ */
.table-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}
table.cmp-table{
  width:100%;
  min-width:680px;
  border-collapse:collapse;
}
.cmp-table caption{
  text-align:left;
  padding:20px 24px 0;
  font-size:13px;
  color:var(--muted);
}
.cmp-table th{
  background:#F2EFE8;
  color:var(--ink);
  font-size:13.5px;
  font-weight:600;
  text-align:left;
  padding:16px 24px;
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.cmp-table td{
  padding:18px 24px;
  font-size:14.5px;
  line-height:1.75;
  border-bottom:1px solid var(--line);
  vertical-align:top;
}
.cmp-table tbody tr:last-child td{border-bottom:0;}
.cmp-table tbody tr:hover td{background:#FBFAF6;}
.cmp-table td:first-child{color:var(--ink);font-weight:600;}
.cmp-table td:last-child{color:var(--brand-deep);}

/* ============ 图文区块 ============ */
.feature{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:var(--space-6);
  align-items:center;
}
.feature.is-reverse .feature-media{order:2;}
.feature-media{
  border-radius:var(--radius-img);
  overflow:hidden;
  background:#EFEBE3;
  border:1px solid var(--line);
}
.feature-media img{
  width:100%;
  height:100%;
  aspect-ratio:4/3;
  object-fit:cover;
}
.feature-body h3{
  font-size:22px;
  font-weight:600;
  line-height:1.4;
  margin-bottom:14px;
}
.feature-body p{
  font-size:15.5px;
  line-height:1.85;
  color:var(--text);
  max-width:560px;
}
.feature-list{
  margin:20px 0 24px;
  border-top:1px solid var(--line);
}
.feature-item{
  display:flex;
  gap:14px;
  padding:14px 0;
  border-bottom:1px solid var(--line);
  font-size:14.5px;
  line-height:1.75;
}
.feature-item svg{flex:0 0 auto;margin-top:5px;color:var(--brand);}
.feature-item b{color:var(--ink);font-weight:600;display:block;margin-bottom:2px;}

/* ============ 深色提示带 ============ */
.band{
  background:var(--ink);
  color:rgba(255,255,255,.85);
  border-radius:var(--radius-card);
  padding:40px;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:var(--space-5);
}
.band-item{border-top:1px solid rgba(255,255,255,.18);padding-top:16px;}
.band-item b{
  display:block;
  font-size:15.5px;
  color:#fff;
  font-weight:600;
  margin-bottom:8px;
}
.band-item p{
  font-size:14px;
  line-height:1.75;
  color:rgba(255,255,255,.72);
}
.band-item em{
  display:block;
  font-style:normal;
  font-size:12.5px;
  letter-spacing:.12em;
  color:var(--lime);
  margin-bottom:10px;
}

/* ============ FAQ ============ */
.faq{
  max-width:860px;
  border-top:1px solid var(--line);
}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:var(--space-4);
  min-height:60px;
  padding:16px 0;
  font-size:16.5px;
  font-weight:600;
  color:var(--ink);
  transition:color var(--dur) var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand);}
.faq-item summary .plus{
  flex:0 0 auto;
  position:relative;
  width:18px;height:18px;
  color:var(--muted);
  transition:color var(--dur) var(--ease);
}
.faq-item summary .plus::before,
.faq-item summary .plus::after{
  content:"";
  position:absolute;
  background:currentColor;
  border-radius:1px;
  transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease);
}
.faq-item summary .plus::before{left:0;right:0;top:8.5px;height:1.5px;}
.faq-item summary .plus::after{top:0;bottom:0;left:8.5px;width:1.5px;}
.faq-item[open] summary{color:var(--brand);}
.faq-item[open] summary .plus{color:var(--accent);}
.faq-item[open] summary .plus::after{transform:scaleY(0);opacity:0;}
.faq-inner{
  max-width:820px;
  padding:0 0 24px;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
}
.faq-inner p+p{margin-top:12px;}

/* ============ CTA 与表单 ============ */
.cta-band{
  background:var(--ink);
  color:rgba(255,255,255,.82);
  border-radius:var(--radius-card);
  padding:48px;
}
.cta-grid{
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:var(--space-6);
  align-items:start;
}
.cta-band h2{
  color:#fff;
  font-size:clamp(24px,3vw,32px);
  line-height:1.3;
  font-weight:650;
}
.cta-band p{
  margin-top:16px;
  font-size:15px;
  line-height:1.8;
  color:rgba(255,255,255,.72);
  max-width:460px;
}
.cta-actions{
  margin-top:28px;
  display:flex;
  flex-wrap:wrap;
  gap:20px;
  align-items:center;
}
.cta-band .link-arrow{color:var(--lime);}
.cta-band .link-arrow:hover{color:#fff;border-color:#fff;}
.form-grid{
  display:grid;
  gap:var(--space-3);
}
.field label{
  display:block;
  font-size:13px;
  letter-spacing:.02em;
  color:rgba(255,255,255,.78);
  margin-bottom:8px;
}
.field input{
  width:100%;
  height:48px;
  padding:0 14px;
  border-radius:var(--radius-field);
  border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.06);
  color:#fff;
  font-size:15px;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.field input::placeholder{color:rgba(255,255,255,.42);}
.field input:focus{
  outline:none;
  border-color:var(--lime);
  box-shadow:0 0 0 3px rgba(203,232,107,.28);
}
.field.has-error input{border-color:var(--accent);}
.error-text{
  display:none;
  margin-top:6px;
  font-size:13px;
  color:var(--accent);
}
.field.has-error .error-text{display:block;}
.form-actions{margin-top:4px;}
.form-note{
  margin-top:14px;
  font-size:12.5px;
  color:rgba(255,255,255,.55);
}

/* ============ 相关入口 ============ */
.entry-list{
  border-top:1px solid var(--line);
}
.entry-list a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:var(--space-4);
  min-height:64px;
  padding:16px 0;
  border-bottom:1px solid var(--line);
  color:var(--ink);
  font-size:16px;
  font-weight:600;
  transition:color var(--dur) var(--ease),padding-left var(--dur) var(--ease);
}
.entry-list a span{
  font-size:13px;
  font-weight:400;
  color:var(--muted);
}
.entry-list a:hover{color:var(--brand);padding-left:6px;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.85);
  margin-top:96px;
  border-top:1px solid rgba(255,255,255,.12);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:var(--space-6);
  padding:64px 0 40px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-size:16px;
  font-weight:700;
  margin-bottom:16px;
}
.site-footer p{
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.62);
  max-width:320px;
}
.site-footer h3{
  color:#fff;
  font-size:14.5px;
  font-weight:600;
  margin-bottom:16px;
  letter-spacing:.02em;
}
.site-footer ul li{
  font-size:14px;
  color:rgba(255,255,255,.62);
  line-height:2.1;
}
.site-footer ul li a{
  color:rgba(255,255,255,.75);
  transition:color var(--dur) var(--ease);
}
.site-footer ul li a:hover{color:var(--lime);}
.qr-box{
  margin-top:20px;
  width:120px;
  height:120px;
  border:1px dashed rgba(255,255,255,.28);
  border-radius:var(--radius-img);
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  font-size:12px;
  line-height:1.6;
  color:rgba(255,255,255,.5);
  padding:12px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;
  text-align:center;
  font-size:12.5px;
  color:rgba(255,255,255,.5);
}

/* ============ 滚动淡入 ============ */
.reveal{
  opacity:0;
  transform:translateY(12px);
  transition:opacity 420ms var(--ease),transform 420ms var(--ease);
}
.reveal.is-in{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .main-nav{gap:24px;}
  .page-head-grid{grid-template-columns:1fr;gap:40px;align-items:start;}
  .page-head-side{max-width:520px;}
  .feature{grid-template-columns:1fr;gap:var(--space-5);}
  .feature.is-reverse .feature-media{order:0;}
  .band{grid-template-columns:1fr;gap:24px;padding:32px;}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px;}
  .section{padding:64px 0;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .main-nav,.header-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{height:60px;}
  .points{grid-template-columns:1fr;column-gap:0;}
  .page-head{padding:20px 0 40px;}
  .page-head-side{grid-template-columns:1fr 1fr;gap:20px;}
  .section{padding:48px 0;}
  .section-tight{padding:40px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:32px;}
  .cta-band{padding:32px 24px;}
  .faq-inner{font-size:15.5px;}
  .site-footer{margin-top:64px;}
}
@media (max-width:520px){
  .page-head-side{grid-template-columns:1fr;}
  .tag-row{gap:8px;}
  .feature-media img{aspect-ratio:16/10;}
  .cmp-table th,.cmp-table td{padding:14px 16px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding:48px 0 32px;}
  .qr-box{width:100px;height:100px;}
  .entry-list a{flex-direction:column;align-items:flex-start;gap:4px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}