/* roulang page: index */
:root{
  --paper:#F6F2E9;
  --paper-2:#FBFAF6;
  --ink:#141613;
  --ink-2:#5E5A50;
  --line:#D8D1C3;
  --line-dark:rgba(255,255,255,.18);
  --green:#245C4A;
  --lime:#C7F45A;
  --orange:#E35D32;
  --dark:#11130F;
  --r-sm:2px;
  --r-md:4px;
  --r-lg:6px;
  --shadow-soft:0 18px 44px rgba(20,22,19,.08);
  --shadow-card:0 10px 26px rgba(20,22,19,.06);
  --t:220ms cubic-bezier(.4,0,.2,1);
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  --font-serif:"Noto Serif SC","Songti SC","STSong",Georgia,serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.01em;
}
img{max-width:100%;display:block;object-fit:cover;}
a{color:var(--ink);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--green);}
p{margin:0 0 1.1em;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;}
ul,ol{margin:0;padding-left:1.1em;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:2px;}
.container-x{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-tight{padding:64px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12.5px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--ink-2);margin-bottom:18px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--ink-2);display:inline-block;}
.h2{font-size:clamp(26px,3vw,38px);line-height:1.22;}
.h3{font-size:20px;line-height:1.4;}
.lead{color:var(--ink-2);font-size:16.5px;max-width:42em;}
.muted{color:var(--ink-2);font-size:13.5px;}
.divider{height:1px;background:var(--line);border:0;margin:0;}
.serif{font-family:var(--font-serif);}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(246,242,233,.92);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:78px;}
.brand{display:flex;align-items:center;gap:12px;line-height:1.25;}
.brand-mark{
  width:34px;height:34px;border:1px solid var(--ink);border-radius:50%;
  display:grid;place-items:center;font-size:13px;font-weight:700;flex:0 0 auto;
  background:var(--paper-2);
}
.brand-text{font-size:16.5px;font-weight:700;letter-spacing:.04em;}
.brand-sub{display:block;font-size:11.5px;font-weight:400;color:var(--ink-2);letter-spacing:.16em;text-transform:uppercase;}
.nav-list{display:flex;align-items:center;gap:34px;list-style:none;margin:0;padding:0;}
.nav-list a{
  position:relative;font-size:15px;color:var(--ink-2);padding:6px 0;display:inline-block;
}
.nav-list a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--ink);
  transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.nav-list a:hover{color:var(--ink);}
.nav-list a:hover::after{transform:scaleX(1);}
.nav-list a.active{color:var(--ink);font-weight:600;}
.nav-list a.active::after{transform:scaleX(1);background:var(--green);}
.nav-list a.active::before{
  content:"";position:absolute;left:-12px;top:50%;transform:translateY(-50%);
  width:5px;height:5px;border-radius:50%;background:var(--lime);
}
.nav-cta{
  display:inline-flex;align-items:center;gap:10px;
  border:1px solid var(--ink);background:var(--ink);color:var(--paper);
  padding:11px 20px;border-radius:var(--r-sm);font-size:14.5px;transition:all var(--t);
}
.nav-cta i{transition:transform var(--t);font-size:12px;}
.nav-cta:hover{background:var(--green);border-color:var(--green);color:#fff;}
.nav-cta:hover i{transform:translateX(4px);}
.burger{
  display:none;border:1px solid var(--line);background:var(--paper-2);
  width:44px;height:44px;border-radius:var(--r-sm);color:var(--ink);
}
.offcanvas{background:var(--paper);}
.offcanvas-header{border-bottom:1px solid var(--line);}
.offcanvas .m-list{list-style:none;margin:0;padding:0;}
.offcanvas .m-list li{border-bottom:1px solid var(--line);}
.offcanvas .m-list a{display:block;padding:18px 4px;font-size:20px;font-weight:600;}
.offcanvas .m-list a.active{color:var(--green);}

/* ---------- Hero ---------- */
.hero{position:relative;padding:80px 0 88px;overflow:hidden;}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
.hero h1{
  font-size:clamp(34px,4.6vw,66px);
  line-height:1.09;
  letter-spacing:.005em;
  margin-bottom:22px;
}
.hero h1 .accent{color:var(--green);}
.hero-sub{color:var(--ink-2);font-size:17px;max-width:34em;margin-bottom:32px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0;margin:0;}
.tag{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12.5px;padding:6px 13px;border:1px solid var(--line);
  border-radius:999px;color:var(--ink-2);background:var(--paper-2);
}
.tag .dot{width:5px;height:5px;border-radius:50%;background:var(--green);}
.tag.warm .dot{background:var(--orange);}
.tag-lime{border-color:var(--green);color:var(--green);}
.btn-main{
  display:inline-flex;align-items:center;gap:12px;
  background:var(--ink);color:var(--paper);border:1px solid var(--ink);
  padding:14px 26px;border-radius:var(--r-sm);font-size:15px;font-weight:500;
  transition:all var(--t);cursor:pointer;
}
.btn-main i{transition:transform var(--t);font-size:13px;}
.btn-main:hover{background:var(--green);border-color:var(--green);color:#fff;}
.btn-main:hover i{transform:translateX(4px);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:12px;
  background:transparent;color:var(--ink);border:1px solid var(--ink);
  padding:14px 26px;border-radius:var(--r-sm);font-size:15px;
  transition:all var(--t);cursor:pointer;
}
.btn-ghost:hover{background:rgba(20,22,19,.05);border-color:var(--green);color:var(--green);}
.btn-lime{
  display:inline-flex;align-items:center;gap:12px;
  background:var(--lime);color:var(--dark);border:1px solid var(--lime);
  padding:14px 26px;border-radius:var(--r-sm);font-size:15px;font-weight:600;
  transition:all var(--t);cursor:pointer;
}
.btn-lime:hover{background:var(--paper);border-color:var(--paper);color:var(--dark);}
.btn-lime i{transition:transform var(--t);font-size:13px;}
.btn-lime:hover i{transform:translateX(4px);}
.hero-visual{position:relative;}
.hero-figure{
  position:relative;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;background:var(--paper-2);box-shadow:var(--shadow-soft);
}
.hero-figure img{width:100%;height:440px;object-fit:cover;}
.hero-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(17,19,15,0) 42%,rgba(17,19,15,.62) 100%);
}
.hero-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;z-index:2;padding:22px 24px;color:#F6F2E9;
  font-size:13.5px;letter-spacing:.04em;
}
.hero-chip{
  position:absolute;left:-22px;bottom:40px;z-index:3;
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-md);
  padding:14px 18px;box-shadow:var(--shadow-card);min-width:180px;
}
.hero-chip strong{display:block;font-size:22px;line-height:1.2;}
.hero-chip span{font-size:12px;color:var(--ink-2);letter-spacing:.08em;}

/* ---------- Stats strip ---------- */
.stats-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--paper-2);}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.stat-cell{padding:30px 26px;border-right:1px solid var(--line);}
.stat-cell:last-child{border-right:0;}
.stat-num{font-family:var(--font-serif);font-size:30px;line-height:1.1;color:var(--ink);}
.stat-num em{font-style:normal;color:var(--green);font-size:18px;margin-left:3px;}
.stat-label{font-size:13px;color:var(--ink-2);margin-top:6px;letter-spacing:.06em;}

/* ---------- Steps ---------- */
.steps{list-style:none;margin:0;padding:0;position:relative;}
.step{
  display:grid;grid-template-columns:76px 1fr;gap:26px;
  padding:34px 0;border-top:1px solid var(--line);position:relative;
}
.step:last-child{border-bottom:1px solid var(--line);}
.step-no{
  font-family:var(--font-serif);font-size:30px;line-height:1;color:var(--green);
}
.step-no small{display:block;font-size:11px;letter-spacing:.18em;color:var(--ink-2);margin-top:8px;font-family:var(--font-sans);}
.step-body h3{font-size:21px;margin-bottom:10px;}
.step-body p{color:var(--ink-2);margin-bottom:0;max-width:40em;}
.step-note{
  display:inline-block;margin-top:14px;font-size:12.5px;color:var(--ink-2);
  border-left:2px solid var(--lime);padding-left:10px;
}
.aside-card{
  border:1px solid var(--line);border-radius:var(--r-lg);background:var(--paper-2);
  padding:26px;position:sticky;top:104px;
}
.aside-card img{width:100%;height:150px;border-radius:var(--r-sm);margin-bottom:18px;}
.aside-card h3{font-size:17px;margin-bottom:10px;}
.aside-card p{font-size:14px;color:var(--ink-2);}
.mini-list{list-style:none;margin:16px 0 0;padding:0;}
.mini-list li{
  display:flex;justify-content:space-between;gap:12px;
  font-size:13.5px;padding:10px 0;border-top:1px dashed var(--line);color:var(--ink-2);
}
.mini-list li strong{color:var(--ink);font-weight:600;}

/* ---------- Rewards rail ---------- */
.rail-wrap{position:relative;}
.rail{
  display:grid;grid-auto-flow:column;grid-auto-columns:minmax(280px,1fr);
  gap:20px;overflow-x:auto;padding:6px 2px 22px;
  scroll-snap-type:x mandatory;scrollbar-width:thin;
}
.rail::-webkit-scrollbar{height:6px;}
.rail::-webkit-scrollbar-track{background:var(--line);border-radius:99px;}
.rail::-webkit-scrollbar-thumb{background:var(--green);border-radius:99px;}
.reward-card{
  scroll-snap-align:start;background:var(--paper-2);
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
  display:flex;flex-direction:column;
}
.reward-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-card);border-color:var(--green);}
.reward-card figure{margin:0;position:relative;}
.reward-card img{width:100%;height:168px;}
.reward-card .r-tag{
  position:absolute;left:14px;top:14px;background:var(--paper);border:1px solid var(--line);
  font-size:11.5px;padding:4px 10px;border-radius:999px;color:var(--ink-2);
}
.reward-body{padding:20px 22px 24px;flex:1;display:flex;flex-direction:column;}
.reward-body h3{font-size:19px;margin-bottom:8px;}
.reward-body p{font-size:14px;color:var(--ink-2);margin-bottom:16px;}
.reward-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--ink-2);border-top:1px solid var(--line);padding-top:14px;
}
.reward-foot .lvl{color:var(--green);border:1px solid var(--green);border-radius:999px;padding:2px 10px;}

/* ---------- Dashboard ---------- */
.dash{background:var(--dark);color:#EFEDE6;border-radius:var(--r-lg);padding:56px 48px;}
.dash .eyebrow{color:rgba(255,255,255,.62);}
.dash .eyebrow::before{background:rgba(255,255,255,.4);}
.dash h2{color:#fff;}
.dash p.lead{color:rgba(255,255,255,.66);}
.task-row{padding:22px 0;border-top:1px solid var(--line-dark);}
.task-row:last-child{border-bottom:1px solid var(--line-dark);}
.task-head{display:flex;justify-content:space-between;align-items:baseline;gap:16px;margin-bottom:12px;}
.task-head h3{font-size:17px;color:#fff;font-weight:600;}
.task-head span{font-size:12.5px;color:rgba(255,255,255,.55);letter-spacing:.08em;}
.progress{height:5px;background:rgba(255,255,255,.14);border-radius:99px;overflow:hidden;}
.progress-bar{
  background:var(--green);width:0;transition:width 1.1s cubic-bezier(.4,0,.2,1);
  border-radius:99px;position:relative;
}
.progress-bar::after{
  content:"";position:absolute;right:0;top:50%;transform:translateY(-50%);
  width:10px;height:10px;border-radius:50%;background:rgba(199,244,90,.75);
}
.task-meta{display:flex;justify-content:space-between;margin-top:10px;font-size:12px;color:rgba(255,255,255,.5);}
.state{
  font-size:11.5px;padding:3px 10px;border-radius:999px;letter-spacing:.06em;
}
.state.on{background:rgba(199,244,90,.14);color:var(--lime);border:1px solid rgba(199,244,90,.4);}
.state.mid{background:rgba(255,255,255,.08);color:#fff;border:1px solid var(--line-dark);}
.state.wait{background:rgba(227,93,50,.12);color:#F09070;border:1px solid rgba(227,93,50,.35);}
.dash-side{
  border-left:1px solid var(--line-dark);padding-left:36px;
}
.dash-side .num{font-family:var(--font-serif);font-size:44px;line-height:1;color:var(--lime);}
.dash-side .num-sub{font-size:13px;color:rgba(255,255,255,.6);margin-top:8px;letter-spacing:.08em;}
.dash-side hr{border-color:var(--line-dark);margin:26px 0;}

/* ---------- Entry ---------- */
.entry-panel{
  display:grid;grid-template-columns:6fr 6fr;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;background:var(--paper-2);
}
.entry-left{padding:52px 48px;}
.entry-left h2{margin-bottom:16px;}
.entry-list{list-style:none;margin:22px 0 0;padding:0;}
.entry-list li{
  display:flex;gap:12px;font-size:14.5px;color:var(--ink-2);
  padding:12px 0;border-top:1px solid var(--line);
}
.entry-list i{color:var(--green);margin-top:6px;font-size:12px;}
.entry-form{padding:52px 48px;background:var(--paper);border-left:1px solid var(--line);}
.form-label{font-size:13px;letter-spacing:.08em;color:var(--ink-2);margin-bottom:8px;}
.form-control{
  background:transparent;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:13px 14px;font-size:15px;color:var(--ink);transition:border-color var(--t),box-shadow var(--t);
}
.form-control::placeholder{color:#A8A296;}
.form-control:focus{
  background:transparent;border-color:var(--green);box-shadow:0 0 0 3px rgba(36,92,74,.1);color:var(--ink);
}
.form-select{
  background-color:transparent;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:13px 14px;font-size:15px;
}
.form-select:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(36,92,74,.1);}
.form-note{font-size:12.5px;color:var(--ink-2);margin-top:16px;line-height:1.7;}
.btn-main.w-100,.btn-ghost.w-100{justify-content:center;}

/* ---------- News / CMS ---------- */
.news-layout{display:grid;grid-template-columns:7fr 5fr;gap:48px;}
.news-lead{
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:var(--paper-2);
  transition:box-shadow var(--t),border-color var(--t);
}
.news-lead:hover{box-shadow:var(--shadow-card);border-color:var(--green);}
.news-lead img{width:100%;height:240px;}
.news-lead .nb{padding:24px 26px 28px;}
.news-item{
  display:grid;grid-template-columns:88px 1fr;gap:18px;
  padding:20px 0;border-top:1px solid var(--line);transition:color var(--t);
}
.news-item:last-child{border-bottom:1px solid var(--line);}
.news-item time{font-size:12.5px;color:var(--ink-2);letter-spacing:.06em;}
.news-item h3{font-size:16.5px;margin-bottom:6px;line-height:1.5;}
.news-item p{font-size:13.5px;color:var(--ink-2);margin:0;}
.news-item:hover h3{color:var(--green);}
.chip-cat{
  display:inline-block;font-size:11.5px;color:var(--green);
  border:1px solid var(--green);border-radius:999px;padding:2px 10px;margin-bottom:10px;
}
.empty-box{
  min-height:200px;border:1px dashed var(--line);border-radius:var(--r-lg);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:12px;background:var(--paper-2);color:var(--ink-2);font-size:14px;text-align:center;padding:32px;
}

/* ---------- FAQ ---------- */
.accordion-item{
  background:transparent;border:0;border-top:1px solid var(--line);
}
.accordion-item:last-child{border-bottom:1px solid var(--line);}
.accordion-button{
  background:transparent;color:var(--ink);font-size:17px;font-weight:600;
  padding:24px 44px 24px 0;box-shadow:none;border-radius:0;
  display:flex;gap:14px;align-items:baseline;
}
.accordion-button:not(.collapsed){color:var(--green);background:transparent;box-shadow:none;}
.accordion-button:focus{box-shadow:none;border-color:transparent;outline:2px solid var(--lime);outline-offset:-2px;}
.accordion-button::after{
  content:"\2b";font-family:var(--font-sans);font-size:20px;color:var(--ink-2);
  background-image:none;width:auto;height:auto;transform:none;line-height:1;
}
.accordion-button:not(.collapsed)::after{content:"\2212";color:var(--green);transform:none;}
.accordion-button .q-no{
  font-family:var(--font-serif);font-size:14px;color:var(--ink-2);min-width:28px;
}
.accordion-body{
  padding:0 0 26px 28px;color:var(--ink-2);font-size:15px;max-width:44em;
}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--green);color:#F2F6EE;border-radius:var(--r-lg);
  padding:56px 52px;display:grid;grid-template-columns:8fr 4fr;gap:36px;align-items:center;
}
.cta-band h2{color:#fff;font-size:clamp(24px,2.6vw,34px);line-height:1.25;margin-bottom:14px;}
.cta-band p{color:rgba(255,255,255,.78);margin:0;font-size:15.5px;max-width:36em;}
.cta-band .btn-lime{justify-self:end;}

/* ---------- Footer ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.7);padding:76px 0 32px;margin-top:0;}
.footer-brand{
  font-family:var(--font-serif);color:#fff;font-size:clamp(26px,3.4vw,44px);
  line-height:1.2;letter-spacing:.01em;margin-bottom:18px;
}
.footer-desc{color:rgba(255,255,255,.55);font-size:14px;max-width:30em;}
.footer-col h4{
  color:#fff;font-size:13px;letter-spacing:.18em;text-transform:uppercase;
  margin-bottom:16px;font-weight:600;
}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:rgba(255,255,255,.62);font-size:14.5px;}
.footer-col a:hover{color:var(--lime);}
.footer-line{border-color:var(--line-dark);margin:44px 0 26px;opacity:1;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;
  font-size:12.5px;color:rgba(255,255,255,.42);letter-spacing:.04em;
}

/* ---------- Motion ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity 520ms ease,transform 520ms ease;}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
  .reveal{opacity:1;transform:none;}
  .progress-bar{width:var(--w,0%)!important;}
}

/* ---------- Responsive ---------- */
@media (max-width:1200px){
  .hero-grid{grid-template-columns:1fr 1fr;gap:40px;}
  .hero-figure img{height:400px;}
  .container-x{padding:0 22px;}
}
@media (max-width:992px){
  .nav-list,.nav-cta{display:none;}
  .burger{display:inline-flex;align-items:center;justify-content:center;}
  .section{padding:68px 0;}
  .hero{padding:52px 0 64px;}
  .hero-grid{grid-template-columns:1fr;}
  .hero-visual{order:-1;}
  .hero-figure img{height:300px;}
  .hero-chip{left:auto;right:14px;bottom:14px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .stat-cell:nth-child(2n){border-right:0;}
  .stat-cell:nth-child(1),.stat-cell:nth-child(2){border-bottom:1px solid var(--line);}
  .step{grid-template-columns:56px 1fr;gap:18px;}
  .step-no{font-size:24px;}
  .aside-card{position:static;margin-top:32px;}
  .dash{padding:40px 28px;}
  .dash-side{border-left:0;border-top:1px solid var(--line-dark);padding-left:0;padding-top:28px;margin-top:28px;}
  .entry-panel{grid-template-columns:1fr;}
  .entry-left,.entry-form{padding:36px 28px;}
  .entry-form{border-left:0;border-top:1px solid var(--line);}
  .news-layout{grid-template-columns:1fr;gap:32px;}
  .cta-band{grid-template-columns:1fr;padding:40px 30px;}
  .cta-band .btn-lime{justify-self:start;}
  .footer-brand{margin-top:8px;}
}
@media (max-width:576px){
  body{font-size:16px;}
  .container-x{padding:0 18px;}
  .section{padding:50px 0;}
  .hero h1{font-size:34px;}
  .hero-sub{font-size:15.5px;}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;justify-content:center;}
  .rail{grid-auto-columns:minmax(248px,86%);}
  .step{grid-template-columns:1fr;gap:8px;}
  .step-no small{display:inline;margin-left:8px;}
  .dash{padding:30px 20px;}
  .news-item{grid-template-columns:1fr;gap:6px;}
  .accordion-button{font-size:15.5px;padding-right:34px;}
  .accordion-body{padding-left:0;}
  .footer-bottom{flex-direction:column;}
  .hero-chip{position:static;margin-top:16px;box-shadow:none;}
}

/* roulang page: article */
:root{
  --paper:#F6F2E9;
  --paper-2:#FBFAF6;
  --ink:#141613;
  --ink-soft:#5E5A50;
  --line:#D8D1C3;
  --line-soft:rgba(20,22,19,.09);
  --green:#245C4A;
  --lime:#C7F45A;
  --cinnabar:#E35D32;
  --dark:#11130F;
  --r-sm:2px;
  --r-md:6px;
  --shadow-1:0 22px 48px -32px rgba(20,22,19,.5);
  --shadow-2:0 10px 26px -20px rgba(20,22,19,.42);
  --t:220ms cubic-bezier(.22,.61,.36,1);
  --maxw:1280px;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --serif:"Songti SC","STSong","Noto Serif SC","Times New Roman",serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--green);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;}
p{margin:0;}
ul,ol{margin:0;}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:2px;}

.container-x{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 32px;
}

/* ---------- read progress ---------- */
.read-progress{position:fixed;top:0;left:0;right:0;height:2px;z-index:1050;background:transparent;pointer-events:none;}
.read-progress span{display:block;height:100%;width:0;background:var(--green);transition:width 80ms linear;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(246,242,233,.94);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  min-height:78px;
}
.brand{
  font-family:var(--serif);
  font-size:21px;
  font-weight:700;
  letter-spacing:.02em;
  color:var(--ink);
  white-space:nowrap;
  line-height:1.2;
}
.brand:hover{color:var(--ink);}
.brand-dot{display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--cinnabar);margin-left:6px;vertical-align:middle;}
.nav-list{display:flex;align-items:center;gap:34px;list-style:none;margin:0;padding:0;}
.nav-list a{
  position:relative;
  display:inline-block;
  font-size:15px;
  color:var(--ink-soft);
  padding:6px 0;
  transition:color var(--t);
}
.nav-list a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:var(--green);transform:scaleX(0);transform-origin:left;
  transition:transform var(--t);
}
.nav-list a:hover{color:var(--ink);}
.nav-list a:hover::after{transform:scaleX(1);}
.nav-list a.active{color:var(--ink);font-weight:600;}
.nav-list a.active::after{transform:scaleX(1);}
.nav-list a.active::before{
  content:"";position:absolute;left:-13px;top:50%;width:4px;height:4px;border-radius:50%;
  background:var(--cinnabar);transform:translateY(-50%);
}
.header-actions{display:flex;align-items:center;gap:14px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-size:15px;font-weight:600;line-height:1;
  padding:15px 24px;border-radius:var(--r-sm);
  border:1px solid transparent;cursor:pointer;
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
}
.btn .arrow{transition:transform var(--t);font-size:13px;line-height:1;}
.btn:hover .arrow{transform:translateX(4px);}
.btn-primary-x{background:var(--ink);color:var(--paper);border-color:var(--ink);}
.btn-primary-x:hover{background:var(--green);border-color:var(--green);color:#fff;}
.btn-ghost-x{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-ghost-x:hover{background:var(--paper-2);border-color:var(--green);color:var(--green);}
.btn-sm-x{padding:11px 18px;font-size:14px;}
.btn-lime{background:var(--lime);color:var(--dark);border-color:var(--lime);}
.btn-lime:hover{background:var(--paper);border-color:var(--paper);color:var(--dark);}

/* ---------- mobile nav ---------- */
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:38px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:transparent;cursor:pointer;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:1px;background:var(--ink);transition:background var(--t);}
.nav-toggle:hover span{background:var(--green);}
.mobile-nav{
  position:fixed;inset:0;z-index:1100;background:var(--paper);
  transform:translateY(-100%);transition:transform 300ms cubic-bezier(.22,.61,.36,1);
  display:flex;flex-direction:column;padding:26px 24px 40px;overflow-y:auto;
}
.mobile-nav.is-open{transform:translateY(0);}
.mobile-nav-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:22px;border-bottom:1px solid var(--line);}
.mobile-nav-head .brand-sm{font-family:var(--serif);font-size:18px;font-weight:700;}
.mobile-close{background:transparent;border:1px solid var(--line);border-radius:var(--r-sm);padding:8px 14px;font-size:14px;color:var(--ink-soft);cursor:pointer;}
.mobile-close:hover{color:var(--green);border-color:var(--green);}
.mobile-nav ul{list-style:none;margin:0;padding:0;}
.mobile-nav ul li{border-bottom:1px solid var(--line);}
.mobile-nav ul li a{display:block;padding:20px 2px;font-size:22px;font-family:var(--serif);font-weight:600;color:var(--ink);}
.mobile-nav ul li a:hover,.mobile-nav ul li a.active{color:var(--green);}

/* ---------- breadcrumb ---------- */
.crumbs{padding:26px 0 0;}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:10px;list-style:none;margin:0;padding:0;font-size:13px;color:var(--ink-soft);}
.crumbs li{display:flex;align-items:center;gap:10px;}
.crumbs li+li::before{content:"›";color:var(--line);font-size:14px;}
.crumbs a{color:var(--ink-soft);}
.crumbs a:hover{color:var(--green);}
.crumbs .current{color:var(--ink);}

/* ---------- article hero ---------- */
.article-hero{padding:34px 0 54px;border-bottom:1px solid var(--line);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--green);border:1px solid rgba(36,92,74,.3);
  border-radius:999px;padding:6px 14px;margin-bottom:22px;
}
.article-hero h1{
  font-family:var(--serif);
  font-size:clamp(32px,4.6vw,58px);
  line-height:1.14;
  font-weight:700;
  letter-spacing:.005em;
  max-width:16em;
  margin:0 0 22px;
}
.hero-lede{
  max-width:44em;
  font-size:17px;
  line-height:1.9;
  color:var(--ink-soft);
}
.hero-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px 26px;
  margin-top:30px;padding-top:22px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-soft);
}
.hero-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line);}
.hero-meta strong{color:var(--ink);font-weight:600;}

/* ---------- cover ---------- */
.cover-wrap{padding:44px 0 0;}
.cover-frame{
  position:relative;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;background:var(--paper-2);box-shadow:var(--shadow-2);
}
.cover-frame img{width:100%;aspect-ratio:21/9;object-fit:cover;transition:transform 600ms cubic-bezier(.22,.61,.36,1);}
.cover-frame:hover img{transform:scale(1.02);}
.cover-cap{font-size:12.5px;color:var(--ink-soft);padding:12px 2px 0;}

/* ---------- article body ---------- */
.article-section{padding:56px 0 0;}
.article-body{
  max-width:780px;
  font-size:17px;
  line-height:1.92;
  color:#25271F;
}
.article-body > *:first-child{margin-top:0;}
.article-body > * + *{margin-top:1.3em;}
.article-body h2{
  font-family:var(--serif);
  font-size:clamp(23px,2.6vw,31px);
  line-height:1.34;
  margin-top:2.5em;
  padding-left:16px;
  border-left:2px solid var(--green);
  color:var(--ink);
}
.article-body h3{
  font-size:20px;line-height:1.5;font-weight:700;
  margin-top:2.1em;color:var(--ink);
}
.article-body h4{font-size:17px;margin-top:1.8em;color:var(--ink);}
.article-body p{color:#2B2D27;}
.article-body a{color:var(--green);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
.article-body a:hover{color:var(--cinnabar);}
.article-body ul,.article-body ol{padding-left:1.35em;color:#2B2D27;}
.article-body li + li{margin-top:.55em;}
.article-body strong{font-weight:700;color:var(--ink);}
.article-body blockquote{
  margin:2em 0;padding:18px 24px;
  border-left:2px solid var(--green);
  background:var(--paper-2);
  color:var(--ink-soft);
  font-size:16px;
}
.article-body blockquote p{margin:0;color:inherit;}
.article-body figure{margin:2em 0;}
.article-body figcaption{font-size:12.5px;color:var(--ink-soft);margin-top:10px;}
.article-body img{border:1px solid var(--line);border-radius:var(--r-md);height:auto;}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:2em 0;}
.article-body th,.article-body td{border-bottom:1px solid var(--line);padding:11px 12px;text-align:left;vertical-align:top;}
.article-body th{background:var(--paper-2);font-weight:600;color:var(--ink);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0;}
.article-body code{background:var(--paper-2);border:1px solid var(--line);border-radius:2px;padding:1px 6px;font-size:.9em;}

/* ---------- rail ---------- */
.article-rail{position:sticky;top:104px;display:flex;flex-direction:column;gap:20px;}
.rail-card{
  border:1px solid var(--line);border-radius:var(--r-md);
  background:var(--paper-2);padding:24px 22px;
  transition:border-color var(--t),transform var(--t),box-shadow var(--t);
}
.rail-card:hover{border-color:rgba(36,92,74,.45);box-shadow:var(--shadow-2);transform:translateY(-2px);}
.rail-title{
  font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--ink-soft);margin-bottom:16px;font-weight:600;
}
.rail-meta{list-style:none;margin:0;padding:0;font-size:14px;}
.rail-meta li{display:flex;justify-content:space-between;gap:14px;padding:9px 0;border-bottom:1px dashed var(--line);}
.rail-meta li:last-child{border-bottom:0;padding-bottom:0;}
.rail-meta span:first-child{color:var(--ink-soft);}
.rail-meta span:last-child{color:var(--ink);font-weight:600;text-align:right;}
.rail-links{list-style:none;margin:0;padding:0;}
.rail-links li + li{margin-top:2px;}
.rail-links a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:11px 0;font-size:15px;color:var(--ink);
  border-bottom:1px solid var(--line-soft);
  transition:color var(--t),padding-left var(--t);
}
.rail-links li:last-child a{border-bottom:0;}
.rail-links a:hover{color:var(--green);padding-left:5px;}
.rail-links a i{font-style:normal;color:var(--line);transition:color var(--t);}
.rail-links a:hover i{color:var(--green);}
.rail-cta{background:var(--dark);border-color:var(--dark);}
.rail-cta:hover{border-color:var(--dark);}
.rail-cta .rail-title{color:rgba(255,255,255,.55);}
.rail-cta p{color:rgba(255,255,255,.78);font-size:14px;line-height:1.85;margin-bottom:18px;}
.rail-cta .btn{width:100%;justify-content:space-between;}

/* ---------- empty state ---------- */
.empty-state{
  border:1px solid var(--line);border-radius:var(--r-md);
  background:var(--paper-2);padding:52px 32px;text-align:center;
  min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
}
.empty-title{font-family:var(--serif);font-size:24px;font-weight:700;color:var(--ink);}
.empty-desc{font-size:15px;color:var(--ink-soft);max-width:32em;}

/* ---------- related ---------- */
.related{padding:76px 0 0;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:34px;}
.section-head h2{font-family:var(--serif);font-size:clamp(24px,3vw,34px);line-height:1.25;}
.section-head p{font-size:15px;color:var(--ink-soft);max-width:36em;}
.related-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.related-item{
  display:flex;flex-direction:column;
  border:1px solid var(--line);border-radius:var(--r-md);background:var(--paper-2);
  overflow:hidden;
  transition:transform var(--t),border-color var(--t),box-shadow var(--t);
}
.related-item:hover{transform:translateY(-3px);border-color:rgba(36,92,74,.45);box-shadow:var(--shadow-2);color:var(--ink);}
.related-item img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.related-body{padding:22px 22px 26px;display:flex;flex-direction:column;gap:10px;}
.tag{
  display:inline-flex;align-items:center;
  font-size:11.5px;letter-spacing:.1em;
  color:var(--green);border:1px solid rgba(36,92,74,.3);
  border-radius:999px;padding:4px 11px;align-self:flex-start;
}
.related-body h3{font-size:17px;line-height:1.55;font-weight:700;color:var(--ink);}
.related-body p{font-size:14px;line-height:1.8;color:var(--ink-soft);}

/* ---------- cta band ---------- */
.cta-band{padding:84px 0;}
.cta-inner{
  position:relative;
  background:var(--dark);color:#fff;
  border-radius:var(--r-md);overflow:hidden;
  padding:56px 56px;
  display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;
}
.cta-inner::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;
  border:1px solid rgba(255,255,255,.10);border-radius:50%;pointer-events:none;
}
.cta-inner h2{font-family:var(--serif);font-size:clamp(26px,3.2vw,38px);line-height:1.24;color:#fff;margin-bottom:16px;}
.cta-inner p{color:rgba(255,255,255,.72);font-size:15.5px;line-height:1.9;max-width:34em;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;position:relative;z-index:1;}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.78);padding:76px 0 34px;margin-top:0;}
.footer-brand{
  font-family:var(--serif);font-size:clamp(24px,3vw,34px);font-weight:700;color:#fff;
  line-height:1.25;margin-bottom:18px;
}
.footer-desc{font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.62);max-width:34em;}
.footer-col h4{
  font-size:12px;letter-spacing:.18em;text-transform:uppercase;
  color:rgba(255,255,255,.45);margin-bottom:18px;font-weight:600;
}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li + li{margin-top:11px;}
.footer-col a{font-size:14.5px;color:rgba(255,255,255,.78);}
.footer-col a:hover{color:var(--lime);}
.footer-line{border:0;border-top:1px solid rgba(255,255,255,.16);margin:52px 0 24px;opacity:1;}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:12.5px;color:rgba(255,255,255,.5);}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .nav-list{gap:26px;}
  .article-rail{top:96px;}
}
@media (max-width:991.98px){
  .nav-list,.header-actions .btn{display:none;}
  .nav-toggle{display:inline-flex;}
  .article-rail{position:static;margin-top:44px;}
  .cta-inner{grid-template-columns:1fr;padding:44px 34px;gap:28px;}
  .cta-actions{justify-content:flex-start;}
  .related-list{grid-template-columns:1fr 1fr;}
}
@media (max-width:767.98px){
  .container-x{padding:0 22px;}
  .header-inner{min-height:70px;gap:16px;}
  .brand{font-size:17px;white-space:normal;max-width:9.5em;line-height:1.3;}
  .article-hero{padding:24px 0 40px;}
  .hero-lede{font-size:16px;}
  .hero-meta{gap:10px 18px;font-size:12.5px;}
  .article-section{padding:40px 0 0;}
  .article-body{font-size:16.5px;}
  .cover-wrap{padding:32px 0 0;}
  .cover-frame img{aspect-ratio:16/9;}
  .related{padding:56px 0 0;}
  .related-list{grid-template-columns:1fr;gap:18px;}
  .cta-band{padding:60px 0;}
  .cta-inner{padding:36px 24px;}
  .cta-actions .btn{width:100%;justify-content:space-between;}
  .site-footer{padding:56px 0 28px;}
}
@media (max-width:520px){
  .container-x{padding:0 18px;}
  .article-hero h1{font-size:30px;line-height:1.2;}
  .empty-state{padding:40px 20px;}
  .footer-bottom{flex-direction:column;}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
    --paper:#F6F2E9;
    --paper-2:#FBFAF6;
    --ink:#141613;
    --ink-soft:#5E5A50;
    --line:#D8D1C3;
    --line-strong:#C4BBA9;
    --line-dark:rgba(255,255,255,.18);
    --celadon:#245C4A;
    --lime:#C7F45A;
    --cinnabar:#E35D32;
    --dark:#11130F;
    --radius:4px;
    --radius-lg:6px;
    --shadow-soft:0 24px 56px -34px rgba(20,22,19,.55);
    --font-sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
    --font-display:"Songti SC","STSong","Noto Serif SC","Source Han Serif SC",Georgia,serif;
    --ease:cubic-bezier(.4,.2,.2,1);
    --space-section:100px;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--paper);
    color:var(--ink);
    font-family:var(--font-sans);
    font-size:16.5px;
    line-height:1.85;
    letter-spacing:.01em;
    -webkit-font-smoothing:antialiased;
    -moz-osx-font-smoothing:grayscale;
  }
  img{max-width:100%;display:block;}
  a{color:var(--ink);text-decoration:none;transition:color .22s var(--ease);}
  a:hover{color:var(--celadon);}
  a:focus-visible,button:focus-visible,.accordion-button:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:2px;}
  h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;}
  p{margin:0;}
  ul,ol{margin:0;padding:0;list-style:none;}
  hr{border:0;border-top:1px solid var(--line);margin:0;}
  ::selection{background:var(--lime);color:var(--ink);}

  .container-x{width:100%;max-width:1280px;margin:0 auto;padding:0 28px;}
  .section{padding:var(--space-section) 0;}
  .section-tight{padding:72px 0;}
  .section-alt{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
  .section-dark{background:var(--dark);color:var(--paper);}

  .eyebrow{
    display:inline-flex;align-items:center;gap:12px;
    font-size:12px;letter-spacing:.24em;text-transform:uppercase;
    color:var(--ink-soft);font-weight:500;
  }
  .eyebrow::before{content:"";width:34px;height:1px;background:var(--line-strong);}
  .section-dark .eyebrow{color:rgba(246,242,233,.6);}
  .section-dark .eyebrow::before{background:rgba(255,255,255,.3);}

  .h2-title{font-family:var(--font-display);font-size:clamp(26px,3.1vw,40px);line-height:1.24;letter-spacing:.01em;}
  .lead-text{color:var(--ink-soft);font-size:16px;line-height:1.95;max-width:38em;}
  .section-dark .lead-text{color:rgba(246,242,233,.7);}

  /* ============ 导航 ============ */
  .site-header{
    position:sticky;top:0;z-index:1035;
    background:rgba(246,242,233,.94);
    backdrop-filter:saturate(140%) blur(12px);
    border-bottom:1px solid var(--line);
  }
  .header-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;min-height:84px;}
  .brand{
    font-family:var(--font-display);
    font-size:19px;font-weight:700;line-height:1.28;letter-spacing:.02em;
    color:var(--ink);max-width:240px;
  }
  .brand:hover{color:var(--celadon);}
  .brand span{
    display:block;margin-top:6px;
    font-family:var(--font-sans);font-size:10.5px;font-weight:400;
    letter-spacing:.24em;color:var(--ink-soft);
  }
  .nav-list{display:flex;align-items:center;gap:40px;}
  .nav-list a{
    position:relative;display:inline-block;
    padding:8px 0;font-size:15px;color:var(--ink-soft);
    transition:color .22s var(--ease);
  }
  .nav-list a::after{
    content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
    background:var(--celadon);transform:scaleX(0);transform-origin:left;
    transition:transform .24s var(--ease);
  }
  .nav-list a:hover{color:var(--ink);}
  .nav-list a:hover::after{transform:scaleX(1);}
  .nav-list a.active{color:var(--ink);font-weight:600;}
  .nav-list a.active::after{transform:scaleX(1);}
  .nav-list a.active::before{
    content:"";position:absolute;left:-13px;top:50%;
    width:4px;height:4px;border-radius:50%;background:var(--lime);
    transform:translateY(-50%);
  }
  .nav-toggle{
    display:none;align-items:center;justify-content:center;flex-direction:column;gap:5px;
    width:44px;height:44px;border:1px solid var(--line-strong);border-radius:var(--radius);
    background:transparent;transition:border-color .22s var(--ease);
  }
  .nav-toggle span{display:block;width:18px;height:1px;background:var(--ink);}
  .nav-toggle:hover{border-color:var(--celadon);}

  .drawer{background:var(--paper)!important;width:min(88vw,392px)!important;border-left:1px solid var(--line);}
  .drawer .offcanvas-header{padding:26px 26px 20px;border-bottom:1px solid var(--line);align-items:flex-start;}
  .drawer .offcanvas-title{font-family:var(--font-display);font-size:18px;line-height:1.32;max-width:220px;}
  .drawer-close{
    background:transparent;border:1px solid var(--line-strong);border-radius:var(--radius);
    width:36px;height:36px;font-size:18px;line-height:1;color:var(--ink-soft);
    transition:color .2s var(--ease),border-color .2s var(--ease);
  }
  .drawer-close:hover{color:var(--celadon);border-color:var(--celadon);}
  .drawer .offcanvas-body{padding:10px 26px 32px;}
  .drawer-nav li{border-bottom:1px solid var(--line);}
  .drawer-nav a{display:block;padding:20px 0;font-size:19px;color:var(--ink);}
  .drawer-nav a.active{color:var(--celadon);font-weight:600;}
  .drawer-note{margin-top:26px;font-size:12.5px;color:var(--ink-soft);line-height:1.9;}

  /* ============ 按钮 ============ */
  .btn-lang{
    display:inline-flex;align-items:center;justify-content:center;gap:12px;
    font-family:var(--font-sans);font-size:15px;font-weight:600;
    padding:14px 26px;border-radius:var(--radius);border:1px solid var(--ink);
    background:var(--ink);color:var(--paper);cursor:pointer;
    transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
  }
  .btn-lang .arrow{transition:transform .22s var(--ease);}
  .btn-lang:hover{background:var(--celadon);border-color:var(--celadon);color:#fff;}
  .btn-lang:hover .arrow{transform:translateX(4px);}
  .btn-ghost-lang{
    display:inline-flex;align-items:center;justify-content:center;gap:12px;
    font-family:var(--font-sans);font-size:15px;font-weight:600;
    padding:14px 26px;border-radius:var(--radius);border:1px solid var(--line-strong);
    background:transparent;color:var(--ink);cursor:pointer;
    transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
  }
  .btn-ghost-lang:hover{background:var(--paper-2);border-color:var(--celadon);color:var(--celadon);}
  .btn-lime{
    display:inline-flex;align-items:center;justify-content:center;gap:12px;
    font-size:15px;font-weight:600;padding:14px 26px;border-radius:var(--radius);
    background:var(--lime);color:var(--dark);border:1px solid var(--lime);cursor:pointer;
    transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
  }
  .btn-lime:hover{background:var(--paper);border-color:var(--paper);color:var(--dark);}
  .btn-lime .arrow{transition:transform .22s var(--ease);}
  .btn-lime:hover .arrow{transform:translateX(4px);}

  /* ============ 标签 ============ */
  .tag{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12px;letter-spacing:.08em;color:var(--ink-soft);
    border:1px solid var(--line-strong);border-radius:999px;
    padding:5px 14px;line-height:1.6;background:transparent;
  }
  .tag-celadon{color:var(--celadon);border-color:rgba(36,92,74,.4);}
  .tag-cinnabar{color:var(--cinnabar);border-color:rgba(227,93,50,.4);}
  .tag-dark{color:rgba(246,242,233,.8);border-color:rgba(255,255,255,.26);}

  /* ============ 面包屑 ============ */
  .crumb{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--ink-soft);}
  .crumb a{color:var(--ink-soft);}
  .crumb a:hover{color:var(--celadon);}
  .crumb .sep{color:var(--line-strong);}
  .crumb .now{color:var(--ink);font-weight:600;}

  /* ============ Hero ============ */
  .page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);padding:64px 0 76px;}
  .page-hero::before{
    content:"";position:absolute;inset:0;
    background-image:url('/assets/images/backpic/back-2.webp');
    background-size:cover;background-position:center right;
    opacity:.16;
  }
  .page-hero::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(100deg,rgba(246,242,233,.97) 0%,rgba(246,242,233,.9) 46%,rgba(246,242,233,.55) 100%);
  }
  .page-hero .container-x{position:relative;z-index:1;}
  .hero-grid{row-gap:52px;}
  .hero-title{
    font-family:var(--font-display);
    font-size:clamp(34px,4.5vw,62px);
    line-height:1.1;letter-spacing:.01em;
    margin:22px 0 0;
  }
  .hero-sub{
    margin-top:24px;max-width:34em;color:var(--ink-soft);
    font-size:17px;line-height:1.95;
  }
  .hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px;}
  .hero-figure{
    margin:0;background:var(--paper-2);border:1px solid var(--line);
    border-radius:var(--radius-lg);padding:12px;box-shadow:var(--shadow-soft);
  }
  .hero-figure img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;border-radius:2px;border:1px solid var(--line);}
  .hero-figure figcaption{
    margin-top:12px;padding:0 4px 2px;
    font-size:12.5px;color:var(--ink-soft);letter-spacing:.04em;
  }

  /* ============ 阶段速览 ============ */
  .phase-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);margin-top:44px;}
  .phase-cell{
    padding:28px 26px 30px;border-bottom:1px solid var(--line);
    border-right:1px solid var(--line);
    transition:background .24s var(--ease),transform .24s var(--ease);
  }
  .phase-cell:first-child{padding-left:0;}
  .phase-cell:last-child{border-right:0;}
  .phase-cell:hover{background:var(--paper-2);}
  .phase-num{font-family:var(--font-display);font-size:13px;letter-spacing:.18em;color:var(--celadon);}
  .phase-name{font-size:18px;font-weight:700;margin-top:14px;}
  .phase-desc{font-size:13.5px;color:var(--ink-soft);line-height:1.85;margin-top:10px;}

  /* ============ 步骤详解 ============ */
  .steps-col{padding-right:8px;}
  .step-item{
    display:grid;grid-template-columns:58px minmax(0,1fr) 200px;gap:26px;
    padding:34px 0;border-top:1px solid var(--line);align-items:start;
  }
  .step-item:first-child{border-top:0;padding-top:6px;}
  .step-index{
    font-family:var(--font-display);font-size:30px;line-height:1;
    color:var(--celadon);letter-spacing:.02em;
  }
  .step-title{font-size:20px;line-height:1.5;font-weight:700;}
  .step-body{margin-top:12px;font-size:15.5px;color:var(--ink-soft);line-height:1.95;}
  .step-note{
    font-size:12.5px;line-height:1.85;color:var(--ink-soft);
    border-left:1px solid var(--line-strong);padding-left:14px;
  }
  .step-note b{display:block;color:var(--ink);font-size:12px;letter-spacing:.12em;margin-bottom:6px;font-weight:600;}

  .sticky-card{
    position:sticky;top:112px;
    background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-lg);
    padding:28px;box-shadow:var(--shadow-soft);
  }
  .sticky-card img{
    width:100%;aspect-ratio:16/10;object-fit:cover;
    border-radius:2px;border:1px solid var(--line);margin-bottom:22px;
  }
  .sticky-card h3{font-size:18px;line-height:1.5;}
  .sticky-list{margin-top:18px;}
  .sticky-list li{
    position:relative;padding-left:18px;font-size:14px;color:var(--ink-soft);
    line-height:1.9;margin-bottom:12px;
  }
  .sticky-list li::before{
    content:"";position:absolute;left:0;top:12px;
    width:5px;height:5px;border-radius:50%;background:var(--celadon);
  }
  .sticky-foot{
    margin-top:22px;padding-top:20px;border-top:1px solid var(--line);
    font-size:12px;color:var(--ink-soft);line-height:1.85;
  }
  .sticky-card .btn-lang{width:100%;margin-top:22px;}

  /* ============ 进度仪表盘 ============ */
  .dash-head{display:flex;flex-wrap:wrap;justify-content:space-between;gap:24px;align-items:flex-end;}
  .dash-grid{margin-top:56px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:40px 64px;}
  .dash-row{border-top:1px solid var(--line-dark);padding-top:20px;}
  .dash-row-top{display:flex;align-items:baseline;justify-content:space-between;gap:16px;}
  .dash-row-name{font-size:16px;font-weight:600;color:var(--paper);}
  .dash-row-val{font-family:var(--font-display);font-size:15px;color:rgba(246,242,233,.62);letter-spacing:.08em;}
  .track{position:relative;height:5px;background:rgba(255,255,255,.14);border-radius:99px;margin-top:18px;overflow:hidden;}
  .track .fill{
    position:relative;display:block;height:100%;width:0;border-radius:99px;
    background:var(--celadon);
    transition:width 1s var(--ease);
  }
  .track .fill::after{
    content:"";position:absolute;right:0;top:50%;transform:translate(50%,-50%);
    width:8px;height:8px;border-radius:50%;background:rgba(199,244,90,.72);
  }
  .dash-note{margin-top:14px;font-size:12.5px;color:rgba(246,242,233,.5);line-height:1.85;}
  .dash-status{font-size:11.5px;letter-spacing:.1em;border:1px solid rgba(255,255,255,.24);border-radius:999px;padding:3px 11px;color:rgba(246,242,233,.8);}
  .dash-status.is-done{color:var(--lime);border-color:rgba(199,244,90,.45);}
  .dash-status.is-live{color:var(--ink);background:var(--lime);border-color:var(--lime);}

  /* ============ 规则列表 ============ */
  .rule-list{border-top:1px solid var(--line);margin-top:36px;}
  .rule-item{
    display:grid;grid-template-columns:36px minmax(0,1fr);gap:18px;
    padding:24px 0;border-bottom:1px solid var(--line);
    transition:background .22s var(--ease);
  }
  .rule-item:hover{background:rgba(251,250,246,.85);}
  .rule-item .mark{
    font-family:var(--font-display);font-size:14px;color:var(--cinnabar);
    letter-spacing:.1em;padding-top:3px;
  }
  .rule-item h3{font-size:16.5px;line-height:1.6;}
  .rule-item p{margin-top:8px;font-size:14.5px;color:var(--ink-soft);line-height:1.9;}

  /* ============ FAQ ============ */
  .faq-acc{counter-reset:faq;border-top:1px solid var(--line);margin-top:34px;}
  .faq-acc .accordion-item{counter-increment:faq;background:transparent;border:0;border-bottom:1px solid var(--line);border-radius:0;}
  .faq-acc .accordion-button{
    background:transparent;border:0;border-radius:0!important;
    padding:26px 46px 26px 52px;position:relative;
    font-family:var(--font-sans);font-size:17.5px;font-weight:600;color:var(--ink);
    line-height:1.6;letter-spacing:.01em;
    box-shadow:none!important;
    transition:color .22s var(--ease);
  }
  .faq-acc .accordion-button:hover{color:var(--celadon);}
  .faq-acc .accordion-button::before{
    content:counter(faq,decimal-leading-zero);
    position:absolute;left:0;top:28px;
    font-family:var(--font-display);font-size:13PX;letter-spacing:.12em;color:var(--ink-soft);
  }
  .faq-acc .accordion-button::after{
    content:"+";background-image:none!important;
    position:absolute;right:6px;top:50%;transform:translateY(-50%);
    width:auto;height:auto;font-size:22px;font-weight:400;color:var(--ink-soft);
    line-height:1;margin:0;transition:color .22s var(--ease),transform .22s var(--ease);
  }
  .faq-acc .accordion-button:not(.collapsed)::after{content:"−";color:var(--celadon);transform:translateY(-50%) rotate(0deg);}
  .faq-acc .accordion-button:not(.collapsed){color:var(--celadon);background:transparent;}
  .faq-acc .accordion-body{
    padding:0 52px 30px 52px;
    font-size:15px;color:var(--ink-soft);line-height:1.95;
    background:transparent;
  }

  /* ============ CTA ============ */
  .cta-band{
    background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-lg);
    padding:56px 48px;
  }
  .cta-band h2{font-family:var(--font-display);font-size:clamp(24px,2.8vw,36px);line-height:1.26;}
  .cta-band p{margin-top:18px;color:var(--ink-soft);font-size:15.5px;line-height:1.95;max-width:34em;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}

  /* ============ 页脚 ============ */
  .site-footer{background:var(--dark);color:#EFEAE0;padding:78px 0 32px;}
  .footer-brand{
    font-family:var(--font-display);font-size:clamp(26px,3.1vw,40px);
    line-height:1.2;color:#F6F2E9;letter-spacing:.01em;
  }
  .footer-desc{
    margin-top:20px;max-width:520px;
    font-size:14.5px;line-height:1.95;color:rgba(246,242,233,.62);
  }
  .footer-col h4{
    font-size:11.5px;letter-spacing:.2em;font-weight:500;
    color:rgba(246,242,233,.45);margin-bottom:18px;
  }
  .footer-col li{margin-bottom:11px;}
  .footer-col a{font-size:14.5px;color:rgba(246,242,233,.82);}
  .footer-col a:hover{color:var(--lime);}
  .footer-line{border-top:1px solid rgba(255,255,255,.14);margin:46px 0 22px;}
  .footer-bottom{
    display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;
    font-size:12.5px;color:rgba(246,242,233,.45);line-height:1.8;
  }

  /* ============ 动效 ============ */
  .reveal{opacity:0;transform:translateY(14px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
  .reveal.is-in{opacity:1;transform:none;}

  @media (prefers-reduced-motion:reduce){
    html{scroll-behavior:auto;}
    *,*::before,*::after{transition-duration:.001ms!important;animation-duration:.001ms!important;}
    .reveal{opacity:1;transform:none;}
  }

  /* ============ 响应式 ============ */
  @media (max-width:1199.98px){
    :root{--space-section:84px;}
    .nav-list{gap:30px;}
    .step-item{grid-template-columns:52px minmax(0,1fr) 176px;gap:22px;}
  }
  @media (max-width:991.98px){
    :root{--space-section:72px;}
    .nav-list{display:none;}
    .nav-toggle{display:flex;}
    .brand{font-size:17.5px;max-width:200px;}
    .phase-grid{grid-template-columns:repeat(2,1fr);}
    .phase-cell{padding:24px 20px;}
    .phase-cell:nth-child(2n){border-right:0;}
    .phase-cell:nth-child(2n+1){padding-left:0;}
    .sticky-card{position:static;margin-top:12px;}
    .dash-grid{grid-template-columns:1fr;gap:32px;margin-top:40px;}
    .cta-band{padding:40px 30px;}
    .page-hero{padding:48px 0 56px;}
  }
  @media (max-width:767.98px){
    :root{--space-section:56px;}
    body{font-size:16px;}
    .container-x{padding:0 20px;}
    .header-inner{min-height:74px;}
    .hero-sub{font-size:16px;}
    .step-item{grid-template-columns:44px minmax(0,1fr);gap:16px;}
    .step-note{grid-column:1/-1;border-left:0;border-top:1px solid var(--line);padding:12px 0 0;}
    .faq-acc .accordion-button{padding:22px 40px 22px 44px;font-size:16px;}
    .faq-acc .accordion-button::before{top:24px;}
    .faq-acc .accordion-body{padding:0 0 26px 44px;}
    .footer-bottom{flex-direction:column;}
  }
  @media (max-width:575.98px){
    .phase-grid{grid-template-columns:1fr;}
    .phase-cell{border-right:0!important;padding:20px 0!important;}
    .hero-actions .btn-lang,.hero-actions .btn-ghost-lang,.cta-actions .btn-lang,.cta-actions .btn-ghost-lang{width:100%;}
    .cta-band{padding:32px 22px;}
    .sticky-card{padding:22px;}
    .hero-figure{padding:10px;}
  }

/* roulang page: category2 */
:root{
  --paper:#F6F2E9;
  --paper-2:#FBFAF6;
  --paper-3:#EFE9DC;
  --ink:#141613;
  --ink-soft:#5E5A50;
  --line:#D8D1C3;
  --line-strong:#C3BAA8;
  --green:#245C4A;
  --lime:#C7F45A;
  --cinnabar:#E35D32;
  --dark:#11130F;
  --r-sm:2px;
  --r-md:4px;
  --r-lg:6px;
  --shadow-soft:0 22px 54px -34px rgba(20,22,19,.5);
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  --serif:"Noto Serif SC","Songti SC","STSong","SimSun",Georgia,serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--green);}
a:focus-visible,button:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:var(--r-sm);}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;}
p{margin:0;}
ul{list-style:none;margin:0;padding:0;}
button{font-family:inherit;}
.container-x{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:var(--paper);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:32px;min-height:86px;
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--serif);font-size:19px;font-weight:700;
  letter-spacing:.02em;line-height:1.3;color:var(--ink);
}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:10px;height:10px;border-radius:50%;
  background:var(--green);flex:0 0 auto;
  box-shadow:0 0 0 3px rgba(36,92,74,.14);
}
.main-nav{margin-left:auto;}
.nav-list{display:flex;align-items:center;gap:34px;}
.nav-list a{
  position:relative;display:inline-block;
  font-size:15px;color:var(--ink-soft);
  padding:6px 0;transition:color .2s var(--ease);
}
.nav-list a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;
  background:var(--ink);transform:scaleX(0);transform-origin:left;
  transition:transform .24s var(--ease);
}
.nav-list a:hover{color:var(--green);}
.nav-list a:hover::after{transform:scaleX(1);background:var(--green);}
.nav-list a.active{color:var(--ink);font-weight:600;}
.nav-list a.active::after{transform:scaleX(1);}
.nav-list a.active::before{
  content:"";position:absolute;left:50%;bottom:-13px;
  width:4px;height:4px;border-radius:50%;background:var(--green);
  transform:translateX(-50%);
}
.header-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 20px;font-size:14px;font-weight:600;
  border:1px solid var(--ink);border-radius:var(--r-md);
  background:var(--ink);color:var(--paper-2);
  transition:background .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.header-cta:hover{background:var(--green);border-color:var(--green);color:#fff;transform:translateY(-1px);}
.header-cta .arw{transition:transform .2s var(--ease);}
.header-cta:hover .arw{transform:translateX(4px);}
.menu-btn{
  display:none;align-items:center;gap:9px;
  background:transparent;border:1px solid var(--line-strong);
  border-radius:var(--r-md);padding:9px 14px;font-size:14px;color:var(--ink);
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.menu-btn:hover{border-color:var(--green);color:var(--green);}
.menu-btn .bars{display:inline-flex;flex-direction:column;gap:4px;}
.menu-btn .bars i{display:block;width:16px;height:1px;background:currentColor;}

/* ---------- drawer ---------- */
.drawer{width:min(88vw,380px);background:var(--paper);border-left:1px solid var(--line);}
.drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:22px 24px;}
.drawer .drawer-title{font-family:var(--serif);font-size:16px;line-height:1.4;color:var(--ink);max-width:220px;}
.drawer .btn-close{opacity:.6;filter:none;}
.drawer-list{padding:10px 0;}
.drawer-list a{
  display:flex;align-items:center;justify-content:space-between;
  padding:19px 24px;border-bottom:1px solid var(--line);
  font-family:var(--serif);font-size:19px;color:var(--ink);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.drawer-list a:hover{background:var(--paper-3);color:var(--green);}
.drawer-list a.active{color:var(--green);}
.drawer-list a .dot{width:5px;height:5px;border-radius:50%;background:var(--green);opacity:0;}
.drawer-list a.active .dot{opacity:1;}
.drawer-note{padding:22px 24px;color:var(--ink-soft);font-size:13px;line-height:1.8;}

/* ---------- breadcrumb ---------- */
.crumb{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:12.5px;color:var(--ink-soft);letter-spacing:.02em;
}
.crumb a{color:var(--ink-soft);}
.crumb a:hover{color:var(--green);}
.crumb .sep{color:var(--line-strong);}
.crumb .current{color:var(--ink);}

/* ---------- hero ---------- */
.page-hero{padding:56px 0 82px;border-bottom:1px solid var(--line);}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;letter-spacing:.2em;color:var(--ink-soft);
  margin-bottom:20px;
}
.hero-eyebrow::before{content:"";width:30px;height:1px;background:var(--ink-soft);}
.page-hero h1{
  font-family:var(--serif);
  font-size:clamp(32px,4.6vw,62px);
  line-height:1.08;
  letter-spacing:.005em;
  margin:0 0 22px;
}
.hero-lead{
  color:var(--ink-soft);font-size:17px;line-height:1.9;
  max-width:34em;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}

.hero-figure{
  border:1px solid var(--line-strong);
  background:var(--paper-2);
  padding:12px;border-radius:var(--r-lg);
  box-shadow:var(--shadow-soft);
}
.hero-figure img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border:1px solid var(--line);border-radius:var(--r-sm);
}
.hero-figure figcaption{
  display:flex;justify-content:space-between;gap:12px;
  padding:14px 4px 2px;font-size:12.5px;color:var(--ink-soft);
}
.hero-figure figcaption .fig-id{font-family:var(--serif);color:var(--green);letter-spacing:.12em;}

/* ---------- common section ---------- */
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:36px;margin-bottom:44px;flex-wrap:wrap;}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;letter-spacing:.2em;color:var(--ink-soft);
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--ink-soft);}
.section-title{
  font-family:var(--serif);
  font-size:clamp(26px,3vw,38px);
  line-height:1.24;margin-top:14px;
}
.section-desc{color:var(--ink-soft);max-width:46em;margin-top:14px;font-size:16px;line-height:1.9;}
.section-aside{font-size:13px;color:var(--ink-soft);max-width:22em;line-height:1.8;}

/* ---------- tags ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;line-height:1;padding:7px 12px;
  border:1px solid var(--line-strong);border-radius:999px;
  color:var(--ink-soft);background:transparent;white-space:nowrap;
}
.tag--green{border-color:rgba(36,92,74,.38);color:var(--green);}
.tag--cinnabar{border-color:rgba(227,93,50,.42);color:var(--cinnabar);}
.tag--lime{background:var(--lime);border-color:var(--lime);color:var(--ink);}

/* ---------- buttons ---------- */
.btn-ink,.btn-ghost,.btn-lime{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 24px;font-size:15px;font-weight:600;
  border-radius:var(--r-md);border:1px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.btn-ink{background:var(--ink);color:var(--paper-2);border-color:var(--ink);}
.btn-ink .arw{transition:transform .2s var(--ease);}
.btn-ink:hover{background:var(--green);border-color:var(--green);color:#fff;}
.btn-ink:hover .arw{transform:translateX(4px);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:var(--paper-3);border-color:var(--green);color:var(--green);}
.btn-lime{background:var(--lime);color:var(--ink);border-color:var(--lime);}
.btn-lime:hover{background:var(--paper-2);border-color:var(--paper-2);color:var(--ink);}
.btn-lime .arw{transition:transform .2s var(--ease);}
.btn-lime:hover .arw{transform:translateX(4px);}

/* ---------- reward rail ---------- */
.rail-wrap{position:relative;}
.rail{
  display:flex;gap:22px;overflow-x:auto;padding:4px 4px 20px;
  scroll-snap-type:x mandatory;
  scrollbar-width:thin;scrollbar-color:var(--line-strong) transparent;
}
.rail::-webkit-scrollbar{height:6px;}
.rail::-webkit-scrollbar-track{background:transparent;}
.rail::-webkit-scrollbar-thumb{background:var(--line-strong);border-radius:99px;}
.reward-card{
  flex:0 0 auto;width:326px;scroll-snap-align:start;
  background:var(--paper-2);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.reward-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-soft);}
.reward-media{aspect-ratio:16/10;overflow:hidden;border-bottom:1px solid var(--line);}
.reward-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.reward-card:hover .reward-media img{transform:scale(1.03);}
.reward-body{padding:22px 22px 26px;}
.reward-num{
  font-family:var(--serif);font-size:13px;letter-spacing:.18em;
  color:var(--green);display:block;margin-bottom:10px;
}
.reward-body h3{font-size:18px;line-height:1.5;margin-bottom:10px;}
.reward-body p{color:var(--ink-soft);font-size:14.5px;line-height:1.8;margin-bottom:16px;}
.reward-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px solid var(--line);}
.reward-foot .meta{font-size:12.5px;color:var(--ink-soft);}

/* ---------- detail split ---------- */
.split-figure{
  border:1px solid var(--line-strong);background:var(--paper-2);
  padding:12px;border-radius:var(--r-lg);
}
.split-figure img{width:100%;aspect-ratio:4/5;object-fit:cover;border:1px solid var(--line);border-radius:var(--r-sm);}
.split-figure .cap{padding:14px 4px 2px;font-size:12.5px;color:var(--ink-soft);line-height:1.75;}

.spec-list li{
  display:grid;grid-template-columns:52px 1fr auto;gap:20px;
  align-items:start;padding:22px 0;border-top:1px solid var(--line);
}
.spec-list li:last-child{border-bottom:1px solid var(--line);}
.spec-list .idx{
  font-family:var(--serif);font-size:14px;color:var(--green);
  letter-spacing:.1em;padding-top:3px;
}
.spec-list h3{font-size:17.5px;line-height:1.55;margin-bottom:6px;}
.spec-list p{color:var(--ink-soft);font-size:14.5px;line-height:1.8;max-width:38em;}
.spec-list .state{padding-top:4px;}

/* ---------- dark progress block ---------- */
.dark-block{position:relative;background:var(--dark);color:#EFEBE1;overflow:hidden;}
.dark-block::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  opacity:.16;
}
.dark-block::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(17,19,15,.94),rgba(17,19,15,.72));
}
.dark-block > .container-x{position:relative;z-index:2;}
.dark-block .eyebrow{color:rgba(255,255,255,.62);}
.dark-block .eyebrow::before{background:rgba(255,255,255,.5);}
.dark-block .section-title{color:#F5F2E9;}
.dark-block .section-desc{color:rgba(255,255,255,.64);}
.dark-block .section-aside{color:rgba(255,255,255,.55);}

.progress-row{padding:24px 0;border-top:1px solid rgba(255,255,255,.16);}
.progress-row:first-child{border-top:0;padding-top:0;}
.progress-meta{display:flex;align-items:baseline;justify-content:space-between;gap:18px;margin-bottom:14px;flex-wrap:wrap;}
.progress-meta h3{font-size:17.5px;font-weight:600;color:#F5F2E9;margin:0;}
.progress-meta .val{font-family:var(--serif);font-size:15px;color:var(--lime);letter-spacing:.06em;}
.progress-meta .sub{display:block;font-size:13px;color:rgba(255,255,255,.55);margin-top:6px;font-weight:400;}
.dark-block .progress{
  height:5px;background:rgba(255,255,255,.14);border-radius:0;overflow:visible;
}
.dark-block .progress-bar{
  position:relative;background:var(--lime);border-radius:0;
  transition:width .9s var(--ease);
}
.dark-block .progress-bar::after{
  content:"";position:absolute;right:-1px;top:50%;transform:translateY(-50%);
  width:7px;height:7px;border-radius:50%;background:rgba(199,244,90,.55);
}
.state-chip{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12px;padding:6px 11px;border-radius:999px;
  border:1px solid rgba(255,255,255,.24);color:rgba(255,255,255,.78);
}
.state-chip i{display:block;width:5px;height:5px;border-radius:50%;background:var(--lime);}
.state-chip.is-wait i{background:var(--cinnabar);}

/* ---------- info lists & note ---------- */
.info-item{
  padding:22px 0;border-top:1px solid var(--line);
  display:grid;grid-template-columns:1fr;gap:6px;
}
.info-item:last-child{border-bottom:1px solid var(--line);}
.info-item h3{font-size:17px;line-height:1.55;}
.info-item p{color:var(--ink-soft);font-size:14.5px;line-height:1.8;max-width:40em;}
.note-card{
  background:var(--paper-2);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:28px 26px;
}
.note-card h3{font-size:16px;margin-bottom:12px;}
.note-card p{color:var(--ink-soft);font-size:14.5px;line-height:1.85;}
.note-card ul{margin-top:16px;}
.note-card li{
  position:relative;padding-left:16px;font-size:14px;color:var(--ink-soft);
  line-height:1.85;margin-bottom:8px;
}
.note-card li::before{
  content:"";position:absolute;left:0;top:.75em;
  width:5px;height:5px;border-radius:50%;background:var(--green);
}
.note-card .divider{height:1px;background:var(--line);margin:20px 0;}

/* ---------- faq ---------- */
.faq-side{position:sticky;top:110px;}
.faq-side h2{font-family:var(--serif);font-size:clamp(26px,2.6vw,34px);line-height:1.3;margin-top:14px;}
.faq-side p{color:var(--ink-soft);font-size:14.5px;line-height:1.85;margin-top:14px;max-width:24em;}
.faq-side .btn-ghost{margin-top:24px;}
.faq-index{margin-top:30px;border-top:1px solid var(--line);}
.faq-index a{
  display:flex;gap:12px;align-items:baseline;
  padding:13px 0;border-bottom:1px solid var(--line);
  font-size:14px;color:var(--ink-soft);
}
.faq-index a:hover{color:var(--green);}
.faq-index .n{font-family:var(--serif);font-size:12px;color:var(--green);letter-spacing:.1em;}

.accordion-item{background:transparent;border:0;border-top:1px solid var(--line);}
.accordion-item:last-child{border-bottom:1px solid var(--line);}
.accordion-header{margin:0;}
.accordion-button{
  background:transparent;color:var(--ink);
  font-family:var(--sans);font-size:17.5px;font-weight:600;
  padding:24px 0;box-shadow:none;border-radius:0;
  display:flex;align-items:center;gap:14px;
  transition:color .2s var(--ease);
}
.accordion-button .faq-idx{
  font-family:var(--serif);font-size:12.5px;letter-spacing:.14em;
  color:var(--green);flex:0 0 auto;
}
.accordion-button:not(.collapsed){color:var(--green);background:transparent;box-shadow:none;}
.accordion-button:hover{color:var(--green);}
.accordion-button:focus{box-shadow:none;border-color:transparent;}
.accordion-button:focus-visible{outline:2px solid var(--lime);outline-offset:4px;}
.accordion-button::after{
  background-image:none;content:"+";font-size:22px;line-height:1;
  width:auto;height:auto;margin-left:auto;transform:none;
  color:var(--ink-soft);display:flex;align-items:center;
}
.accordion-button:not(.collapsed)::after{background-image:none;content:"−";transform:none;color:var(--green);}
.accordion-body{
  padding:0 0 26px 0;color:var(--ink-soft);
  font-size:15.5px;line-height:1.9;max-width:46em;
}
.accordion-collapse.collapsing{transition:height .26s var(--ease);}

/* ---------- cta band ---------- */
.cta-band{background:var(--dark);color:#F2EEE4;padding:80px 0;}
.cta-band .eyebrow{color:rgba(255,255,255,.6);}
.cta-band .eyebrow::before{background:rgba(255,255,255,.5);}
.cta-band h2{
  font-family:var(--serif);font-size:clamp(26px,3.2vw,40px);
  line-height:1.24;color:#F5F2E9;margin-top:14px;max-width:16em;
}
.cta-band p{color:rgba(255,255,255,.66);font-size:15.5px;line-height:1.9;margin-top:16px;max-width:34em;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-note{font-size:12.5px;color:rgba(255,255,255,.45);margin-top:22px;line-height:1.8;max-width:36em;}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.4);color:#F2EEE4;}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.08);border-color:var(--lime);color:var(--lime);}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:#EDE9DF;padding:76px 0 34px;}
.footer-brand{
  font-family:var(--serif);font-size:clamp(24px,3vw,34px);
  line-height:1.28;color:#F5F2E9;
}
.footer-desc{
  color:rgba(255,255,255,.58);font-size:14.5px;line-height:1.9;
  margin-top:18px;max-width:40em;
}
.footer-col h4{
  font-size:13px;letter-spacing:.12em;font-weight:600;
  color:#F2EEE4;margin-bottom:18px;
}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{color:rgba(255,255,255,.6);font-size:14.5px;}
.footer-col a:hover{color:var(--lime);}
.footer-line{border:0;height:1px;background:rgba(255,255,255,.14);margin:52px 0 24px;opacity:1;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;
  font-size:12.5px;color:rgba(255,255,255,.42);line-height:1.8;
}

/* ---------- reveal motion ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .nav-list{gap:26px;}
  .reward-card{width:300px;}
}
@media (max-width:991.98px){
  .main-nav{display:none;}
  .header-cta{display:none;}
  .menu-btn{display:inline-flex;}
  .header-inner{min-height:76px;gap:16px;}
  .page-hero{padding:40px 0 60px;}
  .hero-lead{font-size:16px;}
  .hero-figure{margin-top:36px;}
  .section{padding:72px 0;}
  .section--tight{padding:56px 0;}
  .section-head{margin-bottom:32px;}
  .split-figure img{aspect-ratio:16/10;}
  .faq-side{position:static;margin-bottom:36px;}
  .cta-band{padding:64px 0;}
}
@media (max-width:767.98px){
  .brand{max-width:132px;font-size:16px;line-height:1.35;}
  .reward-card{width:272px;}
  .spec-list li{grid-template-columns:40px 1fr;gap:14px;}
  .spec-list .state{grid-column:2;padding-top:0;}
  .accordion-button{font-size:16px;padding:20px 0;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:575.98px){
  .container-x{padding:0 18px;}
  body{font-size:16px;}
  .page-hero{padding:30px 0 46px;}
  .hero-eyebrow{font-size:11px;letter-spacing:.16em;}
  .hero-tags{margin-top:22px;}
  .hero-actions{gap:10px;margin-top:26px;}
  .btn-ink,.btn-ghost,.btn-lime{padding:12px 18px;font-size:14.5px;width:100%;}
  .hero-actions .btn-ink,.hero-actions .btn-ghost{width:100%;}
  .cta-actions .btn-lime,.cta-actions .btn-ghost{width:100%;}
  .section{padding:56px 0;}
  .section--tight{padding:46px 0;}
  .reward-card{width:246px;}
  .reward-body{padding:18px 18px 22px;}
  .note-card{padding:22px 20px;}
  .site-footer{padding:56px 0 28px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category3 */
:root{
    --paper:#F6F2E9;
    --paper-2:#FBFAF6;
    --ink:#141613;
    --ink-2:#5E5A50;
    --line:#D8D1C3;
    --green:#245C4A;
    --lime:#C7F45A;
    --verm:#E35D32;
    --r-sm:2px;
    --r-md:4px;
    --r-lg:6px;
    --shadow-soft:0 26px 60px -42px rgba(20,22,19,.55);
    --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
    --serif:"Songti SC","STSong","Source Han Serif SC",Georgia,"Times New Roman",serif;
    --sec-y:104px;
  }

  *,*::before,*::after{box-sizing:border-box;}

  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}

  body{
    margin:0;
    background:var(--paper);
    color:var(--ink);
    font-family:var(--sans);
    font-size:16.5px;
    line-height:1.85;
    letter-spacing:.01em;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
  }

  img{max-width:100%;display:block;object-fit:cover;}
  a{color:var(--ink);text-decoration:none;transition:color .22s ease,opacity .22s ease;}
  a:hover{color:var(--green);}
  a:focus-visible,
  button:focus-visible,
  .accordion-button:focus-visible,
  input:focus-visible{
    outline:2px solid var(--lime);
    outline-offset:3px;
  }
  button{font-family:inherit;}
  h1,h2,h3,h4,h5{margin:0;font-weight:700;color:var(--ink);}
  p{margin:0;}
  ul{list-style:none;margin:0;padding:0;}

  .container-x{
    width:100%;
    max-width:1280px;
    margin-inline:auto;
    padding-inline:28px;
  }

  /* ============ Header ============ */
  .site-header{
    position:sticky;
    top:0;
    z-index:1030;
    background:rgba(246,242,233,.92);
    backdrop-filter:saturate(140%) blur(10px);
    -webkit-backdrop-filter:saturate(140%) blur(10px);
    border-bottom:1px solid var(--line);
  }
  .header-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:36px;
    min-height:82px;
  }
  .brand{
    display:inline-flex;
    align-items:center;
    gap:11px;
    font-weight:700;
    font-size:17px;
    letter-spacing:.03em;
    line-height:1.25;
    color:var(--ink);
    max-width:230px;
  }
  .brand:hover{color:var(--ink);}
  .brand-mark{
    width:11px;height:11px;flex:0 0 11px;
    border-radius:50%;
    background:var(--green);
    box-shadow:inset 0 0 0 3px var(--paper),0 0 0 1px var(--green);
  }
  .brand-text{display:block;}

  .nav-desktop{flex:1 1 auto;display:flex;justify-content:center;}
  .nav-list{
    display:flex;
    align-items:center;
    gap:38px;
  }
  .nav-list li a{
    position:relative;
    display:inline-block;
    padding:6px 0;
    font-size:15px;
    letter-spacing:.06em;
    color:var(--ink-2);
  }
  .nav-list li a::after{
    content:"";
    position:absolute;
    left:0;right:0;bottom:-2px;
    height:1px;
    background:var(--ink);
    transform:scaleX(0);
    transform-origin:left center;
    transition:transform .24s ease,background-color .24s ease;
  }
  .nav-list li a:hover{color:var(--ink);}
  .nav-list li a:hover::after{transform:scaleX(1);}
  .nav-list li a.active{color:var(--ink);font-weight:600;}
  .nav-list li a.active::after{background:var(--green);transform:scaleX(1);}
  .nav-list li a.active::before{
    content:"";
    position:absolute;
    left:-12px;top:50%;
    width:5px;height:5px;
    margin-top:-2.5px;
    border-radius:50%;
    background:var(--verm);
  }

  .header-actions{display:flex;align-items:center;gap:14px;}

  .nav-toggle{
    display:none;
    width:44px;height:44px;
    align-items:center;justify-content:center;
    background:transparent;
    border:1px solid var(--line);
    border-radius:var(--r-md);
    color:var(--ink);
    cursor:pointer;
    transition:border-color .22s ease,background-color .22s ease;
  }
  .nav-toggle:hover{border-color:var(--green);background:var(--paper-2);}

  /* ============ Buttons ============ */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:10px;
    border-radius:var(--r-md);
    border:1px solid transparent;
    font-size:15px;
    font-weight:600;
    letter-spacing:.04em;
    padding:14px 26px;
    cursor:pointer;
    transition:background-color .22s ease,color .22s ease,border-color .22s ease,transform .22s ease;
    white-space:nowrap;
  }
  .btn i{transition:transform .22s ease;}
  .btn:hover i.fa-arrow-right{transform:translateX(4px);}

  .btn-ink{background:var(--ink);color:var(--paper);border-color:var(--ink);}
  .btn-ink:hover{background:var(--green);border-color:var(--green);color:#fff;}

  .btn-line{background:transparent;color:var(--ink);border-color:var(--ink);}
  .btn-line:hover{background:var(--paper-2);border-color:var(--green);color:var(--green);}

  .btn-lime{background:var(--lime);color:var(--ink);border-color:var(--lime);}
  .btn-lime:hover{background:var(--paper);border-color:var(--paper);color:var(--ink);}

  .btn-sm{padding:10px 18px;font-size:14px;}

  /* ============ Drawer ============ */
  .drawer{
    position:fixed;
    inset:0;
    z-index:1050;
    background:var(--paper);
    padding:26px 26px 40px;
    display:flex;
    flex-direction:column;
    transform:translateY(-100%);
    opacity:0;
    visibility:hidden;
    transition:transform .3s ease,opacity .3s ease,visibility .3s;
  }
  .drawer.open{transform:translateY(0);opacity:1;visibility:visible;}
  .drawer-top{
    display:flex;align-items:center;justify-content:space-between;
    padding-bottom:22px;border-bottom:1px solid var(--line);
  }
  .drawer-brand{font-size:15px;font-weight:700;letter-spacing:.03em;}
  .drawer-close{
    background:transparent;border:1px solid var(--line);
    width:42px;height:42px;border-radius:var(--r-md);
    color:var(--ink);font-size:16px;cursor:pointer;
    transition:border-color .22s ease,color .22s ease;
  }
  .drawer-close:hover{border-color:var(--green);color:var(--green);}
  .drawer-nav{margin-top:14px;}
  .drawer-nav li a{
    display:flex;align-items:center;justify-content:space-between;
    padding:20px 4px;
    font-size:23px;
    font-weight:600;
    letter-spacing:.02em;
    border-bottom:1px solid var(--line);
    color:var(--ink);
  }
  .drawer-nav li a i{font-size:13px;color:var(--ink-2);}
  .drawer-nav li a.active{color:var(--green);}
  .drawer-foot{margin-top:auto;padding-top:28px;font-size:13px;color:var(--ink-2);line-height:1.8;}

  /* ============ Breadcrumb ============ */
  .crumb{
    display:flex;align-items:center;gap:10px;
    font-size:12.5px;letter-spacing:.06em;
    color:var(--ink-2);
    padding:26px 0 0;
  }
  .crumb a{color:var(--ink-2);}
  .crumb a:hover{color:var(--green);}
  .crumb .sep{color:var(--line);font-size:11px;}
  .crumb .cur{color:var(--ink);font-weight:600;}

  /* ============ Hero ============ */
  .hero{padding:44px 0 92px;}
  .hero-tag{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12px;letter-spacing:.16em;text-transform:uppercase;
    color:var(--green);
    border:1px solid rgba(36,92,74,.32);
    border-radius:999px;
    padding:6px 15px;
    background:rgba(36,92,74,.04);
    margin-bottom:26px;
  }
  .hero-tag::before{
    content:"";width:5px;height:5px;border-radius:50%;background:var(--green);
  }
  .hero h1{
    font-family:var(--serif);
    font-size:clamp(34px,5.2vw,66px);
    line-height:1.1;
    letter-spacing:.015em;
    font-weight:700;
    max-width:15em;
  }
  .hero h1 .hl{
    position:relative;
    display:inline-block;
  }
  .hero h1 .hl::after{
    content:"";
    position:absolute;left:0;right:0;bottom:.1em;
    height:.22em;
    background:rgba(199,244,90,.55);
    z-index:-1;
  }
  .hero-sub{
    margin-top:26px;
    font-size:17px;
    color:var(--ink-2);
    max-width:36em;
    line-height:1.9;
  }
  .hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px;}
  .hero-meta{
    display:flex;flex-wrap:wrap;gap:10px 26px;
    margin-top:38px;
    padding-top:22px;
    border-top:1px solid var(--line);
    font-size:12.5px;color:var(--ink-2);letter-spacing:.05em;
  }
  .hero-meta span{display:inline-flex;align-items:center;gap:8px;}
  .hero-meta i{color:var(--green);font-size:11px;}

  .entry-card{
    background:var(--paper-2);
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    padding:34px 32px;
    box-shadow:var(--shadow-soft);
  }
  .entry-card h2{
    font-size:19px;
    letter-spacing:.02em;
    margin-bottom:6px;
  }
  .entry-card .sub{
    font-size:13px;color:var(--ink-2);
    padding-bottom:20px;
    border-bottom:1px solid var(--line);
    margin-bottom:6px;
  }
  .entry-list li{
    display:flex;
    gap:14px;
    padding:16px 0;
    border-bottom:1px solid var(--line);
  }
  .entry-list li:last-child{border-bottom:0;padding-bottom:4px;}
  .entry-num{
    flex:0 0 26px;
    font-family:var(--serif);
    font-size:14px;
    color:var(--green);
    font-weight:700;
    letter-spacing:.04em;
    padding-top:2px;
  }
  .entry-list strong{display:block;font-size:15px;margin-bottom:3px;}
  .entry-list p{font-size:13.5px;color:var(--ink-2);line-height:1.75;}
  .entry-note{
    margin-top:22px;
    padding:14px 16px;
    border-left:2px solid var(--verm);
    background:rgba(227,93,50,.06);
    font-size:13px;
    color:var(--ink-2);
    line-height:1.75;
    border-radius:0 var(--r-md) var(--r-md) 0;
  }

  /* ============ Section base ============ */
  .section{padding:var(--sec-y) 0;}
  .section-tight{padding:72px 0;}
  .section-head{margin-bottom:44px;}
  .eyebrow{
    display:flex;align-items:center;gap:12px;
    font-size:12px;letter-spacing:.18em;text-transform:uppercase;
    color:var(--ink-2);
    margin-bottom:16px;
  }
  .eyebrow::before{content:"";width:34px;height:1px;background:var(--green);}
  .section h2{
    font-family:var(--serif);
    font-size:clamp(26px,3.4vw,40px);
    line-height:1.22;
    letter-spacing:.01em;
  }
  .section-desc{
    margin-top:16px;
    color:var(--ink-2);
    font-size:16px;
    max-width:38em;
    line-height:1.9;
  }

  /* ============ Prep list ============ */
  .prep-figure{
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    overflow:hidden;
    background:var(--paper-2);
  }
  .prep-figure img{
    width:100%;
    aspect-ratio:4/3;
    object-fit:cover;
    transition:transform .5s ease;
  }
  .prep-figure:hover img{transform:scale(1.03);}
  .prep-figure figcaption{
    padding:14px 18px;
    font-size:12.5px;
    color:var(--ink-2);
    border-top:1px solid var(--line);
    letter-spacing:.03em;
  }
  .prep-item{
    display:flex;
    gap:20px;
    padding:26px 0;
    border-top:1px solid var(--line);
  }
  .prep-item:last-child{padding-bottom:0;}
  .prep-item .idx{
    font-family:var(--serif);
    font-size:22px;
    color:var(--line);
    font-weight:700;
    flex:0 0 46px;
    line-height:1.2;
    transition:color .24s ease;
  }
  .prep-item:hover .idx{color:var(--green);}
  .prep-item h3{font-size:18px;margin-bottom:8px;letter-spacing:.02em;}
  .prep-item p{font-size:15px;color:var(--ink-2);line-height:1.85;}

  /* ============ Steps ============ */
  .steps-band{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
  .step{
    position:relative;
    padding:28px 26px 30px;
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    background:var(--paper);
    height:100%;
    transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
  }
  .step:hover{transform:translateY(-3px);border-color:rgba(36,92,74,.45);box-shadow:var(--shadow-soft);}
  .step .num{
    font-family:var(--serif);
    font-size:13px;
    letter-spacing:.16em;
    color:var(--green);
    font-weight:700;
    display:block;
    margin-bottom:16px;
  }
  .step h3{font-size:18px;margin-bottom:10px;letter-spacing:.02em;}
  .step p{font-size:14.5px;color:var(--ink-2);line-height:1.8;}
  .step-line{
    display:flex;align-items:center;gap:14px;
    margin-top:12px;padding-top:12px;
    border-top:1px dashed var(--line);
    font-size:12.5px;color:var(--ink-2);letter-spacing:.04em;
  }
  .step-line i{color:var(--green);font-size:11px;}

  /* ============ FAQ 双栏 ============ */
  .faq-index{
    position:sticky;
    top:110px;
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    background:var(--paper-2);
    padding:26px 24px;
  }
  .faq-index h3{
    font-size:13px;
    letter-spacing:.16em;
    text-transform:uppercase;
    color:var(--ink-2);
    font-weight:600;
    padding-bottom:16px;
    border-bottom:1px solid var(--line);
  }
  .faq-index ul{margin-top:8px;}
  .faq-index li a{
    display:flex;
    gap:12px;
    padding:13px 2px;
    font-size:14px;
    color:var(--ink-2);
    border-bottom:1px solid rgba(216,209,195,.7);
    line-height:1.6;
    transition:color .2s ease,padding-left .2s ease;
  }
  .faq-index li:last-child a{border-bottom:0;}
  .faq-index li a span{
    font-family:var(--serif);
    color:var(--line);
    font-weight:700;
    flex:0 0 22px;
    transition:color .2s ease;
  }
  .faq-index li a:hover{color:var(--green);padding-left:6px;}
  .faq-index li a:hover span{color:var(--green);}

  .accordion-item{
    background:transparent;
    border:0;
    border-top:1px solid var(--line);
  }
  .accordion-item:last-child{border-bottom:1px solid var(--line);}
  .accordion-button{
    background:transparent;
    color:var(--ink);
    font-size:17px;
    font-weight:600;
    letter-spacing:.01em;
    padding:26px 48px 26px 0;
    border-radius:0 !important;
    box-shadow:none !important;
    line-height:1.6;
  }
  .accordion-button:hover{color:var(--green);}
  .accordion-button:not(.collapsed){
    color:var(--green);
    background:transparent;
  }
  .accordion-button::after{
    content:"";
    position:absolute;
    right:8px;
    width:15px;height:15px;
    background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M8 2v12M2 8h12' stroke='%23141613' stroke-width='1.5' fill='none' stroke-linecap='square'/%3E%3C/svg%3E");
    background-size:15px 15px;
    background-repeat:no-repeat;
    transition:transform .24s ease;
    transform:none;
  }
  .accordion-button:not(.collapsed)::after{
    transform:rotate(45deg);
    background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M8 2v12M2 8h12' stroke='%23245C4A' stroke-width='1.5' fill='none' stroke-linecap='square'/%3E%3C/svg%3E");
  }
  .accordion-body{
    padding:0 48px 30px 0;
    font-size:15.5px;
    color:var(--ink-2);
    line-height:1.9;
  }
  .accordion-body strong{color:var(--ink);}
  .q-num{
    font-family:var(--serif);
    color:var(--green);
    margin-right:12px;
    font-size:15px;
    font-weight:700;
  }

  /* ============ 状态对照 ============ */
  .state-row{
    display:grid;
    grid-template-columns:minmax(0,4fr) minmax(0,6fr);
    gap:26px;
    padding:24px 0;
    border-top:1px solid var(--line);
    align-items:start;
  }
  .state-row:last-child{border-bottom:1px solid var(--line);}
  .state-name{
    display:flex;align-items:flex-start;gap:12px;
    font-size:15.5px;font-weight:600;
  }
  .state-name i{
    color:var(--verm);
    font-size:12px;
    margin-top:9px;
  }
  .state-fix{font-size:15px;color:var(--ink-2);line-height:1.85;}
  .state-fix b{color:var(--ink);font-weight:600;}

  /* ============ CTA band ============ */
  .cta-band{
    position:relative;
    overflow:hidden;
    background:var(--ink);
    color:var(--paper);
    border-radius:var(--r-lg);
    padding:66px 56px;
  }
  .cta-band::before{
    content:"";
    position:absolute;inset:0;
    background-image:url("/assets/images/backpic/back-2.webp");
    background-size:cover;
    background-position:center;
    opacity:.24;
  }
  .cta-band::after{
    content:"";
    position:absolute;inset:0;
    background:linear-gradient(100deg,rgba(17,19,15,.94) 0%,rgba(17,19,15,.74) 58%,rgba(17,19,15,.42) 100%);
  }
  .cta-inner{position:relative;z-index:2;}
  .cta-band h2{
    color:var(--paper);
    font-family:var(--serif);
    font-size:clamp(26px,3.4vw,38px);
    line-height:1.24;
    max-width:20em;
  }
  .cta-band p{
    color:rgba(246,242,233,.76);
    margin-top:16px;
    font-size:15.5px;
    max-width:34em;
    line-height:1.9;
  }
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
  .cta-band .btn-line{color:var(--paper);border-color:rgba(246,242,233,.45);}
  .cta-band .btn-line:hover{background:rgba(246,242,233,.1);border-color:var(--paper);color:var(--paper);}

  /* ============ 关联栏目卡 ============ */
  .rel-card{
    display:grid;
    grid-template-columns:132px minmax(0,1fr);
    gap:22px;
    align-items:center;
    padding:20px;
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    background:var(--paper-2);
    height:100%;
    transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
  }
  .rel-card:hover{transform:translateY(-3px);border-color:rgba(36,92,74,.45);box-shadow:var(--shadow-soft);}
  .rel-card img{
    width:100%;
    aspect-ratio:1/1;
    border-radius:var(--r-md);
    border:1px solid var(--line);
  }
  .rel-card .tag{
    display:inline-block;
    font-size:11.5px;
    letter-spacing:.12em;
    color:var(--green);
    border:1px solid rgba(36,92,74,.32);
    border-radius:999px;
    padding:3px 11px;
    margin-bottom:9px;
  }
  .rel-card h3{font-size:17px;margin-bottom:6px;letter-spacing:.02em;}
  .rel-card p{font-size:13.5px;color:var(--ink-2);line-height:1.75;}
  .rel-card .go{
    display:inline-flex;align-items:center;gap:8px;
    margin-top:12px;font-size:13px;font-weight:600;color:var(--green);
  }
  .rel-card .go i{transition:transform .22s ease;font-size:11px;}
  .rel-card:hover .go i{transform:translateX(4px);}

  /* ============ Footer ============ */
  .site-footer{
    background:var(--ink);
    color:rgba(246,242,233,.72);
    padding:78px 0 34px;
    margin-top:0;
  }
  .footer-brand{
    font-family:var(--serif);
    font-size:clamp(24px,2.6vw,32px);
    color:var(--paper);
    font-weight:700;
    letter-spacing:.02em;
    line-height:1.3;
    margin-bottom:18px;
  }
  .footer-desc{
    font-size:14.5px;
    line-height:1.9;
    color:rgba(246,242,233,.6);
    max-width:34em;
  }
  .footer-col h4{
    font-size:12.5px;
    letter-spacing:.16em;
    text-transform:uppercase;
    color:rgba(246,242,233,.5);
    font-weight:600;
    margin-bottom:18px;
  }
  .footer-col ul li{margin-bottom:11px;}
  .footer-col ul li a{
    font-size:14.5px;
    color:rgba(246,242,233,.78);
    transition:color .2s ease,padding-left .2s ease;
  }
  .footer-col ul li a:hover{color:var(--lime);padding-left:4px;}
  .footer-line{
    border:0;
    border-top:1px solid rgba(255,255,255,.18);
    margin:52px 0 24px;
    opacity:1;
  }
  .footer-bottom{
    display:flex;
    flex-wrap:wrap;
    justify-content:space-between;
    gap:12px 26px;
    font-size:12.5px;
    color:rgba(246,242,233,.48);
    letter-spacing:.03em;
    line-height:1.8;
  }

  /* ============ Reveal animation ============ */
  .reveal{
    opacity:0;
    transform:translateY(16px);
    transition:opacity .6s ease,transform .6s ease;
  }
  .reveal.in{opacity:1;transform:none;}

  @media (prefers-reduced-motion:reduce){
    *,*::before,*::after{
      animation-duration:.001ms !important;
      animation-iteration-count:1 !important;
      transition-duration:.001ms !important;
      scroll-behavior:auto !important;
    }
    .reveal{opacity:1;transform:none;}
  }

  /* ============ Responsive ============ */
  @media (max-width:1199.98px){
    :root{--sec-y:88px;}
    .container-x{padding-inline:24px;}
    .nav-list{gap:28px;}
    .cta-band{padding:56px 42px;}
  }

  @media (max-width:991.98px){
    :root{--sec-y:76px;}
    .nav-desktop{display:none;}
    .nav-toggle{display:inline-flex;}
    .header-actions .btn-ink{display:none;}
    .header-inner{min-height:74px;gap:18px;}
    .hero{padding:30px 0 68px;}
    .hero-sub{font-size:16px;}
    .entry-card{margin-top:44px;padding:28px 24px;}
    .faq-index{position:static;margin-bottom:34px;}
    .state-row{grid-template-columns:1fr;gap:10px;}
    .cta-band{padding:48px 32px;}
    .site-footer{padding:64px 0 30px;}
  }

  @media (max-width:767.98px){
    body{font-size:16px;}
    .container-x{padding-inline:20px;}
    .brand{max-width:180px;font-size:15px;}
    .hero h1{max-width:none;}
    .section-head{margin-bottom:34px;}
    .prep-item{gap:14px;padding:22px 0;}
    .prep-item .idx{flex-basis:38px;font-size:19px;}
    .accordion-button{font-size:16px;padding:22px 42px 22px 0;}
    .accordion-body{padding:0 26px 26px 0;font-size:15px;}
    .rel-card{grid-template-columns:104px minmax(0,1fr);gap:18px;padding:16px;}
    .cta-band{padding:42px 26px;border-radius:var(--r-md);}
    .footer-line{margin:40px 0 22px;}
    .footer-bottom{flex-direction:column;}
  }

  @media (max-width:575.98px){
    .hero-cta .btn{width:100%;}
    .hero-meta{flex-direction:column;gap:8px;}
    .entry-list li{gap:10px;}
    .drawer-nav li a{font-size:20px;padding:17px 4px;}
    .rel-card{grid-template-columns:1fr;}
    .rel-card img{aspect-ratio:16/9;}
    .cta-actions .btn{width:100%;}
  }