/* roulang page: index */
:root{
  --ink:#12141A;
  --ink-2:#2B2F36;
  --text:#3A3F46;
  --text-2:#5A6068;
  --text-3:#8A8F96;
  --paper:#F4F1EA;
  --paper-2:#EDE9E1;
  --card:#FFFFFF;
  --line:#DEDAD2;
  --line-dark:rgba(244,241,234,.16);
  --lime:#C6F24E;
  --lime-deep:#A9D634;
  --ember:#FF6A3D;
  --on-dark:#F4F1EA;
  --on-dark-2:rgba(244,241,234,.66);
  --ok:#2F8F5B;
  --warn:#C4552B;
  --font-sans:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --font-num:ui-monospace,"SF Mono","Roboto Mono",monospace;
  --r-card:14px;
  --r-img:10px;
  --r-btn:10px;
  --shadow-1:0 1px 0 rgba(18,20,26,.05), 0 10px 28px -16px rgba(18,20,26,.22);
  --shadow-2:0 16px 36px -18px rgba(18,20,26,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
a:hover{color:inherit;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
h1,h2,h3{letter-spacing:-.02em;color:var(--ink);font-weight:700;}
:focus-visible{outline:2px solid var(--lime-deep);outline-offset:3px;border-radius:4px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}
.section{padding:96px 0;}
.section.alt{background:var(--paper-2);}
.section.tight{padding:76px 0;}
.section.deep{background:var(--ink);color:var(--on-dark);}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--shadow-1);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:68px;gap:24px;}
.logo{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:-.02em;color:var(--ink);white-space:nowrap;}
.logo-mark{width:24px;height:24px;border-radius:6px;background:var(--lime);position:relative;flex:0 0 auto;}
.logo-mark::after{content:"";position:absolute;left:7px;top:7px;width:10px;height:10px;border-radius:2px;background:var(--ink);}
.nav-main{display:flex;align-items:center;gap:2px;}
.nav-link{position:relative;display:inline-block;padding:10px 14px;font-size:15px;font-weight:600;color:var(--text-2);transition:color .18s var(--ease);}
.nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;background:var(--ink);transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--ink);}
.nav-link.is-active::after{transform:scaleX(1);background:var(--lime-deep);}
.nav-right{display:flex;align-items:center;gap:12px;}
.nav-more{position:relative;}
.nav-more-btn{display:inline-flex;align-items:center;gap:6px;padding:10px 14px;font-size:15px;font-weight:600;color:var(--text-2);background:none;border:0;cursor:pointer;border-radius:8px;transition:color .18s var(--ease);}
.nav-more-btn:hover{color:var(--ink);}
.nav-more-btn .caret{width:6px;height:6px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg) translateY(-1px);transition:transform .18s var(--ease);}
.nav-more:hover .nav-more-btn .caret,
.nav-more:focus-within .nav-more-btn .caret{transform:rotate(225deg) translateY(-1px);}
.mega{
  position:absolute;top:calc(100% + 12px);right:0;width:780px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);padding:26px;
  display:grid;grid-template-columns:1.05fr 1fr 1.05fr;gap:26px;
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity .16s var(--ease),transform .16s var(--ease),visibility .16s;
}
.nav-more:hover .mega,.nav-more:focus-within .mega{opacity:1;visibility:visible;transform:translateY(0);}
.mega-title{font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--text-3);margin-bottom:14px;}
.mega-list li+li{margin-top:2px;}
.mega-list a{display:flex;gap:12px;align-items:baseline;padding:9px 10px;border-radius:8px;font-size:14px;font-weight:600;color:var(--ink-2);transition:background .16s var(--ease),color .16s var(--ease);}
.mega-list a:hover{background:var(--paper);color:var(--ink);}
.mega-num{font-family:var(--font-num);font-size:12px;color:var(--text-3);letter-spacing:.04em;}
.mega-news a{display:block;padding:9px 0;border-bottom:1px solid var(--line);}
.mega-news a:last-child{border-bottom:0;}
.mega-news strong{display:block;font-size:14px;font-weight:600;color:var(--ink);line-height:1.5;}
.mega-news span{font-family:var(--font-num);font-size:12px;color:var(--text-3);}
.mega-card{display:block;border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:border-color .16s var(--ease),box-shadow .16s var(--ease);}
.mega-card:hover{border-color:var(--lime);box-shadow:var(--shadow-1);}
.mega-card img{width:100%;height:96px;object-fit:cover;}
.mega-card-body{padding:12px 14px;font-size:13px;color:var(--text-2);line-height:1.6;}
.nav-cta{display:inline-flex;align-items:center;padding:11px 22px;border-radius:var(--r-btn);background:var(--lime);color:var(--ink);font-size:14px;font-weight:700;transition:background .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);}
.nav-cta:hover{background:var(--ink);color:var(--lime);transform:translateY(-1px);}
.nav-cta:active{transform:none;}
.mobile-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px;}
.mobile-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;}
.nav-mask{position:fixed;inset:0;background:rgba(18,20,26,.45);opacity:0;visibility:hidden;transition:opacity .2s var(--ease),visibility .2s;z-index:88;}
.nav-mask.is-open{opacity:1;visibility:visible;}
.mobile-panel{
  position:fixed;top:0;right:0;bottom:0;width:min(360px,88vw);
  background:#fff;z-index:92;padding:22px 22px 96px;overflow-y:auto;
  transform:translateX(102%);transition:transform .24s var(--ease);
  box-shadow:-24px 0 60px -24px rgba(18,20,26,.4);
}
.mobile-panel.is-open{transform:none;}
.mobile-panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.mobile-close{width:36px;height:36px;border:1px solid var(--line);border-radius:9px;background:#fff;font-size:18px;line-height:1;color:var(--ink-2);cursor:pointer;}
.mobile-link{display:block;padding:13px 4px;font-size:16px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--line);}
.mobile-link.is-active{color:var(--lime-deep);}
.mobile-group-title{font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--text-3);margin:22px 0 8px;}
.mobile-panel .nav-cta{position:absolute;left:22px;right:22px;bottom:22px;justify-content:center;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  border:1.5px solid transparent;cursor:pointer;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.btn-primary{background:var(--lime);color:var(--ink);}
.btn-primary:hover{background:var(--ink);color:var(--lime);transform:translateY(-1px);}
.btn-primary:active{transform:none;}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:var(--on-dark);transform:translateY(-1px);}
.btn-ghost:active{transform:none;}
.on-dark .btn-primary:hover{background:transparent;color:var(--lime);border-color:var(--lime);}
.on-dark .btn-ghost{border-color:rgba(244,241,234,.42);color:var(--on-dark);}
.on-dark .btn-ghost:hover{background:var(--on-dark);color:var(--ink);border-color:var(--on-dark);}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--ink);position:relative;padding-bottom:2px;}
.link-more::before{content:"";position:absolute;left:0;bottom:0;height:1.5px;width:0;background:var(--ink);transition:width .2s var(--ease);}
.link-more:hover::before{width:calc(100% - 14px);}
.link-more .arrow{transition:transform .18s var(--ease);}
.link-more:hover .arrow{transform:translateX(3px);}

/* ---------- hero ---------- */
.hero{background:var(--ink);color:var(--on-dark);padding:76px 0 88px;position:relative;overflow:hidden;}
.hero::before{
  content:"";position:absolute;right:-10%;top:-20%;width:640px;height:640px;border-radius:50%;
  background:radial-gradient(circle,rgba(198,242,78,.12) 0%,rgba(198,242,78,0) 68%);
  pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:56px;align-items:center;position:relative;z-index:1;}
.hero-tag{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border:1px solid rgba(198,242,78,.55);border-radius:999px;font-size:13px;font-weight:600;color:var(--lime);letter-spacing:.02em;}
.hero-tag i{width:6px;height:6px;border-radius:50%;background:var(--lime);display:inline-block;}
.hero h1{
  margin:22px 0 18px;color:var(--on-dark);
  font-size:clamp(34px,5vw,62px);font-weight:800;line-height:1.06;
  animation:rise .55s var(--ease) both;
}
.hero-lead{max-width:540px;font-size:17px;line-height:1.78;color:var(--on-dark-2);animation:rise .55s .08s var(--ease) both;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;animation:rise .55s .14s var(--ease) both;}
@keyframes rise{from{opacity:0;transform:translateY(12px);}to{opacity:1;transform:none;}}
.hero-stats{display:flex;margin-top:46px;padding-top:26px;border-top:1px solid var(--line-dark);}
.stat{position:relative;padding-right:34px;}
.stat + .stat{padding-left:34px;}
.stat + .stat::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:1px;background:var(--line-dark);}
.stat b{display:block;font-family:var(--font-num);font-size:28px;font-weight:700;letter-spacing:.04em;color:var(--on-dark);line-height:1.2;}
.stat span{display:block;margin-top:4px;font-size:13px;color:var(--on-dark-2);}
.stat b em{font-style:normal;color:var(--lime);}
.hero-visual{position:relative;border-radius:16px;overflow:hidden;border:1px solid var(--line-dark);box-shadow:0 30px 70px -40px rgba(0,0,0,.9);}
.hero-visual img{width:100%;height:100%;aspect-ratio:4/3.2;object-fit:cover;}
.hero-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,20,26,0) 42%,rgba(18,20,26,.82) 100%);}
.hero-visual-foot{position:absolute;left:22px;right:22px;bottom:20px;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:12px;}
.hero-visual-foot strong{font-size:15px;font-weight:700;color:var(--on-dark);}
.hero-visual-foot span{font-family:var(--font-num);font-size:12px;color:var(--lime);border:1px solid rgba(198,242,78,.5);border-radius:999px;padding:3px 10px;white-space:nowrap;}

/* ---------- section head ---------- */
.kicker{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--text-3);margin-bottom:14px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:46px;}
.section-head h2{font-size:clamp(26px,3.2vw,40px);line-height:1.18;}
.section-sub{margin-top:14px;max-width:620px;font-size:15px;line-height:1.78;color:var(--text-2);}
.on-dark .section-sub{color:var(--on-dark-2);}
.on-dark h2{color:var(--on-dark);}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);}
.step{padding:38px 34px 10px;border-right:1px solid var(--line);transition:background .2s var(--ease);}
.step:last-child{border-right:0;}
.step:hover{background:rgba(255,255,255,.55);}
.step-num{font-family:var(--font-num);font-size:56px;font-weight:800;line-height:1;color:rgba(18,20,26,.13);letter-spacing:.02em;}
.step h3{margin:18px 0 10px;font-size:20px;line-height:1.4;}
.step p{font-size:15px;line-height:1.75;color:var(--text-2);min-height:78px;}
.step .link-more{margin-top:8px;}

/* ---------- reward cards ---------- */
.reward-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:24px;}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:transform .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);}
.card:hover{transform:translateY(-2px);border-color:var(--lime);box-shadow:var(--shadow-2);}
.card-media{position:relative;overflow:hidden;background:var(--paper-2);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .16s var(--ease);}
.card:hover .card-media img{transform:scale(1.02);}
.badge{position:absolute;top:14px;left:14px;padding:5px 12px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.02em;}
.badge-lime{background:var(--lime);color:var(--ink);}
.badge-ink{background:rgba(18,20,26,.84);color:var(--on-dark);}
.badge-ember{background:var(--ember);color:#fff;}
.card-body{padding:20px 22px 22px;}
.card-body h3{font-size:19px;line-height:1.4;}
.card-body p{margin-top:8px;font-size:14px;line-height:1.68;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px;padding-top:14px;border-top:1px solid var(--line);font-size:12px;color:var(--text-3);font-family:var(--font-num);letter-spacing:.02em;}
.reward-main{grid-column:span 4;display:flex;flex-direction:column;}
.reward-main .card-media img{aspect-ratio:16/8.2;}
.reward-main .card-body h3{font-size:23px;}
.reward-main .card-body p{-webkit-line-clamp:3;font-size:15px;}
.reward-side{grid-column:span 2;display:flex;flex-direction:column;}
.reward-side .card-media img{aspect-ratio:16/10;}
.reward-small{grid-column:span 2;display:flex;flex-direction:column;}
.reward-small .card-media img{aspect-ratio:16/9;}

/* ---------- progress ---------- */
.progress-panel{background:var(--ink);border-radius:18px;padding:52px 48px;color:var(--on-dark);display:grid;grid-template-columns:1.5fr .5fr;gap:48px;align-items:center;position:relative;overflow:hidden;}
.progress-panel::after{content:"";position:absolute;left:-6%;bottom:-60%;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(198,242,78,.1),rgba(198,242,78,0) 70%);pointer-events:none;}
.progress-panel h2{font-size:clamp(24px,2.6vw,34px);color:var(--on-dark);}
.progress-panel .section-sub{color:var(--on-dark-2);max-width:560px;}
.milestones{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:44px;padding-top:20px;}
.milestones::before{content:"";position:absolute;top:25px;left:0;right:0;height:4px;border-radius:99px;background:rgba(244,241,234,.14);}
.milestones::after{content:"";position:absolute;top:25px;left:0;width:62%;height:4px;border-radius:99px;background:var(--lime);animation:trackGrow .9s var(--ease) both;}
@keyframes trackGrow{from{width:0;}to{width:62%;}}
.milestone{position:relative;z-index:1;}
.milestone .dot{width:12px;height:12px;border-radius:50%;background:rgba(244,241,234,.26);margin-bottom:18px;transition:background .2s var(--ease);}
.milestone.done .dot{background:var(--lime);}
.milestone.current .dot{background:var(--lime);box-shadow:0 0 0 4px rgba(198,242,78,.28);}
.milestone .m-num{font-family:var(--font-num);font-size:12px;color:var(--on-dark-2);letter-spacing:.06em;}
.milestone .m-name{display:block;margin-top:4px;font-size:14px;font-weight:600;color:var(--on-dark);}
.milestone .m-state{display:block;margin-top:2px;font-size:12px;color:rgba(244,241,234,.5);}
.progress-cta{text-align:right;}
.progress-cta .hint{display:block;margin-bottom:16px;font-family:var(--font-num);font-size:13px;color:var(--on-dark-2);}

/* ---------- news list ---------- */
.news-list{border-top:1px solid var(--line);}
.news-row{display:grid;grid-template-columns:112px 1fr 96px;gap:24px;align-items:center;padding:22px 14px;border-bottom:1px solid var(--line);transition:background .18s var(--ease);}
.news-row:hover{background:#FBFAF7;}
.news-tag{display:inline-block;justify-self:start;padding:4px 12px;border-radius:999px;background:rgba(198,242,78,.35);color:var(--ink-2);font-size:12px;font-weight:600;white-space:nowrap;}
.news-title{font-size:18px;font-weight:600;line-height:1.5;color:var(--ink);position:relative;display:inline-block;}
.news-title::after{content:"";position:absolute;left:0;bottom:-2px;height:1.5px;width:0;background:var(--ink);transition:width .2s var(--ease);}
.news-row:hover .news-title::after{width:100%;}
.news-desc{margin-top:4px;font-size:14px;line-height:1.65;color:var(--text-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.news-time{font-family:var(--font-num);font-size:13px;color:var(--text-3);text-align:right;letter-spacing:.02em;}
.news-row .row-arrow{display:none;}
.empty-state{padding:56px 20px;text-align:center;border-bottom:1px solid var(--line);}
.empty-state .es-box{width:76px;height:56px;margin:0 auto 16px;border:1.5px solid var(--line);border-radius:8px;position:relative;}
.empty-state .es-box::after{content:"";position:absolute;left:12px;right:12px;top:16px;height:1.5px;background:var(--line);box-shadow:0 10px 0 var(--line);}
.empty-state p{font-size:14px;color:var(--text-3);}

/* ---------- trust split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.split.rev .split-media{order:2;}
.split-media{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);background:var(--card);}
.split-media img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.split h2{font-size:clamp(24px,2.8vw,36px);line-height:1.2;}
.split p{margin-top:16px;font-size:15px;line-height:1.8;color:var(--text-2);}
.check-list{margin-top:22px;display:grid;gap:12px;}
.check-list li{position:relative;padding-left:26px;font-size:15px;color:var(--text);line-height:1.7;}
.check-list li::before{content:"";position:absolute;left:0;top:8px;width:12px;height:7px;border-left:2px solid var(--lime-deep);border-bottom:2px solid var(--lime-deep);transform:rotate(-45deg);}

/* ---------- faq ---------- */
.faq-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:64px;align-items:start;}
.faq-aside{position:sticky;top:96px;}
.faq-aside p{margin-top:16px;font-size:15px;line-height:1.78;color:var(--text-2);max-width:340px;}
.faq-aside .btn{margin-top:26px;}
.faq-item{border-top:1px solid var(--line);}
.faq-item:last-child{border-bottom:1px solid var(--line);}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:22px 4px 22px 0;font-size:17px;font-weight:600;color:var(--ink);cursor:pointer;list-style:none;position:relative;transition:padding-left .2s var(--ease);}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{content:"";position:absolute;left:0;top:20px;bottom:20px;width:3px;background:var(--lime);opacity:0;transition:opacity .2s var(--ease);}
.faq-item summary:hover{padding-left:14px;}
.faq-item[open] summary{padding-left:14px;}
.faq-item[open] summary::before{opacity:1;}
.faq-icon{flex:0 0 auto;width:22px;height:22px;position:relative;transition:transform .2s var(--ease);}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--ink-2);border-radius:2px;}
.faq-icon::before{left:4px;right:4px;top:10px;height:2px;}
.faq-icon::after{top:4px;bottom:4px;left:10px;width:2px;}
.faq-item[open] .faq-icon{transform:rotate(45deg);}
.faq-answer{padding:0 40px 24px 14px;font-size:15px;line-height:1.85;color:var(--text-2);}

/* ---------- cta ---------- */
.page-cta{background:var(--ink);color:var(--on-dark);text-align:center;padding:80px 0;}
.page-cta h2{color:var(--on-dark);font-size:clamp(24px,3vw,38px);line-height:1.25;}
.page-cta p{margin:16px auto 0;max-width:600px;font-size:15px;line-height:1.8;color:var(--on-dark-2);}
.page-cta .btn{margin-top:30px;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:var(--on-dark);padding:64px 0 0;border-top:1px solid var(--line-dark);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1.1fr;gap:40px;padding-bottom:48px;}
.footer-brand .logo{color:var(--on-dark);margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.75;color:rgba(244,241,234,.6);max-width:280px;}
.footer-title{font-size:12px;font-weight:700;letter-spacing:.12em;color:rgba(244,241,234,.48);margin-bottom:16px;}
.footer-links li + li{margin-top:10px;}
.footer-links a{font-size:14px;color:rgba(244,241,234,.78);transition:color .16s var(--ease);}
.footer-links a:hover{color:var(--lime);}
.footer-news a{display:block;padding:10px 0;border-bottom:1px solid var(--line-dark);transition:color .16s var(--ease);}
.footer-news a:last-child{border-bottom:0;}
.footer-news strong{display:block;font-size:14px;font-weight:600;color:rgba(244,241,234,.86);line-height:1.55;}
.footer-news a:hover strong{color:var(--lime);}
.footer-news span{font-family:var(--font-num);font-size:12px;color:rgba(244,241,234,.42);}
.footer-contact p{font-size:14px;line-height:1.8;color:rgba(244,241,234,.66);}
.footer-contact p + p{margin-top:8px;}
.footer-bottom{border-top:1px solid var(--line-dark);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.footer-bottom p,.footer-bottom a{font-size:12.5px;color:rgba(244,241,234,.55);}
.footer-bottom-links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom a:hover{color:var(--on-dark);}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .mega{width:700px;}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .nav-main,.nav-more{display:none;}
  .mobile-toggle{display:inline-flex;}
  .section{padding:76px 0;}
  .hero{padding:60px 0 72px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-visual img{aspect-ratio:16/9;}
  .reward-grid{grid-template-columns:repeat(2,1fr);}
  .reward-main,.reward-side,.reward-small{grid-column:span 1;}
  .reward-main .card-media img{aspect-ratio:16/10;}
  .progress-panel{grid-template-columns:1fr;gap:32px;padding:40px 32px;}
  .progress-cta{text-align:left;}
  .split{grid-template-columns:1fr;gap:32px;}
  .split.rev .split-media{order:0;}
  .faq-grid{grid-template-columns:1fr;gap:32px;}
  .faq-aside{position:static;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .steps{grid-template-columns:1fr;}
  .step{border-right:0;border-bottom:1px solid var(--line);padding:30px 0 26px;}
  .step:last-child{border-bottom:0;}
  .step p{min-height:0;}
}
@media (max-width:767px){
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:32px;}
  .news-row{grid-template-columns:1fr;gap:8px;padding:20px 10px;}
  .news-time{text-align:left;}
  .news-desc{white-space:normal;}
  .hero-stats{flex-wrap:wrap;gap:20px 0;}
  .stat{padding-right:24px;}
  .stat + .stat{padding-left:24px;}
  .milestones{grid-template-columns:1fr;padding-top:0;gap:0;}
  .milestones::before{top:8px;bottom:8px;left:5px;right:auto;width:2px;height:auto;border-radius:99px;}
  .milestones::after{top:8px;left:5px;width:2px;height:62%;animation:none;}
  .milestone{display:grid;grid-template-columns:28px 1fr;grid-template-areas:"dot num" ". name" ". state";align-items:start;padding:0 0 22px;}
  .milestone .dot{grid-area:dot;margin:6px 0 0;}
  .milestone .m-num{grid-area:num;}
  .milestone .m-name{grid-area:name;margin-top:2px;}
  .milestone .m-state{grid-area:state;}
  .split-media img{aspect-ratio:16/10;}
}
@media (max-width:639px){
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .hero{padding:48px 0 56px;}
  .hero-stats{flex-direction:column;gap:18px;padding-top:22px;margin-top:32px;}
  .stat{padding:0;}
  .stat + .stat{padding-left:0;}
  .stat + .stat::before{display:none;}
  .btn{width:100%;}
  .hero-actions{flex-direction:column;}
  .reward-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .progress-panel{padding:32px 22px;}
  .page-cta{padding:60px 0;}
  .faq-item summary{font-size:16px;}
  .card-body h3{font-size:18px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .milestones::after{width:62%;}
}

/* roulang page: article */
:root{
  --ink:#12141A;
  --ink-2:#2B2F36;
  --text:#3A3F46;
  --text-2:#5A6068;
  --text-3:#8A8F96;
  --paper:#F4F1EA;
  --paper-2:#EDE9E1;
  --card:#FFFFFF;
  --line:#DEDAD2;
  --line-dark:rgba(244,241,234,.16);
  --lime:#C6F24E;
  --lime-deep:#A9D634;
  --ember:#FF6A3D;
  --on-dark:#F4F1EA;
  --on-dark-2:rgba(244,241,234,.66);
  --ok:#2F8F5B;
  --warn:#C4552B;
  --radius:14px;
  --radius-sm:10px;
  --radius-pill:999px;
  --shadow-1:0 1px 0 rgba(18,20,26,.05),0 10px 28px -16px rgba(18,20,26,.22);
  --shadow-2:0 16px 36px -18px rgba(18,20,26,.28);
  --font-sans:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:ui-monospace,"SF Mono","Roboto Mono","Menlo",monospace;
  --ease:cubic-bezier(.22,.61,.36,1);
  --header-h:68px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{
  font-family:var(--font-sans);
  color:var(--ink);
  letter-spacing:-.02em;
  margin:0;
  font-weight:700;
  line-height:1.2;
}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:4px;}
.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 32px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 26px;
  font-size:15px;
  font-weight:700;
  line-height:1.2;
  border-radius:var(--radius-sm);
  border:1.5px solid transparent;
  cursor:pointer;
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--lime);color:var(--ink);}
.btn-primary:hover{background:var(--ink);color:var(--lime);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:var(--on-dark);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{padding:10px 18px;font-size:14px;}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:90;
  background:#FFFFFF;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--shadow-1);}
.header-inner{
  display:flex;
  align-items:center;
  gap:28px;
  min-height:var(--header-h);
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--ink);
  flex-shrink:0;
}
.logo-mark{
  width:24px;
  height:24px;
  border-radius:6px;
  background:var(--lime);
  display:inline-block;
  position:relative;
  flex-shrink:0;
}
.logo-mark::after{
  content:"";
  position:absolute;
  inset:6px;
  border:2px solid var(--ink);
  border-radius:2px;
}
.nav-checkbox{display:none;}
.nav-drawer{display:flex;align-items:center;gap:8px;flex:1 1 auto;min-width:0;}
.nav-main{display:flex;align-items:center;gap:4px;flex:1 1 auto;min-width:0;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 12px;
  font-size:15px;
  font-weight:600;
  color:var(--text-2);
  border-radius:8px;
  transition:color .16s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:12px;
  right:12px;
  bottom:2px;
  height:2px;
  background:var(--ink);
  width:0;
  transition:width .18s var(--ease);
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{width:calc(100% - 24px);}
.nav-link.is-active{color:var(--ink);font-weight:700;}
.nav-link.is-active::after{width:calc(100% - 24px);background:var(--lime-deep);}
.drawer-cta{display:none;}
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
  flex-shrink:0;
}
.mega-wrap{position:relative;}
.mega-trigger{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:9px 14px;
  font-size:14px;
  font-weight:600;
  color:var(--text-2);
  background:transparent;
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  cursor:pointer;
  transition:color .16s var(--ease),border-color .16s var(--ease),background-color .16s var(--ease);
}
.mega-trigger::after{
  content:"";
  width:6px;height:6px;
  border-right:1.5px solid currentColor;
  border-bottom:1.5px solid currentColor;
  transform:rotate(45deg) translateY(-1px);
  transition:transform .16s var(--ease);
}
.mega-trigger:hover{color:var(--ink);border-color:var(--ink);background:#FBFAF7;}
.mega-wrap:hover .mega-trigger,.mega-wrap:focus-within .mega-trigger{color:var(--ink);border-color:var(--ink);}
.mega-wrap:hover .mega-trigger::after,.mega-wrap:focus-within .mega-trigger::after{transform:rotate(225deg) translateY(-1px);}
.mega-panel{
  position:absolute;
  top:calc(100% + 14px);
  right:0;
  width:760px;
  display:grid;
  grid-template-columns:1.1fr 1fr 1fr;
  gap:26px;
  padding:26px;
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-2);
  opacity:0;
  visibility:hidden;
  transform:translateY(6px);
  transition:opacity .16s var(--ease),transform .16s var(--ease),visibility .16s;
}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-title{
  font-size:12px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--text-3);
  margin-bottom:14px;
  text-transform:uppercase;
}
.mega-list li + li{margin-top:2px;}
.mega-list a{
  display:flex;
  align-items:center;
  gap:10px;
  padding:8px 10px;
  border-radius:8px;
  font-size:14.5px;
  font-weight:600;
  color:var(--ink-2);
  transition:background-color .16s var(--ease),color .16s var(--ease);
}
.mega-list a:hover{background:var(--paper);color:var(--ink);}
.mega-num{
  font-family:var(--font-num);
  font-size:12px;
  color:var(--text-3);
  letter-spacing:.04em;
}
.mega-post{display:block;padding:9px 0;border-bottom:1px solid var(--line);}
.mega-post:last-child{border-bottom:0;}
.mega-post strong{display:block;font-size:14px;font-weight:600;color:var(--ink-2);transition:color .16s var(--ease);}
.mega-post span{font-family:var(--font-num);font-size:12px;color:var(--text-3);letter-spacing:.04em;}
.mega-post:hover strong{color:var(--ink);}
.mega-card{
  display:block;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  overflow:hidden;
  transition:border-color .16s var(--ease),transform .16s var(--ease);
}
.mega-card img{width:100%;height:104px;object-fit:cover;}
.mega-card span{display:block;padding:10px 12px;font-size:13px;font-weight:600;color:var(--ink-2);}
.mega-card:hover{border-color:var(--lime);transform:translateY(-2px);}
.nav-toggle{display:none;}

/* ---------- Page intro ---------- */
.article-head{
  background:var(--paper);
  padding:44px 0 30px;
  border-bottom:1px solid var(--line);
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:22px;
}
.breadcrumb a{color:var(--text-3);transition:color .16s var(--ease);}
.breadcrumb a:hover{color:var(--ink);}
.breadcrumb .sep{color:var(--line);}
.breadcrumb .current{
  color:var(--text-2);
  max-width:46ch;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.article-head h1{
  font-size:clamp(28px,4vw,44px);
  font-weight:800;
  line-height:1.16;
  max-width:20ch;
  margin-bottom:22px;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px;
  font-size:13px;
  color:var(--text-3);
  padding-top:18px;
  border-top:1px solid var(--line);
}
.meta-chip{
  display:inline-flex;
  align-items:center;
  padding:5px 14px;
  font-size:12.5px;
  font-weight:700;
  color:var(--ink);
  background:var(--lime);
  border-radius:var(--radius-pill);
}
.meta-dot{width:4px;height:4px;border-radius:50%;background:var(--line);}

/* ---------- Article body ---------- */
.article-body{padding:56px 0 72px;background:var(--paper);}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 312px;
  gap:56px;
  align-items:start;
}
.prose{
  max-width:760px;
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  letter-spacing:.01em;
}
.prose h2{
  font-size:clamp(21px,2.4vw,28px);
  font-weight:700;
  color:var(--ink);
  margin:44px 0 16px;
  padding-left:16px;
  position:relative;
  line-height:1.35;
}
.prose h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.28em;
  width:4px;
  height:1em;
  border-radius:2px;
  background:var(--lime);
}
.prose h3{
  font-size:19px;
  font-weight:600;
  color:var(--ink-2);
  margin:34px 0 12px;
  line-height:1.45;
}
.prose p{margin:0 0 20px;}
.prose a{color:var(--ink);text-decoration:underline;text-decoration-color:var(--lime-deep);text-underline-offset:3px;transition:color .16s var(--ease);}
.prose a:hover{color:var(--lime-deep);}
.prose ul,.prose ol{margin:0 0 22px;padding-left:22px;}
.prose ul{list-style:disc;}
.prose ol{list-style:decimal;}
.prose li{margin-bottom:9px;line-height:1.8;}
.prose li::marker{color:var(--lime-deep);}
.prose blockquote{
  margin:28px 0;
  padding:18px 22px;
  border-left:3px solid var(--lime);
  background:var(--paper-2);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:var(--ink-2);
  font-size:16px;
}
.prose blockquote p:last-child{margin-bottom:0;}
.prose img{border-radius:var(--radius-sm);margin:26px auto;}
.prose figure{margin:26px 0;}
.prose figcaption{
  margin-top:10px;
  font-size:13px;
  color:var(--text-3);
  text-align:center;
}
.prose table{
  width:100%;
  border-collapse:collapse;
  margin:26px 0;
  font-size:15px;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  overflow:hidden;
}
.prose th,.prose td{
  padding:12px 14px;
  text-align:left;
  border-bottom:1px solid var(--line);
}
.prose th{background:var(--paper-2);font-weight:700;color:var(--ink);}
.prose tr:last-child td{border-bottom:0;}
.prose hr{border:0;border-top:1px solid var(--line);margin:36px 0;}
.prose code{
  font-family:var(--font-num);
  font-size:.9em;
  background:var(--paper-2);
  padding:2px 6px;
  border-radius:4px;
  color:var(--ink-2);
}
.empty-state{
  padding:64px 28px;
  text-align:center;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-1);
}
.empty-state p{font-size:17px;color:var(--text-2);margin-bottom:20px;}
.article-tags{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-top:44px;
  padding-top:26px;
  border-top:1px solid var(--line);
}
.tag{
  display:inline-flex;
  align-items:center;
  padding:6px 14px;
  font-size:12.5px;
  font-weight:600;
  color:var(--ink-2);
  background:var(--paper-2);
  border:1px solid transparent;
  border-radius:var(--radius-pill);
  transition:background-color .16s var(--ease),border-color .16s var(--ease),color .16s var(--ease);
}
.tag:hover{background:#FFFFFF;border-color:var(--lime);color:var(--ink);}

/* ---------- Sidebar ---------- */
.article-side{position:sticky;top:calc(var(--header-h) + 24px);display:grid;gap:20px;}
.side-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px;
  box-shadow:var(--shadow-1);
}
.side-title{
  font-size:13px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--text-3);
  margin-bottom:16px;
}
.side-list li + li{margin-top:14px;padding-top:14px;border-top:1px solid var(--line);}
.side-list a{display:block;}
.side-list strong{
  display:block;
  font-size:15px;
  font-weight:600;
  color:var(--ink-2);
  line-height:1.5;
  margin-bottom:6px;
  transition:color .16s var(--ease);
}
.side-list a:hover strong{color:var(--ink);}
.side-list .side-meta{
  display:flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-num);
  font-size:12px;
  color:var(--text-3);
  letter-spacing:.03em;
}
.side-cta{
  background:var(--ink);
  border:1px solid var(--ink);
  color:var(--on-dark);
  box-shadow:none;
}
.side-cta .side-title{color:var(--on-dark-2);}
.side-cta p{font-size:14.5px;line-height:1.7;color:var(--on-dark-2);margin-bottom:18px;}
.side-cta .btn{width:100%;}
.side-cta .btn:hover{background:var(--lime);color:var(--ink);}

/* ---------- Related ---------- */
.related{
  background:var(--paper-2);
  padding:72px 0;
  border-top:1px solid var(--line);
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px;
}
.section-head h2{
  font-size:clamp(24px,3vw,34px);
  font-weight:700;
  line-height:1.2;
}
.section-head p{font-size:14px;color:var(--text-2);margin-top:8px;}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:700;
  color:var(--ink);
  flex-shrink:0;
  position:relative;
}
.text-link span{transition:transform .16s var(--ease);}
.text-link::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-3px;
  height:1.5px;
  width:0;
  background:var(--ink);
  transition:width .18s var(--ease);
}
.text-link:hover::after{width:100%;}
.text-link:hover span{transform:translateX(3px);}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
}
.related-card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  transition:border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.related-card:hover{border-color:var(--lime);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.related-card img{width:100%;height:172px;object-fit:cover;transition:transform .18s var(--ease);}
.related-card:hover img{transform:scale(1.02);}
.related-card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.related-card-body .tag{align-self:flex-start;padding:4px 12px;font-size:12px;}
.related-card-body h3{
  font-size:17px;
  font-weight:600;
  line-height:1.45;
  color:var(--ink-2);
}
.related-card-body p{font-size:14px;line-height:1.65;color:var(--text-2);}
.related-card-foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-family:var(--font-num);
  font-size:12px;
  color:var(--text-3);
  letter-spacing:.03em;
  padding-top:12px;
  border-top:1px solid var(--line);
}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--ink);
  padding:64px 0;
}
.cta-band-inner{
  display:flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
  gap:18px;
}
.cta-band h2{
  color:var(--on-dark);
  font-size:clamp(24px,3vw,34px);
  font-weight:700;
  line-height:1.25;
}
.cta-band p{font-size:15px;color:var(--on-dark-2);max-width:52ch;}
.cta-band .btn-primary:hover{background:var(--on-dark);color:var(--ink);}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--ink);
  color:var(--on-dark);
  padding:64px 0 26px;
  border-top:1px solid var(--line-dark);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1.4fr 1.2fr;
  gap:44px;
  padding-bottom:44px;
  border-bottom:1px solid var(--line-dark);
}
.footer-brand .logo{color:var(--on-dark);font-size:18px;margin-bottom:14px;}
.footer-brand p{font-size:14px;line-height:1.7;color:var(--on-dark-2);max-width:24ch;}
.footer-title{
  font-size:12px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--on-dark-2);
  margin-bottom:16px;
}
.footer-links li + li{margin-top:10px;}
.footer-links a{
  font-size:14px;
  color:var(--on-dark);
  opacity:.82;
  transition:opacity .16s var(--ease),color .16s var(--ease);
}
.footer-links a:hover{opacity:1;color:var(--lime);}
.footer-news a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:10px 0;
  border-bottom:1px solid var(--line-dark);
  transition:color .16s var(--ease);
}
.footer-news a:last-child{border-bottom:0;}
.footer-news strong{font-size:14px;font-weight:600;color:var(--on-dark);opacity:.86;transition:opacity .16s var(--ease);}
.footer-news span{font-family:var(--font-num);font-size:12px;color:var(--on-dark-2);flex-shrink:0;letter-spacing:.03em;}
.footer-news a:hover strong{opacity:1;color:var(--lime);}
.footer-contact p{font-size:14px;color:var(--on-dark-2);line-height:1.9;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding-top:24px;
  font-size:12.5px;
  color:var(--on-dark-2);
}
.footer-bottom-links{display:flex;flex-wrap:wrap;gap:18px;}
.footer-bottom-links a{color:var(--on-dark-2);transition:color .16s var(--ease);}
.footer-bottom-links a:hover{color:var(--on-dark);}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .mega-panel{width:660px;grid-template-columns:1fr 1fr;}
  .mega-panel .mega-col:last-child{display:none;}
}
@media (max-width:1023px){
  :root{--header-h:60px;}
  .container{padding:0 24px;}
  .nav-toggle{
    display:inline-flex;
    flex-direction:column;
    justify-content:center;
    gap:4px;
    width:40px;
    height:40px;
    padding:0 9px;
    border:1px solid var(--line);
    border-radius:var(--radius-sm);
    cursor:pointer;
    background:#FFFFFF;
  }
  .nav-toggle span{display:block;height:2px;background:var(--ink);border-radius:2px;transition:transform .18s var(--ease),opacity .18s var(--ease);}
  .nav-toggle span:nth-child(2){width:70%;}
  .nav-checkbox:checked + .nav-drawer{transform:translateX(0);}
  .nav-drawer{
    position:fixed;
    top:var(--header-h);
    right:0;
    bottom:0;
    width:min(320px,86vw);
    background:#FFFFFF;
    border-left:1px solid var(--line);
    box-shadow:var(--shadow-2);
    padding:22px 20px 32px;
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    overflow-y:auto;
    transform:translateX(103%);
    transition:transform .22s var(--ease);
    z-index:95;
  }
  .nav-main{flex-direction:column;align-items:stretch;gap:0;}
  .nav-link{padding:14px 4px;font-size:16px;border-bottom:1px solid var(--line);border-radius:0;}
  .nav-link::after{display:none;}
  .nav-link.is-active{color:var(--ink);}
  .nav-link.is-active::before{
    content:"";
    display:inline-block;
    width:4px;height:14px;
    background:var(--lime);
    border-radius:2px;
    margin-right:10px;
    vertical-align:-2px;
  }
  .drawer-cta{display:flex;margin-top:22px;width:100%;}
  .header-cta{display:none;}
  .mega-wrap{display:none;}
  .header-inner{gap:14px;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:40px;}
  .article-side{position:static;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .article-head{padding:32px 0 24px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .article-head h1{max-width:none;margin-bottom:18px;}
  .article-body{padding:40px 0 56px;}
  .prose{font-size:16px;}
  .prose h2{margin-top:36px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
  .related{padding:56px 0;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .cta-band{padding:52px 0;}
  .site-footer{padding:52px 0 24px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:32px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px;}
  .logo{font-size:17px;}
}
@media (max-width:519px){
  .article-meta{gap:10px;font-size:12.5px;}
  .meta-chip{font-size:12px;padding:4px 12px;}
  .breadcrumb .current{max-width:24ch;}
  .btn{padding:13px 22px;font-size:14.5px;}
  .related-card img{height:150px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --ink:#12141A;
  --ink-2:#2B2F36;
  --text:#3A3F46;
  --text-2:#5A6068;
  --text-3:#8A8F96;
  --paper:#F4F1EA;
  --card:#FFFFFF;
  --paper-2:#EDE9E1;
  --line:#DEDAD2;
  --line-dark:rgba(244,241,234,.16);
  --lime:#C6F24E;
  --lime-deep:#A9D634;
  --ember:#FF6A3D;
  --on-dark:#F4F1EA;
  --on-dark-2:rgba(244,241,234,.66);
  --ok:#2F8F5B;
  --warn:#C4552B;
  --radius:14px;
  --radius-sm:10px;
  --shadow-1:0 1px 0 rgba(18,20,26,.05),0 10px 28px -16px rgba(18,20,26,.22);
  --shadow-2:0 16px 36px -18px rgba(18,20,26,.28);
  --font-sans:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:ui-monospace,"SF Mono","Roboto Mono","Menlo",monospace;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--paper);
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:var(--ink);text-decoration:none;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}
.section{padding:96px 0;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--shadow-1);}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;height:68px;
}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:800;letter-spacing:-.02em;
  color:var(--ink);white-space:nowrap;
}
.logo-mark{
  width:24px;height:24px;border-radius:7px;
  background:var(--lime);
  box-shadow:inset 0 0 0 2px var(--ink);
  flex:0 0 auto;
}
.nav-main{display:flex;align-items:center;gap:30px;}
.nav-link{
  position:relative;
  font-size:15px;font-weight:600;color:var(--text-2);
  padding:6px 0;
  transition:color .18s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;
  height:2px;width:0;background:var(--ink);
  transition:width .22s var(--ease);
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{width:100%;}
.nav-link.is-active{color:var(--ink);}
.nav-link.is-active::after{width:100%;background:var(--lime-deep);}
.header-actions{display:flex;align-items:center;gap:14px;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;
  border:1.5px solid transparent;
  border-radius:var(--radius-sm);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:background .2s var(--ease),color .2s var(--ease),transform .18s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{background:var(--lime);color:var(--ink);}
.btn-primary:hover{background:var(--ink);color:var(--lime);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:var(--on-dark);}
.btn-sm{padding:11px 20px;font-size:14px;}
.on-dark .btn-ghost{border-color:var(--on-dark);color:var(--on-dark);}
.on-dark .btn-ghost:hover{background:var(--on-dark);color:var(--ink);}

/* Mega 面板 */
.nav-mega{position:relative;}
.nav-mega-trigger{
  display:inline-flex;align-items:center;gap:7px;
  background:none;border:0;padding:6px 0;
  font-size:15px;font-weight:600;color:var(--text-2);
  transition:color .18s var(--ease);
}
.nav-mega-trigger .caret{
  width:7px;height:7px;
  border-right:2px solid currentColor;border-bottom:2px solid currentColor;
  transform:rotate(45deg) translateY(-2px);
  transition:transform .2s var(--ease);
}
.nav-mega:hover .nav-mega-trigger,
.nav-mega:focus-within .nav-mega-trigger{color:var(--ink);}
.nav-mega:hover .caret,
.nav-mega:focus-within .caret{transform:rotate(225deg) translateY(-2px);}
.mega-panel{
  position:absolute;top:calc(100% + 16px);right:0;
  width:780px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-1);
  padding:26px 28px;
  display:grid;grid-template-columns:1.1fr 1.1fr 1fr;gap:28px;
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity .16s var(--ease),transform .16s var(--ease),visibility .16s;
  z-index:90;
}
.nav-mega:hover .mega-panel,
.nav-mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-title{
  font-size:12px;font-weight:700;letter-spacing:.08em;
  color:var(--text-3);text-transform:uppercase;margin-bottom:14px;
}
.mega-list a{
  display:flex;align-items:center;gap:10px;
  padding:9px 0;
  font-size:14.5px;font-weight:600;color:var(--ink-2);
  border-bottom:1px solid transparent;
  transition:color .16s var(--ease),padding-left .16s var(--ease);
}
.mega-list a:hover{color:var(--ink);padding-left:4px;}
.mega-num{
  font-family:var(--font-num);font-size:12px;font-weight:700;
  color:var(--text-3);letter-spacing:.04em;
}
.mega-news a{display:block;padding:9px 0;border-bottom:1px solid var(--line);}
.mega-news a:last-child{border-bottom:0;}
.mega-news strong{display:block;font-size:14px;font-weight:600;color:var(--ink-2);line-height:1.5;}
.mega-news span{font-family:var(--font-num);font-size:12px;color:var(--text-3);letter-spacing:.04em;}
.mega-news a:hover strong{color:var(--ink);}
.mega-card{border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;background:var(--paper);}
.mega-card img{width:100%;height:96px;object-fit:cover;}
.mega-card p{padding:12px 12px 14px;font-size:12.5px;line-height:1.6;color:var(--text-2);}

.nav-toggle{
  display:none;background:none;border:1px solid var(--line);
  border-radius:8px;width:40px;height:38px;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:16px;height:2px;background:var(--ink);border-radius:2px;}

/* ---------- 页面头部 ---------- */
.page-hero{
  background:var(--ink);
  color:var(--on-dark);
  padding:56px 0 72px;
  position:relative;
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity:.16;
  filter:grayscale(.4);
  pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(18,20,26,.96) 0%,rgba(18,20,26,.78) 58%,rgba(18,20,26,.5) 100%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;align-items:center;gap:10px;
  font-size:12.5px;color:rgba(244,241,234,.6);
  margin-bottom:26px;flex-wrap:wrap;
}
.breadcrumb a{color:rgba(244,241,234,.72);transition:color .16s var(--ease);}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb .sep{color:rgba(244,241,234,.34);}
.breadcrumb .current{color:var(--on-dark);font-weight:600;}
.pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 15px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  border:1.5px solid var(--lime);
  color:var(--on-dark);
  background:rgba(198,242,78,.08);
  margin-bottom:22px;
}
.pill .dot{width:6px;height:6px;border-radius:50%;background:var(--lime);}
.page-hero h1{
  font-size:clamp(30px,4vw,52px);
  font-weight:800;line-height:1.1;letter-spacing:-.02em;
  max-width:16em;
  color:var(--on-dark);
}
.page-hero .lead{
  margin-top:20px;
  font-size:16.5px;line-height:1.75;
  color:rgba(244,241,234,.74);
  max-width:44em;
}
.stat-band{
  display:flex;flex-wrap:wrap;gap:0;
  margin-top:44px;
  border-top:1px solid var(--line-dark);
  padding-top:26px;
}
.stat-item{
  flex:1 1 0;min-width:150px;
  padding-right:26px;
  border-right:1px solid var(--line-dark);
  margin-right:26px;
}
.stat-item:last-child{border-right:0;margin-right:0;padding-right:0;}
.stat-num{
  font-family:var(--font-num);
  font-size:clamp(24px,2.6vw,32px);
  font-weight:800;letter-spacing:.04em;
  color:var(--on-dark);
  line-height:1.2;
}
.stat-num em{font-style:normal;font-size:.55em;color:var(--lime);margin-left:4px;}
.stat-label{margin-top:6px;font-size:12.5px;color:rgba(244,241,234,.6);letter-spacing:.02em;}

/* ---------- 通用标题 ---------- */
.section-head{max-width:720px;margin-bottom:52px;}
.eyebrow{
  display:inline-block;
  font-family:var(--font-num);
  font-size:12px;font-weight:700;letter-spacing:.14em;
  color:var(--lime-deep);
  text-transform:uppercase;
  margin-bottom:14px;
}
.section-head h2{
  font-size:clamp(26px,3.2vw,40px);
  font-weight:700;line-height:1.18;letter-spacing:-.02em;
  color:var(--ink);
}
.section-head p{
  margin-top:16px;
  font-size:15.5px;line-height:1.8;color:var(--text-2);
  max-width:38em;
}

/* ---------- 线路交替条 ---------- */
.routes-section{background:var(--paper);}
.route-row{
  position:relative;
  display:grid;
  grid-template-columns:5fr 6fr;
  gap:56px;
  align-items:center;
  padding:44px 0;
  border-bottom:1px solid var(--line);
}
.route-row:first-of-type{padding-top:0;}
.route-row:last-of-type{border-bottom:0;padding-bottom:0;}
.route-row:nth-child(even) .route-media{order:2;}
.route-row:nth-child(even) .route-body{order:1;}
.route-media{
  border-radius:var(--radius);
  overflow:hidden;
  background:var(--paper-2);
  box-shadow:var(--shadow-1);
  position:relative;
}
.route-media img{
  width:100%;height:300px;object-fit:cover;
  transition:transform .22s var(--ease);
}
.route-row:hover .route-media img{transform:scale(1.02);}
.route-media .media-tag{
  position:absolute;top:14px;left:14px;
  padding:6px 13px;border-radius:999px;
  background:var(--ink);color:var(--on-dark);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.route-body{padding-right:120px;}
.route-row:nth-child(even) .route-body{padding-right:120px;}
.route-body h2{
  font-size:clamp(21px,2.2vw,27px);
  font-weight:700;letter-spacing:-.01em;line-height:1.3;
  color:var(--ink);
  margin-bottom:14px;
}
.route-body p{
  font-size:15.5px;line-height:1.8;color:var(--text-2);
  max-width:34em;
}
.route-points{margin-top:20px;display:flex;flex-wrap:wrap;gap:10px 12px;}
.route-points li{
  font-size:13px;font-weight:600;color:var(--ink-2);
  background:var(--paper-2);
  border-radius:999px;
  padding:6px 14px;
}
.route-body .link-arrow{margin-top:24px;}
.route-index{
  position:absolute;top:40px;right:0;
  font-family:var(--font-num);
  font-size:clamp(44px,5vw,64px);
  font-weight:800;line-height:1;
  letter-spacing:.02em;
  color:rgba(18,20,26,.11);
  pointer-events:none;
  user-select:none;
}

.link-arrow{
  display:inline-flex;align-items:center;gap:7px;
  position:relative;
  font-size:14px;font-weight:700;color:var(--ink);
  padding-bottom:3px;
}
.link-arrow::after{
  content:"";position:absolute;left:0;bottom:0;
  height:1.5px;width:0;background:var(--ink);
  transition:width .22s var(--ease);
}
.link-arrow .arw{transition:transform .22s var(--ease);}
.link-arrow:hover::after{width:100%;}
.link-arrow:hover .arw{transform:translateX(3px);}

/* ---------- 状态速览 ---------- */
.status-section{background:var(--paper-2);}
.status-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:1px;background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
}
.status-cell{background:var(--card);padding:26px 22px 30px;}
.status-cell .sc-code{
  font-family:var(--font-num);font-size:12px;font-weight:700;
  letter-spacing:.1em;color:var(--text-3);
  margin-bottom:16px;
}
.status-cell h3{
  font-size:16px;font-weight:700;color:var(--ink);
  margin-bottom:8px;line-height:1.4;
}
.status-cell p{font-size:13.5px;line-height:1.7;color:var(--text-2);}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:16px;
  padding:5px 12px;border-radius:999px;
  font-size:12px;font-weight:700;letter-spacing:.02em;
}
.badge-ok{background:rgba(47,143,91,.1);color:var(--ok);}
.badge-warn{background:rgba(196,85,43,.1);color:var(--warn);}
.badge-ember{background:rgba(255,106,61,.12);color:#B9441B;}

/* ---------- 检查顺序（深色） ---------- */
.check-section{background:var(--ink);color:var(--on-dark);}
.check-section .section-head h2{color:var(--on-dark);}
.check-section .section-head p{color:rgba(244,241,234,.66);}
.check-wrap{display:grid;grid-template-columns:1.15fr 1fr;gap:64px;align-items:start;}
.check-list{counter-reset:chk;}
.check-item{
  display:flex;gap:20px;
  padding:24px 0;
  border-top:1px solid var(--line-dark);
}
.check-item:last-child{border-bottom:1px solid var(--line-dark);}
.check-num{
  font-family:var(--font-num);
  font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--lime);
  padding-top:4px;flex:0 0 34px;
}
.check-item h3{font-size:17px;font-weight:700;color:var(--on-dark);margin-bottom:8px;line-height:1.4;}
.check-item p{font-size:14.5px;line-height:1.8;color:rgba(244,241,234,.66);}
.check-aside{
  border:1px solid var(--line-dark);
  border-radius:var(--radius);
  padding:30px 28px;
  background:rgba(244,241,234,.04);
}
.check-aside h3{font-size:18px;font-weight:700;color:var(--on-dark);margin-bottom:14px;}
.check-aside p{font-size:14.5px;line-height:1.8;color:rgba(244,241,234,.66);margin-bottom:22px;}
.check-aside .aside-meta{
  display:flex;justify-content:space-between;gap:12px;
  padding:14px 0;
  border-top:1px solid var(--line-dark);
  font-size:13px;color:rgba(244,241,234,.6);
}
.check-aside .aside-meta b{
  font-family:var(--font-num);font-weight:700;color:var(--on-dark);letter-spacing:.04em;
}

/* ---------- 三步流程 ---------- */
.steps-section{background:var(--paper);}
.steps-row{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line);}
.step{
  padding:36px 30px 0 0;
  border-right:1px solid var(--line);
}
.step:last-child{border-right:0;padding-right:0;}
.step:not(:first-child){padding-left:30px;}
.step .step-num{
  font-family:var(--font-num);
  font-size:clamp(38px,4vw,54px);
  font-weight:800;line-height:1;
  color:rgba(18,20,26,.12);
  letter-spacing:.02em;
  margin-bottom:18px;
}
.step h3{font-size:19px;font-weight:700;color:var(--ink);margin-bottom:10px;line-height:1.4;}
.step p{font-size:14.5px;line-height:1.8;color:var(--text-2);max-width:26em;}
.step .link-arrow{margin-top:18px;}

/* ---------- FAQ ---------- */
.faq-section{background:var(--paper-2);}
.faq-grid{display:grid;grid-template-columns:0.85fr 1.4fr;gap:64px;align-items:start;}
.faq-left{position:sticky;top:96px;}
.faq-left h2{
  font-size:clamp(26px,3vw,36px);font-weight:700;
  line-height:1.2;letter-spacing:-.02em;color:var(--ink);
}
.faq-left p{margin-top:16px;font-size:15px;line-height:1.8;color:var(--text-2);max-width:22em;}
.faq-left .btn{margin-top:26px;}
.faq-item{border-top:1px solid var(--line);}
.faq-item:last-child{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  background:none;border:0;text-align:left;
  padding:22px 0 22px 0;
  font-size:16.5px;font-weight:600;line-height:1.55;color:var(--ink);
  transition:padding-left .2s var(--ease),color .18s var(--ease);
  position:relative;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;
  background:var(--lime);
  transform:scaleY(0);transform-origin:top;
  transition:transform .2s var(--ease);
}
.faq-q:hover{padding-left:14px;color:var(--ink);}
.faq-q:hover::before{transform:scaleY(1);}
.faq-icon{
  flex:0 0 auto;position:relative;width:16px;height:16px;margin-top:5px;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--ink-2);
  transition:transform .2s var(--ease),background .2s var(--ease);
}
.faq-icon::before{left:0;top:7px;width:16px;height:2px;}
.faq-icon::after{left:7px;top:0;width:2px;height:16px;}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0;}
.faq-item.is-open .faq-icon::before{background:var(--ink);}
.faq-a{
  display:none;
  padding:0 48px 24px 14px;
  font-size:15px;line-height:1.85;color:var(--text-2);
}
.faq-item.is-open .faq-a{display:block;}

/* ---------- 窄条 CTA ---------- */
.cta-strip{background:var(--ink);color:var(--on-dark);padding:64px 0;}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:36px;flex-wrap:wrap;
}
.cta-inner h2{
  font-size:clamp(22px,2.6vw,30px);font-weight:700;
  line-height:1.3;letter-spacing:-.01em;color:var(--on-dark);
  max-width:24em;
}
.cta-inner p{margin-top:10px;font-size:14.5px;color:rgba(244,241,234,.66);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);color:var(--on-dark);
  border-top:1px solid var(--line-dark);
  padding:72px 0 30px;
}
.footer-grid{
  display:grid;grid-template-columns:1.35fr .85fr 1fr 1fr;
  gap:44px;
  padding-bottom:48px;
  border-bottom:1px solid var(--line-dark);
}
.footer-brand .logo{color:var(--on-dark);font-size:18px;}
.footer-brand p{
  margin-top:16px;font-size:14px;line-height:1.8;
  color:rgba(244,241,234,.62);max-width:20em;
}
.footer-title{
  font-size:12px;font-weight:700;letter-spacing:.1em;
  text-transform:uppercase;color:rgba(244,241,234,.5);
  margin-bottom:18px;
}
.footer-links li{margin-bottom:11px;}
.footer-links a{
  font-size:14.5px;color:rgba(244,241,234,.76);
  transition:color .16s var(--ease);
}
.footer-links a:hover{color:var(--lime);}
.footer-news a{
  display:flex;justify-content:space-between;gap:14px;
  padding:11px 0;
  border-bottom:1px solid rgba(244,241,234,.09);
}
.footer-news a:last-child{border-bottom:0;}
.footer-news strong{
  font-size:13.5px;font-weight:600;color:rgba(244,241,234,.82);
  line-height:1.5;transition:color .16s var(--ease);
}
.footer-news span{
  font-family:var(--font-num);font-size:12px;
  color:rgba(244,241,234,.45);white-space:nowrap;
}
.footer-news a:hover strong{color:var(--lime);}
.footer-contact p{font-size:13.5px;line-height:1.9;color:rgba(244,241,234,.62);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;flex-wrap:wrap;
  padding-top:26px;
  font-size:12.5px;color:rgba(244,241,234,.55);
}
.footer-bottom-links{display:flex;gap:20px;flex-wrap:wrap;}
.footer-bottom-links a{color:rgba(244,241,234,.55);transition:color .16s var(--ease);}
.footer-bottom-links a:hover{color:var(--lime);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  .container{padding:0 24px;}
  .section{padding:72px 0;}
  .nav-main{gap:20px;}
  .nav-link{font-size:14px;}
  .mega-panel{width:600px;grid-template-columns:1fr 1fr;gap:22px;}
  .mega-panel .mega-col:last-child{display:none;}
  .route-row{gap:36px;grid-template-columns:1fr 1fr;}
  .route-body{padding-right:80px;}
  .route-row:nth-child(even) .route-body{padding-right:80px;}
  .route-media img{height:250px;}
  .status-grid{grid-template-columns:repeat(2,1fr);}
  .check-wrap{grid-template-columns:1fr;gap:44px;}
  .faq-grid{grid-template-columns:1fr;gap:40px;}
  .faq-left{position:static;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .steps-row{grid-template-columns:1fr;}
  .step{border-right:0;border-bottom:1px solid var(--line);padding:28px 0;}
  .step:not(:first-child){padding-left:0;}
  .step:last-child{border-bottom:0;}
}

@media screen and (max-width:767px){
  .header-inner{height:60px;}
  .nav-main{
    position:absolute;left:0;right:0;top:100%;
    background:#fff;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:flex-start;gap:0;
    padding:8px 24px 18px;
    display:none;
    box-shadow:var(--shadow-1);
  }
  .site-header.is-open .nav-main{display:flex;}
  .nav-link{width:100%;padding:13px 0;border-bottom:1px solid var(--line);font-size:15px;}
  .nav-link::after{display:none;}
  .nav-link.is-active{color:var(--ink);}
  .nav-toggle{display:flex;}
  .header-actions .btn-primary{display:none;}
  .nav-mega{display:none;}
  .page-hero{padding:40px 0 56px;}
  .page-hero .lead{font-size:15.5px;}
  .stat-band{gap:22px;margin-top:32px;}
  .stat-item{
    flex:1 1 100%;border-right:0;margin-right:0;padding-right:0;
    padding-bottom:16px;border-bottom:1px solid var(--line-dark);
  }
  .stat-item:last-child{padding-bottom:0;border-bottom:0;}
  .route-row{grid-template-columns:1fr;gap:22px;padding:32px 0;}
  .route-row:nth-child(even) .route-media{order:0;}
  .route-row:nth-child(even) .route-body{order:0;}
  .route-body,.route-row:nth-child(even) .route-body{padding-right:0;}
  .route-media img{height:210px;}
  .route-index{top:26px;font-size:42px;right:4px;}
  .status-grid{grid-template-columns:1fr;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-strip{padding:48px 0;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .site-footer{padding:56px 0 26px;}
}

@media screen and (max-width:519px){
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .logo{font-size:17px;}
  .page-hero h1{font-size:28px;}
  .btn{padding:13px 22px;font-size:14.5px;}
  .faq-a{padding-right:16px;}
  .route-media img{height:180px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:14px;}
}

/* roulang page: category2 */
:root{
  --ink:#12141A;
  --ink-2:#2B2F36;
  --text:#3A3F46;
  --text-2:#5A6068;
  --text-3:#8A8F96;
  --paper:#F4F1EA;
  --paper-2:#EDE9E1;
  --card:#FFFFFF;
  --line:#DEDAD2;
  --line-soft:#E8E4DC;
  --line-dark:rgba(244,241,234,.16);
  --lime:#C6F24E;
  --lime-deep:#A9D634;
  --ember:#FF6A3D;
  --on-dark:#F4F1EA;
  --on-dark-2:rgba(244,241,234,.66);
  --ok:#2F8F5B;
  --warn:#C4552B;
  --r-card:14px;
  --r-img:10px;
  --r-btn:10px;
  --shadow-1:0 1px 0 rgba(18,20,26,.05), 0 10px 28px -16px rgba(18,20,26,.22);
  --shadow-2:0 16px 36px -18px rgba(18,20,26,.28);
  --font-sans:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --font-num:ui-monospace,"SF Mono","Roboto Mono","Cascadia Mono",monospace;
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1240px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
a:hover{color:var(--ink);}
button{font-family:inherit;cursor:pointer;}
input,button,textarea,select{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
::selection{background:var(--lime);color:var(--ink);}

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

/* ---------- 通用元素 ---------- */
.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border:1px solid var(--lime-deep);
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--ink);
  background:rgba(198,242,78,.24);
}
.pill--dark{
  border-color:rgba(198,242,78,.5);
  background:rgba(198,242,78,.14);
  color:var(--on-dark);
}
.eyebrow{
  font-size:12px;
  font-weight:600;
  letter-spacing:.16em;
  color:var(--text-3);
  text-transform:uppercase;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 26px;
  border-radius:var(--r-btn);
  border:1.5px solid transparent;
  font-size:15px;
  font-weight:700;
  line-height:1.2;
  letter-spacing:.02em;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.btn-primary{
  background:var(--lime);
  color:var(--ink);
  border-color:var(--lime);
}
.btn-primary:hover{
  background:var(--ink);
  color:var(--lime);
  border-color:var(--ink);
  transform:translateY(-1px);
}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;
  color:var(--ink);
  border-color:var(--ink);
}
.btn-ghost:hover{
  background:var(--ink);
  color:var(--on-dark);
  transform:translateY(-1px);
}
.btn-ghost--dark{
  color:var(--on-dark);
  border-color:rgba(244,241,234,.5);
}
.btn-ghost--dark:hover{
  background:var(--on-dark);
  color:var(--ink);
  border-color:var(--on-dark);
}
.btn-sm{padding:11px 20px;font-size:14px;}
.btn:focus-visible,
.nav-link:focus-visible,
.mega-trigger:focus-visible,
.nav-toggle:focus-visible,
a:focus-visible,
summary:focus-visible{
  outline:2px solid var(--lime);
  outline-offset:3px;
  border-radius:6px;
}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  position:relative;
  font-size:14px;
  font-weight:600;
  color:var(--ink);
  padding-bottom:2px;
}
.link-arrow::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:0;
  height:1.5px;
  background:var(--ink);
  transition:width .2s var(--ease);
}
.link-arrow:hover::after{width:100%;}
.link-arrow .arw{transition:transform .2s var(--ease);display:inline-block;}
.link-arrow:hover .arw{transform:translateX(3px);}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--shadow-1);}
.header-inner{
  display:flex;
  align-items:center;
  gap:32px;
  height:68px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--ink);
  white-space:nowrap;
}
.logo-mark{
  width:24px;height:24px;
  border-radius:7px;
  background:var(--lime);
  box-shadow:inset 0 0 0 2px rgba(18,20,26,.9);
  flex:none;
}
.nav-main{
  display:flex;
  align-items:center;
  gap:28px;
  margin-right:auto;
}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:600;
  color:var(--text-2);
  padding:6px 0;
  transition:color .16s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:0;height:2px;
  background:var(--ink);
  transition:width .2s var(--ease);
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{width:100%;}
.nav-link.is-active{color:var(--ink);}
.nav-link.is-active::after{width:100%;background:var(--lime-deep);}
.nav-actions{
  display:flex;
  align-items:center;
  gap:14px;
  margin-left:auto;
}
.mega-wrap{position:relative;}
.mega-trigger{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:none;
  border:0;
  font-size:15px;
  font-weight:600;
  color:var(--text-2);
  padding:8px 2px;
  transition:color .16s var(--ease);
}
.mega-trigger:hover{color:var(--ink);}
.mega-trigger .caret{
  width:7px;height:7px;
  border-right:1.6px solid currentColor;
  border-bottom:1.6px solid currentColor;
  transform:rotate(45deg) translateY(-2px);
  transition:transform .18s var(--ease);
}
.mega-wrap:hover .mega-trigger .caret,
.mega-wrap:focus-within .mega-trigger .caret{transform:rotate(225deg) translateY(-1px);}
.mega-panel{
  position:absolute;
  top:calc(100% + 14px);
  right:0;
  width:min(820px,84vw);
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  padding:26px;
  display:grid;
  grid-template-columns:1.05fr 1fr .95fr;
  gap:26px;
  opacity:0;
  visibility:hidden;
  transform:translateY(-6px);
  transition:opacity .16s var(--ease),transform .16s var(--ease),visibility .16s;
}
.mega-wrap:hover .mega-panel,
.mega-wrap:focus-within .mega-panel{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}
.mega-col-title{
  font-size:12px;
  font-weight:700;
  letter-spacing:.12em;
  color:var(--text-3);
  margin-bottom:14px;
}
.mega-list li + li{border-top:1px solid var(--line-soft);}
.mega-list a{
  display:flex;
  align-items:center;
  gap:12px;
  padding:10px 0;
  font-size:14px;
  font-weight:600;
  color:var(--ink-2);
  transition:color .16s var(--ease);
}
.mega-list .num{
  font-family:var(--font-num);
  font-size:12px;
  color:var(--text-3);
  letter-spacing:.04em;
}
.mega-list a:hover{color:var(--ink);}
.mega-news a{
  display:block;
  padding:10px 0;
  border-top:1px solid var(--line-soft);
}
.mega-news a:first-of-type{border-top:0;padding-top:0;}
.mega-news strong{
  display:block;
  font-size:14px;
  font-weight:600;
  color:var(--ink-2);
  line-height:1.5;
  transition:color .16s var(--ease);
}
.mega-news a:hover strong{color:var(--ink);}
.mega-news span{
  font-family:var(--font-num);
  font-size:12px;
  color:var(--text-3);
  letter-spacing:.04em;
}
.mega-card{
  display:block;
  border:1px solid var(--line);
  border-radius:12px;
  overflow:hidden;
  background:var(--paper);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease),transform .18s var(--ease);
}
.mega-card:hover{
  border-color:var(--lime);
  box-shadow:var(--shadow-1);
  transform:translateY(-2px);
}
.mega-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.mega-card span.mega-card-txt{
  display:block;
  padding:12px 14px;
  font-size:13px;
  color:var(--text-2);
  line-height:1.6;
}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
  padding:0;
  position:relative;
}
.nav-toggle span{
  position:absolute;
  left:11px;
  width:18px;height:1.8px;
  background:var(--ink);
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.nav-toggle span:nth-child(1){top:14px;}
.nav-toggle span:nth-child(2){top:20px;}
.nav-toggle span:nth-child(3){top:26px;}
.site-header.nav-open .nav-toggle span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.site-header.nav-open .nav-toggle span:nth-child(2){opacity:0;}
.site-header.nav-open .nav-toggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.nav-cta-mobile{display:none;}
.nav-scrim{
  position:fixed;
  inset:0;
  background:rgba(18,20,26,.42);
  opacity:0;
  pointer-events:none;
  transition:opacity .22s var(--ease);
  z-index:55;
}
.nav-scrim.is-on{opacity:1;pointer-events:auto;}

/* ---------- 首屏 ---------- */
.page-hero{
  position:relative;
  background:var(--ink);
  color:var(--on-dark);
  overflow:hidden;
  padding:56px 0 0;
}
.page-hero-bg{
  position:absolute;
  inset:0;
  background-size:cover;
  background-position:center right;
  opacity:.34;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg,rgba(18,20,26,.96) 22%,rgba(18,20,26,.82) 52%,rgba(18,20,26,.42) 100%);
}
.page-hero .container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  color:rgba(244,241,234,.6);
  margin-bottom:32px;
}
.breadcrumb a{color:rgba(244,241,234,.6);transition:color .16s var(--ease);}
.breadcrumb a:hover{color:var(--on-dark);}
.breadcrumb .sep{color:rgba(244,241,234,.32);}
.breadcrumb .cur{color:var(--on-dark);font-weight:600;}
.page-hero h1{
  font-size:clamp(30px,4vw,52px);
  font-weight:800;
  line-height:1.1;
  letter-spacing:-.02em;
  color:var(--on-dark);
  max-width:15em;
  margin:18px 0 20px;
  animation:heroUp .5s var(--ease) both;
}
.page-hero .lede{
  font-size:17px;
  line-height:1.75;
  color:var(--on-dark-2);
  max-width:38em;
  animation:heroUp .5s .08s var(--ease) both;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:32px;
  animation:heroUp .5s .16s var(--ease) both;
}
@keyframes heroUp{
  from{opacity:0;transform:translateY(14px);}
  to{opacity:1;transform:translateY(0);}
}
.statband{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:0;
  margin-top:56px;
  border-top:1px solid var(--line-dark);
  padding:26px 0 34px;
}
.stat{
  padding-right:24px;
}
.stat + .stat{
  border-left:1px solid var(--line-dark);
  padding-left:28px;
}
.stat b{
  display:block;
  font-family:var(--font-num);
  font-size:clamp(26px,3vw,36px);
  font-weight:800;
  letter-spacing:.04em;
  color:var(--on-dark);
  line-height:1.1;
}
.stat b em{
  font-style:normal;
  font-size:.5em;
  color:var(--lime);
  margin-left:4px;
  letter-spacing:.02em;
}
.stat span{
  display:block;
  margin-top:6px;
  font-size:13px;
  color:rgba(244,241,234,.58);
}

/* ---------- 板块 ---------- */
.section{padding:96px 0;}
.section--alt{background:var(--paper-2);}
.section--paper{background:var(--paper);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  margin-bottom:48px;
}
.section-head h2{
  font-size:clamp(26px,3.2vw,40px);
  font-weight:700;
  line-height:1.18;
  letter-spacing:-.02em;
  color:var(--ink);
  margin-top:12px;
  max-width:22em;
}
.section-head p{
  max-width:34em;
  font-size:15px;
  color:var(--text-2);
  margin-top:12px;
}

/* 三条要点 */
.point-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:0;
  border-top:1px solid var(--line);
}
.point{
  padding:36px 32px 8px 0;
}
.point + .point{
  border-left:1px solid var(--line);
  padding-left:36px;
}
.point .idx{
  display:block;
  font-family:var(--font-num);
  font-size:48px;
  font-weight:800;
  line-height:1;
  letter-spacing:.02em;
  color:rgba(18,20,26,.13);
  margin-bottom:18px;
}
.point h3{
  font-size:20px;
  font-weight:600;
  color:var(--ink);
  line-height:1.4;
  margin-bottom:10px;
}
.point p{
  font-size:14.5px;
  line-height:1.7;
  color:var(--text-2);
  margin-bottom:18px;
}

/* 时间线 + 双列卡片 */
.stage-layout{
  display:grid;
  grid-template-columns:300px 1fr;
  gap:56px;
  align-items:start;
}
.stage-rail{
  position:sticky;
  top:100px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px 26px;
  box-shadow:var(--shadow-1);
}
.stage-rail .eyebrow{margin-bottom:22px;}
.rail{position:relative;}
.rail::before{
  content:"";
  position:absolute;
  left:9px;
  top:8px;
  bottom:14px;
  width:2px;
  background:var(--line);
  border-radius:2px;
}
.rail-item{
  position:relative;
  padding:0 0 26px 34px;
}
.rail-item:last-child{padding-bottom:6px;}
.rail-item::before{
  content:"";
  position:absolute;
  left:3px;
  top:6px;
  width:14px;height:14px;
  border-radius:50%;
  background:#fff;
  border:2px solid var(--line);
  transition:border-color .18s var(--ease),background .18s var(--ease);
}
.rail-item.is-current::before{
  border-color:var(--lime-deep);
  background:var(--lime);
  box-shadow:0 0 0 4px rgba(198,242,78,.28);
}
.rail-item .rn{
  font-family:var(--font-num);
  font-size:11.5px;
  letter-spacing:.08em;
  color:var(--text-3);
}
.rail-item strong{
  display:block;
  font-size:15px;
  font-weight:600;
  color:var(--ink);
  margin-top:3px;
}
.rail-item small{
  display:block;
  font-size:12.5px;
  color:var(--text-3);
  line-height:1.6;
  margin-top:4px;
}
.stage-rail .link-arrow{margin-top:22px;}

.stage-cards{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.mcard{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease),transform .18s var(--ease);
}
.mcard:hover{
  border-color:var(--lime);
  box-shadow:var(--shadow-2);
  transform:translateY(-2px);
}
.mcard-media{
  position:relative;
  overflow:hidden;
  background:var(--paper-2);
}
.mcard-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:0;
  transition:transform .18s var(--ease);
}
.mcard:hover .mcard-media img{transform:scale(1.02);}
.mcard-tag{
  position:absolute;
  top:12px;left:12px;
  padding:4px 11px;
  border-radius:999px;
  background:rgba(255,255,255,.94);
  color:var(--ink);
  font-size:11.5px;
  font-weight:700;
  letter-spacing:.04em;
}
.mcard-body{
  padding:22px 22px 24px;
  display:flex;
  flex-direction:column;
  gap:8px;
  flex:1;
}
.mcard-body h3{
  font-size:19px;
  font-weight:600;
  line-height:1.4;
  color:var(--ink);
}
.mcard-body p{
  font-size:14.5px;
  line-height:1.7;
  color:var(--text-2);
}
.mcard-meta{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  margin-top:auto;
  padding-top:14px;
}
.chip{
  display:inline-flex;
  align-items:center;
  padding:3px 10px;
  border-radius:999px;
  background:var(--paper-2);
  color:var(--text-2);
  font-size:11.5px;
  font-weight:600;
  letter-spacing:.03em;
}

/* 判定说明 图文交替 */
.rule-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
  padding:44px 0;
  border-top:1px solid var(--line);
}
.rule-row:first-of-type{border-top:0;padding-top:0;}
.rule-row.reverse .rule-media{order:2;}
.rule-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:var(--r-img);
  border:1px solid var(--line);
}
.rule-body h3{
  font-size:clamp(20px,2.2vw,26px);
  font-weight:700;
  line-height:1.35;
  letter-spacing:-.01em;
  color:var(--ink);
  margin-bottom:14px;
}
.rule-body p{
  font-size:15px;
  line-height:1.8;
  color:var(--text-2);
  margin-bottom:14px;
}
.rule-list{margin:0 0 20px;}
.rule-list li{
  position:relative;
  padding-left:20px;
  font-size:14.5px;
  line-height:1.8;
  color:var(--text-2);
}
.rule-list li::before{
  content:"";
  position:absolute;
  left:2px;top:.82em;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--lime-deep);
}

/* FAQ */
.faq-layout{
  display:grid;
  grid-template-columns:340px 1fr;
  gap:64px;
  align-items:start;
}
.faq-aside{position:sticky;top:100px;}
.faq-aside h2{
  font-size:clamp(26px,3vw,38px);
  font-weight:700;
  line-height:1.2;
  letter-spacing:-.02em;
  color:var(--ink);
  margin-top:12px;
}
.faq-aside p{
  font-size:15px;
  color:var(--text-2);
  margin:16px 0 26px;
}
.faq-item{
  border-top:1px solid var(--line);
}
.faq-item:last-child{border-bottom:1px solid var(--line);}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 0;
  font-size:16.5px;
  font-weight:600;
  color:var(--ink);
  cursor:pointer;
  list-style:none;
  transition:color .16s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::marker{display:none;content:"";}
.faq-item summary .plus{
  position:relative;
  width:18px;height:18px;
  flex:none;
  transition:transform .2s var(--ease);
}
.faq-item summary .plus::before,
.faq-item summary .plus::after{
  content:"";
  position:absolute;
  background:var(--ink-2);
  border-radius:2px;
}
.faq-item summary .plus::before{left:0;top:8px;width:18px;height:1.8px;}
.faq-item summary .plus::after{left:8px;top:0;width:1.8px;height:18px;}
.faq-item[open] summary .plus{transform:rotate(45deg);}
.faq-item summary:hover{color:var(--ink-2);}
.faq-item[open] summary{
  color:var(--ink);
  box-shadow:inset 3px 0 0 var(--lime);
  padding-left:16px;
  transition:padding-left .18s var(--ease),box-shadow .18s var(--ease);
}
.faq-answer{
  padding:0 0 24px 16px;
  font-size:15px;
  line-height:1.8;
  color:var(--text-2);
  max-width:56em;
}

/* CTA 窄条 */
.cta-band{
  background:var(--ink);
  color:var(--on-dark);
  padding:72px 0;
  text-align:center;
}
.cta-band h2{
  font-size:clamp(24px,3vw,34px);
  font-weight:700;
  line-height:1.25;
  letter-spacing:-.01em;
  color:var(--on-dark);
  max-width:20em;
  margin:0 auto 16px;
}
.cta-band p{
  font-size:15px;
  color:var(--on-dark-2);
  max-width:34em;
  margin:0 auto 30px;
}
.cta-band .hero-actions{justify-content:center;margin-top:0;}

/* Footer */
.site-footer{
  background:var(--ink);
  color:var(--on-dark);
  border-top:1px solid var(--line-dark);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1.1fr 1.1fr;
  gap:48px;
  padding-bottom:48px;
}
.footer-brand .logo{color:var(--on-dark);font-size:19px;}
.footer-brand p{
  margin-top:14px;
  font-size:14px;
  line-height:1.7;
  color:var(--on-dark-2);
  max-width:20em;
}
.footer-title{
  font-size:12px;
  font-weight:700;
  letter-spacing:.14em;
  color:rgba(244,241,234,.5);
  margin-bottom:16px;
}
.footer-links li{margin-bottom:10px;}
.footer-links a{
  font-size:14px;
  color:rgba(244,241,234,.78);
  transition:color .16s var(--ease);
}
.footer-links a:hover{color:var(--lime);}
.footer-news a{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:12px;
  padding:9px 0;
  border-bottom:1px solid var(--line-dark);
}
.footer-news a:last-child{border-bottom:0;}
.footer-news strong{
  font-size:13.5px;
  font-weight:600;
  color:rgba(244,241,234,.82);
  transition:color .16s var(--ease);
}
.footer-news a:hover strong{color:var(--lime);}
.footer-news span{
  font-family:var(--font-num);
  font-size:12px;
  color:rgba(244,241,234,.44);
  white-space:nowrap;
}
.footer-contact p{
  font-size:13.5px;
  line-height:1.9;
  color:var(--on-dark-2);
}
.footer-bottom{
  border-top:1px solid var(--line-dark);
  padding:22px 0 26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
}
.footer-bottom p,
.footer-bottom a{
  font-size:12.5px;
  color:rgba(244,241,234,.6);
}
.footer-bottom-links{
  display:flex;
  flex-wrap:wrap;
  gap:18px;
}
.footer-bottom a:hover{color:var(--on-dark);}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .stage-layout{grid-template-columns:260px 1fr;gap:36px;}
  .faq-layout{grid-template-columns:300px 1fr;gap:44px;}
}
@media (max-width:1023px){
  .header-inner{height:60px;gap:16px;}
  .nav-main{
    position:fixed;
    top:0;right:0;
    width:min(86vw,340px);
    height:100vh;
    background:#fff;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:80px 24px 32px;
    overflow-y:auto;
    transform:translateX(105%);
    transition:transform .24s var(--ease);
    box-shadow:-24px 0 60px -30px rgba(18,20,26,.45);
    z-index:58;
    margin-right:0;
  }
  .site-header.nav-open .nav-main{transform:translateX(0);}
  .nav-link{
    display:block;
    padding:15px 0;
    font-size:16px;
    border-bottom:1px solid var(--line-soft);
  }
  .nav-link::after{display:none;}
  .nav-link.is-active{color:var(--ink);}
  .nav-link.is-active::before{
    content:"";
    display:inline-block;
    width:6px;height:6px;
    border-radius:50%;
    background:var(--lime-deep);
    margin-right:8px;
    vertical-align:middle;
  }
  .nav-cta-mobile{
    display:inline-flex;
    margin-top:22px;
    width:100%;
  }
  .mega-wrap{display:none;}
  .nav-toggle{display:block;}
  .header-cta{display:none;}
  .mega-panel{display:none;}
  .section{padding:72px 0;}
  .page-hero{padding:44px 0 0;}
  .stage-layout{grid-template-columns:1fr;gap:32px;}
  .stage-rail{position:static;}
  .stage-cards{grid-template-columns:repeat(2,1fr);}
  .faq-layout{grid-template-columns:1fr;gap:32px;}
  .faq-aside{position:static;}
  .rule-row{grid-template-columns:1fr;gap:28px;padding:36px 0;}
  .rule-row.reverse .rule-media{order:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .point{padding:28px 22px 4px 0;}
  .point + .point{padding-left:24px;}
  .point .idx{font-size:38px;}
}
@media (max-width:767px){
  .container{padding:0 24px;}
  .section{padding:56px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:32px;}
  .point-grid{grid-template-columns:1fr;border-top:0;}
  .point{padding:0 0 28px;border-bottom:1px solid var(--line);}
  .point + .point{border-left:0;padding-left:0;padding-top:28px;}
  .point:last-child{border-bottom:0;padding-bottom:0;}
  .stage-cards{grid-template-columns:1fr;}
  .statband{grid-template-columns:1fr;gap:20px;padding:22px 0 28px;}
  .stat{padding-right:0;}
  .stat + .stat{border-left:0;padding-left:0;border-top:1px solid var(--line-dark);padding-top:20px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:14px;}
  .cta-band{padding:56px 0;}
  .mcard-body{padding:20px 18px 22px;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  .page-hero h1{font-size:30px;}
  .hero-actions .btn{width:100%;}
  .cta-band .hero-actions .btn{width:100%;}
  .faq-item summary{font-size:15.5px;padding:18px 0;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
}

/* roulang page: category3 */
:root{
  --ink:#12141A;
  --ink-2:#2B2F36;
  --text:#3A3F46;
  --text-2:#5A6068;
  --text-3:#8A8F96;
  --paper:#F4F1EA;
  --card:#FFFFFF;
  --paper-2:#EDE9E1;
  --line:#DEDAD2;
  --line-dark:rgba(244,241,234,.16);
  --lime:#C6F24E;
  --lime-deep:#A9D634;
  --ember:#FF6A3D;
  --on-dark:#F4F1EA;
  --on-dark-2:rgba(244,241,234,.66);
  --ok:#2F8F5B;
  --warn:#C4552B;
  --font-sans:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:ui-monospace,"SF Mono","Roboto Mono","Courier New",monospace;
  --shadow-1:0 1px 0 rgba(18,20,26,.05),0 10px 28px -16px rgba(18,20,26,.22);
  --shadow-2:0 16px 36px -18px rgba(18,20,26,.28);
  --r-card:14px;
  --r-img:10px;
  --r-btn:10px;
  --max:1240px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;border-radius:var(--r-img);}
button{font-family:inherit;}
input,textarea,select{font-family:inherit;font-size:15px;}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:4px;}

.container{
  width:100%;
  max-width:var(--max);
  margin:0 auto;
  padding:0 32px;
}
.section{padding:96px 0;}
.section--tight{padding:64px 0;}
.section--paper2{background:var(--paper-2);}
.section--dark{background:var(--ink);color:var(--on-dark);}
.section--dark .lead,
.section--dark p{color:var(--on-dark-2);}

.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:44px;}
.section-head h2{margin-bottom:10px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--ink);
  position:relative;padding-bottom:3px;white-space:nowrap;
}
.link-arrow::after{
  content:"";position:absolute;left:0;bottom:0;height:1.5px;width:0;background:var(--ink);
  transition:width .22s var(--ease);
}
.link-arrow:hover::after{width:100%;}
.link-arrow .arw{transition:transform .2s var(--ease);}
.link-arrow:hover .arw{transform:translateX(3px);}

h1{font-size:clamp(30px,4vw,52px);font-weight:800;line-height:1.1;letter-spacing:-.02em;color:var(--ink);}
h2{font-size:clamp(26px,3.2vw,40px);font-weight:700;line-height:1.18;letter-spacing:-.02em;color:var(--ink);}
h3{font-size:19px;font-weight:600;line-height:1.4;color:var(--ink);letter-spacing:-.01em;}
.lead{font-size:16px;color:var(--text-2);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.06em;
  padding:6px 14px;border-radius:999px;
  border:1px solid var(--line);color:var(--ink);background:var(--card);
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.btn-primary{background:var(--lime);color:var(--ink);}
.btn-primary:hover{background:var(--ink);color:var(--lime);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:var(--on-dark);}
.btn-dark{background:var(--ink);color:var(--on-dark);}
.btn-dark:hover{background:var(--lime);color:var(--ink);transform:translateY(-1px);}
.btn-on-dark{background:transparent;color:var(--on-dark);border-color:rgba(244,241,234,.4);}
.btn-on-dark:hover{border-color:var(--on-dark);background:rgba(244,241,234,.08);}
.btn-sm{padding:10px 18px;font-size:14px;}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--shadow-1);}
.header-inner{
  display:flex;align-items:center;gap:28px;
  height:68px;
}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:800;letter-spacing:-.02em;color:var(--ink);
  white-space:nowrap;
}
.logo-mark{
  width:24px;height:24px;border-radius:6px;
  background:var(--lime);display:inline-block;
  position:relative;flex:0 0 auto;
}
.logo-mark::after{
  content:"";position:absolute;inset:7px;border-radius:2px;background:var(--ink);
}
.nav-main{display:flex;align-items:center;gap:26px;margin-left:8px;}
.nav-link{
  position:relative;font-size:15px;font-weight:600;color:var(--text-2);
  padding:6px 0;transition:color .16s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--ink);
  transition:width .2s var(--ease);
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{width:100%;}
.nav-link.is-active{color:var(--ink);}
.nav-link.is-active::after{width:100%;background:var(--lime-deep);}

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

.mega-wrap{position:relative;}
.mega-trigger{
  background:none;border:0;padding:8px 4px;cursor:pointer;
  font-size:15px;font-weight:600;color:var(--text-2);
  display:inline-flex;align-items:center;gap:6px;
  transition:color .16s var(--ease);
}
.mega-trigger::after{content:"";width:6px;height:6px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg) translateY(-2px);transition:transform .2s var(--ease);}
.mega-wrap:hover .mega-trigger,
.mega-wrap:focus-within .mega-trigger{color:var(--ink);}
.mega-wrap:hover .mega-trigger::after,
.mega-wrap:focus-within .mega-trigger::after{transform:rotate(225deg) translateY(-2px);}
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:-80px;width:820px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  padding:28px;
  display:grid;grid-template-columns:1.05fr 1.15fr 1fr;gap:28px;
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity .16s var(--ease),transform .16s var(--ease),visibility .16s;
}
.mega-wrap:hover .mega-panel,
.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-col-title{
  font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--text-3);
  margin-bottom:14px;text-transform:none;
}
.mega-list li + li{margin-top:12px;}
.mega-list a{
  display:flex;align-items:baseline;gap:10px;
  font-size:14.5px;font-weight:600;color:var(--ink);
  transition:color .16s var(--ease);
}
.mega-list a:hover{color:var(--lime-deep);}
.mega-num{font-family:var(--font-num);font-size:12px;color:var(--text-3);letter-spacing:.04em;}
.mega-news a{display:block;font-size:14px;font-weight:600;color:var(--ink);line-height:1.5;}
.mega-news a:hover{text-decoration:underline;}
.mega-news span{display:block;font-family:var(--font-num);font-size:12px;color:var(--text-3);margin-top:2px;}
.mega-news li + li{margin-top:14px;}
.mega-entry{
  border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--paper);
}
.mega-entry img{width:100%;height:104px;object-fit:cover;border-radius:0;}
.mega-entry .mega-entry-body{padding:12px 14px 14px;}
.mega-entry strong{display:block;font-size:14px;color:var(--ink);}
.mega-entry p{font-size:12.5px;color:var(--text-2);line-height:1.6;margin-top:4px;}

.nav-toggle{
  display:none;background:#fff;border:1px solid var(--line);border-radius:9px;
  padding:9px 14px;font-size:14px;font-weight:600;color:var(--ink);cursor:pointer;
}
.nav-toggle:hover{border-color:var(--ink);}

.mobile-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:#fff;
  padding:18px 20px 24px;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a{
  display:block;padding:12px 2px;font-size:15px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.mobile-drawer a.is-active{color:var(--lime-deep);}
.mobile-drawer .btn{width:100%;margin-top:18px;}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  background:var(--ink);
  color:var(--on-dark);
  overflow:hidden;
  padding:92px 0 84px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center right;
  opacity:.34;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg, rgba(18,20,26,.98) 0%, rgba(18,20,26,.92) 42%, rgba(18,20,26,.42) 100%);
}
.page-hero .container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:12.5px;color:var(--on-dark-2);margin-bottom:26px;
}
.breadcrumb a{color:var(--on-dark-2);transition:color .16s var(--ease);}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .cur{color:var(--on-dark);}
.page-hero h1{color:var(--on-dark);max-width:14em;margin:18px 0 20px;}
.hero-sub{font-size:16.5px;color:var(--on-dark-2);max-width:34em;line-height:1.8;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.04em;
  padding:7px 15px;border-radius:999px;
  border:1px solid var(--lime);color:var(--lime);
  background:rgba(198,242,78,.07);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.stat-strip{
  display:flex;flex-wrap:wrap;gap:0;
  margin-top:48px;
  border-top:1px solid var(--line-dark);
  padding-top:26px;
}
.stat{
  flex:1 1 0;min-width:150px;padding:0 26px;
  border-left:1px solid var(--line-dark);
}
.stat:first-child{padding-left:0;border-left:0;}
.stat b{
  display:block;font-family:var(--font-num);font-size:30px;font-weight:800;
  letter-spacing:.04em;color:var(--on-dark);line-height:1.1;
}
.stat span{display:block;font-size:12.5px;color:var(--on-dark-2);margin-top:8px;}
.stat b em{font-style:normal;color:var(--lime);font-size:15px;margin-left:3px;}

/* ---------- Reward mosaic ---------- */
.reward-grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:24px;
}
.rcard{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px;
  display:flex;flex-direction:column;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.rcard:hover{transform:translateY(-2px);border-color:var(--lime);box-shadow:var(--shadow-2);}
.rcard .tag{
  align-self:flex-start;
  font-size:12px;font-weight:600;letter-spacing:.02em;
  padding:5px 12px;border-radius:999px;
  background:var(--paper-2);color:var(--ink-2);margin-bottom:16px;
}
.rcard .tag--lime{background:rgba(198,242,78,.28);color:#3E4C10;}
.rcard .tag--ember{background:rgba(255,106,61,.12);color:#B4431F;}
.rcard h3{margin-bottom:10px;}
.rcard p{font-size:14.5px;line-height:1.68;color:var(--text-2);}
.rcard-meta{
  margin-top:auto;padding-top:18px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  border-top:1px dashed var(--line);
  font-family:var(--font-num);font-size:12.5px;color:var(--text-3);letter-spacing:.03em;
}
.rcard-meta .go{color:var(--ink);font-family:var(--font-sans);font-weight:600;font-size:13px;}
.rcard:hover .rcard-meta .go{color:var(--lime-deep);}

.rcard--feature{grid-column:span 7;grid-row:span 2;padding:0;overflow:hidden;}
.rcard--feature .fig{position:relative;height:260px;overflow:hidden;border-radius:0;}
.rcard--feature .fig img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .18s var(--ease);}
.rcard--feature:hover .fig img{transform:scale(1.02);}
.rcard--feature .fig .tag{position:absolute;left:18px;top:18px;margin:0;background:var(--lime);color:var(--ink);}
.rcard--feature .body{padding:26px;display:flex;flex-direction:column;flex:1;}
.rcard--feature h3{font-size:23px;}
.rcard--feature p{font-size:15px;}

.rcard--small{grid-column:span 5;}
.rcard--mid{grid-column:span 4;}
.rcard--img{padding:0;overflow:hidden;position:relative;}
.rcard--img img{width:100%;height:100%;object-fit:cover;border-radius:0;position:absolute;inset:0;transition:transform .18s var(--ease);}
.rcard--img:hover img{transform:scale(1.02);}
.rcard--img .veil{
  position:relative;z-index:2;height:100%;min-height:250px;
  display:flex;flex-direction:column;justify-content:flex-end;
  padding:26px;color:var(--on-dark);
  background:linear-gradient(180deg,rgba(18,20,26,.05) 30%,rgba(18,20,26,.86) 100%);
}
.rcard--img .veil h3{color:var(--on-dark);font-size:18px;}
.rcard--img .veil p{color:rgba(244,241,234,.78);font-size:13.5px;line-height:1.65;margin-top:8px;}

/* ---------- Steps ---------- */
.steps{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);
  margin-top:8px;
}
.step{
  padding:32px 26px 6px;
  border-left:1px solid var(--line);
  position:relative;
}
.step:first-child{border-left:0;padding-left:0;}
.step .num{
  font-family:var(--font-num);font-size:52px;font-weight:800;line-height:1;
  color:rgba(18,20,26,.12);letter-spacing:.02em;display:block;margin-bottom:14px;
}
.step h3{font-size:18px;margin-bottom:8px;}
.step p{font-size:14.5px;color:var(--text-2);line-height:1.7;}

/* ---------- Progress timeline ---------- */
.progress-block{
  display:grid;grid-template-columns:1.45fr 1fr;gap:60px;align-items:center;
}
.track{
  position:relative;height:4px;border-radius:999px;
  background:rgba(244,241,234,.16);margin:46px 0 0;
}
.track-fill{
  position:absolute;left:0;top:0;height:100%;border-radius:999px;
  background:var(--lime);width:0;
  animation:grow 900ms var(--ease) 120ms forwards;
}
@keyframes grow{to{width:var(--progress,68%);}}
.nodes{display:grid;grid-template-columns:repeat(4,1fr);margin-top:-8px;}
.node{position:relative;padding-top:28px;}
.node::before{
  content:"";position:absolute;top:-8px;left:0;
  width:12px;height:12px;border-radius:50%;
  background:var(--ink);border:2px solid rgba(244,241,234,.4);
}
.node.done::before{background:var(--lime);border-color:var(--lime);}
.node.current::before{background:var(--lime);border-color:rgba(198,242,78,.35);box-shadow:0 0 0 4px rgba(198,242,78,.18);}
.node .idx{font-family:var(--font-num);font-size:12px;color:var(--on-dark-2);letter-spacing:.06em;}
.node .name{display:block;font-size:14px;font-weight:600;color:var(--on-dark);margin-top:4px;}
.node .state{display:block;font-size:12px;color:var(--on-dark-2);margin-top:3px;}
.progress-side h2{color:var(--on-dark);margin-bottom:16px;}
.progress-side p{font-size:15px;line-height:1.8;}
.progress-side .btn{margin-top:26px;}

/* ---------- Table ---------- */
.table-wrap{
  border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--card);overflow:auto;
}
table.tiers{width:100%;border-collapse:collapse;min-width:680px;}
table.tiers th,table.tiers td{
  padding:18px 22px;text-align:left;font-size:14.5px;
  border-bottom:1px solid var(--line);
}
table.tiers thead th{
  font-size:12.5px;font-weight:700;letter-spacing:.06em;
  color:var(--text-3);background:var(--paper-2);
  border-bottom:1px solid var(--line);
}
table.tiers tbody tr:last-child td{border-bottom:0;}
table.tiers tbody tr{transition:background-color .16s var(--ease);}
table.tiers tbody tr:hover{background:#FBFAF7;}
table.tiers td:first-child{font-weight:600;color:var(--ink);}
table.tiers .mono{font-family:var(--font-num);letter-spacing:.03em;color:var(--text-2);}
.pill{
  display:inline-block;padding:3px 10px;border-radius:999px;
  font-size:12px;font-weight:600;
}
.pill--ok{background:rgba(47,143,91,.1);color:var(--ok);}
.pill--wait{background:rgba(196,85,43,.1);color:var(--warn);}
.pill--ready{background:rgba(169,214,52,.22);color:#48600C;}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:64px;align-items:start;}
.faq-side{position:sticky;top:96px;}
.faq-side h2{margin-bottom:14px;}
.faq-side p{font-size:15px;color:var(--text-2);line-height:1.8;max-width:22em;}
.faq-side .btn{margin-top:26px;}
.faq-list{border-bottom:1px solid var(--line);}
.faq-item{border-top:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:22px 44px 22px 16px;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:26px;
  width:3px;height:18px;border-radius:2px;background:var(--lime);
  transform:scaleY(0);transform-origin:top;transition:transform .2s var(--ease);
}
.faq-item summary::after{
  content:"+";position:absolute;right:8px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--text-3);line-height:1;
  transition:transform .2s var(--ease),color .2s var(--ease);
}
.faq-item[open] summary::before{transform:scaleY(1);}
.faq-item[open] summary::after{content:"−";color:var(--ink);}
.faq-answer{padding:0 44px 24px 16px;font-size:15px;line-height:1.85;color:var(--text-2);}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink);color:var(--on-dark);
  padding:64px 0;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-60px;top:-80px;
  width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(198,242,78,.16),transparent 68%);
}
.cta-inner{position:relative;z-index:2;text-align:center;max-width:760px;margin:0 auto;}
.cta-inner h2{color:var(--on-dark);margin-bottom:14px;}
.cta-inner p{color:var(--on-dark-2);font-size:15.5px;line-height:1.8;}
.cta-inner .btn{margin-top:30px;}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:var(--on-dark);border-top:1px solid var(--line-dark);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr .9fr 1.15fr 1fr;gap:44px;}
.site-footer .logo{color:var(--on-dark);margin-bottom:16px;}
.footer-brand p{font-size:13.5px;color:var(--on-dark-2);line-height:1.75;max-width:22em;}
.footer-title{font-size:12px;font-weight:700;letter-spacing:.08em;color:rgba(244,241,234,.5);margin-bottom:18px;}
.footer-links li + li{margin-top:11px;}
.footer-links a{font-size:14px;color:var(--on-dark-2);transition:color .16s var(--ease);}
.footer-links a:hover{color:var(--lime);}
.footer-news a{display:block;margin-bottom:14px;}
.footer-news strong{display:block;font-size:14px;font-weight:600;color:var(--on-dark);line-height:1.5;transition:color .16s var(--ease);}
.footer-news a:hover strong{color:var(--lime);}
.footer-news span{display:block;font-family:var(--font-num);font-size:12px;color:rgba(244,241,234,.45);margin-top:3px;}
.footer-contact p{font-size:13.5px;color:var(--on-dark-2);line-height:1.9;}
.footer-bottom{
  margin-top:56px;padding:20px 0 26px;
  border-top:1px solid var(--line-dark);
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
}
.footer-bottom p{font-size:12.5px;color:rgba(244,241,234,.6);}
.footer-bottom-links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom-links a{font-size:12.5px;color:rgba(244,241,234,.6);transition:color .16s var(--ease);}
.footer-bottom-links a:hover{color:var(--lime);}

/* ---------- Responsive ---------- */
@media screen and (max-width:1279px){
  .mega-panel{right:-40px;width:760px;}
}
@media screen and (max-width:1023px){
  .section{padding:72px 0;}
  .container{padding:0 24px;}
  .nav-main{display:none;}
  .nav-toggle{display:inline-flex;}
  .mega-wrap{display:none;}
  .header-actions .btn-primary{display:none;}
  .page-hero{padding:64px 0 60px;}
  .reward-grid{gap:18px;}
  .rcard--feature{grid-column:span 12;grid-row:auto;}
  .rcard--small,.rcard--mid{grid-column:span 6;}
  .rcard--img{grid-column:span 12;}
  .rcard--img .veil{min-height:220px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .step{padding:28px 20px 6px;}
  .step:nth-child(odd){border-left:0;padding-left:0;}
  .progress-block{grid-template-columns:1fr;gap:36px;}
  .faq-layout{grid-template-columns:1fr;gap:36px;}
  .faq-side{position:static;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media screen and (max-width:639px){
  .section{padding:56px 0;}
  .container{padding:0 18px;}
  .header-inner{height:60px;gap:14px;}
  .logo{font-size:17px;}
  .logo-mark{width:22px;height:22px;}
  .page-hero{padding:52px 0 48px;}
  .page-hero h1{margin:14px 0 16px;}
  .hero-sub{font-size:15px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .stat-strip{margin-top:36px;padding-top:20px;flex-direction:column;gap:18px;}
  .stat{padding:0;border-left:0;border-top:1px solid var(--line-dark);padding-top:14px;}
  .stat:first-child{border-top:0;padding-top:0;}
  .reward-grid{grid-template-columns:1fr;}
  .rcard--small,.rcard--mid,.rcard--img,.rcard--feature{grid-column:span 1;}
  .rcard{padding:22px;}
  .rcard--feature .fig{height:190px;}
  .rcard--feature h3{font-size:20px;}
  .steps{grid-template-columns:1fr;}
  .step{border-left:0;padding:24px 0 4px;border-top:1px solid var(--line);}
  .step:first-child{border-top:1px solid var(--line);padding-top:24px;}
  .step .num{font-size:42px;}
  .nodes{grid-template-columns:1fr;gap:20px;margin-top:32px;}
  .node{padding:0 0 0 26px;}
  .node::before{top:6px;left:0;}
  .track{display:none;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
  .faq-item summary{font-size:16px;padding-right:38px;}
  .faq-answer{padding-right:12px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-band{padding:52px 0;}
}

/* roulang page: category4 */
:root{
  --ink:#12141A;
  --ink-2:#2B2F36;
  --text:#3A3F46;
  --text-2:#5A6068;
  --text-3:#8A8F96;
  --paper:#F4F1EA;
  --paper-2:#EDE9E1;
  --card:#FFFFFF;
  --line:#DEDAD2;
  --line-dark:rgba(244,241,234,.16);
  --lime:#C6F24E;
  --lime-deep:#A9D634;
  --ember:#FF6A3D;
  --on-dark:#F4F1EA;
  --on-dark-2:rgba(244,241,234,.66);
  --ok:#2F8F5B;
  --warn:#C4552B;
  --font-sans:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --font-num:ui-monospace,"SF Mono","Roboto Mono",Menlo,monospace;
  --r-card:14px;
  --r-img:10px;
  --r-btn:10px;
  --shadow-1:0 1px 0 rgba(18,20,26,.05),0 10px 28px -16px rgba(18,20,26,.22);
  --shadow-2:0 16px 36px -18px rgba(18,20,26,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --pad:clamp(56px,7vw,112px);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--ink);text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--ink-2);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.02em;font-weight:700;line-height:1.18;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:4px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}
@media (max-width:1023px){.container{padding:0 24px;}}
@media (max-width:639px){.container{padding:0 18px;}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.btn-primary{background:var(--lime);color:var(--ink);}
.btn-primary:hover{background:var(--ink);color:var(--lime);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:var(--on-dark);}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:9px;}
.btn-on-dark{background:var(--lime);color:var(--ink);}
.btn-on-dark:hover{background:var(--on-dark);color:var(--ink);}
.btn-outline-dark{background:transparent;color:var(--on-dark);border-color:rgba(244,241,234,.5);}
.btn-outline-dark:hover{background:var(--on-dark);color:var(--ink);border-color:var(--on-dark);}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--ink);position:relative;
}
.link-arrow::after{
  content:"";position:absolute;left:0;bottom:-3px;height:1.5px;width:0;
  background:var(--ink);transition:width .22s var(--ease);
}
.link-arrow span.ar{transition:transform .18s var(--ease);}
.link-arrow:hover::after{width:100%;}
.link-arrow:hover span.ar{transform:translateX(3px);}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--shadow-1);}
.header-inner{display:flex;align-items:center;gap:24px;height:68px;}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--ink);
  flex:0 0 auto;white-space:nowrap;
}
.logo-mark{
  width:24px;height:24px;border-radius:6px;
  background:var(--lime);display:inline-block;flex:0 0 auto;
  box-shadow:inset 0 0 0 1px rgba(18,20,26,.08);
}
.nav-main{display:flex;align-items:center;gap:22px;margin-left:12px;flex:1 1 auto;}
.nav-link{
  position:relative;font-size:15px;font-weight:600;color:var(--text-2);
  padding:6px 0;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--ink);
  transition:width .2s var(--ease);
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{width:100%;}
.nav-link.is-active{color:var(--ink);}
.nav-link.is-active::after{width:100%;background:var(--lime-deep);}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;margin-left:auto;}
.mega-wrap{position:relative;}
.mega-trigger{
  display:inline-flex;align-items:center;gap:6px;
  background:transparent;border:0;padding:8px 4px;cursor:pointer;
  font-size:15px;font-weight:600;color:var(--text-2);
}
.mega-trigger .dot{width:6px;height:6px;border-radius:50%;background:var(--lime-deep);display:inline-block;}
.mega-wrap:hover .mega-trigger,.mega-wrap:focus-within .mega-trigger{color:var(--ink);}
.mega-panel{
  position:absolute;right:-40px;top:calc(100% + 14px);width:780px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);padding:26px;
  display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:26px;
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity .16s var(--ease),transform .16s var(--ease),visibility .16s;
}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-title{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--text-3);margin-bottom:12px;}
.mega-list li+li{margin-top:9px;}
.mega-list a{display:flex;gap:10px;align-items:baseline;font-size:14px;font-weight:600;color:var(--ink-2);}
.mega-list a:hover{color:var(--ink);}
.mega-list .num{font-family:var(--font-num);font-size:12px;color:var(--text-3);}
.mega-news a{display:block;padding:8px 0;border-bottom:1px dashed var(--line);}
.mega-news a:last-child{border-bottom:0;}
.mega-news strong{display:block;font-size:14px;font-weight:600;color:var(--ink-2);}
.mega-news span{font-size:12px;color:var(--text-3);font-family:var(--font-num);}
.mega-news a:hover strong{color:var(--ink);}
.mega-card{
  border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--paper);
}
.mega-card img{width:100%;height:96px;object-fit:cover;border-radius:0;}
.mega-card div{padding:12px;}
.mega-card strong{font-size:14px;color:var(--ink);display:block;}
.mega-card p{font-size:12px;color:var(--text-2);line-height:1.6;margin-top:4px;}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:9px;
  background:#fff;cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle i{display:block;width:18px;height:2px;background:var(--ink);position:relative;transition:background .15s;}
.nav-toggle i::before,.nav-toggle i::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);transition:transform .2s var(--ease);
}
.nav-toggle i::before{top:-6px;}
.nav-toggle i::after{top:6px;}
.nav-toggle[aria-expanded="true"] i{background:transparent;}
.nav-toggle[aria-expanded="true"] i::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] i::after{transform:translateY(-6px) rotate(-45deg);}

/* 移动抽屉 */
.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:#fff;
  padding:18px 0 24px;
}
.mobile-drawer.is-open{display:block;}
.drawer-link{
  display:block;padding:13px 0;font-size:16px;font-weight:600;color:var(--ink-2);
  border-bottom:1px solid var(--line);
}
.drawer-link.is-active{color:var(--ink);}
.drawer-group{margin-top:18px;}
.drawer-group p{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--text-3);margin-bottom:8px;}
.drawer-cta{margin-top:20px;}
.drawer-cta .btn{width:100%;justify-content:center;}

@media (max-width:1023px){
  .nav-main,.mega-wrap{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{height:60px;gap:12px;}
  .logo{font-size:17px;}
  .mega-panel{display:none;}
}
@media (max-width:639px){
  .header-actions .btn-primary{display:none;}
}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:12.5px;color:rgba(244,241,234,.6);
  padding:22px 0 0;
}
.breadcrumb a{color:rgba(244,241,234,.78);}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb span.sep{opacity:.5;}

/* ---------- Hero ---------- */
.hero-cat{
  position:relative;background:var(--ink);color:var(--on-dark);overflow:hidden;
  padding-bottom:clamp(48px,6vw,84px);
}
.hero-cat::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    linear-gradient(105deg,rgba(18,20,26,.96) 8%,rgba(18,20,26,.82) 46%,rgba(18,20,26,.42) 100%),
    url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  z-index:0;
}
.hero-cat .container{position:relative;z-index:1;}
.hero-cat .tag-pill{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid rgba(198,242,78,.55);color:var(--lime);
  border-radius:999px;padding:6px 14px;font-size:12.5px;font-weight:600;letter-spacing:.04em;
}
.hero-cat .tag-pill::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime);}
.hero-grid{
  display:grid;grid-template-columns:1.35fr .85fr;gap:48px;align-items:end;
  padding:30px 0 0;
}
.hero-cat h1{
  color:var(--on-dark);
  font-size:clamp(30px,4vw,52px);
  font-weight:800;line-height:1.1;margin:20px 0 18px;max-width:15em;
}
.hero-cat .hero-sub{
  font-size:clamp(15px,1.4vw,17px);color:var(--on-dark-2);max-width:36em;line-height:1.8;
}
.hero-btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-aside{
  border-left:1px solid var(--line-dark);padding-left:28px;
}
.hero-aside p{font-size:13px;color:rgba(244,241,234,.55);line-height:1.9;}
.hero-aside strong{color:var(--on-dark);font-size:14px;display:block;margin-bottom:6px;font-weight:700;}
.stat-band{
  display:grid;grid-template-columns:repeat(3,1fr);gap:0;
  margin-top:clamp(34px,4vw,52px);
  border-top:1px solid var(--line-dark);
}
.stat-item{padding:24px 22px 0;border-right:1px solid var(--line-dark);}
.stat-item:first-child{padding-left:0;}
.stat-item:last-child{border-right:0;}
.stat-item .num{
  font-family:var(--font-num);font-size:clamp(24px,2.6vw,34px);font-weight:700;
  letter-spacing:.04em;color:var(--lime);line-height:1.2;
}
.stat-item .cap{font-size:12.5px;color:rgba(244,241,234,.6);margin-top:6px;}
@media (max-width:1023px){
  .hero-grid{grid-template-columns:1fr;gap:32px;align-items:start;}
  .hero-aside{border-left:0;border-top:1px solid var(--line-dark);padding-left:0;padding-top:20px;}
}
@media (max-width:639px){
  .stat-band{grid-template-columns:1fr;}
  .stat-item{border-right:0;border-bottom:1px solid var(--line-dark);padding:18px 0 14px;}
  .stat-item:last-child{border-bottom:0;}
}

/* ---------- 板块通用 ---------- */
.section{padding:var(--pad) 0;}
.section.tight{padding:clamp(48px,5vw,76px) 0;}
.section.on-paper2{background:var(--paper-2);}
.section.on-white{background:var(--card);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:clamp(28px,3.4vw,48px);}
.section-head h2{font-size:clamp(26px,3.2vw,40px);font-weight:700;}
.section-head .lead{font-size:15px;color:var(--text-2);margin-top:12px;max-width:44em;line-height:1.8;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--text-3);
  text-transform:uppercase;margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--lime-deep);border-radius:2px;}

/* ---------- 快速要点 ---------- */
.point-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;}
.point{
  background:var(--card);padding:clamp(24px,3vw,34px);
  transition:background .2s var(--ease);
}
.point:hover{background:#FBFAF7;}
.point .idx{
  font-family:var(--font-num);font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--lime-deep);
}
.point h3{font-size:19px;margin:12px 0 10px;}
.point p{font-size:14.5px;color:var(--text-2);line-height:1.8;}
@media (max-width:767px){.point-grid{grid-template-columns:1fr;}}

/* ---------- 筛选 + 列表 ---------- */
.filter-bar{
  display:flex;flex-wrap:wrap;gap:10px;margin-bottom:8px;
}
.filter-btn{
  padding:9px 16px;border-radius:999px;border:1px solid var(--line);
  background:#fff;color:var(--text-2);font-size:13.5px;font-weight:600;cursor:pointer;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.filter-btn:hover{border-color:var(--ink);color:var(--ink);}
.filter-btn.is-on{background:var(--ink);border-color:var(--ink);color:var(--lime);}
.filter-note{font-size:13px;color:var(--text-3);margin-bottom:26px;font-family:var(--font-num);letter-spacing:.02em;}

.info-list{border-top:1px solid var(--line);}
.info-row{
  display:grid;grid-template-columns:auto 1fr auto;gap:20px;align-items:center;
  padding:22px 12px;border-bottom:1px solid var(--line);
  transition:background .18s var(--ease);
}
.info-row:hover{background:#FBFAF7;}
.info-row .chip{
  display:inline-flex;align-items:center;
  background:rgba(198,242,78,.22);color:var(--ink-2);
  border-radius:999px;padding:5px 12px;font-size:12px;font-weight:600;white-space:nowrap;
}
.info-row .chip.alt{background:var(--paper-2);}
.info-row h3{
  font-size:17px;font-weight:600;line-height:1.5;position:relative;display:inline-block;
}
.info-row h3::after{
  content:"";position:absolute;left:0;bottom:-2px;height:1.5px;width:0;background:var(--ink);
  transition:width .2s var(--ease);
}
.info-row:hover h3::after{width:100%;}
.info-row .desc{
  font-size:14px;color:var(--text-2);line-height:1.7;margin-top:5px;
  overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;
}
.info-row .meta{
  font-family:var(--font-num);font-size:13px;color:var(--text-3);letter-spacing:.02em;
  display:flex;align-items:center;gap:12px;white-space:nowrap;
}
.info-row .meta .ar{opacity:0;transform:translateX(-4px);transition:opacity .18s var(--ease),transform .18s var(--ease);color:var(--ink);}
.info-row:hover .meta .ar{opacity:1;transform:translateX(0);}
.info-row.is-hidden{display:none;}
@media (max-width:767px){
  .info-row{grid-template-columns:1fr;gap:10px;align-items:start;}
  .info-row .meta{justify-content:flex-start;}
}

/* ---------- 流程（深色） ---------- */
.flow-dark{background:var(--ink);color:var(--on-dark);}
.flow-dark h2{color:var(--on-dark);}
.flow-dark .lead{color:var(--on-dark-2);}
.flow-steps{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  border-top:1px solid var(--line-dark);margin-top:12px;
}
.flow-step{
  padding:30px 24px 8px 0;border-right:1px solid var(--line-dark);
  position:relative;
}
.flow-step:last-child{border-right:0;}
.flow-step .no{
  font-family:var(--font-num);font-size:clamp(30px,3.4vw,46px);font-weight:800;
  color:rgba(244,241,234,.14);line-height:1;letter-spacing:.04em;
}
.flow-step h3{font-size:17px;color:var(--on-dark);margin:14px 0 10px;font-weight:600;}
.flow-step p{font-size:14px;color:var(--on-dark-2);line-height:1.8;}
.flow-step .bar{height:3px;width:34px;background:var(--lime);border-radius:2px;margin-top:16px;}
.flow-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:clamp(30px,4vw,44px);align-items:center;}
.flow-cta .hint{font-size:13px;color:rgba(244,241,234,.55);}
@media (max-width:1023px){
  .flow-steps{grid-template-columns:repeat(2,1fr);}
  .flow-step:nth-child(2){border-right:0;}
  .flow-step{border-bottom:1px solid var(--line-dark);padding-bottom:26px;}
}
@media (max-width:599px){
  .flow-steps{grid-template-columns:1fr;}
  .flow-step{border-right:0;}
}

/* ---------- 检查清单 + 图 ---------- */
.check-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,4vw,56px);align-items:center;}
.check-list li{
  display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line);align-items:flex-start;
}
.check-list li:first-child{border-top:1px solid var(--line);}
.check-list .mark{
  flex:0 0 auto;width:22px;height:22px;border-radius:6px;background:var(--lime);
  display:inline-flex;align-items:center;justify-content:center;margin-top:2px;
  font-size:12px;font-weight:800;color:var(--ink);
}
.check-list strong{display:block;font-size:15.5px;font-weight:600;color:var(--ink);line-height:1.6;}
.check-list span{font-size:14px;color:var(--text-2);line-height:1.75;display:block;margin-top:3px;}
.figure-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:14px;box-shadow:var(--shadow-1);
}
.figure-card img{border-radius:var(--r-img);width:100%;height:320px;object-fit:cover;transition:transform .2s var(--ease);}
.figure-card:hover img{transform:scale(1.02);}
.figure-card figcaption{font-size:12.5px;color:var(--text-3);padding:12px 4px 2px;line-height:1.7;}
@media (max-width:899px){
  .check-layout{grid-template-columns:1fr;}
  .figure-card img{height:240px;}
}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:clamp(32px,4vw,64px);align-items:start;}
.faq-side{position:sticky;top:100px;}
.faq-side h2{font-size:clamp(26px,3.2vw,38px);margin-bottom:14px;}
.faq-side p{font-size:15px;color:var(--text-2);line-height:1.8;margin-bottom:22px;max-width:22em;}
.faq-item{border-top:1px solid var(--line);}
.faq-item:last-child{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 4px;font-size:16.5px;font-weight:600;color:var(--ink);position:relative;
  transition:color .18s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";position:absolute;left:-14px;top:22px;bottom:22px;width:3px;border-radius:2px;
  background:var(--lime);opacity:0;transition:opacity .18s var(--ease);
}
.faq-item[open] summary::before{opacity:1;}
.faq-item summary .ic{
  flex:0 0 auto;width:22px;height:22px;position:relative;border-radius:50%;
  border:1px solid var(--line);transition:transform .2s var(--ease),border-color .2s var(--ease);
}
.faq-item summary .ic::before,.faq-item summary .ic::after{
  content:"";position:absolute;background:var(--ink-2);border-radius:1px;
}
.faq-item summary .ic::before{left:6px;right:6px;top:10px;height:1.5px;}
.faq-item summary .ic::after{top:6px;bottom:6px;left:10px;width:1.5px;transition:opacity .2s var(--ease);}
.faq-item[open] summary .ic{transform:rotate(45deg);border-color:var(--ink);}
.faq-body{padding:0 4px 24px;font-size:15px;color:var(--text-2);line-height:1.85;max-width:52em;}
@media (max-width:899px){
  .faq-layout{grid-template-columns:1fr;}
  .faq-side{position:static;}
  .faq-item summary{font-size:16px;}
}

/* ---------- 窄条 CTA ---------- */
.cta-strip{
  background:var(--ink);color:var(--on-dark);padding:clamp(44px,5vw,68px) 0;
}
.cta-strip .inner{
  display:flex;flex-direction:column;align-items:center;text-align:center;gap:18px;
}
.cta-strip h2{color:var(--on-dark);font-size:clamp(22px,2.8vw,32px);max-width:22em;}
.cta-strip p{font-size:14.5px;color:var(--on-dark-2);max-width:34em;}
.cta-strip .btns{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:6px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--on-dark);padding:clamp(48px,6vw,80px) 0 26px;border-top:1px solid var(--line-dark);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr 1fr;gap:clamp(24px,3vw,44px);padding-bottom:clamp(32px,4vw,52px);}
.footer-brand .logo{color:var(--on-dark);font-size:18px;margin-bottom:14px;}
.footer-brand p{font-size:14px;color:var(--on-dark-2);line-height:1.8;max-width:20em;}
.footer-title{font-size:12px;font-weight:700;letter-spacing:.1em;color:rgba(244,241,234,.5);margin-bottom:16px;}
.footer-links li+li{margin-top:10px;}
.footer-links a{font-size:14px;color:rgba(244,241,234,.8);}
.footer-links a:hover{color:var(--lime);}
.footer-news a{display:flex;justify-content:space-between;gap:14px;padding:9px 0;border-bottom:1px solid var(--line-dark);}
.footer-news a:last-child{border-bottom:0;}
.footer-news strong{font-size:14px;font-weight:600;color:rgba(244,241,234,.86);line-height:1.6;}
.footer-news span{font-family:var(--font-num);font-size:12px;color:rgba(244,241,234,.45);white-space:nowrap;}
.footer-news a:hover strong{color:var(--lime);}
.footer-contact p{font-size:14px;color:var(--on-dark-2);line-height:1.9;}
.footer-bottom{
  border-top:1px solid var(--line-dark);padding-top:22px;
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
}
.footer-bottom p{font-size:12.5px;color:rgba(244,241,234,.6);}
.footer-bottom-links{display:flex;flex-wrap:wrap;gap:18px;}
.footer-bottom-links a{font-size:12.5px;color:rgba(244,241,234,.6);}
.footer-bottom-links a:hover{color:var(--lime);}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:599px){
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}