/* roulang page: index */
:root{
  --ink:#0B0C0E;
  --ink-soft:#22262B;
  --lime:#C8FF3D;
  --lime-soft:rgba(200,255,61,.28);
  --graphite:#22262B;
  --fog:#6C7278;
  --line:#E4E6DF;
  --bg:#F6F6F2;
  --white:#FFFFFF;
  --done:#00D6A3;
  --idle:#D7DAD2;
  --warn:#FF6A3D;
  --radius-sm:12px;
  --radius:16px;
  --radius-lg:24px;
  --shadow:0 12px 32px rgba(11,12,14,.06);
  --shadow-hover:0 24px 64px rgba(11,12,14,.12);
  --container:1240px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-soft);
  font-family:var(--font);
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
button{background:none;border:0;padding:0;cursor:pointer;}
h1,h2,h3,h4,h5,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
::selection{background:var(--lime);color:var(--ink);}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:4px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 40px;}
.section{padding:120px 0;}
.section-tight{padding:88px 0;}
.section-dark{background:var(--ink);color:#fff;}
.section-alt{background:#FFFFFF;}

.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12.5px;font-weight:700;letter-spacing:.14em;
  color:var(--fog);text-transform:uppercase;
}
.eyebrow::before{content:"";width:20px;height:2px;background:var(--lime);border-radius:2px;}
.section-dark .eyebrow{color:rgba(255,255,255,.6);}

.section-title{
  font-size:clamp(28px,3.5vw,44px);
  font-weight:800;
  line-height:1.15;
  letter-spacing:-.03em;
  color:var(--ink);
  margin-top:18px;
}
.section-dark .section-title{color:#fff;}
.section-desc{margin-top:18px;color:var(--fog);font-size:17px;max-width:720px;}
.section-dark .section-desc{color:rgba(255,255,255,.68);}
.section-head{margin-bottom:60px;max-width:820px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-stuck{box-shadow:0 8px 28px rgba(11,12,14,.08);}
.header-inner{display:flex;align-items:center;gap:22px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:var(--ink);letter-spacing:-.02em;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--ink);
  color:var(--lime);display:grid;place-items:center;
  font-size:15px;font-weight:800;letter-spacing:0;
}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:6px;}
.nav-link{
  padding:9px 14px;border-radius:999px;font-size:15.5px;font-weight:500;
  color:var(--ink-soft);white-space:nowrap;transition:background .18s ease,color .18s ease;
}
.nav-link:hover{background:#F1F2ED;color:var(--ink);}
.nav-link.is-active{background:#F1F2ED;color:var(--ink);font-weight:700;}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:auto;}
.search-form{position:relative;display:flex;align-items:center;}
.search-form i{position:absolute;left:15px;font-size:13px;color:var(--fog);pointer-events:none;}
.search-form input{
  width:212px;height:42px;border-radius:999px;border:1px solid var(--line);
  background:#fff;padding:0 18px 0 38px;font-size:14.5px;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-form input::placeholder{color:#9AA09A;}
.search-form input:focus{border-color:var(--lime);box-shadow:0 0 0 4px var(--lime-soft);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.2s ease;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:var(--radius-sm);
  font-size:16px;font-weight:700;border:1px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:background .16s ease,color .16s ease,border-color .16s ease,transform .16s ease;
}
.btn-primary{background:var(--lime);color:var(--ink);}
.btn-primary:hover{background:var(--ink);color:#fff;}
.btn-primary:hover .btn-arrow{transform:translateX(4px);}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#fff;}
.btn-dark{background:var(--ink);color:#fff;}
.btn-dark:hover{background:var(--lime);color:var(--ink);}
.btn-sm{height:42px;padding:0 20px;font-size:14.5px;border-radius:10px;}
.btn-lg{height:54px;padding:0 32px;font-size:16.5px;}
.btn-arrow{transition:transform .16s ease;}
.btn:active{transform:translateY(1px);}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:84vh;display:flex;align-items:center;background:var(--ink);overflow:hidden;}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(92deg,rgba(11,12,14,.94) 0%,rgba(11,12,14,.76) 46%,rgba(11,12,14,.42) 100%);
}
.hero-inner{position:relative;z-index:2;width:100%;padding:130px 0 76px;color:#fff;}
.hero-copy{max-width:880px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--lime);color:var(--ink);
  font-size:13px;font-weight:700;letter-spacing:.08em;
  padding:7px 16px;border-radius:999px;
}
.hero h1{
  margin-top:26px;
  font-size:clamp(40px,6vw,84px);
  font-weight:800;line-height:1.04;letter-spacing:-.04em;color:#fff;
}
.hero-sub{margin-top:24px;font-size:clamp(16px,1.4vw,20px);color:rgba(255,255,255,.78);max-width:620px;line-height:1.75;}
.hero-cta{display:flex;flex-wrap:wrap;gap:16px;margin-top:40px;}
.hero .btn-ghost{border-color:rgba(255,255,255,.55);color:#fff;}
.hero .btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff;}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:32px;
  margin-top:64px;padding-top:32px;border-top:1px solid rgba(255,255,255,.16);
}
.stat-num{
  display:block;font-size:clamp(26px,2.6vw,36px);font-weight:800;
  color:var(--lime);letter-spacing:-.03em;line-height:1.1;
}
.stat-label{display:block;margin-top:6px;font-size:13.5px;color:rgba(255,255,255,.62);letter-spacing:.02em;}

/* ---------- Steps timeline ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0 22px;}
.step{position:relative;border-top:1px solid var(--line);padding:30px 6px 0 0;}
.step-dot{
  position:absolute;top:-5px;left:0;width:9px;height:9px;border-radius:999px;background:var(--idle);
}
.step.is-current .step-dot{background:var(--lime);box-shadow:0 0 0 5px var(--lime-soft);}
.step-num{font-size:40px;font-weight:800;color:#DDE0D8;letter-spacing:-.04em;line-height:1;}
.step.is-current .step-num{color:var(--ink);}
.step-title{margin-top:16px;font-size:20px;font-weight:700;color:var(--ink);line-height:1.35;}
.step-text{margin-top:10px;font-size:15px;color:var(--fog);line-height:1.75;}

/* ---------- Reward rail ---------- */
.reward-rail{
  display:flex;gap:22px;overflow-x:auto;padding:6px 4px 28px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
}
.reward-rail::-webkit-scrollbar{height:6px;}
.reward-rail::-webkit-scrollbar-track{background:var(--line);border-radius:999px;}
.reward-rail::-webkit-scrollbar-thumb{background:var(--ink);border-radius:999px;}
.reward-card{
  flex:0 0 302px;scroll-snap-align:start;
  background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;
  box-shadow:var(--shadow);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.reward-card:hover{transform:translateY(-4px);border-color:var(--ink);box-shadow:var(--shadow-hover);}
.reward-cover{height:168px;overflow:hidden;background:#EEE;}
.reward-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.reward-card:hover .reward-cover img{transform:scale(1.03);}
.reward-body{padding:22px 22px 26px;}
.badge{
  display:inline-flex;align-items:center;
  padding:5px 12px;border-radius:999px;border:1px solid var(--line);
  background:#fff;font-size:12.5px;font-weight:700;color:var(--ink-soft);letter-spacing:.04em;
}
.badge-lime{background:var(--lime);border-color:var(--lime);color:var(--ink);}
.badge-dark{background:var(--ink);border-color:var(--ink);color:#fff;}
.reward-name{margin-top:14px;font-size:20px;font-weight:700;color:var(--ink);line-height:1.35;}
.reward-cond{margin-top:8px;font-size:14.5px;color:var(--fog);}
.rail-note{margin-top:6px;font-size:14px;color:var(--fog);}

/* ---------- Progress panel ---------- */
.progress-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:34px;align-items:start;}
.progress-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:38px;box-shadow:var(--shadow);
}
.progress-top{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;}
.progress-value{font-size:44px;font-weight:800;color:var(--ink);letter-spacing:-.04em;line-height:1;}
.progress-value span{font-size:18px;font-weight:700;color:var(--fog);margin-left:4px;}
.progress-caption{font-size:14.5px;color:var(--fog);}
.progress-track{height:14px;border-radius:999px;background:var(--line);overflow:hidden;margin-top:22px;}
.progress-fill{height:100%;width:0;border-radius:999px;background:var(--lime);transition:width .9s cubic-bezier(.4,0,.2,1);}
.task-list{margin-top:32px;border-top:1px solid var(--line);}
.task-item{
  display:flex;align-items:center;gap:14px;
  padding:18px 4px;border-bottom:1px solid var(--line);
}
.task-item:last-child{border-bottom:0;}
.task-state{width:10px;height:10px;border-radius:999px;flex-shrink:0;background:var(--idle);}
.task-item.is-done .task-state{background:var(--done);}
.task-item.is-active .task-state{background:var(--lime);box-shadow:0 0 0 4px var(--lime-soft);}
.task-name{font-size:16px;font-weight:700;color:var(--ink);}
.task-desc{font-size:13.5px;color:var(--fog);}
.task-flag{
  margin-left:auto;font-size:12.5px;font-weight:700;letter-spacing:.04em;
  padding:4px 12px;border-radius:999px;background:#F1F2ED;color:var(--fog);white-space:nowrap;
}
.task-item.is-done .task-flag{background:rgba(0,214,163,.12);color:#0A8C6C;}
.task-item.is-active .task-flag{background:var(--lime);color:var(--ink);}
.side-panel{
  background:var(--ink);color:#fff;border-radius:var(--radius-lg);padding:36px;
  display:flex;flex-direction:column;gap:18px;
}
.side-panel h3{font-size:22px;font-weight:800;color:#fff;line-height:1.35;}
.side-panel p{font-size:15px;color:rgba(255,255,255,.7);line-height:1.8;}
.side-list{display:flex;flex-direction:column;gap:12px;margin-top:6px;}
.side-list li{font-size:14.5px;color:rgba(255,255,255,.82);display:flex;gap:10px;align-items:flex-start;}
.side-list i{color:var(--lime);font-size:12px;margin-top:7px;}

/* ---------- Channel cards ---------- */
.channel-large{
  display:grid;grid-template-columns:1.15fr 1fr;gap:0;
  background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;
  box-shadow:var(--shadow);height:100%;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.channel-large:hover{transform:translateY(-4px);border-color:var(--ink);box-shadow:var(--shadow-hover);}
.channel-large .channel-media{min-height:280px;overflow:hidden;}
.channel-large .channel-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.channel-large:hover .channel-media img{transform:scale(1.03);}
.channel-large .channel-body{padding:36px;display:flex;flex-direction:column;justify-content:center;}
.channel-title{font-size:24px;font-weight:800;color:var(--ink);letter-spacing:-.02em;}
.channel-text{margin-top:12px;font-size:15.5px;color:var(--fog);line-height:1.8;}
.channel-link{margin-top:20px;font-size:15px;font-weight:700;color:var(--ink);display:inline-flex;align-items:center;gap:8px;}
.channel-large:hover .channel-link i{transform:translateX(4px);}
.channel-link i{transition:transform .16s ease;color:var(--lime-deep,#8FBF16);}

.channel-card{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.channel-card:hover{transform:translateY(-4px);border-color:var(--ink);box-shadow:var(--shadow-hover);}
.channel-card .channel-media{height:170px;overflow:hidden;}
.channel-card .channel-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.channel-card:hover .channel-media img{transform:scale(1.03);}
.channel-card .channel-body{padding:24px;display:flex;flex-direction:column;flex:1;}
.channel-card .channel-title{font-size:20px;}
.channel-card .channel-text{font-size:14.5px;}

/* ---------- Latest posts (CMS) ---------- */
.cms-latest-list{row-gap:28px;}
.post-card{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;
  box-shadow:var(--shadow);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.post-card:hover{transform:translateY(-4px);border-color:var(--ink);box-shadow:var(--shadow-hover);}
.post-cover{height:184px;overflow:hidden;background:#EEE;}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.post-card:hover .post-cover img{transform:scale(1.03);}
.post-body{padding:24px 24px 26px;display:flex;flex-direction:column;flex:1;}
.post-title{margin-top:14px;font-size:20px;font-weight:700;color:var(--ink);line-height:1.45;}
.post-excerpt{
  margin-top:12px;font-size:14.5px;color:var(--fog);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  margin-top:auto;padding-top:20px;margin-top:20px;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  font-size:13px;color:var(--fog);border-top:1px solid var(--line);
}
.post-more{font-weight:700;color:var(--ink);display:inline-flex;align-items:center;gap:6px;}
.post-more i{transition:transform .16s ease;}
.post-card:hover .post-more i{transform:translateX(4px);}
.cms-empty{
  border:1px dashed var(--line);border-radius:18px;background:#fff;
  padding:64px 32px;text-align:center;color:var(--fog);
}
.cms-empty i{font-size:26px;color:var(--idle);display:block;margin-bottom:14px;}
.cms-empty p{font-size:15px;}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:26px 10px;text-align:left;font-size:18px;font-weight:700;color:var(--ink);
  transition:background .18s ease;border-radius:8px;
}
.faq-q:hover{background:#F1F2ED;}
.faq-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:999px;
  border:1px solid var(--line);display:grid;place-items:center;
  font-size:15px;font-weight:700;color:var(--ink);background:#fff;
  transition:background .18s ease,border-color .18s ease,color .18s ease;
}
.faq-icon::before{content:"+";}
.faq-item.is-open .faq-icon{background:var(--lime);border-color:var(--lime);}
.faq-item.is-open .faq-icon::before{content:"–";}
.faq-a{max-height:0;overflow:hidden;transition:max-height .18s ease;}
.faq-a-inner{
  margin:0 10px 28px 10px;padding-left:18px;border-left:3px solid var(--lime);
  font-size:16px;color:var(--fog);line-height:1.8;
}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--ink);color:#fff;border-radius:28px;
  padding:72px 64px;display:flex;align-items:center;justify-content:space-between;gap:48px;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;
  border-radius:50%;border:1px solid rgba(200,255,61,.28);
}
.cta-band h2{font-size:clamp(26px,3vw,40px);font-weight:800;letter-spacing:-.03em;color:#fff;line-height:1.2;}
.cta-band p{margin-top:14px;font-size:16px;color:rgba(255,255,255,.7);max-width:520px;}
.cta-actions{display:flex;gap:16px;flex-wrap:wrap;position:relative;z-index:2;}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.5);color:#fff;}
.cta-band .btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff;}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#fff;padding:80px 0 32px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:#fff;}
.footer-brand .brand-mark{background:var(--lime);color:var(--ink);}
.footer-desc{margin-top:18px;font-size:14.5px;color:rgba(255,255,255,.6);line-height:1.8;max-width:320px;}
.footer-title{font-size:14px;font-weight:700;letter-spacing:.1em;color:rgba(255,255,255,.5);margin-bottom:20px;}
.footer-list{display:flex;flex-direction:column;gap:12px;}
.footer-list a{font-size:15px;color:rgba(255,255,255,.78);transition:color .18s ease;}
.footer-list a:hover{color:var(--lime);}
.footer-contact li{font-size:14.5px;color:rgba(255,255,255,.7);line-height:1.8;margin-bottom:8px;}
.footer-bottom{
  margin-top:56px;padding-top:26px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.48);
}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease;}
.reveal.is-visible{opacity:1;transform:none;}

/* ---------- Responsive ---------- */
@media (max-width:1200px){
  .header-inner{gap:16px;}
  .search-form input{width:176px;}
  .nav-link{padding:9px 11px;font-size:15px;}
}
@media (max-width:1024px){
  .container{padding:0 28px;}
  .main-nav{
    position:fixed;top:72px;left:0;right:0;bottom:auto;
    display:none;flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;padding:18px 24px 26px;border-bottom:1px solid var(--line);
    box-shadow:0 28px 56px rgba(11,12,14,.14);max-height:calc(100vh - 72px);overflow-y:auto;
  }
  .main-nav.is-open{display:flex;}
  .nav-link{padding:13px 16px;font-size:16px;border-radius:12px;}
  .nav-toggle{display:flex;}
  .search-form{display:none;}
  .section{padding:96px 0;}
  .section-tight{padding:72px 0;}
  .progress-grid{grid-template-columns:1fr;}
  .channel-large{grid-template-columns:1fr;}
  .channel-large .channel-media{min-height:220px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .cta-band{padding:56px 44px;flex-direction:column;align-items:flex-start;gap:32px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .steps{grid-template-columns:1fr 1fr;gap:0 20px;row-gap:34px;}
  .hero-stats{grid-template-columns:1fr 1fr;gap:24px;margin-top:48px;}
  .progress-panel{padding:28px 22px;}
  .side-panel{padding:28px 22px;}
  .hero-inner{padding:104px 0 60px;}
  .section-head{margin-bottom:44px;}
  .faq-q{padding:22px 6px;font-size:17px;}
  .faq-a-inner{margin:0 6px 24px 6px;}
}
@media (max-width:640px){
  .container{padding:0 20px;}
  .steps{grid-template-columns:1fr;}
  .header-actions .btn-sm{padding:0 14px;font-size:13.5px;}
  .section{padding:72px 0;}
  .section-tight{padding:60px 0;}
  .reward-card{flex:0 0 254px;}
  .cta-band{padding:44px 26px;border-radius:20px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .post-cover{height:164px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: article */
:root{
  --ink:#0B0C0E;
  --lime:#C8FF3D;
  --graphite:#22262B;
  --mist:#6C7278;
  --line:#E4E6DF;
  --bg:#F6F6F2;
  --white:#FFFFFF;
  --soft:#F1F2ED;
  --done:#00D6A3;
  --warn:#FF6A3D;
  --idle:#D7DAD2;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:24px;
  --shadow-1:0 12px 32px rgba(11,12,14,.06);
  --shadow-2:0 24px 64px rgba(11,12,14,.12);
  --container:1240px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font);font-size:17px;line-height:1.8;color:var(--graphite);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{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 40px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:50px;padding:0 26px;border:1px solid transparent;border-radius:var(--r-sm);font-size:15px;font-weight:700;cursor:pointer;transition:background .16s ease,color .16s ease,border-color .16s ease,box-shadow .16s ease}
.btn i{transition:transform .16s ease}
.btn-primary{background:var(--lime);color:var(--ink)}
.btn-primary:hover{background:var(--ink);color:#fff}
.btn-primary:hover i{transform:translateX(4px)}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-sm{height:42px;padding:0 20px;font-size:14px;border-radius:11px}
.btn-block{width:100%}
.btn:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:999px;font-size:12.5px;font-weight:700;letter-spacing:.06em;background:#fff;border:1px solid var(--line);color:var(--graphite)}
.badge-lime{background:var(--lime);border-color:var(--lime);color:var(--ink)}

/* ============ HEADER ============ */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s ease}
.site-header.is-scrolled{box-shadow:0 8px 28px rgba(11,12,14,.07)}
.header-inner{display:flex;align-items:center;gap:26px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;font-size:19px;font-weight:800;color:var(--ink);letter-spacing:-.01em}
.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--ink);color:var(--lime);display:grid;place-items:center;font-size:16px;font-weight:900;letter-spacing:0}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{padding:9px 14px;border-radius:10px;font-size:15px;color:var(--graphite);transition:background .18s ease,color .18s ease}
.nav-link:hover{background:var(--soft);color:var(--ink)}
.nav-link.is-active{background:var(--soft);color:var(--ink);font-weight:700}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.search-form{display:flex;align-items:center;gap:8px;height:42px;padding:0 16px;border:1px solid var(--line);border-radius:999px;background:#fff;transition:border-color .18s ease,box-shadow .18s ease}
.search-form i{color:var(--mist);font-size:13px}
.search-form input{width:150px;border:0;outline:0;background:transparent;font-size:14px;color:var(--ink)}
.search-form input::placeholder{color:#A9AFA6}
.search-form:focus-within{border-color:var(--lime);box-shadow:0 0 0 4px rgba(200,255,61,.35)}
.nav-toggle{display:none;flex-direction:column;align-items:center;justify-content:center;gap:4px;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s ease,opacity .2s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ============ ARTICLE ============ */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:30px 0 0;font-size:13.5px;color:var(--mist)}
.breadcrumb a{transition:color .18s ease}
.breadcrumb a:hover{color:var(--ink);text-decoration:underline;text-decoration-color:var(--lime);text-underline-offset:3px}
.breadcrumb .sep{opacity:.45}
.post-header{padding:24px 0 40px;border-bottom:1px solid var(--line);margin-bottom:46px}
.post-title{max-width:940px;margin:20px 0 18px;font-size:clamp(30px,4.2vw,52px);line-height:1.14;font-weight:800;letter-spacing:-.03em;color:var(--ink)}
.post-meta{display:flex;flex-wrap:wrap;gap:22px;font-size:13.5px;color:var(--mist)}
.post-meta span{display:inline-flex;align-items:center;gap:7px}
.post-meta i{color:#A9AFA6;font-size:12.5px}
.post-lead{max-width:820px;margin-top:26px;padding-left:18px;border-left:3px solid var(--lime);font-size:18px;line-height:1.8;color:var(--graphite)}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:60px;align-items:start;padding-bottom:36px}
.content-body{max-width:820px;font-size:17px;line-height:1.85;color:var(--graphite)}
.content-body h2{margin:50px 0 16px;padding-left:16px;border-left:4px solid var(--lime);font-size:26px;line-height:1.32;font-weight:750;color:var(--ink)}
.content-body h3{margin:34px 0 12px;font-size:20px;font-weight:700;color:var(--ink)}
.content-body h4{margin:26px 0 10px;font-size:17px;font-weight:700;color:var(--ink)}
.content-body p{margin:0 0 20px}
.content-body img{border-radius:12px;margin:24px 0}
.content-body figure{margin:24px 0}
.content-body figcaption{margin-top:10px;font-size:13px;color:var(--mist);text-align:center}
.content-body a{color:var(--ink);text-decoration:underline;text-decoration-color:var(--lime);text-underline-offset:3px}
.content-body a:hover{background:rgba(200,255,61,.35)}
.content-body blockquote{margin:26px 0;padding:8px 0 8px 20px;border-left:3px solid var(--lime);color:var(--graphite)}
.content-body ul{margin:0 0 22px}
.content-body ul li{position:relative;margin-bottom:10px;padding-left:22px}
.content-body ul li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:50%;background:var(--lime);border:1px solid #A8DE22}
.content-body ol{margin:0 0 22px;counter-reset:item}
.content-body ol li{position:relative;margin-bottom:12px;padding-left:38px;counter-increment:item}
.content-body ol li::before{content:counter(item,decimal-leading-zero);position:absolute;left:0;top:3px;padding:1px 7px;border-radius:8px;background:var(--soft);font-size:12.5px;font-weight:800;color:var(--ink)}
.content-body table{display:block;width:100%;margin:26px 0;border-collapse:collapse;overflow-x:auto;font-size:15px}
.content-body th,.content-body td{padding:12px 16px;border:1px solid var(--line);text-align:left;white-space:nowrap}
.content-body th{background:var(--soft);font-weight:700;color:var(--ink)}
.content-body hr{margin:40px 0;border:0;border-top:1px solid var(--line)}
.empty-state{display:flex;flex-direction:column;align-items:center;gap:16px;padding:80px 32px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);text-align:center}
.empty-state i{font-size:32px;color:var(--mist)}
.empty-state p{font-size:17px;color:var(--mist)}
.toc{position:sticky;top:100px;padding:22px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);font-size:14px}
.toc-title{margin-bottom:14px;font-size:12.5px;font-weight:800;letter-spacing:.14em;color:var(--mist)}
.toc a{display:block;padding:8px 10px;border-left:2px solid transparent;border-radius:9px;color:var(--mist);line-height:1.5;transition:background .18s ease,color .18s ease,border-color .18s ease}
.toc a:hover{background:var(--soft);color:var(--ink)}
.toc a.is-current{border-left-color:var(--lime);background:#F7FBF0;color:var(--ink);font-weight:700}

/* ============ SECTIONS ============ */
.section{padding:0 0 96px}
.section-head{margin-bottom:34px}
.eyebrow{display:inline-block;margin-bottom:14px;font-size:12.5px;font-weight:800;letter-spacing:.16em;color:var(--mist)}
.section-title{font-size:clamp(26px,3.2vw,40px);line-height:1.18;font-weight:750;letter-spacing:-.02em;color:var(--ink)}
.section-sub{margin-top:12px;max-width:640px;font-size:15.5px;color:var(--mist)}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rel-card{display:flex;flex-direction:column;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.rel-card:hover{transform:translateY(-4px);border-color:var(--ink);box-shadow:var(--shadow-2)}
.rel-thumb{overflow:hidden;height:168px}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.rel-card:hover .rel-thumb img{transform:scale(1.03)}
.rel-body{padding:20px 22px 24px}
.rel-body h3{margin-bottom:8px;font-size:18px;font-weight:700;color:var(--ink)}
.rel-body p{font-size:14px;line-height:1.7;color:var(--mist)}
.rel-more{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:13.5px;font-weight:700;color:var(--ink)}
.rel-card:hover .rel-more i{transform:translateX(4px)}
.rel-more i{transition:transform .16s ease}
.cta-band{display:flex;align-items:center;justify-content:space-between;gap:36px;padding:56px 52px;background:var(--ink);border-radius:var(--r-lg);color:#fff}
.cta-band h2{font-size:clamp(24px,3vw,36px);line-height:1.2;font-weight:800;letter-spacing:-.02em}
.cta-band p{margin-top:12px;max-width:520px;font-size:15.5px;color:#A6ACB1}
.cta-actions{display:flex;gap:12px;flex:0 0 auto}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.4);color:#fff}
.cta-band .btn-ghost:hover{background:#fff;border-color:#fff;color:var(--ink)}

/* ============ FOOTER ============ */
.site-footer{margin-top:20px;padding:72px 0 28px;background:var(--ink);color:#fff}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;font-size:19px;font-weight:800}
.footer-brand .brand-mark{background:var(--lime);color:var(--ink)}
.footer-desc{max-width:340px;font-size:14.5px;line-height:1.8;color:#9BA1A6}
.footer-title{margin-bottom:16px;font-size:12.5px;font-weight:800;letter-spacing:.14em;color:#fff}
.footer-list li,.footer-contact li{margin-bottom:10px;font-size:14.5px;color:#9BA1A6}
.footer-list a{color:#9BA1A6;transition:color .18s ease}
.footer-list a:hover{color:var(--lime)}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:#7C8288}

/* ============ RESPONSIVE ============ */
@media (max-width:1080px){
  .container{padding:0 28px}
  .main-nav{position:fixed;top:72px;left:0;right:0;flex-direction:column;align-items:stretch;gap:4px;padding:14px 24px 22px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 24px 48px rgba(11,12,14,.12);opacity:0;visibility:hidden;transform:translateY(-12px);transition:opacity .2s ease,transform .2s ease,visibility .2s ease}
  .main-nav.is-open{opacity:1;visibility:visible;transform:translateY(0)}
  .nav-link{padding:12px 14px;border-radius:10px}
  .search-form{display:none}
  .nav-toggle{display:flex}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0}
  .toc{display:none}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
}
@media (max-width:720px){
  body{font-size:16px}
  .container{padding:0 20px}
  .header-inner{min-height:64px;gap:14px}
  .brand-text{font-size:17px}
  .nav-toggle{width:38px;height:38px}
  .main-nav{top:64px}
  .post-header{padding:18px 0 30px;margin-bottom:34px}
  .post-title{font-size:clamp(26px,7vw,36px)}
  .post-meta{gap:14px}
  .post-lead{font-size:16.5px}
  .content-body{font-size:16px}
  .content-body h2{font-size:22px;margin-top:38px}
  .content-body h3{font-size:18px}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .cta-band{flex-direction:column;align-items:flex-start;padding:38px 26px;gap:24px}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .section{padding:0 0 64px}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important}
}

/* roulang page: category1 */
:root{
  --ink:#0B0C0E;
  --lime:#C8FF3D;
  --lime-deep:#A8DE1F;
  --graphite:#22262B;
  --mist:#6C7278;
  --line:#E4E6DF;
  --field:#D9DCD3;
  --bg:#F6F6F2;
  --white:#FFFFFF;
  --done:#00D6A3;
  --warn:#FF6A3D;
  --todo:#D7DAD2;
  --radius-btn:12px;
  --radius-card:16px;
  --radius-panel:22px;
  --shadow-sm:0 6px 18px rgba(11,12,14,.05);
  --shadow-card:0 12px 32px rgba(11,12,14,.06);
  --shadow-hover:0 24px 64px rgba(11,12,14,.12);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--graphite);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:12px}
a{color:var(--ink);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--ink)}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--lime-deep);outline-offset:3px;border-radius:6px}
.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 44px;
}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.14em;
  color:var(--mist);
  text-transform:uppercase;
  font-weight:600;
}
.eyebrow::before{
  content:"";
  width:22px;height:2px;background:var(--lime);
}
.section-title{
  font-size:clamp(28px,3.4vw,42px);
  font-weight:750;
  line-height:1.16;
  letter-spacing:-.02em;
  color:var(--ink);
  margin-top:14px;
}
.section-sub{
  max-width:720px;
  margin-top:14px;
  font-size:16px;
  color:var(--mist);
  line-height:1.8;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  height:52px;
  padding:0 26px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:700;
  letter-spacing:.01em;
  cursor:pointer;
  transition:background .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease),transform .16s var(--ease);
  white-space:nowrap;
}
.btn i{transition:transform .16s var(--ease)}
.btn-primary{background:var(--lime);color:var(--ink)}
.btn-primary:hover{background:var(--ink);color:var(--white)}
.btn-primary:hover i{transform:translateX(4px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--white)}
.btn-light{background:var(--white);color:var(--ink);border-color:var(--white)}
.btn-light:hover{background:var(--lime);border-color:var(--lime);color:var(--ink)}
.btn-sm{height:44px;padding:0 20px;font-size:14px}
.btn:active{transform:translateY(1px)}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--white);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 30px rgba(11,12,14,.08)}
.header-inner{
  display:flex;
  align-items:center;
  gap:28px;
  min-height:72px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  font-size:18px;
  letter-spacing:-.02em;
  color:var(--ink);
  flex:0 0 auto;
}
.brand-mark{
  width:34px;height:34px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:10px;
  background:var(--ink);
  color:var(--lime);
  font-weight:800;
  font-size:16px;
  letter-spacing:0;
}
.brand-text{white-space:nowrap}
.main-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:6px;
  flex:1 1 auto;
}
.nav-link{
  position:relative;
  padding:10px 14px;
  font-size:15px;
  font-weight:600;
  color:var(--graphite);
  border-radius:10px;
  white-space:nowrap;
}
.nav-link:hover{background:#F1F2ED;color:var(--ink)}
.nav-link.is-active{color:var(--ink)}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;
  background:var(--lime);
  border-radius:2px;
}
.header-actions{
  display:flex;
  align-items:center;
  gap:14px;
  flex:0 0 auto;
}
.search-form{
  display:flex;
  align-items:center;
  gap:9px;
  height:42px;
  padding:0 16px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:999px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.search-form i{color:var(--mist);font-size:13px}
.search-form input{
  border:0;
  background:transparent;
  outline:none;
  width:170px;
  font-size:14px;
  color:var(--graphite);
}
.search-form input::placeholder{color:#9BA19A}
.search-form:focus-within{border-color:var(--lime);box-shadow:0 0 0 4px rgba(200,255,61,.28)}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  background:var(--white);
  border-radius:12px;
  padding:0;
  cursor:pointer;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease)}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ============ 内页 Hero ============ */
.page-hero{
  position:relative;
  min-height:44vh;
  display:flex;
  align-items:flex-end;
  background-color:var(--ink);
  background-image:linear-gradient(180deg,rgba(11,12,14,.62),rgba(11,12,14,.88)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:auto 0 0 0;
  height:1px;
  background:rgba(200,255,61,.35);
}
.page-hero .hero-inner{
  position:relative;
  z-index:2;
  padding:112px 0 56px;
  max-width:840px;
}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:rgba(255,255,255,.66);
  margin-bottom:22px;
}
.crumb a{color:rgba(255,255,255,.86)}
.crumb a:hover{color:var(--lime)}
.crumb span.sep{color:rgba(255,255,255,.35)}
.page-hero h1{
  font-size:clamp(36px,4.6vw,62px);
  font-weight:800;
  line-height:1.04;
  letter-spacing:-.035em;
  color:var(--white);
}
.page-hero h1 em{
  font-style:normal;
  display:block;
  color:var(--lime);
}
.hero-lead{
  margin-top:20px;
  font-size:18px;
  line-height:1.75;
  color:rgba(255,255,255,.78);
  max-width:660px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:32px;
}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:36px;
  margin-top:46px;
  padding-top:26px;
  border-top:1px solid rgba(255,255,255,.14);
}
.hero-stat-num{
  font-size:26px;
  font-weight:800;
  color:var(--white);
  letter-spacing:-.02em;
  line-height:1.2;
}
.hero-stat-label{
  font-size:13px;
  color:rgba(255,255,255,.6);
  margin-top:4px;
}

/* ============ 筛选栏 ============ */
.filter-bar{
  display:flex;
  align-items:center;
  gap:8px;
  overflow-x:auto;
  padding:6px 0 14px;
  border-bottom:1px solid var(--line);
  scrollbar-width:none;
}
.filter-bar::-webkit-scrollbar{display:none}
.filter-chip{
  flex:0 0 auto;
  padding:10px 18px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--white);
  font-size:14px;
  font-weight:600;
  color:var(--graphite);
  cursor:pointer;
  transition:all .18s var(--ease);
}
.filter-chip:hover{border-color:var(--ink);color:var(--ink)}
.filter-chip.is-active{background:var(--ink);color:var(--white);border-color:var(--ink);box-shadow:inset 0 -3px 0 var(--lime)}
.filter-note{
  margin-left:auto;
  font-size:13px;
  color:var(--mist);
  white-space:nowrap;
  padding-left:16px;
}

/* ============ 活动大卡列表 ============ */
.activity-list{
  display:flex;
  flex-direction:column;
  gap:22px;
  margin-top:40px;
}
.activity-card{
  display:grid;
  grid-template-columns:340px 1fr;
  gap:0;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-panel);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.activity-card:hover{
  transform:translateY(-4px);
  border-color:var(--ink);
  box-shadow:var(--shadow-hover);
}
.ac-thumb{
  position:relative;
  min-height:260px;
  background:var(--ink);
  overflow:hidden;
}
.ac-thumb img{
  width:100%;height:100%;
  object-fit:cover;
  border-radius:0;
  transition:transform .35s var(--ease);
}
.activity-card:hover .ac-thumb img{transform:scale(1.03)}
.ac-thumb .status-flag{
  position:absolute;
  left:18px;top:18px;
}
.ac-body{
  padding:30px 34px;
  display:flex;
  flex-direction:column;
  gap:14px;
}
.ac-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--mist);
}
.ac-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line)}
.ac-title{
  font-size:23px;
  font-weight:750;
  line-height:1.35;
  letter-spacing:-.015em;
  color:var(--ink);
}
.ac-desc{
  font-size:15.5px;
  line-height:1.8;
  color:var(--graphite);
  max-width:660px;
}
.ac-points{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:2px;
}
.ac-foot{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:18px;
  margin-top:auto;
  padding-top:18px;
  border-top:1px solid var(--line);
}
.ac-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  font-weight:700;
  color:var(--ink);
}
.ac-link i{transition:transform .16s var(--ease);font-size:13px}
.ac-link:hover i{transform:translateX(4px)}
.ac-deadline{font-size:13px;color:var(--mist)}
.ac-progress{
  margin-left:auto;
  min-width:180px;
  flex:1 1 180px;
  max-width:260px;
}
.ac-progress-top{
  display:flex;
  justify-content:space-between;
  font-size:12.5px;
  color:var(--mist);
  margin-bottom:7px;
}
.progress-track{
  height:6px;
  border-radius:999px;
  background:var(--line);
  overflow:hidden;
}
.progress-fill{
  height:100%;
  border-radius:999px;
  background:var(--lime);
  transition:width .9s var(--ease);
}
.progress-fill.is-done{background:var(--done)}
.progress-fill.is-todo{background:var(--todo)}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:5px 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.04em;
  background:var(--white);
  border:1px solid var(--line);
  color:var(--graphite);
}
.badge::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--todo);
}
.badge-live{background:var(--lime);border-color:var(--lime);color:var(--ink)}
.badge-live::before{background:var(--ink)}
.badge-soon{background:var(--white);border-color:var(--ink);color:var(--ink)}
.badge-soon::before{background:var(--warn)}
.badge-done{background:#F1F2ED;border-color:var(--line);color:var(--mist)}
.badge-done::before{background:var(--done)}
.tag{
  display:inline-flex;
  align-items:center;
  padding:5px 12px;
  border-radius:999px;
  background:#F1F2ED;
  border:1px solid var(--line);
  font-size:12.5px;
  color:var(--graphite);
  font-weight:600;
}
.tag-lime{background:rgba(200,255,61,.35);border-color:rgba(200,255,61,.9);color:var(--ink)}

/* ============ 时间线 ============ */
.timeline{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  margin-top:52px;
  border-top:1px solid var(--line);
}
.tl-item{
  position:relative;
  padding:34px 28px 8px 0;
}
.tl-item::before{
  content:"";
  position:absolute;
  left:0;top:-5px;
  width:9px;height:9px;
  border-radius:50%;
  background:var(--todo);
  border:2px solid var(--bg);
}
.tl-item.is-current::before{background:var(--lime);box-shadow:0 0 0 4px rgba(200,255,61,.35)}
.tl-num{
  font-size:40px;
  font-weight:800;
  letter-spacing:-.05em;
  color:#D9DCD3;
  line-height:1;
  margin-bottom:14px;
}
.tl-item.is-current .tl-num{color:var(--ink)}
.tl-title{
  font-size:19px;
  font-weight:700;
  color:var(--ink);
  line-height:1.4;
}
.tl-desc{
  margin-top:8px;
  font-size:14.5px;
  color:var(--mist);
  line-height:1.75;
  max-width:250px;
}

/* ============ 更新提示条 ============ */
.notice-band{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:20px;
  margin-top:44px;
  padding:24px 30px;
  background:var(--white);
  border:1px dashed var(--field);
  border-radius:var(--radius-card);
}
.notice-band i{color:var(--lime-deep);font-size:18px}
.notice-band p{font-size:14.5px;color:var(--graphite)}
.notice-band .notice-strong{font-weight:700;color:var(--ink)}

/* ============ FAQ ============ */
.faq{
  margin-top:44px;
  border-top:1px solid var(--line);
}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:24px 6px;
  background:transparent;
  border:0;
  text-align:left;
  font-size:18px;
  font-weight:700;
  color:var(--ink);
  cursor:pointer;
  transition:background .18s var(--ease);
}
.faq-q:hover{background:#F1F2ED}
.faq-q .faq-icon{
  flex:0 0 auto;
  width:28px;height:28px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  border:1px solid var(--line);
  font-size:15px;
  color:var(--ink);
  transition:background .18s var(--ease),border-color .18s var(--ease);
}
.faq-item.is-open .faq-q{background:#F1F2ED}
.faq-item.is-open .faq-icon{background:var(--lime);border-color:var(--lime)}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .28s var(--ease);
}
.faq-a-inner{
  position:relative;
  padding:0 6px 26px 22px;
  font-size:16px;
  line-height:1.82;
  color:var(--graphite);
}
.faq-a-inner::before{
  content:"";
  position:absolute;
  left:6px;top:8px;bottom:30px;
  width:2px;
  background:var(--lime);
  border-radius:2px;
}

/* ============ 深色 CTA ============ */
.cta-band{
  background:var(--ink);
  color:var(--white);
  border-radius:0;
  padding:96px 0;
}
.cta-inner{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:48px;
  align-items:center;
}
.cta-band h2{
  font-size:clamp(28px,3.4vw,44px);
  font-weight:780;
  line-height:1.14;
  letter-spacing:-.025em;
  margin-top:14px;
}
.cta-band .eyebrow{color:rgba(255,255,255,.6)}
.cta-band p{
  margin-top:16px;
  font-size:16px;
  color:rgba(255,255,255,.72);
  max-width:560px;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.cta-side{
  display:grid;
  gap:16px;
}
.cta-mini{
  display:flex;
  align-items:flex-start;
  gap:14px;
  padding:20px 22px;
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius-card);
}
.cta-mini i{color:var(--lime);font-size:17px;margin-top:4px}
.cta-mini strong{display:block;font-size:15.5px;font-weight:700;color:var(--white)}
.cta-mini span{font-size:13.5px;color:rgba(255,255,255,.62);line-height:1.7}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);
  color:var(--white);
  padding:76px 0 30px;
  border-top:1px solid rgba(255,255,255,.08);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:44px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:800;
  letter-spacing:-.02em;
}
.footer-desc{
  margin-top:16px;
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.6);
  max-width:330px;
}
.footer-title{
  font-size:13px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:rgba(255,255,255,.45);
  margin-bottom:16px;
  font-weight:700;
}
.footer-list li{margin-bottom:11px}
.footer-list a{color:rgba(255,255,255,.82);font-size:14.5px}
.footer-list a:hover{color:var(--lime)}
.footer-contact li{
  font-size:14px;
  color:rgba(255,255,255,.66);
  line-height:1.8;
  margin-bottom:11px;
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  margin-top:56px;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;
  color:rgba(255,255,255,.5);
}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .container{padding:0 28px}
  .search-form input{width:120px}
  .section{padding:80px 0}
  .activity-card{grid-template-columns:280px 1fr}
  .ac-body{padding:26px 26px}
  .cta-inner{grid-template-columns:1fr;gap:34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .timeline{grid-template-columns:1fr 1fr}
  .tl-item{padding:30px 22px 6px 0}
  .tl-item::before{left:0}
  .tl-item:nth-child(3)::before{display:block}
}
@media (max-width:900px){
  .main-nav{
    position:absolute;
    top:100%;left:0;right:0;
    flex-direction:column;
    align-items:stretch;
    gap:2px;
    background:var(--white);
    border-bottom:1px solid var(--line);
    padding:14px 24px 22px;
    box-shadow:0 22px 40px rgba(11,12,14,.12);
    display:none;
  }
  .main-nav.is-open{display:flex}
  .nav-link{padding:14px 12px;font-size:16px;border-radius:12px}
  .nav-link.is-active::after{left:12px;right:auto;width:22px;bottom:8px}
  .nav-toggle{display:flex}
  .search-form{display:none}
}
@media (max-width:768px){
  body{font-size:16px}
  .container{padding:0 20px}
  .section{padding:64px 0}
  .section-tight{padding:52px 0}
  .page-hero{min-height:38vh}
  .page-hero .hero-inner{padding:84px 0 44px}
  .hero-lines{display:none}
  .hero-lead{font-size:16.5px}
  .hero-stats{gap:26px;margin-top:34px}
  .activity-card{grid-template-columns:1fr}
  .ac-thumb{min-height:200px}
  .ac-body{padding:24px 22px}
  .ac-progress{margin-left:0;max-width:none;flex:1 1 100%}
  .tl-item{padding:28px 16px 4px 0}
  .tl-title{font-size:17.5px}
  .faq-q{font-size:16.5px;padding:20px 4px}
  .faq-a-inner{padding:0 4px 22px 18px}
  .notice-band{padding:20px 22px}
  .cta-band{padding:66px 0}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{margin-top:40px}
}
@media (max-width:520px){
  .brand-text{font-size:16px}
  .header-actions .btn-sm{padding:0 14px;font-size:13px}
  .timeline{grid-template-columns:1fr}
  .tl-item{padding:26px 0 4px 18px}
  .tl-item::before{left:0}
  .hero-stats{display:grid;grid-template-columns:1fr 1fr;gap:20px}
  .activity-list{gap:18px}
  .ac-title{font-size:20px}
}
@media (prefers-reduced-motion: reduce){
  *{transition:none !important;animation:none !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category3 */
:root{
  --ink:#0B0C0E;
  --lime:#C8FF3D;
  --graphite:#22262B;
  --mist:#6C7278;
  --line:#E4E6DF;
  --bg:#F6F6F2;
  --white:#FFFFFF;
  --done:#00D6A3;
  --doing:#C8FF3D;
  --todo:#D7DAD2;
  --warn:#FF6A3D;
  --radius-btn:12px;
  --radius-card:16px;
  --radius-panel:22px;
  --shadow-sm:0 12px 32px rgba(11,12,14,.06);
  --shadow-lg:0 24px 64px rgba(11,12,14,.12);
  --container:1240px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  font-size:17px;
  line-height:1.8;
  color:var(--graphite);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 40px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:var(--white);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease,background .2s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 30px rgba(11,12,14,.08);}
.header-inner{display:flex;align-items:center;gap:26px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;letter-spacing:-.02em;color:var(--ink);}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--ink);color:var(--lime);
  display:grid;place-items:center;font-size:16px;font-weight:800;letter-spacing:0;
}
.main-nav{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;padding:9px 14px;border-radius:999px;font-size:15px;font-weight:600;
  color:var(--mist);transition:color .18s ease,background .18s ease;
}
.nav-link:hover{color:var(--ink);background:#F1F2ED;}
.nav-link.is-active{color:var(--ink);}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;border-radius:99px;background:var(--lime);
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:14px;}
.search-form{
  display:flex;align-items:center;gap:9px;height:42px;padding:0 16px;
  background:var(--white);border:1px solid var(--line);border-radius:999px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-form i{color:var(--mist);font-size:14px;}
.search-form input{border:0;outline:0;background:transparent;width:168px;font-size:14px;color:var(--ink);}
.search-form input::placeholder{color:#9AA0A5;}
.search-form:focus-within{border-color:var(--lime);box-shadow:0 0 0 4px rgba(200,255,61,.3);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:50px;padding:0 26px;border:1px solid transparent;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;cursor:pointer;
  transition:background .16s ease,color .16s ease,border-color .16s ease,transform .16s ease,box-shadow .16s ease;
}
.btn i{transition:transform .16s ease;}
.btn:hover i{transform:translateX(4px);}
.btn-primary{background:var(--lime);color:var(--ink);}
.btn-primary:hover{background:var(--ink);color:#fff;}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#fff;}
.btn-on-dark{background:var(--lime);color:var(--ink);}
.btn-on-dark:hover{background:#fff;color:var(--ink);}
.btn-outline-dark{background:transparent;border-color:rgba(255,255,255,.55);color:#fff;}
.btn-outline-dark:hover{background:#fff;color:var(--ink);border-color:#fff;}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}

.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;
  background:var(--white);cursor:pointer;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:17px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}

/* ---------- hero ---------- */
.hero{
  position:relative;min-height:44vh;display:flex;align-items:center;
  background:var(--ink) url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  color:#fff;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(96deg,rgba(11,12,14,.94) 0%,rgba(11,12,14,.74) 52%,rgba(11,12,14,.46) 100%);
}
.hero-inner{position:relative;z-index:1;width:100%;padding:92px 0 76px;max-width:860px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.14em;
  color:var(--ink);background:var(--lime);border-radius:999px;padding:6px 14px;margin-bottom:22px;
}
.hero h1{
  font-size:clamp(34px,4.8vw,62px);font-weight:800;line-height:1.06;letter-spacing:-.035em;color:#fff;
}
.hero-sub{margin-top:20px;font-size:clamp(16px,1.6vw,19px);line-height:1.75;color:rgba(255,255,255,.82);max-width:640px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;
  margin-top:52px;padding-top:28px;border-top:1px solid rgba(255,255,255,.16);
}
.hero-strip .num{font-size:clamp(24px,2.4vw,34px);font-weight:800;letter-spacing:-.03em;color:#fff;line-height:1.1;}
.hero-strip .num em{font-style:normal;color:var(--lime);}
.hero-strip .lbl{font-size:13px;color:rgba(255,255,255,.6);letter-spacing:.04em;margin-top:4px;}

/* ---------- sections ---------- */
.section{padding:104px 0;}
.section-tight{padding:76px 0;}
.section-head{max-width:780px;margin-bottom:46px;}
.section-head h2{
  font-size:clamp(28px,3.4vw,44px);font-weight:750;line-height:1.15;letter-spacing:-.025em;color:var(--ink);
}
.section-head p{margin-top:16px;font-size:16px;color:var(--mist);}
.section-head .kicker{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--mist);margin-bottom:14px;
}
.bg-white{background:var(--white);}

/* ---------- progress panel ---------- */
.panel{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-panel);
  padding:38px;box-shadow:var(--shadow-sm);
}
.panel-top{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:24px;}
.panel-label{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--mist);}
.panel-value{font-size:clamp(44px,5vw,70px);font-weight:800;letter-spacing:-.04em;color:var(--ink);line-height:1.05;margin-top:8px;}
.panel-value span{font-size:.36em;font-weight:700;color:var(--mist);letter-spacing:0;margin-left:6px;}
.countdown{
  display:inline-flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:999px;
  padding:10px 18px;font-size:14px;font-weight:700;color:var(--ink);background:#FBFAF6;
}
.countdown i{color:var(--warn);}

.bar{height:14px;border-radius:999px;background:var(--line);overflow:hidden;}
.bar > i{display:block;height:100%;width:0;border-radius:999px;background:var(--lime);transition:width .9s cubic-bezier(.22,.7,.3,1);}
.bar.is-done > i{background:var(--done);}
.bar-wrap{margin-top:26px;}
.bar-meta{display:flex;justify-content:space-between;font-size:13px;color:var(--mist);margin-bottom:10px;}

.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-top:34px;}
.stat{border:1px solid var(--line);border-radius:var(--radius-card);padding:22px 24px;background:#FBFAF6;}
.stat .stat-num{font-size:clamp(28px,3vw,40px);font-weight:800;letter-spacing:-.03em;color:var(--ink);line-height:1.1;}
.stat .stat-lbl{font-size:13px;color:var(--mist);margin-top:6px;}
.stat.is-doing{border-color:var(--lime);background:#FBFEF0;}

.legend{display:flex;flex-wrap:wrap;gap:22px;margin-top:28px;font-size:14px;color:var(--mist);}
.legend span{display:inline-flex;align-items:center;gap:9px;}
.dot{width:10px;height:10px;border-radius:50%;display:inline-block;flex:0 0 auto;}
.dot-done{background:var(--done);}
.dot-doing{background:var(--doing);box-shadow:0 0 0 4px rgba(200,255,61,.28);}
.dot-todo{background:var(--todo);}

.panel-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;padding-top:28px;border-top:1px solid var(--line);}

/* ---------- task list ---------- */
.task-list{display:flex;flex-direction:column;gap:14px;}
.task-row{
  display:grid;grid-template-columns:auto minmax(0,1.35fr) minmax(0,1.05fr) auto;gap:22px;align-items:center;
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);padding:22px 26px;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.task-row:hover{transform:translateY(-3px);border-color:var(--ink);box-shadow:var(--shadow-lg);}
.task-main h3{font-size:19px;font-weight:700;color:var(--ink);line-height:1.4;}
.task-main p{font-size:14px;color:var(--mist);margin-top:6px;line-height:1.7;}
.task-progress .bar{height:8px;}
.task-progress .task-meta{display:flex;justify-content:space-between;font-size:12px;color:var(--mist);margin-top:9px;}
.task-side{display:flex;flex-direction:column;align-items:flex-end;gap:10px;}
.badge{
  display:inline-flex;align-items:center;gap:7px;border-radius:999px;padding:6px 14px;
  font-size:12px;font-weight:700;letter-spacing:.04em;border:1px solid var(--line);background:var(--white);color:var(--graphite);
}
.badge-done{background:rgba(0,214,163,.12);border-color:rgba(0,214,163,.35);color:#0A8C6E;}
.badge-doing{background:var(--lime);border-color:var(--lime);color:var(--ink);}
.badge-todo{background:#F1F2ED;border-color:var(--line);color:var(--mist);}
.task-link{font-size:13px;font-weight:700;color:var(--ink);display:inline-flex;align-items:center;gap:7px;transition:gap .16s ease,color .16s ease;}
.task-link:hover{color:#6E9B00;gap:11px;}

/* ---------- timeline ---------- */
.timeline{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;margin-top:8px;}
.step{position:relative;padding:0 26px 0 0;}
.step:last-child{padding-right:0;}
.step::before{content:"";position:absolute;left:0;right:0;top:22px;height:1px;background:var(--line);}
.step:last-child::before{right:56%;}
.step-num{
  position:relative;z-index:1;display:inline-flex;align-items:center;justify-content:center;
  width:46px;height:46px;border-radius:14px;background:var(--white);border:1px solid var(--line);
  font-size:16px;font-weight:800;color:var(--ink);letter-spacing:-.02em;
}
.step.is-current .step-num{background:var(--ink);border-color:var(--ink);color:var(--lime);}
.step-body{margin-top:22px;max-width:250px;}
.step-body h3{font-size:20px;font-weight:700;color:var(--ink);}
.step-body p{font-size:15px;color:var(--mist);margin-top:10px;line-height:1.75;}

/* ---------- split block ---------- */
.split{display:grid;grid-template-columns:1fr 1.08fr;gap:56px;align-items:center;}
.split-media{border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-sm);}
.split-media img{width:100%;height:100%;min-height:340px;object-fit:cover;transition:transform .5s ease;}
.split-media:hover img{transform:scale(1.03);}
.check-list{display:flex;flex-direction:column;gap:18px;margin-top:30px;}
.check-list li{display:flex;gap:14px;align-items:flex-start;}
.check-list i{color:#6E9B00;font-size:16px;margin-top:6px;}
.check-list strong{display:block;font-size:17px;color:var(--ink);font-weight:700;}
.check-list span{font-size:15px;color:var(--mist);}

/* ---------- faq ---------- */
.faq{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:24px;
  background:none;border:0;padding:24px 0;text-align:left;cursor:pointer;
  font-size:18px;font-weight:700;color:var(--ink);line-height:1.5;transition:background .18s ease;
}
.faq-q:hover{background:#F1F2ED;}
.faq-item{transition:background .18s ease;}
.faq-item.is-open{background:var(--white);}
.faq-icon{
  flex:0 0 auto;width:30px;height:30px;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;font-size:15px;font-weight:700;color:var(--ink);transition:background .18s ease,color .18s ease;
}
.faq-item.is-open .faq-icon{background:var(--ink);color:var(--lime);border-color:var(--ink);}
.faq-a{display:none;padding:0 0 26px 20px;border-left:3px solid var(--lime);margin-left:2px;}
.faq-item.is-open .faq-a{display:block;}
.faq-a p{font-size:16px;color:var(--graphite);line-height:1.85;max-width:800px;}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--ink);color:#fff;border-radius:26px;padding:56px 52px;
  display:grid;grid-template-columns:minmax(0,1.5fr) auto;gap:36px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,255,61,.22),rgba(200,255,61,0) 68%);
}
.cta-band h2{font-size:clamp(26px,3vw,40px);font-weight:800;letter-spacing:-.025em;line-height:1.16;color:#fff;}
.cta-band p{margin-top:16px;font-size:16px;color:rgba(255,255,255,.72);max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:1;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#fff;margin-top:104px;padding:76px 0 34px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;letter-spacing:-.02em;color:#fff;}
.footer-desc{margin-top:18px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:340px;}
.footer-title{font-size:13px;font-weight:700;letter-spacing:.14em;color:rgba(255,255,255,.48);margin-bottom:18px;}
.footer-list li{margin-bottom:12px;}
.footer-list a,.footer-contact li{font-size:14px;color:rgba(255,255,255,.78);transition:color .18s ease;}
.footer-list a:hover{color:var(--lime);}
.footer-contact li{margin-bottom:12px;line-height:1.7;}
.footer-bottom{
  margin-top:56px;padding-top:26px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease;}
.reveal.is-visible{opacity:1;transform:none;}
.reveal.d1{transition-delay:.08s;}
.reveal.d2{transition-delay:.16s;}
.reveal.d3{transition-delay:.24s;}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .container{padding:0 28px;}
  .main-nav{
    position:fixed;left:0;right:0;top:72px;bottom:0;background:var(--white);
    flex-direction:column;align-items:stretch;gap:6px;padding:22px 28px 40px;
    transform:translateY(-10px);opacity:0;visibility:hidden;overflow-y:auto;
    transition:opacity .2s ease,transform .2s ease,visibility .2s ease;z-index:70;
    border-top:1px solid var(--line);
  }
  .main-nav.is-open{transform:none;opacity:1;visibility:visible;}
  .nav-link{font-size:17px;padding:15px 16px;border-radius:12px;color:var(--ink);}
  .nav-link.is-active{background:#F1F2ED;}
  .nav-link.is-active::after{display:none;}
  .search-form{display:none;}
  .nav-toggle{display:flex;}
  .section{padding:82px 0;}
  .section-tight{padding:64px 0;}
  .split{grid-template-columns:1fr;gap:34px;}
  .timeline{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px 0;}
  .step:nth-child(2)::before{right:56%;}
  .step:nth-child(3)::before{left:0;}
  .cta-band{grid-template-columns:1fr;padding:44px 34px;border-radius:22px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:768px){
  .container{padding:0 22px;}
  body{font-size:16px;}
  .hero-inner{padding:70px 0 58px;}
  .hero-strip{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 16px;}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .panel{padding:28px 22px;}
  .task-row{grid-template-columns:1fr;gap:16px;padding:22px 20px;}
  .task-side{flex-direction:row;align-items:center;justify-content:space-between;width:100%;}
  .timeline{grid-template-columns:1fr;}
  .step{padding-right:0;}
  .step::before{display:none;}
  .step-body{max-width:none;}
  .split-media img{min-height:240px;}
  .faq-q{font-size:17px;padding:20px 0;}
  .faq-a{padding-left:14px;}
  .site-footer{padding:60px 0 30px;margin-top:76px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:520px){
  .header-inner{gap:14px;height:66px;}
  .brand-text{font-size:16px;}
  .btn-sm{padding:0 14px;font-size:13px;}
  .hero-actions .btn{width:100%;}
  .panel-actions .btn{width:100%;}
  .countdown{width:100%;justify-content:center;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category2 */
:root{
  --ink:#0B0C0E;
  --ink-soft:#22262B;
  --mist:#6C7278;
  --line:#E4E6DF;
  --line-strong:#D7DAD2;
  --bg:#F6F6F2;
  --white:#FFFFFF;
  --lime:#C8FF3D;
  --lime-deep:#B4EC22;
  --done:#00D6A3;
  --warn:#FF6A3D;
  --soft:#F1F2ED;
  --radius-xs:10px;
  --radius-sm:12px;
  --radius:16px;
  --radius-lg:22px;
  --shadow-sm:0 6px 18px rgba(11,12,14,.05);
  --shadow:0 12px 32px rgba(11,12,14,.06);
  --shadow-lg:0 24px 64px rgba(11,12,14,.12);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-soft);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,p,ul,ol,figure,blockquote{margin:0;padding:0}
ul,ol{list-style:none}
a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease}
img{display:block;max-width:100%;height:auto}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px}
.foundation-reset-fix a{color:inherit}
body a:hover{color:inherit}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 40px}
.grid-container{max-width:var(--container);padding-left:40px;padding-right:40px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:50px;padding:0 26px;border-radius:var(--radius-sm);
  font-size:15.5px;font-weight:700;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .16s ease,color .16s ease,border-color .16s ease,transform .16s ease,box-shadow .16s ease;
  white-space:nowrap;
}
.btn i{font-size:13px;transition:transform .16s ease}
.btn:hover i{transform:translateX(4px)}
.btn-primary{background:var(--lime);color:var(--ink);box-shadow:0 10px 26px rgba(200,255,61,.28)}
.btn-primary:hover{background:var(--ink);color:#fff;box-shadow:0 16px 36px rgba(11,12,14,.24)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.42);color:#fff}
.btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn-outline{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:#fff}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--lime);color:var(--ink)}
.btn-sm{height:42px;padding:0 18px;font-size:14px;border-radius:var(--radius-xs)}
.btn-lg{height:56px;padding:0 32px;font-size:16.5px}

/* ============ 头部 ============ */
.site-header{
  position:sticky;top:0;z-index:120;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 28px rgba(11,12,14,.08)}
.header-inner{display:flex;align-items:center;gap:28px;height:74px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:11px;background:var(--ink);color:var(--lime);
  display:grid;place-items:center;font-weight:800;font-size:18px;letter-spacing:-.02em;
}
.brand-text{font-size:19px;font-weight:800;color:var(--ink);letter-spacing:-.02em}
.main-nav{display:flex;align-items:center;gap:4px;margin:0 auto}
.nav-link{
  display:inline-flex;align-items:center;height:40px;padding:0 15px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--ink-soft);
}
.nav-link:hover{background:var(--soft);color:var(--ink)}
.nav-link.is-active{background:var(--ink);color:#fff}
.header-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.search-form{
  display:flex;align-items:center;gap:9px;height:42px;padding:0 16px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-form i{color:var(--mist);font-size:13px}
.search-form input{
  border:0;background:transparent;outline:none;width:170px;font-size:14px;color:var(--ink);
}
.search-form input::placeholder{color:#9AA0A0}
.search-form:focus-within{border-color:var(--lime);box-shadow:0 0 0 4px rgba(200,255,61,.22)}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--radius-xs);
  background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ 首屏 ============ */
.page-hero{
  position:relative;display:flex;align-items:center;min-height:44vh;
  padding:92px 0 76px;color:#fff;overflow:hidden;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(96deg,rgba(11,12,14,.94) 0%,rgba(11,12,14,.8) 48%,rgba(11,12,14,.56) 100%);
}
.hero-inner{position:relative;max-width:900px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;
  background:rgba(200,255,61,.16);border:1px solid rgba(200,255,61,.5);color:var(--lime);
  font-size:12.5px;font-weight:700;letter-spacing:.14em;
}
.page-hero h1{
  margin-top:22px;font-size:clamp(36px,5.2vw,64px);font-weight:800;line-height:1.04;
  letter-spacing:-.04em;color:#fff;
}
.page-hero h1 em{font-style:normal;color:var(--lime)}
.hero-sub{margin-top:20px;max-width:640px;font-size:19px;line-height:1.75;color:rgba(255,255,255,.78)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:26px;
  margin-top:52px;padding-top:26px;border-top:1px solid rgba(255,255,255,.16);
}
.hero-stat b{display:block;font-size:clamp(26px,2.6vw,34px);font-weight:800;letter-spacing:-.03em;color:var(--lime);line-height:1.1}
.hero-stat span{display:block;margin-top:6px;font-size:13.5px;color:rgba(255,255,255,.62)}

/* ============ 通用板块 ============ */
.section{padding:104px 0}
.section--paper{background:var(--white)}
.section--tight{padding:84px 0}
.sec-label{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:var(--lime);color:var(--ink);font-size:12.5px;font-weight:800;letter-spacing:.14em;
}
.sec-label--dark{background:var(--ink);color:var(--lime)}
.sec-title{
  margin-top:20px;font-size:clamp(28px,3.4vw,42px);font-weight:750;line-height:1.15;
  letter-spacing:-.03em;color:var(--ink);max-width:840px;
}
.sec-desc{margin-top:16px;max-width:780px;font-size:16.5px;color:var(--mist)}
.sec-head-flex{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;flex-wrap:wrap}

/* ============ 档位阶梯 ============ */
.tier-ladder{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:58px;align-items:start}
.tier-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px 24px 26px;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.tier-card:nth-child(2){margin-top:34px}
.tier-card:nth-child(3){margin-top:68px}
.tier-card:nth-child(4){margin-top:102px}
.tier-card:hover{transform:translateY(-4px);border-color:var(--ink);box-shadow:var(--shadow-lg)}
.tier-badge{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
  background:var(--soft);color:var(--ink);font-size:12px;font-weight:800;letter-spacing:.12em;
}
.tier-name{margin-top:18px;font-size:22px;font-weight:750;color:var(--ink);letter-spacing:-.02em}
.tier-desc{margin-top:10px;font-size:14.5px;color:var(--mist);line-height:1.75;min-height:52px}
.tier-meter{height:6px;border-radius:999px;background:var(--line);margin:20px 0 20px;overflow:hidden}
.tier-meter i{display:block;height:100%;border-radius:999px;background:var(--lime)}
.tier-list li{display:flex;gap:10px;font-size:14.5px;line-height:1.7;color:var(--ink-soft)}
.tier-list li+li{margin-top:11px}
.tier-list i{color:var(--done);font-size:13px;margin-top:6px}
.tier-note{margin-top:20px;padding-top:16px;border-top:1px dashed var(--line);font-size:13px;color:var(--mist)}
.tier-card.is-top{background:var(--ink);border-color:var(--ink)}
.tier-card.is-top .tier-badge{background:var(--lime);color:var(--ink)}
.tier-card.is-top .tier-name{color:#fff}
.tier-card.is-top .tier-desc{color:rgba(255,255,255,.7)}
.tier-card.is-top .tier-list li{color:rgba(255,255,255,.86)}
.tier-card.is-top .tier-meter{background:rgba(255,255,255,.16)}
.tier-card.is-top .tier-note{border-top-color:rgba(255,255,255,.18);color:rgba(255,255,255,.6)}
.tier-card.is-top:hover{border-color:var(--lime)}

/* ============ 图文分栏 ============ */
.split{display:grid;grid-template-columns:1fr 1.05fr;gap:58px;align-items:center}
.split-media{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);border:1px solid var(--line)}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.compose-list{margin-top:34px;display:grid;gap:18px}
.compose-item{display:flex;gap:16px;padding:18px 20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease}
.compose-item:hover{border-color:var(--ink);transform:translateY(-3px);box-shadow:var(--shadow)}
.compose-num{
  flex:0 0 auto;width:38px;height:38px;border-radius:11px;background:var(--soft);color:var(--ink);
  display:grid;place-items:center;font-weight:800;font-size:14px;letter-spacing:-.02em;
}
.compose-item h3{font-size:17px;font-weight:700;color:var(--ink);line-height:1.4}
.compose-item p{margin-top:6px;font-size:14.5px;color:var(--mist);line-height:1.7}
.split-actions{margin-top:32px;display:flex;flex-wrap:wrap;gap:14px}

/* ============ 奖励对比横滑 ============ */
.compare-wrap{position:relative;margin-top:52px}
.compare-scroll{
  display:flex;gap:20px;overflow-x:auto;padding:6px 4px 22px;
  scroll-snap-type:x mandatory;scrollbar-width:thin;
  -webkit-overflow-scrolling:touch;
}
.compare-scroll::-webkit-scrollbar{height:8px}
.compare-scroll::-webkit-scrollbar-track{background:var(--line);border-radius:999px}
.compare-scroll::-webkit-scrollbar-thumb{background:var(--ink);border-radius:999px}
.compare-card{
  flex:0 0 320px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.compare-card:hover{transform:translateY(-4px);border-color:var(--ink);box-shadow:var(--shadow-lg)}
.compare-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--soft)}
.compare-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.compare-card:hover .compare-media img{transform:scale(1.04)}
.compare-tag{
  position:absolute;left:14px;top:14px;padding:5px 12px;border-radius:999px;
  background:rgba(11,12,14,.82);color:#fff;font-size:12px;font-weight:700;letter-spacing:.08em;
}
.compare-body{padding:22px 22px 24px}
.compare-title{font-size:19.5px;font-weight:750;color:var(--ink);letter-spacing:-.02em}
.compare-desc{margin-top:10px;font-size:14.5px;color:var(--mist);line-height:1.75}
.compare-rows{margin-top:18px;padding-top:15px;border-top:1px dashed var(--line);display:grid;gap:11px}
.compare-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px;font-size:14px}
.compare-row span{color:var(--mist)}
.compare-row strong{color:var(--ink);font-weight:700}
.scroll-hint{margin-top:6px;font-size:13.5px;color:var(--mist)}
.scroll-hint i{color:var(--ink);margin-right:6px}

/* ============ 发放流程 ============ */
.flow-grid{margin-top:52px}
.flow-item{margin-bottom:28px}
.flow-body{position:relative;padding-top:26px;border-top:1px solid var(--line-strong)}
.flow-body::before{
  content:"";position:absolute;top:-5px;left:0;width:10px;height:10px;border-radius:50%;
  background:var(--line-strong);border:2px solid var(--bg);
}
.flow-item.is-current .flow-body::before{background:var(--lime);box-shadow:0 0 0 5px rgba(200,255,61,.24)}
.flow-num{font-size:40px;font-weight:800;letter-spacing:-.04em;color:var(--line-strong);line-height:1}
.flow-item.is-current .flow-num{color:var(--ink)}
.flow-item h3{margin-top:12px;font-size:19px;font-weight:750;color:var(--ink)}
.flow-item p{margin-top:10px;font-size:14.5px;color:var(--mist);line-height:1.75}
.flow-note{
  margin-top:36px;padding:22px 26px;border-radius:var(--radius);background:var(--white);
  border:1px solid var(--line);display:flex;gap:16px;align-items:flex-start;
}
.flow-note i{color:var(--lime-deep);font-size:18px;margin-top:5px}
.flow-note p{font-size:15px;color:var(--mist)}
.flow-note strong{color:var(--ink)}

/* ============ FAQ ============ */
.faq-list{margin-top:44px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:24px;
  text-align:left;padding:24px 6px;font-size:18px;font-weight:700;color:var(--ink);line-height:1.55;
  transition:background-color .18s ease;
  border-radius:var(--radius-xs);
}
.faq-q:hover{background:var(--soft)}
.faq-ico{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;font-size:16px;line-height:1;color:var(--ink);
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.faq-item.is-open .faq-ico{background:var(--ink);color:var(--lime);border-color:var(--ink)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-a-inner{
  padding:0 60px 26px 20px;margin-bottom:4px;border-left:2px solid var(--lime);
  font-size:16px;color:var(--mist);line-height:1.8;
}

/* ============ CTA ============ */
.cta-section{padding:96px 0 104px}
.cta-band{
  position:relative;overflow:hidden;border-radius:26px;padding:66px 60px;color:#fff;
  background:var(--ink) url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  box-shadow:var(--shadow-lg);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(11,12,14,.95) 0%,rgba(11,12,14,.8) 55%,rgba(11,12,14,.6) 100%);
}
.cta-inner{position:relative;max-width:720px}
.cta-inner h2{font-size:clamp(28px,3.4vw,42px);font-weight:800;line-height:1.15;letter-spacing:-.03em;color:#fff}
.cta-inner p{margin-top:18px;font-size:17px;color:rgba(255,255,255,.76);max-width:600px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.cta-points{display:flex;flex-wrap:wrap;gap:22px;margin-top:34px;padding-top:24px;border-top:1px solid rgba(255,255,255,.16)}
.cta-points span{font-size:14px;color:rgba(255,255,255,.7)}
.cta-points i{color:var(--lime);margin-right:8px}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#fff;padding:74px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:42px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:-.02em}
.footer-brand .brand-mark{background:var(--lime);color:var(--ink)}
.footer-desc{margin-top:16px;max-width:340px;font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.62)}
.footer-title{font-size:14px;font-weight:800;letter-spacing:.12em;color:#fff;margin-bottom:18px}
.footer-list li+li{margin-top:11px}
.footer-list a{font-size:14.5px;color:rgba(255,255,255,.66)}
.footer-list a:hover{color:var(--lime)}
.footer-contact li{font-size:14.5px;color:rgba(255,255,255,.66);line-height:1.75}
.footer-contact li+li{margin-top:11px}
.footer-bottom{
  margin-top:54px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.5);
}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .header-inner{gap:18px}
  .search-form input{width:130px}
}
@media (max-width:1024px){
  .container,.grid-container{padding-left:28px;padding-right:28px}
  .main-nav{
    position:fixed;top:74px;left:0;right:0;z-index:110;
    flex-direction:column;align-items:stretch;gap:6px;margin:0;padding:18px 28px 26px;
    background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-lg);
    transform:translateY(-12px);opacity:0;visibility:hidden;
    transition:transform .22s ease,opacity .22s ease,visibility .22s ease;
  }
  .main-nav.is-open{transform:none;opacity:1;visibility:visible}
  .nav-link{height:46px;border-radius:var(--radius-xs);padding:0 14px}
  .nav-toggle{display:flex}
  .search-form{display:none}
  .tier-ladder{grid-template-columns:repeat(2,1fr);gap:20px}
  .tier-card:nth-child(2),
  .tier-card:nth-child(3),
  .tier-card:nth-child(4){margin-top:0}
  .split{grid-template-columns:1fr;gap:38px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .cta-band{padding:52px 40px}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:22px}
}
@media (max-width:768px){
  body{font-size:16px}
  .section{padding:68px 0}
  .section--tight{padding:60px 0}
  .page-hero{padding:66px 0 58px;min-height:38vh}
  .hero-sub{font-size:17px}
  .sec-desc{font-size:15.5px}
  .split-media img{aspect-ratio:16/10}
  .compare-card{flex:0 0 82vw}
  .faq-q{font-size:16.5px;padding:20px 2px}
  .faq-a-inner{padding:0 10px 22px 16px;font-size:15px}
  .cta-band{padding:44px 26px;border-radius:20px}
  .cta-section{padding:64px 0 72px}
}
@media (max-width:640px){
  .container,.grid-container{padding-left:20px;padding-right:20px}
  .header-inner{height:68px}
  .main-nav{top:68px;padding:16px 20px 22px}
  .brand-text{font-size:17px}
  .btn-sm{height:40px;padding:0 14px;font-size:13.5px}
  .tier-ladder{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;gap:8px}
  .hero-stats{grid-template-columns:1fr 1fr;gap:18px}
  .flow-num{font-size:34px}
}

/* roulang page: category4 */
:root{
  --ink:#0B0C0E;
  --lime:#C8FF3D;
  --graphite:#22262B;
  --mist:#6C7278;
  --line:#E4E6DF;
  --bg:#F6F6F2;
  --white:#FFFFFF;
  --done:#00D6A3;
  --warn:#FF6A3D;
  --r-btn:12px;
  --r-card:16px;
  --r-panel:22px;
  --shadow-sm:0 12px 32px rgba(11,12,14,.06);
  --shadow-lg:0 24px 64px rgba(11,12,14,.12);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--graphite);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:12px}
a{color:var(--ink);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:#5d7a00}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;letter-spacing:-.02em}
p{margin:0 0 16px}
ul,ol{margin:0 0 16px;padding-left:20px}
li{margin-bottom:8px}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 44px}
.section{padding:96px 0}
.section-sm{padding:72px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.14em;
  color:var(--mist);text-transform:uppercase;margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--lime);border-radius:2px}
.section-title{font-size:clamp(28px,3.4vw,44px);line-height:1.15;font-weight:750;letter-spacing:-.03em}
.section-sub{max-width:760px;color:var(--mist);font-size:16px;line-height:1.8;margin-top:14px}

/* ============ Header ============ */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--white);
  border-bottom:1px solid var(--line);transition:box-shadow .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(11,12,14,.07)}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  min-height:72px;
}
.brand{display:inline-flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:10px;background:var(--ink);color:var(--lime);
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:800;font-size:19px;letter-spacing:-.04em;
}
.brand-text{font-size:19px;font-weight:800;color:var(--ink);letter-spacing:-.02em}
.main-nav{display:flex;align-items:center;gap:6px}
.nav-link{
  position:relative;padding:10px 14px;border-radius:10px;
  font-size:15px;font-weight:600;color:var(--graphite);white-space:nowrap;
}
.nav-link:hover{background:#F1F2ED;color:var(--ink)}
.nav-link.is-active{color:var(--ink)}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--lime);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:12px}
.search-form{
  position:relative;display:flex;align-items:center;
  background:var(--white);border:1px solid var(--line);border-radius:999px;
  height:42px;padding:0 16px;transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.search-form i{color:var(--mist);font-size:13px;margin-right:8px}
.search-form input{
  border:0;outline:0;background:transparent;width:190px;
  font-size:14px;color:var(--graphite);font-family:inherit;height:100%;
}
.search-form input::placeholder{color:#9AA09A}
.search-form:focus-within{border-color:var(--lime);box-shadow:0 0 0 4px rgba(200,255,61,.28)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  border:1px solid transparent;border-radius:var(--r-btn);
  font-weight:700;font-size:15px;cursor:pointer;
  padding:0 26px;min-height:50px;
  transition:background .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease),transform .16s var(--ease);
}
.btn-sm{min-height:42px;padding:0 20px;font-size:14px;border-radius:10px}
.btn-primary{background:var(--lime);color:var(--ink)}
.btn-primary:hover{background:var(--ink);color:var(--white);transform:translateY(-1px)}
.btn-primary:hover .btn-arrow{transform:translateX(4px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--white)}
.btn-light{background:var(--white);color:var(--ink)}
.btn-light:hover{background:var(--lime);color:var(--ink)}
.btn-arrow{transition:transform .16s var(--ease)}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  background:var(--white);cursor:pointer;padding:0 11px;
}
.nav-toggle span{display:block;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease)}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ Hero ============ */
.rule-hero{
  position:relative;overflow:hidden;background:var(--ink);color:var(--white);
  padding:78px 0 72px;
}
.rule-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(11,12,14,.94) 0%,rgba(11,12,14,.82) 45%,rgba(11,12,14,.58) 100%),
             url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  z-index:0;
}
.rule-hero .container{position:relative;z-index:1}
.rule-hero h1{
  color:var(--white);font-size:clamp(38px,5.4vw,72px);line-height:1.02;
  font-weight:800;letter-spacing:-.04em;max-width:16em;
}
.rule-hero .hero-sub{max-width:660px;margin-top:18px;color:#D7DAD2;font-size:18px;line-height:1.75}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.meta-chip{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  border-radius:999px;padding:7px 15px;font-size:13px;color:#EAECE6;
}
.meta-chip i{color:var(--lime);font-size:12px}
.hero-search{margin-top:30px;max-width:620px}
.hero-search .search-form{height:52px;padding:0 8px 0 20px;background:rgba(255,255,255,.96)}
.hero-search .search-form input{flex:1;width:auto;height:100%;font-size:15px}
.hero-search .search-form .search-go{
  border:0;background:var(--lime);color:var(--ink);font-weight:700;font-size:14px;
  height:40px;padding:0 20px;border-radius:999px;cursor:pointer;white-space:nowrap;
  transition:background .16s var(--ease),color .16s var(--ease);
}
.hero-search .search-form .search-go:hover{background:var(--ink);color:var(--white)}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  margin-top:44px;padding-top:28px;border-top:1px solid rgba(255,255,255,.16);
}
.hero-stat .num{font-size:clamp(26px,3vw,38px);font-weight:800;color:var(--lime);letter-spacing:-.03em;line-height:1.1}
.hero-stat .lbl{font-size:13px;color:#B9BDB4;margin-top:6px}

/* ============ Doc layout ============ */
.doc-wrap{display:grid;grid-template-columns:276px minmax(0,1fr);gap:56px;align-items:start}
.doc-toc{
  position:sticky;top:96px;background:var(--white);
  border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 22px;box-shadow:var(--shadow-sm);
}
.doc-toc-title{font-size:13px;font-weight:800;letter-spacing:.12em;color:var(--mist);margin-bottom:14px}
.doc-toc-list{list-style:none;margin:0;padding:0}
.doc-toc-list li{margin:0}
.doc-toc-list a{
  display:flex;align-items:center;gap:10px;
  padding:9px 10px;border-radius:9px;font-size:14.5px;font-weight:600;color:var(--graphite);
  border-left:2px solid transparent;
}
.doc-toc-list a span.idx{font-size:12px;color:var(--mist);font-weight:700;min-width:18px}
.doc-toc-list a:hover{background:#F1F2ED;color:var(--ink);border-left-color:var(--lime)}
.doc-toc-note{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  font-size:13px;color:var(--mist);line-height:1.7;
}
.doc-main{max-width:820px}
.doc-intro{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-panel);
  padding:30px 30px 24px;box-shadow:var(--shadow-sm);margin-bottom:36px;
}
.doc-intro .doc-intro-top{display:flex;gap:24px;align-items:flex-start}
.doc-intro-txt{flex:1;min-width:0}
.doc-intro h2{font-size:24px;margin-bottom:12px}
.doc-intro p{font-size:16px;color:var(--mist);margin-bottom:12px}
.doc-intro p:last-child{margin-bottom:0}
.doc-intro figure{margin:0;width:260px;flex-shrink:0}
.doc-intro figure img{width:100%;height:170px;object-fit:cover;border-radius:14px}
.doc-intro figcaption{font-size:12.5px;color:var(--mist);margin-top:8px}
.doc-block{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-panel);
  padding:32px 32px 22px;box-shadow:var(--shadow-sm);margin-bottom:26px;
  transition:box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.doc-block:hover{border-color:#D6D9D0;box-shadow:0 18px 44px rgba(11,12,14,.09)}
.doc-head{display:flex;align-items:baseline;gap:16px;margin-bottom:18px}
.doc-num{
  font-size:34px;font-weight:800;letter-spacing:-.05em;color:var(--line);line-height:1;
}
.doc-head h2{font-size:23px;line-height:1.3}
.doc-block>p{font-size:16px;color:var(--mist);margin-bottom:18px}
.doc-block ul{margin-bottom:18px}
.doc-block ul li{font-size:15.5px;color:var(--graphite)}
.doc-block ul li strong{color:var(--ink)}
.term-list{list-style:none;padding:0;margin:0 0 18px}
.term-list li{
  display:flex;gap:14px;padding:12px 0;border-bottom:1px dashed var(--line);margin:0;
}
.term-list li:last-child{border-bottom:0}
.term-list .term{min-width:132px;font-weight:700;color:var(--ink);font-size:15px}
.term-list .desc{font-size:15px;color:var(--mist);line-height:1.75}
.doc-note{
  display:flex;gap:12px;align-items:flex-start;
  background:#F6F6F2;border-left:3px solid var(--lime);
  border-radius:0 12px 12px 0;padding:14px 18px;margin:0 0 18px;
}
.doc-note i{color:#8ab000;margin-top:4px}
.doc-note p{margin:0;font-size:14.5px;color:var(--graphite);line-height:1.75}

/* Accordion */
.acc{border-top:1px solid var(--line)}
.acc-item{border-bottom:1px solid var(--line)}
.acc-btn{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;cursor:pointer;text-align:left;
  padding:16px 10px 16px 0;font-size:17px;font-weight:700;color:var(--ink);
  transition:background .18s var(--ease),padding-left .18s var(--ease);
}
.acc-btn:hover{background:#F1F2ED;padding-left:12px}
.acc-btn .acc-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:8px;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;color:var(--graphite);background:var(--white);
}
.acc-panel{display:none;padding:2px 10px 20px 0}
.acc-panel.is-open{display:block}
.acc-panel p{font-size:15.5px;color:var(--mist);margin-bottom:12px}
.acc-panel p:last-child{margin-bottom:0}

/* Update timeline */
.update-list{list-style:none;padding:0;margin:0}
.update-list li{
  position:relative;padding:0 0 26px 30px;border-left:1px solid var(--line);margin:0;
}
.update-list li:last-child{border-left-color:transparent;padding-bottom:0}
.update-list li::before{
  content:"";position:absolute;left:-5px;top:8px;width:9px;height:9px;border-radius:50%;
  background:var(--lime);border:2px solid var(--white);box-shadow:0 0 0 1px var(--line);
}
.update-list .u-date{font-size:13px;color:var(--mist);font-weight:700;letter-spacing:.04em}
.update-list .u-title{font-size:16px;font-weight:700;color:var(--ink);margin:4px 0 4px}
.update-list .u-desc{font-size:14.5px;color:var(--mist);margin:0}

/* FAQ */
.faq-wrap{max-width:860px}
.faq-item{
  background:var(--white);border:1px solid var(--line);border-radius:14px;
  margin-bottom:12px;overflow:hidden;transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.faq-item:hover{border-color:#D6D9D0;box-shadow:var(--shadow-sm)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:transparent;border:0;cursor:pointer;text-align:left;
  padding:20px 22px;font-size:18px;font-weight:700;color:var(--ink);
}
.faq-q .faq-sign{
  flex-shrink:0;width:28px;height:28px;border-radius:50%;background:var(--bg);
  display:inline-flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;
}
.faq-a{display:none;padding:0 22px 22px;border-left:3px solid var(--lime);margin-left:22px}
.faq-a.is-open{display:block}
.faq-a p{font-size:16px;color:var(--mist);margin:0;line-height:1.8}

/* CTA */
.cta-band{
  background:var(--ink);border-radius:26px;padding:64px 56px;color:var(--white);
  display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(closest-side,rgba(200,255,61,.22),transparent);pointer-events:none;
}
.cta-band h2{color:var(--white);font-size:clamp(26px,3vw,38px);line-height:1.15;letter-spacing:-.03em}
.cta-band p{color:#C3C7BE;margin:14px 0 0;font-size:16px;max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1}

/* Footer */
.site-footer{background:var(--ink);color:#D7DAD2;padding:72px 0 32px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px;font-size:19px;font-weight:800;color:var(--white);margin-bottom:16px}
.footer-brand .brand-mark{background:var(--lime);color:var(--ink)}
.footer-desc{font-size:14.5px;color:#A9AEA5;line-height:1.8;max-width:340px;margin:0}
.footer-title{font-size:14px;font-weight:800;color:var(--white);letter-spacing:.06em;margin-bottom:16px}
.footer-list,.footer-contact{list-style:none;padding:0;margin:0}
.footer-list li,.footer-contact li{margin-bottom:11px;font-size:14.5px;color:#A9AEA5}
.footer-list a{color:#D7DAD2}
.footer-list a:hover{color:var(--lime)}
.footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  margin-top:56px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13.5px;color:#8B9089;
}

/* reveal */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ============ Responsive ============ */
@media (max-width:1100px){
  .container{padding:0 32px}
  .doc-wrap{grid-template-columns:1fr;gap:32px}
  .doc-toc{position:static;top:auto}
  .doc-toc-list{display:grid;grid-template-columns:repeat(2,1fr);gap:4px}
  .doc-main{max-width:none}
}
@media (max-width:1023px){
  .main-nav{
    position:fixed;left:0;right:0;top:72px;z-index:55;
    flex-direction:column;align-items:stretch;gap:2px;
    background:var(--white);border-bottom:1px solid var(--line);
    padding:12px 24px 26px;box-shadow:0 20px 40px rgba(11,12,14,.12);
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s;
  }
  .main-nav.is-open{opacity:1;visibility:visible;transform:none}
  .nav-link{padding:14px 12px;font-size:16px}
  .nav-link.is-active::after{left:12px;right:auto;width:22px}
  .nav-toggle{display:flex}
  .search-form{display:none}
  .section{padding:76px 0}
  .cta-band{grid-template-columns:1fr;padding:48px 36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 20px}
  .header-inner{min-height:64px;gap:12px}
  .brand-text{font-size:17px}
  .brand-mark{width:32px;height:32px;font-size:17px;border-radius:9px}
  .main-nav{top:64px}
  .btn-sm{padding:0 14px;font-size:13.5px}
  .rule-hero{padding:56px 0 52px}
  .rule-hero .hero-sub{font-size:16px}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:20px;margin-top:32px}
  .doc-intro{padding:24px 20px}
  .doc-intro .doc-intro-top{flex-direction:column}
  .doc-intro figure{width:100%}
  .doc-intro figure img{height:190px}
  .doc-block{padding:24px 20px 16px;border-radius:18px}
  .doc-head h2{font-size:20px}
  .doc-num{font-size:26px}
  .doc-toc-list{grid-template-columns:1fr}
  .term-list li{flex-direction:column;gap:4px}
  .term-list .term{min-width:0}
  .faq-q{font-size:16.5px;padding:16px 18px}
  .faq-a{margin-left:18px;padding:0 18px 18px}
  .cta-band{padding:40px 24px;border-radius:20px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{margin-top:36px;font-size:12.5px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category5 */
:root{
  --ink:#0B0C0E;
  --lime:#C8FF3D;
  --graphite:#22262B;
  --fog:#6C7278;
  --line:#E4E6DF;
  --bg:#F6F6F2;
  --white:#FFFFFF;
  --done:#00D6A3;
  --warn:#FF6A3D;
  --idle:#D7DAD2;
  --radius-btn:12px;
  --radius-card:16px;
  --radius-panel:22px;
  --shadow-sm:0 12px 32px rgba(11,12,14,.06);
  --shadow-lg:0 24px 64px rgba(11,12,14,.12);
  --container:1240px;
  --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;
  background:var(--bg);
  color:var(--graphite);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:12px;}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--ink);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:750;letter-spacing:-.02em;}
p{margin:0;}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 40px;
}
.section{padding:104px 0;}
.section--tight{padding:80px 0;}
.section--dark{background:var(--ink);color:#fff;}
.section--dark h2,.section--dark h3{color:#fff;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  letter-spacing:.14em;
  color:var(--fog);
  text-transform:uppercase;
  margin-bottom:18px;
}
.eyebrow::before{
  content:"";
  width:26px;height:2px;background:var(--lime);display:inline-block;
}
.section-head{max-width:820px;margin-bottom:56px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-title{font-size:clamp(28px,3.5vw,44px);line-height:1.15;}
.section-desc{margin-top:18px;font-size:16.5px;color:var(--fog);}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--white);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 30px rgba(11,12,14,.08);}
.header-inner{
  display:flex;align-items:center;gap:28px;
  min-height:72px;
}
.brand{display:inline-flex;align-items:center;gap:11px;font-weight:800;color:var(--ink);}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:var(--ink);color:var(--lime);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:800;letter-spacing:-.02em;
}
.brand-text{font-size:18px;letter-spacing:-.01em;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-link{
  position:relative;
  padding:9px 14px;border-radius:10px;
  font-size:15px;color:var(--graphite);
  transition:background .18s var(--ease),color .18s var(--ease);
}
.nav-link:hover{background:#F1F2ED;color:var(--ink);}
.nav-link.is-active{color:var(--ink);font-weight:700;}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--lime);border-radius:2px;
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:14px;}
.search-form{
  display:flex;align-items:center;gap:9px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:999px;
  height:42px;padding:0 16px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.search-form i{font-size:13px;color:var(--fog);}
.search-form input{
  border:0;background:transparent;outline:none;
  width:190px;font-size:14.5px;
}
.search-form input::placeholder{color:#9AA09A;}
.search-form:focus-within{
  border-color:var(--lime);
  box-shadow:0 0 0 4px rgba(200,255,61,.32);
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:50px;padding:0 26px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:15.5px;font-weight:700;
  cursor:pointer;
  transition:background .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease),transform .16s var(--ease);
}
.btn i{transition:transform .16s var(--ease);}
.btn:hover i{transform:translateX(4px);}
.btn-primary{background:var(--lime);color:var(--ink);}
.btn-primary:hover{background:var(--ink);color:#fff;}
.btn-outline{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-outline:hover{background:var(--ink);color:#fff;}
.btn-light{background:#fff;color:var(--ink);}
.btn-light:hover{background:var(--lime);color:var(--ink);}
.btn-sm{min-height:42px;padding:0 20px;font-size:14.5px;}
.nav-toggle{
  display:none;
  flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;padding:0;
  background:transparent;border:1px solid var(--line);border-radius:12px;
  cursor:pointer;
}
.nav-toggle span{display:block;height:2px;background:var(--ink);margin:0 auto;width:18px;border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease);}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.nav-backdrop{
  display:none;position:fixed;inset:0;background:rgba(11,12,14,.45);z-index:55;
}
.nav-backdrop.is-open{display:block;}

/* ---------- hero ---------- */
.hero-help{
  position:relative;
  min-height:42vh;
  display:flex;align-items:flex-end;
  background:var(--ink);
  overflow:hidden;
}
.hero-help .hero-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  opacity:.42;
}
.hero-help::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,12,14,.55) 0%,rgba(11,12,14,.86) 100%);
}
.hero-inner{
  position:relative;z-index:2;
  width:100%;
  padding:96px 0 56px;
}
.hero-help h1{
  color:#fff;
  font-size:clamp(40px,6vw,72px);
  line-height:1.03;
  letter-spacing:-.04em;
  font-weight:800;
  max-width:900px;
}
.hero-sub{
  margin-top:20px;max-width:660px;
  font-size:18px;color:rgba(255,255,255,.82);
}
.hero-search{
  margin-top:34px;max-width:560px;
  display:flex;align-items:center;gap:10px;
  background:#fff;border-radius:999px;
  padding:6px 8px 6px 20px;
}
.hero-search i{color:var(--fog);}
.hero-search input{
  flex:1;border:0;background:transparent;outline:none;
  height:44px;font-size:15px;
}
.hero-search .btn{min-height:44px;padding:0 22px;font-size:15px;border-radius:999px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
  margin-top:46px;padding-top:28px;
  border-top:1px solid rgba(255,255,255,.16);
}
.hero-stats .stat-num{
  font-size:26px;font-weight:800;color:var(--lime);letter-spacing:-.02em;
}
.hero-stats .stat-label{
  margin-top:6px;font-size:13.5px;color:rgba(255,255,255,.7);
}

/* ---------- help grid ---------- */
.help-grid{
  display:grid;
  grid-template-columns:repeat(6,1fr);
  gap:22px;
}
.help-card{
  grid-column:span 2;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:28px 26px;
  box-shadow:var(--shadow-sm);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  display:flex;flex-direction:column;
}
.help-card:nth-child(1){grid-column:span 3;}
.help-card:nth-child(2){grid-column:span 3;}
.help-card:hover{transform:translateY(-4px);border-color:var(--ink);box-shadow:var(--shadow-lg);}
.help-icon{
  width:44px;height:44px;border-radius:12px;
  background:#F1F2ED;color:var(--ink);
  display:flex;align-items:center;justify-content:center;
  font-size:17px;margin-bottom:20px;
  transition:background .2s var(--ease);
}
.help-card:hover .help-icon{background:var(--lime);}
.help-card h3{font-size:19px;line-height:1.4;}
.help-card p{margin-top:10px;font-size:15px;color:var(--fog);}
.help-link{
  margin-top:auto;padding-top:20px;
  font-size:14px;font-weight:700;color:var(--ink);
  display:inline-flex;align-items:center;gap:8px;
}
.help-link i{transition:transform .16s var(--ease);}
.help-card:hover .help-link i{transform:translateX(4px);}

/* ---------- steps ---------- */
.steps{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  border-top:1px solid var(--line);
}
.step{
  position:relative;
  padding:34px 30px 30px 0;
  border-right:1px dashed var(--line);
}
.step:last-child{border-right:0;padding-right:0;}
.step-num{
  font-size:42px;font-weight:800;line-height:1;
  color:var(--line);letter-spacing:-.04em;
}
.step.is-current .step-num{color:var(--ink);}
.step-dot{
  position:absolute;top:42px;right:-6px;
  width:11px;height:11px;border-radius:50%;
  background:var(--idle);
}
.step.is-current .step-dot{background:var(--lime);box-shadow:0 0 0 5px rgba(200,255,61,.28);}
.step:last-child .step-dot{display:none;}
.step h3{margin-top:16px;font-size:19px;}
.step p{margin-top:10px;font-size:15px;color:var(--fog);}

/* ---------- support split ---------- */
.support-split{
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
}
.support-media{
  position:relative;border-radius:var(--radius-panel);overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
}
.support-media img{width:100%;height:420px;object-fit:cover;border-radius:0;transition:transform .5s var(--ease);}
.support-media:hover img{transform:scale(1.03);}
.support-badge{
  position:absolute;left:22px;bottom:22px;
  background:var(--lime);color:var(--ink);
  border-radius:999px;padding:9px 18px;
  font-size:13.5px;font-weight:700;
}
.support-list{margin-top:26px;border-top:1px solid var(--line);}
.support-list li{
  display:flex;gap:16px;align-items:flex-start;
  padding:18px 0;border-bottom:1px solid var(--line);
}
.support-list .mark{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;
  background:#F1F2ED;color:var(--ink);
  display:flex;align-items:center;justify-content:center;font-size:12px;margin-top:3px;
}
.support-list strong{display:block;font-size:16px;color:var(--ink);font-weight:700;}
.support-list span{font-size:14.5px;color:var(--fog);}

.time-chips{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.chip{
  border:1px solid var(--line);background:#fff;
  border-radius:999px;padding:8px 16px;
  font-size:13.5px;color:var(--graphite);
}
.chip--solid{background:var(--lime);border-color:var(--lime);color:var(--ink);font-weight:700;}

/* ---------- faq ---------- */
.faq-wrap{max-width:900px;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item.is-open{border-color:var(--ink);box-shadow:var(--shadow-sm);}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 26px;
  background:transparent;border:0;text-align:left;cursor:pointer;
  font-size:18px;font-weight:700;color:var(--ink);
  transition:background .18s var(--ease);
}
.faq-q:hover{background:#F1F2ED;}
.faq-sign{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;line-height:1;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.faq-item.is-open .faq-sign{background:var(--lime);border-color:var(--lime);color:var(--ink);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .18s var(--ease);
}
.faq-a-inner{
  padding:0 26px 26px 26px;
  border-left:3px solid transparent;
}
.faq-item.is-open .faq-a-inner{border-left:3px solid var(--lime);}
.faq-a-inner p{font-size:16px;color:var(--graphite);}
.faq-a-inner p + p{margin-top:12px;color:var(--fog);font-size:15px;}

/* ---------- form ---------- */
.form-panel{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-panel);
  padding:44px;
  box-shadow:var(--shadow-sm);
}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.form-field{display:flex;flex-direction:column;gap:9px;}
.form-field.full{grid-column:1 / -1;}
.form-field label{font-size:14px;font-weight:700;color:var(--ink);}
.form-field .hint{font-size:13px;color:var(--fog);font-weight:400;}
.form-field input,.form-field select,.form-field textarea{
  width:100%;
  background:#fff;
  border:1px solid #D9DCD3;
  border-radius:10px;
  padding:0 16px;height:48px;
  font-size:15px;outline:none;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.form-field textarea{height:auto;padding:14px 16px;min-height:140px;resize:vertical;line-height:1.7;}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  border-color:var(--lime);
  box-shadow:0 0 0 4px rgba(200,255,61,.28);
}
.form-actions{
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  margin-top:28px;padding-top:26px;border-top:1px solid var(--line);
}
.form-note{font-size:13.5px;color:var(--fog);}
.alert{
  border-radius:12px;padding:14px 18px;font-size:15px;
  margin-bottom:24px;border:1px solid transparent;
}
.alert-ok{background:rgba(0,214,163,.12);border-color:rgba(0,214,163,.4);color:#0A5C48;}
.alert-warn{background:rgba(255,106,61,.1);border-color:rgba(255,106,61,.4);color:#A03B18;}

/* ---------- cta ---------- */
.cta-band{
  background:var(--ink);color:#fff;
  border-radius:26px;
  padding:70px 60px;
  display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center;
}
.cta-band h2{color:#fff;font-size:clamp(26px,3vw,38px);line-height:1.2;}
.cta-band p{margin-top:16px;color:rgba(255,255,255,.72);font-size:16px;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;justify-content:flex-end;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#fff;padding:80px 0 34px;margin-top:0;}
.site-footer a{color:rgba(255,255,255,.72);}
.site-footer a:hover{color:var(--lime);}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:44px;
  padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.14);
}
.footer-brand{display:flex;align-items:center;gap:11px;font-size:18px;font-weight:800;color:#fff;}
.footer-brand .brand-mark{background:var(--lime);color:var(--ink);}
.footer-desc{margin-top:18px;font-size:14.5px;color:rgba(255,255,255,.62);max-width:340px;}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;}
.footer-list li{margin-bottom:12px;font-size:14.5px;}
.footer-contact li{margin-bottom:12px;font-size:14px;color:rgba(255,255,255,.62);}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:26px;font-size:13.5px;color:rgba(255,255,255,.5);
}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  .container{padding:0 28px;}
  .help-card,.help-card:nth-child(1),.help-card:nth-child(2){grid-column:span 3;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .step{border-right:0;border-bottom:1px dashed var(--line);padding:30px 24px 26px 0;}
  .step-dot{display:none;}
  .support-split{grid-template-columns:1fr;gap:36px;}
  .cta-band{grid-template-columns:1fr;padding:52px 40px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:1023px){
  .main-nav{
    position:fixed;top:0;right:0;z-index:70;
    width:300px;height:100vh;
    background:#fff;
    flex-direction:column;align-items:stretch;gap:6px;
    padding:100px 24px 40px;
    margin-left:0;
    box-shadow:-20px 0 60px rgba(11,12,14,.18);
    transform:translateX(105%);
    transition:transform .28s var(--ease);
    overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0);}
  .nav-link{padding:14px 16px;font-size:16px;border-radius:12px;}
  .nav-link.is-active::after{display:none;}
  .nav-link.is-active{background:#F1F2ED;}
  .search-form{display:none;}
  .nav-toggle{display:flex;}
}
@media (max-width:840px){
  .section{padding:72px 0;}
  .section--tight{padding:64px 0;}
  .hero-inner{padding:80px 0 44px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:20px 18px;}
  .help-grid{grid-template-columns:repeat(2,1fr);}
  .help-card,.help-card:nth-child(1),.help-card:nth-child(2){grid-column:span 1;}
  .form-panel{padding:30px 22px;}
  .form-grid{grid-template-columns:1fr;}
  .cta-band{padding:44px 26px;border-radius:20px;}
}
@media (max-width:520px){
  .container{padding:0 20px;}
  body{font-size:16px;}
  .brand-text{font-size:16.5px;}
  .header-inner{gap:12px;}
  .header-actions{gap:10px;}
  .btn-sm{padding:0 14px;font-size:14px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .hero-search{flex-direction:column;align-items:stretch;border-radius:16px;padding:8px;}
  .hero-search input{height:40px;padding:0 12px;}
  .hero-search .btn{width:100%;}
  .help-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .step{padding:26px 0 24px;}
  .support-media img{height:280px;}
  .faq-q{padding:18px 18px;font-size:16.5px;}
  .faq-a-inner{padding:0 18px 22px 18px;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-actions .btn{width:100%;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  .reveal{opacity:1;transform:none;}
}