/* roulang page: index */
:root{
  --brand-500:#FF7A2F;
  --brand-600:#E85A12;
  --brand-100:#FFE6D5;
  --brand-50:#FFF3EA;
  --teal-500:#12C6A6;
  --teal-600:#0BA48A;
  --teal-100:#E4F8F4;
  --gold-500:#FFC53D;
  --gold-600:#E8A200;
  --gold-100:#FFF6E0;
  --ink:#14161A;
  --text:#3A3E46;
  --muted:#6C7280;
  --line:#ECE6E0;
  --bg:#FFFBF7;
  --card:#FFFFFF;
  --dark:#191B21;
  --grad-main:linear-gradient(120deg,#FF8A3D,#FF4D6D);
  --grad-reward:linear-gradient(120deg,#FFC53D,#FF8A3D);
  --grad-progress:linear-gradient(90deg,#12C6A6,#5FE3B0);
  --r-xl:24px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,22,26,.04),0 6px 18px rgba(255,122,47,.08);
  --sh-2:0 18px 40px -18px rgba(255,77,109,.35);
  --container:1200px;
  --ease:200ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
h1,h2,h3,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:96px 0;}
.section-head{max-width:660px;margin-bottom:40px;}
.section-head--row{max-width:none;display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.section-title{font-size:clamp(24px,3vw,34px);font-weight:700;color:var(--ink);line-height:1.25;letter-spacing:-.01em;margin-bottom:12px;}
.section-desc{color:var(--muted);font-size:16px;max-width:620px;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand-600);padding:8px 16px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;transition:border-color var(--ease),transform var(--ease),box-shadow var(--ease);}
.link-more:hover{border-color:var(--brand-500);transform:translateY(-2px);box-shadow:var(--sh-1);}
.num{font-variant-numeric:tabular-nums;}

/* ============ header ============ */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,251,247,.86);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:background var(--ease),border-color var(--ease),box-shadow var(--ease);}
.site-header.is-stuck{background:rgba(255,251,247,.95);border-bottom-color:var(--line);box-shadow:0 8px 28px -22px rgba(20,22,26,.55);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:74px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--grad-main);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;box-shadow:var(--sh-2);}
.brand-text{font-size:17px;letter-spacing:-.01em;color:var(--ink);white-space:nowrap;}
.brand-text strong{font-weight:800;}
.brand-text span{font-weight:400;color:var(--text);}
.nav-desktop{display:flex;align-items:center;gap:2px;background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);padding:6px;box-shadow:var(--sh-1);}
.nav-link{position:relative;display:inline-flex;align-items:center;height:38px;padding:0 16px;border-radius:var(--r-pill);font-size:15px;font-weight:500;color:var(--text);transition:color var(--ease),background var(--ease);}
.nav-link:hover{color:var(--brand-600);background:var(--brand-50);}
.nav-link.is-active{background:var(--brand-100);color:var(--brand-600);font-weight:600;}
.nav-link.is-active::after{content:"";position:absolute;left:50%;bottom:3px;width:5px;height:5px;border-radius:50%;background:var(--brand-500);transform:translateX(-50%);}
.header-cta{display:flex;align-items:center;gap:12px;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:50px;padding:0 26px;border-radius:var(--r-pill);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease),background var(--ease),color var(--ease);}
.btn-primary{background:var(--grad-main);color:#fff;box-shadow:var(--sh-2);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 46px -18px rgba(255,77,109,.5);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-2px);box-shadow:var(--sh-1);}
.btn-ghost:active{transform:translateY(1px);}
.btn-light{background:transparent;border-color:rgba(255,255,255,.65);color:#fff;}
.btn-light:hover{background:rgba(255,255,255,.14);transform:translateY(-2px);}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}
.nav-toggle{display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* drawer */
.drawer{position:fixed;inset:0;z-index:90;opacity:0;pointer-events:none;transition:opacity .25s ease;}
.drawer.is-open{opacity:1;pointer-events:auto;}
.drawer-backdrop{position:absolute;inset:0;background:rgba(20,22,26,.45);}
.drawer-panel{position:absolute;top:0;right:0;height:100%;width:min(86vw,340px);background:#fff;display:flex;flex-direction:column;gap:6px;padding:22px 22px calc(26px + env(safe-area-inset-bottom));transform:translateX(100%);transition:transform .3s ease;overflow-y:auto;}
.drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;}
.drawer-close{width:44px;height:44px;border-radius:14px;border:1px solid var(--line);background:#fff;font-size:20px;line-height:1;color:var(--ink);}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-link{display:flex;align-items:center;justify-content:space-between;min-height:52px;padding:0 4px;border-bottom:1px solid var(--line);font-size:17px;font-weight:600;color:var(--ink);}
.drawer-link.is-active{color:var(--brand-600);}
.drawer-link small{font-size:12px;font-weight:500;color:var(--muted);}
.drawer-foot{margin-top:auto;padding-top:20px;}

/* ============ hero ============ */
.hero{position:relative;overflow:hidden;padding:64px 0 72px;}
.hero::before{content:"";position:absolute;top:-320px;left:-260px;width:900px;height:760px;background:radial-gradient(50% 50% at 30% 30%,rgba(255,138,61,.30),transparent 70%),radial-gradient(42% 42% at 62% 20%,rgba(255,77,109,.18),transparent 72%);pointer-events:none;}
.hero-grid{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:52px;align-items:center;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--line);font-size:13px;font-weight:500;letter-spacing:.02em;color:var(--brand-600);box-shadow:var(--sh-1);}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--brand-500);display:block;}
.hero h1{font-size:clamp(30px,4.4vw,50px);font-weight:800;line-height:1.18;letter-spacing:-.02em;color:var(--ink);margin:22px 0 18px;}
.hero-sub{font-size:17px;color:var(--text);max-width:560px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px;}
.stat{display:flex;flex-direction:column;gap:2px;padding:14px 20px;border-radius:var(--r-md);background:#fff;border:1px solid var(--line);box-shadow:var(--sh-1);min-width:132px;}
.stat b{font-size:24px;font-weight:700;line-height:1.2;color:var(--ink);font-variant-numeric:tabular-nums;}
.stat span{font-size:13px;font-weight:500;color:var(--muted);letter-spacing:.02em;}
.stat--brand b{color:var(--brand-600);}
.stat--teal b{color:var(--teal-600);}
.stat--gold b{color:var(--gold-600);}
.hero-media{position:relative;}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-xl);box-shadow:0 30px 60px -32px rgba(20,22,26,.5);}
.hero-media figcaption{position:absolute;left:18px;bottom:18px;background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:var(--r-pill);padding:8px 16px;font-size:13px;font-weight:500;color:var(--ink);}

/* ============ stat band ============ */
.stat-band{padding-bottom:8px;}
.stat-band-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:30px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.band-item b{display:block;font-size:28px;font-weight:700;color:var(--ink);line-height:1.2;font-variant-numeric:tabular-nums;}
.band-item span{display:block;margin-top:6px;font-size:13px;font-weight:500;color:var(--muted);letter-spacing:.02em;}
.band-item:nth-child(2) b{color:var(--teal-600);}
.band-item:nth-child(3) b{color:var(--gold-600);}
.band-item:nth-child(4) b{color:var(--brand-600);}

/* ============ steps ============ */
.steps{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.steps::before{content:"";position:absolute;top:32px;left:8%;right:8%;height:2px;background:linear-gradient(90deg,var(--brand-100),var(--brand-500),var(--teal-100));}
.step{position:relative;z-index:1;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 22px 24px;box-shadow:var(--sh-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);}
.step:hover{transform:translateY(-4px);border-color:var(--brand-500);box-shadow:var(--sh-2);}
.step-num{width:40px;height:40px;border-radius:50%;background:var(--brand-50);border:1px solid var(--brand-100);color:var(--brand-600);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;font-variant-numeric:tabular-nums;}
.step h3{font-size:19px;font-weight:600;color:var(--ink);margin:18px 0 8px;}
.step p{font-size:14.5px;color:var(--muted);margin:0;}

/* ============ rewards ============ */
.rewards{position:relative;overflow:hidden;background:var(--dark);color:#fff;padding:96px 0;}
.rewards::before{content:"";position:absolute;top:-260px;right:-200px;width:760px;height:640px;background:radial-gradient(48% 48% at 60% 40%,rgba(255,197,61,.24),transparent 72%);pointer-events:none;}
.rewards .container{position:relative;}
.rewards .section-title{color:#fff;}
.rewards .section-desc{color:rgba(255,255,255,.68);}
.reward-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.reward-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-lg);overflow:hidden;transition:transform var(--ease),border-color var(--ease),background var(--ease);}
.reward-card:hover{transform:translateY(-4px);border-color:rgba(255,197,61,.55);background:rgba(255,255,255,.08);}
.reward-card img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.reward-body{padding:20px 20px 22px;}
.reward-tag{display:inline-flex;padding:4px 12px;border-radius:var(--r-pill);font-size:12px;font-weight:600;background:rgba(255,197,61,.16);color:var(--gold-500);border:1px solid rgba(255,197,61,.35);}
.reward-card h3{font-size:18px;font-weight:600;color:#fff;margin:14px 0 8px;}
.reward-card p{font-size:14px;color:rgba(255,255,255,.66);margin:0;}
.reward-value{margin-top:16px;padding-top:14px;border-top:1px dashed rgba(255,255,255,.18);font-size:15px;font-weight:700;color:var(--gold-500);font-variant-numeric:tabular-nums;}

/* ============ progress ============ */
.progress-block{background:var(--card);border:1px solid var(--line);border-radius:var(--r-xl);padding:36px 32px;box-shadow:var(--sh-1);}
.progress-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:22px;}
.progress-head b{font-size:30px;font-weight:700;color:var(--brand-600);font-variant-numeric:tabular-nums;line-height:1;}
.progress-head span{font-size:14px;color:var(--muted);}
.progress-bar{height:10px;border-radius:var(--r-pill);background:var(--brand-50);overflow:hidden;}
.progress-fill{display:block;height:100%;width:62%;border-radius:var(--r-pill);background:var(--grad-progress);}
.progress-nodes{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:18px;}
.progress-node{text-align:center;}
.dot{display:inline-block;width:13px;height:13px;border-radius:50%;background:#fff;border:2px solid var(--line);}
.progress-node.is-done .dot{background:var(--teal-500);border-color:var(--teal-500);}
.progress-node.is-current .dot{background:var(--brand-500);border-color:var(--brand-500);animation:pulse 1.8s ease-out 1;}
.node-label{display:block;margin-top:10px;font-size:13px;color:var(--muted);}
.progress-node.is-current .node-label{color:var(--brand-600);font-weight:600;}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(255,122,47,.45);}70%{box-shadow:0 0 0 12px rgba(255,122,47,0);}100%{box-shadow:0 0 0 0 rgba(255,122,47,0);}}
.checklist{display:grid;gap:12px;margin-top:32px;}
.check-item{display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:16px 18px;font-size:15px;}
.check-item i{flex:0 0 auto;width:22px;height:22px;border-radius:50%;background:var(--teal-100);color:var(--teal-600);display:flex;align-items:center;justify-content:center;font-size:12px;font-style:normal;font-weight:700;margin-top:2px;}
.check-item strong{color:var(--ink);font-weight:600;}
.check-item span{display:block;font-size:13.5px;color:var(--muted);}

/* ============ news ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{position:relative;display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);}
.news-card::after{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-main);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;}
.news-card:hover{transform:translateY(-4px);border-color:var(--brand-500);box-shadow:var(--sh-2);}
.news-card:hover::after{transform:scaleX(1);}
.news-cover{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--brand-50);}
.news-body{display:flex;flex-direction:column;gap:10px;padding:20px 22px 22px;flex:1;}
.tag{display:inline-flex;align-self:flex-start;padding:4px 12px;border-radius:var(--r-pill);font-size:12px;font-weight:600;background:var(--brand-100);color:var(--brand-600);letter-spacing:.02em;}
.news-title{font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-title a:hover{color:var(--brand-600);}
.news-excerpt{font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);font-size:13px;color:var(--muted);}
.news-more{font-weight:600;color:var(--brand-600);}
.news-more:hover{color:var(--brand-500);}
.empty-state{grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:14px;padding:60px 24px;background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg);text-align:center;}
.empty-icon{width:56px;height:56px;border-radius:50%;background:var(--brand-50);border:1px solid var(--brand-100);display:flex;align-items:center;justify-content:center;font-size:22px;}
.empty-state p{color:var(--muted);font-size:15px;}

/* ============ faq ============ */
.faq-list{display:grid;gap:14px;max-width:900px;}
.faq-item{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease);}
.faq-item:hover{border-color:var(--brand-100);box-shadow:var(--sh-1);}
.faq-item.is-open{border-color:var(--brand-500);}
.faq-item.is-open::before{content:"";position:absolute;top:0;left:0;bottom:0;width:3px;background:var(--grad-main);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 22px;text-align:left;font-size:16px;font-weight:600;color:var(--ink);}
.faq-icon{flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--brand-50);color:var(--brand-600);display:flex;align-items:center;justify-content:center;font-size:13px;transition:transform .25s ease;}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:var(--brand-500);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a-inner{padding:0 22px 22px;font-size:15px;color:var(--text);}

/* ============ CTA ============ */
.cta-band{position:relative;overflow:hidden;background:var(--grad-main);border-radius:28px;padding:56px 48px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:36px;}
.cta-band::after{content:"";position:absolute;top:-120px;right:-80px;width:420px;height:420px;background:radial-gradient(50% 50% at 50% 50%,rgba(255,255,255,.26),transparent 70%);pointer-events:none;}
.cta-copy{position:relative;max-width:620px;}
.cta-copy h2{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.25;margin-bottom:12px;}
.cta-copy p{font-size:16px;color:rgba(255,255,255,.9);}
.cta-actions{position:relative;display:flex;gap:14px;flex-wrap:wrap;}
.cta-actions .btn-ghost{border-color:transparent;}

/* ============ footer ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.7);margin-top:96px;padding-top:64px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{border-radius:12px;}
.footer-brand strong{color:#fff;font-size:17px;font-weight:800;}
.footer-brand span{color:rgba(255,255,255,.72);font-size:17px;}
.footer-about{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:320px;}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-list{display:grid;gap:10px;}
.footer-list a{font-size:14px;color:rgba(255,255,255,.68);transition:color var(--ease),padding-left var(--ease);}
.footer-list a:hover{color:var(--brand-500);padding-left:4px;}
.footer-contact{display:grid;gap:10px;font-size:14px;color:rgba(255,255,255,.68);}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:48px;padding:22px 0;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:rgba(255,255,255,.55);}

/* ============ reveal ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .6s ease;}
.reveal.is-visible{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
  .progress-node.is-current .dot{animation:none;}
}

/* ============ responsive ============ */
@media (max-width:1024px){
  .nav-desktop{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-cta .btn-primary{display:none;}
  .hero{padding:44px 0 56px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-media{order:-1;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .steps::before{display:none;}
  .reward-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .stat-band-inner{grid-template-columns:repeat(2,1fr);gap:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:44px 34px;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .rewards{padding:56px 0;}
  .header-inner{height:66px;}
  .brand-text{font-size:15px;}
  .brand-mark{width:34px;height:34px;border-radius:10px;font-size:16px;}
  .hero h1{font-size:clamp(28px,7vw,34px);}
  .hero-sub{font-size:16px;}
  .hero-actions .btn{width:100%;}
  .hero-stats{gap:12px;}
  .stat{flex:1 1 calc(50% - 6px);min-width:0;padding:12px 16px;}
  .stat b{font-size:21px;}
  .section-head--row{align-items:flex-start;}
  .progress-block{padding:26px 20px;}
  .progress-nodes{grid-template-columns:repeat(2,1fr);gap:18px;}
  .news-grid{grid-template-columns:1fr;}
  .reward-grid{grid-template-columns:1fr;}
  .cta-band{border-radius:22px;padding:36px 24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{padding-top:48px;margin-top:56px;}
}
@media (max-width:520px){
  .steps{grid-template-columns:1fr;}
  .stat-band-inner{grid-template-columns:1fr;gap:18px;padding:24px 0;}
  .band-item b{font-size:24px;}
  .faq-q{font-size:15px;padding:18px 18px;}
  .faq-a-inner{padding:0 18px 18px;}
  .news-body{padding:18px;}
}

/* roulang page: article */
:root{
  --brand-50:#FFF3EA;
  --brand-100:#FFE6D5;
  --brand-500:#FF7A2F;
  --brand-600:#E85A12;
  --teal-100:#E4F8F4;
  --teal-500:#12C6A6;
  --teal-600:#0BA48A;
  --gold-100:#FFF6E0;
  --gold-500:#FFC53D;
  --gold-600:#E8A200;
  --ink:#14161A;
  --text:#3A3E46;
  --muted:#6C7280;
  --line:#ECE6E0;
  --bg:#FFFBF7;
  --card:#FFFFFF;
  --dark:#191B21;
  --grad-main:linear-gradient(120deg,#FF8A3D,#FF4D6D);
  --grad-reward:linear-gradient(120deg,#FFC53D,#FF8A3D);
  --grad-progress:linear-gradient(90deg,#12C6A6,#5FE3B0);
  --radius-lg:24px;
  --radius-md:20px;
  --radius-sm:16px;
  --radius-xs:14px;
  --shadow-1:0 1px 2px rgba(20,22,26,.04),0 6px 18px rgba(255,122,47,.08);
  --shadow-2:0 18px 40px -18px rgba(255,77,109,.35);
  --section-gap:96px;
  --font:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans 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:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:var(--section-gap) 0}
.section-tight{padding:64px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--brand-600);background:var(--brand-100);
  padding:6px 14px;border-radius:999px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-500)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head h2{font-size:34px;font-weight:700;color:var(--ink);letter-spacing:-.01em;line-height:1.25}
.section-head p{margin-top:10px;font-size:16px;color:var(--muted);max-width:640px}
.link-more{font-size:15px;font-weight:600;color:var(--brand-600);white-space:nowrap;display:inline-flex;align-items:center;gap:6px;transition:gap .2s ease}
.link-more:hover{gap:10px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,251,247,.86);
  backdrop-filter:saturate(160%) blur(12px);
  -webkit-backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease, box-shadow .25s ease, background .25s ease;
}
.site-header.is-scrolled{
  background:rgba(255,251,247,.94);
  border-bottom-color:var(--line);
  box-shadow:0 1px 2px rgba(20,22,26,.04);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:76px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex-shrink:0;
  background:var(--grad-main);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:18px;
  box-shadow:var(--shadow-2);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:16px;font-weight:800;color:var(--ink);letter-spacing:-.01em}
.brand-text span{font-size:12px;color:var(--muted);letter-spacing:.1em}
.nav-desktop{display:flex;align-items:center;gap:4px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px}
.nav-link{
  position:relative;padding:9px 16px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--text);
  transition:background .2s ease,color .2s ease;
}
.nav-link:hover{background:var(--brand-50);color:var(--brand-600)}
.nav-link.is-active{background:var(--brand-100);color:var(--brand-600);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:3px;width:4px;height:4px;border-radius:50%;
  background:var(--brand-500);transform:translateX(-50%);
}
.header-cta{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:14px;
  border:1px solid var(--line);background:#fff;cursor:pointer;
  align-items:center;justify-content:center;padding:0;
  transition:border-color .2s ease,background .2s ease;
}
.nav-toggle:hover{border-color:var(--brand-500);background:var(--brand-50)}
.nav-toggle span{position:relative;width:18px;height:2px;border-radius:2px;background:var(--ink);display:block}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--ink)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* drawer */
.nav-drawer{
  position:fixed;top:0;right:0;height:100%;width:min(320px,86vw);z-index:90;
  background:#fff;border-left:1px solid var(--line);
  transform:translateX(105%);transition:transform .32s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;padding:22px 22px calc(22px + env(safe-area-inset-bottom));
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.drawer-close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;
  font-size:20px;line-height:1;color:var(--muted);cursor:pointer;transition:color .2s,border-color .2s;
}
.drawer-close:hover{color:var(--brand-600);border-color:var(--brand-500)}
.drawer-nav{display:flex;flex-direction:column;gap:4px}
.drawer-nav a{
  padding:14px 16px;border-radius:14px;font-size:17px;font-weight:600;color:var(--ink);
  transition:background .2s ease,color .2s ease;
}
.drawer-nav a:hover,.drawer-nav a.is-active{background:var(--brand-50);color:var(--brand-600)}
.drawer-cta{margin-top:auto;padding-top:20px}
.drawer-cta .btn{width:100%}
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,22,26,.42);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:999px;
  font-size:16px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{background:var(--grad-main);color:#fff;box-shadow:var(--shadow-2)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 46px -16px rgba(255,77,109,.5)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-outline:hover{transform:translateY(-2px);border-color:var(--brand-500);color:var(--brand-600);box-shadow:var(--shadow-1)}
.btn-outline:active{transform:translateY(1px)}
.btn-sm{height:42px;padding:0 20px;font-size:15px}
.btn-block{width:100%}

/* ---------- breadcrumb ---------- */
.crumb-bar{padding:26px 0 0}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:14px;color:var(--muted)}
.breadcrumb a{
  padding:6px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);
  transition:border-color .2s ease,color .2s ease;
}
.breadcrumb a:hover{border-color:var(--brand-500);color:var(--brand-600)}
.breadcrumb span.sep{color:#C9C2BB}
.breadcrumb .current{color:var(--ink);font-weight:600;max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- article ---------- */
.article-wrap{padding:28px 0 96px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:52px;align-items:start}
.article-head{padding-bottom:26px;border-bottom:1px solid var(--line)}
.cat-chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 16px;border-radius:999px;
  background:var(--brand-100);color:var(--brand-600);
  font-size:13px;font-weight:600;letter-spacing:.04em;
}
.article-head h1{
  margin:18px 0 0;
  font-size:46px;font-weight:800;line-height:1.18;letter-spacing:-.02em;color:var(--ink);
}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:14px;margin-top:22px;font-size:14px;color:var(--muted)}
.meta-divider{width:1px;height:14px;background:var(--line)}
.share-btn{
  margin-left:auto;padding:8px 16px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--text);
  font-size:14px;font-weight:500;cursor:pointer;
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.share-btn:hover{border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-1px)}
.cover-figure{margin:30px 0 0}
.cover-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-lg);border:1px solid var(--line)}
.cover-figure figcaption{margin-top:12px;font-size:13px;color:var(--muted);text-align:center}

.article-body{
  margin-top:38px;
  font-size:17px;line-height:1.9;color:var(--text);
}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;margin:2em 0 .9em;padding-left:18px;
  font-size:27px;font-weight:700;line-height:1.35;color:var(--ink);letter-spacing:-.01em;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;width:4px;height:1em;border-radius:2px;background:var(--brand-500);
}
.article-body h3{margin:1.6em 0 .7em;font-size:21px;font-weight:600;color:var(--ink)}
.article-body a{color:var(--brand-600);border-bottom:1px solid var(--brand-100)}
.article-body a:hover{border-bottom-color:var(--brand-500)}
.article-body ul{margin:0 0 1.4em}
.article-body ul li{position:relative;padding-left:24px;margin-bottom:.6em}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--brand-500);
}
.article-body ol{counter-reset:li;margin:0 0 1.4em}
.article-body ol li{position:relative;padding-left:36px;margin-bottom:.6em;counter-increment:li}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:.28em;
  width:22px;height:22px;border-radius:50%;background:var(--brand-50);color:var(--brand-600);
  font-size:13px;font-weight:700;display:grid;place-items:center;
}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;
  border-left:4px solid var(--brand-500);background:var(--brand-50);
  border-radius:0 14px 14px 0;color:var(--text);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius-sm);margin:1.6em auto}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left}
.article-body th{background:var(--brand-50);color:var(--ink);font-weight:600}
.article-body strong{font-weight:600;color:var(--ink)}

.tag-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:44px;padding-top:26px;border-top:1px solid var(--line)}
.tag{
  padding:7px 16px;border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:14px;color:var(--text);transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.tag:hover{border-color:var(--brand-500);color:var(--brand-600);background:var(--brand-50)}

.empty-state{
  text-align:center;padding:64px 24px;background:#fff;
  border:1px dashed var(--line);border-radius:var(--radius-lg);
}
.empty-state .empty-icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:18px;
  background:var(--brand-50);color:var(--brand-600);display:grid;place-items:center;font-size:24px;font-weight:800;
}
.empty-state .empty-title{font-size:22px;font-weight:700;color:var(--ink);margin-bottom:10px}
.empty-state .empty-desc{font-size:15px;color:var(--muted);max-width:480px;margin:0 auto 24px}

.postnav{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:48px}
.postnav-card{
  display:block;padding:22px;border-radius:var(--radius-md);background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.postnav-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--brand-500)}
.postnav-card .pn-label{font-size:13px;font-weight:600;color:var(--brand-600);letter-spacing:.04em}
.postnav-card .pn-title{margin-top:8px;font-size:17px;font-weight:600;color:var(--ink);line-height:1.5}

.related{margin-top:64px}
.related h2{font-size:26px;font-weight:700;color:var(--ink);margin-bottom:22px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.related-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  box-shadow:var(--shadow-1);position:relative;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.related-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--grad-main);opacity:0;transition:opacity .2s ease;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--brand-500)}
.related-card:hover::before{opacity:1}
.related-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.related-card .rc-body{padding:18px 20px 22px}
.related-card .rc-chip{
  display:inline-block;padding:4px 12px;border-radius:999px;
  background:var(--teal-100);color:var(--teal-600);font-size:12px;font-weight:600;
}
.related-card h3{margin-top:12px;font-size:17px;font-weight:600;color:var(--ink);line-height:1.5}
.related-card p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.7}

.back-entry{
  margin-top:44px;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:26px 28px;border-radius:var(--radius-lg);
  background:var(--brand-50);border:1px solid var(--brand-100);
}
.back-entry p{font-size:15px;color:var(--text)}
.back-entry h3{font-size:19px;font-weight:700;color:var(--ink);margin-bottom:6px}

/* ---------- aside ---------- */
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  box-shadow:var(--shadow-1);padding:22px;margin-bottom:22px;
}
.side-card h3{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:16px;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--brand-500)}
.toc-list a{
  display:block;padding:9px 12px;border-radius:12px;font-size:14px;color:var(--text);
  border-left:2px solid transparent;transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.toc-list a:hover{background:var(--brand-50);color:var(--brand-600);border-left-color:var(--brand-500)}
.hot-list li+li{margin-top:14px;padding-top:14px;border-top:1px solid var(--line)}
.hot-list a{display:block;font-size:15px;font-weight:600;color:var(--ink);line-height:1.55;transition:color .2s ease}
.hot-list a:hover{color:var(--brand-600)}
.hot-list .hot-meta{display:block;margin-top:6px;font-size:13px;color:var(--muted);font-weight:400}
.side-card.dark{background:var(--dark);border-color:transparent}
.side-card.dark h3{color:#fff}
.side-card.dark h3::before{background:var(--gold-500)}
.side-card.dark p{font-size:14px;color:rgba(255,255,255,.72);line-height:1.8}
.side-card.dark .btn{margin-top:16px}
.sticky-side{position:sticky;top:100px}

.back-top{
  position:fixed;right:24px;bottom:28px;z-index:70;
  width:46px;height:46px;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:var(--brand-600);font-size:18px;font-weight:700;cursor:pointer;
  display:grid;place-items:center;box-shadow:var(--shadow-1);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,visibility .25s ease,transform .25s ease,border-color .2s ease;
}
.back-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.back-top:hover{border-color:var(--brand-500);transform:translateY(-3px)}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:72px 0 28px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.footer-brand strong{display:block;font-size:16px;font-weight:800;color:#fff}
.footer-brand span{font-size:12px;letter-spacing:.1em;color:rgba(255,255,255,.55)}
.footer-about{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:340px}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px}
.footer-list li+li{margin-top:11px}
.footer-list a{font-size:14px;color:rgba(255,255,255,.65);transition:color .2s ease,padding-left .2s ease}
.footer-list a:hover{color:var(--brand-500);padding-left:4px}
.footer-contact{display:flex;flex-direction:column;gap:11px;font-size:14px;color:rgba(255,255,255,.65)}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.45);
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .container{padding:0 24px}
  .nav-desktop{display:none}
  .nav-toggle{display:flex}
  .article-layout{grid-template-columns:1fr;gap:40px}
  .sticky-side{position:static}
  .article-head h1{font-size:36px}
  .section-head h2{font-size:28px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  :root{--section-gap:72px}
}
@media (max-width:768px){
  .header-cta .btn{display:none}
  .article-wrap{padding:20px 0 72px}
  .article-head h1{font-size:30px}
  .article-body{font-size:16px;line-height:1.9;margin-top:30px}
  .article-body h2{font-size:23px}
  .article-body h3{font-size:19px}
  .postnav{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
  .back-entry{flex-direction:column;align-items:flex-start}
  .back-entry .btn{width:100%}
  .cover-figure img{aspect-ratio:16/10}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  :root{--section-gap:56px}
}
@media (max-width:520px){
  .container{padding:0 20px}
  .article-head h1{font-size:27px}
  .breadcrumb .current{max-width:200px}
  .share-btn{margin-left:0}
  .back-top{right:16px;bottom:20px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
:root{
  --brand-500:#FF7A2F;
  --brand-600:#E85A12;
  --brand-100:#FFE6D5;
  --brand-50:#FFF3EA;
  --teal-500:#12C6A6;
  --teal-600:#0BA48A;
  --teal-100:#E4F8F4;
  --gold-500:#FFC53D;
  --gold-600:#E8A200;
  --gold-100:#FFF6E0;
  --ink:#14161A;
  --text:#3A3E46;
  --muted:#6C7280;
  --line:#ECE6E0;
  --bg:#FFFBF7;
  --card:#FFFFFF;
  --dark:#191B21;
  --grad-main:linear-gradient(120deg,#FF8A3D,#FF4D6D);
  --grad-gold:linear-gradient(120deg,#FFC53D,#FF8A3D);
  --grad-progress:linear-gradient(90deg,#12C6A6,#5FE3B0);
  --radius-lg:22px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-1:0 1px 2px rgba(20,22,26,.04), 0 6px 18px rgba(255,122,47,.08);
  --shadow-2:0 18px 40px -18px rgba(255,77,109,.35);
  --container:1200px;
  --sec:96px;
  --header-h:74px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-0.02em;}
p{margin:0;}
input,textarea,select{font-family:inherit;font-size:16px;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:var(--sec) 0;}
.section-alt{background:var(--brand-50);}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-title{font-size:34px;font-weight:700;line-height:1.24;}
.section-desc{margin-top:14px;font-size:16px;color:var(--muted);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--brand-600);background:var(--brand-100);
  padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-500);}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,251,247,.9);
  backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 22px -14px rgba(20,22,26,.28);}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:var(--header-h);
}
.brand{display:inline-flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;border-radius:13px;
  background:var(--grad-main);color:#fff;
  display:grid;place-items:center;
  font-size:19px;font-weight:800;
  box-shadow:0 8px 18px -10px rgba(255,77,109,.85);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-0.01em;}
.brand-text span{font-size:12.5px;color:var(--muted);font-weight:500;letter-spacing:.04em;}
.nav-desktop{display:flex;align-items:center;gap:4px;flex-wrap:nowrap;}
.nav-link{
  position:relative;
  padding:9px 15px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--text);
  transition:color .2s ease,background .2s ease;
  white-space:nowrap;
}
.nav-link:hover{background:var(--brand-50);color:var(--brand-600);}
.nav-link.is-active{background:var(--brand-100);color:var(--brand-600);font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:1px;transform:translateX(-50%);
  width:5px;height:5px;border-radius:50%;background:var(--brand-500);
}
.header-cta{display:flex;align-items:center;gap:12px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;
  padding:0 24px;height:48px;
  transition:transform .18s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--grad-main);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(1px);box-shadow:var(--shadow-1);}
.btn-secondary{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--shadow-1);}
.btn-secondary:hover{transform:translateY(-2px);border-color:var(--brand-500);color:var(--brand-600);}
.btn-secondary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6);}
.btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-2px);}
.btn-sm{height:42px;padding:0 20px;font-size:14.5px;}
.btn-lg{height:52px;padding:0 30px;font-size:16px;}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);
  border-radius:14px;background:#fff;position:relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  position:absolute;left:50%;width:18px;height:2px;border-radius:2px;
  background:var(--ink);transform:translateX(-50%);transition:.22s ease;
}
.nav-toggle span{top:21px;}
.nav-toggle span::before{content:"";top:-6px;left:0;transform:none;}
.nav-toggle span::after{content:"";top:6px;left:0;transform:none;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg);}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  padding-top:28px;font-size:13.5px;color:var(--muted);
}
.breadcrumb a{padding:4px 12px;border-radius:999px;border:1px solid var(--line);background:#fff;transition:.2s ease;}
.breadcrumb a:hover{color:var(--brand-600);border-color:var(--brand-500);}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{color:var(--ink);font-weight:600;}

/* ---------- 分类 Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:44px 0 84px;
  background:
    radial-gradient(720px 420px at 8% -10%,rgba(255,138,61,.20),transparent 62%),
    radial-gradient(620px 400px at 92% 4%,rgba(255,197,61,.16),transparent 60%),
    var(--bg);
}
.hero-grid{
  display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;
}
.hero-copy h1{font-size:46px;font-weight:800;line-height:1.18;}
.hero-lead{margin-top:20px;font-size:17px;color:var(--text);max-width:560px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px;}
.hero-points{margin-top:30px;display:grid;gap:10px;}
.hero-points li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:14.5px;color:var(--muted);
}
.hero-points li::before{
  content:"";flex:0 0 auto;width:8px;height:8px;margin-top:8px;border-radius:50%;
  background:var(--teal-500);box-shadow:0 0 0 4px var(--teal-100);
}
.hero-media{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  background:var(--brand-50);border:1px solid var(--line);
  box-shadow:var(--shadow-1);
}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-media::after{
  content:"";position:absolute;inset:auto -10% -35% auto;width:240px;height:240px;
  background:var(--grad-gold);opacity:.18;border-radius:50%;filter:blur(10px);
}

/* ---------- 锚点条 ---------- */
.anchor-bar{
  position:sticky;top:calc(var(--header-h) - 1px);z-index:60;
  background:rgba(255,251,247,.94);
  backdrop-filter:blur(10px);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.anchor-inner{display:flex;gap:10px;overflow-x:auto;padding:14px 32px;scrollbar-width:none;}
.anchor-inner::-webkit-scrollbar{display:none;}
.anchor-pill{
  flex:0 0 auto;padding:9px 18px;border-radius:999px;
  border:1px solid var(--line);background:#fff;
  font-size:14px;font-weight:500;color:var(--text);
  transition:.2s ease;
}
.anchor-pill:hover{color:var(--brand-600);border-color:var(--brand-500);transform:translateY(-2px);}

/* ---------- 图文交替 ---------- */
.feature-row{
  display:grid;grid-template-columns:7fr 5fr;gap:52px;align-items:center;
  padding:34px 0;
}
.feature-row.reverse{grid-template-columns:5fr 7fr;}
.feature-row.reverse .feature-copy{order:2;}
.feature-row.reverse .feature-media{order:1;}
.feature-copy h3{font-size:24px;font-weight:600;line-height:1.35;}
.feature-copy p{margin-top:16px;font-size:16px;color:var(--text);}
.feature-list{margin-top:20px;display:grid;gap:12px;}
.feature-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:14.5px;color:var(--muted);
}
.feature-list li b{
  color:var(--brand-600);font-weight:700;font-size:13.5px;
  background:var(--brand-100);border-radius:8px;padding:2px 9px;flex:0 0 auto;
}
.feature-media{
  border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);
  background:#fff;box-shadow:var(--shadow-1);
}
.feature-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s ease;}
.feature-media:hover img{transform:scale(1.035);}
.feature-divider{height:1px;background:var(--line);border:0;margin:0;}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;margin-top:8px;padding-left:34px;}
.timeline::before{
  content:"";position:absolute;left:11px;top:10px;bottom:14px;width:2px;
  background:linear-gradient(180deg,var(--brand-500),var(--teal-500));
  opacity:.35;border-radius:2px;
}
.tl-item{position:relative;padding:0 0 30px;}
.tl-item:last-child{padding-bottom:0;}
.tl-dot{
  position:absolute;left:-34px;top:6px;width:24px;height:24px;border-radius:50%;
  background:#fff;border:2px solid var(--brand-500);
  display:grid;place-items:center;
  font-size:12px;font-weight:700;color:var(--brand-600);
}
.tl-item.is-current .tl-dot{box-shadow:0 0 0 6px rgba(255,122,47,.14);}
.tl-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:24px 26px;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--brand-500);}
.tl-card h3{font-size:20px;font-weight:600;}
.tl-card p{margin-top:10px;font-size:15.5px;color:var(--text);}
.tl-tag{
  display:inline-block;margin-top:14px;
  font-size:12.5px;font-weight:600;letter-spacing:.03em;
  color:var(--teal-600);background:var(--teal-100);
  padding:4px 12px;border-radius:999px;
}

/* ---------- 表格 ---------- */
.table-wrap{
  border:1px solid var(--line);border-radius:var(--radius-lg);
  background:#fff;overflow:hidden;box-shadow:var(--shadow-1);
}
.table-scroll{overflow-x:auto;}
.route-table{width:100%;border-collapse:collapse;min-width:760px;}
.route-table caption{
  text-align:left;padding:20px 26px 0;font-size:14px;color:var(--muted);
}
.route-table th,.route-table td{
  padding:16px 22px;text-align:left;font-size:15px;border-bottom:1px solid var(--line);
}
.route-table thead th{
  background:var(--brand-100);color:var(--brand-600);
  font-size:14px;font-weight:700;letter-spacing:.02em;border-bottom:1px solid #FFD7BC;
}
.route-table tbody tr:nth-child(even){background:#FFFAF5;}
.route-table tbody tr:last-child td{border-bottom:0;}
.route-table td strong{color:var(--ink);font-weight:700;}
.route-table .cell-tag{
  display:inline-block;font-size:12.5px;font-weight:600;
  padding:3px 10px;border-radius:999px;
  background:var(--gold-100);color:var(--gold-600);
}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px;margin:0 auto;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:var(--brand-500);box-shadow:var(--shadow-1);}
.faq-item.is-open{border-color:var(--brand-500);box-shadow:var(--shadow-1);}
.faq-q{
  width:100%;background:none;border:0;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;font-size:16.5px;font-weight:600;color:var(--ink);
}
.faq-q .chev{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  background:var(--brand-50);color:var(--brand-600);
  display:grid;place-items:center;transition:transform .25s ease;
  font-size:13px;line-height:1;
}
.faq-item.is-open .chev{transform:rotate(180deg);background:var(--brand-500);color:#fff;}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .3s ease;
  border-left:3px solid var(--brand-500);
}
.faq-item.is-open .faq-a{max-height:420px;}
.faq-a p{padding:4px 24px 22px;font-size:15.5px;color:var(--text);}

/* ---------- 相关分类 ---------- */
.cat-links{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-bottom:52px;}
.cat-card{
  display:flex;align-items:center;gap:18px;
  background:var(--card);border:1px solid var(--line);border-radius:999px;
  padding:18px 28px;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--brand-500);}
.cat-card .cat-ico{
  width:44px;height:44px;border-radius:50%;flex:0 0 auto;
  background:var(--brand-50);color:var(--brand-600);
  display:grid;place-items:center;font-weight:800;font-size:16px;
}
.cat-card strong{display:block;font-size:16.5px;color:var(--ink);}
.cat-card span{display:block;font-size:13.5px;color:var(--muted);margin-top:2px;}
.cat-card .arrow{margin-left:auto;color:var(--brand-500);font-weight:700;}

/* ---------- CTA 横幅 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);
  background:var(--grad-main);
  padding:60px 48px;text-align:center;color:#fff;
  box-shadow:var(--shadow-2);
}
.cta-band::before{
  content:"";position:absolute;left:-80px;top:-120px;width:320px;height:320px;
  background:rgba(255,255,255,.18);border-radius:50%;filter:blur(4px);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;bottom:-140px;width:280px;height:280px;
  background:rgba(255,197,61,.28);border-radius:50%;filter:blur(6px);
}
.cta-band h2{position:relative;color:#fff;font-size:32px;font-weight:700;}
.cta-band p{position:relative;margin:14px auto 0;max-width:620px;font-size:16px;color:rgba(255,255,255,.92);}
.cta-band .cta-actions{position:relative;margin-top:30px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#C9CCD4;padding:76px 0 0;margin-top:var(--sec);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-brand strong{display:block;font-size:17px;color:#fff;font-weight:800;}
.footer-brand span span{display:block;font-size:12.5px;color:#8B909B;letter-spacing:.04em;}
.footer-about{font-size:14px;line-height:1.8;color:#9AA0AB;max-width:320px;}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;}
.footer-list{display:grid;gap:11px;}
.footer-list a{font-size:14px;color:#9AA0AB;transition:color .2s ease,padding-left .2s ease;}
.footer-list a:hover{color:var(--brand-500);padding-left:4px;}
.footer-contact{display:grid;gap:11px;font-size:14px;color:#9AA0AB;}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 30px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#7C828D;
}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:28px;z-index:70;
  width:46px;height:46px;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:var(--brand-600);box-shadow:var(--shadow-1);
  display:grid;place-items:center;font-size:16px;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
}
.to-top.is-show{opacity:1;visibility:visible;transform:none;}
.to-top:hover{background:var(--brand-50);border-color:var(--brand-500);}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .6s ease;}
.reveal.is-visible{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--sec:72px;--header-h:68px;}
  .nav-desktop{
    position:fixed;top:0;right:0;height:100vh;height:100dvh;
    width:min(320px,86vw);background:#fff;z-index:90;
    flex-direction:column;align-items:stretch;gap:6px;
    padding:92px 22px calc(24px + env(safe-area-inset-bottom));
    transform:translateX(102%);transition:transform .28s ease;
    box-shadow:-18px 0 40px -24px rgba(20,22,26,.28);
    overflow-y:auto;
  }
  .site-header.nav-open .nav-desktop{transform:none;}
  .nav-link{padding:14px 16px;font-size:16px;border-radius:14px;}
  .nav-link.is-active::after{display:none;}
  .nav-toggle{display:block;}
  .header-cta .btn-sm{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-copy h1{font-size:38px;}
  .section-title{font-size:30px;}
  .feature-row,.feature-row.reverse{grid-template-columns:1fr;gap:26px;}
  .feature-row.reverse .feature-copy{order:1;}
  .feature-row.reverse .feature-media{order:2;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .cta-band{padding:48px 30px;}
  .cta-band h2{font-size:26px;}
}
@media (max-width:768px){
  :root{--sec:56px;}
  .container{padding:0 20px;}
  .anchor-inner{padding:12px 20px;}
  .hero-copy h1{font-size:31px;}
  .hero-lead{font-size:16px;}
  .section-title{font-size:25px;}
  .feature-copy h3{font-size:20px;}
  .cat-links{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .cta-band{padding:40px 22px;border-radius:18px;}
  .cta-band h2{font-size:22px;}
  .cta-band .cta-actions .btn{width:100%;}
  .route-table th,.route-table td{padding:14px 16px;font-size:14px;}
}
@media (max-width:520px){
  .brand-text strong{font-size:15.5px;}
  .brand-text span{font-size:11.5px;}
  .hero-copy h1{font-size:27px;}
  .btn{height:46px;padding:0 18px;font-size:14.5px;}
  .hero-actions .btn{width:100%;}
  .timeline{padding-left:28px;}
  .tl-dot{left:-28px;width:20px;height:20px;font-size:11px;}
  .tl-card{padding:20px;}
  .faq-q{font-size:15.5px;padding:17px 18px;}
  .faq-a p{padding:2px 18px 20px;}
  .to-top{right:16px;bottom:18px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category2 */
:root{
  --brand-500:#FF7A2F;
  --brand-600:#E85A12;
  --brand-100:#FFE6D5;
  --brand-50:#FFF3EA;
  --teal-500:#12C6A6;
  --teal-600:#0BA48A;
  --teal-50:#E4F8F4;
  --gold-500:#FFC53D;
  --gold-600:#E8A200;
  --gold-50:#FFF6E0;
  --ink:#14161A;
  --text:#3A3E46;
  --muted:#6C7280;
  --line:#ECE6E0;
  --bg:#FFFBF7;
  --card:#FFFFFF;
  --dark:#191B21;
  --grad-main:linear-gradient(120deg,#FF8A3D,#FF4D6D);
  --grad-reward:linear-gradient(120deg,#FFC53D,#FF8A3D);
  --grad-progress:linear-gradient(90deg,#12C6A6,#5FE3B0);
  --r-xl:24px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --shadow-1:0 1px 2px rgba(20,22,26,.04),0 6px 18px rgba(255,122,47,.08);
  --shadow-2:0 18px 40px -18px rgba(255,77,109,.35);
  --sec-gap:96px;
  --font:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans 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:16.5px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-md)}
a{color:var(--brand-600);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-500)}
button,input{font-family:inherit;font-size:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em}
h1{font-size:48px;line-height:1.18;font-weight:800;letter-spacing:-.02em}
h2{font-size:34px;line-height:1.25;font-weight:700}
h3{font-size:23px;line-height:1.35;font-weight:600}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:var(--sec-gap) 0}
.section-tight{padding:64px 0}
.sec-head{max-width:720px;margin-bottom:44px}
.sec-head p{margin-top:14px;color:var(--muted);font-size:16px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--brand-600);background:var(--brand-50);border:1px solid var(--brand-100);border-radius:999px;padding:6px 14px;margin-bottom:18px}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-500)}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,251,247,.85);border-bottom:1px solid transparent;transition:background .25s ease,box-shadow .25s ease,border-color .25s ease}
.site-header.is-scrolled{background:rgba(255,251,247,.9);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom-color:var(--line);box-shadow:0 6px 24px -18px rgba(20,22,26,.4)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-mark{width:38px;height:38px;flex:0 0 38px;border-radius:12px;background:var(--grad-main);color:#fff;font-weight:800;font-size:18px;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-2)}
.brand-text{display:flex;align-items:baseline;gap:2px;font-size:17px;line-height:1}
.brand-text strong{font-weight:800;letter-spacing:-.01em}
.brand-text span{font-weight:400;color:var(--muted);font-size:15px}
.nav-desktop{display:flex;align-items:center;gap:4px;background:rgba(255,255,255,.75);border:1px solid var(--line);border-radius:999px;padding:6px}
.nav-link{position:relative;display:inline-block;padding:9px 18px;border-radius:999px;font-size:15px;font-weight:500;color:var(--text);transition:background .2s ease,color .2s ease}
.nav-link:hover{background:var(--brand-50);color:var(--brand-600)}
.nav-link.is-active{background:var(--brand-100);color:var(--brand-600);font-weight:700}
.nav-link.is-active::after{content:"";position:absolute;left:50%;bottom:1px;transform:translateX(-50%);width:5px;height:5px;border-radius:50%;background:var(--brand-500)}
.header-cta{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;position:relative}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{position:absolute;left:50%;transform:translateX(-50%);width:18px;height:2px;border-radius:2px;background:var(--ink);content:"";transition:transform .25s ease,opacity .2s ease}
.nav-toggle span{top:50%;margin-top:-1px}
.nav-toggle span::before{top:-6px;left:0;transform:none}
.nav-toggle span::after{top:6px;left:0;transform:none}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:52px;padding:0 28px;border-radius:999px;font-size:16px;font-weight:700;border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;white-space:nowrap}
.btn-primary{background:var(--grad-main);color:#fff;box-shadow:var(--shadow-2)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 22px 44px -18px rgba(255,77,109,.55)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{color:var(--brand-600);border-color:var(--brand-500);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.45);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}
.btn-sm{height:44px;padding:0 22px;font-size:15px}
.btn-block{width:100%}

/* ---------- hero ---------- */
.cat-hero{position:relative;overflow:hidden;padding:52px 0 72px;background:
  radial-gradient(900px 460px at 8% -10%,rgba(255,138,61,.20),transparent 62%),
  radial-gradient(680px 400px at 92% 0%,rgba(255,77,109,.14),transparent 60%),
  var(--bg)}
.cat-hero::after{content:"";position:absolute;inset:auto -80px -140px auto;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(18,198,166,.12),transparent 68%);pointer-events:none}
.crumbs{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13.5px;color:var(--muted);margin-bottom:28px}
.crumbs a{color:var(--muted);padding:5px 12px;border-radius:999px;border:1px solid transparent}
.crumbs a:hover{color:var(--brand-600);background:#fff;border-color:var(--line)}
.crumbs span.cur{color:var(--brand-600);font-weight:600;background:var(--brand-50);border:1px solid var(--brand-100);border-radius:999px;padding:5px 14px}
.crumbs .sep{opacity:.5}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;position:relative;z-index:1}
.hero-copy h1{margin-bottom:20px}
.hero-copy h1 em{font-style:normal;background:var(--grad-main);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{font-size:17px;color:var(--text);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.badge-pair{display:grid;gap:18px}
.mini-badge{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 26px 24px;box-shadow:var(--shadow-1);position:relative;overflow:hidden}
.mini-badge::before{content:"";position:absolute;left:0;top:0;right:0;height:3px;background:var(--grad-reward);opacity:0;transition:opacity .25s ease}
.mini-badge:hover{transform:translateY(-4px);border-color:var(--brand-500);box-shadow:var(--shadow-1),0 18px 36px -20px rgba(255,77,109,.4);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}
.mini-badge:hover::before{opacity:1}
.mini-badge .num{font-size:38px;font-weight:800;line-height:1;color:var(--ink);font-variant-numeric:tabular-nums}
.mini-badge .num small{font-size:17px;font-weight:700;margin-left:3px;color:var(--brand-600)}
.mini-badge .lbl{margin-top:8px;font-size:14px;color:var(--muted);font-weight:500}
.mini-badge.is-teal .num small{color:var(--teal-600)}

/* ---------- card matrix ---------- */
.matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.mx-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--shadow-1);position:relative;overflow:hidden;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.mx-card::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad-main);opacity:0;transition:opacity .2s ease}
.mx-card:hover{transform:translateY(-4px);border-color:var(--brand-500);box-shadow:var(--shadow-1),var(--shadow-2)}
.mx-card:hover::before{opacity:1}
.mx-card:nth-child(2){margin-top:36px}
.mx-card:nth-child(5){margin-top:36px}
.mx-thumb{aspect-ratio:16/10;border-radius:var(--r-md);overflow:hidden;background:linear-gradient(120deg,#FFE6D5,#FFF6E0);margin-bottom:20px;position:relative}
.mx-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0}
.mx-thumb .ph{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-weight:800;color:var(--brand-600);opacity:.5}
.mx-tag{display:inline-block;font-size:12.5px;font-weight:600;letter-spacing:.02em;color:var(--brand-600);background:var(--brand-50);border:1px solid var(--brand-100);border-radius:999px;padding:4px 12px;margin-bottom:14px}
.mx-card h3{font-size:21px;margin-bottom:10px}
.mx-card p{font-size:15px;color:var(--muted)}
.mx-card ul{margin-top:16px;display:grid;gap:8px}
.mx-card ul li{font-size:14.5px;color:var(--text);padding-left:20px;position:relative}
.mx-card ul li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;background:var(--teal-500)}

/* ---------- dark rewards ---------- */
.dark-band{background:var(--dark);color:#D7D9DE;position:relative;overflow:hidden;border-radius:0}
.dark-band::before{content:"";position:absolute;width:640px;height:640px;left:-160px;top:-280px;border-radius:50%;background:radial-gradient(circle,rgba(255,138,61,.30),transparent 66%)}
.dark-band::after{content:"";position:absolute;width:560px;height:560px;right:-180px;bottom:-300px;border-radius:50%;background:radial-gradient(circle,rgba(255,197,61,.20),transparent 68%)}
.dark-band .container{position:relative;z-index:1}
.dark-band h2{color:#fff}
.dark-band .sec-head p{color:#9BA1AC}
.reward-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.reward-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-lg);padding:22px;transition:transform .2s ease,border-color .2s ease,background .2s ease}
.reward-card:hover{transform:translateY(-4px);border-color:rgba(255,197,61,.6);background:rgba(255,255,255,.08)}
.reward-thumb{aspect-ratio:4/3;border-radius:var(--r-md);overflow:hidden;background:linear-gradient(120deg,rgba(255,197,61,.35),rgba(255,138,61,.25));margin-bottom:18px}
.reward-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0}
.reward-card h3{color:#fff;font-size:20px;margin-bottom:10px}
.reward-card p{font-size:14.5px;color:#A6ACB8}
.reward-chip{display:inline-block;font-size:12.5px;font-weight:700;color:#231800;background:var(--grad-reward);border-radius:999px;padding:5px 13px;margin-bottom:14px}
.reward-note{margin-top:32px;font-size:14px;color:#8C93A0}

/* ---------- progress ---------- */
.progress-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);padding:38px 34px;box-shadow:var(--shadow-1)}
.progress-track{position:relative;height:10px;border-radius:999px;background:#F2EDE8;margin:44px 0 8px}
.progress-fill{position:absolute;left:0;top:0;bottom:0;width:72%;border-radius:999px;background:var(--grad-progress)}
.progress-nodes{position:relative;display:grid;grid-template-columns:repeat(5,1fr);margin-top:-34px}
.pnode{text-align:center;position:relative}
.pnode .dot{width:18px;height:18px;border-radius:50%;background:#fff;border:3px solid var(--line);margin:0 auto 14px;position:relative;z-index:1}
.pnode.done .dot{background:var(--teal-500);border-color:var(--teal-500)}
.pnode.current .dot{background:var(--brand-500);border-color:#fff;box-shadow:0 0 0 4px rgba(255,122,47,.22)}
.pnode.current .dot::after{content:"";position:absolute;inset:-8px;border-radius:50%;border:2px solid rgba(255,122,47,.45);animation:pulse 2.4s ease-out infinite}
.pnode .tt{font-size:14.5px;font-weight:600;color:var(--ink)}
.pnode .ds{font-size:13px;color:var(--muted);margin-top:4px}
@keyframes pulse{0%{transform:scale(.7);opacity:.9}70%{transform:scale(1.25);opacity:0}100%{opacity:0}}
.progress-badges{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:44px}
.pb{background:var(--bg);border:1px solid var(--line);border-radius:var(--r-md);padding:20px 22px}
.pb .n{font-size:28px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.1}
.pb .n small{font-size:15px;color:var(--brand-600);margin-left:3px;font-weight:700}
.pb .l{font-size:13.5px;color:var(--muted);margin-top:6px}
.pb.is-teal .n small{color:var(--teal-600)}
.pb.is-gold .n small{color:var(--gold-600)}
.check-list{margin-top:36px;display:grid;gap:12px}
.check-list li{display:flex;align-items:flex-start;gap:12px;font-size:15px;background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);padding:14px 18px}
.check-list li .tick{flex:0 0 22px;width:22px;height:22px;border-radius:50%;background:var(--teal-50);color:var(--teal-600);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;margin-top:2px}

/* ---------- compare ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.cmp-col{border-radius:var(--r-xl);padding:30px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-1)}
.cmp-col h3{font-size:21px;margin-bottom:8px}
.cmp-col .sub{font-size:14px;color:var(--muted);margin-bottom:22px}
.cmp-col ul{display:grid;gap:14px}
.cmp-col li{display:flex;gap:12px;align-items:flex-start;font-size:15px}
.cmp-col li .mark{flex:0 0 22px;width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;margin-top:2px}
.cmp-col.in li .mark{background:var(--brand-100);color:var(--brand-600)}
.cmp-col.out{background:#F7F4F1;border-color:#E7E1DB;box-shadow:none}
.cmp-col.out h3,.cmp-col.out li{color:#8A9099}
.cmp-col.out li .mark{background:#E7E1DB;color:#9A9FA8}
.cmp-col.out .sub{color:#9A9FA8}

/* ---------- faq ---------- */
.faq-wrap{max-width:860px;margin:0 auto;display:grid;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item.is-open{border-color:var(--brand-500);box-shadow:var(--shadow-1)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;text-align:left;padding:22px 24px;font-size:16.5px;font-weight:600;color:var(--ink);position:relative}
.faq-item.is-open .faq-q::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;background:var(--brand-500)}
.faq-ico{flex:0 0 26px;width:26px;height:26px;border-radius:50%;background:var(--brand-50);color:var(--brand-600);display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:800;transition:transform .25s ease,background .2s ease,color .2s ease}
.faq-item.is-open .faq-ico{transform:rotate(180deg);background:var(--brand-500);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 24px 24px;font-size:15.5px;color:var(--text)}

/* ---------- cta ---------- */
.cta-band{padding:0 0 var(--sec-gap)}
.cta-inner{position:relative;overflow:hidden;border-radius:var(--r-xl);background:var(--grad-main);padding:64px 48px;text-align:center;color:#fff;box-shadow:var(--shadow-2)}
.cta-inner::before{content:"";position:absolute;width:520px;height:520px;left:-140px;top:-260px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.28),transparent 66%)}
.cta-inner::after{content:"";position:absolute;width:420px;height:420px;right:-120px;bottom:-240px;border-radius:50%;background:radial-gradient(circle,rgba(255,197,61,.35),transparent 68%)}
.cta-inner h2{color:#fff;position:relative;z-index:1}
.cta-inner p{position:relative;z-index:1;margin:16px auto 32px;max-width:620px;color:rgba(255,255,255,.92);font-size:16.5px}
.cta-inner .btn{position:relative;z-index:1}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:#9BA1AC;padding:72px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:44px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;margin-bottom:18px}
.footer-brand strong{font-weight:800}
.footer-brand span span{color:#9BA1AC;font-size:15px;font-weight:400}
.footer-about{font-size:14.5px;color:#8C93A0;line-height:1.8;max-width:300px}
.footer-title{font-size:15px;color:#fff;font-weight:700;margin-bottom:18px;letter-spacing:.02em}
.footer-list{display:grid;gap:12px}
.footer-list a{color:#9BA1AC;font-size:14.5px}
.footer-list a:hover{color:var(--brand-500)}
.footer-contact{display:grid;gap:12px;font-size:14.5px;color:#8C93A0}
.footer-bottom{margin-top:52px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.5px;color:#7B818C}

/* ---------- mobile drawer ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .matrix{grid-template-columns:repeat(2,1fr)}
  .mx-card:nth-child(2),.mx-card:nth-child(5){margin-top:0}
  .reward-grid{grid-template-columns:1fr 1fr}
  .progress-nodes{grid-template-columns:repeat(5,1fr)}
  .pnode .ds{display:none}
  .compare{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .nav-toggle{display:block}
  .nav-desktop{position:fixed;top:0;right:0;height:100vh;width:min(340px,86vw);flex-direction:column;align-items:stretch;gap:6px;background:#fff;border-radius:0;border-left:1px solid var(--line);padding:96px 20px 120px;transform:translateX(102%);transition:transform .3s ease;z-index:90;overflow-y:auto;box-shadow:-18px 0 40px -30px rgba(20,22,26,.6)}
  .nav-desktop.is-open{transform:translateX(0)}
  .nav-link{padding:14px 18px;font-size:17px;border-radius:14px}
  .nav-link.is-active::after{display:none}
  .nav-desktop::after{content:"";position:fixed;bottom:0;right:0;width:min(340px,86vw);height:0}
  .header-cta .btn{display:none}
  .header-cta{gap:8px}
  .nav-toggle{position:relative;z-index:95}
}
@media (max-width:768px){
  body{font-size:16px}
  .container{padding:0 20px}
  :root{--sec-gap:56px}
  h1{font-size:32px}
  h2{font-size:26px}
  h3{font-size:20px}
  .section{padding:56px 0}
  .header-inner{height:68px}
  .brand-text{font-size:15.5px}
  .brand-text span{font-size:13.5px}
  .cat-hero{padding:32px 0 52px}
  .hero-lead{font-size:16px}
  .hero-actions .btn{width:100%}
  .matrix{grid-template-columns:1fr}
  .reward-grid{grid-template-columns:1fr}
  .progress-wrap{padding:26px 20px}
  .progress-nodes{grid-template-columns:repeat(5,1fr)}
  .pnode .tt{font-size:12.5px}
  .progress-badges{grid-template-columns:1fr}
  .cta-inner{padding:44px 24px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-about{max-width:none}
  .footer-bottom{margin-top:36px;flex-direction:column}
}
@media (max-width:520px){
  h1{font-size:30px}
  .mini-badge{padding:22px}
  .mini-badge .num{font-size:32px}
  .badge-pair{grid-template-columns:1fr 1fr;gap:12px}
  .mini-badge .lbl{font-size:13px}
  .progress-nodes{grid-template-columns:repeat(5,1fr);gap:4px}
  .pnode .tt{font-size:11.5px}
  .faq-q{padding:18px;font-size:15.5px}
}
@media print{
  .site-header,.site-footer,.cta-band,.nav-toggle{display:none}
  body{background:#fff;color:#000}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-in{opacity:1;transform:none}