/* roulang page: index */
:root{
  --brand-1:#FF6B35;
  --brand-2:#FF2D6B;
  --brand-grad:linear-gradient(135deg,#FF6B35,#FF2D6B);
  --accent:#D8F14B;
  --ink:#1B1512;
  --ink-soft:#5A4E49;
  --bg:#FFF7F1;
  --bg-alt:#FFEDE2;
  --surface:#FFFFFF;
  --border:#F0E2D8;
  --r-lg:28px;
  --r-md:18px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(27,21,18,.04);
  --sh-2:0 18px 40px -18px rgba(255,45,107,.28);
  --ease:cubic-bezier(.2,.8,.2,1);
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Noto Sans SC',system-ui,sans-serif;
  background:var(--bg);
  color:var(--ink-soft);
  font-size:1rem;
  line-height:1.9;
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
::selection{background:#FFD9C6;color:var(--ink)}
body::-webkit-scrollbar{width:10px}
body::-webkit-scrollbar-thumb{background:#F1D8C8;border-radius:999px}
body::-webkit-scrollbar-track{background:var(--bg)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media(min-width:1024px){ .container{padding-left:32px;padding-right:32px} }

.section{padding-top:56px;padding-bottom:56px}
@media(min-width:768px){ .section{padding-top:80px;padding-bottom:80px} }
@media(min-width:1024px){ .section{padding-top:96px;padding-bottom:96px} }
.section-tight{padding-top:48px;padding-bottom:48px}
@media(min-width:768px){ .section-tight{padding-top:64px;padding-bottom:64px} }
.band{background:var(--bg-alt)}
.band-line{border-top:1px solid var(--border);border-bottom:1px solid var(--border)}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8125rem;font-weight:700;letter-spacing:.04em;
  color:var(--ink);
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-pill);
  padding:6px 14px;
  box-shadow:var(--sh-1);
}
.eyebrow::before{
  content:"";width:8px;height:8px;border-radius:50%;
  background:var(--brand-grad);
}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;gap:16px;justify-content:space-between;margin-bottom:32px}
.section-title{
  font-size:clamp(1.5rem,3vw,2.25rem);
  font-weight:700;line-height:1.25;color:var(--ink);letter-spacing:-.01em;
}
.section-desc{margin-top:10px;font-size:1rem;color:var(--ink-soft);max-width:640px}
.link-more{
  position:relative;display:inline-flex;align-items:center;gap:8px;
  font-weight:700;color:var(--ink);padding-bottom:2px;
}
.link-more::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--brand-grad);transition:width .24s var(--ease);
}
.link-more:hover::after{width:100%}
.link-more i{transition:transform .24s var(--ease)}
.link-more:hover i{transform:translateX(4px)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,247,241,.96);
  border-bottom:1px solid var(--border);
  transition:box-shadow .24s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.nav-wrap{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:56px;
}
@media(min-width:1024px){ .nav-wrap{min-height:var(--nav-h)} }
.logo{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.01em}
.logo-mark{font-size:1.125rem;color:var(--ink)}
.logo-key{
  font-size:1rem;font-weight:800;
  background:var(--brand-grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.nav-main{display:none}
@media(min-width:1024px){
  .nav-main{display:flex;align-items:center;gap:6px}
}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:10px 14px;border-radius:var(--r-pill);
  font-size:.9375rem;font-weight:600;color:var(--ink-soft);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;border-radius:3px;
  background:var(--brand-grad);transform:scaleX(0);transform-origin:left;
  transition:transform .24s var(--ease);
}
.nav-link:hover{color:var(--ink);background:var(--bg-alt)}
.nav-link.is-active{color:var(--ink)}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-burger{
  width:42px;height:42px;border-radius:var(--r-sm);
  border:1px solid var(--border);background:var(--surface);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink);transition:border-color .2s var(--ease),background .2s var(--ease);
}
.nav-burger:hover{border-color:var(--brand-1);background:var(--bg-alt)}
@media(min-width:1024px){ .nav-burger{display:none} }

.drawer{
  display:none;
  border-top:1px solid var(--border);
  background:var(--surface);
}
.drawer.is-open{display:block}
@media(min-width:1024px){ .drawer{display:none !important} }
.drawer-inner{padding:10px 0 18px}
.drawer-link{
  display:flex;align-items:center;gap:12px;
  min-height:52px;padding:0 20px;
  font-size:1rem;font-weight:600;color:var(--ink-soft);
  border-left:3px solid transparent;
}
.drawer-link.is-active{color:var(--ink);border-left-color:var(--brand-1);background:var(--bg-alt)}
.drawer-link:hover{background:var(--bg-alt);color:var(--ink)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);
  font-weight:700;font-size:.9375rem;
  padding:14px 28px;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-position .22s var(--ease),border-color .22s var(--ease),background-color .22s var(--ease);
  will-change:transform;
}
.btn-primary{
  background-image:var(--brand-grad);
  background-size:160% 160%;
  background-position:0% 50%;
  color:#fff;border:0;
  box-shadow:0 8px 20px -12px rgba(255,45,107,.65);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:var(--sh-2);
  background-position:100% 50%;
}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-ghost{
  background:var(--surface);color:var(--ink);border:1px solid var(--border);
}
.btn-ghost:hover{border-color:var(--brand-1);background:var(--bg-alt);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0) scale(.98)}
.btn-sm{padding:10px 20px;font-size:.875rem}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{
  filter:saturate(.4);opacity:.75;cursor:not-allowed;transform:none !important;box-shadow:none;
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  background:
    radial-gradient(420px 320px at 92% 6%, rgba(255,45,107,.14), transparent 70%),
    radial-gradient(420px 320px at 4% 92%, rgba(255,107,53,.14), transparent 70%),
    var(--bg-alt);
  overflow:hidden;
  padding-top:44px;
}
.hero-grid{
  display:grid;grid-template-columns:1fr;gap:36px;align-items:center;
  padding-bottom:64px;
}
@media(min-width:1024px){
  .hero{padding-top:64px}
  .hero-grid{grid-template-columns:1fr 1fr;gap:56px;padding-bottom:88px}
}
.hero h1{
  font-size:clamp(2rem,5vw,3.5rem);
  font-weight:800;line-height:1.15;letter-spacing:-.02em;color:var(--ink);
  margin:18px 0 0;
}
.hero-sub{
  margin-top:18px;font-size:1.0625rem;line-height:1.9;color:var(--ink-soft);max-width:520px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-badges{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:12px;margin-top:34px;
}
.hero-badge{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);
  padding:14px 16px;box-shadow:var(--sh-1);
}
.hero-badge b{
  display:block;font-size:1.5rem;font-weight:800;color:var(--ink);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.hero-badge span{display:block;font-size:.75rem;color:var(--ink-soft);margin-top:4px}
.hero-badge.is-accent{background:var(--accent);border-color:transparent}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--r-lg);
  border:1px solid rgba(255,107,53,.35);
  box-shadow:var(--sh-2);
}
.float-card{
  position:absolute;right:-6px;bottom:-18px;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);
  box-shadow:var(--sh-2);padding:12px 16px;display:flex;align-items:center;gap:12px;
}
.float-card .fc-num{
  font-size:1.25rem;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums;
}
.float-card .fc-label{font-size:.75rem;color:var(--ink-soft)}
.float-card .fc-chip{
  background:var(--accent);color:var(--ink);border-radius:var(--r-pill);
  font-size:.6875rem;font-weight:800;padding:3px 10px;
}
.hero-slope{display:block;width:100%;height:56px;margin-bottom:-1px}
.hero-slope svg{width:100%;height:100%;display:block}

/* ---------- 数据条 ---------- */
.stats-bar{
  display:grid;grid-template-columns:1fr;gap:0;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;
}
@media(min-width:768px){ .stats-bar{grid-template-columns:repeat(3,1fr)} }
.stat{
  padding:24px 22px;text-align:center;
  border-bottom:1px solid var(--border);
}
@media(min-width:768px){
  .stat{border-bottom:0;border-right:1px solid var(--border)}
  .stat:last-child{border-right:0}
}
.stat b{
  display:block;font-size:clamp(1.5rem,2.4vw,1.875rem);font-weight:800;color:var(--ink);
  font-variant-numeric:tabular-nums;
}
.stat span{display:block;font-size:.8125rem;color:var(--ink-soft);margin-top:6px}

/* ---------- 步骤卡 ---------- */
.steps{
  display:grid;grid-template-columns:1fr;gap:20px;
}
@media(min-width:768px){ .steps{grid-template-columns:repeat(2,1fr);gap:24px} }
@media(min-width:1024px){ .steps{grid-template-columns:repeat(4,1fr)} }
.step-card{
  position:relative;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);
  padding:24px 22px 26px;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,107,53,.4)}
.step-num{
  font-size:2.25rem;font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1.5px #F3B79C;
  transition:color .24s var(--ease),-webkit-text-stroke-color .24s var(--ease);
}
.step-card:hover .step-num{
  background:var(--brand-grad);
  -webkit-background-clip:text;background-clip:text;
  color:transparent;-webkit-text-stroke-color:transparent;
}
.step-card h3{font-size:1.125rem;font-weight:700;color:var(--ink);margin:14px 0 8px;line-height:1.4}
.step-card p{font-size:.9375rem;color:var(--ink-soft);line-height:1.85}
@media(min-width:1024px){
  .steps .step-card:nth-child(2),
  .steps .step-card:nth-child(4){transform:translateY(24px)}
  .steps .step-card:nth-child(2):hover,
  .steps .step-card:nth-child(4):hover{transform:translateY(20px)}
}

/* ---------- 奖励卡 ---------- */
.rewards{display:grid;grid-template-columns:1fr;gap:22px}
@media(min-width:1024px){ .rewards{grid-template-columns:repeat(2,1fr);gap:24px} }
.reward-card{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--border);
  background:var(--surface);box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.reward-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
@media(min-width:1024px){
  .rewards .reward-card:nth-child(2){transform:translateY(32px)}
  .rewards .reward-card:nth-child(2):hover{transform:translateY(28px)}
}
.reward-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.reward-body{padding:22px}
.reward-tag{
  display:inline-block;font-size:.75rem;font-weight:800;letter-spacing:.04em;
  background:var(--bg-alt);color:var(--ink);border-radius:var(--r-pill);padding:4px 12px;
}
.reward-card h3{font-size:1.25rem;font-weight:700;color:var(--ink);margin:14px 0 8px;line-height:1.4}
.reward-card p{font-size:.9375rem;color:var(--ink-soft)}
.reward-figure{
  display:flex;align-items:center;gap:12px;margin-top:18px;flex-wrap:wrap;
}
.reward-figure b{
  font-size:1.75rem;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1;
}
.reward-figure .unit{font-size:.8125rem;color:var(--ink-soft)}
.reward-chip{
  background:var(--accent);color:var(--ink);border-radius:var(--r-pill);
  font-size:.75rem;font-weight:800;padding:4px 12px;
}
.reward-card.is-dark{background:var(--ink);border-color:rgba(255,255,255,.12)}
.reward-card.is-dark h3{color:#fff}
.reward-card.is-dark p{color:rgba(255,255,255,.72)}
.reward-card.is-dark .reward-figure b{color:#fff}
.reward-card.is-dark .reward-figure .unit{color:rgba(255,255,255,.72)}
.reward-card.is-dark .reward-tag{background:rgba(255,255,255,.12);color:rgba(255,255,255,.88)}
.reward-arrow{
  display:inline-flex;align-items:center;gap:8px;margin-top:18px;
  font-weight:700;color:var(--brand-1);font-size:.9375rem;
}
.reward-card.is-dark .reward-arrow{color:var(--accent)}
.reward-arrow i{transition:transform .24s var(--ease)}
.reward-card:hover .reward-arrow i{transform:translateX(5px)}

/* ---------- 进度感 ---------- */
.progress-panel{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:28px 24px;box-shadow:var(--sh-1);
}
.progress-top{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px}
.progress-top h3{font-size:1.125rem;font-weight:700;color:var(--ink)}
.progress-pct{
  background:var(--accent);color:var(--ink);font-weight:800;
  border-radius:var(--r-pill);padding:5px 14px;font-size:.875rem;font-variant-numeric:tabular-nums;
}
.progress-track{
  position:relative;height:10px;border-radius:var(--r-pill);
  background:var(--border);margin:20px 0 26px;overflow:visible;
}
.progress-fill{
  height:100%;border-radius:var(--r-pill);width:62%;
  background:var(--brand-grad);position:relative;
}
.progress-fill::after{
  content:"";position:absolute;right:-4px;top:50%;transform:translateY(-50%);
  width:12px;height:12px;border-radius:50%;background:#fff;border:3px solid var(--brand-2);
  animation:pulse-dot 1.6s ease-in-out infinite;
}
@keyframes pulse-dot{
  0%,100%{box-shadow:0 0 0 0 rgba(255,45,107,.35)}
  50%{box-shadow:0 0 0 7px rgba(255,45,107,0)}
}
.nodes{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:768px){ .nodes{grid-template-columns:repeat(4,1fr);gap:14px} }
.node{display:flex;gap:12px;align-items:flex-start}
@media(min-width:768px){ .node{flex-direction:column;gap:10px} }
.node-dot{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:2px solid var(--border);color:var(--ink-soft);font-size:.6875rem;background:var(--surface);
}
.node.is-done .node-dot{background:var(--brand-grad);border-color:transparent;color:#fff}
.node.is-active .node-dot{
  border-color:var(--brand-2);color:var(--brand-2);
  animation:breathe 1.8s ease-in-out infinite;
}
@keyframes breathe{
  0%,100%{box-shadow:0 0 0 0 rgba(255,45,107,.28)}
  50%{box-shadow:0 0 0 6px rgba(255,45,107,0)}
}
.node b{display:block;font-size:.9375rem;font-weight:700;color:var(--ink)}
.node span{display:block;font-size:.8125rem;color:var(--ink-soft);line-height:1.75}

@media(prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.01ms !important}
  html{scroll-behavior:auto}
}

/* ---------- 资讯列表（CMS 区域） ---------- */
.news-grid{display:grid;grid-template-columns:1fr;gap:22px}
@media(min-width:768px){ .news-grid{grid-template-columns:repeat(2,1fr);gap:24px} }
@media(min-width:1024px){ .news-grid{grid-template-columns:repeat(3,1fr)} }
.news-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,107,53,.4)}
@media(min-width:1024px){
  .news-grid .news-card:nth-child(3n+2){transform:translateY(20px)}
  .news-grid .news-card:nth-child(3n+2):hover{transform:translateY(16px)}
}
.news-cover{position:relative;overflow:hidden}
.news-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s var(--ease)}
.news-card:hover .news-cover img{transform:scale(1.03)}
.news-cover .tag{
  position:absolute;left:12px;top:12px;
  background:rgba(27,21,18,.78);color:#fff;
  font-size:.6875rem;font-weight:700;letter-spacing:.04em;
  border-radius:var(--r-pill);padding:4px 12px;
}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.news-body h3{
  font-size:1.0625rem;font-weight:700;color:var(--ink);line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  margin-top:10px;font-size:.875rem;color:var(--ink-soft);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:16px;padding-top:14px;border-top:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;
  font-size:.8125rem;color:var(--ink-soft);font-variant-numeric:tabular-nums;
}
.news-meta .go{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--brand-1)}
.news-meta .go i{transition:transform .24s var(--ease)}
.news-card:hover .news-meta .go i{transform:translateX(4px)}
.news-empty{
  min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:8px;text-align:center;
  background:var(--surface);border:1px dashed var(--border);border-radius:var(--r-lg);
  padding:32px 24px;grid-column:1/-1;
}
.news-empty i{font-size:1.75rem;color:var(--brand-1)}
.news-empty b{font-size:1.0625rem;color:var(--ink);font-weight:700}
.news-empty span{font-size:.875rem;color:var(--ink-soft)}

/* ---------- CTA ---------- */
.cta-wrap{
  position:relative;overflow:hidden;
  background:var(--ink);
  border-radius:32px;
  padding:40px 26px;
  box-shadow:var(--sh-2);
}
.cta-wrap::after{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,107,53,.34),transparent 68%);
  pointer-events:none;
}
@media(min-width:768px){
  .cta-wrap{padding:56px 48px;display:flex;align-items:center;justify-content:space-between;gap:36px}
}
.cta-wrap h2{
  font-size:clamp(1.5rem,3vw,2.125rem);font-weight:700;color:#fff;line-height:1.28;letter-spacing:-.01em;
}
.cta-wrap p{margin-top:12px;color:rgba(255,255,255,.72);max-width:560px}
.cta-wrap .cta-actions{margin-top:24px;display:flex;flex-wrap:wrap;gap:12px}
@media(min-width:768px){ .cta-wrap .cta-actions{margin-top:0;flex:0 0 auto} }

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;margin:0 auto;display:grid;gap:12px}
.faq-item{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);
  padding:6px 20px;transition:background .2s var(--ease),border-color .2s var(--ease);
}
.faq-item:hover{background:var(--bg-alt);border-color:rgba(255,107,53,.35)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 0;font-size:1.0313rem;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::marker{content:""}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--bg-alt);color:var(--brand-1);
  transition:transform .24s var(--ease),background .24s var(--ease);
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--accent);color:var(--ink)}
.faq-body{padding:0 0 18px;font-size:.9375rem;color:var(--ink-soft);line-height:1.85}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);margin-top:0}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:32px;padding:56px 0 32px;
}
@media(min-width:768px){ .footer-grid{grid-template-columns:repeat(2,1fr)} }
@media(min-width:1024px){ .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;} }
.footer-brand .logo-mark{color:#fff}
.footer-brand p{margin-top:14px;font-size:.875rem;line-height:1.85;max-width:340px}
.footer-contact{margin-top:16px;display:grid;gap:8px;font-size:.875rem}
.footer-contact span{display:inline-flex;align-items:center;gap:8px}
.footer-col h4{font-size:.9375rem;font-weight:700;color:#fff;margin-bottom:14px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{
  font-size:.875rem;color:rgba(255,255,255,.72);position:relative;
  transition:color .2s var(--ease);
}
.footer-col a:hover{color:#fff}
.footer-col a::after{
  content:"";position:absolute;left:0;bottom:-2px;height:2px;width:0;
  background:var(--brand-grad);transition:width .24s var(--ease);
}
.footer-col a:hover::after{width:100%}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:18px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:.75rem;color:rgba(255,255,255,.6);
}

/* ---------- 移动底部 Tab ---------- */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  display:grid;grid-template-columns:repeat(3,1fr);
  background:rgba(255,255,255,.98);
  border-top:1px solid var(--border);
  box-shadow:0 -8px 24px -18px rgba(27,21,18,.4);
  padding-bottom:env(safe-area-inset-bottom);
}
@media(min-width:1024px){ .tabbar{display:none} }
.tab-item{
  position:relative;min-height:60px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  font-size:.6875rem;font-weight:600;color:var(--ink-soft);
}
.tab-item i{font-size:1.375rem}
.tab-item::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%) scaleX(0);
  width:32px;height:3px;border-radius:3px;background:var(--brand-grad);
  transition:transform .24s var(--ease);
}
.tab-item.is-active{color:var(--brand-1)}
.tab-item.is-active::before{transform:translateX(-50%) scaleX(1)}
@media(max-width:1023px){ body{padding-bottom:76px} }

/* roulang page: category1 */
:root{
  --brand-1:#FF6B35;
  --brand-2:#FF2D6B;
  --brand-grad:linear-gradient(135deg,#FF6B35,#FF2D6B);
  --accent:#D8F14B;
  --ink:#1B1512;
  --ink-soft:#5A4E49;
  --bg:#FFF7F1;
  --bg-alt:#FFEDE2;
  --surface:#FFFFFF;
  --border:#F0E2D8;
  --sh-1:0 2px 8px rgba(27,21,18,.04);
  --sh-2:0 18px 40px -18px rgba(255,45,107,.28);
  --r-lg:28px;
  --r-md:18px;
  --r-sm:12px;
  --r-pill:999px;
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  background:var(--bg);
  color:var(--ink-soft);
  font-size:1rem;
  line-height:1.9;
  padding-bottom:76px;
  -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}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700}
p{margin:0}
input,textarea,select{font:inherit;color:inherit}
::selection{background:rgba(255,107,53,.22);color:var(--ink)}
.num{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}
.section{padding:56px 0}
@media (min-width:768px){.section{padding:80px 0}}
@media (min-width:1024px){.section{padding:96px 0}}
.section-alt{background:var(--bg-alt)}
.section-line{border-top:1px solid var(--border)}
.section-head{max-width:720px;margin-bottom:36px}
.section-head h2{font-size:clamp(1.5rem,3vw,2.25rem);line-height:1.25;letter-spacing:-.01em}
.section-head p{margin-top:12px;color:var(--ink-soft)}
.eyebrow{
  display:inline-block;
  font-size:.78125rem;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--brand-2);
  background:rgba(255,45,107,.09);
  border:1px solid rgba(255,45,107,.18);
  border-radius:var(--r-pill);
  padding:5px 14px;
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:.75rem;
  font-weight:600;
  letter-spacing:.04em;
  color:var(--ink);
  background:var(--bg-alt);
  border:1px solid var(--border);
  border-radius:var(--r-pill);
  padding:4px 12px;
}
.badge-accent{background:var(--accent);border-color:transparent;color:var(--ink)}
.badge-dark{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.2);color:#fff}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--r-pill);
  padding:14px 28px;
  font-weight:700;
  font-size:.9375rem;
  line-height:1;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-position .22s var(--ease),border-color .22s var(--ease),background-color .22s var(--ease);
  border:1px solid transparent;
  white-space:nowrap;
}
.btn-primary{
  color:#fff;
  background-image:linear-gradient(135deg,#FF6B35 0%,#FF2D6B 50%,#FF6B35 100%);
  background-size:200% 100%;
  background-position:0 0;
  box-shadow:var(--sh-1);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh-2);background-position:100% 0}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-primary:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.btn-ghost{background:var(--surface);border-color:var(--border);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand-1);background:var(--bg-alt)}
.btn-ghost:active{transform:scale(.98)}
.btn-ghost:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.btn-sm{padding:10px 20px;font-size:.875rem}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-weight:600;
  color:var(--ink);
  position:relative;
  padding-bottom:2px;
}
.link-arrow::after{
  content:"";
  position:absolute;left:0;bottom:0;
  width:100%;height:2px;
  background:var(--brand-grad);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .22s var(--ease);
  border-radius:2px;
}
.link-arrow:hover::after{transform:scaleX(1)}
.link-arrow:hover{color:var(--brand-2)}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--border);
  transition:box-shadow .22s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:56px}
@media (min-width:1024px){.header-inner{height:72px;gap:28px}}
.logo{display:flex;align-items:baseline;gap:6px;font-weight:800;font-size:1.125rem;letter-spacing:-.01em}
.logo-mark{color:var(--ink)}
.logo-key{
  background:var(--brand-grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.nav-main{display:none}
@media (min-width:1024px){
  .nav-main{display:flex;align-items:center;gap:6px;margin-left:auto;margin-right:auto}
}
.nav-link{
  position:relative;
  padding:10px 14px;
  font-size:.9375rem;
  font-weight:600;
  color:var(--ink-soft);
  border-radius:var(--r-pill);
  transition:color .18s var(--ease),background-color .18s var(--ease);
}
.nav-link:hover{color:var(--ink);background:var(--bg-alt)}
.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:3px;
  background:var(--brand-grad);
}
.header-actions{display:flex;align-items:center;gap:10px}
.menu-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:var(--r-sm);
  border:1px solid var(--border);background:var(--surface);color:var(--ink);
  transition:background-color .18s var(--ease),border-color .18s var(--ease);
}
.menu-toggle:hover{background:var(--bg-alt);border-color:var(--brand-1)}
@media (min-width:1024px){.menu-toggle{display:none}}
.header-cta{display:none}
@media (min-width:1024px){.header-cta{display:inline-flex}}
.drawer{
  border-top:1px solid var(--border);
  background:var(--surface);
  padding:10px 20px 18px;
}
@media (min-width:1024px){.drawer{display:none !important}}
.drawer[hidden]{display:none}
.drawer-link{
  display:block;
  padding:0 14px;
  height:52px;
  line-height:52px;
  font-weight:600;
  color:var(--ink-soft);
  border-radius:var(--r-sm);
  border-left:3px solid transparent;
}
.drawer-link:hover{background:var(--bg-alt);color:var(--ink)}
.drawer-link.is-active{color:var(--ink);border-left-color:var(--brand-1);background:var(--bg-alt)}

/* 移动底部 Tab */
.mobile-tab{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  display:flex;
  background:rgba(255,255,255,.98);
  border-top:1px solid var(--border);
  box-shadow:0 -8px 24px -16px rgba(27,21,18,.28);
  padding-bottom:env(safe-area-inset-bottom);
}
@media (min-width:1024px){.mobile-tab{display:none}}
.tab-item{
  flex:1;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:3px;height:60px;
  font-size:11px;font-weight:600;color:var(--ink-soft);
  transition:color .18s var(--ease);
}
.tab-item i{font-size:22px;line-height:1;position:relative}
.tab-item i::before{display:block}
.tab-item.is-active{color:var(--brand-1)}
.tab-item.is-active i::after{
  content:"";position:absolute;left:50%;top:-9px;transform:translateX(-50%);
  width:20px;height:3px;border-radius:3px;background:var(--brand-grad);
}
.tab-item:hover{color:var(--ink)}

/* 窄幅 Hero */
.page-hero{
  position:relative;
  overflow:hidden;
  background:var(--bg-alt);
  border-bottom:1px solid var(--border);
}
.page-hero::before{
  content:"";position:absolute;right:-80px;top:-120px;width:360px;height:360px;
  background:radial-gradient(circle,rgba(255,45,107,.16),transparent 70%);
  pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;left:-100px;bottom:-150px;width:320px;height:320px;
  background:radial-gradient(circle,rgba(255,107,53,.14),transparent 70%);
  pointer-events:none;
}
.hero-inner{
  position:relative;z-index:1;
  display:grid;gap:24px;align-items:center;
  padding:40px 0;
}
@media (min-width:768px){
  .hero-inner{grid-template-columns:1.4fr 1fr;gap:36px;min-height:272px;padding:36px 0}
}
.hero-copy h1{
  margin-top:14px;
  font-size:clamp(1.75rem,4.4vw,2.75rem);
  font-weight:800;
  line-height:1.18;
  letter-spacing:-.02em;
}
.hero-sub{margin-top:14px;max-width:560px;font-size:1rem;color:var(--ink-soft)}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.hero-art{position:relative}
.hero-art img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-lg);
  border:1px solid var(--border);
  box-shadow:var(--sh-1);
}
@media (min-width:768px){.hero-art img{aspect-ratio:16/11}}
.hero-mini{
  position:absolute;right:12px;bottom:-14px;
  display:flex;align-items:center;gap:10px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  padding:10px 16px;
  box-shadow:var(--sh-1);
}
.hero-mini strong{font-size:1.25rem;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums}
.hero-mini span{font-size:.75rem;font-weight:600;color:var(--ink-soft)}

/* 交替图文 */
.split{display:grid;gap:28px;align-items:center}
.split + .split{margin-top:56px}
@media (min-width:768px){
  .split{grid-template-columns:1fr 1fr;gap:48px}
  .split + .split{margin-top:80px}
  .split-reverse .split-copy{order:2}
  .split-reverse .split-media{order:1}
}
.split-copy h2{font-size:clamp(1.375rem,2.6vw,1.875rem);line-height:1.3;margin-top:14px}
.split-copy p{margin-top:14px}
.split-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--r-lg);
  border:1px solid var(--border);
  box-shadow:var(--sh-1);
  transition:transform .3s var(--ease);
}
.split-media:hover img{transform:scale(1.02)}
.ticks{margin-top:18px;display:grid;gap:10px}
.ticks li{position:relative;padding-left:26px;font-size:.9375rem}
.ticks li::before{
  content:"✓";
  position:absolute;left:0;top:0;
  width:18px;height:18px;margin-top:6px;
  display:flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:700;color:var(--ink);
  background:var(--accent);border-radius:50%;
}

/* 编号步骤 */
.step-list{display:grid;gap:20px}
@media (min-width:768px){.step-list{grid-template-columns:1fr 1fr;gap:24px}}
@media (min-width:1024px){.step-list{grid-template-columns:repeat(4,1fr)}}
.step-item{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  padding:26px 22px;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.step-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
@media (min-width:1024px){
  .step-item:nth-child(2){transform:translateY(24px)}
  .step-item:nth-child(2):hover{transform:translateY(20px)}
  .step-item:nth-child(4){transform:translateY(24px)}
  .step-item:nth-child(4):hover{transform:translateY(20px)}
}
.step-num{
  display:block;
  font-size:2.25rem;
  font-weight:800;
  line-height:1;
  color:transparent;
  -webkit-text-stroke:1.5px var(--brand-1);
  font-variant-numeric:tabular-nums;
  transition:color .22s var(--ease),-webkit-text-stroke-color .22s var(--ease);
}
.step-item:hover .step-num{
  background:var(--brand-grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  -webkit-text-stroke-color:transparent;
}
.step-item h3{margin-top:16px;font-size:1.0625rem;line-height:1.45}
.step-item p{margin-top:10px;font-size:.9375rem}

/* 对照卡 */
.compare{display:grid;gap:20px}
@media (min-width:768px){.compare{grid-template-columns:1fr 1fr;gap:24px}}
.compare-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  padding:28px 26px;
  box-shadow:var(--sh-1);
}
.compare-card h3{margin-top:16px;font-size:1.25rem}
.compare-card ul{margin-top:16px;display:grid;gap:12px}
.compare-card li{
  position:relative;padding-left:22px;font-size:.9375rem;
  padding-bottom:12px;border-bottom:1px dashed var(--border);
}
.compare-card li:last-child{border-bottom:0;padding-bottom:0}
.compare-card li::before{
  content:"";position:absolute;left:0;top:.7em;
  width:8px;height:8px;border-radius:50%;
  background:var(--brand-grad);
}
.compare-dark{
  background:var(--ink);
  border-color:rgba(255,255,255,.12);
  color:rgba(255,255,255,.72);
  position:relative;
  overflow:hidden;
}
.compare-dark::after{
  content:"";position:absolute;right:-60px;bottom:-80px;width:220px;height:220px;
  background:radial-gradient(circle,rgba(255,45,107,.28),transparent 70%);
}
.compare-dark h3{color:#fff}
.compare-dark li{border-bottom-color:rgba(255,255,255,.12);color:rgba(255,255,255,.72)}

/* FAQ */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  margin-bottom:12px;
  transition:background-color .18s var(--ease);
  overflow:hidden;
}
.faq-item:hover{background:var(--bg-alt)}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:18px 52px 18px 22px;
  position:relative;
  font-weight:700;
  color:var(--ink);
  font-size:1rem;
  line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";
  position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:1.25rem;font-weight:700;
  background:var(--brand-grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  transition:transform .22s var(--ease);
}
.faq-item[open] summary::after{content:"×"}
.faq-body{padding:0 22px 20px;font-size:.9375rem;line-height:1.8;color:var(--ink-soft)}

/* 浅色 CTA */
.cta-light{
  position:relative;
  background:var(--bg-alt);
  border:1px solid transparent;
  border-radius:32px;
  padding:32px 26px;
  display:grid;gap:20px;
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.cta-light::before{
  content:"";position:absolute;inset:0;border-radius:32px;padding:1px;
  background:linear-gradient(135deg,rgba(255,107,53,.55),rgba(255,45,107,.25));
  -webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;
  pointer-events:none;
}
@media (min-width:768px){
  .cta-light{grid-template-columns:1fr auto;align-items:center;padding:40px 44px;gap:32px}
}
.cta-light h2{font-size:clamp(1.375rem,2.6vw,1.875rem);line-height:1.3}
.cta-light p{margin-top:10px;max-width:560px}

/* 页脚 */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.72);
  padding:56px 0 28px;
  margin-top:8px;
}
.footer-grid{display:grid;gap:32px}
@media (min-width:768px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}}
.site-footer .logo{margin-bottom:14px}
.site-footer .logo-mark{color:#fff}
.footer-brand p{font-size:.9375rem;line-height:1.9;max-width:360px}
.footer-contact{margin-top:16px;display:grid;gap:8px;font-size:.875rem}
.footer-contact i{margin-right:8px;color:var(--brand-1)}
.footer-col h4{color:#fff;font-size:1rem;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{
  font-size:.9375rem;
  color:rgba(255,255,255,.72);
  position:relative;
  transition:color .18s var(--ease);
}
.footer-col a:hover{color:#fff}
.footer-col a::after{
  content:"";position:absolute;left:0;bottom:-2px;width:100%;height:1px;
  background:var(--brand-grad);
  transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);
}
.footer-col a:hover::after{transform:scaleX(1)}
.footer-bottom{
  margin-top:40px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;
  font-size:12px;color:rgba(255,255,255,.56);
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
    --brand-1:#FF6B35;
    --brand-2:#FF2D6B;
    --accent:#D8F14B;
    --ink:#1B1512;
    --ink-soft:#5A4E49;
    --ink-mute:#9A8880;
    --bg:#FFF7F1;
    --bg-alt:#FFEDE2;
    --surface:#FFFFFF;
    --border:#F0E2D8;
    --grad:linear-gradient(135deg,#FF6B35,#FF2D6B);
    --r-big:28px;
    --r-mid:18px;
    --r-tiny:12px;
    --r-pill:999px;
    --sh-1:0 2px 8px rgba(27,21,18,.04);
    --sh-2:0 18px 40px -18px rgba(255,45,107,.28);
    --ease:cubic-bezier(.2,.8,.2,1);
    --font-stack:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:var(--font-stack);
    font-size:1rem;
    line-height:1.9;
    color:var(--ink-soft);
    background:var(--bg);
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.01em;}
  p{margin:0;}
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;transition:color .2s ease;}
  ul,ol{margin:0;padding:0;list-style:none;}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
  input,textarea{font:inherit;}
  ::selection{background:rgba(255,107,53,.22);}
  .tnum{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

  body::-webkit-scrollbar{width:10px;}
  body::-webkit-scrollbar-thumb{background:#EBD8CC;border-radius:8px;}
  body::-webkit-scrollbar-track{background:var(--bg);}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}

  /* ---------- 顶栏 ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:#FFFFFF;
    border-bottom:1px solid var(--border);
    transition:box-shadow .24s ease;
  }
  .site-header.is-scrolled{box-shadow:var(--sh-1);}
  .header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;}
  .logo{display:inline-flex;align-items:baseline;gap:7px;font-weight:800;font-size:1.125rem;color:var(--ink);letter-spacing:-.01em;}
  .logo-mark{white-space:nowrap;}
  .logo-key{
    background:var(--grad);
    -webkit-background-clip:text;background-clip:text;
    color:transparent;-webkit-text-fill-color:transparent;
    white-space:nowrap;
  }
  .nav-main{display:none;}
  .nav-link{
    position:relative;display:inline-flex;align-items:center;
    padding:10px 14px;border-radius:var(--r-pill);
    font-size:.9375rem;font-weight:600;color:var(--ink-soft);
    transition:color .2s ease,background-color .2s ease;
  }
  .nav-link:hover{color:var(--ink);background:var(--bg-alt);}
  .nav-link.is-active{color:var(--ink);}
  .nav-link.is-active::after{
    content:"";position:absolute;left:14px;right:14px;bottom:3px;height:3px;
    border-radius:3px;background:var(--grad);
  }
  .header-actions{display:flex;align-items:center;gap:10px;}
  .header-actions .btn-ghost{display:none;}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:var(--r-pill);
    padding:12px 24px;
    font-size:.9375rem;font-weight:700;
    white-space:nowrap;
    transition:transform .22s var(--ease),box-shadow .22s ease,background-position .22s ease,background-color .22s ease,border-color .22s ease,color .22s ease;
  }
  .btn i{font-size:.875rem;}
  .btn-primary{
    color:#fff;
    background-image:var(--grad);
    background-size:180% 180%;
    background-position:0% 50%;
    box-shadow:var(--sh-1);
  }
  .btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh-2);background-position:100% 50%;}
  .btn-primary:active{transform:translateY(0) scale(.98);}
  .btn-primary:focus-visible{outline:none;box-shadow:0 0 0 2px #fff,0 0 0 4px var(--accent);}
  .btn-ghost{background:#fff;border:1px solid var(--border);color:var(--ink);}
  .btn-ghost:hover{border-color:var(--brand-1);background:var(--bg-alt);transform:translateY(-2px);}
  .btn-ghost:active{transform:translateY(0) scale(.98);}
  .btn-ghost:focus-visible{outline:none;box-shadow:0 0 0 2px #fff,0 0 0 4px rgba(255,107,53,.45);}
  .btn-block{width:100%;}

  .menu-toggle{
    display:inline-flex;align-items:center;justify-content:center;
    width:44px;height:44px;border-radius:var(--r-tiny);
    border:1px solid var(--border);color:var(--ink);
    transition:background-color .2s ease,border-color .2s ease;
  }
  .menu-toggle:hover{background:var(--bg-alt);border-color:var(--brand-1);}

  .drawer{display:none;border-top:1px solid var(--border);background:#fff;padding:8px 20px 18px;}
  .drawer.is-open{display:block;}
  .drawer-link{
    display:flex;align-items:center;height:52px;padding:0 12px;border-radius:14px;
    font-weight:600;color:var(--ink);font-size:.9375rem;
    transition:background-color .2s ease;
  }
  .drawer-link:hover{background:var(--bg-alt);}
  .drawer-link.is-active{box-shadow:inset 3px 0 0 0 var(--brand-1);background:var(--bg-alt);}

  /* ---------- 移动底部 Tab ---------- */
  .mobile-tabs{
    position:fixed;left:0;right:0;bottom:0;z-index:70;
    display:flex;background:#fff;border-top:1px solid var(--border);
    box-shadow:0 -8px 26px -16px rgba(27,21,18,.22);
    padding-bottom:env(safe-area-inset-bottom);
  }
  .tab-item{
    position:relative;flex:1 1 0;min-width:0;
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
    height:60px;font-size:10.5px;font-weight:600;color:var(--ink-soft);
  }
  .tab-item i{font-size:17px;}
  .tab-item span{max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .tab-item.is-active{color:var(--brand-1);}
  .tab-item.is-active::before{
    content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
    width:26px;height:3px;border-radius:0 0 3px 3px;background:var(--grad);
  }

  /* ---------- 面包屑 ---------- */
  .breadcrumb{padding:22px 0 0;}
  .breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.875rem;}
  .breadcrumb a{color:var(--ink-soft);font-weight:600;}
  .breadcrumb a:hover{color:var(--brand-1);}
  .breadcrumb .sep{color:#CDB9AC;}
  .breadcrumb .current{color:var(--ink-mute);font-weight:600;max-width:min(460px,60vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

  /* ---------- 文章主体 ---------- */
  .article-section{padding:24px 0 72px;}
  .article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:34px;}
  .article-main{min-width:0;}
  .article-head{padding-bottom:20px;border-bottom:1px solid var(--border);}
  .article-badge{
    display:inline-flex;align-items:center;gap:7px;
    padding:6px 14px;border-radius:var(--r-pill);
    background:var(--bg-alt);color:var(--brand-2);
    font-size:.75rem;font-weight:700;letter-spacing:.04em;
  }
  .article-badge i{font-size:.6875rem;}
  .article-head h1{
    margin-top:16px;
    font-size:clamp(1.7rem,3.6vw,2.55rem);
    font-weight:800;line-height:1.22;letter-spacing:-.02em;
  }
  .article-meta{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:16px;font-size:.875rem;color:var(--ink-mute);}
  .article-meta span{display:inline-flex;align-items:center;gap:7px;}
  .article-meta i{color:var(--brand-1);font-size:.8125rem;}

  .article-cover{
    margin:26px 0 0;border-radius:24px;overflow:hidden;
    border:1px solid var(--border);background:var(--bg-alt);
  }
  .article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s var(--ease);}
  .article-cover:hover img{transform:scale(1.03);}

  /* 移动端折叠目录 */
  .toc-mobile{
    margin-top:22px;background:var(--surface);border:1px solid var(--border);
    border-radius:var(--r-mid);padding:2px 16px 8px;box-shadow:var(--sh-1);
  }
  .toc-mobile summary{
    list-style:none;cursor:pointer;padding:13px 0;
    display:flex;align-items:center;justify-content:space-between;
    font-weight:700;color:var(--ink);font-size:.9375rem;
  }
  .toc-mobile summary::-webkit-details-marker{display:none;}
  .toc-mobile summary::after{content:"+";color:var(--brand-2);font-size:1.25rem;line-height:1;font-weight:700;}
  .toc-mobile[open] summary::after{content:"–";}
  .toc-mobile ol{padding:4px 0 10px;border-top:1px dashed var(--border);}
  .toc-mobile li{margin-top:4px;}
  .toc-mobile a{display:block;font-size:.875rem;line-height:1.7;color:var(--ink-soft);padding:6px 8px;border-radius:10px;}
  .toc-mobile a:hover{background:var(--bg-alt);color:var(--ink);}
  .toc-mobile .lvl-3 a{padding-left:22px;font-size:.8125rem;}

  /* 正文排版 */
  .article-body{margin-top:30px;font-size:1rem;line-height:1.9;color:var(--ink-soft);}
  .article-body > * + *{margin-top:1.1em;}
  .article-body p{margin:1.1em 0 0;}
  .article-body h2{
    position:relative;margin-top:2.2em;padding-left:14px;
    font-size:clamp(1.25rem,2vw,1.5rem);font-weight:700;line-height:1.4;color:var(--ink);
    scroll-margin-top:96px;
  }
  .article-body h2::before{
    content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:4px;background:var(--grad);
  }
  .article-body h3{
    margin-top:1.8em;font-size:1.125rem;font-weight:700;line-height:1.5;color:var(--ink);
    scroll-margin-top:96px;
  }
  .article-body h4{margin-top:1.5em;font-size:1rem;font-weight:700;color:var(--ink);}
  .article-body ul,.article-body ol{margin:1.1em 0 0;padding-left:1.2em;}
  .article-body ul li{list-style:disc;}
  .article-body ol li{list-style:decimal;}
  .article-body li{margin-top:.55em;line-height:1.8;}
  .article-body li::marker{color:var(--brand-1);}
  .article-body blockquote{
    position:relative;margin:1.4em 0;padding:16px 20px 16px 26px;
    background:var(--bg-alt);border-radius:14px;color:var(--ink);
  }
  .article-body blockquote::before{
    content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:4px;background:var(--grad);
  }
  .article-body img{border-radius:18px;margin:1.5em auto;height:auto;}
  .article-body a{
    color:var(--ink);font-weight:600;
    box-shadow:inset 0 -2px 0 0 rgba(255,107,53,.55);
    transition:box-shadow .22s ease,color .22s ease;
  }
  .article-body a:hover{box-shadow:inset 0 -2px 0 0 var(--brand-2);color:var(--brand-2);}
  .article-body strong{color:var(--ink);font-weight:700;}
  .article-body table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:.9375rem;}
  .article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--border);text-align:left;}
  .article-body th{background:var(--bg-alt);color:var(--ink);font-weight:700;}
  .article-body hr{border:0;border-top:1px solid var(--border);margin:2em 0;}

  .empty-article{
    margin-top:32px;padding:40px 26px;text-align:center;
    background:var(--surface);border:1px dashed var(--border);border-radius:var(--r-big);
  }
  .empty-article i{font-size:1.75rem;color:var(--brand-1);}
  .empty-article h2{margin-top:14px;font-size:1.25rem;color:var(--ink);}
  .empty-article p{margin-top:10px;font-size:.9375rem;color:var(--ink-soft);}
  .empty-article .btn{margin-top:22px;}

  .article-actions{
    display:flex;flex-wrap:wrap;gap:12px;
    margin-top:44px;padding-top:26px;border-top:1px solid var(--border);
  }

  /* 侧边目录 */
  .article-toc{display:none;}
  .toc-card{
    background:var(--surface);border:1px solid var(--border);
    border-radius:var(--r-mid);padding:20px;box-shadow:var(--sh-1);
  }
  .toc-title{
    display:flex;align-items:center;gap:8px;
    font-size:.9375rem;font-weight:700;color:var(--ink);
    padding-bottom:12px;border-bottom:1px solid var(--border);
  }
  .toc-title i{color:var(--brand-1);font-size:.8125rem;}
  .toc-card ol{margin-top:12px;max-height:calc(100vh - 240px);overflow:auto;}
  .toc-card li{margin-top:4px;}
  .toc-card a{
    display:block;padding:7px 10px;border-radius:10px;
    font-size:.875rem;line-height:1.6;color:var(--ink-soft);
    transition:background-color .2s ease,color .2s ease;
  }
  .toc-card a:hover{background:var(--bg-alt);color:var(--ink);}
  .toc-card a.is-current{background:var(--bg-alt);color:var(--brand-2);font-weight:700;}
  .toc-card .lvl-3 a{padding-left:22px;font-size:.8125rem;}

  /* ---------- 相关推荐 ---------- */
  .related{padding:64px 0;background:var(--bg-alt);border-top:1px solid var(--border);}
  .section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:28px;}
  .section-head h2{font-size:clamp(1.4rem,2.6vw,1.9rem);font-weight:700;line-height:1.3;}
  .section-head .eyebrow{
    display:inline-flex;align-items:center;gap:7px;
    font-size:.75rem;font-weight:700;letter-spacing:.06em;color:var(--brand-2);
    padding:5px 12px;border-radius:var(--r-pill);background:rgba(255,45,107,.09);
    margin-bottom:12px;
  }
  .section-head p{margin-top:10px;font-size:.9375rem;color:var(--ink-soft);max-width:620px;}
  .section-head .text-link{font-weight:700;color:var(--ink);display:inline-flex;align-items:center;gap:6px;}
  .section-head .text-link:hover{color:var(--brand-2);}
  .section-head .text-link i{font-size:.75rem;}

  .related-grid{display:grid;grid-template-columns:1fr;gap:22px;}
  .related-card{
    display:flex;flex-direction:column;overflow:hidden;
    background:#fff;border:1px solid var(--border);border-radius:var(--r-mid);
    transition:transform .22s var(--ease),box-shadow .22s ease,border-color .22s ease;
  }
  .related-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#F6CFC0;}
  .related-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
  .related-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1 1 auto;}
  .related-card .chip{
    align-self:flex-start;padding:4px 11px;border-radius:var(--r-pill);
    background:var(--bg-alt);color:var(--brand-2);font-size:.6875rem;font-weight:700;letter-spacing:.04em;
  }
  .related-body h3{margin-top:12px;font-size:1.0625rem;line-height:1.5;color:var(--ink);}
  .related-body p{margin-top:9px;font-size:.9375rem;line-height:1.75;color:var(--ink-soft);}
  .related-meta{
    margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;
    font-size:.8125rem;color:var(--ink-mute);
  }
  .related-meta .go{font-weight:700;color:var(--brand-1);}

  /* ---------- CTA ---------- */
  .cta-section{padding:0 0 80px;background:var(--bg-alt);}
  .cta-section .inner{padding-top:64px;}
  .cta-light{
    position:relative;overflow:hidden;
    border-radius:32px;border:1px solid #F6DDD0;
    background:linear-gradient(135deg,#FFF2E8 0%,#FFE5EE 100%);
    padding:40px 26px;
    display:grid;gap:26px;
  }
  .cta-light::after{
    content:"";position:absolute;right:-90px;bottom:-110px;width:280px;height:280px;border-radius:50%;
    background:radial-gradient(circle,rgba(255,45,107,.18),rgba(255,45,107,0) 68%);
    pointer-events:none;
  }
  .cta-light h2{font-size:clamp(1.4rem,2.6vw,2rem);line-height:1.3;font-weight:800;}
  .cta-light p{margin-top:14px;font-size:.9688rem;line-height:1.85;color:var(--ink-soft);max-width:560px;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1;}
  .cta-points{display:flex;flex-direction:column;gap:12px;position:relative;z-index:1;}
  .cta-point{
    display:flex;align-items:flex-start;gap:12px;
    background:rgba(255,255,255,.85);border:1px solid var(--border);
    border-radius:var(--r-mid);padding:14px 16px;
  }
  .cta-point i{
    width:26px;height:26px;flex:0 0 26px;border-radius:8px;
    display:inline-flex;align-items:center;justify-content:center;
    background:var(--accent);color:var(--ink);font-size:.75rem;margin-top:3px;
  }
  .cta-point strong{display:block;color:var(--ink);font-size:.9375rem;}
  .cta-point span{display:block;margin-top:3px;font-size:.8125rem;line-height:1.7;color:var(--ink-soft);}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:60px 0 26px;}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:34px;}
  .footer-brand .logo{color:#fff;}
  .footer-brand p{margin-top:16px;font-size:.9375rem;line-height:1.85;max-width:360px;color:rgba(255,255,255,.72);}
  .footer-contact{margin-top:18px;display:flex;flex-direction:column;gap:9px;font-size:.875rem;}
  .footer-contact span{display:inline-flex;align-items:center;gap:9px;}
  .footer-contact i{color:var(--brand-1);}
  .footer-col h4{color:#fff;font-size:.9375rem;font-weight:700;margin-bottom:14px;}
  .footer-col li{margin-top:10px;}
  .footer-col a{
    font-size:.9375rem;color:rgba(255,255,255,.72);
    box-shadow:inset 0 -2px 0 0 transparent;
    transition:color .22s ease,box-shadow .22s ease;
  }
  .footer-col a:hover{color:#fff;box-shadow:inset 0 -2px 0 0 var(--brand-1);}
  .footer-bottom{
    margin-top:42px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
    display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;
    font-size:.75rem;color:rgba(255,255,255,.6);
  }

  /* ---------- 响应式 ---------- */
  @media (max-width:1023px){
    body{padding-bottom:76px;}
  }
  @media (min-width:640px){
    .related-grid{grid-template-columns:repeat(2,1fr);}
    .cta-light{padding:48px 36px;}
  }
  @media (min-width:768px){
    .footer-grid{grid-template-columns:repeat(2,1fr);}
  }
  @media (min-width:1024px){
    .container{padding:0 32px;}
    .nav-main{display:flex;align-items:center;gap:4px;}
    .header-actions .btn-ghost{display:inline-flex;}
    .menu-toggle{display:none;}
    .drawer{display:none !important;}
    .mobile-tabs{display:none;}
    .article-layout{grid-template-columns:minmax(0,1fr) 288px;gap:48px;}
    .article-toc{display:block;position:sticky;top:96px;}
    .toc-mobile{display:none;}
    .article-main{max-width:780px;}
    .related-grid{grid-template-columns:repeat(3,1fr);}
    .related-card:nth-child(2){transform:translateY(18px);}
    .related-card:nth-child(2):hover{transform:translateY(14px);}
    .footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
    .cta-light{grid-template-columns:1.35fr .9fr;align-items:center;padding:56px 52px;}
  }
  @media (min-width:1280px){
    .article-layout{grid-template-columns:minmax(0,1fr) 300px;}
  }
  @media (prefers-reduced-motion:reduce){
    *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
  }

/* roulang page: category2 */
:root{
    --brand-1:#FF6B35;
    --brand-2:#FF2D6B;
    --brand-grad:linear-gradient(135deg,#FF6B35 0%,#FF2D6B 100%);
    --accent:#D8F14B;
    --ink:#1B1512;
    --ink-soft:#5A4E49;
    --bg:#FFF7F1;
    --bg-alt:#FFEDE2;
    --surface:#FFFFFF;
    --border:#F0E2D8;
    --r-lg:28px;
    --r-md:18px;
    --r-sm:12px;
    --r-pill:999px;
    --sh-1:0 2px 8px rgba(27,21,18,.04);
    --sh-2:0 18px 40px -18px rgba(255,45,107,.28);
    --ease:cubic-bezier(.2,.8,.2,1);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
    background:var(--bg);
    color:var(--ink-soft);
    font-size:1rem;
    line-height:1.9;
    letter-spacing:0;
    padding-bottom:76px;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font:inherit;}
  h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.02em;}
  p{margin:0;}
  ul{margin:0;padding:0;list-style:none;}
  .tnum{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
  ::selection{background:rgba(255,45,107,.16);}
  :focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}

  /* ---------- Header ---------- */
  .site-header{
    position:sticky;top:0;z-index:50;
    background:rgba(255,255,255,.97);
    border-bottom:1px solid var(--border);
    transition:box-shadow .22s var(--ease);
  }
  .site-header.is-scrolled{box-shadow:var(--sh-1);}
  .header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:56px;}
  .logo{display:inline-flex;align-items:baseline;gap:8px;font-size:18px;font-weight:800;color:var(--ink);white-space:nowrap;}
  .logo-mark{letter-spacing:-.02em;}
  .logo-key{
    background:var(--brand-grad);
    -webkit-background-clip:text;background-clip:text;
    color:transparent;
    font-weight:800;
  }
  .nav-main{display:none;}
  .nav-link{
    position:relative;display:inline-flex;align-items:center;
    padding:10px 14px;border-radius:var(--r-sm);
    font-size:15px;font-weight:600;color:var(--ink-soft);
    transition:color .2s var(--ease),background-color .2s var(--ease);
  }
  .nav-link::after{
    content:"";position:absolute;left:14px;right:14px;bottom:4px;height:3px;border-radius:3px;
    background:var(--brand-grad);transform:scaleX(0);transform-origin:left;
    transition:transform .24s var(--ease);
  }
  .nav-link:hover{color:var(--ink);background:var(--bg-alt);}
  .nav-link.is-active{color:var(--ink);}
  .nav-link.is-active::after{transform:scaleX(1);}
  .header-actions{display:flex;align-items:center;gap:10px;}
  .nav-toggle{
    display:inline-flex;align-items:center;justify-content:center;
    width:42px;height:42px;border-radius:var(--r-sm);
    background:#fff;border:1px solid var(--border);color:var(--ink);
    cursor:pointer;transition:border-color .2s var(--ease),background-color .2s var(--ease);
  }
  .nav-toggle:hover{border-color:var(--brand-1);background:var(--bg-alt);}

  /* ---------- Buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:var(--r-pill);font-weight:700;line-height:1.2;
    border:1px solid transparent;cursor:pointer;
    transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-position .32s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
  }
  .btn-primary{
    background-image:var(--brand-grad);background-size:170% 170%;background-position:0% 50%;
    color:#fff;padding:14px 28px;box-shadow:0 10px 24px -14px rgba(255,45,107,.6);
  }
  .btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh-2);background-position:100% 50%;}
  .btn-primary:active{transform:translateY(0) scale(.98);}
  .btn-ghost{
    background:#fff;border:1px solid var(--border);color:var(--ink);padding:13px 26px;
  }
  .btn-ghost:hover{border-color:var(--brand-1);background:var(--bg-alt);transform:translateY(-2px);}
  .btn-ghost:active{transform:translateY(0) scale(.98);}
  .btn-sm{padding:10px 20px;font-size:14px;}
  .header-cta{display:none;}

  .link-arrow{
    display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--ink);
    position:relative;padding-bottom:2px;
  }
  .link-arrow::after{
    content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
    background:var(--brand-grad);transform:scaleX(0);transform-origin:left;
    transition:transform .24s var(--ease);
  }
  .link-arrow:hover::after{transform:scaleX(1);}
  .link-arrow i{transition:transform .24s var(--ease);}
  .link-arrow:hover i{transform:translateX(3px);}

  /* ---------- Drawer ---------- */
  .drawer-backdrop{
    position:fixed;inset:0;z-index:70;background:rgba(27,21,18,.42);
    opacity:0;pointer-events:none;transition:opacity .28s var(--ease);
  }
  .drawer-backdrop.is-open{opacity:1;pointer-events:auto;}
  .drawer{
    position:fixed;top:0;right:0;bottom:0;z-index:80;
    width:min(320px,86vw);background:#fff;padding:22px 18px;
    box-shadow:-12px 0 32px rgba(27,21,18,.12);
    transform:translateX(102%);transition:transform .28s var(--ease);
    overflow-y:auto;
  }
  .drawer.is-open{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
  .drawer-title{font-size:15px;font-weight:800;color:var(--ink);}
  .drawer-close{
    width:38px;height:38px;border-radius:var(--r-sm);border:1px solid var(--border);
    background:#fff;color:var(--ink);cursor:pointer;
  }
  .drawer-link{
    position:relative;display:flex;align-items:center;height:52px;padding:0 14px;
    border-radius:var(--r-sm);font-weight:600;color:var(--ink);
    transition:background-color .2s var(--ease),color .2s var(--ease);
  }
  .drawer-link:hover{background:var(--bg-alt);}
  .drawer-link.is-active{color:var(--brand-1);}
  .drawer-link.is-active::before{
    content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:3px;
    background:var(--brand-grad);
  }
  .drawer-cta{margin-top:18px;display:flex;flex-direction:column;gap:10px;}

  /* ---------- Hero banner ---------- */
  .cat-hero{
    position:relative;overflow:hidden;
    background:linear-gradient(135deg,rgba(255,107,53,.16) 0%,rgba(255,45,107,.14) 52%,rgba(216,241,75,.20) 100%);
    border-bottom:1px solid var(--border);
  }
  .cat-hero::before{
    content:"";position:absolute;top:-140px;right:-80px;width:420px;height:420px;
    background:radial-gradient(circle,rgba(255,45,107,.20) 0%,rgba(255,45,107,0) 70%);
    pointer-events:none;
  }
  .cat-hero::after{
    content:"";position:absolute;bottom:-160px;left:-90px;width:380px;height:380px;
    background:radial-gradient(circle,rgba(255,107,53,.18) 0%,rgba(255,107,53,0) 70%);
    pointer-events:none;
  }
  .cat-hero-inner{
    position:relative;z-index:2;
    display:flex;flex-direction:column;align-items:flex-start;gap:22px;
    padding:44px 0 40px;
  }
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    padding:6px 14px;border-radius:var(--r-pill);
    background:rgba(255,255,255,.82);border:1px solid var(--border);
    font-size:12.5px;font-weight:700;letter-spacing:.04em;color:var(--ink);
  }
  .eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--brand-grad);}
  .cat-hero h1{
    font-size:clamp(2rem,5vw,3.25rem);font-weight:800;line-height:1.15;
    letter-spacing:-.02em;margin:14px 0 12px;max-width:19ch;
  }
  .cat-hero-sub{max-width:560px;font-size:1rem;line-height:1.85;color:var(--ink-soft);}
  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-soft);}
  .breadcrumb a{color:var(--ink);font-weight:600;position:relative;padding-bottom:1px;}
  .breadcrumb a::after{
    content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
    background:var(--brand-grad);transform:scaleX(0);transform-origin:left;
    transition:transform .24s var(--ease);
  }
  .breadcrumb a:hover::after{transform:scaleX(1);}
  .breadcrumb .sep{opacity:.5;}
  .breadcrumb .current{color:var(--ink-soft);}

  /* ---------- Section basics ---------- */
  .section{padding:56px 0;}
  .section-alt{background:var(--bg-alt);border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
  .section-head{max-width:720px;margin-bottom:28px;}
  .section-head h2{font-size:clamp(1.5rem,3vw,2.1rem);font-weight:700;line-height:1.3;margin-bottom:10px;}
  .section-head p{font-size:15px;color:var(--ink-soft);}
  .kicker{
    display:inline-block;margin-bottom:12px;font-size:12px;font-weight:700;
    letter-spacing:.08em;color:var(--brand-2);text-transform:uppercase;
  }

  /* ---------- Stats ---------- */
  .stat-strip{
    display:grid;grid-template-columns:1fr;gap:14px;margin-top:-32px;position:relative;z-index:5;
  }
  .stat{
    background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);
    padding:22px 20px;box-shadow:var(--sh-1);text-align:center;
  }
  .stat .num{
    display:block;font-size:1.75rem;font-weight:800;line-height:1.2;
    background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  }
  .stat .label{display:block;margin-top:6px;font-size:12.5px;font-weight:600;color:var(--ink-soft);}
  .stat.is-accent{background:var(--accent);border-color:var(--accent);}
  .stat.is-accent .num{background:none;color:var(--ink);-webkit-text-fill-color:var(--ink);}
  .stat.is-accent .label{color:var(--ink);}

  /* ---------- Timeline ---------- */
  .timeline{position:relative;margin-top:8px;padding-left:26px;}
  .timeline::before{
    content:"";position:absolute;left:7px;top:10px;bottom:24px;width:2px;border-radius:2px;
    background:var(--brand-grad);opacity:.85;
  }
  .tl-item{position:relative;padding-bottom:30px;}
  .tl-item:last-child{padding-bottom:0;}
  .tl-item::before{
    content:"";position:absolute;left:-26px;top:7px;width:14px;height:14px;border-radius:50%;
    background:#fff;border:3px solid var(--brand-1);
    box-shadow:0 0 0 4px rgba(255,107,53,.14);
  }
  .tl-item h3{font-size:1.125rem;font-weight:700;line-height:1.45;margin-bottom:8px;}
  .tl-item p{font-size:15px;line-height:1.85;}
  .tl-tag{
    display:inline-block;margin-bottom:10px;padding:4px 12px;border-radius:var(--r-pill);
    background:var(--bg-alt);border:1px solid var(--border);
    font-size:12px;font-weight:700;color:var(--ink);
  }

  /* ---------- Wide cards ---------- */
  .wcard{
    display:grid;grid-template-columns:1fr;overflow:hidden;
    border-radius:var(--r-lg);border:1px solid var(--border);
    background:var(--surface);box-shadow:var(--sh-1);margin-bottom:24px;
    transition:transform .24s var(--ease),box-shadow .24s var(--ease);
  }
  .wcard:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
  .wcard:last-child{margin-bottom:0;}
  .wcard-media{overflow:hidden;background:var(--bg-alt);}
  .wcard-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10;transition:transform .4s var(--ease);}
  .wcard:hover .wcard-media img{transform:scale(1.03);}
  .wcard-body{padding:28px 24px;}
  .wcard-body .wtag{
    display:inline-block;margin-bottom:14px;padding:5px 13px;border-radius:var(--r-pill);
    background:var(--bg-alt);border:1px solid var(--border);
    font-size:12px;font-weight:700;color:var(--ink);
  }
  .wcard-body h3{font-size:1.3rem;font-weight:700;line-height:1.4;margin-bottom:12px;}
  .wcard-body p{font-size:15px;line-height:1.85;}
  .wcard-list{margin-top:16px;display:grid;gap:10px;}
  .wcard-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--ink-soft);}
  .wcard-list li i{color:var(--brand-1);margin-top:6px;font-size:12px;}
  .wcard.is-dark{background:var(--ink);border-color:rgba(255,255,255,.12);}
  .wcard.is-dark h3{color:#fff;}
  .wcard.is-dark .wcard-body p,
  .wcard.is-dark .wcard-list li{color:rgba(255,255,255,.72);}
  .wcard.is-dark .wtag{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.16);color:#fff;}
  .wcard.is-dark .wcard-list li i{color:var(--accent);}

  /* ---------- Q cards ---------- */
  .q-grid{display:grid;grid-template-columns:1fr;gap:20px;margin-top:8px;}
  .q-card{
    background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);
    padding:24px 22px;transition:background-color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
  }
  .q-card:hover{background:var(--bg-alt);border-color:#E9D6C8;transform:translateY(-3px);}
  .q-card .q-mark{
    display:inline-flex;align-items:center;justify-content:center;
    min-width:30px;height:30px;padding:0 10px;border-radius:var(--r-pill);
    background-image:var(--brand-grad);color:#fff;font-size:12px;font-weight:800;margin-bottom:14px;
  }
  .q-card h3{font-size:1.0625rem;font-weight:700;line-height:1.5;margin-bottom:8px;}
  .q-card p{font-size:14.5px;line-height:1.85;}

  /* ---------- CTA ---------- */
  .cta-wrap{padding:56px 0;}
  .cta-light{
    position:relative;overflow:hidden;border-radius:32px;padding:36px 24px;
    background-color:var(--bg-alt);
    border:1px solid transparent;
    background-image:linear-gradient(#FFEDE2,#FFEDE2),var(--brand-grad);
    background-origin:border-box;background-clip:padding-box,border-box;
  }
  .cta-light::after{
    content:"";position:absolute;right:-70px;top:-70px;width:280px;height:280px;
    background:radial-gradient(circle,rgba(255,45,107,.16) 0%,rgba(255,45,107,0) 70%);
    pointer-events:none;
  }
  .cta-inner{position:relative;z-index:2;display:flex;flex-direction:column;gap:18px;align-items:flex-start;}
  .cta-inner h2{font-size:clamp(1.4rem,3vw,2rem);font-weight:800;line-height:1.3;}
  .cta-inner p{font-size:15px;color:var(--ink-soft);max-width:52ch;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

  /* ---------- Footer ---------- */
  .site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:52px 0 22px;}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:30px;}
  .footer-brand .logo{color:#fff;font-size:18px;}
  .footer-brand p{font-size:14px;line-height:1.9;margin:14px 0 16px;max-width:38ch;}
  .footer-contact{display:grid;gap:8px;font-size:13.5px;}
  .footer-contact span{display:flex;align-items:center;gap:8px;}
  .footer-contact i{color:var(--accent);}
  .footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;}
  .footer-col li{margin-bottom:10px;}
  .footer-col a{
    position:relative;font-size:14px;color:rgba(255,255,255,.72);padding-bottom:2px;
    transition:color .2s var(--ease);
  }
  .footer-col a::after{
    content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
    background:var(--brand-grad);transform:scaleX(0);transform-origin:left;
    transition:transform .24s var(--ease);
  }
  .footer-col a:hover{color:#fff;}
  .footer-col a:hover::after{transform:scaleX(1);}
  .footer-bottom{
    margin-top:34px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);
    display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;font-size:12px;
  }

  /* ---------- Mobile tab bar ---------- */
  .tabbar{
    position:fixed;left:0;right:0;bottom:0;z-index:60;display:flex;
    background:#fff;border-top:1px solid var(--border);
    box-shadow:0 -6px 20px rgba(27,21,18,.06);
    padding-bottom:env(safe-area-inset-bottom);
  }
  .tab-item{
    position:relative;flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;
    gap:3px;height:60px;font-size:11px;font-weight:600;color:var(--ink-soft);
    transition:color .2s var(--ease);
  }
  .tab-item i{font-size:21px;line-height:1;}
  .tab-item.is-active{color:var(--brand-1);}
  .tab-item.is-active::before{
    content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
    width:26px;height:3px;border-radius:3px;background:var(--brand-grad);
  }

  @media (min-width:640px){
    .stat-strip{grid-template-columns:repeat(3,1fr);}
    .q-grid{grid-template-columns:repeat(2,1fr);}
    .footer-grid{grid-template-columns:repeat(2,1fr);}
  }
  @media (min-width:768px){
    body{font-size:1rem;}
    .section{padding:72px 0;}
    .wcard{grid-template-columns:3fr 2fr;}
    .wcard.is-reverse{grid-template-columns:2fr 3fr;}
    .wcard.is-reverse .wcard-media{order:2;}
    .wcard-body{padding:36px 32px;display:flex;flex-direction:column;justify-content:center;}
    .cta-light{padding:48px 44px;}
    .header-cta{display:inline-flex;}
  }
  @media (min-width:1024px){
    body{padding-bottom:0;}
    .container{padding:0 32px;}
    .header-inner{height:72px;}
    .nav-main{display:flex;align-items:center;gap:4px;}
    .nav-toggle{display:none;}
    .tabbar{display:none;}
    .cat-hero-inner{
      flex-direction:row;align-items:flex-end;justify-content:space-between;
      gap:40px;padding:64px 0 52px;
    }
    .cat-hero-content{max-width:640px;}
    .breadcrumb{justify-content:flex-end;white-space:nowrap;padding-bottom:6px;}
    .section{padding:84px 0;}
    .timeline{padding-left:34px;}
    .timeline::before{left:9px;}
    .tl-item::before{left:-34px;}
    .footer-grid{grid-template-columns:2fr 1fr 1fr 1fr;gap:36px;}
  }
  @media (prefers-reduced-motion:reduce){
    *{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important;}
    .wcard:hover{transform:none;}
  }