/* roulang page: index */
:root{
  --brand-600:#6D28D9;
  --brand-500:#8B5CF6;
  --accent-magenta:#C026D3;
  --accent-orange:#FF7A45;
  --accent-mint:#16C79A;
  --grad-brand:linear-gradient(100deg,#6D28D9 0%,#C026D3 48%,#FF7A45 100%);
  --grad-mint:linear-gradient(120deg,#16C79A 0%,#6D28D9 100%);
  --bg:#F6F3EE;
  --surface:#FFFFFF;
  --surface-2:#FBF9F5;
  --ink:#1A1523;
  --muted:#6E6678;
  --line:#E8E2D9;
  --ink-900:#150F1E;
  --shadow-1:0 2px 8px rgba(26,21,35,.06);
  --shadow-2:0 14px 34px -14px rgba(109,40,217,.25);
  --r-sm:14px;
  --r-md:20px;
  --r-lg:24px;
  --r-xl:28px;
  --r-pill:999px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
  --bs-primary:#6D28D9;
  --bs-primary-rgb:109,40,217;
  --bs-body-font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --bs-body-color:#1A1523;
  --bs-body-bg:#F6F3EE;
  --bs-border-color:#E8E2D9;
  --bs-border-radius:20px;
  --bs-link-color:#6D28D9;
  --bs-link-hover-color:#C026D3;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-600);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--accent-magenta)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent-mint);outline-offset:2px;border-radius:6px}
.container-xx{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-tight{padding:64px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.06em;
  color:var(--brand-600);background:rgba(139,92,246,.1);
  border-radius:var(--r-pill);padding:6px 14px;margin-bottom:16px;
}
.sec-title{font-size:clamp(22px,2.6vw,32px);line-height:1.3;font-weight:700;letter-spacing:-.01em}
.sec-sub{color:var(--muted);font-size:15px;max-width:660px;margin-top:12px;line-height:1.85}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:40px}
.grad-line{height:1px;background:var(--grad-brand);opacity:.6;border:0;margin:0}

/* ---------- 公告条 ---------- */
.notice-bar{
  background:var(--ink-900);color:rgba(255,255,255,.86);
  font-size:13.5px;position:relative;z-index:1040;
}
.notice-bar .inner{
  display:flex;align-items:center;justify-content:center;gap:10px;
  min-height:40px;padding:6px 52px 6px 16px;text-align:center;
}
.notice-bar i.dot{color:var(--accent-mint)}
.notice-close{
  position:absolute;right:14px;top:50%;transform:translateY(-50%);
  background:transparent;border:0;color:rgba(255,255,255,.6);
  width:28px;height:28px;border-radius:50%;line-height:1;cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.notice-close:hover{background:rgba(255,255,255,.12);color:#fff}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(246,243,238,.92);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease),background .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 28px -18px rgba(26,21,35,.35);background:rgba(246,243,238,.97)}
.header-inner{display:flex;align-items:center;gap:24px;min-height:76px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  width:42px;height:42px;border-radius:14px;background:var(--grad-brand);
  display:grid;place-items:center;color:#fff;font-size:18px;
  box-shadow:var(--shadow-2);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:16.5px;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
.brand-tag{font-size:11.5px;color:var(--muted);letter-spacing:.04em}
.nav-chips{
  flex:1 1 auto;display:flex;align-items:center;gap:10px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
  padding:6px 2px;margin:0 auto;
}
.nav-chips::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:7px;
  height:40px;padding:0 18px;border-radius:var(--r-pill);
  background:var(--surface);border:1px solid var(--line);
  color:var(--ink);font-size:14.5px;font-weight:600;white-space:nowrap;
  transition:all .22s var(--ease);
}
.chip:hover{color:var(--brand-600);border-color:rgba(109,40,217,.45);transform:translateY(-1px)}
.chip.active{
  background:var(--grad-brand);color:#fff;border-color:transparent;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.28),0 10px 22px -12px rgba(192,38,211,.7);
}
.chip.active:hover{color:#fff}
.header-cta{flex:0 0 auto}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:var(--r-pill);border:0;
  background:var(--grad-brand);background-size:160% 100%;background-position:0% 50%;
  color:#fff;font-size:15px;font-weight:700;letter-spacing:.01em;
  box-shadow:var(--shadow-2);cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-position .5s var(--ease);
}
.btn-main:hover{color:#fff;transform:translateY(-2px);background-position:100% 50%;box-shadow:0 18px 38px -16px rgba(255,122,69,.6)}
.btn-main:active{transform:translateY(-1px)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 24px;border-radius:var(--r-pill);
  background:var(--surface);border:1.5px solid var(--line);color:var(--ink);
  font-size:15px;font-weight:700;cursor:pointer;
  transition:all .22s var(--ease);
}
.btn-ghost:hover{border-color:var(--brand-600);color:var(--brand-600);background:var(--surface-2);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(-1px)}
.btn-quiet{
  display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;
  color:var(--brand-600);background:none;border:0;padding:0;cursor:pointer;
}
.btn-quiet i{transition:transform .22s var(--ease)}
.btn-quiet:hover i{transform:translateX(3px)}
.link-more{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;color:var(--brand-600)}
.link-more i{transition:transform .22s var(--ease)}
.link-more:hover i{transform:translateX(3px)}

/* ---------- Hero ---------- */
.hero{padding:56px 0 64px;position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:var(--grad-brand);opacity:.6;
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero h1{
  font-size:clamp(28px,4.2vw,46px);line-height:1.2;font-weight:800;
  letter-spacing:-.01em;margin-bottom:18px;
}
.hero h1 .hl{
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.hero-lead{font-size:17px;color:var(--muted);max-width:560px;line-height:1.9}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--surface);border:1px solid var(--line);
  font-size:13px;font-weight:600;color:var(--muted);
}
.tag i{color:var(--accent-mint);font-size:12px}
.hero-visual{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  background:var(--ink-900);min-height:400px;
  box-shadow:0 30px 60px -30px rgba(21,15,30,.55);
}
.hero-visual img{width:100%;height:100%;min-height:400px;object-fit:cover;opacity:.62}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(150deg,rgba(109,40,217,.55) 0%,rgba(192,38,211,.28) 45%,rgba(21,15,30,.72) 100%);
}
.hero-visual-card{
  position:absolute;left:22px;bottom:22px;right:22px;z-index:2;
  background:rgba(21,15,30,.72);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-lg);padding:18px 20px;color:#fff;
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
}
.hero-visual-card .t{font-size:14px;font-weight:700;margin-bottom:6px}
.hero-visual-card .d{font-size:13px;color:rgba(255,255,255,.7);line-height:1.7}
.hero-float{
  position:absolute;top:20px;right:20px;z-index:2;
  background:rgba(255,255,255,.94);border-radius:var(--r-md);padding:12px 16px;
  box-shadow:var(--shadow-1);text-align:center;
}
.hero-float .n{font-size:20px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--brand-600);line-height:1.2}
.hero-float .l{font-size:11.5px;color:var(--muted)}

/* ---------- 数据徽章 ---------- */
.stats-band{padding:0 0 20px}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat{
  position:relative;border-radius:var(--r-md);padding:20px 22px;
  background:var(--ink-900);color:#fff;overflow:hidden;
}
.stat::before{
  content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;
  background:var(--grad-brand);opacity:.65;
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;
}
.stat .n{font-size:26px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1.15}
.stat .n span{font-size:14px;font-weight:600;margin-left:2px;color:rgba(255,255,255,.7)}
.stat .l{font-size:13px;color:rgba(255,255,255,.68);margin-top:6px}

/* ---------- 步骤卡 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative}
.step-card{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:26px 24px;box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.step-card::before{
  content:"";position:absolute;top:0;left:24px;right:24px;height:3px;border-radius:0 0 6px 6px;
  background:var(--grad-brand);opacity:.35;transition:opacity .2s var(--ease);
}
.step-card:hover::before{opacity:1}
.step-num{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  background:var(--grad-brand);color:#fff;font-weight:800;font-size:15px;
  font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.step-card h3{font-size:18px;font-weight:700;margin-bottom:10px}
.step-card p{font-size:14px;color:var(--muted);line-height:1.8}

/* ---------- 非对称速览网格 ---------- */
.grid-mix{display:grid;grid-template-columns:repeat(12,1fr);gap:20px}
.card{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--grad-brand);opacity:0;transition:opacity .2s var(--ease);
}
.card:hover::before{opacity:1}
.card-media{position:relative;aspect-ratio:16/9;background:var(--surface-2);overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.card:hover .card-media img{transform:scale(1.04)}
.card-badge{
  position:absolute;top:14px;left:14px;z-index:2;
  padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(21,15,30,.78);color:#fff;font-size:12px;font-weight:600;letter-spacing:.02em;
}
.card-body{padding:24px}
.card-body h3{font-size:18px;font-weight:700;margin-bottom:10px;line-height:1.45}
.card-body p{font-size:14px;color:var(--muted);line-height:1.8}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:0 24px 22px;font-size:13px;color:var(--muted);
}
.span-8{grid-column:span 8}
.span-6{grid-column:span 6}
.span-4{grid-column:span 4}
.span-12{grid-column:span 12}
.grad-card{
  border-radius:var(--r-lg);padding:28px;color:#fff;position:relative;overflow:hidden;
  background:var(--grad-mint);box-shadow:var(--shadow-2);
  display:flex;flex-direction:column;justify-content:space-between;min-height:200px;
}
.grad-card.warm{background:var(--grad-brand)}
.grad-card .k{font-size:12.5px;font-weight:600;letter-spacing:.06em;opacity:.85}
.grad-card h3{font-size:20px;font-weight:800;margin:12px 0 8px;line-height:1.4}
.grad-card p{font-size:13.5px;color:rgba(255,255,255,.85);line-height:1.75}
.grad-card .foot{margin-top:18px;font-size:13px;font-weight:700;display:inline-flex;align-items:center;gap:8px}

/* ---------- 深色进度区 ---------- */
.progress-band{
  background:var(--ink-900);border-radius:var(--r-xl);
  padding:52px 48px;color:#fff;position:relative;overflow:hidden;
}
.progress-band::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:var(--grad-brand);opacity:.16;filter:blur(10px);
}
.progress-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;line-height:1.35;margin-bottom:14px}
.progress-band .lead{color:rgba(255,255,255,.72);font-size:15px;line-height:1.85;max-width:520px}
.progress-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;position:relative;z-index:2}
.bar-wrap{
  background:rgba(255,255,255,.1);border-radius:var(--r-pill);height:14px;overflow:hidden;
}
.bar-fill{
  height:100%;width:78%;border-radius:var(--r-pill);
  background:var(--grad-brand);background-size:200% 100%;
  animation:slide 4s linear infinite;
}
@keyframes slide{0%{background-position:0% 50%}100%{background-position:200% 50%}}
.bar-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.bar-head .t{font-size:15px;font-weight:700}
.pct{
  font-variant-numeric:tabular-nums;font-weight:800;font-size:15px;
  background:rgba(255,255,255,.14);border-radius:var(--r-pill);padding:4px 14px;
}
.nodes{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:26px}
.node{font-size:13px;color:rgba(255,255,255,.45);line-height:1.6}
.node .d{width:100%;height:4px;border-radius:4px;background:rgba(255,255,255,.14);margin-bottom:10px}
.node.done{color:rgba(255,255,255,.92)}
.node.done .d{background:var(--accent-mint)}
.node.now{color:#fff}
.node.now .d{background:var(--grad-brand)}
.check-list{margin-top:24px;display:grid;gap:12px}
.check-list li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.78);line-height:1.7}
.check-list i{color:var(--accent-mint);margin-top:5px;font-size:13px}

/* ---------- CMS 列表 ---------- */
.posts-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post-card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow-1);position:relative;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.post-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--grad-brand);opacity:0;transition:opacity .2s var(--ease);
}
.post-card:hover::before{opacity:1}
.post-media{aspect-ratio:16/9;overflow:hidden;background:var(--surface-2)}
.post-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.post-card:hover .post-media img{transform:scale(1.04)}
.post-body{padding:22px 22px 18px;flex:1 1 auto}
.post-cat{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.02em;
  color:var(--brand-600);background:rgba(139,92,246,.1);
  border-radius:var(--r-pill);padding:4px 12px;margin-bottom:12px;
}
.post-body h3{font-size:17px;font-weight:700;line-height:1.5;margin-bottom:10px}
.post-body p{font-size:13.8px;color:var(--muted);line-height:1.8}
.post-foot{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:14px 22px 20px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
.empty-state{
  grid-column:1 / -1;text-align:center;padding:56px 24px;
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--r-lg);
}
.empty-state i{font-size:28px;color:var(--brand-500);margin-bottom:14px;display:block}
.empty-state p{color:var(--muted);margin-bottom:18px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.accordion-item{
  border:1px solid var(--line)!important;border-radius:var(--r-lg)!important;
  background:var(--surface);margin-bottom:14px;overflow:hidden;
  box-shadow:var(--shadow-1);transition:box-shadow .2s var(--ease);
}
.accordion-item:hover{box-shadow:var(--shadow-2)}
.accordion-button{
  background:var(--surface)!important;color:var(--ink)!important;
  font-weight:700;font-size:16.5px;padding:22px 24px;box-shadow:none!important;
  border-radius:var(--r-lg)!important;
}
.accordion-button:not(.collapsed){color:var(--brand-600)!important}
.accordion-button::after{
  background-image:none;content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:13px;color:var(--muted);width:auto;height:auto;
  display:grid;place-items:center;transition:transform .2s var(--ease);
}
.accordion-button:not(.collapsed)::after{transform:rotate(180deg);color:var(--brand-600)}
.accordion-body{
  padding:0 24px 24px 24px;color:var(--muted);font-size:14.5px;line-height:1.9;
  border-left:3px solid transparent;
}
.accordion-button:not(.collapsed) + .accordion-body{
  border-left:3px solid transparent;
  border-image:var(--grad-brand) 1;
}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--grad-brand);background-size:180% 100%;
  border-radius:var(--r-xl);padding:44px 48px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:0 24px 50px -24px rgba(192,38,211,.55);
}
.cta-band h2{font-size:clamp(21px,2.4vw,28px);font-weight:800;line-height:1.35}
.cta-band p{color:rgba(255,255,255,.86);font-size:14.5px;margin-top:10px;max-width:560px}
.btn-light-solid{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;
  background:#fff;color:var(--brand-600);font-weight:800;font-size:15px;
  padding:13px 28px;border-radius:var(--r-pill);border:0;cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.btn-light-solid:hover{transform:translateY(-2px);box-shadow:0 16px 30px -14px rgba(0,0,0,.4);color:var(--brand-600)}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);margin-top:88px;position:relative}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad-brand)}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;padding:64px 0 44px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-mark{box-shadow:none}
.footer-name{color:#fff;font-weight:800;font-size:16.5px}
.footer-desc{font-size:13.8px;line-height:1.85;color:rgba(255,255,255,.68);max-width:320px}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:13.8px;color:rgba(255,255,255,.72)}
.footer-col a:hover{color:#fff}
.footer-contact li{display:flex;gap:10px;font-size:13.8px;margin-bottom:12px;color:rgba(255,255,255,.72)}
.footer-contact i{color:var(--accent-mint);margin-top:5px;font-size:13px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom .tech{color:rgba(255,255,255,.42)}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .header-inner{gap:16px}
  .hero-grid{gap:34px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .posts-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
  .span-8,.span-6,.span-4{grid-column:span 12}
}
@media (max-width:991.98px){
  .section{padding:64px 0}
  .hero{padding:40px 0 48px}
  .hero-visual{min-height:320px}
  .hero-visual img{min-height:320px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .progress-band{padding:40px 28px}
  .progress-grid{grid-template-columns:1fr;gap:32px}
  .posts-grid{grid-template-columns:repeat(2,1fr)}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 28px}
}
@media (max-width:767.98px){
  .container-xx{padding:0 16px}
  .nav-chips{order:3;flex-basis:100%;margin:0;padding:6px 0 10px}
  .header-inner{flex-wrap:wrap;min-height:auto;padding-top:12px;row-gap:4px}
  .header-cta .btn-main{padding:10px 18px;font-size:14px}
  .brand-tag{display:none}
  .section{padding:48px 0}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .stat{padding:16px 18px}
  .stat .n{font-size:22px}
  .steps{grid-template-columns:1fr;gap:16px}
  .posts-grid{grid-template-columns:1fr}
  .nodes{grid-template-columns:repeat(2,1fr);gap:14px}
  .footer-top{grid-template-columns:1fr;padding:44px 0 32px}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:575.98px){
  body{font-size:15px}
  .hero h1{font-size:26px}
  .card-body{padding:20px}
  .card-foot{padding:0 20px 20px}
  .accordion-button{font-size:15.5px;padding:18px}
  .progress-band{padding:32px 20px}
  .cta-band{padding:28px 20px;border-radius:var(--r-lg)}
  .btn-light-solid{width:100%;justify-content:center}
}

/* roulang page: category1 */
:root{
  --brand-600:#6D28D9;
  --brand-500:#8B5CF6;
  --accent-magenta:#C026D3;
  --accent-orange:#FF7A45;
  --accent-mint:#16C79A;
  --grad-brand:linear-gradient(100deg,#6D28D9 0%,#C026D3 48%,#FF7A45 100%);
  --grad-mint:linear-gradient(120deg,#16C79A 0%,#6D28D9 100%);
  --bg:#F6F3EE;
  --surface:#FFFFFF;
  --surface-2:#FBF9F5;
  --ink:#1A1523;
  --muted:#6E6678;
  --line:#E8E2D9;
  --ink-900:#150F1E;
  --radius-card:22px;
  --radius-lg:28px;
  --radius-img:16px;
  --radius-pill:999px;
  --shadow-1:0 2px 8px rgba(26,21,35,.06);
  --shadow-2:0 14px 34px -14px rgba(109,40,217,.25);
  --ease:cubic-bezier(.2,.7,.3,1);
  --section-y:88px;
  --bs-primary:#6D28D9;
  --bs-body-color:#1A1523;
  --bs-body-bg:#F6F3EE;
  --bs-font-sans-serif:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand-600);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--accent-magenta)}
button,input{font:inherit}
:focus-visible{outline:2px solid var(--accent-mint);outline-offset:2px}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;color:var(--ink)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}

.container-xx{max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(246,243,238,.86);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s var(--ease),border-color .25s var(--ease),background .25s var(--ease);
}
.site-header.is-scrolled{
  box-shadow:0 6px 24px -16px rgba(26,21,35,.35);
  border-bottom-color:var(--line);
  background:rgba(246,243,238,.95);
}
.header-inner{display:flex;align-items:center;gap:24px;min-height:78px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;flex-shrink:0}
.brand-mark{
  width:44px;height:44px;border-radius:14px;
  background-image:var(--grad-brand);
  color:#fff;display:grid;place-items:center;font-size:17px;
  box-shadow:var(--shadow-2);flex-shrink:0;
}
.brand-name{display:block;font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.01em;line-height:1.3}
.brand-tag{display:block;font-size:11.5px;color:var(--muted);letter-spacing:.02em;line-height:1.4}

.nav-chips{display:flex;gap:8px;margin-left:auto;overflow-x:auto;scrollbar-width:none}
.nav-chips::-webkit-scrollbar{display:none}
.chip{
  height:40px;padding:0 18px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:var(--surface);
  color:var(--ink);font-size:14.5px;font-weight:600;
  display:inline-flex;align-items:center;white-space:nowrap;text-decoration:none;
  transition:all .2s var(--ease);
}
.chip:hover{border-color:var(--brand-500);color:var(--brand-600);background:var(--surface-2)}
.chip.active{
  background-image:var(--grad-brand);color:#fff;border-color:transparent;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.28),var(--shadow-2);
}
.header-cta{margin-left:24px;flex-shrink:0}

/* ---------- buttons ---------- */
.btn-main{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 26px;border-radius:var(--radius-pill);border:0;
  background-image:var(--grad-brand);background-size:170% 100%;background-position:0 0;
  color:#fff!important;font-weight:700;font-size:15px;text-decoration:none;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-position .35s var(--ease);
}
.btn-main:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);background-position:100% 0}
.btn-main:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 24px;border-radius:var(--radius-pill);
  border:1.5px solid var(--line);background:var(--surface);
  color:var(--ink)!important;font-weight:600;font-size:15px;text-decoration:none;cursor:pointer;
  transition:all .2s var(--ease);
}
.btn-ghost:hover{border-color:var(--brand-600);background:var(--surface-2);color:var(--brand-600)!important;transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-soft{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 20px;border-radius:var(--radius-pill);
  background:rgba(109,40,217,.08);color:var(--brand-600)!important;
  font-weight:700;font-size:14px;text-decoration:none;
  transition:all .2s var(--ease);
}
.btn-soft:hover{background:rgba(109,40,217,.14)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14.5px;color:var(--brand-600)!important}
.link-arrow i{transition:transform .2s var(--ease)}
.link-arrow:hover i{transform:translateX(3px)}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:52px 0 60px;
  border-bottom:1px solid var(--line);
  background:var(--surface-2);
}
.page-hero .hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.18;
}
.page-hero .hero-tint{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(109,40,217,.12) 0%,rgba(192,38,211,.06) 48%,rgba(255,122,69,.12) 100%);
}
.page-hero .container-xx{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:18px;flex-wrap:wrap}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand-600)}
.crumb .sep{opacity:.55}
.crumb .now{color:var(--ink);font-weight:600}

.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.8);border:1px solid var(--line);
  font-size:13px;font-weight:700;color:var(--brand-600);letter-spacing:.02em;margin-bottom:18px;
}
.hero-h1{
  font-size:clamp(28px,4.2vw,46px);line-height:1.2;font-weight:800;
  letter-spacing:-.01em;max-width:900px;
}
.hero-sub{font-size:17px;color:var(--muted);max-width:720px;margin-top:16px;line-height:1.8}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}

/* ---------- sections ---------- */
.section{padding:var(--section-y) 0}
.section-tight{padding:56px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--brand-600);margin-bottom:12px;
}
.section-title{font-size:clamp(22px,2.6vw,32px);line-height:1.3}
.section-desc{margin-top:14px;color:var(--muted);font-size:16px}
.grad-line{height:1px;background-image:var(--grad-brand);opacity:.6;border:0;margin:0}

/* ---------- stat badges ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-1);position:relative;overflow:hidden;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.stat-card::after{
  content:"";position:absolute;top:-30px;right:-30px;width:100px;height:100px;
  border-radius:50%;background-image:var(--grad-brand);opacity:.12;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.stat-num{
  font-size:30px;font-weight:800;line-height:1.1;
  background-image:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums;
}
.stat-label{font-size:13px;font-weight:700;color:var(--ink);margin-top:10px;letter-spacing:.02em}
.stat-text{font-size:14px;color:var(--muted);margin-top:6px;line-height:1.7}

/* ---------- flow list ---------- */
.flow-list{display:flex;flex-direction:column;gap:24px}
.flow-item{
  display:grid;grid-template-columns:5fr 7fr;gap:36px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px;box-shadow:var(--shadow-1);position:relative;overflow:hidden;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.flow-item::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background-image:var(--grad-brand);opacity:0;transition:opacity .25s var(--ease);
}
.flow-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.flow-item:hover::before{opacity:1}
.flow-item.reverse .flow-media{order:2}
.flow-media img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:var(--radius-img);background:var(--surface-2)}
.flow-body{padding:6px 4px}
.flow-step{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.04em;
  color:var(--brand-600);background:rgba(109,40,217,.08);
  padding:5px 14px;border-radius:var(--radius-pill);margin-bottom:14px;
}
.flow-title{font-size:20px;font-weight:700;line-height:1.45}
.flow-text{margin-top:12px;color:var(--muted);font-size:15.5px;line-height:1.85}
.flow-foot{margin-top:18px}

/* ---------- dark band ---------- */
.band-dark{
  background:var(--ink-900);color:rgba(255,255,255,.78);
  border-radius:var(--radius-lg);padding:52px;
  display:grid;grid-template-columns:5fr 7fr;gap:52px;
  position:relative;overflow:hidden;
}
.band-dark::after{
  content:"";position:absolute;right:-80px;bottom:-80px;width:280px;height:280px;
  border-radius:50%;background-image:var(--grad-mint);opacity:.16;
}
.band-dark h2{color:#fff;font-size:clamp(22px,2.6vw,30px);line-height:1.35}
.band-dark p{color:rgba(255,255,255,.72);margin-top:16px;font-size:15.5px}
.progress-wrap{margin-top:26px}
.progress-top{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6);margin-bottom:10px}
.progress-track{height:10px;border-radius:var(--radius-pill);background:rgba(255,255,255,.14);overflow:hidden}
.progress-fill{height:100%;width:80%;border-radius:var(--radius-pill);background-image:var(--grad-brand)}
.progress-num{
  font-weight:800;color:#fff;font-variant-numeric:tabular-nums;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);
  padding:3px 12px;border-radius:var(--radius-pill);font-size:12.5px;
}
.check-list{position:relative;z-index:2}
.check-item{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px 0;border-bottom:1px dashed rgba(255,255,255,.16);
}
.check-item:last-child{border-bottom:0}
.check-dot{
  width:26px;height:26px;border-radius:9px;flex-shrink:0;
  display:grid;place-items:center;font-size:12px;font-weight:800;
  background-image:var(--grad-brand);color:#fff;margin-top:3px;
}
.check-item strong{color:#fff;font-size:15.5px;font-weight:700;display:block}
.check-item span{display:block;font-size:14px;color:rgba(255,255,255,.66);margin-top:4px;line-height:1.7}

/* ---------- tip cards ---------- */
.tip-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.tip-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px;box-shadow:var(--shadow-1);position:relative;overflow:hidden;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.tip-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background-image:var(--grad-brand);opacity:0;transition:opacity .25s var(--ease);
}
.tip-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.tip-card:hover::before{opacity:1}
.tip-icon{
  width:46px;height:46px;border-radius:15px;display:grid;place-items:center;
  background:rgba(109,40,217,.08);color:var(--brand-600);font-size:18px;margin-bottom:18px;
}
.tip-card h3{font-size:18px;font-weight:700}
.tip-card p{margin-top:12px;color:var(--muted);font-size:15px;line-height:1.85}
.tip-tag{
  display:inline-block;margin-top:18px;font-size:12.5px;font-weight:700;
  color:var(--muted);background:var(--surface-2);border:1px solid var(--line);
  padding:4px 12px;border-radius:var(--radius-pill);
}

/* ---------- FAQ ---------- */
.faq-accordion .accordion-item{
  border:1px solid var(--line);border-radius:var(--radius-card)!important;
  background:var(--surface);box-shadow:var(--shadow-1);
  margin-bottom:14px;overflow:hidden;
  transition:box-shadow .2s var(--ease),transform .2s var(--ease);
}
.faq-accordion .accordion-item:hover{box-shadow:var(--shadow-2)}
.faq-accordion .accordion-button{
  background:transparent;color:var(--ink);font-weight:700;font-size:16.5px;
  padding:22px 26px;border-radius:var(--radius-card)!important;
  position:relative;box-shadow:none!important;
}
.faq-accordion .accordion-button::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;
  border-radius:0 3px 3px 0;background-image:var(--grad-brand);
  opacity:0;transition:opacity .2s var(--ease);
}
.faq-accordion .accordion-button:not(.collapsed){
  background:var(--surface-2);color:var(--brand-600);
}
.faq-accordion .accordion-button:not(.collapsed)::before{opacity:1}
.faq-accordion .accordion-button::after{
  background-image:none;
  content:"\f067";
  font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:13px;color:var(--brand-600);
  display:grid;place-items:center;
  width:26px;height:26px;border-radius:9px;background-color:rgba(109,40,217,.08);
  transition:transform .25s var(--ease),background-color .25s var(--ease);
}
.faq-accordion .accordion-button:not(.collapsed)::after{
  content:"\f068";transform:rotate(180deg);background-color:rgba(192,38,211,.12);
}
.faq-accordion .accordion-body{
  padding:6px 26px 26px;color:var(--muted);font-size:15.5px;line-height:1.9;
}
.faq-accordion .accordion-body p+p{margin-top:12px}

/* ---------- CTA ---------- */
.cta-band{
  background-image:var(--grad-brand);
  border-radius:var(--radius-lg);
  padding:46px 52px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  position:relative;overflow:hidden;
  box-shadow:var(--shadow-2);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;
  border-radius:50%;background:rgba(255,255,255,.16);
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);line-height:1.35;position:relative;z-index:2}
.cta-band p{color:rgba(255,255,255,.88);margin-top:10px;font-size:15.5px;position:relative;z-index:2}
.cta-band .btn-white{
  display:inline-flex;align-items:center;gap:8px;flex-shrink:0;position:relative;z-index:2;
  padding:14px 30px;border-radius:var(--radius-pill);background:#fff;color:var(--brand-600)!important;
  font-weight:800;font-size:15px;text-decoration:none;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.cta-band .btn-white:hover{transform:translateY(-2px);box-shadow:0 16px 30px -14px rgba(21,15,30,.55)}

/* ---------- footer ---------- */
.site-footer{
  background:var(--ink-900);color:rgba(255,255,255,.72);
  margin-top:var(--section-y);padding:64px 0 28px;position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background-image:var(--grad-brand);
}
.footer-top{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-name{color:#fff;font-size:17px;font-weight:800;letter-spacing:-.01em}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.68);max-width:340px}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:.01em}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-col ul li a:hover{color:#fff}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:rgba(255,255,255,.72)}
.footer-contact li i{margin-top:5px;color:var(--accent-mint);font-size:13px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding-top:24px;font-size:13px;color:rgba(255,255,255,.5);flex-wrap:wrap;
}
.footer-bottom .tech{font-variant-numeric:tabular-nums}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .band-dark{grid-template-columns:1fr;gap:36px;padding:44px}
}
@media (max-width:991px){
  :root{--section-y:64px}
  .header-inner{flex-wrap:wrap;min-height:auto;padding:12px 0;gap:12px}
  .nav-chips{order:3;width:100%;margin-left:0;padding-bottom:4px}
  .header-cta{margin-left:auto}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .flow-item,.flow-item.reverse{grid-template-columns:1fr;gap:22px}
  .flow-item.reverse .flow-media{order:0}
  .tip-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
  .footer-desc{max-width:none}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px}
}
@media (max-width:767px){
  .container-xx{padding:0 16px}
  .page-hero{padding:36px 0 44px}
  .hero-sub{font-size:16px}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;justify-content:center}
  .band-dark{padding:32px 24px;border-radius:22px}
  .cta-band{padding:30px 24px}
  .cta-band .btn-white{width:100%;justify-content:center}
  .flow-item{padding:20px}
  .stat-card,.tip-card{padding:22px}
  .faq-accordion .accordion-button{font-size:15.5px;padding:18px 20px}
  .faq-accordion .accordion-body{padding:4px 20px 22px}
}
@media (max-width:575px){
  body{font-size:15.5px}
  .brand-tag{display:none}
  .brand-name{font-size:15.5px}
  .chip{height:36px;padding:0 14px;font-size:13.5px}
  .btn-main{padding:11px 20px;font-size:14px}
  .stat-grid{grid-template-columns:1fr 1fr;gap:12px}
  .stat-num{font-size:24px}
  .footer-top{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .section-head{margin-bottom:28px}
}

/* roulang page: article */
:root{
  --brand-600:#6D28D9;
  --brand-500:#8B5CF6;
  --magenta:#C026D3;
  --orange:#FF7A45;
  --mint:#16C79A;
  --grad-brand:linear-gradient(100deg,#6D28D9 0%,#C026D3 48%,#FF7A45 100%);
  --grad-mint:linear-gradient(120deg,#16C79A 0%,#6D28D9 100%);
  --bg:#F6F3EE;
  --surface:#FFFFFF;
  --surface-2:#FBF9F5;
  --ink:#1A1523;
  --muted:#6E6678;
  --line:#E8E2D9;
  --ink-900:#150F1E;
  --r-img:16px;
  --r-card:22px;
  --r-lg:28px;
  --r-pill:999px;
  --shadow-1:0 2px 8px rgba(26,21,35,.06);
  --shadow-2:0 14px 34px -14px rgba(109,40,217,.25);
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-body-font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --bs-body-color:#1A1523;
  --bs-border-radius:16px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover;background:var(--surface-2);border-radius:var(--r-img)}
a{color:var(--brand-600);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--orange)}
button,input{font-family:inherit}
.container-xx{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ============ 按钮 ============ */
.btn-main,
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;letter-spacing:.01em;white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-position .35s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease);
}
.btn-main{
  background:var(--grad-brand);background-size:180% 100%;background-position:0 0;
  color:#fff;border:0;box-shadow:var(--shadow-2);
}
.btn-main:hover{color:#fff;transform:translateY(-2px);background-position:100% 0;box-shadow:0 18px 38px -14px rgba(192,38,211,.45)}
.btn-main:active{transform:translateY(1px)}
.btn-ghost{
  background:transparent;color:var(--ink);border:1.5px solid var(--line);
}
.btn-ghost:hover{color:var(--brand-600);border-color:var(--brand-600);background:var(--surface-2);transform:translateY(-2px)}
.btn-main:focus-visible,.btn-ghost:focus-visible,.chip:focus-visible,a:focus-visible{
  outline:2px solid var(--mint);outline-offset:2px;
}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--brand-600)}
.link-arrow i{transition:transform .2s var(--ease)}
.link-arrow:hover i{transform:translateX(3px)}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(246,243,238,.88);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s var(--ease),border-color .25s var(--ease),background-color .25s var(--ease);
}
.site-header.scrolled{
  background:rgba(255,255,255,.92);
  border-bottom-color:var(--line);
  box-shadow:0 8px 26px -18px rgba(26,21,35,.35);
}
.header-inner{display:flex;align-items:center;gap:24px;min-height:76px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  width:42px;height:42px;border-radius:14px;flex:0 0 auto;
  background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;font-size:17px;
  box-shadow:0 10px 22px -12px rgba(109,40,217,.7);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-name{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.01em}
.brand-tag{font-size:12px;font-weight:600;color:var(--muted);letter-spacing:.02em}
.nav-chips{
  display:flex;align-items:center;gap:8px;margin-left:auto;
  overflow-x:auto;padding:4px 2px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.nav-chips::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;height:40px;padding:0 18px;
  border-radius:var(--r-pill);background:var(--surface);border:1px solid var(--line);
  color:var(--ink);font-size:14px;font-weight:600;letter-spacing:.01em;
  transition:all .2s var(--ease);
}
.chip:hover{color:var(--brand-600);border-color:var(--brand-500);transform:translateY(-1px)}
.chip.active{
  background:var(--grad-brand);color:#fff;border-color:transparent;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.18),var(--shadow-2);
}
.header-cta{margin-left:24px;flex:0 0 auto}
.header-cta .btn-main{height:42px;padding:0 22px;font-size:14px}

/* ============ 面包屑 ============ */
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--muted);padding:26px 0 0;
}
.crumbs a{color:var(--muted);font-weight:600}
.crumbs a:hover{color:var(--brand-600)}
.crumbs .sep{opacity:.55}
.crumbs .current{
  max-width:56%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--brand-600);font-weight:700;
}

/* ============ 文章头部 ============ */
.article-hero{
  padding-bottom:34px;
  background:
    radial-gradient(900px 320px at 12% -40%,rgba(139,92,246,.16),transparent 70%),
    radial-gradient(700px 300px at 92% -10%,rgba(255,122,69,.14),transparent 68%),
    linear-gradient(180deg,#FBF8F3 0%,var(--bg) 100%);
}
.article-hero .hero-envelope{
  margin-top:22px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--shadow-1);
  padding:34px 36px 30px;position:relative;overflow:hidden;
}
.article-hero .hero-envelope::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-brand);opacity:.75;
}
.article-hero .hero-envelope::after{
  content:"";position:absolute;right:-60px;top:-60px;width:200px;height:200px;border-radius:50%;
  background:var(--grad-mint);opacity:.12;pointer-events:none;
}
.cat-badge{
  display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 14px;
  border-radius:var(--r-pill);font-size:12.5px;font-weight:700;letter-spacing:.02em;
  background:rgba(109,40,217,.08);color:var(--brand-600);border:1px solid rgba(109,40,217,.16);
}
.article-hero h1{
  font-size:clamp(24px,3vw,36px);line-height:1.32;font-weight:800;letter-spacing:-.01em;
  margin:16px 0 14px;max-width:920px;
}
.meta-row{
  display:flex;flex-wrap:wrap;gap:10px 20px;align-items:center;
  font-size:13.5px;color:var(--muted);font-weight:600;
}
.meta-row span{display:inline-flex;align-items:center;gap:7px}
.meta-row i{color:var(--brand-500)}
.grad-divider{height:2px;border-radius:2px;background:var(--grad-brand);opacity:.5;margin:26px 0 0}

/* ============ 文章布局 ============ */
.article-section{padding:44px 0 8px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:44px;align-items:start}
.article-main{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);padding:36px clamp(20px,3.4vw,46px) 40px;
}
.prose{max-width:800px;font-size:16px;line-height:1.9;color:var(--ink)}
.prose > *:first-child{margin-top:0}
.prose p{margin:0 0 1.25em}
.prose h2{
  position:relative;font-size:clamp(20px,2.2vw,25px);font-weight:700;line-height:1.4;
  margin:38px 0 16px;padding-left:16px;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:4px;
  background:var(--grad-brand);
}
.prose h3{font-size:18px;font-weight:700;color:var(--brand-600);margin:26px 0 12px}
.prose ul,.prose ol{margin:0 0 1.3em;padding-left:1.2em}
.prose li{margin-bottom:.5em;line-height:1.9}
.prose blockquote{
  margin:22px 0;padding:16px 22px;background:var(--surface-2);
  border-left:3px solid transparent;border-image:var(--grad-brand) 1;
  border-radius:0 var(--r-img) var(--r-img) 0;color:#3D3547;
}
.prose img{border-radius:var(--r-img);margin:22px auto;width:100%;height:auto}
.prose figure{margin:24px 0}
.prose figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.prose table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14.5px;overflow:hidden;border-radius:var(--r-img)}
.prose thead th{background:linear-gradient(180deg,rgba(139,92,246,.12),rgba(255,122,69,.08));font-weight:700;text-align:left}
.prose th,.prose td{padding:12px 14px;border:1px solid var(--line)}
.prose tbody tr:nth-child(even){background:var(--surface-2)}
.prose a{font-weight:600;border-bottom:1px solid rgba(109,40,217,.35)}
.prose a:hover{border-bottom-color:var(--orange)}

/* ============ 侧栏 ============ */
.article-aside{position:sticky;top:100px;display:flex;flex-direction:column;gap:18px}
.aside-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--shadow-1);
}
.aside-card h4{font-size:14px;font-weight:800;letter-spacing:.04em;color:var(--muted);margin:0 0 14px}
.aside-card ul{list-style:none;padding:0;margin:0}
.aside-card li{margin-bottom:4px}
.aside-card li a{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:9px 12px;border-radius:12px;font-size:14.5px;font-weight:600;color:var(--ink);
  transition:background-color .2s var(--ease),color .2s var(--ease),padding-left .2s var(--ease);
}
.aside-card li a:hover{background:var(--surface-2);color:var(--brand-600);padding-left:16px}
.aside-card li a i{color:var(--brand-500);font-size:12px}
.aside-note{
  background:linear-gradient(160deg,rgba(109,40,217,.08),rgba(255,122,69,.08));
  border-color:rgba(109,40,217,.16);
}
.aside-note p{margin:0;font-size:14px;line-height:1.8;color:#4A4254}

/* ============ 标签行 ============ */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:34px 0 0;padding-top:24px;border-top:1px dashed var(--line)}
.tag-row .tag-label{font-size:13px;font-weight:700;color:var(--muted)}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--surface-2);border:1px solid var(--line);color:#4A4254;font-size:13px;font-weight:600;
  transition:all .2s var(--ease);
}
.tag:hover{color:var(--brand-600);border-color:var(--brand-500);background:#fff;transform:translateY(-1px)}
.back-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}

/* ============ 空态 ============ */
.empty-state{
  text-align:center;padding:60px 20px;border:1px dashed var(--line);border-radius:var(--r-card);
  background:var(--surface-2);
}
.empty-state i{font-size:34px;color:var(--brand-500);margin-bottom:14px;display:block}
.empty-state p{font-size:17px;font-weight:700;margin:0 0 18px;color:var(--ink)}

/* ============ 板块通用 ============ */
.section{padding:70px 0}
.section-head{margin-bottom:34px;max-width:760px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.06em;
  color:var(--brand-600);text-transform:uppercase;margin-bottom:12px;
}
.section-head .eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad-brand)}
.section-head h2{font-size:clamp(22px,2.6vw,32px);font-weight:800;line-height:1.3;letter-spacing:-.01em;margin:0 0 12px}
.section-head p{margin:0;color:var(--muted);font-size:15.5px}

/* ============ 相关阅读卡片 ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.post-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);position:relative;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.post-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-brand);
  opacity:0;transition:opacity .25s var(--ease);z-index:2;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(109,40,217,.22)}
.post-card:hover::before{opacity:1}
.post-card .thumb{aspect-ratio:16/9;width:100%;height:auto;border-radius:0;background:var(--surface-2)}
.post-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-body h3{font-size:17.5px;font-weight:700;line-height:1.5;margin:0}
.post-body h3 a{color:var(--ink)}
.post-body h3 a:hover{color:var(--brand-600)}
.post-body p{margin:0;font-size:14.5px;line-height:1.8;color:var(--muted)}
.post-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:13px;color:var(--muted);font-weight:600;margin-top:auto}
.post-meta .cat{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:rgba(22,199,154,.12);color:#0E8A6B;font-size:12.5px;font-weight:700;
}

/* ============ FAQ ============ */
.faq .accordion-item{
  border:1px solid var(--line);border-radius:20px !important;overflow:hidden;background:var(--surface);
  margin-bottom:14px;box-shadow:var(--shadow-1);
}
.faq .accordion-button{
  position:relative;background:var(--surface);font-size:16.5px;font-weight:700;color:var(--ink);
  padding:20px 26px 20px 26px;box-shadow:none !important;gap:14px;
}
.faq .accordion-button::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;
  background:var(--grad-brand);opacity:0;transition:opacity .22s var(--ease);
}
.faq .accordion-button:not(.collapsed){color:var(--brand-600);background:var(--surface-2)}
.faq .accordion-button:not(.collapsed)::before{opacity:1}
.faq .accordion-button::after{
  background-image:none;content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:13px;color:var(--brand-600);width:1em;height:1em;display:grid;place-items:center;
  transition:transform .22s var(--ease);margin-left:auto;transform:none;
}
.faq .accordion-button:not(.collapsed)::after{transform:rotate(180deg)}
.faq .accordion-body{padding:4px 26px 24px;color:#4A4254;font-size:15.5px;line-height:1.9}

/* ============ 底部 CTA ============ */
.cta-wrap{padding:20px 0 80px}
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  padding:48px clamp(24px,4vw,54px);
  background-image:
    linear-gradient(100deg,rgba(21,15,30,.93) 0%,rgba(109,40,217,.82) 55%,rgba(255,122,69,.72) 100%),
    url(/assets/images/backpic/back-3.webp);
  background-size:cover;background-position:center;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  color:#fff;box-shadow:var(--shadow-2);
}
.cta-band h2{font-size:clamp(21px,2.4vw,29px);font-weight:800;margin:0 0 10px;letter-spacing:-.01em;color:#fff}
.cta-band p{margin:0;color:rgba(255,255,255,.78);font-size:15px;max-width:560px}
.cta-band .btn-main{background:linear-gradient(100deg,#FF7A45 0%,#C026D3 100%);background-size:180% 100%}
.cta-band .btn-main:hover{background-position:100% 0}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink-900);color:rgba(255,255,255,.72);
  padding:64px 0 28px;position:relative;margin-top:0;
}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad-brand);opacity:.85}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:38px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-name{font-size:17px;font-weight:800;color:#fff;letter-spacing:-.01em}
.footer-desc{font-size:14.5px;line-height:1.85;margin:0;max-width:360px;color:rgba(255,255,255,.68)}
.footer-col h4{font-size:14px;font-weight:800;letter-spacing:.05em;color:#fff;margin:0 0 16px}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:14.5px;color:rgba(255,255,255,.72)}
.footer-col a:hover{color:#fff}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;line-height:1.75}
.footer-contact i{color:var(--mint);margin-top:5px;font-size:13px}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13.5px;color:rgba(255,255,255,.55);
}
.footer-bottom .tech{color:rgba(255,255,255,.42)}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 230px;gap:32px}
}
@media (max-width:991px){
  .header-inner{flex-wrap:wrap;gap:14px;min-height:auto;padding:12px 0}
  .brand{order:1}
  .header-cta{order:2;margin-left:auto}
  .nav-chips{order:3;width:100%;margin-left:0;padding-bottom:6px}
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .article-aside{position:static;flex-direction:row;flex-wrap:wrap}
  .aside-card{flex:1 1 260px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:56px 0}
}
@media (max-width:767px){
  .article-hero .hero-envelope{padding:26px 22px 24px;border-radius:var(--r-card)}
  .article-main{padding:26px 20px 30px;border-radius:var(--r-card)}
  .cta-band{padding:34px 24px;border-radius:var(--r-card)}
  .cta-band .btn-main{width:100%}
  .section{padding:48px 0}
}
@media (max-width:575px){
  .container-xx{padding:0 16px}
  body{font-size:15.5px}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .footer-top{grid-template-columns:1fr;gap:28px}
  .article-aside{flex-direction:column}
  .crumbs .current{max-width:100%;white-space:normal}
  .brand-name{font-size:16px}
  .header-cta .btn-main{height:38px;padding:0 16px;font-size:13px}
  .btn-main,.btn-ghost{width:100%}
  .back-row .btn-ghost,.back-row .btn-main{width:100%}
}

/* roulang page: category2 */
:root{
  --brand-600:#6D28D9;
  --brand-500:#8B5CF6;
  --accent-magenta:#C026D3;
  --accent-orange:#FF7A45;
  --accent-mint:#16C79A;
  --grad-brand:linear-gradient(100deg,#6D28D9 0%,#C026D3 48%,#FF7A45 100%);
  --grad-mint:linear-gradient(120deg,#16C79A 0%,#6D28D9 100%);
  --bg:#F6F3EE;
  --surface:#FFFFFF;
  --surface-2:#FBF9F5;
  --ink:#1A1523;
  --muted:#6E6678;
  --line:#E8E2D9;
  --ink-900:#150F1E;
  --r-card:22px;
  --r-lg:28px;
  --r-img:16px;
  --r-pill:999px;
  --shadow-1:0 2px 8px rgba(26,21,35,.06);
  --shadow-2:0 14px 34px -14px rgba(109,40,217,.25);
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-body-font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --bs-body-color:#1A1523;
  --bs-body-bg:#F6F3EE;
  --bs-primary:#6D28D9;
  --bs-border-radius:16px;
  --bs-link-color:#6D28D9;
  --bs-link-hover-color:#C026D3;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--bs-body-font-family);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-600);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--accent-magenta);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent-mint);outline-offset:2px;border-radius:6px;}

.container-xx{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(246,243,238,.92);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease),background .25s var(--ease);
}
.site-header.is-scrolled{
  box-shadow:0 8px 26px -18px rgba(26,21,35,.35);
  background:rgba(246,243,238,.97);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:76px;
  padding:10px 0;
}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:14px;
  background:var(--grad-brand);
  color:#fff;font-size:18px;
  box-shadow:var(--shadow-2);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-size:17px;font-weight:800;letter-spacing:.01em;}
.brand-tag{font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--muted);}

.nav-chips{
  display:flex;align-items:center;gap:10px;
  flex:1 1 auto;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
  padding:4px 2px;
}
.nav-chips::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;
  display:inline-flex;align-items:center;
  height:40px;padding:0 18px;
  border-radius:var(--r-pill);
  background:var(--surface);
  border:1px solid var(--line);
  color:var(--ink);
  font-size:14.5px;font-weight:600;
  white-space:nowrap;
  transition:all .22s var(--ease);
}
.chip:hover{border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-1px);}
.chip.active{
  background:var(--grad-brand);
  background-size:160% 100%;
  border-color:transparent;
  color:#fff;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.25),var(--shadow-2);
}
.header-cta{flex:0 0 auto;margin-left:12px;}
.btn-main{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 26px;
  border-radius:var(--r-pill);
  background:var(--grad-brand);
  background-size:180% 100%;
  background-position:0% 50%;
  color:#fff;font-weight:700;font-size:15px;
  border:none;
  box-shadow:var(--shadow-2);
  transition:all .22s var(--ease);
}
.btn-main:hover{
  color:#fff;
  background-position:100% 50%;
  transform:translateY(-2px);
  box-shadow:0 18px 36px -14px rgba(192,38,211,.45);
}
.btn-main:active{transform:translateY(-1px);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 24px;
  border-radius:var(--r-pill);
  background:transparent;
  border:1.5px solid var(--line);
  color:var(--ink);font-weight:600;font-size:15px;
  transition:all .22s var(--ease);
}
.btn-ghost:hover{border-color:var(--brand-600);background:var(--surface-2);color:var(--brand-600);transform:translateY(-2px);}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-weight:700;font-size:14.5px;color:var(--brand-600);
}
.link-arrow i{transition:transform .22s var(--ease);font-size:12px;}
.link-arrow:hover i{transform:translateX(3px);}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  background-image:linear-gradient(105deg,rgba(21,15,30,.94) 0%,rgba(21,15,30,.82) 45%,rgba(109,40,217,.62) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  padding:56px 0 64px;
  color:#fff;
}
.page-hero::after{
  content:"";
  position:absolute;left:0;right:0;top:0;height:3px;
  background:var(--grad-brand);opacity:.85;
}
.page-hero h1,.page-hero h2,.page-hero h3{color:#fff;}
.crumbs{
  display:flex;align-items:center;gap:8px;
  font-size:13.5px;
  color:rgba(255,255,255,.68);
  margin-bottom:22px;
  flex-wrap:wrap;
}
.crumbs a{color:rgba(255,255,255,.78);}
.crumbs a:hover{color:#fff;}
.crumbs .sep{opacity:.5;}
.crumbs .cur{color:#fff;font-weight:600;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.24);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  color:#fff;margin-bottom:18px;
}
.page-hero h1{
  font-size:clamp(28px,4.2vw,46px);
  line-height:1.2;
  font-weight:800;
  max-width:840px;
  margin-bottom:16px;
}
.hero-sub{
  font-size:17px;line-height:1.8;
  color:rgba(255,255,255,.84);
  max-width:700px;
  margin-bottom:28px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.page-hero .btn-ghost{border-color:rgba(255,255,255,.4);color:#fff;}
.page-hero .btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;}
.hero-stats{
  display:flex;gap:12px;flex-wrap:wrap;margin-top:32px;
}
.stat-pill{
  display:flex;align-items:baseline;gap:8px;
  padding:10px 18px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.18);
  font-size:13px;color:rgba(255,255,255,.8);
}
.stat-pill b{
  font-size:19px;font-weight:800;color:#fff;
  font-variant-numeric:tabular-nums;
  font-family:ui-monospace,"SFMono-Regular",Menlo,monospace;
}

/* ---------- sections ---------- */
.section{padding:80px 0;}
.section.alt{background:var(--surface);}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.08em;
  color:var(--brand-600);text-transform:uppercase;
  margin-bottom:14px;
}
.section-head .eyebrow::before{
  content:"";width:24px;height:3px;border-radius:3px;background:var(--grad-brand);
}
.section-head h2{
  font-size:clamp(22px,2.6vw,32px);
  line-height:1.3;font-weight:700;margin-bottom:14px;
}
.section-head p{color:var(--muted);font-size:16px;}
.head-row{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:36px;flex-wrap:wrap;
}
.head-row .section-head{margin-bottom:0;}

/* ---------- filter chips ---------- */
.filter-row{
  display:flex;gap:10px;overflow-x:auto;padding:4px 2px 18px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.filter-row::-webkit-scrollbar{display:none;}
.fchip{
  flex:0 0 auto;
  height:38px;padding:0 18px;
  display:inline-flex;align-items:center;gap:8px;
  border-radius:var(--r-pill);
  background:var(--surface);
  border:1px solid var(--line);
  color:var(--muted);
  font-size:14px;font-weight:600;
  transition:all .22s var(--ease);
  cursor:pointer;
  white-space:nowrap;
}
.fchip:hover{color:var(--brand-600);border-color:var(--brand-500);}
.fchip.active{
  background:var(--grad-brand);
  border-color:transparent;color:#fff;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.22),var(--shadow-2);
}

/* ---------- cards grid ---------- */
.grid-cards{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.sec-card{
  position:relative;
  display:flex;flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.sec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(109,40,217,.22);}
.sec-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:var(--grad-brand);opacity:0;transition:opacity .22s var(--ease);
}
.sec-card:hover::before{opacity:1;}
.card-cover{
  aspect-ratio:16/9;overflow:hidden;background:var(--surface-2);
  position:relative;
}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.sec-card:hover .card-cover img{transform:scale(1.04);}
.card-flag{
  position:absolute;left:14px;top:14px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:700;letter-spacing:.02em;
  background:rgba(21,15,30,.72);color:#fff;
  backdrop-filter:blur(4px);
}
.card-body-x{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1 1 auto;}
.card-body-x h3{font-size:18px;font-weight:700;line-height:1.45;margin-bottom:10px;}
.card-body-x p{font-size:14.5px;line-height:1.8;color:var(--muted);margin-bottom:18px;flex:1 1 auto;}
.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:auto;}
.tag{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;
  background:var(--surface-2);
  border:1px solid var(--line);
  color:var(--muted);
}
.tag.mint{background:rgba(22,199,154,.1);border-color:rgba(22,199,154,.28);color:#0E8E6D;}
.tag.violet{background:rgba(109,40,217,.08);border-color:rgba(109,40,217,.22);color:var(--brand-600);}

/* ---------- progress / checklist band ---------- */
.dark-band{
  background:var(--ink-900);
  color:#fff;
  border-radius:var(--r-lg);
  padding:48px;
  position:relative;
  overflow:hidden;
}
.dark-band::before{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:var(--grad-mint);opacity:.18;filter:blur(10px);
}
.dark-band h2,.dark-band h3{color:#fff;position:relative;}
.dark-band p{color:rgba(255,255,255,.74);position:relative;}
.band-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;position:relative;}
.progress-wrap{position:relative;}
.progress-track{
  height:14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);
  overflow:hidden;
  margin-bottom:10px;
}
.progress-fill{
  height:100%;width:72%;border-radius:var(--r-pill);
  background:var(--grad-brand);
  box-shadow:0 0 0 1px rgba(255,255,255,.12) inset;
}
.progress-meta{
  display:flex;align-items:center;justify-content:space-between;
  font-size:13.5px;color:rgba(255,255,255,.7);
  margin-bottom:26px;
}
.progress-meta b{
  font-size:20px;font-weight:800;color:#fff;
  font-variant-numeric:tabular-nums;
  font-family:ui-monospace,"SFMono-Regular",Menlo,monospace;
}
.stage-list{display:flex;flex-direction:column;gap:14px;}
.stage{
  display:flex;align-items:center;gap:12px;
  padding:12px 16px;border-radius:16px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.1);
  font-size:14.5px;color:rgba(255,255,255,.82);
}
.stage i{font-size:12px;}
.stage.done{color:#fff;}
.stage.done i{color:var(--accent-mint);}
.stage.todo i{color:rgba(255,255,255,.35);}
.stage .idx{
  margin-left:auto;font-size:12.5px;color:rgba(255,255,255,.55);
  font-variant-numeric:tabular-nums;
}

/* ---------- checklist cards ---------- */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.check-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px;
  box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.check-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.check-card .ico{
  width:46px;height:46px;border-radius:14px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--grad-brand);color:#fff;font-size:18px;
  margin-bottom:16px;
  box-shadow:var(--shadow-2);
}
.check-card h3{font-size:18.5px;font-weight:700;margin-bottom:10px;}
.check-card p{color:var(--muted);font-size:14.8px;line-height:1.82;margin-bottom:16px;}
.dot-list{display:flex;flex-direction:column;gap:9px;}
.dot-list li{
  position:relative;padding-left:20px;
  font-size:14.5px;color:var(--ink);line-height:1.75;
}
.dot-list li::before{
  content:"";position:absolute;left:0;top:.62em;
  width:8px;height:8px;border-radius:50%;
  background:var(--grad-mint);
}

/* ---------- timeline ---------- */
.timeline{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  position:relative;
}
.timeline::before{
  content:"";position:absolute;left:6%;right:6%;top:26px;height:2px;
  background:repeating-linear-gradient(90deg,rgba(109,40,217,.35) 0 10px,transparent 10px 20px);
  z-index:0;
}
.tl-item{
  position:relative;z-index:1;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 22px;
  box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.tl-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.tl-num{
  width:52px;height:52px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--grad-brand);color:#fff;
  font-size:18px;font-weight:800;
  font-variant-numeric:tabular-nums;
  margin-bottom:16px;
  box-shadow:var(--shadow-2);
}
.tl-item h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.tl-item p{font-size:14.3px;line-height:1.8;color:var(--muted);}

/* ---------- FAQ ---------- */
.faq-acc .accordion-item{
  border:1px solid var(--line);
  border-radius:var(--r-card)!important;
  background:var(--surface);
  box-shadow:var(--shadow-1);
  margin-bottom:14px;
  overflow:hidden;
}
.faq-acc .accordion-item:last-child{margin-bottom:0;}
.faq-acc .accordion-button{
  position:relative;
  background:var(--surface);
  border:none;
  padding:20px 24px 20px 28px;
  font-size:16.5px;font-weight:700;color:var(--ink);
  box-shadow:none!important;
  line-height:1.6;
}
.faq-acc .accordion-button::after{
  background-image:none;
  content:"\f078";
  font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:12px;color:var(--brand-600);
  transition:transform .25s var(--ease);
  width:auto;height:auto;
  display:flex;align-items:center;justify-content:center;
  margin-left:18px;
}
.faq-acc .accordion-button:not(.collapsed){
  color:var(--brand-600);
  background:var(--surface-2);
}
.faq-acc .accordion-button:not(.collapsed)::after{transform:rotate(180deg);}
.faq-acc .accordion-button::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;
  border-radius:3px;background:var(--grad-brand);
  opacity:0;transition:opacity .25s var(--ease);
}
.faq-acc .accordion-button:not(.collapsed)::before{opacity:1;}
.faq-acc .accordion-body{
  padding:2px 28px 24px;
  color:var(--muted);
  font-size:15px;line-height:1.85;
  background:var(--surface-2);
}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--grad-brand);
  background-size:180% 100%;
  border-radius:var(--r-lg);
  padding:44px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  color:#fff;
  box-shadow:0 24px 50px -24px rgba(109,40,217,.6);
  flex-wrap:wrap;
}
.cta-band h2{color:#fff;font-size:clamp(20px,2.3vw,28px);font-weight:800;margin-bottom:8px;line-height:1.35;}
.cta-band p{color:rgba(255,255,255,.86);font-size:15px;margin:0;}
.btn-white{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 28px;border-radius:var(--r-pill);
  background:#fff;color:var(--brand-600);font-weight:700;font-size:15px;
  border:none;
  transition:all .22s var(--ease);
  white-space:nowrap;
}
.btn-white:hover{color:var(--accent-magenta);transform:translateY(-2px);box-shadow:0 16px 30px -12px rgba(21,15,30,.4);}

/* ---------- footer ---------- */
.site-footer{
  background:var(--ink-900);
  color:rgba(255,255,255,.72);
  padding:64px 0 28px;
  margin-top:0;
  position:relative;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:var(--grad-brand);opacity:.9;
}
.footer-top{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-name{font-size:17px;font-weight:800;color:#fff;}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:340px;}
.footer-col h4{
  color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px;}
.footer-col a:hover{color:#fff;}
.footer-contact li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:14px;color:rgba(255,255,255,.7);line-height:1.7;
}
.footer-contact i{margin-top:4px;color:var(--accent-mint);font-size:13px;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding-top:22px;
  font-size:13px;color:rgba(255,255,255,.52);
  flex-wrap:wrap;
}
.footer-bottom .tech{color:rgba(255,255,255,.4);}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .grid-cards{grid-template-columns:repeat(2,1fr);}
  .timeline{grid-template-columns:repeat(2,1fr);}
  .timeline::before{display:none;}
  .footer-top{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
}
@media (max-width:991px){
  .section{padding:64px 0;}
  .band-grid{grid-template-columns:1fr;gap:32px;}
  .check-grid{grid-template-columns:1fr;}
  .header-cta{display:none;}
  .page-hero{padding:44px 0 52px;}
  .dark-band{padding:36px;}
  .cta-band{padding:34px 32px;}
}
@media (max-width:767px){
  .container-xx{padding:0 16px;}
  .header-inner{min-height:64px;gap:14px;flex-wrap:wrap;padding:8px 0;}
  .brand-tag{display:none;}
  .nav-chips{order:3;width:100%;flex-basis:100%;padding-bottom:2px;}
  .section{padding:52px 0;}
  .grid-cards{grid-template-columns:1fr;}
  .timeline{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr;gap:28px;}
  .page-hero h1{font-size:clamp(24px,6.4vw,32px);}
  .hero-sub{font-size:15.5px;}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;justify-content:center;}
  .dark-band{padding:28px 22px;}
  .cta-band{padding:28px 22px;}
  .cta-band .btn-white{width:100%;justify-content:center;}
  .faq-acc .accordion-button{font-size:15.5px;padding:16px 18px 16px 22px;}
  .faq-acc .accordion-body{padding:2px 22px 20px;}
}
@media (max-width:575px){
  body{font-size:15px;}
  .brand-name{font-size:15.5px;}
  .brand-mark{width:38px;height:38px;flex-basis:38px;font-size:16px;border-radius:12px;}
  .hero-stats{gap:10px;}
  .stat-pill{flex:1 1 calc(50% - 10px);justify-content:center;}
  .card-body-x{padding:18px 18px 20px;}
  .check-card{padding:22px;}
  .section-head{margin-bottom:32px;}
}

/* roulang page: category3 */
:root{
  --brand-600:#6D28D9;
  --brand-500:#8B5CF6;
  --accent-magenta:#C026D3;
  --accent-orange:#FF7A45;
  --accent-mint:#16C79A;
  --grad-brand:linear-gradient(100deg,#6D28D9 0%,#C026D3 48%,#FF7A45 100%);
  --grad-mint:linear-gradient(120deg,#16C79A 0%,#6D28D9 100%);
  --bg:#F6F3EE;
  --surface:#FFFFFF;
  --surface-2:#FBF9F5;
  --ink:#1A1523;
  --muted:#6E6678;
  --line:#E8E2D9;
  --ink-900:#150F1E;
  --shadow-1:0 2px 8px rgba(26,21,35,.06);
  --shadow-2:0 14px 34px -14px rgba(109,40,217,.25);
  --r-sm:14px;
  --r-md:20px;
  --r-lg:24px;
  --r-xl:28px;
  --ease:cubic-bezier(.2,.7,.3,1);

  --bs-primary:#6D28D9;
  --bs-body-font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --bs-body-color:#1A1523;
  --bs-body-bg:#F6F3EE;
  --bs-border-color:#E8E2D9;
  --bs-border-radius:20px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-600);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--accent-magenta);}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent-mint);outline-offset:2px;}

.container-xx{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.tnum{font-variant-numeric:tabular-nums;}

/* ============ Header ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(246,243,238,.92);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease),background .25s var(--ease);
}
.site-header.is-scrolled{
  box-shadow:0 10px 24px -18px rgba(26,21,35,.45);
  background:rgba(255,255,255,.9);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:74px;
  padding:12px 0;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
  color:var(--ink);
}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:42px;
  height:42px;
  border-radius:14px;
  background-image:var(--grad-brand);
  color:#fff;
  display:grid;
  place-items:center;
  font-size:17px;
  box-shadow:0 8px 18px -10px rgba(109,40,217,.75);
  flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-name{font-size:17px;font-weight:800;letter-spacing:-.01em;}
.brand-tag{font-size:12px;color:var(--muted);font-weight:600;letter-spacing:.02em;}

.nav-chips{
  display:flex;
  align-items:center;
  gap:8px;
  flex:1;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
  padding:4px 2px;
}
.nav-chips::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 18px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--surface);
  color:var(--ink);
  font-size:14.5px;
  font-weight:600;
  white-space:nowrap;
  transition:all .22s var(--ease);
}
.chip:hover{
  border-color:var(--brand-500);
  color:var(--brand-600);
  transform:translateY(-1px);
}
.chip.active{
  background-image:var(--grad-brand);
  border-color:transparent;
  color:#fff;
  box-shadow:inset 0 -2px 6px rgba(0,0,0,.12),0 8px 18px -12px rgba(192,38,211,.9);
}
.chip.active:hover{color:#fff;}

.header-cta{margin-left:24px;flex-shrink:0;}

.btn-main{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 26px;
  border:0;
  border-radius:999px;
  background-image:var(--grad-brand);
  background-size:180% 100%;
  background-position:0% 50%;
  color:#fff;
  font-size:15px;
  font-weight:600;
  line-height:1.3;
  white-space:nowrap;
  cursor:pointer;
  box-shadow:0 8px 20px -12px rgba(109,40,217,.9);
  transition:transform .2s var(--ease),box-shadow .25s var(--ease),background-position .35s var(--ease);
}
.btn-main:hover{
  color:#fff;
  transform:translateY(-2px);
  box-shadow:var(--shadow-2);
  background-position:100% 50%;
}
.btn-main:active{transform:translateY(1px);}

.btn-ghost{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:11px 24px;
  border-radius:999px;
  border:1.5px solid var(--line);
  background:var(--surface);
  color:var(--ink);
  font-size:15px;
  font-weight:600;
  transition:all .22s var(--ease);
}
.btn-ghost:hover{
  border-color:var(--brand-600);
  background:var(--surface-2);
  color:var(--brand-600);
  transform:translateY(-2px);
}
.btn-ghost:active{transform:translateY(1px);}

.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-weight:600;
  font-size:14.5px;
  color:var(--brand-600);
}
.link-arrow i{transition:transform .22s var(--ease);}
.link-arrow:hover i{transform:translateX(3px);}

/* ============ Page hero ============ */
.page-hero{
  position:relative;
  overflow:hidden;
  padding:52px 0 60px;
  background:linear-gradient(160deg,#FBF7FF 0%,#FDF2EA 52%,#F6F3EE 100%);
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  opacity:.10;
  pointer-events:none;
}
.page-hero::after{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:1px;
  background-image:var(--grad-brand);
  opacity:.6;
}
.page-hero .container-xx{position:relative;z-index:2;}

.crumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13.5px;
  color:var(--muted);
  margin-bottom:22px;
}
.crumb a{color:var(--muted);font-weight:600;}
.crumb a:hover{color:var(--brand-600);}
.crumb .sep{opacity:.6;}
.crumb .current{color:var(--brand-600);font-weight:700;}

.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);
  gap:48px;
  align-items:center;
}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:var(--surface);
  border:1px solid var(--line);
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.02em;
  color:var(--brand-600);
  margin-bottom:18px;
}
.hero-eyebrow i{color:var(--accent-magenta);}
.page-hero h1{
  font-size:clamp(26px,3.6vw,42px);
  line-height:1.22;
  font-weight:800;
  letter-spacing:-.01em;
  margin-bottom:16px;
}
.page-hero h1 em{
  font-style:normal;
  background-image:var(--grad-brand);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-sub{
  font-size:16.5px;
  color:var(--muted);
  max-width:620px;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}

.hero-visual{
  position:relative;
  border-radius:var(--r-xl);
  overflow:hidden;
  min-height:250px;
  box-shadow:var(--shadow-2);
  background:var(--ink-900);
}
.hero-visual img{
  width:100%;
  height:100%;
  min-height:250px;
  object-fit:cover;
  opacity:.92;
}
.hero-visual::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(120deg,rgba(21,15,30,.72) 0%,rgba(109,40,217,.34) 55%,rgba(255,122,69,.28) 100%);
}
.hero-badge{
  position:absolute;
  left:20px;
  bottom:20px;
  z-index:3;
  display:flex;
  align-items:center;
  gap:12px;
  padding:12px 18px;
  border-radius:999px;
  background:rgba(21,15,30,.62);
  border:1px solid rgba(255,255,255,.22);
  color:#fff;
  font-size:13px;
  font-weight:600;
  backdrop-filter:blur(6px);
}
.hero-badge strong{font-size:18px;font-weight:800;letter-spacing:-.01em;}

/* ============ Section base ============ */
.section{padding:82px 0;}
.section.tight{padding:64px 0;}
.section.alt{background:var(--surface-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:42px;}
.section-head .kicker{
  display:inline-block;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--accent-magenta);
  text-transform:uppercase;
  margin-bottom:12px;
}
.section-head h2{
  font-size:clamp(22px,2.6vw,32px);
  line-height:1.3;
  margin-bottom:14px;
  letter-spacing:-.01em;
}
.section-head p{color:var(--muted);font-size:16px;}

/* ============ Compare card ============ */
.compare-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  box-shadow:var(--shadow-1);
  padding:10px 34px;
  position:relative;
  overflow:hidden;
}
.compare-card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background-image:var(--grad-brand);
  opacity:.55;
}
.compare-row{
  display:grid;
  grid-template-columns:minmax(150px,1fr) 2.4fr;
  gap:28px;
  padding:28px 0;
  border-bottom:1px dashed var(--line);
  align-items:start;
}
.compare-row:last-child{border-bottom:0;}
.compare-name{
  display:flex;
  align-items:flex-start;
  gap:12px;
  font-size:17px;
  font-weight:700;
  line-height:1.5;
}
.compare-name .num{
  width:30px;
  height:30px;
  border-radius:10px;
  background-image:var(--grad-mint);
  color:#fff;
  font-size:13.5px;
  font-weight:800;
  display:grid;
  place-items:center;
  flex-shrink:0;
  margin-top:2px;
}
.compare-body{font-size:15.5px;color:var(--muted);}
.compare-body strong{color:var(--ink);font-weight:700;}
.compare-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:12px;
  padding:4px 12px;
  border-radius:999px;
  background:var(--surface-2);
  border:1px solid var(--line);
  font-size:12.5px;
  font-weight:600;
  color:var(--brand-600);
}

/* ============ Timeline ============ */
.timeline{
  position:relative;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.timeline::before{
  content:"";
  position:absolute;
  top:26px;
  left:7%;
  right:7%;
  height:2px;
  border-radius:2px;
  background-image:var(--grad-brand);
  opacity:.32;
}
.tl-item{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 22px 24px;
  box-shadow:var(--shadow-1);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.tl-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.tl-num{
  position:relative;
  z-index:2;
  width:52px;
  height:52px;
  border-radius:50%;
  background-image:var(--grad-brand);
  color:#fff;
  font-size:18px;
  font-weight:800;
  display:grid;
  place-items:center;
  margin-bottom:18px;
  box-shadow:0 10px 22px -12px rgba(109,40,217,.95);
}
.tl-item h3{font-size:18px;margin-bottom:10px;}
.tl-item p{font-size:14.5px;color:var(--muted);}

/* ============ Reminder cards ============ */
.rem-grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:24px;
}
.rem-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px;
  box-shadow:var(--shadow-1);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
  position:relative;
  overflow:hidden;
}
.rem-card::after{
  content:"";
  position:absolute;
  right:-30px;
  top:-30px;
  width:110px;
  height:110px;
  border-radius:50%;
  background-image:var(--grad-brand);
  opacity:.12;
}
.rem-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.rem-card .ic{
  width:46px;
  height:46px;
  border-radius:14px;
  display:grid;
  place-items:center;
  font-size:18px;
  color:#fff;
  background-image:var(--grad-mint);
  margin-bottom:18px;
}
.rem-card h3{font-size:18px;margin-bottom:10px;position:relative;z-index:2;}
.rem-card p{font-size:14.5px;color:var(--muted);position:relative;z-index:2;}
.rem-card.wide{grid-column:span 7;}
.rem-card.mid{grid-column:span 5;}
.rem-card.third{grid-column:span 4;}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;}
.faq-acc .accordion-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg) !important;
  margin-bottom:14px;
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:box-shadow .25s var(--ease);
}
.faq-acc .accordion-item:hover{box-shadow:var(--shadow-2);}
.faq-acc .accordion-button{
  background:transparent;
  color:var(--ink);
  font-size:16.5px;
  font-weight:700;
  padding:20px 24px;
  border:0;
  box-shadow:none !important;
  position:relative;
  gap:14px;
}
.faq-acc .accordion-button::before{
  content:"";
  position:absolute;
  left:0;
  top:16px;
  bottom:16px;
  width:3px;
  border-radius:3px;
  background-image:var(--grad-brand);
  opacity:0;
  transition:opacity .25s var(--ease);
}
.faq-acc .accordion-button:not(.collapsed){color:var(--brand-600);}
.faq-acc .accordion-button:not(.collapsed)::before{opacity:1;}
.faq-acc .accordion-button::after{
  background-image:none;
  content:"\f078";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  font-size:13px;
  color:var(--brand-600);
  width:auto;
  height:auto;
  transform:none;
  transition:transform .25s var(--ease);
}
.faq-acc .accordion-button:not(.collapsed)::after{transform:rotate(180deg);}
.faq-acc .accordion-body{
  padding:0 24px 24px 24px;
  font-size:15.5px;
  color:var(--muted);
  line-height:1.85;
}

/* ============ CTA band ============ */
.cta-band{
  border-radius:var(--r-xl);
  background-image:var(--grad-brand);
  padding:46px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  color:#fff;
  box-shadow:var(--shadow-2);
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-60px;
  bottom:-70px;
  width:240px;
  height:240px;
  border-radius:50%;
  background:rgba(255,255,255,.14);
}
.cta-band h2{color:#fff;font-size:clamp(21px,2.4vw,28px);margin-bottom:10px;position:relative;z-index:2;}
.cta-band p{color:rgba(255,255,255,.88);font-size:15.5px;max-width:620px;position:relative;z-index:2;}
.btn-invert{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:13px 28px;
  border-radius:999px;
  background:#fff;
  color:var(--brand-600);
  font-size:15px;
  font-weight:700;
  white-space:nowrap;
  position:relative;
  z-index:2;
  transition:transform .2s var(--ease),box-shadow .25s var(--ease);
  box-shadow:0 10px 24px -14px rgba(21,15,30,.8);
}
.btn-invert:hover{color:var(--accent-magenta);transform:translateY(-2px);}
.btn-invert:active{transform:translateY(1px);}

/* ============ Footer ============ */
.site-footer{
  margin-top:88px;
  background:var(--ink-900);
  color:rgba(255,255,255,.72);
  padding:64px 0 28px;
  position:relative;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background-image:var(--grad-brand);
  opacity:.75;
}
.footer-top{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-name{color:#fff;font-size:17px;font-weight:800;letter-spacing:-.01em;}
.footer-desc{font-size:14px;color:rgba(255,255,255,.72);max-width:360px;}
.footer-col h4{
  color:#fff;
  font-size:15px;
  font-weight:700;
  margin-bottom:16px;
  letter-spacing:.01em;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{
  color:rgba(255,255,255,.72);
  font-size:14px;
}
.footer-col ul li a:hover{color:#fff;}
.footer-contact li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  color:rgba(255,255,255,.72);
}
.footer-contact li i{color:var(--accent-mint);margin-top:5px;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  padding-top:24px;
  font-size:13px;
  color:rgba(255,255,255,.55);
}
.footer-bottom .tech{letter-spacing:.02em;}

/* ============ Responsive ============ */
@media (max-width:1199px){
  .hero-grid{gap:36px;}
  .rem-card.wide,.rem-card.mid,.rem-card.third{grid-column:span 6;}
}
@media (max-width:991px){
  .header-inner{flex-wrap:wrap;gap:14px;}
  .nav-chips{order:3;width:100%;flex:1 0 100%;}
  .header-cta{margin-left:auto;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .page-hero{padding:44px 0 48px;}
  .hero-visual{min-height:220px;}
  .section{padding:64px 0;}
  .timeline{grid-template-columns:repeat(2,1fr);row-gap:28px;}
  .timeline::before{display:none;}
  .compare-row{grid-template-columns:1fr;gap:12px;padding:24px 0;}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:38px 32px;}
}
@media (max-width:767px){
  .container-xx{padding:0 16px;}
  .rem-card.wide,.rem-card.mid,.rem-card.third{grid-column:span 12;}
  .compare-card{padding:6px 22px;}
  .faq-acc .accordion-button{font-size:15.5px;padding:18px 20px;}
  .faq-acc .accordion-body{padding:0 20px 20px;}
}
@media (max-width:575px){
  body{font-size:15.5px;}
  .site-header .header-inner{min-height:66px;}
  .brand-mark{width:38px;height:38px;border-radius:12px;font-size:15px;}
  .brand-name{font-size:15.5px;}
  .brand-tag{font-size:11px;}
  .header-cta{margin-left:0;width:100%;}
  .header-cta .btn-main{width:100%;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;justify-content:center;}
  .timeline{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .section{padding:48px 0;}
  .cta-band{padding:32px 22px;border-radius:24px;}
  .btn-invert{width:100%;justify-content:center;}
}