/* roulang page: index */
:root{
  --bg-base:#07100E;
  --bg-deep:#0A1512;
  --bg-elev:#101C18;
  --glass-1:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  --glass-2:rgba(10,21,18,.72);
  --primary:#14E39B;
  --primary-deep:#0BAE77;
  --primary-glow:rgba(20,227,155,.35);
  --accent:#FF7A3D;
  --accent-soft:rgba(255,122,61,.14);
  --info:#6FD3FF;
  --text-hi:#EAF5F1;
  --text-mid:#B9C9C3;
  --text-low:#7E8F89;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.16);
  --divider:rgba(255,255,255,.06);
  --success:#14E39B;
  --pending:#FFB020;
  --error:#FF5C5C;
  --disabled:rgba(255,255,255,.28);
  --r-card:18px;
  --r-img:14px;
  --r-input:12px;
  --r-pill:999px;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Inter","Barlow Condensed",ui-monospace,SFMono-Regular,Menlo,monospace;
  --shadow-card:0 0 0 1px rgba(255,255,255,.08);
  --shadow-hover:0 0 0 1px rgba(255,255,255,.14),0 18px 40px -24px rgba(20,227,155,.35);
  --ease:240ms cubic-bezier(.4,.14,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-mid);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:linear-gradient(to right,rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(to bottom,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 12%,#000 0%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 12%,#000 0%,transparent 78%);
  opacity:.5;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
::selection{background:rgba(20,227,155,.28);color:#fff}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:1}
.section{padding:112px 0;position:relative}
.section-sm{padding:72px 0}
.section-head{max-width:760px;margin-bottom:52px}
.section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.1em;color:var(--primary);text-transform:uppercase;margin-bottom:14px;font-family:var(--font-num)}
.section-head .eyebrow::before{content:"";width:22px;height:1px;background:var(--primary);display:block}
h2{font-size:clamp(24px,3vw,36px);line-height:1.2;font-weight:700;color:var(--text-hi);letter-spacing:-.01em}
h2::after{content:"";display:block;width:40px;height:3px;border-radius:2px;background:var(--primary);margin-top:18px}
.section-head p{margin-top:20px;color:var(--text-mid);font-size:15.5px;max-width:44em}
.lead{font-size:16px;color:var(--text-mid)}

/* ---------- 导航 ---------- */
.site-nav{position:fixed;top:16px;left:0;right:0;z-index:120;padding:0 16px}
.nav-shell{
  max-width:1200px;margin:0 auto;height:72px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:0 12px 0 22px;
  border-radius:var(--r-pill);
  background:var(--glass-2);
  border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  transition:height var(--ease),background var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.site-nav.scrolled .nav-shell{
  height:60px;
  background:rgba(7,16,14,.88);
  border-color:var(--line-strong);
  box-shadow:0 12px 32px -18px rgba(0,0,0,.85);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(150deg,var(--primary),var(--primary-deep));
  display:grid;place-items:center;color:#05140F;font-weight:800;font-size:15px;
  box-shadow:0 0 0 1px rgba(20,227,155,.4),0 0 22px -6px var(--primary-glow);
  font-family:var(--font-num);
}
.brand-name{font-size:16px;font-weight:700;color:var(--text-hi);letter-spacing:.01em;white-space:nowrap}
.brand-name span{color:var(--primary)}
.nav-menu{display:flex;align-items:center;gap:6px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:44px;padding:0 16px;
  font-size:14.5px;color:var(--text-mid);border-radius:var(--r-pill);
  transition:color var(--ease),background var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:8px;transform:translateX(-50%);
  width:0;height:2px;border-radius:2px;background:var(--primary);
  box-shadow:0 0 10px var(--primary-glow);transition:width var(--ease);
}
.nav-link:hover{color:var(--text-hi)}
.nav-link:hover::after{width:16px}
.nav-link.active{color:var(--primary);background:rgba(20,227,155,.12)}
.nav-link.active::after{width:16px}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 22px;
  border-radius:var(--r-pill);border:none;cursor:pointer;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#05140F;font-weight:700;font-size:14.5px;
  box-shadow:0 0 22px -6px var(--primary-glow);
  transition:transform var(--ease),filter var(--ease),box-shadow var(--ease);
}
.nav-cta:hover{filter:brightness(1.06);transform:translateY(-1px)}
.nav-cta:active{transform:translateY(1px);box-shadow:0 0 12px -8px var(--primary-glow)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:rgba(255,255,255,.04);cursor:pointer;
  position:relative;
}
.nav-toggle span{position:absolute;left:12px;right:12px;height:2px;background:var(--text-hi);border-radius:2px;transition:var(--ease)}
.nav-toggle span:nth-child(1){top:16px}
.nav-toggle span:nth-child(2){top:22px}
.nav-toggle span:nth-child(3){top:28px}
.nav-toggle.open span:nth-child(1){top:22px;transform:rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){top:22px;transform:rotate(-45deg)}
.drawer{
  position:fixed;inset:0;z-index:110;background:rgba(7,16,14,.96);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  padding:110px 24px 40px;display:flex;flex-direction:column;gap:0;
  transform:translateY(-12px);opacity:0;pointer-events:none;transition:var(--ease);
}
.drawer.open{opacity:1;transform:none;pointer-events:auto}
.drawer a{
  font-size:18px;color:var(--text-hi);padding:0 4px;line-height:56px;
  border-bottom:1px solid var(--divider);display:flex;align-items:center;justify-content:space-between;
}
.drawer a.active{color:var(--primary)}
.drawer .drawer-cta{margin-top:28px;justify-content:center;line-height:52px;border:none;border-radius:var(--r-pill);
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));color:#05140F;font-weight:700}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:50px;padding:0 28px;border-radius:var(--r-pill);
  font-size:15.5px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:transform var(--ease),filter var(--ease),background var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#05140F;box-shadow:0 0 26px -8px var(--primary-glow);
}
.btn-primary:hover{filter:brightness(1.07);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 12px -8px var(--primary-glow)}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--line);color:var(--text-hi)}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:var(--line-strong)}
.btn-text{background:none;border:none;color:var(--primary);padding:0;min-height:auto;gap:8px}
.btn-text .arrow{transition:transform var(--ease)}
.btn-text:hover .arrow{transform:translateX(4px)}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:13px;font-weight:500;line-height:1.5;
  background:rgba(20,227,155,.12);color:var(--primary);
}
.badge-accent{background:var(--accent-soft);color:var(--accent)}
.badge-info{background:rgba(111,211,255,.12);color:var(--info)}
.badge-muted{background:rgba(255,255,255,.06);color:var(--text-mid)}

.arrow-link{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-size:14px;font-weight:600}
.arrow-link .arrow{transition:transform var(--ease)}
.arrow-link:hover .arrow{transform:translateX(4px)}

/* ---------- Hero ---------- */
.hero{position:relative;padding:170px 0 96px;min-height:78vh;display:flex;align-items:center;overflow:hidden}
.hero::before{
  content:"";position:absolute;top:-180px;left:-140px;width:820px;height:820px;border-radius:50%;
  background:radial-gradient(circle,rgba(20,227,155,.11),transparent 66%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;bottom:0;left:0;right:0;height:140px;
  background:linear-gradient(to bottom,transparent,var(--bg-base));
  pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:10px;padding:7px 16px 7px 10px;border-radius:var(--r-pill);
  background:var(--glass-1);border:1px solid var(--line);color:var(--text-mid);font-size:13px;
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--primary);box-shadow:0 0 12px var(--primary-glow)}
.hero h1{
  font-size:clamp(32px,5vw,56px);line-height:1.1;font-weight:700;
  color:var(--text-hi);letter-spacing:-.02em;margin:24px 0 0;
}
.hero h1 em{font-style:normal;color:var(--primary)}
.hero-sub{margin-top:22px;font-size:17px;line-height:1.8;color:var(--text-mid);max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-points{display:flex;flex-wrap:wrap;gap:14px 32px;margin-top:44px;padding-top:26px;border-top:1px solid var(--divider)}
.hero-points .point{display:flex;flex-direction:column;gap:4px}
.hero-points .point b{font-family:var(--font-num);font-size:22px;color:var(--text-hi);font-weight:700;letter-spacing:-.01em}
.hero-points .point span{font-size:12.5px;color:var(--text-low);letter-spacing:.04em}

.hero-visual{position:relative}
.hero-visual .frame{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line);
  box-shadow:0 40px 80px -50px rgba(0,0,0,.9),0 0 0 1px rgba(255,255,255,.05) inset;
  aspect-ratio:5/4;
}
.hero-visual .frame img{width:100%;height:100%;object-fit:cover}
.hero-visual .frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(7,16,14,.18) 0%,rgba(7,16,14,.72) 100%);
}
.float-card{
  position:absolute;padding:16px 18px;border-radius:16px;
  background:var(--glass-1);border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:0 20px 40px -28px rgba(0,0,0,.9);
  min-width:180px;
}
.float-card .fc-label{font-size:12px;color:var(--text-low);letter-spacing:.05em}
.float-card .fc-value{font-family:var(--font-num);font-size:19px;color:var(--text-hi);font-weight:700;margin-top:6px;display:flex;align-items:center;gap:8px}
.float-card .fc-value .pulse{width:8px;height:8px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 0 var(--primary-glow);animation:pulse 2s infinite}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(20,227,155,.5)}
  70%{box-shadow:0 0 0 12px rgba(20,227,155,0)}
  100%{box-shadow:0 0 0 0 rgba(20,227,155,0)}
}
.float-card.fc-1{top:8%;left:-6%}
.float-card.fc-2{bottom:9%;right:-4%}

/* ---------- 编号阶梯 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;position:relative}
.step{
  position:relative;padding:32px 26px 28px;border-radius:var(--r-card);
  background:var(--glass-1);border:1px solid var(--line);
  overflow:hidden;transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.step::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent)}
.step:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.step .num{
  font-family:var(--font-num);font-size:56px;font-weight:700;line-height:1;
  color:transparent;-webkit-text-stroke:1px rgba(20,227,155,.55);
  letter-spacing:-.03em;
}
.step h3{margin-top:16px;font-size:19px;color:var(--text-hi);font-weight:600}
.step p{margin-top:10px;font-size:14.5px;line-height:1.8;color:var(--text-mid)}
.step .step-tag{margin-top:18px}
.step-line{position:absolute;top:56px;left:0;right:0;height:1px;background:var(--divider);z-index:-1}

/* ---------- 1大2小错位网格 ---------- */
.grid-feature{display:grid;grid-template-columns:1.35fr 1fr;gap:24px}
.card{
  position:relative;border-radius:var(--r-card);
  background:var(--glass-1);border:1px solid var(--line);
  overflow:hidden;transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.32),transparent);z-index:2}
.card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.card-media{position:relative;overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 480ms ease}
.card:hover .card-media img{transform:scale(1.03)}
.card-media::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(7,16,14,.92) 4%,rgba(7,16,14,.25) 62%,transparent)}
.card-feature{display:flex;flex-direction:column}
.card-feature .card-media{aspect-ratio:16/9}
.card-feature .card-body{padding:28px;margin-top:-72px;position:relative;z-index:2}
.card-feature h3{font-size:23px;color:var(--text-hi);font-weight:700;margin-top:14px}
.card-feature p{margin-top:12px;font-size:15px;color:var(--text-mid);max-width:36em}
.card-side{display:grid;gap:24px;align-content:start}
.card-mini{display:flex;gap:18px;padding:22px;align-items:flex-start}
.card-mini .icon{
  flex:0 0 auto;width:46px;height:46px;border-radius:14px;
  background:rgba(20,227,155,.1);border:1px solid rgba(20,227,155,.22);
  display:grid;place-items:center;color:var(--primary);font-family:var(--font-num);font-weight:700;font-size:15px;
}
.card-mini h3{font-size:17px;color:var(--text-hi);font-weight:600;line-height:1.4}
.card-mini p{margin-top:8px;font-size:14px;color:var(--text-mid);line-height:1.75}
.card-mini .mini-foot{margin-top:14px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}

/* ---------- 进度步骤条 ---------- */
.progress-panel{
  border-radius:var(--r-card);background:var(--glass-1);border:1px solid var(--line);
  padding:40px 36px;position:relative;overflow:hidden;
}
.progress-panel::after{
  content:"";position:absolute;top:-160px;right:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(20,227,155,.1),transparent 68%);pointer-events:none;
}
.track-wrap{position:relative;margin-top:34px}
.track{position:relative;height:6px;border-radius:999px;background:rgba(255,255,255,.08);overflow:visible}
.track .fill{position:absolute;left:0;top:0;bottom:0;width:66%;border-radius:999px;background:linear-gradient(90deg,var(--primary-deep),var(--primary))}
.track .fill::after{content:"";position:absolute;right:-5px;top:50%;transform:translateY(-50%);width:12px;height:12px;border-radius:50%;background:var(--primary);box-shadow:0 0 18px 4px var(--primary-glow)}
.nodes{display:flex;justify-content:space-between;margin-top:-20px}
.node{display:flex;flex-direction:column;align-items:center;gap:12px;flex:1;text-align:center}
.node .dot{width:28px;height:28px;border-radius:50%;background:var(--bg-elev);border:2px solid rgba(255,255,255,.16);position:relative;z-index:2}
.node.done .dot{background:var(--primary);border-color:var(--primary)}
.node.current .dot{background:var(--bg-elev);border-color:var(--primary);box-shadow:0 0 0 0 var(--primary-glow);animation:pulse 2.2s infinite}
.node .nlabel{font-size:13.5px;color:var(--text-mid)}
.node.current .nlabel{color:var(--text-hi);font-weight:600}
.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:44px;padding-top:30px;border-top:1px solid var(--divider)}
.metric b{display:block;font-family:var(--font-num);font-size:30px;font-weight:700;color:var(--text-hi);letter-spacing:-.02em}
.metric span{display:block;margin-top:6px;font-size:13px;color:var(--text-low)}

/* ---------- 资讯列表 ---------- */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px}
.news-list{display:grid;gap:16px}
.news-item{
  display:grid;grid-template-columns:220px 1fr;gap:24px;align-items:center;
  padding:18px;border-radius:var(--r-card);
  background:rgba(255,255,255,.025);border:1px solid var(--divider);
  position:relative;transition:background var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.news-item::before{content:"";position:absolute;left:0;top:22%;bottom:22%;width:3px;border-radius:3px;background:var(--primary);opacity:0;transition:opacity var(--ease)}
.news-item:hover{background:rgba(255,255,255,.06);border-color:var(--line);box-shadow:var(--shadow-hover)}
.news-item:hover::before{opacity:1}
.news-thumb{display:block;border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/10;background:rgba(20,227,155,.06)}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-title{font-size:18px;font-weight:600;color:var(--text-hi);line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-title a:hover{color:var(--primary)}
.news-desc{margin-top:10px;font-size:14.5px;color:var(--text-mid);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:14px}
.news-meta time,.news-time{font-family:var(--font-num);font-size:13px;color:var(--text-low);letter-spacing:.03em}
.news-meta .arrow-link{margin-left:auto}
.empty-state{
  border-radius:var(--r-card);border:1px dashed var(--line);
  background:rgba(255,255,255,.02);padding:56px 24px;text-align:center;
}
.empty-state .es-icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:16px;
  background:rgba(20,227,155,.08);border:1px solid rgba(20,227,155,.24);
  display:grid;place-items:center;color:var(--primary);font-family:var(--font-num);font-size:20px;
}
.empty-state p{color:var(--text-mid);font-size:15px}
.empty-state .btn{margin-top:22px}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:14px;max-width:900px}
.faq-item{
  border-radius:var(--r-card);background:var(--glass-1);border:1px solid var(--line);
  overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item:hover{border-color:var(--line-strong)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:none;border:none;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--text-hi);min-height:44px;
}
.faq-q .ic{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--primary);font-size:16px;line-height:1;
  transition:transform var(--ease),background var(--ease);
}
.faq-item.open .faq-q .ic{transform:rotate(45deg);background:rgba(20,227,155,.12)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 320ms ease}
.faq-a p{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--text-mid)}
.faq-item.open .faq-a{max-height:360px}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;border-radius:24px;overflow:hidden;
  border:1px solid var(--line);background:linear-gradient(150deg,rgba(16,28,24,.92),rgba(7,16,14,.96));
  padding:56px;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;
}
.cta-panel::before{
  content:"";position:absolute;top:-200px;left:-120px;width:640px;height:640px;border-radius:50%;
  background:radial-gradient(circle,rgba(20,227,155,.13),transparent 66%);pointer-events:none;
}
.cta-panel::after{
  content:"";position:absolute;bottom:-220px;right:-140px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,61,.1),transparent 68%);pointer-events:none;
}
.cta-copy{position:relative;z-index:2}
.cta-copy h2::after{margin-top:16px}
.cta-copy p{margin-top:18px;font-size:15.5px;color:var(--text-mid);max-width:36em}
.form-card{position:relative;z-index:2;background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:var(--r-card);padding:28px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;color:var(--text-mid);margin-bottom:8px;letter-spacing:.02em}
.field input{
  width:100%;height:50px;padding:0 16px;border-radius:var(--r-input);
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--text-hi);
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.field input::placeholder{color:var(--text-low)}
.field input:focus{outline:none;border-color:var(--primary);background:rgba(20,227,155,.06);box-shadow:0 0 0 4px rgba(20,227,155,.12)}
.field.has-error input{border-color:var(--error);box-shadow:0 0 0 4px rgba(255,92,92,.1)}
.field .err{display:none;margin-top:8px;font-size:13px;color:var(--error)}
.field.has-error .err{display:block}
.form-card .btn{width:100%}
.form-note{margin-top:14px;font-size:12.5px;color:var(--text-low);line-height:1.7}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:40px;border-top:1px solid var(--divider);position:relative;
  background:linear-gradient(to bottom,rgba(10,21,18,.6),var(--bg-base));
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(20,227,155,.5),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding:68px 0 44px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{font-size:14px;color:var(--text-mid);max-width:26em}
.footer-col h4{font-size:14px;color:var(--text-hi);font-weight:600;letter-spacing:.04em;margin-bottom:18px}
.footer-col li{margin-bottom:12px}
.footer-col a{font-size:14px;color:var(--text-mid);transition:color var(--ease)}
.footer-col a:hover{color:var(--primary)}
.footer-col .muted{font-size:13.5px;color:var(--text-low);line-height:1.9}
.footer-bottom{
  border-top:1px solid var(--divider);padding:22px 0 34px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:var(--text-low)}
.footer-bottom .fb-links{display:flex;gap:20px;flex-wrap:wrap}
.footer-bottom .fb-links a{font-size:13px;color:var(--text-low)}
.footer-bottom .fb-links a:hover{color:var(--primary)}

/* ---------- 动效 ---------- */
.fade-up{opacity:0;transform:translateY(12px);transition:opacity 340ms ease,transform 340ms ease}
.fade-up.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .grid-feature{grid-template-columns:1fr 1fr}
  .news-item{grid-template-columns:200px 1fr}
}
@media (max-width:1024px){
  .section{padding:88px 0}
  .hero{padding:150px 0 80px;min-height:auto}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-visual{order:2}
  .hero-visual .frame{aspect-ratio:16/10}
  .float-card.fc-1{left:2%}
  .float-card.fc-2{right:2%}
  .grid-feature{grid-template-columns:1fr}
  .grid-feature .card-side{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr;gap:16px}
  .step-line{display:none}
  .cta-panel{grid-template-columns:1fr;gap:36px;padding:44px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:900px){
  .nav-menu,.nav-cta{display:none}
  .nav-toggle{display:block}
  .nav-shell{height:64px;padding:0 12px 0 18px}
  .site-nav.scrolled .nav-shell{height:58px}
  .brand-name{font-size:15px}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .section{padding:64px 0}
  .hero{padding:130px 0 64px}
  .hero-points{gap:18px 26px}
  .hero-points .point{flex:1 1 40%}
  .grid-feature .card-side{grid-template-columns:1fr}
  .news-item{grid-template-columns:1fr;gap:16px}
  .news-thumb{aspect-ratio:16/9}
  .news-meta .arrow-link{margin-left:0;width:100%}
  .metrics{grid-template-columns:1fr;gap:16px;text-align:left}
  .progress-panel{padding:28px 22px}
  .nodes{margin-top:-18px}
  .node .nlabel{font-size:12px}
  .faq-q{padding:18px}
  .faq-a p{padding:0 18px 20px}
  .cta-panel{padding:32px 22px;border-radius:20px}
  .footer-grid{grid-template-columns:1fr;padding:52px 0 32px}
}
@media (max-width:520px){
  body{font-size:15px}
  .hero h1{font-size:clamp(28px,8.5vw,36px)}
  .hero-actions .btn{width:100%}
  .float-card{min-width:150px;padding:12px 14px}
  .float-card .fc-value{font-size:16px}
  .hero-visual .frame{aspect-ratio:4/3}
  .step{padding:26px 20px 22px}
  .step .num{font-size:44px}
  .card-feature .card-body{padding:22px}
  .card-mini{flex-direction:column;gap:14px}
  .news-thumb{aspect-ratio:16/10}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .fade-up{opacity:1;transform:none}
  html{scroll-behavior:auto}
}
@supports not ((backdrop-filter:blur(4px)) or (-webkit-backdrop-filter:blur(4px))){
  .nav-shell,.float-card,.hero-badge,.drawer{background:#101C18}
}

/* roulang page: article */
:root{
  --bg-base:#07100E;
  --bg-deep:#0A1512;
  --bg-elev:#101C18;
  --glass-1:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  --glass-2:rgba(10,21,18,.72);
  --primary:#14E39B;
  --primary-deep:#0BAE77;
  --primary-glow:rgba(20,227,155,.35);
  --primary-soft:rgba(20,227,155,.12);
  --accent:#FF7A3D;
  --accent-soft:rgba(255,122,61,.14);
  --info:#6FD3FF;
  --text-hi:#EAF5F1;
  --text-mid:#B9C9C3;
  --text-low:#7E8F89;
  --line:rgba(255,255,255,.10);
  --divider:rgba(255,255,255,.06);
  --success:#14E39B;
  --pending:#FFB020;
  --error:#FF5C5C;
  --radius-card:18px;
  --radius-img:14px;
  --radius-input:12px;
  --radius-pill:999px;
  --shadow-hover:0 18px 40px -24px rgba(20,227,155,.35);
  --nav-h:72px;
  --container:1200px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"Inter","Barlow Condensed","HarmonyOS Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-mid);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  overflow-x:hidden;
  text-rendering:optimizeLegibility;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.5;
  pointer-events:none;
  z-index:0;
}
body::after{
  content:"";
  position:fixed;
  top:-220px;
  right:-160px;
  width:760px;
  height:760px;
  background:radial-gradient(circle,rgba(20,227,155,.11),transparent 68%);
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;border-radius:var(--radius-img)}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--text-hi);font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1.2em}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
::selection{background:var(--primary-soft);color:var(--text-hi)}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;position:relative;z-index:1}
.mono{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.02em}

/* ============ 导航 ============ */
.site-header{position:fixed;top:16px;left:0;right:0;z-index:90;padding:0 24px;transition:top .24s ease}
.nav-shell{
  max-width:var(--container);
  margin:0 auto;
  height:var(--nav-h);
  display:flex;
  align-items:center;
  gap:20px;
  padding:0 12px 0 20px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line);
  background:var(--glass-2);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  transition:height .24s ease,background .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.site-header.scrolled .nav-shell{
  height:60px;
  background:rgba(8,18,15,.86);
  border-color:rgba(255,255,255,.16);
  box-shadow:0 12px 32px -18px rgba(0,0,0,.9);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#05140F;font-family:var(--font-num);font-weight:700;font-size:14px;letter-spacing:.02em;
  box-shadow:0 0 0 1px rgba(255,255,255,.14),0 8px 22px -12px var(--primary-glow);
}
.brand-name{color:var(--text-hi);font-size:16px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.brand-name span{color:var(--primary);font-weight:600}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;
  padding:9px 16px;
  border-radius:var(--radius-pill);
  font-size:15px;
  color:var(--text-mid);
  transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:2px;width:0;height:2px;border-radius:2px;
  background:var(--primary);transform:translateX(-50%);
  box-shadow:0 0 10px var(--primary-glow);transition:width .22s ease;
}
.nav-link:hover{color:var(--text-hi)}
.nav-link:hover::after{width:16px}
.nav-link.active{color:var(--primary);background:var(--primary-soft)}
.nav-link.active::after{width:0}
.nav-cta{
  flex:0 0 auto;
  padding:11px 22px;
  border-radius:var(--radius-pill);
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#05140F;font-weight:700;font-size:14px;
  box-shadow:0 0 0 1px rgba(255,255,255,.12),0 12px 26px -14px var(--primary-glow);
  transition:transform .2s ease,filter .2s ease,box-shadow .2s ease;
}
.nav-cta:hover{filter:brightness(1.06);transform:translateY(-1px)}
.nav-cta:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(255,255,255,.10)}
.nav-cta-mobile{display:none}
.nav-toggle{
  display:none;
  width:44px;height:44px;border-radius:14px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  color:var(--text-hi);cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;margin:4px auto;border-radius:2px;transition:transform .22s ease,opacity .22s ease}
.nav-toggle.open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ============ 通用组件 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 26px;border:1px solid transparent;
  border-radius:var(--radius-pill);font-size:15px;font-weight:600;
  cursor:pointer;transition:transform .2s ease,filter .2s ease,background .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#05140F;box-shadow:0 0 0 1px rgba(255,255,255,.12),0 14px 30px -16px var(--primary-glow);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);filter:brightness(.98);box-shadow:0 0 0 1px rgba(255,255,255,.08)}
.btn-ghost{
  background:rgba(255,255,255,.04);border-color:var(--line);color:var(--text-hi);
}
.btn-ghost:hover{background:rgba(255,255,255,.08);transform:translateY(-1px)}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);font-size:14px;font-weight:600;
}
.link-arrow i{font-style:normal;transition:transform .2s ease}
.link-arrow:hover i{transform:translateX(4px)}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--radius-pill);
  font-size:13px;font-weight:500;
  background:var(--primary-soft);color:var(--primary);
}
.badge-accent{background:var(--accent-soft);color:var(--accent)}
.badge-info{background:rgba(111,211,255,.14);color:var(--info)}
.badge-line{background:rgba(255,255,255,.05);color:var(--text-mid);border:1px solid var(--line)}
.card{
  position:relative;
  background:var(--glass-1);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px;
  -webkit-backdrop-filter:blur(12px) saturate(140%);
  backdrop-filter:blur(12px) saturate(140%);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.card::before{
  content:"";position:absolute;left:14px;right:14px;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.30),transparent);
}
.card:hover{transform:translateY(-2px);border-color:rgba(255,255,255,.16);box-shadow:var(--shadow-hover)}
.section{padding:96px 0;position:relative;z-index:1}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:clamp(24px,3vw,36px);line-height:1.2}
.section-head h2::after{content:"";display:block;width:40px;height:3px;border-radius:3px;background:var(--primary);margin-top:14px}
.section-head p{margin-top:16px;color:var(--text-mid);font-size:15px;line-height:1.8}
.divider{height:1px;background:var(--divider);border:0;margin:0}

/* ============ 文章头部 ============ */
.article-hero{
  position:relative;
  padding:150px 0 40px;
  z-index:1;
  overflow:hidden;
}
.article-hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(180deg,rgba(7,16,14,.72),rgba(7,16,14,.94)),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  opacity:.9;
  z-index:-1;
}
.article-hero::after{
  content:"";position:absolute;left:50%;top:-120px;transform:translateX(-50%);
  width:840px;height:520px;
  background:radial-gradient(circle,rgba(20,227,155,.12),transparent 70%);
  pointer-events:none;z-index:-1;
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-low);letter-spacing:.04em;margin-bottom:24px;
}
.breadcrumb a{color:var(--text-low);transition:color .2s ease}
.breadcrumb a:hover{color:var(--text-hi)}
.breadcrumb .sep{opacity:.5}
.breadcrumb .current{color:var(--primary);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-title{
  font-size:clamp(28px,4vw,46px);
  line-height:1.16;
  letter-spacing:-.02em;
  max-width:900px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  margin-top:22px;font-size:13px;color:var(--text-low);letter-spacing:.04em;
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.22)}
.meta-line{margin-top:28px;height:1px;background:var(--divider)}

/* ============ 文章布局 ============ */
.article-main{padding:56px 0 96px;position:relative;z-index:1}
.article-layout{display:grid;grid-template-columns:minmax(0,820px) 320px;gap:48px;justify-content:center;align-items:start}
.article-body{
  font-size:17px;line-height:1.9;color:var(--text-mid);
  min-width:0;
}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;
  font-size:clamp(21px,2.4vw,28px);line-height:1.35;
  margin:2.2em 0 .9em;padding-left:14px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--primary),var(--primary-deep));
  box-shadow:0 0 12px var(--primary-glow);
}
.article-body h3{font-size:19px;line-height:1.45;margin:1.6em 0 .7em;color:var(--text-hi)}
.article-body h4{font-size:17px;margin:1.4em 0 .6em}
.article-body strong{color:var(--text-hi)}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(20,227,155,.35)}
.article-body a:hover{border-bottom-color:var(--primary)}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:0}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:.6em}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.68em;width:6px;height:6px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 8px var(--primary-glow);
}
.article-body ol{counter-reset:li}
.article-body ol li{position:relative;padding-left:28px;margin-bottom:.7em;counter-increment:li}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:.28em;
  width:20px;height:20px;border-radius:7px;display:grid;place-items:center;
  font-family:var(--font-num);font-size:12px;font-weight:700;
  background:var(--primary-soft);color:var(--primary);
}
.article-body blockquote{
  margin:1.6em 0;padding:20px 24px;
  background:var(--glass-1);border:1px solid var(--line);
  border-left:3px solid var(--primary);
  border-radius:var(--radius-img);
  color:var(--text-mid);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{
  border-radius:var(--radius-img);margin:1.6em 0 .7em;
  border:1px solid var(--line);width:100%;height:auto;
}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--text-low);text-align:center}
.article-body table{
  width:100%;display:block;overflow-x:auto;
  border:1px solid var(--line);border-radius:var(--radius-img);
  border-collapse:collapse;margin:1.6em 0;font-size:15px;
}
.article-body table th,.article-body table td{padding:12px 16px;border-bottom:1px solid var(--divider);text-align:left;white-space:nowrap}
.article-body table th{color:var(--text-hi);background:rgba(255,255,255,.04)}
.article-body hr{border:0;height:1px;background:var(--divider);margin:2.4em 0}
.article-body code{
  font-family:var(--font-num);font-size:14px;padding:2px 7px;border-radius:8px;
  background:rgba(255,255,255,.06);color:var(--primary);
}
.article-body pre{
  background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--radius-img);
  padding:18px 20px;overflow-x:auto;font-size:14px;margin:1.6em 0;
}
.article-body pre code{background:none;padding:0;color:var(--text-mid)}

/* 文章尾部 */
.article-foot{margin-top:48px;padding-top:28px;border-top:1px solid var(--divider)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:48px}
.pager-card{
  display:block;position:relative;
  background:var(--glass-1);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px 24px;transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.pager-card:hover{transform:translateY(-2px);border-color:rgba(255,255,255,.16);box-shadow:var(--shadow-hover)}
.pager-card span{display:block;font-size:12px;letter-spacing:.1em;color:var(--text-low);margin-bottom:10px}
.pager-card strong{display:block;color:var(--text-hi);font-size:16px;line-height:1.5;font-weight:600}
.pager-card p{margin:8px 0 0;font-size:13px;color:var(--text-low);line-height:1.7}
.block-title{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px}
.block-title h3{font-size:18px}
.compact-list{border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;background:var(--glass-1)}
.compact-item{
  display:flex;align-items:center;gap:16px;
  padding:18px 22px;border-bottom:1px solid var(--divider);
  transition:background .2s ease,box-shadow .2s ease;
}
.compact-item:last-child{border-bottom:0}
.compact-item:hover{background:rgba(255,255,255,.04);box-shadow:inset 3px 0 0 var(--primary)}
.compact-item .ci-index{
  font-family:var(--font-num);font-size:13px;color:var(--primary);
  min-width:26px;letter-spacing:.04em;
}
.compact-item .ci-text{min-width:0;flex:1}
.compact-item .ci-text strong{display:block;color:var(--text-hi);font-size:15.5px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.compact-item .ci-text p{margin:6px 0 0;font-size:13px;color:var(--text-low);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.compact-item .ci-arrow{color:var(--text-low);flex:0 0 auto;transition:transform .2s ease,color .2s ease}
.compact-item:hover .ci-arrow{color:var(--primary);transform:translateX(4px)}
.back-cat{display:inline-flex;margin-top:32px}

/* 侧栏 */
.article-aside{position:sticky;top:110px;display:flex;flex-direction:column;gap:20px}
.aside-card h3{font-size:15px;margin-bottom:16px;letter-spacing:.02em}
.toc-list li{margin-bottom:4px}
.toc-list a{
  display:block;padding:8px 12px;border-radius:10px;
  font-size:14px;color:var(--text-mid);line-height:1.6;
  border-left:2px solid transparent;transition:all .2s ease;
}
.toc-list a:hover{background:rgba(255,255,255,.04);color:var(--text-hi)}
.toc-list a.active{color:var(--primary);background:var(--primary-soft);border-left-color:var(--primary)}
.quick-list li{border-bottom:1px solid var(--divider)}
.quick-list li:last-child{border-bottom:0}
.quick-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 0;font-size:14px;color:var(--text-mid);transition:color .2s ease,padding .2s ease;
}
.quick-list a:hover{color:var(--primary);padding-left:6px}
.quick-list a i{font-style:normal;color:var(--text-low)}
.mini-cta p{font-size:13px;color:var(--text-low);line-height:1.75;margin-bottom:16px}
.aside-stat{display:flex;gap:14px;margin-top:16px}
.aside-stat div{flex:1;text-align:center;padding:10px 6px;border-radius:12px;background:rgba(255,255,255,.04);border:1px solid var(--divider)}
.aside-stat b{display:block;font-family:var(--font-num);font-size:18px;color:var(--primary)}
.aside-stat span{font-size:12px;color:var(--text-low)}

/* 空态 */
.empty-state{
  text-align:center;padding:72px 24px;
  background:var(--glass-1);border:1px solid var(--line);border-radius:var(--radius-card);
}
.empty-icon{
  width:56px;height:56px;margin:0 auto 20px;border-radius:16px;display:grid;place-items:center;
  background:var(--primary-soft);color:var(--primary);font-family:var(--font-num);font-weight:700;
}
.empty-state h2{font-size:22px;margin-bottom:12px}
.empty-state p{font-size:15px;color:var(--text-low)}

/* CTA 面板 */
.cta-panel{
  position:relative;overflow:hidden;
  border:1px solid var(--line);border-radius:calc(var(--radius-card) + 6px);
  background:linear-gradient(135deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  padding:56px 48px;
  display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center;
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
.cta-panel::before{
  content:"";position:absolute;left:-120px;bottom:-180px;width:560px;height:560px;
  background:radial-gradient(circle,rgba(20,227,155,.14),transparent 68%);
  pointer-events:none;
}
.cta-panel h2{font-size:clamp(24px,3vw,34px);line-height:1.22}
.cta-panel p{margin:16px 0 0;font-size:15px;color:var(--text-mid);max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;position:relative;z-index:1}

/* 页脚 */
.site-footer{
  position:relative;z-index:1;margin-top:40px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(10,21,18,.6),rgba(7,16,14,.98));
  padding:72px 0 28px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(20,227,155,.55),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{font-size:14px;color:var(--text-low);line-height:1.8;max-width:340px}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text-hi)}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:14px;color:var(--text-mid);transition:color .2s ease,padding-left .2s ease}
.footer-col a:hover{color:var(--primary);padding-left:4px}
.footer-col p.muted{font-size:13.5px;color:var(--text-low);line-height:1.8}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--divider);
  display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between;
}
.footer-bottom p{margin:0;font-size:13px;color:var(--text-low)}
.fb-links{display:flex;flex-wrap:wrap;gap:18px}
.fb-links a{font-size:13px;color:var(--text-low);transition:color .2s ease}
.fb-links a:hover{color:var(--primary)}

/* 滚动进入动画 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .38s ease,transform .38s ease}
.reveal.in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* 响应式 */
@media (max-width:1280px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:36px}
}
@media (max-width:1100px){
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .article-aside{position:static;order:2;display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
  .article-aside .aside-card:first-child{grid-column:1/-1}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:32px}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:900px){
  .site-header{top:10px;padding:0 12px}
  .nav-shell{height:60px;padding:0 10px 0 14px}
  .nav-menu{
    position:fixed;inset:0;margin:0;padding:96px 24px 32px;
    flex-direction:column;align-items:stretch;gap:0;
    background:rgba(7,16,14,.94);
    -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
    transform:translateY(-12px);opacity:0;pointer-events:none;
    transition:opacity .24s ease,transform .24s ease;
    z-index:95;overflow-y:auto;
  }
  .nav-menu.open{opacity:1;transform:none;pointer-events:auto}
  .nav-link{
    font-size:18px;line-height:56px;padding:0 8px;border-radius:0;
    border-bottom:1px solid var(--divider);
  }
  .nav-link::after{display:none}
  .nav-link.active{background:transparent;color:var(--primary)}
  .nav-cta{display:none}
  .nav-cta-mobile{
    display:inline-flex;margin-top:26px;
    align-items:center;justify-content:center;min-height:48px;
    border-radius:var(--radius-pill);
    background:linear-gradient(135deg,var(--primary),var(--primary-deep));
    color:#05140F;font-weight:700;font-size:16px;
  }
  .nav-toggle{display:block;margin-left:auto;position:relative;z-index:96}
  .article-hero{padding:120px 0 32px}
  .section{padding:72px 0}
  .cta-panel{grid-template-columns:1fr;padding:40px 28px}
  .cta-actions{justify-content:flex-start}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .pager{grid-template-columns:1fr}
  .article-aside{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:1/-1}
  .article-body{font-size:16px;line-height:1.85}
}
@media (max-width:520px){
  .article-hero{padding:104px 0 24px}
  .article-title{-webkit-line-clamp:3}
  .section{padding:56px 0}
  .card{padding:20px}
  .btn{width:100%}
  .cta-actions{flex-direction:column}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
:root{
  --bg-base:#07100E;
  --bg-deep:#0A1512;
  --bg-elev:#101C18;
  --glass-1:linear-gradient(155deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  --glass-2:rgba(10,21,18,.72);
  --primary:#14E39B;
  --primary-deep:#0BAE77;
  --primary-glow:rgba(20,227,155,.35);
  --accent:#FF7A3D;
  --accent-soft:rgba(255,122,61,.14);
  --info:#6FD3FF;
  --text-hi:#EAF5F1;
  --text-mid:#B9C9C3;
  --text-low:#7E8F89;
  --line:rgba(255,255,255,.10);
  --divider:rgba(255,255,255,.06);
  --success:#14E39B;
  --pending:#FFB020;
  --error:#FF5C5C;
  --disabled:rgba(255,255,255,.28);
  --r-card:18px;
  --r-img:14px;
  --r-input:12px;
  --r-pill:999px;
  --container:1200px;
  --font:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"Inter","Barlow Condensed",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-hi);
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden;}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,textarea{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.02em;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- 顶部悬浮胶囊导航 ---------- */
.site-header{
  position:fixed;
  top:16px;
  left:0;
  right:0;
  z-index:90;
  padding:0 20px;
  transition:top .24s ease;
}
.nav-pill{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:24px;
  height:72px;
  padding:0 14px 0 22px;
  border-radius:var(--r-pill);
  background:var(--glass-2);
  border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  transition:height .24s ease,background .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.site-header.scrolled .nav-pill{
  height:60px;
  background:rgba(8,18,15,.9);
  border-color:rgba(255,255,255,.16);
  box-shadow:0 12px 32px -18px rgba(0,0,0,.9);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;
  display:grid;place-items:center;
  border-radius:12px;
  background:linear-gradient(140deg,var(--primary),var(--primary-deep));
  color:#05140F;
  font-family:var(--mono);
  font-weight:700;
  font-size:14px;
  letter-spacing:.04em;
  box-shadow:0 0 0 1px rgba(20,227,155,.35),0 10px 26px -14px var(--primary-glow);
}
.brand-name{
  font-size:16px;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--text-hi);
  white-space:nowrap;
}
.brand-name span{color:var(--primary);}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;
  padding:9px 16px;
  border-radius:var(--r-pill);
  font-size:14.5px;
  color:var(--text-mid);
  transition:color .2s ease,background .2s ease;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:4px;
  width:0;
  height:2px;
  border-radius:2px;
  background:var(--primary);
  box-shadow:0 0 10px var(--primary-glow);
  transform:translateX(-50%);
  transition:width .22s ease;
}
.nav-link:hover{color:var(--text-hi);}
.nav-link:hover::after{width:16px;}
.nav-link.active{
  color:var(--primary);
  background:rgba(20,227,155,.12);
}
.nav-link.active::after{width:16px;}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 24px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{
  background:linear-gradient(140deg,var(--primary),var(--primary-deep));
  color:#05140F;
  box-shadow:0 0 0 1px rgba(20,227,155,.35),0 14px 32px -18px var(--primary-glow);
}
.btn-primary:hover{
  transform:translateY(-1px);
  filter:brightness(1.06);
  box-shadow:0 0 0 1px rgba(20,227,155,.5),0 18px 38px -18px var(--primary-glow);
}
.btn-primary:active{transform:translateY(1px);filter:brightness(.96);}
.btn-ghost{
  background:var(--glass-1);
  color:var(--text-hi);
  border-color:var(--line);
}
.btn-ghost:hover{background:rgba(255,255,255,.08);transform:translateY(-1px);}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px;}
.btn:disabled{opacity:.4;cursor:not-allowed;pointer-events:none;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:var(--glass-1);
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text-hi);transition:transform .24s ease,opacity .24s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:120;
  background:rgba(7,16,14,.94);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  padding:96px 24px 40px;
  display:flex;
  flex-direction:column;
  gap:0;
  opacity:0;
  visibility:hidden;
  transform:translateY(-8px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s;
}
.mobile-drawer.open{opacity:1;visibility:visible;transform:translateY(0);}
.mobile-drawer a.m-link{
  display:flex;
  align-items:center;
  height:56px;
  font-size:18px;
  color:var(--text-mid);
  border-bottom:1px solid var(--divider);
}
.mobile-drawer a.m-link.active{color:var(--primary);}
.mobile-drawer .m-cta{margin-top:28px;}
.mobile-drawer .m-cta .btn{width:100%;}

/* ---------- 页面头部横幅 ---------- */
.page-hero{
  position:relative;
  margin-top:0;
  min-height:360px;
  display:flex;
  align-items:flex-end;
  padding:150px 0 56px;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(7,16,14,.72),rgba(7,16,14,.9) 70%,var(--bg-base));
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.5;
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-low);
  margin-bottom:18px;
  letter-spacing:.02em;
}
.crumb a:hover{color:var(--primary);}
.crumb .now{color:var(--primary);}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:rgba(20,227,155,.12);
  color:var(--primary);
  font-size:13px;
  font-weight:500;
  letter-spacing:.04em;
  margin-bottom:16px;
}
.hero-eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px var(--primary);}
.page-hero h1{
  font-size:clamp(32px,5vw,52px);
  line-height:1.1;
  margin-bottom:18px;
  max-width:900px;
}
.page-hero h1 em{font-style:normal;color:var(--primary);}
.hero-lead{
  max-width:760px;
  color:var(--text-mid);
  font-size:16px;
  line-height:1.8;
}
.hero-badges{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:26px;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 16px;
  border-radius:var(--r-pill);
  background:var(--glass-1);
  border:1px solid var(--line);
  font-size:13px;
  color:var(--text-mid);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
}
.chip b{color:var(--text-hi);font-weight:600;}
.chip .ico{width:8px;height:8px;border-radius:50%;background:var(--primary);box-shadow:0 0 8px var(--primary-glow);}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head h2{
  font-size:clamp(24px,3vw,36px);
  line-height:1.2;
  margin-bottom:14px;
  position:relative;
  padding-bottom:16px;
}
.section-head h2::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:40px;height:3px;
  border-radius:3px;
  background:var(--primary);
  box-shadow:0 0 14px var(--primary-glow);
}
.section-head p{color:var(--text-mid);font-size:15.5px;}

/* ---------- 分类页主体：左粘性侧栏 + 右主内容 ---------- */
.guide-layout{
  display:grid;
  grid-template-columns:264px minmax(0,1fr);
  gap:56px;
  align-items:start;
}
.guide-aside{position:sticky;top:110px;display:flex;flex-direction:column;gap:20px;}
.aside-card{
  border-radius:var(--r-card);
  background:var(--glass-1);
  border:1px solid var(--line);
  padding:22px 20px;
}
.aside-card h3{
  font-size:13px;
  letter-spacing:.08em;
  color:var(--text-low);
  font-weight:600;
  margin-bottom:14px;
  text-transform:uppercase;
}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  display:block;
  padding:9px 12px;
  border-radius:10px;
  font-size:14.5px;
  color:var(--text-mid);
  border-left:2px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.toc-list a:hover,.toc-list a.active{
  background:rgba(255,255,255,.05);
  color:var(--text-hi);
  border-left-color:var(--primary);
}
.rel-list{display:flex;flex-direction:column;gap:8px;}
.rel-list a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:12px 14px;
  border-radius:12px;
  background:rgba(255,255,255,.03);
  border:1px solid var(--divider);
  font-size:14px;
  color:var(--text-mid);
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.rel-list a:hover{
  background:rgba(255,255,255,.07);
  color:var(--text-hi);
  border-color:var(--line);
  transform:translateX(2px);
}
.rel-list .arrow{color:var(--primary);font-size:15px;}

.guide-main{min-width:0;display:flex;flex-direction:column;gap:56px;}
.guide-group{}
.group-title{
  display:flex;
  align-items:baseline;
  gap:14px;
  margin-bottom:8px;
}
.group-title h2{
  font-size:22px;
  line-height:1.4;
  position:relative;
  padding-left:16px;
}
.group-title h2::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:3px;
  border-radius:3px;
  background:var(--primary);
  box-shadow:0 0 12px var(--primary-glow);
}
.group-title .count{
  font-family:var(--mono);
  font-size:13px;
  color:var(--text-low);
  letter-spacing:.04em;
}
.group-desc{color:var(--text-mid);font-size:15px;margin:0 0 18px;padding-left:16px;}
.guide-list{
  border-top:1px solid var(--divider);
}
.guide-item{
  position:relative;
  display:block;
  padding:22px 18px 22px 20px;
  border-bottom:1px solid var(--divider);
  transition:background .22s ease,padding .22s ease;
}
.guide-item::before{
  content:"";
  position:absolute;
  left:0;top:18px;bottom:18px;
  width:3px;
  border-radius:3px;
  background:var(--primary);
  opacity:0;
  transform:scaleY(.4);
  transition:opacity .22s ease,transform .22s ease;
  box-shadow:0 0 12px var(--primary-glow);
}
.guide-item:hover{background:rgba(255,255,255,.04);}
.guide-item:hover::before{opacity:1;transform:scaleY(1);}
.guide-item h3{
  font-size:17.5px;
  font-weight:600;
  line-height:1.45;
  margin-bottom:8px;
  color:var(--text-hi);
  transition:color .2s ease;
}
.guide-item:hover h3{color:var(--primary);}
.guide-item p{
  font-size:14.5px;
  line-height:1.75;
  color:var(--text-mid);
  margin:0 0 12px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.item-meta{
  display:flex;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
}
.badge{
  display:inline-flex;
  align-items:center;
  padding:4px 12px;
  border-radius:var(--r-pill);
  font-size:12.5px;
  font-weight:500;
  letter-spacing:.03em;
  background:rgba(20,227,155,.12);
  color:var(--primary);
}
.badge.orange{background:var(--accent-soft);color:var(--accent);}
.badge.info{background:rgba(111,211,255,.12);color:var(--info);}
.badge.gray{background:rgba(255,255,255,.07);color:var(--text-mid);}
.item-link{
  margin-left:auto;
  font-size:13.5px;
  color:var(--text-low);
  display:inline-flex;
  align-items:center;
  gap:6px;
  transition:color .2s ease;
}
.guide-item:hover .item-link{color:var(--primary);}
.item-link .arrow{transition:transform .2s ease;}
.guide-item:hover .item-link .arrow{transform:translateX(4px);}
.mono{font-family:var(--mono);letter-spacing:.04em;}

/* ---------- 状态对照 ---------- */
.status-panel{
  border-radius:var(--r-card);
  background:var(--glass-1);
  border:1px solid var(--line);
  padding:36px 34px;
  position:relative;
  overflow:hidden;
}
.status-panel::before{
  content:"";
  position:absolute;
  top:-160px;right:-120px;
  width:460px;height:460px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(20,227,155,.12),transparent 68%);
  pointer-events:none;
}
.status-panel .section-head{margin-bottom:30px;position:relative;z-index:1;}
.status-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px;
  position:relative;
  z-index:1;
}
.status-card{
  border-radius:var(--r-img);
  background:rgba(255,255,255,.03);
  border:1px solid var(--divider);
  padding:20px 18px;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.status-card:hover{
  transform:translateY(-2px);
  border-color:rgba(255,255,255,.16);
  box-shadow:0 18px 40px -24px var(--primary-glow);
}
.status-top{display:flex;align-items:center;gap:8px;margin-bottom:12px;}
.status-dot{width:9px;height:9px;border-radius:50%;}
.dot-ok{background:var(--success);box-shadow:0 0 10px rgba(20,227,155,.6);}
.dot-pending{background:var(--pending);box-shadow:0 0 10px rgba(255,176,32,.55);}
.dot-error{background:var(--error);box-shadow:0 0 10px rgba(255,92,92,.55);}
.dot-idle{background:var(--disabled);}
.status-card h4{font-size:15.5px;font-weight:600;margin-bottom:6px;}
.status-card p{font-size:13.5px;line-height:1.7;color:var(--text-mid);margin:0;}
.status-code{
  font-family:var(--mono);
  font-size:12px;
  color:var(--text-low);
  letter-spacing:.08em;
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{
  border-radius:var(--r-card);
  background:var(--glass-1);
  border:1px solid var(--line);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item:hover{border-color:rgba(255,255,255,.16);}
.faq-item.open{border-color:rgba(20,227,155,.35);box-shadow:0 18px 40px -28px var(--primary-glow);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 22px;
  font-size:16px;
  font-weight:600;
  color:var(--text-hi);
  text-align:left;
  min-height:44px;
}
.faq-icon{
  flex:0 0 auto;
  width:26px;height:26px;
  display:grid;place-items:center;
  border-radius:50%;
  background:rgba(20,227,155,.12);
  color:var(--primary);
  font-size:16px;
  line-height:1;
  transition:transform .24s ease;
}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease;
}
.faq-a-inner{
  padding:0 22px 22px;
  font-size:15px;
  line-height:1.8;
  color:var(--text-mid);
  border-top:1px solid var(--divider);
  margin-top:0;
  padding-top:16px;
}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--glass-1);
  padding:48px 44px;
  display:grid;
  grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);
  gap:36px;
  align-items:center;
  overflow:hidden;
}
.cta-panel::before{
  content:"";
  position:absolute;
  left:-140px;bottom:-200px;
  width:620px;height:620px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(20,227,155,.14),transparent 66%);
  pointer-events:none;
}
.cta-panel::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.4;
  pointer-events:none;
}
.cta-panel > *{position:relative;z-index:1;}
.cta-panel h2{font-size:clamp(22px,2.6vw,32px);line-height:1.25;margin-bottom:14px;}
.cta-panel p{color:var(--text-mid);font-size:15px;margin:0;}
.cta-actions{display:flex;flex-direction:column;gap:12px;}
.cta-actions .btn{width:100%;}
.cta-note{font-size:13px;color:var(--text-low);text-align:center;margin-top:4px;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:40px;
  border-top:1px solid var(--divider);
  background:var(--bg-deep);
  position:relative;
  padding-top:64px;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:-1px;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(20,227,155,.5),transparent);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--text-mid);line-height:1.8;max-width:340px;}
.footer-col h4{
  font-size:14px;
  letter-spacing:.04em;
  color:var(--text-hi);
  margin-bottom:16px;
  font-weight:600;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:var(--text-mid);transition:color .2s ease,padding-left .2s ease;}
.footer-col a:hover{color:var(--primary);padding-left:4px;}
.footer-col .muted{font-size:13.5px;color:var(--text-low);line-height:1.8;}
.footer-bottom{
  border-top:1px solid var(--divider);
  padding:22px 0 30px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:var(--text-low);margin:0;}
.fb-links{display:flex;gap:20px;flex-wrap:wrap;}
.fb-links a{font-size:13px;color:var(--text-low);transition:color .2s ease;}
.fb-links a:hover{color:var(--primary);}

/* ---------- 动效 ---------- */
.fade-up{opacity:0;transform:translateY(12px);transition:opacity .4s ease,transform .4s ease;}
.fade-up.visible{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .guide-layout{gap:40px;}
}
@media (max-width:1024px){
  .guide-layout{grid-template-columns:1fr;gap:36px;}
  .guide-aside{position:static;flex-direction:column;}
  .aside-card + .aside-card{margin-top:0;}
  .status-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-panel{grid-template-columns:1fr;padding:40px 32px;}
}
@media (max-width:900px){
  .nav-menu{display:none;}
  .nav-actions .btn{display:none;}
  .nav-toggle{display:flex;}
  .nav-pill{gap:12px;padding:0 10px 0 16px;}
  .page-hero{padding:130px 0 48px;min-height:320px;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .container{padding:0 16px;}
  .status-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .cta-panel{padding:32px 24px;}
  .guide-item{padding:18px 14px 18px 16px;}
  .item-link{margin-left:0;}
}
@media (max-width:520px){
  .page-hero{padding:120px 0 40px;}
  .hero-badges{gap:8px;}
  .chip{font-size:12.5px;padding:7px 13px;}
  .brand-name{font-size:15px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
  .fade-up{opacity:1;transform:none;}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --bg-base:#07100E;
  --bg-deep:#0A1512;
  --bg-elev:#101C18;
  --glass-1:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  --glass-2:rgba(10,21,18,.72);
  --primary:#14E39B;
  --primary-deep:#0BAE77;
  --primary-glow:rgba(20,227,155,.35);
  --accent:#FF7A3D;
  --accent-soft:rgba(255,122,61,.14);
  --info:#6FD3FF;
  --text-hi:#EAF5F1;
  --text-mid:#B9C9C3;
  --text-low:#7E8F89;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.16);
  --divider:rgba(255,255,255,.06);
  --success:#14E39B;
  --pending:#FFB020;
  --error:#FF5C5C;
  --disabled:rgba(255,255,255,.28);
  --radius-card:18px;
  --radius-img:14px;
  --radius-input:12px;
  --pill:999px;
  --container:1200px;
  --shadow-card:0 0 0 1px rgba(255,255,255,.08);
  --shadow-hover:0 0 0 1px rgba(255,255,255,.16),0 18px 40px -24px rgba(20,227,155,.35);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Inter","Barlow Condensed",ui-monospace,SFMono-Regular,Menlo,monospace;
}
/* ============ Reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background-color:var(--bg-base);
  color:var(--text-mid);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea,select{font-family:inherit;font-size:15px;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}
/* ============ 布局容器 ============ */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{position:relative;padding:96px 0;}
.section--tight{padding:72px 0;}
.section-head{max-width:780px;margin-bottom:48px;}
.section-head h2{
  font-size:clamp(24px,3vw,36px);
  line-height:1.2;
  font-weight:700;
  color:var(--text-hi);
  letter-spacing:-.01em;
}
.section-head h2::after{
  content:"";display:block;width:40px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--primary),var(--primary-deep));
  margin-top:16px;
}
.section-head p{margin-top:18px;font-size:16px;color:var(--text-mid);max-width:660px;}
/* ============ 背景纹理 ============ */
.bg-grid::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 88%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 88%);
}
.glow{position:absolute;border-radius:50%;pointer-events:none;filter:blur(4px);}
.glow--primary{background:radial-gradient(circle,rgba(20,227,155,.12),transparent 68%);}
.glow--accent{background:radial-gradient(circle,rgba(255,122,61,.10),transparent 68%);}
/* ============ 导航 ============ */
.site-header{position:fixed;top:16px;left:0;right:0;z-index:90;padding:0 16px;}
.nav-shell{
  max-width:var(--container);margin:0 auto;
  height:72px;display:flex;align-items:center;gap:20px;
  padding:0 14px 0 22px;
  border-radius:var(--pill);
  background:var(--glass-2);
  border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  transition:height .24s ease,background .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.site-header.is-scrolled .nav-shell{
  height:60px;
  background:rgba(7,16,14,.88);
  border-color:var(--line-strong);
  box-shadow:0 12px 32px -18px rgba(0,0,0,.9);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--primary),var(--primary-deep));
  color:#05140F;font-weight:800;font-size:14px;letter-spacing:.02em;
  box-shadow:0 0 0 1px rgba(255,255,255,.12),0 0 22px -6px var(--primary-glow);
}
.brand-name{font-size:17px;font-weight:700;color:var(--text-hi);letter-spacing:-.01em;white-space:nowrap;}
.brand-name span{color:var(--primary);font-weight:600;}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  height:38px;padding:0 16px;border-radius:var(--pill);
  font-size:15px;color:var(--text-mid);
  transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:5px;width:0;height:2px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 10px var(--primary-glow);
  transform:translateX(-50%);transition:width .24s ease;
}
.nav-link:hover{color:var(--text-hi);}
.nav-link:hover::after{width:16px;}
.nav-link.active{color:var(--primary);background:rgba(20,227,155,.12);}
.nav-link.active::after{width:0;}
.nav-cta{flex:0 0 auto;height:42px;padding:0 20px;font-size:15px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:14px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  align-items:center;justify-content:center;color:var(--text-hi);
}
.nav-toggle i{font-size:17px;}
/* 移动抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:99;
  background:rgba(7,16,14,.94);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  padding:96px 24px 40px;
  display:flex;flex-direction:column;
  transform:translateY(-12px);opacity:0;visibility:hidden;
  transition:opacity .24s ease,transform .24s ease,visibility .24s;
}
.mobile-drawer.is-open{opacity:1;visibility:visible;transform:translateY(0);}
.mobile-drawer a.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  font-size:18px;line-height:56px;color:var(--text-hi);
  border-bottom:1px solid var(--divider);
}
.mobile-drawer a.drawer-link.active{color:var(--primary);}
.mobile-drawer .drawer-cta{margin-top:auto;}
/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 26px;border-radius:var(--pill);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,opacity .2s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#05140F;
  box-shadow:0 0 0 1px rgba(255,255,255,.14),0 12px 30px -14px var(--primary-glow);
}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.06);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(255,255,255,.1);}
.btn-ghost{
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);color:var(--text-hi);
}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:var(--line-strong);transform:translateY(-1px);}
.btn-lg{min-height:52px;padding:0 34px;font-size:16px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--primary);
}
.link-arrow i{transition:transform .22s ease;}
.link-arrow:hover i{transform:translateX(4px);}
/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--pill);
  font-size:13px;font-weight:500;letter-spacing:.02em;
  background:rgba(20,227,155,.12);color:var(--primary);
}
.badge--accent{background:var(--accent-soft);color:var(--accent);}
.badge--info{background:rgba(111,211,255,.12);color:var(--info);}
.badge--pending{background:rgba(255,176,32,.14);color:var(--pending);}
.badge--line{background:rgba(255,255,255,.05);color:var(--text-mid);}
.tag{
  display:inline-flex;align-items:center;
  padding:6px 14px;border-radius:var(--pill);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  font-size:13px;color:var(--text-mid);
}
.tag:hover{border-color:var(--line-strong);color:var(--text-hi);}
/* ============ 分类页头部 ============ */
.page-hero{
  position:relative;margin-top:104px;
  min-height:360px;display:flex;align-items:flex-end;
  padding:64px 0 56px;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,16,14,.72),rgba(7,16,14,.88) 62%,var(--bg-base));
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 18% 30%,rgba(20,227,155,.12),transparent 62%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--text-low);margin-bottom:20px;
}
.breadcrumb a:hover{color:var(--text-hi);}
.breadcrumb .current{color:var(--primary);}
.breadcrumb i{font-size:10px;opacity:.6;}
.page-hero h1{
  font-size:clamp(32px,5vw,52px);
  line-height:1.1;font-weight:700;letter-spacing:-.02em;
  color:var(--text-hi);max-width:900px;
}
.page-hero h1 em{font-style:normal;color:var(--primary);}
.page-hero .lede{
  margin-top:20px;max-width:720px;font-size:16px;color:var(--text-mid);
}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
/* ============ 指标条 ============ */
.metric-band{
  position:relative;z-index:3;
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  margin-top:-42px;
}
.metric-card{
  background:var(--bg-elev);
  border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px 22px 20px;
  box-shadow:var(--shadow-card);
  transition:transform .22s ease,box-shadow .22s ease;
}
.metric-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.metric-num{
  font-family:var(--font-num);font-size:28px;font-weight:700;
  color:var(--text-hi);letter-spacing:.01em;line-height:1.2;
}
.metric-num small{font-size:14px;color:var(--primary);margin-left:4px;font-weight:600;}
.metric-label{margin-top:6px;font-size:13px;color:var(--text-low);letter-spacing:.04em;}
/* ============ 交替图文块 ============ */
.alt-wrap{display:flex;flex-direction:column;}
.alt-block{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:72px 0;
  border-bottom:1px solid var(--divider);
}
.alt-block:first-child{padding-top:8px;}
.alt-block:last-child{border-bottom:0;padding-bottom:0;}
.alt-block:nth-child(2){padding-top:88px;}
.alt-block:nth-child(3){padding-top:64px;}
.alt-block:nth-child(even) .alt-media{order:2;}
.alt-media{position:relative;}
.alt-media img{
  border-radius:var(--radius-img);width:100%;
  aspect-ratio:16/11;object-fit:cover;
  border:1px solid var(--line);
  background:rgba(20,227,155,.08);
}
.alt-media::after{
  content:"";position:absolute;inset:0;border-radius:var(--radius-img);
  background:linear-gradient(180deg,transparent 55%,rgba(7,16,14,.55));
  pointer-events:none;
}
.alt-media .float-chip{
  position:absolute;left:18px;bottom:18px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:var(--pill);
  background:rgba(10,21,18,.78);
  border:1px solid var(--line-strong);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  font-size:13px;color:var(--text-hi);
}
.alt-media .float-chip i{color:var(--primary);font-size:12px;}
.alt-body h3{
  font-size:clamp(20px,2vw,24px);font-weight:600;line-height:1.4;
  color:var(--text-hi);margin:16px 0 18px;
}
.alt-body p{font-size:15.5px;line-height:1.85;color:var(--text-mid);margin-bottom:14px;}
.alt-body .link-arrow{margin-top:10px;}
/* ============ 状态列表 ============ */
.state-list{
  border:1px solid var(--line);border-radius:var(--radius-card);
  background:var(--glass-1);overflow:hidden;
}
.state-item{
  position:relative;
  display:grid;grid-template-columns:180px 1fr auto;gap:24px;align-items:center;
  padding:26px 28px;border-bottom:1px solid var(--divider);
  transition:background .2s ease;
}
.state-item:last-child{border-bottom:0;}
.state-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--primary);transform:scaleY(0);transform-origin:center;
  transition:transform .24s ease;
}
.state-item:hover{background:rgba(255,255,255,.04);}
.state-item:hover::before{transform:scaleY(1);}
.state-item h3{font-size:17px;font-weight:600;color:var(--text-hi);margin-bottom:6px;}
.state-item p{font-size:14.5px;color:var(--text-mid);line-height:1.75;}
.state-tag{white-space:nowrap;}
.state-item .link-arrow{white-space:nowrap;}
/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px;}
.faq-item{
  background:var(--glass-1);
  border:1px solid var(--line);border-radius:var(--radius-card);
  transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item:hover{border-color:var(--line-strong);}
.faq-item.is-open{border-color:rgba(20,227,155,.34);box-shadow:0 18px 40px -30px var(--primary-glow);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 26px;text-align:left;
  font-size:16px;font-weight:600;color:var(--text-hi);
}
.faq-q .faq-icon{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid var(--line);color:var(--primary);
  font-size:13px;transition:transform .24s ease,background .24s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:rgba(20,227,155,.12);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s ease;
}
.faq-a-inner{padding:0 26px 24px;font-size:15px;line-height:1.85;color:var(--text-mid);}
.faq-item.is-open .faq-a{max-height:420px;}
/* ============ CTA ============ */
.cta-panel{
  position:relative;overflow:hidden;
  border:1px solid var(--line);border-radius:24px;
  background:linear-gradient(135deg,rgba(20,227,155,.10),rgba(255,255,255,.02) 55%);
  padding:56px;
  display:grid;grid-template-columns:1.35fr .65fr;gap:40px;align-items:center;
}
.cta-panel .glow{width:620px;height:620px;right:-180px;top:-240px;}
.cta-panel h2{
  font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.25;
  color:var(--text-hi);letter-spacing:-.01em;position:relative;z-index:2;
}
.cta-panel p{margin-top:16px;font-size:16px;color:var(--text-mid);max-width:560px;position:relative;z-index:2;}
.cta-actions{display:flex;flex-direction:column;gap:14px;position:relative;z-index:2;}
.cta-note{font-size:13px;color:var(--text-low);text-align:center;letter-spacing:.02em;}
/* ============ 页脚 ============ */
.site-footer{
  position:relative;margin-top:96px;
  border-top:1px solid var(--line);
  background:var(--bg-deep);
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(20,227,155,.55),transparent);
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:44px;
  padding:72px 0 48px;
}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand p{font-size:14.5px;line-height:1.85;color:var(--text-low);max-width:340px;}
.footer-col h4{
  font-size:14px;font-weight:600;color:var(--text-hi);
  letter-spacing:.06em;margin-bottom:18px;
}
.footer-col ul li{margin-bottom:12px;}
.footer-col ul li a{font-size:14.5px;color:var(--text-low);transition:color .2s ease;}
.footer-col ul li a:hover{color:var(--primary);}
.footer-col .muted{font-size:14px;line-height:1.85;color:var(--text-low);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  padding:22px 0 32px;border-top:1px solid var(--divider);
  font-size:13px;color:var(--text-low);letter-spacing:.02em;
}
.fb-links{display:flex;gap:20px;flex-wrap:wrap;}
.fb-links a:hover{color:var(--primary);}
/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .36s ease,transform .36s ease;}
.reveal.is-visible{opacity:1;transform:none;}
/* ============ 响应式 ============ */
@media (max-width:1280px){
  .container{max-width:1120px;}
}
@media (max-width:1024px){
  .section{padding:72px 0;}
  .page-hero{min-height:320px;padding:56px 0 48px;}
  .metric-band{grid-template-columns:repeat(2,1fr);}
  .alt-block{grid-template-columns:1fr;gap:28px;padding:56px 0;}
  .alt-block:nth-child(even) .alt-media{order:0;}
  .alt-block:nth-child(2),.alt-block:nth-child(3){padding-top:56px;}
  .cta-panel{grid-template-columns:1fr;padding:44px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:900px){
  .nav-menu,.nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-shell{height:64px;padding-right:8px;}
  .site-header.is-scrolled .nav-shell{height:58px;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .page-hero{margin-top:96px;min-height:auto;padding:48px 0 40px;}
  .metric-band{grid-template-columns:1fr;margin-top:-28px;}
  .state-item{grid-template-columns:1fr;gap:12px;padding:22px 20px;}
  .state-tag{justify-self:flex-start;}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding:56px 0 36px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .faq-q{padding:18px 20px;font-size:15px;}
  .faq-a-inner{padding:0 20px 20px;}
  .cta-panel{padding:32px 22px;border-radius:20px;}
}
@media (max-width:480px){
  .page-hero h1{font-size:30px;}
  .btn{width:100%;}
  .hero-badges{gap:8px;}
  .alt-body h3{font-size:19px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}