/* roulang page: index */
:root{
  --bg:#f5fbf9;
  --bg-deep:#07343a;
  --surface:#ffffff;
  --surface-soft:#edf8f5;
  --ink:#102d31;
  --ink-2:#23464a;
  --muted:#5d777a;
  --muted-2:#7b9294;
  --brand:#0ea88a;
  --brand-2:#39d6b4;
  --brand-3:#c8f4ea;
  --brand-dark:#087d69;
  --accent:#ff7a45;
  --accent-soft:#fff0e9;
  --accent-dark:#b84b21;
  --info:#2f7cff;
  --info-soft:#e9f1ff;
  --line:#d9ebe7;
  --line-strong:#b9ded7;
  --glass:rgba(255,255,255,.72);
  --shadow-sm:0 6px 18px rgba(7,52,58,.06);
  --shadow-md:0 18px 48px rgba(7,52,58,.10);
  --shadow-lg:0 28px 70px rgba(7,52,58,.16);
  --radius-lg:28px;
  --radius-md:20px;
  --radius-sm:14px;
  --sidebar-w:260px;
  --font-sans:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
.site-body{
  margin:0;
  font-family:var(--font-sans);
  background-color:var(--bg);
  background-image:
    radial-gradient(circle at 12% 4%, rgba(57,214,180,.20), transparent 28%),
    radial-gradient(circle at 92% 14%, rgba(255,122,69,.11), transparent 26%),
    radial-gradient(circle at 66% 92%, rgba(47,124,255,.08), transparent 30%);
  color:var(--ink);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
.site-body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  opacity:.5;
  background-image:radial-gradient(circle at 0 0, rgba(7,52,58,.055) 0 1px, transparent 1.6px);
  background-size:22px 22px;
  -webkit-mask-image:linear-gradient(to bottom, rgba(0,0,0,.9), rgba(0,0,0,.25) 70%, transparent);
  mask-image:linear-gradient(to bottom, rgba(0,0,0,.9), rgba(0,0,0,.25) 70%, transparent);
}
h1,h2,h3,h4,p,figure{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,a{-webkit-tap-highlight-color:transparent}
[hidden]{display:none !important}
::selection{background:rgba(57,214,180,.28);color:var(--ink)}
a:focus-visible,button:focus-visible{outline:3px solid rgba(14,168,138,.38);outline-offset:3px}
.skip-link{
  position:fixed;
  left:14px;
  top:14px;
  z-index:200;
  padding:10px 16px;
  border-radius:999px;
  background:var(--bg-deep);
  color:#fff;
  font-size:14px;
  transform:translateY(-160%);
  transition:transform .2s ease;
}
.skip-link:focus{transform:translateY(0)}
.page{position:relative;z-index:1;margin-left:var(--sidebar-w);min-height:100vh}
.content-wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 40px}
section[id]{scroll-margin-top:88px}
.section{padding:76px 0}
.section-eyebrow,.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 12px;
  border:1px solid rgba(14,168,138,.18);
  border-radius:999px;
  background:rgba(255,255,255,.72);
  color:var(--brand-dark);
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.04em;
  box-shadow:0 4px 14px rgba(7,52,58,.04);
}
.pulse-dot,.live-dot{
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 0 5px rgba(14,168,138,.12);
  flex:0 0 7px;
}
.section-heading{max-width:700px}
.section-title{
  margin-top:16px;
  font-size:clamp(1.75rem,2.4vw,2rem);
  line-height:1.25;
  letter-spacing:-.025em;
  font-weight:800;
  color:var(--ink);
}
.section-lead{margin-top:12px;color:var(--muted);font-size:15.5px;line-height:1.9}
.section-heading-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px}
.text-link{
  color:var(--brand-dark);
  font-weight:700;
  font-size:14px;
  border-bottom:1px solid rgba(14,168,138,.3);
  padding-bottom:2px;
  transition:color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.text-link:hover{color:var(--ink);border-color:var(--ink)}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 10px;
  border-radius:999px;
  font-size:11.5px;
  font-weight:700;
  line-height:1;
}
.badge-brand{background:var(--brand-3);color:var(--brand-dark)}
.badge-info{background:var(--info-soft);color:#1d5fbd}
.badge-accent{background:var(--accent-soft);color:var(--accent-dark)}
.badge-on-dark{background:rgba(57,214,180,.14);color:#bffcf0;border:1px solid rgba(57,214,180,.24)}

/* 侧栏与移动导航 */
.sidebar{
  position:fixed;
  inset:0 auto 0 0;
  z-index:50;
  width:var(--sidebar-w);
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  overflow-y:auto;
  padding:26px 20px 20px;
  color:#eafff9;
  border-right:1px solid rgba(255,255,255,.08);
  background:
    radial-gradient(circle at 18% 0, rgba(57,214,180,.20), transparent 34%),
    radial-gradient(circle at 0 0, transparent 15px, rgba(255,255,255,.025) 16px),
    linear-gradient(180deg,#073b40 0%,#062a2f 100%);
  background-size:auto,30px 30px,auto;
  transition:transform .28s ease;
}
.brand{display:flex;align-items:center;gap:11px;min-width:0}
.brand-mark{
  width:44px;
  height:44px;
  flex:0 0 44px;
  display:grid;
  place-items:center;
  border-radius:14px;
  background:linear-gradient(135deg,var(--brand-2),var(--brand));
  color:#03332d;
  font-size:20px;
  font-weight:900;
  box-shadow:0 10px 24px rgba(14,168,138,.24);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.brand-text strong{font-size:19px;font-weight:800;letter-spacing:-.02em;color:var(--ink);white-space:nowrap}
.brand-text span{margin-top:3px;font-size:10.5px;font-weight:700;letter-spacing:.12em;color:var(--muted);white-space:nowrap}
.sidebar .brand-text strong{color:#fff}
.sidebar .brand-text span{color:var(--brand-2)}
.sidebar-note{
  display:inline-flex;
  align-items:center;
  margin-top:18px;
  padding:6px 10px;
  border:1px solid rgba(255,255,255,.10);
  border-radius:999px;
  background:rgba(255,255,255,.07);
  color:rgba(234,255,249,.72);
  font-size:11px;
  letter-spacing:.04em;
}
.side-nav{margin-top:34px;display:flex;flex-direction:column;gap:6px}
.side-nav a{
  position:relative;
  display:flex;
  align-items:center;
  gap:10px;
  min-height:46px;
  padding:12px 14px;
  border-radius:14px;
  color:rgba(234,255,249,.72);
  font-size:15px;
  font-weight:600;
  transition:background .18s ease,color .18s ease,box-shadow .18s ease;
}
.side-nav a:hover{background:rgba(255,255,255,.06);color:#fff}
.side-nav a.active{
  color:#fff;
  background:rgba(57,214,180,.12);
  box-shadow:inset 3px 0 0 var(--brand-2),0 0 28px rgba(57,214,180,.08);
}
.nav-icon{width:18px;height:18px;display:grid;place-items:center;flex:0 0 18px;opacity:.9}
.nav-icon svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.sidebar-bottom{padding-top:22px;border-top:1px solid rgba(255,255,255,.09);color:rgba(234,255,249,.62);font-size:12.5px;line-height:1.8}
.sidebar-bottom strong{color:#fff;font-weight:700}
.sidebar-bottom a{color:var(--brand-2);word-break:break-all}
.sidebar-bottom a:hover{color:#fff}
.drawer-close{
  display:none;
  position:absolute;
  right:14px;
  top:14px;
  width:40px;
  height:40px;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  background:rgba(255,255,255,.08);
  color:#fff;
  font-size:24px;
  line-height:1;
}
.mobile-header{display:none}
.nav-overlay{display:none}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  min-height:48px;
  padding:0 22px;
  border-radius:999px;
  font-size:15px;
  font-weight:800;
  line-height:1;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn span{font-size:16px;transition:transform .18s ease}
.btn:hover span{transform:translateX(3px)}
.btn-primary{
  color:#03332d;
  background:linear-gradient(135deg,var(--brand-2),var(--brand));
  box-shadow:0 0 0 1px rgba(14,168,138,.22),0 10px 26px rgba(14,168,138,.20);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(14,168,138,.32),0 14px 34px rgba(14,168,138,.28)}
.btn-ghost{
  color:var(--ink);
  background:rgba(255,255,255,.72);
  border:1px solid var(--line-strong);
  box-shadow:0 6px 18px rgba(7,52,58,.05);
}
.btn-ghost:hover{transform:translateY(-2px);color:var(--brand-dark);border-color:var(--brand);background:#fff}
.btn-accent{
  color:#fff;
  background:linear-gradient(135deg,#ff966b,var(--accent));
  box-shadow:0 0 0 1px rgba(255,122,69,.26),0 12px 30px rgba(255,122,69,.24);
}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(255,122,69,.36),0 16px 38px rgba(255,122,69,.32)}
.btn:active{transform:translateY(0)}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}

/* 首屏 */
.hero{padding:44px 0 30px}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.08fr) minmax(340px,.92fr);
  align-items:center;
  gap:48px;
  min-height:610px;
}
.hero-grid>*{min-width:0}
.hero h1{
  max-width:780px;
  margin-top:20px;
  font-size:clamp(2.15rem,4.6vw,3.7rem);
  line-height:1.13;
  letter-spacing:-.035em;
  font-weight:900;
  color:var(--ink);
  text-wrap:balance;
}
.hero-lead{
  max-width:620px;
  margin-top:22px;
  color:var(--muted);
  font-size:17.5px;
  line-height:1.9;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-trust{display:flex;align-items:center;gap:12px;margin-top:28px;color:var(--muted);font-size:13.5px}
.hero-trust strong{color:var(--ink)}
.avatar-stack{display:flex;padding-left:6px}
.avatar-stack span{
  width:30px;
  height:30px;
  margin-left:-7px;
  display:grid;
  place-items:center;
  border-radius:50%;
  border:2px solid var(--surface);
  background:var(--brand-3);
  color:var(--brand-dark);
  font-size:11px;
  font-weight:800;
}
.hero-media{position:relative;padding:0 0 24px 30px}
.hero-media::before{
  content:"";
  position:absolute;
  z-index:-1;
  right:-8%;
  top:9%;
  width:78%;
  height:78%;
  border-radius:42px;
  background:linear-gradient(135deg,rgba(57,214,180,.28),rgba(255,122,69,.10));
  filter:blur(10px);
  opacity:.62;
}
.hero-image-wrap{
  position:relative;
  aspect-ratio:4/5;
  overflow:hidden;
  border-radius:34px;
  border:1px solid rgba(255,255,255,.8);
  background:linear-gradient(160deg,#dff8f2,#c8e9e6);
  box-shadow:var(--shadow-lg);
}
.hero-image-wrap::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(7,52,58,.02),rgba(7,52,58,.30));
  pointer-events:none;
}
.hero-image-wrap img{width:100%;height:100%;object-fit:cover;transform:scale(1.015)}
.hero-stat-card{
  position:absolute;
  left:0;
  bottom:0;
  width:min(350px,92%);
  padding:18px;
  border:1px solid rgba(255,255,255,.82);
  border-radius:20px;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  box-shadow:0 20px 50px rgba(2,40,40,.18);
}
.stat-card-head{display:flex;align-items:center;justify-content:space-between;gap:10px;color:var(--ink);font-size:12px;font-weight:800}
.hero-stat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:14px}
.hero-stat-grid b{display:block;font-family:var(--font-mono);font-size:24px;line-height:1.1;color:var(--ink);font-variant-numeric:tabular-nums}
.hero-stat-grid span{display:block;margin-top:3px;font-size:10.5px;line-height:1.45;color:var(--muted)}
.hero-stat-card>p{margin-top:14px;padding-top:10px;border-top:1px solid var(--line);font-size:11px;color:var(--muted-2)}

/* 指标条 */
.metrics{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  margin-top:12px;
  padding:8px 0;
  border:1px solid var(--line);
  border-radius:26px;
  background:rgba(255,255,255,.82);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow-sm);
}
.metric{padding:20px 24px;min-width:0}
.metric+.metric{border-left:1px solid var(--line)}
.metric b{display:block;font-family:var(--font-mono);font-size:30px;line-height:1.1;letter-spacing:-.04em;color:var(--ink);font-variant-numeric:tabular-nums}
.metric b em{font-style:normal;font-size:14px;color:var(--brand-dark);margin-left:2px}
.metric span{display:block;margin-top:7px;font-size:12px;color:var(--muted)}

/* 分类入口 */
.entry-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-top:38px}
.entry-card{
  display:grid;
  grid-template-columns:42% 58%;
  min-height:255px;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:26px;
  background:var(--surface);
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.entry-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-md)}
.entry-thumb{position:relative;min-width:0;background:var(--surface-soft);overflow:hidden}
.entry-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,52,58,0),rgba(7,52,58,.18));pointer-events:none}
.entry-thumb img{width:100%;height:100%;min-height:255px;object-fit:cover;transition:transform .35s ease}
.entry-card:hover .entry-thumb img{transform:scale(1.04)}
.entry-content{display:flex;flex-direction:column;align-items:flex-start;padding:26px}
.entry-content h3{margin-top:12px;font-size:22px;line-height:1.3;font-weight:800;letter-spacing:-.02em}
.entry-content p{margin-top:9px;font-size:14px;line-height:1.8;color:var(--muted)}
.check-list{margin-top:12px;display:grid;gap:6px;font-size:13.5px;color:var(--ink-2)}
.check-list li{display:flex;gap:8px;align-items:flex-start}
.check-list li::before{content:"";width:16px;height:16px;flex:0 0 16px;margin-top:2px;border-radius:50%;background:var(--brand-3);box-shadow:inset 0 0 0 5px rgba(14,168,138,.12)}
.entry-content .text-link{margin-top:auto;padding-top:16px}

/* 玩法流程 */
.process-line{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;margin-top:42px}
.step{position:relative;min-width:0;padding:0 24px 0 0}
.step:not(:last-child)::after{
  content:"";
  position:absolute;
  top:32px;
  left:82px;
  right:12px;
  height:1px;
  background:linear-gradient(90deg,var(--line-strong),transparent);
}
.step-num{
  width:64px;
  height:64px;
  display:grid;
  place-items:center;
  border:1px solid var(--line-strong);
  border-radius:50%;
  background:rgba(255,255,255,.72);
  color:var(--brand-dark);
  font-family:var(--font-mono);
  font-size:20px;
  font-weight:800;
  box-shadow:inset 0 0 0 6px var(--bg);
}
.step h3{margin-top:18px;font-size:18px;line-height:1.4;font-weight:800}
.step p{margin-top:8px;font-size:14px;line-height:1.78;color:var(--muted)}

/* 奖励预览 */
.reward-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:20px;margin-top:40px}
.reward-card{border-radius:26px;border:1px solid var(--line);overflow:hidden;min-width:0}
.reward-main{
  grid-column:span 8;
  display:grid;
  grid-template-columns:1.08fr .92fr;
  min-height:350px;
  color:#fff;
  border-color:rgba(255,255,255,.08);
  background:
    radial-gradient(circle at 8% 0, rgba(57,214,180,.24), transparent 38%),
    linear-gradient(135deg,#07343a,#0a4b4d);
  box-shadow:var(--shadow-md);
}
.reward-copy{display:flex;flex-direction:column;align-items:flex-start;padding:30px}
.reward-main h3{margin-top:16px;color:#fff;font-size:clamp(1.55rem,2.2vw,1.9rem);line-height:1.28;font-weight:800;letter-spacing:-.025em}
.reward-main p{margin-top:10px;color:rgba(234,255,249,.72);font-size:14px;line-height:1.8}
.reward-meta{display:grid;gap:8px;margin-top:18px;width:100%}
.reward-meta div{display:flex;justify-content:space-between;gap:14px;padding-top:9px;border-top:1px solid rgba(255,255,255,.10);font-size:12px}
.reward-meta span{color:rgba(234,255,249,.54)}
.reward-meta strong{color:#eafff9;font-weight:700;text-align:right}
.reward-visual{position:relative;min-height:100%;background:rgba(255,255,255,.04)}
.reward-visual img{width:100%;height:100%;object-fit:cover;opacity:.9}
.reward-side{
  grid-column:span 4;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  padding:28px;
  background:linear-gradient(155deg,#fff7f2,#ffffff);
  border-color:#ffd7c7;
  box-shadow:var(--shadow-sm);
}
.reward-side h3{margin-top:16px;font-size:24px;line-height:1.3;font-weight:800;letter-spacing:-.02em}
.reward-side p{margin-top:10px;font-size:14px;line-height:1.8;color:var(--muted)}
.reward-side .reward-meta div{border-color:#f4ded4}
.reward-side .reward-meta span{color:var(--muted-2)}
.reward-side .reward-meta strong{color:var(--ink)}
.reward-mini{
  grid-column:span 4;
  padding:24px;
  background:rgba(255,255,255,.86);
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.reward-mini:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow-md)}
.mini-icon{width:42px;height:42px;display:grid;place-items:center;border-radius:14px;background:var(--info-soft);color:#1d5fbd;font-family:var(--font-mono);font-size:13px;font-weight:800}
.reward-mini:nth-of-type(3) .mini-icon{background:var(--brand-3);color:var(--brand-dark)}
.reward-mini:nth-of-type(4) .mini-icon{background:var(--accent-soft);color:var(--accent-dark)}
.reward-mini h3{margin-top:16px;font-size:18px;line-height:1.4;font-weight:800}
.reward-mini p{margin-top:8px;font-size:14px;line-height:1.78;color:var(--muted)}
.reward-mini .reward-meta div{border-color:var(--line)}
.reward-mini .reward-meta span{color:var(--muted-2)}
.reward-mini .reward-meta strong{color:var(--ink)}

/* 任务进度 */
.task-layout{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:24px;margin-top:40px}
.task-panel{padding:10px 26px;border:1px solid var(--line);border-radius:28px;background:rgba(255,255,255,.82);box-shadow:var(--shadow-sm)}
.task-row{display:grid;grid-template-columns:40px minmax(0,1fr);gap:14px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}
.task-row:last-child{border-bottom:0}
.task-index{width:38px;height:38px;display:grid;place-items:center;border-radius:13px;background:var(--surface-soft);color:var(--brand-dark);font-family:var(--font-mono);font-size:12px;font-weight:800}
.task-main{min-width:0}
.task-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.task-top h3{font-size:15px;line-height:1.5;font-weight:800;color:var(--ink)}
.task-pct{font-family:var(--font-mono);font-size:13px;font-weight:800;color:var(--brand-dark);font-variant-numeric:tabular-nums}
.bar{height:6px;margin-top:9px;overflow:hidden;border-radius:999px;background:rgba(14,168,138,.10);box-shadow:inset 0 0 0 1px rgba(14,168,138,.06)}
.bar span{display:block;height:100%;width:var(--p);border-radius:inherit;background:linear-gradient(90deg,var(--brand-2),var(--accent));position:relative}
.bar span::after{content:"";position:absolute;right:0;top:50%;width:8px;height:8px;border-radius:50%;background:#fff;box-shadow:0 0 0 3px rgba(255,122,69,.28);transform:translateY(-50%)}
.progress-card{
  position:relative;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  overflow:hidden;
  min-height:100%;
  padding:30px;
  border-radius:28px;
  color:#fff;
  background:
    radial-gradient(circle at 84% 12%, rgba(57,214,180,.18), transparent 32%),
    linear-gradient(145deg,#07343a,#0a4b4d);
  box-shadow:var(--shadow-md);
}
.progress-card::after{
  content:"";
  position:absolute;
  inset:0;
  opacity:.32;
  pointer-events:none;
  background-image:radial-gradient(circle at 0 0, transparent 15px, rgba(255,255,255,.055) 16px);
  background-size:32px 32px;
}
.progress-head,.progress-foot{position:relative;z-index:1}
.progress-head{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12px;color:rgba(234,255,249,.72)}
.progress-head strong{color:#fff;font-weight:800}
.ring{
  --value:68;
  position:relative;
  width:154px;
  aspect-ratio:1;
  margin:28px auto 24px;
  display:grid;
  place-items:center;
  border-radius:50%;
  background:conic-gradient(var(--brand-2) calc(var(--value) * 1%), rgba(255,255,255,.12) 0);
  box-shadow:0 0 36px rgba(57,214,180,.15);
  z-index:1;
}
.ring::before{content:"";position:absolute;inset:12px;border-radius:50%;background:#073b40;border:1px solid rgba(255,255,255,.08)}
.ring span{position:relative;z-index:1;font-family:var(--font-mono);font-size:44px;line-height:1;font-weight:900;color:#fff;font-variant-numeric:tabular-nums}
.ring small{font-size:14px;margin-left:2px;color:rgba(234,255,249,.7)}
.progress-foot{display:grid;gap:10px;font-size:12px;color:rgba(234,255,249,.64)}
.progress-foot p{padding-top:12px;border-top:1px solid rgba(255,255,255,.10);line-height:1.7}
.stage-badge{display:inline-flex;align-items:center;gap:6px;width:max-content;padding:5px 10px;border-radius:999px;background:rgba(255,122,69,.16);color:#ffd7c7;border:1px solid rgba(255,122,69,.22);font-size:11px;font-weight:800}

/* 最新信息 */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin-top:36px}
.news-card{
  display:flex;
  flex-direction:column;
  min-width:0;
  height:100%;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:22px;
  background:rgba(255,255,255,.88);
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-md)}
.news-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface-soft)}
.news-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,52,58,0),rgba(7,52,58,.18));pointer-events:none}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.news-card:hover .news-cover img{transform:scale(1.045)}
.news-body{display:flex;flex:1;flex-direction:column;align-items:flex-start;padding:20px}
.news-body h3{margin-top:11px;font-size:17px;line-height:1.48;font-weight:800;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;overflow-wrap:anywhere}
.news-body p{margin-top:9px;font-size:13.5px;line-height:1.75;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;overflow-wrap:anywhere}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;margin-top:auto;padding-top:16px;font-size:12px;color:var(--muted-2)}
.news-meta .arrow{display:inline-block;color:var(--brand-dark);font-weight:900;transition:transform .18s ease}
.news-card:hover .news-meta .arrow{transform:translateX(4px)}
.empty-state{
  grid-column:1/-1;
  min-height:220px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:32px;
  border:1px dashed rgba(14,168,138,.34);
  border-radius:24px;
  background:rgba(255,255,255,.56);
  text-align:center;
}
.empty-icon{width:52px;height:52px;display:grid;place-items:center;border-radius:50%;background:var(--surface-soft);color:var(--brand-dark);font-size:22px;font-weight:900}
.empty-state h3{font-size:17px;font-weight:800}
.empty-state p{max-width:460px;font-size:13.5px;line-height:1.75;color:var(--muted)}

/* FAQ */
.faq-section{padding-bottom:64px}
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px;margin-top:32px}
.faq-item{border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.74);box-shadow:0 4px 14px rgba(7,52,58,.03);transition:border-color .18s ease,background .18s ease}
.faq-item.open{border-color:rgba(14,168,138,.38);background:rgba(255,255,255,.92)}
.faq-q{width:100%;min-height:62px;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 22px;text-align:left;font-size:17px;font-weight:800;color:var(--ink)}
.faq-q i{
  position:relative;
  width:22px;
  height:22px;
  flex:0 0 22px;
  border-radius:50%;
  background:var(--surface-soft);
  transition:transform .2s ease,background .2s ease;
}
.faq-q i::before,.faq-q i::after{content:"";position:absolute;left:50%;top:50%;border-radius:2px;background:var(--brand-dark);transform:translate(-50%,-50%)}
.faq-q i::before{width:10px;height:2px}
.faq-q i::after{width:2px;height:10px}
.faq-q[aria-expanded="true"] i{transform:rotate(45deg);background:var(--brand-3)}
.faq-a{padding:0 22px 20px}
.faq-a p{max-width:780px;font-size:15px;line-height:1.8;color:var(--muted)}

/* CTA */
.cta-section{padding:12px 0 78px}
.cta-banner{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  overflow:hidden;
  padding:40px 42px;
  border-radius:28px;
  color:#fff;
  background:
    radial-gradient(circle at 90% 10%, rgba(255,122,69,.24), transparent 30%),
    radial-gradient(circle at 8% 0, rgba(57,214,180,.24), transparent 36%),
    linear-gradient(135deg,#07343a,#0b5552);
  box-shadow:var(--shadow-md);
}
.cta-banner::after{
  content:"";
  position:absolute;
  inset:0;
  opacity:.5;
  pointer-events:none;
  background-image:radial-gradient(circle at 0 0, transparent 18px, rgba(255,255,255,.055) 19px);
  background-size:36px 36px;
}
.cta-copy,.cta-banner .btn{position:relative;z-index:1}
.cta-copy{max-width:680px}
.cta-copy .badge-on-dark{margin-bottom:14px}
.cta-banner h2{font-size:clamp(1.55rem,2.6vw,2rem);line-height:1.3;font-weight:900;letter-spacing:-.02em}
.cta-banner p{margin-top:10px;font-size:14px;line-height:1.8;color:rgba(234,255,249,.72)}
.cta-banner .btn{flex:0 0 auto;white-space:nowrap}

/* 页脚 */
.site-footer{margin-top:20px;border-top:1px solid var(--line);background:rgba(255,255,255,.72);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}
.footer-grid{display:grid;grid-template-columns:1.4fr .7fr .8fr 1fr;gap:34px;padding:54px 0 38px}
.footer-brand{display:flex;align-items:center;gap:11px}
.footer-brand .brand-mark{width:40px;height:40px;flex-basis:40px;border-radius:13px;font-size:18px}
.footer-brand-text strong{display:block;font-size:17px;font-weight:800;line-height:1.2}
.footer-brand-text span{display:block;margin-top:2px;font-size:10px;letter-spacing:.12em;color:var(--muted);font-weight:700}
.footer-about{margin-top:16px;max-width:330px;font-size:13.5px;line-height:1.8;color:var(--muted)}
.footer-col h3{font-size:14px;font-weight:800;color:var(--ink);margin-bottom:14px}
.footer-links{display:grid;gap:10px;font-size:13.5px;color:var(--muted)}
.footer-links a{transition:color .18s ease}
.footer-links a:hover{color:var(--brand-dark)}
.footer-note{font-size:13.5px;line-height:1.8;color:var(--muted)}
.footer-note a{color:var(--brand-dark);font-weight:700;word-break:break-all}
.footer-note a:hover{color:var(--ink)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 0 28px;border-top:1px solid var(--line);font-size:12.5px;color:var(--muted-2)}
.footer-bottom span{min-width:0}

@media (min-width:1024px) and (max-width:1279px){
  :root{--sidebar-w:220px}
  .sidebar{padding:22px 16px 18px}
  .brand-text strong{font-size:17px}
  .content-wrap{padding:0 28px}
  .hero-grid{grid-template-columns:minmax(0,1.04fr) minmax(300px,.96fr);gap:32px}
  .hero h1{font-size:clamp(2.15rem,3.9vw,3.15rem)}
  .hero-stat-card{left:-6px}
  .reward-main{grid-column:span 12}
  .reward-side{grid-column:span 12}
  .reward-mini{grid-column:span 4}
}

@media (max-width:1023px){
  .site-body.nav-open{overflow:hidden}
  .sidebar{
    z-index:80;
    width:min(86vw,340px);
    transform:translateX(-105%);
    box-shadow:28px 0 70px rgba(2,28,30,.28);
  }
  .sidebar.open{transform:translateX(0)}
  .drawer-close{display:flex}
  .nav-overlay{
    display:none;
    position:fixed;
    inset:0;
    z-index:70;
    background:rgba(2,28,30,.48);
    -webkit-backdrop-filter:blur(4px);
    backdrop-filter:blur(4px);
  }
  .nav-overlay.active{display:block}
  .mobile-header{
    position:sticky;
    top:0;
    z-index:60;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    min-height:64px;
    padding:0 20px;
    border-bottom:1px solid rgba(185,222,215,.6);
    background:rgba(245,251,249,.92);
    -webkit-backdrop-filter:blur(16px);
    backdrop-filter:blur(16px);
  }
  .mobile-header .brand-mark{width:38px;height:38px;flex-basis:38px;border-radius:12px;font-size:17px}
  .mobile-header .brand-text strong{font-size:17px}
  .mobile-header .brand-text span{font-size:9.5px}
  .menu-btn{
    width:44px;
    height:44px;
    display:inline-flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    gap:5px;
    border:1px solid var(--line);
    border-radius:14px;
    background:rgba(255,255,255,.76);
  }
  .menu-btn span{display:block;width:19px;height:2px;border-radius:2px;background:var(--ink);transition:transform .18s ease,opacity .18s ease}
  .menu-btn:hover{border-color:var(--brand);background:#fff}
  .page{margin-left:0}
  .content-wrap{padding:0 20px}
  .section{padding:64px 0}
  .hero-grid{grid-template-columns:1fr;gap:42px;min-height:auto}
  .hero{padding:36px 0 20px}
  .hero h1{max-width:720px}
  .hero-media{max-width:520px;margin:0 auto;width:100%}
  .hero-media::before{right:0}
  .reward-main{grid-column:span 12}
  .reward-side{grid-column:span 12}
  .reward-mini{grid-column:span 4}
  .task-layout{grid-template-columns:1fr}
  .progress-card{order:-1;min-height:auto}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr;gap:28px}
}

@media (max-width:900px){
  .entry-grid{grid-template-columns:1fr}
  .entry-card{grid-template-columns:40% 60%}
  .process-line{grid-template-columns:1fr;gap:28px;margin-top:32px}
  .step{padding:0 0 0 82px;min-height:64px}
  .step-num{position:absolute;left:0;top:0}
  .step:not(:last-child)::after{
    top:64px;
    left:31px;
    right:auto;
    bottom:-28px;
    width:1px;
    height:auto;
    background:linear-gradient(180deg,var(--line-strong),transparent);
  }
  .step h3{margin-top:0;padding-top:8px}
  .section-heading-row{align-items:flex-start;flex-direction:column;gap:14px}
}

@media (max-width:760px){
  .metrics{grid-template-columns:repeat(2,minmax(0,1fr))}
  .metric:nth-child(odd){border-left:0}
  .metric:nth-child(n+3){border-top:1px solid var(--line)}
  .metric{padding:18px 20px}
  .metric b{font-size:27px}
  .entry-card{grid-template-columns:1fr;min-height:0}
  .entry-thumb{aspect-ratio:16/9;min-height:0}
  .entry-thumb img{min-height:0;height:100%}
  .entry-content{padding:22px}
  .reward-main{grid-template-columns:1fr}
  .reward-copy{padding:26px}
  .reward-visual{min-height:230px;max-height:280px}
  .reward-mini{grid-column:span 12}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .cta-banner{flex-direction:column;align-items:flex-start;padding:32px 26px}
  .cta-banner .btn{width:100%}
}

@media (max-width:640px){
  .content-wrap{padding:0 16px}
  .section{padding:52px 0}
  .hero{padding-top:28px}
  .hero h1{font-size:clamp(2rem,9vw,2.45rem);letter-spacing:-.03em}
  .hero-lead{font-size:16px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .hero-trust{align-items:flex-start}
  .hero-media{padding:0 0 14px}
  .hero-image-wrap{aspect-ratio:4/5;border-radius:26px}
  .hero-stat-card{left:12px;right:12px;bottom:12px;width:auto;padding:15px}
  .hero-stat-grid b{font-size:21px}
  .metric b{font-size:24px}
  .news-grid{grid-template-columns:1fr}
  .step{padding-left:74px}
  .step-num{width:58px;height:58px;font-size:18px}
  .step:not(:last-child)::after{left:28px;top:58px}
  .reward-main h3{font-size:1.55rem}
  .task-panel{padding:8px 18px}
  .task-row{grid-template-columns:34px minmax(0,1fr);gap:12px}
  .task-index{width:34px;height:34px;border-radius:11px}
  .progress-card{padding:24px}
  .ring{width:138px}
  .ring span{font-size:40px}
  .faq-q{padding:17px 18px;font-size:16px;min-height:58px}
  .faq-a{padding:0 18px 18px}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding:42px 0 30px}
  .footer-about{max-width:none}
  .news-body{padding:18px}
  .hero-stat-card>p{font-size:10.5px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{scroll-behavior:auto !important;transition-duration:.01ms !important;animation-duration:.01ms !important;animation-iteration-count:1 !important}
}

/* roulang page: article */
:root{
  --bg-deep:#071018;
  --bg-base:#0A1A1F;
  --bg-soft:#10272C;
  --glass:rgba(255,255,255,0.06);
  --glass-border:rgba(255,255,255,0.10);
  --brand:#2EE6C0;
  --brand-dim:#1FAF95;
  --accent:#FF7A45;
  --info:#59A6FF;
  --text:#E8F3F1;
  --text-sub:#9DB4B6;
  --text-mute:#6C8285;
  --line:rgba(255,255,255,0.08);
  --nav-w:260px;
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-card:0 18px 48px rgba(0,0,0,0.45);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:17px;
  line-height:1.9;
  color:var(--text);
  background-color:var(--bg-deep);
  background-image:
    radial-gradient(900px 620px at 6% -8%, rgba(46,230,192,0.12), transparent 62%),
    radial-gradient(820px 540px at 98% 104%, rgba(255,122,69,0.08), transparent 64%),
    radial-gradient(circle at 12px 12px, rgba(255,255,255,0.045) 0 1px, transparent 2px);
  background-size:auto,auto,24px 24px;
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{list-style:none;padding:0;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
::selection{background:rgba(46,230,192,.28);color:#fff;}

/* ---------- 侧边导航 ---------- */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);
  padding:28px 20px 24px;
  display:flex;flex-direction:column;gap:26px;
  background:rgba(7,16,24,0.88);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-right:1px solid var(--line);
  z-index:40;overflow-y:auto;
}
.sidebar::-webkit-scrollbar{width:6px;}
.sidebar::-webkit-scrollbar-thumb{background:rgba(255,255,255,.12);border-radius:99px;}
.brand{display:flex;align-items:center;gap:12px;padding:4px 6px;border-radius:14px;transition:background .18s ease;}
.brand:hover{background:rgba(255,255,255,.05);}
.brand-mark{
  width:40px;height:40px;flex:0 0 auto;display:grid;place-items:center;
  border-radius:13px;background:linear-gradient(150deg,var(--brand),var(--brand-dim));
  color:#062022;font-weight:700;font-size:19px;line-height:1;
  box-shadow:0 8px 22px rgba(46,230,192,.28);
}
.brand-lockup{display:flex;flex-direction:column;gap:2px;min-width:0;}
.brand-lockup strong{font-size:16px;font-weight:700;letter-spacing:.01em;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.brand-lockup span{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--text-mute);}
.side-nav{display:flex;flex-direction:column;gap:6px;}
.side-nav a{
  position:relative;display:flex;align-items:center;gap:12px;
  padding:11px 14px;border-radius:12px;
  font-size:15px;color:var(--text-sub);
  transition:background .18s ease,color .18s ease;
}
.side-nav a:hover{background:rgba(255,255,255,.06);color:var(--text);}
.side-nav a.active{background:rgba(255,255,255,.08);color:var(--text);font-weight:600;}
.side-nav a.active::before{
  content:"";position:absolute;left:0;top:22%;bottom:22%;width:3px;border-radius:3px;
  background:var(--brand);box-shadow:0 0 12px rgba(46,230,192,.85);
}
.nav-icon{display:inline-flex;width:18px;height:18px;flex:0 0 auto;color:currentColor;}
.nav-icon svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.sidebar-foot{margin-top:auto;padding-top:22px;border-top:1px solid var(--line);font-size:13px;line-height:1.7;color:var(--text-mute);}
.sidebar-label{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-mute);margin-bottom:6px;}
.sidebar-foot a{color:var(--text-sub);border-bottom:1px solid rgba(46,230,192,.35);transition:color .18s ease;}
.sidebar-foot a:hover{color:var(--brand);}

/* ---------- 移动端顶栏与抽屉 ---------- */
.mobile-bar{display:none;}
.menu-btn{
  width:44px;height:44px;display:grid;place-items:center;border-radius:12px;
  border:1px solid var(--glass-border);background:rgba(255,255,255,.05);color:var(--text);
  transition:background .18s ease,transform .18s ease;
}
.menu-btn:hover{background:rgba(255,255,255,.10);}
.menu-btn:active{transform:scale(.96);}
.menu-btn svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;}
.drawer{position:fixed;inset:0;z-index:70;pointer-events:none;}
.drawer.open{pointer-events:auto;}
.drawer-backdrop{position:absolute;inset:0;background:rgba(3,8,12,.72);opacity:0;transition:opacity .26s ease;}
.drawer.open .drawer-backdrop{opacity:1;}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;width:82vw;max-width:330px;
  padding:20px;display:flex;flex-direction:column;gap:22px;
  background:var(--bg-base);border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform .28s cubic-bezier(.22,.61,.36,1);
  overflow-y:auto;
}
.drawer.open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.drawer-close{width:44px;height:44px;display:grid;place-items:center;border-radius:12px;font-size:24px;line-height:1;color:var(--text-sub);border:1px solid var(--glass-border);transition:background .18s ease,color .18s ease;}
.drawer-close:hover{background:rgba(255,255,255,.08);color:var(--text);}
.drawer .side-nav a{padding:13px 14px;font-size:15px;}

/* ---------- 内容区 ---------- */
.content-shell{margin-left:var(--nav-w);display:flex;flex-direction:column;min-height:100vh;}
.container,.content-wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 40px;}
.article-main{flex:1 0 auto;padding:44px 0 0;}
.reading{max-width:820px;}

.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;line-height:1.7;color:var(--text-mute);}
.breadcrumb a{color:var(--text-sub);transition:color .18s ease;}
.breadcrumb a:hover{color:var(--brand);}
.crumb-sep{color:rgba(255,255,255,.3);}
.crumb-tail{color:var(--text-sub);max-width:min(100%,460px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

.post-head{margin-top:26px;padding-bottom:28px;border-bottom:1px solid var(--line);}
.post-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:999px;font-size:13px;line-height:1.6;
  color:var(--brand);background:rgba(46,230,192,.10);border:1px solid rgba(46,230,192,.28);
}
.post-head h1{
  margin-top:16px;
  font-size:clamp(30px,4vw,42px);
  line-height:1.3;font-weight:700;letter-spacing:-.01em;
  word-break:break-word;
}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;font-size:13px;color:var(--text-mute);}
.post-meta .dot{color:rgba(255,255,255,.3);}
.post-meta .meta-strong{color:var(--text-sub);}

/* ---------- 正文排版 ---------- */
.article-body{margin-top:34px;font-size:17px;line-height:1.9;color:var(--text);word-break:break-word;}
.article-body p{margin:18px 0;}
.article-body p:first-child{margin-top:0;}
.article-body h2{position:relative;margin:44px 0 16px;padding-left:18px;font-size:clamp(22px,2.4vw,26px);line-height:1.35;font-weight:700;}
.article-body h2::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:4px;background:var(--brand);box-shadow:0 0 14px rgba(46,230,192,.65);}
.article-body h3{margin:30px 0 12px;font-size:20px;line-height:1.45;font-weight:600;}
.article-body h4{margin:24px 0 10px;font-size:17px;font-weight:600;color:var(--text-sub);}
.article-body ul,.article-body ol{margin:16px 0;padding-left:22px;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin:6px 0;}
.article-body li::marker{color:var(--brand);}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(46,230,192,.45);transition:border-color .18s ease,color .18s ease;}
.article-body a:hover{border-bottom-color:var(--brand);}
.article-body img{max-width:100%;height:auto;border-radius:14px;margin:24px auto;box-shadow:var(--shadow-card);}
.article-body figure{margin:24px 0;}
.article-body figcaption{margin-top:13px;text-align:center;font-size:13px;color:var(--text-mute);}
.article-body blockquote{
  margin:24px 0;padding:20px 22px;
  background:var(--glass);border:1px solid var(--glass-border);border-left:3px solid var(--brand);
  border-radius:var(--radius-sm);color:var(--text-sub);
}
.article-body blockquote p{margin:0;}
.article-body table{display:block;width:100%;overflow-x:auto;border-collapse:collapse;margin:24px 0;font-size:15px;border-radius:var(--radius-sm);}
.article-body thead{background:rgba(255,255,255,.07);}
.article-body th,.article-body td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap;}
.article-body th{font-weight:600;color:var(--text);}
.article-body tbody tr:nth-child(even){background:rgba(255,255,255,.03);}
.article-body pre{
  margin:24px 0;padding:18px;border-radius:12px;overflow-x:auto;
  background:#0A1218;border:1px solid var(--line);
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px;line-height:1.7;
}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92em;
  background:rgba(255,255,255,.07);padding:2px 6px;border-radius:6px;color:var(--brand);
}
.article-body pre code{background:none;padding:0;color:var(--text);}
.article-body hr{margin:36px 0;border:none;border-top:1px solid var(--line);}

/* ---------- 文末 ---------- */
.post-foot{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  margin-top:52px;padding-top:28px;border-top:1px solid var(--line);
}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  padding:6px 14px;border-radius:999px;font-size:14px;line-height:1.6;
  color:var(--brand);background:rgba(46,230,192,.10);border:1px solid rgba(46,230,192,.22);
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1.2;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
}
.btn-primary{
  background:var(--brand);color:#062022;
  box-shadow:0 0 0 1px rgba(46,230,192,.35),0 8px 28px rgba(46,230,192,.22);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(46,230,192,.5),0 12px 34px rgba(46,230,192,.32);}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(46,230,192,.35),0 6px 18px rgba(46,230,192,.2);}
.btn-ghost{background:transparent;color:var(--brand);border:1px solid rgba(46,230,192,.45);}
.btn-ghost:hover{background:rgba(46,230,192,.10);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn .arrow{transition:transform .18s ease;}
.btn:hover .arrow{transform:translateX(4px);}

.empty-state{
  margin-top:34px;padding:64px 24px;text-align:center;
  border:1px dashed rgba(255,255,255,.14);border-radius:var(--radius-lg);
  background:rgba(255,255,255,.04);
}
.empty-state .empty-icon{
  width:56px;height:56px;margin:0 auto 18px;display:grid;place-items:center;
  border-radius:18px;border:1px solid var(--glass-border);background:rgba(255,255,255,.05);
  color:var(--brand);
}
.empty-state .empty-icon svg{width:26px;height:26px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.empty-state h2{font-size:20px;font-weight:600;}
.empty-state p{margin-top:10px;font-size:15px;color:var(--text-sub);}
.empty-state .btn{margin-top:24px;}

/* ---------- 继续了解 ---------- */
.next-read{margin-top:76px;}
.section-kicker{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--brand-dim);}
.next-read h2{margin-top:8px;font-size:clamp(20px,2.4vw,24px);font-weight:700;line-height:1.4;}
.next-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:22px;}
.next-card{
  display:flex;align-items:center;gap:16px;padding:16px;
  border-radius:var(--radius-md);
  background:var(--glass);border:1px solid var(--glass-border);
  box-shadow:var(--shadow-card);
  transition:transform .18s ease,border-color .18s ease,background .18s ease;
}
.next-card:hover{transform:translateY(-4px);border-color:rgba(46,230,192,.4);background:rgba(255,255,255,.08);}
.next-card img{width:104px;height:78px;flex:0 0 auto;object-fit:cover;border-radius:12px;}
.next-card h3{font-size:17px;font-weight:600;line-height:1.4;}
.next-card p{margin-top:6px;font-size:14px;line-height:1.7;color:var(--text-sub);}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:96px;border-top:1px solid var(--line);background:rgba(7,16,24,.72);}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.3fr;gap:36px;padding:56px 0 40px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand-text{display:flex;flex-direction:column;gap:2px;}
.footer-brand-text strong{font-size:16px;font-weight:700;}
.footer-brand-text span{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--text-mute);}
.footer-about{font-size:14px;line-height:1.8;color:var(--text-mute);max-width:340px;}
.footer-col h3{font-size:14px;font-weight:600;margin-bottom:14px;color:var(--text);}
.footer-links li{font-size:14px;color:var(--text-mute);line-height:1.9;margin-bottom:8px;}
.footer-links a{color:var(--text-sub);transition:color .18s ease;}
.footer-links a:hover{color:var(--brand);}
.footer-note{font-size:14px;line-height:1.8;color:var(--text-mute);}
.footer-note a{color:var(--text-sub);border-bottom:1px solid rgba(46,230,192,.35);transition:color .18s ease;}
.footer-note a:hover{color:var(--brand);}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  padding:18px 0 28px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-mute);
}

/* ---------- 响应式 ---------- */
@media (min-width:1024px) and (max-width:1279px){
  :root{--nav-w:220px;}
  .container,.content-wrap{padding:0 32px;}
}
@media (max-width:1023px){
  .sidebar{display:none;}
  .content-shell{margin-left:0;}
  .mobile-bar{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    position:sticky;top:0;z-index:50;height:60px;padding:0 20px;
    background:rgba(7,16,24,0.92);
    backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);
  }
  .mobile-bar .brand-mark{width:34px;height:34px;font-size:16px;border-radius:11px;}
  .mobile-bar .brand-lockup strong{font-size:15px;}
  .article-main{padding-top:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;padding:44px 0 32px;}
  .footer-about{max-width:none;}
}
@media (max-width:640px){
  body{font-size:16px;}
  .container,.content-wrap{padding:0 18px;}
  .article-main{padding-top:22px;}
  .post-head h1{font-size:28px;}
  .article-body{font-size:16px;}
  .article-body h2{font-size:22px;margin-top:36px;}
  .article-body h3{font-size:18px;}
  .next-grid{grid-template-columns:1fr;}
  .next-card img{width:88px;height:68px;}
  .post-foot{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;font-size:12px;}
  .site-footer{margin-top:64px;}
  .next-read{margin-top:56px;}
}

/* roulang page: category1 */
:root{
  --bg-deep:#071018;
  --bg-base:#0A1A1F;
  --bg-soft:#10272C;
  --glass:rgba(255,255,255,0.06);
  --glass-border:rgba(255,255,255,0.10);
  --brand:#2EE6C0;
  --brand-dim:#1FAF95;
  --accent:#FF7A45;
  --info:#59A6FF;
  --text:#E8F3F1;
  --text-sub:#9DB4B6;
  --text-mute:#6C8285;
  --line:rgba(255,255,255,0.08);
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-card:0 18px 48px rgba(0,0,0,0.45);
  --shadow-soft:0 10px 28px rgba(0,0,0,0.30);
  --nav-w:260px;
  --max-w:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  min-height:100vh;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:17px;
  line-height:1.9;
  color:var(--text);
  background-color:var(--bg-deep);
  background-image:
    radial-gradient(60% 45% at 0% 0%, rgba(46,230,192,0.12), transparent 70%),
    radial-gradient(50% 40% at 100% 100%, rgba(255,122,69,0.08), transparent 70%);
  background-attachment:fixed;
  overflow-x:hidden;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  opacity:0.05;
  background-image:radial-gradient(circle at 50% 0, rgba(255,255,255,0.9) 0 1px, transparent 1px);
  background-size:22px 22px;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s ease, background-color .18s ease, border-color .18s ease, transform .18s ease;}
button{font-family:inherit;font-size:inherit;color:inherit;border:0;background:none;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

/* ---------- 侧栏导航 ---------- */
.side-nav-wrap{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--nav-w);
  z-index:60;
  display:flex;
  flex-direction:column;
  gap:32px;
  padding:32px 20px 24px;
  background:linear-gradient(180deg, rgba(10,26,31,0.96), rgba(7,16,24,0.99));
  border-right:1px solid var(--line);
  backdrop-filter:blur(14px);
  overflow-y:auto;
}
.side-nav-top{display:flex;align-items:center;justify-content:space-between;gap:10px;}
.brand-block,.mobile-brand{display:flex;align-items:center;gap:12px;}
.brand-mark{
  width:40px;height:40px;
  flex:0 0 40px;
  display:grid;place-items:center;
  border-radius:12px;
  font-size:19px;
  font-weight:700;
  color:#04211C;
  background:linear-gradient(135deg,var(--brand),var(--brand-dim));
  box-shadow:0 8px 22px rgba(46,230,192,0.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.3;}
.brand-text strong{font-size:15px;font-weight:700;letter-spacing:.02em;color:var(--text);}
.brand-text span{font-size:11px;color:var(--text-mute);letter-spacing:.12em;text-transform:uppercase;}
.drawer-close{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  font-size:22px;
  line-height:1;
  color:var(--text-sub);
  background:rgba(255,255,255,0.05);
  border:1px solid var(--glass-border);
}

.side-nav{display:flex;flex-direction:column;gap:6px;}
.side-nav a{
  position:relative;
  display:flex;
  align-items:center;
  gap:12px;
  padding:11px 12px;
  border-radius:12px;
  font-size:15px;
  color:var(--text-sub);
  border:1px solid transparent;
}
.side-nav a + a{margin-top:0;}
.side-nav a:hover{
  color:var(--text);
  background:rgba(255,255,255,0.05);
  border-color:rgba(255,255,255,0.06);
}
.side-nav a.active{
  color:var(--text);
  font-weight:600;
  background:rgba(255,255,255,0.08);
  border-color:rgba(46,230,192,0.22);
  box-shadow:inset 0 0 24px rgba(46,230,192,0.08);
}
.side-nav a.active::before{
  content:"";
  position:absolute;
  left:-20px;top:50%;
  transform:translateY(-50%);
  width:3px;height:22px;
  border-radius:0 3px 3px 0;
  background:var(--brand);
  box-shadow:0 0 14px rgba(46,230,192,0.9);
}
.nav-icon{display:grid;place-items:center;width:18px;height:18px;flex:0 0 18px;}
.nav-icon svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}

.side-nav-foot{
  margin-top:auto;
  padding-top:20px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-mute);
  line-height:1.8;
}
.side-nav-foot a{color:var(--brand);word-break:break-all;}
.side-nav-foot a:hover{color:#7CF3DC;}
.side-nav-foot .mute{margin-top:8px;color:var(--text-mute);}

/* ---------- 移动端顶栏 ---------- */
.mobile-bar{
  display:none;
  position:fixed;
  top:0;left:0;right:0;
  height:60px;
  z-index:70;
  align-items:center;
  justify-content:space-between;
  padding:0 16px;
  background:rgba(7,16,24,0.92);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px);
}
.mobile-brand-text strong{font-size:14px;font-weight:700;}
.nav-toggle{
  width:44px;height:44px;
  display:grid;place-items:center;gap:5px;
  border-radius:12px;
  border:1px solid var(--glass-border);
  background:rgba(255,255,255,0.05);
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text-sub);}
.nav-toggle:hover span{background:var(--brand);}
.scrim{
  position:fixed;inset:0;z-index:55;
  background:rgba(3,9,12,0.66);
  backdrop-filter:blur(2px);
}

/* ---------- 页面容器 ---------- */
.page-shell{
  position:relative;
  z-index:1;
  margin-left:var(--nav-w);
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
.content-wrap{
  width:100%;
  max-width:var(--max-w);
  margin:0 auto;
  padding:0 clamp(16px,4vw,40px);
}
main{padding:32px 0 0;flex:1;}

/* ---------- 小头图 ---------- */
.kv-band{
  position:relative;
  min-height:240px;
  display:flex;
  align-items:flex-end;
  padding:32px clamp(20px,3vw,36px);
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--glass-border);
  background-image:
    linear-gradient(90deg, rgba(7,16,24,0.90) 0%, rgba(7,16,24,0.66) 55%, rgba(7,16,24,0.42) 100%),
    url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
  box-shadow:var(--shadow-card);
}
.kv-inner{max-width:620px;}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--text-sub);
  margin-bottom:12px;
}
.breadcrumb a{color:var(--text-sub);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb span[aria-current]{color:var(--text);}
.kv-band h1{
  font-size:clamp(28px,3.4vw,40px);
  line-height:1.25;
  font-weight:700;
  letter-spacing:.01em;
}
.kv-band .kv-sub{
  margin-top:10px;
  font-size:16px;
  line-height:1.7;
  color:var(--text-sub);
  max-width:560px;
}

/* ---------- 通用板块 ---------- */
.section{margin-top:72px;}
.section-head{max-width:660px;margin-bottom:28px;}
.eyebrow{
  font-size:12px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--brand);
  margin-bottom:10px;
}
.section-head h2{
  font-size:clamp(22px,2.6vw,32px);
  line-height:1.3;
  font-weight:700;
}
.section-head p{
  margin-top:10px;
  font-size:15px;
  line-height:1.8;
  color:var(--text-sub);
}

/* ---------- 阶段带 ---------- */
.stage-strip{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px;
  padding:22px;
  border-radius:var(--radius-lg);
  background:var(--glass);
  border:1px solid var(--glass-border);
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow-soft);
}
.stage-item{position:relative;padding-right:14px;}
.stage-item + .stage-item{padding-left:16px;}
.stage-item + .stage-item::before{
  content:"";
  position:absolute;
  left:0;top:4px;bottom:4px;
  width:1px;
  background:var(--line);
}
.stage-num{
  font-family:ui-monospace,"SFMono-Regular",Consolas,monospace;
  font-size:20px;
  font-weight:700;
  color:var(--brand);
  letter-spacing:.04em;
  opacity:.9;
}
.stage-item h3{font-size:16px;font-weight:600;margin-top:4px;}
.stage-item p{margin-top:6px;font-size:14px;line-height:1.7;color:var(--text-sub);}

/* ---------- 主体两栏 ---------- */
.cat-layout{
  display:grid;
  grid-template-columns:minmax(0,8fr) minmax(0,4fr);
  gap:24px;
  align-items:start;
}
.card-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.info-card{
  position:relative;
  display:flex;
  flex-direction:column;
  background:var(--glass);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-md);
  overflow:hidden;
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow-soft);
  transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.info-card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:rgba(255,255,255,0.18);
  z-index:2;
}
.info-card:hover{
  transform:translateY(-4px);
  border-color:rgba(46,230,192,0.30);
  box-shadow:0 22px 52px rgba(0,0,0,0.5);
}
.card-cover{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--bg-soft);
}
.card-cover img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.info-card:hover .card-cover img{transform:scale(1.04);}
.card-cover::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(7,16,24,0.05), rgba(7,16,24,0.55));
}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;}
.badge{
  display:inline-flex;
  align-items:center;
  align-self:flex-start;
  padding:4px 11px;
  border-radius:999px;
  font-size:12px;
  line-height:1.6;
  letter-spacing:.02em;
}
.badge-info{background:rgba(89,166,255,0.14);color:#A8CDFF;border:1px solid rgba(89,166,255,0.28);}
.badge-accent{background:rgba(255,122,69,0.13);color:#FFB597;border:1px solid rgba(255,122,69,0.28);}
.card-body h3{font-size:18px;line-height:1.5;font-weight:600;}
.key-points{display:flex;flex-direction:column;gap:4px;}
.key-points li{
  position:relative;
  padding-left:16px;
  font-size:14px;
  line-height:1.7;
  color:var(--text-sub);
}
.key-points li::before{
  content:"";
  position:absolute;
  left:0;top:10px;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--brand-dim);
}

/* ---------- 侧栏 ---------- */
.aside-stack{
  position:sticky;
  top:24px;
  display:flex;
  flex-direction:column;
  gap:20px;
}
.aside-card{
  padding:22px;
  border-radius:var(--radius-md);
  background:var(--glass);
  border:1px solid var(--glass-border);
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow-soft);
}
.aside-card h3{
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  margin-bottom:14px;
  color:var(--text);
}
.anchor-nav{display:flex;flex-direction:column;gap:2px;}
.anchor-nav a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:8px;
  padding:9px 10px;
  border-radius:10px;
  font-size:14px;
  color:var(--text-sub);
  border:1px solid transparent;
}
.anchor-nav a::after{
  content:"→";
  font-size:13px;
  opacity:0;
  transform:translateX(-4px);
  transition:opacity .18s ease, transform .18s ease;
}
.anchor-nav a:hover,
.anchor-nav a:focus-visible{
  color:var(--text);
  background:rgba(255,255,255,0.06);
  border-color:rgba(255,255,255,0.08);
}
.anchor-nav a:hover::after{opacity:1;transform:translateX(0);color:var(--brand);}
.aside-contact p{font-size:14px;line-height:1.8;color:var(--text-sub);}
.aside-contact .mail{
  display:inline-block;
  margin:10px 0 16px;
  font-size:15px;
  color:var(--brand);
  border-bottom:1px solid rgba(46,230,192,0.4);
  word-break:break-all;
}
.aside-contact .mail:hover{color:#7CF3DC;border-bottom-color:#7CF3DC;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 24px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  border:1px solid transparent;
  transition:transform .18s ease, box-shadow .18s ease, background-color .18s ease, border-color .18s ease, color .18s ease;
}
.btn-primary{
  color:#04211C;
  background:linear-gradient(135deg,var(--brand),var(--brand-dim));
  box-shadow:0 0 0 1px rgba(46,230,192,0.35), 0 8px 28px rgba(46,230,192,0.22);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(46,230,192,0.5), 0 12px 36px rgba(46,230,192,0.32);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(46,230,192,0.4), 0 4px 14px rgba(46,230,192,0.2);}
.btn-ghost{
  color:var(--brand);
  background:transparent;
  border-color:rgba(46,230,192,0.42);
}
.btn-ghost:hover{
  transform:translateY(-2px);
  background:rgba(46,230,192,0.10);
  border-color:rgba(46,230,192,0.7);
}
.btn-ghost:active{transform:translateY(0);background:rgba(46,230,192,0.16);}
.btn-block{width:100%;}

/* ---------- 要点清单 ---------- */
.points-panel{
  padding:clamp(22px,3vw,34px);
  border-radius:var(--radius-lg);
  background:linear-gradient(160deg, rgba(255,255,255,0.07), rgba(255,255,255,0.03));
  border:1px solid var(--glass-border);
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow-soft);
}
.points-list{display:flex;flex-direction:column;}
.point-row{
  display:grid;
  grid-template-columns:64px minmax(0,1fr);
  gap:20px;
  align-items:start;
  padding:22px 0;
}
.point-row + .point-row{border-top:1px solid var(--line);}
.point-num{
  font-family:ui-monospace,"SFMono-Regular",Consolas,monospace;
  font-size:26px;
  font-weight:700;
  line-height:1;
  color:transparent;
  -webkit-text-stroke:1px rgba(46,230,192,0.75);
  text-stroke:1px rgba(46,230,192,0.75);
}
.point-row h3{font-size:17px;font-weight:600;margin-bottom:6px;}
.point-row p{font-size:15px;line-height:1.8;color:var(--text-sub);}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq-item{
  border-radius:var(--radius-md);
  background:var(--glass);
  border:1px solid var(--glass-border);
  backdrop-filter:blur(14px);
  overflow:hidden;
  transition:border-color .18s ease, background-color .18s ease;
}
.faq-item[open]{border-color:rgba(46,230,192,0.28);background:rgba(255,255,255,0.075);}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 22px;
  cursor:pointer;
  list-style:none;
  font-size:17px;
  font-weight:600;
  color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  flex:0 0 auto;
  font-size:20px;
  line-height:1;
  color:var(--brand);
  transition:transform .22s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item summary:hover{color:#fff;}
.faq-answer{
  padding:0 22px 20px;
  font-size:15px;
  line-height:1.8;
  color:var(--text-sub);
}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  padding:clamp(24px,3.4vw,40px);
  border-radius:24px;
  overflow:hidden;
  background:linear-gradient(120deg, rgba(46,230,192,0.14), rgba(255,122,69,0.10));
  border:1px solid rgba(46,230,192,0.24);
  box-shadow:var(--shadow-card);
}
.cta-band::before{
  content:"";
  position:absolute;inset:0;
  opacity:0.05;
  background-image:
    radial-gradient(circle at 20% 30%, #fff 0 1.5px, transparent 1.5px),
    radial-gradient(circle at 70% 70%, #fff 0 1.5px, transparent 1.5px);
  background-size:34px 34px, 46px 46px;
  pointer-events:none;
}
.cta-band h2{font-size:clamp(20px,2.4vw,28px);line-height:1.35;font-weight:700;}
.cta-band p{margin-top:8px;font-size:15px;line-height:1.8;color:var(--text-sub);max-width:560px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg, rgba(10,26,31,0.5), rgba(7,16,24,0.9));
  padding:56px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:32px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.footer-brand-text{display:flex;flex-direction:column;line-height:1.35;}
.footer-brand-text strong{font-size:15px;font-weight:700;}
.footer-brand-text span{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-mute);}
.footer-about{font-size:14px;line-height:1.8;color:var(--text-sub);max-width:330px;}
.footer-col h3{font-size:14px;font-weight:600;margin-bottom:14px;color:var(--text);}
.footer-links{display:flex;flex-direction:column;gap:9px;font-size:14px;color:var(--text-sub);}
.footer-links a{color:var(--text-sub);}
.footer-links a:hover{color:var(--brand);}
.footer-note{font-size:14px;line-height:1.8;color:var(--text-sub);}
.footer-note a{color:var(--brand);word-break:break-all;}
.footer-note a:hover{color:#7CF3DC;}
.footer-bottom{
  margin-top:36px;
  padding-top:18px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--text-mute);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  :root{--nav-w:220px;}
  .side-nav-wrap{padding:28px 16px 20px;}
  .side-nav a.active::before{left:-16px;}
}
@media (max-width:1023px){
  .side-nav-wrap{
    width:82vw;
    max-width:340px;
    left:auto;right:0;
    padding:24px 20px;
    transform:translateX(100%);
    transition:transform .26s ease;
    border-right:0;
    border-left:1px solid var(--line);
    box-shadow:-20px 0 60px rgba(0,0,0,0.5);
  }
  .side-nav-wrap.is-open{transform:translateX(0);}
  .drawer-close{display:grid;place-items:center;}
  .side-nav a.active::before{left:-20px;}
  .mobile-bar{display:flex;}
  .page-shell{margin-left:0;padding-top:60px;}
  main{padding-top:24px;}
  .cat-layout{grid-template-columns:minmax(0,1fr);}
  .aside-stack{position:static;}
  .stage-strip{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:20px;}
  .stage-item:nth-child(3)::before{display:none;}
  .stage-item:nth-child(3){padding-left:0;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .section{margin-top:56px;}
  .kv-band{padding:24px 20px;min-height:220px;}
  .kv-band .kv-sub{font-size:15px;}
  .stage-strip{grid-template-columns:minmax(0,1fr);}
  .stage-item{padding-left:0 !important;}
  .stage-item + .stage-item{padding-left:0;padding-top:16px;}
  .stage-item + .stage-item::before{
    left:0;right:0;top:0;
    width:auto;height:1px;
    bottom:auto;
  }
  .stage-item:nth-child(3)::before{display:block;}
  .point-row{grid-template-columns:48px minmax(0,1fr);gap:14px;}
  .point-num{font-size:22px;}
  .faq-item summary{font-size:16px;padding:16px 18px;}
  .faq-answer{padding:0 18px 18px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;}
  .site-footer{margin-top:64px;padding-top:44px;}
  .cta-actions .btn{width:100%;}
}
@media (max-width:519px){
  .content-wrap{padding:0 16px;}
  .kv-band h1{font-size:26px;}
  .aside-card{padding:18px;}
  .points-panel{padding:18px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category2 */
:root{
  --bg-deep:#071018;
  --bg-base:#0A1A1F;
  --bg-soft:#10272C;
  --glass:rgba(255,255,255,0.06);
  --glass-border:rgba(255,255,255,0.10);
  --brand:#2EE6C0;
  --brand-dim:#1FAF95;
  --accent:#FF7A45;
  --info:#59A6FF;
  --text:#E8F3F1;
  --text-sub:#9DB4B6;
  --text-mute:#6C8285;
  --line:rgba(255,255,255,0.08);
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-card:0 18px 48px rgba(0,0,0,0.45);
  --sidebar-w:260px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  background:var(--bg-deep);
  color:var(--text);
  font-size:17px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(circle at 18% 0%, rgba(46,230,192,.12), transparent 46%),
    radial-gradient(circle at 88% 92%, rgba(255,122,69,.08), transparent 46%);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:radial-gradient(circle at 50% 50%, transparent 11px, rgba(255,255,255,.022) 12px, transparent 13px);
  background-size:26px 26px;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
button{font-family:inherit}
::selection{background:rgba(46,230,192,.28);color:#03110d}

/* ---------- 侧栏导航 ---------- */
.side-nav{
  position:fixed;
  top:0;left:0;
  width:var(--sidebar-w);
  height:100vh;
  z-index:40;
  display:flex;
  flex-direction:column;
  padding:26px 18px 22px;
  background:rgba(10,26,31,.74);
  backdrop-filter:blur(16px);
  border-right:1px solid var(--line);
  overflow-y:auto;
}
.side-nav::-webkit-scrollbar{width:6px}
.side-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.12);border-radius:6px}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  padding:4px 4px 18px;
  color:var(--text);
}
.brand-mark{
  width:44px;height:44px;
  flex:0 0 auto;
  display:grid;place-items:center;
  border-radius:14px;
  background:linear-gradient(140deg,var(--brand),var(--brand-dim));
  color:#04140f;
  font-size:20px;
  font-weight:800;
  box-shadow:0 8px 24px rgba(46,230,192,.25);
}
.brand-text{display:flex;flex-direction:column;line-height:1.35}
.brand-text strong{font-size:14px;font-weight:700;letter-spacing:.01em}
.brand-text span{font-size:10px;color:var(--text-mute);letter-spacing:.16em;text-transform:uppercase}
.side-nav nav{display:flex;flex-direction:column;gap:6px;margin-top:8px}
.side-nav nav a{
  position:relative;
  display:flex;
  align-items:center;
  gap:12px;
  padding:12px 14px;
  border-radius:12px;
  font-size:15px;
  color:var(--text-sub);
  transition:background .18s ease,color .18s ease,box-shadow .18s ease;
}
.nav-icon{display:grid;place-items:center;width:20px;height:20px;flex:0 0 auto}
.nav-icon svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.side-nav nav a:hover{background:rgba(255,255,255,.05);color:var(--text)}
.side-nav nav a.active{background:rgba(255,255,255,.08);color:var(--text);box-shadow:inset 0 0 0 1px rgba(255,255,255,.06)}
.side-nav nav a.active::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  transform:translateY(-50%);
  width:3px;height:22px;
  border-radius:3px;
  background:var(--brand);
  box-shadow:0 0 12px rgba(46,230,192,.85);
}
.side-foot{margin-top:auto;padding:20px 6px 0;border-top:1px solid var(--line)}
.side-foot-title{font-size:12px;letter-spacing:.1em;color:var(--text-mute);margin-bottom:8px}
.side-mail{font-size:14px;color:var(--brand);border-bottom:1px solid rgba(46,230,192,.32);padding-bottom:2px;transition:.18s}
.side-mail:hover{color:#7cf5e0;border-color:rgba(46,230,192,.85)}
.side-copy{font-size:12px;color:var(--text-mute);margin-top:16px;line-height:1.7}

/* ---------- 移动端导航 ---------- */
.mobile-bar{
  display:none;
  position:fixed;
  top:0;left:0;right:0;
  height:60px;
  z-index:50;
  align-items:center;
  justify-content:space-between;
  padding:0 16px;
  background:rgba(7,16,24,.93);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.mobile-bar .brand{padding:0}
.mobile-bar .brand-mark{width:36px;height:36px;border-radius:11px;font-size:17px}
.mobile-bar .brand-text strong{font-size:13px}
.hamburger{
  width:44px;height:44px;
  display:grid;place-items:center;
  gap:4px;
  border:1px solid var(--glass-border);
  border-radius:12px;
  background:var(--glass);
  cursor:pointer;
}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:.2s}
.hamburger:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.drawer-mask{position:fixed;inset:0;background:rgba(3,9,12,.66);backdrop-filter:blur(2px);z-index:65}
.drawer{
  position:fixed;
  top:0;right:0;
  height:100vh;
  width:82vw;
  max-width:340px;
  z-index:70;
  display:flex;
  flex-direction:column;
  padding:20px;
  background:linear-gradient(180deg,#0A1A1F,#071018);
  border-left:1px solid var(--line);
  transform:translateX(105%);
  transition:transform .3s ease;
  overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-title{font-size:13px;letter-spacing:.12em;color:var(--text-mute)}
.drawer-close{
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--glass-border);
  background:var(--glass);
  color:var(--text);
  font-size:22px;
  line-height:1;
  cursor:pointer;
}
.drawer-close:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-nav a{
  display:flex;align-items:center;gap:12px;
  padding:13px 14px;
  border-radius:12px;
  font-size:15px;
  color:var(--text-sub);
  transition:.18s;
}
.drawer-nav a:hover{background:rgba(255,255,255,.05);color:var(--text)}
.drawer-nav a.active{background:rgba(255,255,255,.08);color:var(--text)}
.drawer-cta{margin-top:24px;width:100%}

/* ---------- 页面骨架 ---------- */
.page{position:relative;z-index:1;margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column}
.content-wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 40px}
main{flex:1 0 auto}
.section{padding:72px 0}
.section-tight{padding:56px 0}

/* ---------- 通用文字 ---------- */
.eyebrow{
  display:inline-block;
  font-size:12px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--brand);
  margin-bottom:14px;
}
.h1{font-size:clamp(28px,3.4vw,42px);line-height:1.28;font-weight:700;letter-spacing:.01em}
.h2{font-size:clamp(23px,2.4vw,32px);line-height:1.3;font-weight:700}
.h3{font-size:clamp(17px,1.6vw,20px);line-height:1.45;font-weight:600}
.lead{font-size:17px;line-height:1.85;color:var(--text-sub);max-width:620px}
.muted{color:var(--text-sub);font-size:15px;line-height:1.8}
.section-head{max-width:660px;margin-bottom:34px}
.section-head p{margin-top:12px;color:var(--text-sub);font-size:15px;line-height:1.8}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-mute);padding:28px 0 20px}
.crumb a{color:var(--text-sub);transition:color .18s}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:rgba(255,255,255,.24)}
.crumb .current{color:var(--text)}

/* ---------- 头图带 ---------- */
.cat-head{padding-bottom:12px}
.cat-head-inner{
  display:grid;
  grid-template-columns:1fr 300px;
  gap:36px;
  align-items:end;
  padding:34px 0 44px;
  border-bottom:1px solid var(--line);
}
.head-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.mini-card{
  position:relative;
  border-radius:var(--radius-md);
  border:1px solid var(--glass-border);
  background:var(--glass);
  backdrop-filter:blur(14px);
  padding:20px 22px;
  box-shadow:var(--shadow-card);
  overflow:hidden;
}
.mini-card::before{
  content:"";
  position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.18),transparent);
}
.mini-card h2{font-size:13px;letter-spacing:.1em;color:var(--text-mute);font-weight:600;margin-bottom:14px}
.mini-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:10px 0;border-top:1px dashed rgba(255,255,255,.10)}
.mini-row:first-of-type{border-top:0}
.mini-row span{font-size:14px;color:var(--text-sub)}
.mini-row strong{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-variant-numeric:tabular-nums;font-size:16px;color:var(--brand);font-weight:600}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 24px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--brand);color:#04140f;box-shadow:0 0 0 1px rgba(46,230,192,.35),0 8px 28px rgba(46,230,192,.22)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(46,230,192,.55),0 12px 34px rgba(46,230,192,.34)}
.btn-ghost{background:transparent;border-color:var(--glass-border);color:var(--brand)}
.btn-ghost:hover{background:rgba(46,230,192,.08);border-color:rgba(46,230,192,.42);transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:3px}

/* ---------- 徽章 / 文字链 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  padding:4px 12px;
  border-radius:999px;
  font-size:12px;
  letter-spacing:.04em;
  line-height:1.8;
}
.badge-info{background:rgba(89,166,255,.14);color:#9CCBFF;border:1px solid rgba(89,166,255,.28)}
.badge-accent{background:rgba(255,122,69,.14);color:#FFB08C;border:1px solid rgba(255,122,69,.28)}
.badge-brand{background:rgba(46,230,192,.13);color:#7CF5E0;border:1px solid rgba(46,230,192,.28)}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--brand);
  border-bottom:1px solid rgba(46,230,192,.32);
  padding-bottom:2px;
  transition:color .18s,border-color .18s;
}
.text-link::after{content:"→";font-weight:400;transition:transform .18s ease}
.text-link:hover{color:#7CF5E0;border-color:rgba(46,230,192,.85)}
.text-link:hover::after{transform:translateX(4px)}
.text-link:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px}

/* ---------- 大图列表行 ---------- */
.rows{display:flex;flex-direction:column}
.row{
  display:grid;
  grid-template-columns:40% 1fr;
  gap:32px;
  align-items:center;
  padding:28px 0;
  border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.rows .row:first-child{border-top:1px solid var(--line)}
.row-media{
  position:relative;
  aspect-ratio:16/10;
  border-radius:var(--radius-md);
  overflow:hidden;
  background:var(--bg-soft);
  box-shadow:var(--shadow-card);
}
.row-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .35s ease;
}
.row-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,16,24,.05),rgba(7,16,24,.32));
  pointer-events:none;
}
.row:hover .row-media img{transform:scale(1.035)}
.row-body{display:flex;flex-direction:column;align-items:flex-start;gap:10px}
.row-body p{font-size:15px;line-height:1.8;color:var(--text-sub);max-width:60ch}

/* ---------- 核对清单 ---------- */
.check-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:40px;align-items:start}
.check-list{list-style:none;margin-top:26px}
.check-list li{display:flex;gap:20px;padding:22px 0;border-bottom:1px solid var(--line)}
.check-list li:first-child{padding-top:0}
.check-list .num{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:26px;
  line-height:1.2;
  flex:0 0 auto;
  color:transparent;
  -webkit-text-stroke:1px rgba(46,230,192,.65);
  letter-spacing:.02em;
}
.check-list h3{font-size:17px;font-weight:600;margin-bottom:6px}
.check-list p{font-size:15px;line-height:1.8;color:var(--text-sub)}
.glass-note{
  position:relative;
  border-radius:var(--radius-lg);
  border:1px solid var(--glass-border);
  background:var(--glass);
  backdrop-filter:blur(14px);
  padding:26px 24px;
  box-shadow:var(--shadow-card);
  overflow:hidden;
}
.glass-note::before{
  content:"";
  position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.18),transparent);
}
.glass-note h3{font-size:17px;font-weight:600;margin-bottom:10px}
.glass-note p{font-size:14px;line-height:1.85;color:var(--text-sub);margin-bottom:18px}
.glass-note .btn{width:100%}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;margin-top:30px}
.faq{
  border:1px solid var(--glass-border);
  background:var(--glass);
  backdrop-filter:blur(14px);
  border-radius:var(--radius-md);
  overflow:hidden;
  transition:border-color .18s ease,background .18s ease;
}
.faq:hover{border-color:rgba(255,255,255,.18)}
.faq summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 22px;
  font-size:17px;
  font-weight:600;
  cursor:pointer;
  list-style:none;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:focus-visible{outline:2px solid var(--brand);outline-offset:-3px}
.faq-icon{position:relative;width:20px;height:20px;flex:0 0 auto;transition:transform .22s ease}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand);border-radius:2px}
.faq-icon::before{left:50%;top:3px;width:2px;height:14px;transform:translateX(-50%)}
.faq-icon::after{top:50%;left:3px;height:2px;width:14px;transform:translateY(-50%)}
.faq[open] .faq-icon{transform:rotate(45deg)}
.faq-body{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--text-sub)}

/* ---------- CTA 横幅 ---------- */
.cta-band{
  position:relative;
  margin-top:72px;
  padding:36px 38px;
  border-radius:24px;
  border:1px solid var(--glass-border);
  background:linear-gradient(135deg,rgba(46,230,192,.10),rgba(255,122,69,.07)),var(--glass);
  backdrop-filter:blur(14px);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  overflow:hidden;
  box-shadow:var(--shadow-card);
}
.cta-band::after{
  content:"";
  position:absolute;inset:0;
  pointer-events:none;
  opacity:.5;
  background-image:radial-gradient(circle at 50% 50%,transparent 11px,rgba(255,255,255,.03) 12px,transparent 13px);
  background-size:24px 24px;
}
.cta-band h2{font-size:clamp(21px,2vw,26px);font-weight:700;line-height:1.35}
.cta-band p{margin-top:8px;font-size:15px;line-height:1.8;color:var(--text-sub);max-width:52ch}
.cta-band .btn{position:relative;z-index:1;flex:0 0 auto}
.back-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}

/* ---------- 页脚 ---------- */
.site-footer{
  flex-shrink:0;
  margin-top:96px;
  padding:64px 0 28px;
  border-top:1px solid var(--line);
  background:rgba(7,16,24,.62);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-mark{width:40px;height:40px;border-radius:12px;font-size:18px}
.footer-brand-text{display:flex;flex-direction:column;line-height:1.35}
.footer-brand-text strong{font-size:15px;font-weight:700}
.footer-brand-text span{font-size:11px;letter-spacing:.12em;color:var(--text-mute)}
.footer-about{font-size:14px;line-height:1.85;color:var(--text-sub);max-width:34ch}
.footer-col h3{font-size:14px;font-weight:600;margin-bottom:16px;color:var(--text)}
.footer-links{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-links li{font-size:14px;color:var(--text-sub);line-height:1.7}
.footer-links a{color:var(--text-sub);transition:color .18s}
.footer-links a:hover{color:var(--brand)}
.footer-links a:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px}
.footer-note{font-size:14px;line-height:1.8;color:var(--text-sub)}
.footer-note a{color:var(--brand);border-bottom:1px solid rgba(46,230,192,.3);padding-bottom:1px}
.footer-note a:hover{color:#7CF5E0}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-mute);
}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;
  right:24px;
  bottom:24px;
  z-index:45;
  width:46px;height:46px;
  display:grid;place-items:center;
  border-radius:14px;
  border:1px solid var(--glass-border);
  background:rgba(10,26,31,.9);
  backdrop-filter:blur(12px);
  color:var(--brand);
  font-size:18px;
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:.24s ease;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:rgba(46,230,192,.14);border-color:rgba(46,230,192,.4)}
.to-top:focus-visible{outline:2px solid var(--brand);outline-offset:3px}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  :root{--sidebar-w:220px}
  .content-wrap{padding:0 32px}
  .cat-head-inner{grid-template-columns:1fr 260px;gap:28px}
}
@media (max-width:1023px){
  .side-nav{display:none}
  .mobile-bar{display:flex}
  .page{margin-left:0;padding-top:60px}
  .content-wrap{padding:0 24px}
  .section{padding:56px 0}
  .cat-head-inner{grid-template-columns:1fr;gap:26px;align-items:start}
  .mini-card{max-width:420px}
  .check-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{margin-top:56px}
}
@media (max-width:767px){
  body{font-size:16px}
  .row{grid-template-columns:1fr;gap:18px;padding:24px 0}
  .row-media{aspect-ratio:16/10}
  .check-list .num{font-size:22px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px 24px}
  .cta-band .btn{width:100%}
  .site-footer{margin-top:64px;padding:44px 0 24px}
}
@media (max-width:519px){
  .content-wrap{padding:0 16px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .head-actions .btn{width:100%}
  .back-actions .btn{width:100%}
  .faq summary{padding:17px 18px;font-size:16px}
  .faq-body{padding:0 18px 18px}
  .to-top{right:16px;bottom:16px}
}