/* roulang page: index */
:root{
  --bg-0:#05070E;
  --bg-1:#0A1020;
  --primary:#21E6C1;
  --primary-deep:#08A88E;
  --accent:#FF8A3D;
  --violet:#7C5CFF;
  --danger:#FF4D6D;
  --text-1:#EAF2FF;
  --text-2:#A9B6CE;
  --text-3:#6C7A94;
  --line:rgba(255,255,255,.08);
  --line-soft:rgba(255,255,255,.06);
  --glass:rgba(255,255,255,.04);
  --glass-strong:rgba(255,255,255,.07);
  --radius-lg:16px;
  --radius-md:12px;
  --radius-pill:999px;
  --shadow-card:0 18px 40px -18px rgba(0,0,0,.7), inset 0 1px 0 rgba(255,255,255,.05);
  --shadow-glow:0 0 28px rgba(33,230,193,.45);
  --ease:cubic-bezier(.2,.7,.3,1);
  --mono:"JetBrains Mono","DIN Alternate","SFMono-Regular",Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-2);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4{margin:0;color:var(--text-1);font-weight:700;letter-spacing:.6px;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
::selection{background:rgba(33,230,193,.28);color:#fff}

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

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:var(--radius-md);
  font-size:15px;font-weight:600;letter-spacing:.5px;line-height:1;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-deep) 100%);
  color:#04211C;
  box-shadow:0 10px 24px -12px rgba(33,230,193,.7), inset 0 2px 0 rgba(255,255,255,.34);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:var(--shadow-glow)}
.btn-primary:active{transform:translateY(0);filter:brightness(.96)}
.btn-outline{
  background:var(--glass);color:var(--text-1);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
}
.btn-outline:hover{border-color:rgba(33,230,193,.55);color:var(--primary);transform:translateY(-2px)}
.btn-ghost{background:none;color:var(--primary);padding:13px 8px}
.btn-ghost i{transition:transform .2s var(--ease)}
.btn-ghost:hover i{transform:translateX(5px)}
.btn-block{width:100%}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:var(--radius-pill);
  font-size:12.5px;line-height:1.5;border:1px solid rgba(33,230,193,.4);
  color:var(--primary);background:rgba(33,230,193,.07);
}
.badge-accent{border-color:rgba(255,138,61,.45);color:var(--accent);background:rgba(255,138,61,.09)}
.badge-violet{border-color:rgba(124,92,255,.5);color:#B7A6FF;background:rgba(124,92,255,.12)}
.badge-muted{border-color:var(--line);color:var(--text-3);background:rgba(255,255,255,.03)}
.dot{
  width:6px;height:6px;border-radius:50%;background:var(--primary);
  box-shadow:0 0 0 0 rgba(33,230,193,.6);animation:pulse 1.6s infinite;
}
.badge-accent .dot,.status-pill.accent .dot{background:var(--accent);box-shadow:0 0 0 0 rgba(255,138,61,.6)}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(33,230,193,.55)}
  70%{box-shadow:0 0 0 8px rgba(33,230,193,0)}
  100%{box-shadow:0 0 0 0 rgba(33,230,193,0)}
}
.status-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:var(--radius-pill);
  font-size:12.5px;color:var(--primary);
  background:rgba(33,230,193,.08);
  border:1px solid rgba(33,230,193,.32);
}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(5,7,14,.72);
  backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(5,7,14,.9);
  border-bottom-color:var(--line);
  box-shadow:0 12px 30px -22px rgba(0,0,0,.9);
}
.header-inner{
  display:flex;align-items:center;gap:26px;
  height:72px;transition:height .25s var(--ease);
}
.site-header.is-scrolled .header-inner{height:64px}
.logo{display:flex;align-items:center;gap:11px;flex-shrink:0}
.logo-mark{
  width:36px;height:36px;border-radius:11px;
  display:grid;place-items:center;
  font-weight:800;font-size:17px;color:#04211C;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  box-shadow:0 8px 18px -10px rgba(33,230,193,.9);
}
.logo-text{color:var(--text-1);font-size:17px;font-weight:700;letter-spacing:.8px}
.logo-text em{font-style:normal;color:var(--primary)}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  position:relative;padding:9px 14px;border-radius:10px;
  font-size:14.5px;color:var(--text-2);white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:linear-gradient(90deg,var(--primary),transparent);
  transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease);
}
.nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.04)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--primary)}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:11px;
  border:1px solid var(--line);background:var(--glass);color:var(--text-1);
  font-size:16px;
}
.nav-toggle:hover{border-color:rgba(33,230,193,.5);color:var(--primary)}
.drawer-cta{display:none}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:78px 0 90px;
  background:
    radial-gradient(900px 520px at 82% -6%, rgba(33,230,193,.14), transparent 62%),
    radial-gradient(760px 520px at -6% 22%, rgba(124,92,255,.16), transparent 60%),
    var(--bg-0);
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(234,242,255,.55) 1px, transparent 1px);
  background-size:34px 34px;
  opacity:.07;
  mask-image:radial-gradient(circle at 70% 30%, #000 0%, transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 70% 30%, #000 0%, transparent 72%);
}
.hero::after{
  content:"";position:absolute;top:-140px;right:-160px;width:620px;height:620px;
  background:conic-gradient(from 200deg, rgba(33,230,193,.22), rgba(124,92,255,.18), transparent 68%);
  filter:blur(28px);opacity:.35;pointer-events:none;
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}
.hero h1{
  font-size:clamp(30px,5vw,54px);line-height:1.12;font-weight:800;letter-spacing:1px;
}
.hero h1 span{
  background:linear-gradient(120deg,var(--primary) 0%,#9DFBE6 45%,var(--violet) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{margin-top:20px;font-size:17px;color:var(--text-2);max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:14px 34px;margin-top:38px;
  padding-top:26px;border-top:1px solid var(--line-soft);
}
.hero-stat b{
  display:block;font-family:var(--mono);font-size:23px;color:var(--text-1);letter-spacing:1px;
}
.hero-stat span{font-size:12.5px;color:var(--text-3)}
.hero-visual{position:relative}
.hero-shot{
  position:relative;border-radius:20px;overflow:hidden;
  border:1px solid var(--line);background:var(--glass);
  box-shadow:var(--shadow-card);
}
.hero-shot img{width:100%;aspect-ratio:4/3;object-fit:cover;opacity:.9}
.hero-shot::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,7,14,.05) 0%,rgba(5,7,14,.72) 100%);
}
.shot-caption{
  position:absolute;left:20px;right:20px;bottom:18px;z-index:3;
  display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-1);
}
.countdown-card{
  position:relative;margin-top:-52px;margin-left:22px;z-index:4;
  padding:18px 20px;border-radius:var(--radius-lg);
  background:rgba(10,16,32,.86);border:1px solid rgba(255,138,61,.3);
  backdrop-filter:blur(14px);box-shadow:var(--shadow-card);
  max-width:330px;
}
.countdown-card .cd-label{
  display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--accent);margin-bottom:10px;
}
.cd-row{display:flex;align-items:flex-end;gap:6px;font-family:var(--mono)}
.cd-cell{display:flex;flex-direction:column;align-items:center;gap:4px}
.cd-num{
  min-width:52px;padding:7px 6px;border-radius:10px;text-align:center;
  background:rgba(255,255,255,.06);border:1px solid var(--line);
  font-size:24px;font-weight:700;color:var(--text-1);letter-spacing:1px;
}
.cd-sep{font-size:20px;color:var(--text-3);padding-bottom:10px}
.cd-unit{font-size:11px;color:var(--text-3);letter-spacing:1px}
.cd-cell.sec .cd-num{animation:breathe 1.8s ease-in-out infinite}
@keyframes breathe{0%,100%{opacity:1}50%{opacity:.72}}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;border-top:1px solid var(--line-soft);position:relative}
.section-alt{background:linear-gradient(180deg,var(--bg-0),var(--bg-1) 55%,var(--bg-0))}
.section-head{max-width:760px;margin-bottom:44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;color:var(--primary);letter-spacing:2px;text-transform:uppercase;margin-bottom:14px;
}
.section h2{
  font-size:clamp(24px,3.2vw,36px);line-height:1.25;position:relative;padding-left:18px;
}
.section h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:3px;
  background:linear-gradient(180deg,var(--primary),var(--primary-deep));
}
.section-head.center h2{padding-left:0}
.section-head.center h2::before{display:none}
.section-desc{margin-top:16px;color:var(--text-2);font-size:15.5px}

/* ---------- 卡片 ---------- */
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.glass-card{
  position:relative;overflow:hidden;
  padding:26px;border-radius:var(--radius-lg);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px);box-shadow:var(--shadow-card);
  transition:transform .25s var(--ease),border-color .25s var(--ease);
}
.glass-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(33,230,193,.85),transparent);
  opacity:0;transition:opacity .25s var(--ease);
}
.glass-card:hover{transform:translateY(-4px);border-color:rgba(33,230,193,.35)}
.glass-card:hover::before{opacity:1}
.card-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  font-size:19px;color:var(--primary);background:rgba(33,230,193,.1);
  border:1px solid rgba(33,230,193,.25);margin-bottom:18px;
}
.card-icon.violet{color:#B7A6FF;background:rgba(124,92,255,.14);border-color:rgba(124,92,255,.3)}
.card-icon.accent{color:var(--accent);background:rgba(255,138,61,.12);border-color:rgba(255,138,61,.3)}
.glass-card h3{font-size:19px;margin-bottom:10px}
.glass-card p{font-size:14.5px;color:var(--text-2)}

/* ---------- 阶梯 ---------- */
.ladder{
  display:grid;grid-template-columns:repeat(5,1fr);gap:18px;position:relative;
}
.ladder-step{
  position:relative;padding:24px 20px;border-radius:var(--radius-lg);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px);transition:transform .25s var(--ease),border-color .25s var(--ease);
}
.ladder-step:hover{transform:translateY(-4px);border-color:rgba(33,230,193,.35)}
.ladder-step::after{
  content:"";position:absolute;top:50%;right:-18px;width:18px;height:2px;
  background:linear-gradient(90deg,rgba(33,230,193,.75),rgba(33,230,193,0));
}
.ladder-step:last-child::after{display:none}
.ladder-num{
  font-family:var(--mono);font-size:13px;color:var(--primary);
  letter-spacing:2px;margin-bottom:12px;
}
.ladder-step h3{font-size:17px;margin-bottom:10px}
.ladder-cond{font-size:13px;color:var(--text-3);margin-bottom:14px;min-height:44px}
.ladder-benefit{
  font-size:13.5px;color:var(--text-2);padding-top:14px;border-top:1px dashed var(--line);
}

/* ---------- 对比 ---------- */
.compare-wrap{overflow-x:auto;padding-bottom:8px;-webkit-overflow-scrolling:touch}
.compare{
  display:grid;grid-template-columns:1.25fr repeat(3,1fr);
  min-width:780px;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--glass);
}
.compare-cell{
  padding:18px 20px;font-size:14.5px;color:var(--text-2);
  border-bottom:1px solid var(--line-soft);border-right:1px solid var(--line-soft);
}
.compare-cell:nth-child(4n){border-right:0}
.compare-head{
  background:rgba(255,255,255,.05);color:var(--text-1);font-weight:700;font-size:15px;
  position:relative;
}
.compare-head.recommend{
  background:linear-gradient(180deg,rgba(33,230,193,.16),rgba(33,230,193,.05));
  color:var(--primary);
}
.compare-head .rec{
  position:absolute;top:10px;right:12px;font-size:11px;font-weight:600;
  padding:3px 9px;border-radius:var(--radius-pill);
  background:var(--accent);color:#2A1403;letter-spacing:.5px;
}
.compare-group{
  grid-column:1 / -1;background:rgba(124,92,255,.08);
  font-size:13px;letter-spacing:1.4px;color:#B7A6FF;
  border-right:0;
}
.compare-cell i.fa-check{color:var(--primary);margin-right:8px}
.compare-cell .dash{color:var(--text-3)}

/* ---------- 限时入口 ---------- */
.flash-panel{
  position:relative;overflow:hidden;border-radius:20px;
  padding:52px 48px;border:1px solid rgba(255,138,61,.28);
  background:
    radial-gradient(680px 320px at 12% 0%, rgba(255,138,61,.16), transparent 60%),
    radial-gradient(520px 320px at 92% 100%, rgba(33,230,193,.14), transparent 62%),
    rgba(10,16,32,.9);
  box-shadow:var(--shadow-card);
}
.flash-panel::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(180deg,rgba(255,255,255,.05) 0 1px,transparent 1px 6px);
  opacity:.35;
}
.flash-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.2fr .8fr;gap:44px;align-items:center}
.flash-panel h2{font-size:clamp(23px,3vw,32px);padding-left:0}
.flash-panel h2::before{display:none}
.flash-big-cd{
  display:flex;gap:10px;font-family:var(--mono);margin:26px 0 8px;flex-wrap:wrap;
}
.flash-big-cd .cd-num{min-width:64px;font-size:30px;background:rgba(255,255,255,.07)}
.flash-points{display:grid;gap:10px;margin:22px 0 6px}
.flash-points li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2)}
.flash-points i{color:var(--primary);margin-top:6px}
.flash-side{
  padding:26px;border-radius:var(--radius-lg);
  background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(14px);
}
.flash-side h3{font-size:18px;margin-bottom:14px}
.flash-side ul{display:grid;gap:12px}
.flash-side li{font-size:14px;color:var(--text-2);display:flex;gap:10px}
.flash-side li b{color:var(--primary);font-family:var(--mono)}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.step-item{
  position:relative;padding:26px 22px;border-radius:var(--radius-lg);
  background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(14px);
  transition:transform .25s var(--ease),border-color .25s var(--ease);
}
.step-item:hover{transform:translateY(-4px);border-color:rgba(33,230,193,.35)}
.step-item::before{
  counter-increment:step;content:"0" counter(step);
  display:block;font-family:var(--mono);font-size:22px;font-weight:700;
  color:rgba(33,230,193,.7);margin-bottom:14px;letter-spacing:1px;
}
.step-item h3{font-size:17px;margin-bottom:8px}
.step-item p{font-size:14px}

/* ---------- 资讯列表（CMS） ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);
  transition:transform .25s var(--ease),border-color .25s var(--ease);
}
.news-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;z-index:3;
  background:linear-gradient(90deg,transparent,rgba(33,230,193,.85),transparent);
  opacity:0;transition:opacity .25s var(--ease);
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(33,230,193,.35)}
.news-card:hover::before{opacity:1}
.news-card__link{display:block;height:100%}
.news-card__cover{
  position:relative;aspect-ratio:16/9;overflow:hidden;background:rgba(255,255,255,.05);
}
.news-card__cover img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.news-card:hover .news-card__cover img{transform:scale(1.05)}
.news-card__body{padding:20px 22px 24px}
.news-card__body h3{
  font-size:17px;margin:12px 0 10px;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__body p{
  font-size:14px;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;gap:14px;margin-top:16px;padding-top:14px;
  border-top:1px solid var(--line-soft);font-size:12.5px;color:var(--text-3);
}
.news-meta .read{margin-left:auto;color:var(--primary)}
.empty-state{
  padding:60px 24px;text-align:center;border-radius:var(--radius-lg);
  border:1px dashed var(--line);background:rgba(255,255,255,.02);
}
.empty-state i{font-size:26px;color:var(--text-3);display:block;margin-bottom:14px}
.empty-state p{font-size:15px;color:var(--text-3)}

/* ---------- 数据与评价 ---------- */
.metric-row{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.metric{
  padding:28px 24px;border-radius:var(--radius-lg);
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  border:1px solid var(--line);
}
.metric b{display:block;font-family:var(--mono);font-size:30px;color:var(--primary);letter-spacing:1px}
.metric span{display:block;margin-top:8px;font-size:13.5px;color:var(--text-3)}
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:24px}
.quote{
  padding:24px;border-radius:var(--radius-lg);background:var(--glass);
  border:1px solid var(--line);backdrop-filter:blur(14px);
}
.quote p{font-size:14.5px;color:var(--text-2)}
.quote footer{margin-top:16px;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3)}
.avatar{
  width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
  font-size:13px;font-weight:700;color:#04211C;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
}

/* ---------- 表单 ---------- */
.form-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:start}
.form-panel{
  padding:30px;border-radius:var(--radius-lg);
  background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);
}
.field{margin-bottom:20px}
.field label{display:block;font-size:13.5px;color:var(--text-1);margin-bottom:9px;letter-spacing:.5px}
.field label span{color:var(--danger)}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;border-radius:var(--radius-md);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  color:var(--text-1);font-size:14.5px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{min-height:118px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:rgba(33,230,193,.65);
  box-shadow:0 0 0 4px rgba(33,230,193,.12);
}
.field-error{display:none;margin-top:8px;font-size:12.5px;color:var(--danger)}
.field.has-error input,.field.has-error textarea{border-color:rgba(255,77,109,.7)}
.field.has-error .field-error{display:block}
.form-note{margin-top:14px;font-size:12.5px;color:var(--text-3)}
.form-status{
  display:none;margin-top:16px;padding:12px 15px;border-radius:var(--radius-md);
  font-size:13.5px;background:rgba(33,230,193,.1);
  border:1px solid rgba(33,230,193,.35);color:var(--primary);
}
.form-status.show{display:block}
.contact-list{display:grid;gap:18px;margin-top:28px}
.contact-item{display:flex;gap:14px;align-items:flex-start}
.contact-item i{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;flex-shrink:0;
  color:var(--primary);background:rgba(33,230,193,.1);border:1px solid rgba(33,230,193,.25);
}
.contact-item b{display:block;color:var(--text-1);font-size:15px;font-weight:600}
.contact-item span{font-size:13.5px;color:var(--text-3)}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;margin:0 auto;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);background:var(--glass)}
.faq-item{border-bottom:1px solid var(--line-soft)}
.faq-item:last-child{border-bottom:0}
.faq-item summary{
  display:flex;align-items:center;gap:16px;padding:22px 26px;
  cursor:pointer;font-size:16px;font-weight:600;color:var(--text-1);
  list-style:none;transition:background .2s var(--ease),color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";margin-left:auto;font-size:20px;color:var(--primary);
  transition:transform .25s var(--ease);line-height:1;
}
.faq-item[open] summary{color:var(--primary);background:rgba(33,230,193,.05)}
.faq-item[open] summary::after{content:"–"}
.faq-item summary:hover{background:rgba(255,255,255,.04)}
.faq-answer{padding:0 26px 24px;font-size:14.5px;color:var(--text-2);line-height:1.85}
.faq-answer strong{color:var(--text-1)}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:20px;padding:54px 48px;
  background:
    radial-gradient(600px 300px at 8% 0%, rgba(33,230,193,.2), transparent 62%),
    radial-gradient(560px 320px at 96% 100%, rgba(124,92,255,.22), transparent 60%),
    rgba(10,16,32,.92);
  border:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;gap:28px;justify-content:space-between;
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.08;
  background-image:radial-gradient(rgba(234,242,255,.9) 1px, transparent 1px);
  background-size:30px 30px;
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);padding-left:0;position:relative;z-index:2}
.cta-band h2::before{display:none}
.cta-band p{position:relative;z-index:2;margin-top:12px;font-size:14.5px}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:0;padding:70px 0 0;border-top:1px solid var(--line);
  background:linear-gradient(180deg,var(--bg-0),#03050B);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .logo{margin-bottom:18px}
.footer-brand p{font-size:14px;color:var(--text-3);max-width:330px}
.footer-col h4{font-size:14.5px;color:var(--text-1);margin-bottom:18px;letter-spacing:1px}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:14px;color:var(--text-3)}
.footer-col a:hover{color:var(--primary)}
.footer-contact li{font-size:13.5px;color:var(--text-3);display:flex;gap:10px}
.footer-contact i{color:var(--primary);margin-top:6px}
.footer-bottom{
  margin-top:54px;padding:22px 0;border-top:1px solid var(--line-soft);
  display:flex;flex-wrap:wrap;gap:12px 26px;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}
.footer-bottom a:hover{color:var(--primary)}

/* ---------- 移动抽屉 ---------- */
@media (max-width:900px){
  .status-pill{display:none}
  .logo-text{font-size:15.5px}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .section{padding:64px 0}
  .hero{padding:56px 0 70px}
  .nav-toggle{display:grid;place-items:center}
  .header-actions .btn-primary{display:none}
  .main-nav{
    position:fixed;top:0;left:0;right:0;bottom:0;
    flex-direction:column;align-items:stretch;gap:6px;
    margin:0;padding:88px 20px 28px;z-index:90;
    background:rgba(5,7,14,.97);backdrop-filter:blur(18px);
    opacity:0;transform:translateY(-10px);pointer-events:none;
    transition:opacity .25s var(--ease),transform .25s var(--ease);
    overflow-y:auto;
  }
  .main-nav.is-open{opacity:1;transform:none;pointer-events:auto}
  .nav-link{padding:16px 14px;font-size:16.5px;border-bottom:1px solid var(--line-soft);border-radius:0}
  .nav-link::after{display:none}
  .drawer-cta{display:block;margin-top:22px;padding:0}
  .drawer-cta .btn{width:100%}
  .nav-toggle{position:relative;z-index:95}
  .hero-inner{grid-template-columns:1fr;gap:38px}
  .hero-sub{font-size:15.5px}
  .hero-stats{gap:14px 24px}
  .countdown-card{margin-left:0;margin-top:-40px;max-width:100%}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .ladder{grid-template-columns:1fr;gap:14px}
  .ladder-step::after{
    top:auto;bottom:-14px;left:50%;right:auto;width:2px;height:14px;
    background:linear-gradient(180deg,rgba(33,230,193,.75),rgba(33,230,193,0));
  }
  .steps{grid-template-columns:repeat(2,1fr)}
  .metric-row{grid-template-columns:repeat(2,1fr)}
  .quote-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr;gap:34px}
  .flash-inner{grid-template-columns:1fr;gap:30px}
  .flash-panel{padding:36px 24px}
  .cta-band{padding:36px 24px;flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:520px){
  body{font-size:15px}
  .hero h1{font-size:30px}
  .grid-3,.grid-4,.news-grid,.steps,.metric-row{grid-template-columns:1fr}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn{width:100%}
  .btn{padding:14px 20px}
  .cd-num{min-width:44px;font-size:20px}
  .flash-big-cd .cd-num{min-width:52px;font-size:24px}
  .footer-grid{grid-template-columns:1fr}
  .compare-cell{padding:15px 16px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
  --bg-0:#05070E;
  --bg-1:#0A1020;
  --primary:#21E6C1;
  --primary-deep:#08A88E;
  --accent:#FF8A3D;
  --violet:#7C5CFF;
  --danger:#FF4D6D;
  --text-1:#EAF2FF;
  --text-2:#A9B6CE;
  --text-3:#6C7A94;
  --glass:rgba(255,255,255,.04);
  --glass-2:rgba(255,255,255,.07);
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:10px;
  --shadow-card:0 18px 40px -18px rgba(0,0,0,.7);
  --shadow-glow:0 0 28px rgba(33,230,193,.45);
  --container:1200px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-mono:"JetBrains Mono","SFMono-Regular",ui-monospace,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-2);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.2px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(70% 55% at 12% -8%,rgba(33,230,193,.12),transparent 62%),
    radial-gradient(60% 50% at 92% 4%,rgba(124,92,255,.12),transparent 60%);
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease)}
a:hover{color:var(--primary)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--text-1);font-weight:700;letter-spacing:.6px;line-height:1.3}
p{margin:0}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
input,textarea,select{font:inherit;color:inherit}
: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;position:relative;z-index:1}
.section{padding:88px 0;position:relative}
.section + .section{border-top:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:40px}
.section-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:1.4px;color:var(--primary);
  background:rgba(33,230,193,.08);
  border:1px solid rgba(33,230,193,.28);
  padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.section-head h2{font-size:clamp(24px,3.2vw,36px);font-weight:700}
.section-head h2::before{
  content:"";display:inline-block;width:4px;height:.92em;border-radius:4px;
  background:linear-gradient(180deg,var(--primary),var(--primary-deep));
  margin-right:14px;vertical-align:-.08em;
}
.section-head p{margin-top:14px;color:var(--text-2);font-size:15.5px;max-width:680px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:var(--radius-md);
  font-size:15px;font-weight:600;letter-spacing:.4px;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  color:#03231C;
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-deep) 100%);
  box-shadow:0 10px 26px -14px rgba(33,230,193,.85),inset 0 2px 0 rgba(255,255,255,.35);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:var(--shadow-glow);color:#03231C}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{
  color:var(--text-1);border-color:var(--line-strong);background:var(--glass);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.btn-ghost:hover{border-color:rgba(33,230,193,.55);color:var(--primary);transform:translateY(-2px)}
.btn-link{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-weight:600;font-size:14.5px;padding:6px 0}
.btn-link i{transition:transform .2s var(--ease)}
.btn-link:hover i{transform:translateX(4px)}
.btn-block{width:100%}

/* ---------- 徽章 ---------- */
.status-pill{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;color:var(--text-2);
  padding:7px 14px;border-radius:999px;
  border:1px solid rgba(33,230,193,.3);
  background:rgba(33,230,193,.07);
}
.status-pill .dot{
  width:7px;height:7px;border-radius:50%;background:var(--primary);
  box-shadow:0 0 0 0 rgba(33,230,193,.6);
  animation:pulse 1.8s infinite;
}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;color:var(--text-2);
  padding:5px 12px;border-radius:999px;
  background:var(--glass-2);border:1px solid var(--line);
}
.tag-accent{color:var(--accent);border-color:rgba(255,138,61,.35);background:rgba(255,138,61,.08)}
.tag-violet{color:#B7A5FF;border-color:rgba(124,92,255,.35);background:rgba(124,92,255,.1)}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(33,230,193,.55)}
  70%{box-shadow:0 0 0 9px rgba(33,230,193,0)}
  100%{box-shadow:0 0 0 0 rgba(33,230,193,0)}
}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(5,7,14,.72);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid transparent;
  transition:background-color .25s var(--ease),border-color .25s var(--ease),height .25s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(6,10,20,.9);
  border-bottom-color:var(--line);
  box-shadow:0 16px 34px -26px rgba(0,0,0,.95);
}
.header-inner{display:flex;align-items:center;gap:24px;height:72px;transition:height .25s var(--ease)}
.site-header.is-scrolled .header-inner{height:64px}
.logo{display:flex;align-items:center;gap:11px;flex-shrink:0}
.logo-mark{
  width:38px;height:38px;border-radius:11px;flex-shrink:0;
  display:grid;place-items:center;
  font-size:19px;font-weight:800;color:#03231C;
  background:linear-gradient(135deg,var(--primary),var(--violet));
  box-shadow:0 0 20px rgba(33,230,193,.35);
}
.logo-text{font-size:17px;font-weight:700;color:var(--text-1);letter-spacing:.8px;white-space:nowrap}
.logo-text em{font-style:normal;color:var(--primary);margin-left:2px}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  position:relative;padding:9px 14px;border-radius:10px;
  font-size:14.5px;color:var(--text-2);
}
.nav-link:hover{color:var(--text-1);background:var(--glass-2)}
.nav-link.is-active{color:var(--primary);background:rgba(33,230,193,.1)}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),transparent);
}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:auto}
.main-nav + .header-actions{margin-left:10px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:11px;
  border:1px solid var(--line);background:var(--glass);
  color:var(--text-1);font-size:17px;
}
.drawer-cta{display:none}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;padding:52px 0 44px;overflow:hidden;
  border-bottom:1px solid var(--line);
}
.article-hero::before{
  content:"";position:absolute;inset:0;z-index:0;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity:.16;
}
.article-hero::after{
  content:"";position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(110% 90% at 12% 0%,rgba(33,230,193,.2),transparent 60%),
    linear-gradient(180deg,rgba(5,7,14,.55),rgba(5,7,14,.96));
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:20px}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li + li::before{content:"/";color:var(--text-3);opacity:.6}
.crumb a{color:var(--text-2)}
.crumb [aria-current="page"]{color:var(--text-1);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-hero h1{
  font-size:clamp(28px,4.4vw,46px);
  line-height:1.2;font-weight:800;letter-spacing:.6px;max-width:920px;
}
.article-hero .lead{margin-top:18px;max-width:760px;font-size:16px;color:var(--text-2)}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px 20px;margin-top:26px;font-size:13.5px;color:var(--text-3)}
.meta-row .meta-item{display:inline-flex;align-items:center;gap:7px}
.meta-row i{color:var(--primary)}
.meta-row time{font-family:var(--font-mono);letter-spacing:.5px;color:var(--text-2)}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}

/* ---------- 正文 ---------- */
.article-main{padding:64px 0 88px;position:relative}
.article-body{max-width:820px;margin:0 auto;font-size:16px;line-height:1.9;color:var(--text-2)}
.article-body > * + *{margin-top:18px}
.article-body h2{
  position:relative;margin-top:44px;padding-left:16px;
  font-size:clamp(21px,2.4vw,27px);color:var(--text-1);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.14em;bottom:.14em;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--primary),var(--primary-deep));
}
.article-body h3{margin-top:32px;font-size:20px;color:var(--text-1)}
.article-body h4{margin-top:24px;font-size:17px;color:var(--text-1)}
.article-body a{color:var(--primary);border-bottom:1px dashed rgba(33,230,193,.45)}
.article-body strong{color:var(--text-1)}
.article-body ul,.article-body ol{margin-top:18px;padding-left:0;display:grid;gap:12px}
.article-body ul li,.article-body ol li{position:relative;padding-left:26px}
.article-body ul li::before{
  content:"";position:absolute;left:6px;top:.72em;width:8px;height:8px;border-radius:3px;
  background:linear-gradient(135deg,var(--primary),var(--violet));
}
.article-body ol{counter-reset:item}
.article-body ol li::before{
  counter-increment:item;content:counter(item);
  position:absolute;left:0;top:.35em;width:20px;height:20px;border-radius:6px;
  display:grid;place-items:center;font-size:12px;font-weight:700;color:#03231C;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
}
.article-body blockquote{
  margin-top:26px;padding:20px 24px;border-left:3px solid var(--primary);
  border-radius:0 var(--radius-md) var(--radius-md) 0;
  background:var(--glass);backdrop-filter:blur(14px);
  color:var(--text-1);font-size:15.5px;
}
.article-body blockquote p + p{margin-top:12px}
.article-body img{border-radius:var(--radius-md);margin-top:22px;width:100%;height:auto}
.article-body figure{margin:26px 0 0}
.article-body figcaption{margin-top:10px;font-size:13px;color:var(--text-3);text-align:center}
.article-body table{width:100%;border-collapse:collapse;margin-top:24px;font-size:14.5px;display:block;overflow-x:auto}
.article-body th,.article-body td{padding:12px 14px;border:1px solid var(--line);text-align:left}
.article-body th{background:var(--glass-2);color:var(--text-1);font-weight:600;white-space:nowrap}
.article-body hr{margin:36px 0;border:0;border-top:1px solid var(--line)}
.article-body code{
  font-family:var(--font-mono);font-size:13.5px;color:var(--primary);
  background:rgba(33,230,193,.08);padding:2px 7px;border-radius:6px;
}
.empty-state{
  max-width:820px;margin:0 auto;text-align:center;
  padding:56px 28px;border-radius:var(--radius-lg);
  background:var(--glass);border:1px solid var(--line);box-shadow:var(--shadow-card);
}
.empty-state i{font-size:34px;color:var(--primary);opacity:.8}
.empty-state h2{margin-top:18px;font-size:22px}
.empty-state p{margin-top:12px;color:var(--text-3)}
.empty-state .btn{margin-top:24px}

/* ---------- 阅读尾注 ---------- */
.article-footnote{
  max-width:820px;margin:40px auto 0;padding:20px 24px;
  border-radius:var(--radius-md);border:1px solid var(--line);
  background:var(--glass);font-size:13.5px;color:var(--text-3);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
}
.article-footnote .tag-list{margin:0}

/* ---------- 卡片通用 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);border:1px solid var(--line);
  background:var(--glass);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.05);
  transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(33,230,193,.75),transparent);
  opacity:0;transition:opacity .22s var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:rgba(33,230,193,.35)}
.card:hover::before{opacity:1}
.post-card{display:flex;flex-direction:column}
.post-thumb{
  position:relative;aspect-ratio:16/9;overflow:hidden;
  background:linear-gradient(135deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.post-card:hover .post-thumb img{transform:scale(1.05)}
.post-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.post-body h3{font-size:18px;line-height:1.45}
.post-body p{font-size:14.5px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{display:flex;align-items:center;justify-content:space-between;margin-top:auto;font-size:12.5px;color:var(--text-3)}
.post-meta time{font-family:var(--font-mono)}

/* ---------- 评价 ---------- */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.review-card{padding:26px 24px;display:flex;flex-direction:column;gap:16px}
.review-card .quote{font-size:15px;color:var(--text-2);line-height:1.85}
.review-card .stars{color:var(--accent);font-size:13px;letter-spacing:2px}
.review-card footer{display:flex;align-items:center;gap:11px;margin-top:auto;font-size:13px;color:var(--text-3)}
.review-card .avatar{
  width:36px;height:36px;border-radius:50%;display:grid;place-items:center;
  font-size:14px;font-weight:700;color:#04121A;
  background:linear-gradient(135deg,var(--primary),var(--violet));
}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 4px;font-size:16.5px;font-weight:600;color:var(--text-1);
  cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex-shrink:0;width:28px;height:28px;border-radius:9px;
  display:grid;place-items:center;font-size:17px;color:var(--primary);
  border:1px solid rgba(33,230,193,.3);background:rgba(33,230,193,.07);
  transition:transform .2s var(--ease);
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg)}
.faq-item .faq-body{padding:0 4px 24px;font-size:15px;line-height:1.85;color:var(--text-2);max-width:780px}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:20px;border:1px solid rgba(33,230,193,.28);
  background:
    radial-gradient(90% 130% at 8% 0%,rgba(33,230,193,.2),transparent 58%),
    radial-gradient(70% 120% at 100% 100%,rgba(124,92,255,.22),transparent 60%),
    rgba(10,16,32,.86);
  padding:52px 48px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
}
.cta-band::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:52px 52px;opacity:.35;
  mask-image:linear-gradient(120deg,#000,transparent 72%);
  -webkit-mask-image:linear-gradient(120deg,#000,transparent 72%);
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{font-size:clamp(22px,2.8vw,30px)}
.cta-band p{margin-top:12px;max-width:560px;color:var(--text-2);font-size:15px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:0;border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(10,16,32,.6),rgba(5,7,14,.98));
  padding:64px 0 0;position:relative;z-index:1;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand p{margin-top:16px;font-size:14px;color:var(--text-3);line-height:1.85;max-width:320px}
.footer-title{font-size:14px;color:var(--text-1);font-weight:600;letter-spacing:1px;margin-bottom:18px}
.footer-links{display:grid;gap:12px;font-size:14px}
.footer-links a{color:var(--text-2)}
.footer-links a:hover{color:var(--primary)}
.footer-contact{display:grid;gap:14px;font-size:14px;color:var(--text-2)}
.footer-contact .row{display:flex;align-items:center;gap:10px}
.footer-contact i{color:var(--primary);width:16px}
.footer-bottom{
  margin-top:52px;border-top:1px solid var(--line);padding:22px 0;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--text-3);
}
.footer-bottom span:last-child{font-family:var(--font-mono);letter-spacing:.6px}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 22px}
  .grid-3,.review-grid{gap:20px}
}
@media (max-width:1023px){
  .section{padding:68px 0}
  .grid-3,.review-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .cta-band{padding:44px 34px}
}
@media (max-width:900px){
  .nav-toggle{display:grid;place-items:center}
  .header-actions .btn-primary{display:none}
  .main-nav{
    position:fixed;left:0;right:0;top:0;bottom:0;z-index:90;
    flex-direction:column;align-items:stretch;gap:6px;
    padding:96px 24px 32px;
    background:rgba(6,10,20,.96);
    backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
    transform:translateX(102%);
    transition:transform .3s var(--ease);
    overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0)}
  .nav-link{padding:15px 16px;font-size:16px;border-radius:12px;border:1px solid transparent}
  .nav-link.is-active{border-color:rgba(33,230,193,.3)}
  .nav-link.is-active::after{display:none}
  .drawer-cta{display:block;margin-top:auto;padding-top:24px}
  .site-header.nav-open .nav-toggle{position:relative;z-index:95}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .container{padding:0 16px}
  .section{padding:56px 0}
  .article-hero{padding:36px 0 32px}
  .article-main{padding:44px 0 64px}
  .grid-3,.review-grid{grid-template-columns:1fr}
  .logo-text{font-size:15.5px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .cta-band{padding:36px 22px;border-radius:16px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
  .article-footnote{flex-direction:column;align-items:flex-start}
  .crumb [aria-current="page"]{max-width:220px}
}
@media (max-width:479px){
  .article-hero h1{font-size:24px}
  .btn{padding:12px 18px;font-size:14.5px}
  .faq-item summary{font-size:15.5px}
  .status-pill{display:none}
  .logo-mark{width:34px;height:34px;font-size:17px;border-radius:10px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
:root{
  --bg-0:#05070E;
  --bg-1:#0A1020;
  --primary:#21E6C1;
  --primary-deep:#08A88E;
  --accent:#FF8A3D;
  --violet:#7C5CFF;
  --danger:#FF4D6D;
  --text-1:#EAF2FF;
  --text-2:#A9B6CE;
  --text-3:#6C7A94;
  --glass:rgba(255,255,255,.04);
  --glass-2:rgba(255,255,255,.07);
  --line:rgba(255,255,255,.08);
  --line-soft:rgba(255,255,255,.06);
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 18px 40px -18px rgba(0,0,0,.7);
  --container:1200px;
  --font:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",Segoe UI,sans-serif;
  --mono:"JetBrains Mono","DIN Alternate",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding-top:72px;
  background:var(--bg-0);
  color:var(--text-2);
  font-family:var(--font);
  font-size:15px;
  line-height:1.85;
  letter-spacing:.2px;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(900px 520px at 10% -10%, rgba(33,230,193,.10), transparent 60%),
    radial-gradient(760px 460px at 94% 2%, rgba(124,92,255,.10), transparent 62%),
    radial-gradient(680px 520px at 60% 108%, rgba(255,138,61,.06), transparent 65%);
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
button,input,textarea,select{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
::selection{background:rgba(33,230,193,.28);color:#fff}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.site-header,.main-nav,.drawer-cta,.page-banner,.anchor-nav,main,.site-footer{position:relative;z-index:2}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius-sm);
  font-size:14px;font-weight:600;letter-spacing:.5px;
  border:1px solid transparent;cursor:pointer;
  transition:all .2s var(--ease);white-space:nowrap;
}
.btn i{font-size:13px}
.btn-primary{
  color:#04140F;
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-deep) 100%);
  box-shadow:0 12px 26px -14px rgba(33,230,193,.7),inset 0 2px 0 rgba(255,255,255,.35);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 0 28px rgba(33,230,193,.45)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{
  color:var(--text-1);
  border-color:var(--line);
  background:var(--glass);
  backdrop-filter:blur(14px);
}
.btn-ghost:hover{border-color:rgba(33,230,193,.5);color:var(--primary);transform:translateY(-2px)}
.btn-block{width:100%}
.btn-text{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--primary);font-size:14px;font-weight:600;
  transition:gap .2s var(--ease),color .2s var(--ease);
}
.btn-text:hover{gap:14px;color:#5df3d6}

/* ---------- 徽章与标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 13px;border-radius:999px;
  font-size:12.5px;line-height:1.6;font-weight:500;
  border:1px solid var(--line);
  background:var(--glass);
  color:var(--text-2);
}
.badge i{font-size:11px;color:var(--primary)}
.badge-accent{border-color:rgba(255,138,61,.42);color:#FFC79B;background:rgba(255,138,61,.10)}
.badge-accent i{color:var(--accent)}
.badge-violet{border-color:rgba(124,92,255,.42);color:#C0B0FF;background:rgba(124,92,255,.10)}
.badge-violet i{color:var(--violet)}
.badge-muted{border-color:var(--line-soft);color:var(--text-3);background:rgba(255,255,255,.02)}
.dot{
  width:6px;height:6px;border-radius:50%;background:var(--primary);
  box-shadow:0 0 0 0 rgba(33,230,193,.55);
  animation:pulse 1.8s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(33,230,193,.5)}
  70%{box-shadow:0 0 0 8px rgba(33,230,193,0)}
  100%{box-shadow:0 0 0 0 rgba(33,230,193,0)}
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  height:72px;display:flex;align-items:center;
  border-bottom:1px solid transparent;
  transition:height .25s var(--ease),background .25s var(--ease),border-color .25s var(--ease);
}
.site-header.is-stuck{
  height:64px;
  background:rgba(5,7,14,.78);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.header-inner{display:flex;align-items:center;gap:24px}
.logo{display:flex;align-items:center;gap:11px;flex-shrink:0}
.logo-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:10px;
  display:grid;place-items:center;
  font-size:17px;font-weight:800;color:#04140F;
  background:linear-gradient(135deg,var(--primary),var(--violet));
  box-shadow:0 8px 20px -10px rgba(33,230,193,.9),inset 0 1px 0 rgba(255,255,255,.4);
}
.logo-text{font-size:17px;font-weight:800;color:var(--text-1);letter-spacing:.6px;white-space:nowrap}
.logo-text em{font-style:normal;color:var(--primary)}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:8px}
.nav-link{
  position:relative;padding:9px 13px;border-radius:10px;
  font-size:14px;color:var(--text-2);white-space:nowrap;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link:hover{color:var(--text-1);background:var(--glass)}
.nav-link.is-active{color:var(--primary);background:rgba(33,230,193,.09)}
.nav-link.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;
  border-radius:2px;background:linear-gradient(90deg,var(--primary),transparent);
}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:auto}
.status-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  font-size:12.5px;color:#B9F7EA;
  border:1px solid rgba(33,230,193,.32);
  background:rgba(33,230,193,.09);
  white-space:nowrap;
}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:11px;
  border:1px solid var(--line);background:var(--glass);
  color:var(--text-1);font-size:17px;
}
.drawer-cta{display:none}

/* ---------- 首屏横幅 ---------- */
.page-banner{
  position:relative;overflow:hidden;
  padding:72px 0 60px;
  border-bottom:1px solid var(--line-soft);
  background:linear-gradient(180deg,var(--bg-1) 0%,var(--bg-0) 100%);
}
.banner-art{
  position:absolute;inset:0;z-index:0;
  background-image:url(/assets/images/backpic/back-1.webp);
  background-size:cover;background-position:center right;
  opacity:.22;
}
.banner-grid{
  position:absolute;inset:0;z-index:1;pointer-events:none;opacity:.55;
  background-image:
    linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:68px 68px;
  -webkit-mask-image:radial-gradient(circle at 26% 40%,#000 0%,transparent 72%);
  mask-image:radial-gradient(circle at 26% 40%,#000 0%,transparent 72%);
}
.banner-inner{position:relative;z-index:3;max-width:800px}
.breadcrumb{margin-bottom:20px}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3)}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:var(--text-3);opacity:.6}
.breadcrumb a:hover{color:var(--primary)}
.page-banner h1{
  font-size:clamp(30px,5vw,54px);line-height:1.12;font-weight:800;
  color:var(--text-1);letter-spacing:.8px;margin-bottom:18px;
}
.page-banner h1 span{
  background:linear-gradient(120deg,var(--primary),#8ff5e0 55%,var(--violet));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.banner-sub{font-size:16px;color:var(--text-2);max-width:640px;margin-bottom:26px}
.banner-badges{display:flex;flex-wrap:wrap;gap:10px}
.banner-line{
  position:absolute;z-index:2;top:-20%;right:6%;width:2px;height:140%;
  background:linear-gradient(180deg,transparent,rgba(33,230,193,.55),transparent);
  transform:rotate(16deg);
}

/* ---------- 锚点导航 ---------- */
.anchor-nav{
  position:sticky;top:64px;z-index:60;
  background:rgba(10,16,32,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-soft);
}
.anchor-track{display:flex;gap:8px;overflow-x:auto;padding:11px 24px;scrollbar-width:none}
.anchor-track::-webkit-scrollbar{display:none}
.anchor-link{
  display:inline-flex;align-items:center;gap:7px;flex-shrink:0;
  padding:7px 15px;border-radius:999px;
  font-size:13px;color:var(--text-2);
  border:1px solid var(--line-soft);background:var(--glass);
  transition:all .2s var(--ease);
}
.anchor-link i{font-size:11px;color:var(--text-3)}
.anchor-link:hover{color:var(--text-1);border-color:rgba(33,230,193,.35)}
.anchor-link.is-current{
  color:var(--primary);border-color:rgba(33,230,193,.45);
  background:rgba(33,230,193,.11);
}
.anchor-link.is-current i{color:var(--primary)}

/* ---------- 板块基础 ---------- */
.section{padding:88px 0;border-bottom:1px solid var(--line-soft)}
.section:last-of-type{border-bottom:0}
.section-head{max-width:720px;margin-bottom:44px}
.section-head h2{
  position:relative;padding-left:16px;
  font-size:clamp(24px,3.2vw,36px);line-height:1.25;font-weight:700;
  color:var(--text-1);letter-spacing:.5px;margin-bottom:14px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--primary),var(--primary-deep));
  box-shadow:0 0 18px rgba(33,230,193,.5);
}
.section-head p{font-size:15px;color:var(--text-2)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;
  font-family:var(--mono);font-size:12px;letter-spacing:2px;text-transform:uppercase;
  color:var(--primary);
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--primary);opacity:.7}

/* ---------- 左右交替图文 ---------- */
.zig-list{display:flex;flex-direction:column}
.zig-row{
  display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,1fr);
  gap:52px;align-items:center;
  padding:44px 0;
  border-top:1px solid var(--line-soft);
}
.zig-row:first-child{border-top:0;padding-top:0}
.zig-row.reverse .zig-media{order:2}
.zig-media{
  position:relative;overflow:hidden;border-radius:var(--radius);
  border:1px solid var(--line);
  background:linear-gradient(135deg,rgba(255,255,255,.06),rgba(255,255,255,.01));
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.05);
}
.zig-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  background:rgba(255,255,255,.05);
  transition:transform .5s var(--ease),filter .5s var(--ease);
}
.zig-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 45%,rgba(5,7,14,.72) 100%);
  pointer-events:none;
}
.zig-row:hover .zig-media img{transform:scale(1.035);filter:saturate(1.08)}
.zig-media .media-tag{
  position:absolute;left:16px;bottom:14px;z-index:2;
  font-family:var(--mono);font-size:12px;letter-spacing:1.5px;color:#BFF6EA;
}
.zig-body{max-width:560px}
.step-no{
  display:inline-block;margin-bottom:14px;
  font-family:var(--mono);font-size:13px;letter-spacing:3px;
  color:var(--accent);padding:4px 12px;border-radius:8px;
  border:1px solid rgba(255,138,61,.35);background:rgba(255,138,61,.08);
}
.zig-body h3{font-size:21px;font-weight:600;color:var(--text-1);margin-bottom:12px;letter-spacing:.4px}
.zig-body p{font-size:15px;color:var(--text-2);margin-bottom:18px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.tag{
  padding:4px 12px;border-radius:999px;font-size:12.5px;
  color:var(--text-2);border:1px solid var(--line);background:var(--glass);
}
.tag:hover{border-color:rgba(33,230,193,.35);color:#BFF6EA}

/* ---------- 设备对照卡 ---------- */
.device-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.device-card{
  position:relative;padding:28px 24px;border-radius:var(--radius);
  border:1px solid var(--line);background:var(--glass);
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.05);
  transition:transform .25s var(--ease),border-color .25s var(--ease);
}
.device-card::before{
  content:"";position:absolute;left:24px;right:24px;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(33,230,193,.65),transparent);
  opacity:0;transition:opacity .25s var(--ease);
}
.device-card:hover{transform:translateY(-4px);border-color:rgba(33,230,193,.35)}
.device-card:hover::before{opacity:1}
.device-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  margin-bottom:18px;font-size:19px;color:var(--primary);
  border:1px solid rgba(33,230,193,.3);
  background:linear-gradient(135deg,rgba(33,230,193,.16),rgba(124,92,255,.12));
}
.device-card h3{font-size:19px;font-weight:600;color:var(--text-1);margin-bottom:10px}
.device-card p{font-size:14.5px;margin-bottom:16px}
.device-spec{display:flex;flex-direction:column;gap:9px;border-top:1px solid var(--line-soft);padding-top:16px}
.device-spec li{display:flex;gap:9px;font-size:13.5px;color:var(--text-2)}
.device-spec i{color:var(--primary);font-size:12px;margin-top:6px}

/* ---------- 排查清单 + 数据块 ---------- */
.check-wrap{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:32px;align-items:start}
.check-list{
  border-radius:var(--radius);border:1px solid var(--line);
  background:var(--glass);backdrop-filter:blur(14px);
  box-shadow:var(--shadow);overflow:hidden;
}
.check-item{
  display:flex;gap:18px;padding:22px 26px;
  border-bottom:1px solid var(--line-soft);
  transition:background .2s var(--ease);
}
.check-item:last-child{border-bottom:0}
.check-item:hover{background:rgba(255,255,255,.03)}
.check-num{
  flex:0 0 34px;height:34px;border-radius:10px;display:grid;place-items:center;
  font-family:var(--mono);font-size:13px;color:var(--primary);
  border:1px solid rgba(33,230,193,.28);background:rgba(33,230,193,.08);
}
.check-item h3{font-size:16.5px;font-weight:600;color:var(--text-1);margin-bottom:6px}
.check-item p{font-size:14px;color:var(--text-2)}
.side-panel{
  padding:28px 24px;border-radius:var(--radius);
  border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(33,230,193,.09),rgba(124,92,255,.07) 60%,transparent);
  backdrop-filter:blur(14px);box-shadow:var(--shadow);
}
.side-panel h3{font-size:18px;font-weight:600;color:var(--text-1);margin-bottom:18px}
.stat-list{display:flex;flex-direction:column;gap:16px;margin-bottom:22px}
.stat-item{display:flex;align-items:baseline;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--line-soft)}
.stat-item:last-child{border-bottom:0;padding-bottom:0}
.stat-num{
  font-family:var(--mono);font-size:26px;font-weight:700;color:var(--primary);
  letter-spacing:.5px;line-height:1;
}
.stat-label{font-size:13.5px;color:var(--text-2)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line-soft)}
.faq-item:first-child{border-top:1px solid var(--line-soft)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 4px;cursor:pointer;list-style:none;
  font-size:16.5px;font-weight:600;color:var(--text-1);
  transition:color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--primary)}
.faq-icon{
  flex:0 0 26px;height:26px;border-radius:8px;display:grid;place-items:center;
  font-size:12px;color:var(--primary);
  border:1px solid rgba(33,230,193,.3);background:rgba(33,230,193,.08);
  transition:transform .25s var(--ease);
}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-body{padding:0 44px 22px 4px;font-size:14.8px;line-height:1.8;color:var(--text-2)}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  margin:0 0 -1px;padding:72px 0;
  border-top:1px solid var(--line-soft);
  background:linear-gradient(120deg,rgba(33,230,193,.12),rgba(124,92,255,.10) 55%,rgba(5,7,14,0));
}
.cta-band::before{
  content:"";position:absolute;inset:0;opacity:.5;pointer-events:none;
  background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 1px,transparent 1px 26px);
  -webkit-mask-image:linear-gradient(90deg,#000,transparent 75%);
  mask-image:linear-gradient(90deg,#000,transparent 75%);
}
.cta-inner{
  position:relative;z-index:2;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
}
.cta-inner h2{font-size:clamp(22px,2.8vw,30px);font-weight:700;color:var(--text-1);margin-bottom:10px}
.cta-inner p{font-size:15px;color:var(--text-2);max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(10,16,32,.7),rgba(5,7,14,1))}
.footer-top{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:36px;
  padding:64px 0 44px;
}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;max-width:320px;margin-bottom:18px}
.footer-note{
  display:inline-flex;align-items:center;gap:10px;
  padding:8px 14px;border-radius:999px;
  font-size:12.5px;color:var(--text-2);
  border:1px solid var(--line);background:var(--glass);
}
.avatar{
  width:24px;height:24px;border-radius:50%;display:grid;place-items:center;
  font-size:12px;font-weight:700;color:#04140F;
  background:linear-gradient(135deg,var(--primary),var(--violet));
}
.footer-col h4{font-size:15px;font-weight:600;color:var(--text-1);margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a,.footer-col span{font-size:14px;color:var(--text-2);transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding:20px 24px 28px;border-top:1px solid var(--line-soft);
  font-size:13px;color:var(--text-3);
}
.footer-bottom .mono{font-family:var(--mono);letter-spacing:1px}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 22px}
  .zig-row{gap:40px}
  .header-inner{gap:16px}
  .nav-link{padding:9px 10px;font-size:13.5px}
}
@media (max-width:1023px){
  .nav-toggle{display:grid;place-items:center}
  .status-pill{display:none}
  .header-actions .btn-primary{display:none}
  .main-nav{
    position:fixed;top:0;right:0;height:100vh;width:min(320px,86vw);
    flex-direction:column;align-items:stretch;gap:6px;
    margin:0;padding:92px 20px 28px;
    background:rgba(5,7,14,.96);
    backdrop-filter:blur(18px);
    border-left:1px solid var(--line);
    transform:translateX(102%);
    transition:transform .3s var(--ease);
    z-index:130;overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0)}
  .nav-link{padding:14px 16px;font-size:15px;border-radius:12px}
  .nav-link.is-active::after{display:none}
  .drawer-cta{display:block;margin-top:24px}
  .device-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .check-wrap{grid-template-columns:minmax(0,1fr)}
  .footer-top{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
}
@media (max-width:767px){
  body{padding-top:64px;font-size:14.5px}
  .container{padding:0 16px}
  .site-header{height:64px}
  .logo-text{font-size:15.5px}
  .page-banner{padding:52px 0 44px}
  .banner-sub{font-size:15px}
  .anchor-nav{top:60px}
  .anchor-track{padding:10px 16px}
  .section{padding:64px 0}
  .section-head{margin-bottom:32px}
  .zig-row{grid-template-columns:minmax(0,1fr);gap:24px;padding:34px 0}
  .zig-row.reverse .zig-media{order:0}
  .zig-body{max-width:none}
  .device-grid{grid-template-columns:minmax(0,1fr)}
  .cta-band{padding:56px 0}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
  .faq-body{padding-right:12px}
  .footer-top{grid-template-columns:minmax(0,1fr);padding:48px 0 32px}
  .site-footer .container{padding:0 16px}
  .footer-bottom{flex-direction:column;align-items:flex-start;padding:20px 16px 26px}
}
@media (max-width:479px){
  .page-banner h1{font-size:29px}
  .logo-text em{display:none}
  .check-item{padding:18px 18px;gap:14px}
  .faq-item summary{font-size:15.5px}
  .stat-num{font-size:23px}
  .btn{padding:12px 18px;font-size:13.5px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
}

/* roulang page: category2 */
:root{
  --bg-0:#05070E;
  --bg-1:#0A1020;
  --primary:#21E6C1;
  --primary-deep:#08A88E;
  --accent:#FF8A3D;
  --violet:#7C5CFF;
  --danger:#FF4D6D;
  --text-1:#EAF2FF;
  --text-2:#A9B6CE;
  --text-3:#6C7A94;
  --glass:rgba(255,255,255,.04);
  --glass-2:rgba(255,255,255,.06);
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(33,230,193,.35);
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 18px 40px -18px rgba(0,0,0,.7);
  --container:1200px;
  --mono:"JetBrains Mono","SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text-2);
  background:var(--bg-0);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  background:
    radial-gradient(900px 520px at 12% -6%,rgba(33,230,193,.13),transparent 62%),
    radial-gradient(760px 460px at 92% 8%,rgba(124,92,255,.13),transparent 60%),
    linear-gradient(180deg,#05070E 0%,#0A1020 55%,#05070E 100%);
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
h1,h2,h3,h4{margin:0;color:var(--text-1);line-height:1.25;letter-spacing:.5px;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
::selection{background:rgba(33,230,193,.3);color:#fff}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:88px 0;border-top:1px solid var(--line)}
.section:first-of-type{border-top:0}
.section-head{max-width:760px;margin-bottom:40px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:2px;color:var(--primary);
  text-transform:uppercase;margin-bottom:14px;font-weight:600;
}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--primary),transparent)}
.section-head h2{font-size:clamp(24px,3.2vw,36px);margin-bottom:14px}
.section-head h2::after{
  content:"";display:block;width:44px;height:3px;border-radius:2px;margin-top:16px;
  background:linear-gradient(90deg,var(--primary),rgba(33,230,193,0));
}
.section-head p{font-size:15.5px;color:var(--text-2)}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(5,7,14,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{background:rgba(5,7,14,.94);box-shadow:0 12px 34px -22px rgba(0,0,0,.95)}
.header-inner{display:flex;align-items:center;gap:18px;height:72px;transition:height .25s ease}
.site-header.is-scrolled .header-inner{height:64px}
.logo{display:inline-flex;align-items:center;gap:11px;flex-shrink:0}
.logo-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  font-weight:800;font-size:19px;color:#04110E;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  box-shadow:0 0 24px rgba(33,230,193,.35),inset 0 1px 0 rgba(255,255,255,.4);
}
.logo-text{font-size:17.5px;font-weight:800;color:var(--text-1);letter-spacing:.5px;white-space:nowrap}
.logo-text em{font-style:normal;color:var(--primary)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:14px}
.nav-link{
  display:inline-block;padding:8px 14px;border-radius:10px;font-size:14.5px;
  color:var(--text-2);white-space:nowrap;transition:background .2s ease,color .2s ease;
}
.nav-link:hover{color:var(--text-1);background:var(--glass-2)}
.nav-link.is-active{color:var(--primary);background:rgba(33,230,193,.1)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.status-pill{
  display:inline-flex;align-items:center;gap:8px;padding:6px 13px;border-radius:999px;
  border:1px solid var(--line-strong);background:rgba(33,230,193,.07);
  color:var(--primary);font-size:12.5px;white-space:nowrap;
}
.dot{width:7px;height:7px;border-radius:50%;background:var(--primary);animation:pulse 1.6s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.72)}}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:var(--glass);color:var(--text-1);font-size:16px;
}
.drawer-cta{display:none}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 22px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;
  border:1px solid transparent;white-space:nowrap;
  transition:transform .2s cubic-bezier(.2,.7,.3,1),box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#03120F;box-shadow:inset 0 1px 0 rgba(255,255,255,.35),0 10px 26px -14px rgba(33,230,193,.8);
}
.btn-primary:hover{
  filter:brightness(1.08);transform:translateY(-2px);
  box-shadow:0 0 28px rgba(33,230,193,.45),inset 0 1px 0 rgba(255,255,255,.4);
}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{border-color:var(--line);background:var(--glass);color:var(--text-1)}
.btn-ghost:hover{border-color:var(--line-strong);color:var(--primary);transform:translateY(-2px)}
.btn-block{width:100%}
.btn .fa-solid{font-size:13px}

/* ============ banner ============ */
.page-banner{
  position:relative;overflow:hidden;
  padding:72px 0 68px;
  border-bottom:1px solid var(--line);
  background:
    linear-gradient(180deg,rgba(6,9,18,.86) 0%,rgba(6,9,18,.94) 60%,rgba(5,7,14,1) 100%),
    url("/assets/images/backpic/back-2.png") center/cover no-repeat;
}
.page-banner::after{
  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:56px 56px;
  opacity:.5;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.85),transparent 78%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.85),transparent 78%);
}
.banner-inner{position:relative;z-index:2;max-width:820px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px}
.crumb ol{display:flex;align-items:center;gap:8px}
.crumb li + li::before{content:"/";margin-right:8px;color:var(--text-3);opacity:.6}
.crumb a{color:var(--text-3);transition:color .2s ease}
.crumb a:hover{color:var(--primary)}
.crumb li[aria-current]{color:var(--text-2)}
.page-banner h1{font-size:clamp(30px,5vw,50px);font-weight:800;line-height:1.14;margin-bottom:18px}
.page-banner h1 em{font-style:normal;color:var(--primary)}
.banner-sub{font-size:16.5px;color:var(--text-2);max-width:640px}
.banner-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.badge{
  display:inline-flex;align-items:center;gap:7px;padding:6px 13px;border-radius:999px;
  font-size:12.5px;border:1px solid var(--line);background:var(--glass);color:var(--text-2);
}
.badge i{font-size:11px;color:var(--primary)}
.badge.is-accent{border-color:rgba(255,138,61,.4);background:rgba(255,138,61,.08);color:var(--accent)}
.badge.is-accent i{color:var(--accent)}
.badge.is-violet{border-color:rgba(124,92,255,.4);background:rgba(124,92,255,.09);color:#B9A6FF}
.badge.is-violet i{color:#B9A6FF}

/* ============ anchor nav ============ */
.anchor-nav{
  position:sticky;top:72px;z-index:80;
  background:rgba(5,7,14,.9);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.anchor-track{display:flex;gap:6px;overflow-x:auto;padding:12px 0;scrollbar-width:none}
.anchor-track::-webkit-scrollbar{display:none}
.anchor-link{
  flex:0 0 auto;padding:8px 16px;border-radius:999px;font-size:14px;color:var(--text-2);
  border:1px solid transparent;transition:all .2s ease;white-space:nowrap;
}
.anchor-link:hover{color:var(--text-1);background:var(--glass-2)}
.anchor-link.is-current{color:var(--primary);border-color:var(--line-strong);background:rgba(33,230,193,.09)}

/* ============ mosaic ============ */
.mosaic{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;grid-auto-rows:minmax(200px,auto)}
.m-card{
  position:relative;overflow:hidden;display:flex;flex-direction:column;
  padding:26px;border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--line);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.05);
  transition:transform .25s cubic-bezier(.2,.7,.3,1),border-color .25s ease,box-shadow .25s ease;
}
.m-card::before{
  content:"";position:absolute;top:0;left:20px;right:20px;height:1px;opacity:0;
  background:linear-gradient(90deg,transparent,rgba(33,230,193,.85),transparent);
  transition:opacity .25s ease;
}
.m-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 26px 50px -22px rgba(0,0,0,.9),inset 0 1px 0 rgba(255,255,255,.07)}
.m-card:hover::before{opacity:1}
.m-card h3{font-size:18px;margin-bottom:10px}
.m-card p{font-size:14.5px;line-height:1.8;color:var(--text-2)}
.m-card .card-foot{margin-top:auto;padding-top:18px;font-size:13.5px;color:var(--primary);display:inline-flex;align-items:center;gap:7px}
.m-card .card-foot i{transition:transform .2s ease}
.m-card:hover .card-foot i{transform:translateX(4px)}
.m-card.is-feature{grid-column:span 2;grid-row:span 2;padding:0;justify-content:flex-end}
.m-card.is-feature .feat-media{position:absolute;inset:0}
.m-card.is-feature .feat-media img{width:100%;height:100%;object-fit:cover}
.m-card.is-feature .feat-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,7,14,.15) 0%,rgba(5,7,14,.82) 58%,rgba(5,7,14,.97) 100%);
}
.m-card.is-feature .feat-body{position:relative;z-index:2;padding:28px}
.m-card.is-feature h3{font-size:clamp(20px,2.4vw,26px)}
.m-card.is-feature p{font-size:15px;max-width:520px}
.m-card.is-plain{
  background:
    radial-gradient(circle at 88% 12%,rgba(124,92,255,.16),transparent 58%),
    var(--glass);
}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:999px;
  font-size:12px;border:1px solid var(--line-strong);color:var(--primary);
  background:rgba(33,230,193,.08);margin-bottom:16px;width:fit-content;
}
.tag.is-accent{border-color:rgba(255,138,61,.4);color:var(--accent);background:rgba(255,138,61,.08)}
.tag.is-violet{border-color:rgba(124,92,255,.4);color:#B9A6FF;background:rgba(124,92,255,.09)}
.mcq{display:flex;flex-wrap:wrap;gap:7px;margin-top:16px}
.mcq span{
  padding:3px 10px;border-radius:8px;font-size:12px;color:var(--text-3);
  border:1px solid var(--line);background:rgba(255,255,255,.03);
}

/* ============ ladder ============ */
.ladder{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;position:relative}
.ladder::before{
  content:"";position:absolute;left:4%;right:4%;top:38px;height:2px;
  background:linear-gradient(90deg,rgba(33,230,193,.05),rgba(33,230,193,.6),rgba(124,92,255,.6),rgba(255,138,61,.45),rgba(255,138,61,.05));
}
.ladder-item{
  position:relative;padding:24px 20px 22px;border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.02));
  border:1px solid var(--line);box-shadow:var(--shadow);
  transition:transform .25s ease,border-color .25s ease;
}
.ladder-item:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.ladder-step{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;margin-bottom:16px;
  font-family:var(--mono);font-weight:700;font-size:14px;color:#04110E;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  box-shadow:0 0 22px rgba(33,230,193,.3);
}
.ladder-item:nth-child(3) .ladder-step{background:linear-gradient(135deg,#9F8BFF,var(--violet));color:#0B0620;box-shadow:0 0 22px rgba(124,92,255,.35)}
.ladder-item:nth-child(4) .ladder-step,
.ladder-item:nth-child(5) .ladder-step{background:linear-gradient(135deg,#FFB27A,var(--accent));color:#20100A;box-shadow:0 0 22px rgba(255,138,61,.3)}
.ladder-item h3{font-size:17px;margin-bottom:8px}
.ladder-item p{font-size:14px;line-height:1.75;color:var(--text-2)}
.ladder-item ul{margin-top:14px;display:grid;gap:7px}
.ladder-item li{font-size:13px;color:var(--text-3);display:flex;gap:8px;align-items:flex-start}
.ladder-item li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--primary);margin-top:9px;flex:0 0 auto}

/* ============ steps ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step{
  position:relative;padding:26px 22px;border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--line);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.05);
  transition:transform .25s ease,border-color .25s ease;
}
.step:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.step-num{
  font-family:var(--mono);font-size:34px;font-weight:700;line-height:1;
  color:transparent;-webkit-text-stroke:1px rgba(33,230,193,.55);
  margin-bottom:16px;display:block;
}
.step h3{font-size:17px;margin-bottom:9px}
.step p{font-size:14.5px;color:var(--text-2)}

/* ============ countdown strip ============ */
.count-strip{
  display:flex;flex-wrap:wrap;align-items:center;gap:22px;
  padding:26px 30px;border-radius:var(--radius);
  border:1px solid rgba(255,138,61,.28);
  background:
    radial-gradient(600px 160px at 8% 0%,rgba(255,138,61,.16),transparent 70%),
    linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02));
  box-shadow:var(--shadow);
}
.count-strip .strip-text{flex:1 1 320px;min-width:240px}
.count-strip h3{font-size:18px;margin-bottom:6px}
.count-strip p{font-size:14px;color:var(--text-2)}
.countdown{display:flex;align-items:center;gap:10px;font-family:var(--mono)}
.count-cell{
  min-width:64px;padding:10px 8px;border-radius:12px;text-align:center;
  background:rgba(5,7,14,.6);border:1px solid var(--line);
}
.count-cell strong{display:block;font-size:24px;font-weight:700;color:var(--text-1);line-height:1.2}
.count-cell span{display:block;font-size:11px;color:var(--text-3);letter-spacing:1px}
.count-sep{color:var(--text-3);font-size:20px}
.count-cell.sec strong{color:var(--accent);animation:breathe 1.4s ease-in-out infinite}
@keyframes breathe{0%,100%{opacity:1}50%{opacity:.55}}

/* ============ evidence ============ */
.evidence{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.ev-card{
  padding:24px;border-radius:var(--radius);border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.015));
  box-shadow:var(--shadow);
}
.ev-card strong{display:block;font-family:var(--mono);font-size:30px;color:var(--primary);line-height:1.2;margin-bottom:6px}
.ev-card span{font-size:14px;color:var(--text-2)}

/* ============ faq ============ */
.faq{max-width:900px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 4px;font-size:16.5px;font-weight:600;color:var(--text-1);
  cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-family:var(--mono);font-size:20px;color:var(--primary);
  transition:transform .25s ease;flex:0 0 auto;
}
.faq-item[open] summary::after{content:"−"}
.faq-item summary:hover{color:var(--primary)}
.faq-body{padding:0 4px 24px;font-size:15px;line-height:1.85;color:var(--text-2);max-width:760px}

/* ============ cta band ============ */
.cta-band{
  position:relative;overflow:hidden;padding:56px 48px;border-radius:22px;
  border:1px solid var(--line-strong);
  background:
    radial-gradient(700px 260px at 12% 0%,rgba(33,230,193,.18),transparent 68%),
    radial-gradient(600px 240px at 92% 100%,rgba(124,92,255,.18),transparent 70%),
    linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.015));
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.35;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:48px 48px;
  mask-image:radial-gradient(600px 240px at 80% 20%,#000,transparent 75%);
  -webkit-mask-image:radial-gradient(600px 240px at 80% 20%,#000,transparent 75%);
}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;gap:28px;justify-content:space-between}
.cta-copy{max-width:600px}
.cta-copy h2{font-size:clamp(22px,3vw,32px);margin-bottom:12px}
.cta-copy p{font-size:15.5px;color:var(--text-2)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ============ footer ============ */
.site-footer{margin-top:0;border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(10,16,32,.6),rgba(5,7,14,1))}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;padding:64px 0 44px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14.5px;color:var(--text-2);max-width:320px}
.footer-quote{
  margin-top:22px;display:flex;align-items:center;gap:12px;padding:14px 16px;
  border-radius:var(--radius-sm);border:1px solid var(--line);background:var(--glass);
}
.footer-quote .avatar{
  width:36px;height:36px;border-radius:50%;display:grid;place-items:center;flex:0 0 auto;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));color:#04110E;font-weight:700;font-size:15px;
}
.footer-quote span{font-size:13.5px;color:var(--text-3)}
.footer-col h4{font-size:15px;color:var(--text-1);margin-bottom:18px;letter-spacing:.6px}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:14.5px;color:var(--text-2);transition:color .2s ease}
.footer-col a:hover{color:var(--primary)}
.footer-col li{font-size:14.5px;color:var(--text-2)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  padding:22px 0 30px;border-top:1px solid var(--line);font-size:13.5px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3)}
.footer-bottom a:hover{color:var(--primary)}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* ============ responsive ============ */
@media (max-width:1279px){
  .mosaic{gap:18px}
  .ladder{gap:14px}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .main-nav{
    position:fixed;inset:0 0 0 auto;width:min(360px,88vw);
    flex-direction:column;align-items:stretch;gap:6px;
    padding:96px 22px 28px;margin:0;
    background:rgba(6,9,18,.97);
    backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
    border-left:1px solid var(--line);
    transform:translateX(102%);transition:transform .32s cubic-bezier(.2,.7,.3,1);
    z-index:150;overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0)}
  .main-nav .nav-link{padding:14px 16px;font-size:16px;border-radius:12px}
  .drawer-cta{display:block;margin-top:auto;padding-top:24px}
  .nav-toggle{display:inline-grid;place-items:center}
  .status-pill{display:none}
  .mosaic{grid-template-columns:repeat(3,1fr);grid-auto-rows:minmax(180px,auto)}
  .m-card.is-feature{grid-column:span 2;grid-row:span 2}
  .ladder{grid-template-columns:repeat(2,1fr)}
  .ladder::before{display:none}
  .steps{grid-template-columns:repeat(2,1fr)}
  .evidence{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:60px 0}
  .header-inner{height:64px}
  .site-header.is-scrolled .header-inner{height:60px}
  .logo-text{font-size:16px}
  .logo-text em{display:none}
  .header-actions .btn-primary{display:none}
  .anchor-nav{top:64px}
  .page-banner{padding:52px 0 56px}
  .page-banner h1{font-size:clamp(26px,7vw,36px)}
  .banner-sub{font-size:15.5px}
  .mosaic{grid-template-columns:repeat(2,1fr);gap:16px}
  .m-card.is-feature{grid-column:span 2;grid-row:span 1}
  .m-card{padding:22px}
  .m-card.is-feature .feat-media{position:relative;height:200px}
  .m-card.is-feature .feat-media::after{background:linear-gradient(180deg,rgba(5,7,14,0) 30%,rgba(5,7,14,.9) 100%)}
  .m-card.is-feature{justify-content:flex-start}
  .m-card.is-feature .feat-body{padding:22px}
  .ladder{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .evidence{grid-template-columns:1fr 1fr;gap:14px}
  .cta-band{padding:38px 24px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
  .count-strip{padding:22px 20px;gap:16px}
  .count-cell{min-width:56px;padding:8px 6px}
  .count-cell strong{font-size:20px}
  .footer-top{grid-template-columns:1fr;gap:30px;padding:48px 0 34px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:479px){
  .mosaic{grid-template-columns:1fr}
  .m-card.is-feature{grid-column:span 1}
  .evidence{grid-template-columns:1fr}
  .btn{padding:11px 18px;font-size:14.5px}
  .page-banner h1{font-size:26px}
  .banner-badges{gap:8px}
  .badge{font-size:12px}
}