/* roulang page: index */
:root{
  --c-bg:#0A0C12;
  --c-bg-2:#0E111A;
  --c-panel:#12161F;
  --c-panel-2:#171C27;
  --c-line:rgba(255,255,255,.08);
  --c-line-strong:rgba(255,255,255,.16);
  --c-primary:#2FE3B0;
  --c-primary-deep:#14B98C;
  --c-accent:#FF3E7F;
  --c-third:#FFC24B;
  --c-text-1:#E8ECF4;
  --c-text-2:#9AA6BA;
  --c-text-3:#6B7688;
  --grad-primary:linear-gradient(120deg,#2FE3B0 0%,#28C7E8 100%);
  --grad-neon-line:linear-gradient(90deg,transparent,rgba(47,227,176,.75),transparent);
  --ff-base:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --ff-num:"Barlow","DIN Alternate",ui-monospace,"SFMono-Regular",monospace;
  --r-card:14px;
  --r-panel:16px;
  --r-btn:10px;
  --r-input:10px;
  --r-pill:999px;
  --r-img:12px;
  --sh-1:0 16px 36px rgba(0,0,0,.45),0 0 0 1px var(--c-line);
  --sh-2:0 20px 46px rgba(0,0,0,.55),0 0 0 1px rgba(47,227,176,.35),0 0 26px rgba(47,227,176,.16);
  --t:.22s cubic-bezier(.4,0,.2,1);
  --sec-y:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{font-size:16px;-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text-1);
  font-family:var(--ff-base);
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.015em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color var(--t),border-color var(--t),background-color var(--t)}
a:hover{color:var(--c-primary)}
h1,h2,h3,h4,h5{margin:0;color:var(--c-text-1);font-weight:700;line-height:1.3;letter-spacing:.01em;font-family:var(--ff-base)}
h1{font-size:44px}
h2{font-size:30px}
h3{font-size:21px}
h4{font-size:17px}
p{margin:0 0 1.1em;color:var(--c-text-2)}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(47,227,176,.4);border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1440px){.container{max-width:1280px}}
.num{font-family:var(--ff-num);font-variant-numeric:tabular-nums;font-weight:700}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:13px 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;letter-spacing:.03em;cursor:pointer;
  border:1px solid transparent;transition:transform var(--t),box-shadow var(--t),background-color var(--t),border-color var(--t),color var(--t);
  white-space:nowrap;
}
.btn-primary{background:var(--grad-primary);color:#04140F;box-shadow:0 10px 26px rgba(47,227,176,.18)}
.btn-primary:hover{color:#04140F;filter:brightness(1.07);box-shadow:0 14px 34px rgba(47,227,176,.3);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(1px);background:var(--c-primary-deep)}
.btn-ghost{background:transparent;color:var(--c-text-1);border-color:var(--c-line-strong)}
.btn-ghost:hover{color:var(--c-primary);border-color:rgba(47,227,176,.55);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-block{width:100%}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);
  font-size:14.5px;font-weight:500;letter-spacing:.03em;min-height:44px;
}
.btn-text span{transition:transform var(--t)}
.btn-text:hover span{transform:translateX(4px)}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;line-height:1.7;letter-spacing:.05em;
  background:rgba(47,227,176,.12);color:var(--c-primary);
  border:1px solid rgba(47,227,176,.22);
}
.badge-accent{background:rgba(255,62,127,.12);color:var(--c-accent);border-color:rgba(255,62,127,.24)}
.badge-third{background:rgba(255,194,75,.12);color:var(--c-third);border-color:rgba(255,194,75,.24)}
.badge-plain{background:rgba(255,255,255,.05);color:var(--c-text-2);border-color:var(--c-line)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,12,18,.92);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--c-line);
}
.site-header::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:var(--grad-neon-line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:20px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:700;letter-spacing:.02em;color:var(--c-text-1)}
.logo:hover{color:var(--c-text-1)}
.logo-mark{
  width:30px;height:30px;border-radius:9px;flex:0 0 30px;
  background:var(--grad-primary);color:#04140F;
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--ff-num);font-size:15px;font-weight:700;
  box-shadow:0 0 18px rgba(47,227,176,.35);
}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;min-height:44px;
  padding:0 16px;font-size:15px;font-weight:500;color:var(--c-text-2);letter-spacing:.03em;
}
.nav-link::after{content:"";position:absolute;left:16px;right:16px;bottom:10px;height:2px;border-radius:2px;background:var(--c-primary);opacity:0;transition:opacity var(--t)}
.nav-link:hover{color:var(--c-text-1)}
.nav-link.is-active{color:var(--c-primary);text-shadow:0 0 12px rgba(47,227,176,.45)}
.nav-link.is-active::after{opacity:1;box-shadow:0 0 12px rgba(47,227,176,.7)}
.nav-right{display:flex;align-items:center;gap:18px}
.nav-divider{width:1px;height:26px;background:var(--c-line-strong)}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--c-line-strong);border-radius:10px;
  background:transparent;cursor:pointer;padding:0;position:relative;
}
.nav-toggle span{position:absolute;left:12px;right:12px;height:2px;background:var(--c-text-1);border-radius:2px;transition:transform var(--t),opacity var(--t)}
.nav-toggle span:nth-child(1){top:15px}
.nav-toggle span:nth-child(2){top:21px}
.nav-toggle span:nth-child(3){top:27px}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(6px) rotate(45deg)}
body.nav-open .nav-toggle span:nth-child(2){opacity:0}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.nav-drawer{
  position:fixed;inset:58px 0 0 0;z-index:55;
  background:rgba(10,12,18,.98);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  padding:24px 24px 32px;display:none;flex-direction:column;
  transform:translateY(-8px);opacity:0;transition:opacity var(--t),transform var(--t);
}
body.nav-open .nav-drawer{display:flex;transform:translateY(0);opacity:1}
.nav-drawer a{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 4px;font-size:17px;color:var(--c-text-1);border-bottom:1px solid var(--c-line);
}
.nav-drawer a::after{content:"›";color:var(--c-text-3);font-size:20px}
.nav-drawer a.is-active{color:var(--c-primary)}
.nav-drawer .drawer-cta{margin-top:auto}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec-y) 0;position:relative}
.section-alt{background:var(--c-bg-2);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.section-topline::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad-neon-line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:38px;flex-wrap:wrap}
.section-title{font-size:30px;margin-bottom:12px}
.section-desc{max-width:62ch;color:var(--c-text-2);margin:0;font-size:15.5px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-family:var(--ff-num);
  font-size:13px;letter-spacing:.16em;color:var(--c-primary);margin-bottom:14px;text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--c-primary);display:inline-block}

/* ---------- Hero ---------- */
.hero{
  position:relative;padding:72px 0 76px;overflow:hidden;
  background:
    linear-gradient(rgba(255,255,255,.032) 1px,transparent 1px) 0 0/100% 42px,
    linear-gradient(90deg,rgba(255,255,255,.032) 1px,transparent 1px) 0 0/42px 100%,
    radial-gradient(760px 420px at 82% 12%,rgba(47,227,176,.13),transparent 68%),
    var(--c-bg);
  border-bottom:1px solid var(--c-line);
}
.hero-grid{align-items:center}
.hero-copy{padding-right:8px}
.hero h1{font-size:44px;margin:18px 0 18px;max-width:16em}
.hero-sub{font-size:17.5px;color:var(--c-text-2);max-width:34em;margin-bottom:26px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px 30px;border-top:1px solid var(--c-line);padding-top:20px}
.hero-stats li{display:flex;flex-direction:column;gap:2px}
.hero-stats .stat-num{font-family:var(--ff-num);font-variant-numeric:tabular-nums;font-size:24px;font-weight:700;color:var(--c-text-1)}
.hero-stats .stat-label{font-size:13px;color:var(--c-text-3);letter-spacing:.04em}
.hero-visual{position:relative;margin-top:34px}
.hero-img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-panel);border:1px solid var(--c-line-strong);
  filter:brightness(.72) saturate(1.05);
}
.hero-visual::after{
  content:"";position:absolute;inset:0;border-radius:var(--r-panel);
  background:linear-gradient(160deg,rgba(10,12,18,.15),rgba(10,12,18,.82));
  pointer-events:none;
}
.hero-panel{
  position:absolute;left:22px;bottom:22px;z-index:2;
  background:rgba(18,22,31,.92);border:1px solid rgba(47,227,176,.3);
  border-radius:var(--r-card);padding:16px 20px;min-width:210px;
  box-shadow:0 16px 36px rgba(0,0,0,.5);
}
.hero-panel-label{font-size:12.5px;color:var(--c-text-3);margin:0 0 4px;letter-spacing:.08em}
.hero-panel-value{font-family:var(--ff-num);font-size:34px;font-weight:700;color:var(--c-primary);margin:0;line-height:1.1;font-variant-numeric:tabular-nums}
.hero-panel-value span{font-size:13px;color:var(--c-text-2);font-weight:400;margin-left:4px}
.hero-panel-note{font-size:12.5px;color:var(--c-text-3);margin:6px 0 0}

/* ---------- 实时状态条 ---------- */
.live-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 26px;
  padding:14px 20px;border:1px solid var(--c-line);border-radius:var(--r-card);
  background:var(--c-panel);margin-bottom:34px;
}
.live-item{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--c-text-2)}
.live-dot{width:8px;height:8px;border-radius:50%;background:var(--c-primary);box-shadow:0 0 10px rgba(47,227,176,.8);animation:pulse 2.4s infinite}
.live-dot.warn{background:var(--c-third);box-shadow:0 0 10px rgba(255,194,75,.7)}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.live-time{margin-left:auto;font-family:var(--ff-num);font-size:12.5px;color:var(--c-text-3)}

/* ---------- 指标看板 ---------- */
.metrics{border:1px solid var(--c-line);border-radius:var(--r-panel);background:var(--c-panel);overflow:hidden}
.metric{padding:28px 26px;border-left:1px solid var(--c-line)}
.metric:first-child{border-left:0}
.metric-label{font-size:13px;color:var(--c-text-2);letter-spacing:.06em;margin:0 0 10px}
.metric-value{
  font-family:var(--ff-num);font-variant-numeric:tabular-nums;font-weight:700;
  font-size:46px;line-height:1.05;color:var(--c-text-1);margin:0 0 8px;
}
.metric-value .u{font-size:16px;color:var(--c-text-2);font-weight:400;margin-left:6px}
.metric-value.hl{color:var(--c-primary);text-shadow:0 0 22px rgba(47,227,176,.28)}
.metric-note{font-size:13px;color:var(--c-text-3);margin:0}

/* ---------- 服务矩阵 ---------- */
.matrix-card{
  background:var(--c-panel);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;position:relative;height:auto;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.matrix-card::before{
  content:"";position:absolute;top:0;left:0;width:2px;height:46px;
  background:var(--grad-primary);box-shadow:0 0 14px rgba(47,227,176,.6);
}
.matrix-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(47,227,176,.3)}
.matrix-lead img{width:100%;aspect-ratio:16/9;object-fit:cover}
.matrix-lead .matrix-card-body{padding:24px}
.matrix-card-body{padding:22px}
.matrix-num{font-family:var(--ff-num);font-size:13px;color:var(--c-primary);letter-spacing:.14em;margin-bottom:10px;display:block}
.matrix-card h3{font-size:20px;margin-bottom:10px}
.matrix-card p{font-size:14.5px;color:var(--c-text-2);margin-bottom:12px}
.matrix-side{height:100%}
.matrix-mini{margin-bottom:0}
.mini-badge{display:inline-flex;margin-bottom:12px}

/* ---------- 流程时间轴 ---------- */
.flow{position:relative;padding-left:0}
.flow-item{
  display:grid;grid-template-columns:64px 1fr;gap:20px;
  padding:22px 0;border-bottom:1px solid var(--c-line);
}
.flow-item:last-child{border-bottom:0}
.flow-num{
  width:46px;height:46px;border-radius:50%;border:1px solid rgba(47,227,176,.45);
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--ff-num);font-size:15px;font-weight:700;color:var(--c-primary);
  background:rgba(47,227,176,.06);
}
.flow-item h3{font-size:19px;margin-bottom:8px}
.flow-item p{font-size:15px;max-width:62ch;margin:0}

/* ---------- 对比区 ---------- */
.compare-col{
  border-radius:var(--r-panel);padding:28px 26px;height:100%;
  background:var(--c-panel);border:1px solid var(--c-line);
}
.compare-col-hero{
  background:var(--c-panel-2);
  border-color:rgba(47,227,176,.35);
  box-shadow:0 0 30px rgba(47,227,176,.1) inset;
}
.compare-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--c-line)}
.compare-head h3{font-size:19px}
.compare-item{display:grid;grid-template-columns:14px 1fr;gap:14px;padding:14px 0;border-bottom:1px dashed var(--c-line)}
.compare-item:last-child{border-bottom:0}
.compare-dot{width:8px;height:8px;border-radius:50%;background:var(--c-text-3);margin-top:10px}
.compare-col-hero .compare-dot{background:var(--c-primary);box-shadow:0 0 10px rgba(47,227,176,.7)}
.compare-item h4{font-size:15.5px;margin-bottom:4px;color:var(--c-text-1)}
.compare-col:not(.compare-col-hero) .compare-item h4{color:var(--c-text-2)}
.compare-item p{font-size:14px;color:var(--c-text-3);margin:0}

/* ---------- 排行表 ---------- */
.rank-table{border:1px solid var(--c-line);border-radius:var(--r-panel);overflow:hidden}
.rank-row{
  display:grid;grid-template-columns:70px 1.1fr 1.7fr 108px;gap:16px;align-items:center;
  padding:16px 22px;border-top:1px solid var(--c-line);font-size:14.5px;transition:background-color var(--t);
}
.rank-row:first-child{border-top:0}
.rank-row:hover{background:rgba(47,227,176,.04)}
.rank-head{background:var(--c-bg-2);font-size:13px;color:var(--c-text-3);letter-spacing:.08em;font-weight:500}
.rank-head:hover{background:var(--c-bg-2)}
.rank-index{font-family:var(--ff-num);font-weight:700;color:var(--c-primary);font-variant-numeric:tabular-nums}
.rank-name{color:var(--c-text-1);font-weight:500}
.rank-desc{color:var(--c-text-3);font-size:13.5px}
.rank-state{text-align:right}

/* ---------- 内容列表 / CMS ---------- */
.news-grid>.cell{padding-top:12px;padding-bottom:12px}
.news-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--c-panel);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;position:relative;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.news-card::before{content:"";position:absolute;top:0;left:0;width:2px;height:40px;background:var(--grad-primary);opacity:.85}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(47,227,176,.3)}
.news-card:hover .news-arrow{transform:translateX(4px)}
.news-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.news-feature img{aspect-ratio:16/7}
.news-body{padding:22px;display:flex;flex-direction:column;flex:1 1 auto}
.news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.news-date{font-family:var(--ff-num);font-size:12.5px;color:var(--c-text-3)}
.news-card h3{font-size:18px;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-feature h3{font-size:22px}
.news-card p{
  font-size:14.5px;color:var(--c-text-2);margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px solid var(--c-line)}
.news-foot span{font-size:13px;color:var(--c-text-3)}
.news-arrow{color:var(--c-primary);transition:transform var(--t);font-size:16px}
.empty-state{
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  text-align:center;border:1px dashed var(--c-line-strong);border-radius:var(--r-panel);
  background:var(--c-panel);padding:40px 24px;
}
.empty-icon{
  width:52px;height:52px;border-radius:50%;border:1px solid rgba(47,227,176,.4);
  display:flex;align-items:center;justify-content:center;color:var(--c-primary);
  font-family:var(--ff-num);font-size:20px;background:rgba(47,227,176,.06);
}
.empty-state p{color:var(--c-text-2);margin:0;font-size:15px}

/* ---------- FAQ ---------- */
.faq details{
  background:var(--c-panel);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:18px 20px;margin-bottom:14px;position:relative;overflow:hidden;
  transition:border-color var(--t),box-shadow var(--t);
}
.faq details::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;background:var(--c-line-strong);border-radius:3px;transition:background var(--t),box-shadow var(--t)}
.faq details[open]{border-color:rgba(47,227,176,.32);box-shadow:0 12px 30px rgba(0,0,0,.35)}
.faq details[open]::before{background:var(--c-primary);box-shadow:0 0 14px rgba(47,227,176,.7)}
.faq summary{
  cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16.5px;font-weight:700;color:var(--c-text-1);padding-left:12px;min-height:44px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--ff-num);font-size:22px;color:var(--c-primary);transition:transform var(--t);line-height:1}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq p{padding-left:12px;margin:12px 0 0;font-size:14.8px;line-height:1.8;color:var(--c-text-2)}

/* ---------- 表单 ---------- */
.form-intro h2{margin-bottom:16px}
.form-value{display:flex;flex-direction:column;gap:12px;margin-top:22px}
.form-value li{display:flex;align-items:center;gap:10px;font-size:14.5px;color:var(--c-text-2)}
.form-value li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-primary);box-shadow:0 0 8px rgba(47,227,176,.7);flex:0 0 6px}
.form-panel{
  background:var(--c-panel);border:1px solid var(--c-line);border-radius:var(--r-panel);
  padding:30px 28px;box-shadow:var(--sh-1);
}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;color:var(--c-text-2);letter-spacing:.05em;margin-bottom:8px}
.field .req{color:var(--c-primary);margin-left:3px}
.field input,.field select,.field textarea{
  width:100%;background:#0F1320;border:1px solid var(--c-line-strong);border-radius:var(--r-input);
  padding:14px 16px;color:var(--c-text-1);font-size:15.5px;font-family:inherit;line-height:1.6;
  transition:border-color var(--t),box-shadow var(--t);
}
.field textarea{min-height:112px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--c-text-3)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(47,227,176,.16);
}
.field select{
  appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%239AA6BA' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 16px center;background-size:12px;
  padding-right:44px;
}
.form-note{font-size:12px;color:var(--c-text-3);margin:14px 0 0;line-height:1.8}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-bg-2);border-top:1px solid var(--c-line);position:relative;
  padding:56px 0 26px;
}
.site-footer::before{content:"";position:absolute;top:-1px;left:0;right:0;height:1px;background:var(--grad-neon-line)}
.footer-col{padding-top:14px;padding-bottom:14px}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--c-text-1);letter-spacing:.06em}
.footer-brand p{font-size:14px;color:var(--c-text-3);max-width:34ch;margin:14px 0 0}
.footer-list{display:flex;flex-direction:column;gap:10px}
.footer-list a{font-size:14px;color:var(--c-text-2);min-height:30px;display:inline-flex;align-items:center}
.footer-list a:hover{color:var(--c-primary)}
.footer-contact li{font-size:14px;color:var(--c-text-2);margin-bottom:10px;display:flex;gap:8px}
.footer-contact li span{color:var(--c-text-3)}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid var(--c-line);
  display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;
}
.footer-bottom p{font-size:12.5px;color:var(--c-text-3);margin:0}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  :root{--sec-y:64px}
  h1{font-size:33px}
  .hero h1{font-size:33px}
  h2,.section-title{font-size:25px}
  .nav-links,.nav-right .btn,.nav-divider{display:none}
  .nav-toggle{display:block}
  .nav-inner{height:58px}
  .nav-drawer{inset:58px 0 0 0}
  .metric{font-size:15.5px}
  .metric-value{font-size:38px}
  .compare-col{margin-bottom:18px}
  .footer-grid>.cell{padding-top:18px;padding-bottom:18px}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .container{padding:0 18px}
  .section{padding:48px 0}
  .hero{padding:46px 0 54px}
  .hero h1{font-size:28px}
  .hero-sub{font-size:16px}
  .hero-cta .btn{width:100%}
  .metrics{border-radius:var(--r-card)}
  .metric{border-left:0;border-top:1px solid var(--c-line);padding:22px 20px}
  .metric:nth-child(1),.metric:nth-child(2){border-top:0}
  .metric:nth-child(even){border-left:1px solid var(--c-line)}
  .metric-value{font-size:32px}
  h3{font-size:18px}
  h4{font-size:16px}
  .section-title{font-size:23px}
  .rank-row{grid-template-columns:44px 1fr 88px;gap:10px;padding:14px 16px;font-size:14px}
  .rank-desc{display:none}
  .rank-head span:nth-child(3){display:none}
  .flow-item{grid-template-columns:52px 1fr;gap:14px}
  .flow-num{width:40px;height:40px;font-size:14px}
  .form-panel{padding:22px 18px}
  .news-feature h3{font-size:19px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: article */
:root{
  --c-bg:#0A0C12;
  --c-bg-2:#0E111A;
  --c-panel:#12161F;
  --c-panel-2:#171C27;
  --c-line:rgba(255,255,255,.08);
  --c-line-strong:rgba(255,255,255,.16);
  --c-primary:#2FE3B0;
  --c-primary-deep:#14B98C;
  --c-accent:#FF3E7F;
  --c-third:#FFC24B;
  --c-text-1:#E8ECF4;
  --c-text-2:#9AA6BA;
  --c-text-3:#6B7688;
  --grad-primary:linear-gradient(120deg,#2FE3B0 0%,#28C7E8 100%);
  --grad-neon-line:linear-gradient(90deg,transparent,rgba(47,227,176,.75),transparent);
  --ff-base:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --ff-num:"Barlow","DIN Alternate",ui-monospace,"SFMono-Regular",monospace;
  --r-card:14px;
  --r-panel:16px;
  --r-btn:10px;
  --r-img:12px;
  --sh-card:0 16px 36px rgba(0,0,0,.45),0 0 0 1px var(--c-line);
  --sh-hover:0 20px 46px rgba(0,0,0,.55),0 0 0 1px rgba(47,227,176,.35),0 0 26px rgba(47,227,176,.16);
  --tr:.22s cubic-bezier(.4,0,.2,1);
  --sp-section:88px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text-1);
  font-family:var(--ff-base);
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.015em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.nav-open{overflow:hidden;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--tr),border-color var(--tr),opacity var(--tr);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:.01em;color:var(--c-text-1);}
p{margin:0 0 1.1em;}
ul,ol{margin:0;padding:0;list-style:none;}
::selection{background:rgba(47,227,176,.28);color:#fff;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(47,227,176,.4);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1440px){
  .container{max-width:1280px;}
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(10,12,18,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.site-header::after{
  content:"";
  display:block;
  height:1px;
  background:var(--grad-neon-line);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  height:68px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:700;
  letter-spacing:.03em;
  color:var(--c-text-1);
  white-space:nowrap;
}
.logo:hover{color:var(--c-primary);}
.logo-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;
  height:34px;
  border-radius:10px;
  background:var(--grad-primary);
  color:#04140F;
  font-family:var(--ff-num);
  font-size:14px;
  font-weight:700;
  letter-spacing:.02em;
  box-shadow:0 0 18px rgba(47,227,176,.35);
}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  flex:1 1 auto;
  justify-content:center;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 14px;
  font-size:15px;
  font-weight:500;
  letter-spacing:.03em;
  color:var(--c-text-2);
}
.nav-link:hover{color:var(--c-text-1);}
.nav-link.is-active{
  color:var(--c-primary);
  text-shadow:0 0 12px rgba(47,227,176,.45);
}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:6px;
  height:2px;
  border-radius:2px;
  background:var(--c-primary);
  box-shadow:0 0 10px rgba(47,227,176,.7);
}
.nav-right{
  display:flex;
  align-items:center;
  gap:16px;
}
.nav-divider{
  width:1px;
  height:24px;
  background:var(--c-line-strong);
}
.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:44px;
  height:44px;
  padding:0;
  background:transparent;
  border:1px solid var(--c-line-strong);
  border-radius:10px;
  cursor:pointer;
}
.nav-toggle span{
  display:block;
  width:18px;
  height:2px;
  margin:0 auto;
  border-radius:2px;
  background:var(--c-text-1);
  transition:transform var(--tr),opacity var(--tr);
}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg);}
body.nav-open .nav-toggle span:nth-child(2){opacity:0;}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:14px 26px;
  font-size:15px;
  font-weight:700;
  letter-spacing:.03em;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  cursor:pointer;
  transition:transform var(--tr),box-shadow var(--tr),background var(--tr),border-color var(--tr),color var(--tr),filter var(--tr);
}
.btn-primary{
  background:var(--grad-primary);
  color:#04140F;
  box-shadow:0 10px 26px rgba(47,227,176,.18);
}
.btn-primary:hover{
  filter:brightness(1.08);
  box-shadow:0 14px 34px rgba(47,227,176,.32);
  transform:translateY(-2px);
}
.btn-primary:active{transform:translateY(1px);}
.btn-secondary{
  background:transparent;
  border-color:var(--c-line-strong);
  color:var(--c-text-1);
}
.btn-secondary:hover{
  border-color:var(--c-primary);
  color:var(--c-primary);
  transform:translateY(-2px);
}
.btn-secondary:active{transform:translateY(1px);}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:500;
  color:var(--c-text-2);
}
.link-more:hover{color:var(--c-primary);}
.link-more span{transition:transform var(--tr);}
.link-more:hover span{transform:translateX(4px);}

/* ============ 面包屑 ============ */
.crumbs{padding:24px 0 0;}
.crumbs ol{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--c-text-3);
}
.crumbs a{color:var(--c-text-3);}
.crumbs a:hover{color:var(--c-primary);}
.crumbs li[aria-current="page"]{
  color:var(--c-primary);
  max-width:52ch;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}

/* ============ 文章页头 ============ */
.article-hero{padding:28px 0 0;}
.article-head .badge{margin-bottom:16px;}
.article-head h1{
  font-size:44px;
  line-height:1.3;
  max-width:900px;
  letter-spacing:.01em;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  font-size:12px;
  font-weight:500;
  letter-spacing:.03em;
  border-radius:999px;
  background:rgba(47,227,176,.12);
  color:var(--c-primary);
  border:1px solid rgba(47,227,176,.22);
}
.badge-neon{background:rgba(255,62,127,.12);color:var(--c-accent);border-color:rgba(255,62,127,.28);}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px 22px;
  margin:18px 0 0;
  font-size:13.5px;
  color:var(--c-text-3);
}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{font-size:14px;color:var(--c-primary);opacity:.85;}
.article-cover{
  position:relative;
  margin:26px 0 0;
  border-radius:var(--r-panel);
  overflow:hidden;
  aspect-ratio:16 / 7;
  background:var(--c-panel);
  box-shadow:var(--sh-card);
}
.article-cover img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.article-cover::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(10,12,18,.15) 0%,rgba(10,12,18,.72) 100%);
}
.article-cover .cover-tag{
  position:absolute;
  left:20px;
  bottom:18px;
  z-index:2;
  font-size:13px;
  color:var(--c-text-1);
  letter-spacing:.03em;
  text-shadow:0 2px 12px rgba(0,0,0,.6);
}

/* ============ 正文布局 ============ */
.article-main{padding:56px 0 0;}
.article-layout{align-items:flex-start;}
.article-panel{
  position:relative;
  padding:38px 40px 42px;
  background:var(--c-panel);
  border:1px solid var(--c-line);
  border-radius:var(--r-panel);
  box-shadow:var(--sh-card);
}
.article-panel::before{
  content:"";
  position:absolute;
  left:0;
  top:28px;
  width:2px;
  height:52px;
  background:var(--c-primary);
  box-shadow:0 0 14px rgba(47,227,176,.6);
}
.article-body{max-width:780px;}
.article-body h2{
  position:relative;
  margin:56px 0 18px;
  padding-left:16px;
  font-size:30px;
}
.article-body h2:first-child{margin-top:0;}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.24em;
  bottom:.24em;
  width:3px;
  border-radius:2px;
  background:var(--c-primary);
  box-shadow:0 0 12px rgba(47,227,176,.5);
}
.article-body h3{margin:36px 0 14px;font-size:21px;}
.article-body h4{margin:26px 0 12px;font-size:17px;color:var(--c-text-1);}
.article-body p{margin:0 0 1.1em;}
.article-body ul,.article-body ol{margin:0 0 14px;padding-left:24px;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:10px;padding-left:2px;}
.article-body ul li::marker{color:var(--c-primary);}
.article-body ol li::marker{color:var(--c-primary);font-family:var(--ff-num);font-weight:700;}
.article-body a{color:var(--c-primary);border-bottom:1px solid rgba(47,227,176,.35);}
.article-body a:hover{border-bottom-color:var(--c-primary);}
.article-body blockquote{
  margin:24px 0;
  padding:18px 22px;
  background:var(--c-panel-2);
  border-left:3px solid var(--c-primary);
  border-radius:0 var(--r-card) var(--r-card) 0;
  color:var(--c-text-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body figure{margin:24px 0;}
.article-body img{width:100%;height:auto;border-radius:var(--r-img);margin:22px 0;}
.article-body figcaption{margin-top:10px;font-size:13px;color:var(--c-text-3);text-align:center;}
.article-body code{
  font-family:var(--ff-num);
  font-size:14px;
  padding:2px 6px;
  border-radius:6px;
  background:#0F1320;
  border:1px solid var(--c-line);
  color:var(--c-primary);
}
.article-body pre{
  margin:22px 0;
  padding:16px 18px;
  background:#0F1320;
  border:1px solid var(--c-line);
  border-radius:var(--r-img);
  overflow-x:auto;
  font-family:var(--ff-num);
  font-size:14px;
  line-height:1.7;
  color:var(--c-text-2);
}
.article-body pre code{background:none;border:0;padding:0;color:inherit;}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;}
.article-body th,.article-body td{padding:12px 14px;text-align:left;border:0;}
.article-body thead{background:var(--c-bg-2);color:var(--c-text-2);font-size:14px;letter-spacing:.03em;}
.article-body tbody tr{border-top:1px solid var(--c-line);}
.article-body tbody tr:nth-child(even){background:var(--c-bg-2);}
.article-body hr{margin:32px 0;border:0;border-top:1px solid var(--c-line);}
.article-body strong{color:#fff;}

.empty-state{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:14px;
  min-height:240px;
  text-align:center;
  color:var(--c-text-2);
}
.empty-state i{font-size:30px;color:var(--c-primary);}

/* ============ 侧栏 ============ */
.sidebar .side-card{
  padding:24px;
  background:var(--c-panel);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  margin-bottom:20px;
}
.side-card h3{
  font-size:17px;
  margin-bottom:16px;
  padding-left:12px;
  position:relative;
}
.side-card h3::before{
  content:"";
  position:absolute;
  left:0;
  top:.25em;
  bottom:.25em;
  width:2px;
  border-radius:2px;
  background:var(--c-primary);
}
.side-list li{border-top:1px solid var(--c-line);}
.side-list li:first-child{border-top:0;}
.side-list a{
  display:flex;
  align-items:flex-start;
  gap:10px;
  padding:12px 0;
  font-size:14.5px;
  line-height:1.6;
  color:var(--c-text-2);
}
.side-list a:hover{color:var(--c-primary);}
.side-list .num{
  font-family:var(--ff-num);
  font-size:13px;
  font-weight:700;
  color:var(--c-primary);
  opacity:.85;
  padding-top:2px;
}
.side-cta p{font-size:14px;color:var(--c-text-2);margin-bottom:16px;}
.side-cta .btn{width:100%;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:32px 0 0;}
.tag-row .tag{
  padding:6px 14px;
  font-size:13px;
  color:var(--c-text-2);
  border:1px solid var(--c-line-strong);
  border-radius:999px;
}
.tag-row .tag:hover{border-color:var(--c-primary);color:var(--c-primary);}

/* ============ 文末返回 ============ */
.article-foot{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  align-items:center;
  justify-content:space-between;
  margin-top:34px;
  padding-top:24px;
  border-top:1px solid var(--c-line);
}
.article-foot .back-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  color:var(--c-text-2);
}
.article-foot .back-link:hover{color:var(--c-primary);}
.article-foot .back-link span{transition:transform var(--tr);}
.article-foot .back-link:hover span{transform:translateX(-4px);}

/* ============ 板块通用 ============ */
.section{padding:var(--sp-section) 0;}
.section-tight{padding:64px 0 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:32px;
}
.section-head h2{font-size:30px;}
.section-head .sub{
  margin-top:10px;
  font-size:14.5px;
  color:var(--c-text-2);
  max-width:62ch;
}

/* ============ 卡片 ============ */
.card-row{margin-bottom:-24px;}
.card-row > [class*="cell"]{margin-bottom:24px;}
.card{
  display:flex;
  flex-direction:column;
  height:100%;
  background:var(--c-panel);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  overflow:hidden;
  transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.card:hover{
  transform:translateY(-2px);
  box-shadow:var(--sh-hover);
  border-color:rgba(47,227,176,.35);
}
.card-media{
  aspect-ratio:16 / 9;
  overflow:hidden;
  background:var(--c-bg-2);
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.4,0,.2,1);}
.card:hover .card-media img{transform:scale(1.04);}
.card-body{display:flex;flex-direction:column;gap:10px;padding:22px;flex:1;}
.card-body h3{font-size:18px;line-height:1.5;}
.card-body p{
  font-size:14px;
  color:var(--c-text-2);
  margin:0;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:auto;
  padding-top:16px;
  border-top:1px solid var(--c-line);
  font-size:13px;
  color:var(--c-text-3);
}
.card-foot .arrow{color:var(--c-primary);transition:transform var(--tr);}
.card:hover .card-foot .arrow{transform:translateX(4px);}

/* ============ 底部 CTA 条 ============ */
.article-cta-wrap{padding:0 0 var(--sp-section);}
.article-cta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:34px 38px;
  background:var(--c-panel-2);
  border:1px solid rgba(47,227,176,.38);
  border-radius:var(--r-panel);
  box-shadow:0 0 30px rgba(47,227,176,.08);
}
.article-cta h2{font-size:22px;margin-bottom:8px;}
.article-cta p{margin:0;font-size:14.5px;color:var(--c-text-2);max-width:62ch;}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  background:var(--c-bg-2);
  padding:64px 0 28px;
  font-size:14px;
  color:var(--c-text-2);
}
.site-footer::before{
  content:"";
  position:absolute;
  left:0;
  right:0;
  top:0;
  height:1px;
  background:var(--grad-neon-line);
}
.footer-grid{margin-bottom:40px;}
.footer-col{margin-bottom:28px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{margin:0;font-size:13.5px;line-height:1.8;color:var(--c-text-3);max-width:34ch;}
.site-footer h4{
  font-size:15px;
  margin-bottom:16px;
  color:var(--c-text-1);
  letter-spacing:.03em;
}
.footer-list{display:flex;flex-direction:column;gap:10px;}
.footer-list a{font-size:13.5px;color:var(--c-text-2);}
.footer-list a:hover{color:var(--c-primary);}
.footer-contact li{
  display:flex;
  gap:10px;
  font-size:13.5px;
  color:var(--c-text-3);
  margin-bottom:10px;
  line-height:1.7;
}
.footer-contact li span{color:var(--c-text-2);flex:0 0 62px;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:8px 24px;
  padding-top:22px;
  border-top:1px solid var(--c-line);
  font-size:12.5px;
  color:var(--c-text-3);
}
.footer-bottom p{margin:0;}

/* ============ 响应式 ============ */
@media (max-width:1439px){
  .article-head h1{font-size:38px;}
}
@media (max-width:1023px){
  :root{--sp-section:64px;}
  .nav-inner{height:58px;}
  .nav-links{
    position:fixed;
    left:0;
    right:0;
    top:58px;
    bottom:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    gap:0;
    padding:12px 18px 28px;
    background:rgba(10,12,18,.98);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    overflow-y:auto;
    z-index:90;
  }
  body.nav-open .nav-links{display:flex;}
  .nav-link{
    padding:16px 0;
    font-size:16px;
    border-bottom:1px solid var(--c-line);
    justify-content:space-between;
  }
  .nav-link::after{display:none;}
  .nav-link.is-active::after{display:block;left:0;right:auto;width:34px;bottom:12px;}
  .nav-toggle{display:inline-flex;}
  .nav-divider{display:none;}
  .article-head h1{font-size:30px;}
  .article-panel{padding:28px 24px 32px;}
  .article-body h2{font-size:24px;margin-top:44px;}
  .article-body h3{font-size:19px;}
  .section-head h2{font-size:23px;}
  .sidebar{margin-top:32px;}
}
@media (max-width:639px){
  :root{--sp-section:48px;}
  body{font-size:15.5px;}
  .container{padding:0 18px;}
  .nav-right .btn-primary{padding:11px 16px;font-size:14px;}
  .logo{font-size:16px;}
  .logo-mark{width:30px;height:30px;font-size:13px;}
  .article-hero{padding-top:20px;}
  .article-head h1{font-size:27px;}
  .article-meta{gap:8px 16px;font-size:13px;}
  .article-main{padding-top:36px;}
  .article-panel{padding:22px 18px 26px;border-radius:var(--r-card);}
  .article-panel::before{top:18px;height:36px;}
  .article-body h2{font-size:22px;padding-left:13px;margin-top:38px;}
  .article-body h3{font-size:18px;}
  .article-cta{padding:26px 20px;}
  .article-cta .btn{width:100%;}
  .crumbs{padding-top:18px;}
  .crumbs li[aria-current="page"]{white-space:normal;}
}
@media (max-width:519px){
  .nav-right .btn-primary{display:none;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --c-bg:#0A0C12;
  --c-bg-2:#0E111A;
  --c-panel:#12161F;
  --c-panel-2:#171C27;
  --c-line:rgba(255,255,255,.08);
  --c-line-strong:rgba(255,255,255,.16);
  --c-primary:#2FE3B0;
  --c-primary-deep:#14B98C;
  --c-accent:#FF3E7F;
  --c-third:#FFC24B;
  --c-text-1:#E8ECF4;
  --c-text-2:#9AA6BA;
  --c-text-3:#6B7688;
  --grad-primary:linear-gradient(120deg,#2FE3B0 0%,#28C7E8 100%);
  --grad-neon-line:linear-gradient(90deg,transparent,rgba(47,227,176,.75),transparent);
  --ff-base:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --ff-num:"Barlow","DIN Alternate",ui-monospace,"SFMono-Regular",monospace;
  --r-card:14px;
  --r-panel:16px;
  --r-btn:10px;
  --r-img:12px;
  --sh:0 16px 36px rgba(0,0,0,.45),0 0 0 1px var(--c-line);
  --sh-hover:0 20px 46px rgba(0,0,0,.55),0 0 0 1px rgba(47,227,176,.35),0 0 26px rgba(47,227,176,.16);
  --ease:.22s cubic-bezier(.4,0,.2,1);
  --nav-h:68px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text-1);
  font-family:var(--ff-base);
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.015em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-text-1);text-decoration:none;transition:color var(--ease),border-color var(--ease),background-color var(--ease),box-shadow var(--ease),transform var(--ease);}
a:hover{color:var(--c-primary);}
p{margin:0 0 1.1em;max-width:62ch;}
h1,h2,h3,h4{font-family:var(--ff-base);color:var(--c-text-1);line-height:1.3;letter-spacing:.01em;font-weight:700;margin:0;}
h1{font-size:44px;}
h2{font-size:30px;margin-top:56px;margin-bottom:18px;}
h3{font-size:21px;}
h4{font-size:17px;}
ul,ol{margin:0 0 1.1em;padding-left:1.15em;}
li{margin-bottom:.5em;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:3px solid rgba(47,227,176,.4);outline-offset:2px;}
::selection{background:rgba(47,227,176,.28);color:#fff;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media(min-width:1440px){.container{max-width:1280px;}}
.section{padding-top:88px;padding-bottom:88px;}
.section--tight{padding-top:64px;padding-bottom:64px;}
.section--alt{background:var(--c-bg-2);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.neon-top{height:1px;width:100%;background:var(--grad-neon-line);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13.5px;letter-spacing:.03em;color:var(--c-primary);
  background:rgba(47,227,176,.1);
  border:1px solid rgba(47,227,176,.22);
  border-radius:999px;padding:5px 14px;margin-bottom:18px;
}
.lead{color:var(--c-text-2);max-width:62ch;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:14px 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;letter-spacing:.03em;
  border:1px solid transparent;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),color var(--ease),border-color var(--ease);
}
.btn-primary{background:var(--grad-primary);color:#04140F;box-shadow:0 10px 26px rgba(47,227,176,.18);}
.btn-primary:hover{color:#04140F;filter:brightness(1.07);box-shadow:0 14px 32px rgba(47,227,176,.34);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border-color:var(--c-line-strong);color:var(--c-text-1);}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-text{display:inline-flex;align-items:center;gap:8px;color:var(--c-primary);font-weight:500;font-size:15px;background:none;border:0;padding:6px 0;cursor:pointer;}
.btn-text i,.btn-text .arw{transition:transform var(--ease);}
.btn-text:hover{color:var(--c-primary);}
.btn-text:hover .arw{transform:translateX(4px);}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,12,18,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--c-line);
}
.site-header::after{content:"";display:block;height:1px;background:var(--grad-neon-line);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:var(--nav-h);}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:17px;letter-spacing:.02em;color:var(--c-text-1);white-space:nowrap;}
.logo-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:var(--grad-primary);color:#04140F;font-family:var(--ff-num);font-weight:700;font-size:14px;letter-spacing:0;
  box-shadow:0 0 18px rgba(47,227,176,.3);
}
.logo:hover{color:var(--c-primary);}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;min-height:44px;
  padding:0 14px;font-size:15px;font-weight:500;color:var(--c-text-2);letter-spacing:.03em;
}
.nav-link:hover{color:var(--c-text-1);}
.nav-link.is-active{color:var(--c-primary);text-shadow:0 0 12px rgba(47,227,176,.45);}
.nav-link.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:6px;height:2px;border-radius:2px;background:var(--c-primary);box-shadow:0 0 12px rgba(47,227,176,.7);}
.nav-right{display:flex;align-items:center;gap:16px;}
.nav-divider{width:1px;height:26px;background:var(--c-line-strong);display:block;}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:4px;
  width:44px;height:44px;border-radius:10px;border:1px solid var(--c-line-strong);
  background:transparent;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-text-1);margin:0 auto;transition:transform var(--ease),opacity var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ---------- 面包屑 ---------- */
.crumbs{margin:24px 0 0;}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:0;margin:0;font-size:14px;color:var(--c-text-3);}
.crumbs li{display:flex;align-items:center;gap:8px;margin:0;}
.crumbs li+li::before{content:"›";color:var(--c-text-3);}
.crumbs a{color:var(--c-text-3);}
.crumbs a:hover{color:var(--c-primary);}
.crumbs .is-current{color:var(--c-primary);}

/* ---------- 页头横幅 ---------- */
.page-hero{margin-top:20px;}
.hero-banner{
  position:relative;overflow:hidden;border-radius:var(--r-panel);
  border:1px solid rgba(47,227,176,.28);
  min-height:300px;display:flex;align-items:center;
  background-image:linear-gradient(90deg,rgba(10,12,18,.94) 0%,rgba(10,12,18,.78) 52%,rgba(10,12,18,.55) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  box-shadow:0 20px 46px rgba(0,0,0,.55);
}
.hero-banner::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:24px 24px;opacity:.4;
}
.hero-banner .grid-x{position:relative;z-index:2;width:100%;}
.hero-copy{padding:44px 0;}
.hero-copy h1{font-size:44px;margin-bottom:14px;}
.hero-copy p{color:var(--c-text-2);margin-bottom:0;font-size:16.5px;}
.hero-metrics{
  display:flex;flex-direction:column;gap:0;
  background:rgba(18,22,31,.86);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;backdrop-filter:blur(6px);
}
.hero-metric{padding:20px 22px;}
.hero-metric+.hero-metric{border-top:1px solid var(--c-line);}
.hero-metric span{display:block;font-size:13px;color:var(--c-text-2);letter-spacing:.03em;margin-bottom:6px;}
.hero-metric strong{font-family:var(--ff-num);font-variant-numeric:tabular-nums;font-size:34px;font-weight:700;color:var(--c-primary);line-height:1.1;}
.hero-metric strong small{font-size:40%;color:var(--c-text-2);font-weight:500;margin-left:4px;}
.hero-metric em{display:block;font-style:normal;font-size:13px;color:var(--c-text-3);margin-top:4px;}

/* ---------- 锚点条 ---------- */
.anchor-bar{
  position:sticky;top:calc(var(--nav-h) + 1px);z-index:40;
  background:rgba(14,17,26,.94);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
}
.anchor-scroll{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;}
.anchor-scroll::-webkit-scrollbar{display:none;}
.anchor-link{
  position:relative;flex:0 0 auto;display:inline-flex;align-items:center;min-height:52px;
  padding:0 16px;font-size:14.5px;color:var(--c-text-2);white-space:nowrap;
}
.anchor-link:hover{color:var(--c-text-1);}
.anchor-link.is-current{color:var(--c-primary);}
.anchor-link.is-current::after{content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;background:var(--c-primary);box-shadow:0 0 12px rgba(47,227,176,.7);}

/* ---------- 分块内容 ---------- */
.block{padding:64px 0;border-bottom:1px solid var(--c-line);}
.block:last-of-type{border-bottom:0;}
.block--alt{background:var(--c-bg-2);}
.block-head{position:sticky;top:calc(var(--nav-h) + 60px);}
.block-num{
  font-family:var(--ff-num);font-variant-numeric:tabular-nums;font-size:14px;font-weight:700;
  color:var(--c-primary);letter-spacing:.08em;
  display:inline-flex;align-items:center;gap:10px;margin-bottom:14px;
}
.block-num::before{content:"";width:2px;height:16px;background:var(--c-primary);display:block;box-shadow:0 0 10px rgba(47,227,176,.7);}
.block-head h2{margin-top:0;margin-bottom:14px;font-size:30px;}
.block-head p{color:var(--c-text-2);margin-bottom:0;}
.row-list{display:flex;flex-direction:column;gap:12px;}
.row-item{
  display:flex;align-items:center;gap:16px;
  background:var(--c-panel);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:18px 20px;min-height:44px;
}
.row-item:hover{border-color:rgba(47,227,176,.35);box-shadow:var(--sh-hover);transform:translateY(-2px);}
.row-item:active{transform:translateY(1px);}
.row-idx{font-family:var(--ff-num);font-variant-numeric:tabular-nums;font-size:14px;color:var(--c-primary);font-weight:700;flex:0 0 auto;width:32px;}
.row-body{flex:1 1 auto;min-width:0;}
.row-body strong{display:block;font-size:17px;font-weight:700;margin-bottom:4px;}
.row-body em{display:block;font-style:normal;font-size:14px;color:var(--c-text-2);}
.row-arrow{flex:0 0 auto;color:var(--c-text-3);font-size:16px;transition:transform var(--ease),color var(--ease);}
.row-item:hover .row-arrow{color:var(--c-primary);transform:translateX(4px);}

/* ---------- 图卡带 ---------- */
.figure-card{
  background:var(--c-panel);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;height:100%;
}
.figure-card:hover{box-shadow:var(--sh-hover);border-color:rgba(47,227,176,.35);transform:translateY(-2px);}
.figure-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;}
.figure-card .thumb img{width:100%;height:100%;object-fit:cover;}
.figure-card .thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,12,18,.1),rgba(10,12,18,.72));}
.figure-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.figure-body h3{font-size:21px;margin:0;}
.figure-body p{color:var(--c-text-2);font-size:15px;margin:0;}
.badge{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  font-size:12px;letter-spacing:.03em;padding:4px 12px;border-radius:999px;
  background:rgba(47,227,176,.12);color:var(--c-primary);border:1px solid rgba(47,227,176,.2);
}
.badge--accent{background:rgba(255,62,127,.12);color:var(--c-accent);border-color:rgba(255,62,127,.24);}
.badge--third{background:rgba(255,194,75,.12);color:var(--c-third);border-color:rgba(255,194,75,.24);}

/* ---------- 提示条 ---------- */
.note{
  background:var(--c-panel);border:1px solid var(--c-line);border-left:3px solid var(--c-primary);
  border-radius:var(--r-card);padding:20px 22px;color:var(--c-text-2);font-size:15px;
}
.note strong{color:var(--c-text-1);}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  background:var(--c-panel);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:18px 20px;
}
.faq-item[open]{border-color:rgba(47,227,176,.32);box-shadow:0 0 22px rgba(47,227,176,.08);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;
  font-size:17px;font-weight:700;color:var(--c-text-1);min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";flex:0 0 auto;width:3px;height:20px;border-radius:2px;background:var(--c-line-strong);
  transition:background-color var(--ease),box-shadow var(--ease);
}
.faq-item[open] summary::before{background:var(--c-primary);box-shadow:0 0 12px rgba(47,227,176,.75);}
.faq-item summary .plus{
  margin-left:auto;flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--c-line-strong);display:grid;place-items:center;
  font-family:var(--ff-num);font-size:16px;color:var(--c-text-2);
  transition:transform var(--ease),border-color var(--ease),color var(--ease);
}
.faq-item[open] summary .plus{transform:rotate(45deg);border-color:var(--c-primary);color:var(--c-primary);}
.faq-answer{padding-top:12px;color:var(--c-text-2);font-size:15.5px;line-height:1.8;}
.faq-answer p{margin-bottom:.8em;}
.faq-answer p:last-child{margin-bottom:0;}

/* ---------- CTA 条 ---------- */
.cta-bar{
  background:var(--c-panel-2);border:1px solid rgba(47,227,176,.3);border-radius:var(--r-panel);
  padding:32px;box-shadow:var(--sh);display:flex;align-items:center;gap:24px;flex-wrap:wrap;justify-content:space-between;
}
.cta-bar h3{margin:0 0 6px;font-size:21px;}
.cta-bar p{margin:0;color:var(--c-text-2);font-size:15px;}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:0;background:var(--c-bg-2);position:relative;}
.site-footer::before{content:"";display:block;height:1px;background:var(--grad-neon-line);}
.footer-grid{padding:64px 0 40px;}
.footer-col{margin-bottom:28px;}
.footer-col .logo{margin-bottom:16px;}
.footer-col h4{font-size:16px;margin-bottom:16px;color:var(--c-text-1);}
.footer-brand p{color:var(--c-text-2);font-size:14px;line-height:1.8;max-width:34ch;}
.footer-list{display:flex;flex-direction:column;gap:10px;}
.footer-list a{color:var(--c-text-2);font-size:14px;}
.footer-list a:hover{color:var(--c-primary);}
.footer-contact{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--c-text-2);}
.footer-contact li span{color:var(--c-text-3);margin-right:10px;}
.footer-bottom{
  border-top:1px solid var(--c-line);padding:22px 0 32px;
  display:flex;flex-wrap:wrap;gap:10px 26px;justify-content:space-between;
}
.footer-bottom p{margin:0;font-size:13px;color:var(--c-text-3);max-width:none;}

/* ---------- 响应式 ---------- */
@media(max-width:1439px){
  .hero-copy h1{font-size:40px;}
}
@media(max-width:1023px){
  :root{--nav-h:58px;}
  .nav-toggle{display:flex;}
  .nav-links{
    position:fixed;top:var(--nav-h);left:0;right:0;bottom:0;
    background:rgba(10,12,18,.98);backdrop-filter:blur(14px);
    flex-direction:column;align-items:stretch;gap:0;padding:18px 24px 32px;
    border-top:1px solid var(--c-line);
    opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
    overflow-y:auto;
  }
  .nav-links.is-open{opacity:1;visibility:visible;transform:none;}
  .nav-link{
    justify-content:space-between;padding:16px 4px;font-size:17px;
    border-bottom:1px solid var(--c-line);min-height:52px;
  }
  .nav-link::before{content:"";}
  .nav-link.is-active::after{left:0;right:auto;width:3px;bottom:14px;top:14px;height:auto;}
  .nav-divider{display:none;}
  .nav-right .btn{padding:12px 18px;font-size:14px;}
  .nav-right .btn span.full{display:none;}
  h1{font-size:28px;}
  .hero-copy h1{font-size:30px;}
  h2{font-size:23px;}
  h3{font-size:18px;}
  body{font-size:15.5px;}
  .section{padding-top:64px;padding-bottom:64px;}
  .hero-banner{min-height:0;}
  .hero-copy{padding:32px 0 8px;}
  .hero-metrics{margin:0 0 32px;}
  .block-head{position:static;}
  .container{padding:0 20px;}
}
@media(max-width:639px){
  :root{--nav-h:58px;}
  .section{padding-top:48px;padding-bottom:48px;}
  .block{padding:44px 0;}
  .container{padding:0 18px;}
  .hero-copy h1{font-size:26px;}
  h1{font-size:28px;}
  h2{font-size:23px;margin-top:40px;}
  .cta-bar{padding:24px;flex-direction:column;align-items:flex-start;}
  .cta-bar .btn{width:100%;}
  .row-item{padding:16px;gap:12px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .footer-grid{padding:48px 0 28px;}
}
@media(prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category2 */
:root{
  --c-bg:#0A0C12;
  --c-bg-2:#0E111A;
  --c-panel:#12161F;
  --c-panel-2:#171C27;
  --c-line:rgba(255,255,255,.08);
  --c-line-strong:rgba(255,255,255,.16);
  --c-primary:#2FE3B0;
  --c-primary-deep:#14B98C;
  --c-accent:#FF3E7F;
  --c-third:#FFC24B;
  --c-text-1:#E8ECF4;
  --c-text-2:#9AA6BA;
  --c-text-3:#6B7688;
  --grad-primary:linear-gradient(120deg,#2FE3B0 0%,#28C7E8 100%);
  --grad-neon-line:linear-gradient(90deg,transparent,rgba(47,227,176,.75),transparent);
  --ff-base:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --ff-num:"Barlow","DIN Alternate",ui-monospace,"SFMono-Regular",Menlo,monospace;
  --r-card:14px;
  --r-panel:16px;
  --r-btn:10px;
  --r-input:10px;
  --r-img:12px;
  --sh-card:0 16px 36px rgba(0,0,0,.45),0 0 0 1px var(--c-line);
  --sh-hover:0 20px 46px rgba(0,0,0,.55),0 0 0 1px rgba(47,227,176,.35),0 0 26px rgba(47,227,176,.16);
  --tr:.22s cubic-bezier(.4,0,.2,1);
  --sec-y:88px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text-1);
  font-family:var(--ff-base);
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.015em;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:var(--c-text-1);text-decoration:none;transition:color var(--tr),border-color var(--tr),opacity var(--tr)}
a:hover{color:var(--c-primary)}
h1,h2,h3,h4,h5{margin:0;color:var(--c-text-1);font-weight:700;line-height:1.3;letter-spacing:.01em}
h1{font-size:44px}
h2{font-size:30px;margin:56px 0 18px}
h3{font-size:21px;margin:0 0 10px}
h4{font-size:17px;margin:0 0 8px}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0 0 14px;padding-left:1.15em}
li{margin-bottom:8px}
li:last-child{margin-bottom:0}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(47,227,176,.4);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--sec-y) 0}
.section--alt{background:var(--c-bg-2);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:34px}
.section-head h2{margin:0}
.section-head .sec-note{color:var(--c-text-2);font-size:14.5px;line-height:1.8;max-width:62ch;margin:0}
.neon-rule{height:1px;background:var(--grad-neon-line);border:0;margin:0}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.12em;color:var(--c-primary);font-family:var(--ff-num);text-transform:uppercase}
.kicker::before{content:"";width:22px;height:2px;background:var(--grad-primary);border-radius:2px}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:14px 26px;border-radius:var(--r-btn);font-size:15px;font-weight:700;letter-spacing:.03em;cursor:pointer;border:1px solid transparent;transition:transform var(--tr),box-shadow var(--tr),background-color var(--tr),color var(--tr),border-color var(--tr);white-space:nowrap}
.btn-primary{background:var(--grad-primary);color:#04140F;box-shadow:0 8px 22px rgba(47,227,176,.18)}
.btn-primary:hover{color:#04140F;transform:translateY(-2px);box-shadow:0 10px 28px rgba(47,227,176,.28),0 0 26px rgba(47,227,176,.22)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:var(--c-line-strong);color:var(--c-text-1)}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{min-height:44px;padding:11px 18px;font-size:14px}
.btn-block{width:100%}

/* ---------- Header / Nav ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(10,12,18,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
.site-header::after{content:"";display:block;height:1px;background:var(--grad-neon-line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:22px;height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;letter-spacing:.02em;color:var(--c-text-1)}
.logo:hover{color:var(--c-text-1)}
.logo-mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;background:var(--grad-primary);color:#04140F;font-family:var(--ff-num);font-size:14px;font-weight:700;letter-spacing:.02em}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-link{position:relative;display:inline-flex;align-items:center;height:44px;padding:0 14px;border-radius:8px;color:var(--c-text-2);font-size:15px;font-weight:500;letter-spacing:.03em}
.nav-link:hover{color:var(--c-text-1);background:rgba(255,255,255,.04)}
.nav-link.is-active{color:var(--c-primary);text-shadow:0 0 12px rgba(47,227,176,.45)}
.nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;border-radius:2px;background:var(--grad-primary);box-shadow:0 0 12px rgba(47,227,176,.6)}
.nav-right{display:flex;align-items:center;gap:16px}
.nav-divider{width:1px;height:26px;background:var(--c-line-strong)}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--c-line-strong);background:transparent;border-radius:10px;cursor:pointer;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:4px}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-text-1);border-radius:2px;transition:transform var(--tr),opacity var(--tr)}

/* ---------- Breadcrumb ---------- */
.crumbs{padding:24px 0 0;font-size:14px;color:var(--c-text-3)}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;margin:0;padding:0}
.crumbs li{margin:0;display:inline-flex;align-items:center;gap:8px}
.crumbs li+li::before{content:"›";color:var(--c-text-3)}
.crumbs a{color:var(--c-text-3)}
.crumbs a:hover{color:var(--c-primary)}
.crumbs .current{color:var(--c-primary);font-weight:500}

/* ---------- Page head ---------- */
.page-head{position:relative;padding:0 0 42px;background:
  linear-gradient(180deg,rgba(10,12,18,.2),rgba(10,12,18,1)),
  radial-gradient(680px 300px at 88% -10%,rgba(47,227,176,.10),transparent 70%),
  var(--c-bg);}
.page-head::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--grad-neon-line)}
.head-row{margin-top:30px;row-gap:26px}
.head-title h1{font-size:44px;margin-bottom:16px}
.head-title h1 span{color:var(--c-primary)}
.head-lead{color:var(--c-text-2);font-size:16.5px;max-width:62ch;margin:0}
.head-stats{display:grid;grid-template-columns:1fr 1fr;background:var(--c-panel);border-radius:var(--r-panel);box-shadow:var(--sh-card);overflow:hidden}
.head-stat{padding:22px 20px;border-left:1px solid var(--c-line)}
.head-stat:first-child{border-left:0}
.head-stat .num{display:block;font-family:var(--ff-num);font-size:38px;font-weight:700;color:var(--c-primary);line-height:1.1;font-variant-numeric:tabular-nums}
.head-stat .num .unit{font-size:15px;color:var(--c-text-2);margin-left:4px;font-weight:500}
.head-stat p{margin:8px 0 0;font-size:13.5px;color:var(--c-text-3);line-height:1.7}

/* ---------- Layout: sidebar + content ---------- */
.layout{padding:56px 0 0}
.layout-row{row-gap:34px}
.toc-card{position:sticky;top:96px;background:var(--c-panel);border-radius:var(--r-panel);box-shadow:var(--sh-card);padding:22px 20px;overflow:hidden}
.toc-card::before{content:"";position:absolute;top:0;left:0;width:2px;height:44px;background:var(--grad-primary);border-radius:2px}
.toc-card h2{font-size:15px;letter-spacing:.14em;color:var(--c-text-3);font-family:var(--ff-num);margin:0 0 14px;text-transform:uppercase;font-weight:700}
.toc-list{list-style:none;margin:0 0 20px;padding:0}
.toc-list li{margin:0 0 4px}
.toc-list a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;color:var(--c-text-2);font-size:14.5px;border-left:2px solid transparent}
.toc-list a:hover{background:rgba(255,255,255,.04);color:var(--c-text-1)}
.toc-list a.is-current{color:var(--c-primary);background:rgba(47,227,176,.08);border-left-color:var(--c-primary);box-shadow:inset 0 0 0 1px rgba(47,227,176,.18)}
.toc-list .idx{font-family:var(--ff-num);font-size:12.5px;color:var(--c-text-3);font-variant-numeric:tabular-nums}
.toc-list a.is-current .idx{color:var(--c-primary)}

/* ---------- Long content ---------- */
.doc-body{max-width:820px}
.doc-block{padding:38px 0;border-bottom:1px solid var(--c-line)}
.doc-block:first-child{padding-top:0}
.doc-block:last-child{border-bottom:0;padding-bottom:0}
.doc-block h2{margin:0 0 16px;display:flex;align-items:baseline;gap:12px}
.doc-block h2 .idx{font-family:var(--ff-num);font-size:15px;color:var(--c-primary);letter-spacing:.08em;font-variant-numeric:tabular-nums}
.doc-block h3{margin:26px 0 10px}
.doc-lead{color:var(--c-text-2);font-size:16.5px;max-width:62ch}
.doc-body p{color:var(--c-text-2);max-width:62ch}
.doc-body strong{color:var(--c-text-1)}

.check-list{list-style:none;padding:0;margin:18px 0 0}
.check-list li{position:relative;padding-left:28px;color:var(--c-text-2);margin-bottom:12px}
.check-list li::before{content:"";position:absolute;left:0;top:11px;width:14px;height:2px;background:var(--grad-primary);border-radius:2px}

.figure-card{background:var(--c-panel);border-radius:var(--r-panel);box-shadow:var(--sh-card);overflow:hidden;margin:24px 0 0}
.figure-card img{width:100%;aspect-ratio:16/7;border-radius:0}
.figure-card figcaption{padding:16px 20px;font-size:13.5px;color:var(--c-text-3);border-top:1px solid var(--c-line)}

/* ---------- Timeline ---------- */
.timeline{position:relative;margin-top:8px;padding-left:34px}
.timeline::before{content:"";position:absolute;left:11px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--c-primary),rgba(47,227,176,.05))}
.tl-item{position:relative;padding-bottom:30px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{position:absolute;left:-34px;top:2px;width:24px;height:24px;border-radius:50%;border:2px solid var(--c-primary);background:var(--c-bg);color:var(--c-primary);font-family:var(--ff-num);font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;box-shadow:0 0 16px rgba(47,227,176,.28)}
.tl-item h3{font-size:18px;margin-bottom:8px}
.tl-item p{color:var(--c-text-2);font-size:15.5px;margin-bottom:6px}
.tl-thumb{margin-top:14px;border-radius:var(--r-img);overflow:hidden;box-shadow:0 0 0 1px var(--c-line)}
.tl-thumb img{width:100%;aspect-ratio:16/6}
.tl-thumb figcaption{font-size:12.5px;color:var(--c-text-3);padding:8px 4px 0}

/* ---------- Matrix ---------- */
.matrix{margin-top:22px;border-radius:var(--r-card);overflow:hidden;box-shadow:0 0 0 1px var(--c-line)}
.matrix-row{display:grid;grid-template-columns:1.25fr 1fr 1fr 1fr;align-items:center;background:var(--c-panel);border-top:1px solid var(--c-line)}
.matrix-row:first-child{border-top:0}
.matrix-row.matrix-head{background:var(--c-bg-2)}
.matrix-row.matrix-head .matrix-cell{font-size:12.5px;letter-spacing:.1em;color:var(--c-text-3);font-family:var(--ff-num);text-transform:uppercase}
.matrix-cell{padding:15px 16px;font-size:14.5px;color:var(--c-text-2);border-left:1px solid var(--c-line);min-width:0}
.matrix-cell:first-child{border-left:0;color:var(--c-text-1);font-weight:500}
.matrix-cell.is-hit{color:var(--c-primary);background:rgba(47,227,176,.10);font-weight:700}

/* ---------- FAQ ---------- */
.faq-list{margin-top:8px}
.faq-item{background:var(--c-panel);border-radius:var(--r-card);box-shadow:0 0 0 1px var(--c-line);margin-bottom:12px;overflow:hidden;border-left:3px solid var(--c-line-strong);transition:border-color var(--tr),box-shadow var(--tr)}
.faq-item[open]{border-left-color:var(--c-primary);box-shadow:0 0 0 1px rgba(47,227,176,.24),0 0 26px rgba(47,227,176,.10)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;font-size:16px;font-weight:700;color:var(--c-text-1)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .plus{flex:0 0 auto;width:22px;height:22px;position:relative;border-radius:50%;border:1px solid var(--c-line-strong);transition:transform var(--tr),border-color var(--tr)}
.faq-item summary .plus::before,.faq-item summary .plus::after{content:"";position:absolute;background:var(--c-text-2);left:50%;top:50%;border-radius:2px}
.faq-item summary .plus::before{width:10px;height:1.5px;transform:translate(-50%,-50%)}
.faq-item summary .plus::after{width:1.5px;height:10px;transform:translate(-50%,-50%)}
.faq-item[open] summary .plus{transform:rotate(45deg);border-color:var(--c-primary)}
.faq-item[open] summary .plus::before,.faq-item[open] summary .plus::after{background:var(--c-primary)}
.faq-body{padding:0 20px 20px;color:var(--c-text-2);font-size:15.5px;line-height:1.85}
.faq-body p{margin:0 0 12px;color:var(--c-text-2)}
.faq-body p:last-child{margin-bottom:0}

/* ---------- Conclusion + form ---------- */
.conclusion{background:var(--c-panel-2);border-radius:var(--r-panel);box-shadow:0 0 0 1px rgba(47,227,176,.22);padding:30px 28px;margin-top:34px}
.conclusion h3{font-size:20px;margin-bottom:10px}
.conclusion p{color:var(--c-text-2);margin-bottom:0;max-width:62ch}

.mini-form{margin-top:30px;background:var(--c-panel);border-radius:var(--r-panel);box-shadow:var(--sh-card);padding:26px 22px}
.mini-form .form-grid{display:grid;grid-template-columns:1fr 1fr auto;gap:14px;align-items:end}
.field{display:flex;flex-direction:column;gap:8px;min-width:0}
.field label{font-size:13px;color:var(--c-text-2);letter-spacing:.03em}
.field label .req{color:var(--c-primary)}
.field input{width:100%;background:#0F1320;border:1px solid var(--c-line-strong);border-radius:var(--r-input);padding:14px 16px;color:var(--c-text-1);font-size:15px;font-family:inherit;transition:border-color var(--tr),box-shadow var(--tr)}
.field input::placeholder{color:var(--c-text-3)}
.field input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(47,227,176,.16)}
.form-note{margin:14px 0 0;font-size:12px;color:var(--c-text-3);line-height:1.7}

/* ---------- CTA band ---------- */
.cta-band{margin:0;padding:0 0 var(--sec-y)}
.cta-inner{position:relative;background:var(--c-panel-2);border-radius:var(--r-panel);box-shadow:0 0 0 1px rgba(47,227,176,.22),0 20px 48px rgba(0,0,0,.5);padding:36px 34px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;overflow:hidden}
.cta-inner::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:24px 24px;opacity:.5;pointer-events:none}
.cta-inner > *{position:relative}
.cta-inner h3{font-size:22px;margin-bottom:8px}
.cta-inner p{color:var(--c-text-2);margin:0;max-width:56ch;font-size:15px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- Footer ---------- */
.site-footer{position:relative;background:var(--c-bg-2);padding:64px 0 26px}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:var(--grad-neon-line)}
.footer-grid{row-gap:30px}
.footer-col h4{font-size:14px;letter-spacing:.1em;color:var(--c-text-3);margin-bottom:16px;font-family:var(--ff-num);text-transform:uppercase}
.footer-brand p{margin:16px 0 0;color:var(--c-text-2);font-size:14.5px;line-height:1.8;max-width:34ch}
.footer-list{display:flex;flex-direction:column;gap:10px}
.footer-list a{color:var(--c-text-2);font-size:14.5px;width:fit-content}
.footer-list a:hover{color:var(--c-primary)}
.footer-contact{list-style:none;margin:0;padding:0}
.footer-contact li{color:var(--c-text-2);font-size:14.5px;margin-bottom:10px;display:flex;gap:10px;flex-wrap:wrap}
.footer-contact li span{color:var(--c-text-3);min-width:56px}
.footer-bottom{margin-top:44px;padding-top:20px;border-top:1px solid var(--c-line);display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between}
.footer-bottom p{margin:0;font-size:13px;color:var(--c-text-3)}

/* ---------- Reveal ---------- */
.reveal-up{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}
.reveal-up.is-in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (min-width:1440px){
  .container{max-width:1280px}
}
@media (max-width:1023px){
  :root{--sec-y:64px}
  h1{font-size:34px}
  .head-title h1{font-size:34px}
  h2{font-size:25px;margin-top:56px}
  .nav-links{
    position:fixed;top:58px;left:0;right:0;bottom:0;z-index:60;
    flex-direction:column;align-items:stretch;gap:0;
    background:rgba(10,12,18,.98);padding:18px 22px 34px;
    transform:translateY(-12px);opacity:0;pointer-events:none;
    transition:opacity var(--tr),transform var(--tr);overflow-y:auto;
  }
  body.nav-open .nav-links{opacity:1;transform:none;pointer-events:auto}
  .nav-link{height:auto;padding:16px 4px;font-size:17px;justify-content:space-between;border-bottom:1px solid var(--c-line);border-radius:0}
  .nav-link::after{content:"›";font-size:20px;color:var(--c-text-3)}
  .nav-link.is-active::after{content:"›";color:var(--c-primary);background:none;box-shadow:none;position:static;height:auto;width:auto;left:auto;right:auto;bottom:auto;text-shadow:none}
  .nav-toggle{display:inline-flex}
  .nav-divider{display:none}
  .nav-right .btn{display:none}
  body.nav-open{overflow:hidden}
  .toc-card{position:static;display:flex;flex-direction:column}
  .toc-list{display:flex;gap:8px;overflow-x:auto;padding-bottom:6px;-webkit-overflow-scrolling:touch}
  .toc-list li{flex:0 0 auto;margin:0}
  .toc-list a{border-left:0;border-bottom:2px solid transparent;border-radius:8px;white-space:nowrap}
  .toc-list a.is-current{border-left:0;border-bottom-color:var(--c-primary)}
  .head-stats{grid-template-columns:1fr 1fr}
  .mini-form .form-grid{grid-template-columns:1fr 1fr;align-items:stretch}
  .mini-form .form-grid .btn{grid-column:1 / -1}
}
@media (max-width:767px){
  :root{--sec-y:48px}
  body{font-size:15.5px}
  h1{font-size:28px}
  .head-title h1{font-size:28px}
  h2{font-size:23px}
  h3{font-size:18px}
  h4{font-size:16px}
  .container{padding:0 18px}
  .doc-body{max-width:100%}
  .head-stats{grid-template-columns:1fr}
  .head-stat{border-left:0;border-top:1px solid var(--c-line)}
  .head-stat:first-child{border-top:0}
  .matrix-row{display:block;background:var(--c-panel);padding:14px 16px;border-top:1px solid var(--c-line)}
  .matrix-row.matrix-head{display:none}
  .matrix-cell{border-left:0;padding:6px 0;display:flex;gap:12px;justify-content:space-between;align-items:flex-start}
  .matrix-cell::before{content:attr(data-label);color:var(--c-text-3);font-size:12.5px;flex:0 0 40%;letter-spacing:.04em}
  .matrix-cell:first-child{padding-top:0;font-size:16px}
  .matrix-cell:first-child::before{display:none}
  .matrix-cell.is-hit{background:transparent;padding-left:0}
  .mini-form .form-grid{grid-template-columns:1fr}
  .cta-inner{padding:26px 20px}
  .conclusion{padding:24px 20px}
  .timeline{padding-left:30px}
  .tl-dot{left:-30px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  .reveal-up{opacity:1;transform:none}
}