/* roulang page: index */
:root{
  --bg-0:#06090F;
  --bg-1:#0B1119;
  --bg-2:#111A25;
  --primary:#2BE3C4;
  --primary-deep:#12B79C;
  --violet:#7C5CFF;
  --amber:#FFB020;
  --success:#2BD97C;
  --error:#FF5C6C;
  --text:#EAF2F6;
  --muted:#A9B7C4;
  --faint:#6F7E8C;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --glass:rgba(255,255,255,.05);
  --glass-border:rgba(255,255,255,.09);
  --radius-sm:12px;
  --radius:16px;
  --radius-lg:20px;
  --radius-xl:24px;
  --shadow:0 20px 48px -24px rgba(0,0,0,.85);
  --glow:0 0 28px -6px rgba(43,227,196,.45);
  --container:1200px;
  --ease:160ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg-0);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{line-height:1.3;font-weight:700}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
::selection{background:rgba(43,227,196,.28);color:#fff}

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

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  letter-spacing:.3px;
  cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease),opacity var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,#38F0D2,#2BE3C4 55%,#1ACBAE);
  color:#04120F;
  box-shadow:0 0 0 1px rgba(43,227,196,.35),0 0 28px -6px rgba(43,227,196,.45);
}
.btn-primary:hover{
  transform:translateY(-1px);
  box-shadow:0 0 0 1px rgba(43,227,196,.55),0 0 34px -4px rgba(43,227,196,.6);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(43,227,196,.45),0 0 18px -8px rgba(43,227,196,.5)}
.btn-ghost{
  background:rgba(255,255,255,.04);
  border-color:rgba(255,255,255,.14);
  color:var(--text);
  backdrop-filter:blur(10px);
}
.btn-ghost:hover{
  transform:translateY(-1px);
  border-color:rgba(43,227,196,.45);
  color:#fff;
  box-shadow:0 0 24px -10px rgba(43,227,196,.5);
}
.btn-ghost:active{transform:translateY(0)}
.btn-block{width:100%}
.btn-sm{height:40px;padding:0 20px;font-size:14px}

.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:24px;
  padding:0 10px;
  border-radius:999px;
  font-size:12px;
  font-weight:500;
  line-height:1;
  color:var(--primary);
  background:rgba(43,227,196,.1);
  border:1px solid rgba(43,227,196,.28);
  white-space:nowrap;
}
.badge::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 8px rgba(43,227,196,.9);
}
.badge-amber{color:var(--amber);background:rgba(255,176,32,.1);border-color:rgba(255,176,32,.3)}
.badge-amber::before{background:var(--amber);box-shadow:0 0 8px rgba(255,176,32,.9)}
.badge-muted{color:var(--muted);background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.12)}
.badge-muted::before{background:var(--faint);box-shadow:none}

.badge-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;height:26px;
  border-radius:8px;
  font-family:"DIN Alternate","Barlow",ui-monospace,monospace;
  font-size:13px;font-weight:700;letter-spacing:.5px;
  color:var(--primary);
  background:rgba(43,227,196,.12);
  border:1px solid rgba(43,227,196,.3);
}

.section{padding:96px 0;position:relative}
.section-head{margin-bottom:48px;max-width:760px}
.section-head h2{font-size:clamp(24px,2.6vw,34px);margin-top:14px}
.section-head .lead{color:var(--muted);font-size:15px;margin-top:12px;max-width:620px}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);font-size:14px;font-weight:600;
  transition:color var(--ease),gap var(--ease);
}
.text-link:hover{color:#63F2DC;gap:10px}

.glass{
  background:var(--glass);
  border:1px solid var(--glass-border);
  border-radius:var(--radius);
  backdrop-filter:blur(14px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow);
}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:background 240ms ease,backdrop-filter 240ms ease,border-color 240ms ease,box-shadow 240ms ease;
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(8,12,18,.72);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
  box-shadow:0 12px 32px -24px rgba(0,0,0,.9);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:28px;
  height:64px;
  transition:height 240ms ease;
}
.site-header.is-scrolled .header-inner{height:56px}
.logo{
  display:flex;align-items:center;gap:10px;
  flex-shrink:0;
}
.logo-mark{
  display:flex;align-items:center;justify-content:center;
  width:34px;height:34px;
  border-radius:11px;
  background:linear-gradient(140deg,rgba(43,227,196,.22),rgba(124,92,255,.22));
  border:1px solid rgba(43,227,196,.35);
  box-shadow:0 0 20px -8px rgba(43,227,196,.8);
}
.logo-mark svg{width:20px;height:20px;display:block}
.logo-text{display:flex;flex-direction:column;line-height:1.1}
.logo-text strong{font-size:16px;font-weight:700;letter-spacing:.5px}
.logo-text em{
  font-style:normal;font-size:11px;letter-spacing:2px;
  color:var(--muted);margin-top:3px;
}
.main-nav{
  display:flex;align-items:center;gap:4px;
  margin-left:8px;
  flex:1;
  min-width:0;
}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  height:64px;
  padding:0 12px;
  font-size:14.5px;
  color:var(--muted);
  white-space:nowrap;
  transition:color var(--ease);
}
.site-header.is-scrolled .nav-link{height:56px}
.nav-link::after{
  content:"";
  position:absolute;left:12px;right:12px;bottom:14px;
  height:2px;border-radius:2px;
  background:var(--primary);
  opacity:0;transform:scaleX(.4);
  box-shadow:0 0 10px rgba(43,227,196,.9);
  transition:opacity var(--ease),transform var(--ease);
}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after{opacity:.5;transform:scaleX(1)}
.nav-link.is-active{color:var(--text);font-weight:600}
.nav-link.is-active::after{opacity:1;transform:scaleX(1)}

.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.search-box{
  display:flex;align-items:center;gap:8px;
  height:38px;
  padding:0 12px;
  border-radius:10px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line-strong);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.search-box:focus-within{
  border-color:rgba(43,227,196,.55);
  box-shadow:0 0 0 3px rgba(43,227,196,.16);
}
.search-box svg{width:15px;height:15px;flex-shrink:0;color:var(--faint)}
.search-box input{
  width:132px;
  border:none;background:transparent;outline:none;
  font-size:13.5px;color:var(--text);
}
.search-box input::placeholder{color:var(--faint)}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border-radius:10px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line-strong);
  cursor:pointer;
}
.nav-toggle span{
  display:block;width:18px;height:2px;border-radius:2px;
  background:var(--text);position:relative;
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--text);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;z-index:200;
  background:rgba(3,6,10,.72);
  backdrop-filter:blur(6px);
  opacity:0;visibility:hidden;
  transition:opacity 220ms ease,visibility 220ms ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:201;
  width:86vw;max-width:400px;
  padding:24px 20px calc(24px + env(safe-area-inset-bottom));
  background:rgba(11,17,25,.94);
  backdrop-filter:blur(18px);
  border-left:1px solid var(--line);
  transform:translateX(100%);
  transition:transform 260ms cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;gap:20px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{
  width:44px;height:44px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line-strong);
  font-size:20px;line-height:1;cursor:pointer;color:var(--text);
}
.drawer-list{display:flex;flex-direction:column}
.drawer-list a{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;padding:0 4px;
  font-size:15px;color:var(--muted);
  border-bottom:1px solid var(--line);
  transition:color var(--ease);
}
.drawer-list a:hover,.drawer-list a.is-active{color:var(--primary)}
.drawer-search{
  display:flex;align-items:center;gap:8px;
  height:46px;padding:0 14px;
  border-radius:12px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line-strong);
}
.drawer-search input{flex:1;border:none;background:transparent;outline:none;font-size:14px}
.drawer-note{font-size:12px;color:var(--faint);line-height:1.7;margin-top:auto;padding-top:16px;border-top:1px solid var(--line)}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding-top:128px;
  padding-bottom:88px;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  top:-260px;right:-160px;
  width:1100px;height:760px;
  background:radial-gradient(closest-side,rgba(43,227,196,.16),transparent 70%);
  pointer-events:none;
}
.hero::after{
  content:"";
  position:absolute;
  top:120px;left:-220px;
  width:720px;height:600px;
  background:radial-gradient(closest-side,rgba(124,92,255,.12),transparent 72%);
  pointer-events:none;
}
.hero-inner{
  position:relative;z-index:1;
  display:grid;
  grid-template-columns:54fr 46fr;
  gap:48px;
  align-items:center;
}
.hero-copy h1{
  font-size:clamp(30px,4.6vw,52px);
  line-height:1.15;
  letter-spacing:-.5px;
  font-weight:700;
}
.hero-copy h1 .accent{
  background:linear-gradient(100deg,#2BE3C4,#7C5CFF 92%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-sub{
  margin-top:20px;
  max-width:620px;
  font-size:16.5px;
  color:var(--muted);
  line-height:1.85;
}
.hero-actions{
  display:flex;align-items:center;gap:14px;
  margin-top:32px;flex-wrap:wrap;
}
.hero-badges{
  display:flex;align-items:center;gap:10px;
  margin-top:28px;flex-wrap:wrap;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:7px;
  height:30px;padding:0 14px;
  border-radius:999px;
  font-size:12.5px;
  color:var(--muted);
  background:rgba(255,255,255,.045);
  border:1px solid var(--line-strong);
  backdrop-filter:blur(8px);
}
.hero-badge i{
  width:6px;height:6px;border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 8px rgba(43,227,196,.9);
  display:inline-block;
}
.hero-badge b{color:var(--text);font-weight:600}

.hero-visual{position:relative}
.visual-frame{
  position:relative;
  padding:10px;
  border-radius:var(--radius-xl);
  background:linear-gradient(160deg,rgba(255,255,255,.1),rgba(124,92,255,.16) 58%,rgba(43,227,196,.14));
  box-shadow:0 0 60px -20px rgba(43,227,196,.5),var(--shadow);
}
.visual-img{
  position:relative;
  border-radius:16px;
  overflow:hidden;
  aspect-ratio:4/3.1;
  background:var(--bg-2);
}
.visual-img img{width:100%;height:100%;object-fit:cover;opacity:.92}
.visual-img::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,9,15,.05),rgba(6,9,15,.55));
}
.visual-wave{
  position:absolute;left:0;right:0;bottom:6px;
  height:70px;opacity:.12;pointer-events:none;
}
.float-card{
  position:absolute;
  display:flex;flex-direction:column;gap:2px;
  padding:12px 16px;
  border-radius:14px;
  background:rgba(11,17,25,.82);
  border:1px solid rgba(255,255,255,.12);
  backdrop-filter:blur(14px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.09),0 18px 40px -24px rgba(0,0,0,.9);
}
.float-card .fc-num{
  font-family:"DIN Alternate","Barlow",ui-monospace,monospace;
  font-size:22px;font-weight:700;color:var(--amber);letter-spacing:.5px;line-height:1.2;
}
.float-card .fc-num i{font-style:normal;font-size:12px;color:var(--muted);margin-left:2px}
.float-card .fc-label{font-size:11.5px;color:var(--muted);white-space:nowrap}
.float-a{top:22px;left:-22px}
.float-b{bottom:26px;right:-18px}

/* ---------- 痛点 ---------- */
.pain-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}
.pain-card{
  position:relative;
  padding:26px 26px 26px 32px;
  border-radius:var(--radius);
  background:var(--glass);
  border:1px solid var(--glass-border);
  backdrop-filter:blur(14px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
  transition:border-color var(--ease),transform var(--ease);
}
.pain-card::before{
  content:"";
  position:absolute;left:0;top:26px;bottom:26px;width:2px;
  border-radius:2px;
  background:linear-gradient(180deg,var(--primary),rgba(43,227,196,0));
  box-shadow:0 0 12px rgba(43,227,196,.7);
}
.pain-card h3{font-size:18px;font-weight:600;line-height:1.5}
.pain-card p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.75}
.pain-card:hover{border-color:rgba(43,227,196,.35);transform:translateY(-2px)}

/* ---------- 方案砖墙 ---------- */
.solution-wall{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:24px;
  align-items:start;
}
.solution-col{display:grid;gap:24px}
.solution-card{
  position:relative;
  display:flex;flex-direction:column;
  padding:30px;
  border-radius:var(--radius-lg);
  background:var(--glass);
  border:1px solid var(--glass-border);
  backdrop-filter:blur(14px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.solution-card:hover{
  transform:translateY(-2px);
  border-color:rgba(43,227,196,.45);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.1),0 0 28px -6px rgba(43,227,196,.4),var(--shadow);
}
.solution-card h3{font-size:20px;margin-top:16px}
.solution-card .sc-summary{margin-top:12px;font-size:14.5px;color:var(--muted);line-height:1.8}
.solution-card .sc-list{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.solution-card .sc-list li{
  position:relative;padding-left:16px;
  font-size:14px;color:var(--muted);line-height:1.7;
}
.solution-card .sc-list li::before{
  content:"";position:absolute;left:0;top:9px;
  width:6px;height:6px;border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 8px rgba(43,227,196,.85);
}
.solution-card .text-link{margin-top:22px;font-size:13.5px}
.solution-media{
  border-radius:var(--radius-sm);
  overflow:hidden;
  margin-top:22px;
  aspect-ratio:16/8;
  border:1px solid var(--line);
}
.solution-media img{width:100%;height:100%;object-fit:cover}
.solution-card.is-large{padding:34px}
.solution-card.is-large h3{font-size:22px}

/* ---------- 数据 ---------- */
.stats{
  background:
    radial-gradient(700px 320px at 50% 0%,rgba(43,227,196,.1),transparent 70%),
    var(--bg-1);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:8px;
}
.stat{
  position:relative;
  padding:8px 24px;
  text-align:left;
}
.stat + .stat::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:1px;
  background:var(--line-strong);
}
.stat-num{
  font-family:"DIN Alternate","Barlow",ui-monospace,monospace;
  font-size:clamp(32px,3.6vw,44px);
  font-weight:700;
  color:var(--amber);
  line-height:1.1;
  letter-spacing:.5px;
}
.stat-num span{font-size:15px;color:var(--muted);margin-left:4px;font-weight:500;letter-spacing:0}
.stat p{margin-top:10px;font-size:13px;color:var(--muted);line-height:1.7}

/* ---------- 频道卡 ---------- */
.channel-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
}
.channel-card{
  display:flex;flex-direction:column;
  border-radius:var(--radius-lg);
  overflow:hidden;
  background:var(--bg-2);
  border:1px solid var(--glass-border);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.07),var(--shadow);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.channel-card:hover{
  transform:translateY(-3px);
  border-color:rgba(43,227,196,.45);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.1),0 0 28px -6px rgba(43,227,196,.4),var(--shadow);
}
.channel-cover{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
}
.channel-cover img{width:100%;height:100%;object-fit:cover;transition:transform 420ms ease}
.channel-card:hover .channel-cover img{transform:scale(1.04)}
.channel-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,9,15,.05),rgba(6,9,15,.72));
}
.channel-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.channel-body h3{font-size:16.5px;line-height:1.45}
.channel-body p{font-size:13px;color:var(--muted);line-height:1.7}
.channel-body .text-link{margin-top:auto;padding-top:10px;font-size:13px}

/* ---------- 最新信息 ---------- */
.news-grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:24px;
  align-items:start;
}
.news-main{
  display:flex;flex-direction:column;
  border-radius:var(--radius-lg);
  overflow:hidden;
  background:var(--glass);
  border:1px solid var(--glass-border);
  backdrop-filter:blur(14px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.news-main:hover{
  transform:translateY(-2px);
  border-color:rgba(43,227,196,.45);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.1),0 0 28px -6px rgba(43,227,196,.4),var(--shadow);
}
.news-main-cover{aspect-ratio:16/9;overflow:hidden;background:var(--bg-2)}
.news-main-cover img{width:100%;height:100%;object-fit:cover}
.news-main-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px}
.news-main-body h3{
  font-size:19px;
  line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-main-body p{
  font-size:14px;color:var(--muted);line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--faint);
}
.news-meta .arrow{color:var(--primary);font-size:16px;transition:transform var(--ease)}
.news-main:hover .news-meta .arrow{transform:translateX(4px)}
.news-list{display:flex;flex-direction:column;border-radius:var(--radius);overflow:hidden}
.news-row{
  position:relative;
  display:flex;align-items:center;gap:12px;
  min-height:56px;
  padding:10px 16px;
  border-bottom:1px solid var(--line);
  background:rgba(255,255,255,.025);
  transition:background var(--ease);
}
.news-row:last-child{border-bottom:none}
.news-row::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:3px;
  background:var(--primary);opacity:0;transition:opacity var(--ease);
  box-shadow:0 0 10px rgba(43,227,196,.8);
}
.news-row:hover{background:rgba(43,227,196,.06)}
.news-row:hover::before{opacity:1}
.news-row-title{
  flex:1;min-width:0;
  font-size:14.5px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  color:var(--text);
}
.news-row time{font-size:12.5px;color:var(--faint);flex-shrink:0}
.news-empty{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  padding:56px 24px;
  border:1px dashed var(--line-strong);
  border-radius:var(--radius-lg);
  text-align:center;
  background:rgba(255,255,255,.02);
}
.news-empty svg{width:52px;height:26px;opacity:.5;color:var(--primary)}
.news-empty p{font-size:14.5px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-panel{
  border-radius:var(--radius-lg);
  background:var(--glass);
  border:1px solid var(--glass-border);
  backdrop-filter:blur(14px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow);
  padding:6px 28px;
}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:none}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:64px;padding:16px 0;
  font-size:16px;font-weight:600;
  cursor:pointer;list-style:none;
  transition:color var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";
  flex-shrink:0;
  width:24px;height:24px;
  display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:400;line-height:1;
  color:var(--muted);
  transition:transform var(--ease),color var(--ease);
}
.faq-item[open] summary{color:var(--primary)}
.faq-item[open] summary::after{transform:rotate(45deg);color:var(--primary)}
.faq-item summary:hover{color:var(--primary)}
.faq-answer{
  max-width:720px;
  padding:0 0 22px;
  font-size:15px;line-height:1.8;
  color:var(--muted);
}

/* ---------- 表单 ---------- */
.lead-wrap{
  display:grid;
  grid-template-columns:1fr 1.05fr;
  gap:48px;
  align-items:start;
}
.lead-copy h2{font-size:clamp(24px,2.6vw,34px);margin-top:14px}
.lead-points{margin-top:28px;display:flex;flex-direction:column;gap:16px}
.lead-points li{
  position:relative;padding-left:26px;
  font-size:15px;color:var(--muted);line-height:1.75;
}
.lead-points li::before{
  content:"";position:absolute;left:0;top:8px;
  width:8px;height:8px;border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 10px rgba(43,227,196,.9);
}
.lead-points li b{color:var(--text);font-weight:600}

.form-card{
  padding:32px;
  border-radius:var(--radius-lg);
  background:rgba(17,26,37,.72);
  border:1px solid var(--glass-border);
  backdrop-filter:blur(16px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.09),var(--shadow);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.field label{font-size:13px;color:var(--muted)}
.field label .req{color:var(--primary);margin-left:2px}
.field input[type=text],
.field input[type=tel],
.field input[type=email],
.field textarea{
  width:100%;
  min-height:48px;
  padding:12px 14px;
  border-radius:var(--radius-sm);
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.12);
  color:var(--text);
  font-size:14.5px;
  outline:none;
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.field textarea{min-height:112px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:var(--faint)}
.field input:focus,.field textarea:focus{
  border-color:rgba(43,227,196,.65);
  box-shadow:0 0 0 3px rgba(43,227,196,.18);
  background:rgba(255,255,255,.06);
}
.chip-group{display:flex;flex-wrap:wrap;gap:10px}
.chip{position:relative;display:inline-flex}
.chip input{position:absolute;opacity:0;width:1px;height:1px}
.chip span{
  display:inline-flex;align-items:center;justify-content:center;
  height:38px;padding:0 16px;
  border-radius:999px;
  font-size:13.5px;color:var(--muted);
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.12);
  cursor:pointer;
  transition:all var(--ease);
}
.chip input:checked + span{
  color:#04120F;
  background:linear-gradient(135deg,#38F0D2,#2BE3C4);
  border-color:transparent;
  box-shadow:0 0 20px -6px rgba(43,227,196,.7);
}
.chip input:focus-visible + span{outline:2px solid var(--primary);outline-offset:2px}
.chip span:hover{border-color:rgba(43,227,196,.45);color:var(--text)}
.check-line{display:flex;align-items:flex-start;gap:10px;margin:4px 0 20px;font-size:12.5px;color:var(--muted);line-height:1.7}
.check-line input{margin-top:4px;width:16px;height:16px;accent-color:var(--primary);flex-shrink:0}
.check-line a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.form-note{font-size:12px;color:var(--faint);line-height:1.7;margin-top:14px}
.form-msg{display:none;margin-top:14px;font-size:13px;color:var(--success)}
.form-msg.is-visible{display:block}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  padding:72px 0 0;
  background:var(--bg-1);
  border-top:1px solid var(--line);
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;top:-200px;left:50%;transform:translateX(-50%);
  width:900px;height:400px;
  background:radial-gradient(closest-side,rgba(43,227,196,.08),transparent 70%);
  pointer-events:none;
}
.footer-grid{
  position:relative;z-index:1;
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:56px;
}
.footer-brand .logo{margin-bottom:18px}
.footer-brand p{font-size:14px;color:var(--muted);line-height:1.8;max-width:340px}
.footer-contact{margin-top:18px;font-size:13.5px;color:var(--faint);line-height:1.9}
.footer-col h4{font-size:14px;font-weight:600;margin-bottom:16px;color:var(--text)}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14px;color:var(--muted);transition:color var(--ease)}
.footer-col a:hover{color:var(--primary)}
.footer-col p{font-size:13.5px;color:var(--muted);line-height:1.8}
.footer-bottom{
  position:relative;z-index:1;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0 28px;
  border-top:1px solid var(--line);
  font-size:13px;color:var(--faint);
}
.footer-bottom span{line-height:1.7}

/* ---------- 动效 ---------- */
.fade-up{opacity:0;transform:translateY(12px);transition:opacity 300ms ease,transform 300ms ease}
.fade-up.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .fade-up{opacity:1;transform:none}
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:1080px}
  .solution-wall{grid-template-columns:6fr 5fr}
  .nav-link{padding:0 9px;font-size:14px}
  .search-box input{width:104px}
}
@media (max-width:1023px){
  .main-nav,.search-box{display:none}
  .nav-toggle{display:inline-flex}
  .hero{padding-top:104px;padding-bottom:64px}
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .visual-img{aspect-ratio:16/10}
  .float-a{left:12px;top:16px}
  .float-b{right:12px;bottom:16px}
  .solution-wall{grid-template-columns:repeat(2,minmax(0,1fr))}
  .channel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-grid{grid-template-columns:1fr}
  .lead-wrap{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .section{padding:80px 0}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:64px 0}
  .section-head{margin-bottom:32px}
  .hero{padding-top:96px;padding-bottom:56px}
  .hero-sub{font-size:15.5px}
  .hero-actions{flex-direction:column;align-items:stretch;gap:12px}
  .hero-actions .btn{width:100%}
  .hero-badge{font-size:12px;height:28px;padding:0 12px}
  .pain-grid{grid-template-columns:1fr}
  .solution-wall{grid-template-columns:1fr}
  .solution-card{padding:24px}
  .solution-card.is-large{padding:26px}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 0}
  .stat{padding:4px 18px}
  .stat + .stat::before{display:none}
  .stat:nth-child(even)::before{display:block}
  .channel-grid{grid-template-columns:1fr}
  .news-row{min-height:64px}
  .news-row-title{white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.5}
  .faq-panel{padding:4px 20px}
  .faq-item summary{min-height:56px;font-size:15px}
  .form-card{padding:22px}
  .form-row{grid-template-columns:1fr;gap:0}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .float-b{display:none}
}

/* roulang page: article */
:root{
  --bg-0:#06090F;
  --bg-1:#0B1119;
  --bg-2:#111A25;
  --primary:#2BE3C4;
  --primary-deep:#12B79C;
  --secondary:#7C5CFF;
  --accent:#FFB020;
  --text:#EAF2F6;
  --text-2:#A9B7C4;
  --text-3:#6F7E8C;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --glass:rgba(255,255,255,.05);
  --glass-border:rgba(255,255,255,.09);
  --radius-s:12px;
  --radius:16px;
  --radius-l:20px;
  --radius-xl:24px;
  --shadow:0 20px 48px -24px rgba(0,0,0,.85);
  --glow:0 0 28px -6px rgba(43,227,196,.4);
  --header-h:64px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"DIN Alternate","Barlow",ui-monospace,"SFMono-Regular",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding-left:0;list-style:none}
::selection{background:rgba(43,227,196,.28);color:#fff}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 24px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  letter-spacing:.2px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .16s var(--ease),box-shadow .16s var(--ease),background .16s var(--ease),border-color .16s var(--ease),color .16s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,#3BF0D0,#12B79C);
  color:#04120F;
  box-shadow:0 0 0 1px rgba(43,227,196,.35),0 0 28px -6px rgba(43,227,196,.45);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 0 0 1px rgba(43,227,196,.5),0 0 34px -4px rgba(43,227,196,.6);filter:brightness(1.08)}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(43,227,196,.45),0 0 16px -6px rgba(43,227,196,.5)}
.btn-ghost{
  background:var(--glass);
  color:var(--text);
  border:1px solid var(--line-strong);
  border-radius:var(--radius-s);
  backdrop-filter:blur(10px);
}
.btn-ghost:hover{border-color:rgba(43,227,196,.45);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow)}
.btn-block{width:100%}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px}
/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:70;
  height:var(--header-h);
  background:rgba(8,12,18,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:height .2s var(--ease),background .2s var(--ease);
}
.site-header.is-scrolled{
  height:56px;
  background:rgba(8,12,18,.9);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:28px;
  height:100%;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.logo-mark{
  width:32px;height:32px;
  display:grid;place-items:center;
  border-radius:10px;
  background:rgba(43,227,196,.12);
  border:1px solid rgba(43,227,196,.28);
  box-shadow:0 0 18px -8px rgba(43,227,196,.7);
}
.logo-mark svg{width:20px;height:20px}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:16px;font-weight:700;letter-spacing:.4px;color:var(--text)}
.logo-text em{font-style:normal;font-size:11px;letter-spacing:2px;color:var(--text-3);margin-top:2px}
.main-nav{display:flex;align-items:center;gap:22px;margin-left:8px}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:44px;
  font-size:14px;
  color:var(--text-2);
  transition:color .16s var(--ease);
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:6px;
  height:2px;
  border-radius:2px;
  background:var(--primary);
  box-shadow:0 0 12px rgba(43,227,196,.8);
  opacity:0;
  transform:scaleX(.4);
  transition:opacity .18s var(--ease),transform .18s var(--ease);
}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after,.nav-link.is-active::after{opacity:1;transform:scaleX(1)}
.nav-link.is-active{color:var(--text);font-weight:600}
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
}
.nav-search{
  display:flex;
  align-items:center;
  gap:6px;
  height:38px;
  padding:0 6px 0 14px;
  border-radius:999px;
  background:var(--glass);
  border:1px solid var(--line);
  transition:border-color .16s var(--ease);
}
.nav-search:focus-within{border-color:rgba(43,227,196,.5)}
.nav-search input{
  width:132px;
  height:100%;
  border:0;
  background:transparent;
  color:var(--text);
  font-size:13px;
  outline:none;
}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search button{
  width:28px;height:28px;
  display:grid;place-items:center;
  border:0;
  border-radius:50%;
  background:rgba(43,227,196,.14);
  color:var(--primary);
  cursor:pointer;
  transition:background .16s var(--ease);
}
.nav-search button:hover{background:rgba(43,227,196,.28)}
.nav-search svg{width:15px;height:15px}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--glass);
  cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text)}
/* ---------- drawer ---------- */
.drawer-backdrop{
  position:fixed;inset:0;z-index:85;
  background:rgba(3,6,10,.72);
  backdrop-filter:blur(6px);
  opacity:0;pointer-events:none;
  transition:opacity .28s var(--ease);
}
.drawer-backdrop.is-open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:90;
  width:86vw;max-width:360px;
  display:flex;flex-direction:column;gap:20px;
  padding:20px 20px 32px;
  background:rgba(11,17,25,.94);
  backdrop-filter:blur(18px);
  border-left:1px solid var(--line);
  transform:translateX(102%);
  transition:transform .28s var(--ease);
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-close{
  width:40px;height:40px;
  display:grid;place-items:center;
  border-radius:50%;
  border:1px solid var(--line-strong);
  background:var(--glass);
  color:var(--text);
  font-size:20px;
  line-height:1;
  cursor:pointer;
}
.drawer-close:hover{border-color:rgba(43,227,196,.5);color:var(--primary)}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{
  display:flex;align-items:center;
  min-height:48px;
  font-size:15px;
  color:var(--text-2);
  border-bottom:1px solid var(--line);
  transition:color .16s var(--ease);
}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--primary)}
.drawer-search{display:flex;flex-direction:column;gap:10px}
.drawer-search input{
  height:48px;
  padding:0 14px;
  border-radius:var(--radius-s);
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.04);
  color:var(--text);
  font-size:14px;
  outline:none;
}
.drawer-search input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(43,227,196,.18)}
.drawer-note{font-size:12px;color:var(--text-3);line-height:1.7}
/* ---------- breadcrumb ---------- */
.breadcrumb-wrap{padding:24px 0 0}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--text-3);
}
.breadcrumb a{color:var(--text-3);transition:color .16s var(--ease)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:rgba(255,255,255,.2)}
.breadcrumb .current{
  color:var(--primary);
  max-width:100%;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
/* ---------- article head ---------- */
.article-hero{
  padding:32px 0 40px;
  border-bottom:1px solid var(--line);
  position:relative;
}
.article-hero::before{
  content:"";
  position:absolute;
  top:-140px;left:50%;
  width:820px;height:420px;
  transform:translateX(-50%);
  background:radial-gradient(circle at 50% 40%,rgba(43,227,196,.16),transparent 70%);
  pointer-events:none;
  z-index:-1;
}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  height:24px;padding:0 10px;
  border-radius:999px;
  background:rgba(43,227,196,.1);
  border:1px solid rgba(43,227,196,.28);
  color:var(--primary);
  font-size:12px;font-weight:500;
}
.badge::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 8px rgba(43,227,196,.9);
}
.article-title{
  margin:16px 0 18px;
  font-size:clamp(26px,4vw,38px);
  line-height:1.35;
  font-weight:700;
  letter-spacing:-.4px;
  max-width:900px;
}
.article-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px;
  font-size:13px;color:var(--text-3);
}
.article-meta .dot{color:rgba(255,255,255,.2)}
.article-cover{
  margin-top:32px;
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.article-cover img{
  width:100%;
  max-height:420px;
  object-fit:cover;
}
.article-cover figcaption{
  padding:10px 16px;
  font-size:12px;
  color:var(--text-3);
  text-align:center;
  background:rgba(255,255,255,.03);
  border-top:1px solid var(--line);
}
/* ---------- article layout ---------- */
.article-section{padding:56px 0 96px}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,800px) 288px;
  gap:56px;
  justify-content:center;
  align-items:start;
}
.article-body{
  font-size:17px;
  line-height:1.9;
  color:#D5E1E9;
  overflow-wrap:break-word;
}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  margin:2em 0 .8em;
  padding-left:12px;
  border-left:3px solid var(--primary);
  font-size:clamp(21px,2.2vw,26px);
  line-height:1.45;
  font-weight:700;
  color:var(--text);
  box-shadow:-6px 0 18px -10px rgba(43,227,196,.8);
}
.article-body h3{
  margin:1.6em 0 .6em;
  font-size:20px;
  line-height:1.5;
  font-weight:600;
  color:var(--text);
}
.article-body h4{
  margin:1.4em 0 .5em;
  font-size:17px;
  font-weight:600;
  color:var(--text);
}
.article-body ul,.article-body ol{
  margin:0 0 1.2em;
  padding-left:22px;
  list-style:disc;
}
.article-body ol{list-style:decimal}
.article-body li{margin:.35em 0;line-height:1.8}
.article-body li::marker{color:var(--primary)}
.article-body strong{color:#fff;font-weight:600}
.article-body a{
  color:var(--primary);
  text-decoration:underline;
  text-underline-offset:3px;
  transition:opacity .16s var(--ease);
}
.article-body a:hover{opacity:.82}
.article-body blockquote{
  margin:1.6em 0;
  padding:18px 22px;
  border-left:3px solid var(--secondary);
  border-radius:var(--radius-s);
  background:rgba(255,255,255,.05);
  backdrop-filter:blur(14px);
  color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{
  margin:1.6em 0;
  border-radius:var(--radius-s);
  border:1px solid var(--line);
}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:8px}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:1.6em 0;
  font-size:15px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:var(--radius-s);
  overflow:hidden;
}
.article-body th,.article-body td{
  padding:12px 14px;
  text-align:left;
  border-bottom:1px solid var(--line);
}
.article-body thead th{
  background:rgba(255,255,255,.06);
  color:var(--text);
  font-weight:600;
}
.article-body tbody tr:nth-child(even){background:rgba(255,255,255,.03)}
.article-body tbody td:first-child{color:var(--text-2)}
.article-body hr{
  border:0;
  height:1px;
  background:var(--line);
  margin:2em 0;
}
.article-body code{
  padding:2px 6px;
  border-radius:6px;
  background:rgba(43,227,196,.12);
  color:var(--primary);
  font-size:.92em;
  font-family:var(--font-num);
}
/* ---------- aside ---------- */
.article-aside{
  position:sticky;
  top:calc(var(--header-h) + 24px);
  display:flex;
  flex-direction:column;
  gap:16px;
}
.aside-card{
  padding:20px;
  border-radius:var(--radius);
  background:var(--glass);
  border:1px solid var(--glass-border);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow);
  backdrop-filter:blur(14px);
}
.aside-card h3{
  font-size:15px;
  font-weight:600;
  margin-bottom:8px;
  color:var(--text);
}
.aside-card p{
  font-size:13px;
  line-height:1.75;
  color:var(--text-2);
  margin-bottom:14px;
}
.aside-list{display:flex;flex-direction:column}
.aside-list a{
  display:flex;align-items:center;justify-content:space-between;
  gap:10px;
  min-height:44px;
  padding:8px 0;
  font-size:14px;
  color:var(--text-2);
  border-bottom:1px solid var(--line);
  transition:color .16s var(--ease);
}
.aside-list a:last-child{border-bottom:0}
.aside-list a:hover{color:var(--primary)}
.aside-list .arrow{color:var(--text-3);font-size:13px}
/* ---------- empty state ---------- */
.empty-state{
  padding:56px 28px;
  text-align:center;
  border-radius:var(--radius-l);
  border:1px dashed var(--line-strong);
  background:rgba(255,255,255,.03);
}
.empty-state .wave{
  width:64px;height:64px;
  margin:0 auto 18px;
  display:grid;place-items:center;
  border-radius:50%;
  background:rgba(43,227,196,.1);
  color:var(--primary);
}
.empty-state .wave svg{width:30px;height:30px}
.empty-title{font-size:20px;font-weight:600;margin-bottom:8px}
.empty-desc{font-size:14px;color:var(--text-2);margin-bottom:20px}
/* ---------- related ---------- */
.related-section{padding:0 0 96px}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:28px;
}
.section-head h2{
  font-size:clamp(22px,2.4vw,30px);
  line-height:1.3;
  font-weight:700;
}
.section-head .more{
  font-size:14px;
  color:var(--text-2);
  white-space:nowrap;
  transition:color .16s var(--ease);
}
.section-head .more:hover{color:var(--primary)}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}
.related-card{
  display:flex;
  flex-direction:column;
  overflow:hidden;
  border-radius:var(--radius);
  background:var(--glass);
  border:1px solid var(--glass-border);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
  transition:transform .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.related-card:hover{
  transform:translateY(-2px);
  border-color:rgba(43,227,196,.45);
  box-shadow:var(--glow),var(--shadow);
}
.related-card .thumb{
  aspect-ratio:16/9;
  overflow:hidden;
}
.related-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.related-card:hover .thumb img{transform:scale(1.03)}
.related-card .body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:10px}
.related-card .tag{
  font-size:12px;
  color:var(--primary);
  padding:2px 8px;
  border-radius:999px;
  background:rgba(43,227,196,.1);
  border:1px solid rgba(43,227,196,.24);
  align-self:flex-start;
}
.related-card h3{
  font-size:16px;
  line-height:1.55;
  font-weight:600;
  color:var(--text);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.related-card time{font-size:12px;color:var(--text-3)}
/* ---------- CTA band ---------- */
.cta-band{
  padding:0 0 96px;
}
.cta-inner{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:32px;
  align-items:center;
  padding:40px;
  border-radius:var(--radius-xl);
  background:
    radial-gradient(circle at 12% 20%,rgba(124,92,255,.16),transparent 60%),
    radial-gradient(circle at 88% 80%,rgba(43,227,196,.16),transparent 60%),
    var(--bg-1);
  border:1px solid var(--line-strong);
  overflow:hidden;
}
.cta-inner::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(255,255,255,.35) 1px,transparent 1px);
  background-size:22px 22px;
  opacity:.05;
  pointer-events:none;
}
.cta-inner h2{
  font-size:clamp(22px,2.6vw,30px);
  line-height:1.3;
  margin-bottom:10px;
}
.cta-inner p{
  font-size:14px;
  color:var(--text-2);
  max-width:560px;
  line-height:1.8;
}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1}
/* ---------- FAQ ---------- */
.faq-section{padding:0 0 96px}
.faq-card{
  border-radius:var(--radius-l);
  background:var(--glass);
  border:1px solid var(--glass-border);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
  overflow:hidden;
}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-q{
  width:100%;
  min-height:64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:16px 24px;
  background:transparent;
  border:0;
  color:var(--text);
  font-size:16px;
  font-weight:600;
  text-align:left;
  cursor:pointer;
  transition:color .16s var(--ease);
}
.faq-q:hover{color:var(--primary)}
.faq-icon{
  flex-shrink:0;
  width:22px;height:22px;
  display:grid;place-items:center;
  color:var(--text-3);
  font-size:18px;
  line-height:1;
  transition:transform .22s var(--ease),color .22s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);color:var(--primary)}
.faq-item.is-open .faq-q{color:var(--primary)}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .28s var(--ease);
}
.faq-a-inner{
  max-width:720px;
  padding:0 24px 22px;
  font-size:15px;
  line-height:1.8;
  color:var(--text-2);
}
.faq-item.is-open .faq-a{max-height:320px}
/* ---------- footer ---------- */
.site-footer{
  position:relative;
  padding:64px 0 28px;
  background:var(--bg-1);
  border-top:1px solid var(--line);
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:50%;
  width:900px;height:220px;
  transform:translateX(-50%);
  background:radial-gradient(circle at 50% 0%,rgba(43,227,196,.08),transparent 70%);
  pointer-events:none;
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid var(--line);
}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{
  font-size:14px;
  line-height:1.85;
  color:var(--text-2);
  max-width:420px;
}
.footer-contact{
  margin-top:14px;
  font-size:13px;
  color:var(--text-3);
}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:var(--text);
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{
  font-size:14px;
  color:var(--text-2);
  transition:color .16s var(--ease);
}
.footer-col a:hover{color:var(--primary)}
.footer-col p{font-size:13px;line-height:1.85;color:var(--text-3)}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:24px;
  font-size:13px;
  color:var(--text-3);
}
/* ---------- responsive ---------- */
@media (max-width:1200px){
  .article-layout{grid-template-columns:minmax(0,1fr) 272px;gap:40px}
}
@media (max-width:1023px){
  .main-nav,.nav-search{display:none}
  .nav-toggle{display:flex}
  .article-hero{padding:24px 0 32px}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px}
  .article-aside{position:static;flex-direction:row;flex-wrap:wrap}
  .aside-card{flex:1 1 260px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-inner{grid-template-columns:minmax(0,1fr);padding:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .site-header{height:56px}
  .logo-text strong{font-size:15px}
  .logo-text em{font-size:10px;letter-spacing:1.6px}
  .article-section{padding:32px 0 64px}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{margin-top:1.8em}
  .related-section,.cta-band,.faq-section{padding-bottom:64px}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .cta-inner{padding:24px}
  .cta-actions{flex-direction:column;width:100%}
  .cta-actions .btn{width:100%}
  .faq-q{min-height:56px;padding:14px 18px;font-size:15px}
  .faq-a-inner{padding:0 18px 18px;font-size:14px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .breadcrumb-wrap{padding-top:16px}
  .article-cover img{max-height:240px}
}
@media (max-width:520px){
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px}
  .empty-state{padding:40px 18px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
}

/* roulang page: category1 */
:root{
  --bg-0:#06090F;
  --bg-1:#0B1119;
  --bg-2:#111A25;
  --brand:#2BE3C4;
  --brand-deep:#12B79C;
  --violet:#7C5CFF;
  --amber:#FFB020;
  --text:#EAF2F6;
  --text-2:#A9B7C4;
  --text-3:#6F7E8C;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --glass:rgba(255,255,255,.05);
  --glass-2:rgba(255,255,255,.04);
  --radius:16px;
  --radius-lg:22px;
  --radius-sm:12px;
  --shadow:0 20px 48px -24px rgba(0,0,0,.85);
  --glow:0 0 28px -6px rgba(43,227,196,.45);
  --nav-h:64px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"DIN Alternate","Barlow",ui-monospace,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-cn);
  background:var(--bg-0);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
ul,ol{list-style:none}
svg{display:block}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(8,12,18,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{background:rgba(8,12,18,.92);box-shadow:0 12px 32px -24px rgba(0,0,0,.9)}
.header-inner{display:flex;align-items:center;gap:28px;height:var(--nav-h)}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:32px;height:32px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(43,227,196,.12);
  border:1px solid rgba(43,227,196,.28);
}
.logo-mark svg{width:20px;height:20px}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:16px;font-weight:700;letter-spacing:.5px}
.logo-text em{font-style:normal;font-size:11px;letter-spacing:2px;color:var(--text-3)}
.main-nav{display:flex;align-items:center;gap:24px;flex:1}
.nav-link{
  position:relative;font-size:15px;color:var(--text-2);
  padding:6px 0;white-space:nowrap;transition:color .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--brand);opacity:0;box-shadow:0 0 10px rgba(43,227,196,.6);
  transition:opacity .18s ease;
}
.nav-link:hover{color:var(--text)}
.nav-link.is-active{color:var(--text);font-weight:600}
.nav-link.is-active::after{opacity:1}
.header-actions{display:flex;align-items:center;gap:14px;flex-shrink:0}
.nav-search{
  display:flex;align-items:center;gap:6px;
  height:38px;padding:0 6px 0 14px;border-radius:999px;
  background:var(--glass-2);border:1px solid var(--line);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.nav-search:focus-within{border-color:rgba(43,227,196,.55);box-shadow:0 0 0 3px rgba(43,227,196,.14)}
.nav-search input{
  width:132px;border:0;background:transparent;font-size:13px;color:var(--text);
}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search input:focus{outline:none}
.nav-search button{
  width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  color:var(--text-2);transition:color .18s ease,background .18s ease;
}
.nav-search button:hover{color:var(--brand);background:rgba(43,227,196,.1)}
.nav-search svg{width:15px;height:15px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
  border:1px solid var(--line);background:var(--glass-2);
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(3,6,10,.72);backdrop-filter:blur(6px);
  z-index:200;opacity:0;transition:opacity .22s ease;
}
.drawer-mask.is-open{opacity:1}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:86vw;max-width:360px;z-index:210;
  background:rgba(11,17,25,.96);backdrop-filter:blur(18px);
  border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform .26s ease;
  display:flex;flex-direction:column;padding:20px 20px 28px;overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--text-2);
}
.drawer-close:hover{color:var(--brand);border-color:rgba(43,227,196,.4)}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{
  height:48px;display:flex;align-items:center;justify-content:space-between;
  font-size:15px;color:var(--text-2);border-bottom:1px solid var(--line);
}
.drawer-nav a.is-active{color:var(--brand);font-weight:600}
.drawer-nav a::after{content:"›";color:var(--text-3);font-size:18px}
.drawer-search{display:flex;margin:20px 0 14px;height:46px;border-radius:12px;background:var(--glass-2);border:1px solid var(--line);padding:0 12px;align-items:center;gap:8px}
.drawer-search input{flex:1;border:0;background:transparent;font-size:14px}
.drawer-search input:focus{outline:none}
.drawer-note{margin-top:18px;font-size:12px;color:var(--text-3);line-height:1.7}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 28px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.3px;
  transition:transform .16s ease,box-shadow .16s ease,background .16s ease,border-color .16s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,#2BE3C4,#12B79C);
  color:#04120F;
  box-shadow:0 0 0 1px rgba(43,227,196,.35),0 0 28px -6px rgba(43,227,196,.45);
}
.btn-primary:hover{
  transform:translateY(-1px);filter:brightness(1.08);
  box-shadow:0 0 0 1px rgba(43,227,196,.45),0 0 34px -4px rgba(43,227,196,.55);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(43,227,196,.4),0 0 18px -8px rgba(43,227,196,.5)}
.btn-ghost{
  background:var(--glass);border:1px solid var(--line-strong);color:var(--text);
}
.btn-ghost:hover{transform:translateY(-1px);border-color:rgba(43,227,196,.45);color:var(--brand)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-block{width:100%}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none}

/* ============ 面包屑 ============ */
.breadcrumb{padding:26px 0 0}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13px;color:var(--text-3)}
.breadcrumb li{display:flex;align-items:center;gap:6px}
.breadcrumb li:not(:last-child)::after{content:"›";color:var(--text-3)}
.breadcrumb a{color:var(--text-2);transition:color .18s ease}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .current{color:var(--brand)}

/* ============ Hero ============ */
.page-hero{position:relative;padding:34px 0 72px;overflow:hidden}
.page-hero::before{
  content:"";position:absolute;top:-260px;left:50%;transform:translateX(-50%);
  width:1100px;height:620px;pointer-events:none;
  background:radial-gradient(closest-side,rgba(43,227,196,.16),rgba(124,92,255,.06) 55%,transparent 72%);
}
.hero-grid{position:relative;display:grid;grid-template-columns:54fr 46fr;gap:52px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;
  border-radius:999px;background:var(--glass);border:1px solid var(--line);
  font-size:12px;letter-spacing:.4px;color:var(--text-2);margin-bottom:20px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 8px rgba(43,227,196,.8)}
h1{font-size:clamp(30px,4.4vw,50px);line-height:1.15;font-weight:700;letter-spacing:-.5px}
h1 .accent{
  background:linear-gradient(120deg,#2BE3C4,#7C5CFF);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{margin-top:18px;max-width:620px;font-size:17px;color:var(--text-2);line-height:1.8}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.pill{
  display:inline-flex;align-items:center;gap:7px;height:26px;padding:0 12px;
  border-radius:999px;background:var(--glass);border:1px solid var(--line);
  font-size:12px;color:var(--text-2);
}
.pill::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand)}
.pill.amber::before{background:var(--amber)}

.hero-visual{position:relative}
.visual-frame{
  position:relative;padding:10px;border-radius:24px;
  background:linear-gradient(150deg,rgba(43,227,196,.38),rgba(124,92,255,.22) 46%,rgba(255,255,255,.04) 78%);
  box-shadow:var(--shadow);
}
.visual-frame img{width:100%;height:392px;object-fit:cover;border-radius:16px}
.wave-line{
  position:absolute;left:14px;right:14px;bottom:14px;height:40px;opacity:.12;pointer-events:none;
}
.countdown{
  position:absolute;left:-20px;top:26px;
  padding:14px 16px;border-radius:16px;
  background:rgba(11,17,25,.86);backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.12);
  box-shadow:var(--shadow);
}
.countdown .cd-label{font-size:11px;letter-spacing:.6px;color:var(--text-3);margin-bottom:8px}
.cd-cells{display:flex;gap:8px}
.cd-cell{
  min-width:44px;text-align:center;border-radius:10px;
  background:rgba(43,227,196,.08);border:1px solid rgba(43,227,196,.24);padding:4px 6px;
}
.cd-cell b{display:block;font-family:var(--font-num);font-size:19px;color:var(--brand);line-height:1.2}
.cd-cell span{display:block;font-size:10px;color:var(--text-3);line-height:1.4}
.float-card{
  position:absolute;right:-16px;bottom:34px;width:206px;
  padding:14px 16px;border-radius:16px;
  background:rgba(11,17,25,.86);backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.12);box-shadow:var(--shadow);
}
.float-card .fc-num{font-family:var(--font-num);font-size:24px;color:var(--amber);line-height:1.2}
.float-card .fc-num small{font-size:12px;color:var(--text-2);margin-left:3px;font-family:var(--font-cn)}
.float-card .fc-label{font-size:12px;color:var(--text-3);margin-top:4px;line-height:1.6}

/* ============ 通用板块 ============ */
.section{padding:84px 0}
.section.tight{padding:64px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.28;font-weight:700;letter-spacing:-.3px}
.section-head h2::before{
  content:"";display:block;width:44px;height:3px;border-radius:3px;margin-bottom:18px;
  background:linear-gradient(90deg,#2BE3C4,#7C5CFF);
  box-shadow:0 0 14px rgba(43,227,196,.5);
}
.section-head p{margin-top:14px;font-size:15px;color:var(--text-2);line-height:1.85}
.divider{height:1px;background:var(--line);border:0}

/* 编号要点 */
.step-list{display:grid;gap:16px}
.step-item{
  display:grid;grid-template-columns:64px 1fr;gap:20px;align-items:start;
  padding:24px 26px;border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--line);
  position:relative;overflow:hidden;
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.step-item::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,#2BE3C4,rgba(43,227,196,0));
}
.step-item:hover{transform:translateY(-2px);border-color:rgba(43,227,196,.42);box-shadow:0 0 28px -10px rgba(43,227,196,.4)}
.step-num{
  font-family:var(--font-num);font-size:22px;color:var(--brand);
  background:rgba(43,227,196,.12);border:1px solid rgba(43,227,196,.3);
  border-radius:10px;height:44px;display:flex;align-items:center;justify-content:center;
}
.step-item h3{font-size:18px;font-weight:600;margin-bottom:6px}
.step-item p{font-size:14.5px;color:var(--text-2);line-height:1.8}

/* 小卡组 */
.mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:24px}
.mini-card{
  display:grid;grid-template-columns:78px 1fr;gap:16px;align-items:center;
  padding:16px;border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--line);
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.mini-card:hover{transform:translateY(-2px);border-color:rgba(124,92,255,.45);box-shadow:0 0 26px -10px rgba(124,92,255,.5)}
.mini-card img{width:78px;height:78px;object-fit:cover;border-radius:12px}
.mini-card h3{font-size:16px;font-weight:600;margin-bottom:4px}
.mini-card p{font-size:13.5px;color:var(--text-2);line-height:1.75}

/* 时间线 */
.timeline{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative;padding-top:26px;
}
.timeline::before{
  content:"";position:absolute;top:6px;left:8px;right:8px;height:1px;
  background:linear-gradient(90deg,rgba(43,227,196,.6),rgba(124,92,255,.4),rgba(255,255,255,.08));
}
.tl-item{position:relative;padding-top:18px}
.tl-item::before{
  content:"";position:absolute;top:-22px;left:0;width:12px;height:12px;border-radius:50%;
  background:var(--bg-0);border:2px solid var(--brand);box-shadow:0 0 12px rgba(43,227,196,.7);
}
.tl-item h3{font-size:16px;font-weight:600;margin-bottom:8px}
.tl-item p{font-size:13.5px;color:var(--text-2);line-height:1.78}
.tl-tag{display:inline-block;font-family:var(--font-num);font-size:11px;color:var(--brand);letter-spacing:1px;margin-bottom:6px}

/* 数据区 */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02));
  border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px 10px;
}
.stat{padding:0 22px;position:relative;text-align:left}
.stat + .stat::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:1px;background:var(--line);
}
.stat b{display:block;font-family:var(--font-num);font-size:clamp(30px,3.4vw,42px);color:var(--amber);line-height:1.1;letter-spacing:-1px}
.stat b small{font-size:15px;font-family:var(--font-cn);color:var(--text-2);margin-left:4px;letter-spacing:0}
.stat span{display:block;margin-top:10px;font-size:13px;color:var(--text-3);line-height:1.7}

/* 报名进度榜 */
.progress-board{
  border:1px solid var(--line);border-radius:var(--radius-lg);
  background:var(--bg-1);padding:8px 26px;overflow:hidden;
}
.pb-row{
  display:grid;grid-template-columns:34px 1fr 190px 88px;
  gap:18px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line);
}
.pb-row:last-child{border-bottom:0}
.pb-rank{font-family:var(--font-num);font-size:15px;color:var(--text-3)}
.pb-row.top .pb-rank{color:var(--brand)}
.pb-name{font-size:15px;font-weight:600}
.pb-name em{font-style:normal;display:block;font-size:12.5px;color:var(--text-3);font-weight:400;margin-top:2px}
.pb-bar{height:7px;border-radius:999px;background:rgba(255,255,255,.07);overflow:hidden}
.pb-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#2BE3C4,#7C5CFF)}
.pb-val{font-family:var(--font-num);font-size:14px;color:var(--text-2);text-align:right}

/* FAQ */
.faq-wrap{
  border:1px solid var(--line);border-radius:var(--radius-lg);
  background:var(--glass);padding:6px 28px;backdrop-filter:blur(14px);
}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:64px;padding:16px 0;font-size:16px;font-weight:600;color:var(--text);
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line-strong);position:relative;transition:transform .22s ease,border-color .22s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--text-2);border-radius:2px;
  transition:background .22s ease;
}
.faq-icon::before{left:6px;right:6px;top:50%;height:2px;transform:translateY(-50%)}
.faq-icon::after{top:6px;bottom:6px;left:50%;width:2px;transform:translateX(-50%)}
.faq-item[open] .faq-icon{transform:rotate(45deg);border-color:rgba(43,227,196,.6)}
.faq-item[open] .faq-icon::before,.faq-item[open] .faq-icon::after{background:var(--brand)}
.faq-body{max-width:720px;padding:0 0 22px;font-size:15px;color:var(--text-2);line-height:1.85}

/* CTA + 表单 */
.cta-block{
  display:grid;grid-template-columns:1fr 1.05fr;gap:48px;align-items:start;
  border:1px solid var(--line);border-radius:var(--radius-lg);
  background:
    radial-gradient(600px 240px at 0% 0%,rgba(43,227,196,.12),transparent 70%),
    var(--bg-1);
  padding:46px;
}
.cta-block h2{font-size:clamp(23px,2.4vw,30px);line-height:1.3;font-weight:700}
.cta-block .lead{margin-top:14px;font-size:15px;color:var(--text-2);line-height:1.85}
.check-list{margin-top:26px;display:grid;gap:12px}
.check-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2);line-height:1.7}
.check-list li::before{
  content:"";flex-shrink:0;width:6px;height:6px;border-radius:50%;margin-top:10px;
  background:var(--brand);box-shadow:0 0 8px rgba(43,227,196,.8);
}
.form-card{
  background:rgba(11,17,25,.75);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:30px;backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:8px}
.field label .req{color:var(--brand);margin-left:2px}
.field input[type="text"],
.field input[type="search"],
.field textarea{
  width:100%;height:48px;padding:0 14px;border-radius:12px;
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);
  color:var(--text);font-size:14.5px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:auto;min-height:104px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(43,227,196,.18);
}
.field.has-error input,.field.has-error textarea{border-color:#FF5C6C;box-shadow:0 0 0 3px rgba(255,92,108,.14)}
.err-msg{display:none;margin-top:6px;font-size:12px;color:#FF5C6C}
.field.has-error .err-msg{display:block}
.chip-group{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  display:inline-flex;align-items:center;height:38px;padding:0 16px;border-radius:999px;
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);
  font-size:13.5px;color:var(--text-2);cursor:pointer;
  transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.chip:hover{border-color:rgba(43,227,196,.45);color:var(--text)}
.chip input{position:absolute;opacity:0;pointer-events:none}
.chip.is-checked{background:rgba(43,227,196,.14);border-color:rgba(43,227,196,.6);color:var(--brand)}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:12.5px;color:var(--text-3);line-height:1.7;margin:6px 0 18px}
.consent input{width:16px;height:16px;margin-top:4px;accent-color:#2BE3C4;flex-shrink:0}
.consent a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.form-note{margin-top:12px;font-size:12px;color:var(--text-3);line-height:1.7}
.form-success{
  display:none;margin-top:16px;padding:12px 14px;border-radius:12px;
  background:rgba(43,217,124,.1);border:1px solid rgba(43,217,124,.35);
  color:#9DF3C0;font-size:13.5px;
}
.form-success.is-visible{display:block}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;background:var(--bg-1);border-top:1px solid var(--line);
  padding:64px 0 26px;margin-top:20px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:900px;height:220px;pointer-events:none;
  background:radial-gradient(closest-side,rgba(43,227,196,.08),transparent 72%);
}
.footer-grid{
  position:relative;display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px;
}
.footer-brand p{margin-top:16px;font-size:14px;color:var(--text-2);line-height:1.8;max-width:420px}
.footer-contact{margin-top:14px;font-size:13px!important;color:var(--text-3)!important}
.footer-col h4{font-size:14px;font-weight:600;margin-bottom:16px;color:var(--text)}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:var(--text-2);transition:color .18s ease}
.footer-col a:hover{color:var(--brand)}
.footer-col p{font-size:13.5px;color:var(--text-3);line-height:1.8}
.footer-bottom{
  position:relative;margin-top:48px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{max-width:1080px}
  .hero-grid{gap:38px}
  .visual-frame img{height:340px}
  .nav-search input{width:104px}
  .main-nav{gap:18px}
  .nav-link{font-size:14px}
}
@media (max-width:1023px){
  .main-nav,.nav-search{display:none}
  .nav-toggle{display:flex}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .visual-frame img{height:320px}
  .countdown{left:8px;top:12px}
  .float-card{right:10px;bottom:18px}
  .mini-grid{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr 1fr;gap:26px 20px}
  .timeline::before{display:none}
  .tl-item::before{top:-10px}
  .stat-strip{grid-template-columns:1fr 1fr;gap:26px 0;padding:28px 4px}
  .stat:nth-child(3)::before{display:none}
  .stat{padding:0 20px}
  .cta-block{grid-template-columns:1fr;gap:32px;padding:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:68px 0}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .header-inner{gap:14px}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
  .page-hero{padding:22px 0 52px}
  .hero-sub{font-size:16px}
  .visual-frame img{height:250px}
  .float-card{display:none}
  .countdown{left:10px;top:10px;padding:10px 12px}
  .cd-cell{min-width:38px}
  .cd-cell b{font-size:16px}
  .step-item{grid-template-columns:48px 1fr;gap:14px;padding:20px}
  .step-num{height:38px;font-size:19px}
  .pb-row{grid-template-columns:28px 1fr 74px;gap:12px;padding:14px 0}
  .pb-bar{display:none}
  .faq-wrap{padding:4px 18px}
  .faq-item summary{min-height:56px;font-size:15px}
  .stat-strip{grid-template-columns:1fr 1fr}
  .stat b{font-size:30px}
  .form-card{padding:22px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .mini-card{grid-template-columns:64px 1fr}
  .mini-card img{width:64px;height:64px}
}
@media (max-width:519px){
  h1{font-size:28px}
  .timeline{grid-template-columns:1fr}
  .stat-strip{grid-template-columns:1fr;padding:24px 4px}
  .stat + .stat::before{display:none}
  .stat{padding:0 18px;border-top:1px solid var(--line);padding-top:18px}
  .stat:first-child{border-top:0;padding-top:0}
  .cta-block{padding:24px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;transition-duration:.001ms!important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --bg-0:#06090F;
  --bg-1:#0B1119;
  --bg-2:#111A25;
  --c-main:#2BE3C4;
  --c-main-deep:#12B79C;
  --c-purple:#7C5CFF;
  --c-amber:#FFB020;
  --c-ok:#2BD97C;
  --c-err:#FF5C6C;
  --t-1:#EAF2F6;
  --t-2:#A9B7C4;
  --t-3:#6F7E8C;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --glass:rgba(255,255,255,.05);
  --glass-strong:rgba(255,255,255,.075);
  --r-sm:12px;
  --r-md:16px;
  --r-lg:22px;
  --r-pill:999px;
  --shadow-card:0 20px 48px -24px rgba(0,0,0,.85);
  --shadow-glow:0 0 28px -6px rgba(43,227,196,.4);
  --nav-h:64px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"DIN Alternate","Barlow",ui-monospace,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--t-1);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
::selection{background:rgba(43,227,196,.28);color:#fff;}
:focus-visible{outline:2px solid var(--c-main);outline-offset:2px;border-radius:6px;}

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

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  height:var(--nav-h);
  display:flex;
  align-items:center;
  background:rgba(6,9,15,.55);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:height .22s ease,background .22s ease,border-color .22s ease;
}
.site-header.is-scrolled{
  height:56px;
  background:rgba(8,12,18,.82);
  border-bottom-color:var(--line);
  box-shadow:0 14px 32px -24px rgba(0,0,0,.9);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:28px;
  width:100%;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.logo-mark{
  width:34px;height:34px;
  display:grid;place-items:center;
  border-radius:11px;
  background:linear-gradient(145deg,rgba(43,227,196,.18),rgba(124,92,255,.14));
  border:1px solid rgba(43,227,196,.3);
  box-shadow:0 0 20px -8px rgba(43,227,196,.7);
}
.logo-mark svg{width:20px;height:20px;}
.logo-text{display:flex;flex-direction:column;line-height:1.12;}
.logo-text strong{font-size:16px;font-weight:700;letter-spacing:.3px;}
.logo-text em{
  font-style:normal;
  font-size:10.5px;
  letter-spacing:2px;
  color:var(--t-2);
  text-transform:uppercase;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:22px;
  flex:1 1 auto;
  min-width:0;
}
.nav-link{
  position:relative;
  padding:6px 2px;
  font-size:14.5px;
  color:var(--t-2);
  white-space:nowrap;
  transition:color .16s ease;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-4px;
  height:2px;
  border-radius:2px;
  background:var(--c-main);
  box-shadow:0 0 10px rgba(43,227,196,.85);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .2s ease;
}
.nav-link:hover{color:var(--t-1);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--t-1);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.header-tools{
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
}
.nav-search{
  display:flex;
  align-items:center;
  gap:8px;
  height:36px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.045);
  border:1px solid var(--line);
  transition:border-color .16s ease,box-shadow .16s ease;
}
.nav-search:focus-within{
  border-color:rgba(43,227,196,.55);
  box-shadow:0 0 0 3px rgba(43,227,196,.16);
}
.nav-search svg{width:15px;height:15px;stroke:var(--t-3);flex:0 0 auto;}
.nav-search input{
  width:132px;
  border:none;
  background:transparent;
  font-size:13.5px;
  outline:none;
}
.nav-search input::placeholder{color:var(--t-3);}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  letter-spacing:.3px;
  transition:transform .16s ease,box-shadow .16s ease,filter .16s ease,background .16s ease,border-color .16s ease;
  white-space:nowrap;
}
.btn-primary{
  color:#04120F;
  background:linear-gradient(135deg,#3CF0D2,#1CCBAE);
  box-shadow:0 0 0 1px rgba(43,227,196,.35),0 0 28px -6px rgba(43,227,196,.45);
}
.btn-primary:hover{
  filter:brightness(1.08);
  transform:translateY(-1px);
  box-shadow:0 0 0 1px rgba(43,227,196,.5),0 0 34px -4px rgba(43,227,196,.6);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(43,227,196,.45),0 0 16px -6px rgba(43,227,196,.5);}
.btn-ghost{
  color:var(--t-1);
  background:rgba(255,255,255,.045);
  border:1px solid var(--line-strong);
}
.btn-ghost:hover{
  border-color:rgba(43,227,196,.45);
  background:rgba(43,227,196,.08);
  transform:translateY(-1px);
}
.btn-sm{min-height:36px;padding:0 16px;font-size:13.5px;}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  place-items:center;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  margin:2.5px auto;
  border-radius:2px;
  background:var(--t-1);
  transition:transform .2s ease,opacity .2s ease;
}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(3,6,10,.72);
  backdrop-filter:blur(6px);
  opacity:0;visibility:hidden;
  transition:opacity .24s ease,visibility .24s ease;
  z-index:90;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;
  top:0;right:0;
  width:86vw;
  max-width:360px;
  height:100%;
  padding:22px 20px 32px;
  background:rgba(11,17,25,.94);
  border-left:1px solid var(--line);
  backdrop-filter:blur(18px);
  transform:translateX(100%);
  transition:transform .26s ease;
  z-index:100;
  display:flex;
  flex-direction:column;
  gap:18px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{
  width:40px;height:40px;
  border-radius:50%;
  border:1px solid var(--line);
  display:grid;place-items:center;
  color:var(--t-2);
}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  display:flex;
  align-items:center;
  min-height:48px;
  border-bottom:1px solid var(--line);
  font-size:15px;
  color:var(--t-2);
}
.drawer-nav a.is-active{color:var(--c-main);font-weight:600;}
.drawer .btn{width:100%;}
.drawer-note{font-size:12px;color:var(--t-3);line-height:1.7;}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:6px;
  font-size:13px;
  color:var(--t-3);
  padding:22px 0 0;
}
.breadcrumb a{color:var(--t-3);transition:color .16s ease;}
.breadcrumb a:hover{color:var(--c-main);}
.breadcrumb .sep{color:rgba(255,255,255,.22);}
.breadcrumb .current{color:var(--c-main);}

/* ---------- 分类 Hero 宽幅 banner ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--line);
  background:var(--bg-1);
}
.hero-media{
  position:absolute;
  inset:0;
  z-index:0;
}
.hero-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center 40%;
  filter:saturate(.85) contrast(1.02);
}
.hero-veil{
  position:absolute;
  inset:0;
  z-index:1;
  background:
    linear-gradient(180deg,rgba(6,9,15,.86) 0%,rgba(6,9,15,.68) 45%,rgba(6,9,15,.96) 100%),
    radial-gradient(120% 90% at 12% 0%,rgba(43,227,196,.2) 0%,rgba(6,9,15,0) 62%),
    radial-gradient(90% 80% at 92% 18%,rgba(124,92,255,.16) 0%,rgba(6,9,15,0) 60%);
}
.hero-inner{
  position:relative;
  z-index:2;
  padding-top:16px;
  padding-bottom:52px;
  max-width:1200px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:500;
  color:var(--c-main);
  background:rgba(43,227,196,.12);
  border:1px solid rgba(43,227,196,.28);
  letter-spacing:.5px;
}
.eyebrow::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--c-main);
  box-shadow:0 0 10px rgba(43,227,196,.9);
}
.page-hero h1{
  margin-top:18px;
  font-size:clamp(30px,4.2vw,46px);
  line-height:1.18;
  font-weight:700;
  letter-spacing:-.5px;
  max-width:15em;
}
.page-hero h1 .hl{
  color:var(--c-main);
  position:relative;
}
.hero-sub{
  margin-top:16px;
  max-width:620px;
  font-size:16.5px;
  line-height:1.85;
  color:var(--t-2);
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:26px;
}
.hero-chips{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:26px;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-pill);
  font-size:12px;
  color:var(--t-2);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  backdrop-filter:blur(10px);
}
.chip::before{
  content:"";
  width:5px;height:5px;
  border-radius:50%;
  background:var(--c-main);
  box-shadow:0 0 8px rgba(43,227,196,.8);
}

/* 锚点频道条 */
.anchor-bar{
  position:relative;
  z-index:2;
  border-top:1px solid var(--line);
  background:rgba(6,9,15,.7);
  backdrop-filter:blur(12px);
}
.anchor-bar .container{
  display:flex;
  gap:26px;
  overflow-x:auto;
  scrollbar-width:none;
  padding-top:14px;
  padding-bottom:14px;
}
.anchor-bar .container::-webkit-scrollbar{display:none;}
.anchor-bar a{
  font-size:14px;
  color:var(--t-2);
  white-space:nowrap;
  padding-bottom:2px;
  border-bottom:2px solid transparent;
  transition:color .16s ease,border-color .16s ease;
}
.anchor-bar a:hover{color:var(--c-main);border-bottom-color:rgba(43,227,196,.5);}

/* ---------- 通用板块 ---------- */
.section{
  padding:96px 0;
}
.section--tight{padding:72px 0;}
.section--alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  margin-bottom:44px;
}
.section-head h2{
  font-size:clamp(24px,2.6vw,34px);
  line-height:1.25;
  font-weight:700;
  letter-spacing:-.3px;
}
.section-head h2::before{
  content:"";
  display:inline-block;
  width:4px;height:.86em;
  margin-right:14px;
  border-radius:2px;
  vertical-align:-.06em;
  background:linear-gradient(180deg,var(--c-main),rgba(43,227,196,0));
  box-shadow:0 0 14px rgba(43,227,196,.7);
}
.section-head p{
  margin-top:12px;
  font-size:14.5px;
  color:var(--t-2);
  max-width:640px;
}
.section-head .head-note{font-size:13px;color:var(--t-3);}

/* ---------- 指标条 ---------- */
.metric-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.018));
  backdrop-filter:blur(14px);
  overflow:hidden;
  box-shadow:var(--shadow-card);
}
.metric{
  padding:30px 26px;
  position:relative;
}
.metric + .metric::before{
  content:"";
  position:absolute;
  left:0;top:22%;
  width:1px;height:56%;
  background:var(--line);
}
.metric .num{
  font-family:var(--font-num);
  font-size:clamp(32px,3.4vw,44px);
  line-height:1.05;
  font-weight:700;
  color:var(--c-amber);
  letter-spacing:-1px;
}
.metric .num small{
  font-size:15px;
  font-weight:600;
  margin-left:4px;
  color:var(--c-amber);
  opacity:.85;
}
.metric .label{
  margin-top:10px;
  font-size:13.5px;
  color:var(--t-2);
  line-height:1.65;
}

/* ---------- 时间线流程 ---------- */
.timeline{
  position:relative;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:32px;
  padding-top:44px;
}
.timeline::before{
  content:"";
  position:absolute;
  top:6px;left:6px;right:6px;
  height:1px;
  background:linear-gradient(90deg,rgba(43,227,196,.6),rgba(124,92,255,.4),rgba(255,255,255,.08));
}
.tl-step{position:relative;}
.tl-dot{
  position:absolute;
  top:-44px;left:0;
  width:13px;height:13px;
  border-radius:50%;
  background:var(--c-main);
  box-shadow:0 0 0 4px rgba(43,227,196,.14),0 0 18px rgba(43,227,196,.55);
}
.tl-step:nth-child(2) .tl-dot{background:var(--c-purple);box-shadow:0 0 0 4px rgba(124,92,255,.14),0 0 18px rgba(124,92,255,.5);}
.tl-step:nth-child(3) .tl-dot{background:var(--c-amber);box-shadow:0 0 0 4px rgba(255,176,32,.14),0 0 18px rgba(255,176,32,.5);}
.tl-step h3{
  font-size:19px;
  font-weight:600;
  line-height:1.45;
}
.tl-step .step-tag{
  display:inline-block;
  margin-bottom:10px;
  font-family:var(--font-num);
  font-size:12px;
  letter-spacing:1.5px;
  color:var(--t-3);
}
.tl-step p{
  margin-top:10px;
  font-size:14.5px;
  color:var(--t-2);
  line-height:1.85;
  max-width:340px;
}

/* ---------- 对照行 ---------- */
.compare{
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:rgba(255,255,255,.035);
  backdrop-filter:blur(14px);
  overflow:hidden;
  box-shadow:var(--shadow-card);
}
.compare-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:0;
  padding:24px 28px;
  border-bottom:1px solid var(--line);
  transition:background .16s ease;
}
.compare-row:last-child{border-bottom:none;}
.compare-row:hover{background:rgba(43,227,196,.045);}
.compare-key{
  padding-right:24px;
  font-size:15px;
  font-weight:600;
  color:var(--t-1);
  display:flex;
  gap:10px;
}
.compare-key::before{
  content:"";
  flex:0 0 auto;
  width:3px;
  height:1.05em;
  margin-top:.42em;
  border-radius:2px;
  background:linear-gradient(180deg,var(--c-main),rgba(43,227,196,.2));
}
.compare-val{
  font-size:14.5px;
  color:var(--t-2);
  line-height:1.85;
}
.compare-head{
  display:grid;
  grid-template-columns:1fr 1fr;
  padding:14px 28px;
  background:rgba(255,255,255,.045);
  border-bottom:1px solid var(--line);
  font-size:12.5px;
  letter-spacing:1px;
  color:var(--t-3);
}

/* ---------- 图文卡 ---------- */
.card-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.info-card{
  display:flex;
  flex-direction:column;
  border-radius:var(--r-md);
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(14px);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.info-card:hover{
  transform:translateY(-2px);
  border-color:rgba(43,227,196,.45);
  box-shadow:var(--shadow-card),0 0 28px -6px rgba(43,227,196,.4);
}
.info-card .thumb{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
}
.info-card .thumb img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .35s ease;
}
.info-card:hover .thumb img{transform:scale(1.03);}
.info-card .body{padding:24px 24px 26px;}
.info-card h3{
  font-size:19px;
  font-weight:600;
  line-height:1.45;
}
.info-card p{
  margin-top:10px;
  font-size:14.5px;
  color:var(--t-2);
  line-height:1.85;
}
.info-card ul{
  margin-top:16px;
  display:flex;
  flex-direction:column;
  gap:8px;
}
.info-card ul li{
  position:relative;
  padding-left:16px;
  font-size:14px;
  color:var(--t-2);
}
.info-card ul li::before{
  content:"";
  position:absolute;
  left:0;top:.72em;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--c-main);
  opacity:.85;
}

/* ---------- FAQ ---------- */
.faq-card{
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(14px);
  overflow:hidden;
  box-shadow:var(--shadow-card);
}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:none;}
.faq-q{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  width:100%;
  min-height:64px;
  padding:16px 26px;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--t-1);
  transition:color .16s ease,background .16s ease;
}
.faq-q:hover{background:rgba(255,255,255,.035);}
.faq-icon{
  flex:0 0 auto;
  position:relative;
  width:18px;height:18px;
  transition:transform .22s ease;
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--t-2);
  border-radius:2px;
  transition:background .18s ease;
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-item.is-open .faq-icon::before,
.faq-item.is-open .faq-icon::after{background:var(--c-main);}
.faq-item.is-open .faq-q{color:var(--c-main);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .28s ease;
}
.faq-a-inner{
  padding:0 26px 24px;
  max-width:720px;
  font-size:15px;
  color:var(--t-2);
  line-height:1.85;
}

/* ---------- CTA / 表单 ---------- */
.cta-wrap{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:start;
}
.cta-copy h2{
  font-size:clamp(24px,2.6vw,34px);
  line-height:1.3;
  font-weight:700;
}
.cta-copy > p{
  margin-top:16px;
  font-size:15px;
  color:var(--t-2);
  max-width:440px;
}
.cta-list{
  margin-top:28px;
  display:flex;
  flex-direction:column;
  gap:16px;
}
.cta-list li{
  display:flex;
  gap:12px;
  font-size:14.5px;
  color:var(--t-2);
  line-height:1.8;
}
.cta-list li::before{
  content:"";
  flex:0 0 auto;
  width:18px;height:18px;
  margin-top:.35em;
  border-radius:50%;
  background:rgba(43,227,196,.14);
  border:1px solid rgba(43,227,196,.45);
  box-shadow:inset 0 0 0 4px rgba(43,227,196,.28);
}
.form-card{
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.028));
  backdrop-filter:blur(14px);
  padding:32px;
  box-shadow:var(--shadow-card);
}
.form-card h3{
  font-size:20px;
  font-weight:600;
}
.form-card .form-tip{
  margin-top:8px;
  font-size:13px;
  color:var(--t-3);
}
.field{margin-top:20px;}
.field label{
  display:block;
  font-size:13px;
  color:var(--t-2);
  margin-bottom:8px;
}
.field label .req{color:var(--c-main);margin-left:3px;}
.field input[type="text"],
.field input[type="email"],
.field input[type="tel"],
.field textarea{
  width:100%;
  min-height:48px;
  padding:12px 14px;
  border-radius:var(--r-sm);
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.12);
  color:var(--t-1);
  font-size:14.5px;
  outline:none;
  transition:border-color .16s ease,box-shadow .16s ease,background .16s ease;
}
.field textarea{min-height:110px;resize:vertical;line-height:1.75;}
.field input::placeholder,
.field textarea::placeholder{color:var(--t-3);}
.field input:focus,
.field textarea:focus{
  border-color:var(--c-main);
  background:rgba(43,227,196,.05);
  box-shadow:0 0 0 3px rgba(43,227,196,.18);
}
.pill-group{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.pill-radio{position:relative;}
.pill-radio input{
  position:absolute;
  opacity:0;
  width:100%;height:100%;
  margin:0;
  cursor:pointer;
}
.pill-radio span{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:38px;
  padding:0 18px;
  border-radius:var(--r-pill);
  font-size:13.5px;
  color:var(--t-2);
  background:rgba(255,255,255,.045);
  border:1px solid rgba(255,255,255,.12);
  transition:all .16s ease;
}
.pill-radio input:checked + span{
  color:var(--c-main);
  border-color:rgba(43,227,196,.55);
  background:rgba(43,227,196,.12);
  box-shadow:0 0 18px -8px rgba(43,227,196,.8);
}
.pill-radio input:focus-visible + span{
  outline:2px solid var(--c-main);
  outline-offset:2px;
}
.check-line{
  display:flex;
  align-items:flex-start;
  gap:10px;
  margin-top:20px;
  font-size:12.5px;
  color:var(--t-2);
  line-height:1.7;
}
.check-line input{
  width:16px;height:16px;
  margin-top:3px;
  accent-color:var(--c-main);
  flex:0 0 auto;
}
.check-line a{color:var(--c-main);border-bottom:1px solid rgba(43,227,196,.4);}
.form-card .btn{width:100%;margin-top:22px;}
.form-note{
  margin-top:14px;
  font-size:12px;
  color:var(--t-3);
  line-height:1.7;
}
.form-status{
  margin-top:14px;
  font-size:13.5px;
  display:none;
}
.form-status.is-ok{display:block;color:var(--c-ok);}
.form-status.is-err{display:block;color:var(--c-err);}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  background:var(--bg-1);
  border-top:1px solid var(--line);
  padding:72px 0 0;
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:50%;
  width:900px;height:280px;
  transform:translateX(-50%);
  background:radial-gradient(50% 100% at 50% 0%,rgba(43,227,196,.08),transparent 70%);
  pointer-events:none;
}
.footer-grid{
  position:relative;
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:56px;
}
.footer-brand p{
  margin-top:18px;
  font-size:14px;
  color:var(--t-2);
  line-height:1.85;
  max-width:420px;
}
.footer-contact{
  margin-top:18px;
  font-size:13px;
  color:var(--t-3);
  line-height:1.9;
}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:var(--t-1);
  margin-bottom:18px;
  letter-spacing:.4px;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col ul a{
  font-size:14px;
  color:var(--t-2);
  transition:color .16s ease;
}
.footer-col ul a:hover{color:var(--c-main);}
.footer-col p{
  font-size:13px;
  color:var(--t-3);
  line-height:1.9;
}
.footer-bottom{
  position:relative;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:22px 0 28px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--t-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:1080px;}
  .main-nav{gap:16px;}
  .nav-search input{width:104px;}
}
@media (max-width:1023px){
  .main-nav,.nav-search{display:none;}
  .nav-toggle{display:grid;}
  .section{padding:80px 0;}
  .cta-wrap{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .timeline{grid-template-columns:1fr;gap:28px;padding-top:36px;}
  .timeline::before{display:none;}
  .tl-dot{position:static;display:block;margin-bottom:14px;}
  .card-grid{grid-template-columns:1fr;}
  .compare-row{grid-template-columns:1fr;gap:8px;padding:20px 22px;}
  .compare-key{padding-right:0;}
  .compare-head{display:none;}
  .metric-grid{grid-template-columns:repeat(2,1fr);}
  .metric:nth-child(3)::before,
  .metric:nth-child(2)::before{display:none;}
  .metric:nth-child(3),
  .metric:nth-child(4){border-top:1px solid var(--line);}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:64px 0;}
  .section--tight{padding:56px 0;}
  .header-inner{gap:14px;}
  .logo-text em{letter-spacing:1.6px;}
  .hero-actions .btn{width:100%;}
  .hero-inner{padding-bottom:40px;}
  .page-hero h1{font-size:clamp(26px,7vw,34px);}
  .hero-sub{font-size:15.5px;}
  .faq-q{min-height:56px;padding:14px 20px;font-size:15px;}
  .faq-a-inner{padding:0 20px 20px;font-size:14.5px;}
  .form-card{padding:24px 20px;}
  .metric{padding:24px 20px;}
  .metric + .metric::before{display:none;}
  .metric:nth-child(n+3){border-top:1px solid var(--line);}
  .metric:nth-child(even)::before{
    content:"";
    display:block;
    position:absolute;
    left:0;top:22%;
    width:1px;height:56%;
    background:var(--line);
  }
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:44px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .section-head{margin-bottom:32px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category3 */
:root{
  --bg-0:#06090F;
  --bg-1:#0B1119;
  --bg-2:#111A25;
  --primary:#2BE3C4;
  --primary-deep:#12B79C;
  --violet:#7C5CFF;
  --amber:#FFB020;
  --text:#EAF2F6;
  --text-2:#A9B7C4;
  --text-3:#6F7E8C;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --glass:rgba(255,255,255,.05);
  --glass-soft:rgba(255,255,255,.04);
  --radius-sm:12px;
  --radius:16px;
  --radius-lg:20px;
  --radius-xl:24px;
  --shadow:0 20px 48px -24px rgba(0,0,0,.85);
  --glow:0 0 28px -6px rgba(43,227,196,.4);
  --container:1200px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"DIN Alternate","Barlow",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none}
a:hover{color:#7CF3DE}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;color:var(--text)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
input,textarea,select{font-family:inherit;font-size:15px;color:var(--text)}
::selection{background:rgba(43,227,196,.28);color:#fff}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,label:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  height:64px;
  background:linear-gradient(180deg,rgba(6,9,15,.92),rgba(6,9,15,.55));
  border-bottom:1px solid transparent;
  transition:height .22s ease,background .22s ease,border-color .22s ease,backdrop-filter .22s ease;
}
.site-header.is-scrolled{
  height:56px;
  background:rgba(8,12,18,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:100%;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  text-decoration:none;
}
.logo-mark{
  width:34px;height:34px;
  display:grid;place-items:center;
  border-radius:11px;
  background:rgba(43,227,196,.1);
  border:1px solid rgba(43,227,196,.32);
  box-shadow:0 0 18px -8px rgba(43,227,196,.7);
  flex:0 0 auto;
}
.logo-mark svg{width:20px;height:20px;display:block}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:16px;font-weight:700;letter-spacing:.4px;color:var(--text)}
.logo-text em{
  font-style:normal;
  font-size:10px;
  letter-spacing:2px;
  color:var(--text-3);
  margin-top:2px;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:14px;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 12px;
  font-size:14px;
  color:var(--text-2);
  border-radius:10px;
  transition:color .16s ease,background .16s ease;
  white-space:nowrap;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.04)}
.nav-link.is-active{color:var(--primary)}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:4px;
  height:2px;border-radius:2px;
  background:var(--primary);
  box-shadow:0 0 10px rgba(43,227,196,.75);
}
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
}
.nav-search{
  display:flex;
  align-items:center;
  height:38px;
  padding:0 6px 0 14px;
  border-radius:999px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  transition:border-color .16s ease,box-shadow .16s ease;
}
.nav-search:focus-within{
  border-color:rgba(43,227,196,.55);
  box-shadow:0 0 0 3px rgba(43,227,196,.16);
}
.nav-search input{
  width:132px;
  height:100%;
  border:0;
  background:transparent;
  font-size:13px;
  color:var(--text);
  outline:none;
}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search button{
  width:28px;height:28px;
  display:grid;place-items:center;
  border:0;border-radius:50%;
  background:rgba(43,227,196,.12);
  color:var(--primary);
  cursor:pointer;
  transition:background .16s ease;
}
.nav-search button:hover{background:rgba(43,227,196,.24)}
.nav-search svg{width:14px;height:14px}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--glass-soft);
  cursor:pointer;
  padding:0;
  place-items:center;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  border-radius:2px;
  background:var(--text);
  margin:3px auto;
  transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

/* 抽屉 */
.drawer-mask{
  position:fixed;
  inset:0;
  z-index:130;
  background:rgba(3,6,10,.72);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
  opacity:0;
  transition:opacity .22s ease;
}
.drawer-mask.is-visible{opacity:1}
.mobile-drawer{
  position:fixed;
  top:0;right:0;
  z-index:140;
  width:86vw;
  max-width:380px;
  height:100%;
  padding:20px 22px 32px;
  background:rgba(11,17,25,.94);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  border-left:1px solid var(--line);
  transform:translateX(102%);
  transition:transform .26s cubic-bezier(.4,0,.2,1);
  display:flex;
  flex-direction:column;
  gap:16px;
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:14px;
  border-bottom:1px solid var(--line);
}
.drawer-head span{font-size:13px;letter-spacing:2px;color:var(--text-3)}
.drawer-close{
  width:40px;height:40px;
  border-radius:50%;
  border:1px solid var(--line);
  background:var(--glass-soft);
  color:var(--text-2);
  font-size:20px;
  line-height:1;
  cursor:pointer;
  transition:color .16s ease,border-color .16s ease;
}
.drawer-close:hover{color:var(--primary);border-color:rgba(43,227,196,.5)}
.drawer-nav{display:flex;flex-direction:column}
.drawer-link{
  display:flex;
  align-items:center;
  min-height:50px;
  font-size:15px;
  color:var(--text-2);
  border-bottom:1px solid var(--line);
  transition:color .16s ease,padding-left .16s ease;
}
.drawer-link:hover,.drawer-link.is-active{color:var(--primary);padding-left:6px}
.drawer-foot{
  margin-top:auto;
  padding-top:16px;
  border-top:1px solid var(--line);
  font-size:12px;
  color:var(--text-3);
  line-height:1.7;
}

/* ============ 面包屑 ============ */
.breadcrumb{padding:22px 0 0}
.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)}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb li[aria-current="page"]{color:var(--primary)}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;
  padding:26px 0 44px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.cat-hero::before{
  content:"";
  position:absolute;
  top:-260px;left:-10%;
  width:820px;height:640px;
  background:radial-gradient(circle at 42% 46%,rgba(43,227,196,.16),transparent 68%);
  pointer-events:none;
}
.cat-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center right;
  opacity:.16;
  -webkit-mask-image:linear-gradient(90deg,rgba(0,0,0,.15),transparent 72%);
  mask-image:linear-gradient(90deg,rgba(0,0,0,.15),transparent 72%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:1;max-width:800px}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  background:rgba(43,227,196,.1);
  border:1px solid rgba(43,227,196,.3);
  color:var(--primary);
  font-size:12px;
  font-weight:500;
  letter-spacing:.5px;
  margin-bottom:18px;
}
.eyebrow::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 8px rgba(43,227,196,.9);
}
.hero-title{
  font-size:clamp(30px,4.2vw,46px);
  line-height:1.18;
  letter-spacing:-.5px;
  margin-bottom:16px;
}
.hero-title .hl{color:var(--primary)}
.hero-sub{
  max-width:620px;
  font-size:16px;
  color:var(--text-2);
  line-height:1.8;
}
.anchor-bar{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:28px;
}
.anchor-link{
  display:inline-flex;
  align-items:center;
  height:36px;
  padding:0 16px;
  border-radius:999px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  color:var(--text-2);
  font-size:13px;
  transition:color .16s ease,border-color .16s ease,background .16s ease,transform .16s ease;
}
.anchor-link:hover{
  color:var(--primary);
  border-color:rgba(43,227,196,.45);
  background:rgba(43,227,196,.08);
  transform:translateY(-1px);
}

/* ============ 板块通用 ============ */
.section{padding:72px 0}
.section--tight{padding:56px 0}
.section-bg{
  background:var(--bg-1);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.section-head{max-width:720px;margin-bottom:36px}
.section-title{
  font-size:clamp(24px,2.6vw,32px);
  line-height:1.28;
  letter-spacing:-.3px;
  margin-bottom:12px;
}
.section-sub{font-size:15px;color:var(--text-2);line-height:1.8}

/* ============ 主体两栏 ============ */
.layout-split{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:32px;
  align-items:start;
}
.card-wall{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.rank-card{
  position:relative;
  display:flex;
  flex-direction:column;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.rank-card:hover{
  transform:translateY(-2px);
  border-color:rgba(43,227,196,.45);
  box-shadow:var(--shadow),var(--glow);
}
.card-media{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--bg-1);
}
.card-media img{
  width:100%;height:100%;
  object-fit:cover;
  opacity:.82;
}
.card-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,9,15,0) 30%,rgba(11,17,25,.92) 100%);
}
.rank-num{
  position:absolute;
  top:14px;left:14px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:42px;
  height:26px;
  padding:0 10px;
  border-radius:8px;
  background:rgba(43,227,196,.14);
  border:1px solid rgba(43,227,196,.42);
  color:var(--primary);
  font-family:var(--font-num);
  font-size:13px;
  letter-spacing:1px;
}
.card-body{
  padding:22px 22px 24px;
  display:flex;
  flex-direction:column;
  gap:12px;
  flex:1;
}
.card-title{font-size:19px;line-height:1.4}
.card-text{font-size:14px;color:var(--text-2);line-height:1.8}
.point-list{display:flex;flex-direction:column;gap:8px;margin-top:2px}
.point-list li{
  position:relative;
  padding-left:16px;
  font-size:13.5px;
  color:var(--text-2);
  line-height:1.7;
}
.point-list li::before{
  content:"";
  position:absolute;
  left:0;top:9px;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 8px rgba(43,227,196,.6);
}
.point-link{
  margin-top:auto;
  padding-top:6px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13.5px;
  color:var(--primary);
  font-weight:500;
  transition:gap .16s ease,color .16s ease;
}
.point-link:hover{gap:10px;color:#7CF3DE}

/* 侧栏 */
.side-col{
  position:sticky;
  top:88px;
  display:grid;
  gap:20px;
}
.side-card{
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:22px 20px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
}
.side-title{
  font-size:14px;
  font-weight:600;
  letter-spacing:.5px;
  color:var(--text);
  margin-bottom:14px;
  padding-left:10px;
  position:relative;
}
.side-title::before{
  content:"";
  position:absolute;
  left:0;top:4px;bottom:4px;
  width:3px;border-radius:2px;
  background:var(--primary);
  box-shadow:0 0 10px rgba(43,227,196,.7);
}
.side-list{display:flex;flex-direction:column;gap:12px}
.side-list li{
  font-size:13.5px;
  color:var(--text-2);
  line-height:1.7;
  padding-bottom:12px;
  border-bottom:1px solid var(--line);
}
.side-list li:last-child{padding-bottom:0;border-bottom:0}
.side-list strong{display:block;color:var(--text);font-size:13.5px;font-weight:600;margin-bottom:2px}
.side-cta{
  background:
    radial-gradient(circle at 80% 0%,rgba(124,92,255,.22),transparent 62%),
    var(--bg-2);
  border:1px solid rgba(124,92,255,.32);
  border-radius:var(--radius-lg);
  padding:22px 20px;
}
.side-cta h3{font-size:16px;margin-bottom:8px}
.side-cta p{font-size:13px;color:var(--text-2);line-height:1.75;margin-bottom:16px}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  text-decoration:none;
  transition:transform .16s ease-out,box-shadow .16s ease-out,background .16s ease,color .16s ease,border-color .16s ease,filter .16s ease;
}
.btn-primary{
  background:linear-gradient(180deg,#3BF0D2,#12B79C);
  color:#04120F;
  box-shadow:0 0 0 1px rgba(43,227,196,.35),0 0 28px -6px rgba(43,227,196,.45);
}
.btn-primary:hover{
  filter:brightness(1.08);
  transform:translateY(-1px);
  box-shadow:0 0 0 1px rgba(43,227,196,.5),0 0 34px -6px rgba(43,227,196,.6);
  color:#04120F;
}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(43,227,196,.4),0 0 18px -8px rgba(43,227,196,.5)}
.btn-ghost{
  background:rgba(255,255,255,.04);
  border-color:var(--line-strong);
  color:var(--text);
}
.btn-ghost:hover{
  border-color:rgba(43,227,196,.5);
  color:var(--primary);
  transform:translateY(-1px);
}
.btn-sm{height:38px;padding:0 18px;font-size:13.5px;border-radius:999px}
.btn-block{width:100%}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;transform:none}

/* ============ 数据条 ============ */
.stat-row{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  padding:32px 8px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
}
.stat-item{
  position:relative;
  padding:0 20px;
  text-align:center;
}
.stat-item+.stat-item::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  transform:translateY(-50%);
  width:1px;height:52px;
  background:var(--line);
}
.stat-value{
  font-family:var(--font-num);
  font-size:clamp(30px,3.4vw,42px);
  line-height:1.1;
  color:var(--amber);
  letter-spacing:-1px;
}
.stat-value small{font-size:14px;margin-left:3px;color:var(--text-2);font-family:var(--font-cn)}
.stat-label{margin-top:8px;font-size:13px;color:var(--text-2);line-height:1.6}

/* ============ 流程 ============ */
.flow-list{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
  margin-top:8px;
}
.flow-item{
  position:relative;
  padding:26px 22px 24px;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  transition:border-color .2s ease,transform .2s ease-out;
}
.flow-item:hover{border-color:rgba(43,227,196,.4);transform:translateY(-2px)}
.flow-dot{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;height:34px;
  border-radius:50%;
  background:rgba(43,227,196,.12);
  border:1px solid rgba(43,227,196,.45);
  color:var(--primary);
  font-family:var(--font-num);
  font-size:13px;
  margin-bottom:16px;
}
.flow-item::after{
  content:"";
  position:absolute;
  top:43px;right:-13px;
  width:26px;height:1px;
  background:linear-gradient(90deg,rgba(43,227,196,.55),rgba(43,227,196,0));
}
.flow-item:last-child::after{display:none}
.flow-title{font-size:17px;margin-bottom:8px}
.flow-text{font-size:13.5px;color:var(--text-2);line-height:1.75}

/* ============ FAQ ============ */
.faq-card{
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  padding:6px 26px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-q{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  width:100%;
  min-height:64px;
  padding:10px 0;
  background:none;
  border:0;
  text-align:left;
  cursor:pointer;
  color:var(--text);
  font-size:16px;
  font-weight:600;
  line-height:1.5;
  transition:color .16s ease;
}
.faq-q:hover{color:var(--primary)}
.faq-icon{
  flex:0 0 auto;
  width:22px;height:22px;
  display:grid;place-items:center;
  color:var(--text-2);
  transition:transform .24s ease,color .24s ease;
}
.faq-icon svg{width:14px;height:14px}
.faq-item.is-open .faq-icon{transform:rotate(45deg);color:var(--primary)}
.faq-a{
  display:grid;
  grid-template-rows:0fr;
  transition:grid-template-rows .28s ease;
}
.faq-item.is-open .faq-a{grid-template-rows:1fr}
.faq-a-inner{
  overflow:hidden;
  max-width:720px;
  font-size:15px;
  line-height:1.8;
  color:var(--text-2);
}
.faq-a-inner p{padding-bottom:20px}

/* ============ 表单 ============ */
.lead-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);
  gap:40px;
  align-items:start;
}
.lead-copy h2{margin-bottom:14px}
.lead-copy>p{font-size:15px;color:var(--text-2);line-height:1.85;margin-bottom:22px}
.lead-list{display:flex;flex-direction:column;gap:12px}
.lead-list li{
  position:relative;
  padding-left:26px;
  font-size:14px;
  color:var(--text-2);
  line-height:1.7;
}
.lead-list li::before{
  content:"";
  position:absolute;
  left:0;top:7px;
  width:12px;height:12px;
  border-radius:4px;
  border:1px solid rgba(43,227,196,.55);
  background:rgba(43,227,196,.16);
}
.form-card{
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  padding:28px;
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.08);
}
.field{margin-bottom:18px}
.field-label{
  display:block;
  font-size:13px;
  color:var(--text-2);
  margin-bottom:8px;
}
.req{color:var(--primary);margin-left:3px}
.field-input,
.field textarea{
  width:100%;
  min-height:48px;
  padding:12px 14px;
  border-radius:var(--radius-sm);
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.12);
  color:var(--text);
  outline:none;
  transition:border-color .16s ease,box-shadow .16s ease;
}
.field textarea{min-height:104px;resize:vertical;line-height:1.7}
.field-input::placeholder,
.field textarea::placeholder{color:var(--text-3)}
.field-input:focus,
.field textarea:focus{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(43,227,196,.18);
}
.field.has-error .field-input,
.field.has-error textarea{border-color:#FF5C6C;box-shadow:0 0 0 3px rgba(255,92,108,.14)}
.error-msg{display:none;margin-top:6px;font-size:12px;color:#FF5C6C}
.field.has-error .error-msg{display:block}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{position:relative;cursor:pointer}
.chip input{position:absolute;opacity:0;width:0;height:0}
.chip span{
  display:inline-flex;
  align-items:center;
  height:36px;
  padding:0 16px;
  border-radius:999px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.12);
  color:var(--text-2);
  font-size:13px;
  transition:color .16s ease,border-color .16s ease,background .16s ease;
}
.chip input:checked+span{
  color:var(--primary);
  border-color:rgba(43,227,196,.55);
  background:rgba(43,227,196,.12);
}
.chip input:focus-visible+span{outline:2px solid var(--primary);outline-offset:2px}
.check-row{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:12.5px;
  color:var(--text-3);
  line-height:1.7;
  margin-bottom:18px;
}
.check-row input{
  width:16px;height:16px;
  margin-top:4px;
  accent-color:var(--primary);
  flex:0 0 auto;
}
.check-row a{color:var(--text-2);text-decoration:underline;text-underline-offset:3px}
.check-row a:hover{color:var(--primary)}
.form-note{font-size:12px;color:var(--text-3);line-height:1.7;margin-top:14px}
.form-success{
  display:none;
  margin-top:16px;
  padding:14px 16px;
  border-radius:var(--radius-sm);
  background:rgba(43,217,124,.1);
  border:1px solid rgba(43,217,124,.4);
  color:#8BF0B8;
  font-size:13.5px;
  line-height:1.7;
}
.form-success.is-visible{display:block}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  background:var(--bg-1);
  border-top:1px solid var(--line);
  padding:64px 0 28px;
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:-200px;left:50%;
  transform:translateX(-50%);
  width:900px;height:420px;
  background:radial-gradient(circle at 50% 50%,rgba(43,227,196,.08),transparent 68%);
  pointer-events:none;
}
.footer-grid{
  position:relative;
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{
  font-size:13.5px;
  color:var(--text-2);
  line-height:1.85;
  max-width:360px;
  margin-bottom:14px;
}
.footer-contact{font-size:13px;color:var(--text-3);line-height:1.9}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  margin-bottom:16px;
  color:var(--text);
}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--text-2);transition:color .16s ease}
.footer-col a:hover{color:var(--primary)}
.footer-col p{font-size:13px;color:var(--text-3);line-height:1.85}
.footer-bottom{
  position:relative;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:22px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-3);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{padding:0 22px}
  .layout-split{grid-template-columns:minmax(0,1fr) 280px;gap:26px}
}
@media (max-width:1023px){
  .main-nav{display:none}
  .nav-search{display:none}
  .nav-toggle{display:grid}
  .layout-split{grid-template-columns:1fr}
  .side-col{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}
  .card-wall{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat-row{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 0;padding:26px 4px}
  .stat-item:nth-child(3)::before{display:none}
  .flow-list{grid-template-columns:1fr}
  .flow-item::after{display:none}
  .lead-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .footer-brand{grid-column:1/-1}
  .section{padding:64px 0}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .site-header{height:56px}
  .site-header.is-scrolled{height:56px}
  .logo-mark{width:30px;height:30px;border-radius:10px}
  .logo-text strong{font-size:15px}
  .logo-text em{font-size:9px;letter-spacing:1.6px}
  .breadcrumb{padding-top:16px}
  .cat-hero{padding:20px 0 34px}
  .hero-title{font-size:clamp(26px,7vw,32px);margin-bottom:12px}
  .hero-sub{font-size:14.5px}
  .anchor-bar{gap:8px;margin-top:22px}
  .anchor-link{height:34px;padding:0 13px;font-size:12.5px}
  .section{padding:52px 0}
  .section-head{margin-bottom:26px}
  .card-wall{grid-template-columns:1fr;gap:18px}
  .side-col{grid-template-columns:1fr}
  .stat-row{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat-item{padding:0 14px}
  .stat-item::before{display:none!important}
  .stat-value{font-size:30px}
  .faq-card{padding:4px 18px}
  .faq-q{min-height:56px;font-size:15px}
  .form-card{padding:22px 18px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;font-size:12.5px}
  .btn{width:100%}
  .btn-sm{width:auto}
  .hero-actions .btn{width:100%}
}
@media (max-width:519px){
  .hero-title{font-size:26px}
  .stat-row{grid-template-columns:1fr}
  .stat-item{padding:14px 0}
  .chips{gap:8px}
  .chip span{height:34px;padding:0 13px;font-size:12.5px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms!important;
    transition-duration:.001ms!important;
    scroll-behavior:auto!important;
  }
}

/* roulang page: category4 */
:root{
  --bg-0:#06090F;
  --bg-1:#0B1119;
  --bg-2:#111A25;
  --primary:#2BE3C4;
  --primary-deep:#12B79C;
  --violet:#7C5CFF;
  --amber:#FFB020;
  --ok:#2BD97C;
  --warn:#FFB020;
  --err:#FF5C6C;
  --text:#EAF2F6;
  --text-2:#A9B7C4;
  --text-3:#6F7E8C;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --glass:rgba(255,255,255,.05);
  --glass-brd:rgba(255,255,255,.09);
  --radius-s:12px;
  --radius-m:16px;
  --radius-l:20px;
  --radius-xl:24px;
  --container:1200px;
  --shadow-1:0 20px 48px -24px rgba(0,0,0,.85);
  --shadow-glow:0 0 28px -6px rgba(43,227,196,.4);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"DIN Alternate","Barlow",ui-monospace,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg-0);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
input,textarea,button,select{font-family:inherit;font-size:inherit;color:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
::selection{background:rgba(43,227,196,.28);color:#fff}

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

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(8,12,18,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .2s ease, border-color .2s ease;
}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  height:64px;
  transition:height .2s ease;
}
.site-header.is-scrolled .header-inner{height:56px}
.site-header.is-scrolled{background:rgba(8,12,18,.88)}

.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.logo-mark{
  width:34px;height:34px;
  display:grid;place-items:center;
  border-radius:11px;
  background:rgba(43,227,196,.1);
  border:1px solid rgba(43,227,196,.28);
  box-shadow:0 0 18px -6px rgba(43,227,196,.6);
}
.logo-mark svg{width:20px;height:20px}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:16px;font-weight:700;letter-spacing:.2px}
.logo-text em{font-size:11px;font-style:normal;letter-spacing:2px;color:var(--text-2)}

.main-nav{
  display:flex;
  align-items:center;
  gap:2px;
  margin-left:8px;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 12px;
  font-size:14px;
  color:var(--text-2);
  border-radius:10px;
  transition:color .16s ease,background .16s ease;
  white-space:nowrap;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-link.is-active{color:var(--text);font-weight:600}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:1px;
  height:2px;border-radius:2px;
  background:var(--primary);
  box-shadow:0 0 10px rgba(43,227,196,.85);
}
.header-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:10px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 24px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:14px;
  font-weight:600;
  letter-spacing:.2px;
  cursor:pointer;
  text-align:center;
  transition:transform .16s ease-out,box-shadow .16s ease-out,filter .16s ease-out,background .16s ease-out,border-color .16s ease-out;
}
.btn-primary{
  background:var(--primary);
  color:#04120F;
  box-shadow:0 0 0 1px rgba(43,227,196,.35),0 0 28px -6px rgba(43,227,196,.45);
}
.btn-primary:hover{
  filter:brightness(1.08);
  transform:translateY(-1px);
  box-shadow:0 0 0 1px rgba(43,227,196,.5),0 0 34px -6px rgba(43,227,196,.6);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(43,227,196,.6),0 0 16px -6px rgba(43,227,196,.7)}
.btn-ghost{
  background:rgba(255,255,255,.04);
  border-color:rgba(255,255,255,.14);
  color:var(--text);
}
.btn-ghost:hover{
  background:rgba(255,255,255,.08);
  border-color:rgba(43,227,196,.45);
  transform:translateY(-1px);
}
.btn-sm{height:38px;padding:0 18px;font-size:13px}
.btn-block{width:100%}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none}

.nav-burger{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  flex-direction:column;gap:5px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line-strong);
  border-radius:12px;
  cursor:pointer;
  transition:background .16s ease,border-color .16s ease;
}
.nav-burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text)}
.nav-burger:hover{background:rgba(255,255,255,.08);border-color:rgba(43,227,196,.4)}

/* ---------- 移动抽屉 ---------- */
.drawer-overlay{
  position:fixed;inset:0;
  background:rgba(3,6,10,.72);
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
  opacity:0;visibility:hidden;
  transition:opacity .24s ease,visibility .24s ease;
  z-index:110;
}
.drawer-overlay.is-open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;
  top:0;right:0;
  width:86vw;max-width:360px;height:100%;
  display:flex;flex-direction:column;
  padding:20px 22px 28px;
  background:rgba(11,17,25,.97);
  border-left:1px solid var(--line);
  transform:translateX(102%);
  transition:transform .28s ease;
  z-index:120;
  overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding-bottom:16px;
  border-bottom:1px solid var(--line);
}
.drawer-title{font-size:14px;color:var(--text-2);letter-spacing:1px}
.drawer-close{
  width:40px;height:40px;
  display:grid;place-items:center;
  border-radius:50%;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line-strong);
  color:var(--text);
  font-size:18px;line-height:1;
  cursor:pointer;
}
.drawer-close:hover{background:rgba(255,255,255,.1)}
.drawer-nav{display:flex;flex-direction:column;padding:8px 0 18px}
.drawer-nav a{
  display:flex;align-items:center;
  min-height:48px;
  font-size:15px;
  color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.drawer-nav a.is-active{color:var(--primary);font-weight:600}
.drawer-foot{margin-top:auto;padding-top:20px;font-size:12px;color:var(--text-3);line-height:1.7}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  padding:64px 0 56px;
  border-bottom:1px solid var(--line);
  background:
    radial-gradient(900px 400px at 18% -20%, rgba(43,227,196,.16), transparent 70%),
    radial-gradient(600px 320px at 92% 0%, rgba(124,92,255,.14), transparent 72%),
    linear-gradient(180deg,#06090F 0%,#0B1119 100%);
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(43,227,196,.35),transparent);
  opacity:.6;
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:6px;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:22px;
}
.breadcrumb li{display:inline-flex;align-items:center;gap:6px}
.breadcrumb li+li::before{content:"›";color:var(--text-3);opacity:.7}
.breadcrumb a{color:var(--text-3);transition:color .16s ease}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .current{color:var(--primary)}

.badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:24px;
  padding:0 10px;
  border-radius:999px;
  font-size:12px;
  font-weight:500;
  color:var(--text-2);
  background:var(--glass);
  border:1px solid var(--glass-brd);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.badge::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 8px rgba(43,227,196,.9);
}
.badge-amber{color:var(--amber);border-color:rgba(255,176,32,.28);background:rgba(255,176,32,.09)}
.badge-amber::before{background:var(--amber);box-shadow:0 0 8px rgba(255,176,32,.9)}

.page-hero h1{
  font-size:clamp(30px,4.4vw,48px);
  line-height:1.15;
  font-weight:700;
  letter-spacing:-.5px;
  margin:18px 0 16px;
}
.page-hero h1 .hl{
  background:linear-gradient(120deg,var(--primary),var(--violet));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-sub{
  max-width:640px;
  font-size:16px;
  line-height:1.85;
  color:var(--text-2);
}
.hero-switch{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:30px;
}
.switch-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:38px;
  padding:0 16px;
  border-radius:999px;
  font-size:13px;
  color:var(--text-2);
  background:rgba(255,255,255,.04);
  border:1px solid var(--glass-brd);
  transition:color .16s ease,border-color .16s ease,background .16s ease,transform .16s ease;
}
.switch-pill:hover{
  color:var(--text);
  border-color:rgba(43,227,196,.45);
  background:rgba(43,227,196,.08);
  transform:translateY(-1px);
}
.switch-pill .dot{width:5px;height:5px;border-radius:50%;background:var(--primary)}

/* ---------- 主体 ---------- */
.section{padding:88px 0}
.section-head{max-width:720px;margin-bottom:36px}
.section-head h2{
  font-size:clamp(24px,2.6vw,32px);
  line-height:1.25;
  font-weight:700;
  letter-spacing:-.2px;
  margin:14px 0 12px;
}
.section-head p{color:var(--text-2);font-size:15px;line-height:1.8}

.guide-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 330px;
  gap:36px;
  align-items:start;
}
.guide-main{min-width:0}
.block-title{
  font-size:20px;
  font-weight:600;
  line-height:1.4;
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:8px;
}
.block-title::before{
  content:"";
  width:3px;height:18px;border-radius:2px;
  background:var(--primary);
  box-shadow:0 0 12px rgba(43,227,196,.8);
}
.block-desc{font-size:14px;color:var(--text-3);margin-bottom:18px}

/* 清单行 */
.check-list{
  border-top:1px solid var(--line);
  margin-bottom:56px;
}
.check-row{
  display:grid;
  grid-template-columns:250px minmax(0,1fr);
  gap:24px;
  padding:22px 0;
  border-bottom:1px solid var(--line);
  transition:background .18s ease;
}
.check-row:hover{background:rgba(255,255,255,.018)}
.check-row h3{
  font-size:16px;
  font-weight:600;
  line-height:1.5;
  display:flex;
  align-items:baseline;
  gap:9px;
}
.check-row h3::before{
  content:"";
  flex:0 0 auto;
  width:6px;height:6px;border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 8px rgba(43,227,196,.9);
  transform:translateY(-2px);
}
.check-row p{
  font-size:14.5px;
  line-height:1.85;
  color:var(--text-2);
}

/* 步骤 */
.step-list{margin-bottom:56px}
.step{
  display:grid;
  grid-template-columns:56px minmax(0,1fr);
  gap:18px;
  padding:20px 0;
  border-bottom:1px solid var(--line);
}
.step:last-child{border-bottom:none}
.step-num{
  width:44px;height:44px;
  display:grid;place-items:center;
  border-radius:var(--radius-s);
  font-family:var(--font-num);
  font-size:15px;
  font-weight:700;
  letter-spacing:.5px;
  color:var(--primary);
  background:rgba(43,227,196,.12);
  border:1px solid rgba(43,227,196,.3);
}
.step-body h3{font-size:16px;font-weight:600;margin-bottom:6px}
.step-body p{font-size:14.5px;line-height:1.8;color:var(--text-2)}

/* FAQ */
.faq-card{
  background:var(--glass);
  border:1px solid var(--glass-brd);
  border-radius:var(--radius-l);
  padding:6px 24px;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:none}
.faq-q{
  width:100%;
  min-height:64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:14px 2px;
  background:none;
  border:0;
  text-align:left;
  font-size:16px;
  font-weight:600;
  line-height:1.5;
  color:var(--text);
  cursor:pointer;
  transition:color .16s ease;
}
.faq-q:hover{color:var(--primary)}
.faq-icon{
  position:relative;
  flex:0 0 auto;
  width:22px;height:22px;
  border-radius:50%;
  border:1px solid var(--line-strong);
  transition:transform .24s ease,border-color .24s ease,color .24s ease;
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  background:currentColor;
  border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:10px;height:1.6px}
.faq-icon::after{width:1.6px;height:10px;transition:opacity .24s ease}
.faq-item.is-open .faq-icon{transform:rotate(45deg);border-color:rgba(43,227,196,.6);color:var(--primary)}
.faq-item.is-open .faq-q{color:var(--primary)}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease;
}
.faq-a p{
  max-width:720px;
  padding:0 2px 22px;
  font-size:15px;
  line-height:1.8;
  color:var(--text-2);
}

/* 侧栏 */
.guide-side{
  position:sticky;
  top:88px;
  display:flex;
  flex-direction:column;
  gap:18px;
}
.side-card{
  border-radius:var(--radius-l);
  padding:26px;
  background:linear-gradient(180deg,rgba(43,227,196,.09),rgba(255,255,255,.035));
  border:1px solid rgba(43,227,196,.22);
  box-shadow:var(--shadow-1),inset 0 1px 0 rgba(255,255,255,.08);
}
.side-card h3{font-size:18px;font-weight:600;line-height:1.4;margin-bottom:10px}
.side-card p{font-size:13.5px;line-height:1.8;color:var(--text-2)}
.side-points{
  display:flex;
  flex-direction:column;
  gap:10px;
  margin:18px 0 22px;
  padding-top:18px;
  border-top:1px dashed rgba(255,255,255,.14);
}
.side-points li{
  position:relative;
  padding-left:16px;
  font-size:13.5px;
  line-height:1.7;
  color:var(--text-2);
}
.side-points li::before{
  content:"";
  position:absolute;
  left:0;top:9px;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--primary);
  opacity:.85;
}
.side-note{
  margin-top:14px;
  font-size:12px;
  line-height:1.7;
  color:var(--text-3);
  text-align:center;
}
.side-plain{
  border-radius:var(--radius-l);
  padding:22px;
  background:var(--glass);
  border:1px solid var(--glass-brd);
}
.side-plain h4{font-size:14px;font-weight:600;margin-bottom:12px;color:var(--text)}
.side-plain ul{display:flex;flex-direction:column;gap:9px}
.side-plain li{
  font-size:13px;
  line-height:1.7;
  color:var(--text-3);
  display:flex;
  justify-content:space-between;
  gap:12px;
  padding-bottom:9px;
  border-bottom:1px solid var(--line);
}
.side-plain li:last-child{padding-bottom:0;border-bottom:none}
.side-plain li b{color:var(--text-2);font-weight:500}

/* ---------- 线索表单 ---------- */
.lead-section{
  padding:88px 0;
  background:linear-gradient(180deg,var(--bg-1),var(--bg-0));
  border-top:1px solid var(--line);
}
.lead-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:52px;
  align-items:start;
}
.lead-copy h2{
  font-size:clamp(24px,2.6vw,32px);
  line-height:1.25;
  font-weight:700;
  margin:14px 0 14px;
}
.lead-copy > p{color:var(--text-2);font-size:15px;line-height:1.85;max-width:520px}
.lead-figure{
  margin-top:26px;
  border-radius:var(--radius-m);
  overflow:hidden;
  border:1px solid var(--glass-brd);
  box-shadow:var(--shadow-1);
}
.lead-figure img{width:100%;height:210px;object-fit:cover}
.lead-points{
  display:flex;
  flex-direction:column;
  gap:12px;
  margin-top:22px;
}
.lead-points li{
  display:flex;
  gap:10px;
  font-size:14px;
  line-height:1.75;
  color:var(--text-2);
}
.lead-points li::before{
  content:"";
  flex:0 0 auto;
  width:6px;height:6px;
  margin-top:9px;
  border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 8px rgba(43,227,196,.8);
}

.lead-form-card{
  background:var(--glass);
  border:1px solid var(--glass-brd);
  border-radius:var(--radius-l);
  padding:30px;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-1),inset 0 1px 0 rgba(255,255,255,.08);
  scroll-margin-top:96px;
}
.lead-form-card h3{font-size:18px;font-weight:600;margin-bottom:6px}
.form-hint{font-size:13px;color:var(--text-3);margin-bottom:22px}

.field{margin-bottom:18px}
.field label{
  display:block;
  font-size:13px;
  color:var(--text-2);
  margin-bottom:8px;
}
.req{color:var(--primary)}
.field input[type="text"],
.field textarea{
  width:100%;
  min-height:48px;
  padding:12px 14px;
  border-radius:var(--radius-s);
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.12);
  color:var(--text);
  font-size:14px;
  line-height:1.6;
  transition:border-color .16s ease,box-shadow .16s ease,background .16s ease;
}
.field textarea{resize:vertical;min-height:104px}
.field input::placeholder,
.field textarea::placeholder{color:var(--text-3)}
.field input:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--primary);
  background:rgba(43,227,196,.05);
  box-shadow:0 0 0 3px rgba(43,227,196,.18);
}
.field.has-error input,
.field.has-error textarea{border-color:var(--err);box-shadow:0 0 0 3px rgba(255,92,108,.16)}
.err{
  display:none;
  margin-top:6px;
  font-size:12px;
  color:var(--err);
}
.err.is-show{display:block}

.chip-group{display:flex;flex-wrap:wrap;gap:9px}
.chip{position:relative;display:inline-flex}
.chip input{
  position:absolute;
  opacity:0;
  width:100%;height:100%;
  margin:0;
  cursor:pointer;
}
.chip span{
  display:inline-flex;
  align-items:center;
  height:36px;
  padding:0 15px;
  border-radius:999px;
  font-size:13px;
  color:var(--text-2);
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.12);
  transition:all .16s ease;
}
.chip input:checked + span{
  color:#04120F;
  font-weight:600;
  background:var(--primary);
  border-color:var(--primary);
  box-shadow:0 0 18px -6px rgba(43,227,196,.7);
}
.chip input:focus-visible + span{outline:2px solid var(--primary);outline-offset:2px}
.chip span:hover{border-color:rgba(43,227,196,.45);color:var(--text)}

.check-line{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:12.5px;
  line-height:1.7;
  color:var(--text-3);
  margin:6px 0 18px;
  cursor:pointer;
}
.check-line input{
  width:16px;height:16px;
  margin-top:3px;
  accent-color:var(--primary);
  flex:0 0 auto;
}
.check-line a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}

.form-note{
  margin-top:12px;
  font-size:12px;
  color:var(--text-3);
  text-align:center;
}
.form-success{
  display:none;
  padding:18px;
  border-radius:var(--radius-s);
  background:rgba(43,217,124,.1);
  border:1px solid rgba(43,217,124,.35);
  color:#BDF5D6;
  font-size:14px;
  line-height:1.75;
}
.form-success.is-show{display:block}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  background:var(--bg-1);
  border-top:1px solid var(--line);
  padding:60px 0 0;
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:50%;
  width:760px;height:220px;
  transform:translateX(-50%);
  background:radial-gradient(closest-side,rgba(43,227,196,.08),transparent);
  pointer-events:none;
}
.footer-grid{
  position:relative;
  display:grid;
  grid-template-columns:1.9fr 1fr 1fr 1.25fr;
  gap:36px;
  padding-bottom:44px;
}
.footer-brand p{
  font-size:13.5px;
  line-height:1.85;
  color:var(--text-2);
  margin-top:16px;
  max-width:380px;
}
.footer-contact{
  margin-top:14px;
  font-size:13px;
  line-height:1.8;
  color:var(--text-3);
}
.site-footer .logo{margin-bottom:4px}
.footer-col h4{
  font-size:13px;
  font-weight:600;
  letter-spacing:1px;
  color:var(--text);
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a,
.footer-col li{
  font-size:14px;
  color:var(--text-2);
  transition:color .16s ease;
  line-height:1.7;
}
.footer-col a:hover{color:var(--primary)}
.footer-col p{font-size:13px;line-height:1.85;color:var(--text-3)}
.footer-bottom{
  position:relative;
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  padding:18px 0 22px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-3);
}

/* ---------- 动效 ---------- */
.reveal{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .3s ease,transform .3s ease;
}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .guide-layout{grid-template-columns:minmax(0,1fr) 300px;gap:28px}
}
@media (max-width:1024px){
  .main-nav{display:none}
  .nav-burger{display:flex}
  .header-actions .btn-sm{display:none}
  .guide-layout{grid-template-columns:1fr}
  .guide-side{position:static;top:auto;flex-direction:row;flex-wrap:wrap}
  .guide-side > *{flex:1 1 300px}
  .lead-grid{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .section{padding:64px 0}
  .lead-section{padding:64px 0}
  .page-hero{padding:44px 0 40px}
  .check-row{grid-template-columns:1fr;gap:8px;padding:18px 0}
  .step{grid-template-columns:48px minmax(0,1fr);gap:14px}
  .step-num{width:38px;height:38px;font-size:14px;border-radius:10px}
  .faq-card{padding:4px 18px}
  .faq-q{min-height:56px;font-size:15px}
  .faq-a p{font-size:14.5px;line-height:1.8}
  .lead-form-card{padding:22px}
  .lead-figure img{height:170px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .footer-brand p{max-width:none}
  .footer-bottom{flex-direction:column;gap:8px;font-size:12.5px}
  .side-card,.side-plain{padding:22px}
  .section-head{margin-bottom:26px}
  .check-list,.step-list{margin-bottom:44px}
}
@media (max-width:520px){
  .page-hero h1{font-size:28px}
  .hero-switch .switch-pill{height:34px;padding:0 13px;font-size:12px}
  .lead-form-card{padding:20px}
  .lead-form-card h3{font-size:16px}
  .btn{width:100%}
  .header-actions .btn{width:auto}
  .chip span{height:34px;padding:0 13px;font-size:12.5px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
}