/* roulang page: index */
:root{
  --bg-0:#070C18;
  --bg-1:#0B1226;
  --brand:#2FE3C4;
  --accent:#FF9E64;
  --violet:#7C6CFF;
  --text:#F5F9FF;
  --text-2:#A9B7CC;
  --text-3:#6F8099;
  --card:rgba(255,255,255,0.06);
  --card-hi:rgba(255,255,255,0.09);
  --border:rgba(255,255,255,0.12);
  --border-hi:rgba(255,255,255,0.24);
  --radius-l:24px;
  --radius-m:18px;
  --radius-s:14px;
  --shadow-card:0 20px 60px rgba(0,0,0,0.45);
  --shadow-dock:0 18px 50px rgba(0,0,0,0.52);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"Inter","Manrope","PingFang SC",system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}

html{scroll-behavior:smooth;}

body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,0.032) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.032) 1px, transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(circle at 50% 0%, #000 0%, transparent 78%);
  mask-image:radial-gradient(circle at 50% 0%, #000 0%, transparent 78%);
}

body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(620px 420px at 12% 6%, rgba(47,227,196,0.15), transparent 70%),
    radial-gradient(720px 520px at 88% 22%, rgba(124,108,255,0.11), transparent 72%),
    radial-gradient(640px 520px at 50% 102%, rgba(255,158,100,0.09), transparent 72%);
}

.grain{
  position:fixed;
  inset:0;
  z-index:1;
  pointer-events:none;
  opacity:.04;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(/%23n)'/%3E%3C/svg%3E");
}

.page{position:relative;z-index:2;}

img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .22s ease, opacity .22s ease;}
a:hover{color:#69f0d8;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input{font-family:inherit;}

h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-0.01em;line-height:1.2;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}

.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 24px;
}

/* ============ Dock 导航 ============ */
.dock-wrap{
  position:fixed;
  top:22px;
  left:0;
  right:0;
  z-index:120;
  display:flex;
  justify-content:center;
  padding:0 16px;
  pointer-events:none;
}
.dock{
  pointer-events:auto;
  display:flex;
  align-items:center;
  gap:20px;
  width:100%;
  max-width:1120px;
  padding:10px 14px 10px 22px;
  border-radius:999px;
  background:rgba(11,18,38,0.76);
  border:1px solid var(--border);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:var(--shadow-dock);
  transition:background .3s ease, border-color .3s ease;
}
.dock:hover{border-color:var(--border-hi);}

.dock-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:16.5px;
  font-weight:800;
  color:var(--text);
  white-space:nowrap;
  letter-spacing:0.01em;
}
.dock-logo:hover{color:var(--text);}
.dock-logo .dot{
  width:10px;height:10px;border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 0 4px rgba(47,227,196,0.18), 0 0 16px rgba(47,227,196,0.7);
  flex:none;
}

.dock-links{
  display:flex;
  align-items:center;
  gap:4px;
  margin:0 auto;
}
.dock-links a{
  display:inline-block;
  padding:8px 16px;
  border-radius:999px;
  font-size:14.5px;
  color:var(--text-2);
  transition:background .22s ease, color .22s ease;
}
.dock-links a:hover{background:rgba(255,255,255,0.08);color:var(--text);}
.dock-links a.is-active{
  background:rgba(47,227,196,0.12);
  color:var(--brand);
  box-shadow:inset 0 0 0 1px rgba(47,227,196,0.3);
}

.dock-actions{display:flex;align-items:center;gap:10px;}

.dock-search{
  width:42px;height:42px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  border:1px solid var(--border);
  background:rgba(255,255,255,0.04);
  color:var(--text-2);
  transition:all .22s ease;
}
.dock-search:hover{color:var(--brand);border-color:rgba(47,227,196,0.45);background:rgba(47,227,196,0.08);}

.dock-burger{
  display:none;
  width:42px;height:42px;
  border-radius:50%;
  border:1px solid var(--border);
  background:rgba(255,255,255,0.04);
  align-items:center;justify-content:center;
  color:var(--text);
}
.dock-burger span{display:block;width:16px;height:1.5px;background:currentColor;position:relative;}
.dock-burger span::before,.dock-burger span::after{
  content:"";position:absolute;left:0;width:16px;height:1.5px;background:currentColor;
}
.dock-burger span::before{top:-5px;}
.dock-burger span::after{top:5px;}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border-radius:999px;
  font-size:15px;
  font-weight:700;
  line-height:1;
  white-space:nowrap;
  transition:transform .2s ease, box-shadow .25s ease, background .22s ease, border-color .22s ease, color .22s ease, filter .22s ease;
  border:1px solid transparent;
}
.btn-primary{
  background:var(--brand);
  color:#04140f;
  box-shadow:0 0 0 1px rgba(47,227,196,0.4), 0 8px 30px rgba(47,227,196,0.32);
}
.btn-primary:hover{
  color:#04140f;
  transform:translateY(-2px);
  filter:brightness(1.08);
  box-shadow:0 0 0 1px rgba(47,227,196,0.55), 0 16px 44px rgba(47,227,196,0.42);
}
.btn-primary:active{transform:translateY(1px);}

.btn-ghost{
  background:rgba(255,255,255,0.05);
  border-color:var(--border);
  color:var(--text);
  backdrop-filter:blur(12px);
}
.btn-ghost:hover{
  color:var(--text);
  transform:translateY(-2px);
  border-color:rgba(47,227,196,0.5);
  background:rgba(47,227,196,0.08);
}
.btn-ghost:active{transform:translateY(1px);}

.btn-sm{padding:10px 18px;font-size:13.5px;}

.btn:focus-visible,
.dock-links a:focus-visible,
.dock-search:focus-visible,
.dock-burger:focus-visible,
a:focus-visible,
input:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
}

/* 移动抽屉 */
.drawer{
  position:fixed;
  inset:0;
  z-index:130;
  background:rgba(7,12,24,0.94);
  backdrop-filter:blur(20px);
  padding:28px 24px 40px;
  display:none;
  flex-direction:column;
  gap:12px;
}
.drawer.open{display:flex;}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding-bottom:18px;
  border-bottom:1px solid var(--border);
  margin-bottom:10px;
}
.drawer-head strong{font-size:17px;font-weight:800;}
.drawer-close{
  width:40px;height:40px;border-radius:50%;
  border:1px solid var(--border);
  background:rgba(255,255,255,0.05);
  font-size:18px;line-height:1;
}
.drawer a.d-link{
  display:block;
  padding:16px 18px;
  border-radius:var(--radius-s);
  background:var(--card);
  border:1px solid var(--border);
  color:var(--text);
  font-size:16px;
  font-weight:600;
}
.drawer a.d-link.is-active{color:var(--brand);border-color:rgba(47,227,196,0.4);}
.drawer-footer{margin-top:auto;display:flex;flex-direction:column;gap:12px;}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:168px 0 84px;
  overflow:hidden;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.05fr 0.95fr;
  gap:56px;
  align-items:center;
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 15px;
  border-radius:999px;
  font-size:13px;
  font-weight:600;
  letter-spacing:0.02em;
  color:var(--brand);
  background:rgba(47,227,196,0.09);
  border:1px solid rgba(47,227,196,0.28);
}
.eyebrow.warm{color:var(--accent);background:rgba(255,158,100,0.1);border-color:rgba(255,158,100,0.3);}

.hero h1{
  margin:22px 0 18px;
  font-size:clamp(32px, 5vw, 60px);
  line-height:1.12;
  letter-spacing:-0.02em;
}
.hero h1 .hl{
  background:linear-gradient(100deg, var(--brand) 0%, #8ff5e2 42%, var(--accent) 100%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

.hero-sub{
  color:var(--text-2);
  font-size:17px;
  line-height:1.8;
  max-width:560px;
}

.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}

.hero-facts{
  display:flex;
  flex-wrap:wrap;
  gap:12px 26px;
  margin-top:36px;
  padding-top:26px;
  border-top:1px dashed rgba(255,255,255,0.14);
}
.hero-facts li{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--text-2);
}
.hero-facts li::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--accent);
  flex:none;
}

.hero-visual{position:relative;}
.hv-frame{
  position:relative;
  border-radius:26px;
  overflow:hidden;
  border:1px solid var(--border);
  box-shadow:var(--shadow-card);
  aspect-ratio:4/3.2;
  background:var(--bg-1);
}
.hv-frame img{width:100%;height:100%;object-fit:cover;opacity:.92;}
.hv-frame::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(7,12,24,0.12) 0%, rgba(7,12,24,0.72) 100%);
}
.hv-grid{
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.09) 1px, transparent 1px);
  background-size:38px 38px;
  opacity:.5;
  pointer-events:none;
}
.hv-glow{
  position:absolute;
  width:280px;height:280px;
  right:-70px;top:-70px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(47,227,196,0.42) 0%, transparent 70%);
  filter:blur(24px);
  pointer-events:none;
}

.hv-chip{
  position:absolute;
  display:flex;
  flex-direction:column;
  gap:2px;
  padding:12px 18px;
  border-radius:var(--radius-s);
  background:rgba(11,18,38,0.82);
  border:1px solid var(--border);
  backdrop-filter:blur(14px);
  box-shadow:0 14px 40px rgba(0,0,0,0.5);
}
.hv-chip strong{font-size:14.5px;color:var(--text);font-weight:800;}
.hv-chip span{font-size:12.5px;color:var(--text-3);}
.hv-chip-a{left:-16px;bottom:44px;}
.hv-chip-b{right:-12px;bottom:132px;}
.hv-chip-b strong{color:var(--accent);}

/* ============ 通用板块 ============ */
.section{padding:96px 0;position:relative;}
.section-alt{background:linear-gradient(180deg, rgba(11,18,38,0) 0%, rgba(11,18,38,0.72) 50%, rgba(11,18,38,0) 100%);}

.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:40px;
  margin-bottom:46px;
}
.section-head .h2{margin-top:16px;}
.h2{font-size:clamp(24px, 3vw, 40px);letter-spacing:-0.015em;}
.h3{font-size:21px;line-height:1.35;}
.section-desc{
  max-width:420px;
  color:var(--text-2);
  font-size:15px;
  line-height:1.85;
}

.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-l);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:var(--shadow-card);
  transition:transform .3s cubic-bezier(.2,.7,.3,1), border-color .3s ease, background .3s ease, box-shadow .3s ease;
}
.card:hover{
  transform:translateY(-4px);
  border-color:var(--border-hi);
  background:var(--card-hi);
}

.badge{
  display:inline-block;
  padding:5px 12px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:0.02em;
  color:var(--brand);
  background:rgba(47,227,196,0.1);
  border:1px solid rgba(47,227,196,0.26);
}
.badge-warm{color:var(--accent);background:rgba(255,158,100,0.1);border-color:rgba(255,158,100,0.28);}
.badge-violet{color:#b6aeff;background:rgba(124,108,255,0.12);border-color:rgba(124,108,255,0.3);}

/* ============ 精选内容卡（非对称） ============ */
.feature-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  grid-auto-rows:minmax(212px, auto);
  gap:22px;
}
.f-card{overflow:hidden;display:flex;flex-direction:column;position:relative;}
.f-main{grid-column:span 2;grid-row:span 2;}

.f-media{
  position:relative;
  overflow:hidden;
  flex:none;
}
.f-main .f-media{height:296px;}
.f-card:not(.f-main) .f-media{height:132px;}
.f-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .6s cubic-bezier(.2,.7,.3,1);
}
.f-card:hover .f-media img{transform:scale(1.06);}
.f-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(7,12,24,0.05) 0%, rgba(7,12,24,0.86) 100%);
}

.f-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.f-main .f-body{padding:26px 30px 30px;}
.f-desc{color:var(--text-2);font-size:14.5px;line-height:1.8;}
.f-main .f-desc{font-size:15.5px;}

.f-link{
  margin-top:auto;
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  font-weight:700;
  color:var(--brand);
}
.f-link .arw{transition:transform .25s ease;}
.f-card:hover .f-link .arw{transform:translateX(5px);}

/* ============ 场景条带 ============ */
.strip{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:0;
  border:1px solid var(--border);
  border-radius:var(--radius-l);
  overflow:hidden;
  background:rgba(255,255,255,0.035);
  backdrop-filter:blur(14px);
}
.strip-item{
  padding:30px 28px;
  border-right:1px solid var(--border);
  border-bottom:1px solid var(--border);
  transition:background .25s ease;
}
.strip-item:nth-child(3n){border-right:none;}
.strip-item:nth-child(n+4){border-bottom:none;}
.strip-item:hover{background:rgba(47,227,196,0.05);}
.strip-num{
  font-family:var(--font-num);
  font-size:13px;
  font-weight:700;
  letter-spacing:0.14em;
  color:var(--accent);
}
.strip-item h3{margin:14px 0 10px;font-size:19px;}
.strip-item p{color:var(--text-2);font-size:14.5px;line-height:1.78;}

/* ============ 故事区 ============ */
.story-grid{
  display:grid;
  grid-template-columns:0.92fr 1.08fr;
  gap:56px;
  align-items:center;
}
.story-img{
  position:relative;
  border-radius:var(--radius-l);
  overflow:hidden;
  border:1px solid var(--border);
  box-shadow:var(--shadow-card);
  aspect-ratio:1/1.02;
}
.story-img img{width:100%;height:100%;object-fit:cover;}
.story-img::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(200deg, rgba(47,227,196,0.16) 0%, rgba(7,12,24,0.7) 100%);
}
.story-copy p{color:var(--text-2);margin-top:18px;font-size:16px;line-height:1.86;max-width:560px;}
.story-points{margin-top:30px;display:flex;flex-direction:column;gap:14px;}
.story-points li{
  display:flex;
  gap:14px;
  align-items:flex-start;
  padding:16px 18px;
  border-radius:var(--radius-s);
  background:rgba(255,255,255,0.04);
  border:1px solid var(--border);
}
.story-points .pn{
  font-family:var(--font-num);
  font-size:13px;
  font-weight:800;
  color:var(--brand);
  padding-top:3px;
  flex:none;
}
.story-points strong{display:block;font-size:15.5px;margin-bottom:4px;}
.story-points span{font-size:14px;color:var(--text-2);line-height:1.75;}

/* ============ 最新信息 ============ */
.timeline{
  display:grid;
  grid-template-columns:repeat(2, 1fr);
  gap:18px;
}
.tl-item{
  display:flex;
  gap:18px;
  align-items:flex-start;
  padding:24px 26px;
  border-radius:var(--radius-l);
  background:var(--card);
  border:1px solid var(--border);
  backdrop-filter:blur(14px);
  color:var(--text);
  transition:transform .28s ease, border-color .28s ease, background .28s ease;
}
.tl-item:hover{
  transform:translateY(-3px);
  border-color:rgba(47,227,196,0.42);
  background:var(--card-hi);
  color:var(--text);
}
.tl-time{
  font-family:var(--font-num);
  font-size:13px;
  color:var(--text-3);
  padding-top:6px;
  flex:none;
  width:96px;
  letter-spacing:0.01em;
}
.tl-body{flex:1;min-width:0;}
.tl-title{
  font-size:17px;
  font-weight:700;
  margin:10px 0 8px;
  line-height:1.45;
  overflow:hidden;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
}
.tl-sum{
  color:var(--text-2);
  font-size:14px;
  line-height:1.75;
  overflow:hidden;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
}
.tl-arrow{
  color:var(--text-3);
  font-size:16px;
  transition:transform .25s ease, color .25s ease;
  padding-top:2px;
}
.tl-item:hover .tl-arrow{transform:translateX(4px);color:var(--brand);}

.empty-state{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:14px;
  padding:64px 24px;
  border-radius:var(--radius-l);
  border:1px dashed var(--border-hi);
  background:rgba(255,255,255,0.03);
  text-align:center;
}
.empty-icon{
  font-size:26px;
  color:var(--brand);
  opacity:.7;
}
.empty-state p{color:var(--text-2);font-size:15px;}

/* ============ 数据与信任 ============ */
.proof-grid{
  display:grid;
  grid-template-columns:1.15fr 0.85fr;
  gap:26px;
}
.stat-panel{
  padding:36px 34px;
  border-radius:var(--radius-l);
  background:linear-gradient(160deg, rgba(47,227,196,0.09) 0%, rgba(255,255,255,0.04) 55%, rgba(255,158,100,0.07) 100%);
  border:1px solid var(--border);
  backdrop-filter:blur(16px);
  box-shadow:var(--shadow-card);
}
.stat-row{
  display:grid;
  grid-template-columns:repeat(2, 1fr);
  gap:26px 20px;
  margin-top:26px;
}
.stat-row .num{
  font-family:var(--font-num);
  font-size:clamp(28px, 3.4vw, 42px);
  font-weight:800;
  letter-spacing:-0.02em;
  color:var(--text);
  line-height:1;
}
.stat-row .num em{font-style:normal;font-size:15px;color:var(--text-3);margin-left:6px;font-weight:600;}
.stat-row .lab{display:block;margin-top:10px;font-size:14px;color:var(--text-2);line-height:1.7;}

.track{display:flex;flex-direction:column;gap:0;}
.track-item{
  position:relative;
  padding:0 0 26px 30px;
  border-left:1px solid rgba(255,255,255,0.14);
}
.track-item:last-child{border-left-color:transparent;padding-bottom:0;}
.track-item::before{
  content:"";
  position:absolute;
  left:-6px;top:6px;
  width:11px;height:11px;
  border-radius:50%;
  background:var(--bg-0);
  border:2px solid var(--brand);
  box-shadow:0 0 0 4px rgba(47,227,196,0.12);
}
.track-item:nth-child(2)::before{border-color:var(--accent);box-shadow:0 0 0 4px rgba(255,158,100,0.12);}
.track-item:nth-child(3)::before{border-color:var(--violet);box-shadow:0 0 0 4px rgba(124,108,255,0.14);}
.track-item h3{font-size:16.5px;margin-bottom:6px;}
.track-item p{font-size:14px;color:var(--text-2);line-height:1.75;}

/* ============ FAQ ============ */
.faq-grid{
  display:grid;
  grid-template-columns:0.8fr 1.2fr;
  gap:52px;
  align-items:start;
}
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  border-radius:var(--radius-m);
  background:var(--card);
  border:1px solid var(--border);
  overflow:hidden;
  transition:border-color .25s ease, background .25s ease;
}
.faq-item:hover{border-color:var(--border-hi);}
.faq-item.open{border-color:rgba(47,227,196,0.42);background:var(--card-hi);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 24px;
  text-align:left;
  font-size:16.5px;
  font-weight:700;
  color:var(--text);
  line-height:1.5;
}
.faq-ic{
  flex:none;
  width:26px;height:26px;
  border-radius:50%;
  border:1px solid var(--border-hi);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;
  color:var(--brand);
  transition:transform .28s ease, background .25s ease;
}
.faq-item.open .faq-ic{transform:rotate(135deg);background:rgba(47,227,196,0.14);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .36s cubic-bezier(.2,.7,.3,1);
}
.faq-a p{
  padding:0 24px 22px;
  color:var(--text-2);
  font-size:14.8px;
  line-height:1.85;
}

/* ============ 订阅 CTA ============ */
.cta-band{
  position:relative;
  border-radius:28px;
  overflow:hidden;
  border:1px solid var(--border);
  background:rgba(11,18,38,0.72);
  backdrop-filter:blur(18px);
  box-shadow:var(--shadow-card);
  padding:52px 48px;
  display:grid;
  grid-template-columns:1.1fr 0.9fr;
  gap:44px;
  align-items:center;
}
.cta-band::before{
  content:"";
  position:absolute;inset:0;
  background:
    radial-gradient(520px 320px at 8% 0%, rgba(47,227,196,0.2), transparent 68%),
    radial-gradient(480px 320px at 96% 100%, rgba(255,158,100,0.16), transparent 68%);
  pointer-events:none;
}
.cta-band > *{position:relative;}
.cta-band h2{font-size:clamp(23px, 2.8vw, 34px);}
.cta-band p{color:var(--text-2);margin-top:16px;font-size:15.5px;line-height:1.85;max-width:480px;}

.sub-form{display:flex;flex-direction:column;gap:14px;}
.sub-row{display:flex;gap:12px;}
.sub-input{
  flex:1;
  padding:15px 18px;
  border-radius:var(--radius-s);
  background:rgba(255,255,255,0.06);
  border:1px solid var(--border);
  color:var(--text);
  font-size:15px;
  transition:border-color .22s ease, box-shadow .22s ease, background .22s ease;
}
.sub-input::placeholder{color:var(--text-3);}
.sub-input:focus{
  outline:none;
  border-color:rgba(47,227,196,0.6);
  background:rgba(47,227,196,0.06);
  box-shadow:0 0 0 4px rgba(47,227,196,0.14);
}
.sub-input.error{border-color:var(--accent);box-shadow:0 0 0 4px rgba(255,158,100,0.14);}
.sub-note{font-size:13px;color:var(--text-3);line-height:1.7;}
.sub-msg{font-size:13.5px;color:var(--brand);min-height:20px;}
.sub-msg.err{color:var(--accent);}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  margin-top:40px;
  padding:76px 0 34px;
  border-top:1px solid var(--border);
  background:linear-gradient(180deg, rgba(11,18,38,0) 0%, rgba(11,18,38,0.9) 100%);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:44px;
}
.footer-brand .dock-logo{font-size:17px;}
.footer-brand p{
  margin-top:18px;
  color:var(--text-2);
  font-size:14.5px;
  line-height:1.85;
  max-width:320px;
}
.footer-col h4{
  font-size:14px;
  font-weight:800;
  letter-spacing:0.06em;
  color:var(--text-3);
  margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{color:var(--text-2);font-size:14.5px;}
.footer-col a:hover{color:var(--brand);}
.footer-col li span{color:var(--text-2);font-size:14.5px;}
.footer-sub p{color:var(--text-2);font-size:14.5px;line-height:1.85;margin-bottom:16px;}
.footer-bottom{
  margin-top:54px;
  padding-top:24px;
  border-top:1px solid var(--border);
  display:flex;
  flex-wrap:wrap;
  gap:12px 28px;
  align-items:center;
  justify-content:space-between;
  color:var(--text-3);
  font-size:13.5px;
}
.footer-bottom .dom{font-family:var(--font-num);letter-spacing:0.02em;}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .container{padding:0 22px;}
}

@media (max-width:1023px){
  body{font-size:16px;}
  .section{padding:72px 0;}
  .dock-links,.dock-search{display:none;}
  .dock-burger{display:inline-flex;}
  .dock{justify-content:space-between;padding:9px 12px 9px 18px;}
  .hero{padding:140px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:44px;}
  .hero-sub{max-width:none;}
  .hero-visual{max-width:620px;width:100%;margin:0 auto;}
  .section-head{flex-direction:column;align-items:flex-start;gap:18px;}
  .section-desc{max-width:none;}
  .feature-grid{grid-template-columns:repeat(2, 1fr);}
  .f-main{grid-column:span 2;grid-row:auto;}
  .f-main .f-media{height:250px;}
  .strip{grid-template-columns:repeat(2, 1fr);}
  .strip-item:nth-child(3n){border-right:1px solid var(--border);}
  .strip-item:nth-child(2n){border-right:none;}
  .strip-item:nth-child(n+4){border-bottom:1px solid var(--border);}
  .strip-item:nth-child(n+5){border-bottom:none;}
  .story-grid{grid-template-columns:1fr;gap:36px;}
  .story-img{aspect-ratio:16/10;}
  .timeline{grid-template-columns:1fr;}
  .proof-grid{grid-template-columns:1fr;}
  .faq-grid{grid-template-columns:1fr;gap:32px;}
  .cta-band{grid-template-columns:1fr;padding:40px 30px;gap:30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}

@media (max-width:639px){
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .hero{padding:124px 0 52px;}
  .hero h1{font-size:clamp(28px, 8vw, 38px);}
  .hero-sub{font-size:15.5px;}
  .hero-cta{gap:12px;}
  .hero-cta .btn{flex:1 1 auto;padding:13px 20px;}
  .hero-facts{gap:10px 18px;margin-top:28px;padding-top:22px;}
  .hv-chip-a{left:8px;bottom:16px;padding:10px 14px;}
  .hv-chip-b{right:8px;bottom:auto;top:16px;padding:10px 14px;}
  .feature-grid{grid-template-columns:1fr;gap:18px;}
  .f-main{grid-column:span 1;}
  .f-main .f-media{height:210px;}
  .f-card:not(.f-main) .f-media{height:150px;}
  .f-main .f-body{padding:22px 22px 24px;}
  .strip{grid-template-columns:1fr;}
  .strip-item{border-right:none !important;border-bottom:1px solid var(--border) !important;padding:24px 22px;}
  .strip-item:last-child{border-bottom:none !important;}
  .tl-item{flex-direction:column;gap:12px;padding:20px 20px;}
  .tl-time{width:auto;padding-top:0;}
  .stat-panel{padding:28px 22px;}
  .stat-row{grid-template-columns:1fr 1fr;gap:22px 16px;}
  .sub-row{flex-direction:column;}
  .sub-row .btn{width:100%;}
  .cta-band{padding:32px 22px;border-radius:22px;}
  .footer-grid{grid-template-columns:1fr;gap:34px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
  .faq-q{padding:18px 18px;font-size:15.5px;}
  .faq-a p{padding:0 18px 20px;}
}

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

/* roulang page: article */
:root{
  --bg:#070C18;
  --bg-soft:#0B1226;
  --brand:#2FE3C4;
  --brand-dim:rgba(47,227,196,.16);
  --amber:#FF9E64;
  --violet:#7C6CFF;
  --text:#F5F9FF;
  --muted:#A9B7CC;
  --weak:#6F8099;
  --line:rgba(255,255,255,.12);
  --line-strong:rgba(255,255,255,.22);
  --card:rgba(255,255,255,.06);
  --card-2:rgba(255,255,255,.035);
  --radius:22px;
  --radius-sm:14px;
  --shadow:0 20px 60px rgba(0,0,0,.45);
  --gap:24px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Inter","Manrope",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-2;
  background:
    radial-gradient(680px 420px at 12% -6%, rgba(47,227,196,.16), transparent 62%),
    radial-gradient(720px 460px at 88% 4%, rgba(124,108,255,.14), transparent 66%),
    radial-gradient(560px 420px at 50% 108%, rgba(255,158,100,.10), transparent 70%),
    linear-gradient(180deg,#070C18 0%,#0B1226 58%,#070C18 100%);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  opacity:.5;
  background-image:
    linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
  background-size:64px 64px;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:#7DF3DF;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:800;letter-spacing:.2px;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:8px;}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}

/* ---------- Dock 导航 ---------- */
header.site-head{position:sticky;top:0;z-index:80;padding:22px 16px 0;}
.dock{
  display:flex;
  align-items:center;
  gap:18px;
  max-width:1080px;
  margin:0 auto;
  padding:12px 16px 12px 20px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(11,18,38,.72);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:0 16px 44px rgba(0,0,0,.42);
}
.dock-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:800;
  color:var(--text);
  white-space:nowrap;
}
.dock-logo:hover{color:var(--text);}
.dock-logo .dot{
  width:11px;height:11px;border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 0 4px rgba(47,227,196,.16),0 0 18px rgba(47,227,196,.7);
}
.dock-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.dock-links a{
  display:block;
  padding:8px 15px;
  border-radius:999px;
  font-size:14.5px;
  color:var(--muted);
  border:1px solid transparent;
  transition:all .22s ease;
}
.dock-links a:hover{color:var(--text);background:rgba(255,255,255,.07);}
.dock-links a.is-active{
  color:#04121A;
  background:var(--brand);
  border-color:rgba(47,227,196,.5);
  box-shadow:0 8px 24px rgba(47,227,196,.28);
  font-weight:700;
}
.dock-actions{display:flex;align-items:center;gap:10px;}
.dock-search{
  display:grid;place-items:center;
  width:38px;height:38px;border-radius:50%;
  color:var(--muted);
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  transition:all .22s ease;
}
.dock-search:hover{color:var(--brand);border-color:rgba(47,227,196,.5);transform:translateY(-2px);}
.dock-burger{display:none;width:40px;height:40px;border-radius:50%;border:1px solid var(--line);align-items:center;justify-content:center;}
.dock-burger span{display:block;width:16px;height:2px;background:var(--text);border-radius:2px;position:relative;}
.dock-burger span::before,.dock-burger span::after{content:"";position:absolute;left:0;width:16px;height:2px;background:var(--text);border-radius:2px;}
.dock-burger span::before{top:-5px;}
.dock-burger span::after{top:5px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;
  border-radius:999px;
  font-size:15px;font-weight:700;
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .2s ease,filter .2s ease;
}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-primary{
  background:var(--brand);
  color:#04121A;
  box-shadow:0 0 0 1px rgba(47,227,196,.4),0 8px 30px rgba(47,227,196,.35);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);color:#04121A;box-shadow:0 0 0 1px rgba(47,227,196,.5),0 14px 38px rgba(47,227,196,.45);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  background:rgba(255,255,255,.05);
  border-color:var(--line-strong);
  color:var(--text);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:rgba(47,227,196,.55);color:var(--brand);background:rgba(47,227,196,.08);}
.btn-ghost:active{transform:translateY(1px);}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;
  border-radius:999px;
  font-size:12.5px;font-weight:700;letter-spacing:.3px;
  color:var(--brand);
  background:var(--brand-dim);
  border:1px solid rgba(47,227,196,.32);
}
.badge-warm{color:var(--amber);background:rgba(255,158,100,.14);border-color:rgba(255,158,100,.3);}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--weak);
  padding:6px 0 0;
}
.breadcrumb a{color:var(--weak);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:rgba(111,128,153,.6);}
.breadcrumb .current{color:var(--muted);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章头 ---------- */
.article-hero{padding:26px 0 8px;}
.article-head{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:28px;
  align-items:end;
  margin-top:20px;
}
.article-head h1{
  font-size:clamp(28px,3.6vw,48px);
  line-height:1.28;
  margin:14px 0 16px;
  letter-spacing:.4px;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13.5px;color:var(--weak);
}
.meta-row .meta-chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 13px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--muted);
}
.meta-row .meta-chip b{color:var(--text);font-weight:600;}
.head-actions{display:flex;flex-wrap:wrap;gap:10px;padding-bottom:6px;}

/* ---------- 正文 ---------- */
.article-wrap{padding:44px 0 8px;}
.reader{
  max-width:760px;
  margin:0 auto;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:var(--card-2);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.reader-figure{position:relative;margin:0;border-bottom:1px solid var(--line);}
.reader-figure img{width:100%;height:290px;object-fit:cover;opacity:.9;}
.reader-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:14px 22px;
  font-size:13px;color:var(--muted);
  background:linear-gradient(180deg,transparent,rgba(7,12,24,.86));
}
.article-body{
  padding:36px 34px 42px;
  font-size:17px;
  line-height:1.9;
  color:#E4ECF8;
}
.article-body > * + *{margin-top:1em;}
.article-body h2{
  font-size:clamp(21px,2.2vw,27px);
  margin-top:1.9em;
  margin-bottom:.7em;
  padding-left:14px;
  border-left:4px solid var(--brand);
  line-height:1.4;
}
.article-body h3{
  font-size:20px;
  margin-top:1.6em;
  margin-bottom:.6em;
  color:#EDF4FF;
}
.article-body p{margin:0;color:#DCE6F4;}
.article-body strong{color:#FFFFFF;font-weight:700;}
.article-body em{color:var(--brand);font-style:normal;}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:4px;}
.article-body ul,.article-body ol{padding-left:6px;}
.article-body ul li,.article-body ol li{
  position:relative;
  padding-left:22px;
  margin:.45em 0;
  color:#DCE6F4;
}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;
  width:7px;height:7px;border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 10px rgba(47,227,196,.7);
}
.article-body ol{counter-reset:li;}
.article-body ol li{counter-increment:li;}
.article-body ol li::before{
  content:counter(li);
  position:absolute;left:0;top:.28em;
  width:18px;text-align:left;
  font-size:13px;font-weight:800;color:var(--brand);
}
.article-body blockquote{
  margin:1.4em 0;
  padding:16px 22px;
  border-left:3px solid var(--amber);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  background:rgba(255,158,100,.08);
  color:#F1E4DA;
  font-size:16.5px;
}
.article-body img{border-radius:var(--radius-sm);border:1px solid var(--line);margin:1.4em 0;}
.article-body code{
  padding:2px 7px;border-radius:6px;
  background:rgba(47,227,196,.12);
  border:1px solid rgba(47,227,196,.24);
  color:#9BF3E2;
  font-family:"SFMono-Regular",Consolas,Menlo,monospace;
  font-size:14.5px;
}
.article-body pre{
  overflow-x:auto;
  padding:18px 20px;
  border-radius:var(--radius-sm);
  background:rgba(4,9,20,.86);
  border:1px solid var(--line);
  font-size:14.5px;line-height:1.7;
}
.article-body pre code{background:none;border:0;padding:0;color:#C8E9E2;}
.article-body table{
  width:100%;
  border-collapse:collapse;
  font-size:15px;
  margin:1.4em 0;
  overflow:hidden;
  border-radius:var(--radius-sm);
}
.article-body th,.article-body td{
  padding:11px 14px;
  border:1px solid var(--line);
  text-align:left;
  color:#DCE6F4;
}
.article-body th{background:rgba(47,227,196,.1);color:#F5F9FF;font-weight:700;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0;}

.empty-note{
  text-align:center;
  padding:56px 26px;
}
.empty-note .ico{
  width:54px;height:54px;margin:0 auto 16px;
  display:grid;place-items:center;
  border-radius:50%;
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.05);
  color:var(--weak);
  font-size:22px;font-weight:800;
}
.empty-note h2{font-size:22px;margin-bottom:10px;}
.empty-note p{color:var(--muted);margin-bottom:22px;}

/* ---------- 相关推荐 ---------- */
.related{padding:76px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:26px;}
.section-head h2{font-size:clamp(22px,2.6vw,32px);}
.section-head p{color:var(--muted);font-size:14.5px;margin-top:8px;}
.rel-list{display:grid;gap:14px;}
.rel-item{
  display:grid;
  grid-template-columns:56px minmax(0,1fr) auto;
  align-items:center;
  gap:18px;
  padding:20px 22px;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  background:var(--card);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.rel-item:hover{transform:translateY(-4px);border-color:rgba(47,227,196,.42);box-shadow:0 20px 44px rgba(0,0,0,.4);}
.rel-num{
  font-size:20px;font-weight:800;
  color:var(--brand);
  letter-spacing:1px;
  font-family:"Inter","Manrope",sans-serif;
}
.rel-main h3{font-size:18px;margin-bottom:6px;}
.rel-main h3 a{color:var(--text);}
.rel-main h3 a:hover{color:var(--brand);}
.rel-main p{font-size:14px;color:var(--muted);line-height:1.7;}
.rel-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--weak);margin-top:10px;}
.rel-arrow{
  display:grid;place-items:center;
  width:42px;height:42px;border-radius:50%;
  border:1px solid var(--line-strong);
  color:var(--muted);
  transition:all .24s ease;
}
.rel-item:hover .rel-arrow{color:#04121A;background:var(--brand);border-color:var(--brand);transform:translateX(3px);}

/* ---------- 返回 CTA ---------- */
.back-cta{padding:76px 0 84px;}
.back-card{
  position:relative;
  overflow:hidden;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  align-items:center;
  gap:26px;
  padding:38px 40px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:rgba(255,255,255,.05);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:var(--shadow);
}
.back-card::before{
  content:"";
  position:absolute;inset:0;
  background:
    radial-gradient(420px 200px at 8% 0%, rgba(47,227,196,.16), transparent 70%),
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px);
  background-size:auto, 100% 28px;
  pointer-events:none;
}
.back-card > *{position:relative;}
.back-card h2{font-size:clamp(21px,2.4vw,28px);margin-bottom:10px;}
.back-card p{color:var(--muted);font-size:15px;max-width:62ch;}
.back-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:rgba(7,12,24,.72);
  padding:66px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:34px;
}
.footer-brand p{color:var(--muted);font-size:14px;margin-top:16px;line-height:1.8;max-width:36ch;}
.footer-col h4{font-size:14px;letter-spacing:.6px;color:var(--text);margin-bottom:16px;}
.footer-col ul{display:grid;gap:11px;}
.footer-col ul a,.footer-col ul span{font-size:14px;color:var(--muted);}
.footer-col ul a:hover{color:var(--brand);}
.footer-sub p{color:var(--muted);font-size:14px;margin-bottom:16px;line-height:1.8;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:46px;padding-top:22px;
  border-top:1px solid var(--line);
  font-size:13px;color:var(--weak);
}
.footer-bottom .dom{color:var(--weak);letter-spacing:.4px;}

/* ---------- 移动端 ---------- */
@media (max-width:1024px){
  .article-head{grid-template-columns:1fr;align-items:start;gap:20px;}
  .head-actions{padding-bottom:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .reader-figure img{height:230px;}
}
@media (max-width:860px){
  .dock{padding:10px 12px 10px 16px;gap:10px;}
  .dock-links{
    position:fixed;
    left:16px;right:16px;top:86px;
    flex-direction:column;
    align-items:stretch;
    gap:8px;
    padding:18px;
    border:1px solid var(--line);
    border-radius:20px;
    background:rgba(11,18,38,.96);
    backdrop-filter:blur(18px);
    box-shadow:0 24px 60px rgba(0,0,0,.55);
    transform:translateY(-12px);
    opacity:0;
    pointer-events:none;
    transition:all .24s ease;
    margin-left:0;
  }
  .dock.open .dock-links{transform:translateY(0);opacity:1;pointer-events:auto;}
  .dock-links a{padding:12px 16px;font-size:15px;}
  .dock-burger{display:inline-flex;}
  .dock-search{display:none;}
}
@media (max-width:640px){
  .container{padding:0 18px;}
  header.site-head{padding:14px 12px 0;}
  .dock-logo{font-size:15px;}
  .dock-actions .btn-sm{padding:8px 14px;font-size:13px;}
  .article-body{padding:26px 20px 32px;font-size:16px;line-height:1.85;}
  .reader-figure img{height:180px;}
  .article-wrap{padding:30px 0 0;}
  .rel-item{grid-template-columns:40px minmax(0,1fr);gap:14px;padding:18px;}
  .rel-arrow{display:none;}
  .back-card{grid-template-columns:1fr;padding:28px 22px;}
  .back-actions .btn{width:100%;}
  .related{padding:56px 0 0;}
  .back-cta{padding:56px 0 60px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{justify-content:flex-start;}
}

/* roulang page: category1 */
:root{
  --bg:#070C18;
  --bg-2:#0B1226;
  --brand:#2FE3C4;
  --accent:#FF9E64;
  --violet:#7C6CFF;
  --text:#F5F9FF;
  --text-2:#A9B7CC;
  --text-3:#6F8099;
  --line:rgba(255,255,255,.12);
  --line-2:rgba(255,255,255,.08);
  --card:rgba(255,255,255,.06);
  --r-lg:24px;
  --r-md:20px;
  --r-sm:14px;
  --r-pill:999px;
  --shadow:0 20px 60px rgba(0,0,0,.45);
  --shadow-soft:0 14px 40px rgba(0,0,0,.32);
  --container:1240px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:118px}
body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(760px 460px at 10% -6%, rgba(47,227,196,.11), transparent 62%),
    radial-gradient(720px 500px at 94% 4%, rgba(124,108,255,.10), transparent 60%),
    radial-gradient(680px 420px at 46% 106%, rgba(255,158,100,.06), transparent 66%);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(/%23n)' opacity='.5'/%3E%3C/svg%3E");
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .22s ease,background .22s ease,border-color .22s ease,box-shadow .22s ease}
a:hover{color:#7DF3DE}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:.2px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font-family:inherit}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;position:relative;z-index:2}

a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}

/* ------- 按钮 ------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);
  padding:13px 28px;
  font-size:15px;font-weight:600;letter-spacing:.3px;
  border:1px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease,filter .22s ease;
}
.btn-primary{
  background:var(--brand);color:#04201B;
  box-shadow:0 0 0 1px rgba(47,227,196,.4),0 8px 30px rgba(47,227,196,.35);
}
.btn-primary:hover{
  transform:translateY(-2px);
  filter:brightness(1.08);
  color:#04201B;
  box-shadow:0 0 0 1px rgba(47,227,196,.6),0 14px 40px rgba(47,227,196,.45);
}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(47,227,196,.5),0 6px 18px rgba(47,227,196,.3)}
.btn-ghost{
  background:rgba(255,255,255,.05);
  border-color:var(--line);
  color:var(--text);
  backdrop-filter:blur(12px);
}
.btn-ghost:hover{
  transform:translateY(-2px);
  border-color:rgba(47,227,196,.55);
  color:#fff;
  box-shadow:0 12px 34px rgba(0,0,0,.4);
}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:9px 20px;font-size:14px}

/* ------- 标签 ------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;
  border-radius:var(--r-pill);
  font-size:13px;letter-spacing:.5px;line-height:1.6;
  color:#CFEFE9;
  background:rgba(47,227,196,.10);
  border:1px solid rgba(47,227,196,.32);
}
.badge-warm{color:#FFD9BE;background:rgba(255,158,100,.10);border-color:rgba(255,158,100,.34)}
.badge-violet{color:#D8D2FF;background:rgba(124,108,255,.12);border-color:rgba(124,108,255,.36)}

/* ------- 浮动 Dock 导航 ------- */
.dock{
  position:fixed;
  top:22px;left:50%;
  transform:translateX(-50%);
  z-index:90;
  width:calc(100% - 32px);
  max-width:1080px;
  display:flex;align-items:center;gap:10px;
  padding:9px 12px 9px 18px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(9,15,30,.74);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  box-shadow:0 16px 46px rgba(0,0,0,.48);
}
.dock-logo{
  display:inline-flex;align-items:center;gap:9px;
  color:var(--text);
  font-size:15.5px;font-weight:700;letter-spacing:.3px;
  white-space:nowrap;
}
.dock-logo:hover{color:#fff}
.dock-logo .dot{
  width:9px;height:9px;border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 0 4px rgba(47,227,196,.16),0 0 14px rgba(47,227,196,.85);
  flex:none;
}
.dock-links{
  display:flex;align-items:center;gap:4px;
  margin:0 auto;
}
.dock-links li{display:block}
.dock-links a{
  display:block;
  padding:9px 16px;
  border-radius:var(--r-pill);
  font-size:14.5px;
  color:var(--text-2);
}
.dock-links a:hover{color:var(--text);background:rgba(255,255,255,.07)}
.dock-links a.is-active{
  color:#04201B;font-weight:700;
  background:var(--brand);
  box-shadow:0 6px 22px rgba(47,227,196,.28);
}
.dock-actions{display:flex;align-items:center;gap:8px;margin-left:auto}
.dock-search{
  width:38px;height:38px;flex:none;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  color:var(--text-2);
  border:1px solid var(--line-2);
  background:rgba(255,255,255,.04);
}
.dock-search:hover{color:var(--brand);border-color:rgba(47,227,196,.45);background:rgba(47,227,196,.10)}
.dock-burger{
  display:none;
  width:38px;height:38px;
  align-items:center;justify-content:center;
  border-radius:50%;
  border:1px solid var(--line-2);
  background:rgba(255,255,255,.04);
  cursor:pointer;position:relative;
}
.dock-burger span,
.dock-burger span::before,
.dock-burger span::after{
  content:"";position:absolute;left:50%;
  width:16px;height:2px;border-radius:2px;background:var(--text);
  transform:translateX(-50%);
  transition:transform .24s ease,opacity .24s ease;
}
.dock-burger span{top:50%;margin-top:-1px}
.dock-burger span::before{top:-6px}
.dock-burger span::after{top:6px}
body.nav-open .dock-burger span{background:transparent}
body.nav-open .dock-burger span::before{transform:translateX(-50%) rotate(45deg);top:0}
body.nav-open .dock-burger span::after{transform:translateX(-50%) rotate(-45deg);top:0}

/* ------- 面包屑 ------- */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--text-3);
  margin-bottom:22px;
}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:var(--text-3);opacity:.7}
.crumb .cur{color:var(--text-2)}

/* ------- Hero ------- */
.hero{
  position:relative;
  overflow:hidden;
  padding:158px 0 84px;
  border-bottom:1px solid var(--line-2);
}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.26;
  filter:saturate(.85);
}
.hero-veil{
  position:absolute;inset:0;z-index:1;
  background:
    radial-gradient(760px 420px at 18% 12%, rgba(47,227,196,.16), transparent 62%),
    radial-gradient(620px 380px at 84% 0%, rgba(124,108,255,.14), transparent 60%),
    linear-gradient(180deg, rgba(7,12,24,.42) 0%, rgba(7,12,24,.86) 62%, var(--bg) 100%);
}
.hero-grid{
  position:absolute;inset:0;z-index:1;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
                   linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(760px 420px at 26% 26%, #000 12%, transparent 78%);
  -webkit-mask-image:radial-gradient(760px 420px at 26% 26%, #000 12%, transparent 78%);
}
.hero-inner{position:relative;z-index:3}
.hero h1{
  font-size:clamp(32px,5vw,60px);
  font-weight:800;
  line-height:1.14;
  letter-spacing:-.5px;
  margin:0 0 18px;
  max-width:15em;
}
.hero-sub{
  font-size:clamp(16px,1.6vw,19px);
  color:var(--text-2);
  max-width:34em;
  line-height:1.8;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-facts{
  display:flex;flex-wrap:wrap;gap:14px;
  margin-top:44px;
}
.hero-facts li{
  display:flex;align-items:center;gap:10px;
  padding:12px 20px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(255,255,255,.05);
  backdrop-filter:blur(12px);
  font-size:14px;color:var(--text-2);
}
.hero-facts b{color:var(--brand);font-weight:700;letter-spacing:.5px}

/* ------- 板块 ------- */
.section{padding:92px 0;position:relative;z-index:2}
.section-alt{background:rgba(255,255,255,.018);border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2)}
.section-head{max-width:780px;margin-bottom:46px}
.section-head h2{
  font-size:clamp(24px,3vw,40px);
  font-weight:800;
  line-height:1.28;
  margin:16px 0 14px;
  letter-spacing:-.3px;
}
.section-sub{color:var(--text-2);font-size:16px;line-height:1.85;max-width:40em}

/* ------- 步骤流程 ------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
  position:relative;
}
.steps::before{
  content:"";
  position:absolute;
  top:34px;left:4%;right:4%;
  height:1px;
  background:linear-gradient(90deg,rgba(47,227,196,.45),rgba(255,255,255,.14) 48%,rgba(124,108,255,.4));
}
.step{position:relative}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:68px;height:68px;
  border-radius:22px;
  font-size:19px;font-weight:800;letter-spacing:1px;
  color:var(--brand);
  background:linear-gradient(160deg,rgba(47,227,196,.20),rgba(11,18,38,.92));
  border:1px solid rgba(47,227,196,.42);
  box-shadow:0 14px 36px rgba(0,0,0,.45);
  margin-bottom:20px;
  font-family:Inter,Manrope,"PingFang SC",sans-serif;
}
.step h3{font-size:19px;margin-bottom:10px}
.step p{color:var(--text-2);font-size:15.5px;line-height:1.8}

/* ------- 图文分栏 ------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.split-media{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,12,24,.04),rgba(7,12,24,.62));
}
.split-media .tag-float{
  position:absolute;left:18px;bottom:18px;z-index:2;
  padding:8px 16px;border-radius:var(--r-pill);
  font-size:13px;color:#CFEFE9;
  background:rgba(9,15,30,.7);
  border:1px solid rgba(47,227,196,.35);
  backdrop-filter:blur(10px);
}
.split-body h2{font-size:clamp(24px,2.7vw,36px);font-weight:800;margin:16px 0 16px;line-height:1.3}
.split-body p{color:var(--text-2);line-height:1.85}
.checks{margin-top:28px;display:grid;gap:14px}
.checks li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15.5px;color:var(--text-2);
  padding:14px 18px;
  border-radius:var(--r-sm);
  border:1px solid var(--line-2);
  background:rgba(255,255,255,.035);
  transition:border-color .24s ease,transform .24s ease,background .24s ease;
}
.checks li:hover{border-color:rgba(47,227,196,.4);transform:translateY(-2px);background:rgba(47,227,196,.06)}
.checks .mk{
  flex:none;width:20px;height:20px;margin-top:4px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  font-size:11px;font-weight:800;
  color:#04201B;background:var(--brand);
}

/* ------- 时间线 ------- */
.timeline{position:relative;padding-left:30px}
.timeline::before{
  content:"";
  position:absolute;left:5px;top:10px;bottom:14px;width:1px;
  background:linear-gradient(180deg,rgba(47,227,196,.55),rgba(124,108,255,.28),transparent);
}
.timeline li{position:relative;padding-bottom:34px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{
  content:"";
  position:absolute;left:-30px;top:9px;
  width:11px;height:11px;border-radius:50%;
  background:var(--bg);
  border:2px solid var(--brand);
  box-shadow:0 0 12px rgba(47,227,196,.65);
}
.timeline h3{font-size:18px;margin-bottom:8px}
.timeline p{color:var(--text-2);font-size:15.5px;line-height:1.8;max-width:46em}
.timeline .t-meta{
  display:inline-block;margin-bottom:8px;
  font-size:12.5px;letter-spacing:.6px;
  color:var(--accent);
}

/* ------- 卡片 ------- */
.cards-2{display:grid;grid-template-columns:1.15fr .85fr;gap:24px}
.gcard{
  border-radius:var(--r-lg);
  padding:32px;
  background:var(--card);
  border:1px solid var(--line);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:var(--shadow-soft);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.gcard:hover{transform:translateY(-4px);border-color:rgba(47,227,196,.42);box-shadow:0 26px 66px rgba(0,0,0,.5)}
.gcard h3{font-size:20px;margin:14px 0 12px}
.gcard p{color:var(--text-2);font-size:15.5px}
.gcard ul{margin-top:18px;display:grid;gap:10px}
.gcard ul li{
  font-size:14.8px;color:var(--text-2);
  padding-left:16px;position:relative;line-height:1.75;
}
.gcard ul li::before{
  content:"";position:absolute;left:0;top:11px;
  width:6px;height:6px;border-radius:50%;
  background:var(--violet);
}
.gcard .note{
  margin-top:22px;padding-top:18px;
  border-top:1px dashed rgba(255,255,255,.16);
  font-size:13.5px;color:var(--text-3);
}

/* ------- 数据条 ------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{
  padding:26px 22px;
  border-radius:var(--r-md);
  border:1px dashed rgba(255,255,255,.16);
  background:rgba(255,255,255,.03);
  transition:border-color .24s ease,background .24s ease,transform .24s ease;
}
.stat:hover{border-color:rgba(47,227,196,.4);background:rgba(47,227,196,.05);transform:translateY(-3px)}
.stat .num{
  font-family:Inter,Manrope,"PingFang SC",sans-serif;
  font-size:clamp(26px,3.2vw,38px);
  font-weight:800;color:#fff;line-height:1.1;
  letter-spacing:-.5px;
}
.stat .num span{color:var(--brand)}
.stat p{margin-top:8px;font-size:14px;color:var(--text-3);line-height:1.7}

/* ------- FAQ ------- */
.faq{display:grid;grid-template-columns:.82fr 1.18fr;gap:52px}
.faq-list{border-top:1px solid var(--line-2)}
.qa{padding:24px 0;border-bottom:1px solid var(--line-2)}
.qa h3{font-size:18px;margin-bottom:10px;display:flex;gap:10px;align-items:flex-start}
.qa h3::before{
  content:"";flex:none;width:7px;height:7px;margin-top:9px;
  border-radius:50%;background:var(--brand);
  box-shadow:0 0 10px rgba(47,227,196,.7);
}
.qa p{color:var(--text-2);font-size:15.5px;padding-left:17px}

/* ------- CTA 与表单 ------- */
.cta-panel{
  position:relative;
  overflow:hidden;
  border-radius:28px;
  border:1px solid var(--line);
  background:linear-gradient(140deg,rgba(47,227,196,.10),rgba(124,108,255,.08) 46%,rgba(255,255,255,.04));
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:var(--shadow);
  padding:52px 48px;
}
.cta-panel::after{
  content:"";
  position:absolute;right:-80px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,227,196,.28),transparent 68%);
  pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}
.cta-inner h2{font-size:clamp(24px,2.7vw,34px);font-weight:800;margin-bottom:14px;line-height:1.32}
.cta-inner p{color:var(--text-2);max-width:34em}
.sub-form{display:flex;gap:12px;flex-wrap:wrap}
.input{
  flex:1 1 220px;min-width:0;
  padding:14px 18px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:rgba(255,255,255,.05);
  color:var(--text);
  font-size:15px;
  transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;
}
.input::placeholder{color:var(--text-3)}
.input:focus{
  outline:none;
  border-color:rgba(47,227,196,.62);
  box-shadow:0 0 0 4px rgba(47,227,196,.16);
  background:rgba(255,255,255,.07);
}
.input.is-error{border-color:rgba(255,158,100,.85);box-shadow:0 0 0 4px rgba(255,158,100,.14)}
.form-hint{margin-top:12px;font-size:13.5px;color:var(--text-3);min-height:20px}
.form-hint.ok{color:var(--brand)}

/* ------- 页脚 ------- */
.site-footer{
  position:relative;z-index:2;
  margin-top:20px;
  padding:70px 0 28px;
  border-top:1px solid var(--line-2);
  background:linear-gradient(180deg,rgba(11,18,38,.5),rgba(7,12,24,.96));
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:38px}
.footer-brand p{color:var(--text-3);font-size:14.5px;margin-top:16px;line-height:1.85;max-width:26em}
.footer-col h4{
  font-size:14px;font-weight:700;letter-spacing:1.2px;
  color:var(--text-2);margin-bottom:18px;
}
.footer-col ul{display:grid;gap:11px}
.footer-col a{color:var(--text-2);font-size:14.5px}
.footer-col a:hover{color:var(--brand)}
.footer-col span{color:var(--text-3);font-size:14px;line-height:1.7}
.footer-sub p{color:var(--text-3);font-size:14.5px;margin-bottom:16px;line-height:1.8}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  margin-top:48px;padding-top:22px;
  border-top:1px solid var(--line-2);
  font-size:13.5px;color:var(--text-3);
}
.footer-bottom .dom{letter-spacing:.6px}

@keyframes fadeDown{
  from{opacity:0;transform:translateY(-10px)}
  to{opacity:1;transform:translateY(0)}
}

/* ------- 响应式 ------- */
@media (max-width:1180px){
  .split{gap:40px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:28px}
}
@media (max-width:1024px){
  .section{padding:74px 0}
  .split{grid-template-columns:1fr;gap:34px}
  .faq{grid-template-columns:1fr;gap:32px}
  .cards-2{grid-template-columns:1fr}
  .cta-inner{grid-template-columns:1fr;gap:30px}
  .steps{grid-template-columns:repeat(2,1fr);gap:26px}
  .steps::before{display:none}
  .stats{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:880px){
  .dock{padding:9px 10px 9px 16px;gap:8px}
  .dock-burger{display:inline-flex}
  .dock-links{
    position:fixed;
    left:16px;right:16px;top:88px;
    margin:0;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    padding:14px;
    border-radius:24px;
    border:1px solid var(--line);
    background:rgba(9,15,30,.95);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    box-shadow:0 24px 60px rgba(0,0,0,.55);
    display:none;
  }
  body.nav-open .dock-links{display:flex;animation:fadeDown .24s ease both}
  body.nav-open{overflow:hidden}
  .dock-links li{width:100%}
  .dock-links a{padding:13px 16px;border-radius:14px;font-size:15px}
  .dock-links a.is-active{box-shadow:none}
}
@media (max-width:640px){
  body{font-size:16px;line-height:1.78}
  .container{padding:0 18px}
  .hero{padding:132px 0 62px}
  .hero-facts{gap:10px;margin-top:34px}
  .hero-facts li{padding:10px 16px;font-size:13.5px}
  .hero-cta .btn{width:100%}
  .section{padding:58px 0}
  .section-head{margin-bottom:32px}
  .steps{grid-template-columns:1fr;gap:22px}
  .stats{grid-template-columns:1fr;gap:14px}
  .gcard{padding:24px}
  .cta-panel{padding:32px 22px;border-radius:22px}
  .sub-form .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{justify-content:flex-start}
  .timeline{padding-left:24px}
  .timeline li::before{left:-24px}
  .dock-search{display:none}
}

/* roulang page: category2 */
:root{
    --bg:#070C18;
    --bg2:#0B1226;
    --brand:#2FE3C4;
    --orange:#FF9E64;
    --purple:#7C6CFF;
    --text:#F5F9FF;
    --muted:#A9B7CC;
    --weak:#6F8099;
    --line:rgba(255,255,255,.12);
    --line-strong:rgba(255,255,255,.22);
    --card:rgba(255,255,255,.06);
    --radius:22px;
    --radius-sm:16px;
    --shadow:0 20px 60px rgba(0,0,0,.45);
    --gap-sec:96px;
  }

  *{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%}
  body.page{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Inter","Manrope",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16.5px;
    line-height:1.85;
    font-weight:400;
    letter-spacing:.1px;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  body.page::before{
    content:"";
    position:fixed;
    inset:0;
    background-image:
      linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
      linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
    background-size:64px 64px;
    -webkit-mask-image:radial-gradient(circle at 50% 12%,rgba(0,0,0,.95),rgba(0,0,0,.15) 70%,transparent 100%);
    mask-image:radial-gradient(circle at 50% 12%,rgba(0,0,0,.95),rgba(0,0,0,.15) 70%,transparent 100%);
    pointer-events:none;
    z-index:0;
  }
  body.page::after{
    content:"";
    position:fixed;
    inset:0;
    background:
      radial-gradient(760px 480px at 78% -6%,rgba(47,227,196,.16),transparent 65%),
      radial-gradient(620px 420px at 6% 22%,rgba(124,108,255,.14),transparent 68%),
      radial-gradient(560px 420px at 50% 108%,rgba(255,158,100,.10),transparent 70%);
    pointer-events:none;
    z-index:0;
  }
  img{max-width:100%;display:block;border:0}
  a{color:var(--brand);text-decoration:none}
  a:hover{color:#7BF3DE}
  button{font:inherit}
  ul{list-style:none;margin:0;padding:0}
  h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em}
  p{margin:0}

  .container{
    width:100%;
    max-width:1240px;
    margin:0 auto;
    padding:0 24px;
    position:relative;
    z-index:2;
  }

  /* ============ Dock 导航 ============ */
  .dock{
    position:fixed;
    top:22px;
    left:50%;
    transform:translateX(-50%);
    width:min(1080px,calc(100% - 32px));
    display:flex;
    align-items:center;
    gap:18px;
    padding:10px 14px 10px 20px;
    border-radius:999px;
    background:rgba(11,18,38,.74);
    border:1px solid var(--line);
    box-shadow:0 18px 50px rgba(0,0,0,.5);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    z-index:80;
  }
  .dock-logo{
    display:inline-flex;
    align-items:center;
    gap:9px;
    color:var(--text);
    font-weight:700;
    font-size:16px;
    letter-spacing:.2px;
    white-space:nowrap;
    flex:0 0 auto;
  }
  .dock-logo:hover{color:var(--text)}
  .dock-logo .dot{
    width:10px;
    height:10px;
    border-radius:50%;
    background:var(--brand);
    box-shadow:0 0 0 4px rgba(47,227,196,.16),0 0 16px rgba(47,227,196,.85);
    flex:0 0 auto;
  }
  .dock-links{
    display:flex;
    align-items:center;
    gap:4px;
    margin-left:6px;
    flex:1 1 auto;
  }
  .dock-links a{
    display:inline-block;
    padding:8px 15px;
    border-radius:999px;
    color:var(--muted);
    font-size:14.5px;
    font-weight:500;
    transition:color .22s ease,background .22s ease;
    white-space:nowrap;
  }
  .dock-links a:hover{color:var(--text);background:rgba(255,255,255,.07)}
  .dock-links a.is-active{
    color:#04140F;
    background:var(--brand);
    font-weight:600;
    box-shadow:0 8px 24px rgba(47,227,196,.28);
  }
  .dock-actions{
    display:flex;
    align-items:center;
    gap:10px;
    flex:0 0 auto;
  }
  .dock-search{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:36px;
    height:36px;
    border-radius:50%;
    color:var(--muted);
    background:rgba(255,255,255,.05);
    border:1px solid var(--line);
    transition:.22s ease;
  }
  .dock-search:hover{color:var(--brand);border-color:rgba(47,227,196,.45);transform:translateY(-1px)}
  .dock-burger{
    display:none;
    width:38px;
    height:38px;
    border-radius:50%;
    background:rgba(255,255,255,.05);
    border:1px solid var(--line);
    cursor:pointer;
    position:relative;
  }
  .dock-burger span,
  .dock-burger span::before,
  .dock-burger span::after{
    content:"";
    position:absolute;
    left:50%;
    width:16px;
    height:2px;
    border-radius:2px;
    background:var(--text);
    transform:translateX(-50%);
    transition:.25s ease;
  }
  .dock-burger span{top:50%;margin-top:-1px}
  .dock-burger span::before{top:-5px;left:0;transform:none}
  .dock-burger span::after{top:5px;left:0;transform:none}

  /* 抽屉 */
  .drawer{
    position:fixed;
    inset:0;
    background:rgba(7,12,24,.96);
    backdrop-filter:blur(18px);
    z-index:90;
    display:flex;
    flex-direction:column;
    padding:26px 24px 40px;
    opacity:0;
    visibility:hidden;
    transition:opacity .28s ease,visibility .28s ease;
  }
  .drawer.is-open{opacity:1;visibility:visible}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:30px}
  .drawer-close{
    width:40px;height:40px;border-radius:50%;
    border:1px solid var(--line);
    background:rgba(255,255,255,.05);
    color:var(--text);font-size:20px;line-height:1;cursor:pointer;
  }
  .drawer nav a{
    display:block;
    padding:16px 6px;
    font-size:19px;
    font-weight:600;
    color:var(--text);
    border-bottom:1px solid rgba(255,255,255,.08);
  }
  .drawer nav a.is-active{color:var(--brand)}
  .drawer .btn{margin-top:28px}

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:13px 26px;
    border-radius:999px;
    font-size:15px;
    font-weight:600;
    line-height:1;
    border:1px solid transparent;
    cursor:pointer;
    transition:transform .22s ease,box-shadow .22s ease,filter .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
    text-decoration:none;
  }
  .btn-primary{
    background:var(--brand);
    color:#04140F;
    box-shadow:0 0 0 1px rgba(47,227,196,.4),0 8px 30px rgba(47,227,196,.35);
  }
  .btn-primary:hover{
    color:#04140F;
    transform:translateY(-2px);
    filter:brightness(1.08);
    box-shadow:0 0 0 1px rgba(47,227,196,.55),0 14px 40px rgba(47,227,196,.45);
  }
  .btn-primary:active{transform:translateY(1px)}
  .btn-outline{
    background:rgba(255,255,255,.05);
    border-color:var(--line-strong);
    color:var(--text);
  }
  .btn-outline:hover{
    color:var(--text);
    transform:translateY(-2px);
    border-color:rgba(47,227,196,.5);
    box-shadow:0 12px 34px rgba(0,0,0,.4);
  }
  .btn-outline:active{transform:translateY(1px)}
  .btn-sm{padding:9px 17px;font-size:14px}
  .btn:focus-visible,
  .dock-links a:focus-visible,
  .dock-search:focus-visible,
  .dock-burger:focus-visible,
  .drawer-close:focus-visible,
  input:focus-visible,
  summary:focus-visible{
    outline:2px solid var(--brand);
    outline-offset:2px;
  }

  /* ============ 面包屑 ============ */
  .crumb{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:8px;
    font-size:13.5px;
    color:var(--weak);
    padding-top:126px;
    margin-bottom:26px;
  }
  .crumb a{color:var(--weak)}
  .crumb a:hover{color:var(--brand)}
  .crumb span.sep{color:rgba(255,255,255,.28)}
  .crumb .now{color:var(--muted)}

  /* ============ 分类 Hero ============ */
  .cat-hero{
    position:relative;
    overflow:hidden;
    border-radius:26px;
    border:1px solid var(--line);
    background:rgba(11,18,38,.6);
    box-shadow:var(--shadow);
    padding:54px 48px 50px;
    min-height:340px;
    display:flex;
    flex-direction:column;
    justify-content:center;
  }
  .cat-hero .hero-bg{
    position:absolute;
    inset:0;
    background-image:url("/assets/images/backpic/back-2.webp");
    background-size:cover;
    background-position:center right;
    opacity:.24;
    filter:saturate(.9);
    z-index:0;
  }
  .cat-hero .hero-veil{
    position:absolute;
    inset:0;
    background:linear-gradient(100deg,rgba(7,12,24,.94) 8%,rgba(7,12,24,.68) 52%,rgba(7,12,24,.35) 100%);
    z-index:1;
  }
  .cat-hero-inner{position:relative;z-index:2;max-width:760px}
  .tagline{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:6px 14px;
    border-radius:999px;
    font-size:13px;
    font-weight:600;
    color:var(--brand);
    background:rgba(47,227,196,.10);
    border:1px solid rgba(47,227,196,.35);
    margin-bottom:20px;
    letter-spacing:.4px;
  }
  .cat-hero h1{
    font-size:clamp(32px,4.6vw,54px);
    line-height:1.18;
    font-weight:800;
    letter-spacing:-.02em;
    margin-bottom:18px;
  }
  .cat-hero h1 em{
    font-style:normal;
    color:var(--brand);
    text-shadow:0 0 34px rgba(47,227,196,.4);
  }
  .cat-hero .lead{
    font-size:17px;
    color:var(--muted);
    max-width:620px;
    margin-bottom:32px;
  }
  .hero-cta{display:flex;flex-wrap:wrap;gap:14px}

  /* ============ 通用板块 ============ */
  .section{padding-top:var(--gap-sec)}
  .sec-head{max-width:720px;margin-bottom:42px}
  .sec-eyebrow{
    font-size:13px;
    font-weight:700;
    letter-spacing:.16em;
    text-transform:uppercase;
    color:var(--orange);
    margin-bottom:12px;
  }
  .sec-head h2{
    font-size:clamp(24px,3vw,38px);
    line-height:1.25;
    font-weight:800;
    letter-spacing:-.02em;
    margin-bottom:14px;
  }
  .sec-head p{color:var(--muted);font-size:16px;max-width:660px}

  .card{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius);
    box-shadow:var(--shadow);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
  }

  /* ============ 双列对比卡 ============ */
  .compare-grid{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:24px;
  }
  .plan{
    position:relative;
    display:flex;
    flex-direction:column;
    overflow:hidden;
    transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
  }
  .plan:hover{transform:translateY(-4px);border-color:rgba(47,227,196,.4);box-shadow:0 28px 70px rgba(0,0,0,.55)}
  .plan-media{height:150px;overflow:hidden;position:relative}
  .plan-media img{width:100%;height:100%;object-fit:cover;opacity:.75}
  .plan-media::after{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(180deg,rgba(11,18,38,.15),rgba(11,18,38,.95));
  }
  .plan-body{padding:28px 30px 32px;display:flex;flex-direction:column;flex:1 1 auto}
  .plan-badge{
    align-self:flex-start;
    padding:5px 13px;
    border-radius:999px;
    font-size:12.5px;
    font-weight:700;
    letter-spacing:.06em;
    margin-bottom:16px;
  }
  .plan-badge.stable{background:rgba(47,227,196,.14);color:var(--brand);border:1px solid rgba(47,227,196,.4)}
  .plan-badge.preview{background:rgba(255,158,100,.14);color:var(--orange);border:1px solid rgba(255,158,100,.4)}
  .plan h3{font-size:22px;font-weight:800;margin-bottom:10px}
  .plan .plan-desc{color:var(--muted);font-size:15.5px;margin-bottom:22px}
  .plan dl{
    margin:0 0 22px;
    display:grid;
    grid-template-columns:88px 1fr;
    gap:10px 14px;
    font-size:14.5px;
  }
  .plan dt{color:var(--weak)}
  .plan dd{margin:0;color:var(--text)}
  .plan ul{margin-bottom:26px}
  .plan ul li{
    position:relative;
    padding-left:22px;
    font-size:15px;
    color:var(--muted);
    margin-bottom:11px;
    line-height:1.75;
  }
  .plan ul li::before{
    content:"";
    position:absolute;
    left:0;
    top:9px;
    width:8px;
    height:8px;
    border-radius:50%;
    background:var(--brand);
    box-shadow:0 0 10px rgba(47,227,196,.7);
  }
  .plan.preview-card ul li::before{background:var(--orange);box-shadow:0 0 10px rgba(255,158,100,.7)}
  .plan .plan-foot{margin-top:auto}

  /* ============ 模块卡 ============ */
  .module-grid{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:22px;
  }
  .module-card{
    padding:28px 30px;
    display:flex;
    gap:20px;
    transition:transform .26s ease,border-color .26s ease;
  }
  .module-card:hover{transform:translateY(-3px);border-color:rgba(47,227,196,.35)}
  .module-icon{
    flex:0 0 auto;
    width:48px;height:48px;
    border-radius:14px;
    display:flex;align-items:center;justify-content:center;
    background:rgba(47,227,196,.12);
    border:1px solid rgba(47,227,196,.3);
    color:var(--brand);
  }
  .module-card h3{font-size:18.5px;font-weight:700;margin-bottom:8px}
  .module-card p{color:var(--muted);font-size:15px}
  .chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
  .chip{
    font-size:12.5px;
    padding:4px 11px;
    border-radius:999px;
    color:var(--muted);
    background:rgba(255,255,255,.06);
    border:1px solid var(--line);
  }
  .chip.mist{color:#C6BEFF;border-color:rgba(124,108,255,.4);background:rgba(124,108,255,.12)}

  /* ============ 更新日志行卡 ============ */
  .log-list{display:flex;flex-direction:column;gap:16px}
  .log-item{
    display:grid;
    grid-template-columns:112px 1fr auto;
    gap:22px;
    align-items:center;
    padding:22px 26px;
    transition:transform .24s ease,border-color .24s ease,background .24s ease;
  }
  .log-item:hover{transform:translateX(4px);border-color:rgba(47,227,196,.35);background:rgba(255,255,255,.075)}
  .log-ver{
    font-family:"Inter","Manrope",sans-serif;
    font-size:18px;
    font-weight:800;
    color:var(--brand);
    letter-spacing:.02em;
  }
  .log-body h3{font-size:17px;font-weight:700;margin-bottom:6px}
  .log-body p{color:var(--muted);font-size:14.5px}
  .log-tag{
    font-size:12.5px;
    font-weight:700;
    padding:5px 13px;
    border-radius:999px;
    white-space:nowrap;
  }
  .log-tag.new{color:#04140F;background:var(--brand)}
  .log-tag.adjust{color:#2A1500;background:var(--orange)}
  .log-tag.fix{color:#EAE6FF;background:rgba(124,108,255,.6);border:1px solid rgba(124,108,255,.8)}
  .log-tag.opt{color:var(--muted);background:rgba(255,255,255,.09);border:1px solid var(--line)}

  /* ============ 核对清单 ============ */
  .check-wrap{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:22px;
  }
  .check-card{padding:30px 32px}
  .check-card h3{
    font-size:19px;
    font-weight:700;
    margin-bottom:18px;
    display:flex;
    align-items:center;
    gap:10px;
  }
  .check-card h3 span{
    width:8px;height:8px;border-radius:50%;
    background:var(--orange);
    box-shadow:0 0 10px rgba(255,158,100,.8);
  }
  .check-item{
    display:flex;
    gap:12px;
    align-items:flex-start;
    padding:12px 0;
    border-bottom:1px dashed rgba(255,255,255,.1);
    font-size:15px;
    color:var(--muted);
  }
  .check-item:last-child{border-bottom:0}
  .check-item .box{
    flex:0 0 auto;
    width:18px;height:18px;
    border-radius:6px;
    border:1px solid rgba(47,227,196,.5);
    margin-top:5px;
    position:relative;
  }
  .check-item .box::after{
    content:"";
    position:absolute;
    left:5px;top:2px;
    width:6px;height:10px;
    border-right:2px solid var(--brand);
    border-bottom:2px solid var(--brand);
    transform:rotate(42deg);
  }

  /* ============ FAQ ============ */
  .faq-wrap{
    display:grid;
    grid-template-columns:minmax(0,340px) minmax(0,1fr);
    gap:44px;
    align-items:start;
  }
  .faq-side h2{
    font-size:clamp(24px,2.8vw,34px);
    line-height:1.28;
    font-weight:800;
    margin-bottom:14px;
  }
  .faq-side p{color:var(--muted);font-size:15.5px;margin-bottom:22px}
  .faq-list{display:flex;flex-direction:column;gap:14px}
  .faq{
    background:rgba(255,255,255,.045);
    border:1px solid var(--line);
    border-radius:var(--radius-sm);
    overflow:hidden;
    transition:border-color .24s ease,background .24s ease;
  }
  .faq[open]{border-color:rgba(47,227,196,.4);background:rgba(255,255,255,.07)}
  .faq summary{
    list-style:none;
    cursor:pointer;
    padding:20px 24px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    font-size:16.5px;
    font-weight:600;
  }
  .faq summary::-webkit-details-marker{display:none}
  .faq .chev{
    flex:0 0 auto;
    width:26px;height:26px;
    border-radius:50%;
    border:1px solid rgba(47,227,196,.45);
    color:var(--brand);
    display:flex;align-items:center;justify-content:center;
    font-size:15px;
    line-height:1;
    transition:transform .26s ease,background .26s ease;
  }
  .faq[open] .chev{transform:rotate(45deg);background:rgba(47,227,196,.16)}
  .faq .faq-ans{
    padding:0 24px 22px;
    color:var(--muted);
    font-size:15.5px;
    line-height:1.85;
  }

  /* ============ CTA ============ */
  .cta-band{
    margin-top:var(--gap-sec);
    position:relative;
    overflow:hidden;
    border-radius:26px;
    border:1px solid var(--line);
    background:linear-gradient(120deg,rgba(47,227,196,.14),rgba(11,18,38,.7) 46%,rgba(124,108,255,.14));
    backdrop-filter:blur(18px);
    box-shadow:var(--shadow);
    padding:48px 46px;
    display:grid;
    grid-template-columns:minmax(0,1fr) minmax(0,420px);
    gap:36px;
    align-items:center;
  }
  .cta-band h2{font-size:clamp(23px,2.8vw,32px);font-weight:800;margin-bottom:12px}
  .cta-band p{color:var(--muted);font-size:15.5px;max-width:520px}
  .sub-form{display:flex;gap:12px;flex-wrap:wrap}
  .sub-form input{
    flex:1 1 200px;
    min-width:0;
    padding:14px 18px;
    border-radius:14px;
    background:rgba(255,255,255,.06);
    border:1px solid var(--line-strong);
    color:var(--text);
    font-size:15px;
    transition:border-color .22s ease,box-shadow .22s ease;
  }
  .sub-form input::placeholder{color:var(--weak)}
  .sub-form input:focus{
    outline:none;
    border-color:rgba(47,227,196,.75);
    box-shadow:0 0 0 4px rgba(47,227,196,.18);
  }
  .sub-form input.is-error{
    border-color:var(--orange);
    box-shadow:0 0 0 4px rgba(255,158,100,.18);
  }
  .form-hint{
    width:100%;
    font-size:13px;
    color:var(--weak);
    margin-top:4px;
  }
  .form-hint.error{color:var(--orange)}
  .form-hint.ok{color:var(--brand)}

  /* ============ 页脚 ============ */
  .site-footer{
    margin-top:var(--gap-sec);
    border-top:1px solid var(--line);
    background:rgba(7,12,24,.85);
    padding:64px 0 28px;
    position:relative;
    z-index:2;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.5fr 1fr 1fr 1fr;
    gap:36px;
  }
  .footer-brand p{
    color:var(--muted);
    font-size:14.5px;
    margin-top:16px;
    max-width:300px;
    line-height:1.8;
  }
  .footer-col h4{
    font-size:14px;
    font-weight:700;
    color:var(--text);
    letter-spacing:.08em;
    margin-bottom:16px;
  }
  .footer-col ul li{margin-bottom:11px}
  .footer-col ul a,
  .footer-col ul span{
    color:var(--muted);
    font-size:14.5px;
  }
  .footer-col ul a:hover{color:var(--brand)}
  .footer-sub p{color:var(--muted);font-size:14.5px;margin-bottom:16px}
  .footer-bottom{
    margin-top:48px;
    padding-top:22px;
    border-top:1px solid rgba(255,255,255,.08);
    display:flex;
    flex-wrap:wrap;
    gap:12px;
    justify-content:space-between;
    align-items:center;
    font-size:13.5px;
    color:var(--weak);
  }
  .footer-bottom .dom{
    font-family:"Inter","Manrope",sans-serif;
    color:var(--weak);
    letter-spacing:.04em;
  }

  /* ============ 响应式 ============ */
  @media (max-width:1180px){
    .dock-links a{padding:8px 12px;font-size:14px}
  }
  @media (max-width:1024px){
    :root{--gap-sec:72px}
    .dock-links{display:none}
    .dock-burger{display:block}
    .dock{padding:9px 12px 9px 16px;justify-content:space-between}
    .dock-actions{margin-left:auto}
    .crumb{padding-top:112px}
    .cat-hero{padding:44px 34px}
    .faq-wrap{grid-template-columns:minmax(0,1fr);gap:30px}
    .cta-band{grid-template-columns:minmax(0,1fr);padding:40px 32px}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  }
  @media (max-width:860px){
    .compare-grid{grid-template-columns:minmax(0,1fr)}
    .module-grid{grid-template-columns:minmax(0,1fr)}
    .check-wrap{grid-template-columns:minmax(0,1fr)}
    .log-item{grid-template-columns:1fr;gap:10px}
    .log-ver{font-size:16px}
  }
  @media (max-width:640px){
    :root{--gap-sec:56px}
    body.page{font-size:16px}
    .container{padding:0 18px}
    .dock{top:14px;width:calc(100% - 24px)}
    .dock-logo{font-size:15px}
    .dock .btn-sm{display:none}
    .crumb{padding-top:96px;font-size:13px}
    .cat-hero{padding:36px 22px;min-height:auto;border-radius:22px}
    .cat-hero h1{margin-bottom:14px}
    .cat-hero .lead{font-size:15.5px;margin-bottom:26px}
    .hero-cta .btn{flex:1 1 100%}
    .plan-body{padding:24px 22px 26px}
    .module-card{padding:24px 22px;flex-direction:column;gap:14px}
    .log-item{padding:20px 20px}
    .check-card{padding:24px 22px}
    .faq summary{padding:17px 18px;font-size:15.5px}
    .faq .faq-ans{padding:0 18px 20px;font-size:15px}
    .cta-band{padding:32px 22px}
    .sub-form{flex-direction:column}
    .sub-form .btn{width:100%}
    .footer-grid{grid-template-columns:1fr;gap:28px}
    .footer-bottom{flex-direction:column;align-items:flex-start}
  }