/* roulang page: index */
:root{
  --bg:#05070F; --bg-2:#0A1122; --bg-3:#0E1730;
  --surface:rgba(255,255,255,0.045); --surface-2:rgba(255,255,255,0.075);
  --line:rgba(147,164,191,0.18); --line-strong:rgba(52,225,214,0.35);
  --primary:#34E1D6; --primary-deep:#12A99E; --accent:#FF4D8D; --warn:#FFC24B;
  --text:#E6EDF7; --muted:#93A4BF; --dim:#5F7291;
  --success:#3DDC97; --danger:#FF6B6B;
  --radius-card:14px; --radius-btn:10px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
::selection{background:rgba(52,225,214,.28);}

/* 滚动条 */
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:var(--bg-2);}
::-webkit-scrollbar-thumb{background:rgba(147,164,191,.25);border-radius:999px;}
::-webkit-scrollbar-thumb:hover{background:rgba(52,225,214,.4);}

/* 容器 */
.container-x{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:1024px){.container-x{padding-left:32px;padding-right:32px;}}

/* 板块间距 */
.section-block{padding-top:52px;padding-bottom:52px;}
@media (min-width:768px){.section-block{padding-top:64px;padding-bottom:64px;}}
@media (min-width:1024px){.section-block{padding-top:88px;padding-bottom:88px;}}

/* 导航 */
.site-header{
  position:fixed;top:0;left:0;width:100%;z-index:60;
  background:rgba(5,7,15,.55);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:background 220ms var(--ease), border-color 220ms var(--ease);
}
.site-header.scrolled{background:rgba(5,7,15,.92);border-bottom-color:var(--line);}
.brand{
  font-size:18px;font-weight:800;letter-spacing:.01em;color:var(--text);
  display:inline-flex;align-items:center;gap:8px;white-space:nowrap;
}
.brand::before{
  content:"";width:9px;height:9px;border-radius:3px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  box-shadow:0 0 12px rgba(52,225,214,.6);
}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:64px;
  padding:0 14px;font-size:15px;color:var(--muted);
  transition:color 200ms var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:14px;height:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform 200ms var(--ease);opacity:.9;
}
.nav-link:hover{color:var(--text);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--primary);}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-capsule{
  display:flex;align-items:center;gap:6px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:999px;padding:5px 6px 5px 14px;
  backdrop-filter:blur(10px);
}
.nav-search-input{
  background:transparent;border:0;color:var(--text);font-size:14px;
  width:130px;padding:6px 4px;
}
.nav-search-input::placeholder{color:var(--dim);}
.nav-search-input:focus{outline:none;}
.hamburger{
  width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface);display:inline-flex;flex-direction:column;
  align-items:center;justify-content:center;gap:5px;
}
.hamburger span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform 200ms var(--ease);}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:82vw;max-width:340px;
  background:rgba(10,17,34,.98);backdrop-filter:blur(16px);
  border-left:1px solid var(--line);z-index:80;
  transform:translateX(100%);transition:transform 260ms var(--ease);
  display:flex;flex-direction:column;padding:22px 20px;
}
.drawer.open{transform:translateX(0);}
.drawer-link{
  display:flex;align-items:center;height:48px;padding:0 12px;border-radius:10px;
  font-size:15px;color:var(--muted);border-bottom:1px solid rgba(147,164,191,.1);
}
.drawer-link:hover{background:var(--surface);color:var(--text);}
.drawer-link.is-active{color:var(--primary);}
.overlay{
  position:fixed;inset:0;background:rgba(5,7,15,.72);backdrop-filter:blur(6px);
  z-index:70;opacity:0;pointer-events:none;transition:opacity 220ms var(--ease);
}
.overlay.open{opacity:1;pointer-events:auto;}

/* 按钮 */
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--radius-btn);border:0;
  font-size:15px;font-weight:700;color:#04121A;
  background:linear-gradient(135deg,#34E1D6,#12A99E);
  box-shadow:0 0 0 1px rgba(52,225,214,.45),0 10px 34px rgba(52,225,214,.28);
  transition:transform 200ms var(--ease),box-shadow 200ms var(--ease),background 200ms var(--ease);
}
.btn-primary:hover{
  transform:translateY(-1px);
  box-shadow:0 0 0 1px rgba(52,225,214,.6),0 10px 34px rgba(52,225,214,.40),0 0 24px rgba(255,77,141,.22);
}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(52,225,214,.3),0 4px 14px rgba(52,225,214,.14);}
.btn-secondary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--radius-btn);
  border:1px solid var(--line-strong);background:transparent;
  color:var(--primary);font-size:15px;font-weight:600;
  transition:background 200ms var(--ease),transform 200ms var(--ease),border-color 200ms var(--ease);
}
.btn-secondary:hover{background:rgba(52,225,214,.08);border-color:var(--primary);transform:translateY(-1px);}
.btn-secondary:active{transform:translateY(1px);}
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--radius-btn);border:1px solid rgba(255,77,141,.5);
  font-size:15px;font-weight:700;color:#04121A;
  background:linear-gradient(135deg,#34E1D6,#12A99E);
  box-shadow:0 0 0 1px rgba(52,225,214,.4),0 8px 26px rgba(255,77,141,.24);
  transition:transform 200ms var(--ease),box-shadow 200ms var(--ease);
}
.btn-accent:hover{transform:translateY(-1px);box-shadow:0 0 0 1px rgba(255,77,141,.6),0 12px 32px rgba(255,77,141,.34);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--muted);background:none;border:0;padding:0;
  transition:color 180ms var(--ease);
}
.btn-ghost .arrow{transition:transform 180ms var(--ease);}
.btn-ghost:hover{color:var(--primary);}
.btn-ghost:hover .arrow{transform:translateX(3px);}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--primary);}
.link-arrow:hover{color:#7FF0E7;}
.inline-link{
  color:var(--primary);border-bottom:1px dotted rgba(52,225,214,.6);
}
.inline-link:hover{border-bottom-style:solid;}

/* 玻璃卡 */
.glass-card{
  position:relative;
  background:var(--surface);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-radius:var(--radius-card);
  border:1px solid transparent;
  background-image:linear-gradient(var(--surface),var(--surface)),
    linear-gradient(135deg,rgba(52,225,214,.30),rgba(255,77,141,.16));
  background-origin:border-box;
  background-clip:padding-box,border-box;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease);
}
.glass-card::before{
  content:"";position:absolute;left:-1px;top:-1px;width:14px;height:14px;
  border-top:2px solid rgba(52,225,214,.55);border-left:2px solid rgba(52,225,214,.55);
  border-top-left-radius:14px;pointer-events:none;
}
.glass-card::after{
  content:"";position:absolute;right:-1px;bottom:-1px;width:14px;height:14px;
  border-bottom:2px solid rgba(255,77,141,.4);border-right:2px solid rgba(255,77,141,.4);
  border-bottom-right-radius:14px;pointer-events:none;
}
.glass-card:hover{transform:translateY(-4px);}
.plain-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:0 10px 30px rgba(0,0,0,.35);
  transition:transform 220ms var(--ease),border-color 220ms var(--ease);
}
.plain-card:hover{transform:translateY(-4px);border-color:var(--line-strong);}

/* 标签 / 徽章 */
.badge-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:13px;letter-spacing:.04em;
  color:var(--primary);background:rgba(52,225,214,.10);
  border:1px solid rgba(52,225,214,.28);
}
.tag{
  display:inline-flex;align-items:center;
  padding:3px 10px;border-radius:999px;font-size:12px;letter-spacing:.04em;
  background:rgba(52,225,214,.12);color:var(--primary);
}
.tag-alt{background:rgba(255,77,141,.12);color:#FF9AC1;}
.meta-dot{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;color:var(--dim);letter-spacing:.04em;
}
.meta-dot::before{content:"";width:5px;height:5px;border-radius:999px;background:var(--dim);}

/* Hero */
.hero-section{position:relative;padding-top:112px;padding-bottom:56px;overflow:hidden;}
@media (min-width:1024px){.hero-section{padding-top:132px;padding-bottom:88px;}}
.hero-glow{
  position:absolute;top:-160px;right:-120px;width:620px;height:620px;pointer-events:none;
  background:radial-gradient(circle at center,rgba(52,225,214,.16),rgba(52,225,214,0) 62%);
}
.hero-glow-b{
  position:absolute;bottom:-200px;left:-160px;width:520px;height:520px;pointer-events:none;
  background:radial-gradient(circle at center,rgba(255,77,141,.12),rgba(255,77,141,0) 66%);
}
.h1-title{
  font-size:clamp(30px,4.6vw,54px);
  font-weight:800;line-height:1.16;letter-spacing:-0.01em;
  color:var(--text);margin:0;
}
.h1-title em{font-style:normal;color:var(--primary);}
.hero-sub{
  font-size:17px;line-height:1.85;color:var(--muted);max-width:38ch;margin:0;
}
.trust-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  font-size:13px;color:var(--muted);
}
.trust-row i{display:inline-block;width:1px;height:12px;background:var(--line);}
.hero-visual{
  position:relative;border-radius:18px;overflow:hidden;
  border:1px solid var(--line);aspect-ratio:4/3;background:var(--bg-3);
}
.hero-visual img{width:100%;height:100%;object-fit:cover;}
.hero-visual::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(90deg,rgba(5,7,15,.92) 0%,rgba(5,7,15,.42) 26%,rgba(5,7,15,0) 58%);
}
.float-card{
  position:absolute;z-index:2;padding:12px 14px;border-radius:12px;
  background:rgba(10,17,34,.78);backdrop-filter:blur(12px);
  border:1px solid var(--line);
  box-shadow:0 12px 32px rgba(0,0,0,.4);
}
.float-card .num{
  font-size:20px;font-weight:800;color:var(--primary);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.float-card .lbl{font-size:12px;color:var(--muted);letter-spacing:.04em;}
.float-a{left:16px;top:16px;}
.float-b{right:16px;bottom:16px;}
@media (max-width:640px){
  .float-card{padding:9px 11px;}
  .float-card .num{font-size:16px;}
  .float-card .lbl{font-size:11px;}
}

/* 区头 */
.section-head{max-width:720px;margin-bottom:36px;}
.section-head h2{
  font-size:clamp(22px,2.8vw,34px);font-weight:700;line-height:1.3;
  margin:0 0 12px;color:var(--text);
}
.section-head p{margin:0;color:var(--muted);font-size:15px;max-width:44ch;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.12em;color:var(--dim);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--line-strong);}

/* 痛点卡 */
.pain-card{padding:26px 24px;overflow:hidden;}
.pain-num{
  font-size:64px;font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1px rgba(147,164,191,.32);
  opacity:.5;font-variant-numeric:tabular-nums;
  display:block;margin-bottom:12px;
}
.pain-card h3{font-size:17px;font-weight:600;margin:0 0 10px;color:var(--text);}
.pain-card p{margin:0;font-size:14px;line-height:1.85;color:var(--muted);}

/* 方案卡 */
.feature-media{
  border-radius:12px;overflow:hidden;border:1px solid var(--line);
  aspect-ratio:16/9;background:var(--bg-3);margin-bottom:20px;
}
.feature-media img{width:100%;height:100%;object-fit:cover;}
.feature-main{padding:22px;}
.feature-main h3{font-size:20px;font-weight:700;margin:14px 0 10px;color:var(--text);}
.feature-main p{margin:0 0 10px;font-size:14px;line-height:1.85;color:var(--muted);}
.feature-small{padding:22px;display:flex;flex-direction:column;gap:10px;}
.feature-small h3{font-size:17px;font-weight:600;margin:0;color:var(--text);}
.feature-small p{margin:0;font-size:14px;line-height:1.8;color:var(--muted);}
.feature-small .icon-slot{
  width:38px;height:38px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(52,225,214,.10);border:1px solid rgba(52,225,214,.25);
  color:var(--primary);font-size:15px;font-weight:700;
}

/* 数据条 */
.stat-bar{
  background:var(--bg-3);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:38px 0;
}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.stat-item{padding:0 18px;position:relative;text-align:left;}
.stat-item + .stat-item::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:1px;background:var(--line);
}
.stat-num{
  font-size:clamp(28px,3.4vw,46px);font-weight:800;line-height:1.1;
  color:var(--warn);font-variant-numeric:tabular-nums;letter-spacing:-0.01em;
}
.stat-num.is-cyan{color:var(--primary);}
.stat-lbl{margin-top:12px;font-size:13px;color:var(--muted);}
@media (max-width:767px){
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:28px 0;}
  .stat-item{padding:0 12px;}
  .stat-item + .stat-item::before{display:none;}
  .stat-item:nth-child(even){padding-left:20px;}
  .stat-item:nth-child(even)::before{content:"";display:block;position:absolute;left:0;top:6px;bottom:6px;width:1px;background:var(--line);}
}

/* 列表条目（形态 A） */
.list-item{
  display:block;padding:20px 18px;border-radius:12px;
  border:1px solid var(--line);background:var(--surface);
  position:relative;overflow:hidden;
  transition:background 200ms var(--ease),transform 200ms var(--ease),border-color 200ms var(--ease);
}
.list-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:2px;
  background:linear-gradient(180deg,var(--primary),var(--accent));
  transform:scaleY(0);transform-origin:top;transition:transform 220ms var(--ease);
}
.list-item:hover{background:rgba(255,255,255,.03);transform:translateY(-3px);border-color:var(--line-strong);}
.list-item:hover::before{transform:scaleY(1);}
.list-item h3{font-size:17px;font-weight:600;margin:0 0 8px;color:var(--text);line-height:1.55;}
.list-item:hover h3{color:var(--primary);}
.list-item .excerpt{
  margin:0 0 12px;font-size:14px;line-height:1.8;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.list-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}

/* 空态 */
.empty-state{
  grid-column:1/-1;
  display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:48px 20px;border:1px dashed var(--line);border-radius:var(--radius-card);
  background:rgba(255,255,255,.02);
}
.empty-state .icon{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--dim);
}
.empty-state p{margin:0;font-size:14px;color:var(--muted);}

/* FAQ */
.faq-wrap{max-width:860px;}
.faq-item{
  border-radius:var(--radius-card);margin-bottom:14px;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);
  transition:border-color 200ms var(--ease);
}
.faq-item.open{border-color:var(--line-strong);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;background:none;border:0;text-align:left;
  font-size:17px;font-weight:600;color:var(--text);line-height:1.6;
}
.faq-sign{
  flex:none;width:24px;height:24px;border-radius:50%;
  border:1px solid var(--line-strong);position:relative;
  transition:transform 240ms var(--ease),background 200ms var(--ease);
}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--primary);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-sign::before{width:10px;height:2px;}
.faq-sign::after{width:2px;height:10px;transition:opacity 200ms var(--ease);}
.faq-item.open .faq-sign{transform:rotate(180deg);background:rgba(52,225,214,.12);}
.faq-item.open .faq-sign::after{opacity:0;}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height 300ms var(--ease);
}
.faq-a-inner{
  padding:0 22px 20px;font-size:15px;line-height:1.9;color:var(--muted);
  border-top:1px solid rgba(147,164,191,.12);padding-top:14px;margin:0 22px 20px;
}

/* CTA 面板 */
.cta-panel{
  padding:32px;
  background-image:linear-gradient(rgba(255,255,255,.05),rgba(255,255,255,.05)),
    linear-gradient(135deg,rgba(52,225,214,.34),rgba(255,77,141,.18));
}
.cta-panel h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.35;margin:0 0 18px;color:var(--text);}
.cta-list{list-style:none;margin:0;padding:0;}
.cta-list li{
  position:relative;padding-left:20px;margin-bottom:10px;
  font-size:14px;color:var(--muted);line-height:1.8;
}
.cta-list li::before{
  content:"";position:absolute;left:0;top:9px;width:7px;height:7px;
  background:var(--primary);transform:rotate(45deg);border-radius:1px;
}
.cta-note{font-size:13px;color:var(--dim);line-height:1.8;}

/* 隐私说明带 */
.privacy-band{
  background:var(--bg-3);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:28px 0;
}
.privacy-band h3{font-size:16px;font-weight:600;margin:0 0 8px;color:var(--text);}
.privacy-band p{margin:0;font-size:13px;line-height:1.85;color:var(--muted);}

/* 页脚 */
.site-footer{background:var(--bg-3);border-top:1px solid var(--line);padding-top:56px;}
.footer-title{font-size:13px;letter-spacing:.08em;color:var(--dim);margin:0 0 16px;}
.footer-link{
  display:block;font-size:14px;color:var(--muted);padding:5px 0;
  transition:color 180ms var(--ease);
}
.footer-link:hover{color:var(--primary);}
.social-dot{
  width:34px;height:34px;border-radius:50%;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;color:var(--muted);
  transition:border-color 200ms var(--ease),color 200ms var(--ease);
}
.social-dot:hover{border-color:var(--line-strong);color:var(--primary);}
.footer-bottom{
  border-top:1px solid var(--line);margin-top:44px;padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px 20px;align-items:center;justify-content:space-between;
  font-size:12px;color:var(--dim);
}

/* 模态 */
.modal-mask{
  position:fixed;inset:0;z-index:90;
  background:rgba(5,7,15,.72);backdrop-filter:blur(6px);
  display:flex;align-items:center;justify-content:center;padding:20px;
  opacity:0;pointer-events:none;transition:opacity 220ms var(--ease);
}
.modal-mask.open{opacity:1;pointer-events:auto;}
.modal-panel{
  width:560px;max-width:100%;max-height:88vh;overflow-y:auto;
  border-radius:16px;padding:28px;position:relative;
  background:rgba(10,17,34,.96);
  border:1px solid var(--line-strong);
  box-shadow:0 24px 60px rgba(0,0,0,.55);
  transform:translateY(10px);transition:transform 240ms var(--ease);
}
.modal-mask.open .modal-panel{transform:translateY(0);}
@media (max-width:640px){.modal-panel{width:92vw;padding:22px;}}
.modal-close{
  position:absolute;right:14px;top:14px;width:32px;height:32px;border-radius:8px;
  border:1px solid var(--line);background:transparent;color:var(--muted);
  display:flex;align-items:center;justify-content:center;font-size:16px;
  transition:color 180ms var(--ease),border-color 180ms var(--ease);
}
.modal-close:hover{color:var(--text);border-color:var(--line-strong);}
.field-label{display:block;font-size:13px;color:var(--muted);margin:16px 0 6px;}
.field-input,.field-textarea{
  width:100%;height:48px;padding:0 14px;border-radius:10px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  color:var(--text);font-size:14px;font-family:inherit;
  transition:border-color 180ms var(--ease),box-shadow 180ms var(--ease);
}
.field-textarea{height:96px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field-input::placeholder,.field-textarea::placeholder{color:var(--dim);}
.field-input:focus,.field-textarea:focus{
  outline:none;border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(52,225,214,.16);
}
.field-input.is-error,.field-textarea.is-error{border-color:var(--danger);}
.field-error{font-size:12px;color:var(--danger);margin-top:6px;display:none;}
.field-error.show{display:block;}
.check-row{display:flex;align-items:flex-start;gap:10px;margin:18px 0 0;font-size:13px;color:var(--muted);line-height:1.7;}
.check-row input{
  appearance:none;-webkit-appearance:none;
  width:18px;height:18px;flex:none;margin-top:2px;border-radius:5px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  position:relative;cursor:pointer;
}
.check-row input:checked{border-color:var(--primary);background:rgba(52,225,214,.18);}
.check-row input:checked::after{
  content:"";position:absolute;left:5px;top:2px;width:6px;height:10px;
  border:2px solid var(--primary);border-top:0;border-left:0;transform:rotate(42deg);
}
.modal-note{font-size:12px;color:var(--dim);margin-top:12px;line-height:1.7;}

/* 线截断 */
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .glass-card:hover,.plain-card:hover,.list-item:hover,.btn-primary:hover,.btn-secondary:hover,.btn-accent:hover{transform:none;}
}

/* roulang page: article */
:root{
  --bg:#05070F;--bg-2:#0A1122;--bg-3:#0E1730;
  --surface:rgba(255,255,255,0.045);--surface-2:rgba(255,255,255,0.075);
  --line:rgba(147,164,191,0.18);--line-strong:rgba(52,225,214,0.35);
  --primary:#34E1D6;--primary-deep:#12A99E;--accent:#FF4D8D;--warn:#FFC24B;
  --text:#E6EDF7;--muted:#93A4BF;--dim:#5F7291;
  --success:#3DDC97;--danger:#FF6B6B;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .2s var(--ease);}
button{font:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;line-height:1.25;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.text-mutedc{color:var(--muted);}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;height:64px;
  background:rgba(5,7,15,.55);backdrop-filter:blur(12px) saturate(140%);
  border-bottom:1px solid transparent;
  transition:background .24s var(--ease),border-color .24s var(--ease);
}
.site-header.is-scrolled{background:rgba(5,7,15,.92);border-bottom-color:var(--line);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px;}
.nav-left{display:flex;align-items:center;gap:26px;min-width:0;}
.brand-logo{font-size:17px;font-weight:800;letter-spacing:.01em;color:var(--text);white-space:nowrap;}
.brand-logo:hover{color:var(--primary);}
.nav-link{
  position:relative;display:inline-block;color:var(--muted);font-size:14px;font-weight:500;
  padding:6px 2px;margin:0 10px;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 10px rgba(52,225,214,.6);
  transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--text);}
.nav-link:hover::after{transform:scaleX(.55);}
.nav-link.is-active{color:var(--primary);}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:12px;}
.glass-pill{
  display:flex;align-items:center;gap:8px;padding:5px 6px 5px 10px;border-radius:999px;
  background:var(--surface);border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
}
.search-toggle{
  display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;
  border:0;border-radius:999px;background:transparent;color:var(--muted);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.search-toggle:hover{color:var(--primary);background:rgba(52,225,214,.1);}
.search-input{
  width:0;opacity:0;padding:0;border:0;background:transparent;color:var(--text);
  font-size:14px;transition:width .24s var(--ease),opacity .24s var(--ease),padding .24s var(--ease);
}
.search-input::placeholder{color:var(--dim);}
.glass-pill.is-open .search-input{width:148px;opacity:1;padding:0 6px;}
.hamburger{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface);flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.hamburger span{display:block;width:16px;height:2px;background:var(--text);border-radius:2px;}

/* ---------- 按钮 ---------- */
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border:0;border-radius:10px;
  font-weight:700;font-size:15px;color:#04121A;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  box-shadow:0 0 0 1px rgba(52,225,214,.45),0 10px 34px rgba(52,225,214,.28);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-primary:hover{
  transform:translateY(-1px);
  box-shadow:0 0 0 1px rgba(52,225,214,.6),0 10px 34px rgba(52,225,214,.4),inset 0 0 0 1px rgba(255,77,141,.28);
}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(52,225,214,.3),0 4px 14px rgba(52,225,214,.18);}
.btn-primary.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-secondary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:10px;font-weight:600;font-size:15px;
  color:var(--primary);background:transparent;border:1px solid var(--line-strong);
  transition:background .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.btn-secondary:hover{background:rgba(52,225,214,.08);border-color:var(--primary);transform:translateY(-1px);}
.btn-secondary:active{transform:translateY(1px);}
.btn-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border:0;border-radius:10px;font-weight:700;font-size:15px;color:#04121A;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  box-shadow:0 0 0 1px rgba(52,225,214,.5),inset 0 0 0 1.5px rgba(255,77,141,.45),0 12px 30px rgba(255,77,141,.18);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-cta:hover{transform:translateY(-1px);box-shadow:0 0 0 1px rgba(52,225,214,.7),inset 0 0 0 1.5px rgba(255,77,141,.7),0 14px 34px rgba(52,225,214,.3);}
.btn-cta:active{transform:translateY(1px);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:6px;border:0;background:transparent;
  color:var(--muted);font-size:14px;font-weight:600;padding:0;
  transition:color .2s var(--ease);
}
.btn-ghost .arrow{transition:transform .2s var(--ease);}
.btn-ghost:hover{color:var(--primary);}
.btn-ghost:hover .arrow{transform:translateX(3px);}

/* ---------- 玻璃卡 / 标签 ---------- */
.glass-card{
  position:relative;background:var(--surface);backdrop-filter:blur(14px) saturate(140%);
  border-radius:14px;box-shadow:0 10px 30px rgba(0,0,0,.35);
}
.glass-card::before{
  content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;pointer-events:none;
  background:linear-gradient(135deg,rgba(52,225,214,.30),rgba(255,77,141,.16));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;
}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:rgba(52,225,214,.12);color:var(--primary);font-size:12.5px;letter-spacing:.04em;
}
.meta-dot{color:var(--dim);font-size:12px;}

/* ---------- 文章首屏 ---------- */
.page-hero{
  padding:132px 0 44px;
  background:
    radial-gradient(1100px 420px at 12% -10%,rgba(52,225,214,.12),transparent 62%),
    radial-gradient(760px 380px at 88% 0%,rgba(255,77,141,.10),transparent 66%),
    var(--bg);
  border-bottom:1px solid var(--line);
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:22px;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:var(--dim);}
.breadcrumb .crumb-current{color:var(--dim);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.page-hero h1{
  font-size:clamp(30px,4.6vw,50px);font-weight:800;line-height:1.16;letter-spacing:-.01em;
  margin:16px 0 20px;max-width:26ch;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13px;color:var(--dim);letter-spacing:.04em;}
.meta-sep{width:1px;height:12px;background:var(--line);display:inline-block;}

/* ---------- 文章主体 ---------- */
.article-section{padding:56px 0 88px;background:var(--bg-2);}
.article-shell{
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  padding:40px 44px 32px;box-shadow:0 10px 30px rgba(0,0,0,.35);
}
.article-body{font-size:17px;line-height:1.95;color:#D8E2F1;max-width:760px;}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.3em;}
.article-body h2{
  font-size:24px;font-weight:700;line-height:1.4;color:var(--text);
  margin:40px 0 16px;padding-left:14px;border-left:4px solid var(--primary);
}
.article-body h3{font-size:19px;font-weight:700;color:var(--text);margin:28px 0 12px;}
.article-body h4{font-size:17px;font-weight:700;color:var(--text);margin:22px 0 10px;}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:0;}
.article-body li{position:relative;padding-left:20px;margin-bottom:9px;line-height:1.9;color:#CBD7E8;}
.article-body li::before{
  content:"";position:absolute;left:0;top:.75em;width:7px;height:7px;border-radius:2px;background:var(--primary);
}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;background:var(--surface);border-left:3px solid var(--accent);
  border-radius:10px;color:var(--muted);font-style:italic;
}
.article-body img{
  margin:22px auto;border-radius:12px;border:1px solid var(--line);height:auto;
}
.article-body a{color:var(--primary);border-bottom:1px dotted var(--primary);}
.article-body a:hover{border-bottom-style:solid;}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  border:1px solid var(--line);border-radius:10px;overflow:hidden;display:block;overflow-x:auto;
}
.article-body th{background:var(--bg-3);color:var(--text);font-weight:600;text-align:left;}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);}
.article-body tbody tr:hover{background:rgba(255,255,255,.03);}
.article-body pre{
  background:var(--bg-3);border:1px solid var(--line);border-radius:10px;padding:16px;
  overflow-x:auto;font-size:14px;line-height:1.7;margin:22px 0;
}
.article-body code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;}
.article-body p code,.article-body li code{
  background:var(--bg-3);padding:2px 6px;border-radius:6px;font-size:14.5px;color:var(--primary);
}
.article-foot{margin-top:38px;}
.divider{height:1px;background:var(--line);}
.foot-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;margin-top:22px;}
.foot-actions{display:flex;gap:12px;flex-wrap:wrap;}

.empty-state{text-align:center;padding:48px 16px;}
.empty-icon{
  width:52px;height:52px;margin:0 auto 18px;border-radius:14px;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--primary);background:var(--surface);
}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:10px;}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:22px;}

/* ---------- 侧栏 ---------- */
.sidebar{position:sticky;top:88px;align-self:start;display:flex;flex-direction:column;gap:20px;}
.side-card{padding:24px;}
.side-title{font-size:15px;font-weight:700;color:var(--text);margin-bottom:14px;letter-spacing:.02em;}
.side-item{
  display:block;padding:14px 14px 14px 16px;border-radius:10px;border-left:2px solid transparent;
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.side-item:hover{background:rgba(255,255,255,.03);border-left-color:var(--primary);}
.side-item-title{display:block;font-size:15px;font-weight:600;color:var(--text);}
.side-item:hover .side-item-title{color:var(--primary);}
.side-item-desc{display:block;font-size:13px;color:var(--muted);margin-top:4px;line-height:1.7;}
.side-note{font-size:13px;color:var(--dim);margin-top:12px;line-height:1.7;}

/* ---------- CTA 面板 ---------- */
.cta-section{padding:0 0 88px;background:var(--bg-2);}
.cta-panel{padding:44px;}
.cta-panel h2{font-size:clamp(22px,2.8vw,32px);font-weight:700;margin-bottom:14px;}
.cta-panel > .grid > div > p{color:var(--muted);font-size:15.5px;max-width:46ch;}
.cta-points{margin-top:20px;display:flex;flex-direction:column;gap:10px;}
.cta-points li{position:relative;padding-left:20px;font-size:14.5px;color:var(--muted);}
.cta-points li::before{
  content:"";position:absolute;left:0;top:.68em;width:7px;height:7px;border-radius:2px;background:var(--primary);
}
.cta-note{font-size:13px;color:var(--dim);margin-top:14px;text-align:center;}

/* ---------- 隐私说明带 ---------- */
.privacy-band{background:var(--bg-3);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:28px 0;}
.privacy-inner{display:grid;grid-template-columns:220px 1fr;gap:24px;align-items:start;}
.privacy-inner h3{font-size:16px;font-weight:700;color:var(--text);}
.privacy-inner p{font-size:13px;color:var(--muted);line-height:1.8;}
.privacy-inner p + p{margin-top:6px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-3);border-top:1px solid var(--line);padding:64px 0 24px;}
.footer-title{font-size:13px;font-weight:700;color:var(--text);letter-spacing:.06em;margin-bottom:16px;}
.footer-link{display:block;font-size:14px;color:var(--muted);margin-bottom:10px;}
.footer-link:hover{color:var(--primary);}
.social-dot{
  display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:999px;
  background:var(--surface);border:1px solid var(--line);color:var(--muted);font-size:13px;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.social-dot:hover{color:var(--primary);border-color:var(--line-strong);}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  border-top:1px solid var(--line);margin-top:48px;padding-top:20px;
  font-size:12px;color:var(--dim);
}

/* ---------- 抽屉 / 模态 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(5,7,15,.72);backdrop-filter:blur(6px);
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);z-index:70;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;top:0;right:0;height:100%;width:82vw;max-width:340px;z-index:80;
  background:var(--bg-2);border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform .26s var(--ease);
  display:flex;flex-direction:column;padding:22px 20px;overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;}
.drawer-close{width:34px;height:34px;border-radius:10px;border:1px solid var(--line);background:var(--surface);color:var(--muted);font-size:18px;line-height:1;}
.drawer-link{
  display:flex;align-items:center;height:48px;border-radius:10px;padding:0 12px;
  color:var(--muted);font-size:15px;border-bottom:1px solid var(--line);
}
.drawer-link.is-active{color:var(--primary);background:rgba(52,225,214,.08);}
.drawer-link:hover{color:var(--primary);}
.drawer-cta{margin-top:auto;width:100%;}

.modal-mask{
  position:fixed;inset:0;z-index:90;display:flex;align-items:center;justify-content:center;padding:20px;
  background:rgba(5,7,15,.72);backdrop-filter:blur(6px);
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.modal-mask.is-open{opacity:1;visibility:visible;}
.modal-panel{
  position:relative;width:560px;max-width:100%;max-height:88vh;overflow-y:auto;
  background:rgba(10,17,34,.96);backdrop-filter:blur(14px) saturate(140%);
  border-radius:16px;padding:32px;box-shadow:0 24px 60px rgba(0,0,0,.55);
  border:1px solid var(--line);transform:translateY(12px);transition:transform .24s var(--ease);
}
.modal-mask.is-open .modal-panel{transform:translateY(0);}
.modal-close{
  position:absolute;top:16px;right:16px;width:32px;height:32px;border-radius:10px;
  border:1px solid var(--line);background:var(--surface);color:var(--muted);font-size:18px;line-height:1;
}
.modal-close:hover{color:var(--primary);border-color:var(--line-strong);}
.modal-title{font-size:22px;font-weight:700;margin:14px 0 8px;}
.modal-sub{font-size:14px;color:var(--muted);margin-bottom:22px;}
.consult-form{display:flex;flex-direction:column;gap:6px;}
.field-label{font-size:13px;color:var(--muted);margin-top:10px;}
.field-input{
  height:48px;border-radius:10px;border:1px solid var(--line);background:rgba(255,255,255,.03);
  color:var(--text);font-size:15px;padding:0 14px;font-family:inherit;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field-input::placeholder{color:var(--dim);}
.field-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(52,225,214,.16);}
.field-area{height:auto;min-height:92px;padding:12px 14px;resize:vertical;line-height:1.7;}
.check-row{display:flex;align-items:flex-start;gap:10px;margin:16px 0 6px;font-size:13px;color:var(--muted);line-height:1.7;}
.check-row input{margin-top:5px;width:15px;height:15px;accent-color:#34E1D6;}
.consult-form .btn-cta{width:100%;}
.form-note{font-size:12px;color:var(--dim);margin-top:12px;text-align:center;}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:28px;z-index:50;width:46px;height:46px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(10,17,34,.92);border:1px solid var(--line-strong);color:var(--primary);
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease),transform .2s var(--ease);
}
.to-top.is-show{opacity:1;visibility:visible;}
.to-top:hover{transform:translateY(-3px);}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-left nav{display:none;}
  .hamburger{display:flex;}
  .glass-pill{display:none;}
  .sidebar{position:static;}
}
@media (min-width:1024px){
  .mobile-drawer,.drawer-mask{display:none;}
}
@media (max-width:767px){
  .container-x{padding:0 20px;}
  .page-hero{padding:112px 0 34px;}
  .article-section{padding:40px 0 64px;}
  .article-shell{padding:28px 20px 24px;}
  .article-body{font-size:16.5px;line-height:1.9;}
  .article-body h2{font-size:21px;margin-top:32px;}
  .article-body h3{font-size:18px;}
  .cta-panel{padding:28px 20px;}
  .cta-section{padding:0 0 64px;}
  .privacy-inner{grid-template-columns:1fr;gap:12px;}
  .site-footer{padding:48px 0 20px;}
  .to-top{right:16px;bottom:18px;}
  .modal-panel{padding:24px 20px;width:92vw;}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
  .btn-primary:hover,.btn-secondary:hover,.btn-cta:hover,.to-top:hover,.side-item:hover{transform:none;}
}

/* roulang page: category1 */
:root{
    --bg:#05070F; --bg-2:#0A1122; --bg-3:#0E1730;
    --surface:rgba(255,255,255,0.045); --surface-2:rgba(255,255,255,0.075);
    --line:rgba(147,164,191,0.18); --line-strong:rgba(52,225,214,0.35);
    --primary:#34E1D6; --primary-deep:#12A99E; --accent:#FF4D8D; --warn:#FFC24B;
    --text:#E6EDF7; --muted:#93A4BF; --dim:#5F7291;
    --success:#3DDC97; --danger:#FF6B6B;
    --radius-card:14px; --radius-btn:10px;
    --ease:cubic-bezier(.22,.61,.36,1);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  h1,h2,h3,h4,p,figure,ul,ol{margin:0;}
  ul,ol{padding:0;list-style:none;}
  a{color:var(--primary);text-decoration:none;transition:color .2s var(--ease);}
  img{display:block;max-width:100%;}
  button{font-family:inherit;}
  :focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
  ::selection{background:rgba(52,225,214,.28);}

  .container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
  .skip-link{position:absolute;left:16px;top:-60px;z-index:200;background:var(--bg-3);color:var(--text);padding:10px 16px;border-radius:8px;border:1px solid var(--line-strong);transition:top .2s var(--ease);}
  .skip-link:focus{top:12px;}

  /* ---------- 导航 ---------- */
  .site-header{
    position:fixed;top:0;left:0;right:0;z-index:60;height:64px;
    background:rgba(5,7,15,.55);
    -webkit-backdrop-filter:blur(12px) saturate(140%);
    backdrop-filter:blur(12px) saturate(140%);
    border-bottom:1px solid transparent;
    transition:background .24s var(--ease),border-color .24s var(--ease);
  }
  .site-header.is-scrolled{background:rgba(5,7,15,.92);border-bottom-color:var(--line);}
  .header-inner{height:64px;display:flex;align-items:center;justify-content:space-between;gap:24px;}
  .header-left{display:flex;align-items:center;gap:26px;min-width:0;}
  .header-right{display:flex;align-items:center;gap:12px;}

  .brand{display:inline-flex;align-items:center;gap:9px;font-size:17px;font-weight:800;color:var(--text);letter-spacing:.01em;white-space:nowrap;}
  .brand::before{content:"";width:9px;height:9px;border-radius:3px;background:linear-gradient(135deg,var(--primary),var(--accent));box-shadow:0 0 12px rgba(52,225,214,.65);}

  .nav-link{position:relative;display:inline-flex;align-items:center;height:64px;padding:0 14px;font-size:14px;color:var(--muted);transition:color .2s var(--ease);}
  .nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:17px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--primary),rgba(255,77,141,.65));box-shadow:0 0 10px rgba(52,225,214,.7);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);}
  .nav-link:hover{color:var(--text);}
  .nav-link:hover::after{transform:scaleX(1);}
  .nav-link.is-active{color:var(--primary);}
  .nav-link.is-active::after{transform:scaleX(1);}

  .nav-pill{display:flex;align-items:center;height:40px;padding:0 10px 0 12px;border-radius:999px;background:var(--surface);border:1px solid var(--line);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);transition:border-color .2s var(--ease);}
  .nav-pill.is-open{border-color:var(--line-strong);}
  .search-toggle{background:none;border:0;color:var(--muted);cursor:pointer;font-size:14px;padding:6px 4px;}
  .search-toggle:hover{color:var(--primary);}
  .search-input{width:0;opacity:0;border:0;background:transparent;color:var(--text);font-size:13px;outline:none;transition:width .24s var(--ease),opacity .24s var(--ease);}
  .search-input::placeholder{color:var(--dim);}
  .nav-pill.is-open .search-input{width:148px;opacity:1;}

  .hamburger{display:none;flex-direction:column;justify-content:center;align-items:center;gap:4px;width:40px;height:40px;border-radius:10px;background:var(--surface);border:1px solid var(--line);cursor:pointer;padding:0;}
  .hamburger span{display:block;width:16px;height:2px;border-radius:2px;background:var(--muted);transition:background .2s var(--ease);}
  .hamburger:hover span{background:var(--primary);}

  /* ---------- 按钮 ---------- */
  .btn-primary,.btn-secondary,.btn-cta,.btn-ghost{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    font-size:15px;font-weight:700;cursor:pointer;border:0;
    transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  }
  .btn-primary{
    height:46px;padding:0 26px;border-radius:var(--radius-btn);
    color:#04121A;background:linear-gradient(135deg,#34E1D6,#12A99E);
    box-shadow:0 0 0 1px rgba(52,225,214,.45),0 10px 34px rgba(52,225,214,.28);
  }
  .btn-primary:hover{transform:translateY(-1px);box-shadow:0 0 0 1px rgba(52,225,214,.40),0 12px 38px rgba(255,77,141,.22);}
  .btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(52,225,214,.40),0 4px 14px rgba(52,225,214,.16);}
  .btn-sm{height:40px;padding:0 20px;font-size:14px;}

  .btn-secondary{
    height:46px;padding:0 24px;border-radius:var(--radius-btn);
    background:transparent;color:var(--primary);
    box-shadow:inset 0 0 0 1px var(--line-strong);
  }
  .btn-secondary:hover{background:rgba(52,225,214,.08);box-shadow:inset 0 0 0 1px rgba(52,225,214,.7);transform:translateY(-1px);}
  .btn-secondary:active{transform:translateY(1px);}

  .btn-cta{
    height:48px;padding:0 28px;border-radius:var(--radius-btn);
    color:#04121A;background:linear-gradient(135deg,#34E1D6,#12A99E);
    box-shadow:0 0 0 1px rgba(52,225,214,.5),inset 0 0 0 1px rgba(255,77,141,.55),0 12px 34px rgba(52,225,214,.26);
  }
  .btn-cta:hover{transform:translateY(-1px);box-shadow:0 0 0 1px rgba(52,225,214,.6),inset 0 0 0 1px rgba(255,77,141,.9),0 14px 40px rgba(255,77,141,.26);}
  .btn-cta:active{transform:translateY(1px);}

  .btn-ghost{background:none;border:0;padding:0;color:var(--text);font-size:14px;font-weight:600;height:auto;}
  .btn-ghost i{transition:transform .2s var(--ease);color:var(--primary);}
  .btn-ghost:hover{color:var(--primary);}
  .btn-ghost:hover i{transform:translateX(3px);}

  /* ---------- 玻璃卡 ---------- */
  .glass-card{
    position:relative;border-radius:var(--radius-card);
    background-image:linear-gradient(var(--surface),var(--surface)),linear-gradient(135deg,rgba(52,225,214,.30),rgba(255,77,141,.16));
    background-origin:border-box;background-clip:padding-box,border-box;
    border:1px solid transparent;
    -webkit-backdrop-filter:blur(14px) saturate(140%);
    backdrop-filter:blur(14px) saturate(140%);
    transition:transform .22s var(--ease),box-shadow .22s var(--ease);
  }
  .glass-card::after{
    content:"";position:absolute;left:9px;top:9px;width:12px;height:12px;
    border-left:1px solid var(--line-strong);border-top:1px solid var(--line-strong);
    border-top-left-radius:4px;opacity:.75;pointer-events:none;
  }

  /* ---------- Hero ---------- */
  .hero{position:relative;padding-top:156px;padding-bottom:80px;}
  .hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
  .badge{display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;font-size:12px;letter-spacing:.04em;color:var(--primary);background:rgba(52,225,214,.12);border:1px solid rgba(52,225,214,.28);}
  .badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 8px var(--primary);}
  h1{font-size:clamp(30px,4.6vw,54px);font-weight:800;line-height:1.16;letter-spacing:-.01em;margin-top:20px;}
  .hero-sub{margin-top:18px;font-size:17px;line-height:1.8;color:var(--muted);max-width:34ch;}
  .hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
  .hero-trust{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:26px;font-size:13px;color:var(--muted);}
  .hero-trust li{display:inline-flex;align-items:center;gap:14px;}
  .hero-trust li+li::before{content:"";width:1px;height:12px;background:var(--line);display:inline-block;}
  .hero-visual{position:relative;}
  .hero-visual img{
    width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:18px;
    border:1px solid var(--line);
  }
  .hero-visual::after{
    content:"";position:absolute;inset:0;border-radius:18px;pointer-events:none;
    background:linear-gradient(90deg,var(--bg) 0%,rgba(5,7,15,0) 46%);
  }
  .float-card{
    position:absolute;z-index:2;padding:12px 16px;border-radius:12px;font-size:12px;color:var(--muted);
    background:rgba(10,17,34,.78);border:1px solid var(--line-strong);
    -webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);
    box-shadow:0 10px 30px rgba(0,0,0,.35);
  }
  .float-card strong{display:block;font-size:20px;font-weight:800;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1.3;}
  .float-card-a{left:-20px;bottom:30px;}
  .float-card-b{right:-16px;top:26px;}

  /* ---------- 锚点条 ---------- */
  .anchor-bar{padding:22px 0;background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
  .anchor-pills{display:flex;flex-wrap:wrap;gap:12px;}
  .pill{
    display:inline-flex;align-items:center;gap:8px;height:36px;padding:0 18px;border-radius:999px;
    font-size:13px;color:var(--muted);background:var(--surface);border:1px solid var(--line);
    transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
  }
  .pill:hover{color:var(--primary);border-color:var(--line-strong);background:rgba(52,225,214,.08);transform:translateY(-2px);}

  /* ---------- 通用板块 ---------- */
  .section{padding:88px 0;}
  .section-alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
  .sec-head{max-width:640px;margin-bottom:44px;}
  .sec-head h2{font-size:clamp(22px,2.8vw,34px);font-weight:700;line-height:1.3;}
  .sec-head p{margin-top:14px;color:var(--muted);font-size:15px;}
  .kicker{display:inline-block;font-size:12px;letter-spacing:.08em;color:var(--primary);margin-bottom:12px;}

  /* ---------- 分栏 ---------- */
  .split{display:grid;grid-template-columns:28% 1fr;gap:44px;align-items:start;}
  .split-side{position:sticky;top:96px;}
  .split-side .side-kicker{font-size:12px;letter-spacing:.08em;color:var(--primary);}
  .split-side h2{margin-top:10px;font-size:22px;font-weight:700;line-height:1.4;}
  .side-img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:12px;border:1px solid var(--line);margin-top:20px;}
  .side-text{margin-top:16px;font-size:14px;color:var(--muted);max-width:32ch;}
  .side-link{margin-top:18px;}

  .split-main{display:flex;flex-direction:column;gap:56px;}
  .media-row{display:grid;grid-template-columns:44% 1fr;gap:32px;align-items:center;}
  .media-row.reverse .media-fig{order:2;}
  .media-fig{margin:0;}
  .media-fig img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:12px;border:1px solid var(--line);}
  .media-body h3{font-size:20px;font-weight:700;line-height:1.45;margin-top:12px;max-width:24ch;}
  .media-body p{margin-top:14px;color:var(--muted);font-size:15px;max-width:44ch;}
  .tag{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;font-size:12px;letter-spacing:.04em;color:var(--primary);background:rgba(52,225,214,.12);}
  .dot-list{margin-top:18px;display:flex;flex-direction:column;gap:10px;}
  .dot-list li{position:relative;padding-left:18px;font-size:14px;color:var(--muted);line-height:1.7;}
  .dot-list li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:2px;background:var(--primary);}

  /* ---------- 清单 ---------- */
  .check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
  .check-card{padding:28px 26px 26px;}
  .check-card:nth-child(2),.check-card:nth-child(4){transform:translateY(24px);}
  .check-card:hover{transform:translateY(-4px);}
  .check-card:nth-child(2):hover,.check-card:nth-child(4):hover{transform:translateY(20px);}
  .check-num{font-size:34px;font-weight:800;line-height:1;color:transparent;-webkit-text-stroke:1px rgba(147,164,191,.45);font-variant-numeric:tabular-nums;}
  .check-card h3{margin-top:14px;font-size:17px;font-weight:600;}
  .check-card p{margin-top:10px;font-size:14px;color:var(--muted);max-width:40ch;}

  /* ---------- FAQ ---------- */
  .faq-list{max-width:860px;display:flex;flex-direction:column;gap:14px;}
  .faq-item{padding:4px 22px;}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
    padding:20px 0;background:none;border:0;color:var(--text);text-align:left;
    font-size:17px;font-weight:600;cursor:pointer;
  }
  .faq-q:hover{color:var(--primary);}
  .faq-icon{position:relative;flex:0 0 24px;width:24px;height:24px;border-radius:50%;border:1px solid var(--line-strong);transition:transform .22s var(--ease),border-color .22s var(--ease);}
  .faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--primary);border-radius:2px;transform:translate(-50%,-50%);}
  .faq-icon::before{width:10px;height:1.5px;}
  .faq-icon::after{width:1.5px;height:10px;transition:opacity .22s var(--ease);}
  .faq-item.is-open .faq-icon{transform:rotate(180deg);border-color:var(--primary);}
  .faq-item.is-open .faq-icon::after{opacity:0;}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
  .faq-item.is-open .faq-a{max-height:340px;}
  .faq-a p{padding-bottom:22px;font-size:15px;line-height:1.9;color:var(--muted);max-width:56ch;}

  /* ---------- CTA 面板 ---------- */
  .cta-panel{display:grid;grid-template-columns:1.25fr 1fr;gap:40px;padding:44px 42px;align-items:center;}
  .cta-copy h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.35;max-width:20ch;}
  .cta-copy ul{margin-top:22px;display:flex;flex-direction:column;gap:10px;}
  .cta-copy li{position:relative;padding-left:18px;font-size:14px;color:var(--muted);}
  .cta-copy li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:2px;background:var(--accent);}
  .cta-side{display:flex;flex-direction:column;gap:14px;align-items:flex-start;}
  .cta-side p{font-size:13px;color:var(--dim);max-width:30ch;}

  /* ---------- 隐私说明带 ---------- */
  .privacy-band{background:var(--bg-3);border-top:1px solid var(--line);padding:28px 0;}
  .privacy-inner{display:grid;grid-template-columns:220px 1fr;gap:28px;align-items:start;}
  .privacy-inner h3{font-size:16px;font-weight:700;}
  .privacy-inner p{font-size:13px;color:var(--muted);max-width:70ch;}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--bg-3);border-top:1px solid var(--line);padding:64px 0 26px;}
  .footer-title{font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--text);margin-bottom:14px;}
  .footer-link{display:block;font-size:14px;color:var(--muted);padding:5px 0;transition:color .2s var(--ease),transform .2s var(--ease);}
  .footer-link:hover{color:var(--primary);transform:translateX(3px);}
  .social-dot{
    display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;
    font-size:13px;color:var(--muted);background:var(--surface);border:1px solid var(--line);
    transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
  }
  .social-dot:hover{color:var(--primary);border-color:var(--line-strong);transform:translateY(-2px);}
  .footer-bottom{
    margin-top:48px;padding-top:20px;border-top:1px solid var(--line);
    display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;
    font-size:12px;color:var(--dim);
  }

  /* ---------- 抽屉 ---------- */
  .drawer{
    position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:340px;z-index:80;
    display:flex;flex-direction:column;padding:20px;
    background:rgba(10,17,34,.96);border-left:1px solid var(--line);
    -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
    transform:translateX(100%);transition:transform .28s var(--ease);
  }
  .drawer.is-open{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
  .drawer-close{width:32px;height:32px;border-radius:8px;background:var(--surface);border:1px solid var(--line);color:var(--muted);font-size:18px;line-height:1;cursor:pointer;}
  .drawer-close:hover{color:var(--primary);border-color:var(--line-strong);}
  .drawer-nav{display:flex;flex-direction:column;gap:4px;}
  .drawer-link{display:flex;align-items:center;height:48px;padding:0 14px;border-radius:10px;font-size:15px;color:var(--muted);}
  .drawer-link:hover{color:var(--text);background:rgba(255,255,255,.04);}
  .drawer-link.is-active{color:var(--primary);background:rgba(52,225,214,.08);}
  .drawer-cta{margin-top:auto;width:100%;}
  .drawer-mask{position:fixed;inset:0;z-index:70;background:rgba(5,7,15,.72);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);opacity:0;pointer-events:none;transition:opacity .24s var(--ease);}
  .drawer-mask.is-open{opacity:1;pointer-events:auto;}

  /* ---------- 模态 ---------- */
  .modal{
    position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;padding:20px;
    background:rgba(5,7,15,.72);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
    opacity:0;visibility:hidden;transition:opacity .22s var(--ease),visibility .22s var(--ease);
  }
  .modal.is-open{opacity:1;visibility:visible;}
  .modal-panel{width:560px;max-width:100%;max-height:88vh;overflow:auto;padding:30px;border-radius:16px;}
  .modal-close{position:absolute;right:16px;top:16px;width:32px;height:32px;border-radius:8px;background:transparent;border:1px solid var(--line);color:var(--muted);font-size:18px;line-height:1;cursor:pointer;}
  .modal-close:hover{color:var(--primary);border-color:var(--line-strong);}
  .modal-panel h2{font-size:22px;font-weight:700;margin-top:12px;line-height:1.4;}
  .modal-panel .modal-note{margin-top:10px;font-size:14px;color:var(--muted);}
  .form-grid{margin-top:22px;display:flex;flex-direction:column;gap:14px;}
  .field{
    width:100%;height:48px;padding:0 14px;border-radius:10px;font-size:15px;color:var(--text);
    background:rgba(5,7,15,.6);border:1px solid var(--line);outline:none;
    transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  }
  .field::placeholder{color:var(--dim);}
  .field:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(52,225,214,.18);}
  textarea.field{height:auto;min-height:96px;padding:12px 14px;line-height:1.7;resize:vertical;}
  .field.is-error{border-color:var(--danger);}
  .field-msg{margin-top:6px;font-size:12px;color:var(--danger);}
  .check-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--muted);}
  .check-row input{margin-top:4px;width:16px;height:16px;accent-color:#34E1D6;}
  .submit-btn{width:100%;}
  .form-privacy{margin-top:12px;font-size:12px;color:var(--dim);}
  .is-loading{opacity:.65;pointer-events:none;}

  /* ---------- 响应式 ---------- */
  @media (max-width:1023px){
    .container-x{padding:0 24px;}
    .nav-pill{display:none;}
    .hamburger{display:flex;}
    .hero{padding-top:120px;padding-bottom:56px;}
    .hero-grid{grid-template-columns:1fr;gap:36px;}
    .hero-visual{order:2;}
    .hero-visual::after{display:none;}
    .split{grid-template-columns:1fr;gap:36px;}
    .split-side{position:static;}
    .media-row{grid-template-columns:1fr;gap:20px;}
    .media-row.reverse .media-fig{order:0;}
    .check-grid{grid-template-columns:1fr;gap:18px;}
    .check-card:nth-child(2),.check-card:nth-child(4){transform:none;}
    .check-card:nth-child(2):hover,.check-card:nth-child(4):hover{transform:translateY(-4px);}
    .cta-panel{grid-template-columns:1fr;gap:26px;padding:34px 28px;}
    .cta-side{align-items:stretch;}
    .cta-side .btn-cta{width:100%;}
    .privacy-inner{grid-template-columns:1fr;gap:12px;}
    .section{padding:64px 0;}
  }
  @media (max-width:640px){
    .container-x{padding:0 20px;}
    body{font-size:15px;}
    .hero{padding-top:104px;}
    .hero-cta .btn-primary,.hero-cta .btn-secondary{flex:1 1 auto;}
    .float-card-a{left:8px;bottom:8px;}
    .float-card-b{right:8px;top:8px;}
    .float-card{padding:10px 12px;}
    .float-card strong{font-size:17px;}
    .section{padding:52px 0;}
    .header-cta{display:none;}
    .faq-item{padding:2px 16px;}
    .faq-q{font-size:16px;padding:18px 0;}
    .footer-bottom{flex-direction:column;}
    .modal{padding:12px;}
    .modal-panel{width:92vw;padding:24px 20px;}
  }
  @media (prefers-reduced-motion:reduce){
    *{transition-duration:.001ms !important;animation-duration:.001ms !important;}
    html{scroll-behavior:auto;}
    .glass-card:hover,.check-card:hover,.pill:hover,.btn-primary:hover,.btn-secondary:hover,.btn-cta:hover{transform:none;}
  }

/* roulang page: category2 */
:root{
  --bg:#05070F;
  --bg-2:#0A1122;
  --bg-3:#0E1730;
  --surface:rgba(255,255,255,0.045);
  --surface-2:rgba(255,255,255,0.075);
  --line:rgba(147,164,191,0.18);
  --line-strong:rgba(52,225,214,0.35);
  --primary:#34E1D6;
  --primary-deep:#12A99E;
  --accent:#FF4D8D;
  --warn:#FFC24B;
  --text:#E6EDF7;
  --muted:#93A4BF;
  --dim:#5F7291;
  --success:#3DDC97;
  --danger:#FF6B6B;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow-card:0 10px 30px rgba(0,0,0,0.35);
  --radius-card:14px;
  --radius-btn:10px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none;}
img{display:block;max-width:100%;height:auto;}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
::selection{background:rgba(52,225,214,.28);}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:var(--bg-2);}
::-webkit-scrollbar-thumb{background:rgba(147,164,191,.28);border-radius:999px;border:2px solid var(--bg-2);}
::-webkit-scrollbar-thumb:hover{background:rgba(52,225,214,.45);}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:88px 0;}
.section-alt{background:var(--bg-2);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px;}
.h1{
  font-size:clamp(30px,4.6vw,54px);
  font-weight:800;
  line-height:1.16;
  letter-spacing:-0.01em;
}
.h2{
  font-size:clamp(22px,2.8vw,34px);
  font-weight:700;
  line-height:1.3;
  letter-spacing:-0.005em;
}
.h3{font-size:20px;font-weight:700;line-height:1.4;}
.card-title{font-size:17px;font-weight:600;line-height:1.5;}
.lead{font-size:16px;color:var(--muted);line-height:1.9;}
.small{font-size:14px;color:var(--muted);}
.tiny{font-size:13px;color:var(--dim);letter-spacing:.04em;}
.prose-narrow{max-width:46ch;}
.text-primary-c{color:var(--primary);}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:70;
  height:64px;
  background:rgba(5,7,15,.55);
  backdrop-filter:blur(12px) saturate(140%);
  border-bottom:1px solid transparent;
  transition:background .24s var(--ease),border-color .24s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(5,7,15,.92);
  border-bottom-color:var(--line);
}
.header-inner{height:64px;display:flex;align-items:center;justify-content:space-between;gap:20px;}
.header-left{display:flex;align-items:center;gap:28px;min-width:0;}
.brand{
  font-size:18px;font-weight:800;letter-spacing:.01em;
  color:var(--text);white-space:nowrap;
  display:inline-flex;align-items:center;gap:8px;
}
.brand::before{
  content:'';width:8px;height:8px;border-radius:2px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  box-shadow:0 0 12px rgba(52,225,214,.75);
}
.nav-link{
  position:relative;padding:6px 12px;font-size:14px;color:var(--muted);
  border-radius:8px;transition:color .2s var(--ease);white-space:nowrap;
}
.nav-link:hover{color:var(--text);}
.nav-link.is-active{color:var(--primary);}
.nav-link.is-active::after{
  content:'';position:absolute;left:12px;right:12px;bottom:-4px;height:2px;
  background:var(--primary);border-radius:2px;
  box-shadow:0 0 10px rgba(52,225,214,.8);
}
.header-right{display:flex;align-items:center;gap:12px;}
.glass-pill{
  display:flex;align-items:center;gap:6px;
  height:40px;padding:0 8px;border-radius:999px;
  border:1px solid transparent;
  background:
    linear-gradient(rgba(255,255,255,.045),rgba(255,255,255,.045)) padding-box,
    linear-gradient(135deg,rgba(52,225,214,.30),rgba(255,77,141,.16)) border-box;
  backdrop-filter:blur(14px) saturate(140%);
}
.search-pill{padding-left:6px;}
.search-btn{
  width:32px;height:32px;border-radius:50%;border:0;background:transparent;
  color:var(--muted);cursor:pointer;display:grid;place-items:center;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.search-btn:hover{color:var(--primary);background:rgba(52,225,214,.10);}
.search-input{
  width:0;opacity:0;border:0;background:transparent;
  font-size:14px;color:var(--text);
  transition:width .24s var(--ease),opacity .24s var(--ease);
}
.search-input::placeholder{color:var(--dim);}
.search-pill:focus-within .search-input{width:170px;opacity:1;}
.hamburger{
  width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface);color:var(--text);cursor:pointer;
  display:grid;place-items:center;font-size:16px;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.hamburger:hover{border-color:var(--line-strong);color:var(--primary);}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(5,7,15,.68);backdrop-filter:blur(4px);
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s;z-index:88;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:360px;z-index:89;
  background:var(--bg-2);border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform .28s var(--ease);
  display:flex;flex-direction:column;padding:22px 20px;
}
.nav-drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);
  background:transparent;color:var(--muted);cursor:pointer;display:grid;place-items:center;
}
.drawer-close:hover{color:var(--primary);border-color:var(--line-strong);}
.drawer-link{
  display:flex;align-items:center;height:48px;padding:0 12px;border-radius:10px;
  font-size:15px;color:var(--muted);border-bottom:1px solid rgba(147,164,191,.10);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.drawer-link:hover{color:var(--text);background:rgba(255,255,255,.04);}
.drawer-link.is-active{color:var(--primary);}
.drawer-foot{margin-top:auto;padding-top:18px;}

/* ============ 按钮 ============ */
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border:0;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;color:#04121A;cursor:pointer;
  background:linear-gradient(135deg,#34E1D6,#12A99E);
  box-shadow:0 0 0 1px rgba(52,225,214,.45),0 10px 34px rgba(52,225,214,.28);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),filter .2s var(--ease);
}
.btn-primary:hover{
  transform:translateY(-1px);
  box-shadow:0 0 0 1px rgba(52,225,214,.40),0 12px 38px rgba(255,77,141,.22);
}
.btn-primary:active{
  transform:translateY(1px);
  box-shadow:0 0 0 1px rgba(52,225,214,.30),0 4px 14px rgba(52,225,214,.18);
}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--radius-btn);
  border:1px solid var(--line-strong);background:transparent;
  color:var(--primary);font-size:15px;font-weight:600;cursor:pointer;
  transition:background .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
}
.btn-ghost:hover{background:rgba(52,225,214,.08);border-color:var(--primary);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;color:#04121A;cursor:pointer;border:0;
  background:linear-gradient(135deg,#34E1D6,#12A99E);
  box-shadow:0 0 0 1px rgba(52,225,214,.5),inset 0 0 0 1px rgba(255,77,141,.35),0 12px 32px rgba(255,77,141,.20);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-accent:hover{transform:translateY(-1px);box-shadow:0 0 0 1px rgba(52,225,214,.5),inset 0 0 0 1px rgba(255,77,141,.6),0 14px 36px rgba(255,77,141,.30);}
.btn-accent:active{transform:translateY(1px);}
.ghost-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--primary);
  transition:color .2s var(--ease);
}
.ghost-link i{transition:transform .2s var(--ease);}
.ghost-link:hover i{transform:translateX(3px);}
.link-dot{
  color:var(--primary);
  border-bottom:1px dotted rgba(52,225,214,.6);
  transition:border-color .2s var(--ease);
}
.link-dot:hover{border-bottom-style:solid;}

/* ============ 标签 ============ */
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;
  font-size:12.5px;letter-spacing:.04em;
  color:var(--primary);background:rgba(52,225,214,.12);
  border:1px solid rgba(52,225,214,.22);
  white-space:nowrap;
}
.tag-plain{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:999px;font-size:12.5px;
  color:var(--muted);background:rgba(255,255,255,.05);
  border:1px solid var(--line);white-space:nowrap;
}
.time-dot{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;color:var(--dim);letter-spacing:.04em;
}
.time-dot::before{content:'';width:4px;height:4px;border-radius:50%;background:var(--dim);}

/* ============ 玻璃卡 ============ */
.glass-card{
  position:relative;
  border:1px solid transparent;
  border-radius:var(--radius-card);
  background:
    linear-gradient(rgba(255,255,255,.045),rgba(255,255,255,.045)) padding-box,
    linear-gradient(135deg,rgba(52,225,214,.30),rgba(255,77,141,.16)) border-box;
  backdrop-filter:blur(14px) saturate(140%);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.glass-card:hover{transform:translateY(-4px);}
.corner-cut::before{
  content:'';position:absolute;top:-1px;left:-1px;width:16px;height:16px;
  border-top:2px solid rgba(52,225,214,.55);
  border-left:2px solid rgba(52,225,214,.55);
  border-top-left-radius:var(--radius-card);
  pointer-events:none;
}
.corner-cut::after{
  content:'';position:absolute;bottom:-1px;right:-1px;width:16px;height:16px;
  border-bottom:2px solid rgba(255,77,141,.45);
  border-right:2px solid rgba(255,77,141,.45);
  border-bottom-right-radius:var(--radius-card);
  pointer-events:none;
}
.surface-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.surface-card:hover{transform:translateY(-4px);border-color:var(--line-strong);}

/* ============ 分类页 Hero（窄幅，居中） ============ */
.page-hero{
  position:relative;
  padding:150px 0 72px;
  background:var(--bg-2);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-hero::before{
  content:'';position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(147,164,191,.09) 1px,transparent 1px),
    linear-gradient(90deg,rgba(147,164,191,.09) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse 70% 80% at 50% 40%,#000 25%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse 70% 80% at 50% 40%,#000 25%,transparent 78%);
  pointer-events:none;
}
.page-hero::after{
  content:'';position:absolute;left:50%;top:-120px;transform:translateX(-50%);
  width:640px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(52,225,214,.16),transparent 68%);
  pointer-events:none;
}
.page-hero .container-x{position:relative;z-index:2;text-align:center;}
.page-hero .h1{max-width:22ch;margin:20px auto 0;}
.page-hero .lead{max-width:52ch;margin:18px auto 0;}
.hero-meta{
  display:flex;justify-content:center;align-items:center;gap:14px;
  flex-wrap:wrap;margin-top:26px;
  font-size:13px;color:var(--muted);
}
.hero-meta span{display:inline-flex;align-items:center;gap:6px;}
.hero-meta .divider{width:1px;height:12px;background:var(--line);display:inline-block;}

/* ============ 索引列表 ============ */
.index-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px 24px;
}
.idx-item{
  position:relative;
  display:flex;gap:16px;
  padding:16px;
  border-radius:var(--radius-card);
  background:var(--surface);
  border:1px solid var(--line);
  transition:background .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.idx-item::before{
  content:'';position:absolute;left:-1px;top:18px;bottom:18px;width:2px;
  border-radius:2px;background:var(--primary);
  opacity:0;transition:opacity .22s var(--ease);
}
.idx-item:hover{background:rgba(255,255,255,.03);border-color:var(--line-strong);transform:translateY(-3px);}
.idx-item:hover::before{opacity:1;}
.idx-thumb{
  flex:0 0 96px;width:96px;height:72px;border-radius:10px;overflow:hidden;
  border:1px solid var(--line);background:var(--bg-3);
}
.idx-thumb img{width:100%;height:100%;object-fit:cover;}
.idx-body{min-width:0;flex:1;display:flex;flex-direction:column;}
.idx-title{
  font-size:17px;font-weight:600;line-height:1.5;color:var(--text);
  display:inline-block;transition:color .2s var(--ease);
}
.idx-title:hover{color:var(--primary);}
.idx-sum{
  font-size:14px;color:var(--muted);line-height:1.8;margin-top:6px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.idx-meta{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  margin-top:auto;padding-top:12px;
}

/* ============ 其他分类胶囊 ============ */
.other-cats{
  margin-top:44px;padding-top:32px;border-top:1px solid var(--line);
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
}
.cat-chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:999px;font-size:14px;
  color:var(--muted);background:var(--surface);border:1px solid var(--line);
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.cat-chip:hover{color:var(--primary);border-color:var(--line-strong);background:rgba(52,225,214,.07);}

/* ============ 步骤路径 ============ */
.path-wrap{position:relative;padding-left:0;}
.path-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;
}
.path-card{
  position:relative;padding:28px 24px 26px;
  border-radius:var(--radius-card);
  background:var(--surface);
  border:1px solid var(--line);
  transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.path-card:hover{transform:translateY(-4px);border-color:var(--line-strong);}
.path-num{
  font-size:44px;font-weight:800;line-height:1;letter-spacing:-.03em;
  font-variant-numeric:tabular-nums;
  color:transparent;
  -webkit-text-stroke:1px rgba(52,225,214,.42);
  opacity:.9;
}
.path-bar{
  margin-top:16px;height:4px;border-radius:999px;
  background:linear-gradient(90deg,rgba(52,225,214,.75),rgba(255,77,141,.28));
  width:var(--w,60%);
}
.path-card h3{margin-top:18px;}
.path-card p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.85;}

/* ============ FAQ ============ */
.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq-item{
  border-radius:var(--radius-card);
  border:1px solid transparent;
  background:
    linear-gradient(rgba(255,255,255,.045),rgba(255,255,255,.045)) padding-box,
    linear-gradient(135deg,rgba(52,225,214,.28),rgba(255,77,141,.14)) border-box;
  backdrop-filter:blur(14px) saturate(140%);
  overflow:hidden;
  transition:box-shadow .22s var(--ease);
}
.faq-item.open{box-shadow:0 0 0 1px rgba(52,225,214,.18),0 10px 30px rgba(0,0,0,.32);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;border:0;background:transparent;text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--text);line-height:1.6;
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--primary);}
.faq-icon{
  position:relative;flex:0 0 24px;width:24px;height:24px;border-radius:50%;
  border:1px solid var(--line-strong);
  transition:border-color .22s var(--ease),background .22s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:'';position:absolute;left:50%;top:50%;background:var(--primary);border-radius:2px;
}
.faq-icon::before{width:11px;height:2px;transform:translate(-50%,-50%);}
.faq-icon::after{width:2px;height:11px;transform:translate(-50%,-50%);transition:transform .24s var(--ease),opacity .24s var(--ease);}
.faq-item.open .faq-icon{background:rgba(52,225,214,.10);}
.faq-item.open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .28s var(--ease);
}
.faq-a-inner{
  padding:0 22px 20px;font-size:15px;line-height:1.9;color:var(--muted);
  border-top:1px solid rgba(147,164,191,.12);
  padding-top:14px;
}

/* ============ CTA 面板 ============ */
.cta-panel{
  position:relative;
  display:grid;grid-template-columns:7fr 5fr;gap:40px;
  padding:44px 40px;border-radius:18px;
  border:1px solid transparent;
  background:
    linear-gradient(rgba(255,255,255,.05),rgba(255,255,255,.05)) padding-box,
    linear-gradient(135deg,rgba(52,225,214,.34),rgba(255,77,141,.20)) border-box;
  backdrop-filter:blur(14px) saturate(140%);
  overflow:hidden;
}
.cta-panel::after{
  content:'';position:absolute;right:-80px;bottom:-120px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,77,141,.16),transparent 70%);
  pointer-events:none;
}
.cta-points{margin-top:22px;display:flex;flex-direction:column;gap:12px;}
.cta-point{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--muted);}
.cta-point i{color:var(--primary);margin-top:5px;font-size:12px;}
.cta-side{
  display:flex;flex-direction:column;justify-content:center;gap:14px;
  position:relative;z-index:2;
}

/* ============ 隐私说明带 ============ */
.privacy-band{
  background:var(--bg-3);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:28px 0;
}
.privacy-inner{display:grid;grid-template-columns:200px 1fr;gap:28px;align-items:start;}
.privacy-inner h3{font-size:17px;font-weight:700;color:var(--text);}
.privacy-inner p{font-size:13px;color:var(--muted);line-height:1.9;}

/* ============ 模态 ============ */
.modal-mask{
  position:fixed;inset:0;z-index:96;
  display:none;align-items:center;justify-content:center;padding:20px;
  background:rgba(5,7,15,.72);backdrop-filter:blur(6px);
}
.modal-mask.open{display:flex;}
.modal-panel{
  position:relative;width:560px;max-width:92vw;max-height:88vh;overflow-y:auto;
  padding:30px 30px 26px;border-radius:16px;
  border:1px solid transparent;
  background:
    linear-gradient(#0B1120,#0B1120) padding-box,
    linear-gradient(135deg,rgba(52,225,214,.42),rgba(255,77,141,.26)) border-box;
  box-shadow:0 30px 70px rgba(0,0,0,.55);
  animation:modalIn .26s var(--ease);
}
@keyframes modalIn{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:translateY(0);}}
.modal-close{
  position:absolute;top:16px;right:16px;
  width:32px;height:32px;border-radius:10px;
  border:1px solid var(--line);background:transparent;color:var(--muted);
  cursor:pointer;display:grid;place-items:center;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.modal-close:hover{color:var(--primary);border-color:var(--line-strong);}
.modal-title{font-size:22px;font-weight:700;line-height:1.4;margin-top:16px;}
.modal-sub{font-size:14px;color:var(--muted);margin-top:8px;}
.field-label{display:block;font-size:13px;color:var(--muted);margin-bottom:7px;letter-spacing:.02em;}
.field{
  width:100%;height:48px;padding:0 14px;
  border-radius:var(--radius-btn);
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text);font-size:15px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field::placeholder{color:var(--dim);}
.field:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(52,225,214,.16);}
.field.is-error{border-color:var(--danger);}
textarea.field{height:auto;min-height:96px;padding:12px 14px;resize:vertical;line-height:1.7;}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--muted);line-height:1.7;}
.check-row input{
  appearance:none;-webkit-appearance:none;
  width:18px;height:18px;flex:0 0 18px;margin-top:4px;
  border-radius:5px;border:1px solid var(--line);background:rgba(255,255,255,.04);
  cursor:pointer;position:relative;transition:border-color .2s var(--ease),background .2s var(--ease);
}
.check-row input:checked{background:rgba(52,225,214,.22);border-color:var(--primary);}
.check-row input:checked::after{
  content:'';position:absolute;left:5px;top:1px;width:5px;height:10px;
  border-right:2px solid var(--primary);border-bottom:2px solid var(--primary);
  transform:rotate(40deg);
}
.form-note{font-size:12px;color:var(--dim);line-height:1.7;}
.err-text{font-size:12px;color:var(--danger);margin-top:6px;display:none;}
.err-text.show{display:block;}
.btn-loading{opacity:.65;pointer-events:none;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--bg-3);
  border-top:1px solid var(--line);
  padding:64px 0 0;
}
.footer-title{font-size:13px;letter-spacing:.08em;color:var(--dim);margin-bottom:16px;font-weight:600;}
.footer-link{
  display:block;font-size:14px;color:var(--muted);padding:5px 0;
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-link:hover{color:var(--primary);transform:translateX(3px);}
.social-dot{
  width:36px;height:36px;border-radius:50%;
  display:grid;place-items:center;font-size:13px;
  border:1px solid var(--line);color:var(--muted);
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.social-dot:hover{color:var(--primary);border-color:var(--line-strong);background:rgba(52,225,214,.08);}
.footer-bottom{
  margin-top:48px;padding:20px 0;
  border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:var(--dim);
}

/* 返回顶部 */
.to-top{
  position:fixed;right:22px;bottom:26px;z-index:60;
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line-strong);background:rgba(10,17,34,.86);
  color:var(--primary);cursor:pointer;display:grid;place-items:center;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:rgba(52,225,214,.12);}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .section{padding:64px 0;}
  .page-hero{padding:126px 0 60px;}
  .index-grid{grid-template-columns:1fr;}
  .path-grid{grid-template-columns:1fr;}
  .cta-panel{grid-template-columns:1fr;gap:28px;padding:34px 28px;}
  .privacy-inner{grid-template-columns:1fr;gap:14px;}
}
@media (max-width:640px){
  .container-x{padding:0 20px;}
  .section{padding:52px 0;}
  .page-hero{padding:110px 0 52px;}
  .header-left{gap:14px;}
  .brand{font-size:16px;}
  .glass-pill{display:none;}
  .idx-item{flex-direction:row;padding:14px;gap:14px;}
  .idx-thumb{flex:0 0 76px;width:76px;height:60px;}
  .idx-title{font-size:16px;}
  .idx-sum{font-size:13.5px;}
  .cta-panel{padding:26px 20px;border-radius:16px;}
  .btn-primary,.btn-ghost,.btn-accent{width:100%;}
  .cta-side .btn-accent{width:100%;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .to-top{right:16px;bottom:18px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
  .glass-card:hover,.surface-card:hover,.idx-item:hover,.path-card:hover{transform:none;}
}

/* roulang page: category3 */
:root{
  --bg:#05070F; --bg-2:#0A1122; --bg-3:#0E1730;
  --surface:rgba(255,255,255,0.045); --surface-2:rgba(255,255,255,0.075);
  --line:rgba(147,164,191,0.18); --line-strong:rgba(52,225,214,0.35);
  --primary:#34E1D6; --primary-deep:#12A99E; --accent:#FF4D8D; --warn:#FFC24B;
  --text:#E6EDF7; --muted:#93A4BF; --dim:#5F7291;
  --success:#3DDC97; --danger:#FF6B6B;
  --radius-card:14px; --radius-btn:10px; --radius-input:10px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0; background:var(--bg); color:var(--text);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px; line-height:1.85; -webkit-font-smoothing:antialiased;
}
img{display:block; max-width:100%;}
a{color:inherit; text-decoration:none; transition:color 200ms var(--ease), opacity 200ms var(--ease);}
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline:2px solid var(--primary); outline-offset:2px; border-radius:4px;
}
button{font:inherit; cursor:pointer;}
h1,h2,h3,h4{margin:0; letter-spacing:-0.01em;}
p{margin:0;}
ul{margin:0; padding:0; list-style:none;}

.container-x{width:100%; max-width:1200px; margin:0 auto; padding:0 32px;}
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.bg-a{background:var(--bg);}
.bg-b{background:var(--bg-2);}
.bg-c{background:var(--bg-3);}

.h1{font-size:clamp(30px,4.6vw,54px); font-weight:800; line-height:1.16; letter-spacing:-0.01em;}
.h2{font-size:clamp(22px,2.8vw,34px); font-weight:700; line-height:1.3;}
.h3{font-size:20px; font-weight:700; line-height:1.4;}
.card-title{font-size:17px; font-weight:600; line-height:1.5;}
.lead{color:var(--muted); font-size:16px; line-height:1.85; max-width:42ch;}
.small{font-size:14px; line-height:1.75; color:var(--muted);}
.tiny{font-size:12px; letter-spacing:.04em; color:var(--dim);}
.nums{font-variant-numeric:tabular-nums;}

/* ============ 导航 ============ */
.site-header{
  position:fixed; top:0; left:0; right:0; z-index:80;
  height:64px; display:flex; align-items:center;
  background:rgba(5,7,15,.55);
  backdrop-filter:blur(12px) saturate(140%);
  border-bottom:1px solid transparent;
  transition:background 220ms var(--ease), border-color 220ms var(--ease);
}
.site-header.is-scrolled{
  background:rgba(5,7,15,.92);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex; align-items:center; justify-content:space-between; width:100%; gap:18px;}
.brand{
  font-size:18px; font-weight:800; letter-spacing:-0.01em;
  color:var(--text); display:inline-flex; align-items:center; gap:9px; white-space:nowrap;
}
.brand::before{
  content:""; width:10px; height:10px; border-radius:3px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  box-shadow:0 0 12px rgba(52,225,214,.55);
}
.nav-link{
  position:relative; font-size:14px; color:var(--muted); padding:8px 2px;
  transition:color 200ms var(--ease);
}
.nav-link::after{
  content:""; position:absolute; left:0; right:0; bottom:0; height:2px;
  background:var(--primary); box-shadow:0 0 8px rgba(52,225,214,.7);
  opacity:0; transform:scaleX(.4); transition:opacity 200ms var(--ease), transform 200ms var(--ease);
}
.nav-link:hover{color:var(--text);}
.nav-link:hover::after{opacity:.45; transform:scaleX(1);}
.nav-link.is-active{color:var(--primary);}
.nav-link.is-active::after{opacity:1; transform:scaleX(1);}
.nav-actions{
  display:flex; align-items:center; gap:10px;
  background:var(--surface); border:1px solid var(--line);
  border-radius:999px; padding:5px 6px 5px 14px;
  backdrop-filter:blur(10px) saturate(140%);
}
.nav-search{
  display:flex; align-items:center; gap:8px;
  background:transparent; border:none; color:var(--muted); font-size:13px;
  padding:6px 4px;
}
.nav-search:hover{color:var(--primary);}
.hamburger{
  display:none; width:42px; height:42px; border-radius:10px;
  background:var(--surface); border:1px solid var(--line); color:var(--text);
}
.drawer{
  position:fixed; top:0; right:0; bottom:0; width:82vw; max-width:360px; z-index:120;
  background:rgba(10,17,34,.97); backdrop-filter:blur(16px);
  border-left:1px solid var(--line);
  transform:translateX(100%); transition:transform 240ms var(--ease);
  display:flex; flex-direction:column; padding:22px 22px 26px;
}
.drawer.is-open{transform:translateX(0);}
.drawer-link{
  display:flex; align-items:center; height:48px; font-size:15px; color:var(--muted);
  border-bottom:1px solid var(--line);
}
.drawer-link.is-active{color:var(--primary);}
.drawer-mask{
  position:fixed; inset:0; z-index:110; background:rgba(5,7,15,.7);
  backdrop-filter:blur(4px); opacity:0; pointer-events:none; transition:opacity 220ms var(--ease);
}
.drawer-mask.is-open{opacity:1; pointer-events:auto;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  height:46px; padding:0 26px; border-radius:var(--radius-btn);
  font-size:15px; font-weight:700; border:1px solid transparent;
  transition:transform 200ms var(--ease), box-shadow 200ms var(--ease), background 200ms var(--ease), color 200ms var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(120deg,var(--primary),var(--primary-deep));
  color:#04121A;
  box-shadow:0 0 0 1px rgba(52,225,214,.45), 0 10px 34px rgba(52,225,214,.28);
}
.btn-primary:hover{
  transform:translateY(-1px);
  box-shadow:0 0 0 1px rgba(52,225,214,.40), 0 12px 34px rgba(255,77,141,.22);
}
.btn-primary:active{transform:translateY(1px); box-shadow:0 0 0 1px rgba(52,225,214,.25), 0 4px 14px rgba(52,225,214,.16);}
.btn-ghost{
  background:transparent; border:1px solid var(--line-strong); color:var(--primary);
}
.btn-ghost:hover{background:rgba(52,225,214,.08); border-color:var(--primary); transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-convert{
  background:linear-gradient(120deg,var(--primary),var(--primary-deep));
  color:#04121A; box-shadow:inset 0 0 0 1px rgba(255,77,141,.55), 0 10px 34px rgba(52,225,214,.24);
}
.btn-convert:hover{transform:translateY(-1px); box-shadow:inset 0 0 0 1px rgba(255,77,141,.7), 0 12px 36px rgba(255,77,141,.24);}
.btn-convert:active{transform:translateY(1px);}
.ghost-link{
  display:inline-flex; align-items:center; gap:8px; font-size:14px; font-weight:600; color:var(--text);
}
.ghost-link i{transition:transform 200ms var(--ease); color:var(--primary);}
.ghost-link:hover{color:var(--primary);}
.ghost-link:hover i{transform:translateX(3px);}

/* ============ 标签 / 徽章 ============ */
.tag{
  display:inline-flex; align-items:center; gap:6px;
  padding:4px 12px; border-radius:999px;
  background:rgba(52,225,214,.12); color:var(--primary);
  font-size:12px; letter-spacing:.04em; line-height:1.7;
}
.tag-accent{background:rgba(255,77,141,.14); color:#FF9FC2;}
.badge-pill{
  display:inline-flex; align-items:center; gap:8px;
  padding:6px 14px; border-radius:999px;
  background:var(--surface); border:1px solid var(--line-strong);
  font-size:13px; color:var(--primary); letter-spacing:.04em;
}
.dot-time{display:inline-flex; align-items:center; gap:6px; font-size:12px; color:var(--dim); letter-spacing:.04em;}
.dot-time::before{content:""; width:5px; height:5px; border-radius:50%; background:var(--dim);}

/* ============ 玻璃卡 ============ */
.glass-card{
  position:relative; border-radius:var(--radius-card); border:1px solid transparent;
  background-image:linear-gradient(rgba(255,255,255,.045),rgba(255,255,255,.045)),
                   linear-gradient(135deg, rgba(52,225,214,.30), rgba(255,77,141,.16));
  background-origin:border-box; background-clip:padding-box,border-box;
  backdrop-filter:blur(14px) saturate(140%);
  transition:transform 200ms var(--ease), background-image 200ms var(--ease);
}
.glass-card::before{
  content:""; position:absolute; top:0; left:0; width:20px; height:20px;
  border-top:1px solid var(--line-strong); border-left:1px solid var(--line-strong);
  border-top-left-radius:var(--radius-card); pointer-events:none;
}
.glass-card:hover{
  transform:translateY(-4px);
  background-image:linear-gradient(rgba(255,255,255,.06),rgba(255,255,255,.06)),
                   linear-gradient(135deg, rgba(52,225,214,.55), rgba(255,77,141,.30));
}
.solid-card{
  background:var(--bg-3); border:1px solid var(--line); border-radius:var(--radius-card);
  box-shadow:0 10px 30px rgba(0,0,0,.35);
  transition:transform 200ms var(--ease), border-color 200ms var(--ease);
}
.solid-card:hover{transform:translateY(-4px); border-color:var(--line-strong);}

/* ============ Hero ============ */
.hero{
  position:relative; padding:140px 0 76px; overflow:hidden;
  background:var(--bg);
}
.hero-bg{
  position:absolute; inset:0;
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover; background-position:center right;
  opacity:.30;
}
.hero-bg::after{
  content:""; position:absolute; inset:0;
  background:linear-gradient(90deg, rgba(5,7,15,.96) 0%, rgba(5,7,15,.82) 46%, rgba(5,7,15,.42) 100%);
}
.hero-grid{
  position:absolute; inset:0; opacity:.5;
  background-image:linear-gradient(rgba(147,164,191,.07) 1px, transparent 1px),
                   linear-gradient(90deg, rgba(147,164,191,.07) 1px, transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(circle at 70% 40%, rgba(0,0,0,.9), transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 70% 40%, rgba(0,0,0,.9), transparent 72%);
}
.hero-inner{position:relative; z-index:2;}
.hero-copy{max-width:640px;}
.hero-sub{color:var(--muted); font-size:17px; line-height:1.85; margin-top:18px; max-width:40ch;}
.anchor-row{display:flex; flex-wrap:wrap; gap:10px; margin-top:30px;}
.anchor-pill{
  display:inline-flex; align-items:center; gap:7px;
  padding:8px 16px; border-radius:999px; font-size:13px;
  background:var(--surface); border:1px solid var(--line); color:var(--muted);
  transition:color 200ms var(--ease), border-color 200ms var(--ease), background 200ms var(--ease);
}
.anchor-pill:hover{color:var(--primary); border-color:var(--line-strong); background:rgba(52,225,214,.08);}

/* ============ 数据条 ============ */
.stat-bar{
  background:var(--bg-3); border-top:1px solid var(--line); border-bottom:1px solid var(--line);
  padding:34px 0;
}
.stat-grid{display:grid; grid-template-columns:repeat(3,1fr);}
.stat-item{padding:0 26px; position:relative;}
.stat-item + .stat-item{border-left:1px solid var(--line);}
.stat-num{
  font-size:clamp(30px,3.6vw,44px); font-weight:800; line-height:1.1;
  color:var(--warn); font-variant-numeric:tabular-nums;
}
.stat-num.is-cyan{color:var(--primary);}
.stat-label{margin-top:12px; font-size:13px; color:var(--muted);}

/* ============ 交错网格 ============ */
.stagger-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:26px;}
.stagger-item{display:flex;}
.stagger-item .glass-card{width:100%; overflow:hidden;}
@media (min-width:1024px){
  .stagger-item:nth-child(2),
  .stagger-item:nth-child(4),
  .stagger-item:nth-child(6){transform:translateY(32px);}
}
.card-media{position:relative; aspect-ratio:16/9; overflow:hidden; border-bottom:1px solid var(--line);}
.card-media img{width:100%; height:100%; object-fit:cover;}
.card-media::after{
  content:""; position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(5,7,15,0) 40%, rgba(5,7,15,.72) 100%);
}
.card-body{padding:22px 22px 24px;}
.card-body p{margin-top:10px; color:var(--muted); font-size:15px; line-height:1.8;}
.card-foot{margin-top:16px;}

/* ============ 自查清单 ============ */
.check-list{display:grid; gap:14px;}
.check-item{
  display:flex; gap:14px; align-items:flex-start;
  padding:18px 20px; border-radius:var(--radius-card);
  background:var(--surface); border:1px solid var(--line);
  transition:border-color 200ms var(--ease), background 200ms var(--ease);
}
.check-item:hover{border-color:var(--line-strong); background:var(--surface-2);}
.check-icon{
  flex:0 0 30px; height:30px; border-radius:8px; display:flex; align-items:center; justify-content:center;
  background:rgba(52,225,214,.12); color:var(--primary); font-size:13px;
}
.check-title{font-size:16px; font-weight:600;}
.check-desc{font-size:14px; color:var(--muted); margin-top:4px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px; margin:0 auto;}
.faq-item{border-radius:var(--radius-card); margin-bottom:14px; overflow:hidden;}
.faq-q{
  width:100%; display:flex; align-items:center; justify-content:space-between; gap:16px;
  padding:20px 22px; background:transparent; border:none; color:var(--text);
  font-size:17px; font-weight:600; text-align:left;
}
.faq-sign{
  flex:0 0 24px; width:24px; height:24px; border-radius:50%;
  border:1px solid var(--line-strong); color:var(--primary);
  display:flex; align-items:center; justify-content:center; font-size:13px;
  transition:transform 220ms var(--ease), background 220ms var(--ease);
}
.faq-item.is-open .faq-sign{transform:rotate(45deg); background:rgba(52,225,214,.12);}
.faq-a{
  max-height:0; overflow:hidden; transition:max-height 260ms var(--ease);
}
.faq-a-inner{padding:0 22px 22px; font-size:15px; line-height:1.9; color:var(--muted);}

/* ============ CTA 面板 ============ */
.cta-panel{
  border-radius:18px; padding:40px;
  background-image:linear-gradient(rgba(255,255,255,.045),rgba(255,255,255,.045)),
                   linear-gradient(135deg, rgba(52,225,214,.30), rgba(255,77,141,.16));
  background-origin:border-box; background-clip:padding-box,border-box;
  border:1px solid transparent;
  backdrop-filter:blur(14px) saturate(140%);
}
.cta-points{display:grid; gap:10px; margin-top:20px;}
.cta-points li{display:flex; gap:10px; align-items:flex-start; color:var(--muted); font-size:15px;}
.cta-points i{color:var(--primary); margin-top:6px; font-size:12px;}

/* ============ 隐私带 ============ */
.privacy-band{background:var(--bg-3); border-top:1px solid var(--line); border-bottom:1px solid var(--line); padding:28px 0;}

/* ============ 模态 ============ */
.modal-mask{
  position:fixed; inset:0; z-index:200; display:flex; align-items:center; justify-content:center; padding:24px;
  background:rgba(5,7,15,.72); backdrop-filter:blur(6px);
  opacity:0; pointer-events:none; transition:opacity 220ms var(--ease);
}
.modal-mask.is-open{opacity:1; pointer-events:auto;}
.modal-panel{
  position:relative; width:560px; max-width:100%; max-height:90vh; overflow-y:auto;
  border-radius:16px; padding:30px 30px 26px;
  background-image:linear-gradient(rgba(12,20,38,.96),rgba(12,20,38,.96)),
                   linear-gradient(135deg, rgba(52,225,214,.35), rgba(255,77,141,.20));
  background-origin:border-box; background-clip:padding-box,border-box;
  border:1px solid transparent;
  transform:translateY(10px); transition:transform 240ms var(--ease);
}
.modal-mask.is-open .modal-panel{transform:translateY(0);}
.modal-close{
  position:absolute; top:16px; right:16px; width:32px; height:32px; border-radius:9px;
  background:var(--surface); border:1px solid var(--line); color:var(--muted);
}
.modal-close:hover{color:var(--text); border-color:var(--line-strong);}
.field{margin-top:16px;}
.field label{display:block; font-size:13px; color:var(--muted); margin-bottom:8px;}
.field input, .field textarea{
  width:100%; min-height:48px; padding:12px 14px; border-radius:var(--radius-input);
  background:rgba(5,7,15,.65); border:1px solid var(--line); color:var(--text);
  font-size:15px; font-family:inherit; transition:border-color 200ms var(--ease), box-shadow 200ms var(--ease);
}
.field textarea{min-height:96px; resize:vertical; line-height:1.7;}
.field input::placeholder, .field textarea::placeholder{color:var(--dim);}
.field input:focus, .field textarea:focus{
  outline:none; border-color:var(--primary); box-shadow:0 0 0 3px rgba(52,225,214,.16);
}
.check-row{display:flex; align-items:flex-start; gap:10px; margin-top:18px; font-size:13px; color:var(--muted);}
.check-row input{width:16px; height:16px; margin-top:4px; accent-color:var(--primary);}
.modal-note{margin-top:12px; font-size:12px; color:var(--dim); line-height:1.7;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--bg-3); border-top:1px solid var(--line); padding:64px 0 26px;
}
.footer-title{font-size:13px; letter-spacing:.08em; color:var(--dim); margin-bottom:16px;}
.footer-link{
  display:block; font-size:14px; color:var(--muted); padding:5px 0;
}
.footer-link:hover{color:var(--primary);}
.social-dot{
  width:36px; height:36px; border-radius:50%; display:flex; align-items:center; justify-content:center;
  background:var(--surface); border:1px solid var(--line); color:var(--muted); font-size:13px;
  transition:color 200ms var(--ease), border-color 200ms var(--ease), transform 200ms var(--ease);
}
.social-dot:hover{color:var(--primary); border-color:var(--line-strong); transform:translateY(-2px);}
.footer-bottom{
  margin-top:48px; padding-top:22px; border-top:1px solid var(--line);
  display:flex; flex-wrap:wrap; gap:10px; justify-content:space-between;
  font-size:12px; color:var(--dim);
}

@media (prefers-reduced-motion: reduce){
  *{transition:none !important; animation:none !important;}
  .glass-card:hover, .solid-card:hover, .btn:hover{transform:none !important;}
}

@media (max-width:1023px){
  .container-x{padding:0 24px;}
  .section{padding:64px 0;}
  .hero{padding:120px 0 60px;}
  .cta-panel{padding:30px;}
}
@media (max-width:767px){
  .container-x{padding:0 20px;}
  .section{padding:52px 0;}
  .section-tight{padding:44px 0;}
  .hero{padding:106px 0 52px;}
  .stat-grid{grid-template-columns:repeat(2,1fr); gap:22px 0;}
  .stat-item{padding:0 16px;}
  .stat-item + .stat-item{border-left:none;}
  .stat-item:nth-child(even){border-left:1px solid var(--line);}
  .stagger-grid{grid-template-columns:1fr;}
  .modal-mask{padding:16px;}
  .modal-panel{width:92vw; padding:26px 20px 22px;}
  .site-footer{padding:48px 0 22px;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category4 */
:root{
    --bg:#05070F;--bg-2:#0A1122;--bg-3:#0E1730;
    --surface:rgba(255,255,255,0.045);--surface-2:rgba(255,255,255,0.075);
    --line:rgba(147,164,191,0.18);--line-strong:rgba(52,225,214,0.35);
    --primary:#34E1D6;--primary-deep:#12A99E;--accent:#FF4D8D;--warn:#FFC24B;
    --text:#E6EDF7;--muted:#93A4BF;--dim:#5F7291;
    --success:#3DDC97;--danger:#FF6B6B;
    --radius-card:14px;--radius-btn:10px;
    --shadow-card:0 10px 30px rgba(0,0,0,.35);
    --ease:cubic-bezier(.22,.61,.36,1);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;padding:0;background:var(--bg);color:var(--text);
    font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
    font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  img{max-width:100%;display:block;border-style:none;}
  a{color:inherit;text-decoration:none;}
  button,input,textarea{font:inherit;color:inherit;}
  p{margin:0;}
  h1,h2,h3,h4{margin:0;}
  ul{margin:0;padding:0;list-style:none;}
  :focus-visible{outline:2px solid var(--primary);outline-offset:2px;}

  .container-x{max-width:1200px;margin:0 auto;padding-left:32px;padding-right:32px;width:100%;}
  @media (max-width:640px){.container-x{padding-left:20px;padding-right:20px;}}

  /* ---------- header ---------- */
  .site-header{
    position:fixed;top:0;left:0;right:0;z-index:60;height:64px;
    background:rgba(5,7,15,.55);
    -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
    transition:background .24s var(--ease),border-color .24s var(--ease);
    border-bottom:1px solid transparent;
  }
  .site-header.scrolled{background:rgba(5,7,15,.92);border-bottom-color:var(--line);}
  .header-inner{height:64px;display:flex;align-items:center;justify-content:space-between;gap:16px;}
  .brand{font-size:19px;font-weight:800;letter-spacing:.01em;color:var(--text);white-space:nowrap;}
  .brand:hover{color:var(--primary);}
  .nav-link{
    position:relative;height:64px;display:inline-flex;align-items:center;
    padding:0 13px;font-size:15px;color:var(--muted);transition:color .2s var(--ease);
  }
  .nav-link:hover{color:var(--text);}
  .nav-link.is-active{color:var(--primary);}
  .nav-link::after{
    content:'';position:absolute;left:13px;right:13px;bottom:16px;height:2px;border-radius:2px;
    background:var(--primary);box-shadow:0 0 12px rgba(52,225,214,.75);
    opacity:0;transform:scaleX(.35);transition:opacity .2s var(--ease),transform .2s var(--ease);
  }
  .nav-link:hover::after{opacity:.45;transform:scaleX(1);}
  .nav-link.is-active::after{opacity:1;transform:scaleX(1);}
  .header-right{display:flex;align-items:center;gap:12px;}
  .search-pill{
    display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;border-radius:999px;
    border:1px solid var(--line);background:rgba(255,255,255,.05);
    -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  }
  .search-pill svg{flex:0 0 auto;opacity:.75;}
  .search-pill input{
    width:104px;background:transparent;border:0;outline:none;font-size:14px;color:var(--text);
    transition:width .22s var(--ease);
  }
  .search-pill input:focus{width:164px;}
  .search-pill input::placeholder{color:var(--dim);}
  .hamburger{
    width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
    background:rgba(255,255,255,.05);display:inline-flex;align-items:center;justify-content:center;
    cursor:pointer;transition:border-color .2s var(--ease),background .2s var(--ease);
  }
  .hamburger:hover{border-color:var(--line-strong);}
  .hamburger i{display:block;width:18px;height:2px;background:var(--text);position:relative;border-radius:2px;}
  .hamburger i::before,.hamburger i::after{content:'';position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--text);}
  .hamburger i::before{top:-6px;}
  .hamburger i::after{top:6px;}

  .mobile-drawer{
    position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:340px;z-index:80;
    background:var(--bg-2);border-left:1px solid var(--line);
    transform:translateX(105%);transition:transform .26s var(--ease);
    padding:20px;display:flex;flex-direction:column;
    overflow-y:auto;
  }
  .mobile-drawer.open{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
  .drawer-close{
    width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:rgba(255,255,255,.05);
    cursor:pointer;display:inline-flex;align-items:center;justify-content:center;font-size:16px;color:var(--muted);
  }
  .drawer-link{
    display:flex;align-items:center;height:48px;padding:0 12px;border-radius:10px;
    font-size:15px;color:var(--muted);border-bottom:1px solid var(--line);
    transition:color .2s var(--ease),background .2s var(--ease);
  }
  .drawer-link:hover{color:var(--text);background:rgba(255,255,255,.03);}
  .drawer-link.is-active{color:var(--primary);}
  .drawer-foot{margin-top:auto;padding-top:22px;}
  .drawer-mask{
    position:fixed;inset:0;z-index:70;background:rgba(5,7,15,.72);
    -webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);
    opacity:0;visibility:hidden;transition:opacity .22s var(--ease),visibility .22s var(--ease);
  }
  .drawer-mask.open{opacity:1;visibility:visible;}

  /* ---------- buttons ---------- */
  .btn-primary,.btn-secondary,.btn-convert,.btn-ghost{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:46px;padding:0 26px;border-radius:var(--radius-btn);
    font-weight:700;font-size:15px;cursor:pointer;border:1px solid transparent;
    transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
  }
  .btn-primary{
    color:#04121A;background:linear-gradient(135deg,var(--primary),var(--primary-deep));
    box-shadow:0 0 0 1px rgba(52,225,214,.45),0 10px 34px rgba(52,225,214,.28);
  }
  .btn-primary:hover{transform:translateY(-1px);box-shadow:0 0 0 1px rgba(52,225,214,.40),0 12px 34px rgba(255,77,141,.22);}
  .btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(52,225,214,.28),0 5px 16px rgba(52,225,214,.14);}
  .btn-secondary{
    color:var(--primary);background:transparent;border-color:var(--line-strong);
  }
  .btn-secondary:hover{background:rgba(52,225,214,.08);border-color:var(--primary);transform:translateY(-1px);}
  .btn-secondary:active{transform:translateY(1px);}
  .btn-convert{
    color:#04121A;background:linear-gradient(135deg,var(--primary),var(--primary-deep));
    box-shadow:inset 0 0 0 1px rgba(255,77,141,.55),0 10px 30px rgba(52,225,214,.24);
  }
  .btn-convert:hover{transform:translateY(-1px);box-shadow:inset 0 0 0 1px rgba(255,77,141,.85),0 12px 32px rgba(52,225,214,.3);}
  .btn-convert:active{transform:translateY(1px);}
  .btn-ghost{
    height:auto;padding:0;color:var(--muted);background:transparent;font-weight:600;
    box-shadow:none;
  }
  .btn-ghost .arrow{transition:transform .2s var(--ease);}
  .btn-ghost:hover{color:var(--primary);}
  .btn-ghost:hover .arrow{transform:translateX(3px);}
  .btn-block{width:100%;}

  /* ---------- tags ---------- */
  .tag-topic{
    display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:999px;
    background:rgba(52,225,214,.12);color:var(--primary);font-size:13px;letter-spacing:.04em;
  }
  .tag-soft{
    display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
    border:1px solid var(--line);color:var(--muted);font-size:12px;letter-spacing:.04em;
  }

  /* ---------- type ---------- */
  .h1-title{font-size:clamp(30px,4.6vw,54px);font-weight:800;line-height:1.16;letter-spacing:-.01em;}
  .h2-title{font-size:clamp(22px,2.8vw,34px);font-weight:700;line-height:1.3;}
  .h3-title{font-size:20px;font-weight:700;line-height:1.4;}
  .lead{font-size:17px;line-height:1.85;color:var(--muted);max-width:44ch;}
  .lead-sm{font-size:15px;line-height:1.85;color:var(--muted);max-width:54ch;}
  .trust-line{font-size:13px;color:var(--muted);letter-spacing:.02em;}
  .trust-line span{color:var(--dim);margin:0 10px;}

  /* ---------- sections ---------- */
  .section{padding:88px 0;}
  .section-alt{background:var(--bg-2);}
  @media (max-width:1023px){.section{padding:64px 0;}}
  @media (max-width:640px){.section{padding:52px 0;}}

  /* ---------- glass ---------- */
  .glass-card{
    position:relative;background:var(--surface);border-radius:var(--radius-card);
    -webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);
    transition:transform .22s var(--ease),background .22s var(--ease);
  }
  .glass-card::before{
    content:'';position:absolute;inset:0;border-radius:inherit;padding:1px;pointer-events:none;
    background:linear-gradient(135deg,rgba(52,225,214,.30),rgba(255,77,141,.16));
    -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
    -webkit-mask-composite:xor;mask-composite:exclude;
  }
  .glass-card.cut::after{
    content:'';position:absolute;top:0;left:0;width:16px;height:16px;pointer-events:none;
    background:linear-gradient(135deg,rgba(52,225,214,.55),rgba(52,225,214,0));
    clip-path:polygon(0 0,100% 0,0 100%);
    border-top-left-radius:var(--radius-card);
  }
  .glass-card:hover{transform:translateY(-4px);background:var(--surface-2);}

  /* ---------- hero ---------- */
  .hero-section{position:relative;overflow:hidden;background:var(--bg);}
  .hero-glow{
    position:absolute;top:-160px;right:-140px;width:620px;height:620px;border-radius:50%;
    background:radial-gradient(circle,rgba(52,225,214,.18),rgba(52,225,214,0) 68%);
    pointer-events:none;
  }
  .hero-visual{position:relative;}
  .hero-img{
    width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:18px;border:1px solid var(--line);
  }
  @media (min-width:1024px){
    .hero-visual::after{
      content:'';position:absolute;inset:0;border-radius:18px;pointer-events:none;
      background:linear-gradient(90deg,rgba(5,7,15,.72),rgba(5,7,15,0) 46%);
    }
  }
  .float-card{
    position:absolute;padding:13px 16px;border-radius:12px;
    background:rgba(5,7,15,.74);
    -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
    border:1px solid var(--line-strong);
  }
  .float-card-a{top:16px;left:16px;}
  .float-card-b{bottom:16px;right:16px;}
  .float-cap{font-size:12px;color:var(--dim);letter-spacing:.04em;}
  .float-val{font-size:14px;font-weight:700;color:var(--text);margin-top:4px;}
  @media (max-width:520px){
    .float-card{padding:10px 12px;}
    .float-val{font-size:13px;}
  }

  /* ---------- stats band ---------- */
  .stats-band{background:var(--bg-3);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:34px 0;}
  .stats-grid{display:grid;grid-template-columns:repeat(3,1fr);}
  .stat-item{padding:4px 26px;border-right:1px solid var(--line);}
  .stat-item:last-child{border-right:0;}
  .stat-num{
    font-size:clamp(34px,3.6vw,44px);font-weight:800;line-height:1.1;color:var(--primary);
    font-variant-numeric:tabular-nums;margin:0;
  }
  .stat-cap{font-size:13px;color:var(--muted);margin-top:10px;}
  @media (max-width:767px){
    .stats-grid{grid-template-columns:1fr;}
    .stat-item{border-right:0;border-bottom:1px solid var(--line);padding:16px 8px;}
    .stat-item:last-child{border-bottom:0;}
  }

  /* ---------- timeline ---------- */
  .timeline{position:relative;padding-left:36px;}
  .timeline::before{
    content:'';position:absolute;left:9px;top:8px;bottom:8px;width:2px;border-radius:2px;
    background:linear-gradient(180deg,rgba(52,225,214,.55),rgba(255,77,141,.28),rgba(52,225,214,.14));
  }
  .tl-item{position:relative;padding-bottom:26px;}
  .tl-item:last-child{padding-bottom:0;}
  .tl-dot{
    position:absolute;left:-35px;top:26px;width:16px;height:16px;border-radius:50%;
    background:var(--primary);
    box-shadow:0 0 0 4px rgba(52,225,214,.14),0 0 18px rgba(52,225,214,.6);
  }
  .tl-card{padding:24px 26px;}
  .tl-card:hover{transform:translateY(-4px);}
  .tl-index{
    position:absolute;top:14px;right:20px;font-size:34px;font-weight:800;line-height:1;
    color:transparent;-webkit-text-stroke:1px rgba(52,225,214,.4);
    font-variant-numeric:tabular-nums;pointer-events:none;
  }
  .tl-title{font-size:19px;font-weight:700;padding-right:56px;}
  .tl-text{font-size:15px;color:var(--muted);margin-top:10px;max-width:62ch;}
  .tl-key{
    margin-top:14px;font-size:14px;color:var(--primary);
    display:inline-flex;align-items:center;gap:8px;
  }
  .tl-key::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 8px rgba(52,225,214,.8);}
  @media (max-width:640px){
    .timeline{padding-left:26px;}
    .timeline::before{left:5px;}
    .tl-dot{left:-27px;width:12px;height:12px;top:24px;}
    .tl-card{padding:20px;}
    .tl-index{font-size:26px;top:12px;right:14px;}
    .tl-title{padding-right:44px;}
  }

  /* ---------- scope ---------- */
  .scope-figure{margin:0;padding:14px;}
  .scope-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:12px;border:1px solid var(--line);}
  .scope-figure figcaption{font-size:12px;color:var(--dim);margin-top:12px;line-height:1.7;}
  .scope-item{display:flex;gap:18px;padding:22px 0;border-bottom:1px solid var(--line);}
  .scope-item:first-child{padding-top:0;}
  .scope-item:last-child{border-bottom:0;}
  .scope-num{
    font-size:22px;font-weight:800;color:var(--primary);min-width:46px;
    font-variant-numeric:tabular-nums;line-height:1.5;
  }
  .scope-title{font-size:17px;font-weight:700;}
  .scope-text{font-size:15px;color:var(--muted);margin-top:8px;max-width:56ch;}

  /* ---------- ways ---------- */
  .way-card{padding:28px;}
  .way-card.offset{margin-top:32px;}
  .way-num{
    font-size:36px;font-weight:800;line-height:1;color:transparent;
    -webkit-text-stroke:1px rgba(52,225,214,.5);font-variant-numeric:tabular-nums;display:block;
  }
  .way-title{font-size:18px;font-weight:700;margin-top:16px;}
  .way-text{font-size:15px;color:var(--muted);margin-top:10px;max-width:48ch;}
  .way-wide{display:flex;flex-wrap:wrap;gap:22px;align-items:flex-start;}
  .way-wide .way-num{flex:0 0 auto;}
  @media (max-width:767px){.way-card.offset{margin-top:0;}}

  /* ---------- faq ---------- */
  .faq-wrap{max-width:860px;margin:0 auto;}
  .faq-item{margin-bottom:12px;overflow:hidden;}
  .faq-item:hover{transform:none;}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
    padding:18px 22px;background:transparent;border:0;cursor:pointer;
    font-size:17px;font-weight:600;color:var(--text);text-align:left;line-height:1.6;
  }
  .faq-icon{
    position:relative;flex:0 0 auto;width:24px;height:24px;border-radius:50%;
    border:1px solid var(--line-strong);background:rgba(52,225,214,.1);
  }
  .faq-icon::before,.faq-icon::after{
    content:'';position:absolute;top:50%;left:50%;background:var(--primary);border-radius:2px;
    transition:transform .22s var(--ease),opacity .22s var(--ease);
  }
  .faq-icon::before{width:10px;height:2px;transform:translate(-50%,-50%);}
  .faq-icon::after{width:2px;height:10px;transform:translate(-50%,-50%);}
  .faq-item.open .faq-icon::after{transform:translate(-50%,-50%) scaleY(0);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease);}
  .faq-a-inner{padding:0 22px 20px;font-size:15px;line-height:1.9;color:var(--muted);max-width:70ch;}

  /* ---------- cta ---------- */
  .cta-panel{
    padding:40px;border-radius:18px;position:relative;overflow:hidden;
    background:linear-gradient(120deg,rgba(10,17,34,.94),rgba(14,23,48,.9));
    border:1px solid var(--line);
  }
  .cta-panel::before{
    content:'';position:absolute;inset:0;pointer-events:none;
    background:radial-gradient(600px 240px at 88% 12%,rgba(255,77,141,.16),transparent 70%),
               radial-gradient(520px 220px at 8% 90%,rgba(52,225,214,.16),transparent 72%);
  }
  .cta-list li{
    font-size:15px;color:var(--muted);padding-left:20px;position:relative;margin-top:10px;
  }
  .cta-list li::before{
    content:'';position:absolute;left:0;top:11px;width:8px;height:2px;background:var(--primary);border-radius:2px;
  }
  @media (max-width:640px){.cta-panel{padding:26px 20px;border-radius:14px;}}

  /* ---------- privacy band ---------- */
  .privacy-band{background:var(--bg-3);border-top:1px solid var(--line);padding:28px 0;}

  /* ---------- footer ---------- */
  .site-footer{background:var(--bg-3);border-top:1px solid var(--line);padding:64px 0 0;}
  .footer-title{font-size:14px;font-weight:700;color:var(--text);letter-spacing:.04em;margin-bottom:16px;}
  .footer-link{display:block;font-size:14px;color:var(--muted);padding:6px 0;transition:color .2s var(--ease);}
  .footer-link:hover{color:var(--primary);}
  .social-dot{
    width:36px;height:36px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
    font-size:13px;color:var(--muted);border:1px solid var(--line);background:rgba(255,255,255,.04);
    transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
  }
  .social-dot:hover{color:var(--primary);border-color:var(--line-strong);transform:translateY(-2px);}
  .footer-bottom{
    margin-top:48px;border-top:1px solid var(--line);padding:20px 0 28px;
    display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
    font-size:12px;color:var(--dim);
  }

  /* ---------- modal ---------- */
  .modal-mask{
    position:fixed;inset:0;z-index:90;padding:24px;display:flex;align-items:center;justify-content:center;
    background:rgba(5,7,15,.72);
    -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
    opacity:0;visibility:hidden;transition:opacity .22s var(--ease),visibility .22s var(--ease);
  }
  .modal-mask.open{opacity:1;visibility:visible;}
  .modal-panel{
    position:relative;width:560px;max-width:100%;max-height:88vh;overflow-y:auto;
    padding:30px;border-radius:16px;
    background:rgba(10,17,34,.96);
    -webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);
    border:1px solid var(--line);
  }
  .modal-panel::before{
    content:'';position:absolute;inset:0;border-radius:inherit;padding:1px;pointer-events:none;
    background:linear-gradient(135deg,rgba(52,225,214,.32),rgba(255,77,141,.18));
    -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
    -webkit-mask-composite:xor;mask-composite:exclude;
  }
  .modal-close{
    position:absolute;top:14px;right:14px;width:32px;height:32px;border-radius:10px;
    border:1px solid var(--line);background:rgba(255,255,255,.05);color:var(--muted);
    cursor:pointer;display:inline-flex;align-items:center;justify-content:center;font-size:16px;
    transition:color .2s var(--ease),border-color .2s var(--ease);
  }
  .modal-close:hover{color:var(--primary);border-color:var(--line-strong);}
  .field-label{display:block;font-size:13px;color:var(--muted);margin-bottom:8px;letter-spacing:.02em;}
  .field-input{
    width:100%;height:48px;border-radius:10px;padding:0 14px;font-size:15px;
    background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--text);outline:none;
    transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  }
  textarea.field-input{height:104px;padding:12px 14px;resize:vertical;line-height:1.75;}
  .field-input::placeholder{color:var(--dim);}
  .field-input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(52,225,214,.14);}
  .field-input.is-error{border-color:var(--danger);box-shadow:0 0 0 4px rgba(255,107,107,.14);}
  .field-error{font-size:12px;color:var(--danger);margin-top:8px;}
  .check-row{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--muted);line-height:1.7;}
  .check-row input{
    width:18px;height:18px;margin-top:3px;flex:0 0 auto;accent-color:var(--primary);
  }
  .form-note{font-size:12px;color:var(--dim);margin-top:12px;line-height:1.7;}

  /* ---------- back top ---------- */
  .back-top{
    position:fixed;right:24px;bottom:24px;z-index:50;height:44px;padding:0 20px;border-radius:999px;
    border:1px solid var(--line-strong);background:rgba(5,7,15,.86);color:var(--primary);
    font-size:13px;cursor:pointer;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
    opacity:0;visibility:hidden;transform:translateY(8px);
    transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s var(--ease);
  }
  .back-top.show{opacity:1;visibility:visible;transform:translateY(0);}

  @media (prefers-reduced-motion:reduce){
    *{transition-duration:.001ms !important;animation-duration:.001ms !important;}
    .glass-card:hover,.tl-card:hover,.btn-primary:hover,.btn-secondary:hover,.btn-convert:hover,.social-dot:hover{transform:none;}
    html{scroll-behavior:auto;}
  }