/* roulang page: index */
:root{
  --bg-0:#06131A;
  --bg-1:#0B1D26;
  --bg-2:#102833;
  --bg-3:#16323E;
  --primary:#2FE3C6;
  --primary-hover:#6BF0DA;
  --primary-active:#17BFA5;
  --primary-soft:rgba(47,227,198,.12);
  --accent:#FFB25C;
  --text-1:#EAF6F5;
  --text-2:#A9C2C4;
  --text-3:#6F8A8E;
  --line:rgba(122,215,205,.16);
  --line-2:rgba(122,215,205,.09);
  --ok:#35D07F;
  --warn:#FFB25C;
  --err:#FF6B6B;
  --info:#56A8FF;
  --shadow-card:0 8px 28px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.05);
  --shadow-float:0 18px 48px rgba(0,0,0,.5);
  --r-card:16px;
  --r-btn:10px;
  --r-input:10px;
  --r-img:12px;
  --sidebar-w:232px;
  --sidebar-w-sm:76px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding-left:var(--sidebar-w);
  background:var(--bg-0);
  color:var(--text-1);
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  font-weight:400;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.28}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 32px}
@media (min-width:1440px){.container{max-width:1360px}}

/* ---------- 左侧 App Shell ---------- */
.sidebar{
  position:fixed;left:0;top:0;bottom:0;width:var(--sidebar-w);z-index:70;
  display:flex;flex-direction:column;gap:18px;
  padding:24px 16px 20px;
  background:linear-gradient(180deg,rgba(11,29,38,.94),rgba(6,19,26,.94));
  border-right:1px solid var(--line);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  overflow-y:auto;
  transition:width .24s ease;
}
.brand{display:flex;align-items:center;gap:10px;padding:4px 6px 14px;border-bottom:1px solid var(--line-2)}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:radial-gradient(circle at 30% 25%,rgba(47,227,198,.35),rgba(47,227,198,.08));
  border:1px solid rgba(47,227,198,.42);
  color:var(--primary);font-weight:700;font-size:17px;
  box-shadow:0 0 18px rgba(47,227,198,.25);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:14.5px;color:var(--text-1);letter-spacing:-.01em}
.brand-text span{font-size:11.5px;color:var(--text-3);letter-spacing:.04em}
.nav{display:flex;flex-direction:column;gap:6px}
.nav-label{font-size:11.5px;letter-spacing:.12em;color:var(--text-3);padding:0 10px 6px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:11px;
  padding:11px 13px;border-radius:10px;
  color:var(--text-2);font-size:14.5px;
  transition:background .16s ease,color .16s ease,transform .12s ease;
}
.nav-item .ico{width:19px;height:19px;flex:0 0 19px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.nav-item:hover{background:var(--bg-3);color:var(--text-1);transform:translateX(2px)}
.nav-item.active{
  background:var(--primary-soft);color:var(--text-1);
  box-shadow:inset 0 0 0 1px var(--line);
}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:20px;border-radius:2px;background:var(--primary);
  box-shadow:0 0 12px rgba(47,227,198,.75);
}
.side-foot{
  margin-top:auto;padding:16px;border-radius:14px;
  background:linear-gradient(180deg,rgba(22,50,62,.7),rgba(11,29,38,.6));
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.side-foot h4{font-size:14px;margin-bottom:6px}
.side-foot p{font-size:13px;color:var(--text-2);line-height:1.7;margin-bottom:12px}
.side-foot .mini-link{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--text-3);margin-top:12px;transition:color .16s}
.side-foot .mini-link:hover{color:var(--primary)}
.btn.btn-block{width:100%}

/* ---------- 移动端顶部栏与抽屉 ---------- */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:60px;z-index:75;
  align-items:center;gap:12px;padding:0 16px;
  background:rgba(8,22,30,.94);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.topbar .brand{padding:0;border:0;gap:8px}
.topbar .brand-mark{width:32px;height:32px;flex:0 0 32px;font-size:15px;border-radius:10px}
.topbar .brand-text strong{font-size:14px}
.topbar .brand-text span{display:none}
.burger{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;flex:0 0 40px;
}
.burger span{display:block;width:17px;height:2px;background:var(--text-1);border-radius:2px;position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:17px;height:2px;background:var(--text-1);border-radius:2px}
.burger span::before{top:-5px}
.burger span::after{top:5px}
.topbar-cta{margin-left:auto}
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:280px;z-index:90;
  padding:22px 16px;display:flex;flex-direction:column;gap:16px;
  background:linear-gradient(180deg,#0B1D26,#06131A);
  border-right:1px solid var(--line);
  transform:translateX(-102%);transition:transform .28s ease;
  overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.mask{
  position:fixed;inset:0;background:rgba(3,10,14,.66);z-index:85;
  opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s;
}
.mask.open{opacity:1;visibility:visible}
.drawer-close{position:absolute;top:16px;right:14px;width:34px;height:34px;border-radius:9px;border:1px solid var(--line);color:var(--text-2);font-size:18px;line-height:1}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:0;
  border:1px solid transparent;white-space:nowrap;
  transition:background .18s ease,box-shadow .18s ease,transform .12s ease,color .18s;
}
.btn-primary{
  background:var(--primary);color:#052A26;
  box-shadow:0 0 0 1px rgba(47,227,198,.38),0 8px 24px rgba(47,227,198,.26);
}
.btn-primary:hover{background:var(--primary-hover);box-shadow:0 0 0 1px rgba(107,240,218,.5),0 12px 32px rgba(47,227,198,.4);transform:translateY(-1px)}
.btn-primary:active{background:var(--primary-active);transform:translateY(0) scale(.99)}
.btn-ghost{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-ghost:hover{background:var(--primary-soft)}
.btn-ghost:active{background:rgba(47,227,198,.2)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.4;box-shadow:none;pointer-events:none}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--primary);font-weight:600}
.text-link i{font-style:normal;transition:transform .16s ease}
.text-link:hover i{transform:translateX(2px)}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 11px;border-radius:999px;font-size:12.5px;line-height:1.7;
  border:1px solid var(--line);color:var(--text-2);background:rgba(255,255,255,.02);
}
.badge-primary{border-color:rgba(47,227,198,.45);color:var(--primary)}
.badge-accent{border-color:rgba(255,178,92,.45);color:var(--accent)}
.badge-ok{border-color:rgba(53,208,127,.45);color:var(--ok)}
.dot{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 10px rgba(53,208,127,.8);display:inline-block}
.card{
  background:linear-gradient(180deg,rgba(22,50,62,.66),rgba(11,29,38,.9));
  border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.card:hover{border-color:rgba(47,227,198,.35);transform:translateY(-2px)}
.card-glass{
  background:linear-gradient(180deg,rgba(22,50,62,.55),rgba(11,29,38,.45));
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
}
.section{padding:96px 0}
.section.tight{padding:64px 0}
.section.alt{background:linear-gradient(180deg,rgba(11,29,38,.85),rgba(6,19,26,0))}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.1em;color:var(--primary);
  margin-bottom:14px;
}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px}
.sec-title{font-size:32px}
.sec-sub{color:var(--text-2);font-size:15px;margin-top:12px;max-width:640px;line-height:1.8}
.divider{height:1px;background:var(--line-2);border:0;margin:0}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;min-height:78vh;
  display:flex;align-items:center;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line-2);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(6,19,26,.92) 0%,rgba(6,19,26,.76) 46%,rgba(6,19,26,.58) 100%);
}
.hero::after{
  content:"";position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(var(--line-2) 1px,transparent 1px),linear-gradient(90deg,var(--line-2) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 22% 40%,#000 0%,transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 22% 40%,#000 0%,transparent 72%);
}
.hero .container{position:relative;z-index:2;padding-top:80px;padding-bottom:80px}
.hero-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:center}
.hero-copy{grid-column:1 / 7}
.hero-visual{grid-column:8 / 13}
.status-bar{
  display:inline-flex;align-items:center;gap:10px;flex-wrap:wrap;
  padding:7px 15px;border-radius:999px;border:1px solid var(--line);
  background:rgba(16,40,51,.6);font-size:13px;color:var(--text-2);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  margin-bottom:22px;
}
.status-bar b{color:var(--text-1);font-weight:600}
.hero h1{font-size:48px;line-height:1.2;letter-spacing:-.01em;margin-bottom:20px}
.hero h1 em{
  font-style:normal;color:var(--primary);
  border-bottom:3px solid rgba(47,227,198,.35);
  padding-bottom:2px;
}
.hero-lead{font-size:17px;color:var(--text-2);max-width:520px;line-height:1.85}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}
.trust-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}
.trust-pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:999px;font-size:12.5px;color:var(--text-2);
  border:1px solid var(--line);
}
.visual-frame{
  position:relative;border-radius:18px;overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-float);
}
.visual-frame img{width:100%;height:380px;object-fit:cover;border-radius:0}
.visual-frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,19,26,.05),rgba(6,19,26,.72));
}
.visual-note{
  position:absolute;left:18px;right:18px;bottom:18px;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 16px;border-radius:14px;
  background:rgba(11,29,38,.72);border:1px solid var(--line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.visual-note span{font-size:13px;color:var(--text-2)}
.visual-note strong{display:block;font-size:15px;color:var(--text-1);margin-bottom:2px}
.float-chip{
  position:absolute;top:18px;right:18px;z-index:2;
  padding:8px 13px;border-radius:999px;font-size:12.5px;
  background:rgba(11,29,38,.78);border:1px solid rgba(47,227,198,.4);
  color:var(--primary);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
}

/* ---------- 卖点：一大两小 ---------- */
.point-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.point-main{grid-column:1 / 8;padding:0;overflow:hidden;display:flex;flex-direction:column}
.point-main img{width:100%;height:250px;object-fit:cover;border-radius:0}
.point-main .inner{padding:28px}
.point-side{grid-column:8 / 13;display:grid;gap:24px}
.point-card{padding:26px;display:flex;flex-direction:column;gap:12px}
.point-num{
  font-size:38px;font-weight:700;line-height:1;color:transparent;
  -webkit-text-stroke:1px rgba(47,227,198,.6);
  letter-spacing:.02em;
}
.point-num.small{font-size:28px;-webkit-text-stroke:1px rgba(255,178,92,.65)}
.point-card h3{font-size:20px}
.point-card p{color:var(--text-2);font-size:14.5px;line-height:1.8}
.point-main h3{font-size:22px;margin:14px 0 12px}
.point-main p{color:var(--text-2);font-size:15px;line-height:1.85}
.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}

/* ---------- 场景流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.step{position:relative;padding:24px;border-radius:var(--r-card);border:1px solid var(--line);background:rgba(16,40,51,.55);transition:border-color .2s,transform .2s}
.step:hover{border-color:rgba(47,227,198,.35);transform:translateY(-2px)}
.step-step{font-size:12.5px;letter-spacing:.12em;color:var(--accent);margin-bottom:12px;display:block}
.step h3{font-size:17.5px;margin-bottom:10px}
.step p{font-size:14px;color:var(--text-2);line-height:1.78}
.step::after{
  content:"";position:absolute;top:44px;right:-24px;width:24px;height:1px;
  background:linear-gradient(90deg,rgba(47,227,198,.5),rgba(47,227,198,0));
}
.step:last-child::after{display:none}

/* ---------- 数据与证言 ---------- */
.proof-grid{display:grid;grid-template-columns:5fr 7fr;gap:32px;align-items:start}
.stat-list{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.stat{
  padding:22px;border-radius:var(--r-card);border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(22,50,62,.6),rgba(11,29,38,.85));
}
.stat b{display:block;font-size:32px;color:var(--accent);line-height:1.1;font-weight:700}
.stat span{display:block;margin-top:8px;font-size:13.5px;color:var(--text-2)}
.quote-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.quote{padding:22px;border-radius:var(--r-card);border:1px solid var(--line);background:rgba(16,40,51,.5)}
.quote:nth-child(2){margin-top:26px}
.quote:nth-child(4){margin-top:26px}
.quote p{font-size:14.5px;color:var(--text-1);line-height:1.85}
.quote footer{margin-top:14px;font-size:13px;color:var(--text-3)}
.partner-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}
.partner-row span{font-size:12.5px;color:var(--text-3);border:1px solid var(--line);border-radius:999px;padding:5px 13px}

/* ---------- 实时状态 / 倒计时 ---------- */
.live-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:stretch}
.live-panel{padding:28px;border-radius:var(--r-card);border:1px solid var(--line);background:linear-gradient(180deg,rgba(22,50,62,.62),rgba(11,29,38,.88))}
.live-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 0;border-bottom:1px solid var(--line-2);font-size:14.5px}
.live-row:last-child{border-bottom:0;padding-bottom:0}
.live-row span{color:var(--text-2)}
.live-row b{color:var(--text-1);font-weight:600}
.count-panel{padding:28px;border-radius:var(--r-card);border:1px solid rgba(47,227,198,.3);background:radial-gradient(circle at 70% 0%,rgba(47,227,198,.14),rgba(11,29,38,.9) 62%);display:flex;flex-direction:column;justify-content:center}
.count-panel h3{font-size:19px;margin-bottom:10px}
.count-panel p{font-size:14px;color:var(--text-2);line-height:1.78}
.count-time{
  font-size:40px;font-weight:700;letter-spacing:.04em;color:var(--primary);
  margin:18px 0 20px;text-shadow:0 0 26px rgba(47,227,198,.4);
}

/* ---------- CMS 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  display:flex;flex-direction:column;overflow:hidden;
  border-radius:var(--r-card);border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(22,50,62,.6),rgba(11,29,38,.92));
  box-shadow:var(--shadow-card);
  transition:border-color .2s ease,transform .2s ease;
}
.news-card:hover{border-color:rgba(47,227,198,.35);transform:translateY(-2px)}
.news-media{height:168px;overflow:hidden;background:var(--bg-3)}
.news-media img{width:100%;height:100%;object-fit:cover;border-radius:0}
.news-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-tags{display:flex;gap:8px;flex-wrap:wrap}
.news-body h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body p{font-size:14px;color:var(--text-2);line-height:1.78;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body .text-link{margin-top:auto}
.empty-state{
  grid-column:1 / -1;padding:56px 24px;text-align:center;
  border:1px dashed var(--line);border-radius:var(--r-card);background:rgba(16,40,51,.4);
}
.empty-illu{
  width:76px;height:76px;margin:0 auto 18px;border-radius:22px;
  border:1px solid var(--line);
  background:radial-gradient(circle at 35% 30%,rgba(47,227,198,.22),rgba(47,227,198,.02));
  display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:26px;
}
.empty-state p{color:var(--text-2);font-size:14.5px;margin-bottom:18px}
.skeleton{background:linear-gradient(90deg,rgba(22,50,62,.7) 25%,rgba(22,50,62,.35) 37%,rgba(22,50,62,.7) 63%);background-size:400% 100%;animation:sk 1.4s ease infinite;border-radius:10px}
@keyframes sk{0%{background-position:100% 50%}100%{background-position:0 50%}}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{
  border:1px solid var(--line);border-radius:14px;
  background:linear-gradient(180deg,rgba(22,50,62,.5),rgba(11,29,38,.8));
  overflow:hidden;transition:border-color .2s ease;
}
.faq-item[open]{border-color:rgba(47,227,198,.35)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:20px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";color:var(--primary);font-size:20px;line-height:1;flex:0 0 auto;transition:transform .2s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .faq-body{padding:0 24px 22px;color:var(--text-2);font-size:14.5px;line-height:1.85}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:20px;
  border:1px solid var(--line);
  background-image:linear-gradient(90deg,rgba(6,19,26,.94),rgba(6,19,26,.72)),url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
  padding:56px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{font-size:30px;margin-bottom:12px}
.cta-band p{color:var(--text-2);font-size:15px;max-width:560px;line-height:1.85}
.cta-band .actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
.site-footer h4{font-size:15px;margin-bottom:16px}
.site-footer p{font-size:13.5px;color:var(--text-2);line-height:1.85}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:14px;color:var(--text-2);transition:color .16s ease}
.footer-links a:hover{color:var(--primary)}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid var(--line-2);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ---------- 底部转化条 ---------- */
.dock{
  position:fixed;right:24px;bottom:24px;z-index:60;
  display:flex;align-items:center;gap:14px;
  padding:12px 14px 12px 18px;border-radius:999px;
  background:rgba(11,29,38,.92);border:1px solid rgba(47,227,198,.35);
  box-shadow:var(--shadow-float);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s;
}
.dock.show{opacity:1;visibility:visible;transform:translateY(0)}
.dock span{font-size:14px;color:var(--text-2)}
.dock-close{width:26px;height:26px;border-radius:50%;border:1px solid var(--line);color:var(--text-3);font-size:14px;line-height:1;display:flex;align-items:center;justify-content:center}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  body{padding-left:var(--sidebar-w-sm)}
  .sidebar{width:var(--sidebar-w-sm);padding:20px 12px;align-items:center}
  .brand{justify-content:center;padding:4px 0 14px;width:100%}
  .brand-text{display:none}
  .nav-label{display:none}
  .nav{width:100%;align-items:center}
  .nav-item{justify-content:center;padding:12px 0;width:100%}
  .nav-text{display:none}
  .side-foot{padding:12px;text-align:center}
  .side-foot h4,.side-foot p,.side-foot .mini-link span{display:none}
  .side-foot .mini-link{margin-top:0;justify-content:center}
}
@media (max-width:1023px){
  body{padding-left:0;padding-top:60px}
  .sidebar{display:none}
  .topbar{display:flex}
  .hero .container{padding-top:56px;padding-bottom:56px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-copy,.hero-visual{grid-column:1 / -1}
  .hero h1{font-size:38px}
  .point-main,.point-side{grid-column:1 / -1}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step::after{display:none}
  .proof-grid{grid-template-columns:1fr;gap:28px}
  .live-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .section.tight{padding:40px 0}
  .hero{min-height:auto}
  .hero h1{font-size:30px}
  .hero-lead{font-size:15.5px}
  .sec-title{font-size:24px}
  .sec-head{margin-bottom:28px}
  .point-main img{height:190px}
  .point-main .inner{padding:20px}
  .point-card{padding:20px}
  .steps{grid-template-columns:1fr}
  .stat-list{grid-template-columns:1fr 1fr;gap:14px}
  .quote-grid{grid-template-columns:1fr}
  .quote:nth-child(2),.quote:nth-child(4){margin-top:0}
  .news-grid{grid-template-columns:1fr}
  .cta-band{padding:32px 20px;border-radius:16px}
  .cta-band h2{font-size:23px}
  .cta-band .actions{width:100%}
  .cta-band .actions .btn{flex:1}
  .visual-frame img{height:250px}
  .count-time{font-size:32px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .dock{
    left:0;right:0;bottom:0;border-radius:0;
    border-left:0;border-right:0;border-bottom:0;
    padding:12px 14px calc(12px + env(safe-area-inset-bottom));
    justify-content:space-between;
  }
  .dock span{display:none}
  .dock .btn{flex:1}
}
@media (max-width:480px){
  .hero h1{font-size:26px}
  .stat-list{grid-template-columns:1fr}
  .trust-row .trust-pill{font-size:12px;padding:5px 11px}
  .btn{height:44px;padding:0 16px;font-size:14.5px}
  .faq-item summary{padding:16px 18px;font-size:15px}
  .faq-item .faq-body{padding:0 18px 18px}
}

/* roulang page: article */
:root{
  --bg-0:#06131A;
  --bg-1:#0B1D26;
  --bg-2:#102833;
  --bg-3:#16323E;
  --input-bg:#0C2029;
  --primary:#2FE3C6;
  --primary-hover:#6BF0DA;
  --primary-active:#17BFA5;
  --primary-soft:rgba(47,227,198,.12);
  --accent:#FFB25C;
  --text-1:#EAF6F5;
  --text-2:#A9C2C4;
  --text-3:#6F8A8E;
  --line:rgba(122,215,205,.16);
  --line-2:rgba(122,215,205,.09);
  --ok:#35D07F;
  --warn:#FFB25C;
  --err:#FF6B6B;
  --info:#56A8FF;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-card:0 8px 28px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.05);
  --shadow-float:0 18px 48px rgba(0,0,0,.5);
  --shell:232px;
  --gutter:32px;
  --glass:rgba(16,40,51,.62);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:linear-gradient(var(--line-2) 1px,transparent 1px),linear-gradient(90deg,var(--line-2) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 24% 8%,rgba(0,0,0,.55),transparent 68%);
  -webkit-mask-image:radial-gradient(circle at 24% 8%,rgba(0,0,0,.55),transparent 68%);
}
a{color:inherit;text-decoration:none;transition:color .18s ease;}
img{max-width:100%;display:block;border-radius:var(--radius-img);background:var(--input-bg);}
button{font:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;line-height:1.28;font-weight:700;color:var(--text-1);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}

/* ---------- 左侧 App Shell ---------- */
.shell{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--shell);
  z-index:60;
  display:flex;
  flex-direction:column;
  gap:22px;
  padding:26px 20px 22px;
  background:linear-gradient(180deg,rgba(11,29,38,.96),rgba(6,19,26,.98));
  border-right:1px solid var(--line);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  overflow-y:auto;
}
.brand{display:flex;align-items:center;gap:10px;}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;
  border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(47,227,198,.22),rgba(255,178,92,.14));
  border:1px solid var(--line);
  box-shadow:0 0 0 1px rgba(47,227,198,.08) inset;
}
.brand-mark svg{width:20px;height:20px;stroke:var(--primary);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.brand-text{display:flex;flex-direction:column;}
.brand-name{font-size:15px;font-weight:700;color:var(--text-1);letter-spacing:-.01em;}
.brand-sub{font-size:11.5px;color:var(--text-3);letter-spacing:.06em;}
.nav{display:flex;flex-direction:column;gap:4px;}
.nav-label{font-size:11.5px;letter-spacing:.14em;color:var(--text-3);padding:0 10px 8px;}
.nav-item{
  position:relative;
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;
  border-radius:10px;
  color:var(--text-2);
  font-size:14.5px;
  border:1px solid transparent;
  transition:background .18s ease,color .18s ease,transform .12s ease,border-color .18s ease;
}
.nav-item .ico{width:18px;height:18px;flex:0 0 18px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;opacity:.9;}
.nav-item:hover{background:var(--bg-3);color:var(--text-1);transform:translateX(2px);}
.nav-item.active{
  background:var(--glass);
  border-color:var(--line);
  color:var(--text-1);
  box-shadow:0 0 0 1px rgba(47,227,198,.06) inset, 0 0 18px rgba(47,227,198,.12);
}
.nav-item.active::before{
  content:"";
  position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:20px;border-radius:3px;background:var(--primary);
  box-shadow:0 0 12px rgba(47,227,198,.8);
}
.shell-card{
  margin-top:auto;
  padding:16px;
  border-radius:var(--radius-card);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.shell-card h4{font-size:14px;margin-bottom:6px;}
.shell-card p{font-size:12.5px;line-height:1.7;color:var(--text-2);}
.shell-card .btn{margin-top:12px;width:100%;justify-content:center;}

/* ---------- 主区域 ---------- */
.layout{margin-left:var(--shell);position:relative;z-index:1;min-height:100vh;display:flex;flex-direction:column;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 var(--gutter);}
.topbar{display:none;}

/* ---------- 面包屑 & 文章头 ---------- */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);padding:28px 0 0;}
.crumbs a{color:var(--text-2);}
.crumbs a:hover{color:var(--primary);}
.crumbs span.sep{color:var(--text-3);opacity:.7;}
.crumbs .now{color:var(--text-1);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

.article-head{padding:22px 0 26px;border-bottom:1px solid var(--line-2);}
.badge-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:12.5px;line-height:1.5;
  border:1px solid var(--line);
  color:var(--text-2);
  background:rgba(16,40,51,.5);
}
.badge.primary{border-color:rgba(47,227,198,.45);color:var(--primary);}
.badge.accent{border-color:rgba(255,178,92,.45);color:var(--accent);}
.article-head h1{font-size:clamp(26px,3.6vw,44px);line-height:1.22;}
.article-head h1 .hl{
  color:var(--primary);
  box-shadow:inset 0 -.18em 0 rgba(47,227,198,.18);
}
.meta-row{display:flex;flex-wrap:wrap;gap:18px;margin-top:18px;font-size:13.5px;color:var(--text-3);}
.meta-row .k{color:var(--text-2);}
.lede{margin-top:18px;font-size:16.5px;color:var(--text-2);line-height:1.85;max-width:74ch;}

/* ---------- 文章主体栅格 ---------- */
.article-wrap{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:36px;padding:44px 0 72px;align-items:start;}
.article-body{
  max-width:760px;
  font-size:16px;
  line-height:1.8;
  color:var(--text-2);
}
.article-body > * + *{margin-top:20px;}
.article-body h2{
  position:relative;
  font-size:30px;
  color:var(--text-1);
  padding-left:16px;
  margin-top:32px;
  margin-bottom:14px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--primary),rgba(47,227,198,.15));
}
.article-body h3{font-size:21px;color:var(--text-1);margin-top:26px;margin-bottom:10px;}
.article-body h4{font-size:17px;color:var(--text-1);margin-top:20px;margin-bottom:8px;}
.article-body p{color:var(--text-2);line-height:1.82;}
.article-body strong{color:var(--text-1);}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(47,227,198,.35);}
.article-body a:hover{color:var(--primary-hover);}
.article-body ul,.article-body ol{padding-left:22px;color:var(--text-2);}
.article-body ul li,.article-body ol li{margin-top:8px;line-height:1.8;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body img{border-radius:var(--radius-img);margin:22px 0;width:100%;height:auto;}
.article-body blockquote{
  margin:24px 0;
  padding:18px 20px;
  border-radius:var(--radius-card);
  background:var(--glass);
  border:1px solid var(--line);
  color:var(--text-1);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.article-body blockquote p{color:var(--text-1);}
.article-body code{
  background:var(--input-bg);
  border:1px solid var(--line-2);
  border-radius:6px;
  padding:1px 6px;
  font-size:14px;
  color:var(--primary);
}
.article-body pre{
  background:var(--input-bg);
  border:1px solid var(--line);
  border-radius:var(--radius-img);
  padding:16px;
  overflow-x:auto;
}
.article-body pre code{background:none;border:none;padding:0;}
.article-body table{
  display:block;
  width:100%;
  overflow-x:auto;
  border-collapse:collapse;
  font-size:14.5px;
}
.article-body th,.article-body td{
  border:1px solid var(--line-2);
  padding:10px 14px;
  text-align:left;
  white-space:nowrap;
  color:var(--text-2);
}
.article-body th{background:var(--bg-2);color:var(--text-1);}
.article-body hr{border:none;border-top:1px solid var(--line-2);margin:30px 0;}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:28px;display:flex;flex-direction:column;gap:18px;}
.side-card{
  padding:20px;
  border-radius:var(--radius-card);
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
}
.side-card h3{font-size:15px;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h3::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px rgba(47,227,198,.9);}
.side-list{display:flex;flex-direction:column;gap:2px;}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 10px;border-radius:9px;font-size:14px;color:var(--text-2);
  border:1px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.side-list a:hover{background:var(--bg-3);color:var(--text-1);border-color:var(--line);}
.side-list a .arrow{color:var(--accent);transition:transform .18s ease;}
.side-list a:hover .arrow{transform:translateX(2px);}
.side-note{font-size:13px;color:var(--text-3);line-height:1.7;}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 20px;border-radius:var(--radius-btn);
  font-size:14.5px;font-weight:600;line-height:1;
  border:1px solid transparent;
  transition:background .18s ease,color .18s ease,box-shadow .18s ease,transform .1s ease,border-color .18s ease;
}
.btn-primary{
  background:var(--primary);color:#062024;
  box-shadow:0 0 0 1px rgba(47,227,198,.35), 0 8px 24px rgba(47,227,198,.22);
}
.btn-primary:hover{background:var(--primary-hover);box-shadow:0 0 0 1px rgba(107,240,218,.5),0 10px 30px rgba(47,227,198,.36);}
.btn-primary:active{background:var(--primary-active);transform:translateY(1px);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text-1);}
.btn-ghost:hover{background:var(--primary-soft);border-color:rgba(47,227,198,.45);color:var(--primary-hover);}
.btn-text{background:none;border:none;color:var(--primary);padding:0;font-weight:600;}
.btn-text .arrow{transition:transform .18s ease;}
.btn-text:hover .arrow{transform:translateX(3px);}
.btn[disabled],.btn.is-disabled{opacity:.4;box-shadow:none;cursor:not-allowed;}

/* ---------- 相关推荐 ---------- */
.section{padding:0 0 72px;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:26px;}
.section-head h2{font-size:clamp(22px,2.4vw,30px);}
.section-head p{font-size:14px;color:var(--text-3);margin-top:8px;}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  display:flex;flex-direction:column;
  border-radius:var(--radius-card);
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  overflow:hidden;
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.card:hover{transform:translateY(-2px);border-color:rgba(47,227,198,.35);box-shadow:var(--shadow-float);}
.card-thumb{aspect-ratio:16/9;width:100%;object-fit:cover;border-radius:0;}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:17.5px;}
.card-body p{font-size:14px;color:var(--text-2);line-height:1.72;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--text-3);}
.card-foot .go{color:var(--primary);font-weight:600;display:inline-flex;gap:6px;align-items:center;}
.card-foot .go .arrow{transition:transform .18s ease;}
.card:hover .card-foot .go .arrow{transform:translateX(3px);}

/* ---------- 上下篇 ---------- */
.pager{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:8px;}
.pager-item{
  display:block;padding:18px 20px;border-radius:var(--radius-card);
  background:var(--bg-1);border:1px solid var(--line-2);
  transition:border-color .18s ease,background .18s ease,transform .18s ease;
}
.pager-item:hover{border-color:rgba(47,227,198,.35);background:var(--bg-2);transform:translateY(-2px);}
.pager-item .k{font-size:12.5px;color:var(--accent);letter-spacing:.08em;}
.pager-item .t{display:block;margin-top:8px;font-size:15.5px;color:var(--text-1);}

/* ---------- 底部 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:20px;
  border:1px solid var(--line);
  padding:46px 44px;
  background:linear-gradient(115deg,rgba(16,40,51,.94),rgba(6,19,26,.96));
  box-shadow:var(--shadow-card);
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.28;
  mix-blend-mode:luminosity;
}
.cta-inner{position:relative;z-index:1;max-width:640px;}
.cta-inner h2{font-size:clamp(24px,2.6vw,32px);}
.cta-inner p{margin-top:14px;color:var(--text-2);font-size:15.5px;line-height:1.8;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:12px;}
.faq details{
  border-radius:var(--radius-card);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  overflow:hidden;
}
.faq summary{
  list-style:none;cursor:pointer;
  padding:17px 22px;font-size:15.5px;color:var(--text-1);font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+";color:var(--primary);font-size:18px;line-height:1;}
.faq details[open] summary::after{content:"–";}
.faq details[open] summary{border-bottom:1px solid var(--line-2);}
.faq .faq-body{padding:16px 22px 20px;font-size:14.5px;color:var(--text-2);line-height:1.8;}

/* ---------- 空态 ---------- */
.empty-state{
  padding:52px 32px;border-radius:var(--radius-card);
  background:var(--bg-1);border:1px dashed var(--line);
  text-align:center;
}
.empty-state .ph{
  width:74px;height:74px;margin:0 auto 18px;border-radius:16px;
  background:var(--bg-2);border:1px solid var(--line-2);display:grid;place-items:center;
}
.empty-state .ph svg{width:30px;height:30px;stroke:var(--primary);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;}
.empty-state h2{font-size:22px;}
.empty-state p{margin:10px auto 22px;color:var(--text-3);font-size:14.5px;max-width:44ch;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:auto;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(11,29,38,.7),rgba(6,19,26,.95));
  padding:64px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{width:34px;height:34px;flex:0 0 34px;}
.footer-col h3{font-size:14px;letter-spacing:.04em;color:var(--text-1);margin-bottom:16px;}
.footer-col p,.footer-col li{font-size:13.5px;color:var(--text-2);line-height:1.85;}
.footer-col li + li{margin-top:9px;}
.footer-col a{color:var(--text-2);}
.footer-col a:hover{color:var(--primary);}
.footer-bottom{
  margin-top:48px;border-top:1px solid var(--line-2);
  padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3);}
.footer-bottom a:hover{color:var(--primary);}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;right:26px;bottom:26px;z-index:50;
  width:48px;height:48px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--bg-2);border:1px solid var(--line);color:var(--text-1);
  box-shadow:var(--shadow-float);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .22s ease,transform .22s ease,visibility .22s;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{border-color:rgba(47,227,198,.45);color:var(--primary);}
.to-top svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}

/* ---------- 骨架/加载态 ---------- */
.skeleton{
  border-radius:var(--radius-card);
  background:linear-gradient(90deg,var(--bg-1) 25%,var(--bg-2) 37%,var(--bg-1) 63%);
  background-size:400% 100%;
  animation:sk 1.4s ease infinite;
  min-height:120px;
}
@keyframes sk{0%{background-position:100% 50%}100%{background-position:0 50%}}

/* ---------- 抽屉遮罩 ---------- */
.mask{
  position:fixed;inset:0;z-index:55;
  background:rgba(4,12,17,.66);
  opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s;
}
.mask.show{opacity:1;visibility:visible;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  :root{--shell:76px;--gutter:24px;}
  .nav-text,.nav-label,.brand-text,.shell-card p,.shell-card h4{display:none;}
  .nav-item{justify-content:center;padding:12px 0;}
  .brand{justify-content:center;}
  .shell-card{padding:10px;text-align:center;}
  .shell-card .btn{padding:10px 0;font-size:0;gap:0;}
  .shell-card .btn::after{content:"→";font-size:15px;}
  .article-wrap{grid-template-columns:minmax(0,1fr) 260px;gap:28px;}
}
@media (max-width:1023px){
  :root{--gutter:24px;}
  .shell{
    top:60px;bottom:0;width:264px;
    transform:translateX(-104%);
    transition:transform .26s ease;
    background:linear-gradient(180deg,rgba(11,29,38,.99),rgba(6,19,26,1));
    padding-top:22px;
  }
  .shell.open{transform:translateX(0);}
  .nav-text,.nav-label,.brand-text,.shell-card p,.shell-card h4{display:block;}
  .nav-item{justify-content:flex-start;padding:11px 12px;}
  .brand{justify-content:flex-start;}
  .shell-card{padding:16px;text-align:left;}
  .shell-card .btn{font-size:14.5px;gap:8px;padding:11px 20px;}
  .shell-card .btn::after{content:"";}
  .layout{margin-left:0;padding-top:60px;}
  .topbar{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    position:fixed;top:0;left:0;right:0;height:60px;z-index:58;
    padding:0 18px;
    background:rgba(6,19,26,.94);
    border-bottom:1px solid var(--line);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
  }
  .topbar .brand{border:none;padding:0;}
  .burger{
    width:42px;height:42px;border-radius:10px;
    background:var(--bg-2);border:1px solid var(--line);
    display:grid;place-items:center;
  }
  .burger svg{width:20px;height:20px;stroke:var(--text-1);fill:none;stroke-width:1.8;stroke-linecap:round;}
  .article-wrap{grid-template-columns:minmax(0,1fr);gap:0;}
  .article-side{position:static;margin-top:36px;}
  .article-body{max-width:none;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
}
@media (max-width:767px){
  :root{--gutter:16px;}
  .crumbs{padding-top:20px;}
  .article-head{padding:18px 0 22px;}
  .article-wrap{padding:28px 0 56px;}
  .section{padding:0 0 56px;}
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .pager{grid-template-columns:minmax(0,1fr);}
  .cta-band{padding:32px 22px;border-radius:16px;}
  .cta-actions .btn{width:100%;justify-content:center;}
  .article-body h2{font-size:24px;}
  .article-body h3{font-size:19px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:26px;}
  .site-footer{padding-top:48px;}
  .to-top{right:16px;bottom:18px;}
}
@media (max-width:480px){
  body{font-size:15.5px;}
  .article-head h1{font-size:25px;}
  .meta-row{gap:12px;font-size:13px;}
  .side-card{padding:16px;}
  .badge{font-size:12px;padding:4px 10px;}
}

/* roulang page: category1 */
:root{
  --bg-0:#06131A;
  --bg-1:#0B1D26;
  --bg-2:#102833;
  --bg-3:#16323E;
  --primary:#2FE3C6;
  --primary-hover:#6BF0DA;
  --primary-active:#17BFA5;
  --primary-soft:rgba(47,227,198,.12);
  --accent:#FFB25C;
  --text-1:#EAF6F5;
  --text-2:#A9C2C4;
  --text-3:#6F8A8E;
  --line:rgba(122,215,205,.16);
  --line-2:rgba(122,215,205,.09);
  --ok:#35D07F;
  --warn:#FFB25C;
  --err:#FF6B6B;
  --info:#56A8FF;
  --radius-card:16px;
  --radius-sm:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-card:0 8px 28px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.05);
  --shadow-pop:0 18px 48px rgba(0,0,0,.5);
  --side-w:232px;
  --top-h:60px;
  --gap:24px;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:var(--bg-0);
  color:var(--text-2);
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--primary-hover);}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;color:var(--text-1);letter-spacing:-0.01em;line-height:1.25;}
h1{font-size:clamp(28px,3.4vw,48px);font-weight:700;}
h2{font-size:clamp(24px,2.4vw,32px);font-weight:700;}
h3{font-size:20px;font-weight:600;line-height:1.4;}
p{margin:0 0 18px;line-height:1.8;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
::selection{background:var(--primary-soft);color:var(--text-1);}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}

/* 背景母题：细网底线 + 方位刻度 */
body::before{
  content:"";
  position:fixed;inset:0;
  background-image:
    linear-gradient(var(--line-2) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-2) 1px, transparent 1px);
  background-size:64px 64px;
  opacity:.55;
  pointer-events:none;
  z-index:0;
}
body::after{
  content:"";
  position:fixed;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(47,227,198,.35),transparent);
  z-index:2;pointer-events:none;
}

/* 布局骨架 */
.shell{position:relative;z-index:1;}
.sidebar{
  position:fixed;top:0;left:0;
  width:var(--side-w);height:100vh;
  padding:24px 16px 20px;
  background:linear-gradient(180deg,rgba(11,29,38,.96),rgba(6,19,26,.96));
  border-right:1px solid var(--line);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  display:flex;flex-direction:column;gap:22px;
  overflow-y:auto;z-index:60;
}
.brand{display:flex;align-items:center;gap:10px;padding:6px 8px 0;}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:11px;
  background:linear-gradient(145deg,var(--primary),var(--primary-active));
  display:grid;place-items:center;color:#04211C;font-weight:700;font-size:15px;
  box-shadow:0 0 0 1px rgba(47,227,198,.35),0 6px 18px rgba(47,227,198,.22);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-name{color:var(--text-1);font-weight:700;font-size:15px;letter-spacing:-.01em;}
.brand-sub{color:var(--text-3);font-size:11.5px;letter-spacing:.04em;}
.nav-label{
  display:block;color:var(--text-3);font-size:12px;letter-spacing:.16em;
  padding:0 10px 10px;text-transform:uppercase;
}
.nav{display:flex;flex-direction:column;gap:4px;}
.nav-item{
  position:relative;display:flex;align-items:center;gap:11px;
  padding:11px 12px;border-radius:12px;
  color:var(--text-2);font-size:14.5px;
  border:1px solid transparent;
  transition:background .12s ease,transform .12s ease,color .12s ease,border-color .12s ease;
}
.nav-item:hover{background:var(--bg-3);color:var(--text-1);transform:translateX(2px);}
.nav-item .ico{
  width:19px;height:19px;flex:0 0 19px;
  fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;
}
.nav-item.active{
  background:rgba(47,227,198,.10);
  border-color:rgba(47,227,198,.24);
  color:var(--text-1);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
}
.nav-item.active::before{
  content:"";position:absolute;left:-1px;top:9px;bottom:9px;width:3px;
  border-radius:3px;background:var(--primary);
  box-shadow:0 0 12px rgba(47,227,198,.7);
}
.side-card{
  margin-top:auto;
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  padding:16px;
  box-shadow:var(--shadow-card);
}
.side-card h4{font-size:14px;margin-bottom:6px;}
.side-card p{font-size:12.5px;line-height:1.7;color:var(--text-3);margin-bottom:12px;}
.side-card .btn{width:100%;justify-content:center;}

.main{margin-left:var(--side-w);min-height:100vh;}
.container{max-width:1280px;margin:0 auto;padding:0 32px;}

/* 顶部栏（移动端） */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:var(--top-h);
  align-items:center;gap:12px;padding:0 16px;
  background:rgba(6,19,26,.94);border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  z-index:70;
}
.topbar .brand{padding:0;}
.menu-btn{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  background:rgba(255,255,255,.05);display:grid;place-items:center;
  color:var(--text-1);cursor:pointer;padding:0;
}
.menu-btn span{display:block;width:16px;height:1.6px;background:currentColor;margin:2.6px 0;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(3,10,14,.66);
  opacity:0;visibility:hidden;transition:opacity .2s ease;z-index:80;
}
.drawer-mask.show{opacity:1;visibility:visible;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 20px;border-radius:var(--radius-btn);
  font-size:14.5px;font-weight:600;cursor:pointer;
  border:1px solid transparent;background:transparent;
  transition:all .18s ease;line-height:1.2;
}
.btn-primary{
  background:var(--primary);color:#04211C;border-color:var(--primary);
  box-shadow:0 0 0 1px rgba(47,227,198,.35),0 0 22px rgba(47,227,198,.32);
}
.btn-primary:hover{
  background:var(--primary-hover);color:#04211C;
  box-shadow:0 0 0 1px rgba(107,240,218,.5),0 0 30px rgba(47,227,198,.55);
  transform:translateY(-1px);
}
.btn-primary:active{background:var(--primary-active);transform:translateY(1px);box-shadow:0 0 0 1px rgba(23,191,165,.5),0 0 14px rgba(47,227,198,.35);}
.btn-ghost{border-color:rgba(47,227,198,.45);color:var(--primary);}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-hover);border-color:var(--primary);}
.btn-sm{padding:9px 15px;font-size:13.5px;}
.btn-block{width:100%;justify-content:center;}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;box-shadow:none;transform:none;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;color:var(--primary);
  font-size:14px;font-weight:600;border:0;background:none;padding:0;cursor:pointer;
}
.btn-text .arrow{transition:transform .18s ease;}
.btn-text:hover .arrow{transform:translateX(3px);}

/* 标签 / 徽章 */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:999px;
  font-size:12.5px;letter-spacing:.02em;
  border:1px solid rgba(47,227,198,.4);color:var(--primary);
  background:var(--primary-soft);white-space:nowrap;
}
.badge-accent{border-color:rgba(255,178,92,.45);color:var(--accent);background:rgba(255,178,92,.10);}
.badge-plain{border-color:var(--line);color:var(--text-2);background:rgba(255,255,255,.04);}

/* 卡片 */
.card{
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  padding:24px;
  transition:transform .18s ease,border-color .18s ease;
}
.card:hover{transform:translateY(-2px);border-color:rgba(47,227,198,.35);}
.card h3{margin-bottom:10px;}
.card p{font-size:14.5px;color:var(--text-2);}

/* Hero */
.hero{position:relative;padding:72px 0 64px;overflow:hidden;}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.6;z-index:0;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(6,19,26,.94) 0%,rgba(6,19,26,.78) 45%,rgba(6,19,26,.6) 100%);
}
.hero .container{position:relative;z-index:1;}
.crumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;color:var(--text-3);margin-bottom:22px;}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--primary);}
.crumb .sep{color:var(--line);}
.hero h1{max-width:15em;margin-bottom:16px;}
.hero h1 .hl{
  color:var(--primary);
  box-shadow:inset 0 -10px 0 rgba(47,227,198,.16);
  text-shadow:0 0 26px rgba(47,227,198,.35);
}
.hero .lead{font-size:17px;color:var(--text-2);max-width:40em;margin-bottom:12px;}
.hero .sub{font-size:14px;color:var(--text-3);max-width:44em;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.trust{display:flex;flex-wrap:wrap;gap:10px;}
.trust span{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  font-size:13px;color:var(--text-2);
}
.trust span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 8px rgba(47,227,198,.8);}

/* 板块通用 */
.section{padding:80px 0;position:relative;}
.section.alt{background:var(--bg-1);border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2);}
.sec-head{max-width:760px;margin-bottom:40px;}
.sec-head h2{margin-bottom:12px;}
.sec-head p{color:var(--text-2);font-size:15.5px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}

/* 图文左右交替 */
.zig{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding:34px 0;}
.zig + .zig{border-top:1px solid var(--line-2);}
.zig-media{position:relative;border-radius:var(--radius-img);overflow:hidden;border:1px solid var(--line);}
.zig-media img{width:100%;height:320px;object-fit:cover;border-radius:var(--radius-img);}
.zig-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,19,26,0) 40%,rgba(6,19,26,.55) 100%);
}
.zig-body{padding-right:8px;}
.zig-body h3{margin:14px 0 12px;}
.zig-body p{font-size:15px;color:var(--text-2);}
.zig-list{margin:16px 0 22px;display:flex;flex-direction:column;gap:10px;}
.zig-list li{
  display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--text-2);
}
.zig-list li::before{
  content:"";flex:0 0 6px;width:6px;height:6px;margin-top:10px;border-radius:50%;
  background:var(--accent);
}
.zig:nth-child(even) .zig-media{order:2;}
.zig:nth-child(even) .zig-body{padding-right:0;padding-left:8px;}

/* 行记录（左标签右说明） */
.rows{border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;background:rgba(255,255,255,.04);}
.row{display:grid;grid-template-columns:200px 1fr;gap:18px;padding:18px 24px;min-height:44px;align-items:center;}
.row + .row{border-top:1px solid var(--line-2);}
.row .k{color:var(--text-1);font-size:14.5px;font-weight:600;}
.row .v{color:var(--text-2);font-size:14.5px;margin:0;}

/* 三步网格（非等分） */
.grid-12{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--gap);}
.col-7{grid-column:span 7;}
.col-5{grid-column:span 5;}
.col-6{grid-column:span 6;}
.col-4{grid-column:span 4;}
.col-8{grid-column:span 8;}
.step-card{display:flex;gap:16px;align-items:flex-start;}
.step-num{
  flex:0 0 46px;width:46px;height:46px;border-radius:12px;
  border:1px solid rgba(255,178,92,.45);color:var(--accent);
  display:grid;place-items:center;font-size:15px;font-weight:700;
  background:rgba(255,178,92,.08);
}
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}
.stat{
  padding:20px;border-radius:var(--radius-sm);border:1px solid var(--line);
  background:rgba(255,255,255,.05);
}
.stat .num{display:block;color:var(--accent);font-size:26px;font-weight:700;line-height:1.2;margin-bottom:4px;}
.stat .lbl{font-size:13.5px;color:var(--text-2);}

/* 场景卡 */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--gap);}
.scene{display:flex;flex-direction:column;}
.scene .thumb{
  border-radius:var(--radius-img);overflow:hidden;border:1px solid var(--line);margin-bottom:16px;
}
.scene .thumb img{width:100%;height:190px;object-fit:cover;}
.scene h3{font-size:17px;margin-bottom:8px;}
.scene p{font-size:14px;color:var(--text-2);}

/* FAQ */
.faq{max-width:920px;margin:0 auto;}
.faq details{
  border:1px solid var(--line);border-radius:var(--radius-sm);
  background:rgba(255,255,255,.06);
  box-shadow:var(--shadow-card);
  margin-bottom:12px;overflow:hidden;
}
.faq summary{
  list-style:none;cursor:pointer;padding:18px 52px 18px 22px;position:relative;
  color:var(--text-1);font-size:15.5px;font-weight:600;
  transition:background .16s ease;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{
  content:"";position:absolute;right:22px;top:50%;width:9px;height:9px;
  border-right:1.8px solid var(--primary);border-bottom:1.8px solid var(--primary);
  transform:translateY(-70%) rotate(45deg);transition:transform .2s ease;
}
.faq details[open] summary::after{transform:translateY(-30%) rotate(-135deg);}
.faq summary:hover{background:rgba(47,227,198,.07);}
.faq .ans{padding:0 22px 20px;color:var(--text-2);font-size:14.5px;line-height:1.85;border-top:1px solid var(--line-2);padding-top:16px;}

/* CTA */
.cta{
  position:relative;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--radius-card);
  background:rgba(255,255,255,.06);
  box-shadow:var(--shadow-card);
  padding:40px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;
}
.cta::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;opacity:.28;
}
.cta > *{position:relative;z-index:1;}
.cta h2{font-size:clamp(22px,2.1vw,28px);margin-bottom:12px;}
.cta p{font-size:14.5px;color:var(--text-2);}
.cta-points{display:flex;flex-direction:column;gap:10px;margin-top:18px;}
.cta-points li{display:flex;gap:10px;font-size:14px;color:var(--text-2);}
.cta-points li::before{content:"✓";color:var(--primary);font-weight:700;}

/* 表单 */
.form-grid{display:grid;gap:14px;}
.field{display:flex;flex-direction:column;gap:7px;}
.field label{font-size:13.5px;color:var(--text-2);font-weight:600;}
.field input,.field textarea,.field select{
  background:#0C2029;border:1px solid var(--line);
  border-radius:var(--radius-btn);padding:11px 14px;
  color:var(--text-1);font-size:14.5px;width:100%;
  transition:border-color .16s ease,box-shadow .16s ease;
}
.field textarea{min-height:96px;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(47,227,198,.20);
}
.field.error input,.field.error textarea{border-color:var(--err);}
.field .err-msg{font-size:12.5px;color:var(--err);display:none;}
.field.error .err-msg{display:block;}
.form-note{font-size:12.5px;color:var(--text-3);margin-top:10px;}

/* 底部固定转化条 */
.dockbar{
  position:fixed;right:28px;bottom:28px;z-index:90;
  display:flex;align-items:center;gap:12px;
  padding:12px 14px 12px 18px;border-radius:999px;
  background:rgba(11,29,38,.92);border:1px solid var(--line);
  box-shadow:var(--shadow-pop);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transform:translateY(20px);opacity:0;visibility:hidden;
  transition:opacity .22s ease,transform .22s ease;
}
.dockbar.show{opacity:1;visibility:visible;transform:translateY(0);}
.dock-text{font-size:13.5px;color:var(--text-2);}
.dock-close{
  border:0;background:transparent;color:var(--text-3);font-size:18px;line-height:1;
  cursor:pointer;padding:4px 6px;border-radius:6px;
}
.dock-close:hover{color:var(--text-1);background:rgba(255,255,255,.06);}

/* 页脚 */
.footer{
  border-top:1px solid var(--line);
  background:var(--bg-1);
  padding:64px 0 26px;
  margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;}
.footer h4{font-size:14.5px;margin-bottom:16px;letter-spacing:.04em;}
.footer p{font-size:13.5px;color:var(--text-3);line-height:1.8;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:13.5px;color:var(--text-2);}
.footer-links a:hover{color:var(--primary);}
.footer .brand{margin-bottom:16px;padding:0;}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line-2);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12.5px;color:var(--text-3);
}

/* 响应式 */
@media (max-width:1439px){
  .container{max-width:1280px;}
}
@media (max-width:1199px) and (min-width:1024px){
  :root{--side-w:76px;}
  .sidebar{padding:20px 12px;align-items:center;}
  .brand-text,.nav-label,.nav-text,.side-card{display:none;}
  .brand{justify-content:center;padding:0;}
  .nav-item{justify-content:center;padding:12px 0;}
  .nav-item.active::before{left:0;}
}
@media (max-width:1023px){
  .sidebar{
    transform:translateX(-100%);
    transition:transform .24s ease;
    width:264px;padding:22px 16px;height:100vh;
    z-index:90;
  }
  .sidebar.open{transform:translateX(0);}
  .topbar{display:flex;}
  .main{margin-left:0;padding-top:var(--top-h);}
  .hero{padding:48px 0 44px;}
  .container{padding:0 24px;}
  .zig{grid-template-columns:1fr;gap:24px;padding:28px 0;}
  .zig:nth-child(even) .zig-media{order:0;}
  .zig:nth-child(even) .zig-body{padding-left:0;}
  .zig-body{padding-right:0;}
  .zig-media img{height:260px;}
  .grid-12{grid-template-columns:repeat(6,1fr);}
  .col-7,.col-5,.col-6,.col-4,.col-8{grid-column:span 6;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .cta{grid-template-columns:1fr;padding:32px;gap:28px;}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
  .section{padding:56px 0;}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .sec-head{margin-bottom:28px;}
  .scene-grid{grid-template-columns:1fr;}
  .row{grid-template-columns:1fr;gap:6px;padding:16px 18px;}
  .card{padding:18px;}
  .cta{padding:24px;border-radius:var(--radius-sm);}
  .faq summary{padding:16px 46px 16px 18px;font-size:15px;}
  .faq .ans{padding:14px 18px 18px;}
  .hero-actions .btn{width:100%;justify-content:center;}
  .dockbar{
    left:0;right:0;bottom:0;border-radius:0;border-left:0;border-right:0;
    padding:12px 16px calc(12px + env(safe-area-inset-bottom));
    justify-content:space-between;
  }
  .dock-text{display:none;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer{padding:48px 0 24px;}
}
@media (max-width:480px){
  h1{font-size:26px;}
  .stat-strip{grid-template-columns:1fr;}
  .step-num{flex:0 0 40px;width:40px;height:40px;font-size:14px;}
  .trust span{font-size:12.5px;padding:6px 11px;}
}

/* roulang page: category2 */
:root{
  --bg-0:#06131A;
  --bg-1:#0B1D26;
  --bg-2:#102833;
  --bg-3:#16323E;
  --primary:#2FE3C6;
  --primary-hover:#6BF0DA;
  --primary-active:#17BFA5;
  --primary-soft:rgba(47,227,198,.12);
  --accent:#FFB25C;
  --text-1:#EAF6F5;
  --text-2:#A9C2C4;
  --text-3:#6F8A8E;
  --line:rgba(122,215,205,.16);
  --line-2:rgba(122,215,205,.09);
  --ok:#35D07F;
  --warn:#FFB25C;
  --err:#FF6B6B;
  --info:#56A8FF;
  --shadow-card:0 8px 28px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.05);
  --shadow-float:0 18px 48px rgba(0,0,0,.5);
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --r-input:10px;
  --sidebar-w:232px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);background:var(--bg-2)}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;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;border-radius:6px}

/* ---------- 左侧 App Shell ---------- */
.shell{display:flex;min-height:100vh}
.sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--sidebar-w);
  display:flex;
  flex-direction:column;
  gap:22px;
  padding:24px 16px 20px;
  background:rgba(11,29,38,.74);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-right:1px solid var(--line);
  box-shadow:inset -1px 0 0 rgba(255,255,255,.03);
  z-index:70;
  transition:width .22s ease,transform .28s ease;
  overflow-y:auto;
}
.brand{display:flex;flex-direction:column;gap:4px;padding:0 6px 16px;border-bottom:1px solid var(--line-2);position:relative}
.brand-mark{
  font-size:18px;
  font-weight:700;
  color:var(--text-1);
  letter-spacing:.01em;
  display:inline-block;
}
.brand-mark::before{
  content:"";
  display:inline-block;
  width:8px;height:8px;
  margin-right:8px;
  border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 0 4px var(--primary-soft);
  vertical-align:middle;
}
.brand-sub{font-size:13px;color:var(--text-3);line-height:1.6}
.nav{display:flex;flex-direction:column;gap:6px;position:relative}
.nav-label{font-size:12px;color:var(--text-3);letter-spacing:.16em;padding:0 8px 6px}
.nav-item{
  position:relative;
  display:flex;
  align-items:center;
  gap:12px;
  padding:11px 12px;
  border-radius:12px;
  color:var(--text-2);
  font-size:15px;
  transition:background .12s ease,color .12s ease,transform .12s ease;
}
.nav-item .ico{width:19px;height:19px;flex:none;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.nav-item:hover{background:var(--bg-3);color:var(--text-1);transform:translateX(2px)}
.nav-item.active{
  background:rgba(47,227,198,.1);
  color:var(--text-1);
  box-shadow:inset 0 0 0 1px rgba(47,227,198,.28);
}
.nav-item.active::before{
  content:"";
  position:absolute;left:0;top:50%;
  transform:translateY(-50%);
  width:3px;height:22px;
  border-radius:0 3px 3px 0;
  background:var(--primary);
  box-shadow:0 0 12px rgba(47,227,198,.75);
}
.side-card{
  margin-top:auto;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:16px;
  box-shadow:var(--shadow-card);
}
.side-card-title{font-size:14px;font-weight:700;color:var(--text-1);margin-bottom:6px}
.side-card-text{font-size:13px;line-height:1.7;color:var(--text-3);margin-bottom:12px}
.drawer-close{
  display:none;
  position:absolute;top:2px;right:0;
  width:32px;height:32px;
  align-items:center;justify-content:center;
  border-radius:9px;
  border:1px solid var(--line);
  background:transparent;
  color:var(--text-2);
  font-size:18px;
  cursor:pointer;
}
.drawer-close:hover{background:var(--bg-3);color:var(--text-1)}

/* ---------- 顶部栏（移动端） ---------- */
.topbar{
  display:none;
  position:fixed;top:0;left:0;right:0;
  height:60px;
  align-items:center;
  gap:12px;
  padding:0 16px;
  background:rgba(9,24,32,.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  z-index:60;
}
.topbar .brand-mark{font-size:16px}
.hamburger{
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;
  border:1px solid var(--line);
  background:var(--bg-2);
  color:var(--text-1);
  cursor:pointer;
}
.hamburger svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round}
.hamburger:hover{background:var(--bg-3)}
.topbar-spacer{flex:1}
.drawer-mask{
  display:none;
  position:fixed;inset:0;
  background:rgba(3,10,14,.66);
  opacity:0;
  pointer-events:none;
  transition:opacity .24s ease;
  z-index:65;
}
.drawer-mask.show{opacity:1;pointer-events:auto}

/* ---------- 主区域 ---------- */
.main{
  flex:1;
  margin-left:var(--sidebar-w);
  min-width:0;
  position:relative;
}
.main::before{
  content:"";
  position:fixed;
  inset:0;
  left:var(--sidebar-w);
  background-image:
    linear-gradient(var(--line-2) 1px,transparent 1px),
    linear-gradient(90deg,var(--line-2) 1px,transparent 1px);
  background-size:72px 72px;
  opacity:.55;
  pointer-events:none;
  z-index:0;
}
.container{
  position:relative;
  z-index:1;
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding:0 32px;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 24px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .12s ease,box-shadow .18s ease,background .16s ease,color .16s ease,border-color .16s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--primary);
  color:#04231F;
  box-shadow:0 0 0 1px rgba(47,227,198,.4),0 0 22px rgba(47,227,198,.35);
}
.btn-primary:hover{background:var(--primary-hover);box-shadow:0 0 0 1px rgba(107,240,218,.55),0 0 30px rgba(47,227,198,.5)}
.btn-primary:active{background:var(--primary-active);transform:translateY(1px)}
.btn-ghost{
  background:transparent;
  color:var(--primary);
  border-color:rgba(47,227,198,.5);
}
.btn-ghost:hover{background:var(--primary-soft);border-color:var(--primary)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-xs{padding:8px 14px;font-size:13px}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;box-shadow:none}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);font-weight:600;font-size:15px;
}
.link-arrow::after{content:"→";transition:transform .16s ease}
.link-arrow:hover::after{transform:translateX(2px)}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--line-2);
  padding:76px 0 60px;
  margin-bottom:8px;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-1.webp);
  background-size:cover;
  background-position:center;
  opacity:.38;
}
.hero::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,19,26,.7) 0%,rgba(6,19,26,.88) 55%,var(--bg-0) 100%);
}
.hero-inner{position:relative;z-index:2;max-width:760px}
.crumbs{font-size:13px;color:var(--text-3);margin-bottom:18px}
.crumbs a{color:var(--text-3)}
.crumbs a:hover{color:var(--primary)}
.crumbs span{margin:0 8px;color:var(--text-3)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;
  padding:6px 14px;
  border-radius:999px;
  border:1px solid rgba(47,227,198,.4);
  color:var(--primary);
  background:var(--primary-soft);
  margin-bottom:20px;
}
h1{
  font-size:clamp(30px,4.4vw,48px);
  font-weight:700;
  margin-bottom:18px;
}
h1 .hl{
  color:var(--primary);
  box-shadow:inset 0 -10px 0 rgba(47,227,198,.14);
}
.hero-lead{font-size:18px;color:var(--text-1);margin-bottom:10px;line-height:1.8}
.hero-sub{font-size:15px;color:var(--text-2);margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  font-size:13px;
  padding:7px 15px;
  border-radius:999px;
  border:1px solid var(--line);
  color:var(--text-2);
  background:rgba(255,255,255,.03);
}
.chip b{color:var(--primary);font-weight:600}

/* ---------- 板块 ---------- */
.section{padding:64px 0}
.section.tight{padding:44px 0}
.section-head{max-width:760px;margin-bottom:34px}
.section-head h2{font-size:clamp(24px,2.6vw,32px);font-weight:700;margin-bottom:12px}
.section-head p{color:var(--text-2);font-size:15.5px}
.section-head .divider{
  width:56px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--primary),rgba(47,227,198,0));
  margin-top:18px;
}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:34px}

/* ---------- 数据条 ---------- */
.stats{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
}
.stat{
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px 24px;
  box-shadow:var(--shadow-card);
}
.stat .num{font-size:30px;font-weight:700;color:var(--accent);line-height:1.2}
.stat .num small{font-size:14px;color:var(--text-3);font-weight:500;margin-left:4px}
.stat .txt{font-size:14px;color:var(--text-2);margin-top:6px}

/* ---------- 双列图文卡网格 ---------- */
.card-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.card{
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform .16s ease,border-color .16s ease,box-shadow .18s ease;
}
.card:hover{
  transform:translateY(-2px);
  border-color:rgba(47,227,198,.35);
  box-shadow:0 14px 34px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.06);
}
.card-media{position:relative;aspect-ratio:16/9;background:var(--bg-3)}
.card-media img{width:100%;height:100%;object-fit:cover;border-radius:0}
.card-media .tag-float{
  position:absolute;top:14px;left:14px;
  font-size:12px;
  padding:5px 12px;
  border-radius:999px;
  background:rgba(6,19,26,.78);
  border:1px solid rgba(47,227,198,.42);
  color:var(--primary);
  backdrop-filter:blur(6px);
}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:20px;font-weight:700;color:var(--text-1)}
.card-body p{font-size:15px;color:var(--text-2);line-height:1.8}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px}
.tag{
  font-size:12.5px;
  padding:5px 12px;
  border-radius:999px;
  border:1px solid var(--line);
  color:var(--text-2);
  background:rgba(255,255,255,.02);
}
.tag.accent{border-color:rgba(255,178,92,.4);color:var(--accent)}

/* ---------- 自查清单（左标签右值） ---------- */
.checklist{
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-card);
}
.row{
  display:grid;
  grid-template-columns:230px 1fr;
  gap:20px;
  padding:18px 26px;
  min-height:44px;
  align-items:center;
  border-bottom:1px solid var(--line-2);
  transition:background .14s ease;
}
.row:last-child{border-bottom:0}
.row:hover{background:var(--bg-3)}
.row .k{
  font-size:14px;
  color:var(--accent);
  font-weight:600;
  letter-spacing:.01em;
}
.row .v{font-size:15px;color:var(--text-2)}
.row .v strong{color:var(--text-1);font-weight:600}

/* ---------- 风险对照 ---------- */
.compare{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.panel{
  border-radius:var(--r-card);
  padding:26px;
  border:1px solid var(--line);
  background:var(--bg-2);
  box-shadow:var(--shadow-card);
}
.panel.warn{border-color:rgba(255,178,92,.32)}
.panel h3{font-size:19px;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.panel h3 .dot{width:9px;height:9px;border-radius:50%;background:var(--accent)}
.panel.safe h3 .dot{background:var(--primary)}
.panel li{
  position:relative;
  padding-left:18px;
  font-size:15px;
  color:var(--text-2);
  line-height:1.8;
  margin-bottom:10px;
}
.panel li::before{
  content:"";
  position:absolute;left:0;top:12px;
  width:6px;height:6px;border-radius:50%;
  background:var(--text-3);
}
.panel.safe li::before{background:var(--primary)}

/* ---------- FAQ ---------- */
.faq-item{
  background:rgba(255,255,255,.06);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border:1px solid var(--line);
  border-radius:14px;
  margin-bottom:14px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
  overflow:hidden;
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:19px 24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  font-size:16.5px;
  font-weight:600;
  color:var(--text-1);
  transition:background .14s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";
  flex:none;
  width:26px;height:26px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  border:1px solid rgba(47,227,198,.4);
  color:var(--primary);
  font-size:16px;
  line-height:1;
  transition:transform .18s ease,background .18s ease;
}
.faq-item[open] summary::after{content:"–";background:var(--primary-soft);transform:rotate(180deg)}
.faq-item summary:hover{background:rgba(255,255,255,.04)}
.faq-body{padding:0 24px 22px;color:var(--text-2);font-size:15px;line-height:1.85}

/* ---------- CTA ---------- */
.cta{
  position:relative;
  overflow:hidden;
  border-radius:20px;
  border:1px solid var(--line);
  background:var(--bg-2);
  box-shadow:var(--shadow-card);
  padding:48px 40px;
  display:grid;
  grid-template-columns:1.4fr .9fr;
  gap:32px;
  align-items:center;
}
.cta::before{
  content:"";
  position:absolute;right:-60px;top:-60px;
  width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,227,198,.16),rgba(47,227,198,0) 68%);
}
.cta-text{position:relative;z-index:2}
.cta-text h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:12px}
.cta-text p{color:var(--text-2);font-size:15.5px;max-width:560px}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px}
.cta-media{position:relative;z-index:2;border-radius:var(--r-img);overflow:hidden}
.cta-media img{width:100%;height:220px;object-fit:cover}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:72px;
  border-top:1px solid var(--line);
  background:var(--bg-1);
  padding:56px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr .8fr .8fr 1fr;
  gap:32px;
}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text-1)}
.footer-col p,.footer-col li{font-size:14px;color:var(--text-3);line-height:1.85}
.footer-col li{margin-bottom:9px}
.footer-col a{color:var(--text-2)}
.footer-col a:hover{color:var(--primary)}
.footer-brand .brand-mark{margin-bottom:12px}
.footer-contact li{display:flex;gap:8px}
.footer-contact span{color:var(--text-3);flex:none}
.copyright{
  margin-top:40px;
  padding-top:22px;
  border-top:1px solid var(--line-2);
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--text-3);
}

/* ---------- 底部转化条 ---------- */
.float-bar{
  position:fixed;
  right:26px;bottom:26px;
  z-index:80;
  display:flex;
  align-items:center;
  gap:14px;
  padding:12px 16px;
  border-radius:999px;
  background:rgba(16,40,51,.94);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(47,227,198,.3);
  box-shadow:var(--shadow-float);
  transform:translateY(24px);
  opacity:0;
  pointer-events:none;
  transition:opacity .26s ease,transform .26s ease;
}
.float-bar.show{opacity:1;transform:none;pointer-events:auto}
.float-bar.dismissed{display:none}
.float-text{font-size:14px;color:var(--text-2)}
.float-link{font-size:14px;color:var(--primary)}
.float-link:hover{color:var(--primary-hover)}
.float-close{
  width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);
  background:transparent;color:var(--text-3);
  font-size:14px;line-height:1;cursor:pointer;
}
.float-close:hover{color:var(--text-1);background:var(--bg-3)}

/* ---------- 响应式 ---------- */
@media (min-width:1440px){
  .container{max-width:1360px}
}
@media (max-width:1199px) and (min-width:1024px){
  :root{--sidebar-w:76px}
  .sidebar{padding:22px 12px 18px;align-items:center;gap:18px}
  .brand{align-items:center;padding:0 0 14px}
  .brand-mark::before{margin-right:0}
  .brand-sub{display:none}
  .brand-mark{font-size:0;width:36px;height:36px;border-radius:12px;background:var(--primary-soft);display:inline-flex;align-items:center;justify-content:center}
  .brand-mark::before{width:10px;height:10px;margin:0}
  .nav-label{display:none}
  .nav{width:100%;align-items:center}
  .nav-item{justify-content:center;padding:12px;width:100%}
  .nav-item .nav-text{
    position:absolute;
    left:64px;
    top:50%;
    transform:translateY(-50%);
    background:var(--bg-2);
    border:1px solid var(--line);
    padding:6px 12px;
    border-radius:8px;
    font-size:13px;
    color:var(--text-1);
    white-space:nowrap;
    opacity:0;
    pointer-events:none;
    transition:opacity .14s ease;
    box-shadow:var(--shadow-card);
    z-index:5;
  }
  .nav-item:hover .nav-text{opacity:1}
  .side-card{display:none}
}
@media (max-width:1023px){
  .sidebar{
    width:280px;
    transform:translateX(-102%);
    background:rgba(9,24,32,.97);
    padding-top:22px;
  }
  .sidebar.open{transform:none}
  .drawer-close{display:inline-flex}
  .drawer-mask{display:block}
  .topbar{display:flex}
  .main{margin-left:0;padding-top:60px}
  .main::before{left:0}
  .container{padding:0 24px}
  .hero{padding:48px 0 44px}
  .section{padding:52px 0}
  .card-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr;gap:14px}
  .compare{grid-template-columns:1fr}
  .row{grid-template-columns:1fr;gap:6px;padding:16px 20px}
  .cta{grid-template-columns:1fr;padding:34px 24px}
  .cta-media img{height:180px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .float-bar{
    right:16px;left:16px;bottom:0;
    border-radius:16px 16px 0 0;
    padding:12px 16px calc(12px + env(safe-area-inset-bottom));
    justify-content:space-between;
    flex-wrap:wrap;
  }
  .float-text{flex:1 1 100%;font-size:13px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .hero-actions .btn{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr}
  .section{padding:44px 0}
  .section.tight{padding:32px 0}
  .card-body{padding:18px}
  .stat{padding:18px}
  .cta{padding:28px 18px}
}
@media (max-width:480px){
  h1{font-size:27px}
  .hero-lead{font-size:16px}
  .card-media .tag-float{top:10px;left:10px}
  .float-bar .btn{width:100%}
}

/* roulang page: category4 */
:root{
  --bg-0:#06131A;
  --bg-1:#0B1D26;
  --bg-2:#102833;
  --bg-3:#16323E;
  --primary:#2FE3C6;
  --primary-hover:#6BF0DA;
  --primary-active:#17BFA5;
  --primary-soft:rgba(47,227,198,.12);
  --accent:#FFB25C;
  --text-1:#EAF6F5;
  --text-2:#A9C2C4;
  --text-3:#6F8A8E;
  --line:rgba(122,215,205,.16);
  --line-2:rgba(122,215,205,.09);
  --ok:#35D07F;
  --warn:#FFB25C;
  --err:#FF6B6B;
  --info:#56A8FF;
  --glass:rgba(255,255,255,.07);
  --glass-strong:rgba(255,255,255,.10);
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --r-input:10px;
  --shadow-card:0 8px 28px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.05);
  --shadow-pop:0 18px 48px rgba(0,0,0,.5);
  --glow:0 0 0 1px rgba(47,227,198,.35), 0 10px 30px rgba(47,227,198,.22);
  --sidebar-w:232px;
  --container:1280px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden;}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:inherit;text-decoration:none;transition:color .18s ease;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;line-height:1.25;font-weight:700;}
p{margin:0 0 18px;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}

/* ============ 侧边导航 ============ */
.sidebar{
  position:fixed;
  top:0;left:0;
  width:var(--sidebar-w);
  height:100vh;
  padding:26px 18px 22px;
  background:linear-gradient(180deg,rgba(16,40,51,.92),rgba(6,19,26,.94));
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-right:1px solid var(--line);
  display:flex;
  flex-direction:column;
  gap:22px;
  z-index:60;
  overflow-y:auto;
}
.brand{display:flex;align-items:center;gap:10px;padding:0 6px 4px;}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:11px;
  background:radial-gradient(120% 120% at 20% 15%,rgba(47,227,198,.9),rgba(47,227,198,.15));
  border:1px solid rgba(47,227,198,.5);
  box-shadow:0 0 18px rgba(47,227,198,.35);
  display:flex;align-items:center;justify-content:center;
  color:#04231E;font-weight:800;font-size:15px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-name{font-size:15px;font-weight:700;color:var(--text-1);letter-spacing:.01em;}
.brand-sub{font-size:12px;color:var(--text-3);}
.nav{display:flex;flex-direction:column;gap:4px;}
.nav-label{
  font-size:12px;color:var(--text-3);letter-spacing:.16em;
  padding:0 12px 8px;
}
.nav-item{
  position:relative;
  display:flex;align-items:center;gap:11px;
  padding:11px 12px;
  border-radius:11px;
  color:var(--text-2);
  font-size:14.5px;
  border:1px solid transparent;
  transition:background .18s ease,color .18s ease,transform .12s ease,border-color .18s ease;
}
.nav-item .ico{
  width:19px;height:19px;flex:0 0 19px;
  fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;
  color:var(--text-3);
  transition:color .18s ease;
}
.nav-item:hover{background:var(--bg-3);color:var(--text-1);transform:translateX(2px);}
.nav-item:hover .ico{color:var(--primary);}
.nav-item.active{
  background:var(--glass-strong);
  border-color:rgba(47,227,198,.28);
  color:var(--text-1);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.nav-item.active .ico{color:var(--primary);}
.nav-item.active::before{
  content:"";position:absolute;left:-18px;top:50%;transform:translateY(-50%);
  width:3px;height:22px;border-radius:0 3px 3px 0;
  background:var(--primary);
  box-shadow:0 0 12px rgba(47,227,198,.7);
}
.side-foot{
  margin-top:auto;
  padding:16px;
  border-radius:14px;
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.side-foot h4{font-size:13.5px;color:var(--text-1);margin-bottom:6px;}
.side-foot p{font-size:12.8px;color:var(--text-3);line-height:1.7;margin-bottom:12px;}
.side-foot .btn{width:100%;justify-content:center;font-size:13.5px;padding:9px 12px;}

/* ============ 移动端顶栏与抽屉 ============ */
.topbar{
  display:none;
  position:fixed;top:0;left:0;right:0;height:60px;
  align-items:center;justify-content:space-between;
  padding:0 16px;
  background:rgba(6,19,26,.94);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  z-index:70;
}
.topbar .brand{padding:0;}
.burger{
  width:42px;height:42px;border-radius:11px;
  background:var(--glass);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;cursor:pointer;
}
.burger span{display:block;width:18px;height:2px;background:var(--text-1);border-radius:2px;position:relative;}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text-1);border-radius:2px;
}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}
.mask{
  display:none;position:fixed;inset:0;background:rgba(3,10,14,.72);
  backdrop-filter:blur(2px);z-index:65;
}
.mask.show{display:block;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-btn);
  font-size:14.5px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .14s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{
  background:var(--primary);color:#04231E;
  box-shadow:var(--glow);
}
.btn-primary:hover{background:var(--primary-hover);box-shadow:0 0 0 1px rgba(107,240,218,.45),0 14px 36px rgba(47,227,198,.32);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(23,191,165,.6),0 6px 18px rgba(47,227,198,.22);}
.btn-ghost{
  background:transparent;color:var(--primary);border-color:rgba(47,227,198,.5);
}
.btn-ghost:hover{background:var(--primary-soft);border-color:var(--primary);}
.btn-ghost:active{transform:translateY(1px);}
.btn-text{
  background:none;border:none;color:var(--primary);padding:6px 0;font-weight:600;
  display:inline-flex;align-items:center;gap:6px;
}
.btn-text .arw{transition:transform .18s ease;}
.btn-text:hover .arw{transform:translateX(3px);}
.btn:disabled,.btn[disabled]{opacity:.4;cursor:not-allowed;box-shadow:none;}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12.5px;line-height:1.5;
  border:1px solid rgba(47,227,198,.45);
  color:var(--primary);
  background:rgba(47,227,198,.06);
}
.badge-accent{border-color:rgba(255,178,92,.5);color:var(--accent);background:rgba(255,178,92,.07);}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;}

/* ============ 主区 ============ */
.main{margin-left:var(--sidebar-w);min-height:100vh;}
.page-banner{
  position:relative;
  padding:78px 0 62px;
  background-image:linear-gradient(100deg,rgba(6,19,26,.94) 8%,rgba(6,19,26,.72) 52%,rgba(6,19,26,.86) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.page-banner::after{
  content:"";position:absolute;inset:auto 0 -1px 0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(47,227,198,.45),transparent);
}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);margin-bottom:18px;
}
.crumb a:hover{color:var(--primary);}
.crumb .sep{color:var(--line);}
.page-banner h1{
  font-size:clamp(30px,4.4vw,50px);
  max-width:820px;
  margin-bottom:16px;
}
.hl{
  color:var(--primary);
  position:relative;
  white-space:nowrap;
}
.hl::after{
  content:"";position:absolute;left:0;right:0;bottom:3px;height:7px;
  background:linear-gradient(90deg,rgba(47,227,198,.35),rgba(47,227,198,0));
  border-radius:4px;
}
.lead{
  max-width:680px;color:var(--text-2);font-size:16.5px;line-height:1.85;margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px;}
.trust-row{display:flex;flex-wrap:wrap;gap:10px;}

/* ============ 板块 ============ */
section.block{padding:88px 0;}
section.block.tight{padding:64px 0;}
.block-head{max-width:720px;margin-bottom:38px;}
.block-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.14em;color:var(--accent);margin-bottom:12px;
}
.block-kicker::before{content:"";width:22px;height:1px;background:var(--accent);}
.block-head h2{font-size:clamp(24px,3vw,32px);margin-bottom:14px;}
.block-head p{color:var(--text-2);font-size:15.5px;}

/* ============ 参数清单 ============ */
.spec-wrap{
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(16,40,51,.72),rgba(11,29,38,.72));
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:var(--shadow-card);
  overflow:hidden;
}
.spec-row{
  display:grid;
  grid-template-columns:216px 1fr;
  gap:24px;
  align-items:start;
  padding:20px 26px;
  min-height:56px;
  border-bottom:1px solid var(--line-2);
  transition:background .18s ease;
}
.spec-row:last-child{border-bottom:none;}
.spec-row:hover{background:rgba(47,227,198,.05);}
.spec-key{
  display:flex;align-items:center;gap:10px;
  font-size:14.5px;color:var(--text-1);font-weight:600;
}
.spec-no{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:26px;height:26px;padding:0 6px;
  border-radius:999px;border:1px solid rgba(255,178,92,.5);
  color:var(--accent);font-size:12.5px;font-weight:700;
}
.spec-val{color:var(--text-2);font-size:14.6px;line-height:1.8;}
.spec-val strong{color:var(--text-1);font-weight:600;}

/* ============ 渠道卡片 ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:var(--shadow-card);
  padding:26px;
  transition:transform .2s ease,border-color .2s ease,background .2s ease;
}
.card:hover{transform:translateY(-2px);border-color:rgba(47,227,198,.35);background:rgba(255,255,255,.085);}
.card h3{font-size:19px;margin-bottom:10px;}
.card p{color:var(--text-2);font-size:14.6px;}
.card-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.card-ico{
  width:42px;height:42px;border-radius:12px;
  border:1px solid rgba(47,227,198,.35);
  background:var(--primary-soft);
  display:flex;align-items:center;justify-content:center;
}
.card-ico svg{width:21px;height:21px;fill:none;stroke:var(--primary);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.card-meta{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line-2);
  font-size:13px;color:var(--text-3);
  display:flex;flex-wrap:wrap;gap:12px;
}

/* ============ 时间线 ============ */
.timeline{position:relative;padding-left:36px;}
.timeline::before{
  content:"";position:absolute;left:11px;top:8px;bottom:8px;width:1px;
  background:linear-gradient(180deg,rgba(47,227,198,.7),rgba(47,227,198,.06));
}
.tl-item{position:relative;padding:0 0 30px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-30px;top:8px;width:11px;height:11px;border-radius:50%;
  background:var(--bg-0);border:2px solid var(--primary);
  box-shadow:0 0 10px rgba(47,227,198,.55);
}
.tl-step{font-size:12.5px;color:var(--accent);letter-spacing:.1em;margin-bottom:6px;}
.tl-item h3{font-size:19px;margin-bottom:8px;}
.tl-item p{color:var(--text-2);font-size:14.8px;max-width:720px;}

/* ============ 图文分屏 ============ */
.split{
  display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;
}
.split-media img{
  width:100%;height:100%;min-height:300px;object-fit:cover;
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
}
.check-list{display:grid;gap:14px;margin-top:24px;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:14.8px;color:var(--text-2);
}
.check-list .tick{
  flex:0 0 20px;width:20px;height:20px;margin-top:4px;border-radius:50%;
  border:1px solid rgba(47,227,198,.5);background:var(--primary-soft);
  display:flex;align-items:center;justify-content:center;
}
.check-list .tick svg{width:11px;height:11px;fill:none;stroke:var(--primary);stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round;}

/* ============ 数据条 ============ */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat{
  padding:22px 20px;border-radius:14px;
  border:1px solid var(--line);background:var(--bg-1);
}
.stat b{display:block;font-size:30px;color:var(--accent);font-weight:700;letter-spacing:-.02em;line-height:1.2;}
.stat span{display:block;margin-top:6px;font-size:13.4px;color:var(--text-3);}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:960px;}
.faq-item{
  border-radius:14px;border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  overflow:hidden;
  transition:border-color .2s ease,background .2s ease;
}
.faq-item:hover{border-color:rgba(47,227,198,.32);}
.faq-item[open]{background:rgba(255,255,255,.085);border-color:rgba(47,227,198,.32);}
.faq-item summary{
  list-style:none;cursor:pointer;
  padding:19px 56px 19px 22px;
  position:relative;
  font-size:15.6px;font-weight:600;color:var(--text-1);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";position:absolute;right:22px;top:50%;
  width:9px;height:9px;margin-top:-6px;
  border-right:2px solid var(--primary);border-bottom:2px solid var(--primary);
  transform:rotate(45deg);transition:transform .22s ease;
}
.faq-item[open] summary::after{transform:rotate(-135deg);margin-top:-2px;}
.faq-body{padding:0 22px 22px;color:var(--text-2);font-size:14.8px;line-height:1.85;}

/* ============ CTA ============ */
.cta-panel{
  position:relative;overflow:hidden;
  border-radius:var(--r-card);
  border:1px solid rgba(47,227,198,.28);
  background:linear-gradient(120deg,rgba(16,40,51,.96),rgba(6,19,26,.9));
  padding:48px 44px;
  display:grid;grid-template-columns:1.4fr auto;gap:32px;align-items:center;
}
.cta-panel::before{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,227,198,.22),transparent 68%);
}
.cta-panel h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:12px;position:relative;}
.cta-panel p{color:var(--text-2);font-size:15px;max-width:560px;position:relative;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:20px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(11,29,38,.86),rgba(6,19,26,.96));
  padding:64px 0 26px;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;
}
.footer-brand .brand{margin-bottom:16px;padding:0;}
.footer-brand p{color:var(--text-3);font-size:13.8px;line-height:1.85;max-width:340px;}
.footer-col h4{font-size:14.5px;color:var(--text-1);margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{color:var(--text-3);font-size:14px;}
.footer-col a:hover{color:var(--primary);}
.footer-col p{color:var(--text-3);font-size:14px;line-height:1.8;}
.footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid var(--line-2);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  color:var(--text-3);font-size:13px;
}

/* ============ 响应式 ============ */
@media (max-width:1439px){
  .container{padding:0 28px;}
}
@media (max-width:1199px){
  :root{--sidebar-w:76px;}
  .sidebar{padding:22px 12px;align-items:center;}
  .nav-label,.brand-text,.side-foot{display:none;}
  .brand{justify-content:center;padding:0 0 6px;}
  .nav-item{justify-content:center;padding:12px 0;}
  .nav-item .nav-text{display:none;}
  .nav-item.active::before{left:-12px;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .stats{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:1023px){
  .topbar{display:flex;}
  .sidebar{
    width:264px;padding:24px 16px;
    transform:translateX(-104%);
    transition:transform .26s ease;
    align-items:stretch;
  }
  .sidebar.open{transform:translateX(0);}
  .sidebar .nav-label,.sidebar .brand-text,.sidebar .side-foot{display:block;}
  .sidebar .brand{justify-content:flex-start;padding:0 6px 4px;}
  .sidebar .nav-item{justify-content:flex-start;padding:11px 12px;}
  .sidebar .nav-item .nav-text{display:inline;}
  .sidebar .nav-item.active::before{left:-16px;}
  .main{margin-left:0;padding-top:60px;}
  .page-banner{padding:56px 0 48px;}
  section.block{padding:64px 0;}
  .split{grid-template-columns:1fr;gap:28px;}
  .cta-panel{grid-template-columns:1fr;padding:36px 26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .spec-row{grid-template-columns:1fr;gap:8px;padding:18px 20px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .grid-3{grid-template-columns:1fr;}
  .stats{grid-template-columns:repeat(2,1fr);gap:14px;}
  section.block{padding:56px 0;}
  section.block.tight{padding:44px 0;}
  .page-banner h1{font-size:28px;}
  .card{padding:20px;}
  .cta-panel{padding:30px 20px;}
  .btn{padding:11px 18px;font-size:14px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:480px){
  .page-banner{padding:44px 0 38px;}
  .hero-actions .btn{width:100%;}
  .trust-row .badge{font-size:12px;}
  .stat b{font-size:25px;}
}

/* roulang page: category3 */
:root{
  --bg-0:#06131A;
  --bg-1:#0B1D26;
  --bg-2:#102833;
  --bg-3:#16323E;
  --primary:#2FE3C6;
  --primary-hover:#6BF0DA;
  --primary-active:#17BFA5;
  --primary-soft:rgba(47,227,198,.12);
  --accent:#FFB25C;
  --text-1:#EAF6F5;
  --text-2:#A9C2C4;
  --text-3:#6F8A8E;
  --line:rgba(122,215,205,.16);
  --line-2:rgba(122,215,205,.09);
  --ok:#35D07F;
  --warn:#FFB25C;
  --err:#FF6B6B;
  --info:#56A8FF;
  --shadow-card:0 8px 28px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.05);
  --shadow-float:0 18px 48px rgba(0,0,0,.5);
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --r-input:10px;
  --sidebar-w:232px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,dl,dd{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

/* ============ 布局外壳 ============ */
.shell{display:flex;min-height:100vh;}
.main{
  margin-left:var(--sidebar-w);
  flex:1 1 auto;
  min-width:0;
  display:flex;
  flex-direction:column;
}
.wrap{
  width:100%;
  max-width:1140px;
  margin:0 auto;
  padding:0 32px;
}

/* ============ 左侧导航 ============ */
.sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--sidebar-w);
  padding:26px 18px 20px;
  background:rgba(11,29,38,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-right:1px solid var(--line);
  display:flex;
  flex-direction:column;
  gap:22px;
  z-index:60;
  transition:width .2s ease,transform .25s ease;
}
.brand{display:flex;align-items:center;gap:10px;padding:0 6px;}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;
  border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(150deg,rgba(47,227,198,.28),rgba(47,227,198,.06));
  border:1px solid rgba(47,227,198,.38);
  color:var(--primary);
  font-weight:700;
  font-size:15px;
  letter-spacing:-.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-name{font-size:15px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;}
.brand-sub{font-size:11.5px;color:var(--text-3);letter-spacing:.06em;}

.nav{display:flex;flex-direction:column;gap:4px;}
.nav-label{
  font-size:11.5px;
  color:var(--text-3);
  letter-spacing:.14em;
  padding:0 10px 6px;
}
.nav-item{
  position:relative;
  display:flex;align-items:center;gap:11px;
  height:44px;
  padding:0 12px;
  border-radius:10px;
  color:var(--text-2);
  font-size:14.5px;
  border:1px solid transparent;
  transition:background .15s ease,color .15s ease,transform .12s ease,border-color .15s ease;
}
.nav-item .ico{
  width:20px;height:20px;flex:0 0 20px;
  fill:none;stroke:currentColor;stroke-width:1.6;
  stroke-linecap:round;stroke-linejoin:round;
}
.nav-item:hover{background:var(--bg-3);color:var(--text-1);transform:translateX(2px);}
.nav-item.active{
  background:rgba(47,227,198,.10);
  border-color:rgba(47,227,198,.28);
  color:var(--text-1);
  box-shadow:0 0 0 1px rgba(47,227,198,.10),0 6px 20px rgba(47,227,198,.14);
}
.nav-item.active::before{
  content:"";position:absolute;left:-10px;top:9px;bottom:9px;width:3px;
  border-radius:0 3px 3px 0;background:var(--primary);
  box-shadow:0 0 12px rgba(47,227,198,.6);
}
.nav-text{white-space:nowrap;}

.side-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;}
.side-card{
  border:1px solid var(--line);
  background:rgba(255,255,255,.06);
  border-radius:14px;
  padding:14px;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.side-card h3{font-size:13.5px;font-weight:600;margin-bottom:6px;}
.side-card p{font-size:12.5px;color:var(--text-3);line-height:1.7;}

/* ============ 移动端顶栏 ============ */
.topbar{
  display:none;
  position:fixed;top:0;left:0;right:0;height:60px;
  align-items:center;gap:12px;
  padding:0 16px;
  background:rgba(11,29,38,.92);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  z-index:80;
}
.burger{
  width:40px;height:40px;flex:0 0 40px;
  border-radius:10px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  display:grid;place-items:center;
  cursor:pointer;
  transition:background .15s ease,border-color .15s ease;
}
.burger:hover{background:var(--bg-3);border-color:rgba(47,227,198,.35);}
.burger span{display:block;width:16px;height:1.6px;background:var(--text-1);border-radius:2px;position:relative;}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:16px;height:1.6px;background:var(--text-1);border-radius:2px;
}
.burger span::before{top:-5px;}
.burger span::after{top:5px;}
.topbar .brand{padding:0;}
.topbar .brand-name{font-size:14.5px;}
.scrim{
  display:none;
  position:fixed;inset:0;background:rgba(3,10,14,.66);
  z-index:70;
}
.scrim.show{display:block;}

/* ============ 通用元素 ============ */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.1em;color:var(--primary);
  border:1px solid rgba(47,227,198,.32);
  background:var(--primary-soft);
  border-radius:999px;
  padding:5px 13px;
}
.sec{padding:96px 0;}
.sec.tight{padding:64px 0;}
.sec-head{max-width:720px;margin-bottom:40px;}
.sec-head h2{
  font-size:32px;line-height:1.3;font-weight:700;letter-spacing:-.01em;margin-bottom:14px;
}
.sec-head p{color:var(--text-2);font-size:15.5px;}
.sec-head.line{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;}
.sec-head.line .txt{max-width:700px;}

.btn{
  display:inline-flex;align-items:center;gap:8px;
  height:46px;padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  transition:background .18s ease,box-shadow .18s ease,transform .12s ease,border-color .18s ease,color .18s ease;
}
.btn-primary{
  background:var(--primary);
  color:#04211C;
  box-shadow:0 0 0 1px rgba(47,227,198,.35),0 10px 26px rgba(47,227,198,.22);
}
.btn-primary:hover{
  background:var(--primary-hover);
  box-shadow:0 0 0 1px rgba(107,240,218,.45),0 14px 34px rgba(47,227,198,.34);
}
.btn-primary:active{background:var(--primary-active);transform:translateY(1px);}
.btn-ghost{
  background:transparent;
  border-color:rgba(47,227,198,.5);
  color:var(--primary-hover);
}
.btn-ghost:hover{background:var(--primary-soft);border-color:var(--primary);}
.btn-ghost:active{transform:translateY(1px);}
.btn[disabled],.btn.is-disabled{opacity:.4;box-shadow:none;cursor:not-allowed;transform:none;}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary-hover);font-size:14.5px;font-weight:600;
}
.btn-link .arw{transition:transform .15s ease;}
.btn-link:hover .arw{transform:translateX(3px);}

.badge{
  display:inline-flex;align-items:center;
  border-radius:999px;
  padding:3px 11px;
  font-size:12.5px;
  border:1px solid rgba(47,227,198,.36);
  color:var(--primary-hover);
  background:rgba(47,227,198,.06);
  white-space:nowrap;
}
.badge.warm{border-color:rgba(255,178,92,.42);color:var(--accent);background:rgba(255,178,92,.07);}
.badge.plain{border-color:var(--line);color:var(--text-2);background:transparent;}

.card{
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.card:hover{transform:translateY(-2px);border-color:rgba(47,227,198,.35);}
.glass{
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:var(--shadow-card);
}
.thumb{
  border-radius:var(--r-img);
  overflow:hidden;
  background:var(--bg-3);
  border:1px solid var(--line-2);
}
.thumb img{width:100%;height:100%;transition:transform .35s ease;}
.card:hover .thumb img{transform:scale(1.04);}
.divider{height:1px;background:var(--line-2);border:0;margin:0;}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:78px 0 72px;
  overflow:hidden;
  border-bottom:1px solid var(--line-2);
}
.hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  opacity:.5;
  z-index:0;
}
.hero::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(6,19,26,.94) 0%,rgba(6,19,26,.82) 46%,rgba(6,19,26,.6) 100%);
  z-index:1;
}
.hero .wrap{position:relative;z-index:2;}
.crumb{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);margin-bottom:22px;
}
.crumb a{color:var(--text-2);transition:color .15s ease;}
.crumb a:hover{color:var(--primary-hover);}
.hero-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:center;}
.hero-txt{grid-column:1 / span 7;}
.hero-visual{grid-column:8 / span 5;}
.hero h1{
  font-size:clamp(32px,4.4vw,50px);
  line-height:1.2;
  font-weight:700;
  letter-spacing:-.01em;
  margin:18px 0 16px;
}
.hero h1 .hl{
  color:var(--primary);
  box-shadow:inset 0 -8px 0 rgba(47,227,198,.16);
}
.hero-lead{color:var(--text-2);font-size:16.5px;max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}

.statusbar{
  margin-top:30px;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1px;
  background:var(--line-2);
  border:1px solid var(--line);
  border-radius:14px;
  overflow:hidden;
}
.statusbar .cell{
  background:rgba(11,29,38,.72);
  padding:14px 16px;
}
.statusbar .k{font-size:12px;color:var(--text-3);}
.statusbar .v{font-size:14.5px;font-weight:600;display:flex;align-items:center;gap:7px;margin-top:3px;}
.dot{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px rgba(53,208,127,.14);}
.dot.warm{background:var(--accent);box-shadow:0 0 0 4px rgba(255,178,92,.14);}

.hero-visual .frame{
  border-radius:18px;
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-float);
  position:relative;
}
.hero-visual .frame img{width:100%;height:360px;}
.hero-visual .frame::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,19,26,0) 40%,rgba(6,19,26,.72) 100%);
}
.float-tag{
  position:absolute;left:16px;bottom:16px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;
  border-radius:999px;
  font-size:12.5px;
  background:rgba(6,19,26,.72);
  border:1px solid var(--line);
  color:var(--text-2);
}

/* ============ 节奏总览 ============ */
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.fact{padding:26px;}
.fact .num{
  font-size:26px;font-weight:700;color:var(--accent);letter-spacing:-.02em;
  display:block;margin-bottom:12px;
}
.fact h3{font-size:19px;font-weight:600;margin-bottom:8px;}
.fact p{color:var(--text-2);font-size:14.5px;}

/* ============ 时间线 ============ */
.timeline{position:relative;margin-top:44px;}
.timeline::before{
  content:"";
  position:absolute;left:19px;top:10px;bottom:10px;width:2px;
  background:linear-gradient(180deg,var(--primary) 0%,rgba(47,227,198,.35) 55%,rgba(47,227,198,.05) 100%);
  border-radius:2px;
}
.tl-item{position:relative;padding-left:66px;padding-bottom:30px;}
.tl-item:last-child{padding-bottom:0;}
.tl-node{
  position:absolute;left:6px;top:6px;
  width:28px;height:28px;
  border-radius:50%;
  display:grid;place-items:center;
  background:var(--bg-1);
  border:1px solid rgba(255,178,92,.5);
  color:var(--accent);
  font-size:12px;font-weight:700;
  box-shadow:0 0 0 5px rgba(6,19,26,.9);
}
.tl-card{
  display:grid;
  grid-template-columns:132px 1fr;
  gap:20px;
  padding:20px;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  transition:transform .18s ease,border-color .18s ease;
}
.tl-card:hover{transform:translateY(-2px);border-color:rgba(47,227,198,.35);}
.tl-card .thumb{height:100%;min-height:96px;}
.tl-card .thumb img{height:100%;min-height:96px;}
.tl-body .meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:8px;}
.tl-body h3{font-size:20px;font-weight:600;margin-bottom:8px;}
.tl-body p{color:var(--text-2);font-size:14.8px;}
.tl-body .hint{
  margin-top:12px;font-size:13.5px;color:var(--text-3);
  border-left:2px solid rgba(47,227,198,.5);
  padding-left:10px;
}

/* ============ 礼遇类型 ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.type-card{padding:0;overflow:hidden;display:flex;flex-direction:column;}
.type-card .thumb{border-radius:0;border:0;border-bottom:1px solid var(--line-2);}
.type-card .thumb img{height:168px;}
.type-card .body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.type-card h3{font-size:19px;font-weight:600;}
.type-card p{color:var(--text-2);font-size:14.5px;flex:1;}
.tags{display:flex;flex-wrap:wrap;gap:8px;}

/* ============ 清单行 ============ */
.rows{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--bg-1);}
.row{
  display:grid;
  grid-template-columns:220px 1fr;
  gap:20px;
  padding:20px 24px;
  min-height:64px;
  align-items:center;
  border-bottom:1px solid var(--line-2);
  transition:background .15s ease;
}
.row:last-child{border-bottom:0;}
.row:hover{background:var(--bg-3);}
.row .lbl{font-size:15px;font-weight:600;color:var(--text-1);display:flex;align-items:center;gap:9px;}
.row .val{font-size:14.5px;color:var(--text-2);}
.row .lbl::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:var(--primary);flex:0 0 6px;
}

/* ============ 数据与证言 ============ */
.proof{display:grid;grid-template-columns:5fr 7fr;gap:24px;align-items:start;}
.stats{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.stat{
  padding:22px;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:14px;
}
.stat .n{font-size:30px;font-weight:700;color:var(--accent);letter-spacing:-.02em;line-height:1.2;}
.stat .t{font-size:13.5px;color:var(--text-2);margin-top:6px;}
.quotes{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.quote{padding:22px;background:var(--bg-2);border:1px solid var(--line);border-radius:14px;}
.quote:nth-child(2){margin-top:26px;}
.quote p{font-size:14.8px;color:var(--text-2);}
.quote .who{margin-top:14px;font-size:13px;color:var(--text-3);display:flex;align-items:center;gap:8px;}
.quote .who b{color:var(--text-1);font-weight:600;}
.partners{
  margin-top:34px;display:flex;flex-wrap:wrap;gap:10px;
}
.partners span{
  font-size:13px;color:var(--text-3);
  border:1px dashed var(--line);
  border-radius:999px;
  padding:6px 14px;
}

/* ============ FAQ ============ */
.faq{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq details{
  border:1px solid var(--line);
  border-radius:14px;
  background:rgba(255,255,255,.06);
  backdrop-filter:blur(15px);
  -webkit-backdrop-filter:blur(15px);
  overflow:hidden;
  transition:border-color .18s ease;
}
.faq details[open]{border-color:rgba(47,227,198,.34);}
.faq summary{
  list-style:none;cursor:pointer;
  padding:18px 22px;
  font-size:16px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary .plus{
  width:22px;height:22px;flex:0 0 22px;border-radius:50%;
  border:1px solid var(--line);
  display:grid;place-items:center;
  color:var(--primary);font-size:14px;line-height:1;
  transition:transform .2s ease,background .2s ease;
}
.faq details[open] summary .plus{transform:rotate(45deg);background:var(--primary-soft);}
.faq .ans{padding:0 22px 20px;color:var(--text-2);font-size:14.8px;}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:20px;
  border:1px solid var(--line);
  padding:52px 44px;
  background:var(--bg-1);
}
.cta-band::before{
  content:"";
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.28;
}
.cta-band::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(6,19,26,.92),rgba(6,19,26,.66));
}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;}
.cta-inner h2{font-size:30px;font-weight:700;letter-spacing:-.01em;margin-bottom:10px;}
.cta-inner p{color:var(--text-2);font-size:15px;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ============ 页脚 ============ */
.footer{
  border-top:1px solid var(--line);
  background:var(--bg-1);
  padding:60px 0 26px;
  margin-top:20px;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:34px;
}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.foot-brand .brand-mark{width:32px;height:32px;flex:0 0 32px;font-size:13px;border-radius:10px;}
.foot-brand b{font-size:15.5px;font-weight:700;}
.foot-col p{color:var(--text-3);font-size:13.8px;line-height:1.8;}
.foot-col h4{font-size:14px;font-weight:600;margin-bottom:14px;letter-spacing:.02em;}
.foot-col li{margin-bottom:9px;}
.foot-col li a{color:var(--text-2);font-size:14px;transition:color .15s ease,padding-left .15s ease;}
.foot-col li a:hover{color:var(--primary-hover);padding-left:3px;}
.foot-meta{
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;
  font-size:13.5px;color:var(--text-3);
}
.foot-meta .sep{width:1px;height:12px;background:var(--line);}
.copyline{
  margin-top:26px;padding-top:20px;border-top:1px solid var(--line-2);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}

/* ============ 悬浮转化条 ============ */
.dock{
  position:fixed;
  right:26px;bottom:26px;
  z-index:90;
  display:flex;align-items:center;gap:12px;
  padding:12px 14px 12px 18px;
  border-radius:999px;
  background:rgba(11,29,38,.92);
  border:1px solid var(--line);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:var(--shadow-float);
  transform:translateY(24px);
  opacity:0;
  pointer-events:none;
  transition:transform .25s ease,opacity .25s ease;
}
.dock.show{transform:translateY(0);opacity:1;pointer-events:auto;}
.dock .txt{font-size:13.5px;color:var(--text-2);}
.dock .close{
  width:28px;height:28px;border-radius:50%;
  border:1px solid var(--line);
  background:transparent;color:var(--text-3);
  cursor:pointer;display:grid;place-items:center;font-size:14px;line-height:1;
  transition:border-color .15s ease,color .15s ease;
}
.dock .close:hover{border-color:rgba(47,227,198,.5);color:var(--text-1);}
.dock .btn{height:38px;padding:0 16px;font-size:14px;}

/* ============ 响应式 ============ */
@media (min-width:1440px){
  .wrap{max-width:1200px;}
}
@media (max-width:1199px) and (min-width:768px){
  :root{--sidebar-w:76px;}
  .sidebar{padding:22px 12px 18px;align-items:center;}
  .brand-text,.nav-label,.nav-text,.side-card{display:none;}
  .brand{justify-content:center;padding:0;}
  .nav{width:100%;align-items:center;}
  .nav-item{justify-content:center;padding:0;height:46px;width:46px;}
  .nav-item:hover{transform:none;}
  .nav-item:hover .nav-text{
    display:block;
    position:absolute;left:56px;top:50%;
    transform:translateY(-50%);
    background:rgba(11,29,38,.96);
    border:1px solid var(--line);
    border-radius:8px;
    padding:5px 11px;
    font-size:13px;color:var(--text-1);
    white-space:nowrap;
    z-index:5;
  }
  .nav-item.active::before{left:-6px;}
  .side-foot .btn{width:46px;padding:0;justify-content:center;}
  .side-foot .btn span{display:none;}
}
@media (max-width:1023px){
  .hero-grid{grid-template-columns:1fr;}
  .hero-txt,.hero-visual{grid-column:1 / -1;}
  .hero-visual .frame img{height:280px;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .facts{grid-template-columns:1fr;}
  .proof{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr 1fr;}
  .sec{padding:72px 0;}
  .sec.tight{padding:52px 0;}
}
@media (max-width:767px){
  .sidebar{
    width:280px;
    transform:translateX(-100%);
    padding:22px 18px 20px;
    box-shadow:var(--shadow-float);
  }
  .sidebar.open{transform:translateX(0);}
  .brand-text,.nav-label,.nav-text,.side-card{display:flex;}
  .brand-text{display:flex;}
  .side-card{display:block;}
  .nav{width:auto;align-items:stretch;}
  .nav-item{width:auto;justify-content:flex-start;padding:0 12px;height:44px;}
  .nav-item.active::before{left:-10px;}
  .topbar{display:flex;}
  .main{margin-left:0;padding-top:60px;}
  .wrap{padding:0 16px;}
  .hero{padding:48px 0 52px;}
  .hero h1{font-size:30px;}
  .hero-lead{font-size:15.5px;}
  .statusbar{grid-template-columns:1fr;}
  .tl-item{padding-left:52px;}
  .timeline::before{left:15px;}
  .tl-node{width:24px;height:24px;left:4px;font-size:11px;}
  .tl-card{grid-template-columns:1fr;}
  .tl-card .thumb{height:150px;}
  .tl-card .thumb img{height:150px;}
  .grid-3{grid-template-columns:1fr;}
  .row{grid-template-columns:1fr;gap:6px;padding:18px;}
  .stats{grid-template-columns:1fr 1fr;}
  .quotes{grid-template-columns:1fr;}
  .quote:nth-child(2){margin-top:0;}
  .cta-band{padding:34px 22px;}
  .cta-inner h2{font-size:24px;}
  .cta-actions .btn{width:100%;justify-content:center;}
  .foot-grid{grid-template-columns:1fr;}
  .sec{padding:56px 0;}
  .sec.tight{padding:40px 0;}
  .sec-head h2{font-size:25px;}
  .dock{
    left:16px;right:16px;bottom:0;
    border-radius:16px 16px 0 0;
    padding:12px 14px calc(12px + env(safe-area-inset-bottom));
    justify-content:space-between;
  }
  .dock .txt{display:none;}
  .dock .btn{flex:1;justify-content:center;}
  .dock .close{display:none;}
}
@media (max-width:480px){
  .hero h1{font-size:26px;}
  .sec-head h2{font-size:22px;}
  .stats{grid-template-columns:1fr;}
  .fact{padding:20px;}
  .btn{height:44px;padding:0 18px;font-size:14.5px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}