/* roulang page: index */
:root{
  --bg-0:#0A0F16;
  --bg-1:#0E1621;
  --bg-2:#131E2B;
  --glass:rgba(255,255,255,.045);
  --glass-border:rgba(255,255,255,.09);
  --glass-hi:inset 0 1px 0 rgba(255,255,255,.07);
  --accent:#2FE0C2;
  --accent-2:#38BDF8;
  --violet:#7C6CFF;
  --warn:#FF6B5A;
  --ok:#34D399;
  --bad:#F87171;
  --warnText:#FBBF24;
  --text:#E9EFF6;
  --text-2:#A7B6C6;
  --text-3:#6F8296;
  --line:rgba(255,255,255,.07);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 6px 18px rgba(0,0,0,.28);
  --sh-2:0 14px 36px rgba(0,0,0,.38);
  --sh-glow:0 0 0 1px rgba(47,224,194,.45),0 10px 30px rgba(47,224,194,.22);
  --gutter:24px;
  --nav-w:264px;
  --ease:.22s cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-2);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--accent);text-decoration:none;transition:color var(--ease);}
a:hover{color:#6EF0DA;text-decoration:underline;text-underline-offset:3px;}
h1,h2,h3,h4{color:var(--text);letter-spacing:0;margin:0;line-height:1.35;font-weight:700;}
h1{font-size:clamp(30px,4.2vw,52px);}
h2{font-size:clamp(24px,2.6vw,34px);}
h3{font-size:20px;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
::selection{background:rgba(47,224,194,.28);color:var(--text);}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:var(--bg-0);}
::-webkit-scrollbar-thumb{background:var(--bg-2);border-radius:var(--r-pill);}
::-webkit-scrollbar-thumb:hover{background:var(--accent);}
.wrap{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}
.row{--bs-gutter-x:var(--gutter);--bs-gutter-y:var(--gutter);}

/* ===== 左侧竖向导航 ===== */
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);
  background:var(--bg-1);border-right:1px solid rgba(255,255,255,.06);
  display:flex;flex-direction:column;gap:18px;padding:24px 16px;z-index:1045;
}
.brand{display:flex;align-items:center;gap:12px;padding:6px 8px 2px;}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:12px;
  background:linear-gradient(140deg,var(--accent),#22C9AE 62%,var(--violet));
  box-shadow:0 8px 20px rgba(47,224,194,.25);
  display:flex;align-items:center;justify-content:center;
  color:#06231F;font-weight:800;font-size:19px;line-height:1;
}
.brand-text{font-size:17px;font-weight:700;line-height:1.25;color:var(--text);}
.brand-text small{display:block;font-size:11.5px;font-weight:500;color:var(--text-3);letter-spacing:.02em;margin-top:4px;}
.nav-sep{height:1px;background:var(--line);margin:2px 8px;}
.side-list{display:flex;flex-direction:column;gap:4px;}
.side-link{
  position:relative;display:flex;align-items:center;gap:12px;
  padding:12px 14px;border-radius:var(--r-sm);
  color:var(--text-2);font-size:14.5px;line-height:24px;
  transition:background var(--ease),color var(--ease);
}
.side-link svg{width:18px;height:18px;flex:0 0 18px;stroke:currentColor;fill:none;stroke-width:1.6;}
.side-link:hover{background:rgba(255,255,255,.04);color:var(--text);text-decoration:none;}
.side-link.is-active{background:rgba(47,224,194,.08);color:var(--text);font-weight:600;}
.side-link.is-active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;
  background:var(--accent);border-radius:0 3px 3px 0;
}
.side-cta{
  margin-top:auto;background:var(--glass);border:1px solid var(--glass-border);
  box-shadow:var(--glass-hi);border-radius:var(--r-md);padding:16px;
}
.side-cta h4{font-size:14.5px;margin-bottom:6px;}
.side-cta p{font-size:12.8px;color:var(--text-3);line-height:1.7;margin-bottom:12px;}
.side-cta .btn{width:100%;}

/* ===== 页面主体 ===== */
.page{margin-left:var(--nav-w);min-height:100vh;display:flex;flex-direction:column;}
.top-bar{display:none;}
.section{padding:100px 0;}
.section--tight{padding-top:64px;}
.section-head{max-width:760px;margin-bottom:32px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;color:var(--accent);letter-spacing:.04em;
  border:1px solid rgba(47,224,194,.35);border-radius:var(--r-pill);
  padding:4px 12px;margin-bottom:16px;
}
.lead{font-size:16px;color:var(--text-2);letter-spacing:.01em;}

/* ===== 倒计时条 ===== */
.count-bar{
  position:sticky;top:0;z-index:1030;
  background:rgba(19,30,43,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(47,224,194,.25);
}
.count-bar .wrap{display:flex;align-items:center;gap:20px;min-height:56px;padding-block:8px;}
.chip-warn{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;line-height:1;padding:6px 12px;border-radius:var(--r-pill);
  border:1px solid rgba(255,107,90,.5);color:var(--warn);white-space:nowrap;
}
.chip-warn .dot{width:6px;height:6px;border-radius:50%;background:var(--warn);}
.count-nums{display:flex;align-items:center;gap:6px;font-variant-numeric:tabular-nums;margin-left:auto;}
.count-nums .cell{display:flex;flex-direction:column;align-items:center;min-width:44px;}
.count-nums .num{
  font-family:"DIN Alternate",Consolas,monospace;font-size:22px;font-weight:700;
  color:var(--text);line-height:1.05;
}
.count-nums .unit{font-size:11px;color:var(--text-3);line-height:1.4;}
.count-nums .colon{color:var(--text-3);font-size:18px;line-height:1;padding-bottom:14px;}
.count-bar .btn{flex:0 0 auto;}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 22px;border-radius:var(--r-pill);border:1px solid transparent;
  font-size:14.5px;font-weight:600;line-height:1;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease),color var(--ease),filter var(--ease),background var(--ease);
  white-space:nowrap;
}
.btn-main{
  background:linear-gradient(120deg,var(--accent),#22C9AE 85%);
  color:#06231F;font-weight:700;
}
.btn-main:hover{filter:brightness(1.06);box-shadow:var(--sh-glow);color:#06231F;text-decoration:none;}
.btn-main:active{transform:scale(.98);filter:brightness(.98);}
.btn-line{background:transparent;border-color:rgba(255,255,255,.18);color:var(--text);}
.btn-line:hover{border-color:var(--accent);color:var(--accent);text-decoration:none;}
.btn-ghost{background:transparent;border-color:transparent;color:var(--accent);padding:0 6px;}
.btn-ghost .arw{transition:transform var(--ease);}
.btn-ghost:hover{text-decoration:none;color:#6EF0DA;}
.btn-ghost:hover .arw{transform:translateX(4px);}
.btn-lg{height:48px;padding:0 28px;}
.btn-sm{height:36px;padding:0 16px;font-size:13.5px;}
.btn-block{width:100%;}

/* ===== Hero ===== */
.hero{position:relative;padding:72px 0 96px;overflow:hidden;}
.hero::before{
  content:"";position:absolute;inset:-20% -10% auto -10%;height:640px;pointer-events:none;
  background:
    radial-gradient(420px 320px at 18% 30%,rgba(47,224,194,.08),transparent 70%),
    radial-gradient(460px 340px at 78% 12%,rgba(124,108,255,.08),transparent 70%);
}
.hero-grid{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.hero h1{font-size:clamp(30px,3.6vw,46px);margin-bottom:20px;max-width:16em;}
.hero .lead{font-size:17px;max-width:32em;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;}
.badge-row span{
  font-size:12.5px;color:var(--text-2);border:1px solid var(--glass-border);
  border-radius:var(--r-pill);padding:6px 13px;background:rgba(255,255,255,.02);
}
.hero-card{
  position:relative;background:var(--glass);border:1px solid var(--glass-border);
  box-shadow:var(--glass-hi),var(--sh-2);border-radius:var(--r-lg);padding:16px;
}
.hero-card .device{
  border-radius:var(--r-md);overflow:hidden;border:1px solid rgba(255,255,255,.08);
  background:var(--bg-2);aspect-ratio:16/11;
}
.hero-card .device img{width:100%;height:100%;object-fit:cover;opacity:.92;}
.float-card{
  position:absolute;background:rgba(19,30,43,.86);border:1px solid var(--glass-border);
  box-shadow:var(--sh-2);border-radius:var(--r-md);padding:14px 16px;backdrop-filter:blur(10px);
}
.float-card b{display:block;font-family:"DIN Alternate",Consolas,monospace;font-size:24px;color:var(--accent);line-height:1.1;}
.float-card i{display:block;font-style:normal;font-size:12.5px;color:var(--text-3);margin-top:4px;}
.float-a{left:-18px;bottom:36px;}
.float-b{right:-14px;top:34px;}

/* ===== 卖点 2+1 ===== */
.sell-grid{display:grid;grid-template-columns:2fr 1fr;gap:var(--gutter);align-items:start;}
.sell-main{
  background:var(--bg-2);border-radius:var(--r-lg);padding:32px;
  border:1px solid var(--line);
}
.sell-icon{
  width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:rgba(47,224,194,.12);color:var(--accent);margin-bottom:20px;
}
.sell-icon svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.6;}
.sell-main h3{font-size:22px;margin-bottom:14px;}
.progress{margin-top:26px;}
.progress .bar{height:8px;border-radius:var(--r-pill);background:rgba(255,255,255,.07);overflow:hidden;}
.progress .bar i{display:block;height:100%;width:82%;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--accent),#22C9AE);}
.progress .meta{display:flex;justify-content:space-between;font-size:12.5px;color:var(--text-3);margin-top:10px;}
.sell-list{display:flex;flex-direction:column;background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;}
.sell-item{display:flex;gap:14px;padding:22px 24px;border-bottom:1px solid var(--line);transition:background var(--ease);}
.sell-item:last-child{border-bottom:0;}
.sell-item:hover{background:rgba(255,255,255,.03);}
.sell-item .ico{flex:0 0 34px;width:34px;height:34px;border-radius:10px;background:rgba(124,108,255,.14);display:flex;align-items:center;justify-content:center;color:#B6AEFF;}
.sell-item .ico svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:1.6;}
.sell-item h4{font-size:15px;margin-bottom:4px;}
.sell-item p{font-size:13.5px;color:var(--text-3);line-height:1.7;margin:0;}

/* ===== 图墙 bento ===== */
.wall{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:170px;gap:16px;}
.tile{position:relative;overflow:hidden;border-radius:var(--r-md);border:1px solid var(--line);}
.tile img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease),opacity var(--ease);opacity:.86;}
.tile::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(10,15,22,.78),rgba(10,15,22,.18) 55%,rgba(10,15,22,0));
  transition:opacity var(--ease);opacity:.95;
}
.tile figcaption{
  position:absolute;left:16px;bottom:12px;z-index:2;
  font-size:12px;color:var(--text);letter-spacing:.02em;
}
.tile:hover img{transform:scale(1.04);opacity:1;}
.tile:hover::after{opacity:.8;}
.tile-big{grid-column:span 2;grid-row:span 2;}
.tile-wide{grid-column:span 2;}

/* ===== 指标条 ===== */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gutter);
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-lg);padding:32px;
}
.stat b{
  display:block;font-family:"DIN Alternate",Consolas,monospace;font-size:32px;
  color:var(--accent);line-height:1.15;font-variant-numeric:tabular-nums;
}
.stat span{display:block;font-size:13px;color:var(--text-3);margin-top:6px;}
.quote-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--gutter);margin-top:24px;}
.quote{
  background:var(--bg-2);border-radius:var(--r-md);padding:24px;border-left:3px solid rgba(47,224,194,.5);
}
.quote p{font-size:14.5px;color:var(--text-2);}
.quote footer{font-size:12.5px;color:var(--text-3);margin-top:12px;}

/* ===== 表单 / CTA 面板 ===== */
.cta-panel{
  background:var(--glass);border:1px solid var(--glass-border);box-shadow:var(--glass-hi),var(--sh-2);
  border-radius:var(--r-lg);padding:40px;
  display:grid;grid-template-columns:1fr 1fr;gap:44px;
}
.cta-panel h2{margin-bottom:16px;}
.cta-points{display:flex;flex-direction:column;gap:14px;margin:24px 0;}
.cta-points li{display:flex;gap:12px;font-size:14.5px;color:var(--text-2);}
.cta-points li::before{
  content:"";flex:0 0 8px;width:8px;height:8px;margin-top:9px;border-radius:2px;
  background:var(--accent);
}
.contact-box{border-top:1px solid var(--line);padding-top:20px;font-size:13.5px;color:var(--text-3);}
.contact-box strong{color:var(--text);font-weight:600;}
.form-card{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-md);padding:26px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:8px;}
.field label .req{color:var(--warn);margin-left:4px;}
.field input,.field select,.field textarea{
  width:100%;background:var(--bg-1);border:1px solid rgba(255,255,255,.1);
  border-radius:var(--r-sm);padding:0 14px;height:46px;color:var(--text);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.field textarea{height:auto;padding:12px 14px;resize:vertical;min-height:92px;line-height:1.7;}
.field select{appearance:none;
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%236F8296' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;padding-right:38px;
}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(47,224,194,.16);
}
.field.has-error input,.field.has-error select{border-color:var(--bad);}
.field .err{display:none;font-size:12px;color:var(--bad);margin-top:6px;}
.field.has-error .err{display:block;}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--text-3);margin:18px 0;}
.check input{width:16px;height:16px;margin-top:4px;accent-color:var(--accent);}
.form-note{
  display:none;margin-top:16px;padding:12px 14px;border-radius:var(--r-sm);
  background:rgba(47,224,194,.08);border:1px solid rgba(47,224,194,.3);
  color:var(--accent);font-size:13.5px;
}
.form-note.is-show{display:block;}

/* ===== 最新信息 ===== */
.news-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:24px;}
.filter-row{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;align-items:center;height:28px;padding:0 13px;border-radius:var(--r-pill);
  font-size:12.5px;border:1px solid var(--glass-border);color:var(--text-2);
  background:rgba(255,255,255,.02);transition:border-color var(--ease),color var(--ease);
}
.chip:hover{border-color:rgba(47,224,194,.45);color:var(--text);text-decoration:none;}
.chip.is-on{background:rgba(47,224,194,.1);border-color:rgba(47,224,194,.4);color:var(--accent);}
.news-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;color:inherit;transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(47,224,194,.32);box-shadow:var(--sh-1);text-decoration:none;color:inherit;}
.news-card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-1);}
.news-card .thumb img{width:100%;height:100%;object-fit:cover;}
.news-card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-card .tag{
  align-self:flex-start;font-size:12px;line-height:1;padding:5px 11px;border-radius:var(--r-pill);
  background:rgba(124,108,255,.14);color:#B6AEFF;
}
.news-card h3{
  font-size:17px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card p{
  font-size:14px;color:var(--text-2);line-height:1.7;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card .foot{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--text-3);
}
.news-card .foot .go{color:var(--accent);transition:transform var(--ease);}
.news-card:hover .foot .go{transform:translateX(3px);}
.empty-state{
  text-align:center;padding:64px 20px;background:var(--bg-1);
  border:1px dashed rgba(255,255,255,.12);border-radius:var(--r-lg);
}
.empty-state svg{width:64px;height:64px;stroke:var(--text-3);fill:none;stroke-width:1.2;margin:0 auto 18px;}
.empty-state p{font-size:15px;color:var(--text-3);margin-bottom:20px;}
.pager{display:flex;justify-content:center;gap:10px;margin-top:36px;flex-wrap:wrap;}
.pager a{
  min-width:42px;height:42px;padding:0 14px;border-radius:var(--r-pill);
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--glass-border);color:var(--text-2);font-size:14px;
}
.pager a:hover{border-color:var(--accent);color:var(--accent);text-decoration:none;}
.pager a.is-current{background:var(--accent);border-color:var(--accent);color:#06231F;font-weight:700;}
.pager a.is-disabled{color:var(--text-3);border-color:var(--line);pointer-events:none;}

/* ===== FAQ ===== */
.faq-box{
  background:var(--glass);border:1px solid var(--glass-border);box-shadow:var(--glass-hi);
  border-radius:var(--r-lg);padding:24px;
}
.faq-item{
  background:var(--bg-2);border-radius:var(--r-md);margin-bottom:12px;border:1px solid transparent;
  transition:border-color var(--ease);
}
.faq-item:last-child{margin-bottom:0;}
.faq-item:hover{border-color:rgba(47,224,194,.22);}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;cursor:pointer;font-size:16px;font-weight:600;color:var(--text);
  border-left:3px solid transparent;transition:border-color var(--ease);
}
.faq-item.is-open .faq-q{border-left-color:var(--accent);}
.faq-q .pm{position:relative;width:18px;height:18px;flex:0 0 18px;transition:transform var(--ease);}
.faq-q .pm::before,.faq-q .pm::after{
  content:"";position:absolute;background:var(--accent);border-radius:2px;
}
.faq-q .pm::before{left:0;top:8px;width:18px;height:2px;}
.faq-q .pm::after{left:8px;top:0;width:2px;height:18px;}
.faq-item.is-open .faq-q .pm{transform:rotate(45deg);}
.faq-a{display:none;padding:0 20px 20px 23px;font-size:14.5px;line-height:1.85;color:var(--text-2);}
.faq-item.is-open .faq-a{display:block;}

/* ===== 页脚 ===== */
.site-foot{border-top:1px solid var(--line);background:var(--bg-1);margin-top:20px;padding:64px 0 0;}
.foot-grid{display:grid;grid-template-columns:4fr 2.4fr 2.4fr 3fr;gap:36px;}
.site-foot h4{font-size:15px;margin-bottom:16px;}
.site-foot p{font-size:13.5px;color:var(--text-3);line-height:1.8;}
.foot-links{display:flex;flex-direction:column;gap:10px;}
.foot-links a{font-size:14px;color:var(--text-2);}
.foot-links a:hover{color:var(--accent);}
.foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.foot-bottom{
  margin-top:48px;border-top:1px solid var(--line);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--text-3);
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;color:var(--text-2);
  border:1px solid var(--glass-border);border-radius:var(--r-pill);padding:7px 16px;font-size:12.5px;
}
.to-top:hover{border-color:var(--accent);color:var(--accent);text-decoration:none;}

/* ===== 移动端导航 ===== */
.top-bar{
  position:fixed;top:0;left:0;right:0;height:64px;z-index:1050;
  background:rgba(14,22,33,.94);backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,255,255,.06);
  display:flex;align-items:center;justify-content:space-between;padding:0 16px;
}
.top-bar .brand-mark{width:34px;height:34px;flex:0 0 34px;font-size:16px;border-radius:10px;}
.top-bar .brand{padding:0;gap:10px;}
.top-bar .brand-text{font-size:15px;}
.burger{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--glass-border);
  background:transparent;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.burger span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;}
.tn-offcanvas{background:var(--bg-1);border:0;border-radius:0 var(--r-lg) 0 var(--r-lg);width:300px;}
.tn-offcanvas .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px;}
.tn-offcanvas .offcanvas-body{padding:14px 14px 24px;}
.tn-offcanvas .side-link{height:52px;font-size:15px;}

/* ===== 响应式 ===== */
@media (max-width:1399.98px){
  :root{--nav-w:88px;}
  .side-nav{align-items:center;padding:20px 12px;}
  .brand{flex-direction:column;gap:8px;padding:0;text-align:center;}
  .brand-text{display:none;}
  .side-link{justify-content:center;padding:12px;}
  .side-link span{display:none;}
  .side-cta{display:none;}
  .nav-sep{width:36px;margin-inline:auto;}
}
@media (max-width:1199.98px){
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-card{max-width:560px;}
  .sell-grid{grid-template-columns:1fr;}
  .cta-panel{grid-template-columns:1fr;gap:32px;padding:32px;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .wall{grid-auto-rows:150px;}
}
@media (max-width:991.98px){
  .side-nav{display:none;}
  .page{margin-left:0;padding-top:64px;}
  .top-bar{display:flex;}
  .count-bar{top:64px;}
  .section{padding:72px 0;}
  .hero{padding:48px 0 72px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .quote-row{grid-template-columns:1fr;}
}
@media (max-width:767.98px){
  .wrap{padding:0 16px;}
  .section{padding:56px 0;}
  .hero{padding:40px 0 56px;}
  .count-bar .wrap{flex-wrap:wrap;gap:12px 16px;padding-block:12px;}
  .count-nums{margin-left:0;width:100%;justify-content:flex-start;}
  .count-bar .btn{width:100%;}
  .sell-main{padding:24px;}
  .cta-panel{padding:22px;}
  .form-card{padding:20px;}
  .stats{grid-template-columns:1fr 1fr;padding:24px;gap:20px;}
  .wall{grid-template-columns:repeat(2,1fr);grid-auto-rows:140px;}
  .tile-big{grid-column:span 2;grid-row:span 1;}
  .tile-wide{grid-column:span 2;}
  .faq-box{padding:14px;}
  .faq-q{font-size:15px;padding:16px 14px;}
  .foot-grid{grid-template-columns:1fr;}
  .hero-actions .btn{width:100%;}
  .float-card{padding:10px 12px;}
  .float-card b{font-size:19px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  .news-card:hover{transform:none;}
  .tile:hover img{transform:none;}
}

/* roulang page: article */
:root{
  --bg-0:#0A0F16;
  --bg-1:#0E1621;
  --bg-2:#131E2B;
  --glass:rgba(255,255,255,.045);
  --glass-border:rgba(255,255,255,.09);
  --glass-hi:inset 0 1px 0 rgba(255,255,255,.07);
  --accent:#2FE0C2;
  --accent-hi:#6EF0DA;
  --accent-2:#38BDF8;
  --violet:#7C6CFF;
  --warn:#FF6B5A;
  --ok:#34D399;
  --err:#F87171;
  --tip:#FBBF24;
  --text:#E9EFF6;
  --text-2:#A7B6C6;
  --text-3:#6F8296;
  --line:rgba(255,255,255,.07);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 6px 18px rgba(0,0,0,.28);
  --sh-2:0 14px 36px rgba(0,0,0,.38);
  --sh-glow:0 0 0 1px rgba(47,224,194,.45), 0 10px 30px rgba(47,224,194,.22);
  --nav-w:264px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:.22s var(--ease);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-2);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--accent);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--accent-hi)}
button{font-family:inherit}
::selection{background:rgba(47,224,194,.28);color:#fff}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--bg-0)}
::-webkit-scrollbar-thumb{background:var(--bg-2);border-radius:8px}
::-webkit-scrollbar-thumb:hover{background:var(--accent)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}

.page{max-width:1280px;margin:0 auto;padding:0 clamp(16px,2vw,24px)}

/* ============ 左侧竖栏导航 ============ */
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);
  background:var(--bg-1);
  border-right:1px solid rgba(255,255,255,.06);
  display:flex;flex-direction:column;
  padding:26px 18px 22px;
  z-index:1040;
  overflow-y:auto;
  transition:width var(--t);
}
.brand{
  display:flex;align-items:center;gap:11px;
  color:var(--text);text-decoration:none;
  margin-bottom:26px;flex-shrink:0;
}
.brand:hover{color:var(--text)}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(47,224,194,.22),rgba(124,108,255,.22));
  border:1px solid rgba(47,224,194,.35);
  color:var(--accent);font-weight:700;font-size:17px;
}
.brand-text{font-size:17px;font-weight:700;line-height:1.25;letter-spacing:0}
.nav-list{display:flex;flex-direction:column;gap:4px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:12px;
  padding:11px 14px;border-radius:12px;
  color:var(--text-2);font-size:15px;line-height:1.45;
  transition:background var(--t),color var(--t);
}
.nav-item i{font-size:16px;width:18px;text-align:center;flex:0 0 18px;color:var(--text-3);transition:color var(--t)}
.nav-item:hover{background:rgba(255,255,255,.045);color:var(--text)}
.nav-item:hover i{color:var(--accent)}
.nav-item.active{background:rgba(47,224,194,.08);color:var(--text)}
.nav-item.active i{color:var(--accent)}
.nav-item.active::before{
  content:"";position:absolute;left:-18px;top:9px;bottom:9px;width:3px;
  border-radius:0 3px 3px 0;background:var(--accent);
}
.nav-sep{height:1px;background:var(--line);margin:20px 4px}
.side-card{
  margin-top:auto;
  background:var(--glass);
  border:1px solid var(--glass-border);
  box-shadow:var(--glass-hi);
  border-radius:var(--r-md);
  padding:16px 14px;
}
.side-card-t{margin:0 0 4px;color:var(--text);font-size:14px;font-weight:600}
.side-card-d{margin:0 0 12px;font-size:12.5px;color:var(--text-3);line-height:1.6}
.btn-sm-primary{
  display:block;text-align:center;
  height:38px;line-height:36px;
  border-radius:var(--r-pill);
  background:linear-gradient(135deg,var(--accent),#22C9AE);
  color:#06231F;font-size:13.5px;font-weight:700;
  transition:filter var(--t),box-shadow var(--t),transform var(--t);
}
.btn-sm-primary:hover{color:#06231F;filter:brightness(1.06);box-shadow:var(--sh-glow)}
.btn-sm-primary:active{transform:scale(.98)}

/* ============ 移动端顶栏 ============ */
.mobile-bar{display:none}
.nav-drawer{background:var(--bg-1) !important;border:0 !important;border-radius:var(--r-lg) 0 0 var(--r-lg)}
.nav-drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px}
.nav-drawer .offcanvas-body{padding:14px 16px 24px}
.nav-drawer .nav-item{height:52px;font-size:15.5px}
.nav-drawer .btn-close{filter:invert(1) grayscale(1) brightness(1.6)}

/* ============ 主内容区 ============ */
.app-main{margin-left:var(--nav-w);min-height:100vh;display:flex;flex-direction:column}
main{flex:1 0 auto}

/* 面包屑 */
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:34px 0 0;font-size:13px;color:var(--text-3);
}
.crumbs a{color:var(--text-3)}
.crumbs a:hover{color:var(--accent)}
.crumbs .sep{color:rgba(255,255,255,.18)}
.crumbs .now{color:var(--text-3);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* 文章头部 */
.art-head{padding:16px 0 30px;border-bottom:1px solid var(--line)}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 11px;border-radius:var(--r-pill);
  font-size:12px;line-height:24px;white-space:nowrap;
}
.chip-cat{background:rgba(124,108,255,.14);color:#B6AEFF}
.chip-line{border:1px solid rgba(255,255,255,.16);color:var(--text-2)}
.chip-warn{border:1px solid rgba(255,107,90,.5);color:var(--warn)}
.art-title{
  margin:16px 0 0;max-width:900px;
  font-size:clamp(28px,3.4vw,44px);
  line-height:1.32;font-weight:700;color:var(--text);
  letter-spacing:0;
}
.art-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:18px;font-size:12.5px;color:var(--text-3);
}
.art-meta .dot{width:3px;height:3px;border-radius:50%;background:rgba(255,255,255,.22)}

/* 阅读区两栏 */
.read-wrap{
  display:grid;grid-template-columns:minmax(0,1fr) 336px;
  gap:52px;align-items:start;padding:38px 0 0;
}

/* 正文排版 */
.prose{max-width:820px;font-size:16px;line-height:1.85;color:var(--text-2)}
.prose>p:first-child{font-size:16.5px}
.prose p{margin:0 0 1em}
.prose h2{
  position:relative;margin:44px 0 16px;padding-left:16px;
  font-size:clamp(21px,2vw,29px);line-height:1.4;font-weight:700;color:var(--text);
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;
  border-radius:2px;background:var(--accent);
}
.prose h3{margin:24px 0 12px;font-size:20px;line-height:1.5;font-weight:600;color:var(--text)}
.prose h4{margin:20px 0 10px;font-size:17px;font-weight:600;color:var(--text)}
.prose ul,.prose ol{margin:0 0 1em;padding-left:0;list-style:none}
.prose ul li,.prose ol li{position:relative;padding-left:22px;margin-bottom:9px}
.prose ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;
  border-radius:2px;background:var(--accent);
}
.prose ol{counter-reset:olc}
.prose ol li{counter-increment:olc}
.prose ol li::before{
  content:counter(olc);position:absolute;left:0;top:.18em;
  min-width:18px;font-size:13px;font-weight:700;color:var(--accent);
  font-variant-numeric:tabular-nums;
}
.prose blockquote{
  margin:24px 0;padding:16px 20px;
  border-left:3px solid var(--accent);
  background:rgba(255,255,255,.03);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:var(--text-2);font-size:15.5px;
}
.prose blockquote p:last-child{margin-bottom:0}
.prose a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.prose a:hover{color:var(--accent-hi)}
.prose img{border-radius:var(--r-md);margin:22px 0}
.prose figure{margin:22px 0}
.prose figure img{margin:0}
.prose figcaption{text-align:center;font-size:12.5px;color:var(--text-3);margin-top:9px}
.prose table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14.5px}
.prose th,.prose td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line)}
.prose thead th{background:rgba(255,255,255,.045);color:var(--text);font-weight:600}
.prose tbody tr:nth-child(even){background:rgba(255,255,255,.02)}
.prose hr{border:0;border-top:1px solid var(--line);margin:36px 0}
.prose code{
  background:rgba(255,255,255,.06);border-radius:6px;
  padding:2px 6px;font-size:14px;color:var(--accent-hi);
}

/* 空态 */
.empty-state{
  border:1px dashed rgba(255,255,255,.14);
  border-radius:var(--r-lg);
  background:var(--glass);
  box-shadow:var(--glass-hi);
  padding:56px 24px;text-align:center;
}
.empty-state i{font-size:56px;color:var(--text-3);display:block;margin-bottom:16px}
.empty-state p{margin:0 0 20px;font-size:15px;color:var(--text-2)}
.btn-outline-line{
  display:inline-flex;align-items:center;gap:8px;
  height:42px;padding:0 22px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.18);
  color:var(--text);font-size:14.5px;font-weight:600;
  transition:border-color var(--t),color var(--t),background var(--t);
}
.btn-outline-line:hover{border-color:var(--accent);color:var(--accent);background:rgba(47,224,194,.05)}

/* 正文尾部标签 */
.art-foot{padding:36px 0 0;border-top:1px solid var(--line);margin-top:44px}
.tag-row{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:26px}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--r-pill);font-size:12px;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);
  color:var(--text-2);transition:border-color var(--t),color var(--t);
}
.tag:hover{border-color:rgba(47,224,194,.45);color:var(--accent)}

/* 上下篇 */
.pager{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:26px}
.pager-card{
  display:block;padding:18px 20px;border-radius:var(--r-md);
  background:var(--bg-2);border:1px solid transparent;
  transition:border-color var(--t),transform var(--t),box-shadow var(--t);
}
.pager-card:hover{border-color:rgba(47,224,194,.35);transform:translateY(-4px);box-shadow:var(--sh-1)}
.pager-card .lb{font-size:12.5px;color:var(--text-3);display:block;margin-bottom:6px}
.pager-card .tt{font-size:15.5px;font-weight:600;color:var(--text);display:block;line-height:1.55}
.pager-card.next{text-align:right}

/* 侧栏 */
.side-col{display:flex;flex-direction:column;gap:20px;position:sticky;top:24px}
.info-card{
  background:var(--glass);
  border:1px solid var(--glass-border);
  box-shadow:var(--glass-hi);
  border-radius:var(--r-lg);
  padding:22px 20px;
}
.info-card h3{
  margin:0 0 16px;font-size:15px;font-weight:600;color:var(--text);
  display:flex;align-items:center;gap:8px;
}
.info-card h3::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--accent)}
.meta-list{list-style:none;margin:0;padding:0}
.meta-list li{
  display:flex;justify-content:space-between;gap:14px;
  padding:10px 0;font-size:13.5px;border-bottom:1px solid var(--line);
}
.meta-list li:last-child{border-bottom:0}
.meta-list li span{color:var(--text-3);flex:0 0 auto}
.meta-list li b{color:var(--text-2);font-weight:500;text-align:right;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mini-item{
  display:flex;gap:12px;align-items:center;
  padding:10px;border-radius:var(--r-sm);
  transition:background var(--t);
}
.mini-item:hover{background:rgba(255,255,255,.045)}
.mini-item img{width:66px;height:48px;object-fit:cover;border-radius:8px;flex:0 0 66px}
.mini-item .mi-t{font-size:13.5px;color:var(--text-2);line-height:1.5;display:block;margin-bottom:3px}
.mini-item .mi-d{font-size:11.5px;color:var(--text-3)}

/* 相关推荐 */
.related{padding:60px 0 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:24px;flex-wrap:wrap}
.sec-head h2{margin:0;font-size:clamp(21px,2vw,27px);color:var(--text);font-weight:700;line-height:1.4}
.sec-head .more{font-size:14px;color:var(--text-3)}
.sec-head .more i{font-size:11px;margin-left:6px;transition:transform var(--t)}
.sec-head .more:hover{color:var(--accent)}
.sec-head .more:hover i{transform:translateX(4px)}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.post-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--bg-2);border:1px solid transparent;border-radius:var(--r-md);
  transition:transform var(--t),border-color var(--t),box-shadow var(--t);
}
.post-card:hover{transform:translateY(-4px);border-color:rgba(47,224,194,.35);box-shadow:var(--sh-1)}
.post-card .pic{aspect-ratio:16/9;overflow:hidden;border-radius:var(--r-sm) var(--r-sm) 0 0}
.post-card .pic img{width:100%;height:100%;object-fit:cover;transition:transform var(--t)}
.post-card:hover .pic img{transform:scale(1.04)}
.post-card .body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1 1 auto}
.post-card .tt{
  margin:10px 0 8px;font-size:17px;font-weight:600;color:var(--text);line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card .ds{
  font-size:14px;color:var(--text-2);line-height:1.7;margin:0 0 16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card .ft{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--text-3);
}
.post-card .ft i{font-size:12px;transition:transform var(--t)}
.post-card:hover .ft i{transform:translateX(4px);color:var(--accent)}

/* 页脚 */
.site-foot{margin-top:80px;border-top:1px solid var(--line);background:var(--bg-1)}
.foot-grid{
  display:grid;grid-template-columns:4fr 2fr 2fr 3fr;
  gap:36px;padding:56px 0 40px;
}
.foot-brand .brand{margin-bottom:14px}
.foot-brand p{margin:0;font-size:14px;line-height:1.8;color:var(--text-3);max-width:340px}
.foot-col h4{margin:0 0 16px;font-size:14px;font-weight:600;color:var(--text)}
.foot-links{display:flex;flex-direction:column;gap:10px}
.foot-links a{font-size:14px;color:var(--text-2)}
.foot-links a:hover{color:var(--accent)}
.foot-bottom{
  border-top:1px solid var(--line);padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.to-top{
  display:inline-flex;align-items:center;gap:7px;
  height:34px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.14);color:var(--text-2);font-size:13px;
  transition:border-color var(--t),color var(--t),background var(--t);
}
.to-top:hover{border-color:var(--accent);color:var(--accent);background:rgba(47,224,194,.05)}

/* ============ 响应式 ============ */
@media (max-width:1399.98px){
  :root{--nav-w:88px}
  .side-nav{padding:24px 12px;align-items:center}
  .brand{justify-content:center;margin-bottom:22px}
  .brand-text{display:none}
  .nav-item{justify-content:center;padding:12px;gap:0}
  .nav-item .nav-label{display:none}
  .nav-item.active::before{left:-12px}
  .side-card{display:none}
  .nav-sep{margin:16px 0;width:100%}
}
@media (max-width:1199.98px){
  .read-wrap{grid-template-columns:minmax(0,1fr);gap:34px}
  .side-col{position:static}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px}
  .foot-brand{grid-column:1 / -1}
}
@media (max-width:991.98px){
  body{padding-top:64px}
  .side-nav{display:none}
  .app-main{margin-left:0}
  .mobile-bar{
    display:flex;align-items:center;justify-content:space-between;
    position:fixed;top:0;left:0;right:0;height:64px;padding:0 18px;
    background:rgba(14,22,33,.92);backdrop-filter:blur(14px);
    border-bottom:1px solid rgba(255,255,255,.07);z-index:1050;
  }
  .mobile-bar .brand{margin:0}
  .mobile-bar .brand-text{display:block;font-size:16px}
  .hamburger{
    width:42px;height:42px;border-radius:12px;
    background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);
    color:var(--text);font-size:17px;display:flex;align-items:center;justify-content:center;
    transition:border-color var(--t),color var(--t);
  }
  .hamburger:hover{border-color:var(--accent);color:var(--accent)}
}
@media (max-width:767.98px){
  body{font-size:15.5px}
  .crumbs{padding-top:24px}
  .art-head{padding-bottom:24px}
  .art-title{font-size:28px}
  .read-wrap{padding-top:28px}
  .prose h2{margin-top:36px}
  .pager{grid-template-columns:1fr}
  .pager-card.next{text-align:left}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .site-foot{margin-top:56px}
  .info-card{padding:18px}
  .related{padding-top:44px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important}
  .post-card:hover,.pager-card:hover{transform:none}
  .post-card:hover .pic img{transform:none}
}

/* roulang page: category1 */
:root{
  --bg-0:#0A0F16;
  --bg-1:#0E1621;
  --bg-2:#131E2B;
  --glass:rgba(255,255,255,.045);
  --glass-border:rgba(255,255,255,.09);
  --glass-hi:inset 0 1px 0 rgba(255,255,255,.07);
  --accent:#2FE0C2;
  --accent-2:#38BDF8;
  --violet:#7C6CFF;
  --warn:#FF6B5A;
  --text:#E9EFF6;
  --text-2:#A7B6C6;
  --text-3:#6F8296;
  --line:rgba(255,255,255,.07);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 6px 18px rgba(0,0,0,.28);
  --sh-2:0 14px 36px rgba(0,0,0,.38);
  --sh-glow:0 0 0 1px rgba(47,224,194,.45),0 10px 30px rgba(47,224,194,.22);
  --gutter:24px;
  --nav-w:264px;
  --ease:.22s cubic-bezier(.2,.7,.3,1);
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-2);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:0;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--accent);text-decoration:none;text-underline-offset:3px;transition:color var(--ease)}
a:hover{color:#6EF0DA;text-decoration:underline}
h1,h2,h3,h4{color:var(--text);letter-spacing:0;margin:0;font-weight:700;line-height:1.32}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
::selection{background:rgba(47,224,194,.28);color:#fff}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--bg-0)}
::-webkit-scrollbar-thumb{background:var(--bg-2);border-radius:999px}
::-webkit-scrollbar-thumb:hover{background:var(--accent)}

.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1;font-family:"DIN Alternate",Consolas,"PingFang SC",sans-serif}

/* ---------- 左侧竖导航 ---------- */
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);
  background:var(--bg-1);
  border-right:1px solid rgba(255,255,255,.06);
  display:flex;flex-direction:column;
  padding:26px 16px 20px;
  z-index:1040;
  overflow-y:auto;
}
.brand{display:flex;align-items:center;gap:12px;padding:0 8px 22px;border-bottom:1px solid var(--line)}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  background:linear-gradient(135deg,rgba(47,224,194,.9),rgba(124,108,255,.85));
  display:flex;align-items:center;justify-content:center;
  color:#06231F;font-weight:800;font-size:17px;
  box-shadow:var(--sh-1);
}
.brand-text{font-size:17px;font-weight:700;color:var(--text);line-height:1.25}
.brand-text small{display:block;font-size:12px;font-weight:500;color:var(--text-3);letter-spacing:.02em;margin-top:2px}

.nav-list{margin-top:18px;display:flex;flex-direction:column;gap:4px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:12px;
  padding:12px 14px;border-radius:var(--r-md);
  color:var(--text-2);font-size:15px;line-height:1.4;
  transition:background var(--ease),color var(--ease);
}
.nav-item:hover{background:rgba(255,255,255,.05);color:var(--text);text-decoration:none}
.nav-item .ico{width:18px;height:18px;flex:0 0 18px;stroke:currentColor;fill:none;stroke-width:1.6}
.nav-item.active{background:rgba(47,224,194,.08);color:var(--text);font-weight:600}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:0 3px 3px 0;background:var(--accent);
}
.nav-sep{height:1px;background:var(--line);margin:18px 8px}

.nav-card{
  margin-top:auto;background:var(--glass);border:1px solid var(--glass-border);
  box-shadow:var(--glass-hi);border-radius:var(--r-md);padding:16px;
}
.nav-card h4{font-size:14px;margin-bottom:6px}
.nav-card p{font-size:12.5px;color:var(--text-3);line-height:1.7;margin-bottom:10px}
.nav-card .mail{font-size:12.5px;color:var(--accent);word-break:break-all}

/* ---------- 移动端顶栏 ---------- */
.mobile-bar{
  display:none;position:fixed;top:0;left:0;right:0;height:64px;z-index:1050;
  background:rgba(14,22,33,.94);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  align-items:center;justify-content:space-between;padding:0 16px;
}
.mobile-bar .brand{padding:0;border:0;gap:10px}
.mobile-bar .brand-text{font-size:15px}
.mobile-bar .brand-text small{display:none}
.burger{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--glass-border);
  background:var(--glass);display:flex;align-items:center;justify-content:center;
}
.burger span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px}
.burger span::before{top:-6px}
.burger span::after{top:6px}

.offcanvas.side-drawer{
  background:var(--bg-1);color:var(--text-2);border:0;
  border-radius:0 var(--r-lg) var(--r-lg) 0;width:296px;
}
.side-drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px}
.side-drawer .offcanvas-body{padding:14px 12px}
.side-drawer .nav-item{padding:14px 16px;min-height:52px}

/* ---------- 主体 ---------- */
.main-wrap{margin-left:var(--nav-w);min-height:100vh}
.container-x{max-width:1280px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.04em;color:var(--accent);
  background:rgba(47,224,194,.1);border:1px solid rgba(47,224,194,.28);
  border-radius:var(--r-pill);padding:5px 12px;margin-bottom:18px;
}
.h2-block{font-size:clamp(24px,2.6vw,34px);line-height:1.35}
.lead{font-size:17px;color:var(--text-2);line-height:1.85;letter-spacing:.01em}

/* 面包屑 */
.crumb{padding:28px 0 0;font-size:13px}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb li{color:var(--text-3)}
.crumb li+li::before{content:"/";margin-right:8px;color:var(--text-3);opacity:.6}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--accent)}
.crumb .current{color:var(--text-3)}

/* 导语区 */
.intro{padding:40px 0 8px}
.intro h1{font-size:clamp(30px,4.2vw,52px);line-height:1.22;max-width:960px}
.intro .lead{max-width:720px;margin-top:20px}
.intro-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.chip{
  display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:var(--r-pill);
  font-size:12px;line-height:1;background:rgba(124,108,255,.14);color:#B6AEFF;
}
.chip.outline{background:transparent;border:1px solid rgba(255,255,255,.18);color:var(--text-2)}
.chip.warn{background:rgba(255,107,90,.12);color:#FFA79A;border:1px solid rgba(255,107,90,.35)}
.chip.ok{background:rgba(52,211,153,.12);color:#7EE6BE}

/* 交替图文 */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:56px 0}
.duo.rev .duo-media{order:2}
.duo-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--glass-border);box-shadow:var(--sh-2);
}
.duo-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.duo-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,15,22,0) 45%,rgba(10,15,22,.62) 100%);
}
.duo-body h2{font-size:clamp(24px,2.6vw,34px);margin-bottom:18px}
.duo-body p{font-size:16px;line-height:1.85;color:var(--text-2)}
.point-list{margin-top:20px;display:flex;flex-direction:column;gap:12px}
.point-list li{display:flex;gap:12px;font-size:15px;color:var(--text-2);line-height:1.75}
.point-list li::before{
  content:"";flex:0 0 8px;width:8px;height:8px;margin-top:9px;border-radius:2px;
  background:var(--accent);box-shadow:0 0 10px rgba(47,224,194,.6);
}
.point-list strong{color:var(--text);font-weight:600}

/* 数据指标条 */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:36px 28px;
}
.stat-item{border-left:1px solid var(--line);padding-left:20px}
.stat-item:first-child{border-left:0;padding-left:0}
.stat-num{font-size:32px;font-weight:700;color:var(--accent);line-height:1.1}
.stat-num small{font-size:15px;font-weight:600;margin-left:3px;color:var(--accent)}
.stat-txt{font-size:13px;color:var(--text-3);margin-top:8px;line-height:1.6}

/* FAQ */
.faq-wrap{
  background:var(--glass);border:1px solid var(--glass-border);box-shadow:var(--glass-hi);
  border-radius:var(--r-lg);padding:28px;
}
.accordion-item{
  background:var(--bg-2);border:1px solid var(--line)!important;
  border-radius:var(--r-md)!important;margin-bottom:12px;overflow:hidden;
}
.accordion-item:last-child{margin-bottom:0}
.accordion-button{
  background:var(--bg-2);color:var(--text);font-size:16px;font-weight:600;
  padding:18px 20px;border-radius:var(--r-md)!important;box-shadow:none!important;
  display:flex;align-items:center;gap:14px;
}
.accordion-button::before{
  content:"";flex:0 0 3px;width:3px;height:18px;border-radius:2px;background:rgba(255,255,255,.16);transition:background var(--ease);
}
.accordion-button:not(.collapsed){background:rgba(47,224,194,.06);color:var(--text)}
.accordion-button:not(.collapsed)::before{background:var(--accent)}
.accordion-button::after{
  content:"";background-image:none!important;
  width:14px;height:14px;margin-left:auto;
  border-right:2px solid var(--text-3);border-bottom:2px solid var(--text-3);
  transform:rotate(45deg);transition:transform var(--ease),border-color var(--ease);
}
.accordion-button:not(.collapsed)::after{transform:rotate(-135deg);border-color:var(--accent)}
.accordion-body{padding:4px 20px 22px;font-size:14.5px;line-height:1.85;color:var(--text-2)}

/* CTA 面板 */
.cta-panel{
  background:var(--glass);border:1px solid var(--glass-border);box-shadow:var(--glass-hi);
  border-radius:var(--r-lg);padding:48px;display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-panel::before{
  content:"";position:absolute;width:420px;height:420px;right:-140px;top:-180px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,224,194,.16),rgba(47,224,194,0) 70%);pointer-events:none;
}
.cta-panel h2{font-size:clamp(24px,2.6vw,34px);margin-bottom:16px}
.cta-panel p{font-size:15.5px;color:var(--text-2);max-width:560px}
.cta-actions{display:flex;flex-direction:column;gap:14px;position:relative;z-index:1}

/* 按钮 */
.btn-pill{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;border:0;cursor:pointer;
  background:linear-gradient(135deg,var(--accent),#22C9AE 92%);
  color:#06231F;transition:transform var(--ease),box-shadow var(--ease),filter var(--ease);
}
.btn-pill:hover{filter:brightness(1.06);box-shadow:var(--sh-glow);color:#06231F;text-decoration:none}
.btn-pill:active{transform:scale(.98);box-shadow:none}
.btn-outline-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  background:transparent;border:1px solid rgba(255,255,255,.18);
  color:var(--text);font-size:15px;font-weight:600;cursor:pointer;
  transition:border-color var(--ease),color var(--ease),background var(--ease);
}
.btn-outline-x:hover{border-color:var(--accent);color:var(--accent);text-decoration:none;background:rgba(47,224,194,.06)}
.btn-sm-x{height:42px;padding:0 20px;font-size:14px}
.btn-ghost{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--accent);
  background:none;border:0;padding:0;cursor:pointer;
}
.btn-ghost .arrow{transition:transform var(--ease)}
.btn-ghost:hover .arrow{transform:translateX(4px)}

/* 页脚 */
.site-footer{border-top:1px solid var(--line);background:var(--bg-1);margin-top:24px}
.footer-grid{display:grid;grid-template-columns:4fr 2.6fr 2.6fr 2.8fr;gap:36px;padding:64px 0 40px}
.footer-brand .brand{padding:0;border:0;margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--text-3);line-height:1.8;max-width:360px}
.footer-col h4{font-size:14px;color:var(--text);margin-bottom:16px;letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:var(--text-2)}
.footer-links a:hover{color:var(--accent)}
.footer-note{font-size:13.5px;color:var(--text-3);line-height:1.8}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-2)}
.to-top{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--text-2)}
.to-top:hover{color:var(--accent)}

/* 响应式 */
@media (max-width:1399.98px){
  :root{--nav-w:88px}
  .side-nav{padding:24px 12px 20px;align-items:center}
  .brand{justify-content:center;padding:0 0 20px}
  .brand-text{display:none}
  .nav-item{justify-content:center;padding:13px 0}
  .nav-item .label{display:none}
  .nav-card{display:none}
}
@media (max-width:1199.98px){
  .duo{gap:36px}
  .footer-grid{grid-template-columns:2fr 1fr 1fr;gap:28px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:991.98px){
  :root{--nav-w:0px}
  .side-nav{display:none!important}
  .mobile-bar{display:flex}
  .main-wrap{margin-left:0;padding-top:64px}
  .section{padding:72px 0}
  .duo{grid-template-columns:1fr;gap:26px;padding:40px 0}
  .duo.rev .duo-media{order:0}
  .stats{grid-template-columns:repeat(2,1fr);gap:24px;padding:28px 22px}
  .stat-item:nth-child(3){border-left:0;padding-left:0;margin-top:6px}
  .cta-panel{grid-template-columns:1fr;padding:32px 24px;gap:26px}
  .footer-grid{grid-template-columns:1fr 1fr;padding:48px 0 32px}
}
@media (max-width:767.98px){
  .container-x{padding:0 16px}
  .section{padding:56px 0}
  .intro h1{font-size:28px;line-height:1.3}
  .lead{font-size:15.5px}
  .stats{grid-template-columns:1fr;gap:20px}
  .stat-item{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:16px}
  .stat-item:first-child{border-top:0;padding-top:0}
  .faq-wrap{padding:18px}
  .accordion-button{font-size:15px;padding:16px}
  .cta-panel h2{font-size:22px}
  .btn-pill,.btn-outline-x{width:100%}
  .cta-actions{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .btn-pill:hover{transform:none}
  .btn-ghost:hover .arrow{transform:none}
}

/* roulang page: category2 */
:root{
  --bg-0:#0A0F16;
  --bg-1:#0E1621;
  --bg-2:#131E2B;
  --glass:rgba(255,255,255,.045);
  --glass-border:rgba(255,255,255,.09);
  --glass-hi:inset 0 1px 0 rgba(255,255,255,.07);
  --accent:#2FE0C2;
  --accent-lite:#6EF0DA;
  --accent-2:#38BDF8;
  --violet:#7C6CFF;
  --violet-text:#B6AEFF;
  --warn:#FF6B5A;
  --ok:#34D399;
  --err:#F87171;
  --info:#FBBF24;
  --text:#E9EFF6;
  --text-2:#A7B6C6;
  --text-3:#6F8296;
  --line:rgba(255,255,255,.07);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 6px 18px rgba(0,0,0,.28);
  --sh-2:0 14px 36px rgba(0,0,0,.38);
  --sh-glow:0 0 0 1px rgba(47,224,194,.45),0 10px 30px rgba(47,224,194,.22);
  --nav-w:264px;
  --gutter:24px;
  --tr:.22s cubic-bezier(.2,.7,.3,1);
  --bs-gutter-x:24px;
  --bs-body-bg:var(--bg-0);
  --bs-body-color:var(--text-2);
  --bs-link-color:var(--accent);
  --bs-link-hover-color:var(--accent-lite);
}

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

html{scroll-behavior:smooth;}

body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-2);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

h1,h2,h3,h4{color:var(--text);margin:0;font-weight:700;letter-spacing:0;}
h1{font-size:clamp(30px,4.2vw,52px);line-height:1.24;}
h2{font-size:clamp(24px,2.6vw,34px);line-height:1.3;}
h3{font-size:20px;line-height:1.45;}
p{margin:0 0 1em;line-height:1.85;}
p:last-child{margin-bottom:0;}

a{color:var(--accent);text-decoration:none;transition:color var(--tr);}
a:hover{color:var(--accent-lite);text-decoration:underline;text-underline-offset:3px;}

img{max-width:100%;display:block;}
button{font-family:inherit;}

::selection{background:rgba(47,224,194,.28);color:#fff;}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:var(--bg-0);}
::-webkit-scrollbar-thumb{background:var(--bg-2);border-radius:999px;}
::-webkit-scrollbar-thumb:hover{background:var(--accent);}

.container{max-width:1280px;padding-left:24px;padding-right:24px;}

.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ============ 左侧竖向导航 ============ */
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);
  background:var(--bg-1);
  border-right:1px solid rgba(255,255,255,.06);
  display:flex;flex-direction:column;
  padding:24px 18px 20px;gap:18px;
  z-index:1040;overflow-y:auto;
}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;}
.brand:hover{text-decoration:none;}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  background:linear-gradient(135deg,rgba(47,224,194,.92),rgba(56,189,248,.72));
  color:#06231F;font-weight:800;font-size:17px;
  display:flex;align-items:center;justify-content:center;
}
.brand-text{font-size:17px;font-weight:700;color:var(--text);line-height:1.25;}
.nav-sep{height:1px;background:var(--line);margin:2px 0;}

.nav-list{display:flex;flex-direction:column;gap:6px;}
.nav-item{
  position:relative;display:flex;align-items:center;gap:12px;
  padding:12px 14px;border-radius:12px;
  color:var(--text-2);font-size:14px;line-height:1.45;
  transition:background var(--tr),color var(--tr);
}
.nav-item:hover{background:rgba(255,255,255,.04);color:var(--text);text-decoration:none;}
.nav-item.active{background:rgba(47,224,194,.08);color:var(--text);}
.nav-item.active::before{
  content:"";position:absolute;left:-18px;top:10px;bottom:10px;width:3px;
  border-radius:0 3px 3px 0;background:var(--accent);
}
.nav-ico{flex:0 0 18px;display:flex;align-items:center;justify-content:center;color:currentColor;}

.nav-card{
  margin-top:auto;
  background:var(--glass);border:1px solid var(--glass-border);
  box-shadow:var(--glass-hi);border-radius:var(--r-md);
  padding:16px;
}
.nav-card-t{font-size:14px;font-weight:700;color:var(--text);margin-bottom:6px;}
.nav-card-p{font-size:13px;color:var(--text-3);line-height:1.7;margin:0 0 12px;}
.nav-card .btn-line{width:100%;height:40px;font-size:13.5px;}

/* ============ 移动端顶部条 ============ */
.mobile-bar{
  display:none;position:sticky;top:0;height:64px;z-index:1030;
  align-items:center;justify-content:space-between;
  padding:0 16px;
  background:rgba(14,22,33,.95);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.mobile-bar .brand-text{font-size:15.5px;}
.mobile-bar .brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:10px;font-size:15px;}
.burger{
  width:44px;height:44px;border-radius:12px;
  background:var(--bg-2);border:1px solid var(--glass-border);
  color:var(--text);display:flex;align-items:center;justify-content:center;
  transition:border-color var(--tr),color var(--tr);
}
.burger:hover{border-color:var(--accent);color:var(--accent);}

.offcanvas#navDrawer{
  background:var(--bg-1);border:0;
  border-radius:var(--r-lg) 0 0 var(--r-lg);
  width:300px;
}
.offcanvas#navDrawer .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px;}
.offcanvas#navDrawer .offcanvas-body{padding:16px 14px;}
.offcanvas#navDrawer .nav-item{height:52px;font-size:14.5px;}
.offcanvas#navDrawer .nav-item.active::before{left:-14px;}
.btn-close-custom{
  background:transparent;border:1px solid var(--glass-border);color:var(--text-2);
  width:36px;height:36px;border-radius:10px;line-height:1;
}

/* ============ 页面主区 ============ */
.page-wrap{margin-left:var(--nav-w);min-height:100vh;display:flex;flex-direction:column;}
.page-main{flex:1 1 auto;padding-top:28px;padding-bottom:40px;}

/* 面包屑 */
.crumb{margin-bottom:26px;}
.crumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;margin:0;padding:0;font-size:13px;color:var(--text-3);}
.crumb-list a{color:var(--text-3);}
.crumb-list a:hover{color:var(--accent);}
.crumb-list .sep{color:var(--text-3);opacity:.6;}
.crumb-list .cur{color:var(--text-3);}

/* 通用板块 */
.sec{padding:96px 0;position:relative;}
.sec-tight{padding:64px 0;}
.sec-head{max-width:780px;margin-bottom:36px;}
.sec-head h2{margin:14px 0 14px;}
.sec-head p{font-size:15.5px;color:var(--text-2);margin:0;}

/* 标签 / 徽章 */
.chip{
  display:inline-flex;align-items:center;height:24px;padding:0 11px;
  border-radius:var(--r-pill);font-size:12px;line-height:1;white-space:nowrap;
}
.chip-violet{background:rgba(124,108,255,.14);color:var(--violet-text);}
.chip-line{border:1px solid rgba(255,255,255,.18);color:var(--text-2);}
.chip-warn{border:1px solid rgba(255,107,90,.55);color:#FF9B8F;}
.chip-accent{background:rgba(47,224,194,.12);color:var(--accent);}

/* 按钮 */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border:0;border-radius:var(--r-pill);
  background:linear-gradient(135deg,#2FE0C2,#22C9AE);
  color:#06231F;font-size:15px;font-weight:700;cursor:pointer;
  transition:transform var(--tr),box-shadow var(--tr),filter var(--tr);
}
.btn-main:hover{filter:brightness(1.06);box-shadow:var(--sh-glow);color:#06231F;text-decoration:none;}
.btn-main:active{transform:scale(.98);}
.btn-main:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  background:transparent;border:1px solid rgba(255,255,255,.18);
  color:var(--text-2);font-size:15px;font-weight:600;cursor:pointer;
  transition:border-color var(--tr),color var(--tr),transform var(--tr);
}
.btn-line:hover{border-color:var(--accent);color:var(--accent);text-decoration:none;}
.btn-line:active{transform:scale(.98);}
.btn-line:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

.btn-block{width:100%;}

/* 导语区 */
.lead-sec{position:relative;padding:44px 0 76px;overflow:hidden;}
.lead-sec::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(620px 320px at 10% 0%,rgba(47,224,194,.08),transparent 70%),
    radial-gradient(560px 320px at 92% 22%,rgba(124,108,255,.08),transparent 72%);
}
.lead-sec .container{position:relative;z-index:1;}
.lead-title{margin:16px 0 18px;max-width:760px;}
.lead-text{font-size:16.5px;color:var(--text-2);max-width:720px;margin-bottom:26px;}
.lead-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:24px;}
.lead-tags{display:flex;flex-wrap:wrap;gap:10px;}
.lead-figure{
  border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--glass-border);box-shadow:var(--sh-2);
  background:var(--bg-2);
}
.lead-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}

/* 场景宫格 */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.scene-card{
  position:relative;padding:24px;border-radius:var(--r-md);
  background:var(--glass);border:1px solid var(--glass-border);
  box-shadow:var(--glass-hi);
  transition:transform var(--tr),border-color var(--tr),box-shadow var(--tr);
}
.scene-card:hover{
  transform:translateY(-4px);
  border-color:rgba(47,224,194,.3);
  box-shadow:var(--sh-1);
}
.scene-num{
  position:absolute;top:18px;right:20px;
  font-size:12.5px;color:var(--text-3);letter-spacing:.06em;
  font-variant-numeric:tabular-nums;
}
.scene-ico{
  width:44px;height:44px;border-radius:13px;margin-bottom:16px;
  background:rgba(47,224,194,.1);color:var(--accent);
  display:flex;align-items:center;justify-content:center;
}
.scene-card h3{font-size:18px;margin-bottom:8px;}
.scene-card p{font-size:14.5px;color:var(--text-2);margin:0;}

/* 时间轴 */
.tl{list-style:none;margin:0;padding:0;max-width:900px;}
.tl-item{position:relative;padding:0 0 26px 50px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:15px;top:34px;bottom:2px;width:2px;
  background:rgba(255,255,255,.08);
}
.tl-item:last-child::before{display:none;}
.tl-dot{
  position:absolute;left:0;top:0;width:32px;height:32px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:12.5px;font-weight:700;color:var(--accent);
  background:rgba(47,224,194,.12);
  border:1px solid rgba(47,224,194,.45);
  font-variant-numeric:tabular-nums;
}
.tl-body{
  background:var(--bg-2);border:1px solid var(--line);
  border-radius:var(--r-md);padding:18px 22px;
  transition:border-color var(--tr),transform var(--tr);
}
.tl-body:hover{border-color:rgba(47,224,194,.3);transform:translateY(-2px);}
.tl-body h3{font-size:17px;margin-bottom:6px;}
.tl-body p{font-size:14.5px;margin:0;color:var(--text-2);}

/* 对比清单 */
.cmp-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.cmp-card{
  border-radius:var(--r-md);background:var(--bg-2);
  border:1px solid var(--line);padding:26px;
  transition:border-color var(--tr),transform var(--tr);
}
.cmp-card.hi{border-color:rgba(47,224,194,.34);}
.cmp-card:hover{transform:translateY(-4px);border-color:rgba(47,224,194,.3);}
.cmp-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;}
.cmp-card h3{font-size:18px;}
.cmp-card .cmp-sub{font-size:13.5px;color:var(--text-3);margin:6px 0 18px;}
.cmp-row{
  display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  padding:12px 0;border-bottom:1px solid var(--line);font-size:14.5px;
}
.cmp-row:last-child{border-bottom:0;padding-bottom:0;}
.cmp-row .k{color:var(--text-3);flex:0 0 auto;}
.cmp-row .v{color:var(--text);text-align:right;}

/* FAQ */
.faq-acc{
  border:1px solid var(--glass-border);background:var(--glass);
  box-shadow:var(--glass-hi);border-radius:var(--r-lg);padding:16px;
}
.faq-acc .accordion-item{
  background:transparent;border:0;margin-bottom:12px;
  border-radius:var(--r-md);overflow:hidden;
}
.faq-acc .accordion-item:last-child{margin-bottom:0;}
.faq-acc .accordion-button{
  position:relative;width:100%;
  background:var(--bg-2);color:var(--text);
  font-size:16px;font-weight:600;line-height:1.6;
  padding:16px 54px 16px 20px;
  border:0;border-left:3px solid transparent;border-radius:var(--r-md);
  box-shadow:none;
  transition:background var(--tr),border-color var(--tr),color var(--tr);
}
.faq-acc .accordion-button:not(.collapsed){
  background:rgba(47,224,194,.06);
  border-left-color:var(--accent);
  color:var(--text);
}
.faq-acc .accordion-button::after{
  content:"+";background-image:none;
  position:absolute;right:20px;top:50%;margin:0;
  width:auto;height:auto;transform:translateY(-50%);
  font-size:22px;line-height:1;font-weight:400;color:var(--accent);
  transition:transform var(--tr);
}
.faq-acc .accordion-button:not(.collapsed)::after{transform:translateY(-50%) rotate(45deg);}
.faq-acc .accordion-button:focus{box-shadow:0 0 0 2px rgba(47,224,194,.35);}
.faq-acc .accordion-body{
  background:var(--bg-2);color:var(--text-2);
  font-size:14.5px;line-height:1.85;padding:4px 20px 20px;
}

/* 咨询面板 */
.consult-panel{
  display:grid;grid-template-columns:1fr 1fr;
  border-radius:var(--r-lg);
  background:var(--glass);border:1px solid var(--glass-border);
  box-shadow:var(--glass-hi);overflow:hidden;
}
.consult-left{padding:40px 36px;}
.consult-left h2{margin:14px 0 16px;}
.consult-left p{font-size:15px;color:var(--text-2);}
.point-list{list-style:none;margin:22px 0 0;padding:0;display:flex;flex-direction:column;gap:14px;}
.point-list li{display:flex;gap:12px;font-size:14.5px;color:var(--text-2);}
.point-list .dot{
  flex:0 0 8px;width:8px;height:8px;border-radius:2px;margin-top:9px;
  background:var(--accent);
}
.consult-note{
  margin-top:26px;padding-top:20px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.consult-form{background:var(--bg-2);padding:36px 32px;}

.field{margin-bottom:18px;}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:8px;}
.req{color:var(--warn);}
.field input,
.field select,
.field textarea{
  width:100%;height:46px;padding:0 14px;
  border-radius:var(--r-sm);
  background:var(--bg-1);
  border:1px solid rgba(255,255,255,.1);
  color:var(--text);font-size:15px;font-family:inherit;
  transition:border-color var(--tr),box-shadow var(--tr);
}
.field textarea{height:auto;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input::placeholder,
.field textarea::placeholder{color:var(--text-3);}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(47,224,194,.16);
}
.field select{
  appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23A7B6C6' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;
  padding-right:40px;cursor:pointer;
}
.check-row{
  display:flex;align-items:flex-start;gap:10px;
  font-size:13px;color:var(--text-3);line-height:1.7;margin:4px 0 20px;cursor:pointer;
}
.check-row input{
  width:16px;height:16px;margin-top:4px;accent-color:var(--accent);flex:0 0 16px;
}
.form-tip{font-size:12.5px;color:var(--text-3);margin:14px 0 0;}

/* 底部 CTA 条 */
.cta-strip{
  margin-top:8px;border-radius:var(--r-lg);
  background:var(--glass);border:1px solid var(--glass-border);
  box-shadow:var(--glass-hi);
  padding:34px 32px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
}
.cta-strip h2{font-size:clamp(20px,2.2vw,26px);margin-bottom:8px;}
.cta-strip p{margin:0;font-size:14.5px;color:var(--text-2);}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* 页脚 */
.site-foot{
  margin-top:80px;background:var(--bg-1);
  border-top:1px solid var(--line);padding:64px 0 24px;
}
.foot-title{font-size:15px;font-weight:700;color:var(--text);margin-bottom:16px;}
.foot-brand p{font-size:14px;color:var(--text-3);line-height:1.8;margin:12px 0 0;}
.foot-links{display:flex;flex-direction:column;gap:10px;}
.foot-links a{color:var(--text-2);font-size:14px;}
.foot-links a:hover{color:var(--accent);}
.foot-bar{
  display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;align-items:center;
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.foot-bar a{color:var(--text-3);}
.foot-bar a:hover{color:var(--accent);}

/* ============ 响应式 ============ */
@media (max-width:1399.98px){
  :root{--nav-w:88px;}
  .side-nav{padding:20px 14px;align-items:center;}
  .brand{justify-content:center;}
  .brand-text{display:none;}
  .nav-item{justify-content:center;padding:12px 10px;}
  .nav-item .nav-text{display:none;}
  .nav-item.active::before{left:-14px;}
  .nav-card{padding:12px 10px;text-align:center;}
  .nav-card-t,.nav-card-p{display:none;}
  .nav-card .btn-line{padding:0;font-size:0;height:42px;}
  .nav-card .btn-line::after{content:"咨询";font-size:13px;}
}

@media (max-width:991.98px){
  .side-nav{display:none;}
  .mobile-bar{display:flex;}
  .page-wrap{margin-left:0;}
  .page-main{padding-top:20px;}
  .sec{padding:72px 0;}
  .sec-tight{padding:52px 0;}
  .consult-panel{grid-template-columns:1fr;}
  .consult-left{padding:32px 24px;}
  .consult-form{padding:28px 22px;}
  .scene-grid{grid-template-columns:repeat(2,1fr);}
}

@media (max-width:767.98px){
  h1{font-size:28px;}
  .container{padding-left:16px;padding-right:16px;}
  .sec{padding:56px 0;}
  .sec-tight{padding:44px 0;}
  .lead-sec{padding:28px 0 56px;}
  .lead-actions{flex-direction:column;align-items:stretch;}
  .lead-actions .btn-main,
  .lead-actions .btn-line{width:100%;}
  .scene-grid{grid-template-columns:1fr;gap:18px;}
  .scene-card{padding:18px;}
  .cmp-grid{grid-template-columns:1fr;}
  .cta-strip{padding:24px 20px;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn-main,
  .cta-actions .btn-line{width:100%;}
  .tl-item{padding-left:42px;}
  .tl-item::before{left:13px;}
  .tl-dot{width:28px;height:28px;font-size:12px;}
  .faq-acc{padding:12px;}
  .faq-acc .accordion-button{font-size:15px;padding:14px 48px 14px 16px;}
  .foot-bar{justify-content:flex-start;}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
  .scene-card:hover,
  .tl-body:hover,
  .cmp-card:hover{transform:none;}
}