/* roulang page: index */
:root{
  --ink-900:#060E12;
  --ink-800:#0B1A20;
  --ink-700:#10262E;
  --brand:#17E3A6;
  --brand-hi:#45F5C0;
  --accent:#FF7A2F;
  --text-100:#EAF3F2;
  --text-300:#B7C7CA;
  --text-500:#7C9195;
  --line:rgba(255,255,255,.09);
  --glass:linear-gradient(160deg,rgba(255,255,255,.075),rgba(255,255,255,.02));
  --ok:#35D07F;
  --warn:#FFB020;
  --r-card:18px;
  --r-img:14px;
  --r-input:12px;
  --r-badge:8px;
  --shadow-card:inset 0 1px 0 rgba(255,255,255,.06);
  --ease:cubic-bezier(.4,0,.2,1);
  --side:248px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text-100);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
button,input,select,textarea{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.num{font-family:"Barlow","DIN Alternate",Arial,sans-serif;font-variant-numeric:tabular-nums}

/* ============ 左侧 App Shell ============ */
.shell-sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--side);
  background:var(--ink-800);
  border-right:1px solid var(--line);
  display:flex;flex-direction:column;
  padding:26px 18px 20px;
  z-index:1040;
  overflow-y:auto;
}
.brand{display:flex;align-items:center;gap:12px;padding:6px 8px 22px}
.brand-mark{
  flex:0 0 38px;width:38px;height:38px;
  background:linear-gradient(150deg,var(--brand),#0E9C74);
  clip-path:polygon(50% 0,93% 25%,93% 75%,50% 100%,7% 75%,7% 25%);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:9px;
  background:var(--ink-800);
  clip-path:polygon(50% 0,93% 25%,93% 75%,50% 100%,7% 75%,7% 25%);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-main{font-size:17px;font-weight:700;letter-spacing:.02em;color:var(--text-100)}
.brand-sub{font-size:12px;color:var(--text-500);letter-spacing:.06em}
.side-nav{display:flex;flex-direction:column;gap:6px;margin-top:6px}
.side-link{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:12px 14px;border-radius:12px;
  color:var(--text-300);font-size:15px;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.side-link i{font-size:14px;color:var(--text-500);transition:color .2s var(--ease)}
.side-link:hover{background:rgba(255,255,255,.05);color:var(--text-100)}
.side-link:hover i{color:var(--brand)}
.side-link.active{
  background:var(--glass);
  color:var(--brand-hi);
  font-weight:600;
}
.side-link.active i{color:var(--brand)}
.side-link.active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  background:var(--brand);border-radius:3px;
}
.side-foot{
  margin-top:auto;padding:16px;border-radius:14px;
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
}
.side-foot-title{font-size:12px;color:var(--text-500);letter-spacing:.08em;margin-bottom:4px}
.side-foot-text{font-size:14px;color:var(--text-300);margin-bottom:8px}
.side-foot-mail{font-size:13px;color:var(--brand);word-break:break-all}
.side-foot-mail:hover{color:var(--brand-hi)}

/* ============ 移动端顶栏 ============ */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:60px;
  align-items:center;justify-content:space-between;
  padding:0 18px;z-index:1045;
  background:rgba(11,26,32,.9);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(12px);
}
.topbar .brand{padding:0;gap:10px}
.topbar .brand-mark{flex:0 0 30px;width:30px;height:30px}
.topbar .brand-mark::after{inset:7px}
.topbar .brand-main{font-size:15px}
.topbar .brand-sub{font-size:10px}
.burger{
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  color:var(--text-100);display:grid;place-items:center;font-size:17px;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.burger:hover{border-color:rgba(23,227,166,.5);color:var(--brand)}

.offcanvas.drawer{background:var(--ink-800);width:82vw;max-width:320px;border-right:1px solid var(--line)}
.offcanvas.drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:18px}
.offcanvas.drawer .offcanvas-body{padding:18px}
.drawer .side-link{font-size:17px;min-height:48px}
.drawer .btn-close{filter:invert(1) grayscale(1);opacity:.7}
.drawer .btn-close:hover{opacity:1}
.offcanvas-backdrop.show{background:rgba(6,14,18,.7);opacity:1}

/* ============ 主区域 ============ */
.shell-main{margin-left:var(--side);min-height:100vh;display:flex;flex-direction:column}
.container-x{width:100%;max-width:1280px;margin:0 auto;padding-left:20px;padding-right:20px}
.section{padding-top:64px;padding-bottom:64px}
.section-alt{background:var(--ink-800);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{margin-bottom:32px}
.section-head h2{
  position:relative;padding-left:16px;
  font-size:clamp(24px,2.6vw,34px);line-height:1.25;font-weight:700;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;
  background:var(--brand);border-radius:2px;
}
.section-head p{margin-top:10px;color:var(--text-300);font-size:15px;max-width:720px}

/* ============ 按钮 ============ */
.btn-main,.btn-ghost,.btn-soft{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.btn-main{background:var(--brand);color:#04140E;box-shadow:0 0 0 rgba(23,227,166,0)}
.btn-main:hover{background:var(--brand-hi);color:#04140E;transform:translateY(-2px);box-shadow:0 8px 26px rgba(23,227,166,.35)}
.btn-main:active{transform:translateY(0);box-shadow:0 0 0 rgba(23,227,166,0)}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--line);color:var(--text-100)}
.btn-ghost:hover{border-color:rgba(23,227,166,.55);color:var(--brand-hi);transform:translateY(-2px);background:rgba(23,227,166,.07)}
.btn-soft{background:rgba(255,255,255,.05);border-color:var(--line);color:var(--text-100);padding:11px 20px;font-size:14px}
.btn-soft:hover{border-color:rgba(23,227,166,.5);color:var(--brand-hi)}
.btn-main:disabled,.btn-ghost:disabled,.btn-soft:disabled{opacity:.45;cursor:not-allowed;box-shadow:none;transform:none}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--brand);
  transition:color .2s var(--ease);
}
.link-arrow i{transition:transform .22s var(--ease)}
.link-arrow:hover{color:var(--brand-hi)}
.link-arrow:hover i{transform:translateX(4px)}

/* ============ 徽章 ============ */
.badge-x{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:var(--r-badge);
  font-size:12px;font-weight:600;letter-spacing:.02em;
  border:1px solid rgba(23,227,166,.45);
  background:rgba(23,227,166,.12);
  color:var(--brand-hi);
}
.badge-x.is-ok{border-color:rgba(53,208,127,.45);background:rgba(53,208,127,.12);color:var(--ok)}
.badge-x.is-warn{border-color:rgba(255,176,32,.45);background:rgba(255,176,32,.12);color:var(--warn)}
.badge-accent{border-color:rgba(255,122,47,.45);background:rgba(255,122,47,.12);color:var(--accent)}

/* ============ Hero ============ */
.hero{position:relative;padding-top:56px;padding-bottom:64px;overflow:hidden}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.06;
  background-image:radial-gradient(circle,rgba(255,255,255,.9) 1px,transparent 1px);
  background-size:26px 26px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 70%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 70%);
}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr;gap:36px;align-items:center}
.hero-eyebrow{margin-bottom:18px}
.hero h1{
  font-size:clamp(30px,4.2vw,52px);line-height:1.15;font-weight:700;letter-spacing:-.01em;
}
.hero h1 .hl{color:var(--brand)}
.hero-sub{margin-top:18px;font-size:16px;line-height:1.9;color:var(--text-300);max-width:620px}
.hero-actions{margin-top:30px;display:flex;flex-wrap:wrap;gap:14px}
.hero-marks{margin-top:30px;display:flex;flex-wrap:wrap;gap:22px}
.hero-marks span{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--text-500)}
.hero-marks span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);flex:0 0 6px}

.visual-card{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line);
  background:var(--glass);
  box-shadow:var(--shadow-card);
  aspect-ratio:16/11;
}
.visual-card img{width:100%;height:100%;object-fit:cover;opacity:.62}
.visual-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,14,18,.35),rgba(6,14,18,.86));
}
.visual-content{
  position:absolute;left:22px;right:22px;bottom:20px;z-index:2;
}
.visual-content .visual-title{
  margin-top:12px;font-size:17px;line-height:1.55;font-weight:600;color:var(--text-100);
}
.visual-content .visual-desc{margin-top:6px;font-size:13px;color:var(--text-300)}
.float-card{
  position:absolute;top:20px;right:20px;z-index:3;
  min-width:150px;padding:14px 16px;border-radius:14px;
  background:rgba(11,26,32,.86);
  border:1px solid var(--line);
  backdrop-filter:blur(10px);
}
.float-num{font-size:32px;font-weight:700;line-height:1.1;color:var(--brand)}
.float-num small{font-size:14px;color:var(--text-300);margin-left:2px}
.float-label{font-size:12px;color:var(--text-500);margin-top:4px}

/* ============ Bento ============ */
.bento-card{
  height:100%;
  padding:24px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--glass);
  box-shadow:var(--shadow-card);
  display:flex;flex-direction:column;gap:10px;
  transition:transform .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease);
}
.bento-card:hover{transform:translateY(-4px);border-color:rgba(23,227,166,.4);background:linear-gradient(160deg,rgba(255,255,255,.1),rgba(255,255,255,.03))}
.bento-icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:rgba(23,227,166,.12);border:1px solid rgba(23,227,166,.28);
  color:var(--brand);font-size:18px;
}
.bento-card h3{font-size:20px;line-height:1.4;font-weight:600}
.bento-card p{font-size:14px;line-height:1.85;color:var(--text-300)}
.bento-lg{padding:30px}
.bento-lg h3{font-size:clamp(22px,2.2vw,26px)}
.bento-lg .bento-foot{margin-top:auto;padding-top:14px}

/* ============ 数据 ============ */
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);background:var(--ink-700)}
.stat{padding:26px 22px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.stat-num{font-size:clamp(34px,4vw,54px);font-weight:700;line-height:1;color:var(--brand);letter-spacing:-.02em}
.stat-num small{font-size:16px;color:var(--text-300);margin-left:4px;font-weight:600}
.stat-label{margin-top:10px;font-size:14px;color:var(--text-300);line-height:1.6}

/* ============ 案例 ============ */
.case-main{
  border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line);background:var(--glass);box-shadow:var(--shadow-card);
  transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.case-main:hover{transform:translateY(-4px);border-color:rgba(23,227,166,.4)}
.case-media{aspect-ratio:16/10;overflow:hidden}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.case-main:hover .case-media img{transform:scale(1.04)}
.case-body{padding:22px}
.case-body h3{font-size:20px;font-weight:600;line-height:1.45}
.case-body p{margin-top:8px;font-size:14px;color:var(--text-300)}
.case-body .link-arrow{margin-top:14px}
.case-mini{
  display:flex;gap:16px;align-items:center;
  padding:16px;border-radius:var(--r-card);
  border:1px solid var(--line);background:var(--glass);
  transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.case-mini:hover{transform:translateY(-3px);border-color:rgba(23,227,166,.4)}
.case-mini .mini-thumb{flex:0 0 108px;width:108px;aspect-ratio:4/3;border-radius:var(--r-img);overflow:hidden}
.case-mini img{width:100%;height:100%;object-fit:cover}
.case-mini h3{font-size:16px;font-weight:600;line-height:1.5}
.case-mini p{font-size:13px;color:var(--text-500);margin-top:6px}

/* ============ 时间轴 ============ */
.timeline{list-style:none;padding:0;margin:0;position:relative}
.timeline::before{content:"";position:absolute;left:23px;top:12px;bottom:12px;width:1px;background:var(--line)}
.tl-item{position:relative;display:flex;gap:22px;padding-bottom:32px}
.tl-item:last-child{padding-bottom:0}
.tl-num{
  position:relative;z-index:1;flex:0 0 48px;width:48px;height:48px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--ink-900);
  border:1px solid rgba(23,227,166,.45);
  color:var(--brand);font-weight:700;font-size:15px;
  font-variant-numeric:tabular-nums;
}
.tl-body h3{font-size:19px;font-weight:600;line-height:1.5}
.tl-body p{margin-top:6px;font-size:14px;color:var(--text-300);max-width:680px}

/* ============ 资讯 / CMS ============ */
.news-card{
  height:100%;border-radius:var(--r-card);
  border:1px solid var(--line);background:var(--glass);
  box-shadow:var(--shadow-card);
  transition:transform .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease);
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(23,227,166,.4);background:linear-gradient(160deg,rgba(255,255,255,.1),rgba(255,255,255,.03))}
.news-link{display:flex;flex-direction:column;height:100%;padding:22px;gap:10px}
.news-title{
  font-size:18px;font-weight:600;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-excerpt{
  font-size:14px;color:var(--text-300);line-height:1.85;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-500);
}
.news-meta .go{color:var(--brand);font-size:16px;transition:transform .22s var(--ease)}
.news-card:hover .news-meta .go{transform:translateX(4px)}
.news-foot{margin-top:26px;text-align:center}
.empty-state{
  max-height:220px;padding:30px 20px;text-align:center;
  border:1px dashed rgba(255,255,255,.16);border-radius:var(--r-card);
  background:rgba(255,255,255,.02);
}
.empty-state i{font-size:34px;color:var(--text-500);display:block;margin-bottom:10px}
.empty-state p{font-size:15px;color:var(--text-300)}
.empty-state small{display:block;font-size:13px;color:var(--text-500);margin-top:6px}
.empty-state .btn-soft{margin-top:14px}

/* ============ FAQ ============ */
.faq{border-top:1px solid var(--line)}
.faq .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line);position:relative}
.faq .accordion-button{
  background:transparent;color:var(--text-100);
  font-size:16px;font-weight:600;line-height:1.6;
  padding:20px 46px 20px 18px;border-radius:0;box-shadow:none;
}
.faq .accordion-button:not(.collapsed){background:rgba(23,227,166,.06);color:var(--brand-hi)}
.faq .accordion-button:focus{box-shadow:none;outline:2px solid var(--brand);outline-offset:-2px}
.faq .accordion-button::after{
  background-image:none;content:"\2b";font-family:"Font Awesome 6 Free";font-weight:900;
  width:auto;height:auto;font-size:14px;color:var(--text-500);
  transform:none;transition:transform .22s var(--ease),color .22s var(--ease);right:16px;position:absolute;
}
.faq .accordion-button:not(.collapsed)::after{content:"\f068";color:var(--brand);transform:none}
.faq .accordion-item:has(.accordion-button:not(.collapsed))::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  background:var(--brand);border-radius:3px;
}
.faq .accordion-body{padding:0 46px 22px 18px;font-size:15px;line-height:1.9;color:var(--text-300)}

/* ============ 表单 / CTA ============ */
.cta-grid{display:grid;grid-template-columns:1fr;gap:28px}
.form-panel{
  padding:26px;border-radius:var(--r-card);
  border:1px solid var(--line);background:var(--glass);box-shadow:var(--shadow-card);
}
.form-grid{display:grid;grid-template-columns:1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:13px;color:var(--text-300);font-weight:600;letter-spacing:.02em}
.input-x{
  width:100%;min-height:48px;padding:12px 14px;
  border-radius:var(--r-input);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  color:var(--text-100);font-size:15px;
  transition:border-color .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease);
}
.input-x::placeholder{color:var(--text-500)}
.input-x:hover{border-color:rgba(255,255,255,.18)}
.input-x:focus{
  outline:none;border-color:var(--brand);
  background:rgba(23,227,166,.06);
  box-shadow:0 0 0 3px rgba(23,227,166,.13);
}
textarea.input-x{min-height:118px;resize:vertical;line-height:1.8}
select.input-x{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-300) 50%),linear-gradient(135deg,var(--text-300) 50%,transparent 50%);background-position:calc(100% - 20px) calc(1em + 4px),calc(100% - 14px) calc(1em + 4px);background-size:6px 6px,6px 6px;background-repeat:no-repeat;padding-right:40px}
.form-panel .btn-main{margin-top:18px;width:100%}
.form-note{margin-top:12px;font-size:13px;color:var(--text-500);line-height:1.7}
.form-tip{
  margin-top:14px;padding:12px 14px;border-radius:var(--r-input);
  font-size:14px;color:var(--ok);
  background:rgba(53,208,127,.1);border:1px solid rgba(53,208,127,.35);
}
.contact-side{
  padding:26px;border-radius:var(--r-card);
  border:1px solid var(--line);background:var(--ink-800);
  display:flex;flex-direction:column;gap:18px;
}
.contact-item{display:flex;gap:14px;align-items:flex-start}
.contact-item i{
  flex:0 0 38px;width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--brand);font-size:15px;
}
.contact-item h4{font-size:14px;font-weight:600;color:var(--text-100)}
.contact-item p{font-size:14px;color:var(--text-300);line-height:1.7}
.qr-box{
  margin-top:auto;padding:16px;border-radius:14px;
  border:1px dashed rgba(255,255,255,.16);
  display:flex;align-items:center;gap:14px;
}
.qr-code{
  flex:0 0 66px;width:66px;height:66px;border-radius:10px;
  background:
    repeating-linear-gradient(90deg,rgba(234,243,242,.85) 0 4px,transparent 4px 8px),
    repeating-linear-gradient(0deg,rgba(234,243,242,.5) 0 4px,transparent 4px 8px),
    #0F2027;
  border:1px solid var(--line);
}
.qr-box p{font-size:13px;color:var(--text-300);line-height:1.7}
.qr-box p strong{display:block;color:var(--text-100);font-size:14px;margin-bottom:2px}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-800);border-top:1px solid var(--line);padding-top:52px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;padding-bottom:36px}
.footer-brand p{margin-top:14px;font-size:14px;color:var(--text-300);line-height:1.85;max-width:320px}
.footer-col h4{font-size:14px;font-weight:700;color:var(--text-100);margin-bottom:14px;letter-spacing:.04em}
.footer-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}
.footer-col a,.footer-col span{font-size:14px;color:var(--text-300);line-height:1.7;transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--brand-hi)}
.footer-bottom{
  border-top:1px solid var(--line);padding:18px 0 22px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--text-500);
}

/* ============ 响应式 ============ */
@media (min-width:576px){
  .form-grid{grid-template-columns:1fr 1fr}
  .field-full{grid-column:1 / -1}
  .container-x{padding-left:24px;padding-right:24px}
}
@media (min-width:768px){
  .section{padding-top:88px;padding-bottom:88px}
  .container-x{padding-left:32px;padding-right:32px}
  .hero{padding-top:72px;padding-bottom:88px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
  .cta-grid{grid-template-columns:1.35fr 1fr}
  .stats{grid-template-columns:repeat(4,1fr)}
  .stat{border-bottom:0}
  .stat:last-child{border-right:0}
}
@media (min-width:992px){
  .topbar{display:none}
  .hero-grid{grid-template-columns:1.08fr .92fr;gap:48px}
  .container-x{padding-left:40px;padding-right:40px}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
}
@media (min-width:1200px){
  .container-x{padding-left:48px;padding-right:48px}
  .section{padding-top:112px;padding-bottom:112px}
}
@media (min-width:1400px){
  .news-col{flex:0 0 33.3333%;max-width:33.3333%}
}
@media (max-width:991.98px){
  .shell-sidebar{display:none}
  .shell-main{margin-left:0;padding-top:60px}
  .topbar{display:flex}
  .section{padding-top:64px;padding-bottom:64px}
  .hero{padding-top:36px}
}
@media (max-width:767.98px){
  .cases-scroll{display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:10px;margin-right:-20px;padding-right:8px;scrollbar-width:thin}
  .cases-scroll > *{flex:0 0 86%;scroll-snap-align:start}
  .case-mini{flex-direction:column;align-items:stretch;gap:12px}
  .case-mini .mini-thumb{width:100%;flex:0 0 auto;aspect-ratio:16/10}
  .float-card{min-width:126px;padding:10px 12px}
  .float-num{font-size:26px}
  .hero-actions .btn-main,.hero-actions .btn-ghost{flex:1 1 100%}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:519.98px){
  .visual-card{aspect-ratio:4/3}
  .section-head h2{font-size:23px}
  .tl-item{gap:16px}
  .tl-num{flex:0 0 42px;width:42px;height:42px;font-size:14px}
  .timeline::before{left:20px}
}

/* roulang page: article */
:root{
  --ink-900:#060E12;
  --ink-800:#0B1A20;
  --ink-700:#10262E;
  --brand:#17E3A6;
  --brand-hi:#45F5C0;
  --accent:#FF7A2F;
  --text-100:#EAF3F2;
  --text-200:#D3E1E0;
  --text-300:#B7C7CA;
  --text-500:#7C9195;
  --line:rgba(255,255,255,.09);
  --glass:linear-gradient(160deg,rgba(255,255,255,.075),rgba(255,255,255,.02));
  --ok:#35D07F;
  --warn:#FFB020;
  --r-card:18px;
  --r-img:14px;
  --r-input:12px;
  --r-badge:8px;
  --sidebar-w:248px;
  --ease:cubic-bezier(.4,0,.2,1);
  --num:"Barlow","DIN Alternate",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text-100);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.container-x{max-width:1280px;margin:0 auto;padding:0 20px;width:100%}
@media (min-width:768px){.container-x{padding:0 32px}}
@media (min-width:1200px){.container-x{padding:0 48px}}

/* ===== 品牌 ===== */
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;
  background:linear-gradient(150deg,var(--brand),#0B9E78);
  clip-path:polygon(50% 0,93% 25%,93% 75%,50% 100%,7% 75%,7% 25%);
  position:relative;
  box-shadow:0 0 18px rgba(23,227,166,.32);
}
.brand-mark::after{
  content:"";position:absolute;inset:9px;
  background:var(--ink-900);
  clip-path:polygon(50% 0,93% 25%,93% 75%,50% 100%,7% 75%,7% 25%);
}
.brand-text{display:flex;flex-direction:column;line-height:1.18}
.brand-main{font-size:17px;font-weight:700;color:var(--text-100);letter-spacing:.02em}
.brand-sub{font-size:11.5px;color:var(--brand);letter-spacing:.1em;margin-top:3px}

/* ===== 左侧导航 ===== */
.side-shell{
  position:fixed;top:0;left:0;width:var(--sidebar-w);height:100vh;
  background:var(--ink-800);
  border-right:1px solid var(--line);
  padding:26px 18px;
  display:flex;flex-direction:column;
  z-index:1040;
}
.side-nav{display:flex;flex-direction:column;gap:6px;margin-top:30px}
.side-link{
  display:flex;align-items:center;gap:12px;
  padding:12px 14px;
  border-radius:12px;
  color:var(--text-300);
  font-size:15px;
  position:relative;
  transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
}
.side-link i{width:18px;text-align:center;font-size:14px;color:var(--text-500);transition:color .22s var(--ease)}
.side-link:hover{background:rgba(255,255,255,.045);color:var(--text-100)}
.side-link:hover i{color:var(--brand)}
.side-link.active{background:var(--glass);color:var(--brand-hi);box-shadow:inset 0 1px 0 rgba(255,255,255,.06)}
.side-link.active i{color:var(--brand-hi)}
.side-link.active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:3px;background:var(--brand);
}
.side-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--line);font-size:13px;color:var(--text-500)}
.side-foot p{margin:0 0 6px}
.side-foot-title{color:var(--text-300);font-weight:600}
.side-foot a{color:var(--text-300);transition:color .2s var(--ease);word-break:break-all}
.side-foot a:hover{color:var(--brand-hi)}

/* ===== 移动端顶栏 ===== */
.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(11,26,32,.92);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  z-index:1050;
}
.topbar .brand-main{font-size:15px}
.topbar .brand-sub{font-size:10px}
.topbar .brand-mark{width:28px;height:28px;flex:0 0 28px}
.topbar .brand-mark::after{inset:7px}
.nav-toggle{
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  color:var(--text-100);display:inline-flex;align-items:center;justify-content:center;
  font-size:17px;cursor:pointer;transition:all .22s var(--ease);
}
.nav-toggle:hover{border-color:rgba(23,227,166,.5);color:var(--brand-hi)}
.nav-toggle:active{transform:scale(.96)}

/* ===== 抽屉 ===== */
.offcanvas.nav-drawer{
  background:var(--ink-800);
  width:82vw;max-width:320px;
  border-right:1px solid var(--line);
  color:var(--text-100);
}
.nav-drawer .offcanvas-header{
  border-bottom:1px solid var(--line);
  padding:18px 20px;
}
.drawer-title{font-size:15px;font-weight:700;color:var(--text-100)}
.btn-close-x{
  width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  color:var(--text-300);display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:all .2s var(--ease);
}
.btn-close-x:hover{color:var(--brand-hi);border-color:rgba(23,227,166,.5)}
.nav-drawer .offcanvas-body{padding:18px 16px;display:flex;flex-direction:column;height:100%}
.nav-drawer .side-link{font-size:17px;min-height:48px;padding:12px 14px}
.offcanvas-backdrop.show{background:rgba(6,14,18,.7);opacity:1}

/* ===== 主内容 ===== */
.main-shell{margin-left:var(--sidebar-w);min-height:100vh;padding-top:0}
@media (max-width:991.98px){
  .side-shell{display:none}
  .topbar{display:flex}
  .main-shell{margin-left:0;padding-top:60px}
}

/* ===== 面包屑 ===== */
.crumb-wrap{padding:34px 0 0}
.breadcrumb-x{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-500);
}
.breadcrumb-x a{color:var(--text-300);transition:color .2s var(--ease)}
.breadcrumb-x a:hover{color:var(--brand-hi)}
.breadcrumb-x .sep{color:rgba(255,255,255,.18)}
.breadcrumb-x .current{color:var(--text-500);max-width:100%;overflow-wrap:anywhere}

/* ===== 文章头 ===== */
.article-head{padding:22px 0 26px;border-bottom:1px solid var(--line);margin-top:6px}
.tag-x{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:var(--r-badge);
  font-size:12px;line-height:1.7;
  border:1px solid rgba(23,227,166,.42);
  background:rgba(23,227,166,.12);
  color:var(--brand-hi);
  transition:all .22s var(--ease);
}
a.tag-x:hover{background:rgba(23,227,166,.2);border-color:var(--brand);color:#06110E}
.tag-plain{border-color:var(--line);background:rgba(255,255,255,.04);color:var(--text-300)}
.article-h1{
  font-size:clamp(26px,3.4vw,40px);
  line-height:1.3;
  font-weight:700;
  color:var(--text-100);
  margin:16px 0 18px;
  overflow-wrap:anywhere;
  letter-spacing:0;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;
  font-size:13px;color:var(--text-500);
  font-variant-numeric:tabular-nums;
}
.meta-row i{margin-right:5px;color:var(--text-500)}
.meta-row .sep{color:rgba(255,255,255,.16)}
.meta-row .meta-cat{color:var(--brand)}

/* ===== 正文布局 ===== */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 220px;
  gap:56px;
  align-items:start;
  padding:36px 0 8px;
}
@media (max-width:1199.98px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0}
  .article-aside{display:none}
}
.article-main{min-width:0}
.article-body{
  max-width:780px;
  font-size:16.5px;
  line-height:1.95;
  color:var(--text-200);
  overflow-wrap:anywhere;
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;
  padding-left:16px;
  margin:38px 0 16px;
  font-size:clamp(22px,2.2vw,28px);
  line-height:1.35;
  font-weight:700;
  color:var(--text-100);
  scroll-margin-top:80px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.38em;
  width:4px;height:20px;border-radius:2px;background:var(--brand);
}
.article-body h3{
  font-size:20px;line-height:1.4;font-weight:600;
  color:var(--text-100);margin:26px 0 12px;
  scroll-margin-top:80px;
}
.article-body h4{font-size:17px;color:var(--text-100);margin:22px 0 10px;font-weight:600}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.4em}
.article-body li{margin-bottom:.5em;line-height:1.9}
.article-body li::marker{color:var(--brand)}
.article-body a{color:var(--brand-hi);border-bottom:1px solid rgba(23,227,166,.35);transition:border-color .2s var(--ease)}
.article-body a:hover{border-bottom-color:var(--brand-hi)}
.article-body strong{color:var(--text-100);font-weight:600}
.article-body blockquote{
  margin:24px 0;padding:14px 20px;
  border-left:3px solid var(--brand);
  background:var(--glass);
  border-radius:0 var(--r-input) var(--r-input) 0;
  color:var(--text-200);font-style:normal;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:24px auto;width:auto;max-width:100%}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--text-500);text-align:center;margin-top:10px}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;
  font-size:15px;border:1px solid var(--line);border-radius:var(--r-input);
  overflow:hidden;
}
.article-body th,.article-body td{
  border:1px solid var(--line);
  padding:10px 14px;text-align:left;vertical-align:top;
}
.article-body th{background:var(--ink-700);color:var(--text-100);font-weight:600}
.article-body tr:hover td{background:rgba(255,255,255,.025)}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:.92em;background:rgba(255,255,255,.07);
  padding:2px 6px;border-radius:6px;color:var(--brand-hi);
}
.article-body pre{
  background:#071319;border:1px solid var(--line);
  border-radius:var(--r-input);padding:16px 18px;
  overflow-x:auto;margin:24px 0;
}
.article-body pre code{background:none;padding:0;color:var(--text-200)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}

/* ===== 目录 ===== */
.article-aside{position:relative}
.toc{position:sticky;top:32px}
.toc-title{
  font-size:12px;letter-spacing:.12em;color:var(--text-500);
  margin:0 0 12px;font-weight:600;
}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:calc(100vh - 160px);overflow-y:auto}
.toc-list a{
  display:block;padding:7px 10px;
  border-left:2px solid var(--line);
  font-size:13.5px;line-height:1.55;color:var(--text-300);
  transition:all .2s var(--ease);
}
.toc-list a:hover{color:var(--brand-hi);border-left-color:rgba(23,227,166,.6)}
.toc-list a.active{
  color:var(--brand-hi);border-left-color:var(--brand);
  background:rgba(23,227,166,.07);
}

/* ===== 标签行 ===== */
.tag-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  margin:34px 0 0;padding-top:22px;border-top:1px solid var(--line);
  max-width:780px;
}
.tag-row-label{font-size:13px;color:var(--text-500);margin-right:4px}

/* ===== 继续了解 / 相关推荐 ===== */
.section-block{padding:46px 0 0}
.sec-title{
  position:relative;padding-left:16px;
  font-size:clamp(20px,2.1vw,26px);
  line-height:1.3;font-weight:700;color:var(--text-100);
  margin:0 0 22px;
}
.sec-title::before{
  content:"";position:absolute;left:0;top:.34em;
  width:4px;height:18px;border-radius:2px;background:var(--brand);
}
.next-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media (max-width:767.98px){.next-grid{grid-template-columns:1fr}}
.next-card{
  display:flex;align-items:center;gap:16px;
  padding:20px 22px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--glass);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  transition:all .22s var(--ease);
}
.next-card:hover{
  transform:translateY(-4px);
  border-color:rgba(23,227,166,.4);
  background:linear-gradient(160deg,rgba(255,255,255,.1),rgba(255,255,255,.03));
}
.next-icon{
  width:44px;height:44px;flex:0 0 44px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(23,227,166,.12);border:1px solid rgba(23,227,166,.3);
  color:var(--brand-hi);font-size:16px;
}
.next-body{min-width:0}
.next-body h3{font-size:16px;font-weight:600;color:var(--text-100);margin:0 0 4px;line-height:1.5}
.next-body p{font-size:13.5px;color:var(--text-500);line-height:1.7;margin:0}
.next-card .arw{margin-left:auto;color:var(--text-500);font-size:13px;transition:all .22s var(--ease)}
.next-card:hover .arw{color:var(--brand-hi);transform:translateX(4px)}

.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
@media (max-width:991.98px){.related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:575.98px){.related-grid{grid-template-columns:1fr}}
.rel-card{
  display:flex;flex-direction:column;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--glass);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  overflow:hidden;
  transition:all .22s var(--ease);
}
.rel-card:hover{
  transform:translateY(-4px);
  border-color:rgba(23,227,166,.4);
}
.rel-thumb{
  position:relative;width:100%;aspect-ratio:4/3;overflow:hidden;
  background:var(--ink-700);
}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.rel-body h3{
  font-size:15.5px;line-height:1.55;font-weight:600;color:var(--text-100);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-body p{
  font-size:13px;line-height:1.7;color:var(--text-500);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--text-500);font-variant-numeric:tabular-nums;padding-top:6px;
}
.rel-meta i{transition:transform .22s var(--ease)}
.rel-card:hover .rel-meta i{transform:translateX(4px);color:var(--brand-hi)}

/* ===== CTA 条 ===== */
.cta-strip{
  margin:56px 0 64px;
  position:relative;overflow:hidden;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:linear-gradient(120deg,rgba(23,227,166,.1),rgba(255,122,47,.06) 70%,transparent);
  padding:34px 36px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.cta-strip::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;
  border:1px solid rgba(255,255,255,.06);border-radius:50%;
}
.cta-strip h2{font-size:clamp(19px,2vw,24px);font-weight:700;color:var(--text-100);line-height:1.4;margin:0 0 8px}
.cta-strip p{font-size:14px;color:var(--text-300);margin:0;max-width:56ch}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1}

/* ===== 按钮 ===== */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:999px;border:1px solid transparent;
  background:var(--brand);color:#04140F;font-weight:600;font-size:15px;
  cursor:pointer;transition:all .22s var(--ease);
}
.btn-main:hover{background:var(--brand-hi);color:#04140F;transform:translateY(-2px);box-shadow:0 8px 26px rgba(23,227,166,.35)}
.btn-main:active{transform:translateY(0);box-shadow:none}
.btn-main:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:999px;
  background:transparent;border:1px solid var(--line);
  color:var(--text-100);font-weight:500;font-size:15px;
  cursor:pointer;transition:all .22s var(--ease);
}
.btn-ghost:hover{border-color:rgba(23,227,166,.55);color:var(--brand-hi);background:rgba(23,227,166,.06);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-ghost:disabled{opacity:.45;cursor:not-allowed;box-shadow:none;transform:none}

/* ===== 空态 ===== */
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;gap:10px;
  padding:44px 24px;border-radius:var(--r-card);
  border:1px dashed var(--line);background:rgba(255,255,255,.02);
}
.empty-state i{font-size:34px;color:var(--text-500)}
.empty-title{font-size:16px;font-weight:600;color:var(--text-100);margin:0}
.empty-sub{font-size:13.5px;color:var(--text-500);margin:0;max-width:48ch;line-height:1.8}
.empty-state .btn-ghost{margin-top:8px}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--ink-800);
  border-top:1px solid var(--line);
  padding:56px 0 0;
  margin-top:8px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:34px;
  padding-bottom:40px;
}
@media (max-width:991.98px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px}}
@media (max-width:575.98px){.footer-grid{grid-template-columns:1fr}}
.footer-brand p{font-size:14px;line-height:1.9;color:var(--text-300);margin-top:16px;max-width:36ch}
.footer-col h4{font-size:14px;font-weight:600;color:var(--text-100);margin:0 0 14px}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:10px;font-size:14px;color:var(--text-300);line-height:1.7}
.footer-col a{color:var(--text-300);transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--brand-hi)}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:20px 0;
  display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--text-500);font-variant-numeric:tabular-nums;
}
@media (max-width:575.98px){
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cta-strip{padding:26px 22px}
}

/* roulang page: category1 */
:root{
  --ink-900:#060E12;
  --ink-800:#0B1A20;
  --ink-700:#10262E;
  --brand:#17E3A6;
  --brand-hi:#45F5C0;
  --accent:#FF7A2F;
  --text-100:#EAF3F2;
  --text-300:#B7C7CA;
  --text-500:#7C9195;
  --line:rgba(255,255,255,.09);
  --glass:linear-gradient(160deg,rgba(255,255,255,.075),rgba(255,255,255,.02));
  --ok:#35D07F;
  --warn:#FFB020;
  --r-card:18px;
  --r-img:14px;
  --r-input:12px;
  --r-badge:8px;
  --side-w:248px;
  --ease:cubic-bezier(.4,0,.2,1);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:88px;}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text-100);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:0;}
p{margin:0 0 16px;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.num,.tabular{font-family:"Barlow","DIN Alternate",Arial,sans-serif;font-variant-numeric:tabular-nums;}

/* ============ 容器 ============ */
.container-x{max-width:1280px;margin:0 auto;padding:0 20px;}
@media(min-width:768px){.container-x{padding:0 32px;}}
@media(min-width:992px){.container-x{padding:0 48px;}}

/* ============ 左侧 App Shell ============ */
.side-bar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--side-w);
  background:var(--ink-800);
  border-right:1px solid var(--line);
  display:none;
  flex-direction:column;
  padding:28px 18px 22px;
  z-index:1040;
}
.brand{
  display:flex;align-items:center;gap:12px;
  padding:6px 10px 20px;
  border-bottom:1px solid var(--line);
  margin-bottom:22px;
}
.brand-mark{
  width:34px;height:38px;flex:0 0 34px;
  background:var(--brand);
  clip-path:polygon(50% 0%,100% 25%,100% 75%,50% 100%,0% 75%,0% 25%);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:8px;
  background:var(--ink-800);
  clip-path:polygon(50% 0%,100% 25%,100% 75%,50% 100%,0% 75%,0% 25%);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-main{font-size:17px;font-weight:700;color:var(--text-100);letter-spacing:.5px;}
.brand-sub{font-size:12px;color:var(--brand);letter-spacing:1px;font-weight:500;}
.side-nav{display:flex;flex-direction:column;gap:6px;}
.side-link{
  position:relative;
  display:flex;align-items:center;gap:12px;
  min-height:48px;
  padding:12px 14px;
  border-radius:12px;
  color:var(--text-300);
  font-size:15px;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.side-link i{width:18px;text-align:center;font-size:14px;opacity:.85;}
.side-link:hover{background:rgba(255,255,255,.05);color:var(--text-100);}
.side-link.active{
  background:var(--glass);
  color:var(--brand-hi);
  font-weight:600;
}
.side-link.active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;
  width:3px;border-radius:3px;background:var(--brand);
}
.side-foot{
  margin-top:auto;
  padding:16px 12px 0;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-500);
  line-height:1.9;
}
.side-foot strong{display:block;color:var(--text-300);font-weight:600;font-size:13px;margin-bottom:4px;}
.side-foot a{color:var(--brand);}
.side-foot a:hover{color:var(--brand-hi);}

/* ============ 移动端顶栏 + 抽屉 ============ */
.topbar{
  position:fixed;top:0;left:0;right:0;height:60px;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 18px;
  background:rgba(11,26,32,.86);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  z-index:1050;
}
.topbar .brand{padding:0;border:0;margin:0;}
.topbar .brand-mark{width:26px;height:30px;flex:0 0 26px;}
.topbar .brand-main{font-size:15px;}
.topbar .brand-sub{font-size:10px;}
.burger{
  width:44px;height:44px;display:flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--line);border-radius:12px;
  color:var(--text-100);font-size:17px;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.burger:hover{border-color:var(--brand);color:var(--brand-hi);}
.drawer{
  background:var(--ink-800)!important;
  color:var(--text-100);
  width:82vw!important;max-width:320px;
  border-right:1px solid var(--line);
}
.drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:18px;}
.drawer .offcanvas-body{padding:18px;}
.drawer .side-link{font-size:17px;min-height:48px;}
.offcanvas-backdrop.show{opacity:1;background-color:rgba(6,14,18,.7);}

/* ============ 主内容区 ============ */
.main-area{
  margin-left:0;
  padding-top:60px;
  min-height:100vh;
  background:var(--ink-900);
}
@media(min-width:992px){
  .side-bar{display:flex;}
  .topbar{display:none;}
  .main-area{margin-left:var(--side-w);padding-top:0;}
}

/* ============ 面包屑 ============ */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-500);
  padding:26px 0 0;
}
.crumb a{color:var(--text-300);}
.crumb a:hover{color:var(--brand-hi);}
.crumb span.sep{color:rgba(255,255,255,.22);}
.crumb .cur{color:var(--text-500);}

/* ============ Hero ============ */
.page-hero{
  position:relative;
  border-bottom:1px solid var(--line);
  background:
    radial-gradient(720px 320px at 88% -10%,rgba(23,227,166,.10),transparent 70%),
    var(--ink-900);
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(70% 90% at 78% 0%,#000,transparent 72%);
  mask-image:radial-gradient(70% 90% at 78% 0%,#000,transparent 72%);
  pointer-events:none;
}
.hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:32px;
  padding:28px 0 56px;
}
@media(min-width:992px){
  .hero-grid{grid-template-columns:minmax(0,1.4fr) minmax(0,.75fr);gap:48px;padding:36px 0 72px;align-items:start;}
}
.badge-x{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 12px;
  font-size:12px;font-weight:600;
  border-radius:var(--r-badge);
  border:1px solid rgba(23,227,166,.4);
  background:rgba(23,227,166,.12);
  color:var(--brand-hi);
  margin-bottom:18px;
}
.badge-x.accent{
  border-color:rgba(255,122,47,.42);
  background:rgba(255,122,47,.12);
  color:#FFB083;
}
.page-hero h1{
  font-size:clamp(30px,4.2vw,52px);
  line-height:1.15;
  font-weight:700;
  margin-bottom:20px;
  max-width:20em;
}
.page-hero h1 em{font-style:normal;color:var(--brand);}
.hero-lead{
  font-size:16px;line-height:1.95;color:var(--text-300);
  max-width:640px;margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:24px;}
.btn-main,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;
  padding:13px 26px;
  font-size:15px;font-weight:700;
  cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
  border:1px solid transparent;
  min-height:48px;
}
.btn-main{
  background:var(--brand);
  color:#04120D;
  border-color:var(--brand);
  box-shadow:0 0 0 rgba(23,227,166,0);
}
.btn-main:hover{
  background:var(--brand-hi);border-color:var(--brand-hi);
  transform:translateY(-2px);
  box-shadow:0 8px 26px rgba(23,227,166,.35);
  color:#04120D;
}
.btn-main:active{transform:translateY(0);box-shadow:0 4px 14px rgba(23,227,166,.28);}
.btn-ghost{
  background:transparent;
  color:var(--text-100);
  border-color:var(--line);
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-hi);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-main[disabled],.btn-ghost[disabled]{opacity:.45;box-shadow:none;transform:none;cursor:not-allowed;}
.mini-points{display:flex;flex-wrap:wrap;gap:18px;font-size:13px;color:var(--text-500);}
.mini-points li{display:flex;align-items:center;gap:8px;}
.mini-points li::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);
  box-shadow:0 0 0 4px rgba(23,227,166,.12);
}
.hero-figure{
  position:relative;margin:0;
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--ink-800);
}
.hero-figure img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  filter:saturate(.9);
}
.hero-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,14,18,.25) 0%,rgba(6,14,18,.05) 40%,rgba(6,14,18,.88) 100%);
}
.hero-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:16px 18px;
  font-size:13px;color:var(--text-300);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
}
.hero-figure figcaption .state{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;
  color:var(--ok);
  border:1px solid rgba(53,208,127,.4);
  background:rgba(53,208,127,.12);
  border-radius:var(--r-badge);
  padding:4px 10px;
  white-space:nowrap;
}
.hero-figure figcaption .state::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--ok);}

/* ============ 正文布局：锚点目录 + 长文 ============ */
.guide-wrap{
  background:var(--ink-900);
  padding:56px 0 72px;
  border-bottom:1px solid var(--line);
}
.guide-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:36px;
  align-items:start;
}
@media(min-width:992px){
  .guide-layout{grid-template-columns:208px minmax(0,1fr);gap:48px;}
}
.guide-toc{
  border:1px solid var(--line);
  background:var(--ink-800);
  border-radius:var(--r-card);
  padding:20px 18px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
@media(min-width:992px){
  .guide-toc{position:sticky;top:32px;}
}
.guide-toc h2{
  font-size:13px;font-weight:600;color:var(--text-500);
  letter-spacing:2px;margin-bottom:14px;padding-bottom:12px;
  border-bottom:1px solid var(--line);
}
.guide-toc h2::before{display:none;}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  display:flex;align-items:center;gap:10px;
  padding:9px 10px;
  border-radius:10px;
  font-size:14px;
  color:var(--text-300);
  border-left:2px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.toc-list a span{font-family:"Barlow","DIN Alternate",Arial,sans-serif;font-size:12px;color:var(--text-500);font-variant-numeric:tabular-nums;}
.toc-list a:hover{background:rgba(255,255,255,.05);color:var(--text-100);}
.toc-list a.on{background:var(--glass);color:var(--brand-hi);border-left-color:var(--brand);font-weight:600;}
.toc-list a.on span{color:var(--brand);}
.toc-tip{
  margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
  font-size:12px;line-height:1.8;color:var(--text-500);
}

.guide-main{max-width:840px;}
.guide-section{padding:0 0 34px;margin-bottom:34px;border-bottom:1px solid var(--line);}
.guide-section:last-of-type{border-bottom:0;margin-bottom:0;}
.guide-main h2{
  display:flex;align-items:center;gap:12px;
  font-size:clamp(24px,2.6vw,34px);
  line-height:1.25;
  margin-bottom:16px;
}
.guide-main h2::before{
  content:"";flex:0 0 4px;width:4px;height:20px;border-radius:2px;background:var(--brand);
}
.guide-main h2 .idx{
  font-size:14px;font-weight:700;color:var(--accent);
  letter-spacing:1px;
}
.guide-main h3{
  font-size:20px;line-height:1.4;font-weight:600;
  margin:26px 0 12px;
  color:var(--text-100);
}
.guide-main p{color:var(--text-300);font-size:16px;line-height:1.95;}
.guide-main p strong{color:var(--text-100);font-weight:600;}
.step-list{counter-reset:step;display:flex;flex-direction:column;gap:14px;margin:18px 0 6px;}
.step-list li{
  counter-increment:step;
  position:relative;
  padding:14px 18px 14px 54px;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--glass);
  color:var(--text-300);
  font-size:15px;line-height:1.85;
  transition:border-color .22s var(--ease),transform .22s var(--ease),background .22s var(--ease);
}
.step-list li:hover{border-color:rgba(23,227,166,.4);transform:translateY(-2px);}
.step-list li::before{
  content:counter(step,decimal-leading-zero);
  position:absolute;left:16px;top:14px;
  font-family:"Barlow","DIN Alternate",Arial,sans-serif;
  font-variant-numeric:tabular-nums;
  font-size:14px;font-weight:700;color:var(--brand);
}
.step-list li b{color:var(--text-100);font-weight:600;}
.dot-list{display:flex;flex-direction:column;gap:10px;margin:16px 0 6px;}
.dot-list li{
  position:relative;padding-left:20px;
  font-size:15px;line-height:1.85;color:var(--text-300);
}
.dot-list li::before{
  content:"";position:absolute;left:2px;top:11px;
  width:6px;height:6px;border-radius:50%;background:var(--brand);opacity:.8;
}
.note-box{
  border:1px solid rgba(255,176,32,.32);
  background:rgba(255,176,32,.08);
  border-radius:var(--r-card);
  padding:16px 18px;
  font-size:14px;line-height:1.85;color:#FFD79A;
  margin-top:18px;
}
.note-box strong{color:#FFE6BE;}

/* 双列对照卡 */
.compare-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:20px;
  margin:22px 0 8px;
}
@media(min-width:768px){.compare-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
.compare-card{
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--glass);
  padding:24px 22px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  transition:border-color .22s var(--ease),transform .22s var(--ease);
}
.compare-card:hover{border-color:rgba(23,227,166,.4);transform:translateY(-4px);}
.compare-card .cc-head{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.compare-card .cc-icon{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(23,227,166,.12);
  border:1px solid rgba(23,227,166,.3);
  color:var(--brand);
  font-size:16px;
}
.compare-card h3{font-size:17px;margin:0;font-weight:600;}
.compare-card ul{display:flex;flex-direction:column;gap:9px;}
.compare-card ul li{
  position:relative;padding-left:18px;
  font-size:14px;line-height:1.8;color:var(--text-300);
}
.compare-card ul li::before{
  content:"";position:absolute;left:0;top:9px;
  width:8px;height:2px;border-radius:2px;background:var(--brand);opacity:.85;
}
.compare-card .cc-foot{
  margin-top:16px;padding-top:12px;border-top:1px solid var(--line);
  font-size:12px;color:var(--text-500);
}

/* CTA 条 */
.cta-strip{
  margin-top:36px;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:
    radial-gradient(520px 200px at 90% 0%,rgba(23,227,166,.14),transparent 70%),
    var(--glass);
  padding:28px 26px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.cta-strip h3{font-size:20px;margin-bottom:6px;}
.cta-strip p{margin:0;font-size:14px;color:var(--text-300);line-height:1.8;}

/* ============ FAQ ============ */
.faq-wrap{background:var(--ink-800);padding:64px 0;border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:32px;}
.section-head h2{
  display:flex;align-items:center;gap:12px;
  font-size:clamp(24px,2.6vw,34px);line-height:1.25;margin-bottom:12px;
}
.section-head h2::before{
  content:"";flex:0 0 4px;width:4px;height:20px;border-radius:2px;background:var(--brand);
}
.section-head p{color:var(--text-300);font-size:15px;margin:0;}
.faq-list{max-width:900px;}
.accordion-item{
  background:transparent!important;
  border:0!important;
  border-bottom:1px solid var(--line)!important;
}
.accordion-button{
  background:transparent!important;
  color:var(--text-100)!important;
  font-size:16px;font-weight:600;
  padding:20px 44px 20px 18px!important;
  box-shadow:none!important;
  position:relative;
  line-height:1.6;
  transition:color .2s var(--ease);
}
.accordion-button::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;
  border-radius:3px;background:var(--brand);
  opacity:0;transition:opacity .2s var(--ease);
}
.accordion-button:not(.collapsed){color:var(--brand-hi)!important;}
.accordion-button:not(.collapsed)::before{opacity:1;}
.accordion-button:hover{color:var(--brand-hi)!important;}
.accordion-button::after{
  background-image:none!important;
  content:"+";
  width:24px;height:24px;
  display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:400;line-height:1;
  color:var(--brand);
  position:absolute;right:16px;top:50%;
  transform:translateY(-50%);
  transition:transform .2s var(--ease),color .2s var(--ease);
}
.accordion-button:not(.collapsed)::after{content:"−";transform:translateY(-50%);}
.accordion-body{
  padding:0 18px 22px!important;
  font-size:15px;line-height:1.9;color:var(--text-300);
}

/* ============ 相关分类卡 ============ */
.next-wrap{background:var(--ink-900);padding:64px 0 76px;}
.next-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:24px;}
@media(min-width:768px){.next-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
.next-card{
  display:block;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--glass);
  overflow:hidden;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  transition:border-color .22s var(--ease),transform .22s var(--ease),background .22s var(--ease);
}
.next-card:hover{border-color:rgba(23,227,166,.4);transform:translateY(-4px);background:rgba(255,255,255,.055);}
.next-card .thumb{overflow:hidden;}
.next-card .thumb img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  transition:transform .4s var(--ease);
}
.next-card:hover .thumb img{transform:scale(1.04);}
.next-card .nc-body{padding:22px 22px 24px;}
.next-card .nc-tag{
  display:inline-block;
  font-size:12px;font-weight:600;
  color:var(--brand-hi);
  border:1px solid rgba(23,227,166,.4);
  background:rgba(23,227,166,.12);
  border-radius:var(--r-badge);
  padding:4px 10px;
  margin-bottom:12px;
}
.next-card h3{font-size:19px;line-height:1.4;margin-bottom:8px;}
.next-card p{font-size:14px;color:var(--text-300);line-height:1.8;margin-bottom:14px;}
.arrow-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--brand);
}
.arrow-link i{transition:transform .2s var(--ease);font-size:12px;}
.next-card:hover .arrow-link i{transform:translateX(4px);}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-800);border-top:1px solid var(--line);padding:56px 0 0;}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:34px;
  padding-bottom:40px;
}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(min-width:992px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:40px;}}
.footer-brand .brand{padding:0 0 16px;border-bottom:0;margin-bottom:0;}
.footer-brand p{font-size:13px;line-height:1.9;color:var(--text-500);margin:0;max-width:340px;}
.footer-col h4{
  font-size:14px;font-weight:600;color:var(--text-100);
  margin-bottom:14px;letter-spacing:.5px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col ul li{font-size:13px;color:var(--text-500);line-height:1.8;}
.footer-col ul li a{color:var(--text-300);}
.footer-col ul li a:hover{color:var(--brand-hi);}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:var(--text-500);
}
@media(max-width:575.98px){
  .footer-bottom{flex-direction:column;}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;}
  .cta-strip{padding:22px 18px;}
  .cta-strip .btn-main{width:100%;}
}

/* roulang page: category2 */
:root{
  --ink-900:#060E12;
  --ink-800:#0B1A20;
  --ink-700:#10262E;
  --brand:#17E3A6;
  --brand-hi:#45F5C0;
  --accent:#FF7A2F;
  --text-100:#EAF3F2;
  --text-300:#B7C7CA;
  --text-500:#7C9195;
  --line:rgba(255,255,255,.09);
  --glass:linear-gradient(160deg,rgba(255,255,255,.075),rgba(255,255,255,.02));
  --ok:#35D07F;
  --warn:#FFB020;
  --r-card:18px;
  --r-img:14px;
  --r-input:12px;
  --r-badge:8px;
  --ease:cubic-bezier(.4,0,.2,1);
  --pad-x:20px;
  --side-w:248px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text-100);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand-hi)}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding-left:0}
button{font-family:inherit}
::selection{background:rgba(23,227,166,.28);color:#04120E}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

.container-x{width:100%;max-width:1280px;margin:0 auto;padding:0 var(--pad-x)}

/* ---------- 侧栏 ---------- */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--side-w);
  background:var(--ink-800);
  border-right:1px solid var(--line);
  padding:30px 18px 24px;
  display:flex;flex-direction:column;gap:26px;
  overflow-y:auto;
  z-index:1040;
}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;
  background:linear-gradient(140deg,var(--brand),#0A9C74);
  clip-path:polygon(50% 0%,93% 25%,93% 75%,50% 100%,7% 75%,7% 25%);
  box-shadow:0 0 20px rgba(23,227,166,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-main{font-size:17px;font-weight:700;letter-spacing:.6px;color:var(--text-100)}
.brand-sub{font-size:12px;letter-spacing:2px;color:var(--text-500)}
.side-nav{display:flex;flex-direction:column;gap:6px}
.side-link{
  position:relative;
  display:flex;align-items:center;gap:12px;
  padding:12px 14px;
  border-radius:12px;
  color:var(--text-300);
  font-size:15px;
  border:1px solid transparent;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.side-link i{width:18px;text-align:center;font-size:14px;color:var(--text-500);transition:color .22s var(--ease)}
.side-link::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:18px;border-radius:2px;background:var(--brand);
  opacity:0;transition:opacity .22s var(--ease);
}
.side-link:hover{background:rgba(255,255,255,.05);color:var(--brand-hi)}
.side-link:hover i{color:var(--brand-hi)}
.side-link.active{background:var(--glass);border-color:rgba(23,227,166,.28);color:var(--brand-hi)}
.side-link.active i{color:var(--brand)}
.side-link.active::before{opacity:1}
.side-contact{
  margin-top:auto;
  border-top:1px solid var(--line);
  padding-top:18px;
  display:flex;flex-direction:column;gap:6px;
  font-size:13px;color:var(--text-500);
}
.side-contact strong{color:var(--text-300);font-weight:600;font-size:13px}

/* ---------- 移动端顶栏与抽屉 ---------- */
.topbar{
  display:none;
  position:sticky;top:0;z-index:1030;
  height:60px;
  align-items:center;justify-content:space-between;
  padding:0 16px;
  background:rgba(11,26,32,.92);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.topbar .brand-main{font-size:15px}
.topbar .brand-sub{font-size:10px;letter-spacing:1.4px}
.topbar .brand-mark{width:32px;height:32px;flex:0 0 32px}
.nav-toggle{
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);
  background:transparent;color:var(--text-100);
  display:grid;place-items:center;font-size:18px;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.nav-toggle:hover{border-color:rgba(23,227,166,.5);color:var(--brand-hi)}
.side-drawer{
  background:var(--ink-800)!important;
  color:var(--text-100);
  width:82vw;max-width:320px;
  border-right:1px solid var(--line);
}
.side-drawer .offcanvas-header{padding:20px 18px 0;border-bottom:0}
.side-drawer .offcanvas-body{padding:18px;display:flex;flex-direction:column;gap:22px}
.side-drawer .side-link{font-size:17px;min-height:48px}
.side-drawer .btn-close{filter:invert(1) grayscale(1) brightness(1.8);opacity:.65}
.offcanvas-backdrop.show{opacity:.72;background:#060E12}

/* ---------- 主区 ---------- */
.main{margin-left:var(--side-w);min-height:100vh}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:26px 0 0;
  font-size:13px;color:var(--text-500);
}
.crumb a{color:var(--text-300)}
.crumb a:hover{color:var(--brand-hi)}
.crumb .sep{opacity:.45}
.crumb .cur{color:var(--text-500)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:76px 0 70px;border-bottom:1px solid var(--line)}
.hero-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center 30%;
  opacity:.34;
}
.hero-veil{
  position:absolute;inset:0;
  background:
    radial-gradient(660px 340px at 50% 0%,rgba(23,227,166,.16),transparent 68%),
    linear-gradient(180deg,rgba(6,14,18,.55),rgba(6,14,18,.9) 78%,var(--ink-900));
}
.hero-inner{position:relative;z-index:2;max-width:880px;margin:0 auto;text-align:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 12px;border-radius:var(--r-badge);
  border:1px solid rgba(53,208,127,.4);
  background:rgba(53,208,127,.12);
  color:var(--ok);font-size:12px;letter-spacing:.5px;
  margin-bottom:22px;
}
.hero-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 3px rgba(53,208,127,.18)}
.hero h1{
  font-size:clamp(28px,3.8vw,46px);
  line-height:1.2;font-weight:700;letter-spacing:.3px;
}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero-lead{
  margin:20px auto 0;max-width:720px;
  color:var(--text-300);font-size:16px;line-height:1.9;
}
.hero-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-top:32px}
.mini-points{
  display:flex;flex-wrap:wrap;justify-content:center;gap:12px 26px;
  margin-top:32px;font-size:13px;color:var(--text-500);
}
.mini-points span{display:inline-flex;align-items:center;gap:8px}
.mini-points .d{width:5px;height:5px;border-radius:50%;background:var(--brand);opacity:.85}

/* ---------- 按钮 ---------- */
.btn-main,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 26px;
  border-radius:999px;
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.btn-main{background:var(--brand);color:#04120E;box-shadow:0 0 0 rgba(23,227,166,0)}
.btn-main:hover{background:var(--brand-hi);color:#04120E;transform:translateY(-2px);box-shadow:0 8px 26px rgba(23,227,166,.35)}
.btn-main:active{transform:translateY(0);box-shadow:0 4px 14px rgba(23,227,166,.28)}
.btn-ghost{background:rgba(255,255,255,.03);border-color:var(--line);color:var(--text-100)}
.btn-ghost:hover{border-color:rgba(23,227,166,.55);color:var(--brand-hi);transform:translateY(-2px);box-shadow:0 8px 22px rgba(0,0,0,.28)}
.btn-ghost:active{transform:translateY(0)}
.btn-main i,.btn-ghost i{font-size:13px}
.btn-disabled,.btn-main:disabled,.btn-ghost:disabled{opacity:.45;pointer-events:none;box-shadow:none;transform:none}

/* ---------- 板块 ---------- */
.section{padding:88px 0;border-bottom:1px solid var(--line)}
.section.alt{background:var(--ink-800)}
.section-head{max-width:780px;margin:0 auto 46px;text-align:center}
.section-head h2{
  position:relative;display:inline-block;
  padding-left:16px;
  font-size:clamp(24px,2.6vw,34px);line-height:1.25;font-weight:700;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:20px;border-radius:2px;background:var(--brand);
}
.section-head p{margin-top:14px;color:var(--text-300);font-size:15px;line-height:1.85}

/* ---------- Bento ---------- */
.bento{
  display:grid;
  grid-template-columns:repeat(6,1fr);
  grid-auto-rows:minmax(150px,auto);
  gap:20px;
}
.bcard{
  position:relative;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease);
  overflow:hidden;
}
.bcard:hover{transform:translateY(-4px);border-color:rgba(23,227,166,.4);background:linear-gradient(160deg,rgba(255,255,255,.1),rgba(255,255,255,.03))}
.bcard .ico{
  width:44px;height:44px;border-radius:12px;
  display:grid;place-items:center;
  background:rgba(23,227,166,.12);
  border:1px solid rgba(23,227,166,.22);
  color:var(--brand);font-size:18px;
  margin-bottom:16px;
}
.bcard h3{font-size:20px;line-height:1.4;font-weight:600;margin-bottom:8px}
.bcard p{color:var(--text-300);font-size:15px;line-height:1.8}
.b1{grid-column:span 3;grid-row:span 2}
.b2{grid-column:span 3}
.b3{grid-column:span 3}
.b4{grid-column:span 4}
.b5{grid-column:span 2}
.b1-figure{
  margin-top:20px;border-radius:var(--r-img);overflow:hidden;
  aspect-ratio:16/9;border:1px solid var(--line);
}
.b1-figure img{width:100%;height:100%;object-fit:cover}
.blist{list-style:none;margin:18px 0 0;display:flex;flex-direction:column;gap:10px}
.blist li{display:flex;gap:10px;font-size:14.5px;color:var(--text-300);line-height:1.75}
.blist i{color:var(--brand);font-size:11px;margin-top:7px}
.b4 .mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:18px}
.b4 .mini-grid div{
  padding:14px 16px;border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.025);
  font-size:14px;color:var(--text-300);line-height:1.7;
}
.b4 .mini-grid strong{display:block;color:var(--text-100);font-weight:600;font-size:14.5px;margin-bottom:4px}

/* ---------- 对照表 ---------- */
.table-wrap{
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:rgba(255,255,255,.02);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
}
table.cmp{width:100%;min-width:760px;border-collapse:collapse;font-size:15px}
.cmp thead th{
  background:var(--ink-700);
  color:var(--text-100);
  font-size:13.5px;font-weight:600;letter-spacing:.6px;
  text-align:left;
  padding:16px 20px;
  white-space:nowrap;
}
.cmp tbody td{
  padding:16px 20px;
  border-top:1px solid var(--line);
  color:var(--text-300);
  vertical-align:top;
  line-height:1.8;
}
.cmp tbody td:first-child{color:var(--text-100);font-weight:600;white-space:nowrap}
.cmp tbody tr{transition:background .2s var(--ease)}
.cmp tbody tr:hover{background:rgba(23,227,166,.07)}
.cmp th:first-child,.cmp td:first-child{
  position:sticky;left:0;z-index:2;
  background:var(--ink-800);
  box-shadow:1px 0 0 var(--line);
}
.cmp thead th:first-child{background:var(--ink-700)}
.table-note{margin-top:14px;font-size:13px;color:var(--text-500)}

/* ---------- 步骤条 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.step{position:relative}
.step-dot{
  width:46px;height:46px;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid rgba(23,227,166,.5);
  background:rgba(23,227,166,.09);
  color:var(--brand);
  font-weight:700;font-size:15px;
  font-variant-numeric:tabular-nums;
}
.step-line{
  position:absolute;top:23px;left:58px;right:-26px;height:1px;
  background:var(--line);
}
.step:last-child .step-line{display:none}
.step h3{margin:18px 0 8px;font-size:18px;font-weight:600;line-height:1.4}
.step p{color:var(--text-300);font-size:15px;line-height:1.85}

/* ---------- 双栏图文 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.split-figure{
  position:relative;border-radius:var(--r-img);overflow:hidden;
  aspect-ratio:4/3;border:1px solid var(--line);
}
.split-figure img{width:100%;height:100%;object-fit:cover}
.split-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,14,18,.08),rgba(6,14,18,.62));
}
.split-copy h2{
  position:relative;display:block;padding-left:16px;
  font-size:clamp(22px,2.4vw,30px);line-height:1.3;font-weight:700;
}
.split-copy h2::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:20px;border-radius:2px;background:var(--brand);
}
.split-copy > p{margin-top:16px;color:var(--text-300);font-size:15.5px;line-height:1.85}
.check-list{list-style:none;margin:24px 0 0;display:flex;flex-direction:column;gap:14px}
.check-list li{display:flex;gap:12px;font-size:15.5px;color:var(--text-300);line-height:1.8}
.check-list i{color:var(--brand);font-size:13px;margin-top:6px}
.check-list strong{color:var(--text-100);font-weight:600}

/* ---------- 状态条 ---------- */
.notice-bar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  padding:26px 28px;
  border-radius:var(--r-card);
  border:1px solid rgba(23,227,166,.28);
  background:linear-gradient(120deg,rgba(23,227,166,.13),rgba(255,255,255,.03));
}
.notice-text{display:flex;align-items:flex-start;gap:14px;max-width:640px}
.chip-ok{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:var(--r-badge);
  border:1px solid rgba(53,208,127,.42);
  background:rgba(53,208,127,.12);
  color:var(--ok);font-size:12px;white-space:nowrap;
  margin-top:4px;
}
.notice-text p{color:var(--text-300);font-size:15px;line-height:1.8}
.notice-text strong{color:var(--text-100);font-weight:600}
.notice-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-wrap .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}
.faq-wrap .accordion-item:first-child{border-top:1px solid var(--line)}
.faq-wrap .accordion-button{
  position:relative;
  background:transparent;
  color:var(--text-100);
  font-size:16px;font-weight:600;
  padding:20px 44px 20px 14px;
  border-radius:0;box-shadow:none;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.faq-wrap .accordion-button::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;
  border-radius:2px;background:var(--brand);opacity:0;
  transition:opacity .2s var(--ease);
}
.faq-wrap .accordion-button:not(.collapsed){color:var(--brand-hi);background:rgba(23,227,166,.04);box-shadow:none}
.faq-wrap .accordion-button:not(.collapsed)::before{opacity:1}
.faq-wrap .accordion-button:focus{box-shadow:none;outline:2px solid var(--brand);outline-offset:2px}
.faq-wrap .accordion-button::after{
  content:"\f078";
  font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:12px;color:var(--text-500);
  background-image:none;width:auto;height:auto;
  position:absolute;right:14px;top:50%;transform:translateY(-50%);
  transition:transform .22s var(--ease),color .22s var(--ease);
}
.faq-wrap .accordion-button:not(.collapsed)::after{transform:translateY(-50%) rotate(180deg);color:var(--brand)}
.faq-wrap .accordion-body{
  padding:0 44px 22px 14px;
  color:var(--text-300);font-size:15px;line-height:1.9;
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-800);
  border-top:1px solid var(--line);
  padding:56px 0 24px;
}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:36px}
.footer-brand p{margin-top:16px;color:var(--text-300);font-size:14px;line-height:1.85;max-width:340px}
.footer-col h4{font-size:14px;font-weight:600;color:var(--text-100);letter-spacing:.5px;margin-bottom:14px}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-col li{font-size:14px;color:var(--text-500)}
.footer-col a{color:var(--text-300);font-size:14px}
.footer-col a:hover{color:var(--brand-hi)}
.footer-bottom{
  margin-top:40px;padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--text-500);
  font-variant-numeric:tabular-nums;
}

/* ---------- 响应式 ---------- */
@media (min-width:768px){:root{--pad-x:32px}}
@media (min-width:1200px){:root{--pad-x:48px}}

@media (max-width:991.98px){
  .sidebar{display:none}
  .main{margin-left:0}
  .topbar{display:flex}
  .hero{padding:56px 0 52px}
  .section{padding:64px 0}
  .bento{grid-template-columns:repeat(2,1fr);grid-auto-rows:auto}
  .b1,.b2,.b3,.b4,.b5{grid-column:span 2;grid-row:auto}
  .split{grid-template-columns:1fr;gap:28px}
  .split-figure{aspect-ratio:16/10}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767.98px){
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  .steps{grid-template-columns:1fr;gap:30px}
  .step-line{display:none}
  .b4 .mini-grid{grid-template-columns:1fr}
  .hero-actions .btn-main,.hero-actions .btn-ghost{flex:1 1 100%}
  .notice-bar{flex-direction:column;align-items:flex-start;padding:22px}
  .notice-actions{width:100%}
  .notice-actions .btn-main,.notice-actions .btn-ghost{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr;gap:26px}
}
@media (max-width:575.98px){
  body{font-size:15.5px}
  .bento{grid-template-columns:1fr}
  .b1,.b2,.b3,.b4,.b5{grid-column:span 1}
  .bcard{padding:22px}
  .hero h1{font-size:clamp(25px,7vw,32px)}
  .crumb{font-size:12px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}