/* roulang page: index */
:root{
  --brand:#12D6B4;
  --brand-hover:#2BE9C7;
  --brand-active:#0FB69A;
  --brand-deep:#0E7F6C;
  --accent:#6A7BFF;
  --warm:#FFB454;
  --bg:#060A12;
  --bg-2:#0A111D;
  --glass:rgba(255,255,255,.045);
  --glass-2:rgba(255,255,255,.07);
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.16);
  --text:#E9EFF8;
  --text-2:#A3B0C6;
  --text-3:#67748C;
  --on-brand:#04120F;
  --r-card:18px;
  --r-panel:22px;
  --r-btn:12px;
  --shadow-card:0 1px 0 rgba(255,255,255,.06) inset,0 10px 30px rgba(0,0,0,.45);
  --shadow-hover:0 16px 44px rgba(0,0,0,.55);
  --mono:"JetBrains Mono","SFMono-Regular",ui-monospace,Menlo,Consolas,monospace;
  --sans:"HarmonyOS Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --sec-y:96px;

  --bs-primary:#12D6B4;
  --bs-body-bg:#060A12;
  --bs-body-color:#E9EFF8;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-border-radius:12px;
  --bs-border-radius-sm:12px;
  --bs-border-radius-lg:18px;
  --bs-link-color:#12D6B4;
  --bs-link-hover-color:#2BE9C7;
  --bs-font-sans-serif:"HarmonyOS Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
a:hover{color:inherit}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
::selection{background:rgba(18,214,180,.3);color:#fff}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}

/* ---------- 按钮 ---------- */
.btn{
  --bs-btn-border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:500;line-height:1;
  padding:13px 22px;border-radius:var(--r-btn);
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,border-color .22s ease,color .22s ease;
  white-space:nowrap;
}
.btn:focus{box-shadow:none}
.btn-cta{
  background:var(--brand);color:var(--on-brand);font-weight:700;
  box-shadow:0 0 0 1px rgba(18,214,180,.5),0 0 26px rgba(18,214,180,.38);
}
.btn-cta:active{background:var(--brand-active);box-shadow:inset 0 2px 8px rgba(0,0,0,.35);transform:translateY(0)}
.btn-ghost{
  background:transparent;color:var(--text);
  border:1px solid rgba(18,214,180,.45);
}
.btn-ghost:active{background:rgba(18,214,180,.18)}
.btn-plain{
  background:rgba(255,255,255,.06);color:var(--text-2);border:1px solid var(--line);
}
.btn-lg{padding:16px 30px;font-size:16px}
.btn-sm{padding:10px 16px;font-size:14px}
.btn-block{width:100%}
.btn-outline{
  background:transparent;color:var(--brand);border:1px solid rgba(18,214,180,.45);
}
.btn-outline:active{background:rgba(18,214,180,.18)}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand);
  font-size:15px;font-weight:500;padding:4px 0;
}
.btn-text i{font-size:12px;transition:transform .22s ease}
@media (hover:hover){
  .btn-cta:hover{background:var(--brand-hover);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(18,214,180,.65),0 0 36px rgba(18,214,180,.5)}
  .btn-ghost:hover{background:rgba(18,214,180,.12);color:var(--brand-hover);border-color:rgba(18,214,180,.7)}
  .btn-outline:hover{background:rgba(18,214,180,.12);color:var(--brand-hover)}
  .btn-plain:hover{background:rgba(255,255,255,.1);color:var(--text)}
  .btn-text:hover i{transform:translateX(4px)}
}

/* ---------- 通用 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;
  font-size:12px;letter-spacing:.06em;font-weight:500;
  background:rgba(18,214,180,.14);color:var(--brand);
}
.badge-accent{background:rgba(106,123,255,.16);color:#9AA6FF}
.badge-warm{background:rgba(255,180,84,.16);color:var(--warm)}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.sec{padding:var(--sec-y) 0}
.sec-head{margin-bottom:44px;max-width:760px}
.sec-head h2{font-size:34px;line-height:1.25;margin-bottom:14px}
.sec-head p{color:var(--text-2);font-size:16px}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:44px}
.sec-head-row .sec-head{margin-bottom:0}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(6,10,18,.72);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid transparent;
  transition:background-color .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  background:rgba(6,10,18,.92);
  border-bottom-color:var(--line);
  box-shadow:0 10px 30px rgba(0,0,0,.4);
}
.nav-inner{
  height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px;
  transition:height .25s ease;
}
.site-header.is-scrolled .nav-inner{height:60px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(150deg,rgba(18,214,180,.24),rgba(106,123,255,.18));
  border:1px solid rgba(18,214,180,.35);
  color:var(--brand);
  box-shadow:0 0 18px rgba(18,214,180,.22);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:17px;font-weight:700;letter-spacing:.01em;color:var(--text)}
.brand-text em{font-style:normal;font-size:11px;color:var(--text-3);letter-spacing:.08em}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-link{
  position:relative;font-size:15px;color:var(--text-2);padding:6px 0;
  transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:0;height:2px;width:0;
  background:var(--brand);border-radius:2px;transform:translateX(-50%);
  transition:width .28s ease;
}
.nav-link.is-active{color:var(--text);font-weight:500}
.nav-link.is-active::after{width:100%}
@media (hover:hover){
  .nav-link:hover{color:var(--text)}
  .nav-link:hover::after{width:100%}
}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-actions .btn{height:42px;padding:0 20px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:rgba(255,255,255,.05);
  flex-direction:column;justify-content:center;align-items:center;gap:5px;cursor:pointer;
}
.nav-toggle span{display:block;width:17px;height:2px;border-radius:2px;background:var(--text);transition:transform .25s ease,opacity .25s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 公告条 ---------- */
.notice-bar{
  background:linear-gradient(90deg,rgba(18,214,180,.14),rgba(106,123,255,.12));
  border-bottom:1px solid var(--line);
  font-size:13.5px;color:var(--text-2);
}
.notice-bar .container{display:flex;align-items:center;gap:12px;padding-top:10px;padding-bottom:10px;flex-wrap:wrap}
.notice-bar strong{color:var(--brand);font-weight:500}
.notice-bar .notice-code{margin-left:auto}

/* ---------- Hero ---------- */
.hero{position:relative;padding:86px 0 0;overflow:hidden}
.hero::before{
  content:"";position:absolute;top:-260px;left:-140px;width:620px;height:620px;
  background:radial-gradient(circle,rgba(18,214,180,.16),transparent 68%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;top:-160px;right:-180px;width:540px;height:540px;
  background:radial-gradient(circle,rgba(106,123,255,.14),transparent 68%);
  pointer-events:none;
}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.hero-copy h1{font-size:48px;line-height:1.15;letter-spacing:-.01em;margin:20px 0 20px}
.hero-copy h1 .hl{color:var(--brand)}
.hero-sub{font-size:17px;color:var(--text-2);max-width:560px;line-height:1.8}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin:34px 0 0}
.hero-stats{display:flex;flex-wrap:wrap;gap:38px;margin-top:44px}
.hero-stats li{display:flex;flex-direction:column;gap:2px}
.hero-stats b{font-family:var(--mono);font-size:22px;font-weight:700;color:var(--text)}
.hero-stats span{font-size:13px;color:var(--text-3);letter-spacing:.04em}
.hero-band{height:1px;margin-top:76px;background:linear-gradient(90deg,transparent,rgba(18,214,180,.75),rgba(106,123,255,.5),transparent)}

/* Hero 面板 */
.hero-panel{
  position:relative;border-radius:var(--r-panel);overflow:hidden;
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-card);
  padding:26px;
  isolation:isolate;
}
.hero-panel::after{content:"";position:absolute;inset:0 0 auto 0;height:1px;background:rgba(255,255,255,.16)}
.panel-bg{
  position:absolute;inset:-40px;z-index:-1;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  filter:blur(18px) brightness(.45);
}
.panel-top{display:flex;align-items:center;gap:10px;margin-bottom:22px}
.dot-live{width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(18,214,180,.18)}
.panel-status{font-size:13.5px;color:var(--text-2)}
.panel-code{margin-left:auto;font-family:var(--mono);font-size:12px;color:var(--text-3);letter-spacing:.06em}
.field-row{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.field-label{width:74px;flex-shrink:0;font-size:13px;color:var(--text-3)}
.field-bar{flex:1;height:12px;border-radius:999px;background:rgba(255,255,255,.09)}
.field-bar.short{max-width:44%}
.field-bar.mid{max-width:68%}
.hero-panel .btn-block{margin-top:20px}
.panel-note{margin-top:14px;font-size:12.5px;color:var(--text-3);line-height:1.7}

/* ---------- 信任数据条 ---------- */
.trust-bar{padding:52px 0 0}
.trust-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  border:1px solid var(--line);border-radius:var(--r-panel);
  background:var(--glass);padding:28px;
}
.trust-item{display:flex;flex-direction:column;gap:6px}
.trust-item b{font-family:var(--mono);font-size:28px;color:var(--brand);font-weight:700}
.trust-item span{font-size:13.5px;color:var(--text-3)}
.trust-item i{font-style:normal;font-size:13px;color:var(--text-2)}

/* ---------- Bento 功能分组 ---------- */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:20px}
.card{
  position:relative;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  padding:26px;overflow:hidden;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
  backdrop-filter:blur(10px) saturate(130%);
}
.card::after{content:"";position:absolute;inset:0 0 auto 0;height:1px;background:rgba(255,255,255,.1)}
.card h3{font-size:22px;line-height:1.35;margin-bottom:12px}
.card p{color:var(--text-2);font-size:15px}
.card-num{font-family:var(--mono);font-size:12px;color:var(--text-3);letter-spacing:.1em;display:block;margin-bottom:16px}
.card-icon{
  width:44px;height:44px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:rgba(18,214,180,.14);color:var(--brand);font-size:17px;margin-bottom:18px;
}
@media (hover:hover){
  .card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(18,214,180,.3)}
}
.span-6{grid-column:span 6}
.span-3{grid-column:span 3}
.span-4{grid-column:span 4}
.span-8{grid-column:span 8}
.span-12{grid-column:span 12}
.card-media{
  border-radius:14px;overflow:hidden;margin-bottom:20px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);
}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s ease}
@media (hover:hover){
  .card:hover .card-media img{transform:scale(1.04)}
}
.feature-list{display:flex;flex-direction:column;gap:14px;margin-top:22px}
.feature-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--text-2)}
.feature-list li::before{
  content:"";width:7px;height:7px;border-radius:2px;background:var(--brand);
  margin-top:9px;flex-shrink:0;
}
.mini-rows{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:22px}
.mini-row{
  border:1px solid var(--line);border-radius:14px;padding:16px;
  background:rgba(255,255,255,.03);
}
.mini-row b{display:block;font-family:var(--mono);font-size:13px;color:var(--accent);margin-bottom:6px}
.mini-row span{font-size:14px;color:var(--text-2)}

/* ---------- 场景交替图文 ---------- */
.scene{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:44px 0}
.scene + .scene{border-top:1px solid var(--line)}
.scene-media{border-radius:var(--r-panel);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-card)}
.scene-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s ease}
@media (hover:hover){.scene-media:hover img{transform:scale(1.04)}}
.scene-body h3{font-size:26px;margin-bottom:16px}
.scene-body > p{color:var(--text-2);margin-bottom:22px}
.scene.rev .scene-media{order:2}
.scene.rev .scene-body{order:1}

/* ---------- 案例横滑 ---------- */
.case-track{
  display:grid;grid-auto-flow:column;grid-auto-columns:calc((100% - 40px)/3);gap:20px;
  overflow-x:auto;padding-bottom:14px;scroll-snap-type:x mandatory;
  scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.18) transparent;
}
.case-track::-webkit-scrollbar{height:6px}
.case-track::-webkit-scrollbar-thumb{background:rgba(255,255,255,.16);border-radius:999px}
.case-card{
  scroll-snap-align:start;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--line);padding:26px;
  box-shadow:var(--shadow-card);display:flex;flex-direction:column;gap:20px;
}
.case-quote{font-size:16px;color:var(--text);line-height:1.8}
.case-quote::before{content:"“";color:var(--warm);font-size:26px;line-height:0;vertical-align:-4px;margin-right:2px}
.case-meta{display:flex;align-items:center;gap:12px;margin-top:auto}
.avatar{
  width:40px;height:40px;border-radius:50%;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:14px;font-weight:700;color:var(--on-brand);
  background:linear-gradient(140deg,var(--brand),#7fe8d6);
}
.case-meta span{font-size:13px;color:var(--text-3)}
.case-kpi{
  font-family:var(--mono);font-size:20px;color:var(--brand);font-weight:700;
  padding-top:18px;border-top:1px dashed var(--line);
}

/* ---------- 服务方案 ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.plan{
  position:relative;border-radius:var(--r-panel);
  background:var(--glass);border:1px solid var(--line);
  padding:32px 28px;box-shadow:var(--shadow-card);
  display:flex;flex-direction:column;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.plan.featured{
  border-color:rgba(18,214,180,.6);transform:translateY(-8px);
  background:rgba(18,214,180,.055);
  box-shadow:0 0 0 1px rgba(18,214,180,.18),0 20px 50px rgba(0,0,0,.5);
}
.plan-tag{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:var(--warm);color:#241703;font-size:12px;font-weight:700;
  padding:5px 14px;border-radius:999px;letter-spacing:.06em;white-space:nowrap;
}
.plan h3{font-size:20px;margin-bottom:6px}
.plan .plan-desc{font-size:14px;color:var(--text-3);min-height:44px}
.plan-price{font-family:var(--mono);font-size:36px;font-weight:700;color:var(--text);margin:20px 0 4px;line-height:1}
.plan-price small{font-size:14px;color:var(--text-3);font-weight:400;margin-left:6px}
.plan ul{display:flex;flex-direction:column;gap:12px;margin:24px 0 28px}
.plan ul li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--text-2)}
.plan ul li i{color:var(--brand);font-size:13px;margin-top:5px;flex-shrink:0}
.plan ul li.off{color:var(--text-3);text-decoration:line-through;text-decoration-thickness:1px}
.plan ul li.off i{color:var(--text-3)}
.plan .btn{margin-top:auto}
@media (hover:hover){
  .plan:not(.featured):hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(18,214,180,.3)}
}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:20px}
.news-lead{grid-column:span 6;display:flex;flex-direction:column}
.news-lead .card-media{margin-bottom:22px}
.news-lead .card-media img{aspect-ratio:16/9}
.news-side{grid-column:span 6;display:flex;flex-direction:column;gap:20px}
.news-mini{display:flex;gap:18px;align-items:flex-start;padding:20px}
.news-mini .news-thumb{
  width:104px;height:76px;flex-shrink:0;border-radius:12px;overflow:hidden;
  border:1px solid var(--line);background:rgba(255,255,255,.04);
}
.news-mini .news-thumb img{width:100%;height:100%;object-fit:cover}
.news-mini-body{display:flex;flex-direction:column;gap:8px;min-width:0}
.news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:14px}
.news-title{font-size:16.5px;font-weight:500;line-height:1.5;color:var(--text)}
.news-lead .news-title{font-size:22px;font-weight:700;line-height:1.4}
.news-excerpt{font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-lead .news-excerpt{font-size:15px;-webkit-line-clamp:3;margin-top:12px}
.empty-state{
  border:1px dashed var(--line-2);border-radius:var(--r-panel);
  background:var(--glass);padding:56px 24px;text-align:center;
  display:flex;flex-direction:column;align-items:center;gap:16px;
}
.empty-state i{font-size:26px;color:var(--text-3)}
.empty-state p{color:var(--text-2);font-size:15px}
@media (hover:hover){
  .news-lead:hover .news-title,.news-mini:hover .news-title{color:var(--brand-hover)}
}

/* ---------- FAQ ---------- */
.accordion{--bs-accordion-bg:transparent;--bs-accordion-border-color:var(--line);--bs-accordion-border-radius:14px;--bs-accordion-inner-border-radius:14px}
.accordion-item{
  background:var(--glass);border:1px solid var(--line) !important;
  border-radius:14px !important;margin-bottom:14px;overflow:hidden;
  box-shadow:var(--shadow-card);
}
.accordion-button{
  background:transparent;color:var(--text);font-size:17px;font-weight:500;
  padding:22px 26px;position:relative;box-shadow:none !important;
}
.accordion-button::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:0 3px 3px 0;
  background:var(--brand);transform:scaleY(0);transition:transform .28s ease;
}
.accordion-button:not(.collapsed){color:var(--brand);background:rgba(18,214,180,.05)}
.accordion-button:not(.collapsed)::before{transform:scaleY(1)}
.accordion-button::after{
  background-image:none;content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:13px;color:var(--text-3);width:auto;height:auto;
  transition:transform .28s ease,color .28s ease;
}
.accordion-button:not(.collapsed)::after{color:var(--brand)}
.accordion-body{padding:0 42px 24px 42px;color:var(--text-2);font-size:15px;line-height:1.85}

/* ---------- CTA 通栏 ---------- */
.cta-band{
  position:relative;border-radius:var(--r-panel);overflow:hidden;
  border:1px solid var(--line);padding:56px;
  background:var(--glass);backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-card);
  display:grid;grid-template-columns:1.4fr 1fr;gap:44px;align-items:center;
  isolation:isolate;
}
.cta-band::after{content:"";position:absolute;inset:0 0 auto 0;height:1px;background:rgba(255,255,255,.14)}
.cta-band-bg{
  position:absolute;inset:-40px;z-index:-1;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  filter:blur(20px) brightness(.35);
}
.cta-band h2{font-size:30px;line-height:1.3;margin-bottom:14px}
.cta-band p{color:var(--text-2);font-size:15.5px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}

/* ---------- 表单 ---------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-field{display:flex;flex-direction:column;gap:8px}
.form-field label{font-size:13.5px;color:var(--text-2)}
.form-field.full{grid-column:span 2}
.form-control,.form-select{
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  color:var(--text);border-radius:12px;padding:13px 16px;font-size:15px;
  transition:border-color .22s ease,box-shadow .22s ease,background-color .22s ease;
}
.form-control::placeholder{color:var(--text-3)}
.form-control:focus,.form-select:focus{
  background:rgba(255,255,255,.06);border-color:var(--brand);color:var(--text);
  box-shadow:0 0 0 3px rgba(18,214,180,.18);outline:none;
}
.form-hint{font-size:12.5px;color:var(--text-3)}
.form-error{font-size:12.5px;color:var(--warm)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-2);border-top:1px solid var(--line);padding:70px 0 0;margin-top:var(--sec-y)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:44px;padding-bottom:52px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{font-size:14px;color:var(--text-3);line-height:1.8;max-width:320px}
.footer-col h4{font-size:15px;margin-bottom:18px;color:var(--text)}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14px;color:var(--text-3);transition:color .2s ease}
.footer-col li span{font-size:14px;color:var(--text-3)}
@media (hover:hover){
  .footer-col a:hover{color:var(--brand)}
}
.footer-bottom{
  border-top:1px solid var(--line);padding:22px 0;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-family:var(--mono);font-size:12.5px;color:var(--text-3);letter-spacing:.02em;
}

/* ---------- 响应式 ---------- */
@media (min-width:1400px){
  :root{--sec-y:104px}
  .hero-grid{gap:64px}
}
@media (max-width:1199.98px){
  .hero-copy h1{font-size:40px}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-panel{max-width:560px}
  .case-track{grid-auto-columns:calc((100% - 20px)/2)}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:36px}
}
@media (max-width:991.98px){
  .nav-links{
    position:fixed;top:72px;left:0;right:0;bottom:0;
    background:rgba(6,10,18,.98);backdrop-filter:blur(16px);
    flex-direction:column;align-items:stretch;gap:12px;
    padding:24px 20px 120px;overflow-y:auto;
    transform:translateY(-12px);opacity:0;pointer-events:none;
    transition:opacity .25s ease,transform .25s ease;
  }
  .nav-links.is-open{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-link{
    display:flex;align-items:center;justify-content:space-between;
    font-size:16px;padding:16px 18px;border-radius:14px;
    background:rgba(255,255,255,.045);border:1px solid var(--line);
  }
  .nav-link::after{display:none}
  .nav-link.is-active{border-color:rgba(18,214,180,.5);color:var(--brand);background:rgba(18,214,180,.1)}
  .nav-toggle{display:flex}
  .nav-actions .btn-cta{padding:0 16px;font-size:14px}
  .nav-actions .btn-ghost{display:none}
  .trust-grid{grid-template-columns:repeat(2,1fr);gap:26px}
  .bento{grid-template-columns:repeat(6,1fr)}
  .span-6,.span-8,.span-4{grid-column:span 6}
  .span-3{grid-column:span 3}
  .scene{grid-template-columns:1fr;gap:28px;padding:36px 0}
  .scene.rev .scene-media{order:1}
  .scene.rev .scene-body{order:2}
  .plan-grid{grid-template-columns:1fr;gap:20px}
  .plan.featured{transform:none}
  .news-lead,.news-side{grid-column:span 12}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;gap:28px}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:767.98px){
  .container{padding:0 18px}
  :root{--sec-y:64px}
  .sec-head h2{font-size:24px}
  .hero{padding-top:52px}
  .hero-copy h1{font-size:30px}
  .hero-sub{font-size:16px}
  .hero-cta{gap:12px}
  .hero-cta .btn{width:100%}
  .hero-stats{gap:26px;margin-top:34px}
  .hero-stats b{font-size:19px}
  .trust-grid{grid-template-columns:1fr 1fr;padding:22px}
  .trust-item b{font-size:22px}
  .bento{grid-template-columns:1fr}
  .span-6,.span-8,.span-4,.span-3{grid-column:span 1}
  .case-track{grid-auto-columns:88%}
  .mini-rows{grid-template-columns:1fr}
  .scene-body h3{font-size:21px}
  .news-mini{flex-direction:column}
  .news-mini .news-thumb{width:100%;height:150px}
  .accordion-button{font-size:15.5px;padding:18px 20px}
  .accordion-body{padding:0 26px 22px 26px}
  .form-grid{grid-template-columns:1fr}
  .form-field.full{grid-column:span 1}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;gap:8px}
  .cta-band{padding:32px 22px}
  .cta-band h2{font-size:22px}
}
@media (max-width:575.98px){
  .hero-copy h1{font-size:26px}
  .brand-text em{display:none}
  .hero-panel{padding:20px}
  .notice-bar .notice-code{display:none}
}

/* roulang page: article */
:root{
  --bg:#060A12;
  --bg-2:#0A111D;
  --glass:rgba(255,255,255,.045);
  --glass-2:rgba(255,255,255,.07);
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --primary:#12D6B4;
  --primary-hi:#2BE9C7;
  --primary-dk:#0FB69A;
  --deep:#0E7F6C;
  --accent:#6A7BFF;
  --warm:#FFB454;
  --text:#E9EFF8;
  --muted:#A3B0C6;
  --dim:#67748C;
  --ink:#04120F;
  --r-card:18px;
  --r-panel:22px;
  --r-btn:12px;
  --shadow-card:0 1px 0 rgba(255,255,255,.06) inset,0 10px 30px rgba(0,0,0,.45);
  --shadow-hover:0 16px 44px rgba(0,0,0,.55);
  --font:"HarmonyOS Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --mono:"JetBrains Mono","SFMono-Regular",Consolas,monospace;
  --bs-body-bg:#060A12;
  --bs-body-color:#E9EFF8;
  --bs-body-font-family:var(--font);
  --bs-primary:#12D6B4;
  --bs-primary-rgb:18,214,180;
  --bs-link-color:#12D6B4;
  --bs-link-hover-color:#2BE9C7;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-border-radius:18px;
  --bs-border-radius-lg:22px;
  --bs-border-radius-sm:12px;
  --bs-emphasis-color:#E9EFF8;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(900px 520px at 82% -8%,rgba(18,214,180,.13),transparent 62%),
    radial-gradient(700px 460px at 8% 4%,rgba(106,123,255,.10),transparent 60%);
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--primary-hi)}
h1,h2,h3,h4,h5{font-weight:700;color:var(--text);margin:0;letter-spacing:.2px}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0}
button{font-family:inherit}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
  position:relative;
  z-index:1;
}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}

/* ---------- buttons ---------- */
.btn{
  --bs-btn-focus-box-shadow:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:500;
  line-height:1;
  border:1px solid transparent;
  transition:transform .22s ease,box-shadow .28s ease,background .22s ease,color .22s ease,border-color .22s ease;
  cursor:pointer;
  white-space:nowrap;
}
.btn-cta{
  background:var(--primary);
  color:var(--ink);
  box-shadow:0 0 0 1px rgba(18,214,180,.5),0 0 26px rgba(18,214,180,.38);
}
.btn-cta:hover{background:var(--primary-hi);color:var(--ink);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(43,233,199,.6),0 0 36px rgba(18,214,180,.5)}
.btn-cta:active{transform:translateY(0);box-shadow:inset 0 3px 12px rgba(0,0,0,.28)}
.btn-ghost{
  background:transparent;
  color:var(--primary);
  border-color:rgba(18,214,180,.45);
}
.btn-ghost:hover{background:rgba(18,214,180,.12);color:var(--primary-hi);border-color:rgba(18,214,180,.7)}
.btn-line{
  background:transparent;
  color:var(--text);
  border-color:var(--line-strong);
}
.btn-line:hover{border-color:rgba(18,214,180,.6);color:var(--primary-hi);background:rgba(18,214,180,.08)}
.btn-wide{width:100%}
@media (hover:hover){
  .btn-cta:hover{transform:translateY(-1px)}
}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1040;
  transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(6,10,18,.82);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
  box-shadow:0 10px 30px rgba(0,0,0,.45);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
  transition:height .3s ease;
}
.site-header.is-scrolled .nav-inner{height:60px}
.brand{display:flex;align-items:center;gap:12px;color:var(--text);flex-shrink:0}
.brand:hover{color:var(--text)}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;
  display:grid;place-items:center;
  border-radius:12px;
  color:var(--primary);
  background:linear-gradient(160deg,rgba(18,214,180,.2),rgba(106,123,255,.12));
  border:1px solid rgba(18,214,180,.32);
  box-shadow:0 0 22px rgba(18,214,180,.22) inset;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:16.5px;font-weight:700;letter-spacing:.3px}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--dim);letter-spacing:.06em}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--muted);
  padding:6px 0;
  transition:color .22s ease;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:50%;bottom:0;
  width:0;height:2px;
  background:var(--primary);
  border-radius:2px;
  transform:translateX(-50%);
  transition:width .28s ease;
}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after{width:100%}
.nav-link.is-active{color:var(--text);font-weight:500}
.nav-link.is-active::after{width:100%}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-actions .btn{height:42px;padding:0 18px;font-size:14.5px}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--glass);
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .25s ease,opacity .25s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- breadcrumb ---------- */
.crumb-bar{
  padding:22px 0 6px;
  border-bottom:1px solid transparent;
}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  font-size:13.5px;
  color:var(--dim);
}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--primary-hi)}
.crumb .sep{color:rgba(255,255,255,.22)}
.crumb .current{color:var(--text);max-width:560px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- article head ---------- */
.article-head{
  position:relative;
  padding:26px 0 48px;
}
.article-head::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:1px;
  background:linear-gradient(90deg,rgba(18,214,180,.55),rgba(106,123,255,.28),transparent);
}
.head-panel{
  border-radius:var(--r-panel);
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-card);
  padding:38px 40px 34px;
  overflow:hidden;
}
.badge-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:18px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;
  border-radius:999px;
  font-size:12px;letter-spacing:.06em;
  background:rgba(18,214,180,.14);
  color:var(--primary-hi);
  border:1px solid rgba(18,214,180,.28);
}
.badge-accent{background:rgba(106,123,255,.16);color:#B7C0FF;border-color:rgba(106,123,255,.32)}
.badge-warm{background:rgba(255,180,84,.14);color:var(--warm);border-color:rgba(255,180,84,.3)}
.article-head h1{
  font-size:40px;
  line-height:1.25;
  margin:0 0 20px;
  max-width:900px;
}
.meta-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:22px;
  font-size:13px;
  color:var(--dim);
}
.meta-row .item{display:inline-flex;align-items:center;gap:8px}
.meta-row i{color:var(--deep)}
.meta-row .val{color:var(--muted);font-family:var(--mono)}
.head-visual{
  margin-top:30px;
  border-radius:14px;
  overflow:hidden;
  border:1px solid var(--line);
  position:relative;
  background:#08101c;
}
.head-visual::before{
  content:"";
  position:absolute;inset:0;
  border-top:1px solid rgba(255,255,255,.14);
  pointer-events:none;
  z-index:2;
}
.head-visual img{
  width:100%;
  aspect-ratio:16/7;
  object-fit:cover;
  transition:transform .5s ease;
}
.head-visual:hover img{transform:scale(1.04)}

/* ---------- layout ---------- */
.article-wrap{padding:56px 0 72px}
.article-layout{display:block}
.article-main{max-width:760px;margin:0 auto}
.side-col{display:none}

/* ---------- article body ---------- */
.article-body{
  font-size:16.5px;
  line-height:1.85;
  color:#DCE4F0;
}
.article-body > *:first-child{margin-top:0}
.article-body h2{
  position:relative;
  font-size:27px;
  line-height:1.35;
  margin:52px 0 18px;
  padding-left:16px;
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;top:.28em;
  width:3px;height:1.05em;
  border-radius:3px;
  background:linear-gradient(180deg,var(--primary),var(--deep));
}
.article-body h3{
  font-size:19.5px;
  margin:34px 0 12px;
  color:#C8D3E4;
}
.article-body h4{font-size:17px;margin:26px 0 10px;color:var(--muted)}
.article-body p{margin:0 0 1.35em;color:#DCE4F0}
.article-body a{color:var(--primary-hi);border-bottom:1px solid rgba(18,214,180,.35)}
.article-body a:hover{border-bottom-color:var(--primary-hi)}
.article-body strong{color:#fff;font-weight:700}
.article-body blockquote{
  margin:26px 0;
  padding:18px 22px;
  border-left:3px solid var(--primary);
  border-radius:0 14px 14px 0;
  background:var(--glass);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  color:var(--muted);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:0;list-style:none}
.article-body ul li,.article-body ol li{
  position:relative;
  padding-left:22px;
  margin-bottom:10px;
  color:#DCE4F0;
}
.article-body ul li::before{
  content:"";
  position:absolute;
  left:2px;top:.72em;
  width:7px;height:7px;
  border-radius:2px;
  background:var(--primary);
}
.article-body ol{counter-reset:li}
.article-body ol li{counter-increment:li}
.article-body ol li::before{
  content:counter(li,decimal-leading-zero);
  position:absolute;
  left:0;top:0;
  font-family:var(--mono);
  font-size:13px;
  color:var(--primary);
}
.article-body img{
  border-radius:14px;
  margin:24px 0 8px;
  border:1px solid var(--line);
}
.article-body figure{margin:26px 0}
.article-body figcaption{
  font-size:13px;
  color:var(--dim);
  text-align:center;
  margin-top:8px;
}
.article-body code{
  font-family:var(--mono);
  font-size:13.5px;
  padding:3px 7px;
  border-radius:8px;
  background:rgba(255,255,255,.07);
  border:1px solid var(--line);
  color:var(--primary-hi);
}
.article-body pre{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:14px;
  padding:18px;
  overflow-x:auto;
  margin:24px 0;
  backdrop-filter:blur(10px);
}
.article-body pre code{background:none;border:0;padding:0;color:#DCE4F0}
.article-body table{
  width:100%;
  display:block;
  overflow-x:auto;
  border-collapse:collapse;
  margin:26px 0;
  font-size:15px;
  border-radius:14px;
  border:1px solid var(--line);
}
.article-body thead th{
  background:rgba(106,123,255,.14);
  color:#DDE2FF;
  font-weight:500;
  text-align:left;
  padding:12px 16px;
  white-space:nowrap;
}
.article-body tbody td{
  padding:12px 16px;
  border-top:1px solid var(--line);
  color:var(--muted);
}
.article-body tbody tr:nth-child(even){background:rgba(255,255,255,.022)}
.article-body hr{border:0;height:1px;background:var(--line);margin:40px 0}

/* empty state */
.empty-card{
  text-align:center;
  padding:64px 28px;
  border-radius:var(--r-panel);
  border:1px solid var(--line);
  background:var(--glass);
  box-shadow:var(--shadow-card);
}
.empty-card .ico{
  width:56px;height:56px;
  margin:0 auto 18px;
  border-radius:16px;
  display:grid;place-items:center;
  color:var(--primary);
  border:1px solid rgba(18,214,180,.3);
  background:rgba(18,214,180,.1);
  font-size:22px;
}
.empty-card h3{font-size:20px;margin-bottom:10px}
.empty-card p{color:var(--muted);margin-bottom:22px}

/* ---------- tags ---------- */
.tag-row{
  display:flex;flex-wrap:wrap;gap:10px;
  margin:44px 0 0;
  padding-top:26px;
  border-top:1px solid var(--line);
}
.tag-row .label{font-size:13px;color:var(--dim);display:inline-flex;align-items:center;margin-right:4px}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;
  border-radius:999px;
  font-size:13px;
  color:var(--muted);
  border:1px solid var(--line);
  background:var(--glass);
  transition:border-color .22s ease,color .22s ease,background .22s ease;
}
.tag:hover{border-color:rgba(18,214,180,.5);color:var(--primary-hi);background:rgba(18,214,180,.08)}

/* ---------- prev / next ---------- */
.pager{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
  margin-top:48px;
}
.pager-card{
  display:block;
  padding:22px 24px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--glass);
  box-shadow:var(--shadow-card);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.pager-card:hover{
  transform:translateY(-3px);
  border-color:rgba(18,214,180,.34);
  box-shadow:var(--shadow-hover);
}
.pager-card .k{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.06em;color:var(--dim);margin-bottom:10px;
}
.pager-card .k i{color:var(--deep)}
.pager-card strong{display:block;font-size:16.5px;font-weight:500;color:var(--text);line-height:1.5}
.pager-card:hover strong{color:var(--primary-hi)}
.pager-card .sub{display:block;font-size:13.5px;color:var(--dim);margin-top:8px}

/* ---------- sidebar ---------- */
.side-card{
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-card);
  padding:20px 20px 18px;
  margin-bottom:20px;
}
.side-card h4{
  font-size:13px;
  letter-spacing:.08em;
  color:var(--dim);
  font-weight:500;
  margin-bottom:14px;
  display:flex;align-items:center;gap:8px;
}
.side-card h4 i{color:var(--deep)}
.toc-list{list-style:none;font-size:14px}
.toc-list li{margin-bottom:9px;line-height:1.55}
.toc-list a{color:var(--muted);display:block;border-left:2px solid transparent;padding-left:10px;transition:all .22s ease}
.toc-list a:hover{color:var(--primary-hi);border-left-color:var(--primary);padding-left:14px}
.toc-list .lvl-3 a{padding-left:22px;font-size:13px;color:var(--dim)}
.side-links{list-style:none;font-size:14.5px}
.side-links li + li{margin-top:10px}
.side-links a{color:var(--muted);display:flex;align-items:center;gap:8px}
.side-links a::before{
  content:"";
  width:6px;height:6px;border-radius:2px;
  background:rgba(18,214,180,.5);
  flex:0 0 6px;
  transition:background .22s ease;
}
.side-links a:hover{color:var(--primary-hi)}
.side-links a:hover::before{background:var(--primary)}
.side-cta p{font-size:13.5px;color:var(--muted);margin-bottom:14px}
.side-cta .btn{height:40px;font-size:14px}

/* ---------- related ---------- */
.section{padding:64px 0}
.section-head{margin-bottom:28px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.1em;color:var(--primary);
  margin-bottom:12px;
}
.section-head h2{font-size:30px;line-height:1.3;margin-bottom:10px}
.section-head p{color:var(--muted);font-size:15px;max-width:640px;margin:0}
.related-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
}
.guide-card{
  display:flex;
  flex-direction:column;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--glass);
  box-shadow:var(--shadow-card);
  overflow:hidden;
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
  height:100%;
}
.guide-card:hover{
  transform:translateY(-4px);
  border-color:rgba(18,214,180,.34);
  box-shadow:var(--shadow-hover);
}
.guide-media{overflow:hidden;position:relative;background:#08101c}
.guide-media::before{
  content:"";position:absolute;inset:0;z-index:2;pointer-events:none;
  border-top:1px solid rgba(255,255,255,.14);
}
.guide-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s ease}
.guide-card:hover .guide-media img{transform:scale(1.05)}
.guide-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1}
.guide-body h3{font-size:17px;line-height:1.45;margin:10px 0 8px;font-weight:500}
.guide-body p{font-size:14px;color:var(--muted);line-height:1.7;margin:0 0 16px;flex:1}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;color:var(--primary);
}
.text-link i{transition:transform .25s ease}
.text-link:hover i{transform:translateX(4px)}

/* ---------- cta band ---------- */
.cta-band{padding:24px 0 84px}
.cta-panel{
  position:relative;
  border-radius:var(--r-panel);
  border:1px solid rgba(18,214,180,.28);
  background:
    radial-gradient(600px 300px at 88% 0%,rgba(18,214,180,.16),transparent 62%),
    rgba(10,17,29,.86);
  box-shadow:0 0 0 1px rgba(18,214,180,.12),0 24px 60px rgba(0,0,0,.5);
  padding:46px 44px;
  display:grid;
  grid-template-columns:1.4fr .9fr;
  gap:36px;
  align-items:center;
  overflow:hidden;
}
.cta-panel h2{font-size:28px;line-height:1.35;margin-bottom:12px}
.cta-panel p{color:var(--muted);font-size:15px;margin:0;max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}
.cta-stats{
  display:flex;flex-wrap:wrap;gap:28px;margin-top:20px;
}
.cta-stats .stat .n{font-family:var(--mono);font-size:22px;color:var(--primary-hi);font-weight:700}
.cta-stats .stat .l{font-size:12px;color:var(--dim);letter-spacing:.06em}

/* ---------- footer ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:rgba(10,17,29,.7);
  padding:64px 0 26px;
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand p{color:var(--muted);font-size:14px;margin:18px 0 0;max-width:340px;line-height:1.8}
.footer-col h4{
  font-size:13px;letter-spacing:.08em;color:var(--dim);
  font-weight:500;margin-bottom:18px;
}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:12px;font-size:14px;color:var(--muted)}
.footer-col a{color:var(--muted)}
.footer-col a:hover{color:var(--primary-hi)}
.footer-col span{font-family:var(--mono);font-size:13px;color:var(--dim)}
.footer-bottom{
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  font-family:var(--mono);
  font-size:12.5px;
  color:var(--dim);
}

/* ---------- responsive ---------- */
@media (min-width:1200px){
  .article-layout{
    display:grid;
    grid-template-columns:minmax(0,1fr) 300px;
    gap:56px;
    align-items:start;
  }
  .article-main{max-width:760px;margin:0}
  .side-col{display:block;position:sticky;top:96px}
}
@media (max-width:1199.98px){
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:991.98px){
  .container{padding-left:24px;padding-right:24px}
  .nav-toggle{display:flex}
  .nav-actions .btn-ghost{display:none}
  .nav-links{
    position:fixed;
    left:0;right:0;
    top:72px;
    flex-direction:column;
    align-items:stretch;
    gap:10px;
    padding:20px 24px 28px;
    background:rgba(6,10,18,.97);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    border-bottom:1px solid var(--line);
    box-shadow:0 24px 48px rgba(0,0,0,.55);
    transform:translateY(-12px);
    opacity:0;
    visibility:hidden;
    pointer-events:none;
    transition:opacity .26s ease,transform .26s ease,visibility .26s;
    max-height:calc(100vh - 72px);
    overflow-y:auto;
  }
  .nav-links.is-open{opacity:1;transform:translateY(0);visibility:visible;pointer-events:auto}
  .nav-link{
    font-size:16px;
    padding:14px 16px;
    border-radius:12px;
    border:1px solid var(--line);
    background:var(--glass);
    color:var(--text);
  }
  .nav-link::after{display:none}
  .nav-link.is-active{border-color:rgba(18,214,180,.45);background:rgba(18,214,180,.1)}
  .article-head h1{font-size:32px}
  .head-panel{padding:30px 26px 28px}
  .cta-panel{grid-template-columns:1fr;padding:36px 28px;text-align:left}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .site-header.is-scrolled .nav-links{top:60px}
}
@media (max-width:767.98px){
  .article-wrap{padding:40px 0 56px}
  .section{padding:48px 0}
  .article-body h2{font-size:23px;margin-top:40px}
  .article-body h3{font-size:18px}
  .pager{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
  .section-head h2{font-size:24px}
  .cta-panel h2{font-size:23px}
  .footer-bottom{flex-direction:column}
  .crumb .current{max-width:100%;white-space:normal}
}
@media (max-width:575.98px){
  .container{padding-left:18px;padding-right:18px}
  body{font-size:16px}
  .article-head h1{font-size:26px}
  .head-panel{padding:24px 18px}
  .nav-actions .btn-cta{padding:0 14px;font-size:14px}
  .brand-text em{display:none}
  .btn{width:100%}
  .nav-actions .btn{width:auto}
  .cta-actions{flex-direction:column}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .article-body table{font-size:14px}
}

/* roulang page: category1 */
:root{
  --bg:#060A12;
  --bg-2:#0A111D;
  --glass:rgba(255,255,255,.045);
  --glass-strong:rgba(255,255,255,.07);
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --primary:#12D6B4;
  --primary-hover:#2BE9C7;
  --primary-active:#0FB69A;
  --deep:#0E7F6C;
  --signal:#6A7BFF;
  --warm:#FFB454;
  --text:#E9EFF8;
  --text-2:#A3B0C6;
  --text-3:#67748C;
  --on-primary:#04120F;
  --r-card:18px;
  --r-panel:22px;
  --r-btn:12px;
  --shadow-card:0 1px 0 rgba(255,255,255,.06) inset, 0 10px 30px rgba(0,0,0,.45);
  --shadow-hover:0 16px 44px rgba(0,0,0,.55);
  --container:1240px;
  --sans:"HarmonyOS Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --mono:"JetBrains Mono","SFMono-Regular",Consolas,"Courier New",monospace;
  --bs-primary:#12D6B4;
  --bs-primary-rgb:18,214,180;
  --bs-body-bg:#060A12;
  --bs-body-color:#E9EFF8;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-border-radius:18px;
  --bs-border-radius-lg:22px;
  --bs-border-radius-sm:12px;
  --bs-link-color:#12D6B4;
  --bs-link-hover-color:#2BE9C7;
  --bs-font-sans-serif:var(--sans);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  overflow-x:hidden;
  padding-top:72px;
}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.005em}
h1{font-size:48px;line-height:1.15}
h2{font-size:34px;line-height:1.25}
h3{font-size:22px;line-height:1.35}
h4{font-size:18px;line-height:1.5}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
a{color:var(--primary);text-decoration:none;transition:color .22s ease,opacity .22s ease}
a:hover{color:var(--primary-hover)}
img{max-width:100%;display:block;height:auto}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding-left:32px;padding-right:32px}
@media (min-width:1400px){.container{max-width:var(--container)}}

.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.text-muted-2{color:var(--text-2)}
.text-dim{color:var(--text-3)}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1040;
  background:rgba(6,10,18,.72);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{background:rgba(6,10,18,.94);border-bottom-color:var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;transition:height .25s ease}
.site-header.is-scrolled .nav-inner{height:60px}

.brand{display:flex;align-items:center;gap:12px;color:var(--text);flex:0 0 auto}
.brand:hover{color:var(--text)}
.brand-mark{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  color:var(--on-primary);
  background:linear-gradient(150deg,var(--primary),var(--deep));
  box-shadow:0 0 0 1px rgba(18,214,180,.4),0 8px 22px rgba(18,214,180,.22);
  flex:0 0 40px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:17px;font-weight:700;letter-spacing:.01em}
.brand-text em{font-style:normal;font-size:12px;color:var(--text-3);letter-spacing:.06em}

.nav-links{display:flex;align-items:center;gap:28px}
.nav-link{position:relative;color:var(--text-2);font-size:15px;padding:6px 0;white-space:nowrap;transition:color .22s ease}
.nav-link::after{content:"";position:absolute;left:50%;right:50%;bottom:-2px;height:2px;background:var(--primary);border-radius:2px;transition:left .25s ease,right .25s ease}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after{left:0;right:0}
.nav-link.is-active{color:var(--text);font-weight:500}
.nav-link.is-active::after{left:0;right:0}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;border:1px solid transparent;cursor:pointer;
  white-space:nowrap;transition:background .22s ease,color .22s ease,box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.btn-cta{background:var(--primary);color:var(--on-primary);box-shadow:0 0 0 1px rgba(18,214,180,.5),0 0 26px rgba(18,214,180,.38)}
.btn-cta:hover{background:var(--primary-hover);color:var(--on-primary);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(18,214,180,.6),0 0 36px rgba(18,214,180,.5)}
.btn-cta:active{background:var(--primary-active);transform:none;box-shadow:inset 0 3px 10px rgba(0,0,0,.28)}
.btn-ghost{background:transparent;border-color:rgba(18,214,180,.45);color:var(--primary)}
.btn-ghost:hover{background:rgba(18,214,180,.12);color:var(--primary-hover);border-color:rgba(18,214,180,.7)}
.btn-ghost:active{background:rgba(18,214,180,.18);transform:translateY(1px)}
.btn-quiet{background:var(--glass);border-color:var(--line);color:var(--text-2)}
.btn-quiet:hover{background:var(--glass-strong);color:var(--text);border-color:var(--line-strong)}
.btn-lg{height:50px;padding:0 26px;font-size:16px}

.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--glass);cursor:pointer;padding:0;position:relative;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);margin:0 auto 4px;border-radius:2px;transition:.25s ease}
.nav-toggle span:last-child{margin-bottom:0}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

@media (max-width:991.98px){
  .nav-links{
    position:fixed;top:72px;left:0;right:0;bottom:0;
    flex-direction:column;align-items:stretch;gap:12px;
    padding:22px 18px 132px;
    background:rgba(6,10,18,.98);
    -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
    transform:translateX(102%);transition:transform .32s ease;overflow-y:auto;
  }
  .nav-links.is-open{transform:translateX(0)}
  .nav-link{font-size:16px;padding:14px 16px;border:1px solid var(--line);border-radius:12px;background:var(--glass)}
  .nav-link::after{display:none}
  .nav-link.is-active{border-color:rgba(18,214,180,.5);background:rgba(18,214,180,.1);color:var(--primary)}
  .nav-toggle{display:block}
  .nav-actions .btn-ghost{display:none}
  .nav-actions .btn-cta{
    position:fixed;left:18px;right:18px;bottom:74px;z-index:1042;
    opacity:0;visibility:hidden;transform:translateY(12px);
  }
  body.nav-open .nav-actions .btn-cta{opacity:1;visibility:visible;transform:none}
}
@media (max-width:575.98px){
  .container{padding-left:18px;padding-right:18px}
  .brand-text em{display:none}
  .brand-text strong{font-size:15.5px}
}

/* ============ 通用区块 ============ */
.section{padding:88px 0;position:relative}
.section-tight{padding:64px 0}
.section-head{max-width:760px;margin-bottom:28px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.06em;color:var(--primary);
  background:rgba(18,214,180,.14);border:1px solid rgba(18,214,180,.28);
  border-radius:999px;padding:6px 14px;margin-bottom:16px;font-weight:500;
}
.eyebrow.signal{color:var(--signal);background:rgba(106,123,255,.14);border-color:rgba(106,123,255,.3)}
.section-head h2{font-size:34px;margin-bottom:14px}
.section-head p{color:var(--text-2);font-size:16px}
.divider{height:1px;background:linear-gradient(90deg,transparent,rgba(18,214,180,.55),transparent);border:0;margin:0}

.glass{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-panel);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-card);
}
.card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  transition:box-shadow .3s ease,border-color .3s ease,transform .3s ease;
}
.card:hover{box-shadow:var(--shadow-hover);border-color:rgba(18,214,180,.3);transform:translateY(-3px)}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:12px;letter-spacing:.06em;
  background:rgba(18,214,180,.14);color:var(--primary);border:1px solid rgba(18,214,180,.24);
}
.tag.signal{background:rgba(106,123,255,.14);color:var(--signal);border-color:rgba(106,123,255,.28)}
.tag.warm{background:rgba(255,180,84,.14);color:var(--warm);border-color:rgba(255,180,84,.28)}

/* ============ 迷你 Hero ============ */
.hero-mini{position:relative;overflow:hidden;padding:56px 0 72px}
.hero-mini::before{
  content:"";position:absolute;inset:-8%;
  background-image:url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center;
  filter:blur(22px) brightness(.4);transform:scale(1.06);
}
.hero-mini::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,10,18,.6) 0%,rgba(6,10,18,.92) 62%,var(--bg) 100%);
}
.hero-mini .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.4fr .95fr;gap:48px;align-items:center}

.breadcrumb-bar{position:relative;z-index:2;margin-bottom:26px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--text-3);margin:0;padding:0;list-style:none}
.breadcrumb li{display:flex;align-items:center;gap:10px}
.breadcrumb li+li::before{content:"/";color:var(--text-3);opacity:.6}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .current{color:var(--text)}

.hero-mini h1{font-size:44px;margin-bottom:18px}
.hero-mini h1 .hl{color:var(--primary)}
.hero-lead{font-size:17px;color:var(--text-2);max-width:640px;margin-bottom:28px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.hero-stats{display:flex;flex-wrap:wrap;gap:34px;padding-top:22px;border-top:1px solid var(--line)}
.stat b{display:block;font-family:var(--mono);font-size:22px;font-weight:700;color:var(--text);line-height:1.3}
.stat span{font-size:12px;color:var(--text-3);letter-spacing:.06em}

.entry-card{padding:24px;display:flex;flex-direction:column;gap:16px}
.entry-card .status{display:flex;align-items:center;gap:10px;font-size:12px;letter-spacing:.06em;color:var(--text-3);font-family:var(--mono)}
.dot{width:8px;height:8px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 4px rgba(18,214,180,.16)}
.field{display:flex;flex-direction:column;gap:8px}
.field span{font-size:12px;color:var(--text-3);letter-spacing:.06em}
.field .bar{height:12px;border-radius:999px;background:rgba(255,255,255,.08)}
.field .bar.short{width:62%}
.entry-card .btn{width:100%}

/* ============ 步骤时间线 ============ */
.timeline{position:relative;display:grid;gap:18px;margin-top:36px}
.timeline::before{
  content:"";position:absolute;left:31px;top:16px;bottom:16px;width:2px;
  background:linear-gradient(180deg,rgba(18,214,180,.6),rgba(18,214,180,.06));
}
.tl-item{display:grid;grid-template-columns:64px 1fr;gap:24px;align-items:start;position:relative}
.tl-num{
  width:64px;height:64px;border-radius:var(--r-card);display:grid;place-items:center;
  font-family:var(--mono);font-size:17px;font-weight:700;color:var(--primary);
  background:rgba(18,214,180,.1);border:1px solid rgba(18,214,180,.32);
  box-shadow:0 0 0 6px rgba(6,10,18,.9);
}
.tl-body{padding:22px 24px}
.tl-body h3{font-size:20px;margin-bottom:10px}
.tl-body p{color:var(--text-2);font-size:15px}
.tl-points{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:16px;padding-top:16px;border-top:1px solid var(--line)}
.tl-points span{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--text-3)}
.tl-points span::before{content:"";width:7px;height:7px;border-radius:2px;background:var(--primary);flex:0 0 7px}

/* ============ 图文区块 ============ */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:52px;align-items:center}
.media{
  position:relative;border-radius:var(--r-panel);overflow:hidden;
  border:1px solid var(--line);background:var(--bg-2);
  box-shadow:var(--shadow-card);
}
.media::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:rgba(255,255,255,.16);z-index:3}
.media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s ease}
.media:hover img{transform:scale(1.04)}
.media-caption{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:26px 22px 16px;font-size:13px;color:var(--text-2);
  background:linear-gradient(180deg,rgba(6,10,18,0) 0%,rgba(6,10,18,.88) 78%);
}
.check-list{display:grid;gap:16px;margin-top:24px}
.check-list li{display:grid;grid-template-columns:26px 1fr;gap:14px;align-items:start}
.check-list .sq{
  width:22px;height:22px;border-radius:7px;margin-top:5px;
  background:rgba(18,214,180,.14);border:1px solid rgba(18,214,180,.36);
  display:grid;place-items:center;color:var(--primary);font-size:12px;font-family:var(--mono);font-weight:700;
}
.check-list h4{font-size:16.5px;margin-bottom:4px}
.check-list p{font-size:14.5px;color:var(--text-2)}

/* ============ 流程对照表 ============ */
.table-shell{
  border:1px solid var(--line);border-radius:var(--r-panel);overflow:hidden;
  background:var(--glass);box-shadow:var(--shadow-card);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
}
.table-scroll{overflow-x:auto}
table.flow{width:100%;border-collapse:collapse;min-width:820px}
table.flow thead th{
  text-align:left;font-size:12px;letter-spacing:.06em;font-weight:500;
  color:var(--signal);padding:18px 22px;background:rgba(106,123,255,.08);
  border-bottom:1px solid var(--line);white-space:nowrap;
}
table.flow tbody td{
  padding:18px 22px;font-size:14.5px;color:var(--text-2);
  border-bottom:1px solid var(--line);vertical-align:middle;
}
table.flow tbody tr:last-child td{border-bottom:0}
table.flow tbody tr:nth-child(even) td{background:rgba(255,255,255,.018)}
table.flow tbody tr:hover td{background:rgba(18,214,180,.05)}
table.flow td:first-child{color:var(--text);font-weight:500}
table.flow .mono{color:var(--text-2)}

/* ============ 温馨提示 ============ */
.note-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:34px;align-items:start}
.note-card{padding:26px 28px}
.note-card h3{font-size:19px;margin-bottom:16px}
.numbered{display:grid;gap:14px}
.numbered li{display:grid;grid-template-columns:38px 1fr;gap:14px;align-items:start;font-size:14.5px;color:var(--text-2)}
.numbered .num{font-family:var(--mono);font-size:13px;color:var(--primary);padding-top:2px}
.checkbox-card{padding:26px 28px}
.checkbox-card .row-line{
  display:grid;grid-template-columns:22px 1fr;gap:14px;align-items:start;
  padding:13px 0;border-bottom:1px dashed rgba(255,255,255,.09);font-size:14.5px;color:var(--text-2);
}
.checkbox-card .row-line:last-child{border-bottom:0}
.checkbox-card .box{
  width:20px;height:20px;border-radius:6px;margin-top:5px;
  border:1px solid rgba(18,214,180,.5);background:rgba(18,214,180,.1);
  display:grid;place-items:center;color:var(--primary);font-size:12px;font-weight:700;
}

/* ============ FAQ ============ */
.faq-accordion .accordion-item{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  margin-bottom:14px;overflow:hidden;
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-card);
}
.faq-accordion .accordion-item:last-child{margin-bottom:0}
.faq-accordion .accordion-button{
  background:transparent;color:var(--text);
  font-size:17px;font-weight:500;line-height:1.5;
  padding:20px 54px 20px 24px;position:relative;box-shadow:none;
}
.faq-accordion .accordion-button:not(.collapsed){color:var(--primary)}
.faq-accordion .accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  background:var(--primary);border-radius:0 3px 3px 0;
}
.faq-accordion .accordion-button::after{
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%23A3B0C6' stroke-width='1.9' stroke-linecap='round'%3E%3Cpath d='M3 6l5 5 5-5'/%3E%3C/svg%3E");
  background-size:16px;width:16px;height:16px;margin-left:auto;
}
.faq-accordion .accordion-button:not(.collapsed)::after{
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%2312D6B4' stroke-width='1.9' stroke-linecap='round'%3E%3Cpath d='M3 6l5 5 5-5'/%3E%3C/svg%3E");
}
.faq-accordion .accordion-button:focus{box-shadow:0 0 0 3px rgba(18,214,180,.18);z-index:3}
.faq-accordion .accordion-body{padding:0 38px 22px 38px;color:var(--text-2);font-size:15px}

/* ============ CTA ============ */
.cta-section{padding:0 0 96px}
.cta-panel{
  display:grid;grid-template-columns:1.05fr 1fr;gap:44px;
  padding:44px 46px;position:relative;overflow:hidden;
}
.cta-panel::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-3.png);
  background-size:cover;background-position:center;
  filter:blur(26px) brightness(.34);opacity:.75;z-index:0;
}
.cta-panel > *{position:relative;z-index:2}
.cta-copy h2{font-size:30px;margin-bottom:14px}
.cta-copy p{color:var(--text-2);font-size:15.5px}
.cta-list{display:grid;gap:12px;margin-top:22px}
.cta-list li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--text-2)}
.cta-list li::before{content:"";width:7px;height:7px;border-radius:2px;background:var(--primary);margin-top:9px;flex:0 0 7px}
.cta-form{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-content:start}
.cta-form .full{grid-column:1 / -1}
.form-label{display:block;font-size:13.5px;color:var(--text-2);margin-bottom:8px}
.form-control{
  width:100%;background:rgba(255,255,255,.03);border:1px solid var(--line);
  border-radius:12px;color:var(--text);font-size:15px;padding:12px 14px;height:auto;
  transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;
}
.form-control::placeholder{color:var(--text-3)}
.form-control:focus{
  background:rgba(255,255,255,.05);border-color:var(--primary);color:var(--text);
  box-shadow:0 0 0 3px rgba(18,214,180,.18);outline:none;
}
select.form-control{appearance:none;background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%2367748C' stroke-width='1.8' stroke-linecap='round'%3E%3Cpath d='M3 6l5 5 5-5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;background-size:15px;padding-right:38px}
select.form-control option{background:#0A111D;color:var(--text)}
.form-hint{font-size:12.5px;color:var(--text-3);margin-top:8px}
.form-msg{font-size:13.5px;color:var(--primary);margin-top:4px;min-height:20px}

/* ============ 页脚 ============ */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(10,17,29,.7),rgba(6,10,18,1));
  padding:64px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.15fr;gap:40px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{font-size:14px;color:var(--text-3);line-height:1.85;max-width:360px}
.footer-col h4{font-size:15px;color:var(--text);margin-bottom:16px;font-weight:500}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:14px;color:var(--text-2)}
.footer-col a:hover{color:var(--primary)}
.footer-col span{font-size:14px;color:var(--text-3)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line);
  font-family:var(--mono);font-size:12.5px;color:var(--text-3);letter-spacing:.02em;
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .hero-mini h1{font-size:38px}
  h2,.section-head h2{font-size:30px}
  .hero-grid{gap:36px}
  .split{gap:38px}
}
@media (max-width:991.98px){
  body{padding-top:72px}
  .section{padding:72px 0}
  .hero-mini{padding:44px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-mini h1{font-size:32px}
  .hero-lead{font-size:16px}
  .split{grid-template-columns:1fr;gap:28px}
  .split .media{order:-1}
  .note-grid{grid-template-columns:1fr}
  .cta-panel{grid-template-columns:1fr;padding:34px 30px;gap:30px}
  .cta-copy h2{font-size:26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1 / -1}
  .timeline::before{left:27px}
  .tl-item{grid-template-columns:56px 1fr;gap:18px}
  .tl-num{width:56px;height:56px;font-size:15px}
}
@media (max-width:767.98px){
  h1{font-size:30px}
  h2,.section-head h2{font-size:24px}
  h3{font-size:19px}
  .section{padding:56px 0}
  .hero-mini h1{font-size:29px}
  .hero-cta{gap:12px}
  .hero-cta .btn{flex:1 1 100%}
  .hero-stats{gap:24px}
  .stat b{font-size:19px}
  .cta-form{grid-template-columns:1fr}
  .faq-accordion .accordion-button{font-size:15.5px;padding:17px 48px 17px 20px}
  .faq-accordion .accordion-body{padding:0 20px 20px 20px;font-size:14.5px}
  .tl-body{padding:18px 18px}
  .timeline::before{display:none}
  .tl-item{grid-template-columns:1fr;gap:12px}
  .tl-num{width:46px;height:46px;box-shadow:none}
  table.flow{min-width:0}
  table.flow thead{display:none}
  table.flow tbody tr{display:block;border-bottom:1px solid var(--line);padding:14px 18px}
  table.flow tbody tr:nth-child(even) td{background:transparent}
  table.flow tbody td{display:flex;justify-content:space-between;gap:16px;border:0;padding:7px 0;background:transparent!important}
  table.flow tbody td::before{content:attr(data-label);color:var(--text-3);font-size:13px;flex:0 0 92px}
}
@media (max-width:575.98px){
  .hero-mini h1{font-size:26px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .cta-panel{padding:26px 20px}
  .card,.glass{border-radius:16px}
}
@media (hover:none){
  .card:hover{transform:none;box-shadow:var(--shadow-card)}
  .media:hover img{transform:none}
}

/* roulang page: category2 */
:root{
  --bs-body-bg:#060A12;
  --bs-body-color:#E9EFF8;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-border-radius:18px;
  --bs-link-color:#12D6B4;
  --bs-link-hover-color:#2BE9C7;
  --bs-primary:#12D6B4;

  --primary:#12D6B4;
  --primary-hover:#2BE9C7;
  --primary-active:#0FB69A;
  --primary-deep:#0E7F6C;
  --accent:#6A7BFF;
  --warm:#FFB454;

  --bg:#060A12;
  --bg-block:#0A111D;
  --glass:rgba(255,255,255,.045);
  --stroke:rgba(255,255,255,.08);

  --text:#E9EFF8;
  --text-2:#A3B0C6;
  --text-3:#67748C;
  --ink:#04120F;

  --radius-card:18px;
  --radius-panel:22px;
  --radius-btn:12px;

  --shadow-card:0 1px 0 rgba(255,255,255,.06) inset, 0 10px 30px rgba(0,0,0,.45);
  --shadow-hover:0 16px 44px rgba(0,0,0,.55);

  --font:"HarmonyOS Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --mono:"JetBrains Mono","SFMono-Regular",ui-monospace,monospace;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color .25s ease}
a:hover{color:var(--primary-hover)}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
h1,h2,h3,h4{font-weight:700;color:var(--text);margin:0}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}

.container{max-width:1240px;padding-left:32px;padding-right:32px;margin:0 auto}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:500;line-height:1;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:background .25s ease,color .25s ease,box-shadow .25s ease,transform .25s ease,border-color .25s ease;
  text-decoration:none;white-space:nowrap;
}
.btn-cta{
  background:var(--primary);color:var(--ink);
  box-shadow:0 0 0 1px rgba(18,214,180,.5),0 0 26px rgba(18,214,180,.38);
}
.btn-cta:hover{background:var(--primary-hover);color:var(--ink);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(43,233,199,.6),0 0 36px rgba(18,214,180,.5)}
.btn-cta:active{transform:none;box-shadow:inset 0 3px 10px rgba(0,0,0,.35)}
.btn-ghost{background:transparent;border-color:rgba(18,214,180,.45);color:var(--primary)}
.btn-ghost:hover{background:rgba(18,214,180,.12);color:var(--primary-hover);border-color:rgba(43,233,199,.7)}
.btn-ghost:active{background:rgba(18,214,180,.2)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}

/* ===== 徽章 ===== */
.badge-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12px;letter-spacing:.06em;font-weight:500;
  background:rgba(18,214,180,.14);color:var(--primary);
  border:1px solid rgba(18,214,180,.24);
}
.badge-accent{background:rgba(106,123,255,.14);color:#A3AEFF;border-color:rgba(106,123,255,.28)}

/* ===== 导航 ===== */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(6,10,18,.74);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid transparent;
  transition:background .3s ease,border-color .3s ease;
}
.site-header.is-scrolled{background:rgba(6,10,18,.92);border-bottom-color:var(--stroke)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:22px;height:72px;transition:height .3s ease}
.site-header.is-scrolled .nav-inner{height:60px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);flex:0 0 auto}
.brand:hover{color:var(--text)}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;color:var(--primary);
  background:linear-gradient(150deg,rgba(18,214,180,.2),rgba(106,123,255,.12));
  border:1px solid rgba(18,214,180,.3);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:16px;font-weight:700;letter-spacing:.01em}
.brand-text em{font-style:normal;font-size:12px;color:var(--text-3);letter-spacing:.04em}

.nav-links{display:flex;align-items:center;gap:26px}
.nav-link{position:relative;font-size:15px;color:var(--text-2);padding:6px 0;white-space:nowrap}
.nav-link::after{
  content:"";position:absolute;left:50%;right:50%;bottom:0;height:2px;
  background:var(--primary);border-radius:2px;transition:left .28s ease,right .28s ease;
}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after,.nav-link.is-active::after{left:0;right:0}
.nav-link.is-active{color:var(--primary)}
.nav-cta-mobile{display:none}

.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-actions .btn{height:42px;padding:0 18px;font-size:14px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;background:transparent;
  border:1px solid var(--stroke);flex-direction:column;align-items:center;justify-content:center;gap:5px;
  cursor:pointer;transition:border-color .25s ease,background .25s ease;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text-2);border-radius:2px;transition:.28s ease}
.nav-toggle:hover{border-color:rgba(18,214,180,.45);background:rgba(18,214,180,.08)}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);background:var(--primary)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);background:var(--primary)}

/* ===== 面包屑 ===== */
.crumb-bar{border-bottom:1px solid var(--stroke);background:rgba(10,17,29,.6)}
.crumb-list{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:14px 0;font-size:13px;color:var(--text-3)}
.crumb-list a{color:var(--text-2)}
.crumb-list a:hover{color:var(--primary)}
.crumb-sep{color:var(--text-3);opacity:.6}
.crumb-current{color:var(--text)}

/* ===== Hero ===== */
.cat-hero{position:relative;overflow:hidden;padding:66px 0 74px}
.cat-hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  filter:blur(7px) brightness(.4);
  transform:scale(1.06);opacity:.9;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(6,10,18,.72),rgba(6,10,18,.94));
}
.cat-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;z-index:3;
  background:linear-gradient(90deg,transparent,rgba(18,214,180,.75),rgba(106,123,255,.4),transparent);
}
.cat-hero .container{position:relative;z-index:2}
.cat-hero-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:34px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:16px;
  font-size:12px;letter-spacing:.06em;color:var(--primary);
  padding:5px 12px;border-radius:999px;
  background:rgba(18,214,180,.12);border:1px solid rgba(18,214,180,.24);
}
.cat-hero h1{font-size:48px;line-height:1.15;letter-spacing:-.01em;margin-bottom:18px}
.cat-hero h1 .hl{color:var(--primary)}
.lead{font-size:17px;color:var(--text-2);max-width:52ch;line-height:1.8}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}

.glass{
  background:var(--glass);
  border:1px solid var(--stroke);
  border-radius:var(--radius-panel);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-card);
}
.info-card{padding:24px}
.info-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--stroke)}
.info-head h2{font-size:16px;font-weight:500;color:var(--text-2)}
.status-dot{display:inline-flex;align-items:center;gap:8px;font-size:12px;color:var(--primary);font-family:var(--mono)}
.status-dot::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px rgba(18,214,180,.9)}
.info-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 0;border-bottom:1px dashed rgba(255,255,255,.07)}
.info-row:last-of-type{border-bottom:none}
.info-row .k{font-size:14px;color:var(--text-3)}
.info-row .v{font-family:var(--mono);font-size:16px;color:var(--text)}
.info-bar{display:flex;gap:6px;margin-top:18px}
.info-bar i{display:block;height:6px;flex:1;border-radius:999px;background:rgba(255,255,255,.08)}
.info-bar i.on{background:var(--primary);box-shadow:0 0 12px rgba(18,214,180,.45)}

/* ===== 通用区块 ===== */
.section{padding:96px 0}
.section-alt{background:var(--bg-block);border-top:1px solid var(--stroke);border-bottom:1px solid var(--stroke)}
.section-head{max-width:760px;margin-bottom:34px}
.section-head h2{font-size:34px;line-height:1.25;margin-bottom:12px}
.section-head p{color:var(--text-2);font-size:16px}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:34px}
.section-head-row .section-head{margin-bottom:0}

/* ===== 筛选标签 ===== */
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  height:38px;padding:0 16px;border-radius:999px;
  background:rgba(255,255,255,.04);border:1px solid var(--stroke);
  color:var(--text-2);font-size:14px;cursor:pointer;
  transition:background .25s ease,color .25s ease,border-color .25s ease,transform .25s ease;
}
.chip:hover{color:var(--text);border-color:rgba(18,214,180,.4);background:rgba(18,214,180,.08);transform:translateY(-1px)}
.chip.is-active{background:rgba(18,214,180,.16);border-color:rgba(18,214,180,.5);color:var(--primary)}
.chip .mono{font-size:12px;opacity:.8}

/* ===== 问答矩阵 ===== */
.qa-wrap{display:grid;grid-template-columns:340px 1fr;gap:24px;align-items:start}
.qa-nav{
  padding:14px;border-radius:var(--radius-panel);
  background:var(--glass);border:1px solid var(--stroke);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-card);
  display:flex;flex-direction:column;gap:8px;
  position:sticky;top:96px;
}
.qa-tab{
  display:flex;align-items:center;gap:12px;width:100%;text-align:left;
  padding:13px 14px;border-radius:12px;cursor:pointer;
  background:transparent;border:1px solid transparent;color:var(--text-2);
  font-size:14.5px;line-height:1.5;
  transition:background .25s ease,color .25s ease,border-color .25s ease;
}
.qa-tab:hover{background:rgba(255,255,255,.05);color:var(--text)}
.qa-tab.is-active{background:rgba(18,214,180,.12);border-color:rgba(18,214,180,.4);color:var(--text);box-shadow:inset 3px 0 0 var(--primary)}
.qa-tab-num{font-family:var(--mono);font-size:12px;color:var(--text-3);flex:0 0 auto}
.qa-tab.is-active .qa-tab-num{color:var(--primary)}

.qa-panels{display:flex;flex-direction:column;gap:18px}
.qa-panel{
  padding:26px 26px 22px;border-radius:var(--radius-card);
  background:var(--glass);border:1px solid var(--stroke);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-card);
  display:none;
}
.qa-panel.is-active{display:block;animation:fadeUp .35s ease both}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@media (hover:hover){
  .qa-panel.is-active:hover{box-shadow:var(--shadow-hover);border-color:rgba(18,214,180,.3)}
}
.qa-panel-head{display:flex;align-items:flex-start;gap:14px;margin-bottom:14px}
.qa-num{
  font-family:var(--mono);font-size:13px;color:var(--primary);
  padding:4px 10px;border-radius:8px;background:rgba(18,214,180,.12);
  border:1px solid rgba(18,214,180,.24);flex:0 0 auto;
}
.qa-panel-head h3{font-size:22px;line-height:1.35}
.qa-panel > p{color:var(--text-2);margin-bottom:18px}
.qa-steps{display:flex;flex-direction:column;gap:10px;margin-bottom:18px}
.qa-steps li{display:flex;gap:12px;align-items:flex-start;color:var(--text-2);font-size:15px}
.qa-steps li::before{
  content:"";width:8px;height:8px;border-radius:2px;background:var(--primary);
  margin-top:9px;flex:0 0 auto;box-shadow:0 0 10px rgba(18,214,180,.5);
}
.qa-note{
  display:flex;gap:10px;align-items:flex-start;
  padding:14px 16px;border-radius:12px;
  background:rgba(106,123,255,.1);border:1px solid rgba(106,123,255,.24);
  color:#C3CAFF;font-size:14px;line-height:1.7;
}
.qa-note i{color:var(--accent);margin-top:4px}

/* ===== 排查流程 ===== */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.flow-card{
  padding:24px;border-radius:var(--radius-card);
  background:var(--glass);border:1px solid var(--stroke);
  box-shadow:var(--shadow-card);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
@media (hover:hover){
  .flow-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(18,214,180,.3)}
}
.flow-num{font-family:var(--mono);font-size:26px;color:var(--primary);display:block;margin-bottom:12px}
.flow-card h3{font-size:18px;margin-bottom:8px}
.flow-card p{color:var(--text-2);font-size:14.5px}

/* ===== 场景卡 ===== */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.scene-card{
  border-radius:var(--radius-card);overflow:hidden;
  background:var(--glass);border:1px solid var(--stroke);
  box-shadow:var(--shadow-card);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
  display:flex;flex-direction:column;
}
@media (hover:hover){
  .scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(18,214,180,.3)}
}
.scene-media{position:relative;overflow:hidden;aspect-ratio:16/10;border-bottom:1px solid var(--stroke)}
.scene-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
@media (hover:hover){
  .scene-card:hover .scene-media img{transform:scale(1.04)}
}
.scene-media::after{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent);
}
.scene-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.scene-body h3{font-size:19px}
.scene-body p{color:var(--text-2);font-size:14.5px;flex:1}
.link-more{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--primary)}
.link-more i{transition:transform .25s ease}
.link-more:hover i{transform:translateX(4px)}

/* ===== CTA 卡 ===== */
.cta-section{padding:96px 0 104px}
.cta-panel{
  padding:42px;border-radius:var(--radius-panel);
  background:linear-gradient(140deg,rgba(18,214,180,.1),rgba(106,123,255,.07) 60%,rgba(255,255,255,.03));
  border:1px solid rgba(18,214,180,.28);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:0 1px 0 rgba(255,255,255,.06) inset,0 22px 60px rgba(0,0,0,.5);
}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:start}
.cta-copy h2{font-size:30px;line-height:1.3;margin-bottom:14px}
.cta-copy p{color:var(--text-2);margin-bottom:20px}
.cta-list{display:flex;flex-direction:column;gap:10px}
.cta-list li{display:flex;gap:10px;align-items:flex-start;color:var(--text-2);font-size:14.5px}
.cta-list li i{color:var(--primary);margin-top:5px}
.cta-form{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-field{display:flex;flex-direction:column;gap:8px}
.form-field.full{grid-column:1 / -1}
.form-field label{font-size:13px;color:var(--text-3);letter-spacing:.02em}
.form-field input,.form-field textarea{
  width:100%;background:rgba(255,255,255,.04);color:var(--text);
  border:1px solid var(--stroke);border-radius:12px;
  padding:12px 14px;font-size:14.5px;font-family:inherit;
  transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.form-field textarea{min-height:96px;resize:vertical}
.form-field input::placeholder,.form-field textarea::placeholder{color:#5C687E}
.form-field input:focus,.form-field textarea:focus{
  outline:none;border-color:var(--primary);background:rgba(18,214,180,.06);
  box-shadow:0 0 0 3px rgba(18,214,180,.18);
}
.cta-form .btn{width:100%;grid-column:1 / -1}
.form-tip{grid-column:1 / -1;font-size:13px;color:var(--warm);min-height:18px}

/* ===== 页脚 ===== */
.site-footer{background:var(--bg-block);border-top:1px solid var(--stroke);padding:64px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding-bottom:36px}
.footer-brand p{color:var(--text-3);font-size:14px;margin-top:16px;max-width:38ch;line-height:1.75}
.footer-col h4{font-size:14px;color:var(--text);letter-spacing:.04em;margin-bottom:16px;font-weight:500}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a,.footer-col span{font-size:14px;color:var(--text-3);transition:color .25s ease}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  border-top:1px solid var(--stroke);padding-top:22px;
  font-family:var(--mono);font-size:12.5px;color:var(--text-3);letter-spacing:.02em;
}

/* ===== 响应式 ===== */
@media (min-width:1400px){
  .section{padding:104px 0}
}
@media (max-width:1200px){
  .cat-hero h1{font-size:42px}
  .qa-wrap{grid-template-columns:300px 1fr}
}
@media (max-width:992px){
  .container{padding-left:22px;padding-right:22px}
  .nav-links{
    position:fixed;left:0;right:0;top:72px;z-index:1029;
    flex-direction:column;align-items:stretch;gap:0;
    padding:18px 18px 22px;
    background:rgba(9,14,24,.98);
    backdrop-filter:blur(16px);
    border-bottom:1px solid var(--stroke);
    box-shadow:0 24px 50px rgba(0,0,0,.55);
    transform:translateY(-14px);opacity:0;pointer-events:none;
    transition:transform .3s ease,opacity .3s ease;
    max-height:calc(100vh - 72px);overflow-y:auto;
  }
  .nav-links.is-open{transform:none;opacity:1;pointer-events:auto}
  .nav-link{
    width:100%;padding:14px 16px;margin-bottom:10px;
    border-radius:12px;background:rgba(255,255,255,.03);
    border:1px solid var(--stroke);font-size:15px;color:var(--text-2);
  }
  .nav-link::after{display:none}
  .nav-link.is-active{color:var(--primary);border-color:rgba(18,214,180,.5);background:rgba(18,214,180,.1)}
  .nav-cta-mobile{
    display:flex;align-items:center;justify-content:center;
    margin-top:6px;height:48px;border-radius:12px;
    background:var(--primary);color:var(--ink);font-weight:500;
    box-shadow:0 0 0 1px rgba(18,214,180,.5),0 0 26px rgba(18,214,180,.35);
  }
  .nav-cta-mobile:hover{color:var(--ink);background:var(--primary-hover)}
  .nav-actions .btn-ghost{display:none}
  .nav-toggle{display:flex}

  .cat-hero{padding:52px 0 58px}
  .cat-hero-grid{grid-template-columns:1fr;gap:26px}
  .cat-hero h1{font-size:34px}
  .lead{font-size:16px}
  .section{padding:72px 0}
  .section-head h2{font-size:26px}
  .qa-wrap{grid-template-columns:1fr}
  .qa-nav{
    position:static;flex-direction:row;flex-wrap:nowrap;overflow-x:auto;
    gap:10px;padding:12px;scrollbar-width:thin;
  }
  .qa-tab{
    width:auto;flex:0 0 auto;padding:10px 14px;border-radius:999px;
    background:rgba(255,255,255,.04);border-color:var(--stroke);
  }
  .qa-tab.is-active{box-shadow:none;border-color:rgba(18,214,180,.45)}
  .qa-tab-text{white-space:nowrap}
  .flow-grid{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .cta-grid{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  .cat-hero h1{font-size:30px}
  .cat-hero{padding:44px 0 48px}
  .section{padding:56px 0}
  .section-head h2{font-size:24px}
  .section-head-row{align-items:flex-start;flex-direction:column}
  .qa-panel{padding:22px 18px}
  .qa-panel-head h3{font-size:19px}
  .flow-grid{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr}
  .cta-panel{padding:28px 20px}
  .cta-copy h2{font-size:24px}
  .cta-form{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .info-card{padding:20px}
}
@media (max-width:576px){
  .container{padding-left:18px;padding-right:18px}
  .cat-hero h1{font-size:26px}
  .brand-text em{display:none}
  .btn{font-size:14px;height:42px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .qa-tab{padding:9px 12px;font-size:13.5px}
}

/* roulang page: category3 */
:root{
  --bs-primary:#12D6B4;
  --bs-body-bg:#060A12;
  --bs-body-color:#E9EFF8;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-border-radius:12px;
  --bs-border-radius-lg:18px;
  --bs-border-radius-xl:22px;
  --bs-border-radius-2xl:22px;
  --bs-link-color:#12D6B4;
  --bs-link-hover-color:#2BE9C7;
  --bs-font-sans-serif:"HarmonyOS Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;

  --bg:#060A12;
  --bg-2:#0A111D;
  --glass:rgba(255,255,255,.045);
  --glass-2:rgba(255,255,255,.07);
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.14);
  --text:#E9EFF8;
  --text-2:#A3B0C6;
  --text-3:#67748C;
  --brand:#12D6B4;
  --brand-hi:#2BE9C7;
  --brand-down:#0FB69A;
  --brand-deep:#0E7F6C;
  --violet:#6A7BFF;
  --warm:#FFB454;
  --ink:#04120F;

  --r-card:18px;
  --r-panel:22px;
  --r-btn:12px;
  --r-pill:999px;

  --shadow-card:0 1px 0 rgba(255,255,255,.06) inset, 0 10px 30px rgba(0,0,0,.45);
  --shadow-hover:0 16px 44px rgba(0,0,0,.55);
  --glow:0 0 0 1px rgba(18,214,180,.5), 0 0 26px rgba(18,214,180,.38);
  --glow-hi:0 0 0 1px rgba(18,214,180,.62), 0 0 36px rgba(18,214,180,.46);

  --maxw:1240px;
  --nav-h:72px;
  --font:"HarmonyOS Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --mono:"JetBrains Mono","SFMono-Regular",ui-monospace,monospace;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--brand-hi);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px;}

.container{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(6,10,18,.72);
  border-bottom:1px solid transparent;
  transition:background .28s ease,border-color .28s ease,backdrop-filter .28s ease;
}
.site-header.is-scrolled{
  background:rgba(6,10,18,.9);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom-color:var(--line);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:var(--nav-h);
  transition:min-height .28s ease;
}
.site-header.is-scrolled .nav-inner{min-height:60px;}

.brand{display:flex;align-items:center;gap:12px;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-mark{
  width:40px;height:40px;
  display:grid;place-items:center;
  border-radius:12px;
  color:var(--brand);
  background:linear-gradient(160deg,rgba(18,214,180,.18),rgba(106,123,255,.1));
  border:1px solid rgba(18,214,180,.32);
  box-shadow:0 0 22px rgba(18,214,180,.18);
  flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:17px;font-weight:700;letter-spacing:.01em;}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--text-3);letter-spacing:.06em;}

.nav-links{display:flex;align-items:center;gap:28px;}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--text-2);
  padding:6px 0;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:50%;bottom:0;
  width:0;height:2px;
  background:var(--brand);
  transform:translateX(-50%);
  transition:width .26s ease;
  border-radius:2px;
}
.nav-link:hover{color:var(--text);}
.nav-link:hover::after{width:100%;}
.nav-link.is-active{color:var(--text);font-weight:500;}
.nav-link.is-active::after{width:100%;}

.nav-actions{display:flex;align-items:center;gap:12px;}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 20px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:500;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
  text-align:center;
}
.btn-cta{
  background:var(--brand);
  color:var(--ink);
  font-weight:700;
  box-shadow:var(--glow);
}
.btn-ghost{
  background:transparent;
  color:var(--brand);
  border-color:rgba(18,214,180,.45);
  height:44px;
  padding:0 18px;
}
.btn-lg{height:52px;padding:0 28px;font-size:16px;border-radius:14px;}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}

@media (hover:hover){
  .btn-cta:hover{background:var(--brand-hi);color:var(--ink);transform:translateY(-1px);box-shadow:var(--glow-hi);}
  .btn-ghost:hover{background:rgba(18,214,180,.12);color:var(--brand-hi);border-color:rgba(18,214,180,.62);}
}
.btn-cta:active{box-shadow:inset 0 3px 10px rgba(0,0,0,.3);transform:translateY(0);background:var(--brand-down);}
.btn-ghost:active{background:rgba(18,214,180,.2);}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line-2);
  background:var(--glass);
  padding:0;
  position:relative;
}
.nav-toggle span{
  position:absolute;left:50%;width:18px;height:2px;background:var(--text);border-radius:2px;
  transform:translateX(-50%);transition:transform .26s ease,opacity .26s ease,top .26s ease;
}
.nav-toggle span:nth-child(1){top:15px;}
.nav-toggle span:nth-child(2){top:21px;}
.nav-toggle span:nth-child(3){top:27px;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){top:21px;transform:translateX(-50%) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){top:21px;transform:translateX(-50%) rotate(-45deg);}

/* ---------- 面包屑 ---------- */
.crumb-bar{
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(10,17,29,.9),rgba(6,10,18,.4));
}
.crumb{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  padding:16px 0;
  font-size:13.5px;color:var(--text-3);
}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:var(--text-3);opacity:.7;}
.crumb .current{color:var(--text);font-weight:500;}

/* ---------- 迷你 Hero ---------- */
.mini-hero{
  position:relative;
  padding:72px 0 64px;
  background:
    radial-gradient(900px 420px at 12% -10%,rgba(18,214,180,.14),transparent 62%),
    radial-gradient(700px 380px at 92% 6%,rgba(106,123,255,.14),transparent 60%),
    var(--bg);
  overflow:hidden;
}
.mini-hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  filter:blur(18px) brightness(.4);
  opacity:.5;
  z-index:0;
}
.mini-hero .container{position:relative;z-index:1;}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:rgba(18,214,180,.14);
  color:var(--brand);
  font-size:12px;letter-spacing:.06em;
  border:1px solid rgba(18,214,180,.24);
  margin-bottom:20px;
}
.hero-tag .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px var(--brand);}
.mini-hero h1{
  font-size:44px;line-height:1.18;font-weight:700;letter-spacing:-.01em;
  margin-bottom:18px;
}
.mini-hero h1 .hl{color:var(--brand);}
.hero-sub{
  font-size:16.5px;line-height:1.75;color:var(--text-2);max-width:620px;margin-bottom:28px;
}
.hero-band{
  height:1px;width:100%;margin-top:34px;
  background:linear-gradient(90deg,transparent,rgba(18,214,180,.7),rgba(106,123,255,.5),transparent);
}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;}

.hero-card{
  border-radius:var(--r-panel);
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  padding:24px;
}
.hero-card-top{
  display:flex;align-items:center;justify-content:space-between;
  padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:18px;
}
.hero-card-title{font-size:15px;font-weight:500;display:flex;align-items:center;gap:10px;}
.status-dot{width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 12px var(--brand);}
.mono{font-family:var(--mono);}
.hero-card-top .mono{font-size:12px;color:var(--text-3);letter-spacing:.06em;}
.field-row{margin-bottom:14px;}
.field-label{font-size:12px;color:var(--text-3);letter-spacing:.06em;margin-bottom:7px;}
.field-bar{
  height:12px;border-radius:999px;
  background:linear-gradient(90deg,rgba(255,255,255,.11),rgba(255,255,255,.045));
  border:1px solid var(--line);
}
.field-bar.w-70{width:70%;}
.field-bar.w-52{width:52%;}
.field-bar.w-86{width:86%;}
.hero-card .btn-block{margin-top:20px;}

/* ---------- 通用板块 ---------- */
main{display:block;}
.section{padding:96px 0;}
.section.tight{padding:72px 0;}
.section-alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  font-size:12px;letter-spacing:.06em;color:var(--brand);
  font-family:var(--mono);text-transform:uppercase;margin-bottom:14px;display:block;
}
.section-head h2{font-size:34px;line-height:1.25;font-weight:700;margin-bottom:16px;letter-spacing:-.01em;}
.section-head p{font-size:16px;color:var(--text-2);line-height:1.8;}

/* ---------- 注意事项编号列表 ---------- */
.notice-list{display:grid;gap:16px;}
.notice-item{
  display:grid;grid-template-columns:64px 1fr;
  gap:20px;
  padding:22px 24px;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  transition:border-color .26s ease,transform .26s ease,box-shadow .26s ease;
}
.notice-num{
  font-family:var(--mono);font-size:22px;font-weight:700;color:var(--brand);
  line-height:1.4;letter-spacing:.02em;
}
.notice-item h3{font-size:18px;font-weight:700;margin-bottom:8px;}
.notice-item p{font-size:14.8px;color:var(--text-2);line-height:1.75;}

@media (hover:hover){
  .notice-item:hover{border-color:rgba(18,214,180,.4);transform:translateY(-2px);box-shadow:var(--shadow-hover);}
}

/* ---------- 图标清单网格 ---------- */
.grid-4{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
}
.icon-card{
  padding:24px 22px;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  transition:border-color .26s ease,transform .26s ease,box-shadow .26s ease,background .26s ease;
  height:100%;
}
.icon-box{
  width:46px;height:46px;border-radius:14px;
  display:grid;place-items:center;
  color:var(--brand);
  background:linear-gradient(160deg,rgba(18,214,180,.16),rgba(106,123,255,.08));
  border:1px solid rgba(18,214,180,.26);
  margin-bottom:16px;
}
.icon-card h3{font-size:17px;font-weight:700;margin-bottom:10px;}
.icon-card p{font-size:14.4px;color:var(--text-2);line-height:1.75;}
.icon-card .tag-line{
  margin-top:16px;
  font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;color:var(--text-3);
  display:inline-block;
}
@media (hover:hover){
  .icon-card:hover{border-color:rgba(18,214,180,.38);transform:translateY(-3px);box-shadow:var(--shadow-hover);background:rgba(255,255,255,.06);}
}

/* ---------- 图文建议 ---------- */
.split{
  display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;
}
.split.reverse .split-media{order:2;}
.media-frame{
  border-radius:var(--r-panel);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  position:relative;
  background:rgba(255,255,255,.04);
}
.media-frame::after{
  content:"";position:absolute;inset:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent);
}
.media-frame img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s ease;}
@media (hover:hover){
  .media-frame:hover img{transform:scale(1.04);}
}
.split-body h2{font-size:32px;line-height:1.28;font-weight:700;margin-bottom:18px;letter-spacing:-.01em;}
.split-body > p{font-size:16px;color:var(--text-2);line-height:1.8;margin-bottom:24px;}
.point-list{display:grid;gap:14px;}
.point-list li{
  display:grid;grid-template-columns:10px 1fr;gap:14px;
  font-size:15.2px;color:var(--text-2);line-height:1.75;
}
.point-list li::before{
  content:"";width:10px;height:10px;border-radius:3px;background:var(--brand);
  margin-top:9px;box-shadow:0 0 12px rgba(18,214,180,.6);
}
.point-list strong{color:var(--text);font-weight:500;}

/* ---------- 自查清单卡 ---------- */
.check-panel{
  border-radius:var(--r-panel);
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  padding:34px;
}
.check-head{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;margin-bottom:26px;flex-wrap:wrap;}
.check-head h2{font-size:26px;font-weight:700;margin-bottom:10px;}
.check-head p{font-size:15px;color:var(--text-2);line-height:1.75;max-width:620px;}
.badge-soft{
  display:inline-flex;align-items:center;
  padding:6px 14px;border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.06em;
  background:rgba(106,123,255,.16);
  color:#9EA9FF;
  border:1px solid rgba(106,123,255,.3);
  font-family:var(--mono);
  white-space:nowrap;
}
.check-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;
  margin-bottom:28px;
}
.check-item{
  display:grid;grid-template-columns:22px 1fr;gap:14px;
  padding:16px 18px;
  border-radius:14px;
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
  font-size:14.8px;color:var(--text-2);line-height:1.7;
}
.check-item .box{
  width:22px;height:22px;border-radius:7px;
  border:1px solid rgba(18,214,180,.5);
  display:grid;place-items:center;
  color:var(--brand);
  background:rgba(18,214,180,.1);
  margin-top:2px;
}
.check-item strong{display:block;color:var(--text);font-weight:500;margin-bottom:4px;font-size:15px;}
.check-foot{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  padding-top:24px;border-top:1px solid var(--line);
}
.check-foot .mono{font-size:12.5px;color:var(--text-3);letter-spacing:.06em;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:920px;margin:0 auto;}
.accordion-item{
  background:var(--glass);
  border:1px solid var(--line)!important;
  border-radius:var(--r-card)!important;
  margin-bottom:14px;
  overflow:hidden;
  position:relative;
  transition:border-color .26s ease;
}
.accordion-item::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  background:var(--brand);border-radius:0 3px 3px 0;
  transform:scaleY(0);transform-origin:center;transition:transform .3s ease;
}
.accordion-item:has(.accordion-button:not(.collapsed))::before{transform:scaleY(1);}
.accordion-button{
  background:transparent!important;
  color:var(--text)!important;
  font-size:16.5px;
  font-weight:500;
  padding:22px 26px;
  box-shadow:none!important;
  font-family:var(--font);
}
.accordion-button:not(.collapsed){color:var(--brand)!important;}
.accordion-button::after{
  background-image:none;
  width:12px;height:12px;
  border-right:2px solid var(--text-3);
  border-bottom:2px solid var(--text-3);
  transform:rotate(45deg);
  transition:transform .28s ease,border-color .28s ease;
  margin-top:-6px;
}
.accordion-button:not(.collapsed)::after{
  border-color:var(--brand);
  transform:rotate(-135deg);
  margin-top:4px;
}
.accordion-body{
  padding:0 42px 24px 26px;
  color:var(--text-2);
  font-size:15px;
  line-height:1.85;
}
@media (hover:hover){
  .accordion-item:hover{border-color:rgba(18,214,180,.3)!important;}
}

/* ---------- CTA 通栏 ---------- */
.cta-band{
  position:relative;
  border-radius:var(--r-panel);
  padding:52px 48px;
  overflow:hidden;
  background:
    radial-gradient(600px 260px at 8% 10%,rgba(18,214,180,.2),transparent 62%),
    radial-gradient(500px 240px at 92% 90%,rgba(106,123,255,.18),transparent 60%),
    var(--bg-2);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  display:grid;grid-template-columns:1.5fr 1fr;gap:36px;align-items:center;
}
.cta-band h2{font-size:30px;font-weight:700;line-height:1.3;margin-bottom:14px;}
.cta-band p{font-size:15.6px;color:var(--text-2);line-height:1.8;max-width:640px;}
.cta-actions{display:flex;flex-direction:column;gap:12px;align-items:stretch;}
.cta-note{font-family:var(--mono);font-size:12px;color:var(--text-3);letter-spacing:.06em;text-align:center;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-2);
  border-top:1px solid var(--line);
  padding:72px 0 32px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
  border-bottom:1px solid var(--line);
}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand p{font-size:14.4px;color:var(--text-2);line-height:1.8;max-width:360px;}
.footer-col h4{
  font-size:14px;font-weight:700;color:var(--text);
  margin-bottom:18px;letter-spacing:.02em;
}
.footer-col ul{display:grid;gap:11px;}
.footer-col li{font-size:14.4px;color:var(--text-2);}
.footer-col a{color:var(--text-2);}
.footer-col a:hover{color:var(--brand);}
.footer-col span{color:var(--text-2);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;
  padding-top:26px;
  font-family:var(--mono);
  font-size:12.5px;
  color:var(--text-3);
  letter-spacing:.02em;
}

/* ---------- 响应式 ---------- */
@media (min-width:1400px){
  .section{padding:104px 0;}
  .hi{padding-left:8px;padding-right:8px;}
}
@media (max-width:1200px){
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .mini-hero h1{font-size:38px;}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-band{grid-template-columns:1fr;padding:44px 36px;}
}
@media (max-width:992px){
  .container{padding-left:24px;padding-right:24px;}
  .nav-links{
    position:fixed;
    top:var(--nav-h);
    left:0;right:0;
    flex-direction:column;
    align-items:stretch;
    gap:10px;
    padding:22px 24px 28px;
    background:rgba(8,13,22,.98);
    backdrop-filter:blur(16px) saturate(140%);
    -webkit-backdrop-filter:blur(16px) saturate(140%);
    border-bottom:1px solid var(--line);
    transform:translateY(-14px);
    opacity:0;visibility:hidden;
    pointer-events:none;
    transition:opacity .26s ease,transform .26s ease,visibility .26s ease;
    max-height:calc(100vh - var(--nav-h));
    overflow-y:auto;
  }
  .nav-links.is-open{transform:translateY(0);opacity:1;visibility:visible;pointer-events:auto;}
  .nav-link{
    display:block;
    padding:14px 16px;
    border-radius:12px;
    background:rgba(255,255,255,.035);
    border:1px solid var(--line);
    font-size:15.5px;
    color:var(--text);
  }
  .nav-link::after{display:none;}
  .nav-link.is-active{border-color:rgba(18,214,180,.45);background:rgba(18,214,180,.1);color:var(--brand);}
  .nav-toggle{display:block;}
  .nav-actions .btn-ghost{display:none;}
  .nav-actions .btn-cta{height:40px;padding:0 16px;font-size:14px;}
  .section{padding:72px 0;}
  .section-head h2{font-size:28px;}
  .split{grid-template-columns:1fr;gap:32px;}
  .split.reverse .split-media{order:0;}
  .split-body h2{font-size:26px;}
  .check-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  .mini-hero{padding:52px 0 44px;}
  .mini-hero h1{font-size:30px;}
  .hero-sub{font-size:15.4px;}
  .section{padding:60px 0;}
  .section-head h2{font-size:24px;}
  .grid-4{grid-template-columns:1fr;}
  .notice-item{grid-template-columns:48px 1fr;padding:20px 18px;gap:14px;}
  .notice-num{font-size:18px;}
  .check-panel{padding:24px 20px;}
  .check-head h2{font-size:22px;}
  .cta-band{padding:34px 22px;}
  .cta-band h2{font-size:24px;}
  .accordion-button{font-size:15.5px;padding:18px 20px;}
  .accordion-body{padding:0 24px 20px 20px;}
}
@media (max-width:576px){
  .container{padding-left:18px;padding-right:18px;}
  .brand-text strong{font-size:15.5px;}
  .brand-text em{font-size:10.5px;}
  .brand-mark{width:36px;height:36px;}
  .hero-btns .btn{width:100%;}
  .mini-hero h1{font-size:26px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .btn-lg{height:48px;font-size:15px;}
}

/* roulang page: category4 */
:root{
  --brand:#12D6B4;
  --brand-hover:#2BE9C7;
  --brand-press:#0FB69A;
  --brand-deep:#0E7F6C;
  --accent:#6A7BFF;
  --warm:#FFB454;
  --bg:#060A12;
  --panel:#0A111D;
  --glass:rgba(255,255,255,.045);
  --glass-strong:rgba(255,255,255,.07);
  --line:rgba(255,255,255,.08);
  --text:#E9EFF8;
  --text-2:#A3B0C6;
  --text-3:#67748C;
  --on-brand:#04120F;
  --r-card:18px;
  --r-lg:22px;
  --r-btn:12px;
  --shadow-card:0 1px 0 rgba(255,255,255,.06) inset,0 10px 30px rgba(0,0,0,.45);
  --shadow-hover:0 16px 44px rgba(0,0,0,.55);
  --sec:96px;
  --font-cn:"HarmonyOS Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-mono:"JetBrains Mono","SFMono-Regular",Consolas,monospace;

  --bs-primary:var(--brand);
  --bs-primary-rgb:18,214,180;
  --bs-body-bg:var(--bg);
  --bs-body-color:var(--text);
  --bs-border-color:var(--line);
  --bs-border-radius:var(--r-btn);
  --bs-border-radius-lg:var(--r-card);
  --bs-link-color:var(--brand);
  --bs-link-hover-color:var(--brand-hover);
  --bs-font-sans-serif:var(--font-cn);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(900px 480px at 12% -8%,rgba(18,214,180,.10),transparent 62%),
    radial-gradient(760px 420px at 92% 6%,rgba(106,123,255,.10),transparent 60%);
  pointer-events:none;
  z-index:0;
}
a{color:var(--brand);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--brand-hover);}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
}
img{max-width:100%;display:block;}
h1,h2,h3,h4,h5{margin:0;font-weight:700;color:var(--text);}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;position:relative;z-index:1;}
.mono{font-family:var(--font-mono);letter-spacing:.02em;}

/* ============ HEADER / NAV ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1030;
  background:rgba(6,10,18,.72);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid transparent;
  transition:background .28s ease,border-color .28s ease,height .28s ease;
}
.site-header.is-scrolled{
  background:rgba(6,10,18,.92);
  border-bottom-color:var(--line);
}
.nav-inner{
  height:72px;
  display:flex;
  align-items:center;
  gap:28px;
  transition:height .28s ease;
}
.site-header.is-scrolled .nav-inner{height:60px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:42px;height:42px;
  display:grid;place-items:center;
  border-radius:14px;
  color:var(--brand);
  background:rgba(18,214,180,.12);
  border:1px solid rgba(18,214,180,.32);
  box-shadow:0 0 22px rgba(18,214,180,.16) inset;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:17px;font-weight:700;color:var(--text);letter-spacing:.01em;}
.brand-text em{font-style:normal;font-size:12px;color:var(--text-3);letter-spacing:.06em;}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:auto;}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--text-2);
  padding:6px 0;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:50%;bottom:0;
  width:0;height:2px;
  background:var(--brand);
  border-radius:2px;
  transform:translateX(-50%);
  transition:width .26s ease;
}
.nav-link:hover{color:var(--text);}
.nav-link:hover::after{width:100%;}
.nav-link.is-active{color:var(--text);}
.nav-link.is-active::after{width:100%;}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;
  padding:0 20px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:500;
  font-family:var(--font-cn);
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .22s ease,background .22s ease,box-shadow .26s ease,border-color .22s ease,color .22s ease;
  text-align:center;
}
.btn-cta{
  background:var(--brand);
  color:var(--on-brand);
  box-shadow:0 0 0 1px rgba(18,214,180,.5),0 0 26px rgba(18,214,180,.38);
}
.btn-cta:hover{
  background:var(--brand-hover);
  color:var(--on-brand);
  transform:translateY(-1px);
  box-shadow:0 0 0 1px rgba(18,214,180,.6),0 0 36px rgba(18,214,180,.46);
}
.btn-cta:active{
  background:var(--brand-press);
  transform:translateY(0);
  box-shadow:inset 0 3px 12px rgba(0,0,0,.35);
}
.btn-ghost{
  background:transparent;
  color:var(--text);
  border-color:rgba(18,214,180,.45);
}
.btn-ghost:hover{
  background:rgba(18,214,180,.12);
  color:var(--text);
  border-color:rgba(18,214,180,.75);
}
.btn-ghost:active{transform:translateY(0);background:rgba(18,214,180,.18);}
.btn-lg{height:50px;padding:0 28px;font-size:16px;}
.btn-wide{width:100%;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  padding:0;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text-2);border-radius:2px;transition:transform .24s ease,opacity .24s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ============ PAGE TOP ============ */
.page-top{padding:130px 0 0;}
.crumb-bar{border-bottom:1px solid var(--line);}
.crumb{
  display:flex;align-items:center;gap:10px;
  padding:14px 0;
  font-size:14px;
  color:var(--text-3);
}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:rgba(255,255,255,.18);}
.crumb .current{color:var(--text-2);}

.page-hero{
  position:relative;
  padding:64px 0 72px;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  filter:blur(18px) brightness(.34);
  transform:scale(1.08);
  opacity:.9;
}
.page-hero::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,10,18,.72),rgba(6,10,18,.96));
}
.page-hero .container{position:relative;z-index:2;}
.hero-grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:48px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border-radius:999px;
  font-size:12px;
  letter-spacing:.06em;
  color:var(--brand);
  background:rgba(18,214,180,.14);
  border:1px solid rgba(18,214,180,.28);
  margin-bottom:20px;
}
h1.hero-title{
  font-size:44px;
  line-height:1.18;
  margin-bottom:18px;
}
h1.hero-title .hl{color:var(--brand);}
.hero-sub{
  font-size:17px;
  color:var(--text-2);
  max-width:640px;
  margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-line{
  height:1px;
  background:linear-gradient(90deg,rgba(18,214,180,0),rgba(18,214,180,.75),rgba(106,123,255,.5),rgba(18,214,180,0));
  margin-bottom:22px;
}
.hero-metrics{display:flex;flex-wrap:wrap;gap:34px;}
.metric-value{font-family:var(--font-mono);font-size:22px;font-weight:700;color:var(--text);}
.metric-label{font-size:13px;color:var(--text-3);}

.glass-panel{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-card);
  padding:24px;
}
.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.panel-title{font-size:15px;font-weight:500;color:var(--text-2);letter-spacing:.04em;}
.status-dot{display:inline-flex;align-items:center;gap:8px;font-size:12px;color:var(--brand);}
.status-dot i{width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 12px var(--brand);display:inline-block;}
.field-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 0;border-bottom:1px dashed rgba(255,255,255,.08);}
.field-row:last-of-type{border-bottom:none;}
.field-key{font-size:13px;color:var(--text-3);}
.field-val{font-size:14px;color:var(--text);}
.field-bar{flex:1;height:8px;border-radius:999px;background:rgba(255,255,255,.07);overflow:hidden;}
.field-bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand-deep),var(--brand));}

/* ============ SECTION ============ */
.section{padding:var(--sec) 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head h2{font-size:34px;line-height:1.25;margin-bottom:14px;}
.section-head p{color:var(--text-2);margin:0;}
.section-flag{
  display:inline-block;font-size:12px;letter-spacing:.06em;
  color:var(--accent);
  padding:5px 12px;border-radius:999px;
  background:rgba(106,123,255,.14);
  border:1px solid rgba(106,123,255,.3);
  margin-bottom:14px;
}

/* 场景卡 */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.scene-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.scene-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(18,214,180,.3);
}
.media{
  position:relative;
  overflow:hidden;
  aspect-ratio:16/10;
  background:rgba(18,214,180,.06);
}
.media::after{
  content:"";
  position:absolute;top:0;left:0;right:0;height:1px;
  background:rgba(255,255,255,.16);
}
.media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.scene-card:hover .media img{transform:scale(1.04);}
.scene-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.scene-body h3{font-size:20px;}
.scene-body p{font-size:14.5px;color:var(--text-2);margin:0;}
.tick-list{display:flex;flex-direction:column;gap:9px;margin-top:4px;}
.tick-list li{position:relative;padding-left:18px;font-size:14px;color:var(--text-2);}
.tick-list li::before{
  content:"";position:absolute;left:0;top:.62em;
  width:7px;height:7px;border-radius:2px;background:var(--brand);
}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;color:var(--brand);margin-top:auto;
}
.text-link i{transition:transform .24s ease;}
.text-link:hover i{transform:translateX(4px);}

/* 对比表 */
.table-wrap{
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  overflow-x:auto;
  box-shadow:var(--shadow-card);
}
table.compare{width:100%;min-width:720px;border-collapse:collapse;}
table.compare th,table.compare td{
  padding:16px 22px;
  text-align:left;
  font-size:14.5px;
  border-bottom:1px solid var(--line);
  vertical-align:top;
}
table.compare thead th{
  font-size:14px;
  letter-spacing:.04em;
  background:rgba(106,123,255,.12);
  color:var(--accent);
  font-weight:500;
  border-bottom:1px solid rgba(106,123,255,.3);
}
table.compare tbody tr:nth-child(even){background:rgba(255,255,255,.022);}
table.compare tbody tr:last-child td{border-bottom:none;}
table.compare td:first-child{color:var(--text-2);width:22%;}
table.compare td strong{color:var(--text);font-weight:700;}
.pill{
  display:inline-block;font-size:12px;padding:3px 10px;border-radius:999px;
  background:rgba(18,214,180,.14);color:var(--brand);border:1px solid rgba(18,214,180,.28);
}
.pill-accent{background:rgba(106,123,255,.14);color:var(--accent);border-color:rgba(106,123,255,.3);}
.pill-weak{background:rgba(255,255,255,.05);color:var(--text-3);border-color:var(--line);}

/* 进阶步骤 */
.step-list{display:flex;flex-direction:column;gap:16px;}
.step-item{
  display:grid;
  grid-template-columns:88px 1fr;
  gap:22px;
  padding:22px 24px;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--panel);
  box-shadow:var(--shadow-card);
  transition:border-color .3s ease,transform .3s ease;
}
.step-item:hover{border-color:rgba(18,214,180,.3);transform:translateX(4px);}
.step-no{
  font-family:var(--font-mono);
  font-size:26px;
  font-weight:700;
  color:var(--brand);
  line-height:1.2;
}
.step-item h3{font-size:18px;margin-bottom:6px;}
.step-item p{font-size:14.5px;color:var(--text-2);margin:0;}

/* 推荐组合 */
.combo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.combo-card{
  position:relative;
  padding:28px 24px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--panel);
  box-shadow:var(--shadow-card);
  display:flex;flex-direction:column;gap:14px;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.combo-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.combo-card.featured{
  border-color:rgba(18,214,180,.42);
  transform:translateY(-8px);
  background:linear-gradient(180deg,rgba(18,214,180,.07),rgba(10,17,29,.9));
}
.combo-card.featured:hover{transform:translateY(-12px);}
.badge-rec{
  position:absolute;top:-13px;right:22px;
  font-size:12px;padding:4px 12px;border-radius:999px;
  background:rgba(255,180,84,.16);
  color:var(--warm);
  border:1px solid rgba(255,180,84,.4);
}
.combo-card h3{font-size:20px;}
.combo-price{font-family:var(--font-mono);font-size:30px;font-weight:700;color:var(--text);}
.combo-price small{font-size:14px;font-weight:400;color:var(--text-3);margin-left:6px;}
.combo-desc{font-size:14px;color:var(--text-2);margin:0;}
.combo-feats{display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--text-2);}
.combo-feats li{display:flex;align-items:flex-start;gap:9px;}
.combo-feats i{color:var(--brand);font-size:13px;margin-top:.35em;}
.combo-feats li.off{color:var(--text-3);text-decoration:line-through;}
.combo-feats li.off i{color:var(--text-3);}

/* FAQ */
.faq-wrap{max-width:900px;}
.accordion-item{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-card) !important;
  margin-bottom:14px;
  overflow:hidden;
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
}
.accordion-button{
  background:transparent !important;
  color:var(--text) !important;
  font-size:16.5px;
  font-weight:500;
  padding:20px 24px;
  box-shadow:none !important;
  border-radius:0 !important;
  position:relative;
}
.accordion-button::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;
  background:var(--brand);opacity:0;transition:opacity .24s ease;
}
.accordion-button:not(.collapsed)::before{opacity:1;}
.accordion-button::after{
  background-image:none;
  content:"\f078";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  font-size:13px;
  color:var(--brand);
  width:auto;height:auto;
  transition:transform .26s ease;
  transform:none;
}
.accordion-button:not(.collapsed)::after{transform:rotate(180deg);}
.accordion-body{
  padding:0 40px 22px 40px;
  color:var(--text-2);
  font-size:14.5px;
}

/* CTA */
.cta-band{
  position:relative;
  border-radius:var(--r-lg);
  border:1px solid rgba(18,214,180,.24);
  background:linear-gradient(120deg,rgba(18,214,180,.10),rgba(10,17,29,.9) 55%,rgba(106,123,255,.10));
  padding:44px;
  overflow:hidden;
  box-shadow:var(--shadow-card);
}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;}
.cta-band h2{font-size:30px;line-height:1.3;margin-bottom:12px;}
.cta-band p{color:var(--text-2);margin:0;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.form-field{display:flex;flex-direction:column;gap:8px;}
.form-field.full{grid-column:1/-1;}
.form-field label{font-size:13px;color:var(--text-2);}
.form-control,.form-select{
  background:rgba(255,255,255,.035);
  border:1px solid var(--line);
  border-radius:12px;
  color:var(--text);
  font-size:14.5px;
  padding:12px 14px;
  font-family:var(--font-cn);
  transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;
}
.form-control::placeholder{color:var(--text-3);}
.form-control:focus,.form-select:focus{
  background:rgba(255,255,255,.05);
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(18,214,180,.18);
  color:var(--text);
  outline:none;
}
.form-select option{background:var(--panel);color:var(--text);}
.form-note{font-size:12.5px;color:var(--text-3);}

/* ============ FOOTER ============ */
.site-footer{
  margin-top:24px;
  border-top:1px solid var(--line);
  background:rgba(10,17,29,.6);
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1fr;
  gap:40px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--text-3);max-width:340px;line-height:1.75;}
.footer-col h4{font-size:14px;color:var(--text);margin-bottom:16px;letter-spacing:.04em;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a,.footer-col span{font-size:14px;color:var(--text-3);}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-family:var(--font-mono);
  font-size:12.5px;
  color:var(--text-3);
}

@media (hover:none){
  .scene-card:hover,.combo-card:hover{transform:none;box-shadow:var(--shadow-card);}
  .step-item:hover{transform:none;}
}

@media (min-width:1400px){
  :root{--sec:104px;}
}
@media (max-width:1199px){
  h1.hero-title{font-size:38px;}
  .scene-grid{grid-template-columns:repeat(2,1fr);}
  .combo-grid{grid-template-columns:1fr;gap:26px;}
  .combo-card.featured{transform:none;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:991px){
  .nav-toggle{display:flex;}
  .nav-links{
    position:fixed;
    top:72px;left:0;right:0;
    display:none;
    grid-template-columns:1fr 1fr;
    gap:10px;
    padding:20px 24px 26px;
    background:rgba(8,13,22,.98);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    border-bottom:1px solid var(--line);
  }
  .nav-links.is-open{display:grid;}
  .nav-link{
    padding:12px 14px;
    border:1px solid var(--line);
    border-radius:12px;
    background:rgba(255,255,255,.03);
    text-align:center;
    font-size:14.5px;
  }
  .nav-link::after{display:none;}
  .nav-link.is-active{border-color:rgba(18,214,180,.45);color:var(--brand);background:rgba(18,214,180,.1);}
  .brand-text em{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .page-hero{padding:44px 0 56px;}
  .scene-grid{grid-template-columns:1fr;}
  .cta-grid{grid-template-columns:1fr;gap:28px;}
  .cta-band{padding:32px 24px;}
}
@media (max-width:767px){
  :root{--sec:72px;}
  .container{padding:0 18px;}
  h1.hero-title{font-size:32px;}
  .section-head h2,.cta-band h2{font-size:25px;}
  .page-top{padding-top:112px;}
  .hero-actions .btn{width:100%;}
  .hero-metrics{gap:22px;}
  .step-item{grid-template-columns:64px 1fr;gap:16px;padding:18px;}
  .form-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .accordion-body{padding:0 22px 20px 22px;}
}
@media (max-width:575px){
  :root{--sec:56px;}
  body{font-size:15.5px;}
  h1.hero-title{font-size:28px;}
  .section-head h2{font-size:22px;}
  .btn{height:44px;}
  .btn-lg{height:48px;padding:0 22px;}
  .nav-actions .btn-ghost{display:none;}
  .brand-text strong{font-size:15px;}
  .scene-body{padding:18px;}
  .cta-band h2{font-size:21px;}
}