/* roulang page: index */
:root{
  --bg:#070B14;
  --bg-soft:#0B111D;
  --surface:#0E1626;
  --surface-2:#12203A;
  --text:#F2F6FA;
  --muted:#9AA8BC;
  --weak:#67748A;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --brand:#2FE3C8;
  --brand-hover:#55EBD6;
  --brand-active:#1CBCA6;
  --accent:#FFB454;
  --light-bg:#F4F6F8;
  --light-text:#10151F;
  --light-muted:#4A5566;
  --light-line:rgba(16,21,31,.10);
  --radius-card:18px;
  --radius-img:14px;
  --radius-input:12px;
  --radius-badge:8px;
  --shadow:0 20px 60px rgba(0,0,0,.45);
  --glow:0 10px 30px rgba(47,227,200,.28);
  --glow-strong:0 14px 38px rgba(47,227,200,.38);
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:.22s;
}
*,*::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:"Noto Sans SC","Space Grotesk",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-feature-settings:"tnum" 1,"ss01" 1;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease),opacity var(--dur) var(--ease);}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 1.1em;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.5px;line-height:1.25;}
h1{font-size:clamp(30px,4.4vw,54px);line-height:1.15;font-weight:900;}
h2{font-size:clamp(24px,3vw,36px);}
h3{font-size:20px;}
::selection{background:rgba(47,227,200,.28);color:#fff;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
  border-radius:6px;
}
.container{width:100%;padding-right:20px;padding-left:20px;margin-right:auto;margin-left:auto;max-width:100%;}
@media (min-width:576px){.container{max-width:100%;}}
@media (min-width:768px){.container{max-width:720px;}}
@media (min-width:992px){.container{max-width:960px;}}
@media (min-width:1200px){.container{max-width:1140px;}}
@media (min-width:1400px){.container{max-width:1240px;}}
.section{padding:96px 0;position:relative;}
.section-tight{padding:72px 0;}
.bg-soft{background:var(--bg-soft);}
.bg-surface{background:var(--surface);}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:40px;}
.section-head .eyebrow{font-size:12px;letter-spacing:2px;color:var(--brand);text-transform:uppercase;margin-bottom:10px;display:block;font-weight:600;}
.section-head p{color:var(--muted);margin:12px 0 0;max-width:640px;font-size:15px;}
.link-arrow{display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-size:14px;font-weight:500;}
.link-arrow i{font-size:12px;transition:transform var(--dur) var(--ease);}
.link-arrow:hover i{transform:translateX(4px);}

/* ---------- 顶部公告条 + 导航 ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1040;}
.topbar{
  height:36px;
  background:#050810;
  border-bottom:1px solid var(--line);
  font-size:12px;
  color:var(--weak);
  transition:height var(--dur) var(--ease),opacity var(--dur) var(--ease);
  overflow:hidden;
}
.topbar-inner{height:36px;display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar-left{display:flex;align-items:center;gap:8px;min-width:0;}
.topbar-left i{color:var(--brand);}
.ticker{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-right{display:flex;align-items:center;gap:12px;white-space:nowrap;}
.topbar-right a:hover{color:var(--brand);}
.topbar-right .vline{width:1px;height:12px;background:var(--line);display:inline-block;}
.main-nav{
  height:72px;
  display:flex;align-items:center;
  background:rgba(7,11,20,.72);
  border-bottom:1px solid var(--line);
  transition:height var(--dur) var(--ease),background var(--dur) var(--ease),box-shadow var(--dur) var(--ease),backdrop-filter var(--dur) var(--ease);
}
.site-header.scrolled .topbar{height:0;opacity:0;}
.site-header.scrolled .main-nav{
  height:60px;
  background:rgba(11,17,29,.72);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:0 12px 34px rgba(0,0,0,.35);
  border-bottom-color:rgba(255,255,255,.10);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;width:100%;}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:900;font-size:17px;letter-spacing:.6px;color:var(--text);}
.brand-dot{width:10px;height:10px;border-radius:50%;background:var(--brand);box-shadow:0 0 12px rgba(47,227,200,.85);flex:0 0 auto;}
.brand-text{white-space:nowrap;}
.nav-list{display:flex;align-items:center;gap:32px;margin:0;}
.nav-list li a{position:relative;display:inline-block;padding:6px 0;font-size:15px;color:var(--muted);}
.nav-list li a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--brand);
  transform:scaleX(0);transform-origin:left;transition:transform var(--dur) var(--ease);border-radius:2px;
}
.nav-list li a:hover{color:var(--text);}
.nav-list li a:hover::after{transform:scaleX(1);}
.nav-list li a.active{color:var(--text);font-weight:500;}
.nav-list li a.active::after{transform:scaleX(1);}
.nav-list li a.active::before{
  content:"";position:absolute;right:-9px;top:0;width:3px;height:3px;border-radius:50%;
  background:var(--brand);box-shadow:0 0 8px rgba(47,227,200,.9);
}
.nav-right{display:flex;align-items:center;gap:14px;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line-strong);color:var(--muted);background:transparent;transition:all var(--dur) var(--ease);
}
.icon-btn:hover{color:var(--brand);border-color:rgba(47,227,200,.5);}
.nav-toggle{
  width:42px;height:42px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line-strong);background:transparent;color:var(--text);
}
.nav-toggle:hover{color:var(--brand);border-color:rgba(47,227,200,.5);}

/* ---------- 按钮 ---------- */
.btn-glow,.btn-ghost,.btn-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;
  font-weight:700;font-size:15px;letter-spacing:.4px;border-radius:999px;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),filter var(--dur) var(--ease),background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.btn-glow{padding:14px 30px;background:linear-gradient(135deg,#2FE3C8,#7CF0DE);color:#06231E;box-shadow:var(--glow);}
.btn-glow:hover{color:#06231E;transform:translateY(-1px);filter:brightness(1.06);box-shadow:var(--glow-strong);}
.btn-glow:active{transform:translateY(0);background:var(--brand-active);box-shadow:0 6px 18px rgba(47,227,200,.24);}
.btn-ghost{padding:13px 28px;background:transparent;border:1px solid rgba(255,255,255,.18);color:var(--text);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-cta{padding:10px 22px;background:rgba(47,227,200,.10);border:1px solid rgba(47,227,200,.32);color:var(--brand);font-size:14px;}
.btn-cta:hover{background:var(--brand);color:#06231E;border-color:var(--brand);box-shadow:var(--glow);}
.btn-glow[disabled],.btn-ghost[disabled],.btn-cta[disabled]{filter:saturate(.4);opacity:.6;cursor:not-allowed;transform:none;}
.btn-glow.small,.btn-ghost.small{padding:10px 20px;font-size:14px;}

/* ---------- Hero ---------- */
.hero{padding:150px 0 88px;position:relative;overflow:hidden;background:
  radial-gradient(1000px 520px at 82% -10%,rgba(47,227,200,.14),transparent 62%),
  radial-gradient(760px 420px at 4% 16%,rgba(255,180,84,.07),transparent 60%),
  var(--bg);}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,transparent,rgba(47,227,200,.35),transparent);
}
.hero-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:48px;align-items:center;}
.hero-copy{grid-column:span 6;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;
  background:rgba(47,227,200,.10);border:1px solid rgba(47,227,200,.28);color:var(--brand);
  font-size:13px;font-weight:500;margin-bottom:24px;
}
.hero h1{margin-bottom:22px;}
.hero h1 .hl{color:var(--brand);}
.hero-sub{color:var(--muted);font-size:16px;line-height:1.85;max-width:560px;margin-bottom:16px;}
.hero-line{width:64px;height:3px;background:var(--brand);border-radius:3px;box-shadow:0 0 16px rgba(47,227,200,.6);margin:0 0 28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px;}
.hero-metrics{display:flex;flex-wrap:wrap;gap:36px;}
.metric .num{font-size:22px;font-weight:700;color:var(--text);font-variant-numeric:tabular-nums;letter-spacing:.5px;}
.metric .num span{color:var(--brand);font-size:16px;margin-left:2px;}
.metric .lab{font-size:12px;color:var(--weak);letter-spacing:1px;margin-top:2px;}
.hero-visual{grid-column:span 6;position:relative;}
.hero-img-wrap{
  position:relative;border-radius:var(--radius-card);overflow:hidden;
  border:1px solid rgba(255,255,255,.10);box-shadow:var(--shadow);
  aspect-ratio:16/11;background:var(--surface);
}
.hero-img-wrap img{width:100%;height:100%;object-fit:cover;}
.hero-img-wrap::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,11,20,.05),rgba(7,11,20,.55));
}
.glass-card{
  position:absolute;border-radius:16px;padding:16px 18px;
  background:rgba(20,30,50,.55);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border:1px solid rgba(255,255,255,.10);
  box-shadow:0 18px 40px rgba(0,0,0,.45),inset 0 1px 0 rgba(255,255,255,.06);
}
.glass-card .gc-lab{font-size:12px;color:var(--muted);letter-spacing:.5px;}
.glass-card .gc-val{font-size:18px;font-weight:700;color:var(--text);font-variant-numeric:tabular-nums;}
.glass-card .gc-val i{color:var(--brand);font-size:14px;margin-right:6px;}
.gc-1{left:-18px;bottom:56px;}
.gc-2{right:-12px;top:48px;border-color:rgba(47,227,200,.35);box-shadow:0 0 0 1px rgba(47,227,200,.16),0 18px 40px rgba(0,0,0,.5);}
.gc-2 .gc-val{color:var(--brand);}
@media (max-width:991px){
  .hero{padding:128px 0 64px;}
  .hero-copy,.hero-visual{grid-column:span 12;}
  .hero-visual{order:2;min-height:320px;}
  .gc-1{left:8px;bottom:12px;}
  .gc-2{right:8px;top:12px;}
}

/* ---------- 微指标条 ---------- */
.keyword-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.kw-pill{
  font-size:13px;color:var(--muted);padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
}
.kw-pill i{color:var(--brand);margin-right:6px;font-size:11px;}

/* ---------- 功能卡网格 1+2 ---------- */
.grid-feature{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.card-feature{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.card-feature:hover{transform:translateY(-2px);border-color:rgba(47,227,200,.35);box-shadow:0 24px 60px rgba(0,0,0,.5);}
.card-feature:hover .cf-img img{transform:scale(1.03);}
.cf-img{overflow:hidden;background:var(--surface-2);position:relative;}
.cf-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.cf-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.cf-body h3{font-size:20px;}
.cf-body p{color:var(--muted);font-size:14px;line-height:1.7;margin:0;}
.cf-meta{display:flex;flex-wrap:wrap;gap:16px;font-size:12px;color:var(--weak);font-variant-numeric:tabular-nums;}
.cf-meta i{color:var(--brand);margin-right:5px;font-size:11px;}
.cf-foot{margin-top:auto;padding-top:16px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;}
.cf-price{color:var(--accent);font-size:14px;font-weight:700;letter-spacing:.4px;}
.badge-tag{
  position:absolute;top:14px;left:14px;z-index:2;font-size:12px;padding:4px 10px;border-radius:var(--radius-badge);
  background:rgba(255,180,84,.14);color:var(--accent);border:1px solid rgba(255,180,84,.24);letter-spacing:.5px;
}
.badge-tag.new{background:rgba(47,227,200,.12);color:var(--brand);border-color:rgba(47,227,200,.28);}
.big{grid-column:span 6;grid-row:span 1;}
.small{grid-column:span 3;}
.row2{grid-column:span 4;}
.big .cf-img{aspect-ratio:16/9;}
.small .cf-img{aspect-ratio:4/3;}
.row2 .cf-img{aspect-ratio:16/10;}
.offset-up{transform:translateY(-16px);}
.offset-up:hover{transform:translateY(-18px);}
.offset-down{transform:translateY(14px);}
.offset-down:hover{transform:translateY(12px);}
@media (max-width:1199.98px){
  .big{grid-column:span 12;}
  .small{grid-column:span 6;}
  .row2{grid-column:span 6;}
}
@media (max-width:767.98px){
  .grid-feature{gap:20px;}
  .small,.row2{grid-column:span 12;}
  .offset-up,.offset-down{transform:none;}
  .small .cf-img{aspect-ratio:16/10;}
}

/* ---------- 反白保障条 ---------- */
.light-band{background:var(--light-bg);color:var(--light-text);}
.light-band .section-head p{color:var(--light-muted);}
.light-band .eyebrow{color:#0C8F7B;}
.guard-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.guard-item{padding:8px 28px;border-left:1px solid var(--light-line);}
.guard-item:first-child{border-left:0;padding-left:0;}
.guard-item i{font-size:24px;color:#0C8F7B;margin-bottom:14px;display:block;}
.guard-item h3{font-size:18px;color:var(--light-text);margin-bottom:8px;}
.guard-item p{font-size:14px;line-height:1.7;color:var(--light-muted);margin:0;}
@media (max-width:991.98px){
  .guard-grid{grid-template-columns:repeat(2,1fr);gap:0;}
  .guard-item{padding:24px 20px;border-left:1px solid var(--light-line);border-top:1px solid var(--light-line);}
  .guard-item:nth-child(odd){border-left:0;padding-left:0;}
  .guard-item:nth-child(1),.guard-item:nth-child(2){border-top:0;}
}
@media (max-width:575.98px){
  .guard-grid{grid-template-columns:1fr;}
  .guard-item{border-left:0;padding-left:0;padding-right:0;}
}

/* ---------- 评价轮播 ---------- */
.review-card{
  height:100%;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px;display:flex;flex-direction:column;gap:18px;
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.review-card:hover{transform:translateY(-2px);border-color:rgba(47,227,200,.30);}
.review-quote{font-size:34px;line-height:1;color:rgba(47,227,200,.55);font-family:"Space Grotesk",serif;font-weight:700;}
.review-text{font-size:15px;line-height:1.8;color:var(--muted);display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden;margin:0;}
.review-user{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:18px;border-top:1px solid var(--line);}
.avatar{
  width:44px;height:44px;border-radius:50%;flex:0 0 auto;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(47,227,200,.28),rgba(47,227,200,.06));
  border:1px solid rgba(47,227,200,.28);color:var(--brand);font-weight:700;font-size:15px;
}
.review-user .nick{font-size:14px;color:var(--text);font-weight:500;}
.stars{color:var(--accent);font-size:12px;letter-spacing:2px;}
.carousel-indicators.custom-ind{position:static;margin:32px 0 0;gap:10px;}
.carousel-indicators.custom-ind [data-bs-target]{
  width:34px;height:3px;border-radius:3px;background:rgba(255,255,255,.18);border:0;opacity:1;margin:0;
  transition:background var(--dur) var(--ease),width var(--dur) var(--ease);
}
.carousel-indicators.custom-ind .active{background:var(--brand);width:52px;}
.carousel-ctrl{
  width:40px;height:40px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(20,30,50,.55);backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.10);
  color:var(--muted);transition:all var(--dur) var(--ease);
}
.carousel-ctrl:hover{color:var(--brand);border-color:rgba(47,227,200,.4);}
.carousel-controls{display:flex;gap:12px;}
.review-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px;}

/* ---------- CTA 条 ---------- */
.cta-band{
  position:relative;border-radius:24px;padding:44px;overflow:hidden;
  background:rgba(20,30,50,.55);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border:1px solid rgba(255,255,255,.10);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06),0 26px 70px rgba(0,0,0,.45);
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;right:-60px;top:-70px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,227,200,.22),transparent 65%);
}
.cta-copy{position:relative;max-width:600px;}
.cta-copy h3{font-size:clamp(20px,2.4vw,28px);margin-bottom:10px;}
.cta-copy p{color:var(--muted);margin:0;font-size:15px;}
.cta-right{position:relative;display:flex;align-items:center;gap:22px;flex-wrap:wrap;}
.qr-box{
  width:96px;height:96px;border-radius:12px;overflow:hidden;border:1px solid rgba(255,255,255,.14);
  background:var(--surface);flex:0 0 auto;
}
.qr-box img{width:100%;height:100%;object-fit:cover;}
.qr-cap{font-size:12px;color:var(--weak);text-align:center;margin-top:8px;}
@media (max-width:767.98px){
  .cta-band{padding:28px 22px;}
  .cta-right{width:100%;justify-content:space-between;}
}

/* ---------- 资讯列表（CMS 区） ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;gap:14px;padding:24px;border-radius:var(--radius-card);
  background:var(--bg-soft);border:1px solid var(--line);height:100%;
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.news-card:hover{transform:translateY(-2px);border-color:rgba(47,227,200,.35);background:var(--surface);}
.news-thumb{width:64px;height:64px;border-radius:14px;overflow:hidden;border:1px solid var(--line);flex:0 0 auto;}
.news-thumb i{display:flex;width:100%;height:100%;align-items:center;justify-content:center;color:var(--brand);font-size:22px;background:rgba(47,227,200,.08);}
.news-card h3{font-size:18px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card .excerpt{font-size:14px;line-height:1.7;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin:0;}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:16px;border-top:1px solid var(--line);font-size:12px;color:var(--weak);}
.pill{
  display:inline-flex;align-items:center;padding:3px 12px;border-radius:999px;font-size:12px;
  background:rgba(47,227,200,.10);color:var(--brand);border:1px solid rgba(47,227,200,.24);
}
.news-foot .go{color:var(--brand);font-size:13px;}
.news-foot .go i{transition:transform var(--dur) var(--ease);}
.news-card:hover .news-foot .go i{transform:translateX(4px);}
.empty-state{
  grid-column:1/-1;text-align:center;padding:64px 24px;border:1px dashed var(--line-strong);border-radius:var(--radius-card);
  background:rgba(255,255,255,.02);
}
.empty-state i{font-size:48px;color:rgba(47,227,200,.5);display:block;margin-bottom:18px;}
.empty-state p{color:var(--muted);margin-bottom:14px;}
@media (max-width:991.98px){.news-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:575.98px){.news-grid{grid-template-columns:1fr;}}

/* ---------- FAQ ---------- */
.faq-side h2{margin-bottom:16px;}
.faq-side p{color:var(--muted);font-size:15px;}
.accordion-flush-custom .accordion-item{
  background:transparent;border:0;border-bottom:1px solid var(--line);
}
.accordion-flush-custom .accordion-item:first-child{border-top:1px solid var(--line);}
.accordion-flush-custom .accordion-button{
  background:transparent;color:var(--text);font-size:16px;font-weight:500;padding:22px 4px;
  box-shadow:none;border:0;line-height:1.6;
}
.accordion-flush-custom .accordion-button:not(.collapsed){color:var(--brand);background:transparent;box-shadow:none;}
.accordion-flush-custom .accordion-button::after{
  background-image:none;content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;
  color:var(--weak);width:auto;height:auto;transition:transform var(--dur) var(--ease),color var(--dur) var(--ease);
}
.accordion-flush-custom .accordion-button:not(.collapsed)::after{transform:rotate(180deg);color:var(--brand);}
.accordion-flush-custom .accordion-button:focus{box-shadow:none;outline:none;}
.accordion-flush-custom .accordion-button:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.accordion-flush-custom .accordion-body{padding:0 40px 24px 4px;font-size:15px;line-height:1.8;color:var(--muted);}
.accordion-flush-custom .accordion-collapse{transition:height .22s var(--ease);}

/* ---------- 咨询表单 ---------- */
.form-panel{
  background:var(--bg-soft);border:1px solid var(--line);border-radius:24px;padding:40px;
}
.form-panel label{display:block;font-size:13px;color:var(--muted);margin-bottom:8px;letter-spacing:.4px;}
.form-panel .form-control{
  width:100%;background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:var(--radius-input);
  color:var(--text);padding:13px 16px;font-size:15px;transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.form-panel .form-control::placeholder{color:var(--weak);}
.form-panel .form-control:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(47,227,200,.14);background:rgba(255,255,255,.06);
}
.form-panel .field{margin-bottom:20px;}
.form-note{font-size:12px;color:var(--weak);margin:14px 0 0;}
.form-hint{font-size:12px;color:var(--weak);}
.form-error{font-size:12px;color:#FF6B6B;margin-top:6px;display:none;}
.field.has-error .form-control{border-color:#FF6B6B;}
.field.has-error .form-error{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{background:#050810;border-top:1px solid var(--line);padding:72px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:0;}
.footer-col{padding:0 32px;border-left:1px solid var(--line);}
.footer-col:first-child{border-left:0;padding-left:0;}
.footer-col h3{font-size:15px;color:var(--text);margin-bottom:20px;letter-spacing:.6px;}
.footer-col p{font-size:13px;color:var(--weak);line-height:1.8;}
.footer-links li{margin-bottom:12px;}
.footer-links a{font-size:13px;color:var(--muted);}
.footer-links a:hover{color:var(--brand);}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-weight:900;font-size:16px;margin-bottom:16px;color:var(--text);}
.footer-qr{width:96px;height:96px;border-radius:12px;overflow:hidden;border:1px solid var(--line);margin-bottom:16px;}
.footer-qr img{width:100%;height:100%;object-fit:cover;}
.footer-social{display:flex;gap:12px;margin-top:18px;}
.footer-social a{
  width:38px;height:38px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--muted);font-size:14px;
}
.footer-social a:hover{color:var(--brand);border-color:rgba(47,227,200,.4);}
.footer-bottom{
  margin-top:56px;border-top:1px solid var(--line);padding:22px 0;display:flex;flex-wrap:wrap;
  align-items:center;justify-content:space-between;gap:14px;font-size:12px;color:var(--weak);
}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:18px;}
.footer-bottom a:hover{color:var(--brand);}
@media (max-width:991.98px){
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:40px 0;}
  .footer-col{padding:0 20px;}
  .footer-col:nth-child(odd){border-left:0;padding-left:0;}
}
@media (max-width:575.98px){
  .footer-grid{grid-template-columns:1fr;gap:36px;}
  .footer-col{border-left:0;padding:0;}
}

/* ---------- 移动端抽屉 ---------- */
.offcanvas.offcanvas-start.mobile-drawer{
  background:var(--bg-soft);color:var(--text);width:300px;border-right:1px solid var(--line);
}
.mobile-drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 22px;}
.mobile-drawer .btn-close{filter:invert(1) grayscale(1);opacity:.6;}
.mobile-drawer .offcanvas-body{padding:22px;display:flex;flex-direction:column;gap:4px;}
.mobile-drawer .drawer-link{
  font-size:17px;font-weight:500;color:var(--muted);padding:14px 4px;border-bottom:1px solid var(--line);display:block;
}
.mobile-drawer .drawer-link.active{color:var(--brand);}
.mobile-drawer .drawer-foot{margin-top:auto;padding-top:24px;}
.offcanvas-backdrop.show{background:rgba(4,7,12,.72);opacity:1;}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}
.skeleton{
  background:linear-gradient(90deg,rgba(255,255,255,.04),rgba(255,255,255,.10),rgba(255,255,255,.04));
  background-size:200% 100%;animation:shimmer 1.2s infinite linear;border-radius:8px;
}
@keyframes shimmer{0%{background-position:200% 0;}100%{background-position:-200% 0;}}
@media (max-width:991.98px){.section{padding:72px 0;}.section-tight{padding:56px 0;}}
@media (max-width:575.98px){.section{padding:56px 0;}.form-panel{padding:24px 18px;}}

/* roulang page: article */
:root{
  --bg:#070B14;
  --bg-soft:#0B111D;
  --surface:#0E1626;
  --surface-2:rgba(20,30,50,.55);
  --text:#F2F6FA;
  --text-2:#9AA8BC;
  --muted:#67748A;
  --line:rgba(255,255,255,.08);
  --brand:#2FE3C8;
  --brand-hover:#55EBD6;
  --brand-active:#1CBCA6;
  --accent:#FFB454;
  --light-bg:#F4F6F8;
  --light-text:#10151F;
  --light-text-2:#4A5566;
  --light-line:rgba(16,21,31,.10);
  --radius-card:18px;
  --radius-img:14px;
  --radius-pill:999px;
  --radius-input:12px;
  --radius-badge:8px;
  --shadow-card:0 20px 60px rgba(0,0,0,.45);
  --glow:0 10px 30px rgba(47,227,200,.28);
  --shadow-nav:0 10px 30px rgba(0,0,0,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:220ms;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Inter,system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-feature-settings:"tnum" 1;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease)}
a:hover{color:var(--brand)}
img{max-width:100%;height:auto;display:block}
button,input,textarea{font:inherit;color:inherit}
ul,ol{padding-left:1.2em}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
::selection{background:rgba(47,227,200,.28);color:#fff}

.container{width:100%;padding-inline:20px;margin-inline:auto}
@media (min-width:1200px){.container{max-width:1140px}}
@media (min-width:1400px){.container{max-width:1240px}}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:1040}
.topbar{
  height:36px;
  background:#050810;
  border-bottom:1px solid var(--line);
  font-size:12px;
  color:var(--muted);
}
.topbar-inner{height:36px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-left{display:flex;align-items:center;gap:8px;min-width:0}
.topbar-left i{color:var(--brand);font-size:11px}
.ticker{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:62vw}
.topbar-right{display:flex;align-items:center;gap:12px;flex-shrink:0}
.topbar-right a{color:var(--text-2);font-size:12px}
.topbar-right a:hover{color:var(--brand)}
.vline{width:1px;height:12px;background:var(--line);display:inline-block}

.main-nav{
  background:rgba(7,11,20,.92);
  border-bottom:1px solid var(--line);
  transition:background var(--dur) var(--ease),box-shadow var(--dur) var(--ease),backdrop-filter var(--dur) var(--ease);
}
.site-header.is-scrolled .main-nav{
  background:var(--surface-2);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-nav),inset 0 1px 0 rgba(255,255,255,.06);
}
.nav-inner{
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  transition:height var(--dur) var(--ease);
}
.site-header.is-scrolled .nav-inner{height:60px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-dot{
  width:10px;height:10px;border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 0 4px rgba(47,227,200,.14),0 0 18px rgba(47,227,200,.6);
}
.brand-text{font-size:18px;font-weight:700;letter-spacing:.5px;color:var(--text);white-space:nowrap}
.nav-list{list-style:none;margin:0;padding:0;align-items:center;gap:30px}
.nav-list a{
  position:relative;
  display:inline-block;
  padding:6px 0;
  font-size:15px;
  color:var(--text-2);
  letter-spacing:.2px;
}
.nav-list a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform var(--dur) var(--ease);
}
.nav-list a:hover{color:var(--text)}
.nav-list a:hover::after{transform:scaleX(1)}
.nav-list a.active{color:var(--text);font-weight:500}
.nav-list a.active::after{transform:scaleX(1)}
.nav-list a.active::before{
  content:"";position:absolute;right:-10px;bottom:-1px;width:3px;height:3px;
  border-radius:50%;background:var(--brand);
}
.nav-right{display:flex;align-items:center;gap:14px}
.btn-cta{
  display:inline-flex;align-items:center;gap:8px;
  height:38px;padding:0 20px;
  border-radius:var(--radius-pill);
  background:linear-gradient(135deg,var(--brand),var(--brand-hover));
  color:#06231F;font-size:14px;font-weight:700;
  box-shadow:var(--glow);
  transition:transform var(--dur) var(--ease),filter var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.btn-cta:hover{color:#06231F;transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 14px 38px rgba(47,227,200,.36)}
.btn-cta:active{transform:translateY(0);background:var(--brand-active)}
.icon-btn{
  width:38px;height:38px;border-radius:50%;
  align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--text-2);
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.icon-btn:hover{color:var(--brand);border-color:rgba(47,227,200,.5)}
.nav-toggle{
  width:40px;height:40px;border-radius:12px;
  background:transparent;border:1px solid var(--line);
  color:var(--text);display:inline-flex;align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:rgba(47,227,200,.5);color:var(--brand)}

/* offcanvas */
.offcanvas.dark-drawer{background:#080D18;color:var(--text);width:308px;border-right:1px solid var(--line)}
.dark-drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 22px}
.dark-drawer .drawer-list{list-style:none;margin:0;padding:18px 22px}
.dark-drawer .drawer-list li{border-bottom:1px solid var(--line)}
.dark-drawer .drawer-list a{display:block;padding:16px 0;font-size:17px;color:var(--text);font-weight:500}
.dark-drawer .drawer-list a:hover{color:var(--brand)}
.drawer-foot{padding:18px 22px 28px}
.offcanvas-backdrop.show{background:rgba(4,7,12,.72);opacity:1}

/* ---------- buttons ---------- */
.btn-main,.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;
  transition:transform var(--dur) var(--ease),filter var(--dur) var(--ease),border-color var(--dur) var(--ease),color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.btn-main{background:linear-gradient(135deg,var(--brand),var(--brand-hover));color:#06231F;box-shadow:var(--glow)}
.btn-main:hover{color:#06231F;transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 16px 40px rgba(47,227,200,.36)}
.btn-main:active{transform:translateY(0);background:var(--brand-active)}
.btn-ghost{border:1px solid rgba(255,255,255,.24);color:var(--text);background:transparent}
.btn-ghost:hover{color:var(--brand);border-color:rgba(47,227,200,.6);transform:translateY(-1px)}
.btn-link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:14px;font-weight:600}
.btn-link-arrow i{font-size:12px;transition:transform var(--dur) var(--ease)}
.btn-link-arrow:hover i{transform:translateX(4px)}

/* ---------- article ---------- */
.article-head{padding:44px 0 8px;background:
  radial-gradient(1000px 400px at 12% -10%,rgba(47,227,200,.10),transparent 60%),
  radial-gradient(700px 320px at 90% 0%,rgba(255,180,84,.06),transparent 60%);
  border-bottom:1px solid var(--line);
}
.article-head-inner{max-width:820px;margin-inline:auto}
.breadcrumb-line{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:12px;color:var(--muted);margin-bottom:18px;
}
.breadcrumb-line a{color:var(--muted)}
.breadcrumb-line a:hover{color:var(--brand)}
.breadcrumb-line span.sep{width:1px;height:11px;background:var(--line);display:inline-block}
.cat-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:var(--radius-pill);
  background:rgba(47,227,200,.10);border:1px solid rgba(47,227,200,.26);
  color:var(--brand);font-size:12px;font-weight:600;letter-spacing:.4px;
}
.article-title{
  margin:18px 0 16px;
  font-size:clamp(28px,3.8vw,42px);
  line-height:1.26;
  font-weight:800;
  letter-spacing:.5px;
  color:var(--text);
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13px;color:var(--muted);
}
.article-meta .sep{width:1px;height:11px;background:var(--line);display:inline-block}

.article-wrap{max-width:820px;margin-inline:auto;padding:40px 0 0}
.article-cover{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:var(--radius-img);
  border:1px solid var(--line);
  margin-bottom:36px;
  background:var(--surface);
}
.article-body{font-size:16px;line-height:1.9;color:#DCE5F0;letter-spacing:0;text-align:left}
.article-body p{margin:0 0 1.4em}
.article-body h2{
  position:relative;
  margin:40px 0 18px;
  padding-left:16px;
  font-size:clamp(22px,2.6vw,28px);
  line-height:1.4;
  font-weight:700;
  color:var(--text);
  letter-spacing:.4px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.34em;
  width:3px;height:18px;border-radius:2px;background:var(--brand);
}
.article-body h3{margin:32px 0 14px;font-size:20px;line-height:1.5;font-weight:700;color:var(--text)}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(47,227,200,.35)}
.article-body a:hover{border-bottom-color:var(--brand)}
.article-body blockquote{
  margin:26px 0;padding:20px 22px;
  border-left:2px solid var(--brand);
  background:rgba(20,30,50,.55);
  border-radius:0 var(--radius-img) var(--radius-img) 0;
  color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:26px 0 8px}
.article-body figcaption,.article-body .caption{margin:0 0 24px;text-align:center;font-size:13px;color:var(--muted)}
.article-body ul,.article-body ol{margin:0 0 1.4em;line-height:1.9}
.article-body li{margin-bottom:.5em}
.article-body ul li::marker{color:var(--brand)}
.article-body ol li::marker{color:var(--brand);font-weight:700}
.article-body table{width:100%;display:block;overflow-x:auto;border-collapse:collapse;margin:24px 0;font-size:14px}
.article-body th,.article-body td{padding:12px 16px;border:1px solid var(--line);text-align:left;white-space:nowrap}
.article-body th{background:rgba(47,227,200,.08);color:var(--brand);font-weight:600}
.article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0}
.article-body code{background:rgba(255,255,255,.06);padding:2px 6px;border-radius:6px;font-size:14px}
.article-body strong{color:#fff}

.article-foot{
  max-width:820px;margin:36px auto 0;padding-top:24px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
}
.tag-list{display:flex;flex-wrap:wrap;gap:8px}
.tag-item{
  display:inline-flex;align-items:center;
  padding:5px 13px;border-radius:var(--radius-badge);
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  font-size:12px;color:var(--text-2);
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.tag-item:hover{color:var(--brand);border-color:rgba(47,227,200,.4)}
.share-row{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted)}
.share-row button{
  width:36px;height:36px;border-radius:50%;
  background:transparent;border:1px solid var(--line);color:var(--text-2);
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.share-row button:hover{color:var(--brand);border-color:rgba(47,227,200,.5);transform:translateY(-2px)}

.empty-state{
  max-width:820px;margin:40px auto;padding:60px 24px;
  text-align:center;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-card);
}
.empty-state i{font-size:48px;color:var(--brand);margin-bottom:16px;display:block}
.empty-state p{color:var(--text-2);margin:0 0 20px}

.back-line{max-width:820px;margin:28px auto 0}
.back-line a{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--text-2)}
.back-line a:hover{color:var(--brand)}
.back-line a i{transition:transform var(--dur) var(--ease)}
.back-line a:hover i{transform:translateX(-4px)}

/* ---------- section ---------- */
section.band{padding:96px 0;border-top:1px solid var(--line)}
@media (max-width:991.98px){section.band{padding:72px 0}}
@media (max-width:767.98px){section.band{padding:56px 0}}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:36px}
.sec-head h2{margin:0 0 8px;font-size:clamp(24px,3vw,34px);font-weight:800;letter-spacing:.5px;line-height:1.3}
.sec-head p{margin:0;color:var(--text-2);font-size:15px;max-width:640px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:2px;text-transform:uppercase;
  color:var(--brand);margin-bottom:12px;font-weight:600;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--brand)}

.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media (max-width:991.98px){.rel-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:575.98px){.rel-grid{grid-template-columns:1fr}}
.rel-card{
  display:flex;flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.rel-card:hover{transform:translateY(-2px);border-color:rgba(47,227,200,.35);box-shadow:var(--shadow-card)}
.rel-thumb{aspect-ratio:16/9;overflow:hidden;background:#0A101C}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--dur) var(--ease)}
.rel-card:hover .rel-thumb img{transform:scale(1.03)}
.rel-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.rel-body h3{margin:0 0 10px;font-size:18px;line-height:1.5;font-weight:600}
.rel-body p{margin:0 0 18px;font-size:14px;line-height:1.7;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.rel-meta{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:12px;color:var(--muted)}
.rel-meta .pill{
  padding:3px 10px;border-radius:var(--radius-pill);
  background:rgba(47,227,200,.10);color:var(--brand);border:1px solid rgba(47,227,200,.22);
}
.rel-meta .sep{width:1px;height:10px;background:var(--line);display:inline-block}
.badge-hot{
  display:inline-flex;align-items:center;gap:5px;
  padding:4px 10px;border-radius:var(--radius-badge);
  background:rgba(255,180,84,.14);color:var(--accent);
  font-size:12px;font-weight:600;
}

/* light band */
.band-light{background:var(--light-bg);color:var(--light-text);border-top:0}
.band-light .eyebrow{color:#0E8C7C}
.band-light .eyebrow::before{background:#0E8C7C}
.band-light .sec-head h2{color:var(--light-text)}
.band-light .sec-head p{color:var(--light-text-2)}
.guard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.guard-item{padding:0 20px;border-left:1px solid var(--light-line)}
.guard-item:first-child{border-left:0;padding-left:0}
.guard-item i{font-size:22px;color:#0E8C7C;margin-bottom:12px;display:block}
.guard-item h3{margin:0 0 8px;font-size:17px;font-weight:700;color:var(--light-text)}
.guard-item p{margin:0;font-size:14px;line-height:1.7;color:var(--light-text-2)}
@media (max-width:991.98px){
  .guard-grid{grid-template-columns:repeat(2,1fr);gap:32px 24px}
  .guard-item:nth-child(3){border-left:0;padding-left:0}
}
@media (max-width:575.98px){
  .guard-grid{grid-template-columns:1fr;gap:24px}
  .guard-item{border-left:0;border-top:1px solid var(--light-line);padding:20px 0 0}
  .guard-item:first-child{border-top:0;padding-top:0}
}

/* CTA band */
.cta-band{padding:96px 0}
@media (max-width:991.98px){.cta-band{padding:72px 0}}
@media (max-width:767.98px){.cta-band{padding:56px 0}}
.cta-glass{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
  padding:38px 40px;border-radius:var(--radius-card);
  background:var(--surface-2);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border:1px solid rgba(255,255,255,.10);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.06);
}
.cta-glass h2{margin:0 0 10px;font-size:clamp(22px,2.6vw,30px);font-weight:800;letter-spacing:.5px}
.cta-glass p{margin:0;color:var(--text-2);font-size:15px;max-width:560px}
.cta-right{display:flex;align-items:center;gap:22px}
.cta-right img{width:96px;height:96px;border-radius:12px;object-fit:cover;border:1px solid var(--line)}
@media (max-width:767.98px){
  .cta-glass{padding:26px 22px}
  .cta-right{width:100%;justify-content:flex-start}
}

/* form */
.field-label{display:block;font-size:13px;color:var(--text-2);margin-bottom:8px}
.field{
  width:100%;height:48px;padding:0 16px;border-radius:var(--radius-input);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  color:var(--text);
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
textarea.field{height:auto;padding:14px 16px;line-height:1.7}
.field::placeholder{color:#5C687C}
.field:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(47,227,200,.12)}
.field.is-error{border-color:#FF6B6B}
.field-hint{font-size:12px;color:#FF6B6B;margin-top:6px;display:none}
.field-hint.show{display:block}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.form-grid .full{grid-column:1 / -1}
@media (max-width:767.98px){.form-grid{grid-template-columns:1fr}}

/* faq */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;background:transparent;border:0;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 0;font-size:16px;font-weight:500;color:var(--text);cursor:pointer;
}
.faq-q:hover{color:var(--brand)}
.faq-q i{font-size:13px;color:var(--brand);transition:transform var(--dur) var(--ease)}
.faq-item.open .faq-q i{transform:rotate(90deg)}
.faq-a{display:none;padding:0 0 22px;font-size:15px;line-height:1.8;color:var(--text-2);max-width:820px}
.faq-item.open .faq-a{display:block}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .rel-card:hover,.btn-main:hover,.btn-cta:hover{transform:none}
}

/* footer */
.site-footer{background:#050810;border-top:1px solid var(--line);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:0}
.footer-col{padding:0 28px;border-left:1px solid var(--line)}
.footer-col:first-child{padding-left:0;border-left:0}
.footer-col:last-child{padding-right:0}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;margin-bottom:14px;color:var(--text)}
.footer-col p{font-size:13px;line-height:1.8;color:var(--muted);margin:0 0 16px;max-width:320px}
.footer-col h3{font-size:14px;font-weight:600;color:var(--text);margin:0 0 16px;letter-spacing:.4px}
.footer-links{list-style:none;margin:0;padding:0}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:13px;color:var(--muted)}
.footer-links a:hover{color:var(--brand)}
.footer-social{display:flex;gap:10px}
.footer-social a{
  width:34px;height:34px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--text-2);font-size:13px;
}
.footer-social a:hover{color:var(--brand);border-color:rgba(47,227,200,.45)}
.footer-qr img{width:96px;height:96px;border-radius:12px;border:1px solid var(--line);margin-bottom:12px}
.footer-bottom{
  margin-top:56px;padding:20px 0;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:12px;color:var(--muted);
}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom a{color:var(--muted)}
.footer-bottom a:hover{color:var(--brand)}
@media (max-width:991.98px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px 0}
  .footer-col{padding:0 20px}
  .footer-col:nth-child(3){padding-left:0;border-left:0}
  .footer-col:nth-child(1),.footer-col:nth-child(2){border-left:0}
}
@media (max-width:575.98px){
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-col{padding:0;border-left:0;border-top:1px solid var(--line);padding-top:24px}
  .footer-col:first-child{border-top:0;padding-top:0}
  .site-footer{padding-top:48px}
}

/* roulang page: category1 */
:root{
  --bg:#070B14;
  --bg-soft:#0B111D;
  --surface:#0E1626;
  --surface-2:#131D30;
  --light-band:#F4F6F8;
  --text:#F2F6FA;
  --muted:#9AA8BC;
  --faint:#67748A;
  --text-dark:#10151F;
  --muted-dark:#4A5566;
  --line:rgba(255,255,255,.08);
  --line-dark:rgba(16,21,31,.10);
  --brand:#2FE3C8;
  --brand-hover:#55EBD6;
  --brand-press:#1CBCA6;
  --accent:#FFB454;
  --radius-lg:18px;
  --radius-md:14px;
  --radius-sm:12px;
  --pill:999px;
  --shadow:0 20px 60px rgba(0,0,0,.45);
  --glow:0 10px 30px rgba(47,227,200,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:220ms;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(47,227,200,.10), transparent 62%),
    radial-gradient(760px 460px at 92% 4%, rgba(255,180,84,.06), transparent 60%);
  z-index:0;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease);}
a:hover{color:var(--brand);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.5px;line-height:1.25;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  padding-right:20px;
  padding-left:20px;
  margin-right:auto;
  margin-left:auto;
  position:relative;
  z-index:1;
}
@media (min-width:1200px){.container{max-width:1140px;}}
@media (min-width:1400px){.container{max-width:1240px;}}

/* ---------- 顶部公告条 ---------- */
.site-header{position:sticky;top:0;z-index:1030;}
.topbar{
  height:36px;
  background:rgba(255,255,255,.02);
  border-bottom:1px solid var(--line);
  font-size:12px;
  color:var(--faint);
}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:36px;gap:16px;}
.topbar-left{display:flex;align-items:center;gap:8px;min-width:0;}
.topbar-left i{color:var(--brand);font-size:11px;}
.ticker{
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:62vw;
  animation:tickerIn .8s var(--ease) both;
}
@keyframes tickerIn{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:none;}}
.topbar-right{display:flex;align-items:center;gap:12px;white-space:nowrap;}
.topbar-right a{color:var(--muted);}
.topbar-right a:hover{color:var(--brand);}
.vline{width:1px;height:12px;background:var(--line);display:inline-block;}

/* ---------- 主导航 ---------- */
.main-nav{
  height:72px;
  background:rgba(7,11,20,.72);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:height var(--dur) var(--ease), background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.site-header.is-scrolled .main-nav{
  height:60px;
  background:rgba(11,17,29,.80);
  box-shadow:0 12px 34px rgba(0,0,0,.35);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:100%;gap:20px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:18px;letter-spacing:.6px;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-dot{
  width:10px;height:10px;border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 0 4px rgba(47,227,200,.14), 0 0 18px rgba(47,227,200,.55);
  flex:0 0 auto;
}
.brand-text{white-space:nowrap;}
.nav-list{display:flex;align-items:center;gap:34px;margin:0;}
.nav-list a{
  position:relative;
  font-size:14.5px;
  color:var(--muted);
  padding:6px 0;
  display:inline-block;
}
.nav-list a::after{
  content:"";
  position:absolute;left:0;bottom:0;height:1px;width:100%;
  background:var(--brand);
  transform:scaleX(0);transform-origin:left;
  transition:transform var(--dur) var(--ease);
}
.nav-list a::before{
  content:"";
  position:absolute;left:50%;bottom:-7px;transform:translateX(-50%);
  width:3px;height:3px;border-radius:50%;background:var(--brand);
  opacity:0;transition:opacity var(--dur) var(--ease);
}
.nav-list a:hover{color:var(--text);}
.nav-list a:hover::after{transform:scaleX(1);}
.nav-list a.active{color:var(--text);}
.nav-list a.active::after{transform:scaleX(1);}
.nav-list a.active::before{opacity:1;}
.nav-right{display:flex;align-items:center;gap:12px;}
.btn-cta{
  display:inline-flex;align-items:center;gap:8px;
  height:38px;padding:0 20px;
  border-radius:var(--pill);
  background:linear-gradient(120deg,var(--brand),var(--brand-hover));
  color:#04211C;font-size:14px;font-weight:700;
  box-shadow:var(--glow);
  transition:transform var(--dur) var(--ease), filter var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.btn-cta:hover{color:#04211C;transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 14px 38px rgba(47,227,200,.34);}
.btn-cta:active{transform:translateY(0);}
.icon-btn{
  width:38px;height:38px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--muted);font-size:14px;
  transition:border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.icon-btn:hover{border-color:rgba(47,227,200,.5);color:var(--brand);}
.nav-toggle{
  width:40px;height:40px;border-radius:12px;
  background:transparent;border:1px solid var(--line);color:var(--text);font-size:16px;
}
.nav-toggle:hover{border-color:rgba(47,227,200,.5);color:var(--brand);}

/* ---------- 移动端抽屉 ---------- */
.mobile-nav{
  background:rgba(8,13,23,.98);
  color:var(--text);
  width:min(84vw,340px);
  border-right:1px solid var(--line);
}
.mobile-nav .offcanvas-header{border-bottom:1px solid var(--line);padding:20px;}
.mobile-nav .offcanvas-title{font-size:16px;font-weight:700;letter-spacing:.5px;}
.mobile-nav .btn-close{filter:invert(1) grayscale(1) brightness(1.8);opacity:.65;}
.mobile-nav .btn-close:hover{opacity:1;}
.mobile-nav .offcanvas-body{padding:20px;display:flex;flex-direction:column;gap:24px;}
.mobile-links{display:flex;flex-direction:column;gap:4px;}
.mobile-links a{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 4px;font-size:17px;font-weight:500;color:var(--muted);
  border-bottom:1px solid var(--line);
}
.mobile-links a.active{color:var(--brand);}
.mobile-links a i{font-size:12px;opacity:.5;}

/* ---------- 通用按钮 ---------- */
.btn-primary-solid,.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--pill);
  background:linear-gradient(120deg,var(--brand),var(--brand-hover));
  color:#04211C;font-weight:700;font-size:15px;border:0;
  box-shadow:var(--glow);
  transition:transform var(--dur) var(--ease), filter var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
  cursor:pointer;
}
.btn-primary:hover,.btn-primary-solid:hover{color:#04211C;transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 14px 38px rgba(47,227,200,.34);}
.btn-primary:active,.btn-primary-solid:active{transform:translateY(0);background:var(--brand-press);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--pill);
  background:transparent;border:1px solid rgba(255,255,255,.18);
  color:var(--text);font-weight:500;font-size:15px;
  transition:border-color var(--dur) var(--ease), color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--brand);font-weight:500;
}
.link-arrow i{font-size:12px;transition:transform var(--dur) var(--ease);}
.link-arrow:hover i{transform:translateX(4px);}
.link-arrow:hover{color:var(--brand-hover);}

/* ---------- 徽章 / 胶囊 ---------- */
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:8px;
  background:rgba(255,180,84,.14);color:var(--accent);
  font-size:12px;font-weight:700;letter-spacing:.4px;
}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--pill);
  background:rgba(47,227,200,.10);color:var(--brand);
  font-size:13px;font-weight:500;
}
.chip-line{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--pill);
  border:1px solid var(--line);color:var(--muted);font-size:13px;
}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  padding:72px 0 88px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.page-hero::after{
  content:"";
  position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(47,227,200,.35),transparent);
}
.crumb{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--faint);margin-bottom:20px;}
.crumb a{color:var(--muted);}
.crumb .sep{width:1px;height:11px;background:var(--line);display:inline-block;}
.crumb .now{color:var(--brand);}
.page-hero h1{
  font-size:clamp(30px,4.4vw,50px);
  line-height:1.15;
  letter-spacing:.8px;
  font-weight:900;
  margin-bottom:20px;
}
.page-hero h1 em{font-style:normal;color:var(--brand);}
.lede{color:var(--muted);font-size:16.5px;line-height:1.9;max-width:56ch;}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-facts{display:flex;gap:38px;flex-wrap:wrap;margin-top:38px;padding-top:26px;border-top:1px solid var(--line);}
.fact-num{font-size:22px;font-weight:900;letter-spacing:.5px;color:var(--text);font-variant-numeric:tabular-nums;}
.fact-label{font-size:12px;color:var(--faint);margin-top:2px;}
.hero-visual{
  position:relative;margin:0;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  aspect-ratio:16/11;
}
.hero-visual img{width:100%;height:100%;object-fit:cover;}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,11,20,.10) 0%,rgba(7,11,20,.72) 100%);
}
.glass-chip{
  position:absolute;left:18px;bottom:18px;right:18px;
  display:flex;align-items:center;gap:12px;
  padding:14px 16px;border-radius:var(--radius-md);
  background:rgba(20,30,50,.55);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border:1px solid rgba(255,255,255,.10);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  z-index:2;
  font-size:13px;color:var(--muted);
}
.glass-chip i{color:var(--brand);font-size:16px;}
.glass-chip strong{color:var(--text);font-weight:700;display:block;font-size:14px;}
.hero-glow{
  position:absolute;top:-40px;right:-30px;width:220px;height:220px;border-radius:50%;
  border:1px solid rgba(47,227,200,.35);
  box-shadow:0 0 60px rgba(47,227,200,.22) inset;
  pointer-events:none;z-index:1;
}

/* ---------- 板块通用 ---------- */
.section{padding:96px 0;position:relative;}
.section-soft{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-light{background:var(--light-band);color:var(--text-dark);}
.section-light .sec-desc{color:var(--muted-dark);}
.section-light .sec-eyebrow{color:#0E8F7C;}
.section-head{margin-bottom:48px;}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:2px;color:var(--brand);font-weight:700;text-transform:uppercase;
  margin-bottom:14px;
}
.sec-eyebrow::before{content:"";width:22px;height:1px;background:var(--brand);display:inline-block;opacity:.7;}
.sec-title{font-size:clamp(24px,3vw,36px);letter-spacing:.8px;line-height:1.25;}
.sec-desc{color:var(--muted);font-size:15.5px;margin-top:14px;max-width:64ch;}

/* ---------- 交错图文 ---------- */
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:52px 0;border-bottom:1px solid var(--line);}
.feature-row:last-child{border-bottom:0;}
.feature-media{
  border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);
  aspect-ratio:16/10;box-shadow:var(--shadow);position:relative;
  transition:border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms var(--ease);}
.feature-row:hover .feature-media{border-color:rgba(47,227,200,.35);transform:translateY(-2px);}
.feature-row:hover .feature-media img{transform:scale(1.03);}
.feature-index{
  font-size:13px;font-weight:900;letter-spacing:3px;color:var(--brand);
  font-variant-numeric:tabular-nums;display:inline-block;margin-bottom:14px;
}
.feature-body h3{font-size:22px;margin-bottom:14px;letter-spacing:.5px;}
.feature-body p{color:var(--muted);font-size:15.5px;}
.feature-list{margin-top:20px;display:flex;flex-direction:column;gap:10px;}
.feature-list li{display:flex;gap:10px;font-size:14.5px;color:var(--muted);align-items:flex-start;}
.feature-list li i{color:var(--brand);font-size:12px;margin-top:9px;flex:0 0 auto;}
.order-first{order:-1;}

/* ---------- 对比表 ---------- */
.cmp-wrap{
  border:1px solid var(--line);border-radius:var(--radius-lg);
  background:var(--surface);overflow:hidden;
}
.cmp-table{width:100%;border-collapse:collapse;font-size:14.5px;}
.cmp-table thead th{
  text-align:left;font-size:13px;letter-spacing:.6px;color:var(--faint);
  font-weight:700;padding:18px 22px;background:rgba(255,255,255,.02);
  border-bottom:1px solid var(--line);
}
.cmp-table tbody td{
  padding:20px 22px;border-bottom:1px solid var(--line);color:var(--muted);
  vertical-align:top;
}
.cmp-table tbody tr:last-child td{border-bottom:0;}
.cmp-table tbody tr{transition:background var(--dur) var(--ease);}
.cmp-table tbody tr:hover{background:rgba(47,227,200,.04);}
.cmp-table td strong{color:var(--text);font-weight:700;font-size:15px;display:block;margin-bottom:2px;}

/* ---------- 反白保障条 ---------- */
.guard-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.guard-item{padding:0 28px;border-right:1px solid var(--line-dark);}
.guard-item:first-child{padding-left:0;}
.guard-item:last-child{border-right:0;padding-right:0;}
.guard-item i{font-size:24px;color:#0E8F7C;margin-bottom:14px;display:block;}
.guard-item h3{font-size:16px;margin-bottom:8px;color:var(--text-dark);}
.guard-item p{font-size:13.5px;color:var(--muted-dark);line-height:1.75;}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:56px;align-items:start;}
.faq-side h2{font-size:26px;letter-spacing:.6px;}
.faq-side p{color:var(--muted);font-size:14.5px;margin-top:14px;}
.faq-side .chip{margin-top:20px;}
.accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line);}
.accordion-item:first-child{border-top:1px solid var(--line);}
.accordion-button{
  background:transparent !important;
  color:var(--text) !important;
  font-size:16px;font-weight:500;
  padding:22px 44px 22px 0;
  box-shadow:none !important;
  line-height:1.6;
}
.accordion-button:not(.collapsed){color:var(--brand) !important;}
.accordion-button::after{
  width:14px;height:14px;background-size:14px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%239AA8BC' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E");
  transition:transform var(--dur) var(--ease), background-image var(--dur) var(--ease);
  margin-left:auto;position:absolute;right:6px;
}
.accordion-button:not(.collapsed)::after{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%232FE3C8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E");
}
.accordion-button:focus{border-color:transparent !important;box-shadow:none !important;}
.accordion-body{
  padding:0 44px 26px 0;
  color:var(--muted);font-size:15px;line-height:1.85;
}

/* ---------- CTA ---------- */
.cta-band{
  padding:0 0 96px;
}
.cta-inner{
  display:flex;align-items:center;gap:36px;justify-content:space-between;flex-wrap:wrap;
  padding:38px 40px;border-radius:var(--radius-lg);
  background:rgba(20,30,50,.55);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border:1px solid rgba(255,255,255,.10);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06), var(--shadow);
}
.cta-copy h2{font-size:26px;letter-spacing:.6px;margin-bottom:10px;}
.cta-copy p{color:var(--muted);font-size:14.5px;max-width:52ch;}
.cta-actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap;}
.cta-qr{display:flex;align-items:center;gap:12px;}
.cta-qr img{width:96px;height:96px;border-radius:var(--radius-sm);border:1px solid var(--line);object-fit:cover;}
.cta-qr span{font-size:12.5px;color:var(--faint);max-width:76px;line-height:1.5;}
.anchor-offset{display:block;height:1px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-soft);
  border-top:1px solid var(--line);
  padding:72px 0 0;
  color:var(--muted);
  font-size:14px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-col{padding-left:26px;border-left:1px solid var(--line);}
.footer-col:first-child{padding-left:0;border-left:0;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--text);margin-bottom:16px;}
.footer-brand:hover{color:var(--text);}
.footer-col p{font-size:13.5px;line-height:1.8;color:var(--faint);}
.footer-col h3{font-size:14px;color:var(--text);margin-bottom:18px;letter-spacing:.6px;font-weight:700;}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{font-size:13.5px;color:var(--muted);}
.footer-links a:hover{color:var(--brand);}
.footer-social{display:flex;gap:10px;margin-top:20px;}
.footer-social a{
  width:36px;height:36px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--muted);font-size:13px;
}
.footer-social a:hover{border-color:rgba(47,227,200,.5);color:var(--brand);}
.footer-qr img{width:96px;height:96px;border-radius:var(--radius-sm);border:1px solid var(--line);margin-bottom:14px;object-fit:cover;}
.footer-bottom{
  margin-top:56px;padding:22px 0;
  border-top:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:var(--faint);
}
.footer-bottom .links{display:flex;gap:20px;flex-wrap:wrap;}
.footer-bottom .links a{color:var(--faint);}
.footer-bottom .links a:hover{color:var(--brand);}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 420ms var(--ease), transform 420ms var(--ease);}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .section{padding:72px 0;}
  .feature-row{gap:40px;}
}
@media (max-width:991.98px){
  .page-hero{padding:56px 0 68px;}
  .hero-visual{margin-top:40px;}
  .feature-row{grid-template-columns:1fr;gap:26px;padding:40px 0;}
  .order-first{order:0;}
  .faq-layout{grid-template-columns:1fr;gap:32px;}
  .guard-grid{grid-template-columns:repeat(2,1fr);gap:32px 0;}
  .guard-item{padding:0 24px;}
  .guard-item:nth-child(2){border-right:0;padding-right:0;}
  .guard-item:nth-child(3){padding-left:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .footer-col{padding-left:0;border-left:0;}
}
@media (max-width:767.98px){
  .section{padding:56px 0;}
  .cta-band{padding:0 0 56px;}
  .cta-inner{padding:28px 22px;gap:24px;}
  .cta-actions{width:100%;justify-content:space-between;}
  .cmp-table thead{display:none;}
  .cmp-table,.cmp-table tbody,.cmp-table tr,.cmp-table td{display:block;width:100%;}
  .cmp-table tr{
    border:1px solid var(--line);border-radius:var(--radius-md);
    background:rgba(255,255,255,.02);
    padding:16px 18px;margin:14px;
  }
  .cmp-table tbody td{
    display:flex;justify-content:space-between;gap:16px;
    border:0;padding:7px 0;
  }
  .cmp-table tbody td::before{
    content:attr(data-label);color:var(--faint);font-size:12.5px;flex:0 0 auto;
  }
  .cmp-table td span{text-align:right;}
  .topbar-right a:not(:first-child):not(.d-none){display:none;}
  .ticker{max-width:70vw;}
  .hero-facts{gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:575.98px){
  .guard-grid{grid-template-columns:1fr;gap:0;}
  .guard-item{
    padding:24px 0 !important;border-right:0;border-bottom:1px solid var(--line-dark);
  }
  .guard-item:last-child{border-bottom:0;}
  .footer-grid{grid-template-columns:1fr;}
  .btn-primary,.btn-primary-solid,.btn-ghost{width:100%;}
  .hero-btns{flex-direction:column;align-items:stretch;}
  .cta-actions{flex-direction:column;align-items:stretch;gap:16px;}
  .cta-qr{justify-content:flex-start;}
}

/* roulang page: category2 */
:root{
  --bg:#070B14;
  --bg-soft:#0B111D;
  --surface:#0E1626;
  --surface-2:#131E32;
  --text:#F2F6FA;
  --muted:#9AA8BC;
  --faint:#67748A;
  --line:rgba(255,255,255,.08);
  --brand:#2FE3C8;
  --brand-hover:#55EBD6;
  --brand-press:#1CBCA6;
  --accent:#FFB454;
  --ink:#10151F;
  --ink-soft:#4A5566;
  --line-light:rgba(16,21,31,.10);
  --radius-card:18px;
  --radius-img:14px;
  --radius-btn:999px;
  --shadow-card:0 20px 60px rgba(0,0,0,.45);
  --glow:0 10px 30px rgba(47,227,200,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
a:hover{color:var(--brand)}
ul{list-style:none;margin:0;padding:0}
h1,h2,h3{margin:0;font-weight:700;letter-spacing:.5px;line-height:1.2}
p{margin:0 0 1em}
button,input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{width:100%;padding-inline:18px;margin-inline:auto;max-width:1140px}
@media (min-width:1400px){.container{max-width:1240px}}
.sec{padding:96px 0}
.sec-tight{padding:72px 0}
.sec-head{max-width:760px;margin-bottom:40px}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:2px;color:var(--brand);
  text-transform:uppercase;margin-bottom:14px;
}
.sec-eyebrow::before{content:"";width:22px;height:1px;background:var(--brand);display:block}
.sec-title{font-size:clamp(24px,3vw,36px);letter-spacing:.6px}
.sec-desc{color:var(--muted);font-size:15px;line-height:1.85;margin-top:14px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:1040;background:rgba(7,11,20,.92);backdrop-filter:blur(14px) saturate(140%)}
.topbar{border-bottom:1px solid var(--line);font-size:12px;color:var(--faint);background:rgba(11,17,29,.7)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:36px;gap:16px}
.topbar-left{display:flex;align-items:center;gap:8px;overflow:hidden;white-space:nowrap}
.topbar-left i{color:var(--brand);font-size:11px}
.ticker{overflow:hidden;text-overflow:ellipsis;max-width:min(60vw,640px)}
.topbar-right{display:flex;align-items:center;gap:12px;flex-shrink:0}
.topbar-right a{color:var(--muted);transition:color .2s var(--ease)}
.topbar-right a:hover{color:var(--brand)}
.vline{width:1px;height:12px;background:var(--line);display:inline-block}
.main-nav{height:72px;display:flex;align-items:center;border-bottom:1px solid var(--line);transition:height .22s var(--ease),box-shadow .22s var(--ease)}
.site-header.is-scrolled .main-nav{height:60px;box-shadow:0 12px 30px rgba(0,0,0,.35)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:900;font-size:17px;letter-spacing:1px;color:var(--text)}
.brand:hover{color:var(--text)}
.brand-dot{width:10px;height:10px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(47,227,200,.14)}
.nav-list{display:flex;align-items:center;gap:32px}
.nav-list a{position:relative;font-size:15px;color:var(--muted);padding:6px 0;transition:color .2s var(--ease)}
.nav-list a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--brand);
  transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);
}
.nav-list a:hover{color:var(--text)}
.nav-list a:hover::after{transform:scaleX(1)}
.nav-list a.active{color:var(--text)}
.nav-list a.active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:12px}
.btn-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 22px;border-radius:var(--radius-btn);
  background:var(--brand);color:#062018;font-weight:700;font-size:14px;
  box-shadow:var(--glow);transition:transform .2s var(--ease),filter .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-cta:hover{color:#062018;transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 12px 36px rgba(47,227,200,.34)}
.btn-cta:active{transform:translateY(0)}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;
  border:1px solid var(--line);color:var(--muted);transition:.2s var(--ease);
}
.icon-btn:hover{color:var(--brand);border-color:rgba(47,227,200,.45)}
.nav-toggle{
  width:40px;height:40px;border-radius:12px;background:transparent;border:1px solid var(--line);
  color:var(--text);display:inline-flex;align-items:center;justify-content:center;
}
.mobile-drawer{background:var(--bg-soft);color:var(--text);border-right:1px solid var(--line);width:300px}
.mobile-drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px}
.drawer-title{font-weight:900;letter-spacing:1px}
.drawer-close{background:none;border:0;color:var(--muted);font-size:18px}
.drawer-list{display:flex;flex-direction:column;gap:4px;margin-bottom:24px}
.drawer-list a{display:block;padding:14px 4px;font-size:17px;border-bottom:1px solid var(--line);color:var(--muted)}
.drawer-list a.active{color:var(--brand)}
.drawer-cta{width:100%;justify-content:center}

/* ---------- hero lite ---------- */
.hero-lite{
  position:relative;padding:88px 0 56px;text-align:center;overflow:hidden;
  background:
    radial-gradient(700px 320px at 50% -60px,rgba(47,227,200,.16),transparent 70%),
    linear-gradient(180deg,#0B111D 0%,#070B14 100%);
  border-bottom:1px solid var(--line);
}
.hero-lite-inner{max-width:820px;margin:0 auto}
.crumb{font-size:12px;color:var(--faint);display:flex;justify-content:center;gap:10px;margin-bottom:22px}
.crumb a{color:var(--faint)}
.crumb a:hover{color:var(--brand)}
.crumb span.sep{color:rgba(255,255,255,.18)}
.hero-lite h1{font-size:clamp(30px,4.4vw,54px);line-height:1.15;letter-spacing:.8px}
.hero-lite .lead{color:var(--muted);font-size:16px;line-height:1.9;margin:22px auto 0;max-width:660px}
.thin-line{width:96px;height:3px;border-radius:3px;background:var(--brand);margin:32px auto 0;box-shadow:0 0 20px rgba(47,227,200,.5)}
.kws{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:28px}
.kw{
  font-size:12px;padding:6px 14px;border-radius:var(--radius-btn);
  background:rgba(47,227,200,.10);color:var(--brand);border:1px solid rgba(47,227,200,.22);
}

/* ---------- flow ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.flow-item{
  position:relative;padding:26px 22px;border-radius:var(--radius-card);
  background:var(--surface);border:1px solid var(--line);transition:.22s var(--ease);
}
.flow-item:hover{transform:translateY(-2px);border-color:rgba(47,227,200,.35)}
.flow-num{
  font-family:"Space Grotesk",Inter,system-ui,sans-serif;
  font-size:30px;font-weight:700;color:rgba(47,227,200,.55);letter-spacing:1px;line-height:1;
}
.flow-line{height:1px;background:var(--line);margin:16px 0}
.flow-title{font-size:19px;margin-bottom:10px}
.flow-text{font-size:14px;line-height:1.8;color:var(--muted);margin:0}

/* ---------- light band ---------- */
.light-band{background:#F4F6F8;color:var(--ink)}
.light-band .sec-title{color:var(--ink)}
.light-band .sec-desc{color:var(--ink-soft)}
.light-band .sec-eyebrow{color:#128F7D}
.light-band .sec-eyebrow::before{background:#128F7D}
.check-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line-light)}
.check-item{padding:28px 24px;border-right:1px solid var(--line-light)}
.check-item:last-child{border-right:0}
.check-item i{color:#128F7D;font-size:22px}
.check-item h3{font-size:17px;margin:14px 0 8px;color:var(--ink)}
.check-item p{font-size:14px;line-height:1.8;color:var(--ink-soft);margin:0}

/* ---------- big cards ---------- */
.big-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.big-card{
  border-radius:var(--radius-card);overflow:hidden;background:var(--surface);
  border:1px solid var(--line);transition:.24s var(--ease);display:flex;flex-direction:column;
}
.big-card:hover{transform:translateY(-2px);border-color:rgba(47,227,200,.35)}
.big-card-media{position:relative;aspect-ratio:16/9;overflow:hidden}
.big-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.big-card:hover .big-card-media img{transform:scale(1.03)}
.big-card-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,11,20,0) 40%,rgba(7,11,20,.78) 100%)}
.big-card-tag{
  position:absolute;top:14px;left:14px;z-index:2;font-size:12px;padding:5px 12px;border-radius:8px;
  background:rgba(255,180,84,.14);color:var(--accent);
}
.big-card-body{padding:26px 24px 28px}
.big-card-body h3{font-size:21px;margin-bottom:12px}
.big-card-body p{font-size:14px;line-height:1.8;color:var(--muted);margin:0 0 18px}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--brand);font-weight:500}
.link-arrow i{font-size:12px;transition:transform .2s var(--ease)}
.link-arrow:hover i{transform:translateX(4px)}

/* ---------- quote ---------- */
.quote-wrap{max-width:880px;margin:0 auto}
.quote-block{
  position:relative;padding:40px 36px;border-radius:var(--radius-card);
  background:rgba(20,30,50,.55);backdrop-filter:blur(14px) saturate(140%);
  border:1px solid rgba(255,255,255,.10);box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.quote-mark{font-size:40px;line-height:1;color:rgba(47,227,200,.5);font-family:Georgia,serif}
.quote-block blockquote{margin:12px 0 24px;font-size:15px;line-height:1.9;color:var(--text)}
.quote-meta{display:flex;align-items:center;gap:14px;border-top:1px solid var(--line);padding-top:20px}
.quote-avatar{
  width:44px;height:44px;border-radius:50%;display:grid;place-items:center;
  background:rgba(47,227,200,.14);color:var(--brand);font-weight:700;font-size:16px;flex-shrink:0;
}
.quote-name{font-size:14px;font-weight:500}
.quote-stars{color:var(--accent);font-size:12px;letter-spacing:2px}

/* ---------- faq ---------- */
.faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:40px}
.faq-side h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:14px}
.faq-side p{font-size:14px;color:var(--muted);line-height:1.85}
.accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}
.accordion-button{
  background:transparent;color:var(--text);font-size:16px;font-weight:500;
  padding:20px 4px;box-shadow:none;border:0;
}
.accordion-button:not(.collapsed){color:var(--brand);background:transparent;box-shadow:none}
.accordion-button:focus{box-shadow:none;border:0}
.accordion-button::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  background-image:none;font-size:12px;color:var(--muted);
  transition:transform .22s var(--ease);
}
.accordion-button:not(.collapsed)::after{transform:rotate(180deg);color:var(--brand)}
.accordion-body{padding:0 4px 22px;color:var(--muted);font-size:15px;line-height:1.85}

/* ---------- cta ---------- */
.cta-band{
  border-radius:24px;padding:48px;border:1px solid rgba(255,255,255,.10);
  background:linear-gradient(120deg,rgba(20,30,50,.72),rgba(11,17,29,.85));
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  display:grid;grid-template-columns:5fr 7fr;gap:44px;
}
.cta-left h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:14px}
.cta-left p{font-size:14px;color:var(--muted);line-height:1.85}
.cta-qr{display:flex;align-items:center;gap:14px;margin-top:26px}
.cta-qr img{width:96px;height:96px;border-radius:12px;border:1px solid var(--line);object-fit:cover}
.cta-qr span{font-size:13px;color:var(--faint);line-height:1.7}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-size:13px;color:var(--muted)}
.field input,.field textarea{
  background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:12px;
  padding:12px 14px;font-size:14px;color:var(--text);transition:.2s var(--ease);
}
.field textarea{min-height:110px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--faint)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(47,227,200,.14)}
.form-note{grid-column:1/-1;font-size:12px;color:var(--faint);margin:0}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 28px;border:0;border-radius:var(--radius-btn);
  background:var(--brand);color:#062018;font-weight:700;font-size:15px;
  box-shadow:var(--glow);cursor:pointer;transition:transform .2s var(--ease),filter .2s var(--ease);
}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.06)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 26px;border-radius:var(--radius-btn);border:1px solid rgba(255,255,255,.22);
  background:transparent;color:var(--text);font-size:14px;transition:.2s var(--ease);
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-soft);border-top:1px solid var(--line);padding:64px 0 0;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:0}
.footer-col{padding:0 28px;border-right:1px solid var(--line)}
.footer-col:first-child{padding-left:0}
.footer-col:last-child{border-right:0;padding-right:0}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-weight:900;font-size:16px;letter-spacing:1px;margin-bottom:14px}
.footer-col p{font-size:13px;color:var(--faint);line-height:1.8}
.footer-col h3{font-size:14px;color:var(--text);margin-bottom:16px;letter-spacing:.5px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:13px;color:var(--muted);transition:color .2s var(--ease)}
.footer-links a:hover{color:var(--brand)}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{
  width:34px;height:34px;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--muted);font-size:13px;transition:.2s var(--ease);
}
.footer-social a:hover{color:var(--brand);border-color:rgba(47,227,200,.45)}
.footer-qr img{border-radius:12px;border:1px solid var(--line);margin-bottom:12px}
.footer-bottom{
  margin-top:48px;border-top:1px solid var(--line);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12px;color:var(--faint);
}
.footer-bottom .links{display:flex;gap:18px;flex-wrap:wrap}
.footer-bottom .links a{color:var(--faint)}
.footer-bottom .links a:hover{color:var(--brand)}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .flow{grid-template-columns:repeat(2,1fr)}
  .check-grid{grid-template-columns:repeat(2,1fr)}
  .check-item:nth-child(2n){border-right:0}
  .check-item{border-bottom:1px solid var(--line-light)}
  .footer-grid{grid-template-columns:1fr 1fr;row-gap:36px}
  .footer-col{padding:0 20px}
  .footer-col:nth-child(2n){border-right:0;padding-right:0}
  .footer-col:nth-child(odd){padding-left:0}
}
@media (max-width:991.98px){
  .sec{padding:72px 0}
  .faq-grid{grid-template-columns:1fr;gap:24px}
  .cta-band{grid-template-columns:1fr;padding:34px 26px;gap:30px}
}
@media (max-width:767.98px){
  .sec{padding:56px 0}
  .hero-lite{padding:64px 0 44px}
  .big-cards{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr;gap:16px}
  .flow-item{padding:22px 20px}
  .check-grid{grid-template-columns:1fr}
  .check-item{border-right:0}
  .footer-grid{grid-template-columns:1fr;row-gap:32px}
  .footer-col{border-right:0;padding:0}
  .footer-col h3{margin-bottom:12px}
  .form-grid{grid-template-columns:1fr}
  .quote-block{padding:28px 22px}
  .site-footer{margin-top:64px}
}
@media (max-width:575.98px){
  .topbar-left .ticker{max-width:46vw}
  .btn-cta{padding:8px 16px;font-size:13px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .flow-item:hover,.big-card:hover{transform:none}
}