/* roulang page: index */
:root{
  --bg:#070B14;
  --bg-2:#0B1220;
  --panel:#101A2C;
  --glass:rgba(16,26,44,.62);
  --glass-strong:rgba(16,26,44,.86);
  --glass-bd:rgba(120,220,255,.16);
  --primary:#19D3C5;
  --primary-d:#0FA89E;
  --accent:#FFB84D;
  --violet:#6D5DFC;
  --ok:#40D98B;
  --danger:#FF5C7A;
  --text:#EAF6FF;
  --muted:#93A7BD;
  --line:rgba(147,167,189,.18);
  --r-card:20px;
  --r-btn:13px;
  --r-img:16px;
  --sh-1:0 12px 40px rgba(0,0,0,.35);
  --sh-2:0 18px 50px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(25,211,197,.25),0 0 28px rgba(25,211,197,.22);
  --container:1240px;
  --sec-y:104px;
  --sec-y-sm:56px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
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:17px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(900px 520px at 12% 4%,rgba(25,211,197,.14),transparent 62%),
    radial-gradient(760px 460px at 88% 12%,rgba(109,93,252,.12),transparent 60%),
    radial-gradient(720px 520px at 60% 96%,rgba(255,184,77,.07),transparent 65%);
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color .22s ease,opacity .22s ease}
a:hover{color:#5ff0e3}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--primary);outline-offset:2px;border-radius:8px;
}
h1,h2,h3,h4,h5{font-weight:800;letter-spacing:.02em;line-height:1.28;margin:0}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
.container{max-width:var(--container);margin:0 auto;padding:0 20px;position:relative;z-index:1}
.section{padding:var(--sec-y) 0}
.section-sm{padding:72px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--primary);font-weight:700;margin-bottom:16px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:linear-gradient(90deg,var(--primary),transparent);border-radius:2px}
.sec-title{font-size:clamp(1.75rem,3.2vw,2.3rem);margin-bottom:16px}
.sec-desc{color:var(--muted);max-width:720px;font-size:1.02rem}
.divider-line{height:1px;background:var(--line);border:0;margin:0}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1040;
  padding:16px 0;
  background:rgba(7,11,20,.34);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid rgba(120,220,255,.10);
  transition:background .3s ease,padding .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header.is-scrolled{
  padding:10px 0;
  background:rgba(11,18,32,.95);
  border-bottom:1px solid var(--line);
  box-shadow:0 10px 34px rgba(0,0,0,.45);
}
.header-inner{display:flex;align-items:center;gap:26px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:42px;height:42px;border-radius:13px;
  display:grid;place-items:center;
  font-weight:800;font-size:19px;color:#04201F;
  background:linear-gradient(140deg,var(--primary),#58E9DC 55%,var(--accent));
  box-shadow:0 0 0 1px rgba(25,211,197,.35),0 8px 24px rgba(25,211,197,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:17px;font-weight:800;color:var(--text);letter-spacing:.02em}
.brand-text span{font-size:11px;color:var(--muted);letter-spacing:.18em;text-transform:uppercase}
.main-nav{display:flex;align-items:center;gap:4px;margin:0 auto}
.main-nav .nav-link{
  color:var(--muted);font-size:15px;font-weight:500;
  padding:9px 15px;border-radius:999px;position:relative;
  transition:color .2s ease,background .2s ease;
}
.main-nav .nav-link:hover{color:var(--text);background:rgba(120,220,255,.08)}
.main-nav .nav-link.active{
  color:#062A28;
  background:linear-gradient(135deg,var(--primary),#4FE6D8);
  box-shadow:0 0 0 1px rgba(25,211,197,.4),0 8px 22px rgba(25,211,197,.25);
}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.search-box{
  display:flex;align-items:center;gap:8px;
  background:rgba(16,26,44,.7);
  border:1px solid var(--glass-bd);
  border-radius:999px;padding:7px 14px;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.search-box i{color:var(--muted);font-size:13px}
.search-box input{
  background:transparent;border:0;outline:none;color:var(--text);
  font-size:14px;width:128px;
}
.search-box input::placeholder{color:#6B7F94}
.search-box:focus-within{border-color:rgba(25,211,197,.55);box-shadow:var(--glow)}
.nav-toggle{
  margin-left:auto;width:46px;height:46px;border-radius:13px;
  background:rgba(16,26,44,.72);border:1px solid var(--glass-bd);
  color:var(--text);font-size:18px;display:grid;place-items:center;
}

/* 按钮 */
.btn-signal{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:linear-gradient(135deg,var(--primary),#4EE4D6);
  color:#04201F;font-weight:700;font-size:15px;
  padding:11px 22px;border-radius:var(--r-btn);border:0;
  box-shadow:0 0 0 1px rgba(25,211,197,.35),0 10px 28px rgba(25,211,197,.24);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
  min-height:44px;
}
.btn-signal:hover{color:#04201F;transform:translateY(-2px);filter:brightness(1.07);box-shadow:0 0 0 1px rgba(25,211,197,.5),0 16px 36px rgba(25,211,197,.34)}
.btn-signal:active{transform:translateY(1px)}
.btn-glass{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:rgba(120,220,255,.07);
  color:var(--text);font-weight:600;font-size:15px;
  padding:11px 22px;border-radius:var(--r-btn);
  border:1px solid var(--glass-bd);
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
  min-height:44px;
}
.btn-glass:hover{color:var(--text);background:rgba(25,211,197,.14);border-color:rgba(25,211,197,.5);transform:translateY(-2px)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--muted);font-size:14px;font-weight:600;padding:10px 4px;
}
.btn-ghost:hover{color:var(--primary)}
.btn-ghost i{transition:transform .2s ease}
.btn-ghost:hover i{transform:translateX(4px)}

/* ============ HERO ============ */
.hero{
  position:relative;overflow:hidden;
  padding:180px 0 112px;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  isolation:isolate;
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    linear-gradient(180deg,rgba(7,11,20,.82) 0%,rgba(7,11,20,.9) 55%,rgba(7,11,20,.97) 100%),
    radial-gradient(760px 480px at 78% 22%,rgba(25,211,197,.22),transparent 60%);
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background-image:linear-gradient(rgba(120,220,255,.055) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(120,220,255,.055) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 40%,#000 15%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 40%,#000 15%,transparent 78%);
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.hero h1{
  font-size:clamp(2.2rem,4.3vw,3.35rem);
  margin:18px 0 20px;
  background:linear-gradient(120deg,#FFFFFF 12%,#CFF7F3 48%,#8FE9E0 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{color:#BCD3E6;font-size:1.09rem;max-width:600px;margin-bottom:32px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero-facts{display:flex;flex-wrap:wrap;gap:14px 30px;border-top:1px solid var(--line);padding-top:22px}
.hero-fact{display:flex;flex-direction:column;gap:2px}
.hero-fact b{font-size:1.25rem;color:var(--primary);font-family:"DIN Alternate","Segoe UI",monospace}
.hero-fact span{font-size:13px;color:var(--muted)}
.hero-card{
  background:var(--glass);
  border:1px solid var(--glass-bd);
  border-radius:24px;
  padding:26px;
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  box-shadow:var(--sh-1);
  position:relative;
  overflow:hidden;
}
.hero-card::before{
  content:"";position:absolute;top:0;left:18px;right:18px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(25,211,197,.75),transparent);
}
.status-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.status-label{font-size:13px;color:var(--muted);letter-spacing:.06em}
.status-pill{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(64,217,139,.14);color:#7DF0B4;
  border:1px solid rgba(64,217,139,.32);
  border-radius:999px;padding:5px 13px;font-size:13px;font-weight:600;
}
.status-dot{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 10px var(--ok)}
.quick-list{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.quick-item{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  background:rgba(7,11,20,.5);border:1px solid rgba(120,220,255,.10);
  border-radius:14px;padding:13px 16px;color:var(--text);
  transition:border-color .22s ease,transform .22s ease,background .22s ease;
}
.quick-item:hover{color:var(--text);border-color:rgba(25,211,197,.5);transform:translateY(-2px);background:rgba(25,211,197,.08)}
.quick-item span{font-size:14.5px;font-weight:600}
.quick-item small{display:block;font-size:12px;color:var(--muted);font-weight:400;margin-top:2px}
.quick-item i{color:var(--primary);font-size:13px}
.hero-card-note{margin-top:18px;font-size:12.5px;color:var(--muted);line-height:1.7}

/* ============ 品牌主张 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.split.reverse .split-media{order:2}
.split-media{position:relative;border-radius:22px;overflow:hidden;box-shadow:var(--sh-2)}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform .6s ease}
.split-media:hover img{transform:scale(1.03)}
.split-media .media-glow{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,11,20,.05),rgba(7,11,20,.62));
}
.media-badge{
  position:absolute;left:18px;bottom:18px;
  display:inline-flex;align-items:center;gap:8px;
  background:var(--glass-strong);border:1px solid var(--glass-bd);
  border-radius:999px;padding:8px 15px;font-size:13px;color:var(--text);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.media-badge i{color:var(--primary)}
.split-copy h2{font-size:clamp(1.7rem,3vw,2.25rem);margin-bottom:18px}
.split-copy p{color:#B7CBDD}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  background:rgba(25,211,197,.11);
  border:1px solid rgba(25,211,197,.26);
  color:#9FF0E7;border-radius:999px;
  padding:6px 14px;font-size:13px;font-weight:600;
}
.chip.amber{background:rgba(255,184,77,.12);border-color:rgba(255,184,77,.3);color:#FFD79A}
.chip.violet{background:rgba(109,93,252,.14);border-color:rgba(109,93,252,.32);color:#C0B8FF}

/* ============ 时间轴 / 理念 ============ */
.timeline{position:relative;margin-top:46px;padding-left:34px}
.timeline::before{
  content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,var(--primary),rgba(25,211,197,.12));
  border-radius:2px;
}
.tl-item{position:relative;margin-bottom:22px}
.tl-item::before{
  content:"";position:absolute;left:-32px;top:24px;width:12px;height:12px;border-radius:50%;
  background:var(--bg);border:2px solid var(--primary);box-shadow:0 0 12px rgba(25,211,197,.6);
}
.tl-card{
  background:var(--glass);border:1px solid var(--glass-bd);
  border-radius:18px;padding:22px 26px;
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  display:grid;grid-template-columns:120px 1fr;gap:22px;align-items:flex-start;
  transition:border-color .25s ease,transform .25s ease;
}
.tl-card:hover{border-color:rgba(25,211,197,.45);transform:translateX(4px)}
.tl-year{font-size:14px;font-weight:700;color:var(--accent);letter-spacing:.08em;padding-top:4px}
.tl-body h3{font-size:1.17rem;margin-bottom:8px}
.tl-body p{color:var(--muted);font-size:.96rem;margin:0}

/* ============ 精选内容卡（非对称） ============ */
.feature-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;margin-top:44px}
.card-lg{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  background:var(--panel);border:1px solid var(--glass-bd);
  box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.card-lg:hover{transform:translateY(-4px);border-color:rgba(25,211,197,.45);box-shadow:var(--sh-2)}
.card-lg .thumb{overflow:hidden;aspect-ratio:16/9}
.card-lg .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.card-lg:hover .thumb img{transform:scale(1.04)}
.card-lg .body{padding:26px 28px 28px}
.card-lg .body h3{font-size:1.32rem;margin-bottom:10px}
.card-lg .body p{color:var(--muted);font-size:.96rem}
.mini-stack{display:flex;flex-direction:column;gap:24px}
.card-sm{
  display:flex;gap:18px;align-items:center;
  background:rgba(16,26,44,.6);border:1px solid var(--glass-bd);
  border-radius:var(--r-card);padding:20px;
  transition:transform .26s ease,border-color .26s ease,background .26s ease;
}
.card-sm:hover{transform:translateY(-4px);border-color:rgba(25,211,197,.45);background:rgba(16,26,44,.82)}
.card-sm .thumb-sm{width:112px;flex-shrink:0;border-radius:14px;overflow:hidden;aspect-ratio:1/1}
.card-sm .thumb-sm img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.card-sm:hover .thumb-sm img{transform:scale(1.05)}
.card-sm h3{font-size:1.04rem;margin-bottom:6px}
.card-sm p{font-size:.88rem;color:var(--muted);margin:0}
.tag{
  display:inline-block;font-size:12px;font-weight:600;
  padding:3px 11px;border-radius:999px;
  background:rgba(25,211,197,.12);color:#8FEFE5;border:1px solid rgba(25,211,197,.24);
  margin-bottom:10px;
}
.tag.amber{background:rgba(255,184,77,.13);color:#FFD79A;border-color:rgba(255,184,77,.28)}
.tag.violet{background:rgba(109,93,252,.15);color:#C6BFFF;border-color:rgba(109,93,252,.3)}

/* ============ 最新信息（CMS 列表） ============ */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:34px}
.cms-list{display:flex;flex-direction:column;gap:16px}
.news-item{
  display:grid;grid-template-columns:104px 1fr auto;gap:22px;align-items:center;
  background:rgba(16,26,44,.55);border:1px solid var(--glass-bd);
  border-radius:18px;padding:18px 22px;
  transition:transform .24s ease,border-color .24s ease,background .24s ease;
}
.news-item:hover{transform:translateY(-3px);border-color:rgba(25,211,197,.45);background:rgba(16,26,44,.85)}
.news-thumb{width:104px;height:72px;border-radius:12px;overflow:hidden;background:var(--bg-2)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.news-item:hover .news-thumb img{transform:scale(1.06)}
.news-main h3{font-size:1.06rem;margin-bottom:6px;line-height:1.45}
.news-main h3 a{color:var(--text)}
.news-main h3 a:hover{color:var(--primary)}
.news-main p{font-size:.9rem;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;flex-direction:column;align-items:flex-end;gap:8px;font-size:12.5px;color:var(--muted);white-space:nowrap}
.news-meta .arrow{color:var(--primary);transition:transform .24s ease}
.news-item:hover .news-meta .arrow{transform:translateX(5px)}
.cms-empty{
  display:flex;flex-direction:column;align-items:center;gap:12px;
  padding:54px 20px;border:1px dashed rgba(120,220,255,.24);
  border-radius:18px;background:rgba(16,26,44,.4);color:var(--muted);
}
.cms-empty i{font-size:26px;color:rgba(25,211,197,.6)}
.pagination-glass{display:flex;justify-content:center;gap:10px;margin-top:38px;flex-wrap:wrap}
.pagination-glass a,.pagination-glass span{
  min-width:44px;height:44px;display:grid;place-items:center;
  border-radius:999px;background:rgba(16,26,44,.65);border:1px solid var(--glass-bd);
  color:var(--muted);font-size:14px;font-weight:600;
}
.pagination-glass .current{background:linear-gradient(135deg,var(--primary),#4FE6D8);color:#04201F;border-color:transparent;box-shadow:var(--glow)}
.pagination-glass a:hover{color:var(--text);border-color:rgba(25,211,197,.5)}

/* ============ 信任背书 ============ */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  background:rgba(16,26,44,.5);border:1px solid var(--glass-bd);
  border-radius:22px;padding:34px 30px;
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
}
.stat-item{text-align:center;padding:0 12px;border-right:1px solid var(--line)}
.stat-item:last-child{border-right:0}
.stat-num{font-size:clamp(1.6rem,3vw,2.1rem);font-weight:800;color:var(--primary);font-family:"DIN Alternate","Segoe UI",monospace}
.stat-item span{display:block;font-size:13.5px;color:var(--muted);margin-top:6px}
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:26px}
.quote-card{
  background:rgba(16,26,44,.55);border:1px solid var(--glass-bd);
  border-radius:18px;padding:24px;
  transition:transform .26s ease,border-color .26s ease;
}
.quote-card:hover{transform:translateY(-4px);border-color:rgba(25,211,197,.4)}
.quote-card p{font-size:.95rem;color:#C3D6E6;margin-bottom:16px}
.quote-user{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted)}
.quote-avatar{
  width:36px;height:36px;border-radius:50%;display:grid;place-items:center;
  background:rgba(25,211,197,.16);color:var(--primary);font-weight:700;font-size:14px;
}
.stars{color:var(--accent);font-size:12px;letter-spacing:2px;margin-bottom:12px}

/* ============ FAQ ============ */
.faq-wrap{max-width:920px;margin:44px auto 0}
.faq-accordion .accordion-item{
  background:rgba(16,26,44,.58);
  border:1px solid var(--glass-bd);
  border-radius:16px !important;
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .24s ease,box-shadow .24s ease;
}
.faq-accordion .accordion-item:has(.accordion-button:not(.collapsed)){
  border-color:rgba(25,211,197,.55);
  box-shadow:var(--glow);
}
.faq-accordion .accordion-button{
  background:transparent;color:var(--text);
  font-size:1.03rem;font-weight:700;
  padding:20px 24px;box-shadow:none !important;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.faq-accordion .accordion-button::after{display:none}
.faq-accordion .accordion-button .faq-icon{
  width:30px;height:30px;flex-shrink:0;border-radius:50%;
  display:grid;place-items:center;font-size:13px;
  background:rgba(25,211,197,.14);color:var(--primary);
  border:1px solid rgba(25,211,197,.3);
  transition:transform .25s ease,background .25s ease;
}
.faq-accordion .accordion-button:not(.collapsed){color:var(--primary)}
.faq-accordion .accordion-button:not(.collapsed) .faq-icon{transform:rotate(180deg);background:rgba(25,211,197,.24)}
.faq-accordion .accordion-body{
  padding:0 24px 22px;color:var(--muted);font-size:.96rem;line-height:1.85;
  border-top:1px solid var(--line);margin-top:-4px;padding-top:18px;
}

/* ============ CTA ============ */
.cta-panel{
  position:relative;overflow:hidden;
  border-radius:26px;
  padding:52px 48px;
  background:var(--glass-strong);
  border:1px solid var(--glass-bd);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;
  box-shadow:var(--sh-1);
}
.cta-panel::before{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(25,211,197,.22),transparent 68%);
}
.cta-panel h2{font-size:clamp(1.6rem,2.8vw,2.05rem);margin-bottom:14px}
.cta-panel p{color:var(--muted);margin:0}
.subscribe-form{display:flex;flex-direction:column;gap:12px;position:relative;z-index:1}
.form-label{font-size:13.5px;color:var(--muted);font-weight:600;letter-spacing:.04em}
.form-control-glass{
  width:100%;height:48px;border-radius:var(--r-btn);
  background:rgba(7,11,20,.6);border:1px solid var(--glass-bd);
  color:var(--text);padding:0 16px;font-size:15px;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.form-control-glass::placeholder{color:#6B7F94}
.form-control-glass:focus{outline:none;border-color:rgba(25,211,197,.6);box-shadow:var(--glow)}
.form-tip{font-size:12.5px;color:var(--muted)}
.form-msg{font-size:13.5px;font-weight:600;min-height:20px}
.form-msg.ok{color:var(--ok)}
.form-msg.err{color:var(--danger)}

/* ============ 页脚 ============ */
.site-footer{
  background:#050810;
  border-top:1px solid var(--line);
  padding:72px 0 26px;
  margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand .brand-mark{width:38px;height:38px;border-radius:11px;font-size:17px}
.footer-brand strong{font-size:16px}
.footer-desc{font-size:14px;color:var(--muted);line-height:1.8;max-width:340px}
.footer-contact{margin-top:18px;font-size:13.5px;color:var(--muted);display:flex;flex-direction:column;gap:8px}
.footer-contact a{color:#A9C2D6}
.footer-contact a:hover{color:var(--primary)}
.footer-contact i{color:var(--primary);width:16px}
.footer-col h4{font-size:14px;letter-spacing:.1em;color:#B9CEE0;margin-bottom:18px;text-transform:uppercase;font-weight:700}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:var(--muted)}
.footer-col a:hover{color:var(--primary)}
.footer-col li span{font-size:14px;color:var(--muted)}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#7B8FA5;
}
.footer-bottom a{color:#7B8FA5}
.footer-bottom a:hover{color:var(--primary)}
.footer-legal{display:flex;gap:20px;flex-wrap:wrap}

/* 返回顶部 */
.to-top{
  position:fixed;right:22px;bottom:26px;z-index:1030;
  width:46px;height:46px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(16,26,44,.85);border:1px solid var(--glass-bd);
  color:var(--primary);opacity:0;pointer-events:none;
  transition:opacity .3s ease,transform .3s ease;
  backdrop-filter:blur(10px);
}
.to-top.show{opacity:1;pointer-events:auto}
.to-top:hover{transform:translateY(-4px);border-color:rgba(25,211,197,.55)}

/* 滚动渐显 */
.js .reveal{opacity:0;transform:translateY(20px);transition:opacity .7s ease,transform .7s ease}
.js .reveal.is-visible{opacity:1;transform:none}

/* Offcanvas 移动端菜单 */
.offcanvas.offcanvas-glass{
  background:rgba(9,14,24,.98);
  color:var(--text);
  border-left:1px solid var(--glass-bd);
  width:min(88vw,360px);
}
.offcanvas-glass .offcanvas-header{border-bottom:1px solid var(--line);padding:20px 22px}
.offcanvas-glass .btn-close{filter:invert(1) grayscale(1);opacity:.75}
.mobile-nav{display:flex;flex-direction:column;gap:6px;padding:18px 16px}
.mobile-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;border-radius:14px;
  color:#C6D9E8;font-size:15.5px;font-weight:600;
  background:rgba(16,26,44,.5);border:1px solid rgba(120,220,255,.08);
  min-height:48px;
}
.mobile-nav a.active{background:linear-gradient(135deg,rgba(25,211,197,.18),rgba(25,211,197,.06));color:var(--primary);border-color:rgba(25,211,197,.4)}
.mobile-cta{padding:6px 16px 26px}
.mobile-cta .btn-signal{width:100%}

/* ============ 响应式 ============ */
@media (min-width:1400px){
  :root{--container:1300px;--sec-y:118px}
}
@media (max-width:1199.98px){
  :root{--container:1040px}
  .main-nav .nav-link{padding:8px 11px;font-size:14px}
  .search-box input{width:100px}
  .hero-grid{gap:40px}
}
@media (max-width:991.98px){
  :root{--sec-y:76px}
  .hero{padding:148px 0 84px}
  .hero-grid{grid-template-columns:1fr;gap:38px}
  .split{grid-template-columns:1fr;gap:34px}
  .split.reverse .split-media{order:0}
  .feature-grid{grid-template-columns:1fr}
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:26px 12px}
  .stat-item:nth-child(2){border-right:0}
  .quote-grid{grid-template-columns:1fr}
  .cta-panel{grid-template-columns:1fr;padding:38px 28px;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:767.98px){
  body{font-size:16px}
  :root{--sec-y:var(--sec-y-sm)}
  .section{padding:var(--sec-y-sm) 0}
  .section-sm{padding:48px 0}
  .hero{padding:130px 0 68px}
  .hero h1{font-size:clamp(1.85rem,7vw,2.4rem)}
  .hero-sub{font-size:1rem}
  .hero-card{padding:22px}
  .hero-actions .btn-signal,.hero-actions .btn-glass{width:100%}
  .tl-card{grid-template-columns:1fr;gap:8px;padding:20px}
  .tl-year{padding-top:0}
  .news-item{grid-template-columns:1fr;gap:14px}
  .news-thumb{width:100%;height:150px}
  .news-meta{flex-direction:row;align-items:center;justify-content:space-between;width:100%}
  .news-head{align-items:flex-start}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .search-box,.header-actions{display:none !important}
  .faq-accordion .accordion-button{padding:17px 18px;font-size:.98rem}
  .faq-accordion .accordion-body{padding:16px 18px 20px}
  .stat-strip{padding:26px 18px}
  .stat-num{font-size:1.5rem}
}
@media (max-width:575.98px){
  .container{padding:0 16px}
  .hero-facts{gap:12px 20px}
  .card-lg .body{padding:22px}
  .card-sm{flex-direction:column;align-items:flex-start}
  .card-sm .thumb-sm{width:100%;aspect-ratio:16/9}
  .btn-signal,.btn-glass{width:100%}
  .site-header{backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
  .hero-card,.tl-card,.quote-card{backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
  .brand-text span{display:none}
}

/* roulang page: article */
:root{
  --bg:#070B14;
  --bg-2:#0B1220;
  --panel:#101A2C;
  --glass:rgba(16,26,44,.62);
  --glass-2:rgba(16,26,44,.88);
  --glass-line:rgba(120,220,255,.16);
  --primary:#19D3C5;
  --primary-dark:#0FA89E;
  --accent:#FFB84D;
  --violet:#6D5DFC;
  --success:#40D98B;
  --danger:#FF5C7A;
  --text:#EAF6FF;
  --muted:#93A7BD;
  --line:rgba(147,167,189,.18);
  --r-card:20px;
  --r-btn:13px;
  --r-img:16px;
  --sh-1:0 12px 40px rgba(0,0,0,.35);
  --sh-2:0 18px 50px rgba(0,0,0,.45);
  --sh-glow:0 0 0 1px rgba(25,211,197,.25),0 0 28px rgba(25,211,197,.22);
  --container:1240px;
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  background-image:
    radial-gradient(900px 520px at 12% -6%,rgba(25,211,197,.14),transparent 62%),
    radial-gradient(760px 460px at 92% 4%,rgba(109,93,252,.13),transparent 60%),
    radial-gradient(700px 420px at 50% 108%,rgba(255,184,77,.07),transparent 62%);
  background-attachment:fixed;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none;transition:color .22s ease,opacity .22s ease}
a:hover{color:#5CE9DF}
button{font-family:inherit}
h1,h2,h3,h4{font-weight:800;line-height:1.3;letter-spacing:.015em;margin:0}
p{margin:0 0 1.15em}
ul,ol{margin:0;padding:0}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px}
::selection{background:rgba(25,211,197,.32);color:#fff}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}

/* ---------- header ---------- */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:1030;
  background:rgba(9,14,24,.42);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid rgba(120,220,255,.10);
  transition:background .3s ease,box-shadow .3s ease,height .3s ease;
}
.site-header.is-scrolled{
  background:rgba(11,18,32,.95);
  border-bottom-color:var(--line);
  box-shadow:0 10px 34px rgba(0,0,0,.45);
}
.header-inner{display:flex;align-items:center;gap:22px;min-height:76px;transition:min-height .3s ease}
.site-header.is-scrolled .header-inner{min-height:66px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;color:var(--text)}
.brand:hover{color:var(--text)}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  display:grid;place-items:center;
  font-size:18px;font-weight:800;color:#04211F;
  background:linear-gradient(135deg,#4BF0E2,#0FA89E);
  box-shadow:0 0 0 1px rgba(25,211,197,.35),0 8px 22px rgba(25,211,197,.28);
}
.brand-text{font-size:19px;font-weight:800;letter-spacing:.02em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px;margin:0 auto}
.main-nav .nav-link{
  position:relative;padding:9px 14px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--muted);
  transition:color .2s ease,background .2s ease;
}
.main-nav .nav-link::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:0;height:2px;border-radius:2px;background:var(--primary);
  box-shadow:0 0 10px rgba(25,211,197,.7);transition:width .28s ease;
}
.main-nav .nav-link:hover{color:var(--text);background:rgba(120,220,255,.07)}
.main-nav .nav-link.active{color:var(--text);background:rgba(25,211,197,.13);box-shadow:inset 0 0 0 1px rgba(25,211,197,.30)}
.main-nav .nav-link.active::after{width:22px}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--glass-line);
  background:rgba(120,220,255,.06);color:var(--muted);
  display:grid;place-items:center;font-size:15px;cursor:pointer;
  transition:.22s ease;
}
.icon-btn:hover{color:var(--text);border-color:rgba(25,211,197,.45);box-shadow:var(--sh-glow)}
.btn-glow{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 22px;border-radius:var(--r-btn);border:0;
  font-size:15px;font-weight:700;color:#04211F;
  background:linear-gradient(135deg,#4BF0E2,#0FA89E);
  box-shadow:0 0 0 1px rgba(25,211,197,.28),0 10px 26px rgba(25,211,197,.26);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-glow:hover{color:#04211F;transform:translateY(-2px);filter:brightness(1.07);
  box-shadow:0 0 0 1px rgba(25,211,197,.4),0 14px 34px rgba(25,211,197,.38)}
.btn-glow:active{transform:translateY(1px)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 22px;border-radius:var(--r-btn);
  border:1px solid var(--glass-line);background:rgba(120,220,255,.05);
  font-size:15px;font-weight:600;color:var(--text);
  transition:.22s ease;
}
.btn-ghost:hover{color:var(--text);border-color:rgba(25,211,197,.5);background:rgba(25,211,197,.11)}
.nav-burger{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--glass-line);
  background:rgba(120,220,255,.06);color:var(--text);display:grid;place-items:center;font-size:17px;
}
.mobile-nav{background:#0B1220;color:var(--text);border-left:1px solid var(--line)}
.mobile-nav .offcanvas-header{border-bottom:1px solid var(--line);gap:10px;align-items:center;padding:18px 20px}
.mobile-nav .offcanvas-header strong{font-size:16px}
.mobile-nav .offcanvas-body{padding:18px 20px 28px;display:flex;flex-direction:column;gap:6px}
.m-link{
  display:block;padding:13px 16px;border-radius:14px;color:var(--text);
  font-size:16px;font-weight:600;border:1px solid transparent;
}
.m-link:hover,.m-link.active{background:rgba(25,211,197,.12);border-color:rgba(25,211,197,.28);color:var(--text)}
.offcanvas{--bs-offcanvas-width:300px}

/* ---------- progress ---------- */
.read-progress{position:fixed;top:0;left:0;height:2px;width:0;z-index:1040;
  background:linear-gradient(90deg,#19D3C5,#6D5DFC);box-shadow:0 0 12px rgba(25,211,197,.7)}

/* ---------- page top ---------- */
.page-top{padding:132px 0 34px;position:relative}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:20px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--primary)}
.crumb .sep{opacity:.5}
.crumb .cur{color:var(--primary)}
.badge-cat{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;
  color:#8CF3EA;background:rgba(25,211,197,.12);
  border:1px solid rgba(25,211,197,.30);margin-bottom:18px;
}
.article-head h1{
  font-size:clamp(2rem,3.4vw,3rem);
  max-width:940px;margin-bottom:20px;
  background:linear-gradient(100deg,#FFFFFF 20%,#A9E9E4 90%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.article-meta{display:flex;flex-wrap:wrap;gap:10px 20px;font-size:14px;color:var(--muted);margin-bottom:22px}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--primary);opacity:.85}
.article-lead{
  max-width:900px;font-size:17px;color:#BBD1E4;line-height:1.85;
  padding:20px 24px;border-radius:var(--r-card);
  background:linear-gradient(180deg,rgba(16,26,44,.72),rgba(16,26,44,.42));
  border:1px solid var(--glass-line);border-left:3px solid var(--primary);
}
.article-cover{margin:34px 0 0;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1)}
.article-cover img{width:100%;aspect-ratio:21/9;object-fit:cover}
.article-cover figcaption{font-size:13px;color:var(--muted);padding:12px 18px;background:rgba(16,26,44,.7)}

/* ---------- layout ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:38px;padding:54px 0 20px;align-items:start}
.article-body{
  max-width:820px;font-size:17px;line-height:1.95;color:#DCEAF7;
  background:rgba(16,26,44,.40);border:1px solid var(--line);
  border-radius:var(--r-card);padding:38px 42px;box-shadow:var(--sh-1);
}
.article-body:empty{display:none}
.article-body h2{
  font-size:clamp(1.45rem,2.1vw,1.85rem);margin:2.6rem 0 1rem;
  padding-left:14px;border-left:3px solid var(--primary);scroll-margin-top:110px;
}
.article-body h3{font-size:1.24rem;margin:1.9rem 0 .8rem;color:#F2FAFF;scroll-margin-top:110px}
.article-body h2:first-child,.article-body h3:first-child{margin-top:0}
.article-body p{margin-bottom:1.3em}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:#7CF2E9;text-shadow:0 0 14px rgba(25,211,197,.45)}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.35em}
.article-body li{margin-bottom:.55em}
.article-body ul li::marker{color:var(--primary)}
.article-body ol li::marker{color:var(--accent);font-weight:700}
.article-body img{border-radius:var(--r-img);margin:1.4rem 0;border:1px solid var(--line)}
.article-body blockquote{
  margin:1.6rem 0;padding:18px 22px;border-radius:14px;
  background:rgba(25,211,197,.07);border-left:3px solid var(--primary);color:#C8E4EC;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92em;
  background:rgba(109,93,252,.16);color:#BEB6FF;padding:2px 7px;border-radius:6px;
}
.article-body pre{
  background:#0A1120;border:1px solid var(--line);border-radius:14px;
  padding:18px 20px;overflow:auto;margin:1.5rem 0;
}
.article-body pre code{background:none;color:#B9D6E8;padding:0}
.article-body table{width:100%;border-collapse:collapse;margin:1.5rem 0;font-size:15.5px;
  border:1px solid var(--line);border-radius:12px;overflow:hidden}
.article-body th,.article-body td{padding:12px 15px;border-bottom:1px solid var(--line);text-align:left}
.article-body th{background:rgba(25,211,197,.10);color:#CFF5F1;font-weight:700}
.article-body tr:last-child td{border-bottom:0}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.2rem 0}
.article-empty{text-align:center;padding:52px 20px;color:var(--muted)}
.article-empty i{font-size:38px;color:rgba(120,220,255,.45);margin-bottom:16px;display:block}
.article-empty p{font-size:18px;color:var(--text);margin-bottom:20px}

/* ---------- sidebar ---------- */
.side-stack{position:sticky;top:104px;display:flex;flex-direction:column;gap:18px}
.side-card{
  background:rgba(16,26,44,.62);border:1px solid var(--glass-line);
  border-radius:18px;padding:20px 20px 16px;
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  box-shadow:var(--sh-1);
}
.side-card h3{font-size:15px;letter-spacing:.06em;color:#9FE7E0;margin-bottom:14px;
  display:flex;align-items:center;gap:8px;text-transform:none}
.side-card h3 i{color:var(--primary)}
.toc-list{list-style:none;display:flex;flex-direction:column;gap:2px}
.toc-list a{
  display:block;padding:8px 11px;border-radius:10px;
  font-size:14.5px;color:var(--muted);border-left:2px solid transparent;
}
.toc-list a:hover{color:var(--text);background:rgba(120,220,255,.08)}
.toc-list a.active{color:var(--primary);border-left-color:var(--primary);background:rgba(25,211,197,.09)}
.toc-empty{font-size:13.5px;color:var(--muted);margin:6px 0 0}
.side-links{list-style:none;display:flex;flex-direction:column;gap:6px}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 13px;border-radius:12px;font-size:14.5px;color:#C6DBEC;
  background:rgba(120,220,255,.05);border:1px solid transparent;
}
.side-links a:hover{color:var(--text);border-color:rgba(25,211,197,.35);background:rgba(25,211,197,.10)}
.side-links a i{font-size:12px;color:var(--primary);transition:transform .22s ease}
.side-links a:hover i{transform:translateX(4px)}

/* ---------- post footer ---------- */
.post-foot{max-width:820px;display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;
  align-items:center;margin-top:22px;padding:20px 24px;border-radius:var(--r-card);
  background:rgba(16,26,44,.55);border:1px solid var(--line)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{font-size:13px;padding:6px 13px;border-radius:999px;color:#9FE7E0;
  background:rgba(25,211,197,.10);border:1px solid rgba(25,211,197,.24)}
.post-foot .back-link{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600}

/* ---------- sections ---------- */
.section{padding:76px 0}
.section-alt{background:linear-gradient(180deg,rgba(11,18,32,0),rgba(11,18,32,.85),rgba(11,18,32,0))}
.section-head{max-width:720px;margin-bottom:38px}
.section-head h2{font-size:clamp(1.6rem,2.5vw,2.2rem);margin-bottom:12px}
.section-head p{color:var(--muted);margin:0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  letter-spacing:.14em;color:var(--primary);margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--primary);border-radius:2px}

.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rel-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:rgba(16,26,44,.62);border:1px solid var(--glass-line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.rel-card:hover{transform:translateY(-4px);border-color:rgba(25,211,197,.45);box-shadow:var(--sh-2)}
.rel-thumb{position:relative;overflow:hidden;aspect-ratio:16/9}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,11,20,0) 45%,rgba(7,11,20,.65))}
.rel-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body h3{font-size:17px;line-height:1.45}
.rel-body p{font-size:14.5px;color:var(--muted);margin:0;flex:1}
.rel-meta{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted)}
.rel-meta i{color:var(--primary)}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:26px;
  border:1px solid rgba(25,211,197,.28);
  background:linear-gradient(120deg,rgba(16,26,44,.92),rgba(11,30,40,.86));
  box-shadow:var(--sh-1);
  padding:48px 46px;display:grid;grid-template-columns:1.4fr .9fr;gap:34px;align-items:center;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;opacity:.16;z-index:0;
}
.cta-band>*{position:relative;z-index:1}
.cta-band h2{font-size:clamp(1.5rem,2.3vw,2rem);margin-bottom:12px}
.cta-band p{color:#B6CBDD;margin:0;font-size:15.5px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}

/* ---------- footer ---------- */
.site-footer{background:#080D18;border-top:1px solid var(--line);padding:64px 0 0;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:36px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand .brand-mark{width:36px;height:36px;flex:0 0 36px;font-size:17px}
.footer-brand strong{font-size:17px}
.footer-desc{color:var(--muted);font-size:14.5px;line-height:1.8;margin-bottom:16px;max-width:340px}
.footer-contact{display:flex;flex-direction:column;gap:9px;font-size:14px;color:var(--muted)}
.footer-contact i{color:var(--primary);width:16px}
.footer-contact a{color:var(--muted)}
.footer-contact a:hover{color:var(--primary)}
.footer-col h4{font-size:15px;margin-bottom:16px;color:#CFE4F2}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-col a,.footer-col span{color:var(--muted);font-size:14.5px}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13.5px;color:var(--muted);
}
.footer-legal{display:flex;flex-wrap:wrap;gap:18px}
.footer-legal a{color:var(--muted)}
.footer-legal a:hover{color:var(--primary)}

.to-top{
  position:fixed;right:22px;bottom:24px;width:46px;height:46px;border-radius:14px;
  border:1px solid var(--glass-line);background:rgba(16,26,44,.85);color:var(--text);
  display:grid;place-items:center;cursor:pointer;opacity:0;visibility:hidden;
  transition:.28s ease;z-index:1020;
}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{border-color:rgba(25,211,197,.5);box-shadow:var(--sh-glow)}

/* ---------- responsive ---------- */
@media (max-width:1399px){
  .article-layout{gap:32px}
}
@media (max-width:1199px){
  .container{max-width:1040px}
  .main-nav .nav-link{padding:9px 10px;font-size:14.5px}
  .article-body{padding:32px 30px}
}
@media (max-width:991px){
  .page-top{padding:118px 0 26px}
  .article-layout{grid-template-columns:1fr;gap:24px}
  .side-stack{position:static}
  .article-body{max-width:none}
  .post-foot{max-width:none}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-band{grid-template-columns:1fr;padding:36px 28px}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 16px}
  .brand-text{font-size:16.5px}
  .section{padding:52px 0}
  .page-top{padding:106px 0 22px}
  .article-body{padding:26px 20px;line-height:1.9}
  .article-body h2{margin-top:2rem}
  .article-cover img{aspect-ratio:16/10}
  .article-lead{padding:18px 18px;font-size:15.5px}
  .card-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:575px){
  .brand-text{display:none}
  .btn-glow,.btn-ghost{width:100%;justify-content:center}
  .cta-actions{flex-direction:column}
  .cta-actions .btn-glow,.cta-actions .btn-ghost{width:100%}
  .site-header,.side-card{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
  .article-body{padding:22px 16px}
  .post-foot{padding:18px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category1 */
:root{
  --bg:#070B14;
  --bg-2:#0B1220;
  --panel:#101A2C;
  --glass:rgba(16,26,44,.62);
  --glass-2:rgba(11,18,32,.9);
  --glass-border:rgba(120,220,255,.16);
  --primary:#19D3C5;
  --primary-dark:#0FA89E;
  --accent:#FFB84D;
  --purple:#6D5DFC;
  --ok:#40D98B;
  --danger:#FF5C7A;
  --text:#EAF6FF;
  --muted:#93A7BD;
  --line:rgba(147,167,189,.18);
  --r-card:20px;
  --r-btn:13px;
  --r-img:16px;
  --sh-1:0 12px 40px rgba(0,0,0,.35);
  --sh-2:0 18px 50px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(25,211,197,.25),0 0 28px rgba(25,211,197,.22);
  --container:1240px;
  --pad-x:24px;
}

*,*::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:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.75;
  letter-spacing:.01em;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(680px 420px at 12% -6%,rgba(25,211,197,.16),transparent 65%),
    radial-gradient(620px 420px at 92% 4%,rgba(109,93,252,.14),transparent 68%),
    radial-gradient(760px 520px at 50% 110%,rgba(25,211,197,.08),transparent 70%),
    linear-gradient(rgba(147,167,189,.045) 1px,transparent 1px) 0 0/100% 62px,
    linear-gradient(90deg,rgba(147,167,189,.045) 1px,transparent 1px) 0 0/62px 100%;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:#5FF0E4;}
h1,h2,h3,h4{font-weight:700;letter-spacing:.02em;line-height:1.3;margin:0;}
p{margin:0 0 1.1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,textarea,select{font:inherit;color: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:0 var(--pad-x);position:relative;z-index:1;}

/* ---------- header ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1030;
  background:rgba(11,18,32,.42);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid rgba(120,220,255,.12);
  transition:background .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.site-header.scrolled{
  background:rgba(11,18,32,.95);
  border-bottom-color:var(--line);
  box-shadow:0 10px 30px rgba(0,0,0,.4);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:74px;
  transition:min-height .3s ease;
}
.site-header.scrolled .header-inner{min-height:64px;}
.brand{
  display:flex;
  align-items:center;
  gap:11px;
  color:var(--text);
  flex-shrink:0;
}
.brand:hover{color:var(--text);}
.brand-mark{
  width:38px;height:38px;
  border-radius:12px;
  display:grid;place-items:center;
  font-weight:800;
  font-size:19px;
  color:#04211F;
  background:linear-gradient(135deg,var(--primary),#5FF0E4);
  box-shadow:0 0 0 1px rgba(25,211,197,.35),0 8px 22px rgba(25,211,197,.25);
}
.brand-text{
  font-size:17px;
  font-weight:800;
  letter-spacing:.03em;
  white-space:nowrap;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:12px;
}
.main-nav .nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 14px;
  border-radius:999px;
  color:var(--muted);
  font-size:15.5px;
  font-weight:500;
  white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.main-nav .nav-link:hover{color:var(--text);background:rgba(25,211,197,.08);}
.main-nav .nav-link.active{
  color:var(--text);
  background:rgba(25,211,197,.12);
  box-shadow:inset 0 0 0 1px rgba(25,211,197,.3);
}
.main-nav .nav-link.active::after{
  content:"";
  position:absolute;
  left:50%;bottom:4px;
  transform:translateX(-50%);
  width:22px;height:2px;
  border-radius:2px;
  background:var(--primary);
  box-shadow:0 0 10px rgba(25,211,197,.85);
}
.header-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:10px;
}
.icon-btn{
  width:44px;height:44px;
  border-radius:50%;
  border:1px solid var(--glass-border);
  background:rgba(16,26,44,.55);
  color:var(--muted);
  display:grid;place-items:center;
  transition:.2s ease;
}
.icon-btn:hover{color:var(--text);border-color:rgba(25,211,197,.5);background:rgba(25,211,197,.1);}
.search-layer{
  display:none;
  padding:0 0 18px;
}
.search-layer.open{display:block;}
.search-layer form{
  display:flex;
  gap:10px;
  background:var(--glass);
  border:1px solid var(--glass-border);
  border-radius:16px;
  padding:10px;
  backdrop-filter:blur(12px);
}
.search-layer input{
  flex:1;
  min-height:48px;
  border:none;
  background:transparent;
  padding:0 14px;
  color:var(--text);
}
.search-layer input::placeholder{color:var(--muted);}
.search-layer input:focus{outline:none;}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 24px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:16px;
  font-weight:600;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,color .2s ease;
}
.btn-sm{min-height:42px;padding:0 18px;font-size:15px;}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),#4BE6D6);
  color:#04211F;
  box-shadow:0 0 0 1px rgba(25,211,197,.35),0 12px 30px rgba(25,211,197,.22);
}
.btn-primary:hover{
  color:#04211F;
  transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(25,211,197,.5),0 16px 40px rgba(25,211,197,.34);
}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  background:rgba(16,26,44,.45);
  border-color:var(--glass-border);
  color:var(--text);
  backdrop-filter:blur(10px);
}
.btn-ghost:hover{
  background:rgba(25,211,197,.14);
  border-color:rgba(25,211,197,.5);
  color:var(--text);
  transform:translateY(-2px);
}
.btn-ghost:active{transform:translateY(1px);}
.btn-block{width:100%;}
.btn:disabled{opacity:.5;cursor:not-allowed;}

/* ---------- offcanvas ---------- */
.offcanvas.offcanvas-end.mobile-nav{
  background:var(--bg-2);
  color:var(--text);
  border-left:1px solid var(--line);
  width:min(86vw,340px);
}
.mobile-nav .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px;}
.mobile-nav .offcanvas-title{font-size:17px;font-weight:800;}
.mobile-nav .btn-close{filter:invert(1) grayscale(1) brightness(2);opacity:.7;}
.mobile-nav .offcanvas-body{padding:16px 20px 26px;display:flex;flex-direction:column;gap:6px;}
.mobile-nav a.m-link{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:52px;
  padding:0 16px;
  border-radius:14px;
  color:var(--muted);
  font-size:16px;
  border:1px solid transparent;
}
.mobile-nav a.m-link:hover{color:var(--text);background:rgba(25,211,197,.08);}
.mobile-nav a.m-link.active{
  color:var(--text);
  background:rgba(25,211,197,.12);
  border-color:rgba(25,211,197,.3);
}
.mobile-nav .mobile-cta{margin-top:auto;padding-top:18px;}

/* ---------- breadcrumb ---------- */
.crumb-bar{padding-top:104px;}
.crumb{
  display:inline-flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  padding:9px 16px;
  border-radius:999px;
  background:var(--glass);
  border:1px solid var(--glass-border);
  backdrop-filter:blur(12px);
  font-size:14px;
  color:var(--muted);
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--primary);}
.crumb .sep{opacity:.55;}
.crumb .current{color:var(--primary);font-weight:600;}

/* ---------- hero ---------- */
.page-hero{
  position:relative;
  padding:26px 0 64px;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  opacity:.34;
  mask-image:linear-gradient(180deg,#000 0%,rgba(0,0,0,.35) 62%,transparent 100%);
  -webkit-mask-image:linear-gradient(180deg,#000 0%,rgba(0,0,0,.35) 62%,transparent 100%);
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(7,11,20,.82) 0%,rgba(7,11,20,.92) 70%,var(--bg) 100%);
}
.page-hero .container{position:relative;z-index:2;}
.hero-body{
  max-width:820px;
  margin-top:22px;
}
.badge-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 15px;
  border-radius:999px;
  background:rgba(25,211,197,.1);
  border:1px solid rgba(25,211,197,.28);
  color:var(--primary);
  font-size:13.5px;
  font-weight:600;
  letter-spacing:.04em;
}
.page-hero h1{
  margin:18px 0 16px;
  font-size:clamp(1.9rem,4.1vw,2.85rem);
  font-weight:800;
  line-height:1.28;
}
.page-hero .hero-sub{
  color:var(--muted);
  font-size:17.5px;
  max-width:660px;
  margin-bottom:26px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.hero-facts{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.hero-facts li{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:9px 16px;
  border-radius:999px;
  background:rgba(16,26,44,.55);
  border:1px solid var(--glass-border);
  font-size:14px;
  color:var(--muted);
}
.hero-facts i{color:var(--primary);}

/* ---------- sections ---------- */
.section{padding:78px 0;position:relative;}
.section-tight{padding:56px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{
  font-size:clamp(1.55rem,2.7vw,2.15rem);
  margin-bottom:14px;
}
.section-head p{color:var(--muted);margin:0;}
.eyebrow{
  display:block;
  color:var(--primary);
  font-size:13.5px;
  font-weight:700;
  letter-spacing:.16em;
  text-transform:uppercase;
  margin-bottom:12px;
}

/* ---------- timeline ---------- */
.step-list{position:relative;padding-left:6px;}
.step-list::before{
  content:"";
  position:absolute;
  left:27px;top:14px;bottom:14px;
  width:2px;
  background:linear-gradient(180deg,rgba(25,211,197,.6),rgba(25,211,197,.06));
}
.step{
  position:relative;
  display:flex;
  gap:20px;
  padding:0 0 26px;
}
.step:last-child{padding-bottom:0;}
.step-idx{
  flex:0 0 54px;
  width:54px;height:54px;
  border-radius:18px;
  display:grid;place-items:center;
  font-weight:800;
  font-size:17px;
  color:var(--primary);
  background:rgba(16,26,44,.92);
  border:1px solid rgba(25,211,197,.32);
  box-shadow:0 0 0 6px rgba(7,11,20,.9);
  z-index:1;
}
.step-card{
  flex:1;
  background:var(--glass);
  border:1px solid var(--glass-border);
  border-radius:var(--r-card);
  padding:24px 26px;
  backdrop-filter:blur(12px);
  box-shadow:var(--sh-1);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.step-card:hover{
  transform:translateY(-4px);
  border-color:rgba(25,211,197,.45);
  box-shadow:var(--sh-2);
}
.step-card h3{font-size:1.2rem;margin-bottom:9px;}
.step-card p{color:var(--muted);font-size:15.8px;margin-bottom:12px;}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 13px;
  border-radius:999px;
  font-size:13px;
  background:rgba(25,211,197,.09);
  border:1px solid rgba(25,211,197,.2);
  color:#9BEDE5;
}
.chip.warn{background:rgba(255,184,77,.1);border-color:rgba(255,184,77,.26);color:#FFD79A;}

/* ---------- sticky summary ---------- */
.summary-card{
  position:sticky;
  top:96px;
  background:var(--glass);
  border:1px solid var(--glass-border);
  border-radius:var(--r-card);
  padding:26px;
  backdrop-filter:blur(14px);
  box-shadow:var(--sh-1);
}
.summary-card h3{
  font-size:1.1rem;
  margin-bottom:16px;
  padding-bottom:14px;
  border-bottom:1px solid var(--line);
}
.status-line{
  display:flex;
  align-items:center;
  gap:11px;
  padding:12px 14px;
  border-radius:14px;
  background:rgba(64,217,139,.09);
  border:1px solid rgba(64,217,139,.26);
  margin-bottom:18px;
  font-size:14.5px;
  color:#B6F3D2;
}
.status-dot{
  width:9px;height:9px;
  border-radius:50%;
  background:var(--ok);
  box-shadow:0 0 0 4px rgba(64,217,139,.18),0 0 12px rgba(64,217,139,.9);
  flex:0 0 auto;
}
.summary-list{display:flex;flex-direction:column;gap:12px;margin-bottom:20px;}
.summary-list li{
  display:flex;
  gap:11px;
  font-size:14.8px;
  color:var(--muted);
  line-height:1.65;
}
.summary-list i{color:var(--primary);margin-top:5px;font-size:12px;}
.summary-links{
  display:flex;
  flex-direction:column;
  gap:8px;
  padding-top:18px;
  border-top:1px solid var(--line);
  margin-bottom:18px;
}
.summary-links a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:44px;
  padding:0 14px;
  border-radius:12px;
  background:rgba(16,26,44,.6);
  border:1px solid var(--line);
  color:var(--text);
  font-size:14.5px;
}
.summary-links a:hover{
  border-color:rgba(25,211,197,.5);
  background:rgba(25,211,197,.1);
}
.summary-links a i{color:var(--primary);transition:transform .2s ease;}
.summary-links a:hover i{transform:translateX(4px);}

/* ---------- split / media ---------- */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:center;
}
.split.reverse .split-media{order:2;}
.media-frame{
  position:relative;
  border-radius:22px;
  overflow:hidden;
  border:1px solid var(--glass-border);
  box-shadow:var(--sh-2);
}
.media-frame img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform .5s ease;
}
.media-frame:hover img{transform:scale(1.03);}
.media-frame::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(7,11,20,.05),rgba(7,11,20,.55));
}
.media-badge{
  position:absolute;
  left:18px;bottom:18px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:9px 16px;
  border-radius:999px;
  background:rgba(11,18,32,.8);
  border:1px solid var(--glass-border);
  backdrop-filter:blur(10px);
  font-size:13.5px;
  color:var(--text);
}
.media-badge i{color:var(--primary);}
.check-list{display:flex;flex-direction:column;gap:14px;margin-top:24px;}
.check-list li{
  display:flex;
  gap:13px;
  font-size:15.8px;
  color:var(--muted);
}
.check-list .tick{
  flex:0 0 26px;
  width:26px;height:26px;
  border-radius:9px;
  display:grid;place-items:center;
  background:rgba(25,211,197,.12);
  border:1px solid rgba(25,211,197,.28);
  color:var(--primary);
  font-size:12px;
  margin-top:3px;
}
.check-list strong{color:var(--text);font-weight:600;}

/* ---------- status rows ---------- */
.panel{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px 30px;
  box-shadow:var(--sh-1);
}
.row-list{display:flex;flex-direction:column;}
.row-item{
  display:grid;
  grid-template-columns:200px 1fr auto;
  gap:22px;
  align-items:center;
  padding:22px 4px;
  border-bottom:1px dashed var(--line);
}
.row-item:last-child{border-bottom:none;}
.row-item .row-title{
  display:flex;
  align-items:center;
  gap:11px;
  font-weight:600;
  font-size:16px;
}
.row-dot{
  width:10px;height:10px;border-radius:50%;flex:0 0 auto;
}
.row-dot.ok{background:var(--ok);box-shadow:0 0 10px rgba(64,217,139,.8);}
.row-dot.warn{background:var(--accent);box-shadow:0 0 10px rgba(255,184,77,.8);}
.row-dot.danger{background:var(--danger);box-shadow:0 0 10px rgba(255,92,122,.8);}
.row-item p{color:var(--muted);font-size:15.2px;margin:0;}
.row-advice{
  font-size:13.5px;
  padding:7px 14px;
  border-radius:999px;
  background:rgba(16,26,44,.8);
  border:1px solid var(--glass-border);
  color:#9BEDE5;
  white-space:nowrap;
}

/* ---------- faq ---------- */
.accordion.custom-accordion .accordion-item{
  background:var(--glass);
  border:1px solid var(--glass-border);
  border-radius:18px;
  margin-bottom:12px;
  overflow:hidden;
  backdrop-filter:blur(12px);
  transition:border-color .25s ease,box-shadow .25s ease;
}
.accordion.custom-accordion .accordion-item:has(.accordion-button:not(.collapsed)){
  border-color:rgba(25,211,197,.55);
  box-shadow:var(--glow);
}
.accordion.custom-accordion .accordion-button{
  background:transparent;
  color:var(--text);
  font-size:16.5px;
  font-weight:600;
  padding:20px 56px 20px 22px;
  box-shadow:none;
  border:none;
  line-height:1.6;
}
.accordion.custom-accordion .accordion-button:not(.collapsed){color:var(--primary);}
.accordion.custom-accordion .accordion-button:focus{box-shadow:none;outline:none;}
.accordion.custom-accordion .accordion-button::after{
  display:none;
}
.accordion.custom-accordion .accordion-button .faq-icon{
  position:absolute;
  right:20px;top:50%;
  transform:translateY(-50%);
  width:28px;height:28px;
  border-radius:9px;
  display:grid;place-items:center;
  background:rgba(25,211,197,.12);
  border:1px solid rgba(25,211,197,.3);
  color:var(--primary);
  font-size:12px;
  transition:transform .25s ease,background .25s ease;
}
.accordion.custom-accordion .accordion-button:not(.collapsed) .faq-icon{
  transform:translateY(-50%) rotate(180deg);
  background:rgba(25,211,197,.22);
}
.accordion.custom-accordion .accordion-body{
  padding:0 22px 22px;
  color:var(--muted);
  font-size:15.6px;
  border-top:1px solid var(--line);
  margin-top:0;
  padding-top:18px;
}
.accordion.custom-accordion .accordion-body p:last-child{margin-bottom:0;}

/* ---------- cta ---------- */
.cta-panel{
  position:relative;
  border-radius:26px;
  padding:52px 48px;
  background:linear-gradient(135deg,rgba(16,26,44,.92),rgba(11,18,32,.92));
  border:1px solid var(--glass-border);
  overflow:hidden;
  box-shadow:var(--sh-2);
}
.cta-panel::before{
  content:"";
  position:absolute;
  inset:0;
  background:url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  opacity:.16;
}
.cta-panel::after{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(520px 260px at 88% 12%,rgba(25,211,197,.22),transparent 70%);
}
.cta-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.4fr 1fr;
  gap:40px;
  align-items:center;
}
.cta-inner h2{font-size:clamp(1.5rem,2.6vw,2rem);margin-bottom:14px;}
.cta-inner p{color:var(--muted);margin:0;font-size:16px;}
.cta-actions{display:flex;flex-direction:column;gap:12px;}

/* ---------- footer ---------- */
.site-footer{
  margin-top:88px;
  background:var(--bg-2);
  border-top:1px solid var(--line);
  padding:64px 0 26px;
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:44px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:11px;
  margin-bottom:16px;
}
.footer-brand strong{font-size:17px;letter-spacing:.02em;}
.footer-desc{color:var(--muted);font-size:15px;max-width:380px;}
.footer-contact{display:flex;flex-direction:column;gap:10px;margin-top:18px;font-size:14.5px;}
.footer-contact span{display:flex;align-items:center;gap:10px;color:var(--muted);}
.footer-contact i{color:var(--primary);}
.footer-contact a{color:var(--muted);}
.footer-contact a:hover{color:var(--primary);}
.footer-col h4{font-size:15.5px;margin-bottom:18px;color:var(--text);}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col li a,.footer-col li span{
  color:var(--muted);
  font-size:14.6px;
  display:inline-block;
  min-height:24px;
}
.footer-col li a:hover{color:var(--primary);transform:translateX(2px);}
.footer-bottom{
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  justify-content:space-between;
  align-items:center;
  color:var(--muted);
  font-size:14px;
}
.footer-legal{display:flex;flex-wrap:wrap;gap:20px;}
.footer-legal a{color:var(--muted);}
.footer-legal a:hover{color:var(--primary);}

/* ---------- back to top ---------- */
.to-top{
  position:fixed;
  right:22px;bottom:24px;
  width:48px;height:48px;
  border-radius:50%;
  display:grid;place-items:center;
  background:rgba(16,26,44,.85);
  border:1px solid var(--glass-border);
  color:var(--primary);
  backdrop-filter:blur(10px);
  opacity:0;
  visibility:hidden;
  transform:translateY(12px);
  transition:.28s ease;
  z-index:1020;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{border-color:rgba(25,211,197,.6);box-shadow:var(--glow);color:var(--primary);}

/* ---------- responsive ---------- */
@media (max-width:1399.98px){
  :root{--container:1200px;}
}
@media (max-width:1199.98px){
  :root{--container:1040px;--pad-x:22px;}
  .main-nav .nav-link{padding:0 11px;font-size:15px;}
  .split{gap:36px;}
  .footer-grid{gap:32px;}
}
@media (max-width:991.98px){
  body{font-size:16px;}
  .section{padding:60px 0;}
  .crumb-bar{padding-top:94px;}
  .page-hero{padding:18px 0 48px;}
  .split{grid-template-columns:1fr;gap:30px;}
  .split.reverse .split-media{order:0;}
  .summary-card{position:static;margin-top:34px;}
  .cta-inner{grid-template-columns:1fr;gap:26px;}
  .cta-panel{padding:40px 30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .row-item{grid-template-columns:1fr;gap:10px;padding:20px 0;}
  .row-advice{justify-self:start;}
}
@media (max-width:767.98px){
  :root{--pad-x:18px;}
  .page-hero h1{font-size:1.78rem;}
  .hero-sub{font-size:16px;}
  .step-card{padding:20px 20px;}
  .step-idx{flex:0 0 46px;width:46px;height:46px;border-radius:15px;font-size:15px;}
  .step-list::before{left:23px;}
  .panel{padding:22px 20px;}
  .cta-panel{padding:34px 22px;border-radius:22px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:575.98px){
  body{font-size:15.8px;}
  .hero-cta{flex-direction:column;}
  .hero-cta .btn{width:100%;}
  .btn{width:auto;}
  .hero-facts li{width:100%;justify-content:flex-start;}
  .accordion.custom-accordion .accordion-button{font-size:15.6px;padding:17px 50px 17px 18px;}
  .glass,.step-card,.summary-card,.cta-panel{backdrop-filter:none;-webkit-backdrop-filter:none;}
  .to-top{right:14px;bottom:16px;}
}

/* roulang page: category2 */
:root{
  --bg:#070B14;
  --bg-2:#0B1220;
  --panel:#101A2C;
  --glass:rgba(16,26,44,.62);
  --glass-border:rgba(120,220,255,.16);
  --primary:#19D3C5;
  --primary-dark:#0FA89E;
  --accent:#FFB84D;
  --violet:#6D5DFC;
  --success:#40D98B;
  --danger:#FF5C7A;
  --text:#EAF6FF;
  --muted:#93A7BD;
  --line:rgba(147,167,189,.18);
  --r-card:20px;
  --r-btn:13px;
  --r-img:16px;
  --sh-1:0 12px 40px rgba(0,0,0,.35);
  --sh-2:0 18px 50px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(25,211,197,.25), 0 0 28px rgba(25,211,197,.22);
  --pad-y:96px;
  --pad-y-sm:56px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
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:17px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background:
    radial-gradient(900px 520px at 12% -6%, rgba(25,211,197,.14), transparent 62%),
    radial-gradient(760px 460px at 96% 8%, rgba(109,93,252,.12), transparent 66%),
    radial-gradient(620px 420px at 50% 112%, rgba(255,184,77,.07), transparent 70%);
  z-index:0;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color .25s ease,opacity .25s ease}
a:hover{color:#5BE7DC}
button{font-family:inherit}
h1,h2,h3,h4{font-weight:700;letter-spacing:.02em;line-height:1.3;margin:0}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul{padding-left:0;list-style:none;margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:8px}

.container{width:100%;max-width:1220px;margin:0 auto;padding:0 22px;position:relative;z-index:2}
.section{padding:var(--pad-y) 0;position:relative}
.section-head{max-width:760px;margin-bottom:46px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;color:var(--primary);
  padding:7px 14px;border-radius:999px;
  background:rgba(25,211,197,.08);
  border:1px solid rgba(25,211,197,.24);
  margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 12px var(--primary)}
h1{font-size:clamp(2.1rem,3.6vw,3.1rem);font-weight:800;letter-spacing:.02em}
h2{font-size:clamp(1.6rem,2.4vw,2.15rem)}
h3{font-size:1.25rem}
.lead{color:var(--muted);font-size:1.06rem;line-height:1.85}
.text-muted-2{color:var(--muted)}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(9,15,26,.55);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(120,220,255,.10);
  transition:background .3s ease,box-shadow .3s ease,padding .3s ease;
  padding:10px 0;
}
.site-header.is-scrolled{
  background:rgba(11,18,32,.96);
  box-shadow:0 14px 40px rgba(0,0,0,.45);
  border-bottom-color:rgba(120,220,255,.14);
  padding:4px 0;
}
.header-inner{display:flex;align-items:center;gap:26px}
.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;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--primary),var(--primary-dark));
  color:#04140F;font-weight:800;font-size:1.15rem;
  box-shadow:0 0 0 1px rgba(25,211,197,.4),0 0 22px rgba(25,211,197,.32);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:1.02rem;font-weight:800;letter-spacing:.02em}
.brand-text small{font-size:11px;color:var(--muted);letter-spacing:.08em}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.main-nav .nav-link{
  position:relative;color:var(--muted);font-size:.95rem;font-weight:500;
  padding:10px 14px;border-radius:999px;white-space:nowrap;
  transition:color .25s ease,background .25s ease;
}
.main-nav .nav-link:hover{color:var(--text);background:rgba(120,220,255,.07)}
.main-nav .nav-link.active{
  color:var(--text);
  background:rgba(25,211,197,.12);
  box-shadow:inset 0 0 0 1px rgba(25,211,197,.32);
}
.main-nav .nav-link.active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  bottom:3px;width:22px;height:2px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 12px var(--primary);
}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:10px}
.icon-btn{
  width:42px;height:42px;border-radius:12px;
  display:grid;place-items:center;
  background:rgba(120,220,255,.06);
  border:1px solid var(--glass-border);
  color:var(--text);cursor:pointer;
  transition:background .25s ease,border-color .25s ease,transform .2s ease;
}
.icon-btn:hover{background:rgba(25,211,197,.14);border-color:rgba(25,211,197,.4);transform:translateY(-1px)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:12px 24px;border-radius:var(--r-btn);
  font-size:.95rem;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:all .25s ease;text-align:center;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  color:#04140F;
  box-shadow:0 0 0 1px rgba(25,211,197,.35),0 10px 30px rgba(25,211,197,.25);
}
.btn-primary:hover{color:#04140F;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(25,211,197,.5),0 16px 40px rgba(25,211,197,.38)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{
  background:rgba(120,220,255,.05);
  border-color:var(--glass-border);
  color:var(--text);
}
.btn-ghost:hover{background:rgba(25,211,197,.14);border-color:rgba(25,211,197,.42);color:var(--text);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-block{width:100%}
.nav-toggle{
  margin-left:auto;width:44px;height:44px;border-radius:12px;
  background:rgba(120,220,255,.07);border:1px solid var(--glass-border);
  color:var(--text);display:grid;place-items:center;cursor:pointer;
}
.search-layer{
  max-height:0;overflow:hidden;transition:max-height .35s ease;
  border-top:1px solid transparent;
}
.search-layer.open{max-height:120px;border-top-color:rgba(120,220,255,.10)}
.search-inner{display:flex;gap:12px;padding:16px 0 18px}
.search-inner input{
  flex:1;height:48px;border-radius:var(--r-btn);
  background:rgba(7,11,20,.7);border:1px solid var(--glass-border);
  color:var(--text);padding:0 16px;font-size:.95rem;
}
.search-inner input::placeholder{color:#6C809A}
.search-inner input:focus{outline:none;border-color:var(--primary);box-shadow:var(--glow)}

.offcanvas{
  background:rgba(11,18,32,.98);
  backdrop-filter:blur(18px);
  border-left:1px solid var(--glass-border);
  color:var(--text);
}
.offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px}
.offcanvas-title{font-size:1rem;font-weight:700}
.offcanvas-body{padding:18px 20px 26px;display:flex;flex-direction:column;gap:6px}
.offcanvas .nav-link{
  padding:14px 16px;border-radius:14px;color:var(--muted);
  font-size:1rem;display:flex;justify-content:space-between;align-items:center;
  border:1px solid transparent;
}
.offcanvas .nav-link:hover{color:var(--text);background:rgba(120,220,255,.07)}
.offcanvas .nav-link.active{
  color:var(--text);background:rgba(25,211,197,.12);
  border-color:rgba(25,211,197,.32);
}
.offcanvas .mobile-cta{margin-top:auto;padding-top:18px;border-top:1px solid var(--line)}
.btn-close-custom{background:none;border:none;color:var(--muted);font-size:1.2rem;cursor:pointer}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:152px 0 74px;
  background:
    linear-gradient(180deg,rgba(7,11,20,.78) 0%,rgba(7,11,20,.9) 62%,var(--bg) 100%),
    url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(120,220,255,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(120,220,255,.05) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(circle at 30% 30%,#000 0%,transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 30% 30%,#000 0%,transparent 72%);
}
.breadcrumb-bar{
  display:inline-flex;align-items:center;gap:10px;
  padding:8px 16px;border-radius:999px;
  background:rgba(16,26,44,.6);
  border:1px solid var(--glass-border);
  font-size:.86rem;color:var(--muted);
  backdrop-filter:blur(10px);
  margin-bottom:24px;
}
.breadcrumb-bar a{color:var(--muted)}
.breadcrumb-bar a:hover{color:var(--primary)}
.breadcrumb-bar .sep{opacity:.5}
.breadcrumb-bar .current{color:var(--primary)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:center}
.hero h1{margin-bottom:20px}
.hero .lead{max-width:600px;font-size:1.08rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-side{
  background:var(--glass);
  border:1px solid var(--glass-border);
  border-radius:var(--r-card);
  padding:26px;
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:var(--sh-1);
  position:relative;
  overflow:hidden;
}
.hero-side::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(25,211,197,.6),transparent);
}
.hero-side h3{font-size:1rem;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.status-dot{width:8px;height:8px;border-radius:50%;background:var(--success);box-shadow:0 0 12px var(--success)}
.side-list{display:flex;flex-direction:column;gap:10px;margin-bottom:20px}
.side-list li{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 14px;border-radius:12px;
  background:rgba(7,11,20,.5);
  border:1px solid var(--line);
  font-size:.92rem;color:var(--text);
}
.side-list li span:last-child{color:var(--muted);font-size:.82rem}
.side-foot{
  display:flex;align-items:center;gap:10px;font-size:.84rem;color:var(--muted);
  padding-top:16px;border-top:1px solid var(--line);
}

/* ---------- 通用卡片 ---------- */
.glass-card{
  background:var(--glass);
  border:1px solid var(--glass-border);
  border-radius:var(--r-card);
  padding:28px;
  backdrop-filter:blur(12px);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.glass-card:hover{transform:translateY(-4px);border-color:rgba(25,211,197,.4);box-shadow:var(--sh-1)}
.solid-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px;
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.solid-card:hover{transform:translateY(-4px);border-color:rgba(25,211,197,.35);box-shadow:var(--sh-1)}
.badge-tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:.78rem;padding:5px 12px;border-radius:999px;
  background:rgba(25,211,197,.1);
  color:var(--primary);
  border:1px solid rgba(25,211,197,.24);
}
.badge-tag.amber{background:rgba(255,184,77,.1);color:var(--accent);border-color:rgba(255,184,77,.26)}
.badge-tag.violet{background:rgba(109,93,252,.12);color:#A99DFF;border-color:rgba(109,93,252,.28)}

/* ---------- 图文交替 ---------- */
.split{
  display:grid;grid-template-columns:1.05fr .95fr;
  gap:56px;align-items:center;
}
.split.reverse{grid-template-columns:.95fr 1.05fr}
.split.reverse .split-media{order:2}
.split.reverse .split-body{order:1}
.split-media{
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--glass-border);
  box-shadow:var(--sh-1);
  position:relative;
}
.split-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  transition:transform .6s ease;
}
.split-media:hover img{transform:scale(1.04)}
.split-body h2{margin-bottom:16px}
.feature-list{display:flex;flex-direction:column;gap:14px;margin-top:24px}
.feature-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding:14px 16px;border-radius:14px;
  background:rgba(16,26,44,.5);
  border:1px solid var(--line);
}
.feature-list i{color:var(--primary);margin-top:4px}
.feature-list strong{display:block;font-size:.98rem;margin-bottom:3px}
.feature-list span{font-size:.9rem;color:var(--muted);line-height:1.7}

/* ---------- 功能清单 ---------- */
.grid-fn{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-fn .span-2{grid-column:span 2}
.fn-card{
  background:linear-gradient(160deg,rgba(16,26,44,.92),rgba(11,18,32,.92));
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px;
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.fn-card:hover{transform:translateY(-4px);border-color:rgba(25,211,197,.4);box-shadow:var(--sh-1)}
.fn-icon{
  width:48px;height:48px;border-radius:14px;
  display:grid;place-items:center;margin-bottom:18px;
  background:rgba(25,211,197,.1);color:var(--primary);
  border:1px solid rgba(25,211,197,.24);
  font-size:1.1rem;
}
.fn-card.amber .fn-icon{background:rgba(255,184,77,.1);color:var(--accent);border-color:rgba(255,184,77,.26)}
.fn-card.violet .fn-icon{background:rgba(109,93,252,.12);color:#A99DFF;border-color:rgba(109,93,252,.28)}
.fn-card h3{font-size:1.08rem;margin-bottom:10px}
.fn-card p{color:var(--muted);font-size:.94rem;margin:0}

/* ---------- 对比表 ---------- */
.table-wrap{
  border-radius:var(--r-card);
  border:1px solid var(--line);
  overflow:hidden;
  background:rgba(16,26,44,.6);
}
.table{width:100%;margin:0;color:var(--text);border-color:var(--line)}
.table thead th{
  background:rgba(25,211,197,.08);
  color:var(--primary);
  font-size:.9rem;font-weight:600;
  padding:16px 20px;border-color:rgba(25,211,197,.16);
  white-space:nowrap;
}
.table tbody td{
  padding:16px 20px;font-size:.94rem;color:var(--muted);
  border-color:var(--line);vertical-align:middle;
}
.table tbody td:first-child{color:var(--text);font-weight:600}
.table tbody tr:hover td{background:rgba(25,211,197,.04)}
.table .ok{color:var(--success)}
.table .mid{color:var(--accent)}

/* ---------- 步骤条 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.step{
  position:relative;
  background:rgba(16,26,44,.6);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 24px;
  transition:transform .3s ease,border-color .3s ease;
}
.step:hover{transform:translateY(-4px);border-color:rgba(25,211,197,.4)}
.step::before{
  counter-increment:step;content:"0" counter(step);
  display:block;font-size:1.5rem;font-weight:800;
  color:rgba(25,211,197,.5);margin-bottom:12px;
  letter-spacing:.04em;
}
.step h3{font-size:1.02rem;margin-bottom:8px}
.step p{color:var(--muted);font-size:.9rem;margin:0}

/* ---------- 双 CTA ---------- */
.cta-section{padding:var(--pad-y) 0}
.cta-panel{
  position:relative;
  border-radius:26px;
  padding:52px;
  background:
    linear-gradient(140deg,rgba(16,26,44,.92),rgba(11,18,32,.94)),
    url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
  border:1px solid var(--glass-border);
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.cta-panel::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(600px 300px at 82% 20%,rgba(25,211,197,.16),transparent 70%);
  pointer-events:none;
}
.cta-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:44px;align-items:center;position:relative}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.cta-side{
  background:rgba(7,11,20,.55);
  border:1px solid var(--glass-border);
  border-radius:var(--r-card);
  padding:24px;
  backdrop-filter:blur(10px);
}
.cta-side ul{display:flex;flex-direction:column;gap:12px}
.cta-side li{display:flex;align-items:center;gap:10px;font-size:.92rem;color:var(--muted)}
.cta-side li i{color:var(--primary)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:920px;margin:0 auto}
.accordion-item{
  background:rgba(16,26,44,.55);
  border:1px solid var(--line);
  border-radius:16px !important;
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .3s ease,box-shadow .3s ease;
}
.accordion-item:has(.accordion-button:not(.collapsed)){
  border-color:rgba(25,211,197,.42);
  box-shadow:0 0 0 1px rgba(25,211,197,.16),0 0 26px rgba(25,211,197,.14);
}
.accordion-button{
  background:transparent;color:var(--text);
  font-weight:600;font-size:1rem;
  padding:20px 24px;border:none;box-shadow:none !important;
  display:flex;align-items:center;gap:16px;
}
.accordion-button:not(.collapsed){color:var(--primary);background:rgba(25,211,197,.05)}
.accordion-button::after{
  content:"+";background-image:none !important;
  width:28px;height:28px;flex:0 0 28px;
  display:grid;place-items:center;
  border-radius:50%;
  background:rgba(25,211,197,.1);
  color:var(--primary);font-size:1.15rem;line-height:1;
  margin-left:auto;transform:none;
  transition:background .3s ease,color .3s ease;
}
.accordion-button:not(.collapsed)::after{content:"–";background:rgba(25,211,197,.2)}
.accordion-body{
  padding:0 24px 22px;
  color:var(--muted);font-size:.95rem;line-height:1.85;
  border-top:1px solid transparent;
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#080D18;
  border-top:1px solid var(--line);
  padding:72px 0 0;
  position:relative;z-index:2;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:44px;
  padding-bottom:50px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand .brand-mark{width:38px;height:38px;flex:0 0 38px;border-radius:11px;font-size:1.05rem}
.footer-brand strong{font-size:1rem}
.footer-desc{color:var(--muted);font-size:.92rem;line-height:1.8;max-width:340px}
.footer-contact{display:flex;flex-direction:column;gap:10px;margin-top:18px}
.footer-contact span{display:flex;align-items:center;gap:9px;font-size:.9rem;color:var(--muted)}
.footer-contact i{color:var(--primary)}
.footer-contact a{color:var(--muted)}
.footer-contact a:hover{color:var(--primary)}
.footer-col h4{font-size:.98rem;margin-bottom:18px;color:var(--text)}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col li a,.footer-col li span{color:var(--muted);font-size:.9rem}
.footer-col li a:hover{color:var(--primary)}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:22px 0;
  display:flex;flex-wrap:wrap;gap:14px;
  align-items:center;justify-content:space-between;
  font-size:.86rem;color:#7C8FA6;
}
.footer-legal{display:flex;flex-wrap:wrap;gap:18px}
.footer-legal a{color:#7C8FA6}
.footer-legal a:hover{color:var(--primary)}

.return-top{
  position:fixed;right:22px;bottom:26px;z-index:1040;
  width:46px;height:46px;border-radius:14px;
  display:grid;place-items:center;
  background:rgba(16,26,44,.9);
  border:1px solid var(--glass-border);
  color:var(--primary);cursor:pointer;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:all .3s ease;
}
.return-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.return-top:hover{background:rgba(25,211,197,.16);box-shadow:var(--glow)}

/* ---------- 响应式 ---------- */
@media (max-width:1399px){
  :root{--pad-y:88px}
}
@media (max-width:1199px){
  .container{max-width:1040px}
  .main-nav .nav-link{padding:9px 11px;font-size:.9rem}
  .grid-fn{grid-template-columns:repeat(2,1fr)}
  .grid-fn .span-2{grid-column:span 2}
  .split,.split.reverse{gap:40px}
  .steps{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  :root{--pad-y:72px}
  .hero{padding:126px 0 60px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .split,.split.reverse{grid-template-columns:1fr;gap:32px}
  .split.reverse .split-media,.split.reverse .split-body{order:0}
  .cta-grid{grid-template-columns:1fr;gap:32px}
  .cta-panel{padding:38px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .glass-card,.solid-card,.fn-card{padding:24px}
}
@media (max-width:767px){
  :root{--pad-y:var(--pad-y-sm)}
  body{font-size:16px}
  .section-head{margin-bottom:32px}
  .grid-fn{grid-template-columns:1fr}
  .grid-fn .span-2{grid-column:span 1}
  .steps{grid-template-columns:1fr}
  .hero{padding:112px 0 52px}
  .hero-actions{gap:12px}
  .hero-actions .btn{flex:1 1 100%}
  .search-inner{flex-direction:column}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .table thead th,.table tbody td{padding:13px 14px;font-size:.88rem;white-space:normal}
  .cta-panel{padding:30px 22px;border-radius:20px}
  .cta-actions .btn{flex:1 1 100%}
}
@media (max-width:575px){
  .container{padding:0 16px}
  .brand-text small{display:none}
  .brand-mark{width:36px;height:36px;flex:0 0 36px;font-size:1rem}
  .hero h1{font-size:1.85rem}
  .glass-card,.solid-card,.fn-card,.step,.cta-side{padding:20px}
  .accordion-button{padding:16px 18px;font-size:.95rem}
  .accordion-body{padding:0 18px 18px}
  .return-top{right:14px;bottom:16px}
  .hero-side,.glass-card,.cta-side{backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
}

/* roulang page: category3 */
:root{
  --bg:#070B14;
  --bg-2:#0B1220;
  --panel:#101A2C;
  --glass:rgba(16,26,44,.62);
  --glass-strong:rgba(16,26,44,.86);
  --glass-border:rgba(120,220,255,.16);
  --primary:#19D3C5;
  --primary-deep:#0FA89E;
  --accent:#FFB84D;
  --violet:#6D5DFC;
  --success:#40D98B;
  --danger:#FF5C7A;
  --text:#EAF6FF;
  --muted:#93A7BD;
  --line:rgba(147,167,189,.18);
  --radius-card:20px;
  --radius-btn:13px;
  --shadow-1:0 12px 40px rgba(0,0,0,.35);
  --shadow-2:0 18px 50px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(25,211,197,.25),0 0 28px rgba(25,211,197,.22);
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{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:16.5px;line-height:1.75;letter-spacing:.01em;overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(720px 420px at 12% -6%,rgba(25,211,197,.13),transparent 62%),
    radial-gradient(620px 420px at 92% 8%,rgba(109,93,252,.12),transparent 60%),
    radial-gradient(560px 380px at 60% 100%,rgba(255,184,77,.07),transparent 65%);
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color .22s ease,opacity .22s ease}
a:hover{color:#5BE9DE}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:.02em;line-height:1.32}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px}
.container-custom{width:100%;max-width:1220px;margin:0 auto;padding:0 22px;position:relative;z-index:1}

/* ===== Header / Nav ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1040;
  transition:background .3s ease,box-shadow .3s ease,padding .3s ease,border-color .3s ease;
  border-bottom:1px solid transparent;padding:14px 0;
  background:linear-gradient(180deg,rgba(7,11,20,.72),rgba(7,11,20,.28));
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.site-header.scrolled{
  padding:8px 0;background:rgba(11,18,32,.96);
  border-bottom-color:var(--line);box-shadow:0 12px 34px rgba(0,0,0,.42);
}
.header-inner{display:flex;align-items:center;gap:18px}
.brand{display:flex;align-items:center;gap:11px;color:var(--text);flex-shrink:0}
.brand:hover{color:var(--text)}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),#0E8F92);
  color:#04231F;font-weight:800;font-size:18px;
  box-shadow:0 0 0 1px rgba(25,211,197,.35),0 0 20px rgba(25,211,197,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:16px;font-weight:800;letter-spacing:.02em}
.brand-text span{font-size:11.5px;color:var(--muted);letter-spacing:.14em}
.main-nav{display:flex;align-items:center;gap:4px;margin:0 auto}
.main-nav .nav-link{
  color:var(--muted);font-size:15px;font-weight:500;padding:9px 14px;border-radius:999px;
  position:relative;transition:color .22s ease,background .22s ease;
}
.main-nav .nav-link:hover{color:var(--text);background:rgba(25,211,197,.09)}
.main-nav .nav-link.active{
  color:var(--primary);background:rgba(25,211,197,.12);
  box-shadow:inset 0 0 0 1px rgba(25,211,197,.28);
}
.main-nav .nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:16px;height:2px;border-radius:2px;background:var(--primary);
  box-shadow:0 0 10px rgba(25,211,197,.8);
}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-nav-cta{
  display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 20px;border-radius:var(--radius-btn);
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));color:#04231F;font-weight:700;font-size:15px;
  box-shadow:var(--glow);transition:transform .2s ease,box-shadow .25s ease,filter .2s ease;
}
.btn-nav-cta:hover{color:#04231F;transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 0 0 1px rgba(25,211,197,.4),0 0 34px rgba(25,211,197,.4)}
.btn-nav-cta:active{transform:translateY(1px)}
.nav-toggle{
  width:46px;height:46px;border-radius:12px;border:1px solid var(--glass-border);
  background:var(--glass);color:var(--text);display:grid;place-items:center;font-size:17px;
}
.nav-toggle:hover{border-color:rgba(25,211,197,.45);color:var(--primary)}
.offcanvas.offcanvas-end{background:rgba(9,15,26,.98);color:var(--text);border-left:1px solid var(--glass-border);width:300px}
.offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px}
.offcanvas-body{padding:18px 20px 26px;display:flex;flex-direction:column;gap:8px}
.mobile-nav-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 14px;border-radius:12px;color:var(--muted);
  font-size:16px;border:1px solid transparent;
}
.mobile-nav-link:hover,.mobile-nav-link.active{color:var(--primary);background:rgba(25,211,197,.1);border-color:rgba(25,211,197,.22)}
.mobile-cta{margin-top:auto;padding-top:16px}
.mobile-cta .btn-nav-cta{width:100%;justify-content:center}

/* ===== Hero ===== */
.hero-page{
  position:relative;padding:158px 0 66px;overflow:hidden;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center 30%;
}
.hero-page::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,11,20,.88),rgba(7,11,20,.76) 55%,var(--bg) 100%);
}
.hero-page::after{
  content:"";position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(120,220,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(120,220,255,.05) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 30% 30%,#000,transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 30% 30%,#000,transparent 72%);
}
.hero-page .container-custom{position:relative;z-index:2}
.breadcrumb-bar{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:20px;flex-wrap:wrap}
.breadcrumb-bar a{color:var(--muted)}
.breadcrumb-bar a:hover{color:var(--primary)}
.breadcrumb-bar .sep{opacity:.6}
.breadcrumb-bar .current{color:var(--primary)}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;
  background:rgba(255,184,77,.12);border:1px solid rgba(255,184,77,.3);color:var(--accent);
  font-size:13px;font-weight:600;letter-spacing:.06em;margin-bottom:18px;
}
.hero-page h1{
  font-size:clamp(1.9rem,3.4vw,2.85rem);max-width:900px;margin-bottom:18px;
}
.hero-page h1 em{font-style:normal;color:var(--primary);text-shadow:0 0 26px rgba(25,211,197,.45)}
.hero-lead{max-width:720px;color:#C7D8E8;font-size:17px;margin-bottom:34px}

/* 搜索条 */
.search-panel{
  max-width:760px;border-radius:18px;padding:16px;
  background:var(--glass);border:1px solid var(--glass-border);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  box-shadow:var(--shadow-1);
}
.search-panel form{display:flex;gap:12px;align-items:center}
.search-field{flex:1;position:relative}
.search-field i{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:15px}
.search-field input{
  width:100%;height:50px;border-radius:13px;padding:0 16px 0 44px;
  background:rgba(7,11,20,.72);border:1px solid var(--line);color:var(--text);font-size:15.5px;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.search-field input::placeholder{color:#6F8298}
.search-field input:focus{outline:none;border-color:rgba(25,211,197,.55);box-shadow:0 0 0 1px rgba(25,211,197,.3),0 0 22px rgba(25,211,197,.18)}
.btn-search{
  min-height:50px;padding:0 24px;border-radius:13px;border:none;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));color:#04231F;font-weight:700;font-size:15px;
  box-shadow:var(--glow);cursor:pointer;transition:transform .2s ease,filter .2s ease;
}
.btn-search:hover{transform:translateY(-2px);filter:brightness(1.08)}
.search-hint{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
.search-hint span{
  font-size:13px;color:var(--muted);padding:5px 12px;border-radius:999px;
  background:rgba(147,167,189,.09);border:1px solid var(--line);
}

/* ===== 主体双栏 ===== */
.section{padding:88px 0;position:relative;z-index:1}
.section-tight{padding:66px 0}
.layout-grid{display:grid;grid-template-columns:280px minmax(0,1fr);gap:34px;align-items:start}
.toc-panel{
  position:sticky;top:104px;border-radius:var(--radius-card);padding:24px;
  background:var(--glass);border:1px solid var(--glass-border);box-shadow:var(--shadow-1);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.toc-panel h3{font-size:16px;margin-bottom:6px}
.toc-panel .toc-sub{font-size:12.5px;color:var(--muted);letter-spacing:.08em;margin-bottom:16px}
.toc-list{display:flex;flex-direction:column;gap:4px}
.toc-list a{
  display:flex;align-items:center;gap:10px;min-height:44px;padding:8px 12px;border-radius:11px;
  color:var(--muted);font-size:14.5px;border-left:2px solid transparent;transition:all .22s ease;
}
.toc-list a:hover{color:var(--text);background:rgba(25,211,197,.08);border-left-color:var(--primary)}
.toc-list a i{font-size:12px;color:var(--primary);opacity:.8}
.toc-note{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);line-height:1.7;
}

.content-area{display:flex;flex-direction:column;gap:26px}
.content-card{
  border-radius:var(--radius-card);padding:32px;
  background:rgba(16,26,44,.72);border:1px solid var(--line);box-shadow:var(--shadow-1);
  transition:border-color .26s ease,transform .26s ease,box-shadow .26s ease;
}
.content-card:hover{border-color:rgba(25,211,197,.28);transform:translateY(-3px);box-shadow:var(--shadow-2)}
.content-card h2{
  font-size:clamp(1.35rem,2.1vw,1.6rem);margin-bottom:16px;display:flex;align-items:center;gap:12px;
}
.num-chip{
  width:34px;height:34px;border-radius:11px;flex-shrink:0;display:grid;place-items:center;
  background:rgba(25,211,197,.14);border:1px solid rgba(25,211,197,.3);color:var(--primary);
  font-size:14px;font-weight:800;font-family:"DIN Alternate",ui-monospace,monospace;
}
.content-card p{color:#C2D3E3;margin-bottom:14px}
.content-card p:last-child{margin-bottom:0}
.tip-list{display:flex;flex-direction:column;gap:12px;margin-top:8px}
.tip-list li{
  display:flex;gap:12px;padding:14px 16px;border-radius:14px;
  background:rgba(7,11,20,.5);border:1px solid var(--line);color:#BCCEDF;font-size:15.5px;
}
.tip-list li i{color:var(--primary);margin-top:5px;font-size:14px;flex-shrink:0}
.tip-list li b{color:var(--text);font-weight:600}
.figure-card{border-radius:16px;overflow:hidden;border:1px solid var(--line);margin:18px 0 6px}
.figure-card img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s ease}
.figure-card:hover img{transform:scale(1.03)}
.figure-card figcaption{font-size:13px;color:var(--muted);padding:11px 16px;background:rgba(7,11,20,.6);border-top:1px solid var(--line)}

/* 状态快照 */
.status-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;
}
.status-item{
  border-radius:16px;padding:18px;background:rgba(16,26,44,.7);
  border:1px solid var(--line);transition:transform .24s ease,border-color .24s ease;
}
.status-item:hover{transform:translateY(-4px);border-color:rgba(25,211,197,.32)}
.status-item .dot{
  width:9px;height:9px;border-radius:50%;display:inline-block;margin-right:8px;
  background:var(--success);box-shadow:0 0 10px rgba(64,217,139,.7);
}
.status-item.warn .dot{background:var(--accent);box-shadow:0 0 10px rgba(255,184,77,.7)}
.status-item .label{font-size:13.5px;color:var(--muted)}
.status-item .value{font-size:16px;font-weight:700;margin-top:8px}
.status-item .desc{font-size:12.5px;color:#7E93A9;margin-top:6px}

/* 步骤 */
.steps-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.step-card{
  border-radius:18px;padding:24px 20px;position:relative;overflow:hidden;
  background:var(--glass);border:1px solid var(--glass-border);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;
}
.step-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--primary),transparent);
  opacity:.7;
}
.step-card:hover{transform:translateY(-5px);border-color:rgba(25,211,197,.35);box-shadow:var(--glow)}
.step-no{font-size:12.5px;letter-spacing:.18em;color:var(--primary);font-weight:700;margin-bottom:12px}
.step-card h3{font-size:16px;margin-bottom:9px}
.step-card p{font-size:14px;color:#A9BDD1;line-height:1.7}

/* FAQ Accordion */
.qa-group{display:flex;flex-direction:column;gap:12px}
.qa-item{
  border-radius:16px;overflow:hidden;background:var(--glass);
  border:1px solid var(--glass-border);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  transition:border-color .24s ease,box-shadow .24s ease;
}
.qa-item:hover{border-color:rgba(25,211,197,.3)}
.qa-question{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;
  min-height:60px;padding:18px 22px;background:transparent;border:none;color:var(--text);
  font-size:16px;font-weight:600;cursor:pointer;transition:color .22s ease;
}
.qa-question:hover{color:var(--primary)}
.qa-question i{color:var(--primary);font-size:15px;flex-shrink:0}
.qa-question i.fa-minus{display:none}
.qa-question:not(.collapsed) i.fa-plus{display:none}
.qa-question:not(.collapsed) i.fa-minus{display:inline-block}
.qa-item:has(.collapse.show){border-color:rgba(25,211,197,.42);box-shadow:var(--glow)}
.qa-answer{padding:0 22px 20px;color:#B4C7D9;font-size:15.5px;line-height:1.8;border-top:1px solid var(--line);padding-top:16px}

/* 提示框 */
.notice-box{
  display:flex;gap:14px;padding:18px 20px;border-radius:16px;
  background:rgba(255,184,77,.07);border:1px solid rgba(255,184,77,.26);
}
.notice-box i{color:var(--accent);font-size:17px;margin-top:4px}
.notice-box p{color:#D3C6AE;font-size:14.5px;margin:0}

/* CTA */
.cta-panel{
  border-radius:24px;padding:44px;position:relative;overflow:hidden;
  background:linear-gradient(120deg,rgba(16,26,44,.92),rgba(11,18,32,.82));
  border:1px solid var(--glass-border);box-shadow:var(--shadow-2);
  display:grid;grid-template-columns:1.35fr 1fr;gap:32px;align-items:center;
}
.cta-panel::after{
  content:"";position:absolute;right:-120px;top:-120px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(25,211,197,.22),transparent 68%);
}
.cta-panel h2{font-size:clamp(1.4rem,2.2vw,1.75rem);margin-bottom:14px;position:relative}
.cta-panel p{color:#B6C8DA;position:relative;max-width:520px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1}
.btn-primary-c{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:50px;padding:0 26px;
  border-radius:var(--radius-btn);background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#04231F;font-weight:700;font-size:15.5px;box-shadow:var(--glow);
  transition:transform .2s ease,filter .2s ease,box-shadow .25s ease;
}
.btn-primary-c:hover{color:#04231F;transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 0 0 1px rgba(25,211,197,.4),0 0 34px rgba(25,211,197,.42)}
.btn-primary-c:active{transform:translateY(1px)}
.btn-ghost-c{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:50px;padding:0 24px;
  border-radius:var(--radius-btn);background:rgba(25,211,197,.06);border:1px solid var(--glass-border);
  color:var(--text);font-weight:600;font-size:15.5px;transition:all .22s ease;
}
.btn-ghost-c:hover{color:var(--primary);border-color:rgba(25,211,197,.5);background:rgba(25,211,197,.12);transform:translateY(-2px)}

/* 页脚 */
.site-footer{
  position:relative;z-index:1;background:#080D18;border-top:1px solid var(--line);
  padding:70px 0 26px;margin-top:20px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand .brand-mark{width:36px;height:36px;border-radius:11px;font-size:17px}
.footer-brand strong{font-size:16px}
.footer-desc{color:var(--muted);font-size:14.5px;line-height:1.8;max-width:340px;margin-bottom:18px}
.footer-contact{display:flex;flex-direction:column;gap:9px;font-size:14px;color:var(--muted)}
.footer-contact i{color:var(--primary);margin-right:8px}
.footer-contact a{color:var(--muted)}
.footer-contact a:hover{color:var(--primary)}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text)}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col li a,.footer-col li span{color:var(--muted);font-size:14.5px}
.footer-col li a:hover{color:var(--primary)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  color:#7E93A9;font-size:13.5px;
}
.footer-legal{display:flex;gap:18px;flex-wrap:wrap}
.footer-legal a{color:#7E93A9}
.footer-legal a:hover{color:var(--primary)}

/* 回到顶部 */
.to-top{
  position:fixed;right:24px;bottom:26px;width:48px;height:48px;border-radius:14px;z-index:1030;
  display:grid;place-items:center;background:var(--glass-strong);border:1px solid var(--glass-border);
  color:var(--primary);box-shadow:var(--shadow-1);opacity:0;visibility:hidden;transition:all .3s ease;
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{transform:translateY(-3px);box-shadow:var(--glow);color:var(--primary)}

/* 响应式 */
@media (max-width:1199.98px){
  .container-custom{max-width:1040px}
  .main-nav .nav-link{padding:9px 11px;font-size:14.5px}
  .steps-grid{grid-template-columns:repeat(3,1fr)}
  .layout-grid{grid-template-columns:250px minmax(0,1fr);gap:26px}
}
@media (max-width:991.98px){
  .hero-page{padding:132px 0 54px}
  .layout-grid{grid-template-columns:1fr}
  .toc-panel{position:static}
  .status-strip{grid-template-columns:repeat(2,1fr)}
  .steps-grid{grid-template-columns:repeat(2,1fr)}
  .cta-panel{grid-template-columns:1fr;padding:34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .section{padding:66px 0}
}
@media (max-width:767.98px){
  body{font-size:16px}
  .section{padding:54px 0}
  .section-tight{padding:44px 0}
  .hero-page{padding:118px 0 46px}
  .content-card{padding:24px}
  .search-panel form{flex-direction:column;align-items:stretch}
  .btn-search{width:100%}
  .steps-grid{grid-template-columns:1fr}
  .cta-actions .btn-primary-c,.cta-actions .btn-ghost-c{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:575.98px){
  .status-strip{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-page h1{font-size:1.72rem}
  .brand-text strong{font-size:14.5px}
  .brand-text span{display:none}
  .site-header{backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
  .qa-question{font-size:15px;padding:16px 18px}
  .to-top{right:16px;bottom:18px}
}

/* roulang page: category4 */
:root{
  --bg:#070B14;
  --bg-2:#0B1220;
  --panel:#101A2C;
  --glass:rgba(16,26,44,.62);
  --glass-line:rgba(120,220,255,.16);
  --primary:#19D3C5;
  --primary-deep:#0FA89E;
  --accent:#FFB84D;
  --violet:#6D5DFC;
  --ok:#40D98B;
  --warn:#FFB84D;
  --danger:#FF5C7A;
  --text:#EAF6FF;
  --muted:#93A7BD;
  --line:rgba(147,167,189,.18);
  --radius-card:20px;
  --radius-btn:13px;
  --radius-img:16px;
  --shadow-1:0 12px 40px rgba(0,0,0,.35);
  --shadow-2:0 18px 50px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(25,211,197,.25),0 0 28px rgba(25,211,197,.22);
  --container:1240px;
}
*,*::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:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.75;
  letter-spacing:.01em;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background:
    radial-gradient(620px 420px at 12% -6%,rgba(25,211,197,.14),transparent 62%),
    radial-gradient(560px 400px at 88% 4%,rgba(109,93,252,.12),transparent 60%),
    radial-gradient(760px 520px at 50% 108%,rgba(25,211,197,.07),transparent 65%);
  z-index:0;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .25s ease,opacity .25s ease;}
a:hover{color:#5BE9DE;}
h1,h2,h3,h4{font-weight:800;letter-spacing:.02em;line-height:1.28;margin:0;color:#F4FBFF;}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
ul{padding-left:1.1em;margin:0;}
button,input{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}

.container{max-width:var(--container);padding-left:22px;padding-right:22px;position:relative;z-index:2;}

/* ============ 导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1040;
  background:rgba(11,18,32,.42);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(120,220,255,.10);
  transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header.is-scrolled{
  background:rgba(11,18,32,.96);
  border-bottom-color:var(--line);
  box-shadow:0 10px 30px rgba(0,0,0,.42);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:76px;
  transition:min-height .3s ease;
}
.site-header.is-scrolled .header-inner{min-height:66px;}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;
  display:grid;place-items:center;
  border-radius:12px;
  background:linear-gradient(140deg,var(--primary),#0C8F88);
  color:#04231F;
  font-weight:800;
  font-size:19px;
  box-shadow:0 0 0 1px rgba(25,211,197,.35),0 8px 20px rgba(25,211,197,.22);
}
.brand-text{
  font-size:18px;
  font-weight:800;
  color:#F4FBFF;
  letter-spacing:.03em;
  white-space:nowrap;
}
.brand:hover .brand-text{color:var(--primary);}
.main-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin:0 auto;
}
.main-nav .nav-link{
  position:relative;
  padding:9px 14px;
  border-radius:999px;
  color:#BBD0E3;
  font-size:15.5px;
  font-weight:500;
  white-space:nowrap;
  transition:color .22s ease,background .22s ease;
}
.main-nav .nav-link:hover{color:#fff;background:rgba(120,220,255,.09);}
.main-nav .nav-link.active{
  color:#04231F;
  background:linear-gradient(120deg,rgba(25,211,197,.92),rgba(25,211,197,.66));
  box-shadow:0 0 18px rgba(25,211,197,.32);
  font-weight:700;
}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.icon-btn{
  width:42px;height:42px;
  display:grid;place-items:center;
  border-radius:12px;
  border:1px solid var(--glass-line);
  background:rgba(16,26,44,.55);
  color:var(--text);
  cursor:pointer;
  transition:.25s ease;
}
.icon-btn:hover{border-color:rgba(25,211,197,.5);color:var(--primary);background:rgba(25,211,197,.1);}
.search-panel{
  max-height:0;
  overflow:hidden;
  transition:max-height .35s ease,border-color .35s ease;
  border-bottom:1px solid transparent;
  background:rgba(9,15,26,.92);
  backdrop-filter:blur(14px);
}
.search-panel.open{max-height:96px;border-bottom-color:var(--line);}
.search-inner{display:flex;gap:12px;padding:16px 0;align-items:center;}
.search-inner input{
  flex:1 1 auto;
  height:48px;
  border-radius:12px;
  border:1px solid var(--glass-line);
  background:rgba(16,26,44,.75);
  color:var(--text);
  padding:0 16px;
  font-size:15.5px;
}
.search-inner input:focus{outline:none;border-color:rgba(25,211,197,.6);box-shadow:var(--glow);}

/* 按钮 */
.btn-glow,.btn-line,.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  min-height:46px;
  padding:0 22px;
  border-radius:var(--radius-btn);
  font-size:15.5px;
  font-weight:700;
  cursor:pointer;
  border:1px solid transparent;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
}
.btn-glow{
  background:linear-gradient(120deg,#22E3D2,#0FA89E);
  color:#04231F;
  box-shadow:0 0 0 1px rgba(25,211,197,.3),0 12px 28px rgba(25,211,197,.24);
}
.btn-glow:hover{color:#04231F;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(25,211,197,.5),0 18px 38px rgba(25,211,197,.34);}
.btn-glow:active{transform:translateY(1px);}
.btn-line{
  background:rgba(16,26,44,.55);
  border-color:var(--glass-line);
  color:var(--text);
}
.btn-line:hover{color:#fff;border-color:rgba(25,211,197,.55);background:rgba(25,211,197,.12);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--muted);border-color:transparent;padding:0 8px;}
.btn-ghost:hover{color:var(--primary);}
.btn-sm{padding:0 16px;min-height:40px;font-size:14.5px;}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:132px 0 66px;
  background:
    linear-gradient(180deg,rgba(7,11,20,.82) 0%,rgba(7,11,20,.9) 58%,var(--bg) 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  overflow:hidden;
}
.hero::after{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(120,220,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(120,220,255,.05) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(70% 60% at 50% 20%,#000 30%,transparent 100%);
  -webkit-mask-image:radial-gradient(70% 60% at 50% 20%,#000 30%,transparent 100%);
  pointer-events:none;
}
.hero .container{position:relative;z-index:2;}
.crumb{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:7px 15px;
  border-radius:999px;
  background:rgba(16,26,44,.6);
  border:1px solid var(--glass-line);
  font-size:13.5px;
  color:var(--muted);
  backdrop-filter:blur(10px);
  margin-bottom:22px;
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--primary);}
.crumb .sep{color:rgba(147,167,189,.55);}
.crumb .now{color:var(--primary);font-weight:700;}
.hero-grid{display:grid;grid-template-columns:1.35fr .95fr;gap:52px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13.5px;font-weight:700;letter-spacing:.14em;
  color:var(--primary);
  text-transform:uppercase;
  margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--primary);border-radius:2px;}
.hero h1{
  font-size:clamp(2rem,3.6vw,3rem);
  line-height:1.24;
  margin-bottom:18px;
}
.hero h1 .hl{color:var(--primary);}
.hero-sub{
  font-size:17px;
  color:#B6C9DB;
  max-width:560px;
  margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-side{
  background:var(--glass);
  border:1px solid var(--glass-line);
  border-radius:var(--radius-card);
  padding:26px;
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:var(--shadow-1);
}
.hero-side h3{font-size:16px;margin-bottom:16px;color:#D9ECF8;}
.status-row{
  display:flex;align-items:center;gap:10px;
  padding:11px 0;
  border-bottom:1px dashed var(--line);
  font-size:14.5px;
  color:#C3D6E6;
}
.status-row:last-of-type{border-bottom:none;}
.dot{width:9px;height:9px;border-radius:50%;flex:0 0 9px;}
.dot-ok{background:var(--ok);box-shadow:0 0 10px rgba(64,217,139,.7);}
.dot-warn{background:var(--warn);box-shadow:0 0 10px rgba(255,184,77,.7);}
.dot-info{background:var(--primary);box-shadow:0 0 10px rgba(25,211,197,.7);}
.status-row span.val{margin-left:auto;color:var(--muted);font-size:13.5px;}
.side-note{
  margin-top:18px;
  padding-top:16px;
  border-top:1px solid var(--line);
  font-size:13.5px;
  color:var(--muted);
}

/* ============ 通用板块 ============ */
.section{padding:92px 0;position:relative;}
.section-alt{background:linear-gradient(180deg,rgba(11,18,32,.75),rgba(7,11,20,.4));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:46px;}
.section-head h2{font-size:clamp(1.7rem,2.4vw,2.15rem);margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:16px;margin:0;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}

/* 简介两栏 */
.intro-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:start;}
.intro-copy p{color:#C4D6E5;font-size:16.5px;}
.badge-line{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px;}
.badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;
  border-radius:999px;
  font-size:13px;
  font-weight:600;
  color:#9FE9E1;
  background:rgba(25,211,197,.12);
  border:1px solid rgba(25,211,197,.26);
}
.badge.amber{color:#FFD79A;background:rgba(255,184,77,.12);border-color:rgba(255,184,77,.28);}
.badge.violet{color:#C4BCFF;background:rgba(109,93,252,.14);border-color:rgba(109,93,252,.3);}
.rule-divider{height:1px;background:linear-gradient(90deg,rgba(25,211,197,.5),rgba(147,167,189,.12));margin:26px 0;}
.stat-strip{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:14px;
}
.stat-item{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:16px;
  padding:20px;
}
.stat-item .num{
  font-size:26px;
  font-weight:800;
  color:var(--primary);
  font-family:"DIN Alternate","SFMono-Regular",Menlo,monospace;
  letter-spacing:.02em;
}
.stat-item .lbl{font-size:13.5px;color:var(--muted);margin-top:4px;}

/* ============ 时间线 ============ */
.timeline{position:relative;padding-left:8px;}
.timeline::before{
  content:"";
  position:absolute;
  left:11px;top:8px;bottom:8px;
  width:2px;
  background:linear-gradient(180deg,rgba(25,211,197,.6),rgba(147,167,189,.12));
}
.tl-group{position:relative;padding-left:44px;margin-bottom:44px;}
.tl-group:last-child{margin-bottom:0;}
.tl-dot{
  position:absolute;left:2px;top:6px;
  width:20px;height:20px;border-radius:50%;
  background:var(--bg-2);
  border:2px solid var(--primary);
  box-shadow:0 0 0 5px rgba(25,211,197,.1);
}
.tl-date{
  display:inline-flex;align-items:center;gap:10px;
  font-size:15px;font-weight:700;
  color:#D8ECF8;
  margin-bottom:16px;
  letter-spacing:.04em;
}
.tl-date em{font-style:normal;font-size:13px;font-weight:600;color:var(--muted);}
.tl-items{display:grid;gap:14px;}
.tl-card{
  background:var(--glass);
  border:1px solid var(--glass-line);
  border-radius:var(--radius-card);
  padding:22px 24px;
  backdrop-filter:blur(10px);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.tl-card:hover{transform:translateY(-4px);border-color:rgba(25,211,197,.45);box-shadow:var(--shadow-1);}
.tl-card h3{font-size:17px;margin-bottom:8px;}
.tl-card p{color:#B9CCDD;font-size:15.5px;margin-bottom:0;}
.tl-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px;}
.tag{
  display:inline-block;
  padding:3px 11px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:600;
  color:#A9C2D6;
  background:rgba(147,167,189,.12);
  border:1px solid rgba(147,167,189,.2);
}
.tag.t-primary{color:#9FE9E1;background:rgba(25,211,197,.12);border-color:rgba(25,211,197,.26);}
.tag.t-amber{color:#FFD79A;background:rgba(255,184,77,.12);border-color:rgba(255,184,77,.26);}

/* ============ 横向滚动卡 ============ */
.scroller-wrap{position:relative;}
.scroller{
  display:flex;
  gap:20px;
  overflow-x:auto;
  padding:6px 4px 22px;
  scroll-snap-type:x mandatory;
  scrollbar-width:thin;
  scrollbar-color:rgba(25,211,197,.45) transparent;
}
.scroller::-webkit-scrollbar{height:8px;}
.scroller::-webkit-scrollbar-track{background:rgba(147,167,189,.1);border-radius:999px;}
.scroller::-webkit-scrollbar-thumb{background:rgba(25,211,197,.45);border-radius:999px;}
.scroll-card{
  flex:0 0 330px;
  scroll-snap-align:start;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.scroll-card:hover{transform:translateY(-4px);border-color:rgba(25,211,197,.45);box-shadow:var(--shadow-2);}
.scroll-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;}
.scroll-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.scroll-card:hover .thumb img{transform:scale(1.04);}
.scroll-card .body{padding:20px 22px 24px;}
.scroll-card h3{font-size:16.5px;margin:12px 0 8px;}
.scroll-card p{font-size:14.5px;color:var(--muted);margin-bottom:14px;}
.scroll-card .more{font-size:14px;font-weight:700;color:var(--primary);display:inline-flex;align-items:center;gap:7px;}
.scroll-card:hover .more i{transform:translateX(4px);}
.scroll-card .more i{transition:transform .25s ease;}
.scroll-hint{font-size:13.5px;color:var(--muted);margin-top:6px;}

/* ============ 订阅条 ============ */
.subscribe{
  border-radius:24px;
  border:1px solid var(--glass-line);
  background:
    linear-gradient(120deg,rgba(11,18,32,.94),rgba(16,26,44,.8)),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  padding:48px 44px;
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:40px;
  align-items:center;
  box-shadow:var(--shadow-1);
}
.subscribe h2{font-size:clamp(1.5rem,2.2vw,1.95rem);margin-bottom:12px;}
.subscribe p{color:#B6C9DB;font-size:15.5px;margin:0;}
.subscribe-form .field{display:flex;gap:12px;}
.subscribe-form input{
  flex:1 1 auto;
  height:50px;
  border-radius:13px;
  border:1px solid var(--glass-line);
  background:rgba(7,11,20,.7);
  color:var(--text);
  padding:0 16px;
  font-size:15.5px;
}
.subscribe-form input::placeholder{color:#7089A0;}
.subscribe-form input:focus{outline:none;border-color:rgba(25,211,197,.65);box-shadow:var(--glow);}
.subscribe-form .hint{font-size:13px;color:var(--muted);margin-top:12px;}
.form-msg{margin-top:12px;font-size:14px;color:var(--ok);display:none;}
.form-msg.show{display:block;}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto;}
.accordion-item{
  background:var(--glass);
  border:1px solid var(--glass-line);
  border-radius:16px !important;
  margin-bottom:12px;
  overflow:hidden;
  backdrop-filter:blur(10px);
}
.accordion-button{
  background:transparent;
  color:#E7F4FF;
  font-size:16.5px;
  font-weight:700;
  padding:20px 22px;
  box-shadow:none !important;
  border-radius:16px !important;
}
.accordion-button:not(.collapsed){
  color:var(--primary);
  background:rgba(25,211,197,.07);
}
.accordion-button::after{
  background-image:none;
  content:"\2b";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  display:grid;place-items:center;
  width:26px;height:26px;
  font-size:13px;
  color:var(--primary);
  border:1px solid rgba(25,211,197,.35);
  border-radius:8px;
  transition:transform .3s ease;
}
.accordion-button:not(.collapsed)::after{content:"\f068";transform:rotate(0deg);}
.accordion-body{
  color:#B9CCDD;
  font-size:15.5px;
  padding:0 22px 22px;
}
.accordion-item:has(.accordion-button:not(.collapsed)){
  border-color:rgba(25,211,197,.45);
  box-shadow:0 0 26px rgba(25,211,197,.14);
}

/* ============ CTA ============ */
.cta-panel{
  border-radius:26px;
  border:1px solid var(--glass-line);
  background:linear-gradient(120deg,rgba(25,211,197,.12),rgba(16,26,44,.86) 55%,rgba(109,93,252,.14));
  padding:52px 46px;
  display:flex;
  flex-wrap:wrap;
  gap:30px;
  align-items:center;
  justify-content:space-between;
  backdrop-filter:blur(12px);
}
.cta-panel h2{font-size:clamp(1.5rem,2.2vw,2rem);margin-bottom:10px;}
.cta-panel p{color:#B6C9DB;margin:0;max-width:560px;font-size:15.5px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ============ 页脚 ============ */
.site-footer{
  background:#060A12;
  border-top:1px solid var(--line);
  padding:72px 0 26px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:44px;
}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-brand strong{font-size:17px;color:#F4FBFF;letter-spacing:.02em;}
.footer-desc{color:var(--muted);font-size:14.5px;max-width:330px;}
.footer-contact{display:flex;flex-direction:column;gap:9px;margin-top:18px;font-size:14.5px;color:var(--muted);}
.footer-contact i{color:var(--primary);margin-right:7px;}
.footer-contact a{color:#BBD0E3;}
.footer-contact a:hover{color:var(--primary);}
.footer-col h4{font-size:15px;margin-bottom:18px;color:#D9ECF8;letter-spacing:.05em;}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:11px;}
.footer-col li{font-size:14.5px;color:var(--muted);}
.footer-col a{color:var(--muted);}
.footer-col a:hover{color:var(--primary);}
.footer-bottom{
  margin-top:52px;
  padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  justify-content:space-between;
  font-size:13.5px;
  color:#7C93A8;
}
.footer-legal{display:flex;flex-wrap:wrap;gap:18px;}
.footer-legal a{color:#7C93A8;}
.footer-legal a:hover{color:var(--primary);}

/* 返回顶部 */
.to-top{
  position:fixed;
  right:22px;bottom:26px;
  width:46px;height:46px;
  display:grid;place-items:center;
  border-radius:14px;
  border:1px solid var(--glass-line);
  background:rgba(16,26,44,.85);
  color:var(--primary);
  cursor:pointer;
  opacity:0;visibility:hidden;
  transform:translateY(10px);
  transition:.3s ease;
  z-index:1030;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:rgba(25,211,197,.16);box-shadow:var(--glow);}

/* Offcanvas */
.offcanvas{
  background:#0A111F;
  color:var(--text);
  border-left:1px solid var(--line);
  width:min(88vw,340px);
}
.offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px;}
.offcanvas-title{font-size:16px;font-weight:800;}
.offcanvas-body{padding:20px;}
.m-nav{display:grid;gap:8px;margin-bottom:26px;}
.m-nav a{
  display:flex;align-items:center;
  min-height:48px;
  padding:0 16px;
  border-radius:13px;
  color:#C4D6E5;
  font-size:16px;
  border:1px solid transparent;
}
.m-nav a:hover{background:rgba(120,220,255,.08);color:#fff;}
.m-nav a.active{
  background:linear-gradient(120deg,rgba(25,211,197,.2),rgba(25,211,197,.06));
  border-color:rgba(25,211,197,.4);
  color:var(--primary);
  font-weight:700;
}
.m-nav-cta .btn-glow{width:100%;}

@media (max-width:1199.98px){
  .container{max-width:1040px;}
  .main-nav .nav-link{padding:9px 10px;font-size:14.5px;}
  .hero-grid{gap:36px;}
}
@media (max-width:991.98px){
  body{font-size:16px;}
  .hero{padding:112px 0 54px;}
  .hero-grid{grid-template-columns:1fr;gap:28px;}
  .intro-grid{grid-template-columns:1fr;gap:32px;}
  .subscribe{grid-template-columns:1fr;padding:36px 26px;gap:26px;}
  .cta-panel{padding:38px 28px;}
  .section{padding:64px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .timeline::before{left:9px;}
  .tl-group{padding-left:38px;}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px;}
  .hero{padding:100px 0 46px;}
  .hero h1{font-size:1.85rem;}
  .section{padding:52px 0;}
  .stat-strip{grid-template-columns:1fr;}
  .scroll-card{flex:0 0 82vw;}
  .subscribe-form .field{flex-direction:column;}
  .subscribe-form .btn-glow{width:100%;}
  .hero-actions .btn-glow,.hero-actions .btn-line{width:100%;}
  .cta-actions{width:100%;}
  .cta-actions .btn-glow,.cta-actions .btn-line{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;}
  .brand-text{font-size:15.5px;white-space:normal;line-height:1.3;}
  .site-header,.search-panel{backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);}
}

/* roulang page: category5 */
:root{
  --bg:#070B14;
  --bg-2:#0B1220;
  --panel:#101A2C;
  --glass:rgba(16,26,44,.62);
  --glass-soft:rgba(16,26,44,.42);
  --glass-border:rgba(120,220,255,.16);
  --primary:#19D3C5;
  --primary-dark:#0FA89E;
  --accent:#FFB84D;
  --violet:#6D5DFC;
  --success:#40D98B;
  --danger:#FF5C7A;
  --text:#EAF6FF;
  --muted:#93A7BD;
  --line:rgba(147,167,189,.18);
  --radius-card:20px;
  --radius-btn:13px;
  --radius-img:16px;
  --shadow-1:0 12px 40px rgba(0,0,0,.35);
  --shadow-2:0 18px 50px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(25,211,197,.25), 0 0 28px rgba(25,211,197,.22);
  --container:1240px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(680px 420px at 12% 6%, rgba(25,211,197,.14), transparent 70%),
    radial-gradient(620px 400px at 88% 12%, rgba(109,93,252,.12), transparent 72%),
    radial-gradient(700px 460px at 60% 96%, rgba(255,184,77,.07), transparent 74%);
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .25s ease,opacity .25s ease;}
a:hover{color:var(--primary);}
h1,h2,h3,h4{font-weight:700;letter-spacing:.02em;line-height:1.28;margin:0;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button,input,textarea,select{font:inherit;color: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:0 24px;
  position:relative;
  z-index:1;
}

/* ============ Header / Nav ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1040;
  background:rgba(16,26,44,.55);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--glass-border);
  box-shadow:0 10px 34px rgba(0,0,0,.28);
  transition:background .3s ease,padding .3s ease,box-shadow .3s ease;
}
.site-header.scrolled{
  background:rgba(11,18,32,.95);
  box-shadow:0 8px 26px rgba(0,0,0,.45);
}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:22px;
  min-height:76px;
  transition:min-height .3s ease;
}
.site-header.scrolled .nav-wrap{min-height:66px;}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  font-weight:800;
  font-size:1.06rem;
  letter-spacing:.02em;
  flex-shrink:0;
}
.brand-mark{
  width:38px;height:38px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  background:linear-gradient(140deg,var(--primary) 0%,var(--primary-dark) 100%);
  color:#04211F;
  font-weight:800;
  font-size:1.05rem;
  box-shadow:var(--glow);
  flex-shrink:0;
}
.brand span.brand-text{color:var(--text);}
.main-nav{
  display:flex;
  align-items:center;
  gap:6px;
  margin:0 auto;
}
.main-nav .nav-link{
  position:relative;
  padding:9px 14px;
  border-radius:999px;
  color:var(--muted);
  font-size:.95rem;
  font-weight:500;
  white-space:nowrap;
  transition:color .25s ease,background .25s ease;
}
.main-nav .nav-link:hover{color:var(--text);background:rgba(120,220,255,.08);}
.main-nav .nav-link.active{
  color:var(--text);
  background:rgba(25,211,197,.12);
  box-shadow:inset 0 0 0 1px rgba(25,211,197,.28);
}
.main-nav .nav-link.active::after{
  content:"";
  position:absolute;
  left:50%;bottom:2px;
  transform:translateX(-50%);
  width:22px;height:2px;
  border-radius:2px;
  background:var(--primary);
  box-shadow:0 0 12px rgba(25,211,197,.85);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.icon-btn{
  width:44px;height:44px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  border:1px solid var(--glass-border);
  background:var(--glass-soft);
  color:var(--muted);
  cursor:pointer;
  transition:all .25s ease;
}
.icon-btn:hover{color:var(--primary);border-color:rgba(25,211,197,.45);transform:translateY(-2px);}
.mobile-toggle{display:none;}

/* Buttons */
.btn-signal,.btn-glass,.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 24px;
  border-radius:var(--radius-btn);
  font-weight:700;
  font-size:.95rem;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,color .25s ease;
  min-height:46px;
}
.btn-signal{
  background:linear-gradient(135deg,#22E4D4 0%,var(--primary) 45%,var(--primary-dark) 100%);
  color:#04211F;
  box-shadow:var(--glow);
}
.btn-signal:hover{color:#04211F;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(25,211,197,.35),0 0 34px rgba(25,211,197,.4);}
.btn-signal:active{transform:translateY(1px);}
.btn-glass{
  background:rgba(16,26,44,.5);
  border-color:var(--glass-border);
  color:var(--text);
}
.btn-glass:hover{color:var(--text);background:rgba(25,211,197,.14);border-color:rgba(25,211,197,.42);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--muted);border-color:transparent;padding:10px 16px;}
.btn-ghost:hover{color:var(--primary);}
.btn-block{width:100%;}

/* ============ Hero ============ */
.cat-hero{
  position:relative;
  padding:170px 0 84px;
  background-image:
    linear-gradient(180deg,rgba(7,11,20,.86) 0%,rgba(7,11,20,.78) 42%,rgba(7,11,20,.94) 100%),
    url('/assets/images/backpic/back-3.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.cat-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(120,220,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,220,255,.05) 1px,transparent 1px);
  background-size:64px 64px;
  pointer-events:none;
  mask-image:radial-gradient(circle at 70% 30%,#000 10%,transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 70% 30%,#000 10%,transparent 72%);
}
.hero-inner{display:grid;grid-template-columns:1.35fr .95fr;gap:56px;align-items:center;position:relative;z-index:2;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 16px;
  border-radius:999px;
  border:1px solid var(--glass-border);
  background:rgba(25,211,197,.1);
  color:var(--primary);
  font-size:.84rem;
  font-weight:600;
  letter-spacing:.06em;
  margin-bottom:20px;
}
.cat-hero h1{
  font-size:clamp(2rem,3.4vw,2.85rem);
  font-weight:800;
  margin-bottom:18px;
}
.cat-hero h1 em{font-style:normal;color:var(--primary);}
.hero-sub{
  color:var(--muted);
  font-size:1.05rem;
  max-width:620px;
  margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}

.glass-card{
  position:relative;
  background:var(--glass);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  padding:28px;
  overflow:hidden;
}
.glass-card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(120,220,255,.5),transparent);
}
.hero-card h3{font-size:1.1rem;margin-bottom:18px;}
.status-list li{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:12px 0;
  border-bottom:1px dashed var(--line);
  font-size:.94rem;
  color:var(--muted);
}
.status-list li:last-child{border-bottom:0;padding-bottom:0;}
.dot{
  width:9px;height:9px;
  border-radius:50%;
  display:inline-block;
  margin-right:9px;
}
.dot.on{background:var(--success);box-shadow:0 0 12px rgba(64,217,139,.8);}
.dot.warn{background:var(--accent);box-shadow:0 0 12px rgba(255,184,77,.7);}
.dot.info{background:var(--violet);box-shadow:0 0 12px rgba(109,93,252,.7);}
.status-list strong{color:var(--text);font-weight:600;}

/* Breadcrumb */
.breadcrumb-bar{
  background:rgba(11,18,32,.72);
  border-bottom:1px solid var(--line);
  padding:14px 0;
}
.breadcrumb-path{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:.88rem;
  color:var(--muted);
  flex-wrap:wrap;
}
.breadcrumb-path .sep{color:rgba(147,167,189,.5);}
.breadcrumb-path .current{color:var(--primary);font-weight:600;}

/* Sections */
.section{padding:96px 0;position:relative;}
.section-alt{background:linear-gradient(180deg,rgba(11,18,32,.6),rgba(7,11,20,.2));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{max-width:760px;margin-bottom:52px;}
.sec-head h2{font-size:clamp(1.55rem,2.4vw,2.1rem);margin-bottom:14px;}
.sec-head p{color:var(--muted);font-size:1rem;}
.sec-label{
  display:inline-block;
  font-size:.8rem;
  letter-spacing:.16em;
  color:var(--primary);
  font-weight:700;
  margin-bottom:12px;
  text-transform:uppercase;
}

/* Brand intro split */
.split-asym{display:grid;grid-template-columns:1.05fr 1fr;gap:60px;align-items:center;}
.split-copy p{color:#C7D8E8;font-size:1rem;}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.badge-pill{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:7px 15px;
  border-radius:999px;
  background:rgba(25,211,197,.1);
  border:1px solid rgba(25,211,197,.24);
  color:var(--primary);
  font-size:.83rem;
  font-weight:600;
}
.badge-pill.amber{background:rgba(255,184,77,.1);border-color:rgba(255,184,77,.26);color:var(--accent);}
.badge-pill.violet{background:rgba(109,93,252,.12);border-color:rgba(109,93,252,.28);color:#A99EFF;}
.figure-frame{
  border-radius:var(--radius-img);
  overflow:hidden;
  border:1px solid var(--glass-border);
  box-shadow:var(--shadow-2);
}
.figure-frame img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.figure-frame:hover img{transform:scale(1.04);}
.divider{height:1px;background:var(--line);margin:36px 0;border:0;}

/* Stats strip */
.stats-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
  padding:30px;
  border-radius:var(--radius-card);
  background:var(--glass-soft);
  border:1px solid var(--glass-border);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
}
.stat-item{text-align:center;padding:8px 6px;}
.stat-num{
  font-size:1.9rem;
  font-weight:800;
  color:var(--primary);
  font-family:"DIN Alternate",ui-monospace,Menlo,monospace;
  letter-spacing:.02em;
  display:block;
  line-height:1.2;
}
.stat-label{font-size:.86rem;color:var(--muted);margin-top:6px;display:block;}

/* Scope grid */
.scope-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.scope-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:30px 26px;
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.scope-card:hover{transform:translateY(-4px);border-color:rgba(25,211,197,.4);box-shadow:var(--shadow-2);}
.scope-icon{
  width:48px;height:48px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:14px;
  background:rgba(25,211,197,.12);
  border:1px solid rgba(25,211,197,.24);
  color:var(--primary);
  font-size:1.15rem;
  margin-bottom:18px;
}
.scope-card h3{font-size:1.14rem;margin-bottom:12px;}
.scope-card p{color:var(--muted);font-size:.94rem;margin:0;}

/* Compliance list */
.check-list{display:grid;grid-template-columns:1fr 1fr;gap:16px 28px;}
.check-list li{
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:16px 18px;
  border-radius:16px;
  background:rgba(16,26,44,.5);
  border:1px solid var(--line);
  font-size:.93rem;
  color:#C7D8E8;
  transition:border-color .25s ease,background .25s ease;
}
.check-list li:hover{border-color:rgba(25,211,197,.35);background:rgba(25,211,197,.06);}
.check-list i{color:var(--primary);margin-top:4px;flex-shrink:0;}

/* Contact layout */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:start;}
.form-panel{
  background:var(--glass);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-card);
  padding:34px;
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow-1);
}
.form-panel h3{font-size:1.2rem;margin-bottom:8px;}
.form-hint{color:var(--muted);font-size:.9rem;margin-bottom:24px;}
.field{margin-bottom:20px;}
.field label{display:block;font-size:.88rem;font-weight:600;margin-bottom:8px;color:#C7D8E8;}
.field .req{color:var(--accent);margin-left:4px;}
.field input,.field select,.field textarea{
  width:100%;
  background:rgba(7,11,20,.72);
  border:1px solid var(--line);
  border-radius:12px;
  padding:13px 15px;
  font-size:.94rem;
  color:var(--text);
  transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;
  min-height:48px;
}
.field textarea{min-height:130px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:rgba(147,167,189,.65);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:rgba(25,211,197,.6);
  box-shadow:0 0 0 3px rgba(25,211,197,.14),0 0 22px rgba(25,211,197,.18);
  background:rgba(7,11,20,.9);
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.form-tip{
  margin-top:16px;
  font-size:.88rem;
  color:var(--success);
  display:none;
}
.form-tip.is-visible{display:block;}

.side-stack{display:flex;flex-direction:column;gap:22px;}
.info-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px;
  transition:border-color .25s ease,transform .25s ease;
}
.info-card:hover{border-color:rgba(25,211,197,.35);transform:translateY(-3px);}
.info-card h4{font-size:1.02rem;margin-bottom:14px;display:flex;align-items:center;gap:10px;}
.info-card h4 i{color:var(--primary);}
.info-card p{color:var(--muted);font-size:.92rem;margin:0;}
.info-card a{color:var(--primary);word-break:break-all;}

/* Map placeholder */
.map-box{
  position:relative;
  height:230px;
  border-radius:var(--radius-card);
  border:1px solid var(--glass-border);
  background:
    linear-gradient(rgba(120,220,255,.07) 1px,transparent 1px) 0 0/44px 44px,
    linear-gradient(90deg,rgba(120,220,255,.07) 1px,transparent 1px) 0 0/44px 44px,
    radial-gradient(circle at 50% 50%,rgba(25,211,197,.16),rgba(7,11,20,.9) 70%);
  overflow:hidden;
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  padding:24px;
}
.map-box .pin{
  position:absolute;
  top:46%;left:50%;
  transform:translate(-50%,-50%);
  width:16px;height:16px;
  border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 0 8px rgba(25,211,197,.16),0 0 26px rgba(25,211,197,.7);
}
.map-box .map-text{
  position:relative;
  z-index:2;
  margin-top:78px;
  color:var(--muted);
  font-size:.9rem;
  max-width:320px;
}

/* Trust strip */
.trust-strip{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
  padding:26px;
  border-radius:var(--radius-card);
  background:rgba(16,26,44,.5);
  border:1px solid var(--glass-border);
}
.trust-item{display:flex;gap:14px;align-items:flex-start;}
.trust-item i{font-size:1.2rem;color:var(--primary);margin-top:4px;}
.trust-item strong{display:block;font-size:.98rem;margin-bottom:5px;}
.trust-item span{color:var(--muted);font-size:.87rem;line-height:1.6;}

/* FAQ */
.faq-accordion .accordion-item{
  background:var(--glass);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-card);
  margin-bottom:14px;
  overflow:hidden;
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  transition:border-color .3s ease,box-shadow .3s ease;
}
.faq-accordion .accordion-item:has(.accordion-button:not(.collapsed)){
  border-color:rgba(25,211,197,.45);
  box-shadow:0 0 0 1px rgba(25,211,197,.16),0 0 26px rgba(25,211,197,.12);
}
.faq-accordion .accordion-button{
  background:transparent;
  color:var(--text);
  font-weight:600;
  font-size:1rem;
  padding:20px 26px;
  box-shadow:none;
  border-radius:var(--radius-card);
  gap:16px;
}
.faq-accordion .accordion-button:not(.collapsed){color:var(--primary);background:rgba(25,211,197,.07);}
.faq-accordion .accordion-button:focus{box-shadow:none;border-color:transparent;}
.faq-accordion .accordion-button::after{
  background-image:none;
  content:"+";
  font-size:1.4rem;
  line-height:1;
  width:auto;height:auto;
  margin-left:auto;
  color:var(--primary);
  transition:transform .3s ease,color .3s ease;
}
.faq-accordion .accordion-button:not(.collapsed)::after{content:"−";transform:rotate(0deg);}
.faq-accordion .accordion-body{
  color:var(--muted);
  font-size:.94rem;
  padding:0 26px 22px;
  line-height:1.8;
}

/* CTA */
.cta-panel{
  position:relative;
  border-radius:26px;
  padding:56px 52px;
  background-image:
    linear-gradient(120deg,rgba(7,11,20,.92) 0%,rgba(11,18,32,.86) 55%,rgba(25,211,197,.14) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  border:1px solid var(--glass-border);
  box-shadow:var(--shadow-2);
  overflow:hidden;
  display:grid;
  grid-template-columns:1.3fr .7fr;
  gap:32px;
  align-items:center;
}
.cta-panel h2{font-size:clamp(1.5rem,2.3vw,2rem);margin-bottom:14px;}
.cta-panel p{color:#C7D8E8;max-width:620px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;justify-content:flex-end;}

/* Footer */
.site-footer{
  background:#060A12;
  border-top:1px solid var(--line);
  padding:72px 0 0;
  margin-top:0;
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:44px;
  padding-bottom:46px;
}
.footer-brand{display:flex;align-items:center;gap:12px;font-size:1.05rem;font-weight:800;margin-bottom:18px;}
.footer-desc{color:var(--muted);font-size:.9rem;line-height:1.85;max-width:340px;}
.footer-contact{display:flex;flex-direction:column;gap:10px;margin-top:20px;font-size:.88rem;color:var(--muted);}
.footer-contact i{color:var(--primary);margin-right:8px;}
.footer-contact a{color:var(--muted);}
.footer-contact a:hover{color:var(--primary);}
.footer-col h4{font-size:.98rem;margin-bottom:18px;color:var(--text);}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col li a,.footer-col li span{color:var(--muted);font-size:.89rem;}
.footer-col li a:hover{color:var(--primary);}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:22px 0;
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  align-items:center;
  justify-content:space-between;
  color:var(--muted);
  font-size:.85rem;
}
.footer-legal{display:flex;gap:18px;flex-wrap:wrap;}
.footer-legal a{color:var(--muted);}
.footer-legal a:hover{color:var(--primary);}

/* Offcanvas */
.offcanvas{
  background:rgba(11,18,32,.97);
  color:var(--text);
  border-left:1px solid var(--glass-border);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
}
.offcanvas-header{border-bottom:1px solid var(--line);padding:20px 22px;}
.offcanvas-title{font-size:1rem;font-weight:700;}
.offcanvas-body{padding:20px 22px;}
.mobile-nav{display:flex;flex-direction:column;gap:8px;margin-bottom:24px;}
.mobile-nav a{
  padding:14px 16px;
  border-radius:14px;
  background:rgba(16,26,44,.6);
  border:1px solid var(--line);
  color:var(--muted);
  font-size:.95rem;
  min-height:48px;
  display:flex;
  align-items:center;
}
.mobile-nav a.active{color:var(--primary);border-color:rgba(25,211,197,.4);background:rgba(25,211,197,.1);}
.btn-close{filter:invert(1) grayscale(1) brightness(2);}

/* Back to top */
.back-top{
  position:fixed;
  right:22px;bottom:26px;
  width:46px;height:46px;
  border-radius:14px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:rgba(16,26,44,.8);
  border:1px solid var(--glass-border);
  color:var(--primary);
  box-shadow:var(--shadow-1);
  opacity:0;
  pointer-events:none;
  transition:opacity .3s ease,transform .3s ease;
  z-index:1050;
  cursor:pointer;
}
.back-top.show{opacity:1;pointer-events:auto;}
.back-top:hover{transform:translateY(-3px);border-color:rgba(25,211,197,.5);}

/* Responsive */
@media (max-width:1199px){
  .container{max-width:1040px;}
  .main-nav .nav-link{padding:8px 10px;font-size:.9rem;}
  .hero-inner{gap:40px;}
}
@media (max-width:991px){
  .main-nav{display:none;}
  .mobile-toggle{display:inline-flex;}
  .nav-wrap{min-height:68px;gap:14px;}
  .hero-inner{grid-template-columns:1fr;}
  .cat-hero{padding:140px 0 70px;}
  .split-asym{grid-template-columns:1fr;gap:36px;}
  .scope-grid{grid-template-columns:1fr 1fr;}
  .contact-grid{grid-template-columns:1fr;}
  .stats-strip{grid-template-columns:1fr 1fr;}
  .trust-strip{grid-template-columns:1fr;}
  .cta-panel{grid-template-columns:1fr;padding:44px 32px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .section{padding:76px 0;}
}
@media (max-width:575px){
  .container{padding:0 18px;}
  body{font-size:15.5px;}
  .cat-hero{padding:126px 0 56px;}
  .cat-hero h1{font-size:1.72rem;}
  .hero-sub{font-size:.96rem;}
  .hero-actions .btn-signal,.hero-actions .btn-glass,.cta-actions .btn-signal,.cta-actions .btn-glass{width:100%;}
  .scope-grid{grid-template-columns:1fr;}
  .check-list{grid-template-columns:1fr;}
  .stats-strip{grid-template-columns:1fr;padding:22px;}
  .glass-card,.form-panel,.info-card{padding:22px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .section{padding:58px 0;}
  .sec-head{margin-bottom:34px;}
  .faq-accordion .accordion-button{padding:17px 18px;font-size:.95rem;}
  .faq-accordion .accordion-body{padding:0 18px 18px;}
  .back-top{right:14px;bottom:16px;}
  .site-header{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);}
  .glass-card,.form-panel,.faq-accordion .accordion-item{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);}
}