/* roulang page: index */
:root{
  --bg:#05070E;
  --bg-section:#0A0F1C;
  --glass:rgba(255,255,255,.055);
  --glass-strong:rgba(255,255,255,.08);
  --brand:#0E7BFF;
  --accent:#00E0C6;
  --cta:#FF6B2C;
  --text:#E8EEF9;
  --text-2:#9FB0CC;
  --text-3:#7C8CA8;
  --line:rgba(255,255,255,.1);
  --line-accent:rgba(0,224,198,.45);
  --radius-card:16px;
  --radius-panel:20px;
  --radius-img:12px;
  --radius-badge:6px;
  --shadow-card:0 18px 48px rgba(0,0,0,.45);
  --shadow-glow:0 0 0 1px rgba(0,224,198,.5),0 12px 36px rgba(14,123,255,.35);
  --gap:24px;
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"Barlow Condensed","HarmonyOS Sans",sans-serif;
  --ease:.25s ease-out;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:var(--font-cn);font-size:1rem;line-height:1.95;letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none;transition:color var(--ease)}
a:hover{color:#fff}
h1,h2,h3,h4{margin:0;font-weight:700;color:#fff;letter-spacing:0}
h1{font-size:clamp(2rem,4.2vw,3.1rem);line-height:1.18}
h2{font-size:clamp(1.4rem,2.4vw,2rem);line-height:1.3}
h3{font-size:1.25rem;line-height:1.45;font-weight:600}
p{margin:0 0 1.1em}
ul{padding-left:1.1rem;margin:0}
li{line-height:1.8}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.num{font-family:var(--font-num);letter-spacing:.02em}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.container{max-width:1280px}}
.section{padding:96px 0;position:relative}
.section-tight{padding:72px 0}
.section-dark{background:var(--bg-section)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-head h2{position:relative;padding-left:16px}
.section-head h2::before{content:"";position:absolute;left:0;top:.25em;bottom:.25em;width:4px;border-radius:2px;background:linear-gradient(180deg,var(--accent),rgba(0,224,198,0))}
.section-head .sub{color:var(--text-2);font-size:.9375rem;margin:8px 0 0 16px;max-width:640px}
.link-more{color:var(--accent);font-size:.9375rem;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.link-more i{transition:transform var(--ease)}
.link-more:hover i{transform:translateX(4px)}

/* ---------- header ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1030}
.site-header .navbar{
  height:72px;padding:0;background:rgba(10,15,28,.28);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);transition:all .28s ease;
}
.site-header.scrolled .navbar{height:64px;background:rgba(10,15,28,.94);border-bottom-color:rgba(0,224,198,.25);box-shadow:0 14px 34px rgba(0,0,0,.5)}
.nav-inner{display:flex;align-items:center;gap:28px;height:100%}
.brand{display:flex;align-items:center;gap:12px;color:#fff}
.brand:hover{color:#fff}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex:0 0 40px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--brand),#0A4FA8);
  box-shadow:0 0 0 1px rgba(0,224,198,.4),0 10px 24px rgba(14,123,255,.35);
  color:#fff;font-family:var(--font-num);font-size:1.15rem;font-weight:700;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text .b1{font-size:1.0625rem;font-weight:700;letter-spacing:.04em}
.brand-text .b2{font-size:.75rem;color:var(--accent);letter-spacing:.22em}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  color:var(--text-2);font-size:.9375rem;padding:8px 14px;border-radius:8px;position:relative;white-space:nowrap;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.05)}
.nav-links a.active{color:#fff}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--accent);
}
.nav-right{display:flex;align-items:center;gap:12px}
.nav-search{
  display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.05);
  border:1px solid var(--line);border-radius:999px;padding:7px 14px;color:var(--text-2);font-size:.875rem;
}
.nav-search input{background:transparent;border:0;outline:none;width:104px;color:var(--text);font-size:.875rem}
.nav-search input::placeholder{color:var(--text-3)}
.btn-cta{
  background:var(--cta);color:#fff;border:0;border-radius:999px;padding:11px 24px;font-weight:700;font-size:.9375rem;
  box-shadow:0 0 0 1px rgba(255,107,44,.35),0 12px 30px rgba(255,107,44,.32);
  transition:all var(--ease);display:inline-flex;align-items:center;gap:8px;
}
.btn-cta:hover{color:#fff;filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(255,107,44,.5),0 20px 46px rgba(255,107,44,.42)}
.btn-ghost{
  background:rgba(255,255,255,.04);color:var(--text);border:1px solid var(--line-accent);
  border-radius:12px;padding:11px 22px;font-weight:600;font-size:.9375rem;transition:all var(--ease);
  display:inline-flex;align-items:center;gap:8px;
}
.btn-ghost:hover{background:rgba(0,224,198,.12);color:#fff;border-color:var(--accent)}
.btn-pill{border-radius:999px}
.nav-toggle{
  display:none;background:rgba(255,255,255,.05);border:1px solid var(--line);color:#fff;
  width:42px;height:42px;border-radius:12px;
}
@media (max-width:1199.98px){.nav-search{display:none}}
@media (max-width:991.98px){
  .nav-links,.nav-right .btn-cta{display:none}
  .nav-toggle{display:grid;place-items:center}
  .nav-inner{gap:12px}
}
.nav-drawer{background:rgba(8,12,22,.97)!important;color:var(--text);width:320px!important;border-left:1px solid var(--line)}
.nav-drawer .offcanvas-header{border-bottom:1px solid var(--line)}
.nav-drawer .drawer-links{display:flex;flex-direction:column;gap:4px;padding:16px 8px}
.nav-drawer .drawer-links a{color:var(--text-2);padding:14px 16px;border-radius:10px;font-size:1rem}
.nav-drawer .drawer-links a:hover,.nav-drawer .drawer-links a.active{background:rgba(0,224,198,.1);color:#fff}
.nav-drawer .drawer-foot{margin-top:auto;padding:20px}
.btn-close{filter:invert(1) grayscale(1) brightness(1.6)}

/* ---------- hero ---------- */
.hero{
  position:relative;padding:150px 0 88px;overflow:hidden;
  background-image:linear-gradient(180deg,rgba(5,7,14,.72),rgba(5,7,14,.86) 62%,var(--bg) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:linear-gradient(90deg,rgba(0,224,198,0),rgba(0,224,198,.7),rgba(0,224,198,0));
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:start}
.hero-panel{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-panel);
  padding:36px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06),var(--shadow-card);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:.8125rem;color:var(--accent);
  border:1px solid rgba(0,224,198,.35);background:rgba(0,224,198,.08);
  padding:5px 12px;border-radius:var(--radius-badge);margin-bottom:20px;letter-spacing:.06em;
}
.hero h1{margin-bottom:18px}
.hero h1 .hl{color:var(--accent)}
.hero .lead{color:var(--text-2);font-size:1.0625rem;max-width:600px;margin-bottom:28px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;border-top:1px solid var(--line);padding-top:24px}
.stat{border-top:2px solid rgba(0,224,198,.6);padding-top:12px}
.stat .v{font-family:var(--font-num);font-size:1.75rem;line-height:1.1;color:#fff}
.stat .k{font-size:.8125rem;color:var(--text-3);letter-spacing:.04em}
.hero-card{
  background:var(--glass-strong);border:1px solid var(--line);border-radius:var(--radius-panel);
  padding:28px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:var(--shadow-card);
  margin-top:36px;
}
.hero-card .tag{font-size:.75rem;color:var(--text-3);letter-spacing:.2em;margin-bottom:14px}
.hero-card .time{font-family:var(--font-num);font-size:2rem;color:#fff;line-height:1.1}
.hero-card .meta{color:var(--text-2);font-size:.9375rem;margin:12px 0 20px}
.hero-card .meta div{display:flex;gap:10px;align-items:center;padding:6px 0;border-bottom:1px dashed rgba(255,255,255,.08)}
.hero-card .meta div:last-child{border-bottom:0}
.hero-card .meta i{color:var(--accent);width:16px}
.badge-state{
  display:inline-flex;align-items:center;gap:6px;font-size:.8125rem;padding:4px 12px;border-radius:var(--radius-badge);
  border:1px solid rgba(0,224,198,.5);color:var(--accent);background:rgba(0,224,198,.08);
}
.badge-state.soon{border-color:rgba(255,107,44,.5);color:#FF8C57;background:rgba(255,107,44,.08)}
.badge-state.end{border-color:rgba(255,255,255,.18);color:var(--text-3);background:rgba(255,255,255,.04)}
@media (max-width:991.98px){
  .hero{padding:120px 0 64px}
  .hero-grid{grid-template-columns:1fr}
  .hero-panel{padding:26px}
  .hero-card{margin-top:0}
  .stats{grid-template-columns:repeat(2,1fr)}
}

/* ---------- news ---------- */
.news-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  height:100%;display:flex;flex-direction:column;transition:transform var(--ease),border-color var(--ease),background var(--ease);
}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-accent);background:rgba(255,255,255,.075)}
.news-card a{color:inherit;display:flex;flex-direction:column;height:100%}
.news-media{position:relative;aspect-ratio:16/9;overflow:hidden}
.news-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-media img{transform:scale(1.04)}
.news-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.chip-cat{
  align-self:flex-start;font-size:.8125rem;color:var(--accent);background:rgba(255,255,255,.06);
  border:1px solid rgba(0,224,198,.3);border-radius:var(--radius-badge);padding:3px 10px;
}
.news-title{font-size:1.0625rem;font-weight:600;color:#fff;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card.feature .news-title{font-size:1.35rem;-webkit-line-clamp:3}
.news-sum{color:var(--text-2);font-size:.9375rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;color:var(--text-3);font-size:.8125rem}
.empty-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-card);
  min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  text-align:center;padding:32px;color:var(--text-2);
}
.empty-card i{font-size:2rem;color:var(--accent)}

/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:0}
.timeline::before{
  content:"";position:absolute;left:118px;top:8px;bottom:8px;width:4px;border-radius:2px;
  background:linear-gradient(180deg,rgba(0,224,198,.85),rgba(0,224,198,0));
}
.tl-item{display:grid;grid-template-columns:100px 40px 1fr;align-items:start;gap:0;margin-bottom:28px}
.tl-time{font-family:var(--font-num);font-size:1.25rem;color:var(--accent);text-align:right;padding-top:14px}
.tl-dot{position:relative;display:flex;justify-content:center;padding-top:20px}
.tl-dot span{width:12px;height:12px;border-radius:50%;background:var(--bg-section);border:2px solid var(--accent);box-shadow:0 0 14px rgba(0,224,198,.7);z-index:1}
.tl-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-card);padding:24px 26px;
  transition:border-color var(--ease),transform var(--ease);
}
.tl-card:hover{border-color:var(--line-accent);transform:translateY(-3px)}
.tl-card h3{margin-bottom:8px}
.tl-card p{color:var(--text-2);font-size:.9375rem;margin:0 0 14px}
.tag-row{display:flex;gap:8px;flex-wrap:wrap}
.tag{
  font-size:.8125rem;color:var(--text-2);border:1px solid var(--line);background:rgba(255,255,255,.04);
  padding:3px 10px;border-radius:var(--radius-badge);
}
@media (max-width:767.98px){
  .timeline::before{left:7px}
  .tl-item{grid-template-columns:24px 1fr;gap:0}
  .tl-time{grid-column:2;text-align:left;padding:0 0 8px 0;font-size:1.05rem}
  .tl-dot{grid-column:1;grid-row:1/3;justify-content:flex-start;padding-top:6px}
  .tl-card{grid-column:2;padding:20px}
}

/* ---------- people ---------- */
.people-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:24px}
.person{border-radius:var(--radius-card);overflow:hidden;background:var(--glass);border:1px solid var(--line);transition:border-color var(--ease),transform var(--ease)}
.person:hover{border-color:var(--line-accent);transform:translateY(-4px)}
.person-img{position:relative;overflow:hidden}
.person-img img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;filter:saturate(.9)}
.person:hover .person-img img{transform:scale(1.03)}
.person.big .person-img{aspect-ratio:3/4}
.person.small .person-img{aspect-ratio:1/1}
.person-body{padding:20px}
.person-body .name{font-size:1.0625rem;font-weight:700;color:#fff}
.person-body .role{font-size:.8125rem;color:var(--accent);margin:4px 0 10px}
.person-body p{font-size:.875rem;color:var(--text-2);margin:0}
@media (max-width:991.98px){.people-grid{grid-template-columns:1fr 1fr}}
@media (max-width:575.98px){.people-grid{grid-template-columns:1fr}}

/* ---------- tickets ---------- */
.tickets{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:center}
.ticket{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-panel);padding:30px;
  display:flex;flex-direction:column;height:100%;transition:border-color var(--ease),transform var(--ease);
}
.ticket:hover{border-color:var(--line-accent);transform:translateY(-4px)}
.ticket.featured{
  border-color:rgba(0,224,198,.6);box-shadow:var(--shadow-glow);
  background:linear-gradient(180deg,rgba(0,224,198,.07),rgba(255,255,255,.045));
  padding:38px 30px;position:relative;
}
.ticket.featured::before{
  content:"推荐";position:absolute;top:-12px;left:30px;font-size:.75rem;color:#04211D;background:var(--accent);
  padding:3px 12px;border-radius:999px;font-weight:700;letter-spacing:.06em;
}
.ticket .tname{font-size:1.0625rem;color:#fff;font-weight:700}
.ticket .price{font-family:var(--font-num);font-size:2.6rem;color:#fff;line-height:1.1;margin:12px 0 4px}
.ticket .price small{font-family:var(--font-cn);font-size:.8125rem;color:var(--text-3);margin-left:6px}
.ticket ul{list-style:none;padding:0;margin:22px 0 26px;display:flex;flex-direction:column;gap:10px}
.ticket li{display:flex;gap:10px;font-size:.9375rem;color:var(--text-2);line-height:1.7}
.ticket li i{color:var(--accent);margin-top:6px;font-size:.8125rem}
.ticket .btn-ghost,.ticket .btn-cta{width:100%;justify-content:center;margin-top:auto}
@media (max-width:1199.98px){
  .tickets{grid-template-columns:repeat(3,minmax(280px,1fr));overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:12px}
  .ticket{scroll-snap-align:start}
}
@media (max-width:767.98px){
  .tickets{grid-template-columns:1fr;overflow:visible}
}

/* ---------- cta / form ---------- */
.cta-section{
  position:relative;background:linear-gradient(180deg,var(--bg),var(--bg-section));overflow:hidden;
}
.cta-section::before{
  content:"";position:absolute;inset:-20% -10% auto auto;width:60%;height:70%;
  background:linear-gradient(115deg,rgba(0,224,198,.12),rgba(0,224,198,0));
  transform:rotate(-8deg);pointer-events:none;
}
.cta-grid{display:grid;grid-template-columns:7fr 5fr;gap:32px;position:relative}
.form-panel{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-panel);padding:34px;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:var(--shadow-card);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{margin-bottom:18px}
.field label{display:block;font-size:.875rem;color:var(--text-2);margin-bottom:8px}
.field label .req{color:var(--cta)}
.field input,.field select,.field textarea{
  width:100%;background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:10px;
  padding:14px 16px;color:var(--text);outline:none;transition:border-color var(--ease),box-shadow var(--ease);
}
.field textarea{min-height:110px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--accent);box-shadow:0 0 0 2px rgba(0,224,198,.25);
}
.field select option{background:var(--bg-section);color:var(--text)}
.check{display:flex;gap:10px;align-items:flex-start;font-size:.8125rem;color:var(--text-2);margin-bottom:22px}
.check input{width:18px;height:18px;margin-top:4px;accent-color:var(--accent)}
.trust{display:flex;flex-direction:column;gap:18px}
.trust-card{background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-card);padding:24px}
.trust-card i{color:var(--accent);font-size:1.25rem;margin-bottom:12px;display:block}
.trust-card h3{font-size:1.0625rem;margin-bottom:8px}
.trust-card p{color:var(--text-2);font-size:.875rem;margin:0}
@media (max-width:991.98px){
  .cta-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .form-panel{padding:24px}
}

/* ---------- faq ---------- */
.faq-grid{display:grid;grid-template-columns:5fr 7fr;gap:32px;align-items:start}
.faq-intro{background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-panel);padding:32px}
.faq-intro p{color:var(--text-2);font-size:.9375rem}
.accordion-item{background:var(--glass);border:1px solid var(--line)!important;border-radius:var(--radius-card)!important;margin-bottom:14px;overflow:hidden}
.accordion-button{
  background:transparent!important;color:#fff!important;font-weight:600;font-size:1rem;padding:20px 22px 20px 24px;
  box-shadow:none!important;position:relative;
}
.accordion-button::after{display:none}
.accordion-button::before{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  color:var(--accent);font-family:var(--font-num);font-size:1.4rem;line-height:1;
}
.accordion-button:not(.collapsed)::before{content:"–"}
.accordion-button:not(.collapsed){color:#fff!important;background:rgba(0,224,198,.07)!important}
.accordion-item:has(.accordion-button:not(.collapsed)){border-left:3px solid var(--accent)!important}
.accordion-body{color:var(--text-2);font-size:.9375rem;padding:0 22px 22px 24px;line-height:1.9}
@media (max-width:991.98px){.faq-grid{grid-template-columns:1fr}}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-section);position:relative;padding-top:64px}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(0,224,198,0),rgba(0,224,198,.55),rgba(255,107,44,.35),rgba(0,224,198,0));
}
.footer-grid{display:grid;grid-template-columns:4fr 2fr 3fr 3fr;gap:32px;padding-bottom:44px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{color:var(--text-2);font-size:.875rem;max-width:320px}
.footer-col h4{font-size:1rem;margin-bottom:18px}
.footer-col a,.footer-col li{display:block;color:var(--text-2);font-size:.9375rem;line-height:44px;line-height:2.2;transition:color var(--ease)}
.footer-col a:hover{color:var(--accent)}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col .contact li{color:var(--text-2);font-size:.9375rem}
.footer-col .contact i{color:var(--accent);width:18px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.07);padding:20px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  color:var(--text-3);font-size:.8125rem;
}
@media (max-width:991.98px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:575.98px){.footer-grid{grid-template-columns:1fr}}

@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --bg:#05070E;
  --bg-soft:#0A0F1C;
  --glass:rgba(255,255,255,0.055);
  --glass-strong:rgba(255,255,255,0.09);
  --primary:#0E7BFF;
  --accent:#00E0C6;
  --orange:#FF6B2C;
  --text:#E8EEF9;
  --muted:#9FB0CC;
  --dim:#7C8CA8;
  --line:rgba(255,255,255,0.1);
  --line-accent:rgba(0,224,198,0.45);
  --radius:16px;
  --radius-lg:20px;
  --radius-sm:12px;
  --radius-badge:6px;
  --pill:999px;
  --shadow-card:0 18px 48px rgba(0,0,0,0.45);
  --shadow-cta:0 0 0 1px rgba(0,224,198,0.5), 0 12px 36px rgba(14,123,255,0.35);
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"Barlow Condensed","HarmonyOS Sans",sans-serif;
  --gap:24px;
  --sec-y:96px;
  --ease:0.28s cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:1rem;
  line-height:1.95;
  letter-spacing:0.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  background-image:
    radial-gradient(900px 520px at 82% -8%, rgba(14,123,255,0.16), transparent 62%),
    radial-gradient(700px 420px at 6% 12%, rgba(0,224,198,0.10), transparent 60%);
  background-repeat:no-repeat;
}
img{max-width:100%;display:block;object-fit:cover;}
a{color:var(--text);text-decoration:none;transition:color var(--ease),border-color var(--ease),background var(--ease);}
a:hover{color:var(--accent);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
ul,ol{padding-left:1.15rem;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:0.01em;line-height:1.3;}
p{margin:0 0 1.1em;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}
@media (min-width:1200px) and (max-width:1399px){.container{max-width:1140px;}}
.sec{padding:var(--sec-y) 0;position:relative;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.sec-head h2{font-size:clamp(1.4rem,2.4vw,2rem);position:relative;padding-left:16px;}
.sec-head h2::before{content:"";position:absolute;left:0;top:.22em;width:3px;height:.85em;background:var(--accent);border-radius:2px;}
.sec-head .sec-sub{color:var(--muted);font-size:.875rem;margin:.4em 0 0;max-width:640px;}
.link-more{color:var(--accent);font-size:.875rem;white-space:nowrap;}
.link-more i{margin-left:6px;transition:transform var(--ease);}
.link-more:hover i{transform:translateX(4px);}
/* ---------- header ---------- */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:1030;
  background:rgba(10,15,28,0.28);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  transition:background var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.site-header.scrolled{
  background:rgba(10,15,28,0.94);
  border-bottom-color:var(--line-accent);
  box-shadow:0 14px 40px rgba(0,0,0,0.55);
}
.site-header .navbar{padding:0;background:transparent;}
.nav-inner{display:flex;align-items:center;gap:28px;height:72px;transition:height var(--ease);}
.site-header.scrolled .nav-inner{height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;flex:0 0 38px;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:1.05rem;color:#04121A;
  background:linear-gradient(140deg,var(--accent),var(--primary));
  box-shadow:0 8px 22px rgba(0,224,198,0.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.12;}
.brand-text .b1{font-size:.78rem;color:var(--muted);letter-spacing:.16em;}
.brand-text .b2{font-size:1rem;font-weight:700;color:var(--text);letter-spacing:.04em;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:12px;}
.nav-links a{
  position:relative;padding:8px 12px;border-radius:10px;
  font-size:.9375rem;color:var(--muted);
}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,0.05);}
.nav-links a.active{color:var(--text);}
.nav-links a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:linear-gradient(90deg,var(--accent),transparent);border-radius:2px;
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  background:rgba(255,255,255,0.04);border:1px solid var(--line);
  border-radius:var(--pill);padding:8px 14px;
}
.nav-search i{color:var(--muted);font-size:.85rem;}
.nav-search input{
  background:transparent;border:0;outline:none;width:140px;font-size:.875rem;
}
.nav-search input::placeholder{color:var(--dim);}
.nav-search:focus-within{border-color:var(--line-accent);box-shadow:0 0 0 3px rgba(0,224,198,0.16);}
.btn-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:var(--pill);border:0;cursor:pointer;
  font-size:.9375rem;font-weight:600;color:#180800;
  background:linear-gradient(120deg,#FF8A4C,var(--orange));
  box-shadow:var(--shadow-cta);
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease);
}
.btn-cta:hover{color:#180800;filter:brightness(1.08);transform:translateY(-1px);
  box-shadow:0 0 0 1px rgba(0,224,198,0.6),0 18px 46px rgba(14,123,255,0.45);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:rgba(255,255,255,0.05);border:1px solid var(--line);color:var(--text);
}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 22px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,0.04);border:1px solid var(--line-accent);
  color:var(--accent);font-size:.9375rem;font-weight:600;cursor:pointer;
  transition:background var(--ease),transform var(--ease);
}
.btn-ghost:hover{background:rgba(0,224,198,0.12);color:var(--accent);transform:translateY(-1px);}
.offcanvas.mobile-nav{background:rgba(10,15,28,0.97);color:var(--text);border-left:1px solid var(--line);width:300px;}
.mobile-nav .offcanvas-header{border-bottom:1px solid var(--line);}
.mobile-nav .btn-close{filter:invert(1) grayscale(1) brightness(2);opacity:.7;}
.mobile-nav .m-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 4px;border-bottom:1px solid rgba(255,255,255,0.06);
  color:var(--muted);font-size:1rem;
}
.mobile-nav .m-link.active{color:var(--accent);}
/* ---------- hero band for article ---------- */
.page-band{
  position:relative;padding:150px 0 44px;overflow:hidden;
  border-bottom:1px solid var(--line);
  background-image:linear-gradient(90deg,rgba(5,7,14,0.94) 18%,rgba(5,7,14,0.72) 60%,rgba(5,7,14,0.9)),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.page-band::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(0,224,198,0.6),transparent);
}
.crumbs{
  display:inline-flex;flex-wrap:wrap;align-items:center;gap:8px;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--pill);
  padding:8px 18px;font-size:.8125rem;color:var(--muted);margin-bottom:26px;
}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--accent);}
.crumbs .sep{color:rgba(255,255,255,0.22);}
.crumbs .cur{color:var(--muted);max-width:360px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-h1{
  font-size:clamp(1.6rem,3vw,2.3rem);line-height:1.32;max-width:900px;
}
.meta-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:22px;
}
.meta-item{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--pill);
  padding:7px 15px;font-size:.8125rem;color:var(--muted);
}
.meta-item i{color:var(--accent);font-size:.8rem;}
.meta-item .num{font-family:var(--font-num);font-size:.95rem;letter-spacing:.04em;color:var(--text);}
.badge-cat{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--glass);border:1px solid var(--line-accent);
  color:var(--accent);border-radius:var(--radius-badge);
  padding:6px 12px;font-size:.8125rem;
}
.share-btn{
  width:38px;height:38px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,0.04);border:1px solid var(--line);color:var(--muted);cursor:pointer;
}
.share-btn:hover{border-color:var(--line-accent);color:var(--accent);}
/* ---------- article layout ---------- */
.article-layout{display:flex;gap:48px;align-items:flex-start;}
.article-main{flex:1 1 auto;min-width:0;}
.article-side{flex:0 0 320px;position:sticky;top:96px;}
.article-body{max-width:760px;}
.article-body h2{
  font-size:clamp(1.25rem,2vw,1.6rem);margin:2.2em 0 .8em;padding-left:14px;position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;width:3px;height:.9em;background:var(--accent);border-radius:2px;
}
.article-body h3{font-size:1.25rem;font-weight:600;margin:1.8em 0 .6em;}
.article-body p{color:#D7E1F2;}
.article-body ul,.article-body ol{margin:0 0 1.2em;color:#D7E1F2;}
.article-body li{margin-bottom:.45em;}
.article-body ul li::marker{color:var(--accent);}
.article-body ol li::marker{color:var(--accent);font-family:var(--font-num);}
.article-body blockquote{
  margin:1.6em 0;padding:20px 24px;
  background:var(--glass);border:1px solid var(--line);border-left:3px solid var(--orange);
  border-radius:var(--radius-sm);color:#C9D6EA;font-style:italic;
}
.article-body img{border-radius:var(--radius-sm);margin:1.4em 0;width:100%;aspect-ratio:16/9;object-fit:cover;}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:.8125rem;color:var(--dim);text-align:center;margin-top:.6em;}
.article-body table{display:block;width:100%;overflow-x:auto;border-collapse:collapse;margin:1.6em 0;font-size:.9375rem;}
.article-body th{background:rgba(0,224,198,0.08);color:var(--accent);font-weight:600;border-bottom:1px solid var(--line-accent);}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap;}
.empty-state{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:56px 32px;text-align:center;min-height:240px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
}
.empty-state i{font-size:2rem;color:var(--accent);}
.empty-state h2{font-size:1.3rem;}
.empty-state p{color:var(--muted);max-width:520px;margin:0;}
/* sidebar */
.side-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px;margin-bottom:20px;
  transition:border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.side-card:hover{border-color:var(--line-accent);transform:translateY(-4px);box-shadow:var(--shadow-card);}
.side-card h4{font-size:1rem;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h4 i{color:var(--accent);font-size:.85rem;}
.side-list{list-style:none;padding:0;margin:0;}
.side-list li{border-bottom:1px dashed rgba(255,255,255,0.09);}
.side-list li:last-child{border-bottom:0;}
.side-list a{display:block;padding:11px 0;font-size:.9375rem;color:var(--muted);}
.side-list a:hover{color:var(--accent);}
.side-stat{display:flex;align-items:baseline;gap:8px;margin-top:6px;}
.side-stat .value{font-family:var(--font-num);font-size:2rem;color:var(--accent);line-height:1;}
.side-stat .label{font-size:.8125rem;color:var(--muted);}
.side-cta{
  background:linear-gradient(140deg,rgba(14,123,255,0.22),rgba(0,224,198,0.12));
  border:1px solid var(--line-accent);border-radius:var(--radius-lg);
  padding:24px;text-align:center;
}
.side-cta p{font-size:.875rem;color:#C9D6EA;margin:8px 0 18px;}
.side-cta .btn-cta{width:100%;}
/* ---------- tags / continue ---------- */
.tags-row{display:flex;flex-wrap:wrap;gap:10px;margin:48px 0 36px;padding-top:28px;border-top:1px solid var(--line);}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-badge);
  padding:7px 14px;font-size:.8125rem;color:var(--muted);
}
.tag:hover{border-color:var(--line-accent);color:var(--accent);}
.next-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;max-width:760px;}
.next-card{
  display:block;background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 22px;transition:border-color var(--ease),transform var(--ease);
}
.next-card:hover{border-color:var(--line-accent);transform:translateY(-4px);color:var(--text);}
.next-card .dir{font-size:.8125rem;color:var(--accent);letter-spacing:.08em;}
.next-card strong{display:block;margin-top:8px;font-size:1rem;font-weight:600;}
.next-card span{display:block;color:var(--muted);font-size:.8125rem;margin-top:6px;}
/* ---------- related ---------- */
.card-grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;}
.post-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);
  transition:border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.post-card:hover{border-color:var(--line-accent);transform:translateY(-4px);box-shadow:var(--shadow-card);}
.post-card .thumb{aspect-ratio:16/9;overflow:hidden;border-bottom:1px solid var(--line);}
.post-card .thumb img{width:100%;height:100%;transition:transform .5s ease-out;}
.post-card:hover .thumb img{transform:scale(1.03);}
.post-card .body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.post-card h3{font-size:1.0625rem;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card p{font-size:.875rem;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card .foot{display:flex;align-items:center;justify-content:space-between;font-size:.8125rem;color:var(--dim);margin-top:auto;}
.post-card .foot .num{font-family:var(--font-num);letter-spacing:.05em;}
/* ---------- faq ---------- */
.faq-wrap{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,7fr);gap:48px;align-items:start;}
.faq-side h2{font-size:clamp(1.4rem,2.4vw,2rem);}
.faq-side p{color:var(--muted);font-size:.9375rem;margin-top:16px;}
.accordion-item{
  background:var(--glass) !important;border:1px solid var(--line) !important;
  border-radius:var(--radius) !important;margin-bottom:14px;overflow:hidden;
}
.accordion-button{
  background:transparent !important;color:var(--text) !important;
  font-size:1rem;font-weight:600;padding:20px 24px;box-shadow:none !important;
  border-left:3px solid transparent;
}
.accordion-button:not(.collapsed){color:#fff !important;border-left-color:var(--accent);background:rgba(0,224,198,0.05) !important;}
.accordion-button::after{display:none;}
.accordion-button .mark{margin-left:auto;color:var(--accent);font-family:var(--font-num);font-size:1.35rem;line-height:1;}
.accordion-body{color:var(--muted);font-size:.9375rem;padding:0 24px 22px;line-height:1.85;}
/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.cta-band::before{
  content:"";position:absolute;inset:-40% -10% auto auto;width:640px;height:640px;
  background:linear-gradient(120deg,rgba(0,224,198,0.16),transparent 62%);
  transform:rotate(18deg);pointer-events:none;
}
.cta-inner{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:48px;align-items:center;position:relative;}
.cta-inner h2{font-size:clamp(1.4rem,2.4vw,2rem);}
.cta-inner p{color:var(--muted);margin-top:14px;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.trust-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;}
.trust-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;text-align:center;
}
.trust-card i{font-size:1.25rem;color:var(--accent);}
.trust-card strong{display:block;margin-top:12px;font-size:.9375rem;}
.trust-card span{display:block;font-size:.8125rem;color:var(--muted);margin-top:6px;}
/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);background:rgba(10,15,28,0.7);padding:72px 0 0;position:relative;}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(0,224,198,0.5),transparent);
}
.footer-grid{display:grid;grid-template-columns:4fr 2fr 3fr 3fr;gap:40px;padding-bottom:48px;}
.footer-brand p{color:var(--muted);font-size:.9375rem;margin-top:18px;max-width:340px;}
.footer-col h4{font-size:.9375rem;margin-bottom:18px;color:var(--text);}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:var(--muted);font-size:.9375rem;}
.footer-col a:hover{color:var(--accent);}
.footer-col ul.contact li{
  color:var(--muted);font-size:.9375rem;display:flex;align-items:flex-start;gap:10px;line-height:1.7;
}
.footer-col ul.contact i{color:var(--accent);margin-top:6px;font-size:.85rem;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  border-top:1px solid var(--line);padding:22px 0;font-size:.8125rem;color:var(--dim);
}
/* ---------- responsive ---------- */
@media (max-width:1399px){
  .article-side{flex:0 0 300px;}
}
@media (max-width:1199px){
  .article-layout{flex-direction:column;gap:40px;}
  .article-side{position:static;flex:1 1 auto;width:100%;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
  .article-side .side-card{margin-bottom:0;}
  .article-body{max-width:100%;}
  .card-grid-3{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
}
@media (max-width:991px){
  :root{--sec-y:72px;}
  .nav-links{display:none;}
  .nav-search{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .page-band{padding:126px 0 36px;}
  .faq-wrap{grid-template-columns:1fr;gap:32px;}
  .cta-inner{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .site-header{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);}
}
@media (max-width:767px){
  :root{--sec-y:56px;}
  .container{padding:0 16px;}
  body{font-size:.9375rem;line-height:1.9;}
  .card-grid-3{grid-template-columns:1fr;}
  .next-grid{grid-template-columns:1fr;}
  .article-side{grid-template-columns:1fr;}
  .trust-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .btn-cta,.btn-ghost{width:100%;justify-content:center;}
  .site-header{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);}
  .post-card:hover,.side-card:hover,.next-card:hover{transform:none;}
  .crumbs .cur{max-width:180px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --bg:#05070E;
  --bg-2:#0A0F1C;
  --bg-3:#070B15;
  --glass:rgba(255,255,255,.055);
  --glass-2:rgba(255,255,255,.04);
  --primary:#0E7BFF;
  --accent:#00E0C6;
  --orange:#FF6B2C;
  --text:#E8EEF9;
  --sub:#C9D6EA;
  --muted:#9FB0CC;
  --muted-2:#7C8CA8;
  --line:rgba(255,255,255,.1);
  --line-accent:rgba(0,224,198,.45);
  --r-card:16px;
  --r-panel:20px;
  --r-img:12px;
  --r-badge:6px;
  --r-input:10px;
  --shadow-card:0 18px 48px rgba(0,0,0,.45);
  --shadow-glow:0 0 0 1px rgba(0,224,198,.5),0 12px 36px rgba(14,123,255,.35);
  --ease:.25s ease-out;
  --sec-pad:96px;
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"Barlow Condensed","HarmonyOS Sans","PingFang SC",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.95;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none;transition:color var(--ease)}
a:hover{color:#fff}
button,input,select,textarea{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em}
h1{font-size:clamp(2rem,4.2vw,3.1rem);line-height:1.18}
h2{font-size:clamp(1.4rem,2.4vw,2rem);line-height:1.3}
h3{font-size:1.25rem;line-height:1.45;font-weight:600}
p{margin:0 0 1.1em}
ul{margin:0;padding:0;list-style:none}
::selection{background:rgba(0,224,198,.3);color:#fff}
.container,.container-lg,.container-md,.container-xl,.container-sm{max-width:1280px !important;width:100%;padding-inline:24px;margin-inline:auto}
.num{font-family:var(--font-num);letter-spacing:.02em}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(10,15,28,.28);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  transition:background .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.site-header.scrolled{
  background:rgba(10,15,28,.94);
  border-bottom-color:rgba(0,224,198,.35);
  box-shadow:0 10px 30px rgba(0,0,0,.5);
}
.nav-inner{display:flex;align-items:center;gap:24px;height:72px;transition:height .28s ease}
.site-header.scrolled .nav-inner{height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);flex:0 0 auto}
.brand:hover{color:var(--text)}
.brand-mark{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  color:#04121a;font-weight:800;font-size:18px;
  box-shadow:0 0 0 1px rgba(0,224,198,.4),0 8px 24px rgba(14,123,255,.3);
}
.brand-text{display:flex;flex-direction:column;line-height:1.12}
.brand-text .b1{font-size:15px;font-weight:700;letter-spacing:.08em}
.brand-text .b2{font-size:11px;color:var(--accent);letter-spacing:.22em}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:auto}
.nav-links a{position:relative;color:var(--muted);font-size:15px;padding:8px 0}
.nav-links a:hover{color:var(--text)}
.nav-links a.active{color:#fff}
.nav-links a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--accent);border-radius:2px;box-shadow:0 0 12px rgba(0,224,198,.7);
}
.nav-right{display:flex;align-items:center;gap:16px;margin-left:auto}
.nav-links + .nav-right{margin-left:0}
.nav-search{display:flex;align-items:center;gap:8px;padding:8px 14px;border:1px solid var(--line);border-radius:999px;background:var(--glass-2);transition:border-color var(--ease)}
.nav-search:focus-within{border-color:var(--line-accent);box-shadow:0 0 0 3px rgba(0,224,198,.16)}
.nav-search i{color:var(--muted);font-size:13px}
.nav-search input{background:transparent;border:0;outline:none;color:var(--text);width:140px;font-size:14px}
.nav-search input::placeholder{color:var(--muted-2)}
.btn-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 24px;border-radius:999px;border:0;cursor:pointer;
  background:linear-gradient(180deg,#FF7C40,var(--orange));
  color:#17100b;font-weight:700;font-size:15px;white-space:nowrap;
  box-shadow:0 10px 26px rgba(255,107,44,.32);
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease);
}
.btn-cta:hover{color:#17100b;filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 16px 38px rgba(255,107,44,.5)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:var(--glass);color:var(--text);cursor:pointer;
}
.nav-toggle:hover{border-color:var(--line-accent);color:var(--accent)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;padding:11px 24px;border-radius:12px;
  border:1px solid var(--line-accent);background:rgba(0,224,198,.06);color:var(--accent);
  font-weight:600;cursor:pointer;transition:background var(--ease),color var(--ease),transform var(--ease);
}
.btn-ghost:hover{background:rgba(0,224,198,.14);color:#fff;transform:translateY(-1px)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--accent);font-weight:600;font-size:15px}
.link-arrow i{transition:transform var(--ease)}
.link-arrow:hover i{transform:translateX(4px)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--accent);outline-offset:2px;
}

/* ============ 移动抽屉 ============ */
.mobile-nav{
  background:rgba(8,12,22,.98) !important;
  border-left:1px solid var(--line);width:min(320px,86vw);
  backdrop-filter:blur(14px);
}
.mobile-nav .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 22px}
.mobile-nav .offcanvas-body{padding:22px;display:flex;flex-direction:column;gap:4px}
.mobile-nav .offcanvas-body a.m-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 4px;color:var(--sub);font-size:16px;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.mobile-nav .offcanvas-body a.m-link:hover,.mobile-nav .offcanvas-body a.m-link.active{color:var(--accent)}
.mobile-nav .btn-cta{margin-top:20px;width:100%;padding:13px 20px}
.mobile-nav .btn-close{filter:invert(1) grayscale(1) brightness(2);opacity:.7}

/* ============ 通用 ============ */
.section{padding:var(--sec-pad) 0;position:relative}
.section-alt{background:var(--bg-2)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;flex-wrap:wrap}
.sec-head h2{position:relative;padding-left:16px}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:26px;border-radius:3px;background:var(--accent);box-shadow:0 0 14px rgba(0,224,198,.75);
}
.sec-head .sec-desc{color:var(--muted);font-size:.9375rem;max-width:640px;margin:8px 0 0}
.glass-panel{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-panel);
  box-shadow:var(--shadow-card);position:relative;overflow:hidden;
}
.glass-panel::before{
  content:"";position:absolute;inset:0 0 auto 0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.28),transparent);
}
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-badge);
  border:1px solid var(--line-accent);background:var(--glass);color:var(--accent);
  font-size:.8125rem;font-weight:600;letter-spacing:.04em;
}

/* ============ 面包屑 ============ */
.crumb{
  display:inline-flex;align-items:center;gap:10px;flex-wrap:wrap;
  padding:8px 16px;border-radius:999px;border:1px solid var(--line);background:var(--glass);
  font-size:.8125rem;color:var(--muted);margin-bottom:22px;
}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--accent)}
.crumb .sep{color:rgba(255,255,255,.24)}
.crumb .current{color:var(--muted-2)}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;padding:150px 0 64px;min-height:360px;
  background-image:linear-gradient(180deg,rgba(5,7,14,.78),rgba(5,7,14,.94)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.cat-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:120px;
  background:linear-gradient(180deg,transparent,rgba(0,224,198,.07));
  pointer-events:none;
}
.cat-hero .container{position:relative;z-index:2}
.cat-hero h1{margin-bottom:14px}
.cat-hero h1 .hl{color:var(--accent)}
.hero-sub{color:var(--sub);font-size:1.0625rem;max-width:760px;margin-bottom:34px}
.stat-bar{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;
  padding:22px 26px;border-radius:var(--r-panel);
  background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(14px);
}
.stat-item{border-top:2px solid rgba(0,224,198,.55);padding-top:12px}
.stat-item .v{font-family:var(--font-num);font-size:clamp(1.6rem,2.6vw,2.1rem);font-weight:700;color:#fff;line-height:1.1}
.stat-item .v em{font-style:normal;font-size:.9rem;color:var(--accent);margin-left:4px}
.stat-item .k{color:var(--muted);font-size:.8125rem;margin-top:4px}

/* ============ 筛选条 ============ */
.filter-bar{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  padding:16px 20px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--line);margin-bottom:36px;
}
.chips{display:flex;gap:10px;flex-wrap:wrap}
.chip{
  padding:8px 20px;border-radius:999px;border:1px solid var(--line);
  background:transparent;color:var(--muted);cursor:pointer;font-size:.9375rem;
  transition:all var(--ease);
}
.chip:hover{color:var(--text);border-color:rgba(255,255,255,.28)}
.chip.active{
  color:var(--accent);border-color:var(--line-accent);
  background:rgba(0,224,198,.1);box-shadow:0 0 0 1px rgba(0,224,198,.18);
}
.filter-search{display:flex;align-items:center;gap:10px;min-width:270px;flex:1 1 260px;
  padding:10px 16px;border-radius:999px;border:1px solid var(--line);background:var(--glass-2);}
.filter-search:focus-within{border-color:var(--line-accent);box-shadow:0 0 0 3px rgba(0,224,198,.14)}
.filter-search i{color:var(--muted)}
.filter-search input{flex:1;background:transparent;border:0;outline:none;color:var(--text);font-size:.9375rem}
.filter-search input::placeholder{color:var(--muted-2)}

/* ============ 场次卡 ============ */
.event-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
.ev-card{
  display:flex;flex-direction:column;border-radius:var(--r-card);overflow:hidden;
  background:var(--glass);border:1px solid var(--line);box-shadow:var(--shadow-card);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.ev-card:hover{transform:translateY(-4px);border-color:var(--line-accent);box-shadow:0 24px 56px rgba(0,0,0,.55)}
.ev-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#0b1220}
.ev-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out}
.ev-card:hover .ev-media img{transform:scale(1.03)}
.ev-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,7,14,.05),rgba(5,7,14,.62));
}
.status{
  position:absolute;top:12px;left:12px;z-index:2;
  padding:4px 12px;border-radius:var(--r-badge);font-size:.8125rem;font-weight:600;
  backdrop-filter:blur(8px);border:1px solid transparent;
}
.st-open{color:var(--accent);border-color:rgba(0,224,198,.55);background:rgba(0,224,198,.12)}
.st-soon{color:var(--orange);border-color:rgba(255,107,44,.55);background:rgba(255,107,44,.12)}
.st-end{color:var(--muted);border-color:rgba(255,255,255,.2);background:rgba(255,255,255,.08)}
.ev-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.ev-body h3{font-size:1.125rem;margin-bottom:12px}
.ev-body h3 a{color:var(--text)}
.ev-body h3 a:hover{color:var(--accent)}
.ev-meta{display:flex;flex-direction:column;gap:8px;color:var(--muted);font-size:.875rem;margin-bottom:16px}
.ev-meta span{display:flex;align-items:center;gap:9px}
.ev-meta i{color:var(--accent);width:15px;text-align:center;font-size:13px}
.ev-meta .num{color:var(--sub);font-size:.9375rem;letter-spacing:.04em}
.ev-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}
.tag{font-size:.8125rem;color:var(--muted);border:1px solid var(--line);border-radius:var(--r-badge);padding:3px 10px}
.ev-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px}
.ev-foot .quota{font-size:.8125rem;color:var(--muted-2)}
.btn-sm-ghost{
  display:inline-flex;align-items:center;gap:6px;padding:9px 20px;border-radius:12px;
  border:1px solid var(--line-accent);background:rgba(0,224,198,.06);color:var(--accent);
  font-size:.9375rem;font-weight:600;transition:all var(--ease);white-space:nowrap;
}
.btn-sm-ghost:hover{background:rgba(0,224,198,.15);color:#fff;transform:translateY(-1px)}

/* ============ 分页 ============ */
.pager{display:flex;justify-content:center;align-items:center;gap:10px;flex-wrap:wrap;margin-top:48px}
.pager a,.pager .current,.pager .dots{
  min-width:44px;height:44px;padding:0 16px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:999px;border:1px solid var(--line);background:var(--glass);
  color:var(--sub);font-size:.9375rem;font-family:var(--font-num);letter-spacing:.04em;
  transition:all var(--ease);
}
.pager a:hover{border-color:var(--line-accent);color:var(--accent);transform:translateY(-1px)}
.pager .current{border-color:var(--accent);color:var(--accent);background:rgba(0,224,198,.1)}
.pager .dots{border-color:transparent;background:transparent;color:var(--muted-2)}

/* ============ 引导卡 ============ */
.guide-card{
  margin-top:56px;padding:34px 36px;border-radius:var(--r-panel);
  background:linear-gradient(120deg,rgba(14,123,255,.14),rgba(0,224,198,.06));
  border:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;
  gap:28px;flex-wrap:wrap;
}
.guide-card h3{margin-bottom:8px}
.guide-card p{color:var(--muted);font-size:.9375rem;margin:0}
.guide-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 赛前服务 ============ */
.svc-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.svc-card{
  padding:26px 24px;border-radius:var(--r-card);background:var(--glass);
  border:1px solid var(--line);transition:transform var(--ease),border-color var(--ease);
}
.svc-card:hover{transform:translateY(-4px);border-color:var(--line-accent)}
.svc-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;margin-bottom:18px;
  background:rgba(0,224,198,.1);border:1px solid var(--line-accent);color:var(--accent);font-size:18px;
}
.svc-card h3{font-size:1.0625rem;margin-bottom:10px}
.svc-card p{color:var(--muted);font-size:.9375rem;margin:0}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto}
.accordion-item{
  background:var(--glass);border:1px solid var(--line);border-radius:14px !important;
  margin-bottom:14px;overflow:hidden;
}
.accordion-item:has(.accordion-button:not(.collapsed)){border-color:var(--line-accent)}
.accordion-button{
  background:transparent;color:var(--text);font-size:1.0625rem;font-weight:600;
  padding:20px 24px;box-shadow:none;gap:12px;align-items:center;
}
.accordion-button:not(.collapsed){color:#fff;background:rgba(0,224,198,.05);box-shadow:none}
.accordion-button:focus{box-shadow:none;border-color:transparent}
.accordion-button::after{display:none}
.acc-plus{position:relative;width:32px;height:32px;flex:0 0 auto;margin-left:auto;border-radius:50%;border:1px solid var(--line-accent)}
.acc-plus::before,.acc-plus::after{content:"";position:absolute;left:50%;top:50%;background:var(--accent);transition:transform .25s ease-out}
.acc-plus::before{width:13px;height:2px;transform:translate(-50%,-50%)}
.acc-plus::after{width:2px;height:13px;transform:translate(-50%,-50%)}
.accordion-button:not(.collapsed) .acc-plus::after{transform:translate(-50%,-50%) scaleY(0)}
.accordion-button:not(.collapsed){border-left:3px solid var(--accent)}
.accordion-body{padding:4px 24px 24px;color:var(--sub);font-size:.9375rem;line-height:1.9}
.accordion-body p:last-child{margin-bottom:0}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-panel);
  padding:52px 48px;border:1px solid var(--line);
  background:
    linear-gradient(100deg,rgba(5,7,14,.9),rgba(5,7,14,.72)),
    url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;top:-40%;left:-10%;width:70%;height:180%;
  background:linear-gradient(90deg,transparent,rgba(0,224,198,.12),transparent);
  transform:rotate(12deg);pointer-events:none;
}
.cta-band h2{margin-bottom:10px}
.cta-band p{color:var(--sub);margin:0;max-width:640px}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--bg-3);border-top:1px solid transparent;
  padding:76px 0 26px;margin-top:0;position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(0,224,198,.55),rgba(14,123,255,.35),transparent);
}
.footer-grid{display:grid;grid-template-columns:4fr 2fr 3fr 3fr;gap:40px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{color:var(--muted);font-size:.9375rem;max-width:360px;margin:0}
.footer-col h4{font-size:1rem;margin-bottom:18px;color:#fff}
.footer-col ul{display:flex;flex-direction:column;gap:2px}
.footer-col ul a{display:inline-flex;align-items:center;min-height:44px;color:var(--muted);font-size:.9375rem}
.footer-col ul a:hover{color:var(--accent)}
.footer-col ul.contact li{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:.9375rem;min-height:38px}
.footer-col ul.contact i{color:var(--accent);width:16px;text-align:center;font-size:13px}
.footer-bottom{
  margin-top:56px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  color:var(--muted-2);font-size:.8125rem;
}

/* ============ 响应式 ============ */
@media (max-width:1399px){
  .container,.container-lg,.container-md,.container-xl,.container-sm{max-width:1140px !important}
  body{font-size:15.5px}
}
@media (max-width:1199px){
  .event-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .svc-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:3fr 2fr 3fr 3fr;gap:32px}
}
@media (max-width:991px){
  :root{--sec-pad:72px}
  .nav-links{display:none}
  .nav-search{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-right{margin-left:auto}
  .nav-inner{height:64px}
  .cat-hero{padding:126px 0 52px}
  .stat-bar{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1 / -1}
  .cta-band{padding:40px 30px}
}
@media (max-width:767px){
  :root{--sec-pad:56px}
  .container,.container-lg,.container-md,.container-xl,.container-sm{padding-inline:16px}
  body{font-size:.9375rem;line-height:1.85}
  .cat-hero{padding:112px 0 44px;min-height:auto}
  .hero-sub{font-size:1rem;margin-bottom:26px}
  .stat-bar{padding:18px;grid-template-columns:repeat(2,minmax(0,1fr))}
  .filter-bar{padding:14px;flex-direction:column;align-items:stretch}
  .filter-search{min-width:0}
  .chips{overflow-x:auto;padding-bottom:4px;flex-wrap:nowrap}
  .chip{white-space:nowrap}
  .event-grid{grid-template-columns:1fr;gap:22px}
  .svc-grid{grid-template-columns:1fr}
  .guide-card{padding:26px 22px;flex-direction:column;align-items:flex-start}
  .guide-actions{width:100%}
  .guide-actions .btn-cta,.guide-actions .btn-ghost{width:100%}
  .cta-band{padding:32px 22px}
  .cta-band .btn-cta{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .accordion-button{padding:18px;font-size:1rem}
  .accordion-body{padding:2px 18px 20px}
  .ev-body{padding:20px}
}
@media (max-width:520px){
  .stat-bar{grid-template-columns:1fr 1fr}
  .ev-foot{flex-direction:column;align-items:stretch}
  .btn-sm-ghost{justify-content:center}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
  --bg:#05070E;
  --bg-2:#0A0F1C;
  --card:rgba(255,255,255,.055);
  --card-hi:rgba(255,255,255,.09);
  --line:rgba(255,255,255,.1);
  --line-cy:rgba(0,224,198,.45);
  --blue:#0E7BFF;
  --cyan:#00E0C6;
  --orange:#FF6B2C;
  --text:#E8EEF9;
  --muted:#9FB0CC;
  --soft:#C9D6EA;
  --dim:#7C8CA8;
  --radius:16px;
  --radius-lg:20px;
  --radius-sm:12px;
  --shadow-card:0 18px 48px rgba(0,0,0,.45);
  --shadow-cta:0 0 0 1px rgba(0,224,198,.5),0 12px 36px rgba(14,123,255,.35);
  --ease:.25s ease-out;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"Barlow Condensed","HarmonyOS Sans",sans-serif;
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;padding:0;background:var(--bg);color:var(--text);
  font-family:var(--font);font-size:1rem;line-height:1.95;letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--radius-sm);object-fit:cover}
a{color:var(--cyan);text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease)}
a:hover{color:#6ff3e3}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em}
h1{font-size:clamp(2rem,4.2vw,3.1rem);line-height:1.18}
h2{font-size:clamp(1.4rem,2.4vw,2rem);line-height:1.3}
h3{font-size:1.25rem;line-height:1.45;font-weight:600}
ul,ol{margin:0;padding:0;list-style:none}
button,input,textarea,select{font-family:inherit;font-size:inherit}
::selection{background:rgba(0,224,198,.3);color:#fff}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}

/* ---------- bootstrap overrides ---------- */
.container{max-width:1280px;padding-left:24px;padding-right:24px;margin:0 auto}
.row{--bs-gutter-x:32px;--bs-gutter-y:28px}
.col,.col-1,.col-2,.col-3,.col-4,.col-5,.col-6,.col-7,.col-8,.col-9,.col-10,.col-11,.col-12,
[class*="col-"]{padding-right:calc(var(--bs-gutter-x)*.5);padding-left:calc(var(--bs-gutter-x)*.5)}
.btn{border-radius:999px;font-weight:600;transition:all var(--ease)}
.btn:focus,.btn:active:focus,.btn-check:focus+.btn{box-shadow:none}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(10,15,28,.28);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  transition:background .28s ease,box-shadow .28s ease,border-color .28s ease,height .28s ease;
}
.site-header.scrolled{
  background:rgba(10,15,28,.94);
  border-bottom-color:rgba(0,224,198,.3);
  box-shadow:0 14px 38px rgba(0,0,0,.5);
}
.site-header .navbar{padding:0}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;transition:height .28s ease}
.site-header.scrolled .nav-inner{height:64px}
.brand{display:flex;align-items:center;gap:12px;color:var(--text);flex:0 0 auto}
.brand:hover{color:var(--text)}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(14,123,255,.9),rgba(0,224,198,.75));
  color:#05070E;font-weight:700;font-size:1.15rem;letter-spacing:0;
  box-shadow:0 10px 26px rgba(14,123,255,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.12}
.brand-text .b1{font-size:.75rem;color:var(--muted);letter-spacing:.28em}
.brand-text .b2{font-size:1.05rem;font-weight:700;color:var(--text)}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-links a{
  position:relative;padding:9px 14px;border-radius:10px;color:var(--muted);
  font-size:.9375rem;font-weight:500;white-space:nowrap;
}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-links a.active{color:var(--text)}
.nav-links a.active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:2px;
  width:20px;height:2px;border-radius:2px;background:var(--cyan);
}
.nav-right{display:flex;align-items:center;gap:14px;flex:0 1 auto}
.nav-search{
  display:flex;align-items:center;gap:9px;padding:9px 14px;border-radius:999px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--muted);
}
.nav-search i{font-size:.85rem;color:var(--cyan)}
.nav-search input{
  background:transparent;border:0;outline:none;color:var(--text);width:150px;font-size:.875rem;
}
.nav-search input::placeholder{color:var(--dim)}
.btn-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 24px;border-radius:999px;border:0;
  background:var(--orange);color:#0A0F1C;font-weight:700;font-size:.9375rem;white-space:nowrap;
  box-shadow:var(--shadow-cta);
}
.btn-cta:hover{color:#05070E;filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(0,224,198,.6),0 18px 48px rgba(255,107,44,.42)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;align-items:center;justify-content:center;
  background:rgba(255,255,255,.06);border:1px solid var(--line);color:var(--text);cursor:pointer;
}
.nav-toggle:hover{border-color:var(--line-cy)}

/* offcanvas */
.offcanvas.offcanvas-end{background:rgba(10,15,28,.97);border-left:1px solid var(--line);color:var(--text);width:320px}
.offcanvas-header{border-bottom:1px solid var(--line);padding:18px 22px}
.offcanvas-header .btn-close{filter:invert(1) grayscale(1) brightness(1.6);opacity:.7}
.offcanvas-body{padding:18px 22px 26px;display:flex;flex-direction:column;gap:6px}
.oc-link{
  display:block;padding:14px 6px;color:var(--soft);border-bottom:1px solid rgba(255,255,255,.06);
  font-size:1rem;line-height:1.5;
}
.oc-link.active{color:var(--cyan)}
.oc-link:hover{color:var(--cyan)}
.oc-foot{margin-top:auto;padding-top:22px}
.oc-foot .btn-cta{width:100%}

/* ---------- page banner ---------- */
.page-banner{
  position:relative;padding:168px 0 72px;overflow:hidden;
  background:
    linear-gradient(100deg,rgba(5,7,14,.92) 12%,rgba(5,7,14,.68) 58%,rgba(5,7,14,.9) 100%),
    url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
}
.page-banner::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(0,224,198,.55),transparent);
}
.banner-inner{max-width:900px}
.crumb{
  display:inline-flex;align-items:center;gap:10px;flex-wrap:wrap;
  padding:8px 16px;border-radius:999px;margin-bottom:26px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  font-size:.8125rem;color:var(--dim);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--cyan)}
.crumb span{color:rgba(255,255,255,.22)}
.crumb em{font-style:normal;color:var(--muted)}
.banner-title{margin-bottom:18px}
.banner-title strong{
  display:block;font-size:.8125rem;font-weight:600;letter-spacing:.34em;color:var(--cyan);
  text-transform:uppercase;margin-bottom:14px;
}
.banner-lead{max-width:760px;color:var(--soft);font-size:1.0625rem;line-height:1.9}
.banner-stats{
  display:flex;flex-wrap:wrap;gap:38px;margin-top:36px;padding-top:26px;
  border-top:1px solid var(--line);
}
.banner-stats li{display:flex;flex-direction:column;gap:4px;position:relative;padding-top:12px}
.banner-stats li::before{
  content:"";position:absolute;top:0;left:0;width:26px;height:2px;border-radius:2px;background:var(--cyan);
}
.banner-stats .num{font-family:var(--font-num);font-size:1.7rem;font-weight:600;letter-spacing:.02em;color:#fff;line-height:1.1}
.banner-stats .lb{font-size:.8125rem;color:var(--muted)}

/* ---------- notice bar ---------- */
.notice-bar{
  display:flex;align-items:flex-start;gap:16px;
  margin-top:-26px;position:relative;z-index:2;
  padding:20px 26px;border-radius:var(--radius);
  background:rgba(10,15,28,.92);border:1px solid var(--line);border-left:3px solid var(--orange);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);
}
.notice-bar i{color:var(--orange);font-size:1.05rem;margin-top:6px}
.notice-bar p{font-size:.9375rem;color:var(--soft);margin:0}

/* ---------- section ---------- */
.section{padding:96px 0}
.section-alt{background:var(--bg-2);border-top:1px solid rgba(255,255,255,.05);border-bottom:1px solid rgba(255,255,255,.05)}
.section-head{margin-bottom:44px;max-width:720px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:.8125rem;font-weight:600;
  letter-spacing:.24em;color:var(--cyan);text-transform:uppercase;margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--cyan)}
.section-title{margin-bottom:14px}
.section-desc{color:var(--muted);font-size:.9375rem}

/* ---------- steps ---------- */
.step-list{display:flex;flex-direction:column}
.step-card{
  display:flex;gap:22px;align-items:flex-start;padding:26px 28px;border-radius:var(--radius);
  background:var(--card);border:1px solid var(--line);
  transition:border-color var(--ease),transform var(--ease),background var(--ease);
}
.step-card:hover{border-color:var(--line-cy);transform:translateY(-4px);background:var(--card-hi)}
.step-num{
  flex:0 0 58px;width:58px;height:58px;border-radius:50%;display:grid;place-items:center;
  border:1px solid rgba(0,224,198,.5);background:rgba(0,224,198,.06);
  font-family:var(--font-num);font-size:1.7rem;font-weight:600;color:var(--cyan);line-height:1;
  box-shadow:0 0 0 6px rgba(0,224,198,.04);
}
.step-body h3{margin-bottom:10px;color:#fff}
.step-body p{color:var(--soft);font-size:.9375rem;line-height:1.9;margin:0}
.step-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.step-connector{height:20px;margin-left:29px;border-left:1px dashed rgba(0,224,198,.35)}

/* ---------- side stack ---------- */
.side-stack{position:sticky;top:104px;display:flex;flex-direction:column;gap:20px}
.side-card{
  padding:24px;border-radius:var(--radius);background:var(--card);border:1px solid var(--line);
}
.side-card h3{font-size:1.0625rem;color:#fff;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.side-card h3 i{color:var(--cyan);font-size:.95rem}
.side-list{display:flex;flex-direction:column;gap:12px}
.side-list li{
  display:flex;gap:10px;font-size:.875rem;color:var(--soft);line-height:1.8;
}
.side-list li i{color:var(--cyan);font-size:.7rem;margin-top:8px;flex:0 0 auto}
.side-quick{display:flex;flex-direction:column;gap:2px}
.side-quick a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:13px 4px;font-size:.875rem;color:var(--soft);border-bottom:1px solid rgba(255,255,255,.06);
}
.side-quick a:last-child{border-bottom:0}
.side-quick a:hover{color:var(--cyan)}
.side-quick a i{font-size:.72rem;color:var(--cyan);transition:transform var(--ease)}
.side-quick a:hover i{transform:translateX(4px)}
.side-card.accent{
  border-color:var(--line-cy);
  background:linear-gradient(160deg,rgba(14,123,255,.14),rgba(0,224,198,.06));
}
.side-card.accent p{font-size:.875rem;color:var(--soft);margin-bottom:18px}
.side-card .btn-cta{width:100%}

/* ---------- misc cards ---------- */
.check-card{
  display:grid;grid-template-columns:5fr 7fr;gap:0;overflow:hidden;
  border-radius:var(--radius-lg);border:1px solid var(--line);background:var(--card);
}
.check-media{position:relative;min-height:320px}
.check-media img{width:100%;height:100%;border-radius:0;object-fit:cover}
.check-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(5,7,14,.15),rgba(5,7,14,.85));
}
.check-body{padding:40px 42px}
.check-body h2{font-size:clamp(1.3rem,2vw,1.7rem);margin-bottom:20px}
.check-list{display:flex;flex-direction:column;gap:16px}
.check-list li{display:flex;gap:14px;font-size:.9375rem;color:var(--soft);line-height:1.85}
.check-list li span.tag{
  flex:0 0 auto;display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:6px;
  font-size:.75rem;color:var(--cyan);background:rgba(0,224,198,.08);border:1px solid rgba(0,224,198,.3);
  white-space:nowrap;
}

/* ---------- capability grid ---------- */
.cap-grid{row-gap:24px}
.cap-card{
  height:100%;padding:28px 24px;border-radius:var(--radius);background:var(--card);
  border:1px solid var(--line);transition:border-color var(--ease),transform var(--ease),background var(--ease);
}
.cap-card:hover{border-color:var(--line-cy);transform:translateY(-4px);background:var(--card-hi)}
.cap-icon{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;margin-bottom:18px;
  background:rgba(14,123,255,.14);border:1px solid rgba(14,123,255,.36);color:#7fc0ff;font-size:1.1rem;
}
.cap-card h3{font-size:1.0625rem;margin-bottom:10px;color:#fff}
.cap-card p{font-size:.875rem;color:var(--muted);line-height:1.85;margin:0}
.cap-card .num{
  font-family:var(--font-num);font-size:1.5rem;color:rgba(255,255,255,.14);
  float:right;line-height:1;margin-top:-6px;
}

/* ---------- faq ---------- */
.faq-wrap{max-width:820px;margin:0 auto}
.accordion{--bs-accordion-bg:transparent;--bs-accordion-transition:none;--bs-accordion-border-color:transparent;
  --bs-accordion-btn-padding-x:0;--bs-accordion-btn-padding-y:0;--bs-accordion-btn-focus-box-shadow:none;
  --bs-accordion-body-padding-x:0;--bs-accordion-body-padding-y:0;--bs-accordion-active-bg:transparent}
.accordion-item{
  background:var(--card);border:1px solid var(--line);border-radius:14px;margin-bottom:14px;overflow:hidden;
}
.accordion-button{
  position:relative;background:transparent;color:var(--text);font-size:1rem;font-weight:600;
  padding:22px 58px 22px 24px;line-height:1.6;border-radius:14px;
}
.accordion-button::after{display:none!important}
.accordion-button::before{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-family:var(--font-num);font-size:1.5rem;line-height:1;color:var(--cyan);font-weight:500;
}
.accordion-button:not(.collapsed){color:#fff;background:rgba(0,224,198,.05);box-shadow:inset 3px 0 0 var(--cyan)}
.accordion-button:not(.collapsed)::before{content:"−"}
.accordion-button:focus{box-shadow:none}
.accordion-body{
  padding:0 26px 24px 24px;color:var(--muted);font-size:.9375rem;line-height:1.9;
}
.accordion-body p{margin-bottom:.8em}

/* ---------- cta ---------- */
.cta-panel{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  padding:56px 52px;border:1px solid var(--line);
  background:
    linear-gradient(115deg,rgba(14,123,255,.18),rgba(5,7,14,.2) 46%,rgba(0,224,198,.12)),
    var(--bg-2);
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-panel::after{
  content:"";position:absolute;top:-60%;left:-10%;width:60%;height:220%;transform:rotate(14deg);
  background:linear-gradient(90deg,transparent,rgba(0,224,198,.1),transparent);pointer-events:none;
}
.cta-copy{max-width:620px;position:relative;z-index:1}
.cta-copy h2{margin-bottom:12px}
.cta-copy p{color:var(--soft);font-size:.9375rem;margin:0}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;padding:12px 26px;border-radius:12px;
  background:rgba(255,255,255,.04);border:1px solid rgba(0,224,198,.45);color:var(--text);
  font-weight:600;font-size:.9375rem;
}
.btn-ghost:hover{background:rgba(0,224,198,.12);color:#fff;border-color:var(--line-cy)}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;font-size:.875rem;font-weight:600;color:var(--cyan);
}
.link-arrow i{transition:transform var(--ease)}
.link-arrow:hover i{transform:translateX(4px)}

/* ---------- footer ---------- */
.site-footer{
  margin-top:0;padding:72px 0 0;background:var(--bg-2);position:relative;
  border-top:1px solid rgba(255,255,255,.06);
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(0,224,198,.6),rgba(14,123,255,.4),transparent);
}
.footer-grid{display:grid;grid-template-columns:4fr 2fr 3fr 3fr;gap:44px;padding-bottom:52px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{font-size:.875rem;color:var(--muted);line-height:1.9;max-width:360px}
.footer-col h4{font-size:.9375rem;color:#fff;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col ul li{font-size:.875rem;line-height:1.75}
.footer-col ul a{color:var(--muted);display:inline-block;min-height:24px}
.footer-col ul a:hover{color:var(--cyan)}
.footer-col ul.contact li{display:flex;gap:10px;color:var(--muted);align-items:flex-start}
.footer-col ul.contact i{color:var(--cyan);font-size:.8rem;margin-top:8px;flex:0 0 auto}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0 30px;border-top:1px solid rgba(255,255,255,.07);
  font-size:.8125rem;color:var(--dim);
}

/* ---------- responsive ---------- */
@media (max-width:1399.98px){
  .container{max-width:1140px}
  h1{font-size:clamp(1.9rem,3.9vw,2.85rem)}
  .check-body{padding:34px 34px}
}
@media (max-width:1199.98px){
  .nav-search input{width:120px}
  .nav-links a{padding:9px 11px;font-size:.9rem}
  .footer-grid{grid-template-columns:4fr 2fr 3fr 3fr;gap:32px}
}
@media (max-width:991.98px){
  .container{padding-left:20px;padding-right:20px}
  .nav-links,.nav-search{display:none}
  .nav-toggle{display:inline-flex}
  .section{padding:72px 0}
  .page-banner{padding:140px 0 60px}
  .side-stack{position:static}
  .check-card{grid-template-columns:1fr}
  .check-media{min-height:240px}
  .check-media::after{background:linear-gradient(180deg,rgba(5,7,14,.12),rgba(5,7,14,.9))}
  .check-body{padding:30px 26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .footer-brand{grid-column:1/-1}
  .cta-panel{padding:42px 32px}
}
@media (max-width:767.98px){
  body{font-size:.9375rem;line-height:1.9}
  .container{padding-left:16px;padding-right:16px}
  .section{padding:56px 0}
  .page-banner{padding:126px 0 52px}
  .banner-stats{gap:26px}
  .banner-stats .num{font-size:1.4rem}
  .step-card{flex-direction:column;gap:16px;padding:22px 20px}
  .step-connector{margin-left:0;border-left:0;height:14px}
  .notice-bar{padding:18px 18px;margin-top:-18px}
  .cap-card{padding:24px 20px}
  .cta-panel{padding:34px 22px;flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn-cta,.cta-actions .btn-ghost{width:100%;justify-content:center}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .accordion-button{padding:18px 52px 18px 18px;font-size:.9375rem}
  .accordion-body{padding:0 20px 20px 18px}
}
@media (max-width:519.98px){
  .brand-text .b2{font-size:.95rem}
  .banner-stats{flex-direction:column;gap:18px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
  .step-card:hover,.cap-card:hover{transform:none}
}

/* roulang page: category3 */
:root{
  --bg:#05070E;
  --bg-2:#0A0F1C;
  --glass:rgba(255,255,255,.055);
  --glass-soft:rgba(255,255,255,.04);
  --glass-strong:rgba(255,255,255,.09);
  --line:rgba(255,255,255,.1);
  --line-teal:rgba(0,224,198,.45);
  --blue:#0E7BFF;
  --teal:#00E0C6;
  --orange:#FF6B2C;
  --text:#E8EEF9;
  --muted:#9FB0CC;
  --muted-2:#7C8CA8;
  --body-copy:#C9D6EA;
  --r-card:16px;
  --r-panel:20px;
  --r-img:12px;
  --r-badge:6px;
  --sh-card:0 18px 48px rgba(0,0,0,.45);
  --sh-glow:0 0 0 1px rgba(0,224,198,.5),0 12px 36px rgba(14,123,255,.35);
  --sh-orange:0 12px 32px rgba(255,107,44,.32);
  --t:.25s ease-out;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"Barlow Condensed","HarmonyOS Sans","PingFang SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:1rem;
  line-height:1.95;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--teal);text-decoration:none;transition:color var(--t),border-color var(--t),background-color var(--t)}
a:hover{color:#fff}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{line-height:1.35;color:#fff}
button{font-family:inherit}
::selection{background:rgba(0,224,198,.28);color:#fff}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px}

.container,
.container-fluid,
.container-sm,
.container-md,
.container-lg,
.container-xl{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media (max-width:1199.98px){
  .container,.container-fluid,.container-sm,.container-md,.container-lg,.container-xl{max-width:1140px}
}
@media (max-width:767.98px){
  .container,.container-fluid,.container-sm,.container-md,.container-lg,.container-xl{padding-left:16px;padding-right:16px}
}

/* ============ 导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1030;
  background:rgba(10,15,28,.28);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  transition:background .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.site-header.scrolled{
  background:rgba(10,15,28,.94);
  border-bottom-color:var(--line-teal);
  box-shadow:0 14px 36px rgba(0,0,0,.55);
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:20px;
  height:72px;
  transition:height .28s ease;
}
.site-header.scrolled .nav-inner{height:64px}
.brand{display:inline-flex;align-items:center;gap:12px;color:#fff}
.brand:hover{color:#fff}
.brand-mark{
  width:38px;height:38px;
  flex:0 0 38px;
  border-radius:11px;
  display:grid;place-items:center;
  font-size:1.05rem;font-weight:700;
  color:#04121A;
  background:linear-gradient(140deg,#0E7BFF,#00E0C6);
  box-shadow:0 8px 22px rgba(14,123,255,.38);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text .b1{font-size:.95rem;font-weight:700;color:#fff;letter-spacing:.04em}
.brand-text .b2{font-size:.7rem;color:var(--muted);letter-spacing:.14em}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:10px 14px;
  border-radius:10px;
  font-size:.95rem;
  color:var(--muted);
  white-space:nowrap;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.05)}
.nav-links a.active{color:#fff}
.nav-links a.active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:3px;
  height:2px;border-radius:2px;
  background:var(--teal);
  box-shadow:0 0 10px rgba(0,224,198,.7);
}
.nav-right{display:flex;align-items:center;gap:14px;margin-left:auto}
.nav-search{
  display:flex;align-items:center;gap:9px;
  padding:8px 15px;
  border-radius:999px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  color:var(--muted);
  transition:border-color var(--t),box-shadow var(--t);
}
.nav-search:focus-within{border-color:var(--line-teal);box-shadow:0 0 0 2px rgba(0,224,198,.22)}
.nav-search i{font-size:.85rem}
.nav-search input{
  width:150px;
  background:transparent;
  border:0;outline:none;
  color:var(--text);
  font-size:.9rem;
}
.nav-search input::placeholder{color:var(--muted-2)}
.btn-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 24px;
  border-radius:999px;
  border:0;
  background:var(--orange);
  color:#160701;
  font-size:.95rem;font-weight:700;
  letter-spacing:.02em;
  box-shadow:0 10px 26px rgba(255,107,44,.28);
  transition:filter var(--t),box-shadow var(--t),transform var(--t);
}
.btn-cta:hover{
  color:#160701;
  filter:brightness(1.08);
  transform:translateY(-1px);
  box-shadow:0 16px 40px rgba(255,107,44,.42);
}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  align-items:center;justify-content:center;
  border-radius:12px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  color:var(--text);
  font-size:1.05rem;
  transition:border-color var(--t),color var(--t);
}
.nav-toggle:hover{border-color:var(--line-teal);color:var(--teal)}

/* 移动端抽屉 */
.offcanvas.mobile-nav{
  background:rgba(10,15,28,.97);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-left:1px solid var(--line);
  color:var(--text);
  width:min(86vw,340px);
}
.mobile-nav .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px}
.mobile-nav .offcanvas-body{display:flex;flex-direction:column;padding:20px}
.mobile-nav .mobile-links{display:flex;flex-direction:column;gap:6px;margin-bottom:24px}
.mobile-nav .mobile-links a{
  display:flex;align-items:center;
  min-height:48px;
  padding:0 16px;
  border-radius:12px;
  color:var(--muted);
  font-size:1rem;
  border:1px solid transparent;
}
.mobile-nav .mobile-links a:hover{color:#fff;background:rgba(255,255,255,.05)}
.mobile-nav .mobile-links a.active{
  color:#fff;
  border-color:var(--line-teal);
  background:rgba(0,224,198,.08);
}
.mobile-nav .btn-close{
  filter:invert(1) grayscale(1);
  opacity:.75;
}
.mobile-nav .btn-close:hover{opacity:1}
.mobile-nav .btn-cta{margin-top:auto}

/* ============ 通用板块 ============ */
.section{padding:96px 0}
.section-alt{background:var(--bg-2)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:44px}
.section-title{
  position:relative;
  padding-left:16px;
  font-size:clamp(1.4rem,2.4vw,2rem);
  font-weight:700;
}
.section-title::before{
  content:"";
  position:absolute;left:0;top:.2em;bottom:.2em;
  width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--teal),rgba(0,224,198,0));
}
.section-desc{color:var(--muted);font-size:.95rem;max-width:640px;margin-top:10px}
.text-link{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--teal);font-size:.9rem;
}
.text-link i{transition:transform var(--t)}
.text-link:hover i{transform:translateX(4px)}

/* ============ Hero ============ */
.page-hero{
  position:relative;
  padding:158px 0 72px;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,7,14,.86),rgba(5,7,14,.93) 58%,#05070E 100%);
}
.page-hero::after{
  content:"";
  position:absolute;left:0;right:0;bottom:0;height:220px;
  background:radial-gradient(60% 100% at 50% 100%,rgba(0,224,198,.16),transparent 70%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:1}
.crumbs{
  display:inline-flex;align-items:center;gap:10px;
  padding:8px 16px;
  border-radius:999px;
  background:var(--glass);
  border:1px solid var(--line);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  font-size:.8125rem;
  color:var(--muted);
}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--teal)}
.crumbs .sep{color:rgba(255,255,255,.24)}
.crumbs .cur{color:var(--muted)}
.hero-label{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:26px;
  padding:6px 14px;
  border-radius:var(--r-badge);
  background:rgba(0,224,198,.08);
  border:1px solid var(--line-teal);
  color:var(--teal);
  font-size:.8125rem;
  letter-spacing:.06em;
}
.hero-title{
  font-size:clamp(2rem,4.2vw,3.1rem);
  line-height:1.18;
  font-weight:700;
  margin:18px 0 16px;
}
.hero-sub{
  max-width:780px;
  color:var(--muted);
  font-size:1.02rem;
  line-height:1.9;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.btn-primary-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 30px;
  border-radius:999px;
  border:0;
  background:var(--orange);
  color:#160701;
  font-size:1rem;font-weight:700;
  box-shadow:var(--sh-orange);
  transition:filter var(--t),box-shadow var(--t),transform var(--t);
}
.btn-primary-cta:hover{
  color:#160701;
  filter:brightness(1.08);
  transform:translateY(-1px);
  box-shadow:0 18px 46px rgba(255,107,44,.45);
}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 26px;
  border-radius:12px;
  background:var(--glass);
  border:1px solid var(--line-teal);
  color:var(--teal);
  font-size:1rem;font-weight:600;
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  transition:background-color var(--t),color var(--t),transform var(--t);
}
.btn-ghost:hover{background:rgba(0,224,198,.12);color:#fff;transform:translateY(-1px)}

/* ============ 导语面板 ============ */
.intro-panel{
  position:relative;
  overflow:hidden;
  padding:34px 36px;
  border-radius:var(--r-panel);
  background:var(--glass);
  border:1px solid var(--line);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  box-shadow:var(--sh-card);
}
.intro-panel::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,0) 42%);
  pointer-events:none;
}
.intro-panel h2{
  position:relative;
  font-size:clamp(1.3rem,2.1vw,1.7rem);
  font-weight:700;
}
.intro-panel p{
  position:relative;
  margin-top:14px;
  color:var(--body-copy);
  font-size:.97rem;
  line-height:1.95;
}
.meta-row{
  position:relative;
  display:flex;flex-wrap:wrap;gap:12px 26px;
  margin-top:22px;
  padding-top:20px;
  border-top:1px dashed rgba(255,255,255,.1);
  font-size:.875rem;
  color:var(--muted);
}
.meta-row span{display:inline-flex;align-items:center;gap:8px}
.meta-row i{color:var(--teal);font-size:.85rem}
.meta-row .num{font-family:var(--font-num);color:#fff;font-size:1.05rem;letter-spacing:.04em}

/* 统计条 */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  margin-top:28px;
}
.stat{
  padding:20px 22px;
  border-radius:var(--r-card);
  background:var(--glass-soft);
  border:1px solid var(--line);
  border-top:2px solid rgba(0,224,198,.6);
  transition:border-color var(--t),transform var(--t);
}
.stat .v{
  font-family:var(--font-num);
  font-size:1.7rem;
  font-weight:700;
  color:#fff;
  letter-spacing:.03em;
  line-height:1.2;
}
.stat .l{font-size:.8125rem;color:var(--muted);letter-spacing:.05em;margin-top:6px}

/* ============ 规则折叠分组 ============ */
.rule-accordion{
  --bs-accordion-bg:transparent;
  --bs-accordion-border-width:0;
  --bs-accordion-border-color:transparent;
  --bs-accordion-btn-color:#E8EEF9;
  --bs-accordion-active-color:#fff;
  --bs-accordion-active-bg:rgba(0,224,198,.06);
  --bs-accordion-btn-focus-box-shadow:none;
  --bs-accordion-padding-x:0;
}
.rule-accordion .accordion-item{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  margin-bottom:16px;
  overflow:hidden;
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  transition:border-color var(--t),transform var(--t);
}
.rule-accordion .accordion-item:hover{border-color:var(--line-teal)}
.rule-accordion .accordion-button{
  display:flex;align-items:center;gap:14px;
  width:100%;
  padding:22px 24px;
  font-size:1.05rem;
  font-weight:600;
  background:transparent;
  color:var(--text);
  border:0;
  box-shadow:none;
}
.rule-accordion .accordion-button:not(.collapsed){
  color:#fff;
  background:rgba(0,224,198,.06);
  box-shadow:inset 3px 0 0 var(--teal);
}
.rule-accordion .accordion-button:focus{outline:2px solid var(--teal);outline-offset:-2px}
.rule-accordion .accordion-button::after{
  content:"+";
  margin-left:14px;
  width:26px;height:26px;
  flex:0 0 26px;
  display:grid;place-items:center;
  background-image:none;
  border:1px solid var(--line);
  border-radius:8px;
  color:var(--teal);
  font-family:var(--font-num);
  font-size:1.15rem;
  line-height:1;
  transition:border-color var(--t),color var(--t),background-color var(--t);
}
.rule-accordion .accordion-button:not(.collapsed)::after{
  content:"−";
  border-color:var(--line-teal);
  background:rgba(0,224,198,.1);
}
.count-badge{
  margin-left:auto;
  padding:3px 10px;
  border-radius:var(--r-badge);
  background:rgba(0,224,198,.08);
  border:1px solid var(--line-teal);
  color:var(--teal);
  font-family:var(--font-num);
  font-size:.8125rem;
  letter-spacing:.08em;
  white-space:nowrap;
}
.rule-accordion .accordion-body{
  padding:6px 24px 26px;
  background:transparent;
  border-top:1px dashed rgba(255,255,255,.08);
}
.rule-list{display:grid;gap:0;margin-top:10px}
.rule-item{
  display:grid;
  grid-template-columns:56px 1fr;
  gap:16px;
  padding:14px 0;
  border-bottom:1px dashed rgba(255,255,255,.08);
}
.rule-item:last-child{border-bottom:0}
.rule-item .no{
  font-family:var(--font-num);
  font-size:1rem;
  letter-spacing:.12em;
  color:var(--teal);
  padding-top:2px;
}
.rule-item .txt{
  color:var(--body-copy);
  font-size:.95rem;
  line-height:1.9;
}

/* ============ 宽幅图文卡 ============ */
.wide-card{
  position:relative;
  border-radius:var(--r-panel);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-card);
  background:var(--glass-soft);
}
.wide-card img{
  width:100%;
  aspect-ratio:16/6;
  object-fit:cover;
}
.wide-card .overlay{
  position:absolute;
  left:0;right:0;top:0;
  padding:30px 34px 60px;
  background:linear-gradient(180deg,rgba(5,7,14,.88),rgba(5,7,14,0) 88%);
}
.wide-card .overlay h3{font-size:clamp(1.15rem,1.9vw,1.45rem);font-weight:700}
.wide-card .overlay p{
  margin-top:10px;
  max-width:600px;
  color:var(--body-copy);
  font-size:.92rem;
}
.wide-card .cap{
  padding:16px 24px;
  background:rgba(10,15,28,.88);
  border-top:1px solid var(--line);
  color:var(--muted-2);
  font-size:.8125rem;
  line-height:1.8;
}

/* ============ 快捷入口卡 ============ */
.quick-card{
  display:flex;
  flex-direction:column;
  height:100%;
  gap:12px;
  padding:28px;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--line);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  transition:border-color var(--t),background-color var(--t),transform var(--t),box-shadow var(--t);
}
.quick-card .icon{
  width:46px;height:46px;
  display:grid;place-items:center;
  border-radius:12px;
  background:rgba(14,123,255,.14);
  border:1px solid var(--line);
  color:var(--teal);
  font-size:1.05rem;
}
.quick-card h3{font-size:1.15rem;font-weight:600}
.quick-card p{color:var(--muted);font-size:.9rem;line-height:1.85}
.quick-card .go{
  margin-top:auto;
  display:inline-flex;align-items:center;gap:8px;
  color:var(--teal);
  font-size:.875rem;
}
.quick-card .go i{transition:transform var(--t)}
.quick-card:hover .go i{transform:translateX(5px)}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  padding:52px 48px;
  border-radius:var(--r-panel);
  border:1px solid var(--line);
  background:linear-gradient(120deg,rgba(14,123,255,.17),rgba(0,224,198,.08) 55%,rgba(255,107,44,.11));
  box-shadow:var(--sh-card);
}
.cta-band::before{
  content:"";
  position:absolute;
  top:-60%;left:-10%;right:-10%;bottom:-60%;
  background:linear-gradient(115deg,transparent 42%,rgba(0,224,198,.18) 50%,transparent 58%);
  pointer-events:none;
}
.cta-inner{position:relative;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px}
.cta-inner h2{font-size:clamp(1.4rem,2.4vw,2rem);font-weight:700;max-width:620px}
.cta-inner p{color:var(--body-copy);font-size:.95rem;margin-top:12px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  padding:68px 0 0;
  background:var(--bg-2);
  border-top:1px solid var(--line);
}
.site-footer::before{
  content:"";
  position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(0,224,198,.6),rgba(14,123,255,.5),transparent);
}
.footer-grid{
  display:grid;
  grid-template-columns:4fr 2fr 3fr 3fr;
  gap:32px;
  padding-bottom:48px;
}
.footer-brand .brand{margin-bottom:4px}
.footer-brand p{
  margin-top:18px;
  max-width:430px;
  color:var(--muted);
  font-size:.9rem;
  line-height:1.9;
}
.footer-col h4{font-size:1rem;font-weight:600;margin-bottom:16px}
.footer-col ul li a{
  display:inline-flex;
  align-items:center;
  min-height:36px;
  color:var(--muted);
  font-size:.9rem;
}
.footer-col ul li a:hover{color:var(--teal)}
.footer-col ul.contact li{
  display:flex;align-items:center;gap:10px;
  min-height:36px;
  color:var(--muted);
  font-size:.9rem;
}
.footer-col ul.contact i{color:var(--teal);width:16px;text-align:center}
.footer-bottom{
  display:flex;flex-wrap:wrap;
  align-items:center;justify-content:space-between;
  gap:12px;
  padding:20px 0;
  border-top:1px solid var(--line);
  font-size:.8125rem;
  color:var(--muted-2);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  body{font-size:.98rem}
  .stat-strip{grid-template-columns:repeat(4,1fr);gap:18px}
}
@media (max-width:991.98px){
  .nav-links,.nav-search{display:none}
  .nav-toggle{display:inline-flex}
  .nav-right{gap:10px}
  .section{padding:72px 0}
  .page-hero{padding:126px 0 56px}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .wide-card .overlay{padding:24px 24px 48px}
  .cta-band{padding:40px 30px}
}
@media (max-width:767.98px){
  body{font-size:.9375rem;line-height:1.9}
  .section{padding:56px 0}
  .page-hero{padding:118px 0 46px}
  .hero-actions{flex-direction:column}
  .hero-actions .btn-primary-cta,
  .hero-actions .btn-ghost{width:100%}
  .intro-panel{padding:26px 22px}
  .stat-strip{grid-template-columns:1fr 1fr;gap:14px}
  .stat{padding:16px 16px}
  .stat .v{font-size:1.4rem}
  .rule-accordion .accordion-button{padding:18px 16px;font-size:1rem;gap:10px}
  .rule-accordion .accordion-body{padding:4px 16px 20px}
  .rule-item{grid-template-columns:44px 1fr;gap:12px}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:32px}
  .footer-col ul li a,
  .footer-col ul.contact li{min-height:44px}
  .footer-bottom{flex-direction:column;align-items:flex-start;text-align:left}
  .wide-card img{aspect-ratio:16/9}
  .wide-card .overlay{padding:20px 20px 40px}
  .wide-card .cap{padding:14px 18px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn-primary-cta,
  .cta-actions .btn-ghost{width:100%}
}
@media (max-width:520px){
  .stat-strip{grid-template-columns:1fr}
  .hero-title{font-size:1.85rem}
}
@media (hover:hover){
  .quick-card:hover{
    border-color:var(--line-teal);
    background:rgba(255,255,255,.08);
    transform:translateY(-4px);
    box-shadow:var(--sh-card);
  }
  .stat:hover{border-color:var(--line-teal);transform:translateY(-3px)}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category4 */
/* ============ 设计变量 ============ */
:root{
  --bg:#05070E;
  --bg-2:#0A0F1C;
  --bg-3:#080C17;
  --glass:rgba(255,255,255,.055);
  --glass-2:rgba(255,255,255,.08);
  --primary:#0E7BFF;
  --cyan:#00E0C6;
  --orange:#FF6B2C;
  --text:#E8EEF9;
  --muted:#9FB0CC;
  --muted-2:#7C8CA8;
  --border:rgba(255,255,255,.1);
  --border-cyan:rgba(0,224,198,.45);
  --r-card:16px;
  --r-panel:20px;
  --r-img:12px;
  --r-badge:6px;
  --r-input:10px;
  --r-btn:12px;
  --shadow-card:0 18px 48px rgba(0,0,0,.45);
  --shadow-glow:0 0 0 1px rgba(0,224,198,.5),0 12px 36px rgba(14,123,255,.35);
  --shadow-cta:0 10px 28px rgba(255,107,44,.32);
  --t:.25s ease-out;
  --t-slow:.28s ease;
  --font-title:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"Barlow Condensed","HarmonyOS Sans","PingFang SC",sans-serif;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(900px 520px at 82% -6%,rgba(14,123,255,.16),transparent 62%),
    radial-gradient(760px 460px at 4% 12%,rgba(0,224,198,.10),transparent 60%),
    var(--bg);
  color:var(--text);
  font-family:var(--font-title);
  font-size:1rem;
  line-height:1.95;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:inherit;text-decoration:none;transition:color var(--t),border-color var(--t),background var(--t)}
a:hover{color:var(--cyan)}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
::selection{background:rgba(0,224,198,.28);color:#fff}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#05070E}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:99px}
::-webkit-scrollbar-thumb:hover{background:rgba(0,224,198,.4)}

/* ============ 容器 ============ */
.container{width:100%;max-width:1280px;padding:0 24px;margin:0 auto}
@media (max-width:767px){.container{padding:0 16px}}
.row{--bs-gutter-x:0;--bs-gutter-y:0}

/* ============ 通用排版 ============ */
h1{font-size:clamp(2rem,4.2vw,3.1rem);line-height:1.18;font-weight:700;letter-spacing:-.01em}
h2{font-size:clamp(1.4rem,2.4vw,2rem);line-height:1.3;font-weight:700}
h3{font-size:1.25rem;line-height:1.45;font-weight:600}
p{color:var(--muted)}
.sec{padding:96px 0;position:relative}
.sec-alt{background:linear-gradient(180deg,rgba(10,15,28,.9),rgba(5,7,14,.2));border-top:1px solid rgba(255,255,255,.05);border-bottom:1px solid rgba(255,255,255,.05)}
.sec-head{margin-bottom:40px}
.sec-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:.8125rem;color:var(--cyan);
  letter-spacing:.14em;text-transform:uppercase;margin-bottom:14px
}
.sec-head .eyebrow::before{content:"";width:22px;height:2px;background:var(--cyan);border-radius:2px;box-shadow:0 0 10px rgba(0,224,198,.7)}
.sec-head h2{padding-left:16px;position:relative}
.sec-head h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:4px;background:linear-gradient(180deg,var(--cyan),rgba(0,224,198,.05))}
.sec-head p{margin-top:12px;padding-left:16px;max-width:760px}
.mono{font-family:var(--font-num);letter-spacing:.02em}
.text-cyan{color:var(--cyan)}
.text-orange{color:var(--orange)}

/* ============ 按钮 ============ */
.btn-main,.btn-ghost,.btn-link-arrow{display:inline-flex;align-items:center;justify-content:center;gap:8px;cursor:pointer;font-weight:600;transition:all var(--t);border:1px solid transparent}
.btn-main{
  background:var(--orange);color:#10060A;border-radius:999px;padding:13px 28px;font-size:.95rem;
  box-shadow:var(--shadow-cta)
}
.btn-main:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 16px 40px rgba(255,107,44,.45);color:#10060A}
.btn-main:active{transform:translateY(0)}
.btn-ghost{
  background:var(--glass);color:var(--text);border:1px solid var(--border-cyan);
  border-radius:var(--r-btn);padding:12px 26px;font-size:.95rem;backdrop-filter:blur(10px)
}
.btn-ghost:hover{background:rgba(0,224,198,.12);color:#fff;border-color:rgba(0,224,198,.7)}
.btn-link-arrow{background:transparent;color:var(--cyan);padding:6px 0;font-size:.9rem;border:0}
.btn-link-arrow i{transition:transform var(--t)}
.btn-link-arrow:hover i{transform:translateX(4px)}
.btn-block{width:100%}

/* ============ 徽章 / 标签 ============ */
.tag{
  display:inline-flex;align-items:center;gap:6px;font-size:.8125rem;line-height:1;
  padding:7px 12px;border-radius:var(--r-badge);border:1px solid var(--border);
  background:var(--glass);color:var(--muted)
}
.tag-cyan{color:var(--cyan);border-color:rgba(0,224,198,.4);background:rgba(0,224,198,.08)}
.tag-orange{color:var(--orange);border-color:rgba(255,107,44,.45);background:rgba(255,107,44,.08)}
.tag-blue{color:#7FB5FF;border-color:rgba(14,123,255,.45);background:rgba(14,123,255,.1)}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(10,15,28,.28);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
  transition:background var(--t-slow),border-color var(--t-slow),box-shadow var(--t-slow)
}
.site-header.scrolled{background:rgba(10,15,28,.94);border-bottom-color:rgba(0,224,198,.28);box-shadow:0 12px 34px rgba(0,0,0,.5)}
.navbar{padding:0;--bs-navbar-padding-y:0}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;transition:height var(--t-slow)}
.site-header.scrolled .nav-inner{height:64px}
.brand{display:inline-flex;align-items:center;gap:11px}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;display:flex;align-items:center;justify-content:center;
  border-radius:12px;font-weight:700;font-size:1.15rem;color:#04121A;
  background:linear-gradient(140deg,var(--cyan),#25A9FF);
  box-shadow:0 8px 24px rgba(0,224,198,.32)
}
.brand-text{display:flex;flex-direction:column;line-height:1.12}
.brand-text .b1{font-size:1rem;font-weight:700;letter-spacing:.06em;color:var(--text)}
.brand-text .b2{font-size:.8125rem;color:var(--cyan);letter-spacing:.16em}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{
  position:relative;padding:9px 14px;border-radius:10px;font-size:.9375rem;color:var(--muted);white-space:nowrap
}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-links a.active{color:#fff}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--cyan);box-shadow:0 0 10px rgba(0,224,198,.8)
}
.nav-right{display:flex;align-items:center;gap:14px}
.nav-search{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;border-radius:999px;
  background:var(--glass);border:1px solid var(--border);transition:border-color var(--t),background var(--t)
}
.nav-search i{color:var(--muted);font-size:.85rem}
.nav-search input{
  width:150px;border:0;background:transparent;outline:none;font-size:.875rem;color:var(--text)
}
.nav-search input::placeholder{color:var(--muted-2)}
.nav-search:focus-within{border-color:var(--border-cyan);background:rgba(0,224,198,.06)}
.btn-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--orange);color:#10060A;font-weight:600;font-size:.9rem;
  padding:11px 22px;border-radius:999px;box-shadow:var(--shadow-cta);transition:all var(--t)
}
.btn-cta:hover{filter:brightness(1.08);transform:translateY(-1px);color:#10060A;box-shadow:0 16px 40px rgba(255,107,44,.45)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;background:var(--glass);
  border:1px solid var(--border);color:var(--text);cursor:pointer
}
.nav-toggle:hover{border-color:var(--border-cyan);color:var(--cyan)}

/* 移动端抽屉 */
.mobile-nav{
  background:rgba(8,12,23,.96)!important;border-left:1px solid rgba(0,224,198,.22)!important;
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);width:320px!important;color:var(--text)
}
.mobile-nav .offcanvas-header{border-bottom:1px solid var(--border);padding:18px 20px}
.mobile-nav .btn-close{filter:invert(1) grayscale(1) brightness(1.8);opacity:.7}
.mobile-nav .offcanvas-body{display:flex;flex-direction:column;padding:18px 20px 24px}
.m-links{display:flex;flex-direction:column;flex:1}
.m-links a{
  padding:14px 4px;border-bottom:1px solid rgba(255,255,255,.06);font-size:1rem;color:var(--muted)
}
.m-links a:hover{color:var(--cyan)}
.m-links a.active{color:#fff}
.m-links a.active::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--cyan);margin-right:10px;vertical-align:middle;box-shadow:0 0 10px rgba(0,224,198,.8)}
.mobile-nav .btn-cta{width:100%;margin-top:20px;padding:14px}

/* ============ 面包屑 ============ */
.crumb{
  display:inline-flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:.8125rem;
  padding:8px 16px;border-radius:999px;background:var(--glass);border:1px solid var(--border);
  color:var(--muted);backdrop-filter:blur(10px)
}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--cyan)}
.crumb .sep{color:rgba(255,255,255,.25)}
.crumb .now{color:var(--muted-2)}

/* ============ Hero ============ */
.hero{
  position:relative;padding:150px 0 72px;overflow:hidden;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat
}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,7,14,.9),rgba(5,7,14,.74) 55%,var(--bg))}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:linear-gradient(90deg,transparent,rgba(0,224,198,.55),transparent)
}
.hero .container{position:relative;z-index:2}
.hero h1{margin:22px 0 14px;max-width:760px}
.hero .lead{max-width:720px;font-size:1.0625rem;color:#B9C7DE}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}

/* 状态提示条 */
.status-bar{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  margin-top:30px;padding:16px 20px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--border);border-left:3px solid var(--orange);
  backdrop-filter:blur(12px);box-shadow:var(--shadow-card)
}
.status-bar .dot{
  width:9px;height:9px;border-radius:50%;background:var(--cyan);flex:0 0 9px;
  box-shadow:0 0 0 4px rgba(0,224,198,.16)
}
.status-bar strong{color:var(--text);font-weight:600}
.status-bar span{font-size:.9rem;color:var(--muted)}

/* ============ 玻璃卡 ============ */
.glass{
  background:var(--glass);border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--shadow-card);backdrop-filter:blur(14px);transition:transform var(--t),border-color var(--t),background var(--t)
}
.glass:hover{transform:translateY(-4px);border-color:var(--border-cyan);background:var(--glass-2)}
.panel{
  background:var(--glass);border:1px solid var(--border);border-radius:var(--r-panel);
  padding:30px;box-shadow:var(--shadow-card);backdrop-filter:blur(14px)
}

/* ============ 表单 ============ */
.form-label{display:block;font-size:.875rem;color:#C9D6EA;margin-bottom:8px;font-weight:500}
.form-label .req{color:var(--orange);margin-left:4px}
.form-control,.form-select{
  width:100%;background:rgba(255,255,255,.04);border:1px solid var(--border);
  border-radius:var(--r-input);padding:14px 16px;color:var(--text);font-size:.9375rem;
  transition:border-color var(--t),box-shadow var(--t),background var(--t)
}
.form-control:focus,.form-select:focus{
  background:rgba(0,224,198,.05);border-color:var(--cyan);
  box-shadow:0 0 0 2px rgba(0,224,198,.25);outline:none;color:var(--text)
}
.form-control::placeholder{color:var(--muted-2)}
.form-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) 50%,calc(100% - 14px) 50%;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.form-select option{background:#0A0F1C;color:var(--text)}
textarea.form-control{min-height:130px;resize:vertical;line-height:1.8}
.form-row{margin-bottom:20px}
.form-check{display:flex;align-items:flex-start;gap:10px;font-size:.875rem;color:var(--muted);line-height:1.7}
.form-check input{width:18px;height:18px;margin-top:4px;accent-color:var(--cyan);flex:0 0 18px}
.form-check a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px}
.form-hint{font-size:.8125rem;color:var(--muted-2);margin-top:8px}
.form-error{font-size:.8125rem;color:var(--orange);margin-top:8px}

/* ============ 双栏 7/5 ============ */
.split{display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:start}
@media (max-width:991px){.split{grid-template-columns:1fr;gap:24px}}

/* ============ 信息卡组 ============ */
.info-list{display:flex;flex-direction:column;gap:18px}
.info-card{
  display:flex;gap:16px;padding:22px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--border);transition:border-color var(--t),transform var(--t),background var(--t)
}
.info-card:hover{border-color:var(--border-cyan);transform:translateY(-3px);background:var(--glass-2)}
.info-card .ico{
  flex:0 0 44px;width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(0,224,198,.1);border:1px solid rgba(0,224,198,.3);color:var(--cyan);font-size:1.05rem
}
.info-card h3{font-size:1.0625rem;margin-bottom:6px}
.info-card p{font-size:.9rem;margin:0}
.info-card .v{font-family:var(--font-num);font-size:1.125rem;color:var(--text);letter-spacing:.03em}

/* ============ 资源卡 2×2 ============ */
.res-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
@media (max-width:767px){.res-grid{grid-template-columns:1fr}}
.res-card{
  position:relative;padding:28px 26px 26px;border-radius:var(--r-card);
  background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.03));
  border:1px solid var(--border);transition:transform var(--t),border-color var(--t),box-shadow var(--t);
  display:flex;flex-direction:column;gap:12px;min-height:210px
}
.res-card:hover{transform:translateY(-4px);border-color:var(--border-cyan);box-shadow:0 0 0 1px rgba(0,224,198,.25),0 20px 46px rgba(0,0,0,.5)}
.res-card .ico{
  width:46px;height:46px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--border);background:rgba(255,255,255,.05);color:var(--cyan);font-size:1.05rem
}
.res-card h3{font-size:1.125rem}
.res-card p{font-size:.9rem;margin:0}
.res-card .more{margin-top:auto;display:inline-flex;align-items:center;gap:8px;font-size:.875rem;color:var(--cyan)}
.res-card .more i{transition:transform var(--t)}
.res-card:hover .more i{transform:translateX(4px)}

/* ============ 宽幅图文卡 ============ */
.wide-card{
  border-radius:var(--r-panel);overflow:hidden;border:1px solid var(--border);
  background:var(--glass);box-shadow:var(--shadow-card)
}
.wide-card .media{position:relative;aspect-ratio:16/6;overflow:hidden}
.wide-card .media img{width:100%;height:100%;transition:transform .5s ease}
.wide-card:hover .media img{transform:scale(1.03)}
.wide-card .media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,7,14,.15),rgba(5,7,14,.72));transition:background .4s}
.wide-card:hover .media::after{background:linear-gradient(180deg,rgba(5,7,14,.3),rgba(5,7,14,.85))}
.wide-card .cap{padding:20px 26px 24px;display:flex;gap:18px;flex-wrap:wrap;align-items:baseline}
.wide-card .cap h3{font-size:1.0625rem}
.wide-card .cap p{font-size:.875rem;margin:0;max-width:760px}

/* ============ 步骤流程 ============ */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
@media (max-width:991px){.flow{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.flow{grid-template-columns:1fr}}
.flow-item{
  position:relative;padding:26px 22px;border-radius:var(--r-card);background:var(--glass);
  border:1px solid var(--border);transition:transform var(--t),border-color var(--t)
}
.flow-item:hover{transform:translateY(-4px);border-color:var(--border-cyan)}
.flow-item .num{
  font-family:var(--font-num);font-size:2rem;line-height:1;color:var(--cyan);letter-spacing:.02em;
  display:block;margin-bottom:12px
}
.flow-item h3{font-size:1.0625rem;margin-bottom:8px}
.flow-item p{font-size:.875rem;margin:0}
.flow-item::after{
  content:"";position:absolute;top:44px;right:-12px;width:24px;height:1px;
  background:linear-gradient(90deg,var(--border-cyan),transparent)
}
.flow-item:last-child::after{display:none}
@media (max-width:991px){.flow-item::after{display:none}}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px}
.accordion{--bs-accordion-bg:transparent;--bs-accordion-border-width:0;--bs-accordion-btn-focus-box-shadow:none}
.faq-item{
  margin-bottom:14px;border-radius:var(--r-card)!important;overflow:hidden;
  background:var(--glass);border:1px solid var(--border)!important;transition:border-color var(--t),background var(--t)
}
.faq-item:hover{border-color:var(--border-cyan)!important;background:var(--glass-2)}
.accordion-button{
  background:transparent!important;color:var(--text)!important;font-weight:600;font-size:1rem;
  padding:20px 22px 20px 24px;line-height:1.6;border:0;box-shadow:none!important;position:relative
}
.accordion-button:not(.collapsed){color:#fff!important}
.accordion-button::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;
  background:var(--cyan);opacity:0;transition:opacity var(--t);box-shadow:0 0 12px rgba(0,224,198,.7)
}
.accordion-button:not(.collapsed)::before{opacity:1}
.accordion-button::after{
  content:"+";background-image:none!important;width:28px;height:28px;flex:0 0 28px;
  display:flex;align-items:center;justify-content:center;border-radius:50%;
  border:1px solid var(--border);color:var(--cyan);font-size:1.05rem;line-height:1;
  transform:none!important;transition:border-color var(--t),color var(--t)
}
.accordion-button:not(.collapsed)::after{content:"−";border-color:var(--border-cyan)}
.accordion-body{padding:0 22px 22px 24px;color:#C9D6EA;font-size:.9375rem;line-height:1.9}
.accordion-body a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px}
.faq-actions{margin-top:28px;display:flex;gap:14px;flex-wrap:wrap}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-panel);
  border:1px solid var(--border);padding:46px 40px;
  background:
    linear-gradient(115deg,rgba(0,224,198,.14),transparent 42%),
    linear-gradient(200deg,rgba(14,123,255,.18),transparent 55%),
    var(--bg-2);
  box-shadow:var(--shadow-card)
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-60px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,224,198,.22),transparent 70%)
}
.cta-band .inner{position:relative;z-index:2;display:flex;gap:30px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.cta-band h2{margin-bottom:10px}
.cta-band p{margin:0;max-width:640px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:96px;padding:72px 0 0;background:linear-gradient(180deg,rgba(10,15,28,.9),rgba(5,7,14,1));
  border-top:1px solid transparent;border-image:linear-gradient(90deg,transparent,rgba(0,224,198,.5),transparent) 1;position:relative
}
.footer-grid{display:grid;grid-template-columns:4fr 2fr 3fr 3fr;gap:40px}
@media (max-width:991px){.footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}}
@media (max-width:520px){.footer-grid{grid-template-columns:1fr}}
.footer-brand p{margin-top:18px;font-size:.9rem;max-width:420px}
.footer-col h4{font-size:.9375rem;font-weight:600;margin-bottom:18px;color:#fff;position:relative;padding-left:12px}
.footer-col h4::before{content:"";position:absolute;left:0;top:.35em;bottom:.35em;width:2px;border-radius:2px;background:var(--cyan)}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col ul li a{color:var(--muted);font-size:.9rem;display:inline-flex;align-items:center;min-height:26px}
.footer-col ul li a:hover{color:var(--cyan)}
.footer-col ul.contact li{color:var(--muted);font-size:.9rem;display:flex;align-items:center;gap:10px;min-height:44px}
.footer-col ul.contact i{color:var(--cyan);font-size:.9rem;width:16px;text-align:center}
.footer-bottom{
  margin-top:56px;padding:22px 0;border-top:1px solid rgba(255,255,255,.08);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:.8125rem;color:var(--muted-2)
}
.footer-bottom span{line-height:1.7}

/* ============ 动效保护 & 响应式 ============ */
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .glass:hover,.res-card:hover,.info-card:hover,.flow-item:hover,.wide-card:hover .media img{transform:none!important}
}
@media (max-width:1199px){
  .container{max-width:1140px}
  body{font-size:.9688rem}
  .nav-links a{padding:9px 10px;font-size:.9rem}
  .nav-search input{width:118px}
}
@media (max-width:991px){
  .nav-links,.nav-search{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .sec{padding:72px 0}
  .hero{padding:132px 0 56px}
  .panel{padding:24px}
  .site-footer{margin-top:72px;padding-top:56px}
  .cta-band{padding:34px 26px}
}
@media (max-width:767px){
  body{font-size:.9375rem;line-height:1.88}
  .site-header,.site-header.scrolled{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
  .sec{padding:56px 0}
  .hero{padding:118px 0 48px}
  .hero h1{font-size:1.75rem}
  .hero .lead{font-size:.9688rem}
  .btn-main,.btn-ghost,.btn-cta{width:100%}
  .nav-right .btn-cta{width:auto}
  .cta-actions .btn-main,.cta-actions .btn-ghost{width:100%}
  .footer-bottom{flex-direction:column;gap:6px}
  .glass:hover,.res-card:hover,.info-card:hover{transform:none}
}
@media (max-width:520px){
  .brand-text .b2{letter-spacing:.1em}
  .mobile-nav{width:100%!important}
  .status-bar{padding:14px 16px}
  .panel{padding:20px}
  .wide-card .cap{padding:16px 18px 20px}
}