/* roulang page: index */
:root{
  --bg-main:#0A0F1C;
  --bg-alt:#101A2E;
  --bg-deep:#0D1424;
  --blue:#2E6BFF;
  --cyan:#00E0C6;
  --glass:rgba(255,255,255,0.05);
  --glass-strong:rgba(255,255,255,0.08);
  --line:rgba(255,255,255,0.12);
  --line-soft:rgba(255,255,255,0.07);
  --text:#EAF0FA;
  --text-sub:#9AA8BF;
  --text-muted:#6C7A8F;
  --warn:#FFB84D;
  --radius:16px;
  --radius-btn:999px;
  --radius-input:12px;
  --shadow:0 12px 30px rgba(0,0,0,.25);
  --shadow-hover:0 18px 44px rgba(0,0,0,.35);
  --ease:cubic-bezier(.2,.6,.2,1);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --mono:"SF Mono",Consolas,"Courier New",monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  font-size:1rem;
  line-height:1.8;
  color:var(--text);
  background:linear-gradient(180deg,#0A0F1C,#101A2E 55%,#0D1424);
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color .24s var(--ease),border-color .24s var(--ease),background .24s var(--ease)}
img{max-width:100%;display:block}
ul,ol,li{list-style:none}
button,input,textarea,select{font-family:inherit;font-size:inherit}
input,textarea{outline:none}
.container{max-width:1240px;margin:0 auto;padding-left:24px;padding-right:24px}
.section{padding:clamp(64px,9vw,110px) 0;position:relative}
.section-bottom-line{border-bottom:1px solid var(--line-soft)}
.text-center{text-align:center}
.text-cyan{color:var(--cyan)}
.grid-ish{display:flex;flex-wrap:wrap;gap:32px}

.eyebrow-tag{display:inline-flex;align-items:center;gap:8px;background:var(--glass);border:1px solid var(--line);border-radius:999px;padding:5px 16px;font-size:.8125rem;color:var(--cyan);letter-spacing:.08em;margin-bottom:14px}
.section-title{font-size:clamp(1.6rem,2.6vw,2.4rem);line-height:1.3;font-weight:800;letter-spacing:-.01em}
.section-sub{color:var(--text-sub);max-width:680px;margin-top:12px;font-size:1rem;line-height:1.8}
.section-head{margin-bottom:44px}
.section-head.center{text-align:center}
.section-head.center .section-sub{margin-left:auto;margin-right:auto}

/* Header */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  height:76px;
  background:rgba(10,15,28,.75);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.header-inner{display:flex;align-items:center;height:76px;gap:24px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-icon{width:36px;height:36px;flex-shrink:0;display:flex;align-items:center;justify-content:center}
.logo-text{font-size:1.05rem;font-weight:700;color:#fff;white-space:nowrap}
.logo-text .logo-url{color:var(--cyan);font-weight:800}

.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.main-nav > a{padding:9px 16px;border-radius:999px;font-size:.9375rem;color:var(--text-sub);white-space:nowrap;position:relative}
.main-nav > a:hover{color:var(--text)}
.main-nav > a.active{color:#fff;font-weight:600}
.main-nav > a.active::after{content:"";position:absolute;left:50%;bottom:0;width:20px;height:2px;background:var(--cyan);border-radius:2px;transform:translateX(-50%);box-shadow:0 0 8px rgba(0,224,198,.45)}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.search-wrap{position:relative;width:220px}
.search-wrap .icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--text-muted);pointer-events:none;font-size:.8125rem}
.search-wrap input{
  width:100%;height:40px;border-radius:var(--radius-input);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  padding:0 14px 0 38px;color:var(--text);font-size:.875rem;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.search-wrap input::placeholder{color:var(--text-muted)}
.search-wrap input:focus{border-color:rgba(46,107,255,.8);box-shadow:0 0 0 3px rgba(46,107,255,.14)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius-btn);font-weight:600;line-height:1;border:1px solid transparent;cursor:pointer;transition:all .24s var(--ease);-webkit-appearance:none;appearance:none;text-align:center;white-space:nowrap}
.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.btn-login{height:40px;padding:0 20px;background:rgba(255,255,255,.03);border:1px solid var(--line);color:var(--text-sub)}
.btn-login:hover{color:var(--text);border-color:rgba(0,224,198,.4);transform:translateY(-1px)}
.btn-cyan{
  height:40px;padding:0 24px;background:linear-gradient(135deg,#00E0C6,#00C4A8);
  color:#07121A;font-weight:700;box-shadow:0 0 18px rgba(0,224,198,.35),0 4px 12px rgba(0,0,0,.15);
}
.btn-cyan:hover{transform:translateY(-2px);box-shadow:0 6px 24px rgba(0,224,198,.5),0 4px 12px rgba(0,0,0,.2)}
.btn-cyan:active{transform:translateY(0);box-shadow:0 0 8px rgba(0,224,198,.25)}
.burger{display:none;width:42px;height:42px;border-radius:12px;background:var(--glass);border:1px solid var(--line);align-items:center;justify-content:center;cursor:pointer;color:var(--text);font-size:1.2rem}
.nav-toggle-input{position:absolute;opacity:0;pointer-events:none}
.mobile-nav{
  position:fixed;top:76px;left:0;right:0;z-index:79;
  background:rgba(13,20,36,.97);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);padding:18px 24px 26px;
  transform:translateY(-110%);visibility:hidden;opacity:0;
  transition:transform .3s var(--ease),opacity .3s var(--ease),visibility .3s;
}
.nav-toggle-input:checked ~ .mobile-nav{transform:translateY(0);visibility:visible;opacity:1}
.mobile-nav a{display:block;padding:12px 14px;border-radius:12px;color:var(--text-sub);font-size:1rem}
.mobile-nav a:hover,.mobile-nav a.active{background:rgba(255,255,255,.06);color:#fff}
.mobile-nav .btn{display:flex;margin-top:12px;width:calc(50% - 6px);justify-content:center;height:44px}

/* Hero */
.hero{
  min-height:100vh;max-height:840px;display:flex;align-items:center;
  background-color:#0A0F1C;
  background-image:linear-gradient(180deg,rgba(10,15,28,.72) 0%,rgba(10,15,28,.65) 35%,rgba(13,20,36,.92) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  padding:140px 0 100px;position:relative;overflow:hidden;
}
.hero:before{content:"";position:absolute;top:-140px;right:-80px;width:480px;height:480px;border-radius:50%;background:radial-gradient(circle,rgba(46,107,255,.16),transparent 70%);pointer-events:none}
.hero-content{max-width:760px;position:relative;z-index:2}
.hero .eyebrow-tag{background:rgba(0,224,198,.1);border-color:rgba(0,224,198,.25);box-shadow:0 0 14px rgba(0,224,198,.08)}
.hero h1{font-size:clamp(2rem,4vw,3.2rem);font-weight:800;line-height:1.18;letter-spacing:-.02em;margin-bottom:20px}
.hero h1 .hero-accent{background:linear-gradient(90deg,#00E0C6,#5DE5C8);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;font-weight:800}
.hero-sub{font-size:1.0625rem;color:var(--text-sub);max-width:600px;margin-bottom:32px;line-height:1.9}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-bottom:26px}
.btn-hero{height:48px;padding:0 32px;font-size:1rem}
.btn-hero-primary{
  background:linear-gradient(135deg,#00E0C6,#0CC9BC);color:#07121A;
  box-shadow:0 0 22px rgba(0,224,198,.4),0 6px 18px rgba(0,0,0,.22);
  font-weight:700;
}
.btn-hero-primary:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(0,224,198,.55),0 6px 18px rgba(0,0,0,.2)}
.btn-hero-ghost{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.16);color:#fff;font-weight:500;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.btn-hero-ghost:hover{border-color:rgba(0,224,198,.5);color:var(--cyan);background:rgba(0,224,198,.08);transform:translateY(-2px)}
.hero-link{color:var(--text-sub);font-size:.9rem;padding:8px}
.hero-link:hover{color:var(--cyan)}
.hero-visual{margin-top:34px}
.hero-url-capsule{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--mono);font-size:.8rem;color:var(--cyan);
  background:rgba(0,224,198,.08);border:1px solid rgba(0,224,198,.22);
  padding:6px 14px;border-radius:999px;
}
.hero-url-capsule i{font-size:.75rem;opacity:.7}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* Entry / Channel */
.entry-glow{position:relative}
.browser-card{
  background:var(--glass);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);height:100%;overflow:hidden;
}
.browser-bar{display:flex;align-items:center;gap:12px;padding:12px 16px;background:rgba(255,255,255,.03);border-bottom:1px solid var(--line-soft)}
.browser-dots{display:flex;gap:6px;flex-shrink:0}
.browser-dots i{width:10px;height:10px;border-radius:50%;display:block;background:rgba(255,255,255,.18)}
.browser-dots i:nth-child(1){background:#FF5F57}
.browser-dots i:nth-child(2){background:#FEBC2E}
.browser-dots i:nth-child(3){background:#28C840}
.browser-address{flex:1;background:rgba(255,255,255,.04);border:1px solid var(--line-soft);border-radius:999px;height:28px;display:flex;align-items:center;padding:0 12px;color:var(--text-sub);font-size:.75rem;font-family:var(--mono)}
.browser-body{padding:10px 18px 22px}
.entry-row{
  display:flex;align-items:center;gap:16px;padding:17px 8px;border-bottom:1px solid var(--line-soft);transition:background .24s var(--ease);
}
.entry-row:last-child{border-bottom:none}
.entry-row:hover{background:rgba(255,255,255,.03)}
.entry-icon{width:46px;height:46px;flex-shrink:0;border-radius:14px;background:rgba(46,107,255,.14);border:1px solid rgba(46,107,255,.22);display:flex;align-items:center;justify-content:center;color:#7FA8FF}
.entry-row:nth-child(2) .entry-icon{background:rgba(0,224,198,.1);border-color:rgba(0,224,198,.22);color:var(--cyan)}
.entry-row:nth-child(3) .entry-icon{background:rgba(255,184,77,.1);border-color:rgba(255,184,77,.22);color:var(--warn)}
.entry-info{flex:1;min-width:0}
.entry-info h3{font-size:.95rem;font-weight:600;margin-bottom:2px}
.entry-info p{font-size:.8125rem;color:var(--text-sub);line-height:1.6;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.entry-arrow{width:34px;height:34px;border-radius:50%;background:var(--glass);border:1px solid var(--line);color:var(--text-sub);display:flex;align-items:center;justify-content:center;transition:all .24s var(--ease);flex-shrink:0}
.entry-row:hover .entry-arrow{background:var(--cyan);border-color:var(--cyan);color:#07121A;transform:translateX(4px)}
.right-rail{display:flex;flex-direction:column;gap:24px;height:100%}
.chip-group{background:var(--glass);border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:var(--shadow)}
.chip-group h3{font-size:.95rem;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.chip-list{display:flex;flex-wrap:wrap;gap:10px}
.chip-list a{display:inline-block;font-size:.8125rem;padding:6px 14px;background:rgba(255,255,255,.04);border:1px solid var(--line-soft);border-radius:999px;color:var(--text-sub);transition:all .24s var(--ease)}
.chip-list a:hover{color:var(--cyan);border-color:rgba(0,224,198,.4);background:rgba(0,224,198,.08)}
.mini-step{background:var(--glass);border:1px solid var(--line);border-radius:20px;padding:20px 22px;box-shadow:var(--shadow)}
.mini-step h3{font-size:.95rem;font-weight:700;margin-bottom:12px;display:flex;gap:8px}
.step-item{display:flex;gap:12px;padding:10px 0;border-bottom:1px dashed var(--line-soft);align-items:flex-start}
.step-item:last-child{border-bottom:none}
.step-num{width:26px;height:26px;border-radius:8px;background:rgba(0,224,198,.12);color:var(--cyan);font-size:.75rem;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:3px}
.step-info strong{font-size:.875rem;font-weight:600;display:block}
.step-info span{font-size:.75rem;color:var(--text-sub);line-height:1.5}

/* Data strip */
.data-strip{
  background:linear-gradient(120deg,rgba(16,26,46,.96) 0%,rgba(13,20,36,.85) 70%),url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);
}
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.data-item{text-align:left;padding:20px 10px;border-left:1px solid var(--line-soft)}
.data-item:first-child{border-left:none}
.data-num{font-size:clamp(2.2rem,5vw,3.5rem);font-weight:700;line-height:1.1;color:var(--cyan);text-shadow:0 0 22px rgba(0,224,198,.22)}
.data-num small{font-size:.55em;font-weight:700}
.data-label{color:var(--text-sub);font-size:.875rem;margin-top:6px}
.data-desc{color:var(--text-muted);font-size:.8125rem;line-height:1.5}

/* type / case cards */
.cards-collection{}
.feat-card{
  border-radius:var(--radius);overflow:hidden;background:var(--glass);border:1px solid var(--line);
  position:relative;display:block;height:100%;transition:box-shadow .24s var(--ease),transform .24s var(--ease),border-color .24s var(--ease);
}
.feat-card:hover{box-shadow:var(--shadow-hover),0 0 0 1px rgba(0,224,198,.3);border-color:rgba(0,224,198,.3);transform:translateY(-3px)}
.card-cover{aspect-ratio:16/10;overflow:hidden;background:#0D1424;position:relative}
.card-cover img,.card-cover{width:100%;height:100%;object-fit:cover}
.cover-fallback{background:linear-gradient(135deg,rgba(46,107,255,.2),rgba(0,224,198,.08)),repeating-linear-gradient(0deg,transparent,transparent 10px,rgba(255,255,255,.02) 10px,rgba(255,255,255,.02) 11px);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.15);font-size:1rem;min-height:100%}
.card-body{padding:20px 22px 22px}
.card-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:8px}
.badge{
  display:inline-flex;align-items:center;font-size:.75rem;line-height:1;
  background:rgba(0,224,198,.1);border:1px solid rgba(0,224,198,.24);color:var(--cyan);
  border-radius:6px;padding:4px 9px;
}
.badge-blue{background:rgba(46,107,255,.12);border-color:rgba(46,107,255,.3);color:#9FC3FF}
.badge-warn{background:rgba(255,184,77,.1);border-color:rgba(255,184,77,.28);color:var(--warn)}
.card-body h3{font-size:1.05rem;font-weight:700;line-height:1.4;margin-bottom:8px}
.card-body p{color:var(--text-sub);font-size:.875rem;line-height:1.7}
.card-more{display:inline-flex;align-items:center;gap:6px;color:var(--cyan);font-size:.875rem;font-weight:600;margin-top:12px}
.card-more i{transition:transform .24s var(--ease)}
.feat-card:hover .card-more i{transform:translateX(4px)}
.cards-stack{display:flex;flex-direction:column;gap:24px;height:100%}
.no-equal-card .feat-card{cursor:pointer}

/* guide strip */
.guide-section{background:linear-gradient(180deg,#0D1424,#101A2E)}
.guide-wrap{display:flex;flex-wrap:wrap;gap:32px}
.guide-step-area{flex:1 1 60%;min-width:0}
.guide-card{background:var(--glass);border:1px solid var(--line);border-radius:20px;padding:30px 28px;position:relative;overflow:hidden;box-shadow:var(--shadow)}
.guide-num{font-size:4.5rem;font-weight:800;line-height:1;position:absolute;right:16px;top:4px;color:rgba(255,255,255,.04);pointer-events:none;font-family:var(--mono)}
.guide-item{position:relative;padding:20px 0 22px;border-bottom:1px solid var(--line-soft);z-index:1}
.guide-item:last-child{border-bottom:none;padding-bottom:4px}
.guide-step-label{display:inline-flex;align-items:center;gap:6px;color:var(--cyan);font-weight:700;letter-spacing:.05em;margin-bottom:6px}
.guide-step-label span{width:22px;height:22px;border-radius:6px;background:rgba(0,224,198,.12);color:var(--cyan);font-size:.75rem;display:inline-flex;align-items:center;justify-content:center}
.guide-item h3{font-size:1.05rem;font-weight:700;margin-bottom:4px}
.guide-item p{color:var(--text-sub);font-size:.875rem;max-width:560px}
.safety-card{
  flex:0 0 300px;border-radius:20px;background:rgba(255,184,77,.06);
  border:1px solid rgba(255,184,77,.24);padding:26px 24px;color:var(--warn);
  display:flex;flex-direction:column;box-shadow:0 10px 28px rgba(0,0,0,.18);
}
.safety-card .icon-lg{font-size:1.7rem;margin-bottom:12px}
.safety-card h3{font-size:1rem;font-weight:700;color:#FFD391;margin-bottom:10px}
.safety-card p{color:var(--text-sub);font-size:.875rem;line-height:1.75;margin-bottom:0}
.safety-card p + p{margin-top:10px}
@media(max-width:1024px){
  .safety-card{flex:1 1 100%;max-width:100%}
  .guide-step-area{flex:1 1 100%}
}

/* news / cms */
.news-section{}
.news-header{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px;flex-wrap:wrap}
.news-link{color:var(--cyan);font-size:.875rem;font-weight:600;transition:all .24s var(--ease)}
.news-link i{margin-left:5px;transition:transform .24s var(--ease)}
.news-link:hover i{transform:translateX(4px)}
.news-feature-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:24px;margin-bottom:24px}
.feature-main-card{
  border-radius:var(--radius);overflow:hidden;background:var(--glass);border:1px solid var(--line);
  display:flex;flex-direction:column;transition:box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.feature-main-card:hover{border-color:rgba(0,224,198,.3);box-shadow:var(--shadow-hover)}
.feature-main-card .cms-cover{aspect-ratio:16/8;min-height:0}
.cms-cover{position:relative;overflow:hidden;background:rgba(255,255,255,.04)}
.cover-pattern{position:absolute;inset:0;background:repeating-linear-gradient(45deg,rgba(255,255,255,.025) 0,rgba(255,255,255,.025) 1px,transparent 1px,transparent 12px)}
.feature-main-body{padding:20px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.feature-main-body h3{font-size:1.15rem;font-weight:700;line-height:1.4}
.feature-main-body p{color:var(--text-sub);font-size:.875rem;line-height:1.7}
.cms-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:.75rem;color:var(--text-muted);margin-top:auto}
.cms-meta .sep{width:3px;height:3px;border-radius:50%;background:var(--text-muted)}
.news-side-list{display:flex;flex-direction:column;gap:16px}
.side-rank-card{display:flex;gap:14px;align-items:stretch;background:var(--glass);border:1px solid var(--line);border-radius:14px;padding:12px;transition:all .24s var(--ease)}
.side-rank-card:hover{border-color:rgba(0,224,198,.3);background:rgba(255,255,255,.07)}
.side-rank-num{width:26px;height:26px;border-radius:8px;background:rgba(46,107,255,.18);border:1px solid rgba(46,107,255,.3);color:#BDD6FF;display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:700;flex-shrink:0;margin-top:2px}
.side-rank-content{flex:1;min-width:0}
.side-rank-content h4{font-size:.875rem;font-weight:600;line-height:1.5;margin-bottom:4px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.side-rank-content .cms-meta{margin-top:0}
.news-list-rows{display:flex;flex-direction:column;gap:12px}
.news-row-card{display:flex;align-items:center;gap:18px;background:var(--glass);border:1px solid var(--line-soft);border-radius:14px;padding:16px 18px;transition:border-color .24s var(--ease),background .24s var(--ease)}
.news-row-card:hover{border-color:rgba(0,224,198,.35);background:rgba(255,255,255,.05)}
.news-row-icon{width:38px;height:38px;flex-shrink:0;border-radius:10px;background:rgba(0,224,198,.1);border:1px solid rgba(0,224,198,.22);color:var(--cyan);display:flex;align-items:center;justify-content:center}
.news-row-main{flex:1;min-width:0}
.news-row-main h4{font-size:.9375rem;font-weight:600;line-height:1.5;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.news-row-main p{font-size:.8125rem;color:var(--text-sub);overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.news-row-meta{font-size:.75rem;color:var(--text-muted);white-space:nowrap;display:flex;align-items:center;gap:8px}
@media(max-width:1024px){
  .news-feature-grid{grid-template-columns:1fr}
  .news-side-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}
}
@media(max-width:640px){
  .news-side-list{grid-template-columns:1fr}
}
.news-empty{
  text-align:center;padding:60px 20px;background:var(--glass);border:1px dashed var(--line);border-radius:20px;
  color:var(--text-sub);
}
.news-empty .empty-icon{width:64px;height:64px;margin:0 auto 16px;border-radius:20px;background:rgba(255,255,255,.04);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--text-muted);font-size:1.5rem}
.news-empty h3{font-size:1rem;color:var(--text);font-weight:600}
.news-empty p{font-size:.875rem;color:var(--text-muted);margin-top:4px}

/* FAQ */
.faq-wrapper{}
.faq-grid{display:flex;flex-wrap:wrap;gap:18px}
.faq-item{
  background:var(--glass);border:1px solid var(--line);border-radius:16px;
  transition:border-color .24s var(--ease);
  overflow:hidden;
}
.faq-item:hover{border-color:rgba(0,224,198,.22)}
.faq-item input{position:absolute;opacity:0;pointer-events:none}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:14px;padding:0 20px;
  min-height:58px;cursor:pointer;font-size:.95rem;font-weight:550;color:var(--text);
  transition:color .24s var(--ease);
}
.faq-item input:checked + .faq-q{color:#fff}
.faq-q .faq-qmark{color:var(--cyan);opacity:.55;font-weight:700;min-width:22px}
.faq-q .faq-toggle{width:16px;height:16px;flex-shrink:0;position:relative;transition:transform .3s var(--ease)}
.faq-q .faq-toggle::before,.faq-q .faq-toggle::after{content:"";position:absolute;left:50%;top:50%;background:var(--text-sub);transition:background .24s var(--ease)}
.faq-q .faq-toggle::before{width:2px;height:16px;transform:translate(-50%,-50%)}
.faq-q .faq-toggle::after{width:16px;height:2px;transform:translate(-50%,-50%)}
.faq-item input:checked + .faq-q .faq-toggle{transform:rotate(45deg)}
.faq-a{display:none;padding:0 20px 18px;color:var(--text-sub);font-size:.875rem;line-height:1.85;border-top:1px solid var(--line-soft);padding-top:12px}
.faq-item input:checked + .faq-q + .faq-a{display:block}
.faq-width-1{width:100%}
.faq-width-2{width:calc((100% - 18px) / 2)}
@media(max-width:900px){.faq-width-2{width:100%}}
.faq-more-box{margin-top:12px;text-align:center}

/* contact */
.contact-wrap{display:flex;flex-wrap:wrap;gap:56px;background:var(--glass);border:1px solid var(--line);border-radius:24px;padding:clamp(30px,5vw,56px);box-shadow:var(--shadow)}
.contact-left{flex:1 1 38%;min-width:270px}
.contact-left h2{font-size:clamp(1.5rem,2.6vw,2rem);font-weight:800;line-height:1.3;margin-bottom:12px}
.contact-left p{color:var(--text-sub);margin-bottom:20px}
.contact-reply{font-size:.8125rem;color:var(--text-muted);border-top:1px solid var(--line-soft);padding-top:16px;line-height:1.8}
.contact-form{flex:1 1 48%;min-width:280px}
.form-field{margin-bottom:18px}
.form-field label{font-size:.875rem;color:var(--text-sub);margin-bottom:8px;display:block}
.form-field input,.form-field textarea{
  width:100%;border-radius:var(--radius-input);background:rgba(255,255,255,.04);
  border:1px solid var(--line);padding:12px 16px;color:var(--text);transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.form-field input::placeholder,.form-field textarea::placeholder{color:var(--text-muted)}
.form-field input:focus,.form-field textarea:focus{border-color:rgba(46,107,255,.8);box-shadow:0 0 0 3px rgba(46,107,255,.14);background:rgba(46,107,255,.05)}
.form-field textarea{min-height:110px;resize:vertical}
.form-submit{height:44px;padding:0 30px}
.form-tip{font-size:.75rem;color:var(--text-muted);margin-top:10px}
.form-success{display:none;background:rgba(0,224,198,.1);border:1px solid rgba(0,224,198,.3);color:var(--cyan);border-radius:10px;padding:10px 14px;font-size:.875rem;margin-bottom:16px}

/* Footer */
.site-footer{
  background:rgba(7,11,20,.85);
  border-top:1px solid rgba(255,255,255,.07);
  padding:56px 0 24px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:32px;margin-bottom:42px}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.footer-logo .logo-text{font-size:.9375rem}
.footer-about{color:var(--text-muted);font-size:.8125rem;line-height:1.8;margin-bottom:14px;max-width:260px}
.footer-title{font-size:.875rem;font-weight:700;margin-bottom:14px;color:#dfe8f7;letter-spacing:.02em}
.footer-col ul li{margin-bottom:4px}
.footer-col ul a{color:var(--text-muted);font-size:.8125rem;padding:6px 0;display:inline-block;transition:color .2s var(--ease),padding-left .2s var(--ease)}
.footer-col ul a:hover{color:var(--cyan);padding-left:4px}
.footer-note{color:var(--text-muted);font-size:.8125rem;line-height:1.8}
.footer-copyright{
  border-top:1px solid var(--line-soft);padding-top:22px;display:flex;flex-wrap:wrap;gap:10px;
  justify-content:space-between;align-items:center;color:var(--text-muted);font-size:.75rem;
}
.back-top-btn{
  position:fixed;right:24px;bottom:24px;z-index:60;width:44px;height:44px;border-radius:50%;
  background:rgba(13,20,36,.85);border:1px solid var(--line);color:var(--cyan);
  display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:1rem;
  transition:all .24s var(--ease);opacity:0;visibility:hidden;pointer-events:none;
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.back-top-btn.show{opacity:1;visibility:visible;pointer-events:auto}
.back-top-btn:hover{border-color:rgba(0,224,198,.5);transform:translateY(-3px);box-shadow:0 0 14px rgba(0,224,198,.16)}
.back-top-btn:active{transform:translateY(0)}

/* Modal toast */
.small-toast{display:none;position:fixed;top:96px;right:24px;z-index:120;max-width:320px;background:rgba(13,20,36,.97);border:1px solid var(--line);border-left:3px solid var(--cyan);box-shadow:var(--shadow);border-radius:14px;padding:16px 18px;color:var(--text);font-size:.875rem;line-height:1.6}
.small-toast .close-toast{position:absolute;top:10px;right:12px;color:var(--text-muted);cursor:pointer;border:none;background:none;font-size:1.1rem}

/* responsive overrides */
@media(max-width:1024px){
  .header-inner{gap:14px}
  .search-wrap{width:170px}
  .main-nav{gap:2px}
  .main-nav > a{padding:9px 10px}
  .data-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:820px){
  .main-nav,.search-wrap,.btn-login{display:none}
  .burger{display:flex}
  .site-header .btn-cyan{margin-right:6px}
  .data-grid{grid-template-columns:1fr 1fr}
  .mobile-nav .btn-cyan{margin-right:0}
}
@media(max-width:520px){
  .container{padding-left:16px;padding-right:16px}
  .hero{padding-top:120px}
  .hero-actions .btn-hero{padding:0 22px}
  .data-grid{grid-template-columns:1fr}
  .data-item{border-left:none;border-bottom:1px solid var(--line-soft);padding:16px 0;display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 12px}
  .data-item:last-child{border-bottom:none}
  .data-label{width:100%;margin-top:0}
  .data-desc{margin-left:auto}
  .entry-info p{white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
  .news-row-meta{display:none}
  .footer-grid{grid-template-columns:1fr}
  .footer-copyright{flex-direction:column;text-align:center}
  .logo-text{font-size:.9375rem}
}
@media(max-width:375px){
  .btn-cyan{padding:0 18px}
  .entry-arrow{display:none}
}

/* roulang page: article */
:root {
            --primary: #2E6BFF;
            --accent: #00E0C6;
            --bg-deep: #0A0F1C;
            --bg-secondary: #101A2E;
            --bg-alt: #0D1424;
            --glass-bg: rgba(255, 255, 255, 0.05);
            --glass-border: rgba(255, 255, 255, 0.12);
            --text-main: #EAF0FA;
            --text-secondary: #9AA8BF;
            --text-dim: #6C7A8F;
            --warning: #FFB84D;
            --radius-card: 16px;
            --radius-btn: 999px;
            --radius-input: 12px;
            --radius-badge: 6px;
            --shadow-card: 0 12px 30px rgba(0, 0, 0, 0.25);
            --shadow-hover: 0 18px 44px rgba(0, 0, 0, 0.35);
            --shadow-glow: 0 0 24px rgba(0, 224, 198, 0.12);
            --transition-base: 240ms cubic-bezier(0.2, 0.6, 0.2, 1);
            --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --font-mono: SF Mono, Consolas, "Courier New", monospace;
        }
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-main);
            background: linear-gradient(180deg, #0A0F1C 0%, #101A2E 100%);
            background-attachment: fixed;
            color: var(--text-main);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        img { max-width: 100%; display: block; }
        a { color: var(--accent); text-decoration: none; transition: color 0.24s ease; }
        a:hover { color: var(--text-main); }
        .container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }
        .text-secondary { color: var(--text-secondary); }
        .text-dim { color: var(--text-dim); }
        .glass-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(12px);
            transition: box-shadow 0.24s ease, border-color 0.24s ease;
        }
        .glass-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(0, 224, 198, 0.3);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border: none;
            border-radius: var(--radius-btn);
            cursor: pointer;
            font-size: 0.9rem;
            font-weight: 600;
            padding: 12px 28px;
            transition: all 240ms cubic-bezier(0.2, 0.6, 0.2, 1);
            text-decoration: none;
            line-height: 1;
            min-height: 44px;
        }
        .btn-cyan {
            background: linear-gradient(135deg, #00E0C6, #00C2A8);
            color: #07121A;
            box-shadow: 0 4px 20px rgba(0, 224, 198, 0.35);
        }
        .btn-cyan:hover {
            color: #07121A;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(0, 224, 198, 0.45);
        }
        .btn-cyan:active { transform: translateY(0); }
        .btn-ghost {
            background: rgba(255, 255, 255, 0.08);
            color: var(--text-main);
            border: 1px solid rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(8px);
        }
        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.14);
            color: var(--text-main);
            border-color: rgba(0, 224, 198, 0.4);
            transform: translateY(-2px);
        }
        .badge {
            display: inline-block;
            padding: 4px 12px;
            font-size: 0.8rem;
            border-radius: var(--radius-badge);
            background: rgba(46, 107, 255, 0.15);
            color: var(--accent);
            border: 1px solid rgba(0, 224, 198, 0.3);
        }
        .section { padding: clamp(80px, 10vw, 120px) 0; }
        .section-title { font-size: clamp(1.6rem, 2.6vw, 2.4rem); font-weight: 700; line-height: 1.3; margin-bottom: 60px; text-align: center; }
        a:focus-visible, button:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        @media (prefers-reduced-motion: reduce) {
            *, *::before, *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
        }

        /* ===== Header & Nav 与首页完全一致 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 15, 28, 0.75);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            height: 76px;
            display: flex;
            align-items: center;
            width: 100%;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            width: 100%;
            padding: 0 24px;
            max-width: 1400px;
            margin: 0 auto;
        }
        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            flex-shrink: 0;
            min-height: 44px;
        }
        .logo .logo-text {
            color: var(--text-main);
            font-weight: 800;
            font-size: 1.2rem;
            line-height: 1.2;
            white-space: nowrap;
        }
        .logo .logo-url { color: var(--accent); font-weight: 800; font-family: var(--font-mono); letter-spacing: 0.5px; }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 34px;
        }
        .main-nav a {
            color: var(--text-secondary);
            font-size: 0.9rem;
            position: relative;
            padding: 4px 2px;
            transition: color 0.24s ease;
            line-height: 1.4;
            white-space: nowrap;
        }
        .main-nav a::after {
            content: "";
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width 0.24s ease;
            border-radius: 2px;
        }
        .main-nav a:hover { color: var(--text-main); }
        .main-nav a:hover::after { width: 20px; }
        .main-nav a.active { color: var(--text-main); }
        .main-nav a.active::after { width: 20px; }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .search-wrap {
            position: relative;
            width: 220px;
        }
        .search-wrap .icon {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-dim);
            font-size: 0.8rem;
            pointer-events: none;
        }
        .search-wrap input {
            width: 100%;
            height: 44px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: var(--radius-input);
            padding: 10px 14px 10px 36px;
            color: var(--text-main);
            font-size: 0.85rem;
            outline: none;
            transition: border-color 0.24s ease;
            font-family: var(--font-main);
        }
        .search-wrap input::placeholder { color: var(--text-dim); }
        .search-wrap input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(46, 107, 255, 0.2);
        }
        .btn-login {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.22);
            color: var(--text-secondary);
            padding: 8px 22px;
            font-size: 0.9rem;
            border-radius: var(--radius-btn);
            cursor: pointer;
            min-height: 44px;
            transition: all 0.24s ease;
        }
        .btn-login:hover {
            border-color: var(--accent);
            color: var(--accent);
        }
        .burger {
            display: none;
            cursor: pointer;
            color: var(--text-main);
            font-size: 1.3rem;
            padding: 8px;
            background: none;
            border: none;
        }
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 76px;
            left: 0;
            width: 100%;
            background: rgba(10, 15, 28, 0.97);
            backdrop-filter: blur(16px);
            z-index: 1200;
            padding: 20px 0;
            border-bottom: 1px solid var(--glass-border);
            max-height: 80vh;
            overflow-y: auto;
        }
        .mobile-drawer.open { display: block; }
        .mobile-drawer-inner { padding: 8px 24px; display: flex; flex-direction: column; gap: 4px; }
        .mobile-drawer a {
            display: block;
            padding: 12px 4px;
            color: var(--text-secondary);
            text-decoration: none;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 1rem;
        }
        .mobile-drawer a.active, .mobile-drawer a:hover { color: var(--accent); }
        .mobile-search { margin-bottom: 12px; }
        .mobile-search input {
            width: 100%;
            height: 44px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-input);
            padding: 10px 16px;
            color: var(--text-main);
            outline: none;
        }
        .mobile-search input:focus { border-color: var(--primary); }
        #navToggle { display: none; }
        #navToggle:checked+.mobile-drawer { display: block; }

        @media (max-width: 1024px) {
            .main-nav { gap: 22px; }
            .header-inner { gap: 12px; padding: 0 20px; }
        }
        @media (max-width: 900px) {
            .main-nav, .search-wrap, .btn-login { display: none; }
            .burger { display: block; }
            .header-actions { gap: 8px; }
            .btn-cyan { padding: 10px 18px; font-size: 0.85rem; min-height: 40px; }
            .header-inner { flex-wrap: nowrap; }
        }
        @media (max-width: 600px) {
            .header-inner { padding: 0 16px; }
            .logo-text { font-size: 0.95rem; }
        }

        /* ===== Article Page Layout ===== */
        .article-hero {
            padding: 60px 0 20px;
            position: relative;
            min-height: 180px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 44px;
            overflow: hidden;
        }
        .article-breadcrumb {
            font-size: 0.85rem;
            color: var(--text-dim);
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 28px;
        }
        .article-breadcrumb a { color: var(--text-dim); }
        .article-breadcrumb a:hover { color: var(--accent); }
        .article-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-top: 16px;
        }
        .article-meta .dot { color: var(--text-dim); }
        .article-meta .badge { font-size: 0.8rem; }
        .article-main {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
            align-items: start;
            padding-bottom: 80px;
        }
        .article-content-wrap {
            max-width: 720px;
        }
        .article-content {
            font-size: 1rem;
            line-height: 1.9;
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid rgba(255, 255, 255, 0.07);
            border-radius: var(--radius-card);
            padding: 2.5rem;
            backdrop-filter: blur(8px);
        }
        .article-content p { margin-bottom: 1.5em; color: var(--text-main); }
        .article-content h2 { font-size: 1.5rem; color: var(--text-main); margin: 2em 0 0.8em; line-height: 1.4; }
        .article-content h3 { font-size: 1.25rem; margin: 1.8em 0 0.6em; color: var(--accent); }
        .article-content ul, .article-content ol { margin: 0 0 1.5em 1.5em; }
        .article-content li { margin-bottom: 0.6em; color: var(--text-secondary); }
        .article-content img {
            border-radius: var(--radius-card);
            border: 1px solid var(--glass-border);
            margin: 1.8em 0;
            box-shadow: var(--shadow-card);
        }
        .article-content figure {
            margin: 1.8em 0;
        }
        .article-content figcaption {
            font-size: 0.85rem;
            color: var(--text-dim);
            text-align: center;
            margin-top: 8px;
        }
        .article-content blockquote {
            border-left: 4px solid var(--accent);
            background: rgba(255, 255, 255, 0.03);
            padding: 1.2em 1.5em;
            margin: 1.5em 0;
            border-radius: 0 12px 12px 0;
            color: var(--text-secondary);
        }
        .article-content blockquote p { margin-bottom: 0; }
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.8em 0;
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--glass-border);
        }
        .article-content th {
            background: rgba(46, 107, 255, 0.15);
            color: var(--text-main);
            font-weight: 600;
            text-align: left;
        }
        .article-content th, .article-content td {
            padding: 12px 16px;
            border: 1px solid rgba(255, 255, 255, 0.07);
        }
        .article-content tr:nth-child(even) { background: rgba(255, 255, 255, 0.02); }
        .article-content a { color: var(--accent); border-bottom: 1px solid transparent; padding-bottom: 2px; }
        .article-content a:hover { border-color: var(--accent); }
        .article-content pre {
            background: rgba(0, 0, 0, 0.3);
            border-radius: 12px;
            padding: 16px 20px;
            overflow-x: auto;
            border: 1px solid var(--glass-border);
            margin: 1.5em 0;
        }
        .article-content code {
            font-family: var(--font-mono);
            color: var(--accent);
            background: rgba(0, 224, 198, 0.08);
            padding: 2px 6px;
            border-radius: 4px;
            font-size: 0.9em;
        }
        .article-footer { margin-top: 40px; display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
            position: sticky;
            top: 90px;
        }
        .sidebar-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            padding: 1.6rem;
            backdrop-filter: blur(8px);
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--text-main);
            padding-bottom: 10px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .sidebar-post {
            display: block;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            text-decoration: none;
        }
        .sidebar-post:last-child { border-bottom: none; }
        .sidebar-post .sb-title {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
            display: block;
            margin-bottom: 4px;
            transition: color 0.24s ease;
        }
        .sidebar-post .sb-title:hover { color: var(--accent); }
        .sidebar-post .sb-tag {
            color: var(--text-dim);
            font-size: 0.75rem;
            font-family: var(--font-mono);
        }
        .tag-list { display: flex; flex-wrap: wrap; gap: 10px; }
        .tag-list a {
            display: inline-block;
            padding: 6px 14px;
            font-size: 0.85rem;
            border-radius: var(--radius-badge);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--text-secondary);
            transition: all 0.24s ease;
        }
        .tag-list a:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(0, 224, 198, 0.1);
        }
        .article-footer-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: var(--radius-btn);
            color: var(--text-secondary);
            font-size: 0.9rem;
            background: transparent;
            transition: all 0.24s ease;
            text-decoration: none;
        }
        .article-footer-btn:hover {
            border-color: var(--accent);
            color: var(--accent);
        }
        @media (max-width: 1024px) {
            .article-main {
                grid-template-columns: 1fr;
            }
            .article-content-wrap {
                max-width: 100%;
            }
            .article-sidebar {
                position: static;
                display: grid;
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 820px) {
            .article-content { padding: 1.8rem; margin-right: 0; }
            .section { padding: 60px 0; }
        }
        @media (max-width: 600px) {
            .article-main { gap: 32px; }
            .article-toolbar { flex-direction: column; }
            .article-sidebar { grid-template-columns: 1fr; gap: 20px; }
            .article-content { padding: 1.3rem; font-size: 0.95rem; }
            .hero h1 { font-size: 1.9rem; }
            .article-breadcrumb { font-size: 0.8rem; gap: 6px; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .article-footer { flex-direction: column; width: 100%; }
            .article-footer .btn, .article-footer .article-footer-btn { width: 100%; }
        }

        /* ===== Footer 与首页完全一致 ===== */
        .site-footer {
            background: rgba(13, 16, 28, 0.9);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 56px 0 0;
            position: relative;
            z-index: 10;
        }
        .site-footer .container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.3fr;
            gap: 40px;
            padding-bottom: 44px;
        }
        .footer-brand { max-width: 300px; }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 18px;
        }
        .footer-logo .logo-text {
            color: var(--text-main);
            font-weight: 700;
            font-size: 1.05rem;
        }
        .footer-logo .logo-url { color: var(--accent); }
        .footer-about {
            color: var(--text-secondary);
            font-size: 0.85rem;
            line-height: 1.8;
            margin: 0 0 0;
        }
        .footer-col { min-width: 0; }
        .footer-title {
            color: var(--text-main);
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 18px;
            padding-bottom: 10px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
        .footer-col ul li { margin-bottom: 4px; }
        .footer-col ul a {
            color: var(--text-secondary);
            font-size: 0.85rem;
            text-decoration: none;
            transition: color 0.24s ease;
            display: inline-block;
            padding: 2px 0;
        }
        .footer-col ul a:hover { color: var(--accent); }
        .footer-note {
            color: var(--text-secondary);
            font-size: 0.85rem;
            line-height: 1.8;
            margin: 0;
        }
        .footer-note a { color: var(--accent); }
        .footer-copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            font-size: 0.8rem;
            color: var(--text-dim);
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
        }
        @media (max-width: 900px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
        }
        @media (max-width: 640px) {
            .site-footer { padding: 40px 0 0; }
            .site-footer .container { padding: 0 16px; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-copyright { flex-direction: column; gap: 4px; font-size: 0.8rem; }
        }

/* roulang page: category1 */
:root {
  --bg0: #070C16;
  --bg1: #0A0F1C;
  --bg2: #101A2E;
  --bg3: #0D1424;
  --blue: #2E6BFF;
  --cyan: #00E0C6;
  --text-light: #EAF0FA;
  --text-mid: #9AA8BF;
  --text-dim: #6C7A8F;
  --line: rgba(255,255,255,0.12);
  --panel: rgba(255,255,255,0.05);
  --panel-strong: rgba(255,255,255,0.08);
  --warning: #FFB84D;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-pill: 999px;
  --shadow: 0 12px 30px rgba(0,0,0,0.25);
  --shadow-hover: 0 18px 44px rgba(0,0,0,0.35);
  --transition: 240ms cubic-bezier(0.2, 0.6, 0.2, 1);
  --container: 1240px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 15% 8%, rgba(46,107,255,0.16), transparent 30%),
    radial-gradient(circle at 90% 12%, rgba(0,224,198,0.08), transparent 22%),
    linear-gradient(180deg, var(--bg1) 0%, var(--bg2) 42%, var(--bg3) 100%);
  background-attachment: fixed;
  color: var(--text-light);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.8;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
}
img { max-width: 100%; display: block; }
input, button, textarea { font-family: inherit; }
input:focus-visible, button:focus-visible, textarea:focus-visible, a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}
.container {
  width: min(1240px, calc(100% - 40px));
  margin-inline: auto;
}
.section-pad {
  padding-block: clamp(68px, 9vw, 110px);
}
.section-sub {
  padding-top: 0;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  font-size: 0.94rem;
  font-weight: 600;
  line-height: 1;
  padding: 0.72rem 1.24rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition);
  white-space: nowrap;
}
.btn:hover {
  transform: translateY(-2px);
}
.btn:active {
  transform: translateY(0);
}
.btn-cyan {
  background: linear-gradient(135deg, #00E0C6, #00D2B0);
  color: #07121A;
  box-shadow: 0 4px 20px rgba(0,224,198,0.32);
}
.btn-cyan:hover {
  box-shadow: 0 8px 28px rgba(0,224,198,0.4);
}
.btn-ghost {
  border-color: rgba(255,255,255,0.22);
  background: rgba(255,255,255,0.03);
  color: var(--text-light);
}
.btn-ghost:hover {
  border-color: rgba(0,224,198,0.6);
  background: rgba(0,224,198,0.08);
  color: var(--cyan);
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(10,15,28,0.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.header-inner {
  display: flex;
  align-items: center;
  min-height: 76px;
  gap: 18px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  filter: drop-shadow(0 0 8px rgba(0,224,198,0.4));
}
.logo-text {
  font-size: 1.22rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--text-light);
  white-space: nowrap;
}
.logo-url {
  color: var(--cyan);
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-inline: auto;
}
.main-nav a {
  position: relative;
  padding: 0.55rem 0.9rem;
  color: var(--text-mid);
  font-size: 0.95rem;
  border-radius: 8px;
  transition: color var(--transition), background var(--transition);
}
.main-nav a:hover {
  color: var(--text-light);
  background: rgba(255,255,255,0.05);
}
.main-nav a.active {
  color: #fff;
}
.main-nav a.active::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 0;
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: var(--cyan);
  box-shadow: 0 0 10px rgba(0,224,198,0.8);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.search-wrap {
  position: relative;
  color: var(--text-dim);
}
.search-wrap .icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.8rem;
  pointer-events: none;
}
.search-wrap input {
  width: min(220px, 20vw);
  height: 40px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.04);
  padding: 0 14px 0 34px;
  color: var(--text-light);
  font-size: 0.875rem;
  transition: border-color var(--transition), background var(--transition);
}
.search-wrap input::placeholder {
  color: var(--text-dim);
}
.search-wrap input:focus {
  border-color: rgba(0,224,198,0.6);
  background: rgba(255,255,255,0.06);
  outline: none;
}
.btn-login {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.22);
  color: var(--text-light);
  padding: 0.55rem 1rem;
}
.btn-login:hover {
  border-color: rgba(0,224,198,0.5);
  color: var(--cyan);
}
.burger {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  color: var(--text-light);
  cursor: pointer;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.03);
  font-size: 1.05rem;
  margin-left: 2px;
}

/* ===== Category hero ===== */
.cat-hero {
  position: relative;
  padding: clamp(70px, 9vw, 106px) 0 36px;
  background: linear-gradient(180deg, rgba(7,12,22,0.55) 0%, rgba(10,15,28,0.2) 38%, rgba(10,15,28,0.95) 100%),
    url("/assets/images/backpic/back-1.png") center / cover no-repeat;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.bread-crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-dim);
  font-size: 0.85rem;
  margin-bottom: 26px;
}
.bread-crumb a {
  color: var(--text-mid);
  transition: color var(--transition);
}
.bread-crumb a:hover {
  color: var(--cyan);
}
.cat-hero h1 {
  margin: 0 0 14px;
  font-size: clamp(1.95rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: 0.01em;
}
.cat-hero h1 span {
  color: var(--cyan);
  text-shadow: 0 0 26px rgba(0,224,198,0.35);
  font-weight: 700;
}
.cat-hero-desc {
  max-width: 680px;
  color: var(--text-mid);
  font-size: 0.98rem;
  margin: 0 0 24px;
}
.tag-flow {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 6px;
}
.tag-flow a,
.tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.04);
  border-radius: 6px;
  color: var(--text-mid);
  font-size: 0.85rem;
  padding: 0.35rem 0.8rem;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}
.tag-flow a:hover,
.tag-chip:hover {
  color: var(--cyan);
  border-color: rgba(0,224,198,0.5);
  background: rgba(0,224,198,0.08);
}

/* ===== Feature row ===== */
.feature-row {
  padding-top: clamp(42px, 6vw, 72px);
}
.feature-banner {
  display: grid;
  grid-template-columns: 44% 1fr;
  align-items: stretch;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: box-shadow var(--transition), border-color var(--transition);
}
.feature-banner:hover {
  box-shadow: var(--shadow-hover);
  border-color: rgba(0,224,198,0.25);
}
.feature-media {
  position: relative;
  min-height: 230px;
  overflow: hidden;
  background: linear-gradient(145deg, rgba(46,107,255,0.2), rgba(0,224,198,0.04));
}
.feature-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0,0,0,0.12), transparent);
}
.feature-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: relative;
}
.feature-content {
  padding: clamp(1.3rem, 3vw, 2.2rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 12px;
  background: rgba(255,255,255,0.025);
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--cyan);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}
.feature-content h2 {
  margin: 0;
  font-size: clamp(1.35rem, 2.3vw, 1.9rem);
  font-weight: 700;
  line-height: 1.35;
}
.feature-content p {
  color: var(--text-mid);
  font-size: 0.95rem;
  margin: 0;
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--cyan);
  font-size: 0.9rem;
  font-weight: 600;
  margin-top: 6px;
}
.text-link i {
  transition: transform var(--transition);
}
.text-link:hover i {
  transform: translateX(4px);
}

/* ===== Section heading ===== */
.section-heading {
  text-align: center;
  max-width: 680px;
  margin: 0 auto clamp(34px, 5vw, 52px);
}
.section-heading .eyebrow {
  justify-content: center;
  margin-bottom: 12px;
}
.section-heading h2 {
  margin: 0 0 12px;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 800;
  line-height: 1.3;
  color: var(--text-light);
}
.section-heading h2 em {
  font-style: normal;
  color: var(--cyan);
}
.section-heading p {
  color: var(--text-mid);
  font-size: 0.95rem;
  margin: 0;
}

/* ===== Game type grid ===== */
.game-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}
.type-card {
  display: flex;
  flex-direction: column;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.type-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0,224,198,0.3);
  box-shadow: var(--shadow-hover);
}
.type-thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  background: linear-gradient(145deg, rgba(46,107,255,0.25), rgba(0,224,198,0.02));
  overflow: hidden;
}
.type-thumb::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.5;
}
.type-thumb img {
  position: relative;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.type-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 1.1rem 1.2rem 1.3rem;
  gap: 6px;
}
.card-tag {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.78rem;
  color: var(--cyan);
  border: 1px solid rgba(0,224,198,0.25);
  background: rgba(0,224,198,0.08);
  padding: 0.1rem 0.62rem;
  border-radius: 6px;
  line-height: 1.6;
}
.type-body h3 {
  margin: 4px 0 2px;
  font-size: 1.18rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text-light);
}
.type-body p {
  color: var(--text-mid);
  font-size: 0.89rem;
  line-height: 1.75;
  margin: 0;
  flex: 1;
}
.type-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(255,255,255,0.07);
  padding-top: 10px;
  margin-top: 8px;
  color: var(--text-dim);
  font-size: 0.8rem;
}
.type-meta .arrow {
  color: var(--cyan);
  transition: transform var(--transition);
}
.type-card:hover .type-meta .arrow {
  transform: translateX(5px);
}

/* ===== steps with reference card ===== */
.steps-wrap {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: clamp(24px, 4vw, 44px);
  margin-top: 20px;
}
.steps-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 40px;
  align-items: start;
}
.step-list {
  display: flex;
  flex-direction: column;
  gap: 26px;
}
.step-item {
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 16px;
  align-items: start;
}
.step-num {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(0,224,198,0.4);
  opacity: 0.9;
}
.step-item h3 {
  margin: 0 0 6px;
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--text-light);
}
.step-item p {
  margin: 0;
  color: var(--text-mid);
  font-size: 0.9rem;
}
.tip-aside {
  border: 1px solid rgba(255,184,77,0.25);
  background: linear-gradient(145deg, rgba(255,184,77,0.09), rgba(255,255,255,0.02));
  border-radius: var(--radius);
  padding: 1.4rem 1.3rem;
}
.tip-aside h4 {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 10px;
  color: var(--warning);
  font-size: 1rem;
  font-weight: 700;
}
.tip-aside p {
  font-size: 0.88rem;
  color: var(--text-mid);
  margin: 0 0 12px;
}
.tip-aside small {
  display: block;
  color: var(--text-dim);
  font-size: 0.78rem;
  border-top: 1px solid rgba(255,184,77,0.18);
  padding-top: 10px;
}

/* ===== Update notes cards ===== */
.note-cards {
  display: grid;
  grid-template-columns: 1.45fr 1fr 1fr;
  gap: 22px;
  align-items: stretch;
}
.note-card {
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: var(--radius);
  overflow: hidden;
  transition: background var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.note-card:hover {
  transform: translateY(-3px);
  border-color: rgba(0,224,198,0.22);
  background: rgba(255,255,255,0.06);
  box-shadow: var(--shadow);
}
.note-card.wide .note-media {
  aspect-ratio: 21 / 8;
}
.note-media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--panel-strong);
}
.note-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.note-content {
  padding: 1.1rem 1.15rem 1.25rem;
}
.note-content h3 {
  margin: 8px 0 6px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-light);
  line-height: 1.6;
}
.note-content p {
  color: var(--text-mid);
  font-size: 0.85rem;
  margin: 0 0 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.note-meta {
  color: var(--text-dim);
  font-size: 0.8rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* ===== FAQ ===== */
.faq-wrap {
  max-width: 980px;
  margin: 0 auto;
}
.faq-list {
  border-radius: 20px;
  overflow: hidden;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--line);
}
.faq-list .accordion-item {
  background: transparent;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.faq-list .accordion-item:last-child {
  border-bottom: 0;
}
.accordion-item.is-active {
  background: rgba(255,255,255,0.03);
}
.accordion-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  background: transparent;
  color: var(--text-light);
  font-size: 0.98rem;
  font-weight: 550;
  line-height: 1.5;
  padding: 1rem 1.2rem;
  border: 0;
  transition: background var(--transition), color var(--transition);
}
.accordion-title:hover,
.accordion-title:focus {
  background: rgba(255,255,255,0.035);
  color: var(--cyan);
}
.accordion-title::before {
  content: none !important;
}
.accordion-title i {
  color: var(--cyan);
  transition: transform var(--transition);
}
.accordion-item.is-active .accordion-title i {
  transform: rotate(180deg);
}
.accordion-content {
  background: transparent;
  color: var(--text-mid);
  border: 0;
  padding: 0 1.2rem 1.35rem;
  font-size: 0.9rem;
}
.accordion-content > .content {
  padding: 0;
  background: transparent;
}
.accordion-content p {
  margin: 0;
}

/* ===== CTA / contact ===== */
.contact-wrap {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(24px, 4vw, 50px);
  align-items: center;
  background: linear-gradient(145deg, rgba(46,107,255,0.08), rgba(255,255,255,0.02));
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: clamp(24px, 4vw, 48px);
}
.contact-intro h2 {
  margin: 0 0 14px;
  font-size: clamp(1.45rem, 2.6vw, 2rem);
  font-weight: 800;
  line-height: 1.4;
}
.contact-intro p {
  color: var(--text-mid);
  margin: 0 0 18px;
  font-size: 0.92rem;
}
.contact-intro .email-line {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: "SF Mono", "Consolas", "Courier New", monospace;
  color: var(--cyan);
  background: rgba(0,224,198,0.08);
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  font-size: 0.88rem;
  border: 1px solid rgba(0,224,198,0.2);
}
.feedback-form {
  display: grid;
  gap: 14px;
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 24px;
  border-radius: var(--radius);
}
.form-double {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.field-input,
.field-textarea {
  width: 100%;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.04);
  color: var(--text-light);
  font-size: 0.9rem;
  padding: 0.8rem 1rem;
  transition: border-color var(--transition), background var(--transition);
}
.field-input::placeholder,
.field-textarea::placeholder {
  color: var(--text-dim);
}
.field-input:focus,
.field-textarea:focus {
  border-color: rgba(46,107,255,0.8);
  background: rgba(255,255,255,0.06);
  outline: none;
}
.field-textarea {
  min-height: 90px;
  resize: vertical;
}

/* ===== Footer ===== */
.site-footer {
  background: rgba(8,12,22,0.85);
  backdrop-filter: blur(14px);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 58px 0 0;
  margin-top: 20px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 30px;
  padding-bottom: 40px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-about {
  color: var(--text-mid);
  font-size: 0.88rem;
  margin: 18px 0 0;
  max-width: 280px;
}
.footer-title {
  color: var(--text-light);
  font-size: 0.98rem;
  font-weight: 700;
  margin: 0 0 14px;
}
.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-col li + li {
  margin-top: 4px;
}
.footer-col a {
  display: inline-block;
  color: var(--text-mid);
  font-size: 0.88rem;
  padding: 4px 0;
  transition: color var(--transition);
}
.footer-col a:hover {
  color: var(--cyan);
}
.footer-note {
  color: var(--text-mid);
  font-size: 0.85rem;
  line-height: 1.7;
  margin: 0;
}
.footer-copyright {
  border-top: 1px solid rgba(255,255,255,0.07);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  color: var(--text-dim);
  font-size: 0.78rem;
}

/* ===== Motion preference ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ===== Responsive ===== */
@media (max-width: 1080px) {
  .search-wrap input { width: 150px; }
  .main-nav { gap: 4px; }
  .main-nav a { padding-inline: 0.6rem; }
}
@media (max-width: 900px) {
  .header-inner {
    min-height: 68px;
    gap: 12px;
  }
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin: 0;
    background: rgba(8,12,24,0.98);
    backdrop-filter: blur(16px);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 240ms ease, transform 240ms ease, visibility 240ms;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
  }
  .main-nav a {
    display: block;
    padding: 0.85rem 1.5rem;
    border-radius: 0;
    color: var(--text-mid);
  }
  .main-nav a.active {
    background: rgba(0,224,198,0.06);
    color: var(--cyan);
  }
  .main-nav a.active::after {
    display: none;
  }
  body.nav-open .main-nav {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  .header-actions {
    margin-left: auto;
  }
  .search-wrap,
  .btn-login {
    display: none;
  }
  .burger {
    display: inline-flex;
  }
}
@media (max-width: 700px) {
  .section-pad {
    padding-block: 52px;
  }
  .logo-text {
    font-size: 1.02rem;
  }
  .logo-icon {
    width: 32px;
    height: 32px;
  }
  .feature-banner {
    grid-template-columns: 1fr;
  }
  .feature-media {
    min-height: 200px;
  }
  .game-grid {
    grid-template-columns: 1fr;
  }
  .steps-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .note-cards {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .note-card.wide .note-media {
    aspect-ratio: 16 / 10;
  }
  .contact-wrap {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .form-double {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px 20px;
  }
  .footer-copyright {
    flex-direction: column;
  }
  .step-item {
    grid-template-columns: 52px 1fr;
  }
}
@media (max-width: 420px) {
  .container {
    width: calc(100% - 30px);
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .header-actions .btn-cyan {
    padding-inline: 0.65rem;
  }
  .btn {
    padding: 0.6rem 0.7rem;
    font-size: 0.84rem;
  }
}

/* roulang page: category2 */
:root{
  --bg-0:#0A0F1C;
  --bg-1:#101A2E;
  --bg-2:#0D1424;
  --primary:#2E6BFF;
  --accent:#00E0C6;
  --accent-deep:#00c9b4;
  --accent-glow:rgba(0,224,198,.35);
  --text:#EAF0FA;
  --text-2:#9AA8BF;
  --text-3:#6C7A8F;
  --glass:rgba(255,255,255,.05);
  --glass-2:rgba(255,255,255,.08);
  --border:rgba(255,255,255,.12);
  --danger:#FFB84D;
  --shadow-card:0 12px 30px rgba(0,0,0,.25);
  --shadow-hover:0 18px 44px rgba(0,0,0,.35),0 0 0 1px rgba(0,224,198,.08);
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:6px;
  --radius-round:999px;
  --container:1240px;
  --space-section:clamp(64px, 8vw, 110px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:linear-gradient(180deg,var(--bg-0) 0%,var(--bg-1) 40%,var(--bg-2) 100%);
  background-repeat:no-repeat;
  background-attachment:fixed;
  color:var(--text);
  line-height:1.75;
  font-size:1rem;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .24s cubic-bezier(.2,.6,.2,1)}
button,input,select,textarea{font-family:inherit;font-size:1rem}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
::selection{background:var(--accent);color:#07121A}
.grid-container{max-width:var(--container)}
.section{padding:var(--space-section) 0;position:relative}
.section-alt{background:linear-gradient(180deg,rgba(16,26,46,.7),rgba(10,15,28,.55));border-top:1px solid rgba(255,255,255,.05);border-bottom:1px solid rgba(255,255,255,.05)}
.glass-card{
  background:var(--glass);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.hover-lift{transition:transform .24s cubic-bezier(.2,.6,.2,1),box-shadow .24s cubic-bezier(.2,.6,.2,1),border-color .24s ease}
.hover-lift:hover{border-color:rgba(0,224,198,.35);box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 24px;
  border:1px solid transparent;
  border-radius:var(--radius-round);
  font-weight:700;
  line-height:1.4;
  white-space:nowrap;
  cursor:pointer;
  text-align:center;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease,background .24s ease,color .24s ease;
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn i{font-size:.9em}
.btn-cyan{
  background:linear-gradient(135deg,#00E0C6,#00c1ac);
  color:#07121A;
  box-shadow:0 6px 22px rgba(0,224,198,.26),0 0 0 1px rgba(0,224,198,.12);
}
.btn-cyan:hover{
  background:linear-gradient(135deg,#00e8d0,#00c9b4);
  box-shadow:0 8px 30px rgba(0,224,198,.36),0 0 0 1px rgba(0,224,198,.2);
}
.btn-ghost{
  background:rgba(255,255,255,.03);
  border-color:var(--border);
  color:var(--text);
}
.btn-ghost:hover{
  border-color:rgba(0,224,198,.5);
  color:var(--accent);
  background:rgba(0,224,198,.05);
}
.btn-login{
  background:transparent;
  border:1px solid var(--border);
  color:var(--text-2);
  padding:8px 18px;
  font-weight:600;
}
.btn-login:hover{border-color:rgba(0,224,198,.45);color:var(--accent)}
.overline{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--accent);
  font-weight:700;
  letter-spacing:.05em;
  font-size:.8rem;
  text-transform:uppercase;
  margin-bottom:10px;
}
.overline::before{content:"";width:18px;height:2px;background:var(--accent);box-shadow:0 0 12px var(--accent-glow);border-radius:2px}
.sec-head{margin-bottom:clamp(28px,4vw,48px)}
.sec-head h2{font-size:clamp(1.6rem,2.6vw,2.4rem);font-weight:700;line-height:1.3;margin:0;color:var(--text)}
.sec-head .sub-title{margin:10px 0 0;color:var(--text-2);font-size:1rem;max-width:760px}
/* Header */
.site-header{
  position:sticky;
  top:0;
  z-index:99;
  background:rgba(10,15,28,.78);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:76px;gap:14px;flex-wrap:wrap}
.logo{display:inline-flex;align-items:center;gap:11px;flex-shrink:0}
.logo-icon{flex:none;display:flex}
.logo-text{font-size:1.22rem;font-weight:800;color:var(--text);line-height:1.2;letter-spacing:.01em}
.logo-url{color:var(--accent)}
.main-nav{display:flex;align-items:center;gap:2px;margin:0 8px}
.main-nav a{
  position:relative;
  padding:8px 14px;
  border-radius:10px;
  color:var(--text-2);
  font-weight:600;
  line-height:1.4;
  white-space:nowrap;
}
.main-nav a:hover{color:var(--text)}
.main-nav a.active{color:var(--text)}
.main-nav a.active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:2px;
  width:20px;
  height:2px;
  border-radius:2px;
  background:var(--accent);
  transform:translateX(-50%);
  box-shadow:0 0 12px var(--accent-glow);
}
.header-actions{display:flex;align-items:center;gap:10px}
.search-wrap{
  display:flex;
  align-items:center;
  gap:8px;
  width:236px;
  background:rgba(255,255,255,.06);
  border:1px solid var(--border);
  border-radius:var(--radius-round);
  padding:7px 15px;
  transition:border-color .24s ease,box-shadow .24s ease;
}
.search-wrap:hover{border-color:rgba(0,224,198,.4)}
.search-wrap:focus-within{border-color:rgba(0,224,198,.68);box-shadow:0 0 0 3px rgba(0,224,198,.12)}
.search-wrap i{color:var(--text-3);font-size:.9rem}
.search-wrap input{background:transparent;border:0;outline:0;color:var(--text);width:100%;font-size:.9rem}
.search-wrap input::-webkit-search-cancel-button{-webkit-appearance:none}
.burger{
  display:none;
  width:42px;
  height:42px;
  border-radius:12px;
  align-items:center;
  justify-content:center;
  border:1px solid var(--border);
  background:rgba(255,255,255,.05);
  color:var(--text-2);
  cursor:pointer;
  transition:all .24s ease;
}
.burger:hover{color:var(--accent);border-color:rgba(0,224,198,.4)}
.nav-toggle{position:absolute;opacity:0;pointer-events:none}
/* Page hero */
.cat-hero{
  position:relative;
  padding:clamp(56px,8vw,90px) 0 64px;
  background:
    linear-gradient(180deg,rgba(10,15,28,.58),rgba(13,20,36,.86)),
    linear-gradient(120deg,rgba(0,224,198,.08),transparent 42%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-bottom:1px solid rgba(255,255,255,.06);
  color:var(--text);
}
.cat-hero .breadcrumb{font-size:.84rem;color:var(--text-3);margin-bottom:32px;display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.cat-hero .breadcrumb a:hover{color:var(--accent)}
.cat-hero .breadcrumb i{font-size:.65rem;opacity:.6}
.page-hero-area{position:relative;z-index:2}
.cat-h1{
  font-size:clamp(1.9rem,3.8vw,3.1rem);
  font-weight:800;
  line-height:1.22;
  margin:12px 0 18px;
  max-width:920px;
}
.cat-h1 .keyword-mac{color:var(--accent)}
.cat-hero .site-lead{font-size:1.06rem;color:var(--text-2);max-width:760px;margin:0 0 26px;line-height:1.85}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:rgba(255,255,255,.06);
  border:1px solid var(--border);
  color:var(--text-2);
  padding:5px 13px;
  border-radius:var(--radius-round);
  font-size:.82rem;
  transition:all .24s ease;
}
.tag i{color:var(--accent);font-size:.72rem}
.tag:hover{border-color:rgba(0,224,198,.5);color:var(--accent)}
.hero-quick-card{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.13);
  border-radius:var(--radius-lg);
  padding:22px 24px;
  backdrop-filter:blur(14px);
  box-shadow:0 18px 40px rgba(0,0,0,.28);
}
.hero-quick-card .quick-title{font-size:1rem;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.hero-quick-card .quick-title i{color:var(--accent)}
.quick-line{display:flex;align-items:flex-start;gap:12px;padding:10px 0;border-top:1px solid rgba(255,255,255,.09);color:var(--text-2)}
.quick-line .rk{color:var(--accent);font-family:"SF Mono",Consolas,"Courier New",monospace;font-size:.8rem;line-height:1.9}
.quick-line p{margin:4px 0 0;font-size:.88rem;color:var(--text-3)}
/* entry access */
.entry-area{}
.access-window{overflow:hidden}
.window-top{display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.07);padding:14px 20px;border-bottom:1px solid var(--border)}
.window-dot{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.16)}
.window-dot:first-child{background:var(--danger)}
.window-address{
  flex:1;
  display:flex;
  align-items:center;
  gap:8px;
  background:rgba(0,224,198,.08);
  border:1px solid rgba(0,224,198,.14);
  border-radius:999px;
  color:var(--accent);
  padding:6px 16px;
  font-family:"SF Mono",Consolas,"Courier New",monospace;
  font-size:.82rem;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  margin-left:6px;
}
.window-body{padding:8px 24px 20px}
.entrance-row{display:flex;align-items:flex-start;gap:16px;padding:22px 4px;border-bottom:1px solid rgba(255,255,255,.09)}
.entrance-row:last-of-type{border-bottom:0}
.entrance-icon{
  width:46px;height:46px;flex:none;
  display:flex;align-items:center;justify-content:center;
  border-radius:13px;
  background:linear-gradient(135deg,rgba(46,107,255,.2),rgba(0,224,198,.12));
  border:1px solid rgba(0,224,198,.24);
  color:var(--accent);
  font-size:1.15rem;
}
.entrance-info{flex:1}
.entrance-info h3{font-size:1.08rem;margin:0 0 6px;font-weight:700;color:var(--text)}
.entrance-info p{margin:0;font-size:.9rem;color:var(--text-2);line-height:1.65}
.entrance-arrow{
  flex:none;
  width:36px;height:36px;
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(0,224,198,.1);
  color:var(--accent);
  border:1px solid transparent;
  transition:all .24s ease;
}
.entrance-row:hover .entrance-arrow{background:var(--accent);color:#07121A;transform:translateX(3px)}
.entrance-row:hover{cursor:pointer}
/* Mini steps */
.mini-panel{position:relative}
.mini-panel img{border-radius:var(--radius-lg);width:100%;object-fit:cover;margin-bottom:18px}
.mini-steps{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.mini-steps li{display:flex;gap:14px;align-items:flex-start}
.mini-steps .step-dot{
  width:34px;height:34px;border-radius:50%;flex:none;
  display:flex;align-items:center;justify-content:center;
  background:rgba(46,107,255,.18);
  border:1px solid rgba(46,107,255,.3);
  color:#BFCBFF;
  font-weight:800;
  font-size:1rem;
}
.mini-steps h4{margin:0;font-size:1rem;font-weight:700}
.mini-steps p{margin:4px 0 0;color:var(--text-2);font-size:.86rem}
.mini-steps li strong{font-weight:600;color:var(--text)}
/* Scene cards */
.scene-card{
  height:100%;
  background:var(--glass);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:26px 24px;
  box-shadow:var(--shadow-card);
  transition:border-color .24s ease,box-shadow .24s ease,transform .24s ease;
}
.scene-card:hover{border-color:rgba(0,224,198,.4);box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.scene-icon{
  width:42px;height:42px;border-radius:12px;
  background:rgba(0,224,198,.12);
  color:var(--accent);
  display:flex;align-items:center;justify-content:center;
  font-size:1rem;
  border:1px solid rgba(0,224,198,.18);
  margin-bottom:14px;
}
.scene-card h3{font-size:1.05rem;font-weight:700;margin:0 0 8px}
.scene-card p{margin:0;color:var(--text-2);font-size:.9rem;line-height:1.7}
.scene-card .scene-more{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:.86rem;color:var(--accent);font-weight:600}
.scene-card .scene-more i{transition:transform .24s ease}
.scene-card:hover .scene-more i{transform:translateX(4px)}
.scene-img{width:100%;height:180px;object-fit:cover;border-radius:var(--radius-lg);margin-bottom:16px}
/* Steps section */
.flow-card{
  display:flex;
  align-items:flex-start;
  gap:22px;
  background:var(--glass);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:30px 28px;
  height:100%;
  transition:all .24s ease;
}
.flow-card:hover{border-color:rgba(0,224,198,.36);box-shadow:var(--shadow-hover)}
.flow-num{
  font-size:74px;
  line-height:1;
  font-weight:800;
  color:transparent;
  -webkit-text-stroke:1px rgba(0,224,198,.45);
  flex:none;
  min-width:70px;
  transition:color .24s ease;
}
.flow-card:hover .flow-num{color:rgba(0,224,198,.22)}
.flow-card h3{font-size:1.12rem;font-weight:700;margin:4px 0 10px}
.flow-card p{margin:0;color:var(--text-2);font-size:.9rem}
/* Notice card */
.notice-stack{background:rgba(255,184,77,.05);border:1px solid rgba(255,184,77,.22);border-radius:var(--radius-lg);padding:26px}
.notice-stack .notice-title{display:flex;align-items:center;gap:10px;font-weight:700;color:#FFD79A;font-size:1.02rem;margin-bottom:14px}
.notice-stack .notice-title i{color:var(--danger)}
.notice-stack ul{margin:0;padding:0;list-style:none;display:grid;gap:10px}
.notice-stack li{padding-left:22px;position:relative;color:var(--text-2);font-size:.9rem}
.notice-stack li::before{content:"·";position:absolute;left:6px;color:var(--danger);font-weight:800;font-size:1.2rem;line-height:1.2}
/* FAQ */
.faq-wrap{max-width:920px;margin:0 auto}
.faq-list{display:grid;gap:14px}
.faq-item{
  background:var(--glass);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  overflow:hidden;
  transition:border-color .24s ease,box-shadow .24s ease;
}
.faq-item.is-open{border-color:rgba(0,224,198,.42);box-shadow:0 14px 34px rgba(0,0,0,.25),0 0 0 1px rgba(0,224,198,.06)}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  text-align:left;
  gap:16px;
  background:transparent;
  border:0;
  color:var(--text);
  padding:20px 24px;
  font-size:.98rem;
  font-weight:600;
  cursor:pointer;
  line-height:1.5;
}
.faq-q .faq-icon{
  width:30px;height:30px;flex:none;
  border-radius:50%;
  background:rgba(0,224,198,.1);
  color:var(--accent);
  display:flex;align-items:center;justify-content:center;
  font-size:.8rem;
  transition:transform .3s cubic-bezier(.2,.6,.2,1),background .24s ease,color .24s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:var(--accent);color:#07121A}
.faq-a{max-height:0;opacity:0;overflow:hidden;transition:max-height .4s ease,opacity .4s ease}
.faq-item.is-open .faq-a{max-height:600px;opacity:1}
.faq-panel-inner{padding:0 24px 22px;color:var(--text-2);font-size:.92rem;line-height:1.85}
/* Contact / CTA */
.contact-wrap{background:linear-gradient(135deg,rgba(16,26,46,.95),rgba(13,20,36,.75)),url('/assets/images/backpic/back-3.png') center/cover;border-radius:24px;border:1px solid rgba(255,255,255,.1);padding:clamp(22px,5vw,54px);box-shadow:var(--shadow-card)}
.contact-intro h2{font-size:clamp(1.7rem,2.6vw,2.4rem);line-height:1.3;margin:0 0 18px}
.contact-intro p{color:var(--text-2);font-size:1rem;margin:0 0 26px;max-width:420px}
.contact-point{display:flex;align-items:center;gap:12px;color:var(--text-2);font-size:.95rem;margin-bottom:12px}
.contact-point i{color:var(--accent);width:22px;text-align:center}
.site-form{display:grid;gap:16px}
.site-form .form-label{display:block;font-size:.88rem;font-weight:600;color:var(--text-2);margin-bottom:6px}
.site-form input[type="text"],.site-form input[type="email"],.site-form textarea{
  width:100%;
  padding:13px 16px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  color:var(--text);
  outline:0;
  transition:border-color .24s ease,box-shadow .24s ease;
}
.site-form input:focus,.site-form textarea:focus{border-color:rgba(46,107,255,.8);box-shadow:0 0 0 3px rgba(46,107,255,.16)}
.site-form input::placeholder,.site-form textarea::placeholder{color:var(--text-3)}
.site-form textarea{min-height:118px;resize:vertical}
/* footer */
.site-footer{background:linear-gradient(180deg,rgba(10,15,28,.85),#080C16);border-top:1px solid rgba(255,255,255,.08);padding:clamp(50px,6vw,72px) 0 30px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.3fr;gap:38px;margin-bottom:38px}
.footer-logo{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-about{color:var(--text-2);font-size:.9rem;margin:0;max-width:340px;line-height:1.8}
.footer-col h4{font-size:.95rem;font-weight:700;margin:0 0 16px;color:var(--text)}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.footer-col li a{color:var(--text-2);font-size:.9rem;display:inline-flex;padding:4px 0;min-height:28px;align-items:center}
.footer-col li a:hover{color:var(--accent)}
.footer-note{color:var(--text-3);font-size:.86rem;line-height:1.75;margin:0}
.footer-copyright{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  border-top:1px solid rgba(255,255,255,.08);
  padding-top:22px;
  color:var(--text-3);
  font-size:.82rem;
}
/* Back top */
.to-top{
  position:fixed;right:22px;bottom:22px;z-index:60;
  width:44px;height:44px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(0,224,198,.1);
  border:1px solid rgba(0,224,198,.32);
  color:var(--accent);
  cursor:pointer;
  backdrop-filter:blur(10px);
  transition:all .24s ease;
}
.to-top:hover{background:var(--accent);color:#07121A;transform:translateY(-3px);box-shadow:0 8px 24px rgba(0,224,198,.35)}
/* Reduced motion */
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}
/* Responsive */
@media only screen and (max-width:1050px){
  .main-nav{
    order:3;
    flex-basis:100%;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:2px;
    padding:12px 0 18px;
    border-top:1px solid rgba(255,255,255,.08);
  }
  .nav-toggle:checked ~ .header-inner .main-nav{display:flex}
  .main-nav a{padding:12px 14px;border-radius:10px;font-size:1rem;display:flex;align-items:center;justify-content:space-between}
  .main-nav a.active::after{position:relative;left:auto;bottom:auto;transform:none;width:auto;height:3px;flex:none;content:"";display:inline-block;background:var(--accent);height:2px}
  .burger{display:inline-flex}
  .search-wrap{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media only screen and (max-width:767px){
  .header-inner{min-height:68px;gap:8px;padding-top:4px;padding-bottom:4px}
  .logo-text{font-size:1.05rem}
  .logo-icon svg{width:30px;height:30px}
  .btn{padding:8px 16px;font-size:.9rem}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .cat-hero{padding:44px 0 52px}
}
@media only screen and (max-width:520px){
  .logo-text{font-size:.88rem}
  .btn-login{display:none}
  .btn{padding:8px 12px;font-size:.85rem}
  .header-inner{gap:6px}
  .logo-icon svg{width:28px;height:28px}
  .logo-icon{margin-right:0}
  .window-body{padding:0 16px 14px}
  .entrance-row{flex-wrap:wrap;padding:18px 2px}
  .entrance-arrow{margin-left:60px}
  .site-footer .footer-copyright{flex-direction:column;text-align:center}
  .to-top{display:none}
  .contact-wrap{border-radius:18px}
}

/* roulang page: category3 */
:root {
  --bg-main: #0A0F1C;
  --bg-alt: #101A2E;
  --bg-deep: #0D1424;
  --card-glass: rgba(255,255,255,0.05);
  --card-border: rgba(255,255,255,0.12);
  --primary: #2E6BFF;
  --accent: #00E0C6;
  --text-main: #EAF0FA;
  --text-muted: #9AA8BF;
  --text-weak: #6C7A8F;
  --warning: #FFB84D;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 6px;
  --shadow-card: 0 12px 30px rgba(0,0,0,0.25);
  --shadow-hover: 0 18px 44px rgba(0,0,0,0.35);
  --glow-cyan: 0 0 18px rgba(0,224,198,0.35);
  --transition: 240ms cubic-bezier(0.2, 0.6, 0.2, 1);
  --container: 1240px;
  --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: SF Mono, Consolas, "Courier New", monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-stack);
  background: linear-gradient(180deg, #0A0F1C 0%, #101A2E 100%);
  color: var(--text-main);
  font-size: 1rem;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

img {
  max-width: 100%;
  display: block;
  line-height: 0;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover,
a:focus-visible {
  color: var(--text-main);
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

button,
input {
  font-family: inherit;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 76px;
  background: rgba(10,15,28,0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.nav-toggle {
  display: none;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 18px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-main);
  white-space: nowrap;
  line-height: 1.2;
}

.logo .logo-text {
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
}

.logo-url {
  color: var(--accent);
  text-shadow: 0 0 12px rgba(0,224,198,0.35);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-left: 8px;
}

.main-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  height: 76px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-muted);
  padding: 0 4px;
  white-space: nowrap;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--text-main);
  outline: none;
  text-shadow: 0 0 12px rgba(0,224,198,0.2);
}

.main-nav a.active {
  color: var(--text-main);
}

.main-nav a.active::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 22px;
  width: 22px;
  height: 2px;
  background: var(--accent);
  box-shadow: 0 0 12px rgba(0,224,198,0.7);
}

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

.search-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.search-wrap .icon {
  position: absolute;
  left: 14px;
  color: var(--text-weak);
  font-size: 0.85rem;
  pointer-events: none;
}

.search-wrap input[type="search"] {
  width: 220px;
  height: 40px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 999px;
  padding: 0 14px 0 38px;
  color: var(--text-main);
  font-size: 0.875rem;
  outline: none;
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
}

.search-wrap input[type="search"]::placeholder {
  color: var(--text-weak);
}

.search-wrap input[type="search"]:focus {
  border-color: rgba(0,224,198,0.65);
  box-shadow: 0 0 0 3px rgba(0,224,198,0.12);
  background: rgba(255,255,255,0.06);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 42px;
  padding: 0 18px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.9rem;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), color var(--transition), background var(--transition);
  line-height: 1;
  gap: 8px;
}

.btn:focus-visible {
  outline-offset: 3px;
}

.btn-login {
  background: transparent;
  color: var(--text-muted);
  border-color: rgba(255,255,255,0.2);
}

.btn-login:hover,
.btn-login:focus-visible {
  color: var(--text-main);
  border-color: rgba(0,224,198,0.55);
  transform: translateY(-1px);
}

.btn-cyan {
  background: linear-gradient(135deg, #00E0C6, #9DFFEC);
  color: #07121A;
  box-shadow: 0 0 18px rgba(0,224,198,0.3);
}

.btn-cyan:hover,
.btn-cyan:focus-visible {
  color: #07121A;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0,224,198,0.4);
}

.btn-outline {
  background: transparent;
  color: var(--text-main);
  border-color: rgba(255,255,255,0.3);
}

.btn-outline:hover,
.btn-outline:focus-visible {
  color: var(--accent);
  border-color: var(--accent);
  transform: translateY(-2px);
}

.burger {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--text-main);
  cursor: pointer;
  font-size: 1.15rem;
  transition: background var(--transition), border-color var(--transition);
}

.burger:hover {
  border-color: rgba(0,224,198,0.45);
  background: rgba(255,255,255,0.1);
}

.main {
  overflow: hidden;
}

.page-banner {
  position: relative;
  padding: 150px 0 54px;
  background-image: linear-gradient(180deg, rgba(10,15,28,0.9) 0%, rgba(10,15,28,0.72) 45%, rgba(13,20,36,0.94) 100%), url("/assets/images/backpic/back-2.png");
  background-position: center;
  background-size: cover;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}

.page-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  pointer-events: none;
}

.page-banner .container {
  position: relative;
  z-index: 2;
}

.crumb-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  padding: 0;
  margin: 0 0 18px;
  font-size: 0.875rem;
  color: var(--text-weak);
}

.crumb-list li {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.crumb-list li + li::before {
  content: "/";
  color: var(--text-weak);
  opacity: 0.55;
}

.crumb-list a {
  color: var(--text-muted);
}

.crumb-list a:hover {
  color: var(--accent);
}

.category-title {
  max-width: 920px;
  font-size: clamp(1.9rem, 4vw, 3.1rem);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 18px;
  letter-spacing: 0.5px;
}

.category-title .accent {
  color: var(--accent);
  text-shadow: 0 0 22px rgba(0,224,198,0.35);
}

.category-lead {
  max-width: 760px;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-muted);
  margin-bottom: 18px;
}

.tag-flow {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.tag-pill {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 13px;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.3px;
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}

.tag-pill:hover,
.tag-pill:focus-visible {
  color: var(--accent);
  border-color: rgba(0,224,198,0.45);
  outline: none;
}

.section {
  padding: clamp(54px, 8vw, 90px) 0;
}

.section-bg {
  background: rgba(16,26,46,0.6);
}

.section-deep {
  background: var(--bg-deep);
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.section-head {
  margin-bottom: 34px;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.section-eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--accent);
  box-shadow: 0 0 8px rgba(0,224,198,0.5);
}

.section-title {
  font-size: clamp(1.6rem, 2.6vw, 2.3rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 10px;
}

.section-subtitle {
  color: var(--text-muted);
  max-width: 680px;
  font-size: 0.95rem;
}

/* 推荐横条 */
.feature-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  background: var(--card-glass);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.feature-hero:hover {
  border-color: rgba(0,224,198,0.28);
  box-shadow: var(--shadow-hover), 0 0 30px rgba(0,224,198,0.08);
}

.feature-art {
  position: relative;
  min-height: 280px;
  background-image: url("/assets/images/coverpic/cover-8.webp");
  background-size: cover;
  background-position: center;
}

.feature-art::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10,15,28,0.25) 0%, rgba(10,15,28,0) 40%, rgba(16,26,46,0.7) 100%);
}

.feature-content {
  padding: clamp(24px, 4vw, 44px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.feature-content .card-badge {
  margin-bottom: 16px;
}

.feature-content h3 {
  font-size: clamp(1.35rem, 2vw, 1.9rem);
  line-height: 1.35;
  margin-bottom: 14px;
  font-weight: 700;
}

.feature-content p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 20px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  color: var(--accent);
  font-size: 0.9rem;
}

.text-link i {
  transition: transform var(--transition);
}

.text-link:hover,
.text-link:focus-visible {
  text-shadow: 0 0 14px rgba(0,224,198,0.35);
  outline: none;
}

.text-link:hover i,
.text-link:focus-visible i {
  transform: translateX(4px);
}

.card-badge {
  display: inline-flex;
  align-items: center;
  height: 26px;
  padding: 0 11px;
  border-radius: var(--radius-sm);
  font-size: 0.73rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  background: rgba(0,224,198,0.12);
  border: 1px solid rgba(0,224,198,0.3);
  color: var(--accent);
}

.card-badge.warn {
  background: rgba(255,184,77,0.12);
  border-color: rgba(255,184,77,0.4);
  color: var(--warning);
}

.card-badge.blue {
  background: rgba(46,107,255,0.18);
  border-color: rgba(46,107,255,0.45);
  color: #9FC0FF;
}

/* 双栏资讯速览 */
.side-list {
  display: grid;
  gap: 16px;
  height: 100%;
}

.h-list-card {
  display: grid;
  grid-template-columns: 124px minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  background: var(--card-glass);
  border: 1px solid var(--card-border);
  padding: 14px;
  border-radius: var(--radius-md);
  box-shadow: 0 6px 16px rgba(0,0,0,0.16);
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.h-list-card:hover {
  border-color: rgba(0,224,198,0.28);
  box-shadow: 0 12px 24px rgba(0,0,0,0.24);
}

.h-list-thumb {
  aspect-ratio: 4 / 3;
  border-radius: 10px;
  background-size: cover;
  background-position: center;
  background-color: rgba(255,255,255,0.05);
}

.h-list-body h4 {
  font-size: 1rem;
  line-height: 1.45;
  margin-bottom: 4px;
  font-weight: 650;
}

.h-list-body p {
  color: var(--text-muted);
  font-size: 0.82rem;
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.h-list-body .meta-line {
  color: var(--text-weak);
  font-size: 0.75rem;
  margin-top: 6px;
}

/* 收集矩阵 */
.collection-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 20px;
}

.col-card {
  background: var(--card-glass);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: clamp(20px, 3vw, 30px);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 270px;
  box-shadow: var(--shadow-card);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.col-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.24;
  z-index: 0;
  transition: opacity var(--transition), transform 1s ease;
}

.col-card:hover::before {
  opacity: 0.3;
  transform: scale(1.03);
}

.col-card > * {
  position: relative;
  z-index: 1;
}

.col-card-main {
  grid-column: span 7;
  min-height: 330px;
}

.col-card-main::before {
  background-image: url("/assets/images/coverpic/cover-6.png");
}

.col-card-1 {
  grid-column: span 5;
  min-height: 225px;
}

.col-card-1::before {
  background-image: url("/assets/images/coverpic/cover-5.webp");
}

.col-card-2 {
  grid-column: span 5;
  min-height: 225px;
}

.col-card-2::before {
  background-image: url("/assets/images/coverpic/cover-7.webp");
}

.col-card h3 {
  font-size: 1.35rem;
  line-height: 1.4;
  font-weight: 700;
  margin-bottom: 8px;
}

.col-card p {
  font-size: 0.9rem;
  color: rgba(234,240,250,0.72);
  max-width: 90%;
  margin-bottom: 14px;
}

.col-card-main h3 {
  font-size: clamp(1.4rem, 2vw, 1.8rem);
  max-width: 80%;
}

/* URL 样式 */
.url-capsule {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(0,224,198,0.08);
  border: 1px solid rgba(0,224,198,0.22);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

/* 流程区 */
.process-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 28px;
}

.process-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.process-step {
  display: grid;
  grid-template-columns: 80px minmax(0, 1fr);
  gap: 22px;
  align-items: start;
  padding: 22px 24px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  transition: border-color var(--transition), background var(--transition);
}

.process-step:hover {
  background: rgba(255,255,255,0.06);
  border-color: rgba(0,224,198,0.2);
}

.step-number {
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1;
  color: rgba(255,255,255,0.12);
  font-family: var(--font-mono);
}

.process-step h3 {
  font-size: 1.12rem;
  margin-bottom: 6px;
}

.process-step p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.safety-card {
  background: linear-gradient(150deg, rgba(255,184,77,0.08), rgba(255,184,77,0.03));
  border: 1px solid rgba(255,184,77,0.25);
  border-radius: var(--radius-lg);
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 220px;
  box-shadow: var(--shadow-card);
}

.safety-card .card-badge.warn {
  margin-bottom: 16px;
}

.safety-card h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
  color: #FFE1A8;
}

.safety-card p {
  color: rgba(234,240,250,0.75);
  font-size: 0.9rem;
}

/* FAQ */
.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  align-items: start;
}

.faq-grid .faq-item {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  padding: 0;
  overflow: hidden;
}

.faq-grid .faq-item button {
  width: 100%;
  background: transparent;
  border: none;
  padding: 20px 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  color: var(--text-main);
  font-size: 0.98rem;
  font-weight: 650;
  line-height: 1.5;
  text-align: left;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.faq-grid .faq-item button:hover,
.faq-grid .faq-item button:focus {
  background: rgba(255,255,255,0.06);
  color: var(--accent);
  outline: none;
}

.faq-grid .faq-item button::after {
  content: "\f078";
  font-family: "Font Awesome 5 Free";
  font-weight: 900;
  font-size: 0.8rem;
  color: var(--text-weak);
  transition: transform var(--transition), color var(--transition);
  flex: 0 0 auto;
}

.faq-grid .faq-item.is-active button::after {
  transform: rotate(180deg);
  color: var(--accent);
}

.faq-grid .faq-item .faq-body {
  padding: 0 22px 20px;
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.75;
}

/* CTA */
.cta-panel {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: clamp(28px, 5vw, 50px);
  background: linear-gradient(135deg, rgba(46,107,255,0.14), rgba(0,224,198,0.05));
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: calc(var(--radius-lg) + 4px);
  box-shadow: var(--shadow-card);
}

.cta-copy {
  max-width: 660px;
}

.cta-copy h2 {
  font-size: clamp(1.45rem, 2.2vw, 2rem);
  margin-bottom: 8px;
}

.cta-copy p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* footer */
.site-footer {
  background: rgba(10,15,28,0.92);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 64px 0 0;
  margin-top: 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 38px;
}

.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 1rem;
  color: var(--text-main);
  margin-bottom: 14px;
}

.footer-about {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--text-muted);
  max-width: 320px;
  margin-bottom: 14px;
}

.footer-title {
  color: var(--text-main);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  color: var(--text-muted);
  font-size: 0.88rem;
}

.footer-col ul li a:hover,
.footer-col ul li a:focus-visible {
  color: var(--accent);
  outline: none;
  text-shadow: 0 0 12px rgba(0,224,198,0.2);
}

.footer-note {
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 1.7;
}

.footer-copyright {
  border-top: 1px solid rgba(255,255,255,0.07);
  padding: 24px 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  color: var(--text-weak);
  font-size: 0.78rem;
}

@media (max-width: 1024px) {
  .search-wrap {
    display: none;
  }

  .main-nav {
    gap: 14px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
}

@media (max-width: 820px) {
  .header-actions {
    gap: 10px;
  }

  .main-nav {
    display: none;
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    background: rgba(10,15,28,0.96);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 16px 20px 24px;
  }

  .nav-toggle:checked ~ .container .main-nav {
    display: flex;
  }

  .main-nav a {
    height: auto;
    padding: 13px 8px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    font-size: 0.95rem;
  }

  .main-nav a.active::after {
    display: none;
  }

  .main-nav a.active {
    color: var(--accent);
  }

  .burger {
    display: inline-flex;
  }

  .btn-login {
    display: none;
  }

  .feature-hero {
    grid-template-columns: 1fr;
  }

  .feature-art {
    min-height: 220px;
  }

  .feature-art::after {
    background: linear-gradient(180deg, rgba(10,15,28,0.1) 0%, rgba(16,26,46,0.8) 100%);
  }

  .collection-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .col-card-main {
    grid-column: span 2;
  }

  .col-card-1,
  .col-card-2 {
    grid-column: span 2;
  }

  .process-wrap {
    grid-template-columns: 1fr;
  }

  .faq-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .header-inner {
    gap: 10px;
  }

  .logo {
    font-size: 0.92rem;
  }

  .logo-icon {
    display: none;
  }

  .header-actions .btn-cyan {
    height: 38px;
    padding: 0 14px;
    font-size: 0.82rem;
  }

  .burger {
    width: 38px;
    height: 38px;
  }

  .page-banner {
    padding: 126px 0 44px;
  }

  .category-title {
    font-size: 1.7rem;
  }

  .section {
    padding: 50px 0;
  }

  .collection-grid,
  .process-wrap,
  .faq-grid {
    grid-template-columns: 1fr;
  }

  .col-card-main {
    grid-column: auto;
  }

  .col-card-1,
  .col-card-2 {
    grid-column: auto;
  }

  .process-step {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .footer-copyright {
    flex-direction: column;
  }

  .cta-panel {
    flex-direction: column;
    align-items: stretch;
    text-align: left;
  }
}

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