/* roulang page: index */
/* ==================== Design Tokens ==================== */
:root{
  --bg-deep:#070D1F;
  --bg-card:rgba(255,255,255,0.06);
  --bg-card-hover:rgba(255,255,255,0.1);
  --primary:#1B2A5E;
  --accent-cyan:#00E5FF;
  --accent-purple:#7B61FF;
  --accent-tea:#D4A574;
  --text-main:#E8EDFF;
  --text-sub:#8A96C8;
  --border-glass:rgba(255,255,255,0.1);
  --success:#34D399;
  --error:#F87171;
  --warning:#FBBF24;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-chip:999px;
  --shadow-card:0 8px 32px rgba(0,0,0,0.35);
  --shadow-card-hover:0 12px 40px rgba(0,0,0,0.5);
  --shadow-cyan:0 0 20px rgba(0,229,255,0.4);
  --shadow-cyan-hover:0 0 32px rgba(0,229,255,0.6);
  --font-main:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  --container-w:1200px;
  --gap:24px;
  --spacer:120px;
  --spacer-mobile:64px;
}

/* ==================== Reset / Base ==================== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-main);
  background:var(--bg-deep);
  color:var(--text-main);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color .25s ease,border-color .25s ease,background .25s ease,transform .25s ease,box-shadow .25s ease}
img{max-width:100%;display:block}
ul,ol{list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;background:none;border:none;outline:none}
button{cursor:pointer}
::selection{background:rgba(0,229,255,.25);color:#fff}
:focus-visible{outline:2px solid var(--accent-cyan);outline-offset:2px;border-radius:4px}

/* ==================== Container ==================== */
.container{max-width:var(--container-w);margin:0 auto;padding:0 24px}
.section{padding:var(--spacer) 0}
@media(max-width:768px){.section{padding:var(--spacer-mobile) 0}}

/* ==================== Buttons ==================== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 32px;border-radius:var(--radius-btn);
  font-weight:600;font-size:16px;line-height:1;transition:all .3s ease;
  cursor:pointer;border:1px solid transparent;white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,#00E5FF, #00D0B8);
  color:#07142A;box-shadow:var(--shadow-cyan);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-cyan-hover);color:#07142A}
.btn-primary:active{transform:translateY(0px);box-shadow:0 0 12px rgba(0,229,255,.3)}
.btn-secondary{
  background:rgba(255,255,255,0.05);color:var(--text-main);
  border-color:rgba(255,255,255,0.18);
}
.btn-secondary:hover{border-color:var(--accent-cyan);color:var(--accent-cyan);background:rgba(0,229,255,.05)}
.btn-secondary:active{transform:scale(.98)}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
.btn-lg{padding:16px 40px;font-size:17px;width:100%}

/* ==================== Badges / Chips ==================== */
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 18px;border-radius:var(--radius-chip);
  background:rgba(255,255,255,0.06);border:1px solid var(--border-glass);
  font-size:12px;font-weight:500;letter-spacing:.5px;
  cursor:pointer;user-select:none;transition:all .3s ease;
}
.chip-dot{width:6px;height:6px;border-radius:50%;transition:box-shadow .3s ease,background .3s ease}
.chip.preheat .chip-dot{background:#94A3B8}
.chip.live .chip-dot{background:var(--accent-cyan);box-shadow:0 0 10px var(--accent-cyan)}
.chip.replay .chip-dot{background:var(--accent-purple);box-shadow:0 0 10px var(--accent-purple)}
.chip:hover{background:rgba(255,255,255,0.12)}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:var(--radius-chip);
  font-size:12px;font-weight:500;
}
.badge-cyan{background:rgba(0,229,255,.12);color:var(--accent-cyan);border:1px solid rgba(0,229,255,.2)}
.badge-tea{background:rgba(212,165,116,.12);color:var(--accent-tea);border:1px solid rgba(212,165,116,.25)}
.badge-purple{background:rgba(123,97,255,.12);color:var(--accent-purple);border:1px solid rgba(123,97,255,.25)}
.badge i{font-size:11px}

/* ==================== Header / Nav ==================== */
.site-header{
  position:fixed;top:0;left:0;width:100%;z-index:1000;
  background:rgba(7,13,31,0.85);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid rgba(255,255,255,0.08);
  transition:background .3s ease;
}
.site-header.scrolled{background:rgba(7,13,31,0.95)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.brand{display:flex;flex-direction:column;line-height:1.2;flex-shrink:0}
.brand-main{font-size:16px;font-weight:800;color:var(--text-main);letter-spacing:.5px}
.brand-sub{font-size:11px;color:var(--accent-tea);font-weight:500;letter-spacing:1px}
.brand:hover .brand-main{color:var(--accent-cyan)}

.main-nav{display:flex;align-items:center;gap:28px}
.nav-links{display:flex;gap:24px}
.nav-links a{
  font-size:15px;font-weight:500;color:var(--text-sub);position:relative;
  padding:4px 0;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;
  background:var(--accent-cyan);transition:width .3s ease;border-radius:2px;
}
.nav-links a:hover,.nav-links a.active{color:var(--text-main)}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.menu-toggle{display:none;font-size:24px;color:var(--text-main);background:none;border:none;cursor:pointer;padding:8px}

/* ==================== Hero ==================== */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:center;
  background:url('/assets/images/backpic/back-1.jpg') no-repeat center center/cover;
  padding:120px 0 80px;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(7,13,31,0.97) 30%,rgba(7,13,31,0.82) 55%,rgba(7,13,31,0.55) 100%);
  z-index:1;
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:radial-gradient(ellipse at 30% 50%,rgba(0,229,255,0.08) 0%,transparent 60%);
}
.hero-content{position:relative;z-index:2;display:grid;grid-template-columns:1fr 400px;gap:64px;align-items:center}
.hero-stamp{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 16px;border-radius:999px;
  background:linear-gradient(135deg,rgba(0,229,255,.15),rgba(212,165,116,.1));
  border:1px solid rgba(0,229,255,.25);
  font-size:13px;font-weight:600;color:var(--accent-cyan);margin-bottom:24px;
}
.hero-stamp .pulse{width:6px;height:6px;border-radius:50%;background:var(--accent-cyan);animation:pulse 2s infinite}
@keyframes pulse{
  0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(0,229,255,.6)}
  50%{opacity:.7;box-shadow:0 0 12px 4px rgba(0,229,255,.3)}
}
.hero-title{font-size:clamp(36px,4.6vw,52px);font-weight:800;line-height:1.25;margin-bottom:20px;color:var(--text-main)}
.hero-title .highlight{background:linear-gradient(135deg,var(--accent-cyan),var(--accent-tea));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-subtitle{font-size:18px;line-height:1.8;color:var(--text-sub);max-width:520px;margin-bottom:32px}
.hero-ctas{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:28px}
.hero-meta{display:flex;gap:24px;flex-wrap:wrap;font-size:13px;color:var(--text-sub)}
.hero-meta span{display:inline-flex;align-items:center;gap:6px}
.hero-meta i{color:var(--accent-tea);font-size:14px}

/* Score Card */
.score-card{
  background:rgba(255,255,255,0.07);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  border:1px solid rgba(255,255,255,0.12);border-radius:20px;
  padding:32px;box-shadow:var(--shadow-card);
}
.score-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.score-head .total{font-size:44px;font-weight:800;line-height:1;color:var(--text-main);font-feature-settings:"tnum"}
.score-head .total small{font-size:16px;color:var(--text-sub);font-weight:400}
.score-stars{color:var(--accent-cyan);font-size:14px;letter-spacing:2px;margin-top:8px}
.score-item{margin-bottom:18px}
.score-item:last-child{margin-bottom:0}
.score-label{display:flex;justify-content:space-between;font-size:13px;color:var(--text-sub);margin-bottom:6px}
.score-label b{color:var(--text-main);font-weight:600;font-feature-settings:"tnum"}
.score-track{height:6px;background:rgba(255,255,255,0.1);border-radius:99px;overflow:hidden}
.score-fill{height:100%;background:linear-gradient(90deg,var(--accent-cyan),#00D0B8);border-radius:99px;transition:width 1.2s ease}
.hero-hours{
  margin-top:20px;padding:14px 16px;border-radius:12px;
  background:rgba(255,255,255,0.04);border:1px dashed rgba(255,255,255,0.12);
  font-size:13px;color:var(--text-sub);text-align:center;
}
.hero-hours i{color:var(--success);margin-right:6px}

/* Scroll Indicator */
.scroll-indicator{
  position:absolute;bottom:24px;left:50%;transform:translateX(-50%);z-index:2;
  color:var(--text-sub);font-size:22px;animation:bounce 2s infinite;cursor:pointer;
}
@keyframes bounce{
  0%,20%,50%,80%,100%{transform:translateX(-50%) translateY(0)}
  40%{transform:translateX(-50%) translateY(-10px)}
  60%{transform:translateX(-50%) translateY(-5px)}
}

/* ==================== Section Titles ==================== */
.sec-head{max-width:760px;margin-bottom:56px}
.sec-tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;color:var(--accent-cyan);
  letter-spacing:1px;margin-bottom:14px;
}
.sec-tag::before{content:"";width:24px;height:2px;background:var(--accent-cyan);border-radius:2px}
.sec-title{font-size:clamp(28px,3vw,40px);font-weight:700;line-height:1.3;margin-bottom:16px;color:var(--text-main)}
.sec-desc{font-size:16px;color:var(--text-sub);line-height:1.8;max-width:65ch}

/* ==================== Pain Section ==================== */
.pain-section{background:var(--bg-deep);position:relative}
.pain-section::before{
  content:"";position:absolute;top:0;left:0;width:100%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,0.08),transparent);
}
.pain-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:64px;align-items:center}
.pain-cards{display:flex;flex-direction:column;gap:20px}
.pain-card{
  display:flex;align-items:flex-start;gap:18px;
  background:var(--bg-card);border:1px solid var(--border-glass);
  border-radius:var(--radius-card);padding:24px;
  transition:background .3s ease,border-color .3s ease,transform .3s ease;
}
.pain-card:hover{background:var(--bg-card-hover);border-color:rgba(255,255,255,0.2);transform:translateX(4px)}
.pain-icon{
  width:44px;height:44px;flex-shrink:0;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(0,229,255,0.1);border:1px solid rgba(0,229,255,0.2);color:var(--accent-cyan);font-size:18px;
}
.pain-card:nth-child(even) .pain-icon{
  background:rgba(212,165,116,0.1);border-color:rgba(212,165,116,0.2);color:var(--accent-tea);
}
.pain-card h3{font-size:17px;font-weight:600;margin-bottom:4px}
.pain-card p{font-size:14px;color:var(--text-sub);line-height:1.6}

/* ==================== Solution Section ==================== */
.solution-section{background:linear-gradient(180deg,var(--bg-deep) 0%,#0A1226 50%,var(--bg-deep) 100%)}
.solution-row{
  display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;
  padding:60px 0;
}
.solution-row+.solution-row{border-top:1px solid rgba(255,255,255,0.04)}
.solution-image{position:relative;border-radius:20px;overflow:hidden;box-shadow:var(--shadow-card)}
.solution-image img{width:100%;height:400px;object-fit:cover;transition:transform .5s ease}
.solution-image:hover img{transform:scale(1.03)}
.solution-image::after{
  content:"";position:absolute;inset:0;border-radius:20px;
  background:linear-gradient(180deg,transparent 60%,rgba(7,13,31,0.6) 100%);
}
.solution-badges{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0}
.solution-info{
  display:flex;flex-wrap:wrap;gap:12px;margin-top:20px;
  padding:16px 0;border-top:1px solid var(--border-glass);border-bottom:1px solid var(--border-glass);
}
.solution-info .info-item{
  display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-sub);
}
.solution-info .info-item i{color:var(--accent-cyan);font-size:14px}
.rating-line{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-sub);margin-top:16px}
.stars{color:var(--accent-cyan);font-size:14px;letter-spacing:2px}
.rating-num{font-weight:700;color:var(--text-main);font-feature-settings:"tnum"}

/* Combo Plan */
.combo-box{
  margin-top:40px;background:var(--bg-card);border:1px solid var(--border-glass);
  border-radius:var(--radius-card);padding:32px;
}
.combo-box h3{font-size:20px;font-weight:700;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.combo-box h3 i{color:var(--accent-tea)}
.combo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:20px}
.combo-item{
  text-align:center;padding:20px 16px;border-radius:14px;
  background:rgba(255,255,255,0.03);border:1px solid var(--border-glass);transition:all .3s ease;
}
.combo-item:hover{border-color:var(--accent-cyan);background:rgba(0,229,255,.04)}
.combo-item .combo-name{font-size:16px;font-weight:700;margin-bottom:6px}
.combo-item .combo-time{font-size:13px;color:var(--text-sub);margin-bottom:8px}
.combo-item .combo-price{font-size:14px;color:var(--accent-tea);font-weight:600}
.combo-item .combo-price strong{font-size:18px;color:var(--accent-cyan)}

/* ==================== Stats Section ==================== */
.stats-section{
  background:linear-gradient(180deg,var(--bg-deep),#0A1226);
  position:relative;overflow:hidden;
}
.stats-section::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(0,229,255,0.04) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(0,229,255,0.04) 1px,transparent 1px);
  background-size:40px 40px;
}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;position:relative;z-index:1}
.stat-item{text-align:center;padding:36px 24px;background:var(--bg-card);border:1px solid var(--border-glass);border-radius:var(--radius-card);transition:all .3s ease}
.stat-item:hover{border-color:rgba(0,229,255,.3);transform:translateY(-4px)}
.stat-number{
  font-size:44px;font-weight:800;color:var(--accent-cyan);
  font-feature-settings:"tnum";line-height:1.1;margin-bottom:8px;
  animation:fadeUp .8s ease both;
}
.stat-label{font-size:14px;color:var(--text-sub)}
@keyframes fadeUp{
  from{opacity:0;transform:translateY(16px)}
  to{opacity:1;transform:translateY(0)}
}
.stat-item:nth-child(1) .stat-number{animation-delay:.1s}
.stat-item:nth-child(2) .stat-number{animation-delay:.2s}
.stat-item:nth-child(3) .stat-number{animation-delay:.3s}
.stat-item:nth-child(4) .stat-number{animation-delay:.4s}

/* ==================== Testimonials ==================== */
.testimonials-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.testimonial-card{
  background:var(--bg-card);border:1px solid var(--border-glass);
  border-radius:var(--radius-card);padding:28px;
  display:flex;flex-direction:column;gap:16px;
  transition:all .3s ease;
}
.testimonial-card:hover{
  background:var(--bg-card-hover);border-color:rgba(255,255,255,0.22);
  transform:translateY(-4px);box-shadow:var(--shadow-card-hover);
}
.testimonial-stars{color:var(--accent-cyan);font-size:14px;letter-spacing:3px}
.testimonial-text{font-size:15px;line-height:1.75;color:var(--text-sub);flex:1}
.testimonial-footer{
  display:flex;align-items:center;justify-content:space-between;
  border-top:1px solid var(--border-glass);padding-top:16px;
}
.testimonial-name{font-size:14px;font-weight:600;color:var(--text-main)}
.testimonial-tag{font-size:12px;padding:4px 12px;border-radius:999px;background:rgba(212,165,116,0.1);color:var(--accent-tea)}

/* ==================== Process + FAQ ==================== */
.process-faq-section{background:var(--bg-deep)}
.process-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.process-steps::before{
  content:"";position:absolute;top:28px;left:8%;right:8%;height:2px;
  background:linear-gradient(90deg,transparent,var(--accent-cyan),transparent);
  opacity:.3;
}
.process-step{text-align:center;position:relative;z-index:1}
.process-step-icon{
  width:56px;height:56px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#0A1226,#1B2A5E);
  border:2px solid rgba(0,229,255,.3);
  color:var(--accent-cyan);font-size:20px;
  margin:0 auto 16px;box-shadow:0 0 20px rgba(0,229,255,.15);
  transition:all .3s ease;
}
.process-step:hover .process-step-icon{transform:scale(1.08);box-shadow:0 0 30px rgba(0,229,255,.3)}
.process-step h3{font-size:16px;font-weight:700;margin-bottom:6px}
.process-step p{font-size:13px;color:var(--text-sub);line-height:1.5;max-width:160px;margin:0 auto}

.faq-block{margin-top:80px}
.faq-list{max-width:760px;margin:0 auto}
.faq-item{
  border:1px solid var(--border-glass);border-radius:14px;
  background:var(--bg-card);margin-bottom:14px;overflow:hidden;
  transition:border-color .3s ease;
}
.faq-item.active{border-color:rgba(0,229,255,.3)}
.faq-question{
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 24px;font-size:16px;font-weight:600;cursor:pointer;
  transition:background .3s ease;
}
.faq-question:hover{background:rgba(255,255,255,0.04)}
.faq-icon{
  width:24px;height:24px;flex-shrink:0;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(0,229,255,.1);color:var(--accent-cyan);
  font-size:14px;transition:transform .3s ease;
}
.faq-item.active .faq-icon{transform:rotate(45deg)}
.faq-answer{
  max-height:0;overflow:hidden;transition:max-height .35s ease;
  padding:0 24px;color:var(--text-sub);font-size:15px;line-height:1.75;
}
.faq-item.active .faq-answer{max-height:400px;padding:0 24px 20px}

/* ==================== CTA Section ==================== */
.cta-section{
  background:linear-gradient(135deg,#0A1226 0%,#1B2A5E 60%,#0A1226 100%);
  position:relative;overflow:hidden;
}
.cta-section::before{
  content:"";position:absolute;width:600px;height:600px;border-radius:50%;
  background:rgba(0,229,255,0.08);filter:blur(120px);top:-100px;right:-100px;
}
.cta-wrapper{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;position:relative;z-index:1}
.cta-title{font-size:clamp(28px,3vw,40px);font-weight:700;line-height:1.35;margin-bottom:20px}
.cta-sub{font-size:16px;color:var(--text-sub);line-height:1.8;margin-bottom:32px}
.cta-contact{display:flex;flex-direction:column;gap:16px;margin-top:32px}
.cta-contact-item{display:flex;align-items:center;gap:14px;font-size:15px;color:var(--text-main)}
.cta-contact-item i{width:36px;height:36px;border-radius:50%;background:rgba(0,229,255,.1);border:1px solid rgba(0,229,255,.2);color:var(--accent-cyan);display:flex;align-items:center;justify-content:center;font-size:14px}

.cta-form{
  background:rgba(255,255,255,0.06);backdrop-filter:blur(20px);
  border:1px solid var(--border-glass);border-radius:20px;
  padding:36px;box-shadow:var(--shadow-card);
}
.form-group{margin-bottom:20px}
.form-label{display:block;font-size:14px;font-weight:500;color:var(--text-main);margin-bottom:8px}
.form-control{
  width:100%;padding:13px 16px;border-radius:10px;
  background:rgba(255,255,255,0.04);border:1px solid var(--border-glass);
  color:var(--text-main);font-size:15px;transition:border-color .3s ease,box-shadow .3s ease;
}
.form-control::placeholder{color:rgba(138,150,200,0.7)}
.form-control:focus{border-color:var(--accent-cyan);box-shadow:0 0 14px rgba(0,229,255,.15)}
.form-control.error{border-color:var(--error);box-shadow:0 0 10px rgba(248,113,113,.15)}
.form-control.success{border-color:var(--success)}
select.form-control{appearance:none;-webkit-appearance:none;cursor:pointer}
textarea.form-control{resize:vertical;min-height:100px}
.form-status{font-size:13px;margin-top:8px;min-height:20px;transition:color .3s ease}
.form-status.success{color:var(--success)}
.form-status.error{color:var(--error)}
.form-privacy{font-size:12px;color:var(--text-sub);text-align:center;margin-top:14px}

/* ==================== Updates (CMS) ==================== */
.updates-section{background:var(--bg-deep)}
.updates-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.update-card{
  background:var(--bg-card);border:1px solid var(--border-glass);
  border-radius:var(--radius-card);overflow:hidden;
  transition:all .3s ease;display:flex;flex-direction:column;
}
.update-card:hover{transform:translateY(-6px);border-color:rgba(0,229,255,.3);box-shadow:var(--shadow-card-hover)}
.update-thumb{position:relative;overflow:hidden;aspect-ratio:16/9}
.update-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.update-card:hover .update-thumb img{transform:scale(1.05)}
.update-thumb .badge{position:absolute;top:12px;left:12px;background:rgba(7,13,31,.7);backdrop-filter:blur(8px)}
.update-body{padding:20px;display:flex;flex-direction:column;flex:1}
.update-title{font-size:16px;font-weight:700;line-height:1.5;margin-bottom:10px;color:var(--text-main);transition:color .3s ease}
.update-card:hover .update-title{color:var(--accent-cyan)}
.update-excerpt{font-size:14px;color:var(--text-sub);line-height:1.65;flex:1;margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.update-meta{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--border-glass);padding-top:14px}
.update-date{font-size:13px;color:var(--text-sub);display:flex;align-items:center;gap:6px}
.read-more{font-size:13px;color:var(--accent-cyan);font-weight:500;display:inline-flex;align-items:center;gap:6px}
.read-more i{transition:transform .3s ease}
.read-more:hover i{transform:translateX(4px)}
.empty-state{
  grid-column:1/-1;text-align:center;padding:60px 24px;
  background:var(--bg-card);border:1px dashed var(--border-glass);
  border-radius:var(--radius-card);
}
.empty-state p{color:var(--text-sub);font-size:15px;margin-bottom:8px}
.empty-state span{color:var(--accent-tea);font-size:13px}

/* ==================== Footer ==================== */
.site-footer{
  background:#050A18;border-top:1px solid rgba(255,255,255,0.06);
  padding:80px 0 0;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1.2fr;gap:48px;padding-bottom:48px}
.footer-brand .brand-main{font-size:18px;margin-bottom:12px}
.footer-brand .brand-desc{font-size:14px;color:var(--text-sub);line-height:1.7;max-width:280px}
.footer-col h3{font-size:15px;font-weight:700;margin-bottom:20px;color:var(--text-main)}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14px;color:var(--text-sub);transition:all .3s ease;display:inline-block}
.footer-col ul a:hover{color:var(--text-main);transform:translateX(4px)}
.footer-contact li{font-size:14px;color:var(--text-sub);display:flex;align-items:center;gap:10px;margin-bottom:12px}
.footer-contact i{color:var(--accent-cyan);font-size:14px;width:16px;text-align:center}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.06);padding:24px 0;
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;
  font-size:13px;color:var(--text-sub);
}
.footer-bottom a{color:var(--text-sub)}
.footer-bottom a:hover{color:var(--accent-cyan)}

/* ==================== Responsive ==================== */
@media(max-width:1024px){
  .hero-content{grid-template-columns:1fr 360px;gap:40px}
  .pain-grid{grid-template-columns:1fr;gap:40px}
  .solution-row{grid-template-columns:1fr;gap:40px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .testimonials-grid{grid-template-columns:repeat(2,1fr)}
  .process-steps{grid-template-columns:repeat(2,1fr);gap:32px}
  .process-steps::before{display:none}
  .cta-wrapper{grid-template-columns:1fr;gap:48px}
  .updates-grid{grid-template-columns:repeat(2,1fr)}
  .combo-grid{grid-template-columns:1fr}
}
@media(max-width:768px){
  .header-inner{height:64px}
  .menu-toggle{display:block}
  .main-nav{
    position:fixed;top:64px;left:0;width:100%;background:rgba(7,13,31,0.97);
    backdrop-filter:blur(20px);flex-direction:column;gap:0;
    padding:24px;transform:translateY(-20px);opacity:0;pointer-events:none;
    transition:all .35s ease;border-bottom:1px solid var(--border-glass);
    align-items:flex-start;
  }
  .main-nav.open{transform:translateY(0);opacity:1;pointer-events:all}
  .nav-links{flex-direction:column;width:100%}
  .nav-links a{font-size:17px;padding:12px 0;display:block;border-bottom:1px solid rgba(255,255,255,0.05)}
  .main-nav .event-chip{margin-top:16px;align-self:flex-start}
  .hero{min-height:80vh;padding:100px 0 60px}
  .hero-content{grid-template-columns:1fr}
  .score-card{margin-top:32px}
  .hero-ctas{flex-direction:column}
  .hero-ctas .btn{width:100%}
  .combo-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .testimonials-grid{grid-template-columns:1fr}
  .process-steps{grid-template-columns:1fr}
  .updates-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:40px}
  .footer-bottom{flex-direction:column;text-align:center}
}
@media(max-width:480px){
  .brand-main{font-size:14px}
  .brand-sub{font-size:10px}
  .hero-title{font-size:32px}
  .hero-subtitle{font-size:16px}
  .score-card{padding:24px}
  .stats-grid{grid-template-columns:1fr 1fr}
  .stat-number{font-size:32px}
  .solution-image img{height:260px}
  .cta-form{padding:24px}
  .section{padding:64px 0}
  .btn{padding:12px 24px;font-size:15px}
}

/* roulang page: article */
:root{
  --bg-deep:#070D1F;
  --bg-card:rgba(255,255,255,.06);
  --bg-card-hover:rgba(255,255,255,.1);
  --primary:#1B2A5E;
  --accent-cyan:#00E5FF;
  --accent-purple:#7B61FF;
  --accent-tea:#D4A574;
  --text-main:#E8EDFF;
  --text-sub:#8A96C8;
  --border-glass:rgba(255,255,255,.1);
  --border-glass-hover:rgba(255,255,255,.2);
  --success:#34D399;
  --error:#F87171;
  --warning:#FBBF24;
  --radius-card:16px;
  --radius-btn:10px;
  --shadow-card:0 8px 32px rgba(0,0,0,.35);
  --shadow-card-hover:0 12px 40px rgba(0,0,0,.5);
  --font-main:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg-deep);
  color:var(--text-main);
  font-family:var(--font-main);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .25s ease,border-color .25s ease,background .25s ease,transform .25s ease,box-shadow .25s ease,opacity .25s ease}
ul,ol{list-style:none}
button,input,select,textarea{font:inherit;color:inherit;background:none;border:none;outline:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
::selection{background:rgba(0,229,255,.25);color:#fff}
:focus-visible{outline:2px solid var(--accent-cyan);outline-offset:2px;border-radius:4px}

/* Header */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(7,13,31,.86);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--border-glass);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:74px;gap:24px}
.brand-logo{font-size:18px;font-weight:800;line-height:1.35;display:flex;flex-direction:column;letter-spacing:.5px;color:var(--text-main)}
.brand-logo small{font-size:12px;font-weight:500;color:var(--text-sub);letter-spacing:1px;margin-top:2px}
.main-nav{display:flex;align-items:center;gap:36px}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{
  position:relative;font-size:15px;font-weight:500;color:var(--text-sub);
  padding:6px 2px;letter-spacing:.3px;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:2px;
  background:var(--accent-cyan);border-radius:2px;transition:width .3s ease;
}
.nav-links a:hover,.nav-links a.active{color:var(--text-main)}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.event-chip{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.06);
  border:1px solid var(--border-glass);
  border-radius:999px;
  padding:7px 16px;
  font-size:13px;font-weight:600;color:var(--text-main);
  white-space:nowrap;
  cursor:pointer;
  transition:border-color .3s,box-shadow .3s,background .3s;
}
.chip-dot{width:6px;height:6px;border-radius:50%;background:#8A96C8;flex:none}
.event-chip.live .chip-dot{background:var(--accent-cyan);box-shadow:0 0 10px rgba(0,229,255,.8)}
.event-chip.live{border-color:rgba(0,229,255,.35)}
.event-chip.replay .chip-dot{background:var(--accent-purple);box-shadow:0 0 10px rgba(123,97,255,.7)}
.event-chip.replay{border-color:rgba(123,97,255,.35)}
.event-chip:hover{border-color:rgba(255,255,255,.25);background:rgba(255,255,255,.1)}
.nav-toggle{
  display:none;width:42px;height:42px;align-items:center;justify-content:center;
  border-radius:10px;border:1px solid var(--border-glass);
  font-size:20px;color:var(--text-main);cursor:pointer;
  background:rgba(255,255,255,.04);
}
.nav-toggle:hover{border-color:var(--accent-cyan);box-shadow:0 0 16px rgba(0,229,255,.18)}

/* Page banner */
.page-banner{
  position:relative;margin-top:74px;
  padding:54px 0 40px;
  background:linear-gradient(rgba(7,13,31,.88),rgba(7,13,31,.7)),url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
  border-bottom:1px solid var(--border-glass);
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-sub)}
.breadcrumb a{color:var(--text-sub);transition:color .25s}
.breadcrumb a:hover{color:var(--accent-cyan)}
.breadcrumb .sep{color:rgba(138,150,200,.6)}
.breadcrumb .cur{color:var(--text-main);max-width:480px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* Article main */
.article-main{padding:56px 0 32px;min-height:60vh}
.article-post{max-width:920px;margin:0 auto}
.article-header{margin-bottom:32px;text-align:center}
.cat-tag{
  display:inline-block;padding:6px 16px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.5px;
  background:rgba(0,229,255,.12);border:1px solid rgba(0,229,255,.25);
  color:var(--accent-cyan);margin-bottom:18px;
}
.cat-tag.tea{background:rgba(212,165,116,.14);border-color:rgba(212,165,116,.3);color:var(--accent-tea)}
.article-header h1{
  font-size:clamp(30px,4vw,42px);
  font-weight:800;line-height:1.25;color:var(--text-main);
  letter-spacing:.5px;margin-bottom:18px;
}
.article-meta{
  display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:14px 26px;
  font-size:14px;color:var(--text-sub);
}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:6px}
.article-meta i{color:var(--accent-cyan);font-size:13px}

.article-cover{
  position:relative;border-radius:var(--radius-card);overflow:hidden;
  border:1px solid var(--border-glass);box-shadow:var(--shadow-card);
  margin-bottom:36px;
}
.article-cover img{width:100%;height:auto;max-height:520px;object-fit:cover}
.article-cover figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:40px 18px 14px;
  font-size:13px;color:var(--text-main);
  background:linear-gradient(transparent,rgba(7,13,31,.88));
}

/* CMS content */
.cms-content{
  max-width:760px;margin:0 auto;
  font-size:16px;line-height:1.9;color:var(--text-main);
}
.cms-content p{margin-bottom:24px}
.cms-content h2{
  font-size:24px;font-weight:700;line-height:1.4;margin:48px 0 18px;padding-top:8px;
}
.cms-content h3{
  font-size:20px;font-weight:700;line-height:1.45;margin:36px 0 14px;
}
.cms-content ul,.cms-content ol{
  margin:0 0 24px;padding-left:6px;
}
.cms-content ul li,.cms-content ol li{
  position:relative;padding-left:26px;margin-bottom:12px;line-height:1.8;
}
.cms-content ul li::before{
  content:"";position:absolute;left:2px;top:12px;width:7px;height:7px;
  border-radius:50%;background:var(--accent-cyan);box-shadow:0 0 8px rgba(0,229,255,.5);
}
.cms-content ol{counter-reset:item}
.cms-content ol li{counter-increment:item}
.cms-content ol li::before{content:counter(item);position:absolute;left:0;top:0;font-size:13px;font-weight:700;color:var(--accent-cyan)}
.cms-content img{border-radius:14px;border:1px solid var(--border-glass);margin:30px 0 14px;width:100%;height:auto;object-fit:cover}
.cms-content blockquote{
  border-left:4px solid var(--accent-cyan);background:rgba(0,229,255,.07);
  padding:18px 22px;margin:28px 0;border-radius:0 12px 12px 0;color:var(--text-sub);
}
.cms-content blockquote p{margin:0}
.cms-content a{color:var(--accent-cyan);border-bottom:1px solid rgba(0,229,255,.3)}
.cms-content a:hover{color:#fff;border-color:var(--accent-cyan)}
.cms-content table{width:100%;border-collapse:collapse;margin:28px 0;font-size:15px}
.cms-content th,.cms-content td{padding:12px 14px;border:1px solid var(--border-glass);text-align:left}
.cms-content th{background:rgba(255,255,255,.06);font-weight:700;color:var(--text-main)}
.cms-content td{color:var(--text-sub)}
.cms-content figure{margin:30px 0}
.cms-content figcaption{font-size:13px;color:var(--text-sub);text-align:center;margin-top:8px}

/* Article nav */
.article-nav{
  display:grid;grid-template-columns:1fr 1fr;gap:24px;
  max-width:760px;margin:56px auto 0;padding-top:32px;
  border-top:1px solid var(--border-glass);
}
.article-nav-item{
  background:rgba(255,255,255,.04);border:1px solid var(--border-glass);
  border-radius:14px;padding:18px 20px;transition:all .3s ease;
}
.article-nav-item:hover{
  background:rgba(255,255,255,.08);border-color:rgba(0,229,255,.35);
  transform:translateY(-3px);box-shadow:0 10px 28px rgba(0,0,0,.35);
}
.article-nav-item .nav-label{display:block;font-size:12px;color:var(--text-sub);margin-bottom:8px;letter-spacing:.5px}
.article-nav-item .nav-title{font-size:15px;font-weight:600;color:var(--text-main);line-height:1.5}
.article-nav-item.next{text-align:right}
.article-nav-item.next .nav-label{text-align:right}

/* Related */
.related-section{padding:72px 0 100px;margin-top:24px;border-top:1px solid var(--border-glass);background:rgba(27,42,94,.12)}
.section-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:36px}
.section-head h2{font-size:clamp(24px,3vw,32px);font-weight:700;color:var(--text-main);padding-left:16px;border-left:4px solid var(--accent-cyan);line-height:1.3}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{
  display:flex;flex-direction:column;background:var(--bg-card);
  border:1px solid var(--border-glass);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-card);transition:all .35s ease;
}
.related-card:hover{
  background:var(--bg-card-hover);border-color:var(--border-glass-hover);
  transform:translateY(-4px);box-shadow:var(--shadow-card-hover);
}
.rc-thumb{overflow:hidden;aspect-ratio:16/9;background:var(--primary)}
.rc-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.related-card:hover .rc-thumb img{transform:scale(1.03)}
.rc-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.rc-body .cat-tag{margin:0;align-self:flex-start}
.rc-body h3{font-size:18px;font-weight:700;line-height:1.45;color:var(--text-main)}
.rc-body p{font-size:14px;color:var(--text-sub);line-height:1.7;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.rc-meta{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-sub);margin-top:auto;border-top:1px solid var(--border-glass);padding-top:14px}
.rc-meta a{color:var(--accent-cyan);font-weight:500}
.rc-meta a:hover{color:#fff}

/* Missing */
.missing-content{
  max-width:680px;margin:70px auto;text-align:center;
  background:var(--bg-card);border:1px solid var(--border-glass);border-radius:var(--radius-card);
  padding:64px 32px;box-shadow:var(--shadow-card);
}
.missing-content p{font-size:20px;font-weight:600;color:var(--text-main);margin-bottom:24px}
.missing-content a{
  display:inline-block;padding:12px 36px;border-radius:var(--radius-btn);
  background:linear-gradient(135deg,#00E5FF,#28F0B8);color:#07101E;
  font-weight:700;font-size:15px;box-shadow:0 0 20px rgba(0,229,255,.4);
  transition:all .3s ease;
}
.missing-content a:hover{transform:translateY(-2px);box-shadow:0 0 32px rgba(0,229,255,.6)}

/* Footer */
.site-footer{
  background:#050A18;border-top:1px solid var(--border-glass);
  padding:60px 0 0;margin-top:auto;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1.2fr;gap:48px;
  padding-bottom:40px;
}
.brand-main{font-size:18px;font-weight:800;line-height:1.4;color:var(--text-main);margin-bottom:14px;letter-spacing:.3px}
.brand-desc{font-size:14px;color:var(--text-sub);line-height:1.8;max-width:380px}
.footer-col h3{font-size:15px;font-weight:700;color:var(--text-main);margin-bottom:18px;letter-spacing:1px}
.footer-col ul li{margin-bottom:12px}
.footer-col ul li a{font-size:14px;color:var(--text-sub);transition:color .3s,transform .3s;display:inline-block}
.footer-col ul li a:hover{color:#fff;transform:translateX(4px)}
.footer-contact li{font-size:14px;color:var(--text-sub);display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-contact i{color:var(--accent-cyan);width:18px;text-align:center;font-size:13px}
.footer-bottom{
  border-top:1px solid var(--border-glass);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;
  font-size:13px;color:var(--text-sub);
}
.footer-bottom a{color:var(--text-sub)}
.footer-bottom a:hover{color:var(--accent-cyan)}

/* Responsive */
@media (max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  .site-header .main-nav{
    position:fixed;top:0;right:-320px;width:300px;height:100vh;
    background:rgba(7,13,31,.98);
    border-left:1px solid var(--border-glass);
    flex-direction:column;align-items:flex-start;justify-content:flex-start;
    padding:96px 28px 32px;gap:26px;
    transition:right .4s cubic-bezier(.4,0,.2,1);
    box-shadow:-10px 0 40px rgba(0,0,0,.4);
  }
  .site-header .main-nav.open{right:0}
  .main-nav .nav-links{flex-direction:column;align-items:flex-start;width:100%;gap:6px}
  .main-nav .nav-links a{width:100%;font-size:16px;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.06)}
  .main-nav .nav-links a::after{display:none}
  .main-nav .nav-links a:hover,.main-nav .nav-links a.active{color:var(--accent-cyan)}
  .event-chip{width:100%;justify-content:center;margin-bottom:4px}
  .nav-toggle{display:flex}
  .page-banner{padding:44px 0 30px}
  .article-nav{grid-template-columns:1fr;gap:16px}
  .article-nav-item.next{text-align:left}
  .article-nav-item.next .nav-label{text-align:left}
  .related-grid{grid-template-columns:1fr}
  .section-head{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;text-align:center}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .brand-logo{font-size:15px}
  .brand-logo small{font-size:11px}
  .article-header h1{font-size:28px}
  .article-meta{gap:8px 16px;font-size:13px}
  .cms-content{font-size:15px}
  .cms-content h2{font-size:21px}
  .cms-content ul li{padding-left:22px}
  .related-section{padding:56px 0 72px}
  .missing-content{padding:48px 24px}
}