/* roulang page: index */
:root{
    --bg:#F6F3EC;
    --surface:#FFFFFF;
    --text:#161819;
    --text-muted:#5B5E60;
    --accent:#FF4D1F;
    --accent-hover:#e63e14;
    --secondary:#00B8A9;
    --gold:#F2B84B;
    --deep:#202326;
    --border:rgba(0,0,0,.08);
    --radius:16px;
    --shadow:0 16px 40px -24px rgba(0,0,0,.2);
    --shadow-hover:0 18px 48px -24px rgba(0,0,0,.28);
    --transition:all .25s ease;
    --container:1200px;
    --section-pad:clamp(48px,8vw,96px);
    --font-title:'Alibaba PuHuiTi','HarmonyOS Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
    --font-body:system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth; -webkit-text-size-adjust:100%}
body{font-family:var(--font-body);background:var(--bg);color:var(--text);line-height:1.75;font-size:16px;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:var(--transition)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--secondary);outline-offset:2px}
ul{list-style:none}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:var(--section-pad) 0}
.section-alt{background:var(--bg)}
.section-deep{background:var(--deep);color:#fff}
.section-surface{background:var(--surface)}
.section-label{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin-bottom:12px}
.section-label::before{content:'';width:18px;height:2px;background:var(--accent)}
.section-title{font-family:var(--font-title);font-weight:900;line-height:1.2;letter-spacing:-0.01em;font-size:clamp(1.6rem,3vw,2.4rem);margin-bottom:16px}
.section-desc{font-size:16px;color:var(--text-muted);max-width:720px;line-height:1.8}
.section-deep .section-desc{color:rgba(255,255,255,.7)}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;border-radius:999px;padding:14px 28px;font-size:15px;cursor:pointer;border:2px solid transparent;transition:var(--transition);text-align:center;white-space:nowrap}
.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-primary:hover{background:var(--accent-hover);border-color:var(--accent-hover);transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-primary:active{transform:scale(.98)}
.btn-secondary{background:transparent;color:var(--text);border-color:rgba(22,24,25,.35)}
.btn-secondary:hover{background:var(--deep);color:#fff;border-color:var(--deep)}
.section-deep .btn-secondary{color:#fff;border-color:rgba(255,255,255,.5)}
.section-deep .btn-secondary:hover{background:#fff;color:var(--deep);border-color:#fff}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-lg{padding:16px 34px;font-size:16px}

/* Header & Nav */
.topbar{background:var(--deep);color:#fff;font-size:13px;padding:8px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;position:relative;z-index:100}
.topbar .topbar-left{display:flex;align-items:center;gap:10px}
.topbar .status-dot{width:8px;height:8px;border-radius:50%;background:#4ade80;box-shadow:0 0 0 3px rgba(74,222,128,.2)}
.topbar .countdown-badge{background:var(--accent);color:#fff;border-radius:20px;padding:2px 12px;font-weight:700}
.topbar-close{background:none;border:none;color:#fff;font-size:18px;cursor:pointer;line-height:1}
header{position:sticky;top:0;background:rgba(246,243,236,.96);backdrop-filter:blur(10px);z-index:99;border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--font-title);font-weight:900;font-size:1.5rem;color:var(--text)}
.logo-mark{width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,var(--accent),var(--gold));display:flex;align-items:center;justify-content:center;color:#fff;font-size:20px;font-weight:900}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{font-weight:600;font-size:15px;position:relative;padding:8px 0;color:var(--text)}
.nav-links a:hover{color:var(--accent)}
.nav-links a.active{color:var(--accent)}
.nav-links a.active::after{content:'';position:absolute;left:0;right:0;bottom:-2px;height:3px;background:var(--secondary);border-radius:3px}
.nav-right{display:flex;align-items:center;gap:12px}
.nav-cta{background:var(--accent);color:#fff;border:none;border-radius:999px;padding:10px 24px;font-weight:700;cursor:pointer;transition:var(--transition)}
.nav-cta:hover{background:var(--accent-hover)}
.hamburger{display:none;background:none;border:none;cursor:pointer;width:44px;height:44px;position:relative}
.hamburger span{display:block;width:24px;height:2px;background:var(--text);margin:5px auto;transition:var(--transition)}
.mobile-menu{display:none;background:var(--surface);border-top:1px solid var(--border);padding:16px 24px}
.mobile-menu a{display:block;padding:12px 0;font-weight:600;border-bottom:1px solid var(--border)}
.mobile-menu .btn{margin-top:12px;width:100%}
#nav-toggle{display:none}
#nav-toggle:checked ~ .mobile-menu{display:block}
#nav-toggle:checked ~ .hamburger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
#nav-toggle:checked ~ .hamburger span:nth-child(2){opacity:0}
#nav-toggle:checked ~ .hamburger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Hero */
.hero{position:relative;overflow:hidden;background:var(--bg);padding:0}
.hero::before{content:'';position:absolute;top:0;right:0;width:55%;height:100%;background:var(--accent);clip-path:polygon(25% 0,100% 0,100% 100%,0 100%);opacity:.06;pointer-events:none}
.hero::after{content:'';position:absolute;top:0;right:0;width:100%;height:100%;background-image:linear-gradient(rgba(22,24,25,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(22,24,25,.03) 1px,transparent 1px);background-size:40px 40px;pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;padding:clamp(48px,8vw,96px) 0}
.hero-content{position:relative;z-index:1}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--border);border-radius:999px;padding:6px 16px;font-size:13px;font-weight:700;color:var(--accent);margin-bottom:20px}
.hero-badge .pulse{width:8px;height:8px;border-radius:50%;background:var(--secondary);animation:pulse 1.5s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.3)}}
.hero h1{font-family:var(--font-title);font-weight:900;font-size:clamp(2rem,5vw,4.2rem);line-height:1.1;letter-spacing:-0.02em;margin-bottom:20px;color:var(--text)}
.hero h1 span{color:var(--accent)}
.hero-sub{font-size:16px;color:var(--text-muted);line-height:1.8;margin-bottom:28px;max-width:560px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-image{position:relative;z-index:1;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.hero-image img{width:100%;height:auto;object-fit:cover;aspect-ratio:4/3}
.hero-image .overlay-tag{position:absolute;bottom:16px;left:16px;background:rgba(0,0,0,.7);color:#fff;padding:6px 14px;border-radius:20px;font-size:13px;font-weight:600;backdrop-filter:blur(4px)}
.hero-image .countdown-mini{position:absolute;top:16px;right:16px;background:var(--gold);color:var(--deep);padding:6px 14px;border-radius:20px;font-weight:800;font-size:13px}

/* General Section */
.section-head{display:flex;flex-direction:column;gap:4px;margin-bottom:32px}
.section-head .section-label{margin-bottom:8px}
.section-head .section-title{margin-bottom:8px}
.section-head .section-desc{font-size:15px}

/* Pain Cards */
.pain-wrap{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.pain-list{display:flex;flex-direction:column;gap:14px}
.pain-item{display:flex;gap:12px;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:16px 18px;transition:var(--transition)}
.pain-item:hover{border-color:var(--secondary);transform:translateX(4px)}
.pain-item .num{font-family:var(--font-title);font-weight:900;color:var(--accent);font-size:18px;min-width:32px}
.pain-item p{font-size:15px;color:var(--text-muted)}
.pain-image{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.pain-image img{width:100%;height:auto;object-fit:cover;aspect-ratio:4/3}

/* Solution scroll */
.solution-track{display:flex;gap:18px;overflow-x:auto;padding:24px 0 16px;scroll-snap-type:x mandatory}
.solution-card{flex:0 0 280px;scroll-snap-align:start;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;transition:var(--transition);position:relative}
.solution-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--secondary)}
.solution-card .card-num{font-family:var(--font-title);font-weight:900;font-size:2.4rem;color:var(--accent);line-height:1;margin-bottom:12px}
.solution-card h3{font-size:18px;font-weight:800;margin-bottom:8px}
.solution-card p{font-size:14px;color:var(--text-muted);margin-bottom:16px}
.solution-card .status-tag{display:inline-flex;align-items:center;gap:6px;background:rgba(0,184,169,.1);color:var(--secondary);padding:4px 10px;border-radius:20px;font-size:12px;font-weight:700}
.solution-card .arrow{position:absolute;top:20px;right:20px;color:var(--accent);font-size:20px}

/* Steps */
.steps-track{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;margin-top:32px}
.steps-track::before{content:'';position:absolute;top:40px;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--accent),var(--secondary),var(--gold));z-index:0}
.step-item{position:relative;z-index:1;text-align:center}
.step-num{width:80px;height:80px;margin:0 auto 16px;background:var(--surface);border:2px solid var(--accent);border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:var(--font-title);font-weight:900;font-size:2rem;color:var(--accent);box-shadow:var(--shadow)}
.step-item h3{font-size:18px;font-weight:800;margin-bottom:8px}
.step-item p{font-size:14px;color:var(--text-muted)}

/* Data board */
.data-board{background:var(--deep);color:#fff;border-radius:var(--radius);padding:32px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.data-num{font-family:var(--font-title);font-weight:900;font-size:2.6rem;line-height:1;color:var(--gold)}
.data-label{font-size:14px;color:rgba(255,255,255,.7);margin-top:6px}

/* Testimonials */
.testimonial-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.testimonial-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;position:relative;transition:var(--transition)}
.testimonial-card:nth-child(2){transform:translateY(12px)}
.testimonial-card:nth-child(3){transform:translateY(-8px)}
.testimonial-card:hover{transform:translateY(0);box-shadow:var(--shadow-hover)}
.testimonial-head{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.testimonial-avatar{width:48px;height:48px;border-radius:50%;background:var(--deep);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700}
.testimonial-meta{font-size:13px;color:var(--text-muted)}
.testimonial-quote{font-size:15px;line-height:1.7;color:var(--text)}
.testimonial-source{font-size:12px;color:var(--accent);font-weight:600;margin-top:8px}

/* Scenarios */
.scenario-list{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.scenario-item{display:flex;align-items:flex-start;gap:14px;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:18px 20px;transition:var(--transition)}
.scenario-item:hover{border-color:var(--secondary)}
.scenario-icon{width:44px;height:44px;border-radius:10px;background:rgba(255,77,31,.1);display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}
.scenario-item h3{font-size:16px;font-weight:800;margin-bottom:4px}
.scenario-item p{font-size:14px;color:var(--text-muted)}

/* Feature channels */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.channel-card{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);transition:var(--transition)}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.channel-card img{width:100%;height:200px;object-fit:cover}
.channel-card:nth-child(1){grid-column:span 2}
.channel-card:nth-child(2){grid-column:span 1}
.channel-card:nth-child(3){grid-column:span 3}
.channel-card .channel-body{position:absolute;bottom:0;left:0;right:0;background:linear-gradient(transparent,rgba(0,0,0,.8));padding:20px;color:#fff}
.channel-card .tag{background:var(--accent);color:#fff;padding:2px 10px;border-radius:20px;font-size:12px;font-weight:700;display:inline-block;margin-bottom:8px}
.channel-card h3{font-size:18px;font-weight:800}
.channel-card .arrow{position:absolute;top:16px;right:16px;background:rgba(255,255,255,.2);width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;backdrop-filter:blur(4px)}

/* News list */
.news-list{display:flex;flex-direction:column;gap:14px}
.news-item{display:flex;gap:16px;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:14px;transition:var(--transition)}
.news-item:hover{border-color:var(--secondary)}
.news-thumb{width:120px;height:80px;border-radius:8px;object-fit:cover;flex-shrink:0}
.news-content{flex:1}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--text-muted);margin-bottom:4px}
.news-tag{background:rgba(0,184,169,.1);color:var(--secondary);padding:2px 8px;border-radius:20px;font-weight:700}
.news-item h3{font-size:16px;font-weight:800;margin-bottom:4px}
.news-item p{font-size:14px;color:var(--text-muted)}

/* Data deep */
.data-deep{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center}
.data-deep .chart-wrap{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;display:flex;align-items:center;justify-content:space-around}
.chart-bar{display:flex;align-items:center;gap:8px}
.chart-bar .bar-label{font-size:12px;color:var(--text-muted);width:72px}
.chart-bar .bar-track{width:160px;height:10px;background:rgba(0,0,0,.08);border-radius:10px;overflow:hidden}
.chart-bar .bar-fill{height:100%;background:var(--accent);border-radius:10px}
.data-deep .data-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.data-mini{background:var(--deep);color:#fff;border-radius:12px;padding:16px;text-align:center}
.data-mini .val{font-family:var(--font-title);font-weight:900;font-size:1.8rem;color:var(--gold)}
.data-mini .lbl{font-size:12px;color:rgba(255,255,255,.7)}

/* FAQ */
.faq-list{border-top:1px solid var(--border)}
.faq-item{border-bottom:1px solid var(--border)}
.faq-q{width:100%;background:none;border:none;padding:18px 0;text-align:left;font-family:var(--font-title);font-weight:800;font-size:16px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;color:var(--text)}
.faq-q .faq-icon{width:28px;height:28px;border-radius:50%;background:var(--surface);display:flex;align-items:center;justify-content:center;font-size:18px;transition:var(--transition)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.active .faq-answer{max-height:300px}
.faq-item.active .faq-icon{transform:rotate(45deg)}
.faq-answer-inner{padding:0 0 20px;border-left:3px solid var(--secondary);padding-left:16px;color:var(--text-muted)}

/* Resource center */
.resource-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.resource-card{display:flex;align-items:center;gap:16px;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:18px 20px;transition:var(--transition)}
.resource-card:hover{border-color:var(--secondary);transform:translateY(-2px)}
.resource-icon{width:48px;height:48px;border-radius:10px;background:rgba(242,184,75,.2);display:flex;align-items:center;justify-content:center;font-size:24px;flex-shrink:0}
.resource-card h3{font-size:15px;font-weight:800}
.resource-card p{font-size:13px;color:var(--text-muted)}

/* Activity calendar */
.calendar-track{display:flex;gap:16px;overflow-x:auto;padding:20px 0 10px}
.calendar-item{flex:0 0 180px;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:16px;text-align:center}
.calendar-item .date{font-family:var(--font-title);font-weight:900;font-size:1.8rem;color:var(--accent);line-height:1}
.calendar-item .month{font-size:13px;color:var(--text-muted);margin-bottom:8px}
.calendar-item .status{display:inline-block;margin-top:8px;background:rgba(0,184,169,.1);color:var(--secondary);padding:2px 10px;border-radius:20px;font-size:12px;font-weight:700}

/* CTA */
.cta-section{background:var(--deep);color:#fff;border-radius:var(--radius);overflow:hidden;position:relative}
.cta-section::after{content:'';position:absolute;top:-60px;right:-60px;width:200px;height:200px;border-radius:50%;background:rgba(255,77,31,.2);filter:blur(60px)}
.cta-inner{position:relative;z-index:1;padding:clamp(40px,6vw,64px);display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center}
.cta-text h2{font-family:var(--font-title);font-weight:900;font-size:clamp(1.8rem,3.5vw,2.6rem);margin-bottom:12px}
.cta-text p{color:rgba(255,255,255,.75);font-size:15px;margin-bottom:20px}
.cta-form{background:var(--surface);border-radius:var(--radius);padding:24px}
.cta-form label{font-size:13px;font-weight:700;display:block;margin-bottom:6px;color:var(--text)}
.cta-form input,.cta-form textarea{width:100%;padding:12px 16px;border:2px solid var(--border);border-radius:10px;font-size:14px;transition:var(--transition);background:#fff;color:var(--text)}
.cta-form input:focus,.cta-form textarea:focus{border-color:var(--secondary);outline:none}
.cta-form .form-row{margin-bottom:14px}
.cta-form .btn{width:100%;margin-top:8px}
.cta-note{font-size:12px;color:var(--text-muted);margin-top:10px;text-align:center}

/* Footer */
footer{background:var(--deep);color:#fff;padding:40px 0 20px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;margin-bottom:32px}
.footer-brand .logo{color:#fff;margin-bottom:12px}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.6);max-width:300px}
.footer-col h4{font-size:15px;font-weight:800;margin-bottom:16px;color:var(--gold)}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.7);margin-bottom:10px}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;display:flex;justify-content:space-between;align-items:center;font-size:13px;color:rgba(255,255,255,.5);flex-wrap:wrap;gap:10px}
.footer-bottom a{color:rgba(255,255,255,.7)}

/* Responsive */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-image{max-width:600px;margin:0 auto}
  .steps-track{grid-template-columns:repeat(2,1fr);gap:32px}
  .steps-track::before{display:none}
  .data-board{grid-template-columns:repeat(2,1fr)}
  .channel-grid{grid-template-columns:1fr 1fr}
  .channel-card:nth-child(1){grid-column:span 2}
  .channel-card:nth-child(2){grid-column:span 1}
  .channel-card:nth-child(3){grid-column:span 2}
  .data-deep{grid-template-columns:1fr}
  .cta-inner{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .nav-links{display:none}
  .nav-cta{display:none}
  .hamburger{display:block}
  .nav{height:60px}
  .pain-wrap{grid-template-columns:1fr}
  .testimonial-grid{grid-template-columns:1fr}
  .testimonial-card:nth-child(2),.testimonial-card:nth-child(3){transform:none}
  .scenario-list{grid-template-columns:1fr}
  .channel-grid{grid-template-columns:1fr}
  .channel-card:nth-child(1),.channel-card:nth-child(2),.channel-card:nth-child(3){grid-column:span 1}
  .data-board{grid-template-columns:1fr 1fr}
  .data-deep .data-cards{grid-template-columns:1fr 1fr}
  .resource-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .data-board{grid-template-columns:1fr}
  .data-deep .data-cards{grid-template-columns:1fr}
  .news-item{flex-direction:column}
  .news-thumb{width:100%;height:auto;aspect-ratio:16/9}
}

/* roulang page: category1 */
:root{
 --bg:#F6F3EC;
 --surface:#FFFFFF;
 --text:#161819;
 --text-muted:#5B5E60;
 --accent:#FF4D1F;
 --accent-hover:#e63e14;
 --secondary:#00B8A9;
 --gold:#F2B84B;
 --deep:#202326;
 --border:rgba(0,0,0,.08);
 --radius:16px;
 --shadow:0 16px 40px -24px rgba(0,0,0,.2);
 --shadow-hover:0 18px 48px -24px rgba(0,0,0,.3);
 --transition:all .25s ease;
 --container:1200px;
 --section-pad:clamp(48px,7vw,82px);
 --font-title:'Alibaba PuHuiTi','HarmonyOS Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
 --font-body:system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font-body);background:var(--bg);color:var(--text);line-height:1.75;font-size:16px;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:var(--transition)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--secondary);outline-offset:2px}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:var(--section-pad) 0}
.section-alt{background:var(--bg)}
.section-deep{background:var(--deep);color:#fff}
.section-surface{background:var(--surface)}
.section-label{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin-bottom:12px}
.section-label::before{content:'';width:18px;height:2px;background:var(--accent)}
.section-title{font-family:var(--font-title);font-weight:900;line-height:1.2;letter-spacing:-0.01em;font-size:clamp(1.5rem,2.8vw,2.2rem);margin-bottom:14px}
.section-desc{font-size:16px;color:var(--text-muted);max-width:720px;line-height:1.8}
.section-deep .section-desc{color:rgba(255,255,255,.7)}
/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;border-radius:999px;padding:14px 28px;font-size:15px;cursor:pointer;border:2px solid transparent;transition:var(--transition);text-align:center;white-space:nowrap}
.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-primary:hover{background:var(--accent-hover);border-color:var(--accent-hover);transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-primary:active{transform:scale(.98)}
.btn-secondary{background:transparent;color:var(--text);border-color:rgba(22,24,25,.35)}
.btn-secondary:hover{background:var(--deep);color:#fff;border-color:var(--deep)}
.section-deep .btn-secondary{color:#fff;border-color:rgba(255,255,255,.5)}
.section-deep .btn-secondary:hover{background:#fff;color:var(--deep);border-color:#fff}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-lg{padding:16px 34px;font-size:16px}
/* Topbar */
.topbar{background:var(--deep);color:#fff;font-size:13px;padding:8px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;position:relative;z-index:100}
.topbar-left{display:flex;align-items:center;gap:10px}
.status-dot{width:8px;height:8px;border-radius:50%;background:#4ade80;box-shadow:0 0 0 3px rgba(74,222,128,.2)}
.countdown-badge{background:var(--accent);color:#fff;border-radius:20px;padding:2px 14px;font-weight:700;font-size:12px}
.topbar-close{background:none;border:none;color:#fff;font-size:18px;cursor:pointer;line-height:1;padding:4px 8px}
/* Header */
header{position:sticky;top:0;background:rgba(246,243,236,.96);backdrop-filter:blur(10px);z-index:99;border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--font-title);font-weight:900;font-size:1.35rem;color:var(--text)}
.logo-mark{width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,var(--accent),var(--gold));display:flex;align-items:center;justify-content:center;color:#fff;font-size:20px;font-weight:900;flex-shrink:0}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{font-weight:600;font-size:15px;position:relative;padding:8px 0;color:var(--text)}
.nav-links a:hover{color:var(--accent)}
.nav-links a.active{color:var(--accent)}
.nav-links a.active::after{content:'';position:absolute;left:0;right:0;bottom:-2px;height:3px;background:var(--secondary);border-radius:3px}
.nav-right{display:flex;align-items:center;gap:12px}
.nav-cta{background:var(--accent);color:#fff;border:none;border-radius:999px;padding:10px 22px;font-weight:700;cursor:pointer;transition:var(--transition);font-size:14px}
.nav-cta:hover{background:var(--accent-hover);transform:translateY(-1px)}
.hamburger{display:none;background:none;border:none;cursor:pointer;width:44px;height:44px;position:relative;padding:0}
.hamburger span{display:block;width:24px;height:2px;background:var(--text);margin:5px auto;transition:var(--transition)}
.mobile-menu{display:none;background:var(--surface);border-top:1px solid var(--border);padding:16px 24px}
.mobile-menu a{display:block;padding:12px 0;font-weight:600;border-bottom:1px solid var(--border);font-size:15px}
.mobile-menu .btn{margin-top:12px;width:100%}
#nav-toggle{display:none}
#nav-toggle:checked ~ .mobile-menu{display:block}
#nav-toggle:checked ~ .hamburger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
#nav-toggle:checked ~ .hamburger span:nth-child(2){opacity:0}
#nav-toggle:checked ~ .hamburger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
/* Breadcrumb & H1 */
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-muted);margin-bottom:14px;flex-wrap:wrap}
.breadcrumb a{color:var(--text-muted)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{color:rgba(0,0,0,.3)}
.cat-header-card{background:var(--surface);border-radius:var(--radius);padding:32px 28px;box-shadow:var(--shadow);border:1px solid var(--border);position:relative;overflow:hidden}
.cat-header-card::before{content:'';position:absolute;top:0;right:0;width:180px;height:100%;background:linear-gradient(135deg,transparent 50%,rgba(255,77,31,.05) 50%);pointer-events:none}
.cat-h1{font-family:var(--font-title);font-weight:900;font-size:clamp(1.8rem,3.5vw,2.7rem);line-height:1.2;letter-spacing:-0.01em;margin-bottom:10px}
.cat-meta{display:flex;flex-wrap:wrap;gap:10px 18px;font-size:14px;color:var(--text-muted);align-items:center}
.cat-meta .meta-item{display:inline-flex;align-items:center;gap:6px}
.meta-dot{width:6px;height:6px;border-radius:50%;background:var(--secondary)}
/* Filter tags */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px}
.filter-tag{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border-radius:999px;border:1.5px solid var(--border);background:var(--surface);font-size:14px;font-weight:600;cursor:pointer;transition:var(--transition);user-select:none}
.filter-tag:hover{border-color:var(--accent);color:var(--accent)}
.filter-tag.active{background:var(--deep);color:#fff;border-color:var(--deep)}
.filter-tag .tag-count{font-size:12px;color:var(--text-muted);font-weight:400}
.filter-tag.active .tag-count{color:rgba(255,255,255,.7)}
/* Resource grid */
.resource-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.resource-card{background:var(--surface);border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow);transition:var(--transition);display:flex;flex-direction:column}
.resource-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--secondary)}
.resource-card .card-cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg)}
.resource-card .card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.resource-card:hover .card-cover img{transform:scale(1.04)}
.cover-badge{position:absolute;top:12px;left:12px;background:var(--accent);color:#fff;font-size:12px;font-weight:700;padding:4px 12px;border-radius:20px}
.resource-card .card-body{padding:18px 20px 20px;flex:1;display:flex;flex-direction:column}
.card-title{font-family:var(--font-title);font-weight:900;font-size:1.1rem;line-height:1.4;margin-bottom:8px}
.card-excerpt{font-size:14px;color:var(--text-muted);line-height:1.7;margin-bottom:14px;flex:1}
.card-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-muted)}
.card-tag{background:var(--bg);padding:2px 10px;border-radius:12px;font-weight:600;color:var(--text)}
.card-arrow{margin-left:auto;color:var(--accent);font-weight:700;font-size:14px;transition:var(--transition)}
.resource-card:hover .card-arrow{transform:translateX(3px)}
/* Data overview */
.data-overview{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.data-mini-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:24px 20px;text-align:center}
.data-mini-value{font-family:var(--font-title);font-weight:900;font-size:2.2rem;color:var(--gold);line-height:1.2;margin-bottom:6px}
.data-mini-label{font-size:14px;color:rgba(255,255,255,.75);font-weight:600}
.data-mini-trend{font-size:12px;color:var(--secondary);margin-top:6px;font-weight:600}
/* Topic entry big cards */
.topic-entry-grid{display:grid;grid-template-columns:1fr;gap:18px}
.topic-entry-card{display:grid;grid-template-columns:auto 1fr auto;gap:20px;align-items:center;background:var(--surface);border-radius:var(--radius);padding:22px 26px;border:1px solid var(--border);box-shadow:var(--shadow);transition:var(--transition)}
.topic-entry-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--gold)}
.topic-entry-icon{width:56px;height:56px;border-radius:14px;background:linear-gradient(135deg,var(--accent),var(--gold));display:flex;align-items:center;justify-content:center;font-size:24px;color:#fff;font-weight:900;flex-shrink:0}
.topic-entry-info h3{font-family:var(--font-title);font-weight:900;font-size:1.15rem;margin-bottom:4px}
.topic-entry-info p{font-size:14px;color:var(--text-muted);line-height:1.6}
.topic-entry-link{color:var(--accent);font-weight:700;font-size:14px;white-space:nowrap;transition:var(--transition)}
.topic-entry-card:hover .topic-entry-link{transform:translateX(3px)}
/* Selection points */
.selection-wrap{display:flex;flex-direction:column;gap:16px}
.selection-item{display:flex;gap:18px;align-items:flex-start;background:var(--surface);border-radius:var(--radius);padding:20px 24px;border:1px solid var(--border);transition:var(--transition)}
.selection-item:hover{border-color:var(--secondary);box-shadow:var(--shadow)}
.selection-item:nth-child(even){margin-left:48px}
.selection-icon{width:44px;height:44px;border-radius:12px;background:var(--bg);display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--accent);flex-shrink:0;border:1.5px solid var(--border)}
.selection-item h4{font-family:var(--font-title);font-weight:800;font-size:1rem;margin-bottom:4px}
.selection-item p{font-size:14px;color:var(--text-muted);line-height:1.7}
/* News list */
.news-list{display:flex;flex-direction:column;gap:10px}
.news-item{display:flex;gap:16px;align-items:center;background:var(--surface);border-radius:var(--radius);padding:14px 20px;border:1px solid var(--border);transition:var(--transition)}
.news-item:hover{border-color:var(--secondary);transform:translateX(3px)}
.news-thumb{width:64px;height:48px;border-radius:8px;overflow:hidden;flex-shrink:0;background:var(--bg)}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-info{flex:1;min-width:0}
.news-info h4{font-size:15px;font-weight:700;line-height:1.4;margin-bottom:2px}
.news-info span{font-size:13px;color:var(--text-muted)}
.news-tag{background:var(--bg);padding:2px 10px;border-radius:12px;font-size:12px;font-weight:600;color:var(--text);flex-shrink:0}
/* CTA subscribe */
.cta-card{background:var(--surface);border-radius:var(--radius);padding:clamp(28px,4vw,48px);box-shadow:var(--shadow);border:1px solid var(--border);position:relative;overflow:hidden}
.cta-card::before{content:'';position:absolute;top:-60px;right:-60px;width:200px;height:200px;background:var(--accent);border-radius:50%;opacity:.06;pointer-events:none}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;position:relative;z-index:1}
.cta-info h3{font-family:var(--font-title);font-weight:900;font-size:clamp(1.4rem,2.5vw,1.9rem);line-height:1.2;margin-bottom:10px}
.cta-info p{font-size:15px;color:var(--text-muted);line-height:1.8}
.subscribe-form{display:flex;gap:12px;flex-wrap:wrap}
.subscribe-form input{flex:1;min-width:200px;padding:14px 20px;border-radius:999px;border:2px solid var(--border);font-size:15px;font-family:var(--font-body);background:var(--bg);transition:var(--transition)}
.subscribe-form input:focus{outline:none;border-color:var(--secondary);background:var(--surface)}
.subscribe-form .btn{flex-shrink:0}
.form-tip{font-size:13px;color:var(--text-muted);margin-top:10px}
/* Footer */
footer{background:var(--deep);color:#fff;padding:50px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand .logo{color:#fff;margin-bottom:12px;font-size:1.25rem}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.65);line-height:1.7;max-width:320px}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:14px;color:#fff}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.65);padding:5px 0;transition:var(--transition)}
.footer-col a:hover{color:var(--accent);transform:translateX(3px)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 0;font-size:13px;color:rgba(255,255,255,.5);flex-wrap:wrap}
.footer-bottom a{color:rgba(255,255,255,.5)}
.footer-bottom a:hover{color:var(--accent)}
/* Responsive */
@media(max-width:1024px){
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
 .cta-grid{grid-template-columns:1fr;gap:20px}
 .selection-item:nth-child(even){margin-left:24px}
}
@media(max-width:768px){
 .nav-links{display:none}
 .nav-right .nav-cta{display:none}
 .hamburger{display:block}
 .resource-grid{grid-template-columns:1fr}
 .data-overview{grid-template-columns:1fr;gap:10px}
 .topic-entry-card{grid-template-columns:1fr;text-align:left;gap:14px}
 .topic-entry-icon{margin:0 auto}
 .selection-item:nth-child(even){margin-left:0}
 .footer-grid{grid-template-columns:1fr;gap:22px}
 .footer-bottom{flex-direction:column;text-align:center}
 .topbar-left .countdown-badge{font-size:11px;padding:2px 10px}
 .cat-header-card{padding:22px 18px}
 .section{padding:42px 0}
}
@media(max-width:520px){
 .container{padding:0 16px}
 .nav{height:60px}
 .logo{font-size:1.1rem}
 .logo-mark{width:36px;height:36px;font-size:17px}
 .btn-lg{padding:14px 24px;font-size:15px}
 .btn{padding:12px 22px;font-size:14px}
 .subscribe-form{flex-direction:column}
 .subscribe-form input{min-width:auto;width:100%}
 .subscribe-form .btn{width:100%}
 .resource-card .card-body{padding:14px 14px 16px}
 .card-excerpt{font-size:13px}
 .data-mini-value{font-size:1.7rem}
 .topic-entry-card{padding:16px 18px}
 .news-item{padding:12px 14px}
 .news-thumb{width:48px;height:40px}
 .cat-h1{font-size:1.6rem}
}