/* roulang page: index */
:root{
  --brand:#1D8A5C;
  --brand-light:#34D17B;
  --lime:#A9E94B;
  --accent:#FF7A3C;
  --accent-light:#FF9F4A;
  --bg:#F4F7F5;
  --surface:#FFFFFF;
  --dark:#0C1F17;
  --dark-card:#123627;
  --ink:#12271E;
  --muted:#5B6E63;
  --line:#E2E9E4;
  --gradient-brand:linear-gradient(135deg,#1D8A5C 0%,#34D17B 60%,#A9E94B 120%);
  --gradient-accent:linear-gradient(135deg,#FF7A3C,#FF9F4A);
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow-card:0 10px 30px rgba(18,39,30,.07);
  --shadow-card-hover:0 18px 44px rgba(18,39,30,.12);
  --shadow-accent:0 8px 20px rgba(255,122,60,.32);
  --shadow-brand:0 8px 20px rgba(29,138,92,.25);
  --space-section:clamp(64px,8vw,108px);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;font-size:16px;line-height:1.8;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;border:0}
a{text-decoration:none;color:inherit;transition:color .25s ease}
a:hover{color:var(--brand)}
ul,ol{list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;line-height:inherit;border:none;outline:none}
button{cursor:pointer;background:none}
i[class^="fa-"]{line-height:1}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:var(--space-section) 0}
.eyebrow{display:inline-block;font-size:14px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--brand);background:rgba(29,138,92,.09);padding:5px 14px;border-radius:var(--radius-pill);margin-bottom:14px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:40px;flex-wrap:wrap}
.section-head h2{font-size:clamp(28px,4vw,36px);font-weight:800;line-height:1.25;color:var(--ink)}
.section-more{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--muted);padding:10px 18px;border-radius:var(--radius-pill);border:1px solid var(--line);background:var(--surface);transition:all .25s ease}
.section-more:hover{color:var(--brand);border-color:var(--brand);transform:translateX(2px)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:16px;padding:13px 30px;border-radius:var(--radius-pill);transition:all .25s ease;white-space:nowrap}
.btn i{font-size:15px}
.btn-accent{background:var(--gradient-accent);color:#fff;box-shadow:var(--shadow-accent)}
.btn-accent:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.06)}
.btn-accent:active{transform:translateY(0)}
.btn-primary{background:var(--gradient-brand);color:#fff;box-shadow:var(--shadow-brand)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.06)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.65);backdrop-filter:blur(4px)}
.btn-ghost:hover{color:#fff;background:rgba(255,255,255,.22);border-color:#fff;transform:translateY(-2px)}
.btn-outline{background:transparent;color:var(--brand);border:1.5px solid var(--brand)}
.btn-outline:hover{background:var(--brand);color:#fff;transform:translateY(-2px)}
.btn-white{background:#fff;color:var(--ink);box-shadow:0 8px 24px rgba(0,0,0,.16)}
.btn-white:hover{color:var(--brand);transform:translateY(-2px)}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
a:focus-visible,button:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

/* ========== Header / Nav ========== */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;height:72px;display:flex;align-items:center;transition:all .35s ease;border-bottom:1px solid transparent}
.site-header.scrolled{background:rgba(255,255,255,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom-color:rgba(226,233,228,.8);box-shadow:0 6px 20px rgba(18,39,30,.06)}
.nav-wrap{display:flex;align-items:center;gap:18px;width:100%}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-icon{width:38px;height:38px;border-radius:12px;background:var(--gradient-brand);display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;box-shadow:0 6px 14px rgba(29,138,92,.35)}
.logo-text{font-size:18px;font-weight:800;letter-spacing:.5px;color:#fff;transition:color .3s ease;white-space:nowrap}
.logo-text .logo-sub{display:block;font-size:10px;font-weight:600;letter-spacing:1px;opacity:.8;line-height:1}
.site-header.scrolled .logo-text{color:var(--ink)}
.main-nav{display:flex;align-items:center;gap:8px;flex:1;overflow-x:auto;scrollbar-width:none;justify-content:center}
.main-nav::-webkit-scrollbar{display:none}
.nav-chip{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:rgba(255,255,255,.85);padding:9px 18px;border-radius:var(--radius-pill);background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.1);transition:all .25s ease;white-space:nowrap}
.nav-chip:hover{color:#fff;background:rgba(255,255,255,.2);transform:translateY(-1px)}
.nav-chip.active{background:var(--gradient-brand);color:#fff;box-shadow:0 6px 16px rgba(29,138,92,.4)}
.site-header.scrolled .nav-chip{color:rgba(18,39,30,.75);background:rgba(18,39,30,.04);border-color:transparent}
.site-header.scrolled .nav-chip:hover{color:var(--brand);background:rgba(29,138,92,.08)}
.site-header.scrolled .nav-chip.active{color:#fff;background:var(--gradient-brand)}
.header-cta{margin-left:auto;flex-shrink:0}
.nav-cta{padding:10px 22px;font-size:14px}
@media(max-width:768px){
  .nav-wrap{gap:10px}
  .logo-text{font-size:15px}
  .logo-sub{display:none!important}
  .nav-chip{padding:7px 14px;font-size:13.5px}
  .nav-cta{padding:8px 16px;font-size:13px}
  .main-nav{justify-content:flex-start;order:3;width:100%;margin-top:8px;padding-bottom:2px}
  .site-header{height:auto;padding:10px 0 8px}
  .nav-wrap{flex-wrap:wrap}
  .logo{order:1}
  .header-cta{order:2}
  .main-nav{order:3;flex-basis:100%}
}

/* ========== Hero ========== */
.hero{position:relative;min-height:80vh;display:flex;align-items:center;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;padding:140px 0 80px}
.hero::before{content:'';position:absolute;inset:0;background:linear-gradient(100deg,rgba(12,31,23,.92) 0%,rgba(12,31,23,.68) 45%,rgba(12,31,23,.25) 100%)}
.hero::after{content:'';position:absolute;bottom:0;left:0;right:0;height:120px;background:linear-gradient(to top,var(--bg),transparent);pointer-events:none}
.hero-inner{position:relative;z-index:2;max-width:760px}
.hero .eyebrow{background:rgba(169,233,75,.16);color:var(--lime)}
.hero h1{font-size:clamp(32px,5vw,58px);font-weight:800;line-height:1.2;color:#fff;margin:16px 0 18px}
.hero h1 .highlight{background:var(--gradient-brand);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}
.hero-sub{font-size:clamp(16px,2vw,20px);line-height:1.8;color:rgba(255,255,255,.88);max-width:600px;margin-bottom:34px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:48px}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;max-width:680px}
.stat-badge{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);backdrop-filter:blur(6px);border-radius:var(--radius-md);padding:16px 18px;text-align:center;transition:all .3s ease}
.stat-badge:hover{background:rgba(255,255,255,.18);transform:translateY(-4px)}
.stat-num{display:block;font-family:"DIN Alternate","Inter",Roboto,Arial,sans-serif;font-size:clamp(24px,2.6vw,32px);font-weight:800;color:#fff;line-height:1.2}
.stat-num.accent{color:var(--lime)}
.stat-label{display:block;font-size:13px;color:rgba(255,255,255,.75);margin-top:4px}
@media(max-width:768px){
  .hero{padding:110px 0 60px;min-height:auto}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:12px}
}
@media(max-width:480px){
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
}

/* ========== How To Play ========== */
.howto{background:var(--bg)}
.howto-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.howto-card{position:relative;background:var(--surface);border-radius:var(--radius-lg);padding:32px 30px;box-shadow:var(--shadow-card);border:1px solid rgba(226,233,228,.7);transition:all .3s ease;overflow:hidden}
.howto-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--gradient-brand);opacity:0;transition:opacity .3s ease}
.howto-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-card-hover)}
.howto-card:hover::before{opacity:1}
.howto-card:nth-child(even){margin-top:24px}
.howto-icon{width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:22px;color:#fff;margin-bottom:20px;background:var(--gradient-brand);transition:transform .3s ease}
.howto-card:nth-child(2) .howto-icon{background:var(--gradient-accent)}
.howto-card:nth-child(3) .howto-icon{background:linear-gradient(135deg,#34D17B,#A9E94B)}
.howto-card:nth-child(4) .howto-icon{background:linear-gradient(135deg,#FF9F4A,#FF7A3C)}
.howto-card:hover .howto-icon{transform:scale(1.08) rotate(-4deg)}
.howto-card h3{font-size:20px;font-weight:700;margin-bottom:10px;color:var(--ink)}
.howto-card p{font-size:15px;color:var(--muted);line-height:1.7}
.howto-link{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:14px;font-weight:600;color:var(--brand)}
.howto-link i{transition:transform .25s ease}
.howto-card:hover .howto-link i{transform:translateX(4px)}
@media(max-width:1024px){
  .howto-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .howto-grid{grid-template-columns:1fr}
  .howto-card:nth-child(even){margin-top:0}
}

/* ========== Rewards ========== */
.rewards{background:linear-gradient(135deg,#0C1F17 0%,#123627 60%,#0C1F17 100%);padding:var(--space-section) 0;position:relative;overflow:hidden}
.rewards::before{content:'';position:absolute;top:-120px;right:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(255,122,60,.28),transparent 70%)}
.rewards::after{content:'';position:absolute;bottom:-100px;left:-80px;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(52,209,123,.2),transparent 70%)}
.rewards .container{position:relative;z-index:2}
.rewards .section-head h2{color:#fff}
.rewards .eyebrow{background:rgba(255,122,60,.16);color:var(--accent-light)}
.reward-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.reward-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:20px;padding:28px 24px;backdrop-filter:blur(4px);transition:all .3s ease;position:relative;overflow:hidden}
.reward-card:hover{background:rgba(255,255,255,.09);transform:translateY(-6px);border-color:rgba(255,255,255,.2)}
.reward-tag{display:inline-block;font-family:"DIN Alternate","Inter",Roboto,Arial,sans-serif;font-size:18px;font-weight:800;color:#fff;background:var(--gradient-accent);padding:4px 14px;border-radius:var(--radius-pill);margin-bottom:18px;box-shadow:0 4px 14px rgba(255,122,60,.4)}
.reward-card h3{font-size:18px;font-weight:700;color:#fff;margin-bottom:8px}
.reward-card p{font-size:14px;color:rgba(255,255,255,.72);line-height:1.65}
.reward-link{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:13px;font-weight:600;color:var(--brand-light)}
.reward-link:hover{color:var(--lime)}
@media(max-width:1024px){.reward-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.reward-grid{grid-template-columns:1fr}}

/* ========== Progress ========== */
.progress{background:var(--bg)}
.progress-wrap{background:var(--surface);border-radius:var(--radius-lg);padding:clamp(32px,5vw,56px);box-shadow:var(--shadow-card);border:1px solid rgba(226,233,228,.7)}
.progress-wrap .section-head{margin-bottom:44px}
.progress-wrap .section-head.center{text-align:center;justify-content:center;flex-direction:column;align-items:center}
.steps{display:flex;justify-content:space-between;position:relative;margin-bottom:44px;gap:0}
.steps::before{content:'';position:absolute;top:19px;left:8%;right:8%;height:4px;border-radius:4px;background:var(--line);z-index:1}
.steps::after{content:'';position:absolute;top:19px;left:8%;width:56%;height:4px;border-radius:4px;background:var(--gradient-brand);z-index:1}
.step-item{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;gap:10px;flex:1;text-align:center;transition:transform .3s ease}
.step-item:hover{transform:translateY(-3px)}
.step-dot{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;background:var(--surface);border:3px solid var(--brand-light);color:var(--brand)}
.step-dot.completed{background:var(--brand);border-color:var(--brand);color:#fff}
.step-dot.current{background:var(--gradient-accent);border-color:var(--accent);color:#fff;box-shadow:0 0 0 6px rgba(255,122,60,.18);animation:pulse 2s infinite}
.step-dot.pending{border-color:var(--line);color:var(--muted)}
@keyframes pulse{0%,100%{box-shadow:0 0 0 4px rgba(255,122,60,.18)}50%{box-shadow:0 0 0 10px rgba(255,122,60,.08)}}
.step-label{font-size:14px;font-weight:600;color:var(--ink)}
.step-sub{font-size:12px;color:var(--muted)}
.progress-line-wrap{display:flex;align-items:center;justify-content:center;gap:24px;flex-wrap:wrap;margin-bottom:32px}
.progress-track{width:280px;max-width:100%;height:10px;border-radius:10px;background:var(--line);overflow:hidden}
.progress-bar{height:100%;width:75%;background:var(--gradient-brand);border-radius:10px;position:relative}
.progress-bar::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(255,255,255,.25),transparent 50%)}
.progress-badge{font-family:"DIN Alternate","Inter",Roboto,Arial,sans-serif;font-size:20px;font-weight:800;color:#fff;background:var(--gradient-accent);padding:6px 18px;border-radius:var(--radius-pill);box-shadow:var(--shadow-accent)}
.progress-cta{display:flex;flex-direction:column;align-items:center;gap:16px}
@media(max-width:768px){
  .steps{flex-direction:column;gap:20px;align-items:flex-start;padding-left:20px}
  .steps::before,.steps::after{display:none}
  .step-item{flex-direction:row;justify-content:flex-start;gap:16px;flex:1;text-align:left;position:relative}
  .step-item::before{content:'';position:absolute;left:19px;top:42px;bottom:-20px;width:3px;background:var(--line)}
  .step-item:last-child::before{display:none}
  .step-item:nth-child(-n+2)::before{background:var(--brand)}
  .step-dot{flex-shrink:0}
}

/* ========== CTA Banner ========== */
.cta-banner{position:relative;padding:clamp(48px,7vw,80px) 0;background:var(--gradient-brand);overflow:hidden}
.cta-banner::before{content:'';position:absolute;top:-60px;right:10%;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(255,122,60,.5),transparent 70%)}
.cta-banner::after{content:'';position:absolute;bottom:-80px;left:8%;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(169,233,75,.35),transparent 70%)}
.cta-banner .container{position:relative;z-index:2;text-align:center}
.cta-banner h2{font-size:clamp(26px,4vw,36px);font-weight:800;color:#fff;margin-bottom:12px}
.cta-banner p{font-size:16px;color:rgba(255,255,255,.85);margin-bottom:32px}

/* ========== News / CMS ========== */
.news{background:var(--surface)}
.news-list{display:flex;flex-direction:column;gap:20px}
.news-card{display:flex;gap:24px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:20px;transition:all .3s ease;align-items:center}
.news-card:hover{border-color:var(--brand);box-shadow:var(--shadow-card-hover);transform:translateY(-3px)}
.news-thumb{width:200px;height:134px;border-radius:var(--radius-md);overflow:hidden;flex-shrink:0;background:linear-gradient(135deg,#E2E9E4,#F4F7F5);display:flex;align-items:center;justify-content:center}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-thumb i{font-size:32px;color:rgba(18,39,30,.15)}
.news-body{flex:1;min-width:0}
.news-meta{display:flex;align-items:center;gap:12px;margin-bottom:8px;flex-wrap:wrap}
.tag{display:inline-block;font-size:12.5px;font-weight:600;color:var(--brand);background:rgba(29,138,92,.09);padding:3px 12px;border-radius:var(--radius-pill)}
.news-date{font-size:13px;color:var(--muted);display:inline-flex;align-items:center;gap:5px}
.news-body h3{font-size:18px;font-weight:700;color:var(--ink);margin-bottom:6px;line-height:1.5;transition:color .25s ease}
.news-card:hover .news-body h3{color:var(--brand)}
.news-body p{font-size:14px;color:var(--muted);line-height:1.65;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.read-more{display:inline-flex;align-items:center;gap:6px;margin-top:10px;font-size:14px;font-weight:600;color:var(--brand)}
.read-more i{transition:transform .25s ease}
.news-card:hover .read-more i{transform:translateX(4px)}
.empty-state{text-align:center;padding:56px 24px;background:var(--bg);border:1px dashed var(--line);border-radius:var(--radius-lg)}
.empty-state i{font-size:42px;color:rgba(29,138,92,.35);margin-bottom:14px}
.empty-state h3{font-size:18px;font-weight:700;color:var(--ink);margin-bottom:6px}
.empty-state p{font-size:14px;color:var(--muted)}
@media(max-width:768px){
  .news-card{flex-direction:column;align-items:stretch}
  .news-thumb{width:100%;height:auto;aspect-ratio:16/9}
}

/* ========== FAQ ========== */
.faq{background:var(--bg)}
.faq-wrap{display:grid;grid-template-columns:360px 1fr;gap:calc(24px + 4vw);align-items:start}
.faq-left{position:sticky;top:100px}
.faq-left h2{font-size:clamp(28px,3.4vw,36px);font-weight:800;line-height:1.3;margin-bottom:14px}
.faq-left p{font-size:15px;color:var(--muted);margin-bottom:28px;max-width:320px}
.faq-left .btn{font-size:14px;padding:11px 24px}
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;transition:all .3s ease}
.faq-item.active{border-color:var(--brand);box-shadow:0 8px 26px rgba(29,138,92,.08)}
.faq-item-header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;cursor:pointer}
.faq-item-header h3{font-size:16px;font-weight:600;color:var(--ink);line-height:1.5}
.faq-item.active .faq-item-header h3{font-weight:700;color:var(--brand)}
.faq-toggle{width:28px;height:28px;border-radius:50%;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .35s ease}
.faq-toggle i{font-size:13px}
.faq-item.active .faq-toggle{background:var(--gradient-accent);transform:rotate(45deg)}
.faq-item-body{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-item.active .faq-item-body{max-height:300px}
.faq-item-body p{padding:0 24px 22px;font-size:15px;color:var(--muted);line-height:1.75}
@media(max-width:1024px){.faq-wrap{grid-template-columns:280px 1fr}}
@media(max-width:768px){
  .faq-wrap{grid-template-columns:1fr}
  .faq-left{position:static}
}

/* ========== Footer ========== */
.footer{background:var(--dark);color:rgba(255,255,255,.82);padding:64px 0 32px}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.08);margin-bottom:28px}
.footer-logo{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-logo .logo-icon{width:38px;height:38px;background:var(--gradient-brand)}
.footer-logo .logo-text{color:#fff;font-size:18px}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.6);line-height:1.7;max-width:280px}
.footer h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px}
.footer ul li{margin-bottom:10px}
.footer ul a{font-size:14px;color:rgba(255,255,255,.62);transition:all .2s ease;display:inline-flex;align-items:center;gap:7px}
.footer ul a i{font-size:11px;opacity:0;transform:translateX(-3px);transition:all .2s ease}
.footer ul a:hover{color:var(--brand-light);padding-left:3px}
.footer ul a:hover i{opacity:1;transform:translateX(0)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.55)}
.footer-bottom .footer-links{display:flex;gap:20px}
.footer-bottom .footer-links a{font-size:13px;color:rgba(255,255,255,.55)}
.footer-bottom .footer-links a:hover{color:var(--brand-light)}
@media(max-width:1024px){.footer-top{grid-template-columns:1fr 1fr}}
@media(max-width:768px){.footer-top{grid-template-columns:1fr}.footer-bottom{flex-direction:column;text-align:center}}

/* ========== Scrollbar ========== */
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:rgba(29,138,92,.4);border-radius:10px}
::-webkit-scrollbar-thumb:hover{background:rgba(29,138,92,.6)}

/* ========== Shimmer ========== */
.shimmer{position:relative;overflow:hidden;background:#E8EEE9}
.shimmer::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.6),transparent);animation:shimmer 1.6s infinite}
@keyframes shimmer{0%{transform:translateX(-100%)}100%{transform:translateX(100%)}}

/* roulang page: category1 */
:root {
  --brand: #1D8A5C;
  --brand-light: #34D17B;
  --lime: #A9E94B;
  --accent: #FF7A3C;
  --accent-light: #FF9F4A;
  --bg: #F4F7F5;
  --surface: #FFFFFF;
  --dark: #0C1F17;
  --dark-card: #123627;
  --ink: #12271E;
  --muted: #5B6E63;
  --line: #E2E9E4;
  --gradient-brand: linear-gradient(135deg, #1D8A5C 0%, #34D17B 60%, #A9E94B 120%);
  --gradient-accent: linear-gradient(135deg, #FF7A3C, #FF9F4A);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --shadow-card: 0 10px 30px rgba(18,39,30,.07);
  --shadow-hover: 0 18px 44px rgba(18,39,30,.12);
  --shadow-accent: 0 8px 20px rgba(255,122,60,.32);
  --container-width: 1200px;
  --space-section: clamp(64px, 8vw, 108px);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; border: 0; }
a { color: inherit; text-decoration: none; transition: color .25s ease, background .25s ease, box-shadow .25s ease, transform .25s ease; }
button { font-family: inherit; border: 0; background: none; cursor: pointer; }
ul, ol { list-style: none; }
.container { width: 100%; max-width: var(--container-width); margin: 0 auto; padding: 0 24px; }
section { position: relative; }

/* 按钮体系 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  line-height: 1.4;
  white-space: nowrap;
  transition: all .25s ease;
}
.btn:focus-visible, a:focus-visible, button:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}
.btn-accent {
  background: var(--gradient-accent);
  color: #fff;
  box-shadow: var(--shadow-accent);
}
.btn-accent:hover { transform: translateY(-2px); filter: brightness(1.05); box-shadow: 0 14px 28px rgba(255,122,60,.4); }
.btn-accent:active { transform: translateY(0); }
.btn-brand {
  background: var(--gradient-brand);
  color: #fff;
  box-shadow: 0 8px 20px rgba(29,138,92,.28);
}
.btn-brand:hover { transform: translateY(-2px); filter: brightness(1.04); }
.btn-ghost {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,.75);
}
.btn-ghost:hover { background: rgba(255,255,255,.14); border-color: #fff; }
.btn-ghost-dark {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}
.btn-ghost-dark:hover { background: rgba(29,138,92,.08); border-color: var(--brand); color: var(--brand); }

/* 顶部导航 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 72px;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(226,233,228,.8);
  transition: background .3s ease, box-shadow .3s ease;
}
.site-header.scrolled { box-shadow: 0 6px 24px rgba(18,39,30,.06); }
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 72px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--gradient-brand);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 17px;
  box-shadow: 0 4px 12px rgba(29,138,92,.35);
}
.logo-text {
  font-size: 20px;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: .4px;
  white-space: nowrap;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  justify-content: center;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.main-nav::-webkit-scrollbar { display: none; }
.nav-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  background: transparent;
  white-space: nowrap;
  transition: background .25s ease, color .25s ease, transform .2s ease;
}
.nav-chip i { font-size: 13px; }
.nav-chip:hover { background: rgba(29,138,92,.1); color: var(--brand); }
.nav-chip.active {
  background: var(--gradient-brand);
  color: #fff;
  box-shadow: 0 6px 16px rgba(29,138,92,.3);
}
.header-cta { flex-shrink: 0; }
.nav-cta { padding: 10px 22px; font-size: 14px; }

/* Hero 分类页 */
.cat-hero {
  background: var(--bg);
  padding: 64px 0 56px;
  overflow: hidden;
}
.cat-hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 46%;
  height: 100%;
  background: url('/assets/images/backpic/back-2.png') no-repeat center / cover;
  mask-image: linear-gradient(to left, rgba(0,0,0,.55), transparent);
  -webkit-mask-image: linear-gradient(to left, rgba(0,0,0,.55), transparent);
  pointer-events: none;
}
.cat-hero .container { position: relative; z-index: 2; }
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 18px;
}
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--brand); }
.breadcrumb i { font-size: 11px; color: #b8c4be; }
.cat-hero h1 {
  font-size: clamp(32px, 4vw, 42px);
  font-weight: 800;
  color: var(--ink);
  line-height: 1.25;
  margin-bottom: 14px;
}
.cat-hero h1 span {
  color: var(--brand);
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.cat-hero p.lead {
  font-size: 17px;
  max-width: 640px;
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 28px;
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.meta-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--line);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  box-shadow: 0 4px 12px rgba(18,39,30,.04);
}
.meta-tag i { color: var(--brand); }
.cat-hero-actions { display: flex; gap: 12px; margin-top: 24px; }

/* 筛选 chip 条 */
.filter-bar {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
}
.filter-inner {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.filter-chip {
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  background: var(--bg);
  border: 1px solid var(--line);
  transition: all .25s ease;
}
.filter-chip:hover { color: var(--brand); border-color: var(--brand); background: rgba(29,138,92,.06); }
.filter-chip.current {
  background: var(--gradient-brand);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 6px 16px rgba(29,138,92,.28);
}
.filter-label {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  margin-right: 4px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.filter-label i { color: var(--accent); }

/* 内容卡片网格 */
.card-grid-section { padding: var(--space-section) 0; }
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 40px;
}
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: 8px;
}
.section-head h2 {
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 800;
  color: var(--ink);
  line-height: 1.3;
}
.section-head .section-desc {
  max-width: 460px;
  font-size: 15px;
  color: var(--muted);
  text-align: right;
}
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.news-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(226,233,228,.6);
  display: flex;
  flex-direction: column;
  transition: transform .3s ease, box-shadow .3s ease;
}
.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.news-card .thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: linear-gradient(135deg, #E8F0EB, #D9E8DF);
}
.news-card .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.news-card:hover .thumb img { transform: scale(1.05); }
.news-card .thumb .tag {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  padding: 5px 14px;
  border-radius: 999px;
  background: rgba(12,31,23,.75);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  backdrop-filter: blur(4px);
}
.news-card .body {
  padding: 22px 22px 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.news-card .body .row-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 10px;
}
.news-card .body .row-info .dot { color: var(--accent); font-weight: 800; }
.news-card h3 {
  font-size: 19px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 10px;
  color: var(--ink);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card h3 a:hover { color: var(--brand); }
.news-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card .read-more {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 700;
  color: var(--brand);
}
.news-card .read-more i { transition: transform .25s ease; }
.news-card .read-more:hover i { transform: translateX(4px); }

/* 深色数据亮点区 */
.highlight-section {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-card) 100%);
  padding: calc(var(--space-section) * .8) 0;
  color: #fff;
}
.highlight-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 36px;
}
.highlight-card {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 20px;
  padding: 28px 24px;
  text-align: center;
  transition: background .3s ease, transform .3s ease;
}
.highlight-card:hover { background: rgba(255,255,255,.09); transform: translateY(-4px); }
.highlight-card .num {
  font-family: "DIN Alternate", "Inter", Roboto, Arial, sans-serif;
  font-size: 34px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--lime), var(--brand-light));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
}
.highlight-card .label { font-size: 14px; color: rgba(255,255,255,.7); margin-top: 8px; }

/* 分页 */
.pagination-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 48px;
  flex-wrap: wrap;
}
.page-link {
  min-width: 42px;
  height: 42px;
  padding: 0 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--surface);
  border: 1px solid var(--line);
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  transition: all .25s ease;
}
.page-link:hover { border-color: var(--brand); color: var(--brand); background: rgba(29,138,92,.05); }
.page-link.current {
  background: var(--gradient-brand);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 6px 16px rgba(29,138,92,.3);
}
.page-link.next { gap: 6px; }

/* FAQ */
.faq-section {
  background: var(--surface);
  padding: var(--space-section) 0;
}
.faq-layout {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 56px;
  align-items: start;
}
.faq-left h2 {
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 800;
  color: var(--ink);
  line-height: 1.3;
  margin-bottom: 12px;
}
.faq-left p {
  font-size: 15px;
  color: var(--muted);
  margin-bottom: 24px;
  line-height: 1.8;
}
.faq-panel {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  transition: border-color .3s ease, box-shadow .3s ease;
}
.faq-item.open {
  border-color: var(--brand);
  box-shadow: 0 8px 24px rgba(29,138,92,.08);
}
.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  width: 100%;
  text-align: left;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  background: none;
  padding: 0;
}
.faq-q .icon {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--gradient-brand);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 400;
  flex-shrink: 0;
  transition: transform .3s ease;
}
.faq-item.open .faq-q .icon { transform: rotate(45deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease, padding .35s ease;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}
.faq-item.open .faq-a { max-height: 400px; padding-top: 14px; }

/* CTA */
.cta-banner {
  background: linear-gradient(135deg, #1D8A5C 0%, #34D17B 60%, #A9E94B 120%);
  border-radius: 28px;
  position: relative;
  overflow: hidden;
  padding: 56px 48px;
  margin-bottom: var(--space-section);
  text-align: center;
}
.cta-banner::before {
  content: "";
  position: absolute;
  top: -60%;
  right: -10%;
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, rgba(255,122,60,.5), transparent 70%);
  border-radius: 50%;
}
.cta-banner::after {
  content: "";
  position: absolute;
  bottom: -80%;
  left: -5%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255,255,255,.2), transparent 70%);
  border-radius: 50%;
}
.cta-banner .container { position: relative; z-index: 2; }
.cta-banner h2 {
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 800;
  color: #fff;
  margin-bottom: 10px;
}
.cta-banner p {
  font-size: 16px;
  color: rgba(255,255,255,.88);
  margin-bottom: 28px;
}
.cta-banner .btn-white {
  background: #fff;
  color: var(--brand);
  box-shadow: 0 8px 24px rgba(0,0,0,.15);
}
.cta-banner .btn-white:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(0,0,0,.18); }

/* 页脚 */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,.85);
  padding-top: 64px;
  border-top: 1px solid rgba(255,255,255,.08);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-brand .footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-brand .logo-icon {
  background: var(--gradient-brand);
  color: #fff;
  box-shadow: none;
}
.footer-brand .logo-text { color: #fff; font-size: 20px; font-weight: 800; }
.footer-brand p { font-size: 14px; color: rgba(255,255,255,.65); line-height: 1.8; max-width: 320px; }
.footer h4 {
  font-size: 16px;
  color: #fff;
  margin-bottom: 18px;
  font-weight: 700;
}
.footer ul li { margin-bottom: 12px; }
.footer ul a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: rgba(255,255,255,.65);
  transition: color .25s ease, padding-left .25s ease;
}
.footer ul a i { font-size: 10px; color: rgba(255,255,255,.35); }
.footer ul a:hover { color: var(--brand-light); padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 22px 0 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-bottom p { font-size: 13px; color: rgba(255,255,255,.55); }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-links a { font-size: 13px; color: rgba(255,255,255,.55); }
.footer-links a:hover { color: var(--brand-light); }

/* 响应式 */
@media (max-width: 1024px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .highlight-grid { grid-template-columns: repeat(2, 1fr); }
  .faq-layout { grid-template-columns: 1fr; gap: 32px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .container { padding: 0 16px; }
  .nav-wrap { gap: 10px; }
  .logo-text { font-size: 17px; }
  .main-nav {
    justify-content: flex-start;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x proximity;
  }
  .nav-chip { scroll-snap-align: start; padding: 8px 14px; font-size: 13px; }
  .nav-cta { padding: 8px 16px; font-size: 13px; }
  .cat-hero { padding: 44px 0 40px; }
  .cat-hero::after { width: 60%; opacity: .5; }
  .cat-hero h1 { font-size: 30px; }
  .card-grid { grid-template-columns: 1fr; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 8px; }
  .section-head .section-desc { text-align: left; }
  .highlight-grid { gap: 14px; }
  .highlight-card { padding: 22px 16px; }
  .highlight-card .num { font-size: 28px; }
  .faq-layout { gap: 24px; }
  .cta-banner { padding: 40px 24px; }
  .cta-banner h2 { font-size: 24px; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .footer-links { justify-content: center; }
}

@media (max-width: 520px) {
  .footer-top { grid-template-columns: 1fr; }
  .highlight-grid { grid-template-columns: 1fr; }
  .cat-hero-actions { flex-direction: column; }
  .cat-hero-actions .btn { width: 100%; }
  .meta-tag { font-size: 12px; padding: 6px 12px; }
  .filter-inner { flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .filter-chip { flex-shrink: 0; }
  .pagination-wrap { gap: 6px; }
  .page-link { min-width: 38px; height: 38px; }
}

/* roulang page: category2 */
:root {
  --brand: #1D8A5C;
  --brand-light: #34D17B;
  --lime: #A9E94B;
  --accent: #FF7A3C;
  --accent-light: #FF9F4A;
  --bg: #F4F7F5;
  --surface: #FFFFFF;
  --dark: #0C1F17;
  --dark-card: #123627;
  --ink: #12271E;
  --muted: #5B6E63;
  --line: #E2E9E4;
  --gradient-brand: linear-gradient(135deg, #1D8A5C 0%, #34D17B 60%, #A9E94B 120%);
  --gradient-accent: linear-gradient(135deg, #FF7A3C, #FF9F4A);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --radius-pill: 999px;
  --shadow-card: 0 10px 30px rgba(18,39,30,.07);
  --shadow-hover: 0 18px 44px rgba(18,39,30,.12);
  --shadow-accent: 0 8px 20px rgba(255,122,60,.32);
  --section-space: clamp(64px, 8vw, 108px);
  --container-width: 1200px;
  --font-cn: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-num: "DIN Alternate", "Inter", Roboto, Arial, sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-cn);
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: none; }
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
  border-radius: 6px;
}
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}
.section { padding: var(--section-space) 0; }
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 44px;
}
.section-head .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--brand);
  background: rgba(29,138,92,.08);
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 10px;
}
.section-head h2 {
  font-size: clamp(28px, 3vw, 36px);
  line-height: 1.25;
  font-weight: 800;
  color: var(--ink);
}
.section-head .head-desc {
  color: var(--muted);
  font-size: 15px;
  max-width: 460px;
}
.section-head .more-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--brand);
  font-weight: 600;
  font-size: 14px;
  white-space: nowrap;
  padding: 10px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--surface);
  transition: .25s;
}
.section-head .more-link:hover {
  border-color: var(--brand);
  background: rgba(29,138,92,.06);
  transform: translateY(-2px);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 700;
  padding: 12px 28px;
  border-radius: var(--radius-pill);
  transition: all .25s ease;
  font-size: 15px;
  line-height: 1.4;
  border: none;
}
.btn-accent {
  background: var(--gradient-accent);
  color: #fff;
  box-shadow: var(--shadow-accent);
}
.btn-accent:hover {
  transform: translateY(-2px);
  filter: brightness(1.05);
  box-shadow: 0 12px 28px rgba(255,122,60,.4);
}
.btn-accent:active { transform: translateY(0); }
.btn-primary {
  background: var(--gradient-brand);
  color: #fff;
  box-shadow: 0 8px 20px rgba(29,138,92,.28);
}
.btn-primary:hover {
  transform: translateY(-2px);
  filter: brightness(1.05);
  box-shadow: 0 12px 28px rgba(29,138,92,.36);
}
.btn-ghost-light {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,.7);
}
.btn-ghost-light:hover {
  background: rgba(255,255,255,.12);
  border-color: #fff;
  transform: translateY(-2px);
}
.btn-ghost-dark {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--line);
}
.btn-ghost-dark:hover {
  border-color: var(--brand);
  color: var(--brand);
  background: rgba(29,138,92,.05);
  transform: translateY(-2px);
}

/* ===== Header / Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .3s;
}
.site-header.scrolled {
  box-shadow: 0 6px 24px rgba(18,39,30,.08);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 72px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--gradient-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 17px;
  box-shadow: 0 6px 14px rgba(29,138,92,.32);
}
.logo-text {
  font-size: 19px;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: .01em;
  white-space: nowrap;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  scroll-snap-type: x proximity;
}
.main-nav::-webkit-scrollbar { display: none; }
.nav-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  background: rgba(29,138,92,.06);
  border: 1px solid transparent;
  white-space: nowrap;
  transition: all .25s;
  scroll-snap-align: center;
}
.nav-chip i { font-size: 13px; }
.nav-chip:hover {
  background: rgba(29,138,92,.12);
  color: var(--brand);
}
.nav-chip.active {
  background: var(--gradient-brand);
  color: #fff;
  box-shadow: 0 6px 16px rgba(29,138,92,.3);
}
.header-cta {
  flex-shrink: 0;
}
.nav-cta {
  padding: 10px 22px;
  font-size: 14px;
}

/* ===== Category Hero ===== */
.cat-hero {
  background: linear-gradient(120deg, #F4F7F5 0%, #E9F2EC 55%, #DFEDE5 100%);
  padding: 56px 0 64px;
  position: relative;
  overflow: hidden;
}
.cat-hero .container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 48px;
  align-items: center;
}
.cat-hero-visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 260px;
  background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  position: relative;
  box-shadow: var(--shadow-hover);
}
.cat-hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(12,31,23,.22) 0%, rgba(12,31,23,.58) 100%);
}
.cat-hero-visual .visual-tag {
  position: absolute;
  left: 20px;
  bottom: 18px;
  z-index: 2;
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  background: rgba(255,122,60,.9);
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-accent);
}
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 18px;
}
.breadcrumb a:hover { color: var(--brand); }
.breadcrumb i { font-size: 10px; color: #A9B8AF; }
.cat-hero h1 {
  font-size: clamp(32px, 4vw, 42px);
  font-weight: 800;
  line-height: 1.25;
  color: var(--ink);
  margin-bottom: 18px;
}
.cat-hero h1 .highlight {
  color: var(--brand);
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.cat-hero .cat-lead {
  font-size: 16px;
  color: var(--muted);
  max-width: 540px;
  line-height: 1.9;
  margin-bottom: 28px;
}
.cat-hero .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}
.hero-badge {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 12px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-card);
}
.hero-badge .num {
  font-family: var(--font-num);
  font-size: 24px;
  font-weight: 800;
  color: var(--brand);
  line-height: 1;
}
.hero-badge .label {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.3;
}

/* ===== Feature Cards 2x2 ===== */
.features {
  background: var(--bg);
}
.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.feature-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--line);
  transition: transform .3s, box-shadow .3s;
  position: relative;
}
.feature-card:nth-child(even) { transform: translateY(24px); }
.feature-card:nth-child(even):hover { transform: translateY(18px); }
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gradient-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 22px;
  margin-bottom: 20px;
  box-shadow: 0 8px 18px rgba(29,138,92,.3);
  transition: transform .3s;
}
.feature-card:hover .feature-icon {
  transform: scale(1.08) rotate(-4deg);
}
.feature-card h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 10px;
}
.feature-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.75;
}
.feature-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--brand);
  transition: gap .25s;
}
.feature-link:hover { gap: 10px; }

/* ===== Process Section ===== */
.process-section {
  background: linear-gradient(160deg, #0C1F17 0%, #123627 100%);
  position: relative;
  overflow: hidden;
}
.process-section::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -60px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(169,233,75,.18) 0%, transparent 70%);
}
.process-section .section-head h2 { color: #fff; }
.process-section .section-head .eyebrow {
  background: rgba(255,255,255,.12);
  color: var(--lime);
}
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
  z-index: 2;
}
.process-step {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  position: relative;
  transition: background .3s, transform .3s;
  text-align: center;
}
.process-step:hover {
  background: rgba(255,255,255,.09);
  transform: translateY(-4px);
}
.step-num {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-num);
  font-size: 18px;
  font-weight: 800;
  color: #fff;
  background: var(--gradient-brand);
  box-shadow: 0 6px 16px rgba(29,138,92,.4);
}
.process-step.current .step-num {
  background: var(--gradient-accent);
  box-shadow: 0 6px 16px rgba(255,122,60,.4);
}
.process-step h3 {
  color: #fff;
  font-size: 17px;
  margin-bottom: 8px;
}
.process-step p {
  color: rgba(255,255,255,.65);
  font-size: 13px;
  line-height: 1.7;
}
.progress-panel {
  margin-top: 48px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.progress-meta {
  flex: 1;
  min-width: 260px;
}
.progress-meta .p-label {
  color: rgba(255,255,255,.7);
  font-size: 14px;
  margin-bottom: 8px;
}
.progress-track {
  height: 10px;
  background: rgba(255,255,255,.12);
  border-radius: 999px;
  overflow: hidden;
  margin-top: 12px;
}
.progress-fill {
  height: 100%;
  width: 75%;
  background: var(--gradient-brand);
  border-radius: 999px;
  position: relative;
}
.progress-fill::after {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  width: 18px;
  height: 100%;
  background: var(--gradient-accent);
  border-radius: 999px;
}
.progress-stat {
  text-align: center;
  flex-shrink: 0;
}
.progress-stat .p-num {
  font-family: var(--font-num);
  font-size: 44px;
  font-weight: 800;
  color: var(--accent-light);
  line-height: 1;
}
.progress-stat .p-title {
  color: rgba(255,255,255,.6);
  font-size: 13px;
  margin-top: 6px;
}
.progress-cta .btn-primary {
  background: var(--gradient-accent);
  box-shadow: var(--shadow-accent);
}
.progress-cta .btn-primary:hover { filter: brightness(1.06); }

/* ===== Guide Cards ===== */
.guides-section {
  background: var(--bg);
}
.guide-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.guide-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--line);
  transition: transform .3s, box-shadow .3s;
  display: flex;
  flex-direction: column;
}
.guide-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.guide-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #E8EFEA;
}
.guide-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .45s;
}
.guide-card:hover .guide-thumb img {
  transform: scale(1.05);
}
.guide-thumb .tag-badge {
  position: absolute;
  left: 14px;
  top: 14px;
  background: var(--gradient-accent);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 10px rgba(255,122,60,.35);
}
.guide-body {
  padding: 22px 24px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.guide-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 10px;
}
.guide-meta span { display: inline-flex; align-items: center; gap: 5px; }
.guide-body h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.5;
  margin-bottom: 8px;
  transition: color .25s;
}
.guide-card:hover .guide-body h3 { color: var(--brand); }
.guide-body p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 16px;
  flex: 1;
}
.guide-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--brand);
}
.guide-link:hover { gap: 10px; }
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  margin-top: 48px;
}
.page-link {
  min-width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  transition: all .25s;
}
.page-link:hover {
  border-color: var(--brand);
  color: var(--brand);
}
.page-link.active {
  background: var(--gradient-brand);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 6px 14px rgba(29,138,92,.28);
}
.page-link.next {
  gap: 6px;
}

/* ===== FAQ ===== */
.faq-section {
  background: var(--surface);
}
.faq-wrap {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 56px;
  align-items: start;
}
.faq-left {
  position: sticky;
  top: 100px;
}
.faq-left .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--brand);
  background: rgba(29,138,92,.08);
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 12px;
}
.faq-left h2 {
  font-size: clamp(28px, 3vw, 36px);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 14px;
}
.faq-left p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 24px;
}
.faq-left .faq-contact {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 24px;
}
.faq-list { display: flex; flex-direction: column; gap: 14px; }
.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  overflow: hidden;
  transition: border-color .3s, box-shadow .3s;
}
.faq-item.open {
  border-color: var(--brand);
  box-shadow: 0 8px 24px rgba(29,138,92,.08);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  text-align: left;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  transition: background .25s;
}
.faq-question:hover { background: rgba(29,138,92,.04); }
.faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--brand);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: transform .3s, background .3s;
}
.faq-item.open .faq-icon {
  background: var(--accent);
  transform: rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease, padding .3s;
  padding: 0 24px;
}
.faq-item.open .faq-answer {
  max-height: 300px;
  padding: 0 24px 20px;
}
.faq-answer p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
  border-top: 1px dashed var(--line);
  padding-top: 14px;
}

/* ===== CTA Banner ===== */
.cta-banner {
  background: var(--gradient-brand);
  border-radius: var(--radius-lg);
  margin: 0 auto var(--section-space);
  max-width: var(--container-width);
  padding: 64px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: "";
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,122,60,.35) 0%, transparent 70%);
  top: -80px;
  right: -40px;
}
.cta-banner::after {
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,.18) 0%, transparent 70%);
  bottom: -90px;
  left: 30px;
}
.cta-banner h2 {
  color: #fff;
  font-size: clamp(26px, 3.2vw, 38px);
  font-weight: 800;
  margin-bottom: 14px;
  position: relative;
  z-index: 2;
}
.cta-banner p {
  color: rgba(255,255,255,.85);
  font-size: 16px;
  margin-bottom: 30px;
  position: relative;
  z-index: 2;
}
.cta-banner .btn-accent {
  background: #fff;
  color: var(--brand);
  box-shadow: 0 10px 24px rgba(0,0,0,.16);
  position: relative;
  z-index: 2;
}
.cta-banner .btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(0,0,0,.22);
}
.cta-banner .btn-ghost-light {
  position: relative;
  z-index: 2;
  margin-left: 12px;
}

/* ===== Footer ===== */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,.85);
  padding-top: 64px;
  position: relative;
}
.footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: rgba(255,255,255,.08);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand .footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.footer-brand .logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
}
.footer-brand .logo-text {
  color: #fff;
  font-size: 18px;
  font-weight: 800;
}
.footer-brand p {
  font-size: 14px;
  color: rgba(255,255,255,.6);
  line-height: 1.8;
  max-width: 280px;
}
.footer h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 18px;
}
.footer ul li { margin-bottom: 10px; }
.footer ul a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: rgba(255,255,255,.6);
  transition: color .25s, transform .25s;
}
.footer ul a i { font-size: 10px; }
.footer ul a:hover {
  color: var(--lime);
  transform: translateX(4px);
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-bottom p {
  font-size: 13px;
  color: rgba(255,255,255,.5);
}
.footer-links {
  display: flex;
  gap: 20px;
}
.footer-links a {
  font-size: 13px;
  color: rgba(255,255,255,.5);
  transition: color .25s;
}
.footer-links a:hover { color: var(--lime); }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .category-hero .container { grid-template-columns: 1fr; }
  .cat-hero-visual { min-height: 220px; }
  .feature-grid { gap: 22px; }
  .guide-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .faq-wrap { grid-template-columns: 1fr; gap: 36px; }
  .faq-left { position: static; }
  .progress-panel { flex-direction: column; text-align: center; }
}
@media (max-width: 768px) {
  .container { padding: 0 16px; }
  .nav-wrap { height: auto; padding: 12px 0; flex-wrap: wrap; }
  .main-nav { order: 3; width: 100%; padding-bottom: 4px; }
  .nav-chip { font-size: 13px; padding: 8px 14px; }
  .header-cta .nav-cta { padding: 8px 16px; font-size: 13px; }
  .cat-hero { padding: 40px 0 48px; }
  .cat-hero h1 { font-size: 30px; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 12px; margin-bottom: 32px; }
  .section-head .head-desc { max-width: 100%; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card:nth-child(even) { transform: none; }
  .feature-card:nth-child(even):hover { transform: translateY(-4px); }
  .guide-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr 1fr; }
  .hero-badges { flex-direction: column; align-items: flex-start; }
  .cta-banner { padding: 40px 24px; margin: 0 16px var(--section-space); }
  .cta-banner h2 { font-size: 26px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .footer-links { justify-content: center; }
}
@media (max-width: 520px) {
  .process-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn { width: 100%; }
  .cat-hero .hero-actions .btn { width: 100%; }
  .cta-banner .btn { width: 100%; margin-left: 0; margin-top: 12px; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .pagination { flex-wrap: wrap; }
}

/* roulang page: article */
:root{
  --brand:#1D8A5C;
  --brand-light:#34D17B;
  --lime:#A9E94B;
  --accent:#FF7A3C;
  --accent-light:#FF9F4A;
  --bg:#F4F7F5;
  --surface:#FFFFFF;
  --dark:#0C1F17;
  --dark-card:#123627;
  --ink:#12271E;
  --muted:#5B6E63;
  --line:#E2E9E4;
  --gradient-brand:linear-gradient(135deg,#1D8A5C 0%,#34D17B 60%,#A9E94B 120%);
  --gradient-accent:linear-gradient(135deg,#FF7A3C,#FF9F4A);
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow-card:0 10px 30px rgba(18,39,30,.07);
  --shadow-hover:0 18px 44px rgba(18,39,30,.12);
  --shadow-btn:0 8px 20px rgba(255,122,60,.32);
  --container:1200px;
  --space:clamp(64px,8vw,108px);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"DIN Alternate","Inter",Roboto,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-cn);font-size:16px;line-height:1.7;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,textarea,select{font-family:inherit;font-size:inherit}
ul,ol{list-style-position:inside}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.container-narrow{max-width:860px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;border-radius:var(--radius-pill);font-size:15px;font-weight:700;line-height:1.4;border:none;cursor:pointer;transition:all .25s ease;white-space:nowrap}
.btn-accent{background:var(--gradient-accent);color:#fff;box-shadow:var(--shadow-btn)}
.btn-accent:hover{transform:translateY(-2px);filter:brightness(1.05)}
.btn-accent:active{transform:translateY(1px);box-shadow:none}
.btn-primary{background:var(--gradient-brand);color:#fff;box-shadow:0 8px 20px rgba(29,138,92,.25)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.05)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{background:transparent;border:1.5px solid var(--brand);color:var(--brand)}
.btn-outline:hover{background:var(--brand);color:#fff}
.btn-outline:active{transform:translateY(1px)}
.btn-ghost-light{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.4);color:#fff;backdrop-filter:blur(4px)}
.btn-ghost-light:hover{background:rgba(255,255,255,.24)}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* Header */
.site-header{position:sticky;top:0;z-index:100;transition:background .3s ease,box-shadow .3s ease}
body.page-article .site-header{background:rgba(255,255,255,.92);backdrop-filter:blur(12px);box-shadow:0 1px 0 var(--line)}
.site-header.scrolled{background:rgba(255,255,255,.92);backdrop-filter:blur(12px);box-shadow:0 1px 0 var(--line)}
.nav-wrap{display:flex;align-items:center;gap:20px;height:72px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-icon{width:40px;height:40px;border-radius:50%;background:var(--gradient-brand);display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;box-shadow:0 4px 12px rgba(29,138,92,.3);flex-shrink:0}
.logo-text{font-size:20px;font-weight:800;color:#fff;letter-spacing:.5px;transition:color .3s}
body.page-article .logo-text{color:var(--ink)}
.scrolled .logo-text{color:var(--ink)}
.main-nav{display:flex;align-items:center;gap:8px;flex:1;justify-content:center;min-width:0}
.nav-chip{display:inline-flex;align-items:center;gap:6px;padding:10px 18px;border-radius:var(--radius-pill);font-size:14px;font-weight:600;color:#fff;background:rgba(255,255,255,.14);transition:background .25s,color .25s;white-space:nowrap;border:none;cursor:pointer}
body.page-article .nav-chip{color:var(--ink);background:var(--bg)}
.scrolled .nav-chip{color:var(--ink);background:var(--bg)}
.nav-chip:hover{background:rgba(255,255,255,.28)}
body.page-article .nav-chip:hover{background:var(--line)}
.scrolled .nav-chip:hover{background:var(--line)}
.nav-chip.active{background:var(--gradient-brand);color:#fff!important;box-shadow:0 4px 14px rgba(29,138,92,.35)}
.header-cta{flex-shrink:0}
.nav-cta{padding:10px 24px;font-size:14px}

/* Breadcrumb */
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);margin-bottom:20px;flex-wrap:wrap}
.breadcrumb a{color:var(--muted);transition:color .2s}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb i{font-size:11px;color:#A9B8AF}
.breadcrumb .current{color:var(--ink);font-weight:600;max-width:260px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* Article Hero */
.article-hero{background:var(--surface);border-bottom:1px solid var(--line);padding:clamp(40px,6vw,72px) 0 36px;position:relative;overflow:hidden}
.article-hero::before{content:"";position:absolute;right:-160px;top:-120px;width:420px;height:420px;background:radial-gradient(circle,rgba(29,138,92,.09),transparent 70%);pointer-events:none}
.article-hero::after{content:"";position:absolute;left:-80px;bottom:-160px;width:280px;height:280px;background:radial-gradient(circle,rgba(255,122,60,.06),transparent 70%);pointer-events:none}
.article-hero-inner{display:grid;grid-template-columns:1fr auto;gap:48px;position:relative;z-index:1}
.article-hero-art{width:300px;height:200px;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;border-radius:var(--radius-lg);box-shadow:var(--shadow-card);align-self:center;opacity:.9}
.article-cat-chip{display:inline-flex;padding:6px 16px;border-radius:var(--radius-pill);background:var(--gradient-brand);color:#fff;font-size:13px;font-weight:700;margin-bottom:14px;box-shadow:0 4px 12px rgba(29,138,92,.25)}
.article-hero h1{font-size:clamp(30px,4vw,40px);line-height:1.25;font-weight:800;color:var(--ink);margin-bottom:16px;letter-spacing:-.5px;max-width:720px}
.article-meta{display:flex;flex-wrap:wrap;gap:18px;color:var(--muted);font-size:14px;margin-bottom:24px}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta i{color:var(--brand);width:16px;text-align:center}
.article-summary{background:var(--bg);border-radius:var(--radius-md);padding:20px 24px;display:flex;gap:14px;border-left:4px solid var(--brand);max-width:760px}
.article-summary i{color:var(--brand);font-size:18px;flex-shrink:0;margin-top:4px}
.article-summary p{color:var(--muted);font-size:15px;line-height:1.7;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* Article Main */
.article-main{padding:48px 0 64px;background:var(--bg)}
.article-content{background:var(--surface);border-radius:var(--radius-lg);padding:clamp(24px,4vw,48px);box-shadow:var(--shadow-card)}
.article-content h2{font-size:clamp(22px,2.6vw,28px);margin:44px 0 18px;padding-bottom:10px;border-bottom:2px solid var(--line);font-weight:800;color:var(--ink);line-height:1.4}
.article-content h3{font-size:clamp(19px,2.2vw,22px);margin:32px 0 14px;font-weight:700;color:var(--ink);line-height:1.5}
.article-content h4{font-size:18px;margin:24px 0 10px;font-weight:700;color:var(--ink)}
.article-content p{margin-bottom:22px;line-height:1.9;color:#2A4034;font-size:16px}
.article-content ul,.article-content ol{margin:0 0 22px;padding-left:24px}
.article-content ul li,.article-content ol li{margin-bottom:8px;line-height:1.8;color:#2A4034}
.article-content blockquote{margin:32px 0;padding:20px 24px;border-left:4px solid var(--brand);background:var(--bg);border-radius:0 var(--radius-sm) var(--radius-sm) 0;font-size:16px;color:var(--muted)}
.article-content blockquote p{margin-bottom:0;color:var(--muted)}
.article-content img{border-radius:var(--radius-md);max-width:100%;height:auto;margin:24px 0;box-shadow:var(--shadow-card)}
.article-content figure{margin:28px 0}
.article-content figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px}
.article-content table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.article-content th,.article-content td{border:1px solid var(--line);padding:12px 16px;text-align:left}
.article-content th{background:var(--bg);font-weight:700;color:var(--ink)}
.article-content tr:nth-child(even) td{background:rgba(244,247,245,.5)}
.article-content code{background:var(--bg);padding:2px 8px;border-radius:6px;font-family:"SFMono-Regular",Consolas,"Liberation Mono",monospace;font-size:14px;color:var(--brand)}
.article-content pre{background:var(--dark);color:#E8F5EF;padding:20px 24px;border-radius:var(--radius-md);overflow-x:auto;margin:24px 0;line-height:1.6}
.article-content pre code{background:transparent;padding:0;color:inherit;font-size:14px}
.article-content a{color:var(--brand);text-decoration:underline;text-underline-offset:4px;text-decoration-color:rgba(29,138,92,.3)}
.article-content a:hover{color:#157047;text-decoration-color:var(--brand)}
.article-content hr{border:none;border-top:1px solid var(--line);margin:36px 0}

/* Article Bottom Nav */
.article-bottom-nav{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-top:36px;padding-top:24px;border-top:1px solid var(--line)}
.article-tags{display:flex;gap:8px;flex-wrap:wrap}
.article-tags span{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--muted);background:var(--bg);border-radius:var(--radius-pill);padding:5px 14px}

/* Not Found */
.not-found-card{text-align:center;padding:80px 32px;background:var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-card)}
.not-found-icon{width:72px;height:72px;border-radius:50%;background:rgba(255,122,60,.1);color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:30px;margin:0 auto 20px}
.not-found-card h2{font-size:26px;font-weight:800;margin-bottom:12px;color:var(--ink)}
.not-found-card p{color:var(--muted);margin-bottom:24px;font-size:15px}

/* Quick Steps */
.quick-steps{padding:var(--space) 0;background:var(--surface)}
.section-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:2px;color:var(--brand);text-transform:uppercase;margin-bottom:10px}
.section-eyebrow::before{content:"";width:24px;height:2px;background:var(--brand);border-radius:2px;display:inline-block}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-head h2{font-size:clamp(26px,3vw,34px);font-weight:800;color:var(--ink);line-height:1.3}
.section-more{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:14px;transition:gap .2s}
.section-more:hover{gap:10px}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step-item{background:var(--bg);border-radius:var(--radius-md);padding:28px 26px;border:1px solid var(--line);position:relative;transition:all .25s ease;overflow:hidden}
.step-item::after{content:"";position:absolute;right:-20px;top:-20px;width:70px;height:70px;border-radius:50%;background:rgba(29,138,92,.06);transition:transform .3s}
.step-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-card)}
.step-item:hover::after{transform:scale(1.6)}
.step-num{font-family:var(--font-num);font-size:44px;font-weight:800;background:var(--gradient-brand);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1;margin-bottom:16px;position:relative;z-index:1}
.step-item h3{font-size:18px;font-weight:700;margin-bottom:8px;color:var(--ink)}
.step-item p{font-size:14px;color:var(--muted);line-height:1.7}

/* Related */
.related-section{padding:var(--space) 0;background:var(--bg)}
.related-section .section-head h2{font-size:clamp(26px,3vw,34px)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;transition:all .3s ease;display:flex;flex-direction:column}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.related-thumb{aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#E8F5EF,#E0F0C0);position:relative}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.related-card:hover .related-thumb img{transform:scale(1.06)}
.related-body{padding:20px 24px 24px;flex:1;display:flex;flex-direction:column}
.card-tag{display:inline-flex;align-items:center;align-self:flex-start;padding:4px 12px;border-radius:var(--radius-pill);background:rgba(29,138,92,.1);color:var(--brand);font-size:12px;font-weight:700;margin-bottom:12px}
.related-body h3{font-size:18px;margin-bottom:10px;line-height:1.5;font-weight:700}
.related-body h3 a{color:var(--ink);transition:color .2s}
.related-body h3 a:hover{color:var(--brand)}
.related-body p{font-size:14px;color:var(--muted);line-height:1.7;flex:1}

/* CTA Banner */
.cta-banner{background:var(--gradient-brand);position:relative;overflow:hidden;padding:clamp(56px,6vw,80px) 0}
.cta-banner::before{content:"";position:absolute;width:420px;height:420px;right:6%;top:-200px;background:radial-gradient(circle,rgba(255,122,60,.45),transparent 70%);pointer-events:none}
.cta-banner::after{content:"";position:absolute;width:240px;height:240px;left:4%;bottom:-120px;background:radial-gradient(circle,rgba(169,233,75,.3),transparent 70%);pointer-events:none}
.cta-inner{text-align:center;color:#fff;position:relative;z-index:1}
.cta-inner h2{font-size:clamp(28px,3.6vw,40px);font-weight:800;margin-bottom:12px;line-height:1.3}
.cta-inner p{font-size:16px;color:rgba(255,255,255,.88);max-width:600px;margin:0 auto 28px;line-height:1.7}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* FAQ */
.faq-section{padding:var(--space) 0;background:var(--surface)}
.faq-layout{display:grid;grid-template-columns:.85fr 1.4fr;gap:56px;align-items:start}
.faq-left .section-eyebrow{margin-bottom:12px}
.faq-left h2{font-size:clamp(28px,3vw,36px);font-weight:800;color:var(--ink);margin-bottom:16px;line-height:1.3}
.faq-left p{color:var(--muted);font-size:15px;line-height:1.8;margin-bottom:24px}
.faq-right{display:grid;gap:12px}
.faq-item{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;transition:border-color .25s,box-shadow .25s}
.faq-item.active{border-color:var(--brand);box-shadow:0 4px 16px rgba(29,138,92,.08);background:var(--surface)}
.faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;background:none;border:none;font-size:16px;font-weight:600;color:var(--ink);cursor:pointer;text-align:left;transition:color .2s}
.faq-question:hover{color:var(--brand)}
.faq-item.active .faq-question{color:var(--brand)}
.faq-icon{width:28px;height:28px;border-radius:50%;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:transform .3s,background .3s}
.faq-item.active .faq-icon{transform:rotate(45deg);background:var(--accent)}
.faq-icon i{font-size:14px}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-item.active .faq-answer{max-height:300px}
.faq-answer p{padding:0 24px 20px;color:var(--muted);font-size:14px;line-height:1.8}

/* Footer */
.footer{background:var(--dark);color:rgba(255,255,255,.85);padding:64px 0 32px}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-logo{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:800;margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.65);max-width:280px}
.footer h4{color:#fff;font-size:16px;margin-bottom:16px;font-weight:700}
.footer ul{list-style:none;display:grid;gap:10px}
.footer ul a{display:inline-flex;align-items:center;gap:6px;color:rgba(255,255,255,.7);font-size:14px;transition:color .2s}
.footer ul a:hover{color:var(--brand-light)}
.footer ul a i{font-size:11px}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:24px;gap:16px;flex-wrap:wrap}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.6)}
.footer-links{display:flex;gap:18px}
.footer-links a{font-size:13px;color:rgba(255,255,255,.6);transition:color .2s}
.footer-links a:hover{color:var(--brand-light)}

/* Responsive */
@media (max-width:1024px){
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .steps-grid{grid-template-columns:repeat(2,1fr)}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
  .article-hero-art{display:none}
  .article-hero-inner{grid-template-columns:1fr}
}
@media (max-width:768px){
  :root{--space:clamp(48px,10vw,72px)}
  .container{padding:0 16px}
  .nav-wrap{gap:12px;height:64px}
  .logo-text{font-size:17px}
  .logo-icon{width:34px;height:34px;font-size:15px}
  .main-nav{overflow-x:auto;-webkit-overflow-scrolling:touch;justify-content:flex-start;scroll-snap-type:x mandatory;padding-bottom:0;gap:6px}
  .nav-chip{flex-shrink:0;scroll-snap-align:start;padding:8px 14px;font-size:13px}
  .header-cta .nav-cta{padding:8px 16px;font-size:13px}
  .related-grid{grid-template-columns:1fr}
  .steps-grid{grid-template-columns:1fr 1fr;gap:16px}
  .step-item{padding:20px}
  .footer-top{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;text-align:center}
  .article-content{padding:20px 16px}
  .article-summary{padding:16px 18px}
  .article-meta{gap:10px 16px}
  .cta-actions{flex-direction:column;align-items:center}
  .cta-actions .btn{width:100%;max-width:300px}
  .faq-question{font-size:15px;padding:16px 18px}
  .faq-answer p{padding:0 18px 16px}
}
@media (max-width:480px){
  .steps-grid{grid-template-columns:1fr}
  .article-hero{padding-top:32px}
  .article-hero h1{font-size:26px}
  .article-meta span{font-size:13px}
  .breadcrumb{font-size:13px}
  .related-card .related-body{padding:16px 18px 20px}
  .nav-cta{display:none}
  .header-cta{display:none}
  .nav-wrap{justify-content:flex-start}
  .main-nav{flex:1}
}