/* roulang page: index */
:root{
--primary:#3C2F25;--accent:#C9A86A;--bg-light:#F7F3EC;--text-main:#2B211B;
--text-sub:#7A6B5F;--border-light:#E3D1AE;--success:#8BA888;
--radius:16px;--radius-btn:999px;--shadow:0 4px 24px rgba(44,24,16,.08);
--shadow-hover:0 12px 36px rgba(44,24,16,.14);--transition:.25s ease;
--font-serif:'Noto Serif SC','STSong','SimSun',serif;--font-sans:'Noto Sans SC','Microsoft YaHei','PingFang SC',sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-sans);font-size:16px;line-height:1.75;color:var(--text-main);background:var(--bg-light);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color var(--transition)}
ul,ol{list-style:none}
button,input,select,textarea{font:inherit;color:inherit;border:none;outline:none;background:none}
.container{width:100%;max-width:1280px;margin:0 auto;padding-left:24px;padding-right:24px}
.section{padding:96px 0;position:relative}
.badge{display:inline-block;font-size:13px;letter-spacing:.15em;color:var(--accent);font-weight:600;margin-bottom:16px;text-transform:uppercase}
h1,h2,h3{font-family:var(--font-serif);line-height:1.25;color:var(--text-main)}
h2{font-size:30px;font-weight:700;letter-spacing:.02em;margin-bottom:48px}
h3{font-size:20px;font-weight:600;margin-bottom:12px}
p{color:var(--text-sub);line-height:1.75}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 36px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;cursor:pointer;transition:all var(--transition);border:1.5px solid transparent;min-height:48px}
.btn-primary{background:var(--accent);color:var(--primary);border-color:var(--accent)}
.btn-primary:hover{background:#D9BC8A;border-color:#D9BC8A;transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-outline{background:transparent;color:#f7f3ec;border-color:rgba(201,168,106,.7)}
.btn-outline:hover{background:var(--accent);color:var(--primary);border-color:var(--accent);transform:translateY(-2px)}
.btn-gold{background:var(--accent);color:var(--primary);border-radius:var(--radius-btn);padding:16px 48px;font-weight:700;font-size:16px;transition:all var(--transition)}
.btn-gold:hover{background:#D9BC8A;transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.site-header{position:fixed;top:16px;left:0;right:0;z-index:1000;display:flex;justify-content:center;padding:0 24px}
.site-nav{width:100%;max-width:1280px;background:rgba(247,243,236,.88);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid var(--border-light);border-radius:var(--radius-btn);height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 28px;box-shadow:0 4px 24px rgba(44,24,16,.06)}
.brand{font-family:var(--font-serif);font-size:18px;font-weight:700;color:var(--primary);letter-spacing:.02em;white-space:nowrap}
.brand span{color:var(--accent)}
.nav-menu{display:flex;align-items:center;gap:32px}
.nav-menu a{font-size:14px;color:var(--text-sub);font-weight:500;position:relative;padding:6px 0}
.nav-menu a::after{content:'◆';position:absolute;left:50%;bottom:-4px;transform:translateX(-50%) scale(0);font-size:8px;color:var(--accent);transition:transform var(--transition)}
.nav-menu a:hover{color:var(--accent)}
.nav-menu a:hover::after{transform:translateX(-50%) scale(1)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:50%;border:1px solid var(--border-light);justify-content:center;align-items:center;cursor:pointer;background:transparent}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--primary);margin:3px auto;transition:all .3s ease;border-radius:2px}
.hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;overflow:hidden;background-color:var(--primary)}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;z-index:0}
.hero-bg::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(60,47,37,.55) 0,rgba(60,47,37,.7) 60%,rgba(60,47,37,.85) 100%);z-index:1}
.hero-content{position:relative;z-index:2;text-align:center;padding:120px 24px 80px;max-width:1080px;margin:0 auto}
.hero-kicker{display:inline-block;font-size:12px;letter-spacing:.22em;color:#E3D1AE;border:1px solid rgba(227,209,174,.4);border-radius:var(--radius-btn);padding:8px 24px;margin-bottom:24px;font-weight:500}
.hero h1{font-size:52px;color:#F7F3EC;font-weight:700;line-height:1.25;margin-bottom:20px;letter-spacing:.02em}
.hero-sub{font-size:18px;color:var(--accent);font-weight:500;letter-spacing:.08em;margin-bottom:32px;line-height:1.6}
.hero-actions{display:flex;gap:20px;justify-content:center;flex-wrap:wrap;margin-bottom:48px}
.hero-rounds{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.round-chip{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.12em;color:var(--accent);border:1px solid rgba(201,168,106,.5);border-radius:var(--radius-btn);padding:8px 22px;background:rgba(60,47,37,.35);backdrop-filter:blur(6px)}
.round-chip::before{content:'◆';font-size:8px;color:var(--accent)}
.hero-scroll{position:absolute;bottom:32px;left:50%;transform:translateX(-50%);z-index:2;color:rgba(247,243,236,.6);font-size:22px;animation:bounce 2s infinite;text-align:center}
@keyframes bounce{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,8px)}}
.pain-section{background:var(--bg-light);position:relative}
.pain-section::before{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(201,168,106,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(201,168,106,.04) 1px,transparent 1px);background-size:24px 24px;pointer-events:none}
.pain-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;max-width:1080px;margin:0 auto;position:relative}
.pain-card{background:#fff;border:1px solid var(--border-light);border-radius:var(--radius);padding:32px 28px;position:relative;box-shadow:var(--shadow);transition:transform var(--transition),box-shadow var(--transition)}
.pain-card::before,.pain-card::after{content:'';position:absolute;width:18px;height:18px;border-color:var(--accent);border-style:solid}
.pain-card::before{top:-2px;left:-2px;border-width:2px 0 0 2px;border-radius:10px 0 0 0}
.pain-card::after{bottom:-2px;right:-2px;border-width:0 2px 2px 0;border-radius:0 0 10px 0}
.pain-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.pain-card::marker{display:none}
.pain-icon{width:52px;height:52px;border-radius:14px;background:rgba(201,168,106,.12);display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:18px;color:var(--accent)}
.pain-card h3{font-size:18px;margin-bottom:8px}
.pain-card p{font-size:14px;color:var(--text-sub);line-height:1.7}
.pain-line{width:42px;height:3px;background:var(--accent);border-radius:2px;margin-top:16px}
.pain-card:nth-child(2){transform:translateY(24px)}
.pain-card:nth-child(3){transform:translateY(-12px)}
.pain-card:nth-child(4){transform:translateY(12px)}
.solution-section{background:#EFE9DF;position:relative}
.solution-wrap{max-width:1080px;margin:0 auto}
.solution-card{display:flex;gap:40px;align-items:center;margin-bottom:56px;background:#fff;border:1px solid var(--border-light);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow);transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition)}
.solution-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(201,168,106,.6)}
.solution-card:nth-child(even){flex-direction:row-reverse}
.solution-media{flex:0 0 42%;max-width:42%;position:relative;overflow:hidden;border-radius:12px}
.solution-media img{width:100%;height:280px;object-fit:cover;transition:transform .6s ease}
.solution-card:hover .solution-media img{transform:scale(1.03)}
.solution-body{flex:1}
.solution-body .badge{font-size:12px;color:var(--accent);font-weight:600;letter-spacing:.12em;display:inline-flex;align-items:center;gap:6px;margin-bottom:8px}
.solution-body .badge::before{content:'';width:28px;height:2px;background:var(--accent);border-radius:2px;display:inline-block}
.solution-body h3{font-size:22px;margin-bottom:12px}
.solution-body p{font-size:14.5px;color:var(--text-sub);line-height:1.75;margin-bottom:8px}
.solution-list{margin-top:12px}
.solution-list li{display:flex;align-items:flex-start;gap:10px;padding:6px 0;font-size:14px;color:var(--text-sub)}
.solution-list li::before{content:'◆';font-size:10px;color:var(--accent);flex-shrink:0;margin-top:3px}
.caption{font-size:12px;color:var(--text-sub);margin-top:8px;line-height:1.6;text-align:center}
.result-section{background:var(--primary);color:#F7F3EC;position:relative;overflow:hidden}
.result-section::before{content:'';position:absolute;inset:0;background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.015) 0,rgba(255,255,255,.015) 1px,transparent 1px,transparent 12px);pointer-events:none}
.result-section .badge{color:#D9BC8A}
.result-section h2{color:#F7F3EC}
.result-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:24px;max-width:1080px;margin:0 auto;position:relative;z-index:1}
.result-card{background:rgba(255,255,255,.05);border:1px solid rgba(201,168,106,.25);border-radius:var(--radius);padding:40px 32px;display:flex;flex-direction:column;justify-content:center;position:relative;transition:all var(--transition)}
.result-card:hover{background:rgba(255,255,255,.08);transform:translateY(-4px)}
.result-card:first-child{grid-row:span 2}
.result-number{font-family:var(--font-serif);font-size:64px;font-weight:700;color:var(--accent);line-height:1.1;margin-bottom:8px}
.result-card:first-child .result-number{font-size:88px}
.result-label{font-size:15px;color:rgba(247,243,236,.7);letter-spacing:.04em}
.result-line{width:36px;height:2px;background:var(--accent);margin-top:16px}
.result-win{position:absolute;bottom:12px;right:16px;font-size:22px;color:var(--accent);opacity:.55;font-family:var(--font-serif)}
.testimonial-section{background:var(--bg-light);position:relative}
.testimonial-section::before{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(201,168,106,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(201,168,106,.03) 1px,transparent 1px);background-size:20px 20px;pointer-events:none}
.testimonial-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:28px;max-width:1080px;margin:0 auto;position:relative}
.testimonial-card{background:#FDFAF4;border:1px solid rgba(201,168,106,.5);border-radius:var(--radius);padding:36px 30px;position:relative;display:flex;flex-direction:column;justify-content:space-between;transition:all var(--transition)}
.testimonial-card:first-child{grid-row:span 2}
.testimonial-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.quote-icon{font-family:var(--font-serif);font-size:64px;color:var(--accent);line-height:1;height:40px;margin-bottom:12px;display:block}
.testimonial-card p{font-size:15px;line-height:1.85;color:var(--text-main);margin-bottom:24px;flex:1}
.testimonial-meta{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}
.client-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;background:var(--bg-light);border:1px solid var(--border-light);border-radius:var(--radius-btn);padding:6px 18px;color:var(--text-sub);font-weight:500}
.client-name{font-size:14px;color:var(--text-main);font-weight:600}
.stars{color:var(--accent);font-size:15px;letter-spacing:2px}
.faq-section{background:#EFE9DF}
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--border-light);transition:background var(--transition)}
.faq-item:first-child{border-top:1px solid var(--border-light)}
.faq-item:hover{background:rgba(201,168,106,.04)}
.faq-question{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:24px 8px;cursor:pointer;font-size:16px;font-weight:600;color:var(--text-main);transition:color var(--transition);background:transparent;text-align:left;width:100%}
.faq-question:hover{color:var(--accent)}
.faq-icon{flex-shrink:0;width:32px;height:32px;border-radius:50%;border:1px solid var(--accent);display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--accent);transition:all .3s ease;font-weight:400}
.faq-item.active .faq-icon{transform:rotate(45deg);background:var(--accent);color:var(--primary)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s ease;padding:0 8px}
.faq-answer-inner{padding:0 8px 24px;color:var(--text-sub);font-size:14.5px;line-height:1.7}
.cta-section{background:var(--primary);padding:100px 0;position:relative;overflow:hidden}
.cta-section::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--accent),transparent)}
.cta-section::after{content:'';position:absolute;inset:0;background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.012) 0,rgba(255,255,255,.012) 1px,transparent 1px,transparent 8px);pointer-events:none}
.cta-inner{position:relative;z-index:1;max-width:760px;margin:0 auto;text-align:center;padding:0 24px}
.cta-inner h2{color:#F7F3EC;font-size:36px;margin-bottom:16px}
.cta-inner p{color:rgba(247,243,236,.75);font-size:16px;margin-bottom:40px;line-height:1.7}
.cta-form{display:flex;flex-direction:column;gap:16px;max-width:520px;margin:0 auto}
.cta-form-row{display:flex;gap:14px}
.cta-form input{flex:1;height:48px;border-radius:var(--radius-btn);border:1px solid rgba(201,168,106,.5);background:transparent;padding:0 24px;font-size:14px;color:#F7F3EC;transition:all var(--transition)}
.cta-form input::placeholder{color:rgba(247,243,236,.5)}
.cta-form input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(201,168,106,.2),inset 0 0 12px rgba(201,168,106,.08)}
.cta-form .btn-gold{width:100%;margin-top:8px;cursor:pointer;border:none}
.form-tip{font-size:12px;color:rgba(247,243,236,.5);margin-top:12px;letter-spacing:.03em}
.form-success{display:none;background:rgba(139,168,136,.15);border:1px solid rgba(139,168,136,.5);border-radius:12px;padding:16px 20px;color:#A8CCAB;font-size:14px;margin-top:16px}
.site-footer{background:#241D16;color:rgba(247,243,236,.7);padding:56px 0 32px;position:relative}
.site-footer::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:rgba(201,168,106,.4)}
.footer-inner{max-width:1280px;margin:0 auto;padding:0 24px}
.footer-top{display:flex;justify-content:space-between;align-items:flex-start;gap:40px;padding-bottom:40px;flex-wrap:wrap}
.footer-brand{max-width:400px}
.footer-brand h3{font-family:var(--font-serif);font-size:20px;color:#F7F3EC;margin-bottom:8px}
.footer-brand p{font-size:14px;color:rgba(247,243,236,.55);line-height:1.7}
.footer-cols{display:flex;gap:64px;flex-wrap:wrap}
.footer-col h4{font-size:13px;letter-spacing:.14em;color:var(--accent);margin-bottom:18px;font-weight:600}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14px;color:rgba(247,243,236,.6);transition:color var(--transition)}
.footer-col ul a:hover{color:var(--accent)}
.footer-col p{font-size:14px;color:rgba(247,243,236,.6);line-height:1.8}
.footer-bottom{border-top:1px solid rgba(201,168,106,.4);padding-top:24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;font-size:13px;color:rgba(247,243,236,.5)}
.footer-bottom a{color:rgba(247,243,236,.6)}
.footer-bottom a:hover{color:var(--accent)}
@media(max-width:1024px){
.hero h1{font-size:42px}
.solution-card{flex-direction:column!important;padding:24px}
.solution-media{flex:none;max-width:100%;width:100%}
.solution-media img{height:220px}
.result-grid{grid-template-columns:1fr 1fr}
.result-card:first-child{grid-row:auto}
.testimonial-grid{grid-template-columns:1fr 1fr}
.testimonial-card:first-child{grid-row:auto}
.section{padding:80px 0}
}
@media(max-width:768px){
.site-header{top:10px;padding:0 16px}
.site-nav{height:56px;padding:0 20px}
.nav-menu{display:none;position:absolute;top:64px;left:16px;right:16px;background:rgba(247,243,236,.97);backdrop-filter:blur(16px);border:1px solid var(--border-light);border-radius:20px;flex-direction:column;align-items:flex-start;padding:20px 24px;gap:0;box-shadow:var(--shadow-hover)}
.nav-menu.open{display:flex}
.nav-menu li{width:100%}
.nav-menu a{display:block;padding:12px 0;font-size:15px;border-bottom:1px solid rgba(227,209,174,.4);width:100%}
.nav-menu li:last-child a{border-bottom:none}
.nav-toggle{display:flex}
.hero h1{font-size:32px}
.hero-sub{font-size:16px}
.hero-actions{flex-direction:column;align-items:center}
.hero-actions .btn{width:100%;max-width:320px}
.pain-grid{grid-template-columns:1fr;gap:20px}
.pain-card:nth-child(2),.pain-card:nth-child(3),.pain-card:nth-child(4){transform:none}
.result-grid{grid-template-columns:1fr}
.testimonial-grid{grid-template-columns:1fr}
.cta-form-row{flex-direction:column}
.footer-top{flex-direction:column;gap:32px}
.footer-cols{width:100%;gap:32px}
.section{padding:64px 0}
h2{font-size:26px;margin-bottom:32px}
}
@media(max-width:520px){
.container{padding-left:16px;padding-right:16px}
.site-nav{padding:0 16px}
.brand{font-size:15px}
.hero h1{font-size:28px}
.hero-sub{font-size:14px;letter-spacing:.05em}
.hero-rounds{gap:8px}
.round-chip{font-size:12px;padding:6px 16px}
.solution-media img{height:180px}
.solution-card{padding:18px}
.result-card{padding:28px 20px}
.result-number{font-size:48px}
.result-card:first-child .result-number{font-size:64px}
.testimonial-card{padding:24px 18px}
.faq-question{font-size:14.5px;padding:18px 4px}
.cta-inner h2{font-size:28px}
.footer-cols{flex-direction:column;gap:24px}
}