/* roulang page: index */
:root{
  --bg-primary:#161310;
  --bg-secondary:#201B16;
  --bg-body:#15120F;
  --bg-card:#1E1915;
  --bg-card-dark:#171310;
  --primary:#582B1A;
  --primary-light:#6B3A24;
  --accent:#C89B6C;
  --accent-light:#E0B583;
  --green:#4E6B5A;
  --green-light:#6B8A76;
  --text-main:#F0EDE8;
  --text-sec:#B7AD9F;
  --text-weak:#857A6D;
  --border-line:#3A2E24;
  --border-light:#4A3A2C;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-input:8px;
  --radius-badge:999px;
  --shadow-card:0 6px 24px rgba(0,0,0,0.35);
  --shadow-hover:0 10px 32px rgba(0,0,0,0.5);
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",system-ui,-apple-system,sans-serif;
  --spacer-section:4.5rem;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-cn);background:var(--bg-body);color:var(--text-main);line-height:1.75;font-size:1rem}
a{text-decoration:none;color:inherit;transition:color .25s ease}
a:hover{color:var(--accent)}
img{max-width:100%;display:block}
button{font-family:inherit}
h1,h2,h3,h4,h5,h6{font-family:var(--font-cn);line-height:1.35;letter-spacing:.02em}
.container{max-width:1200px;padding-left:1.25rem;padding-right:1.25rem}
.accordion-button:focus{box-shadow:none}
.accordion-button:not(.collapsed){background:none;box-shadow:none}
.form-control:focus{border-color:var(--accent)!important;box-shadow:0 0 0 .2rem rgba(200,155,108,.15)!important}
.form-control,.form-select{border-radius:var(--radius-input);border:1px solid var(--border-light);background:rgba(255,255,255,.08);color:var(--text-main);padding:.6rem 1rem;transition:border .2s,box-shadow .2s}
.form-control::placeholder{color:var(--text-weak)}
.form-control:focus,.form-select:focus{background:rgba(255,255,255,.1);border-color:var(--accent);box-shadow:0 0 0 .2rem rgba(200,155,108,.15)}
.form-select option{background:var(--bg-secondary);color:var(--text-main)}
.btn{border-radius:var(--radius-btn);font-weight:600;letter-spacing:.03em;transition:all .25s ease}
.btn:focus{box-shadow:0 0 0 .2rem rgba(200,155,108,.3)}
.btn-amber{background:var(--accent);border:none;color:#1A1208;padding:.65rem 1.35rem}
.btn-amber:hover{background:var(--accent-light);color:#1A1208;transform:translateY(-2px);box-shadow:0 6px 20px rgba(200,155,108,.3)}
.btn-amber:active{transform:translateY(0);box-shadow:none}
.btn-outline-amber{background:transparent;border:1.5px solid var(--accent);color:var(--accent);padding:.65rem 1.35rem}
.btn-outline-amber:hover{background:rgba(200,155,108,.1);border-color:var(--accent-light);color:var(--accent-light);transform:translateY(-2px)}
.btn-outline-amber:active{transform:translateY(0)}
.btn-lg{padding:.8rem 1.8rem;font-size:1.05rem;border-radius:12px}

.topbar{background:#0E0C0A;height:38px;display:flex;align-items:center;font-size:.75rem;color:var(--text-weak);border-bottom:1px solid rgba(255,255,255,.04)}
.topbar .container{display:flex;justify-content:space-between;align-items:center}
.topbar .topbar-domain{font-family:monospace;letter-spacing:.05em;color:var(--text-weak)}
.topbar .topbar-right{display:flex;align-items:center;gap:.75rem}
.topbar .topbar-right .topbar-text{color:var(--text-weak)}
.topbar .topbar-right a{color:var(--accent);font-weight:500}
.topbar .topbar-right a:hover{color:var(--accent-light)}

.main-nav{background:rgba(22,19,16,.88);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border-line);padding:0;z-index:1050}
.navbar-brand{display:flex;align-items:center;gap:.5rem;padding:.65rem 0}
.navbar-brand .brand-icon{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--primary-light));display:flex;align-items:center;justify-content:center;color:var(--accent);font-size:1.1rem}
.navbar-brand .brand-text{display:flex;flex-direction:column;line-height:1.2}
.navbar-brand .brand-text .brand-main{font-weight:700;font-size:1.15rem;color:var(--text-main);letter-spacing:.02em}
.navbar-brand .brand-text .brand-sub{font-size:.72rem;color:var(--text-sec);letter-spacing:.05em}
.main-nav .nav-link{color:var(--text-sec);font-weight:500;padding:.7rem .9rem!important;position:relative;transition:color .25s}
.main-nav .nav-link:hover{color:var(--accent)}
.main-nav .nav-link.active{color:var(--accent)}
.main-nav .nav-link.active::after{content:'';position:absolute;left:.9rem;right:.9rem;bottom:.25rem;height:2px;background:var(--accent);border-radius:2px}
.nav-cta{margin-left:.75rem}
.navbar-toggler{border:1px solid var(--border-light);border-radius:8px;padding:.45rem .75rem;color:var(--text-main)}
.navbar-toggler:focus{box-shadow:0 0 0 .2rem rgba(200,155,108,.2)}
.navbar-toggler-icon{background-image:none;position:relative;width:20px;height:20px}
.navbar-toggler-icon::before,.navbar-toggler-icon::after{content:'';position:absolute;left:0;width:20px;height:2px;background:var(--text-main);border-radius:2px;transition:all .3s}
.navbar-toggler-icon::before{top:4px}
.navbar-toggler-icon::after{bottom:4px}
.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon::before{transform:translateY(5px) rotate(45deg)}
.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon::after{transform:translateY(-5px) rotate(-45deg)}
.offcanvas-collapse{background:rgba(22,19,16,.97)!important;border-top:1px solid var(--border-line)}

.hero{position:relative;min-height:92vh;display:flex;align-items:center;background:url('/assets/images/backpic/back-1.jpg') center center/cover no-repeat;padding:5rem 0 6rem;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:linear-gradient(to bottom,rgba(22,19,16,.7) 0%,rgba(22,19,16,.4) 30%,rgba(22,19,16,.85) 85%,var(--bg-body) 100%);z-index:1}
.hero::after{content:'';position:absolute;inset:0;background:linear-gradient(to right,rgba(22,19,16,.75) 0%,transparent 100%);z-index:1}
.hero .container{position:relative;z-index:2}
.hero-content{max-width:620px}
.hero-content .hero-h1{font-size:2.65rem;font-weight:700;line-height:1.3;margin-bottom:1.25rem;color:var(--text-main)}
.hero-content .hero-h1 .highlight{color:var(--accent)}
.hero-content .hero-sub{font-size:1.05rem;color:var(--text-sec);line-height:1.8;margin-bottom:2rem}
.hero-content .hero-btns{display:flex;flex-wrap:wrap;gap:.9rem}
.hero-card{background:rgba(30,25,21,.65);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.08);border-radius:16px;padding:1.1rem;position:relative}
.hero-card .hero-card-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:.8rem}
.hero-card .hero-card-top .label{font-size:.72rem;color:var(--text-weak);text-transform:uppercase;letter-spacing:.05em}
.hero-card .hero-card-top .badge{background:var(--green);color:#fff;border-radius:var(--radius-badge);padding:.25rem .7rem;font-size:.7rem;font-weight:600}
.hero-card-item{display:flex;align-items:center;gap:.85rem;padding:.6rem 0;border-bottom:1px solid rgba(255,255,255,.06)}
.hero-card-item:last-child{border-bottom:none}
.hero-card-item .thumb{width:44px;height:44px;border-radius:10px;object-fit:cover;flex-shrink:0}
.hero-card-item .info{flex:1;min-width:0}
.hero-card-item .info .name{font-size:.9rem;font-weight:600;color:var(--text-main);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hero-card-item .info .meta{font-size:.72rem;color:var(--text-weak)}
.hero-card-item .status{font-size:.72rem;color:var(--green-light);white-space:nowrap}
.hero-card-link{display:inline-block;margin-top:.6rem;font-size:.8rem;color:var(--accent);font-weight:500}
.hero-card-link:hover{color:var(--accent-light)}

.stats-section{background:var(--bg-secondary);border-top:1px solid var(--border-line);border-bottom:1px solid var(--border-line);padding:3.2rem 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:2rem}
.stats-item{text-align:center;padding:.5rem}
.stats-item .stat-icon{width:46px;height:46px;border-radius:12px;background:rgba(200,155,108,.1);border:1px solid rgba(200,155,108,.2);display:inline-flex;align-items:center;justify-content:center;font-size:1.1rem;color:var(--accent);margin-bottom:.8rem}
.stats-item .stat-number{font-size:2.4rem;font-weight:700;color:var(--text-main);line-height:1.2;letter-spacing:.01em}
.stats-item .stat-number .unit{font-size:1.1rem;color:var(--accent);font-weight:600;margin-left:.2rem}
.stats-item .stat-label{font-size:.8rem;color:var(--text-weak);margin-top:.2rem}
.stats-note{text-align:center;font-size:.8rem;color:var(--text-weak);margin-top:2rem;padding-top:1.5rem;border-top:1px solid rgba(255,255,255,.05)}

.section-block{padding:var(--spacer-section) 0}
.section-head{text-align:center;max-width:720px;margin:0 auto 3rem}
.section-head .section-tag{display:inline-block;background:rgba(200,155,108,.12);border:1px solid rgba(200,155,108,.2);color:var(--accent);font-size:.78rem;border-radius:var(--radius-badge);padding:.3rem 1rem;margin-bottom:1rem;font-weight:500}
.section-head h2{font-size:2rem;font-weight:700;color:var(--text-main);margin-bottom:.8rem}
.section-head p{color:var(--text-sec);font-size:.95rem}

.services-section{background:var(--bg-body)}
.services-grid .card-standard{background:var(--bg-card);border:1px solid var(--border-line);border-radius:var(--radius-card);overflow:hidden;transition:transform .3s ease,border-color .3s,box-shadow .3s;height:100%}
.services-grid .card-standard:hover{transform:translateY(-4px);border-color:rgba(200,155,108,.4);box-shadow:var(--shadow-hover)}
.services-grid .card-cover{position:relative;height:190px;overflow:hidden}
.services-grid .card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card-standard:hover .card-cover img{transform:scale(1.03)}
.card-cover .cover-badge{position:absolute;top:12px;left:12px;background:rgba(0,0,0,.65);backdrop-filter:blur(4px);border-radius:var(--radius-badge);padding:.2rem .7rem;font-size:.7rem;color:var(--text-main);font-weight:500}
.card-cover .cover-rating{position:absolute;bottom:12px;right:12px;background:rgba(0,0,0,.65);backdrop-filter:blur(4px);border-radius:var(--radius-badge);padding:.2rem .7rem;font-size:.72rem;color:var(--accent);font-weight:600}
.card-body-custom{padding:1.25rem}
.card-body-custom .card-title{font-size:1.15rem;font-weight:600;color:var(--text-main);margin-bottom:.5rem}
.card-body-custom .card-meta{display:flex;flex-wrap:wrap;gap:.4rem .8rem;font-size:.75rem;color:var(--text-weak);margin-bottom:.7rem}
.card-body-custom .card-meta span{display:flex;align-items:center;gap:.3rem}
.card-body-custom .card-desc{font-size:.85rem;color:var(--text-sec);line-height:1.6;margin-bottom:1rem}
.card-body-custom .card-footer-line{display:flex;justify-content:space-between;align-items:center;border-top:1px solid rgba(255,255,255,.06);padding-top:.8rem}
.card-body-custom .card-price{font-size:.9rem;color:var(--text-main);font-weight:600}
.card-body-custom .card-price small{font-size:.72rem;color:var(--text-weak);font-weight:400}
.card-body-custom .btn-sm-custom{background:transparent;border:1px solid var(--accent);color:var(--accent);border-radius:8px;padding:.35rem 1rem;font-size:.8rem;transition:all .25s}
.card-body-custom .btn-sm-custom:hover{background:var(--accent);color:#1A1208}
.services-grid .card-large .card-cover{height:250px}
.services-grid .card-large .card-title{font-size:1.35rem}

.comparison-section{background:var(--bg-secondary);border-top:1px solid var(--border-line);border-bottom:1px solid var(--border-line)}
.comparison-wrap{position:relative;display:flex;align-items:stretch;gap:2.5rem;max-width:1000px;margin:0 auto}
.comparison-card{flex:1;background:var(--bg-card);border-radius:var(--radius-card);padding:2rem 1.8rem;border:1px solid var(--border-line)}
.comparison-card .vs-title{font-size:1.1rem;font-weight:600;margin-bottom:1.2rem;display:flex;align-items:center;gap:.6rem}
.comparison-card .vs-title i{font-size:1.3rem}
.comparison-card-left{border-color:var(--border-line);background:rgba(30,25,21,.5)}
.comparison-card-left .vs-title{color:var(--text-sec)}
.comparison-card-right{border-color:rgba(78,107,90,.5);background:rgba(78,107,90,.03)}
.comparison-card-right .vs-title{color:var(--green-light)}
.comparison-list{list-style:none;padding:0;margin:0}
.comparison-list li{display:flex;align-items:flex-start;gap:.7rem;padding:.45rem 0;font-size:.88rem;color:var(--text-sec);line-height:1.5}
.comparison-list li .icon-check{color:var(--green-light);font-size:.85rem;margin-top:.2rem}
.comparison-list li .icon-times{color:var(--text-weak);font-size:.85rem;margin-top:.2rem}
.comparison-list li .text-invalid{color:var(--text-weak);text-decoration:line-through;text-decoration-color:rgba(255,255,255,.2)}
.comparison-tag{margin-top:1.4rem;padding:.5rem .9rem;border-radius:8px;font-size:.78rem;background:rgba(255,255,255,.05);color:var(--text-weak);display:inline-block}
.comparison-card-right .comparison-tag{background:rgba(78,107,90,.15);color:var(--green-light)}
.vs-badge{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:64px;height:64px;border-radius:50%;background:var(--bg-secondary);border:1px solid var(--accent);display:flex;align-items:center;justify-content:center;font-size:.9rem;font-weight:700;color:var(--accent);z-index:2;box-shadow:var(--shadow-card)}
.vs-badge .vs-badge-inner{width:52px;height:52px;border-radius:50%;border:1px solid rgba(200,155,108,.3);display:flex;align-items:center;justify-content:center}

.faq-section{background:var(--bg-body)}
.faq-accordion{max-width:820px;margin:0 auto}
.faq-accordion .accordion-item{background:var(--bg-card);border:1px solid var(--border-line)!important;border-radius:12px!important;margin-bottom:.8rem;overflow:hidden}
.faq-accordion .accordion-item:first-of-type{border-radius:12px!important}
.faq-accordion .accordion-button{background:var(--bg-card);color:var(--text-main);padding:1.1rem 1.4rem;font-size:.95rem;font-weight:500;border:none;transition:color .2s}
.faq-accordion .accordion-button::after{background-image:none;font-family:"Font Awesome 6 Free";content:"\f078";font-weight:900;color:var(--accent);transition:transform .25s}
.faq-accordion .accordion-button:not(.collapsed){color:var(--accent);background:var(--bg-card)}
.faq-accordion .accordion-button:not(.collapsed)::after{transform:rotate(180deg)}
.faq-accordion .accordion-button:focus{box-shadow:none}
.faq-accordion .accordion-body{background:rgba(255,255,255,.03);color:var(--text-sec);font-size:.88rem;line-height:1.8;padding:1.2rem 1.4rem 1.4rem;border-top:1px solid rgba(255,255,255,.05)}

.booking-section{background:var(--bg-secondary);border-top:1px solid var(--border-line)}
.booking-grid{display:grid;grid-template-columns:1fr 340px;gap:2rem;align-items:start}
.booking-form-card{background:var(--bg-card);border-radius:var(--radius-card);padding:2rem;border:1px solid var(--border-line)}
.booking-form-card .form-label{font-size:.8rem;color:var(--text-sec);font-weight:500;margin-bottom:.35rem}
.booking-form-card .form-control,.booking-form-card .form-select{background:rgba(255,255,255,.06);border-color:var(--border-light);border-radius:8px;color:var(--text-main);padding:.6rem .9rem;font-size:.88rem}
.booking-form-card .form-control:focus,.booking-form-card .form-select:focus{background:rgba(255,255,255,.08);border-color:var(--accent);box-shadow:0 0 0 .2rem rgba(200,155,108,.1)}
.booking-form-card .form-select{background-color:var(--bg-secondary)}
.booking-form-card .form-select option{background:var(--bg-secondary)}
.booking-form-card .form-success{border:1px solid rgba(78,107,90,.5);background:rgba(78,107,90,.15);color:var(--green-light);border-radius:8px;padding:.8rem 1rem;font-size:.85rem}
.booking-side{display:flex;flex-direction:column;gap:1.2rem}
.booking-side-card{background:var(--bg-card);border-radius:var(--radius-card);padding:1.5rem;border:1px solid var(--border-line)}
.booking-side-card .side-title{font-size:.95rem;font-weight:600;color:var(--text-main);margin-bottom:.8rem;display:flex;align-items:center;gap:.5rem}
.booking-side-card .side-title i{color:var(--accent)}
.booking-side-card .side-text{font-size:.82rem;color:var(--text-sec);line-height:1.7}
.booking-side-card .side-hours{font-size:.82rem;color:var(--text-sec)}
.booking-steps{list-style:none;padding:0;margin:0;counter-reset:step}
.booking-steps li{counter-increment:step;position:relative;padding-left:2.2rem;padding-bottom:1rem;font-size:.82rem;color:var(--text-sec)}
.booking-steps li::before{content:counter(step);position:absolute;left:0;top:0;width:28px;height:28px;border-radius:50%;background:rgba(200,155,108,.15);border:1px solid rgba(200,155,108,.3);color:var(--accent);font-size:.75rem;font-weight:600;display:flex;align-items:center;justify-content:center}
.booking-steps li:last-child{padding-bottom:0}

.footer{background:#0E0C0A;border-top:1px solid var(--border-line);padding:3.5rem 0 0}
.footer-top{display:grid;grid-template-columns:1.2fr 2fr;gap:2.5rem;padding-bottom:2.5rem;border-bottom:1px solid rgba(255,255,255,.06)}
.footer-brand .footer-logo{font-size:1.3rem;font-weight:700;color:var(--text-main);margin-bottom:.6rem}
.footer-brand .footer-logo span{color:var(--accent)}
.footer-brand .footer-desc{font-size:.85rem;color:var(--text-sec);line-height:1.7}
.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem}
.footer-links .group-title{font-size:.85rem;font-weight:600;color:var(--text-main);margin-bottom:.8rem}
.footer-links ul{list-style:none;padding:0;margin:0}
.footer-links ul li{margin-bottom:.45rem}
.footer-links ul a{font-size:.8rem;color:var(--text-sec)}
.footer-links ul a:hover{color:var(--accent)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding:1.5rem 0 2rem;flex-wrap:wrap;gap:.8rem}
.footer-bottom .copyright{font-size:.75rem;color:var(--text-weak)}
.footer-bottom .icp{font-size:.7rem;color:var(--text-weak)}

@media(max-width:991px){
  .hero{min-height:80vh;padding:4rem 0 5rem}
  .hero-content .hero-h1{font-size:2.1rem}
  .hero-card{margin-top:2rem}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .comparison-wrap{flex-direction:column;gap:1.8rem}
  .vs-badge{position:static;transform:none;width:56px;height:56px;margin:0 auto;flex-shrink:0}
  .vs-badge .vs-badge-inner{width:44px;height:44px}
  .booking-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .footer-links{grid-template-columns:repeat(2,1fr)}
  .nav-cta{margin-left:0}
}
@media(max-width:767px){
  .topbar .topbar-text{display:none}
  .hero-content .hero-h1{font-size:1.8rem}
  .hero-content .hero-sub{font-size:.93rem}
  .section-block{padding:3.2rem 0}
  .section-head h2{font-size:1.6rem}
  .stats-grid{gap:1rem}
  .stats-item .stat-number{font-size:1.9rem}
  .footer-links{grid-template-columns:1fr 1fr}
  .footer-bottom{flex-direction:column;text-align:center}
  .booking-form-card{padding:1.4rem}
  .comparison-card{padding:1.5rem}
}
@media(max-width:520px){
  .hero-content .hero-h1{font-size:1.5rem}
  .hero-content .hero-btns{flex-direction:column}
  .hero-content .hero-btns .btn{width:100%}
  .stats-grid{grid-template-columns:1fr 1fr;gap:.6rem}
  .stats-item .stat-number{font-size:1.5rem}
  .footer-links{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
}