/* roulang page: index */
/* ===== 设计变量 ===== */
:root{
--primary:#C97B46;
--primary-hover:#D98C55;
--primary-light:#E0B28A;
--bg-main:#101413;
--bg-card:#191F1D;
--bg-footer:#0C0F0E;
--text-main:#F2EDE6;
--text-sub:#9AA39E;
--border:rgba(255,255,255,.08);
--border-main:rgba(201,123,70,.4);
--radius-card:12px;
--radius-btn:8px;
--radius-tag:999px;
--shadow-card:0 4px 20px rgba(0,0,0,.3);
--shadow-hover:0 12px 32px rgba(0,0,0,.45);
--font-main:'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
--container-w:1200px;
--sect-pad:96px;
--sect-pad-m:64px;
--nav-h:72px;
--nav-h-m:60px;
}
/* ===== 基础Reset ===== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-main);background:var(--bg-main);color:var(--text-main);font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit;transition:color .2s ease}
ul,ol{list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;border:none;outline:none;background:transparent}
input::placeholder,textarea::placeholder{color:rgba(154,163,158,.6)}
/* ===== 容器 ===== */
.container{max-width:var(--container-w);margin:0 auto;padding:0 24px}
/* ===== 导航 ===== */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--nav-h);background:transparent;transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;border-bottom:1px solid transparent}
.site-header.scrolled{background:rgba(16,20,19,.92);border-bottom-color:var(--border);box-shadow:0 4px 24px rgba(0,0,0,.3)}
.header-inner{max-width:var(--container-w);margin:0 auto;padding:0 24px;height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px;color:var(--text-main);white-space:nowrap}
.logo-icon{width:34px;height:34px;border-radius:8px;background:linear-gradient(135deg,var(--primary),var(--primary-light));display:flex;align-items:center;justify-content:center;font-size:16px;color:#fff;flex-shrink:0}
.logo span{letter-spacing:1px}
.main-nav{display:flex;align-items:center;gap:8px}
.main-nav a{color:var(--text-sub);font-size:15px;padding:8px 14px;border-radius:6px;transition:color .2s,border-color .2s;position:relative}
.main-nav a::after{content:'';position:absolute;bottom:2px;left:50%;transform:translateX(-50%);width:0;height:2px;background:var(--primary);transition:width .2s ease}
.main-nav a:hover{color:var(--text-main)}
.main-nav a:hover::after{width:24px}
.main-nav a.active{color:var(--text-main)}
.main-nav a.active::after{width:24px}
.header-cta{display:flex;align-items:center;gap:16px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 24px;border-radius:var(--radius-btn);font-weight:500;font-size:15px;cursor:pointer;transition:all .25s ease;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-hover);transform:translateY(-2px);box-shadow:0 6px 20px rgba(201,123,70,.3)}
.btn-primary:active{transform:translateY(0)}
.btn-primary:focus-visible{outline:2px solid var(--primary-light);outline-offset:2px}
.btn-outline{background:transparent;color:var(--text-main);border:1px solid var(--border-main)}
.btn-outline:hover{background:rgba(201,123,70,.1);border-color:var(--primary)}
.btn-outline:active{transform:translateY(0)}
.btn-outline:focus-visible{outline:2px solid var(--primary-light);outline-offset:2px}
.header-cta .btn{padding:8px 20px;font-size:14px}
.nav-toggle{display:none;cursor:pointer;width:40px;height:40px;align-items:center;justify-content:center;font-size:22px;color:var(--text-main);border-radius:6px}
.nav-toggle:hover{background:rgba(255,255,255,.06)}
/* 移动端菜单 */
@media(max-width:1024px){
.main-nav{position:fixed;top:var(--nav-h);left:0;right:0;background:rgba(16,20,19,.97);flex-direction:column;align-items:flex-start;padding:16px 24px 24px;gap:4px;opacity:0;visibility:hidden;transform:translateY(-8px);transition:all .3s ease;border-bottom:1px solid var(--border);box-shadow:0 12px 32px rgba(0,0,0,.4)}
.main-nav.open{opacity:1;visibility:visible;transform:translateY(0)}
.main-nav a{padding:12px 0;font-size:20px;width:100%;border-bottom:1px solid rgba(255,255,255,.05)}
.main-nav a::after{display:none}
.nav-toggle{display:flex}
.header-cta .btn-cta{display:none}
}
/* ===== Hero ===== */
.hero{position:relative;min-height:76vh;display:flex;align-items:center;background-image:url('/assets/images/backpic/back-1.jpg');background-size:cover;background-position:center;padding:var(--nav-h) 0 0}
.hero::before{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(16,20,19,.88) 0%,rgba(16,20,19,.55) 50%,rgba(16,20,19,.35) 100%)}
.hero .container{position:relative;z-index:2;width:100%}
.hero-content{max-width:680px;padding:80px 0 120px}
.hero-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(201,123,70,.15);border:1px solid rgba(201,123,70,.3);color:var(--primary-light);font-size:13px;padding:6px 16px;border-radius:var(--radius-tag);margin-bottom:24px;letter-spacing:.5px}
.hero h1{font-size:56px;line-height:1.2;font-weight:700;margin-bottom:20px;color:var(--text-main);letter-spacing:1px}
.hero h1 .highlight{color:var(--primary-light)}
.hero-sub{font-size:17px;color:var(--text-sub);line-height:1.8;max-width:520px;margin-bottom:32px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:56px}
.hero-mini-data{display:flex;gap:0;border:1px solid var(--border);border-radius:var(--radius-card);background:rgba(16,20,19,.65);backdrop-filter:blur(6px);overflow:hidden;max-width:440px}
.hero-mini-item{padding:16px 24px;flex:1;text-align:center;border-right:1px solid var(--border)}
.hero-mini-item:last-child{border-right:none}
.hero-mini-num{font-size:24px;font-weight:700;color:var(--text-main)}
.hero-mini-label{font-size:12px;color:var(--text-sub);margin-top:2px}
/* ===== 指标看板 ===== */
.stats-section{position:relative;z-index:3;margin-top:-48px}
.stats-card{background:rgba(16,20,19,.8);border:1px solid var(--border);border-radius:var(--radius-card);padding:32px 0;display:grid;grid-template-columns:repeat(4,1fr);box-shadow:var(--shadow-card);backdrop-filter:blur(8px)}
.stat-item{text-align:center;padding:8px 24px;border-right:1px solid var(--border)}
.stat-item:last-child{border-right:none}
.stat-number{font-size:38px;font-weight:800;color:var(--text-main);line-height:1.1}
.stat-label{font-size:13px;color:var(--text-sub);margin-top:6px}
.stat-item .stat-suffix{font-size:20px;font-weight:600;color:var(--primary-light)}
/* ===== 板块通用 ===== */
.section{padding:var(--sect-pad) 0}
.section-alt{background:rgba(255,255,255,.015)}
.section-header{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:48px}
.section-header h2{font-size:36px;font-weight:700;line-height:1.2;margin-bottom:12px}
.section-header p{font-size:15px;color:var(--text-sub);max-width:520px}
.section-link{color:var(--text-sub);font-size:14px;display:inline-flex;align-items:center;gap:6px;transition:color .2s}
.section-link i{font-size:12px}
.section-link:hover{color:var(--primary-light)}
/* ===== 服务矩阵 ===== */
.matrix-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.place-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-card);overflow:hidden;transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;display:flex;flex-direction:column}
.place-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:rgba(201,123,70,.4)}
.place-card-cover{position:relative;aspect-ratio:4/3;overflow:hidden;background:#0d1110}
.place-card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.place-card-cover.img-pos-1 img{object-position:center 60%}
.place-card-cover.img-pos-2 img{object-position:center 40%}
.place-card-cover.img-pos-3 img{object-position:center 70%}
.place-card-cover.img-pos-4 img{object-position:center 50%}
.place-card-cover.img-pos-5 img{object-position:center 80%}
.place-card-cover.img-pos-6 img{object-position:center 30%}
.place-card:hover .place-card-cover img{transform:scale(1.05)}
.card-region{position:absolute;top:12px;left:12px;background:rgba(16,20,19,.8);border:1px solid rgba(201,123,70,.3);color:var(--primary-light);font-size:12px;padding:4px 12px;border-radius:var(--radius-tag);z-index:2}
.card-score{position:absolute;top:12px;right:12px;width:34px;height:34px;border-radius:50%;background:rgba(16,20,19,.8);border:1px solid var(--border);color:var(--text-main);font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;z-index:2}
.card-cat{font-size:12px;color:var(--primary-light);margin-bottom:2px;letter-spacing:.5px}
.place-card-body{padding:20px;display:flex;flex-direction:column;flex:1}
.place-card-body h3{font-size:20px;font-weight:600;margin-bottom:8px;color:var(--text-main)}
.place-card-desc{font-size:14px;color:var(--text-sub);line-height:1.6;flex:1}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;padding-top:16px;border-top:1px solid rgba(255,255,255,.04)}
.tag{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.05);color:var(--text-sub);font-size:12px;padding:4px 12px;border-radius:var(--radius-tag);transition:all .2s}
.tag:hover{background:rgba(201,123,70,.12);border-color:rgba(201,123,70,.25);color:var(--primary-light)}
/* ===== 资讯区 ===== */
.info-section{background:rgba(16,20,19,.5);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.info-grid{display:grid;grid-template-columns:1fr 360px;gap:40px}
.info-list .post-item{display:flex;align-items:center;gap:12px;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.04);transition:padding-left .2s}
.info-list .post-item:last-child{border-bottom:none}
.info-list .post-item:hover{padding-left:8px}
.post-num{color:var(--primary-light);font-weight:700;font-size:18px;flex-shrink:0;width:28px}
.post-title{color:var(--text-main);font-size:16px;font-weight:500;line-height:1.4}
.post-title:hover{color:var(--primary-light)}
.post-meta{color:var(--text-sub);font-size:13px;margin-left:auto;flex-shrink:0}
.info-side{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-card);padding:24px}
.info-side h3{font-size:18px;font-weight:600;margin-bottom:20px;position:relative;padding-left:14px}
.info-side h3::before{content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:18px;background:var(--primary);border-radius:4px}
.side-rank-list li{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px dashed rgba(255,255,255,.05)}
.side-rank-list li:last-child{border-bottom:none}
.rank-badge{font-size:12px;font-weight:700;color:var(--primary-light);background:rgba(201,123,70,.1);border-radius:4px;padding:2px 8px;flex-shrink:0}
.rank-name{color:var(--text-main);font-size:14px}
.rank-tag{color:var(--text-sub);font-size:12px}
/* ===== 结果对比 ===== */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px}
.compare-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-card);padding:32px}
.compare-card-best{border-color:rgba(201,123,70,.4);box-shadow:0 0 0 1px rgba(201,123,70,.15),var(--shadow-card)}
.compare-title{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:600;margin-bottom:8px}
.compare-title .icon-circle{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;flex-shrink:0}
.compare-card-bad .compare-title{color:var(--text-sub)}
.compare-card-bad .icon-circle{background:rgba(154,163,158,.12);color:var(--text-sub)}
.compare-card-best .compare-title{color:var(--text-main)}
.compare-card-best .icon-circle{background:rgba(201,123,70,.15);color:var(--primary-light)}
.compare-subtitle{color:var(--text-sub);font-size:14px;margin-bottom:24px}
.compare-list li{display:flex;gap:12px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.04)}
.compare-list li:last-child{border-bottom:none}
.compare-icon{flex-shrink:0;width:20px;height:20px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:10px;margin-top:4px}
.compare-card-bad .compare-icon{background:rgba(154,163,158,.12);color:var(--text-sub)}
.compare-card-best .compare-icon{background:rgba(201,123,70,.15);color:var(--primary-light)}
.compare-text{flex:1}
.compare-text strong{display:block;font-size:15px;color:var(--text-main);font-weight:500}
.compare-text span{font-size:13px;color:var(--text-sub);line-height:1.5}
/* ===== FAQ ===== */
.faq-list{max-width:780px;margin:0 auto}
.faq-item{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.05);border-radius:12px;margin-bottom:12px;overflow:hidden;transition:border-color .3s}
.faq-item.open{border-color:rgba(201,123,70,.3)}
.faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 24px;cursor:pointer;text-align:left;font-size:16px;font-weight:500;color:var(--text-main)}
.faq-icon{flex-shrink:0;width:24px;height:24px;border-radius:50%;background:rgba(255,255,255,.06);display:flex;align-items:center;justify-content:center;font-size:14px;transition:transform .3s,background .3s;color:var(--text-sub)}
.faq-item.open .faq-icon{transform:rotate(45deg);background:rgba(201,123,70,.2);color:var(--primary-light)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .35s ease,opacity .25s ease;opacity:0}
.faq-item.open .faq-answer{max-height:400px;opacity:1}
.faq-answer-inner{padding:0 24px 20px;color:var(--text-sub);font-size:15px;line-height:1.7}
/* ===== 转化表单 ===== */
.lead-section{background:rgba(16,20,19,.4)}
.lead-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-card);padding:48px;display:grid;grid-template-columns:1fr 1.2fr;gap:48px}
.lead-left h2{font-size:30px;font-weight:700;margin-bottom:16px;line-height:1.3}
.lead-left p{color:var(--text-sub);font-size:15px;line-height:1.7;margin-bottom:24px}
.lead-info-item{display:flex;align-items:center;gap:12px;padding:10px 0;color:var(--text-sub);font-size:14px}
.lead-info-item i{width:32px;height:32px;border-radius:50%;background:rgba(201,123,70,.1);color:var(--primary-light);display:flex;align-items:center;justify-content:center;font-size:14px;flex-shrink:0}
.lead-form .form-group{margin-bottom:20px}
.lead-form .form-group label{display:block;font-size:14px;color:var(--text-main);margin-bottom:6px}
.lead-form .form-group label .req{color:var(--primary);margin-left:2px}
.lead-form input,.lead-form select,.lead-form textarea{width:100%;background:transparent;border:none;border-bottom:1px solid #3A423E;padding:12px 0;color:var(--text-main);font-size:16px;transition:border-color .3s,background .3s}
.lead-form input:focus,.lead-form select:focus,.lead-form textarea:focus{border-bottom-color:var(--primary);background:rgba(255,255,255,.02)}
.lead-form select{cursor:pointer}
.lead-form select option{background:var(--bg-card);color:var(--text-main)}
.lead-form textarea{height:100px;resize:vertical}
.lead-form .btn-submit{width:100%;height:48px;background:var(--primary);color:#fff;border:none;border-radius:var(--radius-btn);font-size:16px;font-weight:500;cursor:pointer;transition:all .3s}
.lead-form .btn-submit:hover{background:var(--primary-hover);transform:translateY(-2px);box-shadow:0 8px 24px rgba(201,123,70,.3)}
.lead-form .btn-submit:active{transform:translateY(0)}
.form-privacy{font-size:12px;color:var(--text-sub);text-align:center;margin-top:16px}
.form-success{background:rgba(201,123,70,.12);border:1px solid rgba(201,123,70,.3);color:var(--primary-light);border-radius:8px;padding:12px 16px;text-align:center;font-size:14px;margin-top:16px}
/* ===== 页脚 ===== */
.site-footer{background:var(--bg-footer);border-top:1px solid var(--border);padding-top:64px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;max-width:var(--container-w);margin:0 auto;padding:0 24px}
.footer-col .logo{margin-bottom:16px}
.footer-col p{color:var(--text-sub);font-size:14px;line-height:1.7;max-width:300px}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:16px;color:var(--text-main)}
.footer-col ul li{margin-bottom:8px}
.footer-col ul li a{color:var(--text-sub);font-size:14px;transition:color .2s}
.footer-col ul li a:hover{color:var(--text-main)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.06);margin-top:48px;padding:24px 0;text-align:center;color:var(--text-sub);font-size:13px}
/* ===== 响应式 ===== */
@media(max-width:1024px){
.hero h1{font-size:44px}
.matrix-grid{grid-template-columns:repeat(2,1fr)}
.info-grid{grid-template-columns:1fr}
.lead-card{grid-template-columns:1fr}
.footer-grid{grid-template-columns:repeat(2,1fr)}
.stats-card{grid-template-columns:repeat(2,1fr)}
.stat-item{border-right:none;border-bottom:1px solid var(--border);padding:16px}
.stat-item:nth-child(odd){border-right:1px solid var(--border)}
.stat-item:nth-child(n+3){border-bottom:none}
}
@media(max-width:768px){
.section{padding:var(--sect-pad-m) 0}
.section-header{flex-direction:column;align-items:flex-start;gap:12px}
.hero h1{font-size:34px}
.hero-sub{font-size:15px}
.compare-grid{grid-template-columns:1fr}
.lead-card{padding:28px}
.footer-grid{grid-template-columns:1fr 1fr}
.hero-mini-data{flex-direction:column}
.hero-mini-item{border-right:none;border-bottom:1px solid var(--border)}
.hero-mini-item:last-child{border-bottom:none}
}
@media(max-width:576px){
.hero{min-height:auto;padding-top:var(--nav-h-m)}
.hero-content{padding:60px 0 90px}
.matrix-grid{grid-template-columns:1fr}
.stats-card{grid-template-columns:1fr 1fr}
.stat-number{font-size:30px}
.section-header h2{font-size:26px}
.footer-grid{grid-template-columns:1fr}
.info-side{padding:20px}
.post-meta{display:none}
}