/* roulang page: index */
:root{
  --bg-deep:#0A1626;
  --bg-main:#0C1D33;
  --primary:#1E6FFF;
  --gold:#C99649;
  --gold-light:#E3B96A;
  --green:#4E8D7C;
  --text-main:#EAF1FA;
  --text-sub:#A9B8CE;
  --text-muted:#71839A;
  --danger:#E86A5F;
  --glass-bg:rgba(15,32,58,0.55);
  --glass-border:rgba(120,180,255,0.16);
  --radius-card:18px;
  --radius-btn:12px;
  --radius-tag:999px;
  --shadow-card:0 8px 32px rgba(0,0,0,0.35);
  --shadow-gold:0 0 16px rgba(212,162,77,0.4);
  --transition:all 0.3s ease;
  --space-section:90px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'PingFang SC','Microsoft YaHei','Noto Sans SC',system-ui,sans-serif;
  background:var(--bg-deep);
  color:var(--text-main);
  line-height:1.7;
  font-size:16px;
  background-image:
    radial-gradient(ellipse at 85% 15%,rgba(30,111,255,0.12),transparent 60%),
    radial-gradient(ellipse at 10% 90%,rgba(201,150,73,0.07),transparent 50%);
  background-attachment:fixed;
}
body::before{
  content:'';
  position:fixed;
  inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,0.02) 1px,transparent 1px);
  background-size:44px 44px;
  pointer-events:none;
  z-index:0;
}
a{color:#D7E3F5;text-decoration:none;transition:var(--transition)}
a:hover{color:var(--gold-light)}
ul,ol{list-style:none}
img{max-width:100%;display:block}
button,input,select,textarea{font-family:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* 顶部信息条 */
.top-strip{
  background:rgba(6,14,28,0.85);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(120,180,255,0.08);
  padding:8px 0;
  position:relative;
  z-index:100;
}
.top-strip .inner{
  display:flex;align-items:center;justify-content:space-between;
  max-width:1200px;margin:0 auto;padding:0 20px;
}
.top-strip .strip-info{
  font-size:13px;color:var(--text-sub);letter-spacing:0.3px;
  display:flex;align-items:center;gap:8px;
}
.top-strip .strip-info i{color:var(--gold);font-size:12px}
.top-strip .strip-right{display:flex;align-items:center;gap:14px}
.strip-btn{
  font-size:13px;font-weight:600;color:var(--gold-light);
  padding:4px 16px;border:1px solid rgba(201,150,73,0.5);
  border-radius:var(--radius-tag);transition:var(--transition);
}
.strip-btn:hover{background:rgba(201,150,73,0.15);color:var(--gold-light);box-shadow:0 0 12px rgba(212,162,77,0.2)}
.domain-tag{font-size:12px;color:var(--text-muted);letter-spacing:0.5px}

/* 主导航 */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(10,22,38,0.85);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(120,180,255,0.08);
}
.site-header.scrolled{box-shadow:0 4px 30px rgba(0,0,0,0.4)}
.header-inner{
  max-width:1200px;margin:0 auto;padding:0 20px;
  display:flex;align-items:center;justify-content:space-between;height:72px;
}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{
  width:42px;height:42px;border-radius:12px;
  background:linear-gradient(135deg,#C99649,#E3B96A);
  display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:700;color:#1a1a1a;
  box-shadow:0 0 14px rgba(212,162,77,0.35);
}
.brand-text{font-size:19px;font-weight:700;color:var(--text-main);letter-spacing:1px;line-height:1.2}
.brand-sub{font-size:11px;color:var(--text-muted);letter-spacing:1px;display:block;margin-top:2px}
.nav-menu{display:flex;align-items:center;gap:4px}
.nav-menu a{
  color:var(--text-sub);font-size:15px;font-weight:500;
  padding:9px 15px;border-radius:10px;transition:var(--transition);
  position:relative;
}
.nav-menu a:hover{color:var(--text-main);background:rgba(255,255,255,0.05)}
.nav-menu a.active{color:var(--gold-light);background:rgba(201,150,73,0.1)}
.nav-menu a.nav-cta{
  background:linear-gradient(135deg,#C99649,#E3B96A);
  color:#1a1a1a;font-weight:600;font-size:14px;
  padding:10px 24px;border-radius:var(--radius-btn);
  box-shadow:var(--shadow-gold);margin-left:8px;
}
.nav-menu a.nav-cta:hover{transform:translateY(-1px);box-shadow:0 0 22px rgba(212,162,77,0.5);color:#1a1a1a}
.title-bar{
  background:rgba(10,22,38,0.95);
  padding:10px 20px;
  display:flex;align-items:center;justify-content:space-between;
}
.title-bar-title{font-size:18px;font-weight:600;color:var(--text-main)}
.title-bar .menu-icon{dark:true}
@media(max-width:1024px){
  .nav-menu{display:none}
}
@media(min-width:1024.1px){
  .title-bar{display:none}
}

/* Hero */
.hero{
  position:relative;
  padding:70px 0 90px;
  overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;z-index:-1;
  background-image:url('/assets/images/backpic/back-1.jpg');
  background-size:cover;background-position:center;
  opacity:0.35;
}
.hero-bg::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(10,22,38,0.97) 30%,rgba(10,22,38,0.65));
}
.hero .container{position:relative;z-index:2}
.hero-grid{display:flex;align-items:center;gap:56px}
.hero-left{flex:1.1}
.hero-right{flex:0.9}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-tag);
  padding:6px 18px;
  font-size:13px;color:var(--text-sub);
  margin-bottom:20px;
  backdrop-filter:blur(8px);
}
.hero-tag i{color:var(--gold)}
.hero h1{
  font-size:46px;
  line-height:1.25;
  font-weight:700;
  color:var(--text-main);
  letter-spacing:1px;
  margin-bottom:18px;
}
.hero-sub{
  font-size:17px;color:var(--text-sub);
  line-height:1.8;
  max-width:520px;
  margin-bottom:28px;
}
.hero-ctas{display:flex;gap:16px;flex-wrap:wrap}
.btn-gold{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:linear-gradient(135deg,#C99649,#E3B96A);
  color:#1a1a1a;font-size:15px;font-weight:600;
  padding:14px 32px;border-radius:var(--radius-btn);
  border:0;cursor:pointer;box-shadow:var(--shadow-gold);
  transition:var(--transition);text-decoration:none;
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 0 24px rgba(212,162,77,0.55);color:#1a1a1a}
.btn-gold:focus{outline:2px solid var(--gold-light);outline-offset:2px}
.btn-gold:active{transform:translateY(1px)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(15,32,58,0.55);
  border:1px solid rgba(120,180,255,0.3);
  color:#D7E3F5;font-size:15px;
  padding:14px 28px;border-radius:var(--radius-btn);
  cursor:pointer;transition:var(--transition);text-decoration:none;
  backdrop-filter:blur(8px);
}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold);transform:translateY(-2px)}
.btn-ghost:focus{outline:2px solid var(--gold);outline-offset:2px}
.hero-metrics{
  display:flex;gap:24px;margin-top:30px;flex-wrap:wrap;
}
.hero-metric{display:flex;align-items:center;gap:10px}
.hero-metric i{color:var(--gold);font-size:14px}
.hero-metric span{font-size:13px;color:var(--text-sub)}
.hero-metric b{font-size:20px;color:var(--text-main);font-weight:700}
.hero-right{
  position:relative;
}
.hero-card{
  background:linear-gradient(145deg,rgba(15,32,58,0.65),rgba(10,22,38,0.75));
  border:1px solid rgba(120,180,255,0.16);
  border-radius:24px;
  padding:36px 30px;
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:0 20px 60px rgba(0,0,0,0.5),inset 0 1px 0 rgba(255,255,255,0.08);
  position:relative;
  max-width:420px;margin-left:auto;
}
.hero-card::before{
  content:'';
  position:absolute;top:-1px;left:30px;right:30px;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,0.2),transparent);
}
.hero-card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.hero-card-score{
  display:flex;align-items:center;gap:10px;
}
.score-badge{
  background:linear-gradient(135deg,#C99649,#E3B96A);
  color:#1a1a1a;font-size:20px;font-weight:700;
  border-radius:12px;padding:6px 14px;
  box-shadow:var(--shadow-gold);
}
.score-label{font-size:13px;color:var(--text-sub)}
.score-stars{color:var(--gold-light);font-size:13px;margin-top:2px}
.hero-card-list{display:flex;flex-direction:column;gap:16px;margin-top:8px}
.hero-card-item{
  display:flex;align-items:center;gap:12px;
  padding:12px 14px;
  background:rgba(255,255,255,0.04);
  border-radius:12px;
  border:1px solid rgba(255,255,255,0.05);
  transition:var(--transition);
}
.hero-card-item:hover{background:rgba(255,255,255,0.07);border-color:rgba(201,150,73,0.3)}
.hero-card-item i{color:var(--gold);font-size:16px;width:24px;text-align:center}
.hero-card-item .hci-text{flex:1}
.hero-card-item .hci-title{font-size:13px;color:var(--text-sub)}
.hero-card-item .hci-value{font-size:15px;color:var(--text-main);font-weight:600}
.hero-card-item .hci-tag{font-size:12px;color:var(--gold-light)}

/* 板块标题 */
.section{padding:var(--space-section) 0}
.section-head{margin-bottom:40px;text-align:center;max-width:700px;margin-left:auto;margin-right:auto}
.section-tag{
  display:inline-block;
  background:rgba(201,150,73,0.1);
  border:1px solid rgba(201,150,73,0.3);
  color:var(--gold-light);
  font-size:12px;letter-spacing:1px;
  padding:4px 16px;border-radius:var(--radius-tag);
  margin-bottom:14px;
}
.section h2{font-size:34px;font-weight:700;color:var(--text-main);margin-bottom:12px;letter-spacing:0.5px}
.section h2 em{font-style:normal;color:var(--gold-light)}
.section-desc{font-size:15px;color:var(--text-sub);line-height:1.7}

/* 指标看板 */
.dashboard{
  padding:0 0 var(--space-section) 0;
}
.dashboard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.metric-card{
  background:var(--glass-bg);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-card);
  padding:28px 24px;
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,0.05);
  transition:var(--transition);
  position:relative;overflow:hidden;
}
.metric-card:hover{transform:translateY(-4px);border-color:var(--gold)}
.metric-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,#C99649,#E3B96A);
  opacity:0;transition:var(--transition);
}
.metric-card:hover::before{opacity:1}
.metric-icon{
  width:44px;height:44px;border-radius:12px;
  background:rgba(30,111,255,0.12);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:16px;color:var(--primary);
}
.metric-num{font-size:40px;font-weight:700;color:var(--text-main);line-height:1.1;letter-spacing:1px;font-variant-numeric:tabular-nums}
.metric-unit{font-size:18px;color:var(--gold-light);font-weight:600;margin-left:4px}
.metric-name{font-size:15px;color:var(--text-main);font-weight:600;margin-top:8px}
.metric-desc{font-size:13px;color:var(--text-muted);margin-top:4px;line-height:1.5}
.metric-line{width:100%;height:2px;background:rgba(255,255,255,0.06);border-radius:2px;margin-top:14px}
.metric-line-fill{height:100%;background:linear-gradient(90deg,#1E6FFF,#C99649);border-radius:2px}

/* 服务矩阵 */
.services-grid{display:flex;gap:24px;align-items:stretch}
.feature-card{
  flex:1.2;
  background:var(--glass-bg);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--glass-border);
  border-radius:20px;
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:var(--transition);
  display:flex;flex-direction:column;
}
.feature-card:hover{transform:translateY(-4px);border-color:rgba(201,150,73,0.4)}
.feature-img{
  height:230px;overflow:hidden;position:relative;
  background-image:url('/assets/images/coverpic/cover-1.jpg');
  background-size:cover;background-position:center;
}
.feature-img::before{content:'';position:absolute;inset:0;background:linear-gradient(transparent 50%,rgba(10,22,38,0.9));}
.rec-tag{
  position:absolute;top:16px;left:16px;
  background:linear-gradient(135deg,#C99649,#E3B96A);
  color:#1a1a1a;font-size:12px;font-weight:700;
  padding:4px 14px;border-radius:var(--radius-tag);
  z-index:2;letter-spacing:1px;
  box-shadow:0 4px 16px rgba(212,162,77,0.3);
}
.feature-body{padding:26px 24px;flex:1;display:flex;flex-direction:column}
.feature-title{font-size:22px;font-weight:700;color:var(--text-main);margin-bottom:8px}
.feature-meta{display:flex;align-items:center;gap:10px;margin-bottom:14px;flex-wrap:wrap}
.feature-score{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(201,150,73,0.15);
  color:var(--gold-light);font-size:13px;font-weight:600;
  padding:3px 12px;border-radius:var(--radius-tag);
}
.feature-index{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text-sub)}
.rating-bar{width:80px;height:4px;background:rgba(255,255,255,0.08);border-radius:4px;overflow:hidden}
.rating-bar span{display:block;height:100%;background:linear-gradient(90deg,#C99649,#E3B96A);border-radius:4px}
.feature-desc{font-size:14px;color:var(--text-sub);line-height:1.7;margin-bottom:18px;flex:1}
.feature-info{
  display:flex;justify-content:space-between;align-items:center;
  border-top:1px solid rgba(255,255,255,0.07);padding-top:16px;
  margin-bottom:18px;
}
.feature-duration{font-size:14px;color:var(--text-sub)}
.feature-duration i{margin-right:6px;color:var(--gold)}
.feature-price{font-size:16px;color:var(--gold-light);font-weight:700}

.rank-list{flex:1;display:flex;flex-direction:column;gap:16px}
.rank-card{
  background:var(--glass-bg);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--glass-border);
  border-radius:16px;
  padding:22px 20px;
  display:flex;align-items:flex-start;gap:16px;
  transition:var(--transition);
  flex:1;
}
.rank-card:hover{border-color:var(--gold);transform:translateX(4px)}
.rank-badge{
  min-width:32px;height:32px;
  background:linear-gradient(135deg,rgba(30,111,255,0.2),rgba(30,111,255,0.1));
  color:var(--primary);
  border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;
}
.rank-card:nth-child(1) .rank-badge{background:linear-gradient(135deg,#C99649,#E3B96A);color:#1a1a1a}
.rank-card:nth-child(2) .rank-badge{background:rgba(30,111,255,0.2);color:var(--primary)}
.rank-card:nth-child(3) .rank-badge{background:rgba(78,141,124,0.2);color:var(--green)}
.rank-body{flex:1;min-width:0}
.rank-title-row{display:flex;align-items:center;gap:10px;margin-bottom:6px;flex-wrap:wrap}
.rank-title{font-size:16px;font-weight:600;color:var(--text-main)}
.rank-score{font-size:12px;color:var(--gold-light);font-weight:600}
.rank-tags{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:8px}
.rank-tag{
  font-size:11px;color:var(--text-sub);
  background:rgba(255,255,255,0.06);
  border:1px solid rgba(255,255,255,0.08);
  padding:2px 10px;border-radius:var(--radius-tag);
}
.rank-desc{font-size:13px;color:var(--text-muted);line-height:1.5;margin-bottom:10px}
.rank-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;color:var(--gold-light);font-weight:500;
}
.rank-link i{transition:var(--transition)}
.rank-link:hover i{transform:translateX(4px)}

/* 结果对比 */
.compare-section{
  position:relative;
}
.compare-grid{display:flex;gap:24px;align-items:stretch}
.compare-col{
  flex:1;
  background:var(--glass-bg);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--glass-border);
  border-radius:20px;
  padding:30px 26px;
  box-shadow:var(--shadow-card);
  transition:var(--transition);
}
.compare-col-weak{background:rgba(20,28,42,0.6);border-color:rgba(255,255,255,0.06)}
.compare-col-strong{background:rgba(15,32,58,0.65);border-color:rgba(201,150,73,0.3)}
.compare-vs{
  display:flex;align-items:center;justify-content:center;
  min-width:64px;position:relative;
}
.compare-vs span{
  background:linear-gradient(135deg,#C99649,#E3B96A);
  color:#1a1a1a;font-size:20px;font-weight:800;
  width:48px;height:48px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 0 24px rgba(212,162,77,0.4);
}
.compare-col h3{font-size:18px;margin-bottom:20px;display:flex;align-items:center;gap:10px}
.compare-col-weak h3{color:var(--text-muted)}
.compare-col-strong h3{color:var(--gold-light)}
.compare-col h3 i{width:20px;text-align:center}
.compare-list li{
  display:flex;align-items:flex-start;gap:12px;
  padding:12px 0;
  border-bottom:1px solid rgba(255,255,255,0.05);
}
.compare-list li:last-child{border-bottom:0}
.compare-list .check{color:var(--green);font-size:15px;flex-shrink:0;margin-top:3px;width:18px}
.compare-list .cross{color:var(--danger);font-size:15px;flex-shrink:0;margin-top:3px;width:18px}
.compare-list .cl-label{font-size:13px;color:var(--text-sub);display:block;margin-bottom:2px}
.compare-list .cl-value{font-size:14px;color:var(--text-main);line-height:1.5}
.compare-col-weak .cl-value{color:var(--text-muted)}
.compare-summary{
  margin-top:24px;
  display:inline-flex;gap:20px;
  background:var(--glass-bg);
  border:1px solid rgba(120,180,255,0.14);
  border-radius:14px;
  padding:12px 24px;
  backdrop-filter:blur(10px);
}
.compare-summary-item{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-sub)}
.compare-summary-item b{color:var(--gold-light);font-size:16px}

/* 资讯 */
.guide-section{padding:0 0 var(--space-section) 0}
.guide-layout{display:flex;gap:24px;align-items:flex-start}
.guide-main{flex:1.3}
.guide-side{flex:0.7}
.guide-list-item{
  display:flex;gap:18px;align-items:flex-start;
  background:var(--glass-bg);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1px solid var(--glass-border);
  border-radius:16px;
  padding:18px;
  transition:var(--transition);
  margin-bottom:14px;
}
.guide-list-item:hover{transform:translateX(4px);border-color:rgba(201,150,73,0.4)}
.guide-thumb{
  width:140px;height:96px;border-radius:12px;overflow:hidden;flex-shrink:0;
  background:linear-gradient(135deg,rgba(30,111,255,0.2),rgba(201,150,73,0.15));
}
.guide-thumb img{width:100%;height:100%;object-fit:cover}
.guide-body{flex:1;min-width:0}
.guide-cat{
  display:inline-block;font-size:11px;color:var(--gold-light);
  background:rgba(201,150,73,0.12);
  padding:2px 10px;border-radius:var(--radius-tag);
  margin-bottom:6px;
}
.guide-title{font-size:16px;font-weight:600;color:var(--text-main);margin-bottom:6px;line-height:1.4}
.guide-title a{color:var(--text-main)}
.guide-title a:hover{color:var(--gold-light)}
.guide-excerpt{font-size:13px;color:var(--text-muted);line-height:1.6;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.guide-meta{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--text-muted)}
.guide-meta i{margin-right:4px}
.guide-meta .read-more{
  margin-left:auto;color:var(--gold-light);font-size:13px;
  display:inline-flex;align-items:center;gap:4px;
}
.guide-meta .read-more:hover i{transform:translateX(3px)}
.guide-empty{
  background:var(--glass-bg);
  border:1px dashed var(--glass-border);
  border-radius:16px;
  padding:50px 30px;
  text-align:center;
  color:var(--text-muted);
  font-size:15px;
}
.guide-empty i{font-size:30px;display:block;margin-bottom:10px;color:var(--text-muted)}
.guide-side .side-card{
  background:var(--glass-bg);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--glass-border);
  border-radius:20px;
  padding:28px;
  box-shadow:var(--shadow-card);
}
.side-card h3{font-size:18px;font-weight:700;color:var(--text-main);margin-bottom:16px;display:flex;align-items:center;gap:8px}
.side-card h3 i{color:var(--gold)}
.side-tag-list{display:flex;flex-wrap:wrap;gap:8px}
.side-tag{
  font-size:13px;color:var(--text-sub);
  background:rgba(255,255,255,0.05);
  border:1px solid var(--glass-border);
  padding:5px 14px;border-radius:var(--radius-tag);
  transition:var(--transition);
}
.side-tag:hover{border-color:var(--gold);color:var(--gold-light)}
.side-menu-list li{margin-bottom:2px}
.side-menu-list a{
  display:flex;align-items:center;gap:10px;
  padding:9px 10px;border-radius:10px;
  font-size:14px;color:var(--text-sub);
  transition:var(--transition);
}
.side-menu-list a:hover{background:rgba(255,255,255,0.05);color:var(--gold-light);padding-left:16px}
.side-menu-list a i{font-size:12px;color:var(--gold)}
.side-hot-list li{
  padding:10px 0;border-bottom:1px solid rgba(255,255,255,0.05);
  font-size:14px;color:var(--text-sub);line-height:1.5;
}
.side-hot-list li:last-child{border-bottom:0}
.side-hot-list b{color:var(--gold-light);font-size:16px;margin-right:8px;font-weight:600}

/* FAQ */
.faq-section{padding:0 0 var(--space-section) 0}
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{
  background:var(--glass-bg);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--glass-border);
  border-radius:14px;
  margin-bottom:12px;
  overflow:hidden;
  transition:var(--transition);
}
.faq-item.active{border-color:rgba(201,150,73,0.4)}
.faq-question{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 22px;
  cursor:pointer;
  font-size:15px;font-weight:600;color:var(--text-main);
  transition:var(--transition);
}
.faq-question:hover{color:var(--gold-light)}
.faq-question i{color:var(--gold);transition:var(--transition);font-size:14px}
.faq-item.active .faq-question i{transform:rotate(180deg)}
.faq-answer{
  max-height:0;overflow:hidden;
  transition:max-height 0.4s ease;
}
.faq-item.active .faq-answer{max-height:400px}
.faq-answer-inner{
  padding:0 22px 20px;
  font-size:14px;color:var(--text-sub);
  line-height:1.75;
  border-top:1px solid rgba(255,255,255,0.05);
  margin-top:0;
  padding-top:16px;
}

/* 表单 */
.booking-section{
  padding:0 0 var(--space-section) 0;
}
.booking-grid{display:flex;gap:24px;align-items:stretch}
.booking-left{flex:1;display:flex;flex-direction:column;justify-content:center}
.booking-left .section-head{text-align:left;margin:0 0 16px}
.booking-left h2{font-size:30px;line-height:1.3}
.booking-info{display:flex;flex-direction:column;gap:14px;margin-top:20px}
.booking-info-item{display:flex;align-items:flex-start;gap:12px}
.booking-info-item i{
  width:36px;height:36px;border-radius:10px;
  background:rgba(201,150,73,0.12);
  color:var(--gold);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;flex-shrink:0;
}
.bii-label{font-size:12px;color:var(--text-muted);display:block}
.bii-value{font-size:14px;color:var(--text-main);font-weight:500}
.booking-form-wrap{
  flex:1.1;
  background:var(--glass-bg);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border:1px solid var(--glass-border);
  border-radius:20px;
  padding:34px 30px;
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,0.06);
  position:relative;overflow:hidden;
}
.booking-form-wrap::before{
  content:'';position:absolute;top:-1px;left:20px;right:20px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(212,162,77,0.4),transparent);
}
.form-row{display:flex;gap:16px;margin-bottom:16px}
.form-field{flex:1}
.form-label{font-size:13px;color:var(--text-sub);margin-bottom:6px;display:block}
.form-label i{color:var(--danger);font-style:normal;margin-left:3px}
.form-control{
  width:100%;padding:12px 14px;
  background:rgba(255,255,255,0.07);
  border:1px solid rgba(255,255,255,0.14);
  border-radius:10px;
  color:var(--text-main);
  font-size:14px;
  transition:var(--transition);
  appearance:none;
  -webkit-appearance:none;
}
.form-control::placeholder{color:var(--text-muted)}
.form-control:focus{
  outline:none;border-color:var(--gold);
  box-shadow:0 0 0 3px rgba(212,162,77,0.15);
  background:rgba(255,255,255,0.09);
}
select.form-control{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23A9B8CE' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 14px center;
  padding-right:38px;
}
select.form-control option{background:var(--bg-main);color:var(--text-main)}
textarea.form-control{min-height:70px;resize:vertical}
.btn-submit{width:100%;margin-top:8px}

/* 页脚 */
.site-footer{
  border-top:1px solid rgba(255,255,255,0.08);
  padding:60px 0 0;
  background:rgba(6,14,28,0.6);
}
.footer-grid{display:flex;gap:40px;margin-bottom:40px}
.footer-col{flex:1}
.footer-brand .brand{margin-bottom:14px}
.footer-desc{font-size:14px;color:var(--text-muted);line-height:1.7;max-width:280px}
.footer-heading{font-size:16px;font-weight:700;color:var(--text-main);margin-bottom:16px}
.footer-col ul li{margin-bottom:8px}
.footer-col ul a{
  font-size:14px;color:var(--text-sub);
  transition:var(--transition);
}
.footer-col ul a:hover{color:var(--gold-light);padding-left:4px}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--text-sub);margin-bottom:10px}
.footer-contact li i{color:var(--gold);margin-top:4px;width:16px;text-align:center}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.06);
  padding:18px 0;
  font-size:12px;color:var(--text-muted);
  display:flex;justify-content:space-between;align-items:center;
  flex-wrap:wrap;gap:10px;
}
.footer-bottom a{color:var(--text-muted)}
.footer-bottom a:hover{color:var(--gold-light)}

/* 通用标签/徽章 */
.tag-badge{
  display:inline-block;font-size:11px;
  background:rgba(30,111,255,0.15);
  color:var(--primary);
  padding:3px 10px;border-radius:var(--radius-tag);
  font-weight:500;
}
.tag-gold{
  background:rgba(201,150,73,0.15);
  color:var(--gold-light);
}

/* 空态 */
.empty-state{
  text-align:center;padding:40px 20px;
  background:var(--glass-bg);
  border:1px dashed var(--glass-border);
  border-radius:16px;
  color:var(--text-muted);
  font-size:15px;
}

/* 响应式 */
@media(max-width:1024px){
  :root{--space-section:60px}
  .hero-grid{flex-direction:column-reverse;gap:36px}
  .hero-left,.hero-right{flex:1 1 100%}
  .hero-card{margin:0 auto;max-width:100%}
  .dashboard-grid{grid-template-columns:repeat(2,1fr)}
  .services-grid{flex-direction:column}
  .compare-grid{flex-direction:column}
  .compare-vs{min-height:40px}
  .compare-vs span{width:36px;height:36px;font-size:16px}
  .guide-layout{flex-direction:column}
  .form-row{flex-direction:column;gap:12px;margin-bottom:12px}
  .booking-grid{flex-direction:column}
  .footer-grid{flex-wrap:wrap;gap:32px}
  .footer-col{flex:1 1 45%}
}
@media(max-width:640px){
  :root{--space-section:48px}
  .hero{padding:40px 0 50px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:15px}
  .hero-ctas{flex-direction:column}
  .btn-gold,.btn-ghost{width:100%;justify-content:center}
  .dashboard-grid{grid-template-columns:1fr}
  .metric-card{padding:20px}
  .metric-num{font-size:32px}
  .section h2{font-size:26px}
  .section-desc{font-size:14px}
  .feature-body{padding:20px}
  .feature-title{font-size:18px}
  .compare-col{padding:22px}
  .compare-summary{flex-wrap:wrap;gap:12px}
  .guide-list-item{flex-direction:column}
  .guide-thumb{width:100%;height:140px}
  .guide-meta{flex-wrap:wrap}
  .footer-col{flex:1 1 100%}
  .footer-bottom{flex-direction:column;text-align:center}
  .top-strip .strip-info span.hide-mobile{display:none}
}

/* roulang page: article */
:root {
    --bg-deep: #0A1626;
    --bg-mid: #0C1D33;
    --bg-light: #12243F;
    --glass-bg: rgba(15, 32, 58, 0.55);
    --glass-border: rgba(120, 180, 255, 0.16);
    --primary: #1E6FFF;
    --gold: #C99649;
    --gold-light: #E3B96A;
    --gold-glow: rgba(212, 162, 77, 0.4);
    --green: #4E8D7C;
    --red: #E86A5F;
    --text-main: #EAF1FA;
    --text-secondary: #A9B8CE;
    --text-muted: #71839A;
    --radius-card: 20px;
    --radius-btn: 12px;
    --radius-tag: 999px;
    --shadow-card: 0 12px 32px rgba(0, 0, 0, 0.35);
    --shadow-gold: 0 0 16px rgba(212, 162, 77, 0.4);
    --transition: all .25s ease;
    --space-section: 90px;
    --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-deep);
    background-image:
        radial-gradient(ellipse at 20% 0%, rgba(30, 111, 255, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse at 90% 10%, rgba(201, 150, 73, 0.06) 0%, transparent 50%);
    color: var(--text-main);
    line-height: 1.7;
    font-size: 16px;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: #D7E3F5;
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--gold-light);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid var(--gold-light);
    outline-offset: 3px;
}

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Header & Navigation ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 22, 38, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(120, 180, 255, 0.1);
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 72px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-main);
}

.brand:hover {
    color: var(--text-main);
}

.brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    color: #1A1A1A;
    font-weight: 700;
    font-size: 20px;
    border-radius: 12px;
    box-shadow: var(--shadow-gold);
    flex-shrink: 0;
}

.brand-text {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.3;
}

.brand-sub {
    font-size: 12px;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
    line-height: 1.4;
}

.nav-toggle {
    display: none;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--glass-border);
    color: var(--text-main);
    padding: 8px 14px;
    border-radius: 10px;
    font-size: 18px;
    line-height: 1;
    transition: var(--transition);
}

.nav-toggle:hover {
    border-color: var(--gold);
    color: var(--gold-light);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-menu a {
    padding: 8px 16px;
    border-radius: var(--radius-btn);
    color: var(--text-secondary);
    font-size: 15px;
    font-weight: 500;
    transition: var(--transition);
}

.nav-menu a:hover {
    color: var(--gold-light);
    background: rgba(201, 150, 73, 0.1);
}

.nav-menu a.active {
    color: var(--gold-light);
    background: rgba(201, 150, 73, 0.16);
}

.nav-menu a.nav-cta {
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    color: #1A1A1A;
    font-weight: 600;
    padding: 9px 22px;
    box-shadow: var(--shadow-gold);
}

.nav-menu a.nav-cta:hover {
    color: #1A1A1A;
    box-shadow: 0 0 22px rgba(212, 162, 77, 0.6);
    transform: translateY(-1px);
}

/* ===== Breadcrumb ===== */
.breadcrumb {
    padding: 32px 0 0;
    font-size: 13px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.breadcrumb a {
    color: var(--text-muted);
    transition: var(--transition);
}

.breadcrumb a:hover {
    color: var(--gold-light);
}

.breadcrumb .sep {
    color: var(--text-muted);
    opacity: 0.6;
}

.breadcrumb .current {
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 320px;
}

/* ===== Article Page ===== */
.article-page {
    padding-bottom: var(--space-section);
}

.article-wrap {
    margin-top: 24px;
}

.article-cover {
    border-radius: var(--radius-card);
    overflow: hidden;
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-card);
    position: relative;
    margin-bottom: 36px;
}

.article-cover img {
    width: 100%;
    height: 420px;
    object-fit: cover;
}

.article-cover::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 55%, rgba(10, 22, 38, 0.35) 100%);
    pointer-events: none;
}

.article-header {
    max-width: 760px;
    margin: 0 auto;
    padding: 8px 0 0;
}

.article-header h1 {
    font-size: clamp(32px, 4vw, 44px);
    line-height: 1.25;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 18px;
    letter-spacing: 0.5px;
}

.article-summary {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 22px;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px;
    font-size: 13px;
    color: var(--text-muted);
}

.article-meta i {
    margin-right: 5px;
    color: var(--gold);
}

.badge {
    display: inline-block;
    background: rgba(201, 150, 73, 0.16);
    color: var(--gold-light);
    border: 1px solid rgba(201, 150, 73, 0.3);
    padding: 4px 14px;
    border-radius: var(--radius-tag);
    font-size: 12px;
    font-weight: 500;
    line-height: 1.5;
}

.article-divider {
    max-width: 760px;
    margin: 30px auto 42px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

/* ===== Article Content ===== */
.article-content {
    max-width: 720px;
    margin: 0 auto;
    font-size: 16px;
    line-height: 1.78;
    color: var(--text-main);
    word-break: break-word;
}

.article-content p {
    margin-bottom: 1.5em;
}

.article-content h2 {
    font-size: 26px;
    font-weight: 700;
    color: var(--text-main);
    margin: 2em 0 1em;
    padding-left: 14px;
    border-left: 3px solid var(--gold);
    line-height: 1.4;
}

.article-content h3 {
    font-size: 21px;
    font-weight: 600;
    margin: 1.6em 0 0.8em;
    color: var(--gold-light);
    line-height: 1.4;
}

.article-content blockquote {
    background: rgba(30, 111, 255, 0.06);
    border-left: 3px solid var(--primary);
    padding: 18px 24px;
    border-radius: 0 12px 12px 0;
    margin: 1.5em 0;
    color: var(--text-secondary);
    font-style: normal;
}

.article-content ul,
.article-content ol {
    margin: 1.2em 0;
    padding-left: 1.4em;
    color: var(--text-main);
}

.article-content ul {
    list-style: disc;
}

.article-content ol {
    list-style: decimal;
}

.article-content li {
    margin-bottom: 0.6em;
}

.article-content img {
    border-radius: 16px;
    border: 1px solid var(--glass-border);
    margin: 1.8em auto;
    box-shadow: var(--shadow-card);
}

.article-content a {
    color: var(--gold-light);
    border-bottom: 1px solid rgba(201, 150, 73, 0.4);
}

.article-content a:hover {
    border-color: var(--gold-light);
}

.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5em 0;
    background: rgba(15, 32, 58, 0.4);
    border-radius: 12px;
    overflow: hidden;
    font-size: 14px;
}

.article-content table th,
.article-content table td {
    border: 1px solid var(--glass-border);
    padding: 12px 16px;
    text-align: left;
}

.article-content table th {
    background: rgba(30, 111, 255, 0.08);
    color: var(--text-main);
    font-weight: 600;
}

.article-content table td {
    color: var(--text-secondary);
}

.article-content hr {
    border: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin: 2em 0;
}

.article-content strong {
    color: var(--text-main);
    font-weight: 600;
}

/* ===== Empty State ===== */
.article-empty {
    max-width: 720px;
    margin: 40px auto;
    text-align: center;
    padding: 80px 24px;
    background: var(--glass-bg);
    backdrop-filter: blur(14px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
}

.article-empty p {
    font-size: 22px;
    color: var(--text-secondary);
    margin-bottom: 28px;
    font-weight: 500;
}

/* ===== Related Section ===== */
.related-section {
    max-width: 900px;
    margin: 64px auto 0;
}

.related-section .section-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.related-section .section-title::before {
    content: "";
    width: 4px;
    height: 22px;
    background: var(--gold);
    border-radius: 2px;
    flex-shrink: 0;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.related-card {
    background: var(--glass-bg);
    backdrop-filter: blur(14px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-card);
    padding: 24px;
    display: block;
    transition: var(--transition);
    box-shadow: var(--shadow-card);
}

.related-card:hover {
    transform: translateY(-4px);
    border-color: rgba(201, 150, 73, 0.4);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
}

.related-card .badge {
    margin-bottom: 12px;
}

.related-card h3 {
    font-size: 17px;
    line-height: 1.5;
    margin: 8px 0 10px;
    color: var(--text-main);
    font-weight: 600;
}

.related-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.related-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 16px;
}

.related-meta span:last-child {
    color: var(--gold-light);
    font-weight: 500;
}

.related-empty {
    text-align: center;
    padding: 24px 0 8px;
}

/* ===== CTA Section ===== */
.article-cta {
    margin-top: 72px;
    padding: 52px 0;
    position: relative;
    background:
        linear-gradient(90deg, rgba(10, 22, 38, 0.92), rgba(12, 29, 51, 0.86), rgba(10, 22, 38, 0.92)),
        url('/assets/images/backpic/back-2.jpg') center / cover no-repeat;
    border-top: 1px solid rgba(120, 180, 255, 0.1);
    border-bottom: 1px solid rgba(120, 180, 255, 0.1);
}

.cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}

.cta-inner h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 8px;
}

.cta-inner p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.6;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: var(--radius-btn);
    font-size: 15px;
    font-weight: 600;
    transition: var(--transition);
    border: 0;
    line-height: 1;
    text-align: center;
    white-space: nowrap;
}

.btn-gold {
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    color: #1A1A1A;
    box-shadow: var(--shadow-gold);
}

.btn-gold:hover {
    color: #1A1A1A;
    box-shadow: 0 0 22px rgba(212, 162, 77, 0.6);
    transform: translateY(-2px);
}

.btn-gold:active {
    transform: translateY(0);
    box-shadow: 0 0 10px rgba(212, 162, 77, 0.5);
}

.btn-gold:focus-visible {
    outline: 2px solid var(--gold-light);
    outline-offset: 3px;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(120, 180, 255, 0.3);
    color: #D7E3F5;
    backdrop-filter: blur(8px);
}

.btn-secondary:hover {
    border-color: var(--gold);
    color: var(--gold-light);
    background: rgba(201, 150, 73, 0.1);
    transform: translateY(-1px);
}

.btn-secondary:active {
    transform: translateY(0);
}

/* ===== Footer ===== */
.site-footer {
    background: var(--bg-mid);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 64px;
    font-size: 14px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-col h4 {
    font-size: 14px;
    color: var(--text-main);
    margin-bottom: 16px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: var(--text-secondary);
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: var(--gold-light);
}

.footer-brand .brand {
    margin-bottom: 12px;
}

.footer-desc {
    color: var(--text-muted);
    line-height: 1.7;
    max-width: 360px;
    margin-top: 14px;
    font-size: 14px;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: var(--text-secondary);
    margin-bottom: 12px;
    line-height: 1.6;
}

.footer-contact i {
    color: var(--gold);
    margin-top: 4px;
    width: 16px;
    flex-shrink: 0;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
    padding: 20px 0;
    font-size: 12px;
    color: var(--text-muted);
}

/* ===== Responsive ===== */
@media (min-width: 1024px) and (max-width: 1200px) {
    .container {
        padding: 0 32px;
    }
}

@media (max-width: 1024px) {
    :root {
        --space-section: 72px;
    }

    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .article-cover img {
        height: 340px;
    }
}

@media (max-width: 840px) {
    .nav-toggle {
        display: inline-flex;
        align-items: center;
        gap: 8px;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(10, 22, 38, 0.97);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        flex-direction: column;
        padding: 16px 24px;
        border-bottom: 1px solid var(--glass-border);
        box-shadow: var(--shadow-card);
        gap: 4px;
    }

    .nav-menu.open {
        display: flex;
    }

    .nav-menu a {
        width: 100%;
        padding: 12px 14px;
    }

    .header-inner {
        min-height: 64px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    .footer-col:first-child {
        grid-column: 1 / -1;
    }
}

@media (max-width: 640px) {
    :root {
        --space-section: 48px;
    }

    .container {
        padding: 0 18px;
    }

    .header-inner {
        padding: 0 18px;
    }

    .brand-text {
        font-size: 16px;
    }

    .brand-sub {
        font-size: 11px;
    }

    .breadcrumb {
        padding-top: 22px;
        font-size: 12px;
    }

    .breadcrumb .current {
        max-width: 180px;
    }

    .article-cover {
        margin-bottom: 24px;
    }

    .article-cover img {
        height: 220px;
    }

    .article-header {
        padding-top: 0;
    }

    .article-header h1 {
        font-size: 28px;
    }

    .article-summary {
        font-size: 15px;
    }

    .article-meta {
        gap: 10px;
    }

    .article-divider {
        margin: 24px auto 32px;
    }

    .article-content {
        font-size: 15px;
    }

    .article-content h2 {
        font-size: 22px;
    }

    .article-content h3 {
        font-size: 18px;
    }

    .article-content blockquote {
        padding: 14px 18px;
    }

    .related-section {
        margin-top: 48px;
    }

    .related-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .related-card {
        padding: 20px;
    }

    .article-cta {
        margin-top: 56px;
        padding: 40px 0;
    }

    .cta-inner {
        flex-direction: column;
        text-align: center;
    }

    .cta-inner h3 {
        font-size: 20px;
    }

    .btn {
        width: 100%;
        max-width: 320px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-col:first-child {
        grid-column: auto;
    }

    .footer-bottom {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}

@media (max-width: 420px) {
    .brand-mark {
        width: 36px;
        height: 36px;
        font-size: 18px;
    }

    .nav-menu {
        padding: 12px 18px;
    }

    .article-cover img {
        height: 190px;
    }
}