/* roulang page: index */
:root{
  --page-bg:#060B18;
  --panel-bg:#0C1526;
  --panel-soft:rgba(15,28,53,.62);
  --line:rgba(130,170,255,.16);
  --brand:#31E0FF;
  --brand-2:#4F7DFF;
  --gold:#F2C56B;
  --danger:#FF6D6D;
  --text-title:#EDF3FF;
  --text-body:#A6B4CF;
  --text-weak:#6D7E9C;
  --radius-card:20px;
  --radius-btn:999px;
  --gap:24px;
  --nav-h:76px;
  --shadow-glow:0 0 22px rgba(49,224,255,.18);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:92px}
body{
  margin:0;
  background:var(--page-bg);
  color:var(--text-body);
  font-family:'PingFang SC','Microsoft YaHei','Noto Sans SC',system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{margin:0;color:var(--text-title);line-height:1.25;font-weight:800}
h1{font-size:clamp(34px,5.5vw,56px);line-height:1.18;letter-spacing:.01em}
h2{font-size:clamp(24px,3vw,36px);line-height:1.3}
h3{font-size:20px;line-height:1.4}
p{margin:0}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
::selection{background:rgba(49,224,255,.25);color:#fff}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
.container{width:min(1200px,100% - clamp(32px,10vw,96px));margin-left:auto;margin-right:auto}
.section{padding:clamp(56px,8vw,96px) 0;position:relative}
.section-head{max-width:720px;margin:0 auto 48px;text-align:center}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.16em;color:var(--brand);
  background:rgba(49,224,255,.08);
  border:1px solid rgba(49,224,255,.18);
  padding:4px 14px;border-radius:999px;margin-bottom:18px;
}
.section-head h2{margin-bottom:14px}
.section-head p{color:var(--text-body);max-width:600px;margin:0 auto;font-size:16px}

/* 按钮体系 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 28px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;letter-spacing:.03em;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease;
  line-height:1.4;white-space:nowrap;border:1px solid transparent;
}
.btn:active{transform:scale(.98)}
.btn-primary{
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-2) 100%);
  color:#051024;box-shadow:0 0 14px rgba(49,224,255,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 28px rgba(49,224,255,.42);color:#020812}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-secondary{
  background:rgba(15,28,53,.5);
  border-color:rgba(49,224,255,.38);
  color:var(--text-title);
  backdrop-filter:blur(8px);
}
.btn-secondary:hover{background:rgba(49,224,255,.12);border-color:rgba(49,224,255,.7);transform:translateY(-2px)}
.btn-secondary:active{transform:translateY(0) scale(.98)}
.btn-ghost{
  background:transparent;border-color:rgba(130,170,255,.28);color:var(--text-body);
}
.btn-ghost:hover{background:rgba(130,170,255,.08);color:var(--text-title);border-color:rgba(130,170,255,.5)}
.btn-sm{padding:9px 20px;font-size:14px}
.btn-lg{padding:15px 36px;font-size:16px}

/* 标签徽章 */
.tag{
  display:inline-flex;align-items:center;
  font-size:13px;font-weight:500;color:var(--brand);
  background:rgba(49,224,255,.08);
  border:1px solid rgba(49,224,255,.22);
  border-radius:999px;padding:3px 12px;line-height:1.5;
}
.badge{
  display:inline-flex;align-items:center;gap:5px;
  font-size:12px;font-weight:600;line-height:1;
  border-radius:999px;padding:6px 12px;
  background:rgba(242,197,107,.1);color:var(--gold);
  border:1px solid rgba(242,197,107,.35);
}
.badge-hot{
  background:linear-gradient(135deg,rgba(242,197,107,.95),rgba(255,214,130,.95));
  color:#241503;border:none;
  box-shadow:0 0 16px rgba(242,197,107,.22);
}

/* Header导航 */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  height:var(--nav-h);
  transition:background .3s ease,box-shadow .3s ease,backdrop-filter .3s ease;
  background:transparent;border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(6,11,24,.86);
  backdrop-filter:blur(16px);
  border-bottom-color:rgba(130,170,255,.1);
  box-shadow:0 8px 30px rgba(0,0,0,.22);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;height:var(--nav-h)
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:20px;font-weight:900;color:var(--text-title);
  letter-spacing:.02em;flex-shrink:0;
}
.brand-mark{
  width:38px;height:38px;flex:none;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  border-radius:13px;position:relative;
  box-shadow:0 0 18px rgba(49,224,255,.35);
}
.brand-mark::after{
  content:'8';
  position:absolute;inset:0;
  display:flex;align-items:center;justify-content:center;
  color:#03101f;font-weight:900;font-size:21px;
  font-family:Georgia,'Times New Roman',serif;
}
.brand-em{color:var(--brand)}
.brand-sub{font-size:13px;font-weight:500;color:var(--text-weak);margin-left:2px}
.site-nav{display:flex;align-items:center;gap:6px}
.nav-link{
  display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:500;color:#C4D1EC;
  padding:9px 14px;border-radius:12px;
  position:relative;transition:color .2s,background .2s;
}
.nav-link:hover{color:#fff;background:rgba(49,224,255,.05)}
.nav-link.active{
  color:#fff;font-weight:600;
  background:rgba(49,224,255,.08);
}
.nav-link.active::after{
  content:'';position:absolute;left:18px;right:18px;bottom:-18px;height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
  box-shadow:0 0 8px rgba(49,224,255,.7);
}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;
  width:44px;height:44px;border-radius:12px;
  align-items:center;justify-content:center;
  background:rgba(255,255,255,.04);border:1px solid rgba(130,170,255,.2);
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:'';display:block;width:18px;height:2px;border-radius:2px;
  background:#fff;position:relative;transition:.3s;
}
.nav-toggle span::before{position:absolute;top:-6px}
.nav-toggle span::after{position:absolute;top:6px}
.nav-toggle.active span{background:transparent}
.nav-toggle.active span::before{top:0;transform:rotate(45deg)}
.nav-toggle.active span::after{top:0;transform:rotate(-45deg)}

.mobile-menu{
  display:none;
  position:fixed;inset:0;z-index:99;
  background:rgba(6,11,24,.96);
  backdrop-filter:blur(20px);
  padding:110px 28px 32px;
  flex-direction:column;gap:10px;
}
.mobile-menu.open{display:flex}
.mobile-menu .nav-link{justify-content:flex-start;font-size:20px;padding:14px 16px;color:#Dce7FF;border-bottom:1px solid rgba(130,170,255,.08)}
.mobile-menu .nav-link.active{color:#fff}

/* Hero */
.hero{
  position:relative;min-height:max(640px,calc(100vh - 70px));
  display:flex;align-items:center;
  background:radial-gradient(ellipse at 18% 18%,rgba(49,224,255,.14),transparent 42%),
             radial-gradient(ellipse at 88% 20%,rgba(79,125,255,.16),transparent 45%),
             radial-gradient(circle at 62% 86%,rgba(49,224,255,.08),transparent 40%),
             var(--page-bg);
  overflow:hidden;padding:110px 0 80px;
}
.hero-bg-pic{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.16;z-index:0;
}
.hero-grid-overlay{
  position:absolute;inset:0;z-index:0;
  background-image:linear-gradient(rgba(49,224,255,.04) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(49,224,255,.04) 1px,transparent 1px);
  background-size:44px 44px;
  opacity:.5;
  mask-image:radial-gradient(circle at 50% 50%,#000 30%,transparent 75%);
  -webkit-mask-image:radial-gradient(circle at 50% 50%,#000 30%,transparent 75%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}
.hero-copy{max-width:650px}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  margin-bottom:24px;font-size:14px;color:var(--brand);letter-spacing:.04em;
  background:rgba(49,224,255,.1);border:1px solid rgba(49,224,255,.2);
  border-radius:999px;padding:6px 16px;
}
.hero .h1-highlight{
  background:linear-gradient(120deg,#fff 0%,var(--brand) 75%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{
  margin:24px 0 0;color:rgba(216,228,255,.88);
  font-size:18px;max-width:560px;line-height:1.8;
  font-weight:400;letter-spacing:.02em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-scroll{
  position:absolute;left:50%;bottom:28px;transform:translateX(-50%);
  z-index:3;display:inline-flex;flex-direction:column;align-items:center;gap:6px;
  color:#6984a6;font-size:12px;letter-spacing:.14em;
  transition:color .2s;
}
.hero-scroll:hover{color:var(--brand)}
.hero-scroll-line{width:1px;height:32px;background:linear-gradient(to bottom,var(--brand),transparent);animation:dropLine 2.2s infinite}
@keyframes dropLine{0%{opacity:0;transform:translateY(-8px)}45%{opacity:1}100%{opacity:0;transform:translateY(10px)}}

/* 玩家面板 */
.player-panel{
  position:relative;
  background:linear-gradient(160deg,rgba(20,35,66,.86),rgba(8,14,30,.72));
  border:1px solid rgba(130,170,255,.24);
  border-radius:28px;
  padding:30px 28px 24px;
  backdrop-filter:blur(18px);
  box-shadow:0 20px 70px rgba(0,0,0,.35),inset 0 1px 0 rgba(255,255,255,.08);
  max-width:430px;margin-left:auto;
}
.player-panel::before{
  content:'';position:absolute;top:-2px;left:30px;right:30px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.28),transparent);
}
.player-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}
.player-title{font-size:14px;color:var(--text-body);font-weight:500}
.player-title strong{display:block;color:#fff;font-size:19px;line-height:1.4}
.player-lv{
  font-size:13px;font-weight:700;color:var(--brand);
  background:rgba(49,224,255,.1);border:1px solid rgba(49,224,255,.2);
  padding:6px 14px;border-radius:999px;white-space:nowrap;
}
.player-progress{margin:24px 0 18px}
.player-progress-title{display:flex;justify-content:space-between;font-size:13px;color:#9FB1d4;margin-bottom:8px}
.progress-track{height:7px;border-radius:8px;background:rgba(255,255,255,.07);overflow:hidden}
.progress-fill{height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--brand),var(--brand-2));box-shadow:0 0 10px rgba(49,224,255,.6);width:68%}
.player-mission-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
.player-mission-list li{
  display:flex;align-items:center;gap:10px;
  font-size:14px;color:#B9C8E8;
  background:rgba(255,255,255,.03);
  border:1px solid rgba(130,170,255,.08);
  border-radius:14px;padding:10px 14px;
}
.mission-check{width:22px;height:22px;flex:none;border-radius:50%;background:rgba(49,224,255,.12);border:1px solid rgba(49,224,255,.4);display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--brand)}

/* 信赖数据带 */
.trust-band{
  background:rgba(9,16,32,.7);
  border-top:1px solid rgba(49,224,255,.07);
  border-bottom:1px solid rgba(49,224,255,.07);
  padding:22px 0;
}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;text-align:center}
.trust-item{padding:12px 10px}
.trust-num{
  font-size:clamp(28px,4vw,40px);font-weight:800;color:var(--text-title);
  font-family:'Segoe UI',system-ui,sans-serif;
  background:linear-gradient(120deg,#fff 20%,#90B6FF 45%,var(--brand));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  line-height:1.2;
}
.trust-label{font-size:14px;color:var(--text-weak);margin-top:8px}

/* 阶梯区 */
.ladder-section{background:radial-gradient(ellipse at 20% 40%,rgba(49,224,255,.06),transparent 45%),var(--page-bg)}
.ladder-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;align-items:center;padding:10px 0 18px}
.stair-item{
  position:relative;
  background:linear-gradient(180deg,rgba(17,30,58,.7),rgba(9,16,32,.85));
  border:1px solid var(--line);
  border-radius:24px;
  padding:30px 26px;
  backdrop-filter:blur(8px);
  transition:transform .25s,border-color .25s,box-shadow .25s;
  height:100%;
  display:flex;flex-direction:column;
}
.stair-item:hover{
  transform:translateY(-4px);
  border-color:rgba(49,224,255,.4);
  box-shadow:0 12px 40px rgba(0,0,0,.34),0 0 20px rgba(49,224,255,.08);
}
.stair-item.level1{transform:translateY(26px)}
.stair-item.level2{transform:translateY(-6px);border-color:rgba(49,224,255,.35);box-shadow:0 12px 46px rgba(0,0,0,.4),0 0 30px rgba(49,224,255,.1)}
.stair-item.level3{transform:translateY(-38px)}
.stair-item.level1:hover,.stair-item.level2:hover,.stair-item.level3:hover{transform:translateY(calc(var(--offset,0px) - 5px))}
.stair-item.level1:hover{--offset:26px}
.stair-item.level2:hover{--offset:-6px}
.stair-item.level3:hover{--offset:-38px}
.stair-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}
.stair-icon{
  width:54px;height:54px;flex:none;border-radius:18px;
  background:linear-gradient(145deg,rgba(49,224,255,.15),rgba(79,125,255,.12));
  border:1px solid rgba(79,125,255,.3);
  display:flex;align-items:center;justify-content:center;
  font-size:20px;color:var(--brand);
  clip-path:polygon(50% 0,90% 20%,100% 60%,75% 100%,25% 100%,0 60%,10% 20%);
}
.stair-name{font-size:14px;color:var(--text-body);margin-bottom:4px}
.stair-item h3{font-size:24px;color:#fff}
.stair-benefit{font-size:15px;color:#D0DDF5;margin-top:10px;line-height:1.7}
.stair-cond{
  margin-top:14px;font-size:14px;color:var(--text-weak);
  border-top:1px dashed rgba(130,170,255,.18);padding-top:14px;
}
.stair-cond strong{display:block;color:#C3D1EE;font-weight:600;font-size:14px;margin-bottom:6px}
.stair-action{margin-top:auto;padding-top:22px}
.stair-item.level2 .badge{margin-left:auto}
.ladder-note{
  text-align:center;color:var(--text-weak);font-size:13px;
  margin-top:-18px;
}

/* 对比区 */
.compare-section{background:radial-gradient(ellipse at 88% 20%,rgba(79,125,255,.07),transparent 45%),var(--page-bg)}
.compare-intro-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center;margin-bottom:42px}
.compare-intro h2{font-size:clamp(24px,3vw,34px);margin-bottom:18px}
.compare-intro p{color:var(--text-body);line-height:1.95}
.compare-cover{
  border-radius:22px;overflow:hidden;position:relative;
  box-shadow:0 0 0 1px rgba(130,170,255,.12),0 20px 40px rgba(0,0,0,.35);
}
.compare-cover img{width:100%;height:100%;object-fit:cover;min-height:240px}
.compare-cover::after{content:'';position:absolute;inset:0;background:linear-gradient(120deg,rgba(49,224,255,.08),transparent)}
.compare-cover-caption{
  position:absolute;left:16px;bottom:16px;z-index:2;
  background:rgba(6,11,24,.7);backdrop-filter:blur(10px);
  border:1px solid rgba(130,170,255,.2);
  border-radius:14px;padding:10px 18px;font-size:14px;color:#fff;
}
.compare-wrap{
  border-radius:24px;overflow-x:auto;
  background:rgba(12,21,38,.6);
  border:1px solid var(--line);
  box-shadow:0 18px 60px rgba(0,0,0,.25);
  padding-bottom:8px;
}
table.compare-table{width:100%;min-width:960px;border-collapse:collapse;font-size:14px}
.compare-table th,.compare-table td{padding:18px 20px;text-align:left;vertical-align:top;border-bottom:1px solid rgba(130,170,255,.09)}
.compare-table thead th{
  font-size:15px;font-weight:700;color:#fff;
  background:linear-gradient(180deg,rgba(15,28,53,.9),rgba(9,16,32,.9));
  position:sticky;top:0;
}
.compare-table td:first-child{
  color:#C9D6F5;font-weight:600;background:rgba(12,21,38,.6);
  white-space:nowrap
}
.compare-table .hot-cel{
  background:rgba(49,224,255,.065);
  box-shadow:inset 0 0 24px rgba(49,224,255,.04);
}
.compare-table thead th.hot-cel{background:rgba(18,41,72,.9)}
.compare-table tbody tr:last-child td{border-bottom:none}
.compare-item-name{display:inline-flex;align-items:center;gap:8px}
.compare-note{color:var(--text-weak);font-size:13px;margin-top:14px;text-align:right}

/* 资讯动态区 */
.news-section{
  background:radial-gradient(circle at 70% 20%,rgba(49,224,255,.07),transparent 35%),
             radial-gradient(circle at 15% 60%,rgba(79,125,255,.06),transparent 30%),var(--page-bg);
  border-top:1px solid rgba(130,170,255,.06);
}
.news-layout{display:grid;grid-template-columns:1.5fr .9fr;gap:26px}
.news-feature{
  position:relative;border-radius:22px;overflow:hidden;
  background:linear-gradient(180deg,rgba(20,36,70,.8),rgba(8,14,28,.86));
  border:1px solid rgba(130,170,255,.15);
  box-shadow:0 22px 60px rgba(0,0,0,.3);
  min-height:320px;
  display:flex;flex-direction:column;justify-content:flex-end;
}
.news-feature .feature-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.55}
.news-feature::after{content:'';position:absolute;inset:0;background:linear-gradient(transparent 18%,rgba(5,10,24,.92) 100%)}
.news-feature-content{position:relative;z-index:2;padding:26px;color:#fff}
.news-feature-content .tag{margin-bottom:12px}
.news-feature-content h3{font-size:24px;line-height:1.45;margin-bottom:10px}
.news-feature-content h3 a:hover,.news-feature-content h3 a:focus{color:var(--brand)}
.news-feature-content p{color:#BCD0F1;font-size:14px;max-width:480px;line-height:1.75;margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-feature-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-weak)}
.news-feature-meta time{color:var(--text-weak)}
.news-aside{display:flex;flex-direction:column;gap:20px}
.news-aside-card{
  display:flex;gap:14px;align-items:center;
  background:linear-gradient(145deg,rgba(17,30,58,.75),rgba(8,14,28,.8));
  border:1px solid var(--line);
  border-radius:20px;padding:14px;
  transition:border-color .2s,box-shadow .2s,transform .2s;
}
.news-aside-card:hover{transform:translateY(-3px);border-color:rgba(49,224,255,.3);box-shadow:0 10px 26px rgba(0,0,0,.3)}
.news-aside-card img{
  width:92px;height:86px;object-fit:cover;border-radius:14px;flex:none;
}
.news-aside-card h3{font-size:15px;font-weight:700;line-height:1.6;color:#DCE7FE;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-aside-card h3:hover{color:var(--brand)}
.news-aside-meta{display:flex;align-items:center;gap:8px;margin-top:8px}
.news-list-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:26px}
.news-list-item{
  display:flex;flex-direction:column;gap:10px;
  background:rgba(12,21,38,.6);
  border:1px solid rgba(130,170,255,.08);
  border-radius:18px;padding:18px;
  transition:border-color .2s,background .2s;
}
.news-list-item:hover{border-color:rgba(49,224,255,.3);background:rgba(16,28,53,.72)}
.news-list-item h3{font-size:15px;color:#D9E5FE;line-height:1.65;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-list-item h3:hover{color:var(--brand)}
.news-list-item p{color:var(--text-body);font-size:14px;line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0}
.news-list-meta{display:flex;align-items:center;justify-content:space-between;margin-top:2px;font-size:13px;color:var(--text-weak)}
.read-more{color:var(--brand);font-size:13px;display:inline-flex;align-items:center;gap:5px}
.read-more:hover{text-decoration:underline}
.empty-box{
  grid-column:1/-1;
  min-height:260px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;
  background:rgba(15,28,53,.28);
  border:1px dashed rgba(130,170,255,.22);
  border-radius:24px;padding:40px;text-align:center;
}
.empty-icon{font-size:42px;color:var(--brand);opacity:.6;width:76px;height:76px;display:flex;align-items:center;justify-content:center;background:rgba(49,224,255,.06);border-radius:22px}
.empty-box p{color:var(--text-body)}

/* 限时活动 */
.activity-section{background:linear-gradient(180deg,var(--page-bg),rgba(10,18,34,.96));padding-bottom:0}
.activity-panel{
  position:relative;
  background:linear-gradient(150deg,rgba(49,224,255,.14),rgba(79,125,255,.08) 45%,rgba(12,21,38,.9));
  border:1px solid rgba(49,224,255,.32);
  border-radius:30px;
  padding:44px 48px;
  overflow:hidden;
  display:grid;grid-template-columns:1.35fr .65fr;gap:40px;align-items:center;
  box-shadow:0 0 80px rgba(49,224,255,.08),inset 0 1px 0 rgba(255,255,255,.1);
}
.activity-panel::before{
  content:'';position:absolute;top:12px;left:36px;right:36px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.18),transparent);
}
.activity-panel .activity-bgimg{
  position:absolute;right:0;top:0;bottom:0;width:55%;opacity:.25;object-fit:cover;z-index:0;
}
.activity-head{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.activity-head .badge{margin-left:auto}
.activity-copy{position:relative;z-index:2}
.activity-copy h3{font-size:clamp(20px,2vw,30px);margin:6px 0 10px;color:#fff}
.activity-copy p{color:#AFC2E4;font-size:14px;max-width:520px;line-height:1.9}
.countdown-group{display:flex;gap:14px;margin:28px 0 4px}
.time-box{
  min-width:72px;text-align:center;
  background:rgba(6,12,24,.72);
  border:1px solid rgba(130,170,255,.12);
  border-radius:18px;padding:12px 8px 8px;
}
.time-num{font-size:30px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;letter-spacing:.02em;line-height:1.2}
.time-label{font-size:12px;color:var(--text-weak);display:block;margin-top:2px}
.activity-note{font-size:12px;color:rgba(166,180,207,.7);margin-top:14px}
.activity-visual{position:relative;z-index:2;display:flex;justify-content:flex-end}
.activity-visual-img{
  border-radius:22px;overflow:hidden;
  width:100%;max-width:260px;
  border:1px solid rgba(49,224,255,.28);
  box-shadow:0 14px 44px rgba(0,0,0,.34);
}
.activity-visual-img img{width:100%;height:100%;object-fit:cover}

/* FAQ */
.faq-section{background:radial-gradient(ellipse at 20% 30%,rgba(49,224,255,.04),transparent 45%),var(--page-bg)}
.faq-container{max-width:860px;margin-left:auto;margin-right:auto}
.faq-item{
  background:rgba(15,28,53,.5);
  border:1px solid var(--line);
  border-radius:20px;
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .25s,box-shadow .25s;
}
.faq-item.active{border-color:rgba(49,224,255,.4);box-shadow:0 0 0 1px rgba(49,224,255,.12),0 10px 30px rgba(0,0,0,.2)}
.faq-question{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 24px;text-align:left;
}
.faq-q-text{
  font-size:16px;font-weight:600;color:#E0E9FF;line-height:1.6;margin:0;
  transition:color .2s;
}
.faq-question:hover .faq-q-text{color:#fff}
.faq-item.active .faq-q-text{color:var(--brand)}
.faq-icon{
  width:28px;height:28px;flex:none;position:relative;
  border-radius:50%;
  background:rgba(49,224,255,.1);
  border:1px solid rgba(49,224,255,.3);
  transition:transform .3s,background .3s;
}
.faq-icon::before,.faq-icon::after{
  content:'';position:absolute;top:50%;left:50%;
  width:12px;height:2px;border-radius:2px;background:var(--brand);
  transform:translate(-50%,-50%);
}
.faq-icon::after{width:2px;height:12px;transition:opacity .2s}
.faq-item.active .faq-icon{background:rgba(49,224,255,.22);transform:rotate(180deg)}
.faq-item.active .faq-icon::after{opacity:0}
.faq-answer{
  max-height:0;overflow:hidden;padding:0 26px;
  transition:max-height .35s ease,padding .3s ease;
}
.faq-item.active .faq-answer{max-height:300px;padding:0 24px 22px}
.faq-answer p{color:var(--text-body);font-size:15px;line-height:1.9;padding-top:2px}

/* 咨询区 */
.contact-section{
  background:
    radial-gradient(circle at 15% 80%,rgba(49,224,255,.12),transparent 38%),
    radial-gradient(circle at 85% 25%,rgba(79,125,255,.12),transparent 40%),
    var(--page-bg);
  border-top:1px solid rgba(130,170,255,.06);
}
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:60px;align-items:center}
.contact-left h2{font-size:clamp(22px,2.6vw,34px);line-height:1.4;margin-bottom:16px}
.contact-left .lead{font-size:15px;color:var(--text-body);line-height:2;max-width:420px}
.contact-matrix{display:flex;flex-direction:column;gap:16px;margin-top:30px}
.matrix-item{
  display:flex;align-items:center;gap:14px;
  width:fit-content;
  background:rgba(15,28,53,.62);
  border:1px solid rgba(130,170,255,.14);
  border-radius:16px;padding:12px 18px;
}
.matrix-mark{
  width:36px;height:36px;flex:none;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(145deg,rgba(49,224,255,.18),rgba(79,125,255,.12));
  color:var(--brand);font-weight:700;
}
.matrix-text strong{display:block;color:#DCE7FE;font-size:14px;font-weight:600}
.matrix-text span{font-size:13px;color:var(--text-weak)}
.contact-form-card{
  background:linear-gradient(160deg,rgba(15,28,53,.8),rgba(8,14,30,.92));
  border:1px solid var(--line);
  border-radius:28px;
  padding:34px 30px;
  box-shadow:0 24px 80px rgba(0,0,0,.3),inset 0 1px 0 rgba(255,255,255,.06);
}
.contact-form-card h3{font-size:20px;color:#fff;margin-bottom:6px}
.form-subtitle{font-size:14px;color:var(--text-weak);margin-bottom:26px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{margin-bottom:0}
.form-group.full{grid-column:1/-1}
.form-label{display:block;font-size:13px;font-weight:600;color:#CAD6F3;margin-bottom:6px}
.form-control{
  width:100%;background:rgba(6,11,24,.66);
  border:1px solid rgba(130,170,255,.16);
  border-radius:13px;color:var(--text-title);
  padding:12px 15px;font-size:15px;
  transition:border-color .2s,box-shadow .2s;
}
.form-control::placeholder{color:#4f5f7c}
.form-control:focus{
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(49,224,255,.16);
  outline:none;
}
select.form-control{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#91A8C9 50%),linear-gradient(135deg,#91A8C9 50%,transparent 50%);background-position:calc(100% - 20px) 50%,calc(100% - 14px) 50%;background-size:6px 6px;background-repeat:no-repeat}
textarea.form-control{min-height:96px;resize:vertical}
.form-check{display:flex;align-items:flex-start;gap:10px;grid-column:1/-1;font-size:13px;color:var(--text-weak);line-height:1.6}
.form-check input{width:17px;height:17px;accent-color:var(--brand);margin-top:3px;flex:none}
.form-submit{grid-column:1/-1;display:flex;flex-direction:column;align-items:flex-start;gap:10px;margin-top:8px}
.form-foot{font-size:12px;color:#55647f;line-height:1.6}

/* Footer */
.site-footer{
  background:#050a14;
  border-top:1px solid rgba(130,170,255,.09);
  padding:54px 0 0;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.4fr;gap:36px;padding-bottom:44px}
.footer-brand{display:flex;flex-direction:column;gap:14px}
.footer-brand .brand{font-size:18px}
.footer-brand p{font-size:14px;color:var(--text-weak);max-width:280px;line-height:1.9}
.footer-col-title{font-size:14px;color:#fff;font-weight:700;margin-bottom:14px}
.footer-col a.footer-link{display:block;font-size:14px;color:var(--text-body);padding:7px 0;transition:color .2s,transform .2s}
.footer-col a.footer-link:hover{color:var(--brand);transform:translateX(3px)}
.footer-contact-list{display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--text-body)}
.footer-contact-list a{color:#9FD6FA}
.footer-contact-list a:hover{color:var(--brand)}
.footer-bottom{
  border-top:1px solid rgba(130,170,255,.08);
  padding:18px 0 20px;
  font-size:13px;color:#4d5d78;
}
.footer-bottom .container{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:space-between}
.footer-bottom a{color:#7c8fae}
.footer-bottom a:hover{color:var(--brand)}

/* 响应式 */
@media (max-width:1180px){
  .compare-intro-grid{grid-template-columns:1fr;gap:28px}
}
@media (max-width:1024px){
  .hero{padding-top:110px;padding-bottom:110px}
  .hero-inner{grid-template-columns:1fr;gap:38px}
  .player-panel{margin-left:0;max-width:520px}
  .site-nav{display:none}
  .nav-toggle{display:inline-flex}
  .trust-grid{grid-template-columns:repeat(2,1fr);row-gap:10px}
  .news-layout,.compare-section .container{grid-template-columns:1fr}
  .ladder-grid{grid-template-columns:repeat(3,1fr);gap:14px}
  .stair-item.level1,.stair-item.level2,.stair-item.level3{transform:none}
  .stair-item:hover{transform:translateY(-4px)}
  .contact-grid{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  .container{width:min(100% - 40px,1200px)}
  .section{padding:56px 0}
  .section-head{margin-bottom:34px}
  h1{font-size:clamp(30px,8vw,42px)}
  .ladder-grid{grid-template-columns:1fr;gap:22px}
  .news-list-row{grid-template-columns:1fr}
  .news-list-item p{display:none}
  .activity-panel{grid-template-columns:1fr;padding:30px 22px;gap:28px}
  .activity-visual{display:none}
  .countdown-group{gap:10px}
  .time-box{min-width:64px}
  .form-grid{grid-template-columns:1fr}
  .form-group.full{grid-column:auto}
  .form-check{grid-column:auto}
  .form-submit{grid-column:auto}
  .btn-lg{width:100%;max-width:300px}
  .hero-actions .btn{flex:1;max-width:220px;justify-content:center}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom .container{flex-direction:column;text-align:center}
  .footer-bottom span{display:block}
  .news-aside-card img{width:86px;height:76px}
}
@media (max-width:520px){
  .container{width:calc(100% - 32px)}
  .hero{min-height:auto;padding:96px 0 76px}
  .hero-actions{flex-direction:column;align-items:flex-start}
  .hero-actions .btn{max-width:100%}
  .player-panel{padding:22px 18px}
  .hero-scroll{display:none}
  .trust-grid{grid-template-columns:1fr 1fr;gap:0}
  .trust-item{padding:8px}
  .trust-num{font-size:28px}
  .contact-form-card{padding:22px 18px}
  .compare-table{min-width:760px}
  .activity-copy p{font-size:14px}
}

/* roulang page: category1 */
:root {
  --page-bg: #060B18;
  --panel-bg: #0C1526;
  --panel-soft: rgba(15, 28, 53, 0.62);
  --line: rgba(130, 170, 255, 0.16);
  --brand: #31E0FF;
  --brand-2: #4F7DFF;
  --gold: #F2C56B;
  --danger: #FF6D6D;
  --text-title: #EDF3FF;
  --text-body: #A6B4CF;
  --text-mute: #6D7E9C;
  --radius-card: 20px;
  --shadow-glow: 0 0 40px rgba(49, 224, 255, 0.12);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  background:
    radial-gradient(900px 600px at 8% -4%, rgba(49, 224, 255, 0.08), transparent 60%),
    radial-gradient(1000px 700px at 90% 24%, rgba(79, 125, 255, 0.07), transparent 55%),
    radial-gradient(800px 500px at 50% 96%, rgba(49, 224, 255, 0.04), transparent 55%),
    var(--page-bg);
  background-attachment: fixed;
  color: var(--text-body);
  font-size: 15px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.045;
  background-image:
    linear-gradient(rgba(120, 200, 255, 0.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 200, 255, 0.5) 1px, transparent 1px),
    repeating-linear-gradient(135deg, transparent 0 14px, rgba(49, 224, 255, 0.8) 14px 15px);
  background-size: 36px 36px, 36px 36px, 30px 30px;
  z-index: 0;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  border: none;
  cursor: pointer;
  background: none;
  color: inherit;
}

.container {
  width: min(1200px, 100% - clamp(32px, 8vw, 96px));
  margin-inline: auto;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 60;
  padding: 14px 0;
  transition: background .35s ease, box-shadow .35s ease, border-color .35s ease;
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
  background: rgba(6, 11, 24, 0.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom-color: var(--line);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.26);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 42px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  line-height: 1;
  color: var(--text-title);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: 0.02em;
}

.brand-mark {
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  box-shadow: 0 0 16px rgba(49, 224, 255, 0.4);
  position: relative;
  flex-shrink: 0;
}

.brand-mark::after {
  content: "8";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: #04101F;
  font-weight: 900;
  font-size: 16px;
  line-height: 1;
}

.brand-em {
  color: var(--brand);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav-link {
  position: relative;
  padding: 8px 2px;
  font-size: 15px;
  color: var(--text-body);
  font-weight: 500;
  transition: color .25s ease;
}

.nav-link:hover {
  color: var(--text-title);
}

.nav-link.active {
  color: var(--text-title);
  font-weight: 600;
}

.nav-link.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
  box-shadow: 0 0 10px rgba(49, 224, 255, 0.75);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-weight: 600;
  line-height: 1.2;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, opacity .2s ease;
  min-height: 42px;
  padding: 0 20px;
  gap: 8px;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #041425;
  box-shadow: 0 0 18px rgba(49, 224, 255, 0.26);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(49, 224, 255, 0.4);
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--line);
  color: var(--text-title);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(130, 170, 255, 0.32);
  transform: translateY(-2px);
}

.btn-sm {
  min-height: 38px;
  padding: 0 16px;
  font-size: 14px;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid var(--line);
  position: relative;
  background: rgba(15, 28, 53, 0.5);
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 12px;
  width: 16px;
  height: 2px;
  border-radius: 2px;
  background: var(--text-title);
  transition: transform .3s ease, opacity .3s ease;
}

.nav-toggle span {
  top: 19px;
}

.nav-toggle span::before {
  top: -6px;
}

.nav-toggle span::after {
  top: 6px;
}

.nav-toggle[aria-expanded="true"] span {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] span::before {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span::after {
  transform: translateY(-6px) rotate(-45deg);
}

.site-footer {
  border-top: 1px solid var(--line);
  background: rgba(6, 11, 24, 0.9);
  margin-top: 60px;
  position: relative;
  z-index: 2;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding: 64px 0 40px;
}

.footer-brand .brand {
  font-size: 20px;
  margin-bottom: 12px;
}

.footer-brand p {
  margin-top: 12px;
  font-size: 14px;
  color: var(--text-mute);
  max-width: 320px;
}

.footer-col-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-title);
  margin-bottom: 14px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link {
  color: var(--text-body);
  font-size: 14px;
  transition: color .2s ease;
  width: fit-content;
}

.footer-link:hover {
  color: var(--brand);
}

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 14px;
  color: var(--text-mute);
}

.footer-bottom {
  border-top: 1px solid var(--line);
  padding: 16px 0;
  font-size: 13px;
  color: var(--text-mute);
}

.footer-bottom .container {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  justify-content: space-between;
}

/* category hero */
.cat-hero {
  position: relative;
  z-index: 1;
  min-height: 320px;
  display: flex;
  align-items: center;
  padding: 160px 0 70px;
  overflow: hidden;
  border-bottom: 1px solid rgba(130, 170, 255, 0.09);
}

.cat-hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(90deg, rgba(6, 11, 24, 0.96) 0%, rgba(6, 11, 24, 0.72) 55%, rgba(9, 20, 38, 0.68) 100%),
    url("/assets/images/backpic/back-2.png") center / cover no-repeat;
}

.cat-breadcrumb {
  font-size: 13px;
  color: var(--text-mute);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
}

.cat-breadcrumb a:hover {
  color: var(--brand);
}

.cat-hero h1 {
  font-size: clamp(34px, 5vw, 48px);
  font-weight: 800;
  color: var(--text-title);
  line-height: 1.2;
  letter-spacing: .01em;
  max-width: 820px;
}

.cat-hero .cat-lead {
  margin-top: 18px;
  font-size: 17px;
  color: var(--text-body);
  line-height: 1.9;
  max-width: 680px;
}

.cat-hero-actions {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.cat-hero-meta {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  color: var(--text-mute);
  font-size: 13px;
}

.cat-hero-meta span {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  background: rgba(15, 28, 53, 0.5);
  border-radius: 999px;
  border: 1px solid var(--line);
}

/* anchor bar */
.cat-anchor-bar {
  position: sticky;
  top: 74px;
  z-index: 40;
  background: rgba(6, 11, 24, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  padding: 12px 0;
  margin-bottom: 64px;
}

.anchor-inner {
  display: flex;
  align-items: center;
  gap: 10px 14px;
  flex-wrap: wrap;
}

.anchor-link {
  font-size: 14px;
  color: var(--text-body);
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
  transition: all .2s ease;
}

.anchor-link:hover {
  color: var(--brand);
  border-color: rgba(49, 224, 255, 0.4);
}

.anchor-link:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

/* split blocks */
.cat-main {
  position: relative;
  z-index: 2;
}

.split-block {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.9fr);
  gap: clamp(32px, 6vw, 72px);
  align-items: center;
  padding: 58px 0 70px;
}

.split-block + .split-block {
  border-top: 1px solid rgba(130, 170, 255, 0.08);
}

.split-copy {
  max-width: 620px;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  background: rgba(49, 224, 255, 0.08);
  color: var(--brand);
  font-size: 13px;
  font-weight: 600;
  padding: 5px 12px;
}

.section-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  margin-right: 8px;
  box-shadow: 0 0 10px currentColor;
}

.split-copy h2 {
  font-size: clamp(26px, 2.5vw, 34px);
  font-weight: 800;
  line-height: 1.35;
  color: var(--text-title);
  margin: 16px 0 16px;
}

.split-copy p {
  margin-bottom: 16px;
}

.split-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 18px 0 0;
}

.split-list li {
  position: relative;
  padding-left: 24px;
  color: var(--text-body);
}

.split-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 3px;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  box-shadow: 0 0 8px rgba(49, 224, 255, 0.55);
}

.callout {
  border-radius: var(--radius-card);
  background: rgba(242, 197, 107, 0.06);
  border: 1px solid rgba(242, 197, 107, 0.2);
  padding: 16px 20px;
  font-size: 14px;
  color: rgba(237, 243, 255, 0.84);
  margin-top: 22px;
}

.callout strong {
  color: var(--gold);
  font-weight: 600;
}

.cat-figure {
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--line);
  background: rgba(15, 28, 53, 0.6);
  box-shadow: 0 14px 50px rgba(0, 0, 0, 0.26);
  position: relative;
}

.cat-figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.split-reverse .cat-figure {
  order: -1;
}

/* step section */
.step-section {
  padding: 70px 0;
  border-top: 1px solid rgba(130, 170, 255, 0.08);
  position: relative;
}

.section-head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 46px;
}

.section-head .section-badge {
  margin-bottom: 8px;
}

.section-head h2 {
  font-size: clamp(27px, 3vw, 36px);
  line-height: 1.35;
  color: var(--text-title);
  font-weight: 800;
  margin-top: 14px;
}

.section-head p {
  margin-top: 14px;
  font-size: 15px;
  line-height: 1.9;
}

.timeline-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.timeline-card {
  background: var(--panel-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 28px 24px;
  position: relative;
  overflow: hidden;
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}

.timeline-card:hover {
  transform: translateY(-6px);
  border-color: rgba(49, 224, 255, 0.34);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.22), var(--shadow-glow);
}

.timeline-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 32px;
  width: 36px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--brand), transparent);
}

.timeline-num {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--brand);
  text-transform: uppercase;
}

.timeline-card h3 {
  font-size: 20px;
  color: var(--text-title);
  font-weight: 700;
  margin: 12px 0 10px;
  line-height: 1.5;
}

.timeline-card p {
  font-size: 14px;
  color: var(--text-mute);
  line-height: 1.85;
}

.timeline-tag {
  display: inline-block;
  margin-top: 16px;
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--text-body);
  background: rgba(49, 224, 255, 0.05);
}

/* scenario mini panels */
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.scenario-card {
  border-radius: var(--radius-card);
  background: rgba(15, 28, 53, 0.4);
  border: 1px solid var(--line);
  padding: 26px 24px;
  transition: background .25s ease, border-color .25s ease, transform .25s ease;
}

.scenario-card:hover {
  background: rgba(15, 28, 53, 0.74);
  border-color: rgba(49, 224, 255, 0.3);
  transform: translateY(-4px);
}

.scenario-icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: rgba(49, 224, 255, 0.1);
  border: 1px solid rgba(49, 224, 255, 0.16);
  color: var(--brand);
  font-weight: 800;
  font-size: 19px;
  margin-bottom: 16px;
}

.scenario-card h3 {
  font-size: 18px;
  color: var(--text-title);
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 8px;
}

.scenario-card p {
  font-size: 14px;
  color: var(--text-mute);
  line-height: 1.85;
}

/* faq */
.faq-section {
  padding: 70px 0;
  border-top: 1px solid rgba(130, 170, 255, 0.08);
}

.faq-wrap {
  width: min(820px, 100%);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  border: 1px solid var(--line);
  background: rgba(12, 21, 38, 0.58);
  border-radius: 16px;
  overflow: hidden;
  transition: border-color .25s ease;
}

.faq-item:first-child {
  border-color: rgba(49, 224, 255, 0.36);
}

.faq-button {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  text-align: left;
  color: var(--text-title);
  font-weight: 600;
  font-size: 16px;
  padding: 20px 22px;
  transition: background .2s ease;
}

.faq-button:hover {
  background: rgba(49, 224, 255, 0.04);
}

.faq-button:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: -2px;
}

.faq-icon {
  position: relative;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1px solid var(--line);
  flex-shrink: 0;
  background: rgba(255, 255, 255, 0.02);
  transition: transform .3s ease;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  background: var(--brand);
  border-radius: 2px;
}

.faq-icon::before {
  left: 5px;
  top: 9px;
  width: 10px;
  height: 2px;
}

.faq-icon::after {
  left: 5px;
  top: 9px;
  width: 2px;
  height: 10px;
  transform: scaleY(0);
  transition: transform .25s ease;
}

.faq-button[aria-expanded="true"] .faq-icon {
  border-color: rgba(49, 224, 255, 0.5);
  transform: rotate(180deg);
}

.faq-button[aria-expanded="true"] .faq-icon::after {
  transform: scaleY(0);
}

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
}

.faq-content-inner {
  padding: 0 22px 20px 54px;
  font-size: 14px;
  color: var(--text-mute);
  line-height: 1.9;
}

/* bottom context */
.bottom-zone {
  position: relative;
  z-index: 2;
  padding: 40px 0 30px;
}

.bottom-zone::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(600px 220px at 50% 50%, rgba(49, 224, 255, 0.1), transparent 70%);
}

.bottom-card {
  border-radius: 28px;
  border: 1px solid rgba(49, 224, 255, 0.2);
  background: linear-gradient(135deg, rgba(15, 28, 53, 0.7), rgba(8, 16, 30, 0.92));
  padding: clamp(30px, 5vw, 56px);
  text-align: center;
  box-shadow: 0 0 50px rgba(49, 224, 255, 0.08);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.bottom-card h2 {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 800;
  color: var(--text-title);
  line-height: 1.4;
  max-width: 680px;
}

.bottom-card p {
  margin-top: 12px;
  color: var(--text-mute);
  max-width: 660px;
  font-size: 14px;
}

.bottom-actions-item {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}

/* responsive */
@media (max-width: 1024px) {
  .site-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(320px, 88vw);
    background: rgba(5, 9, 20, 0.96);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 80px 36px 40px;
    transform: translateX(100%);
    transition: transform .3s ease;
    gap: 22px;
    border-left: 1px solid var(--line);
    box-shadow: 0 0 60px rgba(0, 0, 0, 0.4);
  }

  .site-nav.nav-open {
    transform: translateX(0);
  }

  .site-nav .nav-link {
    font-size: 18px;
    color: var(--text-title);
  }

  .nav-toggle {
    display: block;
  }

  .header-actions:has(.btn-sm) {
    display: none;
  }

  .site-nav .btn {
    display: inline-flex;
  }

  .split-block {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .split-reverse .cat-figure {
    order: 0;
  }

  .timeline-grid,
  .scenario-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 36px;
  }
}

@media (max-width: 768px) {
  .cat-hero {
    min-height: auto;
    padding: 136px 0 48px;
  }

  .cat-hero h1 {
    font-size: 31px;
  }

  .cat-hero .cat-lead {
    font-size: 15px;
  }

  .cat-anchor-bar {
    top: 70px;
    overflow-x: auto;
    margin-bottom: 34px;
  }

  .anchor-inner {
    flex-wrap: nowrap;
    width: max-content;
    min-width: 100%;
    padding-bottom: 2px;
  }

  .timeline-grid,
  .scenario-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .faq-content-inner {
    padding-left: 22px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 44px 0 30px;
  }

  .bottom-card {
    padding: 30px 20px;
    border-radius: 22px;
  }
}

@media (max-width: 520px) {
  .split-block {
    padding: 44px 0;
  }

  .step-section,
  .faq-section {
    padding: 52px 0;
  }

  .cat-figure,
  .cat-figure img {
    border-radius: 16px;
  }

  .cat-figure {
    border-radius: 16px;
  }

  .btn {
    width: 100%;
    max-width: 340px;
  }

  .cat-hero-actions {
    width: 100%;
    flex-direction: column;
  }

  .brand {
    font-size: 18px;
  }

  .bottom-actions-item {
    width: 100%;
  }

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

/* roulang page: article */
:root {
    --page-bg: #060B18;
    --panel-bg: #0C1526;
    --line: rgba(130, 170, 255, 0.16);
    --brand: #31E0FF;
    --brand-2: #4F7DFF;
    --gold: #F2C56B;
    --danger: #FF6D6D;
    --text-title: #EDF3FF;
    --text-body: #A6B4CF;
    --text-muted: #6D7E9C;
    --radius-card: 20px;
    --radius-btn: 999px;
    --container-width: 1200px;
    --space-section: 92px;
    --shadow-soft: 0 18px 44px rgba(0, 0, 0, 0.22);
    --glow-primary: 0 0 0 1px rgba(49, 224, 255, 0.12), 0 10px 30px rgba(49, 224, 255, 0.12);
  }

  html {
    scroll-behavior: smooth;
  }

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

  html,
  body {
    margin: 0;
    padding: 0;
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
    background: var(--page-bg);
    color: var(--text-body);
    line-height: 1.75;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }

  body {
    min-height: 100vh;
    background-image:
      radial-gradient(circle at 8% 0%, rgba(49, 224, 255, 0.09), transparent 30%),
      radial-gradient(circle at 92% 16%, rgba(79, 125, 255, 0.08), transparent 34%),
      radial-gradient(circle at 50% 100%, rgba(49, 224, 255, 0.04), transparent 40%);
    background-repeat: no-repeat;
    background-attachment: fixed;
  }

  body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background-image: linear-gradient(rgba(130, 170, 255, 0.025) 1px, transparent 1px), linear-gradient(90deg, rgba(130, 170, 255, 0.025) 1px, transparent 1px);
    background-size: 54px 54px;
    mask-image: radial-gradient(circle at center, rgba(0, 0, 0, 0.8), transparent 85%);
  }

  img {
    max-width: 100%;
    display: block;
    border: 0;
  }

  a {
    color: inherit;
    text-decoration: none;
  }

  button {
    font-family: inherit;
    cursor: pointer;
    color: inherit;
    background: none;
    border: 0;
    line-height: 1;
  }

  .container {
    width: min(var(--container-width), 100% - clamp(32px, 10vw, 96px));
    margin-left: auto;
    margin-right: auto;
  }

  .section {
    padding-top: var(--space-section);
    padding-bottom: var(--space-section);
  }

  .site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    height: 78px;
    display: flex;
    align-items: center;
    transition: background 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
    background: rgba(6, 11, 24, 0.56);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid transparent;
  }

  .site-header.scrolled {
    background: rgba(6, 11, 24, 0.84);
    border-bottom-color: var(--line);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.26);
  }

  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    width: min(var(--container-width), 100% - clamp(32px, 8vw, 96px));
    margin: 0 auto;
    min-height: 78px;
  }

  .brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--text-title);
    font-weight: 800;
    font-size: 20px;
    letter-spacing: 0.01em;
    line-height: 1.2;
    white-space: nowrap;
  }

  .brand-mark {
    position: relative;
    display: inline-block;
    width: 34px;
    height: 34px;
    flex: 0 0 auto;
    background:
      radial-gradient(circle at 50% 50%, rgba(49, 224, 255, 0.95), rgba(49, 224, 255, 0.15)),
      var(--panel-bg);
    border-radius: 11px;
    box-shadow: 0 0 0 1px rgba(49, 224, 255, 0.2), 0 0 22px rgba(49, 224, 255, 0.22);
  }

  .brand-mark::before {
    content: "8";
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    color: #06101F;
    font-size: 21px;
    font-weight: 900;
  }

  .brand-em {
    color: var(--brand);
  }

  .site-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
  }

  .nav-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    padding: 9px 18px;
    color: var(--text-body);
    border-radius: var(--radius-btn);
    font-size: 15px;
    font-weight: 500;
    transition: color 0.25s ease, background 0.25s ease;
  }

  .nav-link:hover {
    color: var(--text-title);
    background: rgba(130, 170, 255, 0.08);
  }

  .nav-link.active {
    color: var(--brand);
    background: rgba(49, 224, 255, 0.09);
    box-shadow: inset 0 0 0 1px rgba(49, 224, 255, 0.15);
  }

  .nav-link.active::after {
    content: "";
    position: absolute;
    left: 18px;
    right: 18px;
    bottom: 2px;
    height: 2px;
    border-radius: 20px;
    background: linear-gradient(90deg, var(--brand), transparent);
    box-shadow: 0 0 10px rgba(49, 224, 255, 0.6);
  }

  .header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: var(--radius-btn);
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.02em;
    line-height: 1.2;
    border: 1px solid transparent;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
    will-change: transform;
    white-space: nowrap;
  }

  .btn:active {
    transform: scale(0.98);
  }

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

  .btn-primary {
    color: #04121E;
    background: linear-gradient(135deg, var(--brand) 0%, var(--brand-2) 100%);
    box-shadow: 0 8px 22px rgba(49, 224, 255, 0.14);
  }

  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(49, 224, 255, 0.28);
  }

  .btn-ghost {
    color: var(--text-title);
    background: rgba(130, 170, 255, 0.04);
    border-color: var(--line);
  }

  .btn-ghost:hover {
    background: rgba(130, 170, 255, 0.12);
    border-color: rgba(49, 224, 255, 0.4);
    color: var(--brand);
  }

  .btn-sm {
    padding: 9px 20px;
    font-size: 14px;
  }

  .nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: rgba(130, 170, 255, 0.04);
  }

  .nav-toggle span,
  .nav-toggle span::before,
  .nav-toggle span::after {
    content: "";
    display: block;
    width: 18px;
    height: 2px;
    border-radius: 4px;
    background: var(--text-title);
    transition: transform 0.3s ease, opacity 0.3s ease;
    position: relative;
  }

  .nav-toggle span::before {
    position: absolute;
    top: -6px;
  }

  .nav-toggle span::after {
    position: absolute;
    top: 6px;
  }

  .nav-open .nav-toggle span {
    background: transparent;
  }

  .nav-open .nav-toggle span::before {
    top: 0;
    transform: rotate(45deg);
  }

  .nav-open .nav-toggle span::after {
    top: 0;
    transform: rotate(-45deg);
  }

  @media (min-width: 1024px) {
    .nav-toggle {
      display: none;
    }
  }

  @media (max-width: 1023px) {
    .site-nav {
      position: fixed;
      left: 0;
      right: 0;
      top: 78px;
      margin: 0;
      padding: 20px clamp(20px, 6vw, 48px) 28px;
      background: rgba(6, 11, 24, 0.92);
      backdrop-filter: blur(22px);
      -webkit-backdrop-filter: blur(22px);
      border-bottom: 1px solid var(--line);
      max-height: 0;
      overflow: hidden;
      opacity: 0;
      transform: translateY(-8px);
      transition: opacity 0.3s ease, transform 0.3s ease, max-height 0.3s ease;
      flex-direction: column;
      gap: 12px;
      align-items: stretch;
      border-radius: 0 0 20px 20px;
    }

    .nav-open .site-nav {
      max-height: 340px;
      opacity: 1;
      transform: translateY(0);
    }

    .nav-link {
      justify-content: center;
      padding: 12px 18px;
    }

    .nav-link.active::after {
      display: none;
    }

    .header-actions .btn {
      display: none;
    }
  }

  /* ===== 文章页顶部 ===== */
  .article-hero {
    position: relative;
    padding: 150px 0 62px;
    background:
      linear-gradient(180deg, rgba(6, 11, 24, 0.86) 0%, rgba(12, 21, 38, 0.62) 48%, var(--page-bg) 100%),
      url("/assets/images/backpic/back-1.webp") center / cover no-repeat;
    overflow: hidden;
  }

  .article-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
      radial-gradient(circle at 85% 20%, rgba(49, 224, 255, 0.11), transparent 38%),
      radial-gradient(circle at 10% 80%, rgba(79, 125, 255, 0.1), transparent 40%);
    pointer-events: none;
    z-index: 0;
  }

  .article-hero .container {
    position: relative;
    z-index: 2;
  }

  .breadcrumb-nav {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 28px;
  }

  .breadcrumb-nav a {
    color: var(--text-body);
    transition: color 0.2s ease;
  }

  .breadcrumb-nav a:hover {
    color: var(--brand);
  }

  .crumb-sep {
    color: rgba(109, 126, 156, 0.8);
  }

  .current-page {
    color: rgba(49, 224, 255, 0.9);
    max-width: 300px;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
  }

  .article-cat-badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 14px;
    background: rgba(49, 224, 255, 0.12);
    border: 1px solid rgba(49, 224, 255, 0.28);
    color: var(--brand);
    font-size: 13px;
    font-weight: 600;
    border-radius: var(--radius-btn);
    margin-bottom: 18px;
  }

  .article-heading h1 {
    margin: 0 0 18px;
    max-width: 860px;
    color: var(--text-title);
    font-size: clamp(30px, 4.5vw, 50px);
    line-height: 1.18;
    font-weight: 850;
    letter-spacing: 0.01em;
    word-break: break-word;
  }

  .article-summary {
    max-width: 720px;
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-body);
    margin: 0 0 26px;
  }

  .article-meta-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px;
  }

  .meta-chip {
    display: inline-flex;
    align-items: center;
    color: var(--text-muted);
    font-size: 14px;
    background: rgba(109, 126, 156, 0.08);
    border: 1px solid rgba(130, 170, 255, 0.12);
    padding: 8px 14px;
    border-radius: var(--radius-btn);
  }

  .meta-divider {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: rgba(109, 126, 156, 0.4);
  }

  /* ===== 文章主体两栏 ===== */
  .article-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    align-items: start;
    gap: 48px;
    padding-top: 0;
    padding-bottom: var(--space-section);
  }

  .article-main-col {
    min-width: 0;
  }

  .article-poster {
    position: relative;
    margin: 0 0 34px;
    border-radius: 24px;
    overflow: hidden;
    min-height: 260px;
    border: 1px solid var(--line);
    box-shadow: var(--shadow-soft);
    background:
      radial-gradient(circle at 34% 30%, rgba(49, 224, 255, 0.2), transparent 46%),
      linear-gradient(135deg, rgba(18, 33, 60, 0.88), rgba(6, 11, 24, 0.94));
  }

  .article-poster::after {
    content: "";
    position: absolute;
    inset: auto 0 0 0;
    height: 30%;
    background: linear-gradient(180deg, transparent, rgba(6, 11, 24, 0.6));
    pointer-events: none;
  }

  .article-poster img {
    width: 100%;
    height: 100%;
    max-height: 420px;
    object-fit: cover;
    position: relative;
    z-index: 1;
    opacity: 0.94;
  }

  .article-entry {
    background: linear-gradient(160deg, rgba(15, 28, 53, 0.5), rgba(10, 18, 34, 0.28));
    border: 1px solid var(--line);
    border-radius: var(--radius-card);
    padding: clamp(24px, 3.6vw, 44px);
    margin-bottom: 28px;
  }

  .article-entry h2 {
    color: var(--text-title);
    font-size: 26px;
    line-height: 1.4;
    font-weight: 800;
    margin: 1.9em 0 0.7em;
    padding-left: 0.7em;
    border-left: 3px solid rgba(49, 224, 255, 0.75);
  }

  .article-entry h3 {
    color: #DCE8FF;
    font-size: 20px;
    font-weight: 700;
    margin: 1.7em 0 0.6em;
  }

  .article-entry p {
    color: var(--text-body);
    font-size: 16px;
    line-height: 1.9;
    margin: 1.4em 0;
  }

  .article-entry strong {
    color: #EAF1FF;
    font-weight: 700;
  }

  .article-entry ul {
    margin: 1.4em 0;
    padding-left: 1.3em;
    list-style: none;
  }

  .article-entry ul li {
    position: relative;
    padding-left: 1.2em;
    margin: 0.7em 0;
    line-height: 1.85;
  }

  .article-entry ul li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.78em;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--brand);
    box-shadow: 0 0 8px rgba(49, 224, 255, 0.42);
  }

  .article-entry ol {
    margin: 1.4em 0;
    padding-left: 1.5em;
    list-style: decimal;
  }

  .article-entry ol li {
    margin: 0.65em 0;
    padding-left: 0.35em;
  }

  .article-entry blockquote {
    position: relative;
    margin: 2em 0;
    padding: 12px 24px 12px 28px;
    background: rgba(49, 224, 255, 0.06);
    border: 1px solid rgba(49, 224, 255, 0.2);
    border-radius: 0 16px 16px 0;
    color: #C4D3EE;
  }

  .article-entry blockquote::before {
    content: "";
    position: absolute;
    left: 0;
    top: 10%;
    bottom: 10%;
    width: 4px;
    border-radius: 0 4px 4px 0;
    background: linear-gradient(180deg, var(--brand), var(--brand-2));
    box-shadow: 0 0 18px rgba(49, 224, 255, 0.6);
  }

  .article-entry table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin: 2em 0;
    border: 1px solid var(--line);
    border-radius: 14px;
    overflow: hidden;
    font-size: 15px;
  }

  .article-entry th,
  .article-entry td {
    text-align: left;
    padding: 12px 16px;
    border-bottom: 1px solid rgba(130, 170, 255, 0.12);
  }

  .article-entry th {
    background: rgba(49, 224, 255, 0.08);
    color: var(--text-title);
    font-weight: 700;
  }

  .article-entry tr:last-child td {
    border-bottom: 0;
  }

  .article-entry code {
    background: rgba(49, 224, 255, 0.12);
    color: #C7EBFF;
    padding: 3px 7px;
    border-radius: 6px;
    font-size: 0.9em;
  }

  .article-entry pre {
    background: #081226;
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 20px;
    overflow-x: auto;
    margin: 1.6em 0;
  }

  .article-entry pre code {
    background: transparent;
    padding: 0;
    color: #C8DDFF;
  }

  .article-entry img {
    width: 100%;
    border-radius: 16px;
    margin: 1.6em 0;
    object-fit: cover;
  }

  .article-entry a {
    color: var(--brand);
    text-decoration: underline;
    text-decoration-color: rgba(49, 224, 255, 0.36);
    text-underline-offset: 4px;
  }

  .article-entry a:hover {
    color: #8FF1FF;
  }

  /* 文章底部分行 */
  .article-pager {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 28px;
  }

  .pager-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 18px 22px;
    border-radius: var(--radius-card);
    border: 1px solid var(--line);
    background: rgba(15, 28, 53, 0.3);
    transition: border-color 0.25s ease, background 0.25s ease, transform 0.2s ease;
  }

  .pager-item:hover {
    border-color: rgba(49, 224, 255, 0.4);
    background: rgba(49, 224, 255, 0.06);
  }

  .pager-item.is-next {
    text-align: right;
  }

  .pager-kicker {
    color: var(--text-muted);
    font-size: 13px;
  }

  .pager-link {
    color: var(--text-title);
    font-weight: 700;
    font-size: 17px;
  }

  .pager-link:hover {
    color: var(--brand);
  }

  .back-row {
    margin-top: 28px;
    display: flex;
    justify-content: center;
    padding-bottom: 20px;
  }

  /* ===== 侧栏 ===== */
  .article-side {
    min-width: 0;
    position: sticky;
    top: 100px;
    display: flex;
    flex-direction: column;
    gap: 18px;
  }

  .side-card {
    background: rgba(15, 28, 53, 0.58);
    border: 1px solid var(--line);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-card);
    padding: 20px;
  }

  .side-title {
    color: var(--text-title);
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .side-title::before {
    content: "";
    width: 4px;
    height: 16px;
    border-radius: 6px;
    background: linear-gradient(180deg, var(--brand), var(--brand-2));
  }

  .side-card p {
    color: var(--text-body);
    font-size: 14px;
    line-height: 1.8;
    margin: 0;
  }

  .side-nav {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  .side-link-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 14px;
    border-radius: 14px;
    color: var(--text-body);
    background: rgba(130, 170, 255, 0.04);
    border: 1px solid transparent;
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
    line-height: 1.5;
  }

  .side-link-item:hover {
    color: var(--text-title);
    background: rgba(49, 224, 255, 0.09);
    border-color: rgba(49, 224, 255, 0.26);
    transform: translateX(2px);
  }

  .side-link-item strong {
    color: var(--text-title);
    font-size: 15px;
  }

  .side-contact p {
    margin-bottom: 6px;
  }

  /* ===== 延伸推荐 ===== */
  .related-section {
    position: relative;
    overflow: hidden;
  }

  .related-section::before {
    content: "";
    position: absolute;
    left: 12%;
    right: 8%;
    top: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(130, 170, 255, 0.45), transparent);
  }

  .section-head {
    margin-bottom: 38px;
  }

  .eyebrow {
    color: var(--brand);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
  }

  .section-head h2 {
    color: var(--text-title);
    font-size: clamp(25px, 3vw, 34px);
    font-weight: 850;
    margin: 0;
    letter-spacing: 0.01em;
  }

  .related-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .related-card {
    display: block;
    background: rgba(15, 28, 53, 0.55);
    border: 1px solid var(--line);
    border-radius: var(--radius-card);
    padding: 0;
    overflow: hidden;
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  }

  .related-card:hover {
    transform: translateY(-4px);
    border-color: rgba(49, 224, 255, 0.3);
    box-shadow: 0 14px 30px rgba(0, 0, 0, 0.18), 0 0 0 1px rgba(49, 224, 255, 0.12);
  }

  .related-card-cover {
    aspect-ratio: 16 / 9;
    position: relative;
    overflow: hidden;
    background:
      radial-gradient(circle at 28% 35%, rgba(49, 224, 255, 0.18), transparent 42%),
      linear-gradient(145deg, rgba(15, 28, 53, 0.92), rgba(6, 11, 24, 0.97));
    border-bottom: 1px solid var(--line);
  }

  .related-card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
  }

  .related-card:hover .related-card-cover img {
    transform: scale(1.03);
  }

  .related-card-body {
    padding: 20px 22px 24px;
  }

  .related-card-body .tag {
    display: inline-flex;
    font-size: 12px;
    font-weight: 600;
    color: var(--brand);
    background: rgba(49, 224, 255, 0.1);
    border: 1px solid rgba(49, 224, 255, 0.24);
    padding: 4px 12px;
    border-radius: 999px;
    margin-bottom: 12px;
  }

  .related-card-body h3 {
    margin: 0 0 10px;
    font-size: 18px;
    font-weight: 700;
    color: var(--text-title);
    line-height: 1.5;
  }

  .related-card-body p {
    margin: 0;
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-muted);
  }

  .related-go {
    margin-top: 14px;
    font-size: 14px;
    font-weight: 700;
    color: var(--brand);
    display: inline-flex;
    gap: 6px;
    align-items: center;
  }

  /* ===== CTA ===== */
  .cta-section {
    padding-top: 68px;
    padding-bottom: 96px;
  }

  .cta-card {
    background:
      radial-gradient(circle at 16% 20%, rgba(79, 125, 255, 0.14), transparent 40%),
      radial-gradient(circle at 86% 80%, rgba(49, 224, 255, 0.12), transparent 42%),
      rgba(9, 18, 36, 0.92);
    border: 1px solid rgba(49, 224, 255, 0.28);
    border-radius: 28px;
    padding: clamp(28px, 5vw, 54px);
    box-shadow: 0 18px 54px rgba(0, 0, 0, 0.25), 0 0 80px rgba(49, 224, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
  }

  .cta-copy {
    flex: 1 1 320px;
  }

  .cta-copy h2 {
    color: var(--text-title);
    font-size: clamp(24px, 3.2vw, 34px);
    font-weight: 850;
    margin: 0 0 12px;
  }

  .cta-copy p {
    margin: 0;
    color: var(--text-body);
    max-width: 560px;
  }

  .cta-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
  }

  /* ===== 内容未找到 ===== */
  .missing-panel {
    min-height: 66vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 0 100px;
  }

  .missing-panel h1 {
    color: var(--text-title);
    font-size: 38px;
    font-weight: 850;
    margin: 0 0 14px;
  }

  .missing-panel p {
    color: var(--text-muted);
    margin: 0 0 24px;
  }

  /* ===== Footer ===== */
  .site-footer {
    margin-top: 30px;
    background: rgba(4, 8, 19, 0.56);
    border-top: 1px solid var(--line);
    backdrop-filter: blur(20px);
  }

  .site-footer .container {
    padding: 56px 0 24px;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
    gap: 40px;
    padding-bottom: 44px;
  }

  .footer-brand p {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.8;
    margin: 18px 0 0;
    max-width: 340px;
  }

  .footer-col-title {
    color: var(--text-title);
    font-size: 16px;
    font-weight: 700;
    margin: 4px 0 18px;
  }

  .footer-col {
    display: flex;
    flex-direction: column;
    gap: 12px;
  }

  .footer-link {
    color: var(--text-muted);
    font-size: 14px;
    transition: color 0.2s ease, transform 0.2s ease;
  }

  .footer-link:hover {
    color: var(--brand);
    transform: translateX(2px);
  }

  .footer-contact-list {
    color: var(--text-muted);
    font-size: 14px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    word-break: break-all;
  }

  .footer-bottom {
    border-top: 1px solid rgba(130, 170, 255, 0.1);
    padding: 20px 0;
    color: rgba(109, 126, 156, 0.9);
    font-size: 13px;
  }

  .footer-bottom .container {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
    padding-bottom: 0;
    padding-top: 16px;
  }

  /* ===== 焦点与可访问性 ===== */
  a:focus-visible,
  button:focus-visible {
    outline: 2px solid var(--brand);
    outline-offset: 3px;
    border-radius: 6px;
  }

  input:focus,
  textarea:focus {
    outline: none;
    border-color: rgba(49, 224, 255, 0.6);
    box-shadow: 0 0 0 3px rgba(49, 224, 255, 0.2);
  }

  ::selection {
    background: rgba(49, 224, 255, 0.2);
    color: #EDF3FF;
  }

  ::-webkit-scrollbar {
    width: 10px;
    background: #06101f;
  }

  ::-webkit-scrollbar-thumb {
    border-radius: 50px;
    background: rgba(130, 170, 255, 0.3);
  }

  ::-webkit-scrollbar-thumb:hover {
    background: rgba(49, 224, 255, 0.4);
  }

  /* ===== 响应式 ===== */
  @media (max-width: 1100px) {
    .article-layout {
      grid-template-columns: minmax(0, 1fr);
      gap: 26px;
    }

    .article-side {
      position: static;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

    .side-card:last-child {
      grid-column: 1 / -1;
    }
  }

  @media (max-width: 900px) {
    .related-grid {
      grid-template-columns: 1fr 1fr;
    }
  }

  @media (max-width: 768px) {
    .section {
      --space-section: 64px;
    }

    .article-hero {
      padding-top: 120px;
      padding-bottom: 46px;
    }

    .article-heading h1 {
      font-size: 30px;
    }

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

    .footer-grid {
      grid-template-columns: 1fr 1fr;
      gap: 28px;
    }

    .footer-brand {
      grid-column: 1 / -1;
    }
  }

  @media (max-width: 600px) {
    .header-inner {
      min-height: 68px;
    }

    .site-header {
      height: 68px;
    }

    .site-nav {
      top: 68px;
    }

    .brand {
      font-size: 18px;
      gap: 9px;
    }

    .brand-mark {
      width: 32px;
      height: 32px;
    }

    .article-hero {
      padding-bottom: 38px;
    }

    .breadcrumb-nav {
      font-size: 13px;
      margin-bottom: 20px;
    }

    .article-meta-row {
      gap: 8px;
    }

    .meta-chip {
      font-size: 12px;
      padding: 6px 10px;
    }

    .article-entry {
      padding: 20px;
    }

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

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

    .article-entry p {
      font-size: 15px;
    }

    .article-poster {
      min-height: 170px;
      border-radius: 18px;
    }

    .article-pager {
      grid-template-columns: 1fr;
    }

    .pager-item.is-next {
      text-align: left;
    }

    .article-side {
      grid-template-columns: 1fr;
    }

    .related-grid {
      grid-template-columns: 1fr;
      gap: 18px;
    }

    .cta-card {
      flex-direction: column;
      align-items: stretch;
      padding: 28px 22px;
    }

    .cta-actions .btn {
      width: 100%;
    }

    .footer-grid {
      grid-template-columns: 1fr;
      gap: 26px;
    }

    .footer-bottom .container {
      flex-direction: column;
      align-items: flex-start;
      padding-top: 14px;
    }
  }

  @media (max-width: 420px) {
    .brand {
      font-size: 16px;
    }

    .brand-mark {
      width: 28px;
      height: 28px;
      border-radius: 9px;
    }

    .nav-link {
      padding: 10px 12px;
    }

    .article-heading h1 {
      font-size: 26px;
    }

    .article-cat-badge {
      font-size: 12px;
    }

    .related-card-body {
      padding: 18px;
    }
  }

/* roulang page: category2 */
:root {
  --page-bg: #060B18;
  --panel-bg: #0C1526;
  --line: rgba(130, 170, 255, 0.16);
  --brand: #31E0FF;
  --brand-2: #4F7DFF;
  --gold: #F2C56B;
  --danger: #FF6D6D;
  --text-title: #EDF3FF;
  --text-body: #A6B4CF;
  --text-weak: #6D7E9C;
  --radius-card: 20px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  margin: 0;
  background-color: var(--page-bg);
  color: var(--text-body);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
  line-height: 1.7;
  letter-spacing: 0.01em;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(circle at 88% 4%, rgba(49, 224, 255, 0.10), transparent 28%),
    radial-gradient(circle at 4% 30%, rgba(79, 125, 255, 0.12), transparent 34%),
    radial-gradient(circle at 60% 78%, rgba(242, 197, 107, 0.05), transparent 24%),
    var(--page-bg);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.3;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(140, 180, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140, 180, 255, 0.04) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle at center, black 0%, transparent 78%);
}

img {
  max-width: 100%;
}

button,
input,
textarea,
select {
  font-family: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

h1, h2, h3 {
  color: var(--text-title);
  margin: 0;
}

h1 {
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1.2;
  font-weight: 900;
  letter-spacing: 0.005em;
}

h2 {
  font-size: clamp(26px, 3vw, 34px);
  line-height: 1.3;
  font-weight: 800;
}

h3 {
  font-size: 18px;
  line-height: 1.5;
  font-weight: 700;
  color: var(--text-title);
}

.container-global {
  width: min(1200px, 100% - 32px);
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 768px) {
  .container-global {
    width: min(1200px, 100% - 72px);
  }
}

.section-space {
  padding-top: clamp(56px, 9vw, 96px);
  padding-bottom: clamp(56px, 9vw, 96px);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  padding: 11px 22px;
  font-size: 15px;
  line-height: 1;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  outline-offset: 3px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.btn-primary {
  color: #020811;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-2) 100%);
  box-shadow: 0 0 18px rgba(49, 224, 255, 0.24), 0 6px 16px rgba(79, 125, 255, 0.2);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 26px rgba(49, 224, 255, 0.42), 0 10px 22px rgba(79, 125, 255, 0.28);
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-ghost {
  color: var(--text-title);
  background: rgba(49, 224, 255, 0.04);
  border-color: rgba(130, 170, 255, 0.24);
}

.btn-ghost:hover {
  background: rgba(130, 170, 255, 0.1);
  transform: translateY(-2px);
  border-color: rgba(49, 224, 255, 0.4);
}

.btn-ghost:active {
  transform: scale(0.98);
}

.btn-sm {
  padding: 10px 16px;
  font-size: 14px;
}

.btn-lg {
  padding: 15px 30px;
  font-size: 16px;
}

:focus {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

:focus:not(:focus-visible) {
  outline: none;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 60;
  background: rgba(6, 11, 24, 0.55);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(0);
  transition: background 0.3s ease, border-color 0.3s ease, backdrop-filter 0.3s ease;
}

.site-header.scrolled {
  background: rgba(8, 13, 26, 0.82);
  border-bottom-color: rgba(130, 170, 255, 0.14);
  backdrop-filter: blur(14px);
}

.header-inner {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 18px;
  color: var(--text-title);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.brand-mark {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  border-radius: 12px;
  background:
    linear-gradient(140deg, rgba(49, 224, 255, 0.25), rgba(79, 125, 255, 0.2)),
    rgba(15, 28, 53, 0.85);
  border: 1px solid rgba(49, 224, 255, 0.4);
  box-shadow: 0 0 14px rgba(49, 224, 255, 0.24);
  position: relative;
}

.brand-mark::before {
  content: "8";
  color: var(--brand);
  font-size: 20px;
  font-weight: 900;
  line-height: 1;
}

.brand-em {
  color: var(--brand);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  color: var(--text-body);
  font-size: 15px;
  font-weight: 500;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.nav-link:hover {
  color: var(--text-title);
  background: rgba(130, 170, 255, 0.08);
}

.nav-link.active {
  color: var(--text-title);
  font-weight: 600;
  background: rgba(49, 224, 255, 0.08);
  box-shadow: inset 0 0 0 1px rgba(49, 224, 255, 0.22);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: rgba(15, 28, 53, 0.6);
  border: 1px solid var(--line);
  position: relative;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text-title);
  margin: 5px auto;
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle span:nth-child(2) {
  width: 12px;
}

.header-nav-open .nav-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.header-nav-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}

.header-nav-open .nav-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 1023px) {
  .site-nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    margin: 0;
    display: grid;
    gap: 6px;
    padding: 18px 20px 24px;
    background: rgba(8, 13, 26, 0.96);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(18px);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.24s ease, transform 0.24s ease, visibility 0.24s;
  }

  .header-nav-open .site-nav {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .header-actions .btn-primary {
    display: none;
  }

  .nav-toggle {
    display: block;
  }
}

.page-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(128px, 18vw, 190px) 0 80px;
  background:
    linear-gradient(180deg, rgba(6, 11, 24, 0.45) 0%, rgba(6, 11, 24, 0.7) 38%, var(--page-bg) 100%),
    url('/assets/images/backpic/back-2.png') center / cover no-repeat;
}

.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at 74% 26%, rgba(49, 224, 255, 0.14), transparent 28%);
}

.page-hero-inner {
  position: relative;
  z-index: 2;
}

.page-hero-breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--text-weak);
  margin-bottom: 26px;
}

.page-hero-breadcrumb a {
  color: var(--text-body);
  transition: color 0.2s ease;
}

.page-hero-breadcrumb a:hover {
  color: var(--brand);
}

.page-hero-desc {
  font-size: 17px;
  color: var(--text-body);
  max-width: 680px;
  margin-top: 22px;
  line-height: 1.9;
}

.quick-jump-grid {
  position: relative;
  z-index: 3;
  margin-top: 40px;
}

.quick-jump-inner {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px 22px;
  padding: 16px 20px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(15, 28, 53, 0.52);
  backdrop-filter: blur(10px);
}

.quick-jump-title {
  color: var(--text-title);
  font-weight: 700;
  font-size: 14px;
}

.quick-jump-inner a {
  color: var(--text-body);
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s ease;
}

.quick-jump-inner a::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 8px var(--brand);
}

.quick-jump-inner a:hover {
  color: var(--brand);
}

.section-heading {
  margin-bottom: 44px;
}

.section-heading .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--brand);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.section-heading .eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--brand);
  border-radius: 2px;
}

.section-heading p {
  max-width: 720px;
  margin: 16px 0 0;
  font-size: 15px;
  color: var(--text-body);
  line-height: 1.8;
}

.calendar-card-grid {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: 20px;
  counter-reset: calendar-card;
}

@media (min-width: 720px) {
  .calendar-card-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.calendar-item {
  position: relative;
  background: linear-gradient(160deg, rgba(20, 34, 64, 0.78), rgba(10, 18, 34, 0.9));
  border: 1px solid rgba(130, 170, 255, 0.16);
  border-radius: var(--radius-card);
  padding: 26px 24px;
  overflow: hidden;
  transition: transform 0.24s ease, border-color 0.24s ease, box-shadow 0.24s ease;
}

.calendar-item::before {
  content: counter(calendar-card, decimal-leading-zero);
  counter-increment: calendar-card;
  position: absolute;
  right: 16px;
  top: 10px;
  font-size: 56px;
  font-weight: 800;
  line-height: 1;
  color: rgba(130, 170, 255, 0.1);
  letter-spacing: -0.05em;
}

.calendar-item:hover {
  transform: translateY(-6px);
  border-color: rgba(49, 224, 255, 0.35);
  box-shadow: 0 14px 34px rgba(15, 26, 52, 0.5), 0 0 0 1px rgba(49, 224, 255, 0.06);
}

.calendar-date {
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
  padding: 9px 14px;
  border-radius: 14px;
  background: rgba(6, 11, 24, 0.62);
  border: 1px solid rgba(130, 170, 255, 0.16);
  color: var(--brand);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.calendar-item h3 {
  margin-top: 18px;
  font-size: 18px;
}

.calendar-item p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-body);
  margin-top: 12px;
}

.calendar-tag-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 999px;
  line-height: 1;
}

.status-pill::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 4px rgba(49, 224, 255, 0.08);
}

.status-live {
  color: #4BE6A8;
  background: rgba(75, 230, 168, 0.08);
  border: 1px solid rgba(75, 230, 168, 0.25);
}

.status-coming {
  color: var(--brand);
  background: rgba(49, 224, 255, 0.08);
  border: 1px solid rgba(49, 224, 255, 0.24);
}

.status-ended {
  color: var(--text-weak);
  background: rgba(109, 126, 156, 0.1);
  border: 1px solid rgba(109, 126, 156, 0.24);
}

.activity-focus-list {
  position: relative;
}

.focus-single {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px 30px;
  padding: 32px;
  background: linear-gradient(130deg, rgba(17, 30, 58, 0.8), rgba(8, 14, 28, 0.92));
  border: 1px solid rgba(130, 170, 255, 0.15);
  border-radius: 24px;
  margin-bottom: 22px;
  position: relative;
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.focus-single:hover {
  border-color: rgba(49, 224, 255, 0.24);
  transform: translateX(4px);
}

.focus-headline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.focus-headline h3 {
  font-size: 20px;
}

.focus-meta-grid {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: 14px;
  margin-top: 6px;
}

@media (min-width: 640px) {
  .focus-meta-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .focus-single {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 900px) {
  .focus-single {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr);
  }
}

.focus-desc {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 12px;
}

.focus-desc p {
  margin: 0;
  color: var(--text-body);
  font-size: 15px;
  line-height: 1.85;
}

.focus-meta-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 16px;
  background: rgba(6, 11, 24, 0.45);
  border-radius: 16px;
  border: 1px solid rgba(130, 170, 255, 0.1);
  font-size: 14px;
  line-height: 1.6;
}

.focus-meta-item strong {
  display: block;
  color: var(--text-weak);
  font-weight: 600;
  font-size: 12px;
  margin-bottom: 3px;
}

.focus-meta-item span {
  color: var(--text-title);
}

.focus-meta-card {
  display: flex;
  align-items: center;
  justify-content: center;
}

@media (min-width: 900px) {
  .focus-meta-card {
    border-left: 1px solid var(--line);
    padding-left: 28px;
  }
}

.feature-topic {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: 28px;
}

@media (min-width: 1000px) {
  .feature-topic {
    grid-template-columns: 1.4fr 1fr;
    align-items: stretch;
  }
}

.topic-spotlight {
  position: relative;
  border-radius: 26px;
  overflow: hidden;
  min-height: 280px;
  display: flex;
  align-items: flex-end;
  background:
    linear-gradient(180deg, rgba(6, 11, 24, 0) 10%, rgba(6, 11, 24, 0.72) 82%),
    url('/assets/images/coverpic/cover-3.png') center/cover no-repeat;
  border: 1px solid rgba(130, 170, 255, 0.15);
}

.topic-spotlight .topic-content {
  position: relative;
  z-index: 2;
  padding: 34px;
  width: 100%;
}

.topic-spotlight .tagline {
  color: var(--gold);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 12px;
}

.topic-spotlight h3 {
  font-size: 24px;
  max-width: 480px;
}

.topic-spotlight p {
  margin-top: 10px;
  color: #E8EFFC;
  font-size: 14px;
  max-width: 500px;
}

.topic-link-stack {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

.stacked-topic {
  display: flex;
  align-items: center;
  gap: 18px;
  background: rgba(16, 27, 51, 0.68);
  border: 1px solid rgba(130, 170, 255, 0.13);
  border-radius: 20px;
  padding: 14px 14px 14px 8px;
  transition: border-color 0.22s ease, background 0.22s ease;
}

.stacked-topic:hover {
  background: rgba(24, 37, 66, 0.82);
  border-color: rgba(49, 224, 255, 0.24);
}

.stacked-thumb {
  width: 120px;
  height: 84px;
  flex: 0 0 auto;
  border-radius: 14px;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(49, 224, 255, 0.15), rgba(79, 125, 255, 0.2));
}

.stacked-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (max-width: 480px) {
  .stacked-thumb {
    width: 92px;
    height: 76px;
  }
}

.stacked-copy h3 {
  font-size: 16px;
  line-height: 1.45;
}

.stacked-copy p {
  margin-top: 6px;
  font-size: 13px;
  color: var(--text-weak);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.exit-help {
  border-top: 1px solid rgba(130, 170, 255, 0.12);
}

.exit-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 18px;
  padding: 40px 28px;
}

.exit-panel p {
  max-width: 640px;
  color: var(--text-body);
  font-size: 15px;
  line-height: 1.8;
}

.exit-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}

.site-footer {
  background: rgba(4, 8, 17, 0.74);
  border-top: 1px solid rgba(130, 170, 255, 0.12);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: 36px 30px;
  padding-top: 64px;
  padding-bottom: 50px;
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1.4fr 0.8fr 0.9fr 1.1fr;
  }
}

.footer-brand p {
  margin: 18px 0 0;
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.8;
  max-width: 300px;
}

.footer-sec-title {
  color: var(--text-title);
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-link {
  color: var(--text-body);
  font-size: 14px;
  line-height: 1.6;
  transition: color 0.2s ease;
}

.footer-link:hover {
  color: var(--brand);
}

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  color: var(--text-body);
  font-size: 14px;
  line-height: 1.7;
}

.footer-bottom {
  border-top: 1px solid rgba(130, 170, 255, 0.08);
  padding: 22px 0;
}

.footer-bottom .container-global {
  display: flex;
  flex-direction: column;
  gap: 8px;
  justify-content: center;
  align-items: center;
  font-size: 13px;
  color: var(--text-weak);
  text-align: center;
}

@media (min-width: 720px) {
  .footer-bottom .container-global {
    flex-direction: row;
    justify-content: space-between;
  }
}

@media (max-width: 520px) {
  .page-hero-desc {
    font-size: 15px;
  }
  .quick-jump-inner {
    border-radius: 22px;
  }
  .focus-single {
    padding: 24px 20px;
  }
}