/* roulang page: index */
:root{
  --bg:#0B0E1A;
  --bg-alt:#101426;
  --card:#151B30;
  --card-soft:#1A2138;
  --text-main:#F5F6FE;
  --text-second:#A9B2D0;
  --text-weak:#6F789A;
  --grad-main:linear-gradient(135deg,#7B5CFF 0%,#A855F7 52%,#E956B8 100%);
  --grad-gold:linear-gradient(135deg,#FFE29A 0%,#FFB547 48%,#F28C28 100%);
  --accent-purple:#A855F7;
  --gold:#FFB547;
  --mint:#2EE6C9;
  --danger:#FF6B6B;
  --border:rgba(255,255,255,.08);
  --border-strong:rgba(255,255,255,.16);
  --radius-lg:24px;
  --radius-md:16px;
  --radius-pill:999px;
  --shadow-card:0 8px 24px rgba(0,0,0,.30);
  --shadow-hover:0 18px 44px rgba(0,0,0,.45);
  --shadow-btn:0 8px 30px rgba(124,92,255,.35);
  --font-stack:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --container:1200px;
  --section-space:92px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-stack);
  background:var(--bg);
  color:var(--text-main);
  font-size:15px;
  line-height:1.7;
  min-height:100vh;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:inherit;text-decoration:none}
a:hover,a:focus{color:inherit}
ul,ol{list-style:none}
button,input,select,textarea{font:inherit}
input,textarea,select{outline:none}
::placeholder{color:var(--text-weak);opacity:1}
:focus-visible{outline:2px solid var(--mint);outline-offset:3px;border-radius:6px}
.container{max-width:var(--container);margin:0 auto;padding-left:24px;padding-right:24px;width:100%}
.section{position:relative;padding:var(--section-space) 0}

/* ---------- 顶部跳转与动效 ---------- */
.skip-link{
  position:fixed;left:16px;top:-80px;z-index:300;
  background:var(--grad-main);color:#fff;padding:10px 18px;
  border-radius:var(--radius-pill);font-weight:700;transition:top .25s ease;
}
.skip-link:focus{top:14px;color:#fff}

/* ---------- 统一头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(11,14,26,.88);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--border);
}
.header-top{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:42px;height:42px;border-radius:14px;flex:0 0 42px;
  background:var(--grad-main);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:15px;font-weight:800;letter-spacing:.4px;
  box-shadow:0 8px 22px rgba(124,92,255,.34);
}
.brand-text{
  font-size:20px;font-weight:800;color:var(--text-main);letter-spacing:.4px;
  background:linear-gradient(100deg,#fff 20%,#D9CCFF 60%,#F3B9FF 100%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.header-cta{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}
.header-cta .btn{height:42px;padding:0 22px;font-size:14px}

/* 分段导航 */
.nav-bar{border-top:1px solid rgba(255,255,255,.04);padding:10px 0}
.seg-nav{
  display:flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--border);
  border-radius:var(--radius-pill);
  padding:5px;
  width:fit-content;
  max-width:100%;
  overflow-x:auto;
  scrollbar-width:none;
}
.seg-nav::-webkit-scrollbar{display:none}
.seg-item{
  display:inline-flex;align-items:center;justify-content:center;
  flex:0 0 auto;height:38px;padding:0 20px;
  border-radius:var(--radius-pill);
  border:1px solid transparent;
  color:var(--text-second);
  font-size:14px;font-weight:600;
  transition:all .22s ease;
  white-space:nowrap;
  background:transparent;
}
.seg-item:hover{color:#fff;border-color:rgba(255,255,255,.20);background:rgba(255,255,255,.05)}
.seg-item.active{
  background:var(--grad-main);
  color:#fff;
  border-color:transparent;
  box-shadow:0 6px 26px rgba(124,92,255,.34);
}

/* ---------- 按钮体系 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  gap:10px;height:50px;padding:0 30px;
  border-radius:var(--radius-pill);
  border:1px solid transparent;
  font-size:15px;font-weight:700;line-height:1;
  cursor:pointer;text-align:center;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,filter .2s ease;
  white-space:nowrap;user-select:none;
}
.btn-primary{
  background:var(--grad-main);color:#fff;box-shadow:var(--shadow-btn);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);color:#fff}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 16px rgba(124,92,255,.26);color:#fff}
.btn-ghost{
  background:rgba(255,255,255,.04);color:var(--text-main);
  border-color:var(--border-strong);
  box-shadow:none;
}
.btn-ghost:hover{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.26);color:#fff;transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px);filter:brightness(.95)}
.btn-mint{
  background:linear-gradient(135deg,#18D9BC,#2EE6C9);
  color:#04251F;box-shadow:0 8px 26px rgba(46,230,201,.24);
}
.btn-mint:hover{filter:brightness(1.07);color:#04251F;transform:translateY(-2px)}
.btn-mint:active{transform:translateY(1px)}

/* ---------- 氛围主视觉 ---------- */
.hero{
  position:relative;
  min-height:640px;
  display:flex;align-items:center;
  padding:100px 0 86px;
  overflow:hidden;
  isolation:isolate;
}
.hero-bg{
  position:absolute;inset:0;z-index:-2;
  background:
    linear-gradient(90deg,rgba(11,14,26,.97) 0%,rgba(12,16,28,.88) 34%,rgba(13,18,30,.55) 70%,rgba(15,20,34,.28) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 78% 32%,rgba(168,85,247,.28),transparent 46%);
}
.hero-glow{
  position:absolute;z-index:-1;
  width:520px;height:520px;right:-120px;bottom:-160px;
  background:radial-gradient(circle,rgba(124,92,255,.24),transparent 66%);
  filter:blur(20px);
}
.hero-inner{position:relative;z-index:2}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  background:rgba(255,255,255,.06);
  border:1px solid var(--border-strong);
  border-radius:var(--radius-pill);
  padding:8px 16px;
  color:var(--text-second);
  font-size:13px;font-weight:600;
  margin-bottom:24px;
}
.live-dot{
  width:8px;height:8px;border-radius:50%;background:var(--mint);
  box-shadow:0 0 0 4px rgba(46,230,201,.12);
}
.hero h1{
  font-size:52px;
  line-height:1.16;
  font-weight:800;
  color:#fff;
  letter-spacing:-.6px;
  max-width:760px;
  margin-bottom:22px;
}
.hero h1 .grad-text,.gradient-text{
  background:var(--grad-main);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
.hero-sub{
  font-size:17px;color:var(--text-second);
  max-width:620px;line-height:1.85;
  margin-bottom:34px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero-tags{
  display:flex;flex-wrap:wrap;gap:10px;
}
.hero-tags li{
  padding:6px 14px;
  border-radius:var(--radius-pill);
  background:rgba(255,255,255,.05);
  border:1px solid var(--border);
  color:#C9D2EF;
  font-size:13px;
  display:inline-flex;align-items:center;gap:7px;
}
.hero-tags li i{color:var(--accent-purple)}

/* ---------- 数据徽章带 ---------- */
.ribbon{
  padding:32px 0 0;position:relative;z-index:5;
}
.mg-stats{
  background:rgba(21,27,48,.72);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:22px 28px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px 28px;
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);
}
.mg-stat{
  display:flex;align-items:baseline;justify-content:center;gap:7px;
  flex-wrap:wrap;
  text-align:center;
}
.mg-stat + .mg-stat{border-left:1px solid var(--border)}
.stat-num{font-size:30px;font-weight:800;color:#fff}
.stat-unit{color:var(--gold);font-size:16px;font-weight:700}
.stat-label{color:var(--text-second);font-size:13px;width:100%}
.grad-num{
  background:var(--grad-gold);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}

/* ---------- 通用标题区 ---------- */
.sec-head{margin-bottom:52px}
.sec-head.center{max-width:760px;margin-left:auto;margin-right:auto;text-align:center}
.sec-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--gold);
  padding:6px 14px;
  border:1px solid rgba(255,181,71,.20);
  background:rgba(255,181,71,.08);
  border-radius:var(--radius-pill);
  margin-bottom:16px;
}
.sec-head h2{
  font-size:34px;line-height:1.25;font-weight:800;color:#fff;
  letter-spacing:-.4px;
  margin-bottom:14px;
}
.sec-head .sec-desc{font-size:15px;color:var(--text-second);line-height:1.8;margin:0 auto}
.sec-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--mint);
  font-size:14px;font-weight:700;
}
.sec-link:hover{color:#fff;gap:11px;transition:gap .2s}

/* ---------- 玩法图文交替 ---------- */
.features-bg{background:linear-gradient(180deg,var(--bg) 0%,var(--bg-alt) 18%,var(--bg) 100%)}
.feature-row{padding:18px 0 12px}
.feature-row + .feature-row{margin-top:72px}
.feature-media{
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-hover);
  border:1px solid var(--border);
  position:relative;
  background:var(--bg-alt);
}
.feature-media img{width:100%;height:340px;object-fit:cover;transition:transform .6s ease}
.feature-media:hover img{transform:scale(1.035)}
.feature-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 55%,rgba(11,14,26,.5));
}
.feature-tag{
  position:absolute;left:18px;bottom:16px;z-index:2;
  background:rgba(11,14,26,.72);
  backdrop-filter:blur(8px);
  border:1px solid var(--border-strong);
  padding:6px 14px;
  border-radius:var(--radius-pill);
  font-size:13px;color:#fff;
}
.copy-kicker{
  display:inline-flex;align-items:center;gap:9px;
  color:var(--mint);font-weight:700;font-size:14px;
  margin-bottom:14px;
}
.copy-kicker::before{content:"";width:20px;height:2px;background:var(--mint);border-radius:2px}
.feature-copy h3{font-size:26px;font-weight:800;color:#fff;line-height:1.35;margin-bottom:18px}
.feature-copy > p{color:var(--text-second);line-height:1.85;margin-bottom:20px;font-size:15px}
.step-list{display:grid;gap:12px;margin-top:22px}
.step-item{
  display:flex;align-items:center;gap:14px;
  background:rgba(255,255,255,.045);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:12px 16px;
}
.step-num{
  flex:0 0 36px;height:36px;width:36px;
  border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;color:#fff;
  background:var(--grad-main);
}
.step-item span:not(.step-num){color:#DDE3F6;font-size:14px;font-weight:600}

/* ---------- 奖励预览横滑 ---------- */
.reward-section{background:var(--bg-alt)}
.rw-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:22px;
  margin-bottom:42px;
}
.rw-rail{position:relative}
.rail-ctrl{display:flex;gap:10px;flex-shrink:0}
.rail-btn{
  width:44px;height:44px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.05);
  border:1px solid var(--border-strong);
  color:#fff;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;
  transition:all .2s ease;
}
.rail-btn:hover{background:var(--grad-main);border-color:transparent}
.rw-track{
  display:flex;gap:22px;
  overflow-x:auto;
  padding:8px 4px 26px;
  scroll-snap-type:x mandatory;
  scrollbar-width:thin;
  scrollbar-color:rgba(255,255,255,.12) transparent;
}
.rw-track::-webkit-scrollbar{height:7px}
.rw-track::-webkit-scrollbar-track{background:rgba(255,255,255,.03);border-radius:99px}
.rw-track::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:99px}
.rw-card{
  flex:0 0 300px;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  scroll-snap-align:start;
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
  position:relative;
}
.rw-card:hover{
  transform:translateY(-6px);
  border-color:rgba(168,85,247,.55);
  box-shadow:var(--shadow-hover);
}
.rw-thumb{position:relative;overflow:hidden;height:168px}
.rw-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .55s ease}
.rw-card:hover .rw-thumb img{transform:scale(1.06)}
.rw-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 38%,rgba(11,14,26,.36))}
.rw-label{
  position:absolute;top:12px;left:12px;z-index:2;
  background:rgba(11,14,26,.72);backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-pill);
  font-size:12px;padding:4px 12px;font-weight:700;
  color:var(--gold);
}
.rw-body{padding:20px 20px 22px}
.rw-body h3{font-size:19px;font-weight:800;color:#fff;margin-bottom:10px}
.rw-body p{font-size:14px;color:var(--text-second);line-height:1.75}
.rw-meta{
  margin-top:15px;display:flex;align-items:center;gap:9px;
  color:var(--text-weak);font-size:12px;
}
.rw-meta i{color:#4C5680}
.reward-note{
  margin-top:18px;color:var(--text-weak);font-size:13px;
  display:flex;gap:8px;align-items:center;
}
.reward-note i{color:var(--gold)}

/* ---------- 任务进度板块 ---------- */
.task-panel{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
  padding:34px;
  min-height:390px;
  position:relative;
}
.task-panel.purple{border-top:3px solid var(--accent-purple)}
.task-panel.mint{border-top:3px solid var(--mint)}
.panel-title{font-size:20px;font-weight:800;color:#fff;display:flex;align-items:center;gap:10px;margin-bottom:8px}
.panel-sub{font-size:13px;color:var(--text-weak);margin-bottom:24px}
.task-item{
  display:flex;align-items:center;flex-wrap:wrap;
  gap:14px;
  padding:15px 4px;
  border-bottom:1px solid var(--border);
}
.task-item:last-child{border-bottom:0}
.task-icon{
  flex:0 0 34px;width:34px;height:34px;border-radius:50%;
  border:1px solid rgba(46,230,201,.35);
  color:var(--mint);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;
  background:rgba(46,230,201,.08);
}
.task-info{flex:1;min-width:130px}
.task-info strong{font-size:15px;font-weight:700;color:#F0F3FF;display:block}
.task-info span{font-size:12px;color:var(--text-weak)}
.task-state{
  font-size:12px;font-weight:700;padding:5px 12px;
  border-radius:var(--radius-pill);
}
.state-done{background:rgba(46,230,201,.12);color:var(--mint)}
.state-wait{background:rgba(255,181,71,.12);color:var(--gold)}
.state-todo{background:rgba(255,255,255,.06);color:var(--text-second)}

/* 进度环 */
.week-wrap{display:flex;flex-direction:column;align-items:center;padding:26px 0 10px}
.progress-ring{
  width:178px;height:178px;border-radius:50%;
  background:conic-gradient(var(--mint) 64%,rgba(255,255,255,.07) 0);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:26px;
  position:relative;
  transition:transform .3s ease;
}
.progress-ring:hover{transform:scale(1.03)}
.ring-inner{
  width:134px;height:134px;border-radius:50%;
  background:var(--card);
  display:flex;flex-direction:column;
  align-items:center;justify-content:center;
}
.ring-inner strong{font-size:34px;font-weight:800;color:#fff;line-height:1}
.ring-inner strong i{font-style:normal;font-size:15px;color:var(--mint);margin-left:2px}
.ring-inner span{font-size:12px;color:var(--text-weak);margin-top:7px}
.week-points{display:grid;gap:10px;width:100%;margin-bottom:26px}
.week-point{
  display:flex;justify-content:space-between;align-items:center;
  background:rgba(255,255,255,.04);
  border:1px solid var(--border);
  border-radius:14px;
  padding:10px 14px;
  font-size:13px;
}
.week-point span{color:var(--text-second)}
.week-point b{color:#fff}

/* ---------- CTA 与表单 ---------- */
.cta-panel{
  position:relative;
  border-radius:28px;
  padding:58px 54px;
  background:
    linear-gradient(var(--bg-alt),var(--bg-alt)) padding-box,
    linear-gradient(130deg,rgba(124,92,255,.7),rgba(233,86,184,.42) 46%,rgba(46,230,201,.36)) border-box;
  border:1px solid transparent;
  box-shadow:var(--shadow-hover);
  overflow:hidden;
}
.cta-panel::before{
  content:"";position:absolute;width:340px;height:340px;
  background:radial-gradient(circle,rgba(124,92,255,.18),transparent 68%);
  right:-120px;top:-120px;
}
.cta-panel h2{font-size:30px;font-weight:800;color:#fff;margin-bottom:14px}
.cta-lead{color:var(--text-second);font-size:15px;line-height:1.85;max-width:440px;margin-bottom:24px}
.cta-chips{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:22px}
.chip-quick{
  border:1px solid var(--border-strong);
  background:rgba(255,255,255,.04);
  border-radius:var(--radius-pill);
  color:var(--text-second);
  padding:7px 14px;font-size:13px;cursor:pointer;
  transition:all .2s ease;
}
.chip-quick:hover{color:#fff;border-color:var(--accent-purple);background:rgba(124,92,255,.12)}
.cta-note{display:flex;align-items:center;gap:8px;color:var(--text-weak);font-size:13px}
.cta-note i{color:var(--mint)}
.form-card{
  background:rgba(11,14,26,.48);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:28px 26px;
  backdrop-filter:blur(12px);
}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:13px;font-weight:600;color:#C9D2EF;margin-bottom:7px}
.form-control{
  width:100%;appearance:none;
  background:rgba(255,255,255,.045);
  border:1px solid var(--border-strong);
  border-radius:14px;
  color:#fff;
  height:48px;
  padding:0 16px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
textarea.form-control{height:92px;padding-top:13px;resize:none}
select.form-control option{background:#131827;color:#E6E9F7}
.form-control:focus{
  border-color:var(--mint);
  box-shadow:0 0 0 4px rgba(46,230,201,.13);
  background:rgba(255,255,255,.07);
}
.form-submit{width:100%;margin-top:6px}
.success-tip{
  padding:12px 16px;
  background:rgba(46,230,201,.10);
  border:1px solid rgba(46,230,201,.36);
  color:var(--mint);
  border-radius:14px;
  font-size:14px;
  font-weight:600;
  margin-top:14px;
  display:flex;
  gap:9px;
  align-items:center;
  opacity:0;
  transition:opacity .3s ease;
}
.success-tip.show{opacity:1}

/* ---------- 最新资讯 ---------- */
.news-section{background:linear-gradient(180deg,var(--bg) 0%,var(--bg-alt) 34%,var(--bg) 100%)}
.news-feature{
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  min-height:300px;
  padding:34px 32px;
  border-radius:var(--radius-lg);
  border:1px solid var(--border);
  background:
    linear-gradient(140deg,rgba(168,85,247,.55),rgba(124,92,255,.18) 45%,rgba(11,14,26,.2)),
    linear-gradient(180deg,rgba(21,27,48,.2),rgba(11,14,26,.95));
  color:#fff;
  box-shadow:var(--shadow-card);
  position:relative;
  overflow:hidden;
}
.news-feature::after{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/coverpic/cover-1.png') center/cover no-repeat;
  opacity:.15;z-index:0;
}
.news-feature > *{position:relative;z-index:2}
.news-feature .rw-label{display:inline-flex;width:fit-content;margin-bottom:18px;position:static}
.news-feature h3{font-size:26px;font-weight:800;line-height:1.4;color:#fff;margin-bottom:10px}
.news-feature p{color:#D6DCEE;font-size:14px;line-height:1.8;max-width:72ch;margin-bottom:18px}
.news-feature a.read-more{
  color:var(--mint);color:#80EBDD;
  font-weight:700;font-size:14px;
  display:inline-flex;
  align-items:center;gap:8px;
}
.news-feature a.read-more:hover{color:#fff;gap:13px}
.news-list{display:grid}
.news-row{
  display:flex;align-items:center;flex-wrap:wrap;gap:16px;
  padding:20px 22px;
  border-radius:var(--radius-md);
  background:rgba(255,255,255,.025);
  border:1px solid rgba(255,255,255,.05);
  margin-bottom:12px;
  transition:border-color .2s ease,transform .2s ease,background .2s ease;
}
.news-row:hover{border-color:rgba(168,85,247,.5);background:rgba(168,85,247,.06);transform:translateX(5px)}
.news-main{flex:1;min-width:230px}
.news-main h3{font-size:17px;color:#E9ECFB;font-weight:700;margin-bottom:7px;transition:color .2s}
.news-main h3 a:hover{color:#CBA6FF}
.news-excerpt{color:var(--text-weak);font-size:13px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;margin-top:4px}
.news-sub a.meta-link{color:var(--mint);font-size:13px;font-weight:700}
.news-meta{display:flex;align-items:center;gap:10px;color:var(--text-weak);font-size:12px;flex-wrap:wrap}
.meta-chip{
  background:rgba(168,85,247,.13);
  color:#CDAAFF;font-weight:700;
  border-radius:var(--radius-pill);
  padding:3px 11px;
  font-size:12px;
}
.empty-state{
  grid-column:1 / -1;
  text-align:center;
  padding:80px 20px;
  background:rgba(255,255,255,.03);
  border:1px dashed rgba(255,255,255,.13);
  border-radius:var(--radius-lg);
  color:var(--text-second);
  font-size:15px;
}

/* ---------- FAQ ---------- */
.faq-item{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  margin-bottom:13px;
  transition:border-color .25s ease,background .25s ease;
}
.faq-item.open{border-color:rgba(168,85,247,.58);background:var(--card-soft)}
.q-head{
  width:100%;display:flex;align-items:center;gap:14px;
  padding:21px 22px;
  background:none;border:0;cursor:pointer;
  text-align:left;color:var(--text-main);
  font-size:16px;font-weight:700;line-height:1.4;
}
.q-icon{
  flex:0 0 30px;width:30px;height:30px;border-radius:12px;
  background:rgba(124,92,255,.15);
  color:#C9A6FF;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;
}
.q-arrow{
  margin-left:auto;flex:0 0 26px;width:26px;height:26px;
  border-radius:50%;
  border:1px solid var(--border-strong);
  color:var(--text-second);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;
  transition:transform .28s ease,background .2s ease,border-color .2s ease;
}
.faq-item.open .q-arrow{transform:rotate(180deg);background:var(--grad-main);border-color:transparent;color:#fff}
.q-answer{
  max-height:0;overflow:hidden;
  transition:max-height .3s ease;
}
.faq-item.open .q-answer{max-height:320px}
.q-answer p{
  padding:0 24px 24px 66px;
  color:var(--text-second);
  font-size:14px;
  line-height:1.85;
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#080A13;
  border-top:1px solid rgba(124,92,255,.18);
  margin-top:16px;
  padding:72px 0 34px;
}
.footer-cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:44px 30px}
.footer-brand p{color:var(--text-weak);font-size:13px;line-height:1.9;margin-top:14px;max-width:310px}
.footer-title{color:#fff;font-size:15px;font-weight:800;margin-bottom:18px;position:relative;padding-bottom:11px}
.footer-title::after{content:"";position:absolute;left:0;bottom:0;width:24px;height:2px;border-radius:4px;background:var(--grad-main)}
.footer-links li{margin-bottom:9px}
.footer-links a{color:var(--text-second);font-size:14px;transition:padding .2s,color .2s}
.footer-links a:hover{color:#fff;padding-left:6px}
.footer-info .info-item{display:flex;gap:12px;color:var(--text-second);font-size:14px;margin-bottom:14px}
.footer-info .info-item i{color:var(--accent-purple);margin-top:4px}
.footer-bottom{
  border-top:1px solid var(--border);
  margin-top:52px;
  padding-top:24px;
  display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:12px;
  color:var(--text-weak);font-size:13px;
}

/* ---------- 移动端底部CTA 仅首页 ---------- */
.mobile-dock{
  display:none;
}
@media (max-width:640px){
  .mobile-dock{
    position:fixed;left:0;right:0;bottom:0;z-index:200;
    display:flex;gap:10px;
    padding:12px 16px calc(12px + env(safe-area-inset-bottom));
    background:linear-gradient(0deg,rgba(11,14,26,.98) 25%,rgba(11,14,26,.75));
    backdrop-filter:blur(16px);
    border-top:1px solid var(--border);
  }
  .mobile-dock a{flex:1}
  body{padding-bottom:0}
  body.home-page{padding-bottom:72px}
}

/* ---------- 断点适配 ---------- */
@media (min-width:1025px){
  .section{--section-space:96px}
}

@media (max-width:1024px){
  .section{--section-space:68px}
  .hero h1{font-size:44px}
  .sec-head h2{font-size:30px}
  .feature-copy h3{font-size:23px}
  .cta-panel{padding:46px 32px}
  .rw-card{flex-basis:285px}
  .footer-cols{grid-template-columns:repeat(2,1fr);gap:40px 24px}
  .mg-stats{grid-template-columns:repeat(2,1fr);gap:22px 16px;padding:20px 18px}
  .mg-stat:nth-child(3){border-left:0}
}

@media (max-width:640px){
  .header-top{height:62px;padding:0 16px}
  .site-header{padding:0}
  .nav-bar{padding:8px 16px;margin:0}
  .seg-nav{margin-left:auto;margin-right:auto;width:100%}
  body{padding-top:0}
  .brand-text{font-size:18px}
  .brand-mark{width:38px;height:38px;font-size:13px;border-radius:12px;flex-basis:38px}
  .header-cta .btn{padding:0 16px}
  .hero{min-height:0;padding:72px 0 56px}
  .hero h1{font-size:35px;line-height:1.25}
  .hero-sub{font-size:15px}
  .hero-actions .btn{min-width:130px}
  .mg-stats{gap:20px 12px}
  .section{padding:60px 0}
  .sec-head h2{font-size:26px}
  .feature-row + .feature-row{margin-top:54px}
  .feature-media img{height:240px}
  .rw-head{flex-direction:column;align-items:flex-start}
  .rail-ctrl{display:none}
  .rw-card{flex-basis:280px}
  .task-panel{padding:24px 20px}
  .task-item{gap:10px}
  .cta-panel{padding:34px 20px;border-radius:22px}
  .cta-panel h2{font-size:24px}
  .form-card{padding:20px 16px}
  .news-feature{padding:24px 20px;min-height:280px}
  .news-feature h3{font-size:20px}
  .news-main{min-width:200px}
  .news-row{padding:16px 14px;flex-direction:column;align-items:flex-start}
  .footer-cols{grid-template-columns:1fr;gap:34px}
  .footer-bottom{justify-content:center;text-align:center}
  .q-answer p{padding:0 18px 22px 20px}
  .q-head{font-size:15px;padding:18px 14px}
  .container{padding-left:16px;padding-right:16px}
}

/* roulang page: category1 */
:root {
  --bg: #0B0E1A;
  --panel: #101426;
  --card: #151B30;
  --card-soft: #181F36;
  --brand-a: #7B5CFF;
  --brand-b: #A855F7;
  --brand-c: #E956B8;
  --amber: #FFB547;
  --mint: #2EE6C9;
  --danger: #FF6B6B;
  --text: #F5F6FE;
  --muted: #A9B2D0;
  --weak: #6F789A;
  --border: rgba(255,255,255,.08);
  --radius-lg: 24px;
  --radius: 16px;
  --radius-pill: 999px;
  --shadow: 0 8px 24px rgba(0,0,0,.30);
  --shadow-hover: 0 18px 44px rgba(0,0,0,.45);
  --main-grad: linear-gradient(120deg,#7B5CFF 0%,#A855F7 55%,#E956B8 100%);
  --section-space: 96px;
  --container: 1200px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:inherit;text-decoration:none}
a:hover,a:focus{color:inherit}
button,input,select,textarea{font-family:inherit}
ul,ol{list-style:none}
h1,h2,h3,h4{line-height:1.25;font-weight:700}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:2px solid var(--mint);outline-offset:3px;border-radius:6px}
.section-pad{padding-top:var(--section-space);padding-bottom:var(--section-space)}
@media(max-width:640px){:root{--section-space:60px}.container{padding:0 18px}}

/* Button */
.btn{
  display:inline-flex;align-items:center;gap:8px;justify-content:center;
  min-height:44px;padding:0 24px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  transition:transform .22s ease, box-shadow .22s ease, background .22s ease, border-color .22s ease;
  cursor:pointer;white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn-primary{
  background:var(--main-grad);color:#fff;
  box-shadow:0 8px 30px rgba(124,92,255,.35);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 36px rgba(168,85,247,.38)}
.btn-outline{
  background:rgba(255,255,255,.04);color:var(--text);
  border-color:rgba(255,255,255,.16);
}
.btn-outline:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.3);transform:translateY(-2px)}
.btn-mint{
  background:linear-gradient(120deg,#2EE6C9,#3FC0E9);
  color:#06101a;box-shadow:0 8px 24px rgba(46,230,201,.22);
}
.btn-mint:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(46,230,201,.3)}
.btn-small{min-height:38px;padding:0 16px;font-size:14px}

/* Badge */
.badge-chip{
  display:inline-flex;align-items:center;gap:7px;height:30px;
  padding:0 13px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.06);border:1px solid var(--border);
  font-size:13px;color:var(--text)
}
.chip-dot{width:7px;height:7px;border-radius:50%;display:inline-block}
.chip-dot.brand{background:var(--brand-b)}
.chip-dot.mint{background:var(--mint)}
.chip-dot.amber{background:var(--amber)}

/* Header */
.site-header{
  background:rgba(9,12,23,.9);
  backdrop-filter:blur(16px);
  position:sticky;top:0;z-index:100;
  border-bottom:1px solid rgba(255,255,255,.04);
}
.header-top{display:flex;align-items:center;justify-content:space-between;padding-top:16px;padding-bottom:12px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800}
.brand-mark{
  width:42px;height:42px;border-radius:14px;
  background:var(--main-grad);display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:900;color:#fff;letter-spacing:.5px;
  box-shadow:0 6px 18px rgba(142,93,255,.38)
}
.brand-text{font-size:21px;font-weight:800;letter-spacing:.3px}
.header-cta .btn{padding:0 18px;font-size:14px;min-height:40px}
.nav-bar{border-top:1px solid rgba(255,255,255,.045)}
.seg-nav{display:flex;gap:10px;padding:12px 0;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.seg-nav::-webkit-scrollbar{display:none}
.seg-nav .seg-item{
  flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  height:38px;padding:0 20px;border-radius:var(--radius-pill);
  font-size:14px;font-weight:500;color:var(--muted);
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.06);
  transition:all .25s;
}
.seg-nav .seg-item:hover{color:#fff;border-color:rgba(255,255,255,.2);background:rgba(255,255,255,.08)}
.seg-nav .seg-item.active{
  background:var(--main-grad);color:#fff;border-color:transparent;
  box-shadow:0 6px 22px rgba(124,92,255,.32);font-weight:600
}

/* Page hero */
.page-hero{
  position:relative;min-height:360px;
  display:flex;align-items:center;
  background:url('/assets/images/backpic/back-2.webp') no-repeat center/cover;
  background-attachment:fixed;
  border-bottom:1px solid rgba(255,255,255,.03);
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(90deg,rgba(7,9,20,.93) 0%,rgba(7,9,20,.76) 40%,rgba(7,9,20,.35) 100%);
}
.page-hero::after{
  content:"";position:absolute;inset:0;bottom:-1px;height:90px;z-index:2;
  background:linear-gradient(180deg,transparent,rgba(11,14,26,.15) 40%,var(--bg));
}
.page-hero .container{position:relative;z-index:3;width:100%;padding-top:42px;padding-bottom:70px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--weak);margin-bottom:20px;flex-wrap:wrap}
.breadcrumb a{color:var(--muted);transition:color .2s}
.breadcrumb a:hover{color:var(--mint)}
.breadcrumb span.current{color:var(--text)}
.breadcrumb i{font-size:10px;color:var(--weak)}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;height:30px;
  padding:0 14px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);
  font-size:13px;color:#fff;letter-spacing:.4px;margin-bottom:18px;
}
.page-hero h1{
  font-size:52px;font-weight:900;letter-spacing:-.5px;color:#fff;
  margin-bottom:16px;line-height:1.1;
}
.page-hero .hero-short{
  max-width:620px;color:rgba(245,246,254,.85);font-size:17px;line-height:1.85;margin-bottom:26px;
}
@media(max-width:640px){
  .page-hero{min-height:330px;background-attachment:scroll}
  .page-hero h1{font-size:38px}
  .page-hero .hero-short{font-size:15px}
}

/* Section common */
.section-title-row{margin-bottom:52px}
.kicker{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;
  font-size:13px;letter-spacing:.4px;color:var(--mint);font-weight:600
}
.kicker::before{content:"";width:16px;height:2px;border-radius:2px;background:var(--brand-a)}
.section-title{font-size:34px;line-height:1.25;letter-spacing:-.2px}
.section-sub{color:var(--muted);font-size:16px;max-width:680px;margin-top:14px}
@media(max-width:640px){
  .section-title{font-size:26px}
  .section-title-row{margin-bottom:36px}
}

/* Intro split */
.split-row{
  display:grid;grid-template-columns:repeat(12,1fr);gap:44px;align-items:center;
  padding:26px 0 30px;
}
.split-image.col-sp{grid-column:span 5}
.split-text.col-sp{grid-column:span 7}
.reversed .split-image{order:2}
.media-frame{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--border);box-shadow:var(--shadow);
}
.media-frame img{width:100%;height:280px;object-fit:cover}
.media-frame::after{content:"";position:absolute;inset:0;border-radius:22px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.05)}
.img-tag{
  position:absolute;left:16px;bottom:16px;height:30px;padding:0 14px;
  background:rgba(11,14,26,.78);backdrop-filter:blur(6px);
  border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-pill);
  color:#fff;font-size:13px;display:inline-flex;align-items:center;gap:6px;
}
.bottom-mark{font-size:15px;margin-top:26px}
.mini-title{
  display:flex;align-items:center;gap:10px;
  font-size:18px;font-weight:700;margin-bottom:12px;
}
.mini-title i{color:var(--brand-b);font-size:17px}
.bottom-mark p{color:var(--muted);font-size:15px;line-height:1.9}
.bottom-list li{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--border);font-size:15px;color:var(--muted);line-height:1.8}
.bottom-list li:last-child{border-bottom:0}
.bottom-list i{
  flex:0 0 24px;width:24px;height:24px;margin-top:3px;border-radius:8px;
  background:rgba(123,92,255,.18);color:#d0c5ff;
  display:inline-flex;align-items:center;justify-content:center;font-size:12px;
}
.step-num{
  display:inline-flex;width:38px;height:38px;border-radius:13px;
  background:var(--main-grad);color:#fff;font-weight:800;font-size:16px;
  align-items:center;justify-content:center;flex:0 0 38px;
  box-shadow:0 6px 16px rgba(123,92,255,.3);
}
@media(max-width:1024px){
  .split-image.col-sp,.split-text.col-sp{grid-column:span 12}
  .reversed .split-image{order:0}
  .split-row{gap:28px}
}

/* Data panel */
.data-strip{
  border-radius:var(--radius-lg);border:1px solid var(--border);
  background:linear-gradient(120deg,rgba(123,92,255,.12),rgba(16,20,38,.4));
  padding:32px 24px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  box-shadow:var(--shadow);
}
.data-cell{
  padding:18px 10px;border-radius:var(--radius);
  background:rgba(255,255,255,.04);border:1px solid var(--border);
  text-align:center;
}
.data-cell strong{
  display:block;font-size:22px;font-weight:800;color:#fff;margin-bottom:4px;
  background:var(--main-grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.data-cell span{color:var(--muted);font-size:13px}
@media(max-width:768px){.data-strip{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.data-strip{padding:20px 16px;grid-template-columns:1fr 1fr}}

/* Cover grid */
.cover-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.feature-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);
  overflow:hidden;display:flex;flex-direction:column;
  box-shadow:var(--shadow);transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:rgba(123,92,255,.45)}
.feature-card .cover-wrap{position:relative;overflow:hidden;aspect-ratio:16/9;background:#1b2137}
.feature-card .cover-wrap img{width:100%;height:100%;object-fit:cover;transition:transform .45s}
.feature-card:hover .cover-wrap img{transform:scale(1.04)}
.card-tag-top{
  position:absolute;left:12px;top:12px;height:26px;padding:0 12px;
  background:rgba(9,12,22,.68);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.14);
  color:#fff;border-radius:var(--radius-pill);font-size:12px;display:inline-flex;align-items:center;gap:6px;
}
.card-tag-top i{color:var(--amber)}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:19px;color:#fff;margin-bottom:10px;line-height:1.4}
.card-body p{font-size:14px;color:var(--muted);line-height:1.85;flex:1}
.card-meta{
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;
  margin-top:18px;padding-top:14px;border-top:1px solid var(--border);
}
.meta-badge{display:inline-flex;gap:5px;align-items:center;font-size:12px;color:var(--weak)}
.meta-badge i{color:var(--brand-b)}
.read-link{font-size:13px;font-weight:600;padding:7px 14px;border-radius:var(--radius-pill);background:rgba(123,92,255,.16);color:#d8ccff;transition:all .25s;display:inline-flex;gap:6px;align-items:center}
.read-link:hover{background:var(--main-grad);color:#fff}
@media(max-width:1024px){.cover-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.cover-grid{grid-template-columns:1fr}}

/* Flow steps */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative}
.flow-item{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:26px 22px 24px;position:relative;box-shadow:var(--shadow);transition:transform .28s, border-color .28s;
}
.flow-item:hover{transform:translateY(-4px);border-color:rgba(46,230,201,.45)}
.flow-step{
  width:42px;height:42px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(46,230,201,.14);color:var(--mint);font-size:17px;font-weight:800;margin-bottom:16px;
  border:1px solid rgba(46,230,201,.22);
}
.flow-item h3{font-size:17px;color:#fff;margin-bottom:8px}
.flow-item p{font-size:13px;color:var(--muted);line-height:1.8}
.flow-arrow{position:absolute;right:-18px;top:50%;transform:translateY(-50%);color:var(--brand-b);font-size:14px;z-index:3}
@media(max-width:1024px){.flow-grid{grid-template-columns:repeat(2,1fr)}.flow-arrow{display:none}}
@media(max-width:640px){.flow-grid{grid-template-columns:1fr}}

/* FAQ */
.faq-wrap .faq-col{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px}
.faq-item{border-bottom:1px solid var(--border);padding:20px 4px}
.faq-item:last-child{border-bottom:0}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:14px;
  font-size:16px;font-weight:600;color:#f5f6fe;line-height:1.5;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i{
  width:28px;height:28px;flex:0 0 28px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(123,92,255,.16);color:#d0c5ff;font-size:13px;transition:transform .3s,background .3s;
}
.faq-item[open] summary i{transform:rotate(45deg);background:var(--main-grad);color:#fff}
.faq-answer{padding:14px 0 4px;font-size:14px;color:var(--muted);line-height:1.9}
.faq-answer b{font-weight:600;color:#fff}
@media(max-width:640px){.faq-wrap .faq-col{padding:22px 20px}}

/* Category switch */
.cat-switch{
  margin-top:14px;margin-bottom:24px;padding:26px 28px;
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius-lg);
  display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap;
}
.cat-switch .switch-label{font-size:16px;color:#fff;font-weight:600}
.cat-switch a{padding:0 18px;min-height:38px}

/* CTA */
.cta-area{
  border-radius:var(--radius-lg);overflow:hidden;position:relative;
  background:url('/assets/images/backpic/back-1.webp') no-repeat center/cover;
  border:1px solid var(--border);
}
.cta-area::before{
  content:"";position:absolute;inset:0;
  background:rgba(11,14,26,.86);
  background:linear-gradient(110deg,rgba(11,14,26,.96) 20%,rgba(123,92,255,.48),rgba(11,14,26,.88));
}
.cta-inner{position:relative;z-index:2;padding:68px 48px;text-align:center}
.cta-inner h2{font-size:30px;color:#fff;margin-bottom:12px}
.cta-inner p{max-width:620px;margin:0 auto 24px;color:var(--muted);font-size:15px}
.cta-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
@media(max-width:640px){.cta-inner{padding:48px 24px}.cta-inner h2{font-size:24px}}

/* Footer */
.site-footer{background:#070A14;border-top:1px solid rgba(255,255,255,.04);position:relative}
.site-footer::before{
  content:"";display:block;height:1px;position:absolute;top:-1px;left:0;right:0;
  background:linear-gradient(90deg,transparent,rgba(123,92,255,.6),rgba(233,86,184,.45),transparent);
}
.footer-cols{
  display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:36px;
  padding:64px 0 40px;
}
.footer-brand .brand{display:inline-flex;margin-bottom:18px}
.footer-brand p{font-size:14px;color:var(--weak);line-height:1.9;margin-top:6px}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:var(--muted);display:inline-flex;gap:8px;transition:color .2s}
.footer-links a:hover{color:var(--mint)}
.footer-links i{font-size:11px;color:var(--brand-b);margin-top:4px}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.05);padding:24px 0 32px;
  font-size:13px;color:var(--weak)
}
.footer-bottom a{color:var(--mint);font-weight:600}
@media(max-width:1024px){.footer-cols{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.footer-cols{grid-template-columns:1fr;padding-top:44px}}

/* roulang page: article */
:root {
  --bg: #0B0E1A;
  --bg-soft: #0F1424;
  --card: #151B30;
  --card-2: #1A2140;
  --line: rgba(255,255,255,.08);
  --text: #F5F6FE;
  --text-secondary: #A9B2D0;
  --text-weak: #6F789A;
  --purple: #7B5CFF;
  --purple-2: #A855F7;
  --pink: #E956B8;
  --gold: #FFB547;
  --mint: #2EE6C9;
  --success: #2EE6C9;
  --danger: #FF6B6B;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-pill: 999px;
  --shadow-card: 0 8px 24px rgba(0,0,0,.30);
  --shadow-hover: 0 18px 44px rgba(0,0,0,.45);
  --section-space: 88px;
}
*, *::before, *::after {
  box-sizing: border-box;
}
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
}
a:hover {
  color: inherit;
}
img {
  display: block;
  max-width: 100%;
  border: 0;
}
button, input, textarea {
  font-family: inherit;
}
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 2px;
}
::selection {
  background: rgba(123, 92, 255, .45);
  color: #fff;
}
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
@media screen and (max-width: 640px) {
  .container {
    padding: 0 18px;
  }
}

/* Header / Nav */
.site-header {
  background: rgba(11, 14, 26, .92);
  border-bottom: 1px solid var(--line);
  position: relative;
  z-index: 20;
}
.header-top {
  padding: 16px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex: 0 1 auto;
  min-width: 0;
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  height: 42px;
  padding: 0 10px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--purple), var(--purple-2), var(--pink));
  color: #fff;
  font-weight: 900;
  font-size: 15px;
  letter-spacing: .3px;
  box-shadow: 0 8px 22px rgba(123, 92, 255, .28);
}
.brand-text {
  color: var(--text);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: .02em;
  white-space: nowrap;
}
.header-cta {
  margin-left: auto;
  display: flex;
  align-items: center;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  padding: 12px 22px;
  cursor: pointer;
  transition: transform .18s ease, background .18s ease, box-shadow .18s ease, border-color .18s ease, color .18s ease;
  vertical-align: middle;
}
.btn:active {
  transform: translateY(1px);
}
.btn-primary {
  background: linear-gradient(135deg, var(--purple), var(--purple-2), var(--pink));
  color: #fff;
  box-shadow: 0 8px 30px rgba(124, 92, 255, .32);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #8667FF, #B866FF, #F265C7);
  box-shadow: 0 10px 36px rgba(124, 92, 255, .42);
}
.btn-ghost {
  background: rgba(255,255,255,.04);
  color: var(--text);
  border: 1px solid rgba(255,255,255,.14);
}
.btn-ghost:hover {
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.24);
}
.nav-bar {
  background: rgba(255,255,255,.02);
  border-top: 1px solid rgba(255,255,255,.04);
}
.seg-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  padding: 10px 0;
  scrollbar-width: none;
}
.seg-nav::-webkit-scrollbar {
  display: none;
}
.seg-item {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  padding: 0 20px;
  border-radius: var(--radius-pill);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
  transition: background .18s ease, color .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.seg-item:hover {
  background: rgba(255,255,255,.1);
  color: var(--text);
  border-color: rgba(255,255,255,.18);
}
.seg-item.active {
  background: linear-gradient(135deg, var(--purple), var(--purple-2), var(--pink));
  border-color: transparent;
  color: #fff;
  box-shadow: 0 8px 24px rgba(124, 92, 255, .32);
}
@media screen and (max-width: 640px) {
  .brand-text {
    font-size: 18px;
  }
  .brand-mark {
    min-width: 38px;
    height: 38px;
    padding: 0 8px;
    font-size: 14px;
  }
  .header-cta .btn {
    padding: 10px 16px;
    font-size: 13px;
  }
  .seg-item {
    height: 38px;
    padding: 0 17px;
    font-size: 14px;
  }
}

/* Breadcrumb */
.breadcrumb-section {
  padding: 22px 0 12px;
}
.breadcrumb-box {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 14px;
  color: var(--text-weak);
}
.breadcrumb-box a {
  color: var(--text-secondary);
  transition: color .2s ease;
}
.breadcrumb-box a:hover {
  color: var(--mint);
}
.crumb-sep {
  color: var(--text-weak);
  font-size: 12px;
  display: inline-flex;
  align-items: center;
}
.breadcrumb-box .current {
  color: var(--text);
  font-weight: 600;
  max-width: 520px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Article layout */
.article-layout {
  padding: 18px 0 48px;
}
.article-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
  margin-bottom: 40px;
}
.article-head {
  padding: 46px 44px 26px;
}
.article-head .chip-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}
.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 30px;
  padding: 0 14px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 600;
  background: rgba(255,255,255,.06);
  color: var(--text-secondary);
  border: 1px solid rgba(255,255,255,.1);
}
.chip-soft {
  color: #E6D8FF;
  background: rgba(123, 92, 255, .16);
  border-color: rgba(123, 92, 255, .26);
}
.badge-news {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 30px;
  padding: 0 13px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 600;
  background: rgba(255, 181, 71, .12);
  border: 1px solid rgba(255, 181, 71, .22);
  color: var(--gold);
}
.article-head h1 {
  margin: 0 0 16px;
  font-size: clamp(28px, 4.2vw, 42px);
  line-height: 1.22;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--text);
}
.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--text-weak);
  font-size: 14px;
}
.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.meta-item i {
  color: var(--text-weak);
  font-size: 14px;
}
.meta-sep {
  color: rgba(255,255,255,.16);
}
.article-cover {
  margin: 0 0 4px;
  max-height: 380px;
  overflow: hidden;
  background: var(--bg-soft);
}
.article-cover img {
  width: 100%;
  height: 320px;
  object-fit: cover;
}
.article-body-wrap {
  padding: 32px 44px 40px;
}
.article-content {
  max-width: 760px;
  margin: 0 auto;
}
.article-content p {
  color: #D9DEF0;
  font-size: 16.5px;
  line-height: 1.85;
  margin: 0 0 1.5em;
}
.article-content h2 {
  font-size: 28px;
  line-height: 1.3;
  font-weight: 800;
  color: var(--text);
  margin: 1.7em 0 .8em;
}
.article-content h3 {
  font-size: 21px;
  line-height: 1.35;
  font-weight: 700;
  color: var(--text);
  margin: 1.5em 0 .7em;
}
.article-content h4 {
  font-size: 18px;
  font-weight: 700;
  margin: 1.4em 0 .6em;
}
.article-content ul,
.article-content ol {
  padding-left: 1.4rem;
  margin: 0 0 1.5em;
  color: #D9DEF0;
}
.article-content li {
  margin-bottom: .45em;
}
.article-content blockquote {
  margin: 1.8em 0;
  padding: 18px 22px;
  border-left: 4px solid var(--purple);
  background: rgba(123,92,255,.08);
  border-radius: 0 12px 12px 0;
  color: var(--text-secondary);
}
.article-content img {
  border-radius: 18px;
  margin: 1.8em 0;
}
.article-content a {
  color: var(--mint);
  border-bottom: 1px solid rgba(46,230,201,.35);
  transition: border-color .2s ease, color .2s ease;
}
.article-content a:hover {
  color: #7DF3DD;
  border-color: rgba(46,230,201,.8);
}
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.6em 0;
  font-size: 15px;
  color: var(--text-secondary);
}
.article-content th,
.article-content td {
  border: 1px solid rgba(255,255,255,.12);
  padding: 10px 12px;
  text-align: left;
}
.article-content th {
  background: rgba(255,255,255,.05);
  color: var(--text);
  font-weight: 600;
}
.article-footer-tip {
  max-width: 760px;
  margin: 34px auto 0;
  padding: 14px 16px;
  border: 1px solid rgba(255,181,71,.18);
  background: rgba(255,181,71,.06);
  border-radius: 14px;
  color: var(--text-secondary);
  font-size: 13.5px;
  display: flex;
  align-items: center;
  gap: 9px;
}
.article-footer-tip .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
  flex: 0 0 auto;
}
.article-page-links {
  max-width: 760px;
  margin: 24px auto 0;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}
.btn-link-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 42px;
  padding: 0 18px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  background: rgba(255,255,255,.04);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
  transition: background .18s ease, color .18s ease, border-color .18s ease;
}
.btn-link-back:hover {
  background: rgba(255,255,255,.09);
  color: var(--text);
  border-color: rgba(255,255,255,.2);
}
@media screen and (max-width: 860px) {
  .article-head,
  .article-body-wrap {
    padding-left: 24px;
    padding-right: 24px;
  }
  .article-head {
    padding-top: 34px;
  }
  .article-cover img {
    height: 220px;
  }
}
@media screen and (max-width: 640px) {
  .article-card {
    border-radius: 20px;
  }
  .article-head h1 {
    font-size: 27px;
  }
  .article-content p {
    font-size: 16px;
  }
  .article-content h2 {
    font-size: 23px;
  }
  .article-content h3 {
    font-size: 19px;
  }
  .article-content table {
    display: block;
    overflow-x: auto;
  }
}

/* Empty state */
.empty-layout {
  padding: 64px 0 48px;
}
.empty-card {
  max-width: 620px;
  margin: 0 auto;
  padding: 48px 34px;
  text-align: center;
  background: var(--card);
  border-radius: 28px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
}
.empty-card > i {
  font-size: 46px;
  color: var(--text-weak);
  margin-bottom: 18px;
}
.empty-card h1 {
  font-size: 34px;
  margin: 0 0 10px;
  font-weight: 800;
}
.empty-card p {
  color: var(--text-secondary);
  margin: 0 0 26px;
  font-size: 16px;
}

/* Related reading */
.related-section {
  padding: 26px 0 70px;
}
.section-head {
  margin-bottom: 26px;
}
.section-head h2 {
  font-size: 30px;
  line-height: 1.25;
  margin: 0 0 8px;
  font-weight: 800;
  letter-spacing: -.02em;
}
.section-head p {
  color: var(--text-weak);
  margin: 0;
  font-size: 15px;
}
.related-grid .cell {
  margin-bottom: 22px;
}
.related-card {
  height: 100%;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  display: flex;
  flex-direction: column;
}
.related-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(255,255,255,.18);
}
.related-cover {
  height: 178px;
  overflow: hidden;
  background: var(--bg-soft);
  flex: 0 0 auto;
}
.related-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.related-card:hover .related-cover img {
  transform: scale(1.04);
}
.related-body {
  padding: 20px 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1 0 auto;
}
.related-tag {
  display: inline-flex;
  width: fit-content;
  height: 26px;
  align-items: center;
  padding: 0 12px;
  border-radius: var(--radius-pill);
  background: rgba(255,181,71,.1);
  border: 1px solid rgba(255,181,71,.18);
  color: var(--gold);
  font-size: 12px;
  font-weight: 600;
}
.related-title {
  margin: 0;
  font-size: 19px;
  line-height: 1.45;
  font-weight: 700;
  color: var(--text);
}
.related-title a {
  transition: color .2s ease;
}
.related-title a:hover {
  color: #C9B2FF;
}
.related-desc {
  margin: 0;
  color: var(--text-secondary);
  font-size: 14.5px;
  line-height: 1.7;
  flex: 1 0 auto;
}
.related-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--mint);
  font-size: 14px;
  font-weight: 600;
  margin-top: 4px;
}
.related-link:hover {
  color: #92FFE8;
}

/* Bottom guide CTA */
.bottom-guide-section {
  padding: 0 0 90px;
}
.guide-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  flex-wrap: wrap;
  padding: 34px 42px;
  border-radius: 28px;
  background: linear-gradient(135deg, rgba(123,92,255,.22), rgba(168,85,247,.1), rgba(233,86,184,.12));
  border: 1px solid rgba(255,255,255,.1);
}
.guide-strip h2 {
  font-size: 25px;
  line-height: 1.35;
  margin: 0 0 6px;
  font-weight: 800;
}
.guide-strip .guide-key {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--gold);
  font-weight: 600;
  font-size: 13px;
}
.guide-strip p {
  color: var(--text-secondary);
  margin: 0;
  font-size: 15px;
}
.guide-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
@media screen and (max-width: 900px) {
  .guide-strip {
    padding: 28px 24px;
  }
}
@media screen and (max-width: 640px) {
  .section-head h2 {
    font-size: 25px;
  }
  .guide-strip h2 {
    font-size: 21px;
  }
}

/* Footer */
.site-footer {
  background: #070A12;
  border-top: 1px solid rgba(255,255,255,.06);
  padding: 52px 0 22px;
  margin-top: 16px;
}
.footer-cols {
  display: grid;
  grid-template-columns: 1.9fr 1.1fr 1.1fr 1.6fr;
  gap: 30px 24px;
  margin-bottom: 30px;
}
.footer-brand .brand {
  margin-bottom: 14px;
}
.footer-brand p {
  color: var(--text-secondary);
  font-size: 14.5px;
  line-height: 1.8;
  margin: 0;
  max-width: 300px;
}
.footer-title {
  margin: 0 0 14px;
  font-size: 16px;
  color: var(--text);
  font-weight: 700;
}
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.footer-links a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 14px;
  transition: color .18s ease, transform .18s ease;
}
.footer-links a:hover {
  color: var(--text);
  transform: translateX(3px);
}
.footer-links i {
  color: var(--purple-2);
  font-size: 12px;
}
.footer-info-desc {
  color: var(--text-weak);
  font-size: 13px;
  line-height: 1.85;
}
.footer-info-domain {
  color: var(--text-weak);
  font-size: 13px;
  line-height: 1.85;
  margin-top: 10px;
}
.footer-bottom {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,.06);
  color: var(--text-weak);
  font-size: 13px;
}
.footer-bottom a {
  color: var(--mint);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.footer-bottom a:hover {
  color: #9BFFE7;
}
@media screen and (max-width: 1024px) {
  .footer-cols {
    grid-template-columns: 1fr 1fr;
  }
}
@media screen and (max-width: 640px) {
  .footer-cols {
    grid-template-columns: 1fr;
    gap: 26px;
  }
  .footer-bottom {
    justify-content: center;
    text-align: center;
  }
}

/* roulang page: category3 */
:root{
  --bg-page:#0B0E1A;
  --bg-alt:#101426;
  --bg-card:#151B30;
  --grad-main:linear-gradient(135deg,#7B5CFF 0%,#A855F7 55%,#E956B8 100%);
  --gold:#FFB547;
  --mint:#2EE6C9;
  --danger:#FF6B6B;
  --text:#F5F6FE;
  --text-sub:#A9B2D0;
  --text-weak:#6F789A;
  --line:rgba(255,255,255,.08);
  --radius-lg:24px;
  --radius-md:16px;
  --radius-pill:999px;
  --shadow-card:0 8px 24px rgba(0,0,0,.30);
  --shadow-card-hover:0 18px 44px rgba(0,0,0,.45);
  --shadow-btn:0 8px 30px rgba(124,92,255,.35);
  --space-section:96px;
  --container-w:1200px;
  --font:\"PingFang SC\",\"Hiragino Sans GB\",\"Microsoft YaHei\",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--bg-page);
  color:var(--text);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none;transition:color .25s ease,opacity .25s ease,background .25s ease,border-color .25s ease,box-shadow .25s ease,transform .25s ease}
img{display:block;max-width:100%;height:auto}
button,input,select,textarea{font-family:inherit}
ul,ol{list-style:none}
.container{
  max-width:var(--container-w);
  margin-left:auto;
  margin-right:auto;
  padding-left:24px;
  padding-right:24px;
  width:100%;
}
.section-space{padding-top:var(--space-section);padding-bottom:var(--space-section)}
.section-alt{background:var(--bg-alt)}
.section-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--mint);
  font-size:13px;
  font-weight:700;
  letter-spacing:.12em;
  text-transform:uppercase;
  padding:6px 14px;
  border:1px solid rgba(46,230,201,.22);
  border-radius:var(--radius-pill);
  background:rgba(46,230,201,.06);
}
.section-title{
  font-size:34px;
  font-weight:800;
  line-height:1.2;
  letter-spacing:-.02em;
  margin-top:16px;
  color:var(--text);
}
.section-sub{
  font-size:16px;
  color:var(--text-sub);
  margin-top:14px;
  line-height:1.8;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 26px;
  border-radius:var(--radius-pill);
  font-weight:700;
  font-size:15px;
  line-height:1;
  border:none;
  cursor:pointer;
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease,color .25s ease,transform .2s ease;
}
.btn:focus-visible,.seg-item:focus-visible,.faq-q:focus-visible,.brand:focus-visible,.footer-links a:focus-visible{
  outline:3px solid rgba(46,230,201,.55);
  outline-offset:3px;
}
.btn-primary{
  background:var(--grad-main);
  color:#fff;
  box-shadow:var(--shadow-btn);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 12px 36px rgba(124,92,255,.45);
  color:#fff;
}
.btn-primary:active{
  transform:translateY(1px);
  box-shadow:0 4px 16px rgba(124,92,255,.3);
}
.btn-ghost{
  background:rgba(255,255,255,.03);
  border:1px solid rgba(255,255,255,.18);
  color:var(--text);
}
.btn-ghost:hover{
  background:rgba(255,255,255,.1);
  border-color:rgba(255,255,255,.38);
  color:#fff;
}
.btn-ghost:active{
  transform:translateY(1px);
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:7px 14px;
  border-radius:var(--radius-pill);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  font-size:13px;
  font-weight:600;
  color:var(--text-sub);
}
.chip .dot{width:7px;height:7px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 3px rgba(46,230,201,.15);flex:none}
.chip-bottom{margin-top:22px}

/* ===== Header ===== */
.site-header{position:relative;z-index:50;background:rgba(10,13,25,.86);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.header-top{display:flex;align-items:center;justify-content:space-between;padding:18px 0;gap:16px}
.brand{display:inline-flex;align-items:center;gap:12px;border-radius:12px}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  background:var(--grad-main);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:900;color:#fff;letter-spacing:.04em;
  box-shadow:0 6px 18px rgba(124,92,255,.4);
}
.brand-text{font-size:20px;font-weight:800;letter-spacing:-.01em;color:var(--text)}
.header-cta{display:flex;align-items:center;gap:10px}
.header-cta .btn{height:40px;padding:0 20px;font-size:14px}
.nav-bar{border-top:1px solid rgba(255,255,255,.05);background:rgba(255,255,255,.02)}
.seg-nav{
  display:flex;
  align-items:center;
  gap:8px;
  padding:12px 0;
  overflow-x:auto;
  scrollbar-width:none;
}
.seg-nav::-webkit-scrollbar{display:none}
.seg-item{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex:none;
  height:38px;
  padding:0 18px;
  border-radius:var(--radius-pill);
  background:rgba(255,255,255,.04);
  color:var(--text-sub);
  font-size:14px;
  font-weight:700;
  border:1px solid transparent;
  white-space:nowrap;
}
.seg-item:hover{color:#fff;border-color:rgba(255,255,255,.18)}
.seg-item.active{
  background:var(--grad-main);
  color:#fff;
  box-shadow:0 6px 20px rgba(168,85,247,.35);
}

/* ===== HERO ===== */
.cat-hero{
  position:relative;
  padding:70px 0 60px;
  background:linear-gradient(100deg,rgba(8,10,22,.92) 20%,rgba(8,10,22,.62) 60%,rgba(8,10,22,.35) 100%),url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.cat-breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:14px;color:var(--text-weak);margin-bottom:22px}
.cat-breadcrumb a{color:var(--text-sub)}
.cat-breadcrumb a:hover{color:var(--mint)}
.cat-breadcrumb .bread-sep{opacity:.6}
.cat-breadcrumb .current{color:var(--gold)}
.cat-hero h1{
  font-size:50px;
  line-height:1.14;
  font-weight:900;
  letter-spacing:-.025em;
  margin-bottom:14px;
}
.cat-hero-body{font-size:17px;max-width:640px;color:var(--text-sub);line-height:1.85}
.cat-hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-bar{height:2px;width:76px;background:var(--grad-main);border-radius:2px;margin:24px 0 0}

/* ===== 左右分栏 intro ===== */
.intro-panel{display:flex;align-items:center;gap:56px;flex-direction:row}
.intro-panel.rev{flex-direction:row-reverse}
.intro-media{flex:0 0 45%;max-width:45%}
.intro-media .frame{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  border:1px solid var(--line);
  background:var(--bg-card);
}
.intro-media .frame:before{content:'';display:block;padding-top:72%;background:linear-gradient(160deg,rgba(123,92,255,.18),rgba(233,86,184,.08));position:relative;z-index:1}
.intro-media .frame img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.92}
.intro-media .frame .media-tag{position:absolute;left:16px;top:16px;z-index:3}
.intro-content{flex:1;min-width:0}
.intro-content h3{font-size:26px;font-weight:800;line-height:1.3;letter-spacing:-.02em;margin:14px 0 12px}
.intro-content p{color:var(--text-sub);font-size:15.5px;line-height:1.85;margin:12px 0}
.mini-list{margin-top:6px}
.mini-list li{display:flex;gap:10px;align-items:flex-start;padding:8px 0;color:var(--text-sub);font-size:15px;line-height:1.7}
.mini-list li i{color:var(--mint);margin-top:5px;flex:none;width:16px;height:16px;font-size:14px;text-align:center}
.step-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:48px;height:48px;border-radius:16px;
  background:var(--grad-main);color:#fff;font-weight:800;font-size:18px;
  box-shadow:0 8px 22px rgba(123,92,255,.35);
}

/* ===== 流程 ===== */
.flow-row{display:flex;flex-wrap:wrap;margin-left:-12px;margin-right:-12px;margin-top:40px}
.flow-col{width:25%;padding:0 12px;margin-bottom:24px}
.flow-card{
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:30px 24px;
  height:100%;
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.flow-card:hover{transform:translateY(-6px);border-color:rgba(168,85,247,.45);box-shadow:var(--shadow-card-hover)}
.flow-bar{width:28px;height:3px;background:var(--grad-main);border-radius:3px;margin:20px 0 14px}
.flow-card h4{font-size:18px;font-weight:800;margin-bottom:8px}
.flow-card p{font-size:14px;line-height:1.85;color:var(--text-sub);margin:0}
.flow-count{
  font-size:13px;color:var(--gold);font-weight:800;letter-spacing:.08em;
}

/* ===== 卡片组 ===== */
.guide-card-grid{display:flex;flex-wrap:wrap;margin-left:-12px;margin-right:-12px;margin-top:46px}
.guide-card-col{width:33.3333%;padding:0 12px;margin-bottom:26px}
.guide-card{
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  height:100%;
  display:flex;
  flex-direction:column;
  transition:transform .35s cubic-bezier(.2,.75,.3,1),box-shadow .35s ease,border-color .35s ease;
}
.guide-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-card-hover);border-color:rgba(255,181,71,.4)}
.guide-card-cover{position:relative;aspect-ratio:16/10;overflow:hidden;display:block;background:var(--bg-alt)}
.guide-card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.guide-card:hover .guide-card-cover img{transform:scale(1.05)}
.guide-card-cover:after{content:'';position:absolute;inset:0;background:linear-gradient(to top,rgba(13,16,28,.45),transparent 55%)}
.guide-card-body{padding:20px 20px 24px;display:flex;flex-direction:column;flex:1}
.tag-small{
  display:inline-flex;align-items:center;gap:4px;
  color:var(--gold);font-size:12px;font-weight:700;
  letter-spacing:.08em;
}
.guide-card h3{font-size:19px;font-weight:800;line-height:1.35;margin:10px 0 8px;color:var(--text)}
.guide-card p{font-size:14px;line-height:1.85;color:var(--text-sub);margin:0}
.guide-link{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--mint);font-weight:700;font-size:14px;
  margin-top:auto;padding-top:18px;
}
.guide-link i{transition:transform .25s ease}
.guide-link:hover i{transform:translateX(5px)}
.guide-meta{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px}

/* ===== 提醒栏 ===== */
.notice-band{
  border:1px solid rgba(255,181,71,.3);
  background:linear-gradient(135deg,rgba(255,181,71,.1),rgba(123,92,255,.1));
  border-radius:var(--radius-lg);
  padding:40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:30px;
  flex-wrap:wrap;
}
.notice-band .txt{max-width:760px}
.notice-band h3{font-size:22px;font-weight:800;margin-bottom:8px}
.notice-band p{color:var(--text-sub);font-size:15px;line-height:1.85;margin:0}
.other-switch{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;margin-top:42px}
.switch-card{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px 30px;display:flex;align-items:center;gap:18px;
  min-width:320px;transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.switch-card:hover{transform:translateY(-5px);border-color:rgba(168,85,247,.5);box-shadow:var(--shadow-card-hover)}
.switch-icon{
  width:52px;height:52px;border-radius:16px;flex:none;
  background:rgba(123,92,255,.16);border:1px solid rgba(123,92,255,.35);
  display:flex;align-items:center;justify-content:center;color:var(--gold);font-size:20px;
}
.switch-text h4{font-size:16px;font-weight:800;color:var(--text);margin-bottom:2px}
.switch-text span{font-size:13px;color:var(--text-weak)}

/* ===== FAQ ===== */
.faq-layout{display:flex;flex-wrap:wrap;margin-left:-16px;margin-right:-16px;margin-top:36px}
.faq-intro-col{width:38.2%;padding:0 16px}
.faq-list-col{width:61.8%;padding:0 16px}
.accordion.faq-acc{border:none;background:transparent}
.faq-acc .accordion-item{
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  margin-bottom:14px;
  padding:0;
  transition:border-color .3s ease,background .3s ease;
}
.faq-acc .accordion-item:hover{border-color:rgba(255,255,255,.16)}
.faq-acc .accordion-item.is-active{border-color:rgba(123,92,255,.45);background:rgba(123,92,255,.06)}
.faq-acc .accordion-title{
  position:relative;
  border:none !important;
  background:transparent;
  padding:18px 54px 18px 20px;
  color:var(--text);
  font-size:16px;
  font-weight:700;
  line-height:1.6;
  user-select:none;
}
.faq-acc .accordion-title:hover{background:transparent;color:#fff}
.faq-acc .accordion-title .faq-icon{
  position:absolute;right:18px;top:50%;width:30px;height:30px;border-radius:50%;
  background:rgba(123,92,255,.16);display:flex;align-items:center;justify-content:center;
  color:var(--gold);transform:translateY(-50%);transition:transform .35s ease,background .3s ease;
}
.faq-acc .accordion-title .faq-icon:before{content:'+';font-size:18px;font-weight:700;line-height:1}
.faq-acc .accordion-item.is-active .faq-icon{transform:translateY(-50%) rotate(45deg);background:var(--grad-main);color:#fff}
.faq-acc .accordion-content{
  border:none !important;
  background:transparent;
  padding:4px 22px 20px 22px;
  color:var(--text-sub);
  font-size:14.5px;
  line-height:1.85;
}
.faq-contact-card{
  background:var(--bg-card);
  border:1px solid rgba(46,230,201,.22);
  border-radius:var(--radius-lg);
  padding:30px;
  margin-top:30px;
}
.faq-contact-card h4{font-size:18px;font-weight:800;display:flex;align-items:center;gap:10px}
.faq-contact-card p{font-size:14px;color:var(--text-sub);margin:12px 0 6px;line-height:1.8}
.faq-contact-card .btn{margin-top:14px}

/* ===== CTA ===== */
.cta-panel{
  border:1px solid transparent;
  border-radius:calc(var(--radius-lg) + 4px);
  background:
    linear-gradient(var(--bg-alt),var(--bg-alt)) padding-box,
    var(--grad-main) border-box;
  padding:60px 50px;
  text-align:center;
  position:relative;
  overflow:hidden;
}
.cta-panel:before{
  content:'';position:absolute;width:300px;height:300px;border-radius:50%;
  background:rgba(123,92,255,.15);filter:blur(90px);top:-90px;left:-80px;
}
.cta-panel .inner{position:relative;z-index:2}
.cta-panel h2{font-size:30px;font-weight:900;letter-spacing:-.02em;line-height:1.3}
.cta-panel p{color:var(--text-sub);font-size:15px;margin-top:12px;max-width:640px;margin-left:auto;margin-right:auto;line-height:1.8}
.cta-panel .btn{margin-top:26px}
.cta-note{margin-top:24px;font-size:13px;color:var(--text-weak)}

/* ===== 页脚 ===== */
.site-footer{
  background:#070A13;
  border-top:1px solid rgba(255,255,255,.04);
  padding-top:64px;
  position:relative;
}
.site-footer:before{content:'';position:absolute;top:0;left:0;width:100%;height:1px;background:linear-gradient(90deg,transparent,rgba(168,85,247,.6),rgba(46,230,201,.4),transparent)}
.footer-cols{display:flex;flex-wrap:wrap;margin-left:-16px;margin-right:-16px}
.footer-cols > div{padding:0 16px;margin-bottom:34px}
.footer-brand{width:35%}
.footer-cols .cat{width:20%}
.footer-info{width:25%}
.footer-brand p{color:var(--text-sub);font-size:14px;line-height:1.9;margin-top:15px}
.footer-title{
  font-size:15px;
  font-weight:800;
  color:var(--text);
  letter-spacing:.04em;
  margin:8px 0 18px;
}
.footer-links li{margin-bottom:10px}
.footer-links a{color:var(--text-sub);font-size:14px;display:inline-flex;align-items:center;gap:6px;line-height:1.6}
.footer-links a i{color:var(--gold);font-size:12px}
.footer-links a:hover{color:var(--mint)}
.footer-bottom{
  border-top:1px solid var(--line);
  margin-top:14px;
  padding:22px 0 26px;
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  color:var(--text-weak);font-size:13px;
}
.footer-bottom a:hover{color:var(--gold)}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  :root{--space-section:80px}
  .guide-card-col{width:50%}
  .flow-col{width:50%}
  .footer-brand,.footer-cols .cat,.footer-info{width:50%}
}
@media (max-width:900px){
  .intro-panel,.intro-panel.rev{flex-direction:column;gap:34px}
  .intro-media{flex:1 1 auto;max-width:100%}
  .intro-media .frame:before{padding-top:58%}
  .faq-layout{flex-direction:column;margin-left:0;margin-right:0;margin-top:24px}
  .faq-intro-col,.faq-list-col{width:100%;padding:0}
  .faq-contact-card{margin-top:20px}
}
@media (max-width:768px){
  .header-top{padding:13px 0}
  .brand-mark{width:36px;height:36px;font-size:13px}
  .brand-text{font-size:18px}
  .header-cta .btn{padding:0 16px;font-size:13px}
  .cat-hero h1{font-size:40px}
  .section-title{font-size:29px}
  .guide-card-col{width:100%}
  .flow-col{width:100%}
  .cta-panel{padding:42px 24px}
  .switch-card{min-width:100%}
  .footer-brand,.footer-cols .cat,.footer-info{width:100%}
  .notify-badge{display:none}
  .header-top .btn span{display:none}
}
@media (max-width:640px){
  .container{padding-left:16px;padding-right:16px}
  .space-section{padding:56px 0}
  .cat-hero{padding:44px 0 44px}
  .cat-hero h1{font-size:34px}
  .cat-hero-body{font-size:15px}
  .seg-nav{padding:10px 0}
  .seg-item{height:36px;padding:0 14px;font-size:13px}
  .footer-bottom{flex-direction:column;justify-content:flex-start}
  .faq-acc .accordion-title{font-size:15px}
  .footer-brand .brand-text{font-size:19px}
}

/* roulang page: category2 */
:root {
    --brand-1: #7B5CFF;
    --brand-2: #A855F7;
    --brand-3: #E956B8;
    --brand-grad: linear-gradient(135deg, #7B5CFF 0%, #A855F7 55%, #E956B8 100%);
    --bg: #0B0E1A;
    --bg-alt: #101426;
    --card: #151B30;
    --card-soft: #1B213D;
    --amber: #FFB547;
    --mint: #2EE6C9;
    --danger: #FF6B6B;
    --text: #F5F6FE;
    --text-2: #A9B2D0;
    --text-weak: #6F789A;
    --line: rgba(255, 255, 255, .08);
    --radius-lg: 24px;
    --radius-md: 16px;
    --radius-sm: 10px;
    --radius-pill: 999px;
    --shadow-card: 0 8px 24px rgba(0,0,0,.30);
    --shadow-hover: 0 18px 44px rgba(0,0,0,.45);
    --shadow-primary: 0 8px 30px rgba(124,92,255,.35);
    --section-space: 92px;
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }

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

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

  button,
  input,
  textarea,
  select {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    outline: none;
  }

  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
    margin: 0 0 .5em;
    line-height: 1.25;
    font-weight: 800;
    color: var(--text);
  }

  p {
    margin: 0 0 1.25em;
  }

  .container,
  .grid-container {
    max-width: 1200px;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding-left: 24px;
    padding-right: 24px;
  }

  .site-header {
    position: sticky;
    top: 0;
    z-index: 80;
    background: rgba(11, 14, 26, .92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
  }

  .header-top {
    background: transparent;
  }

  .header-top .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    min-height: 76px;
    padding-top: 12px;
    padding-bottom: 12px;
  }

  .brand {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    transition: opacity .25s ease;
  }

  .brand:hover,
  .brand:focus-visible {
    opacity: .86;
  }

  .brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 14px;
    background: var(--brand-grad);
    color: #fff;
    font-size: 15px;
    font-weight: 900;
    letter-spacing: .3px;
    box-shadow: var(--shadow-primary);
    flex: 0 0 auto;
  }

  .brand-text {
    font-size: 21px;
    font-weight: 900;
    letter-spacing: .5px;
    color: var(--text);
    white-space: nowrap;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    padding: 0 22px;
    border-radius: var(--radius-pill);
    border: 1px solid transparent;
    background: transparent;
    font-size: 15px;
    font-weight: 700;
    line-height: 1;
    cursor: pointer;
    transition: transform .2s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease, color .25s ease;
    text-align: center;
    white-space: nowrap;
  }

  .btn-primary {
    background: var(--brand-grad);
    color: #fff;
    box-shadow: var(--shadow-primary);
  }

  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 34px rgba(124, 92, 255, .45);
    color: #fff;
  }

  .btn-primary:active {
    transform: translateY(1px) scale(.98);
    box-shadow: 0 6px 18px rgba(124, 92, 255, .28);
  }

  .btn-secondary {
    position: relative;
    border: 1px solid rgba(255, 255, 255, .18);
    color: var(--text);
    background: rgba(255, 255, 255, .04);
  }

  .btn-secondary:hover {
    border-color: rgba(255, 255, 255, .38);
    background: rgba(255, 255, 255, .09);
    color: #fff;
    transform: translateY(-2px);
  }

  .btn-secondary:active {
    transform: translateY(1px) scale(.98);
  }

  .btn:focus-visible,
  .seg-item:focus-visible,
  input:focus-visible,
  textarea:focus-visible,
  select:focus-visible,
  a:focus-visible {
    outline: 2px solid var(--mint);
    outline-offset: 3px;
  }

  .header-cta .btn {
    min-height: 38px;
    padding: 0 18px;
    font-size: 14px;
  }

  .header-cta .btn i {
    font-size: 13px;
  }

  .nav-bar {
    background: rgba(255, 255, 255, .02);
  }

  .seg-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 0;
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }

  .seg-nav::-webkit-scrollbar {
    display: none;
  }

  .seg-item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 42px;
    padding: 0 22px;
    border-radius: var(--radius-pill);
    background: rgba(255, 255, 255, .04);
    border: 1px solid var(--line);
    color: var(--text-2);
    font-size: 14px;
    font-weight: 700;
    white-space: nowrap;
    transition: border-color .25s ease, color .25s ease, background .25s ease, box-shadow .25s ease, transform .2s ease;
  }

  .seg-item:hover {
    border-color: rgba(255, 255, 255, .2);
    color: var(--text);
    background: rgba(255, 255, 255, .07);
  }

  .seg-item.active {
    background: var(--brand-grad);
    border-color: transparent;
    color: #fff;
    box-shadow: 0 6px 22px rgba(124, 92, 255, .38);
  }

  .seg-item:active {
    transform: translateY(1px) scale(.98);
  }

  main {
    display: block;
  }

  .category-hero {
    position: relative;
    padding: 86px 0 90px;
    background:
      linear-gradient(90deg, rgba(11, 14, 26, .98) 0%, rgba(11, 14, 26, .88) 46%, rgba(11, 14, 26, .42) 100%),
      url("/assets/images/backpic/back-2.webp") center / cover no-repeat;
    border-bottom: 1px solid var(--line);
  }

  .breadcrumb {
    display: flex;
    align-items: center;
    gap: 9px;
    flex-wrap: wrap;
    color: var(--text-2);
    font-size: 13px;
    margin-bottom: 26px;
  }

  .breadcrumb a {
    color: var(--text-weak);
    transition: color .25s ease;
  }

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

  .breadcrumb i {
    font-size: 11px;
    color: var(--text-weak);
  }

  .category-hero h1 {
    margin: 0 0 10px;
    font-size: clamp(44px, 6vw, 60px);
    font-weight: 900;
    line-height: 1.08;
    letter-spacing: -1px;
    background: linear-gradient(90deg, #fff 10%, #e8daff 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    max-width: 780px;
  }

  .hero-lead {
    margin: 18px 0 8px;
    font-size: 20px;
    font-weight: 700;
    color: var(--amber);
  }

  .hero-desc {
    max-width: 700px;
    margin: 0 0 22px;
    font-size: 16px;
    line-height: 1.9;
    color: var(--text-2);
  }

  .hero-tags {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 14px;
  }

  .hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 38px;
    padding: 0 16px;
    border-radius: var(--radius-pill);
    background: rgba(255, 255, 255, .05);
    border: 1px solid var(--line);
    color: var(--text-2);
    font-size: 13px;
    font-weight: 600;
  }

  .hero-tag i {
    color: var(--mint);
    font-size: 12px;
  }

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

  .section-alt {
    background: var(--bg-alt);
  }

  .section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 16px;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 1px;
    color: var(--mint);
    text-transform: uppercase;
  }

  .section-label::before {
    content: "";
    width: 22px;
    height: 2px;
    border-radius: 4px;
    background: var(--brand-grad);
  }

  .section-head {
    max-width: 720px;
    margin-bottom: 48px;
  }

  .section-head h2 {
    font-size: clamp(28px, 3.6vw, 36px);
    margin-bottom: 14px;
  }

  .section-head p {
    color: var(--text-2);
    font-size: 15px;
    line-height: 1.85;
    margin-bottom: 0;
  }

  .text-center {
    text-align: center;
  }

  .mx-auto {
    margin-left: auto;
    margin-right: auto;
  }

  .feature-block {
    padding-top: 88px;
    padding-bottom: 88px;
  }

  .feature-block + .feature-block {
    border-top: 1px solid var(--line);
  }

  .feature-block .figure-card,
  .feature-block .detail-copy {
    margin-bottom: 0;
  }

  .figure-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--line);
    background: var(--card);
    box-shadow: var(--shadow-card);
    height: 100%;
    min-height: 340px;
  }

  .figure-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    inset: 0;
  }

  .figure-badge {
    position: absolute;
    top: 18px;
    left: 18px;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    height: 34px;
    padding: 0 14px;
    border-radius: var(--radius-pill);
    background: rgba(11, 14, 26, .62);
    border: 1px solid var(--line);
    color: var(--text);
    font-size: 13px;
    font-weight: 700;
    backdrop-filter: blur(8px);
  }

  .figure-badge i {
    color: var(--amber);
    font-size: 12px;
  }

  .step-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: var(--brand-grad);
    color: #fff;
    font-size: 16px;
    font-weight: 900;
    box-shadow: var(--shadow-primary);
    margin-right: 12px;
  }

  .detail-copy h2 {
    font-size: 30px;
    margin-bottom: 18px;
    line-height: 1.3;
  }

  .detail-copy p {
    color: var(--text-2);
    line-height: 1.9;
  }

  .detail-copy ul {
    list-style: none;
    margin: 22px 0 0;
    padding: 0;
  }

  .detail-copy li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 14px;
    color: var(--text);
    font-size: 15px;
    line-height: 1.8;
  }

  .detail-copy li i {
    position: relative;
    top: 5px;
    color: var(--mint);
    font-size: 14px;
    flex: 0 0 auto;
  }

  .reward-section {
    background: var(--bg-alt);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }

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

  .reward-card {
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
    margin: 0 0 26px;
    border-radius: var(--radius-lg);
    background: var(--card);
    border: 1px solid var(--line);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
  }

  .reward-card:hover {
    transform: translateY(-6px);
    border-color: rgba(168, 85, 247, .55);
    box-shadow: var(--shadow-hover);
  }

  .reward-thumb {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--card-soft);
  }

  .reward-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .55s ease;
  }

  .reward-card:hover .reward-thumb img {
    transform: scale(1.05);
  }

  .cover-tag {
    position: absolute;
    top: 14px;
    left: 14px;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 30px;
    padding: 0 12px;
    border-radius: var(--radius-pill);
    background: rgba(11, 14, 26, .6);
    border: 1px solid var(--line);
    color: var(--amber);
    font-size: 12px;
    font-weight: 700;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
  }

  .reward-body {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 24px;
  }

  .reward-body h3 {
    margin: 0 0 10px;
    font-size: 19px;
  }

  .reward-body p {
    margin: 0 0 16px;
    color: var(--text-2);
    font-size: 14px;
    line-height: 1.8;
    flex: 1 0 auto;
  }

  .reward-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 4px;
  }

  .data-chip {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    height: 30px;
    padding: 0 12px;
    border-radius: var(--radius-pill);
    background: rgba(255, 255, 255, .04);
    border: 1px solid rgba(255, 255, 255, .08);
    color: var(--text-2);
    font-size: 12px;
    font-weight: 700;
  }

  .data-chip i {
    color: var(--mint);
  }

  .data-chip.amber i {
    color: var(--amber);
  }

  .switch-section {
    background: var(--bg);
  }

  .switch-panel {
    border-radius: var(--radius-lg);
    background: var(--card);
    border: 1px solid var(--line);
    box-shadow: var(--shadow-card);
    padding: 40px;
  }

  .switch-panel-head {
    text-align: center;
    margin-bottom: 28px;
  }

  .switch-panel-head h2 {
    font-size: 24px;
    margin-bottom: 8px;
  }

  .switch-panel-head p {
    color: var(--text-2);
    font-size: 14px;
  }

  .switch-btns {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 14px;
  }

  .chip-link {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    height: 48px;
    padding: 0 26px;
    border-radius: var(--radius-pill);
    border: 1px solid rgba(255, 255, 255, .14);
    background: rgba(255, 255, 255, .04);
    color: var(--text);
    font-size: 15px;
    font-weight: 700;
    transition: transform .25s ease, border-color .25s ease, background .25s ease, box-shadow .25s ease;
  }

  .chip-link i {
    color: var(--mint);
  }

  .chip-link:hover {
    transform: translateY(-2px);
    border-color: rgba(123, 92, 255, .6);
    background: rgba(123, 92, 255, .13);
    box-shadow: 0 8px 24px rgba(123, 92, 255, .2);
  }

  .faq-section {
    background: var(--bg-alt);
    border-top: 1px solid var(--line);
  }

  .faq-guide h2 {
    font-size: 30px;
    margin-bottom: 14px;
  }

  .faq-guide p {
    color: var(--text-2);
    margin-bottom: 18px;
  }

  .faq-guide .guide-contact {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--mint);
    font-weight: 700;
    font-size: 14px;
    margin-top: 6px;
  }

  .faq-list {
    display: grid;
    gap: 14px;
  }

  .faq-item {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    box-shadow: none;
    transition: border-color .3s ease, background .3s ease;
  }

  .faq-item:hover {
    border-color: rgba(255, 255, 255, .16);
  }

  details.faq-item summary {
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 22px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 700;
    color: var(--text);
    transition: color .25s ease;
    user-select: none;
  }

  details.faq-item summary::-webkit-details-marker {
    display: none;
  }

  details.faq-item[open] {
    border-color: rgba(123, 92, 255, .45);
  }

  .faq-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .05);
    border: 1px solid rgba(255, 255, 255, .12);
    color: var(--text-2);
    font-size: 16px;
    font-weight: 700;
    transition: transform .3s ease, background .3s ease, color .3s ease, border-color .3s ease;
  }

  details.faq-item[open] .faq-icon {
    transform: rotate(45deg);
    background: var(--brand-grad);
    color: #fff;
    border-color: transparent;
  }

  .faq-answer {
    padding: 0 22px 22px;
    color: var(--text-2);
    font-size: 14px;
    line-height: 1.85;
    animation: fadeFaq .3s ease;
  }

  @keyframes fadeFaq {
    from {
      opacity: 0;
      transform: translateY(-6px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

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

  .cta-panel {
    border-radius: 32px;
    padding: 56px;
    background:
      linear-gradient(135deg, rgba(123, 92, 255, .17) 0%, rgba(232, 86, 184, .07) 52%, rgba(46, 230, 201, .05) 100%),
      var(--card);
    border: 1px solid rgba(168, 85, 247, .36);
    box-shadow: var(--shadow-card);
  }

  .cta-copy h2 {
    font-size: 30px;
    margin-bottom: 14px;
  }

  .cta-copy p {
    color: var(--text-2);
    line-height: 1.85;
    max-width: 520px;
  }

  .cta-contact {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--mint);
    font-weight: 700;
    margin-top: 10px;
    font-size: 14px;
  }

  .cta-form {
    background: rgba(255, 255, 255, .03);
    border: 1px solid rgba(255, 255, 255, .08);
    border-radius: 24px;
    padding: 24px;
  }

  .cta-form label {
    display: block;
    font-size: 13px;
    font-weight: 800;
    margin: 0 0 8px;
    color: var(--text-2);
  }

  .cta-form .form-field {
    width: 100%;
    height: 48px;
    padding: 0 16px;
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, .1);
    background: rgba(255, 255, 255, .05);
    color: var(--text);
    font-size: 14px;
    margin-bottom: 16px;
    transition: border-color .25s ease, box-shadow .25s ease;
  }

  .cta-form textarea.form-field {
    height: auto;
    min-height: 96px;
    padding-top: 12px;
    resize: vertical;
  }

  .cta-form .form-field::placeholder {
    color: var(--text-weak);
  }

  .cta-form .form-field:focus {
    border-color: var(--mint);
    box-shadow: 0 0 0 4px rgba(46, 230, 201, .14);
  }

  .cta-form .btn {
    width: 100%;
    margin-top: 4px;
  }

  .form-success {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transform: translateY(4px);
    transition: max-height .45s ease, opacity .45s ease, transform .45s ease, margin .35s ease;
  }

  .form-success.show {
    max-height: 120px;
    opacity: 1;
    transform: translateY(0);
    margin-top: 16px;
    padding: 14px 16px;
    border-radius: 14px;
    background: rgba(46, 230, 201, .12);
    border: 1px solid rgba(46, 230, 201, .32);
    color: var(--mint);
    font-size: 14px;
    font-weight: 700;
  }

  .form-success i {
    margin-right: 8px;
  }

  .site-footer {
    background: #070A15;
    border-top: 1px solid rgba(123, 92, 255, .2);
    padding-top: 62px;
    padding-bottom: 24px;
  }

  .footer-cols {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 40px;
    margin-bottom: 44px;
  }

  .footer-brand p {
    color: var(--text-weak);
    font-size: 14px;
    line-height: 1.85;
    margin-top: 18px;
    max-width: 320px;
  }

  .footer-title {
    font-size: 15px;
    margin-bottom: 18px;
    color: var(--text);
  }

  .footer-links {
    list-style: none;
    margin: 0;
    padding: 0;
  }

  .footer-links li {
    margin-bottom: 11px;
  }

  .footer-links a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: var(--text-2);
    transition: color .25s ease, transform .25s ease;
  }

  .footer-links a i {
    font-size: 11px;
    color: var(--text-weak);
    transition: color .25s ease;
  }

  .footer-links a:hover {
    color: var(--mint);
    transform: translateX(2px);
  }

  .footer-links a:hover i {
    color: var(--mint);
  }

  .footer-info p {
    margin-bottom: 0;
  }

  .footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, .05);
    color: var(--text-weak);
    font-size: 13px;
  }

  .footer-bottom a {
    color: var(--text-weak);
    transition: color .25s ease;
  }

  .footer-bottom a:hover {
    color: var(--mint);
  }

  @media (max-width: 1024px) {
    .footer-cols {
      grid-template-columns: 1fr 1fr;
      gap: 36px;
    }

    .feature-block .figure-card {
      min-height: 300px;
    }
  }

  @media (max-width: 768px) {
    :root {
      --section-space: 62px;
    }

    .header-top .container {
      min-height: 66px;
      padding-top: 10px;
      padding-bottom: 10px;
    }

    .brand-mark {
      width: 38px;
      height: 38px;
      border-radius: 12px;
      font-size: 14px;
    }

    .brand-text {
      font-size: 18px;
    }

    .seg-nav {
      gap: 8px;
      padding: 10px 0;
    }

    .seg-item {
      height: 40px;
      padding: 0 18px;
      font-size: 14px;
    }

    .category-hero {
      padding: 60px 0 68px;
    }

    .category-hero h1 {
      font-size: clamp(38px, 10vw, 50px);
    }

    .hero-lead {
      font-size: 18px;
    }

    .feature-block {
      padding-top: 68px;
      padding-bottom: 68px;
    }

    .figure-card {
      min-height: 260px;
    }

    .detail-copy,
    .figure-card {
      margin-bottom: 0;
    }

    .detail-copy {
      margin-top: 26px;
    }

    .feature-block .grid-x .detail-copy {
      margin-top: 24px;
    }

    .detail-copy h2 {
      font-size: 26px;
    }

    .switch-panel {
      padding: 28px 20px;
    }

    .cta-panel {
      padding: 32px 20px;
      border-radius: 24px;
    }

    .cta-form {
      margin-top: 24px;
    }

    .faq-answer {
      padding: 0 18px 20px;
    }

    details.faq-item summary {
      padding: 18px;
    }
  }

  @media (max-width: 640px) {
    .container,
    .grid-container {
      padding-left: 16px;
      padding-right: 16px;
    }

    .header-top .container {
      gap: 12px;
    }

    .header-cta .btn span {
      display: none;
    }

    .header-cta .btn {
      width: 42px;
      height: 42px;
      padding: 0;
      border-radius: 50%;
      font-size: 15px;
    }

    .brand-text {
      font-size: 17px;
    }

    .brand {
      gap: 8px;
    }

    .brand-mark {
      width: 36px;
      height: 36px;
      font-size: 13px;
    }

    .seg-item {
      padding: 0 15px;
    }

    .category-hero {
      padding: 46px 0 56px;
      background:
        linear-gradient(180deg, rgba(11, 14, 26, .97) 0%, rgba(11, 14, 26, .85) 60%, rgba(11, 14, 26, .5) 100%),
        url("/assets/images/backpic/back-2.webp") center / cover no-repeat;
    }

    .category-hero h1 {
      font-size: 40px;
    }

    .hero-lead {
      font-size: 17px;
    }

    .hero-tags {
      gap: 8px;
    }

    .hero-tag {
      height: 32px;
      padding: 0 12px;
      font-size: 12px;
    }

    .section-head {
      margin-bottom: 32px;
    }

    .section-head h2 {
      font-size: 26px;
    }

    .reward-body {
      padding: 20px;
    }

    .reward-body h3 {
      font-size: 18px;
    }

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

    .footer-brand p {
      max-width: 100%;
    }

    .footer-bottom {
      flex-direction: column;
      align-items: flex-start;
      gap: 8px;
    }

    .cta-form {
      padding: 18px;
    }

    .switch-btns {
      align-items: stretch;
      flex-direction: column;
    }

    .chip-link {
      width: 100%;
      justify-content: center;
    }
  }

  @media (min-width: 641px) and (max-width: 1024px) {
    .cta-copy {
      margin-bottom: 24px;
    }
  }