/* roulang page: index */
:root{
  --bg:#0E1512;
  --panel:#16201C;
  --panel-2:#1D2A24;
  --primary:#16E0A3;
  --accent:#FF9F1C;
  --warn:#FF4D8D;
  --text:#E8F5EF;
  --muted:#9BB3AA;
  --line:rgba(255,255,255,.08);
  --radius:12px;
  --radius-s:8px;
  --gap-s:12px;
  --gap-m:20px;
  --gap-l:32px;
  --gap-xl:48px;
  --shadow:0 6px 18px rgba(0,0,0,.35);
  --mono:"JetBrains Mono","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::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","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.grid-container{max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media screen and (min-width:1440px){
  .grid-container{max-width:1440px;padding-left:32px;padding-right:32px;}
}
section{scroll-margin-top:96px;}

/* ============ 通用组件 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 24px;border-radius:var(--radius-s);
  font-size:15px;font-weight:500;letter-spacing:.2px;cursor:pointer;
  border:1px solid transparent;transition:all .22s ease;white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#04120C;box-shadow:0 4px 14px rgba(22,224,163,.18);}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 12px 28px rgba(22,224,163,.3);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:rgba(22,224,163,.55);color:var(--primary);}
.btn-ghost:hover{background:rgba(22,224,163,.1);border-color:var(--primary);transform:translateY(-2px);}
.btn-block{width:100%;}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 12px;border-radius:999px;font-size:12px;line-height:1.7;
  border:1px solid var(--line);color:var(--muted);background:rgba(255,255,255,.03);
}
.tag-primary{color:var(--primary);border-color:rgba(22,224,163,.35);background:rgba(22,224,163,.08);}
.tag-accent{color:var(--accent);border-color:rgba(255,159,28,.35);background:rgba(255,159,28,.08);}
.tag-warn{color:var(--warn);border-color:rgba(255,77,141,.35);background:rgba(255,77,141,.08);}

.sec{padding:96px 0;border-top:1px solid var(--line);}
.sec-plain{border-top:0;}
.sec-head{max-width:760px;margin-bottom:var(--gap-xl);}
.sec-eyebrow{
  font-family:var(--mono);font-size:12px;letter-spacing:2px;color:var(--primary);
  text-transform:uppercase;margin-bottom:12px;display:block;
}
.sec-title{font-size:30px;line-height:1.3;font-weight:700;letter-spacing:.4px;}
.sec-desc{color:var(--muted);font-size:16px;margin-top:14px;max-width:760px;}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;}

/* ============ Header ============ */
.site-header{
  position:sticky;top:0;z-index:120;background:rgba(14,21,18,.96);
  border-bottom:1px solid transparent;transition:border-color .25s ease,background .25s ease;
}
.site-header.is-stuck{border-bottom-color:var(--line);background:#0E1512;box-shadow:0 8px 24px rgba(0,0,0,.35);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:var(--gap-m);height:72px;}
.brand{display:flex;flex-direction:column;line-height:1.15;}
.brand-text{font-size:20px;letter-spacing:1px;}
.brand-light{font-weight:400;color:var(--text);}
.brand-bold{font-weight:700;color:var(--primary);}
.brand-sub{font-family:var(--mono);font-size:10px;letter-spacing:2.4px;color:var(--muted);margin-top:2px;}
.main-nav{display:flex;align-items:center;gap:6px;}
.nav-link{
  padding:10px 14px;border-radius:999px;font-size:15px;color:var(--muted);
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-link.is-active{color:var(--primary);background:rgba(22,224,163,.1);font-weight:500;}
.header-cta{display:flex;align-items:center;gap:10px;}
.header-cta .btn{padding:10px 18px;font-size:14px;min-height:40px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--radius-s);
  background:transparent;border:1px solid var(--line);color:var(--text);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:1.5px;background:currentColor;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:1.5px;background:currentColor;
}
.nav-toggle span::before{top:-5px;}
.nav-toggle span::after{top:5px;}
.mobile-menu{display:none;border-top:1px solid var(--line);background:var(--panel);}
.mobile-menu.is-open{display:block;}
.mobile-menu .grid-container{padding-top:12px;padding-bottom:16px;}
.mobile-menu a{
  display:block;padding:13px 4px;font-size:15px;color:var(--muted);border-bottom:1px solid var(--line);
}
.mobile-menu a.is-active{color:var(--primary);}
.mobile-menu .mm-cta{display:flex;gap:10px;margin-top:16px;}
.mobile-menu .mm-cta .btn{flex:1;}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  background-image:url('/assets/images/backpic/back-1.jpg');
  background-size:cover;background-position:center;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(14,21,18,.88) 0%,rgba(14,21,18,.62) 55%,rgba(14,21,18,.74) 100%);
}
.hero-inner{position:relative;padding:96px 0 88px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  border:1px solid rgba(255,159,28,.45);background:rgba(255,159,28,.12);
  color:var(--accent);font-size:12.5px;letter-spacing:.6px;font-weight:500;
}
.hero-badge i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;}
.hero h1{font-size:44px;line-height:1.3;font-weight:700;margin:22px 0 16px;letter-spacing:.5px;max-width:660px;}
.hero h1 em{font-style:normal;color:var(--primary);}
.hero-sub{font-size:17px;color:#C9DED5;max-width:620px;}
.hero-lead{font-size:15.5px;color:var(--muted);max-width:620px;margin-top:16px;line-height:1.85;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;}
.hero-timer{
  margin-top:26px;display:inline-flex;align-items:center;gap:12px;
  padding:10px 16px;border-radius:var(--radius-s);border:1px solid var(--line);
  background:rgba(22,32,28,.7);
}
.hero-timer b{font-family:var(--mono);color:var(--accent);font-size:15px;letter-spacing:1px;font-weight:500;}
.hero-timer span{font-size:13px;color:var(--muted);}
.hero-panel{
  background:rgba(22,32,28,.9);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);
}
.hero-panel-head{
  display:flex;justify-content:space-between;align-items:center;
  font-size:13px;color:var(--muted);padding-bottom:14px;border-bottom:1px solid var(--line);
}
.hero-metrics{display:flex;flex-direction:column;}
.hero-metric{display:flex;align-items:baseline;justify-content:space-between;padding:14px 0;border-bottom:1px dashed var(--line);}
.hero-metric:last-child{border-bottom:0;padding-bottom:4px;}
.hero-metric .num{font-family:var(--mono);font-size:26px;color:var(--primary);font-weight:500;letter-spacing:.5px;}
.hero-metric .num small{font-size:13px;color:var(--muted);margin-left:4px;letter-spacing:0;}
.hero-metric .lbl{font-size:13px;color:var(--muted);text-align:right;max-width:150px;line-height:1.6;}
.hero-panel-foot{
  margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px;
}
.dot-live{width:7px;height:7px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 4px rgba(22,224,163,.14);}

/* ============ 安全主张 ============ */
.safety{border-top:1px solid var(--line);background:var(--panel);}
.safety-list{display:grid;gap:var(--gap-m);}
.safety-item{
  display:flex;gap:16px;padding:20px;border:1px solid var(--line);border-radius:var(--radius);
  background:var(--bg);transition:border-color .25s ease,transform .25s ease;
}
.safety-item:hover{border-color:rgba(22,224,163,.42);transform:translateY(-3px);}
.safety-ico{flex:0 0 40px;height:40px;border-radius:10px;background:rgba(22,224,163,.1);display:flex;align-items:center;justify-content:center;}
.safety-ico svg{width:20px;height:20px;stroke:var(--primary);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.safety-item h3{font-size:17px;font-weight:700;margin-bottom:6px;}
.safety-item p{font-size:14.5px;color:var(--muted);line-height:1.75;}

/* ============ 指标看板 ============ */
.metric-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px 20px;position:relative;height:100%;
  transition:border-color .25s ease,transform .25s ease;
}
.metric-card::after{
  content:"";position:absolute;left:22px;right:22px;bottom:0;height:2px;border-radius:2px;background:var(--primary);opacity:.9;
}
.metric-card:hover{border-color:rgba(22,224,163,.4);transform:translateY(-3px);}
.metric-num{font-family:var(--mono);font-size:34px;line-height:1.2;color:var(--primary);font-weight:500;letter-spacing:.5px;}
.metric-num small{font-size:14px;color:var(--muted);margin-left:6px;letter-spacing:0;}
.metric-title{font-size:15px;font-weight:500;margin:10px 0 6px;}
.metric-note{font-size:13.5px;color:var(--muted);line-height:1.7;}

/* ============ 服务矩阵 ============ */
.svc-wide{
  display:flex;flex-direction:column;justify-content:space-between;height:100%;
  background:linear-gradient(160deg,rgba(22,224,163,.09),rgba(22,224,163,0) 62%),var(--panel);
  border:1px solid rgba(22,224,163,.24);border-radius:var(--radius);padding:28px;
  transition:border-color .25s ease,transform .25s ease;
}
.svc-wide:hover{border-color:rgba(22,224,163,.55);transform:translateY(-3px);}
.svc-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;height:100%;display:flex;flex-direction:column;
  transition:border-color .25s ease,transform .25s ease;
}
.svc-card:hover{border-color:rgba(22,224,163,.45);transform:translateY(-3px);}
.svc-no{font-family:var(--mono);font-size:13px;color:var(--accent);letter-spacing:2px;}
.svc-card h3,.svc-wide h3{font-size:19px;font-weight:700;margin:12px 0 10px;line-height:1.45;}
.svc-card p,.svc-wide p{font-size:14.5px;color:var(--muted);line-height:1.8;flex:1;}
.svc-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--primary);
  margin-top:18px;padding-bottom:2px;border-bottom:1px solid rgba(22,224,163,.35);
  transition:gap .22s ease,color .22s ease;align-self:flex-start;
}
.svc-link:hover{gap:11px;color:#5BF0C4;}
.svc-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}

/* ============ 结果对比 ============ */
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);}
table.compare-table{width:100%;margin:0;background:transparent;color:var(--text);border-collapse:collapse;min-width:640px;}
.compare-table thead th{
  background:var(--panel-2);color:var(--text);font-size:14px;font-weight:500;
  padding:16px 18px;border-bottom:1px solid var(--line);text-align:left;letter-spacing:.4px;
}
.compare-table thead th:nth-child(2){color:var(--muted);}
.compare-table thead th:nth-child(3){color:var(--primary);}
.compare-table tbody td{
  background:transparent;color:var(--text);font-size:14.5px;padding:15px 18px;
  border-bottom:1px solid var(--line);vertical-align:top;line-height:1.7;
}
.compare-table tbody tr:nth-child(odd) td{background:rgba(255,255,255,.022);}
.compare-table tbody tr:last-child td{border-bottom:0;}
.compare-table td:first-child{color:var(--muted);width:24%;}
.compare-table td:nth-child(2){color:#8899A0;}
.compare-table td:nth-child(3){color:#CDEEE1;}

/* ============ 需求自评 ============ */
.check-wrap{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px;
}
.chips{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--muted);
  font-size:14px;cursor:pointer;transition:all .22s ease;user-select:none;
}
.chip:hover{border-color:rgba(22,224,163,.45);color:var(--text);}
.chip.is-on{background:rgba(22,224,163,.12);border-color:var(--primary);color:var(--primary);font-weight:500;}
.chip::before{content:"+";font-family:var(--mono);font-size:14px;line-height:1;opacity:.75;}
.chip.is-on::before{content:"✓";}
.result-card{
  background:var(--panel-2);border:1px solid rgba(22,224,163,.28);border-radius:var(--radius);
  padding:24px;height:100%;display:flex;flex-direction:column;justify-content:center;
}
.result-card .rc-cnt{font-family:var(--mono);font-size:38px;color:var(--primary);line-height:1.1;}
.result-card .rc-cnt small{font-size:14px;color:var(--muted);margin-left:6px;}
.result-card h3{font-size:17px;font-weight:700;margin:12px 0 8px;}
.result-card p{font-size:14.5px;color:var(--muted);line-height:1.8;}

/* ============ 里程碑 ============ */
.timeline{display:grid;gap:var(--gap-m);position:relative;}
.tl-item{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;transition:border-color .25s ease,transform .25s ease;
}
.tl-item:hover{border-color:rgba(22,224,163,.42);transform:translateY(-3px);}
.tl-date{font-family:var(--mono);font-size:13px;color:var(--accent);letter-spacing:1px;}
.tl-item h3{font-size:16px;font-weight:700;margin:10px 0 8px;line-height:1.5;}
.tl-item p{font-size:14px;color:var(--muted);line-height:1.75;min-height:48px;}
.progress{margin:14px 0 0;height:4px;background:rgba(255,255,255,.07);border-radius:999px;border:0;overflow:hidden;}
.progress-meter{height:100%;background:var(--primary);border-radius:999px;display:block;}

/* ============ 场景卡 ============ */
.scene-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;height:100%;display:flex;flex-direction:column;
  transition:border-color .25s ease,transform .25s ease;
}
.scene-card:hover{border-color:rgba(22,224,163,.45);transform:translateY(-3px);}
.scene-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--panel-2);}
.scene-media img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease;}
.scene-card:hover .scene-media img{transform:scale(1.03);}
.scene-body{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1;}
.scene-body h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.scene-body p{font-size:14.5px;color:var(--muted);line-height:1.75;flex:1;}

/* ============ 四步流程 ============ */
.steps{display:grid;gap:var(--gap-m);position:relative;}
.step{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;position:relative;transition:border-color .25s ease,transform .25s ease;
}
.step:hover{border-color:rgba(22,224,163,.45);transform:translateY(-3px);}
.step-no{font-family:var(--mono);font-size:12px;letter-spacing:2px;color:var(--primary);}
.step h3{font-size:18px;font-weight:700;margin:12px 0 8px;}
.step p{font-size:14.5px;color:var(--muted);line-height:1.75;}
.step::after{content:"";position:absolute;right:-18px;top:50%;width:14px;border-top:1px dashed rgba(22,224,163,.45);}
.step:last-child::after{display:none;}

/* ============ 导师阵容 ============ */
.coach-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;text-align:center;height:100%;
  transition:border-color .25s ease,transform .25s ease;
}
.coach-card:hover{border-color:rgba(22,224,163,.45);transform:translateY(-3px);}
.coach-avatar{
  width:84px;height:84px;border-radius:14px;overflow:hidden;margin:0 auto 14px;
  border:1px solid var(--line);background:var(--panel-2);
}
.coach-avatar img{width:100%;height:100%;object-fit:cover;}
.coach-card h3{font-size:17px;font-weight:700;}
.coach-field{font-size:14px;color:var(--muted);margin-top:6px;line-height:1.7;}
.coach-stars{font-family:var(--mono);font-size:13px;color:var(--accent);margin-top:10px;letter-spacing:1px;}
.coach-stars b{color:var(--text);font-weight:500;margin-left:6px;letter-spacing:0;}

/* ============ 资源库 ============ */
.res-panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:10px 22px;}
.res-row{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 0;border-bottom:1px solid var(--line);
}
.res-row:last-child{border-bottom:0;}
.res-main{display:flex;align-items:center;gap:14px;min-width:0;}
.res-idx{font-family:var(--mono);font-size:13px;color:var(--muted);flex:0 0 30px;}
.res-name{font-size:15px;font-weight:500;}
.res-meta{font-size:13px;color:var(--muted);margin-top:3px;}
.res-act{
  flex:0 0 auto;font-size:13.5px;padding:9px 16px;min-height:38px;
}

/* ============ 资讯列表 ============ */
.news-row{
  display:flex;gap:18px;padding:18px;background:var(--panel);
  border:1px solid var(--line);border-radius:var(--radius);margin-bottom:16px;
  transition:border-color .25s ease,transform .25s ease;
}
.news-row:hover{border-color:rgba(22,224,163,.45);transform:translateY(-3px);}
.news-media{flex:0 0 200px;aspect-ratio:16/9;border-radius:10px;overflow:hidden;background:var(--panel-2);}
.news-media img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease;}
.news-row:hover .news-media img{transform:scale(1.03);}
.news-body{min-width:0;display:flex;flex-direction:column;}
.news-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px;}
.news-body h3{font-size:17px;font-weight:700;line-height:1.5;margin-bottom:8px;}
.news-body p{font-size:14.5px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}

/* ============ 平台保障 ============ */
.guard{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;height:100%;transition:border-color .25s ease,transform .25s ease;
}
.guard:hover{border-color:rgba(22,224,163,.42);transform:translateY(-3px);}
.guard-ico{width:42px;height:42px;border-radius:10px;background:rgba(22,224,163,.1);display:flex;align-items:center;justify-content:center;margin-bottom:14px;}
.guard-ico svg{width:20px;height:20px;stroke:var(--primary);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.guard h3{font-size:16.5px;font-weight:700;margin-bottom:8px;}
.guard p{font-size:14px;color:var(--muted);line-height:1.75;}

/* ============ 快速解答 ============ */
.quick-card{
  background:var(--panel-2);border:1px solid var(--line);border-left:2px solid var(--accent);
  border-radius:10px;padding:18px 20px;height:100%;
}
.quick-card h3{font-size:15.5px;font-weight:700;margin-bottom:8px;}
.quick-card p{font-size:14px;color:var(--muted);line-height:1.75;}

/* ============ 误区对照 ============ */
.myth-col{border-radius:var(--radius);border:1px solid var(--line);padding:24px;height:100%;background:var(--panel);}
.myth-col.bad{border-left:2px solid var(--warn);}
.myth-col.good{border-left:2px solid var(--primary);}
.myth-col h3{font-size:18px;font-weight:700;margin-bottom:16px;}
.myth-col li{
  font-size:14.5px;color:var(--muted);line-height:1.75;padding:12px 0;
  border-bottom:1px dashed var(--line);display:flex;gap:10px;
}
.myth-col li:last-child{border-bottom:0;padding-bottom:0;}
.myth-col li i{font-family:var(--mono);font-style:normal;flex:0 0 auto;font-size:13px;padding-top:2px;}
.myth-col.bad li i{color:var(--warn);}
.myth-col.good li i{color:var(--primary);}

/* ============ 口碑评价 ============ */
.review-scroll{display:flex;gap:20px;overflow-x:auto;padding-bottom:12px;scroll-snap-type:x mandatory;}
.review-scroll::-webkit-scrollbar{height:6px;}
.review-scroll::-webkit-scrollbar-thumb{background:rgba(22,224,163,.3);border-radius:999px;}
.review-card{
  flex:0 0 300px;scroll-snap-align:start;background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius);padding:22px;display:flex;flex-direction:column;
  transition:border-color .25s ease,transform .25s ease;
}
.review-card:hover{border-color:rgba(22,224,163,.42);transform:translateY(-3px);}
.review-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.review-name{font-size:15px;font-weight:700;}
.review-stars{font-family:var(--mono);font-size:13px;color:var(--accent);letter-spacing:1px;}
.review-card p{font-size:14.5px;color:var(--muted);line-height:1.8;flex:1;}
.review-foot{margin-top:14px;padding-top:12px;border-top:1px solid var(--line);}

/* ============ FAQ ============ */
.faq-accordion{background:transparent;border:0;margin:0;}
.faq-accordion .accordion-item{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  margin-bottom:12px;overflow:hidden;
}
.faq-accordion .accordion-item.is-active{border-color:rgba(22,224,163,.4);}
.faq-accordion .accordion-title{
  background:transparent;border:0;color:var(--text);font-size:16px;font-weight:500;
  padding:18px 54px 18px 20px;position:relative;line-height:1.6;
}
.faq-accordion .accordion-title:hover{background:rgba(255,255,255,.03);}
.faq-accordion .accordion-title::before{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  color:var(--primary);font-size:20px;line-height:1;font-family:var(--mono);margin:0;
}
.faq-accordion .accordion-item.is-active .accordion-title::before{content:"−";}
.faq-accordion .accordion-content{
  background:transparent;border:0;color:var(--muted);font-size:15px;line-height:1.8;
  padding:0 20px 20px;border-top:1px solid var(--line);padding-top:16px;
}

/* ============ 转化表单 ============ */
.form-shell{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px;box-shadow:var(--shadow);
}
.form-title{font-size:24px;font-weight:700;line-height:1.4;}
.form-lead{font-size:15px;color:var(--muted);margin-top:12px;line-height:1.8;}
.form-points{margin-top:22px;}
.form-points li{
  display:flex;gap:10px;font-size:14.5px;color:#C9DED5;padding:11px 0;border-bottom:1px dashed var(--line);
}
.form-points li:last-child{border-bottom:0;}
.form-points li i{font-family:var(--mono);font-style:normal;color:var(--primary);flex:0 0 auto;font-size:13px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;color:var(--muted);margin-bottom:8px;}
.field input[type="text"],
.field input[type="tel"],
.field select,
.field textarea{
  width:100%;background:#1A2620;border:1px solid var(--line);border-radius:var(--radius-s);
  color:var(--text);font-size:15px;padding:12px 14px;font-family:inherit;
  transition:border-color .2s ease,box-shadow .2s ease;appearance:none;
}
.field select{
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath fill='%239BB3AA' d='M6 8 0 0h12z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;background-size:10px;
  padding-right:38px;
}
.field textarea{min-height:96px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(22,224,163,.12);
}
.field-check{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--muted);line-height:1.7;}
.field-check input{width:16px;height:16px;margin-top:3px;accent-color:#16E0A3;flex:0 0 auto;}
.err{font-size:13px;color:var(--warn);margin-top:6px;display:none;}
.err.is-show{display:block;}
.callout{
  border-radius:var(--radius-s);padding:14px 16px;font-size:14px;line-height:1.75;
  border:1px solid var(--line);background:var(--panel-2);color:var(--muted);margin-top:16px;display:none;
}
.callout.is-show{display:block;}
.callout.success{border-color:rgba(22,224,163,.45);color:#BDF3E0;background:rgba(22,224,163,.1);}
.callout.alert{border-color:rgba(255,77,141,.45);color:#FFC6DC;background:rgba(255,77,141,.1);}

/* ============ Footer ============ */
.site-footer{background:var(--panel);border-top:1px solid var(--line);padding:64px 0 0;margin-top:0;}
.footer-grid{padding-bottom:40px;}
.footer-brand .brand{margin-bottom:14px;}
.footer-brand p{font-size:14px;color:var(--muted);line-height:1.8;}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:.4px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--muted);transition:color .2s ease;}
.footer-col a:hover{color:var(--primary);}
.footer-col p{font-size:14px;color:var(--muted);line-height:1.8;}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13px;color:var(--muted);
}
.footer-bottom .mono{color:#7A9089;}

/* ============ 响应式 ============ */
@media screen and (max-width:1200px){
  .hero h1{font-size:38px;}
}
@media screen and (max-width:1023px){
  .main-nav,.header-cta{display:none;}
  .nav-toggle{display:flex;}
  .sec{padding:72px 0;}
  .hero-inner{padding:76px 0 64px;}
  .hero h1{font-size:34px;}
  .sec-title{font-size:26px;}
  .step::after{display:none;}
  .news-media{flex:0 0 160px;}
}
@media screen and (max-width:767px){
  .sec{padding:60px 0;}
  .hero-inner{padding:60px 0 52px;}
  .hero h1{font-size:30px;max-width:100%;}
  .hero-sub{font-size:16px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .sec-title{font-size:24px;}
  .compare-table{min-width:560px;}
  .news-row{flex-direction:column;gap:14px;}
  .news-media{flex:0 0 auto;width:100%;}
  .res-row{flex-direction:column;align-items:flex-start;gap:12px;}
  .res-main{align-items:flex-start;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:520px){
  .grid-container{padding-left:16px;padding-right:16px;}
  .hero h1{font-size:27px;}
  .metric-num{font-size:28px;}
  .form-shell{padding:22px;}
  .timeline{gap:14px;}
}
@media screen and (max-width:480px){
  .hero-metrics{flex-direction:row;overflow-x:auto;gap:20px;padding-bottom:6px;}
  .hero-metric{flex-direction:column;align-items:flex-start;border-bottom:0;border-right:1px dashed var(--line);padding:0 20px 0 0;min-width:130px;}
  .hero-metric:last-child{border-right:0;padding-right:0;}
  .hero-metric .lbl{text-align:left;max-width:none;margin-top:6px;}
}

/* roulang page: category1 */
:root{
  --bg:#0E1512;
  --panel:#16201C;
  --panel-2:#1D2A24;
  --primary:#16E0A3;
  --accent:#FF9F1C;
  --warn:#FF4D8D;
  --text:#E8F5EF;
  --muted:#9BB3AA;
  --line:rgba(255,255,255,.08);
  --radius:12px;
  --radius-s:8px;
  --gap-s:12px;
  --gap-m:20px;
  --gap-l:32px;
  --gap-xl:48px;
  --shadow:0 6px 18px rgba(0,0,0,.35);
  --mono:"JetBrains Mono","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::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","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
.mono{font-family:var(--mono);}
.grid-container{max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
section{scroll-margin-top:120px;}
@media screen and (min-width:1440px){
  .grid-container{max-width:1440px;padding-left:32px;padding-right:32px;}
}

/* ===== 通用组件 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 24px;border-radius:var(--radius-s);
  font-size:15px;font-weight:500;letter-spacing:.2px;cursor:pointer;
  border:1px solid transparent;transition:all .22s ease;white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#04120C;box-shadow:0 4px 14px rgba(22,224,163,.18);}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 12px 28px rgba(22,224,163,.3);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:rgba(22,224,163,.55);color:var(--primary);}
.btn-ghost:hover{background:rgba(22,224,163,.1);border-color:var(--primary);transform:translateY(-2px);}
.btn:focus-visible,.chip:focus-visible,.nav-link:focus-visible,a:focus-visible{
  outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;
}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 12px;border-radius:999px;font-size:12px;line-height:1.7;
  border:1px solid var(--line);color:var(--muted);background:rgba(255,255,255,.03);
}
.tag-primary{color:var(--primary);border-color:rgba(22,224,163,.35);background:rgba(22,224,163,.08);}
.tag-accent{color:var(--accent);border-color:rgba(255,159,28,.35);background:rgba(255,159,28,.08);}
.sec-eyebrow{
  font-family:var(--mono);font-size:12px;letter-spacing:2px;color:var(--primary);
  text-transform:uppercase;display:block;margin-bottom:12px;
}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:120;background:rgba(14,21,18,.96);
  border-bottom:1px solid transparent;transition:border-color .25s ease,background .25s ease;
}
.site-header.is-stuck{border-bottom-color:var(--line);background:#0E1512;box-shadow:0 8px 24px rgba(0,0,0,.35);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:var(--gap-m);height:72px;}
.brand{display:flex;flex-direction:column;line-height:1.15;}
.brand-text{font-size:20px;letter-spacing:1px;}
.brand-light{font-weight:400;color:var(--text);}
.brand-bold{font-weight:700;color:var(--primary);}
.brand-sub{font-family:var(--mono);font-size:10px;letter-spacing:2.4px;color:var(--muted);margin-top:2px;}
.main-nav{display:flex;align-items:center;gap:6px;}
.nav-link{
  padding:10px 14px;border-radius:999px;font-size:15px;color:var(--muted);
  transition:color .2s ease,background .2s ease;white-space:nowrap;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-link.is-active{color:var(--primary);background:rgba(22,224,163,.1);font-weight:500;}
.header-cta{display:flex;align-items:center;gap:10px;}
.header-cta .btn{padding:10px 18px;font-size:14px;min-height:40px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--radius-s);
  background:transparent;border:1px solid var(--line);color:var(--text);
  align-items:center;justify-content:center;cursor:pointer;flex:0 0 auto;
}
.nav-toggle span{display:block;width:18px;height:1.5px;background:currentColor;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:1.5px;background:currentColor;
}
.nav-toggle span::before{top:-5px;}
.nav-toggle span::after{top:5px;}
.mobile-menu{display:none;border-top:1px solid var(--line);background:var(--panel);}
.mobile-menu.is-open{display:block;}
.mobile-menu .grid-container{padding-top:12px;padding-bottom:16px;}
.mobile-menu a{display:block;padding:13px 4px;font-size:15px;color:var(--muted);border-bottom:1px solid var(--line);}
.mobile-menu a.is-active{color:var(--primary);}
.mobile-menu .mm-cta{display:flex;gap:10px;margin-top:16px;}
.mobile-menu .mm-cta .btn{flex:1;}

/* ===== 分类标题带 ===== */
.cat-hero{background:var(--panel);border-bottom:1px solid var(--line);padding:34px 0 30px;}
.cat-hero-inner{display:flex;align-items:flex-end;justify-content:space-between;gap:var(--gap-l);flex-wrap:wrap;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.crumb a:hover{color:var(--primary);}
.crumb .sep{color:rgba(255,255,255,.22);}
.cat-hero h1{font-size:34px;line-height:1.3;font-weight:700;letter-spacing:.4px;margin:14px 0 12px;}
.cat-hero h1 em{font-style:normal;color:var(--primary);}
.cat-lead{font-size:15.5px;color:var(--muted);max-width:660px;line-height:1.8;}
.cat-stats{display:flex;gap:30px;border-left:1px solid var(--line);padding-left:30px;flex:0 0 auto;}
.cat-stat b{display:block;font-family:var(--mono);font-size:22px;font-weight:500;color:var(--primary);line-height:1.4;}
.cat-stat span{font-size:12.5px;color:var(--muted);letter-spacing:.3px;}

/* ===== 筛选条 ===== */
.filter-bar{
  position:sticky;top:72px;z-index:100;background:rgba(14,21,18,.98);
  border-bottom:1px solid var(--line);padding:14px 0;
}
.filter-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.chip-group{display:flex;gap:8px;flex-wrap:wrap;}
.chip{
  padding:7px 16px;border-radius:999px;border:1px solid var(--line);
  background:rgba(255,255,255,.03);color:var(--muted);font-size:13.5px;
  cursor:pointer;transition:all .2s ease;
}
.chip:hover{color:var(--text);border-color:rgba(22,224,163,.4);}
.chip.is-active{background:rgba(22,224,163,.14);border-color:rgba(22,224,163,.5);color:var(--primary);font-weight:500;}
.filter-right{display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.sort-select{
  background:#1A2620;border:1px solid var(--line);color:var(--text);
  border-radius:var(--radius-s);padding:9px 12px;font-size:14px;cursor:pointer;
}
.sort-select:focus{outline:none;border-color:var(--primary);}
.result-count{font-size:13.5px;color:var(--muted);}
.result-count b{font-family:var(--mono);color:var(--primary);font-weight:500;}

/* ===== 板块 ===== */
.cat-section{padding:76px 0;}
.cat-section.is-alt{background:var(--panel);}
.cat-section + .cat-section{border-top:1px solid var(--line);}
.sec-title{font-size:27px;line-height:1.35;font-weight:700;letter-spacing:.3px;margin-bottom:10px;}
.sec-sub{font-size:15px;color:var(--muted);max-width:720px;margin-bottom:32px;}

/* ===== 收录说明 ===== */
.range-copy p{color:#C7DCD3;font-size:15.5px;line-height:1.85;margin-bottom:16px;max-width:720px;}
.range-media{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--panel-2);}
.range-media img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.range-media figcaption{padding:12px 16px;font-size:13px;color:var(--muted);border-top:1px solid var(--line);}

/* ===== 卡片列表 ===== */
#catList{margin-left:-10px;margin-right:-10px;}
#catList > .cell{padding-left:10px;padding-right:10px;margin-bottom:20px;}
.cat-card{
  display:flex;flex-direction:column;height:100%;overflow:hidden;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.cat-card:hover{border-color:rgba(22,224,163,.4);transform:translateY(-3px);box-shadow:var(--shadow);}
.cat-card-media{position:relative;display:block;aspect-ratio:16/9;overflow:hidden;background:#0B110F;}
.cat-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease;}
.cat-card:hover .cat-card-media img{transform:scale(1.03);}
.cat-card-dur{
  position:absolute;right:10px;bottom:10px;padding:2px 8px;border-radius:6px;
  background:rgba(14,21,18,.86);border:1px solid var(--line);font-size:12px;color:var(--text);
}
.cat-card-body{padding:16px 18px 18px;display:flex;flex-direction:column;flex:1;}
.cat-card-title{font-size:17px;font-weight:500;line-height:1.55;margin-bottom:8px;}
.cat-card-title a{transition:color .2s ease;}
.cat-card-title a:hover{color:var(--primary);}
.cat-card-desc{
  font-size:14px;color:var(--muted);line-height:1.75;margin-bottom:14px;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
}
.cat-card-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;font-size:12.5px;color:var(--muted);}

/* ===== 分页 ===== */
.cat-pagination{margin-top:36px;}
.pagination{display:flex;justify-content:center;gap:8px;margin:0;flex-wrap:wrap;}
.pagination li{display:block;}
.pagination a,.pagination .current,.pagination .disabled{
  display:flex;align-items:center;justify-content:center;
  min-width:42px;min-height:42px;padding:8px 14px;border-radius:var(--radius-s);
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  color:var(--muted);font-size:14px;font-family:var(--mono);transition:all .2s ease;
}
.pagination a:hover{color:var(--primary);border-color:rgba(22,224,163,.45);background:rgba(22,224,163,.08);}
.pagination .current{background:var(--primary);border-color:var(--primary);color:#04120C;font-weight:500;}
.pagination .disabled{opacity:.4;pointer-events:none;background:transparent;}
.pagination .show-for-sr{
  position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;
}

/* ===== FAQ ===== */
.accordion{background:transparent;border:0;}
.accordion .accordion-item{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  margin-bottom:12px;overflow:hidden;
}
.accordion .accordion-item.is-active{border-color:rgba(22,224,163,.35);}
.accordion .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;color:var(--text);
  padding:18px 20px;font-size:16px;font-weight:500;line-height:1.6;
}
.accordion .accordion-title:hover{color:var(--primary);background:transparent;}
.accordion .accordion-title::before{
  content:"+";order:2;position:static;transform:none;border:0;
  width:auto;height:auto;margin:0;color:var(--primary);
  font-family:var(--mono);font-size:18px;line-height:1;
}
.accordion .accordion-item.is-active .accordion-title::before{content:"−";}
.accordion .accordion-content{
  display:none;background:transparent;border:0;padding:0 20px 18px;
  color:var(--muted);font-size:15px;line-height:1.8;
}
.accordion .accordion-item.is-active > .accordion-content{display:block;}

/* ===== 要点清单 ===== */
.ops-list{display:grid;gap:12px;}
.ops-item{
  display:flex;gap:16px;padding:16px 18px;border:1px solid var(--line);
  border-radius:var(--radius);background:var(--panel);transition:border-color .2s ease;
}
.ops-item:hover{border-color:rgba(22,224,163,.35);}
.ops-num{flex:0 0 34px;font-family:var(--mono);font-size:14px;color:var(--primary);padding-top:3px;}
.ops-text{font-size:15px;color:#CFE3DA;line-height:1.8;}

/* ===== 相关阅读 ===== */
.rel-list{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));}
.rel-list a{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:16px 18px;border:1px solid var(--line);border-radius:var(--radius);
  background:var(--panel);font-size:15px;transition:all .2s ease;
}
.rel-list a:hover{border-color:rgba(22,224,163,.45);transform:translateY(-2px);color:var(--primary);}
.rel-arrow{font-family:var(--mono);color:var(--primary);}

/* ===== 更新记录 ===== */
.up-list li{display:flex;gap:18px;padding:15px 0;border-bottom:1px dashed var(--line);}
.up-list li:last-child{border-bottom:0;}
.up-date{flex:0 0 104px;font-family:var(--mono);font-size:13px;color:var(--accent);padding-top:3px;}
.up-text{font-size:14.5px;color:var(--muted);line-height:1.8;}

/* ===== 底部转化 ===== */
.cat-cta{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  background:var(--panel-2);border:1px solid rgba(22,224,163,.28);
  border-radius:var(--radius);padding:36px 38px;
}
.cat-cta h2{font-size:24px;font-weight:700;line-height:1.4;margin-bottom:8px;}
.cat-cta p{font-size:15px;color:var(--muted);max-width:580px;}

/* ===== Footer ===== */
.site-footer{background:var(--panel);border-top:1px solid var(--line);padding-top:64px;}
.footer-grid{margin-left:-20px;margin-right:-20px;}
.footer-grid > .cell{padding-left:20px;padding-right:20px;margin-bottom:32px;}
.footer-brand p{margin-top:14px;font-size:14.5px;color:var(--muted);line-height:1.8;max-width:320px;}
.footer-col h4{font-size:15px;font-weight:500;margin-bottom:14px;color:var(--text);}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14.5px;color:var(--muted);transition:color .2s ease;}
.footer-col a:hover{color:var(--primary);}
.footer-col p{font-size:14.5px;color:var(--muted);margin-bottom:8px;}
.footer-bottom{
  margin-top:24px;border-top:1px solid var(--line);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);
}

/* ===== 响应式 ===== */
@media screen and (max-width:1023px){
  .main-nav{display:none;}
  .nav-toggle{display:flex;}
  .header-cta .btn-ghost{display:none;}
  .header-inner{height:64px;}
  .filter-bar{top:64px;}
  .cat-stats{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:16px;width:100%;gap:36px;}
  .cat-hero h1{font-size:29px;}
  .sec-title{font-size:24px;}
  .cat-section{padding:60px 0;}
}
@media screen and (max-width:639px){
  body{font-size:15.5px;}
  .cat-hero{padding:26px 0 24px;}
  .cat-hero h1{font-size:25px;}
  .cat-lead{font-size:14.5px;}
  .cat-section{padding:52px 0;}
  .sec-title{font-size:22px;}
  .cat-cta{padding:26px 22px;}
  .cat-cta .btn{width:100%;}
  .up-list li{flex-direction:column;gap:6px;}
  .up-date{flex:none;}
  .filter-inner{gap:12px;}
  .filter-right{width:100%;justify-content:space-between;}
}