/* roulang page: index */
:root{
  --bg:#060A14;
  --bg-2:#0B1220;
  --card:#101A2E;
  --card-2:#16233C;
  --line:rgba(120,160,255,.14);
  --line-strong:rgba(120,160,255,.30);
  --primary:#2E6BFF;
  --primary-light:#4F8BFF;
  --cyan:#22E0C8;
  --gold:#FFC24B;
  --warn:#FF5C7A;
  --t1:#EAF0FA;
  --t2:#9FB0C9;
  --t3:#6B7C96;
  --radius-card:16px;
  --radius-btn:10px;
  --shadow:0 8px 24px rgba(4,10,24,.45);
  --shadow-lift:0 14px 34px rgba(4,10,24,.60);
  --container:1200px;
  --font:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,
*::before,
*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:128px;}
body{
  margin:0;
  padding:0;
  background-color:var(--bg);
  background-image:
    linear-gradient(rgba(120,160,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,160,255,.04) 1px,transparent 1px);
  background-size:32px 32px;
  color:var(--t1);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .18s ease;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
::selection{background:rgba(46,107,255,.38);color:#fff;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;cursor:pointer;
  border:1px solid transparent;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn-primary{
  color:#fff;
  background:linear-gradient(135deg,#4F8BFF 0%,#2E6BFF 100%);
  box-shadow:0 0 0 1px rgba(46,107,255,.5),0 8px 28px rgba(46,107,255,.35);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(79,139,255,.7),0 14px 34px rgba(46,107,255,.48);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 8px rgba(3,10,30,.55),0 0 0 1px rgba(46,107,255,.5);}
.btn-primary:disabled{background:#2A3category;background:#2A3A5C;color:var(--t3);box-shadow:none;cursor:not-allowed;filter:saturate(.4);}
.btn-ghost{
  color:var(--t1);background:transparent;border:1px solid var(--line-strong);
}
.btn-ghost:hover{border-color:var(--primary);color:#fff;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);background:rgba(46,107,255,.12);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:9px;}
.btn-block{width:100%;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--primary-light);
  font-size:14px;font-weight:600;
}
.text-link i{transition:transform .18s ease;}
.text-link:hover{color:var(--cyan);}
.text-link:hover i{transform:translateX(4px);}

/* ============ 标签 ============ */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;line-height:1;letter-spacing:.02em;
  border:1px solid transparent;
}
.tag-blue{color:#BBD0FF;background:rgba(46,107,255,.14);border-color:rgba(46,107,255,.35);}
.tag-cyan{color:#8FF4E6;background:rgba(34,224,200,.12);border-color:rgba(34,224,200,.32);}
.tag-gold{color:#FFDFA0;background:rgba(255,194,75,.12);border-color:rgba(255,194,75,.34);}
.tag-mute{color:var(--t3);background:rgba(107,124,150,.12);border-color:rgba(107,124,150,.28);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:200;
  background:rgba(6,10,20,.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-top{
  height:64px;display:flex;align-items:center;gap:20px;
}
.brand{
  display:flex;align-items:center;gap:10px;flex-shrink:0;
}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#4F8BFF,#22E0C8);
  color:#04101F;font-weight:800;font-size:15px;letter-spacing:-.04em;
  box-shadow:0 6px 18px rgba(46,107,255,.42);
}
.brand-text{
  font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--t1);
  white-space:nowrap;
}
.brand-text em{font-style:normal;color:var(--primary-light);}
.nav-search{
  flex:1;max-width:420px;position:relative;
}
.nav-search input{
  width:100%;height:40px;border-radius:var(--radius-btn);
  background:rgba(255,255,255,.045);
  border:1px solid var(--line);
  color:var(--t1);font-size:14px;padding:0 16px 0 40px;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.nav-search input::placeholder{color:var(--t3);}
.nav-search input:focus{
  outline:none;border-color:var(--primary);background:rgba(46,107,255,.08);
  box-shadow:0 0 0 3px rgba(46,107,255,.18),0 0 18px rgba(34,224,200,.18);
}
.nav-search i{
  position:absolute;left:14px;top:50%;transform:translateY(-50%);
  color:var(--t3);font-size:13px;pointer-events:none;
}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex-shrink:0;}
.icon-btn{
  width:40px;height:40px;border-radius:var(--radius-btn);
  display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--line);color:var(--t2);
  cursor:pointer;transition:.18s ease;
}
.icon-btn:hover{border-color:var(--primary);color:#fff;background:rgba(46,107,255,.10);}
.search-toggle{display:none;}

.channel-row{
  border-top:1px solid rgba(120,160,255,.08);
  height:52px;display:flex;align-items:center;
  overflow-x:auto;overflow-y:hidden;
  scrollbar-width:none;
  -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 22px,#000 calc(100% - 22px),transparent 100%);
  mask-image:linear-gradient(90deg,transparent 0,#000 22px,#000 calc(100% - 22px),transparent 100%);
}
.channel-row::-webkit-scrollbar{display:none;}
.channel-list{display:flex;align-items:center;gap:8px;padding:0 24px;max-width:var(--container);margin:0 auto;width:100%;}
.channel-link{
  display:inline-flex;align-items:center;gap:7px;
  height:34px;padding:0 16px;border-radius:999px;
  font-size:14px;color:var(--t3);white-space:nowrap;
  border:1px solid transparent;
  transition:.18s ease;
}
.channel-link:hover{color:var(--t2);background:rgba(255,255,255,.04);}
.channel-link.active{
  color:#DCE8FF;background:rgba(46,107,255,.12);
  border-color:rgba(46,107,255,.55);
  box-shadow:0 0 16px rgba(46,107,255,.22);
}
.channel-link i{font-size:12px;opacity:.9;}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(105deg,rgba(6,10,20,.94) 0%,rgba(6,10,20,.78) 46%,rgba(6,10,20,.62) 100%),
    radial-gradient(900px 420px at 82% 18%,rgba(46,107,255,.30),transparent 70%);
}
.hero-inner{position:relative;z-index:2;padding:78px 0 92px;}
.hero-grid{
  display:grid;grid-template-columns:1.12fr .88fr;gap:56px;align-items:center;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;border-radius:999px;
  background:rgba(34,224,200,.10);border:1px solid rgba(34,224,200,.34);
  color:#8FF4E6;font-size:13px;font-weight:600;margin-bottom:22px;
}
.hero-badge .dot{
  width:7px;height:7px;border-radius:50%;background:var(--cyan);
  box-shadow:0 0 0 4px rgba(34,224,200,.16);
}
.hero h1{
  font-size:clamp(30px,3.6vw,46px);
  line-height:1.22;font-weight:800;letter-spacing:-.01em;
  margin:0 0 18px;color:#fff;
}
.hero h1 span{color:var(--primary-light);}
.hero-sub{
  font-size:16px;line-height:1.8;color:var(--t2);max-width:560px;margin-bottom:30px;
}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.hero-notes{display:flex;flex-wrap:wrap;gap:22px;font-size:13.5px;color:var(--t3);}
.hero-notes span{display:inline-flex;align-items:center;gap:7px;}
.hero-notes i{color:var(--cyan);font-size:12px;}

/* 玻璃数据卡 */
.hero-cards{display:grid;gap:14px;}
.glass-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.13);
  border-radius:var(--radius-card);
  padding:18px 20px;
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:0 12px 32px rgba(3,8,20,.42);
  transition:transform .2s ease,border-color .2s ease;
}
.glass-card:hover{transform:translateY(-2px);border-color:rgba(120,170,255,.42);}
.glass-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px;}
.glass-label{font-size:13px;color:var(--t2);display:flex;align-items:center;gap:8px;}
.glass-label i{font-size:13px;color:var(--primary-light);}
.num{
  font-variant-numeric:tabular-nums;
  font-weight:800;letter-spacing:-.02em;
}
.glass-value{font-size:28px;color:#fff;line-height:1.2;}
.glass-value.gold{color:var(--gold);}
.glass-foot{font-size:12.5px;color:var(--t3);margin-top:4px;}
.mini-bar{height:6px;border-radius:999px;background:rgba(255,255,255,.10);overflow:hidden;margin-top:10px;}
.mini-bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--cyan));}
.hero-progress{
  position:absolute;left:0;right:0;bottom:0;height:8px;background:rgba(255,255,255,.06);z-index:3;
}
.hero-progress span{
  display:block;height:100%;width:68%;
  background:linear-gradient(90deg,#2E6BFF 0%,#22E0C8 100%);
  box-shadow:0 0 18px rgba(34,224,200,.55);
}

/* ============ 通用板块 ============ */
.section{padding:96px 0;position:relative;}
.section-alt{background:rgba(11,18,32,.55);border-top:1px solid rgba(120,160,255,.08);border-bottom:1px solid rgba(120,160,255,.08);}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:44px;flex-wrap:wrap;
}
.section-title{
  position:relative;padding-left:16px;
  font-size:clamp(22px,2.4vw,29px);font-weight:800;letter-spacing:-.01em;line-height:1.3;color:#fff;
}
.section-title::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--primary),var(--cyan));
}
.section-desc{margin-top:10px;font-size:14.5px;color:var(--t2);max-width:640px;}

/* ============ 玩法步骤 ============ */
.steps{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;
}
.steps::before{
  content:"";position:absolute;top:52px;left:6%;right:6%;height:1px;
  background-image:linear-gradient(90deg,rgba(120,160,255,.5) 0 8px,transparent 8px 18px);
  background-size:18px 1px;background-repeat:repeat-x;
  opacity:.6;
}
.step{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:24px;
  box-shadow:var(--shadow);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.step:hover{transform:translateY(-3px);border-color:rgba(79,139,255,.45);box-shadow:var(--shadow-lift);}
.step-num{
  font-size:40px;font-weight:800;line-height:1;letter-spacing:-.03em;
  color:transparent;-webkit-text-stroke:1px rgba(79,139,255,.55);
  font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.step-icon{
  width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(46,107,255,.14);border:1px solid rgba(46,107,255,.30);
  color:var(--primary-light);font-size:17px;margin-bottom:16px;
}
.step h3{font-size:18px;font-weight:700;margin-bottom:8px;color:#fff;}
.step p{font-size:14px;color:var(--t2);line-height:1.75;}

/* ============ 奖励预览 ============ */
.reward-grid{display:grid;grid-template-columns:2fr 1fr;gap:24px;}
.reward-main{
  position:relative;border-radius:18px;overflow:hidden;
  border:1px solid var(--line);
  min-height:380px;display:flex;align-items:flex-end;
  box-shadow:var(--shadow);
  transition:transform .22s ease,border-color .22s ease;
}
.reward-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.reward-main::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,10,20,.30) 0%,rgba(6,10,20,.90) 72%);
}
.reward-main:hover{transform:translateY(-2px);border-color:rgba(255,194,75,.55);}
.reward-main-body{position:relative;z-index:2;padding:30px;}
.reward-main-body h3{font-size:22px;font-weight:800;color:#fff;margin:12px 0 8px;}
.reward-main-body p{font-size:14.5px;color:var(--t2);max-width:520px;}
.reward-amount{
  display:flex;align-items:baseline;gap:6px;margin-top:18px;color:var(--gold);
}
.reward-amount .num{font-size:42px;line-height:1;}
.reward-amount small{font-size:14px;color:rgba(255,194,75,.75);}
.reward-side{display:grid;gap:16px;}
.reward-mini{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px;box-shadow:var(--shadow);
  transition:transform .2s ease,border-color .2s ease;
}
.reward-mini:hover{transform:translateY(-2px);border-color:rgba(255,194,75,.5);}
.reward-mini h4{font-size:16px;font-weight:700;color:#fff;margin:10px 0 6px;}
.reward-mini p{font-size:13.5px;color:var(--t2);}
.reward-mini .mini-num{font-size:22px;color:var(--gold);}
.reward-mini .mini-num.cyan{color:var(--cyan);}

/* ============ 任务进度 ============ */
.progress-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:24px;align-items:start;}
.task-list{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:8px 24px;box-shadow:var(--shadow);
}
.task-item{
  display:flex;align-items:center;gap:16px;padding:18px 0;
  border-bottom:1px solid rgba(120,160,255,.10);
}
.task-item:last-child{border-bottom:0;}
.task-state{
  width:34px;height:34px;border-radius:50%;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;font-size:13px;
  border:1px solid var(--line-strong);color:var(--t3);
}
.task-state.done{background:rgba(34,224,200,.14);border-color:rgba(34,224,200,.5);color:var(--cyan);}
.task-state.doing{
  border-color:rgba(46,107,255,.55);color:var(--primary-light);
  background:conic-gradient(var(--primary-light) 0deg 250deg,rgba(255,255,255,.08) 250deg 360deg);
  -webkit-mask:none;
}
.task-state.doing i{background:var(--card);width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;}
.task-body{flex:1;min-width:0;}
.task-body h4{font-size:15.5px;font-weight:600;color:var(--t1);margin-bottom:2px;}
.task-body p{font-size:13px;color:var(--t3);}
.task-reward{font-size:14px;color:var(--gold);font-weight:700;white-space:nowrap;}
.task-reward.mute{color:var(--t3);font-weight:500;}

.progress-card{
  background:linear-gradient(160deg,var(--card-2),var(--card));
  border:1px solid var(--line);border-radius:18px;padding:30px;
  box-shadow:var(--shadow);position:relative;overflow:hidden;
}
.progress-card::before{
  content:"";position:absolute;top:-60px;right:-60px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(46,107,255,.32),transparent 70%);
}
.progress-card h3{font-size:18px;font-weight:700;color:#fff;margin-bottom:6px;position:relative;}
.progress-card .pc-sub{font-size:13.5px;color:var(--t2);margin-bottom:24px;position:relative;}
.pc-percent{
  display:flex;align-items:baseline;gap:6px;position:relative;margin-bottom:14px;
}
.pc-percent .num{font-size:48px;color:#fff;line-height:1;}
.pc-percent span{font-size:15px;color:var(--t2);}
.pc-track{height:10px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden;position:relative;}
.pc-track span{
  display:block;height:100%;width:68%;border-radius:999px;
  background:linear-gradient(90deg,var(--primary),var(--cyan));
  position:relative;overflow:hidden;
}
.pc-track span::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.45),transparent);
  animation:sweep 3.6s linear infinite;
}
@keyframes sweep{0%{transform:translateX(-100%);}100%{transform:translateX(200%);}}
.pc-meta{
  display:flex;justify-content:space-between;font-size:13px;color:var(--t3);margin-top:12px;
}
.pc-list{margin-top:26px;display:grid;gap:12px;position:relative;}
.pc-list li{
  display:flex;align-items:center;justify-content:space-between;
  font-size:14px;color:var(--t2);padding-bottom:12px;
  border-bottom:1px dashed rgba(120,160,255,.14);
}
.pc-list li:last-child{border-bottom:0;padding-bottom:0;}
.pc-list .num{color:var(--cyan);font-size:15px;}

/* ============ 最新动态（CMS） ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;display:flex;flex-direction:column;
  box-shadow:var(--shadow);
  transition:transform .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-3px);border-color:rgba(79,139,255,.45);}
.news-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--card-2);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-body{padding:20px;display:flex;flex-direction:column;flex:1;}
.news-cat{align-self:flex-start;margin-bottom:12px;}
.news-title{
  font-size:16.5px;font-weight:700;color:#fff;line-height:1.5;margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card:hover .news-title{color:var(--primary-light);}
.news-desc{
  font-size:13.5px;color:var(--t2);line-height:1.7;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--t3);border-top:1px solid rgba(120,160,255,.10);padding-top:14px;
}
.news-foot i{transition:transform .18s ease;}
.news-card:hover .news-foot i{transform:translateX(4px);color:var(--cyan);}
.empty-state{
  grid-column:1/-1;
  background:var(--card);border:1px dashed var(--line-strong);border-radius:var(--radius-card);
  padding:56px 24px;text-align:center;color:var(--t3);
}
.empty-state i{font-size:30px;color:var(--t3);margin-bottom:14px;display:block;}
.empty-state p{font-size:14.5px;}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(105deg,rgba(46,107,255,.26) 0%,rgba(34,224,200,.10) 60%,rgba(16,26,46,.9) 100%),var(--card);
  border:1px solid rgba(79,139,255,.34);
  border-radius:20px;padding:46px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  box-shadow:0 0 0 1px rgba(79,139,255,.10),0 20px 50px rgba(3,8,20,.5);
}
.cta-band::before{
  content:"";position:absolute;inset:-40% -10%;
  background:repeating-linear-gradient(105deg,rgba(255,255,255,.05) 0 2px,transparent 2px 16px);
  opacity:.6;pointer-events:none;
}
.cta-band h2{font-size:clamp(21px,2.2vw,27px);font-weight:800;color:#fff;margin-bottom:10px;position:relative;}
.cta-band p{font-size:14.5px;color:rgba(234,240,250,.78);max-width:600px;position:relative;}
.cta-btns{display:flex;gap:14px;flex-wrap:wrap;position:relative;flex-shrink:0;}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{
  border-bottom:1px solid var(--line);
  position:relative;
}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 8px 22px 18px;
  font-size:16.5px;font-weight:600;color:var(--t1);
  transition:color .18s ease,padding-left .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:#fff;}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;border-radius:3px;
  background:var(--cyan);opacity:0;transition:opacity .2s ease;
}
.faq-item[open] summary{color:#fff;padding-left:22px;}
.faq-item[open] summary::before{opacity:1;}
.faq-item summary::after{
  content:"\f078";
  font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:12px;color:var(--t3);
  transition:transform .2s ease,color .2s ease;
  flex-shrink:0;
}
.faq-item[open] summary::after{transform:rotate(180deg);color:var(--cyan);}
.faq-answer{
  padding:0 46px 24px 22px;font-size:14.8px;color:var(--t2);line-height:1.85;
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--bg-2);
  border-top:1px solid var(--line);
  padding:64px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--t2);line-height:1.8;max-width:320px;}
.footer-col h4{
  font-size:14px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.02em;
}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{font-size:14px;color:var(--t2);}
.footer-col a:hover{color:var(--primary-light);}
.footer-col p{font-size:13.5px;color:var(--t3);line-height:1.8;}
.footer-bottom{
  border-top:1px solid rgba(120,160,255,.10);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--t3);
}
.footer-bottom .fb-links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom a:hover{color:var(--t2);}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{padding:0 20px;}
  .channel-list{padding:0 20px;}
  .hero-grid{gap:36px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .steps::before{display:none;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:1023px){
  .section{padding:72px 0;}
  .hero-inner{padding:60px 0 78px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-cards{grid-template-columns:repeat(3,1fr);display:grid;}
  .glass-card{padding:16px;}
  .glass-value{font-size:22px;}
  .reward-grid{grid-template-columns:1fr;}
  .reward-main{min-height:320px;}
  .reward-side{grid-template-columns:repeat(3,1fr);}
  .progress-grid{grid-template-columns:1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  html{scroll-padding-top:112px;}
  .nav-top{height:60px;gap:12px;}
  .brand-text{font-size:15.5px;}
  .nav-search{display:none;}
  .nav-search.open{
    display:block;position:absolute;left:0;right:0;top:60px;
    padding:12px 20px;background:rgba(6,10,20,.98);
    border-bottom:1px solid var(--line);max-width:none;z-index:5;
  }
  .nav-search.open input{height:42px;}
  .search-toggle{display:inline-flex;}
  .nav-actions .btn span{display:none;}
  .nav-actions .btn{padding:0 14px;}
  .channel-row{height:50px;}
  .channel-link{height:32px;padding:0 13px;font-size:13.5px;}
  .hero-cards{grid-template-columns:1fr;}
  .hero h1{font-size:29px;}
  .hero-btns .btn{width:100%;}
  .steps{grid-template-columns:1fr;}
  .step{padding:20px;}
  .reward-side{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-btns{width:100%;}
  .cta-btns .btn{width:100%;}
  .progress-card{padding:24px;}
  .pc-percent .num{font-size:38px;}
  .faq-item summary{font-size:15.5px;padding:18px 6px 18px 16px;}
  .faq-answer{padding:0 18px 20px 16px;font-size:14.4px;}
}
@media (max-width:520px){
  body{font-size:15px;}
  .section{padding:56px 0;}
  .hero-inner{padding:48px 0 66px;}
  .hero h1{font-size:26px;}
  .hero-sub{font-size:15px;}
  .section-title{font-size:21px;}
  .glass-value{font-size:21px;}
  .reward-main-body{padding:22px;}
  .reward-amount .num{font-size:32px;}
  .cta-band{padding:28px 20px;}
  .hero-progress span{width:58%;}
}

/* roulang page: article */
:root{
  --bg:#060A14;
  --bg-soft:#0B1220;
  --card:#101A2E;
  --card-2:#16233C;
  --line:rgba(120,160,255,.14);
  --line-strong:rgba(120,160,255,.3);
  --primary:#2E6BFF;
  --primary-light:#4F8BFF;
  --accent:#22E0C8;
  --gold:#FFC24B;
  --danger:#FF5C7A;
  --text:#EAF0FA;
  --text-2:#9FB0C9;
  --text-3:#6B7C96;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow:0 8px 24px rgba(4,10,24,.45);
  --shadow-lg:0 18px 48px rgba(4,10,24,.6);
  --container:1200px;
  --font:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:130px;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  background-image:
    radial-gradient(1100px 520px at 78% -8%, rgba(46,107,255,.18), transparent 62%),
    radial-gradient(760px 420px at 6% 4%, rgba(34,224,200,.08), transparent 60%);
  background-repeat:no-repeat;
  min-height:100vh;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(120,160,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,160,255,.04) 1px,transparent 1px);
  background-size:32px 32px;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
input,textarea,select{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
::selection{background:rgba(46,107,255,.4);color:#fff;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(6,10,20,.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-top{
  position:relative;
  display:flex;
  align-items:center;
  gap:20px;
  height:64px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  display:grid;place-items:center;
  font-size:13px;font-weight:800;letter-spacing:.02em;color:#fff;
  background:linear-gradient(135deg,#2E6BFF,#22E0C8);
  box-shadow:0 6px 18px rgba(46,107,255,.35);
}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--text);line-height:1.1;}
.brand-text em{font-style:normal;color:var(--primary-light);}
.nav-search{
  position:relative;
  flex:1;
  max-width:420px;
  display:flex;
  align-items:center;
  gap:10px;
  height:40px;
  padding:0 14px;
  border-radius:var(--radius-btn);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.nav-search i{color:var(--text-3);font-size:13px;}
.nav-search input{
  flex:1;height:100%;border:0;background:transparent;color:var(--text);
  font-size:14px;outline:none;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search:focus-within{
  border-color:var(--primary);
  background:rgba(46,107,255,.08);
  box-shadow:0 0 0 3px rgba(34,224,200,.12);
}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 18px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:14px;font-weight:600;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .2s,box-shadow .2s,border-color .2s,color .2s,background .2s;
}
.btn-primary{
  color:#fff;
  background:linear-gradient(135deg,#2E6BFF,#4F8BFF);
  box-shadow:0 0 0 1px rgba(46,107,255,.5),0 8px 28px rgba(46,107,255,.35);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(79,139,255,.75),0 14px 34px rgba(46,107,255,.5);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 10px rgba(0,0,0,.45);}
.btn-ghost{
  background:transparent;color:var(--text-2);border-color:var(--line-strong);
}
.btn-ghost:hover{border-color:var(--primary);color:var(--text);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn[disabled],.btn:disabled{opacity:.4;filter:saturate(.4);box-shadow:none;cursor:not-allowed;transform:none;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary-light);font-size:14px;font-weight:600;
  background:none;border:0;cursor:pointer;padding:0;
  transition:gap .2s,color .2s;
}
.btn-text:hover{gap:10px;color:var(--accent);}
.icon-btn{
  width:40px;height:40px;flex-shrink:0;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--radius-btn);
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--text-2);font-size:14px;
  cursor:pointer;
  transition:color .2s,border-color .2s,background .2s;
}
.icon-btn:hover{color:var(--text);border-color:var(--primary);background:rgba(46,107,255,.12);}
.search-toggle{display:none;}

.channel-row{
  border-top:1px solid var(--line);
  background:rgba(8,13,26,.9);
}
.channel-list{
  display:flex;align-items:center;gap:8px;
  max-width:var(--container);
  margin:0 auto;
  height:52px;
  padding:0 24px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.channel-list::-webkit-scrollbar{display:none;}
.channel-link{
  display:inline-flex;align-items:center;gap:8px;
  height:34px;padding:0 16px;
  border-radius:var(--radius-pill);
  border:1px solid transparent;
  font-size:14px;font-weight:500;
  color:var(--text-3);
  white-space:nowrap;
  transition:color .2s,background .2s,border-color .2s;
}
.channel-link i{font-size:12px;}
.channel-link:hover{color:var(--text-2);background:rgba(255,255,255,.04);}
.channel-link.active{
  color:var(--text);
  background:rgba(46,107,255,.12);
  border-color:rgba(46,107,255,.55);
  box-shadow:0 0 18px rgba(46,107,255,.18);
}

/* ---------- Page hero / breadcrumb ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--line);
  background-image:linear-gradient(90deg,rgba(6,10,20,.94) 0%,rgba(6,10,20,.78) 55%,rgba(6,10,20,.5) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
}
.page-hero::after{
  content:"";
  position:absolute;left:-80px;bottom:-120px;width:420px;height:260px;
  background:linear-gradient(12deg,rgba(46,107,255,.4),rgba(34,224,200,.16),transparent 70%);
  transform:skewX(-12deg);
  filter:blur(38px);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:1;padding-top:34px;padding-bottom:34px;}
.breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);
  flex-wrap:wrap;
}
.breadcrumb a{color:var(--text-3);transition:color .2s;}
.breadcrumb a:hover{color:var(--primary-light);}
.breadcrumb i{font-size:10px;color:var(--text-3);opacity:.7;}
.crumb-current{
  color:var(--text-2);
  max-width:460px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}

/* ---------- Article layout ---------- */
main{position:relative;z-index:1;}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:40px;
  align-items:start;
  padding:44px 0 72px;
}
.article-main{max-width:760px;min-width:0;}

.article-head{
  padding-bottom:22px;
  border-bottom:1px solid var(--line);
}
.article-head h1{
  font-size:34px;
  line-height:1.3;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--text);
  margin-bottom:16px;
}
.article-meta{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;
  border-radius:var(--radius-pill);
  font-size:12px;font-weight:600;
  border:1px solid transparent;
  white-space:nowrap;
}
.pill-primary{color:#BFD3FF;background:rgba(46,107,255,.16);border-color:rgba(46,107,255,.42);}
.pill-accent{color:#9CF3E9;background:rgba(34,224,200,.14);border-color:rgba(34,224,200,.38);}
.pill-gold{color:#FFDB9C;background:rgba(255,194,75,.14);border-color:rgba(255,194,75,.4);}
.meta-dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);opacity:.5;}
.article-meta b{color:var(--text-2);font-weight:700;font-variant-numeric:tabular-nums;}

.notice-bar{
  display:flex;align-items:flex-start;gap:10px;
  margin:24px 0 0;
  padding:14px 16px;
  border-radius:12px;
  border:1px solid rgba(46,107,255,.3);
  background:rgba(46,107,255,.08);
  font-size:13.5px;
  color:var(--text-2);
  line-height:1.7;
}
.notice-bar i{color:var(--primary-light);margin-top:3px;font-size:14px;}

/* ---------- Article body ---------- */
.article-body{
  margin-top:30px;
  font-size:16px;
  line-height:1.9;
  color:#D6E0EF;
  word-break:break-word;
  overflow-wrap:break-word;
}
.article-body p{margin:0 0 18px;}
.article-body strong{color:#fff;font-weight:700;}
.article-body a{color:var(--primary-light);border-bottom:1px solid rgba(79,139,255,.4);transition:color .2s,border-color .2s;}
.article-body a:hover{color:var(--accent);border-color:var(--accent);}
.article-body h2{
  position:relative;
  margin:42px 0 16px;
  padding-left:14px;
  font-size:22px;
  line-height:1.45;
  font-weight:700;
  color:var(--text);
  letter-spacing:-.01em;
}
.article-body h2::before{
  content:"";
  position:absolute;left:0;top:6px;bottom:6px;width:3px;
  border-radius:2px;
  background:linear-gradient(180deg,var(--primary),var(--accent));
}
.article-body h3{
  margin:30px 0 12px;
  font-size:18px;
  font-weight:700;
  color:var(--text);
}
.article-body h4{
  margin:24px 0 10px;
  font-size:16px;
  font-weight:700;
  color:var(--text-2);
}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:4px;}
.article-body ul li{
  position:relative;
  padding-left:20px;
  margin-bottom:10px;
  list-style:none;
}
.article-body ul li::before{
  content:"";
  position:absolute;left:2px;top:.78em;
  width:6px;height:6px;border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 8px rgba(34,224,200,.6);
}
.article-body ol{counter-reset:num;padding-left:0;}
.article-body ol li{
  position:relative;
  padding-left:30px;
  margin-bottom:12px;
  list-style:none;
  counter-increment:num;
}
.article-body ol li::before{
  content:counter(num);
  position:absolute;left:0;top:.32em;
  width:20px;height:20px;border-radius:6px;
  display:grid;place-items:center;
  font-size:12px;font-weight:700;color:#BFD3FF;
  background:rgba(46,107,255,.18);
  border:1px solid rgba(46,107,255,.38);
}
.article-body blockquote{
  margin:24px 0;
  padding:16px 20px;
  border-left:3px solid var(--primary);
  border-radius:0 12px 12px 0;
  background:rgba(46,107,255,.08);
  color:var(--text-2);
  font-size:15px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  width:100%;
  height:auto;
  border-radius:12px;
  border:1px solid var(--line);
  margin:8px 0; 
}
.article-body figure{margin:24px 0;}
.article-body figcaption{
  margin-top:10px;
  font-size:13px;
  color:var(--text-3);
  text-align:center;
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:24px 0;
  font-size:14px;
  display:block;
  overflow-x:auto;
  border-radius:12px;
  border:1px solid var(--line);
}
.article-body thead th{
  background:rgba(46,107,255,.14);
  color:var(--text);
  font-weight:700;
  text-align:left;
}
.article-body th,.article-body td{
  padding:11px 14px;
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.article-body tbody tr:nth-child(even){background:rgba(255,255,255,.025);}
.article-body tbody tr:last-child td{border-bottom:0;}
.article-body hr{
  border:0;height:1px;background:var(--line);margin:32px 0;
}
.article-body code{
  padding:2px 6px;border-radius:6px;
  background:rgba(255,255,255,.06);
  color:#9CF3E9;font-size:14px;
}

/* ---------- Article footer ---------- */
.article-tags{
  display:flex;flex-wrap:wrap;gap:10px;
  margin-top:36px;
  padding-top:24px;
  border-top:1px solid var(--line);
}
.tag-chip{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;
  border-radius:var(--radius-pill);
  font-size:13px;color:var(--text-2);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  transition:color .2s,border-color .2s,background .2s;
}
.tag-chip:hover{color:var(--text);border-color:var(--primary);background:rgba(46,107,255,.1);}

.article-actions{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  margin-top:24px;
}

.next-read{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
  margin-top:32px;
}
.next-card{
  display:flex;flex-direction:column;gap:6px;
  padding:18px 20px;
  border-radius:var(--radius-card);
  background:var(--card);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  transition:transform .2s,border-color .2s,box-shadow .2s;
}
.next-card:hover{transform:translateY(-2px);border-color:rgba(46,107,255,.5);box-shadow:var(--shadow-lg);}
.next-card span{font-size:12px;color:var(--text-3);letter-spacing:.02em;}
.next-card strong{font-size:15px;color:var(--text);font-weight:700;}
.next-card i{color:var(--primary-light);font-size:12px;transition:transform .2s;}
.next-card:hover i{transform:translateX(4px);}

/* ---------- Empty state ---------- */
.empty-state{
  margin-top:30px;
  padding:56px 24px;
  text-align:center;
  border-radius:var(--radius-card);
  background:var(--card);
  border:1px dashed var(--line-strong);
}
.empty-state i{font-size:34px;color:var(--text-3);margin-bottom:16px;}
.empty-state h2{font-size:19px;color:var(--text);margin-bottom:10px;}
.empty-state p{font-size:14px;color:var(--text-2);margin-bottom:22px;}

/* ---------- Sidebar ---------- */
.article-side{
  position:sticky;
  top:88px;
  display:flex;
  flex-direction:column;
  gap:20px;
}
.side-card{
  padding:20px;
  border-radius:var(--radius-card);
  background:var(--card);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.side-card h3{
  display:flex;align-items:center;gap:8px;
  font-size:14px;font-weight:700;color:var(--text);
  padding-left:10px;
  position:relative;
  margin-bottom:14px;
}
.side-card h3::before{
  content:"";position:absolute;left:0;top:3px;bottom:3px;width:3px;border-radius:2px;
  background:linear-gradient(180deg,var(--primary),var(--accent));
}
.side-card h3 i{color:var(--primary-light);font-size:12px;}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  display:block;
  padding:7px 10px;
  border-radius:8px;
  font-size:13.5px;
  color:var(--text-2);
  border-left:2px solid transparent;
  transition:color .2s,background .2s,border-color .2s;
}
.toc-list a:hover{color:var(--text);background:rgba(46,107,255,.1);border-left-color:var(--primary);}
.toc-empty{font-size:13px;color:var(--text-3);line-height:1.7;}

.rel-list{display:flex;flex-direction:column;gap:14px;}
.rel-item{display:flex;gap:12px;align-items:flex-start;transition:transform .2s;}
.rel-item:hover{transform:translateX(3px);}
.rel-item img{
  width:72px;height:52px;flex-shrink:0;
  object-fit:cover;border-radius:9px;
  border:1px solid var(--line);
}
.rel-item div{min-width:0;}
.rel-item strong{
  display:block;
  font-size:13.5px;font-weight:600;color:var(--text);
  line-height:1.5;
  transition:color .2s;
}
.rel-item:hover strong{color:var(--primary-light);}
.rel-item span{font-size:12px;color:var(--text-3);}

.side-cta{
  padding:20px;
  border-radius:var(--radius-card);
  border:1px solid rgba(46,107,255,.32);
  background:
    linear-gradient(12deg,rgba(46,107,255,.22),rgba(34,224,200,.08) 65%,transparent),
    var(--card-2);
  box-shadow:var(--shadow);
}
.side-cta h3{
  font-size:15px;font-weight:700;color:var(--text);margin-bottom:8px;
}
.side-cta p{font-size:13px;color:var(--text-2);line-height:1.7;margin-bottom:14px;}
.side-cta .btn{width:100%;height:38px;font-size:13px;}

/* ---------- Footer ---------- */
.site-footer{
  position:relative;
  z-index:1;
  border-top:1px solid var(--line);
  background:var(--bg-soft);
  padding:56px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:36px;
}
.footer-brand p{
  margin-top:16px;
  font-size:13.5px;
  line-height:1.85;
  color:var(--text-3);
  max-width:330px;
}
.footer-col h4{
  font-size:14px;font-weight:700;color:var(--text);
  margin-bottom:16px;
}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul a{
  font-size:13.5px;color:var(--text-3);
  transition:color .2s;
}
.footer-col ul a:hover{color:var(--primary-light);}
.footer-col p{font-size:13px;line-height:1.9;color:var(--text-3);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  flex-wrap:wrap;
  margin-top:40px;
  padding-top:20px;
  border-top:1px solid var(--line);
  font-size:12.5px;
  color:var(--text-3);
}
.fb-links{display:flex;gap:18px;}
.fb-links a{color:var(--text-3);transition:color .2s;}
.fb-links a:hover{color:var(--primary-light);}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .article-layout{gap:32px;}
  .article-main{max-width:none;}
}
@media (max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .article-layout{grid-template-columns:1fr;padding-top:34px;}
  .article-side{position:static;top:auto;}
  .article-head h1{font-size:30px;}
}
@media (max-width:860px){
  .nav-search{display:none;}
  .search-toggle{display:inline-flex;}
  .nav-search.open{
    display:flex;
    position:absolute;
    left:0;right:0;top:64px;
    max-width:none;
    height:52px;
    margin:0;
    border-radius:0;
    border-left:0;border-right:0;border-top:1px solid var(--line);
    background:rgba(8,13,26,.99);
    padding:0 24px;
    z-index:90;
  }
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .channel-list{padding:0 18px;height:50px;}
  .nav-top{gap:12px;}
  .brand-text{font-size:15px;}
  .brand-mark{width:34px;height:34px;font-size:12px;border-radius:10px;}
  .nav-actions .btn-primary span{display:none;}
  .nav-actions .btn-primary{width:40px;padding:0;}
  .article-head h1{font-size:26px;}
  .article-body{font-size:15.5px;}
  .article-body h2{font-size:20px;}
  .article-body h3{font-size:17px;}
  .next-read{grid-template-columns:1fr;}
  .page-hero .container{padding-top:26px;padding-bottom:26px;}
  .crumb-current{max-width:200px;}
  .article-layout{padding-bottom:56px;}
}
@media (max-width:520px){
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .article-head h1{font-size:23px;}
  .article-meta{font-size:12.5px;gap:9px;}
  .article-body{font-size:15px;line-height:1.85;}
  .article-actions .btn{width:100%;}
  .article-body th,.article-body td{padding:9px 12px;font-size:13px;}
  .page-hero::after{display:none;}
  .next-read{margin-top:26px;}
}

/* roulang page: category1 */
:root{
  --bg:#060A14;
  --bg-2:#0B1220;
  --card:#101A2E;
  --card-2:#16233C;
  --line:rgba(120,160,255,.14);
  --line-strong:rgba(120,160,255,.30);
  --primary:#2E6BFF;
  --primary-light:#4F8BFF;
  --accent:#22E0C8;
  --gold:#FFC24B;
  --danger:#FF5C7A;
  --t1:#EAF0FA;
  --t2:#9FB0C9;
  --t3:#6B7C96;
  --radius-lg:16px;
  --radius-sm:10px;
  --shadow:0 8px 24px rgba(4,10,24,.45);
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:132px;}
body{
  margin:0;
  background:var(--bg);
  color:var(--t1);
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(120,160,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,160,255,.04) 1px,transparent 1px);
  background-size:32px 32px;
}
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(--accent);outline-offset:2px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(6,10,20,.94);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-top{
  display:flex;
  align-items:center;
  gap:20px;
  height:64px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:34px;
  height:34px;
  border-radius:9px;
  display:grid;
  place-items:center;
  font-size:13px;
  font-weight:800;
  letter-spacing:-.02em;
  color:#04101F;
  background:linear-gradient(135deg,var(--primary-light),var(--accent));
  box-shadow:0 6px 18px rgba(46,107,255,.35);
}
.brand-text{
  font-size:17px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--t1);
  white-space:nowrap;
}
.brand-text em{font-style:normal;}

.nav-search{
  flex:1 1 auto;
  max-width:420px;
  position:relative;
  display:flex;
  align-items:center;
  margin:0 auto;
}
.nav-search i{
  position:absolute;
  left:14px;
  font-size:13px;
  color:var(--t3);
  pointer-events:none;
}
.nav-search input{
  width:100%;
  height:40px;
  border-radius:var(--radius-sm);
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--t1);
  font-size:14px;
  padding:0 14px 0 38px;
  outline:none;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.nav-search input::placeholder{color:var(--t3);}
.nav-search input:hover{border-color:var(--line-strong);}
.nav-search input:focus{
  border-color:var(--primary);
  background:rgba(46,107,255,.08);
  box-shadow:0 0 0 3px rgba(34,224,200,.14);
}

.nav-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.icon-btn{
  width:40px;
  height:40px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:var(--radius-sm);
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--t2);
  cursor:pointer;
  transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease;
}
.icon-btn:hover{color:var(--t1);border-color:var(--line-strong);background:rgba(255,255,255,.07);}
.icon-btn:active{transform:scale(.96);}
.search-toggle{display:none;}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 20px;
  border-radius:var(--radius-sm);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease,opacity .2s ease;
  white-space:nowrap;
}
.btn i{font-size:13px;}
.btn-primary{
  color:#fff;
  background:linear-gradient(135deg,var(--primary),#1F4FD8);
  box-shadow:0 0 0 1px rgba(46,107,255,.5),0 8px 28px rgba(46,107,255,.35);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(79,139,255,.7),0 12px 34px rgba(46,107,255,.5);
}
.btn-primary:active{
  transform:translateY(0);
  box-shadow:inset 0 2px 8px rgba(2,8,20,.55);
}
.btn-ghost{
  background:transparent;
  border-color:var(--line-strong);
  color:var(--t1);
}
.btn-ghost:hover{
  border-color:var(--primary);
  color:#fff;
  background:rgba(46,107,255,.10);
  transform:translateY(-2px);
}
.btn-ghost:active{transform:translateY(0);}
.btn:disabled,.btn[disabled]{opacity:.4;filter:saturate(.4);box-shadow:none;cursor:not-allowed;transform:none;}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}

.btn-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--primary-light);
  transition:color .2s ease;
}
.btn-link i{transition:transform .2s ease;}
.btn-link:hover{color:var(--accent);}
.btn-link:hover i{transform:translateX(4px);}

.channel-row{
  border-top:1px solid var(--line);
  background:rgba(11,18,32,.72);
}
.channel-list{
  max-width:var(--container);
  margin:0 auto;
  padding:8px 24px;
  display:flex;
  align-items:center;
  gap:8px;
  overflow-x:auto;
  scrollbar-width:none;
}
.channel-list::-webkit-scrollbar{display:none;}
.channel-link{
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:36px;
  padding:0 15px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:14px;
  color:var(--t3);
  white-space:nowrap;
  transition:color .2s ease,background .2s ease,border-color .2s ease;
}
.channel-link i{font-size:12px;}
.channel-link:hover{color:var(--t2);background:rgba(255,255,255,.05);}
.channel-link.active{
  color:#D6E4FF;
  background:rgba(46,107,255,.12);
  border-color:rgba(46,107,255,.55);
}

/* ---------- Page hero ---------- */
.page-hero{
  position:relative;
  padding:56px 0 52px;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(900px 420px at 18% 0%,rgba(46,107,255,.30),transparent 62%),rgba(6,10,20,.80);
}
.page-hero::after{
  content:"";
  position:absolute;
  left:-12%;
  right:-12%;
  top:0;
  height:100%;
  background:linear-gradient(102deg,rgba(46,107,255,.16) 0%,transparent 42%,rgba(34,224,200,.10) 72%,transparent 100%);
  transform:skewY(-12deg);
  transform-origin:top left;
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}

.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--t3);
  margin-bottom:18px;
  flex-wrap:wrap;
}
.breadcrumb a{color:var(--t3);transition:color .2s ease;}
.breadcrumb a:hover{color:var(--primary-light);}
.breadcrumb i{font-size:10px;opacity:.7;}
.breadcrumb span{color:var(--t2);}

.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:30px;
  padding:0 14px;
  border-radius:999px;
  font-size:13px;
  color:var(--accent);
  background:rgba(34,224,200,.10);
  border:1px solid rgba(34,224,200,.35);
  margin-bottom:18px;
}
.page-hero h1{
  font-size:38px;
  line-height:1.25;
  font-weight:800;
  letter-spacing:-.01em;
  max-width:860px;
}
.hero-lead{
  margin-top:16px;
  font-size:16px;
  color:var(--t2);
  max-width:720px;
}
.hero-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:24px;
}
.pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:28px;
  padding:0 12px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:600;
  border:1px solid var(--line);
  color:var(--t2);
  background:rgba(255,255,255,.03);
}
.pill-primary{color:#BFD4FF;border-color:rgba(46,107,255,.5);background:rgba(46,107,255,.14);}
.pill-accent{color:#8FF3E6;border-color:rgba(34,224,200,.42);background:rgba(34,224,200,.10);}
.pill-gold{color:#FFD995;border-color:rgba(255,194,75,.42);background:rgba(255,194,75,.10);}

/* ---------- Sections ---------- */
main{position:relative;z-index:1;}
.section{padding:72px 0;}
.section-alt{background:linear-gradient(180deg,rgba(11,18,32,.9),rgba(6,10,20,0));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
  flex-wrap:wrap;
}
.sec-head-main{max-width:760px;}
.sec-title{
  position:relative;
  padding-left:16px;
  font-size:26px;
  font-weight:800;
  letter-spacing:-.01em;
  line-height:1.3;
}
.sec-title::before{
  content:"";
  position:absolute;
  left:0;
  top:5px;
  bottom:5px;
  width:3px;
  border-radius:2px;
  background:linear-gradient(180deg,var(--primary),var(--accent));
}
.sec-desc{
  margin-top:12px;
  padding-left:16px;
  font-size:15px;
  color:var(--t2);
}
.num{font-variant-numeric:tabular-nums;}

/* ---------- Steps + entry card ---------- */
.steps-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 360px;
  gap:32px;
  align-items:start;
}
.steps{
  position:relative;
  display:flex;
  flex-direction:column;
  gap:18px;
}
.step-item{
  position:relative;
  display:grid;
  grid-template-columns:74px minmax(0,1fr);
  gap:8px;
  padding:26px 26px 26px 22px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.step-item::before{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.14),transparent);
}
.step-item:hover{
  transform:translateY(-2px);
  border-color:rgba(46,107,255,.40);
  box-shadow:0 12px 32px rgba(4,10,24,.6);
}
.step-num{
  font-size:32px;
  font-weight:800;
  line-height:1.1;
  color:rgba(79,139,255,.55);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
}
.step-body h3{
  font-size:19px;
  font-weight:700;
  margin-bottom:8px;
}
.step-body p{
  font-size:15px;
  color:var(--t2);
}
.check-list{margin-top:14px;display:grid;gap:8px;}
.check-list li{
  position:relative;
  padding-left:24px;
  font-size:14.5px;
  color:var(--t2);
}
.check-list li::before{
  content:"\f00c";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  position:absolute;
  left:0;
  top:3px;
  font-size:11px;
  color:var(--accent);
}

.entry-card{
  position:sticky;
  top:132px;
  padding:24px;
  border-radius:var(--radius-lg);
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.16);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:0 16px 44px rgba(4,10,24,.55);
}
.entry-card h3{
  font-size:17px;
  font-weight:700;
  margin-bottom:4px;
}
.entry-sub{
  font-size:13px;
  color:var(--t2);
  margin-bottom:16px;
}
.entry-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:11px 0;
  border-bottom:1px dashed var(--line);
  font-size:14px;
}
.entry-row:last-of-type{border-bottom:0;}
.entry-row .k{color:var(--t3);}
.entry-row .v{color:var(--t1);font-weight:600;display:inline-flex;align-items:center;gap:8px;}
.dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 4px rgba(34,224,200,.16);
}
.entry-actions{
  display:grid;
  gap:10px;
  margin-top:18px;
}
.entry-note{
  margin-top:14px;
  font-size:12.5px;
  line-height:1.7;
  color:var(--t3);
  padding-top:14px;
  border-top:1px solid var(--line);
}

/* ---------- Prepare block ---------- */
.prepare-grid{
  display:grid;
  grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);
  gap:40px;
  align-items:center;
}
.figure-wrap{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  background:var(--card);
}
.figure-wrap img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  transition:transform .5s ease;
}
.figure-wrap:hover img{transform:scale(1.03);}
.figure-wrap::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(6,10,20,.10),rgba(6,10,20,.72));
  pointer-events:none;
}
.figure-cap{
  position:absolute;
  left:18px;
  right:18px;
  bottom:16px;
  z-index:2;
  font-size:13px;
  color:var(--t2);
}
.prepare-list{display:grid;gap:14px;}
.prepare-item{
  display:grid;
  grid-template-columns:44px minmax(0,1fr);
  gap:14px;
  padding:18px 20px;
  background:var(--card-2);
  border:1px solid var(--line);
  border-radius:14px;
  transition:border-color .22s ease,transform .22s ease;
}
.prepare-item:hover{transform:translateY(-2px);border-color:rgba(46,107,255,.4);}
.prepare-icon{
  width:44px;height:44px;
  display:grid;place-items:center;
  border-radius:12px;
  background:rgba(46,107,255,.14);
  border:1px solid rgba(46,107,255,.32);
  color:var(--primary-light);
  font-size:16px;
}
.prepare-item h3{font-size:16px;font-weight:700;margin-bottom:4px;}
.prepare-item p{font-size:14.5px;color:var(--t2);}

/* ---------- Issue list ---------- */
.issue-list{
  display:grid;
  gap:0;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  background:var(--card);
  box-shadow:var(--shadow);
}
.issue-item{
  display:grid;
  grid-template-columns:52px minmax(0,1fr) auto;
  gap:16px;
  align-items:center;
  padding:22px 24px;
  border-bottom:1px solid var(--line);
  transition:background .22s ease;
}
.issue-item:last-child{border-bottom:0;}
.issue-item:hover{background:rgba(46,107,255,.06);}
.issue-idx{
  font-size:13px;
  font-weight:700;
  color:var(--primary-light);
  font-variant-numeric:tabular-nums;
  letter-spacing:.04em;
}
.issue-item h3{font-size:16px;font-weight:700;margin-bottom:4px;}
.issue-item p{font-size:14.5px;color:var(--t2);}
.issue-tag{
  font-size:12.5px;
  color:var(--t2);
  border:1px solid var(--line);
  border-radius:999px;
  padding:4px 12px;
  white-space:nowrap;
}
.issue-tag.warn{color:#FFB4C4;border-color:rgba(255,92,122,.42);background:rgba(255,92,122,.08);}
.issue-tag.ok{color:#8FF3E6;border-color:rgba(34,224,200,.42);background:rgba(34,224,200,.08);}

/* ---------- FAQ ---------- */
.faq-list{
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  background:var(--card);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-q{
  position:relative;
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 24px 20px 34px;
  background:none;
  border:0;
  color:var(--t1);
  font-size:16px;
  font-weight:600;
  line-height:1.6;
  text-align:left;
  cursor:pointer;
  transition:color .2s ease,background .2s ease;
}
.faq-q::before{
  content:"";
  position:absolute;
  left:20px;
  top:50%;
  transform:translateY(-50%);
  width:3px;
  height:0;
  border-radius:2px;
  background:var(--accent);
  transition:height .25s ease;
}
.faq-q:hover{background:rgba(46,107,255,.06);color:#fff;}
.faq-q i{
  flex-shrink:0;
  font-size:13px;
  color:var(--t3);
  transition:transform .25s ease,color .25s ease;
}
.faq-item.open .faq-q::before{height:18px;}
.faq-item.open .faq-q i{transform:rotate(180deg);color:var(--accent);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease,padding .3s ease,opacity .3s ease;
  opacity:0;
}
.faq-a-inner{
  padding:0 24px 20px 34px;
  font-size:14.5px;
  line-height:1.85;
  color:var(--t2);
}
.faq-item.open .faq-a{max-height:420px;opacity:1;}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  border-top:1px solid rgba(46,107,255,.32);
  border-bottom:1px solid rgba(46,107,255,.32);
  background:linear-gradient(115deg,#0A1430 0%,#0D1B3C 46%,#0B2A3A 100%);
}
.cta-band::before{
  content:"";
  position:absolute;
  left:-10%;right:-10%;top:0;bottom:0;
  background:repeating-linear-gradient(102deg,rgba(46,107,255,.14) 0 2px,transparent 2px 26px);
  transform:skewY(-12deg);
  pointer-events:none;
}
.cta-inner{
  position:relative;
  z-index:2;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  padding:44px 0;
  flex-wrap:wrap;
}
.cta-inner h2{font-size:24px;font-weight:800;letter-spacing:-.01em;}
.cta-inner p{margin-top:10px;color:var(--t2);font-size:15px;max-width:560px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- Footer ---------- */
.site-footer{
  position:relative;
  z-index:1;
  background:var(--bg-2);
  border-top:1px solid var(--line);
  padding:56px 0 26px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:36px;
  border-bottom:1px solid var(--line);
}
.footer-brand p{
  margin-top:14px;
  font-size:14px;
  color:var(--t2);
  line-height:1.8;
  max-width:340px;
}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  margin-bottom:14px;
  color:var(--t1);
}
.footer-col ul{display:grid;gap:10px;}
.footer-col ul a{
  font-size:14px;
  color:var(--t2);
  transition:color .2s ease,padding-left .2s ease;
}
.footer-col ul a:hover{color:var(--primary-light);padding-left:4px;}
.footer-col p{font-size:13.5px;color:var(--t3);line-height:1.85;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding-top:22px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--t3);
}
.fb-links{display:flex;gap:18px;}
.fb-links a{color:var(--t3);transition:color .2s ease;}
.fb-links a:hover{color:var(--t2);}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .page-hero h1{font-size:34px;}
  .steps-layout{grid-template-columns:minmax(0,1fr) 320px;gap:24px;}
}
@media (max-width:1023px){
  .nav-search{max-width:300px;}
  .page-hero{padding:44px 0 40px;}
  .steps-layout{grid-template-columns:1fr;}
  .entry-card{position:static;order:-1;}
  .prepare-grid{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .section{padding:56px 0;}
  .issue-item{grid-template-columns:44px minmax(0,1fr);}
  .issue-tag{grid-column:2;justify-self:start;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .nav-search{display:none;}
  .nav-search.open{
    display:flex;
    position:absolute;
    left:18px;
    right:18px;
    top:70px;
    z-index:120;
    max-width:none;
    background:var(--bg-2);
    padding:10px;
    border-radius:12px;
    border:1px solid var(--line);
    box-shadow:0 16px 40px rgba(4,10,24,.7);
  }
  .search-toggle{display:inline-flex;}
  .nav-actions .btn span{display:none;}
  .nav-actions .btn{width:44px;padding:0;justify-content:center;}
  .page-hero h1{font-size:26px;}
  .hero-lead{font-size:15px;}
  .sec-title{font-size:22px;}
  .step-item{grid-template-columns:52px minmax(0,1fr);padding:20px 18px;}
  .step-num{font-size:26px;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:36px 0;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .faq-q{font-size:15px;padding:18px 18px 18px 30px;}
  .faq-q::before{left:16px;}
  .faq-a-inner{padding:0 18px 18px 30px;}
  .section{padding:48px 0;}
}
@media (max-width:479px){
  body{font-size:15px;}
  .brand-text{font-size:15px;}
  .page-hero h1{font-size:23px;}
  .pill{font-size:12px;}
  .issue-item{padding:18px 16px;}
  .entry-card{padding:18px;}
  .prepare-item{grid-template-columns:38px minmax(0,1fr);padding:16px;}
  .prepare-icon{width:38px;height:38px;font-size:14px;}
}

/* roulang page: category2 */
:root{
  --bg:#060A14;
  --bg-soft:#0B1220;
  --card:#101A2E;
  --card-2:#16233C;
  --line:rgba(120,160,255,.14);
  --line-strong:rgba(120,160,255,.28);
  --primary:#2E6BFF;
  --primary-light:#4F8BFF;
  --accent:#22E0C8;
  --gold:#FFC24B;
  --warn:#FF5C7A;
  --t1:#EAF0FA;
  --t2:#9FB0C9;
  --t3:#6B7C96;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 8px 24px rgba(4,10,24,.45);
  --shadow-lg:0 20px 48px rgba(4,10,24,.58);
  --max:1200px;
  --ease:cubic-bezier(.4,.2,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:132px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--t1);
  background-color:var(--bg);
  background-image:
    linear-gradient(rgba(120,160,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,160,255,.04) 1px,transparent 1px);
  background-size:32px 32px;
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
h1,h2,h3,h4{font-weight:800;line-height:1.25;letter-spacing:-.01em}
::selection{background:rgba(46,107,255,.35);color:#fff}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ============ 容器 ============ */
.container{width:min(var(--max),100% - 48px);margin-inline:auto}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:700;white-space:nowrap;
  transition:transform .18s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn i{font-size:14px}
.btn-primary{
  color:#fff;
  background:linear-gradient(135deg,#2E6BFF 0%,#4F8BFF 100%);
  box-shadow:0 0 0 1px rgba(46,107,255,.5),0 8px 28px rgba(46,107,255,.35);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(79,139,255,.7),0 14px 36px rgba(46,107,255,.48)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 8px rgba(0,0,0,.35),0 0 0 1px rgba(46,107,255,.4)}
.btn-primary:disabled,.btn-primary[disabled]{background:#2E6BFF;opacity:.4;box-shadow:none;cursor:not-allowed;transform:none}
.btn-ghost{
  color:var(--t1);background:transparent;border:1px solid var(--line-strong);
}
.btn-ghost:hover{border-color:var(--primary-light);color:#fff;background:rgba(46,107,255,.1);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0);background:rgba(46,107,255,.16)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.text-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--primary-light);
  font-weight:700;font-size:14px;transition:color .2s var(--ease);
}
.text-link i{transition:transform .2s var(--ease)}
.text-link:hover{color:#fff}
.text-link:hover i{transform:translateX(4px)}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:200;
  background:rgba(6,10,20,.9);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-top{display:flex;align-items:center;gap:22px;height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:11px;
  font-size:14px;font-weight:800;letter-spacing:-.03em;color:#fff;
  background:linear-gradient(135deg,#2E6BFF,#22E0C8);
  box-shadow:0 6px 18px rgba(46,107,255,.42);
}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.02em;color:var(--t1);white-space:nowrap}
.brand-text em{font-style:normal;color:var(--primary-light)}

.nav-search{
  flex:1;max-width:420px;position:relative;display:flex;align-items:center;
  height:40px;padding:0 14px;gap:9px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);border-radius:var(--radius-sm);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
}
.nav-search i{color:var(--t3);font-size:14px}
.nav-search input{
  flex:1;height:100%;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--t1);
}
.nav-search input::placeholder{color:var(--t3)}
.nav-search:focus-within{
  border-color:var(--primary);
  background:rgba(46,107,255,.08);
  box-shadow:0 0 0 3px rgba(34,224,200,.16);
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:var(--radius-sm);
  color:var(--t2);border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease),transform .18s var(--ease);
}
.icon-btn:hover{color:#fff;border-color:var(--primary-light);background:rgba(46,107,255,.12);transform:translateY(-1px)}
.icon-btn:active{transform:translateY(0)}
.search-toggle{display:none}

.channel-row{
  border-top:1px solid rgba(120,160,255,.08);
  background:rgba(11,18,32,.72);
  overflow-x:auto;overflow-y:hidden;
  scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
}
.channel-row::-webkit-scrollbar{display:none}
.channel-list{
  display:flex;align-items:center;gap:10px;
  width:min(var(--max),100% - 48px);margin-inline:auto;
  height:52px;padding:0;white-space:nowrap;
}
.channel-link{
  display:inline-flex;align-items:center;gap:7px;
  height:34px;padding:0 15px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--t3);
  border:1px solid transparent;background:transparent;
  transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.channel-link i{font-size:13px}
.channel-link:hover{color:var(--t2);background:rgba(255,255,255,.05)}
.channel-link.active{
  color:#fff;background:rgba(46,107,255,.12);
  border-color:rgba(46,107,255,.55);
  box-shadow:0 0 18px rgba(46,107,255,.18);
}
.channel-link.active i{color:var(--accent)}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--t3);padding-top:26px;
}
.breadcrumb a{color:var(--t2);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--primary-light)}
.breadcrumb i{font-size:10px;color:var(--t3)}
.breadcrumb span{color:var(--t1)}

/* ============ Hero ============ */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.42;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(115deg,rgba(6,10,20,.96) 0%,rgba(6,10,20,.82) 48%,rgba(6,10,20,.62) 100%),
    linear-gradient(12deg,rgba(46,107,255,.14) 0%,transparent 42%);
}
.page-hero .container{position:relative;z-index:2;padding-bottom:56px}
.hero-inner{
  display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.85fr);
  gap:48px;align-items:center;padding-top:36px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;margin-bottom:18px;
  border-radius:999px;font-size:13px;font-weight:700;letter-spacing:.02em;
  color:var(--accent);
  background:rgba(34,224,200,.1);
  border:1px solid rgba(34,224,200,.32);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent)}
.hero-copy h1{
  font-size:clamp(28px,3.6vw,44px);
  line-height:1.2;letter-spacing:-.02em;margin-bottom:16px;
  background:linear-gradient(180deg,#FFFFFF 30%,#BFD3F5 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:17px;color:var(--t2);max-width:560px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}

.hero-card{
  border-radius:18px;padding:24px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  box-shadow:0 18px 42px rgba(4,10,24,.5),inset 0 1px 0 rgba(255,255,255,.16);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
}
.hero-card h2{
  font-size:15px;font-weight:700;color:var(--t2);letter-spacing:.04em;
  display:flex;align-items:center;gap:8px;margin-bottom:16px;
}
.hero-card h2 i{color:var(--accent);font-size:14px}
.hero-card dl{margin:0;display:grid;gap:12px}
.hero-card .hc-row{
  display:flex;align-items:baseline;justify-content:space-between;gap:14px;
  padding-bottom:12px;border-bottom:1px dashed rgba(120,160,255,.18);
}
.hero-card .hc-row:last-child{border-bottom:0;padding-bottom:0}
.hero-card dt{font-size:13.5px;color:var(--t3);flex:none}
.hero-card dd{margin:0;font-size:15px;font-weight:700;color:var(--t1);text-align:right;font-variant-numeric:tabular-nums}
.hero-card dd.hl{color:var(--gold);font-size:17px}

/* ============ 板块通用 ============ */
.section{padding:72px 0}
.section.alt{background:linear-gradient(180deg,rgba(11,18,32,.85),rgba(6,10,20,0));border-block:1px solid var(--line)}
.section-head{margin-bottom:32px}
.section-head .tagline{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--primary-light);margin-bottom:10px;
}
.section-head h2{
  position:relative;padding-left:16px;font-size:clamp(22px,2.4vw,28px);
  margin-bottom:10px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:3px;border-radius:2px;
  background:linear-gradient(180deg,var(--primary-light),var(--accent));
}
.section-head p{color:var(--t2);font-size:15px;max-width:760px}

/* ============ 筛选行 ============ */
.filter-bar{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  margin-bottom:28px;
}
.filter-pill{
  height:36px;padding:0 16px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--t2);
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),transform .18s var(--ease);
}
.filter-pill:hover{color:#fff;border-color:var(--primary-light);background:rgba(46,107,255,.1);transform:translateY(-1px)}
.filter-pill.is-active{
  color:#fff;background:rgba(46,107,255,.18);
  border-color:rgba(46,107,255,.65);
  box-shadow:0 0 16px rgba(46,107,255,.24);
}

/* ============ 玩法大卡 2 列 ============ */
.play-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.play-card{
  position:relative;display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.play-card:hover{transform:translateY(-2px);border-color:rgba(46,107,255,.4);box-shadow:var(--shadow-lg),inset 0 1px 0 rgba(255,255,255,.1)}
.play-card.is-hidden{display:none}
.play-thumb{position:relative;width:100%;aspect-ratio:17/9;overflow:hidden;background:var(--card-2)}
.play-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.play-card:hover .play-thumb img{transform:scale(1.04)}
.play-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,10,20,.1) 0%,rgba(6,10,20,.72) 100%);
}
.play-badge{
  position:absolute;right:14px;bottom:14px;z-index:2;
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:999px;
  font-size:12.5px;font-weight:700;
  color:#06121A;background:var(--accent);
  box-shadow:0 6px 16px rgba(34,224,200,.3);
}
.play-badge.gold{background:var(--gold);color:#2A1B00;box-shadow:0 6px 16px rgba(255,194,75,.3)}
.play-badge.blue{background:var(--primary-light);color:#fff;box-shadow:0 6px 16px rgba(79,139,255,.32)}
.play-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.play-body h3{font-size:19px}
.play-body p{font-size:14.5px;color:var(--t2);line-height:1.7}
.play-meta{
  display:flex;flex-wrap:wrap;gap:8px 18px;
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  font-size:13px;color:var(--t3);
}
.play-meta span{display:inline-flex;align-items:center;gap:6px}
.play-meta i{color:var(--primary-light);font-size:12px}
.play-meta b{color:var(--t1);font-variant-numeric:tabular-nums}

.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:10px;
  padding:56px 24px;text-align:center;
  border:1px dashed var(--line-strong);border-radius:var(--radius);
  background:rgba(16,26,46,.5);color:var(--t3);
}
.empty-state i{font-size:26px;color:var(--primary-light);opacity:.7}
.empty-state p{font-size:14px}

/* ============ 规则有序列表 ============ */
.rule-list{display:grid;gap:14px;counter-reset:rule}
.rule-item{
  display:grid;grid-template-columns:44px minmax(0,1fr);gap:18px;
  padding:22px 24px;border-radius:var(--radius);
  background:var(--card);border:1px solid var(--line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
  transition:border-color .22s var(--ease),transform .22s var(--ease);
}
.rule-item:hover{border-color:rgba(46,107,255,.38);transform:translateY(-2px)}
.rule-item::before{
  counter-increment:rule;content:counter(rule,decimal-leading-zero);
  display:flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;
  font-size:15px;font-weight:800;font-variant-numeric:tabular-nums;
  color:var(--primary-light);
  background:rgba(46,107,255,.12);
  border:1px solid rgba(46,107,255,.3);
}
.rule-item h3{font-size:16.5px;margin-bottom:6px}
.rule-item p{font-size:14.5px;color:var(--t2)}

/* ============ 流程时间轴 ============ */
.timeline{position:relative;padding-left:34px;display:grid;gap:26px}
.timeline::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,rgba(46,107,255,.7),rgba(34,224,200,.45),rgba(120,160,255,.08));
}
.tl-node{position:relative}
.tl-node::before{
  content:"";position:absolute;left:-33px;top:6px;
  width:12px;height:12px;border-radius:50%;
  background:var(--bg);border:2px solid var(--primary-light);
  box-shadow:0 0 0 4px rgba(46,107,255,.14);
}
.tl-node.done::before{background:var(--accent);border-color:var(--accent);box-shadow:0 0 0 4px rgba(34,224,200,.16)}
.tl-node h3{font-size:16.5px;margin-bottom:6px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.tl-node h3 .step-no{
  font-size:12px;font-weight:700;color:var(--primary-light);
  padding:2px 9px;border-radius:999px;background:rgba(46,107,255,.12);
  border:1px solid rgba(46,107,255,.28);
}
.tl-node p{font-size:14.5px;color:var(--t2);max-width:760px}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:0;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line);position:relative}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  width:100%;padding:22px 4px 22px 18px;text-align:left;
  font-size:16px;font-weight:700;color:var(--t1);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--primary-light)}
.faq-q .arw{
  flex:none;display:inline-flex;align-items:center;justify-content:center;
  width:28px;height:28px;border-radius:50%;
  border:1px solid var(--line);color:var(--t2);font-size:12px;
  transition:transform .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.faq-item.open .faq-q .arw{transform:rotate(180deg);color:var(--accent);border-color:rgba(34,224,200,.5);background:rgba(34,224,200,.1)}
.faq-item.open .faq-q{color:#fff}
.faq-item::before{
  content:"";position:absolute;left:0;top:20px;bottom:20px;width:3px;border-radius:2px;
  background:var(--accent);opacity:0;transition:opacity .25s var(--ease);
}
.faq-item.open::before{opacity:1}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s var(--ease);
}
.faq-a p{padding:0 52px 22px 18px;font-size:14.5px;color:var(--t2);line-height:1.8}

/* ============ CTA 色带 ============ */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:20px;border:1px solid rgba(46,107,255,.4);
  background:linear-gradient(120deg,#0D1830 0%,#122A57 52%,#0D1830 100%);
  box-shadow:0 22px 56px rgba(4,10,24,.55);
}
.cta-band::before{
  content:"";position:absolute;inset:-40% -10%;
  background:linear-gradient(102deg,transparent 38%,rgba(46,107,255,.30) 50%,rgba(34,224,200,.16) 58%,transparent 70%);
  transform:rotate(-12deg);
  pointer-events:none;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 1px,transparent 1px 22px);
  opacity:.5;pointer-events:none;
}
.cta-inner{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:40px 44px;flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(20px,2.2vw,26px);margin-bottom:8px}
.cta-inner p{font-size:14.5px;color:var(--t2);max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:80px;border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(11,18,32,.6),rgba(6,10,20,1));
  padding-top:56px;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:40px;
  padding-bottom:44px;
}
.footer-brand p{font-size:14px;color:var(--t3);margin-top:16px;max-width:320px;line-height:1.8}
.footer-col h4{font-size:14px;font-weight:800;color:var(--t1);margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:var(--t3);transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--primary-light)}
.footer-col p{font-size:13.5px;color:var(--t3);line-height:1.8}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  padding:20px 0 28px;border-top:1px solid var(--line);
  font-size:13px;color:var(--t3);
}
.fb-links{display:flex;gap:20px}
.fb-links a{color:var(--t3);transition:color .2s var(--ease)}
.fb-links a:hover{color:var(--primary-light)}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .hero-inner{gap:32px}
}
@media (max-width:1023px){
  .container{width:min(var(--max),100% - 40px)}
  .channel-list{width:min(var(--max),100% - 40px)}
  .nav-search{max-width:280px}
  .hero-inner{grid-template-columns:1fr;gap:32px}
  .hero-card{max-width:520px}
  .play-grid{grid-template-columns:1fr}
  .section{padding:56px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-inner{padding:32px 28px}
}
@media (max-width:767px){
  html{scroll-padding-top:112px}
  .container{width:calc(100% - 32px)}
  .channel-list{width:calc(100% - 32px);gap:8px}
  .nav-top{gap:12px;height:60px}
  .nav-search{display:none}
  .nav-search.open{
    display:flex;position:absolute;left:16px;right:16px;top:70px;
    max-width:none;height:44px;z-index:60;
    background:#0E1930;box-shadow:0 18px 40px rgba(0,0,0,.6);
  }
  .search-toggle{display:inline-flex}
  .nav-actions .btn-primary span{display:none}
  .nav-actions .btn-primary{padding:0 14px;width:44px}
  .nav-actions .btn-primary i{font-size:15px}
  .hero-copy h1{font-size:26px}
  .hero-sub{font-size:15.5px}
  .page-hero .container{padding-bottom:40px}
  .hero-actions .btn{flex:1 1 auto;min-width:150px}
  .play-body{padding:18px}
  .rule-item{grid-template-columns:36px minmax(0,1fr);gap:14px;padding:18px}
  .rule-item::before{width:36px;height:36px;font-size:13px;border-radius:10px}
  .timeline{padding-left:28px}
  .tl-node::before{left:-27px}
  .faq-q{font-size:15px;padding:18px 4px 18px 14px}
  .faq-a p{padding:0 22px 18px 14px}
  .cta-inner{padding:26px 22px;flex-direction:column;align-items:flex-start;gap:20px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
  .site-footer{margin-top:56px;padding-top:40px}
}
@media (max-width:519px){
  body{font-size:15px}
  .brand-text{font-size:16px}
  .brand-mark{width:34px;height:34px;font-size:13px;border-radius:10px}
  .hero-card{padding:18px}
  .hero-card .hc-row{flex-direction:column;align-items:flex-start;gap:4px}
  .hero-card dd{text-align:left}
  .section-head h2{font-size:21px}
  .play-meta{gap:6px 14px}
  .filter-pill{height:34px;padding:0 13px;font-size:13px}
  .hero-actions{width:100%}
  .hero-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category3 */
:root{
  --bg:#060A14;
  --bg-2:#0B1220;
  --card:#101A2E;
  --card-2:#16233C;
  --line:rgba(120,160,255,.14);
  --line-strong:rgba(120,160,255,.28);
  --primary:#2E6BFF;
  --primary-light:#4F8BFF;
  --cyan:#22E0C8;
  --gold:#FFC24B;
  --danger:#FF5C7A;
  --text-1:#EAF0FA;
  --text-2:#9FB0C9;
  --text-3:#6B7C96;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow-card:0 8px 24px rgba(4,10,24,.45);
  --shadow-primary:0 0 0 1px rgba(46,107,255,.5), 0 8px 28px rgba(46,107,255,.35);
  --container:1200px;
  --font: "PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-padding-top:130px;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text-1);
  background:var(--bg);
  min-height:100vh;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:linear-gradient(rgba(120,160,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(120,160,255,.05) 1px,transparent 1px);
  background-size:32px 32px;
  opacity:.6;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
button,input,textarea,select{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.25;}
p{margin:0;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;position:relative;z-index:1;}
.num{font-variant-numeric:tabular-nums;font-weight:800;letter-spacing:-.02em;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(6,10,20,.92);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-top{
  display:flex;
  align-items:center;
  gap:20px;
  height:64px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  color:#fff;font-size:14px;font-weight:800;letter-spacing:-.04em;
  box-shadow:0 6px 18px rgba(46,107,255,.38);
}
.brand-text{font-size:17px;font-weight:800;color:var(--text-1);letter-spacing:-.01em;white-space:nowrap;}
.brand-text em{font-style:normal;color:var(--cyan);margin-left:2px;}
.nav-search{
  flex:1 1 auto;
  max-width:420px;
  display:flex;align-items:center;gap:10px;
  height:40px;padding:0 14px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  color:var(--text-3);
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.nav-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(46,107,255,.18);background:var(--card-2);}
.nav-search input{
  flex:1;height:100%;border:0;background:transparent;color:var(--text-1);
  font-size:14px;outline:none;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--radius-btn);border:1px solid var(--line);
  color:var(--text-2);background:transparent;font-size:15px;
  transition:color .2s,border-color .2s,background-color .2s,transform .2s;
}
.icon-btn:hover{color:var(--text-1);border-color:var(--line-strong);background:rgba(120,160,255,.08);}
.icon-btn:active{transform:translateY(1px);}
.search-toggle{display:none;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:transform .2s,box-shadow .25s,background-color .2s,color .2s,border-color .2s;
  white-space:nowrap;
}
.btn-primary{
  color:#fff;
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  box-shadow:var(--shadow-primary);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(79,139,255,.7),0 14px 34px rgba(46,107,255,.45);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 8px rgba(4,10,24,.5);}
.btn-ghost{
  color:var(--text-2);background:transparent;border:1px solid var(--line);
}
.btn-ghost:hover{color:var(--text-1);border-color:rgba(46,107,255,.55);background:rgba(46,107,255,.08);}
.btn-ghost:active{transform:translateY(1px);}
.btn[disabled],.btn.is-disabled{opacity:.4;filter:saturate(.4);box-shadow:none;pointer-events:none;}
.nav-actions .btn{height:40px;font-size:14px;padding:0 16px;}
.channel-row{
  border-top:1px solid var(--line);
  background:rgba(11,18,32,.85);
}
.channel-list{
  display:flex;align-items:center;gap:8px;
  max-width:var(--container);margin:0 auto;padding:8px 24px;
  overflow-x:auto;scrollbar-width:none;
  -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 18px,#000 calc(100% - 18px),transparent 100%);
  mask-image:linear-gradient(90deg,transparent 0,#000 18px,#000 calc(100% - 18px),transparent 100%);
}
.channel-list::-webkit-scrollbar{display:none;}
.channel-link{
  display:inline-flex;align-items:center;gap:7px;
  height:34px;padding:0 15px;border-radius:var(--radius-pill);
  font-size:14px;font-weight:600;color:var(--text-3);
  border:1px solid transparent;white-space:nowrap;
  transition:color .2s,background-color .2s,border-color .2s;
}
.channel-link i{font-size:12px;}
.channel-link:hover{color:var(--text-2);background:rgba(120,160,255,.06);}
.channel-link.active{
  color:var(--text-1);
  background:rgba(46,107,255,.12);
  border-color:rgba(46,107,255,.55);
}

/* ============ 首屏 ============ */
.page-hero{
  position:relative;
  padding:52px 0 64px;
  background-image:linear-gradient(rgba(6,10,20,.78),rgba(6,10,20,.94)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;right:-10%;top:-30%;
  width:60%;height:160%;
  background:linear-gradient(12deg,rgba(46,107,255,.22),rgba(34,224,200,.06) 60%,transparent 75%);
  transform:skewX(-12deg);
  pointer-events:none;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px;}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--cyan);}
.breadcrumb i{font-size:9px;opacity:.7;}
.breadcrumb .current{color:var(--text-1);}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:40px;align-items:start;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 14px;border-radius:var(--radius-pill);
  font-size:13px;font-weight:600;color:var(--cyan);
  background:rgba(34,224,200,.1);border:1px solid rgba(34,224,200,.32);
  margin-bottom:18px;
}
.page-hero h1{
  font-size:38px;line-height:1.24;margin-bottom:16px;
  text-shadow:0 4px 24px rgba(4,10,24,.6);
}
.hero-sub{font-size:16px;color:var(--text-2);max-width:560px;line-height:1.8;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-metrics{
  display:flex;flex-wrap:wrap;gap:32px;margin-top:34px;
  padding-top:26px;border-top:1px solid var(--line);
}
.hero-metrics li{display:flex;flex-direction:column;gap:2px;}
.hero-metrics .m-val{font-size:26px;color:var(--gold);}
.hero-metrics .m-key{font-size:13px;color:var(--text-3);}
.glass-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  backdrop-filter:blur(12px);
  border-radius:var(--radius-card);
  box-shadow:0 18px 46px rgba(4,10,24,.5);
  padding:22px;
}
.info-card h2{font-size:16px;display:flex;align-items:center;gap:8px;margin-bottom:16px;color:var(--text-1);}
.info-card h2 i{color:var(--cyan);font-size:14px;}
.info-list li{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:11px 0;border-bottom:1px dashed rgba(120,160,255,.16);font-size:14px;
}
.info-list li:last-child{border-bottom:0;}
.info-list .k{color:var(--text-3);}
.info-list .v{color:var(--text-1);font-weight:700;}
.info-list .v.gold{color:var(--gold);}
.info-list .v.cyan{color:var(--cyan);}
.info-card .tip{
  margin-top:16px;font-size:13px;color:var(--text-3);
  padding:12px 14px;border-radius:10px;
  background:rgba(46,107,255,.1);border:1px solid rgba(46,107,255,.22);
  line-height:1.7;
}

/* ============ 通用板块 ============ */
.section{padding:80px 0;position:relative;}
.section.alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{margin-bottom:38px;max-width:720px;}
.section-head h2{
  font-size:28px;display:flex;align-items:center;gap:12px;margin-bottom:12px;
}
.section-head h2::before{
  content:"";width:3px;height:24px;border-radius:2px;
  background:linear-gradient(180deg,var(--primary-light),var(--cyan));
  flex:0 0 auto;
}
.section-head p{color:var(--text-2);font-size:15px;line-height:1.8;}

/* ============ 奖励档位 ============ */
.tier-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;align-items:end;
}
.tier-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px;
  box-shadow:var(--shadow-card);
  position:relative;
  overflow:hidden;
  transition:transform .25s,border-color .25s,box-shadow .25s;
}
.tier-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.16),transparent);
}
.tier-card:hover{transform:translateY(-2px);border-color:rgba(255,194,75,.55);box-shadow:0 14px 34px rgba(4,10,24,.6);}
.tier-card:nth-child(1){margin-bottom:40px;}
.tier-card:nth-child(2){margin-bottom:16px;}
.tier-card:nth-child(3){margin-bottom:30px;}
.tier-card:nth-child(4){margin-bottom:0;background:linear-gradient(180deg,var(--card-2),var(--card));border-color:rgba(255,194,75,.4);}
.tier-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:18px;}
.tier-name{font-size:15px;font-weight:700;color:var(--text-1);}
.tag{
  display:inline-flex;align-items:center;gap:5px;
  height:24px;padding:0 10px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:600;white-space:nowrap;
}
.tag-blue{color:var(--primary-light);background:rgba(46,107,255,.14);border:1px solid rgba(46,107,255,.35);}
.tag-cyan{color:var(--cyan);background:rgba(34,224,200,.12);border:1px solid rgba(34,224,200,.34);}
.tag-gold{color:var(--gold);background:rgba(255,194,75,.12);border:1px solid rgba(255,194,75,.36);}
.tier-amount{display:flex;align-items:baseline;gap:4px;color:var(--gold);margin-bottom:6px;}
.tier-amount .num{font-size:34px;line-height:1.1;}
.tier-amount .unit{font-size:14px;font-weight:600;color:var(--text-2);}
.tier-cond{font-size:13px;color:var(--text-3);margin-bottom:18px;line-height:1.7;}
.tier-bar{height:6px;border-radius:999px;background:rgba(120,160,255,.14);overflow:hidden;margin-bottom:10px;}
.tier-bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--cyan));}
.tier-meta{display:flex;justify-content:space-between;font-size:12px;color:var(--text-3);margin-bottom:18px;}
.tier-card .btn{width:100%;height:40px;font-size:14px;}

/* ============ 时间轴 ============ */
.timeline{position:relative;padding-left:34px;}
.timeline::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,rgba(34,224,200,.65),rgba(46,107,255,.5),rgba(120,160,255,.14));
  border-radius:2px;
}
.tl-item{position:relative;padding:0 0 30px 0;}
.tl-item:last-child{padding-bottom:0;}
.tl-dot{
  position:absolute;left:-34px;top:6px;
  width:20px;height:20px;border-radius:50%;
  background:var(--bg-2);
  border:2px solid rgba(120,160,255,.4);
  display:flex;align-items:center;justify-content:center;
}
.tl-dot::after{content:"";width:7px;height:7px;border-radius:50%;background:rgba(120,160,255,.5);}
.tl-item.is-done .tl-dot{border-color:var(--cyan);box-shadow:0 0 0 4px rgba(34,224,200,.12);}
.tl-item.is-done .tl-dot::after{background:var(--cyan);}
.tl-item.is-now .tl-dot{border-color:var(--gold);box-shadow:0 0 0 4px rgba(255,194,75,.14);}
.tl-item.is-now .tl-dot::after{background:var(--gold);}
.tl-body{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px 22px;box-shadow:var(--shadow-card);
  transition:border-color .25s,transform .25s;
}
.tl-body:hover{border-color:var(--line-strong);transform:translateY(-2px);}
.tl-head{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:8px;}
.tl-head h3{font-size:17px;}
.tl-body p{font-size:14px;color:var(--text-2);line-height:1.8;}
.tl-meta{display:flex;flex-wrap:wrap;gap:18px;margin-top:12px;font-size:13px;color:var(--text-3);}
.tl-meta strong{color:var(--text-1);font-weight:700;}

/* ============ 领取条件 ============ */
.rule-wrap{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:44px;align-items:start;}
.rule-list li{
  display:flex;gap:16px;padding:20px 0;border-top:1px solid var(--line);
}
.rule-list li:first-child{border-top:0;padding-top:0;}
.rule-num{
  flex:0 0 auto;width:38px;height:38px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;color:var(--primary-light);
  background:rgba(46,107,255,.12);border:1px solid rgba(46,107,255,.3);
}
.rule-list h3{font-size:16px;margin-bottom:6px;}
.rule-list p{font-size:14px;color:var(--text-2);line-height:1.8;}
.side-media{
  border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-card);background:var(--card);
}
.side-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.side-media figcaption{padding:16px 18px;font-size:13px;color:var(--text-3);line-height:1.7;}
.side-note{
  margin-top:20px;padding:18px 20px;border-radius:var(--radius-card);
  background:linear-gradient(180deg,rgba(255,194,75,.1),rgba(255,194,75,.03));
  border:1px solid rgba(255,194,75,.3);
}
.side-note h3{font-size:15px;color:var(--gold);display:flex;align-items:center;gap:8px;margin-bottom:8px;}
.side-note p{font-size:13.5px;color:var(--text-2);line-height:1.8;}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:0 22px;transition:border-color .25s,background-color .25s;
}
.faq-item:hover{border-color:var(--line-strong);}
.faq-item[open]{border-color:rgba(46,107,255,.45);background:var(--card-2);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;font-size:16px;font-weight:700;color:var(--text-1);
  cursor:pointer;list-style:none;position:relative;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";position:absolute;left:-22px;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:2px;background:var(--cyan);
  transition:height .22s ease;
}
.faq-item[open] summary::before{height:22px;}
.chev{color:var(--text-3);font-size:13px;transition:transform .2s ease,color .2s;}
.faq-item[open] .chev{transform:rotate(180deg);color:var(--cyan);}
.faq-answer{padding:0 0 22px;border-top:1px solid var(--line);margin-top:-1px;}
.faq-answer p{font-size:14.5px;color:var(--text-2);line-height:1.85;padding-top:16px;}

/* ============ CTA ============ */
.section-cta{padding:72px 0;}
.cta-band{
  position:relative;overflow:hidden;
  border-radius:22px;
  padding:44px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
  background:linear-gradient(12deg,rgba(46,107,255,.28),rgba(11,18,32,.9) 55%,rgba(34,224,200,.16));
  border:1px solid rgba(79,139,255,.35);
  box-shadow:0 24px 60px rgba(4,10,24,.55),inset 0 1px 0 rgba(255,255,255,.08);
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(115deg,rgba(255,255,255,.04) 0 1px,transparent 1px 16px);
  opacity:.6;
}
.cta-copy{position:relative;z-index:1;max-width:620px;}
.cta-copy h2{font-size:26px;margin-bottom:10px;}
.cta-copy p{font-size:15px;color:var(--text-2);line-height:1.8;}
.cta-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:12px;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--bg-2);
  border-top:1px solid var(--line);
  padding:64px 0 28px;
  position:relative;
  z-index:1;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--text-3);line-height:1.85;max-width:340px;}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text-1);}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:var(--text-3);}
.footer-col a:hover{color:var(--cyan);}
.footer-col p{font-size:13.5px;color:var(--text-3);line-height:1.85;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--text-3);
}
.fb-links{display:flex;gap:18px;}
.fb-links a:hover{color:var(--cyan);}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .tier-grid{grid-template-columns:repeat(2,1fr);align-items:stretch;}
  .tier-card:nth-child(1),.tier-card:nth-child(2),.tier-card:nth-child(3),.tier-card:nth-child(4){margin-bottom:0;}
}
@media (max-width:1024px){
  .page-hero h1{font-size:32px;}
  .hero-grid{grid-template-columns:1fr;gap:28px;}
  .rule-wrap{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:64px 0;}
  .cta-band{padding:34px;}
}
@media (max-width:860px){
  .nav-search{display:none;}
  .search-toggle{display:inline-flex;}
  .nav-search.open{
    display:flex;position:absolute;left:16px;right:16px;top:70px;
    max-width:none;z-index:70;box-shadow:0 16px 34px rgba(4,10,24,.6);
  }
  .nav-top{position:relative;gap:12px;}
  .brand-text{font-size:15px;}
  .brand-mark{width:36px;height:36px;font-size:13px;}
}
@media (max-width:768px){
  .section{padding:52px 0;}
  .section-head h2{font-size:23px;}
  .page-hero{padding:36px 0 44px;}
  .page-hero h1{font-size:26px;}
  .hero-sub{font-size:15px;}
  .hero-metrics{gap:22px;}
  .hero-metrics .m-val{font-size:22px;}
  .tier-grid{grid-template-columns:1fr;}
  .cta-band{padding:26px;flex-direction:column;align-items:flex-start;}
  .cta-copy h2{font-size:22px;}
  .hero-actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;}
  .faq-item{padding:0 18px;}
  .faq-item summary::before{left:-18px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .channel-list{padding:8px 16px;}
  .nav-actions .btn span{display:none;}
  .nav-actions .btn{padding:0 12px;}
  .page-hero h1{font-size:23px;}
  .tier-card{padding:18px;}
  .tl-body{padding:16px 18px;}
  .rule-num{width:32px;height:32px;font-size:13px;}
  .cta-band::after{display:none;}
  .hero-metrics{gap:16px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
}

/* roulang page: category4 */
:root{
  --bg:#060A14;
  --bg-2:#0B1220;
  --card:#101A2E;
  --card-2:#16233C;
  --line:rgba(120,160,255,.14);
  --line-strong:rgba(120,160,255,.28);
  --primary:#2E6BFF;
  --primary-l:#4F8BFF;
  --cyan:#22E0C8;
  --gold:#FFC24B;
  --warn:#FF5C7A;
  --t1:#EAF0FA;
  --t2:#9FB0C9;
  --t3:#6B7C96;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 8px 24px rgba(4,10,24,.45);
  --shadow-lg:0 18px 48px rgba(4,10,24,.6);
  --container:1200px;
}
*{box-sizing:border-box;}
html{scroll-padding-top:132px;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--t1);
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(120,160,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,160,255,.04) 1px,transparent 1px);
  background-size:32px 32px;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
input,textarea{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.25;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;position:relative;z-index:1;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:700;border:1px solid transparent;
  cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn i{font-size:14px;}
.btn-primary{
  background:linear-gradient(96deg,var(--primary),var(--primary-l));
  color:#fff;
  box-shadow:0 0 0 1px rgba(46,107,255,.5),0 8px 28px rgba(46,107,255,.35);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(79,139,255,.65),0 14px 34px rgba(46,107,255,.5);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 8px rgba(0,0,0,.4);}
.btn-primary:disabled{opacity:.4;filter:saturate(.4);box-shadow:none;cursor:not-allowed;}
.btn-ghost{
  background:rgba(255,255,255,.03);color:var(--t2);
  border-color:var(--line);
}
.btn-ghost:hover{color:var(--t1);border-color:rgba(46,107,255,.6);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;color:var(--primary-l);
  font-weight:700;font-size:15px;transition:color .18s ease;
}
.btn-text i{transition:transform .18s ease;}
.btn-text:hover{color:var(--cyan);}
.btn-text:hover i{transform:translateX(4px);}
.btn:focus-visible,.icon-btn:focus-visible,.channel-link:focus-visible,a:focus-visible,summary:focus-visible{
  outline:2px solid var(--cyan);outline-offset:2px;
}

/* ============ 头部 ============ */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(6,10,20,.9);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-top{
  display:flex;align-items:center;gap:20px;height:64px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--primary),#1B3FA8);
  color:#fff;font-weight:800;font-size:14px;letter-spacing:.02em;
  box-shadow:0 0 0 1px rgba(120,160,255,.35),0 6px 18px rgba(46,107,255,.4);
}
.brand-text{font-size:16px;font-weight:800;letter-spacing:-.01em;color:var(--t1);}
.brand-text em{font-style:normal;color:var(--primary-l);}
.nav-search{
  flex:1;max-width:420px;position:relative;display:flex;align-items:center;
}
.nav-search i{position:absolute;left:14px;color:var(--t3);font-size:14px;pointer-events:none;}
.nav-search input{
  width:100%;height:40px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  color:var(--t1);font-size:14px;padding:0 14px 0 38px;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.nav-search input::placeholder{color:var(--t3);}
.nav-search input:focus{
  outline:none;border-color:var(--primary);
  background:rgba(46,107,255,.08);
  box-shadow:0 0 0 3px rgba(34,224,200,.16);
}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.icon-btn{
  width:40px;height:40px;border-radius:var(--radius-sm);
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  color:var(--t2);cursor:pointer;transition:all .18s ease;
}
.icon-btn:hover{color:var(--t1);border-color:rgba(46,107,255,.55);background:rgba(46,107,255,.12);}
.search-toggle{display:none;}
.channel-row{
  border-top:1px solid var(--line);
  background:rgba(11,18,32,.72);
  position:relative;
}
.channel-row::before,.channel-row::after{
  content:"";position:absolute;top:0;bottom:0;width:36px;pointer-events:none;z-index:2;
}
.channel-row::before{left:0;background:linear-gradient(90deg,rgba(11,18,32,.95),transparent);}
.channel-row::after{right:0;background:linear-gradient(270deg,rgba(11,18,32,.95),transparent);}
.channel-list{
  max-width:var(--container);margin:0 auto;padding:0 24px;
  display:flex;align-items:center;gap:8px;height:52px;
  overflow-x:auto;scrollbar-width:none;
}
.channel-list::-webkit-scrollbar{display:none;}
.channel-link{
  display:inline-flex;align-items:center;gap:7px;flex-shrink:0;
  height:34px;padding:0 16px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--t3);
  border:1px solid transparent;background:transparent;
  transition:all .18s ease;
}
.channel-link i{font-size:13px;}
.channel-link:hover{color:var(--t2);background:rgba(255,255,255,.04);}
.channel-link.active{
  color:var(--t1);
  background:rgba(46,107,255,.12);
  border-color:rgba(46,107,255,.6);
  box-shadow:0 0 18px rgba(46,107,255,.22) inset;
}

/* ============ 首屏 ============ */
.page-hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
  background:#060A14;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.55;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(104deg,rgba(6,10,20,.94) 22%,rgba(6,10,20,.7) 58%,rgba(6,10,20,.42) 100%);
}
.hero-inner{
  position:relative;z-index:2;
  padding:56px 0 64px;
}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--t3);margin-bottom:22px;
}
.breadcrumb a{color:var(--t3);transition:color .18s ease;}
.breadcrumb a:hover{color:var(--primary-l);}
.breadcrumb span{color:var(--t2);}
.hero-grid{
  display:grid;grid-template-columns:1.35fr .85fr;gap:48px;align-items:start;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:28px;padding:0 14px;border-radius:999px;
  background:rgba(34,224,200,.1);
  border:1px solid rgba(34,224,200,.32);
  color:var(--cyan);font-size:12.5px;font-weight:700;letter-spacing:.04em;
  margin-bottom:20px;
}
.hero-inner h1{
  font-size:40px;line-height:1.22;margin-bottom:18px;
}
.hero-inner h1 em{font-style:normal;color:var(--primary-l);}
.hero-lede{
  color:var(--t2);font-size:16px;line-height:1.8;max-width:600px;margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  height:32px;padding:0 14px;border-radius:999px;
  font-size:13px;color:var(--t2);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
}
.chip i{font-size:12px;color:var(--cyan);}
.glass-card{
  background:rgba(255,255,255,.06);
  backdrop-filter:blur(12px);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius);
  padding:24px;
  box-shadow:var(--shadow-lg);
}
.glass-card h3{
  font-size:15px;font-weight:700;color:var(--t1);
  display:flex;align-items:center;gap:8px;margin-bottom:18px;
}
.glass-card h3 i{color:var(--cyan);font-size:14px;}
.info-list{display:flex;flex-direction:column;gap:14px;}
.info-list li{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-bottom:14px;border-bottom:1px dashed rgba(255,255,255,.12);
}
.info-list li:last-child{border-bottom:none;padding-bottom:0;}
.info-list .k{font-size:13px;color:var(--t2);}
.info-list .v{
  font-size:15px;font-weight:800;color:var(--gold);
  font-variant-numeric:tabular-nums;
}
.info-list .v.cyan{color:var(--cyan);}
.glass-note{
  margin-top:18px;padding:12px 14px;border-radius:var(--radius-sm);
  background:rgba(255,194,75,.08);
  border:1px solid rgba(255,194,75,.24);
  font-size:12.5px;line-height:1.7;color:rgba(255,224,168,.92);
  display:flex;gap:9px;
}
.glass-note i{color:var(--gold);margin-top:3px;}

/* ============ 通用板块 ============ */
.section{padding:88px 0;position:relative;}
.section.alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{margin-bottom:40px;max-width:760px;}
.section-head h2{
  font-size:29px;padding-left:16px;position:relative;margin-bottom:14px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;
  border-radius:2px;background:linear-gradient(180deg,var(--primary),var(--cyan));
}
.section-head p{color:var(--t2);font-size:15.5px;line-height:1.8;}

/* 快速定位 */
.jump-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.jump-card{
  display:block;padding:22px 20px;border-radius:var(--radius);
  background:var(--card);border:1px solid var(--line);
  box-shadow:var(--shadow);
  transition:transform .2s ease,border-color .2s ease,background .2s ease;
  position:relative;overflow:hidden;
}
.jump-card::after{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--primary),var(--cyan));
  opacity:0;transition:opacity .2s ease;
}
.jump-card:hover{transform:translateY(-2px);border-color:rgba(46,107,255,.45);background:var(--card-2);}
.jump-card:hover::after{opacity:1;}
.jump-card .num{
  font-size:13px;font-weight:800;color:var(--primary-l);
  font-variant-numeric:tabular-nums;letter-spacing:.08em;
}
.jump-card h3{font-size:17px;margin:8px 0 8px;}
.jump-card p{font-size:13.5px;color:var(--t3);line-height:1.7;}

/* ============ 帮助主体 左目录右手风琴 ============ */
.help-layout{
  display:grid;grid-template-columns:260px 1fr;gap:40px;align-items:start;
}
.anchor-nav{
  position:sticky;top:132px;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:20px;
  box-shadow:var(--shadow);
}
.anchor-nav h3{
  font-size:13px;letter-spacing:.1em;color:var(--t3);
  font-weight:700;margin-bottom:14px;text-transform:uppercase;
}
.anchor-nav a{
  display:flex;align-items:center;gap:10px;
  padding:11px 12px;border-radius:var(--radius-sm);
  font-size:14px;color:var(--t2);font-weight:600;
  transition:all .18s ease;border:1px solid transparent;
}
.anchor-nav a i{font-size:13px;color:var(--t3);transition:color .18s ease;}
.anchor-nav a:hover{background:rgba(46,107,255,.1);color:var(--t1);border-color:rgba(46,107,255,.3);}
.anchor-nav a:hover i{color:var(--primary-l);}
.anchor-nav .nav-foot{
  margin-top:16px;padding-top:16px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--t3);line-height:1.7;
}

.acc-group{margin-bottom:36px;scroll-margin-top:132px;}
.acc-group:last-child{margin-bottom:0;}
.acc-group-head{
  display:flex;align-items:center;gap:12px;margin-bottom:18px;
}
.acc-group-head .badge{
  width:34px;height:34px;border-radius:10px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:rgba(46,107,255,.14);border:1px solid rgba(46,107,255,.4);
  color:var(--primary-l);font-size:14px;
}
.acc-group-head h3{font-size:19px;}
.acc-group-head .count{
  margin-left:auto;font-size:12.5px;color:var(--t3);
  padding:4px 12px;border-radius:999px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
}
.acc-item{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);margin-bottom:12px;
  overflow:hidden;transition:border-color .2s ease,background .2s ease;
}
.acc-item:hover{border-color:rgba(46,107,255,.35);}
.acc-item[open]{
  border-color:rgba(46,107,255,.45);
  background:var(--card-2);
  box-shadow:0 0 0 1px rgba(46,107,255,.14),var(--shadow);
}
.acc-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;gap:14px;
  padding:18px 22px;
  font-size:15.5px;font-weight:700;color:var(--t1);
  position:relative;
  transition:color .18s ease;
}
.acc-item summary::-webkit-details-marker{display:none;}
.acc-item summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  border-radius:2px;background:var(--cyan);
  opacity:0;transition:opacity .2s ease;
}
.acc-item[open] summary::before{opacity:1;}
.acc-item summary .q-mark{
  flex-shrink:0;width:24px;height:24px;border-radius:7px;
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:800;
  background:rgba(46,107,255,.16);color:var(--primary-l);
}
.acc-item summary .arrow{
  margin-left:auto;color:var(--t3);font-size:13px;
  transition:transform .2s ease,color .2s ease;
}
.acc-item[open] summary .arrow{transform:rotate(180deg);color:var(--cyan);}
.acc-body{padding:0 22px 20px 60px;}
.acc-body p{font-size:14.5px;color:var(--t2);line-height:1.85;}
.acc-body ol{margin-top:12px;counter-reset:step;}
.acc-body ol li{
  position:relative;padding-left:26px;margin-bottom:9px;
  font-size:14px;color:var(--t2);line-height:1.75;
}
.acc-body ol li::before{
  counter-increment:step;content:counter(step);
  position:absolute;left:0;top:2px;
  width:18px;height:18px;border-radius:6px;
  display:flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:800;
  background:rgba(34,224,200,.14);color:var(--cyan);
}
.acc-body ul{padding-left:2px;}
.acc-body ul li{
  position:relative;padding-left:18px;margin-bottom:8px;
  font-size:14px;color:var(--t2);line-height:1.75;
}
.acc-body ul li::before{
  content:"";position:absolute;left:0;top:10px;
  width:6px;height:6px;border-radius:50%;background:var(--cyan);
}

/* ============ 安全提示带 ============ */
.safety-band{
  display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;
}
.safety-card{
  background:linear-gradient(150deg,rgba(255,194,75,.1),rgba(16,26,46,.9) 55%);
  border:1px solid rgba(255,194,75,.3);
  border-radius:var(--radius);padding:32px;
  box-shadow:var(--shadow-lg);
}
.safety-card h2{
  font-size:24px;display:flex;align-items:center;gap:10px;margin-bottom:16px;
}
.safety-card h2 i{color:var(--gold);font-size:20px;}
.safety-card > p{color:var(--t2);font-size:15px;line-height:1.8;margin-bottom:22px;}
.safety-list{display:flex;flex-direction:column;gap:14px;}
.safety-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 16px;border-radius:var(--radius-sm);
  background:rgba(6,10,20,.45);border:1px solid rgba(255,194,75,.18);
  font-size:14px;color:var(--t2);line-height:1.7;
}
.safety-list li i{
  color:var(--gold);font-size:15px;margin-top:3px;flex-shrink:0;
}
.safety-list li strong{color:var(--t1);font-weight:700;}
.safety-figure{
  position:relative;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-lg);
}
.safety-figure img{
  width:100%;height:100%;aspect-ratio:4/3;object-fit:cover;
  transition:transform .5s ease;
}
.safety-figure:hover img{transform:scale(1.03);}
.safety-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,10,20,.1),rgba(6,10,20,.75));
}
.safety-figure figcaption{
  position:absolute;left:20px;right:20px;bottom:18px;z-index:2;
  font-size:13.5px;color:var(--t2);line-height:1.7;
}

/* ============ 处理流程时间轴 ============ */
.timeline{position:relative;padding-left:30px;max-width:860px;}
.timeline::before{
  content:"";position:absolute;left:8px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--primary),rgba(34,224,200,.5),transparent);
}
.tl-item{position:relative;padding:0 0 28px 0;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-30px;top:6px;
  width:18px;height:18px;border-radius:50%;
  background:var(--bg);
  border:2px solid var(--primary);
  box-shadow:0 0 0 4px rgba(46,107,255,.14);
}
.tl-item.done::before{border-color:var(--cyan);box-shadow:0 0 0 4px rgba(34,224,200,.14);}
.tl-item h4{font-size:16px;margin-bottom:6px;}
.tl-item p{font-size:14px;color:var(--t2);line-height:1.8;max-width:680px;}
.tl-item .tl-tag{
  display:inline-flex;align-items:center;height:22px;padding:0 10px;
  border-radius:999px;font-size:11.5px;font-weight:700;margin-left:8px;
  vertical-align:middle;
}
.tl-tag.cyan{background:rgba(34,224,200,.12);color:var(--cyan);border:1px solid rgba(34,224,200,.3);}
.tl-tag.gold{background:rgba(255,194,75,.12);color:var(--gold);border:1px solid rgba(255,194,75,.3);}

/* ============ 联系表单 ============ */
.contact-wrap{
  display:grid;grid-template-columns:.85fr 1.15fr;gap:44px;align-items:start;
}
.contact-aside h2{font-size:26px;margin-bottom:14px;padding-left:16px;position:relative;}
.contact-aside h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:2px;
  background:linear-gradient(180deg,var(--primary),var(--cyan));
}
.contact-aside p{color:var(--t2);font-size:15px;line-height:1.85;margin-bottom:24px;}
.contact-meta{display:flex;flex-direction:column;gap:14px;}
.contact-meta li{
  display:flex;align-items:center;gap:12px;
  padding:14px 16px;border-radius:var(--radius-sm);
  background:var(--card);border:1px solid var(--line);
  font-size:14px;color:var(--t2);
}
.contact-meta li i{color:var(--primary-l);font-size:15px;width:18px;text-align:center;}
.contact-meta li strong{color:var(--t1);font-weight:700;}

.form-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:32px;
  box-shadow:var(--shadow-lg);position:relative;overflow:hidden;
}
.form-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--primary),var(--cyan));
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.form-field{margin-bottom:20px;}
.form-field label{
  display:block;font-size:13.5px;font-weight:700;color:var(--t2);
  margin-bottom:8px;
}
.form-field label .req{color:var(--warn);margin-left:3px;}
.input,.textarea{
  width:100%;height:44px;padding:0 14px;
  border-radius:var(--radius-sm);
  background:rgba(6,10,20,.6);
  border:1px solid var(--line);
  color:var(--t1);font-size:14.5px;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.textarea{height:auto;min-height:130px;padding:12px 14px;line-height:1.75;resize:vertical;}
.input::placeholder,.textarea::placeholder{color:var(--t3);}
.input:focus,.textarea:focus{
  outline:none;border-color:var(--primary);
  background:rgba(46,107,255,.07);
  box-shadow:0 0 0 3px rgba(46,107,255,.18);
}
.form-field.is-error .input,
.form-field.is-error .textarea{
  border-color:var(--warn);
  box-shadow:0 0 0 3px rgba(255,92,122,.16);
}
.error-text{
  display:none;margin-top:7px;font-size:12.5px;color:var(--warn);
}
.form-field.is-error .error-text{display:flex;align-items:center;gap:6px;}
.form-foot{
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
  margin-top:6px;padding-top:20px;border-top:1px solid var(--line);
}
.form-tip{font-size:12.5px;color:var(--t3);line-height:1.7;flex:1;min-width:200px;}
.form-success{
  display:none;margin-top:16px;padding:12px 14px;border-radius:var(--radius-sm);
  background:rgba(34,224,200,.1);border:1px solid rgba(34,224,200,.34);
  color:var(--cyan);font-size:13.5px;
}
.form-success.show{display:flex;align-items:center;gap:8px;}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--radius);
  border:1px solid rgba(46,107,255,.35);
  background:linear-gradient(112deg,rgba(46,107,255,.22),rgba(11,18,32,.95) 52%,rgba(34,224,200,.12));
  padding:44px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--shadow-lg);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(108deg,rgba(255,255,255,.05) 0 2px,transparent 2px 16px);
  opacity:.5;pointer-events:none;
}
.cta-band h2{font-size:25px;margin-bottom:10px;position:relative;}
.cta-band p{color:var(--t2);font-size:14.5px;line-height:1.8;max-width:560px;position:relative;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;flex-shrink:0;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--bg-2);
  border-top:1px solid var(--line);
  padding:64px 0 0;
  margin-top:0;
  position:relative;z-index:1;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:44px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:13.5px;color:var(--t3);line-height:1.85;max-width:320px;}
.footer-col h4{
  font-size:14px;font-weight:800;color:var(--t1);margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{
  font-size:13.5px;color:var(--t3);transition:color .18s ease;
  display:inline-block;
}
.footer-col a:hover{color:var(--primary-l);}
.footer-col p{font-size:13px;color:var(--t3);line-height:1.85;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 24px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--t3);
}
.fb-links{display:flex;gap:20px;}
.fb-links a{color:var(--t3);transition:color .18s ease;}
.fb-links a:hover{color:var(--primary-l);}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{padding:0 20px;}
  .channel-list{padding:0 20px;}
  .hero-inner h1{font-size:35px;}
  .hero-grid{gap:32px;}
  .jump-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:1023px){
  .nav-search{max-width:260px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .glass-card{max-width:520px;}
  .section{padding:64px 0;}
  .section-head h2{font-size:25px;}
  .help-layout{grid-template-columns:1fr;gap:28px;}
  .anchor-nav{position:static;display:flex;flex-wrap:wrap;gap:10px;padding:16px;}
  .anchor-nav h3{width:100%;margin-bottom:4px;}
  .anchor-nav a{padding:8px 14px;font-size:13px;border:1px solid var(--line);}
  .anchor-nav .nav-foot{display:none;}
  .safety-band{grid-template-columns:1fr;gap:28px;}
  .contact-wrap{grid-template-columns:1fr;gap:32px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  body{font-size:15px;}
  .nav-search{display:none;}
  .nav-search.open{
    display:flex;position:absolute;left:16px;right:16px;top:70px;max-width:none;z-index:60;
    background:var(--bg-2);padding:10px;border-radius:12px;border:1px solid var(--line);
    box-shadow:var(--shadow-lg);
  }
  .search-toggle{display:inline-flex;}
  .nav-actions .btn-primary span{display:none;}
  .nav-actions .btn-primary{padding:0 16px;}
  .nav-actions .icon-btn:last-child{display:none;}
  .hero-inner{padding:40px 0 48px;}
  .hero-inner h1{font-size:27px;}
  .hero-lede{font-size:15px;}
  .hero-actions .btn{flex:1;min-width:140px;}
  .jump-grid{grid-template-columns:1fr;}
  .section{padding:52px 0;}
  .section-head h2{font-size:22px;padding-left:13px;}
  .acc-item summary{padding:15px 16px;font-size:14.5px;gap:10px;}
  .acc-body{padding:0 16px 16px 16px;}
  .form-card{padding:22px 18px;}
  .form-row{grid-template-columns:1fr;gap:0;}
  .safety-card{padding:24px;}
  .cta-band{padding:28px 22px;}
  .cta-band h2{font-size:20px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px;}
  .timeline{padding-left:26px;}
}
@media (max-width:479px){
  .container{padding:0 16px;}
  .channel-list{padding:0 16px;}
  .hero-inner h1{font-size:24px;}
  .glass-card{padding:20px;}
  .info-list li{flex-direction:column;align-items:flex-start;gap:4px;}
  .breadcrumb{font-size:12px;}
  .brand-text{font-size:14px;}
  .brand-mark{width:34px;height:34px;font-size:13px;}
  .form-foot{flex-direction:column;align-items:stretch;}
  .form-foot .btn{width:100%;}
}