/* roulang page: index */
:root{
  --bg:#0B0918;
  --bg-2:#120F24;
  --card:#171331;
  --layer:#1F1A3D;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.16);
  --primary:#FF6A3D;
  --primary-2:#FF9A5C;
  --cyan:#22D3B8;
  --gold:#FFC44D;
  --warn:#FF5A6E;
  --text:#F4F2FF;
  --text-2:#ACA6CB;
  --text-3:#726C90;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:18px;
  --r-pill:999px;
  --sh-card:0 10px 30px rgba(0,0,0,.35);
  --sh-hover:0 16px 40px rgba(0,0,0,.45);
  --container:1200px;
  --sans:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --num:"Barlow","DIN Alternate","Inter",system-ui,sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--primary);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--primary-2)}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3{font-weight:700;letter-spacing:.01em}
::selection{background:rgba(255,106,61,.32);color:#fff}
:focus-visible{outline:3px solid rgba(255,106,61,.42);outline-offset:2px;border-radius:6px}

/* ============ 容器 ============ */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.container-wide{max-width:1280px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 26px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
  white-space:nowrap;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:#210D05;
  box-shadow:0 6px 18px rgba(255,106,61,.20);
}
.btn-primary:hover{
  color:#210D05;
  transform:translateY(-2px);
  box-shadow:0 12px 30px rgba(255,106,61,.30);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(255,106,61,.22)}
.btn-ghost{
  height:42px;
  padding:0 22px;
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.02);
  color:var(--text);
}
.btn-ghost:hover{
  color:var(--text);
  border-color:rgba(255,106,61,.55);
  background:rgba(255,106,61,.10);
  transform:translateY(-2px);
}
.btn-lg{height:52px;padding:0 34px;font-size:16px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;pointer-events:none}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--primary);
  position:relative;
  padding-bottom:2px;
}
.text-link::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:100%;height:1px;
  background:currentColor;
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .24s var(--ease);
}
.text-link:hover::after{transform:scaleX(1)}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:5px;
  height:24px;
  padding:0 11px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:600;
  line-height:1;
  letter-spacing:.02em;
  white-space:nowrap;
}
.badge-orange{background:rgba(255,106,61,.12);color:var(--primary-2)}
.badge-cyan{background:rgba(34,211,184,.12);color:var(--cyan)}
.badge-gold{background:rgba(255,196,77,.13);color:var(--gold)}
.badge-mute{background:rgba(255,255,255,.06);color:var(--text-2)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;
  align-items:center;
  height:34px;
  padding:0 16px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(255,255,255,.02);
  color:var(--text-2);
  font-size:13.5px;
  font-weight:500;
  transition:all .22s var(--ease);
}
.tag:hover,.tag.is-active{
  color:var(--text);
  border-color:rgba(255,106,61,.55);
  background:rgba(255,106,61,.10);
}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:90;
  width:100%;
  background:linear-gradient(180deg,rgba(11,9,24,.92),rgba(11,9,24,.62));
  border-bottom:1px solid transparent;
  transition:background-color .24s var(--ease),border-color .24s var(--ease),backdrop-filter .24s var(--ease);
}
.site-header.is-stuck{
  background:rgba(11,9,24,.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.topbar{
  display:flex;
  align-items:center;
  gap:22px;
  height:64px;
  transition:height .24s var(--ease);
}
.is-stuck .topbar{height:56px}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--text);
  font-weight:700;
  font-size:17px;
  letter-spacing:.01em;
}
.brand:hover{color:var(--text)}
.brand-mark{
  width:34px;height:34px;
  border-radius:11px;
  display:grid;
  place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:#210D05;
  font-size:15px;
  font-weight:700;
  transition:transform .24s var(--ease);
}
.is-stuck .brand-mark{transform:scale(.92)}
.brand-text{white-space:nowrap}
.topbar-mid{
  display:flex;
  align-items:center;
  gap:14px;
  margin-left:auto;
  min-width:0;
  flex:1 1 auto;
  justify-content:flex-end;
}
.search{
  position:relative;
  display:flex;
  align-items:center;
  width:100%;
  max-width:300px;
  height:42px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  transition:border-color .22s var(--ease),background-color .22s var(--ease);
}
.search:focus-within{
  border-color:rgba(255,106,61,.62);
  background:rgba(255,255,255,.05);
  box-shadow:0 0 0 3px rgba(255,106,61,.16);
}
.search svg{flex:0 0 auto;margin-left:14px;color:var(--text-3)}
.search input{
  flex:1 1 auto;
  min-width:0;
  height:100%;
  padding:0 16px 0 10px;
  border:0;
  background:transparent;
  font-size:14px;
  outline:none;
}
.search input::placeholder{color:var(--text-3)}
.hotwords{
  display:flex;
  align-items:center;
  gap:8px;
  max-width:330px;
  overflow-x:auto;
  scrollbar-width:none;
  -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 14px,#000 calc(100% - 14px),transparent 100%);
  mask-image:linear-gradient(90deg,transparent 0,#000 14px,#000 calc(100% - 14px),transparent 100%);
}
.hotwords::-webkit-scrollbar{display:none}
.hotword{
  flex:0 0 auto;
  height:28px;
  padding:0 12px;
  display:inline-flex;
  align-items:center;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  font-size:12.5px;
  color:var(--text-2);
  transition:all .22s var(--ease);
}
.hotword:hover{color:var(--text);border-color:rgba(34,211,184,.5);background:rgba(34,211,184,.10)}
.navbar{
  border-top:1px solid var(--line);
}
.nav-list{
  display:flex;
  align-items:center;
  gap:26px;
  height:48px;
  overflow-x:auto;
  scrollbar-width:none;
}
.nav-list::-webkit-scrollbar{display:none}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:48px;
  flex:0 0 auto;
  font-size:14.5px;
  font-weight:500;
  color:var(--text-2);
  white-space:nowrap;
  transition:color .22s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;bottom:11px;
  width:100%;height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--primary-2));
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .24s var(--ease);
}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--primary)}
.nav-link.active::after{transform:scaleX(1)}
.navbar .nav-more{margin-left:auto;flex:0 0 auto}
.nav-more a{
  font-size:13px;
  color:var(--text-3);
  display:inline-flex;
  align-items:center;
  gap:5px;
}
.nav-more a:hover{color:var(--primary)}
.burger{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  place-items:center;
  margin-left:auto;
  flex:0 0 auto;
}
.burger span{
  display:block;
  width:18px;height:2px;
  border-radius:2px;
  background:var(--text);
  position:relative;
}
.burger span::before,.burger span::after{
  content:"";
  position:absolute;left:0;
  width:18px;height:2px;border-radius:2px;background:var(--text);
}
.burger span::before{top:-6px}
.burger span::after{top:6px}

/* ============ 移动抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(5,4,12,.62);
  opacity:0;visibility:hidden;
  transition:opacity .28s var(--ease),visibility .28s var(--ease);
  z-index:98;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;
  top:0;right:0;
  width:288px;
  max-width:86vw;
  height:100%;
  background:var(--bg-2);
  border-left:1px solid var(--line);
  transform:translateX(100%);
  transition:transform .28s var(--ease);
  z-index:99;
  padding:22px 20px 32px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-title{font-size:15px;font-weight:700}
.drawer-close{
  width:38px;height:38px;border-radius:11px;
  border:1px solid var(--line);
  display:grid;place-items:center;
  color:var(--text-2);
}
.drawer-close:hover{color:var(--text);border-color:var(--line-strong)}
.drawer-search{display:flex;align-items:center;height:44px;border-radius:var(--r-sm);border:1px solid var(--line);background:rgba(255,255,255,.03);padding:0 12px;gap:8px;margin-bottom:20px}
.drawer-search input{flex:1;min-width:0;height:100%;border:0;background:transparent;outline:none;font-size:14px}
.drawer-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:22px}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:46px;
  padding:0 12px;
  border-radius:var(--r-sm);
  color:var(--text-2);
  font-size:15px;
  font-weight:500;
}
.drawer-nav a:hover,.drawer-nav a.active{background:rgba(255,106,61,.10);color:var(--text)}
.drawer-sub{font-size:12.5px;color:var(--text-3);letter-spacing:.04em;margin-bottom:10px}

/* ============ Hero ============ */
.hero{
  position:relative;
  min-height:78vh;
  display:flex;
  align-items:center;
  padding:64px 0 72px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  opacity:.34;
}
.hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,9,24,.72) 0%,rgba(11,9,24,.88) 55%,var(--bg) 100%);
}
.hero-dots{
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.22) 1px,transparent 1px);
  background-size:34px 34px;
  opacity:.14;
  pointer-events:none;
}
.hero-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:52% 1fr;
  gap:48px;
  align-items:center;
  width:100%;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;
  border-radius:var(--r-pill);
  border:1px solid rgba(34,211,184,.32);
  background:rgba(34,211,184,.09);
  color:var(--cyan);
  font-size:12.5px;font-weight:600;
  margin-bottom:20px;
}
.hero h1{
  font-size:clamp(28px,4.4vw,46px);
  line-height:1.25;
  margin-bottom:16px;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(120deg,var(--primary),var(--gold));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-sub{
  font-size:clamp(16px,1.6vw,19px);
  color:var(--text-2);
  line-height:1.7;
  max-width:32ch;
  margin-bottom:28px;
}
.hero-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-bottom:30px}
.trust-row{display:flex;flex-wrap:wrap;gap:22px}
.trust-item{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--text-2)}
.trust-item i{
  width:26px;height:26px;border-radius:8px;
  display:grid;place-items:center;
  background:rgba(255,106,61,.12);
  color:var(--primary-2);
  font-size:12px;font-style:normal;font-weight:700;
}
.hero-visual{position:relative}
.hero-kv{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-card);
  aspect-ratio:4/3;
}
.hero-kv img{width:100%;height:100%;object-fit:cover}
.hero-kv::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,9,24,.05),rgba(11,9,24,.55));
}
.float-card{
  position:absolute;
  left:-26px;
  bottom:26px;
  width:236px;
  background:var(--layer);
  border:1px solid rgba(255,106,61,.28);
  border-radius:var(--r-md);
  padding:16px 18px;
  box-shadow:0 18px 40px rgba(0,0,0,.5);
  animation:floaty 6s ease-in-out infinite;
}
@keyframes floaty{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-8px)}
}
.float-card .fc-label{font-size:12px;color:var(--text-3);letter-spacing:.04em}
.float-card .fc-value{
  font-family:var(--num);
  font-size:34px;
  line-height:1.1;
  font-weight:700;
  color:var(--gold);
  font-variant-numeric:tabular-nums;
  margin:2px 0 6px;
}
.float-card .fc-value small{font-size:14px;color:var(--text-2);font-weight:600;margin-left:4px}
.fc-bar{height:6px;border-radius:var(--r-pill);background:rgba(255,255,255,.08);overflow:hidden}
.fc-bar i{display:block;height:100%;width:72%;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--primary),var(--primary-2))}

/* ============ 板块通用 ============ */
.section{padding:104px 0}
.section-alt{background:var(--bg-2)}
.section-line{border-top:1px solid var(--line)}
.section-head{max-width:720px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.06em;
  color:var(--primary-2);
  margin-bottom:12px;
}
.section-kicker::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--primary)}
.section-head.center .section-kicker::before{display:none}
.section h2{
  font-size:clamp(22px,2.8vw,32px);
  line-height:1.3;
  margin-bottom:14px;
}
.section-desc{font-size:15.5px;color:var(--text-2);line-height:1.8;max-width:60ch}
.section-head.center .section-desc{margin:0 auto}

/* ============ 流程步骤 ============ */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  position:relative;
}
.steps::before{
  content:"";
  position:absolute;
  top:29px;left:5%;right:5%;
  height:1px;
  background:linear-gradient(90deg,rgba(255,106,61,.05),rgba(255,106,61,.42),rgba(34,211,184,.28),rgba(255,106,61,.05));
}
.step{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:26px 22px;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.step:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-hover);
  border-color:rgba(255,106,61,.30);
}
.step-num{
  width:44px;height:44px;
  border-radius:13px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(255,106,61,.22),rgba(255,154,92,.10));
  border:1px solid rgba(255,106,61,.30);
  color:var(--primary-2);
  font-family:var(--num);
  font-size:17px;font-weight:700;
  margin-bottom:16px;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;color:var(--text-2);line-height:1.75}

/* ============ 奖励预览（交错双列） ============ */
.reward-block{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:44px;
  align-items:center;
  padding:32px 0;
}
.reward-block + .reward-block{border-top:1px solid var(--line);margin-top:8px;padding-top:44px}
.reward-block.reverse .rb-media{order:2}
.rb-media{
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-card);
  aspect-ratio:16/10;
}
.rb-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.rb-media:hover img{transform:scale(1.04)}
.rb-value{
  font-family:var(--num);
  font-size:clamp(40px,6vw,64px);
  line-height:1.05;
  font-weight:700;
  color:var(--gold);
  font-variant-numeric:tabular-nums;
  margin-bottom:6px;
}
.rb-value span{font-size:16px;font-weight:600;color:var(--text-2);margin-left:8px}
.rb-body h3{font-size:20px;margin-bottom:10px}
.rb-body p{font-size:15px;color:var(--text-2);line-height:1.8;max-width:40ch;margin-bottom:16px}
.rb-badges{display:flex;flex-wrap:wrap;gap:8px}

/* ============ 进度模块 ============ */
.progress-panel{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:34px;
  box-shadow:var(--sh-card);
}
.pp-top{display:flex;align-items:flex-end;justify-content:space-between;flex-wrap:wrap;gap:16px;margin-bottom:26px}
.pp-tags{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:10px}
.pp-title{font-size:19px;font-weight:700}
.pp-percent{
  font-family:var(--num);
  font-size:clamp(38px,5vw,56px);
  line-height:1;
  font-weight:700;
  color:var(--primary-2);
  font-variant-numeric:tabular-nums;
}
.pp-percent small{font-size:16px;color:var(--text-2);margin-left:4px}
.pp-track{height:10px;border-radius:var(--r-pill);background:rgba(255,255,255,.08);overflow:hidden;margin-bottom:26px}
.pp-track i{display:block;height:100%;width:68%;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--primary),var(--primary-2))}
.pp-nodes{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.pp-node{
  border-top:2px solid rgba(255,255,255,.10);
  padding-top:14px;
  position:relative;
}
.pp-node::before{
  content:"";
  position:absolute;top:-6px;left:0;
  width:10px;height:10px;border-radius:50%;
  background:var(--text-3);
}
.pp-node.done::before{background:var(--cyan)}
.pp-node.now::before{background:var(--primary);box-shadow:0 0 0 4px rgba(255,106,61,.18)}
.pp-node strong{display:block;font-size:14.5px;margin-bottom:4px}
.pp-node span{font-size:13px;color:var(--text-3)}

/* ============ 场景列表 ============ */
.scene-list{border-top:1px solid var(--line)}
.scene-item{
  display:grid;
  grid-template-columns:64px 260px 1fr;
  gap:24px;
  align-items:baseline;
  padding:26px 8px;
  border-bottom:1px solid var(--line);
  transition:background-color .24s var(--ease),padding-left .24s var(--ease);
}
.scene-item:hover{background:rgba(255,255,255,.03);padding-left:16px}
.scene-idx{
  font-family:var(--num);
  font-size:22px;font-weight:700;
  color:var(--text-3);
  font-variant-numeric:tabular-nums;
}
.scene-item h3{font-size:18px}
.scene-item p{font-size:14.5px;color:var(--text-2);line-height:1.8;max-width:62ch}

/* ============ CTA 条带 ============ */
.cta-band{
  position:relative;
  border-radius:var(--r-lg);
  border:1px solid rgba(255,106,61,.30);
  background:linear-gradient(135deg,rgba(255,106,61,.14),rgba(34,211,184,.06) 70%,rgba(255,106,61,.02));
  padding:44px 40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;right:-60px;top:-60px;
  width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,61,.22),transparent 68%);
}
.cta-band h2{font-size:clamp(20px,2.4vw,28px);margin-bottom:8px;position:relative}
.cta-band p{font-size:15px;color:var(--text-2);position:relative}
.cta-band .cta-right{position:relative;text-align:right}
.cta-note{font-size:13px;color:var(--text-3);margin-top:10px}

/* ============ 资讯列表 ============ */
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.post-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.post-card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  color:var(--text);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.post-card:hover{
  color:var(--text);
  transform:translateY(-4px);
  box-shadow:var(--sh-hover);
  border-color:rgba(255,106,61,.30);
}
.post-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--layer)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.post-card:hover .post-thumb img{transform:scale(1.04)}
.post-thumb .badge{position:absolute;left:12px;top:12px}
.post-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.post-body h3{
  font-size:17px;
  line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color .22s var(--ease);
}
.post-card:hover .post-body h3{color:var(--primary-2)}
.post-body p{
  font-size:14px;
  color:var(--text-2);
  line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-meta{
  margin-top:auto;
  display:flex;
  align-items:center;
  gap:10px;
  font-size:12.5px;
  color:var(--text-3);
  padding-top:8px;
  border-top:1px solid var(--line);
}
.post-meta .arrow{margin-left:auto;color:var(--primary);font-weight:700}
.empty-state{
  grid-column:1/-1;
  text-align:center;
  padding:56px 24px;
  border:1px dashed var(--line-strong);
  border-radius:var(--r-md);
  background:rgba(255,255,255,.02);
}
.empty-state .es-icon{
  width:52px;height:52px;border-radius:14px;
  display:grid;place-items:center;
  margin:0 auto 16px;
  background:rgba(255,106,61,.12);
  color:var(--primary-2);
  font-size:22px;
}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:18px}
.list-foot{margin-top:34px;text-align:center}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:880px;margin:0 auto}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item.is-open{border-color:rgba(255,106,61,.32);box-shadow:var(--sh-card)}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 22px;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  transition:color .22s var(--ease);
}
.faq-q:hover{color:var(--primary-2)}
.faq-q .sign{
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:8px;
  display:grid;place-items:center;
  border:1px solid var(--line-strong);
  color:var(--text-2);
  font-size:15px;
  line-height:1;
  transition:transform .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.faq-item.is-open .sign{transform:rotate(180deg);color:var(--primary);border-color:rgba(255,106,61,.5)}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .28s var(--ease);
}
.faq-a p{
  padding:0 22px 22px;
  font-size:14.5px;
  color:var(--text-2);
  line-height:1.7;
  max-width:60ch;
}

/* ============ 页脚 ============ */
.site-footer{
  background:#080614;
  border-top:1px solid var(--line);
  padding:64px 0 0;
  margin-top:8px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--text-2);line-height:1.75;max-width:34ch}
.footer-col h4{font-size:14px;font-weight:700;margin-bottom:16px;color:var(--text)}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--text-2)}
.footer-col a:hover{color:var(--primary-2)}
.footer-sub{display:flex;gap:10px;margin-top:14px}
.footer-sub input{
  flex:1 1 auto;
  min-width:0;
  height:44px;
  padding:0 14px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  font-size:14px;
  outline:none;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.footer-sub input:focus{border-color:rgba(255,106,61,.62);box-shadow:0 0 0 3px rgba(255,106,61,.16)}
.footer-sub button{height:44px;padding:0 18px;flex:0 0 auto}
.footer-note{font-size:12.5px;color:var(--text-3);margin-top:10px}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:22px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:var(--text-3)}
.footer-bottom .fb-links{display:flex;gap:18px;flex-wrap:wrap}
.footer-bottom a{font-size:13px;color:var(--text-3)}
.footer-bottom a:hover{color:var(--primary-2)}
.to-top{
  position:fixed;
  right:24px;bottom:24px;
  width:46px;height:46px;
  border-radius:50%;
  display:grid;place-items:center;
  background:var(--layer);
  border:1px solid var(--line-strong);
  color:var(--text-2);
  box-shadow:var(--sh-card);
  opacity:0;visibility:hidden;
  transform:translateY(10px);
  transition:all .24s var(--ease);
  z-index:80;
}
.to-top.is-on{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{color:var(--primary);border-color:rgba(255,106,61,.5)}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .topbar-mid .hotwords{display:none}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .hero{min-height:auto;padding:52px 0 60px}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero-sub{max-width:none}
  .hero-visual{max-width:560px}
  .float-card{left:auto;right:16px;bottom:16px;width:210px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .steps::before{display:none}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .scene-item{grid-template-columns:48px 1fr;gap:8px 18px}
  .scene-item p{grid-column:2}
  .footer-col:last-child{grid-column:1/-1}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .topbar{height:60px;gap:12px}
  .search{display:none}
  .burger{display:grid}
  .brand{font-size:15.5px}
  .brand-mark{width:30px;height:30px;border-radius:10px;font-size:14px}
  .navbar{display:none}
  .hero h1{font-size:clamp(26px,7.2vw,34px)}
  .reward-block{grid-template-columns:1fr;gap:22px}
  .reward-block.reverse .rb-media{order:0}
  .pp-nodes{grid-template-columns:repeat(2,1fr)}
  .progress-panel{padding:24px}
  .cta-band{padding:32px 22px}
  .cta-band .cta-right{text-align:left;width:100%}
  .post-grid{grid-template-columns:1fr}
  .cta-note{text-align:left}
}
@media (max-width:575px){
  .section{padding:56px 0}
  .steps{grid-template-columns:1fr}
  .scene-item{grid-template-columns:1fr;gap:6px;padding:22px 4px}
  .scene-item p{grid-column:auto}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .btn{height:44px;width:100%}
  .hero-actions{flex-direction:column;align-items:stretch;gap:12px}
  .btn-ghost{height:44px}
  .text-link{justify-content:center}
  .footer-sub{flex-direction:column}
  .footer-sub button{width:100%}
  .to-top{right:16px;bottom:16px}
}

/* roulang page: article */
*,*::before,*::after{box-sizing:border-box}
:root{
  --bg:#0B0918;
  --bg-2:#120F24;
  --surface:#171331;
  --surface-2:#1F1A3D;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.18);
  --primary:#FF6A3D;
  --primary-2:#FF9A5C;
  --accent:#22D3B8;
  --gold:#FFC44D;
  --danger:#FF5A6E;
  --text:#F4F2FF;
  --text-2:#ACA6CB;
  --text-3:#726C90;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:18px;
  --r-pill:999px;
  --sh-card:0 10px 30px rgba(0,0,0,.35);
  --sh-hover:0 16px 40px rgba(0,0,0,.45);
  --t:220ms ease-out;
  --head-h:108px;
}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--primary);text-decoration:none;transition:color var(--t),opacity var(--t)}
a:hover{color:var(--primary-2)}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;color:var(--text)}
p{margin:0}
input,button{font-size:inherit}
::selection{background:rgba(255,106,61,.32);color:#fff}
:focus-visible{outline:3px solid rgba(255,106,61,.4);outline-offset:2px;border-radius:6px}

.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
.container-wide{max-width:1280px}
.num{font-family:Barlow,"DIN Alternate",Inter,ui-sans-serif,system-ui,sans-serif;font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(11,9,24,.72);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:background var(--t),border-color var(--t),box-shadow var(--t);
}
.site-header.is-scrolled{
  background:rgba(11,9,24,.94);
  border-bottom-color:var(--line);
  box-shadow:0 12px 30px rgba(0,0,0,.4);
}
.topbar{display:flex;align-items:center;gap:20px;height:64px;transition:height var(--t)}
.site-header.is-scrolled .topbar{height:56px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text)}
.brand:hover{color:var(--text)}
.brand-mark{
  width:34px;height:34px;border-radius:11px;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-2) 60%,var(--gold) 130%);
  color:#1A0C05;font-weight:700;font-size:17px;
  box-shadow:0 6px 18px rgba(255,106,61,.3);
  transition:transform var(--t);
}
.site-header.is-scrolled .brand-mark{transform:scale(.93)}
.brand-text{font-size:17px;font-weight:700;white-space:nowrap}
.topbar-mid{display:flex;align-items:center;gap:18px;flex:1 1 auto;justify-content:flex-end;min-width:0}
.hotwords{display:flex;align-items:center;gap:8px;overflow:hidden;position:relative}
.hotword{
  font-size:13px;line-height:1;color:var(--text-2);white-space:nowrap;
  padding:7px 12px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:rgba(255,255,255,.02);
  transition:color var(--t),border-color var(--t),background var(--t);
}
.hotword:hover{color:var(--primary);border-color:rgba(255,106,61,.45);background:rgba(255,106,61,.08)}
.search{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;
  border-radius:var(--r-pill);border:1px solid var(--line);
  background:rgba(255,255,255,.03);color:var(--text-3);
  transition:border-color var(--t),background var(--t),box-shadow var(--t);
  flex:0 1 250px;
}
.search:focus-within{border-color:rgba(255,106,61,.6);box-shadow:0 0 0 3px rgba(255,106,61,.14);background:rgba(255,255,255,.05)}
.search input{
  border:0;background:transparent;outline:none;color:var(--text);
  width:100%;height:100%;font-size:14px;
}
.search input::placeholder{color:var(--text-3)}
.burger{
  display:none;width:42px;height:42px;flex:0 0 auto;margin-left:auto;
  border-radius:var(--r-sm);border:1px solid var(--line);background:rgba(255,255,255,.03);
  cursor:pointer;position:relative;
}
.burger span,.burger span::before,.burger span::after{
  position:absolute;left:50%;width:18px;height:2px;background:var(--text);border-radius:2px;transform:translateX(-50%);
  transition:transform var(--t),opacity var(--t);
}
.burger span{top:50%;margin-top:-1px}
.burger span::before{content:"";top:-6px;left:0;transform:none}
.burger span::after{content:"";top:6px;left:0;transform:none}

.navbar{border-top:1px solid var(--line);background:rgba(255,255,255,.01)}
.nav-list{display:flex;align-items:center;gap:4px;height:48px}
.nav-link{
  display:inline-flex;align-items:center;height:100%;
  padding:0 14px;font-size:14.5px;color:var(--text-2);position:relative;
  transition:color var(--t);
}
.nav-link:hover{color:var(--text)}
.nav-link.active{color:var(--primary);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;
  border-radius:2px;background:linear-gradient(90deg,var(--primary),var(--primary-2));
}

/* 抽屉 */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:300px;max-width:86vw;z-index:200;
  background:var(--bg-2);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform 280ms ease-out;
  padding:20px;overflow-y:auto;display:flex;flex-direction:column;gap:18px;
}
.drawer.is-open{transform:translateX(0)}
.drawer-mask{
  position:fixed;inset:0;z-index:190;background:rgba(5,3,14,.66);
  opacity:0;visibility:hidden;transition:opacity 280ms ease-out,visibility 280ms ease-out;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-close{
  width:36px;height:36px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:rgba(255,255,255,.03);color:var(--text-2);font-size:20px;line-height:1;cursor:pointer;
}
.drawer-close:hover{color:var(--primary);border-color:rgba(255,106,61,.4)}
.search-drawer{flex:0 0 auto}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-nav a{
  display:block;padding:12px 14px;border-radius:var(--r-sm);
  color:var(--text-2);font-size:15px;border:1px solid transparent;
  transition:background var(--t),color var(--t),border-color var(--t);
}
.drawer-nav a:hover{background:rgba(255,106,61,.08);color:var(--primary);border-color:rgba(255,106,61,.25)}
.drawer-nav a.is-active{color:var(--primary);font-weight:600;background:rgba(255,106,61,.08)}

/* ============ 文章头部 ============ */
.page-hero{
  position:relative;
  padding:40px 0 44px;
  background:
    linear-gradient(180deg,rgba(18,15,36,.86) 0%,rgba(11,9,24,.96) 72%,var(--bg) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);flex-wrap:wrap;margin-bottom:18px}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:var(--text-3);opacity:.7}
.crumb-current{
  color:var(--text-2);max-width:42ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:inline-block;vertical-align:bottom;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--r-pill);
  font-size:12.5px;line-height:1.5;color:var(--accent);
  background:rgba(34,211,184,.08);border:1px solid rgba(34,211,184,.28);
  margin-bottom:16px;
}
.page-hero h1{
  font-size:clamp(28px,4.4vw,42px);line-height:1.28;
  max-width:26ch;margin-bottom:18px;
}
.meta-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:13.5px;color:var(--text-3)}
.meta-row .meta-item{display:inline-flex;align-items:center;gap:6px}
.meta-row time{color:var(--text-2)}
.dot{width:3px;height:3px;border-radius:50%;background:var(--text-3);opacity:.8}
.meta-chip{
  padding:4px 10px;border-radius:var(--r-pill);font-size:12.5px;
  color:var(--primary);background:rgba(255,106,61,.08);border:1px solid rgba(255,106,61,.26);
}

/* ============ 正文布局 ============ */
.article-wrap{padding:56px 0 72px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:44px;align-items:start}
.article-main{min-width:0;max-width:820px;margin:0 auto;width:100%}
.article-content{
  font-size:16px;line-height:1.85;color:var(--text);
  word-break:break-word;
}
.article-content > * + *{margin-top:1.2em}
.article-content p{margin:0 0 1.2em;color:var(--text-2);max-width:40em}
.article-content p strong{color:var(--text)}
.article-content h2{
  font-size:clamp(22px,2.8vw,30px);line-height:1.35;
  margin:2.2em 0 .9em;padding-left:14px;
  border-left:4px solid var(--primary);
}
.article-content h3{font-size:19.5px;line-height:1.45;margin:1.8em 0 .7em;color:var(--text)}
.article-content h4{font-size:17px;margin:1.6em 0 .6em;color:var(--text-2)}
.article-content ul,.article-content ol{margin:0 0 1.3em;padding:0}
.article-content ul li,.article-content ol li{
  position:relative;padding-left:22px;margin-bottom:.6em;color:var(--text-2);line-height:1.8;
}
.article-content ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:2px;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
}
.article-content ol{counter-reset:artlist}
.article-content ol li::before{
  counter-increment:artlist;content:counter(artlist);
  position:absolute;left:0;top:.15em;
  width:18px;height:18px;line-height:18px;text-align:center;border-radius:50%;
  font-size:11px;font-weight:700;color:#1A0C05;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
}
.article-content blockquote{
  margin:1.6em 0;padding:16px 20px;
  border-left:3px solid var(--primary);border-radius:0 var(--r-md) var(--r-md) 0;
  background:rgba(255,255,255,.035);color:var(--text-2);font-size:15.5px;
}
.article-content blockquote p{margin:0;color:var(--text-2)}
.article-content img{border-radius:var(--r-md);margin:1.6em auto;box-shadow:var(--sh-card)}
.article-content figcaption,.article-content .caption{
  text-align:center;font-size:13px;color:var(--text-3);margin-top:-.8em;
}
.article-content table{
  width:100%;border-collapse:collapse;margin:1.6em 0;font-size:14.5px;
  border-radius:var(--r-md);overflow:hidden;
}
.article-content thead th{
  background:var(--surface-2);color:var(--text);text-align:left;
  padding:12px 14px;font-weight:600;font-size:14px;
}
.article-content tbody td{padding:11px 14px;border-top:1px solid var(--line);color:var(--text-2)}
.article-content tbody tr:nth-child(even){background:rgba(255,255,255,.025)}
.article-content pre{
  background:#0E0B1F;border:1px solid var(--line);border-radius:var(--r-md);
  padding:16px 18px;overflow-x:auto;font-size:14px;line-height:1.7;color:#D9D4F5;
}
.article-content code{
  background:rgba(255,255,255,.07);border-radius:6px;padding:2px 6px;font-size:.92em;color:var(--gold);
}
.article-content pre code{background:none;padding:0;color:inherit;font-size:13.5px}
.article-content hr{border:0;border-top:1px solid var(--line);margin:2.2em 0}

.empty-state{
  text-align:center;padding:60px 24px;border-radius:var(--r-lg);
  background:var(--surface);border:1px solid var(--line);
}
.empty-state .icon{
  width:64px;height:64px;margin:0 auto 18px;border-radius:20px;
  display:flex;align-items:center;justify-content:center;font-size:26px;
  background:rgba(255,106,61,.1);border:1px solid rgba(255,106,61,.28);color:var(--primary);
}
.empty-state h3{font-size:19px;margin-bottom:10px}
.empty-state p{color:var(--text-2);font-size:14.5px;margin-bottom:22px}

/* 标签 / 分享 / 上下篇 */
.article-tags{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:38px;padding-top:26px;border-top:1px solid var(--line)}
.article-tags .label{font-size:13.5px;color:var(--text-3)}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;border-radius:var(--r-pill);font-size:13px;
  color:var(--text-2);background:rgba(255,255,255,.04);border:1px solid var(--line);
  transition:color var(--t),border-color var(--t),background var(--t),transform var(--t);
}
.tag:hover{color:var(--primary);border-color:rgba(255,106,61,.4);background:rgba(255,106,61,.08);transform:translateY(-2px)}
.article-share{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:22px}
.article-share .label{font-size:13.5px;color:var(--text-3)}
.share-btn{
  padding:8px 16px;border-radius:var(--r-pill);font-size:13.5px;
  color:var(--text-2);background:var(--surface);border:1px solid var(--line);
  transition:color var(--t),border-color var(--t),background var(--t),transform var(--t);
}
.share-btn:hover{color:var(--primary);border-color:rgba(255,106,61,.42);background:rgba(255,106,61,.08);transform:translateY(-2px)}

.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:30px}
.post-nav a{
  display:block;padding:18px 20px;border-radius:var(--r-md);
  background:var(--surface);border:1px solid var(--line);color:var(--text);
  transition:transform var(--t),border-color var(--t),box-shadow var(--t),background var(--t);
}
.post-nav a:hover{transform:translateY(-4px);border-color:rgba(255,106,61,.32);box-shadow:var(--sh-hover);background:var(--surface-2)}
.post-nav .pn-label{font-size:12.5px;color:var(--text-3);margin-bottom:8px;display:block}
.post-nav .pn-title{font-size:15px;font-weight:600;line-height:1.55;display:block;
  overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.post-nav .pn-next{text-align:right}
.post-nav .pn-disabled{opacity:.45;cursor:default;pointer-events:none}

.back-line{margin-top:26px;font-size:14px}
.back-line a{border-bottom:1px solid transparent;transition:border-color var(--t)}
.back-line a:hover{border-bottom-color:var(--primary)}

/* 侧栏 */
.article-side{display:none;position:sticky;top:calc(var(--head-h) + 16px);align-self:start}
.side-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px;margin-bottom:18px;
}
.side-panel h4{font-size:14.5px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-panel h4::before{content:"";width:3px;height:14px;border-radius:2px;background:linear-gradient(180deg,var(--primary),var(--primary-2))}
.side-list li + li{margin-top:8px}
.side-list a{font-size:14px;color:var(--text-2);display:block;padding:7px 0;transition:color var(--t),padding-left var(--t)}
.side-list a:hover{color:var(--primary);padding-left:5px}
.side-tags{display:flex;flex-wrap:wrap;gap:8px}

/* 相关推荐 */
.related{
  padding:72px 0 84px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,var(--bg-2) 0%,var(--bg) 100%);
}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:30px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(22px,2.8vw,30px);line-height:1.35}
.sec-head p{font-size:14.5px;color:var(--text-2);margin-top:8px}
.sec-more{font-size:14px;color:var(--primary);border-bottom:1px solid transparent;transition:border-color var(--t)}
.sec-more:hover{border-bottom-color:var(--primary)}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.rel-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;color:var(--text);
  transition:transform var(--t),border-color var(--t),box-shadow var(--t);
}
.rel-card:hover{transform:translateY(-4px);border-color:rgba(255,106,61,.32);box-shadow:var(--sh-hover);color:var(--text)}
.rel-thumb{position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;background:var(--surface-2)}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 600ms ease-out}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-thumb .thumb-badge{
  position:absolute;left:12px;top:12px;
  padding:4px 10px;border-radius:var(--r-pill);font-size:12px;
  color:var(--accent);background:rgba(11,9,24,.72);border:1px solid rgba(34,211,184,.34);
  backdrop-filter:blur(6px);
}
.rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body h3{
  font-size:16px;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color var(--t);
}
.rel-card:hover .rel-body h3{color:var(--primary)}
.rel-body p{
  font-size:13.5px;color:var(--text-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-meta{margin-top:auto;display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--text-3)}

/* 返回顶部 */
.to-top{
  position:fixed;right:22px;bottom:26px;z-index:130;
  width:46px;height:46px;border-radius:50%;cursor:pointer;
  border:1px solid rgba(255,106,61,.35);color:var(--primary);
  background:rgba(23,19,49,.92);backdrop-filter:blur(8px);
  font-size:18px;line-height:1;display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity var(--t),visibility var(--t),transform var(--t),background var(--t),box-shadow var(--t);
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:rgba(255,106,61,.16);box-shadow:0 10px 26px rgba(255,106,61,.26)}

/* ============ 页脚 ============ */
.site-footer{background:#080614;border-top:1px solid var(--line);padding-top:56px}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;padding-bottom:44px;
}
.footer-brand p{font-size:14px;color:var(--text-2);line-height:1.8;margin-top:14px;max-width:34ch}
.footer-col h4{font-size:14.5px;margin-bottom:16px;color:var(--text)}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14px;color:var(--text-2)}
.footer-col ul a:hover{color:var(--primary)}
.footer-sub{display:flex;gap:8px;margin-top:14px}
.footer-sub input{
  flex:1 1 auto;min-width:0;height:44px;padding:0 13px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--text);outline:none;
  transition:border-color var(--t),box-shadow var(--t);
}
.footer-sub input::placeholder{color:var(--text-3)}
.footer-sub input:focus{border-color:rgba(255,106,61,.6);box-shadow:0 0 0 3px rgba(255,106,61,.14)}
.footer-note{font-size:12.5px;color:var(--text-3);margin-top:10px}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.fb-links{display:flex;gap:18px;flex-wrap:wrap}
.fb-links a{color:var(--text-3)}
.fb-links a:hover{color:var(--primary)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:transform var(--t),box-shadow var(--t),background var(--t),border-color var(--t),color var(--t);
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-2) 100%);
  color:#1A0C05;
}
.btn-primary:hover{color:#1A0C05;transform:translateY(-2px);box-shadow:0 10px 30px rgba(255,106,61,.28)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  background:transparent;border-color:var(--line-strong);color:var(--text);
}
.btn-ghost:hover{background:rgba(255,106,61,.08);border-color:rgba(255,106,61,.45);color:var(--primary)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .rel-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;}
  .footer-col:last-child{grid-column:1 / -1}
}
@media (min-width:1280px){
  .article-side{display:block}
  .article-main{margin:0}
}
@media (max-width:1023px){
  .hotwords{display:none}
  .search{flex:0 1 210px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:979px){
  .navbar{display:none}
  .topbar-mid{display:none}
  .burger{display:block}
  .topbar{height:60px;gap:12px}
  .page-hero{padding:30px 0 34px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .article-wrap{padding:40px 0 56px}
  .article-content{font-size:15.5px;line-height:1.8}
  .article-content p{max-width:none}
  .post-nav{grid-template-columns:1fr}
  .post-nav .pn-next{text-align:left}
  .related{padding:56px 0 64px}
  .rel-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
  .to-top{right:14px;bottom:18px;width:44px;height:44px}
}
@media (max-width:575px){
  .brand-text{font-size:15.5px;max-width:9em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .page-hero h1{font-size:26px}
  .footer-sub{flex-direction:column}
  .footer-sub .btn{width:100%}
  .article-content h2{padding-left:11px;border-left-width:3px}
}

/* roulang page: category1 */
:root{
  --bg:#0B0918;
  --bg-2:#120F24;
  --card:#171331;
  --panel:#1F1A3D;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.16);
  --brand:#FF6A3D;
  --brand-2:#FF9A5C;
  --cyan:#22D3B8;
  --gold:#FFC44D;
  --danger:#FF5A6E;
  --text:#F4F2FF;
  --text-2:#ACA6CB;
  --text-3:#726C90;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:18px;
  --r-pill:999px;
  --sh-card:0 10px 30px rgba(0,0,0,.35);
  --sh-hover:0 16px 40px rgba(0,0,0,.45);
  --sh-brand:0 10px 30px rgba(255,106,61,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Barlow","DIN Alternate","Inter",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.drawer-open{overflow:hidden}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color .22s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease)}
a:hover{color:var(--brand-2)}
button,input,select,textarea{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:700;letter-spacing:.01em;line-height:1.3}
p{margin:0}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(255,106,61,.4);border-radius:var(--r-sm)}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}

/* ============ 容器 ============ */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.container-wide{max-width:1280px}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(11,9,24,.72);
  backdrop-filter:saturate(160%) blur(8px);
  -webkit-backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid transparent;
  transition:background-color .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header.is-stuck{
  background:rgba(11,9,24,.92);
  border-bottom-color:var(--line);
  box-shadow:0 10px 30px rgba(0,0,0,.4);
}
.topbar{
  display:flex;align-items:center;gap:20px;
  height:64px;
  transition:height .24s var(--ease);
}
.site-header.is-stuck .topbar{height:56px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);flex:0 0 auto}
.brand:hover{color:var(--text)}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#2A0E03;font-weight:700;font-size:17px;
  box-shadow:var(--sh-brand);
  transition:width .24s var(--ease),height .24s var(--ease);
}
.site-header.is-stuck .brand-mark{width:30px;height:30px;font-size:15px}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.site-header.is-stuck .brand-text{font-size:16px}
.topbar-mid{display:flex;align-items:center;gap:16px;margin-left:auto;min-width:0}
.hotwords{
  display:flex;align-items:center;gap:8px;
  overflow-x:auto;scrollbar-width:none;
  max-width:52vw;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 14px,#000 calc(100% - 14px),transparent);
  mask-image:linear-gradient(90deg,transparent,#000 14px,#000 calc(100% - 14px),transparent);
}
.hotwords::-webkit-scrollbar{display:none}
.hotword{
  flex:0 0 auto;
  font-size:13px;line-height:1;color:var(--text-2);
  padding:8px 14px;border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(255,255,255,.02);
  transition:color .22s var(--ease),border-color .22s var(--ease),background-color .22s var(--ease);
}
.hotword:hover{color:var(--text);border-color:rgba(255,106,61,.5);background:rgba(255,106,61,.1)}
.search{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 16px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  color:var(--text-3);
  transition:border-color .22s var(--ease),background-color .22s var(--ease);
}
.search:focus-within{border-color:rgba(255,106,61,.6);background:rgba(255,106,61,.06)}
.search input{
  width:190px;height:100%;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--text);
}
.search input::placeholder{color:var(--text-3)}
.burger{
  display:none;
  width:44px;height:44px;margin-left:auto;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  position:relative;
  flex:0 0 auto;
}
.burger span,.burger span::before,.burger span::after{
  position:absolute;left:50%;width:18px;height:2px;border-radius:2px;background:var(--text);
  transform:translateX(-50%);transition:transform .24s var(--ease),opacity .24s var(--ease);
}
.burger span{top:50%;margin-top:-1px}
.burger span::before{content:"";left:0;transform:none;top:-6px}
.burger span::after{content:"";left:0;transform:none;top:6px}
.navbar{border-top:1px solid transparent;transition:border-color .24s var(--ease)}
.site-header.is-stuck .navbar{border-top-color:var(--line)}
.nav-list{
  display:flex;align-items:center;gap:6px;
  height:48px;overflow-x:auto;scrollbar-width:none;
}
.nav-list::-webkit-scrollbar{display:none}
.site-header.is-stuck .nav-list{height:44px}
.nav-link{
  position:relative;display:inline-block;
  padding:6px 14px;font-size:15px;color:var(--text-2);white-space:nowrap;
  border-radius:var(--r-sm);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
  transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.04)}
.nav-link.active{color:var(--brand);font-weight:600}
.nav-link.active::after{transform:scaleX(1)}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;z-index:70;
  background:rgba(5,4,12,.68);
  opacity:0;visibility:hidden;transition:opacity .28s var(--ease),visibility .28s var(--ease);
}
.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:80;
  width:300px;max-width:86vw;
  background:var(--bg-2);
  border-left:1px solid var(--line);
  transform:translateX(100%);
  transition:transform .28s var(--ease);
  padding:20px;
  overflow-y:auto;
}
body.drawer-open .drawer{transform:translateX(0)}
body.drawer-open .drawer-mask{opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
.drawer-close{width:40px;height:40px;border-radius:var(--r-sm);border:1px solid var(--line);color:var(--text-2)}
.drawer-close:hover{color:var(--text);border-color:var(--line-strong)}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:20px}
.drawer-nav a{
  display:block;padding:12px 14px;border-radius:var(--r-md);
  color:var(--text-2);font-size:15px;border:1px solid transparent;
}
.drawer-nav a:hover{color:var(--text);background:rgba(255,255,255,.04)}
.drawer-nav a.active{color:var(--brand);border-color:rgba(255,106,61,.35);background:rgba(255,106,61,.08)}
.drawer-sub{font-size:13px;color:var(--text-3);margin-bottom:10px;letter-spacing:.01em}
.drawer-search{display:flex;align-items:center;gap:8px;height:44px;padding:0 14px;border-radius:var(--r-sm);background:rgba(255,255,255,.04);border:1px solid var(--line);margin-bottom:16px}
.drawer-search input{width:100%;border:0;background:transparent;outline:none;font-size:14px}
.drawer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.drawer-tags a{font-size:13px;padding:7px 12px;border-radius:var(--r-pill);border:1px solid var(--line);color:var(--text-2)}
.drawer-tags a:hover{color:var(--text);border-color:rgba(255,106,61,.5)}

/* ============ 面包屑 ============ */
.crumb-bar{border-bottom:1px solid var(--line);background:linear-gradient(180deg,rgba(23,19,49,.6),rgba(11,9,24,0))}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text-3);padding:14px 0}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:var(--text-3)}
.crumb .cur{color:var(--text)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#2A0E03}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh-brand);color:#2A0E03}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--text)}
.btn-ghost:hover{background:rgba(255,106,61,.08);border-color:rgba(255,106,61,.55);color:var(--text)}
.btn-lg{height:52px;padding:0 34px;font-size:16px}
.btn:disabled,.btn.disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
.link-underline{position:relative;color:var(--brand);font-weight:600}
.link-underline::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:1px;background:currentColor;
  transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.link-underline:hover::after{transform:scaleX(1)}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;line-height:1;padding:6px 12px;border-radius:var(--r-pill);
  background:rgba(255,106,61,.1);color:var(--brand-2);border:1px solid rgba(255,106,61,.28);
}
.badge-cyan{background:rgba(34,211,184,.1);color:var(--cyan);border-color:rgba(34,211,184,.3)}
.badge-gold{background:rgba(255,196,77,.1);color:var(--gold);border-color:rgba(255,196,77,.3)}
.badge-mute{background:rgba(255,255,255,.06);color:var(--text-2);border-color:var(--line)}

/* ============ 首屏 ============ */
.page-hero{
  position:relative;
  border-bottom:1px solid var(--line);
  background-image:linear-gradient(180deg,rgba(11,9,24,.72),rgba(11,9,24,.94)),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(520px 320px at 82% 18%,rgba(255,106,61,.16),transparent 70%),
             radial-gradient(420px 260px at 8% 90%,rgba(34,211,184,.12),transparent 72%);
  pointer-events:none;
}
.hero-inner{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;
  padding:72px 0 76px;
}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:18px}
.hero-eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px rgba(34,211,184,.7)}
.page-title{font-size:clamp(28px,4vw,42px);line-height:1.25;margin-bottom:16px}
.page-title em{font-style:normal;color:var(--brand);}
.page-lead{font-size:16px;color:var(--text-2);max-width:34em;margin-bottom:24px}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-bottom:26px}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:13.5px;color:var(--text-2)}
.hero-facts li{display:flex;align-items:center;gap:8px}
.hero-facts .ico{width:16px;height:16px;color:var(--cyan);flex:0 0 auto}
.hero-visual{position:relative}
.hero-shot{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line-strong);
  box-shadow:var(--sh-card);
  aspect-ratio:4/3;
  background:var(--card);
}
.hero-shot img{width:100%;height:100%;object-fit:cover}
.hero-float{
  position:absolute;left:-14px;bottom:-18px;
  min-width:210px;padding:16px 18px;border-radius:var(--r-md);
  background:rgba(31,26,61,.94);
  border:1px solid rgba(255,106,61,.34);
  box-shadow:0 16px 40px rgba(0,0,0,.5);
  animation:floatY 6s ease-in-out infinite;
}
.hero-float .fl-label{font-size:12.5px;color:var(--text-3);letter-spacing:.01em}
.hero-float .fl-value{font-size:30px;font-weight:700;line-height:1.05;color:var(--gold);font-family:var(--font-num)}
.hero-float .fl-value small{font-size:13px;color:var(--text-2);margin-left:4px;font-family:var(--font-cn);font-weight:500}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}

/* ============ 板块 ============ */
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-head{max-width:720px;margin-bottom:36px}
.section-title{font-size:clamp(22px,2.8vw,32px);margin-bottom:12px}
.section-desc{color:var(--text-2);font-size:15.5px}
.section-head .badge{margin-bottom:14px}
.bg-2{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ============ 时间轴 ============ */
.timeline{position:relative;max-width:960px}
.tl-item{position:relative;display:grid;grid-template-columns:72px 1fr;gap:26px;padding-bottom:36px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:35px;top:72px;bottom:0;width:2px;
  background:linear-gradient(180deg,rgba(255,106,61,.55),rgba(255,106,61,.05));
}
.tl-item:last-child::before{display:none}
.tl-dot{
  position:relative;z-index:1;
  width:72px;height:72px;border-radius:22px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(160deg,var(--panel),var(--card));
  border:1px solid rgba(255,106,61,.32);
  color:var(--brand-2);font-family:var(--font-num);font-size:22px;font-weight:700;
  box-shadow:var(--sh-card);
}
.tl-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-card);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(255,106,61,.32)}
.tl-head{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:10px}
.tl-title{font-size:19px;line-height:1.4}
.tl-text{color:var(--text-2);font-size:15.5px;margin-bottom:16px}
.tl-list{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}
.tl-list li{position:relative;padding-left:20px;font-size:14.5px;color:var(--text-2);line-height:1.75}
.tl-list li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;background:rgba(34,211,184,.85);box-shadow:0 0 0 3px rgba(34,211,184,.12)}
.shot{
  border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);
  aspect-ratio:16/9;background:var(--panel);max-width:520px;
}
.shot img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.shot:hover img{transform:scale(1.04)}

/* ============ 检查清单条 ============ */
.check-band{
  display:flex;flex-wrap:wrap;align-items:stretch;gap:0;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-card);
}
.check-item{flex:1 1 240px;padding:24px 26px;border-right:1px solid var(--line)}
.check-item:last-child{border-right:0}
.check-item .ci-top{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.check-item h3{font-size:16.5px}
.check-item p{font-size:14.5px;color:var(--text-2)}
.ci-ico{width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;background:rgba(34,211,184,.12);color:var(--cyan);flex:0 0 auto}

/* ============ 常见卡点 ============ */
.pit-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.pit-card{
  position:relative;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 24px 22px 26px;
  border-left:3px solid rgba(255,90,110,.7);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.pit-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.pit-card h3{font-size:17px;margin-bottom:8px}
.pit-card p{font-size:14.5px;color:var(--text-2)}
.pit-card .fix{display:inline-flex;align-items:center;gap:6px;margin-top:12px;font-size:13.5px;color:var(--cyan)}

/* ============ FAQ ============ */
.faq{max-width:860px;display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;transition:border-color .22s var(--ease),background-color .22s var(--ease);
}
.faq-item.open{border-color:rgba(255,106,61,.35);background:var(--panel)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;text-align:left;font-size:16px;font-weight:600;color:var(--text);
  transition:color .22s var(--ease);
}
.faq-q:hover{color:var(--brand-2)}
.faq-q .pm{
  flex:0 0 auto;width:22px;height:22px;position:relative;
  transition:transform .18s var(--ease);
}
.faq-q .pm::before,.faq-q .pm::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-q .pm::before{width:14px;height:2px}
.faq-q .pm::after{width:2px;height:14px}
.faq-item.open .faq-q .pm{transform:rotate(180deg)}
.faq-item.open .faq-q .pm::after{opacity:0}
.faq-a{display:none;padding:0 22px 20px;color:var(--text-2);font-size:15px;line-height:1.75}
.faq-item.open .faq-a{display:block}
.faq-a p{max-width:60ch}

/* ============ CTA 条带 ============ */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);
  border:1px solid rgba(255,106,61,.35);
  background:linear-gradient(120deg,rgba(255,106,61,.14),rgba(31,26,61,.9) 55%,rgba(34,211,184,.12));
  padding:46px 44px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
  box-shadow:var(--sh-card);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px}
.cta-band p{color:var(--text-2);font-size:15px;max-width:32em}
.cta-side{display:flex;flex-direction:column;gap:10px;align-items:flex-start}
.cta-note{font-size:13px;color:var(--text-3)}

/* ============ 继续查看 ============ */
.more-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.more-card{
  display:flex;flex-direction:column;gap:8px;
  padding:20px 22px;border-radius:var(--r-md);
  background:var(--card);border:1px solid var(--line);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.more-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(255,106,61,.35)}
.more-card .mc-title{font-size:16px;font-weight:600;color:var(--text)}
.more-card:hover .mc-title{color:var(--brand)}
.more-card .mc-desc{font-size:13.5px;color:var(--text-2)}
.more-card .mc-arrow{font-size:13px;color:var(--brand)}

/* ============ 页脚 ============ */
.site-footer{background:#080613;border-top:1px solid var(--line);margin-top:0}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:36px;
  padding:64px 0 44px;
}
.footer-brand p{font-size:14px;color:var(--text-2);line-height:1.8;margin-top:16px;max-width:30em}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text)}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col ul a{font-size:14px;color:var(--text-2)}
.footer-col ul a:hover{color:var(--brand)}
.footer-sub{display:flex;gap:10px;margin-top:14px}
.footer-sub input{
  flex:1 1 auto;min-width:0;height:44px;padding:0 14px;
  border-radius:var(--r-sm);border:1px solid var(--line);
  background:rgba(255,255,255,.04);outline:none;font-size:14px;color:var(--text);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.footer-sub input::placeholder{color:var(--text-3)}
.footer-sub input:focus{border-color:rgba(255,106,61,.6);box-shadow:0 0 0 3px rgba(255,106,61,.18)}
.footer-sub .btn{height:44px;padding:0 20px;font-size:14px}
.footer-note{font-size:12.5px;color:var(--text-3);margin-top:10px}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  padding:22px 0;border-top:1px solid var(--line);
}
.footer-bottom p{font-size:13px;color:var(--text-3)}
.fb-links{display:flex;flex-wrap:wrap;gap:18px}
.fb-links a{font-size:13px;color:var(--text-2)}
.fb-links a:hover{color:var(--brand)}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;right:22px;bottom:26px;z-index:50;
  width:46px;height:46px;border-radius:50%;
  background:var(--panel);border:1px solid var(--line-strong);
  color:var(--text);display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s var(--ease),border-color .22s var(--ease);
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{border-color:rgba(255,106,61,.6);color:var(--brand)}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .more-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1023px){
  .container{padding:0 20px}
  .hotwords{display:none}
  .hero-inner{grid-template-columns:1fr;gap:36px;padding:56px 0 62px}
  .hero-visual{max-width:560px}
  .hero-float{left:auto;right:12px;bottom:-16px}
  .section{padding:72px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .cta-band{padding:38px 32px}
  .check-item{border-right:0;border-bottom:1px solid var(--line)}
  .check-item:last-child{border-bottom:0}
}
@media (max-width:900px){
  .search input{width:140px}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .container{padding:0 16px}
  .topbar-mid{display:none}
  .burger{display:block}
  .nav-list{gap:2px}
  .nav-link{padding:6px 10px;font-size:14px}
  .section{padding:56px 0}
  .section-head{margin-bottom:26px}
  .tl-item{grid-template-columns:52px 1fr;gap:16px;padding-bottom:28px}
  .tl-item::before{left:25px;top:56px}
  .tl-dot{width:52px;height:52px;border-radius:16px;font-size:17px}
  .tl-card{padding:20px}
  .pit-grid{grid-template-columns:1fr}
  .more-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;padding:48px 0 34px}
  .footer-sub{flex-direction:column}
  .footer-sub .btn{width:100%}
  .cta-band{padding:30px 22px}
  .cta-band .btn{width:100%}
  .hero-actions .btn{width:100%}
  .hero-actions{gap:12px}
  .hero-float{position:static;margin-top:16px;left:auto;right:auto;bottom:auto;animation:none}
  .page-hero{padding-bottom:0}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
  --bg:#0B0918;
  --bg-2:#120F24;
  --card:#171331;
  --float:#1F1A3D;
  --line:rgba(255,255,255,.09);
  --primary:#FF6A3D;
  --primary-2:#FF9A5C;
  --teal:#22D3B8;
  --gold:#FFC44D;
  --danger:#FF5A6E;
  --text:#F4F2FF;
  --text-2:#ACA6CB;
  --text-3:#726C90;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:18px;
  --r-pill:999px;
  --sh-card:0 10px 30px rgba(0,0,0,.35);
  --sh-hover:0 16px 40px rgba(0,0,0,.45);
  --container:1200px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Barlow","DIN Alternate","Inter","PingFang SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
body.nav-open{overflow:hidden;}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease-out;}
a:hover{color:var(--primary-2);}
button{font-family:inherit;cursor:pointer;}
input{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;line-height:1.3;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
::selection{background:rgba(255,106,61,.35);}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.container-wide{max-width:1280px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:70;
  background:rgba(11,9,24,.94);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:background .24s ease-out;
}
.topbar{
  display:flex;
  align-items:center;
  gap:22px;
  height:64px;
  transition:height .24s ease-out;
}
.site-header.is-scrolled .topbar{height:56px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:#1A0C05;font-weight:700;font-size:16px;
  box-shadow:0 6px 18px rgba(255,106,61,.28);
  transition:transform .24s ease-out;
}
.site-header.is-scrolled .brand-mark{transform:scale(.9);}
.brand-text{
  font-size:17px;font-weight:700;color:var(--text);white-space:nowrap;
}
.topbar-mid{
  display:flex;align-items:center;gap:18px;
  margin-left:auto;min-width:0;flex:1 1 auto;justify-content:flex-end;
}
.hotwords{
  display:flex;align-items:center;gap:8px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
  max-width:520px;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 18px,#000 calc(100% - 18px),transparent);
  mask-image:linear-gradient(90deg,transparent,#000 18px,#000 calc(100% - 18px),transparent);
}
.hotwords::-webkit-scrollbar{display:none;}
.hotword{
  flex:0 0 auto;
  font-size:13px;
  color:var(--text-2);
  padding:5px 12px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.02);
  white-space:nowrap;
  transition:color .2s ease-out,border-color .2s ease-out,background .2s ease-out;
}
.hotword:hover{color:var(--primary);border-color:rgba(255,106,61,.45);background:rgba(255,106,61,.08);}
.search{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 16px;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  color:var(--text-3);
  flex:0 0 260px;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.search:focus-within{border-color:rgba(255,106,61,.6);box-shadow:0 0 0 3px rgba(255,106,61,.16);}
.search input{
  flex:1;min-width:0;background:none;border:0;outline:none;
  color:var(--text);font-size:14px;
}
.search input::placeholder{color:var(--text-3);}
.burger{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--line);border-radius:12px;
}
.burger span{position:relative;display:block;width:18px;height:2px;background:var(--text);border-radius:2px;}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;
  transition:transform .24s ease-out;
}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}

.navbar{border-top:1px solid var(--line);}
.nav-list{display:flex;align-items:center;gap:28px;height:46px;}
.nav-link{
  position:relative;
  display:inline-block;
  font-size:15px;
  color:var(--text-2);
  padding:0 2px;
  line-height:46px;
  transition:color .2s ease-out;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--primary-2));
  transform:scaleX(0);transform-origin:left;transition:transform .22s ease-out;
}
.nav-link:hover{color:var(--text);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--primary);font-weight:600;}
.nav-link.active::after{transform:scaleX(1);}

/* ---------- page head ---------- */
.page-head{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--line);
  background:
    linear-gradient(180deg,rgba(11,9,24,.55) 0%,rgba(11,9,24,.92) 62%,var(--bg) 100%),
    url("/assets/images/backpic/back-1.png") center/cover no-repeat;
}
.page-head .container{position:relative;z-index:2;padding-top:34px;padding-bottom:56px;}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);}
.crumbs a{color:var(--text-2);}
.crumbs a:hover{color:var(--primary);}
.crumbs span.sep{color:var(--text-3);}
.crumbs .current{color:var(--text);}
.page-head h1{
  margin-top:22px;
  font-size:clamp(28px,4.4vw,46px);
  line-height:1.25;
}
.page-lead{
  margin-top:14px;
  max-width:38em;
  color:var(--text-2);
  font-size:16px;
}
.head-meta{
  margin-top:22px;
  display:flex;flex-wrap:wrap;gap:10px;
}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;
  padding:5px 12px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  color:var(--text-2);
}
.tag-teal{color:var(--teal);background:rgba(34,211,184,.1);border-color:rgba(34,211,184,.28);}
.tag-gold{color:var(--gold);background:rgba(255,196,77,.1);border-color:rgba(255,196,77,.28);}
.tag-primary{color:var(--primary);background:rgba(255,106,61,.1);border-color:rgba(255,106,61,.3);}

/* ---------- sections ---------- */
main{display:block;}
.section{padding:96px 0;}
.section-sm{padding:64px 0;}
.section-head{margin-bottom:30px;max-width:760px;}
.section-head h2{font-size:clamp(22px,2.8vw,32px);}
.section-head p{margin-top:12px;color:var(--text-2);font-size:15.5px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;color:var(--primary);letter-spacing:.06em;
  margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--primary),var(--primary-2));}

/* ---------- filter bar ---------- */
.filter-wrap{
  position:sticky;top:103px;z-index:40;
  background:rgba(11,9,24,.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:14px 0;
}
.filter-bar{display:flex;align-items:center;gap:10px;overflow-x:auto;scrollbar-width:none;}
.filter-bar::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;
  display:inline-flex;align-items:center;gap:6px;
  height:36px;padding:0 16px;
  font-size:14px;
  color:var(--text-2);
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  transition:color .2s ease-out,background .2s ease-out,border-color .2s ease-out,transform .2s ease-out;
}
.chip:hover{color:var(--text);border-color:rgba(255,106,61,.4);transform:translateY(-2px);}
.chip.is-active{
  color:#1A0C05;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  border-color:transparent;
  font-weight:600;
}
.chip .dot{width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.8;}

/* ---------- big card stream ---------- */
.card-stream{display:flex;flex-direction:column;gap:26px;}
.big-card{
  display:grid;
  grid-template-columns:40% 60%;
  gap:0;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-card);
  transition:transform .26s ease-out,box-shadow .26s ease-out,border-color .26s ease-out;
}
.big-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(255,106,61,.3);}
.big-card--alt{grid-template-columns:60% 40%;margin-top:8px;}
.big-card--alt .bc-media{order:2;}
.big-card--alt .bc-body{order:1;}
.bc-media{
  position:relative;
  aspect-ratio:16/11;
  background:var(--bg-2);
  overflow:hidden;
}
.bc-media img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  transition:transform .6s ease-out;
}
.big-card:hover .bc-media img{transform:scale(1.04);}
.bc-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(11,9,24,.55),rgba(11,9,24,0) 60%);
}
.bc-body{padding:28px 30px;display:flex;flex-direction:column;gap:14px;}
.bc-top{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.bc-body h3{font-size:20px;line-height:1.4;}
.bc-body p{color:var(--text-2);font-size:15px;line-height:1.8;}
.bc-facts{
  display:flex;flex-wrap:wrap;gap:8px 20px;
  font-size:13.5px;color:var(--text-3);
}
.bc-facts b{color:var(--text-2);font-weight:500;}
.bc-foot{
  margin-top:auto;
  padding-top:16px;
  border-top:1px dashed var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
}
.bc-time{font-size:13.5px;color:var(--text-3);font-family:var(--font-num);font-variant-numeric:tabular-nums;}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:600;
  padding:4px 11px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
}
.badge-live{color:var(--teal);background:rgba(34,211,184,.12);border-color:rgba(34,211,184,.3);}
.badge-soon{color:var(--gold);background:rgba(255,196,77,.12);border-color:rgba(255,196,77,.3);}
.badge-end{color:var(--text-3);background:rgba(255,255,255,.05);border-color:var(--line);}
.badge-live .dot,.badge-soon .dot{width:6px;height:6px;border-radius:50%;background:currentColor;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;
  font-size:15px;font-weight:600;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,color .2s ease-out,border-color .2s ease-out;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:#1A0C05;
  box-shadow:0 6px 18px rgba(255,106,61,.24);
}
.btn-primary:hover{color:#1A0C05;transform:translateY(-2px);box-shadow:0 10px 30px rgba(255,106,61,.32);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;color:var(--text);
  border-color:var(--line);
}
.btn-ghost:hover{color:var(--primary);background:rgba(255,106,61,.08);border-color:rgba(255,106,61,.45);}
.btn-lg{height:52px;padding:0 32px;font-size:16px;}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{
  outline:3px solid rgba(255,106,61,.4);
  outline-offset:2px;
}

/* ---------- stage bar ---------- */
.stage-panel{
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:32px;
}
.stage-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;}
.stage-head h2{font-size:clamp(20px,2.4vw,28px);}
.stage-num{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:46px;line-height:1.05;font-weight:700;
  color:var(--gold);
}
.stage-num small{font-size:14px;color:var(--text-3);margin-left:6px;font-weight:500;}
.stage-track{
  margin-top:30px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
  position:relative;
}
.stage-track::before{
  content:"";position:absolute;left:14px;right:14px;top:13px;height:2px;
  background:linear-gradient(90deg,rgba(255,106,61,.75),rgba(34,211,184,.5),rgba(255,255,255,.08));
}
.stage-node{position:relative;padding-top:40px;}
.stage-node::before{
  content:"";position:absolute;top:5px;left:0;
  width:18px;height:18px;border-radius:50%;
  background:var(--card);
  border:2px solid rgba(255,255,255,.18);
}
.stage-node.is-done::before{background:var(--primary);border-color:var(--primary);box-shadow:0 0 0 5px rgba(255,106,61,.16);}
.stage-node.is-current::before{background:var(--teal);border-color:var(--teal);box-shadow:0 0 0 5px rgba(34,211,184,.16);}
.stage-node h4{font-size:15.5px;font-weight:600;}
.stage-node p{margin-top:6px;font-size:13.5px;color:var(--text-3);line-height:1.7;}

/* ---------- tips ---------- */
.tips{border-top:1px solid var(--line);}
.tip-row{
  display:grid;
  grid-template-columns:64px 1fr auto;
  align-items:center;
  gap:18px;
  padding:22px 8px;
  border-bottom:1px solid var(--line);
  transition:background .2s ease-out,padding-left .2s ease-out;
}
.tip-row:hover{background:rgba(255,255,255,.025);padding-left:16px;}
.tip-num{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:20px;font-weight:700;color:var(--primary);
}
.tip-row h3{font-size:16px;font-weight:600;}
.tip-row p{margin-top:4px;color:var(--text-2);font-size:14.5px;}
.tip-arrow{color:var(--text-3);font-size:18px;transition:transform .2s ease-out,color .2s ease-out;}
.tip-row:hover .tip-arrow{color:var(--primary);transform:translateX(4px);}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  border:1px solid rgba(255,106,61,.35);
  border-radius:var(--r-lg);
  background:
    radial-gradient(120% 140% at 12% 0%,rgba(255,106,61,.22),rgba(255,106,61,0) 55%),
    linear-gradient(135deg,var(--float),var(--bg-2));
  padding:52px 40px;
  text-align:center;
}
.cta-band h2{font-size:clamp(22px,2.8vw,30px);}
.cta-band p{margin-top:12px;color:var(--text-2);font-size:15.5px;}
.cta-actions{margin-top:26px;display:flex;justify-content:center;gap:14px;flex-wrap:wrap;}
.cta-note{margin-top:18px;font-size:13px;color:var(--text-3);}

/* ---------- footer ---------- */
.site-footer{
  margin-top:96px;
  background:#080614;
  border-top:1px solid var(--line);
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:40px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{color:var(--text-2);font-size:14.5px;line-height:1.8;max-width:34em;}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{color:var(--text-2);font-size:14.5px;}
.footer-col ul a:hover{color:var(--primary);}
.footer-sub{display:flex;gap:10px;margin-top:14px;}
.footer-sub input{
  flex:1;min-width:0;height:44px;padding:0 14px;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  color:var(--text);font-size:14px;
  outline:none;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.footer-sub input::placeholder{color:var(--text-3);}
.footer-sub input:focus{border-color:rgba(255,106,61,.6);box-shadow:0 0 0 3px rgba(255,106,61,.16);}
.footer-note{margin-top:10px;font-size:13px;color:var(--text-3);}
.footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13.5px;color:var(--text-3);}
.fb-links{display:flex;gap:18px;flex-wrap:wrap;}
.fb-links a{font-size:13.5px;color:var(--text-2);}
.fb-links a:hover{color:var(--primary);}

/* ---------- back to top ---------- */
.to-top{
  position:fixed;right:22px;bottom:22px;z-index:60;
  width:46px;height:46px;border-radius:50%;
  display:none;place-items:center;
  background:var(--float);
  border:1px solid var(--line);
  color:var(--text-2);
  box-shadow:var(--sh-card);
  transition:transform .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.to-top:hover{color:var(--primary);border-color:rgba(255,106,61,.45);transform:translateY(-2px);}
.to-top.is-show{display:grid;}

/* ---------- empty state ---------- */
.empty-state{
  display:none;
  text-align:center;
  padding:56px 24px;
  border:1px dashed var(--line);
  border-radius:var(--r-lg);
  background:var(--bg-2);
}
.empty-state .ico{
  width:52px;height:52px;margin:0 auto 14px;border-radius:16px;
  display:grid;place-items:center;
  background:rgba(255,106,61,.1);color:var(--primary);font-size:22px;
}
.empty-state p{color:var(--text-2);font-size:15px;}
.empty-state .btn{margin-top:18px;}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;}
  .footer-col:last-child{grid-column:1 / -1;max-width:520px;}
}
@media (max-width:1023px){
  .section{padding:76px 0;}
  .hotwords{max-width:320px;}
  .big-card,.big-card--alt{grid-template-columns:1fr;}
  .big-card--alt{margin-top:0;}
  .big-card--alt .bc-media{order:1;}
  .big-card--alt .bc-body{order:2;}
  .bc-media{aspect-ratio:16/9;}
  .stage-track{grid-template-columns:repeat(2,1fr);row-gap:26px;}
  .stage-track::before{display:none;}
}
@media (max-width:960px){
  .topbar-mid{display:none;}
  .burger{display:inline-flex;margin-left:auto;}
  .navbar{
    position:fixed;
    top:0;right:0;
    height:100vh;
    width:284px;
    padding:84px 20px 28px;
    background:var(--bg-2);
    border-top:0;
    border-left:1px solid var(--line);
    transform:translateX(102%);
    transition:transform .28s ease-out;
    z-index:80;
    overflow-y:auto;
  }
  body.nav-open .navbar{transform:translateX(0);}
  .nav-list{flex-direction:column;align-items:stretch;gap:4px;height:auto;}
  .nav-link{line-height:1.4;padding:13px 12px;border-radius:12px;font-size:16px;}
  .nav-link::after{display:none;}
  .nav-link.active{background:rgba(255,106,61,.12);}
  .filter-wrap{top:64px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .section-sm{padding:44px 0;}
  .page-head .container{padding-top:26px;padding-bottom:44px;}
  .page-lead{font-size:15.5px;line-height:1.8;}
  .bc-body{padding:22px 20px;}
  .bc-body h3{font-size:18px;}
  .bc-foot{flex-direction:column;align-items:flex-start;}
  .stage-panel{padding:22px 18px;}
  .tip-row{grid-template-columns:44px 1fr;gap:12px;padding:18px 4px;}
  .tip-arrow{display:none;}
  .cta-band{padding:36px 20px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-sub{flex-direction:column;}
  .footer-sub .btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .to-top{right:14px;bottom:14px;}
}
@media (max-width:575px){
  .brand-text{font-size:15.5px;}
  .filter-wrap{top:60px;}
  .stage-num{font-size:38px;}
  .stage-track{grid-template-columns:1fr;}
}

/* roulang page: category3 */
:root{
  --bg:#0B0918;
  --bg-2:#120F24;
  --card:#171331;
  --raise:#1F1A3D;
  --line:rgba(255,255,255,.09);
  --primary:#FF6A3D;
  --primary-2:#FF9A5C;
  --teal:#22D3B8;
  --gold:#FFC44D;
  --danger:#FF5A6E;
  --text:#F4F2FF;
  --text-2:#ACA6CB;
  --text-3:#726C90;
  --r-s:10px;
  --r-m:14px;
  --r-l:18px;
  --r-p:999px;
  --sh:0 10px 30px rgba(0,0,0,.35);
  --sh-h:0 16px 40px rgba(0,0,0,.45);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Barlow","DIN Alternate","Inter",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--primary);text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;letter-spacing:.01em}
p{margin:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
:focus-visible{outline:3px solid rgba(255,106,61,.4);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.container-wide{max-width:1280px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(11,9,24,.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .24s ease-out,box-shadow .24s ease-out;
}
.site-header.is-stuck{box-shadow:0 12px 30px rgba(0,0,0,.42)}
.topbar{display:flex;align-items:center;gap:18px;height:64px;transition:height .24s ease-out}
.site-header.is-stuck .topbar{height:56px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:#1a0c06;font-weight:700;font-size:16px;
  transition:width .24s ease-out,height .24s ease-out,font-size .24s ease-out;
}
.site-header.is-stuck .brand-mark{width:30px;height:30px;font-size:14px}
.brand-text{color:var(--text);font-weight:700;font-size:16px;white-space:nowrap}
.topbar-mid{margin-left:auto;display:flex;align-items:center;gap:16px;min-width:0;flex:1 1 auto;justify-content:flex-end}
.hotwords{
  display:flex;align-items:center;gap:8px;overflow-x:auto;max-width:520px;
  scrollbar-width:none;-ms-overflow-style:none;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 14px,#000 calc(100% - 14px),transparent);
  mask-image:linear-gradient(90deg,transparent,#000 14px,#000 calc(100% - 14px),transparent);
  padding:4px 6px;
}
.hotwords::-webkit-scrollbar{display:none}
.hotword{
  flex:0 0 auto;font-size:13px;line-height:1;padding:8px 12px;border-radius:var(--r-p);
  color:var(--text-2);border:1px solid var(--line);background:rgba(255,255,255,.02);
  transition:color .2s ease-out,border-color .2s ease-out,background .2s ease-out;
}
.hotword:hover{color:var(--primary);border-color:rgba(255,106,61,.45);background:rgba(255,106,61,.08)}
.search{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-p);
  color:var(--text-3);transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.search:focus-within{border-color:rgba(255,106,61,.6);box-shadow:0 0 0 3px rgba(255,106,61,.16)}
.search input{background:transparent;border:0;outline:none;color:var(--text);font-size:14px;width:200px;min-width:0}
.search input::placeholder{color:var(--text-3)}
.burger{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-s);
  position:relative;margin-left:auto;background:rgba(255,255,255,.02);
}
.burger span,.burger span::before,.burger span::after{
  position:absolute;left:50%;width:18px;height:2px;border-radius:2px;background:var(--text);
  transform:translateX(-50%);transition:transform .22s ease-out,opacity .22s ease-out;
}
.burger span{top:50%;margin-top:-1px}
.burger span::before{content:"";left:0;transform:none;top:-6px}
.burger span::after{content:"";left:0;transform:none;top:6px}
.navbar{border-top:1px solid var(--line)}
.nav-list{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none}
.nav-list::-webkit-scrollbar{display:none}
.nav-link{
  display:block;position:relative;padding:12px 14px;font-size:15px;color:var(--text-2);
  white-space:nowrap;transition:color .2s ease-out;
}
.nav-link:hover{color:var(--text)}
.nav-link.active{color:var(--primary);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;
  border-radius:2px;background:var(--primary);
}
.drawer{
  position:fixed;top:0;right:-320px;width:300px;max-width:86vw;height:100%;
  background:var(--bg-2);border-left:1px solid var(--line);z-index:80;
  padding:22px 20px 32px;overflow-y:auto;transition:right .28s ease-out;
}
.drawer.open{right:0}
.drawer-mask{
  position:fixed;inset:0;background:rgba(4,3,10,.6);z-index:70;
  opacity:0;pointer-events:none;transition:opacity .24s ease-out;
}
.drawer-mask.open{opacity:1;pointer-events:auto}
.drawer-title{font-size:13px;color:var(--text-3);margin:18px 0 10px}
.drawer-links{display:flex;flex-direction:column;gap:6px}
.drawer-links a{
  display:block;padding:12px 14px;border-radius:var(--r-s);color:var(--text-2);
  border:1px solid transparent;transition:all .2s ease-out;font-size:15px;
}
.drawer-links a:hover,.drawer-links a.active{
  color:var(--primary);border-color:rgba(255,106,61,.3);background:rgba(255,106,61,.07);
}
.drawer-hot{display:flex;flex-wrap:wrap;gap:8px}
.drawer .search{width:100%;margin-top:4px}
.drawer .search input{width:100%}

/* ---------- buttons / badges ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-p);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .22s ease-out,box-shadow .22s ease-out,background .22s ease-out,filter .22s ease-out;
}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#1a0c06;box-shadow:0 8px 22px rgba(255,106,61,.2)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 10px 30px rgba(255,106,61,.28)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:rgba(255,106,61,.42);color:var(--primary)}
.btn-ghost:hover{background:rgba(255,106,61,.08);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-lg{height:52px;padding:0 34px;font-size:16px}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
.link-more{color:var(--primary);font-size:14px;position:relative;padding-bottom:2px}
.link-more::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--primary);transition:width .22s ease-out}
.link-more:hover::after{width:100%}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;line-height:1;padding:7px 12px;border-radius:var(--r-p);font-weight:600;
}
.badge-gold{color:var(--gold);background:rgba(255,196,77,.1)}
.badge-teal{color:var(--teal);background:rgba(34,211,184,.1)}
.badge-primary{color:var(--primary);background:rgba(255,106,61,.1)}
.badge-muted{color:var(--text-2);background:rgba(255,255,255,.06)}

/* ---------- hero ---------- */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);padding:36px 0 72px}
.page-hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.3;filter:saturate(.85);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,9,24,.7),rgba(11,9,24,.94) 66%,var(--bg));
}
.page-hero .container{position:relative;z-index:2}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px;flex-wrap:wrap}
.crumbs a{color:var(--text-3)}
.crumbs a:hover{color:var(--primary)}
.crumbs span.sep{color:var(--text-3);opacity:.6}
.crumbs .cur{color:var(--text-2)}
.page-hero h1{
  font-size:clamp(28px,4.4vw,46px);line-height:1.25;margin:16px 0 14px;max-width:22ch;
}
.hero-sub{color:var(--text-2);font-size:17px;max-width:36ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-points li{
  font-size:13px;color:var(--text-2);padding:8px 14px;border-radius:var(--r-p);
  border:1px solid var(--line);background:rgba(255,255,255,.02);
}

/* ---------- sections ---------- */
.section{padding:96px 0}
.section-alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{margin-bottom:32px;max-width:640px}
.sec-head h2{font-size:clamp(22px,2.8vw,32px);line-height:1.3;margin-bottom:12px}
.sec-head p{color:var(--text-2);font-size:15.5px}
.sec-head-split{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;max-width:none}

/* ---------- cards ---------- */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-l);
  box-shadow:var(--sh);transition:transform .26s ease-out,box-shadow .26s ease-out,border-color .26s ease-out;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:rgba(255,106,61,.3)}
.card-figure{overflow:hidden;border-radius:var(--r-l) var(--r-l) 0 0;aspect-ratio:16/9;background:var(--raise)}
.card-figure img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease-out}
.card:hover .card-figure img{transform:scale(1.04)}
.card-body{padding:26px}
.card-body h3{font-size:19px;margin-bottom:10px}
.card-text{color:var(--text-2);font-size:15px;line-height:1.85}

/* ---------- reward asymmetric grid ---------- */
.reward-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:24px}
.reward-card--lg{grid-row:span 2;display:flex;flex-direction:column}
.reward-card{padding:26px;display:flex;flex-direction:column;gap:12px}
.reward-card h3{font-size:19px}
.reward-grid .reward-card--lg{padding:0}
.reward-card--lg .card-body{padding:26px;display:flex;flex-direction:column;gap:12px;flex:1}
.stat-row{display:flex;flex-wrap:wrap;gap:32px;margin-top:6px}
.stat{display:flex;align-items:baseline;gap:8px}
.stat-num{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:clamp(38px,5vw,58px);font-weight:700;line-height:1.05;color:var(--gold);
}
.reward-card .stat-num{font-size:clamp(32px,4vw,42px);color:var(--primary-2)}
.stat-unit{font-size:13px;color:var(--text-2)}
.progress-wrap{margin-top:auto;padding-top:16px}
.progress-head{display:flex;justify-content:space-between;font-size:13px;color:var(--text-2);margin-bottom:8px}
.progress-val{font-family:var(--font-num);font-variant-numeric:tabular-nums;color:var(--text)}
.progress{height:10px;border-radius:var(--r-p);background:rgba(255,255,255,.08);overflow:hidden}
.progress i{display:block;height:100%;border-radius:var(--r-p);background:linear-gradient(90deg,var(--primary),var(--primary-2))}
.progress.teal i{background:linear-gradient(90deg,var(--teal),#5BE7D3)}
.tip-line{margin-top:18px;font-size:13px;color:var(--text-3)}

/* ---------- layer list (2 big + 4 mini) ---------- */
.layer-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.layer-card{display:grid;grid-template-columns:200px 1fr;overflow:hidden;padding:0}
.layer-figure{overflow:hidden;background:var(--raise);height:100%}
.layer-figure img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease-out}
.layer-card:hover .layer-figure img{transform:scale(1.04)}
.layer-body{padding:26px;display:flex;flex-direction:column;gap:10px}
.layer-body h3{font-size:19px}
.mini-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:24px}
.mini-card{padding:22px;display:flex;flex-direction:column;gap:10px}
.mini-dot{
  width:34px;height:34px;border-radius:var(--r-s);display:grid;place-items:center;
  background:rgba(34,211,184,.1);color:var(--teal);font-family:var(--font-num);font-weight:700;font-size:14px;
}
.mini-card h3{font-size:16px}
.mini-card p{color:var(--text-2);font-size:14px;line-height:1.8}

/* ---------- flow ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative}
.flow::before{
  content:"";position:absolute;top:26px;left:6%;right:6%;height:1px;
  background:linear-gradient(90deg,rgba(255,106,61,.45),rgba(34,211,184,.35));z-index:0;
}
.flow-step{position:relative;z-index:1;background:var(--card);border:1px solid var(--line);border-radius:var(--r-m);padding:52px 22px 24px;box-shadow:var(--sh)}
.flow-num{
  position:absolute;top:-1px;left:22px;transform:translateY(-50%);
  width:52px;height:52px;border-radius:var(--r-p);display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:#1a0c06;font-family:var(--font-num);font-weight:700;font-size:16px;
  box-shadow:0 8px 22px rgba(255,106,61,.24);
}
.flow-step h3{font-size:17px;margin-bottom:8px}
.flow-step p{color:var(--text-2);font-size:14px;line-height:1.8}

/* ---------- progress panel ---------- */
.panel{
  background:linear-gradient(135deg,rgba(255,106,61,.09),rgba(34,211,184,.05)),var(--card);
  border:1px solid var(--line);border-radius:var(--r-l);padding:40px;box-shadow:var(--sh);
}
.panel-top{display:flex;flex-wrap:wrap;gap:24px;justify-content:space-between;align-items:flex-end;margin-bottom:26px}
.panel-label{font-size:13px;color:var(--text-3);margin-bottom:6px}
.panel-value{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:clamp(40px,6vw,64px);font-weight:700;line-height:1.05;color:var(--primary-2)}
.panel-next{text-align:right;font-size:14px;color:var(--text-2)}
.panel-next b{display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:20px;color:var(--gold);font-weight:700;margin-top:6px}
.nodes{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:26px}
.node{font-size:13px;color:var(--text-3);text-align:center;position:relative;padding-top:18px}
.node::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:12px;height:12px;border-radius:var(--r-p);background:rgba(255,255,255,.14);
}
.node.done{color:var(--text-2)}
.node.done::before{background:var(--teal)}
.node.current{color:var(--primary);font-weight:600}
.node.current::before{background:var(--primary);box-shadow:0 0 0 5px rgba(255,106,61,.16)}

/* ---------- faq ---------- */
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-m);background:var(--card);
  margin-bottom:12px;overflow:hidden;transition:border-color .2s ease-out;
}
.faq-item:hover{border-color:rgba(255,106,61,.28)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;display:flex;align-items:center;
  justify-content:space-between;gap:16px;font-size:16px;font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";color:var(--primary);font-size:20px;line-height:1;flex:0 0 auto;
  transition:transform .18s ease-out;
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg)}
.faq-body{padding:0 22px 22px;color:var(--text-2);font-size:15px;line-height:1.7;max-width:46em}

/* ---------- channel nav ---------- */
.channel-nav{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.channel-item{
  display:block;padding:20px;border:1px solid var(--line);border-radius:var(--r-m);
  background:var(--card);transition:all .24s ease-out;
}
.channel-item:hover{border-color:rgba(255,106,61,.35);transform:translateY(-4px);box-shadow:var(--sh-h)}
.channel-item strong{display:block;font-size:16px;color:var(--text);margin-bottom:6px}
.channel-item span{font-size:13px;color:var(--text-3)}
.channel-item:hover strong{color:var(--primary)}

/* ---------- cta ---------- */
.cta-band{
  border:1px solid rgba(255,106,61,.32);border-radius:var(--r-l);
  background:linear-gradient(135deg,rgba(255,106,61,.14),rgba(34,211,184,.06)),var(--card);
  padding:52px 32px;text-align:center;
}
.cta-band h2{font-size:clamp(22px,2.8vw,30px);margin-bottom:12px}
.cta-band p{color:var(--text-2);font-size:15.5px;max-width:44ch;margin:0 auto}
.cta-band .btn{margin-top:28px}
.cta-note{margin-top:16px;font-size:13px;color:var(--text-3)}

/* ---------- footer ---------- */
.site-footer{background:#080612;border-top:1px solid var(--line);padding-top:64px;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{color:var(--text-2);font-size:14px;line-height:1.8;max-width:36ch}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text)}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{color:var(--text-2);font-size:14px;transition:color .2s ease-out}
.footer-col a:hover{color:var(--primary)}
.footer-sub{display:flex;gap:8px;margin-top:14px}
.footer-sub input{
  flex:1;min-width:0;height:44px;padding:0 14px;border-radius:var(--r-s);
  background:var(--bg-2);border:1px solid var(--line);color:var(--text);font-size:14px;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.footer-sub input::placeholder{color:var(--text-3)}
.footer-sub input:focus{outline:none;border-color:rgba(255,106,61,.6);box-shadow:0 0 0 3px rgba(255,106,61,.16)}
.footer-sub .btn{height:44px;padding:0 18px;font-size:14px}
.footer-note{margin-top:10px;font-size:13px;color:var(--text-3)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:44px;padding:20px 0 28px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.fb-links{display:flex;gap:18px;flex-wrap:wrap}
.fb-links a{color:var(--text-3)}
.fb-links a:hover{color:var(--primary)}

/* ---------- responsive ---------- */
@media (max-width:1099px){
  .hotwords{max-width:340px}
  .search input{width:150px}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .topbar-mid{display:none}
  .burger{display:block}
  .reward-grid{grid-template-columns:1fr}
  .reward-card--lg{grid-row:auto}
  .layer-grid{grid-template-columns:1fr}
  .mini-grid{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr)}
  .flow::before{display:none}
  .channel-nav{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .page-hero{padding:26px 0 56px}
  .flow{grid-template-columns:1fr}
  .flow-step{padding:48px 20px 22px}
  .panel{padding:28px 22px}
  .panel-next{text-align:left}
  .nodes{grid-template-columns:repeat(2,1fr);gap:16px}
  .cta-band{padding:38px 20px}
  .layer-card{grid-template-columns:1fr}
  .layer-figure{aspect-ratio:16/9}
}
@media (max-width:575px){
  body{font-size:15.5px;line-height:1.8}
  .section{padding:56px 0}
  .mini-grid{grid-template-columns:1fr}
  .channel-nav{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .btn{height:44px;padding:0 20px}
  .btn-lg{height:48px;width:100%}
  .stat-row{gap:22px}
  .footer-sub{flex-direction:column}
  .footer-sub .btn{width:100%}
}

/* roulang page: category4 */
:root{
  --bg:#0B0918;
  --bg-2:#120F24;
  --card:#171331;
  --card-2:#1F1A3D;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.16);
  --primary:#FF6A3D;
  --primary-2:#FF9A5C;
  --accent:#22D3B8;
  --gold:#FFC44D;
  --danger:#FF5A6E;
  --text:#F4F2FF;
  --text-2:#ACA6CB;
  --text-3:#726C90;
  --r-s:10px;
  --r-m:14px;
  --r-l:18px;
  --r-p:999px;
  --sh-card:0 10px 30px rgba(0,0,0,.35);
  --sh-hover:0 16px 40px rgba(0,0,0,.45);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Barlow","DIN Alternate","Inter","PingFang SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--primary);text-decoration:none;transition:color .2s ease-out,opacity .2s ease-out}
a:hover{color:var(--primary-2)}
button,input{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:3px solid rgba(255,106,61,.4);outline-offset:2px;border-radius:6px}
::selection{background:rgba(255,106,61,.35)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.container-wide{max-width:1280px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(11,9,24,.72);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background .24s ease-out,border-color .24s ease-out;
}
.site-header.scrolled{
  background:rgba(11,9,24,.92);
  border-bottom-color:var(--line);
}
.topbar{
  display:flex;align-items:center;gap:22px;
  height:62px;
  transition:height .24s ease-out;
}
.site-header.scrolled .topbar{height:54px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:32px;height:32px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:#1A0E06;font-weight:700;font-size:16px;
  box-shadow:0 6px 18px rgba(255,106,61,.25);
  transition:transform .24s ease-out;
}
.site-header.scrolled .brand-mark{transform:scale(.92)}
.brand-text{
  font-size:16px;font-weight:700;color:var(--text);letter-spacing:.01em;white-space:nowrap;
  transition:font-size .24s ease-out;
}
.site-header.scrolled .brand-text{font-size:15px}
.topbar-mid{
  display:flex;align-items:center;gap:16px;flex:1;min-width:0;justify-content:flex-end;
}
.hotwords{
  display:flex;align-items:center;gap:8px;
  overflow-x:auto;scrollbar-width:none;max-width:520px;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 14px,#000 calc(100% - 14px),transparent);
  mask-image:linear-gradient(90deg,transparent,#000 14px,#000 calc(100% - 14px),transparent);
  padding:4px 6px;
}
.hotwords::-webkit-scrollbar{display:none}
.hotword{
  flex:none;padding:5px 13px;border-radius:var(--r-p);
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  color:var(--text-2);font-size:13px;line-height:1.6;white-space:nowrap;
  transition:all .2s ease-out;
}
.hotword:hover{
  color:var(--primary);border-color:rgba(255,106,61,.4);background:rgba(255,106,61,.08);
}
.search{
  position:relative;display:flex;align-items:center;gap:8px;
  height:40px;min-width:230px;padding:0 16px;
  border-radius:var(--r-p);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  color:var(--text-3);
  transition:border-color .2s ease-out,background .2s ease-out,box-shadow .2s ease-out;
}
.search:focus-within{
  border-color:rgba(255,106,61,.6);
  background:rgba(255,255,255,.06);
  box-shadow:0 0 0 3px rgba(255,106,61,.18);
}
.search input{
  flex:1;min-width:0;height:100%;border:0;background:none;outline:none;
  color:var(--text);font-size:14px;
}
.search input::placeholder{color:var(--text-3)}
.burger{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);align-items:center;justify-content:center;flex:none;
  transition:border-color .2s ease-out,background .2s ease-out;
}
.burger:hover{border-color:rgba(255,106,61,.5)}
.burger span{position:relative;display:block;width:18px;height:2px;background:var(--text);border-radius:2px}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;
  transition:transform .22s ease-out,top .22s ease-out;
}
.burger span::before{top:-6px}
.burger span::after{top:6px}
.navbar{border-top:1px solid var(--line)}
.nav-list{display:flex;align-items:center;gap:6px;height:46px;overflow-x:auto;scrollbar-width:none}
.nav-list::-webkit-scrollbar{display:none}
.nav-link{
  position:relative;display:inline-block;padding:0 14px;line-height:46px;
  color:var(--text-2);font-size:14.5px;font-weight:500;white-space:nowrap;
  transition:color .2s ease-out;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:8px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--primary-2));
  transform:scaleX(0);transform-origin:left;transition:transform .22s ease-out;
}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--primary);font-weight:600}
.nav-link.active::after{transform:scaleX(1)}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;top:0;right:0;z-index:90;
  width:300px;max-width:86vw;height:100%;
  background:var(--bg-2);border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform .28s ease-out;
  padding:20px;overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--text-2);
}
.drawer-close:hover{border-color:rgba(255,106,61,.5);color:var(--primary)}
.drawer .search{min-width:0;width:100%;margin-bottom:18px}
.drawer-nav li{border-bottom:1px solid var(--line)}
.drawer-nav a{display:block;padding:14px 4px;color:var(--text-2);font-size:15px}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--primary)}
.drawer-title{font-size:13px;color:var(--text-3);margin:22px 0 10px;letter-spacing:.04em}
.drawer-hot{display:flex;flex-wrap:wrap;gap:8px;max-width:none;mask-image:none;-webkit-mask-image:none;padding:0}
.drawer-mask{
  position:fixed;inset:0;z-index:80;background:rgba(6,4,16,.62);
  opacity:0;visibility:hidden;transition:opacity .28s ease-out,visibility .28s ease-out;
}
.drawer-mask.show{opacity:1;visibility:visible}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:20px 0 0}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3)}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:var(--text-3);opacity:.6}
.breadcrumb .current{color:var(--text-2)}

/* ---------- 内页首屏 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  margin-top:20px;
  padding:56px 0 52px;
  background-image:linear-gradient(180deg,rgba(11,9,24,.55),rgba(11,9,24,.94)),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(600px 260px at 82% 12%,rgba(255,106,61,.16),transparent 70%),
             radial-gradient(420px 200px at 12% 88%,rgba(34,211,184,.12),transparent 72%);
}
.page-hero .container{position:relative;z-index:2}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 14px;border-radius:var(--r-p);
  background:rgba(34,211,184,.1);color:var(--accent);
  font-size:13px;font-weight:500;letter-spacing:.02em;
}
.page-hero h1{
  margin:18px 0 14px;
  font-size:clamp(28px,4.4vw,46px);
  line-height:1.25;font-weight:700;letter-spacing:.01em;
}
.page-hero .lead{
  max-width:640px;color:var(--text-2);font-size:16px;line-height:1.85;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--r-p);
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  color:var(--text-2);font-size:13px;
}

/* ---------- 板块通用 ---------- */
.sec{padding:96px 0}
.sec-alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:700px;margin-bottom:34px}
.sec-head h2{
  font-size:clamp(22px,2.8vw,32px);line-height:1.3;font-weight:700;letter-spacing:.01em;
}
.sec-head p{margin-top:12px;color:var(--text-2);font-size:15.5px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}

/* ---------- 安全自查 ---------- */
.check-wrap{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);
  gap:48px;align-items:center;
}
.check-media{
  position:relative;margin:0;border-radius:var(--r-l);overflow:hidden;
  border:1px solid var(--line);background:var(--card);
  box-shadow:var(--sh-card);aspect-ratio:16/11;
}
.check-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease-out}
.check-media:hover img{transform:scale(1.04)}
.check-media figcaption{
  position:absolute;left:16px;bottom:14px;right:16px;
  font-size:12.5px;color:rgba(244,242,255,.82);text-shadow:0 2px 8px rgba(0,0,0,.6);
}
.check-body h2{font-size:clamp(22px,2.8vw,32px);line-height:1.3;font-weight:700;margin:14px 0 12px}
.check-body > p{color:var(--text-2);font-size:15.5px;max-width:38em}
.check-list{margin-top:24px;display:grid;gap:14px}
.check-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px 18px;border-radius:var(--r-m);
  background:var(--card);border:1px solid var(--line);
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.check-list li:hover{
  transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(255,106,61,.3);
}
.check-num{
  flex:none;width:30px;height:30px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:14px;font-weight:700;
  background:rgba(255,106,61,.12);color:var(--primary);
}
.check-list h3{font-size:16px;font-weight:600;line-height:1.5;margin-bottom:4px}
.check-list p{font-size:14px;color:var(--text-2);line-height:1.75}

/* ---------- 帮助布局 ---------- */
.help-layout{
  display:grid;grid-template-columns:250px minmax(0,1fr);
  gap:46px;align-items:start;
}
.toc{
  position:sticky;top:132px;
  padding:22px 20px;border-radius:var(--r-l);
  background:var(--card);border:1px solid var(--line);
  box-shadow:var(--sh-card);
}
.toc-title{
  font-size:12.5px;color:var(--text-3);letter-spacing:.08em;margin-bottom:14px;
}
.toc ul{display:grid;gap:4px}
.toc-link{
  position:relative;display:block;padding:9px 12px 9px 18px;border-radius:var(--r-s);
  color:var(--text-2);font-size:14.5px;line-height:1.6;
  transition:color .2s ease-out,background .2s ease-out;
}
.toc-link::before{
  content:"";position:absolute;left:6px;top:50%;transform:translateY(-50%);
  width:3px;height:14px;border-radius:3px;background:transparent;transition:background .2s ease-out;
}
.toc-link:hover{color:var(--text);background:rgba(255,255,255,.04)}
.toc-link.is-active{color:var(--primary);background:rgba(255,106,61,.08)}
.toc-link.is-active::before{background:linear-gradient(180deg,var(--primary),var(--primary-2))}
.toc-help{
  margin-top:18px;padding-top:18px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);line-height:1.7;
}
.toc-fold{display:none}

/* ---------- 分组 FAQ ---------- */
.faq-group{margin-bottom:44px}
.faq-group:last-child{margin-bottom:0}
.group-title{
  display:flex;align-items:center;gap:10px;
  font-size:19px;font-weight:600;line-height:1.4;margin-bottom:18px;
}
.group-title::before{
  content:"";width:4px;height:18px;border-radius:3px;
  background:linear-gradient(180deg,var(--primary),var(--primary-2));
}
.faq{display:grid;gap:12px}
.faq-item{
  border-radius:var(--r-m);background:var(--card);border:1px solid var(--line);
  overflow:hidden;transition:border-color .22s ease-out,box-shadow .22s ease-out,background .22s ease-out;
}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item.open{border-color:rgba(255,106,61,.32);box-shadow:var(--sh-card)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;text-align:left;
  font-size:16px;font-weight:600;line-height:1.6;color:var(--text);
  transition:color .2s ease-out;
}
.faq-item.open .faq-q{color:var(--primary)}
.faq-icon{
  position:relative;flex:none;width:22px;height:22px;border-radius:50%;
  border:1px solid var(--line-strong);
  transition:transform .18s ease-out,border-color .2s ease-out,background .2s ease-out;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:currentColor;border-radius:2px;
  transform:translate(-50%,-50%);transition:opacity .18s ease-out;
}
.faq-icon::before{width:10px;height:1.6px}
.faq-icon::after{width:1.6px;height:10px}
.faq-q:hover .faq-icon{border-color:rgba(255,106,61,.6);color:var(--primary)}
.faq-item.open .faq-icon{transform:rotate(180deg);border-color:rgba(255,106,61,.6);background:rgba(255,106,61,.1);color:var(--primary)}
.faq-item.open .faq-icon::after{opacity:0}
.faq-a{
  display:grid;grid-template-rows:0fr;
  transition:grid-template-rows .24s ease-out;
}
.faq-item.open .faq-a{grid-template-rows:1fr}
.faq-a-inner{overflow:hidden}
.faq-a p{
  max-width:640px;padding:0 22px 20px;
  color:var(--text-2);font-size:14.5px;line-height:1.8;
}
.faq-a .tip{
  display:inline-flex;align-items:center;gap:6px;margin-top:10px;
  font-size:13px;color:var(--gold);
}

/* ---------- CTA 条带 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-l);
  padding:52px 44px;
  background:linear-gradient(135deg,rgba(255,106,61,.16),rgba(34,211,184,.1)),var(--card-2);
  border:1px solid rgba(255,106,61,.28);
  box-shadow:var(--sh-card);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
}
.cta-band h2{font-size:clamp(22px,2.8vw,32px);line-height:1.3;font-weight:700}
.cta-band p{margin-top:10px;color:var(--text-2);font-size:15.5px;max-width:34em}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px}
.cta-note{width:100%;font-size:13px;color:var(--text-3);margin-top:6px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-p);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,border-color .2s ease-out,color .2s ease-out,filter .2s ease-out;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:#1A0E06;
  box-shadow:0 6px 18px rgba(255,106,61,.22);
}
.btn-primary:hover{
  color:#1A0E06;transform:translateY(-2px);filter:brightness(1.05);
  box-shadow:0 10px 30px rgba(255,106,61,.28);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(255,106,61,.2)}
.btn-ghost{
  background:transparent;border-color:rgba(255,106,61,.5);color:var(--primary);
}
.btn-ghost:hover{background:rgba(255,106,61,.08);color:var(--primary-2);border-color:rgba(255,106,61,.7)}
.btn-neutral{background:rgba(255,255,255,.05);border-color:var(--line);color:var(--text-2)}
.btn-neutral:hover{background:rgba(255,255,255,.09);color:var(--text)}
.btn-lg{height:52px;padding:0 32px;font-size:16px}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:0;
  background:#080614;
  border-top:1px solid var(--line);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px;
}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{color:var(--text-2);font-size:14px;line-height:1.8;max-width:22em}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:16px;color:var(--text)}
.footer-col ul{display:grid;gap:11px}
.footer-col a{color:var(--text-2);font-size:14px}
.footer-col a:hover{color:var(--primary)}
.footer-sub{display:flex;gap:8px;margin-top:12px}
.footer-sub input{
  flex:1;min-width:0;height:44px;padding:0 14px;border-radius:var(--r-s);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  color:var(--text);font-size:14px;outline:none;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.footer-sub input::placeholder{color:var(--text-3)}
.footer-sub input:focus{border-color:rgba(255,106,61,.6);box-shadow:0 0 0 3px rgba(255,106,61,.16)}
.footer-sub .btn{height:44px;padding:0 18px}
.footer-note{font-size:13px;color:var(--text-3);margin-top:10px}
.footer-bottom{
  margin-top:52px;padding:22px 0;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
}
.footer-bottom p{font-size:13px;color:var(--text-3)}
.fb-links{display:flex;flex-wrap:wrap;gap:18px}
.fb-links a{font-size:13px;color:var(--text-3)}
.fb-links a:hover{color:var(--primary)}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:50;
  width:46px;height:46px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--card-2);border:1px solid var(--line-strong);color:var(--text-2);
  box-shadow:var(--sh-card);opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .24s ease-out,visibility .24s ease-out,transform .24s ease-out,border-color .2s ease-out,color .2s ease-out;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{border-color:rgba(255,106,61,.6);color:var(--primary)}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .help-layout{grid-template-columns:220px minmax(0,1fr);gap:34px}
}
@media (max-width:1023px){
  .topbar-mid{display:none}
  .burger{display:flex;margin-left:auto}
  .navbar{display:none}
  .sec{padding:72px 0}
  .page-hero{padding:44px 0 40px}
  .check-wrap{grid-template-columns:1fr;gap:32px}
  .check-media{aspect-ratio:16/10}
  .help-layout{grid-template-columns:1fr;gap:26px}
  .toc{display:none}
  .toc-fold{
    display:block;border-radius:var(--r-m);
    background:var(--card);border:1px solid var(--line);overflow:hidden;
  }
  .toc-fold summary{
    list-style:none;cursor:pointer;padding:16px 20px;
    display:flex;align-items:center;justify-content:space-between;
    font-size:15px;font-weight:600;color:var(--text);
  }
  .toc-fold summary::-webkit-details-marker{display:none}
  .toc-fold summary::after{
    content:"";width:8px;height:8px;border-right:2px solid var(--text-3);border-bottom:2px solid var(--text-3);
    transform:rotate(45deg);transition:transform .22s ease-out;margin-left:12px;
  }
  .toc-fold[open] summary::after{transform:rotate(-135deg)}
  .toc-fold .toc-inner{padding:0 14px 16px;border-top:1px solid var(--line)}
  .toc-fold .toc-inner a{
    display:block;padding:12px 6px;border-bottom:1px solid var(--line);
    color:var(--text-2);font-size:14.5px;
  }
  .toc-fold .toc-inner a:last-child{border-bottom:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:40px 30px}
}
@media (max-width:767px){
  .check-list li{padding:14px 15px}
  .faq-q{padding:16px 18px;font-size:15px}
  .faq-a p{padding:0 18px 18px}
  .cta-band{padding:34px 22px;gap:20px}
  .cta-actions .btn{width:100%}
}
@media (max-width:575px){
  body{font-size:15.5px;line-height:1.8}
  .container{padding:0 16px}
  .sec{padding:56px 0}
  .page-hero{padding:36px 0 34px}
  .brand-text{font-size:15px}
  .site-header.scrolled .brand-text{font-size:14.5px}
  .search{min-width:0}
  .btn{height:44px;padding:0 20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .to-top{right:16px;bottom:16px}
  .sec-head{margin-bottom:26px}
}

/* roulang page: category5 */
:root{
  --bg:#0B0918;
  --bg-2:#120F24;
  --surface:#171331;
  --surface-2:#1F1A3D;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.16);
  --primary:#FF6A3D;
  --primary-2:#FF9A5C;
  --cyan:#22D3B8;
  --gold:#FFC44D;
  --danger:#FF5A6E;
  --text:#F4F2FF;
  --text-2:#ACA6CB;
  --text-3:#726C90;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:18px;
  --r-pill:999px;
  --sh-card:0 10px 30px rgba(0,0,0,.35);
  --sh-hover:0 16px 40px rgba(0,0,0,.45);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  letter-spacing:.01em;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--primary-2)}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;line-height:1.3}
p{margin:0}
:focus-visible{outline:3px solid rgba(255,106,61,.4);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.container-wide{max-width:1280px}
.num{font-family:"Barlow","DIN Alternate",Inter,system-ui,sans-serif;font-variant-numeric:tabular-nums}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(11,9,24,.72);
  border-bottom:1px solid transparent;
  transition:background .24s var(--ease),border-color .24s var(--ease),backdrop-filter .24s var(--ease);
}
.site-header.scrolled{
  background:rgba(11,9,24,.92);
  backdrop-filter:blur(10px);
  border-bottom-color:var(--line);
}
.site-header.scrolled .topbar{padding:8px 0}
.site-header.scrolled .brand-mark{width:28px;height:28px;font-size:15px}
.topbar{display:flex;align-items:center;gap:20px;padding:12px 0;transition:padding .24s var(--ease)}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:#1A0A04;font-weight:700;font-size:17px;
  box-shadow:0 6px 18px rgba(255,106,61,.28);
  transition:width .24s var(--ease),height .24s var(--ease),font-size .24s var(--ease);
}
.brand-text{font-size:17px;font-weight:700;color:var(--text);white-space:nowrap}
.brand:hover .brand-text{color:var(--text)}
.topbar-mid{display:flex;align-items:center;gap:16px;flex:1 1 auto;min-width:0}
.hotwords{
  display:flex;align-items:center;gap:8px;
  overflow-x:auto;scrollbar-width:none;
  mask-image:linear-gradient(90deg,transparent,#000 16px,#000 calc(100% - 16px),transparent);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 16px,#000 calc(100% - 16px),transparent);
}
.hotwords::-webkit-scrollbar{display:none}
.hotword{
  flex:0 0 auto;
  font-size:13px;line-height:1;
  padding:8px 12px;border-radius:var(--r-pill);
  color:var(--text-2);background:rgba(255,255,255,.04);
  border:1px solid transparent;
  transition:all .22s var(--ease);
}
.hotword:hover{color:var(--primary);background:rgba(255,106,61,.08);border-color:rgba(255,106,61,.3)}
.search{
  margin-left:auto;flex:0 0 auto;
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 14px;min-width:250px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-pill);
  color:var(--text-3);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,106,61,.16)}
.search input{
  flex:1 1 auto;background:none;border:0;color:var(--text);font-size:14px;min-width:0;
}
.search input::placeholder{color:var(--text-3)}
.search input:focus{outline:none}
.burger{
  display:none;margin-left:auto;
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  position:relative;
}
.burger span,.burger span::before,.burger span::after{
  position:absolute;left:50%;width:18px;height:2px;border-radius:2px;background:var(--text);
  transform:translateX(-50%);transition:transform .24s var(--ease),opacity .24s var(--ease);
}
.burger span{top:50%;margin-top:-1px}
.burger span::before{content:"";left:0;transform:none;top:-6px}
.burger span::after{content:"";left:0;transform:none;top:6px}
.burger[aria-expanded="true"] span{background:transparent}
.burger[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
.burger[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}
.navbar{border-top:1px solid var(--line);transition:border-color .24s var(--ease)}
.site-header.scrolled .navbar{border-top-color:transparent}
.nav-list{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none}
.nav-list::-webkit-scrollbar{display:none}
.nav-link{
  position:relative;display:block;
  padding:12px 16px 13px;
  font-size:15px;color:var(--text-2);white-space:nowrap;
  transition:color .22s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:16px;right:16px;bottom:8px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--primary-2));
  transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.nav-link:hover{color:var(--text)}
.nav-link.active{color:var(--primary);font-weight:600}
.nav-link.active::after{transform:scaleX(1)}

/* 移动抽屉 */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);
  background:var(--bg-2);border-left:1px solid var(--line);
  padding:20px;z-index:80;
  transform:translateX(102%);transition:transform .28s var(--ease);
  overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-title{font-size:15px;font-weight:600;color:var(--text-2)}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);font-size:18px;color:var(--text-2)}
.drawer .search{width:100%;min-width:0;margin:0 0 18px}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:18px}
.drawer-nav a{padding:12px 14px;border-radius:var(--r-sm);color:var(--text-2);font-size:15px;transition:all .2s var(--ease)}
.drawer-nav a:hover,.drawer-nav a.active{background:rgba(255,106,61,.1);color:var(--primary)}
.drawer-hot{display:flex;flex-wrap:wrap;gap:8px}
.mask-layer{
  position:fixed;inset:0;background:rgba(11,9,24,.6);backdrop-filter:blur(2px);
  opacity:0;visibility:hidden;transition:opacity .26s var(--ease),visibility .26s var(--ease);z-index:70;
}
.mask-layer.show{opacity:1;visibility:visible}

/* ---------- 通用 ---------- */
.section{padding:96px 0}
.section-sm{padding:64px 0}
.section-head{max-width:720px;margin-bottom:32px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--cyan);
  padding:6px 12px;border-radius:var(--r-pill);
  background:rgba(34,211,184,.08);border:1px solid rgba(34,211,184,.24);
  margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan)}
.section-title{font-size:clamp(22px,2.8vw,32px);line-height:1.3;margin-bottom:14px}
.section-desc{color:var(--text-2);font-size:15.5px;max-width:640px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:all .22s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:#1A0A04;
}
.btn-primary:hover{
  color:#1A0A04;transform:translateY(-2px);
  box-shadow:0 10px 30px rgba(255,106,61,.28);
  filter:brightness(1.06);
}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  border:1px solid var(--line-strong);color:var(--text);background:transparent;
}
.btn-ghost:hover{border-color:rgba(255,106,61,.5);background:rgba(255,106,61,.08);color:var(--primary)}
.btn-lg{height:52px;padding:0 30px;font-size:16px}
.text-link{
  position:relative;font-size:15px;font-weight:600;color:var(--primary);
}
.text-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:1px;background:currentColor;
  transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.text-link:hover::after{transform:scaleX(1)}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;line-height:1;padding:6px 11px;border-radius:var(--r-pill);
  border:1px solid transparent;white-space:nowrap;
}
.badge-orange{color:var(--primary);background:rgba(255,106,61,.08);border-color:rgba(255,106,61,.24)}
.badge-cyan{color:var(--cyan);background:rgba(34,211,184,.08);border-color:rgba(34,211,184,.24)}
.badge-gold{color:var(--gold);background:rgba(255,196,77,.08);border-color:rgba(255,196,77,.24)}
.badge-mute{color:var(--text-2);background:rgba(255,255,255,.04);border-color:var(--line)}

/* ---------- 面包屑 ---------- */
.crumb{padding:20px 0 0}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3)}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li+li::before{content:"›";color:var(--text-3)}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--primary)}
.crumb .current{color:var(--text)}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  margin-top:20px;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  background:#0F0C20 url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  padding:64px 0 56px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(11,9,24,.94) 8%,rgba(18,15,36,.82) 52%,rgba(11,9,24,.96) 100%);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 82% 18%,rgba(255,106,61,.16),transparent 42%),
             radial-gradient(circle at 12% 84%,rgba(34,211,184,.12),transparent 46%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:44px;align-items:center}
.page-hero h1{font-size:clamp(28px,4.4vw,46px);line-height:1.25;margin-bottom:16px}
.page-hero h1 em{font-style:normal;color:var(--primary)}
.hero-sub{font-size:16.5px;color:var(--text-2);max-width:520px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-bottom:28px}
.hero-points{display:flex;flex-wrap:wrap;gap:22px}
.point{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--text-2)}
.point svg{color:var(--cyan);flex:0 0 auto}
.hero-panel{
  background:rgba(23,19,49,.86);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:22px;
  box-shadow:var(--sh-card);
  backdrop-filter:blur(6px);
}
.hero-panel h2{font-size:16px;margin-bottom:16px}
.tick-list li{
  display:flex;gap:12px;padding:11px 0;
  border-bottom:1px dashed var(--line);
  font-size:14.5px;color:var(--text-2);
}
.tick-list li:last-child{border-bottom:0}
.tick-list b{color:var(--text);font-weight:600}
.tick-num{
  flex:0 0 auto;width:22px;height:22px;border-radius:7px;margin-top:3px;
  display:grid;place-items:center;font-size:12px;font-weight:700;
  background:rgba(255,106,61,.12);color:var(--primary);
}

/* ---------- 资料速查（非对称栅格） ---------- */
.feature-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:24px}
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-card);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(255,106,61,.3)}
.feature-main{display:flex;flex-direction:column;overflow:hidden}
.thumb{
  position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;background:var(--bg-2);
}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.card:hover .thumb img{transform:scale(1.04)}
.thumb-tag{position:absolute;left:14px;top:14px}
.feature-main .body{padding:24px 26px 26px}
.feature-main h3{font-size:21px;margin-bottom:12px}
.feature-main p{color:var(--text-2);font-size:15px;margin-bottom:18px}
.meta-line{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3)}
.feature-side{display:grid;grid-template-rows:1fr 1fr;gap:24px}
.mini-card{padding:22px;display:flex;flex-direction:column;gap:10px}
.mini-card h3{font-size:18px}
.mini-card p{font-size:14.5px;color:var(--text-2);line-height:1.75}
.mini-icon{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:rgba(34,211,184,.1);color:var(--cyan);border:1px solid rgba(34,211,184,.24);
}
.mini-card:nth-child(2) .mini-icon{background:rgba(255,196,77,.1);color:var(--gold);border-color:rgba(255,196,77,.24)}

/* ---------- 索引 + 日期分组列表 ---------- */
.filter-bar{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  padding:16px 18px;margin-bottom:28px;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-pill);
}
.chip{
  font-size:13.5px;padding:8px 15px;border-radius:var(--r-pill);
  color:var(--text-2);border:1px solid var(--line);background:rgba(255,255,255,.02);
  transition:all .22s var(--ease);
}
.chip:hover{color:var(--primary);border-color:rgba(255,106,61,.4)}
.chip.active{color:#1A0A04;background:linear-gradient(135deg,var(--primary),var(--primary-2));border-color:transparent;font-weight:600}
.ledger{border-top:1px solid var(--line)}
.ledger-month{
  display:grid;grid-template-columns:132px minmax(0,1fr);gap:24px;
  padding-top:32px;
}
.month-cell{
  position:sticky;top:150px;align-self:start;
  display:flex;flex-direction:column;gap:2px;
}
.month-cell .m-num{
  font-size:26px;font-weight:700;color:var(--text);
  font-family:"Barlow","DIN Alternate",Inter,system-ui,sans-serif;
  font-variant-numeric:tabular-nums;line-height:1.1;
}
.month-cell .m-year{font-size:12.5px;color:var(--text-3);letter-spacing:.06em}
.ledger-rows{display:flex;flex-direction:column}
.ledger-row{
  position:relative;display:grid;grid-template-columns:96px minmax(0,1fr) auto;
  gap:20px;align-items:center;
  padding:20px 18px 20px 20px;
  border-bottom:1px solid var(--line);
  border-left:2px solid transparent;
  color:var(--text);
  transition:background .22s var(--ease),border-color .22s var(--ease);
}
.ledger-row:hover{background:rgba(255,255,255,.035);border-left-color:var(--primary)}
.ledger-row time{
  font-family:"Barlow","DIN Alternate",Inter,system-ui,sans-serif;
  font-variant-numeric:tabular-nums;
  font-size:15px;color:var(--text-3);letter-spacing:.02em;
}
.ledger-row:hover time{color:var(--primary)}
.row-body h3{font-size:17px;font-weight:600;margin-bottom:6px;transition:color .22s var(--ease)}
.ledger-row:hover .row-body h3{color:var(--primary)}
.row-body p{font-size:14.5px;color:var(--text-2);line-height:1.75;max-width:660px}
.pager{
  display:flex;align-items:center;justify-content:center;gap:8px;
  margin-top:36px;flex-wrap:wrap;
}
.pager a,.pager span{
  min-width:42px;height:42px;padding:0 14px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-sm);border:1px solid var(--line);
  font-size:14px;color:var(--text-2);background:rgba(255,255,255,.02);
  transition:all .2s var(--ease);
}
.pager a:hover{color:var(--primary);border-color:rgba(255,106,61,.4)}
.pager .cur{color:#1A0A04;background:linear-gradient(135deg,var(--primary),var(--primary-2));border-color:transparent;font-weight:600}
.pager .disabled{opacity:.4;cursor:not-allowed}

/* ---------- 三步流程 ---------- */
.steps{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;
  position:relative;
}
.step{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 24px;position:relative;
  transition:transform .24s var(--ease),border-color .24s var(--ease);
}
.step:hover{transform:translateY(-4px);border-color:rgba(34,211,184,.3)}
.step-idx{
  font-family:"Barlow","DIN Alternate",Inter,system-ui,sans-serif;
  font-size:34px;font-weight:700;line-height:1;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:14px;display:block;
}
.step h3{font-size:18px;margin-bottom:10px}
.step p{font-size:14.5px;color:var(--text-2);line-height:1.78}
.step::after{
  content:"";position:absolute;right:-14px;top:50%;width:8px;height:8px;
  border-radius:50%;background:var(--surface-2);border:1px solid var(--line);
}
.step:last-child::after{display:none}

/* ---------- 订阅 ---------- */
.subscribe{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.9fr);gap:36px;
  align-items:center;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:38px;
}
.subscribe h2{font-size:clamp(20px,2.4vw,27px);margin-bottom:12px}
.subscribe p{color:var(--text-2);font-size:15px}
.sub-form{display:flex;gap:12px;align-items:flex-start}
.sub-form .field{flex:1 1 auto}
.field input{
  width:100%;height:48px;padding:0 16px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-sm);
  color:var(--text);font-size:15px;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.field input::placeholder{color:var(--text-3)}
.field input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,106,61,.16)}
.sub-form .btn{height:48px}
.form-note{font-size:13px;color:var(--text-3);margin-top:10px}

/* ---------- FAQ ---------- */
.faq{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;transition:border-color .22s var(--ease),background .22s var(--ease);
}
.faq-item.open{border-color:rgba(255,106,61,.32);background:var(--surface-2)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;text-align:left;font-size:16px;font-weight:600;color:var(--text);
  transition:color .22s var(--ease);
}
.faq-q:hover{color:var(--primary)}
.faq-icon{
  flex:0 0 auto;position:relative;width:20px;height:20px;border-radius:50%;
  border:1px solid var(--line-strong);
  transition:transform .18s var(--ease),border-color .18s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--text-2);border-radius:2px;
  transform:translate(-50%,-50%);transition:opacity .18s var(--ease);
}
.faq-icon::before{width:9px;height:1.5px}
.faq-icon::after{width:1.5px;height:9px}
.faq-item.open .faq-icon{transform:rotate(180deg);border-color:rgba(255,106,61,.5)}
.faq-item.open .faq-icon::before,.faq-item.open .faq-icon::after{background:var(--primary)}
.faq-item.open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease)}
.faq-a p{padding:0 22px 20px;color:var(--text-2);font-size:15px;line-height:1.75;max-width:640px}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);
  border:1px solid rgba(255,106,61,.3);
  background:linear-gradient(120deg,rgba(255,106,61,.14),rgba(34,211,184,.08) 60%,rgba(23,19,49,.9));
  padding:52px 40px;
  text-align:center;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 50% 120%,rgba(255,106,61,.22),transparent 58%);
  pointer-events:none;
}
.cta-band .inner{position:relative;z-index:2;max-width:660px;margin:0 auto}
.cta-band h2{font-size:clamp(21px,2.6vw,30px);margin-bottom:14px}
.cta-band p{color:var(--text-2);font-size:15.5px;margin-bottom:26px}
.cta-band .btn{margin-bottom:14px}
.cta-note{font-size:13px;color:var(--text-3)}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;
  background:#080611;
  border-top:1px solid var(--line);
  padding:56px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr .8fr .8fr 1.2fr;gap:36px;
  padding-bottom:40px;
}
.footer-brand .brand{margin-bottom:14px}
.footer-brand p{font-size:14px;color:var(--text-2);line-height:1.8;max-width:280px}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text)}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col ul a{font-size:14px;color:var(--text-2)}
.footer-col ul a:hover{color:var(--primary)}
.footer-sub{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}
.footer-sub input{
  flex:1 1 150px;min-width:0;height:44px;padding:0 14px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-sm);
  color:var(--text);font-size:14px;
}
.footer-sub input::placeholder{color:var(--text-3)}
.footer-sub input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,106,61,.16)}
.footer-sub .btn{height:44px;padding:0 18px}
.footer-note{font-size:12.5px;color:var(--text-3);margin-top:10px}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  border-top:1px solid var(--line);
  padding:20px 0 28px;
  font-size:13px;color:var(--text-3);
}
.fb-links{display:flex;flex-wrap:wrap;gap:16px}
.fb-links a{color:var(--text-3);font-size:13px}
.fb-links a:hover{color:var(--primary)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .section{padding:80px 0}
  .footer-grid{grid-template-columns:1.2fr 1fr 1fr 1.2fr;gap:28px}
}
@media (max-width:1023px){
  .topbar-mid{display:none}
  .burger{display:block}
  .navbar{display:none}
  .brand-text{font-size:16px}
  .section{padding:72px 0}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-panel{max-width:560px}
  .feature-grid{grid-template-columns:1fr}
  .feature-side{grid-template-rows:auto auto;grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .step::after{display:none}
  .subscribe{grid-template-columns:1fr;padding:30px;gap:24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .month-cell{position:static}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .section-sm{padding:44px 0}
  .crumb{padding-top:14px}
  .page-hero{padding:44px 0 40px;border-radius:var(--r-md)}
  .feature-side{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .ledger-month{grid-template-columns:1fr;gap:10px;padding-top:26px}
  .month-cell{flex-direction:row;align-items:baseline;gap:10px;padding-left:4px}
  .month-cell .m-num{font-size:22px}
  .ledger-row{grid-template-columns:1fr;gap:6px;padding:18px 16px}
  .ledger-row time{font-size:13.5px;color:var(--text-3)}
  .row-body p{font-size:14px}
  .sub-form{flex-direction:column}
  .sub-form .btn{width:100%}
  .cta-band{padding:38px 22px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .btn{height:44px}
}
@media (max-width:519px){
  .page-hero h1{font-size:26px}
  .hero-actions{gap:12px}
  .hero-actions .btn{width:100%}
  .hero-points{gap:14px}
  .filter-bar{border-radius:var(--r-md);padding:14px}
}