/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --bg:#F7F5F9;
  --surface:#FFFFFF;
  --surface-2:#F1EDF6;
  --ink-bg:#171125;
  --ink-bg-2:#241A38;
  --primary:#FF6B2C;
  --primary-700:#E2541A;
  --primary-soft:#FFF1E8;
  --secondary:#2BC7B0;
  --accent:#A855F7;
  --ink:#1C1726;
  --ink-2:#4A4358;
  --ink-3:#8A8398;
  --line:#E7E1EF;
  --line-dark:rgba(255,255,255,.12);
  --dark-text:rgba(255,255,255,.72);

  --r-pill:999px;
  --r-card:16px;
  --r-kv:20px;
  --r-input:12px;

  --sh-1:0 8px 24px rgba(28,23,38,.08);
  --sh-2:0 16px 40px rgba(28,23,38,.13);
  --glow:0 0 0 1px rgba(255,107,44,.28), 0 14px 36px rgba(255,107,44,.16);

  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-num:"Barlow Semi Condensed",system-ui,-apple-system,"Segoe UI",sans-serif;

  --sec:96px;
  --container:1200px;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,blockquote,dl,dd{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(255,107,44,.22);}

/* ============ 容器与通用 ============ */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}
.section{padding:var(--sec) 0;}
.section-tight{padding:72px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:44px;
}
.section-head h2{
  font-size:32px;
  font-weight:800;
  line-height:1.25;
  letter-spacing:-.4px;
  position:relative;
  padding-left:18px;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;
  top:8px;
  bottom:8px;
  width:5px;
  border-radius:4px;
  background:var(--primary);
}
.section-sub{
  margin-top:12px;
  color:var(--ink-2);
  font-size:16px;
  max-width:640px;
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--primary-700);
  font-weight:700;
  font-size:15px;
  white-space:nowrap;
  transition:gap .2s ease,color .2s ease;
}
.text-link:hover{gap:10px;color:var(--primary);}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.6px;
  color:var(--primary-700);
  background:var(--primary-soft);
  border:1px solid rgba(255,107,44,.22);
  border-radius:var(--r-pill);
  padding:6px 14px;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 26px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:700;
  line-height:1;
  cursor:pointer;
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,border-color .2s ease,color .2s ease,filter .2s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--primary);
  color:#fff;
  box-shadow:0 10px 24px rgba(255,107,44,.28);
}
.btn-primary:hover{
  transform:translateY(-2px);
  background:var(--primary-700);
  box-shadow:0 16px 32px rgba(255,107,44,.34);
  filter:saturate(1.05);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,107,44,.26);}
.btn-ghost{
  background:#fff;
  color:var(--primary-700);
  border-color:rgba(255,107,44,.4);
}
.btn-ghost:hover{
  transform:translateY(-2px);
  border-color:var(--primary);
  color:var(--primary);
  box-shadow:var(--sh-1);
}
.btn-ghost-light{
  background:rgba(255,255,255,.06);
  color:#fff;
  border-color:rgba(255,255,255,.36);
}
.btn-ghost-light:hover{
  transform:translateY(-2px);
  background:rgba(255,255,255,.12);
  border-color:rgba(255,255,255,.7);
}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{
  opacity:.6;
  pointer-events:none;
  box-shadow:none;
}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  background:#fff;
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 6px 20px rgba(28,23,38,.07);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:28px;
  height:68px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:800;
  letter-spacing:-.3px;
  color:var(--ink);
  flex-shrink:0;
}
.logo-mark{
  width:34px;
  height:34px;
  border-radius:10px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  display:grid;
  place-items:center;
  color:#fff;
  box-shadow:0 6px 16px rgba(255,107,44,.32);
  flex-shrink:0;
}
.logo-mark svg{width:18px;height:18px;}
.main-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:8px;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:10px 14px;
  font-size:15px;
  font-weight:600;
  color:var(--ink-2);
  border-radius:10px;
  transition:color .2s ease,background-color .2s ease;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--primary);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .25s ease;
}
.nav-link:hover{color:var(--primary-700);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--primary);font-weight:700;}
.nav-link.is-active::after{transform:scaleX(1);}
.header-actions{
  display:flex;
  align-items:center;
  gap:14px;
  margin-left:auto;
}
.search-box{
  display:flex;
  align-items:center;
  gap:8px;
  height:40px;
  padding:0 16px;
  background:var(--surface-2);
  border:1px solid transparent;
  border-radius:var(--r-pill);
  transition:border-color .2s ease,background-color .2s ease,box-shadow .2s ease;
}
.search-box svg{width:16px;height:16px;color:var(--ink-3);flex-shrink:0;}
.search-box input{
  border:0;
  background:transparent;
  outline:none;
  width:172px;
  font-size:14px;
  color:var(--ink);
}
.search-box input::placeholder{color:var(--ink-3);}
.search-box:focus-within{
  background:#fff;
  border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(255,107,44,.14);
}
.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  padding:0;
  place-items:center;
}
.nav-toggle span{
  display:block;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--ink);
  margin:3px auto;
  transition:transform .25s ease,opacity .2s ease;
}

/* 抽屉 */
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(23,17,37,.5);
  opacity:0;
  visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
  z-index:130;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;
  top:0;
  right:0;
  bottom:0;
  width:300px;
  max-width:84vw;
  background:#fff;
  z-index:140;
  padding:24px 22px 32px;
  transform:translateX(105%);
  transition:transform .3s cubic-bezier(.4,0,.2,1);
  overflow-y:auto;
  display:flex;
  flex-direction:column;
  gap:6px;
}
.drawer.is-open{transform:translateX(0);}
.drawer-title{
  font-size:13px;
  font-weight:700;
  letter-spacing:1px;
  color:var(--ink-3);
  margin:12px 0 6px;
}
.drawer a.drawer-link{
  display:block;
  padding:13px 14px;
  border-radius:12px;
  font-size:16px;
  font-weight:600;
  color:var(--ink-2);
  transition:background-color .2s ease,color .2s ease;
}
.drawer a.drawer-link:hover{background:var(--surface-2);color:var(--primary-700);}
.drawer a.drawer-link.is-active{background:var(--primary-soft);color:var(--primary-700);}
.drawer .search-box{width:100%;margin-top:18px;}
.drawer .search-box input{width:100%;}
.drawer .btn{margin-top:14px;}

/* ============ Hero ============ */
.hero{
  position:relative;
  overflow:hidden;
  background:var(--ink-bg);
  min-height:78vh;
  display:flex;
  align-items:center;
  padding:72px 0 64px;
}
.hero-bg{
  position:absolute;
  inset:0;
  background-image:linear-gradient(120deg,rgba(23,17,37,.9) 0%,rgba(23,17,37,.62) 55%,rgba(23,17,37,.5) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
}
.hero-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:56px;
  align-items:center;
}
.hero-copy{color:#fff;max-width:640px;}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.4px;
  padding:7px 15px;
  border-radius:var(--r-pill);
  color:#fff;
  background:rgba(255,107,44,.16);
  border:1px solid rgba(255,107,44,.42);
  margin-bottom:22px;
}
.hero-badge i{
  width:6px;height:6px;border-radius:50%;background:var(--secondary);
  display:inline-block;
  box-shadow:0 0 0 4px rgba(43,199,176,.2);
}
.hero h1{
  font-size:48px;
  font-weight:800;
  line-height:1.15;
  letter-spacing:-1px;
  margin-bottom:20px;
}
.hero h1 em{
  font-style:normal;
  color:var(--primary);
}
.hero-sub{
  font-size:18px;
  line-height:1.8;
  color:rgba(255,255,255,.78);
  max-width:540px;
  margin-bottom:32px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-bottom:40px;
}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:40px;
  padding-top:26px;
  border-top:1px solid var(--line-dark);
}
.hero-stat b{
  display:block;
  font-family:var(--font-num);
  font-size:32px;
  font-weight:700;
  line-height:1.1;
  color:var(--primary);
  letter-spacing:.5px;
}
.hero-stat span{
  display:block;
  font-size:13px;
  color:rgba(255,255,255,.6);
  margin-top:4px;
}

.hero-card{
  background:var(--ink-bg-2);
  border:1px solid var(--line-dark);
  border-radius:var(--r-kv);
  overflow:hidden;
  box-shadow:var(--glow);
  transform:rotate(1.2deg);
  transition:transform .35s ease,box-shadow .35s ease;
}
.hero-card:hover{transform:rotate(0deg) translateY(-4px);}
.hero-card img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  background:var(--surface-2);
}
.hero-card-body{padding:20px 22px 24px;}
.hero-card-body h3{
  font-size:18px;
  font-weight:700;
  color:#fff;
  margin-bottom:8px;
}
.hero-card-body p{
  font-size:14px;
  line-height:1.75;
  color:var(--dark-text);
}
.hero-card-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:16px;
}
.tag{
  display:inline-flex;
  align-items:center;
  font-size:12px;
  font-weight:600;
  padding:5px 12px;
  border-radius:var(--r-pill);
  letter-spacing:.2px;
}
.tag-primary{
  background:var(--primary-soft);
  color:var(--primary-700);
  border:1px solid rgba(255,107,44,.22);
}
.tag-secondary{
  background:rgba(43,199,176,.14);
  color:#0F8B79;
  border:1px solid rgba(43,199,176,.26);
}
.tag-muted{
  background:rgba(138,131,152,.14);
  color:var(--ink-2);
  border:1px solid rgba(138,131,152,.22);
}
.tag-dark{
  background:rgba(255,255,255,.08);
  color:#fff;
  border:1px solid rgba(255,255,255,.18);
}

/* ============ 亮点条 ============ */
.highlight-strip{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-kv);
  box-shadow:var(--sh-1);
  display:grid;
  grid-template-columns:repeat(4,1fr);
  overflow:hidden;
  margin-top:-52px;
  position:relative;
  z-index:5;
}
.highlight-item{
  padding:28px 26px;
  border-right:1px solid var(--line);
  transition:background-color .25s ease;
}
.highlight-item:last-child{border-right:0;}
.highlight-item:hover{background:var(--surface-2);}
.highlight-icon{
  width:38px;height:38px;
  border-radius:12px;
  display:grid;place-items:center;
  background:var(--primary-soft);
  color:var(--primary-700);
  margin-bottom:14px;
}
.highlight-icon svg{width:19px;height:19px;}
.highlight-item h3{font-size:16px;font-weight:700;margin-bottom:6px;}
.highlight-item p{font-size:14px;line-height:1.7;color:var(--ink-2);}

/* ============ 玩法介绍（交错双栏） ============ */
.play-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:64px;
  align-items:center;
}
.play-row + .play-row{margin-top:84px;}
.play-row.reverse .play-media{order:2;}
.play-media{
  border-radius:var(--r-kv);
  overflow:hidden;
  box-shadow:var(--sh-2);
  position:relative;
  background:var(--surface-2);
}
.play-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
}
.play-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(23,17,37,0) 55%,rgba(23,17,37,.35) 100%);
}
.play-index{
  display:inline-grid;
  place-items:center;
  width:44px;height:44px;
  border-radius:14px;
  background:var(--ink-bg);
  color:#fff;
  font-family:var(--font-num);
  font-size:20px;
  font-weight:700;
  margin-bottom:20px;
}
.play-copy h3{
  font-size:26px;
  font-weight:800;
  line-height:1.35;
  margin-bottom:14px;
  letter-spacing:-.4px;
}
.play-copy p{
  font-size:16px;
  line-height:1.9;
  color:var(--ink-2);
  margin-bottom:16px;
}
.play-list{display:grid;gap:10px;margin:20px 0 24px;}
.play-list li{
  position:relative;
  padding-left:26px;
  font-size:15px;
  color:var(--ink-2);
  line-height:1.75;
}
.play-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:10px;
  width:8px;height:8px;
  border-radius:50%;
  background:var(--secondary);
  box-shadow:0 0 0 4px rgba(43,199,176,.16);
}

/* ============ 奖励轨道 ============ */
.reward-section{
  background:var(--surface-2);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.reward-track{
  display:flex;
  gap:22px;
  overflow-x:auto;
  padding:6px 4px 24px;
  scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:thin;
}
.reward-track::-webkit-scrollbar{height:6px;}
.reward-track::-webkit-scrollbar-thumb{background:rgba(138,131,152,.4);border-radius:6px;}
.reward-track::-webkit-scrollbar-track{background:transparent;}
.reward-card{
  flex:0 0 calc((100% - 66px) / 3.5);
  scroll-snap-align:start;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.reward-card:hover{
  transform:translateY(-4px);
  border-color:var(--primary);
  box-shadow:var(--sh-2);
}
.reward-card img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  background:var(--surface-2);
}
.reward-body{
  padding:20px 22px 18px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
}
.reward-body h3{font-size:18px;font-weight:700;}
.reward-value{
  font-family:var(--font-num);
  font-size:30px;
  font-weight:700;
  line-height:1;
  color:var(--primary);
  letter-spacing:.5px;
}
.reward-value small{
  font-family:var(--font);
  font-size:13px;
  font-weight:600;
  color:var(--ink-3);
  margin-left:6px;
  letter-spacing:0;
}
.reward-cond{
  font-size:14px;
  color:var(--ink-2);
  line-height:1.7;
  flex:1;
}
.reward-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:14px 22px;
  border-top:1px solid var(--line);
  background:#FCFBFD;
}

/* ============ 任务进度 ============ */
.progress-panel{
  background:var(--ink-bg);
  border-radius:var(--r-kv);
  padding:52px 54px 44px;
  box-shadow:0 24px 60px rgba(23,17,37,.28);
  position:relative;
  overflow:hidden;
}
.progress-panel::before{
  content:"";
  position:absolute;
  width:420px;height:420px;
  right:-140px;top:-180px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(168,85,247,.35),transparent 68%);
}
.progress-grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:auto 1fr;
  gap:56px;
  align-items:center;
}
.progress-left{color:#fff;text-align:center;}
.progress-ring{
  width:158px;
  height:158px;
  border-radius:50%;
  margin:0 auto 18px;
  display:grid;
  place-items:center;
  position:relative;
  background:conic-gradient(var(--primary) 0 68%,rgba(255,255,255,.14) 68% 100%);
}
.progress-ring::after{
  content:"";
  position:absolute;
  inset:13px;
  border-radius:50%;
  background:var(--ink-bg-2);
}
.progress-ring strong{
  position:relative;
  z-index:2;
  font-family:var(--font-num);
  font-size:42px;
  font-weight:700;
  line-height:1;
  letter-spacing:.5px;
}
.progress-ring strong small{font-size:18px;margin-left:2px;}
.progress-left p{font-size:14px;color:var(--dark-text);}
.progress-nodes{
  display:flex;
  align-items:flex-start;
  gap:0;
}
.node{
  flex:1;
  position:relative;
  padding-right:8px;
}
.node::after{
  content:"";
  position:absolute;
  top:11px;
  left:26px;
  right:8px;
  height:2px;
  background:rgba(255,255,255,.16);
}
.node:last-child::after{display:none;}
.node.is-done::after{background:var(--primary);}
.node-dot{
  width:24px;height:24px;
  border-radius:50%;
  position:relative;
  z-index:2;
  display:grid;
  place-items:center;
  background:rgba(255,255,255,.12);
  border:2px solid rgba(255,255,255,.28);
  margin-bottom:16px;
}
.node-dot svg{width:12px;height:12px;color:#fff;opacity:0;}
.node.is-done .node-dot{background:var(--primary);border-color:var(--primary);}
.node.is-done .node-dot svg{opacity:1;}
.node.is-current .node-dot{
  background:transparent;
  border-color:var(--primary);
  box-shadow:0 0 0 5px rgba(255,107,44,.18);
}
.node h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:4px;}
.node p{font-size:13px;color:rgba(255,255,255,.6);line-height:1.6;}
.progress-note{
  position:relative;
  z-index:2;
  margin-top:34px;
  padding-top:20px;
  border-top:1px solid var(--line-dark);
  font-size:13px;
  color:rgba(255,255,255,.6);
  display:flex;
  align-items:center;
  gap:8px;
}
.progress-note i{
  width:6px;height:6px;border-radius:50%;background:var(--secondary);display:inline-block;
}

/* ============ 最新信息 CMS ============ */
.news-list{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-kv);
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.news-row{
  display:grid;
  grid-template-columns:200px 1fr;
  gap:24px;
  padding:22px 26px;
  border-bottom:1px solid var(--line);
  align-items:center;
  transition:background-color .22s ease;
}
.news-row:last-child{border-bottom:0;}
.news-row:hover{background:var(--surface-2);}
.news-thumb{
  border-radius:12px;
  overflow:hidden;
  background:var(--surface-2);
}
.news-thumb img{
  width:100%;
  height:130px;
  object-fit:cover;
}
.news-body{min-width:0;}
.news-body h3{
  font-size:18px;
  font-weight:700;
  line-height:1.5;
  margin-bottom:8px;
  transition:color .2s ease;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-row:hover .news-body h3{color:var(--primary-700);}
.news-body p{
  font-size:14px;
  line-height:1.75;
  color:var(--ink-2);
  margin-bottom:12px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-meta{
  display:flex;
  align-items:center;
  gap:14px;
  font-size:13px;
  color:var(--ink-3);
  flex-wrap:wrap;
}
.news-meta .arrow{
  margin-left:auto;
  color:var(--primary-700);
  font-weight:700;
  display:inline-flex;
  align-items:center;
  gap:5px;
}
.empty-state{
  padding:64px 26px;
  text-align:center;
  color:var(--ink-2);
}
.empty-state .empty-icon{
  width:58px;height:58px;
  border-radius:18px;
  background:var(--surface-2);
  display:grid;place-items:center;
  margin:0 auto 18px;
  color:var(--ink-3);
}
.empty-state .empty-icon svg{width:26px;height:26px;}
.empty-state h3{font-size:18px;font-weight:700;margin-bottom:8px;color:var(--ink);}
.empty-state p{font-size:14px;margin-bottom:20px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;margin:0 auto;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item:hover{border-color:rgba(255,107,44,.4);}
.faq-item[open]{
  border-color:rgba(255,107,44,.5);
  box-shadow:var(--sh-1);
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  gap:14px;
  padding:20px 24px;
  font-size:17px;
  font-weight:700;
  color:var(--ink);
  position:relative;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";
  margin-left:auto;
  width:10px;height:10px;
  border-right:2px solid var(--ink-3);
  border-bottom:2px solid var(--ink-3);
  transform:rotate(45deg) translateY(-3px);
  transition:transform .25s ease,border-color .25s ease;
  flex-shrink:0;
}
.faq-item[open] summary::after{
  transform:rotate(-135deg) translateY(-3px);
  border-color:var(--primary);
}
.faq-q-mark{
  width:28px;height:28px;
  border-radius:50%;
  background:var(--primary-soft);
  color:var(--primary-700);
  font-family:var(--font-num);
  font-size:15px;
  font-weight:700;
  display:grid;
  place-items:center;
  flex-shrink:0;
}
.faq-item[open] .faq-q-mark{background:var(--primary);color:#fff;}
.faq-answer{
  padding:0 24px 22px 66px;
  font-size:15px;
  line-height:1.9;
  color:var(--ink-2);
  animation:fadeUp .28s ease;
}
.faq-item[open] .faq-answer{border-left:3px solid var(--primary);margin-left:24px;padding-left:19px;}
@keyframes fadeUp{
  from{opacity:0;transform:translateY(6px);}
  to{opacity:1;transform:translateY(0);}
}

/* ============ 底部 CTA ============ */
.cta-section{
  background:var(--ink-bg);
  position:relative;
  overflow:hidden;
  padding:88px 0;
}
.cta-section::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(115deg,rgba(23,17,37,.94) 0%,rgba(23,17,37,.78) 60%,rgba(23,17,37,.9) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  opacity:.9;
}
.cta-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:start;
}
.cta-copy{color:#fff;}
.cta-copy h2{
  font-size:34px;
  font-weight:800;
  line-height:1.3;
  letter-spacing:-.6px;
  margin-bottom:16px;
}
.cta-copy p{
  font-size:16px;
  line-height:1.9;
  color:rgba(255,255,255,.72);
  margin-bottom:26px;
  max-width:460px;
}
.cta-points{display:grid;gap:12px;}
.cta-points li{
  position:relative;
  padding-left:26px;
  font-size:15px;
  color:rgba(255,255,255,.8);
}
.cta-points li::before{
  content:"";
  position:absolute;
  left:0;top:9px;
  width:14px;height:2px;
  border-radius:2px;
  background:var(--primary);
}
.cta-form{
  background:var(--ink-bg-2);
  border:1px solid var(--line-dark);
  border-radius:var(--r-kv);
  padding:32px;
  box-shadow:var(--glow);
}
.cta-form h3{
  font-size:20px;
  font-weight:700;
  color:#fff;
  margin-bottom:6px;
}
.cta-form .form-hint{
  font-size:14px;
  color:var(--dark-text);
  margin-bottom:22px;
}
.field{margin-bottom:16px;}
.field label{
  display:block;
  font-size:13px;
  font-weight:600;
  color:rgba(255,255,255,.72);
  margin-bottom:8px;
}
.field input,.field textarea{
  width:100%;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-input);
  padding:12px 14px;
  font-size:15px;
  color:#fff;
  outline:none;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.42);}
.field input:focus,.field textarea:focus{
  border-color:var(--primary);
  background:rgba(255,255,255,.1);
  box-shadow:0 0 0 4px rgba(255,107,44,.2);
}
.field textarea{resize:vertical;min-height:88px;}
.privacy-note{
  font-size:12px;
  color:rgba(255,255,255,.5);
  margin-top:14px;
  line-height:1.7;
}
.form-tip{
  margin-top:14px;
  font-size:14px;
  color:var(--secondary);
  display:none;
}
.form-tip.is-show{display:block;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink-bg);
  color:rgba(255,255,255,.72);
  padding:72px 0 0;
  border-top:1px solid var(--line-dark);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:48px;
  padding-bottom:52px;
}
.footer-brand .logo{color:#fff;margin-bottom:16px;}
.footer-brand p{
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.6);
  max-width:300px;
  margin-bottom:20px;
}
.footer-social{
  display:flex;
  gap:10px;
}
.footer-social a{
  width:38px;height:38px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.16);
  display:grid;place-items:center;
  color:rgba(255,255,255,.7);
  transition:border-color .2s ease,color .2s ease,transform .2s ease,background-color .2s ease;
}
.footer-social a:hover{
  border-color:var(--primary);
  color:#fff;
  background:rgba(255,107,44,.14);
  transform:translateY(-2px);
}
.footer-social svg{width:17px;height:17px;}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  color:#fff;
  margin-bottom:18px;
}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{
  font-size:14px;
  color:rgba(255,255,255,.66);
  transition:color .2s ease,padding-left .2s ease;
}
.footer-col a:hover{color:var(--primary);padding-left:4px;}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);}
.footer-contact-line{
  display:flex;
  align-items:center;
  gap:9px;
  font-size:14px;
  color:rgba(255,255,255,.66);
  margin-bottom:10px;
}
.footer-contact-line svg{width:15px;height:15px;color:var(--primary);flex-shrink:0;}
.footer-bottom{
  border-top:1px solid var(--line-dark);
  padding:22px 0 26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.5);
}
.footer-bottom .footer-links{display:flex;gap:20px;flex-wrap:wrap;}
.footer-bottom a{color:rgba(255,255,255,.5);transition:color .2s ease;}
.footer-bottom a:hover{color:var(--primary);}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .reward-card{flex-basis:calc((100% - 44px) / 2.6);}
}
@media (max-width:1024px){
  :root{--sec:76px;}
  .container{padding:0 24px;}
  .main-nav{display:none;}
  .search-box{display:none;}
  .nav-toggle{display:grid;}
  .header-inner{height:64px;gap:16px;}
  .hero{min-height:auto;padding:56px 0 72px;}
  .hero-inner{grid-template-columns:1fr;gap:40px;}
  .hero h1{font-size:38px;}
  .hero-card{transform:none;max-width:560px;}
  .highlight-strip{grid-template-columns:repeat(2,1fr);}
  .highlight-item:nth-child(2){border-right:0;}
  .highlight-item:nth-child(1),.highlight-item:nth-child(2){border-bottom:1px solid var(--line);}
  .play-row{gap:40px;}
  .progress-grid{grid-template-columns:1fr;gap:40px;}
  .progress-panel{padding:40px 32px 34px;}
  .cta-inner{grid-template-columns:1fr;gap:40px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px;}
}
@media (max-width:768px){
  :root{--sec:56px;}
  body{font-size:16px;}
  .container{padding:0 18px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:30px;}
  .section-head h2{font-size:26px;}
  .hero h1{font-size:31px;letter-spacing:-.5px;}
  .hero-sub{font-size:16px;}
  .hero-stats{gap:26px;padding-top:22px;}
  .hero-stat b{font-size:26px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{flex:1 1 auto;}
  .highlight-strip{grid-template-columns:1fr;margin-top:-40px;}
  .highlight-item{border-right:0;border-bottom:1px solid var(--line);}
  .highlight-item:last-child{border-bottom:0;}
  .play-row{grid-template-columns:1fr;gap:24px;}
  .play-row.reverse .play-media{order:0;}
  .play-row + .play-row{margin-top:52px;}
  .play-copy h3{font-size:22px;}
  .reward-card{flex-basis:84%;}
  .progress-panel{padding:32px 20px 28px;}
  .progress-ring{width:132px;height:132px;}
  .progress-ring strong{font-size:34px;}
  .progress-nodes{flex-direction:column;gap:22px;}
  .node{padding-right:0;padding-left:0;}
  .node::after{display:none;}
  .node-dot{margin-bottom:10px;}
  .news-row{grid-template-columns:1fr;gap:14px;padding:20px;}
  .news-thumb img{height:170px;}
  .news-meta .arrow{margin-left:0;}
  .faq-answer{padding-left:24px;}
  .faq-item[open] .faq-answer{margin-left:18px;padding-left:15px;}
  .cta-section{padding:60px 0;}
  .cta-copy h2{font-size:26px;}
  .cta-form{padding:24px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:34px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:480px){
  .hero h1{font-size:27px;}
  .hero-badge{font-size:12px;padding:6px 12px;}
  .btn{height:40px;padding:0 20px;font-size:14px;}
  .btn-block{width:100%;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .reward-card{flex-basis:90%;}
  .progress-ring{width:118px;height:118px;}
  .progress-ring::after{inset:10px;}
  .progress-ring strong{font-size:30px;}
  .section-head h2{font-size:23px;}
}

/* roulang page: article */
:root{
  --bg:#F7F5F9;
  --surface:#FFFFFF;
  --surface-2:#F1EDF6;
  --ink-bg:#171125;
  --ink-bg-2:#241A38;
  --primary:#FF6B2C;
  --primary-700:#E2541A;
  --primary-soft:#FFF1E8;
  --secondary:#2BC7B0;
  --secondary-soft:#E6FBF7;
  --accent:#A855F7;
  --ink:#1C1726;
  --ink-2:#4A4358;
  --ink-3:#8A8398;
  --line:#E7E1EF;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"Barlow Semi Condensed",system-ui,-apple-system,sans-serif;
  --r-btn:999px;
  --r-card:16px;
  --r-kv:20px;
  --r-input:12px;
  --shadow:0 8px 24px rgba(28,23,38,.08);
  --shadow-lg:0 18px 44px rgba(28,23,38,.14);
  --glow:0 0 0 1px rgba(255,107,44,.28),0 14px 36px rgba(255,107,44,.16);
  --s1:8px;--s2:16px;--s3:24px;--s4:32px;--s5:48px;--s6:64px;--s7:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:800}
p{margin:0}
ul,ol{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 18px rgba(28,23,38,.06)}
.header-inner{display:flex;align-items:center;gap:20px;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;letter-spacing:.2px;white-space:nowrap}
.logo-mark{
  width:34px;height:34px;border-radius:11px;color:#fff;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  box-shadow:0 6px 16px rgba(255,107,44,.32);
}
.logo-mark svg{width:19px;height:19px}
.logo-text{color:var(--ink)}

.main-nav{display:flex;align-items:center;gap:4px;margin-left:6px}
.nav-link{
  position:relative;padding:9px 13px;font-size:15px;color:var(--ink-2);
  border-radius:var(--r-btn);transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;border-radius:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-link:hover{color:var(--ink);background:var(--surface-2)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--primary);font-weight:700}
.nav-link.is-active::after{transform:scaleX(1)}

.header-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;width:210px;
  background:var(--surface-2);border:1px solid transparent;border-radius:var(--r-btn);
  transition:border-color .2s ease,background .2s ease,box-shadow .2s ease;
}
.nav-search svg{width:16px;height:16px;color:var(--ink-3);flex:none}
.nav-search input{border:0;background:transparent;outline:none;width:100%;font-size:14px}
.nav-search input::placeholder{color:var(--ink-3)}
.nav-search:focus-within{background:#fff;border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,107,44,.14)}

.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;
  border-radius:12px;cursor:pointer;place-items:center;color:var(--ink);
}
.nav-toggle svg{width:20px;height:20px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease,filter .2s ease;
}
.btn svg{width:16px;height:16px}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 22px rgba(255,107,44,.28)}
.btn-primary:hover{transform:translateY(-2px);background:var(--primary-700);box-shadow:0 14px 30px rgba(255,107,44,.34);filter:brightness(1.04)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(255,107,44,.26)}
.btn-ghost{background:#fff;color:var(--primary-700);border-color:rgba(255,107,44,.45)}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--primary);box-shadow:var(--shadow);background:var(--primary-soft)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.42)}
.btn-outline-light:hover{transform:translateY(-2px);border-color:#fff;background:rgba(255,255,255,.1)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.6;pointer-events:none}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(23,17,37,.45);opacity:0;visibility:hidden;
  transition:opacity .3s ease,visibility .3s ease;z-index:70;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:82%;max-width:330px;background:#fff;z-index:80;
  padding:22px;transform:translateX(102%);transition:transform .32s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;gap:22px;overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{
  width:38px;height:38px;border-radius:12px;border:1px solid var(--line);background:#fff;
  font-size:22px;line-height:1;cursor:pointer;color:var(--ink-2);
}
.drawer-nav{display:flex;flex-direction:column;gap:4px}
.drawer-nav a{
  padding:13px 12px;border-radius:12px;font-size:16px;font-weight:600;color:var(--ink-2);
  border:1px solid transparent;transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.drawer-nav a:hover{background:var(--surface-2);color:var(--ink)}
.drawer-nav a.is-active{color:var(--primary);background:var(--primary-soft);border-color:rgba(255,107,44,.2)}
.drawer-foot{margin-top:auto;border-top:1px solid var(--line);padding-top:16px;font-size:13px;color:var(--ink-3)}

/* ============ 文章主体 ============ */
.page-main{padding:26px 0 0}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-3);
}
.breadcrumb a{color:var(--ink-3);transition:color .2s ease}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:#C9C2D6}
.breadcrumb .current{color:var(--ink-2);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.article-head{max-width:760px;margin:22px auto 0}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:var(--r-btn);
  font-size:12px;font-weight:700;letter-spacing:.2px;
  background:var(--secondary-soft);color:#158275;border:1px solid rgba(43,199,176,.35);
}
.badge-primary{background:var(--primary-soft);color:var(--primary-700);border-color:rgba(255,107,44,.3)}
.article-head h1{
  font-size:clamp(28px,3.6vw,44px);line-height:1.18;font-weight:800;letter-spacing:-.4px;
  margin:16px 0 0;color:var(--ink);
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  font-size:13.5px;color:var(--ink-3);
}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:6px}
.article-meta .meta-item svg{width:15px;height:15px;color:var(--primary)}
.article-meta .meta-num{font-family:var(--font-num);font-size:15px;color:var(--ink-2);font-weight:600}

.article-cover{
  max-width:880px;margin:28px auto 0;aspect-ratio:16/9;border-radius:var(--r-kv);
  overflow:hidden;background:var(--surface-2);box-shadow:var(--shadow);
}
.article-cover img{width:100%;height:100%;object-fit:cover}

.article-body{
  max-width:760px;margin:42px auto 0;
  font-size:17px;line-height:1.95;color:var(--ink-2);
}
.article-body p{margin:0 0 1.2em}
.article-body strong{color:var(--ink)}
.article-body h2{
  font-size:clamp(24px,2.4vw,31px);color:var(--ink);line-height:1.32;
  margin:44px 0 16px;border-left:4px solid var(--primary);padding-left:13px;
}
.article-body h3{font-size:21px;color:var(--ink);margin:34px 0 12px}
.article-body h4{font-size:18px;color:var(--ink);margin:26px 0 10px}
.article-body a{color:var(--primary-700);border-bottom:1px solid rgba(255,107,44,.42);transition:color .2s ease,border-color .2s ease}
.article-body a:hover{color:var(--primary);border-bottom-color:var(--primary)}
.article-body ul{list-style:none;padding-left:0;margin:0 0 1.4em}
.article-body ul li{position:relative;padding-left:22px;margin:.5em 0}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:.75em;width:8px;height:8px;border-radius:3px;background:var(--primary);
}
.article-body ol{list-style:none;counter-reset:li;padding-left:0;margin:0 0 1.4em}
.article-body ol li{counter-increment:li;position:relative;padding-left:38px;margin:.6em 0}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:.28em;width:25px;height:25px;border-radius:8px;
  background:var(--primary-soft);color:var(--primary-700);font-family:var(--font-num);
  font-size:14px;font-weight:700;display:grid;place-items:center;
}
.article-body blockquote{
  margin:0 0 1.5em;padding:18px 22px;background:var(--primary-soft);
  border-left:4px solid var(--primary);border-radius:0 12px 12px 0;color:var(--ink-2);font-size:16.5px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body figure{margin:0 0 1.8em}
.article-body img{border-radius:12px;margin:0 auto;width:100%;height:auto}
.article-body figcaption,.article-body .img-caption{
  font-size:13px;color:var(--ink-3);text-align:center;margin-top:10px;line-height:1.7;
}
.article-body table{
  width:100%;border-collapse:collapse;margin:0 0 1.6em;font-size:15.5px;
  border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff;
}
.article-body th{background:var(--surface-2);color:var(--ink);text-align:left;font-weight:700}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line)}
.article-body tbody tr:nth-child(even){background:#FAF8FC}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0}

.empty-state{
  text-align:center;background:var(--surface);border:1px dashed var(--line);border-radius:var(--r-card);
  padding:56px 28px;box-shadow:var(--shadow);
}
.empty-icon{
  width:64px;height:64px;margin:0 auto 18px;border-radius:20px;display:grid;place-items:center;
  background:var(--primary-soft);color:var(--primary);
}
.empty-icon svg{width:30px;height:30px}
.empty-state h2{font-size:22px;color:var(--ink);margin-bottom:10px}
.empty-state p{font-size:15px;color:var(--ink-3);max-width:46ch;margin:0 auto 22px}

/* 返回 */
.back-row{max-width:760px;margin:34px auto 0;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.back-link{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:700;color:var(--primary-700)}
.back-link svg{width:16px;height:16px;transition:transform .2s ease}
.back-link:hover svg{transform:translateX(-3px)}
.tip-line{font-size:13px;color:var(--ink-3)}

/* ============ 相关推荐 ============ */
.related{padding:var(--s7) 0 0}
.section-head{margin-bottom:28px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;color:var(--primary-700);
  background:var(--primary-soft);border:1px solid rgba(255,107,44,.24);padding:5px 13px;border-radius:var(--r-btn);
}
.section-head h2{font-size:clamp(24px,2.6vw,32px);margin:14px 0 0;position:relative;padding-left:14px}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:3px;background:var(--primary);
}
.section-head p{margin-top:10px;color:var(--ink-3);font-size:15px}

.card-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.rcard{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.rcard:hover{transform:translateY(-4px);border-color:var(--primary);box-shadow:var(--shadow-lg)}
.rcard-media{aspect-ratio:16/10;background:var(--surface-2);overflow:hidden}
.rcard-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.rcard:hover .rcard-media img{transform:scale(1.05)}
.rcard-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rcard-body h3{font-size:19px;line-height:1.4}
.rcard-body p{font-size:14.5px;color:var(--ink-3);line-height:1.75}
.rcard-more{
  margin-top:auto;display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--primary-700);
}
.rcard-more svg{width:15px;height:15px;transition:transform .2s ease}
.rcard:hover .rcard-more svg{transform:translateX(3px)}

/* ============ 深色 CTA ============ */
.cta-section{padding:var(--s7) 0 0}
.cta-band{
  background:linear-gradient(120deg,var(--ink-bg) 0%,var(--ink-bg-2) 100%);
  color:#fff;border-radius:24px;padding:48px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(168,85,247,.35),transparent 68%);
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{font-size:clamp(24px,2.8vw,32px);color:#fff}
.cta-band p{margin-top:12px;color:rgba(255,255,255,.72);font-size:15.5px;max-width:52ch}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-bg);color:rgba(255,255,255,.72);margin-top:var(--s7);padding:64px 0 0;font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand .logo{color:#fff}
.footer-brand .logo-text{color:#fff}
.footer-brand p{margin:18px 0;line-height:1.85;font-size:14.5px;color:rgba(255,255,255,.72);max-width:34ch}
.footer-social{display:flex;gap:10px}
.footer-social a{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.14);color:rgba(255,255,255,.72);
  transition:background .2s ease,border-color .2s ease,color .2s ease,transform .2s ease;
}
.footer-social a:hover{background:rgba(255,107,44,.16);border-color:var(--primary);color:#fff;transform:translateY(-2px)}
.footer-social svg{width:18px;height:18px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;font-weight:700}
.footer-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:11px}
.footer-col a{color:rgba(255,255,255,.72);transition:color .2s ease,padding-left .2s ease}
.footer-col a:hover{color:var(--primary)}
.footer-contact-line{display:flex;align-items:flex-start;gap:9px;margin-bottom:12px;line-height:1.7}
.footer-contact-line svg{width:16px;height:16px;margin-top:5px;color:var(--primary);flex:none}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;
  display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.65)}
.footer-bottom a:hover{color:var(--primary)}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .nav-search{width:170px}
}
@media (max-width:1024px){
  .main-nav{display:none}
  .nav-search{display:none}
  .nav-toggle{display:grid}
  .header-inner{height:64px}
  .cta-band{padding:38px;gap:26px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .page-main{padding:20px 0 0}
  .article-body{font-size:16.5px;line-height:1.9;margin-top:32px}
  .article-body h2{font-size:23px;margin-top:36px}
  .article-body h3{font-size:19px}
  .article-cover{margin-top:22px}
  .card-grid-3{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 26px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
  .related{padding-top:56px}
  .cta-section{padding-top:56px}
  .site-footer{margin-top:56px;padding-top:48px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .header-inner{height:56px;gap:12px}
  .logo{font-size:16.5px}
  .logo-mark{width:30px;height:30px;border-radius:10px}
  .article-head h1{font-size:28px;line-height:1.22}
  .article-meta{gap:8px 14px;font-size:13px}
  .breadcrumb .current{white-space:normal;max-width:100%}
  .article-cover{border-radius:16px}
  .article-body{font-size:16px}
  .article-body ul li{padding-left:20px}
  .footer-grid{grid-template-columns:1fr}
  .btn{height:40px;padding:0 20px}
  .cta-actions{flex-direction:column}
  .cta-actions .btn{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
:root{
  --bg:#F7F5F9;
  --surface:#FFFFFF;
  --surface-2:#F1EDF6;
  --ink-bg:#171125;
  --ink-bg-2:#241A38;
  --primary:#FF6B2C;
  --primary-700:#E2541A;
  --primary-soft:#FFF1E8;
  --secondary:#2BC7B0;
  --secondary-soft:#E7FAF6;
  --accent:#A855F7;
  --ink:#1C1726;
  --ink-2:#4A4358;
  --ink-3:#8A8398;
  --line:#E7E1EF;
  --line-dark:rgba(255,255,255,.12);
  --radius-pill:999px;
  --radius-card:16px;
  --radius-lg:20px;
  --radius-input:12px;
  --shadow-sm:0 8px 24px rgba(28,23,38,.08);
  --shadow-md:0 12px 32px rgba(28,23,38,.10);
  --shadow-lg:0 18px 48px rgba(28,23,38,.16);
  --glow:0 0 0 1px rgba(255,107,44,.28), 0 14px 36px rgba(255,107,44,.16);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"Barlow Semi Condensed",system-ui,-apple-system,sans-serif;
  --s1:8px; --s2:16px; --s3:24px; --s4:32px; --s5:40px; --s6:56px; --s7:72px; --s8:96px;
  --header-h:68px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease;}
button,input,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:800;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:700;line-height:1;white-space:nowrap;
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(255,107,44,.28);}
.btn-primary:hover{transform:translateY(-2px);background:var(--primary-700);box-shadow:0 14px 30px rgba(255,107,44,.36);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(255,107,44,.26);}
.btn-ghost{background:var(--surface);color:var(--primary-700);border-color:rgba(255,107,44,.4);}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--primary);box-shadow:var(--shadow-sm);}
.btn-ghost:active{transform:translateY(0);}
.btn-dark-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.36);}
.btn-dark-ghost:hover{transform:translateY(-2px);border-color:#fff;background:rgba(255,255,255,.08);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.6;pointer-events:none;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 20px rgba(28,23,38,.07);}
.header-inner{
  display:flex;align-items:center;gap:var(--s3);
  height:var(--header-h);
}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:34px;height:34px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--primary),var(--accent));
  color:#fff;box-shadow:0 6px 16px rgba(255,107,44,.32);
}
.logo-mark svg{width:19px;height:19px;}
.logo-text{font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--ink);}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:var(--s2);}
.nav-link{
  position:relative;padding:8px 14px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;color:var(--ink-2);white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--primary);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .25s ease;
}
.nav-link:hover{color:var(--ink);background:var(--surface-2);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--primary-700);}
.nav-link.is-active::after{transform:scaleX(1);}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.search-box{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 16px;min-width:220px;
  background:var(--surface-2);border:1px solid transparent;border-radius:var(--radius-pill);
  transition:border-color .2s ease,background-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{background:#fff;border-color:var(--primary);box-shadow:0 0 0 4px rgba(255,107,44,.12);}
.search-box svg{width:16px;height:16px;color:var(--ink-3);flex-shrink:0;}
.search-box input{
  width:100%;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--ink);
}
.search-box input::placeholder{color:var(--ink-3);}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;
  align-items:center;justify-content:center;color:var(--ink);
  border:1px solid var(--line);background:#fff;
}
.nav-toggle svg{width:20px;height:20px;}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:90;background:rgba(23,17,37,.5);
  opacity:0;pointer-events:none;transition:opacity .25s ease;
}
.drawer.is-open{opacity:1;pointer-events:auto;}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;width:min(320px,86vw);
  background:#fff;padding:20px;display:flex;flex-direction:column;gap:18px;
  transform:translateX(100%);transition:transform .3s cubic-bezier(.4,0,.2,1);
  box-shadow:-16px 0 40px rgba(28,23,38,.2);
}
.drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{width:38px;height:38px;border-radius:12px;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;}
.drawer-close svg{width:18px;height:18px;}
.drawer-nav{display:flex;flex-direction:column;gap:4px;}
.drawer-nav a{padding:12px 14px;border-radius:12px;font-weight:600;color:var(--ink-2);}
.drawer-nav a:hover{background:var(--surface-2);color:var(--ink);}
.drawer-nav a.is-active{background:var(--primary-soft);color:var(--primary-700);}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;
  padding:var(--s7) 0 var(--s6);
  background-color:var(--bg);
  background-image:
    linear-gradient(180deg,rgba(247,245,249,.95) 0%,rgba(247,245,249,.99) 70%,#F7F5F9 100%),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.page-hero-inner{
  display:grid;grid-template-columns:1.05fr .95fr;gap:var(--s6);align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--radius-pill);
  background:var(--primary-soft);color:var(--primary-700);
  font-size:12px;font-weight:700;letter-spacing:.08em;
  border:1px solid rgba(255,107,44,.14);
}
.page-hero h1{
  margin-top:18px;
  font-size:clamp(30px,4.2vw,50px);
  line-height:1.15;
}
.page-hero-sub{
  margin-top:16px;max-width:520px;
  font-size:18px;color:var(--ink-2);
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:700;
  background:var(--secondary-soft);color:#128D7C;
  border:1px solid rgba(43,199,176,.22);
}
.tag.tag-accent{background:#F6EDFF;color:#7B2FD0;border-color:rgba(168,85,247,.22);}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.page-hero-media{
  position:relative;margin:0;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-lg);aspect-ratio:16/9;background:var(--surface-2);
}
.page-hero-media img{width:100%;height:100%;object-fit:cover;}
.page-hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(23,17,37,0) 55%,rgba(23,17,37,.28) 100%);
}

/* ---------- 板块通用 ---------- */
.section{padding:var(--s8) 0;}
.section-tight{padding:var(--s7) 0;}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:720px;margin-bottom:var(--s5);}
.section-head h2{
  position:relative;font-size:clamp(24px,3vw,32px);
  padding-left:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:4px;
  background:var(--primary);
}
.section-head p{margin-top:12px;color:var(--ink-2);font-size:16px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head.center h2{padding-left:0;}
.section-head.center h2::before{left:50%;top:auto;bottom:-14px;width:44px;height:4px;transform:translateX(-50%);}

/* ---------- 要点清单 ---------- */
.point-list{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--line);}
.point-item{
  display:grid;grid-template-columns:64px 1fr;gap:var(--s3);align-items:start;
  padding:26px 20px;border-bottom:1px solid var(--line);
  transition:background-color .2s ease,padding-left .2s ease;
}
.point-item:hover{background:var(--surface);padding-left:26px;}
.point-num{
  font-family:var(--font-num);font-size:30px;font-weight:700;line-height:1;
  color:var(--primary);letter-spacing:.02em;
}
.point-item h3{font-size:20px;}
.point-item p{margin-top:8px;color:var(--ink-2);font-size:16px;max-width:760px;}

/* ---------- 交错图文 ---------- */
.zig-list{display:flex;flex-direction:column;gap:var(--s7);}
.zig{
  display:grid;grid-template-columns:1fr 1fr;gap:var(--s6);align-items:center;
}
.zig-media{
  margin:0;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-md);aspect-ratio:16/10;background:var(--surface-2);
}
.zig-media img{width:100%;height:100%;object-fit:cover;}
.zig:nth-child(even) .zig-media{order:2;}
.zig-body .zig-badge{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-num);font-size:13px;font-weight:700;letter-spacing:.12em;
  color:var(--primary-700);background:var(--primary-soft);
  border:1px solid rgba(255,107,44,.16);
  padding:5px 12px;border-radius:var(--radius-pill);
}
.zig-body h3{margin-top:16px;font-size:24px;}
.zig-body p{margin-top:14px;color:var(--ink-2);max-width:540px;}
.zig-link{
  display:inline-flex;align-items:center;gap:8px;margin-top:20px;
  font-size:15px;font-weight:700;color:var(--primary-700);
}
.zig-link svg{width:16px;height:16px;transition:transform .2s ease;}
.zig-link:hover{color:var(--primary);}
.zig-link:hover svg{transform:translateX(4px);}

/* ---------- 流程步骤 ---------- */
.steps{
  display:grid;grid-template-columns:repeat(4,1fr);gap:var(--s3);
  position:relative;margin-top:var(--s4);
}
.step{
  position:relative;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px 22px;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.step:hover{transform:translateY(-4px);border-color:var(--primary);box-shadow:var(--shadow-md);}
.step-idx{
  font-family:var(--font-num);font-size:13px;font-weight:700;letter-spacing:.1em;
  color:var(--ink-3);
}
.step h3{margin-top:10px;font-size:19px;}
.step p{margin-top:10px;font-size:15px;color:var(--ink-2);line-height:1.75;}
.step-line{
  position:absolute;left:22px;right:22px;top:-14px;height:2px;background:var(--line);border-radius:2px;
}
.steps .step:first-child .step-line{display:none;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:880px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);
  border-left:3px solid transparent;
  border-radius:var(--radius-card);overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item:hover{box-shadow:var(--shadow-sm);}
.faq-item[open]{border-left-color:var(--primary);box-shadow:var(--shadow-sm);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;gap:14px;
  padding:20px 22px;font-size:17px;font-weight:700;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-q{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--surface-2);color:var(--ink-2);
  font-family:var(--font-num);font-size:14px;font-weight:700;
}
.faq-item[open] .faq-q{background:var(--primary);color:#fff;}
.faq-caret{margin-left:auto;width:18px;height:18px;color:var(--ink-3);transition:transform .25s ease;flex-shrink:0;}
.faq-item[open] .faq-caret{transform:rotate(180deg);color:var(--primary);}
.faq-answer{
  padding:0 22px 22px 62px;color:var(--ink-2);font-size:16px;
  animation:fadeIn .3s ease;
}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:translateY(0);}}

/* ---------- 相关频道 ---------- */
.related-bar{
  margin-top:var(--s7);
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:24px;
  display:flex;flex-wrap:wrap;align-items:center;gap:16px;
  box-shadow:var(--shadow-sm);
}
.related-bar h3{font-size:16px;color:var(--ink-2);font-weight:700;}
.chip-row{display:flex;flex-wrap:wrap;gap:12px;margin-left:auto;}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:var(--radius-pill);
  background:var(--surface-2);border:1px solid var(--line);
  font-size:14px;font-weight:700;color:var(--ink-2);
  transition:transform .2s ease,border-color .2s ease,color .2s ease,background-color .2s ease;
}
.chip svg{width:15px;height:15px;}
.chip:hover{transform:translateY(-2px);border-color:var(--primary);color:var(--primary-700);background:var(--primary-soft);}

/* ---------- 深色 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--ink-bg);
  color:#fff;
  padding:var(--s8) 0;
}
.cta-band::before{
  content:"";position:absolute;width:520px;height:520px;right:-140px;top:-180px;
  background:radial-gradient(circle,rgba(255,107,44,.34),transparent 68%);
  pointer-events:none;
}
.cta-band::after{
  content:"";position:absolute;width:420px;height:420px;left:-160px;bottom:-200px;
  background:radial-gradient(circle,rgba(168,85,247,.28),transparent 68%);
  pointer-events:none;
}
.cta-inner{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1fr 1fr;gap:var(--s6);align-items:center;
}
.cta-copy h2{font-size:clamp(24px,3vw,34px);}
.cta-copy p{margin-top:16px;color:rgba(255,255,255,.72);max-width:460px;}
.cta-points{margin-top:26px;display:flex;flex-direction:column;gap:12px;}
.cta-points li{display:flex;align-items:center;gap:10px;font-size:15px;color:rgba(255,255,255,.86);}
.cta-points svg{width:18px;height:18px;color:var(--secondary);flex-shrink:0;}
.cta-card{
  background:var(--ink-bg-2);
  border:1px solid var(--line-dark);
  border-radius:var(--radius-lg);
  padding:28px;
  box-shadow:var(--glow);
}
.cta-card h3{font-size:20px;}
.cta-card > p{margin-top:8px;font-size:14px;color:rgba(255,255,255,.6);}
.lead-form{margin-top:20px;display:flex;flex-direction:column;gap:14px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field label{font-size:13px;font-weight:600;color:rgba(255,255,255,.72);}
.field input,.field textarea{
  width:100%;border-radius:var(--radius-input);
  border:1px solid var(--line-dark);
  background:rgba(255,255,255,.06);
  padding:12px 14px;font-size:15px;color:#fff;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
  resize:vertical;
}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.4);}
.field input:focus,.field textarea:focus{
  border-color:var(--primary);background:rgba(255,255,255,.1);
  box-shadow:0 0 0 4px rgba(255,107,44,.18);
}
.form-tip{font-size:13px;color:rgba(255,255,255,.55);}
.form-tip.is-ok{color:var(--secondary);}
.privacy-note{margin-top:14px;font-size:12px;color:rgba(255,255,255,.45);line-height:1.7;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-bg);color:rgba(255,255,255,.72);padding:var(--s7) 0 0;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:var(--s5);
  padding-bottom:var(--s6);
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.85;max-width:320px;color:rgba(255,255,255,.62);}
.footer-social{display:flex;gap:10px;margin-top:20px;}
.footer-social a{
  width:38px;height:38px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line-dark);color:rgba(255,255,255,.8);
  transition:transform .2s ease,border-color .2s ease,background-color .2s ease;
}
.footer-social a:hover{transform:translateY(-2px);border-color:var(--primary);background:rgba(255,107,44,.14);color:#fff;}
.footer-social svg{width:17px;height:17px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);}
.footer-col a:hover{color:var(--primary);}
.footer-contact-line{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:rgba(255,255,255,.66);margin-bottom:12px;}
.footer-contact-line svg{width:16px;height:16px;flex-shrink:0;margin-top:4px;color:var(--secondary);}
.footer-bottom{
  border-top:1px solid var(--line-dark);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 图片占位 ---------- */
.img-fallback{background:var(--surface-2);position:relative;}
.img-fallback::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(135deg,rgba(255,107,44,.10),rgba(43,199,176,.10));
}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .search-box{min-width:170px;}
  .main-nav{margin-left:0;}
}
@media (max-width:1024px){
  .main-nav,.search-box{display:none;}
  .nav-toggle{display:inline-flex;}
  .zig{gap:var(--s4);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .steps .step:nth-child(3) .step-line{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:var(--s4);}
}
@media (max-width:768px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .section{padding:var(--s6) 0;}
  .section-tight{padding:var(--s5) 0;}
  .page-hero{padding:var(--s5) 0 var(--s6);}
  .page-hero-inner{grid-template-columns:1fr;gap:var(--s4);}
  .page-hero h1{font-size:30px;}
  .page-hero-sub{font-size:16px;}
  .page-hero-media{order:-1;}
  .zig{grid-template-columns:1fr;gap:var(--s3);}
  .zig:nth-child(even) .zig-media{order:0;}
  .zig-body h3{font-size:21px;}
  .point-item{grid-template-columns:44px 1fr;padding:22px 4px;gap:var(--s2);}
  .point-item:hover{padding-left:8px;}
  .point-num{font-size:24px;}
  .steps{grid-template-columns:1fr;}
  .steps .step-line{display:none;}
  .cta-inner{grid-template-columns:1fr;gap:var(--s4);}
  .cta-band{padding:var(--s6) 0;}
  .related-bar h3{width:100%;}
  .chip-row{margin-left:0;width:100%;}
  .faq-answer{padding-left:22px;}
  .site-footer{padding-top:var(--s6);}
  .footer-grid{grid-template-columns:1fr;gap:var(--s4);}
  .footer-bottom{justify-content:flex-start;}
}
@media (max-width:480px){
  .logo-text{font-size:17px;}
  .header-actions{gap:8px;}
  .btn-sm{padding:0 14px;font-size:13px;}
  .page-hero h1{font-size:27px;}
  .hero-cta .btn{width:100%;}
  .chip{width:100%;justify-content:center;}
  .cta-card{padding:20px;}
}

/* roulang page: category2 */
:root{
  --bg:#F7F5F9;
  --surface:#FFFFFF;
  --surface-2:#F1EDF6;
  --ink-bg:#171125;
  --ink-bg-2:#241A38;
  --primary:#FF6B2C;
  --primary-700:#E2541A;
  --primary-soft:#FFF1E8;
  --secondary:#2BC7B0;
  --secondary-soft:#E6F9F5;
  --accent:#A855F7;
  --ink:#1C1726;
  --ink-2:#4A4358;
  --ink-3:#8A8398;
  --line:#E7E1EF;
  --line-dark:rgba(255,255,255,.12);
  --radius-pill:999px;
  --radius-card:16px;
  --radius-kv:20px;
  --radius-input:12px;
  --shadow-sm:0 8px 24px rgba(28,23,38,.08);
  --shadow-md:0 14px 34px rgba(28,23,38,.10);
  --shadow-lg:0 22px 52px rgba(28,23,38,.16);
  --glow:0 0 0 1px rgba(255,107,44,.28), 0 14px 36px rgba(255,107,44,.16);
  --container:1200px;
  --nav-h:68px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"Barlow Semi Condensed",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,textarea{font-family:inherit;font-size:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.2;letter-spacing:-.01em;}
p{margin:0;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{
  font-size:32px;
  position:relative;
  padding-left:16px;
  margin-bottom:14px;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:4px;border-radius:2px;
  background:var(--primary);
}
.section-head p{color:var(--ink-2);font-size:16px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;
  color:var(--primary-700);
  text-transform:uppercase;
  font-weight:700;
  margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--primary);border-radius:2px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;
  font-size:12px;font-weight:700;
  border-radius:var(--radius-pill);
  background:var(--secondary-soft);
  color:#12836F;
  border:1px solid rgba(43,199,176,.28);
  line-height:1.6;
}
.badge--primary{background:var(--primary-soft);color:var(--primary-700);border-color:rgba(255,107,44,.28);}
.badge--muted{background:var(--surface-2);color:var(--ink-3);border-color:var(--line);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;
  border-radius:var(--radius-pill);
  font-size:15px;font-weight:700;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .22s ease, box-shadow .22s ease, background-color .22s ease, color .22s ease, border-color .22s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary) 0%, #ff8a4d 100%);
  color:#fff;
  box-shadow:0 10px 24px rgba(255,107,44,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,107,44,.38);filter:brightness(1.04);}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 18px rgba(255,107,44,.26);}
.btn-ghost{
  background:var(--surface);color:var(--primary-700);
  border-color:rgba(255,107,44,.45);
  box-shadow:var(--shadow-sm);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--primary);background:var(--primary-soft);}
.btn-ghost:active{transform:translateY(0);}
.btn-on-dark{
  background:rgba(255,255,255,.06);color:#fff;border-color:rgba(255,255,255,.34);
}
.btn-on-dark:hover{transform:translateY(-2px);background:rgba(255,255,255,.14);border-color:#fff;}
.btn-block{width:100%;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease, border-color .25s ease;
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 6px 22px rgba(28,23,38,.07);
}
.header-inner{
  height:var(--nav-h);
  display:flex;align-items:center;gap:28px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:36px;height:36px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--primary) 0%, #ffa06a 100%);
  color:#fff;
  box-shadow:0 8px 18px rgba(255,107,44,.32);
}
.logo-mark svg{width:20px;height:20px;}
.logo-text{font-size:18px;font-weight:800;letter-spacing:.01em;color:var(--ink);}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-link{
  position:relative;
  padding:10px 14px;
  font-size:15px;font-weight:600;
  color:var(--ink-2);
  border-radius:10px;
  transition:color .2s ease, background-color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;
  height:2px;border-radius:2px;background:var(--primary);
  transform:scaleX(0);transform-origin:left;
  transition:transform .25s ease;
}
.nav-link:hover{color:var(--primary-700);background:var(--primary-soft);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--primary-700);}
.nav-link.is-active::after{transform:scaleX(1);}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:14px;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 16px;
  background:var(--surface-2);
  border:1px solid transparent;
  border-radius:var(--radius-pill);
  transition:border-color .2s ease, background-color .2s ease, box-shadow .2s ease;
}
.nav-search:focus-within{
  background:#fff;border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(255,107,44,.12);
}
.nav-search svg{width:16px;height:16px;color:var(--ink-3);flex-shrink:0;}
.nav-search input{
  width:150px;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--ink);
}
.nav-search input::placeholder{color:var(--ink-3);}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  border-radius:12px;border:1px solid var(--line);
  background:#fff;cursor:pointer;
  align-items:center;justify-content:center;
}
.nav-toggle svg{width:20px;height:20px;color:var(--ink);}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);
  background:#fff;z-index:80;
  transform:translateX(102%);
  transition:transform .3s ease;
  box-shadow:-16px 0 44px rgba(28,23,38,.18);
  padding:22px;
  display:flex;flex-direction:column;gap:10px;
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);
  background:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;
}
.drawer-close svg{width:18px;height:18px;}
.drawer-link{
  padding:13px 16px;border-radius:12px;font-weight:600;font-size:15px;
  color:var(--ink-2);background:var(--surface-2);
  transition:background-color .2s ease,color .2s ease;
}
.drawer-link:hover{background:var(--primary-soft);color:var(--primary-700);}
.drawer-link.is-active{background:var(--primary-soft);color:var(--primary-700);}
.drawer-cta{margin-top:8px;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(23,17,37,.5);
  opacity:0;visibility:hidden;transition:opacity .3s ease, visibility .3s ease;z-index:70;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ---------- 页头 ---------- */
.page-hero{
  background:linear-gradient(180deg,#FFFFFF 0%, var(--bg) 100%);
  border-bottom:1px solid var(--line);
  padding:64px 0 72px;
  position:relative;
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:-160px;
  width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(168,85,247,.16) 0%, rgba(168,85,247,0) 68%);
  pointer-events:none;
}
.page-hero-inner{
  display:grid;grid-template-columns:1.05fr .95fr;
  gap:56px;align-items:center;position:relative;z-index:1;
}
.breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-3);margin-bottom:18px;
}
.breadcrumb a{color:var(--ink-3);transition:color .2s ease;}
.breadcrumb a:hover{color:var(--primary-700);}
.breadcrumb span.sep{color:#C8C1D4;}
.breadcrumb .current{color:var(--ink-2);font-weight:600;}
.page-hero h1{
  font-size:46px;font-weight:800;line-height:1.15;
  margin:14px 0 16px;
}
.page-hero h1 em{
  font-style:normal;
  background:linear-gradient(180deg,transparent 62%, rgba(255,107,44,.28) 62%);
  padding:0 2px;
}
.page-hero .lead{font-size:17px;color:var(--ink-2);max-width:520px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:28px;margin-top:34px;
  padding-top:26px;border-top:1px dashed var(--line);
}
.hero-meta .item{display:flex;flex-direction:column;gap:2px;}
.hero-meta .num{
  font-family:var(--font-num);font-size:30px;font-weight:700;
  color:var(--primary);line-height:1.1;
}
.hero-meta .label{font-size:13px;color:var(--ink-3);}
.page-hero-media{
  position:relative;margin:0;
  border-radius:var(--radius-kv);
  overflow:hidden;
  box-shadow:var(--shadow-lg);
  border:1px solid var(--line);
  aspect-ratio:16/9;
  background:var(--surface-2);
}
.page-hero-media img{width:100%;height:100%;object-fit:cover;}
.page-hero-media figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:32px 20px 14px;
  font-size:13px;color:rgba(255,255,255,.9);
  background:linear-gradient(180deg, rgba(23,17,37,0) 0%, rgba(23,17,37,.78) 100%);
}

/* ---------- 层级概览 ---------- */
.overview{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.overview-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px;
  box-shadow:var(--shadow-sm);
  transition:transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.overview-card:hover{transform:translateY(-4px);border-color:var(--primary);box-shadow:var(--shadow-md);}
.overview-card .num{
  font-family:var(--font-num);font-size:38px;font-weight:700;color:var(--primary);line-height:1;
}
.overview-card h3{font-size:18px;margin:12px 0 6px;}
.overview-card p{font-size:14.5px;color:var(--ink-2);}

/* ---------- 奖励卡网格 ---------- */
.reward-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.reward-card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;
  transition:transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.reward-card:hover{transform:translateY(-4px);border-color:var(--primary);box-shadow:var(--shadow-md);}
.reward-media{position:relative;aspect-ratio:16/10;background:var(--surface-2);overflow:hidden;}
.reward-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.reward-card:hover .reward-media img{transform:scale(1.04);}
.reward-media .tag{
  position:absolute;left:14px;top:14px;
}
.reward-media .state{
  position:absolute;right:14px;top:14px;
  padding:5px 12px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:700;
  backdrop-filter:blur(6px);
}
.state--on{background:rgba(43,199,176,.92);color:#04372E;border:1px solid rgba(255,255,255,.5);}
.state--off{background:rgba(23,17,37,.55);color:rgba(255,255,255,.86);border:1px solid rgba(255,255,255,.28);}
.reward-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.reward-body h3{font-size:21px;}
.reward-value{
  display:flex;align-items:baseline;gap:8px;
  font-family:var(--font-num);
}
.reward-value .num{font-size:42px;font-weight:700;color:var(--primary);line-height:1;}
.reward-value .unit{font-size:14px;color:var(--ink-3);font-weight:600;font-family:var(--font-cn);}
.reward-cond{font-size:14.5px;color:var(--ink-2);}
.reward-meta{
  display:flex;flex-wrap:wrap;gap:10px 20px;
  font-size:13px;color:var(--ink-3);
  padding-top:14px;border-top:1px dashed var(--line);
}
.reward-meta b{color:var(--ink-2);font-weight:700;}
.reward-foot{margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;gap:12px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--primary-700);
  transition:gap .2s ease,color .2s ease;
}
.link-arrow:hover{gap:11px;color:var(--primary);}
.link-arrow svg{width:15px;height:15px;}

/* ---------- 领取流程 ---------- */
.steps{background:var(--surface-2);}
.step-list{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:step;}
.step-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px 24px;
  position:relative;
  box-shadow:var(--shadow-sm);
}
.step-index{
  width:40px;height:40px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:20px;font-weight:700;
  background:var(--primary-soft);color:var(--primary-700);
  margin-bottom:16px;
}
.step-item h3{font-size:19px;margin-bottom:8px;}
.step-item p{font-size:14.5px;color:var(--ink-2);}
.step-hint{
  margin-top:22px;padding:16px 20px;
  background:#fff;border:1px dashed var(--line);
  border-radius:var(--radius-card);
  font-size:14px;color:var(--ink-2);
  display:flex;gap:12px;align-items:flex-start;
}
.step-hint svg{width:18px;height:18px;color:var(--secondary);flex-shrink:0;margin-top:3px;}

/* ---------- 深色对比区 ---------- */
.dark-band{
  background:radial-gradient(120% 120% at 12% 0%, #2C1F45 0%, var(--ink-bg) 58%);
  color:#fff;
  padding:88px 0;
  position:relative;overflow:hidden;
}
.dark-band::before{
  content:"";position:absolute;left:-160px;bottom:-200px;
  width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle, rgba(255,107,44,.22) 0%, rgba(255,107,44,0) 70%);
}
.dark-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;position:relative;z-index:1;}
.dark-band h2{font-size:32px;color:#fff;margin-bottom:16px;}
.dark-band p{color:rgba(255,255,255,.72);font-size:16px;}
.dark-points{display:grid;gap:14px;margin-top:26px;}
.dark-point{
  display:flex;gap:14px;align-items:flex-start;
  padding:18px 20px;
  border-radius:var(--radius-card);
  background:var(--ink-bg-2);
  border:1px solid var(--line-dark);
  transition:border-color .25s ease, transform .25s ease;
}
.dark-point:hover{transform:translateY(-3px);border-color:rgba(255,107,44,.55);box-shadow:var(--glow);}
.dark-point .dot{
  width:34px;height:34px;border-radius:10px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,107,44,.16);color:#FFB18A;
}
.dark-point .dot svg{width:18px;height:18px;}
.dark-point h3{font-size:17px;color:#fff;margin-bottom:4px;}
.dark-point p{font-size:14px;color:rgba(255,255,255,.66);}

/* ---------- FAQ ---------- */
.faq{max-width:900px;margin:0 auto;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .25s ease, box-shadow .25s ease;
}
.faq-item:hover{border-color:#D9D0E6;}
.faq-item[open]{border-color:rgba(255,107,44,.5);box-shadow:var(--shadow-sm);}
.faq-item summary{
  cursor:pointer;list-style:none;
  padding:20px 24px 20px 56px;
  font-size:17px;font-weight:700;
  position:relative;
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"?";
  position:absolute;left:20px;top:50%;transform:translateY(-50%);
  width:24px;height:24px;border-radius:50%;
  background:var(--primary-soft);color:var(--primary-700);
  font-size:13px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
}
.faq-item summary::after{
  content:"";
  position:absolute;right:24px;top:50%;
  width:9px;height:9px;
  border-right:2px solid var(--ink-3);
  border-bottom:2px solid var(--ink-3);
  transform:translateY(-70%) rotate(45deg);
  transition:transform .3s ease, border-color .3s ease;
}
.faq-item[open] summary{color:var(--primary-700);}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg);border-color:var(--primary);}
.faq-item[open] summary::before{background:var(--primary);color:#fff;}
.faq-answer{
  padding:0 24px 22px 56px;
  font-size:15.5px;color:var(--ink-2);
  position:relative;
  animation:fadeUp .32s ease;
}
.faq-answer::before{
  content:"";position:absolute;left:0;top:0;bottom:20px;
  width:3px;background:var(--primary);border-radius:0 3px 3px 0;
}
@keyframes fadeUp{from{opacity:0;transform:translateY(-6px);}to{opacity:1;transform:translateY(0);}}

/* ---------- 相关频道 ---------- */
.related{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  padding:26px 28px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);
}
.related strong{font-size:15px;margin-right:6px;}
.pill-link{
  display:inline-flex;align-items:center;gap:8px;
  height:40px;padding:0 18px;
  border-radius:var(--radius-pill);
  background:var(--surface-2);
  border:1px solid var(--line);
  font-size:14px;font-weight:600;color:var(--ink-2);
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.pill-link:hover{background:var(--primary-soft);color:var(--primary-700);border-color:rgba(255,107,44,.4);transform:translateY(-2px);}
.pill-link svg{width:15px;height:15px;}

/* ---------- CTA 表单 ---------- */
.cta-form{
  background:var(--ink-bg-2);
  border:1px solid var(--line-dark);
  border-radius:var(--radius-kv);
  padding:28px;
  display:grid;gap:16px;
  box-shadow:var(--glow);
}
.field{display:grid;gap:8px;}
.field label{font-size:13px;color:rgba(255,255,255,.72);font-weight:600;}
.field input,.field textarea{
  width:100%;
  background:rgba(255,255,255,.96);
  border:1px solid transparent;
  border-radius:var(--radius-input);
  padding:12px 14px;
  font-size:15px;
  outline:none;
  transition:box-shadow .2s ease, border-color .2s ease;
}
.field textarea{min-height:88px;resize:vertical;}
.field input:focus,.field textarea:focus{
  border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(255,107,44,.22);
}
.form-note{font-size:12px;color:rgba(255,255,255,.5);line-height:1.7;}
.form-success{
  display:none;
  font-size:14px;color:#8FF0DE;
  background:rgba(43,199,176,.14);
  border:1px solid rgba(43,199,176,.4);
  border-radius:12px;padding:12px 14px;
}
.form-success.is-show{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-bg);
  color:rgba(255,255,255,.72);
  padding:72px 0 0;
  font-size:14.5px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .logo-text{color:#fff;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);max-width:320px;}
.footer-social{display:flex;gap:10px;margin-top:20px;}
.footer-social a{
  width:38px;height:38px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.07);
  border:1px solid var(--line-dark);
  transition:background-color .2s ease,border-color .2s ease,transform .2s ease;
}
.footer-social a:hover{background:rgba(255,107,44,.2);border-color:rgba(255,107,44,.5);transform:translateY(-2px);}
.footer-social svg{width:18px;height:18px;color:#fff;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:18px;}
.footer-col ul{display:grid;gap:12px;}
.footer-col a{color:rgba(255,255,255,.66);font-size:14px;transition:color .2s ease,padding-left .2s ease;}
.footer-col a:hover{color:var(--primary);padding-left:4px;}
.footer-contact-line{
  display:flex;align-items:center;gap:10px;
  font-size:14px;color:rgba(255,255,255,.66);margin-bottom:12px;
}
.footer-contact-line svg{width:17px;height:17px;color:var(--primary);flex-shrink:0;}
.footer-bottom{
  border-top:1px solid var(--line-dark);
  padding:22px 0;
  display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.6);}
.footer-bottom a:hover{color:var(--primary);}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .container{padding:0 26px;}
  .page-hero h1{font-size:40px;}
}
@media (max-width:1024px){
  .main-nav{display:none;}
  .nav-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .page-hero-inner{grid-template-columns:1fr;gap:36px;}
  .page-hero h1{font-size:36px;}
  .overview{grid-template-columns:repeat(2,1fr);}
  .dark-grid{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .section--tight{padding:48px 0;}
  .section-head h2{font-size:26px;}
  .page-hero{padding:44px 0 52px;}
  .page-hero h1{font-size:30px;}
  .page-hero .lead{font-size:15.5px;}
  .reward-grid{grid-template-columns:1fr;}
  .step-list{grid-template-columns:1fr;}
  .overview{grid-template-columns:1fr;}
  .dark-band{padding:60px 0;}
  .dark-band h2{font-size:26px;}
  .faq-item summary{padding:18px 20px 18px 50px;font-size:16px;}
  .faq-answer{padding:0 20px 20px 50px;font-size:15px;}
  .related{padding:22px 20px;}
  .header-inner{gap:14px;}
  .btn{height:40px;padding:0 18px;font-size:14px;}
}
@media (max-width:480px){
  .page-hero h1{font-size:27px;}
  .hero-meta{gap:18px;}
  .hero-meta .num{font-size:24px;}
  .reward-body{padding:18px 18px 20px;}
  .reward-value .num{font-size:34px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .logo-text{font-size:16px;}
}

/* roulang page: category3 */
/* ============ 设计变量 ============ */
:root{
  --bg:#F7F5F9;
  --surface:#FFFFFF;
  --surface-2:#F1EDF6;
  --ink-bg:#171125;
  --ink-bg-2:#241A38;
  --primary:#FF6B2C;
  --primary-700:#E2541A;
  --primary-soft:#FFF1E8;
  --secondary:#2BC7B0;
  --secondary-soft:#E6F9F5;
  --accent:#A855F7;
  --ink:#1C1726;
  --ink-2:#4A4358;
  --ink-3:#8A8398;
  --line:#E7E1EF;
  --line-dark:rgba(255,255,255,.12);
  --radius-card:16px;
  --radius-lg:20px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow-1:0 8px 24px rgba(28,23,38,.08);
  --shadow-2:0 14px 36px rgba(28,23,38,.12);
  --shadow-glow:0 0 0 1px rgba(255,107,44,.28),0 14px 36px rgba(255,107,44,.16);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-num:"Barlow Semi Condensed",system-ui,-apple-system,sans-serif;
  --container:1200px;
  --gap:8px;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,blockquote,ul,ol{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .22s ease,opacity .22s ease;}
button,input,textarea,select{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}
.section{padding:96px 0;}
.section-tight{padding:64px 0;}

/* ============ 通用标题 ============ */
.section-head{margin-bottom:40px;max-width:760px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;color:var(--primary-700);
  background:var(--primary-soft);
  border:1px solid rgba(255,107,44,.16);
  border-radius:var(--radius-pill);
  padding:5px 14px;margin-bottom:16px;font-weight:600;
}
.section-head h2{
  position:relative;
  font-size:32px;font-weight:800;line-height:1.25;color:var(--ink);
  padding-left:16px;margin-bottom:14px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  border-radius:2px;background:var(--primary);
}
.section-head p{color:var(--ink-2);font-size:16px;}
.section-head-row{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:40px;flex-wrap:wrap;
}
.section-head-row .section-head{margin-bottom:0;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;
  border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;line-height:1;
  white-space:nowrap;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease;
}
.btn-primary{
  background:var(--primary);color:#fff;
  box-shadow:0 8px 20px rgba(255,107,44,.28);
}
.btn-primary:hover{background:var(--primary-700);transform:translateY(-2px);box-shadow:0 14px 28px rgba(255,107,44,.34);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(255,107,44,.24);}
.btn-ghost{
  background:#fff;color:var(--primary-700);
  border:1px solid rgba(255,107,44,.36);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--primary);box-shadow:0 10px 24px rgba(255,107,44,.16);}
.btn-dark-ghost{
  background:rgba(255,255,255,.06);color:#fff;
  border:1px solid rgba(255,255,255,.28);
}
.btn-dark-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-2px);}
.btn-block{width:100%;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--primary-700);
}
.link-arrow svg{width:16px;height:16px;transition:transform .22s ease;}
.link-arrow:hover{color:var(--primary);}
.link-arrow:hover svg{transform:translateX(4px);}

/* ============ 标签 / 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;
  border-radius:var(--radius-pill);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.badge-done{background:var(--secondary-soft);color:#0F8C7C;border:1px solid rgba(43,199,176,.22);}
.badge-active{background:var(--primary-soft);color:var(--primary-700);border:1px solid rgba(255,107,44,.22);}
.badge-idle{background:var(--surface-2);color:var(--ink-3);border:1px solid var(--line);}
.badge-accent{background:rgba(168,85,247,.1);color:#7C36C9;border:1px solid rgba(168,85,247,.2);}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;
  border-bottom:1px solid transparent;
  transition:border-color .24s ease,box-shadow .24s ease;
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 6px 20px rgba(28,23,38,.06);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:68px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none;}
.logo-mark{
  width:34px;height:34px;border-radius:10px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),#FF9A5B);
  color:#fff;box-shadow:0 6px 14px rgba(255,107,44,.28);
}
.logo-mark svg{width:20px;height:20px;}
.logo-text{font-size:18px;font-weight:800;letter-spacing:.01em;color:var(--ink);}
.header-actions{display:flex;align-items:center;gap:26px;}
.main-nav{display:flex;align-items:center;gap:26px;}
.nav-link{
  position:relative;
  font-size:15px;font-weight:500;color:var(--ink-2);
  padding:6px 0;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--primary);border-radius:2px;
  transform:scaleX(0);transform-origin:left center;
  transition:transform .24s ease;
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--primary-700);font-weight:700;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 16px;
  background:var(--surface-2);
  border:1px solid transparent;
  border-radius:var(--radius-pill);
  transition:border-color .22s ease,background-color .22s ease,box-shadow .22s ease;
}
.nav-search:focus-within{
  background:#fff;border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(255,107,44,.12);
}
.nav-search svg{width:16px;height:16px;color:var(--ink-3);flex:none;}
.nav-search input{
  width:132px;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--ink);
}
.nav-search input::placeholder{color:var(--ink-3);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  align-items:center;justify-content:center;
  border:1px solid var(--line);background:#fff;color:var(--ink);
}
.nav-toggle svg{width:20px;height:20px;}
.nav-overlay{
  position:fixed;inset:0;background:rgba(23,17,37,.5);
  opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;
  z-index:70;
}
.nav-overlay.is-open{opacity:1;visibility:visible;}

/* ============ 页头 ============ */
.page-hero{
  background:
    radial-gradient(900px 400px at 88% 12%,rgba(168,85,247,.10),transparent 62%),
    linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);
  border-bottom:1px solid var(--line);
  padding:72px 0 64px;
}
.page-hero-inner{
  display:grid;grid-template-columns:1.05fr .95fr;
  gap:56px;align-items:center;
}
.page-hero-copy .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--primary-700);
  background:var(--primary-soft);border:1px solid rgba(255,107,44,.18);
  border-radius:var(--radius-pill);padding:5px 14px;margin-bottom:18px;
}
.page-hero-copy h1{
  font-size:48px;font-weight:800;line-height:1.15;
  letter-spacing:-.01em;color:var(--ink);margin-bottom:16px;
}
.page-hero-copy .lead{
  font-size:17px;color:var(--ink-2);max-width:520px;margin-bottom:28px;
}
.page-hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.page-hero-media{position:relative;}
.page-hero-media img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-2);
  background:var(--surface-2);
}
.page-hero-media::after{
  content:"";position:absolute;right:-14px;bottom:-14px;
  width:120px;height:120px;border-radius:24px;
  background:radial-gradient(circle at 30% 30%,rgba(255,107,44,.35),rgba(168,85,247,.18));
  filter:blur(28px);z-index:-1;
}

/* ============ 数据概览 ============ */
.stats-bar{
  margin-top:-32px;position:relative;z-index:5;
}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);
  overflow:hidden;
}
.stat-cell{
  padding:24px 26px;
  border-right:1px solid var(--line);
}
.stat-cell:last-child{border-right:0;}
.stat-num{
  font-family:var(--font-num);
  font-size:40px;font-weight:700;line-height:1;
  color:var(--primary);letter-spacing:.01em;
}
.stat-num small{font-size:18px;font-weight:700;margin-left:2px;}
.stat-label{font-size:13px;color:var(--ink-3);margin-top:8px;}

/* ============ 时间轴 ============ */
.timeline{position:relative;padding-top:8px;}
.timeline::before{
  content:"";position:absolute;left:23px;top:16px;bottom:24px;width:2px;
  background:linear-gradient(180deg,var(--primary) 0%,var(--primary) 42%,var(--line) 100%);
  border-radius:2px;
}
.tl-item{
  display:grid;grid-template-columns:48px 1fr;gap:24px;
  padding-bottom:24px;
}
.tl-item:last-child{padding-bottom:0;}
.tl-dot{
  position:relative;z-index:2;
  width:48px;height:48px;border-radius:50%;
  display:grid;place-items:center;
  font-family:var(--font-num);font-size:17px;font-weight:700;
  background:#fff;border:2px solid var(--line);color:var(--ink-3);
  transition:transform .24s ease,box-shadow .24s ease;
}
.tl-item.is-done .tl-dot{
  background:var(--primary);border-color:var(--primary);color:#fff;
  box-shadow:0 8px 18px rgba(255,107,44,.28);
}
.tl-item.is-active .tl-dot{
  background:var(--primary-soft);border-color:var(--primary);color:var(--primary-700);
}
.tl-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px 24px;
  box-shadow:var(--shadow-1);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.tl-card:hover{transform:translateY(-4px);border-color:rgba(255,107,44,.45);box-shadow:var(--shadow-2);}
.tl-card-head{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;margin-bottom:10px;
}
.tl-card-head h3{font-size:20px;font-weight:700;line-height:1.4;color:var(--ink);}
.tl-desc{font-size:15px;color:var(--ink-2);}
.bar{
  height:8px;border-radius:var(--radius-pill);
  background:var(--surface-2);overflow:hidden;margin:16px 0 10px;
}
.bar > span{
  display:block;height:100%;border-radius:var(--radius-pill);
  background:linear-gradient(90deg,var(--primary),var(--primary-700));
  transition:width .6s ease;
}
.bar.is-idle > span{background:var(--line);}
.bar.is-done > span{background:linear-gradient(90deg,var(--secondary),#1FA795);}
.tl-meta{
  display:flex;align-items:center;justify-content:space-between;
  gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-3);
  padding-top:12px;border-top:1px solid var(--line);
}
.tl-meta .pct{font-family:var(--font-num);font-size:16px;font-weight:700;color:var(--primary-700);}
.tl-meta .pct.is-idle{color:var(--ink-3);}
.legend{
  display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px;
}
.legend-item{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-2);
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-pill);padding:6px 14px;
}
.legend-dot{width:8px;height:8px;border-radius:50%;background:var(--primary);}
.legend-dot.dot-done{background:var(--primary);}
.legend-dot.dot-active{background:#fff;border:2px solid var(--primary);}
.legend-dot.dot-idle{background:var(--line);}

/* ============ 左右交错 ============ */
.split{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:32px 0;
}
.split + .split{border-top:1px solid var(--line);}
.split.reverse .split-media{order:2;}
.split.reverse .split-copy{order:1;}
.split-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--radius-lg);box-shadow:var(--shadow-1);
  background:var(--surface-2);
}
.split-copy .step-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;
  font-family:var(--font-num);font-size:18px;font-weight:700;
  background:var(--primary-soft);color:var(--primary-700);
  border:1px solid rgba(255,107,44,.2);
  margin-bottom:16px;
}
.split-copy h3{font-size:22px;font-weight:700;line-height:1.4;margin-bottom:12px;}
.split-copy p{font-size:16px;color:var(--ink-2);margin-bottom:16px;}
.check-list{margin-bottom:20px;}
.check-list li{
  position:relative;padding-left:26px;
  font-size:15px;color:var(--ink-2);margin-bottom:10px;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:.62em;
  width:14px;height:14px;border-radius:50%;
  background:var(--secondary-soft);
  border:1px solid rgba(43,199,176,.4);
}
.check-list li::after{
  content:"";position:absolute;left:4.5px;top:.82em;
  width:5px;height:5px;border-radius:50%;background:#0F8C7C;
}

/* ============ 深色段 ============ */
.dark-section{
  position:relative;
  background-color:var(--ink-bg);
  background-image:linear-gradient(120deg,rgba(23,17,37,.94),rgba(36,26,56,.82)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  color:#fff;padding:88px 0;
  overflow:hidden;
}
.dark-section::after{
  content:"";position:absolute;right:-80px;top:-80px;
  width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(168,85,247,.35),transparent 68%);
  filter:blur(20px);
}
.dark-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center;
}
.dark-grid h2{
  font-size:32px;font-weight:800;line-height:1.3;color:#fff;margin-bottom:16px;
}
.dark-grid .dark-lead{color:rgba(255,255,255,.72);font-size:16px;margin-bottom:24px;}
.rhythm-list li{
  display:grid;grid-template-columns:52px 1fr;gap:20px;
  padding:20px 22px;margin-bottom:14px;
  background:var(--ink-bg-2);
  border:1px solid var(--line-dark);
  border-radius:var(--radius-card);
  transition:border-color .24s ease,box-shadow .24s ease,transform .24s ease;
}
.rhythm-list li:hover{
  border-color:rgba(255,107,44,.5);
  box-shadow:var(--shadow-glow);
  transform:translateY(-3px);
}
.rhythm-no{
  font-family:var(--font-num);font-size:24px;font-weight:700;
  color:var(--primary);line-height:1.2;
}
.rhythm-list h3{font-size:17px;font-weight:700;color:#fff;margin-bottom:6px;}
.rhythm-list p{font-size:14px;color:rgba(255,255,255,.72);line-height:1.75;}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  transition:border-color .24s ease,box-shadow .24s ease;
}
.faq-item[open]{
  border-color:rgba(255,107,44,.45);
  box-shadow:var(--shadow-1);
}
.faq-item summary{
  position:relative;
  display:flex;align-items:center;gap:14px;
  padding:20px 24px;
  font-size:17px;font-weight:700;color:var(--ink);
  cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-q{
  flex:none;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--primary-soft);color:var(--primary-700);
  font-family:var(--font-num);font-size:14px;font-weight:700;
}
.faq-item summary::after{
  content:"";position:absolute;right:26px;
  width:9px;height:9px;border-right:2px solid var(--ink-3);border-bottom:2px solid var(--ink-3);
  transform:rotate(45deg);transition:transform .24s ease;
}
.faq-item[open] summary::after{transform:rotate(-135deg);border-color:var(--primary);}
.faq-item[open] summary{padding-bottom:12px;}
.faq-body{
  position:relative;
  padding:0 24px 22px 64px;
  font-size:15px;color:var(--ink-2);
  animation:fadeIn .3s ease both;
}
.faq-body::before{
  content:"";position:absolute;left:24px;top:2px;bottom:24px;
  width:3px;border-radius:2px;background:var(--primary);
}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:translateY(0);}}

/* ============ 频道跳转条 ============ */
.channel-strip{
  display:flex;align-items:center;flex-wrap:wrap;gap:14px;
  padding:24px 28px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);
}
.channel-strip .strip-title{
  font-size:15px;font-weight:700;color:var(--ink);margin-right:8px;
}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  height:40px;padding:0 20px;
  border-radius:var(--radius-pill);
  background:var(--surface-2);
  border:1px solid var(--line);
  font-size:14px;font-weight:600;color:var(--ink-2);
  transition:all .22s ease;
}
.chip:hover{
  background:var(--primary-soft);border-color:rgba(255,107,44,.4);
  color:var(--primary-700);transform:translateY(-2px);
}
.chip svg{width:15px;height:15px;}

/* ============ CTA ============ */
.cta-section{
  background:var(--ink-bg);color:#fff;padding:88px 0;
  position:relative;overflow:hidden;
}
.cta-section::before{
  content:"";position:absolute;left:-60px;bottom:-120px;
  width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,107,44,.32),transparent 70%);
  filter:blur(18px);
}
.cta-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
}
.cta-grid h2{font-size:34px;font-weight:800;line-height:1.3;margin-bottom:14px;}
.cta-grid .cta-lead{color:rgba(255,255,255,.72);font-size:16px;margin-bottom:22px;}
.cta-points li{
  position:relative;padding-left:24px;margin-bottom:10px;
  font-size:15px;color:rgba(255,255,255,.78);
}
.cta-points li::before{
  content:"";position:absolute;left:0;top:.68em;
  width:8px;height:8px;border-radius:50%;background:var(--primary);
}
.cta-form{
  background:var(--ink-bg-2);
  border:1px solid var(--line-dark);
  border-radius:var(--radius-lg);
  padding:28px;
  box-shadow:var(--shadow-glow);
}
.form-field{margin-bottom:16px;}
.form-field label{
  display:block;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:8px;
}
.form-field input,
.form-field textarea{
  width:100%;padding:12px 14px;
  background:rgba(255,255,255,.06);
  border:1px solid var(--line-dark);
  border-radius:var(--radius-sm);
  color:#fff;font-size:15px;outline:none;
  transition:border-color .22s ease,box-shadow .22s ease,background-color .22s ease;
}
.form-field textarea{min-height:88px;resize:vertical;}
.form-field input::placeholder,
.form-field textarea::placeholder{color:rgba(255,255,255,.38);}
.form-field input:focus,
.form-field textarea:focus{
  background:rgba(255,255,255,.1);
  border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(255,107,44,.18);
}
.form-privacy{font-size:12px;color:rgba(255,255,255,.5);margin-top:12px;line-height:1.7;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink-bg);
  color:rgba(255,255,255,.72);
  padding:64px 0 0;
  border-top:1px solid var(--line-dark);
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;padding-bottom:48px;
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.8;max-width:320px;}
.footer-social{display:flex;gap:12px;margin-top:20px;}
.footer-social a{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  background:rgba(255,255,255,.06);
  border:1px solid var(--line-dark);
  color:rgba(255,255,255,.8);
  transition:all .22s ease;
}
.footer-social a:hover{
  background:var(--primary);border-color:var(--primary);color:#fff;transform:translateY(-2px);
}
.footer-social svg{width:17px;height:17px;}
.footer-col h4{
  font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;
}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li a{
  font-size:14px;color:rgba(255,255,255,.72);
}
.footer-col ul li a:hover{color:var(--primary);}
.footer-contact-line{
  display:flex;align-items:center;gap:10px;
  font-size:14px;margin-bottom:12px;
}
.footer-contact-line svg{width:16px;height:16px;color:var(--primary);flex:none;}
.footer-bottom{
  border-top:1px solid var(--line-dark);
  padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.52);
}
.footer-bottom .foot-links{display:flex;gap:20px;flex-wrap:wrap;}
.footer-bottom a:hover{color:var(--primary);}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .page-hero-copy h1{font-size:44px;}
  .dark-grid,.cta-grid{gap:40px;}
}
@media (max-width:1024px){
  .container{padding:0 24px;}
  .section{padding:72px 0;}
  .nav-toggle{display:inline-flex;}
  .header-actions{
    position:fixed;top:0;right:0;bottom:0;
    width:min(320px,86vw);
    flex-direction:column;align-items:flex-start;gap:22px;
    background:#fff;
    padding:84px 26px 32px;
    box-shadow:-16px 0 40px rgba(28,23,38,.16);
    transform:translateX(102%);
    transition:transform .28s ease;
    z-index:75;
    overflow-y:auto;
  }
  .header-actions.is-open{transform:translateX(0);}
  .main-nav{flex-direction:column;align-items:flex-start;gap:4px;width:100%;}
  .nav-link{width:100%;padding:12px 0;font-size:16px;border-bottom:1px solid var(--line);}
  .nav-link::after{display:none;}
  .nav-link.is-active{color:var(--primary-700);}
  .nav-search{width:100%;height:44px;}
  .nav-search input{width:100%;}
  .header-actions .btn{width:100%;}
  .page-hero-inner{grid-template-columns:1fr;gap:32px;}
  .page-hero-copy h1{font-size:38px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .stat-cell:nth-child(2){border-right:0;}
  .stat-cell:nth-child(1),
  .stat-cell:nth-child(2){border-bottom:1px solid var(--line);}
  .dark-grid{grid-template-columns:1fr;}
  .cta-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .section-head h2{font-size:26px;}
  .page-hero{padding:52px 0 46px;}
  .page-hero-copy h1{font-size:30px;}
  .page-hero-copy .lead{font-size:16px;}
  .stats-bar{margin-top:-18px;}
  .stats-grid{grid-template-columns:1fr;}
  .stat-cell{border-right:0;border-bottom:1px solid var(--line);}
  .stat-cell:last-child{border-bottom:0;}
  .split{grid-template-columns:1fr;gap:28px;padding:28px 0;}
  .split.reverse .split-media{order:1;}
  .split.reverse .split-copy{order:2;}
  .timeline::before{left:19px;}
  .tl-item{grid-template-columns:40px 1fr;gap:16px;}
  .tl-dot{width:40px;height:40px;font-size:15px;}
  .tl-card{padding:18px 18px;}
  .tl-card-head h3{font-size:18px;}
  .dark-section{padding:56px 0;}
  .dark-grid h2{font-size:26px;}
  .rhythm-list li{grid-template-columns:40px 1fr;gap:14px;padding:18px;}
  .faq-item summary{font-size:16px;padding:18px;gap:10px;}
  .faq-body{padding:0 18px 20px 52px;}
  .faq-body::before{left:18px;}
  .faq-item summary::after{right:20px;}
  .cta-section{padding:56px 0;}
  .cta-grid h2{font-size:26px;}
  .cta-form{padding:22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-brand p{max-width:100%;}
  .channel-strip{padding:20px;gap:10px;}
}
@media (max-width:480px){
  .container{padding:0 18px;}
  .header-inner{height:56px;}
  .logo-text{font-size:16px;}
  .page-hero-copy h1{font-size:28px;}
  .btn{height:40px;padding:0 18px;font-size:14px;}
  .page-hero-actions{gap:10px;}
  .page-hero-actions .btn{flex:1 1 auto;}
  .stat-num{font-size:32px;}
  .section-head-row{margin-bottom:28px;}
  .faq-body{padding-left:18px;padding-left:44px;}
}