/* roulang page: index */
:root{
  --bg:#121311;
  --bg-soft:#191B17;
  --surface:#1E211B;
  --line:rgba(244,241,232,.08);
  --line-strong:rgba(244,241,232,.16);
  --primary:#C9F24D;
  --primary-deep:#A6CC2E;
  --accent:#FF6A3D;
  --info:#6FD8C4;
  --text:#F4F1E8;
  --text-2:#A7A79B;
  --text-3:#6E7068;
  --on-primary:#12140F;
  --r-pill:999px;
  --r-card:18px;
  --r-img:14px;
  --r-input:12px;
  --shadow-card:0 1px 0 rgba(255,255,255,.04),0 12px 30px rgba(0,0,0,.45);
  --shadow-card-hover:0 0 0 1px rgba(201,242,77,.35),0 18px 40px rgba(0,0,0,.55);
  --maxw:1200px;
  --sec-py:clamp(64px,8vw,116px);
  --ease-hover:180ms ease-out;
  --ease-move:240ms cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--info);text-decoration:none;transition:color var(--ease-hover);}
a:hover{color:var(--primary);}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}
::selection{background:rgba(201,242,77,.28);color:#fff;}

.wrap{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media (max-width:767px){
  .wrap{padding-left:18px;padding-right:18px;}
}

/* ---------- 品牌 ---------- */
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--text);
  text-decoration:none;
  flex-shrink:0;
}
.brand:hover{color:var(--text);}
.brand-mark{
  width:32px;height:32px;flex:0 0 32px;
  border-radius:10px;
  background:linear-gradient(140deg,var(--primary),var(--primary-deep));
  color:var(--on-primary);
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:900;font-size:16px;line-height:1;
  font-family:"Bahnschrift","DIN Alternate","Helvetica Neue",Arial,sans-serif;
  letter-spacing:-.03em;
}
.brand-text{
  font-weight:800;
  font-size:15px;
  line-height:1.2;
  letter-spacing:.01em;
  white-space:nowrap;
}
.brand-text em{
  font-style:normal;
  font-family:"Bahnschrift","DIN Alternate","Helvetica Neue",Arial,sans-serif;
  letter-spacing:.02em;
}
@media (max-width:575px){
  .brand-text{font-size:13.5px;}
  .brand-mark{width:28px;height:28px;flex:0 0 28px;font-size:14px;border-radius:9px;}
}

/* ---------- 悬浮胶囊导航 ---------- */
.site-nav{
  position:fixed;
  top:16px;
  left:50%;
  transform:translateX(-50%);
  width:min(1200px,calc(100% - 32px));
  z-index:1040;
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:12px;
  padding:8px 10px;
  border-radius:var(--r-pill);
  background:rgba(18,19,17,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line-strong);
  transition:background var(--ease-move),box-shadow var(--ease-move),padding var(--ease-move);
}
.site-nav.is-scrolled .nav-inner{
  background:rgba(18,19,17,.92);
  box-shadow:0 16px 36px rgba(0,0,0,.55);
  padding-top:6px;
  padding-bottom:6px;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
}
.nav-link{
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 16px;
  border-radius:var(--r-pill);
  color:var(--text-2);
  font-size:14px;
  font-weight:600;
  text-decoration:none;
  white-space:nowrap;
  transition:background var(--ease-hover),color var(--ease-hover);
}
.nav-link:hover{background:rgba(201,242,77,.12);color:var(--text);}
.nav-link.active{background:var(--primary);color:var(--on-primary);}
.nav-link.active:hover{background:var(--primary);color:var(--on-primary);}
.nav-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:40px;
  padding:0 20px;
  border-radius:var(--r-pill);
  background:var(--primary);
  color:var(--on-primary);
  font-size:14px;
  font-weight:800;
  text-decoration:none;
  white-space:nowrap;
  transition:background var(--ease-hover),transform var(--ease-hover),box-shadow var(--ease-hover);
}
.nav-cta:hover{
  background:#d9ff66;
  color:var(--on-primary);
  transform:translateY(-1px);
  box-shadow:0 10px 22px rgba(201,242,77,.20);
}
.nav-cta:active{transform:translateY(0);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border-radius:var(--r-pill);
  border:1px solid var(--line-strong);
  background:transparent;
  color:var(--text);
  cursor:pointer;
  transition:border-color var(--ease-hover),color var(--ease-hover);
}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary);}
.nav-toggle span{
  display:block;width:18px;height:2px;border-radius:2px;background:currentColor;position:relative;
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:currentColor;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.mobile-panel{
  display:none;
  flex-direction:column;
  gap:2px;
  position:absolute;
  top:calc(100% + 10px);
  left:0;right:0;
  padding:10px;
  border-radius:20px;
  background:var(--surface);
  border:1px solid var(--line-strong);
  box-shadow:0 24px 54px rgba(0,0,0,.6);
}
.mobile-panel.open{display:flex;}
.m-link{
  display:flex;align-items:center;
  min-height:44px;
  padding:0 16px;
  border-radius:14px;
  color:var(--text-2);
  font-size:15px;font-weight:600;
  text-decoration:none;
}
.m-link:hover{background:rgba(201,242,77,.10);color:var(--text);}
.m-link.active{background:var(--primary);color:var(--on-primary);}
@media (max-width:991px){
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-inner{gap:10px;}
  .nav-cta{margin-left:auto;height:38px;padding:0 16px;font-size:13px;}
}

/* ---------- 按钮 ---------- */
.btn-main,
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:52px;
  padding:0 28px;
  border-radius:var(--r-pill);
  font-size:16px;
  font-weight:800;
  text-decoration:none;
  border:1px solid transparent;
  cursor:pointer;
  transition:background var(--ease-hover),color var(--ease-hover),border-color var(--ease-hover),transform var(--ease-hover),box-shadow var(--ease-hover);
}
.btn-main{background:var(--primary);color:var(--on-primary);}
.btn-main:hover{
  background:#d9ff66;color:var(--on-primary);
  transform:translateY(-2px);
  box-shadow:0 14px 28px rgba(201,242,77,.18);
}
.btn-main:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{
  background:transparent;
  color:var(--text);
  border-color:var(--line-strong);
}
.btn-ghost:hover{
  border-color:var(--primary);
  color:var(--primary);
  background:rgba(201,242,77,.06);
  transform:translateY(-2px);
}
.btn-ghost:active{transform:translateY(0);}
.btn-md{height:44px;padding:0 22px;font-size:15px;}
.btn-sm{height:36px;padding:0 16px;font-size:13px;font-weight:700;}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec-py) 0;position:relative;}
.section-soft{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  margin-bottom:44px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.16em;
  color:var(--info);
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:18px;height:2px;border-radius:2px;background:var(--info);
}
h2.sec-title{
  font-size:clamp(1.5rem,2.6vw,2.1rem);
  font-weight:700;
  line-height:1.25;
  letter-spacing:-.01em;
}
.sec-sub{
  margin-top:12px;
  font-size:15px;
  color:var(--text-2);
  max-width:640px;
  line-height:1.8;
}
.link-more{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:700;color:var(--primary);
  text-decoration:none;white-space:nowrap;
}
.link-more svg{transition:transform var(--ease-move);}
.link-more:hover{color:var(--primary-deep);}
.link-more:hover svg{transform:translateX(6px);}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  min-height:78vh;
  display:flex;
  align-items:center;
  padding:clamp(128px,17vh,190px) 0 clamp(64px,8vw,110px);
  overflow:hidden;
  isolation:isolate;
}
.hero-bg{position:absolute;inset:0;z-index:0;}
.hero-bg img{
  width:100%;height:100%;object-fit:cover;object-position:center;
  opacity:.52;
}
.hero-bg::after{
  content:"";
  position:absolute;inset:0;
  background:
    radial-gradient(58% 62% at 6% 4%,rgba(201,242,77,.10),transparent 70%),
    linear-gradient(102deg,rgba(18,19,17,.97) 0%,rgba(18,19,17,.90) 40%,rgba(18,19,17,.42) 100%);
}
.hero-grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:44px;
  align-items:center;
}
@media (min-width:992px){
  .hero-grid{grid-template-columns:minmax(0,1fr) 328px;gap:56px;}
}
.hero-copy{max-width:640px;}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:32px;
  padding:0 14px;
  border-radius:var(--r-pill);
  border:1px solid rgba(111,216,196,.35);
  background:rgba(111,216,196,.08);
  color:var(--info);
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.04em;
  margin-bottom:22px;
}
.hero-badge i{
  width:6px;height:6px;border-radius:50%;background:var(--info);display:inline-block;
}
.hero h1{
  font-size:clamp(2rem,4.4vw,3.4rem);
  font-weight:800;
  line-height:1.15;
  letter-spacing:-.01em;
  margin-bottom:22px;
}
.hero h1 .kw{
  color:var(--primary);
  border-bottom:4px solid var(--info);
  padding-bottom:2px;
}
.hero-sub{
  font-size:17px;
  line-height:1.8;
  color:var(--text-2);
  max-width:560px;
  margin-bottom:34px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  align-items:center;
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px;
  margin-top:30px;
  font-size:13px;
  color:var(--text-3);
}
.hero-meta i{
  width:5px;height:5px;border-radius:50%;background:var(--info);
  display:inline-block;opacity:.85;
}
.hero-card{
  display:none;
  padding:24px;
  border-radius:var(--r-card);
  background:rgba(30,33,27,.72);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow-card);
}
@media (min-width:992px){
  .hero-card{display:block;}
}
.hero-card-top{
  display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;
}
.tag-info{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  background:rgba(111,216,196,.12);color:var(--info);
  font-size:11.5px;font-weight:700;letter-spacing:.04em;
}
.hero-stage{
  font-size:13px;color:var(--text-2);font-weight:600;white-space:nowrap;
}
.hero-mini-track{
  height:8px;border-radius:var(--r-pill);background:rgba(255,255,255,.08);overflow:hidden;
}
.hero-mini-fill{
  height:100%;border-radius:var(--r-pill);
  background:linear-gradient(90deg,var(--primary),var(--primary-deep));
}
.hero-mini-meta{
  margin-top:12px;font-size:13px;color:var(--text-3);
  font-variant-numeric:tabular-nums;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.chip{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:700;
}
.chip-lime{background:rgba(201,242,77,.14);color:var(--primary);border:1px solid rgba(201,242,77,.28);}
.chip-info{background:rgba(111,216,196,.10);color:var(--info);border:1px solid rgba(111,216,196,.28);}

/* ---------- 数字条 ---------- */
.stat-strip{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:var(--bg-soft);
}
.stat-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:1px;
  background:var(--line);
}
@media (min-width:768px){
  .stat-grid{grid-template-columns:repeat(4,minmax(0,1fr));}
}
.stat-cell{
  background:var(--bg-soft);
  padding:32px 24px;
  text-align:left;
}
.stat-num{
  font-family:"Bahnschrift","DIN Alternate","Helvetica Neue",Arial,sans-serif;
  font-size:clamp(1.7rem,3.2vw,2.4rem);
  font-weight:800;
  line-height:1.1;
  color:var(--primary);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
}
.stat-label{
  margin-top:8px;
  font-size:13.5px;
  color:var(--text-2);
}

/* ---------- 步骤轴 ---------- */
.steps{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:24px;
}
@media (min-width:768px){
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
}
.step{
  position:relative;
  padding:30px 28px;
  border-radius:var(--r-card);
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  transition:transform var(--ease-move),box-shadow var(--ease-hover),border-color var(--ease-hover);
}
.step:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-card-hover);
  border-color:transparent;
}
@media (min-width:768px){
  .step::after{
    content:"";
    position:absolute;
    top:50%;
    right:-13px;
    width:24px;
    border-top:1px dashed rgba(201,242,77,.30);
  }
  .step:nth-child(2n)::after{display:none;}
}
.step-num{
  font-family:"Bahnschrift","DIN Alternate","Helvetica Neue",Arial,sans-serif;
  font-size:56px;
  font-weight:800;
  line-height:.9;
  color:rgba(201,242,77,.55);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.03em;
  margin-bottom:16px;
}
.step h3{
  font-size:20px;
  font-weight:700;
  line-height:1.4;
  margin-bottom:10px;
}
.step p{
  font-size:14px;
  line-height:1.75;
  color:var(--text-2);
}

/* ---------- 奖励预览 ---------- */
.reward-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:24px;
}
@media (min-width:992px){
  .reward-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .reward-card.is-big{grid-row:span 2;}
}
.reward-card{
  display:flex;
  flex-direction:column;
  padding:18px;
  border-radius:var(--r-card);
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  transition:transform var(--ease-move),box-shadow var(--ease-hover),border-color var(--ease-hover);
}
.reward-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-card-hover);
  border-color:transparent;
}
.reward-media{
  position:relative;
  border-radius:var(--r-img);
  overflow:hidden;
  background:#0E0F0D;
  aspect-ratio:16/10;
}
.reward-card.is-big .reward-media{aspect-ratio:16/11;}
.reward-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform var(--ease-move);
}
.reward-card:hover .reward-media img{transform:scale(1.03);}
.rarity{
  position:absolute;
  top:12px;left:12px;
  display:inline-flex;align-items:center;
  height:26px;padding:0 12px;
  border-radius:var(--r-pill);
  font-size:12px;font-weight:800;
  letter-spacing:.02em;
}
.rarity-lime{background:var(--primary);color:var(--on-primary);}
.rarity-coral{
  background:rgba(255,106,61,.16);
  color:#FF8A63;
  border:1px solid rgba(255,106,61,.42);
}
.reward-body{
  padding:20px 6px 6px;
  display:flex;
  flex-direction:column;
  flex:1;
}
.reward-body h3{
  font-size:20px;
  font-weight:700;
  line-height:1.4;
  margin-bottom:8px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.reward-body p{
  font-size:14px;
  line-height:1.7;
  color:var(--text-2);
  margin-bottom:18px;
}
.reward-link{
  margin-top:auto;
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:700;color:var(--primary);
  text-decoration:none;
}
.reward-link svg{transition:transform var(--ease-move);}
.reward-link:hover{color:var(--primary-deep);}
.reward-link:hover svg{transform:translateX(8px);}

/* ---------- 任务进度 ---------- */
.progress-card{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:36px;
  padding:clamp(28px,4vw,44px);
  border-radius:var(--r-card);
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
}
@media (min-width:992px){
  .progress-card{grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);align-items:center;gap:56px;}
}
.status-list{display:flex;flex-direction:column;gap:14px;margin-top:22px;}
.status-item{
  display:flex;align-items:center;gap:12px;
  font-size:14.5px;color:var(--text-2);
}
.status-item i{
  width:9px;height:9px;border-radius:50%;flex:0 0 9px;display:inline-block;
}
.dot-done{background:var(--primary);box-shadow:0 0 0 4px rgba(201,242,77,.14);}
.dot-doing{background:var(--info);box-shadow:0 0 0 4px rgba(111,216,196,.14);}
.dot-lock{background:var(--text-3);}
.status-item.is-locked{opacity:.6;}
.status-item.is-locked svg{width:14px;height:14px;flex:0 0 14px;color:var(--text-3);}
.progress-right{width:100%;}
.progress-track{
  height:12px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.08);
  overflow:hidden;
}
.progress-fill{
  height:100%;
  width:0;
  border-radius:var(--r-pill);
  background:linear-gradient(90deg,var(--primary),var(--primary-deep));
  transition:width 1.2s cubic-bezier(.2,.7,.3,1);
}
.progress-meta{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  margin-top:14px;
  font-size:13px;
  color:var(--text-3);
  font-variant-numeric:tabular-nums;
}
.progress-meta strong{
  color:var(--text);
  font-weight:700;
}

/* ---------- 资讯列表 ---------- */
.news-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:24px;
}
@media (min-width:768px){
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (min-width:992px){
  .news-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
}
.news-card{
  display:flex;
  flex-direction:column;
  padding:26px;
  border-radius:var(--r-card);
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  color:inherit;
  text-decoration:none;
  transition:transform var(--ease-move),box-shadow var(--ease-hover),border-color var(--ease-hover);
}
.news-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-card-hover);
  border-color:transparent;
  color:inherit;
}
.badge-info{
  align-self:flex-start;
  display:inline-flex;align-items:center;
  height:24px;padding:0 12px;margin-bottom:16px;
  border-radius:var(--r-pill);
  background:rgba(111,216,196,.12);
  border:1px solid rgba(111,216,196,.30);
  color:var(--info);
  font-size:12px;font-weight:700;
}
.news-card h3{
  font-size:18px;
  font-weight:700;
  line-height:1.5;
  margin-bottom:12px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  min-height:calc(1.5em * 2);
}
.news-sum{
  font-size:14px;
  line-height:1.75;
  color:var(--text-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin-bottom:22px;
}
.news-foot{
  margin-top:auto;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:16px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-3);
  font-variant-numeric:tabular-nums;
}
.news-foot .news-more{
  color:var(--primary);
  font-weight:700;
}
.news-empty{
  border:1px dashed var(--line-strong);
  border-radius:var(--r-card);
  padding:56px 24px;
  text-align:center;
}
.news-empty p{
  font-size:15px;
  color:var(--text-2);
  margin-bottom:20px;
}

/* ---------- FAQ ---------- */
.faq-list{
  display:flex;
  flex-direction:column;
  gap:10px;
  max-width:900px;
}
.faq-item{
  border-radius:16px;
  background:var(--surface);
  border:1px solid var(--line);
  overflow:hidden;
  transition:border-color var(--ease-hover),box-shadow var(--ease-hover);
}
.faq-item[open]{
  border-color:rgba(201,242,77,.30);
  box-shadow:inset 3px 0 0 var(--primary),var(--shadow-card);
}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 24px;
  font-size:17px;
  font-weight:700;
  line-height:1.5;
  color:var(--text);
  cursor:pointer;
  list-style:none;
  min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  flex:0 0 auto;
  width:26px;height:26px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  border:1px solid var(--line-strong);
  color:var(--text-2);
  font-size:16px;
  font-weight:400;
  line-height:1;
  transition:transform var(--ease-move),color var(--ease-hover),border-color var(--ease-hover);
}
.faq-item[open] summary::after{
  transform:rotate(45deg);
  color:var(--primary);
  border-color:rgba(201,242,77,.45);
}
.faq-item summary:hover{color:var(--primary);}
.faq-body{
  padding:0 24px 22px;
  font-size:15px;
  line-height:1.8;
  color:var(--text-2);
}

/* ---------- CTA ---------- */
.cta-band{
  padding:clamp(48px,6vw,80px) 0;
  background:
    radial-gradient(70% 120% at 12% 0%,rgba(201,242,77,.10),transparent 66%),
    var(--bg-soft);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-inner h2{
  font-size:clamp(1.5rem,2.6vw,2.1rem);
  font-weight:700;
  line-height:1.3;
  letter-spacing:-.01em;
  margin-bottom:10px;
}
.cta-inner p{
  font-size:15px;
  color:var(--text-2);
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#0E0F0D;
  border-top:1px solid var(--line);
  padding:clamp(48px,6vw,76px) 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:40px;
  padding-bottom:48px;
}
@media (min-width:768px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px;}
}
@media (min-width:992px){
  .footer-grid{grid-template-columns:1.4fr .8fr .8fr 1fr;gap:32px;}
}
.footer-brand p{
  margin-top:18px;
  font-size:14px;
  line-height:1.8;
  color:var(--text-2);
  max-width:320px;
}
.footer-brand .copyright{
  margin-top:20px;
  font-size:13px;
  color:var(--text-3);
}
.footer-col h3{
  font-size:14px;
  font-weight:700;
  color:var(--text);
  margin-bottom:18px;
  letter-spacing:.04em;
}
.footer-col li{margin-bottom:12px;}
.footer-col a{
  font-size:14px;
  color:var(--text-2);
  text-decoration:none;
  transition:color var(--ease-hover);
}
.footer-col a:hover{color:var(--primary);}
.contact-list li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  color:var(--text-2);
  line-height:1.7;
}
.contact-list svg{
  width:16px;height:16px;flex:0 0 16px;margin-top:4px;color:var(--info);
}
.social-row{display:flex;gap:10px;margin-top:20px;}
.social-row a{
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  border:1px solid var(--line-strong);
  color:var(--text-2);
  transition:all var(--ease-hover);
}
.social-row a:hover{
  border-color:var(--primary);
  color:var(--primary);
  background:rgba(201,242,77,.08);
}
.social-row svg{width:17px;height:17px;}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:22px 0 26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--text-3);
}

/* ---------- 入场动效 ---------- */
.js .reveal{opacity:0;transform:translateY(16px);}
.js .reveal.in{
  opacity:1;transform:none;
  transition:opacity .5s ease-out,transform .5s cubic-bezier(.2,.7,.3,1);
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .js .reveal{opacity:1;transform:none;transition:none;}
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
}
@media (max-width:575px){
  .section{padding:56px 0;}
  .hero{min-height:62vh;}
  .hero-sub{font-size:16px;}
  .hero-actions .btn-main,
  .hero-actions .btn-ghost{width:100%;}
  .stat-cell{padding:24px 18px;}
  .step{padding:24px 20px;}
  .step-num{font-size:46px;}
  .news-card{padding:22px;}
  .faq-item summary{padding:18px 18px;font-size:16px;}
  .faq-body{padding:0 18px 20px;}
}

/* roulang page: article */
:root{
  --bg:#121311;
  --bg-soft:#191B17;
  --surface:#1E211B;
  --line:rgba(244,241,232,.08);
  --line-strong:rgba(244,241,232,.16);
  --primary:#C9F24D;
  --primary-deep:#A6CC2E;
  --accent:#FF6A3D;
  --info:#6FD8C4;
  --text:#F4F1E8;
  --text-2:#A7A79B;
  --text-3:#6E7068;
  --on-primary:#12140F;
  --radius-pill:999px;
  --radius-card:18px;
  --radius-img:14px;
  --radius-input:12px;
  --shadow-card:0 1px 0 rgba(255,255,255,.04), 0 12px 30px rgba(0,0,0,.45);
  --shadow-hover:0 0 0 1px rgba(201,242,77,.35), 0 18px 40px rgba(0,0,0,.55);
  --ease:180ms ease-out;
  --move:240ms cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:Bahnschrift,"DIN Alternate","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--ease),border-color var(--ease),background-color var(--ease)}
a:hover{color:var(--primary)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4,h5,p,figure{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:var(--primary);color:var(--on-primary)}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:min(1200px,calc(100% - 32px));z-index:1040;
}
.nav-shell{
  display:flex;align-items:center;gap:12px;
  padding:8px 10px;border-radius:var(--radius-pill);
  background:rgba(18,19,17,.72);
  border:1px solid var(--line-strong);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  transition:background-color var(--ease),box-shadow var(--ease),padding var(--ease);
}
.site-header.is-scrolled .nav-shell{
  background:rgba(18,19,17,.94);
  box-shadow:0 18px 44px rgba(0,0,0,.55);
  padding:6px 10px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:50%;
  background:var(--primary);color:var(--on-primary);
  display:grid;place-items:center;font-weight:800;font-size:18px;line-height:1;
  font-family:var(--font-num);
}
.brand-text{font-size:16px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;line-height:1.2}
.brand-text em{font-style:normal;color:var(--primary)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto}
.nav-link{
  display:inline-flex;align-items:center;
  padding:9px 15px;border-radius:var(--radius-pill);
  font-size:14.5px;font-weight:600;color:var(--text-2);white-space:nowrap;
  transition:background-color var(--ease),color var(--ease);
}
.nav-link:hover{background:rgba(201,242,77,.12);color:var(--text)}
.nav-link.active{background:var(--primary);color:var(--on-primary)}
.nav-link.active:hover{background:var(--primary-deep);color:var(--on-primary)}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:38px;padding:0 18px;border-radius:var(--radius-pill);
  background:var(--primary);color:var(--on-primary);
  font-size:14px;font-weight:800;white-space:nowrap;flex:0 0 auto;
  transition:background-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.nav-cta:hover{background:var(--primary-deep);color:var(--on-primary);transform:translateY(-1px)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line-strong);color:var(--text);
  place-items:center;margin-left:auto;flex:0 0 auto;
  transition:border-color var(--ease),color var(--ease);
}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary)}
.nav-toggle svg{width:20px;height:20px}
.nav-drawer{
  display:none;
  position:absolute;left:0;right:0;top:calc(100% + 10px);
  background:var(--surface);border:1px solid var(--line-strong);
  border-radius:20px;padding:12px;
  box-shadow:0 24px 60px rgba(0,0,0,.6);
}
.nav-drawer.is-open{display:block}
.nav-drawer a{
  display:flex;align-items:center;min-height:44px;
  padding:0 16px;border-radius:14px;
  font-size:15px;font-weight:600;color:var(--text-2);
}
.nav-drawer a:hover{background:rgba(201,242,77,.12);color:var(--text)}
.nav-drawer a.active{background:var(--primary);color:var(--on-primary)}
@media (max-width:991px){
  .nav-links{display:none}
  .nav-toggle{display:grid}
  .site-header{top:12px;width:calc(100% - 24px)}
  .wrap{padding:0 18px}
}
@media (max-width:419px){
  .nav-cta{display:none}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:700;white-space:nowrap;
  border:1px solid transparent;
  transition:background-color var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-primary{background:var(--primary);color:var(--on-primary)}
.btn-primary:hover{background:var(--primary-deep);color:var(--on-primary);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{border-color:var(--line-strong);color:var(--text)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}
.btn-ghost:active{transform:translateY(1px)}
.btn-lg{height:52px;padding:0 28px;font-size:16px}
.btn-sm{height:36px;padding:0 16px;font-size:13.5px}
.btn .arrow{transition:transform var(--move)}
.btn:hover .arrow{transform:translateX(4px)}

/* ---------- 文章头 ---------- */
.article-hero{
  position:relative;overflow:hidden;
  padding:calc(96px + 54px) 0 54px;
  background:var(--bg-soft);
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(90deg,rgba(18,19,17,.97) 0%,rgba(18,19,17,.92) 46%,rgba(18,19,17,.62) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(620px 320px at 12% 0%,rgba(201,242,77,.08),transparent 70%);
  pointer-events:none;
}
.article-hero .wrap{position:relative;z-index:2}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);margin-bottom:22px;
}
.crumbs a{color:var(--text-3)}
.crumbs a:hover{color:var(--primary)}
.crumbs .sep{opacity:.6}
.crumbs .now{color:var(--text-2);max-width:min(520px,70vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.badge-cat{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 14px;border-radius:var(--radius-pill);
  background:rgba(111,216,196,.12);color:var(--info);
  border:1px solid rgba(111,216,196,.3);
  font-size:12px;font-weight:700;letter-spacing:.02em;
}
.article-hero h1{
  margin:18px 0 0;max-width:900px;
  font-size:clamp(2rem,4.4vw,3.1rem);font-weight:800;line-height:1.18;letter-spacing:-.01em;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;
  margin-top:22px;font-size:13.5px;color:var(--text-3);
}
.article-meta .dot{width:5px;height:5px;border-radius:50%;background:var(--info);opacity:.8}
.article-meta strong{color:var(--text-2);font-weight:600}
@media (max-width:767px){
  .article-hero{padding:calc(84px + 34px) 0 38px}
  .crumbs .now{max-width:100%}
}

/* ---------- 正文区 ---------- */
.article-main{padding:clamp(48px,7vw,88px) 0}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:28px}
@media (min-width:1200px){
  .article-layout{grid-template-columns:minmax(0,780px) 236px;gap:48px;justify-content:center}
}
.article-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  padding:clamp(22px,3.6vw,42px);
}
.article-body{font-size:17px;line-height:1.9;color:#E7E4DA}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  font-size:clamp(1.35rem,2.4vw,1.72rem);font-weight:700;line-height:1.35;
  color:var(--text);margin:32px 0 16px;
}
.article-body h3{font-size:20px;font-weight:700;line-height:1.45;color:var(--text);margin:24px 0 12px}
.article-body h4{font-size:17px;font-weight:700;color:var(--text);margin:20px 0 10px}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.3em;list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:.42em 0;line-height:1.9}
.article-body li::marker{color:var(--primary)}
.article-body blockquote{
  margin:24px 0;padding:16px 22px;
  border-left:3px solid var(--primary);
  background:rgba(201,242,77,.06);
  border-radius:0 12px 12px 0;color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius-img);margin:24px 0;width:100%;height:auto}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(201,242,77,.4)}
.article-body a:hover{color:var(--primary-deep);border-bottom-color:var(--primary-deep)}
.article-body strong{color:#FFFFFF;font-weight:700}
.article-body code{
  font-family:var(--font-num);font-size:14px;
  background:rgba(255,255,255,.06);padding:2px 7px;border-radius:6px;color:var(--primary);
}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 13px;text-align:left}
.article-body th{background:var(--bg-soft);color:var(--text);font-weight:700}

.empty-state{
  border:1px dashed var(--line-strong);
  border-radius:var(--radius-card);
  padding:44px 24px;text-align:center;
}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:10px}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:20px}

/* 标签与返回 */
.article-foot{
  margin-top:34px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;
  border-radius:var(--radius-pill);border:1px solid var(--line-strong);
  font-size:13px;color:var(--text-2);
  transition:border-color var(--ease),color var(--ease),background-color var(--ease);
}
.tag:hover{border-color:rgba(201,242,77,.5);color:var(--primary);background:rgba(201,242,77,.08)}

/* 侧栏目录 */
.article-aside{display:block}
@media (min-width:1200px){
  .article-aside{position:sticky;top:110px;align-self:start}
}
.toc{
  background:var(--bg-soft);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:18px 18px 14px;
}
.toc h2{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--text-3);text-transform:uppercase;margin-bottom:12px}
.toc ol{display:flex;flex-direction:column;gap:2px;counter-reset:toc}
.toc a{
  display:flex;align-items:center;gap:10px;
  padding:8px 10px;border-radius:10px;font-size:14px;color:var(--text-2);
}
.toc a::before{
  counter-increment:toc;content:counter(toc,decimal-leading-zero);
  font-family:var(--font-num);font-size:11px;color:var(--text-3);
}
.toc a:hover{background:rgba(201,242,77,.1);color:var(--primary)}
.toc a:hover::before{color:var(--primary)}
.toc .toc-note{margin-top:12px;padding-top:12px;border-top:1px solid var(--line);font-size:12.5px;color:var(--text-3);line-height:1.7}

/* ---------- 相关推荐 ---------- */
.related{padding:0 0 clamp(56px,7vw,92px)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px}
.section-head h2{font-size:clamp(1.5rem,2.6vw,2rem);font-weight:700;line-height:1.25}
.section-head p{font-size:14px;color:var(--text-3);margin-top:6px}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--primary);white-space:nowrap}
.link-more .arrow{transition:transform var(--move)}
.link-more:hover .arrow{transform:translateX(4px)}
.related-grid{display:grid;grid-template-columns:1fr;gap:16px}
@media (min-width:768px){.related-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.related-card{
  display:flex;gap:14px;align-items:center;
  padding:14px;border-radius:var(--radius-card);
  background:var(--surface);border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  transition:transform var(--move),box-shadow var(--ease),border-color var(--ease);
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(201,242,77,.35)}
.related-thumb{
  flex:0 0 92px;width:92px;height:74px;border-radius:12px;overflow:hidden;background:var(--bg-soft);
}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--move)}
.related-card:hover .related-thumb img{transform:scale(1.03)}
.related-card h3{
  font-size:15px;font-weight:700;line-height:1.5;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.related-card .meta{font-size:12.5px;color:var(--text-3);margin-top:6px}

/* ---------- 底部 CTA ---------- */
.cta-band{padding:0 0 clamp(56px,7vw,96px)}
.cta-inner{
  position:relative;overflow:hidden;
  border-radius:24px;border:1px solid var(--line-strong);
  background:linear-gradient(120deg,#1B1E17 0%,#15170F 60%,#1B1E17 100%);
  padding:clamp(28px,4vw,48px);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
}
.cta-inner::after{
  content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(201,242,77,.18),transparent 68%);pointer-events:none;
}
.cta-inner h2{font-size:clamp(1.4rem,2.6vw,1.9rem);font-weight:700;line-height:1.3;position:relative;z-index:1}
.cta-inner p{font-size:14.5px;color:var(--text-2);margin-top:8px;position:relative;z-index:1;max-width:520px}
.cta-inner .btn{position:relative;z-index:1}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#0E0F0D;border-top:1px solid var(--line);
  padding:clamp(44px,6vw,68px) 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:28px}}
.footer-brand p{font-size:13.5px;color:var(--text-3);line-height:1.8;margin-top:14px;max-width:290px}
.footer-brand .copyright{font-size:12.5px;color:var(--text-3);margin-top:16px}
.social-row{display:flex;gap:10px;margin-top:16px}
.social-row a{
  width:36px;height:36px;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid var(--line-strong);color:var(--text-2);
  transition:border-color var(--ease),color var(--ease),background-color var(--ease);
}
.social-row a:hover{border-color:var(--primary);color:var(--primary);background:rgba(201,242,77,.08)}
.social-row svg{width:18px;height:18px}
.footer-col h3{font-size:14px;font-weight:700;color:var(--text);margin-bottom:14px;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:13.5px;color:var(--text-2)}
.footer-col a:hover{color:var(--primary)}
.contact-list li{
  display:flex;align-items:flex-start;gap:9px;
  font-size:13.5px;color:var(--text-2);line-height:1.7;
}
.contact-list svg{width:16px;height:16px;color:var(--info);flex:0 0 16px;margin-top:4px}
.footer-bottom{
  margin-top:34px;padding-top:18px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;
  font-size:12.5px;color:var(--text-3);
}

/* ---------- 动效 ---------- */
.js .reveal{opacity:0;transform:translateY(16px);transition:opacity .55s ease-out,transform .55s cubic-bezier(.2,.7,.3,1)}
.js .reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none;transition:none}
  *{animation-duration:.001ms!important;transition-duration:.001ms!important}
}

/* roulang page: category1 */
:root{
  --bg:#121311;
  --bg-soft:#191B17;
  --surface:#1E211B;
  --line:rgba(244,241,232,.08);
  --line-strong:rgba(244,241,232,.16);
  --primary:#C9F24D;
  --primary-deep:#A6CC2E;
  --accent:#FF6A3D;
  --info:#6FD8C4;
  --text:#F4F1E8;
  --text-2:#A7A79B;
  --text-3:#6E7068;
  --on-primary:#12140F;
  --pill:999px;
  --r-card:18px;
  --r-img:14px;
  --r-input:12px;
  --shadow-card:0 1px 0 rgba(255,255,255,.04),0 12px 30px rgba(0,0,0,.45);
  --shadow-hover:0 0 0 1px rgba(201,242,77,.35),0 18px 40px rgba(0,0,0,.55);
  --container:1200px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:Bahnschrift,"DIN Alternate","Helvetica Neue",Arial,sans-serif;
  --ease-hover:180ms ease-out;
  --ease-move:240ms cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.nav-open{overflow:hidden;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--ease-hover);}
a:hover{color:var(--primary);}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
::selection{background:rgba(201,242,77,.28);color:var(--text);}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;}

.wrap{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{
  position:fixed;
  top:16px;
  left:50%;
  transform:translateX(-50%);
  width:min(1200px,calc(100% - 32px));
  z-index:1000;
  transition:top var(--ease-move);
}
.nav-shell{
  display:flex;
  align-items:center;
  gap:14px;
  padding:8px 10px 8px 16px;
  border-radius:var(--pill);
  background:rgba(18,19,17,.72);
  border:1px solid var(--line-strong);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  transition:background var(--ease-hover),box-shadow var(--ease-hover),padding var(--ease-hover);
}
.site-header.is-scrolled .nav-shell{
  background:rgba(18,19,17,.94);
  box-shadow:0 14px 34px rgba(0,0,0,.55);
  padding-top:6px;
  padding-bottom:6px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--text);
}
.brand:hover{color:var(--text);}
.brand-mark{
  width:32px;
  height:32px;
  flex:0 0 32px;
  display:grid;
  place-items:center;
  border-radius:11px;
  background:linear-gradient(150deg,var(--primary),var(--primary-deep));
  color:var(--on-primary);
  font-family:var(--font-num);
  font-size:19px;
  font-weight:700;
  line-height:1;
  text-transform:lowercase;
}
.brand-text{
  font-size:16px;
  font-weight:800;
  letter-spacing:.01em;
  white-space:nowrap;
}
.brand-text em{
  font-style:normal;
  color:var(--primary);
  font-family:var(--font-num);
  letter-spacing:.02em;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:8px;
  flex:1 1 auto;
}
.nav-link{
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 16px;
  border-radius:var(--pill);
  font-size:14.5px;
  font-weight:500;
  color:var(--text-2);
  transition:background var(--ease-hover),color var(--ease-hover);
}
.nav-link:hover{
  background:rgba(201,242,77,.12);
  color:var(--text);
}
.nav-link.active{
  background:var(--primary);
  color:var(--on-primary);
  font-weight:700;
}
.nav-right{
  display:flex;
  align-items:center;
  gap:8px;
  margin-left:auto;
}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  align-items:center;
  justify-content:center;
  border:1px solid var(--line-strong);
  border-radius:var(--pill);
  background:transparent;
  color:var(--text);
  cursor:pointer;
  transition:background var(--ease-hover),border-color var(--ease-hover);
}
.nav-toggle:hover{background:rgba(201,242,77,.12);border-color:var(--primary);}
.nav-toggle span{
  position:relative;
  display:block;
  width:18px;
  height:2px;
  border-radius:2px;
  background:currentColor;
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  border-radius:2px;
  background:currentColor;
  transition:transform var(--ease-move),top var(--ease-move),opacity var(--ease-move);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.site-header.is-open .nav-toggle span{background:transparent;}
.site-header.is-open .nav-toggle span::before{top:0;transform:rotate(45deg);}
.site-header.is-open .nav-toggle span::after{top:0;transform:rotate(-45deg);}
.mobile-menu{
  display:none;
  margin-top:10px;
  padding:10px;
  border-radius:20px;
  background:var(--surface);
  border:1px solid var(--line-strong);
  box-shadow:0 18px 40px rgba(0,0,0,.55);
}
.mobile-menu a{
  display:flex;
  align-items:center;
  min-height:46px;
  padding:0 16px;
  border-radius:14px;
  font-size:15px;
  color:var(--text-2);
  transition:background var(--ease-hover),color var(--ease-hover);
}
.mobile-menu a:hover{background:rgba(201,242,77,.1);color:var(--text);}
.mobile-menu a.active{background:rgba(201,242,77,.16);color:var(--primary);font-weight:700;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border:1px solid transparent;
  border-radius:var(--pill);
  font-weight:700;
  font-size:15px;
  line-height:1;
  height:52px;
  padding:0 28px;
  cursor:pointer;
  transition:transform var(--ease-move),background var(--ease-hover),color var(--ease-hover),border-color var(--ease-hover),box-shadow var(--ease-hover);
}
.btn-sm{height:38px;padding:0 18px;font-size:13.5px;}
.btn-primary{
  background:var(--primary);
  color:var(--on-primary);
}
.btn-primary:hover{
  background:#D8FA6E;
  color:var(--on-primary);
  transform:translateY(-2px);
  box-shadow:0 12px 26px rgba(201,242,77,.22);
}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{
  background:transparent;
  color:var(--text);
  border-color:var(--line-strong);
}
.btn-ghost:hover{
  border-color:var(--primary);
  color:var(--primary);
  transform:translateY(-2px);
}
.btn-ghost:active{transform:translateY(0);}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 通用标签 ---------- */
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:30px;
  padding:0 14px;
  border-radius:var(--pill);
  border:1px solid rgba(111,216,196,.34);
  background:rgba(111,216,196,.1);
  color:var(--info);
  font-size:12px;
  font-weight:700;
  letter-spacing:.08em;
}
.tag{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:var(--pill);
  font-size:12px;
  font-weight:700;
  background:rgba(201,242,77,.12);
  color:var(--primary);
}
.tag-accent{
  background:rgba(255,106,61,.14);
  color:var(--accent);
}
.tag-info{
  background:rgba(111,216,196,.12);
  color:var(--info);
}

/* ---------- 首屏 ---------- */
.page-hero{
  position:relative;
  padding:150px 0 clamp(48px,6vw,80px);
  background:
    radial-gradient(circle at 12% 8%,rgba(201,242,77,.08),transparent 42%),
    linear-gradient(100deg,rgba(18,19,17,.96) 0%,rgba(18,19,17,.82) 52%,rgba(18,19,17,.62) 100%),
    url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:auto 0 0 0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(201,242,77,.3),transparent);
}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:clamp(28px,4vw,56px);
  align-items:center;
}
.page-hero h1{
  margin:18px 0 0;
  font-size:clamp(2rem,4.4vw,3.4rem);
  font-weight:800;
  line-height:1.15;
  letter-spacing:-.01em;
}
.page-hero h1 .kw{
  color:var(--primary);
  border-bottom:4px solid rgba(111,216,196,.85);
  padding-bottom:2px;
}
.hero-lead{
  margin-top:18px;
  max-width:620px;
  font-size:17px;
  line-height:1.8;
  color:var(--text-2);
}
.hero-actions{margin-top:28px;}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 18px;
  margin-top:24px;
  font-size:13px;
  color:var(--text-3);
}
.hero-meta li{display:flex;align-items:center;gap:8px;}
.hero-meta li::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--info);
  opacity:.8;
}
.hero-card{
  padding:22px;
  border-radius:var(--r-card);
  background:rgba(30,33,27,.82);
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow-card);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
}
.hero-card-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:16px;
}
.hero-card-head h2{
  font-size:15px;
  font-weight:700;
  color:var(--text);
}
.hero-card-head span{
  font-size:12px;
  color:var(--text-3);
}
.mini-steps{display:grid;gap:10px;}
.mini-step{
  display:flex;
  align-items:center;
  gap:12px;
  padding:10px 12px;
  border-radius:14px;
  background:rgba(18,19,17,.5);
  border:1px solid var(--line);
}
.mini-step i{
  font-style:normal;
  font-family:var(--font-num);
  font-size:15px;
  font-weight:700;
  color:rgba(201,242,77,.7);
  min-width:22px;
}
.mini-step span{
  font-size:13.5px;
  color:var(--text-2);
  line-height:1.5;
}
.mini-step.done{border-color:rgba(201,242,77,.3);}
.mini-step.done i{color:var(--primary);}
.hero-progress{
  margin-top:16px;
  padding-top:16px;
  border-top:1px dashed var(--line-strong);
}
.hero-progress-bar{
  height:8px;
  border-radius:var(--pill);
  background:rgba(255,255,255,.08);
  overflow:hidden;
}
.hero-progress-bar i{
  display:block;
  height:100%;
  width:0;
  border-radius:var(--pill);
  background:linear-gradient(90deg,var(--primary),var(--primary-deep));
  transition:width 900ms cubic-bezier(.2,.7,.3,1);
}
.hero-progress p{
  margin-top:10px;
  font-size:12.5px;
  color:var(--text-3);
}

/* ---------- 主体布局 ---------- */
.section{padding:clamp(56px,8vw,104px) 0;}
.section-soft{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:clamp(28px,4vw,48px);}
.section-head h2{
  font-size:clamp(1.5rem,2.6vw,2.1rem);
  font-weight:700;
  line-height:1.25;
}
.section-head p{
  margin-top:14px;
  font-size:16px;
  color:var(--text-2);
}
.guide-layout{
  display:grid;
  grid-template-columns:236px minmax(0,1fr);
  gap:clamp(24px,4vw,52px);
  align-items:start;
}
.toc{
  position:sticky;
  top:104px;
  padding:20px;
  border-radius:var(--r-card);
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
}
.toc h2{
  font-size:13px;
  font-weight:700;
  letter-spacing:.1em;
  color:var(--text-3);
  text-transform:uppercase;
}
.toc ol{margin-top:14px;display:grid;gap:4px;}
.toc a{
  display:flex;
  align-items:center;
  gap:10px;
  padding:9px 12px;
  border-radius:12px;
  font-size:14px;
  color:var(--text-2);
  transition:background var(--ease-hover),color var(--ease-hover);
}
.toc a i{
  font-style:normal;
  font-family:var(--font-num);
  font-size:12.5px;
  color:var(--text-3);
}
.toc a:hover{background:rgba(201,242,77,.1);color:var(--text);}
.toc a.current{
  background:rgba(201,242,77,.14);
  color:var(--primary);
  font-weight:700;
}
.toc a.current i{color:var(--primary);}
.toc-note{
  margin-top:16px;
  padding-top:16px;
  border-top:1px dashed var(--line-strong);
  font-size:12.5px;
  line-height:1.7;
  color:var(--text-3);
}

.guide-block{
  scroll-margin-top:110px;
  padding-bottom:clamp(32px,4vw,48px);
  margin-bottom:clamp(32px,4vw,48px);
  border-bottom:1px solid var(--line);
}
.guide-block:last-of-type{border-bottom:0;margin-bottom:0;padding-bottom:0;}
.block-title{
  display:flex;
  align-items:flex-start;
  gap:16px;
}
.block-title .idx{
  font-family:var(--font-num);
  font-size:clamp(30px,4vw,44px);
  font-weight:700;
  line-height:1;
  color:rgba(201,242,77,.5);
  letter-spacing:.02em;
}
.block-title h2{
  font-size:clamp(1.4rem,2.4vw,1.95rem);
  font-weight:700;
  line-height:1.3;
}
.block-title p{
  margin-top:10px;
  font-size:15.5px;
  color:var(--text-2);
}
.check-list{
  margin-top:26px;
  display:grid;
  gap:14px;
}
.check-item{
  display:flex;
  gap:14px;
  padding:18px 20px;
  border-radius:var(--r-card);
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  transition:transform var(--ease-move),box-shadow var(--ease-hover),border-color var(--ease-hover);
}
.check-item:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(201,242,77,.35);
}
.check-item .dot{
  flex:0 0 26px;
  width:26px;
  height:26px;
  border-radius:50%;
  display:grid;
  place-items:center;
  background:rgba(201,242,77,.14);
  color:var(--primary);
  margin-top:2px;
}
.check-item .dot svg{width:14px;height:14px;}
.check-item h3{
  font-size:17px;
  font-weight:700;
  line-height:1.6;
}
.check-item p{
  margin-top:6px;
  font-size:14.5px;
  line-height:1.75;
  color:var(--text-2);
}
.step-grid{
  margin-top:26px;
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px;
}
.step-card{
  position:relative;
  padding:24px 22px 22px;
  border-radius:var(--r-card);
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  transition:transform var(--ease-move),box-shadow var(--ease-hover),border-color var(--ease-hover);
}
.step-card::after{
  content:"";
  position:absolute;
  right:-18px;
  top:44px;
  width:18px;
  border-top:1px dashed rgba(244,241,232,.18);
}
.step-card:nth-child(2n)::after{display:none;}
.step-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(201,242,77,.35);
}
.step-card .seq{
  font-family:var(--font-num);
  font-size:34px;
  font-weight:700;
  line-height:1;
  color:rgba(201,242,77,.55);
  letter-spacing:.02em;
}
.step-card h3{
  margin-top:14px;
  font-size:19px;
  font-weight:700;
  line-height:1.5;
}
.step-card p{
  margin-top:8px;
  font-size:14.5px;
  line-height:1.75;
  color:var(--text-2);
}
.step-card .tip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:14px;
  font-size:12.5px;
  color:var(--info);
}
.step-card .tip svg{width:13px;height:13px;}

.mistake-list{
  margin-top:26px;
  display:grid;
  gap:12px;
}
.mistake{
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  gap:16px;
  padding:20px;
  border-radius:var(--r-card);
  background:var(--bg-soft);
  border:1px solid var(--line);
}
.mistake .badge-x{
  width:30px;
  height:30px;
  border-radius:50%;
  display:grid;
  place-items:center;
  background:rgba(255,106,61,.14);
  color:var(--accent);
}
.mistake .badge-x svg{width:14px;height:14px;}
.mistake h3{font-size:16.5px;font-weight:700;line-height:1.6;}
.mistake p{
  margin-top:5px;
  font-size:14.5px;
  line-height:1.75;
  color:var(--text-2);
}
.inline-figure{
  margin-top:28px;
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--line);
}
.inline-figure img{
  width:100%;
  height:clamp(200px,26vw,320px);
  object-fit:cover;
  transition:transform 400ms var(--ease-move);
}
.inline-figure:hover img{transform:scale(1.03);}
.inline-figure figcaption{
  padding:10px 16px;
  font-size:13px;
  color:var(--text-3);
  background:var(--surface);
  border-top:1px solid var(--line);
}

/* ---------- FAQ ---------- */
.faq-accordion .accordion-item{
  margin-bottom:10px;
  border:1px solid var(--line);
  border-radius:16px;
  background:var(--surface);
  overflow:hidden;
  box-shadow:var(--shadow-card);
}
.faq-accordion .accordion-item:last-child{margin-bottom:0;}
.faq-accordion .accordion-button{
  position:relative;
  padding:20px 22px 20px 22px;
  background:transparent;
  color:var(--text);
  font-size:17px;
  font-weight:700;
  line-height:1.6;
  box-shadow:none;
  border-radius:16px;
}
.faq-accordion .accordion-button:not(.collapsed){
  background:transparent;
  color:var(--primary);
  box-shadow:none;
}
.faq-accordion .accordion-button:focus{
  box-shadow:0 0 0 3px rgba(201,242,77,.18);
  border-color:transparent;
}
.faq-accordion .accordion-button::after{
  content:"";
  width:18px;
  height:18px;
  flex:0 0 18px;
  margin-left:16px;
  background:
    linear-gradient(var(--text-2),var(--text-2)) center/18px 2px no-repeat,
    linear-gradient(var(--text-2),var(--text-2)) center/2px 18px no-repeat;
  transition:transform var(--ease-move),filter var(--ease-hover);
}
.faq-accordion .accordion-button:not(.collapsed)::after{
  transform:rotate(45deg);
  filter:brightness(1.2);
}
.faq-accordion .accordion-button:not(.collapsed)::before{
  content:"";
  position:absolute;
  left:0;
  top:18px;
  bottom:18px;
  width:3px;
  border-radius:0 3px 3px 0;
  background:var(--primary);
}
.faq-accordion .accordion-body{
  padding:0 22px 22px;
  font-size:15px;
  line-height:1.8;
  color:var(--text-2);
}

/* ---------- CTA ---------- */
.cta-band{padding:clamp(48px,6vw,80px) 0;}
.cta-box{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  align-items:center;
  gap:28px;
  padding:clamp(28px,4vw,44px);
  border-radius:var(--r-card);
  background:
    radial-gradient(circle at 88% 18%,rgba(201,242,77,.12),transparent 46%),
    var(--surface);
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow-card);
  overflow:hidden;
}
.cta-box h2{
  font-size:clamp(1.35rem,2.4vw,1.9rem);
  font-weight:700;
  line-height:1.35;
}
.cta-box p{
  margin-top:10px;
  font-size:15px;
  color:var(--text-2);
  max-width:620px;
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#0E0F0D;
  border-top:1px solid var(--line);
  padding:clamp(48px,6vw,72px) 0 32px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px 28px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{
  font-size:14px;
  line-height:1.8;
  color:var(--text-2);
  max-width:320px;
}
.social-row{
  display:flex;
  gap:10px;
  margin-top:18px;
}
.social-row a{
  width:38px;
  height:38px;
  display:grid;
  place-items:center;
  border-radius:50%;
  border:1px solid var(--line-strong);
  color:var(--text-2);
  transition:border-color var(--ease-hover),color var(--ease-hover),background var(--ease-hover);
}
.social-row a:hover{
  border-color:var(--primary);
  color:var(--primary);
  background:rgba(201,242,77,.08);
}
.social-row svg{width:18px;height:18px;}
.copyright{
  margin-top:18px;
  font-size:13px;
  color:var(--text-3);
}
.footer-col h3{
  font-size:14px;
  font-weight:700;
  color:var(--text);
  letter-spacing:.06em;
  margin-bottom:16px;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{
  font-size:14px;
  color:var(--text-2);
}
.footer-col a:hover{color:var(--primary);}
.contact-list li{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:14px;
  color:var(--text-2);
}
.contact-list svg{
  width:16px;
  height:16px;
  flex:0 0 16px;
  color:var(--info);
}

/* ---------- 动效 ---------- */
.reveal{transition:opacity 520ms ease-out,transform 520ms cubic-bezier(.2,.7,.3,1);}
html.js .reveal{opacity:0;transform:translateY(16px);}
html.js .reveal.in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:991.98px){
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .site-header.is-open .mobile-menu{display:block;}
  .nav-cta{display:none;}
  .hero-grid{grid-template-columns:minmax(0,1fr);}
  .page-hero{padding-top:132px;}
  .hero-card{max-width:520px;}
  .guide-layout{grid-template-columns:minmax(0,1fr);}
  .toc{
    position:static;
    top:auto;
  }
  .toc ol{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-box{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767.98px){
  .wrap{padding:0 18px;}
  .section{padding:56px 0;}
  .step-grid{grid-template-columns:minmax(0,1fr);}
  .step-card::after{display:none;}
  .page-hero h1{font-size:clamp(1.9rem,7vw,2.4rem);}
  .hero-lead{font-size:16px;}
  .toc ol{grid-template-columns:minmax(0,1fr);}
  .block-title{gap:12px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;}
  .footer-brand{grid-column:auto;}
  .faq-accordion .accordion-button{font-size:16px;padding:18px;}
  .faq-accordion .accordion-body{padding:0 18px 18px;}
}
@media (max-width:575.98px){
  .brand-text{font-size:15px;}
  .hero-meta{font-size:12.5px;}
  .btn{width:100%;}
  .btn-row .btn{flex:1 1 100%;}
  .nav-shell{padding:6px 8px 6px 12px;}
  .cta-box{padding:24px 20px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    transition-duration:.001ms !important;
  }
  html.js .reveal{opacity:1;transform:none;}
}

/* roulang page: category2 */
:root{
  --bg:#121311;
  --bg-soft:#191B17;
  --surface:#1E211B;
  --line:rgba(244,241,232,.08);
  --line-strong:rgba(244,241,232,.16);
  --primary:#C9F24D;
  --primary-deep:#A6CC2E;
  --accent:#FF6A3D;
  --info:#6FD8C4;
  --text:#F4F1E8;
  --text-2:#A7A79B;
  --text-3:#6E7068;
  --on-primary:#12140F;
  --r-card:18px;
  --r-img:14px;
  --r-input:12px;
  --shadow:0 1px 0 rgba(255,255,255,.04),0 12px 30px rgba(0,0,0,.45);
  --shadow-hover:0 0 0 1px rgba(201,242,77,.35),0 18px 40px rgba(0,0,0,.55);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:Bahnschrift,"DIN Alternate","Helvetica Neue",Arial,sans-serif;
  --wrap:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .18s ease-out,background-color .18s ease-out,border-color .18s ease-out}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.01em}
.kw{color:var(--primary);border-bottom:4px solid rgba(111,216,196,.55);padding-bottom:2px}
.section{padding:clamp(64px,8vw,116px) 0}
.section-soft{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--info);border:1px solid rgba(111,216,196,.3);
  background:rgba(111,216,196,.08);
  padding:5px 14px;border-radius:999px;margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--info)}
h1{font-size:clamp(2rem,4.4vw,3.4rem);font-weight:800;line-height:1.15;letter-spacing:-.01em}
h2{font-size:clamp(1.5rem,2.6vw,2.1rem);font-weight:700;line-height:1.25;letter-spacing:-.005em}
h3{font-size:20px;font-weight:700;line-height:1.4}
.lead{font-size:17px;color:var(--text-2);max-width:640px}
.text-note{font-size:13px;color:var(--text-3);line-height:1.6}
.sec-link{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-size:14px;font-weight:700}
.sec-link svg{width:14px;height:14px;transition:transform .24s var(--ease)}
.sec-link:hover svg{transform:translateX(8px)}

/* ============ 悬浮胶囊导航 ============ */
.site-header{position:fixed;top:16px;left:0;right:0;z-index:120;display:flex;flex-direction:column;align-items:center;pointer-events:none}
.nav-shell{
  pointer-events:auto;
  width:min(var(--wrap),calc(100% - 32px));
  display:flex;align-items:center;gap:16px;
  padding:8px 10px;
  border-radius:999px;
  background:rgba(18,19,17,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line-strong);
  transition:background-color .24s var(--ease),box-shadow .24s var(--ease),padding .24s var(--ease);
}
.site-header.is-scrolled .nav-shell{
  background:rgba(18,19,17,.92);
  box-shadow:0 14px 34px rgba(0,0,0,.55);
  padding:5px 10px;
}
.brand{display:inline-flex;align-items:center;gap:9px;padding:4px 8px 4px 4px;border-radius:999px;flex:0 0 auto}
.brand-mark{
  width:30px;height:30px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--primary);color:var(--on-primary);
  font-family:var(--font-num);font-weight:700;font-size:16px;
  line-height:1;
}
.brand-text{font-size:16px;font-weight:800;letter-spacing:.01em;color:var(--text);white-space:nowrap}
.brand-text em{font-style:normal;color:var(--primary)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{
  display:inline-flex;align-items:center;
  min-height:38px;padding:0 16px;border-radius:999px;
  font-size:15px;color:var(--text-2);
  transition:background-color .18s ease-out,color .18s ease-out;
}
.nav-link:hover{background:rgba(201,242,77,.12);color:var(--text)}
.nav-link.active{background:var(--primary);color:var(--on-primary);font-weight:700}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:8px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:999px;
  align-items:center;justify-content:center;
  border:1px solid var(--line-strong);color:var(--text);
}
.nav-toggle svg{width:20px;height:20px}
.nav-drawer{
  pointer-events:auto;
  display:none;
  width:min(var(--wrap),calc(100% - 32px));
  margin-top:10px;
  background:var(--surface);
  border:1px solid var(--line-strong);
  border-radius:20px;
  padding:12px;
  box-shadow:0 24px 48px rgba(0,0,0,.6);
}
.nav-drawer.open{display:block}
.nav-drawer a{
  display:flex;align-items:center;min-height:48px;
  padding:0 16px;border-radius:14px;font-size:16px;color:var(--text-2);
}
.nav-drawer a:hover,.nav-drawer a.active{background:rgba(201,242,77,.12);color:var(--primary)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:700;font-size:15px;
  border:1px solid transparent;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out;
  text-align:center;line-height:1.2;
}
.btn-lg{min-height:52px;padding:0 28px;font-size:16px}
.btn-md{min-height:44px;padding:0 22px}
.btn-sm{min-height:36px;padding:0 16px;font-size:14px}
.btn-main{background:var(--primary);color:var(--on-primary);box-shadow:0 10px 24px rgba(201,242,77,.16)}
.btn-main:hover{background:var(--primary-deep);transform:translateY(-2px);box-shadow:0 14px 30px rgba(201,242,77,.24)}
.btn-main:active{transform:translateY(0);box-shadow:none}
.btn-ghost{border-color:var(--line-strong);color:var(--text);background:transparent}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}

/* ============ 页面头部 ============ */
.page-hero{
  position:relative;
  padding:152px 0 72px;
  background-color:var(--bg);
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(18,19,17,.96) 0%,rgba(18,19,17,.86) 46%,rgba(18,19,17,.5) 100%);
}
.page-hero .wrap{position:relative;z-index:1}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:26px}
.crumbs a{color:var(--text-3)}
.crumbs a:hover{color:var(--primary)}
.crumbs span.sep{color:rgba(244,241,232,.22)}
.page-hero h1{max-width:760px;margin-bottom:20px}
.page-hero .lead{max-width:680px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.hero-points{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:26px;font-size:13px;color:var(--text-3)}
.hero-points i{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--info);opacity:.9}

/* ============ 统计条 ============ */
.stats{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:18px;
  overflow:hidden;margin-top:-40px;position:relative;z-index:2;
  box-shadow:var(--shadow);
}
.stat{background:var(--surface);padding:28px 26px}
.stat .figure{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:clamp(1.9rem,3.6vw,2.7rem);line-height:1;color:var(--primary);font-weight:700}
.stat .figure small{font-size:15px;color:var(--text-2);font-weight:400;margin-left:6px;font-family:var(--font-cn)}
.stat .label{margin-top:10px;font-size:14px;color:var(--text);font-weight:700}
.stat .desc{margin-top:4px;font-size:13px;color:var(--text-3);line-height:1.6}

/* ============ 奖励卡片行 ============ */
.reward-list{display:grid;gap:16px}
.reward-row{
  display:grid;grid-template-columns:230px 1fr auto;gap:26px;align-items:center;
  background:var(--surface);border:1px solid var(--line);
  border-radius:18px;padding:18px;
  box-shadow:var(--shadow);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.reward-row:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(201,242,77,.28)}
.reward-thumb{border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/10;background:#15170F}
.reward-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.reward-row:hover .reward-thumb img{transform:scale(1.03)}
.reward-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;line-height:1;padding:6px 12px;border-radius:999px;
  border:1px solid var(--line-strong);color:var(--text-2);white-space:nowrap;
}
.tag-lime{background:rgba(201,242,77,.14);border-color:rgba(201,242,77,.4);color:var(--primary)}
.tag-coral{background:rgba(255,106,61,.12);border-color:rgba(255,106,61,.38);color:var(--accent)}
.tag-info{background:rgba(111,216,196,.1);border-color:rgba(111,216,196,.32);color:var(--info)}
.reward-body h3{margin-bottom:8px}
.reward-body p{font-size:14px;color:var(--text-2);line-height:1.7;max-width:620px}
.reward-meta{margin-top:10px;font-size:13px;color:var(--text-3);display:flex;align-items:center;gap:10px}
.reward-meta .num{color:var(--primary);font-size:13px;letter-spacing:.08em}
.reward-link{
  display:inline-flex;align-items:center;gap:8px;
  min-height:44px;padding:0 18px;border-radius:999px;
  border:1px solid var(--line-strong);
  color:var(--primary);font-size:14px;font-weight:700;white-space:nowrap;
}
.reward-link svg{width:14px;height:14px;transition:transform .24s var(--ease)}
.reward-link:hover{border-color:var(--primary);background:rgba(201,242,77,.1)}
.reward-link:hover svg{transform:translateX(8px)}

/* ============ 时间轴 ============ */
.timeline{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:8px}
.timeline::before{
  content:"";position:absolute;left:0;right:0;top:11px;height:1px;
  background:linear-gradient(90deg,rgba(244,241,232,.18),rgba(201,242,77,.5),rgba(244,241,232,.12));
}
.tl-item{position:relative;padding-top:42px}
.tl-dot{
  position:absolute;top:0;left:0;width:23px;height:23px;border-radius:50%;
  background:var(--surface);border:1px solid var(--line-strong);
  display:grid;place-items:center;
}
.tl-dot::after{content:"";width:8px;height:8px;border-radius:50%;background:var(--primary)}
.tl-item:last-child .tl-dot::after{background:var(--accent)}
.tl-item h3{font-size:17px;margin-bottom:6px}
.tl-item p{font-size:14px;color:var(--text-2);line-height:1.7}
.tl-time{display:inline-block;margin-top:12px;font-size:12px;color:var(--info);letter-spacing:.08em;border:1px solid rgba(111,216,196,.28);border-radius:999px;padding:3px 10px}

/* ============ 核对清单 ============ */
.check-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:start}
.check-list{display:grid;gap:14px}
.check-item{
  display:grid;grid-template-columns:auto 1fr;gap:16px;
  background:var(--surface);border:1px solid var(--line);border-radius:18px;
  padding:22px 24px;box-shadow:var(--shadow);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.check-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.check-idx{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  font-family:var(--font-num);font-size:15px;font-weight:700;
  color:var(--primary);background:rgba(201,242,77,.1);border:1px solid rgba(201,242,77,.28);
}
.check-item h3{font-size:17px;margin-bottom:6px}
.check-item p{font-size:14px;color:var(--text-2);line-height:1.75}
.check-aside{
  background:var(--surface);border:1px solid var(--line-strong);
  border-radius:18px;overflow:hidden;box-shadow:var(--shadow);
}
.check-aside .media{aspect-ratio:16/11;overflow:hidden}
.check-aside .media img{width:100%;height:100%;object-fit:cover}
.check-aside .body{padding:22px 24px}
.check-aside h3{font-size:17px;margin-bottom:8px}
.check-aside p{font-size:14px;color:var(--text-2);line-height:1.75}
.check-aside .btn{margin-top:18px}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px}
.acc .accordion-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:16px;
  margin-bottom:10px;
  overflow:hidden;
  box-shadow:var(--shadow);
}
.acc .accordion-item:last-child{margin-bottom:0}
.acc .accordion-header{margin:0}
.acc .accordion-button{
  position:relative;
  width:100%;
  display:flex;align-items:center;gap:14px;
  padding:20px 24px 20px 26px;
  font-size:17px;font-weight:700;color:var(--text);
  background:transparent;
  border:0;border-radius:0;
  box-shadow:none;
  text-align:left;
  line-height:1.5;
}
.acc .accordion-button:focus{box-shadow:none;outline:none}
.acc .accordion-button:focus-visible{outline:2px solid var(--primary);outline-offset:-2px}
.acc .accordion-button::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  background:var(--primary);border-radius:0 3px 3px 0;
  opacity:0;transition:opacity .18s ease-out;
}
.acc .accordion-button:not(.collapsed){color:var(--primary)}
.acc .accordion-button:not(.collapsed)::before{opacity:1}
.acc .accordion-button::after{
  content:"";width:18px;height:18px;flex:0 0 18px;margin-left:auto;
  background-image:
    linear-gradient(var(--primary),var(--primary)),
    linear-gradient(var(--primary),var(--primary));
  background-size:13px 2px,2px 13px;
  background-position:center,center;
  background-repeat:no-repeat;
  transition:transform .24s var(--ease);
}
.acc .accordion-button:not(.collapsed)::after{transform:rotate(45deg)}
.acc .accordion-body{
  padding:0 26px 22px 26px;
  font-size:15px;line-height:1.8;color:var(--text-2);
}
.acc .accordion-collapse{border-top:1px solid var(--line)}

/* ============ CTA 条 ============ */
.cta-band{
  position:relative;
  border:1px solid var(--line-strong);
  border-radius:22px;
  background:linear-gradient(130deg,#20241C 0%,#191C16 62%,#1D2218 100%);
  padding:clamp(32px,5vw,58px);
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(201,242,77,.14),transparent 68%);
  pointer-events:none;
}
.cta-band h2{margin-bottom:10px;max-width:640px}
.cta-band p{font-size:15px;color:var(--text-2);max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1}

/* ============ 页脚 ============ */
.site-footer{background:#0E0F0D;border-top:1px solid var(--line);padding:64px 0 40px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .9fr 1fr;gap:40px}
.footer-brand .brand{padding:0}
.footer-brand p{margin-top:16px;font-size:14px;color:var(--text-2);line-height:1.75;max-width:330px}
.footer-brand .copyright{margin-top:20px;font-size:13px;color:var(--text-3)}
.social-row{display:flex;gap:10px;margin-top:18px}
.social-row a{
  width:38px;height:38px;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid var(--line-strong);color:var(--text-2);
  transition:color .18s ease-out,border-color .18s ease-out,background-color .18s ease-out;
}
.social-row a svg{width:18px;height:18px}
.social-row a:hover{color:var(--primary);border-color:var(--primary);background:rgba(201,242,77,.08)}
.footer-col h3{font-size:15px;margin-bottom:16px;color:var(--text)}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:14px;color:var(--text-2)}
.footer-col a:hover{color:var(--primary)}
.contact-list li{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-2);line-height:1.6}
.contact-list svg{width:16px;height:16px;flex:0 0 16px;color:var(--info)}

/* ============ 进入视口动画 ============ */
.js .reveal{opacity:0;transform:translateY(16px);transition:opacity .55s var(--ease),transform .55s var(--ease)}
.js .reveal.is-in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .reward-row{grid-template-columns:200px 1fr;}
  .reward-link{grid-column:2;justify-self:start;margin-top:6px}
}
@media (max-width:991px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .brand-text{font-size:15px}
  .page-hero{padding:132px 0 60px}
  .stats{grid-template-columns:1fr;margin-top:-28px}
  .check-grid{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr;gap:0}
  .timeline::before{left:11px;right:auto;top:8px;bottom:8px;width:1px;height:auto;background:linear-gradient(180deg,rgba(201,242,77,.5),rgba(244,241,232,.1))}
  .tl-item{padding:0 0 26px 42px}
  .tl-item:last-child{padding-bottom:0}
  .tl-dot{top:2px;left:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:767px){
  .reward-row{grid-template-columns:1fr;gap:16px;padding:16px}
  .reward-link{grid-column:1;justify-self:start}
  .cta-band{padding:32px 24px}
  .cta-actions .btn{width:100%}
}
@media (max-width:575px){
  .wrap{padding:0 18px}
  .section{padding:56px 0}
  body{font-size:15px}
  .stat{padding:22px 20px}
  .check-item{padding:18px}
  .acc .accordion-button{padding:16px 18px 16px 20px;font-size:16px}
  .acc .accordion-body{padding:0 20px 18px 20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .hero-actions .btn{width:100%}
  .brand-text em{display:inline}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.001ms!important;animation-duration:.001ms!important}
  .js .reveal{opacity:1;transform:none}
}

/* roulang page: category3 */
:root{
  --bg:#121311;
  --bg-soft:#191B17;
  --surface:#1E211B;
  --line:rgba(244,241,232,.08);
  --line-strong:rgba(244,241,232,.16);
  --primary:#C9F24D;
  --primary-deep:#A6CC2E;
  --accent:#FF6A3D;
  --info:#6FD8C4;
  --text:#F4F1E8;
  --text-2:#A7A79B;
  --text-3:#6E7068;
  --on-primary:#12140F;
  --r-pill:999px;
  --r-card:18px;
  --r-img:14px;
  --r-input:12px;
  --shadow-card:0 1px 0 rgba(255,255,255,.04),0 12px 30px rgba(0,0,0,.45);
  --shadow-card-hover:0 0 0 1px rgba(201,242,77,.35),0 18px 40px rgba(0,0,0,.55);
  --ease-out:180ms ease-out;
  --ease-move:240ms cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Bahnschrift","DIN Alternate","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.2}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
a{color:var(--primary);text-decoration:none;transition:color var(--ease-out)}
a:hover{color:var(--primary-deep)}
::selection{background:rgba(201,242,77,.28);color:var(--text)}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}

/* ===== 容器 ===== */
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:clamp(64px,8vw,116px) 0}
.section--soft{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:42px}
.section-head h2{font-size:clamp(1.5rem,2.6vw,2.1rem);line-height:1.25}
.section-note{max-width:440px;font-size:14px;line-height:1.7;color:var(--text-2)}
.eyebrow{
  display:inline-block;
  margin-bottom:12px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--info);
}

/* ===== 悬浮胶囊导航 ===== */
.site-header{
  position:fixed;
  top:16px;left:0;right:0;
  z-index:1000;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:10px;
  padding:0 16px;
  pointer-events:none;
}
.nav-shell{
  pointer-events:auto;
  width:min(1200px,100%);
  display:flex;
  align-items:center;
  gap:16px;
  padding:8px 10px 8px 18px;
  background:rgba(18,19,17,.72);
  border:1px solid var(--line-strong);
  border-radius:var(--r-pill);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:background var(--ease-out),box-shadow var(--ease-out),padding var(--ease-out);
}
.site-header.is-scrolled .nav-shell{
  background:rgba(18,19,17,.92);
  box-shadow:0 18px 40px rgba(0,0,0,.5);
  padding-top:6px;padding-bottom:6px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--text);
  font-weight:800;
  font-size:17px;
  letter-spacing:-.01em;
  white-space:nowrap;
}
.brand:hover{color:var(--text)}
.brand-mark{
  width:30px;height:30px;
  flex:0 0 30px;
  display:grid;place-items:center;
  border-radius:9px;
  background:var(--primary);
  color:var(--on-primary);
  font-family:var(--font-num);
  font-size:17px;
  font-weight:800;
  line-height:1;
}
.brand-text em{font-style:normal;color:var(--primary)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 16px;
  border-radius:var(--r-pill);
  font-size:14.5px;
  font-weight:600;
  color:var(--text-2);
  white-space:nowrap;
  transition:background var(--ease-out),color var(--ease-out);
}
.nav-link:hover{background:rgba(201,242,77,.12);color:var(--text)}
.nav-link.active{background:var(--primary);color:var(--on-primary)}
.nav-end{display:flex;align-items:center;gap:8px}
.nav-cta{white-space:nowrap}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  background:transparent;
  border:1px solid var(--line-strong);
  border-radius:var(--r-pill);
  color:var(--text);
  cursor:pointer;
  transition:border-color var(--ease-out),color var(--ease-out);
}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary)}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px;transition:transform var(--ease-move)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-panel{
  pointer-events:auto;
  width:min(1200px,100%);
  display:none;
  flex-direction:column;
  gap:4px;
  padding:14px;
  background:var(--surface);
  border:1px solid var(--line-strong);
  border-radius:20px;
  box-shadow:0 24px 50px rgba(0,0,0,.55);
}
.mobile-panel.is-open{display:flex}
.mobile-link{
  display:flex;
  align-items:center;
  min-height:44px;
  padding:0 16px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  color:var(--text-2);
}
.mobile-link:hover{background:rgba(201,242,77,.12);color:var(--text)}
.mobile-link.active{background:var(--primary);color:var(--on-primary)}
.mobile-cta{margin-top:8px;justify-content:center}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border:1px solid transparent;
  border-radius:var(--r-pill);
  font-weight:700;
  font-size:15px;
  cursor:pointer;
  text-decoration:none;
  white-space:nowrap;
  transition:background var(--ease-out),border-color var(--ease-out),color var(--ease-out),transform var(--ease-move),box-shadow var(--ease-out);
}
.btn-sm{height:36px;padding:0 16px;font-size:14px}
.btn-md{height:44px;padding:0 22px}
.btn-lg{height:52px;padding:0 28px;font-size:16px}
.btn-primary{
  background:var(--primary);
  border-color:var(--primary);
  color:var(--on-primary);
}
.btn-primary:hover{background:#d9ff66;border-color:#d9ff66;color:var(--on-primary);transform:translateY(-2px);box-shadow:0 12px 26px rgba(201,242,77,.22)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  background:transparent;
  border-color:var(--line-strong);
  color:var(--text);
}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}

/* ===== 标签 ===== */
.badge-pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:700;
  letter-spacing:.02em;
  white-space:nowrap;
}
.badge-lime{background:rgba(201,242,77,.14);color:var(--primary);border:1px solid rgba(201,242,77,.32)}
.badge-info{background:rgba(111,216,196,.12);color:var(--info);border:1px solid rgba(111,216,196,.3)}
.badge-coral{background:rgba(255,106,61,.12);color:var(--accent);border:1px solid rgba(255,106,61,.32)}

/* ===== 内页 Hero ===== */
.page-hero{
  position:relative;
  padding:150px 0 clamp(56px,7vw,88px);
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  opacity:.24;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(120deg,rgba(18,19,17,.97) 0%,rgba(18,19,17,.88) 46%,rgba(18,19,17,.62) 100%);
}
.page-hero .wrap{position:relative;z-index:2}
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  margin-bottom:22px;
  font-size:13px;
  color:var(--text-3);
}
.crumbs a{color:var(--text-3)}
.crumbs a:hover{color:var(--primary)}
.crumbs .sep{color:var(--text-3);opacity:.6}
.crumbs .cur{color:var(--text-2)}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.page-hero h1{
  max-width:760px;
  font-size:clamp(2rem,4.4vw,3.4rem);
  line-height:1.15;
  font-weight:800;
}
.kw{
  color:var(--primary);
  border-bottom:4px solid var(--info);
  padding-bottom:2px;
  display:inline-block;
  line-height:1.08;
}
.hero-lead{
  max-width:640px;
  margin-top:20px;
  font-size:17px;
  line-height:1.75;
  color:var(--text-2);
}

/* ===== 搜索 ===== */
.search-form{
  display:flex;
  gap:10px;
  max-width:640px;
  margin-top:30px;
}
.search-field{position:relative;flex:1 1 auto}
.search-field svg{
  position:absolute;
  left:16px;top:50%;
  transform:translateY(-50%);
  width:18px;height:18px;
  color:var(--text-3);
  pointer-events:none;
}
.search-input{
  width:100%;
  height:52px;
  padding:0 16px 0 46px;
  background:#1A1D18;
  border:1px solid var(--line);
  border-radius:var(--r-input);
  color:var(--text);
  font-size:15px;
  font-family:inherit;
  transition:border-color var(--ease-out),box-shadow var(--ease-out);
}
.search-input::placeholder{color:var(--text-3)}
.search-input:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(201,242,77,.18);
}
.search-form .btn{flex:0 0 auto;height:52px}
.search-tips{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  margin-top:16px;
  font-size:13px;
  color:var(--text-3);
}
.search-tips a{
  display:inline-flex;
  align-items:center;
  height:28px;
  padding:0 12px;
  border-radius:var(--r-pill);
  border:1px solid var(--line-strong);
  color:var(--text-2);
  font-size:12.5px;
  transition:border-color var(--ease-out),color var(--ease-out),background var(--ease-out);
}
.search-tips a:hover{border-color:var(--primary);color:var(--primary);background:rgba(201,242,77,.08)}

/* ===== 快捷入口卡 ===== */
.q-card{
  height:100%;
  display:flex;
  flex-direction:column;
  padding:26px 24px 22px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  transition:transform var(--ease-move),box-shadow var(--ease-out),border-color var(--ease-out);
}
.q-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card-hover);border-color:rgba(201,242,77,.25)}
.q-icon{
  width:44px;height:44px;
  display:grid;place-items:center;
  border-radius:14px;
  background:rgba(111,216,196,.12);
  color:var(--info);
  margin-bottom:18px;
}
.q-icon svg{width:22px;height:22px}
.q-card h3{font-size:20px;line-height:1.4;margin-bottom:10px}
.q-card p{font-size:14px;line-height:1.7;color:var(--text-2)}
.q-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:auto;
  padding-top:20px;
  font-size:14px;
  font-weight:700;
  color:var(--primary);
}
.q-link svg{width:14px;height:14px;transition:transform var(--ease-move)}
.q-link:hover svg{transform:translateX(4px)}

/* ===== FAQ 手风琴 ===== */
.faq-group{margin-bottom:44px}
.faq-group:last-child{margin-bottom:0}
.faq-group h3{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:18px;
  font-size:20px;
  font-weight:700;
}
.faq-group h3::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--info);
  flex:0 0 6px;
}
.faq-group .accordion{
  --bs-accordion-bg:transparent;
  --bs-accordion-color:var(--text-2);
  --bs-accordion-border-color:transparent;
  --bs-accordion-border-width:0;
  --bs-accordion-btn-color:var(--text);
  --bs-accordion-btn-bg:transparent;
  --bs-accordion-active-bg:transparent;
  --bs-accordion-active-color:var(--primary);
  --bs-accordion-btn-focus-box-shadow:none;
  --bs-accordion-inner-border-radius:16px;
  --bs-accordion-border-radius:16px;
}
.faq-group .accordion-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:16px;
  margin-bottom:10px;
  overflow:hidden;
  transition:border-color var(--ease-out),box-shadow var(--ease-out);
}
.faq-group .accordion-item:hover{border-color:var(--line-strong)}
.faq-group .accordion-button{
  display:flex;
  align-items:center;
  gap:16px;
  width:100%;
  padding:20px 22px;
  background:transparent;
  border:0;
  border-left:3px solid transparent;
  border-radius:0;
  font-size:17px;
  font-weight:700;
  line-height:1.55;
  color:var(--text);
  text-align:left;
  box-shadow:none;
  transition:border-color var(--ease-out),color var(--ease-out);
}
.faq-group .accordion-button:not(.collapsed){
  color:var(--primary);
  border-left-color:var(--primary);
  background:transparent;
  box-shadow:none;
}
.faq-group .accordion-button::after{display:none}
.faq-group .accordion-button:focus{box-shadow:none;outline:none}
.faq-group .accordion-button:focus-visible{outline:2px solid var(--primary);outline-offset:-2px}
.faq-plus{
  position:relative;
  width:20px;height:20px;
  flex:0 0 20px;
  margin-left:auto;
}
.faq-plus::before,.faq-plus::after{
  content:"";
  position:absolute;
  background:var(--text-2);
  border-radius:2px;
  transition:transform var(--ease-move),background var(--ease-out);
}
.faq-plus::before{top:9px;left:2px;width:16px;height:2px}
.faq-plus::after{top:2px;left:9px;width:2px;height:16px}
.accordion-button:not(.collapsed) .faq-plus::before{background:var(--primary)}
.accordion-button:not(.collapsed) .faq-plus::after{transform:rotate(90deg);background:var(--primary)}
.faq-group .accordion-body{
  padding:0 22px 22px 25px;
  font-size:15px;
  line-height:1.8;
  color:var(--text-2);
}
.faq-group .accordion-body strong{color:var(--text);font-weight:700}

/* ===== 提示语对照 ===== */
.tip-media{
  position:relative;
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
}
.tip-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.tip-media figcaption{
  position:absolute;
  left:0;right:0;bottom:0;
  padding:26px 18px 14px;
  font-size:12.5px;
  color:var(--text-2);
  background:linear-gradient(to top,rgba(18,19,17,.94),rgba(18,19,17,0));
}
.tip-list{display:grid;gap:12px}
.tip-row{
  display:grid;
  grid-template-columns:minmax(0,150px) minmax(0,1fr);
  gap:18px;
  align-items:start;
  padding:18px 20px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:14px;
  transition:border-color var(--ease-out),transform var(--ease-move);
}
.tip-row:hover{border-color:rgba(201,242,77,.28);transform:translateY(-2px)}
.tip-code{
  font-family:var(--font-num);
  font-size:13.5px;
  font-weight:700;
  color:var(--info);
  letter-spacing:.02em;
  padding-top:2px;
}
.tip-text{font-size:14px;line-height:1.7;color:var(--text-2)}

/* ===== 联系卡 ===== */
.contact-card{
  padding:30px;
  background:var(--surface);
  border:1px solid var(--line-strong);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
}
.contact-row{
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:14px 0;
  border-bottom:1px dashed var(--line);
}
.contact-row:last-of-type{border-bottom:0}
.contact-row svg{
  width:18px;height:18px;
  flex:0 0 18px;
  margin-top:5px;
  color:var(--info);
}
.contact-row .label{display:block;font-size:12.5px;color:var(--text-3);line-height:1.5}
.contact-row .value{font-size:15px;font-weight:700;color:var(--text);word-break:break-all}
.contact-card .btn{margin-top:18px;width:100%}
.contact-note{
  margin-top:16px;
  font-size:13px;
  line-height:1.7;
  color:var(--text-3);
}
.check-list{display:grid;gap:14px;margin-top:26px}
.check-item{
  display:flex;
  gap:16px;
  padding:18px 20px;
  background:var(--bg-soft);
  border:1px solid var(--line);
  border-radius:14px;
}
.check-num{
  font-family:var(--font-num);
  font-size:22px;
  font-weight:800;
  line-height:1.2;
  color:rgba(201,242,77,.6);
  flex:0 0 auto;
}
.check-body h4{font-size:16px;font-weight:700;margin-bottom:4px}
.check-body p{font-size:14px;line-height:1.7;color:var(--text-2)}

/* ===== CTA 条 ===== */
.cta-band{
  position:relative;
  padding:clamp(48px,6vw,80px) 0;
  background:var(--bg-soft);
  border-top:1px solid var(--line);
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  top:-140px;left:-80px;
  width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(201,242,77,.10),rgba(201,242,77,0) 68%);
  pointer-events:none;
}
.cta-inner{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(1.4rem,2.4vw,1.9rem);line-height:1.3}
.cta-inner p{margin-top:8px;font-size:15px;color:var(--text-2);max-width:560px}

/* ===== 页脚 ===== */
.site-footer{
  background:#0E0F0D;
  border-top:1px solid var(--line);
  padding:clamp(48px,6vw,72px) 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand p{
  margin-top:16px;
  font-size:14px;
  line-height:1.75;
  color:var(--text-2);
  max-width:320px;
}
.social-row{display:flex;gap:10px;margin-top:18px}
.social-row a{
  width:36px;height:36px;
  display:grid;place-items:center;
  border-radius:var(--r-pill);
  border:1px solid var(--line-strong);
  color:var(--text-2);
  transition:border-color var(--ease-out),color var(--ease-out),transform var(--ease-move);
}
.social-row a:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.social-row svg{width:18px;height:18px}
.copyright{margin-top:20px;font-size:13px;color:var(--text-3)}
.footer-col h3{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--text)}
.footer-col ul{display:grid;gap:10px}
.footer-col a{
  font-size:14px;
  color:var(--text-2);
  transition:color var(--ease-out);
}
.footer-col a:hover{color:var(--primary)}
.contact-list li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  line-height:1.7;
  color:var(--text-2);
  word-break:break-all;
}
.contact-list svg{
  width:16px;height:16px;
  flex:0 0 16px;
  margin-top:4px;
  color:var(--info);
}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--text-3);
}

/* ===== 动效 ===== */
.reveal.pre{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .5s ease-out,transform .5s cubic-bezier(.2,.7,.3,1);
}
.reveal.pre.in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
  .reveal.pre{opacity:1;transform:none}
}

/* ===== 响应式 ===== */
@media (max-width:991px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .nav-cta{display:none}
  .nav-shell{padding:8px 10px 8px 14px}
  .page-hero{padding-top:126px}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px}
  .section-note{max-width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .wrap{padding:0 18px}
  .site-header{top:10px;padding:0 12px}
  .page-hero{padding-top:118px;padding-bottom:56px}
  .hero-lead{font-size:16px}
  .search-form{flex-direction:column}
  .search-form .btn{width:100%}
  .tip-row{grid-template-columns:1fr;gap:6px}
  .tip-code{padding-top:0}
  .contact-card{padding:22px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .faq-group .accordion-button{font-size:16px;padding:18px 18px}
  .faq-group .accordion-body{padding:0 18px 18px 21px}
}
@media (max-width:575px){
  .brand{font-size:16px}
  .brand-mark{width:28px;height:28px;flex:0 0 28px;font-size:16px}
  .hero-badges{gap:8px}
  .section{padding:56px 0}
}