/* roulang page: index */
:root{
  --lime:#C4F24C;
  --coral:#FF6B3D;
  --violet:#6C5CE7;
  --ink:#16141B;
  --bg:#F6F5F0;
  --card:#FFFFFF;
  --text:#1B1920;
  --muted:#5B5766;
  --weak:#8C8797;
  --line:#E6E3DB;
  --grad:linear-gradient(115deg,#C4F24C 0%,#2ED3A6 55%,#6C5CE7 100%);
  --shadow:0 12px 32px rgba(22,20,27,.08);
  --shadow-lg:0 18px 44px rgba(22,20,27,.14);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
a:hover{color:inherit}
button,input{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:3px solid rgba(108,92,231,.45);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.num{font-variant-numeric:tabular-nums}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,245,240,.86);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:height .22s var(--ease),box-shadow .22s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(22,20,27,.08)}
.nav-inner{
  height:72px;display:flex;align-items:center;gap:22px;
  transition:height .22s var(--ease);
}
.site-header.is-scrolled .nav-inner{height:64px}
.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.logo__mark{
  width:32px;height:32px;border-radius:10px;
  background:var(--ink);display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(22,20,27,.18);flex:0 0 auto;
}
.logo__mark svg{width:20px;height:20px;display:block}
.logo__text{display:flex;flex-direction:column;line-height:1.1}
.logo__text strong{font-size:17px;font-weight:800;letter-spacing:.02em}
.logo__text em{
  font-style:normal;font-size:12px;color:var(--weak);letter-spacing:.14em;margin-top:2px;
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:10px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:40px;
  padding:0 13px;font-size:15px;color:var(--muted);border-radius:10px;
  transition:color .18s var(--ease),background .18s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:13px;right:13px;bottom:4px;height:2px;
  background:var(--lime);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(22,20,27,.04)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--text);font-weight:700}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-tools{display:flex;align-items:center;gap:10px;margin-left:auto}
.search{
  position:relative;width:240px;display:flex;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:12px;height:42px;
  padding:0 10px 0 34px;transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.search i{position:absolute;left:12px;color:var(--weak);font-size:13px}
.search input{
  width:100%;border:0;background:transparent;font-size:14px;color:var(--text);height:40px;padding:0;
}
.search input:focus{outline:none}
.search input::placeholder{color:var(--weak)}
.search:focus-within{border-color:var(--violet);box-shadow:0 0 0 2px rgba(108,92,231,.18)}
.search__kbd{
  font-size:11px;color:var(--weak);border:1px solid var(--line);border-radius:6px;
  padding:1px 6px;background:var(--bg);flex:0 0 auto;
}
.icon-btn{
  width:42px;height:42px;border-radius:999px;border:1px solid var(--line);background:#fff;
  display:flex;align-items:center;justify-content:center;color:var(--text);cursor:pointer;
  transition:background .18s var(--ease),transform .18s var(--ease),border-color .18s var(--ease);
}
.icon-btn:hover{background:var(--ink);color:var(--lime);border-color:var(--ink);transform:translateY(-2px)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border:0;border-radius:12px;cursor:pointer;
  font-size:15px;font-weight:700;letter-spacing:.02em;
  transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.btn--primary{background:var(--ink);color:var(--lime);border-radius:999px}
.btn--primary:hover{background:var(--grad);color:var(--ink);transform:translateY(-2px);box-shadow:var(--shadow)}
.btn--outline{background:transparent;color:var(--ink);border:1.5px solid var(--ink)}
.btn--outline:hover{background:var(--ink);color:var(--lime);transform:translateY(-2px)}
.btn--ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.4)}
.btn--ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.7)}
.btn--sm{min-height:40px;padding:0 16px;font-size:14px}
.burger{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);cursor:pointer;align-items:center;justify-content:center;
}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:#fff;
  padding:8px 0 18px;
}
.mobile-drawer.is-open{display:block}
.mobile-drawer a{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 20px;font-size:16px;color:var(--muted);border-bottom:1px solid var(--line);
}
.mobile-drawer a.is-active{color:var(--text);font-weight:700}
.mobile-drawer .drawer-cta{padding:16px 20px 0;border-bottom:0}
.mobile-drawer .btn{width:100%}

/* ---------- 通用板块 ---------- */
main{display:block}
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;
}
.section-title{
  position:relative;font-size:30px;font-weight:800;line-height:1.3;padding-left:16px;
}
.section-title::before{
  content:"";position:absolute;left:0;top:6px;width:4px;height:22px;border-radius:2px;background:var(--lime);
}
.section-desc{color:var(--muted);font-size:15px;max-width:640px;margin-top:10px}
.link-more{
  font-size:14px;font-weight:700;color:var(--ink);display:inline-flex;align-items:center;gap:6px;
  border-bottom:2px solid var(--lime);padding-bottom:2px;transition:color .18s var(--ease),gap .18s var(--ease);
}
.link-more:hover{color:var(--violet);gap:10px}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:700;background:rgba(255,107,61,.12);color:#C4451B;letter-spacing:.02em;
}
.tag--lime{background:rgba(196,242,76,.32);color:#4A5B10}
.tag--violet{background:rgba(108,92,231,.12);color:#4B3FC0}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(900px 420px at 88% 10%,rgba(108,92,231,.14),transparent 62%),
    radial-gradient(700px 360px at 4% 92%,rgba(46,211,166,.16),transparent 60%),
    var(--bg);
  padding:64px 0 72px;
}
.hero__grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.hero__eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:13px;color:var(--muted);margin-bottom:20px;
}
.hero__eyebrow span{width:8px;height:8px;border-radius:50%;background:var(--lime)}
.hero__title{
  font-size:clamp(30px,4.6vw,52px);font-weight:800;line-height:1.18;letter-spacing:.01em;
}
.hero__title mark{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero__sub{font-size:17px;color:var(--muted);margin-top:18px;max-width:560px}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero__badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.stat-badge{
  display:inline-flex;align-items:baseline;gap:8px;padding:10px 16px;border-radius:999px;
  background:#fff;border:1px solid rgba(108,92,231,.35);
}
.stat-badge i{width:8px;height:8px;border-radius:50%;background:var(--lime);display:inline-block}
.stat-badge i.alt{background:var(--coral)}
.stat-badge .num{font-size:20px;font-weight:800;letter-spacing:.01em}
.stat-badge small{font-size:13px;color:var(--weak)}
.hero__media{position:relative}
.hero__media-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  min-height:400px;box-shadow:var(--shadow-lg);
}
.hero__media-card img{width:100%;height:100%;min-height:400px;object-fit:cover}
.hero__media-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(150deg,rgba(196,242,76,.42) 0%,rgba(46,211,166,.24) 46%,rgba(108,92,231,.56) 100%);
  mix-blend-mode:multiply;
}
.hero__media-note{
  position:absolute;left:18px;right:18px;bottom:18px;z-index:2;color:#fff;
}
.hero__media-note h2{font-size:19px;font-weight:800;line-height:1.45;text-shadow:0 2px 12px rgba(0,0,0,.35)}
.hero__media-note p{font-size:13px;color:rgba(255,255,255,.85);margin-top:4px}
.hero__float{
  position:absolute;left:-16px;bottom:38px;z-index:3;
  background:#fff;border-radius:999px;padding:10px 18px;border:1px solid rgba(108,92,231,.4);
  display:flex;align-items:center;gap:10px;box-shadow:var(--shadow);
}
.hero__float .num{font-size:20px;font-weight:800;color:var(--ink)}
.hero__float small{font-size:12px;color:var(--weak)}

/* ---------- 深色数据条 ---------- */
.stats-strip{background:var(--ink);color:#fff;padding:48px 0}
.stats-strip__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.stats-strip__item{border-left:1px solid rgba(255,255,255,.14);padding-left:20px}
.stats-strip__item:first-child{border-left:0;padding-left:0}
.stats-strip__num{font-size:34px;font-weight:800;color:var(--lime);line-height:1.2}
.stats-strip__label{font-size:14px;color:rgba(255,255,255,.72);margin-top:6px}
.strip-badge{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  border:1px solid rgba(255,255,255,.18);font-size:13px;color:rgba(255,255,255,.82);margin-top:12px;
}
.strip-badge i{width:8px;height:8px;border-radius:50%;background:var(--coral)}

/* ---------- 玩法步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step-card{
  position:relative;background:var(--card);border-radius:var(--r-md);padding:28px 26px;
  box-shadow:var(--shadow);border-top:4px solid transparent;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.step-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:4px;border-radius:18px 18px 0 0;background:var(--grad);
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.step-card__num{
  font-size:36px;font-weight:800;line-height:1;color:transparent;
  -webkit-text-stroke:1.4px rgba(27,25,32,.32);letter-spacing:.02em;
}
.step-card__bar{width:36px;height:4px;border-radius:2px;background:var(--lime);margin:14px 0 16px}
.step-card h3{font-size:20px;font-weight:800;margin-bottom:8px}
.step-card p{font-size:14.5px;color:var(--muted);line-height:1.8}
.steps-foot{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:32px}

/* ---------- 奖励卡 ---------- */
.reward-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.reward-card{
  background:var(--card);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);
  display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.reward-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.reward-card__media{position:relative;aspect-ratio:16/9;background:#EDEBE4;overflow:hidden}
.reward-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.reward-card:hover .reward-card__media img{transform:scale(1.03)}
.reward-card__flag{
  position:absolute;top:12px;left:12px;background:var(--coral);color:#fff;
  font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px;
}
.reward-card__body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.reward-card__body h3{font-size:18px;font-weight:800}
.reward-card__body p{font-size:14px;color:var(--muted);line-height:1.75}
.reward-card__foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  border-top:1px solid var(--line);padding-top:14px;
}
.reward-card__foot .num{font-size:21px;font-weight:800;color:var(--ink)}
.reward-card__foot small{font-size:12px;color:var(--weak)}

/* ---------- 任务进度 ---------- */
.task-panel{
  background:var(--card);border-radius:var(--r-lg);padding:38px 40px;box-shadow:var(--shadow);
  border:1px solid var(--line);
}
.task-row{display:grid;grid-template-columns:200px 1fr 120px;align-items:center;gap:20px;padding:18px 0;border-bottom:1px solid var(--line)}
.task-row:last-of-type{border-bottom:0}
.task-row__name{font-size:15px;font-weight:700}
.task-row__name small{display:block;font-weight:400;font-size:13px;color:var(--weak)}
.bar{height:10px;border-radius:999px;background:var(--line);overflow:hidden}
.bar__fill{height:100%;border-radius:999px;background:var(--grad)}
.task-row__right{display:flex;align-items:center;justify-content:flex-end;gap:10px}
.task-row__pct{font-size:19px;font-weight:800}
.step-chip{
  font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px;
  background:rgba(108,92,231,.12);color:#4B3FC0;
}
.task-cta{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:28px;padding-top:24px;border-top:1px solid var(--line)}

/* ---------- 最新信息 ---------- */
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.filter-chip{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:14px;color:var(--muted);cursor:pointer;
  transition:all .18s var(--ease);
}
.filter-chip:hover{border-color:var(--ink);color:var(--ink)}
.filter-chip.is-active{background:var(--ink);color:var(--lime);border-color:var(--ink);font-weight:700}
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{
  background:var(--card);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow);
  display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.post-card__media{position:relative;aspect-ratio:16/9;background:#EDEBE4;overflow:hidden}
.post-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.post-card:hover .post-card__media img{transform:scale(1.03)}
.post-card__body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-card__title{
  font-size:18px;font-weight:800;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card__excerpt{
  font-size:14px;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card__meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--weak);border-top:1px solid var(--line);padding-top:14px;
}
.post-card__meta i{color:var(--violet)}
.cms-empty{
  border:1px dashed var(--line);border-radius:var(--r-md);padding:20px;text-align:center;
  color:var(--weak);font-size:15px;background:rgba(255,255,255,.6);
}

/* ---------- 社区热议 ---------- */
.hot-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:28px}
.hot-panel{background:var(--card);border-radius:var(--r-lg);padding:30px 32px;box-shadow:var(--shadow)}
.hot-panel h3{font-size:19px;font-weight:800;margin-bottom:18px}
.rank-item{
  display:flex;align-items:center;gap:16px;padding:14px 0;border-bottom:1px solid var(--line);
}
.rank-item:last-child{border-bottom:0}
.rank-item__idx{
  width:34px;height:34px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;background:var(--bg);color:var(--muted);flex:0 0 auto;
}
.rank-item:nth-child(1) .rank-item__idx{background:rgba(196,242,76,.42);color:#3F4D0C}
.rank-item:nth-child(2) .rank-item__idx{background:rgba(255,107,61,.16);color:#B93E16}
.rank-item__main{flex:1;min-width:0}
.rank-item__main strong{
  display:block;font-size:15.5px;font-weight:700;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.rank-item__main span{font-size:13px;color:var(--weak)}
.count-badge{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:800;color:var(--ink);
}
.count-badge i{color:var(--coral);font-size:12px}
.avatars{display:flex;align-items:center}
.avatars span{
  width:34px;height:34px;border-radius:50%;border:2px solid #fff;margin-left:-10px;
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:#fff;
}
.avatars span:first-child{margin-left:0}
.avatars .a1{background:#6C5CE7}.avatars .a2{background:#2ED3A6}
.avatars .a3{background:#FF6B3D}.avatars .a4{background:#16141B}
.avatars .a5{background:#C4F24C;color:#3F4D0C}
.topic-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}

/* ---------- FAQ ---------- */
.faq{max-width:920px;margin:0 auto}
.faq-item{
  background:#fff;border-radius:18px;box-shadow:var(--shadow);margin-bottom:14px;overflow:hidden;
}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:transparent;border:0;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--text);text-align:left;
}
.faq-icon{
  width:30px;height:30px;border-radius:50%;background:var(--lime);color:var(--ink);
  display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:800;flex:0 0 auto;
  transition:transform .2s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .2s var(--ease);
}
.faq-a__inner{
  padding:0 24px 22px;border-top:1px solid var(--line);margin-top:0;
  font-size:15px;color:var(--muted);line-height:1.85;padding-top:16px;
}

/* ---------- 底部 CTA ---------- */
.cta-banner{
  position:relative;overflow:hidden;background:var(--ink);border-radius:var(--r-lg);
  padding:56px 48px;color:#fff;
}
.cta-banner::before{
  content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--grad);
}
.cta-banner::after{
  content:"";position:absolute;right:-120px;top:-120px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(196,242,76,.26),transparent 68%);
}
.cta-banner h2{font-size:30px;font-weight:800;line-height:1.35;position:relative;z-index:1}
.cta-banner p{color:rgba(255,255,255,.72);margin-top:14px;max-width:640px;position:relative;z-index:1}
.cta-banner__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;position:relative;z-index:1}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);margin-top:88px;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
.footer-col{border-left:1px solid rgba(255,255,255,.1);padding-left:26px}
.footer-col:first-child{border-left:0;padding-left:0}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand .logo__mark{background:rgba(255,255,255,.1);box-shadow:none}
.footer-brand strong{color:#fff;font-size:17px;font-weight:800}
.footer-brand em{display:block;font-style:normal;font-size:12px;color:rgba(255,255,255,.5);letter-spacing:.14em}
.footer-title{color:#fff;font-size:13px;letter-spacing:.16em;font-weight:700;margin-bottom:16px}
.footer-links a{display:block;padding:7px 0;font-size:14.5px;transition:color .18s var(--ease),padding-left .18s var(--ease)}
.footer-links a:hover{color:var(--lime);padding-left:6px}
.footer-text{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.66)}
.footer-form{display:flex;gap:10px;margin-top:16px}
.footer-form input{
  flex:1;height:48px;border-radius:12px;border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);color:#fff;padding:0 14px;font-size:14px;
}
.footer-form input::placeholder{color:rgba(255,255,255,.4)}
.footer-form input:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 2px rgba(196,242,76,.22)}
.footer-form button{
  height:48px;padding:0 20px;border-radius:12px;border:0;background:var(--lime);color:var(--ink);
  font-weight:700;font-size:14px;cursor:pointer;transition:transform .18s var(--ease),background .18s var(--ease);
}
.footer-form button:hover{background:var(--grad);transform:translateY(-2px)}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.1);padding:22px 0 28px;
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1439px){
  .container{max-width:1200px}
}
@media screen and (max-width:1199px){
  .search{width:190px}
  .reward-grid{grid-template-columns:repeat(2,1fr)}
  .hero__grid{gap:32px}
  .task-row{grid-template-columns:170px 1fr 110px}
}
@media screen and (max-width:1023px){
  .nav-links,.nav-tools .search,.nav-tools .icon-btn,.nav-tools .btn{display:none}
  .burger{display:flex}
  .nav-tools{margin-left:auto}
  .section{padding:64px 0}
  .hero{padding:44px 0 56px}
  .hero__grid{grid-template-columns:1fr;gap:32px}
  .hero__media{margin-top:6px}
  .hero__float{left:12px;bottom:-16px}
  .steps{grid-template-columns:1fr}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .stats-strip__grid{grid-template-columns:repeat(2,1fr);gap:24px}
  .hot-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px 24px}
  .footer-col:nth-child(3){border-left:0;padding-left:0}
  .cta-banner{padding:44px 32px}
  .task-panel{padding:30px 24px}
}
@media screen and (max-width:767px){
  .task-row{grid-template-columns:1fr;gap:10px}
  .task-row__right{justify-content:flex-start}
}
@media screen and (max-width:639px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .section-title{font-size:24px}
  .hero__title{font-size:30px}
  .reward-grid,.post-grid{grid-template-columns:1fr}
  .stats-strip__grid{grid-template-columns:1fr}
  .stats-strip__item{border-left:0;padding-left:0;border-top:1px solid rgba(255,255,255,.14);padding-top:18px}
  .stats-strip__item:first-child{border-top:0;padding-top:0}
  .footer-grid{grid-template-columns:1fr}
  .footer-col{border-left:0;padding-left:0}
  .cta-banner{padding:34px 22px}
  .cta-banner h2{font-size:24px}
  .footer-form{flex-direction:column}
  .footer-form button{width:100%}
  .hero__float{position:static;margin-top:16px;display:inline-flex}
  .reward-card__body,.post-card__body{padding:20px}
}

/* roulang page: category1 */
:root{
  --lime:#C4F24C;
  --coral:#FF6B3D;
  --violet:#6C5CE7;
  --bg:#F6F5F0;
  --ink:#16141B;
  --card:#FFFFFF;
  --text:#1B1920;
  --text-2:#5B5766;
  --text-3:#8C8797;
  --line:#E6E3DB;
  --grad:linear-gradient(115deg,#C4F24C 0%,#2ED3A6 55%,#6C5CE7 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --sh:0 12px 32px rgba(22,20,27,.08);
  --sh-hover:0 18px 44px rgba(22,20,27,.14);
  --ease: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:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:.01em;line-height:1.32;}
p{margin:0 0 18px;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
input,button{outline:none;}
:focus-visible{outline:3px solid rgba(108,92,231,.45);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}

/* ------- 顶栏 ------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,245,240,.86);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s var(--ease);
}
.site-header.is-compact{box-shadow:0 8px 24px rgba(22,20,27,.08);}
.header-inner{
  height:72px;display:flex;align-items:center;gap:24px;
  transition:height .24s var(--ease);
}
.site-header.is-compact .header-inner{height:64px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo__mark{
  width:32px;height:32px;border-radius:10px;flex-shrink:0;
  background:var(--ink);display:flex;align-items:center;justify-content:center;
}
.logo__mark svg{width:22px;height:22px;}
.logo__text{display:flex;flex-direction:column;line-height:1.15;}
.logo__text strong{font-size:17px;font-weight:800;letter-spacing:.02em;}
.logo__text em{font-size:12px;font-style:normal;color:var(--text-3);letter-spacing:.08em;}

.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  height:40px;padding:0 14px;border-radius:10px;
  font-size:15px;color:var(--text-2);font-weight:600;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;
  background:var(--lime);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--text);}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--text);}

.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.command-search{
  position:relative;display:flex;align-items:center;width:240px;height:40px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:0 10px 0 34px;transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.command-search i{position:absolute;left:12px;color:var(--text-3);font-size:13px;}
.command-search input{
  width:100%;border:0;background:transparent;font-size:14px;color:var(--text);
}
.command-search input::placeholder{color:var(--text-3);}
.command-search:focus-within{border-color:var(--violet);box-shadow:0 0 0 3px rgba(108,92,231,.18);}
.kbd{
  flex-shrink:0;font-size:11px;color:var(--text-3);border:1px solid var(--line);
  border-radius:6px;padding:1px 6px;background:#FAFAF7;
}
.icon-btn{
  width:40px;height:40px;border-radius:999px;border:1px solid var(--line);
  background:var(--card);color:var(--text-2);cursor:pointer;
  display:flex;align-items:center;justify-content:center;font-size:15px;
  transition:all .22s var(--ease);
}
.icon-btn:hover{background:var(--ink);color:var(--lime);border-color:var(--ink);}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--card);color:var(--text);cursor:pointer;font-size:17px;
  align-items:center;justify-content:center;
}

/* ------- 按钮 ------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-sm);
  font-size:15px;font-weight:700;cursor:pointer;border:1.5px solid transparent;
  transition:all .22s var(--ease);white-space:nowrap;
}
.btn-primary{background:var(--ink);color:var(--lime);}
.btn-primary:hover{background:var(--grad);color:var(--ink);box-shadow:var(--sh-hover);transform:translateY(-2px);}
.btn-outline{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-outline:hover{background:var(--ink);color:var(--lime);transform:translateY(-2px);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.4);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-2px);}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
.btn-pill{border-radius:999px;}

/* ------- 移动抽屉 ------- */
.mobile-drawer{
  display:none;background:var(--card);border-top:1px solid var(--line);
  padding:12px 20px 20px;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a{
  display:block;padding:13px 4px;font-size:16px;font-weight:600;color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.mobile-drawer a:last-of-type{border-bottom:0;}
.mobile-drawer a.is-active{color:var(--text);}
.mobile-drawer .btn{width:100%;margin-top:14px;}

/* ------- 分类首屏 ------- */
.cat-hero{position:relative;overflow:hidden;background:var(--ink);}
.cat-hero__bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.42;
}
.cat-hero__mask{
  position:absolute;inset:0;
  background:
    linear-gradient(115deg,rgba(22,20,27,.94) 0%,rgba(22,20,27,.72) 48%,rgba(108,92,231,.48) 100%);
}
.cat-hero__inner{position:relative;z-index:2;padding:72px 0 68px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--lime);text-transform:none;margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--lime);border-radius:2px;}
.cat-hero h1{
  font-size:clamp(30px,4.6vw,52px);color:#fff;margin-bottom:18px;
}
.cat-hero__sub{
  font-size:17px;line-height:1.8;color:rgba(255,255,255,.78);
  max-width:560px;margin-bottom:28px;
}
.cat-hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-total{
  display:inline-flex;align-items:center;gap:10px;
  padding:8px 18px;border-radius:999px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  color:rgba(255,255,255,.86);font-size:14px;
}
.hero-total b{font-size:20px;color:var(--lime);font-weight:800;}

.hero-side{display:flex;flex-direction:column;gap:16px;margin-top:28px;}
.hero-side__card{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-md);padding:22px 24px;
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.hero-side__card h3{font-size:17px;color:#fff;margin-bottom:8px;}
.hero-side__card p{font-size:14px;color:rgba(255,255,255,.7);margin:0;}
.hero-side__card .tag-row{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px;}
.mini-tag{
  font-size:12px;padding:4px 12px;border-radius:999px;
  background:rgba(196,242,76,.14);color:var(--lime);
  border:1px solid rgba(196,242,76,.28);
}

/* ------- 数据徽章条 ------- */
.stats-strip{padding:34px 0 0;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat-badge{
  display:flex;align-items:center;gap:14px;
  background:var(--card);border:1px solid var(--violet);
  border-radius:999px;padding:14px 22px;box-shadow:var(--sh);
}
.stat-badge__dot{width:8px;height:8px;border-radius:50%;flex-shrink:0;background:var(--lime);}
.stat-badge:nth-child(even) .stat-badge__dot{background:var(--coral);}
.stat-badge__num{font-size:20px;font-weight:800;letter-spacing:.01em;}
.stat-badge__txt{font-size:13px;color:var(--text-2);line-height:1.4;}

/* ------- 通用板块 ------- */
.section{padding:88px 0 0;}
.section--last{padding-bottom:88px;}
.section-head{margin-bottom:36px;max-width:720px;}
.section-head h2{
  position:relative;font-size:clamp(24px,3vw,31px);padding-left:16px;margin-bottom:14px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;width:4px;height:22px;
  background:var(--lime);border-radius:2px;
}
.section-head p{color:var(--text-2);font-size:16px;margin:0;}
.section-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;}
.link-more{font-size:14px;font-weight:700;color:var(--text-2);display:inline-flex;align-items:center;gap:6px;}
.link-more:hover{color:var(--violet);}

/* ------- 交错图文行 ------- */
.alt-list{display:flex;flex-direction:column;gap:30px;}
.alt-row{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center;
  box-shadow:var(--sh);transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.alt-row:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.alt-row__media{overflow:hidden;border-radius:var(--r-md);background:#EFEDE6;}
.alt-row__media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s var(--ease);}
.alt-row:hover .alt-row__media img{transform:scale(1.03);}
.alt-row__body{min-width:0;}
.alt-row__body h3{font-size:20px;margin:12px 0 10px;}
.alt-row__body p{font-size:14px;color:var(--text-2);margin-bottom:18px;}
.alt-row.is-reverse .alt-row__media{order:2;}
.alt-row.is-reverse .alt-row__body{order:1;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;
  background:rgba(255,107,61,.12);color:#D9531F;
}
.alt-row__foot{display:flex;align-items:center;justify-content:space-between;gap:14px;}
.meta-line{font-size:13px;color:var(--text-3);}
.arrow-link{
  font-size:14px;font-weight:700;color:var(--ink);display:inline-flex;align-items:center;gap:6px;
}
.arrow-link i{transition:transform .22s var(--ease);}
.arrow-link:hover{color:var(--violet);}
.arrow-link:hover i{transform:translateX(4px);}

/* ------- 上手三步 ------- */
.steps-wrap{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:38px;box-shadow:var(--sh);
}
.steps-head{margin-bottom:28px;}
.steps-head h2{position:relative;font-size:26px;padding-left:16px;margin-bottom:12px;}
.steps-head h2::before{
  content:"";position:absolute;left:0;top:5px;width:4px;height:22px;background:var(--lime);border-radius:2px;
}
.steps-head p{color:var(--text-2);font-size:15px;margin:0;}
.step-row{display:grid;grid-template-columns:120px 1fr;gap:22px;align-items:start;padding:22px 0;border-top:1px solid var(--line);}
.step-row:first-of-type{border-top:0;}
.step-no{
  font-size:36px;font-weight:800;color:transparent;
  -webkit-text-stroke:1.4px var(--violet);line-height:1;
}
.step-body h3{font-size:18px;margin-bottom:8px;}
.step-body p{font-size:14px;color:var(--text-2);margin:0;}
.progress-block{margin-top:26px;padding-top:26px;border-top:1px solid var(--line);}
.progress-item{margin-bottom:20px;}
.progress-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px;}
.progress-top span{font-size:14px;color:var(--text-2);font-weight:600;}
.progress-top .num{font-size:17px;font-weight:800;color:var(--ink);}
.progress-track{height:10px;border-radius:999px;background:var(--line);overflow:hidden;}
.progress-fill{height:100%;border-radius:999px;background:var(--grad);}
.progress-cta{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:28px;}
.progress-cta .hint{font-size:13px;color:var(--text-3);}

/* ------- 适用场景 ------- */
.fit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.fit-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px;border-top:4px solid transparent;
  background-image:linear-gradient(var(--card),var(--card)),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.fit-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.fit-card h3{font-size:18px;margin-bottom:10px;}
.fit-card p{font-size:14px;color:var(--text-2);margin-bottom:16px;}
.fit-card ul li{
  position:relative;padding-left:18px;font-size:14px;color:var(--text-2);margin-bottom:8px;
}
.fit-card ul li::before{
  content:"";position:absolute;left:0;top:10px;width:7px;height:7px;border-radius:2px;background:var(--lime);
}

/* ------- FAQ ------- */
.faq-list{display:flex;flex-direction:column;gap:16px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;transition:box-shadow .22s var(--ease);
}
.faq-item:hover{box-shadow:var(--sh);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:transparent;border:0;cursor:pointer;text-align:left;
  padding:22px 24px;font-size:17px;font-weight:600;color:var(--text);
}
.faq-icon{
  flex-shrink:0;width:30px;height:30px;border-radius:50%;
  background:var(--lime);color:var(--ink);
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:800;
  transition:transform .2s var(--ease),background .2s var(--ease);
}
.faq-item.is-open .faq-icon{background:var(--ink);color:var(--lime);transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .2s ease;
  border-top:1px solid transparent;
}
.faq-item.is-open .faq-a{border-top-color:var(--line);}
.faq-a p{padding:18px 24px 22px;font-size:15px;color:var(--text-2);margin:0;}

/* ------- CTA 横幅 ------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink);border-radius:var(--r-lg);
  padding:52px 48px;
}
.cta-band::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad);
}
.cta-band__bg{
  position:absolute;inset:0;background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;opacity:.2;
}
.cta-band__inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-band h2{color:#fff;font-size:clamp(22px,2.8vw,30px);margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;max-width:560px;margin:0;}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ------- 页脚 ------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);margin-top:88px;padding:64px 0 0;}
.footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:0;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-col{padding:0 28px 40px 0;}
.footer-col + .footer-col{border-left:1px solid rgba(255,255,255,.1);padding-left:28px;}
.footer-col:last-child{padding-right:0;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand span:last-child{display:flex;flex-direction:column;line-height:1.2;}
.footer-brand strong{color:#fff;font-size:17px;font-weight:800;}
.footer-brand em{font-size:12px;font-style:normal;color:rgba(255,255,255,.5);letter-spacing:.08em;}
.footer-text{font-size:14px;line-height:1.8;color:rgba(255,255,255,.65);}
.footer-title{font-size:13px;font-weight:700;letter-spacing:.1em;color:#fff;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-links a:hover{color:var(--lime);}
.footer-form{display:flex;gap:10px;margin-top:14px;}
.footer-form input{
  flex:1;min-width:0;height:46px;border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);
  color:#fff;padding:0 14px;font-size:14px;
}
.footer-form input::placeholder{color:rgba(255,255,255,.4);}
.footer-form input:focus{border-color:var(--violet);box-shadow:0 0 0 3px rgba(108,92,231,.28);}
.footer-form button{
  height:46px;padding:0 18px;border-radius:var(--r-sm);border:0;cursor:pointer;
  background:var(--lime);color:var(--ink);font-weight:700;font-size:14px;
  transition:all .22s var(--ease);
}
.footer-form button:hover{background:var(--grad);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:14px 28px;justify-content:space-between;
  padding:24px 0 32px;font-size:13px;color:rgba(255,255,255,.5);
}

/* ------- 响应式 ------- */
@media (max-width:1199px){
  .command-search{width:200px;}
}
@media (max-width:1023px){
  .nav-links{display:none;}
  .command-search{display:none;}
  .menu-toggle{display:flex;}
  .header-actions .btn-primary{display:none;}
  .section{padding-top:64px;}
  .section--last{padding-bottom:64px;}
  .cat-hero__inner{padding:56px 0 52px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .alt-row{grid-template-columns:1fr;gap:22px;}
  .alt-row.is-reverse .alt-row__media{order:0;}
  .alt-row.is-reverse .alt-row__body{order:0;}
  .fit-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .footer-col{border-left:0 !important;padding-left:0 !important;padding-right:0;}
  .cta-band{padding:40px 30px;}
  .site-footer{margin-top:64px;}
}
@media (max-width:639px){
  .container{padding:0 16px;}
  .section{padding-top:48px;}
  .section--last{padding-bottom:48px;}
  .site-footer{margin-top:48px;padding-top:48px;}
  .cat-hero__inner{padding:44px 0 40px;}
  .cat-hero__sub{font-size:15px;}
  .stats-grid{grid-template-columns:1fr;gap:14px;}
  .stat-badge{padding:12px 18px;}
  .alt-row{padding:20px;}
  .alt-row__body h3{font-size:18px;}
  .steps-wrap{padding:24px 20px;}
  .step-row{grid-template-columns:1fr;gap:8px;}
  .fit-grid{grid-template-columns:1fr;}
  .faq-q{padding:18px 18px;font-size:16px;}
  .faq-a p{padding:16px 18px 20px;}
  .cta-band{padding:32px 22px;}
  .cta-band__actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-form{flex-direction:column;}
  .footer-form button{width:100%;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

/* roulang page: article */
:root{
  --brand-lime:#C4F24C;
  --brand-mint:#2ED3A6;
  --brand-coral:#FF6B3D;
  --brand-purple:#6C5CE7;
  --bg:#F6F5F0;
  --ink:#16141B;
  --card:#FFFFFF;
  --text:#1B1920;
  --text-2:#5B5766;
  --text-3:#8C8797;
  --border:#E6E3DB;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --sh-1:0 12px 32px rgba(22,20,27,.08);
  --sh-2:0 18px 44px rgba(22,20,27,.14);
  --grad:linear-gradient(115deg,#C4F24C 0%,#2ED3A6 55%,#6C5CE7 100%);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
ul,ol{margin:0;padding:0}
:focus-visible{outline:3px solid rgba(108,92,231,.45);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (max-width:639px){.container{padding:0 16px}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,245,240,.86);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .22s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(22,20,27,.08)}
.header-inner{position:relative;display:flex;align-items:center;gap:26px;height:72px}
.site-header.is-scrolled .header-inner{height:64px}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo__mark{
  width:32px;height:32px;border-radius:10px;background:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;flex:none;
}
.logo__mark svg{width:22px;height:22px;display:block}
.logo__text strong{display:block;font-size:17px;font-weight:800;letter-spacing:.01em;line-height:1.2}
.logo__text em{display:block;font-style:normal;font-size:12px;color:var(--text-3);letter-spacing:.14em;line-height:1.4}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:40px;
  padding:0 12px;font-size:15px;color:var(--text-2);border-radius:10px;
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
  background:var(--brand-lime);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--text);font-weight:600}
.header-tools{display:flex;align-items:center;gap:12px;margin-left:auto}
.command-search{
  display:flex;align-items:center;gap:8px;
  width:240px;height:40px;padding:0 8px 0 12px;
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-sm);
  color:var(--text-3);transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.command-search:focus-within{border-color:var(--brand-purple);box-shadow:0 0 0 3px rgba(108,92,231,.16)}
.command-search svg{width:16px;height:16px;flex:none}
.command-search input{
  flex:1;min-width:0;border:0;outline:0;background:transparent;
  font-size:14px;color:var(--text);
}
.command-search input::placeholder{color:var(--text-3)}
.kbd{
  font-size:11px;line-height:1;padding:4px 6px;border:1px solid var(--border);
  border-radius:6px;color:var(--text-3);background:var(--bg);white-space:nowrap;
}
.icon-btn{
  width:40px;height:40px;flex:none;border-radius:50%;
  border:1px solid var(--border);background:var(--card);color:var(--text-2);
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  transition:all .22s var(--ease);
}
.icon-btn:hover{color:var(--text);border-color:var(--text);transform:translateY(-2px)}
.icon-btn svg{width:18px;height:18px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-sm);
  border:1.5px solid transparent;font-size:15px;font-weight:600;
  cursor:pointer;transition:all .22s var(--ease);white-space:nowrap;
}
.btn-primary{background:var(--ink);color:var(--brand-lime);border-color:var(--ink)}
.btn-primary:hover{background:var(--grad);color:var(--ink);border-color:transparent;transform:translateY(-2px)}
.btn-outline{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.4);color:#fff}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.1)}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px}
.nav-toggle{
  display:none;width:44px;height:44px;flex:none;border-radius:var(--r-sm);
  border:1px solid var(--border);background:var(--card);color:var(--text);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle svg{width:20px;height:20px}

/* ---------- Page banner ---------- */
.page-banner{
  position:relative;overflow:hidden;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  padding:40px 0 48px;
  color:#fff;
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(22,20,27,.94) 0%,rgba(22,20,27,.86) 45%,rgba(46,211,166,.42) 78%,rgba(108,92,231,.55) 100%);
}
.page-banner .container{position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.66);margin-bottom:20px}
.breadcrumb a{color:rgba(255,255,255,.66);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--brand-lime)}
.breadcrumb span.sep{color:rgba(255,255,255,.35)}
.crumb-current{color:rgba(255,255,255,.86);max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.page-banner__title{
  font-size:clamp(26px,3.6vw,42px);
  font-weight:800;line-height:1.35;letter-spacing:.01em;
  margin:0 0 20px;max-width:880px;color:#fff;
}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:rgba(255,255,255,.72)}
.post-meta__chip{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
  background:rgba(196,242,76,.16);border:1px solid rgba(196,242,76,.5);color:var(--brand-lime);
  font-weight:600;
}
.post-meta__chip--coral{background:rgba(255,107,61,.16);border-color:rgba(255,107,61,.5);color:#FFB59A}
.post-meta__dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.4)}

/* ---------- Article ---------- */
.section{padding:72px 0}
@media (max-width:1023px){.section{padding:56px 0}}
@media (max-width:639px){.section{padding:44px 0}}
.article-wrap{max-width:820px;margin:0 auto}
.article-content{font-size:17px;line-height:1.9;color:#2A2732}
.article-content p{margin:0 0 18px}
.article-content h2{
  position:relative;font-size:clamp(22px,2.6vw,28px);font-weight:800;letter-spacing:.01em;
  margin:44px 0 16px;padding-left:16px;color:var(--text);
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:22px;
  border-radius:2px;background:var(--brand-lime);
}
.article-content h3{font-size:21px;font-weight:700;margin:30px 0 12px;color:var(--text)}
.article-content h4{font-size:17px;font-weight:700;margin:22px 0 10px}
.article-content ul,.article-content ol{margin:0 0 18px;padding-left:24px}
.article-content li{margin-bottom:8px}
.article-content ul li::marker{color:var(--brand-mint);font-size:1.1em}
.article-content ol li::marker{color:var(--brand-purple);font-weight:700}
.article-content blockquote{
  margin:24px 0;padding:16px 22px;border-left:4px solid var(--brand-lime);
  background:var(--card);border-radius:0 var(--r-md) var(--r-md) 0;color:var(--text-2);
}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content img{border-radius:var(--r-md);margin:24px 0}
.article-content figure{margin:24px 0}
.article-content figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:8px}
.article-content code{
  background:#EDEAE2;padding:2px 6px;border-radius:6px;font-size:14px;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
}
.article-content pre{
  background:#F1EFE8;border-radius:var(--r-sm);padding:16px 18px;
  overflow-x:auto;font-size:14px;line-height:1.7;margin:0 0 20px;
}
.article-content pre code{background:transparent;padding:0}
.article-content a{color:var(--brand-purple);border-bottom:1px solid rgba(108,92,231,.35)}
.article-content a:hover{border-bottom-color:var(--brand-purple)}
.article-content strong{font-weight:700}
.article-content hr{border:0;border-top:1px solid var(--border);margin:32px 0}
.article-content table{width:100%;border-collapse:collapse;font-size:15px;margin:20px 0}
.article-content th,.article-content td{border:1px solid var(--border);padding:10px 12px;text-align:left}
.article-content th{background:#F1EFE8;font-weight:700}

.article-tags{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:40px;padding-top:24px;border-top:1px solid var(--border);
}
.article-tags__label{font-size:13px;color:var(--text-3);margin-right:4px}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  background:rgba(255,107,61,.1);border:1px solid rgba(255,107,61,.28);
  color:#C8451B;font-size:13px;font-weight:600;
  transition:all .22s var(--ease);
}
.tag:hover{background:rgba(255,107,61,.18);transform:translateY(-2px)}

.empty-state{
  border:1px dashed var(--border);border-radius:var(--r-md);
  padding:48px 24px;text-align:center;background:var(--card);
}
.empty-state p{margin:0 0 20px;color:var(--text-2);font-size:16px}

/* ---------- Related ---------- */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px}
.section-head h2{
  position:relative;font-size:clamp(22px,2.8vw,30px);font-weight:800;
  margin:0;padding-left:16px;letter-spacing:.01em;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.24em;width:4px;height:22px;
  border-radius:2px;background:var(--brand-lime);
}
.section-head .more-link{font-size:14px;color:var(--text-2);font-weight:600;border-bottom:1.5px solid var(--brand-lime);padding-bottom:2px}
.section-head .more-link:hover{color:var(--text)}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--border);border-radius:var(--r-md);overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:transparent}
.card__media{position:relative;aspect-ratio:16/9;background:#E9E6DE;overflow:hidden}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.card:hover .card__media img{transform:scale(1.03)}
.card__body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card__cat{
  align-self:flex-start;display:inline-flex;align-items:center;height:26px;padding:0 10px;
  border-radius:999px;background:rgba(255,107,61,.12);color:#C8451B;
  font-size:12px;font-weight:600;
}
.card__title{font-size:18px;font-weight:700;line-height:1.5;margin:0;color:var(--text)}
.card__desc{font-size:14px;line-height:1.75;color:var(--text-2);margin:0}
.card__meta{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:12px;font-size:13px;color:var(--text-3)}
.card__arrow{margin-left:auto;color:var(--brand-purple);font-weight:700}

/* ---------- Post nav ---------- */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:48px}
.post-nav__item{
  display:flex;flex-direction:column;gap:6px;
  padding:22px;border:1px solid var(--border);border-radius:var(--r-md);
  background:var(--card);transition:all .22s var(--ease);
}
.post-nav__item:hover{transform:translateY(-4px);box-shadow:var(--sh-1);border-color:transparent}
.post-nav__item--next{text-align:right}
.post-nav__label{font-size:12px;color:var(--text-3);letter-spacing:.08em}
.post-nav__title{font-size:16px;font-weight:700;color:var(--text)}
.back-category{margin-top:32px;display:flex;justify-content:center}

/* ---------- CTA banner ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:64px 0}
.cta-band::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad);
}
.cta-band::after{
  content:"";position:absolute;width:420px;height:420px;right:-140px;top:-180px;border-radius:50%;
  background:radial-gradient(circle,rgba(196,242,76,.22),transparent 68%);
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px}
.cta-inner h2{
  font-size:clamp(22px,2.8vw,30px);font-weight:800;margin:0 0 10px;padding-left:0;
  color:#fff;letter-spacing:.01em;
}
.cta-inner h2::before{display:none}
.cta-inner p{margin:0;color:rgba(255,255,255,.72);font-size:15px;max-width:520px}
.cta-actions{display:flex;gap:14px;flex:none}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
.footer-col{padding-right:24px;border-right:1px solid rgba(255,255,255,.1)}
.footer-col:last-child{border-right:0;padding-right:0}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .logo__mark{background:rgba(255,255,255,.08);border-radius:10px}
.footer-brand strong{display:block;color:#fff;font-size:17px;font-weight:800;line-height:1.2}
.footer-brand em{display:block;font-style:normal;font-size:12px;color:rgba(255,255,255,.5);letter-spacing:.14em;line-height:1.4}
.footer-title{font-size:13px;font-weight:700;color:#fff;letter-spacing:.06em;margin-bottom:16px}
.footer-text{margin:0 0 16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.62)}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s var(--ease),padding-left .2s var(--ease)}
.footer-links a:hover{color:var(--brand-lime);padding-left:4px}
.footer-form{display:flex;gap:10px}
.footer-form input{
  flex:1;min-width:0;height:48px;padding:0 14px;border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);
  color:#fff;font-size:14px;outline:0;transition:border-color .2s var(--ease);
}
.footer-form input::placeholder{color:rgba(255,255,255,.42)}
.footer-form input:focus{border-color:var(--brand-purple);box-shadow:0 0 0 3px rgba(108,92,231,.28)}
.footer-form button{
  height:48px;padding:0 18px;border-radius:var(--r-sm);border:0;cursor:pointer;
  background:var(--brand-lime);color:var(--ink);font-weight:700;font-size:14px;
  transition:all .22s var(--ease);
}
.footer-form button:hover{background:var(--grad)}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:12px 28px;align-items:center;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .command-search{width:200px}
}
@media (max-width:1023px){
  .nav-toggle{display:inline-flex;order:3}
  .header-tools{margin-left:auto}
  .command-search{display:none}
  .nav-links{
    position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;
    gap:0;background:var(--card);padding:10px 16px 16px;border-bottom:1px solid var(--border);
    box-shadow:var(--sh-1);display:none;
  }
  .nav-links.is-open{display:flex}
  .nav-link{height:48px;padding:0 8px;border-bottom:1px solid var(--border);border-radius:0;font-size:15px}
  .nav-link::after{display:none}
  .nav-link.is-active{color:var(--brand-purple)}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-col{padding-right:0;border-right:0}
  .cta-inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:767px){
  .post-nav{grid-template-columns:1fr}
  .post-nav__item--next{text-align:left}
  .header-inner{gap:12px}
}
@media (max-width:639px){
  body{font-size:16px}
  .page-banner{padding:32px 0 36px}
  .card-grid{grid-template-columns:1fr}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .article-content{font-size:16px;line-height:1.88}
  .footer-grid{grid-template-columns:1fr}
  .footer-form{flex-direction:column}
  .footer-form button{width:100%}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .icon-btn{display:none}
}

/* roulang page: category2 */
:root{
  --lime:#C4F24C;
  --coral:#FF6B3D;
  --violet:#6C5CE7;
  --bg:#F6F5F0;
  --ink:#16141B;
  --card:#FFFFFF;
  --text:#1B1920;
  --muted:#5B5766;
  --weak:#8C8797;
  --line:#E6E3DB;
  --grad:linear-gradient(115deg,#C4F24C 0%,#2ED3A6 55%,#6C5CE7 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --pill:999px;
  --sh:0 12px 32px rgba(22,20,27,.08);
  --sh-hover:0 18px 44px rgba(22,20,27,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sec:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
img{display:block;max-width:100%;height:auto;background:#EDEAE2}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font:inherit;color:inherit}
strong,b{font-weight:700}
:focus-visible{outline:3px solid rgba(108,92,231,.45);outline-offset:2px;border-radius:6px}
::selection{background:var(--lime);color:var(--ink)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.sec{padding:var(--sec) 0}
.sec--tight{padding:56px 0}
.grid-x.grid-margin-x{margin-left:-12px;margin-right:-12px}
.grid-x.grid-margin-x>.cell{padding-left:12px;padding-right:12px}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;height:72px;
  background:rgba(246,245,240,.86);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:height .22s var(--ease),box-shadow .22s var(--ease);
}
.site-header.is-scrolled{height:64px;box-shadow:0 8px 24px rgba(22,20,27,.08)}
.nav-bar{display:flex;align-items:center;gap:24px;height:100%}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;min-height:44px}
.logo__mark{width:32px;height:32px;border-radius:10px;background:var(--ink);display:grid;place-items:center;flex:0 0 auto}
.logo__mark svg{width:22px;height:22px}
.logo__text{display:flex;flex-direction:column;line-height:1.14}
.logo__text strong{font-size:16px;font-weight:800;letter-spacing:.01em}
.logo__text em{font-style:normal;font-size:11px;color:var(--weak);letter-spacing:.08em}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-link{position:relative;display:inline-flex;align-items:center;min-height:44px;padding:8px 12px;font-size:14.5px;font-weight:500;color:var(--muted);border-radius:8px}
.nav-link::after{content:"";position:absolute;left:12px;right:12px;bottom:6px;height:2px;border-radius:2px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease)}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--text);font-weight:700}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-tools{margin-left:auto;display:flex;align-items:center;gap:12px}
.command-search{
  display:flex;align-items:center;gap:8px;width:240px;height:42px;padding:0 10px 0 12px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);color:var(--weak);font-size:13.5px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.command-search:focus-within{border-color:var(--violet);box-shadow:0 0 0 3px rgba(108,92,231,.18)}
.command-search svg{width:16px;height:16px;flex:0 0 auto;stroke:var(--weak);fill:none;stroke-width:2}
.command-search input{flex:1;min-width:0;border:0;outline:none;background:transparent;font-size:13.5px;color:var(--text)}
.command-search input::placeholder{color:var(--weak)}
.kbd{flex:0 0 auto;font-size:11px;line-height:1.6;padding:1px 6px;border-radius:6px;background:#F1EFE9;border:1px solid var(--line);color:var(--weak)}
.icon-btn{
  width:42px;height:42px;border-radius:var(--pill);background:#fff;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--muted);transition:all .2s var(--ease)
}
.icon-btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8}
.icon-btn:hover{color:var(--ink);border-color:var(--ink);transform:translateY(-1px)}
.nav-burger{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);border:1px solid var(--line);background:#fff;
  place-items:center;color:var(--ink)
}
.nav-burger svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round}
.nav-drawer{
  position:absolute;top:100%;left:0;right:0;display:none;background:#fff;
  border-bottom:1px solid var(--line);box-shadow:var(--sh);padding:8px 20px 20px;
}
.nav-drawer.is-open{display:block}
.nav-drawer a{display:block;padding:15px 4px;border-bottom:1px solid var(--line);font-weight:600;font-size:15.5px;color:var(--text)}
.nav-drawer a:last-of-type{border-bottom:0}
.nav-drawer .btn{width:100%;margin-top:14px}

/* ============ 按钮 / 标签 / 徽章 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:var(--r-sm);
  font-size:15px;font-weight:700;letter-spacing:.01em;border:1.5px solid transparent;
  transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.btn--primary{background:var(--ink);color:var(--lime)}
.btn--primary:hover{background-image:var(--grad);color:var(--ink);transform:translateY(-2px);box-shadow:0 12px 26px rgba(46,211,166,.28)}
.btn--outline{border-color:var(--ink);color:var(--ink);background:transparent}
.btn--outline:hover{background:var(--ink);color:var(--lime)}
.btn--ghost{border-color:rgba(255,255,255,.45);color:#fff;background:rgba(255,255,255,.04)}
.btn--ghost:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn--pill{border-radius:var(--pill);padding:0 28px}
.btn--sm{min-height:42px;font-size:14px;padding:0 18px}
.tag{
  display:inline-flex;align-items:center;padding:3px 12px;border-radius:var(--pill);
  font-size:13px;font-weight:600;line-height:1.7;background:rgba(255,107,61,.12);color:#BC4A21;
}
.tag--lime{background:rgba(196,242,76,.32);color:#4A5A12}
.tag--violet{background:rgba(108,92,231,.12);color:#4B3FC4}
.status{
  display:inline-flex;align-items:center;gap:6px;padding:3px 12px;border-radius:var(--pill);
  font-size:13px;font-weight:600;line-height:1.7;border:1px solid transparent
}
.status__dot{width:8px;height:8px;border-radius:50%;background:currentColor;flex:0 0 auto}
.status--live{color:#1B7A50;background:rgba(46,211,166,.14);border-color:rgba(46,211,166,.42)}
.status--soon{color:#BC4A21;background:rgba(255,107,61,.12);border-color:rgba(255,107,61,.34)}
.status--done{color:var(--weak);background:#F1EFE9;border-color:var(--line)}
.badge-stat{
  display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:var(--pill);background:#fff;
  border:1px solid rgba(108,92,231,.34);font-size:13px;color:var(--muted)
}
.badge-stat::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--lime);flex:0 0 auto}
.badge-stat b{font-size:20px;font-weight:700;color:var(--text);font-variant-numeric:tabular-nums;letter-spacing:.01em}
.badge-stat--dark{background:transparent;border-color:rgba(255,255,255,.2);color:rgba(255,255,255,.72)}
.badge-stat--dark b{color:#fff}
.badge-stat--dark::before{background:var(--coral)}

/* ============ 面包屑 / 内页首屏 ============ */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:20px}
.crumb a:hover{color:var(--lime)}
.crumb span.sep{opacity:.5}
.page-hero{
  position:relative;overflow:hidden;padding:64px 0 72px;color:#fff;
  background-image:
    linear-gradient(115deg,rgba(22,20,27,.94) 0%,rgba(22,20,27,.78) 48%,rgba(108,92,231,.58) 100%),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.page-hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:4px;background:var(--grad)}
.page-hero h1{
  font-size:clamp(30px,4.4vw,50px);font-weight:800;line-height:1.24;letter-spacing:.01em;margin-bottom:16px
}
.page-hero .lede{font-size:17px;color:rgba(255,255,255,.78);max-width:560px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px}
.hero-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;background:#221F29;
  box-shadow:0 24px 60px rgba(0,0,0,.38);border:1px solid rgba(255,255,255,.12);
}
.hero-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.hero-card__badge{
  position:absolute;left:18px;bottom:18px;display:inline-flex;align-items:center;gap:10px;
  padding:10px 18px;border-radius:var(--pill);background:rgba(22,20,27,.82);
  border:1px solid rgba(255,255,255,.2);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.hero-card__badge b{font-size:20px;font-weight:700;color:var(--lime);font-variant-numeric:tabular-nums}
.hero-card__badge span{font-size:13px;color:rgba(255,255,255,.75)}

/* ============ 数据条（深色） ============ */
.stats-band{background:var(--ink);color:#fff;padding:48px 0}
.stats-band .stats-head{margin-bottom:28px}
.stats-band h2{font-size:19px;font-weight:700;letter-spacing:.02em}
.stats-band p{font-size:13px;color:rgba(255,255,255,.55)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat{padding-left:20px;border-left:1px solid rgba(255,255,255,.12)}
.stat b{display:block;font-size:clamp(26px,3vw,34px);font-weight:800;color:var(--lime);font-variant-numeric:tabular-nums;line-height:1.2}
.stat span{display:block;font-size:14px;color:rgba(255,255,255,.72);margin-top:2px}

/* ============ 板块标题 ============ */
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px}
.sec-title{position:relative;padding-left:16px;font-size:clamp(24px,2.7vw,32px);font-weight:800;line-height:1.3;letter-spacing:.01em}
.sec-title::before{content:"";position:absolute;left:0;top:.3em;width:4px;height:22px;border-radius:2px;background:var(--lime)}
.sec-sub{font-size:14px;color:var(--muted);margin-top:8px;padding-left:16px;max-width:640px}
.sec-link{font-size:14px;font-weight:600;color:var(--muted);display:inline-flex;align-items:center;gap:6px;min-height:44px}
.sec-link:hover{color:var(--text)}
.sec-link svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2}

/* ============ 筛选 Tab ============ */
.reward-tabs{
  display:flex;flex-wrap:wrap;gap:10px;border:0;background:transparent;margin:0 0 30px;padding:0
}
.reward-tabs .tabs-title{border:0;float:none}
.reward-tabs .tabs-title>a{
  display:inline-flex;align-items:center;min-height:44px;padding:0 20px;border-radius:var(--pill);
  background:#fff;border:1px solid var(--line);color:var(--muted);font-size:14px;font-weight:600;
  transition:all .2s var(--ease)
}
.reward-tabs .tabs-title>a:hover{color:var(--text);border-color:var(--ink);background:#fff}
.reward-tabs .tabs-title.is-active>a,
.reward-tabs .tabs-title>a[aria-selected="true"]{background:var(--ink);color:var(--lime);border-color:var(--ink)}
.reward-tabs-content{border:0;background:transparent}
.reward-tabs-content .tabs-panel{padding:0}
.reward-tabs-content .tabs-panel[aria-hidden="true"]{display:none}
.reward-tabs-content .tabs-panel.is-active{display:block}

/* ============ 时间轴 ============ */
.timeline{margin:0}
.timeline__item{display:grid;grid-template-columns:104px 1fr;gap:26px;position:relative;padding-bottom:26px}
.timeline__aside{position:relative;padding-right:24px;text-align:right}
.timeline__aside::after{content:"";position:absolute;right:0;top:10px;bottom:0;width:2px;border-radius:2px;background:var(--line)}
.timeline__item:last-child .timeline__aside::after{bottom:calc(100% - 42px)}
.timeline__dot{position:absolute;right:-6px;top:8px;width:14px;height:14px;border-radius:50%;background:#fff;border:3px solid var(--lime);z-index:1}
.timeline__item--done .timeline__dot{border-color:var(--line)}
.timeline__day{display:block;font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:.01em;line-height:1.2}
.timeline__month{display:block;font-size:13px;color:var(--weak)}
.tl-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px 26px;box-shadow:var(--sh);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#DAD6CC}
.tl-card__top{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:12px}
.tl-card__title{font-size:20px;font-weight:700;line-height:1.45;margin-bottom:8px}
.tl-card__desc{font-size:15px;color:var(--muted);line-height:1.8;margin-bottom:16px}
.tl-card__meta{display:flex;flex-wrap:wrap;gap:12px 32px;padding-top:16px;border-top:1px solid var(--line)}
.tl-card__meta span{font-size:13px;color:var(--weak);display:inline-flex;gap:8px}
.tl-card__meta b{color:var(--text);font-weight:600}

/* ============ 已结束紧凑列表 ============ */
.done-list{display:grid;gap:12px}
.done-item{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px 20px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px 22px;transition:all .22s var(--ease)
}
.done-item:hover{transform:translateY(-3px);box-shadow:var(--sh)}
.done-item__time{font-size:13px;color:var(--weak);font-variant-numeric:tabular-nums;min-width:72px}
.done-item__title{font-size:16.5px;font-weight:700;flex:1 1 220px}
.done-item__note{font-size:13px;color:var(--muted)}
.done-empty{
  border:1px dashed var(--line);border-radius:var(--r-md);padding:20px;text-align:center;
  color:var(--weak);font-size:14px;background:#fff
}

/* ============ 步骤 + 进度 ============ */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px;overflow:hidden;transition:all .22s var(--ease)
}
.step::before{content:"";position:absolute;left:0;top:0;width:4px;height:22px;background:var(--lime);border-radius:0 0 4px 0}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.step__num{font-size:36px;font-weight:800;line-height:1;letter-spacing:-.02em;color:transparent;-webkit-text-stroke:1.5px #B6B1A2;margin-bottom:14px}
@supports not (-webkit-text-stroke:1px #000){
  .step__num{color:#C9C5BB}
}
.step h3{font-size:19px;font-weight:700;margin-bottom:8px}
.step p{font-size:14.5px;color:var(--muted);line-height:1.8}
.progress-wrap{margin-top:36px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px 26px}
.progress-top{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.progress-top strong{font-size:16px}
.progress-top .val{font-size:20px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--text)}
.progress{height:10px;border-radius:var(--pill);background:var(--line);overflow:hidden}
.progress__fill{height:100%;width:66%;border-radius:var(--pill);background:var(--grad)}
.progress-note{font-size:13px;color:var(--weak);margin-top:12px}

/* ============ 结算说明 ============ */
.settle{display:grid;grid-template-columns:1fr 1.05fr;gap:40px;align-items:center}
.settle-media{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh)}
.settle-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.settle-list{display:grid;gap:16px}
.settle-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px 24px;transition:all .22s var(--ease)}
.settle-item:hover{transform:translateY(-3px);box-shadow:var(--sh)}
.settle-item h3{font-size:17.5px;font-weight:700;margin-bottom:6px;display:flex;align-items:center;gap:10px}
.settle-item h3 i{width:8px;height:8px;border-radius:50%;background:var(--coral);flex:0 0 auto}
.settle-item p{font-size:14.5px;color:var(--muted);line-height:1.8}

/* ============ FAQ ============ */
.faq{display:grid;gap:14px;max-width:900px}
.faq__item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:border-color .2s var(--ease)}
.faq__item.is-open{border-color:#D6D1C6}
.faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;font-size:17px;font-weight:600;text-align:left;line-height:1.6;color:var(--text)
}
.faq__icon{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;background:var(--lime);color:var(--ink);
  display:grid;place-items:center;font-size:18px;font-weight:700;line-height:1;transition:transform .22s var(--ease)
}
.faq__item.is-open .faq__icon{transform:rotate(45deg)}
.faq__a{max-height:0;overflow:hidden;transition:max-height .2s ease}
.faq__a-inner{padding:18px 24px 22px;border-top:1px solid var(--line);font-size:14.5px;color:var(--muted);line-height:1.85}

/* ============ CTA 横幅 ============ */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink);color:#fff;
  border-radius:var(--r-lg);padding:52px 48px;display:flex;flex-wrap:wrap;gap:24px;
  align-items:center;justify-content:space-between
}
.cta-band::before{content:"";position:absolute;left:0;top:0;right:0;height:4px;background:var(--grad)}
.cta-band::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(108,92,231,.42),transparent 68%)
}
.cta-band h2{position:relative;z-index:1;font-size:clamp(22px,2.6vw,30px);font-weight:800;margin-bottom:10px}
.cta-band p{position:relative;z-index:1;font-size:15px;color:rgba(255,255,255,.72);max-width:560px}
.cta-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:12px}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:var(--sec)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:0}
.footer-col{padding:0 28px;border-left:1px solid rgba(255,255,255,.1)}
.footer-col:first-child{border-left:0;padding-left:0}
.footer-col:last-child{padding-right:0}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;color:#fff}
.footer-brand .logo__mark{background:rgba(255,255,255,.08)}
.footer-brand span{display:flex;flex-direction:column;line-height:1.2}
.footer-brand strong{font-size:16px;font-weight:800}
.footer-brand em{font-style:normal;font-size:11px;color:rgba(255,255,255,.5);letter-spacing:.08em}
.footer-title{font-size:13px;font-weight:700;color:#fff;letter-spacing:.08em;margin-bottom:16px}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-links a:hover{color:var(--lime)}
.footer-text{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.62);margin-bottom:14px}
.footer-form{display:flex;gap:10px}
.footer-form input{
  flex:1;min-width:0;height:48px;padding:0 14px;border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);color:#fff;font-size:14px;outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease)
}
.footer-form input::placeholder{color:rgba(255,255,255,.42)}
.footer-form input:focus{border-color:var(--lime);box-shadow:0 0 0 3px rgba(196,242,76,.22)}
.footer-form button{
  height:48px;padding:0 18px;border-radius:var(--r-sm);background:var(--lime);color:var(--ink);
  font-size:14px;font-weight:700;transition:all .2s var(--ease)
}
.footer-form button:hover{background-image:var(--grad);color:var(--ink)}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.1);padding:20px 0 24px;
  display:flex;flex-wrap:wrap;gap:8px 28px;font-size:13px;color:rgba(255,255,255,.5)
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  :root{--sec:64px}
  .nav-links,.command-search{display:none}
  .nav-burger{display:grid}
  .stats{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr}
  .settle{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px 0}
  .footer-col:nth-child(odd){border-left:0;padding-left:0}
  .footer-col{padding:0 20px}
  .footer-col:first-child{padding-left:0}
}
@media (max-width:767px){
  .page-hero{padding:44px 0 56px}
  .hero-card{margin-top:34px}
  .hero-card__badge{left:14px;bottom:14px;padding:8px 14px}
  .timeline__item{grid-template-columns:1fr;gap:12px;padding-bottom:22px}
  .timeline__aside{text-align:left;padding-right:0;display:flex;align-items:baseline;gap:10px}
  .timeline__aside::after,.timeline__dot,.timeline__item:last-child .timeline__aside::after{display:none}
  .timeline__day{font-size:19px}
  .tl-card{padding:20px}
  .tl-card__meta{gap:10px 20px}
  .cta-band{padding:36px 24px}
}
@media (max-width:639px){
  :root{--sec:48px}
  .container{padding:0 16px}
  .grid-x.grid-margin-x{margin-left:-8px;margin-right:-8px}
  .grid-x.grid-margin-x>.cell{padding-left:8px;padding-right:8px}
  .stats{grid-template-columns:1fr;gap:16px}
  .stat{padding-left:16px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-col,.footer-col:last-child{padding:0;border-left:0}
  .footer-form{flex-wrap:wrap}
  .footer-form input,.footer-form button{width:100%}
  .faq__q{padding:18px 18px;font-size:16px}
  .faq__a-inner{padding:16px 18px 20px}
  .progress-wrap{padding:20px}
}

/* roulang page: category4 */
:root{
  --brand:#C4F24C;
  --accent:#FF6B3D;
  --violet:#6C5CE7;
  --bg:#F6F5F0;
  --ink:#16141B;
  --card:#FFFFFF;
  --text:#1B1920;
  --text-2:#5B5766;
  --text-3:#8C8797;
  --line:#E6E3DB;
  --grad:linear-gradient(115deg,#C4F24C 0%,#2ED3A6 55%,#6C5CE7 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --shadow:0 12px 32px rgba(22,20,27,.08);
  --shadow-hover:0 18px 44px rgba(22,20,27,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --space-section:88px;
}
*,*::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:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border-radius:var(--r-sm);}
a{color:inherit;text-decoration:none;}
a:hover{color:inherit;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}
.num{font-variant-numeric:tabular-nums;}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(246,245,240,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease),background .25s var(--ease);
}
.site-header.is-scrolled{
  box-shadow:0 8px 24px rgba(22,20,27,.08);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:72px;
  transition:min-height .25s var(--ease);
}
.site-header.is-scrolled .header-inner{min-height:64px;}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.logo__mark{
  width:36px;height:36px;
  border-radius:11px;
  background:var(--ink);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 6px 16px rgba(22,20,27,.16);
}
.logo__mark svg{width:26px;height:26px;}
.logo__text{display:flex;flex-direction:column;line-height:1.15;}
.logo__text strong{font-size:16px;font-weight:800;letter-spacing:.01em;}
.logo__text em{
  font-style:normal;
  font-size:12px;
  color:var(--text-3);
  letter-spacing:.06em;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:8px;
  flex:1 1 auto;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 14px;
  border-radius:var(--r-sm);
  font-size:15px;
  color:var(--text-2);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;
  bottom:4px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(22,20,27,.04);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--text);font-weight:700;}
.nav-link.is-active::after{transform:scaleX(1);}
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
}
.command-search{
  display:flex;
  align-items:center;
  gap:8px;
  width:240px;
  height:44px;
  padding:0 12px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.command-search:focus-within{
  border-color:var(--violet);
  box-shadow:0 0 0 3px rgba(108,92,231,.18);
}
.command-search svg{flex:0 0 auto;width:16px;height:16px;stroke:var(--text-3);}
.command-search input{
  flex:1 1 auto;
  min-width:0;
  border:0;
  background:transparent;
  font-size:14px;
  color:var(--text);
  outline:none;
}
.command-search input::placeholder{color:var(--text-3);}
.command-search kbd{
  flex:0 0 auto;
  font-family:inherit;
  font-size:11px;
  color:var(--text-3);
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:6px;
  padding:2px 6px;
}
.icon-btn{
  width:44px;height:44px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--card);
  color:var(--text-2);
  transition:transform .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.icon-btn svg{width:18px;height:18px;stroke:currentColor;}
.icon-btn:hover{color:var(--text);border-color:var(--ink);transform:translateY(-2px);}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border-radius:var(--r-sm);
  border:1.5px solid transparent;
  font-size:15px;
  font-weight:700;
  cursor:pointer;
  transition:transform .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.btn-primary{
  background:var(--ink);
  color:var(--brand);
  border-radius:999px;
}
.btn-primary:hover{
  background:var(--grad);
  color:var(--ink);
  transform:translateY(-2px);
  box-shadow:var(--shadow-hover);
}
.btn-ghost{
  background:transparent;
  border-color:var(--ink);
  color:var(--ink);
}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}
.btn-soft{
  background:rgba(255,255,255,.06);
  border-color:rgba(255,255,255,.4);
  color:#fff;
}
.btn-soft:hover{background:#fff;color:var(--ink);transform:translateY(-2px);}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
a:focus-visible,button:focus-visible,input:focus-visible,.faq-trigger:focus-visible{
  outline:3px solid rgba(108,92,231,.45);
  outline-offset:2px;
}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:var(--card);
  cursor:pointer;
  align-items:center;
  justify-content:center;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  background:var(--text);
  border-radius:2px;
  position:relative;
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;height:2px;
  background:var(--text);
  border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.mobile-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:var(--card);
  padding:12px 20px 22px;
}
.mobile-drawer.is-open{display:block;}
.drawer-group{
  display:flex;
  flex-direction:column;
  padding:8px 0;
  border-bottom:1px solid var(--line);
}
.drawer-group:last-of-type{border-bottom:0;}
.drawer-link{
  display:flex;
  align-items:center;
  min-height:48px;
  font-size:16px;
  color:var(--text-2);
}
.drawer-link.is-active{color:var(--text);font-weight:700;}
.drawer-cta{margin-top:16px;display:flex;}
.drawer-cta .btn{width:100%;}

/* ---------- page head ---------- */
.page-head{
  position:relative;
  overflow:hidden;
  background-image:linear-gradient(115deg,rgba(22,20,27,.9) 0%,rgba(22,20,27,.72) 45%,rgba(108,92,231,.62) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  color:#fff;
  padding:64px 0 72px;
}
.page-head::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:4px;
  background:var(--grad);
}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.68);
  margin-bottom:22px;
}
.crumb a{color:rgba(255,255,255,.82);}
.crumb a:hover{color:var(--brand);}
.page-head h1{
  font-size:clamp(30px,4.6vw,52px);
  font-weight:800;
  line-height:1.2;
  letter-spacing:.01em;
  max-width:820px;
}
.page-head .lead{
  margin-top:18px;
  max-width:760px;
  font-size:17px;
  color:rgba(255,255,255,.78);
}
.head-badges{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:30px;
}
.badge-dark{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:10px 18px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
  font-size:14px;
  color:rgba(255,255,255,.86);
}
.badge-dark b{
  font-size:20px;
  font-weight:700;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
}
.dot{
  width:8px;height:8px;
  border-radius:999px;
  background:var(--brand);
  display:inline-block;
}
.dot--accent{background:var(--accent);}

/* ---------- section basics ---------- */
.section{padding:var(--space-section) 0;}
.section--tight{padding:56px 0 var(--space-section);}
.section-title{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:clamp(22px,2.6vw,30px);
  font-weight:800;
}
.section-title::before{
  content:"";
  width:4px;height:22px;
  border-radius:2px;
  background:var(--brand);
  flex:0 0 auto;
}
.section-sub{
  margin-top:12px;
  color:var(--text-2);
  font-size:15px;
  max-width:720px;
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  margin-bottom:36px;
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:700;
  color:var(--text);
  border-bottom:1.5px solid var(--brand);
  padding-bottom:2px;
}
.text-link:hover{color:var(--violet);border-color:var(--violet);}

/* ---------- quick entry cards ---------- */
.entry-grid{margin-top:0;}
.entry-card{
  height:100%;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:24px;
  display:flex;
  flex-direction:column;
  gap:14px;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#DAD6CB;}
.entry-card__top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.entry-num{
  font-size:26px;
  font-weight:800;
  color:var(--card);
  -webkit-text-stroke:1.4px var(--ink);
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
}
.tag{
  display:inline-flex;
  align-items:center;
  padding:4px 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:700;
  background:rgba(255,107,61,.12);
  color:#C9451B;
  white-space:nowrap;
}
.tag--lime{background:rgba(196,242,76,.32);color:#4E6B08;}
.tag--violet{background:rgba(108,92,231,.12);color:#4A3DBE;}
.entry-card h3{font-size:19px;font-weight:700;line-height:1.45;}
.entry-card p{font-size:14px;color:var(--text-2);line-height:1.8;}
.entry-card__foot{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-3);
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.arrow{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:28px;height:28px;
  border-radius:999px;
  background:var(--ink);
  color:var(--brand);
  font-size:13px;
  transition:background .22s var(--ease),color .22s var(--ease);
}
.entry-card:hover .arrow{background:var(--grad);color:var(--ink);}

/* ---------- two column faq layout ---------- */
.faq-layout{margin-top:0;}
.anchor-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:24px;
  position:sticky;
  top:104px;
  box-shadow:var(--shadow);
}
.anchor-card__title{
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--text-3);
  margin-bottom:14px;
}
.anchor-list{display:flex;flex-direction:column;gap:4px;}
.anchor-link{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  min-height:46px;
  padding:0 14px;
  border-radius:var(--r-sm);
  font-size:15px;
  color:var(--text-2);
  border-left:3px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.anchor-link span.count{
  font-size:12px;
  color:var(--text-3);
  font-variant-numeric:tabular-nums;
}
.anchor-link:hover{background:var(--bg);color:var(--text);}
.anchor-link.is-active{
  background:rgba(196,242,76,.18);
  color:var(--text);
  font-weight:700;
  border-left-color:var(--brand);
}
.anchor-note{
  margin-top:20px;
  padding-top:18px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-3);
  line-height:1.8;
}
.anchor-figure{
  margin-top:18px;
  border-radius:var(--r-md);
  overflow:hidden;
  border:1px solid var(--line);
}
.anchor-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;background:#E9E7DF;}
.anchor-figure figcaption{
  font-size:12px;
  color:var(--text-3);
  padding:10px 12px;
  background:#FBFAF6;
}

.faq-group{margin-bottom:44px;scroll-margin-top:110px;}
.faq-group:last-child{margin-bottom:0;}
.group-head{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:8px;
}
.group-head h2{font-size:24px;font-weight:800;}
.group-head .bar{
  width:4px;height:22px;
  border-radius:2px;
  background:var(--brand);
  flex:0 0 auto;
}
.group-desc{
  color:var(--text-2);
  font-size:14px;
  margin-bottom:20px;
}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item:hover{border-color:#DAD6CB;}
.faq-item.is-open{border-color:#CFCAC0;box-shadow:var(--shadow);}
.faq-head{margin:0;}
.faq-trigger{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 22px;
  background:transparent;
  border:0;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--text);
  cursor:pointer;
  line-height:1.6;
  min-height:44px;
}
.faq-icon{
  flex:0 0 auto;
  width:30px;height:30px;
  border-radius:999px;
  background:var(--brand);
  color:var(--ink);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-style:normal;
  font-size:17px;
  font-weight:700;
  position:relative;
  transition:transform .22s var(--ease),background .22s var(--ease);
}
.faq-icon::before{content:"+";line-height:1;}
.faq-item.is-open .faq-icon{background:var(--ink);color:var(--brand);transform:rotate(180deg);}
.faq-item.is-open .faq-icon::before{content:"–";}
.faq-panel{
  max-height:0;
  overflow:hidden;
  transition:max-height .2s var(--ease);
}
.faq-panel .faq-body{
  border-top:1px solid var(--line);
  padding:18px 22px 22px;
  color:var(--text-2);
  font-size:15px;
  line-height:1.85;
}
.faq-body p+p{margin-top:12px;}
.faq-body strong{color:var(--text);font-weight:700;}

/* ---------- myth strip ---------- */
.myth-band{
  background:var(--ink);
  color:#fff;
  border-radius:var(--r-lg);
  padding:44px 40px;
  position:relative;
  overflow:hidden;
}
.myth-band::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:4px;
  background:var(--grad);
}
.myth-band h2{font-size:24px;font-weight:800;}
.myth-band .section-sub{color:rgba(255,255,255,.7);}
.myth-list{
  margin-top:26px;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.myth-item{
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.04);
  border-radius:var(--r-md);
  padding:22px;
  transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.myth-item:hover{transform:translateY(-4px);border-color:rgba(196,242,76,.5);}
.myth-item .tag{margin-bottom:12px;}
.myth-item h3{font-size:17px;font-weight:700;color:#fff;margin-bottom:8px;}
.myth-item p{font-size:14px;color:rgba(255,255,255,.68);line-height:1.8;}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink);
  color:#fff;
  border-radius:var(--r-lg);
  padding:52px 44px;
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:4px;
  background:var(--grad);
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-120px;bottom:-140px;
  width:340px;height:340px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(108,92,231,.42) 0%,rgba(108,92,231,0) 68%);
  pointer-events:none;
}
.cta-inner{
  position:relative;
  z-index:1;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(22px,3vw,32px);font-weight:800;line-height:1.35;}
.cta-band p{margin-top:12px;color:rgba(255,255,255,.72);font-size:15px;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- footer ---------- */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.72);
  padding:72px 0 28px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:32px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-col+.footer-col{border-left:1px solid rgba(255,255,255,.1);padding-left:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand strong{color:#fff;font-size:16px;font-weight:800;display:block;}
.footer-brand em{font-style:normal;font-size:12px;color:rgba(255,255,255,.5);letter-spacing:.06em;}
.footer-text{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);}
.footer-title{
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  color:#fff;
  margin-bottom:16px;
}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{
  font-size:14px;
  color:rgba(255,255,255,.68);
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-links a:hover{color:var(--brand);transform:translateX(3px);}
.footer-form{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap;}
.footer-form input{
  flex:1 1 150px;
  min-width:0;
  height:48px;
  padding:0 14px;
  border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
  color:#fff;
  font-size:14px;
  outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.footer-form input::placeholder{color:rgba(255,255,255,.42);}
.footer-form input:focus{
  border-color:var(--violet);
  box-shadow:0 0 0 3px rgba(108,92,231,.28);
}
.footer-form button{
  height:48px;
  padding:0 20px;
  border:0;
  border-radius:var(--r-sm);
  background:var(--brand);
  color:var(--ink);
  font-size:14px;
  font-weight:700;
  cursor:pointer;
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.footer-form button:hover{background:var(--accent);color:#fff;transform:translateY(-2px);}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:12px 28px;
  padding-top:24px;
  font-size:13px;
  color:rgba(255,255,255,.46);
}

/* ---------- responsive ---------- */
@media (max-width:1439px){
  .container{max-width:1200px;}
}
@media (max-width:1023px){
  :root{--space-section:64px;}
  .nav-links,.command-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-actions .icon-btn{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-col+.footer-col{border-left:0;padding-left:0;}
  .myth-list{grid-template-columns:1fr;}
  .myth-band{padding:36px 28px;}
  .cta-band{padding:40px 28px;}
  .anchor-card{position:static;margin-bottom:28px;}
}
@media (max-width:639px){
  :root{--space-section:48px;}
  .container{padding:0 16px;}
  .entry-card{padding:20px;}
  .page-head{padding:48px 0 56px;}
  .page-head .lead{font-size:15px;}
  .faq-trigger{padding:18px;font-size:16px;}
  .faq-panel .faq-body{padding:16px 18px 20px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-form{flex-direction:column;}
  .footer-form button{width:100%;}
  .cta-actions .btn{width:100%;}
  .logo__text strong{font-size:15px;}
  .badge-dark{padding:9px 14px;font-size:13px;}
  .badge-dark b{font-size:18px;}
}

/* roulang page: category3 */
:root{
  --lime:#C4F24C;
  --coral:#FF6B3D;
  --violet:#6C5CE7;
  --grad:linear-gradient(115deg,#C4F24C 0%,#2ED3A6 55%,#6C5CE7 100%);
  --bg:#F6F5F0;
  --ink:#16141B;
  --card:#FFFFFF;
  --text:#1B1920;
  --muted:#5B5766;
  --weak:#8C8797;
  --line:#E6E3DB;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --shadow:0 12px 32px rgba(22,20,27,.08);
  --shadow-hover:0 18px 44px rgba(22,20,27,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;border:0;background:none;cursor:pointer;color:inherit;}
input{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
h1,h2,h3,h4{font-weight:800;line-height:1.35;letter-spacing:.01em;color:var(--text);}
h1{font-size:clamp(30px,4.6vw,52px);}
h2{font-size:28px;}
h3{font-size:20px;}
h4{font-size:17px;}
:focus-visible{outline:3px solid rgba(108,92,231,.45);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (max-width:640px){.container{padding:0 16px;}}

.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section--alt{background:#FFFFFF;}
.section--dark{background:var(--ink);color:rgba(255,255,255,.75);}
@media (max-width:1023px){.section{padding:64px 0;}.section--tight{padding:48px 0;}}
@media (max-width:639px){.section{padding:48px 0;}.section--tight{padding:40px 0;}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(246,245,240,.86);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(22,20,27,.08);}
.header-inner{display:flex;align-items:center;gap:20px;height:72px;transition:height .25s var(--ease);}
.site-header.is-scrolled .header-inner{height:64px;}

.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo__mark{width:32px;height:32px;border-radius:10px;background:var(--ink);display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;}
.logo__mark svg{width:22px;height:22px;display:block;}
.logo__text{display:flex;flex-direction:column;line-height:1.1;}
.logo__text strong{font-size:16.5px;font-weight:800;letter-spacing:.02em;color:var(--text);}
.logo__text em{font-style:normal;font-size:11px;letter-spacing:.16em;color:var(--weak);margin-top:2px;}

.nav-links{display:flex;align-items:center;gap:2px;flex:1 1 auto;}
.nav-link{
  position:relative;
  padding:8px 13px;
  font-size:15px;
  color:var(--muted);
  border-radius:10px;
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;border-radius:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--text);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--text);font-weight:700;}
.nav-link.is-active::after{transform:scaleX(1);}

.header-tools{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.command-search{
  display:flex;align-items:center;gap:8px;
  width:240px;height:42px;padding:0 12px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  transition:border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.command-search:focus-within{border-color:var(--violet);box-shadow:0 0 0 3px rgba(108,92,231,.18);}
.command-search i{color:var(--weak);font-size:13px;}
.command-search input{flex:1 1 auto;min-width:0;border:0;outline:none;background:transparent;font-size:14px;color:var(--text);}
.command-search input::placeholder{color:var(--weak);}
.command-search kbd{
  font-family:inherit;font-size:11px;color:var(--weak);background:var(--bg);
  border:1px solid var(--line);border-radius:6px;padding:2px 6px;line-height:1.4;
}
.icon-btn{
  width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;color:var(--muted);
  transition:all .22s var(--ease);
}
.icon-btn:hover{color:var(--text);border-color:var(--text);transform:translateY(-2px);}
.menu-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--text);align-items:center;justify-content:center;}

.mobile-drawer{
  max-height:0;overflow:hidden;
  background:#fff;border-top:1px solid transparent;
  transition:max-height .3s var(--ease), border-color .3s var(--ease);
}
.mobile-drawer.is-open{max-height:520px;border-top-color:var(--line);}
.drawer-inner{padding:12px 20px 22px;}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 4px;font-size:16px;color:var(--muted);
  border-bottom:1px solid var(--line);
}
.drawer-link:last-of-type{border-bottom:0;}
.drawer-link.is-active{color:var(--text);font-weight:700;}
.drawer-link.is-active::after{content:"";width:8px;height:8px;border-radius:50%;background:var(--lime);}
.drawer-cta{width:100%;margin-top:16px;}

@media (max-width:1180px){
  .command-search{width:190px;}
}
@media (max-width:1023px){
  .nav-links{display:none;}
  .command-search{display:none;}
  .menu-toggle{display:inline-flex;}
  .header-tools .btn{display:none;}
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;height:48px;padding:0 22px;
  border-radius:var(--r-sm);border:1.5px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:all .22s var(--ease);
}
.btn-sm{height:40px;min-height:40px;padding:0 18px;font-size:14px;}
.btn-pill{border-radius:999px;}
.btn-primary{background:var(--ink);color:var(--lime);}
.btn-primary:hover{background:var(--grad);color:var(--ink);transform:translateY(-2px);}
.btn-secondary{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-secondary:hover{background:var(--ink);color:var(--lime);transform:translateY(-2px);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.4);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.7);transform:translateY(-2px);}
.btn:active{transform:translateY(0);}

.link-more{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14.5px;font-weight:600;color:var(--text);
  padding-bottom:3px;border-bottom:2px solid var(--lime);
  transition:color .2s var(--ease), gap .2s var(--ease);
}
.link-more:hover{color:var(--violet);gap:12px;}

/* ---------- Tags & badges ---------- */
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;background:rgba(255,107,61,.13);color:#BE4419;white-space:nowrap;
}
.tag--lime{background:rgba(196,242,76,.32);color:#4A6A00;}
.tag--violet{background:rgba(108,92,231,.13);color:#4B3FBF;}

.badge{
  display:inline-flex;align-items:center;gap:10px;
  height:42px;padding:0 18px;border-radius:999px;
  background:#fff;border:1px solid rgba(108,92,231,.4);
  font-size:13px;color:var(--muted);white-space:nowrap;
}
.badge__dot{width:8px;height:8px;border-radius:50%;background:var(--lime);flex:0 0 auto;}
.badge__dot--coral{background:var(--coral);}
.badge strong{font-size:20px;font-weight:700;color:var(--text);font-variant-numeric:tabular-nums;letter-spacing:.01em;}
.badge--dark{background:transparent;border-color:rgba(255,255,255,.18);color:rgba(255,255,255,.72);}
.badge--dark strong{color:#fff;}

/* ---------- Hero ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:56px 0 64px;}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:url(/assets/images/backpic/back-2.png) center/cover no-repeat;
  opacity:.55;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(115deg,rgba(196,242,76,.22) 0%,rgba(46,211,166,.16) 50%,rgba(108,92,231,.5) 100%),
    linear-gradient(180deg,rgba(22,20,27,.6) 0%,rgba(22,20,27,.9) 100%);
}
.page-hero .container{position:relative;z-index:2;}

.crumb{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.6);margin-bottom:26px;}
.crumb a{color:rgba(255,255,255,.72);transition:color .2s var(--ease);}
.crumb a:hover{color:var(--lime);}
.crumb span[aria-hidden]{opacity:.4;}
.crumb__now{color:rgba(255,255,255,.95);}

.page-hero h1{color:#fff;max-width:16em;margin-bottom:18px;}
.page-hero__sub{font-size:17px;color:rgba(255,255,255,.78);max-width:36em;margin-bottom:28px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- Section head ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px;}
.sec-title{position:relative;font-size:clamp(24px,2.6vw,30px);padding-left:16px;}
.sec-title::before{content:"";position:absolute;left:0;top:.28em;width:4px;height:22px;border-radius:2px;background:var(--lime);}
.sec-sub{color:var(--muted);font-size:15px;margin-top:10px;padding-left:16px;max-width:44em;}
.sec-head .link-more{margin-bottom:6px;}

/* ---------- Feature card ---------- */
.fea-card{
  background:var(--card);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow);transition:transform .22s var(--ease), box-shadow .22s var(--ease);
}
.fea-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.fea-card__media{position:relative;display:block;aspect-ratio:16/7;background:#EFEDE6;overflow:hidden;}
.fea-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.fea-card:hover .fea-card__media img{transform:scale(1.03);}
.fea-card__badge{
  position:absolute;left:20px;top:20px;height:30px;padding:0 14px;border-radius:999px;
  display:inline-flex;align-items:center;background:var(--lime);color:var(--ink);
  font-size:12.5px;font-weight:700;letter-spacing:.06em;
}
.fea-card__body{padding:28px;position:relative;}
.fea-card__body::before{content:"";position:absolute;left:0;top:0;height:4px;width:100%;background:var(--grad);}
.fea-card h3{font-size:clamp(20px,2.2vw,24px);margin:14px 0 12px;}
.fea-card p{color:var(--muted);font-size:15px;}
@media (max-width:640px){
  .fea-card__media{aspect-ratio:16/9;}
  .fea-card__body{padding:20px;}
}

.meta-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--weak);}
.meta-row .dot{width:3px;height:3px;border-radius:50%;background:var(--weak);opacity:.6;}

/* ---------- News card ---------- */
.news-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--card);border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--shadow);transition:transform .22s var(--ease), box-shadow .22s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.news-card__media{display:block;aspect-ratio:16/9;background:#EFEDE6;overflow:hidden;}
.news-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.news-card:hover .news-card__media img{transform:scale(1.03);}
.news-card__body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto;}
.news-card h3{font-size:18px;line-height:1.55;}
.news-card p{font-size:14px;color:var(--muted);}
.news-card .link-more{margin-top:auto;align-self:flex-start;font-size:14px;}

/* ---------- Brief list ---------- */
.brief-list{display:grid;gap:12px;}
.brief{
  display:flex;align-items:center;gap:16px;
  padding:18px 20px;background:#fff;border:1px solid var(--line);border-radius:14px;
  transition:border-color .2s var(--ease), transform .2s var(--ease), box-shadow .2s var(--ease);
}
.brief:hover{border-color:transparent;transform:translateY(-2px);box-shadow:var(--shadow);}
.brief__rank{
  flex:0 0 auto;width:34px;font-size:15px;font-weight:800;color:var(--violet);
  font-variant-numeric:tabular-nums;
}
.brief__main{flex:1 1 auto;min-width:0;}
.brief__main a{font-size:16px;font-weight:600;display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;transition:color .2s var(--ease);}
.brief:hover .brief__main a{color:var(--violet);}
.brief__meta{font-size:13px;color:var(--weak);margin-top:4px;display:flex;gap:8px;flex-wrap:wrap;}
.brief__arrow{
  flex:0 0 auto;width:36px;height:36px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--bg);color:var(--muted);transition:all .22s var(--ease);
}
.brief:hover .brief__arrow{background:var(--lime);color:var(--ink);}
@media (max-width:640px){
  .brief__main a{white-space:normal;}
  .brief{padding:16px;}
}

/* ---------- Info cards ---------- */
.info-card{
  height:100%;background:#fff;border-radius:var(--r-md);padding:28px;
  border:1px solid var(--line);position:relative;overflow:hidden;
  transition:transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
}
.info-card::before{content:"";position:absolute;left:0;top:0;width:100%;height:4px;background:var(--grad);opacity:0;transition:opacity .22s var(--ease);}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:transparent;}
.info-card:hover::before{opacity:1;}
.info-card__icon{
  width:48px;height:48px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(108,92,231,.12);color:var(--violet);font-size:19px;margin-bottom:18px;
}
.info-card h3{font-size:19px;margin-bottom:10px;}
.info-card p{font-size:14.5px;color:var(--muted);}
@media (max-width:639px){.info-card{padding:22px;}}

/* ---------- Scene ---------- */
.scene-media{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);position:relative;background:#EFEDE6;}
.scene-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.scene-media__chip{
  position:absolute;left:20px;bottom:20px;
  display:inline-flex;align-items:center;gap:8px;
  height:38px;padding:0 16px;border-radius:999px;
  background:rgba(22,20,27,.78);color:#fff;font-size:13px;
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.scene-list{margin-top:26px;display:grid;gap:2px;}
.scene-list li{
  display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line);
}
.scene-list li:last-child{border-bottom:0;}
.scene-list .num{
  flex:0 0 auto;width:36px;height:36px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;color:var(--ink);background:var(--lime);
  font-variant-numeric:tabular-nums;
}
.scene-list h4{font-size:16.5px;margin-bottom:4px;}
.scene-list p{font-size:14px;color:var(--muted);}

/* ---------- Steps ---------- */
.step-card{
  height:100%;background:#fff;border-radius:var(--r-md);padding:26px;
  box-shadow:var(--shadow);position:relative;overflow:hidden;
  transition:transform .22s var(--ease), box-shadow .22s var(--ease);
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.step-card__top{display:flex;align-items:center;gap:14px;margin-bottom:16px;}
.step-card__num{
  font-size:36px;font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1.4px var(--violet);
  font-variant-numeric:tabular-nums;
  flex:0 0 auto;
}
.step-card__rule{width:4px;height:22px;border-radius:2px;background:var(--lime);}
.step-card h3{font-size:18px;margin-bottom:10px;}
.step-card p{font-size:14.5px;color:var(--muted);}

/* ---------- Progress ---------- */
.progress-panel{
  margin-top:34px;background:#fff;border-radius:var(--r-lg);padding:28px;
  border:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between;
}
.progress-wrap{flex:1 1 320px;min-width:240px;}
.progress-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:12px;}
.progress-head span{font-size:13px;color:var(--weak);letter-spacing:.04em;}
.progress-head strong{font-size:22px;font-weight:800;color:var(--text);font-variant-numeric:tabular-nums;}
.progress{height:10px;border-radius:999px;background:var(--line);overflow:hidden;}
.progress > span{display:block;height:100%;border-radius:999px;background:var(--grad);}
.progress-panel .btn{flex:0 0 auto;}
@media (max-width:639px){
  .progress-panel{padding:22px;}
  .progress-panel .btn{width:100%;}
}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px;}
.faq-item{
  background:#fff;border-radius:var(--r-md);border:1px solid var(--line);
  overflow:hidden;transition:border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.faq-item:hover{box-shadow:var(--shadow);}
.faq-item.is-open{border-color:transparent;box-shadow:var(--shadow);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 24px;text-align:left;font-size:17px;font-weight:600;color:var(--text);
  min-height:44px;
}
.faq-icon{
  flex:0 0 auto;width:30px;height:30px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--lime);color:var(--ink);font-size:13px;
  transition:transform .22s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .2s var(--ease);
}
.faq-a__inner{
  padding:0 24px 24px;font-size:15px;color:var(--muted);
  border-top:1px solid var(--line);margin:0 24px 0;padding:18px 0 24px;
}
@media (max-width:639px){
  .faq-q{font-size:16px;padding:18px 18px;}
  .faq-a__inner{margin:0 18px;padding:16px 0 20px;}
}

/* ---------- CTA banner ---------- */
.cta-banner{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:72px 0;}
.cta-banner::before{
  content:"";position:absolute;inset:0;
  background:url(/assets/images/backpic/back-3.webp) center/cover no-repeat;opacity:.28;
}
.cta-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(196,242,76,.24) 0%,rgba(46,211,166,.12) 50%,rgba(108,92,231,.55) 100%);
}
.cta-banner .container{position:relative;z-index:2;}
.cta-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:30px;
  border-radius:var(--r-lg);
  border:1px solid rgba(255,255,255,.14);
  padding:36px;
  background:rgba(22,20,27,.35);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:10px;padding-left:16px;position:relative;}
.cta-inner h2::before{content:"";position:absolute;left:0;top:.3em;width:4px;height:22px;border-radius:2px;background:var(--lime);}
.cta-inner p{color:rgba(255,255,255,.75);font-size:15px;max-width:34em;padding-left:16px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
@media (max-width:639px){.cta-inner{padding:24px;}.cta-actions .btn{width:100%;}}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.4fr;gap:0;}
.footer-col{padding:0 28px;border-left:1px solid rgba(255,255,255,.1);}
.footer-col:first-child{border-left:0;padding-left:0;}
.footer-col:last-child{padding-right:0;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.footer-brand .logo__mark{background:rgba(255,255,255,.08);}
.footer-brand strong{display:block;color:#fff;font-size:16.5px;font-weight:800;letter-spacing:.02em;}
.footer-brand em{font-style:normal;font-size:11px;letter-spacing:.16em;color:rgba(255,255,255,.5);}
.footer-text{font-size:14px;color:rgba(255,255,255,.6);line-height:1.8;}
.footer-title{font-size:13px;letter-spacing:.1em;color:rgba(255,255,255,.45);margin-bottom:16px;}
.footer-links{display:grid;gap:10px;}
.footer-links a{font-size:14.5px;color:rgba(255,255,255,.72);transition:color .2s var(--ease), padding-left .2s var(--ease);}
.footer-links a:hover{color:var(--lime);padding-left:4px;}
.footer-form{display:flex;gap:10px;margin-top:16px;}
.footer-form input{
  flex:1 1 auto;min-width:0;height:46px;padding:0 14px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  color:#fff;font-size:14px;outline:none;transition:border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.footer-form input::placeholder{color:rgba(255,255,255,.4);}
.footer-form input:focus{border-color:var(--lime);box-shadow:0 0 0 3px rgba(196,242,76,.18);}
.footer-form button{
  height:46px;padding:0 18px;border-radius:var(--r-sm);
  background:var(--lime);color:var(--ink);font-size:14px;font-weight:700;
  transition:background .22s var(--ease), transform .22s var(--ease);
}
.footer-form button:hover{background:var(--grad);transform:translateY(-2px);}
.footer-bottom{
  margin-top:56px;padding:22px 0 30px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px 0;}
  .footer-col{padding:0 22px;}
  .footer-col:nth-child(3){border-left:0;padding-left:0;}
  .footer-col:nth-child(2){padding-right:0;}
}
@media (max-width:639px){
  .footer-grid{grid-template-columns:1fr;}
  .footer-col{padding:0;border-left:0;}
  .footer-bottom{margin-top:36px;flex-direction:column;gap:8px;}
  .footer-form{flex-direction:column;}
  .footer-form button{width:100%;}
}

/* ---------- Utility ---------- */
.grid-margin-y{margin-top:-1.5rem;}
.grid-margin-y > .cell{margin-top:1.5rem;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}