/* roulang page: index */
:root{
  --bg:#F7F7F5;
  --ink:#0B0C0E;
  --accent:#C8F751;
  --accent-l:#DFFC94;
  --accent-2:#FF4D1C;
  --txt:#16181C;
  --muted:#6E7278;
  --line:#E3E5E0;
  --w-txt:#F2F3F0;
  --w-muted:#9BA0A6;
  --card-bd:rgba(11,12,14,.08);
  --r-card:16px;
  --r-lg:20px;
  --r-pill:999px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --shadow-hover:0 18px 40px -24px rgba(11,12,14,.38);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--txt);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

.container{width:100%;max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:768px){.container{padding-left:40px;padding-right:40px}}

.section{padding:clamp(64px,9vw,128px) 0}
.section-tight{padding:clamp(48px,6vw,88px) 0}

/* ------- 顶部信息条 ------- */
.topbar{background:var(--ink);color:var(--w-txt);font-size:12.5px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:38px}
.topbar-domain{font-weight:500;letter-spacing:.04em;color:var(--w-muted)}
.topbar-tip{color:#D7DAD5}
.topbar-right{display:flex;align-items:center;gap:16px}
.topbar-text{color:var(--w-muted)}
.topbar-btn{
  display:inline-flex;align-items:center;height:26px;padding:0 14px;border-radius:var(--r-pill);
  border:1px solid rgba(200,247,81,.75);color:var(--accent);font-size:12px;font-weight:600;
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.topbar-btn:hover{background:var(--accent);color:var(--ink);border-color:var(--accent)}
@media (max-width:767px){
  .topbar-tip,.topbar-text{display:none}
}

/* ------- 主导航 ------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--bg);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:70px}
.logo{display:inline-flex;align-items:baseline;gap:2px;font-weight:900;letter-spacing:-.02em;font-size:20px;line-height:1}
.logo .lg-a{color:var(--ink)}
.logo .lg-b{color:var(--ink);font-weight:600;font-size:17px;position:relative}
.logo .lg-b::after{content:"";position:absolute;left:0;right:0;bottom:-5px;height:3px;background:var(--accent);border-radius:2px}
.nav-links{display:none;align-items:center;gap:34px}
.nav-link{
  position:relative;font-size:15px;font-weight:600;color:#3B3F45;padding:6px 0;
  transition:color .24s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--accent);
  transition:width .2s var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{width:100%}
.nav-link.is-active{color:var(--ink)}
.nav-link.is-active::after{width:100%}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-cta{display:none}
.nav-toggle{
  display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;padding:0 10px;background:transparent;border:1px solid var(--card-bd);
  border-radius:12px;cursor:pointer;
}
.nav-toggle span{display:block;height:2px;background:var(--ink);border-radius:2px;transition:transform .24s var(--ease),opacity .24s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media (min-width:1024px){
  .nav-links{display:flex}
  .nav-cta{display:inline-flex}
  .nav-toggle{display:none}
}

/* 移动端抽屉 */
.drawer{
  position:fixed;inset:0;z-index:80;background:var(--ink);color:var(--w-txt);
  display:flex;flex-direction:column;padding:28px 24px 32px;
  transform:translateY(-100%);opacity:0;pointer-events:none;
  transition:transform .36s var(--ease),opacity .3s var(--ease);
}
.drawer.is-open{transform:translateY(0);opacity:1;pointer-events:auto}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-logo{font-size:19px;font-weight:900;letter-spacing:-.02em}
.drawer-logo em{font-style:normal;font-weight:500;opacity:.72;font-size:16px}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.18);background:transparent;color:#fff;font-size:20px;line-height:1;cursor:pointer}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-top:44px}
.drawer-nav a{
  font-size:24px;font-weight:800;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.09);
  letter-spacing:-.01em;transition:color .24s var(--ease);
}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--accent)}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:16px}
.drawer-foot .drawer-note{font-size:13px;color:var(--w-muted)}

/* ------- 按钮 ------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;letter-spacing:.01em;cursor:pointer;
  border:1px solid transparent;
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.btn .arrow{display:inline-block;transition:transform .24s var(--ease)}
.btn-primary{background:var(--accent);color:var(--ink);border-color:var(--accent)}
.btn-primary:hover{background:var(--accent-2);border-color:var(--accent-2);color:#fff}
.btn-primary:hover .arrow{transform:translateX(4px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.09)}
.btn-ghost:hover .arrow{transform:translateX(4px)}
.btn-outline{background:transparent;color:var(--ink);border-color:rgba(11,12,14,.24)}
.btn-outline:hover{border-color:var(--ink);background:rgba(11,12,14,.06)}
.btn-outline:hover .arrow{transform:translateX(4px)}
.btn:focus-visible{outline:none;box-shadow:0 0 0 2px var(--bg),0 0 0 4px var(--accent)}
.btn:active{transform:translateY(1px)}
.btn-sm{min-height:42px;padding:0 20px;font-size:14px}

.textlink{
  display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;color:var(--ink);
  border-bottom:2px solid var(--accent);padding-bottom:3px;
  transition:gap .24s var(--ease)
}
.textlink:hover{gap:14px}

/* ------- Hero ------- */
.hero{position:relative;background:var(--ink);color:#fff;overflow:hidden}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.52}
.hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(11,12,14,.94) 0%,rgba(11,12,14,.78) 46%,rgba(11,12,14,.42) 100%);
}
.hero-inner{position:relative;z-index:2;display:flex;align-items:center;min-height:clamp(520px,74vh,780px);padding-top:clamp(56px,8vw,92px);padding-bottom:clamp(40px,5vw,64px)}
.hero-copy{max-width:760px}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:var(--r-pill);
  background:rgba(200,247,81,.13);border:1px solid rgba(200,247,81,.42);
  color:var(--accent);font-size:12.5px;font-weight:600;letter-spacing:.06em;
}
.hero-title{
  margin-top:26px;
  font-size:clamp(34px,6.5vw,72px);
  font-weight:900;line-height:1.06;letter-spacing:-.02em;
}
.hero-title mark{background:none;color:var(--accent)}
.hero-sub{margin-top:20px;font-size:clamp(16px,2vw,20px);color:#D5D8D3;max-width:600px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-rule{margin-top:44px;height:1px;width:120px;background:var(--accent)}
.hero-stats{position:relative;z-index:2;border-top:1px solid rgba(255,255,255,.12)}
.hero-stats-inner{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  padding:26px 0 30px;
}
.hero-stat{padding:8px 18px;border-left:1px solid rgba(255,255,255,.13)}
.hero-stat:first-child{border-left:none;padding-left:0}
.hero-stat-num{font-size:clamp(26px,3.4vw,40px);font-weight:900;line-height:1;color:var(--accent)}
.hero-stat-label{display:block;margin-top:8px;font-size:12.5px;color:var(--w-muted);letter-spacing:.04em}
@media (min-width:768px){
  .hero-stats-inner{grid-template-columns:repeat(4,minmax(0,1fr))}
  .hero-stat{padding:8px 28px}
  .hero-stat:first-child{padding-left:0}
}

/* ------- 板块标题 ------- */
.section-head{max-width:760px}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12.5px;font-weight:700;letter-spacing:.14em;color:var(--muted);text-transform:uppercase;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--accent);border-radius:2px}
.section-title{
  margin-top:16px;
  font-size:clamp(26px,3.6vw,42px);
  font-weight:900;line-height:1.15;letter-spacing:-.015em;color:var(--ink);
}
.section-desc{margin-top:16px;color:var(--muted);font-size:16px;max-width:660px}
.head-row{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px}

/* ------- 流程 ------- */
.flow{display:grid;grid-template-columns:1fr;gap:0;margin-top:52px}
.flow-item{position:relative;padding:30px 24px 0 0;border-top:1px dashed #CDD1CA}
.flow-item::before{
  content:"";position:absolute;top:-6px;left:0;width:11px;height:11px;border-radius:50%;
  background:var(--accent);border:2px solid var(--ink);
}
.flow-num{font-size:clamp(30px,4vw,46px);font-weight:900;line-height:1;color:var(--ink);letter-spacing:-.03em}
.flow-num em{font-style:normal;color:var(--accent-2)}
.flow-title{margin-top:14px;font-size:20px;font-weight:700;color:var(--ink)}
.flow-text{margin-top:8px;color:var(--muted);font-size:15px;max-width:260px}
@media (min-width:768px){
  .flow{grid-template-columns:repeat(4,minmax(0,1fr))}
  .flow-item{padding-right:30px}
}

/* ------- 卡片通用 ------- */
.card{
  position:relative;
  background:#fff;border:1px solid var(--card-bd);border-radius:var(--r-card);overflow:hidden;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:rgba(11,12,14,.14)}
.card-media{position:relative;overflow:hidden;background:var(--ink)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.card:hover .card-media img{transform:scale(1.04)}
.ratio-16x9{aspect-ratio:16/9}
.ratio-4x3{aspect-ratio:4/3}
.ratio-1x1{aspect-ratio:1/1}
.card-body{padding:24px 24px 26px}
.card-tag{
  display:inline-block;padding:5px 12px;border-radius:var(--r-pill);
  background:#EEF2E4;color:#3D4A1C;font-size:12px;font-weight:700;letter-spacing:.04em;
}
.card-tag.dark{background:rgba(200,247,81,.16);color:var(--accent)}
.card-title{margin-top:14px;font-size:21px;font-weight:700;line-height:1.35;color:var(--ink)}
.card-text{margin-top:10px;color:var(--muted);font-size:15px}
.card-arrow{
  position:absolute;top:20px;right:20px;width:34px;height:34px;border-radius:50%;
  display:grid;place-items:center;background:var(--ink);color:var(--accent);
  opacity:0;transform:translateX(-6px);transition:opacity .24s var(--ease),transform .24s var(--ease);
}
.card:hover .card-arrow{opacity:1;transform:translateX(0)}

/* ------- 项目区非对称网格 ------- */
.project-grid{display:grid;grid-template-columns:1fr;gap:28px;margin-top:56px}
.project-feature .card-body{padding:30px 30px 32px}
.project-feature .card-title{font-size:clamp(22px,2.4vw,28px)}
.project-side{display:grid;grid-template-columns:1fr;gap:28px}
@media (min-width:1024px){
  .project-grid{grid-template-columns:7fr 5fr}
  .project-side{grid-template-columns:1fr}
}

/* ------- 权益轨道 ------- */
.rail{
  display:flex;gap:20px;margin-top:52px;overflow-x:auto;padding-bottom:14px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
}
.rail::-webkit-scrollbar{height:6px}
.rail::-webkit-scrollbar-thumb{background:#D3D7D0;border-radius:3px}
.rail-item{flex:0 0 84%;scroll-snap-align:start}
@media (min-width:640px){.rail-item{flex:0 0 48%}}
@media (min-width:1024px){.rail-item{flex:0 0 32%}.rail{overflow:visible;padding-bottom:0}}
.ribbon{
  position:absolute;top:16px;left:16px;z-index:2;
  padding:5px 12px;border-radius:var(--r-pill);background:var(--accent-2);color:#fff;
  font-size:11.5px;font-weight:700;letter-spacing:.05em;
}

/* ------- 任务进度 ------- */
.progress-wrap{
  margin-top:52px;background:#fff;border:1px solid var(--card-bd);border-radius:var(--r-card);
  padding:clamp(24px,3.4vw,42px);
  display:grid;grid-template-columns:1fr;gap:36px;
}
.progress-note{font-size:14px;color:var(--muted)}
.progress-note strong{display:block;font-size:clamp(28px,3.4vw,40px);font-weight:900;color:var(--ink);letter-spacing:-.02em;line-height:1.1;margin-bottom:10px}
.progress-list{display:flex;flex-direction:column;gap:26px}
.progress-row + .progress-row{border-top:1px solid var(--line);padding-top:26px}
.progress-top{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:15px;font-weight:600;color:var(--ink)}
.progress-pct{font-size:15px;font-weight:800;color:var(--ink)}
.progress-track{
  position:relative;margin-top:14px;height:8px;border-radius:var(--r-pill);background:#E7E9E4;
}
.progress-fill{
  position:absolute;left:0;top:0;bottom:0;border-radius:var(--r-pill);
  background:linear-gradient(90deg,var(--accent) 0%,var(--accent-l) 100%);
}
.progress-dot{
  position:absolute;top:50%;width:14px;height:14px;border-radius:50%;
  transform:translate(-50%,-50%);background:var(--ink);border:2px solid var(--accent);
}
.progress-dot.pending{background:#fff;border-color:#C9CDC6}
@media (min-width:1024px){
  .progress-wrap{grid-template-columns:minmax(0,4fr) minmax(0,8fr);align-items:start;gap:52px}
}

/* ------- CTA 条带 ------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink);color:#fff;
  padding:clamp(52px,7vw,92px) 0;
}
.cta-band-inner{display:grid;grid-template-columns:1fr;gap:36px;align-items:center}
.cta-title{font-size:clamp(26px,3.4vw,42px);font-weight:900;line-height:1.14;letter-spacing:-.015em}
.cta-title mark{background:none;color:var(--accent)}
.cta-text{margin-top:16px;color:var(--w-muted);font-size:16px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.trust{display:flex;flex-wrap:wrap;gap:12px 26px;margin-top:26px;font-size:13px;color:var(--w-muted)}
.trust span{display:inline-flex;align-items:center;gap:8px}
.trust span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
@media (min-width:1024px){
  .cta-band-inner{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}
}

/* ------- 最新信息列表 ------- */
.news-list{margin-top:48px;border-top:1px solid var(--line)}
.news-item{
  display:grid;grid-template-columns:1fr;gap:14px;
  padding:26px 18px 26px 0;border-bottom:1px solid var(--line);
  transition:background .24s var(--ease),padding-left .24s var(--ease);
}
.news-item:hover{background:#FFFFFF;padding-left:14px}
.news-cat{
  display:inline-block;padding:4px 11px;border-radius:var(--r-pill);
  background:#EEF2E4;color:#3D4A1C;font-size:11.5px;font-weight:700;letter-spacing:.05em;
}
.news-title{margin-top:12px;font-size:19px;font-weight:700;line-height:1.45;color:var(--ink)}
.news-item:hover .news-title{font-weight:800}
.news-desc{
  margin-top:8px;color:var(--muted);font-size:15px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:16px;color:var(--muted);font-size:13px}
.news-arrow{font-size:18px;color:var(--ink);transition:transform .24s var(--ease)}
.news-item:hover .news-arrow{transform:translateX(4px)}
@media (min-width:768px){
  .news-item{grid-template-columns:minmax(0,1fr) 160px;align-items:center;gap:28px}
  .news-meta{flex-direction:column;align-items:flex-end;gap:14px}
}
.news-empty{
  margin-top:48px;border:1px dashed #C9CDC6;border-radius:var(--r-card);
  padding:56px 24px;text-align:center;
}
.news-empty p{color:var(--muted);font-size:15.5px}
.news-empty .btn{margin-top:22px}

/* ------- FAQ ------- */
.faq{margin-top:46px;max-width:820px}
.faq-item{border-top:1px solid var(--line)}
.faq-item:last-child{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:24px 4px;background:transparent;border:none;text-align:left;cursor:pointer;
  font-size:17px;font-weight:700;color:var(--ink);line-height:1.55;
  transition:color .24s var(--ease);
}
.faq-q:hover{color:#000}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;position:relative;margin-top:2px;
  transition:transform .24s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--ink);border-radius:2px;
  left:50%;top:50%;transform:translate(-50%,-50%);
}
.faq-icon::before{width:15px;height:2px}
.faq-icon::after{width:2px;height:15px}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a p{padding:0 44px 26px 4px;color:var(--muted);font-size:15px;line-height:1.9}
.faq-q:focus-visible{outline:2px solid var(--accent);outline-offset:4px;border-radius:6px}

/* ------- 页脚 ------- */
.site-footer{background:var(--ink);color:var(--w-txt);border-top:1px solid var(--accent);padding-top:clamp(52px,6vw,80px)}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.footer-grid{grid-template-columns:minmax(0,4fr) minmax(0,2fr) minmax(0,2fr) minmax(0,3fr)}}
.footer-brand{font-size:22px;font-weight:900;letter-spacing:-.02em;color:#fff}
.footer-brand em{font-style:normal;font-weight:500;font-size:18px;color:var(--accent)}
.footer-desc{margin-top:16px;font-size:14px;color:var(--w-muted);max-width:300px}
.footer-h{font-size:12px;letter-spacing:.12em;font-weight:700;color:var(--w-muted);text-transform:uppercase}
.footer-list{margin-top:18px;display:flex;flex-direction:column;gap:12px}
.footer-list a{font-size:14.5px;color:#D9DCD7;position:relative;display:inline-block;transition:color .24s var(--ease)}
.footer-list a::after{content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;background:var(--accent);transition:width .24s var(--ease)}
.footer-list a:hover{color:#fff}
.footer-list a:hover::after{width:100%}
.footer-contact{font-size:14.5px;color:#D9DCD7}
.footer-contact div + div{margin-top:12px}
.footer-bottom{
  margin-top:clamp(44px,5vw,64px);border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 30px;display:flex;flex-wrap:wrap;gap:10px 24px;
  align-items:center;justify-content:space-between;font-size:12px;color:var(--w-muted);
}
.footer-bottom a{color:var(--w-muted);transition:color .24s var(--ease)}
.footer-bottom a:hover{color:#fff}

/* ------- 入场动效 ------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --bg:#F7F7F5;
  --ink:#0B0C0E;
  --accent:#C8F751;
  --accent-soft:#E6FBA8;
  --accent-2:#FF4D1C;
  --text:#16181C;
  --muted:#6E7278;
  --line:#E3E5E0;
  --surface:#FFFFFF;
  --dark-text:#F2F3F0;
  --dark-muted:#9BA0A6;
  --r-card:16px;
  --r-media:20px;
  --r-pill:999px;
  --r-btn:12px;
  --shadow-hover:0 18px 40px -24px rgba(11,12,14,.38);
  --ease:cubic-bezier(.2,.7,.2,1);
  --sec:clamp(64px,9vw,128px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
html body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
html body img{max-width:100%;display:block}
html body a{color:inherit}
html body button{font-family:inherit}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media(min-width:1024px){.container{padding:0 40px}}
.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}

/* 顶部信息条 */
.topbar{background:var(--ink);color:var(--dark-text);font-size:12.5px}
.topbar-inner{max-width:1240px;margin:0 auto;padding:0 20px;min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:16px}
@media(min-width:1024px){.topbar-inner{padding:0 40px}}
.topbar-left{font-weight:600;letter-spacing:.06em;color:var(--dark-muted)}
.topbar-mid{color:var(--dark-muted)}
.topbar-right{display:flex;align-items:center;gap:14px}
.topbar-link{color:var(--dark-text);text-decoration:none;border-bottom:1px solid transparent;transition:color .2s var(--ease),border-color .2s var(--ease)}
.topbar-link:hover{color:var(--accent);border-color:var(--accent)}
.topbar-pill{border:1px solid rgba(200,247,81,.55);color:var(--accent);border-radius:999px;padding:3px 13px;text-decoration:none;font-size:12px;font-weight:600;transition:all .22s var(--ease)}
.topbar-pill:hover{background:var(--accent);color:var(--ink);border-color:var(--accent)}
@media(max-width:767px){
  .topbar-mid{display:none}
  .topbar-right .topbar-link{display:none}
}

/* 导航 */
.site-header{position:sticky;top:0;z-index:60;background:var(--bg);border-bottom:1px solid var(--line)}
.nav-inner{max-width:1240px;margin:0 auto;padding:0 20px;min-height:70px;display:flex;align-items:center;gap:28px}
@media(min-width:1024px){.nav-inner{padding:0 40px}}
.logo{display:flex;align-items:baseline;gap:1px;text-decoration:none;font-size:20px;letter-spacing:-.02em;line-height:1}
.logo .logo-a{font-weight:900;color:var(--ink)}
.logo .logo-b{font-weight:600;color:#454A51}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{position:relative;padding:9px 14px;font-size:15px;font-weight:500;color:#464A50;text-decoration:none;border-radius:8px;transition:color .2s var(--ease)}
.nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left center;transition:transform .2s var(--ease)}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink);font-weight:700}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-cta{margin-left:12px}
.nav-toggle{display:none;margin-left:auto;width:46px;height:46px;align-items:center;justify-content:center;background:transparent;border:1px solid rgba(11,12,14,.18);border-radius:12px;cursor:pointer;color:var(--ink)}
.nav-toggle:hover{border-color:var(--ink)}
@media(max-width:900px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
}
.drawer{position:fixed;inset:0;z-index:90;background:var(--ink);color:var(--dark-text);display:flex;flex-direction:column;padding:22px 20px 30px;transform:translateY(-101%);visibility:hidden;transition:transform .34s var(--ease),visibility .34s var(--ease)}
.drawer.is-open{transform:translateY(0);visibility:visible}
.drawer-top{display:flex;align-items:center;justify-content:space-between;gap:16px}
.drawer-close{width:46px;height:46px;display:inline-flex;align-items:center;justify-content:center;background:transparent;border:1px solid rgba(242,243,240,.28);border-radius:12px;color:var(--dark-text);cursor:pointer}
.drawer-close:hover{border-color:var(--accent);color:var(--accent)}
.drawer-nav{margin-top:44px;display:flex;flex-direction:column;gap:6px}
.drawer-nav a{font-size:24px;font-weight:800;letter-spacing:-.01em;text-decoration:none;padding:14px 0;border-bottom:1px solid rgba(242,243,240,.12);color:var(--dark-text)}
.drawer-nav a:hover{color:var(--accent)}
.drawer-foot{margin-top:auto;padding-top:24px}
.drawer-note{font-size:13px;color:var(--dark-muted);margin-bottom:16px}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;padding:0 24px;border-radius:var(--r-pill);font-size:15px;font-weight:700;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:background-color .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease)}
.btn svg{transition:transform .24s var(--ease)}
.btn-primary{background:var(--accent);color:var(--ink)}
.btn-primary:hover{background:var(--accent-2);color:#fff}
.btn-primary:hover svg{transform:translateX(4px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:rgba(11,12,14,.32)}
.btn-ghost:hover{border-color:var(--ink);background:rgba(11,12,14,.06)}
.btn-ghost:hover svg{transform:translateX(4px)}
.btn-onink{background:transparent;color:var(--dark-text);border-color:rgba(242,243,240,.34)}
.btn-onink:hover{border-color:var(--accent);color:var(--accent)}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn:active{transform:translateY(1px)}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}

/* 面包屑与栏目标签 */
.page-top{padding-top:clamp(26px,4vw,44px)}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.breadcrumb a{color:var(--muted);text-decoration:none;transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--ink);text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:4px}
.breadcrumb .sep{color:#B7BBB6}
.breadcrumb .cur{color:var(--ink);font-weight:700}

/* 文章头 */
.article-head{margin-top:20px;padding-bottom:clamp(26px,4vw,42px);border-bottom:1px solid var(--line)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.1em;color:#3F444A;background:rgba(200,247,81,.4);border-radius:999px;padding:6px 15px}
.article-h1{margin:18px 0 0;font-size:clamp(30px,4.6vw,54px);font-weight:900;line-height:1.12;letter-spacing:-.02em;color:var(--ink)}
.article-lead{margin-top:16px;max-width:820px;font-size:17px;color:var(--muted);line-height:1.8}
.article-meta{margin-top:22px;display:flex;flex-wrap:wrap;gap:10px 26px;font-size:14px;color:var(--muted)}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta b{color:var(--ink);font-weight:600}
.cover{margin-top:30px;border-radius:var(--r-media);overflow:hidden;border:1px solid rgba(11,12,14,.06);aspect-ratio:16/9;background:var(--ink)}
.cover img{width:100%;height:100%;object-fit:cover;transition:transform .55s var(--ease)}
.cover:hover img{transform:scale(1.04)}

/* 正文区 + 侧栏 */
.article-grid{margin-top:clamp(38px,5vw,58px);display:grid;grid-template-columns:1fr;gap:42px}
@media(min-width:1024px){
  .article-grid{grid-template-columns:minmax(0,1fr) 320px;gap:56px}
}
.article-body{max-width:820px;font-size:17px;line-height:1.9;color:var(--text)}
.article-body p{margin:0 0 1.4em}
.article-body h2{font-size:clamp(22px,2.4vw,28px);font-weight:900;line-height:1.35;margin:2.2em 0 .8em;padding-left:14px;border-left:3px solid var(--accent);color:var(--ink)}
.article-body h3{font-size:20px;font-weight:700;line-height:1.4;margin:1.8em 0 .6em;color:var(--ink)}
.article-body h4{font-size:17px;font-weight:700;margin:1.5em 0 .5em;color:var(--ink)}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:1.35em}
.article-body li{margin:.45em 0}
.article-body img{border-radius:var(--r-card);margin:1.7em 0;width:100%;height:auto;border:1px solid rgba(11,12,14,.06)}
.article-body blockquote{margin:1.7em 0;background:#EFEFEC;border-left:4px solid var(--accent);border-radius:0 12px 12px 0;padding:18px 22px;color:#3B3F45;font-style:normal}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body table{width:100%;border-collapse:collapse;margin:1.7em 0;font-size:15.5px}
.article-body th,.article-body td{border-bottom:1px solid var(--line);padding:11px 8px;text-align:left}
.article-body th{font-weight:700;color:var(--ink)}
.article-body a{color:var(--ink);text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:4px}
.article-body a:hover{text-decoration-color:var(--accent-2)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}
.article-body figcaption{font-size:13px;color:var(--muted);margin-top:-.9em}
.article-empty{max-width:820px;border:1px dashed #C9CCC7;border-radius:var(--r-card);padding:clamp(28px,4vw,44px);background:#FCFCFA}
.article-empty h2{margin:0 0 12px;font-size:24px;font-weight:900;color:var(--ink)}
.article-empty p{margin:0 0 22px;color:var(--muted)}

/* 内嵌 CTA */
.inline-cta{margin:46px 0;background:var(--ink);color:var(--dark-text);border-radius:var(--r-media);padding:clamp(24px,3vw,36px);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;border:1px solid rgba(242,243,240,.1)}
.inline-cta .ic-tag{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--accent);margin-bottom:10px}
.inline-cta h3{margin:0 0 8px;font-size:clamp(19px,2.2vw,23px);font-weight:900;color:var(--dark-text);line-height:1.35}
.inline-cta p{margin:0;font-size:14.5px;color:var(--dark-muted);max-width:460px}

/* 侧栏 */
.aside{display:flex;flex-direction:column;gap:20px}
@media(min-width:1024px){.aside{position:sticky;top:96px;align-self:start}}
.aside-card{background:var(--surface);border:1px solid rgba(11,12,14,.08);border-radius:var(--r-card);padding:22px;transition:transform .24s var(--ease),box-shadow .24s var(--ease)}
.aside-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.aside-h{font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--muted);margin-bottom:14px}
.aside-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}
.aside-list li+li{border-top:1px solid var(--line)}
.aside-list a{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px 0;font-size:15px;color:var(--text);text-decoration:none;transition:color .2s var(--ease)}
.aside-list a svg{flex:none;transition:transform .24s var(--ease);color:var(--muted)}
.aside-list a:hover{color:var(--ink);font-weight:700}
.aside-list a:hover svg{transform:translateX(4px);color:var(--accent-2)}
.aside-note{font-size:14px;color:var(--muted);line-height:1.8;margin:0}
.aside-dark{background:var(--ink);border-color:rgba(242,243,240,.12)}
.aside-dark .aside-h{color:var(--accent)}
.aside-dark .aside-note{color:var(--dark-muted)}

/* 相关推荐 */
.related{margin-top:clamp(54px,7vw,88px);padding-top:clamp(38px,5vw,58px);border-top:1px solid var(--line)}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px}
.sec-h{font-size:clamp(22px,2.6vw,32px);font-weight:900;letter-spacing:-.01em;color:var(--ink);margin:0}
.sec-sub{margin:8px 0 0;color:var(--muted);font-size:15px}
.related-grid{margin-top:28px;display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:768px){.related-grid{grid-template-columns:repeat(3,1fr)}}
.rcard{display:flex;flex-direction:column;background:var(--surface);border:1px solid rgba(11,12,14,.08);border-radius:var(--r-card);overflow:hidden;text-decoration:none;transition:transform .24s var(--ease),box-shadow .24s var(--ease)}
.rcard:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.rcard-media{aspect-ratio:16/9;overflow:hidden;background:var(--ink)}
.rcard-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.rcard:hover .rcard-media img{transform:scale(1.04)}
.rcard-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rcard-tag{align-self:flex-start;font-size:11.5px;font-weight:700;letter-spacing:.08em;color:#3F444A;background:rgba(200,247,81,.4);border-radius:999px;padding:4px 12px}
.rcard h3{margin:0;font-size:17px;font-weight:700;line-height:1.5;color:var(--ink)}
.rcard-foot{margin-top:auto;padding-top:12px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted)}
.rcard-foot svg{color:var(--muted);transition:transform .24s var(--ease)}
.rcard:hover .rcard-foot svg{transform:translateX(4px);color:var(--accent-2)}

/* 返回入口 */
.back-bar{margin-top:clamp(40px,5vw,60px);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;padding:24px 26px;border:1px solid var(--line);border-radius:var(--r-card);background:var(--surface)}
.back-bar strong{display:block;font-size:17px;font-weight:800;color:var(--ink);margin-bottom:4px}
.back-bar span{font-size:14px;color:var(--muted)}
.back-actions{display:flex;flex-wrap:wrap;gap:12px}

/* 页脚 */
.site-footer{margin-top:var(--sec);background:var(--ink);color:var(--dark-text);border-top:1px solid var(--accent)}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px;padding:clamp(46px,6vw,76px) 0 clamp(30px,4vw,44px)}
@media(min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px}}
.footer-brand{display:flex;align-items:baseline;gap:1px;font-size:20px;letter-spacing:-.02em}
.footer-brand .fb-a{font-weight:900;color:var(--dark-text)}
.footer-brand em{font-style:normal;font-weight:600;color:var(--accent)}
.footer-desc{margin:14px 0 0;font-size:14px;color:var(--dark-muted);max-width:280px;line-height:1.8}
.footer-h{font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--dark-muted);margin-bottom:16px}
.footer-list{display:flex;flex-direction:column;gap:11px}
.footer-list a{font-size:14.5px;color:var(--dark-text);text-decoration:none;border-bottom:1px solid transparent;align-self:flex-start;transition:color .2s var(--ease),border-color .2s var(--ease)}
.footer-list a:hover{color:var(--accent);border-color:var(--accent)}
.footer-contact{display:flex;flex-direction:column;gap:11px;font-size:14px;color:var(--dark-muted)}
.footer-bottom{border-top:1px solid rgba(242,243,240,.12);padding:20px 0 30px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;font-size:12px;color:var(--dark-muted)}
.footer-bottom a{color:var(--dark-muted);text-decoration:none}
.footer-bottom a:hover{color:var(--accent)}

/* 入场动效 */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  .cover:hover img,.rcard:hover .rcard-media img{transform:none}
}

/* roulang page: category1 */
:root{
  --bg:#F7F7F5;
  --ink:#0B0C0E;
  --accent:#C8F751;
  --accent-2:#FF4D1C;
  --text:#16181C;
  --muted:#6E7278;
  --line:#E3E5E0;
  --ink-text:#F2F3F0;
  --ink-muted:#9BA0A6;
  --r-card:16px;
  --r-lg:20px;
  --r-pill:999px;
  --container:1240px;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:17px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
figure{margin:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 40px}}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--ink);color:var(--ink-text);font-size:12.5px}
.topbar-inner{display:flex;align-items:center;gap:22px;height:38px;white-space:nowrap}
.topbar-domain{color:var(--ink-muted);font-weight:500;letter-spacing:.05em}
.topbar-note{color:rgba(242,243,240,.82);flex:1;overflow:hidden;text-overflow:ellipsis}
.topbar-link{color:var(--accent);font-weight:600;transition:opacity .2s var(--ease)}
.topbar-link:hover{opacity:.75}
.topbar-btn{
  border:1px solid rgba(200,247,81,.75);color:var(--accent);
  border-radius:var(--r-pill);padding:3px 13px;font-size:12px;line-height:1.7;
  transition:background .22s var(--ease),color .22s var(--ease);
}
.topbar-btn:hover{background:var(--accent);color:var(--ink)}
@media (max-width:767px){
  .topbar-note{display:none}
  .topbar-inner{gap:14px;justify-content:space-between}
}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--bg);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:70px}
.brand{
  display:inline-flex;align-items:baseline;gap:2px;
  font-size:20px;font-weight:900;letter-spacing:-.02em;color:var(--ink);
}
.brand em{font-style:normal;font-weight:600;color:var(--muted);letter-spacing:-.01em}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-link{
  position:relative;padding:10px 14px;font-size:15px;font-weight:600;
  color:var(--muted);transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink)}
.nav-right{display:flex;align-items:center;gap:12px}
.menu-btn{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);align-items:center;justify-content:center;
  flex-direction:column;gap:5px;transition:border-color .2s var(--ease),background .2s var(--ease);
}
.menu-btn:hover{border-color:var(--ink);background:rgba(11,12,14,.04)}
.menu-btn span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px}
@media (max-width:1023px){
  .nav-links,.nav-right{display:none}
  .menu-btn{display:inline-flex}
}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:90;background:var(--ink);color:var(--ink-text);
  padding:22px 20px 28px;display:flex;flex-direction:column;gap:26px;
  transform:translateX(100%);visibility:hidden;
  transition:transform .34s var(--ease),visibility .34s var(--ease);
}
.drawer.is-open{transform:translateX(0);visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer .brand-light{color:#fff}
.drawer .brand-light em{color:var(--accent)}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.18);
  display:inline-flex;align-items:center;justify-content:center;transition:border-color .2s var(--ease);
}
.drawer-close:hover{border-color:var(--accent)}
.drawer-links{display:flex;flex-direction:column;gap:6px;flex:1}
.drawer-links a{
  font-size:24px;font-weight:800;letter-spacing:-.01em;color:rgba(242,243,240,.72);
  padding:14px 0;border-bottom:1px solid rgba(255,255,255,.08);
  transition:color .2s var(--ease);
}
.drawer-links a:hover,.drawer-links a.is-active{color:var(--accent)}
.drawer-cta{width:100%;justify-content:center}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);font-size:15px;font-weight:700;
  padding:12px 26px;min-height:46px;border:1px solid transparent;
  transition:background .24s var(--ease),color .24s var(--ease),
             border-color .24s var(--ease),transform .18s var(--ease);
}
.btn-ico{transition:transform .24s var(--ease)}
.btn-primary{background:var(--accent);color:var(--ink)}
.btn-primary:hover{background:var(--accent-2);color:#fff}
.btn-primary:hover .btn-ico{transform:translateX(4px)}
.btn-ghost{border-color:rgba(11,12,14,.24);color:var(--ink);background:transparent}
.btn-ghost:hover{border-color:var(--ink);background:rgba(11,12,14,.06)}
.btn-ghost:hover .btn-ico{transform:translateX(4px)}
.btn-dark{border-color:rgba(255,255,255,.3);color:#fff}
.btn-dark:hover{border-color:#fff;background:rgba(255,255,255,.09)}
.btn-dark:hover .btn-ico{transform:translateX(4px)}
.btn:active{transform:translateY(1px)}
.btn-sm{padding:8px 20px;font-size:14px;min-height:40px}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}

/* ---------- 标签 / 徽章 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  border-radius:var(--r-pill);background:rgba(200,247,81,.42);color:var(--ink);
  font-size:12.5px;font-weight:700;letter-spacing:.06em;padding:5px 13px;
}
.tag-outline{background:transparent;border:1px solid rgba(11,12,14,.16);color:var(--muted);letter-spacing:.08em}
.tag-dark{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.82)}

/* ---------- 分类页首屏 ---------- */
.page-hero{
  position:relative;background:var(--ink);overflow:hidden;
  height:clamp(320px,38vw,420px);display:flex;align-items:flex-end;
}
.page-hero-img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:.5;transform:scale(1.02);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,12,14,.42) 0%,rgba(11,12,14,.86) 68%,rgba(11,12,14,.96) 100%);
}
.page-hero-inner{position:relative;z-index:2;padding-bottom:clamp(28px,4vw,48px);width:100%}
.page-hero h1{
  color:#fff;font-size:clamp(34px,5.6vw,62px);font-weight:900;
  line-height:1.05;letter-spacing:-.02em;margin-top:14px;
}
.page-hero-sub{
  color:rgba(242,243,240,.78);font-size:clamp(15px,1.6vw,17.5px);
  margin-top:14px;max-width:640px;
}
.hero-rule{width:76px;height:1px;background:var(--accent);margin-top:22px}

/* ---------- 面包屑与导语 ---------- */
.crumb-row{padding:22px 0 0}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);flex-wrap:wrap}
.breadcrumb a{transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--ink);text-decoration:underline;text-underline-offset:4px;text-decoration-color:var(--accent)}
.breadcrumb .sep{color:#B9BDB7}
.breadcrumb .current{color:var(--ink);font-weight:700}
.lead{
  max-width:820px;margin-top:22px;color:#2A2D32;font-size:17px;line-height:1.9;
}

/* ---------- 板块 ---------- */
.section{padding:clamp(56px,7vw,96px) 0}
.section-tight{padding:clamp(40px,5vw,64px) 0}
.section-head{max-width:760px;margin-bottom:clamp(32px,4vw,56px)}
.section-head h2{
  font-size:clamp(26px,3.4vw,42px);font-weight:900;line-height:1.15;
  letter-spacing:-.02em;color:var(--ink);
}
.section-head p{color:var(--muted);font-size:16px;margin-top:14px}
.sec-no{
  display:inline-block;font-size:13px;font-weight:800;letter-spacing:.16em;
  color:var(--muted);margin-bottom:12px;
}

/* ---------- 图文交错条目 ---------- */
.stagger-list{display:grid;gap:clamp(48px,6vw,84px)}
.entry-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;background:var(--ink);
  border:1px solid rgba(11,12,14,.06);aspect-ratio:4/3;
}
.entry-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .55s var(--ease);
}
.stagger-item:hover .entry-media img{transform:scale(1.04)}
.entry-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(11,12,14,.34) 0%,rgba(11,12,14,0) 55%);
}
.entry-no{
  position:absolute;left:18px;top:16px;z-index:3;
  font-size:13px;font-weight:800;letter-spacing:.14em;color:var(--accent);
}
.entry-body h3{
  font-size:clamp(21px,2.4vw,26px);font-weight:800;line-height:1.35;
  color:var(--ink);margin-top:14px;letter-spacing:-.01em;
}
.entry-body > p{color:var(--muted);font-size:16px;margin-top:14px}
.feature-list{display:grid;gap:10px;margin-top:20px}
.feature-list li{
  position:relative;padding-left:22px;font-size:15.5px;color:#3A3E44;line-height:1.75;
}
.feature-list li::before{
  content:"";position:absolute;left:0;top:.72em;width:10px;height:2px;background:var(--accent);
}
.entry-link{
  display:inline-flex;align-items:center;gap:8px;margin-top:22px;
  font-size:15px;font-weight:700;color:var(--ink);
  border-bottom:1px solid rgba(11,12,14,.2);padding-bottom:3px;
  transition:border-color .24s var(--ease),color .24s var(--ease);
}
.entry-link:hover{border-color:var(--accent);color:#000}
.entry-link:hover .btn-ico{transform:translateX(4px)}

/* ---------- 数据条 ---------- */
.data-strip{
  background:#fff;border:1px solid rgba(11,12,14,.08);border-radius:var(--r-lg);
  padding:clamp(26px,3.4vw,40px) clamp(20px,3vw,40px);
  display:grid;gap:24px;grid-template-columns:repeat(3,1fr);
}
.data-item{position:relative;padding-left:20px}
.data-item::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:2px;background:var(--accent);
}
.data-num{
  font-size:clamp(26px,3.4vw,40px);font-weight:900;line-height:1.05;
  color:var(--ink);letter-spacing:-.02em;
}
.data-label{font-size:13px;color:var(--muted);margin-top:8px;letter-spacing:.04em}
.data-note{font-size:14.5px;color:var(--muted);margin-top:22px;max-width:760px}
@media (max-width:767px){
  .data-strip{grid-template-columns:1fr;gap:20px}
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{border-top:1px solid var(--line)}
.faq-item:last-child{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 0;font-size:17px;font-weight:700;color:var(--ink);text-align:left;
  transition:color .2s var(--ease);
}
.faq-q:hover{color:#000}
.faq-icon{
  flex:none;width:22px;height:22px;position:relative;
  transition:transform .24s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--ink);border-radius:2px;
  left:50%;top:50%;
}
.faq-icon::before{width:14px;height:2px;transform:translate(-50%,-50%)}
.faq-icon::after{width:2px;height:14px;transform:translate(-50%,-50%)}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s var(--ease)}
.faq-a p{font-size:15px;line-height:1.9;color:var(--muted);padding:0 40px 24px 0}

/* ---------- CTA 条带 ---------- */
.cta-band{
  position:relative;background:var(--ink);color:var(--ink-text);
  padding:clamp(56px,7vw,96px) 0;overflow:hidden;
}
.cta-band-bg{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:.16;
}
.cta-inner{position:relative;z-index:2}
.cta-band h2{
  font-size:clamp(28px,4vw,48px);font-weight:900;line-height:1.15;
  letter-spacing:-.02em;color:#fff;max-width:760px;
}
.cta-band p{color:rgba(242,243,240,.74);font-size:16.5px;margin-top:16px;max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.trust-row{display:flex;flex-wrap:wrap;gap:14px 28px;margin-top:34px}
.trust-row li{
  position:relative;padding-left:18px;font-size:14px;color:rgba(242,243,240,.8);
}
.trust-row li::before{
  content:"";position:absolute;left:0;top:.72em;width:8px;height:2px;background:var(--accent);
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);color:var(--ink-text);
  border-top:1px solid var(--accent);
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding:clamp(48px,6vw,72px) 0 36px;
}
.footer-brand{font-size:22px;font-weight:900;letter-spacing:-.02em;color:#fff}
.footer-brand em{font-style:normal;font-weight:600;color:var(--accent)}
.footer-desc{color:var(--ink-muted);font-size:14.5px;margin-top:12px;max-width:300px;line-height:1.8}
.footer-h{
  font-size:12px;font-weight:700;letter-spacing:.12em;
  color:var(--ink-muted);margin-bottom:16px;
}
.footer-list a{
  display:block;color:#E9EAE6;font-size:14.5px;padding:6px 0;
  transition:color .2s var(--ease);
}
.footer-list a:hover{
  color:var(--accent);
  text-decoration:underline;text-underline-offset:4px;text-decoration-color:var(--accent);
}
.footer-contact{display:grid;gap:9px;color:var(--ink-muted);font-size:14.5px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0 34px;display:flex;flex-wrap:wrap;gap:10px;
  align-items:center;justify-content:space-between;
  font-size:12px;color:var(--ink-muted);
}
.footer-bottom a{color:var(--ink-muted);transition:color .2s var(--ease)}
.footer-bottom a:hover{color:var(--accent)}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:520px){
  .footer-grid{grid-template-columns:1fr;gap:28px}
}

/* ---------- 入场动画 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  .entry-media img,.btn,.btn-ico{transition:none}
}

/* roulang page: category2 */
:root{
  --bg:#F7F7F5;
  --ink:#0B0C0E;
  --accent:#C8F751;
  --accent-2:#FF4D1C;
  --text:#16181C;
  --muted:#6E7278;
  --line:#E3E5E0;
  --dark-text:#F2F3F0;
  --dark-muted:#9BA0A6;
  --r-card:16px;
  --r-lg:20px;
  --r-pill:999px;
  --r-sm:12px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --container:1240px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
h1,h2,h3,h4{margin:0;font-weight:900;letter-spacing:-.02em;line-height:1.15;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
figure{margin:0;}
::selection{background:var(--accent);color:var(--ink);}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:1024px){
  .container{padding:0 40px;}
}

/* ---------- 顶部信息条 ---------- */
.topbar{
  background:var(--ink);
  color:#c9ccd1;
  font-size:12.5px;
  line-height:1.5;
}
.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:38px;
  padding-top:6px;
  padding-bottom:6px;
}
.topbar-domain{
  font-weight:500;
  letter-spacing:.04em;
  color:#c9ccd1;
  white-space:nowrap;
}
.topbar-mid{
  flex:1;
  text-align:center;
  color:#8f949b;
  letter-spacing:.02em;
  overflow:hidden;
  white-space:nowrap;
  text-overflow:ellipsis;
}
.topbar-right{
  display:flex;
  align-items:center;
  gap:12px;
  white-space:nowrap;
}
.topbar-link{
  color:#d6d9dd;
  font-weight:500;
  transition:color .2s var(--ease);
}
.topbar-link:hover{color:var(--accent);}
.topbar-pill{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 12px;
  border:1px solid rgba(200,247,81,.55);
  border-radius:var(--r-pill);
  color:var(--accent);
  font-size:12px;
  font-weight:700;
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.topbar-pill:hover{background:var(--accent);color:var(--ink);}
@media (max-width:820px){
  .topbar-mid{display:none;}
}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--bg);
  border-bottom:1px solid var(--line);
}
.navbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:68px;
}
.brand{
  display:inline-flex;
  align-items:baseline;
  font-size:20px;
  font-weight:900;
  letter-spacing:-.03em;
  color:var(--ink);
  white-space:nowrap;
}
.brand em{
  font-style:normal;
  font-weight:400;
  margin-left:3px;
  color:#3a3d42;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 14px;
  font-size:15px;
  font-weight:500;
  color:#4a4e54;
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:1px;
  height:2px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .2s var(--ease);
}
.nav-link:hover,.nav-link:focus-visible{color:var(--ink);}
.nav-link:hover::after,.nav-link:focus-visible::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--ink);font-weight:700;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:12px;}
.burger{
  display:none;
  width:44px;
  height:44px;
  align-items:center;
  justify-content:center;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  color:var(--ink);
  transition:border-color .2s var(--ease),background-color .2s var(--ease);
}
.burger:hover{border-color:var(--ink);background:rgba(11,12,14,.04);}
@media (max-width:920px){
  .nav-links{display:none;}
  .nav-cta{display:none;}
  .burger{display:inline-flex;}
}

/* ---------- 抽屉 ---------- */
.drawer{
  position:fixed;
  inset:0;
  z-index:120;
  background:var(--ink);
  color:var(--dark-text);
  display:flex;
  flex-direction:column;
  transform:translateX(100%);
  transition:transform .32s var(--ease);
  visibility:hidden;
}
.drawer.open{transform:translateX(0);visibility:visible;}
.drawer-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:18px 20px;
  border-bottom:1px solid rgba(255,255,255,.10);
}
.drawer-brand{font-size:18px;font-weight:900;color:#fff;letter-spacing:-.03em;}
.drawer-brand em{font-style:normal;font-weight:400;color:var(--accent);margin-left:2px;}
.drawer-close{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.20);
  border-radius:var(--r-sm);
  color:#fff;
}
.drawer-nav{
  flex:1;
  display:flex;
  flex-direction:column;
  padding:28px 20px;
  gap:4px;
}
.drawer-nav a{
  font-size:24px;
  font-weight:900;
  letter-spacing:-.02em;
  padding:14px 0;
  color:#e8eae6;
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:color .2s var(--ease);
}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--accent);}
.drawer-foot{padding:20px;border-top:1px solid rgba(255,255,255,.10);}
.drawer-foot .btn{width:100%;justify-content:center;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  min-height:48px;
  padding:0 26px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:700;
  letter-spacing:.01em;
  white-space:nowrap;
  transition:background-color .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.btn svg{transition:transform .24s var(--ease);}
.btn:hover svg{transform:translateX(4px);}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--accent);color:var(--ink);}
.btn-primary:hover{background:var(--accent-2);color:#fff;}
.btn-ghost{border:1px solid rgba(11,12,14,.20);color:var(--ink);background:transparent;}
.btn-ghost:hover{border-color:var(--ink);background:rgba(11,12,14,.06);}
.btn-on-dark{border:1px solid rgba(255,255,255,.28);color:#F2F3F0;background:transparent;}
.btn-on-dark:hover{border-color:#fff;background:rgba(255,255,255,.10);}
.btn-sm{min-height:38px;padding:0 18px;font-size:13.5px;}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;
  overflow:hidden;
  background:var(--ink);
  display:flex;
  align-items:center;
  min-height:clamp(360px,44vh,440px);
}
.cat-hero-bg{
  position:absolute;
  inset:0;
  background-size:cover;
  background-position:center;
  opacity:.62;
}
.cat-hero-veil{
  position:absolute;
  inset:0;
  background:linear-gradient(100deg,rgba(11,12,14,.96) 0%,rgba(11,12,14,.80) 48%,rgba(11,12,14,.44) 100%);
}
.cat-hero-inner{
  position:relative;
  z-index:2;
  padding-top:clamp(44px,6vw,64px);
  padding-bottom:clamp(44px,6vw,64px);
  width:100%;
}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:6px 15px;
  border:1px solid rgba(200,247,81,.42);
  border-radius:var(--r-pill);
  color:var(--accent);
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.14em;
}
.cat-hero h1{
  margin-top:22px;
  color:#fff;
  font-size:clamp(30px,4.6vw,54px);
  line-height:1.08;
  letter-spacing:-.025em;
  max-width:900px;
}
.cat-hero h1 em{
  font-style:normal;
  font-weight:400;
  color:var(--accent);
}
.hero-sub{
  margin-top:18px;
  max-width:640px;
  color:#c3c7cd;
  font-size:clamp(15.5px,1.6vw,17.5px);
  line-height:1.8;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:32px;
}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:0;
  margin-top:38px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.14);
}
.hero-stat{
  padding-right:34px;
  margin-right:34px;
  border-right:1px solid rgba(255,255,255,.14);
}
.hero-stat:last-child{border-right:0;margin-right:0;padding-right:0;}
.hero-stat b{
  display:block;
  font-size:26px;
  font-weight:900;
  color:#fff;
  line-height:1.2;
  font-variant-numeric:tabular-nums;
}
.hero-stat span{
  display:block;
  margin-top:4px;
  font-size:12px;
  letter-spacing:.10em;
  color:var(--dark-muted);
}
@media (max-width:520px){
  .hero-stat{padding-right:20px;margin-right:20px;}
  .hero-stat b{font-size:21px;}
  .hero-actions .btn{width:100%;}
}

/* ---------- 通用板块 ---------- */
.section{padding:clamp(56px,7vw,104px) 0;}
.section-sm{padding:clamp(34px,4.2vw,60px) 0;}
.sec-head{max-width:760px;margin-bottom:clamp(30px,4vw,52px);}
.sec-kicker{
  display:inline-block;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.18em;
  color:var(--muted);
  margin-bottom:14px;
}
.sec-head h2{
  font-size:clamp(26px,3.4vw,40px);
  color:var(--ink);
}
.sec-head p{
  margin-top:16px;
  color:var(--muted);
  font-size:16.5px;
  line-height:1.85;
  max-width:660px;
}

/* ---------- 面包屑 + 导语 ---------- */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
  margin-bottom:20px;
}
.breadcrumb a{transition:color .2s var(--ease);}
.breadcrumb a:hover{color:var(--ink);text-decoration:underline;text-underline-offset:3px;}
.breadcrumb .sep{color:#C7CAC4;}
.breadcrumb .cur{color:var(--ink);font-weight:700;}
.lede{
  max-width:840px;
  font-size:clamp(16.5px,1.8vw,18px);
  line-height:1.9;
  color:#33363b;
}
.lede strong{color:var(--ink);font-weight:700;}

/* ---------- 流程时间轴 ---------- */
.steps{
  position:relative;
  max-width:900px;
}
.steps::before{
  content:"";
  position:absolute;
  left:23px;
  top:26px;
  bottom:26px;
  width:1px;
  background:var(--line);
}
.step{
  position:relative;
  padding-left:82px;
  padding-bottom:44px;
}
.step:last-child{padding-bottom:0;}
.step-no{
  position:absolute;
  left:0;
  top:2px;
  width:48px;
  height:48px;
  border-radius:var(--r-pill);
  background:var(--accent);
  color:var(--ink);
  font-size:15px;
  font-weight:900;
  display:grid;
  place-items:center;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
}
.step-body h3{
  font-size:20px;
  font-weight:700;
  color:var(--ink);
  letter-spacing:-.01em;
}
.step-body p{
  margin-top:10px;
  max-width:660px;
  color:var(--muted);
  font-size:16px;
  line-height:1.85;
}
.step-meta{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:14px;
  padding:4px 13px;
  border:1px dashed var(--line);
  border-radius:var(--r-pill);
  font-size:12.5px;
  color:#8b8f95;
  letter-spacing:.04em;
}
.step-meta i{
  width:6px;height:6px;border-radius:999px;background:var(--accent-2);
  display:inline-block;
}
.steps-foot{
  margin-top:36px;
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:15px;
  font-weight:700;
  color:var(--ink);
  border-bottom:1px solid var(--ink);
  padding-bottom:3px;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.steps-foot svg{transition:transform .24s var(--ease);}
.steps-foot:hover{color:var(--accent-2);border-color:var(--accent-2);}
.steps-foot:hover svg{transform:translateX(4px);}
@media (max-width:520px){
  .step{padding-left:62px;padding-bottom:36px;}
  .step-no{width:40px;height:40px;font-size:13.5px;}
  .steps::before{left:19px;}
  .step-body h3{font-size:18px;}
}

/* ---------- 深色权益区 ---------- */
.dark-band{
  background:var(--ink);
  color:var(--dark-text);
  padding:clamp(56px,7vw,104px) 0;
}
.dark-band .sec-kicker{color:var(--accent);}
.dark-band .sec-head h2{color:#fff;}
.dark-band .sec-head p{color:var(--dark-muted);}
.perk-grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:24px;
  align-items:start;
}
.perk-main{
  display:flex;
  flex-direction:column;
  border:1px solid rgba(255,255,255,.10);
  border-radius:var(--r-lg);
  overflow:hidden;
  background:rgba(255,255,255,.03);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.perk-main figure{
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--ink);
}
.perk-main img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s var(--ease);
}
.perk-main-body{padding:26px 28px 30px;}
.perk-main-body h3{
  font-size:22px;
  color:#fff;
}
.perk-main-body p{
  margin-top:12px;
  color:var(--dark-muted);
  font-size:15.5px;
  line-height:1.85;
  max-width:560px;
}
.perk-tag{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:var(--accent);
  color:var(--ink);
  font-size:12px;
  font-weight:700;
  letter-spacing:.06em;
}
.perk-side{display:grid;gap:16px;}
.perk-mini{
  border:1px solid rgba(255,255,255,.10);
  border-radius:var(--r-card);
  background:rgba(255,255,255,.03);
  padding:22px 24px;
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.perk-mini h3{
  font-size:17px;
  color:#fff;
  display:flex;
  align-items:center;
  gap:10px;
}
.perk-mini h3 span{
  width:8px;height:8px;border-radius:999px;background:var(--accent);
  display:inline-block;flex:0 0 auto;
}
.perk-mini p{
  margin-top:10px;
  color:var(--dark-muted);
  font-size:14.5px;
  line-height:1.8;
}
.perk-main:hover,.perk-mini:hover{
  transform:translateY(-6px);
  border-color:rgba(255,255,255,.24);
  box-shadow:0 18px 40px -24px rgba(0,0,0,.85);
}
.perk-main:hover img{transform:scale(1.04);}
@media (max-width:1024px){
  .perk-grid{grid-template-columns:1fr;}
}

/* ---------- 任务进度 ---------- */
.progress-panel{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:clamp(24px,3.2vw,42px);
}
.progress-row + .progress-row{margin-top:32px;}
.progress-head{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:16px;
  margin-bottom:14px;
}
.progress-head .name{
  font-size:15.5px;
  font-weight:700;
  color:var(--ink);
}
.progress-head .note{
  display:block;
  margin-top:2px;
  font-size:13px;
  font-weight:400;
  color:var(--muted);
}
.progress-val{
  font-size:19px;
  font-weight:900;
  color:var(--ink);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.01em;
}
.progress-track{
  position:relative;
  height:8px;
  background:#E7E9E4;
  border-radius:var(--r-pill);
}
.progress-fill{
  position:absolute;
  left:0;
  top:0;
  height:100%;
  width:0;
  border-radius:var(--r-pill);
  background:linear-gradient(90deg,var(--accent),#E4FF9B);
  transition:width 1s var(--ease);
}
.progress-dot{
  position:absolute;
  top:50%;
  width:14px;
  height:14px;
  border-radius:999px;
  transform:translate(-50%,-50%);
  background:#E7E9E4;
  border:2px solid #fff;
  box-shadow:0 0 0 1px var(--line);
}
.progress-dot.done{
  background:var(--ink);
  border-color:var(--accent);
  box-shadow:0 0 0 1px var(--ink);
}
.progress-foot{
  margin-top:34px;
  padding-top:24px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:18px;
}
.progress-foot p{
  color:var(--muted);
  font-size:14.5px;
  max-width:560px;
}

/* ---------- FAQ ---------- */
.faq{
  max-width:820px;
  margin:0 auto;
}
.faq-item{border-top:1px solid var(--line);}
.faq-item:last-child{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:22px 0;
  text-align:left;
  font-size:17px;
  font-weight:700;
  color:var(--ink);
  line-height:1.6;
}
.faq-q:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.faq-icon{
  flex:0 0 auto;
  width:26px;
  height:26px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--muted);
  transition:transform .24s var(--ease),color .24s var(--ease);
}
.faq-item.open .faq-icon{transform:rotate(45deg);color:var(--ink);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .32s var(--ease);
}
.faq-a p{
  padding:0 0 24px;
  max-width:700px;
  color:var(--muted);
  font-size:15px;
  line-height:1.9;
}

/* ---------- CTA 条带 ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  background:var(--ink);
  border-radius:var(--r-lg);
  padding:clamp(34px,4.6vw,68px);
  color:#fff;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-60px;
  top:-60px;
  width:280px;
  height:280px;
  border-radius:999px;
  background:radial-gradient(circle,rgba(200,247,81,.22) 0%,rgba(200,247,81,0) 68%);
  pointer-events:none;
}
.cta-band h2{
  color:#fff;
  font-size:clamp(26px,3.4vw,40px);
  max-width:640px;
  position:relative;
  z-index:2;
}
.cta-band > p{
  margin-top:18px;
  max-width:620px;
  color:var(--dark-muted);
  font-size:16.5px;
  line-height:1.85;
  position:relative;
  z-index:2;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:32px;
  position:relative;
  z-index:2;
}
.cta-trust{
  display:flex;
  flex-wrap:wrap;
  gap:10px 28px;
  margin-top:34px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  position:relative;
  z-index:2;
}
.cta-trust li{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:13.5px;
  color:#c3c7cd;
  letter-spacing:.04em;
}
.cta-trust li i{
  width:7px;height:7px;border-radius:999px;background:var(--accent);
  display:inline-block;
}
@media (max-width:520px){
  .cta-actions .btn{width:100%;}
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  border-top:1px solid var(--accent);
  color:var(--dark-muted);
  padding:clamp(46px,5.4vw,76px) 0 0;
  margin-top:clamp(56px,7vw,104px);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1.3fr;
  gap:32px;
}
.footer-brand{
  font-size:20px;
  font-weight:900;
  color:#fff;
  letter-spacing:-.03em;
}
.footer-brand em{
  font-style:normal;
  font-weight:400;
  color:var(--accent);
  margin-left:2px;
}
.footer-desc{
  margin-top:14px;
  max-width:290px;
  font-size:14px;
  line-height:1.85;
  color:var(--dark-muted);
}
.footer-h{
  font-size:12px;
  letter-spacing:.12em;
  color:#7c8188;
  margin-bottom:18px;
  font-weight:600;
}
.footer-list{display:grid;gap:11px;font-size:14px;}
.footer-list a{
  color:#c3c7cd;
  transition:color .2s var(--ease),text-decoration-color .2s var(--ease);
  text-decoration:underline;
  text-decoration-color:transparent;
  text-underline-offset:4px;
}
.footer-list a:hover{
  color:#fff;
  text-decoration-color:var(--accent);
}
.footer-contact{display:grid;gap:11px;font-size:14px;color:#c3c7cd;line-height:1.75;}
.footer-bottom{
  margin-top:clamp(36px,4.4vw,52px);
  border-top:1px solid rgba(255,255,255,.10);
  padding:20px 0;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:12px;
  color:#7c8188;
}
.footer-bottom a{color:#9BA0A6;transition:color .2s var(--ease);}
.footer-bottom a:hover{color:var(--accent);}
@media (max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:560px){
  .footer-grid{grid-template-columns:1fr;}
}

/* ---------- 入场动效 ---------- */
.reveal{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .6s var(--ease),transform .6s var(--ease);
}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  .progress-fill{transition:none;}
  html{scroll-behavior:auto;}
}