/* roulang page: index */
:root{
  --c-bg-0:#060B14;
  --c-bg-1:#0A1322;
  --c-bg-2:#0E1A2C;
  --c-surface:rgba(255,255,255,.05);
  --c-surface-2:rgba(255,255,255,.08);
  --c-line:rgba(120,220,255,.14);
  --c-line-strong:rgba(120,220,255,.28);
  --t-1:#EAF4F8;
  --t-2:#A9BCC9;
  --t-3:#6E8494;
  --brand:#23E3C0;
  --brand-deep:#0E9C88;
  --accent:#FF6A3D;
  --amber:#FFC44D;
  --ok:#35D07F;
  --info:#4AA8FF;
  --grad-main:linear-gradient(120deg,#0E9C88,#23E3C0);
  --glow:0 0 0 1px rgba(35,227,192,.45),0 10px 30px rgba(35,227,192,.26);
  --sh-1:0 4px 14px rgba(2,8,18,.35);
  --sh-2:0 12px 34px rgba(2,8,18,.5);
  --sh-3:0 24px 60px rgba(2,8,18,.62);
  --r-card:18px;
  --r-img:16px;
  --r-btn:12px;
  --r-pill:999px;
  --r-badge:6px;
  --gap:8px;
  --container:1200px;
  --pad-x:32px;
  --sec-y:88px;
  --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(--c-bg-0);
  color:var(--t-1);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:linear-gradient(rgba(120,220,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(120,220,255,.045) 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.55;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px;}
::selection{background:rgba(35,227,192,.3);color:#fff;}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:#070D18;}
::-webkit-scrollbar-thumb{background:rgba(35,227,192,.28);border-radius:8px;}
::-webkit-scrollbar-thumb:hover{background:rgba(35,227,192,.45);}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* Foundation 覆盖 */
body,button,input,select,textarea{font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;}
a:hover{color:var(--brand);}
.button,.button:hover{background:none;}
.row{max-width:none;margin:0;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 var(--pad-x);
  position:relative;
  z-index:2;
}
.section{padding:var(--sec-y) 0;position:relative;z-index:2;}
.section-alt{background:linear-gradient(180deg,rgba(10,19,34,0),rgba(14,26,44,.85) 40%,rgba(6,11,20,0));}
.sec-head{margin-bottom:44px;max-width:760px;}
.sec-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.16em;color:var(--brand);
  text-transform:uppercase;margin-bottom:14px;font-weight:500;
}
.sec-tag i{width:18px;height:1px;background:var(--brand);display:inline-block;opacity:.7;}
.sec-title{font-size:clamp(22px,3vw,32px);line-height:1.25;font-weight:700;letter-spacing:.01em;}
.sec-title .cn-no{
  color:var(--brand);font-size:.62em;margin-right:10px;font-weight:500;
  border:1px solid var(--c-line-strong);border-radius:6px;padding:2px 8px;vertical-align:middle;
}
.sec-desc{margin-top:14px;color:var(--t-2);font-size:15.5px;line-height:1.8;}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:background .28s var(--ease),border-color .28s var(--ease),backdrop-filter .28s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(6,11,20,.72);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom-color:var(--c-line);
}
.nav-wrap{
  max-width:1320px;margin:0 auto;
  padding:0 var(--pad-x);
  height:76px;
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:18px;
}
.nav-side{display:flex;align-items:center;gap:6px;}
.nav-side.right{justify-content:flex-end;}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  height:44px;padding:0 14px;
  font-size:14.5px;color:var(--t-2);font-weight:500;
  border-radius:var(--r-btn);
  transition:color .2s var(--ease);
}
.nav-link:hover{color:var(--t-1);}
.nav-link.is-active{color:var(--t-1);}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;
  background:var(--grad-main);border-radius:2px;
  box-shadow:0 0 0 1px rgba(35,227,192,.45),0 6px 16px rgba(35,227,192,.26);
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  padding:6px 10px;border-radius:var(--r-btn);
  white-space:nowrap;
}
.brand-mark{
  width:32px;height:32px;border-radius:10px;
  background:var(--grad-main);
  display:grid;place-items:center;
  color:#04140F;font-size:15px;
  box-shadow:0 6px 18px rgba(35,227,192,.3);
  flex:none;
}
.brand-text{font-size:16px;font-weight:700;letter-spacing:.02em;color:var(--t-1);}
.brand-sub{display:block;font-size:11px;color:var(--t-3);letter-spacing:.14em;font-weight:400;line-height:1;margin-top:2px;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;
  font-size:14.5px;font-weight:500;
  border-radius:var(--r-btn);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad-main);color:#03130F;border-radius:var(--r-pill);
  box-shadow:var(--glow);
}
.btn-primary:hover{filter:brightness(1.08);color:#03130F;box-shadow:0 0 0 1px rgba(35,227,192,.6),0 14px 34px rgba(35,227,192,.34);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  background:rgba(255,255,255,.02);
  border:1px solid var(--c-line-strong);
  color:var(--t-1);
}
.btn-ghost:hover{background:rgba(35,227,192,.1);border-color:rgba(35,227,192,.5);color:var(--t-1);}
.btn-sm{min-height:38px;padding:0 18px;font-size:13.5px;}
.btn-lg{min-height:52px;padding:0 30px;font-size:15.5px;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-size:14px;font-weight:500;position:relative;
}
.btn-text::after{
  content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;background:var(--brand);
  transition:width .24s var(--ease);
}
.btn-text:hover::after{width:100%;}

.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--c-line);color:var(--t-1);
  align-items:center;justify-content:center;font-size:16px;
}
.drawer{
  display:none;
  position:fixed;inset:76px 0 0 0;z-index:99;
  background:rgba(6,11,20,.97);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  padding:26px var(--pad-x) 40px;
  overflow-y:auto;
}
.drawer.is-open{display:block;}
.drawer-group{margin-bottom:26px;}
.drawer-label{font-size:12px;letter-spacing:.16em;color:var(--t-3);margin-bottom:10px;}
.drawer a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:50px;padding:0 16px;margin-bottom:8px;
  border:1px solid var(--c-line);border-radius:14px;
  background:var(--c-surface);color:var(--t-1);font-size:15px;
}
.drawer a.is-active{border-color:rgba(35,227,192,.5);color:var(--brand);}
.drawer .btn{width:100%;margin-top:8px;}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:150px 0 96px;
  overflow:hidden;
  background:#04080F;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  z-index:0;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,11,20,.62) 0%,rgba(6,11,20,.58) 45%,rgba(6,11,20,.96) 100%);
}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,6.2fr) minmax(0,5.8fr);
  gap:56px;align-items:center;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  padding:7px 14px;border-radius:var(--r-pill);
  background:rgba(35,227,192,.1);
  border:1px solid rgba(35,227,192,.3);
  color:var(--brand);font-size:12.5px;font-weight:500;letter-spacing:.06em;
  margin-bottom:22px;
}
.hero-eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px var(--brand);}
.hero h1{
  font-size:clamp(28px,4.2vw,46px);
  line-height:1.25;font-weight:700;letter-spacing:.01em;
}
.hero h1 span{color:var(--brand);}
.hero-sub{
  margin-top:20px;font-size:16.5px;color:var(--t-2);line-height:1.8;max-width:520px;
}
.hero-sub strong{color:var(--amber);font-weight:500;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:44px;
}
.stat{
  padding:16px 14px;border-radius:14px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
}
.stat b{display:block;font-size:22px;font-weight:700;color:var(--t-1);line-height:1.2;}
.stat b em{font-size:12px;font-style:normal;color:var(--t-3);margin-left:2px;}
.stat span{display:block;font-size:13px;color:var(--t-3);margin-top:6px;}
.hero-panel{
  border-radius:22px;padding:26px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:var(--sh-2);
}
.hero-panel h2{font-size:16px;font-weight:700;margin-bottom:6px;}
.hero-panel p{font-size:13.5px;color:var(--t-3);margin-bottom:20px;}
.panel-list li{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 0;border-top:1px solid rgba(120,220,255,.1);
}
.panel-list li:first-child{border-top:0;padding-top:0;}
.panel-list .pl-name{font-size:14.5px;color:var(--t-1);display:flex;align-items:center;gap:10px;}
.panel-list .pl-name i{font-size:13px;color:var(--brand);}
.panel-list .pl-val{font-size:13px;color:var(--t-3);}
.hero-panel-img{
  margin-top:20px;border-radius:var(--r-img);overflow:hidden;
  aspect-ratio:16/9;border:1px solid var(--c-line);
}
.hero-panel-img img{width:100%;height:100%;object-fit:cover;}

/* ============ 通用块 ============ */
.split{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  margin-bottom:56px;
}
.split.rev .split-media{order:2;}
.split-body h2{font-size:clamp(20px,2.4vw,26px);line-height:1.35;font-weight:700;}
.split-body p{margin-top:16px;color:var(--t-2);font-size:15.5px;}
.feature-list{margin-top:24px;display:grid;gap:12px;}
.feature-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:14.5px;color:var(--t-2);
}
.feature-list li i{
  flex:none;width:22px;height:22px;border-radius:7px;margin-top:4px;
  display:grid;place-items:center;font-size:11px;
  background:rgba(35,227,192,.12);color:var(--brand);
  border:1px solid rgba(35,227,192,.24);
}
.split-media{
  border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--c-line);
  aspect-ratio:16/11;
  box-shadow:var(--sh-2);
  position:relative;
}
.split-media img{width:100%;height:100%;object-fit:cover;}
.split-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,11,20,0) 40%,rgba(6,11,20,.55));
}
.steps{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  padding:28px 24px;border-radius:var(--r-card);
  background:var(--c-surface);border:1px solid var(--c-line);
  position:relative;
}
.steps::before{
  content:"";position:absolute;left:8%;right:8%;top:52px;height:1px;
  background:linear-gradient(90deg,rgba(35,227,192,.4),rgba(120,220,255,.12));
}
.step{position:relative;z-index:1;text-align:left;}
.step-no{
  display:inline-grid;place-items:center;width:40px;height:40px;border-radius:12px;
  background:#0B1626;border:1px solid var(--c-line-strong);
  color:var(--brand);font-size:14px;font-weight:700;margin-bottom:14px;
}
.step h3{font-size:15.5px;font-weight:700;margin-bottom:6px;}
.step p{font-size:13.5px;color:var(--t-3);line-height:1.7;}

/* ============ 奖励轨道 ============ */
.reward-track{
  display:flex;gap:20px;overflow-x:auto;padding:6px 4px 22px;
  scroll-snap-type:x mandatory;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.reward-track::-webkit-scrollbar{height:0;display:none;}
.reward-card{
  position:relative;flex:0 0 calc((100% - 60px)/4);
  scroll-snap-align:start;
  border-radius:var(--r-card);
  background:var(--c-surface);
  border:1px solid var(--c-line);
  overflow:hidden;
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.reward-card:hover{
  transform:translateY(-4px);
  border-color:rgba(35,227,192,.5);
  box-shadow:var(--sh-2);
}
.reward-card:hover .reward-cover img{transform:scale(1.04);}
.reward-cover{aspect-ratio:16/10;overflow:hidden;position:relative;}
.reward-cover img{width:100%;height:100%;object-fit:cover;transition:transform .22s var(--ease);}
.reward-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,11,20,0) 45%,rgba(6,11,20,.75));
}
.reward-corner{
  position:absolute;top:12px;right:12px;z-index:2;
  padding:4px 10px;border-radius:var(--r-badge);
  font-size:12px;font-weight:700;color:#1B0B03;
  background:linear-gradient(120deg,#FF6A3D,#FFC44D);
  box-shadow:0 0 0 1px rgba(255,106,61,.5),0 8px 22px rgba(255,106,61,.32);
}
.reward-body{padding:18px 18px 20px;}
.reward-body h3{font-size:16px;font-weight:700;line-height:1.45;}
.reward-body p{margin-top:8px;font-size:13.5px;color:var(--t-3);line-height:1.7;}
.reward-meta{display:flex;align-items:center;gap:8px;margin-top:14px;}

/* 徽章 */
.badge{
  display:inline-flex;align-items:center;gap:5px;
  height:24px;padding:0 9px;border-radius:var(--r-badge);
  font-size:12px;font-weight:500;line-height:1;white-space:nowrap;
}
.badge-cyan{background:rgba(35,227,192,.14);color:var(--brand);border:1px solid rgba(35,227,192,.28);}
.badge-dim{background:rgba(255,255,255,.06);color:var(--t-2);border:1px solid var(--c-line);}
.badge-coral{background:rgba(255,106,61,.14);color:#FF8A63;border:1px solid rgba(255,106,61,.3);}

/* ============ 进度 ============ */
.progress-wrap{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:44px;align-items:center;
  padding:36px;border-radius:var(--r-card);
  background:linear-gradient(160deg,rgba(14,26,44,.9),rgba(10,19,34,.7));
  border:1px solid var(--c-line);
  position:relative;overflow:hidden;
}
.progress-wrap::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(120,220,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(120,220,255,.06) 1px,transparent 1px);
  background-size:40px 40px;
}
.progress-item{margin-bottom:26px;position:relative;z-index:1;}
.progress-item:last-child{margin-bottom:0;}
.progress-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:10px;}
.progress-name{font-size:14.5px;color:var(--t-1);font-weight:500;}
.progress-val{font-size:14px;color:var(--brand);font-weight:700;}
.progress-track{
  height:10px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.06);
  border:1px solid rgba(120,220,255,.12);
  overflow:hidden;
}
.progress-fill{
  height:100%;border-radius:var(--r-pill);
  background:linear-gradient(90deg,#23E3C0,#FFC44D);
  box-shadow:0 0 0 1px rgba(35,227,192,.35),0 6px 18px rgba(35,227,192,.24);
}
.progress-note{font-size:12.5px;color:var(--t-3);margin-top:8px;}
.ring-box{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;position:relative;z-index:1;
}
.ring{
  width:170px;height:170px;border-radius:50%;
  background:conic-gradient(#23E3C0 0turn .74turn,rgba(255,255,255,.08) .74turn 1turn);
  display:grid;place-items:center;
  position:relative;
  box-shadow:0 0 0 1px rgba(35,227,192,.28),0 20px 44px rgba(2,8,18,.5);
}
.ring::after{
  content:"";position:absolute;inset:16px;border-radius:50%;
  background:#0A1322;border:1px solid rgba(120,220,255,.12);
}
.ring-inner{position:relative;z-index:2;text-align:center;}
.ring-inner b{display:block;font-size:30px;font-weight:700;line-height:1.1;color:var(--t-1);}
.ring-inner span{font-size:12.5px;color:var(--t-3);}
.ring-box p{font-size:13px;color:var(--t-3);text-align:center;max-width:220px;}

/* ============ 最新信息 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.news-card{
  display:flex;flex-direction:column;
  padding:24px;border-radius:var(--r-card);
  background:var(--c-surface);
  border:1px solid var(--c-line);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
  position:relative;overflow:hidden;
}
.news-card::before{
  content:"";position:absolute;left:0;top:24px;bottom:24px;width:3px;
  background:var(--grad-main);border-radius:0 3px 3px 0;opacity:0;
  transition:opacity .22s var(--ease);
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(35,227,192,.45);box-shadow:var(--sh-2);}
.news-card:hover::before{opacity:1;}
.news-card-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;}
.news-date{font-size:12.5px;color:var(--t-3);}
.news-title{font-size:16.5px;font-weight:700;line-height:1.5;}
.news-title a{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-excerpt{
  margin-top:10px;font-size:13.5px;color:var(--t-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-more{margin-top:18px;font-size:13.5px;}
.empty-state{
  grid-column:1/-1;
  padding:64px 24px;text-align:center;
  border:1px dashed var(--c-line-strong);border-radius:var(--r-card);
  background:rgba(255,255,255,.02);
}
.empty-state i{font-size:30px;color:var(--brand);opacity:.75;display:block;margin-bottom:16px;}
.empty-state p{color:var(--t-2);font-size:14.5px;margin-bottom:18px;}

/* ============ FAQ ============ */
.faq-list{max-width:900px;margin:0 auto;}
.faq-item{
  border:1px solid var(--c-line);border-radius:14px;
  background:rgba(255,255,255,.03);
  margin-bottom:12px;overflow:hidden;
  transition:border-color .22s var(--ease),background .22s var(--ease);
}
.faq-item[open]{border-color:rgba(35,227,192,.42);background:rgba(35,227,192,.045);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;gap:14px;
  padding:20px 22px;font-size:15.5px;font-weight:500;color:var(--t-1);
  position:relative;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";width:3px;height:16px;border-radius:2px;
  background:var(--brand);flex:none;
  box-shadow:0 0 10px rgba(35,227,192,.5);
}
.faq-item summary::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  margin-left:auto;font-size:12px;color:var(--t-3);
  transition:transform .24s var(--ease),color .24s var(--ease);
}
.faq-item[open] summary::after{transform:rotate(180deg);color:var(--brand);}
.faq-body{
  padding:0 22px 22px 39px;color:var(--t-2);font-size:14.5px;line-height:1.85;
}

/* ============ CTA ============ */
.cta-panel{
  position:relative;text-align:center;
  padding:64px 32px;border-radius:26px;
  background:rgba(255,255,255,.05);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  overflow:hidden;
  box-shadow:var(--sh-2);
}
.cta-panel::before{
  content:"";position:absolute;inset:0;border-radius:26px;padding:1px;
  background:linear-gradient(120deg,rgba(35,227,192,.7),rgba(255,106,61,.5),rgba(120,220,255,.35));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;
  pointer-events:none;
}
.cta-panel h2{font-size:clamp(22px,2.8vw,30px);font-weight:700;line-height:1.35;}
.cta-panel p{margin-top:14px;color:var(--t-2);font-size:15px;max-width:620px;margin-left:auto;margin-right:auto;}
.cta-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;margin-top:30px;position:relative;z-index:2;}
.cta-tips{display:flex;justify-content:center;flex-wrap:wrap;gap:22px;margin-top:28px;position:relative;z-index:2;}
.cta-tips span{font-size:13px;color:var(--t-3);display:inline-flex;align-items:center;gap:7px;}
.cta-tips i{color:var(--brand);font-size:12px;}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;z-index:2;
  margin-top:40px;
  background:linear-gradient(180deg,rgba(10,19,34,0),#070D18 30%);
  padding:72px 0 0;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(35,227,192,0),rgba(35,227,192,.55),rgba(255,106,61,.35),rgba(35,227,192,0));
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:52px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-desc{font-size:13.5px;color:var(--t-3);line-height:1.85;max-width:330px;}
.footer-kw{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.footer-kw span{
  font-size:12px;color:var(--t-3);padding:4px 10px;border-radius:var(--r-badge);
  border:1px solid var(--c-line);background:rgba(255,255,255,.03);
}
.footer-col h3{font-size:14px;font-weight:700;color:var(--t-1);margin-bottom:18px;letter-spacing:.04em;}
.footer-col li{margin-bottom:12px;}
.footer-col a,.footer-col p{
  font-size:13.5px;color:var(--t-2);position:relative;padding-left:0;
  transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.footer-col a:hover{color:var(--t-1);padding-left:10px;}
.footer-col a:hover::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:2px;height:12px;background:var(--brand);border-radius:2px;
}
.footer-form{display:flex;gap:10px;margin-top:16px;}
.footer-form input{
  flex:1;min-height:44px;padding:0 14px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--c-line);border-radius:12px;
  color:var(--t-1);font-size:13.5px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.footer-form input::placeholder{color:var(--t-3);}
.footer-form input:focus{
  outline:none;border-color:rgba(35,227,192,.55);
  box-shadow:inset 0 0 0 1px rgba(35,227,192,.25),0 0 18px rgba(35,227,192,.18);
}
.footer-bottom{
  border-top:1px solid rgba(120,220,255,.1);
  padding:22px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:12.5px;color:var(--t-3);}
.footer-bottom .fb-links{display:flex;gap:20px;}
.footer-bottom .fb-links a{font-size:12.5px;color:var(--t-3);}
.footer-bottom .fb-links a:hover{color:var(--t-1);}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  :root{--container:1160px;}
  .reward-card{flex:0 0 calc((100% - 60px)/4);}
}
@media (max-width:1023px){
  :root{--sec-y:64px;--pad-x:24px;}
  .nav-wrap{height:70px;}
  .nav-side{display:none;}
  .nav-wrap{grid-template-columns:auto 1fr auto;}
  .brand{justify-self:start;}
  .nav-toggle{display:inline-flex;justify-self:end;}
  .drawer{inset:70px 0 0 0;}
  .hero{padding:120px 0 72px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;gap:32px;margin-bottom:44px;}
  .split.rev .split-media{order:0;}
  .steps{grid-template-columns:repeat(2,1fr);gap:24px;padding:26px 22px;}
  .steps::before{display:none;}
  .reward-card{flex:0 0 calc((100% - 20px)/2.5);}
  .progress-wrap{grid-template-columns:1fr;gap:32px;padding:28px;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  :root{--pad-x:20px;--sec-y:52px;}
  body{font-size:15.5px;}
  .hero{padding:104px 0 60px;}
  .hero-bg::after{background:linear-gradient(180deg,rgba(6,11,20,.72) 0%,rgba(6,11,20,.72) 50%,rgba(6,11,20,.97) 100%);}
  .hero-grid{text-align:center;}
  .hero-sub{margin-left:auto;margin-right:auto;}
  .hero-actions{justify-content:center;}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:10px;margin-top:34px;}
  .stat{padding:14px 12px;text-align:center;}
  .stat b{font-size:19px;}
  .news-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .reward-card{flex:0 0 82%;}
  .reward-track{padding-bottom:16px;}
  .progress-wrap{padding:22px 18px;}
  .ring{width:150px;height:150px;}
  .cta-panel{padding:44px 20px;border-radius:20px;}
  .faq-item summary{padding:16px 16px;font-size:14.5px;}
  .faq-body{padding:0 16px 18px 33px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px;}
  .footer-form{flex-direction:column;}
  .footer-form .btn{width:100%;}
}
@media (max-width:575px){
  .hero-stats{grid-template-columns:1fr 1fr;}
  .brand-text{font-size:14.5px;}
  .brand-sub{display:none;}
  .hero-actions .btn{width:100%;}
  .split-media{aspect-ratio:16/10;}
}
@media (min-width:1440px){
  :root{--container:1320px;}
}

/* roulang page: article */
:root{
  --c-bg-0:#060B14;
  --c-bg-1:#0A1322;
  --c-bg-2:#0E1A2C;
  --c-surface:rgba(255,255,255,.05);
  --c-surface-2:rgba(255,255,255,.08);
  --c-line:rgba(120,220,255,.14);
  --c-line-soft:rgba(120,220,255,.08);
  --t-1:#EAF4F8;
  --t-2:#A9BCC9;
  --t-3:#6E8494;
  --primary:#23E3C0;
  --primary-deep:#0E9C88;
  --accent:#FF6A3D;
  --amber:#FFC44D;
  --ok:#35D07F;
  --info:#4AA8FF;
  --grad-main:linear-gradient(120deg,#0E9C88,#23E3C0);
  --glow:0 0 0 1px rgba(35,227,192,.45),0 10px 30px rgba(35,227,192,.26);
  --sh-1:0 4px 14px rgba(2,8,18,.32);
  --sh-2:0 12px 34px rgba(2,8,18,.42);
  --sh-3:0 24px 60px rgba(2,8,18,.55);
  --r-card:18px;
  --r-btn:12px;
  --r-pill:999px;
  --r-img:16px;
  --r-badge:6px;
  --container:1200px;
  --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(--c-bg-0);
  color:var(--t-1);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(900px 520px at 12% -8%,rgba(35,227,192,.10),transparent 70%),
    radial-gradient(760px 460px at 92% 4%,rgba(255,106,61,.07),transparent 72%);
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(35,227,192,.35)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;color:var(--t-1);letter-spacing:.2px}
p{margin:0}
button{font-family:inherit}
::selection{background:rgba(35,227,192,.3);color:#fff}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#080E19}
::-webkit-scrollbar-thumb{background:rgba(35,227,192,.28);border-radius:8px;border:2px solid #080E19}
::-webkit-scrollbar-thumb:hover{background:rgba(35,227,192,.5)}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;position:relative;z-index:1}
.show-for-sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ============ 头部导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:80;
  padding:14px 0;
  background:linear-gradient(180deg,rgba(6,11,20,.86),rgba(6,11,20,0));
  transition:background .35s var(--ease),backdrop-filter .35s var(--ease),padding .35s var(--ease),border-color .35s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  padding:10px 0;
  background:rgba(8,14,25,.72);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--c-line);
}
.nav-wrap{
  max-width:1320px;
  margin:0 auto;
  padding:0 32px;
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:18px;
}
.nav-side{display:flex;align-items:center;gap:6px}
.nav-side.left{justify-content:flex-end}
.nav-side.right{justify-content:flex-start}
.nav-link{
  position:relative;
  padding:10px 14px;
  font-size:15px;
  font-weight:500;
  color:var(--t-2);
  border-radius:10px;
  white-space:nowrap;
}
.nav-link:hover{color:var(--t-1);background:rgba(255,255,255,.05)}
.nav-link.is-active{color:var(--t-1)}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--grad-main);
  box-shadow:0 0 12px rgba(35,227,192,.7);
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  padding:6px 14px;
  border-radius:16px;
}
.brand-mark{
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:var(--grad-main);
  color:#04140F;
  font-size:17px;
  box-shadow:0 8px 22px rgba(35,227,192,.28);
  flex:none;
}
.brand-text{
  display:block;
  font-size:16px;
  font-weight:700;
  letter-spacing:.4px;
  color:var(--t-1);
  line-height:1.2;
}
.brand-sub{
  display:block;
  font-size:11px;
  color:var(--t-3);
  letter-spacing:2px;
  line-height:1.4;
}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--c-line);
  background:var(--c-surface);
  color:var(--t-1);
  font-size:17px;
  cursor:pointer;
}
.nav-toggle:hover{background:rgba(35,227,192,.12);color:var(--primary)}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:79;
  background:rgba(5,9,16,.96);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  padding:96px 24px 32px;
  display:none;
  flex-direction:column;
  gap:10px;
  overflow-y:auto;
}
.mobile-drawer.is-open{display:flex}
.mobile-drawer .drawer-title{font-size:12px;letter-spacing:3px;color:var(--t-3);margin:14px 0 4px}
.mobile-drawer a{
  display:block;
  padding:15px 16px;
  border-radius:12px;
  border:1px solid var(--c-line-soft);
  background:var(--c-surface);
  font-size:16px;
  color:var(--t-1);
}
.mobile-drawer a:hover{border-color:rgba(35,227,192,.4);color:var(--primary)}
.mobile-drawer .drawer-cta{margin-top:16px;text-align:center;background:var(--grad-main);color:#04140F;font-weight:700;border:none}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:12px 26px;
  font-size:15px;
  font-weight:500;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s var(--ease),background-color .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad-main);
  color:#04140F;
  font-weight:700;
  border-radius:var(--r-pill);
  box-shadow:var(--glow);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  background:transparent;
  color:var(--t-1);
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
}
.btn-ghost:hover{background:rgba(35,227,192,.1);border-color:rgba(35,227,192,.5);color:var(--primary)}
.btn-sm{min-height:38px;padding:9px 18px;font-size:14px}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);font-size:14px;font-weight:500;
  border-bottom:1px solid transparent;
}
.btn-text:hover{border-bottom-color:var(--primary)}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:24px;
  padding:0 10px;
  font-size:12px;
  line-height:1;
  border-radius:var(--r-badge);
  background:rgba(35,227,192,.12);
  color:var(--primary);
  border:1px solid rgba(35,227,192,.28);
  white-space:nowrap;
}
.badge-neutral{background:rgba(255,255,255,.06);color:var(--t-2);border-color:var(--c-line)}
.badge-accent{background:rgba(255,106,61,.13);color:var(--accent);border-color:rgba(255,106,61,.32)}

/* ============ 面包屑 ============ */
.crumb-bar{
  padding-top:112px;
  padding-bottom:4px;
}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--t-3);
  flex-wrap:nowrap;
  overflow:hidden;
}
.crumb a{color:var(--t-3)}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:rgba(110,132,148,.7)}
.crumb .current{
  color:var(--t-2);
  max-width:52vw;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}

/* ============ 文章头 ============ */
.article-head{
  padding:26px 0 34px;
  border-bottom:1px solid var(--c-line-soft);
}
.article-head .badge{margin-bottom:16px}
.article-title{
  font-size:clamp(28px,4.2vw,46px);
  line-height:1.25;
  max-width:20ch;
  letter-spacing:.4px;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 22px;
  margin-top:20px;
  font-size:13px;
  color:var(--t-3);
  font-variant-numeric:tabular-nums;
}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:rgba(35,227,192,.7);font-size:12px}

/* ============ 布局 ============ */
.article-main{padding:48px 0 88px}
.article-layout{
  display:grid;
  grid-template-columns:1fr;
  gap:36px;
  align-items:start;
}
.article-side{display:flex;flex-direction:column;gap:16px}
.side-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:20px;
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
}
.side-card h2{
  font-size:13px;
  letter-spacing:2px;
  color:var(--t-3);
  font-weight:500;
  margin-bottom:14px;
}
.side-meta{display:flex;flex-direction:column;gap:12px;font-size:13.5px}
.side-meta .row{display:flex;justify-content:space-between;gap:12px;color:var(--t-2)}
.side-meta .row b{color:var(--t-1);font-weight:500;font-variant-numeric:tabular-nums}
.side-links{display:flex;flex-direction:column;gap:4px}
.side-links a{
  position:relative;
  display:block;
  padding:9px 10px 9px 14px;
  font-size:14px;
  color:var(--t-2);
  border-radius:8px;
}
.side-links a::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  transform:translateY(-50%);
  width:3px;height:14px;
  border-radius:2px;
  background:rgba(35,227,192,.35);
  transition:background .2s var(--ease),height .2s var(--ease);
}
.side-links a:hover{background:rgba(255,255,255,.05);color:var(--t-1)}
.side-links a:hover::before{background:var(--primary);height:18px}

/* ============ 正文 ============ */
.article-body{max-width:820px;min-width:0}
.article-cover{
  margin:0 0 34px;
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--c-line);
  background:var(--c-bg-2);
  position:relative;
}
.article-cover img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
}
.article-cover::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,11,20,0) 45%,rgba(6,11,20,.55));
  pointer-events:none;
}
.article-content{color:#D8E5EC;font-size:16.5px;line-height:1.85;word-wrap:break-word}
.article-content > * + *{margin-top:18px}
.article-content h2{
  position:relative;
  font-size:clamp(22px,3vw,32px);
  margin-top:44px;
  padding-left:16px;
  line-height:1.35;
}
.article-content h2::before{
  content:"";
  position:absolute;
  left:0;top:.22em;
  width:3px;height:1em;
  border-radius:2px;
  background:var(--grad-main);
  box-shadow:0 0 12px rgba(35,227,192,.55);
}
.article-content h2 + *{margin-top:20px}
.article-content h3{
  font-size:20px;
  margin-top:32px;
  color:var(--t-1);
}
.article-content h3 + *{margin-top:12px}
.article-content p{margin:0}
.article-content a{
  color:var(--primary);
  border-bottom:1px solid rgba(35,227,192,.35);
}
.article-content a:hover{border-bottom-color:var(--primary)}
.article-content strong{color:#fff;font-weight:700}
.article-content ul,.article-content ol{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.article-content ul li{position:relative;padding-left:22px}
.article-content ul li::before{
  content:"";
  position:absolute;left:2px;top:.72em;
  width:7px;height:7px;border-radius:2px;
  background:var(--primary);
  transform:rotate(45deg);
}
.article-content ol{counter-reset:artlist}
.article-content ol li{position:relative;padding-left:34px;counter-increment:artlist}
.article-content ol li::before{
  content:counter(artlist,decimal-leading-zero);
  position:absolute;left:0;top:.24em;
  font-size:12px;font-weight:700;
  color:var(--primary);
  font-variant-numeric:tabular-nums;
  border:1px solid rgba(35,227,192,.35);
  border-radius:6px;
  padding:1px 5px;
  line-height:1.3;
}
.article-content blockquote{
  margin-top:26px;
  padding:20px 22px;
  border-left:3px solid var(--primary);
  border-radius:0 12px 12px 0;
  background:var(--c-surface);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  color:var(--t-2);
  font-size:15.5px;
}
.article-content blockquote p + p{margin-top:12px}
.article-content table{
  width:100%;
  border-collapse:collapse;
  margin-top:24px;
  font-size:14.5px;
  border:1px solid var(--c-line);
  border-radius:12px;
  overflow:hidden;
}
.article-content thead th{
  background:rgba(35,227,192,.09);
  color:var(--t-1);
  font-weight:500;
}
.article-content th,.article-content td{
  padding:12px 14px;
  border-bottom:1px solid var(--c-line-soft);
  text-align:left;
}
.article-content tbody tr:last-child td{border-bottom:none}
.article-content tbody tr:hover{background:rgba(255,255,255,.03)}
.article-content pre{
  margin-top:24px;
  padding:18px 20px;
  background:#050A12;
  border:1px solid var(--c-line);
  border-radius:12px;
  overflow-x:auto;
  font-size:13.5px;
  line-height:1.7;
}
.article-content code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:.92em;
  background:rgba(35,227,192,.1);
  color:var(--primary);
  padding:2px 6px;
  border-radius:6px;
}
.article-content pre code{background:none;color:#BFE9E0;padding:0}
.article-content img{
  border-radius:var(--r-img);
  margin-top:26px;
  border:1px solid var(--c-line);
}
.article-content figcaption{
  margin-top:10px;
  text-align:center;
  font-size:13px;
  color:var(--t-3);
}
.article-content hr{
  margin-top:36px;
  border:none;
  height:1px;
  background:linear-gradient(90deg,transparent,var(--c-line),transparent);
}

/* 标签 */
.article-tags{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-top:44px;
  padding-top:24px;
  border-top:1px solid var(--c-line-soft);
}
.article-tags .label{font-size:13px;color:var(--t-3);margin-right:4px}
.tag{
  display:inline-flex;align-items:center;
  height:30px;padding:0 14px;
  font-size:13px;
  border-radius:var(--r-pill);
  border:1px solid var(--c-line);
  background:var(--c-surface);
  color:var(--t-2);
}
.tag:hover{border-color:rgba(35,227,192,.5);color:var(--primary);background:rgba(35,227,192,.09)}

/* 双卡导航 */
.pager{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
  margin-top:36px;
}
.pager a{
  display:flex;
  flex-direction:column;
  gap:8px;
  padding:20px;
  border-radius:var(--r-card);
  border:1px solid var(--c-line);
  background:var(--c-surface);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.pager a:hover{transform:translateY(-4px);border-color:rgba(35,227,192,.45);box-shadow:var(--sh-2)}
.pager .pager-k{
  font-size:12px;
  letter-spacing:2px;
  color:var(--t-3);
}
.pager .pager-t{font-size:16px;font-weight:700;color:var(--t-1);line-height:1.45}
.pager .pager-d{font-size:13.5px;color:var(--t-2);line-height:1.7}
.pager .pager-i{font-size:12px;color:var(--primary)}

/* 相关推荐 */
.related{
  padding:72px 0 0;
  margin-top:64px;
  border-top:1px solid var(--c-line-soft);
}
.section-head{margin-bottom:28px}
.section-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;letter-spacing:3px;color:var(--t-3);
  margin-bottom:12px;
}
.section-eyebrow::before{
  content:"";
  width:22px;height:1px;
  background:linear-gradient(90deg,rgba(35,227,192,0),var(--primary));
}
.section-head h2{font-size:clamp(22px,3vw,32px)}
.section-head p{margin-top:10px;color:var(--t-2);font-size:15px;max-width:60ch}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}
.card{
  display:flex;
  flex-direction:column;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:rgba(35,227,192,.45);box-shadow:var(--sh-2)}
.card-media{position:relative;overflow:hidden;background:var(--c-bg-2)}
.card-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform .4s var(--ease);
}
.card:hover .card-media img{transform:scale(1.04)}
.card-media .badge{position:absolute;top:12px;left:12px}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{
  font-size:17px;
  line-height:1.45;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-desc{
  font-size:14px;
  color:var(--t-2);
  line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding-top:6px;
  font-size:12.5px;
  color:var(--t-3);
}
.card-foot .btn-text{font-size:13.5px}

/* ============ 结尾 CTA ============ */
.cta-panel{
  position:relative;
  margin-top:72px;
  padding:44px 36px;
  border-radius:26px;
  text-align:center;
  background:linear-gradient(150deg,rgba(35,227,192,.10),rgba(255,106,61,.06) 60%,rgba(255,255,255,.03));
  border:1px solid rgba(35,227,192,.28);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  overflow:hidden;
}
.cta-panel::before{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(120,220,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(120,220,255,.06) 1px,transparent 1px);
  background-size:44px 44px;
  opacity:.7;
  pointer-events:none;
}
.cta-panel > *{position:relative;z-index:1}
.cta-panel h2{font-size:clamp(22px,3vw,30px)}
.cta-panel p{margin:14px auto 26px;max-width:56ch;color:var(--t-2);font-size:15.5px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}

/* ============ 空态 ============ */
.empty-state{
  padding:64px 24px;
  text-align:center;
  border-radius:var(--r-card);
  border:1px dashed var(--c-line);
  background:var(--c-surface);
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:16px;
}
.empty-state .empty-icon{
  width:64px;height:64px;
  display:flex;align-items:center;justify-content:center;
  border-radius:20px;
  background:rgba(35,227,192,.1);
  border:1px solid rgba(35,227,192,.28);
  color:var(--primary);
  font-size:24px;
}
.empty-state h2{font-size:20px}
.empty-state p{color:var(--t-2);font-size:15px;max-width:44ch}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:96px;
  background:linear-gradient(180deg,rgba(10,19,34,0),rgba(10,19,34,.9));
  border-top:1px solid transparent;
  position:relative;
  z-index:1;
}
.site-footer::before{
  content:"";
  position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(35,227,192,.55),rgba(255,106,61,.35),transparent);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.3fr;
  gap:36px;
  padding:64px 0 44px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-desc{color:var(--t-2);font-size:14px;line-height:1.85;max-width:36ch}
.footer-kw{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.footer-kw span{
  font-size:12px;
  padding:5px 10px;
  border-radius:var(--r-badge);
  background:rgba(255,255,255,.05);
  border:1px solid var(--c-line-soft);
  color:var(--t-3);
}
.footer-col h3{
  font-size:14px;
  font-weight:500;
  letter-spacing:2px;
  color:var(--t-1);
  margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col ul a{
  position:relative;
  display:inline-block;
  padding-left:0;
  font-size:14px;
  color:var(--t-2);
}
.footer-col ul a::before{
  content:"";
  position:absolute;
  left:-10px;top:50%;
  transform:translateY(-50%);
  width:2px;height:0;
  border-radius:2px;
  background:var(--primary);
  transition:height .2s var(--ease);
}
.footer-col ul a:hover{color:var(--t-1);padding-left:8px}
.footer-col ul a:hover::before{height:14px;left:0}
.footer-col > p{color:var(--t-2);font-size:13.5px;line-height:1.8;margin-bottom:14px}
.footer-form{display:flex;gap:10px;align-items:stretch}
.footer-form input{
  flex:1;
  min-width:0;
  height:44px;
  padding:0 14px;
  font-size:14px;
  color:var(--t-1);
  background:rgba(255,255,255,.05);
  border:1px solid var(--c-line);
  border-radius:var(--r-btn);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.footer-form input::placeholder{color:var(--t-3)}
.footer-form input:focus{
  outline:none;
  border-color:rgba(35,227,192,.6);
  box-shadow:inset 0 0 0 3px rgba(35,227,192,.14);
}
.footer-form .btn{min-height:44px}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:22px 0 34px;
  border-top:1px solid var(--c-line-soft);
  font-size:13px;
  color:var(--t-3);
}
.fb-links{display:flex;flex-wrap:wrap;gap:18px}
.fb-links a{color:var(--t-3)}
.fb-links a:hover{color:var(--primary)}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .nav-wrap{padding:0 24px}
  .container{padding:0 26px}
}
@media (max-width:1023px){
  .nav-side.left,.nav-side.right .nav-link{display:none}
  .nav-side.right{justify-content:flex-end}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-side.right .btn-primary{display:none}
  .nav-wrap{grid-template-columns:1fr auto 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:52px 0 36px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .article-main{padding:40px 0 64px}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .container{padding:0 20px}
  .nav-wrap{padding:0 18px;gap:10px}
  .brand-text{font-size:14.5px}
  .brand-sub{display:none}
  .brand-mark{width:34px;height:34px;font-size:15px}
  .crumb-bar{padding-top:96px}
  .crumb .current{max-width:42vw}
  .article-head{padding:20px 0 26px}
  .article-main{padding:32px 0 52px}
  .article-content{font-size:15.5px}
  .pager{grid-template-columns:1fr}
  .related{padding-top:52px;margin-top:48px}
  .related-grid{grid-template-columns:1fr}
  .cta-panel{margin-top:52px;padding:32px 20px;border-radius:22px}
  .site-footer{margin-top:64px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-form{flex-direction:column}
  .footer-form .btn{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:575px){
  .article-title{max-width:none}
  .badge{height:22px;font-size:11.5px}
  .article-meta{gap:8px 16px;font-size:12.5px}
  .side-card{padding:16px}
  .cta-actions .btn{width:100%}
  .pager a{padding:16px}
}
@media (min-width:1024px){
  .article-layout{
    grid-template-columns:220px minmax(0,1fr);
    gap:40px;
  }
  .article-side{position:sticky;top:96px}
  .article-body{max-width:820px}
}
@media (min-width:1440px){
  :root{--container:1320px}
}

/* roulang page: category1 */
:root{
  --c-bg-0:#060B14;
  --c-bg-1:#0A1322;
  --c-bg-2:#0E1A2C;
  --c-surface:rgba(255,255,255,.05);
  --c-surface-2:rgba(255,255,255,.08);
  --c-line:rgba(120,220,255,.14);
  --c-line-strong:rgba(120,220,255,.30);
  --t-1:#EAF4F8;
  --t-2:#A9BCC9;
  --t-3:#6E8494;
  --brand:#23E3C0;
  --brand-deep:#0E9C88;
  --coral:#FF6A3D;
  --amber:#FFC44D;
  --ok:#35D07F;
  --info:#4AA8FF;
  --grad-brand:linear-gradient(120deg,#0E9C88,#23E3C0);
  --grad-warm:linear-gradient(90deg,#23E3C0,#FFC44D);
  --glow-brand:0 0 0 1px rgba(35,227,192,.45),0 10px 30px rgba(35,227,192,.26);
  --sh-1:0 4px 14px rgba(2,8,18,.45);
  --sh-2:0 12px 34px rgba(2,8,18,.55);
  --sh-3:0 24px 60px rgba(2,8,18,.65);
  --r-card:18px;
  --r-pill:999px;
  --r-btn:12px;
  --r-img:16px;
  --r-badge:6px;
  --r-input:12px;
  --maxw:1200px;
  --pad-x:32px;
  --sec-y:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg-0);
  color:var(--t-1);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(900px 520px at 12% -6%,rgba(35,227,192,.10),transparent 62%),
    radial-gradient(760px 480px at 96% 4%,rgba(255,106,61,.08),transparent 60%),
    linear-gradient(180deg,#060B14 0%,#0A1322 46%,#060B14 100%);
  z-index:-1;
}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:.2px;}
h1{font-size:clamp(28px,4.2vw,46px);}
h2{font-size:clamp(22px,3vw,32px);}
h3{font-size:20px;line-height:1.35;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:2px solid rgba(35,227,192,.65);outline-offset:3px;border-radius:6px;}
::selection{background:rgba(35,227,192,.3);color:#fff;}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:#070E18;}
::-webkit-scrollbar-thumb{background:rgba(120,220,255,.18);border-radius:999px;}
::-webkit-scrollbar-thumb:hover{background:rgba(35,227,192,.4);}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 var(--pad-x);}
.section{padding:var(--sec-y) 0;position:relative;}
.section.tight{padding:64px 0;}
.section-grid-bg::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(120,220,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(120,220,255,.06) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(70% 60% at 50% 40%,#000 20%,transparent 80%);
  -webkit-mask-image:radial-gradient(70% 60% at 50% 40%,#000 20%,transparent 80%);
  pointer-events:none;
}
.section-head{max-width:760px;margin-bottom:40px;}
.section-index{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--brand);letter-spacing:2px;margin-bottom:12px;
}
.section-index::before{content:"";width:22px;height:1px;background:var(--grad-brand);display:inline-block;}
.section-title{position:relative;padding-left:16px;}
.section-title::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:2px;background:var(--grad-brand);}
.section-desc{color:var(--t-2);margin-top:14px;font-size:15.5px;}

/* ===== Header / Nav ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  transition:background-color .28s ease,backdrop-filter .28s ease,border-color .28s ease,box-shadow .28s ease;
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(8,16,28,.72);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom-color:var(--c-line);
  box-shadow:var(--sh-1);
}
.nav-wrap{
  max-width:1320px;margin:0 auto;padding:14px 32px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.nav-side{display:flex;align-items:center;gap:24px;flex:1 1 0;min-width:0;}
.nav-side.left{justify-content:flex-end;}
.nav-side.right{justify-content:flex-start;}
.nav-link{
  position:relative;font-size:15px;color:var(--t-2);white-space:nowrap;padding:6px 2px;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--grad-brand);transform:scaleX(0);transform-origin:left;
  transition:transform .22s cubic-bezier(.2,.7,.3,1);
}
.nav-link:hover{color:var(--t-1);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--t-1);font-weight:500;}
.nav-link.is-active::after{transform:scaleX(1);box-shadow:0 0 12px rgba(35,227,192,.7);}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
.brand-mark{
  width:40px;height:40px;border-radius:13px;display:grid;place-items:center;
  background:var(--grad-brand);color:#04140F;font-size:18px;
  box-shadow:0 0 0 1px rgba(35,227,192,.35),0 10px 24px rgba(35,227,192,.22);
}
.brand-text{display:block;font-size:16px;font-weight:700;color:var(--t-1);line-height:1.2;letter-spacing:.3px;}
.brand-sub{display:block;font-size:11.5px;color:var(--t-3);letter-spacing:2px;margin-top:3px;}
.nav-toggle{
  display:none;background:transparent;border:1px solid var(--c-line);color:var(--t-1);
  width:44px;height:44px;border-radius:12px;font-size:17px;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--c-line-strong);background:var(--c-surface);}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;cursor:pointer;border:1px solid transparent;
  transition:transform .18s cubic-bezier(.2,.7,.3,1),filter .2s ease,background-color .2s ease,border-color .2s ease,box-shadow .22s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--grad-brand);color:#04140F;box-shadow:var(--glow-brand);}
.btn-primary:hover{filter:brightness(1.08);color:#04140F;}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:var(--t-1);border-color:var(--c-line-strong);border-radius:var(--r-btn);}
.btn-ghost:hover{background:rgba(35,227,192,.08);border-color:var(--brand);color:var(--t-1);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn-text{color:var(--brand);font-weight:500;position:relative;padding:4px 0;}
.btn-text::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .24s cubic-bezier(.2,.7,.3,1);}
.btn-text:hover::after{transform:scaleX(1);}

/* ===== Badges ===== */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 9px;border-radius:var(--r-badge);
  font-size:12px;font-weight:500;letter-spacing:.4px;white-space:nowrap;
}
.badge-brand{background:rgba(35,227,192,.14);color:var(--brand);border:1px solid rgba(35,227,192,.3);}
.badge-neutral{background:rgba(255,255,255,.06);color:var(--t-2);border:1px solid var(--c-line);}
.badge-coral{background:rgba(255,106,61,.16);color:#FF9A78;border:1px solid rgba(255,106,61,.34);}
.badge-amber{background:rgba(255,196,77,.16);color:var(--amber);border:1px solid rgba(255,196,77,.32);}

/* ===== Mobile drawer ===== */
.nav-drawer{
  position:fixed;inset:0;z-index:90;background:rgba(5,10,18,.96);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  display:none;padding:82px 24px 32px;overflow-y:auto;
}
.nav-drawer.is-open{display:block;}
.drawer-inner{max-width:520px;margin:0 auto;display:flex;flex-direction:column;gap:6px;}
.drawer-title{font-size:12px;color:var(--t-3);letter-spacing:2px;margin:18px 0 6px;}
.nav-drawer a.drawer-link{
  padding:14px 16px;border-radius:12px;border:1px solid var(--c-line);
  background:var(--c-surface);color:var(--t-1);font-size:15.5px;
}
.nav-drawer a.drawer-link:hover{border-color:var(--brand);background:rgba(35,227,192,.08);}
.nav-drawer .btn{margin-top:20px;}

/* ===== Category hero ===== */
.cat-hero{position:relative;overflow:hidden;padding:142px 0 62px;min-height:360px;display:flex;align-items:center;}
.cat-hero-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center 32%;background-repeat:no-repeat;
}
.cat-hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,11,20,.78) 0%,rgba(6,11,20,.68) 42%,rgba(6,11,20,.96) 100%);
}
.cat-hero .container{position:relative;z-index:2;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--t-3);margin-bottom:20px;flex-wrap:wrap;}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:rgba(110,132,148,.7);}
.crumb .current{color:var(--t-2);}
.cat-hero h1{margin:14px 0 16px;max-width:12em;}
.cat-hero h1 em{font-style:normal;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{color:var(--t-2);font-size:16.5px;max-width:640px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:12px;
}
.stat{
  min-width:150px;padding:14px 18px;border-radius:14px;
  background:rgba(255,255,255,.05);border:1px solid var(--c-line);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
}
.stat-num{font-size:22px;font-weight:700;color:var(--t-1);font-variant-numeric:tabular-nums;letter-spacing:.5px;}
.stat-num span{font-size:13px;color:var(--t-3);font-weight:400;margin-left:4px;}
.stat-label{font-size:13px;color:var(--t-3);margin-top:2px;}

/* ===== Intro ===== */
.intro-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:40px;align-items:start;}
.intro-text p{color:var(--t-2);font-size:15.5px;}
.intro-points{display:grid;gap:12px;}
.point{
  padding:16px 18px;border-radius:14px;background:var(--c-surface);border:1px solid var(--c-line);
  display:flex;gap:14px;align-items:flex-start;transition:border-color .22s ease,transform .22s cubic-bezier(.2,.7,.3,1);
}
.point:hover{border-color:var(--c-line-strong);transform:translateY(-2px);}
.point i{color:var(--brand);margin-top:5px;font-size:15px;}
.point strong{display:block;font-size:15.5px;font-weight:500;}
.point span{font-size:13.5px;color:var(--t-3);}

/* ===== Session cards (two-column feature cards) ===== */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;}
.card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;transition:transform .22s cubic-bezier(.2,.7,.3,1),border-color .22s ease,box-shadow .22s ease;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);border-color:rgba(35,227,192,.5);box-shadow:var(--sh-2);}
.sc-media{position:relative;display:block;aspect-ratio:16/10;overflow:hidden;border-radius:14px;margin:12px 12px 0;}
.sc-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s cubic-bezier(.2,.7,.3,1);}
.card:hover .sc-media img{transform:scale(1.04);}
.sc-flag{position:absolute;top:12px;right:12px;box-shadow:0 0 0 1px rgba(255,106,61,.4),0 8px 20px rgba(255,106,61,.28);}
.sc-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.sc-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.meta-t{font-size:13px;color:var(--t-3);font-variant-numeric:tabular-nums;}
.sc-body h3 a:hover{color:var(--brand);}
.sc-body p{color:var(--t-2);font-size:14.8px;margin:0;}
.sc-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px;}
.sc-list li{
  font-size:12.5px;color:var(--t-2);padding:4px 10px;border-radius:6px;
  background:rgba(255,255,255,.05);border:1px solid var(--c-line);
}
.sc-foot{margin-top:auto;padding-top:14px;display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--c-line);}
.sc-foot .meta-t{letter-spacing:.4px;}

/* ===== Steps ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:8px;}
.step{position:relative;padding:26px 22px 24px;border-radius:16px;border:1px solid var(--c-line);background:var(--c-surface);margin-right:14px;}
.step:last-child{margin-right:0;}
.step::after{
  content:"";position:absolute;top:44px;right:-14px;width:14px;height:1px;background:var(--c-line-strong);
}
.step:last-child::after{display:none;}
.step-no{
  display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;
  font-size:13px;font-weight:700;color:var(--brand);background:rgba(35,227,192,.12);border:1px solid rgba(35,227,192,.3);
  font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{font-size:14px;color:var(--t-3);margin:0;}

/* ===== Progress ===== */
.progress-wrap{display:grid;grid-template-columns:1.6fr 1fr;gap:40px;align-items:center;position:relative;z-index:2;}
.bar-item{margin-bottom:24px;}
.bar-top{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:9px;}
.bar-top strong{font-size:15.5px;font-weight:500;}
.bar-top span{font-size:13px;color:var(--t-3);font-variant-numeric:tabular-nums;}
.bar{height:8px;border-radius:999px;background:rgba(255,255,255,.07);overflow:hidden;}
.bar-fill{height:100%;border-radius:999px;background:var(--grad-warm);box-shadow:0 0 16px rgba(35,227,192,.35);}
.ring-wrap{display:flex;flex-direction:column;align-items:center;gap:14px;}
.ring{
  width:170px;height:170px;border-radius:50%;
  background:conic-gradient(var(--brand) 0% 68%, rgba(255,255,255,.08) 68% 100%);
  display:grid;place-items:center;position:relative;
  box-shadow:0 0 0 1px rgba(35,227,192,.25),0 12px 34px rgba(2,8,18,.55);
}
.ring::before{content:"";position:absolute;inset:14px;border-radius:50%;background:var(--c-bg-1);}
.ring-inner{position:relative;text-align:center;}
.ring-inner b{display:block;font-size:30px;font-weight:700;color:var(--t-1);font-variant-numeric:tabular-nums;}
.ring-inner small{font-size:12.5px;color:var(--t-3);}
.ring-cap{font-size:13px;color:var(--t-3);}

/* ===== FAQ ===== */
.faq{max-width:880px;margin:0 auto;}
.faq-item{
  border:1px solid var(--c-line);border-radius:14px;background:var(--c-surface);
  margin-bottom:12px;overflow:hidden;transition:border-color .22s ease,background-color .22s ease;
}
.faq-item[open]{border-color:rgba(35,227,192,.42);background:rgba(35,227,192,.05);}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:18px 54px 18px 22px;font-size:16px;font-weight:500;color:var(--t-1);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:2px;background:var(--grad-brand);
}
.faq-item summary::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;
  position:absolute;right:22px;top:50%;transform:translateY(-50%);color:var(--brand);
  transition:transform .24s ease;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg);}
.faq-answer{padding:0 22px 20px 22px;color:var(--t-2);font-size:14.8px;}

/* ===== CTA panel ===== */
.cta-panel{
  position:relative;border-radius:22px;padding:52px 40px;text-align:center;overflow:hidden;
  background:rgba(255,255,255,.05);border:1px solid rgba(120,220,255,.14);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  box-shadow:var(--sh-2);
}
.cta-panel::before{
  content:"";position:absolute;inset:0;padding:1px;border-radius:22px;
  background:linear-gradient(120deg,rgba(35,227,192,.55),rgba(255,106,61,.35),transparent 70%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;
}
.cta-panel h2{margin-bottom:14px;}
.cta-panel p{color:var(--t-2);max-width:620px;margin:0 auto 28px;}
.cta-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;}

/* ===== Empty state ===== */
.empty-state{
  text-align:center;padding:64px 24px;border:1px dashed var(--c-line-strong);border-radius:var(--r-card);
  background:rgba(255,255,255,.03);
}
.empty-state i{font-size:30px;color:var(--t-3);display:block;margin-bottom:14px;}
.empty-state p{color:var(--t-3);margin-bottom:18px;}

/* ===== Footer ===== */
.site-footer{margin-top:24px;border-top:1px solid var(--c-line);background:rgba(6,11,20,.7);position:relative;}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(35,227,192,.6),rgba(255,106,61,.4),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;padding:64px 0 44px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-desc{font-size:14px;color:var(--t-3);max-width:360px;}
.footer-kw{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.footer-kw span{font-size:12.5px;color:var(--t-2);border:1px solid var(--c-line);border-radius:6px;padding:4px 10px;background:var(--c-surface);}
.footer-col h3{font-size:15px;margin-bottom:16px;font-weight:500;color:var(--t-1);}
.footer-col ul{display:grid;gap:10px;}
.footer-col ul a{font-size:14px;color:var(--t-2);position:relative;padding-left:0;}
.footer-col ul a:hover{color:var(--t-1);padding-left:10px;}
.footer-col ul a::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%) scaleY(0);
  width:2px;height:12px;background:var(--brand);border-radius:2px;transition:transform .2s ease;
}
.footer-col ul a:hover::before{transform:translateY(-50%) scaleY(1);}
.footer-col p{font-size:14px;color:var(--t-3);}
.footer-form{display:flex;gap:10px;margin-top:14px;}
.footer-form input{
  flex:1;min-width:0;height:44px;padding:0 14px;border-radius:var(--r-input);
  background:rgba(255,255,255,.05);border:1px solid var(--c-line);color:var(--t-1);font-size:14px;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.footer-form input::placeholder{color:var(--t-3);}
.footer-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(35,227,192,.16);}
.footer-bottom{
  border-top:1px solid var(--c-line);padding:22px 0 30px;
  display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:var(--t-3);margin:0;}
.fb-links{display:flex;gap:20px;flex-wrap:wrap;}
.fb-links a{font-size:13px;color:var(--t-3);}
.fb-links a:hover{color:var(--brand);}

/* ===== Responsive ===== */
@media (max-width:1279px){
  :root{--maxw:1140px;}
  .nav-wrap{padding:14px 24px;}
  .nav-side{gap:18px;}
  .footer-grid{gap:32px;}
}
@media (max-width:1023px){
  :root{--sec-y:64px;--pad-x:24px;}
  .nav-side.left,.nav-side.right{display:none;}
  .nav-toggle{display:grid;place-items:center;}
  .nav-wrap{padding:12px 24px;}
  .cat-hero{padding:126px 0 52px;min-height:340px;}
  .intro-grid{grid-template-columns:1fr;gap:28px;}
  .steps{grid-template-columns:repeat(2,1fr);gap:14px;}
  .step{margin-right:0;}
  .step::after{display:none;}
  .progress-wrap{grid-template-columns:1fr;gap:34px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;padding:52px 0 36px;}
}
@media (max-width:767px){
  :root{--sec-y:52px;--pad-x:20px;}
  body{font-size:15.5px;}
  .brand-text{font-size:14.5px;}
  .brand-sub{display:none;}
  .cat-hero{padding:118px 0 44px;min-height:300px;}
  .cat-hero-bg::after{background:linear-gradient(180deg,rgba(6,11,20,.86) 0%,rgba(6,11,20,.78) 44%,rgba(6,11,20,.97) 100%);}
  .hero-sub{font-size:15.5px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn{flex:1 1 100%;}
  .stat{flex:1 1 calc(50% - 6px);min-width:0;}
  .grid-2{grid-template-columns:1fr;gap:18px;}
  .steps{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-form{flex-direction:column;}
  .footer-form .btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-panel{padding:38px 22px;}
  .ring{width:150px;height:150px;}
}
@media (max-width:575px){
  .cat-hero h1{max-width:100%;}
  .stat{flex:1 1 100%;}
  .section-head{margin-bottom:28px;}
  .sc-body{padding:18px 16px 20px;}
  .sc-media{margin:10px 10px 0;}
  .step{padding:20px 18px;}
  .faq-item summary{font-size:15px;padding:16px 48px 16px 18px;}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --c-bg-0:#060B14;
  --c-bg-1:#0A1322;
  --c-bg-2:#0E1A2C;
  --c-surface:rgba(255,255,255,.05);
  --c-surface-2:rgba(255,255,255,.08);
  --c-line:rgba(120,220,255,.14);
  --c-line-2:rgba(120,220,255,.28);
  --t-1:#EAF4F8;
  --t-2:#A9BCC9;
  --t-3:#6E8494;
  --primary:#23E3C0;
  --primary-deep:#0E9C88;
  --accent:#FF6A3D;
  --amber:#FFC44D;
  --ok:#35D07F;
  --info:#4AA8FF;
  --grad-main:linear-gradient(120deg,#0E9C88,#23E3C0);
  --grad-warm:linear-gradient(120deg,#23E3C0,#FFC44D);
  --glow:0 0 0 1px rgba(35,227,192,.45), 0 10px 30px rgba(35,227,192,.26);
  --sh-1:0 4px 14px rgba(0,6,16,.45);
  --sh-2:0 12px 34px rgba(0,6,16,.55);
  --sh-3:0 24px 60px rgba(0,6,16,.65);
  --r-card:18px;
  --r-img:16px;
  --r-btn:12px;
  --r-input:12px;
  --r-badge:6px;
  --sp:8px;
  --container:1200px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
@media (min-width:1440px){:root{--container:1320px;}}

/* ============ reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  background:var(--c-bg-0);
  color:var(--t-1);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(120,220,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,220,255,.05) 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.5;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:3px;
  border-radius:4px;
}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font-family:inherit;}
/* Foundation 覆盖 */
body,html{font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;}
a{color:var(--primary);}
a:hover{color:var(--primary);}
button,.button{border-radius:var(--r-btn);}
.row,.columns{padding:0;}

/* ============ 容器 ============ */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
  position:relative;
  z-index:1;
}
.container-narrow{max-width:900px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:100;
  transition:background .3s var(--ease),backdrop-filter .3s var(--ease),border-color .3s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(6,11,20,.72);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--c-line);
}
.nav-wrap{
  max-width:var(--container);
  margin:0 auto;
  padding:14px 32px;
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:16px;
}
.nav-side{display:flex;align-items:center;gap:6px;}
.nav-side.left{justify-content:flex-start;}
.nav-side.right{justify-content:flex-end;}
.nav-link{
  position:relative;
  padding:10px 14px;
  font-size:15px;
  color:var(--t-2);
  border-radius:10px;
  white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:4px;
  height:2px;
  border-radius:2px;
  background:var(--grad-main);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--t-1);background:rgba(255,255,255,.04);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--t-1);}
.nav-link.is-active::after{
  transform:scaleX(1);
  box-shadow:0 0 0 1px rgba(35,227,192,.45),0 6px 16px rgba(35,227,192,.35);
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  padding:6px 10px;
  border-radius:14px;
  text-align:left;
}
.brand-mark{
  width:40px;height:40px;
  flex:0 0 40px;
  display:grid;
  place-items:center;
  border-radius:12px;
  background:var(--grad-main);
  color:#04201C;
  font-size:17px;
  box-shadow:var(--glow);
}
.brand-text{
  display:block;
  font-size:17px;
  font-weight:700;
  letter-spacing:.4px;
  color:var(--t-1);
  line-height:1.25;
}
.brand-sub{
  display:block;
  font-size:11.5px;
  color:var(--t-3);
  letter-spacing:1.6px;
  line-height:1.4;
}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--c-line);
  background:var(--c-surface);
  color:var(--t-1);
  font-size:17px;
  align-items:center;
  justify-content:center;
  transition:border-color .2s ease,background .2s ease;
}
.nav-toggle:hover{border-color:var(--primary);background:rgba(35,227,192,.1);}

/* 抽屉 */
.nav-drawer{
  position:fixed;
  inset:0;
  z-index:99;
  background:rgba(6,11,20,.96);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  padding:96px 24px 32px;
  display:none;
  flex-direction:column;
  gap:8px;
  overflow-y:auto;
}
.nav-drawer.is-open{display:flex;}
.drawer-group-title{
  font-size:12px;
  letter-spacing:2px;
  color:var(--t-3);
  padding:18px 8px 6px;
}
.drawer-link{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:52px;
  padding:0 16px;
  border-radius:14px;
  border:1px solid var(--c-line);
  background:var(--c-surface);
  color:var(--t-1);
  font-size:16px;
  transition:border-color .2s ease,transform .2s var(--ease);
}
.drawer-link:active{transform:scale(.99);}
.drawer-link.is-active{border-color:rgba(35,227,192,.55);color:var(--primary);}
.drawer-cta{margin-top:20px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 26px;
  font-size:15px;
  font-weight:500;
  border-radius:var(--r-btn);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{
  border-radius:999px;
  background:var(--grad-main);
  color:#04201C;
  font-weight:700;
  box-shadow:var(--glow);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(35,227,192,.35),0 6px 18px rgba(35,227,192,.2);}
.btn-ghost{
  border:1px solid var(--c-line-2);
  background:transparent;
  color:var(--t-1);
  border-radius:12px;
}
.btn-ghost:hover{background:rgba(35,227,192,.08);border-color:var(--primary);color:#fff;}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
.btn-lg{min-height:54px;padding:0 34px;font-size:16px;}
.btn-text{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--primary);
  font-size:14.5px;
  min-height:44px;
}
.btn-text span{position:relative;}
.btn-text span::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-3px;
  height:1px;
  background:currentColor;
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .24s var(--ease);
}
.btn-text:hover span::after{transform:scaleX(1);}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:24px;
  padding:0 10px;
  border-radius:var(--r-badge);
  font-size:12px;
  line-height:1;
  letter-spacing:.3px;
  white-space:nowrap;
}
.badge-primary{background:rgba(35,227,192,.14);color:var(--primary);border:1px solid rgba(35,227,192,.3);}
.badge-neutral{background:rgba(255,255,255,.06);color:var(--t-2);border:1px solid var(--c-line);}
.badge-accent{background:rgba(255,106,61,.14);color:var(--accent);border:1px solid rgba(255,106,61,.3);}
.badge-amber{background:rgba(255,196,77,.14);color:var(--amber);border:1px solid rgba(255,196,77,.3);}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;
  min-height:360px;
  display:flex;
  align-items:flex-end;
  padding:132px 0 52px;
  overflow:hidden;
}
.cat-hero-bg{
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:78% 32%;
  transform:scale(1.02);
}
.cat-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(120% 90% at 12% 10%,rgba(35,227,192,.20),transparent 55%),
    linear-gradient(180deg,rgba(6,11,20,.62) 0%,rgba(6,11,20,.86) 62%,var(--c-bg-0) 100%);
}
.cat-hero .container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--t-3);
  margin-bottom:20px;
}
.breadcrumb a{color:var(--t-3);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:var(--t-3);opacity:.7;}
.breadcrumb .cur{color:var(--t-2);}
.cat-hero h1{
  font-size:clamp(28px,4.2vw,46px);
  line-height:1.25;
  font-weight:700;
  letter-spacing:.5px;
  max-width:16em;
}
.cat-hero .hero-lead{
  margin-top:16px;
  font-size:16px;
  color:var(--t-2);
  max-width:56ch;
  line-height:1.8;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:24px;
}

/* ============ 板块通用 ============ */
.section{
  padding:88px 0;
  position:relative;
  z-index:1;
}
.section-alt{background:linear-gradient(180deg,rgba(10,19,34,.7),rgba(6,11,20,0));}
.section-head{max-width:760px;margin-bottom:44px;}
.section-num{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  letter-spacing:2px;
  color:var(--primary);
  margin-bottom:14px;
}
.section-num i{font-style:normal;font-size:14px;}
.section-num::after{
  content:"";
  width:48px;
  height:1px;
  background:linear-gradient(90deg,rgba(35,227,192,.7),transparent);
}
.section-head h2{
  font-size:clamp(22px,3vw,32px);
  line-height:1.3;
  font-weight:700;
  letter-spacing:.3px;
}
.section-head p{
  margin-top:14px;
  color:var(--t-2);
  font-size:15.5px;
}

/* ============ 紧凑列表 ============ */
.cat-list{display:flex;flex-direction:column;gap:12px;}
.cat-item{
  display:grid;
  grid-template-columns:72px 1fr;
  gap:22px;
  align-items:start;
  padding:24px 26px;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  background:var(--c-surface);
  transition:transform .22s var(--ease),border-color .22s ease,box-shadow .22s var(--ease),background .22s ease;
}
.cat-item:hover{
  transform:translateX(5px);
  border-color:rgba(35,227,192,.45);
  background:rgba(35,227,192,.05);
  box-shadow:var(--sh-1);
}
.cat-idx{
  font-size:20px;
  font-weight:700;
  color:var(--primary);
  letter-spacing:2px;
  line-height:1.5;
  padding-top:2px;
}
.cat-body h3{
  font-size:20px;
  line-height:1.4;
  font-weight:500;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
}
.cat-body p{
  margin-top:10px;
  color:var(--t-2);
  font-size:15px;
  line-height:1.75;
}
.cat-body .cat-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}

/* ============ 档位与进度 ============ */
.progress-layout{
  display:grid;
  grid-template-columns:1fr 320px;
  gap:40px;
  align-items:center;
}
.progress-list{display:flex;flex-direction:column;gap:26px;}
.progress-item{
  padding:22px 24px;
  border:1px solid var(--c-line);
  border-radius:16px;
  background:var(--c-surface);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
}
.progress-top{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:16px;
  margin-bottom:14px;
}
.progress-top h3{font-size:17px;font-weight:500;}
.progress-top .pct{
  font-family:Inter,system-ui,sans-serif;
  font-variant-numeric:tabular-nums;
  font-size:20px;
  font-weight:700;
  color:var(--primary);
  letter-spacing:.5px;
}
.progress-bar{
  height:10px;
  border-radius:999px;
  background:rgba(255,255,255,.08);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.06);
}
.progress-fill{
  height:100%;
  border-radius:inherit;
  background:var(--grad-warm);
  box-shadow:0 0 0 1px rgba(35,227,192,.45),0 6px 18px rgba(35,227,192,.22);
}
.progress-note{
  margin-top:12px;
  font-size:13px;
  color:var(--t-3);
}
.ring-wrap{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:16px;
  padding:32px 24px;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  background:var(--c-surface);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
}
.ring{
  width:180px;height:180px;
  border-radius:50%;
  background:conic-gradient(var(--primary) 0 72%, rgba(255,255,255,.08) 72% 100%);
  display:grid;
  place-items:center;
  box-shadow:0 0 0 1px rgba(35,227,192,.25),0 18px 40px rgba(0,6,16,.5);
}
.ring::before{
  content:"";
  width:132px;height:132px;
  border-radius:50%;
  background:var(--c-bg-1);
  grid-area:1/1;
}
.ring-value{
  grid-area:1/1;
  position:relative;
  text-align:center;
}
.ring-value b{
  display:block;
  font-family:Inter,system-ui,sans-serif;
  font-variant-numeric:tabular-nums;
  font-size:34px;
  font-weight:700;
  color:var(--t-1);
  line-height:1.1;
}
.ring-value span{font-size:12.5px;color:var(--t-3);letter-spacing:1px;}
.ring-wrap p{font-size:13.5px;color:var(--t-3);text-align:center;line-height:1.7;}

/* ============ 图文组合 ============ */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:center;
}
.split-media{
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--c-line);
  aspect-ratio:16/11;
  box-shadow:var(--sh-2);
  position:relative;
}
.split-media img{width:100%;height:100%;object-fit:cover;}
.split-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(160deg,rgba(6,11,20,.15),rgba(6,11,20,.55));
}
.split-media .media-tag{
  position:absolute;
  left:16px;bottom:16px;
  z-index:2;
}
.split-body h2{
  font-size:clamp(22px,3vw,32px);
  line-height:1.3;
  margin-bottom:16px;
}
.split-body > p{color:var(--t-2);font-size:15.5px;}
.check-list{margin-top:24px;display:flex;flex-direction:column;gap:14px;}
.check-list li{
  display:grid;
  grid-template-columns:24px 1fr;
  gap:12px;
  font-size:15px;
  color:var(--t-2);
  line-height:1.7;
}
.check-list li i{
  color:var(--primary);
  font-size:14px;
  margin-top:6px;
}
.check-list li b{color:var(--t-1);font-weight:500;}

/* ============ 流程 ============ */
.flow{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  position:relative;
  margin-top:8px;
}
.flow::before{
  content:"";
  position:absolute;
  top:26px;
  left:8%;
  right:8%;
  height:1px;
  background:linear-gradient(90deg,rgba(35,227,192,.5),rgba(120,220,255,.16),rgba(35,227,192,.5));
}
.flow-item{
  position:relative;
  padding:0 18px;
  text-align:left;
}
.flow-dot{
  width:52px;height:52px;
  border-radius:16px;
  display:grid;
  place-items:center;
  font-family:Inter,system-ui,sans-serif;
  font-variant-numeric:tabular-nums;
  font-size:16px;
  font-weight:700;
  color:var(--primary);
  background:var(--c-bg-1);
  border:1px solid rgba(35,227,192,.35);
  position:relative;
  z-index:2;
  margin-bottom:18px;
}
.flow-item h3{font-size:17px;font-weight:500;margin-bottom:8px;}
.flow-item p{font-size:14px;color:var(--t-2);line-height:1.7;}

/* ============ FAQ ============ */
.faq-list{
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  background:var(--c-surface);
  overflow:hidden;
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:22px 26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  font-size:16.5px;
  color:var(--t-1);
  position:relative;
  transition:background .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";
  position:absolute;
  left:0;
  top:22%;
  height:56%;
  width:3px;
  border-radius:0 3px 3px 0;
  background:var(--grad-main);
}
.faq-item summary:hover{background:rgba(255,255,255,.03);}
.faq-item summary .faq-ico{
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:8px;
  border:1px solid var(--c-line);
  display:grid;
  place-items:center;
  font-size:11px;
  color:var(--primary);
  transition:transform .24s var(--ease),background .2s ease;
}
.faq-item[open] summary .faq-ico{transform:rotate(45deg);background:rgba(35,227,192,.12);}
.faq-body{
  padding:0 26px 24px 26px;
  color:var(--t-2);
  font-size:15px;
  line-height:1.85;
  max-width:74ch;
}
.faq-body ul{margin-top:10px;display:flex;flex-direction:column;gap:8px;}
.faq-body ul li{position:relative;padding-left:18px;}
.faq-body ul li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:6px;height:6px;
  border-radius:2px;
  background:var(--primary);
  opacity:.75;
}

/* ============ CTA ============ */
.cta-panel{
  position:relative;
  border-radius:24px;
  padding:56px 40px;
  text-align:center;
  background:var(--c-surface);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(10,19,34,.86),rgba(10,19,34,.86)),linear-gradient(120deg,rgba(35,227,192,.75),rgba(255,106,61,.5));
  background-origin:border-box;
  background-clip:padding-box,border-box;
  box-shadow:var(--sh-3);
  overflow:hidden;
}
.cta-panel h2{
  font-size:clamp(22px,3vw,32px);
  line-height:1.3;
  margin-bottom:14px;
}
.cta-panel p{
  color:var(--t-2);
  font-size:15.5px;
  max-width:620px;
  margin:0 auto 30px;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}
.cta-facts{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:12px;
  margin-top:28px;
}
.fact-chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:36px;
  padding:0 16px;
  border-radius:999px;
  border:1px solid var(--c-line);
  background:rgba(255,255,255,.04);
  font-size:13px;
  color:var(--t-2);
}
.fact-chip b{
  font-family:Inter,system-ui,sans-serif;
  font-variant-numeric:tabular-nums;
  color:var(--primary);
  font-weight:700;
}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  margin-top:40px;
  padding:64px 0 28px;
  background:linear-gradient(180deg,rgba(6,11,20,0),rgba(10,19,34,.9) 40%,#070D18);
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(35,227,192,.5),rgba(255,106,61,.35),transparent);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:40px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{width:38px;height:38px;flex:0 0 38px;}
.footer-brand .brand-text{font-size:16px;}
.footer-desc{font-size:14px;color:var(--t-2);line-height:1.8;max-width:34ch;}
.footer-kw{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.footer-kw span{
  font-size:12px;
  color:var(--t-3);
  border:1px solid var(--c-line);
  border-radius:var(--r-badge);
  padding:3px 9px;
  line-height:1.5;
}
.footer-col h3{
  font-size:15px;
  font-weight:500;
  color:var(--t-1);
  margin-bottom:18px;
  letter-spacing:.5px;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col ul li a{
  font-size:14px;
  color:var(--t-2);
  padding-left:0;
  position:relative;
  transition:color .2s ease,padding-left .2s var(--ease);
}
.footer-col ul li a::before{
  content:"";
  position:absolute;
  left:-10px;top:50%;
  width:2px;height:12px;
  transform:translateY(-50%);
  background:var(--primary);
  opacity:0;
  transition:opacity .2s ease;
}
.footer-col ul li a:hover{color:var(--t-1);padding-left:6px;}
.footer-col ul li a:hover::before{opacity:1;}
.footer-col p{font-size:14px;color:var(--t-2);line-height:1.75;}
.footer-form{display:flex;gap:10px;margin-top:16px;}
.footer-form input{
  flex:1 1 auto;
  min-width:0;
  min-height:40px;
  padding:0 14px;
  border-radius:var(--r-input);
  border:1px solid var(--c-line);
  background:rgba(255,255,255,.04);
  color:var(--t-1);
  font-size:14px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.footer-form input::placeholder{color:var(--t-3);}
.footer-form input:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:inset 0 0 0 1px rgba(35,227,192,.35),0 0 18px rgba(35,227,192,.18);
}
.footer-bottom{
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid var(--c-line);
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  align-items:center;
  justify-content:space-between;
}
.footer-bottom p{font-size:13px;color:var(--t-3);}
.fb-links{display:flex;flex-wrap:wrap;gap:18px;}
.fb-links a{font-size:13px;color:var(--t-3);}
.fb-links a:hover{color:var(--primary);}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ============ 滚动条 ============ */
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:#070D18;}
::-webkit-scrollbar-thumb{background:rgba(120,220,255,.18);border-radius:999px;border:2px solid #070D18;}
::-webkit-scrollbar-thumb:hover{background:rgba(35,227,192,.45);}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{padding:0 28px;}
  .nav-wrap{padding:14px 28px;}
  .progress-layout{grid-template-columns:1fr 280px;gap:32px;}
}
@media (max-width:1023px){
  .section{padding:64px 0;}
  .nav-side.left,.nav-side.right .nav-link,.nav-side.right .btn{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-wrap{grid-template-columns:auto 1fr auto;padding:12px 24px;}
  .brand{justify-self:start;}
  .nav-side.right{justify-self:end;}
  .split{grid-template-columns:1fr;gap:32px;}
  .progress-layout{grid-template-columns:1fr;gap:28px;}
  .flow{grid-template-columns:repeat(2,1fr);gap:28px 0;}
  .flow::before{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cat-hero{min-height:320px;padding:118px 0 44px;}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .container{padding:0 20px;}
  .nav-wrap{padding:10px 20px;}
  .brand-text{font-size:15.5px;}
  .brand-sub{display:none;}
  .brand-mark{width:36px;height:36px;flex:0 0 36px;font-size:15px;}
  .section{padding:52px 0;}
  .section-head{margin-bottom:30px;}
  .cat-hero{padding:110px 0 38px;min-height:300px;}
  .cat-hero-bg{background-position:60% 26%;}
  .cat-hero::after{background:linear-gradient(180deg,rgba(6,11,20,.72) 0%,rgba(6,11,20,.9) 60%,var(--c-bg-0) 100%);}
  .hero-actions .btn{width:100%;}
  .cat-item{grid-template-columns:48px 1fr;gap:16px;padding:20px 18px;}
  .cat-idx{font-size:17px;}
  .cat-body h3{font-size:17.5px;}
  .progress-item{padding:18px 18px;}
  .ring{width:150px;height:150px;}
  .ring::before{width:110px;height:110px;}
  .flow{grid-template-columns:1fr;gap:24px;}
  .flow-item{padding:0;}
  .faq-item summary{padding:18px 18px;font-size:15.5px;}
  .faq-body{padding:0 18px 20px 18px;}
  .cta-panel{padding:38px 20px;border-radius:18px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-form{flex-direction:column;}
  .footer-form .btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:575px){
  .brand-text{font-size:14.5px;}
  .cat-hero h1{max-width:100%;}
  .hero-meta{gap:8px;}
  .cat-item{grid-template-columns:1fr;gap:8px;}
  .cat-idx{padding-top:0;}
}
@media (min-width:1024px){
  .nav-drawer{display:none !important;}
}

/* roulang page: category3 */
:root{
  --c-bg-0:#060B14;
  --c-bg-1:#0A1322;
  --c-bg-2:#0E1A2C;
  --c-surface:rgba(255,255,255,.05);
  --c-surface-2:rgba(255,255,255,.08);
  --c-line:rgba(120,220,255,.14);
  --c-line-strong:rgba(120,220,255,.30);
  --t-1:#EAF4F8;
  --t-2:#A9BCC9;
  --t-3:#6E8494;
  --ok:#35D07F;
  --info:#4AA8FF;
  --pri:#23E3C0;
  --pri-d:#0E9C88;
  --cor:#FF6A3D;
  --amb:#FFC44D;
  --grad-pri:linear-gradient(120deg,#0E9C88,#23E3C0);
  --grad-warm:linear-gradient(90deg,#23E3C0,#FFC44D);
  --glow:0 0 0 1px rgba(35,227,192,.45), 0 10px 30px rgba(35,227,192,.26);
  --sh-1:0 4px 14px rgba(0,0,0,.28);
  --sh-2:0 12px 34px rgba(0,0,0,.38);
  --sh-3:0 24px 60px rgba(0,0,0,.50);
  --r-card:18px;
  --r-pill:999px;
  --r-btn2:12px;
  --r-input:12px;
  --r-img:16px;
  --r-badge:6px;
  --c-wide:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg-0);
  color:var(--t-1);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
button,input{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3{line-height:1.25;font-weight:700;}
::selection{background:rgba(35,227,192,.3);color:#fff;}
:focus-visible{outline:2px solid var(--pri);outline-offset:3px;border-radius:6px;}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:var(--c-bg-1);}
::-webkit-scrollbar-thumb{background:rgba(120,220,255,.18);border-radius:8px;}
::-webkit-scrollbar-thumb:hover{background:rgba(35,227,192,.4);}

.container{width:100%;max-width:var(--c-wide);margin:0 auto;padding:0 32px;}
@media (min-width:1440px){:root{--c-wide:1320px;}}

.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section-head{margin-bottom:40px;max-width:760px;}
.section-num{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;letter-spacing:.16em;color:var(--t-3);margin-bottom:14px;
}
.section-num b{color:var(--pri);font-weight:500;font-size:15px;}
.section-num::after{content:"";width:48px;height:1px;background:var(--c-line-strong);display:block;}
.section-title{font-size:clamp(22px,3vw,32px);color:var(--t-1);}
.section-desc{margin-top:14px;color:var(--t-2);font-size:15.5px;}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;cursor:pointer;border:1px solid transparent;
  transition:transform .2s cubic-bezier(.2,.7,.3,1),filter .2s,background-color .2s,border-color .2s,color .2s,box-shadow .2s;
  white-space:nowrap;
}
.btn-primary{background:var(--grad-pri);color:#04201B;box-shadow:var(--glow);}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);color:#04201B;}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border-color:var(--c-line-strong);color:var(--t-1);border-radius:var(--r-btn2);}
.btn-ghost:hover{background:rgba(35,227,192,.08);border-color:var(--pri);color:var(--t-1);}
.btn-sm{min-height:38px;padding:0 18px;font-size:13.5px;}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--pri);font-size:14px;
  border-bottom:1px solid transparent;padding-bottom:2px;
}
.btn-link:hover{border-bottom-color:var(--pri);}

/* ===== 徽章 ===== */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-badge);
  font-size:12px;line-height:1;font-weight:500;letter-spacing:.02em;
}
.badge-primary{background:rgba(35,227,192,.12);color:var(--pri);border:1px solid rgba(35,227,192,.28);}
.badge-neutral{background:rgba(255,255,255,.06);color:var(--t-2);border:1px solid var(--c-line);}
.badge-warm{background:rgba(255,106,61,.12);color:var(--cor);border:1px solid rgba(255,106,61,.3);}
.badge-amber{background:rgba(255,196,77,.12);color:var(--amb);border:1px solid rgba(255,196,77,.3);}

/* ===== 导航 ===== */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(6,11,20,.72);
  transition:background-color .28s ease,box-shadow .28s ease,border-color .28s ease,backdrop-filter .28s ease;
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(8,15,26,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--c-line);
  box-shadow:0 10px 30px rgba(0,0,0,.35);
}
.nav-wrap{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:18px;
  max-width:1320px;margin:0 auto;padding:14px 32px;position:relative;
}
.nav-side{display:flex;align-items:center;gap:22px;}
.nav-side.right{justify-content:flex-end;}
.nav-link{
  font-size:14.5px;color:var(--t-2);position:relative;padding:6px 2px;
  transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--grad-pri);transform:scaleX(0);transform-origin:center;
  transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s;
}
.nav-link:hover{color:var(--t-1);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--t-1);}
.nav-link.is-active::after{transform:scaleX(1);box-shadow:0 0 12px rgba(35,227,192,.7);}
.brand{display:flex;align-items:center;gap:12px;justify-self:center;}
.brand-mark{
  width:42px;height:42px;border-radius:14px;display:grid;place-items:center;
  background:var(--grad-pri);color:#04201B;font-size:18px;
  box-shadow:0 0 0 1px rgba(35,227,192,.35),0 8px 22px rgba(35,227,192,.22);
  flex:0 0 auto;
}
.brand-text{display:block;font-size:16px;font-weight:700;letter-spacing:.01em;color:var(--t-1);}
.brand-sub{display:block;font-size:11.5px;color:var(--t-3);letter-spacing:.14em;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:var(--c-surface);border:1px solid var(--c-line);color:var(--t-1);
  cursor:pointer;align-items:center;justify-content:center;font-size:17px;
}
.nav-toggle:hover{border-color:var(--pri);color:var(--pri);}

/* ===== 分类 Hero ===== */
.cat-hero{position:relative;overflow:hidden;min-height:372px;display:flex;align-items:flex-end;border-bottom:1px solid var(--c-line);}
.cat-hero-bg{
  position:absolute;inset:0;background-size:cover;background-repeat:no-repeat;
  background-position:78% 32%;transform:scale(1.02);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,11,20,.58) 0%,rgba(6,11,20,.86) 58%,var(--c-bg-0) 100%);
}
.cat-hero-inner{position:relative;z-index:2;padding:96px 32px 56px;width:100%;max-width:var(--c-wide);margin:0 auto;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--t-3);margin-bottom:18px;flex-wrap:wrap;}
.breadcrumb a{color:var(--t-3);}
.breadcrumb a:hover{color:var(--pri);}
.breadcrumb span.sep{opacity:.6;}
.cat-hero h1{
  font-size:clamp(28px,4.2vw,46px);margin:16px 0 18px;max-width:820px;
  background:linear-gradient(120deg,#FFFFFF 25%,#BFF6EC 90%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.cat-hero-sub{color:var(--t-2);font-size:16.5px;max-width:660px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}

/* ===== Hero 数据条 ===== */
.hero-stats{margin-top:44px;}
.stat{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:14px;
  padding:16px 18px;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  height:100%;
}
.stat b{
  display:block;font-size:22px;font-weight:700;color:var(--pri);
  font-variant-numeric:tabular-nums;letter-spacing:.01em;
}
.stat span{display:block;font-size:13px;color:var(--t-3);margin-top:4px;}

/* ===== 简介 ===== */
.intro-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:48px;align-items:start;}
.intro-text p{color:var(--t-2);font-size:16px;margin-bottom:18px;}
.intro-text p:last-child{margin-bottom:0;}
.intro-side{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);
}
.intro-side h3{font-size:17px;margin-bottom:16px;}
.side-list li{
  display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed rgba(120,220,255,.12);
  font-size:14px;color:var(--t-2);
}
.side-list li:last-child{border-bottom:0;padding-bottom:0;}
.side-list i{color:var(--pri);margin-top:5px;font-size:13px;}
.side-list strong{color:var(--t-1);font-weight:500;display:block;}

/* ===== 时间轴 ===== */
.timeline{position:relative;margin-top:12px;}
.timeline::before{
  content:"";position:absolute;left:50%;top:10px;bottom:10px;width:2px;transform:translateX(-50%);
  background:linear-gradient(180deg,rgba(35,227,192,0),rgba(35,227,192,.45) 10%,rgba(74,168,255,.28) 52%,rgba(255,196,77,.35) 88%,rgba(255,196,77,0));
}
.tl-item{display:grid;grid-template-columns:1fr 88px 1fr;align-items:center;margin-bottom:38px;}
.tl-item:last-child{margin-bottom:0;}
.tl-axis{grid-column:2;grid-row:1;justify-self:center;position:relative;z-index:2;}
.tl-num{
  display:grid;place-items:center;width:56px;height:56px;border-radius:50%;
  background:var(--c-bg-1);border:1px solid var(--c-line-strong);color:var(--pri);
  font-size:18px;font-weight:500;
  box-shadow:0 0 0 7px rgba(6,11,20,.92);
}
.tl-card{
  grid-column:1;grid-row:1;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px;transition:transform .22s cubic-bezier(.2,.7,.3,1),border-color .22s,box-shadow .22s,background-color .22s;
}
.tl-card:hover{transform:translateY(-4px);border-color:var(--c-line-strong);box-shadow:var(--sh-2);background:var(--c-surface-2);}
.tl-item:nth-child(even) .tl-card{grid-column:3;}
.tl-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;flex-wrap:wrap;}
.tl-time{font-size:12.5px;color:var(--t-3);font-variant-numeric:tabular-nums;}
.tl-card h3{font-size:20px;margin-bottom:12px;color:var(--t-1);}
.tl-card p{color:var(--t-2);font-size:15px;}
.tl-meta{margin-top:16px;border-top:1px dashed rgba(120,220,255,.14);padding-top:14px;}
.tl-meta li{display:flex;gap:10px;font-size:13.5px;color:var(--t-2);padding:5px 0;}
.tl-meta i{color:var(--amb);margin-top:5px;font-size:12px;}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tl-tags span{
  font-size:12px;color:var(--t-2);background:rgba(255,255,255,.05);
  border:1px solid var(--c-line);border-radius:var(--r-badge);padding:3px 9px;
}
.tl-cover{
  margin-top:18px;border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/10;
  border:1px solid var(--c-line);
}
.tl-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.2,.7,.3,1);}
.tl-card:hover .tl-cover img{transform:scale(1.04);}

/* ===== 进度板块 ===== */
.progress-panel{
  background:
    linear-gradient(rgba(120,220,255,.05) 1px,transparent 1px) 0 0/100% 44px,
    linear-gradient(90deg,rgba(120,220,255,.05) 1px,transparent 1px) 0 0/44px 100%,
    var(--c-bg-1);
  border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:44px;display:grid;grid-template-columns:1.5fr 1fr;gap:52px;align-items:center;
}
.bar-row{margin-bottom:26px;}
.bar-row:last-child{margin-bottom:0;}
.bar-top{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:10px;}
.bar-top h3{font-size:15px;font-weight:500;color:var(--t-1);}
.bar-top em{font-style:normal;font-size:13px;color:var(--t-3);font-variant-numeric:tabular-nums;}
.bar{height:10px;border-radius:var(--r-pill);background:rgba(255,255,255,.06);overflow:hidden;position:relative;}
.bar i{display:block;height:100%;border-radius:var(--r-pill);background:var(--grad-warm);box-shadow:0 0 14px rgba(35,227,192,.35);}
.ring-wrap{display:flex;flex-direction:column;align-items:center;gap:16px;text-align:center;}
.ring{
  width:168px;height:168px;border-radius:50%;
  background:conic-gradient(var(--pri) 0 76%,rgba(255,255,255,.07) 76% 100%);
  display:grid;place-items:center;position:relative;
}
.ring::after{
  content:"";position:absolute;inset:14px;border-radius:50%;background:var(--c-bg-0);
  border:1px solid var(--c-line);
}
.ring span{position:relative;z-index:2;font-size:30px;font-weight:700;color:var(--t-1);font-variant-numeric:tabular-nums;}
.ring small{position:relative;z-index:2;display:block;font-size:12px;color:var(--t-3);text-align:center;}
.ring-label{font-size:13.5px;color:var(--t-2);}

/* ===== 检查点卡片 ===== */
.cp-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px;height:100%;
  transition:transform .22s cubic-bezier(.2,.7,.3,1),border-color .22s,box-shadow .22s;
}
.cp-card:hover{transform:translateY(-4px);border-color:var(--c-line-strong);box-shadow:var(--sh-2);}
.cp-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:rgba(35,227,192,.1);border:1px solid rgba(35,227,192,.26);color:var(--pri);
  font-size:18px;margin-bottom:18px;
}
.cp-card h3{font-size:18px;margin-bottom:10px;}
.cp-card p{color:var(--t-2);font-size:14.5px;}

/* ===== FAQ ===== */
.faq-list{max-width:860px;margin:0 auto;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:14px;
  margin-bottom:12px;overflow:hidden;transition:border-color .22s,background-color .22s;
}
.faq-item:hover{border-color:var(--c-line-strong);}
.faq-item[open]{border-color:rgba(35,227,192,.36);background:var(--c-surface-2);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 54px 20px 24px;position:relative;
  font-size:16px;font-weight:500;color:var(--t-1);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;border-radius:3px;
  background:var(--pri);opacity:.85;
}
.faq-item summary::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;
  position:absolute;right:22px;top:50%;transform:translateY(-50%);color:var(--t-3);
  transition:transform .24s ease,color .24s ease;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(180deg);color:var(--pri);}
.faq-body{padding:0 24px 22px 24px;color:var(--t-2);font-size:15px;border-top:1px dashed rgba(120,220,255,.14);margin-top:0;padding-top:18px;}

/* ===== CTA ===== */
.cta-panel{
  position:relative;border-radius:24px;padding:58px 44px;text-align:center;overflow:hidden;
  background:var(--c-surface);border:1px solid transparent;
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
}
.cta-panel::before{
  content:"";position:absolute;inset:0;border-radius:24px;padding:1px;
  background:linear-gradient(120deg,rgba(35,227,192,.7),rgba(255,196,77,.45),rgba(74,168,255,.4));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;
}
.cta-panel h2{font-size:clamp(22px,3vw,32px);margin-bottom:14px;}
.cta-panel p{color:var(--t-2);max-width:640px;margin:0 auto 30px;}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--c-bg-1);position:relative;padding:72px 0 28px;margin-top:24px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(35,227,192,.5),rgba(74,168,255,.35),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:44px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-text{font-size:16px;}
.footer-desc{color:var(--t-2);font-size:14px;max-width:380px;}
.footer-kw{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.footer-kw span{
  font-size:12px;color:var(--t-3);border:1px solid var(--c-line);border-radius:var(--r-badge);
  padding:3px 9px;background:rgba(255,255,255,.03);
}
.footer-col h3{font-size:15px;color:var(--t-1);margin-bottom:18px;font-weight:500;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul a{font-size:14px;color:var(--t-2);display:inline-block;padding-left:0;position:relative;}
.footer-col ul a::before{
  content:"";position:absolute;left:0;top:50%;width:0;height:2px;border-radius:2px;
  background:var(--pri);transform:translateY(-50%);transition:width .2s ease;
}
.footer-col ul a:hover{color:var(--t-1);padding-left:12px;}
.footer-col ul a:hover::before{width:6px;}
.footer-col p{font-size:13.5px;color:var(--t-2);margin-bottom:14px;}
.footer-form{display:flex;gap:10px;flex-wrap:wrap;}
.footer-form input{
  flex:1 1 150px;min-height:42px;border-radius:var(--r-input);
  background:rgba(255,255,255,.04);border:1px solid var(--c-line);color:var(--t-1);
  padding:0 14px;font-size:14px;transition:border-color .2s,box-shadow .2s;
}
.footer-form input::placeholder{color:var(--t-3);}
.footer-form input:focus{
  outline:none;border-color:var(--pri);box-shadow:0 0 0 3px rgba(35,227,192,.16) inset;
}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(120,220,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:var(--t-3);}
.fb-links{display:flex;gap:20px;flex-wrap:wrap;}
.fb-links a{font-size:13px;color:var(--t-3);}
.fb-links a:hover{color:var(--pri);}

/* ===== 响应式 ===== */
@media (max-width:1279px){
  .container{padding:0 28px;}
  .nav-wrap{padding:14px 28px;}
  .nav-side{gap:18px;}
  .cat-hero-inner{padding:88px 28px 52px;}
}
@media (max-width:1023px){
  .section{padding:64px 0;}
  .nav-wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;padding:12px 24px;row-gap:0;}
  .brand{order:1;justify-self:flex-start;}
  .nav-side.right{order:2;}
  .nav-side.left{order:3;width:100%;}
  .nav-toggle{display:inline-flex;position:fixed;top:15px;right:20px;z-index:140;}
  .nav-side.left,.nav-side.right .nav-link,.nav-side.right .btn{display:none;}
  .nav-side.right{display:flex;gap:10px;}
  body.nav-open .nav-wrap{
    background:rgba(6,11,20,.98);
    backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
    padding-bottom:26px;
  }
  body.nav-open .nav-side.left,
  body.nav-open .nav-side.right{
    display:flex;flex-direction:column;align-items:stretch;gap:2px;width:100%;
    border-top:1px solid rgba(120,220,255,.1);padding-top:10px;margin-top:10px;
  }
  body.nav-open .nav-side.right{order:2;margin-top:16px;}
  body.nav-open .nav-side.left{order:3;}
  body.nav-open .nav-side.right .nav-link,
  body.nav-open .nav-side.right .btn{display:flex;justify-content:flex-start;padding:12px 6px;}
  body.nav-open .nav-side.right .btn{margin-top:10px;justify-content:center;}
  body.nav-open .nav-link::after{display:none;}
  body.nav-open .nav-link.is-active{color:var(--pri);}
  .intro-grid{grid-template-columns:1fr;gap:32px;}
  .progress-panel{grid-template-columns:1fr;gap:38px;padding:34px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .cat-hero{min-height:340px;}
  .cat-hero-bg{background-position:70% 40%;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:52px 0;}
  body{font-size:15.5px;}
  .cat-hero{min-height:320px;}
  .cat-hero::after{background:linear-gradient(180deg,rgba(6,11,20,.72) 0%,rgba(6,11,20,.9) 60%,var(--c-bg-0) 100%);}
  .cat-hero-bg{background-position:62% 45%;}
  .cat-hero-inner{padding:80px 20px 44px;}
  .hero-actions .btn{width:100%;}
  .timeline::before{left:22px;transform:none;}
  .tl-item{grid-template-columns:46px 1fr;gap:16px;margin-bottom:26px;}
  .tl-axis{grid-column:1;grid-row:1;}
  .tl-card,
  .tl-item:nth-child(even) .tl-card{grid-column:2;grid-row:1;padding:20px;}
  .tl-num{width:44px;height:44px;font-size:16px;box-shadow:0 0 0 5px rgba(6,11,20,.95);}
  .cta-panel{padding:40px 22px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .bar-top{flex-direction:column;align-items:flex-start;gap:2px;}
  .hero-stats .cell{margin-bottom:12px;}
}
@media (max-width:575px){
  .cat-hero h1{font-size:26px;}
  .cat-hero-sub{font-size:15px;}
  .stat b{font-size:19px;}
  .section-title{font-size:21px;}
  .tl-card h3{font-size:17.5px;}
  .brand-text{font-size:14.5px;}
  .brand-sub{display:none;}
  .brand-mark{width:38px;height:38px;border-radius:12px;font-size:16px;}
  .faq-item summary{font-size:15px;padding:18px 46px 18px 20px;}
  .faq-body{padding:16px 20px 20px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category4 */
/* ===== 设计变量 ===== */
:root{
  --c-bg-0:#060B14;
  --c-bg-1:#0A1322;
  --c-bg-2:#0E1A2C;
  --c-surface:rgba(255,255,255,.05);
  --c-line:rgba(120,220,255,.14);
  --t-1:#EAF4F8;
  --t-2:#A9BCC9;
  --t-3:#6E8494;
  --c-main:#23E3C0;
  --c-main-d:#0E9C88;
  --c-sub:#FF6A3D;
  --c-amber:#FFC44D;
  --ok:#35D07F;
  --info:#4AA8FF;
  --grad-main:linear-gradient(120deg,#0E9C88,#23E3C0);
  --glow:0 0 0 1px rgba(35,227,192,.45),0 10px 30px rgba(35,227,192,.26);
  --sh-1:0 4px 14px rgba(3,8,18,.32);
  --sh-2:0 12px 34px rgba(3,8,18,.45);
  --sh-3:0 24px 60px rgba(3,8,18,.55);
  --r-card:18px;
  --r-btn:12px;
  --r-pill:999px;
  --r-img:16px;
  --r-badge:6px;
  --container:1200px;
  --ease:cubic-bezier(.2,.7,.3,1);
}

/* ===== 基础重置 ===== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg-0);
  color:var(--t-1);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;background:transparent;}
ul,ol{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4,p,figure{margin:0;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,select,textarea{font:inherit;color:inherit;}
table{border-collapse:collapse;}
:focus{outline:none;}
:focus-visible{outline:2px solid var(--c-main);outline-offset:3px;border-radius:4px;}
::selection{background:rgba(35,227,192,.3);color:#fff;}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:rgba(255,255,255,.03);}
::-webkit-scrollbar-thumb{background:rgba(120,220,255,.22);border-radius:999px;border:2px solid var(--c-bg-0);}
::-webkit-scrollbar-thumb:hover{background:rgba(35,227,192,.45);}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.show-for-sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;line-height:1;white-space:nowrap;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s var(--ease),filter .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease),box-shadow .22s var(--ease);
}
.btn-primary{background:var(--grad-main);color:#04140F;font-weight:700;box-shadow:var(--glow);}
.btn-primary:hover{filter:brightness(1.08);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{border-color:var(--c-line);border-radius:var(--r-btn);color:var(--t-1);background:rgba(255,255,255,.02);}
.btn-ghost:hover{background:rgba(35,227,192,.08);border-color:rgba(35,227,192,.5);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;color:var(--c-main);font-size:14px;
  position:relative;padding:6px 0;
}
.btn-text::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .28s var(--ease);}
.btn-text:hover::after{transform:scaleX(1);}

/* ===== 徽章 ===== */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-badge);font-size:12px;line-height:1;font-weight:500;letter-spacing:.02em;
}
.badge-main{background:rgba(35,227,192,.14);color:var(--c-main);border:1px solid rgba(35,227,192,.32);}
.badge-neutral{background:rgba(255,255,255,.05);color:var(--t-2);border:1px solid var(--c-line);}
.badge-sub{background:rgba(255,106,61,.14);color:var(--c-sub);border:1px solid rgba(255,106,61,.3);}
.badge-amber{background:rgba(255,196,77,.14);color:var(--c-amber);border:1px solid rgba(255,196,77,.3);}

/* ===== 头部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:transparent;
  transition:background .3s var(--ease),border-color .3s var(--ease),backdrop-filter .3s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(10,19,34,.74);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--c-line);
}
.nav-wrap{
  max-width:1320px;margin:0 auto;padding:14px 32px;
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:20px;
}
.nav-side{display:flex;align-items:center;gap:26px;}
.nav-side.right{justify-content:flex-end;}
.nav-link{
  position:relative;font-size:15px;color:var(--t-2);padding:8px 2px;
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--grad-main);box-shadow:0 0 12px rgba(35,227,192,.55);
  transform:scaleX(0);transform-origin:center;transition:transform .24s var(--ease);
}
.nav-link:hover{color:var(--t-1);}
.nav-link.is-active{color:var(--t-1);font-weight:500;}
.nav-link.is-active::after{transform:scaleX(1);}
.brand{display:flex;align-items:center;gap:11px;justify-self:center;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex:0 0 40px;
  display:grid;place-items:center;background:var(--grad-main);
  color:#04140F;font-size:17px;box-shadow:0 8px 22px rgba(35,227,192,.28);
}
.brand-text{display:block;font-size:17px;font-weight:700;line-height:1.2;letter-spacing:.01em;}
.brand-sub{display:block;font-size:12px;color:var(--t-3);letter-spacing:.08em;line-height:1.4;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--c-line);background:rgba(255,255,255,.04);color:var(--t-1);
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.nav-toggle:hover{background:rgba(35,227,192,.1);border-color:rgba(35,227,192,.45);}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:90;display:none;
  background:rgba(6,11,20,.98);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  padding:22px 20px 40px;overflow-y:auto;
  transform:translateY(-100%);transition:transform .34s var(--ease);
}
.mobile-drawer.is-open{transform:translateY(0);}
.md-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;}
.md-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);
  background:rgba(255,255,255,.04);color:var(--t-1);
}
.md-group{margin-bottom:26px;}
.md-title{font-size:12px;letter-spacing:.18em;color:var(--t-3);margin-bottom:10px;}
.md-group a{
  display:block;padding:14px 4px;font-size:17px;color:var(--t-1);
  border-bottom:1px solid rgba(120,220,255,.08);
}
.md-group a.is-current{color:var(--c-main);}
.md-group a:hover{color:var(--c-main);}

/* ===== 分类 Hero（矮版） ===== */
.cat-hero{
  position:relative;min-height:360px;display:flex;align-items:flex-end;
  padding:64px 0 52px;overflow:hidden;isolation:isolate;
}
.cat-hero-media{position:absolute;inset:0;z-index:-1;}
.cat-hero-media img{width:100%;height:100%;object-fit:cover;object-position:76% 38%;}
.cat-hero-media::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(1100px 460px at 12% 8%,rgba(35,227,192,.16),transparent 62%),
    linear-gradient(180deg,rgba(6,11,20,.70) 0%,rgba(6,11,20,.86) 58%,var(--c-bg-0) 100%);
}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--t-3);flex-wrap:wrap;}
.crumbs a{color:var(--t-3);transition:color .2s var(--ease);}
.crumbs a:hover{color:var(--c-main);}
.crumbs .sepa{color:rgba(110,132,148,.7);}
.crumbs .now{color:var(--t-2);}
.cat-hero h1{
  font-size:clamp(28px,4.2vw,46px);line-height:1.25;font-weight:700;
  margin-top:18px;letter-spacing:.01em;max-width:820px;
}
.hero-sub{color:var(--t-2);font-size:17px;margin-top:16px;max-width:640px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.stat-chip{
  min-width:150px;padding:13px 18px;border-radius:14px;
  background:var(--c-surface);border:1px solid var(--c-line);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
}
.stat-chip b{display:block;font-size:22px;font-weight:700;line-height:1.3;font-variant-numeric:tabular-nums;}
.stat-chip span{display:block;font-size:13px;color:var(--t-3);}
.stat-chip b .unit{font-size:13px;color:var(--t-2);font-weight:500;margin-left:3px;}

/* ===== 通用板块 ===== */
.section{padding:88px 0;}
.section-alt{background:var(--c-bg-1);}
.section-gridline{
  background-image:
    linear-gradient(rgba(120,220,255,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,220,255,.06) 1px,transparent 1px);
  background-size:44px 44px;
}
.section-head{max-width:740px;margin-bottom:44px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.22em;color:var(--c-main);
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--c-main);opacity:.7;}
.section-title{font-size:clamp(22px,3vw,32px);line-height:1.3;font-weight:700;margin-top:12px;}
.section-desc{color:var(--t-2);margin-top:14px;font-size:15.5px;}

/* 分类简介 */
.intro-grid{display:grid;grid-template-columns:1.35fr .85fr;gap:44px;align-items:start;}
.intro-grid p{color:var(--t-2);font-size:15.5px;}
.intro-grid p + p{margin-top:16px;}
.intro-note{
  padding:26px;border-radius:var(--r-card);
  background:var(--c-surface);border:1px solid var(--c-line);
}
.intro-note h3{font-size:17px;font-weight:700;margin-bottom:14px;}
.intro-note li{
  position:relative;padding-left:20px;color:var(--t-2);font-size:14.5px;padding-top:6px;padding-bottom:6px;
}
.intro-note li::before{
  content:"";position:absolute;left:0;top:16px;width:8px;height:8px;border-radius:2px;background:var(--grad-main);
}

/* 交替长条 */
.alt-list{display:flex;flex-direction:column;gap:56px;}
.alt-row{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.alt-row.rev .alt-media{order:2;}
.alt-media{
  border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/10;
  border:1px solid var(--c-line);box-shadow:var(--sh-2);background:var(--c-bg-2);
}
.alt-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease);}
.alt-row:hover .alt-media img{transform:scale(1.03);}
.alt-num{font-size:13px;letter-spacing:.2em;color:var(--c-main);}
.alt-body h3{font-size:20px;font-weight:700;line-height:1.4;margin:12px 0 12px;}
.alt-body p{color:var(--t-2);font-size:15.5px;}
.alt-points{margin-top:18px;display:flex;flex-direction:column;gap:10px;}
.alt-points li{position:relative;padding-left:20px;color:var(--t-2);font-size:15px;}
.alt-points li::before{
  content:"";position:absolute;left:0;top:12px;width:8px;height:8px;border-radius:2px;background:var(--grad-main);
}
.alt-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}

/* 进度参考 */
.progress-grid{display:grid;grid-template-columns:1.4fr .8fr;gap:52px;align-items:center;}
.pbar + .pbar{margin-top:24px;}
.pbar-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;font-size:14px;color:var(--t-2);margin-bottom:10px;}
.pbar-head b{color:var(--t-1);font-variant-numeric:tabular-nums;font-size:15px;}
.pbar-track{height:10px;border-radius:var(--r-pill);background:rgba(255,255,255,.06);border:1px solid var(--c-line);overflow:hidden;}
.pbar-fill{height:100%;border-radius:var(--r-pill);background:linear-gradient(90deg,#23E3C0,#FFC44D);box-shadow:0 0 14px rgba(35,227,192,.35);}
.ring-wrap{display:flex;flex-direction:column;align-items:center;gap:18px;}
.ring{
  width:190px;height:190px;border-radius:50%;position:relative;display:grid;place-items:center;
  background:conic-gradient(#23E3C0 0 68%,rgba(255,255,255,.08) 68% 100%);
}
.ring::before{content:"";position:absolute;inset:14px;border-radius:50%;background:var(--c-bg-1);}
.ring-inner{position:relative;text-align:center;}
.ring-inner b{font-size:34px;font-weight:700;font-variant-numeric:tabular-nums;display:block;line-height:1.2;}
.ring-inner span{font-size:13px;color:var(--t-3);}
.ring-cap{font-size:13.5px;color:var(--t-3);text-align:center;max-width:240px;}

/* 准备清单 */
.check-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:22px;}
.check-card{
  padding:26px;border-radius:var(--r-card);background:rgba(255,255,255,.035);
  border:1px solid var(--c-line);box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.check-card:hover{transform:translateY(-4px);border-color:rgba(35,227,192,.5);box-shadow:var(--sh-2);}
.check-icon{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:rgba(35,227,192,.12);color:var(--c-main);font-size:17px;margin-bottom:16px;
}
.check-card h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.check-card p{font-size:14.5px;color:var(--t-2);}

/* FAQ */
.faq-wrap{max-width:900px;}
.acc details{
  border:1px solid var(--c-line);border-radius:14px;background:rgba(255,255,255,.03);
  margin-bottom:12px;overflow:hidden;transition:border-color .22s var(--ease),background .22s var(--ease);
}
.acc details[open]{border-color:rgba(35,227,192,.42);background:rgba(35,227,192,.045);}
.acc summary{
  list-style:none;cursor:pointer;position:relative;
  padding:19px 24px 19px 30px;font-size:16px;font-weight:500;
  transition:color .2s var(--ease);
}
.acc summary::-webkit-details-marker{display:none;}
.acc summary::before{
  content:"";position:absolute;left:14px;top:22px;width:3px;height:18px;border-radius:2px;background:var(--c-main);
}
.acc summary::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;
  position:absolute;right:20px;top:22px;color:var(--t-3);transition:transform .24s var(--ease),color .24s var(--ease);
}
.acc details[open] summary{color:var(--c-main);}
.acc details[open] summary::after{transform:rotate(180deg);color:var(--c-main);}
.acc-body{padding:0 24px 20px 30px;color:var(--t-2);font-size:15px;}

/* CTA 面板 */
.cta-panel{
  position:relative;border-radius:24px;padding:60px 32px;text-align:center;
  background:var(--c-surface);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  box-shadow:var(--sh-3);
}
.cta-panel::before{
  content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;
  background:linear-gradient(120deg,rgba(35,227,192,.65),rgba(255,106,61,.42),rgba(35,227,192,.35));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;
}
.cta-panel h2{font-size:clamp(22px,3vw,30px);font-weight:700;line-height:1.35;}
.cta-panel p{color:var(--t-2);margin:14px auto 0;max-width:620px;font-size:15.5px;}
.cta-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;margin-top:30px;}

/* ===== 页脚 ===== */
.site-footer{
  position:relative;background:var(--c-bg-1);padding:68px 0 0;margin-top:0;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(35,227,192,.55),rgba(255,106,61,.35),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.3fr;gap:44px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-desc{color:var(--t-2);font-size:14.5px;max-width:420px;}
.footer-kw{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.footer-kw span{
  font-size:12px;color:var(--t-3);border:1px solid var(--c-line);
  border-radius:var(--r-badge);padding:4px 10px;line-height:1.2;
}
.footer-col h3{font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-col p{color:var(--t-2);font-size:14px;}
.footer-col ul li a{
  display:inline-block;position:relative;padding:7px 0;font-size:14px;color:var(--t-2);
  transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.footer-col ul li a:hover{color:var(--t-1);padding-left:10px;}
.footer-col ul li a:hover::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:2px;height:14px;border-radius:2px;background:var(--c-main);
}
.footer-form{display:flex;gap:8px;margin-top:14px;}
.footer-form input{
  flex:1;min-width:0;min-height:44px;padding:0 14px;border-radius:12px;
  background:rgba(255,255,255,.04);border:1px solid var(--c-line);color:var(--t-1);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.footer-form input::placeholder{color:var(--t-3);}
.footer-form input:focus{
  border-color:rgba(35,227,192,.6);background:rgba(35,227,192,.06);
  box-shadow:inset 0 0 0 1px rgba(35,227,192,.35);
}
.footer-bottom{
  margin-top:52px;padding:20px 0 26px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--t-3);
}
.fb-links{display:flex;gap:18px;flex-wrap:wrap;}
.fb-links a{color:var(--t-3);transition:color .2s var(--ease);}
.fb-links a:hover{color:var(--c-main);}

/* ===== 响应式 ===== */
@media (min-width:1440px){
  .container{max-width:1320px;}
}
@media (max-width:1279px){
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:36px;}
  .footer-col:last-child{grid-column:1 / -1;}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .section{padding:64px 0;}
  .progress-grid{grid-template-columns:1fr;gap:40px;}
  .intro-grid{grid-template-columns:1fr;gap:30px;}
  .alt-row{grid-template-columns:1fr;gap:26px;}
  .alt-row.rev .alt-media{order:0;}
  .check-grid{grid-template-columns:1fr 1fr;}
  .nav-wrap{padding:12px 24px;}
  .nav-side{gap:18px;}
  .nav-link{font-size:14.5px;}
  .brand-text{font-size:16px;}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .container{padding:0 20px;}
  .section{padding:52px 0;}
  .nav-side{display:none;}
  .site-header{background:rgba(6,11,20,.86);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--c-line);}
  .nav-wrap{grid-template-columns:auto 1fr auto;padding:10px 20px;gap:12px;}
  .brand{grid-column:2;justify-self:center;}
  .nav-toggle{display:grid;place-items:center;justify-self:end;grid-column:3;}
  .mobile-drawer{display:block;}
  .brand-sub{display:none;}
  .brand-text{font-size:15px;}
  .cat-hero{min-height:320px;padding:48px 0 40px;}
  .cat-hero-media::after{
    background:
      radial-gradient(700px 320px at 70% 6%,rgba(35,227,192,.14),transparent 62%),
      linear-gradient(180deg,rgba(6,11,20,.80) 0%,rgba(6,11,20,.92) 60%,var(--c-bg-0) 100%);
  }
  .cat-hero-media img{object-position:62% 30%;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{flex:1 1 auto;}
  .hero-stats{gap:10px;margin-top:26px;}
  .stat-chip{min-width:calc(50% - 5px);flex:1 1 calc(50% - 5px);padding:11px 14px;}
  .stat-chip b{font-size:19px;}
  .check-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-col:last-child{grid-column:auto;}
  .footer-form{flex-direction:column;}
  .footer-form .btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-panel{padding:44px 22px;border-radius:20px;}
  .cta-actions .btn{flex:1 1 100%;}
  .alt-list{gap:44px;}
  .acc summary{font-size:15.5px;padding:16px 22px 16px 28px;}
  .acc-body{padding:0 22px 18px 28px;}
}
@media (max-width:575px){
  .cat-hero h1{font-size:27px;}
  .hero-sub{font-size:15.5px;}
  .stat-chip{flex:1 1 100%;min-width:100%;}
  .ring{width:164px;height:164px;}
  .ring-inner b{font-size:29px;}
  .section-head{margin-bottom:32px;}
}