/* roulang page: index */
:root{
  --c-primary:#0E8C7F;
  --c-primary-d:#0A6A60;
  --c-primary-l:#E4F4F1;
  --c-accent:#F2703A;
  --c-accent-l:#FDEDE5;
  --c-ink:#10161A;
  --c-ink-2:#16232A;
  --c-text:#1C2226;
  --c-sub:#5A666E;
  --c-line:#E6E2D9;
  --c-bg:#F6F3EC;
  --c-card:#FFFFFF;
  --c-ok:#2E9E6B;
  --c-warn:#C8871A;
  --r-card:16px;
  --r-img:14px;
  --r-tag:6px;
  --r-pill:999px;
  --sh1:0 2px 8px rgba(16,22,26,.06);
  --sh2:0 10px 28px rgba(16,22,26,.10);
  --sh3:0 20px 50px rgba(16,22,26,.16);
  --sec-pad:64px;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-num:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  --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;padding:0;
  font-family:var(--font-sans);
  font-size:16px;line-height:1.9;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{font-family:var(--font-sans);color:var(--c-ink);margin:0;line-height:1.28;letter-spacing:-.02em;font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease);}
img{max-width:100%;height:auto;display:block;border:0;}
button{font-family:inherit;font-size:inherit;border:0;background:none;cursor:pointer;color:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
::selection{background:var(--c-primary);color:#fff;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.grid-x{margin-left:-12px;margin-right:-12px;}
.grid-x > .cell{padding-left:12px;padding-right:12px;}

/* ---------- 通用元件 ---------- */
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.16em;
  color:var(--c-primary-d);text-transform:uppercase;
}
.eyebrow--light{color:#7FD8CC;}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-tag);background:var(--c-primary-l);color:var(--c-primary-d);
  font-size:12px;font-weight:600;letter-spacing:.04em;white-space:nowrap;
}
.tag--accent{background:var(--c-accent-l);color:#C24E1C;}
.tag--ink{background:rgba(255,255,255,.12);color:#CFEDE8;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.01em;white-space:nowrap;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),
             background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn:hover{transform:translateY(-1px);}
.btn:active{transform:scale(.98);}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh1);}
.btn-primary:hover{background:var(--c-primary-d);color:#fff;box-shadow:var(--sh2);}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:var(--sh1);}
.btn-accent:hover{background:#DA5F2C;color:#fff;box-shadow:var(--sh2);}
.btn-ghost{background:transparent;color:#F3EFE7;border-color:rgba(243,239,231,.42);}
.btn-ghost:hover{background:rgba(243,239,231,.12);border-color:#F3EFE7;color:#fff;}
.btn-outline{background:#fff;color:var(--c-primary-d);border-color:var(--c-primary);}
.btn-outline:hover{background:var(--c-primary-l);color:var(--c-primary-d);}
.btn-lg{height:52px;padding:0 30px;font-size:16px;}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,243,236,.9);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .28s var(--ease),background-color .28s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh2);background:rgba(246,243,236,.97);}
.header-inner{display:flex;align-items:center;gap:28px;height:72px;transition:height .28s var(--ease);}
.site-header.is-scrolled .header-inner{height:60px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:50%;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(150deg,var(--c-primary),var(--c-primary-d));
  box-shadow:0 4px 12px rgba(14,140,127,.28);
}
.brand-mark svg{width:20px;height:20px;display:block;}
.brand-text{font-size:19px;font-weight:700;letter-spacing:-.02em;color:var(--c-ink);}
.main-nav{margin-left:auto;display:flex;align-items:center;gap:22px;}
.nav-link{
  position:relative;font-size:14.5px;font-weight:500;color:var(--c-sub);padding:6px 0;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;
  transition:transform .26s var(--ease);
}
.nav-link:hover{color:var(--c-primary-d);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--c-primary-d);font-weight:700;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-cta{margin-left:6px;}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--c-ink);color:#F3EFE7;overflow:hidden;padding:84px 0 68px;}
.hero__bg{
  position:absolute;inset:0;
  background-image:linear-gradient(102deg,rgba(16,22,26,.95) 0%,rgba(16,22,26,.82) 44%,rgba(16,22,26,.58) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.hero__inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:48px;align-items:center;}
.hero__title{
  color:#fff;font-size:clamp(2.1rem,5vw,3.6rem);line-height:1.15;letter-spacing:-.02em;font-weight:800;
  margin:18px 0 0;
}
.hero__sub{font-size:clamp(1rem,1.6vw,1.15rem);color:rgba(243,239,231,.78);margin-top:18px;letter-spacing:.01em;}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero__stats{
  display:flex;flex-wrap:wrap;gap:44px;margin-top:40px;padding-top:26px;
  border-top:1px solid rgba(243,239,231,.16);
}
.hero__stats .num{
  display:block;font-family:var(--font-num);font-size:30px;font-weight:700;
  line-height:1.1;color:#fff;letter-spacing:-.02em;
}
.hero__stats .lbl{font-size:13px;color:rgba(243,239,231,.62);letter-spacing:.06em;}
.hero__visual{display:flex;justify-content:center;}
.orbit{position:relative;width:min(400px,100%);aspect-ratio:1/1;}
.orbit::before{
  content:"";position:absolute;inset:0;border-radius:50%;
  background:repeating-conic-gradient(from 0deg,rgba(243,239,231,.24) 0deg 1.4deg,transparent 1.4deg 11deg);
  -webkit-mask:radial-gradient(closest-side,transparent 91%,#000 91.5%,#000 100%,transparent 100%);
  mask:radial-gradient(closest-side,transparent 91%,#000 91.5%,#000 100%,transparent 100%);
  animation:spin 42s linear infinite;
}
.orbit__ring{position:absolute;border-radius:50%;border:1px solid rgba(243,239,231,.16);}
.orbit__ring--a{inset:9%;border-color:rgba(14,140,127,.6);animation:spin 28s linear infinite;}
.orbit__ring--b{inset:21%;border-style:dashed;border-color:rgba(242,112,58,.52);animation:spin 36s linear infinite reverse;}
.orbit__ring--c{inset:33%;border-color:rgba(243,239,231,.22);}
.orbit__core{
  position:absolute;inset:39%;border-radius:50%;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  background:linear-gradient(155deg,var(--c-primary),var(--c-primary-d));
  color:#fff;box-shadow:0 22px 48px rgba(14,140,127,.36);
}
.orbit__core b{font-family:var(--font-num);font-size:clamp(1.9rem,5.5vw,2.8rem);line-height:1;font-weight:700;}
.orbit__core small{font-size:12px;letter-spacing:.34em;opacity:.86;margin-top:6px;text-indent:.34em;}
@keyframes spin{to{transform:rotate(360deg);}}
@media (prefers-reduced-motion:reduce){
  .orbit::before,.orbit__ring--a,.orbit__ring--b{animation:none;}
  .reveal{opacity:1;transform:none;}
}

/* ---------- 板块通用 ---------- */
.section{padding:var(--sec-pad) 0;}
.section--paper{background:#fff;}
.section--ink{background:var(--c-ink);color:rgba(243,239,231,.78);}
.section--ink h2,.section--ink h3{color:#fff;}
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;flex-wrap:wrap;margin-bottom:34px;
}
.sec-head h2{font-size:1.6rem;font-weight:700;margin-top:10px;}
.sec-note{font-size:14.5px;color:var(--c-sub);max-width:520px;}
.section--ink .sec-note{color:rgba(243,239,231,.66);}
.sec-divider{height:1px;background:var(--c-line);border:0;margin:0;}

/* ---------- 入口导航卡 ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.entry-card{
  position:relative;display:flex;flex-direction:column;background:var(--c-card);
  border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:#BFE2DC;}
.entry-card--lead{grid-column:span 2;grid-row:span 2;}
.entry-card__media{overflow:hidden;aspect-ratio:16/9;background:var(--c-primary-l);}
.entry-card--lead .entry-card__media{aspect-ratio:16/7.6;}
.entry-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .55s var(--ease);}
.entry-card:hover .entry-card__media img{transform:scale(1.04);}
.entry-card__body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.entry-card--lead .entry-card__body{padding:28px;gap:14px;}
.entry-card__body h3{font-size:1.03rem;font-weight:700;}
.entry-card--lead .entry-card__body h3{font-size:1.4rem;}
.entry-card__body p{font-size:14px;color:var(--c-sub);line-height:1.75;}
.entry-card--lead .entry-card__body p{font-size:15px;max-width:520px;}
.entry-card__icon{
  width:42px;height:42px;border-radius:12px;background:var(--c-primary-l);color:var(--c-primary-d);
  display:flex;align-items:center;justify-content:center;font-size:17px;
}
.entry-card__more{
  margin-top:auto;display:inline-flex;align-items:center;gap:7px;
  font-size:13px;font-weight:600;color:var(--c-primary-d);
}
.entry-card__more i{transition:transform .28s var(--ease);}
.entry-card:hover .entry-card__more i{transform:translateX(4px);}

/* ---------- 玩法编号流 ---------- */
.play-list{display:grid;}
.play-item{
  display:grid;grid-template-columns:96px minmax(0,1fr);gap:30px;
  padding:30px 0;border-top:1px solid var(--c-line);
}
.play-item:last-child{border-bottom:1px solid var(--c-line);}
.play-item__num{
  font-family:var(--font-num);font-size:34px;font-weight:700;line-height:1;
  color:var(--c-primary);letter-spacing:-.03em;
}
.play-item__body h3{font-size:1.15rem;font-weight:600;margin-bottom:8px;}
.play-item__body > p{color:var(--c-sub);font-size:15px;max-width:680px;}
.play-item__points{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:14px;}
.play-item__points li{position:relative;padding-left:16px;font-size:14px;color:var(--c-text);}
.play-item__points li::before{
  content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;
  border-radius:50%;background:var(--c-accent);
}

/* ---------- 奖励档位 ---------- */
.reward-grid{display:grid;grid-template-columns:1.32fr 1fr;gap:20px;}
.reward-card{
  position:relative;display:flex;flex-direction:column;background:var(--c-card);
  border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.reward-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:#BFE2DC;}
.reward-card--wide{grid-column:1 / -1;flex-direction:row;align-items:stretch;}
.reward-card__media{overflow:hidden;aspect-ratio:16/9;background:var(--c-primary-l);}
.reward-card--wide .reward-card__media{flex:0 0 38%;aspect-ratio:auto;}
.reward-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .55s var(--ease);}
.reward-card:hover .reward-card__media img{transform:scale(1.04);}
.reward-badge{
  position:absolute;top:16px;left:16px;z-index:2;
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--r-tag);background:var(--c-accent);color:#fff;
  font-size:12px;font-weight:700;letter-spacing:.06em;
}
.reward-card__body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.reward-card__body h3{font-size:1.12rem;}
.reward-card__body p{font-size:14px;color:var(--c-sub);}
.reward-card__num{
  font-family:var(--font-num);font-size:2.3rem;font-weight:700;color:var(--c-ink);
  line-height:1;letter-spacing:-.03em;
}
.reward-card__num small{font-size:13px;font-family:var(--font-sans);color:var(--c-sub);font-weight:500;margin-left:6px;letter-spacing:0;}
.reward-list{display:grid;gap:8px;margin-top:2px;}
.reward-list li{
  position:relative;padding-left:20px;font-size:14px;color:var(--c-text);
}
.reward-list li::before{
  content:"";position:absolute;left:0;top:.68em;width:8px;height:8px;border-radius:2px;
  background:var(--c-primary-l);border:1.5px solid var(--c-primary);
}

/* ---------- 任务进度 ---------- */
.progress-wrap{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:48px;align-items:center;}
.ring-box{position:relative;width:230px;height:230px;margin:0 auto;}
.ring-svg{width:100%;height:100%;transform:rotate(-90deg);}
.ring-track{fill:none;stroke:var(--c-line);stroke-width:14;}
.ring-bar{fill:none;stroke:var(--c-primary);stroke-width:14;stroke-linecap:round;transition:stroke-dashoffset 1.2s var(--ease);}
.ring-center{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;}
.ring-center b{font-family:var(--font-num);font-size:2.5rem;line-height:1;color:var(--c-ink);}
.ring-center span{font-size:13px;color:var(--c-sub);letter-spacing:.08em;margin-top:8px;}
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;}
.step{
  background:#fff;border:1px solid var(--c-line);border-radius:12px;padding:18px;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.step:hover{box-shadow:var(--sh1);}
.step.is-done{border-color:#BFE2DC;background:var(--c-primary-l);}
.step.is-active{border-color:var(--c-accent);background:var(--c-accent-l);}
.step__idx{font-family:var(--font-num);font-size:13px;letter-spacing:.12em;color:var(--c-sub);}
.step h4{font-size:15px;margin:8px 0 6px;font-weight:600;}
.step p{font-size:13px;color:var(--c-sub);line-height:1.7;}
.step__state{display:inline-block;margin-top:10px;font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--c-ok);}
.step.is-active .step__state{color:#C24E1C;}
.progress-note{font-size:14px;color:var(--c-sub);margin-top:18px;}

/* ---------- 最新信息 ---------- */
.news-list{display:grid;gap:20px;}
.news-feature{
  display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.news-feature:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:#BFE2DC;}
.news-feature__media{overflow:hidden;background:var(--c-primary-l);aspect-ratio:16/10;}
.news-feature__media img{width:100%;height:100%;object-fit:cover;transition:transform .55s var(--ease);}
.news-feature:hover .news-feature__media img{transform:scale(1.04);}
.news-feature__body{padding:28px;display:flex;flex-direction:column;gap:12px;}
.news-feature__body h3{
  font-size:1.26rem;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-feature__body p{
  font-size:14.5px;color:var(--c-sub);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--c-sub);}
.news-meta .time{font-family:var(--font-num);letter-spacing:.02em;}
.news-timeline{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;}
.news-timeline li + li{border-top:1px solid var(--c-line);}
.news-item{
  display:grid;grid-template-columns:102px minmax(0,1fr) 22px;gap:20px;align-items:center;
  padding:18px 22px;transition:background-color .22s var(--ease);
}
.news-item:hover{background:var(--c-primary-l);}
.news-item__thumb{width:102px;height:68px;border-radius:10px;overflow:hidden;background:var(--c-primary-l);}
.news-item__thumb img{width:100%;height:100%;object-fit:cover;}
.news-item__body h3{
  font-size:1rem;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
}
.news-item__body p{
  font-size:13.5px;color:var(--c-sub);margin-top:4px;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
}
.news-item__arrow{color:var(--c-sub);font-size:13px;transition:transform .24s var(--ease),color .24s var(--ease);}
.news-item:hover .news-item__arrow{transform:translateX(3px);color:var(--c-primary-d);}
.empty-state{
  padding:56px 24px;text-align:center;background:var(--c-card);
  border:1px dashed var(--c-line);border-radius:var(--r-card);
}
.empty-state__ring{
  width:74px;height:74px;margin:0 auto 18px;border-radius:50%;
  border:2px dashed var(--c-primary);opacity:.55;
}
.empty-state p{color:var(--c-sub);margin-bottom:18px;}

/* ---------- 数据条 ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:26px;margin-top:8px;}
.metric{border-left:2px solid rgba(14,140,127,.55);padding-left:16px;}
.metric b{display:block;font-family:var(--font-num);font-size:2rem;color:#fff;line-height:1.1;letter-spacing:-.02em;}
.metric span{font-size:13px;color:rgba(243,239,231,.62);letter-spacing:.06em;}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px;max-width:900px;}
.faq-item{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:12px;overflow:hidden;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item.is-open{border-color:#BFE2DC;box-shadow:var(--sh1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;text-align:left;font-size:15.5px;font-weight:600;color:var(--c-ink);
}
.faq-q:hover{color:var(--c-primary-d);}
.faq-q i{color:var(--c-primary);font-size:14px;transition:transform .3s var(--ease);flex:0 0 auto;}
.faq-item.is-open .faq-q i{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s var(--ease);}
.faq-a__inner{padding:0 22px 20px;font-size:15px;color:var(--c-sub);line-height:1.85;}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;border-radius:24px;padding:48px;
  background:linear-gradient(118deg,var(--c-ink) 0%,#14343A 58%,#0C3B38 100%);
  display:flex;align-items:center;justify-content:space-between;gap:36px;
}
.cta-card::after{
  content:"";position:absolute;right:-70px;top:-70px;width:280px;height:280px;border-radius:50%;
  border:26px solid rgba(242,112,58,.16);
}
.cta-card::before{
  content:"";position:absolute;right:80px;bottom:-90px;width:200px;height:200px;border-radius:50%;
  border:1px solid rgba(14,140,127,.5);
}
.cta-card__copy{position:relative;z-index:2;max-width:620px;}
.cta-card h2{color:#fff;font-size:1.7rem;line-height:1.35;}
.cta-card p{color:rgba(243,239,231,.76);font-size:15px;margin-top:12px;}
.cta-card .btn{position:relative;z-index:2;}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;background:var(--c-ink);color:rgba(243,239,231,.72);
  padding:60px 0 0;margin-top:0;overflow:hidden;
}
.site-footer::after{
  content:"";position:absolute;left:-90px;bottom:-120px;width:300px;height:300px;
  border-radius:50%;border:1px solid rgba(14,140,127,.28);pointer-events:none;
}
.footer-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{font-size:14px;margin-top:16px;max-width:310px;line-height:1.8;color:rgba(243,239,231,.66);}
.footer-rings{display:flex;gap:8px;margin-top:22px;}
.footer-rings span{width:14px;height:14px;border-radius:50%;border:1.5px solid rgba(14,140,127,.6);}
.footer-rings span:nth-child(2){border-color:rgba(242,112,58,.6);}
.footer-rings span:nth-child(3){border-color:rgba(243,239,231,.35);}
.footer-col h4{color:#fff;font-size:14px;letter-spacing:.08em;margin-bottom:18px;font-weight:700;}
.footer-col li{margin-bottom:11px;}
.footer-col a{font-size:14px;color:rgba(243,239,231,.7);}
.footer-col a:hover{color:#fff;}
.footer-col span{font-size:13.5px;color:rgba(243,239,231,.56);line-height:1.7;display:block;}
.footer-bottom{
  position:relative;z-index:2;margin-top:46px;border-top:1px solid rgba(243,239,231,.12);
  padding:20px 0;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(243,239,231,.5);
}

/* ---------- 移动底部 Tab / 返回顶部 ---------- */
.mobile-tab{display:none;}
.to-top{
  position:fixed;right:24px;bottom:32px;z-index:70;width:46px;height:46px;border-radius:50%;
  background:var(--c-primary);color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh2);opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .28s var(--ease),transform .28s var(--ease),visibility .28s;
}
.to-top.is-show{opacity:1;visibility:visible;transform:none;}
.to-top:hover{background:var(--c-primary-d);color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero__inner{gap:36px;}
  .entry-grid{gap:16px;}
}
@media (max-width:991px){
  :root{--sec-pad:52px;}
  .main-nav{gap:14px;}
  .nav-link{font-size:13.5px;}
  .nav-cta{display:none;}
  .hero{padding:72px 0 58px;}
  .hero__inner{grid-template-columns:1fr;gap:44px;}
  .hero__visual{justify-content:flex-start;}
  .orbit{width:min(300px,78%);}
  .entry-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .entry-card--lead{grid-column:span 2;grid-row:auto;}
  .reward-grid{grid-template-columns:1fr;}
  .reward-card--wide{flex-direction:column;}
  .reward-card--wide .reward-card__media{flex:none;aspect-ratio:16/8;}
  .progress-wrap{grid-template-columns:1fr;gap:36px;}
  .news-feature{grid-template-columns:1fr;}
  .metrics{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:767px){
  :root{--sec-pad:42px;}
  body{padding-bottom:76px;}
  .main-nav{display:none;}
  .header-inner{height:62px;gap:16px;}
  .site-header.is-scrolled .header-inner{height:58px;}
  .hero{padding:56px 0 48px;}
  .hero__stats{gap:28px;margin-top:32px;padding-top:22px;}
  .hero__stats .num{font-size:25px;}
  .play-item{grid-template-columns:60px minmax(0,1fr);gap:16px;padding:24px 0;}
  .play-item__num{font-size:26px;}
  .steps{grid-template-columns:1fr;}
  .ring-box{width:190px;height:190px;}
  .news-item{grid-template-columns:76px minmax(0,1fr);gap:14px;padding:16px;}
  .news-item__thumb{width:76px;height:56px;}
  .news-item__arrow{display:none;}
  .cta-card{flex-direction:column;align-items:flex-start;padding:34px 26px;gap:24px;}
  .cta-card h2{font-size:1.4rem;}
  .mobile-tab{
    position:fixed;left:0;right:0;bottom:0;z-index:80;display:grid;grid-template-columns:repeat(5,1fr);
    background:rgba(255,255,255,.97);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
    border-top:1px solid var(--c-line);padding-bottom:env(safe-area-inset-bottom);
  }
  .mobile-tab a{
    position:relative;display:flex;flex-direction:column;align-items:center;gap:4px;
    padding:10px 0 9px;font-size:11px;color:var(--c-sub);letter-spacing:.02em;
  }
  .mobile-tab a i{font-size:17px;}
  .mobile-tab a.is-active{color:var(--c-primary-d);font-weight:700;}
  .mobile-tab a.is-active::before{
    content:"";position:absolute;top:0;left:24%;right:24%;height:2px;
    background:var(--c-primary);border-radius:2px;
  }
  .to-top{right:16px;bottom:88px;width:42px;height:42px;}
}
@media (max-width:576px){
  .container{padding:0 16px;}
  .sec-head h2{font-size:1.35rem;}
  .entry-grid{grid-template-columns:1fr;}
  .entry-card--lead{grid-column:span 1;}
  .hero__actions .btn{flex:1 1 auto;}
  .metrics{grid-template-columns:1fr;gap:18px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .news-feature__body{padding:20px;}
  .reward-card__body{padding:20px;}
}

/* roulang page: category1 */
:root{
  --c-main:#0E8C7F;
  --c-main-dark:#0A6A60;
  --c-main-light:#E4F4F1;
  --c-accent:#F2703A;
  --c-accent-light:#FDEDE5;
  --c-ink:#10161A;
  --c-text:#1C2226;
  --c-text-sub:#5A666E;
  --c-line:#E6E2D9;
  --c-paper:#F6F3EC;
  --c-card:#FFFFFF;
  --c-ok:#2E9E6B;
  --c-warn:#C8871A;
  --r-card:16px;
  --r-btn:999px;
  --r-img:14px;
  --r-tag:6px;
  --sh1:0 2px 8px rgba(16,22,26,.06);
  --sh2:0 10px 28px rgba(16,22,26,.10);
  --sh3:0 20px 50px rgba(16,22,26,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"DIN Alternate","SFMono-Regular",Consolas,"Roboto Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.9;
  color:var(--c-text);
  background:var(--c-paper);
  padding-bottom:0;
}
img{max-width:100%;height:auto;display:block;border-radius:var(--r-img);}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-main);outline-offset:2px;border-radius:4px;}
.container{max-width:1200px;margin:0 auto;padding:0 20px;width:100%;}
.section{padding:64px 0;}
.section-tight{padding:44px 0;}
.section-head{margin-bottom:28px;}
.eyebrow{
  font-size:13px;line-height:1.6;letter-spacing:.06em;
  color:var(--c-main);font-weight:600;text-transform:uppercase;display:block;margin-bottom:8px;
}
h1{font-size:clamp(1.8rem,4vw,2.8rem);line-height:1.2;letter-spacing:-.02em;font-weight:800;}
h2{font-size:1.6rem;line-height:1.35;font-weight:700;letter-spacing:-.01em;}
h3{font-size:1.15rem;line-height:1.5;font-weight:600;}
.lead{font-size:1.02rem;color:var(--c-text-sub);max-width:60ch;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:-.01em;}

/* ============ Header ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,243,236,.9);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s var(--ease),height .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh2);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;transition:height .25s var(--ease);}
.site-header.is-scrolled .header-inner{height:60px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:12px;
  background:linear-gradient(140deg,var(--c-main),var(--c-main-dark));
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--sh1);
}
.brand-mark svg{width:22px;height:22px;}
.brand-text{font-weight:700;letter-spacing:-.02em;font-size:1.12rem;color:var(--c-ink);}
.main-nav{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;padding:8px 12px;border-radius:10px;
  font-size:.94rem;color:var(--c-text-sub);font-weight:500;white-space:nowrap;
}
.nav-link:hover{color:var(--c-main);background:var(--c-main-light);}
.nav-link.is-active{color:var(--c-main);font-weight:700;}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--c-main);
}
.nav-cta{margin-left:8px;}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;cursor:pointer;
  font-weight:600;font-size:.95rem;line-height:1;
  padding:14px 26px;border-radius:var(--r-btn);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn:active{transform:scale(.98);}
.btn-sm{padding:10px 20px;font-size:.88rem;}
.btn-primary{background:var(--c-main);color:#fff;box-shadow:var(--sh1);}
.btn-primary:hover{background:var(--c-main-dark);transform:translateY(-1px);box-shadow:var(--sh2);color:#fff;}
.btn-ghost{background:transparent;color:var(--c-main);border-color:var(--c-main);}
.btn-ghost:hover{background:var(--c-main-light);transform:translateY(-1px);}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:var(--sh1);}
.btn-accent:hover{background:#DE5F2B;transform:translateY(-1px);box-shadow:var(--sh2);color:#fff;}

/* ============ Page hero ============ */
.page-hero{
  position:relative;color:#F6F3EC;overflow:hidden;
  background-color:var(--c-ink);
  background-image:linear-gradient(105deg,rgba(16,22,26,.94) 12%,rgba(16,22,26,.72) 60%,rgba(14,140,127,.42) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
}
.page-hero .container{position:relative;z-index:2;padding-top:64px;padding-bottom:64px;}
.crumbs{display:flex;flex-wrap:wrap;gap:8px;font-size:.85rem;color:rgba(246,243,236,.72);margin-bottom:18px;}
.crumbs a:hover{color:#fff;text-decoration:underline;}
.crumbs span.sep{opacity:.5;}
.page-hero h1{color:#fff;max-width:20ch;margin-bottom:14px;}
.page-hero .lead{color:rgba(246,243,236,.82);max-width:56ch;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:.8rem;letter-spacing:.04em;padding:7px 13px;border-radius:var(--r-tag);
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.20);color:#E4F4F1;
}
.hero-ring{
  position:absolute;right:-90px;top:-70px;width:420px;height:420px;border-radius:50%;
  border:1px dashed rgba(228,244,241,.28);
  animation:spin 26s linear infinite;z-index:1;
}
.hero-ring::after{
  content:"";position:absolute;inset:64px;border-radius:50%;
  border:1px solid rgba(228,244,241,.18);
}
@keyframes spin{to{transform:rotate(360deg);}}

/* ============ Overview strip ============ */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--c-line);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh1);
}
.stat-item{background:var(--c-card);padding:22px 20px;}
.stat-item .k{font-size:13px;letter-spacing:.06em;color:var(--c-text-sub);display:block;margin-bottom:6px;}
.stat-item .v{font-family:var(--font-num);font-size:1.7rem;font-weight:700;color:var(--c-main-dark);line-height:1.2;}
.stat-item .v small{font-size:.8rem;color:var(--c-text-sub);font-family:var(--font-cn);font-weight:500;}

/* ============ Layout: anchor + long content ============ */
.doc-layout{display:grid;grid-template-columns:264px minmax(0,1fr);gap:48px;align-items:start;}
.anchor-nav{position:sticky;top:96px;}
.anchor-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--sh1);
}
.anchor-card h3{font-size:.95rem;letter-spacing:.04em;color:var(--c-ink);margin-bottom:12px;}
.anchor-card ul li{margin-bottom:2px;}
.anchor-card a{
  display:flex;align-items:center;gap:10px;
  font-size:.9rem;color:var(--c-text-sub);padding:9px 10px;border-radius:10px;
  border-left:2px solid transparent;
}
.anchor-card a:hover{background:var(--c-main-light);color:var(--c-main-dark);}
.anchor-card a.is-current{color:var(--c-main-dark);font-weight:700;background:var(--c-main-light);border-left-color:var(--c-main);}
.anchor-card a .idx{font-family:var(--font-num);font-size:.78rem;color:var(--c-main);opacity:.8;}
.anchor-note{
  margin-top:16px;padding-top:16px;border-top:1px dashed var(--c-line);
  font-size:.82rem;color:var(--c-text-sub);line-height:1.75;
}

.doc-body{min-width:0;}
.doc-section{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:30px 32px;box-shadow:var(--sh1);margin-bottom:24px;
}
.doc-section h2{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.doc-section h2::before{content:"";width:4px;height:24px;border-radius:3px;background:var(--c-main);flex:0 0 auto;}
.doc-section h3{margin:22px 0 8px;color:var(--c-ink);}
.doc-section p{color:var(--c-text);margin-bottom:14px;}
.doc-section p.muted{color:var(--c-text-sub);}
.doc-section p:last-child{margin-bottom:0;}
.figure{margin:22px 0 6px;}
.figure img{width:100%;border-radius:var(--r-img);box-shadow:var(--sh1);}
.figure figcaption{font-size:13px;color:var(--c-text-sub);margin-top:10px;text-align:center;}
.point-list li{
  position:relative;padding-left:22px;margin-bottom:10px;color:var(--c-text);
}
.point-list li::before{
  content:"";position:absolute;left:2px;top:.72em;width:8px;height:8px;border-radius:50%;
  background:var(--c-main-light);border:2px solid var(--c-main);
}
.point-list li strong{color:var(--c-ink);font-weight:600;}
.quote{
  background:var(--c-main-light);border-left:3px solid var(--c-main);
  border-radius:0 12px 12px 0;padding:16px 20px;color:var(--c-main-dark);font-size:.95rem;margin:18px 0;
}

/* ============ Entry type cards (2 cols staggered) ============ */
.type-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:8px;}
.type-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:20px 22px;transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.type-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:var(--c-main-light);}
.type-card .tc-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px;}
.type-card .tc-idx{font-family:var(--font-num);font-size:.85rem;color:var(--c-main);letter-spacing:.04em;}
.type-card h3{margin-bottom:8px;}
.type-card p{font-size:.93rem;color:var(--c-text-sub);margin:0;}
.type-card.wide{grid-column:span 2;background:linear-gradient(120deg,#fff,var(--c-main-light));}
.type-card.wide .tc-inner{display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center;}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;letter-spacing:.04em;font-weight:600;
  padding:5px 10px;border-radius:var(--r-tag);
  background:var(--c-main-light);color:var(--c-main-dark);
}
.badge.accent{background:var(--c-accent-light);color:#B84A1C;}
.badge.ok{background:#E7F5EE;color:#1F7A50;}
.badge.warn{background:#FAF0DC;color:#8F6410;}

/* ============ Checklist ============ */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:6px;}
.check-item{
  display:flex;gap:12px;align-items:flex-start;
  background:var(--c-paper);border:1px solid var(--c-line);border-radius:12px;padding:16px 18px;
}
.check-item .idx{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  background:var(--c-main);color:#fff;font-family:var(--font-num);font-size:.82rem;
  display:flex;align-items:center;justify-content:center;
}
.check-item strong{display:block;color:var(--c-ink);font-weight:600;margin-bottom:2px;}
.check-item span{font-size:.9rem;color:var(--c-text-sub);}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--c-line);}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-q{
  width:100%;background:none;border:0;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 2px;text-align:left;font-size:1rem;font-weight:600;color:var(--c-ink);
  transition:color .22s var(--ease);
}
.faq-q:hover{color:var(--c-main);}
.faq-q .ic{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;
  border:1px solid var(--c-line);position:relative;
  transition:transform .28s var(--ease),border-color .22s var(--ease),background .22s var(--ease);
}
.faq-q .ic::before,.faq-q .ic::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-main);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-q .ic::before{width:10px;height:2px;}
.faq-q .ic::after{width:2px;height:10px;transition:opacity .2s var(--ease);}
.faq-item.is-open .faq-q .ic{transform:rotate(180deg);background:var(--c-main-light);border-color:var(--c-main-light);}
.faq-item.is-open .faq-q .ic::after{opacity:0;}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .34s var(--ease);
}
.faq-a p{padding:0 40px 18px 2px;color:var(--c-text-sub);font-size:.95rem;margin:0;}

/* ============ Related links ============ */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.rel-card{
  display:block;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:20px 22px;transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:var(--c-main-light);}
.rel-card h3{font-size:1.02rem;margin-bottom:6px;color:var(--c-ink);}
.rel-card p{font-size:.88rem;color:var(--c-text-sub);margin:0 0 12px;}
.rel-card .arrow{font-size:.85rem;color:var(--c-main);font-weight:600;}

/* ============ CTA band ============ */
.cta-band{
  background:linear-gradient(120deg,var(--c-ink),#16333A 70%,var(--c-main-dark));
  color:#F6F3EC;border-radius:20px;padding:38px 40px;
  display:grid;grid-template-columns:1fr auto;gap:26px;align-items:center;
  box-shadow:var(--sh3);
}
.cta-band h2{color:#fff;margin-bottom:8px;}
.cta-band p{color:rgba(246,243,236,.78);font-size:.95rem;margin:0;}

/* ============ Footer ============ */
.site-footer{background:var(--c-ink);color:#F6F3EC;margin-top:64px;padding:56px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{color:rgba(246,243,236,.72);font-size:.9rem;margin:14px 0 18px;max-width:38ch;}
.footer-rings{display:flex;gap:8px;}
.footer-rings span{
  width:26px;height:26px;border-radius:50%;border:1px solid rgba(228,244,241,.35);
}
.footer-rings span:nth-child(2){width:18px;height:18px;margin-top:4px;border-color:rgba(242,112,58,.6);}
.footer-rings span:nth-child(3){width:10px;height:10px;margin-top:8px;border-color:rgba(228,244,241,.2);}
.footer-col h4{font-size:.95rem;letter-spacing:.04em;color:#fff;margin-bottom:14px;}
.footer-col ul li{margin-bottom:9px;}
.footer-col a{font-size:.9rem;color:rgba(246,243,236,.72);}
.footer-col a:hover{color:var(--c-main-light);}
.footer-col span{display:block;font-size:.88rem;color:rgba(246,243,236,.66);margin-bottom:9px;}
.footer-bottom{
  margin-top:44px;border-top:1px solid rgba(246,243,236,.14);
  padding:20px 0 26px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  font-size:.82rem;color:rgba(246,243,236,.58);
}

/* ============ Mobile bottom tab ============ */
.mobile-tab{display:none;}
.to-top{
  position:fixed;right:20px;bottom:24px;width:46px;height:46px;border-radius:50%;
  background:var(--c-main);color:#fff;border:0;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh2);opacity:0;pointer-events:none;
  transition:opacity .25s var(--ease),transform .22s var(--ease),background .22s var(--ease);
  z-index:70;
}
.to-top.is-visible{opacity:1;pointer-events:auto;}
.to-top:hover{background:var(--c-main-dark);transform:translateY(-2px);}

/* ============ Reveal ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ============ Responsive ============ */
@media (max-width:1199px){
  .doc-layout{grid-template-columns:224px minmax(0,1fr);gap:32px;}
}
@media (max-width:991px){
  .main-nav .nav-link{padding:8px 9px;font-size:.88rem;}
  .doc-layout{grid-template-columns:1fr;}
  .anchor-nav{position:static;top:auto;}
  .anchor-card ul{display:flex;flex-wrap:wrap;gap:6px;}
  .anchor-card ul li{margin:0;}
  .anchor-card a{border-left:0;border:1px solid var(--c-line);border-radius:var(--r-btn);padding:7px 14px;}
  .anchor-card a.is-current{border-color:var(--c-main);}
  .anchor-note{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:767px){
  body{padding-bottom:74px;}
  .main-nav{display:none;}
  .header-inner{height:62px;}
  .section{padding:40px 0;}
  .section-tight{padding:32px 0;}
  .page-hero .container{padding-top:40px;padding-bottom:44px;}
  .hero-ring{width:300px;height:300px;right:-110px;top:-80px;}
  .type-grid{grid-template-columns:1fr;}
  .type-card.wide{grid-column:span 1;}
  .type-card.wide .tc-inner{grid-template-columns:1fr;}
  .check-grid{grid-template-columns:1fr;}
  .rel-grid{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:28px 22px;border-radius:16px;}
  .doc-section{padding:22px 20px;}
  .faq-a p{padding-right:12px;}
  .footer-grid{grid-template-columns:1fr;}
  .mobile-tab{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:80;
    background:rgba(255,255,255,.96);backdrop-filter:blur(12px);
    border-top:1px solid var(--c-line);
    padding-bottom:env(safe-area-inset-bottom);
    box-shadow:0 -6px 20px rgba(16,22,26,.08);
  }
  .mobile-tab a{
    flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;
    padding:9px 2px 8px;font-size:11px;color:var(--c-text-sub);position:relative;
  }
  .mobile-tab a svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.8;}
  .mobile-tab a.is-active{color:var(--c-main);font-weight:700;}
  .mobile-tab a.is-active::before{
    content:"";position:absolute;top:0;left:14%;right:14%;height:2px;border-radius:2px;background:var(--c-main);
  }
  .to-top{bottom:88px;}
}
@media (max-width:576px){
  .container{padding:0 16px;}
  .page-hero h1{font-size:1.7rem;}
  .doc-section h2{font-size:1.3rem;}
  .stat-item{padding:18px 16px;}
  .stat-item .v{font-size:1.4rem;}
  .brand-text{font-size:1.02rem;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: article */
:root{
  --c-main:#0E8C7F;
  --c-main-d:#0A6A60;
  --c-main-l:#E4F4F1;
  --c-accent:#F2703A;
  --c-accent-l:#FDEDE5;
  --c-ink:#10161A;
  --c-text:#1C2226;
  --c-sub:#5A666E;
  --c-line:#E6E2D9;
  --c-bg:#F6F3EC;
  --c-card:#FFFFFF;
  --c-ok:#2E9E6B;
  --c-warn:#C8871A;
  --sh1:0 2px 8px rgba(16,22,26,.06);
  --sh2:0 10px 28px rgba(16,22,26,.10);
  --sh3:0 20px 50px rgba(16,22,26,.16);
  --r-card:16px;
  --r-btn:999px;
  --r-img:14px;
  --r-tag:6px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"SF Mono",ui-monospace,"JetBrains Mono",Menlo,Consolas,"Courier New",monospace;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-main-d);text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--c-main);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--c-ink);line-height:1.3;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
figure{margin:0;}
:focus-visible{outline:2px solid var(--c-main);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 28px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
  cursor:pointer;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
  white-space:nowrap;
}
.btn:active{transform:scale(.98);}
.btn-primary{background:var(--c-main);color:#fff;box-shadow:var(--sh1);}
.btn-primary:hover{background:var(--c-main-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh2);}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:var(--sh1);}
.btn-accent:hover{background:#DC5F2B;color:#fff;transform:translateY(-1px);box-shadow:var(--sh2);}
.btn-ghost{background:transparent;color:var(--c-main-d);border-color:var(--c-main);}
.btn-ghost:hover{background:var(--c-main-l);color:var(--c-main-d);border-color:var(--c-main-d);}
.btn-light{background:#fff;color:var(--c-ink);border-color:var(--c-line);}
.btn-light:hover{background:var(--c-main-l);color:var(--c-main-d);border-color:var(--c-main);}
.btn-sm{padding:9px 20px;font-size:14px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:60;
  height:72px;
  display:flex;
  align-items:center;
  background:rgba(246,243,236,.86);
  backdrop-filter:saturate(160%) blur(12px);
  -webkit-backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid var(--c-line);
  transition:height .28s var(--ease),box-shadow .28s var(--ease),background .28s var(--ease);
}
.site-header.is-stuck{
  height:60px;
  background:rgba(246,243,236,.97);
  box-shadow:var(--sh2);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  width:100%;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:50%;
  background:linear-gradient(135deg,var(--c-main),var(--c-main-d));
  display:grid;place-items:center;
  box-shadow:0 4px 12px rgba(14,140,127,.32);
  flex:0 0 auto;
}
.brand-mark svg{width:21px;height:21px;display:block;}
.brand-text{
  font-size:19px;
  font-weight:700;
  letter-spacing:-.02em;
  color:var(--c-ink);
  line-height:1;
}
.main-nav{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;
  padding:8px 12px;
  font-size:15px;
  font-weight:500;
  color:var(--c-sub);
  border-radius:8px;
}
.nav-link:hover{color:var(--c-main-d);background:var(--c-main-l);}
.nav-link.is-active{color:var(--c-main-d);font-weight:700;}
.nav-link.is-active::after{
  content:"";
  position:absolute;left:12px;right:12px;bottom:0;
  height:2px;border-radius:2px;background:var(--c-main);
}
.nav-cta{margin-left:10px;}

/* ---------- 文章头部 ---------- */
.page-main{padding-top:72px;}
.art-hero{
  position:relative;
  background:var(--c-ink);
  color:#E8EEED;
  padding:56px 0 60px;
  overflow:hidden;
}
.art-hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  opacity:.20;
}
.art-hero::after{
  content:"";
  position:absolute;
  right:-140px;top:-120px;
  width:460px;height:460px;
  border-radius:50%;
  border:1px solid rgba(228,244,241,.16);
  box-shadow:inset 0 0 0 60px rgba(228,244,241,.04),inset 0 0 0 130px rgba(228,244,241,.03);
  animation:ringSpin 26s linear infinite;
  pointer-events:none;
}
@keyframes ringSpin{to{transform:rotate(360deg);}}
.art-hero .container{position:relative;z-index:2;}

.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  letter-spacing:.04em;
  color:rgba(246,243,236,.66);
  margin-bottom:22px;
}
.crumbs a{color:rgba(246,243,236,.78);}
.crumbs a:hover{color:#fff;}
.crumb-sep{opacity:.5;}
.crumb-cur{
  color:rgba(246,243,236,.96);
  max-width:min(520px,60vw);
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}

.art-title{
  font-size:clamp(1.6rem,3.2vw,2.3rem);
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.28;
  color:#fff;
  max-width:840px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.art-lead{
  margin-top:16px;
  max-width:780px;
  font-size:15px;
  line-height:1.9;
  color:rgba(232,238,237,.74);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.art-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-top:24px;
}
.meta-item{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:13px;
  letter-spacing:.04em;
  color:rgba(246,243,236,.78);
  background:rgba(255,255,255,.08);
  border:1px solid rgba(228,244,241,.18);
  padding:5px 12px;
  border-radius:var(--r-tag);
}
.meta-item i{font-size:12px;color:#7FD6C9;}
.meta-item.is-cat{background:rgba(242,112,58,.16);border-color:rgba(242,112,58,.4);color:#FFC4A8;}

/* ---------- 正文布局 ---------- */
.art-section{padding:56px 0 72px;}
.art-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:48px;
  align-items:start;
}
.art-col{min-width:0;}
.art-panel{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh1);
  padding:40px 44px;
}

.art-body{
  max-width:820px;
  font-size:16px;
  line-height:1.9;
  color:var(--c-text);
  overflow-wrap:break-word;
  word-break:break-word;
}
.art-body > *:first-child{margin-top:0;}
.art-body p{margin:0 0 1.2em;}
.art-body h2{
  font-size:1.6rem;
  font-weight:700;
  line-height:1.4;
  margin:2.1em 0 .85em;
  padding-left:14px;
  border-left:4px solid var(--c-main);
  border-radius:2px;
}
.art-body h3{
  font-size:1.15rem;
  font-weight:600;
  margin:1.7em 0 .6em;
  color:var(--c-ink);
}
.art-body h4{font-size:1rem;font-weight:600;margin:1.4em 0 .5em;}
.art-body blockquote{
  margin:1.5em 0;
  padding:16px 22px;
  background:var(--c-main-l);
  border-left:3px solid var(--c-main);
  border-radius:0 10px 10px 0;
  color:#204A45;
  font-size:15.5px;
}
.art-body blockquote p:last-child{margin-bottom:0;}
.art-body ul,.art-body ol{margin:0 0 1.2em;padding-left:1.4em;}
.art-body ul{list-style:disc;}
.art-body ol{list-style:decimal;}
.art-body li{margin:.42em 0;}
.art-body li::marker{color:var(--c-main);}
.art-body img{
  max-width:100%;
  border-radius:var(--r-img);
  margin:1.7em auto;
  box-shadow:var(--sh1);
}
.art-body figure{margin:1.7em 0;}
.art-body figcaption{
  font-size:13px;
  color:var(--c-sub);
  text-align:center;
  margin-top:10px;
}
.art-body table{
  width:100%;
  border-collapse:collapse;
  margin:1.5em 0;
  font-size:15px;
}
.art-body th,.art-body td{
  border:1px solid var(--c-line);
  padding:11px 14px;
  text-align:left;
}
.art-body th{background:var(--c-main-l);color:var(--c-main-d);font-weight:600;}
.art-body tr:nth-child(even) td{background:#FBFAF6;}
.art-body hr{border:0;border-top:1px solid var(--c-line);margin:2.2em 0;}
.art-body strong{color:var(--c-ink);font-weight:600;}

/* ---------- 空态 ---------- */
.art-empty{
  text-align:center;
  padding:56px 24px 60px;
}
.empty-ring{
  width:96px;height:96px;margin:0 auto 22px;
  border-radius:50%;
  border:2px dashed var(--c-main);
  display:grid;place-items:center;
  color:var(--c-main);
  font-size:30px;
  background:var(--c-main-l);
}
.art-empty h2{font-size:1.35rem;margin-bottom:10px;}
.art-empty p{color:var(--c-sub);font-size:15px;max-width:420px;margin:0 auto 24px;}

/* ---------- 相关推荐 ---------- */
.rec-block{margin-top:32px;}
.rec-title{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:16px;
  margin-bottom:18px;
  padding-bottom:14px;
  border-bottom:1px solid var(--c-line);
}
.rec-title h2{font-size:1.25rem;font-weight:700;}
.rec-title span{font-size:13px;letter-spacing:.06em;color:var(--c-sub);}
.rec-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}
.rec-card{
  display:flex;
  flex-direction:column;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.rec-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh2);
  border-color:#BFE3DC;
}
.rec-thumb{height:132px;overflow:hidden;background:var(--c-main-l);}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.rec-card:hover .rec-thumb img{transform:scale(1.04);}
.rec-body{padding:18px 18px 20px;}
.rec-tag{
  display:inline-block;
  font-size:12px;
  letter-spacing:.04em;
  padding:3px 9px;
  border-radius:var(--r-tag);
  background:var(--c-main-l);
  color:var(--c-main-d);
  margin-bottom:10px;
}
.rec-body h3{
  font-size:1.02rem;
  font-weight:600;
  line-height:1.5;
  margin-bottom:8px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.rec-body p{
  font-size:13.5px;
  line-height:1.75;
  color:var(--c-sub);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.rec-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:14px;
  font-size:13px;
  font-weight:600;
  color:var(--c-main-d);
}
.rec-card:hover .rec-more{color:var(--c-accent);}
.rec-more i{font-size:11px;}

/* ---------- 文末 CTA ---------- */
.join-band{
  margin-top:32px;
  position:relative;
  overflow:hidden;
  background:var(--c-ink);
  border-radius:var(--r-card);
  padding:38px 40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  color:#E8EEED;
  box-shadow:var(--sh2);
}
.join-band::before{
  content:"";
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;
  background-position:center;
  opacity:.16;
}
.join-band > *{position:relative;z-index:2;}
.join-band h2{
  font-size:clamp(1.25rem,2.4vw,1.6rem);
  font-weight:800;
  color:#fff;
  letter-spacing:-.01em;
}
.join-band p{
  margin-top:8px;
  font-size:14.5px;
  color:rgba(232,238,237,.72);
  max-width:560px;
}
.join-band .btn{flex:0 0 auto;}

/* ---------- 侧栏 ---------- */
.art-side{
  position:sticky;
  top:92px;
  display:flex;
  flex-direction:column;
  gap:20px;
}
.side-card{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:22px;
  box-shadow:var(--sh1);
}
.side-card h3{
  font-size:14px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--c-ink);
  padding-bottom:12px;
  margin-bottom:14px;
  border-bottom:1px solid var(--c-line);
  display:flex;
  align-items:center;
  gap:8px;
}
.side-card h3 i{color:var(--c-main);font-size:13px;}
.toc-nav ul{position:relative;padding-left:14px;}
.toc-nav ul::before{
  content:"";
  position:absolute;left:3px;top:4px;bottom:4px;
  width:2px;background:var(--c-line);border-radius:2px;
}
.toc-nav li{margin:0;}
.toc-nav a{
  display:block;
  font-size:13.5px;
  line-height:1.6;
  color:var(--c-sub);
  padding:5px 8px 5px 10px;
  border-radius:6px;
  position:relative;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.toc-nav a:hover{color:var(--c-main-d);background:var(--c-main-l);}
.toc-nav a.is-current{
  color:var(--c-main-d);
  font-weight:600;
  background:var(--c-main-l);
}
.toc-nav a.is-current::before{
  content:"";
  position:absolute;left:-14px;top:50%;
  transform:translateY(-50%);
  width:8px;height:8px;border-radius:50%;
  background:var(--c-main);
  box-shadow:0 0 0 3px rgba(14,140,127,.16);
}
.toc-nav .toc-empty{
  font-size:13px;
  color:var(--c-sub);
  line-height:1.7;
}
.side-links li + li{border-top:1px solid var(--c-line);}
.side-links a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:11px 0;
  font-size:14px;
  color:var(--c-text);
}
.side-links a:hover{color:var(--c-main-d);}
.side-links a i{font-size:11px;color:var(--c-main);}
.side-cta{
  background:var(--c-main-l);
  border-color:#C7E8E2;
}
.side-cta p{
  font-size:13.5px;
  line-height:1.75;
  color:#2A544F;
  margin-bottom:16px;
}
.side-cta .btn{width:100%;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-ink);
  color:rgba(246,243,236,.72);
  padding:64px 0 0;
  margin-top:8px;
}
.site-footer .brand-text{color:#F6F3EC;}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
  border-bottom:1px solid rgba(246,243,236,.12);
}
.footer-brand p{
  margin-top:18px;
  font-size:14px;
  line-height:1.85;
  max-width:340px;
  color:rgba(246,243,236,.62);
}
.footer-rings{display:flex;gap:8px;margin-top:22px;}
.footer-rings span{
  width:16px;height:16px;border-radius:50%;
  border:1px solid rgba(228,244,241,.4);
}
.footer-rings span:nth-child(2){border-color:rgba(242,112,58,.6);}
.footer-rings span:nth-child(3){border-style:dashed;border-color:rgba(228,244,241,.24);}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  letter-spacing:.06em;
  color:#F6F3EC;
  margin-bottom:18px;
}
.footer-col ul li{margin-bottom:11px;}
.footer-col a{font-size:14px;color:rgba(246,243,236,.66);}
.footer-col a:hover{color:#7FD6C9;}
.footer-col span{
  display:block;
  font-size:13.5px;
  line-height:1.75;
  color:rgba(246,243,236,.58);
  margin-bottom:12px;
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:22px 0 26px;
  font-size:13px;
  color:rgba(246,243,236,.5);
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;
  right:22px;
  bottom:96px;
  width:46px;height:46px;
  border-radius:50%;
  background:var(--c-main);
  color:#fff;
  border:0;
  display:grid;place-items:center;
  box-shadow:var(--sh2);
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .26s var(--ease),transform .26s var(--ease),visibility .26s var(--ease),background .22s var(--ease);
  z-index:70;
  cursor:pointer;
}
.to-top.is-on{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--c-main-d);}

/* ---------- 移动底部 Tab ---------- */
.mobile-tabbar{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:80;
  background:rgba(255,255,255,.97);
  backdrop-filter:blur(10px);
  border-top:1px solid var(--c-line);
  box-shadow:0 -6px 20px rgba(16,22,26,.08);
  padding-bottom:env(safe-area-inset-bottom);
}
.mobile-tabbar .tab-item{
  flex:1 1 0;
  min-width:0;
  position:relative;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:4px;
  padding:9px 2px 8px;
  font-size:11px;
  letter-spacing:.02em;
  color:var(--c-sub);
}
.mobile-tabbar .tab-item i{font-size:17px;line-height:1;}
.mobile-tabbar .tab-item.is-active{color:var(--c-main-d);font-weight:700;}
.mobile-tabbar .tab-item.is-active::before{
  content:"";
  position:absolute;top:-1px;left:50%;
  transform:translateX(-50%);
  width:34px;height:2px;border-radius:2px;
  background:var(--c-main);
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  .art-layout{gap:34px;grid-template-columns:minmax(0,1fr) 268px;}
  .art-panel{padding:34px 30px;}
}
@media screen and (max-width:991px){
  .main-nav{display:none;}
  .art-layout{grid-template-columns:1fr;gap:30px;}
  .art-side{position:static;top:auto;}
  .rec-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;}
  .join-band{flex-direction:column;align-items:flex-start;padding:30px 28px;}
  .join-band .btn{width:100%;}
}
@media screen and (max-width:767px){
  body{padding-bottom:72px;}
  .site-header{height:60px;}
  .page-main{padding-top:60px;}
  .brand-text{font-size:17px;}
  .art-hero{padding:34px 0 38px;}
  .art-hero::after{width:300px;height:300px;right:-120px;top:-110px;}
  .art-section{padding:34px 0 48px;}
  .art-panel{padding:24px 20px;border-radius:14px;}
  .mobile-tabbar{display:flex;}
  .to-top{right:14px;bottom:88px;width:42px;height:42px;}
  .rec-grid{grid-template-columns:1fr;}
  .crumbs{font-size:12px;margin-bottom:16px;}
  .art-meta{gap:8px;}
  .meta-item{font-size:12px;padding:4px 10px;}
}
@media screen and (max-width:575px){
  .container{padding-left:16px;padding-right:16px;}
  .art-title{font-size:1.5rem;}
  .art-body{font-size:15.5px;}
  .art-body h2{font-size:1.3rem;}
  .art-body table{display:block;overflow-x:auto;white-space:nowrap;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;font-size:12px;}
  .join-band{padding:24px 20px;}
  .side-card{padding:18px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --c-main:#0E8C7F;
  --c-main-d:#0A6A60;
  --c-main-l:#E4F4F1;
  --c-accent:#F2703A;
  --c-accent-l:#FDEDE5;
  --c-ink:#10161A;
  --c-ink-2:#1B242A;
  --c-text:#1C2226;
  --c-sub:#5A666E;
  --c-line:#E6E2D9;
  --c-bg:#F6F3EC;
  --c-card:#FFFFFF;
  --c-ok:#2E9E6B;
  --c-warn:#C8871A;
  --sh1:0 2px 8px rgba(16,22,26,.06);
  --sh2:0 10px 28px rgba(16,22,26,.10);
  --sh3:0 20px 50px rgba(16,22,26,.16);
  --r-card:16px;
  --r-btn:999px;
  --r-img:14px;
  --r-tag:6px;
  --maxw:1200px;
  --font-num:"SFMono-Regular",ui-monospace,"JetBrains Mono",Menlo,Consolas,monospace;
  --ease:cubic-bezier(.2,.7,.3,1);
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:var(--c-main-d);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--c-main)}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;letter-spacing:-.01em;line-height:1.3}
h2{font-size:1.6rem}
h3{font-size:1.15rem;font-weight:600}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--c-main);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.01em;white-space:nowrap;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-primary{background:var(--c-main);color:#fff;box-shadow:var(--sh1)}
.btn-primary:hover{background:var(--c-main-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh2)}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:0 6px 18px rgba(242,112,58,.28)}
.btn-accent:hover{background:#DE5F27;color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(242,112,58,.34)}
.btn-ghost{background:transparent;color:var(--c-main-d);border-color:var(--c-main)}
.btn-ghost:hover{background:var(--c-main-l);color:var(--c-main-d);transform:translateY(-1px)}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;transform:translateY(-1px)}
.btn:active{transform:scale(.98)}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:var(--r-tag);
  background:var(--c-main-l);color:var(--c-main-d);
  font-size:12px;font-weight:600;letter-spacing:.04em;line-height:1.7;
}
.tag-accent{background:var(--c-accent-l);color:#B04B18}
.tag-ok{background:#E7F6EE;color:#1F7B51}
.tag-warn{background:#FAF0DC;color:#976213}

.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--c-main-d);text-transform:uppercase;margin-bottom:12px;
}
.section{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section-head p{color:var(--c-sub);font-size:15px;margin-top:10px;max-width:640px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:-.02em}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:90;
  background:rgba(246,243,236,.92);
  backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid var(--c-line);
  transition:height .25s var(--ease),box-shadow .25s var(--ease),background-color .25s var(--ease);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px}
.site-header.is-scrolled{box-shadow:var(--sh2);background:rgba(246,243,236,.96)}
.site-header.is-scrolled .header-inner{height:60px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--c-ink)}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:50%;
  background:linear-gradient(140deg,var(--c-main),var(--c-main-d));
  display:inline-flex;align-items:center;justify-content:center;box-shadow:var(--sh1);
}
.brand-mark svg{width:22px;height:22px;animation:ringSpin 22s linear infinite}
.brand-text{font-size:17px;font-weight:700;letter-spacing:-.02em}
.main-nav{display:flex;align-items:center;gap:6px}
.nav-link{
  position:relative;padding:8px 12px;border-radius:8px;
  font-size:14.5px;font-weight:500;color:var(--c-sub);
  transition:color .2s var(--ease),background-color .2s var(--ease);
}
.nav-link:hover{color:var(--c-main-d);background:var(--c-main-l)}
.nav-link.is-active{color:var(--c-main-d);font-weight:700}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;
  background:var(--c-main);border-radius:2px;
}
.nav-cta{margin-left:8px;color:#fff}

@keyframes ringSpin{to{transform:rotate(360deg)}}

/* ---------- 移动底部 Tab ---------- */
.mobile-tabbar{display:none}
.tabbar-item{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  flex:1;padding:8px 2px 6px;position:relative;
  font-size:11px;color:var(--c-sub);font-weight:500;
}
.tabbar-item i{font-size:18px}
.tabbar-item.is-active{color:var(--c-main-d);font-weight:700}
.tabbar-item.is-active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:28px;height:2px;background:var(--c-main);border-radius:2px;
}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  padding:132px 0 72px;
  background-color:var(--c-ink);
  color:rgba(255,255,255,.82);
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(105deg,rgba(16,22,26,.94) 0%,rgba(16,22,26,.80) 46%,rgba(14,140,127,.42) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.cat-hero::after{
  content:"";position:absolute;right:-140px;top:-120px;width:520px;height:520px;border-radius:50%;
  border:1px solid rgba(255,255,255,.13);
  box-shadow:0 0 0 60px rgba(255,255,255,.03),0 0 0 130px rgba(255,255,255,.02);
}
.cat-hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:48px;align-items:center}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.6);margin-bottom:18px}
.crumb a{color:rgba(255,255,255,.78)}
.crumb a:hover{color:#fff}
.crumb span{opacity:.5}
.cat-hero h1{
  color:#fff;
  font-size:clamp(1.8rem,4vw,2.8rem);
  line-height:1.18;letter-spacing:-.02em;font-weight:800;
  margin-bottom:18px;
}
.cat-hero h1 em{font-style:normal;color:#57D9C7}
.hero-lede{font-size:16px;line-height:1.9;color:rgba(255,255,255,.78);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-stats{display:flex;flex-wrap:wrap;gap:36px;margin-top:40px;padding-top:28px;border-top:1px solid rgba(255,255,255,.14)}
.hero-stat b{display:block;font-family:var(--font-num);font-size:1.9rem;font-weight:700;color:#fff;letter-spacing:-.02em}
.hero-stat span{font-size:13px;color:rgba(255,255,255,.6);letter-spacing:.06em}

.hero-panel{
  background:rgba(255,255,255,.055);
  border:1px solid rgba(255,255,255,.15);
  border-radius:20px;padding:26px;backdrop-filter:blur(6px);
}
.hero-panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.hero-panel-head span{font-size:13px;letter-spacing:.06em;color:rgba(255,255,255,.62)}
.ring-wrap{display:flex;justify-content:center;align-items:center;position:relative;padding:6px 0 14px}
.ring-wrap svg{width:180px;height:180px;transform:rotate(-90deg)}
.ring-track{fill:none;stroke:rgba(255,255,255,.14);stroke-width:10}
.ring-bar{fill:none;stroke:#57D9C7;stroke-width:10;stroke-linecap:round;stroke-dasharray:502;stroke-dashoffset:502;transition:stroke-dashoffset 1.4s var(--ease)}
.ring-center{position:absolute;text-align:center}
.ring-center b{display:block;font-family:var(--font-num);font-size:2rem;color:#fff;font-weight:700}
.ring-center span{font-size:12px;letter-spacing:.08em;color:rgba(255,255,255,.6)}
.panel-list{display:grid;gap:10px;margin-top:6px}
.panel-list li{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:11px 14px;border-radius:10px;background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.09);font-size:13.5px;color:rgba(255,255,255,.82);
}
.panel-list li em{font-style:normal;font-family:var(--font-num);color:#57D9C7;font-size:13px}

/* ---------- 概览块 ---------- */
.overview{padding:64px 0}
.ov-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:32px;align-items:start}
.ov-main{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:30px;box-shadow:var(--sh1);
}
.ov-main h2{margin-bottom:14px}
.ov-main p{color:var(--c-sub);margin-bottom:16px}
.ov-main p:last-of-type{margin-bottom:0}
.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.ov-side{display:grid;gap:18px}
.mini-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh1);transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:#BFE3DD}
.mini-card .num{font-size:1.6rem;color:var(--c-main-d);font-weight:700}
.mini-card h3{margin:8px 0 6px}
.mini-card p{font-size:14.5px;color:var(--c-sub)}

/* ---------- 时间轴 ---------- */
.timeline-section{background:linear-gradient(180deg,#FBF9F4 0%,var(--c-bg) 100%);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.timeline{position:relative;margin-top:8px;padding-left:0}
.timeline::before{
  content:"";position:absolute;left:23px;top:14px;bottom:14px;width:2px;
  background:linear-gradient(180deg,var(--c-main-l),var(--c-main),var(--c-main-l));
  border-radius:2px;
}
.tl-item{position:relative;display:grid;grid-template-columns:48px minmax(0,1fr);gap:22px;padding:0 0 34px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{
  position:relative;z-index:2;width:48px;height:48px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-card);border:2px solid var(--c-main);
  font-family:var(--font-num);font-size:15px;font-weight:700;color:var(--c-main-d);
  box-shadow:0 0 0 6px var(--c-bg);
}
.tl-item:nth-child(even) .tl-dot{border-color:var(--c-accent);color:#B04B18}
.tl-body{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px 26px;box-shadow:var(--sh1);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.tl-body:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:#BFE3DD}
.tl-body h3{font-size:1.12rem;margin-bottom:8px}
.tl-body p{color:var(--c-sub);font-size:15px}
.tl-points{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:14px}
.tl-points li{position:relative;padding-left:14px;font-size:14px;color:var(--c-text)}
.tl-points li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--c-main)}
.tl-note{margin-top:14px;padding:10px 14px;border-radius:10px;background:var(--c-main-l);font-size:13.5px;color:var(--c-main-d)}

/* ---------- 动作清单 ---------- */
.actions-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:28px;align-items:start}
.action-list{display:grid;gap:16px}
.action-item{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:20px 22px;box-shadow:var(--sh1);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.action-item:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:#BFE3DD}
.action-ico{
  flex:0 0 42px;width:42px;height:42px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-main-l);color:var(--c-main-d);font-size:17px;
}
.action-item h3{font-size:1.02rem;margin-bottom:4px}
.action-item p{font-size:14.5px;color:var(--c-sub)}
.action-side{
  background:var(--c-ink);color:rgba(255,255,255,.78);
  border-radius:var(--r-card);padding:28px;box-shadow:var(--sh2);
}
.action-side h3{color:#fff;margin-bottom:12px}
.action-side p{font-size:14.5px;line-height:1.9;margin-bottom:16px}
.action-side img{border-radius:var(--r-img);box-shadow:var(--sh3);margin-top:6px}
.side-list{display:grid;gap:10px;margin:16px 0 20px}
.side-list li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.78)}
.side-list i{color:#57D9C7;margin-top:6px;font-size:13px}

/* ---------- 进度与档位 ---------- */
.progress-section{background:var(--c-ink-2);color:rgba(255,255,255,.76)}
.progress-section h2{color:#fff}
.progress-section .section-head p{color:rgba(255,255,255,.6)}
.progress-wrap{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:36px;align-items:center}
.steps{display:grid;gap:16px}
.step-row{
  display:grid;grid-template-columns:56px minmax(0,1fr) auto;gap:18px;align-items:center;
  padding:18px 20px;border-radius:14px;
  background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.1);
  transition:background-color .25s var(--ease),transform .25s var(--ease);
}
.step-row:hover{background:rgba(255,255,255,.08);transform:translateY(-2px)}
.step-row b{font-family:var(--font-num);font-size:1.1rem;color:#57D9C7}
.step-row h3{color:#fff;font-size:1rem;margin-bottom:3px}
.step-row p{font-size:13.5px;color:rgba(255,255,255,.6)}
.step-row .tag{background:rgba(87,217,199,.14);color:#7BE7D6}
.step-row .tag-accent{background:rgba(242,112,58,.18);color:#FFA87C}
.step-row .tag-warn{background:rgba(200,135,26,.18);color:#F0C071}
.progress-visual{
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);
  border-radius:20px;padding:30px;text-align:center;
}
.progress-visual .big{font-family:var(--font-num);font-size:3rem;font-weight:700;color:#fff;line-height:1}
.progress-visual .cap{font-size:13px;letter-spacing:.08em;color:rgba(255,255,255,.55);margin-top:8px}
.bar{height:10px;border-radius:999px;background:rgba(255,255,255,.14);overflow:hidden;margin:24px 0 10px}
.bar i{display:block;height:100%;width:62%;border-radius:999px;background:linear-gradient(90deg,#57D9C7,var(--c-accent));transition:width 1.4s var(--ease)}
.bar-foot{display:flex;justify-content:space-between;font-size:12.5px;color:rgba(255,255,255,.55)}

/* ---------- 注意事项 ---------- */
.notes-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.note-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh1);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.note-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:#BFE3DD}
.note-card i{font-size:20px;color:var(--c-accent)}
.note-card h3{margin:14px 0 8px;font-size:1.05rem}
.note-card p{font-size:14.5px;color:var(--c-sub)}

/* ---------- FAQ ---------- */
.faq-section{background:#FBF9F4;border-top:1px solid var(--c-line)}
.faq-list{max-width:860px;display:grid;gap:12px}
.faq-item{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:14px;
  overflow:hidden;transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.faq-item.is-open{border-color:#BFE3DD;box-shadow:var(--sh1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:transparent;border:0;text-align:left;
  font-size:15.5px;font-weight:600;color:var(--c-ink);
}
.faq-q:hover{color:var(--c-main-d)}
.faq-icon{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  background:var(--c-main-l);position:relative;transition:transform .3s var(--ease),background-color .3s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  background:var(--c-main-d);border-radius:2px;
}
.faq-icon::before{width:11px;height:2px}
.faq-icon::after{width:2px;height:11px;transition:opacity .25s var(--ease)}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:var(--c-accent-l)}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:#B04B18}
.faq-item.is-open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s var(--ease)}
.faq-a p{padding:0 22px 20px;font-size:15px;color:var(--c-sub)}

/* ---------- CTA ---------- */
.cta-section{padding:0 0 72px}
.cta-box{
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:28px;align-items:center;
  background:linear-gradient(120deg,var(--c-main) 0%,var(--c-main-d) 62%,#083F39 100%);
  border-radius:22px;padding:44px 46px;color:rgba(255,255,255,.8);
  box-shadow:var(--sh3);position:relative;overflow:hidden;
}
.cta-box::after{
  content:"";position:absolute;right:-90px;top:-90px;width:300px;height:300px;border-radius:50%;
  border:1px solid rgba(255,255,255,.16);box-shadow:0 0 0 46px rgba(255,255,255,.04);
}
.cta-box h2{color:#fff;font-size:1.55rem;margin-bottom:10px}
.cta-box p{font-size:15px;max-width:620px;position:relative;z-index:2}
.cta-box .btn{position:relative;z-index:2}

/* ---------- 相关分类 ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rel-card{
  display:block;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh1);color:var(--c-text);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:#BFE3DD;color:var(--c-text)}
.rel-card h3{margin-bottom:8px;font-size:1.05rem}
.rel-card p{font-size:14.5px;color:var(--c-sub);margin-bottom:14px}
.rel-card span{font-size:13.5px;font-weight:600;color:var(--c-main-d);display:inline-flex;align-items:center;gap:6px}
.rel-card:hover span{gap:10px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.66);padding:60px 0 24px;margin-top:8px}
.site-footer .brand{color:#fff}
.site-footer .brand-text{color:#fff}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand p{font-size:14.5px;line-height:1.9;margin-top:16px;max-width:340px;color:rgba(255,255,255,.6)}
.footer-rings{display:flex;gap:8px;margin-top:20px}
.footer-rings span{width:14px;height:14px;border-radius:50%;border:1px solid rgba(255,255,255,.3)}
.footer-rings span:nth-child(2){border-color:rgba(87,217,199,.7)}
.footer-rings span:nth-child(3){border-color:rgba(242,112,58,.7)}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:grid;gap:10px}
.footer-col a{color:rgba(255,255,255,.66);font-size:14.5px}
.footer-col a:hover{color:#57D9C7}
.footer-col span{display:block;font-size:14px;color:rgba(255,255,255,.55);margin-bottom:10px}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}
.to-top{
  position:fixed;right:22px;bottom:24px;z-index:80;
  width:46px;height:46px;border-radius:50%;border:0;
  background:var(--c-main);color:#fff;font-size:16px;box-shadow:var(--sh2);
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s var(--ease),transform .25s var(--ease),visibility .25s var(--ease),background-color .25s var(--ease);
}
.to-top.is-show{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--c-main-d)}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero-grid{grid-template-columns:minmax(0,1fr) minmax(0,.9fr);gap:36px}
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr;gap:28px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:991px){
  .main-nav .nav-link{display:none}
  .main-nav{gap:0}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .cat-hero{padding:120px 0 56px}
  .cat-hero::after{width:380px;height:380px;right:-160px}
  .ov-grid,.actions-grid,.progress-wrap{grid-template-columns:1fr}
  .notes-grid{grid-template-columns:1fr 1fr}
  .rel-grid{grid-template-columns:1fr 1fr}
  .cta-box{grid-template-columns:1fr;padding:36px 30px}
}
@media (max-width:767px){
  body{padding-bottom:72px}
  .site-header{background:rgba(246,243,236,.96)}
  .main-nav .nav-cta{height:36px;padding:0 16px;font-size:13px}
  .header-inner{height:64px}
  .section{padding:44px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;margin-bottom:24px}
  .hero-stats{gap:24px}
  .hero-stat b{font-size:1.55rem}
  .timeline::before{left:19px}
  .tl-item{grid-template-columns:40px minmax(0,1fr);gap:16px}
  .tl-dot{width:40px;height:40px;font-size:13px}
  .tl-body{padding:20px}
  .notes-grid,.rel-grid{grid-template-columns:1fr}
  .mobile-tabbar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:95;
    background:rgba(255,255,255,.97);backdrop-filter:blur(10px);
    border-top:1px solid var(--c-line);
    padding-bottom:env(safe-area-inset-bottom);
  }
  .to-top{bottom:88px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:575px){
  .container{padding:0 16px}
  .cat-hero{padding:104px 0 44px}
  .cat-hero h1{font-size:1.7rem}
  .btn{width:100%;padding:0 20px}
  .hero-actions{gap:10px}
  .hero-actions .btn{width:100%}
  .cta-box .btn{width:100%}
  .ring-wrap svg{width:150px;height:150px}
  .progress-visual .big{font-size:2.4rem}
  .step-row{grid-template-columns:48px minmax(0,1fr);row-gap:8px}
  .step-row .tag{grid-column:2}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category3 */
:root{
  --c-primary:#0E8C7F;
  --c-primary-d:#0A6A60;
  --c-primary-l:#E4F4F1;
  --c-accent:#F2703A;
  --c-accent-l:#FDEDE5;
  --c-ink:#10161A;
  --c-text:#1C2226;
  --c-sub:#5A666E;
  --c-line:#E6E2D9;
  --c-bg:#F6F3EC;
  --c-card:#FFFFFF;
  --c-ok:#2E9E6B;
  --c-warn:#C8871A;
  --sh1:0 2px 8px rgba(16,22,26,.06);
  --sh2:0 10px 28px rgba(16,22,26,.10);
  --sh3:0 20px 50px rgba(16,22,26,.16);
  --r-card:16px;
  --r-img:14px;
  --r-tag:6px;
  --r-btn:999px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --mono:"SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--c-bg);
  color:var(--c-text);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease)}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
button{font-family:inherit;border:0;background:none;cursor:pointer;color:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:-.01em}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  background:rgba(246,243,236,.82);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s var(--ease),background .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh2);background:rgba(246,243,236,.96)}
.header-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px;transition:height .25s var(--ease)}
.site-header.is-scrolled .header-inner{height:60px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:50%;
  background:linear-gradient(140deg,var(--c-primary) 0%,var(--c-ink) 100%);
  display:grid;place-items:center;box-shadow:var(--sh1);
}
.brand-mark svg{width:20px;height:20px;display:block}
.brand-text{font-weight:700;font-size:17px;letter-spacing:-.02em;color:var(--c-ink);white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;padding:8px 12px;border-radius:10px;font-size:15px;color:var(--c-sub);
  transition:color .22s var(--ease),background .22s var(--ease);white-space:nowrap;
}
.nav-link:hover{color:var(--c-primary-d);background:var(--c-primary-l)}
.nav-link.is-active{color:var(--c-primary-d);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;border-radius:2px;background:var(--c-primary);
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;padding:13px 24px;cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh1)}
.btn-primary:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh2)}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:var(--sh1)}
.btn-accent:hover{background:#DA5C28;color:#fff;transform:translateY(-1px);box-shadow:var(--sh2)}
.btn-ghost{border-color:var(--c-primary);color:var(--c-primary-d);background:transparent}
.btn-ghost:hover{background:var(--c-primary-l);color:var(--c-primary-d)}
.btn-light{background:#fff;color:var(--c-ink)}
.btn-light:hover{transform:translateY(-1px);box-shadow:var(--sh2)}
.btn-sm{padding:9px 18px;font-size:14px}
.nav-cta{margin-left:10px}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;color:#F6F3EC;
  background:var(--c-ink) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  padding:140px 0 76px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(104deg,rgba(16,22,26,.95) 0%,rgba(16,22,26,.84) 46%,rgba(16,22,26,.58) 100%);
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.4fr .9fr;gap:48px;align-items:center}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;letter-spacing:.04em;color:rgba(246,243,236,.66);margin-bottom:20px}
.crumbs a:hover{color:#fff}
.crumbs span.sep{opacity:.5}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-tag);
  background:rgba(14,140,127,.22);border:1px solid rgba(228,244,241,.28);
  color:#B9E7E1;font-size:12px;letter-spacing:.08em;font-weight:600;margin-bottom:18px;
}
.page-hero h1{
  font-size:clamp(1.8rem,4vw,2.8rem);line-height:1.18;font-weight:800;letter-spacing:-.02em;color:#fff;
}
.hero-sub{margin-top:16px;font-size:17px;color:#CFE9E5;max-width:560px}
.hero-lead{margin-top:14px;font-size:15px;line-height:1.9;color:rgba(246,243,236,.72);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-stats{display:flex;flex-wrap:wrap;gap:34px;margin-top:38px;padding-top:26px;border-top:1px solid rgba(246,243,236,.16)}
.hero-stat b{display:block;font-family:var(--mono);font-size:26px;font-weight:700;color:#fff;letter-spacing:-.02em}
.hero-stat span{font-size:13px;color:rgba(246,243,236,.62);letter-spacing:.05em}
.hero-rings{position:relative;display:grid;place-items:center}
.hero-rings svg{width:min(320px,100%);height:auto;animation:spin 26s linear infinite}
.hero-rings .ring-core{
  position:absolute;text-align:center;color:#fff;
}
.hero-rings .ring-core b{display:block;font-family:var(--mono);font-size:34px;font-weight:700;letter-spacing:-.02em}
.hero-rings .ring-core span{font-size:12px;letter-spacing:.12em;color:#9FD6D0}
@keyframes spin{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){
  .hero-rings svg{animation:none}
  .reveal-up{opacity:1 !important;transform:none !important}
}

/* ---------- Sections ---------- */
.section{padding:64px 0}
.section--tight{padding:52px 0}
.section-head{max-width:760px;margin-bottom:32px}
.section-head .kicker{
  display:inline-block;font-size:13px;letter-spacing:.14em;color:var(--c-primary-d);font-weight:700;margin-bottom:12px;
}
.section-head h2{font-size:1.6rem;font-weight:700;letter-spacing:-.01em;color:var(--c-ink);line-height:1.4}
.section-head p{margin-top:12px;color:var(--c-sub);font-size:15px}
.section-head--light .kicker{color:#7FD3C9}
.section-head--light h2{color:#fff}
.section-head--light p{color:rgba(246,243,236,.7)}

/* Overview */
.overview-grid{align-items:start}
.overview-copy p{color:var(--c-sub);font-size:15.5px}
.overview-copy p + p{margin-top:16px}
.point-list{margin-top:24px;display:grid;gap:14px}
.point-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--c-text)}
.point-list li::before{
  content:"";flex:0 0 auto;width:8px;height:8px;margin-top:11px;border-radius:50%;
  background:var(--c-primary);box-shadow:0 0 0 4px var(--c-primary-l);
}
.panel{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh1);padding:26px;
}
.panel h3{font-size:1.05rem;font-weight:700;color:var(--c-ink);margin-bottom:6px}
.panel .panel-note{font-size:13px;color:var(--c-sub);margin-bottom:20px}
.progress-wrap{display:flex;align-items:center;gap:20px;margin-bottom:22px}
.ring{position:relative;width:104px;height:104px;flex:0 0 auto}
.ring svg{width:104px;height:104px;transform:rotate(-90deg)}
.ring circle{fill:none;stroke-width:9;stroke-linecap:round}
.ring .track{stroke:var(--c-primary-l)}
.ring .bar{stroke:var(--c-primary);stroke-dasharray:283;stroke-dashoffset:96}
.ring b{position:absolute;inset:0;display:grid;place-items:center;font-family:var(--mono);font-size:20px;color:var(--c-ink)}
.progress-meta span{display:block;font-size:13px;color:var(--c-sub)}
.progress-meta strong{display:block;font-size:15px;color:var(--c-ink);margin-bottom:4px}
.steps-bar{display:grid;gap:12px}
.steps-bar li{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:14px}
.steps-bar li .bar-line{flex:1;height:8px;border-radius:999px;background:var(--c-primary-l);overflow:hidden}
.steps-bar li .bar-line i{display:block;height:100%;border-radius:999px;background:var(--c-primary);width:var(--w,40%)}
.steps-bar li .bar-line i.is-accent{background:var(--c-accent)}

/* Matrix */
.matrix{display:grid;grid-template-columns:repeat(6,1fr);gap:20px}
.m-card{
  grid-column:span 2;
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh1);padding:24px;display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.m-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:#BEE2DC}
.m-card .tag{margin-bottom:14px;align-self:flex-start}
.m-card h3{font-size:1.12rem;font-weight:700;color:var(--c-ink);margin-bottom:10px;line-height:1.5}
.m-card p{font-size:14.5px;color:var(--c-sub);line-height:1.85}
.m-card .arrow{margin-top:auto;padding-top:18px;color:var(--c-primary);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.m-card:hover .arrow{gap:10px}
.m-card--lg{grid-column:span 6;flex-direction:row;gap:28px;align-items:center;padding:28px;overflow:hidden}
.m-card--lg .m-media{flex:0 0 42%;overflow:hidden;border-radius:var(--r-img)}
.m-card--lg .m-media img{width:100%;height:250px;object-fit:cover;transition:transform .5s var(--ease)}
.m-card--lg:hover .m-media img{transform:scale(1.04)}
.m-card--sm{grid-column:span 3;padding:26px}
.m-card--sm .m-media{margin-bottom:18px;overflow:hidden;border-radius:var(--r-img)}
.m-card--sm .m-media img{width:100%;height:168px;object-fit:cover;transition:transform .5s var(--ease)}
.m-card--sm:hover .m-media img{transform:scale(1.04)}
.m-card--wide{display:flex;flex-direction:row;gap:22px;align-items:flex-start}
.m-card--wide .m-media{flex:0 0 38%;overflow:hidden;border-radius:var(--r-img)}
.m-card--wide .m-media img{height:150px;width:100%;object-fit:cover;transition:transform .5s var(--ease)}
.m-card--wide:hover .m-media img{transform:scale(1.04)}
.tag{
  display:inline-block;padding:4px 10px;border-radius:var(--r-tag);font-size:12px;font-weight:600;
  letter-spacing:.05em;background:var(--c-primary-l);color:var(--c-primary-d);
}
.tag--accent{background:var(--c-accent-l);color:#C2521F}
.tag--ok{background:#E6F5EE;color:#1F7A51}
.tag--mute{background:#F1EEE6;color:var(--c-sub)}

/* Tier list (dark) */
.tier-section{background:var(--c-ink);color:#F6F3EC;padding:72px 0}
.tier-list{border-top:1px solid rgba(246,243,236,.14)}
.tier-row{
  display:grid;grid-template-columns:72px 1.1fr 1.6fr 220px 108px;gap:20px;align-items:center;
  padding:22px 8px;border-bottom:1px solid rgba(246,243,236,.12);
  transition:background .22s var(--ease);
}
.tier-row:hover{background:rgba(14,140,127,.12)}
.tier-num{font-family:var(--mono);font-size:20px;color:#7FD3C9;font-weight:700}
.tier-name{font-size:16px;font-weight:700;color:#fff}
.tier-cond{font-size:14px;color:rgba(246,243,236,.66)}
.tier-meter{height:8px;border-radius:999px;background:rgba(246,243,236,.14);overflow:hidden}
.tier-meter i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--c-primary),#5AC9BA);width:var(--w,40%)}
.tier-row .tag{text-align:center}
.tier-foot{margin-top:26px;font-size:13.5px;color:rgba(246,243,236,.6)}

/* Flow */
.flow-list{position:relative;display:grid;gap:0;margin-top:8px}
.flow-item{
  position:relative;display:grid;grid-template-columns:74px 1fr;gap:22px;padding:0 0 32px;
}
.flow-item:last-child{padding-bottom:0}
.flow-item::before{
  content:"";position:absolute;left:26px;top:56px;bottom:0;width:2px;background:var(--c-line);
}
.flow-item:last-child::before{display:none}
.flow-num{
  width:54px;height:54px;border-radius:50%;display:grid;place-items:center;
  background:var(--c-card);border:1px solid var(--c-line);box-shadow:var(--sh1);
  font-family:var(--mono);font-size:17px;font-weight:700;color:var(--c-primary-d);z-index:1;
}
.flow-body h3{font-size:1.15rem;font-weight:700;color:var(--c-ink);margin-bottom:8px}
.flow-body p{font-size:14.5px;color:var(--c-sub);max-width:660px}
.flow-body .tag{margin-top:12px}
.flow-aside{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh1);padding:26px;
}
.flow-aside h3{font-size:1.05rem;font-weight:700;color:var(--c-ink);margin-bottom:14px}
.flow-aside ul{display:grid;gap:12px}
.flow-aside li{font-size:14px;color:var(--c-sub);padding-left:18px;position:relative}
.flow-aside li::before{
  content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;background:var(--c-accent);
}
.flow-layout{display:grid;grid-template-columns:1.35fr .85fr;gap:40px;align-items:start}

/* FAQ */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;transition:box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.faq-item:hover{border-color:#BEE2DC}
.faq-item.is-open{box-shadow:var(--sh2);border-color:#BEE2DC}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;text-align:left;font-size:15.5px;font-weight:600;color:var(--c-ink);
}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--c-primary-l);
  display:grid;place-items:center;transition:transform .3s var(--ease),background .3s var(--ease);
}
.faq-icon svg{width:14px;height:14px;stroke:var(--c-primary-d);stroke-width:2;fill:none}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:var(--c-primary)}
.faq-item.is-open .faq-icon svg{stroke:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s var(--ease)}
.faq-a p{padding:0 22px 20px;font-size:14.5px;color:var(--c-sub)}
.faq-item.is-open .faq-a{max-height:320px}

/* CTA */
.cta-band{
  background:var(--c-ink) url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  color:#fff;padding:56px 0;border-radius:0;
}
.cta-inner{
  position:relative;display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between;
  background:linear-gradient(90deg,rgba(16,22,26,.9),rgba(10,106,96,.72));
  border:1px solid rgba(246,243,236,.16);border-radius:var(--r-card);padding:34px 32px;
}
.cta-inner h2{font-size:1.5rem;font-weight:800;letter-spacing:-.01em;color:#fff}
.cta-inner p{margin-top:8px;font-size:14.5px;color:rgba(246,243,236,.76);max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* Related */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.rel-card{
  display:flex;flex-direction:column;gap:6px;padding:22px 24px;
  border-right:1px solid var(--c-line);transition:background .22s var(--ease)
}
.rel-card:last-child{border-right:0}
.rel-card:hover{background:var(--c-primary-l)}
.rel-title{font-size:15.5px;font-weight:700;color:var(--c-ink)}
.rel-desc{font-size:13.5px;color:var(--c-sub)}
.rel-arrow{font-size:14px;font-weight:600;color:var(--c-primary);margin-top:6px}

/* Footer */
.site-footer{background:var(--c-ink);color:#D9DCD8;padding:60px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;padding-bottom:40px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand .brand-text{color:#fff}
.footer-brand p{font-size:14px;color:rgba(246,243,236,.66);max-width:320px}
.footer-rings{display:flex;gap:8px;margin-top:20px}
.footer-rings span{width:26px;height:26px;border-radius:50%;border:1px solid rgba(127,211,201,.5)}
.footer-rings span:nth-child(2){width:18px;height:18px;margin-top:4px;border-color:rgba(242,112,58,.6)}
.footer-rings span:nth-child(3){width:10px;height:10px;margin-top:8px;border-color:rgba(246,243,236,.4)}
.footer-col h4{font-size:14px;letter-spacing:.08em;color:#fff;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:rgba(246,243,236,.68)}
.footer-col a:hover{color:#7FD3C9}
.footer-col span{display:block;font-size:13.5px;color:rgba(246,243,236,.6);margin-bottom:10px}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  border-top:1px solid rgba(246,243,236,.14);padding:20px 0 28px;font-size:13px;color:rgba(246,243,236,.55);
}
.to-top{
  position:fixed;right:20px;bottom:96px;width:46px;height:46px;border-radius:50%;
  background:var(--c-primary);color:#fff;display:grid;place-items:center;
  box-shadow:var(--sh2);opacity:0;visibility:hidden;transform:translateY(8px);z-index:115;
  transition:opacity .25s var(--ease),transform .25s var(--ease),visibility .25s;
}
.to-top.is-show{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--c-primary-d)}
.to-top svg{width:20px;height:20px;stroke:#fff;stroke-width:2;fill:none}

/* Mobile tabs */
.mobile-tabs{
  position:fixed;left:0;right:0;bottom:0;z-index:130;display:none;
  background:rgba(255,255,255,.96);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-top:1px solid var(--c-line);padding-bottom:env(safe-area-inset-bottom);
}
.mobile-tabs a{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  padding:9px 2px 8px;font-size:11px;color:var(--c-sub);letter-spacing:.02em;
}
.mobile-tabs a svg{width:22px;height:22px;stroke:currentColor;stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round}
.mobile-tabs a.is-active{color:var(--c-primary-d);font-weight:700}
.mobile-tabs a.is-active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:26px;height:2px;border-radius:2px;background:var(--c-primary);
}

/* Reveal */
.reveal-up{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal-up.is-in{opacity:1;transform:none}

/* Responsive */
@media (max-width:1199px){
  .tier-row{grid-template-columns:56px 1fr 1.4fr 180px 100px;gap:16px}
}
@media (max-width:991px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-rings{order:-1;justify-items:start}
  .hero-rings svg{width:220px}
  .hero-rings .ring-core b{font-size:26px}
  .page-hero{padding:124px 0 60px}
  .matrix{grid-template-columns:repeat(4,1fr)}
  .m-card--lg{grid-column:span 4;flex-direction:column;align-items:stretch}
  .m-card--lg .m-media{flex:none}
  .m-card--lg .m-media img{height:220px}
  .m-card--sm{grid-column:span 2}
  .m-card{grid-column:span 2}
  .m-card--wide{flex-direction:column}
  .m-card--wide .m-media{flex:none}
  .flow-layout{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .rel-grid{grid-template-columns:1fr}
  .rel-card{border-right:0;border-bottom:1px solid var(--c-line)}
  .rel-card:last-child{border-bottom:0}
  .tier-row{grid-template-columns:48px 1fr 110px;grid-template-areas:"num name status" "meter meter meter";row-gap:12px}
  .tier-num{grid-area:num}
  .tier-name{grid-area:name}
  .tier-cond{grid-area:name;margin-top:22px;font-size:13px}
  .tier-meter{grid-area:meter}
  .tier-row .tag{grid-area:status;justify-self:end}
}
@media (max-width:767px){
  body{padding-bottom:66px}
  .container{padding:0 16px}
  .main-nav{gap:0}
  .main-nav .nav-link{display:none}
  .main-nav .nav-cta{display:inline-flex}
  .mobile-tabs{display:grid;grid-template-columns:repeat(5,1fr)}
  .section{padding:44px 0}
  .section--tight{padding:36px 0}
  .tier-section{padding:48px 0}
  .cta-band{padding:36px 0}
  .cta-inner{padding:26px 20px}
  .cta-inner h2{font-size:1.25rem}
  .hero-stats{gap:24px}
  .hero-stat b{font-size:22px}
  .matrix{grid-template-columns:1fr}
  .m-card,.m-card--sm,.m-card--lg{grid-column:span 1}
  .m-card--lg .m-media img{height:190px}
  .flow-item{grid-template-columns:56px 1fr;gap:16px}
  .flow-item::before{left:21px;top:50px}
  .flow-num{width:44px;height:44px;font-size:15px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .to-top{bottom:86px;right:16px}
}
@media (max-width:576px){
  .brand-text{font-size:16px}
  .page-hero{padding:112px 0 52px}
  .page-hero h1{font-size:1.7rem}
  .hero-sub{font-size:15.5px}
  .hero-actions .btn{flex:1 1 100%}
  .panel{padding:20px}
  .progress-wrap{flex-direction:column;align-items:flex-start}
}

/* roulang page: category4 */
:root{
  --c-primary:#0E8C7F;
  --c-primary-dark:#0A6A60;
  --c-primary-light:#E4F4F1;
  --c-accent:#F2703A;
  --c-accent-light:#FDEDE5;
  --ink:#10161A;
  --text:#1C2226;
  --muted:#5A666E;
  --line:#E6E2D9;
  --bg:#F6F3EC;
  --white:#FFFFFF;
  --ok:#2E9E6B;
  --warn:#C8871A;
  --r-card:16px;
  --r-img:14px;
  --r-tag:6px;
  --r-btn:999px;
  --sh1:0 2px 8px rgba(16,22,26,.06);
  --sh2:0 10px 28px rgba(16,22,26,.10);
  --sh3:0 20px 50px rgba(16,22,26,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
a:hover{color:var(--c-primary-dark)}
button{font-family:inherit;font-size:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h2{font-size:1.6rem;line-height:1.4;font-weight:700;letter-spacing:-.01em;color:var(--ink)}
h3{font-size:1.15rem;line-height:1.5;font-weight:600;color:var(--ink)}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.row{display:flex;flex-wrap:wrap;margin:0 -12px;max-width:none;align-items:flex-start}
.row::before,.row::after{display:none}
.column,.columns{flex:1 1 auto;min-width:0;padding:0 12px;float:none}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(246,243,236,.88);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .28s var(--ease),background .28s var(--ease);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;transition:height .28s var(--ease)}
.site-header.is-scrolled{box-shadow:var(--sh2);background:rgba(246,243,236,.97)}
.site-header.is-scrolled .header-inner{height:60px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;letter-spacing:-.02em;font-size:1.06rem;color:var(--ink)}
.brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:50%;background:linear-gradient(140deg,var(--c-primary),var(--c-primary-dark));display:grid;place-items:center;box-shadow:0 6px 16px rgba(14,140,127,.28)}
.brand-mark svg{width:20px;height:20px;display:block}
.brand-text{white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{position:relative;padding:8px 12px;font-size:.94rem;color:var(--muted);border-radius:8px;transition:color .2s var(--ease),background .2s var(--ease);white-space:nowrap}
.nav-link:hover{color:var(--c-primary-dark);background:var(--c-primary-light)}
.nav-link.is-active{color:var(--c-primary-dark);font-weight:600}
.nav-link.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;border-radius:2px;background:var(--c-primary)}
.nav-cta{margin-left:10px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:var(--r-btn);padding:12px 24px;font-size:.95rem;font-weight:600;line-height:1.2;cursor:pointer;text-align:center;transition:transform .22s var(--ease),background .22s var(--ease),box-shadow .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease)}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh1)}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;box-shadow:var(--sh2);transform:translateY(-1px)}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:var(--sh1)}
.btn-accent:hover{background:#d95f2c;color:#fff;box-shadow:var(--sh2);transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:rgba(14,140,127,.5);color:var(--c-primary-dark)}
.btn-ghost:hover{background:var(--c-primary-light);border-color:var(--c-primary)}
.btn-light{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-light:hover{border-color:var(--c-primary);color:var(--c-primary-dark)}
.btn-on-dark{background:#fff;color:var(--ink)}
.btn-on-dark:hover{background:var(--c-primary-light);color:var(--c-primary-dark)}
.btn-sm{padding:9px 18px;font-size:.88rem}
.btn-block{width:100%}

/* ---------- tags ---------- */
.tag{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:var(--r-tag);font-size:12.5px;letter-spacing:.04em;line-height:1.7;background:var(--c-primary-light);color:var(--c-primary-dark);white-space:nowrap}
.tag-accent{background:var(--c-accent-light);color:#b34716}
.tag-ok{background:rgba(46,158,107,.12);color:#1f7a51}
.tag-warn{background:rgba(200,135,26,.14);color:#8d5f0f}
.tag-plain{background:#F1EFE8;color:var(--muted)}

/* ---------- page hero ---------- */
.page-hero{position:relative;background:var(--ink);color:#fff;overflow:hidden;padding:88px 0 76px}
.page-hero__bg{position:absolute;inset:0;background-image:url(/assets/images/backpic/back-2.webp);background-size:cover;background-position:center;opacity:.32}
.page-hero__veil{position:absolute;inset:0;background:linear-gradient(112deg,rgba(16,22,26,.95) 0%,rgba(16,22,26,.78) 52%,rgba(14,140,127,.46) 100%)}
.page-hero .container{position:relative;z-index:3}
.page-hero__ring{position:absolute;right:-90px;top:-70px;width:420px;height:420px;border-radius:50%;border:1px dashed rgba(255,255,255,.22);z-index:2;animation:spin 26s linear infinite}
.page-hero__ring::before{content:"";position:absolute;inset:52px;border-radius:50%;border:1px solid rgba(228,244,241,.28)}
.page-hero__ring::after{content:"";position:absolute;inset:120px;border-radius:50%;border:1px solid rgba(242,112,58,.5)}
@keyframes spin{to{transform:rotate(360deg)}}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:#9FD9D1;margin-bottom:18px}
.eyebrow::before{content:"";width:26px;height:1px;background:#9FD9D1;display:inline-block}
.page-hero h1{font-size:clamp(1.8rem,4vw,2.8rem);line-height:1.2;letter-spacing:-.02em;font-weight:800;color:#fff;max-width:720px}
.page-hero__sub{margin-top:16px;max-width:640px;color:rgba(255,255,255,.78);font-size:1rem}
.page-hero__stats{display:flex;flex-wrap:wrap;gap:14px 40px;margin-top:34px;padding-top:26px;border-top:1px solid rgba(255,255,255,.16)}
.stat__num{font-family:var(--font-mono);font-size:1.75rem;font-weight:700;color:#fff;letter-spacing:-.02em;line-height:1.2}
.stat__num small{font-size:.85rem;font-weight:500;color:#9FD9D1;margin-left:4px}
.stat__label{font-size:13px;letter-spacing:.06em;color:rgba(255,255,255,.62);margin-top:2px}

/* ---------- breadcrumb ---------- */
.crumb{padding:20px 0 0;font-size:13.5px;color:var(--muted);display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--c-primary-dark)}
.crumb span.sep{color:#BEB8AC}
.crumb .now{color:var(--text);font-weight:600}

/* ---------- section ---------- */
.sec{padding:64px 0}
.sec--tight{padding:44px 0}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}
.sec-head p{color:var(--muted);font-size:.95rem;max-width:620px;margin-top:8px}
.sec-kicker{font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--c-primary);margin-bottom:10px;display:block}

/* ---------- layout ---------- */
.layout{display:grid;grid-template-columns:296px minmax(0,1fr);gap:34px;align-items:start}
.side-sticky{position:sticky;top:96px;display:grid;gap:18px}

/* ---------- side cards ---------- */
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh1);transition:box-shadow .25s var(--ease),border-color .25s var(--ease)}
.side-card:hover{box-shadow:var(--sh2);border-color:#D6EFEA}
.side-card h3{font-size:1rem;margin-bottom:12px}
.side-list{display:grid;gap:10px}
.side-list li{position:relative;padding-left:16px;font-size:14px;color:var(--muted);line-height:1.75}
.side-list li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--c-primary)}
.anchor-list{display:grid;gap:2px;margin-top:14px}
.anchor-list a{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:9px 12px;border-radius:10px;font-size:14px;color:var(--muted);transition:background .2s var(--ease),color .2s var(--ease)}
.anchor-list a:hover{background:var(--c-primary-light);color:var(--c-primary-dark)}
.anchor-list a::after{content:"↘";font-size:12px;opacity:.55}
.ring-wrap{display:flex;align-items:center;gap:16px}
.ring{position:relative;width:104px;height:104px;flex:0 0 104px}
.ring svg{width:104px;height:104px;transform:rotate(-90deg)}
.ring circle{fill:none;stroke-width:9;stroke-linecap:round}
.ring .track{stroke:#EDEAE1}
.ring .bar{stroke:var(--c-primary);stroke-dasharray:326.7;stroke-dashoffset:326.7;transition:stroke-dashoffset 1.4s var(--ease)}
.ring.is-visible .bar{stroke-dashoffset:26}
.ring__num{position:absolute;inset:0;display:grid;place-items:center;font-family:var(--font-mono);font-size:1.35rem;font-weight:700;color:var(--ink)}
.ring-meta strong{display:block;font-size:.98rem;color:var(--ink);margin-bottom:4px}
.ring-meta span{font-size:13.5px;color:var(--muted);line-height:1.7}

/* ---------- group blocks ---------- */
.group{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px;box-shadow:var(--sh1);margin-bottom:24px}
.group__head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;margin-bottom:18px;border-bottom:1px solid var(--line)}
.group__head h2{font-size:1.25rem;display:flex;align-items:center;gap:12px}
.group__idx{font-family:var(--font-mono);font-size:.8rem;font-weight:700;color:var(--c-primary);background:var(--c-primary-light);border-radius:var(--r-tag);padding:3px 9px;letter-spacing:.06em}
.entry{display:grid;grid-template-columns:40px minmax(0,1fr) auto;gap:14px;padding:18px;border:1px solid var(--line);border-radius:14px;transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease),background .25s var(--ease)}
.entry + .entry{margin-top:12px}
.entry:hover{transform:translateY(-3px);box-shadow:var(--sh2);border-color:#D6EFEA;background:#FDFDFB}
.entry__no{width:40px;height:40px;border-radius:12px;background:var(--c-primary-light);color:var(--c-primary-dark);display:grid;place-items:center;font-family:var(--font-mono);font-weight:700;font-size:.9rem}
.entry__title{font-size:1.02rem;font-weight:600;color:var(--ink);display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.entry__desc{color:var(--muted);font-size:14.5px;margin-top:6px;line-height:1.8}
.entry__meta{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:10px;font-size:13px;color:var(--muted)}
.entry__meta b{color:var(--text);font-weight:600}
.entry__side{display:flex;flex-direction:column;align-items:flex-end;gap:8px;text-align:right}
.entry__time{font-family:var(--font-mono);font-size:13px;color:var(--muted)}

/* ---------- feature image card ---------- */
.feature{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);background:var(--ink);border-radius:var(--r-card);overflow:hidden;margin:28px 0 24px}
.feature__body{padding:32px;color:rgba(255,255,255,.78)}
.feature__body h3{color:#fff;font-size:1.3rem;margin-bottom:12px}
.feature__body p{font-size:14.5px;line-height:1.85}
.feature__points{margin-top:18px;display:grid;gap:8px}
.feature__points li{position:relative;padding-left:20px;font-size:14px}
.feature__points li::before{content:"";position:absolute;left:2px;top:10px;width:7px;height:7px;border-radius:50%;border:2px solid var(--c-accent)}
.feature__media{position:relative;min-height:280px;overflow:hidden}
.feature__media img{width:100%;height:100%;object-fit:cover}
.feature__badge{position:absolute;left:16px;top:16px;background:var(--c-accent);color:#fff;font-size:12.5px;letter-spacing:.06em;border-radius:var(--r-tag);padding:4px 10px;font-family:var(--font-mono)}

/* ---------- compare list ---------- */
.compare{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh1)}
.compare__head,.compare__row{display:grid;grid-template-columns:1.1fr .9fr 1fr 1.2fr;gap:16px;padding:16px 22px;align-items:center}
.compare__head{background:var(--c-primary-light);font-size:13px;letter-spacing:.06em;color:var(--c-primary-dark);font-weight:600}
.compare__row{border-top:1px solid var(--line);transition:background .22s var(--ease)}
.compare__row:hover{background:#FDFDFB}
.compare__row strong{font-weight:600;color:var(--ink);font-size:.98rem}
.compare__row span{font-size:14px;color:var(--muted)}
.compare__row .mono{font-size:13.5px}

/* ---------- faq ---------- */
.faq{display:grid;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:box-shadow .25s var(--ease),border-color .25s var(--ease)}
.faq-item:hover{border-color:#D6EFEA}
.faq-item.is-open{box-shadow:var(--sh2);border-color:#D6EFEA}
.faq-q{width:100%;background:none;border:0;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;text-align:left;font-size:1rem;font-weight:600;color:var(--ink);cursor:pointer}
.faq-q .chev{flex:0 0 24px;width:24px;height:24px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;transition:transform .3s var(--ease),border-color .3s var(--ease),background .3s var(--ease)}
.faq-q .chev::before{content:"";width:8px;height:8px;border-right:1.8px solid var(--muted);border-bottom:1.8px solid var(--muted);transform:rotate(45deg) translate(-1px,-1px)}
.faq-item.is-open .chev{transform:rotate(180deg);background:var(--c-primary-light);border-color:#CFE9E4}
.faq-a{max-height:0;overflow:hidden;transition:max-height .36s var(--ease)}
.faq-a p{padding:0 22px 20px;color:var(--muted);font-size:14.5px;line-height:1.85}

/* ---------- cta band ---------- */
.cta-band{background:var(--ink);border-radius:var(--r-card);padding:36px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;position:relative;overflow:hidden;box-shadow:var(--sh2)}
.cta-band::after{content:"";position:absolute;right:-70px;bottom:-90px;width:280px;height:280px;border-radius:50%;border:1px dashed rgba(255,255,255,.18)}
.cta-band__text{position:relative;z-index:2;max-width:600px}
.cta-band h2{color:#fff;font-size:1.45rem}
.cta-band p{color:rgba(255,255,255,.72);margin-top:10px;font-size:14.5px}
.cta-band__actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px}

/* ---------- related ---------- */
.related{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.related a{display:block;background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 22px;transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease)}
.related a:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:#D6EFEA}
.related strong{display:block;font-size:1rem;color:var(--ink);font-weight:600}
.related span{display:block;margin-top:8px;font-size:13.5px;color:var(--muted);line-height:1.75}
.related em{display:block;margin-top:14px;font-style:normal;font-size:13px;color:var(--c-primary-dark);font-family:var(--font-mono)}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);margin-top:64px;padding:56px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .9fr 1fr;gap:34px}
.footer-brand .brand{color:#fff;margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.85;max-width:320px}
.footer-rings{display:flex;gap:10px;margin-top:20px}
.footer-rings span{width:26px;height:26px;border-radius:50%;border:1px solid rgba(255,255,255,.3)}
.footer-rings span:nth-child(2){border-color:rgba(14,140,127,.75)}
.footer-rings span:nth-child(3){border-color:rgba(242,112,58,.8)}
.footer-col h4{color:#fff;font-size:.98rem;margin-bottom:16px;font-weight:600}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s var(--ease)}
.footer-col a:hover{color:#9FD9D1}
.footer-col span{display:block;font-size:13.5px;line-height:1.8;margin-bottom:10px}
.footer-bottom{margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.52)}

/* ---------- back to top ---------- */
.to-top{position:fixed;right:20px;bottom:96px;width:46px;height:46px;border-radius:50%;border:0;background:var(--c-primary);color:#fff;display:grid;place-items:center;box-shadow:var(--sh2);cursor:pointer;opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .28s var(--ease),transform .28s var(--ease),visibility .28s,background .22s var(--ease);z-index:90}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--c-primary-dark)}
.to-top svg{width:20px;height:20px}

/* ---------- mobile tab bar ---------- */
.mobile-tab{display:none;position:fixed;left:0;right:0;bottom:0;z-index:95;background:rgba(255,255,255,.97);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}
.mobile-tab__inner{display:grid;grid-template-columns:repeat(5,1fr)}
.tab-item{position:relative;display:flex;flex-direction:column;align-items:center;gap:3px;padding:9px 2px 8px;font-size:11px;color:var(--muted);letter-spacing:.02em}
.tab-item svg{width:22px;height:22px;stroke-width:1.7}
.tab-item.is-active{color:var(--c-primary-dark);font-weight:700}
.tab-item.is-active::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:30px;height:2px;border-radius:2px;background:var(--c-primary)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .layout{grid-template-columns:264px minmax(0,1fr);gap:26px}
}
@media (max-width:991px){
  .main-nav .nav-link{display:none}
  .nav-cta{margin-left:0}
  .mobile-tab{display:block}
  body{padding-bottom:76px}
  .layout{grid-template-columns:1fr;gap:26px}
  .side-sticky{position:static}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .feature{grid-template-columns:1fr}
  .feature__media{min-height:220px;order:-1}
  .compare__head{display:none}
  .compare__row{grid-template-columns:1fr;gap:8px;padding:18px 20px}
  .compare__row span[data-label]::before{content:attr(data-label) "：";color:var(--ink);font-weight:600}
  .to-top{bottom:92px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .sec{padding:44px 0}
  .page-hero{padding:64px 0 52px}
  .page-hero__ring{width:280px;height:280px;right:-110px;top:-80px}
  .page-hero__stats{gap:16px 28px}
  .stat__num{font-size:1.45rem}
  .related{grid-template-columns:1fr}
  .entry{grid-template-columns:36px minmax(0,1fr);gap:12px}
  .entry__side{grid-column:1 / -1;align-items:flex-start;text-align:left;flex-direction:row}
  .group{padding:20px}
  .cta-band{padding:26px}
  .footer-grid{grid-template-columns:1fr}
  .site-footer{padding:44px 0 24px;margin-top:44px}
}
@media (max-width:576px){
  .header-inner{height:62px}
  .brand-text{font-size:.98rem}
  .page-hero h1{font-size:1.7rem}
  .entry__title{font-size:.98rem}
  .sec-head h2{font-size:1.35rem}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.01ms !important}
  .reveal{opacity:1;transform:none}
}