/* roulang page: index */
:root{
  --ink:#0B1F1A;
  --ink-2:#16332A;
  --paper:#F6F4EF;
  --paper-2:#FFFFFF;
  --accent:#C9F24D;
  --accent-soft:rgba(201,242,77,.14);
  --warm:#D9602A;
  --line:rgba(11,31,26,.12);
  --muted:rgba(11,31,26,.62);
  --cream:rgba(246,244,239,.72);
  --radius:16px;
  --radius-sm:12px;
  --shadow-1:0 1px 2px rgba(11,31,26,.06);
  --shadow-2:0 12px 28px rgba(11,31,26,.12);
  --ease:cubic-bezier(.2,.8,.2,1);
  --nav-w:92px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:24px}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5,p,figure,ul,ol,blockquote{margin:0}
ul,ol{list-style:none;padding:0}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
a:hover,a:focus{color:inherit;text-decoration:none}
button{font-family:inherit}
::selection{background:var(--accent);color:var(--ink)}

h1{font-size:clamp(30px,5.2vw,56px);line-height:1.16;font-weight:700;letter-spacing:-.02em}
h2{font-size:clamp(24px,3.4vw,36px);line-height:1.25;font-weight:700;letter-spacing:-.015em}
h3{font-size:20px;line-height:1.4;font-weight:600}
h4{font-size:17px;line-height:1.5;font-weight:600}
p{line-height:1.85}

.container{width:100%;max-width:1260px;margin-left:auto;margin-right:auto;padding-left:28px;padding-right:28px}
.section{padding:104px 0}
.section--tight{padding:76px 0}
.section--ink{background:var(--ink);color:var(--paper)}
.section--ink h2,.section--ink h3{color:var(--paper)}
.divider{height:1px;background:var(--line);border:0;margin:0}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.2em;
  color:var(--warm);text-transform:uppercase;margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--warm);border-radius:2px}
.section-head{max-width:740px;margin-bottom:52px}
.section-head p{color:var(--muted);font-size:16.5px;margin-top:14px;max-width:620px}
.section--ink .section-head p{color:var(--cream)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:46px;padding:13px 28px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .18s var(--ease),color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.btn i{transition:transform .18s var(--ease)}
.btn--primary{background:var(--accent);color:var(--ink)}
.btn--primary:hover{background:#b9e33c;color:var(--ink);transform:translateY(-1px);box-shadow:0 12px 26px rgba(201,242,77,.32)}
.btn--primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(201,242,77,.28)}
.btn--ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn--ghost:hover{background:var(--ink);color:var(--paper)}
.btn--solid{background:var(--ink);color:var(--paper)}
.btn--solid:hover{background:var(--ink-2);color:var(--accent);transform:translateY(-1px)}
.btn--text{background:none;border:none;padding:8px 0;min-height:auto;color:var(--ink);border-bottom:1px solid var(--line);border-radius:0}
.btn--text:hover{color:var(--ink);border-bottom-color:var(--ink)}
.btn--text:hover i{transform:translateX(4px)}
.btn:focus-visible,a:focus-visible,button:focus-visible{outline:3px solid rgba(201,242,77,.45);outline-offset:2px}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;border-radius:999px;
  font-size:12.5px;font-weight:600;line-height:1.6;
  background:var(--accent-soft);color:var(--ink);
  border:1px solid rgba(11,31,26,.08);
}
.badge i{font-size:11px;color:var(--warm)}
.badge--warm{background:rgba(217,96,42,.12);border-color:rgba(217,96,42,.22)}
.badge--outline{background:transparent;border-color:var(--line);color:var(--muted)}
.badge-row{display:flex;flex-wrap:wrap;gap:10px}

/* ---------- 侧边导航 ---------- */
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);
  background:var(--ink);z-index:50;overflow:hidden;
  transition:width .28s var(--ease);
}
.side-nav:hover,.side-nav:focus-within{width:248px;box-shadow:10px 0 36px rgba(11,31,26,.26)}
.side-nav__inner{width:248px;height:100%;padding:26px 20px 22px;display:flex;flex-direction:column}
.side-brand{display:flex;align-items:center;gap:14px;padding-bottom:22px;border-bottom:1px solid rgba(246,244,239,.13)}
.side-brand__mark{
  flex:0 0 52px;width:52px;height:52px;border-radius:15px;
  background:var(--accent);color:var(--ink);
  display:grid;place-items:center;font-weight:800;font-size:15px;letter-spacing:-.04em;
}
.side-brand__name{
  font-size:13.5px;font-weight:600;line-height:1.4;color:var(--paper);
  width:150px;opacity:0;transition:opacity .2s var(--ease);
}
.side-nav:hover .side-brand__name,.side-nav:focus-within .side-brand__name{opacity:1}
.side-group{margin-top:24px;display:flex;flex-direction:column;gap:2px}
.side-group__label{
  font-size:11px;letter-spacing:.18em;color:rgba(246,244,239,.4);
  padding:0 0 10px 16px;opacity:0;transition:opacity .2s var(--ease);
}
.side-nav:hover .side-group__label,.side-nav:focus-within .side-group__label{opacity:1}
.side-link{
  position:relative;display:flex;align-items:center;
  height:48px;border-radius:12px;color:rgba(246,244,239,.7);
  transition:background-color .18s var(--ease),color .18s var(--ease);
}
.side-link i{flex:0 0 52px;width:52px;text-align:center;font-size:16px}
.side-link span{font-size:14px;font-weight:500;white-space:nowrap;opacity:0;transition:opacity .2s var(--ease)}
.side-nav:hover .side-link span,.side-nav:focus-within .side-link span{opacity:1}
.side-link:hover{background:rgba(246,244,239,.08);color:var(--paper)}
.side-link.is-active{color:var(--paper)}
.side-link.is-active::before{
  content:"";position:absolute;left:-20px;top:14px;bottom:14px;
  width:3px;border-radius:0 3px 3px 0;background:var(--accent);
}
.side-link.is-active i{color:var(--accent)}
.side-toc{margin-top:18px;padding-top:16px;border-top:1px solid rgba(246,244,239,.1);display:flex;flex-direction:column;gap:1px}
.side-toc a{
  display:flex;align-items:center;height:36px;border-radius:10px;
  color:rgba(246,244,239,.52);font-size:13px;transition:all .18s var(--ease);
}
.side-toc a::before{content:"";flex:0 0 52px;width:52px;height:1px;background:rgba(246,244,239,.22)}
.side-toc a span{opacity:0;transition:opacity .2s var(--ease);white-space:nowrap}
.side-nav:hover .side-toc a span,.side-nav:focus-within .side-toc a span{opacity:1}
.side-toc a:hover,.side-toc a.is-active{color:var(--accent)}
.side-toc a.is-active::before{background:var(--accent)}
.side-foot{margin-top:auto;padding-top:18px;display:flex;flex-direction:column;gap:12px}
.side-cta{
  display:flex;align-items:center;height:48px;border-radius:999px;
  background:var(--accent);color:var(--ink);font-weight:600;font-size:14px;
  transition:background-color .18s var(--ease),transform .18s var(--ease);
}
.side-cta i{flex:0 0 52px;width:52px;text-align:center;font-size:14px}
.side-cta span{opacity:0;transition:opacity .2s var(--ease);white-space:nowrap}
.side-nav:hover .side-cta span,.side-nav:focus-within .side-cta span{opacity:1}
.side-cta:hover{background:#b9e33c;transform:translateY(-1px)}
.side-contact{display:flex;align-items:center;color:rgba(246,244,239,.5);font-size:12.5px}
.side-contact i{flex:0 0 52px;width:52px;text-align:center;font-size:14px}
.side-contact span{opacity:0;transition:opacity .2s var(--ease);white-space:nowrap}
.side-nav:hover .side-contact span,.side-nav:focus-within .side-contact span{opacity:1}

/* ---------- 移动端顶栏 ---------- */
.mobile-bar{
  display:none;position:sticky;top:0;z-index:70;
  height:62px;padding:0 18px;
  background:var(--ink);color:var(--paper);
  align-items:center;justify-content:space-between;
}
.mobile-bar__brand{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:700;color:var(--paper)}
.mobile-bar__mark{
  width:34px;height:34px;border-radius:10px;background:var(--accent);color:var(--ink);
  display:grid;place-items:center;font-size:12px;font-weight:800;
}
.mobile-bar__toggle{
  width:44px;height:44px;border-radius:12px;border:1px solid rgba(246,244,239,.24);
  background:transparent;color:var(--paper);font-size:17px;cursor:pointer;
  display:grid;place-items:center;transition:background-color .18s var(--ease);
}
.mobile-bar__toggle:hover{background:rgba(246,244,239,.1)}

/* ---------- 抽屉 ---------- */
.drawer{background:var(--ink);color:var(--paper);width:300px;padding:24px 22px;display:flex;flex-direction:column}
.drawer__head{display:flex;align-items:center;justify-content:space-between;padding-bottom:20px;border-bottom:1px solid rgba(246,244,239,.13)}
.drawer__title{font-size:14.5px;font-weight:700;color:var(--paper)}
.drawer__close{
  width:40px;height:40px;border-radius:11px;border:1px solid rgba(246,244,239,.24);
  background:transparent;color:var(--paper);cursor:pointer;display:grid;place-items:center;
}
.drawer__nav{margin-top:18px;display:flex;flex-direction:column;gap:4px}
.drawer__nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 14px;border-radius:12px;
  color:rgba(246,244,239,.78);font-size:15px;transition:all .18s var(--ease);
}
.drawer__nav a:hover{background:rgba(246,244,239,.08);color:var(--paper)}
.drawer__nav a.is-active{background:rgba(201,242,77,.12);color:var(--accent)}
.drawer__nav a i{font-size:12px;opacity:.6}
.drawer__foot{margin-top:auto;padding-top:22px;display:flex;flex-direction:column;gap:12px}
.drawer__note{font-size:12.5px;color:rgba(246,244,239,.5);line-height:1.7}

/* ---------- 页面主体 ---------- */
.off-canvas-content{background:var(--paper)}
.page-body{padding-bottom:0}
@media screen and (min-width:1024px){
  .page-body{margin-left:var(--nav-w)}
}
@media screen and (max-width:1023px){
  .mobile-bar{display:flex}
  .side-nav{display:none}
}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;overflow:hidden;color:var(--paper);
  padding:132px 0 0;min-height:92vh;display:flex;flex-direction:column;justify-content:center;
}
.hero__bg{position:absolute;inset:0;background-size:cover;background-position:center;z-index:0}
.hero__overlay{
  position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(11,31,26,.60) 0%,rgba(11,31,26,.72) 55%,rgba(11,31,26,.86) 100%);
}
.hero__content{position:relative;z-index:2;max-width:820px}
.hero h1{color:var(--paper);margin:22px 0 0;max-width:16ch;color:#FFFFFF}
.hero__sub{
  margin-top:22px;font-size:clamp(16px,1.6vw,19px);line-height:1.8;
  color:rgba(246,244,239,.84);max-width:46ch;
}
.hero__actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:36px}
.hero .btn--ghost{border-color:rgba(246,244,239,.5);color:var(--paper)}
.hero .btn--ghost:hover{background:var(--paper);color:var(--ink);border-color:var(--paper)}
.hero .badge{background:rgba(246,244,239,.1);border-color:rgba(246,244,239,.2);color:var(--paper)}
.hero .badge i{color:var(--accent)}
.hero__stats-wrap{position:relative;z-index:2;margin-top:72px;padding-bottom:40px}
.hero__stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px;
  border-top:1px solid rgba(246,244,239,.2);padding-top:30px;
}
.stat__num{display:flex;align-items:baseline;gap:4px;font-size:clamp(30px,4vw,46px);font-weight:800;letter-spacing:-.03em;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1.1}
.stat__num em{font-style:normal;font-size:14px;font-weight:600;color:rgba(246,244,239,.8);letter-spacing:0}
.stat__label{font-size:13px;color:rgba(246,244,239,.66);margin-top:8px;letter-spacing:.02em}

/* ---------- 卖点交错 ---------- */
.values-list{margin-top:8px}
.value-row{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:64px;align-items:center;padding:56px 0;border-top:1px solid var(--line);
}
.value-row:last-child{border-bottom:1px solid var(--line)}
.value-media{
  border-radius:var(--radius);overflow:hidden;background:#e6e3da;
  aspect-ratio:4/3;box-shadow:var(--shadow-1);
}
.value-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.value-row:hover .value-media img{transform:scale(1.03)}
.value-row--rev .value-media{order:2}
.value-row--rev .value-body{order:1}
.value-num{
  font-size:clamp(56px,9vw,116px);font-weight:800;line-height:.9;letter-spacing:-.05em;
  color:transparent;-webkit-text-stroke:1.6px rgba(11,31,26,.28);
  font-variant-numeric:tabular-nums;
}
.value-body h3{margin:20px 0 14px;font-size:clamp(20px,2.2vw,26px)}
.value-body p{color:var(--muted);font-size:16px;max-width:46ch}
.value-inline{
  display:inline-flex;align-items:center;gap:7px;margin-top:18px;
  font-size:14.5px;font-weight:600;color:var(--ink);
  border-bottom:1px solid rgba(11,31,26,.22);padding-bottom:3px;
  transition:border-color .18s var(--ease),color .18s var(--ease);
}
.value-inline:hover{border-bottom-color:var(--accent);color:var(--ink)}
.value-inline i{transition:transform .18s var(--ease);font-size:12px}
.value-inline:hover i{transform:translateX(4px)}

/* ---------- 演示流程 ---------- */
.demo-wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:64px;align-items:start}
.timeline{position:relative;margin-top:6px}
.timeline__item{position:relative;display:grid;grid-template-columns:64px minmax(0,1fr);gap:22px;padding-bottom:42px}
.timeline__item:last-child{padding-bottom:0}
.timeline__item::before{
  content:"";position:absolute;left:31px;top:64px;bottom:6px;width:1px;background:var(--line);
}
.timeline__item:last-child::before{display:none}
.timeline__num{
  width:64px;height:64px;border-radius:50%;background:var(--ink);color:var(--accent);
  display:grid;place-items:center;font-weight:800;font-size:19px;
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
  box-shadow:0 0 0 6px rgba(11,31,26,.05);
}
.timeline__body h3{font-size:19px;margin-bottom:8px}
.timeline__body p{color:var(--muted);font-size:15.5px;max-width:44ch}
.demo-media{
  border-radius:var(--radius);overflow:hidden;background:#e6e3da;
  aspect-ratio:16/11;box-shadow:var(--shadow-2);position:sticky;top:36px;
}
.demo-media img{width:100%;height:100%;object-fit:cover}
.demo-note{
  margin-top:20px;padding:18px 22px;border-radius:var(--radius-sm);
  background:var(--accent-soft);border:1px solid rgba(11,31,26,.08);
  font-size:14.5px;color:var(--ink-2);
}

/* ---------- 证据 ---------- */
.proof-ten{
  font-size:clamp(72px,15vw,188px);font-weight:800;line-height:.88;
  letter-spacing:-.05em;color:var(--paper);font-variant-numeric:tabular-nums;
}
.proof-ten span{color:var(--accent)}
.proof-lead{max-width:620px;margin-top:24px;color:var(--cream);font-size:16.5px}
.review-track{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:8px 28px 20px;margin:0 -28px;
  -webkit-overflow-scrolling:touch;
}
.review-track::-webkit-scrollbar{height:6px}
.review-track::-webkit-scrollbar-track{background:rgba(246,244,239,.12);border-radius:99px}
.review-track::-webkit-scrollbar-thumb{background:rgba(201,242,77,.5);border-radius:99px}
.review-card{
  flex:0 0 320px;scroll-snap-align:start;
  background:rgba(246,244,239,.06);border:1px solid rgba(246,244,239,.16);
  border-radius:var(--radius);padding:24px;
  transition:border-color .2s var(--ease),background-color .2s var(--ease),transform .2s var(--ease);
}
.review-card:hover{border-color:rgba(201,242,77,.5);background:rgba(246,244,239,.1);transform:translateY(-3px)}
.review-card__head{display:flex;align-items:center;gap:12px}
.avatar{
  width:44px;height:44px;flex:0 0 44px;border-radius:50%;
  background:rgba(201,242,77,.18);color:var(--accent);
  display:grid;place-items:center;font-weight:700;font-size:15px;
}
.review-card__name{font-size:14.5px;font-weight:600;color:var(--paper)}
.review-card__meta{font-size:12.5px;color:rgba(246,244,239,.56)}
.review-card__body{margin-top:16px;font-size:14.5px;line-height:1.85;color:rgba(246,244,239,.82)}
.stars{margin-top:14px;color:var(--accent);font-size:12.5px;letter-spacing:2px}
.badge-bar{
  display:flex;flex-wrap:wrap;gap:12px;margin-top:44px;padding-top:32px;
  border-top:1px solid rgba(246,244,239,.16);
}
.badge-bar span{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:999px;font-size:13px;
  border:1px solid rgba(246,244,239,.22);color:rgba(246,244,239,.82);
}
.badge-bar span i{color:var(--accent);font-size:12px}

/* ---------- 价格 ---------- */
.price-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:center}
.price-card{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);
  padding:34px 30px;box-shadow:var(--shadow-1);
  transition:box-shadow .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.price-card:hover{box-shadow:var(--shadow-2);border-color:var(--ink-2);transform:translateY(-4px)}
.price-card--featured{
  background:var(--ink);color:var(--paper);border:1px solid var(--accent);
  transform:translateY(-20px);padding:46px 32px;
  box-shadow:0 26px 52px rgba(11,31,26,.26);
}
.price-card--featured:hover{transform:translateY(-24px);box-shadow:0 32px 60px rgba(11,31,26,.3)}
.price-card__tag{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:600;background:var(--accent);color:var(--ink);
}
.price-card__name{font-size:19px;font-weight:700;margin-bottom:6px}
.price-card--featured .price-card__name{color:var(--paper)}
.price-card__desc{font-size:13.5px;color:var(--muted)}
.price-card--featured .price-card__desc{color:rgba(246,244,239,.68)}
.price-card__amount{
  display:flex;align-items:baseline;gap:6px;margin:22px 0 6px;
  font-size:42px;font-weight:800;letter-spacing:-.03em;font-variant-numeric:tabular-nums;
}
.price-card__amount em{font-style:normal;font-size:14px;font-weight:600;color:var(--muted);letter-spacing:0}
.price-card--featured .price-card__amount{color:var(--accent)}
.price-card--featured .price-card__amount em{color:rgba(246,244,239,.7)}
.price-card__list{margin:24px 0 28px;padding-top:22px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:12px}
.price-card--featured .price-card__list{border-top-color:rgba(246,244,239,.18)}
.price-card__list li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-2);line-height:1.7}
.price-card--featured .price-card__list li{color:rgba(246,244,239,.86)}
.price-card__list i{color:var(--warm);font-size:12px;margin-top:7px;flex:0 0 auto}
.price-card--featured .price-card__list i{color:var(--accent)}
.price-card .btn{width:100%}
.price-foot{margin-top:44px;font-size:13.5px;color:var(--muted);text-align:center;line-height:1.9}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:920px;margin:0 auto}
.accordion{border:none;background:transparent;margin:0}
.accordion .accordion-item{border:none;border-top:1px solid var(--line);background:transparent}
.accordion .accordion-item:last-child{border-bottom:1px solid var(--line)}
.accordion .accordion-title{
  display:block;border:none;background:transparent;position:relative;
  padding:24px 56px 24px 0;font-size:17.5px;font-weight:600;color:var(--ink);
  min-height:48px;line-height:1.55;transition:color .18s var(--ease);
}
.accordion .accordion-title:hover,.accordion .accordion-title:focus{color:var(--ink);background:transparent}
.accordion .accordion-title h3{font-size:17.5px;font-weight:600;line-height:1.55;margin:0}
.accordion .accordion-title::before{display:none!important}
.accordion .accordion-title::after{
  content:"+";position:absolute;right:6px;top:50%;
  transform:translateY(-50%);font-size:26px;font-weight:300;line-height:1;
  color:var(--ink-2);transition:transform .25s var(--ease),color .2s var(--ease);
}
.accordion .accordion-title[aria-expanded="true"]::after{content:"–";color:var(--warm);transform:translateY(-50%) rotate(180deg)}
.accordion .accordion-content{
  border:none;background:transparent;padding:0 56px 26px 0;
  font-size:15.5px;color:var(--muted);line-height:1.9;
}
.accordion .accordion-content p{margin:0}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px}
.news-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.news-card:hover{box-shadow:var(--shadow-2);border-color:var(--ink-2)}
.news-card__media{display:block;aspect-ratio:16/9;overflow:hidden;background:#e6e3da}
.news-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.news-card:hover .news-card__media img{transform:scale(1.03)}
.news-card__body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.news-card__title{font-size:17px;font-weight:600;line-height:1.55;margin:14px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card__title a:hover{color:var(--warm)}
.news-card__excerpt{
  font-size:14.5px;color:var(--muted);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__meta{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:auto;padding-top:18px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
.news-card__meta a{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--ink)}
.news-card__meta a i{font-size:11px;transition:transform .18s var(--ease)}
.news-card__meta a:hover i{transform:translateX(4px)}
.news-card--wide{grid-column:span 2;flex-direction:row}
.news-card--wide .news-card__media{flex:0 0 48%;aspect-ratio:auto;min-height:280px}
.news-card--wide .news-card__body{padding:30px 32px}
.news-card--wide .news-card__title{font-size:22px;-webkit-line-clamp:3;margin-top:16px}
.news-card--wide .news-card__excerpt{-webkit-line-clamp:3;font-size:15px}
.empty-state{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;
  gap:16px;padding:64px 24px;border:1px dashed var(--line);border-radius:var(--radius);
  background:rgba(255,255,255,.6);text-align:center;
}
.empty-state i{font-size:32px;color:var(--ink-2);opacity:.5}
.empty-state p{color:var(--muted);font-size:15px}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--ink);color:var(--paper);border-radius:24px;
  padding:56px 48px;display:flex;flex-wrap:wrap;gap:28px;
  align-items:center;justify-content:space-between;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;
  border-radius:50%;background:rgba(201,242,77,.09);
}
.cta-band__text{max-width:560px;position:relative;z-index:1}
.cta-band h2{color:var(--paper);font-size:clamp(22px,2.8vw,30px)}
.cta-band p{color:var(--cream);font-size:15.5px;margin-top:12px}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:1}
.cta-band .btn--ghost{border-color:rgba(246,244,239,.5);color:var(--paper)}
.cta-band .btn--ghost:hover{background:var(--paper);color:var(--ink);border-color:var(--paper)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(246,244,239,.72);padding:76px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:44px}
.footer-brand__logo{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand__mark{
  width:42px;height:42px;border-radius:12px;background:var(--accent);color:var(--ink);
  display:grid;place-items:center;font-weight:800;font-size:13px;
}
.footer-brand__name{font-size:15px;font-weight:700;color:var(--paper)}
.footer-brand p{font-size:14px;line-height:1.9;max-width:34ch;color:rgba(246,244,239,.62)}
.footer-col h4{font-size:14px;font-weight:700;color:var(--paper);margin-bottom:18px;letter-spacing:.04em}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14px;color:rgba(246,244,239,.66);transition:color .18s var(--ease)}
.footer-col a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:4px}
.footer-col li span{font-size:14px;color:rgba(246,244,239,.66)}
.footer-col li i{width:18px;color:var(--accent);font-size:12px}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(246,244,239,.14);
  padding:26px 0 30px;display:flex;flex-wrap:wrap;gap:16px;
  align-items:center;justify-content:space-between;font-size:13px;
  color:rgba(246,244,239,.5);
}
.footer-bottom a{color:rgba(246,244,239,.62)}
.footer-bottom a:hover{color:var(--accent)}
.to-top{
  display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 18px;
  border-radius:999px;border:1px solid rgba(246,244,239,.24);
  background:transparent;color:rgba(246,244,239,.8);font-size:13px;cursor:pointer;
  transition:all .18s var(--ease);
}
.to-top:hover{background:var(--accent);color:var(--ink);border-color:var(--accent)}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:60;
  opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity .3s var(--ease),transform .3s var(--ease);
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta a{
  display:inline-flex;align-items:center;gap:10px;
  min-height:52px;padding:0 26px;border-radius:999px;
  background:var(--accent);color:var(--ink);font-weight:700;font-size:15px;
  box-shadow:0 14px 32px rgba(11,31,26,.24);
  transition:background-color .18s var(--ease),transform .18s var(--ease);
}
.float-cta a:hover{background:#b9e33c;transform:translateY(-2px)}
.float-cta a i{font-size:14px}
.float-cta__mini{
  margin-left:10px;width:46px;height:46px;border-radius:50%;
  display:inline-grid;place-items:center;background:var(--ink);color:var(--paper);
  border:1px solid rgba(246,244,239,.2);cursor:pointer;
  transition:background-color .18s var(--ease);
}
.float-cta__mini:hover{background:var(--ink-2)}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1439px){
  .container{max-width:1180px}
}
@media screen and (max-width:1023px){
  .container{padding-left:24px;padding-right:24px}
  .section{padding:76px 0}
  .section--tight{padding:60px 0}
  .hero{min-height:auto;padding:88px 0 0}
  .hero__stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
  .value-row{grid-template-columns:1fr;gap:32px;padding:44px 0}
  .value-row--rev .value-media{order:0}
  .value-row--rev .value-body{order:0}
  .value-body p{max-width:none}
  .demo-wrap{grid-template-columns:1fr;gap:40px}
  .demo-media{position:static}
  .price-grid{grid-template-columns:1fr;gap:20px;align-items:stretch}
  .price-card--featured{transform:none;padding:36px 30px}
  .price-card--featured:hover{transform:translateY(-4px)}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-card--wide{grid-column:span 2;flex-direction:column}
  .news-card--wide .news-card__media{flex:none;aspect-ratio:16/9;min-height:0}
  .news-card--wide .news-card__body{padding:24px 22px}
  .news-card--wide .news-card__title{font-size:19px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .cta-band{padding:44px 32px}
  .float-cta{right:0;left:0;bottom:0;border-radius:0;transform:translateY(100%)}
  .float-cta.is-visible{transform:translateY(0)}
  .float-cta a{
    border-radius:0;width:100%;justify-content:center;
    box-shadow:0 -8px 26px rgba(11,31,26,.18);
  }
  .float-cta__mini{display:none}
  .page-body{padding-bottom:64px}
}
@media screen and (max-width:768px){
  .section-head{margin-bottom:38px}
  .value-num{font-size:64px}
  .proof-ten{font-size:clamp(64px,22vw,120px)}
  .review-track{padding-left:20px;padding-right:20px;margin-left:-20px;margin-right:-20px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .cta-band{padding:38px 24px;border-radius:20px}
  .cta-band__actions{width:100%}
  .cta-band__actions .btn{width:100%}
}
@media screen and (max-width:599px){
  .container{padding-left:18px;padding-right:18px}
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  .hero{padding-top:64px}
  .hero__actions{gap:12px}
  .hero__actions .btn{width:100%}
  .hero__stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;padding-top:24px}
  .hero__stats-wrap{margin-top:48px}
  .news-grid{grid-template-columns:1fr;gap:18px}
  .news-card--wide{grid-column:span 1}
  .timeline__item{grid-template-columns:48px minmax(0,1fr);gap:16px}
  .timeline__num{width:48px;height:48px;font-size:15px}
  .timeline__item::before{left:23px;top:48px}
  .accordion .accordion-title{font-size:16px;padding-right:44px}
  .accordion .accordion-title h3{font-size:16px}
  .accordion .accordion-content{padding-right:20px}
  .review-card{flex:0 0 84vw}
  .cta-band{padding:32px 20px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.001ms!important;
    transition-duration:.001ms!important;
    scroll-behavior:auto!important;
  }
  .value-row:hover .value-media img,
  .news-card:hover .news-card__media img{transform:none}
}

/* roulang page: article */
:root{
  --ink:#0B1F1A;
  --ink-2:#16332A;
  --ink-3:#204639;
  --paper:#F6F4EF;
  --paper-2:#FFFFFF;
  --accent:#C9F24D;
  --accent-soft:rgba(201,242,77,.14);
  --warm:#D9602A;
  --warm-soft:rgba(217,96,42,.12);
  --line:rgba(11,31,26,.12);
  --line-strong:rgba(11,31,26,.22);
  --text:#16211D;
  --text-2:#5B6A63;
  --radius-card:16px;
  --radius-btn:999px;
  --radius-input:12px;
  --shadow-1:0 1px 2px rgba(11,31,26,.06);
  --shadow-2:0 12px 28px rgba(11,31,26,.12);
  --ease:cubic-bezier(.2,.8,.2,1);
  --rail:96px;
  --rail-open:240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--ink);text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--ink-2);}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(201,242,77,.55);outline-offset:2px;border-radius:6px;}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0 0 .5em;color:var(--ink);line-height:1.25;letter-spacing:-.01em;font-weight:700;}
h1{font-size:clamp(30px,5.2vw,56px);letter-spacing:-.02em;line-height:1.18;}
h2{font-size:clamp(24px,3.4vw,36px);}
h3{font-size:20px;}
p{margin:0 0 1em;}
ul,ol{margin:0 0 1em;padding-left:1.2em;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--text-2);font-weight:600;margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--accent);display:inline-block;}

/* ---------- 左侧竖向导航 ---------- */
.side-rail{
  position:fixed;left:0;top:0;bottom:0;width:var(--rail);
  background:var(--ink);color:#E9EFE8;z-index:60;
  display:flex;flex-direction:column;
  transition:width .28s var(--ease);
  overflow:hidden;
  border-right:1px solid rgba(255,255,255,.06);
}
.side-rail:hover,.side-rail:focus-within{width:var(--rail-open);}
.rail-brand{
  display:flex;align-items:center;gap:12px;
  padding:22px 0 22px 26px;min-height:88px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.rail-brand__mark{
  flex:0 0 auto;width:44px;height:44px;border-radius:12px;
  background:var(--accent);color:var(--ink);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:15px;letter-spacing:-.02em;
}
.rail-brand__text{white-space:nowrap;opacity:0;transition:opacity .2s var(--ease);}
.side-rail:hover .rail-brand__text,.side-rail:focus-within .rail-brand__text{opacity:1;}
.rail-brand__text strong{display:block;color:#fff;font-size:14px;line-height:1.35;}
.rail-brand__text span{display:block;color:rgba(233,239,232,.55);font-size:12px;letter-spacing:.06em;}
.side-group{display:flex;flex-direction:column;padding:18px 0;flex:1 1 auto;}
.side-group__label{
  white-space:nowrap;padding:0 0 10px 28px;
  font-size:11px;letter-spacing:.18em;color:rgba(233,239,232,.42);
  opacity:0;transition:opacity .2s var(--ease);
}
.side-rail:hover .side-group__label,.side-rail:focus-within .side-group__label{opacity:1;}
.side-link{
  position:relative;display:flex;align-items:center;gap:16px;
  color:rgba(233,239,232,.78);padding:14px 0 14px 32px;
  min-height:48px;white-space:nowrap;font-size:14.5px;
  border-left:3px solid transparent;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.side-link i{width:20px;text-align:center;font-size:16px;flex:0 0 20px;color:rgba(233,239,232,.6);}
.side-link span{opacity:0;transition:opacity .2s var(--ease);}
.side-rail:hover .side-link span,.side-rail:focus-within .side-link span{opacity:1;}
.side-link:hover{background:rgba(255,255,255,.06);color:#fff;}
.side-link:hover i{color:var(--accent);}
.side-link.is-active{color:var(--accent);border-left-color:var(--accent);background:rgba(201,242,77,.08);}
.side-link.is-active i{color:var(--accent);}
.rail-cta{padding:18px 0 26px;display:flex;flex-direction:column;gap:12px;}
.rail-cta .btn{white-space:nowrap;margin-left:22px;}
.rail-cta .btn span{opacity:0;transition:opacity .2s var(--ease);}
.side-rail:hover .rail-cta .btn span,.side-rail:focus-within .rail-cta .btn span{opacity:1;}
.rail-foot{
  border-top:1px solid rgba(255,255,255,.08);
  padding:16px 0 20px 32px;font-size:12px;color:rgba(233,239,232,.45);
  white-space:nowrap;
}
.side-social{display:flex;gap:14px;margin-bottom:8px;}
.side-social a{color:rgba(233,239,232,.6);font-size:15px;}
.side-social a:hover{color:var(--accent);}

/* ---------- 顶部导航（移动端） ---------- */
.topbar{
  display:none;position:sticky;top:0;z-index:55;
  background:var(--ink);color:#fff;
  padding:12px 0;border-bottom:1px solid rgba(255,255,255,.08);
}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.topbar__brand{display:flex;align-items:center;gap:10px;color:#fff;}
.topbar__brand .rail-brand__mark{width:38px;height:38px;border-radius:10px;font-size:13px;}
.topbar__brand b{font-size:15px;font-weight:700;letter-spacing:-.01em;}
.hamburger{
  background:transparent;border:1px solid rgba(255,255,255,.28);color:#fff;
  width:46px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  font-size:16px;
}
.hamburger:hover{background:rgba(255,255,255,.08);}
.off-canvas{background:var(--ink);color:#E9EFE8;width:300px;}
.off-canvas .drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 20px;border-bottom:1px solid rgba(255,255,255,.1);
}
.off-canvas .drawer-head b{color:#fff;font-size:15px;}
.off-canvas .drawer-close{
  background:transparent;border:1px solid rgba(255,255,255,.3);color:#fff;
  width:42px;height:42px;border-radius:12px;font-size:15px;
}
.drawer-nav{display:flex;flex-direction:column;padding:10px 0;}
.drawer-nav a{
  color:rgba(233,239,232,.85);padding:15px 22px;font-size:15.5px;
  border-left:3px solid transparent;display:flex;align-items:center;gap:12px;min-height:48px;
}
.drawer-nav a i{width:20px;text-align:center;color:rgba(233,239,232,.55);}
.drawer-nav a:hover{background:rgba(255,255,255,.06);color:#fff;}
.drawer-nav a.is-active{color:var(--accent);border-left-color:var(--accent);}
.drawer-nav a.is-active i{color:var(--accent);}
.drawer-cta{padding:18px 22px 26px;}
.drawer-cta .btn{width:100%;justify-content:center;}
.drawer-contact{padding:0 22px 30px;font-size:13px;color:rgba(233,239,232,.55);line-height:2;}

/* ---------- 主区域 ---------- */
.site-main{margin-left:var(--rail);min-height:100vh;display:flex;flex-direction:column;}
main{flex:1 1 auto;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 26px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
  min-height:48px;
}
.btn--primary{background:var(--accent);color:var(--ink);box-shadow:0 6px 16px rgba(201,242,77,.28);}
.btn--primary:hover{background:#BEE641;color:var(--ink);transform:translateY(-1px);box-shadow:0 12px 26px rgba(201,242,77,.34);}
.btn--ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn--ghost:hover{background:var(--ink);color:#fff;transform:translateY(-1px);}
.btn--warm{background:var(--warm);color:#fff;}
.btn--warm:hover{background:#C4541F;color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(217,96,42,.28);}
.btn--text{background:none;border:none;padding:8px 0;color:var(--ink);font-weight:600;gap:6px;}
.btn--text i{transition:transform .18s var(--ease);}
.btn--text:hover i{transform:translateX(4px);}
.btn--text:hover{color:var(--ink-2);text-decoration:underline;text-underline-offset:6px;text-decoration-thickness:2px;text-decoration-color:var(--accent);}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;border-radius:999px;
  background:var(--accent-soft);color:var(--ink);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.badge--warm{background:var(--warm-soft);color:#8F3B12;}
.badge--line{background:transparent;border:1px solid var(--line-strong);color:var(--text-2);font-weight:500;}
.badge--dark{background:rgba(255,255,255,.1);color:#E9EFE8;}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;
  background-image:linear-gradient(115deg,rgba(11,31,26,.94) 0%,rgba(11,31,26,.82) 52%,rgba(11,31,26,.62) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  color:#EDF2EA;
  padding:56px 0 64px;
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(237,242,234,.62);margin-bottom:26px;
}
.breadcrumb a{color:rgba(237,242,234,.78);}
.breadcrumb a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:5px;}
.breadcrumb i{font-size:10px;opacity:.6;}
.breadcrumb .current{color:rgba(237,242,234,.55);max-width:44ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-hero h1{color:#fff;max-width:22ch;margin-bottom:22px;}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  font-size:14px;color:rgba(237,242,234,.72);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--accent);font-size:13px;}

/* ---------- 文章主体布局 ---------- */
.article-body{padding:64px 0 40px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 296px;gap:52px;align-items:start;}
.article-main{min-width:0;}

.panel{
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
}

/* 正文 */
.prose{
  max-width:760px;
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  padding:44px 48px 52px;
  font-size:17.5px;
  line-height:1.9;
  color:#1D2A25;
}
.prose p{margin:0 0 1.32em;}
.prose h2{
  font-size:clamp(22px,2.6vw,28px);
  margin:2.1em 0 .8em;
  padding-left:16px;
  border-left:4px solid var(--accent);
  line-height:1.35;
}
.prose h3{font-size:20px;margin:1.7em 0 .6em;color:var(--ink-2);}
.prose ul,.prose ol{padding-left:1.35em;margin:0 0 1.35em;}
.prose li{margin-bottom:.6em;}
.prose li::marker{color:var(--warm);font-weight:700;}
.prose a{
  color:var(--ink);font-weight:600;
  text-decoration:underline;text-underline-offset:5px;
  text-decoration-color:var(--accent);text-decoration-thickness:2px;
}
.prose a:hover{color:var(--ink-2);text-decoration-color:var(--ink);}
.prose blockquote{
  margin:1.8em 0;padding:20px 26px;
  background:rgba(11,31,26,.035);
  border-left:4px solid var(--ink-2);
  border-radius:0 12px 12px 0;
  color:#2C3B34;font-size:16.5px;
}
.prose blockquote p:last-child{margin-bottom:0;}
.prose img{border-radius:var(--radius-card);margin:1.8em 0 .7em;width:100%;}
.prose figure{margin:1.8em 0;}
.prose figcaption{font-size:13.5px;color:var(--text-2);text-align:center;margin-top:.6em;}
.prose hr{border:none;border-top:1px solid var(--line);margin:2.4em 0;}
.prose table{width:100%;border-collapse:collapse;font-size:15.5px;margin:1.6em 0;}
.prose th,.prose td{border-bottom:1px solid var(--line);padding:12px 14px;text-align:left;}
.prose th{background:rgba(11,31,26,.04);font-weight:600;}

.notfound{
  max-width:760px;text-align:center;padding:64px 40px;
}
.notfound i{font-size:36px;color:var(--warm);margin-bottom:18px;display:block;}
.notfound h2{font-size:24px;margin-bottom:12px;}
.notfound p{color:var(--text-2);margin-bottom:26px;}

/* 文章头图 */
.article-figure{
  max-width:760px;margin:0 0 36px;
  border-radius:var(--radius-card);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-1);
}
.article-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:32px;display:flex;flex-direction:column;gap:22px;}
.side-card{
  background:var(--paper-2);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-1);
}
.side-card h3{font-size:16px;margin-bottom:16px;letter-spacing:.01em;}
.side-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px;}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 12px;border-radius:10px;font-size:14.5px;color:var(--ink-2);
  transition:background .18s var(--ease),color .18s var(--ease);
  min-height:44px;
}
.side-list a i{font-size:12px;color:var(--text-2);transition:transform .18s var(--ease);}
.side-list a:hover{background:var(--accent-soft);color:var(--ink);}
.side-list a:hover i{transform:translateX(3px);color:var(--warm);}
.side-card--dark{
  background:var(--ink);border-color:var(--ink-2);color:#DCE6DC;
}
.side-card--dark h3{color:#fff;}
.side-card--dark p{font-size:14px;color:rgba(220,230,220,.72);margin-bottom:18px;}
.side-card--dark .btn{width:100%;justify-content:center;}
.side-facts{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:0;}
.side-facts li{
  display:flex;justify-content:space-between;gap:12px;
  padding:12px 0;border-bottom:1px dashed var(--line);font-size:14px;color:var(--text-2);
}
.side-facts li:last-child{border-bottom:none;}
.side-facts b{color:var(--ink);font-variant-numeric:tabular-nums;}

/* ---------- 相关推荐 ---------- */
.related{padding:26px 0 76px;}
.section-head{margin-bottom:32px;max-width:640px;}
.section-head h2{margin-bottom:10px;}
.section-head p{color:var(--text-2);margin:0;font-size:15.5px;}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px;}
.rel-card{
  display:flex;flex-direction:column;
  background:var(--paper-2);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:box-shadow .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.rel-card:hover{box-shadow:var(--shadow-2);border-color:var(--ink-2);transform:translateY(-3px);}
.rel-card__media{overflow:hidden;aspect-ratio:16/9;background:var(--ink-2);}
.rel-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.rel-card:hover .rel-card__media img{transform:scale(1.04);}
.rel-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.rel-card__body h3{font-size:17.5px;line-height:1.45;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-card__body p{
  font-size:14.5px;color:var(--text-2);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-card__meta{display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--text-2);margin-top:auto;}

/* ---------- 返回入口 ---------- */
.back-links{
  display:flex;flex-wrap:wrap;gap:14px 34px;
  padding:26px 0 0;border-top:1px solid var(--line);margin-top:8px;
  max-width:760px;
}
.back-links a{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--ink-2);}
.back-links a i{transition:transform .18s var(--ease);font-size:13px;}
.back-links a:hover{color:var(--ink);text-decoration:underline;text-underline-offset:6px;text-decoration-color:var(--accent);text-decoration-thickness:2px;}
.back-links a:hover i{transform:translateX(-4px);}
.back-links a.is-forward:hover i{transform:translateX(4px);}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--ink);color:#E6EDE4;
  padding:64px 0;margin:0 0 0;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;
  border-radius:50%;background:radial-gradient(circle,rgba(201,242,77,.18),transparent 68%);
}
.cta-band__inner{
  position:relative;z-index:1;
  display:flex;flex-wrap:wrap;gap:32px;align-items:center;justify-content:space-between;
}
.cta-band h2{color:#fff;max-width:24ch;margin-bottom:12px;}
.cta-band p{color:rgba(230,237,228,.72);margin:0;max-width:52ch;font-size:15.5px;}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(233,239,232,.72);padding:72px 0 26px;margin-left:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px;}
.footer-brand__logo{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-brand__mark{
  width:44px;height:44px;border-radius:12px;background:var(--accent);color:var(--ink);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;
}
.footer-brand__name{color:#fff;font-size:16px;font-weight:700;}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(233,239,232,.6);max-width:34ch;margin:0;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px;}
.footer-col li{font-size:14px;display:flex;align-items:flex-start;gap:9px;color:rgba(233,239,232,.6);}
.footer-col li i{color:var(--accent);font-size:13px;margin-top:5px;}
.footer-col a{color:rgba(233,239,232,.72);}
.footer-col a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:5px;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(233,239,232,.5);
}
.to-top{
  background:transparent;border:1px solid rgba(233,239,232,.28);color:rgba(233,239,232,.8);
  border-radius:999px;padding:9px 18px;font-size:13px;display:inline-flex;align-items:center;gap:8px;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
  min-height:44px;
}
.to-top:hover{background:var(--accent);color:var(--ink);border-color:var(--accent);}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:40;
  display:inline-flex;align-items:center;gap:12px;
  background:var(--ink);color:#fff;border-radius:999px;
  padding:10px 12px 10px 24px;
  box-shadow:0 14px 34px rgba(11,31,26,.26);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .28s var(--ease),transform .28s var(--ease),visibility .28s;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta__cta{font-size:14.5px;font-weight:600;color:#fff;white-space:nowrap;}
.float-cta__cta:hover{color:var(--accent);}
.float-cta__icon{
  width:40px;height:40px;border-radius:50%;background:var(--accent);color:var(--ink);
  display:flex;align-items:center;justify-content:center;font-size:14px;
}
.float-cta__icon:hover{background:#BEE641;color:var(--ink);}
.mobile-bar{display:none;}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .42s var(--ease),transform .42s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1439px){
  .article-layout{gap:40px;}
}
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 264px;gap:32px;}
  .prose{padding:38px 34px 44px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:34px;}
  .footer-col:last-child{grid-column:1 / -1;}
}
@media (max-width:1023px){
  .side-rail{display:none;}
  .site-main{margin-left:0;}
  .topbar{display:block;}
  .off-canvas{display:block;}
  .article-hero{padding:38px 0 46px;}
  .article-body{padding:48px 0 30px;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:30px;}
  .article-side{position:static;flex-direction:row;flex-wrap:wrap;}
  .article-side > *{flex:1 1 260px;}
  .float-cta{display:none;}
  .mobile-bar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:45;
    background:var(--ink);padding:10px 14px;
    align-items:center;gap:12px;justify-content:space-between;
    box-shadow:0 -6px 20px rgba(11,31,26,.2);
  }
  .mobile-bar .btn{flex:1 1 auto;justify-content:center;padding:12px 18px;}
  .mobile-bar__top{
    width:46px;height:46px;border-radius:50%;flex:0 0 46px;
    background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.24);color:#fff;
    display:flex;align-items:center;justify-content:center;font-size:15px;
  }
  .mobile-bar__top:hover{background:var(--accent);color:var(--ink);}
  .site-footer{padding-bottom:96px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
  .cta-band{padding:52px 0;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .article-hero h1{max-width:100%;}
  .breadcrumb .current{max-width:26ch;}
  .prose{padding:28px 20px 34px;font-size:17px;border-radius:14px;}
  .prose h2{padding-left:12px;}
  .article-figure{border-radius:14px;}
  .rel-card__body{padding:16px 18px 18px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-brand{grid-column:1 / -1;}
  .footer-col:last-child{grid-column:1 / -1;}
  .cta-band__actions{width:100%;}
  .cta-band__actions .btn{flex:1 1 auto;justify-content:center;}
}
@media (max-width:520px){
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .article-side{flex-direction:column;}
  .article-side > *{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .back-links{gap:16px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --ink:#0B1F1A;
  --ink-2:#16332A;
  --paper:#F6F4EF;
  --paper-2:#FFFFFF;
  --accent:#C9F24D;
  --accent-soft:rgba(201,242,77,.14);
  --warm:#D9602A;
  --line:rgba(11,31,26,.12);
  --text:rgba(11,31,26,.92);
  --text-2:rgba(11,31,26,.62);
  --text-3:rgba(11,31,26,.45);
  --radius:16px;
  --radius-sm:12px;
  --shadow-1:0 1px 2px rgba(11,31,26,.06);
  --shadow-2:0 12px 28px rgba(11,31,26,.12);
  --side-w:96px;
  --side-w-open:240px;
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--ink);text-decoration:none;transition:color .18s var(--ease);}
a:hover,a:focus{color:var(--ink-2);}
h1,h2,h3,h4{margin:0;line-height:1.26;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(201,242,77,.55);outline-offset:3px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section--tight{padding:56px 0;}
.section--dark{background:var(--ink);color:rgba(246,244,239,.82);}
.section--dark h2,.section--dark h3{color:#F6F4EF;}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--text-2);font-weight:600;margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--accent);border-radius:2px;}

/* ---------- 侧边竖向导航 ---------- */
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:var(--side-w);
  background:var(--ink);z-index:70;
  display:flex;flex-direction:column;gap:18px;
  padding:22px 14px;overflow:hidden;
  transition:width .28s var(--ease);
}
.side-nav:hover,.side-nav:focus-within{width:var(--side-w-open);}
.side-nav__brand{
  display:flex;align-items:center;gap:12px;color:#F6F4EF;
  min-height:48px;flex:0 0 auto;
}
.side-nav__mark{
  flex:0 0 auto;width:52px;height:36px;border-radius:10px;
  background:var(--accent);color:var(--ink);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:15px;letter-spacing:.04em;
}
.side-nav__name{
  font-size:14px;font-weight:600;line-height:1.35;white-space:nowrap;
  opacity:0;transition:opacity .2s var(--ease);
}
.side-nav:hover .side-nav__name,.side-nav:focus-within .side-nav__name{opacity:1;}
.side-group{display:flex;flex-direction:column;gap:6px;flex:1 1 auto;}
.side-group__label{
  font-size:11px;letter-spacing:.18em;color:rgba(246,244,239,.4);
  padding:0 12px 6px;white-space:nowrap;opacity:0;transition:opacity .2s var(--ease);
}
.side-nav:hover .side-group__label,.side-nav:focus-within .side-group__label{opacity:1;}
.side-link{
  position:relative;display:flex;align-items:center;gap:14px;
  min-height:48px;padding:0 12px;border-radius:12px;
  color:rgba(246,244,239,.72);font-size:14px;white-space:nowrap;
}
.side-link i{flex:0 0 auto;width:20px;text-align:center;font-size:16px;}
.side-link span{opacity:0;transition:opacity .2s var(--ease);}
.side-nav:hover .side-link span,.side-nav:focus-within .side-link span{opacity:1;}
.side-link:hover{background:rgba(246,244,239,.07);color:#F6F4EF;}
.side-link.is-active{background:rgba(201,242,77,.1);color:var(--accent);}
.side-link.is-active::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;
  width:3px;border-radius:3px;background:var(--accent);
}
.side-nav__foot{display:flex;flex-direction:column;gap:12px;flex:0 0 auto;}
.side-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;border-radius:999px;background:var(--accent);color:var(--ink);
  font-weight:700;font-size:14px;white-space:nowrap;
}
.side-cta:hover{background:#bce33f;color:var(--ink);}
.side-cta span{opacity:0;transition:opacity .2s var(--ease);}
.side-nav:hover .side-cta span,.side-nav:focus-within .side-cta span{opacity:1;}
.side-contact{
  display:flex;align-items:center;gap:12px;color:rgba(246,244,239,.5);
  font-size:13px;padding:0 12px;white-space:nowrap;
}
.side-contact span{opacity:0;transition:opacity .2s var(--ease);}
.side-nav:hover .side-contact span,.side-nav:focus-within .side-contact span{opacity:1;}

@media (max-width:1023px){
  .side-nav{display:none;}
}

/* ---------- 移动端顶部栏 ---------- */
.mobile-header{
  position:sticky;top:0;z-index:60;
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;padding:10px 20px;
  background:rgba(246,244,239,.94);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.mobile-header__brand{display:flex;align-items:center;gap:10px;}
.mobile-header__mark{
  width:46px;height:32px;border-radius:9px;background:var(--ink);color:var(--accent);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:13px;
}
.mobile-header__name{font-size:14px;font-weight:700;color:var(--ink);}
.hamburger{
  width:48px;height:48px;border:1px solid var(--line);border-radius:12px;
  background:var(--paper-2);color:var(--ink);font-size:17px;
  display:flex;align-items:center;justify-content:center;
}
.hamburger:hover{border-color:var(--ink-2);}
@media (min-width:1024px){
  .mobile-header{display:none;}
}

/* ---------- 抽屉 ---------- */
.off-canvas{background:var(--ink);}
.drawer{padding:22px 20px 32px;color:rgba(246,244,239,.82);}
.drawer__head{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:26px;}
.drawer__brand{display:flex;align-items:center;gap:10px;color:#F6F4EF;font-size:14px;font-weight:700;line-height:1.4;}
.drawer__brand .mark{
  width:46px;height:32px;border-radius:9px;background:var(--accent);color:var(--ink);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:13px;flex:0 0 auto;
}
.close-button{
  position:static;top:auto;right:auto;
  width:44px;height:44px;border-radius:12px;border:1px solid rgba(246,244,239,.22);
  background:transparent;color:#F6F4EF;font-size:20px;line-height:1;
  display:flex;align-items:center;justify-content:center;
}
.close-button:hover{background:rgba(246,244,239,.1);color:#F6F4EF;}
.drawer__nav{display:flex;flex-direction:column;gap:6px;margin-bottom:24px;}
.drawer__nav a{
  display:flex;align-items:center;gap:12px;min-height:52px;padding:0 14px;
  border-radius:12px;color:rgba(246,244,239,.78);font-size:15px;
}
.drawer__nav a i{width:20px;text-align:center;}
.drawer__nav a:hover{background:rgba(246,244,239,.08);color:#F6F4EF;}
.drawer__nav a.is-active{background:rgba(201,242,77,.12);color:var(--accent);}

/* ---------- 主内容偏移 ---------- */
.off-canvas-content{min-width:0;}
@media (min-width:1024px){
  .off-canvas-content{margin-left:var(--side-w);}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:48px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:700;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:background .18s var(--ease),color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.btn--primary{background:var(--accent);color:var(--ink);box-shadow:0 1px 2px rgba(11,31,26,.08);}
.btn--primary:hover{background:#bce33f;color:var(--ink);transform:translateY(-1px);box-shadow:0 12px 24px rgba(11,31,26,.18);}
.btn--ghost{background:transparent;color:var(--ink);border-color:rgba(11,31,26,.22);}
.btn--ghost:hover{background:var(--ink);color:var(--paper);border-color:var(--ink);}
.btn--light{background:transparent;color:var(--paper);border-color:rgba(246,244,239,.35);}
.btn--light:hover{background:var(--paper);color:var(--ink);border-color:var(--paper);}
.btn--block{width:100%;}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:14px;
  color:var(--ink);border-bottom:2px solid var(--accent);padding-bottom:2px;
}
.link-arrow i{transition:transform .18s var(--ease);}
.link-arrow:hover i{transform:translateX(4px);}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 12px;border-radius:999px;font-size:13px;font-weight:600;
  background:var(--accent-soft);color:var(--ink-2);
}
.tag--warm{background:rgba(217,96,42,.12);color:#A8431A;}
.tag--line{background:transparent;border:1px solid var(--line);color:var(--text-2);}

/* ---------- Hero / 内页头图 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  min-height:clamp(320px,34vw,440px);
  display:flex;align-items:flex-end;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,31,26,.58) 0%,rgba(11,31,26,.82) 100%);
}
.page-hero__inner{position:relative;z-index:2;padding:72px 0 52px;max-width:820px;}
.page-hero h1{
  color:#F6F4EF;font-size:clamp(28px,4.6vw,48px);font-weight:800;letter-spacing:-.02em;
  margin:14px 0 16px;
}
.page-hero p{
  color:rgba(246,244,239,.82);font-size:clamp(15px,1.6vw,18px);
  max-width:52ch;line-height:1.75;
}
.page-hero__badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px;}
.page-hero__badges .tag{background:rgba(201,242,77,.16);color:#E6FBB2;}
.page-hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}

/* ---------- 面包屑 ---------- */
.crumb-bar{border-bottom:1px solid var(--line);background:var(--paper-2);}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:14px 0;font-size:14px;color:var(--text-2);
}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--ink);text-decoration:underline;text-underline-offset:3px;}
.crumb i{font-size:11px;color:var(--text-3);}
.crumb__current{color:var(--ink);font-weight:600;}

/* ---------- 数据条 ---------- */
.statbar{border-bottom:1px solid var(--line);}
.statbar__item{
  padding:28px 0;border-left:1px solid var(--line);
}
.statbar__item:first-child{border-left:0;}
@media (max-width:599px){
  .statbar__item{border-left:0;border-top:1px solid var(--line);padding:20px 0;}
  .statbar__item:first-child{border-top:0;}
}
.statbar__num{
  font-size:clamp(32px,4.6vw,52px);font-weight:800;color:var(--ink);
  letter-spacing:-.03em;line-height:1;display:inline-flex;align-items:baseline;
}
.statbar__num em{font-style:normal;font-size:15px;font-weight:600;color:var(--text-2);margin-left:6px;letter-spacing:0;}
.statbar__label{display:block;margin-top:10px;font-size:14px;color:var(--text-2);}

/* ---------- 交替图文 ---------- */
.zig-list{display:flex;flex-direction:column;gap:clamp(56px,7vw,104px);}
.zig-row.grid-x{align-items:center;}
.zig-row.grid-x > .cell{flex:0 0 100%;max-width:100%;padding-left:0;padding-right:0;}
@media (min-width:1024px){
  .zig-row.grid-x{margin-left:-24px;margin-right:-24px;}
  .zig-row.grid-x > .cell{flex:0 0 50%;max-width:50%;padding-left:24px;padding-right:24px;}
}
.zig-media{position:relative;}
.zig-media__frame{
  border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-1);background:var(--paper-2);
}
.zig-media__frame img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  transition:transform .4s var(--ease);
}
.zig-media:hover .zig-media__frame img{transform:scale(1.03);}
.zig-media__flag{
  position:absolute;left:16px;bottom:-18px;background:var(--ink);color:var(--accent);
  border-radius:12px;padding:10px 16px;font-size:13px;font-weight:600;
  box-shadow:var(--shadow-2);
}
.zig-copy{padding:10px 0;}
.zig-index{
  font-size:clamp(44px,6.4vw,84px);font-weight:800;line-height:1;
  letter-spacing:-.05em;color:rgba(11,31,26,.12);display:block;margin-bottom:8px;
}
.zig-copy h3{font-size:clamp(20px,2.4vw,26px);margin-bottom:14px;}
.zig-copy p{color:var(--text-2);font-size:16px;max-width:56ch;}

/* ---------- 要点清单 ---------- */
.checklist{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 28px;}
@media (max-width:767px){.checklist{grid-template-columns:1fr;}}
.checklist li{
  display:flex;gap:12px;align-items:flex-start;
  padding:16px 18px;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:var(--paper-2);box-shadow:var(--shadow-1);font-size:15px;color:var(--text-2);
}
.checklist i{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;
  background:var(--accent);color:var(--ink);font-size:11px;
  display:flex;align-items:center;justify-content:center;margin-top:3px;
}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--ink);border-radius:24px;padding:clamp(30px,4.4vw,56px);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
}
.cta-band h2{color:#F6F4EF;font-size:clamp(22px,2.8vw,32px);margin-bottom:12px;}
.cta-band p{color:rgba(246,244,239,.72);max-width:60ch;font-size:15px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(246,244,239,.68);padding:72px 0 28px;margin-top:0;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;
  padding-bottom:44px;border-bottom:1px solid rgba(246,244,239,.14);
}
@media (max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr;gap:30px;}}
@media (max-width:599px){.footer-grid{grid-template-columns:1fr;}}
.footer-brand__logo{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand__mark{
  width:52px;height:36px;border-radius:10px;background:var(--accent);color:var(--ink);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;
}
.footer-brand__name{color:#F6F4EF;font-weight:700;font-size:15px;line-height:1.4;}
.footer-brand p{font-size:14px;line-height:1.8;max-width:38ch;}
.footer-col h4{color:#F6F4EF;font-size:15px;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col li{display:flex;align-items:flex-start;gap:10px;font-size:14px;line-height:1.7;}
.footer-col li i{color:var(--accent);font-size:13px;margin-top:5px;flex:0 0 auto;}
.footer-col a{color:rgba(246,244,239,.68);}
.footer-col a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:3px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  padding-top:24px;font-size:13px;color:rgba(246,244,239,.5);
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 18px;
  border-radius:999px;border:1px solid rgba(246,244,239,.25);
  background:transparent;color:rgba(246,244,239,.8);font-size:13px;cursor:pointer;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.to-top:hover{background:var(--accent);color:var(--ink);border-color:var(--accent);}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .42s var(--ease),transform .42s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category2 */
:root{
  --ink:#0B1F1A;
  --ink-2:#16332A;
  --paper:#F6F4EF;
  --paper-2:#FFFFFF;
  --accent:#C9F24D;
  --accent-soft:rgba(201,242,77,.16);
  --warm:#D9602A;
  --text:#16241F;
  --muted:#5D6C66;
  --line:rgba(11,31,26,.12);
  --line-strong:rgba(11,31,26,.26);
  --r-lg:16px;
  --r-md:12px;
  --r-hero:24px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,31,26,.06);
  --sh-2:0 12px 28px rgba(11,31,26,.12);
  --shell:96px;
  --content:1200px;
  --ease:cubic-bezier(.2,.8,.2,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
img{display:block;max-width:100%}
a{color:var(--ink);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--warm)}
button{font-family:inherit}
a:focus-visible,button:focus-visible{outline:3px solid rgba(201,242,77,.55);outline-offset:3px;border-radius:8px}

.container{width:100%;max-width:var(--content);margin:0 auto;padding:0 28px}

/* ============ 移动端顶栏 ============ */
.mobile-topbar{
  display:none;
  position:fixed;top:0;left:0;right:0;height:64px;z-index:50;
  background:rgba(11,31,26,.97);
  align-items:center;justify-content:space-between;
  padding:0 18px;
}
.mobile-topbar__brand{color:#F6F4EF;font-weight:700;font-size:15px;letter-spacing:.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mobile-topbar__brand:hover{color:var(--accent)}
.mobile-topbar__btn{
  width:44px;height:44px;flex:0 0 44px;margin-left:12px;
  border-radius:12px;background:rgba(246,244,239,.08);
  color:#F6F4EF;border:1px solid rgba(246,244,239,.2);
  font-size:17px;cursor:pointer;transition:all .18s var(--ease);
}
.mobile-topbar__btn:hover{background:var(--accent);color:var(--ink);border-color:var(--accent)}

/* ============ 左侧竖向导航 ============ */
.side-nav{
  position:fixed;top:0;left:0;bottom:0;z-index:60;
  width:var(--shell);
  background:var(--ink);
  display:flex;flex-direction:column;
  padding:26px 0 24px;
  overflow:hidden;
  transition:width .28s var(--ease);
}
.side-nav:hover,.side-nav:focus-within{width:256px}

.side-brand{display:flex;align-items:center;gap:12px;height:44px;padding-left:36px;white-space:nowrap}
.side-brand__mark{
  flex:0 0 24px;height:24px;border-radius:8px;background:var(--accent);color:var(--ink);
  font-size:11px;font-weight:800;display:flex;align-items:center;justify-content:center;letter-spacing:0;
}
.side-brand__name{font-size:15px;font-weight:700;color:#F6F4EF;opacity:0;transform:translateX(-8px);transition:.24s var(--ease)}
.side-nav:hover .side-brand__name,.side-nav:focus-within .side-brand__name{opacity:1;transform:none}

.side-group{display:flex;flex-direction:column;gap:2px;margin-top:26px}
.side-group__label{
  font-size:11px;letter-spacing:.18em;color:rgba(246,244,239,.42);
  padding:6px 0 10px 36px;white-space:nowrap;opacity:0;transition:.24s var(--ease);
}
.side-nav:hover .side-group__label,.side-nav:focus-within .side-group__label{opacity:1}

.side-link{
  position:relative;display:flex;align-items:center;gap:14px;
  height:48px;padding-left:36px;white-space:nowrap;
  color:rgba(246,244,239,.76);font-size:14px;font-weight:500;
  transition:background .18s var(--ease),color .18s var(--ease);
}
.side-link i{flex:0 0 24px;text-align:center;font-size:15px}
.side-link span{opacity:0;transform:translateX(-8px);transition:.24s var(--ease)}
.side-nav:hover .side-link span,.side-nav:focus-within .side-link span{opacity:1;transform:none}
.side-link::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:0 3px 3px 0;background:var(--accent);opacity:0;transition:opacity .18s var(--ease);
}
.side-link:hover{background:rgba(246,244,239,.07);color:#F6F4EF}
.side-link.is-active{color:var(--accent);background:rgba(201,242,77,.08)}
.side-link.is-active::before{opacity:1}

.side-foot{margin-top:auto;display:flex;align-items:center;gap:12px;padding-left:36px;height:44px;white-space:nowrap}
.side-foot__dot{flex:0 0 10px;height:10px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(201,242,77,.18)}
.side-foot__text{font-size:13px;color:rgba(246,244,239,.7);opacity:0;transform:translateX(-8px);transition:.24s var(--ease)}
.side-nav:hover .side-foot__text,.side-nav:focus-within .side-foot__text{opacity:1;transform:none}

/* ============ 移动端抽屉 ============ */
.off-canvas.position-left{width:310px;max-width:88vw;background:var(--ink);border:0}
.drawer{padding:22px 20px 32px;display:flex;flex-direction:column;min-height:100%}
.drawer__head{display:flex;align-items:center;gap:12px;padding-bottom:20px;border-bottom:1px solid rgba(246,244,239,.14)}
.drawer__mark{background:var(--accent);color:var(--ink);font-weight:800;font-size:12px;padding:6px 9px;border-radius:9px}
.drawer__name{color:#F6F4EF;font-weight:700;font-size:14px;line-height:1.4}
.drawer__close{
  margin-left:auto;width:44px;height:44px;flex:0 0 44px;border-radius:12px;
  background:rgba(246,244,239,.08);border:1px solid rgba(246,244,239,.2);
  color:#F6F4EF;font-size:16px;cursor:pointer;
}
.drawer__close:hover{background:var(--accent);color:var(--ink);border-color:var(--accent)}
.drawer__nav{display:flex;flex-direction:column;gap:4px;margin-top:20px}
.drawer-link{
  display:flex;align-items:center;gap:14px;min-height:48px;padding:10px 14px;
  border-radius:var(--r-md);color:rgba(246,244,239,.8);font-size:15px;
}
.drawer-link i{width:20px;text-align:center;font-size:15px}
.drawer-link:hover{background:rgba(246,244,239,.08);color:#F6F4EF}
.drawer-link.is-active{background:rgba(201,242,77,.14);color:var(--accent)}
.drawer__cta{margin-top:24px;justify-content:center}
.drawer__note{margin-top:16px;font-size:13px;color:rgba(246,244,239,.55);line-height:1.7}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:46px;padding:13px 26px;border-radius:var(--r-md);
  font-size:16px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:background .18s var(--ease),color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.btn--primary{background:var(--accent);color:var(--ink)}
.btn--primary:hover{background:#BCE33F;color:var(--ink);transform:translateY(-1px);box-shadow:0 10px 24px rgba(11,31,26,.2)}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line-strong)}
.btn--ghost:hover{background:var(--ink);color:#F6F4EF;border-color:var(--ink)}
.btn--light{background:transparent;color:#F6F4EF;border-color:rgba(246,244,239,.42)}
.btn--light:hover{background:#F6F4EF;color:var(--ink);border-color:#F6F4EF}
.btn-text{
  display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;
  padding:8px 0;color:var(--ink);
}
.btn-text i{transition:transform .18s var(--ease)}
.btn-text:hover i{transform:translateX(4px)}

/* ============ 页面主体偏移 ============ */
.page{margin-left:var(--shell);min-height:100vh}

/* ============ 头图 ============ */
.page-hero{
  position:relative;
  padding:88px 0 132px;
  color:#F6F4EF;
  background:linear-gradient(180deg,rgba(11,31,26,.66),rgba(11,31,26,.84)),url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}
.crumbs{display:flex;align-items:center;gap:10px;font-size:13.5px;color:rgba(246,244,239,.66);margin-bottom:22px;flex-wrap:wrap}
.crumbs a{color:rgba(246,244,239,.78)}
.crumbs a:hover{color:var(--accent)}
.crumbs i{font-size:10px;opacity:.7}
.crumbs span{color:var(--accent)}
.page-hero h1{
  font-size:clamp(28px,4.4vw,48px);
  line-height:1.25;font-weight:700;letter-spacing:-.02em;max-width:22ch;
}
.page-hero__sub{margin-top:20px;font-size:clamp(15.5px,1.8vw,19px);color:rgba(246,244,239,.84);max-width:46ch;line-height:1.7}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:var(--r-pill);
  background:rgba(201,242,77,.14);border:1px solid rgba(201,242,77,.34);
  color:#E9FBC0;font-size:13.5px;font-weight:500;
}
.tag i{font-size:12px}

/* ============ 数据条 ============ */
.statbar{margin-top:-72px;position:relative;z-index:5}
.statbar__card{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-2);display:grid;grid-template-columns:repeat(4,1fr);overflow:hidden;
}
.statbar__item{padding:30px 28px;border-right:1px solid var(--line)}
.statbar__item:last-child{border-right:0}
.statbar__num{
  font-size:clamp(28px,3.4vw,38px);font-weight:800;line-height:1.1;
  letter-spacing:-.02em;color:var(--ink);font-variant-numeric:tabular-nums;
}
.statbar__num em{font-style:normal;font-size:15px;font-weight:600;color:var(--muted);margin-left:6px}
.statbar__label{margin-top:8px;font-size:13.5px;color:var(--muted);line-height:1.6}

/* ============ 区块通用 ============ */
.section{padding:clamp(58px,8vw,110px) 0}
.section--light{background:var(--paper-2)}
.sec-head{max-width:780px;margin-bottom:clamp(36px,4vw,56px)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.18em;font-weight:700;color:var(--warm);
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--warm);border-radius:2px}
.sec-head h2{font-size:clamp(24px,3.4vw,36px);line-height:1.28;letter-spacing:-.02em;font-weight:700;color:var(--ink)}
.sec-head p{margin-top:16px;color:var(--muted);font-size:16.5px;line-height:1.85}

/* ============ 编号清单 ============ */
.steps{display:grid;gap:0;border-top:1px solid var(--line)}
.step{
  display:grid;grid-template-columns:132px 1fr;gap:36px;align-items:start;
  padding:34px 0;border-bottom:1px solid var(--line);
}
.step__num{
  font-size:clamp(38px,5vw,66px);font-weight:800;line-height:.9;letter-spacing:-.05em;
  color:var(--ink);font-variant-numeric:tabular-nums;transition:color .2s var(--ease);
}
.step:hover .step__num{color:var(--warm)}
.step__body h3{font-size:20px;font-weight:700;color:var(--ink);letter-spacing:-.01em}
.step__body p{margin-top:10px;color:var(--muted);font-size:15.5px;line-height:1.85;max-width:62ch}
.step__meta{margin-top:14px;display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);background:var(--accent-soft);padding:5px 12px;border-radius:var(--r-pill)}

/* ============ 图文分栏 ============ */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(28px,4vw,64px);align-items:center}
.split__figure{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);border:1px solid var(--line)}
.split__figure img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform .4s var(--ease)}
.split__figure:hover img{transform:scale(1.03)}
.split__body h2{font-size:clamp(23px,3.2vw,34px);line-height:1.3;letter-spacing:-.02em;color:var(--ink)}
.split__body > p{margin-top:18px;color:var(--muted);font-size:16.5px}
.checks{margin-top:26px;display:grid;gap:14px}
.checks li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:var(--text)}
.checks i{
  flex:0 0 22px;height:22px;margin-top:4px;border-radius:50%;
  background:var(--accent);color:var(--ink);font-size:11px;
  display:flex;align-items:center;justify-content:center;
}

/* ============ 徽章条 ============ */
.badge-strip{
  display:flex;gap:12px;flex-wrap:wrap;
  padding:22px 24px;border-radius:var(--r-lg);
  border:1px dashed var(--line-strong);background:rgba(255,255,255,.7);
}
.strip-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:var(--r-pill);
  background:var(--paper-2);border:1px solid var(--line);
  font-size:14px;color:var(--ink-2);box-shadow:var(--sh-1);
}
.strip-badge i{color:var(--warm);font-size:12px}

/* ============ 行式说明 ============ */
.rows{border-top:1px solid var(--line);margin-top:38px}
.row-item{
  display:grid;grid-template-columns:250px 1fr;gap:32px;
  padding:26px 0;border-bottom:1px solid var(--line);align-items:start;
}
.row-item h3{font-size:17.5px;font-weight:700;color:var(--ink);display:flex;align-items:center;gap:10px}
.row-item h3 span{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:28px;height:28px;border-radius:9px;background:var(--ink);color:var(--accent);
  font-size:12.5px;font-weight:800;
}
.row-item p{color:var(--muted);font-size:15.5px;line-height:1.85}

/* ============ CTA ============ */
.cta-band{
  background:var(--ink);color:#F6F4EF;border-radius:var(--r-hero);
  padding:clamp(34px,5vw,62px);
  display:grid;grid-template-columns:1.5fr .9fr;gap:clamp(24px,4vw,48px);align-items:center;
}
.cta-band h2{font-size:clamp(22px,3vw,32px);line-height:1.3;letter-spacing:-.02em;color:#FFFFFF}
.cta-band p{margin-top:16px;color:rgba(246,244,239,.76);font-size:16px;max-width:52ch}
.cta-band__actions{display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.cta-band__note{font-size:13px;color:rgba(246,244,239,.55)}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(246,244,239,.72);padding:74px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1.1fr 1.3fr;gap:clamp(24px,3.4vw,44px)}
.footer-brand__logo{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand__mark{background:var(--accent);color:var(--ink);font-weight:800;font-size:13px;padding:6px 10px;border-radius:10px}
.footer-brand__name{color:#F6F4EF;font-weight:700;font-size:16px;line-height:1.4}
.footer-brand p{font-size:14.5px;line-height:1.85;max-width:40ch}
.footer-col h4{color:#F6F4EF;font-size:15px;margin-bottom:18px;font-weight:700}
.footer-col ul{display:grid;gap:12px}
.footer-col li{font-size:14px;display:flex;gap:9px;align-items:flex-start;line-height:1.7}
.footer-col i{color:var(--accent);font-size:12px;margin-top:6px}
.footer-col a{color:rgba(246,244,239,.72)}
.footer-col a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:4px}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(246,244,239,.14);font-size:13px;
}
.to-top{
  background:transparent;border:1px solid rgba(246,244,239,.3);color:#F6F4EF;
  padding:11px 18px;border-radius:var(--r-pill);font-size:13px;cursor:pointer;min-height:44px;
  transition:all .18s var(--ease);
}
.to-top:hover{background:var(--accent);color:var(--ink);border-color:var(--accent)}

/* ============ 动效 ============ */
.js .reveal{opacity:0;transform:translateY(16px);transition:opacity .42s var(--ease),transform .42s var(--ease);transition-delay:var(--d,0s)}
.js .reveal.is-in{opacity:1;transform:none}

/* ============ 断点 ============ */
@media (max-width:1023px){
  .side-nav{display:none}
  .mobile-topbar{display:flex}
  .page{margin-left:0;padding-top:64px}
  .page-hero{padding:64px 0 118px}
  .statbar{margin-top:-64px}
  .statbar__card{grid-template-columns:repeat(2,1fr)}
  .statbar__item{border-right:0;border-bottom:1px solid var(--line)}
  .statbar__item:nth-child(odd){border-right:1px solid var(--line)}
  .statbar__item:nth-child(3),.statbar__item:nth-child(4){border-bottom:0}
  .step{grid-template-columns:96px 1fr;gap:22px}
  .split{grid-template-columns:1fr;gap:30px}
  .row-item{grid-template-columns:1fr;gap:12px}
  .cta-band{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  body{font-size:16px}
  .container{padding:0 20px}
  .page-hero{padding:52px 0 104px}
  .statbar{margin-top:-56px}
  .statbar__card{grid-template-columns:1fr}
  .statbar__item{border-right:0 !important;border-bottom:1px solid var(--line)}
  .statbar__item:last-child{border-bottom:0}
  .step{grid-template-columns:1fr;gap:12px;padding:26px 0}
  .step__num{font-size:34px}
  .badge-strip{padding:18px}
  .footer-grid{grid-template-columns:1fr;gap:34px}
  .cta-band__actions{width:100%}
  .cta-band__actions .btn{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none;transition:none}
  .split__figure:hover img{transform:none}
  .btn:hover{transform:none}
}

/* roulang page: category3 */
:root{
  --ink:#0B1F1A;
  --ink-2:#16332A;
  --paper:#F6F4EF;
  --paper-2:#EFEBE2;
  --accent:#C9F24D;
  --accent-soft:rgba(201,242,77,.14);
  --warm:#D9602A;
  --line:rgba(11,31,26,.12);
  --muted:rgba(11,31,26,.62);
  --r-card:16px;
  --r-btn:999px;
  --r-input:12px;
  --sh-1:0 1px 2px rgba(11,31,26,.06);
  --sh-2:0 12px 28px rgba(11,31,26,.12);
  --side-w:96px;
  --side-w-open:240px;
  --content-max:1200px;
  --mbar-h:60px;
  --ease:cubic-bezier(.2,.8,.2,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--ink);text-decoration:none;transition:color .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease)}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
:focus-visible{outline:3px solid rgba(201,242,77,.6);outline-offset:2px;border-radius:6px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:10px 18px;z-index:999;border-radius:0 0 10px 0}
.skip-link:focus{left:0;top:0}

/* ---------- Foundation 覆盖 ---------- */
.off-canvas-wrapper{overflow-x:clip;position:relative}
.off-canvas-content{box-shadow:none;padding:0;background:var(--paper)}
.off-canvas{background:var(--ink);width:300px;max-width:86vw}
.off-canvas .close-button{color:#fff}
.grid-margin-x{margin-left:-15px;margin-right:-15px}
.grid-margin-x>.cell{padding-left:15px;padding-right:15px}
h1,h2,h3,h4{color:inherit}

/* ---------- 容器 ---------- */
.container{
  width:100%;
  max-width:var(--content-max);
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}

/* ---------- 侧栏导航 ---------- */
.side-nav{
  position:fixed;
  left:0;top:0;bottom:0;
  width:var(--side-w);
  background:var(--ink);
  color:#EFEDE6;
  z-index:60;
  overflow:hidden;
  border-right:1px solid rgba(255,255,255,.07);
  transition:width .26s var(--ease);
}
.side-nav:hover,.side-nav:focus-within{width:var(--side-w-open)}
.side-nav__inner{
  width:var(--side-w-open);
  height:100%;
  display:flex;
  flex-direction:column;
  padding:22px 14px 22px;
}
.side-brand{
  display:flex;
  align-items:center;
  gap:14px;
  padding:0 10px 20px;
  border-bottom:1px solid rgba(255,255,255,.12);
  color:#fff;
}
.side-brand__mark{
  flex:0 0 auto;
  width:48px;height:48px;
  border-radius:14px;
  background:var(--accent);
  color:var(--ink);
  display:grid;place-items:center;
  font-weight:800;
  font-size:15px;
  letter-spacing:.02em;
}
.side-brand__name{font-size:14px;line-height:1.35;color:#EFEDE6;white-space:nowrap;font-weight:600}
.side-group{display:flex;flex-direction:column;gap:4px;margin-top:16px}
.side-group__label{
  font-size:11px;
  letter-spacing:.2em;
  color:rgba(255,255,255,.4);
  padding:6px 11px 10px;
  white-space:nowrap;
}
.side-link{
  position:relative;
  display:flex;
  align-items:center;
  gap:16px;
  min-height:48px;
  padding:0 10px 0 22px;
  border-radius:12px;
  color:rgba(255,255,255,.72);
  white-space:nowrap;
}
.side-link i{width:24px;text-align:center;font-size:16px;flex:0 0 auto}
.side-link span{font-size:14px;opacity:0;transition:opacity .2s var(--ease)}
.side-nav:hover .side-link span,
.side-nav:focus-within .side-link span{opacity:1}
.side-link:hover{background:rgba(255,255,255,.08);color:#fff}
.side-link.is-active{background:rgba(201,242,77,.13);color:var(--accent)}
.side-link.is-active::before{
  content:"";
  position:absolute;
  left:-14px;top:10px;bottom:10px;
  width:3px;border-radius:2px;
  background:var(--accent);
}
.side-nav__foot{
  margin-top:auto;
  padding-top:18px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  flex-direction:column;
  gap:12px;
}
.side-cta{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  min-height:48px;
  border-radius:var(--r-btn);
  background:var(--accent);
  color:var(--ink);
  font-weight:700;
  font-size:14px;
  white-space:nowrap;
  padding:0 12px;
}
.side-cta:hover{background:#bde43f;color:var(--ink)}
.side-cta span{opacity:0;transition:opacity .2s var(--ease)}
.side-nav:hover .side-cta span,
.side-nav:focus-within .side-cta span{opacity:1}
.side-nav__note{
  font-size:12px;
  color:rgba(255,255,255,.55);
  display:flex;
  align-items:center;
  gap:9px;
  padding-left:16px;
  white-space:nowrap;
}
.side-nav__note i{color:var(--accent)}

/* ---------- 移动端顶栏 ---------- */
.mobile-bar{
  display:none;
  position:sticky;
  top:0;
  z-index:55;
  background:var(--ink);
  color:#fff;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  height:var(--mbar-h);
  padding:0 16px;
}
.mobile-bar__brand{display:flex;align-items:center;gap:10px;min-width:0;color:#fff}
.mobile-bar__mark{
  flex:0 0 auto;
  width:36px;height:36px;border-radius:10px;
  background:var(--accent);color:var(--ink);
  display:grid;place-items:center;
  font-weight:800;font-size:12px;
}
.mobile-bar__text{
  font-size:13px;
  font-weight:600;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.mobile-bar__btn{
  flex:0 0 auto;
  width:44px;height:44px;
  border-radius:12px;
  background:rgba(255,255,255,.1);
  color:#fff;
  display:grid;place-items:center;
  font-size:18px;
}
.mobile-bar__btn:hover{background:var(--accent);color:var(--ink)}

/* ---------- 抽屉 ---------- */
.drawer{
  display:flex;
  flex-direction:column;
  height:100%;
  padding:20px 20px 28px;
  color:#EFEDE6;
}
.drawer__head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-bottom:16px;
  border-bottom:1px solid rgba(255,255,255,.14);
}
.drawer__brand{color:#fff;font-weight:700;font-size:15px;line-height:1.4}
.drawer__close{
  flex:0 0 auto;
  width:44px;height:44px;
  border-radius:12px;
  background:rgba(255,255,255,.1);
  color:#fff;
  display:grid;place-items:center;
  font-size:18px;
}
.drawer__close:hover{background:var(--accent);color:var(--ink)}
.drawer__nav{display:flex;flex-direction:column;gap:6px;margin-top:18px}
.drawer__nav a{
  display:flex;
  align-items:center;
  gap:12px;
  min-height:48px;
  padding:0 14px;
  border-radius:12px;
  color:rgba(255,255,255,.78);
  font-size:15px;
}
.drawer__nav a i{width:20px;text-align:center;color:var(--accent);font-size:15px}
.drawer__nav a:hover{background:rgba(255,255,255,.08);color:#fff}
.drawer__nav a.is-active{background:rgba(201,242,77,.14);color:var(--accent)}
.drawer__foot{margin-top:auto;padding-top:22px;display:flex;flex-direction:column;gap:12px}
.drawer__foot p{font-size:13px;color:rgba(255,255,255,.6);display:flex;align-items:center;gap:9px}
.drawer__foot p i{color:var(--accent)}

/* ---------- 内容主区 ---------- */
.off-canvas-content{margin-left:0}
@media (min-width:1024px){
  .off-canvas-content{margin-left:var(--side-w)}
}

/* ---------- 主视觉 ---------- */
.page-hero{
  position:relative;
  display:flex;
  align-items:flex-end;
  min-height:clamp(340px,36vw,500px);
  background:var(--ink);
  overflow:hidden;
}
.page-hero__media{position:absolute;inset:0}
.page-hero__media img{width:100%;height:100%;object-fit:cover}
.page-hero__veil{
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(11,31,26,.55) 0%,rgba(11,31,26,.78) 62%,rgba(11,31,26,.92) 100%);
}
.page-hero__inner{
  position:relative;
  z-index:2;
  color:#fff;
  padding-top:84px;
  padding-bottom:52px;
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.66);
  margin-bottom:18px;
}
.breadcrumb li{display:flex;align-items:center}
.breadcrumb li+li::before{content:"/";margin-right:8px;color:rgba(255,255,255,.35)}
.breadcrumb a{color:rgba(255,255,255,.82)}
.breadcrumb a:hover{color:var(--accent)}
.hero-kicker{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:12px;
  letter-spacing:.22em;
  color:var(--accent);
  font-weight:700;
  margin-bottom:16px;
}
.hero-kicker::before{content:"";width:24px;height:2px;background:var(--accent);display:block}
.page-hero h1{
  font-size:clamp(28px,4.4vw,48px);
  font-weight:700;
  line-height:1.24;
  letter-spacing:-.02em;
  max-width:22ch;
}
.hero-sub{
  margin-top:16px;
  font-size:clamp(15px,1.5vw,18px);
  line-height:1.8;
  color:rgba(255,255,255,.84);
  max-width:52ch;
}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 15px;
  border-radius:var(--r-btn);
  font-size:13px;
  background:rgba(201,242,77,.13);
  border:1px solid rgba(201,242,77,.3);
  color:var(--accent);
  line-height:1.4;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  min-height:48px;
  padding:0 26px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  white-space:nowrap;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn i{font-size:13px;transition:transform .18s var(--ease)}
.btn:hover i{transform:translateX(4px)}
.btn--primary{background:var(--accent);color:var(--ink)}
.btn--primary:hover{background:#bde43f;color:var(--ink);transform:translateY(-1px);box-shadow:0 14px 28px rgba(11,31,26,.24)}
.btn--ghost{border-color:rgba(255,255,255,.45);color:#fff}
.btn--ghost:hover{background:#fff;border-color:#fff;color:var(--ink)}
.btn--outline{border-color:var(--ink);color:var(--ink)}
.btn--outline:hover{background:var(--ink);color:#fff}
.btn--block{width:100%}

/* ---------- 锚点条 ---------- */
.anchor-bar{
  position:sticky;
  top:0;
  z-index:40;
  background:var(--paper-2);
  border-bottom:1px solid var(--line);
}
.anchor-bar__inner{
  display:flex;
  align-items:center;
  gap:6px;
  overflow-x:auto;
  scrollbar-width:none;
}
.anchor-bar__inner::-webkit-scrollbar{display:none}
.anchor-bar__label{
  font-size:12px;
  letter-spacing:.16em;
  color:var(--muted);
  white-space:nowrap;
  padding-right:8px;
  border-right:1px solid var(--line);
  margin-right:6px;
  line-height:1.2;
}
.anchor-bar a{
  display:inline-flex;
  align-items:center;
  min-height:54px;
  padding:0 16px;
  font-size:14px;
  color:var(--ink-2);
  white-space:nowrap;
  border-bottom:2px solid transparent;
}
.anchor-bar a:hover{color:var(--ink);border-bottom-color:var(--accent)}

/* ---------- 版块 ---------- */
.section{padding:clamp(56px,7.5vw,104px) 0;position:relative}
.section--tight{padding-top:clamp(36px,4vw,56px);padding-bottom:clamp(56px,7vw,96px)}
.section--paper2{background:var(--paper-2)}
.section--dark{background:var(--ink);color:#EFEDE6}
.section--dark h2{color:#fff}
.section-head{max-width:760px;margin-bottom:clamp(30px,4vw,52px)}
.kicker{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:12px;
  letter-spacing:.2em;
  font-weight:700;
  color:var(--warm);
  margin-bottom:14px;
}
.kicker::before{content:"";width:22px;height:2px;background:var(--warm);display:block}
.kicker--light{color:var(--accent)}
.kicker--light::before{background:var(--accent)}
h2{
  font-size:clamp(24px,3.2vw,34px);
  font-weight:700;
  line-height:1.28;
  letter-spacing:-.015em;
}
h3{font-size:19px;font-weight:700;line-height:1.4}
.lead{
  margin-top:14px;
  font-size:16px;
  line-height:1.85;
  color:var(--muted);
  max-width:62ch;
}
.lead--light{color:rgba(255,255,255,.7)}
.body-text{font-size:16px;line-height:1.85;color:var(--muted);max-width:62ch}
.body-text+.body-text{margin-top:14px}

/* ---------- 要点列表 ---------- */
.point-list{display:flex;flex-direction:column;gap:12px}
.point{
  display:flex;
  gap:16px;
  padding:20px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.point:hover{box-shadow:var(--sh-2);border-color:var(--ink-2)}
.point__num{
  flex:0 0 auto;
  width:40px;height:40px;
  border-radius:12px;
  background:var(--accent-soft);
  color:var(--ink);
  display:grid;place-items:center;
  font-weight:800;
  font-size:14px;
  letter-spacing:.02em;
}
.point__body h3{font-size:16px;margin-bottom:6px}
.point__body p{font-size:14px;line-height:1.75;color:var(--muted)}

/* ---------- 图文卡 ---------- */
.figure-card{
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  margin-bottom:24px;
  background:#fff;
}
.figure-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.figure-card--dark{border-color:rgba(255,255,255,.16);box-shadow:none}

.check-list{display:flex;flex-direction:column;gap:12px;margin-top:20px}
.check-list li{display:flex;gap:12px;font-size:15px;line-height:1.75;color:var(--ink-2)}
.check-list i{color:var(--warm);margin-top:5px;font-size:13px;flex:0 0 auto}

/* ---------- 步骤 ---------- */
.steps{margin-top:8px}
.step{
  display:grid;
  grid-template-columns:88px 1fr;
  gap:26px;
  padding:28px 0;
  border-bottom:1px solid var(--line);
}
.step:first-child{border-top:1px solid var(--line)}
.step__num{
  font-size:clamp(34px,4.2vw,52px);
  font-weight:800;
  line-height:1;
  letter-spacing:-.04em;
  color:var(--ink);
  opacity:.26;
  font-variant-numeric:tabular-nums;
}
.step__body h3{margin-bottom:8px}
.step__body p{font-size:15px;line-height:1.8;color:var(--muted);max-width:64ch}

/* ---------- 数据条 ---------- */
.stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
}
.stat{background:#fff;padding:28px 22px}
.stat__num{
  font-size:clamp(30px,3.8vw,46px);
  font-weight:800;
  line-height:1;
  letter-spacing:-.03em;
  color:var(--ink);
  font-variant-numeric:tabular-nums;
}
.stat__label{margin-top:12px;font-size:14px;color:var(--muted);line-height:1.6}

.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.tag{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:9px 16px;
  border-radius:var(--r-btn);
  border:1px solid var(--line);
  background:#fff;
  font-size:13px;
  color:var(--ink-2);
}
.tag i{color:var(--warm);font-size:12px}

/* ---------- 深色承诺区 ---------- */
.promise-list{margin-top:28px;border-top:1px solid rgba(255,255,255,.16)}
.promise-list li{
  display:flex;
  gap:14px;
  padding:16px 0;
  border-bottom:1px solid rgba(255,255,255,.16);
  font-size:15px;
  line-height:1.75;
  color:rgba(255,255,255,.82);
}
.promise-list i{color:var(--accent);margin-top:5px;flex:0 0 auto}
.note-card{
  margin-top:24px;
  padding:22px;
  border-radius:var(--r-card);
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
}
.note-card h4{font-size:15px;color:#fff;margin-bottom:8px}
.note-card p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66)}

/* ---------- FAQ ---------- */
.faq .accordion{background:transparent;border:0}
.faq .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}
.faq .accordion-item:first-child{border-top:1px solid var(--line)}
.faq .accordion-title{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  min-height:48px;
  padding:22px 0;
  background:transparent;
  border:0;
  color:var(--ink);
  font-size:17px;
  font-weight:600;
  line-height:1.5;
}
.faq .accordion-title::before{display:none !important;content:none !important}
.faq .accordion-title:hover{background:transparent;color:var(--ink-2)}
.faq .accordion-title h3{font-size:17px;font-weight:600;line-height:1.5;margin:0}
.acc-icon{
  flex:0 0 auto;
  width:36px;height:36px;
  border-radius:50%;
  background:var(--accent-soft);
  color:var(--ink);
  display:grid;place-items:center;
  font-size:13px;
  transition:transform .22s var(--ease),background-color .22s var(--ease);
}
.faq .accordion-item.is-active .acc-icon{transform:rotate(45deg);background:var(--accent)}
.faq .accordion-content{
  padding:0 0 24px;
  border:0;
  background:transparent;
  color:var(--muted);
  font-size:15.5px;
  line-height:1.85;
  max-width:78ch;
}
.faq .accordion-content p{color:var(--muted)}
.help-card{
  padding:26px;
  border-radius:var(--r-card);
  background:var(--paper-2);
  border:1px solid var(--line);
}
.help-card h3{font-size:17px;margin-bottom:10px}
.help-card p{font-size:14px;line-height:1.8;color:var(--muted);margin-bottom:18px}

/* ---------- CTA 条 ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  background:var(--ink);
  border-radius:24px;
  padding:clamp(32px,4.6vw,56px);
  display:flex;
  gap:32px;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  color:#EFEDE6;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-90px;
  top:-90px;
  width:280px;height:280px;
  border-radius:50%;
  background:rgba(201,242,77,.13);
  pointer-events:none;
}
.cta-band__copy{position:relative;z-index:2;max-width:56ch}
.cta-band h2{color:#fff}
.cta-band p{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.68)}
.cta-band__actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.72);
  padding:clamp(48px,6vw,76px) 0 24px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;
}
.footer-brand__logo{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand__mark{
  width:46px;height:46px;
  border-radius:13px;
  background:var(--accent);
  color:var(--ink);
  display:grid;place-items:center;
  font-weight:800;
  font-size:14px;
}
.footer-brand__name{color:#fff;font-weight:700;font-size:16px;line-height:1.4}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:36ch}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col li{line-height:1.6}
.footer-col a,.footer-col span{
  font-size:14px;
  color:rgba(255,255,255,.66);
  display:inline-flex;
  align-items:center;
  gap:9px;
}
.footer-col a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.footer-col i{color:var(--accent);font-size:13px;width:16px;text-align:center}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:16px;
  margin-top:46px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.13);
  font-size:13px;
  color:rgba(255,255,255,.52);
}
.to-top{
  display:inline-flex;
  align-items:center;
  gap:9px;
  min-height:44px;
  padding:0 18px;
  border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.26);
  color:#fff;
  font-size:13px;
}
.to-top:hover{background:var(--accent);border-color:var(--accent);color:var(--ink)}

/* ---------- 动效 ---------- */
.reveal-up{opacity:0;transform:translateY(16px);transition:opacity .42s var(--ease),transform .42s var(--ease)}
.reveal-up.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (min-width:1440px){
  :root{--content-max:1240px}
}
@media (max-width:1023px){
  .side-nav{display:none}
  .mobile-bar{display:flex}
  .anchor-bar{top:var(--mbar-h)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .container{padding-left:24px;padding-right:24px}
}
@media (max-width:767px){
  .stats{grid-template-columns:1fr 1fr}
  .step{grid-template-columns:1fr;gap:12px;padding:22px 0}
  .step__num{
    font-size:14px;
    font-weight:800;
    opacity:1;
    width:auto;
    display:inline-flex;
    align-items:center;
    height:30px;
    padding:0 12px;
    border-radius:var(--r-btn);
    background:var(--accent-soft);
    letter-spacing:.08em;
  }
  .cta-band__actions{width:100%}
  .cta-band__actions .btn{flex:1 1 auto}
}
@media (max-width:599px){
  .container{padding-left:18px;padding-right:18px}
  .page-hero__inner{padding-top:68px;padding-bottom:40px}
  .footer-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .badge{font-size:12px;padding:7px 12px}
  .tag{font-size:12px}
  .point{padding:16px;gap:12px}
  .point__num{width:34px;height:34px;font-size:13px;border-radius:10px}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important}
  .reveal-up{opacity:1;transform:none}
  .btn:hover i{transform:none}
}