/* roulang page: index */
:root{
  --ink:#0F2A24;
  --ink-2:#1B3B33;
  --ink-3:#2E564B;
  --lime:#C6F24E;
  --orange:#E0623C;
  --sand:#F7F5EF;
  --white:#FFFFFF;
  --line:#E6E2D8;
  --text:#2B2B2B;
  --muted:#6E6A61;
  --r-card:12px;
  --r-input:8px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(15,42,36,.06);
  --sh-2:0 12px 32px -16px rgba(15,42,36,.22);
  --nav-h:64px;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:84px}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit}
button{cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}
::selection{background:var(--lime);color:var(--ink)}
.container{width:100%;max-width:1240px;margin:0 auto;padding-left:32px;padding-right:32px}
@media (max-width:767.98px){
  .container{padding-left:20px;padding-right:20px}
}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1040;
  height:var(--nav-h);
  background:rgba(247,245,239,.72);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:background .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.is-scrolled{background:rgba(247,245,239,.96);box-shadow:var(--sh-1)}
.nav-inner{height:var(--nav-h);display:flex;align-items:center;gap:24px}
.nav-left{display:flex;align-items:center;gap:26px;flex:1 1 auto;min-width:0}
.nav-right{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:32px;height:32px;border-radius:9px;background:var(--ink);color:var(--lime);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:900;letter-spacing:0;flex:none;
}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-.02em;color:var(--ink);white-space:nowrap}
.brand-text--short{display:none}
.nav-links{display:flex;align-items:center;gap:2px}
.nv-link{
  position:relative;display:inline-block;padding:8px 11px;border-radius:9px;
  font-size:14px;font-weight:500;color:var(--ink);white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.nv-link:hover{background:rgba(15,42,36,.07)}
.nv-link.is-active{font-weight:700}
.nv-link.is-active::after{
  content:"";position:absolute;left:11px;right:11px;bottom:2px;height:2px;
  background:var(--lime);border-radius:2px;
}
.nav-search{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--r-pill);background:#fff;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search:focus-within{border-color:var(--ink);box-shadow:0 0 0 3px rgba(198,242,78,.35)}
.nav-search svg{flex:none;color:var(--muted)}
.nav-search input{
  border:0;outline:0;background:transparent;width:132px;font-size:14px;color:var(--text);
}
.nav-search input::placeholder{color:#A5A196}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:transparent;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px}

/* ============ 按钮 ============ */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  background:var(--lime);border:1px solid var(--lime);color:var(--ink);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:background .25s var(--ease),color .25s var(--ease),transform .25s var(--ease),border-color .25s var(--ease);
}
.btn-main:hover{background:var(--ink);color:var(--lime);border-color:var(--ink);transform:translateY(-2px)}
.btn-main:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  background:transparent;border:1px solid var(--ink);color:var(--ink);
  font-size:15px;font-weight:600;
  transition:background .25s var(--ease),color .25s var(--ease),transform .25s var(--ease);
}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-sm{height:44px;padding:0 20px;font-size:14px}
.btn-text{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:600;color:var(--ink);padding-bottom:3px;
}
.btn-text::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;
  background:var(--lime);transform:scaleX(0);transform-origin:left;
  transition:transform .24s var(--ease);
}
.btn-text:hover::after{transform:scaleX(1)}

/* ============ 首屏 ============ */
.hero{background:var(--sand);padding-top:48px;padding-bottom:36px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--ink-3);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  padding:7px 14px;margin-bottom:22px;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--lime);display:inline-block}
.hero-title{
  font-size:clamp(34px,4.6vw,60px);font-weight:900;line-height:1.14;
  letter-spacing:-.04em;color:var(--ink);margin-bottom:22px;
}
.hero-title .hl{position:relative;display:inline-block}
.hero-title .hl::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:10px;
  background:var(--lime);opacity:.5;z-index:-1;border-radius:3px;
  transform:scaleX(0);transform-origin:left;
  transition:transform .24s var(--ease);
}
.is-in .hero-title .hl::after{transform:scaleX(1)}
.hero-sub{font-size:17px;line-height:1.8;color:var(--muted);max-width:560px;margin-bottom:30px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.hero-points{display:grid;gap:11px;margin-bottom:26px}
.hero-points li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--ink-2)}
.tick{flex:none;width:18px;height:18px;margin-top:5px;stroke:var(--ink);stroke-width:2.2;fill:none;stroke-linecap:round;stroke-linejoin:round}
.badge-row{display:flex;flex-wrap:wrap;gap:8px}
.badge-chip{
  font-size:12px;font-weight:600;letter-spacing:.04em;color:var(--ink-3);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);padding:5px 12px;
}
.hero-visual{position:relative}
.hero-figure{
  position:relative;border-radius:16px;overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--sh-2);aspect-ratio:4/3;background:var(--line);
}
.hero-figure img{width:100%;height:100%;object-fit:cover;filter:saturate(.94)}
.hero-figure::after{
  content:"";position:absolute;inset:0;background:rgba(15,42,36,.08);pointer-events:none;
}
.corner-tag{
  position:absolute;top:18px;right:18px;z-index:2;
  background:var(--lime);color:var(--ink);
  font-size:12px;font-weight:800;letter-spacing:.1em;line-height:1;
  padding:9px 12px;border-radius:8px;box-shadow:var(--sh-1);
}
.float-card{
  position:absolute;left:-18px;bottom:26px;z-index:2;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:16px 22px;box-shadow:var(--sh-2);
}
.float-num{
  font-size:34px;font-weight:900;line-height:1;color:var(--ink);
  letter-spacing:-.04em;font-variant-numeric:tabular-nums;
}
.float-num span{font-size:14px;font-weight:700;color:var(--ink-3);margin-left:4px}
.float-label{font-size:12.5px;color:var(--muted);margin-top:6px;letter-spacing:.02em}
.float-bar{margin-top:10px;height:4px;width:100%;border-radius:4px;background:var(--line);overflow:hidden}
.float-bar i{display:block;height:100%;width:78%;background:var(--lime);border-radius:4px}

/* ============ 快速入口条 ============ */
.quick-strip{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.quick-inner{display:flex;align-items:center;gap:18px;padding:20px 0}
.quick-label{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--muted);flex:none}
.chip-row{display:flex;gap:12px;overflow-x:auto;padding:4px 2px;scrollbar-width:none}
.chip-row::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;align-items:center;gap:8px;flex:none;
  height:44px;padding:0 20px;border-radius:var(--r-pill);
  background:var(--sand);border:1px solid var(--line);color:var(--ink);
  font-size:14.5px;font-weight:600;white-space:nowrap;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.chip:hover{background:var(--ink);color:#fff;border-color:var(--ink);transform:translateY(-2px)}
.chip em{font-style:normal;font-size:11px;font-weight:800;color:var(--orange);letter-spacing:.06em}

/* ============ 板块 ============ */
.section{padding:112px 0}
.section--white{background:#fff}
.section--line{border-top:1px solid var(--line)}
.sec-head{max-width:780px;margin-bottom:54px}
.sec-eyebrow{
  display:block;font-size:12px;font-weight:800;letter-spacing:.18em;
  color:var(--ink-3);margin-bottom:14px;
}
.sec-title{
  font-size:clamp(26px,3vw,40px);font-weight:800;line-height:1.25;
  letter-spacing:-.03em;color:var(--ink);margin-bottom:16px;
}
.sec-title .hl{position:relative;display:inline-block}
.sec-title .hl::after{
  content:"";position:absolute;left:0;right:0;bottom:4px;height:8px;
  background:var(--lime);opacity:.5;border-radius:3px;z-index:-1;
  transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.is-in .sec-title .hl::after{transform:scaleX(1)}
.sec-desc{font-size:16px;color:var(--muted);max-width:760px}
.sec-head--split{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;max-width:none}

/* ============ 三步上手 ============ */
.steps{display:flex;flex-direction:column}
.step-row{
  display:grid;grid-template-columns:190px 1fr 56px;gap:36px;align-items:center;
  padding:38px 8px;border-top:1px solid var(--line);
  transition:background .25s var(--ease),padding .25s var(--ease);
}
.step-row:last-child{border-bottom:1px solid var(--line)}
.step-row:hover{background:#fff;padding-left:20px;padding-right:20px}
.step-num{
  font-size:clamp(56px,8vw,96px);font-weight:900;line-height:.9;
  letter-spacing:-.05em;font-variant-numeric:tabular-nums;
  color:transparent;-webkit-text-stroke:1.5px var(--ink-3);
  transition:-webkit-text-stroke-color .25s var(--ease),transform .25s var(--ease);
}
.step-row:hover .step-num{-webkit-text-stroke-color:var(--ink);transform:translateX(2px)}
.step-body h3{font-size:21px;font-weight:800;color:var(--ink);letter-spacing:-.02em;margin-bottom:8px}
.step-body p{font-size:15px;color:var(--muted);max-width:640px}
.step-arrow{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--ink);
  transition:background .25s var(--ease),transform .25s var(--ease),border-color .25s var(--ease);
}
.step-row:hover .step-arrow{background:var(--lime);border-color:var(--lime);transform:translateX(4px)}

/* ============ 准备清单 ============ */
.prep{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.prep-figure{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--sh-2);aspect-ratio:4/3;position:relative;background:var(--line);
}
.prep-figure img{width:100%;height:100%;object-fit:cover}
.prep-figure::after{content:"";position:absolute;inset:0;background:rgba(15,42,36,.08)}
.prep-list{display:flex;flex-direction:column}
.prep-item{display:flex;gap:18px;padding:22px 0;border-bottom:1px solid var(--line)}
.prep-item:first-child{padding-top:0}
.prep-item:last-child{border-bottom:0;padding-bottom:0}
.prep-idx{
  flex:none;width:34px;height:34px;border-radius:10px;margin-top:4px;
  background:var(--sand);border:1px solid var(--line);color:var(--ink);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;font-variant-numeric:tabular-nums;
}
.prep-item h3{font-size:17px;font-weight:700;color:var(--ink);margin-bottom:6px;letter-spacing:-.01em}
.prep-item p{font-size:14.5px;color:var(--muted)}

/* ============ 案例与数据 ============ */
.proof{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:36px 40px}
.stat{border-top:2px solid var(--ink);padding-top:18px}
.stat-num{
  font-size:clamp(40px,5vw,64px);font-weight:900;line-height:1;color:var(--ink);
  letter-spacing:-.04em;font-variant-numeric:tabular-nums;
}
.stat-num em{font-style:normal;font-size:.4em;font-weight:700;color:var(--ink-3);margin-left:6px;letter-spacing:0}
.stat-label{font-size:14px;color:var(--muted);margin-top:10px;line-height:1.7}
.quotes{display:grid;gap:22px}
.quote-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.quote-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.quote-head{display:flex;align-items:center;gap:14px;margin-bottom:16px}
.quote-head img{width:48px;height:48px;border-radius:12px;object-fit:cover}
.quote-name{font-size:15px;font-weight:700;color:var(--ink)}
.quote-role{font-size:12.5px;color:var(--muted);letter-spacing:.02em}
.quote-text{font-size:15px;color:var(--ink-2);line-height:1.85}
.quote-text::before{content:"“";color:var(--lime);font-size:26px;font-weight:900;line-height:0;margin-right:2px}

/* ============ FAQ ============ */
.faq-list{max-width:880px;margin:0 auto}
.faq-item{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);margin-bottom:14px;overflow:hidden;
  transition:box-shadow .25s var(--ease);
}
.faq-item:hover{box-shadow:var(--sh-1)}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--lime);
  transform:scaleY(0);transform-origin:top;transition:transform .24s var(--ease);
}
.faq-item.open::before{transform:scaleY(1)}
.faq-q{
  display:flex; align-items:center; justify-content:space-between; gap:20px;
  width:100%; background:none; border:0; text-align:left;
  padding:22px 26px; font-size:17px; font-weight:700; color:var(--ink);
  letter-spacing:-.01em; line-height:1.6;
}
.faq-q.collapsed{color:var(--ink)}
.faq-icon{position:relative;width:18px;height:18px;flex:none}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--ink);border-radius:2px;
  transition:transform .24s var(--ease),opacity .24s var(--ease);
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-q:not(.collapsed) .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-a{padding:0 26px 26px;font-size:15px;line-height:1.85;color:var(--muted);max-width:760px}

/* ============ 最新信息 ============ */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.news-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;height:100%;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.news-card__main{display:flex;flex-direction:column;gap:14px;padding:28px;flex:1}
.news-card--lead{grid-column:1/-1;flex-direction:row}
.news-card--lead .news-card__cover{width:44%;flex:none;object-fit:cover}
.news-card--lead .news-card__main{padding:38px}
.badge-cat{
  align-self:flex-start;font-size:12px;font-weight:700;letter-spacing:.05em;
  padding:5px 12px;border-radius:var(--r-pill);
  background:var(--sand);color:var(--ink);border:1px solid var(--line);
}
.news-card__title{font-size:19px;font-weight:700;line-height:1.45;letter-spacing:-.02em;color:var(--ink)}
.news-card--lead .news-card__title{font-size:clamp(22px,2.4vw,28px);max-width:720px}
.news-card__title a{transition:color .2s var(--ease)}
.news-card__title a:hover{color:var(--ink-3)}
.news-card__desc{
  font-size:14.5px;color:var(--muted);line-height:1.8;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card--lead .news-card__desc{-webkit-line-clamp:3;max-width:680px}
.news-card__meta{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  margin-top:auto;padding-top:6px;font-size:13px;color:var(--muted);
  font-variant-numeric:tabular-nums;
}
.news-card__more{font-size:13.5px;font-weight:700;color:var(--ink);border-bottom:1px solid var(--lime)}
.empty-state{
  background:var(--sand);border:1px dashed var(--line);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;color:var(--muted);
}
.empty-state p{font-size:15px;margin-bottom:20px}

/* ============ CTA 带 ============ */
.cta-band{position:relative;background:var(--ink);color:#fff;overflow:hidden;padding:64px 0}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.55;
  background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:52px 52px;
}
.cta-inner{
  position:relative;display:flex;align-items:center;justify-content:space-between;
  gap:36px;flex-wrap:wrap;
}
.cta-title{font-size:clamp(22px,2.6vw,32px);font-weight:800;letter-spacing:-.03em;margin-bottom:10px}
.cta-sub{font-size:15px;color:rgba(255,255,255,.72);max-width:640px}
.cta-side{display:flex;gap:14px;flex-wrap:wrap}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.4);color:#fff}
.cta-band .btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.7);padding-top:76px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:18px}
.footer-brand .brand-mark{background:var(--lime);color:var(--ink)}
.footer-brand span{font-size:17px;font-weight:800;color:#fff;letter-spacing:-.02em}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);max-width:340px}
.footer-col h4{
  font-size:12px;font-weight:800;letter-spacing:.16em;color:var(--lime);
  margin-bottom:20px;
}
.footer-links{display:grid;gap:11px}
.footer-links a{font-size:14.5px;color:rgba(255,255,255,.7);transition:color .2s var(--ease)}
.footer-links a:hover{color:var(--lime);text-decoration:underline}
.footer-contact{display:grid;gap:12px;font-size:14.5px;color:rgba(255,255,255,.7)}
.footer-contact strong{color:#fff;font-weight:600;display:block;font-size:13px;letter-spacing:.04em;margin-bottom:2px}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 26px;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a:hover{color:var(--lime)}

/* ============ 移动端抽屉 ============ */
.drawer{background:var(--ink)!important;color:#fff;width:min(340px,86vw)!important}
.drawer .offcanvas-header{
  border-bottom:1px solid rgba(255,255,255,.12);padding:18px 22px;
}
.drawer-brand{font-size:16px;font-weight:800;color:#fff;letter-spacing:-.02em}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid rgba(255,255,255,.2);
  background:transparent;color:#fff;font-size:20px;line-height:1;
  display:flex;align-items:center;justify-content:center;
}
.drawer .offcanvas-body{padding:16px 22px}
.drawer-nav{display:grid;gap:4px}
.drawer-link{
  display:block;padding:13px 14px;border-radius:10px;
  font-size:15px;color:rgba(255,255,255,.82);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.drawer-link:hover,.drawer-link.is-active{background:rgba(198,242,78,.14);color:var(--lime)}
.drawer-foot{padding:16px 22px 26px}
.drawer-foot .btn-main{width:100%}

/* ============ 入场动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s var(--ease),transform .4s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
.reveal-d1{transition-delay:.06s}
.reveal-d2{transition-delay:.12s}
.reveal-d3{transition-delay:.18s}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* ============ 响应式 ============ */
@media (min-width:992px) and (max-width:1199.98px){
  .brand-text{font-size:15px}
  .nav-links{gap:0}
  .nv-link{font-size:13.5px;padding:8px 8px}
  .nav-search{display:none}
}
@media (max-width:1199.98px){
  .hero-grid{gap:40px}
  .step-row{grid-template-columns:150px 1fr 48px;gap:28px}
}
@media (max-width:991.98px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .nav-search{display:none}
  .section{padding:80px 0}
  .hero{padding-top:36px}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-sub,.sec-desc{max-width:100%}
  .prep{grid-template-columns:1fr;gap:36px}
  .proof{grid-template-columns:1fr;gap:44px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .news-card--lead{flex-direction:row}
  .news-card--lead .news-card__cover{width:40%}
  .step-row{grid-template-columns:110px 1fr 44px;gap:22px;padding:30px 4px}
}
@media (max-width:767.98px){
  .section{padding:56px 0}
  .brand-text--full{display:none}
  .brand-text--short{display:inline}
  .hero-title{font-size:clamp(30px,7.6vw,40px)}
  .hero-cta{gap:12px}
  .hero-cta .btn-main,.hero-cta .btn-ghost{flex:1 1 100%}
  .float-card{left:14px;bottom:14px;padding:13px 16px}
  .float-num{font-size:26px}
  .step-row{grid-template-columns:1fr;gap:14px;padding:26px 0}
  .step-num{font-size:clamp(48px,16vw,68px)}
  .step-arrow{display:none}
  .stats{grid-template-columns:1fr 1fr;gap:28px 20px}
  .news-grid{grid-template-columns:1fr}
  .news-card--lead{flex-direction:column}
  .news-card--lead .news-card__cover{width:100%;aspect-ratio:16/9}
  .news-card--lead .news-card__main{padding:26px}
  .faq-q{font-size:16px;padding:18px 20px}
  .faq-a{padding:0 20px 22px}
  .sec-head--split{flex-direction:column;align-items:flex-start}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-side{width:100%}
  .cta-side .btn-main,.cta-side .btn-ghost{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .quick-inner{flex-direction:column;align-items:flex-start;gap:12px}
}
@media (max-width:479.98px){
  .brand-mark{width:28px;height:28px;font-size:13px}
  .brand-text{font-size:14px}
  .hero-title{font-size:clamp(26px,8.2vw,34px)}
  .stat-num{font-size:34px}
  .quote-card{padding:22px}
}

/* roulang page: article */
:root{
  --ink:#0F2A24;
  --ink-2:#1B3B33;
  --ink-3:#2E564B;
  --lime:#C6F24E;
  --clay:#E0623C;
  --sand:#F7F5EF;
  --card:#FFFFFF;
  --line:#E6E2D8;
  --text:#2B2B2B;
  --muted:#6E6A61;
  --r-card:12px;
  --r-input:8px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(15,42,36,.06);
  --sh-2:0 12px 32px -16px rgba(15,42,36,.22);
  --wrap:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--ink);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease,transform .2s ease}
a:hover{color:var(--ink-3)}
p{margin:0 0 1em}
h1,h2,h3,h4{margin:0;font-weight:800;color:var(--ink);letter-spacing:-.02em}
button{font-family:inherit}
.container{width:100%;max-width:var(--wrap);margin:0 auto;padding-left:32px;padding-right:32px}
@media (max-width:767px){.container{padding-left:20px;padding-right:20px}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(247,245,239,.88);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:background-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{background:rgba(247,245,239,.97);box-shadow:var(--sh-1)}
.header-inner{display:flex;align-items:center;gap:18px;height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;font-size:17px;font-weight:800;letter-spacing:-.03em;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-mark{width:32px;height:32px;border-radius:9px;background:var(--ink);color:var(--lime);display:grid;place-items:center;font-size:15px;font-weight:900;letter-spacing:0}
.brand-text{white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:6px;flex-wrap:nowrap}
.nv-link{
  position:relative;display:inline-flex;align-items:center;height:38px;padding:0 12px;
  border-radius:var(--r-pill);font-size:14.5px;font-weight:500;color:#414b47;white-space:nowrap;
}
.nv-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:5px;height:2px;border-radius:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left center;
  transition:transform .24s cubic-bezier(.2,.7,.2,1);
}
.nv-link:hover{color:var(--ink);background:rgba(15,42,36,.05)}
.nv-link:hover::after,.nv-link.is-active::after{transform:scaleX(1)}
.nv-link.is-active{color:var(--ink);font-weight:700}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-toggle{
  width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:12px;
  display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s ease}
.nav-toggle:hover{background:var(--sand)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:background-color .22s cubic-bezier(.2,.7,.2,1),color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.btn i{font-size:14px}
.btn-primary{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.btn-primary:hover{background:var(--ink);color:var(--lime);border-color:var(--ink);transform:translateY(-2px)}
.btn-outline{background:transparent;color:var(--ink);border-color:rgba(15,42,36,.32)}
.btn-outline:hover{background:var(--ink);color:#fff;border-color:var(--ink);transform:translateY(-2px)}
.btn-ink{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-ink:hover{background:var(--ink-2);color:#fff;transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn:focus-visible,.nv-link:focus-visible,a:focus-visible,button:focus-visible{outline:2px solid var(--lime);outline-offset:2px}

/* ---------- 侧滑导航 ---------- */
.nav-drawer{background:var(--ink);color:#fff;width:308px;max-width:88vw}
.nav-drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.12);padding:18px 20px}
.nav-drawer .offcanvas-title{color:#fff;font-size:16px;font-weight:800;letter-spacing:-.02em}
.nav-drawer .btn-close{filter:invert(1) grayscale(1) brightness(2);opacity:.8}
.nav-drawer .offcanvas-body{padding:18px 20px 24px;display:flex;flex-direction:column}
.drawer-link{display:block;padding:14px 0;font-size:15.5px;color:rgba(255,255,255,.82);border-bottom:1px solid rgba(255,255,255,.08)}
.drawer-link:hover{color:var(--lime)}
.drawer-link.is-active{color:var(--lime);font-weight:700}
.drawer-foot{margin-top:auto;padding-top:24px}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;color:#fff;padding:40px 0 64px;
  background-color:var(--ink);
  background-image:linear-gradient(115deg,rgba(15,42,36,.95) 0%,rgba(15,42,36,.82) 55%,rgba(27,59,51,.78) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.6);margin-bottom:26px}
.crumb a{color:rgba(255,255,255,.72);border-bottom:1px solid transparent;padding-bottom:1px}
.crumb a:hover{color:var(--lime);border-bottom-color:var(--lime)}
.crumb .sep{color:rgba(255,255,255,.32)}
.crumb .cur{color:#fff;max-width:min(520px,56vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.badge-cat{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:rgba(198,242,78,.16);border:1px solid rgba(198,242,78,.4);color:var(--lime);
  font-size:12px;font-weight:700;letter-spacing:.08em;
}
.article-hero h1{
  margin:18px 0 16px;max-width:900px;
  font-size:clamp(28px,3.4vw,44px);line-height:1.28;font-weight:900;letter-spacing:-.03em;color:#fff;
}
.article-lead{max-width:760px;font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.72);margin:0 0 26px}
.head-rule{width:64px;height:4px;border-radius:2px;background:var(--lime);margin-bottom:22px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13.5px;color:rgba(255,255,255,.68)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.34)}
.article-meta strong{color:#fff;font-weight:600}
.share-group{display:flex;align-items:center;gap:8px;margin-left:auto}
.share-btn{
  width:36px;height:36px;border-radius:50%;display:grid;place-items:center;cursor:pointer;
  background:transparent;border:1px solid rgba(255,255,255,.28);color:rgba(255,255,255,.85);font-size:13px;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.share-btn:hover{background:var(--lime);color:var(--ink);border-color:var(--lime);transform:translateY(-2px)}
.copy-tip{margin-left:10px;font-size:12.5px;color:var(--lime);opacity:0;transition:opacity .25s ease}
.copy-tip.show{opacity:1}

/* ---------- 正文布局 ---------- */
.article-wrap{padding:60px 0 84px}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;align-items:start}
.article-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:44px;box-shadow:var(--sh-1)}
.article-body{font-size:16.5px;line-height:1.9;color:#33362f;max-width:820px}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 22px;color:#33362f}
.article-body h2{
  position:relative;margin:46px 0 18px;padding-left:16px;
  font-size:clamp(21px,2vw,26px);font-weight:800;line-height:1.4;color:var(--ink);letter-spacing:-.02em;
}
.article-body h2::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:3px;border-radius:2px;background:var(--lime)}
.article-body h3{margin:32px 0 12px;font-size:19.5px;font-weight:800;line-height:1.45;color:var(--ink-2)}
.article-body h4{margin:24px 0 10px;font-size:17px;font-weight:700;color:var(--ink-2)}
.article-body ul,.article-body ol{margin:0 0 24px;padding-left:22px}
.article-body li{margin-bottom:10px}
.article-body li::marker{color:var(--ink-3);font-weight:700}
.article-body a{color:var(--ink);border-bottom:1px solid var(--lime);font-weight:600}
.article-body a:hover{color:var(--ink-3);background:rgba(198,242,78,.22)}
.article-body strong{color:var(--ink);font-weight:700}
.article-body blockquote{
  margin:28px 0;padding:18px 24px;background:var(--sand);
  border-left:3px solid var(--ink);border-radius:0 var(--r-card) var(--r-card) 0;color:#3c443f;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-card);margin:26px 0}
.article-body figure{margin:28px 0}
.article-body figcaption{margin-top:10px;font-size:13px;color:var(--muted);text-align:center;line-height:1.7}
.article-body table{
  width:100%;margin:26px 0;font-size:15px;border:1px solid var(--line);
  border-collapse:collapse;border-radius:var(--r-card);overflow:hidden;
}
.article-body th{background:var(--sand);color:var(--ink);font-weight:700;text-align:left}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.article-body tbody tr:nth-child(even){background:#FBFAF6}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body hr{border:0;border-top:1px solid var(--line);margin:34px 0}

.article-empty{padding:8px 0 4px}
.article-empty h2{font-size:23px;margin-bottom:12px}
.article-empty p{color:var(--muted);margin-bottom:22px}

/* ---------- 文末元素 ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px;padding-top:26px;border-top:1px solid var(--line)}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--sand);border:1px solid var(--line);font-size:13px;color:var(--ink-3);
}
.tag:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:26px}
.post-nav a{
  display:block;padding:18px 20px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.post-nav a:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(15,42,36,.2)}
.post-nav .pn-label{display:block;font-size:12px;letter-spacing:.12em;color:var(--muted);margin-bottom:6px}
.post-nav .pn-title{display:block;font-size:15px;font-weight:700;color:var(--ink);line-height:1.6}
.post-nav .pn-next{text-align:right}
.back-row{margin-top:22px}

/* ---------- 侧栏 ---------- */
.side-col{position:sticky;top:88px;display:flex;flex-direction:column;gap:20px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px}
.side-title{
  margin:0 0 16px;padding-bottom:12px;border-bottom:1px solid var(--line);
  font-size:12px;font-weight:800;letter-spacing:.16em;color:var(--ink-3);
}
.side-list{list-style:none;margin:0;padding:0}
.side-list li+li{margin-top:14px;padding-top:14px;border-top:1px dashed var(--line)}
.side-list a{display:block;font-size:14.5px;line-height:1.65;color:#3a423e;font-weight:600}
.side-list a:hover{color:var(--ink)}
.side-list span{display:block;margin-top:4px;font-size:12.5px;color:var(--muted)}
.side-note{font-size:14px;line-height:1.85;color:var(--muted);margin:0}

/* ---------- 推荐 ---------- */
.section{padding:72px 0}
.section-sand{background:var(--sand);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap}
.sec-title{font-size:clamp(22px,2.4vw,30px);font-weight:800;letter-spacing:-.025em}
.sec-sub{margin:8px 0 0;font-size:14.5px;color:var(--muted);max-width:620px}
.link-more{font-size:14.5px;font-weight:700;color:var(--ink);border-bottom:1px solid var(--lime);padding-bottom:2px}
.link-more:hover{color:var(--ink-3);background:rgba(198,242,78,.22)}
.rec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rec-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:none;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.rec-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(15,42,36,.18)}
.rec-thumb{position:relative;aspect-ratio:4/3;overflow:hidden;background:#EDE9DF}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.2,.7,.2,1)}
.rec-thumb::after{content:"";position:absolute;inset:0;background:rgba(15,42,36,.08)}
.rec-card:hover .rec-thumb img{transform:scale(1.03)}
.rec-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1}
.rec-cat{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  background:var(--sand);border:1px solid var(--line);color:var(--ink);font-size:11.5px;
  letter-spacing:.06em;font-weight:700;align-self:flex-start;margin-bottom:12px;
}
.rec-title{font-size:16.5px;font-weight:700;line-height:1.55;color:var(--ink);margin:0 0 10px}
.rec-desc{font-size:14px;line-height:1.8;color:var(--muted);margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-time{margin-top:auto;font-size:12.5px;color:var(--muted)}

/* ---------- CTA ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:56px 0}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:36px 36px;
}
.cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(22px,2.4vw,30px);color:#fff;letter-spacing:-.025em;margin-bottom:10px}
.cta-inner p{margin:0;font-size:14.5px;color:rgba(255,255,255,.68);max-width:620px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding-top:64px}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1.1fr 1.2fr;gap:40px;
  padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:800;letter-spacing:-.03em;margin-bottom:14px}
.footer-brand .brand-mark{background:var(--lime);color:var(--ink)}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:330px;margin:0}
.footer-col h4{font-size:12px;letter-spacing:.16em;font-weight:800;color:var(--lime);margin:0 0 16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{align-self:flex-start;font-size:14.5px;color:rgba(255,255,255,.7);border-bottom:1px solid transparent;padding-bottom:1px}
.footer-links a:hover{color:var(--lime);border-bottom-color:var(--lime)}
.footer-contact div{font-size:14px;color:rgba(255,255,255,.7);margin-bottom:10px}
.footer-contact strong{color:rgba(255,255,255,.92);font-weight:600;margin-right:6px}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0 28px;font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);animation:rise .55s cubic-bezier(.2,.7,.2,1) forwards}
.reveal.d1{animation-delay:.06s}
.reveal.d2{animation-delay:.12s}
@keyframes rise{to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){
  .reveal{animation:none;opacity:1;transform:none}
  html{scroll-behavior:auto}
  *{transition:none!important}
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .layout{grid-template-columns:minmax(0,1fr) 300px;gap:32px}
  .article-card{padding:36px}
}
@media (max-width:991px){
  .layout{grid-template-columns:1fr;gap:28px}
  .side-col{position:static}
  .article-hero{padding:32px 0 52px}
  .rec-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:56px 0}
}
@media (max-width:767px){
  .header-inner{height:56px}
  .site-header .brand-text{font-size:15.5px}
  .article-card{padding:24px 20px}
  .article-body{font-size:16px}
  .article-body h2{margin-top:36px}
  .article-hero h1{font-size:clamp(24px,6.4vw,32px)}
  .crumb .cur{max-width:70vw}
  .post-nav{grid-template-columns:1fr}
  .post-nav .pn-next{text-align:left}
  .btn{width:100%}
  .cta-actions{width:100%}
  .section{padding:48px 0}
  .article-wrap{padding:40px 0 60px}
}
@media (max-width:640px){
  .rec-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:480px){
  .brand-text{max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .share-group{margin-left:0}
}

/* roulang page: category1 */
:root{
  --ink:#0F2A24;
  --ink-2:#1B3B33;
  --ink-3:#2E564B;
  --lime:#C6F24E;
  --clay:#E0623C;
  --sand:#F7F5EF;
  --card:#FFFFFF;
  --line:#E6E2D8;
  --text:#2B2B2B;
  --muted:#6E6A61;
  --radius:12px;
  --radius-sm:8px;
  --shadow-1:0 1px 2px rgba(15,42,36,.06);
  --shadow-2:0 12px 32px -16px rgba(15,42,36,.22);
  --nav-h:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:88px}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.85;color:var(--text);background:var(--sand);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease}
button{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;letter-spacing:-.03em;line-height:1.2}
h1{font-size:clamp(30px,4.4vw,46px)}
h2{font-size:clamp(26px,3vw,36px)}
h3{font-size:20px;letter-spacing:-.02em}
p{margin:0 0 14px}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;height:var(--nav-h);
  display:flex;align-items:center;
  background:rgba(247,245,239,.72);
  border-bottom:1px solid var(--line);
  transition:background-color .3s ease,box-shadow .3s ease,backdrop-filter .3s ease;
}
.site-header.is-scrolled{
  background:rgba(247,245,239,.92);
  backdrop-filter:blur(10px);
  box-shadow:var(--shadow-1);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:var(--ink);letter-spacing:-.02em;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--ink);color:var(--lime);
  display:grid;place-items:center;font-weight:900;font-size:15px;flex:none;
}
.nav-links{display:none;align-items:center;gap:24px}
@media (min-width:992px){.nav-links{display:flex}}
.nv-link{position:relative;font-size:15px;color:var(--ink-2);padding:6px 0;white-space:nowrap}
.nv-link::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--lime);transition:width .24s ease}
.nv-link:hover{color:var(--ink)}
.nv-link:hover::after,.nv-link.is-active::after{width:100%}
.nv-link.is-active{color:var(--ink);font-weight:700}
.header-side{display:flex;align-items:center;gap:12px;flex:none}
.nav-toggle{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;color:var(--ink);cursor:pointer;
}
.nav-toggle:hover{background:var(--sand)}
@media (min-width:992px){.nav-toggle{display:none}}
.btn-lime-solid{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;background:var(--lime);color:var(--ink);
  font-weight:700;font-size:15px;border:1px solid var(--lime);cursor:pointer;
  transition:background-color .22s ease,color .22s ease,transform .22s ease;
}
.btn-lime-solid:hover{background:var(--ink);color:var(--lime);border-color:var(--ink);transform:translateY(-2px)}
.header-cta{display:none}
@media (min-width:992px){.header-cta{display:inline-flex}}

/* 移动端抽屉 */
.offcanvas.offcanvas-end.nav-drawer{background:var(--ink);color:#fff;width:min(320px,86vw)}
.nav-drawer .drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid rgba(255,255,255,.12)}
.nav-drawer .drawer-brand{display:flex;align-items:center;gap:10px;font-weight:800;color:#fff;font-size:16px}
.nav-drawer .drawer-brand .brand-mark{background:var(--lime);color:var(--ink)}
.nav-drawer .btn-close{filter:invert(1) grayscale(1) brightness(2);opacity:.7}
.nav-drawer .drawer-body{padding:16px 22px 22px;display:flex;flex-direction:column;height:calc(100% - 74px)}
.nav-drawer .drawer-links{display:flex;flex-direction:column}
.nav-drawer .drawer-links a{
  padding:14px 0;font-size:16px;color:rgba(255,255,255,.78);border-bottom:1px solid rgba(255,255,255,.09);
}
.nav-drawer .drawer-links a:hover,.nav-drawer .drawer-links a.is-active{color:var(--lime)}
.drawer-foot{margin-top:auto;padding-top:22px}
.drawer-foot .btn-lime-solid{width:100%;height:48px;background:var(--lime);color:var(--ink)}
.drawer-foot .btn-lime-solid:hover{background:transparent;color:var(--lime);border-color:var(--lime)}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:var(--sand);border-bottom:1px solid var(--line);padding:14px 0}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin:0;padding:0;list-style:none}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb a{color:var(--muted);border-bottom:1px solid transparent;padding-bottom:1px}
.crumb a:hover{color:var(--ink);border-bottom-color:var(--lime)}
.crumb .sep{color:#C7C2B6}

/* ---------- Hero 横幅 ---------- */
.cat-hero{
  position:relative;overflow:hidden;color:#fff;
  background:url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  padding:64px 0 56px;
}
.cat-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(15,42,36,.94) 6%,rgba(15,42,36,.78) 52%,rgba(15,42,36,.5) 100%)}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:36px 36px;
}
.cat-hero .container{position:relative;z-index:2}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.16em;
  color:var(--ink);background:var(--lime);border-radius:999px;padding:6px 14px;font-weight:700;margin-bottom:20px;
}
.cat-hero h1{color:#fff;max-width:900px;margin-bottom:16px}
.cat-hero .hero-sub{font-size:clamp(15px,1.6vw,18px);color:rgba(255,255,255,.82);max-width:720px;line-height:1.8}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0 30px}
.hero-points span{
  font-size:13px;color:rgba(255,255,255,.86);border:1px solid rgba(255,255,255,.24);
  border-radius:999px;padding:7px 15px;background:rgba(255,255,255,.05);
}
.hero-points span i{color:var(--lime);margin-right:7px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.btn-lime{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:48px;padding:0 28px;border-radius:999px;background:var(--lime);color:var(--ink);
  font-weight:700;border:1px solid var(--lime);cursor:pointer;
  transition:background-color .24s ease,color .24s ease,transform .24s ease;
}
.btn-lime:hover{background:var(--ink);color:var(--lime);transform:translateY(-2px)}
.hero-actions .btn-lime:hover{background:transparent;color:var(--lime)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:48px;padding:0 26px;border-radius:999px;background:transparent;
  border:1px solid rgba(255,255,255,.5);color:#fff;font-weight:600;
  transition:background-color .24s ease,color .24s ease,border-color .24s ease,transform .24s ease;
}
.btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff;transform:translateY(-2px)}
.btn-ghost-dark{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:48px;padding:0 26px;border-radius:999px;background:transparent;
  border:1px solid var(--ink);color:var(--ink);font-weight:600;
  transition:background-color .24s ease,color .24s ease,transform .24s ease;
}
.btn-ghost-dark:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-line{
  display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--ink);
  padding:6px 0;position:relative;
}
.btn-line::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--lime);transition:width .24s ease}
.btn-line:hover::after{width:100%}
.btn-line i{transition:transform .24s ease}
.btn-line:hover i{transform:translateX(4px)}

/* ---------- 主体布局 ---------- */
.cat-body{padding:56px 0 72px;background:var(--sand)}
@media (min-width:992px){.cat-body{padding:80px 0 96px}}
.cat-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:992px){.cat-grid{grid-template-columns:250px minmax(0,1fr);gap:52px;align-items:start}}

/* 左侧锚点 */
.anchor-nav{position:static}
@media (min-width:992px){.anchor-nav{position:sticky;top:calc(var(--nav-h) + 20px)}}
.anchor-nav .anchor-title{display:none}
@media (min-width:992px){
  .anchor-nav .anchor-title{display:block;font-size:12px;letter-spacing:.16em;color:var(--muted);margin:0 0 12px 12px;font-weight:700}
  .anchor-nav .anchor-inner{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:10px}
}
.anchor-inner{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;-webkit-overflow-scrolling:touch}
.anchor-inner::-webkit-scrollbar{height:4px}
.anchor-inner::-webkit-scrollbar-thumb{background:#D9D4C7;border-radius:4px}
@media (min-width:992px){.anchor-inner{display:block;overflow:visible;padding:10px;scrollbar-width:none}}
.anchor-link{
  display:block;white-space:nowrap;font-size:14px;color:var(--ink-2);
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 16px;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
@media (min-width:992px){
  .anchor-link{border:0;border-radius:var(--radius-sm);padding:10px 12px;background:transparent;white-space:normal;font-size:14.5px}
}
.anchor-link:hover{background:var(--sand);color:var(--ink)}
.anchor-link.is-active{background:var(--ink);color:var(--lime);border-color:var(--ink)}
@media (min-width:992px){.anchor-link.is-active{background:var(--ink-2);color:#fff}}

/* 分节 */
.cat-section{margin-bottom:56px;scroll-margin-top:96px}
@media (min-width:992px){.cat-section{margin-bottom:72px}}
.section-head{margin-bottom:24px}
.section-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;
  letter-spacing:.16em;color:var(--ink-3);margin-bottom:12px;
}
.section-eyebrow::before{content:"";width:22px;height:3px;background:var(--lime);border-radius:2px}
.section-head h2{margin-bottom:10px}
.section-head p{color:var(--muted);max-width:760px;margin:0;font-size:15.5px}
.lead-text{max-width:800px;color:var(--text);font-size:16.5px}

/* 卡片 */
.card-x{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;height:100%;
  display:flex;flex-direction:column;
}
.card-x:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#DCD6C8}
.card-media{position:relative;overflow:hidden;background:#EDE9DE}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card-x:hover .card-media img{transform:scale(1.03)}
.card-media::after{content:"";position:absolute;inset:0;background:rgba(15,42,36,.08)}
.card-body-x{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body-x h3{font-size:19px}
.card-body-x p{color:var(--muted);font-size:15px;margin:0}
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;letter-spacing:.04em;
  background:var(--sand);color:var(--ink-2);border-radius:999px;padding:5px 12px;width:max-content;
}
.badge-new{background:rgba(224,98,60,.12);color:var(--clay)}

/* 入口方式网格 */
.entry-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:768px){.entry-grid{grid-template-columns:1fr 1fr}}
@media (min-width:992px){.entry-grid{grid-template-columns:1fr 1fr}}
.entry-wide{grid-column:1/-1}
@media (min-width:992px){
  .entry-wide{display:grid;grid-template-columns:1.05fr 1fr;align-items:stretch}
  .entry-wide .card-media{height:100%;min-height:260px;aspect-ratio:auto}
}
@media (max-width:991px){.entry-wide .card-media{aspect-ratio:16/9}}
.entry-grid .card-media{aspect-ratio:16/9}
.entry-wide .card-body-x{justify-content:center;padding:28px 30px}
.entry-wide .card-body-x h3{font-size:23px}
.kv-list{list-style:none;margin:6px 0 0;padding:0;display:grid;gap:8px}
.kv-list li{font-size:14.5px;color:var(--muted);display:flex;gap:10px;align-items:flex-start}
.kv-list li i{color:var(--ink-3);margin-top:6px;font-size:12px}

/* 流程 */
.flow-list{border-top:1px solid var(--line)}
.flow-row{
  display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:flex-start;
  padding:24px 0;border-bottom:1px solid var(--line);
}
@media (min-width:768px){.flow-row{gap:30px;padding:28px 0}}
.flow-num{
  font-size:clamp(38px,5vw,54px);font-weight:900;line-height:.95;letter-spacing:-.05em;
  font-variant-numeric:tabular-nums;color:transparent;-webkit-text-stroke:1.6px var(--ink);
  min-width:70px;
}
@media (min-width:768px){.flow-num{min-width:96px}}
.flow-body h3{font-size:19px;margin-bottom:6px}
.flow-body p{color:var(--muted);font-size:15.5px;margin:0}
.flow-body .flow-meta{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--ink-3);margin-top:10px;font-weight:600}
.flow-body .flow-meta i{color:var(--lime);-webkit-text-stroke:0}

/* 双列信息卡 */
.duo{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:768px){.duo{grid-template-columns:1fr 1fr}}
.info-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;height:100%}
.info-card .info-head{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.info-icon{
  width:44px;height:44px;border-radius:12px;background:var(--sand);display:grid;place-items:center;
  color:var(--ink);font-size:17px;flex:none;
}
.info-card h3{font-size:18px}
.info-card ul{list-style:none;margin:0;padding:0;display:grid;gap:11px}
.info-card ul li{font-size:15px;color:var(--muted);padding-left:22px;position:relative}
.info-card ul li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:3px;background:var(--lime);
}

/* 清单 */
.check-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;
}
.check-panel h3{font-size:19px;margin-bottom:6px}
.check-panel .check-hint{font-size:14px;color:var(--muted);margin-bottom:18px}
.check-list{list-style:none;margin:0;padding:0}
.check-list li{
  display:flex;gap:14px;align-items:flex-start;padding:14px 0;border-top:1px solid var(--line);
  font-size:15.5px;color:var(--ink-2);
}
.check-list li:first-child{border-top:0;padding-top:0}
.check-list li i{
  width:22px;height:22px;border-radius:6px;background:var(--lime);color:var(--ink);
  display:grid;place-items:center;font-size:11px;flex:none;margin-top:6px;
}
.check-list li span small{display:block;color:var(--muted);font-size:14px;font-weight:400}

/* 结论卡 */
.conclusion{
  background:var(--ink);color:rgba(255,255,255,.82);border-radius:var(--radius);
  padding:30px 28px;position:relative;overflow:hidden;
}
.conclusion::after{
  content:"";position:absolute;top:-40px;right:-40px;width:160px;height:160px;border-radius:50%;
  background:rgba(198,242,78,.12);
}
.conclusion h3{color:#fff;font-size:20px;margin-bottom:10px}
.conclusion p{margin:0;position:relative;z-index:1;font-size:15.5px}
.conclusion .concl-actions{margin-top:20px;display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:1}
.conclusion .btn-ghost:hover{background:var(--lime);color:var(--ink);border-color:var(--lime)}

/* FAQ */
.faq-list{display:grid;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:border-color .24s ease,box-shadow .24s ease}
.faq-item:hover{border-color:#DCD6C8}
.faq-item.is-open{box-shadow:var(--shadow-1);border-color:#DCD6C8}
.faq-q{
  width:100%;background:none;border:0;text-align:left;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;font-size:17px;font-weight:700;color:var(--ink);line-height:1.55;position:relative;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;background:var(--lime);
  transform:scaleY(0);transform-origin:center;transition:transform .24s ease;border-radius:2px;
}
.faq-item.is-open .faq-q::before{transform:scaleY(1)}
.faq-icon{position:relative;width:16px;height:16px;flex:none;color:var(--ink)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:currentColor;border-radius:2px;transition:transform .24s ease,opacity .24s ease}
.faq-icon::before{left:0;top:7px;width:16px;height:2px}
.faq-icon::after{top:0;left:7px;width:2px;height:16px}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-a-inner{padding:0 22px 22px;font-size:15px;color:var(--muted);border-top:1px solid var(--line);padding-top:16px;margin:0 22px 22px;padding-left:0;padding-right:0}

/* CTA 带 */
.cta-band{
  background:var(--ink);border-radius:16px;padding:36px 28px;position:relative;overflow:hidden;
  display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between;
}
@media (min-width:768px){.cta-band{padding:44px 40px}}
.cta-band::before{
  content:"";position:absolute;inset:0;opacity:.55;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:34px 34px;
}
.cta-copy{position:relative;z-index:1;max-width:640px}
.cta-copy h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:8px}
.cta-copy p{color:rgba(255,255,255,.76);margin:0;font-size:15.5px}
.cta-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:14px}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(255,255,255,.7);padding:64px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.1fr}}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;margin-bottom:14px}
.footer-brand .brand-mark{background:var(--lime);color:var(--ink)}
.footer-desc{font-size:14.5px;line-height:1.85;max-width:330px;margin:0}
.footer-col h4{
  font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--lime);
  margin:0 0 16px;
}
.footer-links{display:grid;gap:2px}
.footer-links a{display:block;padding:7px 0;color:rgba(255,255,255,.7);font-size:14.5px}
.footer-links a:hover{color:var(--lime);text-decoration:underline;text-underline-offset:3px}
.footer-contact{display:grid;gap:9px;font-size:14.5px}
.footer-contact div strong{color:#fff;font-weight:600;margin-right:8px}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.55);
}

/* 入场动效 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s cubic-bezier(.2,.7,.2,1),transform .4s cubic-bezier(.2,.7,.2,1)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  *{transition-duration:.01ms!important;animation-duration:.01ms!important}
}
@media (max-width:767px){
  .hero-actions .btn-lime,.hero-actions .btn-ghost{width:100%}
  .cta-actions{width:100%}
  .cta-actions .btn-lime,.cta-actions .btn-ghost{width:100%}
}
@media (max-width:479px){
  :root{--nav-h:56px}
  .brand{font-size:15.5px}
  .brand .brand-mark{width:30px;height:30px;font-size:13px;border-radius:9px}
  .cat-hero{padding:48px 0 44px}
}

/* roulang page: category3 */
:root{
  --ink:#0F2A24;
  --ink-2:#1B3B33;
  --ink-3:#2E564B;
  --lime:#C6F24E;
  --orange:#E0623C;
  --bg:#F7F5EF;
  --card:#FFFFFF;
  --line:#E6E2D8;
  --text:#2B2B2B;
  --muted:#6E6A61;
  --radius:12px;
  --radius-sm:8px;
  --shadow-1:0 1px 2px rgba(15,42,36,.06);
  --shadow-2:0 12px 32px -16px rgba(15,42,36,.22);
  --nav-h:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:4px}
::selection{background:var(--lime);color:var(--ink)}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(247,245,239,0);
  border-bottom:1px solid transparent;
  transition:background .3s ease,border-color .3s ease,backdrop-filter .3s ease;
}
.site-header.is-scrolled{
  background:rgba(247,245,239,.92);
  backdrop-filter:blur(12px) saturate(160%);
  -webkit-backdrop-filter:blur(12px) saturate(160%);
  border-bottom-color:var(--line);
  box-shadow:var(--shadow-1);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:var(--nav-h)}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:var(--ink);letter-spacing:-.02em;white-space:nowrap}
.brand-mark{
  width:30px;height:30px;border-radius:9px;background:var(--ink);color:var(--lime);
  display:grid;place-items:center;font-size:15px;font-weight:800;flex:none;
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nv-link{
  position:relative;padding:9px 13px;font-size:15px;color:var(--ink-2);
  border-radius:999px;transition:color .2s ease,background .2s ease;white-space:nowrap;
}
.nv-link::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;
  transition:transform .24s cubic-bezier(.2,.7,.2,1);
}
.nv-link:hover{color:var(--ink);background:rgba(15,42,36,.05)}
.nv-link:hover::after,.nv-link.is-active::after{transform:scaleX(1)}
.nv-link.is-active{color:var(--ink);font-weight:700}
.header-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;
  border-radius:12px;color:var(--ink);align-items:center;justify-content:center;
  transition:background .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:var(--ink);color:var(--lime);border-color:var(--ink)}

/* ============ BUTTONS ============ */
.btn-main,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;font-weight:700;font-size:15px;
  transition:background .24s ease,color .24s ease,border-color .24s ease,transform .24s ease,box-shadow .24s ease;
  cursor:pointer;border:1px solid transparent;
}
.btn-main{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.btn-main:hover{background:var(--ink);color:var(--lime);border-color:var(--ink);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--ink);border-color:#fff}
.btn-light:hover{background:var(--lime);border-color:var(--lime);color:var(--ink);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}

/* ============ HERO ============ */
.page-hero{
  position:relative;overflow:hidden;background:var(--ink);color:#fff;
  min-height:320px;display:flex;align-items:center;padding:64px 0;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:url(/assets/images/backpic/back-2.webp) center/cover no-repeat;
  opacity:.34;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(15,42,36,.95) 0%,rgba(15,42,36,.78) 52%,rgba(15,42,36,.42) 100%);
}
.hero-inner{position:relative;z-index:2;max-width:840px}
.crumb{display:flex;align-items:center;gap:9px;font-size:13px;color:rgba(255,255,255,.68);margin-bottom:20px;letter-spacing:.02em}
.crumb a{transition:color .2s ease}
.crumb a:hover{color:var(--lime);text-decoration:underline}
.crumb i{font-size:10px;opacity:.7}
.hero-title{
  font-size:clamp(34px,4.6vw,58px);font-weight:900;line-height:1.16;
  letter-spacing:-.035em;color:#fff;margin-bottom:18px;
}
.hero-title em{font-style:normal;color:var(--lime)}
.hero-sub{font-size:17px;line-height:1.8;color:rgba(255,255,255,.82);max-width:640px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.hero-meta{display:flex;flex-wrap:wrap;gap:22px;font-size:13px;color:rgba(255,255,255,.72)}
.hero-meta span{display:inline-flex;align-items:center;gap:8px}
.hero-meta i{color:var(--lime)}

/* ============ SECTIONS ============ */
.section{padding:112px 0}
.section--white{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--tight{padding:88px 0}
.section-head{max-width:780px;margin-bottom:56px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;
  letter-spacing:.14em;color:var(--ink-3);padding:6px 13px;border-radius:999px;
  border:1px solid var(--line);background:#fff;
}
.eyebrow i{color:var(--lime);font-size:11px}
.sec-title{
  font-size:clamp(26px,3vw,40px);font-weight:800;color:var(--ink);
  letter-spacing:-.03em;line-height:1.22;margin:18px 0 14px;
}
.sec-desc{font-size:16px;color:var(--muted);max-width:760px}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;flex-wrap:wrap}

/* ============ RANK LIST ============ */
.rank-list{border-top:1px solid var(--line)}
.rank-row{
  display:grid;grid-template-columns:96px 1fr 210px;gap:28px;align-items:center;
  padding:26px 10px;border-bottom:1px solid var(--line);
  transition:background .24s ease,padding .24s ease;
}
.rank-row:hover{background:#fff;padding-left:18px;padding-right:18px}
.rank-no{
  font-size:clamp(34px,4vw,46px);font-weight:800;line-height:1;
  font-variant-numeric:tabular-nums;letter-spacing:-.04em;
  color:transparent;-webkit-text-stroke:1.5px var(--ink-3);
  transition:color .24s ease,-webkit-text-stroke-color .24s ease;
}
.rank-row.is-top .rank-no{color:var(--ink);-webkit-text-stroke:1.5px var(--ink)}
.rank-row:hover .rank-no{-webkit-text-stroke-color:var(--ink)}
.rank-main h3{font-size:19px;font-weight:700;color:var(--ink);letter-spacing:-.02em;margin-bottom:10px;line-height:1.5}
.rank-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.tag{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;letter-spacing:.04em;
  padding:4px 11px;border-radius:999px;background:var(--bg);color:var(--ink);
  border:1px solid var(--line);
}
.tag-hot{background:rgba(224,98,60,.12);color:#B8431F;border-color:rgba(224,98,60,.3)}
.tag-lime{background:rgba(198,242,78,.28);color:var(--ink);border-color:rgba(198,242,78,.6)}
.rank-main p{font-size:15px;color:var(--muted);margin:0}
.rank-meta{text-align:right}
.rank-time{display:block;font-size:13px;color:var(--muted);margin-bottom:10px;font-variant-numeric:tabular-nums}
.link-arrow{
  display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:700;
  color:var(--ink);position:relative;padding-bottom:2px;
}
.link-arrow::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--lime);
  transform:scaleX(0);transform-origin:left;transition:transform .24s cubic-bezier(.2,.7,.2,1);
}
.link-arrow:hover::after{transform:scaleX(1)}

/* ============ TIMELINE ============ */
.timeline{max-width:900px}
.tl-item{position:relative;display:grid;grid-template-columns:auto 1fr;gap:26px;padding-bottom:44px}
.tl-item:last-child{padding-bottom:0}
.tl-item:not(:last-child)::before{
  content:"";position:absolute;left:25px;top:54px;bottom:6px;width:1px;background:var(--line);
}
.tl-dot{
  width:52px;height:52px;border-radius:50%;background:#fff;border:1px solid var(--line);
  display:grid;place-items:center;font-weight:800;font-size:16px;color:var(--ink);
  font-variant-numeric:tabular-nums;position:relative;z-index:1;letter-spacing:-.02em;
}
.tl-body h3{font-size:21px;font-weight:700;color:var(--ink);letter-spacing:-.02em;margin-bottom:10px}
.tl-body p{font-size:15.5px;color:var(--muted);margin-bottom:14px;max-width:720px}
.tl-body ul{list-style:none;display:flex;flex-wrap:wrap;gap:10px}
.tl-body ul li{
  font-size:13px;color:var(--ink-2);background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:6px 14px;
}

/* ============ SPLIT CARDS ============ */
.split-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.info-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:34px 32px;transition:box-shadow .24s ease,transform .24s ease,border-color .24s ease;
}
.info-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px)}
.info-card.is-accent{border-color:var(--ink);border-width:1px;background:linear-gradient(180deg,#fff 0%,#FBFBF6 100%)}
.info-head{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.info-icon{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:var(--bg);color:var(--ink);border:1px solid var(--line);font-size:16px;flex:none;
}
.info-card.is-accent .info-icon{background:var(--ink);color:var(--lime);border-color:var(--ink)}
.info-card h3{font-size:21px;font-weight:800;color:var(--ink);letter-spacing:-.02em}
.info-card .info-lead{font-size:14px;color:var(--muted);margin-bottom:18px}
.check-list{list-style:none}
.check-list li{position:relative;padding-left:28px;font-size:15px;margin-bottom:14px;color:var(--text)}
.check-list li:last-child{margin-bottom:0}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;width:12px;height:12px;border-radius:4px;background:var(--lime);
}
.check-list.is-plain li::before{background:var(--ink-3);opacity:.5;border-radius:50%}

/* ============ STATS ============ */
.stats-wrap{display:grid;grid-template-columns:1.45fr 1fr;gap:56px;align-items:center}
.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;margin-bottom:32px}
.stat-num{
  font-size:clamp(48px,6vw,84px);font-weight:800;color:var(--ink);line-height:1;
  letter-spacing:-.045em;font-variant-numeric:tabular-nums;
}
.stat-num i{font-style:normal;color:var(--lime);-webkit-text-stroke:0}
.stat-label{font-size:14px;color:var(--muted);margin-top:12px;line-height:1.75}
.stat-note{font-size:15.5px;color:var(--muted);max-width:620px;border-top:1px solid var(--line);padding-top:24px}
.media-card{position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:3/4;background:#EDE9DF}
.media-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.2,.7,.2,1)}
.media-card:hover img{transform:scale(1.03)}
.media-card::after{content:"";position:absolute;inset:0;background:rgba(15,42,36,.14)}
.media-tag{
  position:absolute;left:16px;top:16px;z-index:2;font-size:12px;letter-spacing:.06em;
  background:var(--lime);color:var(--ink);padding:6px 13px;border-radius:999px;font-weight:700;
}
.media-cap{
  position:absolute;left:16px;right:16px;bottom:16px;z-index:2;color:#fff;
  font-size:14px;line-height:1.7;text-shadow:0 1px 8px rgba(0,0,0,.4);
}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px}
.faq-acc .accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  margin-bottom:14px;overflow:hidden;transition:border-color .24s ease,box-shadow .24s ease;
}
.faq-acc .accordion-item:hover{box-shadow:var(--shadow-1)}
.faq-acc .accordion-item:has(.accordion-button:not(.collapsed)){
  border-color:var(--line);
  box-shadow:inset 3px 0 0 var(--lime),var(--shadow-1);
}
.faq-acc .accordion-button{
  width:100%;background:#fff;color:var(--ink);font-size:17px;font-weight:700;
  letter-spacing:-.01em;padding:22px 62px 22px 24px;border:0;box-shadow:none;
  position:relative;line-height:1.6;text-align:left;transition:color .2s ease;
}
.faq-acc .accordion-button:not(.collapsed){color:var(--ink);background:#fff;box-shadow:none}
.faq-acc .accordion-button:focus{box-shadow:none;outline:none}
.faq-acc .accordion-button:focus-visible{outline:2px solid var(--lime);outline-offset:-3px}
.faq-acc .accordion-button::after{
  content:"";position:absolute;right:30px;top:50%;width:2px;height:15px;background:var(--ink);
  transform:translateY(-50%);background-image:none;transition:transform .24s ease;display:block;
}
.faq-acc .accordion-button::before{
  content:"";position:absolute;right:23.5px;top:50%;width:15px;height:2px;background:var(--ink);
  transform:translateY(-50%);transition:transform .24s ease;
}
.faq-acc .accordion-button:not(.collapsed)::after{transform:translateY(-50%) scaleY(0)}
.faq-acc .accordion-body{
  padding:0 62px 26px 24px;font-size:15px;line-height:1.85;color:var(--muted);
}

/* ============ CTA ============ */
.cta-band{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:76px 0}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:42px 42px;
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(24px,2.6vw,34px);font-weight:800;letter-spacing:-.03em;margin-bottom:10px}
.cta-inner p{font-size:15px;color:rgba(255,255,255,.72);max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ DRAWER ============ */
.site-drawer{background:var(--ink);color:#fff;width:min(340px,86vw);border-left:0!important}
.site-drawer .offcanvas-header{
  padding:16px 20px;border-bottom:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;
}
.drawer-title{font-size:16px;font-weight:800;color:#fff;letter-spacing:-.02em}
.drawer-close{
  width:38px;height:38px;border-radius:10px;background:transparent;
  border:1px solid rgba(255,255,255,.25);color:#fff;display:grid;place-items:center;
  transition:background .2s ease,color .2s ease;
}
.drawer-close:hover{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.site-drawer .offcanvas-body{padding:18px 20px 28px}
.drawer-links{display:flex;flex-direction:column;margin-bottom:24px}
.drawer-link{
  padding:15px 12px;font-size:15px;color:rgba(255,255,255,.82);
  border-bottom:1px solid rgba(255,255,255,.08);border-radius:8px;
  transition:color .2s ease,background .2s ease;
}
.drawer-link:hover{color:var(--lime);background:rgba(255,255,255,.05)}
.drawer-link.is-active{color:var(--lime);font-weight:700}

/* ============ FOOTER ============ */
.site-footer{background:var(--ink);color:#fff;padding:76px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:44px;padding-bottom:52px}
.footer-col h4{font-size:12px;letter-spacing:.14em;color:var(--lime);font-weight:700;margin-bottom:20px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;letter-spacing:-.02em;margin-bottom:16px}
.footer-brand .brand-mark{background:var(--lime);color:var(--ink)}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.7);max-width:340px}
.footer-links{display:flex;flex-direction:column;gap:13px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.7);transition:color .2s ease}
.footer-links a:hover{color:var(--lime);text-decoration:underline}
.footer-contact div{font-size:14px;color:rgba(255,255,255,.7);margin-bottom:13px}
.footer-contact strong{color:#fff;font-weight:600;margin-right:8px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ FLOAT BAR ============ */
.float-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1020;display:none;gap:10px;
  padding:10px 16px;background:rgba(15,42,36,.97);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-top:1px solid rgba(255,255,255,.1);
}
.float-bar .btn-main,.float-bar .btn-ghost{flex:1;height:46px;font-size:14px}
.float-bar .btn-ghost{color:#fff;border-color:rgba(255,255,255,.35)}

/* ============ REVEAL ============ */
.js-reveal .reveal{opacity:0;transform:translateY(12px)}
.js-reveal .reveal.is-in{
  opacity:1;transform:none;
  transition:opacity .4s cubic-bezier(.2,.7,.2,1),transform .4s cubic-bezier(.2,.7,.2,1);
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .js-reveal .reveal{opacity:1!important;transform:none!important}
  html{scroll-behavior:auto}
}

/* ============ RESPONSIVE ============ */
@media (max-width:1199.98px){
  .rank-row{grid-template-columns:80px 1fr 180px;gap:22px}
  .stats-wrap{gap:40px}
}
@media (max-width:991.98px){
  :root{--nav-h:60px}
  .nav-links{display:none}
  .header-actions .btn-main.btn-sm{display:none}
  .nav-toggle{display:inline-flex}
  .section{padding:80px 0}
  .section--tight{padding:72px 0}
  .page-hero{padding:56px 0;min-height:280px}
  .rank-row{grid-template-columns:64px 1fr;gap:18px}
  .rank-meta{grid-column:2;text-align:left;display:flex;align-items:center;gap:20px}
  .rank-time{margin:0}
  .stats-wrap{grid-template-columns:1fr}
  .media-card{aspect-ratio:16/9;max-width:560px}
  .split-cards{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:36px}
  .stat-grid{gap:24px}
}
@media (max-width:767.98px){
  :root{--nav-h:56px}
  .container{padding:0 20px}
  .section{padding:56px 0}
  .section--tight{padding:56px 0}
  .section-head{margin-bottom:36px}
  .page-hero{min-height:0;padding:44px 0}
  .hero-sub{font-size:15.5px}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%}
  .hero-meta{gap:14px;font-size:12.5px}
  .rank-row{grid-template-columns:1fr;gap:10px;padding:22px 4px}
  .rank-row:hover{padding-left:4px;padding-right:4px}
  .rank-no{font-size:32px}
  .rank-meta{grid-column:1;justify-content:space-between}
  .tl-item{gap:18px;padding-bottom:34px}
  .tl-item:not(:last-child)::before{left:21px;top:46px}
  .tl-dot{width:44px;height:44px;font-size:15px}
  .info-card{padding:26px 22px}
  .stat-grid{grid-template-columns:1fr;gap:28px}
  .stat-num{font-size:56px}
  .faq-acc .accordion-button{font-size:16px;padding:18px 54px 18px 18px}
  .faq-acc .accordion-body{padding:0 22px 22px 18px}
  .faq-acc .accordion-button::after{right:24px}
  .faq-acc .accordion-button::before{right:17.5px}
  .cta-band{padding:56px 0}
  .cta-actions{width:100%}
  .cta-actions .btn-main,.cta-actions .btn-ghost{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:36px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;padding-bottom:76px}
  .float-bar{display:flex}
}
@media (max-width:479.98px){
  .brand-text{font-size:15px}
  .hero-title{font-size:32px}
  .sec-title{font-size:25px}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --ink:#0F2A24;
  --ink-2:#1B3B33;
  --ink-3:#2E564B;
  --lime:#C6F24E;
  --lime-soft:rgba(198,242,78,.12);
  --orange:#E0623C;
  --sand:#F7F5EF;
  --card:#FFFFFF;
  --line:#E6E2D8;
  --text:#2B2B2B;
  --muted:#6E6A61;
  --r-lg:12px;
  --r-sm:8px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(15,42,36,.06);
  --sh-2:0 12px 32px -16px rgba(15,42,36,.22);
  --container:1240px;
  --pad-y:112px;
  --ease:cubic-bezier(.2,.7,.2,1);
}
/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--sand);
  color:var(--text);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;letter-spacing:-.03em;line-height:1.22}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}
::selection{background:var(--lime);color:var(--ink)}
/* ============ 容器与板块 ============ */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.section{padding:var(--pad-y) 0}
.section--white{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--sand{background:var(--sand)}
.sec-head{max-width:780px;margin-bottom:52px}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:12px;font-weight:700;letter-spacing:.18em;color:var(--ink-3)}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--lime);display:block;border-radius:2px}
.sec-title{font-size:clamp(26px,3vw,40px);margin-top:16px}
.sec-sub{margin-top:16px;color:var(--muted);font-size:16px;max-width:760px;line-height:1.85}
/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;height:48px;padding:0 26px;border-radius:var(--r-pill);font-size:15px;font-weight:700;letter-spacing:.01em;border:1px solid transparent;transition:transform .24s var(--ease),background-color .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);white-space:nowrap;cursor:pointer}
.btn i{font-size:13px}
.btn-lime{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.btn-lime:hover{background:var(--ink);color:var(--lime);border-color:var(--ink);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-outline{border-color:rgba(255,255,255,.5);color:#fff}
.btn-outline:hover{background:#fff;color:var(--ink);border-color:#fff;transform:translateY(-2px)}
.btn-outline-dark{border-color:var(--ink);color:var(--ink)}
.btn-outline-dark:hover{background:var(--ink);color:var(--lime);transform:translateY(-2px)}
.btn-link{display:inline-flex;align-items:center;gap:8px;height:auto;padding:2px 0;font-weight:700;color:var(--ink);position:relative;font-size:15px}
.btn-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--ink);transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease)}
.btn-link:hover::after{transform:scaleX(1)}
.btn-link:hover{color:var(--ink-3)}
.btn-link:hover::after{background:var(--lime)}
/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:1030;height:64px;background:rgba(247,245,239,.72);border-bottom:1px solid var(--line);transition:background-color .3s var(--ease),box-shadow .3s var(--ease)}
.site-header.is-scrolled{background:rgba(247,245,239,.94);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);box-shadow:var(--sh-1)}
.header-inner{display:flex;align-items:center;height:64px;gap:6px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.02em}
.brand-mark{width:28px;height:28px;border-radius:8px;background:var(--ink);color:var(--lime);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;flex-shrink:0}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:22px}
.nv-link{padding:9px 14px;border-radius:var(--r-pill);font-size:14px;font-weight:600;color:var(--ink-3);transition:background-color .22s var(--ease),color .22s var(--ease);white-space:nowrap}
.nv-link:hover{background:rgba(15,42,36,.07);color:var(--ink)}
.nv-link.is-active{background:var(--ink);color:#fff}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.header-actions .btn{height:40px;padding:0 20px;font-size:14px}
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);background:var(--card);flex-direction:column;align-items:center;justify-content:center;gap:5px;flex-shrink:0;transition:border-color .22s var(--ease)}
.nav-toggle:hover{border-color:var(--ink-3)}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px}
/* ============ 移动端抽屉 ============ */
.mobile-nav{background:var(--ink);color:#fff;width:308px}
.mobile-nav .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.1);padding:20px 22px}
.mobile-brand{font-size:16px;font-weight:800;color:#fff;letter-spacing:-.02em}
.mobile-nav .btn-close{filter:invert(1) grayscale(1) brightness(2);opacity:.75}
.mobile-nav .offcanvas-body{display:flex;flex-direction:column;gap:4px;padding:16px 22px 28px}
.m-link{padding:14px 12px;border-radius:10px;font-size:15px;font-weight:600;color:rgba(255,255,255,.78);border-bottom:1px solid rgba(255,255,255,.07);transition:background-color .22s var(--ease),color .22s var(--ease)}
.m-link:hover{background:rgba(255,255,255,.06);color:var(--lime)}
.m-link.is-active{color:var(--lime)}
.m-cta{margin-top:22px;width:100%}
/* ============ Hero 横幅 ============ */
.cat-hero{position:relative;background-color:var(--ink);background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;color:#fff;overflow:hidden;min-height:320px;display:flex;align-items:center}
.cat-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(15,42,36,.95) 0%,rgba(15,42,36,.84) 46%,rgba(15,42,36,.48) 100%)}
.cat-hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:34px 34px;opacity:.55}
.cat-hero .container{position:relative;z-index:2;padding-top:64px;padding-bottom:64px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.6);margin-bottom:24px}
.crumbs a{padding-bottom:1px;border-bottom:1px solid transparent;transition:color .22s var(--ease),border-color .22s var(--ease)}
.crumbs a:hover{color:var(--lime);border-bottom-color:var(--lime)}
.crumbs .sep{opacity:.5}
.hero-tag{display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:var(--r-pill);background:rgba(198,242,78,.14);border:1px solid rgba(198,242,78,.4);color:var(--lime);font-size:12px;font-weight:700;letter-spacing:.1em;margin-bottom:22px}
.cat-hero h1{color:#fff;font-size:clamp(28px,4vw,46px);letter-spacing:-.035em;max-width:820px}
.hero-sub{margin-top:20px;font-size:clamp(15px,1.4vw,18px);color:rgba(255,255,255,.78);max-width:640px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-points{display:flex;flex-wrap:wrap;gap:26px;margin-top:34px;padding-top:26px;border-top:1px solid rgba(255,255,255,.14)}
.hero-points li{display:flex;align-items:center;gap:9px;font-size:14px;color:rgba(255,255,255,.82);font-variant-numeric:tabular-nums}
.hero-points i{color:var(--lime);font-size:13px}
/* ============ 方案标签（静态） ============ */
.plan-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.plan-tab{display:inline-flex;align-items:center;gap:10px;height:44px;padding:0 20px;border-radius:var(--r-pill);border:1px solid var(--line);background:var(--card);font-size:14px;font-weight:600;color:var(--ink-3);transition:border-color .22s var(--ease),color .22s var(--ease),background-color .22s var(--ease)}
.plan-tab .dot{width:8px;height:8px;border-radius:50%;background:var(--line);transition:background-color .22s var(--ease)}
.plan-tab:hover{border-color:var(--ink-3);color:var(--ink)}
.plan-tab.is-on{background:var(--ink);border-color:var(--ink);color:#fff}
.plan-tab.is-on .dot{background:var(--lime)}
/* ============ 对比表 ============ */
.compare-table{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.ct-row{display:grid;grid-template-columns:200px repeat(3,1fr);border-bottom:1px solid var(--line);transition:background-color .22s var(--ease)}
.ct-row:last-child{border-bottom:0}
.ct-row:not(.ct-head):hover{background:rgba(198,242,78,.08)}
.ct-head{background:var(--sand)}
.ct-th{padding:22px 24px;font-size:15px;font-weight:800;color:var(--ink);display:flex;flex-direction:column;gap:5px;letter-spacing:-.02em}
.ct-th+.ct-th,.ct-val+.ct-val{border-left:1px solid var(--line)}
.plan-num{font-size:11px;font-weight:700;letter-spacing:.18em;color:var(--muted);font-variant-numeric:tabular-nums}
.ct-key{padding:20px 24px;font-size:14px;font-weight:700;color:var(--ink-3);background:rgba(15,42,36,.025);display:flex;align-items:center}
.ct-val{padding:20px 24px;font-size:15px;color:var(--text);display:flex;align-items:center}
.ct-val .v{display:inline-flex;align-items:baseline;gap:6px;font-variant-numeric:tabular-nums}
.ct-val strong{font-size:24px;font-weight:800;color:var(--ink);letter-spacing:-.03em;line-height:1}
.ct-val .v em{font-style:normal;font-size:14px;color:var(--muted)}
/* ============ 信息卡 ============ */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.info-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:36px 34px;transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease)}
.info-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#dcd7ca}
.info-card h3{font-size:21px}
.ic-sub{color:var(--muted);font-size:14px;margin-top:10px}
.check-list{margin-top:22px}
.check-list li{position:relative;padding:11px 0 11px 32px;font-size:15px;border-bottom:1px dashed var(--line)}
.check-list li:last-child{border-bottom:0;padding-bottom:0}
.check-list li::before{content:"";position:absolute;left:2px;top:19px;width:13px;height:7px;border-left:2px solid var(--ink-3);border-bottom:2px solid var(--ink-3);transform:rotate(-45deg);border-radius:1px}
.check-list li b{color:var(--ink);font-weight:700}
/* ============ 场景图文 ============ */
.scene{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.scene-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;display:flex;flex-direction:column;transition:transform .28s var(--ease),box-shadow .28s var(--ease)}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.scene-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden}
.scene-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.scene-card:hover .thumb img{transform:scale(1.03)}
.scene-card .thumb::after{content:"";position:absolute;inset:0;background:rgba(15,42,36,.08)}
.scene-body{padding:28px 30px 32px;display:flex;flex-direction:column;gap:14px;flex:1}
.scene-body h3{font-size:20px}
.scene-body p{font-size:15px;color:var(--muted)}
.scene-body .tag{align-self:flex-start}
.tag{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);background:var(--sand);border:1px solid var(--line);color:var(--ink-3);font-size:12px;font-weight:700;letter-spacing:.06em}
.tag--new{background:rgba(224,98,60,.1);border-color:rgba(224,98,60,.28);color:var(--orange)}
/* ============ 流程时间轴 ============ */
.flow{max-width:900px}
.flow-item{display:grid;grid-template-columns:56px 1fr;gap:26px;position:relative;padding-bottom:38px}
.flow-item:last-child{padding-bottom:0}
.flow-item::before{content:"";position:absolute;left:27px;top:60px;bottom:6px;width:1px;background:var(--line)}
.flow-item:last-child::before{display:none}
.flow-num{width:56px;height:56px;border-radius:50%;background:var(--card);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums;transition:background-color .26s var(--ease),color .26s var(--ease),border-color .26s var(--ease);position:relative;z-index:2}
.flow-item:hover .flow-num{background:var(--ink);color:var(--lime);border-color:var(--ink)}
.flow-body h3{font-size:19px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.flow-body p{margin-top:9px;font-size:15px;color:var(--muted);max-width:680px}
.flow-body .mini{font-size:13px;color:var(--ink-3);font-weight:600;margin-top:10px;display:inline-flex;align-items:center;gap:7px}
.flow-body .mini i{color:var(--lime);font-size:12px}
/* ============ FAQ ============ */
.faq{max-width:900px}
.faq .accordion-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);margin-bottom:14px;overflow:hidden}
.faq .accordion-item:last-child{margin-bottom:0}
.faq .accordion-button{width:100%;display:flex;align-items:center;gap:18px;padding:22px 24px;font-size:17px;font-weight:700;color:var(--ink);background:transparent;border-radius:0;box-shadow:none;transition:background-color .24s var(--ease),box-shadow .24s var(--ease)}
.faq .accordion-button:not(.collapsed){background:rgba(198,242,78,.1);box-shadow:inset 3px 0 0 var(--lime)}
.faq .accordion-button:focus{box-shadow:inset 3px 0 0 var(--lime);border:0}
.faq .accordion-button:focus-visible{outline:2px solid var(--lime);outline-offset:-2px}
.faq .accordion-button::after{display:none}
.faq .accordion-button>span:first-child{flex:1;text-align:left}
.faq-icon{position:relative;width:20px;height:20px;flex:0 0 20px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--ink);border-radius:2px;transition:transform .24s var(--ease),opacity .24s var(--ease)}
.faq-icon::before{left:1px;right:1px;top:9px;height:2px}
.faq-icon::after{top:1px;bottom:1px;left:9px;width:2px}
.faq .accordion-button:not(.collapsed) .faq-icon::after{transform:scaleY(0);opacity:0}
.faq .accordion-body{padding:0 24px 24px;font-size:15px;color:var(--muted);line-height:1.9;max-width:800px}
/* ============ CTA 带 ============ */
.cta-band{background-color:var(--ink);background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:30px 30px;color:#fff;padding:76px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:38px;flex-wrap:wrap}
.cta-title{color:#fff;font-size:clamp(24px,2.6vw,34px);max-width:620px}
.cta-sub{margin-top:14px;font-size:15px;color:rgba(255,255,255,.72);max-width:600px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.7);padding:76px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1.2fr;gap:44px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:800;letter-spacing:-.02em}
.footer-desc{margin-top:18px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:340px}
.footer-col h4{font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--lime);margin-bottom:18px}
.footer-links a{display:block;padding:7px 0;font-size:14px;color:rgba(255,255,255,.7);transition:color .22s var(--ease)}
.footer-links a:hover{color:var(--lime);text-decoration:underline;text-underline-offset:4px}
.footer-contact div{font-size:14px;padding:6px 0;color:rgba(255,255,255,.7)}
.footer-contact strong{color:#fff;font-weight:600;margin-right:10px}
.footer-bottom{margin-top:52px;padding:22px 0 30px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5)}
/* ============ 入场动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s var(--ease),transform .4s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  *{transition-duration:.01ms!important;animation-duration:.01ms!important}
}
/* ============ 响应式 ============ */
@media(max-width:1199px){
  :root{--pad-y:88px}
  .container{padding:0 28px}
  .nav-links{margin-left:12px}
  .nv-link{padding:9px 11px;font-size:13.5px}
}
@media(max-width:991px){
  :root{--pad-y:72px}
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .header-actions .btn{display:none}
  .cat-hero{min-height:280px}
  .cat-hero .container{padding-top:52px;padding-bottom:52px}
  .two-col,.scene{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media(max-width:860px){
  .compare-table{border-radius:var(--r-lg)}
  .ct-head{display:none}
  .ct-row{grid-template-columns:1fr;padding:6px 20px 14px}
  .ct-row:hover{background:transparent}
  .ct-key{padding:16px 0 8px;background:transparent;border-bottom:1px solid var(--line);font-size:15px;color:var(--ink);display:block}
  .ct-val{padding:11px 0;border-left:0!important;border-bottom:1px dashed var(--line);display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:14px}
  .ct-val:last-child{border-bottom:0}
  .ct-val::before{content:attr(data-plan);color:var(--muted);font-size:13px;font-weight:500;flex-shrink:0}
  .ct-val .v{justify-content:flex-end;text-align:right}
  .ct-val strong{font-size:20px}
}
@media(max-width:767px){
  :root{--pad-y:56px}
  .container{padding:0 20px}
  body{font-size:15.5px}
  .brand{font-size:15px;gap:8px}
  .brand-mark{width:26px;height:26px;font-size:13px}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn{width:100%}
  .hero-points{gap:14px;flex-direction:column;align-items:flex-start}
  .sec-head{margin-bottom:34px}
  .info-card{padding:28px 24px}
  .scene-body{padding:24px 22px 28px}
  .flow-item{grid-template-columns:46px 1fr;gap:18px;padding-bottom:30px}
  .flow-num{width:46px;height:46px;font-size:15px}
  .flow-item::before{left:22px;top:50px}
  .faq .accordion-button{font-size:16px;padding:18px 18px}
  .faq .accordion-body{padding:0 18px 20px}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:26px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:34px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media(max-width:480px){
  .brand-text{max-width:136px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .plan-tab{height:40px;padding:0 16px;font-size:13px}
  .mobile-nav{width:280px}
}