/* roulang page: index */
:root{
  --brand:#FF5A1E;
  --brand-press:#C93A0B;
  --brand-soft:#FFF1E9;
  --lime:#B6E92B;
  --ink:#14171A;
  --ink-2:#23282E;
  --bg:#FBF9F6;
  --bg-2:#F1EEE9;
  --card:#FFFFFF;
  --line:#E6E1DA;
  --t1:#14171A;
  --t2:#5A5F66;
  --t3:#8A8F96;
  --ok:#12A150;
  --warn:#F2B01E;
  --err:#DC2B2B;
  --grad:linear-gradient(118deg,#FF8A2B,#FF5A1E 48%,#D92800);
  --r-card:20px;
  --r-big:28px;
  --r-pill:999px;
  --r-input:12px;
  --r-img:16px;
  --sh1:0 1px 2px rgba(20,23,26,.04),0 8px 24px -12px rgba(20,23,26,.12);
  --sh2:0 24px 48px -24px rgba(255,90,30,.28);
  --sp:24px;
  --nav-h:68px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--t1);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  text-align:left;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-0.01em;line-height:1.15}
p{margin:0}
input,textarea,select{font-family:inherit;font-size:16px}
:focus-visible{outline:3px solid rgba(255,90,30,.35);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
@media (min-width:1440px){.container{max-width:1320px;padding:0 32px}}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.ico{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}
.ico.solid{fill:currentColor;stroke:none}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:var(--r-pill);
  padding:12px 24px;font-size:15px;font-weight:700;line-height:1.2;
  transition:transform .3s ease,background .3s ease,box-shadow .3s ease,color .3s ease,border-color .3s ease;
  cursor:pointer;white-space:nowrap;min-height:44px;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh2)}
.btn-primary:hover{transform:translateY(-2px);background:linear-gradient(118deg,#FF7A17,#EF4A10 48%,#C22300)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--t1);border-color:var(--line)}
.btn-ghost:hover{background:var(--brand-soft);border-color:#FFC9AE;color:var(--brand-press);transform:translateY(-1px)}
.btn-light{background:#fff;color:var(--brand-press);border-color:#fff}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 18px 32px -18px rgba(20,23,26,.4)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-outline-light:hover{background:rgba(255,255,255,.14);transform:translateY(-1px)}
.btn-sm{padding:9px 18px;font-size:14px;min-height:40px}
.btn-block{width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
.icon-btn{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-pill);background:#fff;border:1px solid var(--line);color:var(--t1);
  transition:background .3s ease,color .3s ease,border-color .3s ease,transform .3s ease;
}
.icon-btn:hover{background:var(--brand-soft);color:var(--brand-press);border-color:#FFC9AE;transform:translateY(-1px)}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  height:var(--nav-h);display:flex;align-items:center;
  background:transparent;border-bottom:1px solid transparent;
  transition:background .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled{background:rgba(251,249,246,.94);backdrop-filter:blur(10px);border-bottom-color:var(--line);box-shadow:0 8px 24px -18px rgba(20,23,26,.28)}
.nav-wrap{display:flex;align-items:center;gap:20px;width:100%}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  width:36px;height:36px;border-radius:12px;background:var(--grad);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-weight:900;font-size:18px;
  box-shadow:0 10px 20px -12px rgba(255,90,30,.7);
}
.logo-text{font-weight:800;font-size:18px;letter-spacing:-0.01em;white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:4px;flex:1;min-width:0}
.nav-link{
  padding:9px 12px;border-radius:var(--r-pill);font-size:15px;color:var(--t2);font-weight:600;
  transition:color .3s ease,background .3s ease;white-space:nowrap;
}
.nav-link:hover{color:var(--brand-press);background:var(--brand-soft)}
.nav-link.active{color:var(--brand-press);background:var(--brand-soft)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:none}
.menu-toggle{display:none}
@media (max-width:1199px){
  .nav-link{padding:9px 9px;font-size:14px}
}
@media (max-width:991px){
  :root{--nav-h:60px}
  .nav-menu{
    position:fixed;top:var(--nav-h);right:0;bottom:0;width:min(360px,86vw);
    background:#fff;border-left:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:6px;padding:24px;
    transform:translateX(102%);transition:transform .3s ease;overflow-y:auto;box-shadow:-20px 0 40px -30px rgba(20,23,26,.4);
  }
  .nav-menu.open{transform:translateX(0)}
  .nav-link{padding:14px 16px;font-size:16px;border-radius:14px}
  .menu-toggle{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--line);color:var(--t1)}
  .nav-actions .btn-primary{display:none}
  body.menu-locked{overflow:hidden}
}

/* ============ 通用板块 ============ */
.section{padding:96px 0}
.section-tight{padding:64px 0}
.section-alt{background:var(--bg-2)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-title{font-size:30px;display:flex;align-items:center;gap:12px}
.section-num{
  font-size:13px;font-weight:900;color:var(--brand-press);background:var(--brand-soft);
  border-radius:var(--r-pill);padding:4px 10px;line-height:1.4;letter-spacing:.02em;
}
.section-desc{color:var(--t2);font-size:15px;max-width:640px;margin-top:10px}
.section-link{font-weight:700;color:var(--brand-press);display:inline-flex;align-items:center;gap:6px;font-size:15px}
.section-link:hover{gap:10px;transition:gap .25s ease}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  color:var(--brand-press);background:var(--brand-soft);border-radius:var(--r-pill);padding:6px 14px;
}
.badge{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;
  padding:4px 10px;border-radius:var(--r-pill);background:var(--brand-soft);color:var(--brand-press);
}
.badge-lime{background:rgba(182,233,43,.22);color:#3F5A00}
.badge-ink{background:var(--ink);color:#fff}

/* ============ Hero ============ */
.hero{position:relative;padding:calc(var(--nav-h) + 48px) 0 64px;overflow:hidden;background:linear-gradient(180deg,#FFF6EF 0%,var(--bg) 62%)}
.hero::before{
  content:"";position:absolute;right:-160px;top:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,90,30,.22),rgba(255,90,30,0) 68%);pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:6fr 6fr;gap:48px;align-items:center;position:relative}
.hero-title{font-size:48px;margin:18px 0 16px;max-width:14em}
.hero-title em{font-style:normal;color:var(--brand-press)}
.hero-sub{font-size:17px;color:var(--t2);max-width:32em}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin:28px 0 26px}
.hero-stats{display:flex;gap:12px;flex-wrap:wrap}
.stat-pill{
  display:inline-flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-pill);padding:9px 16px;box-shadow:var(--sh1);
}
.stat-pill .dot{width:8px;height:8px;border-radius:50%;background:var(--lime);flex:none}
.stat-pill b{font-size:18px;font-weight:900;color:var(--brand-press);font-variant-numeric:tabular-nums}
.stat-pill span{font-size:13px;color:var(--t2)}
.hero-visual{position:relative}
.hero-img{
  width:100%;aspect-ratio:16/12;object-fit:cover;border-radius:var(--r-big);
  box-shadow:0 40px 60px -40px rgba(20,23,26,.5);
}
.hero-img-wrap{position:relative;border-radius:var(--r-big);overflow:hidden}
.hero-img-wrap::after{
  content:"";position:absolute;inset:0;border-radius:var(--r-big);
  background:linear-gradient(150deg,rgba(255,138,43,.42),rgba(217,40,0,.5));
}
.glass-card{
  position:absolute;left:-18px;bottom:24px;width:min(280px,82%);
  background:rgba(255,249,243,.78);backdrop-filter:blur(10px);
  border:1px solid rgba(255,255,255,.7);border-radius:var(--r-card);padding:18px 20px;
  box-shadow:0 24px 48px -28px rgba(20,23,26,.5);
}
.glass-card h3{font-size:15px;margin-bottom:6px}
.glass-card p{font-size:13px;color:var(--t2)}
.glass-card .num{font-size:26px;font-weight:900;color:var(--brand-press);font-variant-numeric:tabular-nums}
@media (max-width:991px){
  .hero{padding:calc(var(--nav-h) + 32px) 0 48px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-title{font-size:36px}
  .glass-card{left:0;bottom:16px}
}

/* ============ 保障条 ============ */
.promise-bar{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:28px 0}
.promise-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.promise-item{display:flex;gap:14px;align-items:flex-start}
.promise-icon{
  width:44px;height:44px;border-radius:50%;background:var(--brand-soft);color:var(--brand-press);
  display:inline-flex;align-items:center;justify-content:center;flex:none;
}
.promise-item h3{font-size:16px;margin-bottom:2px}
.promise-item p{font-size:13px;color:var(--t2);line-height:1.6}
@media (max-width:991px){
  .promise-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:767px){
  .promise-bar{padding:20px 0}
  .promise-grid{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:6px}
  .promise-item{min-width:250px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:16px}
}

/* ============ 卡片网格 ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--sh1);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:0 20px 40px -22px rgba(20,23,26,.28);border-color:#F5D6C6}
.card-media{position:relative;overflow:hidden;aspect-ratio:16/9;background:linear-gradient(135deg,#F4EEE8,#E8E2DA)}
.card-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .3s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-badge{position:absolute;top:12px;left:12px}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{font-size:17px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-text{font-size:14px;color:var(--t2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.spec-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:2px}
.spec-list li{
  font-size:12px;color:var(--t2);background:var(--bg-2);border-radius:var(--r-pill);padding:4px 10px;
}
.card-actions{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:12px;border-top:1px dashed var(--line)}
.card-actions .btn{flex:1}
@media (max-width:1199px){.card-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:767px){.card-grid{grid-template-columns:1fr;gap:16px}}

/* ============ 数据徽章带 ============ */
.stats-band{
  background:var(--ink);color:#fff;border-radius:var(--r-big);padding:48px;
  position:relative;overflow:hidden;
}
.stats-band::before{
  content:"";position:absolute;left:-80px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,90,30,.34),rgba(255,90,30,0) 70%);
}
.stats-band .band-title{position:relative;font-size:24px;margin-bottom:8px}
.stats-band .band-desc{position:relative;color:rgba(255,255,255,.7);font-size:15px;margin-bottom:32px}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.stat-block{border-top:2px solid rgba(182,233,43,.7);padding-top:18px}
.stat-num{
  font-size:44px;font-weight:900;color:#FF7A38;font-variant-numeric:tabular-nums;line-height:1.05;
  opacity:0;transform:translateY(10px);transition:opacity .6s ease,transform .6s ease;
}
.stat-num.in{opacity:1;transform:translateY(0)}
.stat-num small{font-size:18px;color:rgba(255,255,255,.6);margin-left:6px;font-weight:600}
.stat-label{font-size:13px;color:rgba(255,255,255,.72);margin-top:6px}
@media (max-width:991px){
  .stats-band{padding:32px;border-radius:var(--r-card)}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .stat-num{font-size:34px}
}

/* ============ 场景对比 ============ */
.compare{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.compare-col{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-big);padding:28px;
  display:flex;flex-direction:column;gap:18px;
}
.compare-col.is-featured{border-color:#FFC9AE;box-shadow:var(--sh2);position:relative}
.compare-col.is-featured::after{
  content:"热门选择";position:absolute;top:-13px;right:24px;background:var(--grad);color:#fff;
  font-size:12px;font-weight:700;padding:5px 12px;border-radius:var(--r-pill);
}
.compare-head{display:flex;flex-direction:column;gap:6px}
.compare-head h3{font-size:20px}
.compare-head p{font-size:13px;color:var(--t2)}
.compare-list{display:flex;flex-direction:column;gap:12px}
.compare-list li{display:flex;gap:10px;font-size:14px;color:var(--t2);align-items:flex-start}
.compare-list .ico{width:18px;height:18px;color:var(--brand);margin-top:3px}
.compare-col .btn{margin-top:auto}
@media (max-width:991px){.compare{grid-template-columns:1fr}}

/* ============ 评价轮播 ============ */
.reviews-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;margin-bottom:32px}
.carousel-nav{display:flex;gap:10px}
.review-track{
  display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding-bottom:8px;scrollbar-width:none;
}
.review-track::-webkit-scrollbar{display:none}
.review-card{
  min-width:calc((100% - 48px)/3);scroll-snap-align:start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px;
  position:relative;box-shadow:var(--sh1);
}
.review-card::before{
  content:"”";position:absolute;top:8px;right:22px;font-size:64px;line-height:1;
  color:#FFE0CE;font-weight:900;
}
.stars{display:flex;gap:3px;color:var(--brand);margin-bottom:12px}
.stars svg{width:16px;height:16px}
.review-text{font-size:14px;color:var(--t2);min-height:88px}
.review-person{display:flex;align-items:center;gap:12px;margin-top:18px;padding-top:16px;border-top:1px dashed var(--line)}
.avatar{width:44px;height:44px;border-radius:50%;object-fit:cover;flex:none;border:2px solid #fff;box-shadow:0 6px 14px -8px rgba(20,23,26,.4)}
.review-person b{font-size:15px;display:block}
.review-person span{font-size:12px;color:var(--t3)}
@media (max-width:991px){
  .review-card{min-width:calc((100% - 24px)/2)}
}
@media (max-width:767px){
  .review-card{min-width:84%}
}

/* ============ 资讯列表 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px;
  display:flex;flex-direction:column;gap:12px;box-shadow:var(--sh1);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:0 20px 40px -22px rgba(20,23,26,.26);border-color:#F5D6C6}
.news-title{font-size:17px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-summary{font-size:14px;color:var(--t2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:12px;border-top:1px dashed var(--line)}
.news-date{font-size:13px;color:var(--t3);font-variant-numeric:tabular-nums}
.news-arrow{color:var(--brand);font-weight:700;transition:transform .3s ease}
.news-card:hover .news-arrow{transform:translateX(4px)}
.empty-state{
  grid-column:1/-1;border:1px dashed var(--line);border-radius:var(--r-card);background:#fff;
  padding:48px 24px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:14px;
}
.empty-state .promise-icon{width:56px;height:56px}
.empty-state p{color:var(--t2);font-size:15px}
.pager{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:36px}
.pager a,.pager span{
  min-width:40px;height:40px;padding:0 14px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;font-size:14px;color:var(--t2);font-weight:600;
}
.pager .is-current{background:var(--grad);color:#fff;border-color:transparent}
.pager a:hover{background:var(--brand-soft);color:var(--brand-press);border-color:#FFC9AE}
@media (max-width:1199px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:767px){.news-grid{grid-template-columns:1fr}}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:8fr 4fr;gap:32px;align-items:start}
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:border-color .3s ease,box-shadow .3s ease}
.faq-item.open{border-color:#FFC9AE;box-shadow:var(--sh1)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:12px;background:none;border:0;
  padding:20px 22px;font-size:16px;font-weight:700;color:var(--t1);text-align:left;
}
.faq-q .dot{width:8px;height:8px;border-radius:50%;background:var(--brand);flex:none}
.faq-q .caret{margin-left:auto;color:var(--t3);transition:transform .24s ease-out}
.faq-item.open .faq-q .caret{transform:rotate(180deg);color:var(--brand-press)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease-out}
.faq-a p{padding:0 22px 22px 42px;font-size:14px;color:var(--t2);line-height:1.8}
.faq-side{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px;
  box-shadow:var(--sh1);position:sticky;top:calc(var(--nav-h) + 24px);
}
.faq-side h3{font-size:18px;margin-bottom:10px}
.faq-side p{font-size:14px;color:var(--t2);margin-bottom:18px}
.faq-side .btn{margin-bottom:10px}
@media (max-width:991px){
  .faq-layout{grid-template-columns:1fr}
  .faq-side{position:static}
}

/* ============ CTA 条 ============ */
.cta-band{
  background:var(--grad);border-radius:var(--r-big);padding:48px;color:#fff;
  display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-60px;bottom:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.24),rgba(255,255,255,0) 70%);
}
.cta-band h2{font-size:30px;margin-bottom:12px;position:relative}
.cta-band p{font-size:15px;color:rgba(255,255,255,.9);position:relative;max-width:34em}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:22px;position:relative}
.cta-form{
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.32);border-radius:var(--r-card);
  padding:24px;position:relative;display:flex;flex-direction:column;gap:14px;
}
.cta-form .field{display:flex;flex-direction:column;gap:6px}
.cta-form label{font-size:13px;font-weight:700}
.cta-form input,.cta-form select,.cta-form textarea{
  width:100%;border-radius:var(--r-input);border:1px solid rgba(255,255,255,.55);
  background:rgba(255,255,255,.92);color:var(--t1);padding:12px 14px;min-height:44px;
}
.cta-form input:focus,.cta-form select:focus,.cta-form textarea:focus{
  outline:none;border-color:#fff;box-shadow:0 0 0 3px rgba(255,255,255,.45);
}
.cta-form .hint{font-size:12px;color:rgba(255,255,255,.85)}
@media (max-width:991px){
  .cta-band{grid-template-columns:1fr;padding:32px;border-radius:var(--r-card)}
  .cta-band h2{font-size:24px}
  .cta-actions .btn{flex:1}
}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);margin-top:96px;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:40px}
.footer-brand .logo-text{color:#fff}
.footer-brand p{font-size:14px;margin-top:16px;max-width:30em;line-height:1.8}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;transition:color .3s ease}
.footer-col a:hover{color:#FF7A38}
.footer-col address{font-style:normal;font-size:14px;line-height:1.9}
.qr-box{
  width:104px;height:104px;border-radius:14px;background:linear-gradient(135deg,#2E343B,#1B1F23);
  border:1px solid rgba(255,255,255,.12);display:flex;align-items:center;justify-content:center;
  font-size:12px;color:rgba(255,255,255,.6);text-align:center;padding:8px;margin-top:12px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;display:flex;
  justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a:hover{color:#FF7A38}
@media (max-width:991px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:767px){
  .site-footer{margin-top:64px;padding-top:48px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
}
@media (max-width:767px){
  .section{padding:48px 0}
  .section-tight{padding:40px 0}
  .hero-title{font-size:30px}
  .section-title{font-size:22px}
  .hero-cta .btn{flex:1}
  .stat-pill{width:100%;justify-content:flex-start}
}

/* roulang page: article */
:root{
  --brand:#FF5A1E;
  --brand-dark:#C93A0B;
  --brand-lite:#FFF1EA;
  --lime:#B6E92B;
  --ink:#14171A;
  --ink-2:#23282E;
  --bg:#FBF9F6;
  --bg-soft:#F1EEE9;
  --card:#FFFFFF;
  --line:#E6E1DA;
  --text:#14171A;
  --text-2:#5A5F66;
  --text-3:#8A8F96;
  --ok:#12A150;
  --warn:#F2B01E;
  --err:#DC2B2B;
  --grad:linear-gradient(118deg,#FF8A2B,#FF5A1E 48%,#D92800);
  --r-xs:10px;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:20px;
  --r-xl:28px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,23,26,.04),0 8px 24px -12px rgba(20,23,26,.12);
  --sh-2:0 24px 48px -24px rgba(255,90,30,.28);
  --nav-h:68px;
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:3px solid rgba(255,90,30,.35);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
@media (min-width:1440px){
  :root{--container:1320px}
  .container{padding:0 32px}
}
.icon{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.icon-sm{width:16px;height:16px}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:70;
  border-bottom:1px solid transparent;
  background:rgba(251,249,246,0);
  transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header.is-scrolled{
  background:rgba(251,249,246,.94);
  backdrop-filter:blur(12px);
  border-bottom-color:var(--line);
  box-shadow:0 12px 30px -26px rgba(20,23,26,.6);
}
.nav-inner{display:flex;align-items:center;gap:18px;height:var(--nav-h)}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad);color:#fff;
  font-weight:800;font-size:17px;display:grid;place-items:center;
  box-shadow:0 10px 20px -12px rgba(217,40,0,.9);
}
.logo-text{font-size:17px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-link{
  padding:9px 13px;border-radius:var(--r-pill);font-size:14.5px;font-weight:600;
  color:var(--text-2);transition:color .2s ease,background .2s ease;white-space:nowrap;
}
.nav-link:hover{color:var(--brand-dark);background:var(--brand-lite)}
.nav-link.active{color:#fff;background:var(--grad)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.search-btn{
  width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:#fff;display:grid;place-items:center;color:var(--text-2);
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.search-btn:hover{color:var(--brand);border-color:#FFCFB8;background:#FFF7F3}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;border:1px solid transparent;white-space:nowrap;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 14px 30px -18px rgba(217,40,0,.85)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px -18px rgba(217,40,0,.95)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{background:var(--brand-lite);border-color:#FFCFB8;color:var(--brand-dark);transform:translateY(-2px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;color:var(--text);
}
.nav-toggle:hover{border-color:#FFCFB8;color:var(--brand)}
@media (max-width:991px){
  .nav-menu{display:none}
  .nav-toggle{display:inline-flex}
  .nav-cta{display:none}
}
@media (max-width:479px){
  .logo-text{font-size:15.5px}
  .search-btn{width:38px;height:38px}
}

/* ---------- drawer ---------- */
.drawer{
  position:fixed;inset:0;z-index:90;background:var(--bg);padding:18px 20px 40px;
  transform:translateX(100%);visibility:hidden;overflow-y:auto;
  transition:transform .32s ease,visibility .32s ease;
}
.drawer.open{transform:translateX(0);visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:48px;margin-bottom:14px}
.drawer-close{
  width:42px;height:42px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:#fff;display:grid;place-items:center;color:var(--text);
}
.drawer-close:hover{color:var(--brand)}
.drawer-nav{display:flex;flex-direction:column;gap:10px}
.drawer-nav a{
  padding:14px 18px;border-radius:var(--r-md);font-weight:600;font-size:15.5px;
  color:var(--text-2);background:#fff;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
}
.drawer-nav a.active{background:var(--grad);color:#fff;border-color:transparent}
.drawer-foot{margin-top:26px;padding-top:22px;border-top:1px solid var(--line);font-size:13.5px;color:var(--text-3);line-height:2}
.drawer-foot strong{color:var(--text);font-weight:700;display:block;margin-bottom:6px;font-size:14px}

/* ---------- article ---------- */
main{display:block}
.article-main{padding:36px 0 88px}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);margin-bottom:22px;
}
.breadcrumb a{transition:color .2s ease}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:#CFC9C0}
.breadcrumb .current{color:var(--text-2);font-weight:600;max-width:46ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:var(--r-pill);font-size:12.5px;font-weight:700;line-height:1;
}
.badge-brand{background:var(--brand-lite);color:var(--brand-dark)}
.badge-soft{background:var(--bg-soft);color:var(--text-2)}
.badge-lime{background:rgba(182,233,43,.2);color:#4E6B00}
.article-title{
  font-size:38px;line-height:1.22;font-weight:800;letter-spacing:-.01em;
  margin:16px 0 18px;max-width:20ch;
}
@media (max-width:767px){
  .article-title{font-size:26px;max-width:none}
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:20px;
  font-size:13px;color:var(--text-3);padding-bottom:22px;border-bottom:1px solid var(--line);
}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-cover{
  margin:26px 0 0;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 336px;gap:48px;
  margin-top:36px;align-items:start;
}
@media (max-width:991px){
  .article-layout{grid-template-columns:1fr;gap:40px}
}
.article-body{
  font-size:17px;line-height:1.85;color:#23282E;max-width:760px;
}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 1.4em}
.article-body h2{
  position:relative;font-size:24px;font-weight:800;line-height:1.35;
  letter-spacing:-.01em;color:var(--text);margin:2em 0 .8em;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;
  border-radius:2px;background:var(--grad);
}
.article-body h3{
  font-size:18px;font-weight:800;color:var(--text);margin:1.7em 0 .6em;line-height:1.5;
}
.article-body h4{font-size:16.5px;font-weight:700;color:var(--text);margin:1.5em 0 .5em}
.article-body ul,.article-body ol{padding-left:22px;margin:0 0 1.4em}
.article-body ul{list-style:none}
.article-body ul li{position:relative;margin-bottom:.6em}
.article-body ul li::before{
  content:"";position:absolute;left:-16px;top:.72em;width:6px;height:6px;
  border-radius:50%;background:var(--brand);
}
.article-body ol{list-style:decimal}
.article-body ol li{margin-bottom:.6em}
.article-body ol li::marker{color:var(--brand);font-weight:700}
.article-body blockquote{
  margin:1.6em 0;padding:16px 20px;background:#FFF6F1;
  border-left:4px solid var(--brand);border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--text-2);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-md);margin:1.6em auto;height:auto}
.article-body figure{margin:1.6em 0}
.article-body figcaption{
  text-align:center;font-size:13px;color:var(--text-3);margin-top:10px;
}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;
  border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;
}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:var(--bg-soft);font-weight:700}
.article-body tbody tr:nth-child(even){background:#FAF8F5}
.article-body a{
  color:var(--brand-dark);text-decoration:underline;text-underline-offset:3px;
  transition:color .2s ease,text-underline-offset .2s ease;
}
.article-body a:hover{color:var(--brand);text-underline-offset:5px}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2em 0}
.empty-state{
  text-align:center;padding:64px 24px;background:#fff;
  border:1px dashed #D9D3CB;border-radius:var(--r-lg);
}
.empty-state .empty-icon{
  width:56px;height:56px;border-radius:50%;background:var(--brand-lite);
  color:var(--brand);display:grid;place-items:center;margin:0 auto 16px;
}
.empty-state h2{font-size:20px;font-weight:800;margin-bottom:8px}
.empty-state p{color:var(--text-3);font-size:14.5px;margin-bottom:20px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:38px}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 15px;
  border-radius:var(--r-pill);background:#fff;border:1px solid var(--line);
  font-size:13px;color:var(--text-2);transition:.2s ease;
}
.tag:hover{border-color:#FFCFB8;background:#FFF7F3;color:var(--brand-dark)}
.share-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:24px;padding-top:24px;border-top:1px solid var(--line);
}
.share-row .share-label-title{font-size:13.5px;color:var(--text-3);margin-right:2px}
.share-btn{
  display:inline-flex;align-items:center;gap:7px;height:38px;padding:0 16px;
  border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;
  font-size:13.5px;font-weight:600;color:var(--text-2);
  transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease;
}
.share-btn:hover{color:var(--brand-dark);border-color:#FFCFB8;background:#FFF7F3;transform:translateY(-1px)}

/* ---------- sidebar ---------- */
.side-sticky{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
@media (max-width:991px){.side-sticky{position:static}}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sh-1);
}
.side-card h2{
  font-size:17px;font-weight:800;display:flex;align-items:center;gap:8px;
  margin-bottom:12px;letter-spacing:-.01em;
}
.side-card h2::before{
  content:"";width:4px;height:16px;border-radius:2px;background:var(--grad);
}
.hot-list{display:flex;flex-direction:column;gap:2px}
.hot-item{display:flex;gap:12px;padding:11px 8px;border-radius:var(--r-sm);transition:background .2s ease}
.hot-item:hover{background:#FFF7F3}
.hot-num{
  width:22px;height:22px;flex:none;border-radius:7px;background:var(--bg-soft);
  color:var(--text-2);font-size:12px;font-weight:800;display:grid;place-items:center;
  font-variant-numeric:tabular-nums;margin-top:2px;
}
.hot-item:nth-child(-n+3) .hot-num{background:var(--grad);color:#fff}
.hot-title{
  font-size:14px;line-height:1.55;font-weight:600;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.hot-item:hover .hot-title{color:var(--brand-dark)}
.hot-date{font-size:12px;color:var(--text-3);margin-top:5px;display:block}
.side-cta{
  background:var(--grad);border-radius:var(--r-lg);padding:24px;color:#fff;
  box-shadow:var(--sh-2);position:relative;overflow:hidden;
}
.side-cta::after{
  content:"";position:absolute;right:-40px;top:-40px;width:140px;height:140px;
  border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.32),transparent 68%);
}
.side-cta h2{font-size:18px;font-weight:800;margin-bottom:8px;position:relative;z-index:1}
.side-cta p{font-size:13.5px;line-height:1.7;color:rgba(255,255,255,.9);margin-bottom:18px;position:relative;z-index:1}
.side-cta .btn{
  background:#fff;color:var(--brand-dark);position:relative;z-index:1;
}
.side-cta .btn:hover{background:#FFF1EA;transform:translateY(-2px)}
.side-list-note{font-size:12.5px;color:var(--text-3);margin-top:14px;line-height:1.7}

/* ---------- back bar ---------- */
.back-bar{
  margin-top:44px;padding:18px 22px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;box-shadow:var(--sh-1);max-width:760px;
}
.back-bar p{font-size:14px;color:var(--text-2)}
.back-bar p strong{color:var(--text);font-weight:700}

/* ---------- related ---------- */
.section{padding:72px 0}
.section-soft{background:var(--bg-soft)}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:16px;margin-bottom:28px;flex-wrap:wrap;
}
.section-title{font-size:26px;font-weight:800;letter-spacing:-.01em}
.section-title .idx{
  display:inline-grid;place-items:center;width:30px;height:30px;border-radius:10px;
  background:var(--brand-lite);color:var(--brand-dark);font-size:13px;font-weight:800;
  margin-right:10px;vertical-align:2px;font-variant-numeric:tabular-nums;
}
.section-sub{font-size:14px;color:var(--text-3);margin-top:8px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media (max-width:991px){.related-grid{grid-template-columns:repeat(2,1fr);gap:20px}}
@media (max-width:639px){.related-grid{grid-template-columns:1fr}}
.rel-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-1);border-color:#FFD9C6}
.rel-media{aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#F1EEE9,#E3DED6)}
.rel-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.rel-card:hover .rel-media img{transform:scale(1.04)}
.rel-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body h3{
  font-size:16px;font-weight:700;line-height:1.5;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-body .rel-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--text-3);padding-top:12px;border-top:1px solid var(--line);
}
.rel-card:hover .rel-foot .arrow{color:var(--brand);transform:translateX(3px)}
.rel-foot .arrow{transition:transform .3s ease,color .3s ease;display:inline-flex}

/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--grad);border-radius:var(--r-xl);
  padding:48px;color:#fff;display:grid;grid-template-columns:1.45fr 1fr;
  gap:32px;align-items:center;box-shadow:var(--sh-2);
}
.cta-band::after{
  content:"";position:absolute;right:-80px;bottom:-110px;width:320px;height:320px;
  border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.28),transparent 66%);
}
.cta-band h2{font-size:28px;font-weight:800;letter-spacing:-.01em;margin-bottom:12px;position:relative;z-index:1}
.cta-band p{font-size:15px;line-height:1.75;color:rgba(255,255,255,.92);position:relative;z-index:1}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1;justify-content:flex-end}
.cta-actions .btn-light{background:#fff;color:var(--brand-dark)}
.cta-actions .btn-light:hover{background:#FFF1EA;transform:translateY(-2px)}
.cta-actions .btn-line{background:transparent;border-color:rgba(255,255,255,.6);color:#fff}
.cta-actions .btn-line:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
@media (max-width:991px){
  .cta-band{grid-template-columns:1fr;padding:36px 28px;gap:24px}
  .cta-actions{justify-content:flex-start}
  .cta-band h2{font-size:23px}
}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.68);margin-top:0}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.25fr;gap:40px;
  padding:64px 0 40px;
}
@media (max-width:991px){.footer-grid{grid-template-columns:1fr 1fr;gap:30px;padding:48px 0 32px}}
@media (max-width:639px){.footer-grid{grid-template-columns:1fr;gap:26px}}
.site-footer .logo-text{color:#fff}
.footer-brand p{font-size:14px;line-height:1.8;margin-top:16px;color:rgba(255,255,255,.6);max-width:34ch}
.footer-col h3{
  font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;
  display:flex;align-items:center;gap:8px;
}
.footer-col h3::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--grad)}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.68);transition:color .2s ease,padding-left .2s ease}
.footer-col a:hover{color:var(--brand);padding-left:3px}
.footer-col address{font-style:normal;font-size:14px;line-height:2;color:rgba(255,255,255,.68)}
.qr-box{
  margin-top:16px;width:112px;height:112px;border-radius:var(--r-sm);
  border:1px dashed rgba(255,255,255,.28);display:grid;place-items:center;
  text-align:center;font-size:12.5px;line-height:1.6;color:rgba(255,255,255,.55);
  background:rgba(255,255,255,.04);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.48);
}
@media (max-width:639px){
  .article-main{padding:24px 0 64px}
  .section{padding:48px 0}
  .section-title{font-size:22px}
  .btn{height:44px}
}

/* roulang page: category1 */
/* ===================== 设计变量 ===================== */
:root{
  --brand:#FF5A1E;
  --brand-deep:#C93A0B;
  --lime:#B6E92B;
  --ink:#14171A;
  --ink-2:#23282E;
  --bg:#FBF9F6;
  --bg-alt:#F1EEE9;
  --card:#FFFFFF;
  --line:#E6E1DA;
  --t1:#14171A;
  --t2:#5A5F66;
  --t3:#8A8F96;
  --ok:#12A150;
  --warn:#F2B01E;
  --err:#DC2B2B;
  --grad:linear-gradient(118deg,#FF8A2B,#FF5A1E 48%,#D92800);
  --grad-soft:linear-gradient(118deg,rgba(255,138,43,.12),rgba(255,90,30,.10) 52%,rgba(217,40,0,.08));
  --r-card:20px;
  --r-big:28px;
  --r-pill:999px;
  --r-img:16px;
  --r-input:12px;
  --sh1:0 1px 2px rgba(20,23,26,.04), 0 8px 24px -12px rgba(20,23,26,.12);
  --sh2:0 24px 48px -24px rgba(255,90,30,.28);
  --nav-h:68px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
}

/* ===================== reset / base ===================== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--t1);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.15;letter-spacing:-.01em}
h1{font-size:clamp(30px,3.6vw,48px)}
h2{font-size:clamp(22px,2.2vw,30px)}
h3{font-size:17px}
p{margin:0}
:focus-visible{outline:3px solid rgba(255,90,30,.35);outline-offset:2px;border-radius:8px}
::selection{background:rgba(255,90,30,.22)}
.ico{width:20px;height:20px;flex:none;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ===================== 容器与通用 ===================== */
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
@media (min-width:1440px){.container{max-width:1320px;padding:0 32px}}
.section{padding:96px 0}
.section-alt{background:var(--bg-alt)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-head h2{display:flex;align-items:center;gap:12px}
.num-badge{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:38px;height:26px;padding:0 10px;border-radius:var(--r-pill);
  background:var(--grad-soft);color:var(--brand-deep);
  font-size:12px;font-weight:800;letter-spacing:.06em;
}
.section-sub{color:var(--t2);font-size:15px;margin-top:10px;max-width:640px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--brand-deep);
  background:var(--grad-soft);border-radius:var(--r-pill);
  padding:6px 14px;margin-bottom:16px;
}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--lime)}

/* ===================== 按钮 ===================== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform .3s ease,background-color .3s ease,box-shadow .3s ease,color .3s ease,border-color .3s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh2)}
.btn-primary:hover{background:linear-gradient(118deg,#F0781F,#E24E14 48%,#B92300);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{border-color:var(--line);background:#fff;color:var(--t1)}
.btn-ghost:hover{background:rgba(255,90,30,.08);border-color:rgba(255,90,30,.4);color:var(--brand-deep);transform:translateY(-1px)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-block{width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none!important}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:#fff;color:var(--t2);
  transition:all .3s ease;cursor:pointer;
}
.icon-btn:hover{border-color:rgba(255,90,30,.45);color:var(--brand);background:rgba(255,90,30,.07)}

/* ===================== 导航 ===================== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(251,249,246,.94);
  backdrop-filter:saturate(1.4) blur(10px);
  border-bottom:1px solid transparent;
  transition:background-color .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header.is-stuck{background:#fff;border-bottom-color:var(--line);box-shadow:var(--sh1)}
.header-inner{display:flex;align-items:center;gap:20px;min-height:var(--nav-h)}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none;font-weight:800;letter-spacing:-.01em}
.logo-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:900;box-shadow:0 8px 18px -10px rgba(255,90,30,.9);
}
.logo-text{font-size:18px;white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-link{
  display:inline-flex;align-items:center;
  padding:9px 13px;border-radius:var(--r-pill);
  font-size:15px;color:var(--t2);font-weight:600;
  transition:background-color .3s ease,color .3s ease;white-space:nowrap;
}
.nav-link:hover{background:rgba(255,90,30,.08);color:var(--brand-deep)}
.nav-link.active{background:rgba(255,90,30,.12);color:var(--brand-deep);font-weight:800}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid var(--line);background:#fff;border-radius:var(--r-pill);
  padding:8px 14px;color:var(--t3);font-size:14px;min-width:170px;
  transition:border-color .3s ease,box-shadow .3s ease,color .3s ease;cursor:pointer;
}
.nav-search:hover{border-color:rgba(255,90,30,.45);color:var(--brand-deep)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;color:var(--t1)}
.nav-scrim{position:fixed;inset:0;background:rgba(20,23,26,.45);opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;z-index:70}
.nav-scrim.is-open{opacity:1;visibility:visible}

/* ===================== 面包屑 ===================== */
.breadcrumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--t3);padding:24px 0 0}
.breadcrumb a{color:var(--t2);font-weight:600}
.breadcrumb a:hover{color:var(--brand-deep)}
.breadcrumb .sep{color:var(--t3);opacity:.7}
.breadcrumb .current{color:var(--brand-deep);font-weight:700}

/* ===================== 分类 Hero ===================== */
.cat-hero{padding:40px 0 64px;position:relative;overflow:hidden}
.cat-hero::after{
  content:"";position:absolute;right:-160px;top:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(255,90,30,.14),rgba(255,90,30,0) 68%);
  pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;position:relative;z-index:1}
.hero-copy h1{margin-bottom:18px}
.hero-lead{color:var(--t2);font-size:17px;max-width:560px}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 30px}
.stat-pill{
  display:inline-flex;align-items:center;gap:8px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-pill);
  padding:9px 16px;box-shadow:var(--sh1);font-size:13px;color:var(--t2);
}
.stat-pill b{font-size:18px;font-weight:900;color:var(--brand);font-variant-numeric:tabular-nums}
.stat-pill i{width:7px;height:7px;border-radius:50%;background:var(--lime);display:inline-block}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--r-big);border:1px solid var(--line);
  box-shadow:0 32px 64px -32px rgba(20,23,26,.35);
}
.hero-chip{
  position:absolute;left:24px;bottom:-22px;background:#fff;border:1px solid var(--line);
  border-radius:18px;padding:16px 20px;box-shadow:var(--sh1);min-width:190px;
}
.hero-chip span{display:block;font-size:12px;color:var(--t3);margin-bottom:4px}
.hero-chip strong{font-size:19px;font-weight:900;color:var(--brand);font-variant-numeric:tabular-nums}

/* ===================== 目录布局 ===================== */
.catalog{padding:0 0 96px}
.catalog-layout{display:grid;grid-template-columns:264px minmax(0,1fr);gap:32px;align-items:start}

/* 筛选栏 */
.filters{
  position:sticky;top:calc(var(--nav-h) + 20px);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh1);
}
.filters h2{font-size:16px;display:flex;align-items:center;gap:8px;margin-bottom:6px}
.filters .filter-note{font-size:12px;color:var(--t3);margin-bottom:18px}
.filter-group{border-top:1px solid var(--line);padding:16px 0 6px}
.filter-group:first-of-type{border-top:0;padding-top:4px}
.filter-group h3{font-size:13px;font-weight:800;color:var(--t2);letter-spacing:.02em;margin-bottom:12px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip-input{position:absolute;opacity:0;width:0;height:0;pointer-events:none}
.chip{
  display:inline-flex;align-items:center;gap:6px;cursor:pointer;
  border:1px solid var(--line);background:var(--bg);
  border-radius:var(--r-pill);padding:7px 13px;
  font-size:13px;color:var(--t2);transition:all .25s ease;
}
.chip:hover{border-color:rgba(255,90,30,.45);color:var(--brand-deep)}
.chip-input:checked + .chip{background:var(--grad);border-color:transparent;color:#fff;font-weight:700}
.chip-input:focus-visible + .chip{outline:3px solid rgba(255,90,30,.35);outline-offset:2px}
.filter-field{margin-top:6px}
.filter-field input{
  width:100%;padding:11px 14px;border-radius:var(--r-input);
  border:1px solid var(--line);background:var(--bg);font-size:14px;
  transition:border-color .25s ease,box-shadow .25s ease,background-color .25s ease;
}
.filter-field input:focus{outline:0;background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,90,30,.18)}
.filter-actions{display:flex;gap:10px;border-top:1px solid var(--line);padding-top:18px;margin-top:8px}
.filter-actions .btn{flex:1;padding:11px 12px;font-size:14px}

/* 结果条 */
.result-bar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:16px 22px;margin-bottom:24px;box-shadow:var(--sh1);
}
.result-count{font-size:14px;color:var(--t2)}
.result-count b{font-size:20px;font-weight:900;color:var(--brand);font-variant-numeric:tabular-nums}
.result-tabs{display:flex;gap:6px;flex-wrap:wrap}
.result-tabs .tab{
  border:1px solid var(--line);border-radius:var(--r-pill);
  padding:6px 14px;font-size:13px;color:var(--t2);background:var(--bg);
  transition:all .25s ease;cursor:pointer;
}
.result-tabs .tab:hover{color:var(--brand-deep);border-color:rgba(255,90,30,.4)}
.result-tabs .tab.is-active{background:rgba(255,90,30,.12);border-color:transparent;color:var(--brand-deep);font-weight:700}

/* 装备网格 */
.gear-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.gear-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.gear-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:rgba(255,90,30,.28)}
.card-media{position:relative;overflow:hidden;background:var(--bg-alt)}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease}
.gear-card:hover .card-media img{transform:scale(1.04)}
.badge{
  position:absolute;left:12px;top:12px;
  background:rgba(20,23,26,.78);color:#fff;
  font-size:12px;font-weight:700;border-radius:var(--r-pill);
  padding:5px 12px;backdrop-filter:blur(4px);
}
.badge-lime{background:var(--lime);color:#1B2400}
.card-body{padding:18px 20px 6px;flex:1}
.card-body h3{margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-desc{font-size:14px;color:var(--t2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:14px}
.spec-list{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:6px}
.spec-list li{
  font-size:12px;color:var(--t2);background:var(--bg-alt);
  border-radius:8px;padding:4px 10px;font-variant-numeric:tabular-nums;
}
.card-foot{
  display:flex;align-items:center;gap:10px;
  padding:16px 20px 20px;border-top:1px solid var(--line);margin-top:14px;
}
.card-price{margin-left:auto;text-align:right;line-height:1.2}
.card-price strong{display:block;font-size:17px;font-weight:900;color:var(--brand-deep);font-variant-numeric:tabular-nums}
.card-price span{font-size:11px;color:var(--t3)}

/* 分页 */
.pager{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:40px;flex-wrap:wrap}
.pager a,.pager span{
  min-width:42px;height:42px;padding:0 16px;border-radius:var(--r-pill);
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:#fff;color:var(--t2);
  font-size:14px;font-weight:600;transition:all .25s ease;
}
.pager a:hover{color:var(--brand-deep);border-color:rgba(255,90,30,.45);background:rgba(255,90,30,.06)}
.pager .is-active{background:var(--grad);border-color:transparent;color:#fff}
.pager .is-disabled{opacity:.5;cursor:not-allowed}

/* ===================== 保障条 ===================== */
.assure{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:48px 0}
.assure-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.assure-item{display:flex;gap:14px;align-items:flex-start}
.assure-icon{
  width:46px;height:46px;border-radius:50%;flex:none;
  background:rgba(255,90,30,.1);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;
}
.assure-item h3{font-size:15px;margin-bottom:4px}
.assure-item p{font-size:13px;color:var(--t2);line-height:1.7}

/* ===================== FAQ ===================== */
.faq-wrap{max-width:920px;margin:0 auto}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item[open]{border-color:rgba(255,90,30,.32);box-shadow:var(--sh1)}
.faq-q{
  display:flex;align-items:center;gap:12px;
  padding:20px 24px;font-size:16px;font-weight:800;cursor:pointer;list-style:none;
}
.faq-q::-webkit-details-marker{display:none}
.faq-q::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--brand);flex:none}
.faq-q::after{
  content:"";margin-left:auto;width:10px;height:10px;flex:none;
  border-right:2px solid var(--t2);border-bottom:2px solid var(--t2);
  transform:rotate(45deg);transition:transform .24s ease-out;
}
.faq-item[open] .faq-q::after{transform:rotate(-135deg)}
.faq-a{padding:0 24px 22px 44px;color:var(--t2);font-size:15px;line-height:1.8}

/* ===================== CTA ===================== */
.cta-band{
  background:var(--grad);border-radius:var(--r-big);
  padding:48px;color:#fff;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;
  position:relative;overflow:hidden;box-shadow:var(--sh2);
}
.cta-band::after{
  content:"";position:absolute;right:-120px;bottom:-160px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(255,255,255,.22),rgba(255,255,255,0) 70%);
}
.cta-band h2{color:#fff;margin-bottom:14px;position:relative;z-index:1}
.cta-band p{color:rgba(255,255,255,.9);font-size:15px;max-width:460px;position:relative;z-index:1}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;position:relative;z-index:1}
.cta-points span{
  font-size:13px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);
  border-radius:var(--r-pill);padding:6px 14px;
}
.cta-form{
  background:#fff;border-radius:var(--r-card);padding:28px;color:var(--t1);
  position:relative;z-index:1;box-shadow:0 28px 56px -30px rgba(20,23,26,.45);
}
.form-row{margin-bottom:14px}
.form-row label{display:block;font-size:13px;font-weight:700;color:var(--t2);margin-bottom:6px}
.form-row input,.form-row select,.form-row textarea{
  width:100%;padding:12px 14px;border-radius:var(--r-input);
  border:1px solid var(--line);background:var(--bg);font-size:15px;
  transition:border-color .25s ease,box-shadow .25s ease,background-color .25s ease;
}
.form-row textarea{min-height:88px;resize:vertical}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{
  outline:0;background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,90,30,.18);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-hint{font-size:12px;color:var(--t3);margin-top:10px;text-align:center}
.form-err{display:block;font-size:12px;color:var(--err);margin-top:5px}

/* ===================== 页脚 ===================== */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.site-footer .logo{color:#fff;margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.8;max-width:360px}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:14px;transition:color .25s ease}
.footer-col a:hover{color:var(--brand)}
.footer-col address{font-style:normal;font-size:14px;line-height:1.9}
.qr-box{
  margin-top:16px;width:120px;height:120px;border-radius:16px;
  border:1px dashed rgba(255,255,255,.3);
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12px;line-height:1.6;color:rgba(255,255,255,.6);
  background:rgba(255,255,255,.04);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ===================== 响应式 ===================== */
@media (max-width:1199px){
  .gear-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .catalog-layout{grid-template-columns:236px minmax(0,1fr);gap:24px}
  .section{padding:64px 0}
}
@media (max-width:991px){
  :root{--nav-h:60px}
  .nav-toggle{display:inline-flex}
  .nav-menu{
    position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);
    background:#fff;flex-direction:column;align-items:stretch;gap:0;
    padding:84px 20px 32px;margin:0;
    transform:translateX(105%);transition:transform .3s ease;
    z-index:80;box-shadow:-20px 0 48px -28px rgba(20,23,26,.45);overflow-y:auto;
  }
  .nav-menu.is-open{transform:none}
  .nav-link{width:100%;padding:15px 12px;font-size:17px;border-bottom:1px solid var(--line);border-radius:0}
  .nav-link.active{background:rgba(255,90,30,.1);border-radius:12px}
  .nav-search{display:none}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual img{aspect-ratio:16/9}
  .hero-chip{position:static;margin-top:16px;display:inline-block}
  .catalog-layout{grid-template-columns:1fr}
  .filters{position:static}
  .assure-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-band{grid-template-columns:1fr;padding:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .site-footer{margin-top:64px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .gear-grid{grid-template-columns:1fr}
  .assure-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .cta-band{padding:28px 22px;border-radius:22px}
  .hero-badges{gap:10px}
  .result-bar{padding:14px 16px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:479px){
  h1{font-size:28px}
  .hero-actions .btn{width:100%}
  .card-foot{flex-wrap:wrap}
  .card-price{margin-left:0;width:100%;text-align:left}
  .btn,.nav-toggle{min-height:44px}
}

/* roulang page: category2 */
/* ================= 设计变量 ================= */
:root{
  --brand:#FF5A1E;
  --brand-dark:#C93A0B;
  --lime:#B6E92B;
  --ink:#14171A;
  --ink-2:#23282E;
  --bg:#FBF9F6;
  --bg-2:#F1EEE9;
  --card:#FFFFFF;
  --line:#E6E1DA;
  --text:#14171A;
  --text-2:#5A5F66;
  --text-3:#8A8F96;
  --ok:#12A150;
  --warn:#F2B01E;
  --err:#DC2B2B;
  --grad:linear-gradient(118deg,#FF8A2B,#FF5A1E 48%,#D92800);
  --r-card:20px;
  --r-lg:28px;
  --r-pill:999px;
  --r-input:12px;
  --r-img:16px;
  --sh-1:0 1px 2px rgba(20,23,26,.04),0 8px 24px -12px rgba(20,23,26,.12);
  --sh-2:0 24px 48px -24px rgba(255,90,30,.28);
  --nav-h:68px;
  --sp:24px;
}

/* ================= 基础 reset ================= */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .25s ease}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0;padding:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.15;color:var(--text)}
p{margin:0}
address{font-style:normal}
:focus-visible{outline:3px solid rgba(255,90,30,.35);outline-offset:2px;border-radius:10px}
::selection{background:rgba(255,90,30,.2)}

/* ================= 容器 ================= */
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 var(--sp)}
.section{padding:96px 0}
.section--tight{padding:64px 0}
.section--alt{background:var(--bg-2)}

/* ================= 通用按钮 ================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;line-height:1;white-space:nowrap;
  border:1px solid transparent;transition:transform .25s ease,background .25s ease,color .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh-2)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.05)}
.btn-primary:active{transform:translateY(0);background:var(--brand-dark)}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.5)}
.btn-ghost:hover{background:rgba(255,255,255,.24);transform:translateY(-2px)}
.btn-outline{background:#fff;color:var(--text);border-color:var(--line)}
.btn-outline:hover{background:#FFF1E9;border-color:var(--brand);color:var(--brand-dark);transform:translateY(-2px)}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none}

/* ================= 徽章 / 标签 ================= */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:700;line-height:1.6;
  background:#FFF1E9;color:var(--brand-dark);border:1px solid rgba(255,90,30,.22);
}
.badge-lime{background:rgba(182,233,43,.16);color:#3F5A00;border-color:rgba(182,233,43,.45)}
.badge-ink{background:var(--ink);color:#fff;border-color:transparent}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  padding:7px 14px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--line);
  font-size:13px;color:var(--text-2);transition:border-color .25s ease,color .25s ease,transform .25s ease;
}
.tag:hover{border-color:var(--brand);color:var(--brand-dark);transform:translateY(-2px)}

/* ================= 导航 ================= */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;height:var(--nav-h);
  display:flex;align-items:center;
  background:rgba(251,249,246,.86);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(230,225,218,.7);
  transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header.scrolled{
  background:rgba(251,249,246,.97);
  box-shadow:0 10px 30px -18px rgba(20,23,26,.28);
  border-bottom-color:var(--line);
}
.header-inner{display:flex;align-items:center;gap:24px;width:100%}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad);
  display:grid;place-items:center;color:#fff;font-weight:900;font-size:17px;
  box-shadow:0 8px 18px -10px rgba(255,90,30,.8);
}
.logo-text{font-size:17px;font-weight:800;letter-spacing:-.01em}
.nav-menu{display:flex;align-items:center;gap:4px;flex:1 1 auto;min-width:0}
.nav-link{
  padding:8px 13px;border-radius:var(--r-pill);font-size:14.5px;font-weight:600;color:var(--text-2);
  position:relative;white-space:nowrap;transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--text);background:#FFF1E9}
.nav-link.active{color:var(--brand-dark);background:#FFF1E9}
.nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:16px;height:3px;border-radius:999px;background:var(--brand);
}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;color:var(--text-2);
  transition:border-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.icon-btn:hover{border-color:var(--brand);color:var(--brand-dark);transform:translateY(-1px);box-shadow:var(--sh-1)}
.hamburger{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;place-items:center}
.hamburger span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;margin:3px auto;transition:transform .25s ease,opacity .25s ease}
.drawer-open .hamburger span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.drawer-open .hamburger span:nth-child(2){opacity:0}
.drawer-open .hamburger span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

/* 移动抽屉 */
.nav-drawer{
  position:fixed;inset:var(--nav-h) 0 0 0;z-index:79;background:#FFFDFB;
  padding:24px;overflow-y:auto;transform:translateX(100%);
  transition:transform .3s ease;border-top:1px solid var(--line);
}
.drawer-open .nav-drawer{transform:translateX(0)}
.nav-drawer .nav-link{display:block;padding:14px 16px;font-size:16px;border-radius:14px;margin-bottom:6px;background:#fff;border:1px solid var(--line)}
.nav-drawer .nav-link.active{border-color:var(--brand);background:#FFF1E9}
.drawer-foot{margin-top:24px;padding-top:20px;border-top:1px dashed var(--line);font-size:14px;color:var(--text-2);line-height:2}

/* ================= 首屏 Banner ================= */
.page-hero{
  position:relative;color:#fff;overflow:hidden;
  padding:calc(var(--nav-h) + 56px) 0 72px;
  background-image:
    radial-gradient(760px 340px at 88% 6%, rgba(255,138,43,.55), transparent 70%),
    linear-gradient(118deg, rgba(255,138,43,.93), rgba(255,90,30,.93) 48%, rgba(200,32,0,.95)),
    url("/assets/images/backpic/back-2.png");
  background-size:auto,auto,cover;
  background-position:center,center,center;
  background-repeat:no-repeat;
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--lime);opacity:.8;
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.86);margin-bottom:22px}
.crumbs a:hover{color:#fff;text-decoration:underline}
.crumbs .sep{opacity:.6}
.hero-inner{max-width:760px;position:relative;z-index:2}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.4);
  font-size:13px;font-weight:700;margin-bottom:20px;
}
.hero-dot{width:8px;height:8px;border-radius:50%;background:var(--lime);display:inline-block}
.page-hero h1{font-size:48px;color:#fff;max-width:820px}
.page-hero .hero-sub{margin-top:18px;font-size:17px;line-height:1.7;color:rgba(255,255,255,.92);max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:38px}
.stat-pill{
  display:flex;align-items:center;gap:10px;background:#fff;border-radius:var(--r-pill);
  padding:10px 18px;box-shadow:var(--sh-1);
}
.stat-pill .num{font-size:20px;font-weight:900;color:var(--brand);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.stat-pill .unit{font-size:12px;color:var(--text-3);font-weight:600}
.stat-pill .lbl{font-size:12px;color:var(--text-2);font-weight:600}

/* ================= 板块标题 ================= */
.section-head{display:flex;align-items:flex-start;gap:16px;margin-bottom:44px}
.sec-num{
  flex:0 0 auto;width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  font-size:14px;font-weight:900;font-variant-numeric:tabular-nums;
  background:#FFF1E9;color:var(--brand-dark);border:1px solid rgba(255,90,30,.2);
}
.section-head h2{font-size:30px;margin-bottom:10px}
.section-head p{font-size:15.5px;color:var(--text-2);max-width:760px}
.section--dark .section-head h2{color:#fff}
.section--dark .section-head p{color:rgba(255,255,255,.7)}
.section--dark .sec-num{background:rgba(255,255,255,.1);color:var(--lime);border-color:rgba(255,255,255,.16)}

/* ================= 深色服务面板 ================= */
.section--dark{
  background:var(--ink);position:relative;overflow:hidden;color:#fff;
}
.section--dark::before{
  content:"";position:absolute;width:620px;height:620px;right:-180px;top:-220px;
  background:radial-gradient(circle, rgba(255,90,30,.34), transparent 68%);pointer-events:none;
}
.serve-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative;z-index:1}
.serve-card{
  background:var(--ink-2);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-card);
  padding:26px 22px;transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.serve-card:hover{transform:translateY(-4px);border-color:rgba(255,90,30,.6);box-shadow:0 24px 48px -28px rgba(255,90,30,.7)}
.serve-icon{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;margin-bottom:16px;
  background:rgba(255,90,30,.16);color:var(--brand);border:1px solid rgba(255,90,30,.3);
}
.serve-card h3{font-size:17px;color:#fff;margin-bottom:8px}
.serve-card p{font-size:14px;color:rgba(255,255,255,.68);line-height:1.75}
.serve-meta{margin-top:16px;padding-top:14px;border-top:1px dashed rgba(255,255,255,.14);font-size:13px;color:var(--lime);font-weight:700}

/* ================= 交替图文 ================= */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center;margin-bottom:96px}
.split:last-child{margin-bottom:0}
.split.reverse .split-media{order:2}
.split-media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1)}
.split-media img{aspect-ratio:16/10;object-fit:cover;width:100%;border-radius:var(--r-lg);transition:transform .4s ease}
.split-media:hover img{transform:scale(1.04)}
.split-media .float-chip{
  position:absolute;left:20px;bottom:20px;background:#fff;border-radius:var(--r-pill);
  padding:8px 16px;font-size:13px;font-weight:700;color:var(--brand-dark);box-shadow:var(--sh-1);
}
.split-body h2{font-size:26px;margin-bottom:16px}
.split-body p{color:var(--text-2);font-size:15.5px;margin-bottom:18px}
.check-list li{
  position:relative;padding-left:26px;margin-bottom:12px;font-size:15px;color:var(--text-2);
}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;width:14px;height:14px;border-radius:50%;
  background:rgba(255,90,30,.14);
}
.check-list li::after{
  content:"";position:absolute;left:5px;top:14px;width:4px;height:4px;border-radius:50%;background:var(--brand);
}

/* ================= 流程时间线 ================= */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 22px 24px;box-shadow:var(--sh-1);transition:transform .3s ease,box-shadow .3s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.step-num{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;margin-bottom:16px;
  background:var(--grad);color:#fff;font-weight:900;font-size:16px;font-variant-numeric:tabular-nums;
}
.step h3{font-size:16.5px;margin-bottom:8px}
.step p{font-size:14px;color:var(--text-2)}
.step-line{position:absolute;top:48px;right:-12px;width:24px;height:2px;background:repeating-linear-gradient(90deg,var(--line) 0 4px,transparent 4px 8px)}
.step:last-child .step-line{display:none}

/* ================= 场景 ================= */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:36px}
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,90,30,.4)}
.scene-card .scene-media{position:relative}
.scene-card img{aspect-ratio:16/9;object-fit:cover;width:100%;transition:transform .4s ease}
.scene-card:hover img{transform:scale(1.04)}
.scene-card .badge{position:absolute;left:14px;top:14px;background:#fff}
.scene-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:12px;flex:1}
.scene-body h3{font-size:17px}
.scene-body p{font-size:14.5px;color:var(--text-2)}
.scene-params{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto}
.param{font-size:12.5px;color:var(--text-2);background:var(--bg-2);border-radius:var(--r-pill);padding:4px 12px}

/* ================= FAQ ================= */
.faq-layout{display:grid;grid-template-columns:1.6fr 1fr;gap:32px;align-items:start}
.faq-group{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:10px 8px;box-shadow:var(--sh-1)}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;
  padding:18px 18px 18px 26px;font-size:16px;font-weight:700;color:var(--text);position:relative;
  transition:color .25s ease;
}
.faq-q::before{
  content:"";position:absolute;left:12px;top:50%;transform:translateY(-50%);
  width:6px;height:6px;border-radius:50%;background:var(--brand);
}
.faq-q:hover{color:var(--brand-dark)}
.faq-arrow{flex:0 0 auto;transition:transform .24s ease;color:var(--text-3)}
.faq-item.open .faq-arrow{transform:rotate(180deg);color:var(--brand)}
.faq-a{
  max-height:0;overflow:hidden;opacity:0;
  transition:max-height .24s ease-out,opacity .24s ease-out,padding .24s ease-out;
  padding:0 18px 0 26px;font-size:14.5px;color:var(--text-2);line-height:1.8;
}
.faq-item.open .faq-a{max-height:300px;opacity:1;padding:0 18px 20px 26px}
.faq-aside{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);padding:28px 24px;
  position:sticky;top:calc(var(--nav-h) + 24px);
}
.faq-aside h3{font-size:18px;margin-bottom:10px}
.faq-aside p{font-size:14px;color:var(--text-2);margin-bottom:18px}
.aside-list li{font-size:14px;color:var(--text-2);padding:9px 0;border-bottom:1px dashed var(--line);display:flex;justify-content:space-between;gap:12px}
.aside-list li:last-child{border-bottom:0}
.aside-list b{color:var(--text);font-weight:700}

/* ================= CTA ================= */
.cta-band{
  position:relative;border-radius:var(--r-lg);overflow:hidden;color:#fff;
  padding:56px;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
  background-image:
    radial-gradient(560px 300px at 12% 10%, rgba(255,180,90,.42), transparent 70%),
    linear-gradient(118deg,#FF8A2B,#FF5A1E 48%,#D92800);
  box-shadow:var(--sh-2);
}
.cta-band h2{color:#fff;font-size:30px;margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.9);font-size:15.5px;max-width:460px}
.cta-points{margin-top:24px;display:flex;flex-wrap:wrap;gap:10px}
.cta-points span{
  font-size:13px;font-weight:700;background:rgba(255,255,255,.18);
  border:1px solid rgba(255,255,255,.36);border-radius:var(--r-pill);padding:6px 14px;
}
.form-card{background:#fff;border-radius:var(--r-card);padding:28px 26px;box-shadow:var(--sh-1)}
.form-card h3{font-size:18px;margin-bottom:18px;color:var(--text)}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:700;color:var(--text-2);margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:var(--r-input);border:1px solid var(--line);
  background:var(--bg);font-size:14.5px;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{min-height:92px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(255,90,30,.16);
}
.form-hint{font-size:12.5px;color:var(--text-3);margin-top:12px;text-align:center}
.form-msg{font-size:13px;margin-top:10px;color:var(--ok);font-weight:700;display:none}
.form-msg.show{display:block}

/* ================= 页脚 ================= */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand .logo-text{color:#fff}
.footer-brand p{font-size:14px;line-height:1.85;margin-top:16px;max-width:340px}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:18px}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.7)}
.footer-col a:hover{color:var(--brand)}
.footer-col address{font-size:14px;line-height:2}
.qr-box{
  margin-top:16px;width:112px;height:112px;border-radius:14px;border:1px dashed rgba(255,255,255,.3);
  display:grid;place-items:center;text-align:center;font-size:12.5px;line-height:1.6;color:rgba(255,255,255,.6);
  background:rgba(255,255,255,.04);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.55);
}

/* ================= 响应式 ================= */
@media (min-width:1440px){
  :root{--sp:32px}
  .container{max-width:1320px}
  .serve-grid{gap:24px}
}
@media (max-width:1199px){
  .nav-link{padding:8px 10px;font-size:14px}
  .page-hero h1{font-size:40px}
  .split{gap:40px}
}
@media (max-width:991px){
  .nav-menu{display:none}
  .hamburger{display:grid}
  .section{padding:64px 0}
  .page-hero{padding:calc(var(--nav-h) + 40px) 0 56px}
  .page-hero h1{font-size:34px}
  .serve-grid{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:28px;margin-bottom:64px}
  .split.reverse .split-media{order:0}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step-line{display:none}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .faq-layout{grid-template-columns:1fr}
  .faq-aside{position:static}
  .cta-band{grid-template-columns:1fr;gap:32px;padding:40px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .section{padding:48px 0}
  .section-head{gap:12px;margin-bottom:32px}
  .section-head h2{font-size:24px}
  .page-hero h1{font-size:29px}
  .page-hero .hero-sub{font-size:15.5px}
  .hero-actions .btn{width:100%}
  .serve-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr}
  .cta-band h2{font-size:24px}
  .cta-band{padding:32px 22px;border-radius:22px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{justify-content:flex-start}
}
@media (max-width:479px){
  :root{--sp:16px}
  .logo-text{font-size:15px}
  .page-hero h1{font-size:25px}
  .stat-pill{padding:8px 14px}
  .stat-pill .num{font-size:17px}
  .btn{min-height:44px}
  .faq-q{font-size:15px;padding-right:12px}
}

/* roulang page: category3 */
/* ==================== 设计变量 ==================== */
:root{
  --brand:#FF5A1E;
  --brand-dark:#C93A0B;
  --brand-soft:rgba(255,90,30,.1);
  --lime:#B6E92B;
  --ink:#14171A;
  --ink-2:#23282E;
  --bg:#FBF9F6;
  --bg-2:#F1EEE9;
  --card:#FFFFFF;
  --line:#E6E1DA;
  --t1:#14171A;
  --t2:#5A5F66;
  --t3:#8A8F96;
  --ok:#12A150;
  --warn:#F2B01E;
  --err:#DC2B2B;
  --grad:linear-gradient(118deg,#FF8A2B,#FF5A1E 48%,#D92800);
  --r-card:20px;
  --r-lg:28px;
  --r-pill:999px;
  --r-input:12px;
  --r-img:16px;
  --sh1:0 1px 2px rgba(20,23,26,.04),0 8px 24px -12px rgba(20,23,26,.12);
  --sh2:0 24px 48px -24px rgba(255,90,30,.28);
  --sh3:0 6px 18px -14px rgba(20,23,26,.35);
  --ctn:1240px;
  --nav-h:68px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Segoe UI",sans-serif;
}
@media (min-width:1440px){:root{--ctn:1320px}}

/* ==================== 基础 reset ==================== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--t1);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .3s ease}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;padding:0}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.15}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
address{font-style:normal}
svg{display:block}
:focus-visible{outline:3px solid rgba(255,90,30,.35);outline-offset:2px;border-radius:8px}
::selection{background:rgba(255,90,30,.22)}

/* ==================== 容器与工具 ==================== */
.container{width:100%;max-width:var(--ctn);margin:0 auto;padding:0 24px}
@media (min-width:1440px){.container{padding:0 32px}}
.section{padding:96px 0}
.section-alt{background:var(--bg-2)}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  margin-bottom:40px;
}
.section-head h2{font-size:30px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.section-note{color:var(--t2);font-size:15px;max-width:460px}
.num-badge{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:36px;
  height:36px;
  padding:0 10px;
  border-radius:12px;
  background:var(--grad);
  color:#fff;
  font-size:13px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  flex:0 0 auto;
}
.reveal{opacity:1;transform:none}
.js .reveal{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .js .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ==================== 按钮 ==================== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  font-size:16px;
  font-weight:700;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .3s ease,background .3s ease,box-shadow .3s ease,color .3s ease,border-color .3s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 26px -16px rgba(255,90,30,.85)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 36px -18px rgba(255,90,30,.9)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--t1)}
.btn-ghost:hover{background:var(--brand-soft);border-color:rgba(255,90,30,.42);color:var(--brand-dark);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--brand-dark);box-shadow:0 14px 30px -18px rgba(20,23,26,.6)}
.btn-light:hover{transform:translateY(-2px);background:#FFF6F1}
.btn-outline-light{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.6);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
.icon-btn{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;
  color:var(--t1);
  cursor:pointer;
  transition:color .3s ease,background .3s ease,border-color .3s ease,transform .3s ease;
}
.icon-btn:hover{color:var(--brand-dark);background:var(--brand-soft);border-color:rgba(255,90,30,.45);transform:translateY(-1px)}
.icon-btn svg{width:19px;height:19px}

/* ==================== 徽章 / 标签 ==================== */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:28px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:var(--bg-2);
  color:var(--t2);
  font-size:13px;
  font-weight:600;
  white-space:nowrap;
}
.tag-brand{background:var(--brand-soft);color:var(--brand-dark)}
.tag-lime{background:rgba(182,233,43,.2);color:#4E6E00}
.on-media{
  position:absolute;
  left:12px;top:12px;
  background:rgba(255,255,255,.94);
  color:var(--brand-dark);
  box-shadow:0 6px 16px -10px rgba(20,23,26,.5);
}

/* ==================== 头部与导航 ==================== */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  background:rgba(251,249,246,.94);
  border-bottom:1px solid transparent;
  transition:box-shadow .3s ease,border-color .3s ease,background .3s ease;
}
.site-header.is-scrolled{
  background:#FBF9F6;
  border-bottom-color:var(--line);
  box-shadow:var(--sh3);
}
.header-inner{
  height:var(--nav-h);
  display:flex;
  align-items:center;
  gap:28px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.logo-mark{
  width:34px;height:34px;
  border-radius:11px;
  background:var(--grad);
  color:#fff;
  font-size:17px;
  font-weight:800;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 10px 22px -14px rgba(255,90,30,.9);
}
.logo-text{font-size:18px;font-weight:800;letter-spacing:-.02em;color:var(--t1)}
.nav-menu{
  display:flex;
  align-items:center;
  gap:24px;
  margin-right:auto;
}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:600;
  color:var(--t2);
  padding:6px 2px;
  transition:color .3s ease;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-2px;
  height:2px;
  border-radius:2px;
  background:var(--grad);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .3s ease;
}
.nav-link:hover{color:var(--t1)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand-dark)}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.hamburger{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  cursor:pointer;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
  transition:border-color .3s ease,background .3s ease;
}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--t1);transition:transform .3s ease,opacity .3s ease}
.hamburger:hover{border-color:rgba(255,90,30,.45);background:var(--brand-soft)}

/* 移动端抽屉 */
.drawer-backdrop{
  position:fixed;inset:0;
  background:rgba(20,23,26,.45);
  opacity:0;visibility:hidden;
  transition:opacity .3s ease,visibility .3s ease;
  z-index:180;
}
.drawer-backdrop.is-open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;
  top:0;right:0;bottom:0;
  width:min(360px,88vw);
  background:var(--bg);
  z-index:200;
  transform:translateX(102%);
  transition:transform .32s ease;
  padding:20px 20px 40px;
  overflow-y:auto;
  box-shadow:-24px 0 60px -34px rgba(20,23,26,.5);
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.drawer-close{
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  font-size:22px;
  line-height:1;
  color:var(--t2);
  cursor:pointer;
  transition:color .3s ease,border-color .3s ease,background .3s ease;
}
.drawer-close:hover{color:var(--brand-dark);background:var(--brand-soft);border-color:rgba(255,90,30,.45)}
.drawer-nav{display:grid;gap:6px;margin-bottom:24px}
.drawer-nav a{
  display:block;
  padding:13px 14px;
  border-radius:14px;
  font-size:16px;
  font-weight:600;
  color:var(--t2);
  border:1px solid transparent;
  transition:background .3s ease,color .3s ease,border-color .3s ease;
}
.drawer-nav a:hover{background:#fff;color:var(--brand-dark);border-color:var(--line)}
.drawer-nav a.active{background:var(--brand-soft);color:var(--brand-dark);border-color:rgba(255,90,30,.3)}
.drawer-contact{margin-top:24px;padding-top:20px;border-top:1px solid var(--line);font-size:14px;color:var(--t2);display:grid;gap:6px}

/* ==================== 分类页 Hero ==================== */
.cat-hero{
  position:relative;
  color:#fff;
  padding:104px 0 88px;
  overflow:hidden;
  background:
    linear-gradient(118deg,rgba(255,138,43,.9),rgba(255,90,30,.93) 46%,rgba(217,40,0,.95)),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.cat-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(560px 380px at 88% 10%,rgba(182,233,43,.24),transparent 70%);
  pointer-events:none;
}
.cat-hero .container{position:relative;z-index:2}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.82);
  margin-bottom:24px;
  flex-wrap:wrap;
}
.breadcrumb a{text-decoration:underline;text-underline-offset:3px}
.breadcrumb a:hover{color:#fff}
.hero-grid{
  display:grid;
  grid-template-columns:1.08fr .92fr;
  gap:56px;
  align-items:center;
}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:32px;
  padding:0 14px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.3);
  font-size:13px;
  font-weight:600;
  color:#fff;
  margin-bottom:20px;
}
.dot-lime{width:8px;height:8px;border-radius:50%;background:var(--lime);flex:0 0 auto}
.cat-hero h1{
  font-size:48px;
  line-height:1.12;
  margin-bottom:18px;
  max-width:16em;
}
.hero-sub{
  font-size:18px;
  color:rgba(255,255,255,.92);
  max-width:520px;
  margin-bottom:32px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-side{display:grid;gap:14px}
.hero-badge{
  display:flex;
  align-items:center;
  gap:16px;
  background:rgba(255,255,255,.96);
  border-radius:18px;
  padding:18px 22px;
  box-shadow:0 20px 44px -28px rgba(20,23,26,.6);
}
.hero-badge .num{
  font-size:28px;
  font-weight:900;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
  line-height:1;
  flex:0 0 auto;
}
.hero-badge .lbl{font-size:14px;color:var(--t2);line-height:1.5}
.hero-badge .lbl strong{display:block;color:var(--t1);font-size:15px;font-weight:700}

/* ==================== 年份胶囊 + 横向卡片列 ==================== */
.year-pills{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:32px}
.year-pill{
  height:44px;
  padding:0 22px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;
  font-size:15px;
  font-weight:700;
  color:var(--t2);
  cursor:pointer;
  font-variant-numeric:tabular-nums;
  transition:background .3s ease,color .3s ease,border-color .3s ease,box-shadow .3s ease,transform .3s ease;
}
.year-pill:hover{color:var(--brand-dark);border-color:rgba(255,90,30,.5);transform:translateY(-2px)}
.year-pill.is-active{
  background:var(--grad);
  color:#fff;
  border-color:transparent;
  box-shadow:0 16px 30px -18px rgba(255,90,30,.9);
}
.track{
  display:flex;
  gap:24px;
  overflow-x:auto;
  padding:4px 4px 26px;
  scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
}
.track::-webkit-scrollbar{height:8px}
.track::-webkit-scrollbar-track{background:transparent}
.track::-webkit-scrollbar-thumb{background:#DDD6CC;border-radius:var(--r-pill)}
.track-item{flex:0 0 348px;scroll-snap-align:start}
.ecard{
  display:flex;
  flex-direction:column;
  height:100%;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh1);
  transition:transform .3s ease,box-shadow .3s ease;
}
.ecard:hover{transform:translateY(-4px);box-shadow:var(--sh2)}
.ecard-media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:linear-gradient(140deg,#F1EEE9,#E6E1DA);
}
.ecard-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.ecard:hover .ecard-media img{transform:scale(1.04)}
.ecard-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.ecard-body h3{font-size:17px;line-height:1.4}
.ecard-body p{font-size:14px;color:var(--t2);line-height:1.7}
.ecard-foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:14px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--t3);
  font-variant-numeric:tabular-nums;
}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:700;
  color:var(--brand-dark);
  cursor:pointer;
}
.link-arrow svg{width:15px;height:15px;transition:transform .3s ease}
.link-arrow:hover svg{transform:translateX(3px)}

/* ==================== 瀑布流案例 ==================== */
.masonry{column-count:2;column-gap:24px}
.mcard{
  break-inside:avoid;
  display:block;
  margin-bottom:24px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh1);
  transition:transform .3s ease,box-shadow .3s ease;
}
.mcard:hover{transform:translateY(-4px);box-shadow:var(--sh2)}
.mcard-media{position:relative;overflow:hidden;background:linear-gradient(140deg,#F1EEE9,#E6E1DA)}
.mcard-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.mcard:hover .mcard-media img{transform:scale(1.04)}
.ratio-3-4{aspect-ratio:3/4}
.ratio-16-9{aspect-ratio:16/9}
.ratio-4-3{aspect-ratio:4/3}
.mcard-body{padding:26px}
.mcard-body h3{font-size:18px;margin-bottom:12px;line-height:1.4}
.mcard-body p{font-size:15px;color:var(--t2);line-height:1.8}
.spec-list{margin-top:16px;display:grid;gap:8px}
.spec-list li{
  position:relative;
  padding-left:15px;
  font-size:13px;
  color:var(--t3);
  font-variant-numeric:tabular-nums;
}
.spec-list li::before{
  content:"";
  position:absolute;
  left:0;top:9px;
  width:5px;height:5px;
  border-radius:50%;
  background:var(--brand);
}

/* ==================== 执行流程 ==================== */
.steps-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:24px}
.step{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px 24px;
  box-shadow:var(--sh1);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:rgba(255,90,30,.3)}
.step-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;height:40px;
  border-radius:13px;
  background:var(--brand-soft);
  color:var(--brand-dark);
  font-size:15px;
  font-weight:900;
  font-variant-numeric:tabular-nums;
  margin-bottom:18px;
}
.step h3{font-size:17px;margin-bottom:10px}
.step p{font-size:14px;color:var(--t2);line-height:1.75}

/* ==================== 数据徽章带 ==================== */
.stats-band{
  position:relative;
  background:var(--ink);
  border-radius:var(--r-lg);
  padding:56px 48px;
  color:#fff;
  overflow:hidden;
}
.stats-band::before{
  content:"";
  position:absolute;
  width:560px;height:560px;
  right:-180px;top:-240px;
  background:radial-gradient(circle,rgba(255,90,30,.5),transparent 66%);
  pointer-events:none;
}
.stats-head{
  position:relative;
  z-index:2;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  margin-bottom:40px;
}
.stats-head h2{font-size:26px;color:#fff;display:flex;align-items:center;gap:14px}
.stats-head p{font-size:14px;color:rgba(255,255,255,.6)}
.stats-grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:repeat(4,1fr);
}
.stat-item{padding:0 28px;border-left:1px solid rgba(182,233,43,.35)}
.stat-item:first-child{border-left:0;padding-left:0}
.stat-num{
  font-size:44px;
  font-weight:900;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
  line-height:1;
  margin-bottom:12px;
  display:flex;
  align-items:baseline;
  gap:4px;
}
.stat-num span{font-size:20px;color:rgba(255,255,255,.55);font-weight:800}
.stat-lbl{font-size:14px;color:rgba(255,255,255,.72);line-height:1.6}

/* ==================== FAQ ==================== */
.faq-layout{display:grid;grid-template-columns:1.55fr 1fr;gap:40px;align-items:start}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  margin-bottom:16px;
  overflow:hidden;
  box-shadow:var(--sh1);
  transition:border-color .3s ease,box-shadow .3s ease;
}
.faq-item:hover{border-color:rgba(255,90,30,.34)}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  gap:14px;
  padding:22px 24px;
  text-align:left;
  cursor:pointer;
  font-size:17px;
  font-weight:700;
  color:var(--t1);
  line-height:1.5;
}
.faq-q .dot{
  width:8px;height:8px;
  border-radius:50%;
  background:var(--brand);
  flex:0 0 auto;
}
.faq-q .chev{
  margin-left:auto;
  width:22px;height:22px;
  flex:0 0 auto;
  color:var(--t3);
  transition:transform .24s ease-out,color .24s ease-out;
}
.faq-item.is-open .faq-q .chev{transform:rotate(180deg);color:var(--brand-dark)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease-out}
.faq-a-inner{
  padding:0 24px 24px 46px;
  font-size:15px;
  color:var(--t2);
  line-height:1.85;
}
.aside-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:32px 28px;
  box-shadow:var(--sh1);
  position:sticky;
  top:calc(var(--nav-h) + 24px);
}
.aside-card h3{font-size:20px;margin-bottom:12px}
.aside-card p{font-size:15px;color:var(--t2);line-height:1.8;margin-bottom:20px}
.aside-meta{
  margin:18px 0 0;
  padding-top:18px;
  border-top:1px solid var(--line);
  font-size:14px;
  color:var(--t3);
  font-variant-numeric:tabular-nums;
}

/* ==================== 转化 CTA ==================== */
.cta-band{
  position:relative;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:48px;
  padding:56px;
  border-radius:var(--r-lg);
  background:
    radial-gradient(620px 420px at 92% 8%,rgba(182,233,43,.24),transparent 68%),
    linear-gradient(118deg,#FF8A2B,#FF5A1E 48%,#D92800);
  color:#fff;
  overflow:hidden;
}
.cta-copy{position:relative;z-index:2}
.cta-eyebrow{
  display:inline-flex;
  align-items:center;
  height:30px;
  padding:0 14px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.18);
  border:1px solid rgba(255,255,255,.32);
  font-size:13px;
  font-weight:600;
  margin-bottom:20px;
}
.cta-copy h2{font-size:32px;line-height:1.25;margin-bottom:16px;max-width:15em}
.cta-copy p{font-size:16px;color:rgba(255,255,255,.92);max-width:32em;margin-bottom:24px}
.cta-points{display:grid;gap:10px}
.cta-points li{
  position:relative;
  padding-left:24px;
  font-size:15px;
  color:rgba(255,255,255,.95);
}
.cta-points li::before{
  content:"";
  position:absolute;
  left:0;top:10px;
  width:9px;height:9px;
  border-radius:3px;
  background:var(--lime);
}
.cta-form-card{
  position:relative;
  z-index:2;
  background:#fff;
  border-radius:var(--r-card);
  padding:28px;
  box-shadow:0 30px 60px -34px rgba(20,23,26,.6);
}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}
.field label{font-size:13px;font-weight:700;color:var(--t2)}
.input{
  width:100%;
  height:48px;
  padding:0 16px;
  border-radius:var(--r-input);
  border:1px solid var(--line);
  background:var(--bg);
  color:var(--t1);
  transition:border-color .3s ease,box-shadow .3s ease,background .3s ease;
}
.input::placeholder{color:var(--t3)}
.input:focus{outline:none;background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,90,30,.35)}
textarea.input{height:auto;padding:12px 16px;resize:vertical;line-height:1.7}
select.input{appearance:none;cursor:pointer;background-image:linear-gradient(45deg,transparent 50%,var(--t2) 50%),linear-gradient(135deg,var(--t2) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.form-note{
  margin-top:12px;
  font-size:13px;
  color:var(--ok);
  min-height:20px;
  opacity:0;
  transition:opacity .3s ease;
}
.form-note.is-visible{opacity:1}

/* ==================== 页脚 ==================== */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.72);
  padding-top:72px;
  font-size:14px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .logo{margin-bottom:18px}
.footer-brand .logo-text{color:#fff}
.footer-brand p{color:rgba(255,255,255,.62);line-height:1.85;max-width:34em}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:18px;font-weight:700}
.footer-col li{margin-bottom:11px}
.footer-col a{color:rgba(255,255,255,.68);transition:color .3s ease}
.footer-col a:hover{color:var(--brand)}
.footer-col address{color:rgba(255,255,255,.68);line-height:1.9}
.qr-box{
  width:106px;height:106px;
  margin-top:18px;
  border:1px dashed rgba(255,255,255,.26);
  border-radius:14px;
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  font-size:12px;
  line-height:1.5;
  color:rgba(255,255,255,.5);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.5);
}

/* ==================== 响应式 ==================== */
@media (max-width:1199px){
  .steps-grid{grid-template-columns:repeat(3,1fr)}
  .cat-hero h1{font-size:42px}
  .stats-band{padding:48px 36px}
  .stat-item{padding:0 20px}
  .cta-band{padding:48px 40px;gap:36px}
}
@media (max-width:991px){
  :root{--nav-h:60px}
  .nav-menu{display:none}
  .hamburger{display:inline-flex}
  .section{padding:64px 0}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .cat-hero{padding:72px 0 64px}
  .cat-hero h1{font-size:36px}
  .hero-sub{font-size:17px}
  .hero-side{grid-template-columns:repeat(3,1fr)}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .aside-card{position:static}
  .cta-band{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:32px 0}
  .stat-item:nth-child(3){border-left:0;padding-left:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px}
}
@media (max-width:767px){
  .section{padding:48px 0}
  .section-head h2{font-size:24px}
  .masonry{column-count:1}
  .steps-grid{grid-template-columns:1fr}
  .track-item{flex:0 0 78vw}
  .cat-hero h1{font-size:30px}
  .hero-side{grid-template-columns:1fr}
  .hero-actions .btn{flex:1 1 100%}
  .cta-copy h2{font-size:24px}
  .cta-band{padding:32px 24px}
  .cta-form-card{padding:22px}
  .stats-band{padding:36px 24px}
  .stats-head h2{font-size:22px}
  .stat-num{font-size:34px}
  .faq-q{font-size:16px;padding:18px 18px}
  .faq-a-inner{padding:0 18px 20px 40px}
  .mcard-body{padding:22px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .header-cta{display:none}
  .container{padding:0 18px}
  .cat-hero h1{font-size:26px}
  .hero-sub{font-size:16px}
  .btn{height:46px;padding:0 20px;font-size:15px}
  .year-pill{height:40px;padding:0 16px;font-size:14px}
  .stat-item{padding:0 14px}
  .cta-copy h2{font-size:22px}
}

/* roulang page: category4 */
:root{
  --brand:#FF5A1E;
  --brand-dark:#C93A0B;
  --brand-soft:#FFF1EA;
  --lime:#B6E92B;
  --ink:#14171A;
  --ink-2:#23282E;
  --bg:#FBF9F6;
  --bg-2:#F1EEE9;
  --card:#FFFFFF;
  --line:#E6E1DA;
  --t1:#14171A;
  --t2:#5A5F66;
  --t3:#8A8F96;
  --ok:#12A150;
  --warn:#F2B01E;
  --err:#DC2B2B;
  --grad:linear-gradient(118deg,#FF8A2B,#FF5A1E 48%,#D92800);
  --r-card:20px;
  --r-lg:28px;
  --r-img:16px;
  --r-input:12px;
  --r-pill:999px;
  --sh1:0 1px 2px rgba(20,23,26,.04),0 8px 24px -12px rgba(20,23,26,.12);
  --sh2:0 24px 48px -24px rgba(255,90,30,.28);
  --nav-h:68px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--t1);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .25s ease;}
button{font-family:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.15;color:var(--t1);}
p{margin:0;}
:focus-visible{outline:3px solid rgba(255,90,30,.35);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 24px;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  font-size:15px;
  font-weight:700;
  line-height:1.2;
  white-space:nowrap;
  transition:transform .25s ease,background .25s ease,color .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.btn-primary{
  background:var(--grad);
  color:#fff;
  box-shadow:var(--sh2);
}
.btn-primary:hover{transform:translateY(-2px);background:linear-gradient(118deg,#FF7A1B,#F04E14 48%,#C82400);}
.btn-primary:active{transform:translateY(0);background:var(--brand-dark);}
.btn-ghost{
  background:transparent;
  color:var(--t1);
  border-color:var(--line);
}
.btn-ghost:hover{transform:translateY(-2px);background:var(--brand-soft);border-color:#FFCBB4;color:var(--brand-dark);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-lg{padding:15px 32px;font-size:16px;}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;}

.icon-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:42px;
  height:42px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;
  color:var(--t2);
  transition:background .25s ease,color .25s ease,border-color .25s ease,transform .25s ease;
}
.icon-btn:hover{background:var(--brand-soft);color:var(--brand);border-color:#FFCBB4;transform:translateY(-1px);}
.icon-btn svg{width:19px;height:19px;stroke:currentColor;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:90;
  background:rgba(251,249,246,.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.site-header.scrolled{
  background:rgba(251,249,246,.97);
  border-bottom-color:var(--line);
  box-shadow:var(--sh1);
}
.nav-wrap{
  height:var(--nav-h);
  display:flex;
  align-items:center;
  gap:24px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.logo-mark{
  width:34px;height:34px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:11px;
  background:var(--grad);
  color:#fff;
  font-size:17px;
  font-weight:800;
  box-shadow:0 8px 18px -10px rgba(255,90,30,.9);
}
.logo-text{
  font-size:19px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--t1);
}
.logo:hover .logo-text{color:var(--brand);}

.nav-menu{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:8px;
  flex:1;
  min-width:0;
}
.nav-link{
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 13px;
  border-radius:var(--r-pill);
  font-size:14.5px;
  font-weight:600;
  color:var(--t2);
  white-space:nowrap;
  transition:background .25s ease,color .25s ease;
}
.nav-link:hover{background:var(--brand-soft);color:var(--brand-dark);}
.nav-link.active{
  background:var(--ink);
  color:#fff;
}
.nav-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.menu-toggle{display:none;}
.menu-toggle .i-close{display:none;}
.menu-toggle[aria-expanded="true"] .i-menu{display:none;}
.menu-toggle[aria-expanded="true"] .i-close{display:block;}

/* ---------- 面包屑 ---------- */
.crumb-bar{
  padding:calc(var(--nav-h) + 28px) 0 0;
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--t3);
}
.breadcrumb a{color:var(--t2);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:#CFC8BF;}
.breadcrumb .current{color:var(--brand-dark);font-weight:700;}

/* ---------- 页首 ---------- */
.page-hero{padding:32px 0 0;}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) 336px;
  gap:56px;
  align-items:start;
}
.page-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 15px;
  border-radius:var(--r-pill);
  background:#fff;
  border:1px solid var(--line);
  font-size:13px;
  font-weight:700;
  color:var(--brand-dark);
  box-shadow:var(--sh1);
}
.page-badge .dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--lime);
  box-shadow:0 0 0 3px rgba(182,233,43,.25);
}
.page-hero h1{
  margin-top:20px;
  font-size:44px;
  line-height:1.16;
  max-width:16em;
}
.page-hero h1 em{
  font-style:normal;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.lead{
  margin-top:18px;
  font-size:17px;
  line-height:1.85;
  color:var(--t2);
  max-width:40em;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:28px;
}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:30px;
}
.stat-pill{
  display:inline-flex;
  align-items:center;
  gap:10px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:9px 18px;
  box-shadow:var(--sh1);
}
.stat-pill b{
  font-size:19px;
  font-weight:900;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
}
.stat-pill span{font-size:13px;color:var(--t2);}
.stat-pill i{
  width:8px;height:8px;border-radius:50%;
  background:var(--lime);
  display:inline-block;
}

/* ---------- 右侧粘性栏 ---------- */
.side-sticky{
  position:sticky;
  top:calc(var(--nav-h) + 24px);
  display:flex;
  flex-direction:column;
  gap:20px;
}
.side-figure{
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh1);
  background:var(--bg-2);
}
.side-figure img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
}
.toc-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px 22px 18px;
  box-shadow:var(--sh1);
}
.toc-card h2{
  font-size:15px;
  letter-spacing:.02em;
  color:var(--t1);
  display:flex;
  align-items:center;
  gap:9px;
}
.toc-card h2::before{
  content:"";
  width:4px;height:15px;
  border-radius:2px;
  background:var(--grad);
}
.toc-list{margin-top:14px;display:flex;flex-direction:column;}
.toc-link{
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 8px;
  border-radius:10px;
  font-size:14px;
  color:var(--t2);
  border-bottom:1px dashed var(--line);
  transition:background .25s ease,color .25s ease,padding-left .25s ease;
}
.toc-list li:last-child .toc-link{border-bottom:0;}
.toc-link:hover{background:var(--brand-soft);color:var(--brand-dark);padding-left:14px;}
.toc-link .num{
  font-size:12px;
  font-weight:900;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
}
.toc-note{
  margin-top:14px;
  padding:14px 16px;
  border-radius:14px;
  background:var(--bg-2);
  font-size:13px;
  line-height:1.7;
  color:var(--t2);
}
.toc-note strong{color:var(--t1);}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px;
}
.sec-title{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:26px;
}
.sec-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:34px;
  height:26px;
  padding:0 9px;
  border-radius:8px;
  background:var(--ink);
  color:#fff;
  font-size:13px;
  font-weight:900;
  font-variant-numeric:tabular-nums;
}
.sec-desc{font-size:14.5px;color:var(--t2);max-width:34em;}

/* ---------- 速查条 ---------- */
.quick-bar{
  margin-top:56px;
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:0;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh1);
}
.quick-item{
  padding:26px 24px;
  border-right:1px solid var(--line);
  transition:background .25s ease;
}
.quick-bar .quick-item:last-child{border-right:0;}
.quick-item:hover{background:var(--brand-soft);}
.quick-item h3{
  font-size:16px;
  display:flex;
  align-items:center;
  gap:9px;
}
.quick-item h3 svg{
  width:18px;height:18px;
  stroke:var(--brand);
  fill:none;
  stroke-width:1.9;
  stroke-linecap:round;
  stroke-linejoin:round;
  flex-shrink:0;
}
.quick-item p{
  margin-top:9px;
  font-size:13.5px;
  line-height:1.7;
  color:var(--t2);
}
.quick-item .tag{
  display:inline-block;
  margin-top:12px;
  padding:3px 10px;
  border-radius:var(--r-pill);
  background:rgba(182,233,43,.28);
  color:#4C6A00;
  font-size:12px;
  font-weight:700;
}

/* ---------- FAQ ---------- */
.faq-group{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:12px 28px 8px;
  box-shadow:var(--sh1);
  margin-bottom:24px;
}
.faq-group-head{
  display:flex;
  align-items:center;
  gap:14px;
  padding:20px 0 18px;
  border-bottom:1px solid var(--line);
}
.faq-group-head .g-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;height:38px;
  border-radius:12px;
  background:var(--grad);
  color:#fff;
  font-size:15px;
  font-weight:900;
  font-variant-numeric:tabular-nums;
  flex-shrink:0;
}
.faq-group-head h2{font-size:20px;}
.faq-group-head .g-desc{
  margin-left:auto;
  font-size:13px;
  color:var(--t3);
  white-space:nowrap;
}
.faq-item{border-bottom:1px solid var(--line);}
.faq-group .faq-item:last-child{border-bottom:0;}
.faq-q{
  width:100%;
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:22px 0;
  background:transparent;
  border:0;
  text-align:left;
  font-size:16.5px;
  font-weight:700;
  color:var(--t1);
  line-height:1.6;
  transition:color .25s ease;
}
.faq-q::before{
  content:"";
  width:9px;height:9px;
  border-radius:50%;
  background:var(--brand);
  margin-top:9px;
  flex-shrink:0;
}
.faq-q:hover{color:var(--brand-dark);}
.faq-q .chev{
  margin-left:auto;
  width:26px;height:26px;
  flex-shrink:0;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  border:1px solid var(--line);
  color:var(--t2);
  transition:transform .24s ease-out,background .24s ease,color .24s ease,border-color .24s ease;
  margin-top:3px;
}
.faq-q .chev svg{width:13px;height:13px;stroke:currentColor;fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;}
.faq-item.open .faq-q{color:var(--brand-dark);}
.faq-item.open .faq-q .chev{
  transform:rotate(180deg);
  background:var(--brand);
  border-color:var(--brand);
  color:#fff;
}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .24s ease-out;
}
.faq-a-inner{
  padding:0 0 24px 21px;
  font-size:15px;
  line-height:1.85;
  color:var(--t2);
  max-width:62em;
}
.faq-a-inner p + p{margin-top:10px;}
.faq-a-inner strong{color:var(--t1);}

/* ---------- 联系支持 ---------- */
.support-cta{
  margin-top:88px;
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  background:var(--ink);
  color:#fff;
  box-shadow:0 30px 60px -34px rgba(20,23,26,.7);
}
.support-cta::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(100deg,rgba(20,23,26,.96) 0%,rgba(20,23,26,.86) 46%,rgba(20,23,26,.62) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  opacity:.95;
}
.support-cta::after{
  content:"";
  position:absolute;
  width:520px;height:520px;
  right:-140px;top:-220px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,90,30,.55),rgba(255,90,30,0) 68%);
  pointer-events:none;
}
.support-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:48px;
  padding:52px 56px;
  align-items:center;
}
.support-inner h2{
  color:#fff;
  font-size:30px;
  line-height:1.2;
}
.support-inner .support-desc{
  margin-top:16px;
  font-size:15.5px;
  line-height:1.85;
  color:rgba(255,255,255,.78);
  max-width:34em;
}
.support-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:28px;
}
.support-cta .btn-ghost{
  color:#fff;
  border-color:rgba(255,255,255,.34);
}
.support-cta .btn-ghost:hover{
  background:rgba(255,255,255,.1);
  border-color:rgba(255,255,255,.6);
  color:#fff;
}
.info-list{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-card);
  padding:26px 28px;
}
.info-list li{
  display:flex;
  align-items:flex-start;
  gap:14px;
  padding:13px 0;
  border-bottom:1px dashed rgba(255,255,255,.16);
}
.info-list li:last-child{border-bottom:0;padding-bottom:0;}
.info-list li:first-child{padding-top:0;}
.info-list .ico{
  width:34px;height:34px;
  border-radius:11px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:rgba(255,90,30,.2);
  flex-shrink:0;
}
.info-list .ico svg{
  width:16px;height:16px;
  stroke:#FF8A4D;
  fill:none;
  stroke-width:1.9;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.info-list .k{font-size:12.5px;color:rgba(255,255,255,.6);}
.info-list .v{font-size:15px;font-weight:700;color:#fff;margin-top:2px;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;
  background:var(--ink);
  color:rgba(255,255,255,.72);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));
  gap:40px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand .logo{margin-bottom:18px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand p{
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.62);
  max-width:32em;
}
.footer-col h3{
  font-size:15px;
  color:#fff;
  margin-bottom:16px;
}
.footer-col ul li{margin-bottom:11px;}
.footer-col a{
  font-size:14px;
  color:rgba(255,255,255,.66);
}
.footer-col a:hover{color:var(--brand);}
.footer-col address{
  font-style:normal;
  font-size:14px;
  line-height:1.9;
  color:rgba(255,255,255,.66);
}
.qr-box{
  margin-top:16px;
  width:96px;height:96px;
  border-radius:14px;
  border:1px dashed rgba(255,255,255,.28);
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  font-size:12px;
  line-height:1.5;
  color:rgba(255,255,255,.55);
  background:rgba(255,255,255,.04);
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  padding:22px 0 26px;
  font-size:13px;
  color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (min-width:1440px){
  .container{max-width:1320px;padding:0 32px;}
  .page-hero h1{font-size:48px;}
}
@media (max-width:1199px){
  .hero-grid{grid-template-columns:minmax(0,1fr) 300px;gap:40px;}
  .quick-bar{grid-template-columns:repeat(2,minmax(0,1fr));}
  .quick-item:nth-child(2){border-right:0;}
  .quick-item:nth-child(1),
  .quick-item:nth-child(2){border-bottom:1px solid var(--line);}
}
@media (max-width:991px){
  .nav-menu{
    position:fixed;
    top:var(--nav-h);
    right:0;
    width:100%;
    max-width:420px;
    height:calc(100vh - var(--nav-h));
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    padding:22px 24px 40px;
    margin-left:0;
    background:#fff;
    border-left:1px solid var(--line);
    box-shadow:-20px 0 40px -30px rgba(20,23,26,.4);
    transform:translateX(102%);
    transition:transform .3s ease;
    overflow-y:auto;
    z-index:95;
  }
  .nav-menu.open{transform:translateX(0);}
  .nav-link{
    height:auto;
    padding:14px 16px;
    font-size:16px;
    border-radius:14px;
    border:1px solid var(--line);
  }
  .menu-toggle{display:inline-flex;}
  .nav-actions .btn-sm{display:none;}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:36px;}
  .side-sticky{position:static;}
  .side-figure{max-width:520px;}
  .page-hero h1{font-size:36px;}
  .section{padding:64px 0 0;}
  .sec-title{font-size:22px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .support-inner{grid-template-columns:minmax(0,1fr);gap:32px;padding:44px 36px;}
  .support-inner h2{font-size:26px;}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .container{padding:0 20px;}
  .crumb-bar{padding-top:calc(var(--nav-h) + 20px);}
  .page-hero{padding-top:24px;}
  .page-hero h1{font-size:30px;}
  .lead{font-size:15.5px;}
  .section{padding:48px 0 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;margin-bottom:24px;}
  .sec-title{font-size:20px;}
  .quick-bar{grid-template-columns:minmax(0,1fr);}
  .quick-item{border-right:0;border-bottom:1px solid var(--line);}
  .quick-bar .quick-item:last-child{border-bottom:0;}
  .faq-group{padding:8px 18px 6px;border-radius:var(--r-card);}
  .faq-group-head{flex-wrap:wrap;gap:10px;}
  .faq-group-head .g-desc{margin-left:0;width:100%;white-space:normal;}
  .faq-q{font-size:15.5px;padding:18px 0;}
  .faq-a-inner{padding-left:0;font-size:14.5px;}
  .support-cta{margin-top:56px;}
  .support-inner{padding:34px 22px;}
  .support-inner h2{font-size:22px;}
  .support-actions .btn{width:100%;}
  .info-list{padding:22px 20px;}
  .site-footer{padding-top:48px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:479px){
  .page-hero h1{font-size:26px;}
  .hero-stats .stat-pill{width:100%;justify-content:flex-start;}
  .hero-actions .btn{width:100%;}
  .logo-text{font-size:17px;}
}

/* roulang page: category5 */
:root{
  --brand:#FF5A1E;
  --brand-dark:#C93A0B;
  --brand-soft:#FF8A2B;
  --lime:#B6E92B;
  --ink:#14171A;
  --ink-2:#23282E;
  --bg:#FBF9F6;
  --bg-2:#F1EEE9;
  --card:#FFFFFF;
  --line:#E6E1DA;
  --text:#14171A;
  --text-2:#5A5F66;
  --text-3:#8A8F96;
  --ok:#12A150;
  --warn:#F2B01E;
  --err:#DC2B2B;
  --grad:linear-gradient(118deg,#FF8A2B,#FF5A1E 48%,#D92800);
  --r-img:16px;
  --r-card:20px;
  --r-big:28px;
  --r-input:12px;
  --sh-1:0 1px 2px rgba(20,23,26,.04),0 8px 24px -12px rgba(20,23,26,.12);
  --sh-2:0 24px 48px -24px rgba(255,90,30,.28);
  --nav-h:68px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.15;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
address{font-style:normal}
:focus-visible{outline:3px solid rgba(255,90,30,.35);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
@media (min-width:1440px){.container{max-width:1320px;padding:0 32px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  height:var(--nav-h);
  display:flex;align-items:center;
  background:rgba(251,249,246,.88);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid transparent;
  transition:background-color .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.site-header.scrolled{background:#fff;border-bottom-color:var(--line);box-shadow:0 10px 30px -22px rgba(20,23,26,.42)}
.header-inner{display:flex;align-items:center;gap:20px;width:100%;height:var(--nav-h)}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:var(--text);flex:none}
.logo-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:17px;font-weight:800;flex:none;
  box-shadow:0 10px 20px -12px rgba(255,90,30,.7);
}
.logo-text{white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-link{
  padding:9px 13px;border-radius:999px;font-size:14.5px;font-weight:600;color:var(--text-2);
  transition:color .22s ease,background-color .22s ease;white-space:nowrap;
}
.nav-link:hover{color:var(--brand-dark);background:rgba(255,90,30,.08)}
.nav-link.active{color:var(--brand-dark);background:rgba(255,90,30,.12)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px;flex:none}
.icon-btn{
  width:42px;height:42px;border-radius:999px;border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;color:var(--text-2);transition:color .22s ease,border-color .22s ease,transform .22s ease;
}
.icon-btn:hover{color:var(--brand);border-color:rgba(255,90,30,.4);transform:translateY(-1px)}
.hamburger{display:none;width:44px;height:44px;border-radius:999px;border:1px solid var(--line);background:#fff;place-items:center;color:var(--text)}
.hamburger span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative}
.hamburger span::before,.hamburger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px}
.hamburger span::before{top:-6px}
.hamburger span::after{top:6px}
.search-panel{
  position:absolute;left:0;right:0;top:var(--nav-h);
  background:#fff;border-bottom:1px solid var(--line);
  box-shadow:0 24px 40px -32px rgba(20,23,26,.4);
  padding:18px 0;display:none;
}
.search-panel.open{display:block}
.search-form{display:flex;gap:12px;align-items:center}
.search-form input{
  flex:1;min-height:46px;border-radius:var(--r-input);border:1px solid var(--line);
  background:var(--bg);padding:0 16px;font-size:15px;transition:border-color .2s ease,box-shadow .2s ease;
}
.search-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,90,30,.18);background:#fff}
.nav-backdrop{
  position:fixed;inset:var(--nav-h) 0 0 0;background:rgba(20,23,26,.45);
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;z-index:70;
}
.nav-backdrop.show{opacity:1;visibility:visible}
body.menu-open{overflow:hidden}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;white-space:nowrap;
  transition:transform .25s ease,filter .25s ease,background-color .25s ease,border-color .25s ease,color .25s ease,box-shadow .25s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh-2)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(.94)}
.btn-primary:active{transform:translateY(0);filter:brightness(.88)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{background:rgba(255,90,30,.08);border-color:rgba(255,90,30,.4);color:var(--brand-dark);transform:translateY(-2px)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}

/* ---------- common blocks ---------- */
.section{padding:96px 0}
.section-tight{padding:64px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:30px;margin:14px 0 12px}
.section-head p{color:var(--text-2);font-size:16px}
.sec-badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:rgba(255,90,30,.1);color:var(--brand-dark);font-size:13px;font-weight:800;
  font-variant-numeric:tabular-nums;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:rgba(255,90,30,.1);color:var(--brand-dark);font-size:13px;font-weight:700;
}
.eyebrow i{display:block;width:6px;height:6px;border-radius:999px;background:var(--lime)}
.crumbs{display:flex;align-items:center;gap:8px;padding-top:24px;font-size:13px;color:var(--text-3);flex-wrap:wrap}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:var(--line)}
.crumbs .now{color:var(--text-2);font-weight:600}
.tick-list li{position:relative;padding-left:18px;font-size:14px;color:var(--text-2);margin-top:6px}
.tick-list li::before{content:"";position:absolute;left:0;top:.62em;width:7px;height:7px;border-radius:999px;background:var(--brand)}

/* ---------- hero ---------- */
.hero-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
  padding:56px 0 8px;
}
.hero-copy h1{font-size:48px;margin:18px 0 16px;max-width:12em}
.hero-sub{font-size:17px;color:var(--text-2);max-width:32em}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.hero-badges{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}
.hero-badges li{
  display:flex;align-items:baseline;gap:8px;padding:10px 18px;border-radius:999px;
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-1);
}
.hero-badges strong{font-size:20px;font-weight:900;color:var(--brand);font-variant-numeric:tabular-nums}
.hero-badges span{font-size:13px;color:var(--text-2)}
.hero-visual{position:relative;border-radius:var(--r-big);overflow:hidden;background:var(--bg-2);box-shadow:var(--sh-1)}
.hero-visual img{width:100%;aspect-ratio:6/5;object-fit:cover}
.hero-visual::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(118deg,rgba(255,138,43,.3),rgba(217,40,0,.2));
}
.float-card{
  position:absolute;left:22px;right:22px;bottom:22px;z-index:2;
  background:rgba(255,255,255,.96);border:1px solid var(--line);border-radius:18px;
  padding:16px 18px;box-shadow:var(--sh-1);
}
.float-tag{
  display:inline-block;font-size:12px;font-weight:800;color:var(--brand-dark);
  background:rgba(255,90,30,.12);padding:3px 10px;border-radius:999px;margin-bottom:8px;
}
.float-card p{font-size:14px;color:var(--text-2)}

/* ---------- stat wall ---------- */
.stat-wall{
  position:relative;overflow:hidden;background:var(--ink);color:#fff;
  border-radius:var(--r-big);padding:48px;
}
.stat-wall::before{
  content:"";position:absolute;width:560px;height:560px;right:-180px;top:-260px;
  background:radial-gradient(circle,rgba(255,90,30,.44),transparent 68%);pointer-events:none;
}
.stat-wall::after{
  content:"";position:absolute;width:420px;height:420px;left:-160px;bottom:-240px;
  background:radial-gradient(circle,rgba(182,233,43,.16),transparent 70%);pointer-events:none;
}
.stat-head{position:relative;margin-bottom:36px;max-width:560px}
.stat-head h2{font-size:26px;color:#fff;margin-bottom:10px}
.stat-head p{font-size:14px;color:rgba(255,255,255,.66)}
.stat-list{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-list li{
  border-left:1px solid rgba(182,233,43,.6);padding-left:20px;
  opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease;
}
.stat-wall.in .stat-list li{opacity:1;transform:none}
.stat-wall.in .stat-list li:nth-child(1){transition-delay:.05s}
.stat-wall.in .stat-list li:nth-child(2){transition-delay:.14s}
.stat-wall.in .stat-list li:nth-child(3){transition-delay:.23s}
.stat-wall.in .stat-list li:nth-child(4){transition-delay:.32s}
.stat-num{font-size:44px;font-weight:900;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.1}
.stat-unit{font-size:15px;color:rgba(255,255,255,.6);margin-left:6px;font-weight:600}
.stat-list p{font-size:13.5px;color:rgba(255,255,255,.72);margin-top:8px}

/* ---------- certificates ---------- */
.cert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.cert-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.cert-card:hover{transform:translateY(-4px);box-shadow:var(--sh-1);border-color:rgba(255,90,30,.35)}
.cert-media{position:relative;aspect-ratio:3/4;overflow:hidden;background:linear-gradient(160deg,#F1EEE9,#E6E1DA)}
.cert-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.cert-card:hover .cert-media img{transform:scale(1.04)}
.cert-no{
  position:absolute;left:14px;top:14px;padding:4px 10px;border-radius:999px;
  background:rgba(20,23,26,.78);color:#fff;font-size:12px;font-weight:700;font-variant-numeric:tabular-nums;
}
.cert-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.cert-body h3{font-size:17px}
.cert-body p{font-size:14px;color:var(--text-2)}

/* ---------- team ---------- */
.member-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.member-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 22px;text-align:center;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.member-card:hover{transform:translateY(-4px);box-shadow:var(--sh-1);border-color:rgba(255,90,30,.3)}
.avatar{
  width:96px;height:96px;border-radius:999px;object-fit:cover;margin:0 auto 16px;
  border:3px solid #fff;box-shadow:0 0 0 1px var(--line);
}
.member-card h3{font-size:17px;margin-bottom:6px}
.member-role{display:inline-block;font-size:12.5px;font-weight:700;color:var(--brand-dark);background:rgba(255,90,30,.1);padding:3px 10px;border-radius:999px;margin-bottom:12px}
.member-card p{font-size:13.5px;color:var(--text-2)}

/* ---------- flow ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.flow-item{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:26px 22px}
.flow-item::after{
  content:"";position:absolute;top:46px;right:-24px;width:24px;height:2px;background:var(--line);
}
.flow-item:last-child::after{display:none}
.flow-num{
  width:40px;height:40px;border-radius:999px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:16px;font-weight:900;font-variant-numeric:tabular-nums;
  margin-bottom:16px;box-shadow:0 12px 22px -14px rgba(255,90,30,.8);
}
.flow-item h3{font-size:16.5px;margin-bottom:8px}
.flow-item p{font-size:14px;color:var(--text-2)}

/* ---------- visit ---------- */
.visit-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:48px;align-items:center}
.info-list{margin-top:24px}
.info-list li{display:flex;gap:16px;padding:14px 0;border-bottom:1px dashed var(--line);flex-wrap:wrap}
.info-list span{color:var(--text-3);font-size:14px;min-width:88px;flex:none}
.info-list strong{font-size:15px;font-weight:700;color:var(--text)}
.visit-grid .btn{margin-top:28px}
.visit-media{position:relative;border-radius:var(--r-big);overflow:hidden;box-shadow:var(--sh-1);background:var(--bg-2)}
.visit-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.visit-note{
  position:absolute;left:18px;right:18px;bottom:18px;
  background:rgba(255,255,255,.96);border:1px solid var(--line);border-radius:16px;
  padding:14px 16px;font-size:13.5px;color:var(--text-2);
}

/* ---------- faq ---------- */
.faq-grid{display:grid;grid-template-columns:1.65fr 1fr;gap:32px;align-items:start}
.acc-item{
  background:#fff;border:1px solid var(--line);border-radius:18px;
  margin-bottom:12px;overflow:hidden;transition:border-color .24s ease,box-shadow .24s ease;
}
.acc-item.open{border-color:rgba(255,90,30,.4);box-shadow:var(--sh-1)}
.acc-head{
  position:relative;width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px 18px 36px;background:transparent;border:0;text-align:left;
  font-size:16px;font-weight:700;color:var(--text);
}
.acc-head::before{
  content:"";position:absolute;left:18px;top:50%;width:8px;height:8px;border-radius:999px;
  background:var(--brand);transform:translateY(-50%);
}
.acc-arrow{flex:none;display:grid;place-items:center;color:var(--text-3);transition:transform .24s ease}
.acc-item.open .acc-arrow{transform:rotate(180deg);color:var(--brand)}
.acc-body{max-height:0;overflow:hidden;transition:max-height .24s ease-out}
.acc-item.open .acc-body{max-height:340px}
.acc-body p{padding:0 20px 20px 36px;font-size:15px;color:var(--text-2)}
.faq-aside{
  background:var(--ink);color:#fff;border-radius:var(--r-card);padding:28px;
  position:sticky;top:calc(var(--nav-h) + 24px);
}
.faq-aside h3{font-size:18px;color:#fff;margin-bottom:12px}
.faq-aside p{font-size:14px;color:rgba(255,255,255,.7);margin-bottom:20px}
.faq-aside .btn{margin-bottom:20px}
.faq-aside ul{border-top:1px solid rgba(255,255,255,.14);padding-top:18px}
.faq-aside li{font-size:13.5px;color:rgba(255,255,255,.72);padding-left:16px;position:relative;margin-bottom:10px}
.faq-aside li::before{content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:999px;background:var(--lime)}

/* ---------- cta ---------- */
.cta-bar{
  position:relative;overflow:hidden;border-radius:var(--r-big);background:var(--grad);color:#fff;
  padding:48px;display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;
}
.cta-bar::before{
  content:"";position:absolute;width:480px;height:480px;left:-150px;bottom:-260px;
  background:radial-gradient(circle,rgba(255,255,255,.24),transparent 70%);pointer-events:none;
}
.cta-copy{position:relative}
.cta-copy h2{font-size:30px;color:#fff;margin-bottom:14px}
.cta-copy p{font-size:15.5px;color:rgba(255,255,255,.9);max-width:30em}
.cta-points{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.cta-points li{
  font-size:13px;font-weight:700;padding:7px 14px;border-radius:999px;
  background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.28);
}
.cta-form{
  position:relative;background:#fff;border-radius:22px;padding:24px;
  display:grid;gap:12px;box-shadow:0 30px 60px -34px rgba(20,23,26,.6);
}
.field{display:grid;gap:6px}
.field label{font-size:13px;font-weight:700;color:var(--text-2)}
.field input,.field select,.field textarea{
  width:100%;background:var(--bg);border:1px solid var(--line);border-radius:var(--r-input);
  padding:11px 14px;font-size:15px;transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.field textarea{resize:vertical;min-height:64px}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(255,90,30,.18);
}
.form-hint{font-size:13px;color:var(--ok);min-height:18px}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding-top:64px;margin-top:8px}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:44px;
}
.site-footer .logo{color:#fff;margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.85;max-width:340px}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:18px;font-weight:800}
.footer-col ul li{margin-bottom:11px}
.footer-col a{font-size:14px;transition:color .22s ease}
.footer-col a:hover{color:var(--brand)}
.footer-col address{font-size:14px;line-height:2.05}
.qr-box{
  margin-top:18px;width:112px;height:112px;border:1px dashed rgba(255,255,255,.34);
  border-radius:14px;display:grid;place-items:center;text-align:center;
  font-size:12px;line-height:1.6;color:rgba(255,255,255,.6);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- responsive ---------- */
@media (max-width:1439px){
  .hero-copy h1{font-size:44px}
}
@media (max-width:1199px){
  .section{padding:64px 0}
  .hero-grid{gap:32px;padding-top:44px}
  .hero-copy h1{font-size:38px}
  .cert-grid,.member-grid{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr)}
  .flow-item::after{display:none}
  .visit-grid{grid-template-columns:1fr;gap:32px}
  .faq-grid{grid-template-columns:1fr}
  .faq-aside{position:static}
  .cta-bar{grid-template-columns:1fr;padding:40px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:991px){
  :root{--nav-h:60px}
  .hamburger{display:grid}
  .nav-menu{
    position:fixed;top:var(--nav-h);right:0;bottom:0;width:min(320px,86vw);
    background:#fff;flex-direction:column;align-items:stretch;gap:6px;
    padding:20px;margin-left:0;overflow-y:auto;z-index:75;
    transform:translateX(105%);transition:transform .3s ease;
    box-shadow:-24px 0 48px -30px rgba(20,23,26,.5);
  }
  .nav-menu.open{transform:translateX(0)}
  .nav-link{padding:14px 16px;font-size:16px;border-radius:14px}
  .header-actions .btn-sm{display:none}
  .stat-list{grid-template-columns:repeat(2,1fr)}
  .stat-wall{padding:36px 28px}
  .stat-num{font-size:38px}
  .hero-badges{margin-top:24px}
}
@media (max-width:767px){
  .section{padding:48px 0}
  .hero-grid{grid-template-columns:1fr;padding-top:32px;gap:28px}
  .hero-copy h1{font-size:32px}
  .hero-sub{font-size:16px}
  .hero-actions .btn{flex:1 1 auto}
  .float-card{left:14px;right:14px;bottom:14px;padding:14px}
  .section-head h2{font-size:24px}
  .cta-copy h2{font-size:24px}
  .cta-bar{padding:28px 22px;border-radius:22px}
  .cta-form{padding:20px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .cert-grid,.member-grid,.flow{grid-template-columns:1fr}
}
@media (max-width:519px){
  .container{padding:0 18px}
  .hero-copy h1{font-size:28px}
  .stat-list{grid-template-columns:1fr;gap:20px}
  .stat-wall{padding:28px 20px;border-radius:22px}
  .hero-badges li{width:100%;justify-content:flex-start}
  .btn{width:100%}
  .icon-btn,.hamburger{width:44px;height:44px;flex:none}
  .header-actions .btn-sm{display:none}
  .search-form{flex-direction:column;align-items:stretch}
}