/* roulang page: index */
:root{
  --ink:#0F1214;
  --ink-2:#1A1F21;
  --lime:#C8F04A;
  --lime-dark:#B7E23A;
  --coral:#D63B18;
  --coral-dark:#BF3313;
  --bg:#F5F6F3;
  --surface:#FFFFFF;
  --line:#E4E7E1;
  --muted:#5B6462;
  --muted-2:#8A918E;
  --green-deep:#2C6E5C;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-card:0 1px 2px rgba(15,18,20,.06),0 10px 26px -16px rgba(15,18,20,.22);
  --shadow-hover:0 2px 4px rgba(15,18,20,.08),0 18px 36px -18px rgba(15,18,20,.34);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:0;
  color:var(--ink);
  background:var(--bg);
}
img{max-width:100%;display:block;border-radius:var(--radius-img);}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,h5,p,figure{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}
.num{font-variant-numeric:tabular-nums;letter-spacing:.02em;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
@media (max-width:640px){.container{padding:0 16px;}}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:90;background:var(--surface);border-bottom:1px solid var(--line);transition:box-shadow .2s ease-out;}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(15,18,20,.08);}
.header-top__inner{display:flex;align-items:center;gap:20px;min-height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand__mark{width:26px;height:26px;border-radius:8px;background:var(--ink);position:relative;flex:0 0 auto;}
.brand__mark::after{content:"";position:absolute;left:6px;top:11px;width:14px;height:4px;border-radius:2px;background:var(--lime);}
.brand__text{font-size:19px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;}
.brand__text em{font-style:normal;color:var(--muted);font-size:13px;font-weight:600;margin-left:4px;letter-spacing:0;}
.header-search{flex:1 1 auto;max-width:400px;display:flex;align-items:center;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-btn);overflow:hidden;transition:border-color .18s ease-out,box-shadow .18s ease-out;}
.header-search:focus-within{border-color:var(--ink);box-shadow:0 0 0 3px rgba(200,240,74,.55);}
.header-search input{flex:1 1 auto;border:0;background:transparent;height:42px;padding:0 14px;font-size:14px;outline:none;min-width:0;}
.header-search input::placeholder{color:var(--muted-2);}
.header-search button{border:0;background:var(--ink);color:#fff;height:42px;padding:0 16px;font-size:14px;font-weight:700;cursor:pointer;transition:background .18s ease-out;}
.header-search button:hover{background:var(--green-deep);}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.header-link{font-size:14px;color:var(--muted);padding:8px 4px;border-bottom:2px solid transparent;transition:color .18s ease-out,border-color .18s ease-out;}
.header-link:hover{color:var(--ink);border-bottom-color:var(--lime);}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);background:var(--surface);border-radius:10px;align-items:center;justify-content:center;cursor:pointer;}
.nav-toggle svg{width:20px;height:20px;}
.nav-tabs{border-top:1px solid var(--line);}
.nav-tabs__inner{display:flex;align-items:center;gap:6px;overflow-x:auto;scroll-snap-type:x proximity;scrollbar-width:none;-ms-overflow-style:none;height:48px;}
.nav-tabs__inner::-webkit-scrollbar{display:none;}
.nav-tab{flex:0 0 auto;scroll-snap-align:start;display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;font-size:15px;font-weight:600;color:var(--muted);white-space:nowrap;transition:color .18s ease-out,background .18s ease-out;}
.nav-tab:hover{color:var(--ink);background:#EEF1EA;}
.nav-tab.is-active{background:var(--lime);color:var(--ink);}
@media (max-width:900px){
  .header-search{display:none;}
  .header-search.is-open{display:flex;position:absolute;left:16px;right:16px;top:60px;max-width:none;z-index:99;background:var(--surface);box-shadow:var(--shadow-card);}
  .nav-toggle{display:inline-flex;}
  .header-link{display:none;}
  .header-top__inner{position:relative;min-height:56px;gap:12px;}
}
@media (max-width:768px){
  .site-header{position:static;}
  .brand__text{font-size:17px;}
  .brand__text em{display:none;}
  .nav-tabs__inner{height:44px;}
}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 22px;border-radius:var(--radius-btn);font-size:15px;font-weight:700;border:1.5px solid transparent;cursor:pointer;white-space:nowrap;transition:background .18s ease-out,color .18s ease-out,transform .18s ease-out,border-color .18s ease-out;}
.btn--lime{background:var(--lime);color:var(--ink);}
.btn--lime:hover{background:var(--lime-dark);transform:translateY(-1px);}
.btn--lime:active{transform:translateY(1px);}
.btn--coral{background:var(--coral);color:#fff;}
.btn--coral:hover{background:var(--coral-dark);transform:translateY(-1px);}
.btn--coral:active{transform:translateY(1px);}
.btn--ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn--ghost:hover{background:var(--ink);color:#fff;}
.btn--light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff;}
.btn--light:hover{background:#fff;color:var(--ink);border-color:#fff;}
.btn--sm{min-height:36px;padding:0 14px;font-size:13px;border-radius:8px;}

/* ---------- 首屏 ---------- */
.hero{position:relative;background:var(--ink);color:#fff;overflow:hidden;padding:64px 0 72px;}
.hero::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(114deg,rgba(200,240,74,.06) 0 1px,transparent 1px 15px);pointer-events:none;}
.hero__inner{position:relative;z-index:1;display:grid;grid-template-columns:56% 44%;gap:40px;align-items:center;}
.hero__kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--lime);border:1px solid rgba(200,240,74,.35);border-radius:999px;padding:5px 14px;margin-bottom:20px;}
.hero__title{font-size:clamp(30px,4.2vw,52px);font-weight:800;line-height:1.18;letter-spacing:-.01em;}
.hero__title span{color:var(--lime);}
.hero__sub{margin-top:18px;font-size:17px;line-height:1.8;color:#C7CCC9;max-width:560px;}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero__stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:40px;border-top:1px solid rgba(255,255,255,.14);padding-top:24px;}
.hero__stat b{display:block;font-size:24px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;letter-spacing:.02em;}
.hero__stat span{display:block;font-size:13px;color:#8A918E;margin-top:2px;}
.hero__visual{position:relative;border-radius:18px;overflow:hidden;min-height:360px;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;box-shadow:0 24px 60px -30px rgba(0,0,0,.8);}
.hero__visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,18,20,.15),rgba(15,18,20,.72));}
.hero__card{position:absolute;left:20px;right:20px;bottom:20px;z-index:2;background:rgba(255,255,255,.96);border-radius:var(--radius-card);padding:14px;display:flex;gap:14px;align-items:center;color:var(--ink);box-shadow:var(--shadow-card);}
.hero__card img{width:96px;height:96px;object-fit:cover;border-radius:10px;flex:0 0 auto;}
.hero__card h3{font-size:16px;font-weight:800;line-height:1.4;}
.hero__card p{font-size:13px;color:var(--muted);margin-top:4px;}
.hero__card .btn{margin-top:10px;}
.tag{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.06em;border-radius:6px;padding:3px 8px;}
.tag--lime{background:var(--lime);color:var(--ink);}
.tag--soft{background:#EEF1EA;color:var(--green-deep);}
@media (max-width:1024px){
  .hero__inner{grid-template-columns:1fr;gap:32px;}
  .hero__visual{min-height:300px;}
}
@media (max-width:640px){
  .hero{padding:40px 0 48px;}
  .hero__stats{grid-template-columns:repeat(2,1fr);gap:14px;}
  .hero__card img{width:72px;height:72px;}
  .hero__actions .btn{flex:1 1 auto;}
}

/* ---------- 板块头 ---------- */
.section{padding:80px 0;}
.section--surface{background:var(--surface);}
.section--tight{padding-top:0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;flex-wrap:wrap;}
.section-head__title{position:relative;padding-top:14px;font-size:clamp(23px,3vw,34px);font-weight:800;letter-spacing:-.01em;line-height:1.3;}
.section-head__title::before{content:"";position:absolute;top:0;left:0;width:44px;height:3px;border-radius:2px;background:var(--lime);}
.section-head__sub{margin-top:10px;font-size:15px;color:var(--muted);max-width:720px;}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:700;color:var(--ink);border-bottom:2px solid var(--lime);padding-bottom:3px;transition:gap .18s ease-out;}
.link-arrow:hover{gap:14px;}
@media (max-width:1024px){.section{padding:64px 0;}}
@media (max-width:640px){.section{padding:44px 0;}.section-head{margin-bottom:20px;}}

/* ---------- 商品 / 内容卡 ---------- */
.pcard{display:flex;flex-direction:column;height:100%;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;}
.pcard:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#D3D9CD;}
.card-row{margin-bottom:24px;}
.pcard__media{position:relative;display:block;overflow:hidden;aspect-ratio:4/3;background:#ECEEEB;}
.pcard__media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .3s ease-out;}
.pcard:hover .pcard__media img{transform:scale(1.04);}
.badge{position:absolute;top:10px;left:10px;z-index:2;background:var(--ink);color:#fff;font-size:12px;font-weight:700;letter-spacing:.06em;border-radius:6px;padding:4px 8px;}
.badge--lime{background:var(--lime);color:var(--ink);}
.pcard__body{display:flex;flex-direction:column;gap:10px;padding:16px;flex:1 1 auto;}
.pcard__title{font-size:17px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:51px;}
.pcard__title a:hover{color:var(--green-deep);}
.pcard__specs{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--muted);}
.pcard__specs li{display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px dashed var(--line);padding-top:6px;}
.pcard__specs b{color:var(--ink);font-weight:700;}
.pcard__foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line);}
.pcard__price{font-size:18px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:.02em;}
.pcard__price small{font-size:12px;font-weight:600;color:var(--muted-2);margin-left:2px;}
.pcard:hover .btn--ghost{background:var(--coral);border-color:var(--coral);color:#fff;}

/* ---------- 频道入口 ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.channel-card{display:flex;flex-direction:column;gap:10px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:22px;box-shadow:var(--shadow-card);transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;}
.channel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--lime);}
.channel-card__idx{font-size:13px;font-weight:800;color:var(--green-deep);letter-spacing:.08em;font-variant-numeric:tabular-nums;}
.channel-card h3{font-size:19px;font-weight:800;}
.channel-card p{font-size:14px;color:var(--muted);line-height:1.7;}
.channel-card__go{margin-top:auto;font-size:14px;font-weight:700;color:var(--ink);display:inline-flex;align-items:center;gap:6px;border-bottom:2px solid var(--lime);padding-bottom:2px;align-self:flex-start;}

/* ---------- 评价 ---------- */
.reviews__track{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.review-card{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:22px 22px 22px 26px;box-shadow:var(--shadow-card);}
.review-card::before{content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;border-radius:3px;background:var(--lime);}
.review-card__stars{color:var(--coral);font-size:14px;letter-spacing:2px;}
.review-card__text{margin-top:12px;font-size:15px;color:var(--ink);line-height:1.8;}
.review-card__who{display:flex;align-items:center;gap:12px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line);}
.avatar{width:40px;height:40px;border-radius:50%;background:var(--green-deep);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;flex:0 0 auto;}
.review-card__who b{display:block;font-size:14px;font-weight:700;}
.review-card__who span{display:block;font-size:12px;color:var(--muted-2);}
@media (max-width:1024px){.reviews__track{grid-template-columns:repeat(2,1fr);}}
@media (max-width:640px){
  .reviews__track{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px;}
  .review-card{flex:0 0 86%;scroll-snap-align:start;}
}

/* ---------- 保障条 ---------- */
.guarantee{background:var(--ink);color:#fff;padding:56px 0;}
.guarantee__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;}
.guarantee__item{padding:0 24px;border-left:1px solid rgba(255,255,255,.14);}
.guarantee__item:first-child{border-left:0;padding-left:0;}
.guarantee__item svg{width:28px;height:28px;stroke:var(--lime);stroke-width:1.75;fill:none;stroke-linecap:round;stroke-linejoin:round;}
.guarantee__item h3{font-size:16px;font-weight:800;margin-top:14px;}
.guarantee__item p{font-size:13px;color:#A9B0AD;margin-top:6px;line-height:1.7;}
@media (max-width:900px){
  .guarantee__grid{grid-template-columns:repeat(2,1fr);gap:28px 0;}
  .guarantee__item:nth-child(3){border-left:0;padding-left:0;}
}
@media (max-width:640px){.guarantee{padding:40px 0;}.guarantee__item{padding:0 16px;}.guarantee__item:first-child,.guarantee__item:nth-child(3){padding-left:0;}}

/* ---------- 最新信息 ---------- */
.news-list{display:flex;flex-direction:column;gap:18px;}
.icard{display:grid;grid-template-columns:40% 60%;gap:18px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;}
.icard:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#D3D9CD;}
.icard__thumb{display:block;overflow:hidden;background:#ECEEEB;aspect-ratio:16/10;}
.icard__thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .3s ease-out;}
.icard:hover .icard__thumb img{transform:scale(1.04);}
.icard__main{padding:16px 18px 16px 0;display:flex;flex-direction:column;gap:8px;}
.icard__cat{align-self:flex-start;font-size:12px;font-weight:700;letter-spacing:.06em;border-radius:6px;padding:3px 8px;background:#EEF1EA;color:var(--green-deep);}
.icard__title{font-size:18px;font-weight:800;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.icard__title a:hover{color:var(--green-deep);}
.icard__desc{font-size:14px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.icard__meta{margin-top:auto;display:flex;align-items:center;gap:14px;font-size:13px;color:var(--muted-2);font-variant-numeric:tabular-nums;}
@media (max-width:640px){
  .icard{grid-template-columns:1fr;}
  .icard__main{padding:0 16px 16px 16px;}
}
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;text-align:center;background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius-card);padding:52px 24px;}
.empty-state svg{width:34px;height:34px;stroke:var(--muted-2);stroke-width:1.75;fill:none;stroke-linecap:round;stroke-linejoin:round;}
.empty-state p{font-size:15px;color:var(--muted);}

.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:20px;box-shadow:var(--shadow-card);}
.side-card + .side-card{margin-top:20px;}
.side-card h3{font-size:16px;font-weight:800;padding-bottom:12px;border-bottom:1px solid var(--line);margin-bottom:14px;}
.side-list li + li{margin-top:10px;}
.side-list a{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:14px;color:var(--muted);padding:6px 0;transition:color .18s ease-out,padding-left .18s ease-out;}
.side-list a:hover{color:var(--ink);padding-left:4px;}
.side-list b{font-size:13px;color:var(--muted-2);font-variant-numeric:tabular-nums;font-weight:700;}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;}
.tag-cloud a{font-size:13px;padding:5px 12px;border-radius:999px;background:var(--bg);border:1px solid var(--line);color:var(--muted);transition:all .18s ease-out;}
.tag-cloud a:hover{background:var(--lime);border-color:var(--lime);color:var(--ink);}

/* ---------- FAQ ---------- */
.faq{max-width:900px;margin:0 auto;}
.faq__item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);margin-bottom:12px;overflow:hidden;position:relative;transition:border-color .18s ease-out;}
.faq__item.is-open{border-color:#CBD3C6;}
.faq__item.is-open::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--lime);}
.faq__q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:48px;padding:14px 20px;background:transparent;border:0;text-align:left;font-size:16px;font-weight:700;cursor:pointer;transition:color .18s ease-out;}
.faq__q:hover{color:var(--green-deep);}
.faq__icon{flex:0 0 auto;width:22px;height:22px;border-radius:50%;background:var(--bg);display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:800;line-height:1;color:var(--ink);}
.faq__item.is-open .faq__icon{background:var(--lime);}
.faq__a{max-height:0;overflow:hidden;transition:max-height .3s ease-out;}
.faq__item.is-open .faq__a{max-height:300px;}
.faq__a p{padding:0 20px 18px 20px;font-size:15px;color:var(--muted);line-height:1.8;}

/* ---------- 底部 CTA ---------- */
.cta-band{background:var(--ink-2);color:#fff;padding:72px 0;position:relative;overflow:hidden;}
.cta-band::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(114deg,rgba(200,240,74,.05) 0 1px,transparent 1px 15px);pointer-events:none;}
.cta-band__inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;}
.cta-band h2{font-size:clamp(23px,3vw,34px);font-weight:800;line-height:1.3;}
.cta-band__sub{margin-top:14px;font-size:15px;color:#A9B0AD;line-height:1.8;}
.cta-points{margin-top:24px;display:flex;flex-direction:column;gap:10px;}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:#C7CCC9;}
.cta-points li::before{content:"";width:16px;height:2px;border-radius:2px;background:var(--lime);margin-top:11px;flex:0 0 auto;}
.cta-form{background:var(--surface);border-radius:var(--radius-card);padding:24px;color:var(--ink);box-shadow:var(--shadow-card);}
.cta-form__row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px;font-weight:600;}
.field input,.field select,.field textarea{width:100%;height:44px;border:1px solid var(--line);border-radius:var(--radius-btn);padding:0 14px;background:var(--surface);outline:none;transition:border-color .18s ease-out,box-shadow .18s ease-out;}
.field textarea{height:88px;padding:10px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--ink);box-shadow:0 0 0 3px rgba(200,240,74,.55);}
.field input::placeholder,.field textarea::placeholder{color:var(--muted-2);}
.cta-form .btn{width:100%;}
.cta-form__note{margin-top:12px;font-size:12px;color:var(--muted-2);line-height:1.7;}
@media (max-width:900px){
  .cta-band{padding:52px 0;}
  .cta-band__inner{grid-template-columns:1fr;gap:32px;}
}
@media (max-width:640px){.cta-form{padding:18px;}.cta-form__row{grid-template-columns:1fr;gap:0;}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#C7CCC9;padding:64px 0 0;}
.footer-grid{gap:0;}
.footer-col{padding:0 16px 24px 16px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;}
.footer-brand .brand__mark{background:#fff;}
.footer-brand .brand__mark::after{background:var(--ink);}
.footer-brand b{font-size:18px;font-weight:800;}
.footer-about{margin-top:14px;font-size:14px;line-height:1.8;color:#8A918E;max-width:320px;}
.footer-col h4{font-size:15px;font-weight:800;color:#fff;margin-bottom:16px;}
.footer-links li + li{margin-top:10px;}
.footer-links a{font-size:14px;color:#C7CCC9;transition:color .18s ease-out;}
.footer-links a:hover{color:var(--lime);}
.footer-meta li{font-size:14px;line-height:1.8;color:#8A918E;}
.footer-meta li + li{margin-top:8px;}
.footer-meta b{color:#fff;font-weight:700;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;margin-top:24px;}
.footer-bottom__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8A918E;}
.footer-bottom__inner a{color:#8A918E;}
.footer-bottom__inner a:hover{color:var(--lime);}
@media (max-width:640px){
  .site-footer{padding:44px 0 0;}
  .footer-col{padding:0 0 24px 0;}
  .footer-bottom__inner{flex-direction:column;align-items:flex-start;gap:8px;}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --ink:#0F1214;
  --ink-2:#1A1F21;
  --lime:#C8F04A;
  --lime-dark:#B7E23A;
  --coral:#D63B18;
  --coral-dark:#BF3313;
  --bg:#F5F6F3;
  --surface:#FFFFFF;
  --line:#E4E7E1;
  --muted:#5B6462;
  --muted-2:#8A918E;
  --green-deep:#2C6E5C;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-card:0 1px 2px rgba(15,18,20,.06), 0 10px 26px -16px rgba(15,18,20,.22);
  --shadow-hover:0 2px 6px rgba(15,18,20,.08), 0 18px 38px -18px rgba(15,18,20,.32);
  --font-cn:"PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit;margin:0}
button{cursor:pointer;background:none;border:0}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
b,strong{font-weight:700}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--lime);
  outline-offset:2px;
  border-radius:6px;
}
.num{font-variant-numeric:tabular-nums;letter-spacing:.02em}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease-out;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(15,18,20,.10)}
.header-top{position:relative}
.header-top__inner{display:flex;align-items:center;gap:22px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand__mark{
  width:26px;height:26px;border-radius:8px;background:var(--ink);position:relative;display:inline-block;flex:0 0 auto;
}
.brand__mark::before,.brand__mark::after{
  content:"";position:absolute;left:6px;height:3px;border-radius:2px;background:var(--lime);
}
.brand__mark::before{right:6px;top:8px}
.brand__mark::after{right:11px;top:15px}
.brand__text{font-size:18px;font-weight:800;letter-spacing:-.01em;line-height:1}
.brand__text em{font-style:normal;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--muted);margin-left:6px;vertical-align:2px}
.header-search{
  flex:1 1 auto;max-width:420px;display:flex;align-items:center;
  border:1px solid var(--line);border-radius:var(--radius-btn);background:var(--bg);overflow:hidden;
}
.header-search input[type=search]{
  flex:1 1 auto;height:42px;border:0;background:transparent;padding:0 14px;font-size:14px;outline:none;
}
.header-search input[type=search]::placeholder{color:var(--muted-2)}
.header-search button{
  height:42px;padding:0 18px;background:var(--ink);color:#fff;font-size:14px;font-weight:700;transition:background .18s ease-out;
}
.header-search button:hover{background:var(--ink-2)}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.header-link{font-size:14px;color:var(--muted);padding:6px 2px;border-bottom:2px solid transparent;transition:color .18s ease-out}
.header-link:hover{color:var(--ink);border-bottom-color:var(--lime)}
.nav-toggle{
  display:none;align-items:center;justify-content:center;width:44px;height:44px;border-radius:var(--radius-btn);
  border:1px solid var(--line);color:var(--ink);background:var(--surface);
}
.nav-toggle svg{width:20px;height:20px}
.nav-toggle:hover{border-color:var(--ink)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;border:1.5px solid transparent;
  transition:background .18s ease-out,color .18s ease-out,transform .18s ease-out,border-color .18s ease-out;
  white-space:nowrap;
}
.btn--sm{height:38px;padding:0 16px;font-size:14px}
.btn--lime{background:var(--lime);color:var(--ink)}
.btn--lime:hover{background:var(--lime-dark);transform:translateY(-1px)}
.btn--lime:active{transform:translateY(0)}
.btn--coral{background:var(--coral);color:#fff}
.btn--coral:hover{background:var(--coral-dark);transform:translateY(-1px)}
.btn--coral:active{transform:translateY(0)}
.btn--ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn--ghost:hover{background:var(--ink);color:#fff}

.nav-tabs{background:var(--surface);border-top:1px solid var(--line)}
.nav-tabs__inner{
  display:flex;align-items:center;gap:8px;height:46px;
  overflow-x:auto;scroll-snap-type:x proximity;-ms-overflow-style:none;scrollbar-width:none;
}
.nav-tabs__inner::-webkit-scrollbar{display:none}
.nav-tab{
  flex:0 0 auto;scroll-snap-align:start;
  padding:6px 15px;border-radius:999px;font-size:14px;color:var(--muted);
  box-shadow:inset 0 -2px 0 transparent;transition:color .18s ease-out,background .18s ease-out,box-shadow .18s ease-out;
  min-height:32px;display:inline-flex;align-items:center;
}
.nav-tab:hover{color:var(--ink);box-shadow:inset 0 -2px 0 var(--lime)}
.nav-tab.is-active{background:var(--lime);color:var(--ink);font-weight:700;box-shadow:none}

/* ============ 面包屑 ============ */
.article-topbar{padding:22px 0 0}
.breadcrumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted-2)}
.breadcrumbs a{color:var(--muted-2);transition:color .18s ease-out}
.breadcrumbs a:hover{color:var(--ink)}
.breadcrumbs__current{color:var(--muted);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ============ 文章头部 ============ */
.article-head{max-width:860px;margin:26px auto 0}
.badge{
  display:inline-block;padding:4px 10px;border-radius:6px;
  background:var(--green-deep);color:#fff;
  font-size:12px;font-weight:700;letter-spacing:.06em;line-height:1.6;
}
.article-title{
  font-size:clamp(26px,3.6vw,40px);
  font-weight:800;letter-spacing:-.01em;line-height:1.3;
  margin:14px 0 16px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:var(--muted)}
.article-meta b{color:var(--ink);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.article-meta__dot{width:4px;height:4px;border-radius:50%;background:var(--muted-2);display:inline-block}
.article-meta__cat{color:var(--green-deep);font-weight:700}
.article-cover{
  max-width:860px;margin:28px auto 0;
  border-radius:var(--radius-img);overflow:hidden;background:var(--ink-2);
  aspect-ratio:16/9;
}
.article-cover img{width:100%;height:100%;object-fit:cover}

/* ============ 正文布局 ============ */
.article-shell{
  display:grid;
  grid-template-columns:minmax(0,780px) 250px;
  gap:44px;
  justify-content:center;
  align-items:start;
  max-width:1160px;
  margin:44px auto 0;
  padding:0 24px;
}
.article-body{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:42px 46px;
  box-shadow:var(--shadow-card);
  overflow-wrap:break-word;
  overflow-x:auto;
}
.article-body p{font-size:16.5px;line-height:1.9;margin-bottom:1.2em}
.article-body h2{
  position:relative;font-size:clamp(20px,2.2vw,26px);font-weight:800;line-height:1.42;
  margin:2em 0 .8em;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:2px;background:var(--lime);
}
.article-body h3{font-size:20px;font-weight:700;line-height:1.5;margin:1.7em 0 .6em}
.article-body h4{font-size:17px;font-weight:700;margin:1.4em 0 .5em}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.5em;list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{font-size:16px;line-height:1.85;margin-bottom:.55em}
.article-body blockquote{
  margin:1.6em 0;padding:16px 22px;background:var(--bg);
  border-left:3px solid var(--ink);border-radius:0 10px 10px 0;color:var(--muted);
}
.article-body blockquote p{margin:0;font-size:15.5px}
.article-body img{border-radius:var(--radius-img);margin:1.6em auto;height:auto}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--muted-2);text-align:center;margin-top:10px}
.article-body a{color:var(--ink);border-bottom:2px solid var(--lime);transition:background .18s ease-out}
.article-body a:hover{background:rgba(200,240,74,.35)}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;
  font-variant-numeric:tabular-nums;letter-spacing:.02em;border:1px solid var(--line);
}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:var(--bg);font-weight:700}
.article-body pre{
  background:var(--ink);color:#E8EDE9;border-radius:var(--radius-img);
  padding:18px 20px;overflow-x:auto;font-size:14px;line-height:1.7;margin:1.6em 0;
}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}

/* 目录 */
.toc{
  position:sticky;top:96px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:18px 16px 14px;box-shadow:var(--shadow-card);
}
.toc h2{
  font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--muted);
  margin-bottom:12px;padding-left:0;
}
.toc__list li{margin:0}
.toc__list a{
  display:block;font-size:14px;line-height:1.55;color:var(--muted);
  padding:8px 10px;border-left:3px solid transparent;border-radius:0 8px 8px 0;
  transition:color .18s ease-out,background .18s ease-out,border-color .18s ease-out;
}
.toc__list a:hover{color:var(--ink);background:var(--bg)}
.toc__list a.is-active{color:var(--ink);font-weight:600;border-left-color:var(--lime);background:var(--bg)}
.toc-mobile{display:none;margin-bottom:20px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:6px 18px}
.toc-mobile summary{
  font-size:14px;font-weight:700;padding:14px 0;cursor:pointer;list-style:none;
  display:flex;align-items:center;justify-content:space-between;
}
.toc-mobile summary::-webkit-details-marker{display:none}
.toc-mobile summary::after{content:"＋";color:var(--muted);font-weight:700}
.toc-mobile[open] summary::after{content:"－"}
.toc-mobile .toc__list{padding-bottom:12px}

/* 空态 */
.empty-state{
  text-align:center;padding:64px 24px;border:1px dashed var(--line);
  border-radius:var(--radius-card);background:var(--bg);
}
.empty-state h2{font-size:20px;font-weight:800;margin-bottom:8px}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:22px}

/* 标签与分享 */
.article-foot{margin-top:36px}
.article-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.article-tags__label{font-size:13px;color:var(--muted-2);font-weight:700;letter-spacing:.04em}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  background:var(--surface);border:1px solid var(--line);font-size:13px;color:var(--muted);
  transition:border-color .18s ease-out,color .18s ease-out,transform .18s ease-out;
}
.tag:hover{border-color:var(--ink);color:var(--ink);transform:translateY(-2px)}
.article-share{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:20px;padding-top:20px;border-top:1px solid var(--line);
}
.article-share__label{font-size:13px;color:var(--muted-2);font-weight:700;letter-spacing:.04em}
.share-btn{
  display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 16px;border-radius:var(--radius-btn);
  border:1.5px solid var(--line);background:var(--surface);font-size:14px;color:var(--muted);
  transition:border-color .18s ease-out,color .18s ease-out,background .18s ease-out;
}
.share-btn:hover{border-color:var(--ink);color:var(--ink)}
.share-btn svg{width:16px;height:16px}
.share-toast{font-size:13px;color:var(--green-deep);font-weight:700;opacity:0;transition:opacity .2s ease-out}
.share-toast.is-visible{opacity:1}

/* 相关推荐 */
.related{margin-top:72px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.section-head h2{font-size:clamp(22px,2.4vw,30px);font-weight:800;letter-spacing:-.01em}
.more-link{font-size:14px;color:var(--muted);border-bottom:2px solid var(--lime);padding-bottom:2px;transition:color .18s ease-out}
.more-link:hover{color:var(--ink)}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#D6DAD3}
.card__media{aspect-ratio:4/3;overflow:hidden;background:var(--ink-2)}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.card:hover .card__media img{transform:scale(1.04)}
.card__body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1 1 auto}
.card__badge{
  align-self:flex-start;font-size:12px;font-weight:700;letter-spacing:.06em;
  color:var(--green-deep);background:rgba(44,110,92,.10);padding:3px 9px;border-radius:6px;margin-bottom:10px;
}
.card__title{font-size:17px;font-weight:700;line-height:1.5;margin-bottom:8px}
.card__desc{
  font-size:14px;line-height:1.72;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card__meta{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  margin-top:auto;padding-top:14px;font-size:13px;color:var(--muted-2);font-variant-numeric:tabular-nums;
}
.card__meta b{color:var(--ink);font-weight:700}

/* 上一篇 / 下一篇 */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:56px}
.post-nav__item{
  display:block;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:20px 22px;
  transition:border-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
}
.post-nav__item:hover{border-color:var(--ink);transform:translateY(-2px);box-shadow:var(--shadow-card)}
.post-nav__label{display:block;font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--muted-2);margin-bottom:8px}
.post-nav__title{display:block;font-size:16px;font-weight:700;line-height:1.55}
.post-nav__item--next{text-align:right}
.back-channel{margin-top:34px;text-align:center;font-size:14px}
.back-channel a{color:var(--muted);border-bottom:2px solid var(--lime);padding-bottom:2px}
.back-channel a:hover{color:var(--ink)}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#C7CCC9;margin-top:84px;padding-top:56px}
.site-footer .grid-x{display:flex;flex-wrap:wrap;margin:0 -16px}
.site-footer .grid-margin-x > .cell{margin-left:0;margin-right:0}
.site-footer .footer-col{padding:0 16px;margin-bottom:30px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:800;margin-bottom:14px}
.footer-about{font-size:14px;line-height:1.85;color:#9AA19E}
.footer-col h4{font-size:15px;color:#fff;font-weight:700;margin-bottom:16px}
.footer-links li,.footer-meta li{font-size:14px;margin-bottom:10px;color:#9AA19E;line-height:1.7}
.footer-links a{transition:color .18s ease-out}
.footer-links a:hover{color:var(--lime)}
.footer-meta b{color:#E4E7E1;font-weight:600}
.footer-bottom{border-top:1px solid rgba(255,255,255,.10);margin-top:26px;padding:20px 0}
.footer-bottom__inner{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:#8A918E}

/* ============ 响应式 ============ */
@media (max-width:1080px){
  .article-shell{grid-template-columns:minmax(0,1fr);max-width:860px;gap:0}
  .toc{display:none}
  .toc-mobile{display:block}
}
@media (max-width:900px){
  .header-top__inner{height:56px;gap:14px}
  .header-search{display:none}
  .header-search.is-open{
    display:flex;position:absolute;left:16px;right:16px;top:calc(100% + 10px);
    max-width:none;background:#fff;box-shadow:0 14px 34px -14px rgba(15,18,20,.42);z-index:90;
  }
  .header-actions .header-link,.header-actions .btn--lime{display:none}
  .nav-toggle{display:inline-flex}
  .nav-tabs__inner{height:44px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .article-shell{padding:0 16px}
  .article-body{padding:26px 20px;overflow-x:auto}
  .article-body p{font-size:16px;line-height:1.88}
  .article-body table{font-size:14px}
  .article-cover{aspect-ratio:4/3}
  .breadcrumbs__current{max-width:180px}
  .post-nav{grid-template-columns:1fr;gap:14px}
  .post-nav__item--next{text-align:left}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px}
  .site-footer{padding-top:44px;margin-top:64px}
  .footer-bottom__inner{flex-direction:column;gap:6px}
}
@media (max-width:520px){
  .brand__text{font-size:16px}
  .brand__text em{display:block;margin:2px 0 0;font-size:11px}
  .btn--sm{height:36px;padding:0 13px;font-size:13px}
  .article-title{font-size:26px}
  .article-shell{margin-top:30px}
  .related{margin-top:52px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}
@media print{
  .site-header,.site-footer,.toc,.toc-mobile,.related,.post-nav,.article-share{display:none !important}
  body{background:#fff}
  .article-body{border:0;box-shadow:none;padding:0}
}

/* roulang page: category1 */
:root{
  --ink:#0F1214;
  --ink-2:#1A1F21;
  --lime:#C8F04A;
  --lime-hover:#B7E23A;
  --coral:#D63B18;
  --coral-hover:#BF3313;
  --bg:#F5F6F3;
  --surface:#FFFFFF;
  --line:#E4E7E1;
  --muted:#5B6462;
  --muted-2:#8A918E;
  --green-deep:#2C6E5C;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-card:0 1px 2px rgba(15,18,20,.06),0 10px 26px -16px rgba(15,18,20,.22);
  --shadow-hover:0 2px 4px rgba(15,18,20,.07),0 18px 36px -18px rgba(15,18,20,.3);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:800;line-height:1.28;letter-spacing:-.01em;color:inherit}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block;height:auto;border:0}
a{color:inherit;text-decoration:none;background-color:transparent}
button,input,select,textarea{font-family:inherit;font-size:inherit;margin:0}
button{cursor:pointer}
.container{width:100%;max-width:var(--container);margin:0 auto;padding-left:24px;padding-right:24px}
.num,.hero__stats b,.data-card b,.stat-inline b{font-variant-numeric:tabular-nums;letter-spacing:.02em}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:2px solid var(--lime);outline-offset:2px}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s ease}
.site-header.is-scrolled{box-shadow:0 6px 20px -12px rgba(15,18,20,.3)}
.header-top{background:#fff}
.header-top__inner{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand__mark{position:relative;width:28px;height:28px;border-radius:9px;background:var(--ink);flex:0 0 auto}
.brand__mark::after{content:"";position:absolute;left:7px;top:7px;width:14px;height:14px;border-radius:4px;background:var(--lime)}
.brand__text{font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--ink);white-space:nowrap}
.brand__text em{font-style:normal;font-weight:600;font-size:13px;color:var(--muted);margin-left:6px}
.header-search{display:flex;align-items:center;flex:1 1 auto;max-width:420px;height:40px;border:1px solid var(--line);border-radius:999px;background:#fff;overflow:hidden;transition:border-color .18s,box-shadow .18s}
.header-search:focus-within{border-color:var(--ink);box-shadow:0 0 0 3px rgba(200,240,74,.5)}
.header-search input{flex:1 1 auto;min-width:0;border:0;height:100%;padding:0 18px;background:transparent;font-size:14px;color:var(--ink);outline:none}
.header-search input::placeholder{color:var(--muted-2)}
.header-search button{border:0;height:100%;padding:0 20px;background:var(--lime);color:var(--ink);font-size:14px;font-weight:700;transition:background .18s}
.header-search button:hover{background:var(--lime-hover)}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto}
.header-link{font-size:14px;font-weight:600;color:var(--muted);padding:0 6px;transition:color .18s}
.header-link:hover{color:var(--ink)}
.nav-toggle{display:none;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink)}
.nav-toggle svg{width:20px;height:20px}
.nav-tabs{border-top:1px solid var(--line);background:#fff}
.nav-tabs__inner{display:flex;align-items:center;gap:6px;height:46px;overflow-x:auto;scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.nav-tabs__inner::-webkit-scrollbar{display:none}
.nav-tab{flex:0 0 auto;scroll-snap-align:start;height:32px;line-height:32px;padding:0 16px;border-radius:999px;font-size:14.5px;font-weight:600;color:var(--muted);white-space:nowrap;transition:color .18s,background .18s,box-shadow .18s}
.nav-tab:hover{color:var(--ink);box-shadow:inset 0 -2px 0 var(--lime)}
.nav-tab.is-active{background:var(--lime);color:var(--ink)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border:1.5px solid transparent;border-radius:var(--radius-btn);font-size:15px;font-weight:700;white-space:nowrap;transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease}
.btn--sm{height:38px;padding:0 16px;font-size:13.5px;border-radius:9px}
.btn--lime{background:var(--lime);color:var(--ink)}
.btn--lime:hover{background:var(--lime-hover);transform:translateY(-1px)}
.btn--coral{background:var(--coral);color:#fff}
.btn--coral:hover{background:var(--coral-hover);transform:translateY(-1px)}
.btn--ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn--ghost:hover{background:var(--ink);color:#fff}
.btn--ghost-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn--ghost-light:hover{background:#fff;border-color:#fff;color:var(--ink)}
.btn:active{transform:translateY(1px)}

/* ---------- 通用板块 ---------- */
.section{padding-top:80px;padding-bottom:80px}
.section--tight{padding-top:64px;padding-bottom:64px}
.section--surface{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--dark{background:var(--ink);color:#fff}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.04em;color:var(--green-deep);margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--lime)}
.eyebrow--light{color:var(--lime)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px}
.section-head h2{font-size:clamp(23px,3vw,34px)}
.section-head .lead{margin-top:10px;font-size:15px;color:var(--muted);max-width:640px}
.section--dark .section-head .lead{color:#A9B0AD}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:700;color:var(--ink);box-shadow:inset 0 -2px 0 var(--lime);padding-bottom:2px;transition:box-shadow .18s ease}
.text-link:hover{box-shadow:inset 0 -2px 0 var(--lime),0 2px 0 0 var(--lime)}
.section--dark .text-link{color:#fff}

/* ---------- 首屏 ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink);color:#fff}
.hero__bg{position:absolute;inset:0;background-image:url(/assets/images/backpic/back-1.webp);background-size:cover;background-position:center;opacity:.34}
.hero__veil{position:absolute;inset:0;background:rgba(15,18,20,.58)}
.hero__lines{position:absolute;inset:0;background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 1px,transparent 1px 34px);opacity:.9}
.hero__inner{position:relative;z-index:2;padding-top:88px;padding-bottom:72px}
.hero__box{max-width:760px}
.hero h1{font-size:clamp(30px,4.2vw,52px);line-height:1.18;color:#fff}
.hero__sub{margin-top:20px;font-size:17px;line-height:1.8;color:#C7CCC9;max-width:620px}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero__stats{display:flex;flex-wrap:wrap;gap:36px;margin-top:40px;padding-top:26px;border-top:1px solid rgba(255,255,255,.16)}
.hero__stats li{min-width:120px}
.hero__stats b{display:block;font-size:28px;font-weight:800;color:var(--lime);line-height:1.2}
.hero__stats span{display:block;margin-top:4px;font-size:13px;color:rgba(255,255,255,.72)}

/* ---------- 网格 ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}

/* ---------- 能力卡 ---------- */
.feature-card{background:var(--surface);border:1px solid var(--line);border-top:3px solid var(--lime);border-radius:var(--radius-card);padding:26px 24px 28px;box-shadow:var(--shadow-card);transition:transform .18s ease,box-shadow .18s ease}
.feature-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.feature-icon{display:flex;align-items:center;justify-content:center;width:46px;height:46px;border-radius:12px;background:var(--ink);color:var(--lime);margin-bottom:18px}
.feature-icon svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}
.feature-card h3{font-size:19px;margin-bottom:10px}
.feature-card p{font-size:14.5px;color:var(--muted);line-height:1.78}

/* ---------- 场景卡 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.scene-card{position:relative;display:flex;align-items:flex-end;min-height:300px;border-radius:var(--radius-card);overflow:hidden;background:var(--ink);box-shadow:var(--shadow-card)}
.scene-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.74;transition:transform .4s ease}
.scene-card:hover img{transform:scale(1.04)}
.scene-card__body{position:relative;z-index:2;width:100%;padding:24px;color:#fff;background:linear-gradient(to top,rgba(15,18,20,.94) 34%,rgba(15,18,20,0))}
.scene-card__body h3{font-size:19px;color:#fff;margin-bottom:8px}
.scene-card__body p{font-size:14px;color:#C7CCC9;line-height:1.75}
.scene-tag{display:inline-block;margin-bottom:12px;padding:4px 10px;border-radius:6px;font-size:12px;font-weight:700;letter-spacing:.05em;background:rgba(200,240,74,.9);color:var(--ink)}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;counter-reset:step}
.step{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:26px 22px;box-shadow:var(--shadow-card);transition:transform .18s ease,box-shadow .18s ease}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.step__no{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:10px;background:var(--green-deep);color:#fff;font-size:15px;font-weight:800;font-variant-numeric:tabular-nums;margin-bottom:16px}
.step h3{font-size:18px;margin-bottom:8px}
.step p{font-size:14.5px;color:var(--muted);line-height:1.78}

/* ---------- 数据条 ---------- */
.data-band{background:var(--ink);color:#fff}
.data-band .section-head h2{color:#fff}
.data-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.data-card{background:var(--ink-2);border-top:3px solid var(--lime);border-radius:var(--radius-card);padding:24px 22px}
.data-card b{display:block;font-size:32px;font-weight:800;color:var(--lime);line-height:1.15}
.data-card span{display:block;margin-top:8px;font-size:13.5px;color:#A9B0AD}
.data-card em{display:block;margin-top:12px;font-style:normal;font-size:13px;color:#7C8481;line-height:1.7}

/* ---------- 评价 ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.quote{background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--lime);border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-card);transition:transform .18s ease,box-shadow .18s ease}
.quote:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.quote__stars{display:flex;gap:4px;color:var(--lime);margin-bottom:14px}
.quote__stars svg{width:16px;height:16px;fill:currentColor}
.quote p{font-size:15px;color:var(--ink);line-height:1.8}
.quote__who{display:flex;align-items:center;gap:12px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.quote__avatar{width:42px;height:42px;border-radius:50%;background:var(--green-deep);color:#fff;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;flex:0 0 auto}
.quote__who b{display:block;font-size:14.5px}
.quote__who span{display:block;font-size:13px;color:var(--muted-2)}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;margin:0 auto}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden;transition:box-shadow .18s ease}
.faq-item[open]{box-shadow:inset 3px 0 0 var(--lime),var(--shadow-card)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px;padding:14px 22px;cursor:pointer;font-size:16px;font-weight:700;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:22px;font-weight:400;line-height:1;color:var(--muted);flex:0 0 auto}
.faq-item[open] summary::after{content:"−";color:var(--ink)}
.faq-answer{padding:0 22px 20px;font-size:15px;color:var(--muted);line-height:1.8;border-top:1px solid var(--line);padding-top:16px}

/* ---------- CTA ---------- */
.cta-panel{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;background:var(--ink);border-radius:20px;padding:56px;color:#fff;position:relative;overflow:hidden}
.cta-panel__lines{position:absolute;inset:0;background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 1px,transparent 1px 34px);pointer-events:none}
.cta-panel__text{position:relative;z-index:2}
.cta-panel h2{font-size:clamp(23px,3vw,34px);color:#fff}
.cta-panel p{margin-top:14px;font-size:15.5px;color:#C7CCC9;max-width:520px}
.cta-list{margin-top:22px;display:grid;gap:10px}
.cta-list li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:#E3E7E4}
.cta-list li::before{content:"";flex:0 0 auto;width:8px;height:8px;margin-top:9px;border-radius:2px;background:var(--lime)}
.cta-form{position:relative;z-index:2;background:#fff;border-radius:16px;padding:28px;color:var(--ink)}
.cta-form h3{font-size:19px;margin-bottom:6px}
.cta-form .form-note{font-size:13px;color:var(--muted-2);margin-bottom:18px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}
.field input,.field select{width:100%;height:44px;padding:0 14px;border:1px solid var(--line);border-radius:var(--radius-btn);background:#fff;color:var(--ink);font-size:15px;transition:border-color .18s,box-shadow .18s}
.field input:focus,.field select:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(200,240,74,.5)}
.cta-form .btn{width:100%;margin-top:6px}
.form-tip{margin-top:12px;font-size:12.5px;color:var(--muted-2);line-height:1.7}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-2);color:#C7CCC9;padding-top:64px}
.footer-col{margin-bottom:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.site-footer .brand__mark{background:var(--lime)}
.site-footer .brand__mark::after{background:var(--ink)}
.footer-brand b{color:#fff;font-size:17px;font-weight:800}
.footer-about{font-size:14px;line-height:1.8;color:#98A09D;max-width:300px}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin:0 0 16px}
.footer-links li,.footer-meta li{margin-bottom:10px;font-size:14px;line-height:1.7}
.footer-links a{color:#C7CCC9;transition:color .18s ease}
.footer-links a:hover{color:var(--lime)}
.footer-meta b{color:#fff;font-weight:600}
.footer-bottom{margin-top:20px;border-top:1px solid rgba(255,255,255,.1);padding:22px 0 28px}
.footer-bottom__inner{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:#8A918E}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .data-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .quote-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .section{padding-top:64px;padding-bottom:64px}
  .cta-panel{padding:40px;gap:32px}
}
@media (max-width:900px){
  .header-top__inner{height:60px;gap:14px}
  .header-search{display:none}
  .header-search.is-open{display:flex;position:absolute;left:16px;right:16px;top:64px;max-width:none;z-index:80;box-shadow:0 16px 32px -16px rgba(15,18,20,.35)}
  .header-actions .header-link{display:none}
  .header-actions .btn--lime{display:none}
  .nav-toggle{display:inline-flex}
  .header-top__inner{position:relative}
  .cta-panel{grid-template-columns:1fr;padding:32px}
  .scene-grid{grid-template-columns:1fr}
}
@media (max-width:768px){
  .site-header{position:static}
  .nav-tabs__inner{height:44px}
}
@media (max-width:640px){
  .container{padding-left:16px;padding-right:16px}
  .brand__text em{display:none}
  .grid-4,.grid-3,.grid-2,.quote-grid,.data-grid,.steps{grid-template-columns:1fr}
  .section{padding-top:44px;padding-bottom:44px}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px}
  .hero__inner{padding-top:56px;padding-bottom:48px}
  .hero__stats{display:grid;grid-template-columns:1fr 1fr;gap:20px}
  .hero__stats li{min-width:0}
  .hero__stats b{font-size:24px}
  .hero__cta .btn{width:100%}
  .cta-panel{padding:24px 20px;border-radius:16px}
  .cta-form{padding:22px 18px}
  .scene-card{min-height:240px}
  .footer-bottom__inner{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}
@media print{
  .site-header,.cta-panel,.site-footer{display:none}
  body{background:#fff}
}

/* roulang page: category3 */
:root{
  --ink:#0F1214;
  --ink-2:#1A1F21;
  --lime:#C8F04A;
  --lime-dark:#B7E23A;
  --coral:#D63B18;
  --coral-dark:#BF3313;
  --bg:#F5F6F3;
  --surface:#FFFFFF;
  --line:#E4E7E1;
  --muted:#5B6462;
  --muted-2:#8A918E;
  --green-deep:#2C6E5C;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --radius-input:10px;
  --radius-badge:6px;
  --shadow:0 1px 2px rgba(15,18,20,.06),0 10px 26px -16px rgba(15,18,20,.22);
  --shadow-hover:0 2px 4px rgba(15,18,20,.08),0 18px 36px -18px rgba(15,18,20,.32);
  --container:1200px;
  --ease:180ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Noto Sans SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:0;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;background-color:transparent}
button,input,select,textarea{font:inherit;color:inherit;margin:0}
h1,h2,h3,h4,h5{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
b,strong{font-weight:700}
::selection{background:var(--lime);color:var(--ink)}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.num,.spec-list b,.compare-price,.hero-stats b,.stat-card b{font-variant-numeric:tabular-nums;letter-spacing:.02em}

/* ============ 头部 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(15,18,20,.09)}
.header-top__inner{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand__mark{
  position:relative;display:inline-block;width:26px;height:26px;border-radius:8px;
  background:var(--ink);flex:0 0 auto;
}
.brand__mark::after{content:"";position:absolute;left:7px;top:7px;right:7px;bottom:7px;border-radius:3px;background:var(--lime)}
.brand__text{font-size:18px;font-weight:800;white-space:nowrap;letter-spacing:-.01em}
.brand__text em{font-style:normal;font-size:12.5px;font-weight:700;color:var(--muted);margin-left:5px;letter-spacing:0}
.header-search{position:relative;display:flex;flex:1 1 auto;max-width:420px}
.header-search input{
  width:100%;height:40px;padding:0 96px 0 18px;
  border:1px solid var(--line);border-radius:999px;background:#F8F9F5;
  outline:none;transition:border-color var(--ease),box-shadow var(--ease);
  font-size:14px;
}
.header-search input::placeholder{color:var(--muted-2)}
.header-search input:focus{border-color:var(--ink);box-shadow:0 0 0 3px rgba(200,240,74,.55);background:#fff}
.header-search button{
  position:absolute;right:4px;top:4px;height:32px;padding:0 16px;
  border:0;border-radius:999px;background:var(--ink);color:#fff;
  font-size:13px;font-weight:700;cursor:pointer;transition:background var(--ease);
}
.header-search button:hover{background:var(--ink-2)}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:auto;flex:0 0 auto}
.header-link{font-size:14px;font-weight:600;color:var(--muted);transition:color var(--ease)}
.header-link:hover{color:var(--ink)}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  background:#fff;cursor:pointer;transition:border-color var(--ease),background var(--ease);
}
.nav-toggle svg{width:20px;height:20px}
.nav-toggle:hover{border-color:var(--ink)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border:1.5px solid transparent;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;line-height:1.2;cursor:pointer;text-align:center;
  transition:transform var(--ease),background var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.btn--sm{padding:9px 16px;font-size:13.5px;border-radius:9px}
.btn--lime{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.btn--lime:hover{background:var(--lime-dark);border-color:var(--lime-dark);transform:translateY(-1px)}
.btn--lime:active{transform:translateY(1px)}
.btn--coral{background:var(--coral);color:#fff;border-color:var(--coral)}
.btn--coral:hover{background:var(--coral-dark);border-color:var(--coral-dark);transform:translateY(-1px)}
.btn--coral:active{transform:translateY(1px)}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn--ghost:hover{background:var(--ink);color:#fff}
.btn--ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn--ghost-light:hover{background:#fff;color:var(--ink);border-color:#fff}

/* 频道 Tabs */
.nav-tabs{border-top:1px solid var(--line);background:#fff}
.nav-tabs__inner{
  display:flex;align-items:center;gap:8px;height:46px;
  overflow-x:auto;scroll-snap-type:x proximity;
  -ms-overflow-style:none;scrollbar-width:none;
}
.nav-tabs__inner::-webkit-scrollbar{display:none}
.nav-tab{
  flex:0 0 auto;padding:8px 16px;border-radius:999px;
  font-size:14.5px;font-weight:600;color:var(--muted);
  border-bottom:2px solid transparent;scroll-snap-align:start;
  transition:color var(--ease),background var(--ease),border-color var(--ease);
}
.nav-tab:hover{color:var(--ink);border-bottom-color:var(--lime)}
.nav-tab.is-active{background:var(--lime);color:var(--ink);border-bottom-color:transparent}

/* ============ 分类首屏 ============ */
.cat-hero{position:relative;background:var(--ink);color:#fff;overflow:hidden}
.cat-hero__bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.34;
}
.cat-hero__veil{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(15,18,20,.95) 0%,rgba(15,18,20,.82) 48%,rgba(15,18,20,.6) 100%);
}
.cat-hero__inner{position:relative;z-index:2;padding:56px 0 60px;max-width:840px}
.crumbs{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.6);margin-bottom:22px}
.crumbs a{color:rgba(255,255,255,.72);transition:color var(--ease)}
.crumbs a:hover{color:var(--lime)}
.crumbs__sep{color:rgba(255,255,255,.35)}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--radius-badge);
  background:rgba(200,240,74,.16);color:var(--lime);
  font-size:12.5px;font-weight:700;letter-spacing:.04em;
}
.cat-hero h1{
  margin:20px 0 0;
  font-size:clamp(30px,4.2vw,50px);
  font-weight:800;letter-spacing:-.01em;line-height:1.18;
}
.hero-lead{margin-top:18px;font-size:16.5px;line-height:1.8;color:rgba(255,255,255,.76);max-width:660px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,auto));justify-content:start;
  gap:40px;margin-top:44px;padding-top:28px;
  border-top:1px solid rgba(255,255,255,.14);
}
.hero-stats li{display:flex;flex-direction:column;gap:2px}
.hero-stats b{font-size:26px;font-weight:800;color:#fff}
.hero-stats span{font-size:13px;color:rgba(255,255,255,.6)}

/* ============ 通用板块 ============ */
.section{padding:80px 0}
.section--surface{background:var(--surface)}
.section--ink{background:var(--ink-2);color:#fff}
.section-head{max-width:760px;margin-bottom:34px}
.eyebrow{
  display:inline-block;padding:5px 12px;border-radius:var(--radius-badge);
  background:rgba(44,110,92,.1);color:var(--green-deep);
  font-size:12px;font-weight:700;letter-spacing:.06em;
}
.section-head h2{margin-top:16px;font-size:clamp(23px,3vw,34px)}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px;line-height:1.8}
.badge{
  display:inline-block;padding:5px 10px;border-radius:var(--radius-badge);
  background:#EEF1EA;color:var(--green-deep);
  font-size:12px;font-weight:700;letter-spacing:.06em;
}
.badge--lime{background:rgba(200,240,74,.3);color:#41590E}

/* ============ Z 字图文 ============ */
.zrow{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:52px;align-items:center}
.zrow + .zrow{margin-top:76px}
.zrow--reverse .zrow__media{order:2}
.zrow--reverse .zrow__body{order:1}
.zrow__media{margin:0}
.zrow__media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--radius-img);box-shadow:var(--shadow);
}
.zrow__body h3{font-size:21px;margin-bottom:12px}
.zrow__body > p{color:var(--muted);font-size:15.5px;line-height:1.85}
.point-list{display:grid;gap:14px;margin-top:20px}
.point-list li{position:relative;padding-left:26px;font-size:15px;color:var(--muted);line-height:1.75}
.point-list li::before{
  content:"";position:absolute;left:0;top:11px;width:14px;height:2px;background:var(--lime);
}
.point-list li b{color:var(--ink);font-weight:700}

/* ============ 参数对照 ============ */
.compare{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.compare-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-top:3px solid var(--line);
  border-radius:var(--radius-card);padding:28px 24px 22px;
  box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.compare-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.compare-card--feature{border-top-color:var(--lime)}
.compare-card h3{margin-top:16px;font-size:19px}
.compare-price{margin:10px 0 0;font-size:30px;font-weight:800;color:var(--ink)}
.compare-price span{font-size:14px;font-weight:600;color:var(--muted-2);margin-left:4px}
.compare-note{margin-top:6px;font-size:13px;color:var(--muted-2)}
.spec-list{margin:20px 0 0;padding:0}
.spec-list li{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:10px 0;border-bottom:1px dashed var(--line);
  font-size:14.5px;color:var(--muted);
}
.spec-list li:last-child{border-bottom:0}
.spec-list b{color:var(--ink);font-weight:700;font-size:14.5px}

/* ============ FAQ ============ */
.faq{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow);
}
.faq details{border-bottom:1px solid var(--line)}
.faq details:last-child{border-bottom:0}
.faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:48px;padding:15px 22px;
  font-size:16px;font-weight:700;cursor:pointer;list-style:none;
  border-left:3px solid transparent;
  transition:background var(--ease),border-color var(--ease);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:20px;font-weight:400;color:var(--muted-2);line-height:1}
.faq summary:hover{background:#FAFBF7}
.faq details[open] summary{border-left-color:var(--lime);background:#FAFBF7}
.faq details[open] summary::after{content:"−"}
.faq__answer{padding:0 22px 20px;font-size:15.5px;line-height:1.85;color:var(--muted)}

/* ============ 描边 CTA 条 ============ */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  padding:40px;border:1.5px solid var(--ink);border-radius:16px;background:var(--surface);
}
.cta-band__text{max-width:640px}
.cta-band__text h2{font-size:clamp(21px,2.6vw,28px)}
.cta-band__text p{margin-top:12px;color:var(--muted);font-size:15.5px;line-height:1.8}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:14px}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#C7CCC9;padding:64px 0 0}
.footer-col{margin-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand__mark{background:#fff}
.footer-brand .brand__mark::after{background:var(--lime)}
.footer-brand b{color:#fff;font-size:17px;font-weight:800}
.footer-about{font-size:14px;line-height:1.85;color:#9AA19E;max-width:330px}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-links,.footer-meta{display:grid;gap:10px;font-size:14.5px}
.footer-links a{color:#C7CCC9;transition:color var(--ease)}
.footer-links a:hover{color:var(--lime)}
.footer-meta b{color:#fff;font-weight:600}
.footer-bottom{margin-top:12px;border-top:1px solid rgba(255,255,255,.1);padding:20px 0}
.footer-bottom__inner{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8A918E;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .hero-stats{gap:30px}
  .zrow{gap:36px}
  .zrow + .zrow{margin-top:60px}
}
@media (max-width:900px){
  .header-search{display:none}
  .header-search.is-open{
    display:flex;position:absolute;left:0;right:0;top:100%;
    max-width:none;padding:12px 16px;background:#fff;z-index:20;
    border-bottom:1px solid var(--line);box-shadow:0 12px 24px -16px rgba(15,18,20,.3);
  }
  .header-search.is-open input{background:#F8F9F5}
  .nav-toggle{display:inline-flex}
  .compare{grid-template-columns:1fr;gap:18px}
  .zrow{grid-template-columns:1fr;gap:26px}
  .zrow--reverse .zrow__media{order:0}
  .zrow--reverse .zrow__body{order:0}
  .section{padding:64px 0}
}
@media (max-width:640px){
  .container{padding:0 16px}
  .header-top__inner{height:56px;gap:12px}
  .brand__text{font-size:16px}
  .brand__text em{display:none}
  .header-link{display:none}
  .header-actions{gap:8px}
  .header-actions .btn--lime{display:none}
  .nav-tabs__inner{height:44px;gap:6px}
  .nav-tab{padding:7px 13px;font-size:13.5px}
  .cat-hero__inner{padding:40px 0 44px}
  .hero-lead{font-size:15.5px}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:32px}
  .hero-stats b{font-size:22px}
  .section{padding:44px 0}
  .section-head{margin-bottom:24px}
  .zrow + .zrow{margin-top:44px}
  .cta-band{padding:26px 20px;gap:22px}
  .cta-band__actions{width:100%}
  .cta-band__actions .btn{flex:1 1 100%}
  .footer-bottom__inner{flex-direction:column;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
  --ink:#0F1214;
  --ink-2:#1A1F21;
  --lime:#C8F04A;
  --lime-d:#B7E23A;
  --coral:#D63B18;
  --coral-d:#BF3313;
  --bg:#F5F6F3;
  --surface:#FFFFFF;
  --line:#E4E7E1;
  --muted:#5B6462;
  --muted-2:#8A918E;
  --green-deep:#2C6E5C;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-card:0 1px 2px rgba(15,18,20,.06),0 10px 26px -16px rgba(15,18,20,.22);
  --shadow-card-hover:0 2px 4px rgba(15,18,20,.08),0 18px 36px -18px rgba(15,18,20,.3);
  --font-cn:"PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
}

/* ========== 基础 ========== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  letter-spacing:0;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--ink);text-decoration:none;transition:color .18s ease-out}
a:hover{color:var(--ink)}
h1,h2,h3,h4{margin:0 0 .55em;line-height:1.25;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
h1{font-size:clamp(30px,4.2vw,52px)}
h2{font-size:clamp(23px,3vw,34px)}
h3{font-size:21px}
h4{font-size:17px}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
input,textarea,select{font-family:inherit;font-size:16px}
strong,b{font-weight:700}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.num{font-variant-numeric:tabular-nums;letter-spacing:.02em}

.container{width:100%;max-width:1200px;margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px}

.gx{margin-left:-16px;margin-right:-16px}
.gx>.cell{padding-left:16px;padding-right:16px}

.section{padding:80px 0}
.section--tight{padding:64px 0}
.section--bg{background:#fff}

/* ========== 按钮 ========== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border:0;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;letter-spacing:0;text-decoration:none;
  transition:background-color .18s ease-out,color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
  white-space:nowrap;
}
.btn--sm{height:38px;padding:0 16px;font-size:14px;border-radius:9px}
.btn--lime{background:var(--lime);color:var(--ink)}
.btn--lime:hover{background:var(--lime-d);color:var(--ink);transform:translateY(-1px)}
.btn--lime:active{transform:translateY(1px)}
.btn--coral{background:var(--coral);color:#fff}
.btn--coral:hover{background:var(--coral-d);color:#fff;transform:translateY(-1px)}
.btn--coral:active{transform:translateY(1px)}
.btn--ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.55)}
.btn--ghost:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn--outline{background:transparent;color:var(--ink);border:1.5px solid var(--ink)}
.btn--outline:hover{background:var(--ink);color:#fff}

.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;
  color:var(--ink);box-shadow:inset 0 -2px 0 var(--lime);
  padding-bottom:3px;transition:box-shadow .2s ease-out;
}
.link-more:hover{box-shadow:inset 0 -9px 0 var(--lime)}

/* ========== 头部导航 ========== */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s ease-out}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(15,18,20,.08)}
.header-top__inner{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto}
.brand__mark{width:24px;height:24px;border-radius:7px;background:var(--lime);box-shadow:inset 0 0 0 5px var(--ink);display:inline-block;flex:0 0 auto}
.brand__text{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.01em;white-space:nowrap}
.brand__text em{font-style:normal;font-weight:600;color:var(--muted);margin-left:2px}

.header-search{
  flex:1 1 auto;max-width:360px;display:flex;align-items:center;
  border:1px solid var(--line);border-radius:999px;overflow:hidden;background:var(--bg);
}
.header-search input[type="search"]{
  flex:1 1 auto;height:40px;border:0;background:transparent;padding:0 16px;color:var(--ink);outline:none;min-width:0;
}
.header-search input[type="search"]::placeholder{color:var(--muted-2)}
.header-search button{
  height:40px;padding:0 18px;border:0;background:var(--lime);color:var(--ink);
  font-size:14px;font-weight:700;border-radius:0;transition:background-color .18s;
}
.header-search button:hover{background:var(--lime-d)}

.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto}
.header-link{font-size:14px;font-weight:600;color:var(--muted);padding:6px 2px}
.header-link:hover{color:var(--ink)}
.nav-toggle{
  display:none;align-items:center;justify-content:center;width:44px;height:44px;
  border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);
}
.nav-toggle svg{width:20px;height:20px}

.nav-tabs{border-top:1px solid var(--line);background:#fff}
.nav-tabs__inner{display:flex;align-items:center;gap:8px;height:46px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;scroll-snap-type:x proximity}
.nav-tabs__inner::-webkit-scrollbar{display:none}
.nav-tab{
  scroll-snap-align:start;white-space:nowrap;padding:7px 15px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--muted);transition:color .18s,background-color .18s,box-shadow .18s;
}
.nav-tab:hover{color:var(--ink);box-shadow:inset 0 -2px 0 var(--lime)}
.nav-tab.is-active{background:var(--lime);color:var(--ink);font-weight:700}

/* ========== 面包屑 ========== */
.crumbs{margin-bottom:18px}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13px}
.crumbs li{display:inline-flex;align-items:center;gap:6px;color:rgba(255,255,255,.62)}
.crumbs li+li::before{content:"/";color:rgba(255,255,255,.38)}
.crumbs a{color:rgba(255,255,255,.82)}
.crumbs a:hover{color:var(--lime)}

/* ========== Hero ========== */
.page-hero{
  position:relative;overflow:hidden;
  background-color:var(--ink);
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  color:#fff;padding:56px 0 60px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;background:rgba(15,18,20,.9);
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(90deg,rgba(200,240,74,.06) 0 1px,transparent 1px 16px);
}
.page-hero .container{position:relative;z-index:1}
.page-hero h1{color:#fff;margin-bottom:16px}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;
  letter-spacing:.06em;color:var(--lime);border:1px solid rgba(200,240,74,.4);
  border-radius:999px;padding:5px 12px;margin-bottom:18px;
}
.hero-eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--lime);display:inline-block}
.hero-sub{font-size:17px;color:#C7CCC9;max-width:560px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px}

.hero-stats{display:flex;flex-wrap:wrap;gap:28px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14)}
.hero-stats li{display:flex;flex-direction:column;gap:2px}
.hero-stats b{font-size:26px;font-weight:800;color:var(--lime);line-height:1.2}
.hero-stats span{font-size:13px;color:rgba(255,255,255,.6)}

.hero-visual{position:relative;border-radius:var(--radius-card);overflow:hidden;border:1px solid rgba(255,255,255,.12)}
.hero-visual img{width:100%;height:340px;object-fit:cover}
.hero-visual__panel{
  position:absolute;left:16px;right:16px;bottom:16px;background:rgba(15,18,20,.88);
  border-radius:12px;padding:14px 16px;backdrop-filter:none;
}
.hero-visual__panel h3{font-size:14px;color:#fff;margin:0 0 10px;font-weight:700}
.hero-visual__row{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.68);padding:5px 0;border-bottom:1px dashed rgba(255,255,255,.12)}
.hero-visual__row:last-child{border-bottom:0}
.hero-visual__row b{color:var(--lime);font-weight:700}

/* ========== 板块标题 ========== */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:30px;flex-wrap:wrap}
.section-head h2{margin:0}
.section-head p{color:var(--muted);font-size:15px;margin:8px 0 0;max-width:640px}
.section-kicker{display:block;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--green-deep);margin-bottom:10px}

/* ========== 卡片族 ========== */
.card{
  display:flex;flex-direction:column;height:100%;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-card-hover);border-color:#D6DAD3}
.card__media{position:relative;aspect-ratio:4/3;overflow:hidden;background:#EDEFEA}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out}
.card:hover .card__media img{transform:scale(1.04)}
.badge{
  position:absolute;left:12px;top:12px;background:rgba(15,18,20,.85);color:#fff;
  font-size:12px;font-weight:700;letter-spacing:.06em;padding:4px 9px;border-radius:6px;
}
.card__body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.card__title{
  font-size:18px;font-weight:700;line-height:1.4;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card__desc{
  font-size:14px;color:var(--muted);margin:0;line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card__meta{
  margin-top:auto;display:flex;flex-wrap:wrap;gap:6px 16px;align-items:center;
  padding-top:12px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted-2);font-variant-numeric:tabular-nums;
}
.card__meta b{color:var(--ink);font-weight:700}

/* ========== 流程 ========== */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.flow__step{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);padding:24px 22px;box-shadow:var(--shadow-card);
  transition:transform .18s ease-out,box-shadow .18s ease-out;
}
.flow__step:hover{transform:translateY(-3px);box-shadow:var(--shadow-card-hover)}
.flow__num{
  display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;
  border-radius:8px;background:var(--ink);color:var(--lime);font-size:13px;font-weight:800;
  margin-bottom:14px;font-variant-numeric:tabular-nums;
}
.flow__step h3{font-size:17px;margin-bottom:8px}
.flow__step p{font-size:14px;color:var(--muted);margin:0}

/* ========== 场景 ========== */
.scene-media{border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line)}
.scene-media img{width:100%;height:100%;min-height:320px;object-fit:cover}
.scene-list{display:flex;flex-direction:column;gap:18px}
.scene-item{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}
.scene-item:last-child{border-bottom:0}
.scene-item__idx{
  flex:0 0 auto;width:36px;height:36px;border-radius:10px;background:var(--bg);
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;color:var(--green-deep);font-variant-numeric:tabular-nums;
}
.scene-item h3{font-size:17px;margin-bottom:6px}
.scene-item p{font-size:14px;color:var(--muted);margin:0}

/* ========== 深色数据带 ========== */
.band{background:var(--ink);color:#fff;padding:56px 0}
.band__grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0}
.band__item{padding:8px 26px;border-left:1px solid rgba(255,255,255,.12)}
.band__item:first-child{border-left:0;padding-left:0}
.band__icon{width:26px;height:26px;color:var(--lime);margin-bottom:14px}
.band__icon svg{width:26px;height:26px;display:block}
.band__item b{display:block;font-size:32px;font-weight:800;color:#fff;line-height:1.15;font-variant-numeric:tabular-nums;letter-spacing:.02em}
.band__item b em{font-style:normal;font-size:16px;font-weight:600;color:var(--lime);margin-left:4px}
.band__item span{display:block;font-size:14px;font-weight:700;color:#fff;margin-top:10px}
.band__item p{margin:4px 0 0;font-size:13px;color:rgba(255,255,255,.6)}

/* ========== FAQ ========== */
.faq{border-top:1px solid var(--line);margin-top:8px}
.faq__item{border-bottom:1px solid var(--line);transition:padding-left .18s ease-out,border-color .18s ease-out}
.faq__item.is-open{border-left:3px solid var(--lime);padding-left:18px}
.faq__q{
  display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%;
  min-height:48px;padding:16px 0;background:none;border:0;text-align:left;
  font-size:16px;font-weight:700;color:var(--ink);line-height:1.5;
}
.faq__q:hover{color:var(--green-deep)}
.faq__icon{position:relative;flex:0 0 auto;width:18px;height:18px}
.faq__icon::before,.faq__icon::after{content:"";position:absolute;background:var(--ink);border-radius:2px;transition:transform .2s ease-out}
.faq__icon::before{left:0;top:8px;width:18px;height:2px}
.faq__icon::after{left:8px;top:0;width:2px;height:18px}
.faq__item.is-open .faq__icon::after{transform:scaleY(0)}
.faq__a{display:none;padding:0 40px 20px 0;font-size:15px;color:var(--muted);max-width:800px}
.faq__item.is-open .faq__a{display:block}

/* ========== CTA ========== */
.cta-band{
  background:var(--ink);color:#fff;border-radius:18px;padding:52px 46px;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(90deg,rgba(200,240,74,.06) 0 1px,transparent 1px 16px);
}
.cta-band>*{position:relative;z-index:1}
.cta-band h2{color:#fff}
.cta-band__intro p{color:rgba(255,255,255,.68);font-size:15px}
.cta-band__points{display:flex;flex-direction:column;gap:10px;margin-top:18px}
.cta-band__points li{position:relative;padding-left:20px;font-size:14px;color:rgba(255,255,255,.82)}
.cta-band__points li::before{
  content:"";position:absolute;left:0;top:10px;width:10px;height:2px;background:var(--lime);border-radius:2px;
}
.cta-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.field{display:flex;flex-direction:column;gap:7px}
.field--full{grid-column:1/-1}
.field label{font-size:13px;color:rgba(255,255,255,.66)}
.field input,.field textarea{
  width:100%;height:44px;border:1px solid rgba(255,255,255,.2);border-radius:var(--radius-btn);
  background:rgba(255,255,255,.06);color:#fff;padding:0 14px;transition:border-color .18s,box-shadow .18s;
}
.field textarea{height:96px;padding:12px 14px;resize:vertical;line-height:1.6}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.38)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(200,240,74,.35)}
.cta-form .btn{width:100%}
.form-note{grid-column:1/-1;font-size:13px;color:rgba(255,255,255,.5);margin:0}

/* ========== 页脚 ========== */
.site-footer{background:var(--ink-2);color:#C7CCC9;padding:64px 0 0;margin-top:0}
.footer-col{margin-bottom:34px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand b{font-size:16px;color:#fff;font-weight:800}
.footer-about{font-size:14px;color:rgba(199,204,201,.78);margin:0;max-width:280px;line-height:1.7}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-links,.footer-meta{display:flex;flex-direction:column;gap:10px;font-size:14px}
.footer-links a{color:#C7CCC9}
.footer-links a:hover{color:var(--lime)}
.footer-meta li{color:rgba(199,204,201,.7);line-height:1.6}
.footer-meta b{color:#fff;font-weight:600}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:14px;padding:22px 0}
.footer-bottom__inner{display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:13px;color:rgba(199,204,201,.6)}

/* ========== 响应式 ========== */
@media (max-width:1024px){
  .section{padding:64px 0}
  .section--tight{padding:52px 0}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr))}
  .band__grid{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:28px}
  .band__item:nth-child(3){border-left:0;padding-left:0}
  .hero-visual img{height:300px}
  .cta-band{padding:42px 32px}
}
@media (max-width:900px){
  .header-top__inner{height:56px;gap:12px}
  .header-search{display:none}
  .header-search.is-open{
    display:flex;position:absolute;left:0;right:0;top:56px;max-width:none;
    background:#fff;border:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
    border-radius:0;padding:12px 16px;z-index:70;
  }
  .header-search.is-open input[type="search"]{height:42px;background:var(--bg);border-radius:999px}
  .header-search.is-open button{height:42px;border-radius:999px}
  .header-link,.header-actions .btn--lime{display:none}
  .nav-toggle{display:inline-flex}
  .brand__text em{display:none}
  .nav-tabs__inner{height:44px}
}
@media (max-width:768px){
  .container{padding-left:16px;padding-right:16px}
  .gx{margin-left:-8px;margin-right:-8px}
  .gx>.cell{padding-left:8px;padding-right:8px}
  .section{padding:44px 0}
  .section--tight{padding:40px 0}
  .page-hero{padding:36px 0 44px}
  .hero-sub{font-size:16px}
  .hero-actions{gap:10px}
  .hero-actions .btn{flex:1 1 auto}
  .hero-stats{gap:18px;row-gap:18px}
  .hero-stats li{flex:1 1 40%}
  .hero-stats b{font-size:22px}
  .hero-visual{margin-top:30px}
  .hero-visual img{height:240px}
  .flow{grid-template-columns:1fr}
  .band{padding:40px 0}
  .band__grid{grid-template-columns:1fr;row-gap:0}
  .band__item{border-left:0;border-top:1px solid rgba(255,255,255,.12);padding:20px 0}
  .band__item:first-child{border-top:0}
  .cta-band{padding:32px 20px;border-radius:14px}
  .cta-form{grid-template-columns:1fr}
  .scene-media img{min-height:220px}
  .section-head{align-items:flex-start;flex-direction:column;gap:12px}
  .faq__a{padding-right:0}
  .site-footer{padding-top:44px}
}
@media (max-width:520px){
  h1{font-size:26px}
  .card__title{font-size:17px}
  .btn{height:44px;padding:0 18px}
  .card__meta{gap:4px 12px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category4 */
:root{
  --ink:#0F1214;
  --ink-2:#1A1F21;
  --lime:#C8F04A;
  --lime-dark:#B7E23A;
  --coral:#D63B18;
  --coral-dark:#BF3313;
  --bg:#F5F6F3;
  --surface:#FFFFFF;
  --line:#E4E7E1;
  --muted:#5B6462;
  --muted-2:#8A918E;
  --green-deep:#2C6E5C;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --radius-input:10px;
  --radius-badge:6px;
  --shadow-card:0 1px 2px rgba(15,18,20,.06), 0 10px 26px -16px rgba(15,18,20,.22);
  --shadow-card-hover:0 2px 4px rgba(15,18,20,.08), 0 18px 34px -16px rgba(15,18,20,.3);
  --section-y:80px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  letter-spacing:0;
}
img{max-width:100%;display:block;border-radius:0}
a{color:inherit;text-decoration:none;transition:color .18s ease-out}
a:hover{color:inherit}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.3}
p{margin:0}
.num{font-variant-numeric:tabular-nums;letter-spacing:.02em}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{
  outline:2px solid var(--lime);outline-offset:2px;border-radius:6px;
}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s ease-out}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(15,18,20,.09)}
.header-top__inner{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:18px;flex:0 0 auto}
.brand__mark{width:28px;height:28px;border-radius:9px;background:var(--ink);position:relative;flex:0 0 auto}
.brand__mark::before{content:"";position:absolute;left:6px;top:8px;width:16px;height:2px;border-radius:2px;background:var(--lime);box-shadow:0 5px 0 var(--lime),0 10px 0 var(--lime)}
.brand__text{display:inline-flex;align-items:baseline;white-space:nowrap}
.brand__text em{font-style:normal;font-size:12px;font-weight:700;letter-spacing:.04em;color:var(--muted);margin-left:5px}
.header-search{flex:1 1 260px;min-width:0;max-width:400px;display:flex;align-items:center;background:#F2F4F0;border:1px solid var(--line);border-radius:var(--radius-input);overflow:hidden}
.header-search input{flex:1 1 auto;min-width:0;height:40px;padding:0 14px;border:0;background:transparent;font-size:14px;outline:none}
.header-search input::placeholder{color:var(--muted-2)}
.header-search button{flex:0 0 auto;height:40px;padding:0 16px;border:0;background:var(--ink);color:#fff;font-size:14px;font-weight:700;cursor:pointer;transition:background .18s ease-out}
.header-search button:hover{background:#000}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.header-link{font-size:14px;font-weight:600;color:var(--muted)}
.header-link:hover{color:var(--ink)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:var(--radius-btn);border:1px solid var(--line);background:#fff;color:var(--ink);align-items:center;justify-content:center;cursor:pointer}
.nav-toggle svg{width:20px;height:20px}
.nav-tabs{border-top:1px solid var(--line);background:#fff}
.nav-tabs__inner{display:flex;align-items:center;gap:8px;height:46px;overflow-x:auto;scroll-snap-type:x proximity;scrollbar-width:none;-ms-overflow-style:none}
.nav-tabs__inner::-webkit-scrollbar{display:none}
.nav-tab{flex:0 0 auto;scroll-snap-align:start;white-space:nowrap;padding:6px 15px;border-radius:999px;font-size:14px;font-weight:600;color:var(--muted);border-bottom:2px solid transparent;transition:color .18s ease-out,background .18s ease-out}
.nav-tab:hover{color:var(--ink);border-bottom-color:var(--lime)}
.nav-tab.is-active{background:var(--lime);color:var(--ink);border-bottom-color:transparent}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 22px;border:1.5px solid transparent;border-radius:var(--radius-btn);font-size:15px;font-weight:700;cursor:pointer;transition:background .18s ease-out,color .18s ease-out,transform .18s ease-out,border-color .18s ease-out;text-align:center}
.btn--lime{background:var(--lime);color:var(--ink)}
.btn--lime:hover{background:var(--lime-dark);transform:translateY(-1px);color:var(--ink)}
.btn--lime:active{transform:translateY(1px)}
.btn--coral{background:var(--coral);color:#fff}
.btn--coral:hover{background:var(--coral-dark);transform:translateY(-1px);color:#fff}
.btn--coral:active{transform:translateY(1px)}
.btn--ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn--ghost:hover{background:var(--ink);color:#fff}
.btn--ghost-light{background:transparent;border-color:rgba(255,255,255,.45);color:#fff}
.btn--ghost-light:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn--sm{min-height:36px;padding:0 14px;font-size:13px;border-radius:8px}
.btn--block{width:100%}

/* ---------- breadcrumb ---------- */
.breadcrumb-bar{background:#fff;border-bottom:1px solid var(--line)}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:12px 0;font-size:13px;color:var(--muted-2)}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:var(--muted-2)}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--ink)}
.breadcrumb [aria-current="page"]{color:var(--ink);font-weight:600}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:92px 0 80px}
.hero::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;opacity:.26}
.hero::after{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.85) 0 1px,transparent 1px 10px);opacity:.05}
.hero .container{position:relative;z-index:2}
.hero__eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--lime);margin-bottom:16px}
.hero h1{font-size:clamp(30px,4.2vw,52px);font-weight:800;letter-spacing:-.02em;line-height:1.2;max-width:900px}
.hero__lead{max-width:760px;margin-top:20px;font-size:17px;line-height:1.85;color:#D5D9D6}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-data{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;margin-top:56px;padding-top:28px;border-top:1px solid rgba(255,255,255,.16)}
.hero-data__num{font-size:clamp(24px,3vw,32px);font-weight:800;color:var(--lime);font-variant-numeric:tabular-nums;letter-spacing:.02em;line-height:1.2}
.hero-data__label{margin-top:6px;font-size:13px;color:#B9BFBB;line-height:1.6}

/* ---------- sections ---------- */
.section{padding:var(--section-y) 0}
.section--alt{background:#fff}
.section-head{max-width:780px;margin-bottom:34px}
.section-head h2{font-size:clamp(23px,3vw,34px);margin-bottom:12px}
.section-head p{color:var(--muted);font-size:16px}
.section-head .label{display:block;font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--green-deep);margin-bottom:10px}

/* ---------- feature cards ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.feature-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:26px 24px;box-shadow:var(--shadow-card);transition:transform .18s ease-out,box-shadow .18s ease-out}
.feature-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-card-hover)}
.feature-card__icon{width:46px;height:46px;border-radius:12px;background:rgba(200,240,74,.35);display:flex;align-items:center;justify-content:center;color:var(--ink);margin-bottom:18px}
.feature-card__icon svg{width:22px;height:22px}
.feature-card h3{font-size:19px;margin-bottom:10px}
.feature-card p{color:var(--muted);font-size:15px}
.feature-card__meta{margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);font-size:13px;color:var(--green-deep);font-weight:600}

/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:6px}
.timeline::before{content:"";position:absolute;left:21px;top:10px;bottom:14px;width:2px;background:var(--line)}
.timeline__item{position:relative;padding:0 0 34px 62px}
.timeline__item:last-child{padding-bottom:0}
.timeline__dot{position:absolute;left:13px;top:8px;width:18px;height:18px;border-radius:50%;background:var(--lime);border:3px solid #fff;box-shadow:0 0 0 1px var(--line)}
.timeline__stage{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.08em;padding:3px 9px;border-radius:var(--radius-badge);background:rgba(44,110,92,.1);color:var(--green-deep);font-variant-numeric:tabular-nums}
.timeline__item h3{font-size:20px;margin:12px 0 8px}
.timeline__item p{color:var(--muted);max-width:720px}

/* ---------- stats ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.stat-card{background:var(--surface);border:1px solid var(--line);border-top:3px solid var(--lime);border-radius:var(--radius-card);padding:26px 22px;box-shadow:var(--shadow-card);transition:transform .18s ease-out,box-shadow .18s ease-out}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-card-hover)}
.stat-card__num{font-size:clamp(28px,3.4vw,40px);font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:.02em;line-height:1.15}
.stat-card__num span{font-size:16px;font-weight:700;color:var(--muted);margin-left:4px}
.stat-card__label{margin-top:10px;font-size:14px;font-weight:700}
.stat-card__desc{margin-top:6px;font-size:13px;color:var(--muted);line-height:1.7}

/* ---------- team cards ---------- */
.team-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.team-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);transition:transform .18s ease-out,box-shadow .18s ease-out}
.team-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-card-hover)}
.team-card__media{position:relative;aspect-ratio:16/10;overflow:hidden;background:#E9EBE6}
.team-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.team-card:hover .team-card__media img{transform:scale(1.04)}
.team-card__body{padding:20px 22px 24px}
.team-card__body h3{font-size:18px;margin-bottom:8px}
.team-card__body p{font-size:14px;color:var(--muted)}
.team-card__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.04em;padding:4px 10px;border-radius:var(--radius-badge);background:#F1F3EE;color:var(--muted);border:1px solid var(--line)}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:48px;padding:16px 4px 16px 0;background:transparent;border:0;border-left:3px solid transparent;text-align:left;font-size:16px;font-weight:700;cursor:pointer;transition:border-color .18s ease-out,color .18s ease-out}
.faq-q:hover{color:var(--green-deep)}
.faq-item.is-open .faq-q{border-left-color:var(--lime);padding-left:14px;color:var(--ink)}
.faq-icon{flex:0 0 auto;width:22px;height:22px;position:relative}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--ink);border-radius:2px}
.faq-icon::before{left:2px;right:2px;top:10px;height:2px}
.faq-icon::after{top:2px;bottom:2px;left:10px;width:2px;transition:transform .2s ease-out,opacity .2s ease-out}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease-out}
.faq-item.is-open .faq-a{max-height:320px}
.faq-a p{padding:0 46px 20px 14px;color:var(--muted);font-size:15px}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:stretch}
.contact-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-card);padding:8px 24px}
.contact-list li{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;padding:18px 0;border-bottom:1px dashed var(--line)}
.contact-list li:last-child{border-bottom:0}
.contact-list__label{font-size:13px;color:var(--muted-2);flex:0 0 auto;padding-top:2px}
.contact-list__value{font-size:15px;font-weight:700;text-align:right}
.map-card{position:relative;border-radius:var(--radius-card);overflow:hidden;min-height:300px;background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;box-shadow:var(--shadow-card)}
.map-card::after{content:"";position:absolute;inset:0;background:rgba(15,18,20,.58)}
.map-card__info{position:relative;z-index:2;min-height:300px;display:flex;flex-direction:column;justify-content:flex-end;padding:26px;color:#fff}
.map-card__info .badge{margin-bottom:12px}
.map-card__info strong{font-size:18px;display:block}
.map-card__info span{font-size:13px;color:#C7CCC9;margin-top:8px;display:block}
.badge{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.06em;padding:4px 10px;border-radius:var(--radius-badge);background:rgba(200,240,74,.85);color:#1B2410}
.badge--soft{background:rgba(255,255,255,.16);color:#E9EDE9}

/* ---------- CTA band ---------- */
.cta-band{background:var(--ink-2);color:#fff;border-radius:18px;padding:48px;display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.cta-band h2{font-size:clamp(23px,2.8vw,32px);margin-bottom:14px}
.cta-band__text p{color:#C7CCC9;font-size:15px}
.cta-points{margin-top:22px;display:grid;gap:10px}
.cta-points li{position:relative;padding-left:22px;font-size:14px;color:#D5D9D6}
.cta-points li::before{content:"";position:absolute;left:0;top:9px;width:10px;height:2px;background:var(--lime);border-radius:2px}
.cta-form{display:grid;gap:14px}
.field label{display:block;font-size:13px;color:#C7CCC9;margin-bottom:6px}
.field input,.field select{width:100%;height:44px;padding:0 14px;border-radius:var(--radius-input);border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.07);color:#fff;font-size:14px;outline:none;transition:border-color .18s ease-out,box-shadow .18s ease-out}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#C7CCC9 50%),linear-gradient(135deg,#C7CCC9 50%,transparent 50%);background-position:calc(100% - 20px) 20px,calc(100% - 14px) 20px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.field select option{color:#0F1214}
.field input:focus,.field select:focus{border-color:var(--lime);box-shadow:0 0 0 3px rgba(200,240,74,.28)}
.field input::placeholder{color:#8A918E}
.form-hint{font-size:12px;color:#8A918E;margin-top:2px}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#C7CCC9;padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:32px;margin:0}
.footer-grid > .cell{width:auto;padding:0}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;margin-bottom:14px}
.footer-about{font-size:14px;line-height:1.85;color:#9AA09D}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px;letter-spacing:.02em}
.footer-links,.footer-meta{display:grid;gap:9px;font-size:14px}
.footer-links a{color:#C7CCC9}
.footer-links a:hover{color:var(--lime)}
.footer-meta li{color:#9AA09D}
.footer-meta b{color:#E9EDE9;font-weight:600}
.footer-bottom{margin-top:52px;border-top:1px solid rgba(255,255,255,.1);padding:18px 0}
.footer-bottom__inner{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:13px;color:#8A918E}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  :root{--section-y:64px}
  .feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .team-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero{padding:76px 0 68px}
  .cta-band{padding:38px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
}
@media (max-width:900px){
  .header-link{display:none}
  .contact-grid{grid-template-columns:1fr}
  .hero-data{gap:20px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .header-top__inner{height:56px;gap:12px}
  .header-search{display:none}
  .header-actions .btn--lime{display:none}
  .nav-toggle{display:inline-flex}
  .site-header.search-open .header-search{display:flex;position:absolute;left:16px;right:16px;top:60px;max-width:none;z-index:80;background:#fff;box-shadow:0 10px 26px -8px rgba(15,18,20,.28)}
  .brand{font-size:16px}
  .brand__text em{font-size:11px}
  .hero{padding:56px 0 52px}
  .hero__lead{font-size:15.5px}
  .hero__actions .btn{width:100%}
  .hero-data{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:40px;gap:18px}
  .section-head{margin-bottom:26px}
  .cta-band{grid-template-columns:1fr;gap:28px;padding:28px 22px;border-radius:16px}
  .timeline__item{padding-left:48px}
  .timeline::before{left:17px}
  .timeline__dot{left:9px}
  .contact-list{padding:4px 18px}
  .contact-list li{flex-direction:column;gap:6px}
  .contact-list__value{text-align:left}
}
@media (max-width:520px){
  .feature-grid,.team-grid,.stat-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .faq-a p{padding-right:16px}
  .hero-data__num{font-size:24px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}