/* roulang page: index */
:root{
  --ink:#14171A;
  --graphite:#4A5054;
  --muted:#7C827C;
  --mist:#B9BFB6;
  --paper:#F6F6F1;
  --paper-2:#EFEFE8;
  --white:#FFFFFF;
  --lime:#C8FF3D;
  --lime-dark:#A8E01C;
  --orange:#FF5B21;
  --line:#E2E2D9;
  --line-dark:rgba(255,255,255,.12);
  --r-card:14px;
  --r-img:12px;
  --r-input:12px;
  --r-pill:999px;
  --r-badge:6px;
  --shadow-hover:0 18px 40px -20px rgba(20,23,26,.25);
  --ease:cubic-bezier(.22,.61,.36,1);
  --t:240ms;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --font-num:"SFMono-Regular","JetBrains Mono","Roboto Mono",Consolas,"Courier New",monospace;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.75;
  color:var(--ink);
  background:var(--paper);
  letter-spacing:0;
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;transition:color var(--t) var(--ease);}
a:hover{color:var(--ink);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:750;letter-spacing:0;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:-.02em;}
.container-x{width:100%;max-width:1320px;margin:0 auto;padding:0 24px;}
@media (min-width:1440px){.container-x{max-width:1360px;}}

/* ---------- 顶部细信息条 ---------- */
.topbar{background:var(--ink);color:var(--mist);font-size:13px;line-height:36px;height:36px;overflow:hidden;}
.topbar .container-x{display:flex;align-items:center;justify-content:space-between;}
.topbar-tags{display:flex;gap:18px;align-items:center;}
.topbar-tags span{display:inline-flex;align-items:center;gap:6px;white-space:nowrap;}
.topbar-tags i{color:var(--lime);font-size:12px;}
.topbar-links{display:flex;gap:18px;align-items:center;}
.topbar-links a{color:var(--mist);font-size:13px;}
.topbar-links a:hover{color:var(--white);}
@media (max-width:767px){.topbar-tags span:nth-child(n+3){display:none;}.topbar{font-size:12px;}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(246,246,241,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:all var(--t) var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 10px 30px -24px rgba(20,23,26,.4);}
.nav-main{display:flex;align-items:center;gap:24px;padding:18px 0 14px;transition:padding var(--t) var(--ease);}
.site-header.is-scrolled .nav-main{padding:10px 0 10px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--ink);
  display:flex;align-items:center;justify-content:center;color:var(--lime);
  font-size:17px;font-weight:800;letter-spacing:-.03em;flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-size:16.5px;font-weight:800;letter-spacing:0;white-space:nowrap;}
.brand-text small{font-size:11px;color:var(--muted);letter-spacing:.02em;white-space:nowrap;}
.nav-search{flex:1 1 auto;max-width:620px;position:relative;}
.search-box{display:flex;align-items:center;background:var(--white);border:1px solid var(--line);border-radius:var(--r-pill);padding:5px 5px 5px 18px;transition:all var(--t) var(--ease);}
.search-box:focus-within{border-color:var(--lime);box-shadow:0 0 0 4px rgba(200,255,61,.35);}
.search-box i{color:var(--muted);font-size:15px;flex:0 0 auto;}
.search-box input{flex:1 1 auto;border:0;background:transparent;outline:none;font-size:14.5px;padding:9px 12px;color:var(--ink);min-width:0;}
.search-box input::placeholder{color:#9AA096;}
.search-btn{
  flex:0 0 auto;border:0;background:var(--lime);color:var(--ink);
  font-size:14px;font-weight:700;padding:9px 22px;border-radius:var(--r-pill);
  transition:all var(--t) var(--ease);cursor:pointer;
}
.search-btn:hover{background:var(--lime-dark);transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.search-btn:active{transform:translateY(0) scale(.99);}
.suggest-panel{
  position:absolute;left:0;right:0;top:calc(100% + 10px);
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  padding:14px 6px;box-shadow:0 24px 50px -28px rgba(20,23,26,.35);
  display:none;z-index:20;
}
.suggest-panel.is-open{display:block;}
.suggest-group{padding:0 12px 8px;}
.suggest-group h5{font-size:12px;color:var(--muted);font-weight:600;margin:6px 0 6px;letter-spacing:.04em;}
.suggest-group a{display:block;padding:8px 12px;border-radius:10px;font-size:14px;}
.suggest-group a:hover{background:var(--paper);}
.suggest-group a i{color:var(--muted);margin-right:8px;font-size:13px;}
.nav-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.icon-btn{
  position:relative;display:inline-flex;align-items:center;gap:7px;
  border:1px solid var(--line);background:var(--white);border-radius:var(--r-pill);
  padding:9px 16px;font-size:14px;color:var(--ink);cursor:pointer;
  transition:all var(--t) var(--ease);
}
.icon-btn:hover{border-color:var(--ink);transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.icon-btn:active{transform:translateY(0) scale(.99);}
.badge-dot{
  position:absolute;top:-5px;right:-5px;background:var(--orange);color:#fff;
  font-family:var(--font-num);font-size:11px;font-weight:700;line-height:1;
  padding:4px 6px;border-radius:var(--r-pill);
}
.nav-toggle{display:none;border:1px solid var(--line);background:var(--white);border-radius:12px;width:42px;height:42px;align-items:center;justify-content:center;cursor:pointer;}
/* 分类胶囊行 */
.nav-cats{display:flex;gap:8px;padding:0 0 14px;flex-wrap:wrap;}
.site-header.is-scrolled .nav-cats{padding-bottom:10px;}
.cat-pill{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13.5px;padding:7px 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--white);color:var(--graphite);
  transition:all var(--t) var(--ease);
}
.cat-pill:hover{border-color:var(--ink);color:var(--ink);transform:translateY(-2px);}
.cat-pill.is-active{background:var(--ink);color:#fff;border-color:var(--ink);}
.cat-pill i{font-size:12px;opacity:.75;}
.mobile-panel{display:none;border-top:1px solid var(--line);padding:14px 0 18px;}
.mobile-panel.is-open{display:block;}
.mobile-panel .cat-pill{margin:0 8px 8px 0;}
@media (max-width:991px){
  .nav-main{flex-wrap:wrap;gap:12px;}
  .nav-search{order:3;flex:1 1 100%;max-width:none;}
  .nav-actions .icon-btn span{display:none;}
  .nav-actions .icon-btn{padding:10px 13px;}
  .nav-toggle{display:inline-flex;}
  .nav-cats{display:none;}
}

/* ---------- 通用按钮 ---------- */
.btn-lime{
  display:inline-flex;align-items:center;gap:9px;
  background:var(--lime);color:var(--ink);border:0;
  font-size:15px;font-weight:700;padding:14px 30px;border-radius:var(--r-pill);
  cursor:pointer;transition:all var(--t) var(--ease);
}
.btn-lime:hover{background:var(--lime-dark);transform:translateY(-2px);box-shadow:var(--shadow-hover);color:var(--ink);}
.btn-lime:active{transform:translateY(0) scale(.99);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:9px;
  background:transparent;color:var(--ink);border:1px solid var(--ink);
  font-size:15px;font-weight:700;padding:13px 28px;border-radius:var(--r-pill);
  cursor:pointer;transition:all var(--t) var(--ease);
}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0) scale(.99);}
.btn-ghost-light{
  display:inline-flex;align-items:center;gap:9px;
  background:transparent;color:#fff;border:1px solid rgba(255,255,255,.35);
  font-size:15px;font-weight:700;padding:13px 28px;border-radius:var(--r-pill);
  cursor:pointer;transition:all var(--t) var(--ease);
}
.btn-ghost-light:hover{background:#fff;color:var(--ink);border-color:#fff;transform:translateY(-2px);}
.btn-ink{
  display:inline-flex;align-items:center;gap:7px;
  background:var(--ink);color:#fff;border:0;font-size:13px;font-weight:700;
  padding:9px 18px;border-radius:var(--r-pill);cursor:pointer;
  transition:all var(--t) var(--ease);
}
.btn-ink:hover{background:var(--lime);color:var(--ink);transform:translateY(-2px);}
.btn-ink:active{transform:translateY(0) scale(.99);}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;}
.link-arrow i{transition:transform var(--t) var(--ease);}
.link-arrow:hover i{transform:translateX(4px);}
.section-label{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;
  letter-spacing:.08em;color:var(--graphite);text-transform:uppercase;
}
.section-label::before{content:"";width:22px;height:2px;background:var(--lime);display:block;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;}
.sec-head h2{font-size:clamp(1.5rem,3.2vw,2.4rem);font-weight:750;line-height:1.15;margin-top:12px;}
.sec-head p{color:var(--graphite);font-size:14.5px;margin-top:10px;max-width:620px;}
section{padding:76px 0;}
@media (max-width:767px){section{padding:52px 0;}.sec-head{margin-bottom:24px;flex-direction:column;align-items:flex-start;}}

/* ---------- Hero ---------- */
.hero{padding:52px 0 68px;background:linear-gradient(180deg,var(--paper) 0%,var(--paper-2) 100%);}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:44px;align-items:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;background:var(--white);
  border:1px solid var(--line);border-radius:var(--r-pill);
  font-size:12.5px;font-weight:700;padding:7px 16px;color:var(--graphite);
}
.hero-badge i{color:var(--lime-dark);}
.hero h1{
  font-size:clamp(2.1rem,5.4vw,4rem);font-weight:800;line-height:1.06;
  margin:22px 0 0;letter-spacing:-.01em;
}
.hero-sub{font-size:16.5px;line-height:1.8;color:var(--graphite);margin-top:20px;max-width:600px;}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px;}
.hero-facts{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;
  margin-top:40px;padding-top:26px;border-top:1px solid var(--line);
}
.hero-facts b{display:block;font-family:var(--font-num);font-size:1.28rem;font-weight:700;letter-spacing:-.03em;}
.hero-facts span{display:block;font-size:12.5px;color:var(--muted);margin-top:4px;}
.hero-visual{position:relative;border-radius:18px;overflow:hidden;min-height:420px;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;border:1px solid var(--line);}
.hero-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,23,26,.15) 0%,rgba(20,23,26,.62) 100%);}
.hero-float{
  position:absolute;left:22px;right:22px;bottom:22px;z-index:2;
  background:rgba(255,255,255,.97);border-radius:var(--r-card);padding:18px 20px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  box-shadow:0 20px 45px -25px rgba(0,0,0,.5);
}
.hero-float .hf-l{display:flex;flex-direction:column;gap:4px;}
.hero-float .tag-orange{align-self:flex-start;}
.hero-float .hf-l b{font-size:15px;font-weight:700;}
.hero-float .hf-l small{font-size:12.5px;color:var(--muted);}
.hero-float .hf-r{text-align:right;}
.hero-float .price{font-family:var(--font-num);font-size:1.5rem;font-weight:700;letter-spacing:-.03em;}
.hero-float .price s{font-size:.75rem;color:var(--muted);margin-left:6px;font-weight:400;}
.tag-orange{
  display:inline-block;background:var(--orange);color:#fff;font-size:11.5px;font-weight:700;
  padding:3px 9px;border-radius:var(--r-badge);letter-spacing:.02em;
}
@media (max-width:991px){
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-visual{min-height:320px;order:2;}
  .hero-facts{grid-template-columns:repeat(2,minmax(0,1fr));}
}

/* ---------- 爆款网格 ---------- */
.grid-hot{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.p-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:all var(--t) var(--ease);
}
.p-card:hover{border-color:var(--ink);box-shadow:var(--shadow-hover);transform:translateY(-4px);}
.p-media{position:relative;overflow:hidden;background:var(--paper-2);aspect-ratio:16/10;}
.p-media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease);}
.p-card:hover .p-media img{transform:scale(1.04);}
.p-media .corner{position:absolute;top:12px;left:12px;}
.p-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto;}
.p-cat{font-size:12px;color:var(--muted);}
.p-title{font-size:16.5px;font-weight:750;line-height:1.4;}
.p-card:hover .p-title{text-decoration:underline;text-underline-offset:4px;}
.p-specs{display:flex;flex-wrap:wrap;gap:6px;}
.spec{
  font-size:12.5px;color:var(--graphite);border:1px solid var(--line);
  border-radius:var(--r-pill);padding:3px 10px;white-space:nowrap;
}
.p-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:6px;}
.p-price{font-family:var(--font-num);font-size:1.22rem;font-weight:700;letter-spacing:-.03em;}
.p-price small{font-size:11.5px;color:var(--muted);font-family:var(--font-cn);font-weight:400;margin-left:6px;letter-spacing:0;}
.hot-main{grid-column:span 2;grid-row:span 2;flex-direction:row;}
.hot-main .p-media{aspect-ratio:auto;width:52%;min-height:100%;}
.hot-main .p-body{padding:30px;justify-content:center;}
.hot-main .p-title{font-size:clamp(1.35rem,2.2vw,1.9rem);line-height:1.2;}
.hot-main .p-desc{font-size:14.5px;color:var(--graphite);}
.hot-main .p-price{font-size:1.75rem;}
@media (max-width:1199px){.grid-hot{grid-template-columns:repeat(3,minmax(0,1fr));}.hot-main{grid-column:span 3;grid-row:auto;}}
@media (max-width:991px){
  .hot-main{flex-direction:column;}
  .hot-main .p-media{width:100%;aspect-ratio:16/10;}
  .hot-main .p-body{padding:22px;}
}
@media (max-width:767px){.grid-hot{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}.p-body{padding:16px;}}
@media (max-width:520px){.grid-hot{grid-template-columns:1fr;}}

/* ---------- 评价轮播 ---------- */
.review-wrap{position:relative;}
.review-track{
  display:flex;gap:22px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 4px 22px;scrollbar-width:none;
}
.review-track::-webkit-scrollbar{display:none;}
.review-card{
  flex:0 0 calc((100% - 66px)/4);scroll-snap-align:start;
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;display:flex;flex-direction:column;gap:14px;
  transition:all var(--t) var(--ease);
}
.review-card:hover{border-color:var(--ink);transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.stars{font-family:var(--font-num);font-size:13px;color:var(--orange);font-weight:700;letter-spacing:.04em;}
.review-card blockquote{margin:0;font-size:14.5px;line-height:1.8;color:var(--graphite);}
.review-who{display:flex;align-items:center;gap:11px;margin-top:auto;padding-top:14px;border-top:1px solid var(--line);}
.avatar{
  width:38px;height:38px;border-radius:50%;background:var(--ink);color:var(--lime);
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;flex:0 0 auto;
}
.review-who b{display:block;font-size:14px;}
.review-who span{display:block;font-size:12px;color:var(--muted);}
.carousel-ctl{display:flex;gap:10px;}
.ctl-btn{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--ink);background:transparent;
  color:var(--ink);display:flex;align-items:center;justify-content:center;cursor:pointer;
  transition:all var(--t) var(--ease);
}
.ctl-btn:hover{background:var(--ink);color:#fff;}
.ctl-btn:active{transform:scale(.96);}
.bar-indicators{display:flex;gap:8px;margin-top:6px;}
.bar-indicators span{width:26px;height:3px;background:var(--line);border-radius:2px;transition:background var(--t) var(--ease);}
.bar-indicators span.on{background:var(--ink);}
@media (max-width:1199px){.review-card{flex:0 0 calc((100% - 44px)/3);}}
@media (max-width:991px){.review-card{flex:0 0 calc((100% - 22px)/2);}}
@media (max-width:640px){.review-card{flex:0 0 86%;}}

/* ---------- 保障条 ---------- */
.assure{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:0;}
.assure-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));}
.assure-item{display:flex;gap:14px;align-items:flex-start;padding:30px 26px;border-left:1px solid var(--line);}
.assure-item:first-child{border-left:0;}
.assure-item i{font-size:20px;color:var(--ink);margin-top:3px;}
.assure-item b{display:block;font-size:15px;font-weight:750;}
.assure-item span{display:block;font-size:13px;color:var(--muted);line-height:1.65;margin-top:4px;}
@media (max-width:991px){.assure-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
.assure-item:nth-child(3){border-left:0;}
.assure-item:nth-child(n+3){border-top:1px solid var(--line);}}
@media (max-width:520px){.assure-item{padding:22px 16px;}}

/* ---------- CTA 大区 ---------- */
.cta-band{position:relative;background:var(--ink);color:#fff;overflow:hidden;padding:0;}
.cta-band .bg{
  position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;opacity:.22;
}
.cta-inner{position:relative;z-index:2;padding:84px 0;display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center;}
.cta-inner h2{font-size:clamp(1.6rem,3.4vw,2.6rem);font-weight:800;line-height:1.14;}
.cta-inner p{color:#C9CEC6;font-size:15.5px;margin-top:16px;max-width:560px;}
.cta-actions{display:flex;justify-content:flex-end;gap:14px;flex-wrap:wrap;}
@media (max-width:991px){.cta-inner{grid-template-columns:1fr;padding:56px 0;}.cta-actions{justify-content:flex-start;}}

/* ---------- 最新信息 CMS ---------- */
.news-sec{background:var(--white);border-top:1px solid var(--line);}
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.n-card{
  display:flex;flex-direction:column;background:var(--white);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  transition:all var(--t) var(--ease);
}
.n-card:hover{border-color:var(--ink);transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.n-media{aspect-ratio:16/10;overflow:hidden;background:var(--paper-2);}
.n-media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease);}
.n-card:hover .n-media img{transform:scale(1.04);}
.n-body{padding:22px;display:flex;flex-direction:column;gap:11px;flex:1 1 auto;}
.n-meta{display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--muted);}
.n-badge{background:var(--paper);border-radius:var(--r-badge);padding:3px 10px;font-size:12px;color:var(--ink);font-weight:600;}
.n-title{font-size:16.5px;font-weight:750;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.n-card:hover .n-title{text-decoration:underline;text-underline-offset:4px;}
.n-excerpt{font-size:14px;color:var(--graphite);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.n-foot{margin-top:auto;padding-top:12px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);}
.n-foot .link-arrow{font-size:13.5px;color:var(--ink);}
.empty-state{grid-column:1/-1;text-align:center;padding:64px 24px;border:1px dashed var(--line);border-radius:var(--r-card);}
.empty-state i{font-size:30px;color:var(--mist);}
.empty-state p{margin:16px 0 20px;color:var(--graphite);font-size:15px;}
@media (max-width:991px){.news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (max-width:640px){.news-grid{grid-template-columns:1fr;}}

/* ---------- FAQ ---------- */
.faq-sec{background:var(--paper);}
.faq-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start;}
.faq-grid h2{font-size:clamp(1.5rem,3vw,2.2rem);font-weight:800;line-height:1.18;margin-top:12px;}
.faq-grid .faq-note{font-size:15px;color:var(--graphite);margin-top:16px;max-width:400px;}
.accordion-item{border:0;border-top:1px solid var(--line);background:transparent;}
.accordion-item:last-child{border-bottom:1px solid var(--line);}
.accordion-button{
  background:transparent;color:var(--ink);font-size:16.5px;font-weight:700;
  padding:22px 44px 22px 0;box-shadow:none;border:0;border-radius:0;position:relative;
}
.accordion-button:not(.collapsed){background:transparent;color:var(--ink);box-shadow:none;}
.accordion-button:focus{box-shadow:none;border-color:transparent;outline:2px solid var(--lime);outline-offset:-2px;}
.accordion-button::after{
  display:none;
}
.accordion-button::before{
  content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--graphite);transition:transform var(--t) var(--ease);
  line-height:1;
}
.accordion-button:not(.collapsed)::before{content:"×";transform:translateY(-50%) rotate(0deg);color:var(--ink);}
.accordion-body{padding:0 40px 26px 0;font-size:15px;line-height:1.85;color:var(--graphite);}
@media (max-width:991px){.faq-grid{grid-template-columns:1fr;gap:28px;}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#B9BFB6;padding:72px 0 0;margin-top:0;}
.footer-top-line{width:52px;height:3px;background:var(--lime);margin-bottom:34px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:52px;}
.site-footer h4{color:#fff;font-size:15px;font-weight:750;margin-bottom:18px;}
.site-footer p{font-size:14px;line-height:1.8;color:#B9BFB6;}
.site-footer li{margin-bottom:10px;}
.site-footer li a{color:#B9BFB6;font-size:14px;transition:color var(--t) var(--ease);}
.site-footer li a:hover{color:var(--lime);}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--lime);color:var(--ink);}
.footer-brand b{color:#fff;font-size:16.5px;font-weight:800;}
.footer-contact li{display:flex;gap:10px;font-size:14px;}
.footer-contact i{color:var(--lime);margin-top:5px;font-size:13px;}
.footer-bottom{border-top:1px solid var(--line-dark);padding:22px 0 30px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;}
.footer-bottom a{color:#B9BFB6;}
.footer-bottom a:hover{color:#fff;}
@media (max-width:991px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px;}}
@media (max-width:576px){.footer-grid{grid-template-columns:1fr;}}

/* ---------- 移动端固定操作条 ---------- */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:1040;
  background:var(--white);border-top:1px solid var(--line);
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  gap:12px;box-shadow:0 -12px 30px -22px rgba(20,23,26,.5);
}
.mobile-bar .btn-lime,.mobile-bar .btn-ghost{flex:1 1 0;justify-content:center;padding:12px 10px;font-size:14.5px;}
@media (max-width:575px){.mobile-bar{display:flex;}body{padding-bottom:0;}}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 480ms var(--ease),transform 480ms var(--ease);}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation:none !important;}
  .reveal{opacity:1;transform:none;}
  .p-card:hover,.n-card:hover,.review-card:hover,.icon-btn:hover,.btn-lime:hover,.btn-ghost:hover{transform:none;}
  .p-card:hover .p-media img,.n-card:hover .n-media img{transform:none;}
}

/* roulang page: article */
:root{
  --ink:#14171A;
  --ink-2:#4A5054;
  --ink-3:#B9BFB6;
  --paper:#F6F6F1;
  --white:#FFFFFF;
  --lime:#C8FF3D;
  --lime-dark:#A8E01C;
  --orange:#FF5B21;
  --line:#E2E2D9;
  --line-dark:rgba(255,255,255,.14);
  --r-card:14px;
  --r-img:12px;
  --r-pill:999px;
  --sh-hover:0 18px 40px -20px rgba(20,23,26,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-num:"Inter Tight","DIN Alternate",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease),border-color .22s var(--ease),background-color .22s var(--ease)}
a:hover{color:var(--ink)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}
.container-x{width:min(100% - 40px,1320px);margin-inline:auto}
@media (min-width:768px){.container-x{width:min(100% - 48px,1320px)}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:var(--paper);
  border-bottom:1px solid transparent;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 12px 32px -26px rgba(20,23,26,.6)}
.header-main{display:flex;align-items:center;gap:20px;padding:14px 0}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:11px;background:var(--ink);color:var(--lime);
  display:grid;place-items:center;font-weight:800;font-size:19px;letter-spacing:-.02em;
}
.brand-text{font-weight:800;font-size:17px;letter-spacing:-.01em;white-space:nowrap}
.nav-search{
  flex:1 1 auto;max-width:600px;margin-inline:auto;
  display:flex;align-items:center;gap:10px;
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-pill);
  padding:4px 4px 4px 18px;height:46px;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.nav-search:focus-within{border-color:var(--lime);box-shadow:0 0 0 4px rgba(200,255,61,.28)}
.nav-search i{color:var(--ink-2);font-size:15px}
.nav-search input{flex:1;border:0;background:transparent;outline:none;font-size:15px;min-width:0}
.nav-search input::placeholder{color:#9AA09A}
.nav-search button{
  height:36px;padding:0 20px;border:0;border-radius:var(--r-pill);
  background:var(--lime);color:var(--ink);font-weight:700;font-size:14.5px;cursor:pointer;
  transition:transform .2s var(--ease),background-color .2s var(--ease);
}
.nav-search button:hover{background:var(--lime-dark);transform:translateY(-1px)}
.nav-search button:active{transform:translateY(0) scale(.99)}
.nav-tools{display:flex;align-items:center;gap:6px;flex:0 0 auto}
.tool-link{
  display:inline-flex;align-items:center;gap:7px;position:relative;
  padding:9px 13px;border-radius:var(--r-pill);font-size:14px;color:var(--ink-2);
  border:1px solid transparent;transition:all .22s var(--ease);
}
.tool-link:hover{color:var(--ink);border-color:var(--line);background:var(--white)}
.tool-link .badge-dot{
  position:absolute;top:2px;right:2px;min-width:18px;height:18px;padding:0 5px;
  border-radius:var(--r-pill);background:var(--orange);color:#fff;
  font-size:11px;font-weight:700;line-height:18px;text-align:center;font-family:var(--font-num);
}
.nav-cats-wrap{padding-bottom:12px}
.nav-cats{display:flex;gap:10px;overflow-x:auto;padding:2px 0 4px;scrollbar-width:none}
.nav-cats::-webkit-scrollbar{display:none}
.cat-pill{
  display:inline-flex;align-items:center;gap:8px;white-space:nowrap;
  padding:8px 16px;border:1px solid var(--line);border-radius:var(--r-pill);
  background:var(--white);font-size:14px;color:var(--ink-2);
  transition:all .22s var(--ease);
}
.cat-pill i{font-size:13px}
.cat-pill:hover{border-color:var(--ink);color:var(--ink);transform:translateY(-1px)}
.cat-pill.is-active{background:var(--ink);border-color:var(--ink);color:#fff;font-weight:600}
.cat-pill.is-active:hover{color:#fff}

/* ---------- 面包屑 ---------- */
.crumbs{padding:22px 0 0;font-size:14px;color:var(--ink-2)}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.crumbs li{display:inline-flex;align-items:center;gap:10px}
.crumbs li+li::before{content:"/";color:var(--ink-3)}
.crumbs a:hover{color:var(--ink);text-decoration:underline;text-underline-offset:3px}
.crumbs .current{color:var(--ink-3);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 正文布局 ---------- */
.article-shell{padding:26px 0 84px}
.wrap-article{display:grid;grid-template-columns:minmax(0,1fr);gap:40px}
@media (min-width:1200px){.wrap-article{grid-template-columns:minmax(0,1fr) 288px;gap:48px}}
.article-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px 24px;
}
@media (min-width:768px){.article-card{padding:46px 52px}}
.article-head{padding-bottom:26px;border-bottom:1px solid var(--line)}
.meta-line{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:16px}
.cat-badge{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--paper);border-radius:6px;padding:5px 12px;
  font-size:13px;font-weight:600;color:var(--ink);
}
.meta-item{display:inline-flex;align-items:center;gap:7px;font-size:13.5px;color:var(--ink-2);font-family:var(--font-num)}
.meta-item i{color:var(--ink-3)}
.article-h1{
  font-size:clamp(1.85rem,4vw,2.85rem);font-weight:800;line-height:1.22;
  letter-spacing:-.01em;max-width:19em;
}
.article-byline{
  margin-top:18px;font-size:14px;color:var(--ink-2);
  display:flex;flex-wrap:wrap;gap:8px 18px;
}
.article-byline b{color:var(--ink);font-weight:700}

/* ---------- 文章正文排版 ---------- */
.article-body{padding-top:30px;font-size:17px;line-height:1.85;color:#24282B;overflow-wrap:anywhere}
.article-body p{margin:0 0 1.25em}
.article-body h2{
  position:relative;margin:52px 0 18px;padding-left:16px;
  font-size:clamp(1.32rem,2.4vw,1.68rem);font-weight:750;line-height:1.32;
  letter-spacing:-.01em;color:var(--ink);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.34em;width:4px;height:1em;
  background:var(--lime);border-radius:2px;
}
.article-body h3{margin:34px 0 12px;font-size:1.18rem;font-weight:700;color:var(--ink);line-height:1.4}
.article-body h4{margin:26px 0 10px;font-size:1.03rem;font-weight:700;color:var(--ink)}
.article-body ul,.article-body ol{margin:0 0 1.3em}
.article-body li{position:relative;padding-left:22px;margin-bottom:9px}
.article-body ul>li::before{
  content:"";position:absolute;left:2px;top:.72em;width:8px;height:8px;
  background:var(--lime);border-radius:2px;
}
.article-body ol{counter-reset:artnum}
.article-body ol>li{counter-increment:artnum}
.article-body ol>li::before{
  content:counter(artnum);position:absolute;left:0;top:.15em;
  font-family:var(--font-num);font-size:13px;font-weight:700;color:var(--ink);
  background:var(--paper);border-radius:4px;padding:1px 5px;line-height:1.5;
}
.article-body blockquote{
  margin:30px 0;padding:18px 24px;background:#FBFBF6;
  border-left:3px solid var(--ink);border-radius:0 var(--r-img) var(--r-img) 0;
  color:var(--ink-2);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body a{color:var(--ink);text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--ink-3)}
.article-body a:hover{color:var(--orange);text-decoration-color:var(--orange)}
.article-body img{border-radius:var(--r-img);margin:26px 0;height:auto}
.article-body figure{margin:28px 0}
.article-body figcaption{margin-top:10px;font-size:13.5px;color:var(--ink-2);text-align:center}
.article-body table{
  width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;
  border:1px solid var(--line);
}
.article-body thead th{background:var(--ink);color:#EDEFE8;font-weight:600;text-align:left}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.article-body tbody tr:nth-child(even){background:#FAFAF6}
.article-body tbody tr:hover{background:#F4F4EC}
.article-body thead th{font-family:var(--font-sans)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:40px 0}
.article-body strong{font-weight:700;color:var(--ink)}
@media (max-width:767px){
  .article-body{font-size:16px}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
}

/* ---------- 空态 ---------- */
.empty-state{
  padding:64px 20px;text-align:center;color:var(--ink-2);
}
.empty-state i{font-size:34px;color:var(--ink-3);display:block;margin-bottom:16px}
.empty-state p{font-size:17px;margin-bottom:20px;color:var(--ink)}

/* ---------- 图文目录 ---------- */
.toc-desk{display:none}
@media (min-width:1200px){
  .toc-desk{
    display:block;position:sticky;top:104px;align-self:start;
    background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
    padding:22px 20px;
  }
}
.toc-title{font-size:13px;font-weight:700;letter-spacing:.04em;color:var(--ink-2);margin-bottom:12px}
.toc-link{
  display:block;font-size:14px;line-height:1.55;color:var(--ink-2);
  padding:8px 0 8px 14px;border-left:2px solid transparent;
  transition:all .2s var(--ease);
}
.toc-link:hover{color:var(--ink);border-left-color:var(--ink-3)}
.toc-link.is-active{color:var(--ink);font-weight:700;border-left-color:var(--lime)}
.toc-mobile{
  border:1px solid var(--line);border-radius:var(--r-card);background:var(--white);
  padding:4px 18px;margin-bottom:4px;
}
@media (min-width:1200px){.toc-mobile{display:none}}
.toc-mobile summary{
  cursor:pointer;list-style:none;padding:14px 0;font-size:15px;font-weight:700;
  display:flex;align-items:center;justify-content:space-between;
}
.toc-mobile summary::-webkit-details-marker{display:none}
.toc-mobile summary::after{content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;color:var(--ink-2)}
.toc-mobile[open] summary::after{content:"\f077"}
.toc-mobile .toc-list{padding-bottom:14px;border-top:1px solid var(--line)}

/* ---------- 标签 ---------- */
.tag-block{margin-top:40px;padding-top:26px;border-top:1px solid var(--line)}
.tag-block h2{font-size:15px;font-weight:700;margin-bottom:14px;color:var(--ink)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag-pill{
  display:inline-flex;align-items:center;
  padding:7px 14px;border:1px solid var(--line);border-radius:6px;
  font-size:13.5px;color:var(--ink-2);background:var(--paper);
  transition:all .2s var(--ease);
}
.tag-pill:hover{border-color:var(--ink);color:var(--ink)}

/* ---------- 相关推荐 ---------- */
.reco-section{padding-top:64px}
.reco-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:26px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  letter-spacing:.06em;color:var(--ink-2);margin-bottom:10px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--lime);border-radius:2px}
.reco-head h2{font-size:clamp(1.4rem,3vw,2rem);font-weight:750;letter-spacing:-.01em;line-height:1.2}
.reco-head .link-more{font-size:14.5px;font-weight:600;color:var(--ink-2);display:inline-flex;align-items:center;gap:8px}
.reco-head .link-more i{transition:transform .22s var(--ease)}
.reco-head .link-more:hover{color:var(--ink)}
.reco-head .link-more:hover i{transform:translateX(4px)}
.row{--bs-gutter-x:1.75rem;--bs-gutter-y:1.75rem}
.reco-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:border-color .25s var(--ease),box-shadow .3s var(--ease),transform .3s var(--ease);
}
.reco-card:hover{border-color:var(--ink);box-shadow:var(--sh-hover);transform:translateY(-3px)}
.reco-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#EDEEE8}
.reco-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.reco-card:hover .reco-thumb img{transform:scale(1.04)}
.reco-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.reco-body .chip{
  align-self:flex-start;background:var(--paper);border-radius:6px;
  padding:4px 10px;font-size:12.5px;font-weight:600;color:var(--ink);
}
.reco-body h3{font-size:17px;font-weight:700;line-height:1.45;letter-spacing:-.005em}
.reco-card:hover h3{text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--lime)}
.reco-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-2)}
.reco-meta .date{font-family:var(--font-num)}
.reco-meta i{transition:transform .22s var(--ease)}
.reco-card:hover .reco-meta i{transform:translateX(4px);color:var(--ink)}

/* ---------- FAQ ---------- */
.faq-section{padding-top:72px}
.faq-grid{display:grid;grid-template-columns:1fr;gap:28px}
@media (min-width:992px){.faq-grid{grid-template-columns:minmax(0,340px) minmax(0,1fr);gap:56px}}
.faq-grid h2{font-size:clamp(1.4rem,3vw,2rem);font-weight:750;line-height:1.2;letter-spacing:-.01em}
.faq-grid .faq-intro{margin-top:14px;font-size:15px;color:var(--ink-2);line-height:1.8}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:22px 44px 22px 0;position:relative;
  font-size:16.5px;font-weight:700;line-height:1.5;color:var(--ink);
  transition:color .22s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);
  font-size:24px;font-weight:400;color:var(--ink-2);line-height:1;
  transition:transform .28s var(--ease),color .22s var(--ease);
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg);color:var(--ink)}
.faq-item summary:hover{color:var(--ink-2)}
.faq-item .faq-answer{padding:0 44px 24px 0;font-size:15.5px;line-height:1.8;color:var(--ink-2)}

/* ---------- CTA ---------- */
.cta-band{
  margin-top:76px;
  position:relative;overflow:hidden;border-radius:16px;
  background:var(--ink);color:#EDEFE8;
  padding:48px 28px;
}
@media (min-width:768px){.cta-band{padding:56px 56px}}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.24;mix-blend-mode:luminosity;pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:26px;align-items:center}
@media (min-width:992px){.cta-inner{grid-template-columns:minmax(0,1fr) auto;gap:48px}}
.cta-inner .eyebrow{color:#B9BFB6}
.cta-inner h2{color:#fff;font-size:clamp(1.5rem,3.2vw,2.3rem);font-weight:750;line-height:1.22;letter-spacing:-.01em;max-width:22em}
.cta-inner p{margin-top:14px;color:#B9BFB6;font-size:15.5px;max-width:52em}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.btn-solid{
  display:inline-flex;align-items:center;gap:9px;
  padding:14px 30px;border-radius:var(--r-pill);border:1px solid var(--lime);
  background:var(--lime);color:var(--ink);font-weight:700;font-size:15.5px;
  transition:transform .22s var(--ease),background-color .22s var(--ease),box-shadow .25s var(--ease);
}
.btn-solid:hover{background:var(--lime-dark);border-color:var(--lime-dark);color:var(--ink);transform:translateY(-2px);box-shadow:0 16px 30px -18px rgba(200,255,61,.8)}
.btn-solid:active{transform:translateY(0) scale(.99)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 28px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:transparent;color:var(--ink);font-weight:600;font-size:15.5px;
  transition:all .22s var(--ease);
}
.btn-ghost:hover{border-color:var(--ink);background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-ghost.on-dark{border-color:var(--line-dark);color:#EDEFE8}
.btn-ghost.on-dark:hover{background:#fff;border-color:#fff;color:var(--ink)}
.back-row{margin-top:22px}
.back-row a{display:inline-flex;align-items:center;gap:9px;font-size:14.5px;font-weight:600;color:var(--ink-2)}
.back-row a i{transition:transform .22s var(--ease)}
.back-row a:hover{color:var(--ink)}
.back-row a:hover i{transform:translateX(-4px)}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:84px;background:var(--ink);color:var(--ink-3);padding:0 0 28px}
.footer-top-line{height:2px;width:64px;background:var(--lime);margin:0 0 44px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:38px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1100px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:44px}}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand .brand-mark{background:var(--lime);color:var(--ink)}
.footer-brand b{color:#fff;font-size:17px;font-weight:800;letter-spacing:-.01em}
.site-footer p{font-size:14.5px;line-height:1.85;max-width:34em}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.site-footer ul li{margin-bottom:11px;font-size:14.5px}
.site-footer ul li a:hover{color:#fff}
.footer-contact li{display:flex;align-items:flex-start;gap:10px}
.footer-contact i{color:var(--lime);font-size:14px;margin-top:5px}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13.5px;color:#8F958C;
}
.footer-bottom span{font-family:var(--font-sans)}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}
@media (max-width:860px){
  .header-main{flex-wrap:wrap;gap:12px}
  .nav-search{order:3;flex:1 1 100%;max-width:none;margin-inline:0}
  .nav-tools{margin-left:auto}
}
@media (max-width:520px){
  .brand-text{font-size:15.5px}
  .tool-link span{display:none}
  .tool-link{padding:9px 11px}
}

/* roulang page: category1 */
:root{
  --ink:#14171A;
  --graphite:#4A5054;
  --muted:#7C827A;
  --paper:#F6F6F1;
  --white:#FFFFFF;
  --lime:#C8FF3D;
  --lime-dark:#A8E01C;
  --orange:#FF5B21;
  --line:#E2E2D9;
  --line-dark:rgba(255,255,255,.12);
  --ink-soft:#B9BFB6;
  --radius-card:14px;
  --radius-img:12px;
  --radius-pill:999px;
  --shadow-hover:0 18px 40px -20px rgba(20,23,26,.25);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"Inter Tight","Archivo",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;background:var(--paper);color:var(--ink);
  font-family:var(--font-cn);font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease);}
h1,h2,h3,h4{margin:0;line-height:1.2;font-weight:750;letter-spacing:0;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button,input,select{font:inherit;color:inherit;}
button{cursor:pointer;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px;}

.container-x{max-width:1320px;margin:0 auto;padding:0 24px;width:100%;}
.section{padding:78px 0;}
.section-tight{padding:56px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:38px;flex-wrap:wrap;}
.kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  letter-spacing:.02em;color:var(--graphite);background:var(--white);
  border:1px solid var(--line);border-radius:6px;padding:3px 10px;margin-bottom:14px;
}
.kicker i{color:var(--ink);}
.h2{font-size:clamp(1.5rem,3.2vw,2.4rem);font-weight:750;line-height:1.15;}
.section-sub{color:var(--graphite);font-size:15px;max-width:640px;margin-top:12px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;
  color:var(--ink);border-bottom:1px solid transparent;padding-bottom:2px;
}
.link-arrow i{transition:transform .28s var(--ease);font-size:13px;}
.link-arrow:hover{border-bottom-color:var(--ink);}
.link-arrow:hover i{transform:translateX(4px);}

/* ============ 顶部信息条 ============ */
.top-strip{background:var(--ink);color:var(--ink-soft);font-size:13px;}
.top-strip .container-x{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px;}
.top-strip .strip-left{display:flex;align-items:center;gap:18px;}
.top-strip .strip-left span{display:inline-flex;align-items:center;gap:6px;white-space:nowrap;}
.top-strip i{color:var(--lime);font-size:12px;}
.top-strip a:hover{color:var(--white);}

/* ============ 搜索主导导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;background:rgba(246,246,241,.94);
  backdrop-filter:saturate(160%) blur(10px);border-bottom:1px solid transparent;
  transition:border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:0 10px 30px -24px rgba(20,23,26,.5);}
.header-main{
  display:grid;grid-template-columns:auto minmax(280px,44%) auto;align-items:center;
  gap:28px;padding:18px 0 14px;transition:padding .28s var(--ease);
}
.site-header.is-stuck .header-main{padding:12px 0 10px;}
.brand{display:inline-flex;align-items:center;gap:10px;white-space:nowrap;}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:10px;background:var(--ink);color:var(--lime);
  display:inline-flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;
}
.brand-name{font-size:17px;font-weight:800;letter-spacing:-.01em;}
.search-box{
  display:flex;align-items:center;gap:10px;background:var(--white);border:1px solid var(--line);
  border-radius:var(--radius-pill);padding:5px 5px 5px 18px;height:50px;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease),height .24s var(--ease);
}
.site-header.is-stuck .search-box{height:44px;}
.search-box:focus-within{border-color:var(--lime-dark);box-shadow:0 0 0 4px rgba(200,255,61,.35);}
.search-box > i{color:var(--muted);font-size:15px;}
.search-box input{
  flex:1;min-width:0;border:0;background:transparent;font-size:15px;outline:none;
}
.search-box input::placeholder{color:#9AA096;}
.search-box button{
  border:0;background:var(--lime);color:var(--ink);font-weight:700;font-size:15px;
  border-radius:var(--radius-pill);padding:0 22px;height:38px;display:inline-flex;align-items:center;gap:6px;
  transition:background .24s var(--ease),transform .18s var(--ease);
}
.search-box button:hover{background:var(--lime-dark);transform:translateY(-2px);}
.search-box button:active{transform:translateY(0) scale(.99);}
.header-tools{display:flex;align-items:center;gap:20px;font-size:14px;}
.tool-link{display:inline-flex;align-items:center;gap:7px;color:var(--graphite);font-weight:600;white-space:nowrap;}
.tool-link:hover{color:var(--ink);}
.tool-link i{font-size:15px;}
.cart-badge{
  min-width:18px;height:18px;border-radius:9px;background:var(--orange);color:#fff;
  font-size:11px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;
  padding:0 5px;font-family:var(--font-num);margin-left:-2px;
}
.nav-cats{display:flex;align-items:center;gap:8px;padding-bottom:14px;overflow-x:auto;scrollbar-width:none;}
.nav-cats::-webkit-scrollbar{display:none;}
.cat-pill{
  display:inline-flex;align-items:center;gap:7px;white-space:nowrap;font-size:14px;font-weight:600;
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-pill);
  padding:7px 16px;color:var(--graphite);
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .18s var(--ease);
}
.cat-pill i{font-size:13px;}
.cat-pill:hover{border-color:var(--ink);color:var(--ink);transform:translateY(-1px);}
.cat-pill.is-active{background:var(--ink);border-color:var(--ink);color:#fff;}
.cat-pill.is-active i{color:var(--lime);}

/* ============ 分类页头图 ============ */
.page-hero{
  position:relative;color:#fff;background-color:var(--ink);
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  padding:54px 0 64px;overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(20,23,26,.94) 0%,rgba(20,23,26,.86) 46%,rgba(20,23,26,.62) 100%);
}
.page-hero .container-x{position:relative;z-index:2;}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.68);margin-bottom:26px;flex-wrap:wrap;}
.crumbs a:hover{color:var(--lime);}
.crumbs span.sep{opacity:.5;}
.crumbs .current{color:#fff;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  border:1px solid var(--line-dark);border-radius:6px;padding:4px 11px;color:var(--lime);
  background:rgba(255,255,255,.04);margin-bottom:20px;
}
.page-hero h1{
  font-size:clamp(1.9rem,4.6vw,3.35rem);font-weight:800;line-height:1.1;
  max-width:22em;letter-spacing:-.01em;
}
.page-hero .hero-sub{
  color:rgba(255,255,255,.78);font-size:16px;max-width:620px;margin-top:18px;line-height:1.7;
}
.hero-search{
  display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.97);
  border-radius:var(--radius-pill);padding:6px 6px 6px 18px;height:52px;
  max-width:600px;margin-top:28px;transition:box-shadow .24s var(--ease);
}
.hero-search:focus-within{box-shadow:0 0 0 4px rgba(200,255,61,.4);}
.hero-search > i{color:var(--muted);}
.hero-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:15px;}
.hero-search input::placeholder{color:#9AA096;}
.hero-search button{
  border:0;background:var(--ink);color:#fff;font-weight:700;font-size:15px;border-radius:var(--radius-pill);
  height:40px;padding:0 24px;transition:background .24s var(--ease),color .24s var(--ease),transform .18s var(--ease);
}
.hero-search button:hover{background:var(--lime);color:var(--ink);transform:translateY(-2px);}
.hero-facts{display:flex;flex-wrap:wrap;gap:14px 38px;margin-top:34px;}
.hero-facts .fact{display:flex;flex-direction:column;gap:2px;}
.hero-facts .fact b{font-family:var(--font-num);font-size:1.4rem;font-weight:700;color:var(--lime);letter-spacing:-.02em;}
.hero-facts .fact span{font-size:13px;color:rgba(255,255,255,.7);}

/* ============ 保障条 ============ */
.assure-bar{background:var(--white);border-bottom:1px solid var(--line);}
.assure-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.assure-item{display:flex;gap:12px;padding:24px 26px;border-right:1px solid var(--line);align-items:flex-start;}
.assure-item:last-child{border-right:0;}
.assure-item i{font-size:18px;color:var(--ink);margin-top:4px;}
.assure-item b{display:block;font-size:15px;font-weight:700;}
.assure-item span{font-size:13px;color:var(--muted);line-height:1.6;}

/* ============ 筛选 + 商品网格 ============ */
.catalog-layout{display:grid;grid-template-columns:268px 1fr;gap:32px;align-items:start;}
.filter-toggle{display:none;}
.filter-panel{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;position:sticky;top:128px;
}
.filter-panel h3{font-size:15px;font-weight:750;margin-bottom:18px;display:flex;align-items:center;gap:8px;}
.filter-panel h3 i{color:var(--graphite);font-size:14px;}
.filter-group{padding:18px 0;border-top:1px solid var(--line);}
.filter-group:first-of-type{border-top:0;padding-top:0;}
.filter-group h4{font-size:13px;font-weight:700;color:var(--graphite);letter-spacing:.04em;margin-bottom:12px;}
.check-row{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--graphite);padding:5px 0;cursor:pointer;}
.check-row input{width:16px;height:16px;accent-color:var(--ink);cursor:pointer;}
.check-row:hover{color:var(--ink);}
.range-wrap{padding-top:6px;}
.range-wrap input[type="range"]{width:100%;accent-color:var(--ink);cursor:pointer;}
.range-out{font-family:var(--font-num);font-size:14px;color:var(--ink);font-weight:700;margin-top:8px;}
.filter-reset{
  display:block;text-align:center;margin-top:20px;font-size:14px;font-weight:700;
  border:1px solid var(--line);border-radius:var(--radius-pill);padding:9px 0;
  transition:border-color .22s var(--ease),background .22s var(--ease);
}
.filter-reset:hover{border-color:var(--ink);background:var(--ink);color:#fff;}

.catalog-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:22px;flex-wrap:wrap;}
.catalog-head .count{font-size:14px;color:var(--muted);}
.catalog-head .count b{font-family:var(--font-num);color:var(--ink);font-size:15px;}
.sort-tags{display:flex;gap:8px;flex-wrap:wrap;}
.sort-tag{
  font-size:13.5px;font-weight:600;color:var(--graphite);border:1px solid var(--line);
  background:var(--white);border-radius:var(--radius-pill);padding:6px 14px;
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.sort-tag:hover{border-color:var(--ink);color:var(--ink);}
.sort-tag.is-active{background:var(--ink);border-color:var(--ink);color:#fff;}

.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.p-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:border-color .26s var(--ease),box-shadow .26s var(--ease),transform .26s var(--ease);
}
.p-card:hover{border-color:var(--ink);box-shadow:var(--shadow-hover);transform:translateY(-3px);}
.p-card--wide{grid-column:span 2;flex-direction:row;}
.p-card--wide .p-media{flex:1 1 52%;aspect-ratio:auto;min-height:300px;}
.p-card--wide .p-body{flex:1 1 48%;}
.p-media{position:relative;overflow:hidden;aspect-ratio:16/10;background:#EDEDE6;}
.p-media img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease);}
.p-card:hover .p-media img{transform:scale(1.04);}
.p-badge-row{position:absolute;top:12px;left:12px;display:flex;gap:8px;flex-wrap:wrap;}
.badge-flat{background:var(--paper);color:var(--ink);border-radius:6px;padding:3px 9px;font-size:12px;font-weight:700;}
.badge-hot{background:var(--orange);color:#fff;border-radius:6px;padding:3px 9px;font-size:12px;font-weight:700;}
.p-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.p-title{font-size:17px;font-weight:700;line-height:1.4;}
.p-card--wide .p-title{font-size:21px;}
.p-title a{
  background-image:linear-gradient(currentColor,currentColor);background-size:0% 1px;
  background-position:0 100%;background-repeat:no-repeat;transition:background-size .28s var(--ease);
}
.p-card:hover .p-title a{background-size:100% 1px;}
.p-desc{font-size:14px;color:var(--graphite);line-height:1.7;}
.p-specs{display:flex;flex-wrap:wrap;gap:6px;}
.spec{
  font-size:12.5px;color:var(--graphite);border:1px solid var(--line);border-radius:var(--radius-pill);
  padding:3px 11px;background:var(--white);white-space:nowrap;
}
.p-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px solid var(--line);}
.price{font-family:var(--font-num);font-size:1.45rem;font-weight:700;letter-spacing:-.02em;}
.price small{font-size:.72rem;color:var(--muted);font-weight:600;margin-left:2px;}
.btn-ink-sm{
  border:0;background:var(--ink);color:#fff;font-size:13.5px;font-weight:700;
  border-radius:var(--radius-pill);padding:9px 18px;white-space:nowrap;
  transition:background .22s var(--ease),color .22s var(--ease),transform .18s var(--ease);
}
.btn-ink-sm:hover{background:var(--lime);color:var(--ink);transform:translateY(-2px);}
.btn-ink-sm:active{transform:translateY(0) scale(.99);}

/* ============ 深色场景区 ============ */
.dark-block{
  position:relative;background-color:var(--ink);color:#fff;padding:78px 0;overflow:hidden;
  background-image:url('/assets/images/backpic/back-3.webp');background-size:cover;background-position:center;
}
.dark-block::before{content:"";position:absolute;inset:0;background:rgba(20,23,26,.9);}
.dark-block .container-x{position:relative;z-index:2;}
.dark-block .section-sub{color:var(--ink-soft);}
.dark-block .kicker{background:rgba(255,255,255,.05);border-color:var(--line-dark);color:var(--ink-soft);}
.dark-block .kicker i{color:var(--lime);}
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:8px;}
.scene-card{
  border:1px solid var(--line-dark);border-radius:var(--radius-card);overflow:hidden;
  background:rgba(255,255,255,.03);display:flex;flex-direction:column;
  transition:transform .28s var(--ease),border-color .28s var(--ease),background .28s var(--ease);
}
.scene-card:hover{transform:translateY(-4px);border-color:rgba(200,255,61,.55);background:rgba(255,255,255,.06);}
.scene-media{aspect-ratio:16/9;overflow:hidden;background:#22262A;}
.scene-media img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease);}
.scene-card:hover .scene-media img{transform:scale(1.04);}
.scene-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.scene-num{font-family:var(--font-num);font-size:1.05rem;font-weight:700;color:var(--lime);letter-spacing:-.02em;}
.scene-body h3{font-size:1.1rem;font-weight:700;}
.scene-body p{font-size:14px;color:var(--ink-soft);line-height:1.7;}
.scene-list{display:flex;flex-direction:column;gap:6px;margin-top:2px;}
.scene-list li{font-size:13.5px;color:rgba(255,255,255,.82);display:flex;gap:9px;align-items:flex-start;}
.scene-list li::before{content:"";width:5px;height:5px;background:var(--lime);border-radius:2px;margin-top:9px;flex:0 0 5px;}

/* ============ 流程 ============ */
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;}
.step{border-top:1px solid var(--line);padding-top:22px;position:relative;}
.step::after{content:"";position:absolute;top:-1px;left:0;width:34px;height:2px;background:var(--ink);}
.step-num{font-family:var(--font-num);font-size:1.5rem;font-weight:700;letter-spacing:-.03em;color:var(--ink);}
.step h3{font-size:1.03rem;font-weight:700;margin:10px 0 8px;}
.step p{font-size:14px;color:var(--graphite);line-height:1.7;}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:340px 1fr;gap:52px;align-items:start;}
.faq-aside p{color:var(--graphite);font-size:15px;margin-top:14px;}
.faq-aside .faq-contact{
  margin-top:24px;display:inline-flex;align-items:center;gap:9px;font-size:14px;font-weight:700;
  border:1px solid var(--line);background:var(--white);border-radius:var(--radius-pill);padding:10px 18px;
  transition:border-color .22s var(--ease),background .22s var(--ease),color .22s var(--ease);
}
.faq-aside .faq-contact:hover{background:var(--ink);border-color:var(--ink);color:#fff;}
.faq .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line);}
.faq .accordion-item:first-child{border-top:1px solid var(--line);}
.faq .accordion-header{margin:0;}
.faq .accordion-button{
  background:transparent;box-shadow:none;color:var(--ink);font-size:16.5px;font-weight:700;
  padding:22px 46px 22px 0;line-height:1.5;border-radius:0;position:relative;
}
.faq .accordion-button:not(.collapsed){background:transparent;color:var(--ink);box-shadow:none;}
.faq .accordion-button:focus{box-shadow:none;outline:2px solid var(--lime);outline-offset:-2px;}
.faq .accordion-button::after{
  content:"+";background-image:none;width:auto;height:auto;font-size:24px;font-weight:400;
  color:var(--graphite);position:absolute;right:6px;top:50%;margin:0;transform:translateY(-50%);
  transition:transform .3s var(--ease),color .3s var(--ease);line-height:1;
}
.faq .accordion-button:not(.collapsed)::after{transform:translateY(-50%) rotate(45deg);color:var(--ink);}
.faq .accordion-body{padding:0 60px 26px 0;font-size:15px;line-height:1.85;color:var(--graphite);}
.faq .accordion-body strong{color:var(--ink);}

/* ============ CTA ============ */
.cta-block{
  position:relative;background-color:var(--ink);color:#fff;border-radius:18px;overflow:hidden;
  padding:58px 52px;background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.cta-block::before{content:"";position:absolute;inset:0;background:linear-gradient(96deg,rgba(20,23,26,.95),rgba(20,23,26,.72));}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.4fr 1fr;gap:36px;align-items:center;}
.cta-inner h2{font-size:clamp(1.5rem,3vw,2.2rem);font-weight:800;line-height:1.18;}
.cta-inner p{color:var(--ink-soft);font-size:15px;margin-top:14px;max-width:560px;}
.cta-actions{display:flex;flex-direction:column;gap:12px;}
.btn-lime{
  border:0;background:var(--lime);color:var(--ink);font-weight:700;font-size:16px;
  border-radius:var(--radius-pill);padding:15px 34px;text-align:center;
  transition:background .22s var(--ease),transform .2s var(--ease),box-shadow .22s var(--ease);
}
.btn-lime:hover{background:var(--lime-dark);transform:translateY(-2px);box-shadow:0 14px 30px -18px rgba(200,255,61,.9);}
.btn-lime:active{transform:translateY(0) scale(.99);}
.btn-line{
  border:1px solid rgba(255,255,255,.42);background:transparent;color:#fff;font-weight:700;font-size:16px;
  border-radius:var(--radius-pill);padding:15px 34px;text-align:center;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .2s var(--ease);
}
.btn-line:hover{background:#fff;color:var(--ink);border-color:#fff;transform:translateY(-2px);}
.cta-note{margin-top:18px;font-size:13px;color:rgba(255,255,255,.62);}

/* ============ 最新信息入口 ============ */
.news-strip{border-top:1px solid var(--line);background:var(--white);padding:52px 0;}
.news-layout{display:grid;grid-template-columns:1fr 1.3fr;gap:44px;align-items:center;}
.news-links{display:flex;flex-direction:column;}
.news-links a{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:15px 4px;border-bottom:1px solid var(--line);font-size:15px;font-weight:600;
  transition:padding-left .24s var(--ease),color .24s var(--ease);
}
.news-links a:first-child{border-top:1px solid var(--line);}
.news-links a i{font-size:13px;color:var(--muted);transition:transform .24s var(--ease),color .24s var(--ease);}
.news-links a:hover{padding-left:12px;color:var(--ink);}
.news-links a:hover i{transform:translateX(4px);color:var(--ink);}
.news-links a span.meta{font-family:var(--font-num);font-size:12.5px;color:var(--muted);font-weight:600;margin-left:auto;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:var(--ink-soft);padding:64px 0 28px;font-size:14px;}
.footer-top-line{width:56px;height:2px;background:var(--lime);margin-bottom:38px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--lime);color:var(--ink);}
.footer-brand b{color:#fff;font-size:16px;font-weight:800;}
.site-footer p{line-height:1.8;color:var(--ink-soft);max-width:420px;}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;}
.site-footer ul li{margin-bottom:10px;}
.site-footer ul li a:hover{color:var(--lime);}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;line-height:1.6;}
.footer-contact i{color:var(--lime);font-size:14px;margin-top:4px;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line-dark);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8E948B;
}

/* ============ 揭示动画 ============ */
[data-reveal]{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
[data-reveal].is-visible{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .header-main{grid-template-columns:auto 1fr auto;gap:20px;}
  .catalog-layout{grid-template-columns:238px 1fr;gap:24px;}
  .product-grid{grid-template-columns:repeat(2,1fr);gap:22px;}
  .p-card--wide{grid-column:span 2;flex-direction:column;}
  .p-card--wide .p-media{aspect-ratio:16/10;min-height:0;}
  .faq-layout{grid-template-columns:280px 1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:991px){
  .section{padding:58px 0;}
  .header-main{grid-template-columns:auto auto;gap:14px;padding:14px 0 12px;}
  .search-box{grid-column:1 / -1;order:3;height:46px;}
  .site-header.is-stuck .search-box{height:44px;}
  .header-tools{margin-left:auto;}
  .catalog-layout{grid-template-columns:1fr;}
  .filter-toggle{
    display:inline-flex;align-items:center;gap:9px;background:var(--white);border:1px solid var(--line);
    border-radius:var(--radius-pill);padding:10px 18px;font-size:14px;font-weight:700;margin-bottom:18px;
  }
  .filter-toggle:hover{border-color:var(--ink);}
  .filter-panel{position:static;display:none;margin-bottom:24px;}
  .filter-panel.is-open{display:block;}
  .assure-grid{grid-template-columns:repeat(2,1fr);}
  .assure-item:nth-child(2){border-right:0;}
  .assure-item:nth-child(1),.assure-item:nth-child(2){border-bottom:1px solid var(--line);}
  .scene-grid{grid-template-columns:1fr;}
  .steps-grid{grid-template-columns:repeat(2,1fr);gap:22px;}
  .faq-layout{grid-template-columns:1fr;gap:26px;}
  .cta-block{padding:44px 28px;}
  .cta-inner{grid-template-columns:1fr;gap:26px;}
  .news-layout{grid-template-columns:1fr;gap:26px;}
}
@media (max-width:575px){
  .container-x{padding:0 20px;}
  .top-strip .container-x{justify-content:flex-start;}
  .top-strip .strip-right{display:none;}
  .brand-name{font-size:15px;}
  .header-tools .tool-link span.tool-text{display:none;}
  .page-hero{padding:34px 0 46px;}
  .page-hero h1{font-size:1.72rem;}
  .hero-facts{gap:12px 24px;}
  .hero-facts .fact b{font-size:1.2rem;}
  .assure-grid{grid-template-columns:1fr;}
  .assure-item{border-right:0;border-bottom:1px solid var(--line);padding:20px;}
  .assure-item:last-child{border-bottom:0;}
  .product-grid{grid-template-columns:1fr;}
  .p-card--wide{grid-column:span 1;}
  .steps-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .cta-block{border-radius:14px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-property:opacity !important;transition-duration:.2s !important;}
  [data-reveal]{transform:none !important;}
}

/* roulang page: category3 */
:root{
  --ink:#14171A;
  --graphite:#4A5054;
  --muted:#7C8388;
  --paper:#F6F6F1;
  --white:#FFFFFF;
  --lime:#C8FF3D;
  --lime-deep:#A8E01C;
  --orange:#FF5B21;
  --line:#E2E2D9;
  --line-dark:rgba(255,255,255,.12);
  --r-card:14px;
  --r-img:12px;
  --r-input:12px;
  --r-pill:999px;
  --r-badge:6px;
  --shadow-hover:0 18px 40px -20px rgba(20,23,26,.25);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Hiragino Sans GB",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --font-num:"Inter Tight","SFMono-Regular",ui-monospace,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:0;line-height:1.18}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime-deep);outline-offset:2px;border-radius:4px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:-.02em}

.container-x{width:100%;max-width:1320px;margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,246,241,.94);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .25s var(--ease),background .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.is-stuck{background:rgba(255,255,255,.97);border-bottom-color:var(--line);box-shadow:0 10px 30px -26px rgba(20,23,26,.65)}
.nav-main{display:flex;align-items:center;gap:26px;padding:14px 0 8px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--ink);color:var(--lime);
  display:grid;place-items:center;font-weight:800;font-size:19px;line-height:1;letter-spacing:0;
}
.brand-text b{display:block;font-size:16.5px;font-weight:800;line-height:1.25}
.brand-text em{display:block;font-style:normal;font-size:12px;color:var(--muted);line-height:1.4}
.nav-search{
  position:relative;flex:1 1 auto;max-width:620px;margin:0 auto;
  display:flex;align-items:center;
  background:var(--white);border:1px solid var(--line);
  border-radius:var(--r-pill);padding:4px 4px 4px 16px;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.nav-search:focus-within{border-color:var(--lime-deep);box-shadow:0 0 0 4px rgba(200,255,61,.35)}
.nav-search > i{color:var(--muted);font-size:14px}
.nav-search input{flex:1;min-width:0;border:0;background:transparent;padding:10px 12px;outline:none;font-size:15px}
.nav-search input::placeholder{color:var(--muted)}
.nav-search button{
  border:0;background:var(--lime);color:var(--ink);font-weight:700;font-size:14.5px;
  border-radius:var(--r-pill);padding:9px 22px;cursor:pointer;
  transition:background .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search button:hover{background:var(--lime-deep);box-shadow:0 10px 20px -12px rgba(168,224,28,.9)}
.nav-search button:active{transform:scale(.99)}
.nav-actions{display:flex;align-items:center;gap:6px;flex:0 0 auto}
.icon-btn{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 14px;border-radius:var(--r-pill);border:1px solid transparent;
  font-size:14px;color:var(--graphite);
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.icon-btn:hover{background:var(--white);border-color:var(--line);color:var(--ink)}
.nav-toggle{
  display:none;align-items:center;gap:7px;
  border:1px solid var(--line);background:var(--white);
  border-radius:var(--r-pill);padding:9px 16px;font-size:14px;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--ink)}
.nav-cats{display:flex;gap:8px;padding:6px 0 14px;overflow-x:auto;scrollbar-width:none}
.nav-cats::-webkit-scrollbar{display:none}
.cat-pill{
  display:inline-flex;align-items:center;gap:7px;white-space:nowrap;
  padding:8px 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--white);
  font-size:14px;color:var(--graphite);
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.cat-pill i{font-size:12.5px;opacity:.75}
.cat-pill:hover{border-color:var(--ink);color:var(--ink);transform:translateY(-1px)}
.cat-pill.is-active{background:var(--ink);border-color:var(--ink);color:#fff}
.cat-pill.is-active i{opacity:.9}

/* ---------- breadcrumb ---------- */
.crumb{padding:22px 0 0;font-size:13.5px;color:var(--muted)}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:9px}
.crumb li{display:flex;align-items:center;gap:9px}
.crumb li::after{content:"/";color:#C6C7BE}
.crumb li:last-child::after{display:none}
.crumb a:hover{color:var(--ink);text-decoration:underline}
.crumb [aria-current]{color:var(--graphite);font-weight:600}

/* ---------- hero ---------- */
.cat-hero{position:relative;margin-top:20px;overflow:hidden;border-radius:18px;background:var(--ink);color:#fff;isolation:isolate}
.cat-hero-bg{position:absolute;inset:0;background-image:url("/assets/images/backpic/back-2.png");background-size:cover;background-position:center;opacity:.4;z-index:0}
.cat-hero::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:
    radial-gradient(760px 380px at 88% 12%, rgba(200,255,61,.18), transparent 62%),
    linear-gradient(104deg, rgba(20,23,26,.96) 0%, rgba(20,23,26,.82) 46%, rgba(20,23,26,.5) 100%);
}
.cat-hero-inner{position:relative;z-index:2;padding:66px 0 62px;max-width:820px}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.1);border:1px solid var(--line-dark);color:#EDF2E4;
  border-radius:var(--r-pill);padding:6px 14px;font-size:13px;
}
.hero-badge i{color:var(--lime);font-size:12px}
.cat-hero h1{
  margin:20px 0 16px;
  font-size:clamp(2rem,4.6vw,3.4rem);font-weight:800;line-height:1.1;
}
.cat-hero h1 span{color:var(--lime)}
.cat-hero .lead{font-size:16.5px;color:#CBD2C8;max-width:660px}
.hero-search{
  display:flex;align-items:center;gap:8px;max-width:560px;margin:26px 0 0;
  background:rgba(255,255,255,.96);border-radius:var(--r-pill);padding:5px 5px 5px 16px;
  border:1px solid rgba(255,255,255,.35);
}
.hero-search i{color:var(--muted);font-size:14px}
.hero-search input{flex:1;min-width:0;border:0;background:transparent;padding:11px 10px;outline:none;font-size:15px;color:var(--ink)}
.hero-search input::placeholder{color:#9AA09B}
.hero-search button{border:0;background:var(--ink);color:#fff;border-radius:var(--r-pill);padding:10px 22px;font-weight:700;font-size:14.5px;cursor:pointer;transition:background .2s var(--ease)}
.hero-search button:hover{background:#000}
.hero-stats{display:flex;flex-wrap:wrap;gap:34px;margin-top:34px;padding-top:26px;border-top:1px solid var(--line-dark)}
.hero-stats div b{display:block;font-family:var(--font-num);font-size:1.6rem;font-weight:700;letter-spacing:-.02em;color:#fff}
.hero-stats div span{display:block;font-size:13px;color:#A9B0A5;margin-top:2px}

/* ---------- section heading ---------- */
.section{padding:76px 0 0}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:38px}
.section-head .tag{margin-bottom:12px}
.section-head h2{font-size:clamp(1.5rem,3vw,2.3rem);font-weight:750;max-width:640px}
.section-head p{color:var(--graphite);font-size:15px;margin-top:10px;max-width:560px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  background:#EFEFE7;color:var(--ink);
  border-radius:var(--r-badge);padding:5px 11px;font-size:12.5px;font-weight:600;
}
.tag.is-lime{background:var(--lime);color:var(--ink)}
.tag.is-orange{background:var(--orange);color:#fff}
.tag-dark{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.1);border:1px solid var(--line-dark);color:#E7ECDF;border-radius:var(--r-badge);padding:5px 11px;font-size:12.5px}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-weight:700;font-size:14.5px;color:var(--ink);
  border-bottom:1px solid transparent;padding-bottom:2px;
  transition:border-color .22s var(--ease),color .22s var(--ease);
}
.link-arrow i{transition:transform .24s var(--ease);font-size:12.5px}
.link-arrow:hover{border-bottom-color:var(--ink)}
.link-arrow:hover i{transform:translateX(4px)}
.link-arrow.on-dark{color:#fff}
.link-arrow.on-dark:hover{border-bottom-color:var(--lime)}

/* ---------- buttons ---------- */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  border-radius:var(--r-pill);padding:13px 28px;font-weight:700;font-size:15px;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary-x{background:var(--lime);color:var(--ink)}
.btn-primary-x:hover{background:var(--lime-deep);transform:translateY(-2px);box-shadow:0 16px 28px -18px rgba(120,170,10,.95)}
.btn-primary-x:active{transform:translateY(0) scale(.99)}
.btn-ghost-x{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost-x:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-ghost-x:active{transform:translateY(0) scale(.99)}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.35);color:#fff}
.btn-ghost-light:hover{background:#fff;color:var(--ink);transform:translateY(-2px)}
.btn-sm-x{padding:9px 18px;font-size:13.5px}
.btn-x[disabled],.btn-x.is-disabled{opacity:.45;pointer-events:none;transform:none;box-shadow:none}

/* ---------- scene blocks ---------- */
.scene-wrap{border-top:1px solid var(--line);margin-top:60px}
.scene{
  display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,1fr);
  gap:56px;align-items:center;
  padding:58px 0;border-bottom:1px solid var(--line);
}
.scene--rev .scene-media{order:2}
.scene-no{
  font-family:var(--font-num);font-size:clamp(2.4rem,5vw,3.4rem);
  font-weight:700;letter-spacing:-.03em;line-height:1;color:#D6D7CD;
}
.scene h2{font-size:clamp(1.35rem,2.4vw,1.85rem);font-weight:750;margin:14px 0 12px;max-width:520px}
.scene p{color:var(--graphite);font-size:15.5px;max-width:560px}
.point-list{display:grid;gap:10px;margin:20px 0 24px;max-width:560px}
.point-list li{position:relative;padding-left:22px;font-size:15px;color:var(--graphite)}
.point-list li::before{
  content:"";position:absolute;left:0;top:.62em;
  width:8px;height:8px;border-radius:2px;background:var(--lime);border:1px solid var(--lime-deep);
}
.point-list b{color:var(--ink);font-weight:700}
.media{
  position:relative;overflow:hidden;border-radius:var(--r-card);
  background:#E8E8E0;
}
.media img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease)}
.media:hover img{transform:scale(1.04)}
.media-16-10{aspect-ratio:16/10}
.media-4-3{aspect-ratio:4/3}
.media-fb::after{
  content:attr(data-fb);position:absolute;inset:0;display:grid;place-items:center;
  font-size:1.6rem;font-weight:800;color:#A8AEA6;
}

/* ---------- picks ---------- */
.pick-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
.pick-card{
  display:flex;flex-direction:column;
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease),transform .24s var(--ease);
}
.pick-card:hover{border-color:var(--ink);box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.pick-card .media{border-radius:0;position:relative}
.pick-flag{position:absolute;left:14px;top:14px;z-index:3}
.pick-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.pick-body h3{font-size:1.08rem;font-weight:750}
.pick-body .desc{font-size:14.5px;color:var(--graphite)}
.chip-row{display:flex;flex-wrap:wrap;gap:7px}
.chip{
  display:inline-flex;align-items:center;gap:5px;
  border:1px solid var(--line);border-radius:var(--r-pill);
  padding:4px 11px;font-size:12.5px;color:var(--graphite);background:#FCFCF8;
}
.price-row{display:flex;align-items:baseline;gap:10px;margin-top:auto;padding-top:6px;border-top:1px solid var(--line)}
.price-row .price{font-family:var(--font-num);font-size:1.35rem;font-weight:700;color:var(--ink)}
.price-row .price em{font-style:normal;font-size:.8rem;font-weight:600;color:var(--muted);margin-left:2px}
.price-row .note{font-size:12.5px;color:var(--muted)}

/* ---------- faq ---------- */
.faq-layout{display:grid;grid-template-columns:minmax(0,0.85fr) minmax(0,1.5fr);gap:56px;align-items:start}
.faq-layout h2{font-size:clamp(1.5rem,2.8vw,2.1rem);font-weight:750}
.faq-layout .faq-side p{color:var(--graphite);font-size:15px;margin-top:14px;max-width:380px}
.faq-accordion .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line);border-radius:0}
.faq-accordion .accordion-button{
  background:transparent;box-shadow:none;border-radius:0;
  padding:22px 0;font-size:16.5px;font-weight:700;color:var(--ink);line-height:1.5;
}
.faq-accordion .accordion-button:not(.collapsed){color:var(--ink);background:transparent;box-shadow:none}
.faq-accordion .accordion-button:focus{box-shadow:none;outline:2px solid var(--lime-deep);outline-offset:-3px}
.faq-accordion .accordion-button::after{
  background-image:none;content:"+";font-family:var(--font-num);
  width:auto;height:auto;font-size:22px;font-weight:400;line-height:1;
  color:var(--graphite);margin-left:auto;transition:transform .26s var(--ease),color .26s var(--ease);
}
.faq-accordion .accordion-button:not(.collapsed)::after{transform:rotate(45deg);color:var(--ink)}
.faq-accordion .accordion-button:hover::after{color:var(--ink)}
.faq-accordion .accordion-body{padding:0 0 24px;font-size:15.5px;line-height:1.85;color:var(--graphite);max-width:760px}

/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:18px;background:var(--ink);color:#fff;
  margin-top:76px;isolation:isolate;
}
.cta-band-bg{position:absolute;inset:0;background-image:url("/assets/images/backpic/back-3.webp");background-size:cover;background-position:center;opacity:.22;z-index:0}
.cta-band::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(96deg,rgba(20,23,26,.96),rgba(20,23,26,.6))}
.cta-band-inner{position:relative;z-index:2;padding:58px 56px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px}
.cta-band h2{font-size:clamp(1.5rem,3vw,2.15rem);font-weight:750;max-width:560px}
.cta-band p{color:#C3CABE;font-size:15px;margin-top:12px;max-width:520px}
.cta-band .btn-row{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- news entry ---------- */
.news-entry{
  margin-top:56px;border-top:1px solid var(--line);padding-top:38px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
}
.news-entry h2{font-size:1.4rem;font-weight:750}
.news-entry p{color:var(--graphite);font-size:15px;margin-top:8px;max-width:600px}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#B9BFB6;margin-top:88px;padding:60px 0 30px}
.footer-top-line{width:64px;height:3px;background:var(--lime);border-radius:2px;margin-bottom:38px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:var(--lime);color:var(--ink)}
.footer-brand b{color:#fff;font-size:16.5px;font-weight:800}
.site-footer p{font-size:14.5px;line-height:1.85;color:#A5ACA1}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.site-footer ul{display:grid;gap:11px}
.site-footer ul a{font-size:14.5px;color:#B9BFB6;transition:color .2s var(--ease)}
.site-footer ul a:hover{color:var(--lime)}
.footer-contact li{display:flex;gap:10px;font-size:14.5px;align-items:flex-start;line-height:1.6}
.footer-contact i{color:var(--lime);font-size:13px;margin-top:6px}
.footer-bottom{
  margin-top:46px;padding-top:22px;border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#8B928A;
}

/* ---------- mobile bar ---------- */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;gap:10px;
  padding:8px 16px calc(8px + env(safe-area-inset-bottom));
  background:rgba(255,255,255,.97);border-top:1px solid var(--line);
  backdrop-filter:blur(8px);
}
.mobile-bar .btn-x{flex:1;padding:12px 10px;font-size:14.5px}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .55s var(--ease),transform .55s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .scene{gap:40px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:36px}
}
@media (max-width:991px){
  .nav-main{flex-wrap:wrap;gap:12px;padding:12px 0 6px}
  .brand{order:1}
  .nav-actions{order:2;margin-left:auto}
  .nav-toggle{order:3;display:inline-flex}
  .nav-search{order:4;flex:1 0 100%;max-width:none;margin:4px 0 0}
  .nav-cats{order:5;display:none;flex-direction:column;gap:8px;padding:10px 0 14px;overflow:visible}
  .nav-cats.is-open{display:flex}
  .cat-pill{width:100%;justify-content:flex-start}
  .cat-hero-inner{padding:52px 0 48px}
  .scene{grid-template-columns:1fr;gap:26px;padding:44px 0}
  .scene--rev .scene-media{order:0}
  .pick-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
  .faq-layout{grid-template-columns:1fr;gap:26px}
  .cta-band-inner{padding:44px 32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:575px){
  body{font-size:16px;padding-bottom:70px}
  .container-x{padding:0 20px}
  .hero-stats{gap:22px;margin-top:26px}
  .hero-stats div b{font-size:1.35rem}
  .cat-hero{border-radius:14px;margin-top:14px}
  .section{padding:56px 0 0}
  .pick-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cta-band{border-radius:14px;margin-top:56px}
  .cta-band-inner{padding:36px 22px}
  .cta-band .btn-row{width:100%}
  .cta-band .btn-x{flex:1}
  .mobile-bar{display:flex}
  .site-footer{margin-top:64px;padding-bottom:96px}
  .nav-actions .icon-btn span{display:none}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .reveal{opacity:1 !important;transform:none !important}
  .media:hover img{transform:none}
}

/* roulang page: category2 */
:root{
  --ink:#14171A;
  --ink-soft:#2A2F33;
  --gray:#4A5054;
  --muted:#767D76;
  --paper:#F6F6F1;
  --white:#FFFFFF;
  --lime:#C8FF3D;
  --lime-deep:#A8E01C;
  --orange:#FF5B21;
  --line:#E2E2D9;
  --line-dark:rgba(255,255,255,.12);
  --r-card:14px;
  --r-img:12px;
  --r-btn:999px;
  --r-badge:6px;
  --shadow-hover:0 18px 40px -20px rgba(20,23,26,.25);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Inter Tight",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.75;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--ink)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime-deep);outline-offset:2px;border-radius:4px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.container-x{width:100%;max-width:1320px;margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(246,246,241,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:0 10px 26px -24px rgba(20,23,26,.7)}
.header-main{display:flex;align-items:center;gap:24px;padding:14px 0 10px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;font-weight:800;font-size:17px;letter-spacing:-.01em}
.brand-mark{
  width:36px;height:36px;border-radius:11px;background:var(--ink);color:var(--lime);
  display:grid;place-items:center;font-size:16px;font-weight:800;flex:0 0 auto;
}
.search-form{position:relative;flex:1 1 auto;max-width:620px;margin:0 auto}
.search-form .s-icon{position:absolute;left:18px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:15px;pointer-events:none}
.search-form input{
  width:100%;height:48px;border-radius:var(--r-btn);border:1px solid var(--line);background:var(--white);
  padding:0 124px 0 46px;font-size:15px;outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search-form input::placeholder{color:#9AA09A}
.search-form input:focus{border-color:var(--lime-deep);box-shadow:0 0 0 4px rgba(200,255,61,.32)}
.search-btn{
  position:absolute;right:5px;top:5px;height:38px;padding:0 22px;border:0;border-radius:var(--r-btn);
  background:var(--lime);color:var(--ink);font-weight:700;font-size:14.5px;cursor:pointer;
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.search-btn:hover{background:var(--lime-deep);transform:translateY(-1px)}
.search-btn:active{transform:translateY(0) scale(.99)}
.header-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.icon-btn{
  position:relative;display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 16px;
  border:1px solid var(--line);border-radius:var(--r-btn);background:var(--white);
  font-size:14px;color:var(--gray);cursor:pointer;transition:all .2s var(--ease);
}
.icon-btn:hover{border-color:var(--ink);color:var(--ink);transform:translateY(-1px)}
.icon-btn .badge-dot{
  position:absolute;top:-5px;right:-5px;min-width:19px;height:19px;padding:0 5px;border-radius:999px;
  background:var(--orange);color:#fff;font-size:11px;line-height:19px;text-align:center;font-weight:700;
}
.nav-cats{display:flex;gap:10px;padding:0 0 13px;overflow-x:auto;scrollbar-width:none}
.nav-cats::-webkit-scrollbar{display:none}
.cat-pill{
  display:inline-flex;align-items:center;gap:8px;white-space:nowrap;
  padding:7px 16px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:var(--white);color:var(--gray);font-size:14px;
  transition:all .2s var(--ease);
}
.cat-pill:hover{border-color:var(--ink);color:var(--ink);transform:translateY(-1px)}
.cat-pill.is-active{background:var(--ink);border-color:var(--ink);color:#F3F5EE}
.cat-pill i{font-size:13px;opacity:.85}

/* ---------- hero ---------- */
.cat-hero{position:relative;background:var(--ink);color:#fff;overflow:hidden}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;opacity:.42;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(20,23,26,.95) 0%,rgba(20,23,26,.78) 46%,rgba(20,23,26,.5) 100%);
}
.hero-inner{position:relative;z-index:2;padding:84px 0 76px}
.breadcrumb-x{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:#B9BFB6;margin-bottom:22px}
.breadcrumb-x a{color:#B9BFB6}
.breadcrumb-x a:hover{color:var(--lime)}
.breadcrumb-x .sep{opacity:.5}
.breadcrumb-x .current{color:#fff}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-badge);
  background:rgba(200,255,61,.14);border:1px solid rgba(200,255,61,.4);color:var(--lime);
  font-size:13px;font-weight:600;margin-bottom:20px;
}
.hero-inner h1{
  font-size:clamp(2.1rem,5vw,3.7rem);font-weight:800;line-height:1.08;letter-spacing:-.01em;
  max-width:19ch;
}
.hero-inner h1 em{font-style:normal;color:var(--lime);display:block;font-size:.56em;font-weight:700;margin-top:14px;letter-spacing:0}
.hero-lead{margin-top:22px;max-width:62ch;color:#C9CFC6;font-size:16.5px}
.hero-search{max-width:520px;margin-top:30px}
.hero-search .search-form{max-width:100%;margin:0}
.hero-search .search-form input{background:rgba(255,255,255,.96);border-color:transparent}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.btn-lime{
  display:inline-flex;align-items:center;gap:9px;padding:13px 28px;border:0;border-radius:var(--r-btn);
  background:var(--lime);color:var(--ink);font-weight:700;font-size:15.5px;cursor:pointer;
  transition:all .22s var(--ease);
}
.btn-lime:hover{background:var(--lime-deep);transform:translateY(-2px);box-shadow:0 16px 32px -20px rgba(200,255,61,.9);color:var(--ink)}
.btn-lime:active{transform:translateY(0) scale(.99)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:9px;padding:12px 26px;border:1px solid rgba(255,255,255,.32);
  border-radius:var(--r-btn);background:transparent;color:#fff;font-weight:600;font-size:15.5px;cursor:pointer;
  transition:all .22s var(--ease);
}
.btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff;transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0) scale(.99)}
.btn-outline-ink{
  display:inline-flex;align-items:center;gap:9px;padding:12px 26px;border:1px solid var(--ink);
  border-radius:var(--r-btn);background:transparent;color:var(--ink);font-weight:600;font-size:15px;cursor:pointer;
  transition:all .22s var(--ease);
}
.btn-outline-ink:hover{background:var(--ink);color:#F3F5EE;transform:translateY(-2px)}
.btn-outline-ink:active{transform:translateY(0) scale(.99)}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px 40px;margin-top:42px;padding-top:26px;border-top:1px solid var(--line-dark)}
.hero-stats li{display:flex;flex-direction:column;gap:2px}
.hero-stats b{font-family:var(--font-num);font-size:22px;font-weight:700;letter-spacing:-.02em;color:#fff}
.hero-stats span{font-size:13px;color:#9BA39A}

/* ---------- sections ---------- */
.section{padding:88px 0}
.section.tight{padding:64px 0}
.section-alt{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-ink{background:var(--ink);color:#fff}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:36px}
.sec-label{
  display:inline-block;padding:5px 12px;border-radius:var(--r-badge);background:var(--paper);
  border:1px solid var(--line);font-size:13px;color:var(--gray);margin-bottom:14px;
}
.section-ink .sec-label{background:rgba(255,255,255,.06);border-color:var(--line-dark);color:#B9BFB6}
.sec-head h2{font-size:clamp(1.5rem,3vw,2.3rem);font-weight:750;line-height:1.18;letter-spacing:-.01em;max-width:26ch}
.sec-head p{margin-top:12px;color:var(--muted);max-width:60ch}
.section-ink .sec-head p{color:#B9BFB6}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;border-bottom:1px solid transparent;padding-bottom:2px}
.link-arrow i{transition:transform .22s var(--ease)}
.link-arrow:hover i{transform:translateX(4px)}
.link-arrow:hover{border-bottom-color:currentColor}

/* two-col explain */
.explain-grid{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:56px;align-items:start}
.explain-grid h2{font-size:clamp(1.4rem,2.6vw,2rem);font-weight:750;line-height:1.2;margin-bottom:16px}
.explain-grid .sub{color:var(--muted);font-size:15.5px}
.point-list{display:grid;gap:0}
.point-list li{
  display:grid;grid-template-columns:auto 1fr;gap:16px;padding:20px 0;border-top:1px solid var(--line);
}
.point-list li:last-child{border-bottom:1px solid var(--line)}
.point-list .p-no{font-family:var(--font-num);font-size:13px;color:var(--lime-deep);font-weight:700;padding-top:3px}
.point-list b{display:block;font-size:16.5px;margin-bottom:6px}
.point-list p{color:var(--muted);font-size:15px}

/* ---------- comparison matrix ---------- */
.cmp-desktop{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-card);background:var(--white);-webkit-overflow-scrolling:touch}
table.cmp{width:100%;min-width:940px;border-collapse:separate;border-spacing:0;font-size:14.5px}
table.cmp thead th{
  background:var(--ink);color:#fff;text-align:left;vertical-align:top;
  padding:22px 18px;font-weight:700;border-bottom:1px solid var(--ink);
}
table.cmp thead th:first-child{width:190px;color:#B9BFB6;font-weight:600;font-size:13.5px;vertical-align:bottom}
table.cmp thead th+th{border-left:1px solid var(--line-dark)}
.mhead{display:flex;flex-direction:column;gap:10px;min-width:150px}
.mhead img{width:100%;height:82px;object-fit:cover;border-radius:8px;opacity:.92}
.mhead .m-name{font-size:15.5px;font-weight:750;letter-spacing:0}
.mhead .m-sub{font-size:12.5px;color:#9BA39A;font-weight:500}
.mhead .m-price{font-family:var(--font-num);font-size:19px;font-weight:700;color:var(--lime);letter-spacing:-.02em}
table.cmp tbody td{padding:15px 18px;border-bottom:1px solid var(--line);color:var(--gray);vertical-align:top}
table.cmp tbody tr:last-child td{border-bottom:0}
table.cmp tbody td:first-child{
  background:#FBFBF7;color:var(--ink);font-weight:600;font-size:14px;
  border-right:1px solid var(--line);position:sticky;left:0;
}
table.cmp tbody tr:hover td{background:#F4F7EC}
table.cmp tbody tr:hover td:first-child{background:#EDF2E2}
.dot-diff{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--orange);margin-right:7px;vertical-align:1px}
.cmp-note{margin-top:14px;font-size:13.5px;color:var(--muted);display:flex;align-items:center;gap:8px}
.cmp-note .dot-diff{margin-right:0}

/* mobile compare cards */
.cmp-mobile{display:none;gap:18px}
.mcard{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:20px;
  transition:all .25s var(--ease);
}
.mcard:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);border-color:#D4D4C6}
.mcard-head{display:flex;gap:14px;align-items:center;margin-bottom:16px}
.mcard-head img{width:78px;height:62px;object-fit:cover;border-radius:var(--r-img)}
.mcard-head .m-name{font-weight:750;font-size:16px}
.mcard-head .m-price{font-family:var(--font-num);font-size:18px;font-weight:700;color:var(--orange);letter-spacing:-.02em}
.mcard dl{display:grid;gap:0;margin:0}
.mcard dl>div{display:flex;justify-content:space-between;gap:14px;padding:10px 0;border-top:1px solid var(--line);font-size:14.5px}
.mcard dt{color:var(--muted);font-weight:500}
.mcard dd{color:var(--ink);text-align:right;margin:0}

/* ---------- scenario cards ---------- */
.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}
.scene-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:28px 26px 30px;
  display:flex;flex-direction:column;gap:14px;transition:all .26s var(--ease);
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#CFD3C4}
.scene-no{font-family:var(--font-num);font-size:34px;font-weight:700;color:var(--lime-deep);line-height:1;letter-spacing:-.03em}
.scene-card h3{font-size:19px;font-weight:750;line-height:1.3}
.scene-card p{color:var(--muted);font-size:15px}
.scene-card .chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:2px}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--r-badge);
  background:var(--paper);border:1px solid var(--line);font-size:13px;color:var(--gray);
}
.scene-card .link-arrow{margin-top:auto;color:var(--ink)}

/* ---------- flow ---------- */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border-top:1px solid var(--line-dark)}
.flow li{padding:30px 26px 30px 0;border-right:1px solid var(--line-dark)}
.flow li:last-child{border-right:0}
.flow li:not(:first-child){padding-left:26px}
.flow .f-no{font-family:var(--font-num);font-size:13px;font-weight:700;color:var(--lime);letter-spacing:.04em}
.flow b{display:block;margin:12px 0 8px;font-size:17px;font-weight:700}
.flow p{color:#B9BFB6;font-size:14.5px}

/* ---------- picks ---------- */
.card-x{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  display:flex;flex-direction:column;transition:all .26s var(--ease);
}
.card-x:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px);border-color:#CFD3C4}
.card-x .thumb{overflow:hidden;aspect-ratio:16/10;background:#ECEDE6}
.card-x .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.card-x:hover .thumb img{transform:scale(1.04)}
.card-body-x{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.badge-soft{display:inline-flex;align-items:center;gap:6px;padding:5px 11px;border-radius:var(--r-badge);background:var(--paper);border:1px solid var(--line);font-size:12.5px;color:var(--gray);align-self:flex-start}
.badge-orange{background:var(--orange);border-color:var(--orange);color:#fff;font-weight:600}
.card-x h3{font-size:18px;font-weight:750;line-height:1.35}
.card-x p{color:var(--muted);font-size:14.5px}
.card-meta{display:flex;flex-wrap:wrap;gap:8px}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:6px}
.price-tag{font-family:var(--font-num);font-size:19px;font-weight:700;color:var(--ink);letter-spacing:-.02em}
.price-tag small{font-size:12.5px;color:var(--muted);font-weight:500;letter-spacing:0;margin-left:4px}

/* ---------- faq ---------- */
.faq-grid{display:grid;grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr);gap:56px;align-items:start}
.faq-grid h2{font-size:clamp(1.5rem,2.8vw,2.1rem);font-weight:750;line-height:1.2;margin-bottom:14px}
.faq-grid .sub{color:var(--muted);font-size:15.5px}
.faq-acc .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}
.faq-acc .accordion-button{
  background:transparent;border:0;box-shadow:none;padding:22px 46px 22px 0;
  font-size:17px;font-weight:650;color:var(--ink);line-height:1.5;
}
.faq-acc .accordion-button::after{display:none}
.faq-acc .accordion-button:not(.collapsed){background:transparent;color:var(--ink)}
.faq-acc .accordion-button:focus{box-shadow:0 0 0 3px rgba(200,255,61,.45);border-radius:6px}
.faq-acc .accordion-button .fx{
  position:absolute;right:0;top:50%;transform:translateY(-50%);
  width:30px;height:30px;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;font-size:13px;color:var(--ink);transition:all .26s var(--ease);
}
.faq-acc .accordion-button:not(.collapsed) .fx{background:var(--lime);border-color:var(--lime);transform:translateY(-50%) rotate(135deg)}
.faq-acc .accordion-body{padding:0 46px 24px 0;color:var(--gray);font-size:15.5px;line-height:1.85}

/* ---------- cta ---------- */
.cta-band{
  position:relative;background:var(--ink);color:#fff;border-radius:20px;overflow:hidden;padding:56px 48px;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;opacity:.22;
}
.cta-band::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(20,23,26,.96),rgba(20,23,26,.68))}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.9fr);gap:48px;align-items:center}
.cta-inner h2{font-size:clamp(1.5rem,3vw,2.2rem);font-weight:750;line-height:1.2;max-width:22ch}
.cta-inner p{margin-top:14px;color:#C9CFC6;max-width:48ch;font-size:15.5px}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.cta-points .chip{background:rgba(255,255,255,.07);border-color:var(--line-dark);color:#DDE3D8}
.form-card{background:rgba(255,255,255,.97);border-radius:var(--r-card);padding:26px;color:var(--ink)}
.form-card .fc-title{font-weight:750;font-size:17px;margin-bottom:4px}
.form-card .fc-sub{font-size:13.5px;color:var(--muted);margin-bottom:18px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13.5px;color:var(--gray);margin-bottom:6px;font-weight:600}
.field input,.field select{
  width:100%;height:48px;border:1px solid var(--line);border-radius:12px;background:#fff;padding:0 14px;
  font-size:15px;outline:none;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field input:focus,.field select:focus{border-color:var(--lime-deep);box-shadow:0 0 0 4px rgba(200,255,61,.3)}
.form-card .btn-lime{width:100%;justify-content:center;margin-top:6px}
.form-ok{
  display:none;margin-top:14px;padding:12px 14px;border-radius:12px;
  background:#F1FAD8;border:1px solid var(--lime-deep);color:#3C4A12;font-size:14px;
}
.form-ok.is-on{display:block}
.form-tip{margin-top:12px;font-size:12.5px;color:var(--muted);line-height:1.6}

/* ---------- news entry ---------- */
.news-entry{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  border:1px solid var(--line);border-radius:var(--r-card);background:var(--white);padding:26px 28px;
  transition:all .26s var(--ease);
}
.news-entry:hover{border-color:var(--ink);box-shadow:var(--shadow-hover)}
.news-entry .ne-left{display:flex;align-items:center;gap:16px}
.news-entry .ne-ico{
  width:46px;height:46px;border-radius:12px;background:var(--paper);border:1px solid var(--line);
  display:grid;place-items:center;color:var(--ink);flex:0 0 auto;
}
.news-entry b{display:block;font-size:16.5px}
.news-entry span{font-size:14px;color:var(--muted)}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#B9BFB6;margin-top:96px;padding:0 0 30px}
.footer-top-line{height:3px;width:72px;background:var(--lime);border-radius:2px;margin:0 0 46px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{width:32px;height:32px;border-radius:10px;background:var(--lime);color:var(--ink);font-size:15px}
.footer-brand b{color:#fff;font-size:16.5px;font-weight:750}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.site-footer p{font-size:14.5px;line-height:1.8;max-width:46ch}
.site-footer ul{display:grid;gap:10px}
.site-footer ul a{font-size:14.5px;color:#B9BFB6}
.site-footer ul a:hover{color:var(--lime)}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px}
.footer-contact i{margin-top:5px;color:var(--lime);font-size:13px;width:16px;text-align:center}
.footer-bottom{
  border-top:1px solid var(--line-dark);padding-top:22px;display:flex;flex-wrap:wrap;
  justify-content:space-between;gap:10px;font-size:13.5px;color:#8E958C;
}

/* ---------- mobile bar ---------- */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;display:none;gap:10px;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(255,255,255,.97);border-top:1px solid var(--line);backdrop-filter:blur(8px);
}
.mobile-bar .btn-lime,.mobile-bar .btn-outline-ink{flex:1;justify-content:center;padding:12px 10px;font-size:15px}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .header-actions .icon-btn span{display:none}
  .header-actions .icon-btn{padding:0 14px}
  .explain-grid{gap:36px}
  .faq-grid{gap:36px}
}
@media (max-width:991px){
  .header-main{flex-wrap:wrap;gap:14px}
  .brand{order:1}
  .header-actions{order:2;margin-left:auto}
  .search-form{order:3;flex:1 0 100%;max-width:100%;margin:2px 0 0}
  .search-form input{padding-right:110px}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .explain-grid{grid-template-columns:1fr}
  .faq-grid{grid-template-columns:1fr}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr))}
  .flow li{border-bottom:1px solid var(--line-dark)}
  .flow li:nth-child(2n){border-right:0}
  .flow li:nth-child(n+3){border-bottom:0}
  .cta-inner{grid-template-columns:1fr}
  .cta-band{padding:40px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:767px){
  body{padding-bottom:78px}
  .section{padding:60px 0}
  .section.tight{padding:48px 0}
  .container-x{padding:0 20px}
  .hero-inner{padding:52px 0 52px}
  .hero-inner h1{max-width:100%}
  .hero-stats{gap:16px 26px;margin-top:32px;padding-top:20px}
  .hero-stats b{font-size:19px}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .cmp-desktop{display:none}
  .cmp-mobile{display:grid}
  .mobile-bar{display:flex}
  .site-footer{margin-top:64px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column}
  .search-form input{padding-right:104px;height:46px}
  .search-btn{height:36px;padding:0 16px;font-size:14px}
}
@media (max-width:520px){
  .brand span.brand-text{font-size:15px}
  .header-actions{gap:6px}
  .icon-btn{height:38px;padding:0 12px}
  .flow{grid-template-columns:1fr}
  .flow li{border-right:0;border-bottom:1px solid var(--line-dark);padding:22px 0}
  .flow li:not(:first-child){padding-left:0}
  .flow li:last-child{border-bottom:0}
  .cta-band{padding:32px 20px;border-radius:16px}
  .form-card{padding:20px}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
  .reveal{opacity:1;transform:none}
  .card-x:hover .thumb img{transform:none}
  .card-x:hover,.scene-card:hover,.mcard:hover{transform:none}
}