/* roulang page: index */
:root{
  --ink:#12161A;
  --accent:#0F7A66;
  --accent-deep:#0A5A4B;
  --accent-soft:#E4F0ED;
  --warm:#C2694A;
  --warm-soft:#F6E7E1;
  --bg:#F6F4F1;
  --card:#FFFFFF;
  --sub:#FBFAF8;
  --line:#E4E0D9;
  --muted:#6E6A63;
  --disabled:#A8A39C;
  --danger:#B4402E;
  --r-card:4px;
  --r-btn:2px;
  --r-input:3px;
  --sh-1:0 1px 2px rgba(18,22,26,.04);
  --sh-2:0 12px 32px rgba(18,22,26,.10);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,sans-serif;
  --font-num:"Inter","Helvetica Neue",Arial,sans-serif;
  --sec:96px;
}
@media (max-width:991px){ :root{ --sec:72px; } }
@media (max-width:767px){ :root{ --sec:52px; } }

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.9;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  padding-bottom:64px;
}
@media (max-width:767px){ body{padding-bottom:56px;} }
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea,select{font-family:inherit;font-size:15px;color:var(--ink);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p,figure,blockquote{margin:0;}
h1,h2,h3,h4{font-weight:800;letter-spacing:-0.01em;line-height:1.25;}
::selection{background:var(--accent-soft);color:var(--accent-deep);}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

.container{max-width:1240px;margin:0 auto;padding:0 24px;}
@media (max-width:767px){ .container{padding:0 20px;} }

/* ---------- 顶部通告条 ---------- */
.notice-bar{background:var(--ink);color:#fff;font-size:12px;letter-spacing:.04em;}
.notice-inner{display:flex;align-items:center;justify-content:center;gap:16px;height:36px;position:relative;}
.notice-inner p{opacity:.86;}
.notice-close{position:absolute;right:0;top:50%;transform:translateY(-50%);width:24px;height:24px;line-height:1;color:#fff;opacity:.65;font-size:16px;transition:opacity .18s;}
.notice-close:hover{opacity:1;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:rgba(246,244,241,.96);
  backdrop-filter:saturate(140%) blur(6px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(18,22,26,.08);border-bottom-color:#D6D1C8;}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;transition:height .2s ease;}
.site-header.is-scrolled .header-inner{height:60px;}

.brand{display:flex;flex-direction:column;line-height:1.05;gap:3px;flex:0 0 auto;}
.brand-main{font-size:21px;font-weight:800;letter-spacing:.06em;color:var(--ink);}
.brand-sub{font-size:9.6px;font-weight:500;letter-spacing:.08em;color:var(--muted);}
@media (max-width:767px){ .brand-main{font-size:18px;} .brand-sub{font-size:8.6px;} }

.nav-desktop{display:flex;align-items:center;gap:4px;flex:1 1 auto;justify-content:center;}
.nav-link{
  position:relative;display:inline-block;padding:10px 12px;font-size:15px;font-weight:500;
  color:var(--ink);white-space:nowrap;transition:color .18s;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:transparent;
  transition:background .18s;
}
.nav-link:hover{color:var(--accent-deep);}
.nav-link:hover::after,.nav-link.active::after{background:var(--accent);}
.nav-link.active{font-weight:600;}

.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.icon-btn{width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:var(--r-btn);color:var(--ink);background:transparent;transition:border-color .18s,color .18s,background .18s;}
.icon-btn:hover{border-color:var(--accent);color:var(--accent-deep);background:var(--accent-soft);}
.icon-btn svg{width:16px;height:16px;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-btn);font-size:15px;font-weight:600;letter-spacing:.02em;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .12s ease;
  border:1px solid transparent;white-space:nowrap;
}
.btn .arrow{transition:transform .18s ease;font-family:var(--font-num);}
.btn-primary{background:var(--ink);color:#fff;}
.btn-primary:hover{background:var(--accent);}
.btn-primary:hover .arrow{transform:translateX(4px);}
.btn-primary:active{transform:translateY(1px);}
.btn-primary:disabled,.btn-primary[aria-disabled="true"]{background:var(--disabled);color:#F2F0EC;cursor:not-allowed;}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#fff;}
.btn-light{background:#fff;color:var(--ink);}
.btn-light:hover{background:var(--accent-soft);}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.6);color:#fff;}
.btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:#fff;}
.btn-sm{padding:12px 22px;font-size:13px;}
.btn-block{width:100%;}

.hamburger{display:none;width:38px;height:38px;border:1px solid var(--line);border-radius:var(--r-btn);align-items:center;justify-content:center;flex-direction:column;gap:4px;background:transparent;}
.hamburger span{display:block;width:16px;height:1.5px;background:var(--ink);transition:transform .2s,opacity .2s;}
.hamburger.is-open span:nth-child(1){transform:translateY(5.5px) rotate(45deg);}
.hamburger.is-open span:nth-child(2){opacity:0;}
.hamburger.is-open span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg);}

/* Mega 面板 */
.nav-item{position:relative;display:inline-block;}
.mega-panel{
  position:absolute;top:calc(100% + 16px);left:50%;
  width:min(860px,calc(100vw - 48px));transform:translateX(-50%) translateY(-8px);
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-2);padding:24px;opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .2s ease,transform .2s ease,visibility .2s;
}
.nav-item:hover .mega-panel,.nav-item:focus-within .mega-panel{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0);}
.mega-label{font-size:12px;letter-spacing:.12em;color:var(--muted);margin-bottom:16px;text-transform:uppercase;}
.mega-grid{display:grid;grid-template-columns:1fr 1fr 1.05fr;gap:20px;}
.mega-col{display:flex;flex-direction:column;gap:4px;}
.mega-item{display:block;padding:10px 12px;border-radius:var(--r-card);transition:background .18s;}
.mega-item:hover{background:var(--sub);}
.mega-item strong{display:block;font-size:15px;font-weight:600;}
.mega-item span{display:block;font-size:12px;color:var(--muted);line-height:1.6;margin-top:2px;}
.mega-card{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;display:block;transition:border-color .18s,box-shadow .18s;}
.mega-card:hover{border-color:var(--accent);box-shadow:var(--sh-1);}
.mega-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.mega-card-body{padding:14px 16px 16px;}
.mega-card-body strong{display:block;font-size:15px;font-weight:700;}
.mega-card-body span{display:block;font-size:12px;color:var(--muted);line-height:1.6;margin-top:4px;}
.mega-card-body em{display:block;margin-top:10px;font-style:normal;font-size:12px;font-weight:600;color:var(--accent-deep);letter-spacing:.06em;}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:120;background:var(--bg);padding:24px 20px 96px;
  transform:translateX(100%);transition:transform .28s ease;overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
.drawer-close{width:38px;height:38px;border:1px solid var(--line);border-radius:var(--r-btn);font-size:18px;line-height:1;}
.drawer-nav{display:flex;flex-direction:column;border-top:1px solid var(--line);}
.drawer-nav a{display:block;padding:16px 0;font-size:18px;font-weight:700;border-bottom:1px solid var(--line);}
.drawer-nav a:hover{color:var(--accent-deep);}
.drawer-sub{padding:12px 0 4px 16px;display:flex;flex-direction:column;gap:2px;}
.drawer-sub a{font-size:14px;font-weight:400;padding:8px 0;border-bottom:1px dashed var(--line);color:var(--muted);}
.drawer-cta{margin-top:28px;}

@media (max-width:991px){
  .nav-desktop{display:none;}
  .hamburger{display:inline-flex;}
  .header-actions .btn-sm{display:none;}
}

/* ---------- Hero ---------- */
.hero{padding:60px 0 68px;background:var(--bg);position:relative;overflow:hidden;}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:.12em;
  color:var(--accent-deep);background:var(--accent-soft);border-radius:999px;padding:6px 14px;margin-bottom:22px;
}
.hero-title{font-size:clamp(34px,5vw,58px);line-height:1.14;letter-spacing:-0.02em;font-weight:800;}
.hero-title .line{display:block;}
.hero-title .line:nth-child(2){color:var(--accent-deep);}
.hero-title .line{animation:riseIn .42s ease both;}
.hero-title .line:nth-child(2){animation-delay:.08s;}
@keyframes riseIn{from{opacity:0;transform:translateY(12px);}to{opacity:1;transform:translateY(0);}}
.hero-sub{margin-top:22px;font-size:18px;line-height:1.85;max-width:34em;color:#2E3338;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-metrics{display:flex;align-items:stretch;gap:0;margin-top:44px;border-top:1px solid var(--line);padding-top:24px;}
.metric{flex:1;padding:0 20px;}
.metric:first-child{padding-left:0;}
.metric + .metric{border-left:1px solid var(--line);}
.metric b{display:block;font-family:var(--font-num);font-size:30px;line-height:1;font-weight:700;font-variant-numeric:tabular-nums;color:var(--ink);}
.metric span{display:block;margin-top:8px;font-size:12px;letter-spacing:.06em;color:var(--muted);}
.hero-media{position:relative;}
.hero-media .frame{border-radius:var(--r-card);overflow:hidden;animation:fadeIn .6s ease both;}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-caption{margin-top:12px;font-size:12px;color:var(--muted);letter-spacing:.04em;}
.hero-caption b{font-family:var(--font-num);color:var(--accent-deep);margin-right:6px;}
@keyframes fadeIn{from{opacity:0;}to{opacity:1;}}
@media (max-width:991px){
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-media{order:-1;}
  .hero-media img{aspect-ratio:16/10;}
}
@media (max-width:767px){
  .hero{padding:36px 0 48px;}
  .hero-metrics{flex-wrap:wrap;gap:20px 0;}
  .metric{flex:1 1 30%;padding:0 14px;}
}

/* ---------- 信任条 ---------- */
.trust{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--card);}
.trust-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px 28px;padding:18px 0;}
.trust-inner span{font-size:12px;letter-spacing:.1em;color:var(--muted);}
.trust-inner span::before{content:"";display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--accent);margin-right:8px;vertical-align:middle;}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec) 0;}
.section-alt{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:32px;}
.section-head.row{max-width:none;display:flex;align-items:flex-end;justify-content:space-between;gap:24px;}
.section-head h2{font-size:clamp(26px,3.4vw,40px);line-height:1.24;}
.section-head p{margin-top:14px;font-size:16px;line-height:1.85;color:var(--muted);max-width:34em;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ink);position:relative;padding-bottom:3px;}
.text-link::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;background:var(--ink);transform-origin:left;transition:transform .24s ease,background .24s ease;}
.text-link:hover::after{background:var(--accent);}
.text-link:hover{color:var(--accent-deep);}
.text-link .arrow{transition:transform .18s ease;font-family:var(--font-num);}
.text-link:hover .arrow{transform:translateX(4px);}

/* ---------- 卖点三连 ---------- */
.adv-list{border-top:1px solid var(--line);}
.adv-row{
  display:grid;grid-template-columns:180px 1fr;gap:32px;align-items:start;
  padding:32px 20px;border-bottom:1px solid var(--line);background:transparent;
  transition:background .2s ease;min-height:132px;
}
.adv-row:hover{background:var(--sub);}
.adv-num{font-family:var(--font-num);font-size:clamp(48px,7vw,92px);line-height:.9;font-weight:700;color:var(--accent);opacity:.16;font-variant-numeric:tabular-nums;transition:opacity .2s ease;}
.adv-row:hover .adv-num{opacity:1;}
.adv-body h3{font-size:24px;line-height:1.4;margin-bottom:10px;}
.adv-body p{font-size:15px;line-height:1.85;color:var(--muted);margin-bottom:4px;}
.adv-body .text-link{margin-top:14px;}
@media (max-width:767px){
  .adv-row{grid-template-columns:1fr;gap:12px;padding:24px 8px;}
  .adv-num{font-size:48px;}
  .adv-body h3{font-size:20px;}
}

/* ---------- 场景演示 ---------- */
.split{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;padding:16px 0 40px;}
.split.reverse{grid-template-columns:7fr 5fr;padding-top:40px;border-top:1px solid var(--line);}
.split.reverse .split-media{order:2;}
.split-media{position:relative;}
.split-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-card);}
.split-media figcaption{display:inline-block;margin-top:12px;font-size:12px;letter-spacing:.1em;color:var(--warm);background:var(--warm-soft);padding:4px 10px;border-radius:999px;}
.split-copy h2{font-size:clamp(24px,3vw,34px);line-height:1.28;margin-bottom:16px;}
.split-copy p{font-size:16px;line-height:1.85;color:var(--muted);margin-bottom:14px;}
.tick-list{display:flex;flex-direction:column;gap:10px;margin:18px 0 22px;}
.tick-list li{position:relative;padding-left:22px;font-size:15px;line-height:1.8;color:#2E3338;}
.tick-list li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;background:var(--accent-soft);border:2px solid var(--accent);}
@media (max-width:991px){
  .split,.split.reverse{grid-template-columns:1fr;gap:28px;}
  .split.reverse .split-media{order:0;}
}

/* 步骤流程 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:56px;border-top:1px solid var(--line);padding-top:32px;}
.step{position:relative;padding-right:20px;}
.step::before{content:"";position:absolute;left:14px;right:0;top:6px;height:1px;background:var(--line);}
.step:last-child::before{display:none;}
.step .dot{position:relative;z-index:1;display:block;width:13px;height:13px;border-radius:50%;background:var(--card);border:2px solid var(--accent);}
.step b{display:block;margin-top:16px;font-size:16px;font-weight:700;}
.step span{display:block;margin-top:6px;font-size:13px;line-height:1.7;color:var(--muted);padding-right:12px;}
@media (max-width:767px){
  .steps{grid-template-columns:1fr 1fr;gap:28px 0;}
  .step::before{display:none;}
}

/* ---------- 社会认同 ---------- */
.quote-block{max-width:920px;padding-top:32px;position:relative;}
.quote-block::before{content:"“";position:absolute;top:-18px;left:-6px;font-family:Georgia,serif;font-size:64px;line-height:1;color:var(--accent);opacity:.28;}
.quote-block blockquote{font-size:clamp(22px,2.6vw,29px);line-height:1.6;font-weight:600;letter-spacing:-0.01em;color:var(--ink);}
.quote-sign{margin-top:22px;font-size:14px;line-height:1.7;}
.quote-sign strong{display:block;font-weight:700;}
.quote-sign span{display:block;color:var(--muted);font-size:13px;}

.stats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);margin-top:56px;padding-top:32px;}
.stat{padding-right:20px;}
.stat + .stat{border-left:1px solid var(--line);padding-left:28px;}
.stat b{display:block;font-family:var(--font-num);font-size:clamp(34px,4vw,52px);line-height:1;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;}
.stat span{display:block;margin-top:10px;font-size:13px;color:var(--muted);line-height:1.6;}
@media (max-width:767px){
  .stats{grid-template-columns:1fr 1fr;gap:26px 0;}
  .stat:nth-child(odd){border-left:0;padding-left:0;}
}

.testi-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;margin-top:56px;}
.testi{background:var(--sub);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;transition:border-color .2s,box-shadow .2s;}
.testi:hover{border-color:var(--accent);box-shadow:var(--sh-1);}
.testi p{font-size:14px;line-height:1.85;color:#2E3338;}
.testi span{display:block;margin-top:14px;font-size:12px;letter-spacing:.06em;color:var(--muted);}
.testi-column{display:grid;grid-template-rows:1fr 1fr;gap:24px;}
@media (max-width:767px){
  .testi-grid,.testi-column{grid-template-columns:1fr;grid-template-rows:auto;}
}

/* ---------- 最新信息 CMS ---------- */
.news-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:32px;}
.lead-card{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:border-color .2s,box-shadow .2s;}
.lead-card:hover{border-color:var(--accent);box-shadow:var(--sh-2);}
.lead-card .thumb{overflow:hidden;}
.lead-card img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .6s ease-out;}
.lead-card:hover img{transform:scale(1.03);}
.lead-body{padding:20px 22px 24px;}
.badge{display:inline-block;font-size:12px;font-weight:600;letter-spacing:.06em;padding:3px 10px;border-radius:999px;background:var(--warm-soft);color:#8C452B;}
.lead-body h3{margin-top:12px;font-size:21px;line-height:1.45;transition:color .18s;}
.lead-card:hover h3{color:var(--accent-deep);}
.lead-body p{margin-top:10px;font-size:14px;line-height:1.8;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.lead-meta{margin-top:16px;display:flex;align-items:center;gap:14px;font-size:12px;color:var(--muted);}

.news-list{border-top:1px solid var(--line);}
.news-row{display:grid;grid-template-columns:44px 1fr;gap:16px;padding:18px 8px;border-bottom:1px solid var(--line);transition:background .18s;}
.news-row:hover{background:var(--sub);}
.news-index{font-family:var(--font-num);font-size:13px;font-weight:700;color:var(--accent);padding-top:5px;letter-spacing:.06em;}
.news-row h4{font-size:16px;line-height:1.5;font-weight:700;}
.news-row:hover h4{color:var(--accent-deep);}
.news-row p{margin-top:6px;font-size:13px;line-height:1.7;color:var(--muted);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.news-row .meta{margin-top:8px;display:flex;flex-wrap:wrap;gap:12px;font-size:12px;color:var(--muted);}
.news-row .meta em{font-style:normal;color:var(--warm);}

.empty-state{border:1px dashed var(--line);background:#EFEDE9;border-radius:var(--r-card);padding:56px 24px;text-align:center;}
.empty-state p{font-size:14px;color:var(--muted);}
.empty-state a{display:inline-block;margin-top:12px;font-size:14px;font-weight:600;color:var(--accent-deep);border-bottom:1px solid var(--accent);padding-bottom:2px;}
@media (max-width:991px){ .news-grid{grid-template-columns:1fr;} }

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  display:flex;align-items:flex-start;justify-content:space-between;gap:24px;
  padding:22px 4px;font-size:17px;font-weight:600;line-height:1.5;cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-family:var(--font-num);font-size:22px;line-height:1;color:var(--accent);font-weight:400;transition:transform .24s ease;flex:0 0 auto;margin-top:2px;}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg);}
.faq-item summary:hover{color:var(--accent-deep);}
.faq-answer{padding:0 4px 24px;font-size:15px;line-height:1.85;color:var(--muted);max-width:62em;animation:fadeIn .24s ease both;}

/* ---------- 结尾 CTA ---------- */
.cta-band{background:var(--ink);color:#fff;padding:96px 0;}
.cta-band .inner{max-width:760px;margin:0 auto;text-align:center;}
.cta-band h2{font-size:clamp(26px,3.4vw,40px);line-height:1.24;color:#fff;}
.cta-band p{margin-top:16px;font-size:16px;line-height:1.85;color:rgba(255,255,255,.72);}
.cta-band .actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;margin-top:32px;}
@media (max-width:767px){ .cta-band{padding:56px 0;} }

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#E9E5DF;padding:72px 0 0;position:relative;overflow:hidden;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;position:relative;z-index:1;}
.footer-brand .fb-main{font-size:22px;font-weight:800;letter-spacing:.06em;color:#fff;}
.footer-brand .fb-sub{font-size:10px;letter-spacing:.08em;color:rgba(233,229,223,.6);margin-top:4px;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(233,229,223,.66);max-width:24em;}
.footer-col h3{font-size:13px;letter-spacing:.1em;font-weight:600;color:#fff;margin-bottom:18px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:rgba(233,229,223,.7);transition:color .18s;}
.footer-col a:hover{color:#fff;}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(233,229,223,.66);}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(233,229,223,.16);
  padding:20px 0 24px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  position:relative;z-index:1;
}
.footer-bottom p,.footer-bottom a{font-size:12px;color:rgba(233,229,223,.52);letter-spacing:.02em;}
.footer-bottom a:hover{color:#fff;}
.footer-links{display:flex;gap:20px;flex-wrap:wrap;}
.watermark{
  position:absolute;right:-10px;bottom:-24px;font-size:clamp(120px,18vw,200px);font-weight:800;
  line-height:1;color:#fff;opacity:.05;letter-spacing:.04em;pointer-events:none;user-select:none;
}
@media (max-width:991px){ .footer-grid{grid-template-columns:1fr 1fr;gap:32px;} }
@media (max-width:767px){ .footer-grid{grid-template-columns:1fr;gap:28px;} .site-footer{padding-top:52px;} }

/* ---------- 固定转化条 ---------- */
.sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:90;background:var(--ink);color:#fff;
  box-shadow:0 -6px 24px rgba(18,22,26,.18);
}
.sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:64px;}
.sticky-inner p{font-size:14px;color:rgba(255,255,255,.82);letter-spacing:.02em;}
.sticky-inner .btn{background:var(--accent);color:#fff;padding:11px 24px;font-size:14px;}
.sticky-inner .btn:hover{background:#fff;color:var(--ink);}
@media (max-width:767px){
  .sticky-inner{height:56px;gap:12px;}
  .sticky-inner p{font-size:13px;flex:1 1 auto;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .sticky-inner .btn{padding:9px 16px;font-size:13px;flex:0 0 auto;}
}

/* 滚动进入动效 */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s ease,transform .5s ease;}
.reveal.is-in{opacity:1;transform:translateY(0);}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --ink:#12161A;
  --ink-soft:#1B2026;
  --accent:#0F7A66;
  --accent-deep:#0A5A4B;
  --accent-soft:#E4F0ED;
  --warm:#C2694A;
  --warm-soft:#F6E7E1;
  --bg:#F6F4F1;
  --surface:#FFFFFF;
  --surface-2:#FBFAF8;
  --line:#E4E0D9;
  --muted:#6E6A63;
  --disabled:#A8A39C;
  --err:#B4402E;
  --cream:#E9E5DF;
  --radius-card:4px;
  --radius-btn:2px;
  --radius-input:3px;
  --shadow-1:0 1px 2px rgba(18,22,26,.04);
  --shadow-2:0 12px 32px rgba(18,22,26,.10);
  --container:1240px;
  --gap:24px;
  --ease:180ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.9;
  padding-bottom:64px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--ease),border-color var(--ease),background-color var(--ease)}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea,select{font-family:inherit;font-size:15px;color:var(--ink)}
::selection{background:var(--accent-soft);color:var(--ink)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;font-size:15px;font-weight:600;line-height:1;
  border-radius:var(--radius-btn);border:1px solid transparent;
  transition:background-color var(--ease),color var(--ease),border-color var(--ease),transform 120ms ease;
}
.btn .arw{display:inline-block;transition:transform var(--ease)}
.btn:hover .arw{transform:translateX(4px)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-primary:hover{background:var(--accent);border-color:var(--accent)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-light{background:#fff;color:var(--ink);border-color:#fff}
.btn-light:hover{background:var(--accent);border-color:var(--accent);color:#fff}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-outline-light:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn-sm{padding:12px 22px;font-size:13px}
.btn[disabled]{background:var(--disabled);border-color:var(--disabled);color:#fff;cursor:not-allowed}
.link-cta{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--line);padding-bottom:2px;position:relative;
}
.link-cta::after{content:"";position:absolute;left:0;bottom:-1px;width:0;height:1px;background:var(--accent);transition:width 260ms ease}
.link-cta:hover{color:var(--accent)}
.link-cta:hover::after{width:100%}
.link-cta .arw{transition:transform var(--ease)}
.link-cta:hover .arw{transform:translateX(4px)}

/* ---------- topline ---------- */
.topline{background:var(--ink);color:#fff;font-size:12px;letter-spacing:.02em}
.topline-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px}
.topline-close{font-size:16px;line-height:1;color:rgba(255,255,255,.7);padding:4px 6px;border-radius:2px}
.topline-close:hover{color:#fff}
.topline.is-hidden{display:none}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;background:rgba(246,244,241,.94);
  backdrop-filter:saturate(140%) blur(8px);border-bottom:1px solid var(--line);
  transition:border-color var(--ease),background-color var(--ease);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px;transition:min-height var(--ease)}
.site-header.is-scrolled .header-inner{min-height:60px}
.site-header.is-scrolled{border-bottom-color:#D8D3CA}
.brand{display:flex;flex-direction:column;line-height:1.05;flex-shrink:0}
.brand-main{font-size:22px;font-weight:800;letter-spacing:.06em;color:var(--ink)}
.brand-sub{font-size:10.5px;font-weight:600;letter-spacing:.08em;color:var(--muted);margin-top:4px}
.brand:hover .brand-main{color:var(--accent)}

.nav-desktop{display:flex;align-items:center;gap:6px}
.nav-link{
  position:relative;display:inline-block;padding:10px 12px;font-size:15px;font-weight:500;color:var(--ink);white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform 220ms ease;
}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{font-weight:600}
.nav-item{position:relative}
.nav-item:hover>.nav-link::after,.nav-item:focus-within>.nav-link::after{transform:scaleX(1)}

/* mega */
.mega-panel{
  position:absolute;top:calc(100% + 10px);right:-120px;width:820px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-2);padding:22px;opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity 200ms ease,transform 200ms ease,visibility 200ms ease;
}
.nav-item:hover .mega-panel,.nav-item:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-label{font-size:12px;letter-spacing:.12em;color:var(--muted);font-weight:500;margin-bottom:16px}
.mega-grid{display:grid;grid-template-columns:1fr 1fr 260px;gap:20px}
.mega-col{display:flex;flex-direction:column;gap:4px}
.mega-item{display:block;padding:10px 12px;border-radius:var(--radius-card);border:1px solid transparent}
.mega-item strong{display:block;font-size:15px;font-weight:600;color:var(--ink)}
.mega-item span{display:block;font-size:12px;color:var(--muted);line-height:1.6;margin-top:2px}
.mega-item:hover{background:var(--surface-2);border-color:var(--line)}
.mega-item:hover strong{color:var(--accent)}
.mega-card{border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;display:flex;flex-direction:column;background:var(--surface-2)}
.mega-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.mega-card-body{padding:14px;display:flex;flex-direction:column;gap:6px}
.mega-card-body strong{font-size:15px;font-weight:700}
.mega-card-body span{font-size:12px;color:var(--muted);line-height:1.6}
.mega-card-body em{font-style:normal;font-size:12px;font-weight:600;color:var(--accent);margin-top:4px}
.mega-card:hover{border-color:var(--accent)}

.header-actions{display:flex;align-items:center;gap:12px}
.icon-btn{
  width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--radius-btn);color:var(--ink);background:transparent;
}
.icon-btn:hover{border-color:var(--ink);background:var(--surface)}
.icon-btn svg{width:17px;height:17px}

/* mobile drawer */
.drawer-toggle{display:none}
.drawer-label{display:none;width:40px;height:38px;border:1px solid var(--line);border-radius:var(--radius-btn);align-items:center;justify-content:center;flex-direction:column;gap:4px}
.drawer-label span{display:block;width:18px;height:2px;background:var(--ink);transition:transform var(--ease),opacity var(--ease)}
.drawer{display:none}

/* ---------- breadcrumb ---------- */
.crumb{padding:22px 0 0}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;color:var(--muted)}
.crumb li::after{content:"/";margin-left:8px;color:#C7C2B9}
.crumb li:last-child::after{content:""}
.crumb a:hover{color:var(--accent)}
.crumb .is-current{color:var(--ink);font-weight:600}

/* ---------- hero ---------- */
.hero{padding:38px 0 56px}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:500;letter-spacing:.12em;
  color:var(--warm);background:var(--warm-soft);padding:5px 12px;border-radius:999px;margin-bottom:20px;
}
h1{font-size:clamp(34px,5vw,58px);line-height:1.14;font-weight:800;letter-spacing:-.02em}
.hero-lead{margin-top:20px;font-size:18px;line-height:1.85;color:var(--muted);max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-metrics{display:flex;align-items:stretch;gap:0;margin-top:40px;border-top:1px solid var(--line);padding-top:24px}
.metric{flex:1;padding-right:20px}
.metric + .metric{border-left:1px solid var(--line);padding-left:20px}
.metric b{display:block;font-size:clamp(24px,2.6vw,32px);font-weight:700;line-height:1.2;font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.metric span{display:block;font-size:12px;color:var(--muted);letter-spacing:.04em;margin-top:4px}
.hero-figure{border-radius:var(--radius-card);overflow:hidden;position:relative}
.hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hero-caption{font-size:12px;color:var(--muted);margin-top:12px;letter-spacing:.02em}

/* ---------- section base ---------- */
.section{padding:72px 0}
.section-alt{background:var(--surface-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.section-head h2{font-size:clamp(26px,3.4vw,40px);line-height:1.24;font-weight:800;letter-spacing:-.01em}
.section-head p{font-size:15px;color:var(--muted);max-width:36em;margin-top:10px}
.section-kicker{font-size:12px;letter-spacing:.14em;color:var(--accent);font-weight:600;margin-bottom:10px;display:block}

/* ---------- catalog layout ---------- */
.catalog{display:grid;grid-template-columns:3fr 9fr;gap:40px;align-items:start}
.rail{position:sticky;top:96px;border:1px solid var(--line);background:var(--surface);border-radius:var(--radius-card);padding:8px}
.rail-title{font-size:12px;letter-spacing:.12em;color:var(--muted);padding:14px 16px 10px;font-weight:600}
.rail-link{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 16px;font-size:14px;color:var(--ink);border-left:2px solid transparent;border-radius:2px;
}
.rail-link em{font-style:normal;font-size:12px;color:var(--disabled);font-variant-numeric:tabular-nums}
.rail-link:hover{background:var(--surface-2);color:var(--accent)}
.rail-link.is-current{border-left-color:var(--accent);font-weight:700;color:var(--accent);background:var(--accent-soft)}
.rail-link.is-current em{color:var(--accent-deep)}
.rail-note{margin-top:14px;font-size:12px;color:var(--muted);line-height:1.75;padding:0 16px 14px}

.grid-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow-1);
  transition:border-color 220ms ease,box-shadow 260ms ease,transform 260ms ease;
}
.card:hover{border-color:var(--accent);box-shadow:var(--shadow-2);transform:translateY(-2px)}
.card-media{overflow:hidden;background:#EFEDE9}
.card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform 600ms ease-out}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-tag{font-size:11px;font-weight:600;letter-spacing:.12em;color:var(--warm);background:var(--warm-soft);padding:3px 10px;border-radius:999px;align-self:flex-start}
.card-body h3{font-size:19px;line-height:1.4;font-weight:700}
.card-body p{font-size:14px;line-height:1.8;color:var(--muted)}
.card-spec{
  font-size:12px;color:var(--muted);letter-spacing:.02em;border-top:1px solid var(--line);
  padding-top:12px;margin-top:auto;display:flex;flex-wrap:wrap;gap:6px 14px;
}
.card-spec b{font-weight:600;color:var(--ink)}
.card-link{margin-top:2px}

/* ---------- spec band ---------- */
.spec-band{border-top:1px solid var(--line);margin-top:56px;padding-top:32px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.spec-band div span{display:block;font-size:12px;letter-spacing:.1em;color:var(--muted)}
.spec-band div b{display:block;font-size:20px;font-weight:700;margin-top:6px;font-variant-numeric:tabular-nums}
.spec-band div p{font-size:13px;color:var(--muted);line-height:1.7;margin-top:4px}

/* ---------- scenario tags ---------- */
.tags{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}
.tag{
  display:inline-flex;align-items:center;padding:9px 18px;font-size:14px;color:var(--ink);
  border:1px solid var(--line);border-radius:999px;background:var(--surface);
  transition:background-color var(--ease),color var(--ease),border-color var(--ease);
}
.tag:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.tag-note{margin-top:22px;font-size:13px;color:var(--muted)}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);margin-top:8px}
.step{padding:26px 22px 0 0;position:relative}
.step + .step{padding-left:22px;border-left:1px solid var(--line)}
.step b{display:block;font-size:12px;letter-spacing:.12em;color:var(--accent);font-weight:700}
.step h4{font-size:17px;font-weight:700;margin-top:10px}
.step p{font-size:13px;color:var(--muted);line-height:1.8;margin-top:6px}

/* ---------- faq ---------- */
.faq-wrap{max-width:900px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 0;font-size:17px;font-weight:600;line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:20px;font-weight:400;color:var(--accent);line-height:1;flex-shrink:0;
  transition:transform 240ms ease;
}
.faq-item[open] summary::after{content:"−"}
.faq-item summary:hover{color:var(--accent)}
.faq-answer{padding:0 0 22px;font-size:15px;line-height:1.85;color:var(--muted);max-width:64em}

/* ---------- cta ---------- */
.cta-section{background:var(--ink);color:#fff;padding:96px 0;text-align:center}
.cta-section h2{font-size:clamp(26px,3.4vw,40px);line-height:1.24;font-weight:800;letter-spacing:-.01em}
.cta-section p{font-size:15px;color:rgba(233,229,223,.76);margin-top:16px;max-width:36em;margin-left:auto;margin-right:auto}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:34px}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:var(--cream);position:relative;overflow:hidden;padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand .fb-main{font-size:24px;font-weight:800;letter-spacing:.06em;color:#fff}
.footer-brand .fb-sub{font-size:11px;letter-spacing:.08em;color:rgba(233,229,223,.62);margin-top:5px;font-weight:600}
.footer-brand p{font-size:13px;line-height:1.85;color:rgba(233,229,223,.66);margin-top:18px;max-width:24em}
.footer-col h3{font-size:13px;letter-spacing:.1em;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:13px;color:rgba(233,229,223,.72)}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.footer-col p{font-size:13px;line-height:1.85;color:rgba(233,229,223,.66)}
.footer-col p + p{margin-top:12px}
.footer-bottom{
  border-top:1px solid rgba(233,229,223,.16);padding:22px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
}
.footer-bottom p{font-size:12px;color:rgba(233,229,223,.56)}
.footer-links{display:flex;gap:18px}
.footer-links a{font-size:12px;color:rgba(233,229,223,.66)}
.footer-links a:hover{color:#fff}
.watermark{
  position:absolute;right:24px;bottom:-18px;font-size:clamp(120px,18vw,200px);
  font-weight:800;color:#fff;opacity:.05;line-height:1;pointer-events:none;user-select:none;letter-spacing:.04em;
}

/* ---------- fixed bar ---------- */
.fixed-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:90;background:var(--ink);color:#fff;
  border-top:1px solid rgba(233,229,223,.14);
}
.fixed-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:64px}
.fixed-inner p{font-size:14px;color:rgba(233,229,223,.86);letter-spacing:.02em}
.fixed-inner p b{color:#fff;font-weight:600}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity 560ms ease,transform 560ms ease}
.reveal.is-in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .mega-panel{right:-40px;width:680px}
  .hero-grid{gap:40px}
  .catalog{grid-template-columns:4fr 8fr;gap:32px}
}
@media (max-width:991px){
  .nav-desktop{display:none}
  .drawer-label{display:inline-flex}
  .header-actions .icon-btn{display:none}
  .mega-panel{display:none}
  .drawer-toggle:checked ~ .drawer{display:block}
  .drawer-toggle:checked ~ .header-inner .drawer-label span:nth-child(1){transform:translateY(6px) rotate(45deg)}
  .drawer-toggle:checked ~ .header-inner .drawer-label span:nth-child(2){opacity:0}
  .drawer-toggle:checked ~ .header-inner .drawer-label span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
  .drawer{
    border-top:1px solid var(--line);background:var(--surface);max-height:calc(100vh - 72px);overflow:auto;
  }
  .drawer-inner{padding:20px 24px 28px;display:flex;flex-direction:column;gap:4px}
  .drawer-inner > a{font-size:18px;font-weight:700;padding:14px 0;border-bottom:1px solid var(--line)}
  .drawer-inner > a.active{color:var(--accent)}
  .drawer-sub{padding:8px 0 14px;display:flex;flex-direction:column;gap:10px;border-bottom:1px solid var(--line)}
  .drawer-sub a{font-size:14px;color:var(--muted);padding-left:14px;border-left:2px solid var(--line)}
  .drawer-sub a:hover{color:var(--accent);border-left-color:var(--accent)}
  .drawer-inner .btn{margin-top:20px;width:100%}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-figure{order:-1}
  .catalog{grid-template-columns:1fr}
  .rail{position:static}
  .rail-list{display:grid;grid-template-columns:1fr 1fr;gap:2px}
  .steps{grid-template-columns:1fr 1fr}
  .step:nth-child(3){padding-left:0;border-left:0}
  .step:nth-child(3),.step:nth-child(4){border-top:1px solid var(--line);margin-top:0}
  .spec-band{grid-template-columns:1fr 1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:767px){
  body{padding-bottom:56px}
  .container{padding:0 20px}
  .section{padding:52px 0}
  .hero{padding:28px 0 44px}
  .hero-metrics{flex-wrap:wrap;gap:16px}
  .metric{flex:1 1 40%;padding-right:0}
  .metric + .metric{border-left:0;padding-left:0}
  .metric:nth-child(even){padding-left:16px;border-left:1px solid var(--line)}
  .grid-cards{grid-template-columns:1fr}
  .rail-list{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .step{padding:22px 0 0}
  .step + .step{border-left:0;border-top:1px solid var(--line);padding-left:0}
  .spec-band{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .cta-section{padding:64px 0}
  .fixed-inner{min-height:56px;gap:12px}
  .fixed-inner p{font-size:13px;line-height:1.4;max-width:56%}
  .fixed-inner .btn{padding:10px 16px;font-size:13px;flex-shrink:0}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
  .watermark{right:12px;bottom:-8px}
}
@media (max-width:479px){
  .brand-main{font-size:19px}
  .brand-sub{font-size:9.5px}
  .hero-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
  .card-body{padding:18px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif;
  --font-num:"Inter","Space Grotesk","PingFang SC","Microsoft YaHei",sans-serif;
  --ink:#12161A;
  --accent:#0F7A66;
  --accent-deep:#0A5A4B;
  --accent-soft:#E4F0ED;
  --warm:#C2694A;
  --warm-soft:#F6E7E1;
  --bg:#F6F4F1;
  --card:#FFFFFF;
  --surface:#FBFAF8;
  --line:#E4E0D9;
  --muted:#6E6A63;
  --disabled:#A8A39C;
  --error:#B4402E;
  --r-card:4px;
  --r-btn:2px;
  --r-input:3px;
  --shadow-1:0 1px 2px rgba(18,22,26,.04);
  --shadow-2:0 12px 32px rgba(18,22,26,.10);
  --section:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.9;
  color:var(--ink);
  background:var(--bg);
  padding-bottom:64px;
  -webkit-font-smoothing:antialiased;
}
body.nav-open{overflow:hidden;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
input,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-0.01em;}
h1{font-size:clamp(34px,5vw,58px);line-height:1.14;letter-spacing:-0.02em;}
h2{font-size:clamp(26px,3.4vw,40px);line-height:1.24;}
h3{font-size:24px;line-height:1.4;font-weight:700;}
h4{font-size:18px;line-height:1.5;font-weight:600;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
::selection{background:var(--accent-soft);color:var(--ink);}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:10px 18px;z-index:200;}
.skip-link:focus{left:12px;top:12px;}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-btn);font-weight:600;transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .12s ease;cursor:pointer;}
.btn .arrow{transition:transform .18s ease;}
.btn:hover .arrow{transform:translateX(4px);}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--ink);color:#fff;padding:14px 28px;font-size:15px;}
.btn-primary:hover{background:var(--accent);color:#fff;}
.btn-ghost{border:1px solid var(--ink);color:var(--ink);padding:13px 26px;font-size:15px;background:transparent;}
.btn-ghost:hover{background:var(--ink);color:#fff;}
.btn-light{background:#fff;color:var(--ink);padding:14px 28px;font-size:15px;}
.btn-light:hover{background:var(--accent);color:#fff;}
.btn-outline-light{border:1px solid rgba(255,255,255,.55);color:#fff;padding:13px 26px;font-size:15px;background:transparent;}
.btn-outline-light:hover{background:#fff;color:var(--ink);border-color:#fff;}
.btn-accent{background:var(--accent);color:#fff;padding:10px 22px;font-size:13.5px;}
.btn-accent:hover{background:var(--accent-deep);}
.btn-sm{padding:11px 20px;font-size:13.5px;}
.btn[disabled],.btn.is-disabled{background:var(--disabled);color:#fff;border-color:var(--disabled);cursor:not-allowed;transform:none;}
.link-cta{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ink);padding-bottom:3px;position:relative;}
.link-cta::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;background:var(--ink);transform-origin:left;transition:background-color .22s ease,transform .22s ease;}
.link-cta:hover{color:var(--accent);}
.link-cta:hover::after{background:var(--accent);}
.link-cta .arrow{transition:transform .18s ease;}
.link-cta:hover .arrow{transform:translateX(4px);}

/* ---------- top notice ---------- */
.top-notice{background:var(--ink);color:#F2EFEA;}
.top-notice .container{display:flex;align-items:center;justify-content:center;gap:14px;height:36px;position:relative;}
.top-notice p{font-size:12px;letter-spacing:.02em;color:#D8D3CC;text-align:center;}
.top-notice a{color:#fff;border-bottom:1px solid rgba(255,255,255,.4);font-size:12px;}
.top-notice a:hover{color:var(--accent-soft);border-color:var(--accent-soft);}
.top-notice .notice-close{position:absolute;right:0;top:50%;transform:translateY(-50%);width:26px;height:26px;display:grid;place-items:center;color:#8F8A83;font-size:16px;line-height:1;}
.top-notice .notice-close:hover{color:#fff;}
.top-notice.is-hidden{display:none;}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(246,244,241,.94);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line);}
.header-inner{position:relative;display:flex;align-items:center;gap:18px;height:72px;transition:height .25s ease;}
.site-header.is-scrolled .header-inner{height:60px;}
.brand{display:flex;flex-direction:column;line-height:1.05;flex:0 0 auto;}
.brand-main{font-size:22px;font-weight:800;letter-spacing:.02em;color:var(--ink);}
.brand-sub{font-size:11px;font-weight:500;letter-spacing:.1em;color:var(--muted);margin-top:4px;}
.brand:hover .brand-main{color:var(--accent);}
.nav-desktop{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-link{position:relative;display:inline-block;padding:24px 10px;font-size:14.5px;font-weight:500;color:#2C3338;white-space:nowrap;transition:color .18s ease;}
.nav-link::after{content:"";position:absolute;left:10px;right:10px;bottom:11px;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;}
.nav-link:hover{color:var(--accent);}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1);}
.nav-link.active{color:var(--ink);font-weight:700;}
.nav-item{position:relative;}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:6px;}
.icon-btn{width:36px;height:36px;display:grid;place-items:center;border:1px solid transparent;border-radius:2px;color:var(--ink);transition:.18s ease;}
.icon-btn:hover{border-color:var(--line);background:#fff;}
.icon-btn svg{width:17px;height:17px;}
.mega-panel{position:absolute;top:100%;right:0;width:820px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:0 24px 60px rgba(18,22,26,.14);padding:20px;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .22s ease,transform .22s ease,visibility .22s;z-index:60;}
.nav-item:hover .mega-panel,.nav-item:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-label{font-size:12px;letter-spacing:.12em;color:var(--muted);padding:0 6px 12px;}
.mega-grid{display:grid;grid-template-columns:1fr 1fr 250px;gap:18px;}
.mega-col{display:flex;flex-direction:column;gap:2px;}
.mega-item{display:block;padding:10px;border-radius:var(--r-card);transition:background-color .18s ease;}
.mega-item strong{display:block;font-size:15px;font-weight:700;color:var(--ink);}
.mega-item span{display:block;font-size:12px;color:var(--muted);line-height:1.7;margin-top:3px;}
.mega-item:hover{background:var(--surface);}
.mega-item:hover strong{color:var(--accent);}
.mega-card{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;}
.mega-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.mega-card-body{padding:12px 14px 16px;}
.mega-card-body strong{display:block;font-size:14.5px;font-weight:700;}
.mega-card-body span{display:block;font-size:12px;color:var(--muted);line-height:1.7;margin-top:4px;}
.mega-card-body em{display:inline-block;margin-top:10px;font-style:normal;font-size:12.5px;font-weight:600;color:var(--accent);}
.mega-card:hover{border-color:var(--accent);box-shadow:var(--shadow-2);}
.search-panel{position:absolute;right:0;top:calc(100% - 6px);width:340px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-2);padding:16px;display:none;z-index:70;}
.search-panel.open{display:block;}
.search-panel form{display:flex;gap:8px;}
.search-panel input{flex:1;min-width:0;padding:10px 12px;border:1px solid var(--line);border-radius:var(--r-input);font-size:14px;background:var(--surface);}
.search-panel input:focus{outline:none;border-color:var(--accent);background:#fff;}
.search-panel .btn{padding:10px 16px;font-size:13px;background:var(--ink);color:#fff;}
.search-panel .btn:hover{background:var(--accent);}
.nav-toggle{display:none;width:40px;height:40px;flex-direction:column;justify-content:center;gap:5px;padding:0 8px;margin-left:auto;}
.nav-toggle span{display:block;height:2px;width:100%;background:var(--ink);transition:transform .22s ease,opacity .22s ease;}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg);}
body.nav-open .nav-toggle span:nth-child(2){opacity:0;}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.drawer-mask{position:fixed;inset:0;background:rgba(18,22,26,.45);z-index:94;opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s;}
body.nav-open .drawer-mask{opacity:1;visibility:visible;}
.mobile-drawer{position:fixed;top:0;right:0;bottom:0;width:min(420px,100%);background:#fff;z-index:95;padding:22px 24px 32px;transform:translateX(101%);transition:transform .28s ease;overflow-y:auto;display:flex;flex-direction:column;}
body.nav-open .mobile-drawer{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);}
.drawer-head strong{font-size:15px;letter-spacing:.02em;}
.drawer-close{width:34px;height:34px;display:grid;place-items:center;font-size:20px;color:var(--muted);}
.drawer-close:hover{color:var(--ink);}
.drawer-nav{display:flex;flex-direction:column;padding:8px 0 20px;}
.drawer-link{display:block;padding:15px 2px;font-size:18px;font-weight:700;border-bottom:1px solid var(--line);}
.drawer-link:hover{color:var(--accent);}
.drawer-link.active{color:var(--accent);}
.drawer-sub{padding-left:14px;font-size:15px;font-weight:500;color:#4A5257;}
.drawer-cta{margin-top:auto;width:100%;margin-top:24px;}

/* ---------- breadcrumb ---------- */
.breadcrumb{padding:24px 0 0;font-size:12px;color:var(--muted);}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li:not(:last-child)::after{content:"/";color:#C7C2BA;}
.breadcrumb a{color:var(--muted);transition:color .18s ease;}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb [aria-current="page"]{color:var(--ink);max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- article ---------- */
.article-shell{padding:32px 0 96px;}
.article-layout{display:grid;grid-template-columns:minmax(0,760px);justify-content:center;gap:64px;}
.post-head{padding-bottom:22px;border-bottom:1px solid var(--line);}
.post-badge-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.post-badge{display:inline-flex;align-items:center;height:26px;padding:0 13px;border-radius:999px;background:var(--warm-soft);color:#8E4429;font-size:12px;font-weight:600;letter-spacing:.06em;}
.post-badge.is-plain{background:var(--accent-soft);color:var(--accent-deep);}
.post-title{font-size:clamp(28px,3.6vw,42px);line-height:1.22;margin-top:18px;letter-spacing:-0.015em;}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;margin-top:24px;padding-top:18px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);}
.post-meta .dot{width:3px;height:3px;border-radius:50%;background:#C7C2BA;}
.post-meta .share{margin-left:auto;display:flex;align-items:center;gap:8px;}
.share-btn{display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 12px;border:1px solid var(--line);border-radius:999px;font-size:12.5px;color:var(--muted);background:#fff;transition:.18s ease;}
.share-btn:hover{border-color:var(--accent);color:var(--accent);}
.post-cover{margin:30px 0 0;}
.post-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-card);}
.post-cover figcaption{margin-top:12px;font-size:12px;color:var(--muted);line-height:1.7;}

/* ---------- article body ---------- */
.article-body{font-size:17px;line-height:1.95;color:#232A2E;margin-top:36px;}
.article-body>*:first-child{margin-top:0;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{position:relative;margin:56px 0 18px;padding-left:16px;font-size:clamp(22px,2.2vw,27px);line-height:1.36;font-weight:800;letter-spacing:-0.01em;color:var(--ink);}
.article-body h2::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:20px;background:var(--accent);border-radius:1px;}
.article-body h3{font-size:22px;line-height:1.42;margin:38px 0 14px;color:var(--ink);}
.article-body h4{font-size:18px;line-height:1.5;margin:28px 0 12px;color:var(--ink);}
.article-body a{color:var(--accent);border-bottom:1px solid rgba(15,122,102,.35);}
.article-body a:hover{border-bottom-color:var(--accent);}
.article-body strong{font-weight:700;color:var(--ink);}
.article-body img{width:100%;height:auto;border-radius:var(--r-card);margin:26px 0 12px;}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:12px;color:var(--muted);line-height:1.7;margin-top:10px;}
.article-body ul,.article-body ol{margin:18px 0;padding-left:22px;}
.article-body ul li{list-style:disc;}
.article-body ol li{list-style:decimal;}
.article-body li{margin:8px 0;line-height:1.9;}
.article-body li::marker{color:var(--accent);}
.article-body blockquote{margin:28px 0;padding:16px 20px;border-left:3px solid var(--accent);background:rgba(228,240,237,.55);color:#233230;font-size:16px;line-height:1.9;}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left;vertical-align:top;}
.article-body th{background:var(--bg);font-weight:700;color:var(--ink);}
.article-body tr{height:48px;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:40px 0;}
.article-body code{background:var(--surface);border:1px solid var(--line);border-radius:3px;padding:1px 6px;font-size:14px;}

.empty-box{border:1px dashed var(--line);background:#EFEDE9;border-radius:var(--r-card);padding:48px 24px;text-align:center;}
.empty-box p{font-size:14px;color:var(--muted);margin:0 0 12px;}

/* ---------- post footer blocks ---------- */
.post-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:46px;padding-top:26px;border-top:1px solid var(--line);}
.post-tags .tag-label{font-size:12px;letter-spacing:.12em;color:var(--muted);margin-right:4px;}
.tag{display:inline-flex;align-items:center;height:30px;padding:0 14px;border:1px solid var(--line);border-radius:999px;font-size:12.5px;color:#3A4247;background:#fff;transition:border-color .18s ease,color .18s ease,background-color .18s ease;}
.tag:hover{border-color:var(--ink);color:var(--ink);background:var(--surface);}
.post-nav{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:#fff;margin-top:26px;}
.post-nav a{padding:20px 22px;transition:background-color .18s ease;}
.post-nav a:hover{background:var(--surface);}
.post-nav a + a{border-left:1px solid var(--line);text-align:right;}
.pn-label{display:block;font-size:12px;letter-spacing:.1em;color:var(--muted);margin-bottom:6px;}
.pn-title{font-size:15.5px;font-weight:700;color:var(--ink);}
.post-nav a:hover .pn-title{color:var(--accent);}
.related{margin-top:56px;}
.related-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:6px;}
.related-head h2{font-size:22px;line-height:1.4;}
.related-list{border-top:1px solid var(--line);margin-top:14px;}
.related-list a{display:grid;grid-template-columns:42px minmax(0,1fr) auto;gap:16px;align-items:center;padding:18px 4px;border-bottom:1px solid var(--line);transition:background-color .18s ease,padding-left .18s ease;}
.related-list a:hover{background:var(--surface);padding-left:10px;}
.related-num{font-family:var(--font-num);font-size:15px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;}
.related-txt strong{display:block;font-size:15.5px;font-weight:700;color:var(--ink);}
.related-txt span{display:block;font-size:13px;color:var(--muted);line-height:1.7;margin-top:2px;}
.related-tag{font-size:12px;color:var(--warm);white-space:nowrap;}

/* ---------- sidebar ---------- */
.post-side{display:none;}
.side-inner{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.toc-box{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:20px;}
.toc-title{font-size:12px;letter-spacing:.12em;color:var(--muted);margin-bottom:12px;}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:52vh;overflow-y:auto;}
.toc-link{display:block;padding:7px 10px;font-size:13.5px;line-height:1.6;color:#4A5257;border-left:2px solid transparent;transition:color .18s ease,background-color .18s ease,border-color .18s ease;}
.toc-link:hover{color:var(--accent);background:var(--surface);}
.toc-link.active{color:var(--accent);border-left-color:var(--accent);background:var(--surface);font-weight:600;}
.side-card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:20px;transition:border-color .18s ease,box-shadow .18s ease;}
.side-card:hover{border-color:var(--accent);box-shadow:var(--shadow-1);}
.side-card strong{display:block;font-size:15px;font-weight:700;margin-bottom:6px;}
.side-card span{display:block;font-size:13px;color:var(--muted);line-height:1.75;}
.side-card em{display:inline-block;margin-top:12px;font-style:normal;font-size:13px;font-weight:600;color:var(--accent);}
.side-facts{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:20px;}
.side-facts dl{margin:0;display:flex;flex-direction:column;gap:12px;}
.side-facts div{display:flex;justify-content:space-between;gap:12px;font-size:13px;}
.side-facts dt{color:var(--muted);}
.side-facts dd{margin:0;font-weight:600;color:var(--ink);}

/* ---------- CTA ---------- */
.cta-section{background:var(--ink);color:#fff;padding:var(--section) 0;}
.cta-inner{max-width:760px;margin:0 auto;text-align:center;}
.cta-inner h2{color:#fff;}
.cta-inner p{margin-top:18px;font-size:16px;line-height:1.85;color:#C9C4BD;}
.cta-actions{margin-top:34px;display:flex;flex-wrap:wrap;justify-content:center;gap:14px;}

/* ---------- footer ---------- */
.site-footer{position:relative;background:var(--ink);color:#E9E5DF;padding:72px 0 28px;overflow:hidden;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;position:relative;z-index:2;}
.fb-main{font-size:22px;font-weight:800;letter-spacing:.02em;}
.fb-sub{font-size:11px;letter-spacing:.1em;color:#9C978F;margin-top:6px;}
.footer-brand p{margin-top:16px;font-size:13.5px;line-height:1.85;color:#B4AFA7;max-width:26em;}
.footer-col h3{font-size:13px;font-weight:600;letter-spacing:.1em;color:#9C978F;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:#DDD8D1;transition:color .18s ease;}
.footer-col a:hover{color:#fff;}
.footer-col p{font-size:13.5px;line-height:1.85;color:#B4AFA7;margin-bottom:10px;}
.footer-bottom{margin-top:56px;padding-top:22px;border-top:1px solid rgba(233,229,223,.16);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;font-size:12.5px;color:#9C978F;position:relative;z-index:2;}
.footer-links{display:flex;gap:18px;}
.footer-links a{color:#B4AFA7;}
.footer-links a:hover{color:#fff;}
.watermark{position:absolute;right:20px;bottom:-14px;font-size:clamp(120px,18vw,200px);font-weight:800;line-height:1;color:#fff;opacity:.05;pointer-events:none;user-select:none;z-index:1;}

/* ---------- sticky bar ---------- */
.sticky-bar{position:fixed;left:0;right:0;bottom:0;z-index:90;background:var(--ink);color:#fff;border-top:1px solid rgba(233,229,223,.14);}
.sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px;}
.sticky-text{font-size:13.5px;color:#D6D1CA;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.sticky-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}

/* ---------- motion ---------- */
.fade-up{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease;}
.fade-up.in{opacity:1;transform:none;}

/* ---------- responsive ---------- */
@media (min-width:1180px){
  .post-side{display:block;}
}
@media (max-width:1199px){
  .nav-link{padding:24px 8px;font-size:14px;}
  .nav-link::after{left:8px;right:8px;}
  .mega-panel{width:720px;}
  .mega-grid{grid-template-columns:1fr 1fr 220px;}
}
@media (max-width:991px){
  .nav-desktop{display:none;}
  .nav-toggle{display:flex;}
  .header-actions{margin-left:0;}
  .header-actions .btn-primary{display:none;}
  .article-layout{gap:0;}
  .post-side{display:none;}
  .cta-section{padding:72px 0;}
}
@media (max-width:767px){
  :root{--section:64px;}
  .container{padding:0 20px;}
  .header-inner{height:64px;gap:12px;}
  .site-header.is-scrolled .header-inner{height:60px;}
  .brand-main{font-size:20px;}
  .brand-sub{font-size:10px;letter-spacing:.08em;}
  .breadcrumb{padding-top:18px;}
  .breadcrumb [aria-current="page"]{max-width:200px;}
  .article-shell{padding:24px 0 64px;}
  .post-title{margin-top:14px;}
  .post-meta{gap:6px 12px;}
  .post-meta .share{margin-left:0;width:100%;margin-top:4px;}
  .article-body{font-size:16px;line-height:1.9;margin-top:28px;}
  .article-body h2{margin-top:44px;}
  .post-nav{grid-template-columns:1fr;}
  .post-nav a + a{border-left:0;border-top:1px solid var(--line);text-align:left;}
  .related-list a{grid-template-columns:32px minmax(0,1fr);gap:12px;}
  .related-tag{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;}
  .cta-section{padding:56px 0;}
  .cta-actions .btn{min-width:160px;}
  .sticky-inner{height:56px;}
  .sticky-text{font-size:12.5px;max-width:62%;}
  .btn-accent{padding:9px 16px;font-size:12.5px;}
  body{padding-bottom:56px;}
  .top-notice p{font-size:11px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:78%;}
  .top-notice .container{height:34px;}
}
@media (max-width:479px){
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-actions{flex-direction:column;align-items:stretch;}
  .cta-actions .btn{width:100%;}
  .post-badge{height:24px;font-size:11px;padding:0 11px;}
  .search-panel{width:min(340px,calc(100vw - 40px));}
  .related-txt span{display:none;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .fade-up{opacity:1;transform:none;transition:none;}
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
}

/* roulang page: category2 */
:root{
  --ink:#12161A;
  --accent:#0F7A66;
  --accent-deep:#0A5A4B;
  --accent-soft:#E4F0ED;
  --warm:#C2694A;
  --warm-soft:#F6E7E1;
  --bg:#F6F4F1;
  --card:#FFFFFF;
  --sub:#FBFAF8;
  --line:#E4E0D9;
  --muted:#6E6A63;
  --disabled:#A8A39C;
  --error:#B4402E;
  --radius-card:4px;
  --radius-btn:2px;
  --radius-input:3px;
  --shadow-1:0 1px 2px rgba(18,22,26,.04);
  --shadow-2:0 12px 32px rgba(18,22,26,.10);
  --sec:96px;
  --wrap:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--ink);
  background:var(--bg);
  padding-bottom:64px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
  border-radius:2px;
}
::selection{background:var(--accent-soft);color:var(--ink)}
.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--ink);color:#fff;padding:10px 18px;border-radius:2px;
}
.skip-link:focus{left:16px;top:16px}

/* ============ 按钮与链接 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .12s ease;
}
.btn .arw{transition:transform .18s ease;display:inline-block}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:var(--accent)}
.btn-primary:hover .arw{transform:translateX(4px)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-ghost:hover .arw{transform:translateX(4px)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:var(--accent-soft)}
.btn-light:hover .arw{transform:translateX(4px)}
.btn-outline-light{border-color:rgba(255,255,255,.55);color:#fff;background:transparent}
.btn-outline-light:hover{background:#fff;color:var(--ink)}
.btn-sm{padding:11px 20px;font-size:13px}
.btn:disabled,.btn.is-disabled{background:var(--disabled);color:#fff;border-color:var(--disabled);cursor:not-allowed;transform:none}
.link-cta{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--accent);
  position:relative;padding-bottom:2px;
}
.link-cta::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;
  background:var(--accent);transform:scaleX(1);transform-origin:left;
  transition:transform .24s ease,background-color .24s ease;
}
.link-cta:hover{color:var(--accent-deep)}
.link-cta:hover::after{background:var(--accent-deep)}
.link-cta .arw{transition:transform .2s ease}
.link-cta:hover .arw{transform:translateX(4px)}
.tag{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:500;letter-spacing:.06em;
  background:var(--warm-soft);color:#8A3F27;
}
.tag-accent{background:var(--accent-soft);color:var(--accent-deep)}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(246,244,241,.94);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease,border-color .2s ease;
}
.site-header.is-scrolled{border-bottom-color:#D6D1C8;box-shadow:0 1px 2px rgba(18,22,26,.05)}
.header-inner{
  display:flex;align-items:center;gap:32px;
  height:72px;
  transition:height .2s ease;
}
.site-header.is-scrolled .header-inner{height:60px}
.brand{display:flex;flex-direction:column;line-height:1.1;flex-shrink:0}
.brand-main{font-size:22px;font-weight:800;letter-spacing:.02em}
.brand-sub{font-size:10.5px;font-weight:500;letter-spacing:.08em;color:var(--muted);margin-top:3px}
.nav-desktop{display:flex;align-items:center;gap:24px;flex:1}
.nav-link{
  position:relative;display:inline-block;
  padding:6px 0;font-size:14.5px;font-weight:500;color:#2E3439;
  transition:color .18s ease;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--ink);font-weight:600}
.nav-item{position:relative}
.nav-item > .nav-link::after{transform:scaleX(0)}
.nav-item:hover > .nav-link::after,.nav-item:focus-within > .nav-link::after{transform:scaleX(1)}
.mega-panel{
  position:absolute;top:calc(100% + 20px);left:-60px;
  width:780px;max-width:calc(100vw - 48px);
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-2);
  padding:24px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.nav-item:hover .mega-panel,
.nav-item:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-label{
  font-size:12px;letter-spacing:.12em;color:var(--muted);
  padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:18px;
}
.mega-grid{display:grid;grid-template-columns:1fr 1fr 240px;gap:24px}
.mega-col{display:flex;flex-direction:column;gap:4px}
.mega-item{display:block;padding:10px 12px;border-radius:var(--radius-card);transition:background-color .18s ease}
.mega-item strong{display:block;font-size:15px;font-weight:600;line-height:1.5}
.mega-item span{display:block;font-size:12px;color:var(--muted);line-height:1.7;margin-top:2px}
.mega-item:hover{background:var(--sub)}
.mega-item:hover strong{color:var(--accent)}
.mega-card{display:block;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease}
.mega-card:hover{border-color:var(--accent);box-shadow:var(--shadow-1)}
.mega-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.mega-card-body{padding:12px 14px 14px}
.mega-card-body strong{display:block;font-size:14px;font-weight:600}
.mega-card-body span{display:block;font-size:12px;color:var(--muted);line-height:1.7;margin-top:4px}
.mega-card-body em{display:block;font-style:normal;font-size:12px;font-weight:600;color:var(--accent);margin-top:8px}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:2px;color:var(--ink);
  transition:background-color .18s ease,color .18s ease;
}
.icon-btn:hover{background:var(--accent-soft);color:var(--accent-deep)}
.icon-btn svg{width:18px;height:18px}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:40px;height:38px;padding:0 8px;border:1px solid var(--line);border-radius:2px;
  transition:border-color .18s ease;
}
.nav-toggle span{display:block;height:2px;background:var(--ink);border-radius:1px;transition:background-color .18s ease}
.nav-toggle:hover{border-color:var(--ink)}

/* ============ 移动抽屉 ============ */
.drawer{
  position:fixed;inset:0;z-index:120;
  background:var(--bg);
  transform:translateX(102%);
  transition:transform .3s ease;
  display:flex;flex-direction:column;
  padding:20px 20px 32px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:20px;border-bottom:1px solid var(--line)}
.drawer-close{
  width:40px;height:40px;font-size:26px;line-height:1;color:var(--ink);
  border:1px solid var(--line);border-radius:2px;display:flex;align-items:center;justify-content:center;
}
.drawer-close:hover{border-color:var(--ink)}
.drawer-nav{display:flex;flex-direction:column;padding:16px 0 0}
.drawer-nav a{
  font-size:18px;font-weight:600;padding:15px 0;border-bottom:1px solid var(--line);
  transition:color .18s ease,padding-left .18s ease;
}
.drawer-nav a:hover{color:var(--accent);padding-left:6px}
.drawer-nav a.active{color:var(--accent)}
.drawer-cta{margin-top:28px;width:100%}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:12px;color:var(--muted);
  padding:22px 0 0;
}
.breadcrumb a{transition:color .18s ease}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{color:var(--disabled)}
.breadcrumb .cur{color:var(--ink);font-weight:500}

/* ============ Hero ============ */
.hero{padding:56px 0 0}
.hero-kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;font-weight:600;letter-spacing:.14em;color:var(--accent);
}
.hero-kicker::before{content:"";display:block;width:24px;height:1px;background:var(--accent)}
.hero h1{
  margin-top:20px;
  font-size:clamp(34px,5vw,58px);
  line-height:1.14;font-weight:800;letter-spacing:-.02em;
  max-width:17em;
}
.hero-lead{
  margin-top:22px;
  font-size:18px;line-height:1.85;color:var(--muted);
  max-width:34em;
}
.hero-meta{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:0;margin-top:48px;padding-top:26px;border-top:1px solid var(--line);
}
.hero-meta > div{padding-right:28px}
.hero-meta > div + div{border-left:1px solid var(--line);padding-left:28px}
.hero-meta dt{font-size:12px;letter-spacing:.12em;color:var(--disabled);font-weight:600}
.hero-meta dd{margin:8px 0 0;font-size:14.5px;line-height:1.8;color:#2E3439}

/* ============ 通用板块 ============ */
.section{padding:var(--sec) 0 0}
.section-head{max-width:760px;margin-bottom:40px}
.eyebrow{
  display:block;font-size:12px;font-weight:600;letter-spacing:.14em;
  color:var(--accent);margin-bottom:16px;
}
.section-title{
  font-size:clamp(26px,3.4vw,40px);
  line-height:1.24;font-weight:800;letter-spacing:-.01em;
}
.section-sub{margin-top:16px;font-size:17px;line-height:1.85;color:var(--muted);max-width:34em}

/* ============ 编号纵向流 ============ */
.flow-list{border-top:1px solid var(--line)}
.flow-item{
  display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:center;
  padding:48px 0;border-bottom:1px solid var(--line);
  transition:background-color .2s ease;
}
.flow-item:hover{background:var(--sub)}
.flow-item:nth-child(even){grid-template-columns:8fr 4fr}
.flow-item:nth-child(even) .flow-media{order:2}
.flow-media{
  overflow:hidden;border-radius:var(--radius-card);
  background:#EFEDE9;
}
.flow-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  transition:transform .6s ease-out;
}
.flow-item:hover .flow-media img{transform:scale(1.03)}
.flow-no{
  display:block;
  font-size:48px;line-height:1;font-weight:700;
  font-variant-numeric:tabular-nums;
  color:transparent;
  -webkit-text-stroke:1px rgba(18,22,26,.32);
  transition:color .22s ease,-webkit-text-stroke-color .22s ease;
}
.flow-item:hover .flow-no{color:var(--accent);-webkit-text-stroke-color:var(--accent)}
.flow-body h3{margin-top:16px;font-size:24px;line-height:1.4;font-weight:700}
.flow-body p{margin-top:14px;font-size:16px;line-height:1.9;color:var(--muted);max-width:36em}
.flow-body .link-cta{margin-top:22px}

/* ============ 适用场景标签 ============ */
.scene-section{padding-top:var(--sec)}
.scene-panel{
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:40px 0;
}
.scene-panel h2{font-size:20px;font-weight:700;line-height:1.5}
.scene-panel > p{margin-top:10px;color:var(--muted);font-size:15px;max-width:38em}
.tag-cloud{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.tag-pill{
  display:inline-flex;align-items:center;
  padding:9px 20px;border-radius:999px;
  border:1px solid var(--line);background:var(--card);
  font-size:14px;color:#3A4045;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .12s ease;
}
.tag-pill:hover{background:var(--ink);color:#fff;border-color:var(--ink);transform:translateY(-1px)}

/* ============ 核对项目 ============ */
.check-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:0 56px;
  border-top:1px solid var(--line);
}
.check-item{
  padding:26px 0;border-bottom:1px solid var(--line);
  transition:background-color .2s ease;
}
.check-item:hover{background:var(--sub)}
.check-item h4{
  font-size:17px;font-weight:600;line-height:1.6;
  display:flex;align-items:baseline;gap:10px;
}
.check-item h4 .num{
  font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--accent);
  font-variant-numeric:tabular-nums;
}
.check-item p{margin-top:8px;font-size:15px;line-height:1.85;color:var(--muted)}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--line);max-width:920px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:22px 0;text-align:left;font-size:17px;font-weight:600;line-height:1.6;
  transition:color .18s ease;
}
.faq-q:hover{color:var(--accent)}
.faq-sign{
  flex-shrink:0;position:relative;width:16px;height:16px;
}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;background:var(--accent);border-radius:1px;
  transition:transform .24s ease,opacity .24s ease;
}
.faq-sign::before{left:0;top:7.5px;width:16px;height:1.5px}
.faq-sign::after{left:7.25px;top:0;width:1.5px;height:16px}
.faq-item.open .faq-sign::after{transform:scaleY(0);opacity:0}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .24s ease;
}
.faq-a p{
  padding:0 0 24px;font-size:15px;line-height:1.85;color:var(--muted);
  max-width:60em;
}
.faq-item.open .faq-a{max-height:320px}

/* ============ 结尾 CTA ============ */
.cta-band{
  background:var(--ink);color:#E9E5DF;
  padding:96px 0;margin-top:var(--sec);
  text-align:center;
}
.cta-band h2{
  font-size:clamp(26px,3.4vw,40px);line-height:1.28;font-weight:800;
  color:#fff;max-width:20em;margin:0 auto;letter-spacing:-.01em;
}
.cta-band p{
  margin:18px auto 0;max-width:34em;
  font-size:17px;line-height:1.85;color:rgba(233,229,223,.74);
}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:36px}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;overflow:hidden;
  background:var(--ink);color:#E9E5DF;
  padding:72px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:48px;
  padding-bottom:56px;
}
.footer-brand .fb-main{font-size:22px;font-weight:800;letter-spacing:.02em;color:#fff}
.footer-brand .fb-sub{font-size:10.5px;letter-spacing:.08em;color:rgba(233,229,223,.6);margin-top:4px}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(233,229,223,.66);max-width:24em}
.footer-col h3{
  font-size:13px;font-weight:600;letter-spacing:.1em;
  color:rgba(233,229,223,.55);margin-bottom:18px;
}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:14px;color:#E9E5DF;transition:color .18s ease}
.footer-col a:hover{color:var(--accent-soft);text-decoration:underline;text-underline-offset:4px}
.footer-col p{font-size:13.5px;line-height:1.85;color:rgba(233,229,223,.62);margin-bottom:12px;max-width:22em}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 0 28px;border-top:1px solid rgba(233,229,223,.14);
}
.footer-bottom p{font-size:12.5px;color:rgba(233,229,223,.52);margin:0}
.footer-links{display:flex;gap:22px}
.footer-links a{font-size:12.5px;color:rgba(233,229,223,.66);transition:color .18s ease}
.footer-links a:hover{color:#fff}
.watermark{
  position:absolute;right:24px;bottom:-10px;
  font-size:clamp(120px,18vw,200px);font-weight:800;line-height:1;
  color:#fff;opacity:.05;pointer-events:none;user-select:none;
  letter-spacing:.04em;
}

/* ============ 固定转化条 ============ */
.fixed-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:90;
  height:64px;background:var(--ink);
  display:flex;align-items:center;
  border-top:1px solid rgba(255,255,255,.08);
}
.fixed-bar .container{display:flex;align-items:center;justify-content:space-between;gap:20px}
.fixed-bar p{margin:0;font-size:14px;color:#E9E5DF;line-height:1.5}
.fixed-bar p strong{color:#fff;font-weight:600}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* ============ 断点 ============ */
@media (max-width:1199px){
  :root{--sec:84px}
  .nav-desktop{gap:16px}
  .nav-link{font-size:14px}
  .header-inner{gap:20px}
  .mega-panel{left:-40px;width:720px}
}
@media (max-width:1099px){
  .mega-panel{width:640px;grid-template-columns:none}
  .mega-grid{grid-template-columns:1fr 1fr}
  .mega-card{display:none}
}
@media (max-width:991px){
  :root{--sec:72px}
  .nav-desktop{display:none}
  .nav-toggle{display:flex}
  .header-actions .icon-btn{display:none}
  .hero{padding-top:40px}
  .flow-item,
  .flow-item:nth-child(even){grid-template-columns:1fr;gap:28px}
  .flow-item:nth-child(even) .flow-media{order:0}
  .flow-media img{aspect-ratio:16/10}
  .flow-no{font-size:40px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .check-grid{gap:0 36px}
}
@media (max-width:767px){
  :root{--sec:52px}
  .container{padding:0 20px}
  body{padding-bottom:56px}
  .header-inner{height:64px;gap:14px}
  .site-header.is-scrolled .header-inner{height:58px}
  .brand-main{font-size:19px}
  .brand-sub{font-size:9px}
  .header-actions .btn-sm{padding:9px 14px;font-size:12px}
  .hero{padding-top:32px}
  .hero h1{font-size:clamp(30px,8vw,40px)}
  .hero-lead{font-size:16.5px}
  .hero-meta{grid-template-columns:1fr;gap:0;margin-top:36px}
  .hero-meta > div{padding:16px 0;border-bottom:1px solid var(--line)}
  .hero-meta > div + div{border-left:0;padding-left:0}
  .hero-meta > div:last-child{border-bottom:0}
  .section-head{margin-bottom:28px}
  .check-grid{grid-template-columns:1fr;gap:0}
  .cta-band{padding:64px 0}
  .cta-actions{flex-direction:column;align-items:stretch}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:40px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
  .fixed-bar{height:56px}
  .fixed-bar p{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .fixed-bar .btn{padding:9px 14px;font-size:12.5px;flex-shrink:0}
  .watermark{right:12px;bottom:-6px}
}
@media (max-width:479px){
  .hero h1{font-size:28px}
  .section-title{font-size:24px}
  .flow-body h3{font-size:20px}
  .flow-no{font-size:34px}
  .tag-pill{font-size:13px;padding:8px 16px}
  .faq-q{font-size:16px}
  .fixed-bar p{max-width:56%}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .reveal{opacity:1;transform:none}
  .flow-item:hover .flow-media img{transform:none}
}

/* roulang page: category3 */
:root{
  --ink:#12161A;
  --ink-soft:#2A3037;
  --accent:#0F7A66;
  --accent-deep:#0A5A4B;
  --accent-tint:#E4F0ED;
  --warm:#C2694A;
  --warm-tint:#F6E7E1;
  --bg:#F6F4F1;
  --surface:#FFFFFF;
  --surface-2:#FBFAF8;
  --line:#E4E0D9;
  --muted:#6E6A63;
  --disabled:#A8A39C;
  --error:#B4402E;
  --radius-card:4px;
  --radius-btn:2px;
  --radius-input:3px;
  --shadow-1:0 1px 2px rgba(18,22,26,.04);
  --shadow-2:0 12px 32px rgba(18,22,26,.10);
  --section:96px;
  --font-cn:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  --font-num:"Inter","Space Grotesk",ui-sans-serif,system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;padding-bottom:64px;
  background:var(--bg);color:var(--ink);
  font-family:var(--font-cn);font-size:16px;line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block;border-radius:var(--radius-card)}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:2px}
::selection{background:var(--accent-tint);color:var(--ink)}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.eyebrow{
  font-size:12px;line-height:1.4;font-weight:500;letter-spacing:.12em;
  color:var(--accent);text-transform:uppercase;
}
.lead{font-size:18px;line-height:1.85;max-width:34em;color:var(--muted)}
.muted{color:var(--muted)}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}

/* ---------- 顶部通告条 ---------- */
.announce{
  height:36px;background:var(--ink);color:#EDEAE4;
  display:flex;align-items:center;justify-content:center;
  font-size:12px;letter-spacing:.02em;position:relative;
}
.announce span{max-width:calc(100% - 96px);overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.announce-close{
  position:absolute;right:16px;top:50%;transform:translateY(-50%);
  width:22px;height:22px;border:0;background:transparent;color:#EDEAE4;
  font-size:15px;line-height:1;cursor:pointer;border-radius:2px;opacity:.7;
  transition:opacity .18s ease;
}
.announce-close:hover{opacity:1}
.announce.is-hidden{display:none}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;background:rgba(246,244,241,.94);
  backdrop-filter:saturate(150%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:height .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.header-inner{
  display:flex;align-items:center;gap:28px;height:72px;
  transition:height .18s ease;
}
.site-header.is-scrolled .header-inner{height:60px}
.site-header.is-scrolled{border-bottom-color:#D6D1C8;box-shadow:0 1px 0 rgba(18,22,26,.04)}
.brand{display:flex;flex-direction:column;justify-content:center;line-height:1;flex-shrink:0}
.brand-main{
  font-size:21px;font-weight:800;letter-spacing:-.01em;color:var(--ink);
}
.brand-sub{
  margin-top:5px;font-size:9.5px;letter-spacing:.12em;font-weight:500;color:var(--muted);
  white-space:nowrap;
}
.nav-desktop{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:34px;
  padding:0 12px;font-size:14px;font-weight:500;color:var(--ink-soft);
  white-space:nowrap;transition:color .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform .18s ease;
}
.nav-link:hover{color:var(--accent)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--ink);font-weight:600}
.nav-item{position:relative;display:flex;align-items:center}
.nav-item:hover>.nav-link::after,.nav-item:focus-within>.nav-link::after{transform:scaleX(1)}
.nav-item:hover>.nav-link{color:var(--accent)}

.mega-panel{
  position:absolute;top:calc(100% + 14px);right:-56px;
  width:min(860px,calc(100vw - 48px));
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-2);
  padding:24px;z-index:130;
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity .18s ease,transform .18s ease,visibility .18s;
}
.mega-panel::before{content:"";position:absolute;left:0;right:0;top:-16px;height:16px}
.nav-item:hover .mega-panel,.nav-item:focus-within .mega-panel{
  opacity:1;visibility:visible;transform:translateY(0);
}
.mega-label{
  font-size:12px;letter-spacing:.12em;color:var(--muted);font-weight:500;
  padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:18px;
}
.mega-grid{display:grid;grid-template-columns:1fr 1fr 264px;gap:24px}
.mega-col{display:flex;flex-direction:column;gap:2px}
.mega-item{
  display:block;padding:10px 10px 10px 12px;border-left:2px solid transparent;
  border-radius:2px;transition:background-color .18s ease,border-color .18s ease;
}
.mega-item strong{display:block;font-size:15px;font-weight:600;color:var(--ink);line-height:1.5}
.mega-item span{display:block;font-size:12px;color:var(--muted);line-height:1.7;margin-top:2px}
.mega-item:hover{background:var(--surface-2);border-left-color:var(--accent)}
.mega-item:hover strong{color:var(--accent)}
.mega-card{
  display:block;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;background:var(--surface);transition:border-color .18s ease,box-shadow .18s ease;
}
.mega-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0}
.mega-card-body{padding:14px 16px 16px}
.mega-card-body strong{display:block;font-size:15px;font-weight:700;line-height:1.5}
.mega-card-body span{display:block;font-size:12px;color:var(--muted);line-height:1.7;margin-top:4px}
.mega-card-body em{display:block;font-style:normal;font-size:12px;font-weight:600;color:var(--accent);margin-top:10px}
.mega-card:hover{border-color:var(--accent);box-shadow:var(--shadow-1)}

.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.icon-btn{
  width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid transparent;background:transparent;border-radius:var(--radius-btn);
  color:var(--ink-soft);cursor:pointer;transition:background-color .18s ease,border-color .18s ease,color .18s ease;
}
.icon-btn:hover{background:var(--surface);border-color:var(--line);color:var(--accent)}
.icon-btn svg{width:17px;height:17px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--font-cn);font-size:15px;font-weight:600;line-height:1;
  padding:14px 28px;border-radius:var(--radius-btn);border:1px solid transparent;
  cursor:pointer;transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.btn .arrow{transition:transform .18s ease}
.btn:hover .arrow{transform:translateX(4px)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:var(--accent);color:#fff}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-invert{background:#fff;color:var(--ink)}
.btn-invert:hover{background:var(--accent);color:#fff}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn-outline-light:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn-sm{padding:10px 20px;font-size:13px}
.btn:disabled,.btn.is-disabled{background:#EDEAE4;color:var(--disabled);border-color:#EDEAE4;cursor:not-allowed}
.btn:disabled:hover{transform:none}

.nav-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--line);background:var(--surface);
  border-radius:var(--radius-btn);cursor:pointer;padding:0;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:16px;height:1.5px;background:var(--ink);transition:transform .18s ease,opacity .18s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}

.mobile-drawer{
  position:fixed;inset:0;z-index:140;background:var(--bg);
  padding:20px 20px 32px;display:flex;flex-direction:column;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s;
  overflow-y:auto;
}
.mobile-drawer.is-open{opacity:1;visibility:visible;transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line)}
.drawer-close{width:36px;height:36px;border:1px solid var(--line);background:var(--surface);border-radius:2px;font-size:18px;line-height:1;cursor:pointer;color:var(--ink)}
.drawer-nav{margin-top:18px;display:flex;flex-direction:column}
.drawer-nav a{
  display:block;padding:16px 2px;font-size:18px;font-weight:700;
  border-bottom:1px solid var(--line);color:var(--ink);
}
.drawer-nav a.active{color:var(--accent)}
.drawer-sub{margin:4px 0 8px;padding-left:14px;border-left:2px solid var(--line)}
.drawer-sub a{font-size:14px;font-weight:500;padding:10px 2px;color:var(--muted)}
.drawer-cta{margin-top:22px}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:12px;line-height:1.6;color:var(--muted);padding:22px 0;
}
.breadcrumb a{color:var(--muted);transition:color .18s ease}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{color:#C7C2B9}
.breadcrumb .current{color:var(--ink);font-weight:600}
.breadcrumb.on-dark{color:rgba(233,229,223,.72);padding-top:26px;padding-bottom:0}
.breadcrumb.on-dark a{color:rgba(233,229,223,.72)}
.breadcrumb.on-dark a:hover{color:#fff}
.breadcrumb.on-dark .sep{color:rgba(233,229,223,.35)}
.breadcrumb.on-dark .current{color:#fff}

/* ---------- 深色带 Hero ---------- */
.hero-dark{
  position:relative;background-color:var(--ink);color:#F2EFEA;
  background-image:linear-gradient(rgba(18,22,26,.93),rgba(18,22,26,.97)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  padding-bottom:126px;overflow:hidden;
}
.hero-dark::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:rgba(255,255,255,.12);
}
.hero-dark .container{position:relative;z-index:2}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:10px;margin:34px 0 20px;
  font-size:12px;letter-spacing:.14em;font-weight:500;color:#8FD3C4;
}
.hero-eyebrow::before{content:"";width:26px;height:1px;background:#8FD3C4}
.hero-title{
  font-size:clamp(34px,5vw,58px);line-height:1.14;font-weight:800;letter-spacing:-.02em;
  color:#fff;max-width:16em;
}
.hero-title span{display:block;animation:riseIn .42s ease both}
.hero-title span:nth-child(2){animation-delay:.08s}
@keyframes riseIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.hero-lead{
  margin-top:22px;font-size:18px;line-height:1.85;color:rgba(233,229,223,.78);
  max-width:32em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:28px 44px;margin-top:42px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.14);
}
.hero-meta div{display:flex;flex-direction:column;gap:2px}
.hero-meta dt{font-size:12px;letter-spacing:.1em;color:rgba(233,229,223,.6)}
.hero-meta dd{margin:0;font-size:15px;font-weight:600;color:#fff}

/* ---------- 叠压步骤卡 ---------- */
.steps{position:relative;z-index:5;margin-top:-58px}
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:30px 26px 32px;box-shadow:var(--shadow-1);
  transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.step-card:hover{border-color:var(--accent);box-shadow:var(--shadow-2);transform:translateY(-2px)}
.step-num{
  font-family:var(--font-num);font-size:clamp(48px,7vw,92px);line-height:1;font-weight:700;
  letter-spacing:-.03em;color:var(--accent-tint);
}
.step-card:hover .step-num{color:var(--accent)}
.step-tag{
  display:inline-block;margin-bottom:14px;font-size:12px;font-weight:500;letter-spacing:.12em;
  color:var(--warm);background:var(--warm-tint);border-radius:999px;padding:4px 12px;
}
.step-card h3{font-size:24px;line-height:1.4;font-weight:700;margin:6px 0 10px}
.step-card p{font-size:14px;line-height:1.8;color:var(--muted)}

/* ---------- 通用板块 ---------- */
.section{padding:var(--section) 0}
.section-tight{padding-bottom:0}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px}
.section-title{font-size:clamp(26px,3.4vw,40px);line-height:1.24;font-weight:800;letter-spacing:-.01em;max-width:22em}
.section-lead{margin-top:14px;font-size:17px;line-height:1.85;color:var(--muted);max-width:38em}
.rule{height:1px;background:var(--line);border:0;margin:0}

/* ---------- 注意事项双栏 ---------- */
.split{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:start}
.notes{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.note{
  display:grid;grid-template-columns:64px 1fr;gap:18px;
  padding:24px 12px 24px 4px;border-bottom:1px solid var(--line);
  transition:background-color .18s ease;
}
.note:hover{background:var(--surface-2)}
.note-num{font-family:var(--font-num);font-size:15px;font-weight:700;color:var(--accent);padding-top:3px;letter-spacing:.02em}
.note h3{font-size:18px;line-height:1.5;font-weight:600;margin-bottom:6px}
.note p{font-size:15px;line-height:1.85;color:var(--muted)}

.aside-card{
  position:sticky;top:96px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);
}
.aside-card figure{margin:0}
.aside-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0}
.aside-card figcaption{font-size:12px;color:var(--muted);padding:10px 18px 0}
.aside-body{padding:18px 20px 24px}
.aside-body h3{font-size:18px;line-height:1.5;font-weight:700;margin-bottom:8px}
.aside-body p{font-size:14px;line-height:1.8;color:var(--muted)}
.kv{margin-top:18px;border-top:1px solid var(--line)}
.kv li{display:flex;justify-content:space-between;gap:14px;padding:10px 0;border-bottom:1px solid var(--line);font-size:13px}
.kv li:last-child{border-bottom:0}
.kv dt{color:var(--muted)}
.kv dd{margin:0;font-weight:600;color:var(--ink);text-align:right}

/* ---------- 规格带 ---------- */
.spec-strip{border-top:1px solid var(--line);padding-top:32px}
.spec-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.spec-item dt{font-size:12px;letter-spacing:.1em;color:var(--muted);margin-bottom:6px}
.spec-item dd{margin:0;font-size:16px;font-weight:600;line-height:1.6}

/* ---------- 标签 ---------- */
.tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tag{
  display:inline-flex;align-items:center;padding:7px 14px;border:1px solid var(--line);
  border-radius:999px;font-size:13px;color:var(--ink-soft);background:var(--surface);
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.tag:hover{background:var(--ink);color:#fff;border-color:var(--ink)}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line);max-width:900px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:transparent;border:0;padding:24px 4px;text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;line-height:1.6;color:var(--ink);
  transition:color .18s ease;
}
.faq-q:hover{color:var(--accent)}
.faq-icon{position:relative;flex-shrink:0;width:16px;height:16px}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:0;top:50%;width:16px;height:1.5px;background:currentColor;
  transition:transform .24s ease,opacity .24s ease;
}
.faq-icon::after{transform:rotate(90deg)}
.faq-q[aria-expanded="true"] .faq-icon::after{transform:rotate(0);opacity:0}
.faq-a{overflow:hidden}
.js .faq-a{max-height:0;transition:max-height .24s ease}
.faq-a-inner{padding:0 4px 26px;max-width:52em}
.faq-a-inner p{font-size:15px;line-height:1.85;color:var(--muted)}
.faq-a-inner p+p{margin-top:12px}

/* ---------- 结尾 CTA ---------- */
.cta-band{background:var(--ink);color:#F2EFEA;padding:96px 0;position:relative;overflow:hidden}
.cta-band .container{position:relative;z-index:2;text-align:center}
.cta-band h2{
  font-size:clamp(26px,3.4vw,40px);line-height:1.24;font-weight:800;
  color:#fff;max-width:20em;margin:0 auto;
}
.cta-band p{margin:18px auto 0;font-size:16px;line-height:1.85;color:rgba(233,229,223,.72);max-width:34em}
.cta-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-top:36px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#E9E5DF;position:relative;overflow:hidden;padding-top:72px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:48px 40px}
.fb-main{font-size:20px;font-weight:800;letter-spacing:-.01em;color:#fff;line-height:1.2}
.fb-sub{margin-top:6px;font-size:9.5px;letter-spacing:.12em;color:rgba(233,229,223,.62)}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.85;color:rgba(233,229,223,.62);max-width:24em}
.footer-col h3{
  font-size:13px;font-weight:500;letter-spacing:.1em;color:rgba(233,229,223,.6);
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(233,229,223,.86);transition:color .18s ease}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;text-decoration-color:var(--accent)}
.footer-col p{font-size:13px;line-height:1.85;color:rgba(233,229,223,.6);margin-bottom:10px}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0 30px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-size:12px;color:rgba(233,229,223,.58);
}
.footer-links{display:flex;flex-wrap:wrap;gap:20px}
.footer-links a{color:rgba(233,229,223,.7)}
.footer-links a:hover{color:#fff}
.watermark{
  position:absolute;right:-10px;bottom:-24px;
  font-size:clamp(120px,18vw,200px);line-height:1;font-weight:800;
  color:#fff;opacity:.05;pointer-events:none;user-select:none;letter-spacing:-.04em;
}

/* ---------- 固定转化条 ---------- */
.sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:90;height:64px;
  background:var(--ink);border-top:1px solid rgba(255,255,255,.1);
}
.sticky-inner{
  height:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.sticky-text{font-size:14px;color:rgba(233,229,223,.86);line-height:1.5}
.sticky-inner .btn{flex-shrink:0}

/* ---------- 图片占位 ---------- */
.img-placeholder{
  display:flex;align-items:center;justify-content:center;
  border:1px dashed var(--line);background:#EFEDE9;border-radius:var(--radius-card);
  color:var(--muted);font-size:12px;min-height:180px;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-desktop{gap:0}
  .nav-link{padding:0 9px;font-size:13px}
  .nav-link::after{left:9px;right:9px}
  .header-inner{gap:18px}
  .mega-panel{right:-24px}
  .split{gap:40px}
}
@media (max-width:991px){
  :root{--section:72px}
  .nav-desktop{display:none}
  .nav-toggle{display:inline-flex}
  .header-actions .btn-primary{display:none}
  .header-inner{height:64px;justify-content:space-between}
  .site-header.is-scrolled .header-inner{height:60px}
  .steps-grid{grid-template-columns:1fr;gap:16px;max-width:560px}
  .hero-dark{padding-bottom:96px}
  .steps{margin-top:-56px}
  .split{grid-template-columns:1fr;gap:36px}
  .aside-card{position:static}
  .spec-grid{grid-template-columns:repeat(2,1fr);gap:24px 20px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .cta-band{padding:72px 0}
  .site-footer{padding-top:56px}
}
@media (max-width:767px){
  :root{--section:52px}
  .container{padding:0 20px}
  body{font-size:15px;padding-bottom:56px}
  .hero-lead{font-size:16px}
  .hero-actions .btn{flex:1 1 100%;justify-content:center}
  .hero-meta{gap:20px 32px}
  .step-card{padding:24px 20px 26px}
  .step-num{font-size:52px}
  .step-card h3{font-size:20px}
  .note{grid-template-columns:44px 1fr;gap:12px;padding:20px 0}
  .faq-q{font-size:16px;padding:20px 2px}
  .cta-actions .btn{flex:1 1 100%;justify-content:center}
  .sticky-bar{height:56px}
  .sticky-text{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .sticky-inner .btn{padding:10px 16px;font-size:13px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .mega-panel{display:none}
}
@media (max-width:479px){
  .brand-main{font-size:18px}
  .brand-sub{font-size:8.5px;letter-spacing:.1em}
  .spec-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-title{font-size:30px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .hero-title span{animation:none;opacity:1;transform:none}
}

/* roulang page: category4 */
:root{
  --ink:#12161A;
  --accent:#0F7A66;
  --accent-deep:#0A5A4B;
  --accent-soft:#E4F0ED;
  --warm:#C2694A;
  --warm-soft:#F6E7E1;
  --bg:#F6F4F1;
  --card:#FFFFFF;
  --surface:#FBFAF8;
  --line:#E4E0D9;
  --muted:#6E6A63;
  --disabled:#A8A39C;
  --err:#B4402E;
  --radius-card:4px;
  --radius-btn:2px;
  --radius-input:3px;
  --shadow-flat:0 1px 2px rgba(18,22,26,.04);
  --shadow-card:0 12px 32px rgba(18,22,26,.10);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  --font-num: "Inter", "Space Grotesk", -apple-system, BlinkMacSystemFont, "PingFang SC", sans-serif;
  --space-section: 96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding-bottom:64px;
  font-family:var(--font);
  font-size:16px;
  line-height:1.9;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea{font-family:inherit;font-size:15px;color:var(--ink)}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
::selection{background:var(--accent-soft);color:var(--accent-deep)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(246,244,241,.96);
  backdrop-filter:saturate(140%) blur(6px);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:var(--shadow-flat)}
.header-inner{display:flex;align-items:center;gap:32px;height:72px;transition:height .2s ease}
.site-header.is-scrolled .header-inner{height:60px}
.brand{display:flex;flex-direction:column;justify-content:center;line-height:1;gap:5px;flex:0 0 auto}
.brand-main{font-size:20px;font-weight:800;letter-spacing:.06em;color:var(--ink)}
.brand-sub{font-size:9.5px;font-weight:500;letter-spacing:.08em;color:var(--muted)}
.nav-desktop{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;display:inline-block;
  padding:8px 12px;font-size:15px;font-weight:500;color:var(--ink);
  border-radius:var(--radius-btn);transition:color .18s ease,background .18s ease;
  white-space:nowrap;
}
.nav-link:hover{color:var(--accent-deep);background:var(--surface)}
.nav-link.active{font-weight:700}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;background:var(--accent);
}
.nav-item{position:relative}
.nav-item:hover > .nav-link,
.nav-item:focus-within > .nav-link{color:var(--accent-deep)}
.nav-item:hover > .nav-link::after,
.nav-item:focus-within > .nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;background:var(--accent);
}
.mega-panel{
  position:absolute;top:calc(100% + 14px);left:50%;
  width:min(860px, calc(100vw - 48px));
  transform:translateX(-50%) translateY(8px);
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  padding:22px;
  opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .18s ease, transform .18s ease, visibility .18s;
  z-index:130;
}
.nav-item:hover .mega-panel,
.nav-item:focus-within .mega-panel{
  opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0);
}
.mega-label{font-size:12px;letter-spacing:.12em;color:var(--muted);font-weight:500;margin-bottom:16px;text-transform:uppercase}
.mega-grid{display:grid;grid-template-columns:1fr 1fr 260px;gap:22px}
.mega-col{display:flex;flex-direction:column;gap:4px}
.mega-item{display:block;padding:10px 12px;border-radius:var(--radius-card);transition:background .18s ease}
.mega-item strong{display:block;font-size:15px;font-weight:600;color:var(--ink);line-height:1.5}
.mega-item span{display:block;font-size:12px;color:var(--muted);line-height:1.7;margin-top:2px}
.mega-item:hover{background:var(--surface)}
.mega-item:hover strong{color:var(--accent-deep)}
.mega-card{border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;background:var(--surface);transition:border-color .18s ease}
.mega-card:hover{border-color:var(--accent)}
.mega-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0}
.mega-card-body{padding:14px}
.mega-card-body strong{display:block;font-size:15px;font-weight:700;line-height:1.5}
.mega-card-body span{display:block;font-size:12px;color:var(--muted);line-height:1.7;margin-top:4px}
.mega-card-body em{display:block;font-style:normal;font-size:13px;font-weight:600;color:var(--accent);margin-top:10px}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:#fff;color:var(--ink);
  transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.icon-btn:hover{border-color:var(--accent);color:var(--accent-deep);background:var(--surface)}
.icon-btn svg{width:17px;height:17px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;font-size:15px;font-weight:600;line-height:1;
  border-radius:var(--radius-btn);border:1px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .12s ease;
  white-space:nowrap;
}
.btn .arr{transition:transform .18s ease}
.btn:hover .arr{transform:translateX(4px)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:var(--accent)}
.btn-secondary{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-secondary:hover{background:var(--ink);color:#fff}
.btn-sm{padding:11px 20px;font-size:13px}
.btn-on-dark{background:#fff;color:var(--ink);border-color:#fff}
.btn-on-dark:hover{background:var(--accent);border-color:var(--accent);color:#fff}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(233,229,223,.5)}
.btn-outline-light:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn[disabled],.btn.is-disabled{background:var(--disabled);color:#fff;border-color:var(--disabled);pointer-events:none}
.menu-toggle{
  display:none;width:40px;height:40px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--radius-btn);background:#fff;
}
.menu-toggle span{display:block;width:16px;height:1.5px;background:var(--ink);position:relative}
.menu-toggle span::before,.menu-toggle span::after{
  content:"";position:absolute;left:0;width:16px;height:1.5px;background:var(--ink);
}
.menu-toggle span::before{top:-5px}
.menu-toggle span::after{top:5px}

/* drawer */
.drawer{
  position:fixed;inset:0;z-index:200;background:var(--bg);
  display:flex;flex-direction:column;
  transform:translateX(100%);transition:transform .28s ease;
  padding:20px 24px 24px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line)}
.drawer-title{font-size:13px;letter-spacing:.12em;color:var(--muted)}
.drawer-close{width:34px;height:34px;font-size:22px;line-height:1;color:var(--ink);border:1px solid var(--line);border-radius:var(--radius-btn);background:#fff}
.drawer-nav{display:flex;flex-direction:column;padding:10px 0}
.drawer-nav a{
  font-size:18px;font-weight:700;padding:15px 0;border-bottom:1px solid var(--line);
}
.drawer-nav a.active{color:var(--accent-deep)}
.drawer-foot{margin-top:auto;padding-top:24px}
.drawer-foot .btn{width:100%}

/* ---------- breadcrumb ---------- */
.crumb-bar{border-bottom:1px solid var(--line);background:var(--bg)}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding:16px 0;font-size:12px;color:var(--muted)}
.breadcrumb a{color:var(--muted);transition:color .18s ease}
.breadcrumb a:hover{color:var(--accent-deep)}
.breadcrumb .sep{color:var(--disabled)}
.breadcrumb .current{color:var(--ink);font-weight:600}

/* ---------- hero ---------- */
.page-hero{padding:72px 0 56px;border-bottom:1px solid var(--line)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 12px;border:1px solid var(--line);border-radius:999px;
  font-size:12px;letter-spacing:.12em;color:var(--muted);background:#fff;
}
.eyebrow i{width:5px;height:5px;border-radius:50%;background:var(--accent);display:block}
.page-hero h1{
  font-size:clamp(34px,5vw,58px);line-height:1.14;font-weight:800;letter-spacing:-.02em;
  margin:24px 0 20px;max-width:20em;
}
.page-hero h1 em{font-style:normal;color:var(--accent-deep)}
.hero-lead{font-size:18px;line-height:1.85;color:var(--muted);max-width:34em}
.hero-metrics{display:flex;flex-wrap:wrap;gap:28px;margin-top:40px}
.metric{display:flex;flex-direction:column;gap:4px;padding-right:28px;border-right:1px solid var(--line)}
.metric:last-child{border-right:0;padding-right:0}
.metric b{font-family:var(--font-num);font-size:30px;line-height:1.1;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums}
.metric span{font-size:12px;letter-spacing:.1em;color:var(--muted)}

/* ---------- filter chips ---------- */
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px}
.chip{
  padding:9px 18px;border:1px solid var(--line);border-radius:999px;
  font-size:13px;font-weight:500;color:var(--ink);background:#fff;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.chip:hover{border-color:var(--accent);color:var(--accent-deep)}
.chip.is-active{background:var(--ink);color:#fff;border-color:var(--ink)}

/* ---------- sections ---------- */
.section{padding:var(--space-section) 0}
.section + .section{padding-top:0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;flex-wrap:wrap;margin-bottom:32px}
.section-title{font-size:clamp(26px,3.4vw,40px);line-height:1.24;font-weight:800;letter-spacing:-.01em}
.section-desc{font-size:15px;line-height:1.85;color:var(--muted);max-width:32em;margin-top:12px}
.section-num{font-family:var(--font-num);font-size:14px;letter-spacing:.12em;color:var(--accent);font-weight:600}

/* ---------- table ---------- */
.table-wrap{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden}
.issue-table{width:100%;border-collapse:collapse}
.issue-table thead th{
  font-size:12px;letter-spacing:.1em;font-weight:500;color:var(--muted);
  text-align:left;padding:14px 20px;
  border-bottom:1px solid var(--line);background:var(--bg);white-space:nowrap;
}
.issue-table tbody td{
  padding:22px 20px;font-size:15px;line-height:1.75;vertical-align:top;
  border-bottom:1px solid var(--line);color:var(--ink);
}
.issue-table tbody tr:last-child td{border-bottom:0}
.issue-table tbody tr{transition:background .18s ease}
.issue-table tbody tr:hover{background:var(--surface)}
.issue-table .col-symptom{width:31%}
.issue-table .col-reason{width:23%}
.issue-table .col-action{width:28%}
.cell-title{display:block;font-weight:600;margin-bottom:8px}
.cell-sub{display:block;font-size:13px;color:var(--muted)}
.badge{
  display:inline-flex;align-items:center;
  padding:3px 10px;border-radius:999px;
  font-size:11px;font-weight:500;letter-spacing:.08em;
  background:var(--warm-soft);color:#8A4227;
}
.badge-cool{background:var(--accent-soft);color:var(--accent-deep)}
.link-arrow{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--ink);padding-bottom:3px;
}
.link-arrow::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;
  background:var(--line);transition:background .18s ease;
}
.link-arrow:hover{color:var(--accent-deep)}
.link-arrow:hover::after{background:var(--accent)}
.link-arrow .arr{transition:transform .18s ease}
.link-arrow:hover .arr{transform:translateX(4px)}
.table-note{font-size:12px;line-height:1.8;color:var(--muted);margin-top:16px;max-width:60em}
.empty-row{display:none;padding:32px 20px;text-align:center;font-size:14px;color:var(--muted)}
.empty-row.is-on{display:block}

/* ---------- checklist ---------- */
.checklist{border-top:1px solid var(--line)}
.check-item{
  display:grid;grid-template-columns:120px 1fr;gap:32px;
  padding:36px 0;border-bottom:1px solid var(--line);
  transition:background .18s ease;
}
.check-item:hover{background:var(--surface)}
.check-num{
  font-family:var(--font-num);font-size:clamp(48px,7vw,92px);line-height:1;font-weight:700;
  color:rgba(15,122,102,.12);font-variant-numeric:tabular-nums;
  transition:color .2s ease;
}
.check-item:hover .check-num{color:var(--accent)}
.check-body h3{font-size:24px;line-height:1.4;font-weight:700;margin-bottom:10px}
.check-body p{font-size:15px;line-height:1.9;color:var(--muted);max-width:38em}
.check-body .link-arrow{margin-top:16px}

/* ---------- split ---------- */
.split{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:center}
.split-media{border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;background:var(--surface)}
.split-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .6s ease-out}
.split-media:hover img{transform:scale(1.03)}
.split-caption{font-size:12px;color:var(--muted);margin-top:10px}
.split-body h2{font-size:clamp(26px,3.4vw,40px);line-height:1.24;font-weight:800;margin-bottom:18px;letter-spacing:-.01em}
.split-body p{font-size:16px;line-height:1.9;color:var(--muted);margin-bottom:16px;max-width:34em}
.mini-list{margin:22px 0 26px;border-top:1px solid var(--line)}
.mini-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 0;border-bottom:1px solid var(--line);
  font-size:15px;line-height:1.8;
}
.mini-list li::before{
  content:"";flex:0 0 auto;width:6px;height:6px;margin-top:11px;
  border-radius:50%;background:var(--accent);
}

/* ---------- faq ---------- */
.faq{border-top:1px solid var(--line);max-width:900px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  width:100%;text-align:left;padding:24px 0;
  font-size:17px;font-weight:600;line-height:1.6;color:var(--ink);
  transition:color .18s ease;
}
.faq-q:hover{color:var(--accent-deep)}
.faq-icon{position:relative;flex:0 0 auto;width:14px;height:14px}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--accent);transition:transform .24s ease,opacity .24s ease;
}
.faq-icon::before{left:0;top:6.5px;width:14px;height:1.5px}
.faq-icon::after{left:6.25px;top:0;width:1.5px;height:14px}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .24s ease;
}
.faq-a p{font-size:15px;line-height:1.85;color:var(--muted);padding:0 0 24px;max-width:44em}
.faq-item.is-open .faq-a{max-height:320px}

/* ---------- cta band ---------- */
.cta-band{background:var(--ink);color:#E9E5DF;padding:96px 0}
.cta-inner{max-width:760px;margin:0 auto;text-align:center}
.cta-band h2{
  font-size:clamp(26px,3.4vw,40px);line-height:1.24;font-weight:800;color:#fff;letter-spacing:-.01em;
}
.cta-band p{font-size:16px;line-height:1.9;color:rgba(233,229,223,.78);margin:18px auto 34px;max-width:36em}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{position:relative;background:var(--ink);color:#E9E5DF;padding:72px 0 0;overflow:hidden}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:48px;padding-bottom:56px}
.fb-main{font-size:20px;font-weight:800;letter-spacing:.06em;color:#fff}
.fb-sub{font-size:9.5px;letter-spacing:.08em;color:rgba(233,229,223,.6);margin-top:5px}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(233,229,223,.7);margin-top:18px;max-width:22em}
.footer-col h3{
  font-size:13px;font-weight:600;letter-spacing:.1em;color:rgba(233,229,223,.55);
  margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14px;color:rgba(233,229,223,.86);transition:color .18s ease}
.footer-col a:hover{color:#fff}
.footer-col p{font-size:13px;line-height:1.9;color:rgba(233,229,223,.66);margin-bottom:12px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  padding:22px 0 30px;border-top:1px solid rgba(233,229,223,.16);
  font-size:12px;color:rgba(233,229,223,.6);
}
.footer-links{display:flex;gap:20px}
.footer-links a{color:rgba(233,229,223,.7);transition:color .18s ease}
.footer-links a:hover{color:#fff}
.watermark{
  position:absolute;right:24px;bottom:-24px;
  font-size:clamp(120px,18vw,200px);line-height:1;font-weight:800;
  color:#fff;opacity:.05;pointer-events:none;user-select:none;letter-spacing:.02em;
}

/* ---------- sticky bar ---------- */
.sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:90;
  background:var(--ink);color:#E9E5DF;height:64px;
  display:flex;align-items:center;
}
.sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%}
.sticky-text{font-size:13px;line-height:1.6;color:rgba(233,229,223,.86);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sticky-text b{color:#fff;font-weight:600}
.sticky-bar .btn{background:var(--accent);color:#fff;padding:11px 22px;font-size:13px}
.sticky-bar .btn:hover{background:var(--accent-deep)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-in{opacity:1;transform:none}
.hero-in > *{opacity:0;transform:translateY(12px);animation:fadeUp .42s ease forwards}
.hero-in > *:nth-child(1){animation-delay:.02s}
.hero-in > *:nth-child(2){animation-delay:.10s}
.hero-in > *:nth-child(3){animation-delay:.18s}
.hero-in > *:nth-child(4){animation-delay:.26s}
.hero-in > *:nth-child(5){animation-delay:.34s}
@keyframes fadeUp{to{opacity:1;transform:translateY(0)}}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .mega-panel{width:min(760px, calc(100vw - 48px))}
  .mega-grid{grid-template-columns:1fr 1fr 220px;gap:16px}
  .footer-grid{gap:36px}
}
@media (max-width:991px){
  :root{--space-section:72px}
  .nav-desktop{display:none}
  .menu-toggle{display:inline-flex}
  .header-inner{height:64px;gap:16px}
  .brand{margin-right:auto}
  .nav-actions{margin-left:auto}
  .nav-actions .btn-sm{display:none}
  .hero-metrics{gap:20px}
  .metric{padding-right:20px}
  .split{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px}
  .check-item{grid-template-columns:90px 1fr;gap:24px}
}
@media (max-width:767px){
  :root{--space-section:52px}
  .container{padding:0 20px}
  body{padding-bottom:56px}
  .page-hero{padding:48px 0 40px}
  .page-hero h1{margin:18px 0 14px}
  .hero-lead{font-size:16px}
  .metric b{font-size:24px}
  .metric span{font-size:11px}
  .issue-table thead{display:none}
  .issue-table,.issue-table tbody,.issue-table tr,.issue-table td{display:block;width:100%}
  .issue-table tbody tr{
    border-bottom:1px solid var(--line);padding:20px 0;
  }
  .issue-table tbody td{
    border-bottom:0;padding:6px 20px;
  }
  .issue-table tbody td::before{
    content:attr(data-label);
    display:block;font-size:11px;letter-spacing:.1em;color:var(--muted);
    margin-bottom:3px;
  }
  .issue-table .col-symptom,
  .issue-table .col-reason,
  .issue-table .col-action{width:100%}
  .check-item{grid-template-columns:1fr;gap:12px;padding:28px 0}
  .check-num{font-size:52px}
  .check-body h3{font-size:20px}
  .section-head{gap:16px}
  .cta-band{padding:64px 0}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:40px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
  .watermark{right:10px;bottom:-10px}
  .sticky-bar{height:56px}
  .sticky-text{font-size:13px}
  .sticky-bar .btn{padding:10px 16px;font-size:12px;width:auto;min-width:40%}
  .faq-q{font-size:16px;padding:20px 0}
  .split-caption{font-size:11px}
}
@media (max-width:479px){
  .page-hero h1{font-size:30px}
  .hero-metrics{gap:0;flex-direction:column;align-items:flex-start}
  .metric{border-right:0;border-bottom:1px solid var(--line);width:100%;padding:12px 0}
  .metric:last-child{border-bottom:0}
  .cta-actions .btn{width:100%}
  .filter-row{gap:8px}
  .chip{padding:8px 14px;font-size:12px}
  .sticky-text{max-width:52%}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-delay:0ms !important;
    transition-duration:.001ms !important;
  }
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
  .hero-in > *{opacity:1;transform:none}
  .split-media:hover img{transform:none}
}

/* roulang page: category5 */
:root{
  --ink:#12161A;
  --ink-soft:#2A3036;
  --accent:#0F7A66;
  --accent-deep:#0A5A4B;
  --accent-soft:#E4F0ED;
  --warm:#C2694A;
  --warm-soft:#F6E7E1;
  --bg:#F6F4F1;
  --card:#FFFFFF;
  --surface:#FBFAF8;
  --line:#E4E0D9;
  --muted:#6E6A63;
  --disabled:#A8A39C;
  --danger:#B4402E;
  --success:#0F7A66;
  --radius-card:4px;
  --radius-btn:2px;
  --radius-input:3px;
  --shadow-soft:0 1px 2px rgba(18,22,26,.04);
  --shadow-hover:0 12px 32px rgba(18,22,26,.10);
  --container:1240px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  --font-num:"Inter","Space Grotesk","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding-bottom:64px;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block;border-radius:var(--radius-card)}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
input,textarea,select{font-family:inherit;font-size:15px;color:var(--ink)}
::selection{background:var(--accent-soft);color:var(--accent-deep)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section-title{font-size:clamp(26px,3.4vw,40px);line-height:1.24;font-weight:800;letter-spacing:-.01em}
.section-desc{max-width:34em;color:var(--muted);font-size:15px;line-height:1.85;margin-top:12px}
.eyebrow{
  font-family:var(--font-num);
  font-size:12px;
  letter-spacing:.12em;
  font-weight:500;
  color:var(--accent);
  text-transform:uppercase;
}
.rule{height:1px;background:var(--line);border:0}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(246,244,241,.94);
  backdrop-filter:saturate(150%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 1px 0 rgba(18,22,26,.08),0 6px 20px rgba(18,22,26,.05)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;transition:height .2s ease}
.site-header.is-scrolled .header-inner{height:60px}
.brand{display:flex;flex-direction:column;line-height:1.1;flex:0 0 auto}
.brand-main{font-size:20px;font-weight:800;letter-spacing:.02em;color:var(--ink)}
.brand-sub{font-size:9.5px;letter-spacing:.08em;color:var(--muted);margin-top:4px}
.nav-desktop{display:flex;align-items:center;gap:26px;flex:1 1 auto;justify-content:center}
.nav-link{
  position:relative;display:inline-block;
  font-size:15px;font-weight:500;color:var(--ink-soft);
  padding:6px 0;transition:color .18s ease;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-link:hover{color:var(--accent-deep)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--ink);font-weight:600}
.nav-item{position:relative}
.nav-item:hover>.nav-link::after,.nav-item:focus-within>.nav-link::after{transform:scaleX(1)}
.mega-panel{
  position:absolute;top:calc(100% + 18px);right:0;
  width:820px;max-width:calc(100vw - 48px);
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:0 24px 60px rgba(18,22,26,.14);
  padding:24px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s;
  pointer-events:none;
}
.nav-item:hover .mega-panel,.nav-item:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);pointer-events:auto}
.mega-label{font-size:12px;letter-spacing:.1em;color:var(--muted);padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:18px}
.mega-grid{display:grid;grid-template-columns:1fr 1fr 260px;gap:24px}
.mega-col{display:flex;flex-direction:column;gap:14px}
.mega-item{display:block;padding:8px 0;border-bottom:1px solid transparent;transition:border-color .18s ease}
.mega-item strong{display:block;font-size:15px;font-weight:600;color:var(--ink);transition:color .18s ease}
.mega-item span{display:block;font-size:12px;color:var(--muted);line-height:1.7;margin-top:2px}
.mega-item:hover strong{color:var(--accent)}
.mega-card{display:block;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;background:var(--surface);transition:border-color .2s ease,box-shadow .2s ease}
.mega-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0}
.mega-card-body{padding:14px}
.mega-card-body strong{display:block;font-size:14px;font-weight:700}
.mega-card-body span{display:block;font-size:12px;color:var(--muted);line-height:1.7;margin-top:4px}
.mega-card-body em{display:block;font-style:normal;font-size:12px;color:var(--accent);margin-top:10px}
.mega-card:hover{border-color:var(--accent);box-shadow:var(--shadow-hover)}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.icon-btn{
  width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--radius-btn);background:transparent;color:var(--ink);
  transition:border-color .18s ease,background .18s ease,color .18s ease;
}
.icon-btn:hover{border-color:var(--ink);background:var(--ink);color:#fff}
.nav-toggle{display:none}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;
  padding:14px 28px;border-radius:var(--radius-btn);
  border:1px solid transparent;transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .12s ease;
}
.btn .arw{transition:transform .18s ease;font-family:var(--font-num)}
.btn:hover .arw{transform:translateX(4px)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-primary:hover{background:var(--accent);border-color:var(--accent);color:#fff}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-accent{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-accent:hover{background:var(--accent-deep);border-color:var(--accent-deep)}
.btn-sm{padding:12px 24px;font-size:13px}
.btn[disabled],.btn.is-disabled{background:var(--disabled);border-color:var(--disabled);color:#fff;cursor:not-allowed;transform:none}
.link-cta{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--accent);padding-bottom:4px;
}
.link-cta::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .22s ease}
.link-cta:hover::after{transform:scaleX(1)}
.link-cta .arw{transition:transform .18s ease;font-family:var(--font-num)}
.link-cta:hover .arw{transform:translateX(4px)}

/* ---------- breadcrumb ---------- */
.breadcrumb{padding:20px 0 0}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;color:var(--muted)}
.breadcrumb li::after{content:"/";margin-left:8px;color:var(--line)}
.breadcrumb li:last-child::after{content:"";margin:0}
.breadcrumb a{color:var(--muted);transition:color .18s ease}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb li[aria-current]{color:var(--ink);font-weight:600}

/* ---------- hero ---------- */
.page-hero{padding:40px 0 8px}
.hero-eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-num);font-size:12px;letter-spacing:.12em;color:var(--warm);font-weight:500;margin-bottom:18px}
.hero-eyebrow::before{content:"";width:28px;height:1px;background:var(--warm);display:inline-block}
.page-hero h1{
  font-size:clamp(34px,5vw,58px);line-height:1.14;font-weight:800;letter-spacing:-.02em;max-width:20em;
}
.hero-lead{max-width:36em;font-size:18px;line-height:1.85;color:var(--muted);margin-top:20px}
.hero-tools{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px;align-items:end;margin-top:36px;padding-top:28px;border-top:1px solid var(--line)}
.search-box{display:flex;align-items:center;border:1px solid var(--line);border-radius:var(--radius-input);background:var(--card);overflow:hidden;max-width:520px;transition:border-color .18s ease,box-shadow .18s ease}
.search-box:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px rgba(15,122,102,.10)}
.search-box input{flex:1 1 auto;border:0;background:transparent;padding:13px 16px;font-size:15px;outline:none}
.search-box button{border:0;background:var(--ink);color:#fff;padding:0 20px;height:46px;font-size:14px;font-weight:600;transition:background .18s ease}
.search-box button:hover{background:var(--accent)}
.hero-meta{display:flex;gap:32px;flex-wrap:wrap}
.hero-meta div{min-width:96px}
.hero-meta .num{font-family:var(--font-num);font-size:clamp(28px,3vw,38px);font-weight:700;line-height:1;color:var(--accent);font-variant-numeric:tabular-nums}
.hero-meta .lab{font-size:12px;letter-spacing:.06em;color:var(--muted);margin-top:8px}

/* ---------- support layout ---------- */
.support-wrap{padding:64px 0 96px}
.support-layout{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:48px;align-items:start}
.panel-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.panel-head h2{font-size:24px;font-weight:800;letter-spacing:-.01em}
.panel-head span{font-size:12px;letter-spacing:.1em;color:var(--muted)}
.acc{display:block}
.acc-item{border-bottom:1px solid var(--line)}
.acc-head{
  width:100%;display:flex;align-items:flex-start;gap:18px;
  background:transparent;border:0;text-align:left;
  padding:26px 0;transition:color .18s ease;
}
.acc-head:hover .acc-title{color:var(--accent)}
.acc-num{font-family:var(--font-num);font-size:13px;font-weight:600;color:var(--accent);letter-spacing:.08em;padding-top:4px;flex:0 0 auto}
.acc-title{flex:1 1 auto;font-size:18px;font-weight:600;line-height:1.5;color:var(--ink);transition:color .18s ease}
.acc-title small{display:block;font-size:13px;font-weight:400;color:var(--muted);line-height:1.7;margin-top:6px}
.acc-icon{position:relative;width:14px;height:14px;flex:0 0 14px;margin-top:8px}
.acc-icon::before,.acc-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--ink);transition:transform .24s ease,opacity .24s ease,background .18s ease}
.acc-icon::before{width:14px;height:1.5px;transform:translate(-50%,-50%)}
.acc-icon::after{width:1.5px;height:14px;transform:translate(-50%,-50%)}
.acc-item.is-open .acc-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.acc-item.is-open .acc-icon::before{background:var(--accent)}
.acc-body{display:grid;grid-template-rows:0fr;transition:grid-template-rows .24s ease}
.acc-item.is-open .acc-body{grid-template-rows:1fr}
.acc-inner{overflow:hidden}
.acc-content{padding:0 0 28px 34px;font-size:15px;line-height:1.85;color:var(--muted)}
.acc-content p+p{margin-top:12px}
.acc-content strong{color:var(--ink);font-weight:600}
.acc-links{display:flex;flex-wrap:wrap;gap:20px;margin-top:16px}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--radius-card);background:#EFEDE9;
  padding:36px 20px;text-align:center;color:var(--muted);font-size:14px;
}
.empty-state .link-cta{margin-top:10px}
.service-note{margin-top:28px;font-size:12px;line-height:1.8;color:var(--muted);padding-top:16px;border-top:1px solid var(--line)}

/* ---------- aside card ---------- */
.aside-sticky{position:sticky;top:96px;display:grid;gap:24px}
.contact-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:28px 24px;box-shadow:var(--shadow-soft)}
.contact-card h2{font-size:20px;font-weight:800;letter-spacing:-.01em}
.contact-card .cc-desc{font-size:14px;line-height:1.8;color:var(--muted);margin-top:10px}
.field{margin-top:18px}
.field label{display:block;font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--ink);margin-bottom:8px}
.field input,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--radius-input);
  background:var(--surface);padding:11px 13px;line-height:1.6;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.field textarea{resize:vertical;min-height:96px}
.field input:hover,.field textarea:hover{border-color:#CFC9C0}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent);background:#fff;box-shadow:0 0 0 3px rgba(15,122,102,.10)}
.field input:disabled,.field textarea:disabled{background:#EFEDE9;color:var(--disabled);cursor:not-allowed}
.contact-card .btn{width:100%;justify-content:center;margin-top:22px}
.form-note{font-size:12px;line-height:1.75;color:var(--muted);margin-top:14px}
.form-alert{display:block;margin-top:18px;padding:12px 14px;border-radius:var(--radius-input);font-size:13px;line-height:1.7;border:1px solid}
.form-alert.is-error{background:#FBEDEA;border-color:#E7C6BF;color:var(--danger)}
.form-alert.is-success{background:var(--accent-soft);border-color:#BFDCD4;color:var(--accent-deep)}
.mini-card{border:1px solid var(--line);border-radius:var(--radius-card);background:var(--surface);padding:20px}
.mini-card img{width:100%;aspect-ratio:16/10;object-fit:cover;margin-bottom:14px}
.mini-card h3{font-size:15px;font-weight:700}
.mini-card p{font-size:13px;line-height:1.8;color:var(--muted);margin-top:6px}
.mini-card .link-cta{margin-top:12px}

/* ---------- quick access strip ---------- */
.quick-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:56px;align-items:center;border-top:1px solid var(--line);padding-top:64px}
.quick-figure{border-radius:var(--radius-card);overflow:hidden;background:#EFEDE9}
.quick-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .6s ease}
.quick-figure:hover img{transform:scale(1.03)}
.quick-caption{font-size:12px;color:var(--muted);margin-top:12px;line-height:1.7}
.kv-list{margin-top:24px}
.kv-list li{display:flex;gap:18px;padding:18px 0;border-bottom:1px solid var(--line);transition:background .18s ease}
.kv-list li:hover{background:var(--surface)}
.kv-list .k{flex:0 0 118px;font-size:13px;letter-spacing:.06em;color:var(--warm);font-weight:600;padding-top:2px}
.kv-list .v{flex:1 1 auto;font-size:15px;line-height:1.8;color:var(--ink-soft)}
.kv-list .v a{color:var(--accent);font-weight:600}

/* ---------- faq wide ---------- */
.faq-wide{border-top:1px solid var(--line)}

/* ---------- cta ---------- */
.cta-band{background:var(--ink);color:#fff;padding:96px 0;text-align:center}
.cta-band h2{font-size:clamp(26px,3.4vw,40px);line-height:1.24;font-weight:800;letter-spacing:-.01em;color:#fff;max-width:22em;margin:0 auto}
.cta-band p{max-width:34em;margin:18px auto 0;font-size:16px;line-height:1.85;color:#C9C4BC}
.cta-actions{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;margin-top:36px}
.btn-light{background:#fff;color:var(--ink);border-color:#fff}
.btn-light:hover{background:var(--accent);border-color:var(--accent);color:#fff}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-outline-light:hover{background:#fff;color:var(--ink);border-color:#fff}

/* ---------- footer ---------- */
.site-footer{position:relative;overflow:hidden;background:var(--ink);color:#E9E5DF;padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand .fb-main{font-size:20px;font-weight:800;letter-spacing:.02em;color:#fff}
.footer-brand .fb-sub{font-size:10px;letter-spacing:.1em;color:#8E8880;margin-top:5px}
.footer-brand p{font-size:13px;line-height:1.85;color:#A9A39B;margin-top:16px;max-width:24em}
.footer-col h3{font-size:13px;letter-spacing:.1em;font-weight:600;color:#fff;margin-bottom:18px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:#B7B1A9;transition:color .18s ease}
.footer-col a:hover{color:#fff}
.footer-col p{font-size:13px;line-height:1.85;color:#A9A39B}
.footer-col p+p{margin-top:10px}
.footer-bottom{border-top:1px solid rgba(233,229,223,.14);padding:22px 0 28px;display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between}
.footer-bottom p{font-size:12px;color:#8E8880}
.footer-links{display:flex;gap:20px;flex-wrap:wrap}
.footer-links a{font-size:12px;color:#B7B1A9;transition:color .18s ease}
.footer-links a:hover{color:#fff}
.watermark{
  position:absolute;right:24px;bottom:-10px;
  font-size:clamp(120px,18vw,200px);font-weight:800;line-height:1;color:#fff;opacity:.05;
  pointer-events:none;user-select:none;letter-spacing:.04em;
}

/* ---------- sticky bar ---------- */
.sticky-bar{position:fixed;left:0;right:0;bottom:0;z-index:90;background:var(--ink);color:#fff;border-top:1px solid rgba(233,229,223,.12)}
.sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px}
.sticky-inner p{font-size:14px;line-height:1.5;color:#DAD5CD}
.sticky-inner p strong{color:#fff;font-weight:600}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- mobile drawer ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(18,22,26,.45);opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s;z-index:110}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(420px,86vw);background:var(--bg);
  z-index:120;transform:translateX(100%);transition:transform .28s ease;
  display:flex;flex-direction:column;padding:20px 22px calc(20px + env(safe-area-inset-bottom));
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line)}
.drawer-close{border:1px solid var(--line);background:transparent;width:36px;height:36px;border-radius:var(--radius-btn);font-size:18px;line-height:1;color:var(--ink)}
.drawer-close:hover{border-color:var(--ink)}
.drawer-nav{margin-top:18px;display:grid;gap:2px}
.drawer-nav a{display:block;padding:14px 0;font-size:18px;font-weight:700;border-bottom:1px solid var(--line);transition:color .18s ease}
.drawer-nav a:hover{color:var(--accent)}
.drawer-nav a.is-active{color:var(--accent)}
.drawer-sub{margin:14px 0 0;display:grid;gap:2px;padding-left:14px;border-left:1px solid var(--line)}
.drawer-sub a{font-size:14px;font-weight:500;color:var(--muted);border-bottom:1px solid var(--line);padding:10px 0}
.drawer-sub a:hover{color:var(--accent)}
.drawer-cta{margin-top:auto;padding-top:24px}

/* ---------- breakpoints ---------- */
@media (max-width:1199px){
  .mega-panel{width:720px}
  .support-layout{gap:36px}
  .quick-grid{gap:40px}
}
@media (max-width:991px){
  .nav-desktop{display:none}
  .nav-actions .btn{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{height:64px}
  .section{padding:72px 0}
  .support-wrap{padding:48px 0 72px}
  .support-layout{grid-template-columns:minmax(0,1fr);gap:40px}
  .aside-sticky{position:static}
  .quick-grid{grid-template-columns:minmax(0,1fr);gap:32px;padding-top:48px}
  .cta-band{padding:72px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  body{padding-bottom:56px}
  .container{padding:0 20px}
  .section{padding:52px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .hero-tools{grid-template-columns:minmax(0,1fr);gap:20px}
  .hero-meta{gap:24px}
  .acc-head{padding:22px 0;gap:14px}
  .acc-title{font-size:16px}
  .acc-content{padding-left:0}
  .sticky-inner{height:56px;gap:14px}
  .sticky-inner p{font-size:13px;line-height:1.4;flex:1 1 auto}
  .sticky-inner .btn{padding:10px 16px;font-size:13px;flex:0 0 auto;min-width:40%}
  .cta-band{padding:56px 0}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .watermark{right:12px;bottom:-4px}
  .kv-list li{flex-direction:column;gap:6px}
  .kv-list .k{flex:0 0 auto}
}
@media (max-width:479px){
  .page-hero h1{font-size:30px}
  .hero-lead{font-size:16px}
  .btn{padding:13px 20px;font-size:14px}
  .contact-card{padding:22px 18px}
  .hero-meta .num{font-size:26px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
  .quick-figure:hover img{transform:none}
}