/* roulang page: index */
:root{
  --brand-900:#0A2E2B;--brand-700:#0B6E63;--brand-500:#17A398;--brand-300:#7FD8B8;--brand-050:#EAF7F3;
  --accent-600:#E9552B;--accent-500:#FF6B35;--accent-050:#FFF1EA;
  --ink-900:#10201E;--ink-700:#2B3A38;--ink-500:#64746F;
  --line:#E4EAE8;--bg:#F7F8F6;--surface:#FFFFFF;
  --grad-brand:linear-gradient(118deg,#0B6E63 0%,#17A398 52%,#5FC9A8 100%);
  --grad-accent:linear-gradient(118deg,#FF6B35 0%,#E9552B 100%);
  --sh-1:0 1px 2px rgba(16,32,30,.05);
  --sh-2:0 10px 28px -14px rgba(16,32,30,.22);
  --sh-3:0 24px 56px -24px rgba(16,32,30,.30);
  --r-12:12px;--r-16:16px;--r-20:20px;--r-28:28px;--r-999:999px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --nav-w:240px;--sec-y:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--bg);color:var(--ink-700);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.85;font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-700);text-decoration:none;transition:color .24s var(--ease);}
a:hover{color:var(--accent-500);}
button,input,select,textarea{font:inherit;color:inherit;}
button{border:0;background:none;cursor:pointer;}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;letter-spacing:-0.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(23,163,152,.35);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- app shell ---------- */
.app-shell{min-height:100vh;}
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);background:var(--surface);
  border-right:1px solid var(--line);z-index:60;transition:width .26s var(--ease);
}
.sidebar-inner{display:flex;flex-direction:column;height:100%;padding:22px 16px 20px;gap:26px;}
.brand{display:flex;align-items:center;gap:12px;padding:4px 6px;color:var(--ink-900);}
.brand:hover{color:var(--ink-900);}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:14px;background:var(--grad-brand);
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:19px;font-weight:700;
  box-shadow:var(--sh-2);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;overflow:hidden;}
.brand-text strong{font-size:16px;font-weight:700;letter-spacing:-0.01em;}
.brand-text small{font-size:11.5px;color:var(--ink-500);letter-spacing:.02em;}
.side-nav{display:flex;flex-direction:column;gap:4px;flex:1;}
.side-link{
  position:relative;display:flex;align-items:center;gap:12px;height:44px;padding:0 12px;border-radius:12px;
  color:var(--ink-700);font-size:15px;transition:background .24s var(--ease),color .24s var(--ease);
}
.side-link svg{width:20px;height:20px;flex:0 0 20px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.side-link:hover{background:var(--brand-050);color:var(--ink-900);}
.side-link.is-active{background:var(--brand-050);color:var(--ink-900);font-weight:600;}
.side-link.is-active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:3px;background:var(--brand-500);
}
.side-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;height:48px;border-radius:var(--r-999);
  background:var(--grad-accent);color:#fff;font-size:15px;font-weight:600;box-shadow:var(--sh-2);
  transition:filter .24s var(--ease),transform .24s var(--ease);
}
.side-cta svg{width:18px;height:18px;stroke:#fff;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.side-cta:hover{color:#fff;filter:brightness(1.04);transform:translateY(-1px);}
.side-cta:active{transform:translateY(1px);}
.overlay{position:fixed;inset:0;background:rgba(10,46,43,.5);opacity:0;visibility:hidden;transition:opacity .26s var(--ease),visibility .26s;z-index:70;}
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;background:var(--surface);
  border-bottom:1px solid var(--line);align-items:center;gap:12px;padding:0 14px;z-index:65;
}
.topbar-brand{font-size:15px;font-weight:700;color:var(--ink-900);flex:1;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.burger{width:40px;height:40px;border-radius:12px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-900);transition:transform .24s var(--ease),opacity .24s var(--ease);}
.topbar-cta{width:40px;height:40px;border-radius:var(--r-999);background:var(--grad-accent);display:flex;align-items:center;justify-content:center;}
.topbar-cta svg{width:18px;height:18px;stroke:#fff;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}

.main{margin-left:var(--nav-w);min-height:100vh;transition:margin .26s var(--ease);}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--grad-brand);color:#fff;}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.55;
  background-image:linear-gradient(135deg,rgba(255,255,255,.07) 25%,transparent 25%,transparent 50%,rgba(255,255,255,.07) 50%,rgba(255,255,255,.07) 75%,transparent 75%);
  background-size:38px 38px;
}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding-top:92px;padding-bottom:92px;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:var(--r-999);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);font-size:12.5px;font-weight:600;color:#fff;
}
.hero-eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--brand-300);display:block;}
.hero h1{margin-top:20px;font-size:clamp(30px,4vw,46px);line-height:1.25;color:#fff;}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.85;color:rgba(255,255,255,.9);max-width:520px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:52px;padding:0 28px;
  border-radius:14px;font-size:15.5px;font-weight:600;cursor:pointer;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),filter .24s var(--ease);
}
.btn svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.btn-primary{background:var(--grad-accent);color:#fff;border-radius:var(--r-999);box-shadow:var(--sh-2);}
.btn-primary:hover{color:#fff;filter:brightness(1.05);transform:translateY(-1px);box-shadow:var(--sh-3);}
.btn-primary:active{transform:translateY(1px);box-shadow:var(--sh-1);}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border:1.5px solid rgba(255,255,255,.5);}
.btn-ghost:hover{background:rgba(255,255,255,.18);color:#fff;border-color:#fff;}
.btn-outline{background:var(--surface);color:var(--ink-900);border:1.5px solid var(--line);}
.btn-outline:hover{color:var(--brand-700);border-color:var(--brand-500);background:var(--brand-050);}
.btn-dark{background:var(--brand-900);color:#fff;}
.btn-dark:hover{color:#fff;background:#0d3a36;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-block{width:100%;}
.hero-badges{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:40px;max-width:560px;}
.hero-badge{
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);border-radius:var(--r-16);
  padding:12px 14px;
}
.hero-badge b{display:block;font-size:22px;font-weight:700;color:#fff;line-height:1.3;}
.hero-badge span{font-size:12px;color:rgba(255,255,255,.82);}
.hero-visual{position:relative;}
.hero-card{
  position:relative;border-radius:var(--r-28);overflow:hidden;box-shadow:var(--sh-3);
  aspect-ratio:4/3;background:var(--brand-900);
}
.hero-card img{width:100%;height:100%;object-fit:cover;}
.float-badge{
  position:absolute;left:-18px;bottom:26px;background:#fff;border-radius:var(--r-16);padding:12px 16px;
  box-shadow:var(--sh-3);display:flex;align-items:center;gap:10px;
}
.float-badge em{
  width:34px;height:34px;border-radius:10px;background:var(--brand-050);color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;font-style:normal;font-weight:700;font-size:15px;
}
.float-badge div{line-height:1.35;}
.float-badge b{display:block;font-size:14px;color:var(--ink-900);}
.float-badge span{font-size:12px;color:var(--ink-500);}

/* ---------- platform strip ---------- */
.strip{background:var(--surface);border-bottom:1px solid var(--line);}
.strip-inner{display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding:22px 0;}
.strip-title{font-size:13px;font-weight:600;color:var(--ink-500);letter-spacing:.04em;flex:0 0 auto;}
.strip-list{display:flex;flex-wrap:wrap;gap:10px;}
.strip-item{
  height:34px;padding:0 16px;display:inline-flex;align-items:center;border-radius:var(--r-999);
  background:var(--brand-050);color:var(--brand-700);font-size:13px;font-weight:600;
}

/* ---------- section basics ---------- */
.section{padding:var(--sec-y) 0;}
.section-alt{background:var(--surface);}
.section-head{max-width:680px;margin-bottom:52px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-999);
  background:var(--brand-050);color:var(--brand-700);font-size:12.5px;font-weight:600;margin-bottom:14px;
}
.section-title{position:relative;font-size:clamp(24px,2.6vw,32px);line-height:1.35;padding-left:16px;}
.section-title::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:4px;background:var(--brand-500);}
.section-title.no-bar{padding-left:0;}
.section-title.no-bar::before{display:none;}
.section-head p{margin-top:14px;font-size:16px;color:var(--ink-500);}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:52px;}
.head-row .section-head{margin-bottom:0;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--brand-700);white-space:nowrap;}
.text-link span{transition:transform .24s var(--ease);}
.text-link:hover span{transform:translateX(3px);}
.text-link:hover{text-decoration:underline;text-underline-offset:4px;}

/* ---------- feature rows ---------- */
.feature-row{display:grid;gap:48px;align-items:center;margin-bottom:72px;}
.feature-row:last-child{margin-bottom:0;}
.feature-row.layout-a{grid-template-columns:7fr 5fr;}
.feature-row.layout-b{grid-template-columns:5fr 7fr;}
.feature-row.layout-b .feature-media{order:2;}
.feature-num{font-size:56px;font-weight:700;line-height:1;color:var(--brand-300);letter-spacing:-0.03em;}
.feature-row h3{margin-top:12px;font-size:22px;line-height:1.45;}
.feature-row p{margin-top:14px;font-size:16px;color:var(--ink-500);max-width:480px;}
.feature-list{margin-top:20px;display:flex;flex-direction:column;gap:10px;}
.feature-list li{display:flex;gap:10px;font-size:15px;color:var(--ink-700);}
.feature-list li::before{
  content:"";flex:0 0 6px;width:6px;height:6px;margin-top:11px;border-radius:2px;background:var(--brand-500);
}
.feature-link{margin-top:22px;display:inline-flex;}
.feature-media{
  border-radius:var(--r-28);overflow:hidden;box-shadow:var(--sh-3);aspect-ratio:16/11;background:var(--brand-900);
}
.feature-media img{width:100%;height:100%;object-fit:cover;}

/* ---------- shots carousel ---------- */
.shots-wrap{position:relative;}
.shots-track{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.shots-track::-webkit-scrollbar{display:none;}
.shot{
  flex:0 0 calc((100% - 40px)/3);scroll-snap-align:start;margin:0;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-20);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.shot:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-300);}
.shot img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.shot figcaption{padding:12px 16px;font-size:13.5px;color:var(--ink-500);}
.shots-nav{display:flex;align-items:center;justify-content:center;gap:18px;margin-top:28px;}
.shot-arrow{
  width:44px;height:44px;border-radius:50%;background:var(--surface);border:1px solid var(--line);
  box-shadow:var(--sh-2);display:flex;align-items:center;justify-content:center;color:var(--brand-700);
  transition:background .24s var(--ease),color .24s var(--ease),transform .24s var(--ease);
}
.shot-arrow svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.shot-arrow:hover{background:var(--brand-050);transform:translateY(-2px);}
.shot-dots{display:flex;align-items:center;gap:8px;}
.shot-dot{width:8px;height:8px;border-radius:var(--r-999);background:var(--line);transition:all .26s var(--ease);}
.shot-dot.is-active{width:24px;background:var(--brand-500);}

/* ---------- spec + steps ---------- */
.spec-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-20);padding:32px;box-shadow:var(--sh-1);}
.panel h3{font-size:20px;}
.panel > p{margin-top:10px;color:var(--ink-500);font-size:15px;}
.spec-list{margin-top:22px;}
.spec-list li{display:flex;align-items:baseline;justify-content:space-between;gap:20px;padding:14px 0;border-bottom:1px solid var(--line);}
.spec-list li:last-child{border-bottom:0;}
.spec-k{font-size:14px;color:var(--ink-500);flex:0 0 auto;}
.spec-v{font-size:14.5px;font-weight:600;color:var(--ink-900);text-align:right;}
.steps{margin-top:22px;position:relative;}
.steps li{position:relative;padding:0 0 26px 52px;}
.steps li:last-child{padding-bottom:0;}
.steps li::before{
  content:"";position:absolute;left:19px;top:38px;bottom:2px;width:2px;background:var(--line);
}
.steps li:last-child::before{display:none;}
.step-num{
  position:absolute;left:0;top:0;width:40px;height:40px;border-radius:50%;background:var(--grad-brand);
  color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;
}
.steps h4{font-size:16px;}
.steps p{font-size:14.5px;color:var(--ink-500);margin-top:6px;}

/* ---------- wall ---------- */
.wall{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:start;}
.wall-col{display:flex;flex-direction:column;gap:20px;}
.wall-col:nth-child(2){transform:translateY(36px);}
.wall-col:nth-child(3){transform:translateY(16px);}
.review{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-20);padding:22px;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);}
.review:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-300);}
.review-top{display:flex;align-items:center;gap:12px;}
.avatar{
  width:40px;height:40px;border-radius:50%;background:var(--brand-050);color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;flex:0 0 40px;
}
.review-top b{display:block;font-size:14.5px;color:var(--ink-900);line-height:1.4;}
.review-top span{font-size:12px;color:var(--ink-500);}
.stars{margin-left:auto;color:var(--accent-500);font-size:13px;letter-spacing:1px;}
.review p{margin-top:14px;font-size:14.5px;color:var(--ink-700);}
.review-meta{margin-top:16px;padding-top:14px;border-top:1px solid var(--line);font-size:12.5px;color:var(--ink-500);display:flex;justify-content:space-between;gap:12px;}

/* ---------- cms cards ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-20);overflow:hidden;
  display:flex;flex-direction:column;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-300);}
.post-cover{display:block;background:var(--grad-brand);}
.post-cover img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.post-body{padding:20px 22px 18px;display:flex;flex-direction:column;flex:1;}
.chip{
  display:inline-flex;align-items:center;align-self:flex-start;height:26px;padding:0 12px;border-radius:var(--r-999);
  background:var(--brand-050);color:var(--brand-700);font-size:12.5px;font-weight:600;
  transition:background .24s var(--ease);
}
.chip:hover{background:rgba(127,216,184,.3);color:var(--brand-700);}
.post-body h3{margin-top:12px;font-size:17px;line-height:1.5;}
.post-body h3 a{color:var(--ink-900);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-body h3 a:hover{color:var(--brand-700);}
.post-body p{
  margin-top:10px;font-size:14px;color:var(--ink-500);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;flex:1;
}
.post-foot{
  margin-top:18px;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--ink-500);
}
.post-foot .go{color:var(--brand-700);font-size:16px;transition:transform .24s var(--ease);}
.post-card:hover .post-foot .go{transform:translateX(4px);}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-20);background:var(--surface);
  padding:64px 24px;text-align:center;
}
.empty-state .glyph{
  width:56px;height:56px;margin:0 auto 18px;border-radius:50%;background:var(--brand-050);
  display:flex;align-items:center;justify-content:center;color:var(--brand-700);font-size:22px;font-weight:700;
}
.empty-state p{color:var(--ink-500);font-size:15px;}
.empty-state .btn{margin-top:22px;}
.pager-slot{margin-top:40px;display:flex;justify-content:center;}

/* ---------- download block ---------- */
.dl-card{
  position:relative;overflow:hidden;background:var(--brand-900);border-radius:var(--r-28);padding:52px;
  box-shadow:var(--sh-3);
}
.dl-card::before{
  content:"";position:absolute;width:520px;height:520px;right:-160px;top:-200px;border-radius:50%;
  background:var(--grad-brand);opacity:.42;filter:blur(10px);
}
.dl-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.3fr auto .8fr;gap:48px;align-items:center;}
.dl-copy h2{color:#fff;font-size:clamp(22px,2.4vw,30px);line-height:1.35;}
.dl-copy p{margin-top:14px;color:rgba(255,255,255,.78);font-size:15px;max-width:440px;}
.dl-copy .btn{margin-top:26px;}
.dl-note{margin-top:14px;font-size:13px;color:rgba(255,255,255,.6);}
.qr-box{position:relative;width:180px;height:180px;background:#fff;border-radius:var(--r-16);padding:12px;box-shadow:var(--sh-3);}
.qr-box .qr-grid{
  width:100%;height:100%;border-radius:10px;
  background-image:linear-gradient(90deg,var(--brand-900) 50%,transparent 50%),linear-gradient(0deg,var(--brand-900) 50%,transparent 50%);
  background-size:13px 13px,13px 13px;opacity:.86;
}
.qr-box .qr-tag{
  position:absolute;left:50%;bottom:-13px;transform:translateX(-50%);background:var(--brand-500);color:#fff;
  font-size:11.5px;font-weight:600;padding:4px 12px;border-radius:var(--r-999);white-space:nowrap;
}
.dl-alts{display:flex;flex-direction:column;gap:12px;}
.dl-alt{
  display:flex;align-items:center;justify-content:space-between;gap:12px;height:48px;padding:0 18px;
  border-radius:14px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.24);
  color:#fff;font-size:14.5px;font-weight:600;transition:background .24s var(--ease),border-color .24s var(--ease);
}
.dl-alt:hover{background:rgba(255,255,255,.2);border-color:#fff;color:#fff;}

/* ---------- accordion ---------- */
.faq-wrap{max-width:800px;margin:0 auto;}
.accordion{display:flex;flex-direction:column;gap:12px;}
.accordion-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-16);overflow:hidden;transition:border-color .24s var(--ease),box-shadow .24s var(--ease);}
.accordion-item.is-open{border-color:var(--brand-300);box-shadow:var(--sh-1);}
.accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:18px;width:100%;min-height:56px;
  padding:14px 20px;text-align:left;font-size:16px;font-weight:600;color:var(--ink-900);
  transition:background .24s var(--ease);line-height:1.6;
}
.accordion-title:hover{background:var(--brand-050);}
.accordion-icon{
  position:relative;flex:0 0 22px;width:22px;height:22px;border-radius:50%;background:var(--brand-050);
  transition:transform .26s var(--ease),background .26s var(--ease);
}
.accordion-icon::before,.accordion-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand-700);border-radius:1px;transform:translate(-50%,-50%);
}
.accordion-icon::before{width:11px;height:2px;}
.accordion-icon::after{width:2px;height:11px;}
.accordion-item.is-open .accordion-icon{transform:rotate(45deg);background:rgba(255,107,53,.15);}
.accordion-item.is-open .accordion-icon::before,.accordion-item.is-open .accordion-icon::after{background:var(--accent-500);}
.accordion-content{max-height:0;overflow:hidden;transition:max-height .26s var(--ease);}
.accordion-content-inner{padding:2px 20px 20px;background:var(--brand-050);font-size:14.5px;color:var(--ink-700);line-height:1.1.85;}
.accordion-content-inner p{padding-top:12px;}

/* ---------- footer ---------- */
.site-footer{position:relative;background:var(--brand-900);color:rgba(255,255,255,.72);margin-top:0;}
.site-footer::before{content:"";display:block;height:2px;background:var(--grad-brand);}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding:72px 0 48px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-brand .brand-mark{box-shadow:none;}
.footer-brand b{color:#fff;font-size:16px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{color:rgba(255,255,255,.72);font-size:14px;}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:22px 0 30px;display:flex;align-items:center;
  justify-content:space-between;gap:18px;font-size:13px;color:rgba(255,255,255,.55);
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 18px;border-radius:var(--r-999);
  border:1px solid rgba(255,255,255,.28);color:#fff;font-size:13.5px;
  transition:background .24s var(--ease),border-color .24s var(--ease);
}
.to-top:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;}

/* ---------- responsive ---------- */
@media (max-width:1439px){
  :root{--sec-y:88px;}
}
@media (max-width:1199px){
  :root{--nav-w:84px;}
  .sidebar-inner{padding:20px 12px;align-items:center;}
  .brand-text,.side-link .txt,.side-cta .txt{display:none;}
  .brand{padding:0;}
  .side-link{justify-content:center;padding:0;width:48px;}
  .side-cta{width:48px;height:48px;border-radius:50%;padding:0;}
  .container{padding:0 28px;}
  .shot{flex:0 0 calc((100% - 40px)/2.5);}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .dl-inner{grid-template-columns:1fr auto;gap:36px;}
  .dl-alts{grid-column:1 / -1;flex-direction:row;flex-wrap:wrap;}
  .dl-alt{flex:1 1 200px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:991px){
  :root{--sec-y:72px;}
  .sidebar{
    transform:translateX(-100%);width:280px;transition:transform .26s var(--ease);box-shadow:var(--sh-3);
  }
  body.nav-open .sidebar{transform:translateX(0);}
  body.nav-open .overlay{opacity:1;visibility:visible;}
  .sidebar-inner{align-items:stretch;padding:22px 16px 20px;}
  .brand-text,.side-link .txt,.side-cta .txt{display:flex;}
  .side-link{padding:0 12px;width:auto;height:48px;font-size:16px;}
  .side-cta{width:auto;height:50px;border-radius:var(--r-999);padding:0;}
  .main{margin-left:0;padding-top:56px;}
  .topbar{display:flex;}
  .hero-inner{grid-template-columns:1fr;gap:40px;padding-top:56px;padding-bottom:64px;}
  .hero-visual{order:2;}
  .float-badge{left:12px;bottom:16px;}
  .feature-row.layout-a,.feature-row.layout-b{grid-template-columns:1fr;gap:28px;}
  .feature-row.layout-b .feature-media{order:0;}
  .spec-grid{grid-template-columns:1fr;gap:24px;}
  .wall{grid-template-columns:repeat(2,1fr);}
  .wall-col:nth-child(2),.wall-col:nth-child(3){transform:none;}
  .shots-nav .shot-arrow{display:none;}
  .dl-card{padding:36px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;padding:56px 0 36px;}
}
@media (max-width:767px){
  :root{--sec-y:56px;}
  body{font-size:15.5px;}
  .container{padding:0 20px;}
  .hero-badges{grid-template-columns:repeat(2,1fr);}
  .post-grid{grid-template-columns:1fr;}
  .wall{grid-template-columns:1fr;}
  .shot{flex:0 0 86%;}
  .head-row{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:36px;}
  .section-head{margin-bottom:36px;}
  .feature-num{font-size:44px;}
  .dl-inner{grid-template-columns:1fr;gap:28px;}
  .qr-box{margin:0 auto;}
  .dl-copy .btn{width:100%;}
  .footer-top{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:575px){
  .hero-actions .btn{width:100%;}
  .panel{padding:24px 20px;}
  .dl-card{padding:28px 20px;border-radius:var(--r-20);}
  .hero-card{border-radius:var(--r-20);}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category1 */
:root{
  --brand-900:#0A2E2B;--brand-700:#0B6E63;--brand-500:#17A398;--brand-300:#7FD8B8;--brand-050:#EAF7F3;
  --accent-600:#E9552B;--accent-500:#FF6B35;--accent-050:#FFF1EA;
  --ink-900:#10201E;--ink-700:#2B3A38;--ink-500:#64746F;
  --line:#E4EAE8;--bg:#F7F8F6;--surface:#FFFFFF;
  --grad-brand:linear-gradient(118deg,#0B6E63 0%,#17A398 52%,#5FC9A8 100%);
  --grad-accent:linear-gradient(118deg,#FF6B35 0%,#E9552B 100%);
  --sh-1:0 1px 2px rgba(16,32,30,.05);
  --sh-2:0 10px 28px -14px rgba(16,32,30,.22);
  --sh-3:0 24px 56px -24px rgba(16,32,30,.30);
  --r-s:8px;--r-m:12px;--r-l:16px;--r-xl:20px;--r-2xl:28px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --side:240px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink-700);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand-700);text-decoration:none;transition:color .24s var(--ease)}
a:hover{color:var(--accent-500)}
h1,h2,h3,h4{margin:1.6em 0 .6em;color:var(--ink-900);letter-spacing:-.01em;line-height:1.35;font-weight:700}
h1{font-size:clamp(30px,4vw,46px);line-height:1.25}
h2{font-size:clamp(24px,2.6vw,32px)}
h3{font-size:20px;font-weight:600;line-height:1.5}
p{margin:0 0 1.2em}
ul,ol{margin:0 0 1.2em;padding-left:1.2em}
:focus-visible{outline:3px solid rgba(255,107,53,.45);outline-offset:2px;border-radius:6px}
::selection{background:var(--brand-300);color:var(--ink-900)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ============ 左侧 App Shell ============ */
.side{
  position:fixed;top:0;left:0;bottom:0;width:var(--side);z-index:60;
  background:var(--surface);border-right:1px solid var(--line);
  display:flex;flex-direction:column;padding:24px 16px;overflow-y:auto;
}
.side-brand{display:flex;align-items:center;gap:12px;padding:6px 8px 20px;text-decoration:none;color:inherit}
.brand-mark{
  width:44px;height:44px;flex:0 0 auto;border-radius:14px;background:var(--grad-brand);
  color:#fff;display:grid;place-items:center;font-size:20px;font-weight:700;box-shadow:var(--sh-2);
}
.brand-mark.sm{width:34px;height:34px;border-radius:12px;font-size:16px}
.side-brand b{display:block;font-size:15px;font-weight:700;color:var(--ink-900);line-height:1.35;letter-spacing:-.01em}
.side-brand small{display:block;font-size:12px;color:var(--ink-500);line-height:1.5}
.side-nav{display:flex;flex-direction:column;gap:4px;flex:1 1 auto}
.side-link{
  position:relative;display:flex;align-items:center;gap:12px;height:44px;padding:0 12px;
  border-radius:var(--r-m);color:var(--ink-700);font-size:15px;transition:background .24s var(--ease),color .24s var(--ease);
}
.side-link svg{width:20px;height:20px;flex:0 0 auto;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.side-link:hover{background:var(--brand-050);color:var(--ink-900)}
.side-link.is-active{background:var(--brand-050);color:var(--ink-900);font-weight:600}
.side-link.is-active::before{content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:0 3px 3px 0;background:var(--brand-500)}
.side-cta{
  margin-top:20px;display:flex;align-items:center;justify-content:center;gap:8px;height:48px;
  border-radius:999px;background:var(--grad-accent);color:#fff;font-size:15px;font-weight:600;
  box-shadow:var(--sh-2);transition:transform .24s var(--ease),filter .24s var(--ease),box-shadow .24s var(--ease);
}
.side-cta:hover{color:#fff;filter:brightness(1.04);transform:translateY(-1px);box-shadow:var(--sh-3)}
.side-cta:active{transform:translateY(1px)}

/* ============ 移动顶栏与抽屉 ============ */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;z-index:70;
  background:var(--surface);border-bottom:1px solid var(--line);align-items:center;gap:12px;padding:0 14px;
}
.topbar.scrolled{box-shadow:var(--sh-1)}
.topbar-brand{display:flex;align-items:center;gap:10px;flex:1 1 auto;min-width:0;color:inherit}
.topbar-brand b{font-size:14px;font-weight:700;color:var(--ink-900);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hamburger{
  width:40px;height:40px;border:1px solid var(--line);border-radius:var(--r-m);background:var(--surface);
  display:grid;place-items:center;cursor:pointer;padding:0;
}
.hamburger span,.hamburger span::before,.hamburger span::after{
  content:"";display:block;width:18px;height:2px;background:var(--ink-900);border-radius:2px;transition:transform .24s var(--ease);
}
.hamburger span::before{transform:translateY(-6px)}
.hamburger span::after{transform:translateY(4px)}
.icon-dl{
  width:40px;height:40px;border-radius:999px;background:var(--grad-accent);color:#fff;
  display:grid;place-items:center;font-size:16px;
}
.icon-dl:hover{color:#fff;filter:brightness(1.05)}
.scrim{position:fixed;inset:0;background:rgba(10,46,43,.5);z-index:80;opacity:0;pointer-events:none;transition:opacity .26s var(--ease)}
.scrim.on{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:280px;z-index:90;background:var(--surface);
  padding:22px 16px;transform:translateX(-100%);transition:transform .3s var(--ease);
  display:flex;flex-direction:column;overflow-y:auto;
}
.drawer.on{transform:translateX(0)}
.drawer .side-link{height:48px;font-size:16px}
.drawer-close{
  align-self:flex-end;width:36px;height:36px;border-radius:var(--r-m);border:1px solid var(--line);
  background:var(--surface);color:var(--ink-700);cursor:pointer;font-size:16px;line-height:1;
}

/* ============ 主内容壳 ============ */
.shell{margin-left:var(--side);min-height:100vh;display:flex;flex-direction:column}
main{flex:1 1 auto}

/* ============ 面包屑 ============ */
.crumbs{padding:28px 0 0}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;margin:0;padding:0;font-size:13px;color:var(--ink-500)}
.crumbs li{display:flex;align-items:center;gap:8px}
.crumbs li+li::before{content:"›";color:var(--line);font-size:14px}
.crumbs a{color:var(--ink-500)}
.crumbs a:hover{color:var(--brand-700)}
.crumbs [aria-current]{color:var(--ink-900);font-weight:600}

/* ============ 页面头 ============ */
.page-head{padding:32px 0 72px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:999px;
  background:var(--brand-050);color:var(--brand-700);font-size:12px;font-weight:600;letter-spacing:.02em;
}
.page-head h1{margin:18px 0 14px;max-width:640px}
.page-head .lead{max-width:620px;font-size:17px;color:var(--ink-700)}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 26px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 26px;border-radius:14px;border:1.5px solid transparent;
  font-size:16px;font-weight:600;cursor:pointer;background:none;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),filter .24s var(--ease);
}
.btn-accent{background:var(--grad-accent);color:#fff;border-radius:999px;box-shadow:var(--sh-2)}
.btn-accent:hover{color:#fff;filter:brightness(1.04);transform:translateY(-1px);box-shadow:var(--sh-3)}
.btn-accent:active{transform:translateY(1px);box-shadow:var(--sh-1)}
.btn-ghost{background:var(--surface);border-color:var(--line);color:var(--ink-900)}
.btn-ghost:hover{background:var(--brand-050);border-color:var(--brand-300);color:var(--ink-900);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-ghost:active{transform:translateY(1px)}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--brand-700);font-weight:600;font-size:15px}
.btn-text i{transition:transform .24s var(--ease)}
.btn-text:hover i{transform:translateX(3px)}
.mini-facts{display:flex;flex-wrap:wrap;gap:10px;list-style:none;margin:0;padding:0}
.mini-facts li{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;
  background:var(--surface);border:1px solid var(--line);font-size:13px;color:var(--ink-700);box-shadow:var(--sh-1);
}
.mini-facts i{color:var(--brand-500);font-size:12px}
.head-figure{position:relative;margin:0;border-radius:var(--r-2xl);overflow:hidden;box-shadow:var(--sh-3);background:var(--grad-brand);aspect-ratio:16/11}
.head-figure img{width:100%;height:100%;object-fit:cover}
.head-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,46,43,0) 45%,rgba(10,46,43,.55) 100%)}
.float-badge{
  position:absolute;left:18px;bottom:18px;z-index:2;background:rgba(255,255,255,.94);
  border-radius:var(--r-l);padding:12px 16px;box-shadow:var(--sh-2);font-size:13px;color:var(--ink-500);
}
.float-badge b{display:block;font-size:22px;font-weight:700;color:var(--brand-700);font-variant-numeric:tabular-nums;line-height:1.2}

/* ============ 通用板块 ============ */
.section{padding:0 0 96px}
.section-head{max-width:720px;margin-bottom:36px}
.section-head h2{margin:0 0 12px;position:relative;padding-left:16px}
.section-head h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:3px;background:var(--brand-500)}
.section-head p{margin:0;color:var(--ink-500);font-size:16px}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--sh-1);padding:26px;height:100%;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-300)}
.card h3{margin:0 0 6px}
.card p{color:var(--ink-500);font-size:15px;margin-bottom:0}
.compare-card{border-radius:var(--r-2xl);padding:30px}
.compare-card.accent{border:1.5px solid var(--brand-300);box-shadow:var(--sh-2)}
.compare-head{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.compare-head .dot{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;color:#fff;font-size:16px;background:var(--grad-brand)}
.compare-card.neutral .compare-head .dot{background:var(--ink-500)}
.compare-head b{font-size:18px;color:var(--ink-900)}
.compare-card > p{font-size:14px;color:var(--ink-500);margin-bottom:18px}
.spec{list-style:none;margin:0;padding:0}
.spec li{display:flex;align-items:baseline;justify-content:space-between;gap:16px;padding:13px 0;border-bottom:1px solid var(--line);font-size:15px}
.spec li:last-child{border-bottom:0}
.spec .k{color:var(--ink-500);font-size:14px}
.spec .v{color:var(--ink-900);font-weight:600;text-align:right;font-variant-numeric:tabular-nums}
.callout-note{
  display:flex;gap:14px;align-items:flex-start;background:var(--brand-050);border-radius:var(--r-l);
  padding:18px 20px;margin-bottom:32px;font-size:15px;color:var(--ink-700);
}
.callout-note i{color:var(--brand-700);margin-top:4px}

/* ============ 时间线 ============ */
.timeline{list-style:none;margin:0;padding:0 0 0 4px;position:relative}
.timeline li{position:relative;padding:0 0 34px 68px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  position:absolute;left:0;top:0;width:44px;height:44px;border-radius:50%;
  background:var(--surface);border:1.5px solid var(--brand-300);color:var(--brand-700);
  display:grid;place-items:center;font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;z-index:1;
}
.timeline li::after{content:"";position:absolute;left:21px;top:48px;bottom:4px;width:1.5px;background:var(--line)}
.timeline li:last-child::after{display:none}
.timeline{counter-reset:step}
.timeline h3{margin:4px 0 8px}
.timeline p{margin:0;color:var(--ink-500);font-size:15px;max-width:680px}
.timeline .tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;padding:0;list-style:none}
.timeline .tags span{height:26px;display:inline-flex;align-items:center;padding:0 12px;border-radius:999px;background:var(--brand-050);color:var(--brand-700);font-size:12px;font-weight:600}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto}
.accordion{background:transparent;border:0;margin:0}
.accordion-item{border:1px solid var(--line);border-radius:var(--r-l);background:var(--surface);box-shadow:var(--sh-1);margin-bottom:12px;overflow:hidden;transition:border-color .24s var(--ease),box-shadow .24s var(--ease)}
.accordion-item:hover{border-color:var(--brand-300);box-shadow:var(--sh-2)}
.accordion-title{
  position:relative;display:flex;align-items:center;min-height:56px;padding:14px 58px 14px 20px;
  font-size:16px;font-weight:600;color:var(--ink-900);border:0;background:transparent;line-height:1.5;
}
.accordion-title::before{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);float:none;
  font-size:22px;font-weight:400;line-height:1;color:var(--brand-700);width:auto;height:auto;margin:0;
  transition:transform .26s var(--ease);
}
.accordion-item.is-active .accordion-title::before{transform:translateY(-50%) rotate(45deg);color:var(--accent-500)}
.accordion-item.is-active .accordion-title{background:var(--brand-050)}
.accordion-content{border:0!important;border-top:0;background:var(--brand-050);padding:0 20px 22px;color:var(--ink-700);font-size:15px}
.accordion-content p:last-child{margin-bottom:0}

/* ============ 下载 CTA 条 ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-2xl);background:var(--brand-900);
  padding:48px 40px;color:#fff;box-shadow:var(--sh-3);
}
.cta-band::before{
  content:"";position:absolute;width:460px;height:460px;right:-140px;top:-180px;border-radius:50%;
  background:var(--grad-brand);opacity:.28;filter:blur(6px);
}
.cta-band .inner{position:relative;display:flex;flex-wrap:wrap;align-items:center;gap:28px;justify-content:space-between}
.cta-band h2{margin:0 0 10px;color:#fff;font-size:clamp(22px,2.4vw,30px)}
.cta-band p{margin:0;color:rgba(255,255,255,.78);font-size:15px;max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.cta-band .btn-ghost{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.24);color:#fff}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.4);color:#fff}
.qr{
  width:132px;height:132px;border-radius:var(--r-l);background:#fff;display:grid;place-items:center;
  color:var(--brand-900);font-size:12px;text-align:center;line-height:1.5;position:relative;flex:0 0 auto;
}
.qr i{font-size:34px;color:var(--brand-700);display:block;margin-bottom:4px}
.qr::after{content:"扫码获取";position:absolute;bottom:-26px;left:0;right:0;text-align:center;color:rgba(255,255,255,.6);font-size:12px}
.cta-note{margin-top:18px;position:relative;font-size:13px;color:rgba(255,255,255,.6)}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);border-top:2px solid transparent;border-image:var(--grad-brand) 1;margin-top:8px}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:32px;padding:56px 0 36px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.footer-brand b{color:#fff;font-size:16px;font-weight:700;letter-spacing:-.01em}
.footer-col p{font-size:14px;color:rgba(255,255,255,.6);margin:0;max-width:320px}
.footer-col h4{margin:0 0 16px;color:#fff;font-size:15px;font-weight:600}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:rgba(255,255,255,.72);font-size:14px}
.footer-links a:hover{color:var(--brand-300)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 30px;font-size:13px;color:rgba(255,255,255,.55);
}
.to-top{display:inline-flex;align-items:center;gap:6px;color:rgba(255,255,255,.72);font-size:13px}
.to-top:hover{color:var(--brand-300)}

/* ============ 悬浮下载按钮 ============ */
.float-dl{display:none}

/* ============ 响应式 ============ */
@media (max-width:1439px){
  .section{padding-bottom:88px}
}
@media (max-width:1199px){
  :root{--side:84px}
  .side{padding:24px 12px;align-items:center}
  .side-brand{padding:6px 0 20px}
  .side-brand .brand-txt{display:none}
  .side-link{justify-content:center;padding:0;width:56px}
  .side-link .txt{display:none}
  .side-link.is-active::before{top:8px;bottom:8px}
  .side-cta{width:56px;height:56px;border-radius:999px;padding:0}
  .side-cta .cta-txt{display:none}
  .side-nav{align-items:center}
  .page-head{padding-bottom:64px}
}
@media (max-width:991px){
  .side{display:none}
  .topbar{display:flex}
  .shell{margin-left:0;padding-top:56px}
  .crumbs{padding-top:20px}
  .page-head{padding:20px 0 56px}
  .head-figure{margin-top:32px;aspect-ratio:16/10}
  .section{padding-bottom:72px}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
  .cta-band{padding:36px 26px}
  .qr{display:none}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding-bottom:64px}
  .footer-top{grid-template-columns:1fr;gap:26px}
  .btn{width:100%}
  .btn-row{gap:10px}
  .mini-facts{display:grid;grid-template-columns:1fr 1fr}
  .mini-facts li{justify-content:center}
  .timeline li{padding-left:60px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .float-dl{
    display:flex;position:fixed;left:16px;right:16px;bottom:16px;height:52px;z-index:65;
    align-items:center;justify-content:center;gap:8px;border-radius:999px;
    background:var(--grad-accent);color:#fff;font-size:16px;font-weight:600;box-shadow:var(--sh-3);
  }
  .float-dl:hover{color:#fff}
  .site-footer{padding-bottom:68px}
}
@media (max-width:575px){
  .page-head h1{font-size:28px}
  .compare-card{padding:22px}
  .card{padding:22px}
  .head-figure{border-radius:var(--r-xl)}
  .crumbs{font-size:12px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: article */
:root{
  --brand-900:#0A2E2B;--brand-700:#0B6E63;--brand-500:#17A398;--brand-300:#7FD8B8;--brand-050:#EAF7F3;
  --accent-600:#E9552B;--accent-500:#FF6B35;--accent-050:#FFF1EA;
  --ink-900:#10201E;--ink-700:#2B3A38;--ink-500:#64746F;
  --line:#E4EAE8;--bg:#F7F8F6;--surface:#FFFFFF;
  --grad-brand:linear-gradient(118deg,#0B6E63 0%,#17A398 52%,#5FC9A8 100%);
  --grad-accent:linear-gradient(118deg,#FF6B35 0%,#E9552B 100%);
  --sh-1:0 1px 2px rgba(16,32,30,.05);
  --sh-2:0 10px 28px -14px rgba(16,32,30,.22);
  --sh-3:0 24px 56px -24px rgba(16,32,30,.30);
  --r-sm:8px;--r-md:12px;--r-lg:16px;--r-xl:20px;--r-2xl:28px;
  --sidebar-w:240px;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.85;color:var(--ink-700);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-700);text-decoration:none;transition:color .24s var(--ease),border-color .24s var(--ease),background .24s var(--ease)}
a:hover{color:var(--accent-500)}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid rgba(255,107,53,.35);outline-offset:2px}
.no-scroll{overflow:hidden}
.skip-link{position:absolute;left:-9999px;top:0;background:#fff;padding:10px 16px;border-radius:0 0 12px 0;z-index:200}
.skip-link:focus{left:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ---------- 左侧应用栏 ---------- */
.sidebar{position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);background:#fff;border-right:1px solid var(--line);
  display:flex;flex-direction:column;gap:16px;padding:22px 16px;z-index:60;transition:transform .3s var(--ease)}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink-900)}
.brand:hover{color:var(--ink-900)}
.brand-mark{width:40px;height:40px;flex:0 0 auto;border-radius:14px;background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;font-size:18px;font-weight:700;letter-spacing:.02em}
.brand-txt{font-size:15px;font-weight:700;line-height:1.35;letter-spacing:-.01em}
.side-nav{display:flex;flex-direction:column;gap:6px;margin-top:4px}
.side-link{position:relative;display:flex;align-items:center;gap:12px;height:44px;padding:0 12px;border-radius:12px;
  color:var(--ink-700);font-size:15px;transition:background .24s var(--ease),color .24s var(--ease)}
.side-link svg{width:20px;height:20px;flex:0 0 auto;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.side-link:hover{background:var(--brand-050);color:var(--ink-900)}
.side-link.is-active{background:var(--brand-050);color:var(--ink-900);font-weight:600}
.side-link.is-active::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:22px;border-radius:999px;background:var(--brand-500)}
.side-cta{margin-top:auto;display:flex;align-items:center;justify-content:center;gap:8px;height:48px;border-radius:999px;
  background:var(--grad-accent);color:#fff;font-size:15px;font-weight:600;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),filter .24s var(--ease)}
.side-cta:hover{color:#fff;filter:brightness(1.04);transform:translateY(-1px);box-shadow:var(--sh-2)}
.side-cta:active{transform:translateY(0)}
.side-cta svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* ---------- 移动顶栏与抽屉 ---------- */
.topbar{display:none;position:fixed;top:0;left:0;right:0;height:56px;align-items:center;gap:12px;padding:0 16px;
  background:#fff;border-bottom:1px solid var(--line);z-index:70;transition:box-shadow .24s var(--ease)}
.topbar.is-scrolled{box-shadow:var(--sh-1)}
.burger{width:40px;height:40px;border:1px solid var(--line);background:#fff;border-radius:12px;display:grid;place-items:center;cursor:pointer}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-900);position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--ink-900)}
.burger span::before{top:-6px}
.burger span::after{top:6px}
.topbar-brand{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:700;color:var(--ink-900)}
.topbar-brand .brand-mark{width:30px;height:30px;border-radius:10px;font-size:14px}
.topbar-dl{margin-left:auto;width:40px;height:40px;border-radius:999px;background:var(--grad-accent);display:grid;place-items:center;color:#fff}
.topbar-dl:hover{color:#fff}
.topbar-dl svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.drawer-mask{position:fixed;inset:0;background:rgba(10,46,43,.5);opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s var(--ease);z-index:55}
.drawer-mask.is-show{opacity:1;visibility:visible}

/* ---------- 主内容 ---------- */
.main-area{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column}
main{flex:1 1 auto}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding-top:32px;font-size:13px;color:var(--ink-500)}
.crumbs a{color:var(--ink-500)}
.crumbs a:hover{color:var(--brand-700)}
.crumbs .sep{color:#B7C2BF}
.crumbs .current{color:var(--ink-900);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.article-head{padding-top:18px}
.article-head h1{margin:12px 0 18px;max-width:820px;font-size:clamp(26px,3.4vw,40px);line-height:1.3;font-weight:700;
  letter-spacing:-.01em;color:var(--ink-900)}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--ink-500)}
.meta-row .dot{width:3px;height:3px;border-radius:50%;background:#C3CDCA}
.chip{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:var(--brand-050);
  color:var(--brand-700);font-size:12.5px;font-weight:600;letter-spacing:.01em}
.chip:hover{background:rgba(127,216,184,.3);color:var(--brand-700)}

.post-cover{position:relative;margin:26px 0 0;aspect-ratio:16/9;border-radius:20px;overflow:hidden;
  background:var(--grad-brand);box-shadow:var(--sh-1)}
.post-cover img{width:100%;height:100%;object-fit:cover}
.post-cover .cover-fallback{position:absolute;inset:0;display:none;place-items:center;color:#fff;font-size:clamp(18px,2vw,24px);font-weight:700;letter-spacing:.02em}
.post-cover.is-fallback .cover-fallback{display:grid}
.post-cover img.is-hidden{display:none}

.article-layout{margin-top:36px}

/* 正文排版 */
.post-body{max-width:820px;font-size:17px;line-height:1.9;color:var(--ink-700)}
.post-body>*:first-child{margin-top:0}
.post-body p{margin:0 0 1.2em}
.post-body h2{position:relative;margin:1.6em 0 .6em;padding-left:14px;font-size:clamp(22px,2.4vw,28px);line-height:1.4;
  font-weight:700;letter-spacing:-.01em;color:var(--ink-900)}
.post-body h2::before{content:"";position:absolute;left:0;top:.3em;bottom:.3em;width:4px;border-radius:999px;background:var(--brand-500)}
.post-body h3{margin:1.6em 0 .6em;font-size:20px;line-height:1.5;font-weight:600;color:var(--ink-900)}
.post-body ul,.post-body ol{margin:0 0 1.2em;padding-left:1.35em}
.post-body li{margin:.4em 0;line-height:1.9}
.post-body ul li::marker{color:var(--brand-500)}
.post-body ol li::marker{color:var(--brand-700);font-weight:600}
.post-body blockquote{margin:1.6em 0;padding:16px 20px;border-left:3px solid var(--brand-500);border-radius:12px;
  background:var(--brand-050);color:var(--ink-900)}
.post-body blockquote p:last-child{margin-bottom:0}
.post-body img{border-radius:16px;margin:1.4em auto}
.post-body figure{margin:1.6em 0}
.post-body figcaption{margin-top:10px;text-align:center;font-size:13px;color:var(--ink-500)}
.post-body a{color:var(--brand-700);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.post-body a:hover{color:var(--accent-500)}
.post-body code{padding:2px 6px;border-radius:6px;background:var(--brand-050);color:var(--brand-700);font-size:15px}
.post-body pre{padding:16px 18px;border-radius:12px;background:var(--brand-900);color:#DCEBE6;overflow-x:auto;font-size:14px;line-height:1.7}
.post-body pre code{background:none;color:inherit;padding:0}
.post-body table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15px}
.post-body th,.post-body td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left}
.post-body th{background:var(--brand-050);color:var(--ink-900);font-weight:600}
.post-body hr{margin:2em 0;border:0;border-top:1px solid var(--line)}
.post-body strong{color:var(--ink-900)}

.empty-state{padding:56px 24px;text-align:center;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--sh-1)}
.empty-ico{width:52px;height:52px;margin:0 auto 16px;border-radius:16px;background:var(--brand-050);color:var(--brand-700);
  display:grid;place-items:center;font-size:24px;font-weight:700}
.empty-state h2{margin:0 0 10px;font-size:20px;font-weight:600;color:var(--ink-900)}
.empty-state p{margin:0 auto 20px;max-width:460px;font-size:15px;color:var(--ink-500)}

/* 标签与前后卡 */
.post-tags{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:2.4em 0 0;padding-top:22px;border-top:1px solid var(--line)}
.post-tags .tag{display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:999px;background:var(--brand-050);
  color:var(--brand-700);font-size:12.5px;font-weight:600}
.post-tags .tag:hover{background:rgba(127,216,184,.3);color:var(--brand-700)}
.post-next-prev{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:26px}
.np-card{display:block;padding:18px 20px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease)}
.np-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-300)}
.np-label{display:block;font-size:12.5px;font-weight:600;color:var(--brand-700);margin-bottom:6px}
.np-card strong{display:block;font-size:15.5px;line-height:1.6;color:var(--ink-900);font-weight:600}
.back-row{margin-top:22px}

/* 侧栏 */
.side-col{position:sticky;top:24px;display:flex;flex-direction:column;gap:18px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px;box-shadow:var(--sh-1)}
.side-card h2{margin:0 0 14px;font-size:14px;font-weight:700;color:var(--ink-900);letter-spacing:.02em}
.toc-nav{display:flex;flex-direction:column}
.toc-nav a{display:block;padding:7px 0 7px 12px;border-left:2px solid transparent;font-size:14px;line-height:1.6;
  color:var(--ink-700);transition:border-color .24s var(--ease),color .24s var(--ease),background .24s var(--ease)}
.toc-nav a:hover{color:var(--brand-700);background:var(--brand-050)}
.toc-nav a.is-active{border-left-color:var(--brand-500);color:var(--ink-900);font-weight:600}
.mini-card{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line)}
.mini-card:last-child{border-bottom:0;padding-bottom:0}
.mini-card:first-of-type{padding-top:0}
.mini-card img{width:64px;height:64px;flex:0 0 auto;border-radius:12px;object-fit:cover;background:var(--grad-brand)}
.mini-card b{display:block;font-size:14px;font-weight:600;line-height:1.55;color:var(--ink-900);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mini-card:hover b{color:var(--brand-700)}
.mini-card time{display:block;margin-top:4px;font-size:12px;color:var(--ink-500)}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:14px;
  font-size:15px;font-weight:600;cursor:pointer;border:1.5px solid transparent;transition:all .24s var(--ease)}
.btn.primary{background:var(--grad-accent);color:#fff;box-shadow:var(--sh-1)}
.btn.primary:hover{color:#fff;filter:brightness(1.04);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn.primary:active{transform:translateY(1px)}
.btn.ghost{background:#fff;border-color:var(--line);color:var(--ink-900)}
.btn.ghost:hover{border-color:var(--brand-500);background:var(--brand-050);color:var(--ink-900)}
.btn.full{width:100%}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-700)}
.text-link span{transition:transform .24s var(--ease)}
.text-link:hover span{transform:translateX(3px)}

/* 相关推荐 */
.related{margin:72px 0 0;padding-top:44px;border-top:1px solid var(--line)}
.related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px}
.related-head h2{margin:0;font-size:clamp(22px,2.4vw,28px);font-weight:700;letter-spacing:-.01em;color:var(--ink-900)}
.related-head p{margin:0;font-size:14px;color:var(--ink-500)}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease)}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-300)}
.card-cover{position:relative;aspect-ratio:16/10;background:var(--grad-brand);overflow:hidden}
.card-cover img{width:100%;height:100%;object-fit:cover}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.card-body h3{margin:0;font-size:17px;line-height:1.5;font-weight:600;color:var(--ink-900);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body p{margin:0;font-size:14px;line-height:1.7;color:var(--ink-500);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-500)}
.card-foot .arrow{color:var(--brand-700);font-weight:700;transition:transform .24s var(--ease)}
.card:hover .card-foot .arrow{transform:translateX(3px)}

/* 页脚 */
.site-footer{margin-top:88px;background:var(--brand-900);color:#C6D8D3;border-top:2px solid transparent;
  border-image:var(--grad-brand) 1;position:relative}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding:56px 0 40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;color:#fff}
.footer-brand .brand-mark{width:34px;height:34px;border-radius:12px;background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;font-weight:700;font-size:15px}
.footer-brand b{font-size:15.5px;letter-spacing:-.01em}
.footer-col p{margin:0;font-size:14px;line-height:1.8;color:#9DB5AF;max-width:320px}
.footer-col h4{margin:0 0 14px;font-size:14px;font-weight:600;color:#fff;letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:#9DB5AF}
.footer-links a:hover{color:var(--brand-300)}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding:20px 0 26px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:#87A29B}
.to-top{display:inline-flex;align-items:center;gap:6px;color:#C6D8D3;font-size:13px}
.to-top:hover{color:var(--brand-300)}

/* 悬浮下载 */
.float-download{display:none;position:fixed;left:16px;right:16px;bottom:calc(14px + env(safe-area-inset-bottom,0px));
  height:52px;border-radius:999px;background:var(--grad-accent);color:#fff;font-size:15px;font-weight:600;
  align-items:center;justify-content:center;gap:8px;box-shadow:var(--sh-2);z-index:50}
.float-download:hover{color:#fff}

/* Foundation 默认观感覆盖 */
.button{background:var(--grad-accent);border-radius:14px;color:#fff;font-weight:600;font-size:15px;padding:14px 24px;
  border:0;box-shadow:var(--sh-1);transition:all .24s var(--ease)}
.button:hover{background:var(--grad-accent);filter:brightness(1.04);color:#fff}
.button.secondary{background:#fff;color:var(--ink-900);border:1.5px solid var(--line);box-shadow:none}
.button.hollow{background:transparent;border:1.5px solid var(--brand-700);color:var(--brand-700)}
.button.disabled,.button[disabled]{background:#E6ECEA;color:#93A29E;box-shadow:none;cursor:not-allowed}
a,.breadcrumbs a,.menu a{color:var(--brand-700)}
.breadcrumbs{background:none;border:0;margin:0;padding:0}
.breadcrumbs li{font-size:13px;color:var(--ink-500);text-transform:none;float:none}
.breadcrumbs li::after{content:"›";color:#B7C2BF;margin:0 8px}
.breadcrumbs li:last-child::after{content:"";margin:0}
.breadcrumbs li a{color:var(--ink-500)}
.breadcrumbs li a:hover{color:var(--brand-700)}
.label,.badge{display:inline-flex;align-items:center;border-radius:999px;background:var(--brand-050);color:var(--brand-700);
  font-size:12.5px;font-weight:600;padding:4px 12px;border:0}
.badge.secondary{background:var(--accent-050);color:var(--accent-600)}
.callout{margin:0;padding:16px 20px;border-radius:12px;border:0;border-left:3px solid var(--brand-500);background:var(--brand-050);color:var(--ink-900)}
.pagination{margin:0}
.pagination li a,.pagination li span{display:inline-flex;align-items:center;justify-content:center;min-width:38px;height:38px;
  border-radius:10px;border:1px solid var(--line);color:var(--ink-700);font-size:14px}
.pagination li a:hover{border-color:var(--brand-500);background:var(--brand-050);color:var(--ink-900)}
.pagination li.current a,.pagination li.current span{background:var(--brand-700);border-color:var(--brand-700);color:#fff;font-weight:600}
.accordion{border:0;background:none}
.accordion-item{border:1px solid var(--line);border-radius:16px;background:#fff;margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1)}
.accordion-title{border:0;padding:0 20px;height:56px;display:flex;align-items:center;font-size:15.5px;font-weight:600;color:var(--ink-900);background:#fff}
.accordion-title:hover{background:var(--brand-050);color:var(--ink-900)}
.accordion-title::before{color:var(--brand-700);font-size:20px;font-weight:400;margin-right:10px;left:auto;right:20px;position:absolute}
.accordion-content{border:0;background:var(--brand-050);color:var(--ink-700);padding:16px 20px;font-size:15px;line-height:1.8}
input[type=text],input[type=email],input[type=tel],input[type=search],select,textarea{height:48px;border-radius:12px;
  border:1px solid var(--line);background:#fff;box-shadow:none;font-size:15px;color:var(--ink-900);padding:0 14px;transition:border-color .24s var(--ease),box-shadow .24s var(--ease)}
textarea{height:auto;padding:12px 14px;line-height:1.7}
input:focus,select:focus,textarea:focus{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(23,163,152,.18);outline:none}
select{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,#64746F 50%),linear-gradient(135deg,#64746F 50%,transparent 50%);
  background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.orbit{margin:0}
.orbit-bullets{text-align:center;margin-top:16px}
.orbit-bullets button{width:8px;height:8px;border-radius:999px;background:#CBD8D4;margin:0 4px;transition:all .24s var(--ease)}
.orbit-bullets button.is-active{width:24px;background:var(--brand-700)}
.orbit-next,.orbit-prev{width:42px;height:42px;border-radius:999px;background:#fff;box-shadow:var(--sh-2);color:var(--brand-700)}
.menu{background:none;margin:0}
.menu a{padding:10px 12px;border-radius:12px;font-size:15px}
.menu a:hover{background:var(--brand-050);color:var(--ink-900)}
.grid-x{display:flex;flex-flow:row wrap}

/* 响应式 */
@media (max-width:1439px){
  .container{padding:0 32px}
}
@media (max-width:1199px){
  :root{--sidebar-w:84px}
  .sidebar{padding:20px 12px;align-items:center}
  .brand-txt{display:none}
  .side-nav{width:100%}
  .side-link{justify-content:center;padding:0}
  .side-link .txt{display:none}
  .side-cta{width:52px;height:52px;border-radius:999px;margin:auto auto 0}
  .side-cta .txt{display:none}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:991px){
  .topbar{display:flex}
  .sidebar{width:280px;padding:22px 16px;align-items:stretch;transform:translateX(-100%);box-shadow:var(--sh-3)}
  .sidebar.is-open{transform:translateX(0)}
  .sidebar .brand-txt{display:block}
  .side-link{justify-content:flex-start;padding:0 12px;height:48px;font-size:16px}
  .side-link .txt{display:inline}
  .side-cta{width:100%;height:50px;margin:auto 0 0}
  .side-cta .txt{display:inline}
  .main-area{margin-left:0;padding-top:56px;padding-bottom:0}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px;padding:44px 0 32px}
  .related{margin-top:56px;padding-top:36px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .crumbs{padding-top:22px}
  .article-layout{margin-top:26px}
  .post-next-prev{grid-template-columns:1fr;gap:12px}
  .card-grid{grid-template-columns:1fr;gap:16px}
  .side-col{position:static}
  .related-head{flex-direction:column;align-items:flex-start;gap:6px}
  .site-footer{margin-top:64px}
  .footer-top{grid-template-columns:1fr;gap:24px;padding:36px 0 26px}
  .footer-col p{max-width:none}
  .post-body{font-size:16px}
}
@media (max-width:575px){
  .post-cover{aspect-ratio:16/10;border-radius:16px}
  .float-download{display:flex}
  .main-area{padding-bottom:76px}
  .btn{width:100%}
  .article-head h1{margin:10px 0 14px}
  .crumbs .current{max-width:200px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category2 */
:root{
  --brand-900:#0A2E2B;--brand-700:#0B6E63;--brand-500:#17A398;--brand-300:#7FD8B8;--brand-050:#EAF7F3;
  --accent-600:#E9552B;--accent-500:#FF6B35;--accent-050:#FFF1EA;
  --ink-900:#10201E;--ink-700:#2B3A38;--ink-500:#64746F;
  --line:#E4EAE8;--bg:#F7F8F6;--surface:#FFFFFF;
  --grad-brand:linear-gradient(118deg,#0B6E63 0%,#17A398 52%,#5FC9A8 100%);
  --grad-accent:linear-gradient(118deg,#FF6B35 0%,#E9552B 100%);
  --sh-1:0 1px 2px rgba(16,32,30,.05);
  --sh-2:0 10px 28px -14px rgba(16,32,30,.22);
  --sh-3:0 24px 56px -24px rgba(16,32,30,.30);
  --r-xs:8px;--r-sm:12px;--r-md:16px;--r-lg:20px;--r-xl:28px;--r-pill:999px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --side:240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink-700);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.85;font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--brand-700);text-decoration:none;transition:color .24s var(--ease)}
a:hover{color:var(--accent-500)}
h1,h2,h3,h4{margin:0;color:var(--ink-900);letter-spacing:-.01em;font-weight:700}
h1{font-size:clamp(30px,4vw,46px);line-height:1.25}
h2{font-size:clamp(24px,2.6vw,32px);line-height:1.35}
h3{font-size:20px;line-height:1.5;font-weight:600}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:3px solid rgba(23,163,152,.35);outline-offset:2px}
.num{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section.tight{padding:72px 0}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{position:relative;padding-left:16px;margin-bottom:12px}
.section-head h2::before{content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:999px;background:var(--brand-500)}
.section-head p{color:var(--ink-500);margin:0;max-width:640px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head.center h2{padding-left:0}
.section-head.center h2::before{display:none}

/* ---------- App shell ---------- */
.sidebar{
  position:fixed;left:0;top:0;bottom:0;width:var(--side);z-index:60;
  background:var(--surface);border-right:1px solid var(--line);
  display:flex;flex-direction:column;padding:20px 16px 18px;
  transition:width .26s var(--ease),transform .26s var(--ease);
}
.logo{display:flex;align-items:center;gap:10px;padding:4px 8px 18px;border-bottom:1px solid var(--line);margin-bottom:16px;color:var(--ink-900)}
.logo:hover{color:var(--ink-900)}
.brand-mark{
  width:38px;height:38px;flex:0 0 auto;border-radius:14px;background:var(--grad-brand);
  color:#fff;display:grid;place-items:center;font-size:17px;font-weight:700;line-height:1;
}
.logo-txt{font-size:14px;font-weight:700;line-height:1.35}
.side-nav{display:flex;flex-direction:column;gap:6px;flex:1 1 auto}
.side-link{
  position:relative;display:flex;align-items:center;gap:12px;height:44px;padding:0 12px;
  border-radius:var(--r-sm);color:var(--ink-700);font-size:15px;
  transition:background-color .24s var(--ease),color .24s var(--ease);
}
.side-link svg{width:20px;height:20px;flex:0 0 auto;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.side-link:hover{background:var(--brand-050);color:var(--ink-900)}
.side-link.is-active{background:var(--brand-050);color:var(--ink-900);font-weight:600}
.side-link.is-active::before{content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:var(--r-pill);background:var(--brand-500)}
.side-dl{
  margin-top:18px;display:flex;align-items:center;justify-content:center;gap:8px;
  height:46px;border-radius:var(--r-pill);background:var(--grad-accent);color:#fff;
  font-size:15px;font-weight:600;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),filter .24s var(--ease);
}
.side-dl:hover{color:#fff;filter:brightness(1.05);transform:translateY(-1px);box-shadow:var(--sh-2)}
.side-dl:active{transform:translateY(1px)}
.side-dl svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.app-main{margin-left:var(--side)}
.topbar{display:none}
.drawer-mask{
  position:fixed;inset:0;background:rgba(10,46,43,.5);z-index:65;
  opacity:0;visibility:hidden;transition:opacity .26s var(--ease),visibility .26s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible}

/* ---------- Buttons ---------- */
.button{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:52px;padding:0 28px;border:0;border-radius:14px;cursor:pointer;
  background:var(--grad-accent);color:#fff;font-size:16px;font-weight:600;letter-spacing:0;
  box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),filter .24s var(--ease),background-color .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.button:hover{color:#fff;filter:brightness(1.04);transform:translateY(-1px);box-shadow:var(--sh-2)}
.button:active{transform:translateY(1px)}
.button:focus-visible{outline:3px solid rgba(255,107,53,.35);outline-offset:3px}
.button.pill{border-radius:var(--r-pill)}
.button.large{height:56px;padding:0 34px}
.button.secondary{background:#fff;color:var(--ink-900);border:1.5px solid var(--line);box-shadow:var(--sh-1)}
.button.secondary:hover{background:var(--brand-050);border-color:var(--brand-700);color:var(--brand-700)}
.button.ghost{background:rgba(255,255,255,.12);color:#fff;border:1.5px solid rgba(255,255,255,.4);box-shadow:none}
.button.ghost:hover{background:rgba(255,255,255,.2);color:#fff;filter:none}
.button.brand{background:var(--grad-brand)}
.button svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.button[disabled],.button.disabled{opacity:.5;cursor:not-allowed;box-shadow:none;transform:none;filter:none}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand-700)}
.text-link span{transition:transform .24s var(--ease)}
.text-link:hover{color:var(--brand-700);text-decoration:underline;text-underline-offset:4px}
.text-link:hover span{transform:translateX(3px)}

/* ---------- Page hero ---------- */
.page-hero{
  position:relative;overflow:hidden;background:var(--grad-brand);color:#fff;
  padding:72px 0 64px;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:url(/assets/images/backpic/back-1.webp);
  background-size:cover;background-position:center;opacity:.1;
}
.page-hero .container{position:relative;z-index:1;text-align:center}
.crumb{display:flex;justify-content:center;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.8);margin-bottom:22px;flex-wrap:wrap}
.crumb a{color:rgba(255,255,255,.88)}
.crumb a:hover{color:#fff}
.crumb .sep{color:rgba(255,255,255,.5)}
.crumb .current{color:#fff;font-weight:600}
.page-hero h1{color:#fff;max-width:900px;margin:0 auto 14px}
.page-hero .lede{max-width:680px;margin:0 auto;color:rgba(255,255,255,.88);font-size:16.5px}
.hero-tags{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-tag{
  height:28px;display:inline-flex;align-items:center;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);
  color:#fff;font-size:12.5px;font-weight:600;
}
.filter-bar{
  max-width:820px;margin:32px auto 0;padding:12px;border-radius:var(--r-lg);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);
  display:flex;gap:10px;align-items:center;flex-wrap:wrap;
}
.filter-search{position:relative;flex:1 1 260px;min-width:220px}
.filter-search input{
  width:100%;height:48px;padding:0 16px 0 44px;border-radius:var(--r-sm);
  border:1px solid transparent;background:#fff;color:var(--ink-900);font-size:15px;
  transition:box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.filter-search input::placeholder{color:var(--ink-500)}
.filter-search input:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(23,163,152,.25)}
.filter-search svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:18px;height:18px;fill:none;stroke:var(--ink-500);stroke-width:1.8;stroke-linecap:round}
.filter-chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{
  height:44px;padding:0 18px;border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.4);
  background:rgba(255,255,255,.1);color:#fff;font-size:14px;font-weight:600;cursor:pointer;
  transition:background-color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease);
}
.chip:hover{background:rgba(255,255,255,.22)}
.chip:active{transform:translateY(1px)}
.chip.is-on{background:#fff;color:var(--brand-700);border-color:#fff}

/* ---------- Feature rows ---------- */
.feature-row{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;margin-bottom:72px}
.feature-row:last-child{margin-bottom:0}
.feature-row.reverse{grid-template-columns:5fr 7fr}
.feature-media{
  border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-3);background:var(--grad-brand);
  aspect-ratio:16/10;
}
.feature-media img{width:100%;height:100%;object-fit:cover}
.feature-index{
  font-size:44px;font-weight:700;line-height:1;color:var(--brand-300);
  font-variant-numeric:tabular-nums;margin-bottom:14px;letter-spacing:-.02em;
}
.feature-body h2{font-size:clamp(22px,2.2vw,28px);margin-bottom:14px}
.feature-body p{color:var(--ink-700)}
.feature-list{margin:20px 0 22px;display:grid;gap:10px}
.feature-list li{display:flex;gap:10px;font-size:15px;color:var(--ink-700)}
.feature-list li::before{
  content:"";flex:0 0 auto;width:8px;height:8px;margin-top:9px;border-radius:2px;background:var(--brand-500);
}

/* ---------- Orbit shots ---------- */
.shots{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.orbit{margin:0}
.orbit .orbit-wrapper{position:relative}
.orbit .orbit-container{background:transparent;margin:0}
.orbit .orbit-slide{padding:0 6px}
.shot-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2)}
.shot-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.shot-cap{padding:14px 20px 18px;font-size:14px;line-height:1.7;color:var(--ink-500)}
.shot-cap b{display:block;color:var(--ink-900);font-size:15px;font-weight:600;margin-bottom:4px}
.orbit-previous,.orbit-next{
  width:42px;height:42px;top:50%;transform:translateY(-50%);
  background:#fff;border-radius:50%;box-shadow:var(--sh-2);color:var(--ink-900);
  display:grid;place-items:center;font-size:22px;line-height:1;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),color .24s var(--ease);
}
.orbit-previous:hover,.orbit-next:hover{color:var(--brand-700);box-shadow:var(--sh-3)}
.orbit-previous{left:8px}
.orbit-next{right:8px}
.orbit-bullets{display:flex;justify-content:center;gap:8px;margin-top:26px}
.orbit-bullets button{
  width:8px;height:8px;min-width:0;padding:0;margin:0;border:0;border-radius:var(--r-pill);
  background:#CBD8D4;transition:width .24s var(--ease),background-color .24s var(--ease);cursor:pointer;
}
.orbit-bullets button:hover{background:var(--brand-300)}
.orbit-bullets button.is-active{width:24px;background:var(--brand-500)}

/* ---------- Check list ---------- */
.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.check-item{
  display:flex;align-items:center;gap:14px;min-height:56px;padding:10px 20px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.check-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-300)}
.check-icon{
  width:26px;height:26px;flex:0 0 auto;border-radius:50%;background:var(--brand-050);
  display:grid;place-items:center;
}
.check-icon svg{width:14px;height:14px;fill:none;stroke:var(--brand-700);stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.check-item span{font-size:15px;color:var(--ink-700)}

/* ---------- Reviews ---------- */
.review-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.review-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 26px 24px;
  box-shadow:var(--sh-1);transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.review-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-300)}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.avatar{
  width:44px;height:44px;flex:0 0 auto;border-radius:50%;background:var(--grad-brand);
  color:#fff;display:grid;place-items:center;font-size:15px;font-weight:700;
}
.review-name{font-weight:600;color:var(--ink-900);font-size:15px;line-height:1.4}
.review-meta{font-size:12.5px;color:var(--ink-500);line-height:1.6}
.stars{display:flex;gap:3px;margin:2px 0 12px}
.stars svg{width:13px;height:13px;fill:var(--accent-500);stroke:none}
.review-card p{font-size:15px;color:var(--ink-700);margin:0}

/* ---------- Accordion ---------- */
.accordion{background:transparent;border:0;margin:0;list-style:none;max-width:820px;margin:0 auto}
.accordion .accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1);
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.accordion .accordion-item:hover{border-color:var(--brand-300)}
.accordion .accordion-item.is-active{box-shadow:var(--sh-2)}
.accordion .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:12px 20px;border:0;background:#fff;
  font-size:16px;font-weight:600;color:var(--ink-900);
  transition:background-color .24s var(--ease),color .24s var(--ease);
}
.accordion .accordion-title:hover{background:var(--brand-050);color:var(--ink-900)}
.accordion .accordion-title::after{
  content:"";flex:0 0 auto;width:11px;height:11px;margin-top:-5px;
  border-right:2px solid var(--brand-700);border-bottom:2px solid var(--brand-700);
  transform:rotate(45deg);transition:transform .26s var(--ease);
}
.accordion .accordion-title[aria-expanded="true"]{background:var(--brand-050)}
.accordion .accordion-title[aria-expanded="true"]::after{transform:rotate(-135deg);margin-top:5px}
.accordion .accordion-content{
  padding:2px 20px 20px;border:0;background:var(--brand-050);color:var(--ink-700);font-size:15px;
}
.accordion .accordion-content p{margin:0}

/* ---------- CTA ---------- */
.cta-bar{position:relative;overflow:hidden;border-radius:var(--r-xl);background:var(--grad-accent);color:#fff;padding:52px 48px;box-shadow:var(--sh-3)}
.cta-bar::after{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:rgba(255,255,255,.12);
}
.cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{color:#fff;margin-bottom:10px}
.cta-inner p{color:rgba(255,255,255,.92);max-width:560px;margin:0;font-size:15.5px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.cta-actions .button.secondary{background:#fff;border-color:#fff;color:var(--accent-600)}
.cta-actions .button.secondary:hover{background:#fff;color:var(--accent-600);border-color:#fff}

/* ---------- Footer ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);border-top:2px solid transparent;background-image:linear-gradient(var(--brand-900),var(--brand-900)),var(--grad-brand);background-origin:border-box;background-clip:padding-box,border-box;margin-top:0}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding:72px 0 44px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand b{color:#fff;font-size:15px;font-weight:700;line-height:1.4}
.footer-col h4{color:#fff;font-size:14px;font-weight:600;margin-bottom:16px;letter-spacing:.02em}
.footer-col p{font-size:14px;line-height:1.9;margin:0;max-width:320px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-links a:hover{color:var(--brand-300)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.14);padding:22px 0 30px;font-size:13px;color:rgba(255,255,255,.6);
}
.to-top{display:inline-flex;align-items:center;gap:6px;color:rgba(255,255,255,.78);font-size:13px}
.to-top:hover{color:#fff}
.to-top span{transition:transform .24s var(--ease)}
.to-top:hover span{transform:translateY(-3px)}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  :root{--side:84px}
  .sidebar{padding:20px 12px 18px;align-items:center}
  .logo{padding:4px 0 18px;justify-content:center}
  .logo-txt{display:none}
  .side-nav{width:100%}
  .side-link{justify-content:center;padding:0;height:46px}
  .side-link .txt{display:none}
  .side-link.is-active::before{top:9px;bottom:9px}
  .side-dl{width:46px;height:46px;padding:0;border-radius:var(--r-pill)}
  .side-dl .txt{display:none}
  .section{padding:88px 0}
}
@media (max-width:991px){
  :root{--side:0px}
  .topbar{
    display:flex;align-items:center;gap:12px;position:fixed;top:0;left:0;right:0;height:56px;
    padding:0 16px;background:#fff;border-bottom:1px solid var(--line);z-index:70;
    transition:box-shadow .24s var(--ease);
  }
  .topbar.is-stuck{box-shadow:var(--sh-1)}
  .hamburger{
    width:40px;height:40px;flex:0 0 auto;border:1px solid var(--line);border-radius:var(--r-sm);
    background:#fff;display:grid;place-items:center;cursor:pointer;padding:0;
  }
  .hamburger span{display:block;width:16px;height:2px;background:var(--ink-900);border-radius:2px;position:relative}
  .hamburger span::before,.hamburger span::after{content:"";position:absolute;left:0;width:16px;height:2px;background:var(--ink-900);border-radius:2px}
  .hamburger span::before{top:-5px}
  .hamburger span::after{top:5px}
  .topbar .logo-txt{display:block;font-size:14px;font-weight:700;color:var(--ink-900);line-height:1.3;flex:1 1 auto;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
  .topbar-dl{
    width:40px;height:40px;flex:0 0 auto;border-radius:var(--r-sm);background:var(--grad-accent);
    display:grid;place-items:center;color:#fff;
  }
  .topbar-dl svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
  .sidebar{
    width:280px;padding:20px 16px 18px;transform:translateX(-100%);align-items:stretch;
    box-shadow:var(--sh-3);
  }
  .sidebar.is-open{transform:translateX(0)}
  .sidebar .logo{padding:4px 8px 18px;justify-content:flex-start}
  .sidebar .logo-txt{display:block;font-size:15px}
  .sidebar .side-link{justify-content:flex-start;padding:0 12px;height:48px;font-size:16px}
  .sidebar .side-link .txt{display:inline}
  .sidebar .side-dl{width:100%;height:48px;border-radius:var(--r-pill)}
  .sidebar .side-dl .txt{display:inline}
  .app-main{margin-left:0;padding-top:56px}
  .container{padding:0 20px}
  .section{padding:72px 0}
  .page-hero{padding:56px 0 48px}
  .feature-row,.feature-row.reverse{grid-template-columns:1fr;gap:26px;margin-bottom:56px}
  .feature-media{order:-1}
  .check-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px;padding:56px 0 32px}
  .cta-bar{padding:40px 28px}
  .cta-inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  .page-hero{padding:48px 0 40px}
  .hero-tags{gap:8px}
  .filter-bar{padding:10px;border-radius:var(--r-md)}
  .filter-search{flex:1 1 100%}
  .chip{flex:1 1 auto;min-height:44px}
  .orbit-previous,.orbit-next{display:none}
  .footer-top{grid-template-columns:1fr;gap:24px;padding:48px 0 28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .cta-actions{width:100%}
  .cta-actions .button{flex:1 1 auto}
}
@media (max-width:575px){
  .container{padding:0 20px}
  .button{width:100%}
  .cta-actions{flex-direction:column}
  .check-item{padding:12px 16px;align-items:flex-start}
  .check-icon{margin-top:3px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}

/* roulang page: category3 */
/* ============ 设计令牌 ============ */
:root{
  --brand-900:#0A2E2B;
  --brand-700:#0B6E63;
  --brand-500:#17A398;
  --brand-300:#7FD8B8;
  --brand-050:#EAF7F3;
  --accent-600:#E9552B;
  --accent-500:#FF6B35;
  --accent-050:#FFF1EA;
  --ink-900:#10201E;
  --ink-700:#2B3A38;
  --ink-500:#64746F;
  --line:#E4EAE8;
  --bg:#F7F8F6;
  --surface:#FFFFFF;
  --grad-brand:linear-gradient(118deg,#0B6E63 0%,#17A398 52%,#5FC9A8 100%);
  --grad-accent:linear-gradient(118deg,#FF6B35 0%,#E9552B 100%);
  --sh-1:0 1px 2px rgba(16,32,30,.05);
  --sh-2:0 10px 28px -14px rgba(16,32,30,.22);
  --sh-3:0 24px 56px -24px rgba(16,32,30,.30);
  --r-s:8px;--r-m:12px;--r-l:16px;--r-xl:20px;--r-2xl:28px;--r-pill:999px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --sidebar-w:240px;
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.85;color:var(--ink-700);background:var(--bg);
  padding-left:var(--sidebar-w);text-align:left;
}
img{max-width:100%;display:block;}
a{color:var(--brand-700);text-decoration:none;transition:color .24s var(--ease);}
a:hover{color:var(--accent-500);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:3px solid rgba(23,163,152,.35);outline-offset:2px;border-radius:6px;}
h1,h2,h3,h4{margin:0;color:var(--ink-900);letter-spacing:-.01em;font-weight:700;}
p{margin:0 0 1.2em;}
ul{margin:0;padding:0;list-style:none;}
::selection{background:var(--brand-300);color:var(--brand-900);}

.container{max-width:1200px;margin:0 auto;padding:0 32px;width:100%;}
.app-main{min-height:100vh;display:flex;flex-direction:column;}
.app-main > .container{flex:0 0 auto;}

/* ============ 左侧导航 ============ */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);z-index:70;
  background:var(--surface);border-right:1px solid var(--line);
  display:flex;flex-direction:column;padding:22px 16px 20px;
}
.brand{display:flex;align-items:center;gap:12px;padding:2px 6px 18px;border-bottom:1px solid var(--line);margin-bottom:16px;}
.brand-mark{
  width:40px;height:40px;border-radius:14px;background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;font-weight:700;font-size:18px;box-shadow:var(--sh-2);flex:none;
}
.brand-text b{display:block;font-size:14px;font-weight:700;color:var(--ink-900);line-height:1.35;letter-spacing:-.01em;}
.brand-text span{display:block;font-size:12px;color:var(--ink-500);line-height:1.5;}
.side-nav{display:flex;flex-direction:column;gap:6px;flex:1 1 auto;overflow-y:auto;}
.side-link{
  position:relative;display:flex;align-items:center;gap:12px;height:44px;padding:0 12px;
  border-radius:var(--r-m);color:var(--ink-700);font-size:15px;text-decoration:none;
  transition:background .24s var(--ease),color .24s var(--ease);
}
.side-link svg{width:20px;height:20px;flex:none;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.side-link:hover{background:var(--brand-050);color:var(--ink-900);}
.side-link.is-active{background:var(--brand-050);color:var(--ink-900);font-weight:600;}
.side-link.is-active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:0 3px 3px 0;background:var(--brand-500);
}
.side-cta{
  margin-top:14px;height:48px;border-radius:var(--r-pill);background:var(--grad-accent);color:#fff;
  display:flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;
  box-shadow:var(--sh-2);transition:transform .24s var(--ease),filter .24s var(--ease),box-shadow .24s var(--ease);
}
.side-cta svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;}
.side-cta:hover{color:#fff;filter:brightness(1.06);transform:translateY(-1px);box-shadow:var(--sh-3);}
.side-cta:active{transform:translateY(1px);}

/* ============ 移动端顶栏与抽屉 ============ */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;z-index:80;
  background:var(--surface);border-bottom:1px solid var(--line);
  align-items:center;justify-content:space-between;padding:0 16px;transition:box-shadow .24s var(--ease);
}
.topbar.is-scrolled{box-shadow:var(--sh-1);}
.burger{width:40px;height:40px;border:0;background:transparent;display:grid;gap:4px;place-content:center;cursor:pointer;border-radius:10px;}
.burger span{display:block;width:20px;height:2px;background:var(--ink-900);border-radius:2px;transition:transform .24s var(--ease);}
.burger:hover{background:var(--brand-050);}
.topbar-brand{display:flex;align-items:center;gap:8px;color:var(--ink-900);text-decoration:none;}
.topbar-brand .brand-mark{width:28px;height:28px;border-radius:9px;font-size:14px;box-shadow:none;}
.topbar-brand b{font-size:15px;font-weight:700;}
.topbar-cta{
  width:40px;height:40px;border-radius:var(--r-pill);background:var(--grad-accent);color:#fff;
  display:grid;place-items:center;box-shadow:var(--sh-1);
}
.topbar-cta svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;}
.topbar-cta:hover{color:#fff;filter:brightness(1.06);}
.overlay{
  position:fixed;inset:0;background:rgba(10,46,43,.5);z-index:90;
  opacity:0;visibility:hidden;transition:opacity .28s var(--ease),visibility .28s var(--ease);
}
.overlay.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:280px;max-width:84vw;background:var(--surface);z-index:100;
  padding:22px 16px;display:flex;flex-direction:column;overflow-y:auto;
  transform:translateX(-102%);transition:transform .28s var(--ease);box-shadow:var(--sh-3);
}
.drawer.is-open{transform:translateX(0);}
.drawer .side-link{height:48px;font-size:16px;}
body.nav-locked{overflow:hidden;}

/* ============ 页头 ============ */
.page-head{
  background:linear-gradient(180deg,#FFFFFF 0%,#F2F8F6 100%);
  border-bottom:1px solid var(--line);padding:56px 0 52px;
}
.breadcrumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin:0 0 20px;padding:0;
  background:transparent;border:0;font-size:13px;line-height:1.6;
}
.breadcrumbs li{float:none;color:var(--ink-500);font-size:13px;}
.breadcrumbs li:not(:first-child)::before{
  content:"›";float:none;position:static;transform:none;color:var(--ink-500);
  margin:0 8px 0 0;opacity:.75;height:auto;
}
.breadcrumbs li:first-child::before{content:"";margin:0;}
.breadcrumbs a{color:var(--brand-700);}
.breadcrumbs a:hover{color:var(--accent-500);}
.breadcrumbs li:last-child{color:var(--ink-900);font-weight:600;}

.head-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:start;}
.head-copy h1{font-size:clamp(28px,3.6vw,44px);line-height:1.25;margin-bottom:18px;}
.head-copy .lead{font-size:17px;color:var(--ink-700);max-width:600px;margin-bottom:26px;}
.head-actions{display:flex;flex-wrap:wrap;gap:14px;}

.quick-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-2xl);padding:22px;box-shadow:var(--sh-2);}
.quick-title{font-size:14px;font-weight:600;color:var(--ink-900);margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.quick-title i{width:6px;height:6px;border-radius:50%;background:var(--brand-500);display:inline-block;}
.quick-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.quick-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-l);
  padding:14px;color:var(--ink-700);text-decoration:none;height:100%;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.quick-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-300);color:var(--ink-700);}
.quick-ico{
  width:34px;height:34px;border-radius:11px;background:var(--brand-050);color:var(--brand-700);
  display:grid;place-items:center;margin-bottom:10px;
}
.quick-ico svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.quick-card b{display:block;font-size:14px;color:var(--ink-900);margin-bottom:4px;font-weight:600;}
.quick-card span{display:block;font-size:12.5px;color:var(--ink-500);line-height:1.65;}

/* ============ 通用按钮 ============ */
.button{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 28px;margin:0;border:0;border-radius:14px;
  background:var(--grad-accent);color:#fff;font-size:15px;font-weight:600;line-height:1;
  box-shadow:var(--sh-1);cursor:pointer;text-decoration:none;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),filter .24s var(--ease),background .24s var(--ease);
}
.button:hover,.button:focus{background:linear-gradient(118deg,#FF7A45 0%,#EE5A2F 100%);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.button:active{transform:translateY(1px);box-shadow:var(--sh-1);}
.button:disabled,.button.disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}
.button.pill{border-radius:var(--r-pill);}
.button.hollow{background:#fff;color:var(--ink-900);border:1.5px solid var(--line);box-shadow:none;}
.button.hollow:hover,.button.hollow:focus{background:var(--brand-050);border-color:var(--brand-500);color:var(--ink-900);}
.button.brand{background:var(--grad-brand);}
.button.brand:hover,.button.brand:focus{background:linear-gradient(118deg,#0C7C6F 0%,#1BB3A6 52%,#6FD3B2 100%);}
.button svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand-700);}
.text-link span{transition:transform .24s var(--ease);}
.text-link:hover{color:var(--accent-500);text-decoration:underline;text-underline-offset:3px;}
.text-link:hover span{transform:translateX(3px);}

/* ============ 板块 ============ */
.sec{padding:64px 0;}
.sec-head{margin-bottom:28px;max-width:760px;}
.sec-head h2{position:relative;padding-left:16px;font-size:clamp(22px,2.4vw,30px);line-height:1.35;margin-bottom:10px;}
.sec-head h2::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:2px;background:var(--brand-500);}
.sec-head p{font-size:15px;color:var(--ink-500);margin:0;}

.faq-group{margin-bottom:40px;}
.faq-group:last-child{margin-bottom:0;}
.faq-group-head{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.faq-group-head h3{font-size:19px;font-weight:600;color:var(--ink-900);}
.faq-group-head .label{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--brand-050);color:var(--brand-700);font-size:12px;font-weight:600;letter-spacing:.02em;
}

/* 手风琴覆盖 */
.accordion{background:transparent;border:0;margin:0;}
.accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-l);
  margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1);
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease);
}
.accordion-item:hover{border-color:var(--brand-300);box-shadow:var(--sh-2);}
.accordion-item.is-active{background:var(--brand-050);border-color:var(--brand-300);}
.accordion-title{
  position:relative;display:block;height:56px;line-height:56px;padding:0 56px 0 20px;
  border:0;background:transparent;color:var(--ink-900);font-size:16px;font-weight:600;
  text-decoration:none;transition:color .24s var(--ease);
}
.accordion-title:hover{color:var(--brand-700);text-decoration:none;}
.accordion-title::before{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  width:24px;height:24px;line-height:22px;text-align:center;border-radius:50%;
  background:#fff;border:1px solid var(--line);color:var(--brand-700);
  font-size:15px;font-weight:600;transition:transform .26s var(--ease),color .26s var(--ease),border-color .26s var(--ease);
}
.accordion-item.is-active .accordion-title::before{content:"×";transform:translateY(-50%) rotate(45deg);border-color:var(--brand-300);color:var(--accent-600);}
.accordion-content{
  display:none;padding:0 20px 22px;border:0;background:transparent;
  color:var(--ink-700);font-size:15px;line-height:1.85;
}
.accordion-item.is-active .accordion-content{display:block;}
.accordion-content p{margin:0 0 .8em;}
.accordion-content p:last-child{margin-bottom:0;}
.accordion-content ul{margin:.4em 0 .8em;}
.accordion-content li{position:relative;padding-left:16px;margin-bottom:.4em;}
.accordion-content li::before{
  content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:2px;background:var(--brand-500);
}

/* ============ 反馈表单 ============ */
.form-wrap{display:grid;grid-template-columns:1.5fr 1fr;gap:28px;align-items:start;}
.form-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-2xl);
  padding:34px;box-shadow:var(--sh-2);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:22px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.span-2{grid-column:1 / -1;}
.field label{font-size:13px;font-weight:600;color:var(--ink-900);letter-spacing:.01em;}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-m);
  background:#fff;color:var(--ink-900);font-size:15px;line-height:1.6;
  outline:none;-webkit-appearance:none;appearance:none;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.field textarea{height:auto;min-height:132px;padding:12px 14px;line-height:1.75;resize:vertical;}
.field select{
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2364746F' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;background-size:18px;padding-right:42px;
}
.field input::placeholder,.field textarea::placeholder{color:#9BA9A5;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(23,163,152,.18);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{
  border-color:var(--accent-600);box-shadow:0 0 0 3px rgba(233,85,43,.12);
}
.err-msg{display:none;font-size:13px;color:var(--accent-600);line-height:1.6;}
.field.has-error .err-msg{display:block;}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:26px;}
.form-foot small{font-size:13px;color:var(--ink-500);}
.form-success{
  display:none;margin-top:18px;padding:14px 16px;border-radius:var(--r-m);
  background:var(--brand-050);border:1px solid #CFE9E1;color:var(--brand-700);font-size:14px;
}
.form-success.is-show{display:block;}

.side-note{display:flex;flex-direction:column;gap:16px;}
.note-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:20px;box-shadow:var(--sh-1);
}
.note-card h4{font-size:15px;margin-bottom:8px;}
.note-card p{font-size:14px;color:var(--ink-500);margin:0;}
.callout{
  background:var(--brand-050);border:1px solid #CFE9E1;border-radius:var(--r-l);
  padding:16px 18px;color:var(--ink-700);font-size:14px;line-height:1.8;margin:0;
}
.callout.accent{background:var(--accent-050);border-color:#FFD9C9;color:#8A3418;}

/* ============ 相关文章 ============ */
.post-grid{margin-bottom:26px;}
.post-card{
  display:flex;flex-direction:column;height:100%;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-300);}
.post-thumb{position:relative;aspect-ratio:16/10;background:var(--grad-brand);overflow:hidden;}
.post-thumb img{width:100%;height:100%;object-fit:cover;}
.post-body{padding:18px 18px 20px;display:flex;flex-direction:column;flex:1 1 auto;}
.post-tag{
  align-self:flex-start;display:inline-flex;align-items:center;height:24px;padding:0 12px;
  border-radius:var(--r-pill);background:var(--brand-050);color:var(--brand-700);
  font-size:12px;font-weight:600;margin-bottom:10px;
}
.post-body h3{font-size:16.5px;line-height:1.5;font-weight:600;margin-bottom:8px;}
.post-body p{font-size:14px;color:var(--ink-500);margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-500);
}
.post-meta .go{color:var(--brand-700);font-weight:600;display:inline-flex;align-items:center;gap:4px;}
.post-card:hover .go span{transform:translateX(3px);}
.post-meta .go span{transition:transform .24s var(--ease);}

.back-home{display:flex;justify-content:center;padding:8px 0 8px;}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;margin-top:56px;background:var(--brand-900);
  color:rgba(255,255,255,.72);padding:56px 0 26px;font-size:14px;
}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad-brand);}
.footer-top{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;
  padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{width:34px;height:34px;border-radius:12px;font-size:16px;box-shadow:none;}
.footer-brand b{color:#fff;font-size:15px;font-weight:700;}
.footer-col p{color:rgba(255,255,255,.66);font-size:14px;margin:0;max-width:340px;}
.footer-col h4{color:#fff;font-size:14px;font-weight:600;margin-bottom:14px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:rgba(255,255,255,.7);font-size:14px;text-decoration:none;}
.footer-links a:hover{color:var(--brand-300);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  padding-top:20px;font-size:13px;color:rgba(255,255,255,.6);
}
.to-top{color:var(--brand-300);font-weight:600;text-decoration:none;}
.to-top:hover{color:#fff;}

/* ============ 响应式 ============ */
@media (min-width:992px) and (max-width:1199px){
  body{padding-left:84px;}
  .sidebar{width:84px;align-items:center;padding:18px 10px;}
  .brand{padding:2px 0 16px;justify-content:center;width:100%;}
  .brand-text{display:none;}
  .side-nav{width:100%;align-items:center;}
  .side-link{justify-content:center;padding:0;width:48px;}
  .side-link .txt{display:none;}
  .side-link.is-active::before{left:-18px;}
  .side-cta{width:48px;height:48px;padding:0;justify-content:center;}
  .side-cta .cta-txt{display:none;}
}
@media (max-width:991px){
  body{padding-left:0;padding-top:56px;}
  .sidebar{display:none;}
  .topbar{display:flex;}
  .head-grid{grid-template-columns:1fr;gap:32px;}
  .form-wrap{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr 1fr;}
  .page-head{padding:40px 0 40px;}
  .sec{padding:52px 0;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .head-copy h1{font-size:26px;}
  .head-copy .lead{font-size:15.5px;}
  .head-actions{gap:10px;}
  .head-actions .button{flex:1 1 100%;}
  .form-card{padding:22px;border-radius:var(--r-xl);}
  .form-grid{grid-template-columns:1fr;}
  .quick-grid{grid-template-columns:1fr 1fr;}
  .footer-top{grid-template-columns:1fr;gap:28px;}
  .site-footer{padding-top:40px;}
  .sec{padding:44px 0;}
  .accordion-title{font-size:15px;padding:0 52px 0 16px;}
}
@media (max-width:575px){
  .quick-grid{grid-template-columns:1fr;}
  .button{width:100%;}
  .back-home .button{width:auto;}
  body{font-size:15.5px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}