/* roulang page: index */
:root{
  --brand-700:#0E5B52;
  --brand-600:#16776B;
  --brand-500:#1E9382;
  --ink-900:#0B2422;
  --ink-700:#22403C;
  --accent-lime:#CBEF4A;
  --accent-coral:#FF6A4D;
  --bg-cream:#F6F4EE;
  --bg-card:#FFFFFF;
  --line:#E4E1D7;
  --text-body:#33403D;
  --text-muted:#7C8A86;
  --r-sm:18px;
  --r-lg:24px;
  --r-cta:28px;
  --sh-1:0 1px 2px rgba(11,36,34,.06);
  --sh-2:0 14px 30px -20px rgba(11,36,34,.25);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text-body);
  background-color:var(--bg-cream);
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit}
h1,h2,h3,h4,p,dl,dd,figure,blockquote{margin:0}
ul{margin:0;padding:0;list-style:none}
::selection{background:var(--accent-lime);color:var(--ink-900)}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--accent-lime);
  outline-offset:2px;
  border-radius:8px;
}
.num,time,.stat-num,.rail-num{font-variant-numeric:tabular-nums}

/* ---------- 容器与板块 ---------- */
.site-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:88px 0}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:34px;
}
.section-title{
  position:relative;
  padding-left:14px;
  font-size:clamp(22px,3vw,34px);
  font-weight:700;
  line-height:1.25;
  letter-spacing:-.01em;
  color:var(--ink-900);
}
.section-title::before{
  content:"";
  position:absolute;
  left:0;
  top:.3em;
  bottom:.3em;
  width:4px;
  border-radius:2px;
  background:var(--accent-lime);
}
.section-sub{
  margin-top:10px;
  max-width:640px;
  font-size:15px;
  line-height:1.75;
  color:var(--text-muted);
}
.more-link{
  flex:0 0 auto;
  font-size:14px;
  font-weight:600;
  color:var(--brand-700);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease,color .2s ease;
}
.more-link:hover{border-bottom-color:var(--brand-600);color:var(--brand-600)}
.head-note{
  flex:0 0 auto;
  font-size:13px;
  color:var(--text-muted);
  background:#fff;
  border:1px solid var(--line);
  border-radius:999px;
  padding:6px 14px;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border:1px solid transparent;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{background:var(--accent-lime);color:var(--ink-900);box-shadow:var(--sh-1)}
.btn-primary:hover{background:#DAF871;transform:translateY(-2px);box-shadow:0 14px 30px -18px rgba(11,36,34,.35)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink-900)}
.btn-ghost:hover{border-color:var(--brand-600);color:var(--brand-700);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-ghost:active{transform:translateY(0);box-shadow:none}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.35);color:#fff}
.btn-outline-light:hover{border-color:var(--accent-lime);color:var(--accent-lime);transform:translateY(-2px)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(246,244,238,.82);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:16px;height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:32px;
  height:32px;
  border-radius:10px;
  background:var(--brand-700);
  color:var(--accent-lime);
  font-size:15px;
  font-weight:700;
  line-height:1;
}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--ink-900)}
.nav-desktop{display:flex;align-items:center;gap:2px;margin-left:12px}
.nav-link{
  position:relative;
  padding:8px 12px;
  font-size:14px;
  font-weight:500;
  color:var(--ink-700);
  border-radius:999px;
  transition:color .2s ease,background-color .2s ease;
}
.nav-link:hover{color:var(--brand-700);background:rgba(22,119,107,.07)}
.nav-link.is-active{color:var(--ink-900);font-weight:700}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:12px;
  right:12px;
  bottom:-2px;
  height:2px;
  border-radius:2px;
  background:var(--accent-lime);
}
.header-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.cmd-search{
  display:flex;
  align-items:center;
  gap:8px;
  width:260px;
  height:40px;
  padding:0 8px 0 14px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:999px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.cmd-search:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 2px rgba(203,239,74,.55)}
.cmd-search input{
  flex:1 1 auto;
  min-width:0;
  border:0;
  outline:0;
  background:transparent;
  font-size:14px;
  color:var(--ink-900);
}
.cmd-search input::placeholder{color:#A9B4B0}
.search-icon{flex:0 0 auto;width:16px;height:16px;color:#8C9A96}
.kbd{
  flex:0 0 auto;
  font-size:11px;
  font-weight:600;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  color:var(--text-muted);
  background:var(--bg-cream);
  border:1px solid var(--line);
  border-radius:6px;
  padding:2px 7px;
}
.icon-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;
  height:40px;
  border-radius:999px;
  border:1px solid var(--line);
  color:var(--brand-700);
  background:#fff;
  transition:transform .2s ease,border-color .2s ease,color .2s ease,box-shadow .2s ease;
}
.icon-btn:hover{transform:translateY(-2px);border-color:var(--brand-600);box-shadow:var(--sh-2)}
.hamburger{
  display:none;
  margin-left:auto;
  width:42px;
  height:42px;
  padding:0;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  cursor:pointer;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-900)}

/* ---------- 移动端抽屉 ---------- */
.drawer{
  position:fixed;
  inset:0;
  z-index:60;
  visibility:hidden;
  opacity:0;
  transition:opacity .18s ease,visibility .18s ease;
}
.drawer.open{visibility:visible;opacity:1}
.drawer-mask{position:absolute;inset:0;background:rgba(11,36,34,.42)}
.drawer-panel{
  position:absolute;
  top:0;
  left:0;
  right:0;
  padding:20px 20px 26px;
  background:var(--bg-cream);
  border-bottom:1px solid var(--line);
  border-radius:0 0 24px 24px;
  transform:translateY(-14px);
  transition:transform .18s ease;
}
.drawer.open .drawer-panel{transform:translateY(0)}
.drawer-close{
  width:36px;height:36px;
  border:1px solid var(--line);
  border-radius:999px;
  background:#fff;
  font-size:20px;
  line-height:1;
  color:var(--ink-700);
  cursor:pointer;
}
.drawer-search{width:100%}
.drawer-link{
  display:block;
  padding:13px 14px;
  border-radius:14px;
  font-size:15px;
  font-weight:600;
  color:var(--ink-700);
  transition:background-color .2s ease,color .2s ease;
}
.drawer-link:hover{background:#fff;color:var(--brand-700)}
.drawer-link.is-active{background:#fff;color:var(--ink-900);box-shadow:var(--sh-1)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:76px 0 92px}
.hero-bg{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.07}
.hero-slash{
  position:absolute;
  top:-90px;
  right:-70px;
  width:520px;
  height:300px;
  background:rgba(203,239,74,.30);
  border-radius:64px;
  transform:rotate(-17deg);
}
.hero-inner{position:relative}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:56px;
  align-items:center;
}
.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:32px;
  padding:0 14px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  font-size:13px;
  font-weight:600;
  color:var(--brand-700);
  box-shadow:var(--sh-1);
}
.pill-dot{width:7px;height:7px;border-radius:50%;background:var(--accent-lime);box-shadow:0 0 0 3px rgba(203,239,74,.35)}
.hero-title{
  margin-top:20px;
  max-width:640px;
  font-size:clamp(28px,4.6vw,52px);
  font-weight:800;
  line-height:1.15;
  letter-spacing:-.01em;
  color:var(--ink-900);
}
.hero-sub{
  margin-top:18px;
  max-width:560px;
  font-size:17px;
  line-height:1.75;
  color:var(--ink-700);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:36px;
  margin-top:40px;
  padding-top:26px;
  border-top:1px solid var(--line);
}
.stat{display:flex;flex-direction:column;gap:2px}
.stat-num{font-size:26px;font-weight:800;line-height:1.2;color:var(--ink-900);font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.stat-label{font-size:12.5px;color:var(--text-muted)}
.hero-visual{position:relative;display:flex;justify-content:center}
.phone-card{
  position:relative;
  width:300px;
  max-width:100%;
  aspect-ratio:9/16;
  border-radius:var(--r-lg);
  overflow:hidden;
  background:#E9E6DC;
  box-shadow:var(--sh-2);
}
.phone-card img{width:100%;height:100%;object-fit:cover}
.phone-pips{position:absolute;top:14px;left:14px;display:flex;gap:4px;z-index:2}
.phone-pips span{display:block;width:22px;height:3px;border-radius:2px;background:rgba(255,255,255,.5)}
.phone-pips span.on{background:var(--accent-lime)}
.phone-overlay{
  position:absolute;
  left:0;right:0;bottom:0;
  padding:24px 20px 22px;
  background:linear-gradient(to top,rgba(11,36,34,.88),rgba(11,36,34,.25) 60%,rgba(11,36,34,0));
  color:#fff;
}
.phone-tag{
  display:inline-block;
  font-size:12px;
  font-weight:700;
  color:var(--ink-900);
  background:var(--accent-lime);
  border-radius:8px;
  padding:3px 9px;
}
.phone-title{margin-top:10px;font-size:17px;font-weight:700;line-height:1.5}
.float-card{
  position:absolute;
  padding:8px 14px;
  border-radius:999px;
  font-size:13px;
  font-weight:600;
  box-shadow:var(--sh-2);
}
.float-card--hot{top:52px;left:-6px;background:var(--accent-coral);color:#fff}
.float-card--time{bottom:70px;right:-6px;background:#fff;color:var(--ink-900);border:1px solid var(--line)}

/* ---------- 通用卡片 ---------- */
.card{
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D8D4C6}

/* ---------- 片段卡网格 ---------- */
.clip-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.clip-card{overflow:hidden}
.clip-link{display:block;padding:14px 14px 18px}
.reel-cover{
  position:relative;
  aspect-ratio:9/16;
  border-radius:var(--r-sm);
  overflow:hidden;
  background:#E9E6DC;
}
.reel-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.clip-card:hover .reel-cover img{transform:scale(1.03)}
.reel-cover::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(to top,rgba(11,36,34,.66),rgba(11,36,34,.06) 58%,rgba(11,36,34,0));
  transition:opacity .25s ease;
}
.clip-card:hover .reel-cover::after{opacity:.92}
.clip-badge{
  position:absolute;
  top:10px;
  left:10px;
  z-index:2;
  font-size:12px;
  font-weight:700;
  color:var(--brand-700);
  background:rgba(255,255,255,.94);
  border-radius:8px;
  padding:3px 9px;
}
.clip-duration{
  position:absolute;
  right:10px;
  bottom:10px;
  z-index:2;
  font-size:12px;
  font-weight:600;
  color:#fff;
  background:rgba(11,36,34,.6);
  border-radius:999px;
  padding:3px 10px;
  font-variant-numeric:tabular-nums;
}
.clip-bar{
  position:absolute;
  left:10px;
  right:10px;
  bottom:10px;
  z-index:3;
  display:flex;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  color:#fff;
  opacity:0;
  transform:translateY(6px);
  transition:opacity .25s ease,transform .25s ease;
}
.clip-card:hover .clip-bar{opacity:1;transform:translateY(0)}
.clip-play{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:26px;
  height:26px;
  border-radius:50%;
  background:var(--accent-lime);
  color:var(--ink-900);
  font-size:11px;
}
.clip-title{
  margin-top:14px;
  font-size:16px;
  font-weight:700;
  line-height:1.5;
  color:var(--ink-900);
  transition:color .2s ease;
}
.clip-card:hover .clip-title{color:var(--brand-700)}
.clip-meta{margin-top:8px;font-size:13px;color:var(--text-muted)}

/* ---------- 横向清单轨道 ---------- */
.rail{
  display:flex;
  gap:16px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding:6px 4px 22px;
  margin:0 -4px;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.rail::-webkit-scrollbar{display:none}
.rail-item{
  position:relative;
  flex:0 0 200px;
  min-height:158px;
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:24px 18px 20px;
  overflow:hidden;
  scroll-snap-align:start;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.rail-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D8D4C6}
.rail-num{
  position:absolute;
  right:8px;
  top:-8px;
  font-size:64px;
  font-weight:800;
  line-height:1;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  color:rgba(14,91,82,.08);
  pointer-events:none;
}
.rail-label{position:relative;font-size:15px;font-weight:700;color:var(--ink-900)}
.rail-text{position:relative;font-size:13.5px;line-height:1.7;color:var(--text-muted)}

/* ---------- 最新信息 ---------- */
.latest-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.latest-card{
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:22px 20px 20px;
}
.tag{
  display:inline-block;
  font-size:12px;
  font-weight:600;
  color:var(--brand-700);
  background:rgba(30,147,130,.12);
  border-radius:999px;
  padding:3px 11px;
}
.latest-title{
  font-size:16.5px;
  font-weight:700;
  line-height:1.55;
  color:var(--ink-900);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color .2s ease;
}
.latest-card:hover .latest-title{color:var(--brand-700)}
.latest-summary{
  font-size:13.5px;
  line-height:1.75;
  color:var(--text-muted);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.latest-meta{
  margin-top:auto;
  padding-top:12px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-muted);
}
.empty-state{
  padding:44px 24px;
  text-align:center;
  font-size:14.5px;
  color:var(--text-muted);
  background:#fff;
  border:1px dashed var(--line);
  border-radius:var(--r-sm);
}

/* ---------- 口碑滚动 ---------- */
.voices{overflow:hidden}
.marquee-wrap{overflow:hidden;padding:4px 0 8px;mask-image:linear-gradient(to right,transparent,#000 6%,#000 94%,transparent);-webkit-mask-image:linear-gradient(to right,transparent,#000 6%,#000 94%,transparent)}
.marquee{display:flex;gap:16px;width:max-content;animation:slide 42s linear infinite}
.marquee-wrap:hover .marquee{animation-play-state:paused}
@keyframes slide{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.voice-card{
  flex:0 0 300px;
  padding:20px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  box-shadow:var(--sh-1);
}
.voice-head{display:flex;align-items:center;gap:12px}
.avatar{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;
  height:38px;
  border-radius:50%;
  background:rgba(30,147,130,.12);
  color:var(--brand-700);
  font-size:15px;
  font-weight:700;
}
.voice-name{font-size:14.5px;font-weight:700;color:var(--ink-900)}
.voice-stars{font-size:12.5px;line-height:1.3;color:var(--accent-coral);letter-spacing:2px}
.voice-card blockquote{margin-top:14px;font-size:14px;line-height:1.75;color:var(--text-body)}

/* ---------- CTA 转化带 ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  padding:46px 48px;
  border-radius:var(--r-cta);
  background:var(--ink-900);
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:10px;
  border:1px solid rgba(203,239,74,.25);
  border-radius:20px;
  pointer-events:none;
}
.cta-band h2{
  font-size:clamp(22px,3vw,32px);
  font-weight:750;
  line-height:1.3;
  color:#fff;
}
.cta-band p{margin-top:12px;font-size:15px;line-height:1.75;color:rgba(255,255,255,.72)}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto;position:relative;z-index:1}
.cta-copy{position:relative;z-index:1}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#CDDAD5;box-shadow:var(--sh-2)}
.faq-item summary{
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:18px 20px;
  cursor:pointer;
  list-style:none;
  font-size:16px;
  font-weight:700;
  line-height:1.6;
  color:var(--ink-900);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";
  flex:0 0 auto;
  width:4px;
  height:18px;
  margin-top:5px;
  border-radius:2px;
  background:var(--line);
  transition:background-color .18s ease;
}
.faq-item[open] summary::before{background:var(--accent-lime)}
.faq-body{padding:0 20px 20px 36px;font-size:15px;line-height:1.8;color:var(--text-muted)}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:20px;background:var(--ink-900);color:rgba(255,255,255,.72);padding:64px 0 0}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:36px;
  padding-bottom:44px;
}
.brand--footer .brand-text{color:#fff}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:320px}
.footer-col h3{
  font-size:14px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease}
.footer-col a:hover{color:var(--accent-lime)}
.footer-plain li{font-size:14px;color:rgba(255,255,255,.62);line-height:1.8}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 0 26px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;
  color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.62)}
.footer-bottom a:hover{color:var(--accent-lime)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .clip-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .latest-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:1023px){
  .section{padding:64px 0}
  .nav-desktop{display:none}
  .header-right .cmd-search{width:200px}
  .hero{padding:56px 0 68px}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:44px}
  .hero-visual{order:2}
  .phone-card{width:260px}
  .float-card--hot{left:0}
  .float-card--time{right:0}
  .faq-grid{grid-template-columns:minmax(0,1fr)}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:900px){
  .header-right{display:none}
  .hamburger{display:flex}
}
@media (max-width:767px){
  .clip-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .latest-grid{grid-template-columns:minmax(0,1fr);gap:16px}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px}
  .hero-stats{gap:28px}
}
@media (max-width:639px){
  .site-container{padding:0 16px}
  .section{padding:48px 0}
  .header-inner{height:56px}
  .hero{padding:44px 0 56px}
  .hero-sub{font-size:16px}
  .hero-actions .btn{width:100%}
  .stat-num{font-size:22px}
  .rail-item{flex:0 0 160px;padding:20px 15px 18px}
  .rail-num{font-size:52px}
  .voice-card{flex:0 0 246px}
  .marquee{animation-duration:58s}
  .cta-band{padding:30px 22px;border-radius:22px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .clip-title{font-size:14.5px}
}
@media (prefers-reduced-motion:reduce){
  .marquee{animation:none}
  *{scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
  --brand-700:#0E5B52;
  --brand-600:#16776B;
  --brand-500:#1E9382;
  --ink-900:#0B2422;
  --ink-700:#22403C;
  --accent-lime:#CBEF4A;
  --accent-coral:#FF6A4D;
  --bg-cream:#F6F4EE;
  --bg-card:#FFFFFF;
  --line:#E4E1D7;
  --text-body:#33403D;
  --text-muted:#7C8A86;
  --r-sm:18px;
  --r-lg:24px;
  --r-cta:28px;
  --shadow-1:0 1px 2px rgba(11,36,34,.06);
  --shadow-2:0 14px 30px -20px rgba(11,36,34,.25);
  --shadow-3:0 22px 44px -24px rgba(11,36,34,.35);
  --font-sans:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular",Inter,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-cream);
  color:var(--text-body);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{list-style:none;padding:0}
:focus-visible{outline:2px solid var(--accent-lime);outline-offset:2px;border-radius:8px}
::selection{background:rgba(203,239,74,.55);color:var(--ink-900)}

.site-container{max-width:1200px;margin:0 auto;padding:0 20px}
@media (max-width:640px){.site-container{padding:0 16px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,238,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{height:64px;display:flex;align-items:center;gap:18px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:32px;height:32px;border-radius:10px;background:var(--ink-900);
  color:var(--accent-lime);display:grid;place-items:center;
  font-size:15px;font-weight:800;line-height:1;
}
.brand-text{font-size:16px;font-weight:800;color:var(--ink-900);letter-spacing:-.01em;white-space:nowrap}
.nav-desktop{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-link{
  position:relative;padding:8px 12px;font-size:14px;font-weight:500;
  color:var(--ink-700);border-radius:10px;
  transition:color .18s ease,background-color .18s ease;
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;
  border-radius:2px;background:var(--accent-lime);
  transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-link:hover{color:var(--brand-700);background:rgba(30,147,130,.07)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink-900);font-weight:700}
.header-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.cmd-search{
  position:relative;display:flex;align-items:center;width:260px;height:40px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:0 10px 0 36px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.cmd-search:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(203,239,74,.5)}
.search-icon{position:absolute;left:12px;width:16px;height:16px;color:var(--text-muted);pointer-events:none}
.cmd-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14px}
.cmd-search input::placeholder{color:var(--text-muted)}
.kbd{
  font-family:var(--font-mono);font-size:11px;line-height:1;
  padding:4px 7px;border-radius:999px;border:1px solid var(--line);
  color:var(--text-muted);background:#FAF9F5;
}
.icon-btn{
  width:40px;height:40px;border-radius:999px;border:1px solid var(--line);
  background:#fff;display:grid;place-items:center;color:var(--ink-700);
  transition:transform .18s ease,border-color .18s ease,color .18s ease,box-shadow .18s ease;
}
.icon-btn:hover{transform:translateY(-2px);border-color:var(--brand-500);color:var(--brand-700);box-shadow:var(--shadow-2)}
.icon-btn:active{transform:translateY(0)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;border:1px solid transparent;
  font-size:14px;font-weight:700;cursor:pointer;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn-sm{height:38px;padding:0 18px;font-size:13.5px}
.btn-primary{background:var(--accent-lime);color:var(--ink-900);box-shadow:var(--shadow-1)}
.btn-primary:hover{background:#D8F566;transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--ink-700)}
.btn-outline:hover{border-color:var(--brand-500);color:var(--brand-700);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.42);color:#fff}
.btn-ghost:hover{border-color:var(--accent-lime);color:var(--accent-lime);transform:translateY(-2px)}
.btn-block{width:100%}

.hamburger{
  display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:#fff;flex-direction:column;justify-content:center;align-items:center;gap:4px;
  cursor:pointer;padding:0;
}
.hamburger span{display:block;width:16px;height:2px;border-radius:2px;background:var(--ink-700);transition:transform .2s ease,opacity .2s ease}
.hamburger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.hamburger.is-open span:nth-child(2){opacity:0}
.hamburger.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.drawer-mask{
  position:fixed;inset:0;background:rgba(11,36,34,.42);z-index:70;
  opacity:0;transition:opacity .2s ease;
}
.drawer-mask.is-show{opacity:1}
.mobile-drawer{
  position:fixed;top:0;right:0;z-index:80;width:min(320px,86vw);height:100%;
  background:var(--bg-cream);border-left:1px solid var(--line);
  padding:24px 20px 32px;display:flex;flex-direction:column;gap:18px;
  transform:translateY(-103%);transition:transform .22s ease;
  box-shadow:var(--shadow-3);
}
.mobile-drawer.is-open{transform:translateY(0)}
.drawer-title{font-size:13px;font-weight:700;color:var(--text-muted);letter-spacing:.08em}
.drawer-nav{display:flex;flex-direction:column;gap:4px}
.drawer-nav a{
  padding:12px 14px;border-radius:14px;font-size:15px;font-weight:600;color:var(--ink-700);
  border:1px solid transparent;transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.drawer-nav a:hover{background:#fff;border-color:var(--line);color:var(--brand-700)}
.cmd-search--drawer{width:100%}

@media (max-width:1280px){.cmd-search{width:210px}}
@media (max-width:1023px){
  .header-inner{height:56px}
  .site-header{height:56px}
  .nav-desktop{display:none}
  .header-right .cmd-search{display:none}
  .header-right .icon-btn{display:none}
  .header-right .btn-primary{display:none}
  .hamburger{display:flex}
}
@media (max-width:640px){
  .brand-text{font-size:15px}
}

/* ---------- article head ---------- */
.article-head{
  position:relative;
  padding:40px 0 44px;
  background-image:linear-gradient(180deg,rgba(246,244,238,.94),rgba(246,244,238,.99)),url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.article-head::after{
  content:"";position:absolute;right:-90px;top:-70px;width:280px;height:280px;
  border-radius:50%;border:1px solid rgba(14,91,82,.14);pointer-events:none;
}
.article-head::before{
  content:"";position:absolute;right:10px;top:-10px;width:180px;height:180px;
  border-radius:50%;border:1px solid rgba(14,91,82,.09);pointer-events:none;
}
.article-head .site-container{position:relative;z-index:1}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-muted);margin-bottom:18px;
}
.breadcrumb a{
  border-bottom:1px solid transparent;transition:color .18s ease,border-color .18s ease;
}
.breadcrumb a:hover{color:var(--brand-700);border-bottom-color:var(--brand-500)}
.breadcrumb .sep{color:#C8C4B8}
.crumb-current{
  max-width:min(520px,70vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink-700);
}
.article-title{
  font-size:clamp(26px,4.2vw,46px);
  font-weight:800;
  line-height:1.18;
  letter-spacing:-.01em;
  color:var(--ink-900);
  max-width:900px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:22px;font-size:13.5px;color:var(--text-muted);
}
.meta-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;
  background:rgba(30,147,130,.1);color:var(--brand-700);
  font-weight:600;font-size:13px;
}
.meta-item{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);
  font-variant-numeric:tabular-nums;
}
.meta-dot{width:5px;height:5px;border-radius:50%;background:var(--accent-lime)}

/* ---------- layout ---------- */
.article-main{padding:56px 0 8px}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,2fr) minmax(0,1fr);
  gap:40px;
  align-items:start;
}
@media (max-width:1023px){
  .article-layout{grid-template-columns:1fr;gap:32px}
  .article-main{padding:40px 0 8px}
}

/* ---------- article body ---------- */
.article-body{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);
  padding:36px 40px 42px;
  max-width:800px;
  font-size:16px;
  line-height:1.85;
  color:var(--text-body);
}
@media (max-width:640px){
  .article-body{padding:24px 18px 30px;border-radius:var(--r-sm)}
}
.article-body p{margin:1.6em 0;max-width:720px}
.article-body > p:first-child{margin-top:0}
.article-body h2{
  position:relative;
  font-size:clamp(21px,2.6vw,28px);
  font-weight:750;
  line-height:1.32;
  color:var(--ink-900);
  margin:2.1em 0 .8em;
  padding-left:16px;
  letter-spacing:-.005em;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;
  width:4px;height:18px;border-radius:3px;background:var(--accent-lime);
}
.article-body h3{
  font-size:19px;font-weight:700;color:var(--ink-900);
  margin:1.7em 0 .6em;line-height:1.4;
}
.article-body h4{font-size:17px;font-weight:700;color:var(--ink-700);margin:1.4em 0 .5em}
.article-body a{
  color:var(--brand-700);font-weight:600;
  border-bottom:1px solid rgba(22,119,107,.35);
  transition:border-color .18s ease,color .18s ease;
}
.article-body a:hover{color:var(--brand-500);border-bottom-color:var(--brand-500)}
.article-body strong{color:var(--ink-900);font-weight:700}
.article-body ul,.article-body ol{margin:1.3em 0;max-width:720px}
.article-body li{position:relative;padding-left:22px;margin:.55em 0}
.article-body ul > li::before{
  content:"";position:absolute;left:4px;top:.72em;
  width:7px;height:7px;border-radius:50%;background:var(--accent-lime);
}
.article-body ol{counter-reset:artnum}
.article-body ol > li{counter-increment:artnum;padding-left:30px}
.article-body ol > li::before{
  content:counter(artnum,decimal-leading-zero);
  position:absolute;left:0;top:.05em;
  font-family:var(--font-mono);font-size:12px;font-weight:700;color:var(--brand-500);
  letter-spacing:.02em;
}
.article-body blockquote{
  margin:1.8em 0;
  padding:18px 22px;
  border-left:3px solid var(--brand-600);
  background:#EFF6F3;
  border-radius:0 14px 14px 0;
  color:var(--ink-700);
  font-size:15.5px;
}
.article-body blockquote p{margin:.5em 0}
.article-body img{
  border-radius:16px;
  margin:1.8em auto;
  width:100%;
  height:auto;
  border:1px solid var(--line);
}
.article-body figure{margin:1.8em 0}
.article-body figcaption{
  margin-top:10px;text-align:center;font-size:13px;color:var(--text-muted);
}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}
.article-body code{
  font-family:var(--font-mono);font-size:13.5px;
  background:#EFF6F3;color:var(--brand-700);
  padding:2px 6px;border-radius:6px;
}
.article-body pre{
  margin:1.6em 0;padding:18px 20px;border-radius:14px;
  background:var(--ink-900);color:#DCEAE6;
  overflow-x:auto;font-size:13.5px;line-height:1.7;
}
.article-body pre code{background:transparent;color:inherit;padding:0}
.article-body table{
  width:100%;margin:1.8em 0;border-collapse:collapse;
  font-size:14.5px;display:block;overflow-x:auto;white-space:nowrap;
}
.article-body th,.article-body td{
  border:1px solid var(--line);padding:10px 14px;text-align:left;
}
.article-body th{background:#F2F6F4;color:var(--ink-900);font-weight:700}

.empty-state{
  display:flex;flex-direction:column;align-items:flex-start;gap:14px;
  padding:12px 0 6px;
}
.empty-state .empty-icon{
  width:48px;height:48px;border-radius:14px;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--brand-600);background:#F4F8F6;
}
.empty-state h2{font-size:20px;font-weight:750;color:var(--ink-900)}
.empty-state p{font-size:14.5px;color:var(--text-muted);margin:0}

/* ---------- sidebar ---------- */
.article-side{display:flex;flex-direction:column;gap:20px;position:sticky;top:88px}
@media (max-width:1023px){.article-side{position:static}}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:22px 22px 24px;box-shadow:var(--shadow-1);
}
.side-title{
  font-size:14px;font-weight:750;color:var(--ink-900);
  letter-spacing:.02em;margin-bottom:14px;
  display:flex;align-items:center;gap:8px;
}
.side-title::before{content:"";width:4px;height:14px;border-radius:3px;background:var(--accent-lime)}
.toc{display:flex;flex-direction:column;gap:2px;max-height:46vh;overflow-y:auto}
.toc-link{
  display:block;padding:8px 12px;border-radius:10px;
  font-size:13.5px;line-height:1.55;color:var(--text-muted);
  border-left:2px solid transparent;
  transition:color .18s ease,background-color .18s ease,border-color .18s ease;
}
.toc-link:hover{color:var(--brand-700);background:#F4F8F6}
.toc-link--sub{padding-left:24px;font-size:13px;color:#93A09C}
.toc-link.is-current{
  color:var(--ink-900);font-weight:700;background:#F2F6F4;
  border-left-color:var(--accent-lime);
}
.side-links{display:flex;flex-direction:column;gap:2px}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 12px;border-radius:12px;font-size:14px;font-weight:600;color:var(--ink-700);
  transition:background-color .18s ease,color .18s ease,transform .18s ease;
}
.side-links a::after{content:"→";font-family:var(--font-mono);font-size:12px;color:var(--text-muted);transition:transform .18s ease,color .18s ease}
.side-links a:hover{background:#F4F8F6;color:var(--brand-700);transform:translateX(2px)}
.side-links a:hover::after{color:var(--brand-500);transform:translateX(3px)}
.side-note{
  font-size:13px;color:var(--text-muted);line-height:1.7;
  padding-top:14px;margin-top:14px;border-top:1px dashed var(--line);
}

/* ---------- article footer blocks ---------- */
.article-foot{padding:56px 0 88px}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:16px;
  margin-bottom:22px;
}
.section-head h2{
  position:relative;padding-left:16px;
  font-size:clamp(20px,2.4vw,26px);font-weight:750;color:var(--ink-900);letter-spacing:-.005em;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.3em;width:4px;height:18px;border-radius:3px;background:var(--accent-lime);
}
.section-head .more{
  font-size:13.5px;font-weight:600;color:var(--brand-700);
  border-bottom:1px solid transparent;transition:border-color .18s ease,color .18s ease;
  white-space:nowrap;
}
.section-head .more:hover{color:var(--brand-500);border-bottom-color:var(--brand-500)}

.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px}
.tag{
  display:inline-flex;align-items:center;
  padding:7px 15px;border-radius:999px;font-size:13px;font-weight:600;
  background:#fff;border:1px solid var(--line);color:var(--ink-700);
  transition:border-color .18s ease,color .18s ease,transform .18s ease;
}
.tag:hover{border-color:var(--brand-500);color:var(--brand-700);transform:translateY(-2px)}

.pager-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-bottom:56px}
@media (max-width:640px){.pager-grid{grid-template-columns:1fr}}
.pager-card{
  display:flex;flex-direction:column;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:20px 22px;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.pager-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D6D2C6}
.pager-card .pager-label{
  font-size:12px;font-weight:700;color:var(--text-muted);letter-spacing:.08em;
}
.pager-card .pager-title{font-size:16px;font-weight:700;color:var(--ink-900);line-height:1.5}
.pager-card:hover .pager-title{color:var(--brand-700)}
.pager-card .pager-desc{font-size:13px;color:var(--text-muted);line-height:1.7}

.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-bottom:44px}
@media (max-width:1023px){.related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.related-grid{grid-template-columns:1fr}}
.rel-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.rel-cover{position:relative;aspect-ratio:9/16;overflow:hidden;background:#EAE7DD}
.rel-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.rel-card:hover .rel-cover img{transform:scale(1.03)}
.rel-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,36,34,0) 45%,rgba(11,36,34,.55) 100%);
}
.rel-badge{
  position:absolute;top:12px;left:12px;z-index:1;
  padding:5px 12px;border-radius:999px;
  background:rgba(255,255,255,.92);color:var(--brand-700);
  font-size:12px;font-weight:700;
}
.rel-time{
  position:absolute;right:12px;bottom:12px;z-index:1;
  padding:5px 11px;border-radius:999px;
  background:rgba(11,36,34,.62);color:#fff;
  font-size:12px;font-weight:600;font-variant-numeric:tabular-nums;
}
.rel-body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:8px}
.rel-body h3{font-size:15.5px;font-weight:700;color:var(--ink-900);line-height:1.5;transition:color .18s ease}
.rel-card:hover .rel-body h3{color:var(--brand-700)}
.rel-body p{font-size:13px;color:var(--text-muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.back-row{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- CTA band ---------- */
.cta-band{padding:0 0 88px}
.cta-inner{
  position:relative;overflow:hidden;
  background:var(--ink-900);
  border-radius:var(--r-cta);
  padding:44px 44px;
  display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);
  gap:28px;align-items:center;
}
.cta-inner::before{
  content:"";position:absolute;right:-60px;top:-80px;width:260px;height:260px;
  border-radius:50%;border:1px solid rgba(203,239,74,.22);pointer-events:none;
}
.cta-inner::after{
  content:"";position:absolute;right:40px;bottom:-90px;width:180px;height:180px;
  border-radius:50%;border:1px solid rgba(203,239,74,.14);pointer-events:none;
}
.cta-copy h2{
  font-size:clamp(21px,2.6vw,30px);font-weight:750;color:#fff;line-height:1.3;letter-spacing:-.005em;
}
.cta-copy p{margin-top:12px;font-size:14.5px;color:rgba(255,255,255,.72);line-height:1.8;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;position:relative;z-index:1}
@media (max-width:1023px){
  .cta-inner{grid-template-columns:1fr;padding:34px 26px}
  .cta-actions{justify-content:flex-start}
}
@media (max-width:640px){
  .cta-inner{padding:28px 20px;border-radius:var(--r-lg)}
}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:58px 0 0}
.footer-grid{
  display:grid;grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));
  gap:32px;padding-bottom:40px;
}
@media (max-width:1023px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.footer-grid{grid-template-columns:1fr;gap:26px}}
.brand--footer{margin-bottom:14px}
.brand--footer .brand-mark{background:rgba(203,239,74,.14);color:var(--accent-lime)}
.brand--footer .brand-text{color:#fff}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:340px}
.footer-col h3{
  font-size:13px;font-weight:700;color:#fff;letter-spacing:.06em;margin-bottom:14px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{
  font-size:14px;color:rgba(255,255,255,.68);
  transition:color .18s ease;
}
.footer-col a:hover{color:var(--accent-lime)}
.footer-plain li{font-size:14px;color:rgba(255,255,255,.62);line-height:1.7}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.65);transition:color .18s ease}
.footer-bottom a:hover{color:var(--accent-lime)}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --brand-700:#0E5B52; --brand-600:#16776B; --brand-500:#1E9382;
  --ink-900:#0B2422; --ink-700:#22403C;
  --accent-lime:#CBEF4A; --accent-coral:#FF6A4D;
  --bg-cream:#F6F4EE; --bg-card:#FFFFFF; --line:#E4E1D7;
  --text-body:#33403D; --text-muted:#7C8A86;
  --radius-sm:18px; --radius-lg:24px; --radius-cta:28px;
  --shadow-1:0 1px 2px rgba(11,36,34,.06);
  --shadow-2:0 14px 30px -20px rgba(11,36,34,.25);
  --header-h:64px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px; line-height:1.8; color:var(--text-body);
  background-color:var(--bg-cream);
  background-image:radial-gradient(rgba(11,36,34,.05) 1px,transparent 1px);
  background-size:22px 22px;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent-lime);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;font-family:ui-monospace,"SFMono-Regular",Inter,system-ui,sans-serif;}

.site-container{max-width:1200px;margin:0 auto;padding:0 20px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,238,.82);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:20px;height:var(--header-h);}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--brand-600),var(--brand-700));
  color:var(--accent-lime);font-weight:800;font-size:16px;letter-spacing:.02em;
}
.brand-text{font-weight:800;font-size:16px;color:var(--ink-900);letter-spacing:-.01em;}
.nav-desktop{display:flex;align-items:center;gap:4px;margin-left:12px;}
.nav-link{
  position:relative;padding:8px 12px;border-radius:999px;
  font-size:14px;font-weight:500;color:var(--ink-700);
  transition:background-color .18s ease,color .18s ease;
}
.nav-link:hover{background:rgba(30,147,130,.09);color:var(--brand-700);}
.nav-link.is-active{color:var(--ink-900);font-weight:700;}
.nav-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:-1px;transform:translateX(-50%);
  width:22px;height:2px;border-radius:2px;background:var(--accent-lime);
}
.header-right{display:flex;align-items:center;gap:10px;margin-left:auto;}
.cmd-search{
  display:flex;align-items:center;gap:8px;width:260px;height:40px;
  padding:0 10px 0 14px;border:1px solid var(--line);border-radius:999px;
  background:var(--bg-card);transition:border-color .18s ease,box-shadow .18s ease;
}
.cmd-search:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(203,239,74,.5);}
.search-icon{width:16px;height:16px;color:var(--text-muted);flex-shrink:0;}
.cmd-search input{
  flex:1;min-width:0;border:0;background:transparent;font-size:13.5px;outline:none;
}
.cmd-search input::placeholder{color:#9AA6A2;}
.kbd{
  flex-shrink:0;font-size:11px;color:var(--text-muted);border:1px solid var(--line);
  border-radius:6px;padding:1px 6px;line-height:1.5;background:var(--bg-cream);
}
.icon-btn{
  width:40px;height:40px;border-radius:999px;display:grid;place-items:center;
  border:1px solid var(--line);background:var(--bg-card);color:var(--ink-700);
  transition:transform .18s ease,box-shadow .18s ease,color .18s ease;
}
.icon-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);color:var(--brand-700);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;border:1px solid transparent;
  font-size:14.5px;font-weight:700;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn-sm{height:38px;padding:0 16px;font-size:13.5px;}
.btn-primary{background:var(--accent-lime);color:#0E2B27;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:#D8F762;transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(1px);box-shadow:var(--shadow-1);}
.btn-ghost{background:transparent;border-color:var(--ink-700);color:var(--ink-900);}
.btn-ghost:hover{background:rgba(11,36,34,.06);transform:translateY(-2px);}
.btn-outline-light{background:transparent;border-color:rgba(246,244,238,.45);color:#F6F4EE;}
.btn-outline-light:hover{border-color:var(--accent-lime);color:var(--accent-lime);transform:translateY(-2px);}
.hamburger{
  display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:12px;
  background:var(--bg-card);padding:0;place-items:center;cursor:pointer;
}
.hamburger span{display:block;width:16px;height:2px;background:var(--ink-900);border-radius:2px;margin:3px auto;transition:transform .2s ease,opacity .2s ease;}
.hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(5px) rotate(45deg);}
.hamburger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-5px) rotate(-45deg);}
.mobile-drawer{
  position:fixed;inset:var(--header-h) 0 auto 0;z-index:55;
  background:var(--bg-card);border-bottom:1px solid var(--line);
  padding:18px 20px 24px;box-shadow:var(--shadow-2);
  transform:translateY(-12px);opacity:0;visibility:hidden;
  transition:transform .18s ease,opacity .18s ease,visibility .18s ease;
}
.mobile-drawer.is-open{transform:translateY(0);opacity:1;visibility:visible;}
.mobile-drawer .nav-link{display:block;padding:12px 14px;font-size:15px;border-radius:14px;}
.mobile-drawer .cmd-search{width:100%;margin:12px 0 14px;}
.mobile-drawer .btn{width:100%;}
body.lock-scroll{overflow:hidden;}

/* ---------- page hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  padding:56px 0 64px;
  background:linear-gradient(180deg,#FBF9F4 0%,var(--bg-cream) 100%);
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  opacity:.06;
}
.cat-hero::after{
  content:"";position:absolute;top:-80px;right:-120px;width:420px;height:420px;
  border-radius:50%;border:1px solid rgba(22,119,107,.18);
  box-shadow:0 0 0 40px rgba(22,119,107,.05),0 0 0 90px rgba(22,119,107,.03);
  pointer-events:none;
}
.cat-hero .site-container{position:relative;z-index:2;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-muted);margin-bottom:22px;}
.breadcrumb a{color:var(--text-muted);border-bottom:1px solid transparent;transition:color .18s ease,border-color .18s ease;}
.breadcrumb a:hover{color:var(--brand-700);border-color:var(--brand-700);}
.breadcrumb span[aria-hidden]{opacity:.6;}
.hero-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:40px;align-items:start;}
.pill-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;background:rgba(30,147,130,.1);
  color:var(--brand-700);font-size:13px;font-weight:600;
}
.pill-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--brand-500);}
.cat-hero h1{
  font-size:clamp(28px,4.6vw,50px);line-height:1.15;letter-spacing:-.01em;
  font-weight:800;color:var(--ink-900);margin:18px 0 18px;
}
.cat-hero h1 em{font-style:normal;box-shadow:inset 0 -14px 0 rgba(203,239,74,.55);}
.lead{max-width:720px;font-size:16.5px;line-height:1.85;color:var(--text-body);}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:28px;margin-top:32px;padding-top:24px;border-top:1px solid var(--line);}
.stat-item .value{font-size:24px;font-weight:800;color:var(--ink-900);letter-spacing:-.01em;}
.stat-item .label{font-size:12px;color:var(--text-muted);margin-top:2px;}

.hero-panel{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:22px;box-shadow:var(--shadow-2);
}
.hero-panel h2{font-size:16px;font-weight:750;color:var(--ink-900);margin-bottom:4px;}
.hero-panel .panel-note{font-size:13px;color:var(--text-muted);margin-bottom:16px;}
.hero-panel figure{margin-bottom:18px;border-radius:var(--radius-sm);overflow:hidden;position:relative;}
.hero-panel img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.mini-list{display:grid;gap:10px;}
.mini-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;color:var(--ink-700);line-height:1.7;
}
.mini-list .tick{
  flex-shrink:0;width:20px;height:20px;border-radius:999px;margin-top:4px;
  background:rgba(203,239,74,.55);color:#0E2B27;display:grid;place-items:center;
  font-size:12px;font-weight:800;
}

/* ---------- sections ---------- */
.section{padding:72px 0;}
.section-alt{background:#FFFFFF;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{display:flex;flex-wrap:wrap;gap:16px;align-items:flex-end;justify-content:space-between;margin-bottom:34px;}
.section-head .titles{max-width:720px;}
.section-head h2{
  font-size:clamp(22px,3vw,33px);line-height:1.25;font-weight:750;color:var(--ink-900);
  position:relative;padding-left:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;width:4px;height:22px;border-radius:3px;background:var(--accent-lime);
}
.section-head .sub{margin-top:12px;font-size:15px;color:var(--text-muted);line-height:1.8;}
.text-link{
  font-size:14px;font-weight:600;color:var(--brand-700);
  border-bottom:1px solid transparent;transition:border-color .18s ease,color .18s ease;
  white-space:nowrap;
}
.text-link:hover{border-color:var(--brand-700);}

/* steps / timeline */
.steps{display:grid;gap:22px;}
.step{
  display:grid;grid-template-columns:56px minmax(0,1fr);gap:22px;align-items:start;
}
.step-rail{position:relative;display:flex;justify-content:center;}
.step-rail .index{
  position:relative;z-index:2;width:44px;height:44px;border-radius:999px;
  display:grid;place-items:center;font-weight:800;font-size:15px;
  background:var(--ink-900);color:var(--accent-lime);
}
.step-rail::after{
  content:"";position:absolute;top:44px;bottom:-30px;left:50%;transform:translateX(-50%);
  width:1px;background:var(--line);
}
.step:last-child .step-rail::after{display:none;}
.step-card{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.step-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.step-card h3{font-size:19px;font-weight:750;color:var(--ink-900);margin-bottom:10px;}
.step-card p{font-size:15px;color:var(--text-body);max-width:720px;}
.step-card .tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;
  background:rgba(30,147,130,.1);color:var(--brand-700);font-size:12.5px;font-weight:600;
}
.tag--coral{background:rgba(255,106,77,.12);color:#C63E23;}
.step-media{display:grid;grid-template-columns:minmax(0,1fr) 220px;gap:20px;align-items:center;margin-top:18px;}
.step-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-sm);}
.step-media .aside-note{
  font-size:13px;color:var(--text-muted);line-height:1.75;
  border-left:3px solid var(--brand-500);padding-left:12px;
}

/* checklist three columns */
.check-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.check-card{
  background:var(--bg-card);border-top:2px solid var(--line);
  padding:22px 20px 24px;transition:border-color .2s ease,transform .2s ease;
}
.check-card:hover{border-top-color:var(--accent-lime);transform:translateY(-2px);}
.check-card .k{font-size:12.5px;color:var(--text-muted);letter-spacing:.14em;text-transform:uppercase;}
.check-card h3{font-size:17.5px;font-weight:750;color:var(--ink-900);margin:10px 0 10px;}
.check-card p{font-size:14.5px;color:var(--text-body);line-height:1.8;}
.check-card ul{margin-top:14px;display:grid;gap:8px;}
.check-card li{position:relative;padding-left:14px;font-size:13.5px;color:var(--text-muted);line-height:1.7;}
.check-card li::before{content:"";position:absolute;left:0;top:9px;width:5px;height:5px;border-radius:50%;background:var(--brand-500);}

/* compare strip */
.cmp{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;position:relative;}
.cmp::after{
  content:"";position:absolute;left:50%;top:8px;bottom:8px;width:1px;
  border-left:2px dashed rgba(203,239,74,.9);
}
.cmp-card{background:#FBF9F4;border:1px solid var(--line);border-radius:var(--radius-sm);padding:20px;}
.cmp-card h3{font-size:16px;font-weight:750;color:var(--ink-900);margin-bottom:8px;}
.cmp-card p{font-size:14.5px;color:var(--text-body);}

/* faq */
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.faq-item{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:0 20px;overflow:hidden;transition:box-shadow .2s ease;
}
.faq-item[open]{box-shadow:var(--shadow-2);border-left:3px solid var(--accent-lime);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 0;font-size:16px;font-weight:700;color:var(--ink-900);
  display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";font-size:20px;font-weight:600;color:var(--brand-600);
  transition:transform .18s ease;line-height:1;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item .answer{padding:0 0 18px;font-size:15px;color:var(--text-body);line-height:1.85;max-width:720px;}

/* cta band */
.cta-band{
  background:var(--ink-900);border-radius:var(--radius-cta);
  padding:44px 40px;display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);
  gap:28px;align-items:center;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;border-radius:var(--radius-cta);
  border:1px solid rgba(203,239,74,.22);pointer-events:none;
}
.cta-band::after{
  content:"";position:absolute;right:-70px;bottom:-90px;width:260px;height:260px;
  border-radius:50%;border:1px solid rgba(203,239,74,.18);
  box-shadow:0 0 0 34px rgba(203,239,74,.05);
  pointer-events:none;
}
.cta-band h2{font-size:clamp(22px,2.8vw,30px);font-weight:800;color:#F6F4EE;line-height:1.3;}
.cta-band p{margin-top:12px;font-size:15px;color:rgba(246,244,238,.72);line-height:1.85;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;position:relative;z-index:2;}

/* footer */
.site-footer{background:var(--ink-900);color:rgba(246,244,238,.78);padding:56px 0 26px;margin-top:72px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;}
.brand--footer .brand-text{color:#F6F4EE;}
.footer-desc{margin-top:14px;font-size:14px;line-height:1.8;max-width:300px;color:rgba(246,244,238,.66);}
.footer-col h3{font-size:14px;font-weight:750;color:#F6F4EE;margin-bottom:14px;letter-spacing:.02em;}
.footer-col ul{display:grid;gap:10px;}
.footer-col li{font-size:14px;color:rgba(246,244,238,.7);}
.footer-col a{font-size:14px;color:rgba(246,244,238,.7);border-bottom:1px solid transparent;transition:color .18s ease,border-color .18s ease;}
.footer-col a:hover{color:var(--accent-lime);border-color:var(--accent-lime);}
.footer-plain li{list-style:none;}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(246,244,238,.14);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(246,244,238,.55);
}
.footer-bottom a{color:rgba(246,244,238,.6);border-bottom:1px solid transparent;transition:color .18s ease,border-color .18s ease;}
.footer-bottom a:hover{color:var(--accent-lime);border-color:var(--accent-lime);}

@media (max-width:1279px){
  .cmd-search{width:210px;}
}
@media (max-width:1023px){
  .nav-desktop{display:none;}
  .hamburger{display:grid;}
  .header-right .cmd-search,.header-right .icon-btn{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-panel{max-width:520px;}
  .check-grid{grid-template-columns:1fr 1fr;}
  .faq-grid{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:36px 28px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .section{padding:60px 0;}
}
@media (max-width:767px){
  .step{grid-template-columns:40px minmax(0,1fr);gap:14px;}
  .step-rail .index{width:36px;height:36px;font-size:13.5px;}
  .step-rail::after{top:36px;}
  .step-card{padding:20px 18px;}
  .step-media{grid-template-columns:1fr;}
  .cmp{grid-template-columns:1fr;}
  .cmp::after{display:none;}
  .check-grid{grid-template-columns:1fr;}
}
@media (max-width:640px){
  .site-container{padding:0 16px;}
  .header-inner{gap:12px;height:56px;}
  :root{--header-h:56px;}
  .brand-text{font-size:15px;}
  .cat-hero{padding:40px 0 48px;}
  .hero-stats{gap:20px;}
  .stat-item .value{font-size:21px;}
  .section{padding:52px 0;}
  .section-head h2{padding-left:14px;}
  .section-head h2::before{height:18px;}
  .cta-band{padding:30px 20px;border-radius:22px;}
  .cta-band::before{border-radius:22px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category2 */
:root{
  --brand-700:#0E5B52;
  --brand-600:#16776B;
  --brand-500:#1E9382;
  --ink-900:#0B2422;
  --ink-700:#22403C;
  --accent-lime:#CBEF4A;
  --accent-coral:#FF6A4D;
  --bg-cream:#F6F4EE;
  --bg-card:#FFFFFF;
  --line:#E4E1D7;
  --text-body:#33403D;
  --text-muted:#62706B;
  --radius-sm:12px;
  --radius-card:18px;
  --radius-lg:24px;
  --radius-xl:28px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(11,36,34,.06);
  --shadow-2:0 14px 30px -20px rgba(11,36,34,.25);
  --shadow-3:0 26px 52px -30px rgba(11,36,34,.38);
  --gap-section:88px;
  --font-sans:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:ui-monospace,"Inter","SFMono-Regular",Menlo,Consolas,monospace;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--text-body);
  background:var(--bg-cream);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none}
input{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink-900);line-height:1.25;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent-lime);outline-offset:2px}

.site-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:var(--gap-section) 0}
.section--tight{padding:64px 0}

/* ============ 顶部命令栏 ============ */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(246,244,238,.82);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:64px}
.brand{display:inline-flex;align-items:center;gap:10px}
.brand-mark{
  width:34px;height:34px;border-radius:11px;background:var(--ink-900);
  color:var(--accent-lime);font-weight:800;font-size:16px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-1);
}
.brand-text{font-size:16px;font-weight:700;color:var(--ink-900);letter-spacing:-.02em}
.nav-desktop{display:flex;align-items:center;gap:26px}
.nav-link{
  position:relative;font-size:14px;font-weight:500;color:var(--text-body);
  padding:6px 0;transition:color .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--accent-lime);border-radius:2px;
  transform:scaleX(0);transform-origin:left center;transition:transform .2s ease;
}
.nav-link:hover{color:var(--brand-700)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand-700);font-weight:700}
.nav-link.is-active::after{transform:scaleX(1)}

.header-right{display:flex;align-items:center;gap:12px}
.cmd-search{
  display:flex;align-items:center;gap:8px;
  width:260px;height:40px;padding:0 12px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-pill);
  color:var(--text-muted);transition:border-color .18s ease, box-shadow .18s ease;
}
.cmd-search:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(203,239,74,.45)}
.cmd-search .search-icon{width:16px;height:16px;flex:0 0 auto;color:var(--text-muted)}
.cmd-search input{
  flex:1 1 auto;min-width:0;border:0;height:100%;background:transparent;
  font-size:13.5px;color:var(--text-body);
}
.cmd-search input::placeholder{color:var(--text-muted)}
.cmd-search input:focus{outline:none}
.kbd{
  font-family:var(--font-mono);font-size:11px;line-height:1;
  padding:4px 7px;border:1px solid var(--line);border-radius:7px;
  background:var(--bg-cream);color:var(--text-muted);
}
.icon-btn{
  width:40px;height:40px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:#fff;color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.icon-btn:hover{transform:translateY(-2px);border-color:var(--brand-500);box-shadow:var(--shadow-2)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-pill);
  font-size:14.5px;font-weight:600;letter-spacing:.01em;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--accent-lime);color:var(--ink-900);box-shadow:0 8px 20px -12px rgba(11,36,34,.45)}
.btn-primary:hover{background:#D9F763;transform:translateY(-2px);box-shadow:0 16px 30px -16px rgba(11,36,34,.55)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1)}
.btn-ghost{border:1px solid rgba(11,36,34,.18);color:var(--ink-900);background:transparent}
.btn-ghost:hover{border-color:var(--brand-700);color:var(--brand-700);background:#fff;transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-onDark{border-color:rgba(255,255,255,.28);color:#fff}
.btn-onDark:hover{border-color:var(--accent-lime);color:var(--accent-lime);background:rgba(255,255,255,.05)}
.btn-sm{height:38px;padding:0 16px;font-size:13.5px}
.btn-block{width:100%}

.hamburger{
  display:none;width:40px;height:40px;border-radius:12px;
  border:1px solid var(--line);background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.hamburger span{display:block;width:17px;height:2px;border-radius:2px;background:var(--ink-900);transition:transform .18s ease,opacity .18s ease}
.hamburger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.hamburger.is-open span:nth-child(2){opacity:0}
.hamburger.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.drawer-mask{
  position:fixed;inset:0;background:rgba(11,36,34,.42);z-index:58;
  opacity:0;pointer-events:none;transition:opacity .2s ease;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.mobile-drawer{
  position:fixed;left:0;right:0;top:0;z-index:60;
  background:var(--bg-cream);border-bottom:1px solid var(--line);
  padding:76px 20px 26px;border-radius:0 0 24px 24px;
  box-shadow:var(--shadow-3);
  transform:translateY(-102%);transition:transform .18s ease;
}
.mobile-drawer.is-open{transform:translateY(0)}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:18px}
.drawer-link{
  padding:12px 14px;border-radius:14px;font-size:15px;font-weight:600;color:var(--ink-900);
  border:1px solid transparent;transition:background-color .18s ease,border-color .18s ease,color .18s ease;
}
.drawer-link:hover{background:#fff;border-color:var(--line)}
.drawer-link.is-active{background:#fff;border-color:var(--line);color:var(--brand-700)}
.cmd-search--drawer{width:100%;margin-bottom:14px}

/* ============ 页头 ============ */
.page-head{
  position:relative;overflow:hidden;
  padding:54px 0 50px;
  border-bottom:1px solid var(--line);
  background-image:linear-gradient(180deg,rgba(246,244,238,.93),rgba(246,244,238,.97)),url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
}
.page-head::after{
  content:"";position:absolute;right:-90px;top:-70px;width:340px;height:340px;border-radius:50%;
  border:1px solid rgba(30,147,130,.18);box-shadow:0 0 0 34px rgba(30,147,130,.07),0 0 0 68px rgba(30,147,130,.045);
  pointer-events:none;
}
.page-head::before{
  content:"";position:absolute;left:0;bottom:-60px;width:280px;height:180px;
  background:linear-gradient(120deg,rgba(203,239,74,.35),rgba(203,239,74,0));
  transform:skewX(-14deg);pointer-events:none;
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-muted);margin-bottom:18px;flex-wrap:wrap}
.breadcrumb a{color:var(--text-muted);transition:color .18s ease,border-color .18s ease;border-bottom:1px solid transparent}
.breadcrumb a:hover{color:var(--brand-700);border-bottom-color:var(--brand-700)}
.breadcrumb .sep{opacity:.55}
.page-head h1{
  font-size:clamp(28px,4vw,46px);font-weight:800;line-height:1.18;letter-spacing:-.02em;
  max-width:760px;position:relative;z-index:1;
}
.page-lead{max-width:720px;margin-top:16px;font-size:16px;line-height:1.85;color:var(--text-body);position:relative;z-index:1}
.page-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;position:relative;z-index:1}
.stat-chip{
  display:inline-flex;align-items:baseline;gap:6px;
  padding:8px 14px;border-radius:var(--radius-pill);
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-1);
  font-size:13px;color:var(--text-muted);
}
.stat-chip b{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:15px;color:var(--brand-700);font-weight:700}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;position:relative;z-index:1}
.tag-pill{
  display:inline-flex;align-items:center;padding:6px 13px;border-radius:var(--radius-pill);
  background:rgba(30,147,130,.1);color:var(--brand-700);font-size:12.5px;font-weight:600;
}

/* ============ 区块标题 ============ */
.section-head{max-width:760px;margin-bottom:40px}
.eyebrow{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.14em;color:var(--brand-500);margin-bottom:12px}
.section-title{display:flex;align-items:center;gap:12px;font-size:clamp(22px,3vw,34px);font-weight:750}
.section-title::before{content:"";width:4px;height:20px;border-radius:2px;background:var(--accent-lime);flex:0 0 auto}
.section-lead{margin-top:14px;font-size:15.5px;line-height:1.8;color:var(--text-muted);max-width:720px}

/* ============ 对比段 ============ */
.compare-wrap{display:grid;grid-template-columns:1fr 2px 1fr;align-items:stretch}
.compare-divider{
  position:relative;background:repeating-linear-gradient(180deg,var(--accent-lime) 0 8px,transparent 8px 16px);
  border-radius:2px;
}
.compare-divider span{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:14px;height:14px;border-radius:50%;background:var(--bg-cream);border:2px solid var(--accent-lime);
}
.compare-card{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:30px 28px;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.compare-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.compare-card--plain{margin-right:34px}
.compare-card--good{margin-left:34px;border-color:rgba(30,147,130,.32);background:linear-gradient(180deg,#fff,#F3FAF7)}
.compare-badge{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;
  padding:5px 12px;border-radius:var(--radius-pill);margin-bottom:16px;
}
.compare-card--plain .compare-badge{background:rgba(255,106,77,.12);color:#C9432A}
.compare-card--good .compare-badge{background:rgba(203,239,74,.5);color:var(--ink-900)}
.compare-card h3{font-size:20px;font-weight:700;margin-bottom:10px}
.compare-card p{font-size:15px;line-height:1.8;color:var(--text-body)}
.dot-list{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.dot-list li{position:relative;padding-left:20px;font-size:14.5px;color:var(--text-body)}
.dot-list li::before{
  content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;border-radius:50%;
  background:var(--brand-500);
}
.compare-card--plain .dot-list li::before{background:#C4C0B4}

/* ============ 图文交替 ============ */
.alt-row{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:48px;align-items:center;padding:36px 0;border-top:1px solid var(--line);
}
.alt-row:first-of-type{border-top:0;padding-top:0}
.alt-row--reverse .alt-media{order:2}
.alt-media{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-2);
  background:var(--ink-900);aspect-ratio:4/3;
}
.alt-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.alt-media:hover img{transform:scale(1.03)}
.alt-media .media-badge{
  position:absolute;left:14px;top:14px;padding:5px 12px;border-radius:var(--radius-pill);
  background:rgba(11,36,34,.72);color:var(--accent-lime);font-size:12px;font-weight:700;
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.alt-body h3{font-size:clamp(19px,2.2vw,24px);font-weight:750;margin-bottom:12px}
.alt-body p{font-size:15.5px;line-height:1.85;max-width:720px}
.alt-body .mini-list{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px}
.mini-list li{
  font-size:12.5px;color:var(--brand-700);background:rgba(30,147,130,.09);
  padding:5px 12px;border-radius:var(--radius-pill);font-weight:600;
}

/* ============ 更新节奏时间线 ============ */
.rhythm-list{border-top:1px solid var(--line)}
.rhythm-row{
  display:grid;grid-template-columns:132px minmax(0,1fr);gap:28px;
  padding:24px 0;border-bottom:1px solid var(--line);align-items:flex-start;
  transition:background-color .18s ease;
}
.rhythm-row:hover{background:rgba(255,255,255,.6)}
.rhythm-time{
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-size:13px;font-weight:700;color:var(--brand-700);
  display:inline-flex;align-items:center;gap:8px;
}
.rhythm-time::before{content:"";width:10px;height:10px;border-radius:50%;background:var(--accent-lime);box-shadow:0 0 0 4px rgba(203,239,74,.28)}
.rhythm-body h3{font-size:17px;font-weight:700;margin-bottom:6px}
.rhythm-body p{font-size:14.5px;line-height:1.8;color:var(--text-muted);max-width:680px}

/* ============ 常见疑问 ============ */
.qa-list{border-top:1px solid var(--line);max-width:960px}
.qa-item{padding:24px 0;border-bottom:1px solid var(--line)}
.qa-q{display:flex;gap:12px;align-items:flex-start;font-size:16.5px;font-weight:700;color:var(--ink-900)}
.qa-index{
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-size:12.5px;font-weight:700;color:var(--ink-900);
  background:var(--accent-lime);border-radius:6px;padding:3px 7px;line-height:1.4;flex:0 0 auto;margin-top:2px;
}
.qa-a{margin-top:10px;padding-left:44px;font-size:15px;line-height:1.85;color:var(--text-muted);max-width:720px}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--ink-900);border-radius:var(--radius-xl);
  padding:44px 42px;border:1px solid rgba(203,239,74,.25);
  display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:32px;align-items:center;
  box-shadow:var(--shadow-3);
}
.cta-band::after{
  content:"";position:absolute;right:-70px;bottom:-90px;width:280px;height:280px;border-radius:50%;
  border:1px solid rgba(203,239,74,.22);box-shadow:0 0 0 28px rgba(203,239,74,.06);
  pointer-events:none;
}
.cta-band h2{color:#fff;font-size:clamp(21px,2.6vw,28px);font-weight:750;line-height:1.3}
.cta-band p{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.72);max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;position:relative;z-index:1}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);margin-top:var(--gap-section);padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.brand--footer{margin-bottom:14px}
.brand--footer .brand-text{color:#fff}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:320px}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .18s ease}
.footer-col a:hover{color:var(--accent-lime)}
.footer-plain li{font-size:14px;color:rgba(255,255,255,.66)}
.footer-bottom{
  margin-top:44px;padding:20px 0;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.7);border-bottom:1px solid transparent;transition:color .18s ease,border-color .18s ease}
.footer-bottom a:hover{color:var(--accent-lime);border-bottom-color:var(--accent-lime)}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  :root{--gap-section:64px}
  .nav-desktop{display:none}
  .cmd-search:not(.cmd-search--drawer){display:none}
  .hamburger{display:flex}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .compare-wrap{grid-template-columns:1fr}
  .compare-divider{height:2px;background:repeating-linear-gradient(90deg,var(--accent-lime) 0 8px,transparent 8px 16px);margin:22px 0}
  .compare-divider span{top:50%;left:50%}
  .compare-card--plain{margin-right:0}
  .compare-card--good{margin-left:0}
  .alt-row{gap:32px}
  .cta-band{grid-template-columns:1fr;padding:36px 28px}
  .cta-actions{justify-content:flex-start}
}
@media (max-width:767px){
  .icon-btn{display:none}
  .header-right .btn-sm{display:none}
  .alt-row{grid-template-columns:1fr;padding:28px 0}
  .alt-row--reverse .alt-media{order:0}
  .rhythm-row{grid-template-columns:1fr;gap:8px}
  .qa-a{padding-left:0}
}
@media (max-width:640px){
  .site-container{padding:0 16px}
  :root{--gap-section:56px}
  .header-inner{height:56px}
  .brand-text{font-size:15px}
  .page-head{padding:40px 0 38px}
  .page-head::after{display:none}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .btn{width:100%}
  .btn-sm{width:auto}
  .compare-card{padding:24px 20px}
  .cta-band{padding:30px 22px}
}